Summary of the invention
In order better to solve connector and the apparatus casing screw thread mode of screwing bring in the existing issue the installation and the problem of material damage.The utility model provides a kind of connector; Comprise inner wire, outer conductor and insulator; It between said inner wire and the outer conductor insulator; It is that funnel-form, the outside are columned guide part that said outer conductor one end has inboard, and said guide part is connected with clamping part, and said clamping part lower end has the fixed part that is used for the installing hole interference fit.The fixed form of its fixed part of the connector that the utility model provides and installing hole is the mode of interference fit; Substituted the mode of existing fixed portion and installing hole screw thread screwing installation; The cable rotation that makes connector in installation process, can avoid rotating to cause; Help better protection cable and apparatus casing, simultaneously the mounting means of the interference fit between connector and the apparatus casing also makes being installed on the apparatus casing that connector can be convenient.
As a kind of improved procedure, the connector that the utility model provides is shaped on annular knurl or anti-skidding striped at the fixed part of its outer conductor.Being connected between the fixed part that this annular knurl or anti-skidding striped can make the connector outer conductor and the installing hole is more fastening.
As a kind of improved procedure, the said clamping part outside has pushes when being used to install or the boss of clamping.In this kind improved procedure; Boss on the connector outer conductor clamping part can be when being installed on connector on the apparatus casing installing hole; As pushing or the impetus of clamping, increased the lifting surface area of connector, for being installed on the apparatus casing, connector brings great convenience; Can bring laborsaving effect in connector annular knurl or anti-skidding striped and the process that the installing hole of apparatus casing combines, the effect of the position of limiting connector on apparatus casing can also be played simultaneously in the position of boss.
As a kind of improved procedure, said boss sidewall have mill flat.
As another kind of improved procedure, have in the said clamping part outside mill flat.Mill and flatly can make clamping device,, can be good at grasping said connector, make things convenient in the installation process fixing to connector like spanner.
As a kind of improved procedure, said fixed part lower end has guide end, and said guide end is the cylinder of radius less than said fixed part radius, and said cylinder exterior bottom has chamfering.Said guide end can be convenient to the position that connector navigates to installing hole fast, has improved installation effectiveness.
The utility model also provides a kind of connector installation sleeve; Said connector installation sleeve is bar shape and cylinder central shaft to through hole is arranged; Said connector installation sleeve one end has the fixing hole that is used for fixing connector; The other end of said connector installation sleeve has the fixed part that is used for the installing hole interference fit, has the connector clamping part between said fixing hole and the said fixed part.The connector installation sleeve that the utility model provides can be fixed in the mode of connector with interference fit on a certain Unit Installation hole; Substituted connector and installing hole threaded engagement in the prior art mode; Avoid the spinning movement of connector in installation process, thereby avoided the interference of cable to assembling on the connector.
As a kind of improved procedure, be shaped on annular knurl or anti-skidding striped at the fixed part of connector installation sleeve.Being connected between the fixed part that said annular knurl or anti-skidding striped can make the connector installation sleeve and the installing hole is more fastening.
As a kind of improved procedure, have at the clamping part of said connector and to push when being used to install or the boss of clamping, said boss and installation sleeve are one-body molded.Said boss can be when being installed on connector on the apparatus casing installing hole; As pushing or the impetus of clamping; For being installed in the installing hole, connector encapsulation interference fit brings great convenience; Especially be shaped under the situation of annular knurl or anti-skidding striped on connector installation sleeve fixed part surface, this boss can be convenient to the force application mechanism application of force on the connector installation sleeve, is beneficial to interference fit and installs.
As a kind of improved procedure, the clamping part of said connector have mill flat.In the time of on the fixing hole that connector is fixed in the connector installation sleeve, clamp this with setting tool and mill flat position, can effectively prevent the slip of connector installation sleeve.Further, said boss sidewall have mill flat.
As a kind of improved procedure, said fixed part lower end has guide end, and said guide end is that radius has chamfering less than the said cylinder exterior bottom of the cylinder of said fixed part radius.The aligning installing hole that the guide end of connector installation sleeve can make the connector installation sleeve be more prone to is convenient to improve installation effectiveness.
As a kind of improved procedure, the fixing hole of said connector installation sleeve is the screwed hole that is used for mounted connector.Because connector of the prior art is provided with screw thread at its fixed part usually, therefore the fixing hole of the connector installation sleeve in the utility model is made as screwed hole for better fit connector construction of the prior art.
The utility model also provides a kind of connector external member, comprises connector and connector installation sleeve, and said connector installation sleeve is above-mentioned connector installation sleeve, and said connector is fixed on the fixing hole of said connector installation sleeve.The connector external member that the utility model provides can adopt connector of the prior art; And the connector installation sleeve adopts the above-mentioned connector installation sleeve of the utility model; This connector installation sleeve has the fixed part that is used for the installing hole interference fit; And at one end have the fixing hole of fixed connector, make connector avoid the mounting means of screw thread rotation.
Embodiment
To combine the accompanying drawing among the utility model embodiment below, the technical scheme among the utility model embodiment is carried out clear, intactly description, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one, as shown in Figure 3; A kind of connector; Comprising inner wire 21, outer conductor 22 and insulator 23, is insulator 23 between said inner wire 21 and the outer conductor 22, and it is that funnel-form, the outside are columned guide part 221 that said outer conductor 22 1 ends have inboard; Said guide part 221 is connected with clamping part 222, and said clamping part 222 lower ends have the fixed part 223 that is used for the installing hole interference fit.Be illustrated in figure 4 as the sectional structure chart of the connector that present embodiment provides; Having inboard at said outer conductor 22 1 ends is that funnel-form, the outside are columned guide part 221, and the inboard of said guide part is a funnel-form, forms a taper seat; The range of taper of said taper seat is controlled at 15 °~60 °; It is understandable that when connector is connected with other equipment, on other equipment, to have the consistent cone structure of tapering degree with the taper seat of said guide part; Make said connector closely be connected, and be easy to the quick contraposition of other equipment and said connector guide part with other equipment.In order better to guarantee the transmission performance of connector, the guide part described in the present embodiment has Gold plated Layer.
Said guide part 221 is connected with clamping part 222, and said clamping part 222 is structure as a whole with said guide part 221, and said clamping part 222 outsides can be cylindrical-shaped structures, and cylindrical-shaped structure is easy to processing; Said clamping part 222 outsides can also be the regular polygon structures, and the regular polygon structure can be convenient to the clamping device clamping, for example adopts the clamping part of hexahedron structure, can adopt common wrench to grasp the outside of said clamping part.Adopt cylindrical-shaped structure for the said clamping part outside among the utility model embodiment, be easy to processing and realize.Can see sectional structure chart Fig. 4 of the connector that provides from the utility model embodiment: said clamping part inboard is formed with a link slot, and when connector was connected with other equipment, said link slot contacted with other equipment, realizes that contact connects.Said link slot cross section is " recessed " shape, is inner wire 21 at " recessed " shape center.Said clamping part 222 lower ends have the fixed part 223 that is used for the installing hole interference fit; Because the lower part of connector can be fixed in the installing hole of apparatus casing; The lower part that it is understandable that connector just is equivalent to fixedly root of connector, so the connector fixed part is selected near the position of connector lower part connector fixedly to be had a better effect in the practical application.Said fixed part 223 is shaped on annular knurl; The appearance that this annular knurl is formed on said fixed part expires; This annular knurl can be the striped with inner wire 21 coaxial line directions, also can be the oblique line line with certain angle, perhaps only for satisfying the tiny convexity of interference fit needs; It is understandable that; Said fixed part 223 outer surfaces can be shaped on anti-skidding striped, and this anti-skidding striped can substitute above-mentioned annular knurl, realize and the same effect of above-mentioned annular knurl; Striped pattern for annular knurl or anti-skidding striped does not constitute the restriction to the utility model protection range; The altitude range of annular knurl or anti-skidding striped has certain influence to the stability that connector is fixed on the equipment, and the bigger connector so of altitude range that it is understandable that annular knurl or anti-skidding striped is fixed in the pressure that good more while of stability on the equipment also can increase interference fit, so the altitude range of selection annular knurl is 1/5~1/3 of an outer conductor length in the practical application.
Because the connector fixed part has substituted screw thread of the prior art with annular knurl or anti-skidding striped; Therefore improve as corresponding; The said clamping part outside in the present embodiment on the outer conductor of connector has pushes when being used to install or the boss 2220 of clamping; Clamping part 222 on the outer conductor 22 of said boss 2220 and said connector is one-body molded; The outer conductor 22 that it is understandable that said boss 2220 and said connector also can not adopt one-body molded, and said boss 2220 is processed on the clamping part 222 of outer conductor 22 that loop configuration is socketed on said connector.When being crimped onto connector on the apparatus casing; Fixed part 223 needs enough big downward pressure just can make on the installing hole of connector with the mode permanent plant housing of interference fit; As be fixed on the hole of isolation bar of filter cavity; Boss on this moment connector outer conductor clamping part can be when being installed on connector on the apparatus casing installing hole, and as pushing or the impetus of clamping, so the boss structure in the present embodiment can be good at accomplishing laborsaving installation; And the edge ledge of boss can limiting connector stretches into the degree of depth in hole on the filter cavity isolation bar, plays the effect of location.The said fixed part lower end of said connector has guide end 224 in the present embodiment; Said guide end 224 is the cylinder of radius less than said fixed part 223 radiuses; The radius that the radius that it is understandable that said guide end 224 is slightly less than said fixed part 223 gets final product; Said cylinder exterior bottom has chamfering; Guide end 224 can be good at guaranteeing that cable is through installing hole within the specific limits in the process of installing, and the lower end of guide end has chamfering simultaneously, can be convenient to connector and be inserted in the installing hole.In order to guarantee the transmission performance of connector, said inner wire and said outer conductor are whole gold-plated or parcel-gilt conductor.
The connector that the utility model embodiment provides have in the said clamping part outside mill flat.Milling flat is on cylindrical lateral surface, to mill to process a plane, and purpose is to make clamping device, and like spanner, firm grasping has mills flat object.The connector that the utility model embodiment provides can have two-sided more than a pair of and mill flat in said clamping part 222 outsides; It is two-sided that to mill flat be on cylindrical lateral surface, to be milled with two parallel planes symmetrically; Connector among the utility model embodiment have in said clamping part 222 outsides a pair of two-sided mill flat; Said mill the flat degree of depth should not be dark excessively, select generally that said to mill the flat degree of depth be 1mm~6mm, milling the flat degree of depth described in the utility model embodiment is 2mm.It is understandable that; The said clamping part of said connector can also be milled with 2 pairs two-sided mill flat; If be milled with 2 pairs two-sided mill flat, just then flat the then said clamping part outside two-sided is milled then near hexahedron structure near tetrahedral structure if be milled with 3 pairs in the outside of clamping part 222; By that analogy, be milled with for other here and manyly mill flat structure and repeat no more two-sided.
As the another kind of execution mode of present embodiment, said boss 2220 sidewalls have mill flat.Have on its structural principle and the above-mentioned clamping part outside that to mill flat principle identical, repeat no more here.
Connector among the utility model embodiment substitutes original helicitic texture with annular knurl or anti-skidding striped; Set annular knurl or anti-skidding striped can be with firm being installed on the installing hole of connector; Prevent that connector from sliding; Avoided cable rotation and interference assembling in the installation process, the mounting means of connector fixed part and installing hole interference fit has also improved connector and has been fixed in the installation effectiveness on the apparatus casing.
Embodiment two, like Fig. 5 and shown in Figure 6; A kind of connector installation sleeve; Said connector installation sleeve is bar shape and cylinder central shaft to through hole is arranged; Said connector installation sleeve one end has the fixing hole 41 that is used for fixing connector, and the other end of said connector installation sleeve has the fixed part 42 that is used for the installing hole interference fit, is clamping part 40 between said fixing hole and the said fixed part.When connector combines with a certain equipment; Can earlier connector be fixed on the fixing hole 41 of connector installation sleeve; The connector installation sleeve that will install connector then is fixed on the installing hole of the said equipment with the mode of interference fit; It is understandable that, also can earlier the mode of connector installation sleeve with interference fit be fixed on the installing hole of the said equipment, then connector is fixed on the fixing hole of connector installation sleeve.With respect to connector fixed form of the prior art; The connector installation sleeve that the utility model embodiment provides has been overturned traditional connector and has directly been screwed the way on the installing hole of equipment through screw thread; On the connector installation sleeve, be provided with the fixed part that is used for the installing hole interference fit, make connector become the mode of interference fit through the combination of connector installation sleeve and equipment.
Simultaneously to be fixed on the mode on the fixing hole 41 of connector installation sleeve be not unique to connector yet; According to the structure of the stiff end of connector the fixing hole of connector installation sleeve being made corresponding adjustment gets final product; Connector among the utility model embodiment is selected the connector that is threaded stiff end of the prior art for use; The fixing hole 41 of connector installation sleeve can be processed the respective threads hole so; When connector is combined with equipment, earlier connector is screwed on the fixing hole of connector installation sleeve, the connector installation sleeve that will be fixed with connector then is fixed on the installing hole of equipment with the mode of interference fit.The fixing hole of the connector installation sleeve among the utility model embodiment is chosen as the screwed hole that is used for mounted connector, can increase the versatility of connector installation sleeve.It is understandable that; When the stiff end of the connector of being selected for use is not a helicitic texture; The fixing hole of the connector installation sleeve among the utility model embodiment also will be made corresponding variation so; For example, the stiff end of the connector of being selected for use is the annular knurl structure, the fixing hole of so said connector installation sleeve then become be complementary can with the hole of the stiff end annular knurl interference fit of this connector.
Fixed part 42 surfaces of the connector installation sleeve that the utility model embodiment provides are shaped on annular knurl, and this annular knurl is the striped with connector installation sleeve coaxial line direction.It is understandable that the striped of this annular knurl also can be the oblique line line with certain angle.As another kind of improved procedure, can also be shaped on anti-skidding striped on fixed part 42 surfaces of said connector installation sleeve, said anti-skidding striped can substitute above-mentioned annular knurl, realizes the effect identical with above-mentioned annular knurl.The altitude range of annular knurl or anti-skidding striped has certain influence to the stability that the connector installation sleeve is fixed on the equipment; The bigger connector so of the altitude range installation sleeve that it is understandable that annular knurl or anti-skidding striped is fixed in the pressure that good more while of stability on the equipment also can increase interference fit; Therefore selecting the altitude range of the annular knurl of connector installation sleeve in the practical application is 1/5~1/3 of connector installation sleeve entire length, and the annular knurl height of connector installation sleeve is 1/4 of a connector installation sleeve entire length among the utility model embodiment.
The connector installation sleeve that the utility model embodiment provides has clamping part 40 between said fixing hole and the said fixed part between fixed part 42 and the fixing hole 41.Further; Said clamping part has to be pushed when being used to install or the boss 43 of clamping; Said boss 43 is one-body molded with installation sleeve, and certain said boss 43 also can be taked the form of partial installation on said connector installation sleeve, if adopt the boss of split then on the connector installation sleeve, process a step; The boss of this split can be sleeved on the step, guarantees that the boss of said split can slippage.Adopt and the integrated boss 43 of connector installation sleeve among the utility model embodiment; In the operation of installing, can economize this step of whereabouts connector installation sleeve upper mounting boss; Rounded of boss described in the utility model embodiment; Certainly the shape of boss also can be oval, square, the shape that triangle etc. can be convenient to process.The thickness of said boss is unsuitable blocked up; Consider from the angle of economical with materials; The thickness range of said boss be said connector installation sleeve clamping part length 1/4~1/2, the thickness of boss described in the utility model embodiment be said connector installation sleeve clamping part length 1/3.Boss on the clamping part of connector installation sleeve can be when being installed on the connector installation sleeve on the apparatus casing installing hole; As pushing or the impetus of clamping; When the fixed part with said connector installation sleeve pressed in the installing hole of equipment, said boss can increase the lifting surface area of said connector installation sleeve, under the condition with equal pressure; Boss can reduce the intensity of pressure on the said connector installation sleeve, is convenient to said connector installation sleeve is installed on the installing hole of equipment.
The connector installation sleeve that the utility model embodiment provides; On the clamping part 40 of said connector installation sleeve, have mill flat; Have on the clamping part 40 of the connector installation sleeve among the utility model embodiment and a pair ofly two-sidedly mill flat 44; Said mill the flat degree of depth should not be dark excessively, select generally that said to mill the flat degree of depth be 1mm~6mm, milling the flat degree of depth described in the utility model embodiment is 2mm.It is understandable that; The said clamping part of said connector installation sleeve can also be milled with 2 pairs two-sided mill flat; If be milled with 2 pairs two-sided mill flat, just then the outside of the clamping part 40 of connector installation sleeve near tetrahedral structure, if be milled with 3 pairs of two-sided clamping part 40 outsides of milling flat then said connector installation sleeve then near hexahedron structure; By that analogy, be milled with for other here and manyly mill flat structure and repeat no more two-sided.Further, said boss sidewall have mill flat.Have on its structural principle and the above-mentioned connector installation sleeve clamping part outside that to mill flat principle identical, repeat no more here.
When connector is installed on the fixing hole 41 of said connector installation sleeve, clamps with clamping device and saidly to mill flat position and can prevent effectively that said connector installation sleeve from sliding.It is understandable that, saidly mill flat position and be selected in as far as possible near having better anti-slip effect on the position of said fixing hole 41.
The connector installation sleeve that the utility model embodiment provides, said fixed part lower end has guide end, and said guide end is that radius has chamfering less than the said cylinder exterior bottom of the cylinder of said fixed part radius.Guide end described in the utility model embodiment 45 is one-body molded with said connector installation sleeve; The external diameter of guide end 45 can not be greater than the external diameter of the fixed part 42 of said connector installation sleeve; The internal diameter of said guide end 45 is consistent with the internal diameter of said connector installation sleeve; It is understandable that the internal diameter size of said guide part should not constitute the restriction to the utility model protection range.Said guide end 45 has chamfering and is convenient to guide end fast to being the equipment installing hole in the bottom, help realizing the fixed part 42 of said connector installation sleeve and the interference fit of equipment installing hole.
Embodiment three, as shown in Figure 7; A kind of connector external member comprises connector 51 and connector installation sleeve 52, and said connector installation sleeve 52 is the connector installation sleeve described in the embodiment two; Repeat no more at this, said connector 51 is fixed on the fixing hole of said connector installation sleeve 52.The connector external member that the utility model embodiment provides combines connector through the connector installation sleeve with the mode of equipment installing hole with interference fit; The mode that directly cooperates with respect to connector of the prior art and equipment installing hole; Replaced the mounting means that screws in the prior art with the mounting means of pushing; Thereby avoided the problem damaged of the wire rod that causes of friction relatively of cable and equipment on the connector that connector screwing installation mode brought; On the other hand, the mode of connector external member and equipment installing hole interference fit can reduce the set-up time, increases installation effectiveness.
Used concrete example among this paper the principle and the execution mode of the utility model are set forth, the explanation of above embodiment just is used to help to understand the core concept of the utility model; Simultaneously, for one of ordinary skill in the art, according to the thought of the utility model, the part that on embodiment and range of application, all can change, in sum, this description should not be construed as the restriction to the utility model.