EP1125864A2 - Dispenser for media - Google Patents

Abstract

The dispenser incorporates a release (30) as a result of two successive movements (46). A barrier is released with the release-devices and blocks the operation of a first unit (2) in relation to a second unit (3) from a non-operating position. A locking element (33) and counter-element (36) have at least one counter element . The locking element comprises spaced apart first and second locking devices (37).

Description

The invention relates to a dispenser for media, the one Has actuation, which is a driving force for control a function. The activity is in progress to set and to initiate a suitable force unlock.

The actuating force and, if applicable, the same unlocking force can be done manually or by a drive means such as a spring to be initiated. With the actuation or the Unlocking is also a hub, like a spinning or linear stroke. The stroke can be a control movement for a valve and / or a drive movement for pressure charging of the medium and also have other functions.

To ensure that the operation is not easy can be moved so far that the associated function is triggered, an attempt is made to force this or difficult to form-fitting. For example, certain Movements or force introductions are used.

Often children or other unauthorized persons should not be in be able to carry out the discharge or other functions of the To operate the dispenser.

The invention has for its object to a donor create avoided by the disadvantages of known training are or where one or more different Actions can be made sufficiently difficult, to narrow the circle of users. Regardless of that the dispenser simple and compact in structure, easy to handle and be easy to assemble.

According to the actuation means are assigned to the for their successive start-up Require movements to actuate from a position in to transfer another location and thus unlock it. These movements can be parallel or rectified be, however, they expediently differ from one another and / or from the stroke direction, so that then without special skill or sufficient force cannot be unlocked is. Unlocking can be reversible or irreversible, each after whether a return to the blocked position is provided or not.

It is particularly useful if the unlocking means for Release of a positive lock are provided. At a non-positive lock it is useful to release a first unlock movement, followed by a second unlock movement and finally an actuation movement run through the hub. Any of the movements can be a swiveling, rotating or linear movement. Each of the movements has one of the other two movements different direction, e.g. B. a radial direction, a Direction of rotation and a direction parallel to the associated axis of rotation Linear direction.

The inventive design, it is possible to one of the two units to be locked relative to each other a locking element with separate first and second locking members to be provided which are at a distance from each other and therefore independently of each other against the corresponding directions block the two unlocking movements. If one of the Tripping elements triggered, so the other remains blocking effective. Only when the first locking member and the associated one Counter member disengaged and then wide the lock has been moved enough from each other solved for the second locking member, after which the actuation can be moved over the stroke.

Regardless of the positive lock described, e.g. B. in the event of a block solely by changing resistors during the stroke or when locked with only one of the positive locking elements mentioned, it is also advantageous to provide a support body. This points two walls protruding freely against the stroke direction or Coats on, between which a protrusion or coat, in particular the blocking element of the first unit, can be moved into it. The lead is from the outside Surround the jacket in every position, for what the outer Carrier jacket has an annular disk-shaped end wall. The both coats can be made in one piece or from be composed of separate components. There is in particular the outer jacket of the support body made of two Locations. With this support body can be a valve or Fasten the pump housing securely to a support, which is as a handle to enclose with your hand during media discharge suitable and be a bottle or other hollow body can. The width or radial extension of the carrier is larger than that of the donor or each of the donor units.

The training courses according to the invention are both for revesible Stroke actuation as well as for only one stroke actuation without Return stroke suitable. In the first case, the Starting and rest position reached again and medium in one Dosing chamber of the housing sucked up. In the second case the dosing housing contains the entire stored media volume, so that the reservoir and the pumping chamber pass through it Space are formed. The medium can be Actuating tappets flow to the media outlet or as with a medical syringe, opposite the pump plunger emerge directly from the cylinder, which then the media outlet forms.

Fig. 1

einen erfindungsgemäßen Spender in teilweise geschnittener Ansicht und Ruhelage,

Fig. 2

einen Querschnitt durch den Spender gemäß Fig. 1, sowie

Fig. 3 und 4

eine weitere Ausführung in Darstellungen gemäß den Figuren 1 und 2.

These and further features of the invention are also apparent from the description and the drawings, the individual features being implemented individually or in groups in the form of sub-combinations in one embodiment of the invention and in other fields and representing advantageous and protectable embodiments for which protection is claimed here. Embodiments of the invention are shown in the drawings and are explained in more detail below. The drawings show:

Fig. 1

a dispenser according to the invention in a partially sectioned view and rest position,

Fig. 2

a cross section through the dispenser according to FIG. 1, and

3 and 4

a further embodiment in representations according to Figures 1 and 2.

The dispenser 1 consists of plastic or injection molded parts and can be carried and operated simultaneously with one hand. He has two units 2, 3, namely the actuating unit as the first unit 2 and as a second unit the support unit 3. Die Unit 2 has a cap-shaped head 50 to the outside opening media outlet 4 and a handle 5 and one in Outlet 4 opening outlet channel 6. Channel 6 penetrates a nozzle or a fastening member 7 for axial Installation on a plunger. The nozzle 7 is at a distance from a wall, a projection or an outermost jacket 8 of the Head 50 surrounded. The jacket 8 goes in at the very end an end wall 9 of the head 50 over. About the coat 8 is only the outlet 4 radially outwards. Parts 5 or 7 to 9 are formed by the one-piece head 50, which also the outlet 4 and the channel 6 limited.

All components lie in a central or dispenser axis 10, to which the axis 11 of the outlet 4 is transverse or perpendicular lies. The one serving the media issue and by Finger pressure against the handle 5 to be driven stroke 14 parallel to axis 10 in direction 12, while the return stroke in the opposite direction 13 takes place. Unit 2 moves in during the stroke the unit 3 and the dispenser 1 is shortened. The Dispenser 1 becomes stuck with the unit 3 on a carrier 15, such as a glass storage bottle, attached and embraced one or more pumps 16. The housing 17 of the media pump 16 protrudes into the carrier 15, against which the unit 3 is tense. In the housing 17 there is a valve or piston unit 18 displaceable in directions 12, 13, the plunger 19 protrudes from the housing 17 and fixedly attached in the nozzle 7 is. In the housing 17 there are valves, such as an inlet valve for filling the pump, or an outlet valve for Delivery of the medium into channel 6 is provided. Both Exhaust valve body can be attached to unit 18 be arranged through which the medium from the dosing or Pump chamber flows into channel 6.

The unit 3 comprises 15 for its attachment to the memory a cap-shaped support body 20 with an outermost jacket 21 and three inner jackets 22, 23, 24, which walls form. The jacket 21 stands over the other jackets 22 to 24 in both directions 12, 13 and has a thickness of at most 1.5 mm. The innermost jacket 22 centers that Housing 17 in the axis 10 and is along its entire length surrounded by the radial distance from the jacket 23, which on the inner circumferential surface of the jacket 21 abuts or thereof has minimum gap distance. The jacket 23 is in the direction 13 slightly above the jacket 22. Both coats 22, 23 close towards 12 at the thicker ones relative to them Jacket 24 on, the same outer width as the jacket 23 and has an inside width that is at least as large as or larger than the outside width of the jacket 22.

The jacket 22 has on the inner circumference and at a distance from the jacket 24 a shoulder 25 which axially against the housing 17 Memory 15 spans. The free end of the jacket 24 forms one End face or shoulder 26 that is attached to the inner circumference of the Jacket 21 connects transversely and on a counter surface of the Memory 15 can be supported. On the inner circumference, the Sheath 24 a fastener 27, such as a thread, a radially resilient snap cams or the like, with which the support body 20 form-fitting against pulling securely engages in the memory 15. The coats 21 to 24 are by separate components 28, 29, namely the jacket 21 through the one-piece component 28 and the jackets 22 to 24 formed by the one-piece component 29. The coat 8 engages permanently between the coats 21, 23 and 22 and has an axial distance from the jacket 24 at the end of the stroke.

To unlock the unit 2 for the stroke actuation are in Direction 12 consecutive movements against different or increasing resistances conceivable by a Return spring can be generated. Particularly advantageous it is, however, if unlocking means 30 for a positive acting lock 31 are provided and the means 30 a manual release 32 to release the lock 31 include. The lock 31 has a locking element 33 on the unit 2 and a counter element 34 on the unit 3. The blocking element 33 is formed in one piece with the head 50, namely exclusively provided on the jacket 8. The counter element 34 is formed in one piece with the support body 20 and through the Sheaths 21, 22 formed that also like the entire body 20th could be formed in one piece. The locking element 33 has two axially and radially offset locking members 35, 37. The counter element 34 has accordingly offset Counterparts 36, 38.

The first locking member 35 is an opening in the jacket 8 and that first counter member 36 a play or with clamping in the Opening 35 engaging cams 36. The second locking member 37 is an axial web on the inner circumference of the jacket 8 and that second counter member 38 is an end face. The link has 35 two mutually facing blocking surface 39 as flanks of the Opening that converge at an acute angle to axis 10. The second locking surface 40 is the end surface of the cam 37. Die Blocking surfaces 39, 40 are fixed relative to each other and associated mating surfaces of the mating members 36, 38 are only Movable against one another transversely to the axis 10. It is also conceivable, the counter member 36 with the jacket 21 relative to the Manually twist the counter member 38 and the jackets 22 to 24. The counter member 38 forms on a ring sector of less than 80 °, 90 ° or 45 ° C as counter surface a counter shoulder 41, which connects to the outer circumference of the jacket 22 and is set back against its free end surface, so that over the shoulder 41 across an outer peripheral surface of the Jacket 22 protrudes. This goes at both ends Circumferential surface transversely in stop faces for the flanks of the Rib 37 over. The shoulder 41 also closes at the end a slide rail 42 or groove, the one flank the one Stop surface forms. The groove 42 is in accordance with FIG. 3 in the outer circumference of the jacket 22 is provided and has in the direction 13th Distance from shoulder 25. Once the web 37 into the groove 42 engages, the head 50 is opposite each of the parts 17, 20 to 29 of unit 3 secured against rotation without play. The The inner circumference of the jacket 8 is then close to the outer circumference of the Jacket 22 out.

In the rest position, the blocking surface 40 is free of play on the shoulder 41 supported, while the flank of the web 37 on the of the groove 42 abuts distant abutment surface. The cam 36 grips around the axis 10 without play and with a slight clamp fit into the opening 35. The cam 36 becomes radially outward moved in direction 46, the associated lock is free and the head 50 can thus face the support body in the direction 47 the second movement that the web 37 over the groove 42 arrives when it hits the other stop surface is present. Only now, at the end of this second movement, can Head 50 in direction 12 relative to unit 3 via the stroke 14 to be moved in the direction of 12. The rotary movement 47 after a first angle of rotation made more difficult by an escapement 43, which is formed by a projection of the peripheral surface, which connects transversely to shoulder 41. The cam projection extends up to groove 42 and the radially inner one slides on it Edge surface of the web 37 with increased friction, this Edge surface by resilient expansion of the jacket 8 with increased radial stress on the peripheral surface of the projection is present.

There are separate handles 44, 45 for the two individual locks intended. The first handle 44 is on the unit 3, namely provided on the support body 20 or on the jacket 21 and with the latter formed in one piece. The second handle 45 is provided on the unit 2 or on the head 50, namely by whose outer circumference is formed where it is next to the handle 44 or is axially adjacent to the handle 44 exposed. The handle 44 extends over a partial angle of at most 70 ° around the axis 10, is a right angle or transverse to Axle 10 lying plate and connects to an end wall 48 of the jacket 21 via a jacket sector 49, the radially after is offset inside against the jacket 21 and over the extends the same angle as the handle 44. The washer-shaped End wall 48 closes over the entire circumference immediately and therefore essentially dustproof to the Outer circumference of the jacket 8; this also applies to the connection of the jacket 8 to the jacket 22.

The jacket sector 49 protrudes from the inner circumference, which also the outer circumference of the jacket 8 closely along its entire length surrounds and therefore the links 36, 35 completely outwards covers. The links 37, 38 are correspondingly through the Coat 21 covered dust-proof to the outside. Links 35, 36 lie in the middle of the length of the jacket 8 so that the Handle 44 axially immediately adjacent to a radially the jacket 8 protruding neck 51 is located, the end of which Has opening 4 and the dash-dotted in Fig. 2 in two Rotational positions is indicated. 2 are the limbs 35, 37 about the axis 10 over an arc angle from each other removed that is 30 ° smaller or larger than 90 °. The Axial distance between the locking surfaces 39, 40 is greater than the stroke 14. The jacket 8 only touches the walls 22, 49, not however, the walls 21, 23, 24. The handle 44 is with the Cladding sector 49 pivotable with inherent deformability the wall 48 connected in a hinge axis that is tangential to the axis 10, with the sector 49 itself can deform resiliently. The cam 36 is closer to the Handle 44 than the joint. If the 5 parallel handle 44 pressed in the direction 12, so pivots them with the cam 36 in the direction 46.

The links and arrangements 35 to 45 are multiple or arranged in pairs, namely two identical links evenly distributed around the axis 10, or in a common Axial plane opposite each other. In the locked position 2, the nozzle 51 is in an axial view at a distance between two handles 44, namely in the axial plane the webs 37 and therefore closer to the one handle 44. In this respect, Fig. 1 shows a twisted relative to the opening 35 Position of the nozzle 50. Now both handles 44 are simultaneous to press. This is the only way to disengage both cams 36 and the head 50 can by gripping the handle 45 to Turn stop in the direction of 47. The Neck 51 from the closer handle 44 to a distance position moved by the more distant handle 44. As well as during the stroke, the cams 36 slide with compressive stress on the outer circumference of the jacket 8 and are therefore kept disengaged. Now the stroke 14 to by pressing against the handle 5 executed to the stop, namely until the handle 5 in Direction 12 has distance from the handles 44 and completely lies between these handles 44. The user's finger then intervenes between handles 44 and sectors 49 parallel to the nozzle 50 through the handle 5.

During the stroke, the piston unit 18 is moved synchronously and the pump chamber in the housing 17 narrowed so that the medium below Pressure arrives, the outlet valve opens and the medium from the Pump chamber through the plunger 19 under pressure into the channel 6 flows. With the release of the handle 5, the Return stroke at which the exhaust valve is closed, the Pump chamber expanded and the medium via a riser 52nd sucked into the pump chamber from the bottom of the store 15 becomes. If the head 50 is then turned in the opposite direction 47, remove the webs 37 from the grooves 42 to the stop and in this position the cams 36 jump in automatically the openings 35. This is the locked rest position again reached.

The nozzle 7 protrudes permanently into the housing 17, which a longer housing part 53 and one lying in the jacket 22 Lid 54 assembled or in one piece with this Cover is formed. The cover 54 is close to the inner circumference of the jacket 22 and has a radially projecting, washer-shaped flange 55 against which the shoulder 25 is excited. The memory 15 has outside the support body 20 an enlarged belly 56 and a narrower neck 57, which lies completely in the body 20 and on the outer circumference the counter member for the fastening member 27. Against the annular end surface of the neck 57 is the flange 55 tensioned with the interposition of an annular disc or seal, which can lie close to the outer circumference of the housing 17. The neck 57 adjoins the counter member Ring shoulder 58 against which the shoulder 26 rests. At a further, in the direction 12 offset ring surface, namely the Another ring shoulder 59 lies at the end face of the jacket 21 which is caused by the transition between the belly 56 and the neck 57 is formed. As a result, the space inside the jacket 21 well sealed. But it is also conceivable on the outer circumference of the Neck 57 to provide an annular recess in which the end of the jacket 21 radially inward like a Crimean ring can be bent into it.

According to Figures 3 and 4, the first locking member 35 is the Cam protruding from the outer circumference of the jacket 8. The first Counter member is a depression on the inner circumference of the wall 48 which the body 20 ends. The cam 35 has only one Stop surface, so that the head 50 in the opposite direction 47 the blocking position could be rotated if the stop surface is omitted for the web 37. The handle 44 is on the head 50 provided and by a corresponding sector 49 of the Sheath 8 formed. Sector 49 is on both sides Slots 60 separated from the rest of the jacket 8, protrudes in the direction 12 freely and is therefore against disengaging the link 35 to press the axis 10. The slots 60 can also have grooves be, which with its flanks on the outer circumference of the jacket 8 connect, but only over part of the thickness of the Coat 8 are enough. In this case there is pressure against the Handle 44 to reduce the curvature of the sector 49 widening the grooves 60 and disengaging the cam 35, which lies in the middle of the sector 49 according to FIG. 4. In 3 is the housing part which projects completely into the memory 15 53 not shown.

The dispenser 1 is designed here for the discharge of pasty lotions, which from the opening 4 as a strand or individual drops emerge. The opening 4 can also be parallel to Axis 10 or lying in this lying away from the body 20 his or form an atomizer nozzle, which is a swirl chamber Has. All features of all embodiments can be in one single embodiment may be provided, which is why all Description parts analogously for all embodiments be valid. The characteristics and effects can be precise or in the be essential or only approximately as specified or, depending on the requirements, deviate more from it.

Claims (10)

Dispenser for media with one operation, characterized in that the actuation means (30) for unlocking through successive first and second movements (46, 47) are assigned. Dispenser according to claim 1, characterized in that a lock to be released with the unlocking means (30) (31) the operation in a restricted position against publishers a first unit (2) relative to a second Unit (3) from a rest position in one stroke direction (12) over a stroke (14) through a locking element (33) and a counter element (34) with at least one counter member (36, 38) locks and the unlocking means (30) one Release (32) for releasing the lock (31) by the first and the subsequent second unlocking movement of the locking element (33) relative to the counter element (34) in different first and second directions (46, 47) include and that the locking element (33) at a distance first and second locking members (35, 37), of which the first locking member (35) against the second direction (47) the second unlocking movement locks and of which the second locking member (37) against the actuation direction (12) blocks the stroke (14). Dispenser according to claim 2, characterized in that the first locking member assigned to the unlocking means (30) (35) relative to the second locking member (37) in at least one of the directions is offset, the one direction parallel and include a direction transverse to the stroke (14), that in particular the second, the unlocking means (30) associated locking member (37) relative to the first locking member (35) is displaced in the stroke direction (12), and that preferably the first locking member (35) in one piece with the second locking member (37) is formed. Dispenser according to claim 2 or 3, characterized in that that a first locking surface (39) of the first locking member (35) transverse to a second locking surface (40) of the second Locking member (37) and the unlocking means (30) is assigned that in particular the first restricted area (39) on a circumferential surface and at a distance between the Ends of the peripheral surface (8), and that preferably the counter element (34) the locking element (33) in the Rest position on at least one to the stroke direction (12) approximately parallel side covers. Dispenser according to one of claims 2 to 4, characterized characterized in that a support body (20) for connection the dispenser (1) with a carrier (15), such as a Media storage is provided and two at a distance First and second support body walls lying apart from one another (21, 22), of which the first support body wall (21) in and against the stroke direction (12) via the second Support body wall (22) protrudes and at least of which a support body wall (21, 22) the unlocking means (30) is assigned that in particular the second, inner Support body wall (22) through which the medium flows and that Medium dispensing valve body through the first unit (2) (17) positionally secured, and that preferably that Valve housing (17) against the stroke direction (12) in the second support body wall (22) inserted and struck is. Dispenser according to claim 5, characterized in that the Counter element (34) provided on the support body (20) and the unlocking means (30) is assigned that in particular the first support body wall (21) is a first counter member (36) for the first locking member (35) and the second Support body wall (22) a second counter member (38) for the forms second locking member (37), and that preferably the first support body wall (21) against the stroke direction (12) the second support body wall (22) protrudes, both Support body walls are formed by jackets (21, 22). Dispenser according to claim 5 or 6, characterized in that that the first support body wall (21) is an annular disc End wall (48) and on the inner circumference associated counterpart (36) forms that in particular the second support body wall (22) for the second locking member (37) an annular surface (41) of the associated counter member (38) forms a slide rail on a subsector (42) for receiving the second locking member (37) at the hub (14), and that preferably the first Support body wall (21) on the inner circumference of a fastening member (27) for the carrier (15) and a ring shoulder (59) has in the stroke direction (12) on the counter element (34) and the fastening member (27) follows. Dispenser according to one of claims 2 to 7, characterized characterized in that the first unit (2) has an actuating head (50) with a manually operable printing surface (5) the actuation, with an opening into the open Media outlet (4) and with a locking element (33) forming and in the stroke direction (12) in the second Unit (3) protruding head jacket (8), the the unlocking means (30) is assigned that in particular the second locking member (37) through a free end the head shell (8) is formed, and that preferably the first locking member (35) on the outer circumference of the head shell (8) connects. Dispenser according to one of the preceding claims, characterized characterized in that the unlocking means (30) at least an unlocking handle (44, 45) for successive Unlock a first lock and a second lock have in particular that the unlocking handle (44) both to unlock the first lock (35, 36) and also for the subsequent unlocking of the second lock (37, 38) is formed, and that preferably at least an unlocking handle (44, 45) on the first Unit (2) is arranged. Dispenser according to one of claims 2 to 9, characterized characterized in that the dispenser (1) has a central axis (10) which is substantially parallel to the straight line Stroke direction (12) is that the first unlocking movement (46) is transverse to the central axis (10) and the second Unlocking movement (47) is a rotary movement of less than 180 ° around the central axis (10) and that the first Locking member (35) relative to the second locking member (37) the central axis (10) is shifted in particular in front the associated unlocking by turning (47) an inhibition (43) that must be overcome in a manner that makes it difficult to overcome and that preferably the first unit (2) in Rest position in the area of the locking element (33) approximately is surrounded by the second unit (3) in a dust-tight manner.

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