TW202005198A - Electrical connector - Google Patents

Abstract

The present invention relates to an electrical connector including an insulative housing, a plurality of contacts retained in relative contact-receiving slots of the insulative housing, a cable and a retaining mechanism for locking the electrical connector with a complementary connector. The retaining mechanism includes a revolving member and a locking member, the revolving member comprises a pair of opposite revolving arms rotatablely connected with the insulative housing and a gripping arm connected with the two revolving arms, and the locking member is defined inside the gripping arm. The revolving member has a first state and a second state, while the revolving member in the first state, the electrical connector can be freely plugged or separated with the complementary connector. While the revolving member is rotated to near or in the second state, the locking member is rotated or translated to achieve a lock between the electrical connector and the complementary connector.

Description

Electrical connector

The invention relates to an electrical connector, in particular to an electrical connector capable of effectively locking a butt connector.

After the traditional electrical connector is mated with the mating connector, the locking force between the two is not enough, which is easy to cause poor electrical contact; especially under high pressure, a large locking force is required to prevent the electrical connector from being connected to the mating Poor electrical contact caused by loose device.

In view of this, it is indeed necessary to further improve the traditional electrical connector to solve the above problems.

An object of the present invention is to provide an electrical connector that can effectively lock a butt connector.

To achieve the above object, the present invention provides an electrical connector having an insulating body, a plurality of conductive terminals, a cable mechanically and electrically connected to the conductive terminals, and a locking mechanism for locking the electrical connector and the mating connector, The insulating body has a first side and a second side disposed oppositely, the conductive terminal is fixed in a corresponding terminal slot of the insulating body, wherein the locking mechanism includes a rotating member rotatably connected to the insulating body and located inside the rotating member A locking member, the rotating member includes a pair of rotating arms that are oppositely arranged and rotatably connected to the insulating body, and a holding arm connecting the pair of rotating arms, the locking member is disposed inside the holding arm, and the rotating member It has a first state and a second state that can be switched by rotation. When the rotating part is in the first state, the electrical connector and the mating connector can be freely inserted or separated. When the rotating part is close to or in the second state, the aforementioned The locking member rotates or translates to lock the electrical connector and the mating connector.

As a further improvement of the present invention, after the electrical connector and the mating connector are inserted in the first state of the rotating member, the rotating member rotates to the second state, and the locking member is pushed by the holding arm or an external force Rotate or translate under the action until it is locked with at least one of the insulating body, the rotating member and the mating connector, so as to lock the foregoing rotating member in the second state to achieve the locking of the electrical connector and the mating connector.

As a further improvement of the present invention, the aforementioned insulating body has a pair of pivot shafts that are oppositely disposed and protruded from the first side and the second side, and each of the aforementioned rotating arms has a first end fixedly connected to the grip arm and a The second end opposite to the first end has a connecting portion rotatably connected with a corresponding pivot shaft and a cam that can be locked with the docking connector.

As a further improvement of the present invention, wherein the cam is provided with an arc-shaped sliding groove and an unlocking groove communicating with the sliding groove, the unlocking groove is located on a side of the sliding groove away from the first end.

As a further improvement of the present invention, wherein the locking member is slidably connected to the rotating arm and has a first position and a second position that buckle with the rotating arm, when the rotating member rotates to the second state and the buckle is docked After the locking part of the connector, the aforementioned locking member moves from the first position to the second position under the external force to achieve the locking of the electrical connector and the mating connector.

As a further improvement of the present invention, wherein the rotating arm has at least one guide groove, and the locking member has a sliding portion that cooperates with the guide groove and can slide in the guide groove.

As a further improvement of the present invention, the locking member has a pair of mating portions and an operating portion connecting the pair of mating portions, the mating portion is connected to the inner side of the corresponding rotating arm, and the sliding portion is disposed on the mating portion Outside.

As a further improvement of the present invention, wherein the rotating arm has two positioning holes corresponding to the first position and the second position, and the matching portion has a convex portion protruding on the outer surface thereof to selectively cooperate with one of the positioning holes The positioning department.

As a further improvement of the present invention, the rotating arm further has a limiting convex portion protruding inward, and the limiting convex portion and the two positioning holes are arranged along the longitudinal direction of the rotating arm.

As a further improvement of the present invention, wherein the locking member has a fixed arm connected to the insulating body and an elastic arm integrally connected to the fixed arm, the front end of the elastic arm is a free end, and the free end is the rear end of the elastic arm It is the elastic movement of the fulcrum to realize the lock with the rotating part.

Compared with the prior art, the locking mechanism of the electrical connector of the present invention achieves multi-directional good locking with the docking connector through the hanging buckles on both sides in the height direction and the locking buckles on the lateral sides in the lateral direction, enhancing and Reliability of electrical connection between butt connectors.

Please refer to the first to tenth figures for the first embodiment of the electrical connector 100 of the present invention. The electrical connector 100 has an insulating body 1, a plurality of conductive terminals 2, and wires that are mechanically and electrically connected to the conductive terminals 2. The cable 3 and the locking mechanism 4 for locking the electrical connector 100 and the mating connector.

The aforementioned insulating body 1 has a first side and a second side opposite to each other. In this embodiment, the first side and the second side are both sides of the insulating body 1 in the height direction, and the aforementioned insulating body 1 further has a plurality of positions In the terminal grooves 11 between the first side and the second side, each terminal groove 11 penetrates the insulating body 1 in the front-rear direction, and the conductive terminal 2 is fixed in the corresponding terminal groove 11 of the insulating body 1.

The aforementioned insulating body 1 has a pair of pivot shafts 12 opposite to each other in the height direction and a protrusion 13 protruding on one side in the lateral direction.

The locking mechanism 4 includes a rotating member 41 rotatably connected to the insulating body 1 and a locking member 42 located inside the rotating member 41. The rotating member 41 includes a pair of rotating arms 411 oppositely arranged and rotatably connected to the insulating body 1 And a pair of holding arms 412 connected to the rotating arm 411, the locking member 42 is disposed inside the holding arm 412, the rotating member 41 has a first state and a second state that can be switched, and when the rotating member 41 In the first state, the electrical connector 100 and the mating connector can be freely inserted or separated. When the rotating member 41 rotates close to or in the second state, the locking member 42 rotates or translates to realize the electrical connector 100 and Locking of docking connector.

After the electrical connector 100 and the mating connector are inserted in the first state of the rotating member 41, the rotating member 41 rotates to the second state, and the locking member 42 rotates under the pushing force of the holding arm 412 or external force Or translate until it locks with at least one of the insulating body 1, the rotating member 41 and the mating connector, so as to lock the aforementioned rotating member 41 in the second state to achieve the locking of the electrical connector 100 and the mating connector.

In the first embodiment of the present invention, when the rotating member 41 rotates from the first state to the second state, the aforementioned locking member 42 translates in the direction shown by the arrow in the fourth figure under the action of the external force until it contacts the insulating body One-phase lock to lock the electrical connector 100 and the mating connector.

Each of the aforementioned rotation arms 411 has a first end fixedly connected to the grip arm 412 and a second end opposite to the first end, the second end has a connection portion 413 rotatably connected to the corresponding pivot shaft 12 and can be connected to The cam 414 of the docking connector is locked. The connecting portion 413 defines a pivot hole 4131 for accommodating the pivot shaft 12. In this embodiment, the pivot hole 4131 is composed of a circular hole in the center and rectangular holes symmetrically disposed on both sides of the circular hole.

The cam 414 is provided with an arc-shaped sliding slot 4141 and an unlocking slot 4142 communicating with the sliding slot 4141. The unlocking slot 4142 is located on a side of the sliding slot 4141 away from the first end so that the locking mechanism 4 is in the first position Under the state, the padlock or unlocking with the lock part of the docking connector is realized.

Please refer to the fourth to eighth figures. In the first embodiment of the present invention, the locking member 42 is slidably connected to the rotating arm 411 and has a first position that is locked with the rotating arm 411 and In the second position, after the rotating member 41 rotates to the second state and buckles the locking portion of the mating connector, the locking member 42 moves from the first position to the direction shown by the arrow in the fourth figure under the action of the external force The second position is to achieve the locking of the electrical connector 100 and the mating connector.

The rotating arm 411 has at least one guide groove 4116. The guide groove 4116 extends along the length of the rotating arm 411. The locking member 42 has a guide groove 4116 that fits within the guide groove 4116.滑之滑部421.

The locking member 42 has a pair of matching parts 422 and an operating part 423 connecting the pair of matching parts 422. The matching part 422 is connected to the inner side of the corresponding rotating arm 411. The sliding part 421 is provided on the matching part 422. Outside. Specifically, a pair of the sliding portions 421 are protrudingly arranged side by side on the outer surface of each of the mating portions 422, the pair of sliding portions 421 are spaced apart along the width direction of the locking member 42, and each of the sliding portions 421 is a strip The extending direction is perpendicular to the width direction of the locking member 42. The sliding portion 421 extends beyond the end of the engaging portion 422 in a direction away from the operating portion 423.

Each of the aforesaid rotating arms 411 has two positioning holes 4117 corresponding to the first and second positions, and the matching portion 422 has a positioning protruding on its outer surface to selectively cooperate with one of the positioning holes 4117部4221.

Each of the mating portions 422 further has a concave portion 4222 recessed on its outer surface. The concave portion 4222 and the positioning portion 4221 are aligned in a direction parallel to the extending direction of the sliding portion 421.

The locking member 42 further has a reinforcing portion 424 protruding on one side in the width direction. The reinforcing portion 424 is disposed outside the operating portion 423 and cooperates with the grip portion 412 to further prevent the locking member 42 Disengage the rotating member 41 under the action of thrust.

The operation portion 423 further has a locking groove 4231 provided on the inner side thereof. In the second state of the locking mechanism 4, the locking groove 4231 is open toward the protruding portion 13 of the insulating body 1, and the locking member 42 When sliding to the second position, the aforementioned protruding portion 13 is locked in the locking slot 4231 to lock the locking member 42 in the second state, thereby achieving reliable positioning between the locking mechanism 4 and the insulating body 1.

Each of the aforementioned rotating arms 411 further has a limiting convex portion 415 protruding inward, a coupling portion 416 and a stop portion 417, the aforementioned limiting convex portion 415 and the two positioning holes 4117 on the same side along the length of the rotating arm 411 The direction is arranged side by side, and the limiting protrusion 415 is located on one side of the two positioning holes 4117 close to the second end. When the locking mechanism 4 rotates from the first state to the second state, the limiting protrusion 415 moves forward until it crosses the limiting part 15 provided on the outer side of the insulating body 1, and the blocking limit is located on the front side of the limiting part 15, In order to prevent the aforementioned locking mechanism 4 from turning to the first state.

The coupling portion 416 is arranged in a strip shape, and is disposed on one side of the two positioning holes 4117 close to the first end, that is, the limiting protrusion 415 and the coupling portion 416 are separated along the two positioning holes 4117 Both sides of the aforementioned turning arm 411 in the longitudinal direction. The aforementioned coupling portion 416 is limited to the aforementioned recessed portion 4222 on the corresponding side, so as to further realize the positioning between the rotating member 41 and the locking member 42.

When the locking mechanism 4 is in the first state, the aforesaid blocking portion 417 resists the corresponding protrusions provided on the upper and lower sides of the insulating body 1 to ensure the position of the locking mechanism 4 before the electrical connector 100 is not docked, preventing the locking mechanism 4 When the electrical connector 100 is not mated, it rotates to the second state.

At least one of the first side and the second side of the insulating body 1 is protrudingly provided with a stopper portion 14, the second end is provided with a concave portion 418 located outside the connecting portion 413, and the concave portion 418 is provided between the connecting portion 413 and the cam 414 junction. The stop portion 14 resists in the concave portion 418 of the connection portion 413 to prevent the side of the locking mechanism 4 where the holding arm 412 is located from continuing to rotate forward.

As shown in the second figure, the aforementioned electrical connector 100 further has a stopper 5 assembled on the bottom side of the aforementioned insulating body 1 to simultaneously lock the plurality of conductive terminals 2.

Please refer to the eleventh to fourteenth figures. In the second embodiment of the electrical connector of the present invention, the insulating body 1 ′, the conductive terminal and the cable 3 ′ of the foregoing electrical connector are the same as the first embodiment It is the same in the above and will not be repeated here. The differences between the two embodiments are mainly explained below.

One side wall of the insulating body 1'in the lateral direction is provided with an accommodating groove 112' that is open outwards, and the side wall is also provided with a pair of clamping grooves symmetrically disposed on the two sides of the accommodating groove 112' in the height direction A groove 113' and a pair of receiving grooves 115', the pair of holding grooves 113' and the pair of receiving grooves 115' are in communication with the receiving groove 112', and in this embodiment, each of the holding grooves 113 It is also in communication with the receiving slot 115 on the same side, and it may not be in other embodiments.

Please refer to the thirteenth and fourteenth figures, the side wall further has a locking groove 114' formed by recessing forward from the rear end thereof, and the holding arm 412' of the rotating member 41' has a hook protruding toward the inner side Ear 4121', the aforementioned hanging ear 4121' is formed at the front end of the aforementioned holding arm 412'.

In this embodiment, the locking member 42' is installed in the aforementioned receiving groove 112', and it has a fixed arm 421' connected to the insulating body 1'and an elastic arm 422'' integrally connected to the fixed arm 421' The front end of the elastic arm 422" is a free end, and the free end elastically moves with the rear end of the elastic arm 422" as a fulcrum to achieve a lock with the rotating member 41'. The fixing arm 421 ′ has a protrusion 4211 ′ protruding toward the insulating body 1 ′ and a pair of mounting portions 423 ′ protruding upward and downward in the height direction, the protrusion 4211 ′ is locked with the locking groove 114 ′ Buckle, the mounting portions 423' extend into the corresponding holding grooves 113', and the stopper 4223' provided at the front end of the elastic arm 422' slides elastically in the receiving groove 115' and is limited to the receiving groove In 115', the stopper 4223' is located in front of the blocking surface 1150' forming the receiving groove 115' and is blocked by the blocking surface 1150' to prevent the stopper 4223' from exiting the receiving groove 115' backward.

In this embodiment, when the rotating member 41' rotates to be close to the second state, the aforementioned locking member 42' rotates to achieve the locking of the electrical connector 100' and the mating connector, specifically, when the electrical connector 100' is After the docking connector is inserted in the first state of the rotating member 41', the rotating member 41' rotates to the second state, and the elastic arm 422' of the locking member 42' is pressed by the holding arm 412' Deflect until the holding arm 412' rotates forward so that the front lugs 4121' at the front end pass over the elastic arm 422' and lock with the elastic arm 422', thereby locking the rotating member 41' in the second state In order to achieve the locking of the electrical connector 100' and the mating connector.

In this embodiment, the locking member 42' is assembled and fixed to the side of the insulating body 1', and the rotating member 41' pushes the elastic arm 422' of the locking member 42' to deflect it, and then it is held with The arms 412' are locked with each other, and the elastic rotation of the elastic arms 422' is more stable, preventing accidental deviation or even fall caused by improper direct force.

Please refer to the fifteenth to seventeenth figures. In the third embodiment of the electrical connector of the present invention, the insulating body 1 ″, the conductive terminal and the cable of the electrical connector are the same as those in the first embodiment. Similar or the same, no more details here, the difference is that: in this embodiment, the rotating member 41 ″ of the locking mechanism 4 ″ and the locking member 42 ″ are an integral structure, the aforementioned locking member 42 ″ It is integrally connected to the inside of the holding arm 412'' of the aforementioned rotating member 41''.

When the rotating member 41'' rotates to be close to the second state, the aforementioned locking member 42'' rotates under the pressure of the snap portion 201'' of the mating connector 200'' to realize the electrical connector 100'' Locked with the docking connector 200"; specifically, after the electrical connector 100" and the docking connector 200" are inserted in the first state of the rotating member 41", the rotating member 41" In the second state, the locking member 42'' is pressed against the snap part 201'' of the butt connector 200'' under the pushing force of the holding arm 412'', and the locking member 42'' is in the snap part 201 ”The reaction force pushes to rotate until it is locked with the snap part 201” of the mating connector 200” to lock the aforementioned rotating member 41” in the second state to realize the electrical connector 100” and Locking of docking connector 200".

The locking mechanism of the electrical connector of the present invention realizes the locking with the docking connector on both sides in the height direction by the hanging buckle between the cam provided on both sides and the locking portion of the docking connector; The rotating rotating part and the locking part cooperating with the rotating part realize further locking on one side in the lateral direction with the insulating body or the mating connector, thereby enhancing the reliability of the electrical connection with the mating connector Sex.

In particular, it should be pointed out that for those of ordinary skill in the art, equivalent changes made to the present invention under the teaching of the present invention should still be included in the scope claimed by the patent application scope of the present invention.

100, 100', 100''‧‧‧Electrical connector 1, 1', 1''‧‧‧Insulation body 11‧‧‧Terminal slot 112'‧‧‧accommodation slot 113'‧‧‧card slot 114'‧‧‧slot 115'‧‧‧ containment tank 1150'‧‧‧block surface 12‧‧‧Pivot shaft 13‧‧‧Projection 14‧‧‧stop 15‧‧‧Limiting Department 2‧‧‧Conductive terminal 3. 3'‧‧‧ cable 4, 4``‧‧‧ locking mechanism 41, 41', 41''‧‧‧rotating parts 411‧‧‧Rotating arm 412, 412', 412''‧‧‧ holding arm 4121'‧‧‧earing 413‧‧‧Connect 415‧‧‧Limiting convex 416‧‧‧Joint 417‧‧‧stop 418‧‧‧recess 4116‧‧‧Guide groove 4117‧‧‧Locating hole 412‧‧‧ holding arm 413‧‧‧Connect 4131‧‧‧Pivot hole 414‧‧‧Cam 4141‧‧‧Chute 4142‧‧‧Unlock slot 42、42′、42``‧‧‧Lock 421‧‧‧Sliding part 421'‧‧‧fixed arm 4211'‧‧‧Bump 422‧‧‧ Coordination Department 422''‧‧‧Elastic arm 4221‧‧‧Positioning Department 4222‧‧‧Depression 4223'‧‧‧stop 423‧‧‧Operation Department 423'‧‧‧Installation Department 4231‧‧‧Card slot 424‧‧‧Strengthening Department 5‧‧‧Limiting parts 200''‧‧‧ Docking connector 201''‧‧‧Snap

The first figure is a perspective assembly view of the first embodiment of the electrical connector of the present invention. The second figure is an exploded perspective view of the electrical connector shown in the first figure. The third diagram is a partial assembly diagram of the electrical connector shown in the second diagram. The fourth figure is a perspective assembly view of the locking mechanism of the electrical connector shown in the first figure. The fifth figure is an exploded perspective view of the locking mechanism shown in the fourth figure. The sixth figure is a cross-sectional view along the line VI-VI in the fourth figure. The seventh figure is a schematic cross-sectional view of the locking mechanism shown in the fourth figure in the first position. The eighth figure is a schematic cross-sectional view when the locking mechanism shown in the fourth figure is in the second position. The ninth to tenth figures are cross-sectional views of the electrical connector shown in the first figure after removing the conductive terminal and the cable. Figure 11 is a perspective assembly view of a second embodiment of the electrical connector of the present invention. Figure 12 is a partial exploded view of the electrical connector shown in Figure 11. Figure 13 is a further exploded view of the electrical connector shown in Figure 12. Figure 14 is a schematic cross-sectional view of the electrical connector shown in Figure 11 after the conductive terminals and cables are removed. Figure 15 is a perspective assembly view of a third embodiment of the electrical connector of the present invention. Figure 16 is a perspective view of the locking mechanism of the electrical connector shown in Figure 15. Figure 17 is a perspective view of the electrical connector and mating connector shown in Figure 15 after they are plugged and locked.

100‧‧‧Electrical connector

1‧‧‧Insulation body

3‧‧‧Cable

4‧‧‧Locking mechanism

Claims (10)

An electrical connector has an insulating body, a plurality of conductive terminals, a cable that is mechanically and electrically connected to the conductive terminals, and a locking mechanism that locks the electrical connector and the mating connector. On the side and the second side, the conductive terminal is fixed in a corresponding terminal slot of the insulating body, wherein the locking mechanism includes a rotating member rotatably connected to the insulating body and a locking member located inside the rotating member, the rotating member includes A pair of oppositely arranged rotating arms connected to the insulating body and a pair of holding arms connected to the pair of the aforementioned rotating arms, the locking member is provided inside the holding arm, the rotating member has a first state capable of rotation switching and In the second state, when the rotating member is in the first state, the electrical connector and the mating connector can be freely inserted or separated. When the rotating member rotates close to or in the second state, the locking member rotates or translates to achieve electrical Locking of connector and mating connector. The electrical connector as described in item 1 of the patent application scope, wherein when the electrical connector and the mating connector are inserted in the first state of the rotating member, the rotating member rotates to the second state, and the locking member is held Rotate or translate under the pushing force of the holding arm or external force until it is locked with at least one of the insulating body, the rotating member and the docking connector to lock the aforementioned rotating member in the second state to realize the electrical connector and docking The connector is locked. The electrical connector as described in item 1 of the patent application range, wherein the insulating body has a pair of pivot shafts disposed oppositely and protruding from the first side and the second side respectively, and each of the aforementioned rotating arms is fixed to the holding arm A first end connected and a second end opposite to the first end, the second end has a connecting portion rotatably connected with a corresponding pivot shaft and a cam lockable with the docking connector. The electrical connector as described in item 3 of the patent application range, wherein the cam is provided with an arc-shaped sliding groove and an unlocking groove communicating with the sliding groove, and the unlocking groove is located on a side of the sliding groove away from the first end. The electrical connector as described in item 4 of the patent application scope, wherein the locking member is slidably connected to the rotating arm and has a first position and a second position that are latched with the rotating arm, when the rotating member rotates to After the locking part of the docking connector is buckled in the second state, the locking member moves from the first position to the second position under the action of external force to achieve the locking of the electrical connector and the docking connector. The electrical connector as described in item 5 of the patent application range, wherein the rotating arm has at least one guide groove, and the locking member has a sliding portion that cooperates with the guide groove and can slide in the guide groove. The electrical connector as described in item 6 of the patent application range, wherein the locking member has a pair of mating parts and an operating part connecting the pair of mating parts, the mating part is connected to the inner side of the corresponding rotating arm, The sliding portion is provided outside the aforementioned fitting portion. The electrical connector as described in item 7 of the patent application scope, wherein the rotating arm has two positioning holes corresponding to the first position and the second position, and the mating portion has a protrusion protruding from an outer surface thereof to selectively A positioning part matched with one of the positioning holes. The electrical connector as described in item 8 of the patent application range, wherein the rotating arm further has a limiting protrusion protruding inward, and the limiting protrusion and the two positioning holes are arranged along the longitudinal direction of the rotating arm. The electrical connector as described in any one of claims 2 to 4, wherein the locking member has a fixed arm connected to the insulating body and an elastic arm integrally connected to the fixed arm. The front end is a free end, and the free end elastically moves with the rear end of the aforementioned elastic arm as a fulcrum to realize a lock with the rotating member.

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