CN112421288A

CN112421288A - A high voltage and high current connector

Info

Publication number: CN112421288A
Application number: CN202011427278.9A
Authority: CN
Inventors: 李晋平; 徐平安; 刘泽标; 林国军
Original assignee: Shenzhen Busbar Sci Tech Development Co Ltd
Current assignee: Shenzhen Basha Technology Development Co., Ltd.
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-02-26
Anticipated expiration: 2040-12-09
Also published as: CN112421288B

Abstract

The invention belongs to the technical field of connectors, in particular to a high-voltage and high-current connector, comprising a plug assembly and a socket assembly; the plug assembly includes a first shell part, a second shell part, a plug insulator, a terminal jack assembly and a tail buckle , the axis of the inner hole of the first shell part and the axis of the inner hole of the second shell part are not on the same line; the plug insulator is installed in the first shell part, the terminal jack assembly is installed in the plug insulator, and the terminal jack assembly is connected One end of the cable and the other end of the cable are connected to the outside world. The socket assembly includes a socket housing, a socket insulating member and a terminal pin. The socket insulating member is installed in the socket housing, and the terminal pin is installed in the socket insulating member. The socket shell extends into the second shell part, and the terminal pins are connected with the terminal jack assembly, so that the terminal pins are electrically connected with the cable. There is a certain angle between the first shell part and the second shell part of the plug assembly, so that the size of the connector is reduced and the occupied space is reduced.

Description

High-voltage high-current connector

Technical Field

The invention belongs to the technical field of connectors, and particularly relates to a high-voltage high-current connector.

Background

With the development of science and technology and the improvement of living standard, more and more people choose to drive the automobile for going out.

In general, various electrical devices are mounted in an automobile, and the electrical devices are connected to an electronic control unit of the automobile through an automobile harness and a connector to communicate with each other. Among other things, connectors function in automobiles to bridge the communication between blocked or isolated electrical circuits, thereby enabling the flow of electricity.

Most of the existing connectors are linear structures, and have the problems of single structure, large product volume and low flexibility.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: aiming at the problem of large volume of the existing connector product, a high-voltage large-current connector is provided.

In order to solve the above technical problems, the present invention provides a high voltage and high current connector, which comprises a plug assembly and a socket assembly;

the plug assembly comprises a plug outer shell, a plug insulating part, a terminal jack assembly and a tail buckle, wherein the plug outer shell comprises a first shell part and a second shell part which are fixed or integrally formed, and the axis of an inner hole of the first shell part and the axis of an inner hole of the second shell part are not on the same straight line; the plug insulating part is arranged in an inner hole of the first shell part, the terminal jack assembly is arranged in the plug insulating part, the terminal jack assembly is connected with one end of a cable, the tail buckle is arranged at the end part, far away from the second shell part, of the first shell part, and the other end of the cable penetrates out of the tail buckle;

the socket assembly comprises a socket shell, a socket insulating piece and terminal pins, wherein the socket insulating piece is installed in the socket shell, and the terminal pins are installed in the socket insulating piece; the plug insulating part is provided with a contact pin through hole;

when the plug assembly is connected with the socket assembly, the socket shell extends into the second shell part, and the terminal pins pass through the pin penetrating holes to be connected with the terminal jack assembly in the plug insulating member, so that the terminal pins are electrically connected with cables.

Optionally, the terminal jack subassembly with tail is detained and has been set gradually afterbody shielding piece, shielding clamping ring, afterbody clamp plate, the waterproof circle of afterbody and afterbody fastener between, the afterbody shielding piece is installed on the plug insulator, the shielding clamping ring cover is established on the cable, the first end of shielding clamping ring is passed the afterbody shielding piece extends to in the plug insulator, the second pot head of shielding clamping ring is established in the afterbody clamp plate, the one end butt of afterbody clamp plate the afterbody shielding piece, the other end butt of afterbody clamp plate the waterproof circle of afterbody, the periphery butt of the waterproof circle of afterbody the inner wall of first shell part.

Optionally, a plurality of pressing plate elastic pieces are arranged on the tail pressing plate, a groove is formed in the inner wall of the first shell portion, and the pressing plate elastic pieces extend into the groove.

Optionally, an inner shell is arranged on the second shell part, the inner shell is integrally connected with the second shell part, and the inner shell divides a cavity in the second shell part into a first cavity and a second cavity;

when the plug assembly is connected with the socket assembly, the socket shell is located in the first cavity, and the socket insulator is located in the second cavity.

Optionally, be provided with in the second shell part and counterpoint waterproof circle, waterproof circle clamp plate and counterpoint the shielding sheet, counterpoint waterproof circle cover is established on the inner shell, waterproof circle clamp plate cover is established butt on the inner shell the counterpoint waterproof circle, counterpoint the shielding sheet and install on the waterproof circle clamp plate, counterpoint the shielding sheet and contradict the inner wall of socket shell.

Optionally, the high-voltage high-current connector further comprises a detection assembly for detecting whether the plug assembly and the socket assembly are connected in place, and the detection assembly is installed in the socket insulator;

the second shell part is provided with a signal spring piece, one end of the detection assembly is connected with two signal cables, and the other end of the detection assembly abuts against the signal spring piece, so that the two signal cables form a signal path through the signal spring piece.

Optionally, the detection assembly comprises a signal adaptor and a switching signal pin, one end of the signal adaptor is connected with the signal cable, the other end of the signal adaptor is connected with the switching signal pin, and one end of the switching signal pin, which is far away from the signal adaptor, extends into the second shell part and abuts against the signal spring plate.

Optionally, the socket insulator comprises a socket insulator body, a pin mounting member and a detection assembly mounting member, the terminal pin is arranged in the pin mounting member, and the detection assembly is arranged in the detection assembly mounting member;

the signal adapter is characterized in that a plastic buckle mounting hole is formed in the detection component mounting piece, a plastic buckle is mounted in the plastic buckle mounting hole, and the plastic buckle is connected with the signal adapter in the detection component mounting piece.

Optionally, the high voltage high current connector further comprises a handle assembly mounted on the first housing portion.

Optionally, the first shell portion is sleeved with an integral shielding press ring.

According to the invention, a certain included angle is formed between the first shell part and the second shell part of the plug assembly, so that the size of the connector is reduced, and the occupied space is reduced. When the plug assembly is connected with the socket assembly in an inserting mode, the opposite inserting contact area of the terminal contact pin is inserted into the terminal socket assembly in an inserting mode, so that the terminal contact pin is electrically connected with a cable connected to the electronic contact pin assembly, and high-voltage and high-current output is achieved.

Drawings

Fig. 1 is a schematic structural diagram of a high-voltage high-current connector according to an embodiment of the present invention;

FIG. 2 is a schematic exploded view of a plug assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of a portion of a plug assembly according to an embodiment of the present invention;

fig. 4 is a schematic bottom view of a plug assembly according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 4;

fig. 6 is a schematic structural diagram of a terminal buckle and a terminal clamping groove according to an embodiment of the present invention;

FIG. 7 is a schematic view of a mating structure of the tail clamp plate according to an embodiment of the present invention;

FIG. 8 is a schematic cross-sectional view taken along line C-C of FIG. 4;

FIG. 9 is a schematic cross-sectional view taken along line D-D of FIG. 4;

FIG. 10 is a schematic cross-sectional view taken along line E-E of FIG. 4;

FIG. 11 is a schematic sectional view in the direction F-F in FIG. 4;

figure 12 is a schematic view of a mating structure of a spring and a jack housing according to an embodiment of the present invention;

fig. 13 is an exploded view of a receptacle assembly according to an embodiment of the present invention;

fig. 14 is a front view of a plug assembly according to an embodiment of the present invention;

FIG. 15 is a schematic sectional view taken along line A-A of FIG. 14;

fig. 16 is a schematic structural diagram of a signal adapter according to an embodiment of the present invention;

fig. 17 is a schematic structural diagram of a terminal pin according to an embodiment of the present invention;

fig. 18 is a schematic bottom view of a high-voltage high-current connector according to an embodiment of the invention;

FIG. 19 is a schematic sectional view taken along line G-G of FIG. 18;

fig. 20 is a schematic sectional view taken along direction H-H in fig. 18.

The reference numerals in the specification are as follows:

100. a plug assembly; 101. a first shell portion; 1011. a first buckle; 1012. a groove; 1013. a sixth card slot; 102. a second shell portion; 1021. an inner shell; 1022. a first cavity; 1023. a second cavity; 103. a plug insulator; 1031. inserting a pin for punching; 1032. a terminal buckle; 1033. a second buckle; 104. a terminal receptacle assembly; 1041. a reed; 1042. a jack housing; 1043. a terminal card slot; 1044. a notch; 105. a tail buckle; 1051. a first card slot; 106. a tail shield sheet; 1061. a second card slot; 1062. a first spring plate; 1063. a second elastic sheet; 107. shielding the compression ring; 108. a tail pressing plate; 1081. pressing plate elastic sheets; 109. a tail waterproof ring; 110. a tail wire clamp; 111. inserting waterproof rings; 112. a waterproof ring pressing plate; 1121. an inner laminate; 1122. an outer laminate; 113. oppositely inserting shielding sheets; 114. a signal spring plate; 115. a TPA plug-in; 116. integrally shielding the compression ring;

200. a receptacle assembly; 201. a socket housing; 202. a socket insulator; 2021. a socket insulator body; 2022. a pin mounting member; 2023. detecting a component mount; 2024. a third card slot; 2025. plastic button mounting holes; 203. a terminal pin; 2031. pressing and riveting the nut; 2032. a mating contact area; (ii) a 2033. Grooving; 204. plastic buttons; 205. a signal transfer member; 2051. a third elastic sheet; 2052. a plastic buckle connection part; 2053. a signal jack; 206. switching signal pins; 207. a waterproof ring of the socket;

300. a handle assembly; 301. a booster handle; 3011. a fourth card slot; 3012. an accommodating chamber; 302. a handle pressing plate; 3021. a platen body; 3022. a fourth buckle; 303. a spring; 304. a locking block; 3041. a locking block main body; 3042. a first protruding block; 3043. a second protruding block.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

As shown in fig. 1 to 20, the high-voltage high-current connector provided by the invention comprises a plug assembly 100 and a receptacle assembly 200, wherein the plug assembly 100 and the receptacle assembly 200 are connected in a plugging manner. The plug assembly 100 comprises a plug outer shell, a plug insulating part 103, a terminal jack assembly 104 and a tail buckle 105, wherein the plug outer shell comprises a first shell part 101 and a second shell part 102 which are fixed or integrally formed, the axis of an inner hole of the first shell part 101 is not collinear with the axis of an inner hole of the second shell part 102, and a certain included angle is formed between the first shell part 101 and the second shell part 102. The plug insulator 103 is installed in the inner hole of the first shell part 101, the terminal jack component 104 is installed in the plug insulator 103, the terminal jack component 104 is connected with one end of a cable, the first shell part 101 is far away from the end part of the second shell part 102, the tail buckle 105 is installed, and the other end of the cable penetrates out of the tail buckle 105.

The socket assembly 200 comprises a socket shell 201, a socket insulator 202 and terminal pins 203, wherein the socket insulator 202 is installed in the socket shell 201, the terminal pins 203 are installed in the socket insulator 202, and one end of the socket shell 201, which is far away from the plug assembly 100, is sleeved with a socket waterproof ring 207.

When the plug assembly 100 is connected with the socket assembly 200, the socket housing 201 extends into the second shell portion 102, the plug insulator 103 is provided with pin through holes 1031, and the terminal pins 203 pass through the pin through holes 1031 to be connected with the terminal socket assembly 104 in the plug insulator 103, so that the terminal pins 203 are electrically connected with cables.

In the invention, a certain included angle is formed between the first shell part 101 and the second shell part 102 of the plug assembly 100, so that the volume of the connector is reduced, and the occupied space is reduced. When the plug assembly 100 is connected to the receptacle assembly 200 in a plugging manner, the mating contact area 2032 of the terminal pin 203 is plugged into the terminal receptacle assembly 104, so that the terminal pin 203 is electrically connected to a cable connected to the terminal receptacle assembly 104, thereby outputting a high voltage and a high current.

In an embodiment, the high-voltage high-current connector is a two-core connector, two cables are connected, the cables are connected with the terminal jack component 104 in a crimping or welding manner, correspondingly, two terminal jack components 104 are provided, a cavity is arranged inside the plug insulator 103, and the terminal jack component 104 is arranged in the cavity.

As shown in fig. 12, one end of the terminal jack assembly 104 includes a spring plate 1041 and a jack housing 1042, and adopts a U-shaped structure design, wherein 4 piercing designs are made on the spring plate 1041, and 4 notches 1044 are made on the jack housing 1042, so that the two are more firmly assembled, especially under the condition of ultrasonic welding high frequency, the spring plate 1041 cannot move up and down, thereby ensuring that it does not fall off, which is more firmly than the existing rivet pressing method.

One end of the terminal jack assembly 104 is a spring plate 1041, the other end of the terminal jack assembly 104 is connected with a cable, and the spring plate 1041 is made of a metal material. As shown in fig. 17, a clinch nut 2031 is connected to one end of the terminal pin 203 for connecting the socket assembly 200 to a wiring nose or a copper bar in a lap joint manner, and the other end of the terminal pin 203 is an opposite insertion contact area 2032, and when the plug assembly 100 is connected to the socket assembly 200, the opposite insertion contact area 2032 of the terminal pin 203 is in contact with the spring plate 1041 to realize electrical conduction.

The terminal pins 203 are formed in a round copper bar cold heading mode, and the surface of the opposite insertion contact area 2032 and the surface of the overlap joint line nose or the copper bar area are designed in a surface-surface vertical mode, so that the eccentric design requirement is met, the whole width of a product is reduced, and the magnetic ring passing in the copper bar overlap joint area is facilitated. In addition, the opposite insertion contact area 2032 is provided with a cutting groove 2033 for facilitating the glue consumption during insert-molding, so that the whole is firm and the terminal pins 203 are not easy to fall off from the terminal socket assembly 104.

In one embodiment, the receptacle assembly 200 is locked to the chassis by the rivet nut 2031 on the terminal pin 203, and after the plug assembly 100 is plugged into the receptacle assembly 200, current flows through the terminal pin 203 of the receptacle assembly 200 inside the chassis, the terminal jack assembly 104 of the plug assembly 100 outside the chassis, and the cable to achieve communication.

After the plug assembly 100 and the socket assembly 200 are locked, the socket waterproof ring 207 is matched with a chassis, the plug waterproof ring 11 on the plug assembly 100 is extruded with the side surface of the socket shell 201, and the tail waterproof ring 109 is matched with a cable to realize isolation from the outside, so that the IP67 is achieved.

As shown in fig. 2-3, in one embodiment, the tail clasp 105 snaps over the end of the first shell portion 101, enclosing the components disposed in the first shell portion 101 in the second shell portion 102. A plurality of first buckles 1011 are arranged on the first shell part 101, a plurality of first clamping grooves 1051 are arranged on the tail buckle 105, each first buckle 1011 is connected in the first clamping groove 1051 in a one-to-one correspondence mode, the outer contour size of the end part of the first shell part 101 is matched with the size of the inner contour of the tail buckle 105, and the tail buckle 105 is equivalent to the cover of the first shell part 101 and is connected to the first shell part 101 in a buckling mode.

As shown in fig. 5 and 10, in an embodiment, after the terminal jack assembly 104 is inserted into the plug insulator 103, the relative position is fixed by the TPA plug-in 115, a jack for inserting the TPA plug-in 115 is disposed on the plug insulator 103, the jack and the pin through-hole 1031 are located on the same side of the plug insulator 103, and the TPA plug-in 115 is buckled on the plug insulator 103 and is clamped to limit the terminal jack assembly 104.

As shown in fig. 5 to 6, in an embodiment, the inner wall of the plug insulator 103 near the end of the second housing portion 102 is provided with a terminal catch 1032, the terminal receptacle assembly 104 is provided with a terminal catch 1043, the terminal catch 1032 catches in the terminal catch 1043 after the terminal receptacle assembly 104 is installed in the plug insulator 103, and the retention force of the terminal receptacle assembly 104 in the plug insulator 103 is ensured by the TPA insert 115 and the terminal catch 1032 on the plug insulator 103.

As shown in fig. 2, in an embodiment, the terminal jack assembly 104 with the tail is buckled and is set gradually afterbody shielding piece 106, shielding clamping ring 107, tail clamp plate 108, the waterproof circle of afterbody 109 and tail fastener 110 between 105, the afterbody shielding piece 106 is installed on plug insulator 103, shielding clamping ring 107 cover is established on the cable, the first end of shielding clamping ring 107 is passed the afterbody shielding piece 106 extends to in the plug insulator 103, the second pot head of shielding clamping ring 107 is established in the tail clamp plate 108, the one end butt of tail clamp plate 108 the tail shielding piece 106, the other end butt of tail clamp plate 108 the waterproof circle of afterbody 109, the waterproof circle of afterbody 109's periphery butt the inner wall of first shell part 101.

As shown in fig. 7, in an embodiment, the tail shield 106 is fastened to an end of the plug insulator 103, a plurality of second fasteners 1033 are disposed on the plug insulator 103, a plurality of second locking slots 1061 are disposed on the tail shield 106, each of the second fasteners 1033 is connected to the second locking slot 1061 in a one-to-one correspondence manner, the tail shield 106 is equivalent to a cover of the plug insulator 103 and is fastened to the plug insulator 103, so as to further limit the terminal jack assembly 104 in the plug insulator 103, and prevent the terminal jack assembly 104 from being removed from the plug insulator 103.

As shown in fig. 3 and 11, in an embodiment, a plurality of first resilient tabs 1062 and a plurality of second resilient tabs 1063 are disposed on the rear shielding plate 106, the first resilient tabs 1062 extend in a bending manner toward the plug insulator 103, and the plurality of first resilient tabs 1062 are disposed around the first end of the shielding press ring 107, so as to clamp the first end of the shielding press ring 107. The second elastic sheet 1063 is bent and extended toward the tail pressing plate 108, and a plurality of second elastic sheets 1063 are disposed around the tail pressing plate 108, so as to clamp the tail pressing plate 108, and the second elastic sheets 1063 may abut against the first case portion 101.

The tail clip 110 is located between the tail waterproof ring 109 and the tail buckle 105, and when the tail buckle 105 is buckled on the first shell part 101, the clamping jaw of the tail clip 110 is pressed to clamp the cable.

In an embodiment, the number of the shielding press rings 107 is consistent with the number of the cables, one shielding press ring 107 is sleeved on each cable, and one tail shielding sheet 106, one tail press plate 108, one tail waterproof ring 109 and one tail wire clamp 110 are arranged.

As shown in fig. 3 and 7, in an embodiment, a plurality of pressing plate springs 1081 are disposed on the rear pressing plate 108, a groove 1012 is disposed on the inner wall of the first shell portion 101, the pressing plate springs 1081 extend into the groove 1012 to move the rear pressing plate 108 toward the plug insulator 103, and when a click is heard, it indicates that the pressing plate springs 1081 are caught in the groove 1012, so that the rear pressing plate 108 cannot move in the opposite direction, and the rear pressing plate 108 abuts against the rear shielding plate 106, which can prevent the connection failure between the rear shielding plate 106 and the plug insulator 103.

As shown in fig. 5, in an embodiment, an inner shell 1021 is disposed on the second shell portion 102, the inner shell 1021 is integrally connected to the second shell portion 102, and the inner shell 1021 divides a cavity in the second shell portion 102 into a first cavity 1022 and a second cavity 1023. In the socket assembly 200, after the socket insulator 202 is installed in the socket housing 201, there is a gap between the socket insulator 202 and the socket housing 201, when the plug assembly 100 is connected to the socket assembly 200, the socket housing 201 is located in the first cavity 1022, the socket insulator 202 is located in the second cavity 1023, and the terminal pins 203 in the socket insulator 202 contact the terminal jack assembly 104.

As shown in fig. 2, in an embodiment, an opposite-insertion waterproof ring 111, a waterproof ring pressing plate 112, and an opposite-insertion shielding sheet 113 are disposed in the second shell portion 102, the opposite-insertion waterproof ring 111 is sleeved on the inner shell 1021, the waterproof ring pressing plate 112 is sleeved on the inner shell 1021 and abuts against the opposite-insertion waterproof ring 111 to prevent the opposite-insertion waterproof ring 111 from falling off, the opposite-insertion shielding sheet 113 is mounted on the waterproof ring pressing plate 112, and the opposite-insertion shielding sheet 113 abuts against an inner wall of the socket housing 201.

As shown in fig. 2, in an embodiment, the waterproof ring pressing plate 112 includes an inner pressing plate 1121 and an outer pressing plate 1122, the inner pressing plate 1121 is disposed in the second cavity 1023, the outer pressing plate 1122 is formed by folding an end portion of the inner pressing plate 1121 outward and extending in a direction parallel to the inner pressing plate 1121, the outer pressing plate 1122 is located in the first cavity 1022, and the outer pressing plate 1122 abuts against the waterproof ring 111. The inner shell 1021 extends between the inner laminate 1121 and the outer laminate 1122, and the socket housing 201 is positioned between the outer laminate 1122 and the inner wall of the second shell portion 102.

In one embodiment, as shown in fig. 9, 13 and 14, the high-voltage high-current connector further includes a detection assembly for detecting whether the plug assembly 100 and the socket assembly 200 are connected in place, and the detection assembly is mounted in the socket insulator 202. The second shell portion 102 is provided with a signal spring piece 114, one end of the detection assembly is connected with two signal cables, and the other end of the detection assembly abuts against the signal spring piece 114, so that the two signal cables form a signal path through the signal spring piece 114, and when the signal path is communicated, the plug assembly 100 and the socket assembly 200 are well plugged.

In one embodiment, the socket insulator 202 includes a socket insulator body 2021, a pin mounting member 2022, and a detecting member mounting member 2023 thereon, the terminal pins 203 are disposed in the pin mounting member 2022, and the detecting member is disposed in the detecting member mounting member 2023. A plastic buckle mounting hole 2025 is formed in the detection component mounting member 2023, a plastic buckle 204 is mounted in the plastic buckle mounting hole 2025, and the plastic buckle 204 is connected to the signal adapter 205 in the detection component mounting member 2023.

In one embodiment, there are two terminal pins 203, each terminal pin 203 is connected to the terminal jack assembly 104 in a one-to-one correspondence, and the detecting assembly is disposed between two terminal pins 203.

As shown in fig. 15, in an embodiment, the detection assembly includes a signal adapter 205 and a adapting signal pin 206, one end of the signal adapter 205 is connected to a signal cable, the other end of the signal adapter 205 is provided with a signal jack 2053, the adapting signal pin 206 is inserted into the signal jack 2053, and one end of the adapting signal pin 206, which is far away from the signal adapter 205, protrudes into the second shell portion 102 to abut against the signal dome 114.

Two signal cables are arranged, correspondingly, two signal adapters 205 and two signal adapter pins 206 are arranged, and after the signal adapter pins 206 are inserted into the signal adapters 205, the signal adapters 205 are pushed into the detection component mounting pieces 2023. The signal adapter 205 is provided with a third elastic sheet 2051, the detection component mounting member 2023 is provided with a third clamping groove 2024, and when the signal adapter 205 is pushed in, a click sound is heard to indicate that the third elastic sheet 2051 is clamped in the third clamping groove 2024, and the signal adapter 205 is mounted in place.

As shown in fig. 16, in an embodiment, the signal adapter 205 is provided with a plastic button connection portion 2052, and when the plastic button 204 is mounted on the detection component mounting member 2023, the plastic button 204 can extend into the plastic button connection portion 2052 to further lock the signal adapter 205.

In one embodiment, as shown in fig. 2, the high voltage high current connector further comprises a handle assembly 300 mounted on the first housing portion 101. The handle assembly 300 comprises a power handle 301, a handle pressure plate 302, a spring 303 and a locking block 304, wherein the power handle 301 is mounted on the first shell part 101.

The booster handle 301 is provided with a containing cavity 3012, the handle pressing plate 302, the spring 303 and the locking block 304 are arranged in the containing cavity 3012, the handle pressing plate 302 comprises a pressing plate main body 3021 and a plurality of fourth buckles 3022 connected to the pressing plate main body 3021, the booster handle 301 is provided with a plurality of fourth clamping grooves 3011, and each of the fourth buckles 3022 is connected to the fourth clamping groove 3011 in a one-to-one manner.

As shown in fig. 2 and 8, the lock block 304 includes a lock block body 3041, a first protruding block 3042 and a second protruding block 3043, the first protruding block 3042 and the second protruding block 3043 are mounted on the lock block body 3041, the first protruding block 3042 can protrude out of the accommodating cavity 3012 to the outside of the accommodating cavity 3012, a sixth locking groove 1013 is disposed on the first shell part 101, and the second protruding block 3043 can penetrate through the outer wall of the accommodating cavity 3012 to protrude into the sixth locking groove 1013.

The spring 303 is connected between the handle press plate 302 and the locking block 304. After the booster handle 301 is mounted on the first shell portion 101, the handle pressing plate 302, the spring 303 and the locking block 304 are placed in the accommodating cavity 3012, the handle pressing plate 302 is pushed, when a click is heard, the fourth snap 3022 is snapped in the fourth snap slot 3011, and the second protruding block 3043 is fitted in the sixth snap slot 1013, so that the booster handle 301 is locked on the plug assembly 100, the degree of freedom of the booster handle 301 is limited, and the connection between the plug assembly 100 and the socket assembly 200 is prevented from being affected by the shaking of the booster handle 301.

In one embodiment, the first casing portion 101 is sleeved with an integral shielding collar 107.

The assembling process comprises the following steps:

1. assembly of the socket assembly 200: firstly, the two terminal pins 203 and the adapting signal pin 206 are injection-molded in the socket insulator 202 by means of insert-molding, then the socket insulator 202 is installed in the socket housing 201 (four plastic buttons 204 are turned over on the socket housing 201), the rivet nuts 2031 are respectively riveted on the two terminal pins 203, the socket housing 201 is provided with waterproof rings, the signal adapter 205 with the signal cable crimped thereon is assembled in the detection component mounting part 2023 (when a click sound is heard, the third elastic sheet 2051 on the signal adapter 205 is completely opened and clamped in the third clamping groove 2024, that is, the signal adapter is assembled in place), and finally the plastic buttons 204 are installed in the socket insulator 202 to prevent the signal adapter 205 from loosening for the second time, that is, the assembly is completed.

2. Assembly of the plug assembly 100 (individual shielding): first, waterproof grommet 111 is installed into second shell portion 102, and waterproof grommet press plate 112 is assembled to waterproof grommet press plate 112 (in a flip-flop design) and waterproof grommet press plate 112 is flipped over inner shell 1021.

The locking block 304, the spring 303 and the handle press plate 302 are assembled to the assist handle 301 in this order, and the assembled handle assembly 300 is assembled to the plug assembly 100.

Will afterbody shielding piece 106 lock is in on the plug insulator 103, in proper order the tail is detained 105 the tail fastener 110 the waterproof circle of afterbody 109 the afterbody clamp plate 108 shielding clamping ring 107 passes the cable, through special crimping equipment or ultrasonic welding equipment, will terminal jack subassembly 104 crimping or welding are on the cable, behind crimping or the welding cable shielding clamping ring 107 crimping respectively on the cable, finally disclose crimping or welded cable respectively in the plug insulator 103 (hear a sound of claying, explain terminal jack subassembly 104 terminal buckle 1032 with in the plug insulator 103 terminal draw-in groove 1043 is buckled, the equipment targets in place), detains respectively TPA plug-in components 115 (the secondary prevents that terminal jack subassembly 104 from taking off pine), then in proper order the plug insulator 103 the tail clamp plate 108, tail clamp plate 108, The tail waterproof ring 109 and the tail wire clamp 110 are pushed into the first shell part 101, and then the tail buckle 105 is buckled, namely the assembly is completed.

And (3) individual shielding conduction: can switch on with the crimping through the mesh grid of cable shielding clamping ring 107, shielding clamping ring 107 first end (front end) with on the afterbody shielding piece 106 first shell fragment 1062 contact switches on, second shell fragment 1063 on the afterbody shielding piece 106 is contradicted first shell part 101, can with plug housing switches on, plug housing and equipment on second shell part 102 switch on to inserting shielding piece 113, switch on to inserting shielding piece 113 through extrusion contact socket shell 201, finally realize socket shell 201 switches on with the shielding of quick-witted case box.

3. Assembly of the plug assembly 100 (integral shield): first, waterproof grommet 111 is installed into second shell portion 102, and waterproof grommet press plate 112 is assembled to waterproof grommet press plate 112 (in a flip-flop design) and waterproof grommet press plate 112 is flipped over inner shell 1021.

The tail buckle 105, the tail wire clamp 110, the tail waterproof ring 109 and the tail pressing plate 108 pass through a cable, and through special crimping equipment or ultrasonic welding equipment, the terminal jack component 104 is crimped or welded on the cable, the crimped or welded cable is respectively poked into the plug insulator 103 (a click is heard, the terminal buckle 1032 of the terminal jack component 104 is buckled with the terminal clamping groove 1043 in the plug insulator 103, the assembly is in place), the TPA plug-in 115 (the terminal jack component 104 is prevented from loosening for the second time) is respectively buckled, then the plug insulator 103 is sequentially buckled, the tail pressing plate 108, the tail waterproof ring 109 and the tail wire clamp 110 are pushed into the first shell part 101 and then buckled on the tail buckle 105, and finally the whole shielding pressing ring 107 and the cable shielding pressing net are arranged on the first shell part 101 through special equipment, the first shell part 101 is provided with a cutting groove, so that the cable shielding net is prevented from loosening after being crimped, and the assembly is completed.

Integral shielding conduction: can be in cable shielding net crimping through whole shielding clamping ring 116 on the plug casing, then the plug housing with assemble to inserting shielding plate 113 on the plug subassembly 100 switches on, to inserting shielding plate 113 and switch on through extrusion contact socket shell 201, and socket shell 201 and quick-witted case box realize shielding at last and switch on.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A high-voltage high-current connector, comprising a plug assembly and a socket assembly;

The plug assembly includes a plug shell, a plug insulator, a terminal jack assembly and a tail buckle, the plug shell includes a fixed or integrally formed first shell part and a second shell part, the axis of the inner hole of the first shell part and the axis of the inner hole of the second shell part are not on the same line; the plug insulator is installed in the inner hole of the first shell part, the terminal jack assembly is installed in the plug insulator, the terminal The jack assembly is connected to one end of the cable, the tail buckle is installed on the end of the first shell part away from the second shell part, and the other end of the cable passes through the tail buckle;

The socket assembly includes a socket housing, a socket insulating member and a terminal pin, the socket insulating member is installed in the socket housing, and the terminal pin is installed in the socket insulating member; the plug insulating member is provided with There are pin holes;

When connecting the plug assembly to the socket assembly, the socket housing extends into the second housing portion, the terminal pins pass through the pin penetration holes and the sockets in the plug insulator The terminal jack assemblies are connected so that the terminal pins are electrically connected to the cable.

2. The high-voltage and high-current connector according to claim 1, wherein a tail shielding sheet, a shielding pressure ring, a tail pressure plate, a tail waterproof ring and A tail wire clip, the tail shielding sheet is mounted on the plug insulator, the shielding pressure ring is sleeved on the cable, and the first end of the shielding pressure ring extends through the tail shielding sheet to the In the plug insulator, the second end of the shielding pressure ring is sleeved in the tail pressure plate, one end of the tail pressure plate abuts against the tail shield sheet, and the other end of the tail pressure plate abuts against the tail waterproof ring, the outer circumference of the tail waterproof ring abuts the inner wall of the first shell part.

3 . The high-voltage and high-current connector according to claim 2 , wherein a plurality of pressure plate elastic pieces are arranged on the rear pressure plate, and grooves are arranged on the inner wall of the first shell portion, and the pressure plate spring pieces extend. 4 . into the groove.

4 . The high-voltage and high-current connector according to claim 1 , wherein an inner shell is provided on the second shell part, and the inner shell is integrally connected with the second shell part, so the the inner shell divides the cavity in the second shell part into a first cavity and a second cavity;

When the plug assembly is connected to the socket assembly, the socket housing is located in the first cavity, and the socket insulator is located in the second cavity.

5. The high-voltage and high-current connector according to claim 4, wherein the second shell part is provided with a plug-in waterproof ring, a waterproof ring pressure plate and a plug-in shielding sheet, and the plug-in waterproof ring is sleeved on the On the inner shell, the waterproof ring pressing plate is sleeved on the inner shell to abut against the paired waterproof ring, the paired shielding sheet is mounted on the waterproof ring pressing plate, and the paired The insert shielding piece abuts against the inner wall of the socket shell.

6 . The high-voltage and high-current connector according to claim 1 , wherein the high-voltage and high-current connector further comprises a detection component for detecting whether the plug assembly and the socket assembly are connected in place, and the detection an assembly mounted in the socket insulator;

The second shell part is provided with a signal spring, one end of the detection component is connected with two signal cables, and the other end of the detection component abuts against the signal spring, so that the two signal cables pass through the signal spring Slices form signal pathways.

7 . The high-voltage and high-current connector according to claim 6 , wherein the detection component comprises a signal adapter and a signal transfer pin, one end of the signal adapter is connected to a signal cable, and the signal The other end of the transition piece is connected to the transition signal pin, and one end of the transition signal pin away from the signal transition piece protrudes into the second shell part to abut against the signal elastic piece.

8 . The high-voltage and high-current connector according to claim 6 , wherein the socket insulator body comprises a socket insulator body, a pin mount and a detection component mount, and the terminal pins are arranged on the In the pin mount, the detection component is arranged in the detection component mount;

The detection component mounting member is provided with a plastic buckle installation hole, a plastic buckle is installed in the plastic buckle installation hole, and the plastic buckle is connected to the signal adapter in the detection component installation member.

9. The high voltage high current connector of claim 1, further comprising a handle assembly mounted on the first housing portion.

10 . The high-voltage and high-current connector of claim 1 , wherein an integral shielding pressure ring is sleeved on the first shell portion. 11 .