A high voltage and high current connector

Abstract

The present invention belongs to the technical field of connectors, and in particular, relates to a high-voltage and high-current connector, including a plug assembly and a socket assembly; the plug assembly includes a first shell portion, a second shell portion, a plug insulator, a terminal jack assembly and a tail buckle, and the inner hole axis of the first shell portion and the inner hole axis of the second shell portion are not on the same straight line; the plug insulator is installed in the first shell portion, the terminal jack assembly is installed in the plug insulator, the terminal jack assembly is connected to one end of the cable, and the other end of the cable is connected to the outside world. The socket assembly includes a socket shell, a socket insulator and a terminal pin, the socket insulator is installed in the socket shell, and the terminal pin is installed in the socket insulator. The socket shell extends into the second shell portion, and the terminal pin is connected to the terminal jack assembly, so that the terminal pin is electrically connected to the cable. There is a certain angle between the first shell portion and the second shell portion of the plug assembly, which makes the connector smaller and reduces the occupied space.

Description

Technical Field

[0001] The invention belongs to the technical field of connectors, and in particular relates to a high-voltage and high-current connector. Background Art

[0002] With the development of science and technology and the improvement of living standards, more and more people choose to drive cars.

[0003] Automobiles are usually equipped with a variety of electrical devices, which are often connected to the automobile's electronic control unit through automobile wiring harnesses and connectors to achieve communication. Among them, the role of connectors in automobiles is to build a bridge of communication between blocked or isolated circuits, so that the current can be connected.

[0004] Most of the current connectors are linear in structure, which has the problems of single structure, large product size and low flexibility. Summary of the invention

[0005] The technical problem to be solved by the present invention is: to provide a high-voltage and high-current connector in view of the problem that existing connector products have large volumes.

[0006] In order to solve the above technical problems, the present invention provides a high-voltage and high-current connector, including a plug assembly and a socket assembly;

[0007] The plug assembly comprises a plug shell, a plug insulator, a terminal jack assembly and a tail buckle, wherein the plug shell comprises a first shell part and a second shell part which are fixed or integrally formed, and the inner hole axis of the first shell part and the inner hole axis of the second shell part are not on the same straight 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 jack assembly is connected to one end of the cable, the tail buckle is installed at 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;

[0008] The socket assembly comprises a socket shell, a socket insulator and a terminal pin, wherein the socket insulator is installed in the socket shell, and the terminal pin is installed in the socket insulator; a pin through hole is provided on the plug insulator;

[0009] When the plug assembly is connected to the socket assembly, the socket housing extends into the second shell portion, and the terminal pins pass through the pin holes and are connected to the terminal socket assembly in the plug insulating member, so that the terminal pins are electrically connected to the cable.

[0010] Optionally, a tail shielding sheet, a shielding pressure ring, a tail pressure plate, a tail waterproof ring and a tail wire clamp are arranged in sequence between the terminal jack assembly and the tail buckle, the tail shielding sheet is installed on the plug insulation, the shielding pressure ring is sleeved on the cable, the first end of the shielding pressure ring passes through the tail shielding sheet and extends into the plug insulation, 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 shielding sheet, the other end of the tail pressure plate abuts against the tail waterproof ring, and the outer periphery of the tail waterproof ring abuts against the inner wall of the first shell part.

[0011] Optionally, a plurality of pressure plate spring pieces are arranged on the tail pressure plate, a groove is arranged on the inner wall of the first shell part, and the pressure plate spring pieces extend into the groove.

[0012] Optionally, an inner shell is disposed on the second shell portion, the inner shell is integrally connected to the second shell portion, and the inner shell separates the cavity in the second shell portion into a first cavity and a second cavity;

[0013] When the plug assembly is connected to the socket assembly, the socket housing is located in the first cavity, and the socket insulating member is located in the second cavity.

[0014] Optionally, the second shell part is provided with a plug-in waterproof ring, a waterproof ring pressure plate and a plug-in shielding sheet, the plug-in waterproof ring is sleeved on the inner shell body, the waterproof ring pressure plate is sleeved on the inner shell body and abuts against the plug-in waterproof ring, the plug-in shielding sheet is installed on the waterproof ring pressure plate, and the plug-in shielding sheet abuts against the inner wall of the socket shell.

[0015] Optionally, the high-voltage and high-current connector further comprises a detection component for detecting whether the plug component and the socket component are properly connected, and the detection component is installed in the socket insulating member;

[0016] A signal shrapnel is arranged in the second shell part, one end of the detection component is connected to two signal cables, and the other end of the detection component abuts against the signal shrapnel, so that the two signal cables form a signal path through the signal shrapnel.

[0017] Optionally, the detection component includes a signal adapter and a transfer signal pin, one end of the signal adapter is connected to the signal cable, the other end of the signal adapter is connected to the transfer signal pin, and one end of the transfer signal pin away from the signal adapter extends into the second shell part to abut against the signal spring.

[0018] Optionally, the socket insulator comprises a socket insulator body, a pin mounting part and a detection component mounting part, the terminal pin is arranged in the pin mounting part, and the detection component is arranged in the detection component mounting part;

[0019] The detection component mounting piece is provided with a plastic buckle mounting hole, a plastic buckle is installed in the plastic buckle mounting hole, and the plastic buckle is connected to the signal adapter in the detection component mounting piece.

[0020] Optionally, the high-voltage, high-current connector further comprises a handle assembly mounted on the first shell portion.

[0021] Optionally, an integral shielding pressure ring is sleeved on the first shell portion.

[0022] In the present invention, a certain angle is formed between the first shell part and the second shell part of the plug assembly, so that the volume of the connector becomes smaller and the occupied space is reduced. When the plug assembly is plugged into the socket assembly, the plug-in contact area of ​​the terminal pin is plugged into the terminal jack assembly, so that the terminal pin is electrically connected to the cable connected to the electronic pin assembly, realizing the output of high voltage and high current. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of a high-voltage and high-current connector provided by an embodiment of the present invention;

[0024] Figure 2 is a schematic diagram of an exploded structure of a plug assembly provided by an embodiment of the present invention;

[0025] Figure 3 is a partial structural schematic diagram of a plug assembly provided in one embodiment of the present invention;

[0026] Figure 4 is a bottom view structural diagram of a plug assembly provided by an embodiment of the present invention;

[0027] Figure 5 yes Figure 4 Schematic diagram of the cross-sectional structure along the BB direction;

[0028] Figure 6 It is a schematic structural diagram of a terminal buckle and a terminal slot provided by an embodiment of the present invention;

[0029] Figure 7 It is a schematic diagram of the matching structure of the tail pressure plate provided by one embodiment of the present invention;

[0030] Figure 8 yes Figure 4 Schematic diagram of the cross-sectional structure in the CC direction;

[0031] Fig. 9 yes Figure 4 Schematic diagram of the cross-sectional structure along the middle DD direction;

[0032] Fig.10 yes Figure 4 Schematic diagram of the cross-sectional structure along the EE direction;

[0033] Fig.11 yes Figure 4 Schematic diagram of the cross-sectional structure in the middle FF direction;

[0034] Fig.12 It is a schematic diagram of the matching structure of the reed and the jack housing provided by an embodiment of the present invention;

[0035] Fig.13 is a schematic diagram of an exploded structure of a socket assembly provided by an embodiment of the present invention;

[0036] Fig.14 is a schematic diagram of the main structure of a plug assembly provided by an embodiment of the present invention;

[0037] Fig.15 yes Fig.14 Schematic diagram of the cross-sectional structure along the AA direction;

[0038] Fig.16 is a schematic structural diagram of a signal adapter provided by an embodiment of the present invention;

[0039] Fig.17 It is a schematic diagram of the structure of a terminal pin provided by an embodiment of the present invention;

[0040] Fig.18 It is a bottom view structural schematic diagram of a high voltage and high current connector provided by an embodiment of the present invention;

[0041] Fig.19 yes Fig.18 Schematic diagram of the cross-sectional structure along the GG direction;

[0042] Fig. 20 yes Fig.18 Schematic diagram of the cross-sectional structure along the HH direction.

[0043] The reference numerals in the specification are as follows:

[0044] 100, plug assembly; 101, first shell portion; 1011, first buckle; 1012, groove; 1013, sixth slot; 102, second shell portion; 1021, inner shell; 1022, first cavity; 1023, second cavity; 103, plug insulator; 1031, pin hole; 1032, terminal buckle; 1033, second buckle; 104, terminal jack assembly; 1041, spring; 1042, jack shell; 1043, terminal slot; 1044, notch; 105, tail Buckle; 1051, first card slot; 106, tail shielding sheet; 1061, second card slot; 1062, first spring sheet; 1063, second spring sheet; 107, shielding pressure ring; 108, tail pressure plate; 1081, pressure plate spring sheet; 109, tail waterproof ring; 110, tail wire clamp; 111, plug-in waterproof ring; 112, waterproof ring pressure plate; 1121, inner layer laminate; 1122, outer layer laminate; 113, plug-in shielding sheet; 114, signal spring sheet; 115, TPA plug-in; 116, overall shielding pressure ring;

[0045] 200, socket assembly; 201, socket housing; 202, socket insulator; 2021, socket insulator body; 2022, pin mounting member; 2023, detection assembly mounting member; 2024, third slot; 2025, plastic buckle mounting hole; 203, terminal pin; 2031, rivet nut; 2032, plug-in contact area; 2033, slot; 204, plastic buckle; 205, signal adapter; 2051, third spring piece; 2052, plastic buckle connecting part; 2053, signal jack; 206, transfer signal pin; 207, socket waterproof ring;

[0046] 300, handle assembly; 301, power handle; 3011, fourth slot; 3012, accommodating chamber; 302, handle pressure plate; 3021, pressure plate body; 3022, fourth buckle; 303, spring; 304, locking block; 3041, locking block body; 3042, first protruding block; 3043, second protruding block. DETAILED DESCRIPTION

[0047] In order to make the technical problems, technical solutions and beneficial effects solved by the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0048] like Figures 1 to 20As shown, a high-voltage and high-current connector provided by the present invention includes a plug assembly 100 and a socket assembly 200, and the plug assembly 100 and the socket assembly 200 are plug-connected. The plug assembly 100 includes a plug shell, a plug insulator 103, a terminal jack assembly 104 and a tail buckle 105. The plug shell includes a first shell part 101 and a second shell part 102 that are fixed or integrally formed, and the inner hole axis of the first shell part 101 and the inner hole axis of the second shell part 102 are not on the same straight line, and there is a certain angle 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, and the terminal jack assembly 104 is installed in the plug insulator 103. The terminal jack assembly 104 is connected to one end of the cable, and the end of the first shell part 101 away from the second shell part 102 is installed with the tail buckle 105, and the other end of the cable passes through the tail buckle 105.

[0049] The socket assembly 200 includes a socket shell 201, a socket insulator 202 and a terminal pin 203. The socket insulator 202 is installed in the socket shell 201, and the terminal pin 203 is installed in the socket insulator 202. The end of the socket shell 201 away from the plug assembly 100 is provided with a socket waterproof ring 207.

[0050] When the plug assembly 100 is connected to the socket assembly 200, the socket shell 201 extends into the second shell portion 102, and a pin through-hole 1031 is provided on the plug insulating member 103. The terminal pin 203 passes through the pin through-hole 1031 and is connected to the terminal socket assembly 104 in the plug insulating member 103, so that the terminal pin 203 is electrically connected to the cable.

[0051] In the present invention, a certain 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 becomes smaller and the occupied space is reduced. When the plug assembly 100 is plugged into the socket assembly 200, the plug-in contact area 2032 of the terminal pin 203 is plugged into the terminal jack assembly 104, so that the terminal pin 203 is electrically connected to the cable connected to the terminal jack assembly 104, realizing the output of high voltage and high current.

[0052] In one embodiment, the high-voltage and high-current connector is a dual-core connector, which is connected to two cables. The cables are connected to the terminal jack assembly 104 by crimping or welding. Accordingly, two terminal jack assemblies 104 are provided, and a cavity is provided inside the plug insulating part 103, and the terminal jack assembly 104 is provided in the cavity.

[0053] like Fig.12 As shown, one end of the terminal jack assembly 104 includes a reed 1041 and a jack housing 1042, and adopts a U-shaped structural design, wherein four puncture designs are made on the reed 1041, and four notches 1044 are made on the jack housing 1042, so that the two are more secure after assembly, especially under high-frequency ultrasonic welding conditions, the reed 1041 cannot move up and down, thereby ensuring that it does not fall off, which is more secure than the existing riveting method.

[0054] One end of the terminal jack assembly 104 is a spring 1041, and the other end of the terminal jack assembly 104 is connected to a cable, and the spring 1041 is made of metal. Fig.17 As shown, one end of the terminal pin 203 is connected to a rivet nut 2031, which is used for overlapping the socket assembly 200 on a wiring nose or a copper busbar. The other end of the terminal pin 203 is a plug-in contact area 2032. When the plug assembly 100 is connected to the socket assembly 200, the plug-in contact area 2032 of the terminal pin 203 contacts the spring 1041 to achieve electrical conduction.

[0055] The terminal pin 203 is formed by cold forging a round copper rod, and the surface of the plug-in contact area 2032 is vertically designed to the surface of the overlapping wire nose or copper bar area, so as to meet the eccentric design requirements, reduce the overall width of the product and facilitate the copper bar overlapping area to pass the magnetic ring. In addition, a groove 2033 is provided on the plug-in contact area 2032 to facilitate the glue eating during insert-molding, making it firm as a whole, and the terminal pin 203 is not easy to fall off from the terminal jack assembly 104.

[0056] In one embodiment, the socket assembly 200 is locked on the chassis by the rivet nut 2031 on the terminal pin 203. After the plug assembly 100 is inserted into the socket assembly 200, the current passes through the terminal pin 203 of the socket assembly 200 inside the chassis, the terminal jack assembly 104 of the plug assembly 100 outside the chassis, and the cable to achieve connectivity.

[0057] After the plug assembly 100 and the socket assembly 200 are locked, the socket waterproof ring 207 cooperates with the chassis, the plug-in waterproof ring 11 on the plug assembly 100 is squeezed by the side of the socket shell 201, and the tail waterproof ring 109 cooperates with the cable to achieve isolation from the outside and IP67.

[0058] like Figures 2 to 3As shown, in one embodiment, the tail buckle 105 is buckled at the end of the first shell part 101, and the components arranged in the first shell part 101 are enclosed in the second shell part 102. The first shell part 101 is provided with a plurality of first buckles 1011, and the tail buckle 105 is provided with a plurality of first slots 1051, each of the first buckles 1011 is connected to the first slot 1051 in a one-to-one correspondence, and the outer contour size of the end of the first shell part 101 is adapted to the inner contour size of the tail buckle 105, and the tail buckle 105 is equivalent to the cover of the first shell part 101, and is buckled and connected to the first shell part 101.

[0059] like Figure 5 , Fig.10 As shown, in one 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. The plug insulator 103 is provided with a jack for inserting the TPA plug-in 115. The jack and the pin through-hole 1031 are located on the same side of the plug insulator 103. The TPA plug-in 115 is buckled on the plug insulator 103 and clamps and limits the terminal jack assembly 104.

[0060] like Figures 5 and 6 As shown, in one embodiment, a terminal buckle 1032 is provided on the inner wall of one end of the plug insulator 103 close to the second shell part 102, and a terminal slot 1043 is provided on the terminal jack assembly 104. After the terminal jack assembly 104 is installed in the plug insulator 103, the terminal buckle 1032 is clamped in the terminal slot 1043, and the retention force of the terminal jack assembly 104 in the plug insulator 103 is ensured by the TPA plug-in 115 and the terminal buckle 1032 on the plug insulator 103.

[0061] like Figure 2 As shown, in one embodiment, a tail shielding sheet 106, a shielding pressure ring 107, a tail pressure plate 108, a tail waterproof ring 109 and a tail wire clamp 110 are sequentially arranged between the terminal jack assembly 104 and the tail buckle 105, the tail shielding sheet 106 is installed on the plug insulation 103, the shielding pressure ring 107 is sleeved on the cable, the first end of the shielding pressure ring 107 passes through the tail shielding sheet 106 and extends into the plug insulation 103, the second end of the shielding pressure ring 107 is sleeved in the tail pressure plate 108, one end of the tail pressure plate 108 abuts against the tail shielding sheet 106, the other end of the tail pressure plate 108 abuts against the tail waterproof ring 109, and the outer periphery of the tail waterproof ring 109 abuts against the inner wall of the first shell part 101.

[0062] like Figure 7 As shown, in one embodiment, the tail shielding sheet 106 is buckled on the end of the plug insulating member 103, a plurality of second buckles 1033 are provided on the plug insulating member 103, a plurality of second slots 1061 are provided on the tail shielding sheet 106, each of the second buckles 1033 is connected in a one-to-one correspondence in the second slot 1061, the tail shielding sheet 106 is equivalent to the cover of the plug insulating member 103, the buckle is connected to the plug insulating member 103, and the terminal jack assembly 104 is further confined in the plug insulating member 103 to prevent the terminal jack assembly 104 from moving out of the plug insulating member 103.

[0063] like Figure 3 , Fig.11 As shown, in one embodiment, the tail shielding sheet 106 is provided with a plurality of first spring pieces 1062 and a plurality of second spring pieces 1063, the first spring pieces 1062 are bent and extended toward the plug insulating member 103, and the plurality of first spring pieces 1062 are arranged around the first end of the shielding pressing ring 107, and can clamp the first end of the shielding pressing ring 107. The second spring pieces 1063 are bent and extended toward the tail pressing plate 108, and the plurality of second spring pieces 1063 are arranged around the tail pressing plate 108, and can clamp the tail pressing plate 108, and the second spring pieces 1063 can contact the first shell portion 101.

[0064] The tail wire clamp 110 is located between the tail waterproof ring 109 and the tail buckle 105 . When the tail buckle 105 is buckled onto the first shell portion 101 , the clamping claws of the tail wire clamp 110 are squeezed to clamp the cable.

[0065] In one embodiment, the number of the shielding pressure rings 107 is consistent with the number of cables, and one shielding pressure ring 107 is mounted on each cable. The tail shielding sheet 106, the tail pressure plate 108, the tail waterproof ring 109 and the tail wire clamp 110 are each provided with one.

[0066] like Figure 3 , Figure 7 As shown, in one embodiment, a plurality of pressure plate spring pieces 1081 are provided on the tail pressure plate 108, and a groove 1012 is provided on the inner wall of the first shell portion 101. The pressure plate spring piece 1081 extends into the groove 1012, and the tail pressure plate 108 is moved toward the plug insulating member 103. When a click sound is heard, it indicates that the pressure plate spring piece 1081 is stuck in the groove 1012, so that the tail pressure plate 108 cannot move in the opposite direction, and the tail pressure plate 108 abuts against the tail shielding plate 106, which can prevent the connection between the tail shielding plate 106 and the plug insulating member 103 from failing.

[0067] like Figure 5 As shown, in one embodiment, an inner shell 1021 is provided on the second shell portion 102, and the inner shell 1021 is integrally connected with the second shell portion 102, and the inner shell 1021 divides the 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 shell 201, there is a gap between the socket insulator 202 and the socket shell 201. When the plug assembly 100 is connected to the socket assembly 200, the socket shell 201 is located in the first cavity 1022, the socket insulator 202 is located in the second cavity 1023, and the terminal pin 203 in the socket insulator 202 contacts the terminal jack assembly 104.

[0068] like Figure 2 As shown, in one embodiment, the second shell part 102 is provided with a plug-in waterproof ring 111, a waterproof ring pressure plate 112 and a plug-in shielding sheet 113, the plug-in waterproof ring 111 is sleeved on the inner shell body 1021, the waterproof ring pressure plate 112 is sleeved on the inner shell body 1021 and abuts against the plug-in waterproof ring 111 to prevent the plug-in waterproof ring 111 from falling off, and the plug-in shielding sheet 113 is installed on the waterproof ring pressure plate 112, and the plug-in shielding sheet 113 abuts against the inner wall of the socket shell 201.

[0069] like Figure 2 As shown, in one embodiment, the waterproof ring pressing plate 112 includes an inner laminate 1121 and an outer laminate 1122. The inner laminate 1121 is disposed in the second cavity 1023. The outer laminate 1122 is formed by folding the end of the inner laminate 1121 outward and extending in a direction parallel to the inner laminate 1121. The outer laminate 1122 is located in the first cavity 1022 and abuts against the plug-in waterproof ring 111. The inner shell 1021 extends between the inner laminate 1121 and the outer laminate 1122, and the socket housing 201 is located between the outer laminate 1122 and the inner wall of the second shell portion 102.

[0070] like Fig. 9 , Fig.13 , Fig.14As shown, in one embodiment, the high-voltage and high-current connector further includes a detection component for detecting whether the plug assembly 100 and the socket assembly 200 are properly connected, and the detection component is installed in the socket insulating member 202. A signal spring 114 is provided in the second shell portion 102, one end of the detection component is connected to two signal cables, and the other end of the detection component contacts the signal spring 114, so that the two signal cables form a signal path through the signal spring 114. When the signal path is connected, it indicates that the plug assembly 100 and the socket assembly 200 are well plugged.

[0071] In one embodiment, the socket insulator 202 includes a socket insulator body 2021, a pin mounting member 2022, and a detection component mounting member 2023. The terminal pin 203 is disposed in the pin mounting member 2022, and the detection component is disposed in the detection component mounting member 2023. The detection component mounting member 2023 is provided with a plastic buckle mounting hole 2025, in which a plastic buckle 204 is mounted, and the plastic buckle 204 is connected to the signal adapter 205 in the detection component mounting member 2023.

[0072] In one embodiment, two terminal pins 203 are provided, each of the terminal pins 203 is connected to the terminal socket assembly 104 in a one-to-one correspondence, and the detection assembly is arranged between the two terminal pins 203 .

[0073] like Fig.15 As shown, in one embodiment, the detection component includes a signal adapter 205 and a transfer signal pin 206, one end of the signal adapter 205 is connected to the signal cable, and the other end of the signal adapter 205 is provided with a signal socket 2053, and the transfer signal pin 206 is inserted into the signal socket 2053, and the end of the transfer signal pin 206 away from the signal adapter 205 extends into the second shell part 102 and can abut against the signal spring piece 114.

[0074] There are two signal cables, and accordingly, there are two signal adapters 205 and two signal adapter pins 206. After the signal adapter pin 206 is inserted into the signal adapter 205, the signal adapter 205 is pushed into the detection component mounting member 2023. A third spring piece 2051 is provided on the signal adapter 205, and a third card slot 2024 is provided on the detection component mounting member 2023. When the signal adapter 205 is pushed in, a click sound is heard, indicating that the third spring piece 2051 is stuck in the third card slot 2024, and the signal adapter 205 is installed in place.

[0075] like Fig.16As shown, in one embodiment, a plastic buckle connecting portion 2052 is provided on the signal adapter 205 , and when the plastic buckle 204 is installed on the detection component mounting member 2023 , the plastic buckle 204 can extend into the plastic buckle connecting portion 2052 to further lock the signal adapter 205 .

[0076] like Figure 2 As shown, in one embodiment, the high-voltage and high-current connector further includes a handle assembly 300 mounted on the first shell portion 101. The handle assembly 300 includes a power-assisting handle 301, a handle pressing plate 302, a spring 303, and a locking block 304. The power-assisting handle 301 is mounted on the first shell portion 101.

[0077] The power-assisting handle 301 is provided with a accommodating cavity 3012, in which the handle pressure plate 302, the spring 303 and the locking block 304 are arranged, and the handle pressure plate 302 includes a pressure plate body 3021 and a plurality of fourth clips 3022 connected to the pressure plate body 3021, and the power-assisting handle 301 is provided with a plurality of fourth slots 3011, and each of the fourth clips 3022 is connected to the fourth slot 3011 one by one.

[0078] like Figure 2 , Figure 8 As shown, the locking block 304 includes a locking 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 installed on the locking block body 3041, the first protruding block 3042 can pass through the accommodating cavity 3012 and extend to the outside of the accommodating cavity 3012, and a sixth slot 1013 is provided on the first shell part 101, and the second protruding block 3043 can pass through the outer wall of the accommodating cavity 3012 and extend into the sixth slot 1013.

[0079] The spring 303 is connected between the handle pressure plate 302 and the locking block 304. After the booster handle 301 is installed on the first shell portion 101, the handle pressure plate 302, the spring 303 and the locking block 304 are placed in the accommodating cavity 3012, and the handle pressure plate 302 is pushed. When a click sound is heard, it indicates that the fourth buckle 3022 is engaged in the fourth slot 3011, and the second protruding block 3043 is engaged in the sixth slot 1013, and the booster handle 301 is locked on the plug assembly 100, limiting the degree of freedom of the booster handle 301, and preventing the shaking of the booster handle 301 from affecting the connection between the plug assembly 100 and the socket assembly 200.

[0080] In one embodiment, an integral shielding pressure ring 107 is sleeved on the first shell portion 101 .

[0081] The assembly process is:

[0082] 1. Assembly of the socket assembly 200: First, the two terminal pins 203 and the transfer signal pin 206 are injection molded into the socket insulation 202 by insert-molding, and then the socket insulation 202 is installed in the socket shell 201 (there are four plastic buckles 204 buckled on the socket shell 201), and the rivet nuts 2031 are riveted on the two terminal pins 203 respectively. A waterproof ring is installed on the socket shell 201, and the signal adapter 205 with the signal cable crimped is assembled into the detection component mounting part 2023 (a click sound is heard, indicating that the third spring piece 2051 on the signal adapter 205 is fully opened and stuck in the third slot 2024, that is, it is assembled in place), and finally the plastic buckle 204 is installed in the socket insulation 202 to prevent the signal adapter 205 from loosening for the second time, and the assembly is completed.

[0083] 2. Assembly of the plug assembly 100 (individually shielded): first install the plug-in waterproof ring 111 into the second shell part 102, assemble the plug-in shielding sheet 113 onto the waterproof ring pressure plate 112 (using an inverted design), and invert the waterproof ring pressure plate 112 onto the inner shell 1021.

[0084] The locking block 304 , the spring 303 and the handle pressing plate 302 are assembled onto the power-assisting handle 301 in sequence, and the assembled handle assembly 300 is assembled onto the plug assembly 100 .

[0085] The tail shielding sheet 106 is buckled onto the plug insulating part 103, and the tail buckle 105, the tail wire clamp 110, the tail waterproof ring 109, the tail pressure plate 108, and the shielding pressure ring 107 are passed through the cable in sequence. The terminal jack assembly 104 is crimped or welded onto the cable through a special crimping device or ultrasonic welding device. After crimping or welding the cable, the shielding pressure ring 107 is crimped onto the cable respectively, and finally the crimped or welded cables are inserted into the plug insulating part 103 respectively. 101 (a click sound is heard, indicating that the terminal buckle 1032 of the terminal jack assembly 104 is buckled with the terminal slot 1043 in the plug insulating member 103 and assembled in place), buckle the TPA plug-in 115 respectively (secondarily prevent the terminal jack assembly 104 from loosening), and then push the plug insulating member 103, the tail pressure plate 108, the tail waterproof ring 109, and the tail wire clamp 110 into the first shell part 101 in turn, and then buckle the tail buckle 105 to complete the assembly.

[0086] Separate shielding conduction: The braided mesh of the cable can be connected to the crimped shielding ring 107, the first end (front end) of the shielding ring 107 is in contact with the first spring piece 1062 on the tail shielding piece 106 for conduction, the second spring piece 1063 on the tail shielding piece 106 is in contact with the first shell part 101, and can be connected to the plug shell, the plug shell is connected to the plug-in shielding piece 113 assembled on the second shell part 102, the plug-in shielding piece 113 is connected by squeezing the socket shell 201, and finally the shielding conduction between the socket shell 201 and the chassis body is achieved.

[0087] 3. Assembly of the plug assembly 100 (overall shielding): first install the plug-in waterproof ring 111 into the second shell part 102, assemble the plug-in shielding sheet 113 onto the waterproof ring pressure plate 112 (using an inverted design), and invert the waterproof ring pressure plate 112 onto the inner shell 1021.

[0088] The locking block 304 , the spring 303 and the handle pressing plate 302 are assembled onto the power-assisting handle 301 in sequence, and the assembled handle assembly 300 is assembled onto the plug assembly 100 .

[0089] The tail buckle 105, the tail wire clamp 110, the tail waterproof ring 109 and the tail pressure plate 108 are sequentially passed through the cable, and the terminal jack assembly 104 is crimped or welded on the cable through a special crimping device or ultrasonic welding equipment, and the crimped or welded cables are inserted into the plug insulating part 103 (a click sound is heard, indicating that the terminal buckle 1032 of the terminal jack assembly 104 is buckled with the terminal slot 1043 in the plug insulating part 103 and assembled in place), respectively. Buckle up the TPA plug-in 115 (secondarily preventing the terminal jack assembly 104 from loosening), then push the plug insulator 103, the tail pressure plate 108, the tail waterproof ring 109, and the tail wire clamp 110 into the first shell part 101 in turn, and then buckle up the tail buckle 105. Finally, crimp the integral shielding pressure ring 107 and the cable shielding net onto the first shell part 101 through special equipment. The first shell part 101 has a groove design to prevent the cable shielding net from loosening after crimping, and the assembly is completed.

[0090] Overall shielding conduction: The cable shielding net can be crimped onto the plug shell through the overall shielding pressure ring 116, and then the plug shell is connected to the plug-in shielding plate 113 assembled on the plug assembly 100, and the plug-in shielding plate 113 is connected by extrusion contact with the socket shell 201, and finally the socket shell 201 and the chassis body are shielded and conductive.

[0091] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A high voltage and high current connector, characterized in that: Includes a plug assembly and a socket assembly; The plug assembly comprises a plug shell, a plug insulator, a terminal jack assembly and a tail buckle, wherein the plug shell comprises a first shell part and a second shell part which are fixed or integrally formed, and the inner hole axis of the first shell part and the inner hole axis of the second shell part are not on the same straight 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 jack assembly is connected to one end of the cable, the tail buckle is installed at 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 comprises a socket housing, a socket insulator and a terminal pin, wherein the socket insulator is installed in the socket housing, and the terminal pin is installed in the socket insulator; The plug insulating member is provided with a pin hole; When the plug assembly is connected to the socket assembly, the socket housing extends into the second shell portion, and the terminal pins pass through the pin holes and connect with the terminal jack assembly in the plug insulating member, so that the terminal pins are electrically connected to the cable; A tail shielding sheet, a shielding pressure ring, a tail pressing plate, a tail waterproof ring and a tail wire clamp are sequentially arranged between the terminal jack assembly and the tail buckle, the tail shielding sheet is mounted on the plug insulating member, the shielding pressure ring is sleeved on the cable, the first end of the shielding pressure ring passes through the tail shielding sheet and extends into the plug insulating member, the second end of the shielding pressure ring is sleeved in the tail pressing plate, one end of the tail pressing plate abuts against the tail shielding sheet, the other end of the tail pressing plate abuts against the tail waterproof ring, and the outer periphery of the tail waterproof ring abuts against the inner wall of the first shell portion; An inner shell is disposed on the second shell portion, the inner shell is integrally connected to the second shell portion, and the inner shell divides the cavity in the second shell portion 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 insulating member is located in the second cavity.

2. The high voltage and high current connector according to claim 1, characterized in that: A plurality of pressure plate spring pieces are arranged on the tail pressure plate, a groove is arranged on the inner wall of the first shell part, and the pressure plate spring pieces extend into the groove.

3. The high voltage and high current connector according to claim 1, characterized in that: The second shell part is provided with a plug-in waterproof ring, a waterproof ring pressure plate and a plug-in shielding sheet. The plug-in waterproof ring is sleeved on the inner shell body, the waterproof ring pressure plate is sleeved on the inner shell body and abuts against the plug-in waterproof ring, the plug-in shielding sheet is installed on the waterproof ring pressure plate, and the plug-in shielding sheet abuts against the inner wall of the socket shell.

4. The high voltage and high current connector according to claim 1, characterized in that: The high-voltage and high-current connector further includes a detection component for detecting whether the plug component and the socket component are properly connected, and the detection component is installed in the socket insulation component; A signal shrapnel is arranged in the second shell part, one end of the detection component is connected to two signal cables, and the other end of the detection component abuts against the signal shrapnel, so that the two signal cables form a signal path through the signal shrapnel.

5. The high voltage and high current connector according to claim 4, characterized in that: The detection component includes a signal adapter and an adapter signal pin, one end of the signal adapter is connected to the signal cable, the other end of the signal adapter is connected to the adapter signal pin, and one end of the adapter signal pin away from the signal adapter extends into the second shell part to abut against the signal spring.

6. The high voltage and high current connector according to claim 5, characterized in that: The socket insulator comprises a socket insulator body, a pin mounting part and a detection assembly mounting part, the terminal pin is arranged in the pin mounting part, and the detection assembly is arranged in the detection assembly mounting part; The detection component mounting piece is provided with a plastic buckle mounting hole, a plastic buckle is installed in the plastic buckle mounting hole, and the plastic buckle is connected to the signal adapter in the detection component mounting piece.

7. The high voltage and high current connector according to claim 1, characterized in that: The high voltage and high current connector further includes a handle assembly mounted on the first shell portion.

8. The high voltage and high current connector according to claim 1, characterized in that: An integral shielding pressure ring is sleeved on the first shell portion.

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