Wire harness connector assembly

Abstract

The utility model relates to the technical field of vehicle-mounted electric connection, in particular to a wire harness connector assembly which comprises a male end connector and a female end connector, the male end connector comprises a male end plastic shell, a male end inner shell, a male end insulator, a male end electric connection terminal, a male end wire harness and a male end fixing piece, and a male end plug is provided with a male end slot. One end of the male end slot penetrates to the male end fixing part; the male end inner shell is a metal shell and is arranged in the inner male end slot, and one side, facing the male end fixing part, of the male end inner shell extends to form a male end wire clamp; the female-end connector comprises a female-end outer shell, a female-end inner shell, a female-end metal shell, a female-end power connection terminal and a female-end fixing piece. The female-end outer shell is provided with a female-end placement cavity. The utility model is applied to a new energy automobile, and has the advantages of small overall dimension, compact structure, space saving and convenience in installation; and the requirements of a vehicle-mounted system on a power supply and signals are met. Production is convenient, assembling is convenient, and the structural cost is low.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicle-mounted electrical connection, in particular to a wiring harness connector assembly. Background Art

[0002] The vehicle connector is an electronic component used to connect the internal and external devices of the vehicle. With the rapid development of the automobile industry. With the trend of automobile intelligence and networking, the number and types of vehicle connectors are also increasing. For example, in-vehicle entertainment systems, camera systems, navigation systems, automatic driving systems, etc. all require vehicle connectors to realize data transmission and power supply between devices. As an important part of the driving assistance system, the connector of the vehicle camera is also constantly evolving and improving. Higher requirements are put forward for the vehicle camera connector, which needs to have the characteristics of low power consumption and high efficiency.

[0003] In actual use, the overall structure of the existing connector is complex due to design reasons, and is inconvenient to assemble, which is not conducive to mass production. Utility Model Content

[0004] In order to solve the above problems, the utility model is applied to new energy vehicles, with small overall dimensions, compact structure, space saving, and easy installation; it meets the power and signal requirements of the vehicle system, is easy to produce, easy to assemble, and has a low structural cost.

[0005] The technical solution adopted by the utility model is: a wiring harness connector assembly, including a male connector and a female connector, the male connector including a male plastic shell, a male inner shell, a male insulator, a male electrical terminal, a male wiring harness and a male fixing piece, a male plug and a male fixing part arranged at one end of the male plug are arranged in the male plastic shell, the male plug is provided with a male slot, one end of the male slot passes through the male fixing part; the male inner shell is a metal shell, and is arranged in the inner male slot, and a male wire clamp is extended on one side of the male inner shell toward the male fixing part; the male insulator is arranged inside the male inner shell, and the male insulator is arranged inside the male inner shell. The insulator is provided with a male terminal assembly groove, one end of which passes through the male insulator; one end of the male electrical terminal is inserted into the male insulator, and the other end extends toward the male wire clamp; one end of the male wire harness extends into the male fixed part and is connected to the male electrical terminal, and the male wire clamp is used to clamp and fix the male wire harness; the male fixing part is installed on the male fixed part and is used to fix the male wire harness to the male fixed part; male plug-in guide grooves are provided on both sides of the male plug, and one side of the male plug-in guide groove is connected to the male slot so that the male inner shell is exposed; the female connector includes a female outer shell, a female inner shell, and a female metal shell , a female end electrical terminal and a female end fixing part, the female end outer shell is provided with a female end placement cavity, one end of the female end placement cavity passes through the length direction of the female end outer shell, and one end of the female end placement cavity is provided with a female end limiting step; the female end inner shell is arranged in the female end placement cavity, and one end of the female end inner shell is provided with a female end limiting rib, and the female end limiting rib is used to cooperate on the female end limiting step to limit the female end inner shell in the female end placement cavity; a female end plug-in cavity is provided on one side of the female end inner shell close to the female end limiting rib, and female end through grooves are provided on both sides of the female end inner shell, one end of the female end through groove is connected to the female end plug-in cavity, and the female end inner shell is located at the female A female terminal fixing seat is provided at one end of the female terminal plug-in cavity, and the female terminal fixing seat is provided with a female terminal terminal slot, and one end of the female terminal terminal slot is connected to the female terminal plug-in cavity; the female terminal metal shell is covered on the outside of the female terminal inner shell, and is located between the female terminal inner shell and the female terminal placement cavity; female terminal contact springs are provided on both sides of the female terminal metal shell, and the contact ends of the female terminal contact springs extend from the female terminal through grooves into the female terminal plug-in cavity; a plurality of female terminal electrical terminals are provided, and one end of the female terminal electrical terminals is inserted into the female terminal terminal slot and extends into the female terminal plug-in cavity; the female terminal fixing piece is installed at one end of the female terminal placement cavity, and fixes the female terminal inner shell in the female terminal placement cavity.

[0006] A further improvement to the above scheme is that the male end plug is used to be inserted into the female end plug-in cavity, and the male end plug-in guide groove is used to cooperate with the female end contact spring insertion guide, so that the female end contact spring is in conductive contact with the male end inner shell body, and at the same time the male end electrical terminal is conductively connected with the female end electrical terminal.

[0007] A further improvement to the above scheme is that a pressing spring sheet is provided at the top of the male end plug, and a male end plug-in buckle is provided on the pressing spring sheet; the male end plug is provided with vertical plates on both sides of the pressing spring sheet, and a spacing groove is provided between the vertical plates and the pressing spring sheet.

[0008] A further improvement to the above scheme is that the female end plug-in cavity is provided with a female end plug-in guide strip and a female end plug-in guide groove, the female end plug-in cavity is provided with a female end plug-in slot on one side of the female end plug-in guide strip, and the female end plug-in cavity is provided with a female end abutment pressure platform on one side of the female end through groove; a female end assembly sliding groove is provided on one side of the female end through groove, and the female end assembly sliding groove is used to guide the female end contact spring piece toward the female end through groove for assembly; a female end front stop groove is provided on the lower side of the female end assembly sliding groove, and the female end metal shell is provided with a female end front stop spring piece, and the female end front stop spring piece is used to cooperate with the front groove to fix the female end inner shell.

[0009] A further improvement to the above solution is that the female-end plug-in slot is used to cooperate with the male-end plug-in buckle to keep the male-end plug in the female-end plug-in cavity.

[0010] A further improvement to the above scheme is that a male end plugging guide strip is provided on a side of the male end plug facing away from the pressing spring sheet; a female end guide groove is provided in the female end plugging cavity, and the female end guide groove is used to cooperate with the male end plugging guide strip.

[0011] A further improvement to the above scheme is that the wall surface of the male end slot is provided with a male end stop groove and a male end front stop groove, and the male end inner shell is provided with a male end stop buckle and a male end front stop buckle, the male end stop buckle is used to fit in the male end stop groove, and the male end front stop buckle is used to fit in the male end front stop groove.

[0012] A further improvement to the above scheme is that the male end slot is provided with male end assembly slots on both sides of the male end fixing part, and male end assembly buckles are provided on both sides of the male end fixing part. The male end fixing part is assembled in the male end assembly slot through the male end assembly buckles to fix the male end wiring harness.

[0013] A further improvement to the above scheme is that the male end inner shell includes a male end lower shell and a male end upper shell, one side of the male end upper shell covers one side of the male end lower shell, the male end lower shell is provided with a male end shell slot, the male end upper shell is provided with a male end shell buckle, the male end shell buckle is used to buckle on the male end shell slot, a male end fixing groove is provided between the male end lower shell and the male end upper shell, the male end insulator is provided with a fixing platform, and the male end fixing groove is used to fix the fixing platform.

[0014] A further improvement to the above solution is that the male end lower shell is provided with a male end abutting spring sheet, the male end insulator is provided with a stop step, and one end of the male end abutting spring sheet abuts on the stop step.

[0015] A further improvement to the above scheme is that a male end limiting step is provided at the front end of the male end terminal assembly groove, and a male end limiting groove is provided at the rear end, the male end limiting step is used to limit one end of the male end electrical terminal, and the male end electrical terminal is provided with a male end limiting buckle, one end of the male end limiting buckle is clamped in the male end limiting groove.

[0016] A further improvement to the above scheme is that the male electrical terminal includes a male insertion end, a male elastic contact end and a male wiring end, and the male insertion end, the male elastic contact end and the male wiring end are arranged in sequence and formed by integral stamping.

[0017] A further improvement to the above scheme is that the male end insertion end is formed by two symmetrically arranged insertion spring pieces, the male end elastic contact end is formed by at least two contact spring pieces, and contact convex strips are arranged on the lower sides of the male end insertion end and the male end elastic contact end.

[0018] A further improvement to the above scheme is that a female end assembly platform is provided on one side of the female end outer shell, and the female end assembly platform is penetrated by a female end separation groove along the length direction of the female end outer shell to form two mutually symmetrical female end assembly guide rails, and the female end assembly guide rails are provided with a female end assembly slot for assembling and fixing the female end outer shell on the equipment; a female end assembly buckle is provided on the side of the female end outer shell facing the female end separation groove.

[0019] A further improvement to the above scheme is that the female end placement cavity is provided with a female end assembly guide groove, one end of the female end assembly guide groove passes through the female end limiting step, female end assembly guide strips are provided on both sides of the female end limiting rib, and the female end inner shell is slidably assembled in the female end assembly guide groove through the female end assembly guide strip.

[0020] A further improvement to the above scheme is that a female end clamping groove is provided at one end of the female end inner shell, and a female end clamping buckle is provided in the female end clamping groove, one end of the female end clamping buckle extends to the female end terminal slot, and the female end electrical terminal is provided with a female end clamping platform, and one end of the female end clamping buckle abuts against the female end clamping platform to fix the female end electrical terminal in the female end terminal slot.

[0021] A further improvement to the above scheme is that the female end clamping buckle is provided with a female end extension portion, the female end extension portion extends toward the outer side surface of the female end inner shell body and is relatively flush with the outer side surface of the female end inner shell body, and a partition groove is provided between the female end extension portion and a wall surface of the female end clamping groove.

[0022] A further improvement to the above scheme is that the female terminal slot includes a female terminal jack, a female tight-fitting portion and a female wire clamp portion which are connected in sequence, and the female electrical terminal includes a female terminal pin, a female tight-fitting end and a female terminal wire clamp, one end of the female terminal pin is inserted into the female terminal jack and extends into the female plug-in cavity, the female tight-fitting end is arranged in the female tight-fitting portion, and the female terminal wire clamp is arranged in the female wire clamp portion.

[0023] A further improvement to the above scheme is that one end of the female metal shell is provided with a female wire harness clamping portion, the female wire harness clamping portion is provided with a female connecting wire harness, and one end of the female connecting wire harness is connected to the female electrical terminal.

[0024] A further improvement to the above scheme is that the female end fixing piece is provided with a female end clamping column, a female end wire clamping cavity is provided on the lower side of the female end clamping column, the female end wire harness clamping portion is used to fix the female end connecting wire harness in the female end wire clamping cavity, one end of the female end clamping column presses the female end inner shell body, and a female end wiring groove is provided on one side of the female end clamping cavity, and the female end wiring groove is used to lead out one end of the female end connecting wire harness.

[0025] The beneficial effects of the utility model are:

[0026] Compared with the existing connectors, the utility model is applied to new energy vehicles, with small overall dimensions, compact structure, space saving, and easy installation; it meets the power and signal requirements of the vehicle system, is easy to produce, easy to assemble, and has low structural cost.

[0027] The utility model connector adopts a design in which a metal shell covers an inner shell, and the contact springs arranged on the metal shell can reliably contact the electrical terminals, ensuring a good electrical connection. At the same time, the limiting ribs arranged on the inner shell cooperate with the limiting steps of the placement cavity to firmly limit the inner shell in the placement cavity, avoiding the problem of the electrical terminals loosening and falling off, and greatly improving the reliability of the connection.

[0028] One end of the outer shell is designed to penetrate along the length direction, so that the cable can pass freely from one end of the outer shell, avoiding the problem of the cable being damaged due to excessive bending. At the same time, the metal shell's sheathing design can effectively isolate external electromagnetic interference and improve the anti-interference performance of the entire connector system. In addition, the metal shell can also provide good dust and water protection, greatly improving the reliability of the connector in harsh environments.

[0029] The connector adopts a design of multiple structural parts such as inner shell, metal shell and fixing parts, and the various components cooperate with each other to form a compact and integrated overall structure. This not only improves the overall strength and rigidity of the connector, but also greatly reduces the size and weight of the connector, making it easier to install and use in a small space.

[0030] The connector uses a fixing to fix the inner shell in the outer shell, so that the internal components can be easily disassembled and replaced. This not only facilitates debugging and maintenance during the production process, but also greatly improves the maintenance convenience of the connector during use and significantly reduces maintenance costs.

[0031] The utility model realizes many technical advantages such as reliable connection performance, excellent protection performance, outstanding structural compactness, excellent maintainability and good compatibility through ingenious structural design of inner and outer shells, metal shells, power terminals and fixings, and provides a high-performance and high-reliability connection solution for various electrical systems. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] Figure 1 It is a three-dimensional schematic diagram of the wiring harness connector assembly of the utility model;

[0033] Figure 2 for Figure 1 A three-dimensional schematic diagram of another perspective of the center wiring harness connector assembly;

[0034] Figure 3 It is a three-dimensional schematic diagram of the male end connector of the utility model;

[0035] Figure 4 for Figure 3 A schematic diagram of the main view of the middle male connector;

[0036] Figure 5 for Figure 4 Sectional view of AA in the middle;

[0037] Figure 6 for Figure 3 Exploded view of the middle male connector;

[0038] Figure 7 for Figure 3 Schematic diagram of the internal structure of the middle male connector;

[0039] Figure 8 for Figure 3 A schematic diagram of the structure of the male end of the middle male end connector connecting the electrical terminal;

[0040] Fig. 9 It is a three-dimensional schematic diagram of the female connector of the utility model;

[0041] Fig.10 for Fig. 9 An exploded view of the female connector;

[0042] Fig.11 for Fig. 9 Front view of the female connector;

[0043] Fig.12 for Fig.11 Sectional view of AA in the middle;

[0044] Fig.13 for Fig. 9 Schematic diagram of the structure of the middle female connector;

[0045] Fig.14 for Fig. 9 A schematic diagram of the structure of the female end outer shell of the middle female end connector;

[0046] Fig.15 for Fig. 9 A schematic diagram of the structure of the inner housing of the female end of the middle female end connector;

[0047] Fig.16 for Fig. 9 A schematic structural diagram of the female end inner housing of the middle female end connector from another perspective;

[0048] Fig.17 for Fig. 9 Schematic diagram of the structure of the female metal shell of the middle female connector.

[0049] Description of reference numerals: male connector 10, male plastic shell 1, male plug 11, male plug-in guide groove 111, pressing spring 112, male plug-in buckle 113, vertical plate 114, male plug-in guide strip 115, male fixing portion 12, male slot 13, male stop groove 131, male stop front groove 132, male assembly groove 133;

[0050] Male end inner housing 2, male end wire clamp 21, male end wire harness 211, male end stop buckle 22, male end forward stop buckle 23, male end lower housing 24, male end shell slot 241, male end fixing slot 242, male end abutting spring piece 243, male end upper housing 25, male end shell buckle 251;

[0051] Male insulator 3, male terminal assembly groove 31, male limiting step 311, male limiting groove 312, fixing platform 32, and stop step 33;

[0052] Male terminal electrical terminal 4, male terminal limit buckle 41, male terminal insertion end 42, male terminal elastic contact end 43, male terminal wiring end 44, male terminal fixing member 5, male terminal assembly buckle 51;

[0053] Female connector 20, female outer shell 6, female placement cavity 61, female assembly guide groove 611, female limiting step 62, female assembly platform 63, female separation groove 631, female assembly guide rail 632, female assembly slot 633, female assembly buckle 634, female fixing part 64, female clamping column 641, female clamping cavity 642, female wiring groove 643;

[0054] Female end inner housing 7, female end limiting rib 71, female end assembly guide strip 711, female end plug-in cavity 72, female end plug-in guide strip 721, female end plug-in guide groove 722, female end plug-in card slot 723, female end abutment pressing platform 724, female end guide groove 725, female end through groove 73, female end assembly sliding groove 731, female end front stop groove 732, female end fixing seat 74, female end terminal slot 75, female end terminal jack 751, female end tight fitting portion 752, female end wire clamp portion 753, female end clamping groove 76, female end clamping buckle 761, female end extension portion 762;

[0055] Female end metal shell 8, female end contact spring piece 81, female end front stop spring piece 82, female end wire harness clamping part 83, female end connecting wire harness 84;

[0056] The female end is connected to the electrical terminal 9, the female end pressing platform 91, the female end terminal pin 92, the female end tight fitting terminal 93, and the female end terminal wire clamp 94. DETAILED DESCRIPTION

[0057] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the understanding of the disclosure of the present invention more thorough and comprehensive.

[0058] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0059] Unless otherwise defined, all technical and scientific terms used herein have the same meanings as those commonly understood by those skilled in the art to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. Figure 1 to Figure 17As shown, in one embodiment of the utility model, a wiring harness connector assembly is involved, including a male connector 10 and a female connector 20, the male connector 10 including a male plastic shell 1, a male inner shell 2, a male insulator 3, a male electrical terminal 4, a male wiring harness 211 and a male fixing member 5, the male plastic shell 1 is provided with a male plug 11 and a male fixing portion 12 arranged at one end of the male plug 11, the male plug 11 is provided with a male slot 13, one end of the male slot 13 passes through the male fixing portion 12; the male inner shell 2 is a metal shell, and is arranged in the inner male slot 13, and the male inner shell 2 extends a male wire clamp 21 toward one side of the male fixing portion 12; The male insulator 3 is arranged inside the male inner shell 2, and the male insulator 3 is provided with a male terminal assembly groove 31, and one end of the male terminal assembly groove 31 passes through the male insulator 3; one end of the male electrical terminal 4 is inserted into the male insulator 3, and the other end extends toward the male wire clamp 21; one end of the male wire harness 211 extends into the male fixing part 12 and is connected to the male electrical terminal 4, and the male wire clamp 21 is used to clamp and fix the male wire harness 211; the male fixing part 5 is installed on the male fixing part 12 and is used to fix the male wire harness 211 to the male fixing part 12; male plug-in guide grooves 111 are provided on both sides of the male plug 11, and one side of the male plug-in guide groove 111 is connected to the male fixing part 12. Through to the male end slot 13, so that the male end inner shell 2 is exposed; the female end connector 20 includes a female end outer shell 6, a female end inner shell 7, a female end metal shell 8, a female end electrical terminal 9 and a female end fixing piece 64, the female end outer shell 6 is provided with a female end placement cavity 61, one end of the female end placement cavity 61 passes through the length direction of the female end outer shell 6, and one end of the female end placement cavity 61 is provided with a female end limiting step 62; the female end inner shell 7 is arranged in the female end placement cavity 61, and one end of the female end inner shell 7 is provided with a female end limiting rib 71, and the female end limiting rib 71 is used to cooperate on the female end limiting step 62 to limit the female end inner shell 7 in the female end placement cavity 61; the female end inner shell 7 is close to the female A female end plug-in cavity 72 is provided on one side of the end limit retaining edge 71, female end through grooves 73 are provided on both sides of the female end inner shell 7, one end of the female end through groove 73 is connected to the female end plug-in cavity 72, and a female end fixing seat 74 is provided at one end of the female end inner shell 7 located at the female end plug-in cavity 72, and the female end fixing seat 74 is provided with a female end terminal slot 75, one end of the female end terminal slot 75 is connected to the female end plug-in cavity 72; the female end metal shell 8 is covered on the outside of the female end inner shell 7 and is located between the female end inner shell 7 and the female end placement cavity 61; female end contact springs 81 are provided on both sides of the female end metal shell 8, and the contact ends of the female end contact springs 81 extend from the female end through grooves 73 into the female end plug-in cavity 72;The female terminal electrical terminal 9 is provided with a plurality of terminals, one end of which is inserted into the female terminal slot 75 and extends into the female plug-in cavity 72; the female terminal fixing member 64 is installed at one end of the female terminal placement cavity 61, and the female terminal inner shell 7 is fixed in the female terminal placement cavity 61. This embodiment is applied to new energy vehicles, with a small overall size, compact structure, space saving, and easy installation; it meets the power and signal requirements of the vehicle-mounted system. It is easy to produce, easy to assemble, and has a low structural cost. ;

[0060] In the male connector 10 of the above embodiment, the design of the male slot 13 and the male plug 11 ensures a stable electrical connection. The connection between the male electrical terminal 4 in the male insulator 3 and the male wiring harness 211 is fixed by the male wire clamp 21, ensuring the reliability of electrical signal transmission. In the female connector 20, the female electrical terminal 9 in the female plug-in cavity 72 is connected to the female wiring harness, and the electrical connection is achieved through the female contact spring 81 of the female through slot 73. This design ensures the low impedance and reliable electrical connection performance of the connector.

[0061] In the male connector 10 of the above embodiment, the male fixing member 5 firmly fixes the male wiring harness 211 to the male fixing portion 12 to prevent the wiring harness from loosening or falling off. At the same time, the structural design of the male plastic shell 1 and the male inner shell 2 provides a stable external fixation to ensure the stability of the connector. In the female connector 20, the female fixing member 64 fixes the female inner shell 7 in the female placement cavity 61 to ensure the stable fixation of the connector. The design of the female outer shell 6 and the female limit rib 71 provides additional mechanical support to increase the stability of the connector.

[0062] The component design of the male connector 10 and the female connector 20 of the above embodiment makes the assembly and disassembly process simple and efficient. In the male connector 10, the male wire harness 211 is fixed to the male fixing portion 12 by the male fixing member 5, and in the female connector 20, the female wire harness is fixed in the female placement cavity 61 by the female fixing member 64. This design makes the assembly and disassembly of the connector more convenient and quick.

[0063] The design of the male connector 10 and the female connector 20 of the above embodiment fully considers the space utilization efficiency. The compact layout of the male inner housing 2, the male insulator 3 and the male fixing member 5 minimizes the size of the connector. The sheathing structure of the female inner housing 7 and the female metal housing 8 effectively utilizes the space and improves the overall compactness of the connector.

[0064] The male connector 10 of the above embodiment fixes the male insulator 3 through the metal male inner shell 2, and inserts the male electrical terminal 4 into the male insulator 3, then the metal male inner shell 2 is assembled into the male slot 13, and finally the male wire harness 211 connected to the male electrical terminal 4 is fixed by the male fixing member 5. The overall structure is stable and reliable, and the connector is stable for plugging and use. The problem of insufficient stability of the existing connector is solved. The structure of the male plastic shell 1 and the male inner shell 2 is adopted, and a reliable electrical connection is achieved through the design of the male plug 11 and the male slot 13. The penetration of the male slot 13 of the male plug 11 and the male fixing part 12 allows the internal structure to be assembled in a through-type manner, ensuring stability and reliability. The male inner shell 2 adopts a metal shell, and a male wire clamp 21 is provided on one side facing the male fixing part 12. This design can provide good conductive performance and ensure the stability and reliability of current transmission. The male insulator 3 is arranged inside the male inner housing 2 and is connected to the male inner housing 2 through the male terminal assembly groove 31. The presence of the male insulator 3 can effectively isolate the current, provide insulation protection, and prevent problems such as current leakage and short circuit. The male electrical terminal 4 is inserted into the male insulator 3, and the other end extends toward the male wire clamp 21, so that installation and wiring can be conveniently performed. One end of the male wire harness 211 extends into the male fixed portion 12 and is connected to the male electrical terminal 4, and the male wire clamp 21 is used to clamp and fix the male wire harness 211. This design makes the installation and removal of the wire harness easier and faster. The male fixing member 5 is installed on the male fixed portion 12 and is used to fix the male wire harness 211 to the male fixed portion 12. By setting the male fixing member 5, the male wire harness 211 can be firmly fixed to prevent it from loosening or falling off, thereby improving the reliability and stability of the connection. The utility model has the technical effects of reliable connectivity, excellent electrical conductivity, insulation protection function, convenient installation and disassembly, and stable fixation.

[0065] The female connector 20 of the above embodiment adopts a design in which the female metal shell 8 covers the female inner shell 7. The female contact spring 81 provided on the female metal shell 8 can reliably contact the female electrical terminal 9, ensuring a good electrical connection. At the same time, the female limiting rib 71 provided on the female inner shell 7 cooperates with the female limiting step 62 of the female placement cavity 61 to firmly limit the female inner shell 7 in the female placement cavity 61, thereby avoiding the problem of the female electrical terminal 9 loosening and falling off, and greatly improving the reliability of the connection. One end of the female outer shell 6 is designed to penetrate along the length direction, so that the cable can freely pass through one end of the female outer shell 6, avoiding the problem of the cable being damaged due to excessive bending. At the same time, the covering design of the female metal shell 8 can effectively isolate external electromagnetic interference and improve the anti-interference performance of the entire connector system. In addition, the female metal shell 8 can also play a good role in dust and water protection, greatly improving the reliability of the connector in harsh environments. The design of multiple structural parts such as the female end inner shell 7, the female end metal shell 8 and the female end fixing piece 64 is adopted, and the various components are coordinated to form a compact and integrated overall structure. This not only improves the overall strength and rigidity of the connector, but also greatly reduces the volume and weight of the connector, and facilitates installation and use in a small space. The female end fixing piece 64 is used to fix the female end inner shell 7 in the female end outer shell 6, so that the internal components can be easily disassembled and replaced. This is not only convenient for debugging and maintenance during the production process, but also greatly improves the maintenance convenience of the connector during use, and greatly reduces the maintenance cost. Through the ingenious structural design of the inner female end outer shell 6, the female end metal shell 8, the female end electrical terminal 9 and the female end fixing piece 64, many technical advantages such as reliable connection performance, excellent protection performance, outstanding structural compactness, excellent maintainability and good compatibility are achieved, providing a high-performance and highly reliable connection solution for various electrical systems.

[0066] See also Figure 3~Figure 8As shown, the male plug 11 is used to be inserted into the female plug-in cavity 72, and the male plug-in guide groove 111 is used to cooperate with the female contact spring 81 insertion guide, so that the female contact spring 81 is in conductive contact with the male inner shell 2, and the male terminal electrical terminal 4 is conductively connected with the female terminal electrical terminal 9. The male plug-in guide groove 111 and the insertion guide of the female contact spring 81 in the above embodiment cooperate with each other to ensure the accurate insertion of the male plug 11 into the female plug-in cavity 72. This precise plug-in positioning can improve the plug-in accuracy and reliability of the connector and avoid mis-plugging or reverse plugging. Through the conductive contact between the male inner shell 2 and the female contact spring 81, a reliable electrical connection between the male terminal electrical terminal 4 and the female terminal electrical terminal 9 is achieved. Such a design ensures stable transmission and low-impedance connection of electrical signals. The conductive contact between the female contact spring 81 and the male inner shell 2 is guided by the plug-in guide groove to ensure good contact between the contact spring and the inner shell. This design can improve the contact reliability of the connector, reduce contact resistance and signal loss. The design of the male end plug cavity and the female end plug makes the assembly and disassembly process of the connector more simplified and efficient. The user only needs to insert the male end plug 11 into the female end plug cavity 72 to complete the assembly of the connector. This design facilitates the installation and maintenance operations of the connector.

[0067] A pressing spring sheet 112 is arranged at the top of the male end plug 11, and a male end plug buckle 113 is arranged on the pressing spring sheet 112; vertical plates 114 are arranged on both sides of the pressing spring sheet 112 of the male end plug 11, and a spacing groove is arranged between the vertical plates 114 and the pressing spring sheet 112; specifically, the female end plug-in cavity 72 is provided with a female end plug-in guide strip 721 and a female end plug-in guide groove 722, and the female end plug-in cavity 72 is provided with a female end plug-in card groove 723 on one side of the female end plug-in guide strip 721, and the female end plug-in cavity 72 is provided with a female end abutment pressing platform 724 on one side of the female end through groove 73; a female end assembly sliding groove 731 is arranged on one side of the female end through groove 73, and the female end assembly The sliding groove 731 is used to guide the female end contact spring piece 81 toward the female end through groove 73 for assembly; the lower side of the female end assembly sliding groove 731 is provided with a female end front stop groove 732, and the female end metal shell 8 is provided with a female end front stop spring piece 82, and the female end front stop spring piece 82 is used to cooperate with the front groove to fix the female end inner shell 7; the female end plug-in slot 723 is used to cooperate with the male end plug-in buckle 113 to keep the male end plug 11 in the female end plug-in cavity 72; the male end plug 11 is provided with a male end plug-in guide strip 115 on the side opposite to the pressing spring piece 112; the female end plug-in cavity 72 is provided with a female end guide groove 725, and the female end guide groove 725 is used to cooperate with the male end plug-in guide strip 115. In this embodiment, the male plug buckle 113 cooperates with the female plug slot 723 to reliably lock the male plug 11 in the female plug cavity 72 to prevent accidental falling off. At the same time, the cooperation between the female front stop spring 82 and the female front stop groove 732 can also fix the female inner shell 7 in the female shell, thereby enhancing the overall mechanical stability. The cooperation between the male plug guide bar 115 and the female guide groove 725, as well as the cooperation between the female plug guide bar 721 and the female plug guide groove 722, provide guidance for the precise insertion of the male plug 11. This precise plug guide ensures the fast and accurate plugging of the connector and improves the convenience of use. The design of the female assembly slide-in groove 731 and the female front stop groove 732 provides a convenient channel for the assembly of the female contact spring 81. At the same time, the male plug buckle 113 on the pressing spring 112 cooperates with the female plug slot 723, making the removal of the male plug 11 easier and faster. These designs greatly reduce the difficulty of installing and repairing the connector. The precise cooperation between the male plug 11 and the female plug cavity 72, as well as the reliable mechanical locking mechanism, ensure that the connector will not accidentally fall off or loosen during use. This reliability helps to improve the stability and service life of the entire system and reduce maintenance costs. The compact layout of the connector's internal structure, such as the design of the female assembly slide-in groove 731 and the female front stop groove 732, makes full use of limited space resources. This optimized space utilization effectively reduces the overall size of the connector and improves its integration and application flexibility.

[0068] The wall surface of the male end slot 13 is provided with a male end stop groove 131 and a male end front stop groove 132, and the male end inner housing 2 is provided with a male end stop buckle 22 and a male end front stop buckle 23, the male end stop buckle 22 is used to fit in the male end stop groove 131, and the male end front stop buckle 23 is used to fit in the male end front stop groove 132; specifically, the male end slot 13 is provided with male end assembly slots 133 on both sides of the male end fixing part 12, and the male end assembly buckles 51 are provided on both sides of the male end fixing part 5, and the male end fixing part 5 is assembled in the male end assembly slot 133 through the male end assembly buckle 51 to fix the male end wiring harness 211. In this embodiment, the cooperation between the male end stop buckle 22 and the male end stop groove 131, and the cooperation between the male end front stop buckle 23 and the male end front stop groove 132, reliably limit the forward and backward movement of the male end inner housing 2 in the male end slot 13. This mechanical limit mechanism ensures the stable positioning of the male end inner housing 2 and prevents it from accidentally shifting or falling off during use. The male end assembly slots 133 set on both sides of the male end slot 13 and the male end assembly buckles 51 on both sides of the male end fixing member 5 provide convenience for the rapid assembly of the male end fixing member 5. The user only needs to insert the male end assembly buckle 51 into the male end assembly slot 133 to complete the installation of the male end fixing member 5, which greatly simplifies the assembly process of the connector. The reliable cooperation of the male end stop buckle 22 and the male end front stop buckle 23 with the male end stop groove 131 and the male end front stop groove 132 ensures the stable positioning of the male end inner housing 2 in the male end slot 13. This reliable mechanical limit effectively prevents the connector from accidentally shifting or falling off during use, and improves the overall reliability of use. The design of the male end assembly slot 133 and the male end assembly buckle 51 makes full use of the space on both sides of the male end slot 13 to achieve efficient integration of the male end fixing member 5. This optimized internal structure layout not only improves the overall compactness of the connector, but also reduces its volume and weight, and enhances its application flexibility.

[0069] The male end inner shell 2 includes a male end lower shell 24 and a male end upper shell 25, one side of the male end upper shell 25 covers one side of the male end lower shell 24, the male end lower shell 24 is provided with a male end shell slot 241, the male end upper shell 25 is provided with a male end shell buckle 251, the male end shell buckle 251 is used to buckle on the male end shell slot 241, a male end fixing groove 242 is provided between the male end lower shell 24 and the male end upper shell 25, the male end insulator 3 is provided with a fixing platform 32, and the male end fixing groove 242 is used to fix the fixing platform 32; specifically, the male end lower shell 24 is provided with a male end abutting spring piece 243, the male end insulator 3 is provided with a stop step 33, and one end of the male end abutting spring piece 243 abuts on the stop step 33. In this embodiment, the male lower shell 24 is provided with a male shell slot 241, and the male upper shell 25 is provided with a male shell buckle 251, and the two are buckled together to achieve reliable fixation of the male inner shell 2. At the same time, a male fixing groove 242 is provided between the male lower shell 24 and the male upper shell 25, which is used to fix the fixing platform 32 on the male insulator 3. This structural design ensures a stable connection between the various components of the male inner shell 2 and enhances the overall mechanical strength. The male lower shell 24 is provided with a male abutting spring 243, which abuts against the stop step 33 on the male insulator 3. This abutment design reliably limits the forward and backward movement of the male insulator 3 in the male inner shell 2, ensuring its precise positioning. This precise positioning helps to improve the plug-in accuracy and stability of the connector. The design of the male shell buckle 251 and the male shell slot 241 enables the male lower shell 24 and the male upper shell 25 to be quickly buckled together. This simple and efficient assembly method greatly improves the assembly efficiency of the connector, and is also convenient for future maintenance and disassembly. The design of the male end fixing groove 242 cleverly utilizes the space between the male end lower shell 24 and the male end upper shell 25 to achieve compact fixation of the male end insulator 3. This optimized internal structural layout not only improves the overall compactness of the connector, but also reduces its volume and weight, and enhances its application flexibility. The reliable abutment between the male end abutment spring 243 and the stop step 33 ensures the stable positioning of the male end insulator 3 in the male end inner shell 2. This precise positioning and reliable limiting effectively prevent the connector from accidentally shifting or loosening during use, greatly improving its reliability in use.

[0070] A male terminal limiting step 311 is provided at the front end of the male terminal assembly groove 31, and a male terminal limiting groove 312 is provided at the rear end, wherein the male terminal limiting step 311 is used to limit one end of the male terminal connecting terminal 4, and the male terminal connecting terminal 4 is provided with a male terminal limiting buckle 41, and one end of the male terminal limiting buckle 41 is clamped in the male terminal limiting groove 312; specifically, the male terminal connecting terminal 4 includes a male terminal insertion end 42, a male terminal elastic contact end 43 and a male terminal wiring terminal 44, wherein the male terminal insertion end 42, the male terminal elastic contact end 43 and the male terminal wiring terminal 44 are arranged in sequence and formed by integral stamping; the male terminal insertion end 42 is formed by two symmetrically arranged insertion spring sheets, and the male terminal elastic contact end 43 is formed by at least two contact spring sheets, and contact convex strips are provided on the lower sides of the male terminal insertion end 42 and the male terminal elastic contact end 43. In this embodiment, the design of the male end limiting step 311 and the male end limiting groove 312 limits the forward and backward movement of the male end electrical terminal 4 in the male end terminal assembly groove 31, ensuring the precise positioning of the terminal. At the same time, the cooperation between the male end limiting buckle 41 and the male end limiting groove 312 further enhances the stability of the terminal and prevents it from accidentally falling off. This reliable terminal positioning mechanism helps to improve the plug-in accuracy and service life of the connector. The male end electrical terminal 4 adopts a symmetrical insertion spring sheet and a plurality of contact spring sheets, which can not only ensure good plug-in and pull-out force, but also provide stable contact pressure. At the same time, the design of the contact convex strip further optimizes the contact characteristics between the terminal and the wiring harness, reduces the contact resistance, and improves the reliability of signal transmission. The design of the male end limiting step 311, the male end limiting groove 312 and the male end limiting buckle 41 ensures the stable positioning of the male end electrical terminal 4 in the male end terminal assembly groove 31. This reliable mechanical limiting mechanism effectively prevents the terminal from accidentally shifting or loosening during use, greatly improving the service life and reliability of the connector.

[0071] See also Figure 9~Figure 17As shown, a female end assembly platform 63 is provided on one side of the female end outer shell 6, and the female end assembly platform 63 is penetrated with a female end separation groove 631 along the length direction of the female end outer shell 6 to form two mutually symmetrical female end assembly rails 632, and the female end assembly rail 632 is provided with a female end assembly slot 633 for assembling and fixing the female end outer shell 6 on the device; a female end assembly buckle 634 is provided on the side of the female end outer shell 6 facing the female end separation groove 631. In this embodiment, the female end assembly slot 633 on the female end assembly rail 632 provides convenience for the rapid assembly of the female end outer shell 6 on the device. The user only needs to insert the female end assembly buckle 634 into the female end assembly slot 633 to complete the fixed installation of the female end outer shell 6 on the device. This simple and efficient assembly method greatly improves the assembly efficiency of the connector, and is also convenient for future maintenance and disassembly. The female end assembly platform 63 is penetrated with the female end separation groove 631 set along the length direction of the female end outer shell 6, forming two symmetrical female end assembly rails 632. This stable support structure ensures that the female end outer shell 6 is reliably fixed on the device, effectively preventing it from shaking or loosening during use. The reliable cooperation between the female end assembly buckle 634 and the female end assembly slot 633 ensures that the female end outer shell 6 is stably fixed on the device. This reliable mechanical locking mechanism effectively prevents the connector from accidentally falling off or shifting during use, greatly improving its service life and safety.

[0072] The female end placement cavity 61 is provided with a female end assembly guide groove 611, one end of which passes through the female end limiting step 62, and female end assembly guide strips 711 are provided on both sides of the female end limiting rib 71, and the female end inner shell 7 is slidably assembled in the female end assembly guide groove 611 through the female end assembly guide strips 711. In this embodiment, a female end assembly guide groove 611 is provided in the female end placement cavity 61, and the guide groove is used to guide and position the assembly of the female end inner shell 7. This design ensures the correct position and direction of the female end inner shell 7 in the placement cavity, thereby improving the accuracy and reliability of assembly. One end of the female end assembly guide groove 611 passes through the female end limiting step 62, and female end assembly guide strips 711 are provided on both sides of the female end limiting rib 71. These elements work together to limit the range of movement of the female end inner shell 7 in the placement cavity, ensuring that it is assembled along the correct track. The female end inner housing 7 is slidably assembled in the female end assembly guide groove 611 through the female end assembly guide strip 711. This sliding assembly method ensures the stable installation of the female end inner housing 7 and provides correct guidance and positioning during the assembly process. The design of the female end assembly guide strip 711 allows the female end inner housing 7 to move easily along the guide groove, ensuring smooth assembly.

[0073] One end of the female end inner shell 7 is provided with a female end clamping groove 76, and the female end clamping groove 76 is provided with a female end clamping buckle 761, one end of the female end clamping buckle 761 extends to the female end terminal slot 75, and the female end electrical terminal 9 is provided with a female end clamping platform 91, and one end of the female end clamping buckle 761 abuts on the female end clamping platform 91 to fix the female end electrical terminal 9 in the female end terminal slot 75; specifically, the female end clamping buckle 761 is provided with a female end extension portion 762, and the female end extension portion 762 extends toward the outer side surface of the female end inner shell 7 and is relatively flush with the outer side surface of the female end inner shell 7, and a partition groove is provided between the female end extension portion 762 and a wall surface of the female end clamping groove 76. In this embodiment, the abutment design of the female end clamping buckle 761 and the female end clamping platform 91 can reliably fix the female end electrical terminal 9 in the female end terminal slot 75. This mechanical limit mechanism ensures that the terminal will not accidentally shift or fall off during use, greatly improving the reliability of the connector. The female end clamping buckle 761 is provided with a female end extension 762, which is flush with the outer side of the female end inner shell 7, and a partition groove is provided between the two. This design cleverly utilizes the internal space of the female end inner shell 7, which not only improves the overall compactness, but also reduces the volume and weight of the connector, and enhances its application flexibility. The reliable abutment between the female end clamping buckle 761 and the female end clamping platform 91 ensures the stable positioning of the female end electrical terminal 9 in the female end terminal slot 75. This precise mechanical limit effectively prevents the terminal from accidentally shifting or loosening during use, greatly improving the service life and safety of the connector.

[0074] The female terminal slot 75 includes a female terminal jack 751, a female tight-fitting portion 752 and a female terminal wire clamp portion 753 which are connected in sequence. The female terminal electrical terminal 9 includes a female terminal pin 92, a female tight-fitting end 93 and a female terminal wire clamp 94. One end of the female terminal pin 92 is inserted into the female terminal jack 751 and extends into the female plug-in cavity 72. The female tight-fitting end 93 is arranged in the female tight-fitting portion 752, and the female terminal wire clamp 94 is arranged in the female wire clamp portion 753. In this embodiment, the female terminal pin 92 can be inserted into the female terminal jack 751 and extend into the female plug-in cavity 72, ensuring good contact with other connectors and achieving reliable electrical connection. This precise terminal docking design effectively reduces contact resistance and improves the reliability of signal transmission. The female tight-fitting end 93 is arranged in the female tight-fitting portion 752, and the female terminal wire clamp 94 is arranged in the female wire clamp portion 753. The mechanical fit between the terminal and the terminal slot ensures the stability of the connector during use, prevents the terminal from accidentally shifting or falling off, and greatly improves the connection reliability. The segmented structure of the female terminal slot 75, including the female terminal jack 751, the female tight-fitting portion 752 and the female wire clamp portion 753, makes full use of limited space resources. This optimized internal layout not only improves the overall compactness of the connector, but also reduces its volume and weight, and enhances its application flexibility.

[0075] One end of the female metal shell 8 is provided with a female wire harness clamping portion 83, and the female wire harness clamping portion 83 is provided with a female connecting wire harness 84, and one end of the female connecting wire harness 84 is connected to the female electrical terminal 9; specifically, the female fixing member 64 is provided with a female clamping column 641, and a female clamping cavity 642 is provided on the lower side of the female clamping column 641, and the female wire harness clamping portion 83 is used to fix the female connecting wire harness 84 in the female clamping cavity 642, and one end of the female clamping column 641 clamps the female inner shell 7, and a female wiring groove 643 is provided on one side of the female clamping cavity 642, and the female wiring groove 643 is used to lead out one end of the female connecting wire harness 84. In this embodiment, the female wire harness clamping portion 83 is used to fix the female connecting wire harness 84 in the female clamping cavity 642. This wiring harness fixing design ensures the stability of the connection harness during use and prevents the harness from loosening or falling off during operation or vibration. The female end harness clamping portion 83 is used to fix the female end connection harness 84 in the female end clamping cavity 642. This wiring harness fixing design ensures the stability of the connection harness during use and prevents the harness from loosening or falling off during operation or vibration. The structural layout of the female end clamping cavity 642 and the female end wiring groove 643 ensures the reasonable arrangement of the harness in the connector, reduces the bending and folding of the harness, helps to optimize the internal space utilization, and improves the compactness of the connector. The female end clamping column 641 on the female end fixing member 64 can compress the female end inner shell 7, which helps to ensure the stable positioning of the female end inner shell 7 in the connector, avoids displacement or loosening during operation or use, and enhances the mechanical stability of the connector. One end of the female end connection harness 84 is connected to the female end electrical terminal 9. This connection design ensures the reliable transmission of electrical signals and improves the overall performance and efficiency of the connector.

[0076] The above embodiments only express several implementation methods of the utility model, and the descriptions are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. A wiring harness connector assembly, characterized in that: include A male connector, the male connector comprising a male plastic shell, a male inner shell, a male insulator, a male electrical terminal, a male wiring harness and a male fixing part, the male plastic shell is provided with a male plug and a male fixing part provided at one end of the male plug, the male plug is provided with a male slot, one end of which passes through the male fixing part; the male inner shell is a metal shell and is provided in the inner male slot; the male insulator is provided inside the male inner shell, the male insulator is provided with a male terminal assembly groove, one end of which passes through the male insulator; one end of the male electrical terminal is inserted into the male insulator, and the other end extends toward the male wire clamp; as well as A female-end connector, the female-end connector comprising a female-end outer shell, a female-end inner shell, a female-end metal shell, a female-end electrical terminal and a female-end fixing piece, the female-end outer shell being provided with a female-end placement cavity, one end of the female-end placement cavity penetrating along the length direction of the female-end outer shell, and one end of the female-end placement cavity being provided with a female-end limiting step; the female-end inner shell being arranged in the female-end placement cavity, one end of the female-end inner shell being provided with a female-end limiting rib, the female-end limiting rib being used to cooperate on the female-end limiting step to limit the female-end inner shell in the female-end placement cavity; a female-end plug-in cavity is provided on one side of the female-end inner shell close to the female-end limiting rib, male-end plug-in guide grooves are provided on both sides of the male-end plug, one side of the male-end plug-in guide groove is connected to the male-end slot to expose the male-end inner shell; Both sides of the female end inner shell are provided with female end through grooves, one end of the female end through grooves is connected to the female end plug-in cavity, one end of the female end inner shell located in the female end plug-in cavity is provided with a female end fixing seat, the female end fixing seat is provided with a female end terminal slot, one end of the female end terminal slot is connected to the female end plug-in cavity; The female end plug-in cavity is provided with a female end plug-in guide strip and a female end plug-in guide groove, the female end plug-in cavity is provided with a female end plug-in card slot on one side of the female end plug-in guide strip, and the female end plug-in cavity is provided with a female end abutment pressing platform on one side of the female end through groove; a female end assembly sliding groove is provided on one side of the female end through groove, and the female end assembly sliding groove is used to guide the female end contact spring piece toward the female end through groove for assembly; a female end front stop groove is provided on the lower side of the female end assembly sliding groove, and a female end front stop spring piece is provided on the female end metal shell, and the female end front stop spring piece is used to cooperate with the front groove to fix the female end inner shell; The male end plug is used to be inserted into the female end plug-in cavity, and the male end plug-in guide groove is used to cooperate with the female end contact spring insertion guide, so that the female end contact spring is in conductive contact with the male end inner shell, and the male end electrical terminal is conductively connected with the female end electrical terminal.

2. The wiring harness connector assembly according to claim 1, characterized in that: A pressing spring is provided at the top of the male end plug, and a male end plug buckle is provided on the pressing spring; vertical plates are provided on both sides of the pressing spring, and a spacing groove is provided between the vertical plates and the pressing spring; The female end plug-in slot is used to cooperate with the male end plug-in buckle to keep the male end plug in the female end plug-in cavity; A male end plugging guide strip is arranged on a side of the male end plug facing away from the pressing spring sheet; a female end guide groove is arranged in the female end plugging cavity, and the female end guide groove is used to cooperate with the male end plugging guide strip.

3. The wiring harness connector assembly according to claim 1, characterized in that: The wall surface of the male end slot is provided with a male end stop groove and a male end front stop groove, and the male end inner housing is provided with a male end stop buckle and a male end front stop buckle, the male end stop buckle is used to fit in the male end stop groove, and the male end front stop buckle is used to fit in the male end front stop groove; A male end wire clamp is extended from one side of the male end inner housing toward the male end fixing part, one end of the male end wire harness extends into the male end fixing part and is connected to the male end electrical terminal, and the male end wire clamp is used to clamp and fix the male end wire harness; the male end fixing member is installed in the male end fixing part and is used to fix the male end wire harness to the male end fixing part; The male end slot is provided with male end assembly slots on both sides of the male end fixing part, and male end assembly buckles are provided on both sides of the male end fixing part. The male end fixing part is assembled in the male end assembly slots through the male end assembly buckles to fix the male end wiring harness.

4. The wiring harness connector assembly according to claim 1, characterized in that: The male end inner shell comprises a male end lower shell and a male end upper shell, one side of the male end upper shell covers one side of the male end lower shell, the male end lower shell is provided with a male end shell card slot, the male end upper shell is provided with a male end shell buckle, the male end shell buckle is used to buckle on the male end shell card slot, a male end fixing groove is provided between the male end lower shell and the male end upper shell, the male end insulator is provided with a fixing platform, and the male end fixing groove is used to fix the fixing platform; The male end lower shell is provided with a male end abutting spring sheet, and the male end insulator is provided with a stop step, and one end of the male end abutting spring sheet abuts on the stop step.

5. The wiring harness connector assembly according to claim 1, characterized in that: The front end of the male terminal assembly groove is provided with a male end limiting step, and the rear end is provided with a male end limiting groove, the male end limiting step is used to limit one end of the male end electrical terminal, the male end electrical terminal is provided with a male end limiting buckle, and one end of the male end limiting buckle is clamped in the male end limiting groove; The male terminal includes a male insertion end, a male elastic contact end and a male wiring end, wherein the male insertion end, the male elastic contact end and the male wiring end are sequentially arranged and formed by integral stamping; The male end insertion end is formed by two symmetrically arranged insertion spring sheets, the male end elastic contact end is formed by at least two contact spring sheets, and contact convex strips are arranged on the lower sides of the male end insertion end and the male end elastic contact end.

6. The wiring harness connector assembly according to claim 2, characterized in that: The female end metal shell is covered on the outside of the female end inner shell and is located between the female end inner shell and the female end placement cavity; female end contact springs are arranged on both sides of the female end metal shell, and the contact ends of the female end contact springs extend from the female end through slots into the female end plug-in cavity; a plurality of female end electrical terminals are arranged, one end of the female end electrical terminal is inserted into the female end terminal slot and extends into the female end plug-in cavity; the female end fixing piece is installed at one end of the female end placement cavity, and fixes the female end inner shell in the female end placement cavity; A female end assembly platform is arranged on one side of the female end outer shell, and a female end separation groove is penetrated through the female end assembly platform along the length direction of the female end outer shell to form two mutually symmetrical female end assembly guide rails, and the female end assembly guide rails are provided with a female end assembly slot for assembling and fixing the female end outer shell on the equipment; a female end assembly buckle is arranged on the side of the female end outer shell facing the female end separation groove.

7. The wiring harness connector assembly according to claim 1, characterized in that: The female end placement cavity is provided with a female end assembly guide groove, one end of the female end assembly guide groove passes through the female end limiting step, female end assembly guide strips are provided on both sides of the female end limiting rib, and the female end inner shell is slidably assembled in the female end assembly guide groove through the female end assembly guide strip.

8. The wiring harness connector assembly according to claim 2, characterized in that: One end of the female end inner housing is provided with a female end clamping groove, the female end clamping groove is provided with a female end clamping buckle, one end of the female end clamping buckle extends to the female end terminal slot, the female end electrical terminal is provided with a female end clamping platform, one end of the female end clamping buckle abuts against the female end clamping platform to fix the female end electrical terminal in the female end terminal slot; The female end clamping buckle is provided with a female end extension portion, which extends toward the outer side surface of the female end inner shell and is relatively flush with the outer side surface of the female end inner shell, and a partition groove is provided between the female end extension portion and a wall surface of the female end clamping groove.

9. The wiring harness connector assembly according to claim 8, characterized in that: The female terminal slot includes a female terminal jack, a female tight-fitting portion and a female wire clamp portion which are connected in sequence, and the female electrical terminal includes a female terminal pin, a female tight-fitting end and a female terminal wire clamp. One end of the female terminal pin is inserted into the female terminal jack and extends into the female plug-in cavity, the female tight-fitting end is arranged in the female tight-fitting portion, and the female terminal wire clamp is arranged in the female wire clamp portion.

10. The wiring harness connector assembly according to claim 1, characterized in that: One end of the female end metal shell is provided with a female end wire harness clamping portion, the female end wire harness clamping portion is provided with a female end connecting wire harness, and one end of the female end connecting wire harness is connected to the female end electrical terminal; The female end fixing part is provided with a female end clamping column, and a female end wire clamping cavity is provided on the lower side of the female end clamping column. The female end wire harness clamping part is used to fix the female end connecting wire harness in the female end wire clamping cavity. One end of the female end clamping column presses the female end inner shell body, and a female end wiring groove is provided on one side of the female end wire clamping cavity. The female end wiring groove is used to lead out one end of the female end connecting wire harness.

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