CN217656146U - A kind of interface unit - Google Patents

Abstract

The utility model discloses a connector, which comprises a plug, a shell and a connecting piece, wherein the plug comprises a plug shell; the socket is matched with the plug and comprises a socket shell; the socket lock ring is rotatably connected to the socket shell and forms an accommodating space for the plug shell and the socket shell to be matched after being assembled and connected to the socket shell; the front end of the plug shell, which extends into the accommodating space, is provided with a limiting groove with an opening facing the direction of the socket shell, and correspondingly, the inner wall of the socket lock ring is provided with a locking part which is matched with the limiting groove for locking. The utility model discloses a cooperation of spacing groove and locking portion can easily realize inserting of plug and socket, and is convenient and reliable to inserting.

Description

A kind of interface unit

Technical Field

The utility model relates to a technical field of connector especially relates to a connector.

Background

With the increase of the sales volume of new energy automobiles, charging the automobiles at any time and any place is one of the problems which are urgently needed to be solved, therefore, various connectors are developed one after another, with the increase of the types of the connectors, higher requirements are placed on the safety and the applicability of the connectors, and because the socket types of each country are different, the connectors are not convenient to interchange and apply during charging. At present, the connector on the market has following defect, 1, be difficult for to inserting the assembly, and easily misplug and pull out and cause the potential safety hazard: the existing connector uses a push-pull self-locking structure, the inserting direction and the unlocking direction are in the same direction, an electronic lock is added between a socket end metal shell and an encapsulation body to prevent mistaken insertion and pulling in the charging process, and the structure is complicated in use and has potential safety hazards due to improper operation; 2. the line making efficiency is low, and the time is consumed: core and clamp plate adopt two bodies components of a whole that can function independently structure are glued to current connector, and this structure is done the line and is more difficult and waste time and energy 3, plug power is too big: the tail of the existing connector adopts a structure of encapsulating glue and rubber as well as inner and outer rubber, so that the plugging force of the connector is too large due to air holding; 4. poor waterproof performance: the existing connector has IPX5 protection performance and can not meet the requirement of people on high protection performance.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The to-be-solved technical problem of the utility model is to provide a connector, through the cooperation of spacing groove and locking portion, can easily realize inserting of plug and socket, and unblock direction and insertion direction inconsistent prevent that the mistake in the operation process from inserting and pull out, reduce the potential safety hazard.

(II) technical scheme

The utility model provides a scheme that above-mentioned technical problem adopted is a connector, include

A plug including a plug housing;

the socket is matched with the plug and comprises a socket shell;

the socket lock ring is rotatably connected to the socket shell and forms an accommodating space for the plug shell and the socket shell to be matched after being assembled and connected to the socket shell;

the front end of the plug shell, which extends into the accommodating space, is provided with a limiting groove with an opening facing the direction of the socket shell, and correspondingly, the inner wall of the socket lock ring is provided with a locking part which is matched with the limiting groove for locking.

Preferably, one end of the plug shell, which is matched with the socket shell and is oppositely inserted, is the front end of the plug shell, which extends into the accommodating space, the outer wall of the front end is provided with the limiting groove, and the inner wall of the limiting groove is matched with the outer wall of the socket shell.

Specifically, when the plug is required to be inserted in the opposite direction, after the plug shell extends into the accommodating space, the locking part of the plug shell is matched and locked in the limiting groove of the socket locking ring, and the opposite insertion of the plug and the socket is completed; when the plug needs to be pulled out, the locking part is operated to be separated from the limiting groove, and the plug and the socket are pulled out in a separated mode.

Further, the limiting groove comprises an access groove for the locking part to enter and exit and a locking groove for preventing the locking part from disengaging; the locking groove comprises an axial stopping part for preventing the locking part from axially disengaging and a radial stopping part which is arranged close to one end of the in-out groove and used for limiting the radial rotation of the locking part and can axially disengage.

Preferably, the outer surface of the socket lock ring is provided with an opposite insertion mark and an unlocking direction mark, the opposite insertion mark is used for the alignment position of an operator to be inserted, and the unlocking direction mark is used for the operator to clearly unlock the rotating direction; the operation is more simple, convenient and clear.

Specifically, during opposite insertion, an operator only needs to align the locking part with the inlet and outlet groove according to the opposite insertion mark and slide inwards along the inlet and outlet groove, when the locking part is inserted in place, the click sound can be heard, the socket locking ring automatically resets or the operator rotates the socket locking ring, so that the locking part enters the locking groove, opposite insertion locking of the plug and the socket is completed, the locking part is limited by the axial stop part, separation in the axial direction cannot occur, and locking is firmer; when the plug is pulled out, an operator rotates the socket lock ring according to the unlocking direction mark until the lock part is limited by the radial stop part, the socket lock ring rotates still at the moment, the lock part is just aligned with the in-out groove, and then the lock part slides out from the in-out groove and is separated from the limiting groove, so that the plug and the socket are separated and pulled out.

Furthermore, the socket shell is provided with a limiting piece used for limiting the axial movement of the socket lock ring and a resetting piece applied to the socket lock ring with a resetting force opposite to the direction of the rotary unlocking of the socket lock ring.

Preferably, the limiting member includes a snap spring, the reset member includes a compression spring, and is in a compressed state when being installed in the socket housing, and meanwhile, the socket lock ring continuously compresses the compression spring when rotating in the unlocking direction.

Specifically, the limiting piece is used for fixing the socket locking ring and preventing the socket locking ring from axially separating from the socket shell; when the socket lock ring is inserted in place, the locking part of the socket lock ring enters the in-out groove, and then the reset piece gives a reset force to the socket lock ring to enable the socket lock ring to rotate and reset in the direction opposite to the unlocking direction, so that the locking part is driven to be locked in the locking groove; meanwhile, after the plug and the socket are pulled out, the reset piece gives a reset force to the socket lock ring to enable the socket lock ring to rotate and reset in the direction opposite to the unlocking direction.

Further, an adapting groove for adapting the reset piece is formed in the socket shell, and correspondingly, a rotating part capable of rotating along the adapting groove is arranged on the inner wall of the socket lock ring; and one end of the reset piece is connected with the contact rotating part, and the other end of the reset piece is connected with one end, far away from the rotating part, of the adapting groove.

Preferably, one end of the adapting groove close to the inserting end is provided with a first inlet for the rotating part to enter, when the socket lock ring is assembled to the socket shell, the rotating part enters the adapting groove through the first inlet, and the resetting piece in the adapting groove provides a force opposite to the unlocking direction to the rotating part, so that the rotating part is abutted against the adapting groove and cannot be axially separated.

Furthermore, the socket shell is further provided with a limiting groove for limiting the rotation amplitude of the socket lock ring, and correspondingly, the inner wall of the socket lock ring is further provided with a rotation limiting part matched with the limiting groove.

Preferably, one end of the limiting groove close to the insertion end is provided with a second inlet for the rotation limiting part to pass through, after the socket lock ring is assembled to the socket housing, the rotation limiting part enters the limiting groove from the second inlet, and the limiting groove is arranged to prevent the socket lock ring from rotating excessively, so that the reset piece is compressed excessively and damaged.

Furthermore, a clamping groove for clamping the limiting piece is formed in the socket shell, and the limiting piece partially extends out of the clamping groove; correspondingly, an abutting part which abuts against one end, far away from the inserting position of the socket shell and the plug shell, of the limiting part is arranged on the inner wall of the socket lock ring.

Specifically, the abutting part is formed by extending the inner wall of the socket lock ring inwards and is limited by the resetting piece to prevent the socket lock ring from axially disengaging.

Furthermore, a clamping groove for clamping the limiting piece is formed in the socket shell, and the limiting piece partially extends out of the clamping groove; correspondingly, a retainer ring is arranged between the socket lock ring and the socket shell, and the retainer ring is arranged at one end of the limiting piece, which is far away from the insertion joint of the socket shell and the plug shell; the outer wall of the retainer ring contacts the inner wall of the socket lock ring, and the bottom of the retainer ring abuts against the step end face formed by outward extension of the socket shell, so that the socket lock ring is prevented from moving radially in the using process; and the retainer ring is provided with a step surface used for matching with the extending part of the limiting part, and the step surface of the retainer ring is limited by the resetting part, so that the socket lock ring can be fixed and prevented from axially separating.

Furthermore, the inside of plug housing is provided with first fool-proof portion, and correspondingly, the outside of socket housing is provided with the second fool-proof portion of first fool-proof portion looks adaptation.

Preferably, the first fool-proof portion includes a plurality of grooves or ribs with different sizes disposed on an inner wall of the plug housing, and correspondingly, the second fool-proof portion includes a plurality of ribs or grooves with different sizes disposed on an outer wall of the socket housing; the misplugging can be further prevented, and the assembly efficiency is improved.

Furthermore, the plug also comprises a plug rubber core assembly arranged in the plug shell, a plug terminal arranged in the plug rubber core assembly and a plug cable connected with the plug rubber core assembly, wherein the plug rubber core assembly comprises a plug rubber core and a plug pressing plate detachably connected with the plug rubber core;

the socket is still including locating socket in the socket casing glues the core subassembly, locates socket terminal in the core subassembly is glued to the socket and with the socket cable that the core subassembly is connected is glued to the socket, the core subassembly is glued to the socket include the socket glue the core and with the socket clamp plate that the core can be dismantled to the socket glue the core and connect.

Preferably, the plug rubber core is provided with a plurality of buckles or clamping grooves, the plug pressing plate is provided with a plurality of clamping grooves or buckles, and a two-body buckling structure is adopted, so that buckling between the plug pressing plate and the clamping grooves is realized; the socket rubber core is provided with a plurality of buckles or clamping grooves, the socket pressing plate is provided with a plurality of clamping grooves or buckles, a two-body buckling structure is adopted, and buckling between the two is achieved.

When the plug rubber core and the socket rubber core are assembled, the hole sites on the plug pressing plate and the socket pressing plate are aligned by automatic alignment when the plug rubber core and the socket rubber core are assembled, and then the plug rubber core and the plug pressing plate are buckled together and the socket rubber core and the socket pressing plate are buckled together, so that the plug rubber core, the clamping jaws and the plug pressing plate form a plug rubber core assembly; the socket rubber core, the clamping jaw and the socket pressing plate form a socket rubber core assembly; the plug cable and the socket cable which are well crimped with the plug terminal and the socket terminal are respectively pressed into the plug rubber core assembly and the socket rubber core assembly, and the structure is simple and convenient to operate and saves efficiency.

Furthermore, a plug-in sealing ring is arranged between the socket shell and the plug shell;

rubber core sealing rings are arranged between the plug shell and the plug rubber core and between the socket shell and the socket rubber core;

terminal sealing rings are arranged between the plug rubber core assembly and the plug terminal and between the socket rubber core assembly and the socket terminal;

cable sealing rings are arranged between the plug shell and the plug cable and between the socket shell and the socket cable;

wire sealing bodies are arranged in the plug cable and the socket cable.

By adopting the scheme, the waterproof requirement of IPX7 of a product can be ensured, and the performance protection requirement of people in use under severe environment is met.

(III) advantageous effects

Compared with the prior art, the utility model designs a connector,

(1) The utility model can easily realize the opposite insertion of the plug and the socket through the matching of the limiting groove and the locking part, the opposite insertion is convenient and reliable, the unlocking direction is inconsistent with the inserting direction, the mistaken insertion and pulling in the operation process are prevented, and the potential safety hazard is reduced;

(2) The plug rubber core component and the socket rubber core component of the utility model adopt a two-body buckling structure, and the assembly is simple and easy to operate and has high efficiency;

(3) The utility model adopts the structural design of buckling and assembling except the outer rubber coating mold, and the assembling mode reduces the risk of large insertion and extraction force caused by the inner gas blocking of the product due to rubber coating or rubber filling, and the reasonable insertion and extraction force can meet the good experience of people on the product;

(4) The utility model discloses set up many sealing washer and the sealing wire body, can guarantee the waterproof requirement of IPX7 of product, performance protection requirement when satisfying people and using under adverse circumstances.

Drawings

Fig. 1 is a schematic view of a connector according to a first embodiment;

FIG. 2 is an enlarged schematic view of the point A in FIG. 1;

FIG. 3 is a schematic cross-sectional view of the plug housing, the receptacle housing, and the receptacle lock ring according to the first embodiment;

FIG. 4 is an enlarged view of the point B in FIG. 3;

fig. 5 is an exploded view of the plug housing, the receptacle housing, and the receptacle lock ring according to the first embodiment;

FIG. 6 is a cross-sectional view of the receptacle housing and the receptacle lock ring according to the first embodiment;

FIG. 7 is a schematic view of a receptacle housing according to the first embodiment;

FIG. 8 is a schematic cross-sectional view of a connector according to the first embodiment;

FIG. 9 is an enlarged view of the point C in FIG. 8;

fig. 10 is an exploded view of the receptacle glue core assembly according to the first embodiment;

fig. 11 is an exploded view of the plug housing, the socket housing, and the socket locking ring according to the second embodiment;

fig. 12 is an exploded view of the receptacle glue core assembly of the third and fourth embodiments.

Description of the reference numerals: 1. a plug; 11. a plug housing; 111. a limiting groove; 111-1, an inlet and outlet groove; 111-2, locking groove; 111-2a, an axial stop portion; 111-2b, radial stop portion; 112. a first fool-proof portion; 12. a plug rubber core assembly; 121. a plug rubber core; 122. a plug pressing plate; 13. a plug terminal; 14. a plug cable; 2. a socket; 21. a socket housing; 211. a second fool-proof portion; 212. an adaptation groove; 212-1, a first access port; 213. a limiting groove; 213-1, a second access port; 214. a clamping groove; 22. a socket glue core assembly; 221. a socket rubber core; 222. a socket pressure plate; 23. a socket terminal; 24. a receptacle cable; 3. a socket lock ring; 31. an accommodating space; 32. a lock section; 33. a rotating part; 34. a rotation restricting section; 35. an abutting portion; 4. a limiting member; 5. a reset member; 6. a retainer ring; 7. a jaw; 101. oppositely inserting the sealing rings; 102. a rubber core sealing ring; 103. a terminal seal ring; 104. a cable seal ring; 105. sealing the wire body; 106. a first buckle; 107. a first card slot; 108. a second card slot; 109. and a second buckle.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Fig. 10 and 12 show the exploded view of the receptacle glue core assembly, but the plug glue core assembly also adopts the same two-body snap structure.

The first embodiment is as follows:

as shown in fig. 1 to 10, a connector of the present embodiment includes a plug 1 including a plug housing 11; a socket 2 adapted to the plug 1 and including a socket housing 21; a socket lock ring 3, which is provided with a cavity therein and is rotatably connected to the socket housing 21, and an accommodating space 31 for the plug housing 11 and the socket housing 21 to be matched with each other is formed after the socket lock ring 3 is assembled and connected to the socket housing 21; a limiting groove 111 with an opening facing the direction of the socket housing 21 is formed at the front end of the plug housing 11 extending into the accommodating space 31, and correspondingly, a locking portion 32 locked with the limiting groove 111 is formed on the inner wall of the socket lock ring 3. Specifically, when the plug housing 11 needs to be inserted into the accommodating space 31, the locking portion 32 is locked in the limiting groove 111 of the socket locking ring 3 in a matching manner, so that the plug 1 and the socket 2 are inserted into each other; when the plug needs to be pulled out, the locking part 32 is operated to be separated from the limiting groove 111, and the plug 1 and the socket 2 are separated and pulled out. Further, the limiting groove 111 comprises an in-out groove 111-1 for the locking part 32 to go in and out, and a locking groove 111-2 for preventing the locking part 32 from disengaging; the locking groove 111-2 includes an axial stop portion 111-2a for preventing the axial disengagement of the locking portion 32, and a radial stop portion 111-2b disposed near one end of the slot 111-1 for limiting the radial rotation of the locking portion 32 and allowing the axial disengagement. Preferably, the outer surface of the socket lock ring 3 is provided with an opposite insertion mark and an unlocking direction mark, the opposite insertion mark is used for inserting and combining the alignment position of an operator, and the unlocking direction mark is used for the rotation direction of the operator for clearly unlocking; the operation is more simple, convenient and clear. Specifically, during opposite insertion, an operator only needs to align the locking part 32 with the inlet and outlet groove 111-1 according to an opposite insertion mark and slide inwards along the inlet and outlet groove 111-1, when the locking part 32 is inserted in place, a click sound can be heard, the socket locking ring 3 automatically resets, the locking part 32 enters the locking groove 111-2, opposite insertion locking of the plug 1 and the socket 2 is completed, the locking part 32 is limited by the axial stop part 111-2a, separation in the axial direction cannot occur, and locking is firmer; when the plug is pulled out, an operator rotates the socket locking ring 3 according to the unlocking direction mark until the locking part 32 is limited by the radial stop part 111-2b, at the moment, the socket locking ring 3 does not rotate, the locking part 32 is just aligned with the inlet and outlet groove 111-1, and then the locking part 32 slides out of the inlet and outlet groove 111-1 and is separated from the limiting groove 111, so that the plug 1 and the socket 2 are separated and pulled out. Further, the receptacle housing 21 is provided with a stopper 4 for restricting the axial movement of the receptacle lock ring 3, and a reset member 5 for applying a reset force to the receptacle lock ring 3 in a direction opposite to the rotational unlocking direction thereof. Preferably, the limiting member 4 is a snap spring, the reset member 5 is a compression spring, and is in a compressed state when being installed in the socket housing 21, and meanwhile, the socket lock ring 3 continuously compresses the compression spring when rotating in the unlocking direction. Specifically, the stopper 4 is used for fixing the socket lock ring 3 and preventing the socket lock ring 3 from axially disengaging from the socket housing 21; when the plug is plugged in, after the locking parts 32 of the socket lock ring 3 enter the in-out grooves 111-1 and are inserted in place, the reset piece 5 gives a reset force to the socket lock ring 3 to enable the socket lock ring 3 to rotate and reset in the direction opposite to the unlocking direction, and then the locking parts 32 are driven to be locked in the locking grooves 111-2; at the same time, after the plug 1 and the socket 2 are pulled out, the reset piece 5 also gives a reset force to the socket lock ring 3 to make it rotate and reset in the direction opposite to the unlocking direction.

Further, an adapting groove 212 for adapting to the reset piece 5 is provided on the socket housing 21, and correspondingly, a rotating part 33 capable of rotating along the adapting groove 212 is provided on an inner wall of the socket lock ring 3; one end of the reset piece 5 is connected to the contact rotating part 33, and the other end is connected to one end of the adapting groove 212 far away from the rotating part 33. Preferably, one end of the adapting groove 212 close to the inserting end is provided with a first access hole 212-1 for the rotating part 33 to enter, when the socket lock ring 3 is assembled to the socket housing 21, the rotating part 33 enters the adapting groove 212 through the first access hole 212-1, and the reset piece 5 in the adapting groove 212 gives a force to the rotating part 33 opposite to the unlocking direction, so that the rotating part 33 is abutted against the adapting groove 212 and does not axially disengage. Further, the socket housing 21 is further provided with a limiting groove 213 for limiting the rotation amplitude of the socket lock ring 3, and correspondingly, the inner wall of the socket lock ring 3 is further provided with a rotation limiting portion 34 adapted to the limiting groove 213. Preferably, one end of the limiting groove 213 near the insertion end is provided with a second access opening 213-1 for the rotation limiting part 34 to pass through, when the receptacle lock ring 3 is assembled to the receptacle housing 21, the rotation limiting part 34 enters the limiting groove 213 through the second access opening 213-1, and the limiting groove 213 is configured to prevent the receptacle lock ring 3 from rotating excessively, so that the reset piece 5 is compressed excessively and damaged. Further, an engaging groove 214 for engaging the retaining member 4 is provided on the socket housing 21, and the retaining member 4 partially protrudes out of the engaging groove 214; correspondingly, an abutting part 35 abutting against one end of the limiting part 4 far away from the insertion position of the socket shell 21 and the plug shell 11 is arranged on the inner wall of the socket lock ring 3. Specifically, the abutting portion 35 is formed by extending the inner wall of the receptacle lock ring 3 inward, and is restricted by the reset member 5, preventing the receptacle lock ring 3 from being axially removed.

Further, the inside of the plug housing 11 is provided with a first fool-proof portion 112, and correspondingly, the outside of the socket housing 21 is provided with a second fool-proof portion 211 adapted to the first fool-proof portion 112. Preferably, the first fool-proof portion 112 includes three grooves with different sizes on the inner wall of the plug housing 11, and correspondingly, the second fool-proof portion 211 includes three ribs with different sizes on the outer wall of the socket housing 21; the misplugging can be further prevented, and the assembly efficiency is improved.

Further, the plug 1 further includes a plug rubber core assembly 12 disposed in the plug housing 11, a plug terminal 13 disposed in the plug rubber core assembly 12, and a plug cable 14 connected to the plug rubber core assembly 12, where the plug rubber core assembly 12 includes a plug rubber core 121 and a plug pressing plate 122 detachably connected to the plug rubber core 121; the socket 2 further comprises a socket rubber core assembly 22 arranged in the socket shell 21, a socket terminal 23 arranged in the socket rubber core assembly 22, and a socket cable 24 connected with the socket rubber core assembly 22, wherein the socket rubber core assembly 22 comprises a socket rubber core 221 and a socket pressing plate 222 detachably connected with the socket rubber core 221. Preferably, the plug rubber core 121 and the socket rubber core 221 are both provided with three first buckles 106, and correspondingly, the plug pressing plate 122 and the socket pressing plate 222 are correspondingly provided with three first clamping grooves 107. During assembly, a plurality of clamping jaws 7 with different sizes are arranged in the plug pressing plate 122 and the socket pressing plate 222, (the clamping jaws 7 are used for axially positioning the plug terminal 13 and the socket terminal 23 and preventing the terminals from withdrawing PIN), hole positions on the plug pressing plate 122 and the socket pressing plate 222 are aligned with hole positions of the plug rubber core 121 and the plug pressing plate 122 and the socket rubber core 221 and the socket pressing plate 222 through automatic alignment when the plug rubber core 121 and the socket rubber core 221 are arranged, and then the plug rubber core 121 and the plug pressing plate 122 are buckled together and the socket rubber core 221 and the socket pressing plate 222 are buckled together, so that the plug rubber core 121, the clamping jaws 7 and the plug pressing plate 122 form a plug rubber core assembly 12; the socket rubber core 221, the claws 7 and the socket pressing plate 222 form a socket rubber core component 22; the plug cable 14 and the socket cable 24 which are crimped with the plug terminal 13 and the socket terminal 23 are respectively pressed into the plug rubber core component 12 and the socket rubber core component 22, and the structure is not only simple and convenient to operate, but also saves efficiency.

Further, a butt-inserting sealing ring 101 is arranged between the socket shell 21 and the plug shell 11; rubber core sealing rings 102 are arranged between the plug shell 11 and the plug rubber core 121 and between the socket shell 21 and the socket rubber core 221; terminal sealing rings 103 are arranged between the plug rubber core component 12 and the plug terminal 13 and between the socket rubber core component 22 and the socket terminal 23; cable gaskets 104 are provided between the plug housing 11 and the plug cable 14, and between the socket housing 21 and the socket cable 24; a wire sealing body 105 is arranged in the plug cable 14 and the socket cable 24. By adopting the scheme, the waterproof requirement of IPX7 of a product can be ensured, and the performance protection requirement of people in use under severe environment is met.

Example two:

the present embodiment is different from the first embodiment in that:

as shown in fig. 11, the socket housing 21 of the present embodiment is provided with an engaging groove 214 for engaging the retaining member 4, and the retaining member 4 is partially disposed to extend out of the engaging groove 214; correspondingly, a retainer ring 6 is arranged between the socket lock ring 3 and the socket shell 21, and the retainer ring 6 is arranged at one end of the limiting piece 4 away from the insertion joint of the socket shell 21 and the plug shell 11; wherein, the outer wall of the retainer ring 6 contacts the inner wall of the socket lock ring 3, and the bottom of the retainer ring 6 abuts against the step end face formed by the outward extension of the outer wall of the socket shell 21, so as to prevent the socket lock ring 3 from radial movement in the use process; and the retainer ring 6 is provided with a step surface for matching with the extending part of the limiting piece 4, and the step surface of the retainer ring 6 is limited by the resetting piece 5, so that the socket lock ring 3 can be fixed and prevented from axially separating.

Example three:

the present embodiment is different from the first embodiment in that:

as shown in fig. 12, the plug rubber core 121 and the socket rubber core 221 of the present embodiment extend out of two second slots 108, and correspondingly, two second fasteners 109 correspondingly extend out of the plug pressing plate 122 and the socket pressing plate 222.

Example four:

the present embodiment is different from the second embodiment in that:

as shown in fig. 12, the plug rubber core 121 and the socket rubber core 221 of this embodiment extend out of two second card slots 108, and correspondingly, the plug pressing plate 122 and the socket pressing plate 222 correspondingly extend out of two second fasteners 109.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A connector, characterized by: comprises that

A plug (1) comprising a plug housing (11);

a socket (2) adapted to the plug (1) and including a socket housing (21);

the socket lock ring (3) is rotatably connected to the socket shell (21), and an accommodating space (31) for the plug shell (11) and the socket shell (21) to be matched is formed after the socket lock ring (3) is assembled and connected to the socket shell (21);

the front end of the plug shell (11) extending into the accommodating space (31) is provided with a limiting groove (111) with an opening facing the direction of the socket shell (21), and correspondingly, the inner wall of the socket lock ring (3) is provided with a locking part (32) matched and locked with the limiting groove (111).

2. The connector according to claim 1, wherein: the limiting groove (111) comprises an access groove (111-1) for the locking part (32) to access and a locking groove (111-2) for preventing the locking part (32) from disengaging; the locking groove (111-2) comprises an axial stop part (111-2 a) for preventing the locking part (32) from axially disengaging and a radial stop part (111-2 b) which is arranged close to one end of the in-out groove (111-1) and used for limiting the locking part (32) to radially rotate and axially disengage.

3. The connector of claim 1, wherein: the socket shell (21) is provided with a limiting piece (4) used for limiting the axial movement of the socket lock ring (3), and a resetting piece (5) applying a resetting force to the socket lock ring (3) opposite to the direction of the rotary unlocking of the socket lock ring.

4. The connector of claim 3, wherein: an adapting groove (212) for adapting the resetting piece (5) is formed in the socket shell (21), and correspondingly, a rotating part (33) capable of rotating along the adapting groove (212) is arranged on the inner wall of the socket lock ring (3); and one end of the reset piece (5) is connected with the contact rotating part (33), and the other end of the reset piece is connected with one end, far away from the rotating part (33), of the adapting groove (212).

5. The connector of claim 4, wherein: the socket shell (21) is further provided with a limiting groove (213) used for limiting the rotation amplitude of the socket lock ring (3), and correspondingly, the inner wall of the socket lock ring (3) is further provided with a rotation limiting part (34) matched with the limiting groove (213).

6. The connector according to claim 3, wherein: the socket shell (21) is provided with a clamping groove (214) for clamping the limiting piece (4), and the limiting piece (4) partially extends out of the clamping groove (214) to be arranged; correspondingly, an abutting part (35) abutting against one end, far away from the inserting position of the socket shell (21) and the plug shell (11), of the limiting part (4) is arranged on the inner wall of the socket lock ring (3).

7. The connector of claim 3, wherein: the socket shell (21) is provided with an engaging groove (214) for engaging the limiting piece (4), and the limiting piece (4) partially extends out of the engaging groove (214) to be arranged; correspondingly, a retainer ring (6) is arranged between the socket lock ring (3) and the socket shell (21), and the retainer ring (6) is arranged at one end, far away from the insertion joint of the socket shell (21) and the plug shell (11), of the limiting piece (4); the outer wall of the retainer ring (6) is in contact with the inner wall of the socket lock ring (3), the bottom of the retainer ring (6) abuts against the step end face of the socket shell (21), and the retainer ring (6) is provided with a step face used for matching with the extending part of the limiting piece (4).

8. The connector of claim 1, wherein: the inside of plug casing (11) is provided with first fool-proof portion (112), and is corresponding, the outside of socket casing (21) be provided with first fool-proof portion (112) looks adaptation second fool-proof portion (211).

9. The connector of claim 1, wherein:

the plug (1) further comprises a plug rubber core assembly (12) arranged in the plug shell (11), a plug terminal (13) arranged in the plug rubber core assembly (12), and a plug cable (14) connected with the plug rubber core assembly (12), wherein the plug rubber core assembly (12) comprises a plug rubber core (121) and a plug pressing plate (122) detachably connected with the plug rubber core (121);

socket (2) are still including locating socket gluey core subassembly (22) in socket casing (21), locate socket terminal (23) in socket gluey core subassembly (22) and with socket cable (24) that socket gluey core subassembly (22) are connected, socket gluey core subassembly (22) include socket gluey core (221) and with socket pressing plate (222) that socket gluey core (221) can dismantle the connection.

10. The connector of claim 9, wherein:

an opposite-insertion sealing ring (101) is arranged between the socket shell (21) and the plug shell (11);

rubber core sealing rings (102) are arranged between the plug shell (11) and the plug rubber core (121) and between the socket shell (21) and the socket rubber core (221);

terminal sealing rings (103) are arranged between the plug rubber core component (12) and the plug terminal (13) and between the socket rubber core component (22) and the socket terminal (23);

cable sealing rings (104) are arranged between the plug shell (11) and the plug cable (14) and between the socket shell (21) and the socket cable (24);

wire sealing bodies (105) are arranged in the plug cable (14) and the socket cable (24).

Images