EP1686314A2 - Device for connecting a luminaire to a fixed surface - Google Patents

Abstract

A device (10) to attach a light (13) to a fixed surface, especially to a conductor rail adapter (11), comprises a system in which the light can swivel about two axes (S1,S2) and be locked by two locks (21a,35a). The device comprises a single operating unit (27) that can control both locks in common.

Description

The invention relates to a device for fixing a lamp to a fixed space surface, in particular to a busbar adapter, wherein the lamp is pivotable about a first and about a second spatial axis relative to the fixed space surface and wherein a first and a second locking means is provided for Schwenkarretierung.

Such a known from EP 0 567 739 B1 of the Applicant device makes it possible to attach the lamp to a fixed space, for example to a busbar adapter, adjustable in rotation and to lock in a desired rotational position. The busbar adapter is held in a busbar which is attached to a building surface, e.g. on a ceiling wall, is attached.

The known device has, according to FIG. 2 of EP 0 567 739 B1, a substantially L-shaped holder with two rotary adjusting devices A and B, with which the lamp can be pivoted about a vertical spatial axis y and about a horizontal spatial axis x. Each of the two Drehverstellvorrichtungen A and B can be schwenkarretieren with a locking means to secure the set position of the lamp permanently. .

For this purpose, in the first rotary adjusting device A, the holder is rotatably connected via a hub element with a middle part fastened to the busbar adapter. The hub member is provided via spoke-like struts with a coaxial with the hub arranged annular disc. On its underside, the annular disc has a toothing, which cooperates with a pinion which is rotatably mounted on a bolt. The bolt passes through a hole in one of the bracket attached console. The pinion runs with a relative movement between the bracket and busbar adapter with no resistance. It can be but by means of a knurled nut, which exerts a tensile force on the bearing pin, set against the console. In this way, a pivot lock of the rotary adjustment device A is effected.

The second Drehverstellvorrichtung B works in principle as the just described Drehverstellvorrichtung A, wherein the toothing is arranged in a segmental arc of the holder and the pinion on an arm attached to the lamp.

The device described above has proven itself extensively.

Based on this prior art, the object of the invention is to develop the known device such that their handling is facilitated.

The invention solves this problem with the features of claim 1, in particular with those of the characterizing part and is accordingly characterized in that the device is associated with an actuating element with which both locking means are jointly addressed.

The principle of the invention consists essentially in the fact that the lamp pivotable about two spatial axes can be locked in the set position after adjustment or alignment with the aid of only one actuating element. The adjustment of the device according to the invention is thus particularly time-saving, because only one actuator must be operated. This is particularly important when many lights are to be adjusted, as is the case in a museum, for example. Here, the lights must be regularly re-adjusted for changing exhibitions with different exhibits.

The release and locking of the actuators to adjust the lights has been time consuming. With the device according to the invention, this work is faster and easier to carry out. Almost half the working time can be saved.

The device according to the invention is used to attach a lamp to a solid surface, for example on a wall or a ceiling of a building. The lamp can either be attached directly to the building surface or, for example, via a busbar adapter to be fixed to a busbar fixed side or a comparable carrier element.

The actuator may be formed of very simple mechanical elements, such as screws or levers. In particular, commercial, commercially available elements come into question. As a locking means are all components or component elements into consideration, which are suitable to produce a non-positive and / or positive locking, releasable connection and to ensure in this way a locking of the lamp in a set position.

According to one embodiment of the invention, at least one actuator is associated with the actuating element for the response of the locking means. Such an actuator may serve to bridge the distance between the actuator and the locking means. This has the advantage that the position of the locking means is freely selectable. They can be located away from the actuator.

It is advantageous if the actuator both locking means responds at the same time. This solution is constructive particularly advantageous and facilitates assembly and storage, since instead of two separate actuators only one actuator must be attached to the device.

Furthermore, it is possible that at least one locking means is arranged on the actuator, which reduces the cost of manufacturing, assembly and storage. Thus, the locking means can be made in one piece with the actuator, for example, cohesively.

Further preferably, both locking means are arranged on the actuator. This allows a particularly simple construction and construction.

At least one locking means can according to another embodiment of the invention non-positively and / or positively cooperate with a corresponding antidote. Is a pivoting of the lamp by means of Drehverstellvorrichtungen, e.g. by means of rotatable joints, possible, the locking means may be arranged on a hinge part and the counter-agent on the other relative to the movable joint part. The cooperation of the locking means and the antidote may allow locking of the joint.

If the locking is effected by a frictional connection, this has the advantage that only a small adjustment path between the locking means and the antidote is necessary for this. The frictional connection between a clamping surface assigned to the locking means and a counter-clamping surface associated with the antivessel can, on the one hand, serve to lock the pivoting position of the luminaire. On the other hand, a frictional force to provide a resistance can be achieved by the traction when not pivotally locked light, which allows self-locking of the lamp during the adjustment, so that in its pivoting position set light can at least temporarily retain their set position due to the frictional resistance. The operator who actuates the actuating element for pivotal locking of the lamp, for example, with one hand, therefore does not have to hold the lamp in its position with her other hand, but can work comfortably with one hand.

An alternative to the traction alternative possible positive connection between the locking means and the antidote has the advantage of a particularly secure locking, but may require a larger adjustment.

According to an advantageous embodiment of the invention, the antidote is fixed relative to the solid surface and / or arranged relative to the lamp. Further advantageously, a first antidote is fixed relative to the space-fixed surface (fixed in space) arranged and a second antidote fixed relative to the luminaire. In this way, the attachment of the first antidote to the space fixed surface, e.g. directly on a busbar adapter or on an associated bolt or the like, and an attachment of the second counter-agent takes place directly on the luminaire. This allows a simple construction and installation of the device, which can be connected via their antidote room side or light side.

The locking means and the corresponding antidote may be provided with mutually bracing surfaces. This embodiment of the invention makes it possible to design the device structurally simple and to ensure the pivot lock with a small number of components.

According to an advantageous embodiment of the invention, a clamping surface of a locking means is formed substantially concave curved. This offers the possibility of having the clamping surface associated counter-clamping surface may be formed substantially convex curved. With this embodiment of the invention, a clamping jaws or jaw-like design of the locking means is possible, with the particularly high clamping forces can be applied, which can permanently lock even heavy lights, eg very heavy spotlights in the selected pivot position. The curved surfaces form a pair of surfaces, which is preferably matched and matched to one another such that very large surface areas come to rest in the clamped state. This can be applied particularly large holding forces.

According to a further advantageous embodiment of the invention, a locking means with a clamping surface is associated with a light-side counter-agent with a counter-clamping surface, wherein the clamping surface overlaps or spans the counter-clamping surface. In this embodiment of the invention, the inner of the two mutually to be clamped surfaces of the surface pair is a preferably convexly curved counter-clamping surface, which is overlapped by the preferably correspondingly concave curved clamping means-side clamping surface. With this arrangement, particularly large holding forces can be achieved.

According to a further advantageous embodiment of the invention, the light-side counter-clamping surface is engaged behind by an actuator-side plug-extension. The extension is arranged for example in a foot region of the actuator, which, as will be explained later, may be formed by a housing shell. For mounting the two housing shells together, the plug-in projection with a free end, on which the extension is, advance, be inserted between the other housing shell and the light-side counter-clamping surface, so that subsequently a pivoting of the actuator can be performed. If now a contact surface described later displaced, is the actuator held captive on the other housing shell. In order for a manageable unit is achieved, which is composed of the actuator and the other housing shell, and the total is fastened to the lamp.

Advantageously, the clamping surface engages over the counter-clamping surface over an angular range of several 10 °. However, the optimum angle range depends on the curvature of the clamping surface and the counter-clamping surface. Also, manufacturing tolerances play a role that can be controlled particularly well due to the curved clamping surface and the counter-clamping surface. It is important in this context that not only a point-like or line-like contact between clamping surface and counter-clamping surface occurs, but as large as possible to transfer large clamping forces can.

According to a further advantageous embodiment of the invention, a light-side counter-agent on a bearing eye for the second spatial axis (pivot axis). This allows a particularly simple construction such that the luminaire-side antidote, that is, in the terminology of the present application, the second antidote, on the bearing eye on the second housing shell can be fastened. The actuator, e.g. the first housing shell, after insertion of the plug-in extension in the space between the counter-clamping surface and the second housing shell relative to the second housing shell are clamped such that the two housing shells are mounted to each other after bracing and the preassembled unit via mounting lugs, preferably also located on the light-side antidote, is connected to the lamp.

According to a further advantageous embodiment of the invention, the device has a diaphragm for covering a on the luminaire-side antidote. This allows an optically advantageous view of the detection means and the corresponding antidote and protection against dirt.

According to a further advantageous embodiment of the invention, a locking means is arranged in a head region of the actuator, which cooperates with a fixed relative to the space-fixed surface arranged antidote. The fixedly arranged relative to the space-fixed surface antidote is hereinafter referred to as room-side antidote and differs from the light-side antidote to be attached to the lamp.

According to a further advantageous embodiment of the invention, the room-side antidote, in particular in the form of an annular body, is arranged between two clamping jaws. A first clamping jaw may be formed by the first locking means, in particular on the actuator, and a second clamping jaw may be formed by the second housing shell. Thus, the room-side antidote between two jaws can be clamped and can be locked in this way very safe because large clamping forces can be exerted by the two jaws.

According to a further embodiment of the invention, the actuating element cooperates with a thrust element arrangement. With the help of the thrust element arrangement, a movement of the actuating element can be transmitted to the actuator, for example.

To respond to at least one locking means of the thrust element assembly according to another embodiment of the invention may be associated with at least one contact surface. With the help of the contact surface can be actuated in a simple manner, an actuator which is in communication with the contact surface.

The contact surface may cooperate with a counter contact surface arranged on the actuator. The interaction of the contact surface and the mating contact surface advantageously makes it possible to transfer the movement transmitted by the push element arrangement to the actuator in the desired manner by forming the contact surfaces.

According to an advantageous embodiment of the invention, the actuator speaks directly to a provided with the contact surface component and moves it. This allows a particularly simple design and the application of high actuation forces on the contact surface. Accordingly, the contact surface on the mating contact surface can also transmit large forces. This makes it possible that over the actuator large forces are exerted to lock the locking means.

A further embodiment of the invention provides that the actuating element acts on a first component of the thrust element arrangement, which responds by interposition of a spring element provided with the contact surface second component. The spring allows the application of a variable locking force, which is also precisely adjustable.

According to a further embodiment of the invention, the contact surface and the mating contact surface of wedge surfaces are formed, which deflect an axial movement of the second component soft like a movement of the actuator with two different directional components. This embodiment allows in a structurally simple form to address both locking means at the same time.

The contact surface can be between a rest position in which the lamp is pivotable about both spatial axes, and a working position in which locks the lamp to the spatial axes is, be relocatable. Between these extreme positions of the contact surface, there are other positions of the contact surface in which the lamp is pivotable against a more or less large resistance around the spatial axes.

According to a further embodiment of the invention, two housing shells are provided, between which in the mounted state, a movement play exists. One of the two housing shells can thus take over the function of the actuator, for which otherwise a separate component would be necessary.

Thus, according to one embodiment of the invention, the actuator may be formed by a housing shell, which allows a simple construction and reduces the number of components.

According to a further advantageous embodiment of the invention, the contact surface is designed as a holding surface for holding together the housing shells. The two housing shells od not in this way by screws, rivets. Like. Fasteners be connected to each other, whereby the assembly is facilitated.

A further embodiment of the invention provides that the actuating element is formed by a threaded screw. This allows the use of commercially available parts for the actuator.

The threaded screw can cooperate with an internal thread in the component having the contact surface or in the first component of the push element arrangement. With this simple arrangement, it is possible to achieve a linear displacement of the thrust element with a simple construction.

Fig. 1

in schematischer, teilgeschnittener Ansicht ein Ausführungsbeispiel der erfindungsgemäßen Vorrichtung mit einem Stromschienen-Adapter und einem Strahler,

Fig. 2

eine teilgeschnittene Ansicht der Vorrichtung gemäß der Schnittlinie II-II in Fig. 1,

Fig.3

eine teilgeschnittene Ansicht der Vorrichtung gemäß der Schnittlinie III-III in Fig. 1

Fig. 4

eine teilgeschnittene Ansicht eines Kopfbereiches der Vorrichtung gemäß der Schnittlinie IV-IV in Fig. 1,

Fig. 5

eine teilgeschnittene Ansicht eines Fußbereiches der Vorrichtung gemäß Schnittlinie V-V in Fig. 1,

Fig. 6

in einer Gesamtdarstellung ähnlich der Fig. 1 ein zweites Ausführungsbeispiel der erfindungsgemäßen Vorrichtung mit einem in Ansicht dargestellten Stromschienen-Adapter und einem in Ansicht dargestellten Strahler,

Fig. 7

das Ausführungsbeispiel der Fig. 6 in einer Ansicht gemäß Ansichtspfeil VII in Fig. 6,

Fig. 8

die Vorrichtung in Draufsicht gemäß Ansichtspfeil VIII in Fig. 7,

Fig. 9

einen Schnitt durch die Vorrichtung gemäß der Schnittlinie IX-IX in Fig. 6, und

Fig. 10

einen Längsschnitt durch die Vorrichtung und durch einen Teilbereich des Strahlers gemäß Schnittlinie X-X in Fig. 8.

Further advantages will be apparent from the non-cited subclaims and from the following description of an embodiment shown in the drawings. Show it:

Fig. 1

in a schematic, partially sectioned view of an embodiment of the device according to the invention with a busbar adapter and a radiator,

Fig. 2

2 is a partial sectional view of the device according to the section line II-II in Fig. 1,

Figure 3

a partially sectioned view of the device according to the section line III-III in Fig. 1st

Fig. 4

1 is a partially sectioned view of a head region of the device according to the section line IV-IV in FIG.

Fig. 5

1 is a partially sectioned view of a foot region of the device according to section line VV in FIG. 1,

Fig. 6

1 shows a second embodiment of the device according to the invention with a busbar adapter shown in view and a radiator shown in view, in an overall view similar to FIG. 1,

Fig. 7

6 in a view according to the arrow VII in Fig. 6,

Fig. 8

the device in plan view according to arrow VIII in Fig. 7,

Fig. 9

a section through the device according to the section line IX-IX in Fig. 6, and

Fig. 10

a longitudinal section through the device and through a portion of the radiator according to section line XX in Fig. 8.

A device for fixing a luminaire 13 is designated in the figures as a whole by the reference numeral 10. In the following description of the figures, the same reference numerals are used for the sake of clarity, provided identical or comparable parts or elements similar in their function are described. This applies to a better overview also in the different embodiments.

It has a first Drehverstellvorrichtung A in the head portion 41 of the device 10 and a second Drehverstellinrichtung B in the foot portion 42 of the device 10, with which the Luminaire 13 about the mutually perpendicular axes S ₁ and S ₂ , which are referred to as spatial axes, is rotationally adjustable. It should be noted that the first pivot axis S _{1 is} fixed in space and the second pivot axis S ₂ with the lamp 13 about the first pivot axis S _{1 is} pivotable. With the help of the busbar adapter 11, the device 10 can be supported in a bus bar, not shown, which supplies the lamp 13 with an operating voltage.

The device 10 has a first housing shell 14 and a second housing shell 15, which are formed substantially L-shaped. 2 and 3, the housing shells 14 and 15 each have a substantially U-shaped cross section and are arranged facing each other with their open sides, wherein the inner housing shell 15 engages in the outer housing shell 14. Between the housing shells 14, 15 is formed in this way from the head portion 41 to the foot portion 42 of the device 10 continuous cavity H, through which not shown Power supply lines (eg 220 V) can be passed to supply the lamp 13.

To form the first rotary adjusting device A, a ring web 16 is fixedly arranged on the housing shell 14 in the head region 41, the opening 18 of which is penetrated by a hollow threaded bolt 17, which is fixedly connected to the busbar adapter 11. In this way, the housing shell 14 is rotatably supported on the threaded bolt 17 about the stationary axis S ₁ . The threaded bolt 17 is locked to the annular web 16 by means of a ring 22 which is screwed onto the threaded bolt 17 and secured by a grub screw M, for example (see FIG. 4) against rotation.

The housing shell 15 has ribs 21a and 21b in a region close to the annular rib 16, which ribs can cooperate with the outer peripheral surface 23 of the ring 22 and in this way enable locking of the pivoting movement about the axis S ₁ , as described in detail below.

5 shows the sake of clarity, only one half of the plane K mirror-symmetrical second Drehverstellvorrichtung B. The outer housing shell 14 is provided in this the lamp body 13 near the foot area 42 with aligned holes 37a and 37b. On flanges 26a and 26b of the lamp body 13 pins 38a, 38b are fixed, which engage in the bores 37a, 37b and hold the lamp body 13 in this way about an axis S ₂ pivotally mounted on the outer housing shell 14. The axis S ₂ corresponds substantially to the longitudinal center axis of the pins 38 a, 38 b. Of the pins 38a, 38b is shown in Fig. 5 only the rear in the direction of FIG. 3 pin 38a and of the holes 37a, 37b only the corresponding bore 37a shown.

The inner housing shell 15 has at its end directed towards the lamp 13 towards clamping elements 35 a, which are used as cylinder segments are formed and provided with convex cylindrical outer surfaces 24a. These act with concave cylindrical surfaces 25a of the flanges 26a, 26b frictionally together for Schwenkarretierung.

In a head region 41 of the device 10, which is close to the busbar adapter 11, a thrust element arrangement E is arranged in the hollow space H between the housing shells 14 and 15. By means of a threaded screw 27, whose external thread engages in an internal thread 29 of a pusher member 30, the latter can be moved in the x-direction. The threaded screw 27 is supported with its head in a blind recess in the shell part 14. The movement of the thrust member 30 causes indirectly via a spring 31, the movement of a flying, so loose, mounted on the threaded screw 27 wedge element 32, the contact surface 33 cooperates with a arranged on a projection 39 of the housing shell 15 mating contact surface 34. The contact surface 33 and the mating contact surface 34 are e.g. arranged at a 30 ° angle to the direction of movement x of the wedge element 32. The force acting in the x direction spring force is therefore deflected in force acting in the x and y direction force components. The thrust member 30 and the wedge member 32 are guided by a bar 36 shown in FIG. 2 and a side wall 19 a of the housing shell 15.

The pressure spring 31 arranged between the thrust element 30 and the wedge element 32 causes a greater spring force to be transmitted from the spring 31 to the wedge element 32 with increasing displacement of the thrust component 30 in the direction x as a result of actuation of the threaded screw 27. The contact surface 33 thus biases the housing shell 15 with increasing force against the housing shell 14. The locking force can thus be adjusted variably and accurately.

In largely relaxed state of the compression spring 31, the thrust element 30 is in a position in which it rests against a stop 40 of the housing shell 15. Of the spring 31 at most only a small force on the wedge member 32 and thus exerted on the housing shell 14. The housing shells 14, 15, which together form a kind of support arm 12 for the lamp 13, are pivotable relative to the busbar adapter 11 about the pivot axis S ₁ against a slight resistance together. As a result of a rotational movement of the support arm 12 relative to the fixed-position threaded bolt 17, the ribs 21a, 21b (FIG. 4) move along the outer peripheral surface 23 of the annular body 22. Since the compression spring element 31 is only slightly tensioned, only a small force is exerted on the housing shell element 15 in the x direction, so that the ribs 21a, 21b are tensioned against the outer circumferential surface 23 of the ring 22 only with a small force. The pivotal movement of the support arm 12 about the pivot axis S ₁ can therefore be done by overcoming this low friction resistance to the alignment of the radiator 13 about the pivot axis S ₁ .

Similarly, the radiator 13 is pivotable relative to the support arm 12 about the pivot axis S ₂ against a slight resistance. As a result of a rotational movement of the radiator 13 about the pivot axis S ₂ relative to the support arm 12, the bearing surface 25a associated with the flange 26a slides along the corresponding cylindrical outer surface 24a of the housing shell 14. Likewise, it must be mentioned that via the only slightly compressed compression spring element 31 and over the Wedge element 32 only a small force in the y-direction on the housing shell 15 is exercised. Since the radiator 13 is fixedly connected to the outer shell 14 via the pins 38a, 38b, and since the surfaces 25a and 24a are moved toward each other when the housing shell 15 is displaced in the y direction, the clamping is only present when the spring element 31 is slightly tensioned the surfaces 24a and 25a only relatively small. The However clamping force can be selected or set so high that a set pivot position of the radiator 13 is maintained about the pivot axis S ₂ due to the static friction.

An actuation of the threaded screw 27 after alignment of the radiator 13 about the axes S ₁ and S ₂ now causes the pusher member 30 is moved in the x direction whereby the spring force of the spring 31 increases. The wedge member 32 is urged by the spring 31 with the spring force in the x direction. The force acting in the x-direction is transmitted to the contact surface 34 and soft-divided in the x and y directions, so that the housing shell 15 moves relative to the housing shell 14 slightly in both the x and y direction. By side walls 20a and 20b of the housing shell 14 surround side walls 19a and 19b of the housing shell 15 (see Fig. 2 and Fig. 3), the housing shell is guided during this movement. The housing shell 14 thus forms a lateral guide for the housing shell 15th

The force acting in the x-direction causes the end faces 28a and 28b (FIG. 4) of the ribs 21a, 21b to be pressed against the outer surface 23 of the ring element 22, thus achieving a pivotal locking by clamping. By the movement of the housing shell 15 in the y-direction, the cylindrical surfaces 24a, 24b of the housing shell 15 against the surfaces 25a, 25b of the flanges 26a, 26b pressed, whereby a pivotal locking of the lamp 13 about the axis S _{2 is} achieved.

By screwing in the threaded screw 27, therefore, the rotating devices A and B can be locked simultaneously. A release of the pivot lock of the two axes S ₁ and S ₂ is possible in a simple manner by unscrewing the threaded screw 27, whereby the spring force is lower. As a result, the housing shell has the opportunity to move to a position in which both Rotary adjustment A and B solved, that is not locked, are.

The embodiment shown in the drawings provides for the attachment of the lamp 13 via the device 10 to a busbar adapter 11, which thus, as a result of its attachment to the building-proof busbar, the space-solid surface in the sense of claim 1. Equally, however, embodiments of devices are also conceivable in which the lamp 13 can be fixed by means of the device 10 directly to a space-fixed surface.

In the embodiment, through the cavity H of the device 10 also a number of power supply lines are guided. The device 10 according to the embodiment thus serves both the mechanical support of the lamp 13 on the solid surface and the guidance of electrical leads for the lamp 13th

In an embodiment of the invention, not shown, it is possible that the device 10 only serves for the mechanical attachment of the lamp to the space-fixed surface.

Furthermore, it should be noted that in the embodiment shown in the figures, the respective surface pair of clamping surface and counter-clamping surface, ie the pair of surfaces 28a, 23 of the rotary adjustment device A and the surface pair of surfaces 25a and 24a of the rotary adjustment B, as a pure clamping or clamping surfaces is trained. Alternatively, in the region of these clamping surfaces in a non-illustrated embodiment of the invention, a toothing od. Like. Be provided, which can lead to a positive connection between these surfaces.

Finally, in the area of the clamping surfaces, a friction-increasing element, for example a plastic element or a plastic covering, may also be arranged. However, such a friction-enhancing element is not required in every case.

In the following, the second embodiment will now be described with reference to FIGS 6 to 10. There are only highlighted the differences compared to the first embodiment of Figures 1 to 5, otherwise it is assumed that between the two embodiments with respect to individual elements or parts functional equality, unless otherwise stated.

The second embodiment comprises an equally consisting of two housing shell parts 14, 15 each substantially L-shaped basic shape (Fig. 10) existing device 10, with its head-side end 41 of a connection to a busbar adapter 11 or other solid surface and with their foot-side end 42 of the connection to a designed as a spotlight lamp 13 is used. The views of Figures 6 to 8 can be seen that in substantially vertical alignment of the radiator 13 of FIG. 6, the substantially vertical leg of the housing shells 14 and 15 is aligned with the longitudinal side of the radiator 13. Starting from a situation according to FIG. 6, the radiator 13 can be pivoted in the counterclockwise direction about the device-fixed pivot axis S ₂ , which is also referred to as the spatial axis. The pivot angle of the radiator 13 relative to the device 10 may be for example 90 ° and limited by stops, not shown.

As can best be seen from FIG. 10, the housing shell part 15 is in turn designed as an actuator and has a mating contact surface 34, which can be addressed by a contact surface 33 of a component 32. The component 32 is now arranged directly on the trained as a threaded screw 27 actuator, so that the spring of the first embodiment is omitted. This allows particularly large forces to be exerted on the wedge surface pair 33, 34.

As a result of a displacement of the component 32 in the x direction and the head portion 41 of the housing part 15 is displaced in the x direction. As can best be seen from FIGS. 9 and 10, a change has been made with respect to the first exemplary embodiment in such a way that a ring body 22 is fastened to the bolt 17, which is connected to the busbar adapter 11 both, in the head portion 41 is formed substantially clamping jaw-like housing parts 14 and 15. The housing shell 15 has as a locking means on a concave clamping surface 43, which cooperates with the outer peripheral surface of the ring 22 acting as a counter-clamping surface 23. At the opposite end of the annular body 22 contacted with its outer peripheral surface 44 which acts as an abutment surface, a bearing surface 45 of the housing shell 14, which provides, so to speak, the second jaw.

As a result of an actuation of the threaded screw 27 is thus due to a displacement of the housing shell 15 relative to the housing shell 14 of the annular body 22 clamped on both sides between the two housing shells 14, 15. This can be exercised over the first embodiment, higher holding forces. A particular advantage is that the outer peripheral surface 23, 44 of the annular body 20 is matched to the inner peripheral surfaces 43, 45 of the two clamping jaws. This allows a particularly secure clamping can be achieved.

The foot region 42 of the device 10 is likewise designed differently compared with the first embodiment of FIGS. 1 to 5. The foot region 42 of the housing shell 15 has a plug projection 51 on, which is designed in the manner of a projection. The extension 51 can be inserted into a gap Z between a later explained counter-agent 46 and the housing shell 14. With reference to FIG. 10, on the left side of the extension 51, the clamping surface 52 adjoins, which is essentially concave and which extends approximately over an angular range of approximately 60 °. The angular range can also be between 20 ° and 80 °, for example. On the left side of the clamping surface 52 is followed by a diaphragm section 50, which prevents an insight into the locking means 51 and the antidote 46 with respect to FIG. 6 swiveled radiator 13.

The over a angular range of about 100 ° along a circular arc extending foot portion 42 of the housing shell 15 rests on an antidote 46, which is formed in the manner of a bearing shell, which forms a counter-clamping surface 53 on its outer peripheral side. The counter-agent 46 has a bearing eye 48, in which a pivot axis element 49 is received. The pivot axis member 49 is fixed with its two axial ends directly to the first housing shell 14 in a manner not shown.

10, only indicated mounting lugs 47 which protrude in both directions from the plane of the paper and the connection of the antidote 46, for example by screws, in Fig. 10 at the left, lower end of the counter-agent 46. serve with the radiator 13.

It should be noted; that not the entire concave inside of the foot portion 42 of the housing shell 15 acts as a clamping surface, but only over a range of, for example, 40 ° or 60 ° extending portion which forms the actual clamping surface 52. The clamping surface 52 and the counter-side counter-clamping surface 53 are on a large area on each other and allow the achievement of large holding forces. Thus, heavy spotlights can be permanently locked in the set pivot position.

If the component 32 is moved in the x direction by actuation of the actuating element 27, a displacement of the foot part 42 of the actuator 15 takes place in the y direction as a result of the wedge surfaces 33, 34. In this case, the clamping surface 52 is clamped on the counter-clamping surface 53, so that there is a jamming. The counter-agent 46 is supported on the fixedly arranged on the first housing shell 14 pivot axis 49, so that in the foot region 42, a clamping of the housing shell 15 is achieved relative to the housing shell 14.

It should be noted that the structure of the housing shell parts 14 and 15 of the second embodiment is comparable to that of the first embodiment. It is advantageous if on the housing shells 14, 15, not shown stiffening ribs or stiffening struts are arranged, which extend within the cavity H of the two housing shell parts 14, 15.

A particular advantage of this embodiment is that the unit formed from the two housing shell parts 14, 15 and the counter-agent 46 is preassembled and is manageable. An attachment of the preassembled structural unit by means of two screws 56, of which only one is shown in FIG. 10, can take place on the radiator 13 via the attachment lugs 47. The attachment lugs 27 of the counter-agent 46 provide access openings for the screws 56 ready. This facilitates the assembly and handling of the components to be assembled.

For the sake of clarity only, it should be noted that the attachment lugs 47 and the attachment means 56 are not visible in FIG. 8, but only their position is indicated there. The screws 57a and 57b visible in FIG. 8 serve for fastening an upper part 58 of the radiator 13 to a lower part 59 of the radiator 13.

The crucial difference between the Drehverstellvorrichtung B of the second embodiment and the Drehverstellvorrichtung B of the first embodiment is that the inner and outer bearing shell are reversed. In the second embodiment, the outer bearing shell is associated with the actuator, whereby greater holding forces can be exercised. It is essential that the clamping surface overlaps the counter-clamping surface.

As apparent from the foregoing description, in the second embodiment, assembly of the apparatus 10 is possible as follows:

On the housing shell 14, the later still luminaire side to be attached antidote 46 is already set. The housing shell 14 can now, obliquely inclined, be moved toward the housing shell 14 to this, the plug 51 is inserted into the space Z between the counter-clamping surface 53 and the housing shell 14. Subsequently, the housing shell 15 can be pivoted in a clockwise direction relative to the housing shell 14 such that the two housing shells 14 abut each other. The mating contact surface 34 could thereby reach behind the contact surface 33 as a result of the pivoting movement in the x-direction. If now the threaded screw 27 is actuated and the component 32 is moved in the x-direction, the contact surface 33 comes into contact with the mating contact surface 34. Thus, the housing shell 15 is at two points, namely in the region of the contact surface and the mating contact surface 33/34 and held in the region of the clamping surface 52 and the counter-clamping surface 53 on the housing shell 14. This is a captive arrangement of the housing shell parts 14, 15 made. The Housing shell 15 can still be displaced relative to the housing shell 14 in this pre-assembled state with movement play. For this purpose, the threaded screw 27 only needs to be operated. This happens primarily but only when the radiator 13 is connected to the device 10.

A release of the actuating element 27 by rotation in the opposite direction can cancel a pivot lock of the radiator 13 about the two spatial axes S ₁ and S ₂ in the manner described above. In this case, guided in a slide track member 32 moves upon rotation of the actuating element 27 about its longitudinal axis with respect to FIG. 10 to the left, so that the wedge surfaces 33 and 34 move away from each other. The Drehverstellvorrichtungen A and B are solved.

10 indicates that when the device 10 is released by rotating the actuating element 27, a stop element prevents the threaded screw 27 from rotating out of the device 10 in the x-direction. If the device 10 has been previously clamped with particularly large actuation forces, the two wedge surfaces 33 and 34 may be with each other with very large self-holding or braking forces. If now the actuator 27 are released, the component 32 may remain in place relative to the housing shell 15 and unintentionally the threaded rod 27 with respect to FIG. 10 to the right, so in the x direction from the device 10 unscrew. This prevents as a stop element, a lock nut 54, which can strike with its with respect to FIG. 10 right Ringstimseite on the inside 55 of the housing shell 14.

After the threaded rod 27 is inserted in the assembly of the device 10 through the housing shell 14, the lock nut 54 from the left with respect to FIG. 10 ago be screwed and then takes a fixed axial position on the threaded rod 27 a. The nut 54 then turns always with the threaded screw 27 and prevented by striking the inside 55 of the housing shell 14, a turning out of the actuating element 27 of the device 10th

Advantageously, the lock nut 54 is set at a distance of, for example, about 0.5 mm to the inside 55, so that the actuator 27 can be operated easily due to the movement play.

As an alternative to the above-described assembly of the device 10 to a manageable unit can also be provided that first the housing shell 14 is attached to the antidote 46 to the radiator 13. Subsequently, electrical leads can be inserted into the cavity H of the housing shell 14 and connected to the radiator 13. Only last, the housing shell 15 can be fixed to the housing shell 14, wherein the aforementioned pivoting operation of the housing shell 15 relative to the housing shell 14 after insertion of the extension 51 in the intermediate space Z is equally accomplished.

Claims (38)

Device (10) for fixing a lamp (13) on a fixed space surface, in particular on a busbar adapter (11), wherein the lamp is pivotable about a first and about a second spatial axis (S ₁ , S ₂ ) relative to the fixed space surface and wherein a first and a second locking means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52) is provided for pivotal locking, characterized in that the device (10) is associated with an actuating element (27), with the two locking means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52) are jointly addressable. Apparatus according to claim 1, characterized in that the actuating element (27) for actuating the locking means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52) is associated with at least one actuator (15). Apparatus according to claim 2, characterized in that the actuator (15) both the locking means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52) responds simultaneously. Apparatus according to claim 2 or 3, characterized in that the at least one locking means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52), is arranged on the actuator (15). Apparatus according to claim 4, characterized in that both locking means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52) are arranged on the actuator (15). Device according to one of the preceding claims, characterized in that at least one locking means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52) non-positively and / or positively with a corresponding counter-means (22, 26 _a , 26 _b ; 22, 46) cooperates. Apparatus according to claim 6, characterized in that the counter-means (22, 26 _a , 26 _b , 22, 46) fixed relative to the solid surface and / or relative to the lamp (13) is arranged. Apparatus according to claim 7, characterized in that a first counter-means (22) fixed relative to the space-fixed surface and that a second counter-means (46) fixed relative to the lamp (13) is arranged. Device according to one of claims 6 to 8, characterized in that at least one locking means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52) has a clamping surface (43, 52) and a corresponding counter-means (22, 26 _a , 26 _b , 22, 46) has a counter-clamping surface (23, 53), wherein clamping surface and counter-clamping surface are clamped relative to one another. Apparatus according to claim 9, characterized in that at least one clamping surface (43, 52) is curved substantially concave. Apparatus according to claim 10, characterized in that at least one associated counter-clamping surface (23, 53) is convexly curved. Device according to one of the preceding claims, characterized in that a fixing means with a clamping surface (52) is assigned a light-side counter-means (46) with a counter-clamping surface (53), wherein the clamping surface (52) engages over the spanning surface (53) or spans. Apparatus according to claim 12, characterized in that clamping surface (52) and counter-clamping surface (53) form a pair of surfaces with corresponding surfaces, wherein a strain of the two surfaces relative to each other in a flat contact of the surfaces results in each other. Apparatus according to claim 12 or 13, characterized in that the light-side counter-clamping surface (53) of an actuator-side plug-projection (51) is engaged behind. Device according to one of claims 6 to 14, characterized in that at least one locking means and a corresponding counter-agent have teeth. Device according to one of the preceding claims, characterized in that a luminaire-side counter means (46) has a bearing eye (48) for the second spatial axis (pivot axis S2). Device according to one of the preceding claims, characterized in that a light-side counter-agent (46) has fastening lugs (47) for direct light-side attachment. Device according to one of the preceding claims, characterized in that the device has a diaphragm (50) for covering a light-side counter-agent (46). Device according to one of claims 2 to 4, or according to a preceding, back to one of these claims claim, characterized in that in a head portion (41) of the actuator (15) a locking means is arranged, which with a fixed relative to the solid surface arranged, so room-side, antidote (22) cooperates. Device according to claim 19, characterized in that the room-side counter means (22) is formed by an annular body. Apparatus according to claim 19 or 20, characterized in that the room-side counter-means (22) has a convex counter-clamping surface (23). Device according to one of claims 19 to 21, characterized in that the chamber-side counter-means (22) between two clamping jaws (43, 45) is arranged, wherein a first clamping jaw (43) is formed by the locking means. Apparatus according to claim 22, characterized in that the device comprises two housing shell parts (14, 15), wherein the locking means with the first clamping jaw (43) on one housing shell (15) and the second clamping jaw (45) on the second housing shell (14 ) is arranged. Device according to one of the preceding claims, characterized in that the actuating element (27) cooperates with a thrust element arrangement (E). Apparatus according to claim 24, characterized in that the pusher element arrangement (E) for responding at least one fixing means (21 _a , 21 _b , 35 _a , 35 _b , 43, 52) is associated with at least one contact surface (33). Apparatus according to claim 25, characterized in that the contact surface (33) cooperates with a on an actuator (15) arranged mating contact surface (34). Device according to one of claims 25 or 26, characterized in that the actuating element (27) with a Contact surface (33) provided component (32) directly responsive and relocated. Device according to claim 25 or 26, characterized in that the actuating element (27) acts on a first component (30) of the thrust element arrangement (E), which by interposing a spring element (31) has a second component (32) provided with the contact surface (33) ) appeals. Apparatus according to claim 27 or 28, as far as dependent on claim 26, characterized in that the contact surface and the mating contact surface of wedge surfaces (33, 34) are formed, which an axial movement of the contact surface having member (32) softly in a movement of the Turn the actuator (15) with two different directional components. Apparatus according to claim 29, characterized in that the movement of the actuator (15) with two directional components has a first directional component (x-direction), with which the first detection means (21 _a , 21 _b , 43) is addressed, and a second, in particular to the first directional component vertical direction component (y-direction), with which the second locking means (35 _a , 35 _b , 52) is addressed. Device according to one of claims 25 to 30, characterized in that the contact surface (33) between a rest position in which the lamp (13) about the spatial axes (S ₁ , S ₂ ) is pivotable, and a working position in which the lamp with respect to a pivoting movement about both spatial axes (S ₁ , S ₂ ) is locked, is displaced. Device according to one of the preceding claims, characterized in that two housing shells (14, 15) are provided, between which a clearance is present in the mounted state. Apparatus according to claim 32, insofar as it relates to claim 2, characterized in that the actuator is formed by a housing shell (15). Apparatus according to claim 32 or 33, as far as this is related to claim 25, characterized in that the contact surface (33) as a holding surface for the holding together of the housing shells (14, 15) is formed. Device according to one of claims 32 to 34, characterized in that the two housing shells (14, 15) are fastened to each other and form a manageable unit in this way, before an attachment of the lamp (13) takes place on the device. Apparatus according to claim 35, characterized in that a light-side counter-agent (46) on a housing shell (14) is fixed, and that the two mutually mounted housing shells (14, 15) via the light-side counter means (46) together with the lamp (13) are connectable. Device according to one of the preceding claims, characterized in that the actuating element is formed by a threaded screw (27). Device according to claim 37, insofar as it relates to claim 27 or 28, characterized in that the threaded screw (27) is provided with an internal thread (29) in the component (32) having the contact surface (33) or in the first component (30). the thrust element assembly (E) cooperates.

Images