Push-pull type quick plugging connector and connector assembly

Abstract

The utility model provides a push-pull type quick plugging connector and a connector assembly, which comprise a socket device and a connector, a lock can be locked through a lock catch elastic sheet, namely, the position of the lock catch elastic sheet is positioned through a retaining part, a reset part provides elastic force for the elastic reciprocating of the lock catch elastic sheet, and a lock catch part is separably clamped with the lock, so that the lock catch elastic sheet can be locked. After the external force is released, the unlocking cover body is driven to reset through the elastic restoring force of the pre-tightening part, so that a user can conveniently push and pull the unlocking cover body so as to realize quick plugging, the unlocking cover body is automatically reset after the external force of the unlocking cover body is released, and the unlocking cover body is arranged on the two sides in the length direction through the lock catch elastic pieces and is covered by the unlocking cover body. Therefore, a plurality of connectors can be tightly arranged along the width direction perpendicular to the length direction, and after the connectors are tightly arranged, the unlocking cover body can be conveniently pulled to realize unlocking.

Description

Technical Field

[0001] The utility model relates to the field of connectors, in particular to a push-pull type quick plug-in connector and a connector assembly. Background Art

[0002] A connector is a commonly used component in electrical engineering. Its function is to connect circuits on different devices or different modules in a circuit, so that current or signals can flow or be transmitted, so that the circuit can achieve its intended function.

[0003] The existing connector assembly includes a connector and a socket, and the connection method thereof is usually that the connector is inserted into the socket, and the electrical connection terminals in the connector are electrically connected to the electrical connection terminals in the socket. In order to fix the connection between the connector and the socket, the connection between the connector and the socket is then locked by a locking mechanism, so that the connection between the connector and the socket is firm and stable, so as to achieve stable transmission of current or signals.

[0004] In order to realize quick plugging and unplugging of the connector, a push-pull quick plugging and unplugging structure needs to be designed for the locking mechanism of the connector. Utility Model Content

[0005] The first object of the utility model is to provide a push-pull type quick plug-in connector.

[0006] The second object of the utility model is to provide a connector assembly having the above connector.

[0007] In order to achieve the first purpose of the utility model, the utility model provides a push-pull type quick plug-in connector, including a shell, an unlocking cover body, two locking springs and a terminal module, the terminal module is arranged with a plurality of terminals along the length direction, the terminal module is installed in the shell, and the outer walls of the shell at both ends in the length direction are provided with mounting grooves; the locking spring is a sheet frame body that is closed and connected on all sides, and the middle part of the locking spring is hollowed out, the locking spring comprises a stop part, a locking part, a pre-tightening part and a reset part, the stop part is located at the rear end edge of the sheet frame body based on the insertion direction, the fixed end of the reset part is connected to the rear end edge, the reset part extends along the insertion direction, the locking part is located at the front end of the sheet frame body based on the insertion direction, the locking part extends along the length direction and is provided with a locking groove, the pre-tightening part is located in the middle part of the sheet frame body, the pre-tightening part comprises a U-shaped connecting arm and a pre-tightening arm, the U-shaped connecting arm is connected between the two side edges of the sheet frame body, the pre-tightening arm extends along the insertion direction, the fixed end of the pre-tightening arm is connected to the U-shaped groove of the U-shaped connecting arm, and the side is provided with an avoidance recess; A lock spring is installed in an installation groove, and the installation groove is provided with a fixing groove at the rear end of the insertion direction, the stop part is installed in the fixing groove based on the rear end of the insertion direction with clearance fit, and the reset part abuts against the front end of the fixing groove based on the insertion direction, and the installation groove is provided with a lock hole extending along the insertion direction on the inner side based on the length direction, the lock part is located at the outer side of the lock hole based on the insertion direction, and the unlocking cover body can be movably mounted on the shell in the insertion direction, and two unlocking bosses and a reset boss are respectively provided on the two inner side walls of the unlocking cover body in the length direction, and the reset boss is located between the two unlocking bosses; when the connector is locked, the unlocking cover body is located at the front side of the shell based on the insertion direction, the unlocking boss is located in the avoidance recess, the reset boss is adjacent to the free end of the pre-tensioning arm, and the card portion of the lock groove moves toward the center of the lock hole; when the connector is unlocked, the unlocking cover body moves to the rear side of the shell based on the insertion direction, the unlocking boss is adjacent to the side, the reset boss is adjacent to the middle part of the pre-tensioning arm, and the card portion of the lock groove moves toward the center of the lock hole.

[0008] A further solution is that the reset portion is arranged at an acute angle to the side edge.

[0009] A further solution is that the fixing groove includes a fixing section and a supporting section which are connected to each other, the supporting section extends along the insertion direction, the fixing section and the supporting section are arranged at an obtuse angle, the fixing section is located at the rear end of the insertion direction, and the supporting section is located at the front end of the insertion direction; the stop portion is clearance-matched with the fixing section, and the reset portion is elastically abutted against the supporting section.

[0010] A further solution is that a retaining wall is provided on the front side of the support section in the insertion direction, and the retaining wall is limitedly matched with the resetting part.

[0011] A further solution is that a reinforcing rib is connected between the two side edges, and the reinforcing rib is close to the locking portion.

[0012] A further solution is that, in the projection in the length direction, the projection of the free end of the pretensioning arm is close to the projection of the avoidance recess.

[0013] A further solution is that the inner side wall is provided with two limit bars extending along the insertion direction, the limit bars are located on both sides of the reset boss, and the two limit bars are located on both sides of the preload arm and are clearance-matched with the preload arm.

[0014] A further solution is that the pretensioning arm extends in an arc shape.

[0015] A further solution is that the width of the free end of the pre-tensioning arm is greater than the width of the fixed end of the pre-tensioning arm.

[0016] In order to achieve the second purpose of the utility model, the utility model provides a connector assembly, including a socket device and a connector as described above, the socket device includes a socket module and two locking pins, the two locking pins are respectively located at both ends of the socket module based on the length direction, the terminal module is connected to the socket module, the locking pin is inserted into the lock hole, and the lock groove is engaged with the lock pin.

[0017] The beneficial effect of the utility model is that the lock can be locked by the lock spring piece, specifically, the position of the lock spring piece is positioned by the stop part, the reset part provides elastic force to the elastic reciprocation of the lock spring piece, the lock part can be detachably engaged with the lock, and after the external force is released, the unlocking cover body is driven to reset by the elastic restoring force of the pre-tightening part, so the user can easily push and pull the unlocking cover body to achieve quick plugging and unplugging, and it will automatically reset after releasing the external force of the unlocking cover body. In addition, the lock spring pieces are arranged on both sides of the length direction and covered by the unlocking cover body, so that multiple connectors can be closely arranged along the width direction perpendicular to the length direction. After being closely arranged, the unlocking cover body can also be conveniently pulled to unlock. Furthermore, the acute angle arrangement of the reset part and the side edge is utilized to increase the reset force of the side edge and the locking force of the lock part, and the arrangement of the reinforcing ribs is coordinated to further improve the structural strength. Furthermore, the limit strip cooperates with the clearance of the pre-tensioning arm to drive the pre-tensioning arm to more stably drive the unlocking cover body to be pre-tensioned toward the front side. At the same time, through the position arrangement of the avoidance recess, the unlocking cover body is pre-tensioned toward the front side, and the unlocking boss just falls into the avoidance recess. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of an embodiment of the connector assembly of the utility model.

[0019] Figure 2 It is an exploded view of an embodiment of the connector of the utility model.

[0020] Figure 3 This is a structural diagram of the connector embodiment of the utility model after omitting the unlocking cover.

[0021] Figure 4It is a structural diagram of the unlocking cover body in the embodiment of the connector of the utility model.

[0022] Figure 5 It is a structural diagram of a locking spring in an embodiment of the connector of the utility model.

[0023] Figure 6 It is a cross-sectional view of the embodiment of the connector assembly of the utility model in a locked state.

[0024] Figure 7 It is a cross-sectional view of the embodiment of the connector assembly of the utility model in the unlocked state.

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments. DETAILED DESCRIPTION

[0026] Reference Figures 1 to 7 The connector assembly includes a socket device 1 and a connector 13. The socket device 1 includes a socket module 11 and two locking pins 12. The two locking pins 12 are respectively located at both ends of the socket module 11 based on the length direction Y. The locking pin 12 has an arc-shaped guide surface at the front end, and a card slot 121 is provided at the rear end of the arc-shaped guide surface.

[0027] The connector 13 includes a shell 2, an unlocking cover 4, two locking springs 3 and a terminal module 22. The shell 2 includes two rotationally symmetrical sub-shells 21. The two sub-shells 21 are interlocked and form an installation space therebetween. The terminal module 22 has a plurality of terminals arranged along the length direction Y. The terminal module 22 is installed in the installation space of the shell 2. Three outlets are provided on the rear side of the terminal module 22. A wire clamp 23 can be selectively installed at the outlet. The wire clamp 23 has a straight outlet or a side outlet. A rubber pad 231 is provided in the wire clamp 23. The wire clamp 23 is used to clamp the cable 221. The cable 221 is used to connect the terminal module 22.

[0028] The locking spring piece 3 is a sheet-like frame that is closed and connected on all sides. The middle part of the locking spring piece 3 is hollowed out. The locking spring piece 3 includes a stop portion 33, a locking portion 31, a pre-tightening portion 32 and a reset portion 34. The stop portion 33 is located at the rear end edge of the sheet-like frame based on the insertion direction X, and the fixed end 323 of the reset portion 34 is connected to the rear end edge. The reset portion 34 is an H-shaped spring piece. The reset portion 34 extends along the insertion direction X, and is arranged at an acute angle with the side 35.

[0029] The locking portion 31 is located at the front end of the sheet frame based on the insertion direction X. The locking portion 31 extends along the length direction Y and is provided with a locking groove 311. The locking groove 311 is arranged in a U shape and is provided with a U-shaped clamping portion 312 at the edge. A reinforcing rib 36 is connected between the two side edges 35, and the reinforcing rib 36 is close to the locking portion 31.

[0030] The pre-tightening part 32 is located in the middle of the sheet-like frame, and includes a U-shaped connecting arm 321 and a pre-tightening arm 322. The U-shaped connecting arm 321 is connected between the two side edges 35 of the sheet-like frame, and the pre-tightening arm 322 extends along the insertion direction X. The fixed end 323 of the pre-tightening arm 322 is connected to the U-shaped groove of the U-shaped connecting arm 321. The two side edges 35 are respectively provided with avoidance recesses 351. In the projection on the length direction Y, the projection of the free end 324 of the pre-tightening arm 322 is close to the projection of the avoidance recess 351. The pre-tightening arm 322 extends in an arc shape, and the width of the free end 324 of the pre-tightening arm 322 is greater than the width of the fixed end 323 of the pre-tightening arm 322.

[0031] The outer walls of the housing 2 at both ends of the length direction Y are respectively provided with mounting grooves 211, a locking spring piece 3 is installed in one of the mounting grooves 211, and the mounting groove 211 is provided with a fixing groove 215 at the rear end of the insertion direction X, and the fixing groove 215 includes a fixing section 216 and a supporting section 217 connected to each other, and the supporting section 217 extends along the insertion direction X, and the fixing section 216 and the supporting section 217 are arranged at an obtuse angle, and the fixing section 216 is located at the rear end of the insertion direction X, and the supporting section 217 is arranged at an obtuse angle. Located at the front end of the insertion direction X, the stopper 33 is installed with clearance fit at the rear end of the fixed groove 215 based on the insertion direction X, the reset portion 34 abuts against the front end of the fixed groove 215 based on the insertion direction X, the stopper 33 is clearance fit with the fixed section 216, the reset portion 34 elastically abuts against the support section 217, and the support section 217 is provided with a retaining wall 218 at the front side of the insertion direction X, and the retaining wall 218 is limitedly matched with the reset portion 34, so that the movement of the lock spring 3 in the insertion direction can be limited. The installation groove 211 is provided with a lock hole 213 extending along the insertion direction X on the inner side based on the length direction Y, the lock portion 31 is located on the outer side of the lock hole 213 based on the insertion direction X, and the lock groove 311 is connected with the lock hole 213.

[0032] The unlocking cover body 4 is arranged in a rectangular central control frame. The unlocking cover body 4 includes two inner side walls 52 and two inner side walls 41. The two inner side walls 52 are distributed at both ends in the length direction. The inner side wall 41 extends along the length direction. The inner side wall 41 is perpendicular to the inner side wall 52. The unlocking cover body 4 can be movably mounted on the outer shell 2 along the insertion direction X. The two inner side walls of the unlocking cover body 4 in the length direction Y are respectively provided with two unlocking bosses 421 and a reset boss 422. The reset boss 422 is located between the two unlocking bosses 421. The inner side wall is provided with two limit strips 423 extending along the insertion direction X. The limit strips 423 are located on both sides of the reset boss 422. The two limit strips 423 are located on both sides of the pre-tensioning arm 322 and are clearance-matched with the pre-tensioning arm 322.

[0033] The inner wall 41 is provided with a plurality of guide strips 411 extending along the insertion direction. The guide strips 411 can also play a role in strengthening the structure. The outer shell 2 is provided with guide grooves 214 at positions corresponding to the guide strips 411. The guide strips 411 and the guide grooves 214 slide in cooperation to provide a sliding limit function for unlocking the cover body 4.

[0034] Reference Figure 6 In the locked state of the connector 13, the terminal module 22 is connected to the socket module 11, the unlocking cover 4 is located at the front side of the housing 2 based on the insertion direction X, the unlocking boss 421 is located in the avoidance recess 351, the reset boss 422 is adjacent to the free end 324 of the pre-tensioning arm 322, the lock column 12 is inserted into the lock hole 213, and the U-shaped clamping portion 312 of the lock groove 311 faces the center of the lock hole 213 and is engaged with the clamping groove 121 of the lock column 12. Therefore, the connector 13 is firmly connected to the socket device 1, and the position of the unlocking cover 4 is fixed by the pre-tensioning arm 322, and the elastic reset force provided by the reset portion 34 is maintained, so as to maintain its buckling force.

[0035] Reference Figure 7 When the connector 13 is unlocked, the unlocking cover 4 moves to the rear side of the housing 2 based on the insertion direction X, the unlocking boss 421 is adjacent to the side 35, and the reset boss 422 is adjacent to the middle part of the pre-tensioning arm 322, thereby driving the lock portion 31 to move inward along the length direction, that is, driving the U-shaped clamping portion 312 of the lock groove 311 away from the clamping groove 121 of the lock column 12, thereby realizing the unlocking of the lock column 12, and the connector 13 can be smoothly pulled out.

[0036] When the connector 13 is in the natural state, the external force of the unlocking cover body 4 is removed, and the free end 324 of the pre-tensioning arm 322 is used to reset the front side of the reset boss 422, so that the unlocking cover body 4 is located on the front side of the shell 2 based on the insertion direction X, the unlocking boss 421 is located in the avoidance recess 351, and the U-shaped clamping portion 312 of the lock groove 311 moves toward the center of the lock hole 213.

[0037] As can be seen from the above, the lock can be locked by the lock spring sheet, specifically, the position of the lock spring sheet is positioned by the stopper, and the reset part provides elastic force to the elastic reciprocation of the lock spring sheet. The lock part can be detachably engaged with the lock, and after the external force is released, the unlocking cover body is driven to reset by the elastic restoring force of the pre-tightening part, so the user can easily push and pull the unlocking cover body to achieve quick plugging and unplugging, and it will automatically reset after releasing the external force of the unlocking cover body. In addition, the lock spring sheets are arranged on both sides of the length direction and covered by the unlocking cover body, so that multiple connectors can be closely arranged along the width direction perpendicular to the length direction. After being closely arranged, the unlocking cover body can also be conveniently pulled to unlock. Furthermore, the acute angle arrangement of the reset part and the side edge is utilized to increase the reset force of the side edge and the locking force of the lock part, and the arrangement of the reinforcing ribs is coordinated to further improve the structural strength. Furthermore, the limit strip cooperates with the clearance of the pre-tensioning arm to drive the pre-tensioning arm to more stably drive the unlocking cover body to be pre-tensioned toward the front side. At the same time, through the position arrangement of the avoidance recess, the unlocking cover body is pre-tensioned toward the front side, and the unlocking boss just falls into the avoidance recess.

Claims

1. A push-pull quick-plug connector, comprising a housing, an unlocking cover, two locking springs and a terminal module, wherein the terminal module has a plurality of terminals arranged along a length direction, the terminal module is installed in the housing, and the outer wall of the housing at both ends in the length direction is provided with mounting grooves; Features: The locking buckle spring piece is a sheet-shaped frame body that is closed and connected on all sides, and the middle part of the locking buckle spring piece is hollowed out. The locking buckle spring piece includes a stop portion, a locking portion, a pre-tightening portion and a reset portion. The stop portion is located at the rear end edge of the sheet frame body based on the insertion direction, and the fixed end of the reset portion is connected to the rear end edge, and the reset portion extends along the insertion direction. The locking portion is located at the front end of the sheet frame body based on the insertion direction, and the locking portion extends along the length direction and is provided with a locking groove. The pre-tightening portion is located in the middle of the sheet frame body. The pre-tightening portion includes a U-shaped connecting arm and a pre-tightening arm, and the U-shaped connecting arm is connected between the two side edges of the sheet frame body. The pre-tightening arm extends along the insertion direction, and the fixed end of the pre-tightening arm is connected to the U-shaped groove of the U-shaped connecting arm, and the side is provided with an avoidance recess; One of the locking spring pieces is installed in one of the installation slots, the installation slot is provided with a fixing slot at the rear end of the insertion direction, the stopper is installed at the rear end of the fixing slot based on the insertion direction with clearance fit, the reset portion abuts against the front end of the fixing slot based on the insertion direction, the installation slot is provided with a locking hole extending along the insertion direction on the inner side based on the length direction, and the locking portion is located on the outer side of the locking hole based on the insertion direction; The unlocking cover body can be movably mounted on the housing along the insertion direction, and two unlocking bosses and a reset boss are respectively provided on the two inner side walls of the unlocking cover body in the length direction, and the reset boss is located between the two unlocking bosses; In the natural or locked state of the connector, the unlocking cover is located at the front side of the housing based on the insertion direction, the unlocking boss is located in the avoidance recess, the reset boss is adjacent to the free end of the preload arm, and the locking portion of the lock groove moves toward the center of the lock hole; When the connector is unlocked, the unlocking cover moves to the rear side of the housing based on the insertion direction, the unlocking boss is adjacent to the side, the reset boss is adjacent to the middle of the pre-tensioning arm, and the locking portion of the lock slot moves away from the center of the lock hole.

2. The connector according to claim 1, characterized in that: The reset portion and the side edge are arranged at an acute angle.

3. The connector according to claim 2, characterized in that: The fixing groove comprises a fixing section and a supporting section connected to each other, the supporting section extends along the insertion direction, the fixing section and the supporting section are arranged at an obtuse angle, the fixing section is located at the rear end of the insertion direction, and the supporting section is located at the front end of the insertion direction; The stop portion is in clearance fit with the fixing section, and the reset portion is in elastic contact with the supporting section.

4. The connector according to claim 3, characterized in that: The support section is provided with a retaining wall at the front side in the insertion direction, and the retaining wall is limitedly matched with the resetting part.

5. The connector according to claim 1, characterized in that: A reinforcing rib is connected between the two side edges, and the reinforcing rib is close to the locking portion.

6. The connector according to claim 1, characterized in that: In the projection in the length direction, the projection of the free end of the pretensioning arm is close to the projection of the avoidance recess.

7. The connector according to any one of claims 1 to 6, characterized in that: The inner side wall is provided with two limit bars extending along the insertion direction, the limit bars are located on both sides of the reset boss, and the two limit bars are located on both sides of the pre-tensioning arm and are clearance-matched with the pre-tensioning arm.

8. The connector according to claim 7, characterized in that: The pre-tensioning arm extends in an arc shape.

9. The connector according to claim 7, characterized in that: The width of the free end of the pre-tensioning arm is greater than the width of the fixed end of the pre-tensioning arm.

10. A connector assembly, comprising a socket device and a connector as described in any one of claims 1 to 9, wherein the socket device comprises a socket module and two locking pins, the two locking pins are respectively located at both ends of the socket module based on the length direction, the terminal module is connected to the socket module, the locking pin is inserted into the locking hole, and the locking groove is engaged with the locking pin.

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