Waterproof automobile wire harness connector
By designing a waterproof automotive wiring harness connector, the mutual cooperation and sealing ring structure of the left connecting block and the right connecting block are solved, and the problem of short circuit of the automotive wiring harness connector is easily short-circuited when encountering water. The wiring harness maintenance process is simplified through the coil structure and reduced the maintenance cost.
Patent Information
- Application Number
- CN202421887058.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-06
- Publication Date
- 2025-06-17
- Estimated Expiration
- 2034-08-06
AI Technical Summary
Existing automotive wiring harness connectors are prone to short-circuit when encountering water, resulting in electronic system failure and difficult to decompose when male, female or wire is damaged, so they need to be replaced as a whole to increase maintenance costs.
A waterproof automotive wiring harness connector is designed, which uses the cooperation between the left connecting block and the right connecting block to ensure sealing through the sealing ring and arc groove structure, and facilitates the disassembly and replacement of the wiring harness through the connecting coil structure.
Effectively prevents short circuit of the automotive wiring harness connector when encountering water, reduces the risk of electronic system failure, and simplifies the maintenance process of the wiring harness connector and reduces the maintenance cost.
Smart Images

Figure CN222995910U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of automotive wire harness connectors, in particular to a waterproof automotive wire harness connector. Background Art
[0002] Automotive wire harness connectors are important components used to connect different parts in a vehicle's electronic system. Their design takes into account high temperatures, vibrations, and environmental conditions to ensure reliable electrical connections and protect the wires from damage;
[0003] Automotive wire harness connectors are key components in a vehicle's electronic system, used to connect various sensors, actuators, and control units. It is usually composed of a connecting socket and a plug, with waterproof, high-temperature resistant, and anti-vibration design features to ensure stable and reliable electrical connections. The working principle of the connector is based on the precise docking of the socket and the plug, and electrical signals and electrical energy are transmitted through conductive contacts, effectively supporting communication and control between various vehicle components;
[0004] Some automotive wire harness connectors are composed of male and female heads and cannot effectively prevent water ingress. When the vehicle travels in a waterlogged section or in bad weather for a long time, it is easy to get water and cause a short circuit, resulting in electronic system failures, affecting operation and safety, and even possibly causing sparks and increasing the risk of fire; moreover, when the male head, female head, or wire of the wire harness connector is damaged, due to the difficulty of disassembly, welding is often used and it is difficult to disassemble, and only the entire wire harness connector can be replaced, increasing the maintenance cost and bringing inconvenience to the vehicle owner. For this reason, a waterproof automotive wire harness connector is proposed to solve the above problems. Summary of the Utility Model
[0005] In order to make up for the above deficiencies, the utility model provides a waterproof automotive wire harness connector, aiming to improve the problems in the prior art that some automotive wire harness connectors are composed of male and female heads, have poor waterproof performance, are prone to short circuits and failures when the vehicle encounters water, have a risk of fire, and when the male head, female head, or wire is damaged, they can only be replaced as a whole due to difficult disassembly, increasing the maintenance cost.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: A waterproof automotive wire harness connector, including a left conical cover, a right conical cover, a left connecting block, and a right connecting block. A plug post is fixedly connected to the left side inside the left connecting block. A first external thread is provided on the right side outside the left connecting block. A third arc groove is provided on the right side inside the left connecting block. A second arc groove is provided on the right part of the left connecting block. A first sealing ring is arranged inside the second arc groove. A positioning block is fixedly connected to the lower side inside the left connecting block;
[0007] As a further description of the above technical solution: A jack is fixedly connected to the left part of the right connection block. An annular groove is formed on the outer left side of the right connection block. An annular block slides inside the annular groove. A rotating cylinder is fixedly connected to the outer part of the annular block. A first internal thread is formed inside the rotating cylinder. A positioning groove is formed in the lower part of the jack. A first arc groove is formed on the outer right side of the jack. A second sealing ring is arranged inside the first arc groove. A fourth arc groove is formed in the left part of the right connection block;
[0008] As a further description of the above technical solution: The plug post is engaged with the jack. The positioning block is engaged with the positioning groove. The first external thread is threadedly connected to the first internal thread;
[0009] As a further description of the above technical solution: Square grooves are equidistantly formed at the mutually remote ends of the left connection block and the right connection block. Coil receiving rings are arranged inside the square grooves. Round holes are equidistantly formed at the upper and lower parts on the mutually close sides of the left connection block and the right connection block. Bolts are arranged inside the round holes. The bolts are threadedly connected to connect the coil receiving rings;
[0010] As a further description of the above technical solution: Second external threads and third external threads are respectively formed on the mutually remote outer sides of the left connection block and the right connection block. Second internal threads and third internal threads are respectively formed inside the left conical cover and the right conical cover. The second external thread is threadedly connected to the second internal thread. The third external thread is threadedly connected to the third internal thread;
[0011] As a further description of the above technical solution: Rubber hoses are fixedly connected to the mutually remote ends of the left conical cover and the right conical cover;
[0012] As a further description of the above technical solution: The first sealing ring is in contact with the fourth arc groove;
[0013] As a further description of the above technical solution: The second sealing ring is in contact with the third arc groove.
[0014] The utility model has the following beneficial effects:
[0015] 1. In the utility model, through the mutual cooperation of structures such as the left connection block and the right connection block, the right connection block with a jack is inserted into the left connection block with a plug post, aligning the positioning groove with the positioning block, and then rotating the rotating cylinder with an annular block, so that the right connection block with a jack can be completely inserted into the left connection block with a plug post. At the same time, the first sealing ring will be in contact with the second arc groove and the fourth arc groove, and the second sealing ring will be in contact with the first arc groove and the third arc groove, thus solving the problems that the automotive wire harness connector is prone to water ingress and short circuit, resulting in electronic system failures, and falling off on bumpy roads.
[0016] 2. In the present utility model, through the cooperation of structures such as the connection coil, when the male head, female head or wire of the wire harness connector is damaged, the left conical cover with the second internal thread and the right conical cover with the third internal thread are respectively unscrewed, and then the bolt is removed from the connection coil using a tool, and then the wire harness is removed. A good male head, female head or wire harness is replaced, thereby solving the problem that when the male head, female head or wire of the wire harness connector is damaged, it is difficult to disassemble and only the entire wire harness connector can be replaced, thus increasing the maintenance cost. Brief Description of the Drawings
[0017] Figure 1 Figure 1 is the overall structure diagram of a waterproof automotive wire harness connector proposed by the present utility model;
[0018] Figure 2 Figure 2 is the developed left view of a waterproof automotive wire harness connector proposed by the present utility model;
[0019] Figure 3 Figure 3 is the developed right view of a waterproof automotive wire harness connector proposed by the present utility model;
[0020] Figure 4 Figure 4 is the front sectional view of a waterproof automotive wire harness connector proposed by the present utility model.
[0021] Legend Explanation:
[0022] 1. Left conical cover; 2. Rubber tube; 3. Right conical cover; 4. Rotary cylinder; 5. Left connecting block; 6. First external thread; 7. Jack; 8. Positioning groove; 9. Second external thread; 10. Round hole; 11. Square groove; 12. First sealing ring; 13. Second sealing ring; 14. First internal thread; 15. First arc groove; 16. Right connecting block; 17. Ring groove; 18. Third external thread; 19. Third internal thread; 20. Second internal thread; 21. Plug post; 22. Ring block; 23. Second arc groove; 24. Bolt; 25. Connection coil; 26. Third arc groove; 27. Positioning block; 28. Fourth arc groove. Detailed Description of the Embodiment
[0023] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.
[0024] Refer to Figures 1-4, an embodiment provided by the present utility model: a waterproof automotive wire harness connector, comprising a left conical cover 1, a right conical cover 3, a left connecting block 5, and a right connecting block 16. A plug post 21 is fixedly connected to the left side inside the left connecting block 5. A first external thread 6 is provided on the right side outside the left connecting block 5. A third arc groove 26 is provided on the right side inside the left connecting block 5. A second arc groove 23 is provided on the right part of the left connecting block 5. A first sealing ring 12 is arranged inside the second arc groove 23. A positioning block 27 is fixedly connected to the lower side inside the left connecting block 5. A jack 7 is fixedly connected to the left part of the right connecting block 16. An annular groove 17 is provided on the left side outside the right connecting block 16. An annular block 22 slides inside the annular groove 17. A rotating cylinder 4 is fixedly connected to the outside of the annular block 22. A first internal thread 14 is provided inside the rotating cylinder 4. A positioning groove 8 is provided at the lower part of the jack 7. A first arc groove 15 is provided on the right side outside the jack 7. A second sealing ring 13 is arranged inside the first arc groove 15. A fourth arc groove 28 is provided on the left part of the right connecting block 16. The plug post 21 is engaged with the jack 7. The positioning block 27 is engaged with the positioning groove 8. The first internal thread 14 is threadedly connected to the first external thread 6. Square grooves 11 are equidistantly provided at the mutually remote ends of the left connecting block 5 and the right connecting block 16. Coil connectors 25 are arranged inside the square grooves 11. Circular holes 10 are equidistantly provided at the upper and lower parts on the mutually approaching sides of the left connecting block 5 and the right connecting block 16. Bolts 24 are arranged inside the circular holes 10. The bolts 24 are threadedly connected to connect the coil connectors 25. Second external threads 9 and third external threads 18 are respectively provided on the mutually remote sides outside the left connecting block 5 and the right connecting block 16. Second internal threads 20 and third internal threads 19 are respectively provided inside the left conical cover 1 and the right conical cover 3. The second external thread 9 is threadedly connected to the second internal thread 20. The third external thread 18 is threadedly connected to the third internal thread 19. Rubber hoses 2 are fixedly connected to the mutually remote ends of the left conical cover 1 and the right conical cover 3.
[0025] Through the mutual cooperation of structures such as the left connection block 5 and the right connection block 16, insert the right connection block 16 with the jack 7 into the left connection block 5 with the plug post 21, align the positioning groove 8 with the positioning block 27, and then rotate the rotating cylinder 4 with the ring block 22. In this way, the right connection block 16 with the jack 7 can be completely inserted into the left connection block 5 with the plug post 21. At the same time, the first sealing ring 12 will contact the second arc groove 23 and the fourth arc groove 28, and the second sealing ring 13 will contact the first arc groove 15 and the third arc groove 26, thereby solving the problems that the automotive wire harness connector is prone to water ingress and short circuit, resulting in electronic system failures, and falling off on bumpy roads; through the cooperation of structures such as the connection coil 25, when the male head, female head or wire of the wire harness connector is damaged, unscrew the left conical cover 1 with the second internal thread 20 and the right conical cover 3 with the third internal thread 19 respectively, then use a tool to remove the bolt 24 from the connection coil 25, and then take down the wire harness, replace the good male head, female head or wire harness, so as to solve the problem that when the male head, female head or wire of the wire harness connector is damaged, it is difficult to disassemble and only the whole wire harness connector can be replaced, thus increasing the maintenance cost.
[0026] Working principle: Through the mutual cooperation of structures such as the left connection block 5 and the right connection block 16, insert the right connection block 16 with the jack 7 into the left connection block 5 with the plug post 21, align the positioning groove 8 with the positioning block 27, and then rotate the rotating cylinder 4 with the ring block 22. In this way, the right connection block 16 with the jack 7 can be completely inserted into the left connection block 5 with the plug post 21. At the same time, the first sealing ring 12 will contact the second arc groove 23 and the fourth arc groove 28, and the second sealing ring 13 will contact the first arc groove 15 and the third arc groove 26, thereby solving the problems that the automotive wire harness connector is prone to water ingress and short circuit, resulting in electronic system failures, and falling off on bumpy roads; through the cooperation of structures such as the connection coil 25, when the male head, female head or wire of the wire harness connector is damaged, unscrew the left conical cover 1 with the second internal thread 20 and the right conical cover 3 with the third internal thread 19 respectively, then use a tool to remove the bolt 24 from the connection coil 25, and then take down the wire harness, replace the good male head, female head or wire harness, so as to solve the problem that when the male head, female head or wire of the wire harness connector is damaged, it is difficult to disassemble and only the whole wire harness connector can be replaced, thus increasing the maintenance cost.
[0027] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.
Claims
1. A waterproof automobile wiring harness connector, comprising a left conical cover (1), a right conical cover (3), a left connecting block (5), and a right connecting block (16), characterized in that: The left side of the left connecting block (5) is fixedly connected with a plug post (21), the right side of the outside of the left connecting block (5) is provided with a first external thread (6), the right side of the inside of the left connecting block (5) is provided with a third arc groove (26), the right part of the left connecting block (5) is provided with a second arc groove (23), the inside of the second arc groove (23) is provided with a first sealing ring (12), and the lower side of the inside of the left connecting block (5) is fixedly connected with a positioning block (27).
2. A waterproof automotive wiring harness connector according to claim 1, characterized in that: The left part of the right connecting block (16) is fixedly connected with a socket (7), the left side of the outside of the right connecting block (16) is provided with a ring groove (17), the inside of the ring groove (17) is provided with a ring block (22) for sliding, the outside of the ring block (22) is fixedly connected with a rotating cylinder (4), the inside of the rotating cylinder (4) is provided with a first internal thread (14), the lower part of the socket (7) is provided with a positioning groove (8), the right side of the outside of the socket (7) is provided with a first arc groove (15), the inside of the first arc groove (15) is provided with a second sealing ring (13), and the left part of the right connecting block (16) is provided with a fourth arc groove (28).
3. A waterproof automotive wiring harness connector according to claim 2, characterized in that: The plug post (21) is engaged with a plug hole (7), the positioning block (27) is engaged with a positioning groove (8), and the first internal thread (14) is threadedly connected with a first external thread (6).
4. The waterproof automotive wiring harness connector according to claim 1, characterized in that: The ends of the left connecting block (5) and the right connecting block (16) which are far from each other are provided with square grooves (11) at equal distances, and the inside of the square grooves (11) are provided with connecting coils (25). The upper and lower parts of the sides of the left connecting block (5) and the right connecting block (16) which are close to each other are provided with circular holes (10) at equal distances, and the inside of the circular holes (10) are provided with bolts (24), and the bolts (24) are threadedly connected with the connecting coils (25).
5. The waterproof automotive wiring harness connector according to claim 1, characterized in that: A second external thread (9) and a third external thread (18) are respectively provided on the outer sides of the left connecting block (5) and the right connecting block (16) which are away from each other. A second internal thread (20) and a third internal thread (19) are respectively provided inside the left conical cover (1) and the right conical cover (3). The second external thread (9) is threadedly connected to the second internal thread (20), and the third external thread (18) is threadedly connected to the third internal thread (19).
6. The waterproof automotive wiring harness connector according to claim 1, characterized in that: The ends of the left conical cover (1) and the right conical cover (3) that are away from each other are both fixedly connected with a rubber tube (2).
7. The waterproof automotive wiring harness connector according to claim 1, characterized in that: The first sealing ring (12) is in contact with the fourth arc groove (28).
8. The waterproof automotive wiring harness connector according to claim 2, characterized in that: The second sealing ring (13) is in contact with the third arc groove (26).