CN210167594U

CN210167594U - A kind of interface unit

Info

Publication number: CN210167594U
Application number: CN201921121113.1U
Authority: CN
Inventors: 熊燚; 陈淼; 陈雪; 邬昌荣; 林海; 郑庆海
Original assignee: YUEQING BADA PHOTOELECTRIC TECHNOLOGY Co Ltd
Current assignee: YUEQING BADA PHOTOELECTRIC TECHNOLOGY Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-03-20
Anticipated expiration: 2029-07-17

Abstract

The utility model relates to a connector, which comprises a plug, a socket and a locking mechanism, wherein the locking mechanism comprises a locking bolt arranged on the plug and a locking thread arranged on the socket and matched with the locking bolt; the top of the plug is provided with a bolt accommodating cavity with openings at two ends, and the locking bolt is slidably arranged in the bolt accommodating cavity; the locking bolt is characterized in that a limiting convex ring is arranged in the middle of the locking bolt, a limiting section is arranged in the bolt accommodating cavity, and the limiting convex ring can slide in the limiting section. Adopt the utility model provides a connector, connection locking structure between plug and the socket simple structure, small, low in production cost, connection method is simple, reliable and stable, all does not have under the various complicated operating modes and momentarily breaks and produces.

Description

A kind of interface unit

Technical Field

The utility model relates to a connector especially relates to a new energy automobile connector.

Background

The connector is mainly used for numerous hybrid power and pure electric vehicles. The connection locking structure between the plug and the socket adopted by the existing connector is complex and large in size, wastes time and labor when in use and connection, and increases the size, weight, production cost and use cost of the connector.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to overcome the above-mentioned deficiencies in the prior art and to provide a connector.

The utility model provides a pair of main technical scheme of connector does: the plug comprises a plug, a socket and a locking mechanism, wherein the locking mechanism comprises a locking bolt arranged on the plug and a locking thread arranged on the socket and matched with the locking bolt;

the top of the plug is provided with a bolt accommodating cavity with openings at two ends, and the locking bolt is slidably arranged in the bolt accommodating cavity; the locking bolt is characterized in that a limiting convex ring is arranged in the middle of the locking bolt, a limiting section is arranged in the bolt accommodating cavity, and the limiting convex ring can slide in the limiting section.

One end of the locking bolt, which is close to the socket, is provided with a thread matched with the locking thread, one side of the limiting section, which is close to the thread, is provided with a limiting boss, and the other side of the limiting section is provided with a detachable limiting ring.

The detachable limiting ring is a clamp spring, a groove is formed in the inner wall of the bolt accommodating cavity, and the clamp spring is clamped in the groove.

The locking mechanism further comprises a spring, the spring sleeve is arranged on one side with threads of the locking bolt, one end of the spring is abutted to the limiting convex ring, and the other end of the spring is abutted to the inner wall of the bolt accommodating cavity.

Wherein, the one end that the locking bolt kept away from the screw thread is provided with the dismouting groove.

The plug comprises a tail cover, and bolt avoiding holes are formed in the tail cover corresponding to the locking bolts.

The plug is characterized in that a bolt connecting groove is formed in the top of the socket, one end of the bolt connecting groove, close to the plug, is opened, and the locking threads are arranged on the inner wall of the bolt connecting groove.

Wherein, the bolt connecting groove opening part is provided with a conical guide groove.

The plug also comprises a female terminal, wherein the female terminal comprises a terminal shell, a contact pin and a finger-proof cap; a crown spring is arranged between the contact pin and the terminal shell, a clamping groove is formed in the inner wall of the terminal shell, and the crown spring is clamped in the clamping groove.

The plug further comprises a sealing ring, a bolt, a front rubber core, a signal terminal, a plug shell, a female terminal, a shielding ring, a rear rubber core, a shielding layer and a wire sealing body; the bolt accommodating cavity is arranged on the plug shell; the socket comprises a contact pin terminal, a terminal sealing ring, a sealing plug, a signal terminal, a sealing ring, a stopping claw, a socket shell, a sealing gasket, a socket rubber core and a screw; the bolt coupling groove is provided on the socket housing.

Adopt the utility model provides a pair of connector, the connection locking structure between plug and the socket simple structure, small, low in production cost, connection method is simple, and is reliable and stable, all does not have under the various complicated operating modes and momentarily breaks and produces. The arrangement structure and the position of the signal terminal enable the connector finished product to be small in size, low in cost, large in current-carrying capacity and small in temperature rise.

Drawings

Fig. 1 is a cross-sectional view of a plug of a connector according to an embodiment of the present invention.

Fig. 2 is an exploded view of a plug of a connector according to an embodiment of the present invention.

Fig. 3 is a structural diagram of a plug of a connector according to an embodiment of the present invention.

Fig. 4 is another depth sectional view of a plug of a connector according to an embodiment of the present invention.

Fig. 5 is a cross-sectional view of a receptacle of a connector according to an embodiment of the present invention.

Fig. 6 is an exploded view of a receptacle of a connector according to an embodiment of the present invention.

Fig. 7 is a structural view of a locked socket of a connector according to an embodiment of the present invention.

Fig. 8 is a cross-sectional view of a plug and socket mating of a connector according to an embodiment of the present invention.

The plug comprises a plug 1, a sealing ring 101, a first screw 102, a front rubber core 103, a signal terminal 104, a plug outer shell 105, a female terminal 106, a terminal outer shell 1061, a pin 1062, a finger-proof cap 1063, a crown spring 1064, a spring 107, a snap spring 108, a locking bolt 109, a limit convex ring 1091, a shielding ring 110, a rear rubber core 111, a shielding layer 112, a wire sealing body 113, a tail cover 114, a bolt avoiding hole 1141, a bolt accommodating cavity 115, a limit section 1151, a dismounting groove 116, a socket 2, a pin terminal 201, a terminal sealing ring 202, a sealing plug 203, a socket signal terminal 204, a socket sealing ring 205, a stopping claw 206, a socket shell 207, a third screw hole 2071, a locking screw 2072, a guide groove 2073, a bolt connecting groove 2074, a sealing gasket 208, a screw avoiding hole 2081, a socket rubber core 209 and a second screw 210.

Detailed Description

The present invention will be described in detail with reference to the following embodiments and the accompanying drawings, wherein the described embodiments are only intended to facilitate the understanding of the present invention, and do not limit the present invention in any way.

As shown in fig. 1 to 8, according to the present embodiment, there is provided a connector including a plug 1, a receptacle 2, and a locking mechanism including a locking bolt 109 provided on the plug 1 and a locking thread provided on the receptacle 2 to be fitted to the locking bolt 109; the top of the plug 1 is provided with a bolt accommodating cavity 115 with openings at two ends, and the locking bolt 109 can be slidably arranged in the bolt accommodating cavity 115; the middle part of the locking bolt 109 is provided with a limit convex ring 1091, the bolt accommodating cavity 115 is internally provided with a limit section 1151, and the limit convex ring 1091 can slide in the limit section 1151. Therefore, the connecting and locking structure between the plug 1 and the socket 2 is simple in structure, small in size, low in production cost, simple in connecting method, stable and reliable, and free of instantaneous interruption under various complex working conditions.

One end of the locking bolt 109 close to the socket 2 is provided with a thread matched with the locking thread, one side of the limiting section 1151 close to the thread is provided with a limiting boss, and the other side is provided with a detachable limiting ring. The detachable limiting ring is a clamp spring 108, a groove is formed in the inner wall of the bolt accommodating cavity 115, and the clamp spring 108 is clamped in the groove. The locking bolt 109 is limited to be slidable within a certain distance, preventing the bolt from slipping out of the bolt receiving cavity 115, and also better engaging with the locking thread. The locking mechanism further comprises a spring 107, the spring 107 is sleeved on one side of the locking bolt 109 with threads, one end of the spring 107 abuts against the limiting convex ring 1091, and the other end of the spring 107 abuts against the inner wall of the bolt accommodating cavity 115. After the locking bolt 109 is disengaged from the locking thread, the threaded end is always in the bolt receiving cavity 115 to protect the bolt. The end, far away from the screw thread, of the locking bolt 109 is provided with a dismounting groove 116, and the dismounting groove 116 can be matched with bolt tightening equipment such as a screwdriver, so that the locking bolt 109 is more convenient and labor-saving to fasten.

The plug 1 includes a tail cover 114, and a bolt avoiding hole 1141 is provided on the tail cover 114 corresponding to the lock bolt 109. When a screwdriver or other equipment for screwing the bolt is used, the tail cover 114 cannot be shielded, and the use is convenient.

The socket 2 top is provided with bolted connection groove 2074, and bolted connection groove 2074 is close to the one end opening of plug 1, and locking screw sets up on bolted connection groove 2074's inner wall. The bolt connection groove 2074 is provided with a tapered guide groove 2073 at the opening, so that the locking bolt 109 can be guided and connected more conveniently. The bolt coupling groove 2074 is provided on the socket housing 207.

The plug 1 further comprises a plug outer shell 105, and a front rubber core 103, a rear rubber core 111 and a signal terminal 104 which are arranged in the plug outer shell 105, wherein first screw holes are formed in two sides of the interior of the plug outer shell 105, first threads are arranged in the first screw holes, a second screw hole is formed in the front rubber core 103, a first screw 102 sequentially penetrates through the second screw holes and the first screw holes to be matched with the first threads to connect the front rubber core 103 and the plug outer shell 105, and the front end of the rear rubber core 111 is abutted to the front rubber core 103; the signal terminal 104 is a U-shaped terminal including two antennas, one end of each of the two antennas of the signal terminal 104 is inserted into the front rubber core 103, and the other end of each of the two antennas abuts against a space between the front rubber core 103 and the rear rubber core 111. Socket 2 includes socket casing 207 and the socket of setting in socket casing 207 glues core 209, and the inside both sides of socket casing 207 are provided with third screw hole 2071, are provided with the second screw in the third screw hole 2071, are provided with the fourth screw hole on the socket glues core 209, and second screw 210 passes fourth screw hole and third screw hole 2071 in proper order and is connected socket glue core 209 and socket casing 207 with second screw-thread fit. A sealing gasket 208 is arranged between the socket rubber core 209 and the socket shell 207, and a screw avoiding hole 2081 is arranged on the sealing gasket 208. The rubber core is connected with the shell by screws, so that the connection is stable.

Further, the plug also includes a female terminal including a terminal housing 1061, a pin 1062, and a finger-proof cap; crown spring 1064 is arranged between pin 1062 and terminal housing 1061, a slot is arranged on the inner wall of terminal housing 1061, and crown spring 1064 is clamped in the slot. Preferably, two crown springs 1064 are uniformly arranged in the length direction of 1063, two slots are arranged on the inner wall of the terminal housing 1061, and the two crown springs 1064 are respectively clamped in the two slots. The female terminal pin adopts a double-crown spring technology, the technology is simple in manufacturing process, low in cost and easy to assemble, the temperature of the terminal is low, and the terminal is more resistant to plugging and unplugging. Signal terminal 104 uses a 10mm diameter terminal, adaptable to 25mm²～70mm²The wire has a wider wire diameter range and the maximum passing current is 300A. The arrangement and position of the signal terminals 104 make the connector small in size, low in cost and current-carryingLarge amount and small temperature rise.

The plug 1 further comprises a sealing ring 101, a bolt, a shielding ring 110, a shielding layer 112 and a wire sealing body 113; a bolt receiving cavity 115 is provided on the plug housing 105. The socket 2 includes a pin terminal 201, a terminal packing 202, a sealing plug 203, a socket signal terminal 204, a socket packing 205, and a retaining claw 206. The plug shell 105 and the socket shell 207 are made of aluminum alloy shells, so that the strength is high, the weight is light, and the shielding effect is good.

The above-mentioned embodiments are only one of the preferred embodiments of the present invention, and the ordinary changes and replacements performed by those skilled in the art within the technical scope of the present invention should be included in the protection scope of the present invention.

Claims

1. A connector is characterized by comprising a plug, a socket and a locking mechanism, wherein the locking mechanism comprises a locking bolt arranged on the plug and a locking thread arranged on the socket and matched with the locking bolt;

2. The connector of claim 1, wherein a thread adapted to the locking thread is disposed at an end of the locking bolt close to the socket, a limiting boss is disposed at one side of the limiting section close to the thread, and a detachable limiting ring is disposed at the other side of the limiting section close to the thread.

3. The connector of claim 2, wherein the removable limiting ring is a snap spring, a groove is formed on an inner wall of the bolt accommodating cavity, and the snap spring is clamped in the groove.

4. The connector of claim 3, wherein the locking mechanism further comprises a spring, the spring is sleeved on one side of the locking bolt with threads, one end of the spring abuts against the limiting convex ring, and the other end of the spring abuts against the inner wall of the bolt accommodating cavity.

5. A connector according to claim 4, wherein the end of the locking bolt remote from the screw thread is provided with a release groove.

6. The connector of claim 5, wherein the plug includes a tail cap, and a bolt relief hole is formed in the tail cap corresponding to the locking bolt.

7. A connector according to any one of claims 1 to 6, wherein the top of the socket is provided with a screw-coupling groove open at one end adjacent the spigot, the locking thread being provided on an inner wall of the screw-coupling groove.

8. A connector according to claim 7, wherein the bolt-engaging slot opening is provided with a tapered guide slot.

9. The connector of any one of claims 1-6, 8, wherein the plug further comprises female terminals comprising a terminal housing, a pin and an anti-finger cap; a crown spring is arranged between the contact pin and the terminal shell, a clamping groove is formed in the inner wall of the terminal shell, and the crown spring is clamped in the clamping groove.

10. The connector according to any one of claims 1 to 6 or 8, wherein the plug further comprises a sealing ring, a bolt, a front rubber core, a signal terminal, a plug housing, a female terminal, a shielding ring, a rear rubber core, a shielding layer and a wire sealing body; the bolt accommodating cavity is arranged on the plug shell; the socket comprises a contact pin terminal, a terminal sealing ring, a sealing plug, a signal terminal, a sealing ring, a stopping claw, a socket shell, a sealing gasket, a socket rubber core and a screw; the bolt coupling groove is provided on the socket housing.