CN102544893B - Plug shell assembly and plug with same - Google Patents
Plug shell assembly and plug with same Download PDFInfo
- Publication number
- CN102544893B CN102544893B CN201210023309.3A CN201210023309A CN102544893B CN 102544893 B CN102544893 B CN 102544893B CN 201210023309 A CN201210023309 A CN 201210023309A CN 102544893 B CN102544893 B CN 102544893B
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- China
- Prior art keywords
- plug casing
- coupling nut
- bumping post
- plug
- lock washer
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Abstract
The invention relates to a plug shell assembly and a plug with the same. The plug shell assembly comprises a plug shell and a coupling nut sleeved on the plug shell in a coaxially rotating way, wherein the coupling nut is provided with internal threads on the front end and is matched with the plug shell in an axial direction in an anti-dropping manner; a bumping post is arranged on the periphery of the plug shell; one end of the bumping post is assembled to the plug shell, and the other end of the bumping post is diverged and extended along a radial direction of the plug shell; the coupling nut is internally provided with a lock washer movably along an axial direction on the rear part of the bumping post; the lock washer is matched with the coupling nut in a rotating stoppage way and is provided with a V-shaped clamped slot or a clamped slot with a cutter head being in a V shape on the front side face; in two vertical walls of the clamped slot, the slope of an inner wall face of one vertical wall on the front part in a screwing direction of the coupling nut is larger than the slope of an inner wall face of the other vertical wall; and a corrugated spring is arranged between the rear side of the lock washer and the coupling nut in an ejecting way. The problem that the coupling nut is easy to loosen when the existing connector plug is used in vibration environment is solved.
Description
Technical field
The present invention relates to the plug of connector assembly, especially a kind of plug casing assembly and use the plug of this housing unit.
Background technology
Existing connector assembly, no matter be optical connector, electric connector or mixed loading connector, is mostly made up of plug and socket.When use, described socket is fixedly assemblied on corresponding installation panel, described plug is connected on corresponding wire, plug together or separate to realize conducting or the disconnection of circuit or light path by controlling plug with socket.Existing plug includes plug casing, socket includes Socket casing, on described plug casing, coaxial rotation is arranged with coupling nut, described coupling nut coordinates with described plug casing anticreep vertically, Socket casing is provided with corresponding external thread section, in the time of plug and socket grafting, first plug is pushed vertically to socket with contact corresponding to conducting, then, by described coupling nut and external thread section, plug and socket are locked.But, because described coupling nut is to rotate to be assemblied on described plug casing, for keeping the relatively static confining force between the two limited, specifically, in some vibration occasions, the loosening situation of coupling nut happens occasionally, and this has directly reduced the contact reliability between plug and socket, has brought great inconvenience to user.
Summary of the invention
The object of the present invention is to provide a kind of plug casing assembly, to solve existing connector plug easily loosening problem of its coupling nut when for vibration environment.
Meanwhile, the present invention also aims to provide the plug that uses above-mentioned plug casing assembly.
In order to address the above problem, plug casing assembly of the present invention is by the following technical solutions: plug casing assembly, comprise that plug casing and coaxial rotation are sheathed on the coupling nut on plug casing, described coupling nut in front end be provided with internal thread and with plug casing in the axial direction anticreep coordinate, the periphery of described plug casing is provided with bumping post, one end of described bumping post is assembled on plug casing, the other end is radially dispersed extension along plug casing, in coupling nut, be movably set with vertically lock washer in the rear of described bumping post, described lock washer and coupling nut only screw the draw-in groove that closes and be provided with V-arrangement or butt V-arrangement in leading flank, the gradient that is positioned at the internal face of in front in two walls of described draw-in groove in the precession direction of coupling nut is greater than the gradient of another internal face, between the rear side of lock washer and coupling nut, be top-loaded with ripple spring.
Described bumping post is rotatably assorted around its axis and described plug casing separately.
Described plug casing is provided with the outer trailing flank that turns edge and turn edge outside it and is provided with the groove corresponding with described bumping post, and described bumping post is located in corresponding groove and the trailing flank of bumping post protrudes from the described outer trailing flank turning edge backward.
On described plug casing, be arranged with for the housing of adaptive socket ground connection spring coil in electrical contact.
Plug of the present invention is by the following technical solutions: a kind of plug, comprise plug casing, coaxial rotation is sheathed on the coupling nut on plug casing and is assemblied in the contact in described plug casing by insulator, described coupling nut in front end be provided with internal thread and with plug casing in the axial direction anticreep coordinate, the periphery of described plug casing is provided with bumping post, one end of described bumping post is assembled on plug casing, the other end is radially dispersed extension along plug casing, in coupling nut, be movably set with vertically lock washer in the rear of described bumping post, described lock washer and coupling nut only screw the draw-in groove that closes and be provided with V-arrangement or butt V-arrangement in leading flank, the gradient that is positioned at the internal face of in front in two walls of described draw-in groove in the precession direction of coupling nut is greater than the gradient of another internal face, between the rear side of lock washer and coupling nut, be top-loaded with ripple spring.
Described bumping post is rotatably assorted around its axis and described plug casing separately.
Described plug casing is provided with the outer trailing flank that turns edge and turn edge outside it and is provided with the groove corresponding with described bumping post, and described bumping post is located in corresponding groove and the trailing flank of bumping post protrudes from the described outer trailing flank turning edge backward.
On described plug casing, be arranged with for the housing of adaptive socket ground connection spring coil in electrical contact.
Because plug casing assembly of the present invention is provided with bumping post on its plug casing, in described coupling nut, be movably set with vertically lock washer, described lock washer and coupling nut only screw and close and its leading flank is provided with draw-in groove, between the rear side of lock washer and coupling nut, be top-loaded with ripple spring, therefore, after plug is connected with socket, be after described coupling nut and socket screw, can make described bumping post coordinate to reach locking object with corresponding draw-in groove, specifically, the gradient of that is positioned at front in the internal face due to two walls of draw-in groove in the precession direction of coupling nut is greater than another gradient, this make bumping post both sides resistance not etc., resistance when coupling nut precession is less than the resistance while back-out, therefore, when in vibration environment, lock washer produces the trend of rotating along the precession direction of coupling nut with respect to steel column, be that coupling nut produces the trend with respect to corresponding socket precession, thereby effectively prevent coupling nut becoming flexible in vibration environment, solve existing connector plug easily loosening problem of its coupling nut when for vibration environment.
Brief description of the drawings
Fig. 1 is the structural representation of the embodiment 1 of plug casing assembly of the present invention;
Fig. 2 is that the embodiment 1 of plug casing assembly of the present invention removes the structural representation after coupling nut;
Fig. 3 is the structural representation of the plug casing in Fig. 1;
Fig. 4 is the structural representation of the lock washer in Fig. 1;
Fig. 5 is the A-A cutaway view of Fig. 4;
Fig. 6 is the vertical view of Fig. 5;
Fig. 7 is the stereogram of the lock washer in Fig. 1;
Fig. 8 is the structural representation of the coupling nut in Fig. 1;
Fig. 9 is embodiment 1 structural representation of plug of the present invention;
Figure 10 is the structural representation of the plug casing assembly in Fig. 9;
Figure 11 is that the embodiment 1 of plug casing assembly of the present invention removes the structural representation after coupling nut;
Figure 12 is the structural representation of the plug casing in Figure 11;
Figure 13 is the structural representation of the lock washer in Figure 11;
Figure 14 is the A-A cutaway view of Figure 13;
Figure 15 is the vertical view of Figure 13;
Figure 16 is the stereogram of the lock washer in Figure 11;
Figure 17 is the structural representation of the coupling nut in Figure 11.
Embodiment
The embodiment 1 of plug casing assembly of the present invention, as shown in Fig. 1-8, there is plug casing 1, between the two ends of plug casing 1, be provided with and turn edge 1-1 outward and be provided with bumping post 2 with the rear place of its outer 1-1 that turns edge, in the present embodiment, bumping post 2 has three, the week that three bumping posts 2 are distributed in plug casing 1, upwards and around it axis and plug casing 1 were rotatably assorted separately, each bumping post 2 is all cylindrical and radially outward disperse extension along plug casing 1, the outer trailing flank turning edge of plug casing 1 is provided with and bumping post 2 groove one to one, each bumping post 2 embeds corresponding groove and protrudes from thereafter the outer trailing flank turning edge of plug casing 1 after side direction, on plug casing 1, turning set is provided with coupling nut 3, the front end of coupling nut 3 is provided with internal thread, the internal thread at this place for external thread bolt connection on the housing of corresponding socket, screw thread in coupling nut 3 adopts three crank slot forms, between the front and back end of coupling nut 3, there is through hole, this through hole is shoulder hole, its large footpath section be positioned at rear end and and path section between form one side rearward step surface, this step surface coordinates with the leading flank block of the outer 1-1 of turning edge of plug casing 1, thereby can prevent that coupling nut 3 from deviating from plug casing 1 from the rear end of plug casing 1, in coupling nut 3, be provided with successively from front to back lock washer 4 in the outer rear turning edge of plug casing 1, ripple spring 5, back-up ring 6 and jump ring 7, its guide ring 6 is limited in coupling nut 3 by jump ring 7 and coordinates with the step surface block of being located in the outside wall surface of plug casing 1 by front side, thereby can prevent that coupling nut 3 from deviating from plug casing 1 from the front end of plug casing 1, so far the anticreep that the step surface in back-up ring 6 and coupling nut 3 has been realized between coupling nut 3 and plug casing 1 coordinates, ripple spring 5 is mounted between back-up ring 6 and lock washer 4, the outer peripheral face of lock washer 4 is provided with and only revolves projection 4-1, the internal face of coupling nut 3 is provided with and respectively only revolves projection 4-1 spin slot 3-1 only one to one, lock washer 4 by described only revolve projection 4-1 and only spin slot 3-1 only screw merging with coupling nut 3 and coordinate with coupling nut 3 guiding activities in the axial direction, the leading flank of lock washer 4 is provided with draw-in groove 4-2, in the present embodiment, described draw-in groove 4-2 has three and corresponding one by one with three bumping posts 2, each draw-in groove 4-2 is all V-shaped, the gradient that is positioned at the internal face of in front in two walls of draw-in groove 4-2 in the precession direction of coupling nut 3 is greater than the gradient of another internal face, under the effect of ripple spring 5, each bumping post 2 is arranged in respectively in corresponding with it draw-in groove, when turn coupling nut 3, lock washer 4 rotates with respect to plug casing 1 with coupling nut 3, but due to the internal face gradient of two cell walls of the each draw-in groove on lock washer 4 not etc., therefore bumping post 2 is less than its resistance to lock washer 4 in the time that coupling nut 3 screws out to the resistance of lock washer 4 in the time of coupling nut 3 precession, thereby make coupling nut 3 in vibration environment, produce the trend of precession, realize the locking of coupling nut 3, in addition, because the distance between outer turning edge back-up ring 6 and plug casing 1 is determined, therefore when turn coupling nut 3 and while driving lock washer 4 to rotate, the maximum compressibility of ripple spring 5 is only the insert depth of bumping post in the draw-in groove of lock washer 4, thereby can set the decrement of ripple spring 5, avoid its pressurized transition and produce fatigue, and then increase its useful life, increase the normal workweek phase of plug casing assembly, the front place that plug casing 1 turns edge outside it is arranged with ground connection spring coil 8, ground connection spring coil can be in the time that plug plugs together with corresponding socket and the metal shell of socket in electrical contact to realize comprehensive shielding.
In other embodiment of plug-assembly, the bumping post described in the embodiment 1 of plug casing assembly can also fixedly be assemblied on plug casing, and bumping post needn't be rotatably assorted with plug casing; The quantity of bumping post and draw-in groove is one and all can above; The shape of the draw-in groove on described lock washer can also be butt V-arrangement.
The embodiment 1 of plug of the present invention, as shown in Fig. 9-17, there is plug casing 11, turning set is located at coupling nut 13 on plug casing 11 and is assemblied in contact in plug casing by insulator that (contact can be electric contact piece, light contact or light, loading in mixture of electric contact piece, in the present embodiment, be electric contact piece), insulator and contact all do not illustrate in the drawings, plug casing forms plug casing assembly together with coupling nut, between the two ends of plug casing 11, be provided with and turn edge 11-1 outward and be provided with bumping post 12 with the rear place of its outer 11-1 that turns edge, in the present embodiment, bumping post 12 has three, what three bumping posts 12 were distributed in plug casing 11 upwards and around its axis and plug casing 11 is separately rotatably assorted in week, each bumping post 12 is all cylindrical and radially outward disperse extension along plug casing 11, the outer trailing flank turning edge of plug casing 11 is provided with and bumping post 12 groove one to one, each bumping post 12 embeds corresponding groove and protrudes from thereafter the outer trailing flank turning edge of plug casing 11 after side direction, the front end of coupling nut 13 is provided with internal thread, the internal thread at this place for external thread bolt connection on the housing of corresponding socket, screw thread in coupling nut 13 adopts three crank slot forms, between the front and back end of coupling nut 13, there is through hole, this through hole is shoulder hole, its large footpath section be positioned at rear end and and path section between form one side rearward step surface, this step surface coordinates with the leading flank block of the outer 11-1 of turning edge of plug casing 11, thereby can prevent that coupling nut 13 from deviating from plug casing 11 from the rear end of plug casing 11, in coupling nut 13, be provided with successively from front to back lock washer 14 in the outer rear turning edge of plug casing 1, ripple spring 15, back-up ring 16 and jump ring 17, its guide ring 16 is limited in coupling nut 13 by jump ring 17 and coordinates with the step surface block of being located in the outside wall surface of plug casing 11 by front side, thereby can prevent that coupling nut 13 from deviating from plug casing 11 from the front end of plug casing 1, so far the anticreep that the step surface in back-up ring 16 and coupling nut 13 has been realized between coupling nut 13 and plug casing 11 coordinates, ripple spring 15 is mounted between back-up ring 16 and lock washer 14, the outer peripheral face of lock washer 4 is provided with and only revolves projection 14-1, the internal face of coupling nut 13 is provided with and respectively only revolves projection 14-1 spin slot 13-1 only one to one, lock washer 14 by described only revolve projection 14-1 and only spin slot 13-1 only screw merging with coupling nut 13 and coordinate with coupling nut 13 guiding activities in the axial direction, the leading flank of lock washer 14 is provided with draw-in groove 14-2, in the present embodiment, described draw-in groove 14-2 has three and corresponding one by one with three bumping posts 12, each draw-in groove 14-2 is all V-shaped, the gradient that is positioned at the internal face of in front in two walls of draw-in groove 14-2 in the precession direction of coupling nut 13 is greater than the gradient of another internal face, under the effect of ripple spring 15, each bumping post 12 is arranged in respectively in corresponding with it draw-in groove, when turn coupling nut 13, lock washer 14 rotates with respect to plug casing 11 with coupling nut 13, but due to the internal face gradient of two cell walls of the each draw-in groove on lock washer 14 not etc., therefore bumping post 12 is less than its resistance to lock washer 14 in the time that coupling nut 13 screws out to the resistance of lock washer 14 in the time of coupling nut 13 precession, thereby make coupling nut 13 in vibration environment, produce the trend of precession, realize the locking of coupling nut 13, in addition, because the distance between outer turning edge back-up ring 16 and plug casing 11 is determined, therefore when turn coupling nut 13 and while driving lock washer 14 to rotate, the maximum compressibility of ripple spring 15 is only the insert depth of bumping post in the draw-in groove of lock washer 14, thereby can set the decrement of ripple spring 15, avoid its pressurized transition and produce fatigue, and then increase its useful life, increase the normal workweek phase of plug casing assembly, the front place that plug casing 11 turns edge outside it is arranged with ground connection spring coil 18, ground connection spring coil can be in the time that plug plugs together with corresponding socket and the metal shell of socket in electrical contact to realize comprehensive shielding.
In other embodiment of plug, the bumping post described in the embodiment 1 of plug can also fixedly be assemblied on plug casing, and bumping post needn't be rotatably assorted with plug casing; The quantity of bumping post and draw-in groove is one and all can above; The shape of the draw-in groove on described lock washer can also be butt V-arrangement.
Claims (8)
1. plug casing assembly, comprise that plug casing and coaxial rotation are sheathed on the coupling nut on plug casing, described coupling nut in front end be provided with internal thread and with plug casing in the axial direction anticreep coordinate, it is characterized in that, the periphery of described plug casing is provided with bumping post, one end of described bumping post is assembled on plug casing, the other end is radially dispersed extension along plug casing, in coupling nut, be movably set with vertically lock washer in the rear of described bumping post, described lock washer and coupling nut only screw the draw-in groove that closes and be provided with V-arrangement or butt V-arrangement in leading flank, described lock washer coordinates with the activity of coupling nut guiding in the axial direction, the gradient that is positioned at the internal face of in front in two walls of described draw-in groove in the precession direction of coupling nut is greater than the gradient of another internal face, between the rear side of lock washer and coupling nut, be top-loaded with ripple spring.
2. plug casing assembly according to claim 1, is characterized in that, described bumping post is rotatably assorted around its axis and described plug casing separately.
3. plug casing assembly according to claim 1 and 2, it is characterized in that, described plug casing is provided with the outer trailing flank that turns edge and turn edge outside it and is provided with the groove corresponding with described bumping post, and described bumping post is located in corresponding groove and the trailing flank of bumping post protrudes from the described outer trailing flank turning edge backward.
4. plug casing assembly according to claim 1 and 2, is characterized in that, on described plug casing, be arranged with for the housing of adaptive socket ground connection spring coil in electrical contact.
5. a plug, comprise plug casing, coaxial rotation is sheathed on the coupling nut on plug casing and is assemblied in the contact in described plug casing by insulator, described coupling nut in front end be provided with internal thread and with plug casing in the axial direction anticreep coordinate, it is characterized in that, the periphery of described plug casing is provided with bumping post, one end of described bumping post is assembled on plug casing, the other end is radially dispersed extension along plug casing, in coupling nut, be movably set with vertically lock washer in the rear of described bumping post, described lock washer and coupling nut only screw the draw-in groove that closes and be provided with V-arrangement or butt V-arrangement in leading flank, the gradient that is positioned at the internal face of in front in two walls of described draw-in groove in the precession direction of coupling nut is greater than the gradient of another internal face, between the rear side of lock washer and coupling nut, be top-loaded with ripple spring.
6. plug according to claim 5, is characterized in that, described bumping post is rotatably assorted around its axis and described plug casing separately.
7. according to the plug described in claim 5 or 6, it is characterized in that, described plug casing is provided with the outer trailing flank that turns edge and turn edge outside it and is provided with the groove corresponding with described bumping post, and described bumping post is located in corresponding groove and the trailing flank of bumping post protrudes from the described outer trailing flank turning edge backward.
8. according to the plug described in claim 5 or 6, it is characterized in that, on described plug casing, be arranged with for the housing of adaptive socket ground connection spring coil in electrical contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210023309.3A CN102544893B (en) | 2012-02-02 | 2012-02-02 | Plug shell assembly and plug with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210023309.3A CN102544893B (en) | 2012-02-02 | 2012-02-02 | Plug shell assembly and plug with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102544893A CN102544893A (en) | 2012-07-04 |
| CN102544893B true CN102544893B (en) | 2014-10-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210023309.3A Expired - Fee Related CN102544893B (en) | 2012-02-02 | 2012-02-02 | Plug shell assembly and plug with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102544893B (en) |
Families Citing this family (11)
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| CN103050827B (en) * | 2012-12-05 | 2015-04-08 | 中航光电科技股份有限公司 | Dust-proof plug and electrical connector assembly applying same |
| DE202013002575U1 (en) | 2013-03-15 | 2013-04-17 | Rosenberger Hochfrequenztechnik Gmbh & Co. Kg | Connectors |
| CN103311749B (en) * | 2013-05-15 | 2016-08-24 | 大唐移动通信设备有限公司 | A kind of radio frequency connector |
| CN104503034B (en) * | 2014-12-18 | 2018-01-05 | 中航光电科技股份有限公司 | Locking thread joints of optical fibre housing unit |
| CN104536097A (en) * | 2014-12-18 | 2015-04-22 | 中航光电科技股份有限公司 | Threaded looseness prevention optical fiber connector plug |
| CN104536096A (en) * | 2014-12-18 | 2015-04-22 | 中航光电科技股份有限公司 | Threaded looseness prevention optical fiber connector plug shell assembly |
| CN105958249B (en) * | 2016-06-24 | 2018-05-22 | 中航光电科技股份有限公司 | A kind of electric connector |
| CN105958254B (en) * | 2016-06-24 | 2018-05-29 | 中航光电科技股份有限公司 | Electric connector housing component and the electric connector using the housing unit |
| CN111541075B (en) * | 2020-05-20 | 2022-05-20 | 中航光电科技股份有限公司 | Connector for preventing corrugated spring from being worn |
| CN112909639B (en) * | 2021-01-28 | 2021-09-17 | 深圳市盛格纳电子有限公司 | Shockproof connector and connector assembly |
| CN114744440B (en) * | 2022-04-27 | 2024-06-18 | 中航光电科技股份有限公司 | Bayonet connector with anti-rollback and self-locking functions |
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| DE20003224U1 (en) * | 2000-02-23 | 2001-06-28 | Lumberg Karl Gmbh & Co | Electrical connector |
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| CN102544893A (en) | 2012-07-04 |
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Granted publication date: 20141008 Termination date: 20190202 |