Automobile high-voltage wire harness joint structure

Abstract

The utility model discloses an automobile high-voltage wire harness joint structure, which comprises a first joint shell, a second joint shell and a cable, a plug piece is arranged at the joint of one end of the first joint shell and one end of the second joint shell, and the plug piece is clamped with the first joint shell and the second joint shell. The other end of the first connector shell and the other end of the second connector shell are each provided with a semicircular connecting ring, the number of the semicircular connecting rings is two, external threads are arranged on the outer walls of the semicircular connecting rings, locking caps are arranged outside the semicircular connecting rings, and the locking caps are arranged outside the cable. The inner wall of one end of the locking cap is provided with an internal thread, the locking cap is in threaded connection with the semicircular connecting ring, the wiring harness connector structure is formed by splicing the two connector shells, when the wiring harness connector is damaged, the wiring harness or the connector can be independently detached and replaced, the whole wiring harness connector does not need to be replaced, the service life of the wiring harness connector is prolonged, and the wiring harness connector is convenient to use. The use effect of the wire harness joint is improved.

Description

Technical Field

[0001] This utility model relates to the field of automotive high-voltage wiring harness technology, specifically to an automotive high-voltage wiring harness connector structure. Background Technology

[0002] A wiring harness is the overall system of service equipment for a given load source group. In automobiles, high-voltage wiring harnesses are the primary carrier for power output in electric vehicles and a key component ensuring overall vehicle performance and safety. They are bundled electrical components consisting of multiple wires or cables, typically composed of conductors, insulation materials, sheaths, and connectors, used to transmit high-voltage current. Wiring harness connectors have complex structures and precise designs, containing multiple key components and special structures to ensure safe and reliable electrical connections.

[0003] Chinese Patent Publication No. CN212737985U, authorized on March 19, 2021, discloses an automotive high-voltage wiring harness connector, relating to the field of wiring harness connector technology. Specifically, it is an automotive high-voltage wiring harness connector, including a connector head and a wiring harness. A protective shell is fixedly connected to the outside of the connector head, and a connecting groove is formed on the right side of the connector head. A fixing plate is fixedly sleeved on the outside of the wiring harness, and a fixing nut is movably sleeved on the outside of the wiring harness. By using a plug-in connection to connect the connector head and the wiring harness, when the connector head or wiring harness is damaged, the fixing nut can be unscrewed, the wiring harness pulled out of the connector head, and then the connector head or wiring harness can be replaced without discarding the connector head or wiring harness, saving materials and reducing usage costs. A sealing ring is provided, with the arc groove on the right side of the sealing ring fitting against the protrusion, and the protruding rib on the outside of the sealing ring interlocking with the inside of the protective shell, improving the sealing performance between the protective shell and the fixing nut and preventing water ingress into the protective shell.

[0004] The existing wire harness connectors are manufactured as a single piece. When a single wire harness or connector is damaged, both the wire harness and the connector need to be replaced together. The wire harness connector cannot be disassembled to replace the wire harness or connector separately, which increases the cost of use and cannot meet the usage requirements. Utility Model Content

[0005] The purpose of this utility model is to provide a high-voltage wiring harness connector structure for automobiles, in order to solve the problem mentioned in the background art that the existing wiring harness connectors are manufactured by integral molding. When a single wire harness or connector is damaged, the wire harness and connector need to be replaced together. The wire harness connector cannot be disassembled to replace the wire harness or connector separately, which increases the cost of use and fails to meet the usage requirements.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a high-voltage wiring harness connector structure for automobiles, comprising a first connector shell, a second connector shell, and a cable. A plug is provided at the connection point of one end of the first connector shell and the second connector shell, and the plug is snapped into the first connector shell and the second connector shell. The plug is electrically connected to the cable. A semi-circular connecting ring is provided at the other end of both the first connector shell and the second connector shell. Two semi-circular connecting rings are provided, and the semi-circular connecting rings are integrally formed with the first connector shell and the second connector shell. An external thread is provided on the outer wall of the semi-circular connecting ring. A locking cap is provided on the outside of the semi-circular connecting ring, and the locking cap is located outside the cable. An internal thread is provided on the inner wall of one end of the locking cap, and the internal thread corresponds to the external thread. The locking cap is threadedly connected to the semi-circular connecting ring.

[0007] Preferably, the first connector shell is provided with a positioning groove, and the positioning groove is provided in correspondence with the cable.

[0008] Preferably, a fixing clip is provided above the positioning groove, and the fixing clip is connected to the first connector shell by screws, and the fixing clip is U-shaped.

[0009] Preferably, the first connector shell has four positioning holes on its end face, and the second connector shell has four protruding posts on its inner side. The protruding posts are integral with the second connector shell, and the protruding posts are corresponding to the positioning holes and are inserted into the first connector shell.

[0010] Preferably, a sealing ring is provided inside the other end of the locking cap, and the sealing ring is integrated with the locking cap. The sealing ring is located outside the cable and is in contact with the cable.

[0011] Preferably, anti-slip plates are provided on both sides of the first connector shell and the second connector shell, and the anti-slip plates are in close contact with the first connector shell and the second connector shell.

[0012] Preferably, the front ends of the first connector shell and the second connector shell are provided with two insertion holes, which are located on both sides of the plug component, and the cross-section of the insertion holes is an isosceles trapezoid.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. This utility model device, through the setting of a locking cap, a positioning hole, a semi-circular connecting ring, a sealing ring, and a protruding post, connects the locking cap and the semi-circular connecting ring to limit the splicing of the first and second connector shells. The protruding post is inserted into the positioning hole and plays a positioning role when the second connector shell is spliced ​​with the first connector shell. It can quickly and accurately connect the second connector shell with the first connector shell, and also limit the spliced ​​wire harness connector structure, improve the stability of the wire harness connector structure, and facilitate the subsequent disassembly and maintenance of the wire harness connector structure. The sealing ring fills the gap between the locking cap and the cable, ensuring the sealing of the connection between the cable and the wire harness connector structure.

[0015] 2. The utility model device, through the setting of positioning groove and fixing clip, presses the cable into the positioning groove, and the fixing clip fixes the cable pressed into the positioning groove, preventing the cable pressed into the positioning groove from popping out, thereby improving the wiring effect of the cable inside the connector.

[0016] 3. The utility model device, through the setting of the socket, can be set to correspond with the plug block set on the car socket. When the connector is connected to the socket, the plug block is aligned with the socket and inserted, which can play a positioning and limiting role for the wire harness connector, thereby improving the connection effect between the wire harness connector and the car socket. Attached Figure Description

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 This is a side view of the present invention.

[0019] Figure 3 This diagram shows the connection relationship between the plug and cable and the first connector shell of this utility model.

[0020] Figure 4 This is a structural diagram showing the connection between the semi-circular connecting ring and the first and second connector shells of this utility model.

[0021] Figure 5 This is a front view structural diagram of the locking cap of this utility model;

[0022] Figure 6 This diagram shows the connection relationship between the cable and the first and second connector shells of this utility model.

[0023] In the diagram: 1. First connector shell; 2. Second connector shell; 3. Anti-slip plate; 4. Plug; 5. Cable; 6. Locking cap; 7. Socket; 8. Positioning hole; 9. Semi-circular connecting ring; 10. Fixing clip; 11. External thread; 12. Internal thread; 13. Sealing ring; 14. Protruding post; 15. Positioning groove. Detailed Implementation

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0025] Please see Figure 1-6 This utility model provides an embodiment of an automotive high-voltage wiring harness connector structure, comprising a first connector shell 1, a second connector shell 2, and a cable 5. A plug 4 is provided at one end of the connection between the first connector shell 1 and the second connector shell 2, and the plug 4 engages with the first connector shell 1 and the second connector shell 2. The plug 4 is electrically connected to the cable 5. Two semi-circular connecting rings 9 are provided at the other end of both the first connector shell 1 and the second connector shell 2, and the semi-circular connecting rings 9 are integrally formed with the first connector shell 1 and the second connector shell 2. The outer wall of the semi-circular connecting ring 9 is provided with an external thread 11. A locking cap 6 is provided on the outside of the semi-circular connecting ring 9 and is located outside the cable 5. An internal thread 12 is provided on the inner wall of one end of the locking cap 6 and is provided corresponding to the external thread 11. The locking cap 6 is threadedly connected to the semi-circular connecting ring 9. A positioning groove 15 is provided on the first connector shell 1 and is provided corresponding to the cable 5. A fixing clip 10 is provided above the positioning groove 15 and is connected to the first connector shell 1 by screws. The fixing clip 10 is U-shaped.

[0026] In use: Connect the plug 4 to the cable 5. First, engage the plug 4 with the first connector shell 1. Then, press the cable 5 into the positioning groove 15 and lead it out along the semi-circular connecting ring 9. Use the fixing clip 10 to fix the cable 5 pressed into the positioning groove 15. Then, connect the second connector shell 2 to the plug 4 and the cable 5 in the same way. Connect the locking cap 6 to the semi-circular connecting ring 9 to limit the spliced ​​first connector shell 1 and second connector shell 2, which facilitates the subsequent disassembly and maintenance of the wire harness connector structure.

[0027] Please see Figure 1 , Figure 4 , Figure 5 and Figure 6The first connector shell 1 has four positioning holes 8 on its end face. The second connector shell 2 has four protruding posts 14 on its inner side. The protruding posts 14 are integrated with the second connector shell 2 and are corresponding to the positioning holes 8. The protruding posts 14 are inserted into the first connector shell 1. The other end of the locking cap 6 has a sealing ring 13 inside and is integrated with the locking cap 6. The sealing ring 13 is located outside the cable 5 and fits against the cable 5. The protruding posts 14 are inserted into the positioning holes 8 and play a positioning role when the second connector shell 2 and the first connector shell 1 are spliced. This allows for quick and accurate connection between the second connector shell 2 and the first connector shell 1. It also limits the spliced ​​wire harness connector structure and improves the stability of the wire harness connector structure. The sealing ring 13 fills the gap between the locking cap 6 and the cable 5 to ensure the sealing of the connection between the cable 5 and the wire harness connector structure.

[0028] Please see Figure 1 , Figure 2 and Figure 3 Both sides of the first connector shell 1 and the second connector shell 2 are provided with anti-slip plates 3, and the anti-slip plates 3 are closely connected to the first connector shell 1 and the second connector shell 2. The front end of the first connector shell 1 and the second connector shell 2 are provided with two sockets 7, and the two sockets 7 are located on both sides of the plug 4. The cross-section of the socket 7 is an isosceles trapezoid. The anti-slip plates 3 increase the friction of the connector shell surface, making it easier for users to plug and unplug the wire harness connector structure. The sockets 7 can be set to correspond to the plugs on the car socket. When the connector is connected to the socket, the plug is aligned with the socket 7 and inserted, which can play a positioning and limiting role for the wire harness connector and improve the connection effect between the wire harness connector and the car socket.

[0029] Working principle: The plug 4 is connected to the cable 5. First, the plug 4 is engaged with the first connector shell 1. Then, the cable 5 is pressed into the positioning groove 15 and led out along the semi-circular connecting ring 9. The fixing clip 10 is used to fix the cable 5 pressed into the positioning groove 15. Then, the second connector shell 2 is connected to the plug 4 and the cable 5 in the same manner. The protruding post 14 is inserted into the positioning hole 8, serving a positioning function when the second connector shell 2 and the first connector shell 1 are joined. The locking cap 6 is connected to the semi-circular connecting ring 9, securing the joined first connector shell 1 and the second connector shell 2. The two connector shells 2 are used for limiting the position, which facilitates the subsequent disassembly and maintenance of the wire harness connector structure; the sealing ring 13 fills the gap between the locking cap 6 and the cable 5, ensuring the sealing of the connection between the cable 5 and the wire harness connector structure; the anti-slip plate 3 increases the friction on the surface of the connector shell, making it easier for users to plug and unplug the wire harness connector structure; the socket 7 can be set to correspond to the plug block set on the car socket. When the connector is connected to the socket, the plug block is aligned with the socket 7 and inserted, which can play a positioning and limiting role for the wire harness connector, improving the connection effect between the wire harness connector and the car socket.

[0030] The contents not described in detail in this specification are existing technologies known to those skilled in the art.

[0031] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-voltage wiring harness connector structure for automobiles, comprising a first connector shell (1), a second connector shell (2), and a cable (5), characterized in that: A plug (4) is provided at one end of the connection between the first connector shell (1) and the second connector shell (2), and the plug (4) is engaged with the first connector shell (1) and the second connector shell (2). The plug (4) is electrically connected to the cable (5). A semi-circular connecting ring (9) is provided at the other end of the first connector shell (1) and the second connector shell (2). There are two semi-circular connecting rings (9), and the semi-circular connecting rings (9) are integrated with the first connector shell (1) and the second connector shell (2). An external thread (11) is provided on the outer wall of the semi-circular connecting ring (9). A locking cap (6) is provided on the outside of the semi-circular connecting ring (9), and the locking cap (6) is located outside the cable (5). An internal thread (12) is provided on the inner wall of one end of the locking cap (6), and the internal thread (12) is corresponding to the external thread (11). The locking cap (6) is threadedly connected to the semi-circular connecting ring (9).

2. The automotive high-voltage wiring harness connector structure according to claim 1, characterized in that: The first connector housing (1) is provided with a positioning groove (15), and the positioning groove (15) is provided in correspondence with the cable (5).

3. The automotive high-voltage wiring harness connector structure according to claim 2, characterized in that: A fixing clip (10) is provided above the positioning groove (15), and the fixing clip (10) is connected to the first connector shell (1) by screws. The fixing clip (10) is U-shaped.

4. The automotive high-voltage wiring harness connector structure according to claim 1, characterized in that: The first connector shell (1) has four positioning holes (8) on its end face. The second connector shell (2) has four protruding posts (14) on its inner side. The protruding posts (14) are integrated with the second connector shell (2). The protruding posts (14) are corresponding to the positioning holes (8) and are inserted into the first connector shell (1).

5. The automotive high-voltage wiring harness connector structure according to claim 1, characterized in that: The locking cap (6) has a sealing ring (13) inside its other end, and the sealing ring (13) is connected to the locking cap (6) as a whole. The sealing ring (13) is located outside the cable (5) and is in contact with the cable (5).

6. The automotive high-voltage wiring harness connector structure according to claim 1, characterized in that: Anti-slip plates (3) are provided on both sides of the first connector shell (1) and the second connector shell (2), and the anti-slip plates (3) are in close contact with the first connector shell (1) and the second connector shell (2).

7. The automotive high-voltage wiring harness connector structure according to claim 1, characterized in that: The first connector shell (1) and the second connector shell (2) are provided with two sockets (7) at their front ends. The two sockets (7) are located on both sides of the plug (4). The cross-section of the socket (7) is an isosceles trapezoid.

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