CN214100008U - Multi-core connector and car coupler - Google Patents

Abstract

The utility model discloses a multi-core connector and a coupler, which comprises a socket module, a coupler module and a coupler module, wherein the socket module comprises a socket insulator, and a first cavity is arranged in the socket insulator; one end of the socket wiring sleeve is arranged in the first cavity, and the other end of the socket wiring sleeve extends to the outside of the first cavity; the jack comprises a first connecting end and a jack end, the first connecting end is detachably connected with the socket wiring sleeve, and the jack end extends to the outside of the socket insulator; the plug module comprises a plug insulator, and a second cavity is arranged in the plug insulator; one end of the plug wiring sleeve is arranged in the second cavity, and the other end of the plug wiring sleeve extends to the outside of the second cavity; the contact pin includes second link and contact pin end, and the second link can be dismantled with plug wiring cover and be connected, the contact pin end extends to the outside of plug insulator. The technical problem that the service life of the whole electric coupler is seriously shortened due to the fact that multi-core module pins or jacks cannot be replaced in the prior art is solved.

Description

Multi-core connector and car coupler

Technical Field

The utility model belongs to the technical field of the electric connector, especially, relate to a multicore connector and coupling.

Background

With the development of rail transit technology, due to the fact that vehicle use requirements are frequently subjected to reconnection and decommissioning operations, the requirement on the service life of the multi-core module corresponding to the electric coupler is higher and higher.

However, in the prior art, after any one front-end contact of the multi-core connector module is abnormally damaged or reaches the service life, the whole multi-core module needs to be detached, the original crimping cable needs to be cut and then crimped again in the process, so that the cable per se is shorter and shorter, the replacement frequency is severely limited, the overall service life of the electric coupler is shortened, the resource waste is caused, and the replacement process consumes longer time.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multicore connector to solve among the above-mentioned prior art multicore module contact pin or jack and can't change and lead to the technical problem that the whole life of electric coupling seriously shortens.

In order to realize the utility model aims at, the utility model adopts the following technical scheme:

a multi-core connector includes a multi-core connector,

a jack module, the jack module comprising,

the socket comprises a socket insulator, a first cavity and a second cavity, wherein the first cavity is arranged in the socket insulator;

one end of the socket wiring sleeve is arranged in the first cavity, and the other end of the socket wiring sleeve extends to the outside of the first cavity;

the jack comprises a first connecting end and a jack end, the first connecting end is detachably connected with the socket wiring sleeve, and the jack end extends to the outside of the socket insulator;

a plug module, the plug module comprising,

the plug insulator is internally provided with a second cavity;

one end of the plug wiring sleeve is arranged in the second cavity, and the other end of the plug wiring sleeve extends to the outside of the second cavity;

the plug comprises a plug insulator, a plug wire sleeve and a plug pin, wherein the plug pin is inserted into the plug hole, the plug pin comprises a second connecting end and a plug pin end, the second connecting end is detachably connected with the plug wire sleeve, and the plug pin end extends to the outside of the plug insulator.

Preferably, a first clamping portion is arranged on the inner wall of the first cavity, a first clamping surface is arranged on the socket wiring sleeve, and the first clamping portion is clamped in the first clamping surface, so that the socket wiring sleeve is fixed in the first cavity;

be provided with second joint portion on the inner wall of second cavity, be provided with the second joint face on the plug wiring sleeve, second joint portion card is gone into in the second joint face, make the plug wiring sleeve is fixed in the second cavity.

Preferably, the socket wiring sleeve is provided with a first connecting port, and an internal thread is arranged in the first connecting port; the first connecting end on the jack is provided with external threads, is inserted into the first connecting port and is connected with the first connecting port through threads, so that the jack is detachably connected with the socket wiring sleeve;

a second connecting port is arranged on the plug wiring sleeve, and an internal thread is arranged in the second connecting port; the second link on the contact pin is provided with the external screw thread, and the second link inserts in the second link and meets through the screw thread, realizes being connected with dismantling of plug wiring cover of contact pin.

Preferably, the socket module further comprises a socket housing, a first accommodating chamber is arranged in the socket housing, and the socket insulator is arranged in the first accommodating chamber;

the plug module further comprises a plug shell, a second containing chamber is arranged in the plug shell, and the plug insulator is arranged in the second containing chamber.

Preferably, the socket module further comprises an outer insulator, wherein a first mounting hole and a second mounting hole are arranged on the outer insulator side by side, the socket module is arranged in the first mounting hole, and the plug module is arranged in the second mounting hole.

Preferably, the device further comprises a first fixing piece and a second fixing piece;

an external thread is arranged at one end of the socket shell, and an internal thread is arranged on the first fixing piece; the first fixing piece is connected with the socket shell through threads; the socket shell is fixedly arranged in the first mounting hole through the first fixing piece;

one end of the plug shell is provided with an external thread, and the second fixing piece is provided with an internal thread; the second fixing piece is connected with the plug shell through threads; and the plug shell is fixedly arranged in the second mounting hole through the second fixing piece.

Preferably, a first flange is arranged on the inner wall of the first mounting hole;

a second flange is arranged at one end of the socket shell and is opposite to the first fixing piece, a first clamping groove is formed between the second flange and the first fixing piece, and the first flange is clamped in the first clamping groove;

a third flange is arranged on the inner wall of the second mounting hole;

one end of the plug shell is provided with a fourth flange, the fourth flange is opposite to the second fixing piece, a second clamping groove is formed between the fourth flange and the second fixing piece, and the second flange is clamped in the second clamping groove.

Preferably, a first anti-rotation groove is formed in the first mounting hole;

a first anti-rotation piece is arranged on the socket insulator and inserted into the first anti-rotation groove to prevent the socket module and the outer insulator from rotating relatively;

a second anti-rotation groove is formed in the second mounting hole;

and a second anti-rotation part is arranged on the plug insulator and inserted into the second anti-rotation groove to prevent the plug module and the outer insulator from rotating relatively.

Preferably, a first sealing ring is arranged between the first mounting hole and the socket module; and a second sealing ring is arranged between the second mounting hole and the plug module.

The coupler comprises an electric coupler, wherein a multi-core connector is arranged on the electric coupler, and the multi-core connector is any one of the multi-core connectors.

Compared with the prior art, the utility model discloses an advantage lies in with positive effect:

the utility model discloses a multi-core connector, which comprises a socket module and a plug module, wherein the socket module comprises a socket insulator, a first cavity is arranged in the socket insulator, a socket wiring sleeve and a jack are arranged in the first cavity, and the socket wiring sleeve and the jack are detachably connected; meanwhile, the plug module comprises a plug insulator, a second cavity is arranged in the plug insulator, a plug wiring sleeve and a contact pin are arranged in the second cavity, and the plug wiring sleeve and the contact pin are detachably connected. From this, when arbitrary contact pin or jack of multicore connector module damaged or reach life and need change because of the abnormity, only need to pull down contact pin or jack on socket wiring cover or plug wiring cover, then install new contact pin or jack on socket wiring cover or plug wiring cover, can accomplish the change of contact pin or jack, thereby need not to dismantle whole multicore module, also need not to come all contact body perfect crimps again simultaneously, need not to tailor crimping again with the crimping cable originally promptly, will not influence the whole life of electric coupling from this. The technical problem that the service life of the whole electric coupler is seriously shortened due to the fact that multi-core module pins or jacks cannot be replaced in the prior art is solved.

Drawings

Fig. 1 is a schematic view of the overall structure of the multi-core connector of the present invention;

fig. 2 is a cross-sectional view of the overall structure of the multi-core connector of the present invention;

fig. 3 is a sectional view 1 of the local structure of the multi-core connector of the present invention;

fig. 4 is a sectional view 2 of the local structure of the multi-core connector of the present invention;

fig. 5 is a schematic structural view of the outer insulator of the present invention;

fig. 6 is a schematic structural view of the socket insulator of the present invention;

fig. 7 is a schematic structural view of the plug insulator of the present invention;

fig. 8 is a schematic structural view of the socket wire sleeve of the present invention;

fig. 9 is a schematic structural view of the plug wire sleeve of the present invention;

fig. 10 is a schematic structural view of the middle plug hole of the present invention;

fig. 11 is a schematic structural view of the pin of the present invention;

fig. 12 is a schematic structural diagram of a socket housing according to the present invention;

fig. 13 is a schematic structural diagram of a plug housing according to the present invention;

in the above figures: 1. an outer insulator; 11. a first mounting hole; 111. a first flange; 12. a second mounting hole; 121. a second flange;

2. a socket module; 21. a socket insulator; 211. a first cavity; 212. a first clamping part; 22. a socket wiring sleeve; 221. a first clamping surface; 222. a first connection port; 223. a first open slot; 224. a first limit piece; 225. a second limiting member; 23. a jack; 231. a first connection end; 232. a jack end; 24. A socket housing; 241. a third flange; 242. a limiting flange; 25. a first card slot; 26. a first seal ring;

3. a plug module; 31. a plug insulator; 311. a second cavity; 312. a second clamping part; 32. a plug wiring sleeve; 321. a second clamping surface; 322. a second connection port; 323. a second open slot; 324. a third limiting member; 325. a fourth limiting member; 33. inserting a pin; 331. a second connection end; 332. a pin end; 34. A plug housing; 341. a fourth flange; 35. a second card slot; 36. a second seal ring;

4. a first anti-rotation slot; 5. a second anti-rotation slot; 6. a first rotation preventing member; 7. a second rotation prevention member; 8. a guide pin; 9. a first fixing member; 10. and a second fixing member.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "front", "rear", "first", "second", etc. indicate the positional relationship based on the positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present application, the terms "mounted," "connected," "fixed," and the like are used in a broad sense, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; either directly or through an intermediary profile. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Technical scheme in the embodiment of this application leads to the technical problem that electric coupler whole life seriously shortens for solving among the above-mentioned prior art multicore module front end can't change, and the general thinking is as follows:

the utility model discloses a multi-core connector, which comprises a socket module and a plug module, wherein the socket module comprises a socket insulator, a first cavity is arranged in the socket insulator, a socket wiring sleeve and a jack are arranged in the first cavity, and the socket wiring sleeve and the jack are detachably connected; meanwhile, the plug module comprises a plug insulator, a second cavity is arranged in the plug insulator, a plug wiring sleeve and a contact pin are arranged in the second cavity, and the plug wiring sleeve and the contact pin are detachably connected. From this, when arbitrary contact pin or jack of multicore connector module damaged or reach life and need change because of the abnormity, only need to pull down contact pin or jack on socket wiring cover or plug wiring cover, then install new contact pin or jack on socket wiring cover or plug wiring cover, can accomplish the change of contact pin or jack, thereby need not to dismantle whole multicore module, also need not to come all contact body perfect crimps again simultaneously, need not to tailor crimping again with the crimping cable originally promptly, will not influence the whole life of electric coupling from this. Therefore, the technical problem that the service life of the whole electric coupler is seriously shortened due to the fact that the multi-core module contact pin or jack in the prior art cannot be replaced is solved.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

A multi-core connector includes a multi-core connector,

a jack module 2, said jack module 2 comprising,

a socket insulator 21, a first cavity 211 being provided in the socket insulator 21;

the socket wiring sleeve 22, one end of the socket wiring sleeve 22 is arranged in the first cavity 211, and the other end of the socket wiring sleeve 22 extends to the outside of the first cavity 211;

a jack 23, wherein the jack 23 includes a first connection end 231 and a jack end 232, the first connection end 231 is detachably connected to the socket connection sleeve 22, and the jack end 232 extends to the outside of the socket insulator 21;

a plug module 3, said plug module 3 comprising,

a plug insulator 31, wherein a second cavity 311 is arranged in the plug insulator 31;

one end of the plug wiring sleeve 32 is arranged in the second cavity 311, and the other end of the plug wiring sleeve 32 extends to the outside of the second cavity 311;

a pin 33, the jack 23 includes a second connecting end 331 and a pin end 332, the second connecting end 331 is detachably connected to the plug terminal sleeve 32, and the pin end 332 extends to the outside of the plug insulator 31.

As shown in fig. 1, the multi-core connector includes an outer insulator 1, a receptacle module 2, and a plug module 3.

As shown in fig. 5, the exterior insulator 1 includes a first mounting hole 11 and a second mounting hole 12 which are arranged side by side, the receptacle module 2 is disposed in the first mounting hole 11, and the plug module 3 is disposed in the second mounting hole 12. The first mounting hole 11 penetrates the outer insulator 1, i.e., extends from one end of the outer insulator 1 to the other end thereof; meanwhile, a first flange 111 is provided on an inner wall of the first mounting hole 11. The second mounting hole 12 penetrates the outer insulator 1, i.e., extends from one end of the outer insulator 1 to the other end thereof; meanwhile, a third flange 121 is provided on an inner wall of the second mounting hole 12.

As shown in fig. 2, the receptacle module 2 includes a receptacle insulator 21, a receptacle wire sleeve 22, a receptacle 23, and a receptacle housing 24.

Specifically, the receptacle housing 24 is disposed in the first mounting hole 11, and a first receiving chamber, in which a receptacle insulator is disposed, is provided in the receptacle housing 24. Meanwhile, the first accommodating chamber is provided with the limit flange 242, the limit flange 242 is connected with the socket insulator 21, and the socket insulator 21 can be more stably arranged in the socket housing 24 by arranging the limit flange 242. Further, as shown in fig. 6, a first cavity 211 is provided in the socket insulator 21, and the first cavity 211 penetrates through the socket insulator 21, i.e., extends from one end of the socket insulator 21 to the other end thereof. Meanwhile, one end of the socket connection sleeve 22 is disposed in the first cavity 211, and the other end thereof extends to the outside of the first cavity 211.

In this embodiment, the inner wall of the first cavity 211 is further provided with a first clamping portion 212. The socket connection sleeve 22 is provided with a first clamping surface 221, and the structure of the first clamping portion 212 is matched with the structure of the first clamping surface 221, so that the first clamping portion 212 can be clamped into the first clamping surface 221, and the socket connection sleeve 22 is fixed in the first cavity 211.

As shown in fig. 8, the socket wire sleeve 22 includes a first wire sleeve cavity, the first wire sleeve cavity is provided with a first connection port 222, the first connection port 222 is provided with a plurality of first opening grooves 223 at intervals, and by setting the first opening grooves 223, the first connection port 222 has certain elasticity, so that the socket wire sleeve 22 can be inserted into the first cavity 211 of the socket insulator 21, and meanwhile, the insertion hole 23 can be inserted into the first wire sleeve cavity. Meanwhile, a first limiting member 224 is disposed at an outer end of the first connection port 222, a second limiting member 225 is disposed at another end of the socket connection sleeve 22 opposite to the first connection port 222, and the first engaging surface 221 is formed between the first limiting member 224 and the second limiting member 225. Therefore, by adopting the structure, the socket wiring sleeve 22 and the socket insulator 21 are clamped and fixed, and the socket wiring sleeve 22 can be stably arranged in the first cavity 211.

As shown in fig. 10, the receptacle 23 includes a first connection end 231 and a receptacle end 232, the first connection end 231 is detachably connected to the receptacle terminal block 22, and the receptacle end 232 extends to the outside of the receptacle insulator 21. Through adopting the first connection end 231 and the socket wiring sleeve 22 to be detachably connected, when any jack 23 of the multi-core connector module is damaged abnormally or needs to be replaced when the service life is reached, only the jack 23 needs to be detached from the socket wiring sleeve 22, and then a new jack 23 is installed on the socket wiring sleeve 22, so that the replacement of the jack 23 can be completed, and the technical problem that the whole service life of the electric coupler is seriously shortened due to the fact that the jack 23 of the multi-core module cannot be replaced in the prior art is solved.

In this embodiment, the first connector 222 is provided with an internal thread; meanwhile, the first connection end 231 of the insertion hole 23 is provided with an external thread, and the structure of the external thread is matched with the structure of the internal thread, so that the first connection end 231 can be inserted into the first connection port 222, and the first connection end 231 is connected with the first connection port 222 through the thread, so that the socket connection sleeve 22 is connected with the insertion hole 23 through the thread. When it is necessary to replace the insertion hole 23, it is only necessary to rotate the insertion hole 23 to unscrew it and then screw the new insertion hole 23 and the receptacle terminal 22 together. Therefore, the replacement of the jack 23 is realized by adopting the structure, the structure is simple and easy to operate, and the technical problem that the service life of the whole electric coupler is seriously shortened due to the fact that the multi-core module pin 33 cannot be replaced in the prior art is effectively solved.

As shown in fig. 3, the plug module 3 includes a plug insulator 31, a plug wire housing 32, a pin 33, and a plug housing 34.

As shown in fig. 7, the plug housing 34 is disposed in the second mounting hole 12, and a second receiving chamber is provided in the plug housing 34, in which the plug insulator 31 is disposed. A second cavity 311 is provided in the plug insulator 31, and the second cavity 311 penetrates the plug insulator 31, i.e., extends from one end of the plug insulator 31 to the other end thereof. Meanwhile, one end of the plug wire sleeve 32 is disposed in the second cavity 311, and the other end thereof extends to the outside of the second cavity 311.

In this embodiment, the inner wall of the second cavity 311 is further provided with a second clamping portion 312. The plug wire connecting sleeve 32 is provided with a second clamping surface 321, and the structure of the second clamping portion 312 is matched with the structure of the second clamping surface 321, so that the second clamping portion 312 can be clamped into the second clamping surface 321, and the plug wire connecting sleeve 32 is fixed in the second cavity 311.

Specifically, as shown in fig. 9, the plug wire connecting sleeve 32 includes a first wire connecting sleeve cavity, the first wire connecting sleeve cavity is provided with a second connection port 322, and a plurality of second opening grooves 323 are formed at the second connection port 322 at intervals, and by providing the second opening grooves 323, the second connection port 322 has certain elasticity, so that the plug wire connecting sleeve 32 can be conveniently inserted into the second cavity 311 of the plug insulator 31, and meanwhile, the insertion of the contact pin 33 into the second wire connecting sleeve cavity can be conveniently performed. Meanwhile, the outer end of the second connection port 322 is provided with a third limiting member 324, the other end of the plug wire sleeve 32 opposite to the second connection port 322 is provided with a fourth limiting member 325, and the second clamping surface 321 is formed between the third limiting member 324 and the fourth limiting member 325. Therefore, by adopting the structure, the plug wire sleeve 32 and the plug insulator 31 are clamped and fixed, and the plug wire sleeve 32 can be stably arranged in the second cavity 311.

Meanwhile, as shown in fig. 11, the pin 33 includes a second connection end 331 and a pin end 332, the second connection end 331 is detachably connected to the pin terminal housing 32, and the pin end 332 extends to the outside of the plug insulator 31. Through adopting and dismantling between second link 331 and the plug wiring cover 32 and being connected, when arbitrary contact pin 33 of multicore connector module damages or reaches life and needs to be changed because of unusual, only need to dismantle contact pin 33 down on plug wiring cover 32, then install new contact pin 33 on plug wiring cover 32, can accomplish the change of contact pin 33 to the unable change of contact pin 33 that leads to the whole life of electric coupling to shorten seriously technical problem among the prior art multicore module has been solved.

In this embodiment, the second connection port 322 is provided with an internal thread; meanwhile, an external thread is arranged on the second connecting end 331 of the pin 33, the structure of the external thread is matched with that of the internal thread, so that the second connecting end 331 can be inserted into the second connecting port 322, and the second connecting end 331 is connected with the second connecting port 322 through the thread, so that the plug wiring sleeve 32 is connected with the pin 33 through the thread. When it is desired to replace the pin 33, it is only necessary to turn the pin 33 to unscrew it and then screw the new pin 33 into the plug connection sleeve 32. Therefore, the contact pin 33 is replaced by adopting the structure, the structure is simple and easy to operate, and the technical problem that the whole service life of the electric coupler is seriously shortened due to the fact that the multi-core module contact pin 33 cannot be replaced in the prior art is effectively solved.

Further, a first anti-rotation groove 4 is formed in the first mounting hole 11, a first anti-rotation part 6 is arranged on the socket insulator 21, the structure of the anti-rotation part is matched with the structure of the first anti-rotation groove 4, so that the first anti-rotation part 6 can be inserted into the first anti-rotation groove 4, and therefore relative rotation between the socket module 2 and the outer insulator 1 is prevented through matching of the first anti-rotation groove 4 and the first anti-rotation part 6, and the socket module 2 can be more stably arranged in the first mounting hole 11 of the outer insulator.

Meanwhile, a second anti-rotation groove 5 is formed in the second mounting hole 12, a second anti-rotation part is arranged on the plug insulator 31, the structure of the anti-rotation part is matched with the structure of the second anti-rotation groove 5, so that the second anti-rotation part can be inserted into the second anti-rotation groove 5, and therefore the plug module 3 and the outer insulator 1 are prevented from rotating relatively through the matching of the second anti-rotation groove 5 and the second anti-rotation part, and the plug module 3 can be more stably arranged in the second mounting hole 12 of the outer insulator.

Further, a first fixing member 9 and a second fixing member 10 are provided on the multi-core connector. And the first fixing piece 9 and the second fixing piece 10 are provided with internal threads, one end part of the socket housing 24 is provided with external threads, and the structure of the external threads is matched with the internal threads of the first fixing piece, so that the first fixing piece 9 and the socket housing 24 are connected together through the threads, and the socket housing 24 can be fixedly arranged in the first mounting hole 11. Meanwhile, an external thread is provided at one end of the plug housing 34, and the structure of the external thread is matched with the internal thread of the second fixing member, so that the second fixing member is connected with the plug housing 34 through the thread, and the plug housing 34 can be fixedly disposed in the second mounting hole 12.

Further, as shown in fig. 12 and 13, one end of the socket housing 24 is provided with a third flange 241, the third flange 241 is disposed opposite to the first fixing element 9, a first slot 25 is formed between the third flange 241 and the first fixing element 9, and the first flange 111 is clamped in the first slot 25. A second flange 121 is disposed on an inner wall of the second mounting hole 12, a fourth flange 341 is disposed at one end of the plug housing 34, the fourth flange 341 is disposed opposite to the second fixing member 10, a second locking groove 35 is formed between the fourth flange 341 and the second fixing member 10, and the second flange 121 is locked in the second locking groove 35. By adopting the above structure, the plug housing 34 is also more stably arranged in the second mounting hole 12.

Further, a first sealing ring 26 is arranged between the first mounting hole 11 and the socket module; a second sealing ring 36 is arranged between the second mounting hole and the plug module.

In summary, the socket module 2 and the plug module 3 can be stably arranged on the outer insulator 1 by adopting the above structure, the socket wiring sleeve 22 can be stably arranged in the first cavity 211 of the socket insulator 21 by adopting the clamping structure between the socket insulator 21 and the socket wiring sleeve 22, and the socket wiring sleeve 22 and the jack 23 are connected by adopting the thread, so that the socket wiring sleeve 22 and the jack 23 can be detached and replaced; similarly, the plug wiring sleeve 32 can be stably arranged in the second cavity 311 of the plug insulator 31 through the clamping structure between the plug insulator 31 and the plug wiring sleeve 32, and meanwhile, the plug wiring sleeve 32 and the contact pin 33 are connected through threads, so that the plug wiring sleeve 32 and the contact pin 33 can be detached and replaced. Therefore, by adopting the structure, the technical problem that the service life of the whole electric coupler is seriously shortened due to the fact that the multi-core module pin 33 or the jack 23 cannot be replaced in the prior art is solved.

Claims (10)

1. A multi-core connector is characterized by comprising,

a jack module, the jack module comprising,

the socket comprises a socket insulator, a first cavity and a second cavity, wherein the first cavity is arranged in the socket insulator;

one end of the socket wiring sleeve is arranged in the first cavity, and the other end of the socket wiring sleeve extends to the outside of the first cavity;

the jack comprises a first connecting end and a jack end, the first connecting end is detachably connected with the socket wiring sleeve, and the jack end extends to the outside of the socket insulator;

a plug module, the plug module comprising,

the plug insulator is internally provided with a second cavity;

one end of the plug wiring sleeve is arranged in the second cavity, and the other end of the plug wiring sleeve extends to the outside of the second cavity;

the plug comprises a plug insulator, a plug wire sleeve and a plug pin, wherein the plug pin is inserted into the plug hole, the plug pin comprises a second connecting end and a plug pin end, the second connecting end is detachably connected with the plug wire sleeve, and the plug pin end extends to the outside of the plug insulator.

2. The multi-fiber connector of claim 1,

a first clamping portion is arranged on the inner wall of the first cavity, a first clamping surface is arranged on the socket wiring sleeve, and the first clamping portion is clamped into the first clamping surface, so that the socket wiring sleeve is fixed in the first cavity;

be provided with second joint portion on the inner wall of second cavity, be provided with the second joint face on the plug wiring sleeve, second joint portion card is gone into in the second joint face, make the plug wiring sleeve is fixed in the second cavity.

3. The multi-core connector as claimed in claim 1 or 2,

a first connecting port is arranged on the socket connecting sleeve, and an internal thread is arranged in the first connecting port; the first connecting end on the jack is provided with external threads, is inserted into the first connecting port and is connected with the first connecting port through threads, so that the jack is detachably connected with the socket wiring sleeve;

a second connecting port is arranged on the plug wiring sleeve, and an internal thread is arranged in the second connecting port; the second link on the contact pin is provided with the external screw thread, and the second link inserts in the second link and meets through the screw thread, realizes being connected with dismantling of plug wiring cover of contact pin.

4. The multi-core connector as claimed in claim 3,

the socket module further comprises a socket housing, a first accommodating chamber is arranged in the socket housing, and the socket insulator is arranged in the first accommodating chamber;

the plug module further comprises a plug shell, a second containing chamber is arranged in the plug shell, and the plug insulator is arranged in the second containing chamber.

5. The multi-core connector as claimed in claim 4, further comprising an outer insulator having a first mounting hole and a second mounting hole disposed side by side, wherein the receptacle module is disposed in the first mounting hole and the plug module is disposed in the second mounting hole.

6. The multiconnector connector of claim 5, further comprising a first securing member and a second securing member;

an external thread is arranged at one end of the socket shell, and an internal thread is arranged on the first fixing piece; the first fixing piece is connected with the socket shell through threads; the socket shell is fixedly arranged in the first mounting hole through the first fixing piece;

one end of the plug shell is provided with an external thread, and the second fixing piece is provided with an internal thread; the second fixing piece is connected with the plug shell through threads; and the plug shell is fixedly arranged in the second mounting hole through the second fixing piece.

7. The multi-core connector of claim 6,

a first flange is arranged on the inner wall of the first mounting hole;

a second flange is arranged at one end of the socket shell and is opposite to the first fixing piece, a first clamping groove is formed between the second flange and the first fixing piece, and the first flange is clamped in the first clamping groove;

a third flange is arranged on the inner wall of the second mounting hole;

one end of the plug shell is provided with a fourth flange, the fourth flange is opposite to the second fixing piece, a second clamping groove is formed between the fourth flange and the second fixing piece, and the second flange is clamped in the second clamping groove.

8. The multi-fiber connector of claim 5,

a first anti-rotation groove is formed in the first mounting hole;

a first anti-rotation piece is arranged on the socket insulator and inserted into the first anti-rotation groove to prevent the socket module and the outer insulator from rotating relatively;

a second anti-rotation groove is formed in the second mounting hole;

and a second anti-rotation part is arranged on the plug insulator and inserted into the second anti-rotation groove to prevent the plug module and the outer insulator from rotating relatively.

9. The multi-fiber connector of claim 5, wherein a first sealing ring is disposed between the first mounting hole and the receptacle module; and a second sealing ring is arranged between the second mounting hole and the plug module.

10. The coupler is characterized by comprising an electric coupler, wherein a multi-core connector is arranged on the electric coupler, and the multi-core connector is any one of the connectors 1-9.

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