High-voltage wire harness injection molding part for new energy automobile and processing method thereof
By adopting threaded fixing grooves and double-layer sealing structures in the injection-molded high-voltage wiring harnesses of new energy vehicles, combined with anti-corrosion sealing strips, high-temperature resistant sealing rings, and spring designs, the problems of insufficient sealing and contact area are solved, achieving better sealing and shock absorption effects and improving the stability of the electrical system.
Patent Information
- Application Number
- CN202511310378.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-15
- Publication Date
- 2025-11-11
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing high-voltage wiring harness injection molded parts for new energy vehicles have deficiencies in terms of sealing and contact area, which can easily lead to problems such as dust ingress, poor contact, and overheating.
It adopts a threaded fixing groove and a double-layer sealing structure, combined with anti-corrosion sealing strips, high-temperature resistant sealing rings and spring-compressed conductive cylinder design to enhance sealing performance, and reduces the impact of vibration through shock-absorbing blocks.
It improves the sealing performance and contact area of high-voltage wiring harness injection molded parts for new energy vehicles, reduces the impact of heat and vibration, and ensures the stable operation of the electrical system.
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Figure CN120922046A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of automotive wiring harness technology, and in particular to a high-voltage wiring harness injection molded part for new energy vehicles and its processing method. Background Technology
[0002] High-voltage wiring harness injection molded parts for new energy vehicles can achieve the connection, fixation, and insulation protection of high-voltage wiring harnesses, ensuring the safe transmission of high-voltage electricity. The processing method utilizes injection molding technology, precisely controlling parameters to ensure the accuracy and performance of the injection molded parts, improving the reliability and safety of the wiring harness, and contributing to the stable operation of the electrical system of new energy vehicles.
[0003] Existing high-voltage wiring harness injection molded parts for new energy vehicles mostly rely on preventing dust from entering and using snap-fit covers to achieve overall molding and sealing. This is not only cumbersome to operate and has poor sealing performance, but also prone to overheating and poor contact due to the small contact area for energy transmission. Summary of the Invention
[0004] The purpose of this invention is to at least solve one of the technical problems existing in the prior art, and to provide a high-voltage wiring harness injection molding part for new energy vehicles and its processing method. Through threaded fixing groove one, threaded fixing groove two, threaded fixing groove three and threaded fixing groove four, the device has good flatness and thus better sealing performance. Through the outer anti-corrosion sealing strip and the inner high-temperature resistant sealing ring, the device has double-layer sealing performance. Through the spring pressing the conductive cylinder outward, the inner battery cell and the superconducting column are tightly attached to the high-voltage terminal of the vehicle. Through the shock-absorbing block one and shock-absorbing block two, the vibration during vehicle operation can be effectively reduced.
[0005] The present invention also provides an injection-molded high-voltage wiring harness for new energy vehicles, comprising: an injection block, wherein the injection block is provided with a threaded fixing groove 1, a threaded fixing groove 2, a threaded fixing groove 3, and a threaded fixing groove 4 respectively; the injection block is provided with a shock-absorbing block placement groove 1 and a shock-absorbing block placement groove 2, wherein a shock-absorbing block 1 is tightly fitted to the inner surface of the shock-absorbing block placement groove 1, and a shock-absorbing block 2 is tightly fitted to the inner surface of the shock-absorbing block placement groove 2; an anti-corrosion sealing strip is fixedly connected to the outer surface of the front end of the injection block; and anti-collision strips are fixedly connected to the outer surfaces of both the shock-absorbing block placement groove 1 and the shock-absorbing block placement groove 2; the injection block is provided with a wire mounting groove, wherein a high-temperature resistant sealing ring is fixedly connected to the outer surface of the wire mounting groove, and an insulating cylindrical block 1 is fixedly connected to the inner surface of the front end of the wire mounting groove; the insulating cylindrical block 1 is provided with a through hole 1 inside, and a conductive cylinder is slidably connected to the inner surface of the through hole 1.
[0006] According to the present invention, a high-voltage wiring harness injection molded part for new energy vehicles is provided, wherein a superconducting post is fixedly connected to the outer surface of the conductive cylinder, and an inner battery cell is fixedly connected to the outer surface of the superconducting post.
[0007] According to the present invention, a high-voltage wiring harness injection molded part for new energy vehicles is provided, wherein a superconducting long column is slidably connected to the inner surface of the conductive cylinder, and a spring is attached to the outer surface of the superconducting long column.
[0008] According to the present invention, a high-voltage wiring harness injection molded part for new energy vehicles is provided, wherein the outer surface of the spring is fixedly connected to the inner surface of a conductive cylinder, and the outer surface of the other end of the spring is fixedly connected to an insulating cylindrical block.
[0009] According to the present invention, a high-voltage wiring harness injection molded part for new energy vehicles is provided, wherein the interior of the insulating cylindrical block II is provided with a through hole II, and the inner surface of the through hole II is tightly fitted with a wire.
[0010] According to the present invention, a high-voltage wiring harness injection molded part for new energy vehicles is provided, wherein a superconducting long column is fixedly connected to the inner surface of the conductor, and a sheath is tightly fitted to the side surface of the conductor.
[0011] According to the present invention, a high-voltage wiring harness injection molded part for new energy vehicles is provided, wherein a sheath sealing ring is fixedly connected to the outer surface of the sheath, and a rubber block is fixedly connected to the inner surface of the sheath sealing ring.
[0012] According to the present invention, a high-voltage wiring harness injection molded part for new energy vehicles is provided, wherein a stress relief groove is provided inside the rubber block, an injection molded block is fixedly connected to the inner surface of the rubber block, and a first reinforced anti-electric block and a second reinforced anti-electric block penetrate through the inside of the injection molded block.
[0013] A method for processing high-voltage wiring harness injection molded parts for new energy vehicles includes the following steps:
[0014] S1. Connect the injection block to the automotive power supply component to be connected via the inner cell, and then lock it in place by the threaded fixing groove 1, threaded fixing groove 2, threaded fixing groove 3 and threaded fixing groove 4 inside the injection block, so that the outer anti-corrosion sealing strip and the inner high temperature resistant sealing ring form a double seal.
[0015] S2. When threaded fixing groove 1, threaded fixing groove 2, threaded fixing groove 3 and threaded fixing groove 4 are installed, the spring will press the conductive cylinder outward, so that the inner battery cell and the superconducting post are tightly attached to the high voltage terminal of the car. At the same time, damping block 1 and damping block 2 can effectively reduce the vibration during the car's driving process.
[0016] Compared with existing technologies, this high-voltage wiring harness injection molding part for new energy vehicles and its processing method, through threaded fixing groove one, threaded fixing groove two, threaded fixing groove three and threaded fixing groove four, enable the device to have good flatness and thus better sealing performance. Through the outer anti-corrosion sealing strip and the inner high-temperature resistant sealing ring, the device has double-layer sealing performance. By using a spring to squeeze the conductive cylinder outward, the inner battery cell and the superconducting column are tightly attached to the high-voltage terminal of the vehicle. Through shock absorber one and shock absorber two, vibration during vehicle operation can be effectively reduced. Attached Figure Description
[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments;
[0018] Figure 1 This is an overall structural diagram of the high-voltage wiring harness injection molded part for new energy vehicles according to the present invention;
[0019] Figure 2 This is a left-side structural view of the high-voltage wiring harness injection molded part for new energy vehicles according to the present invention;
[0020] Figure 3 This is a cross-sectional left view of the injection-molded high-voltage wiring harness for new energy vehicles according to the present invention;
[0021] Figure 4 This is a front view structural diagram of the high-voltage wiring harness injection molded part for new energy vehicles according to the present invention;
[0022] Figure 5 This is a front view structural diagram of the high-voltage wiring harness injection molded part for new energy vehicles according to the present invention.
[0023] Legend:
[0024] 1. Injection molding block; 2. Threaded fixing groove one; 3. Threaded fixing groove two; 4. Threaded fixing groove three; 5. Threaded fixing groove four; 6. Reinforced anti-electric block one; 7. Reinforced anti-electric block two; 8. Shock-absorbing block placement groove one; 9. Shock-absorbing block placement groove two; 10. Shock-absorbing block one; 11. Shock-absorbing block two; 12. High-temperature resistant sealing ring; 13. Wire installation groove; 14. Inner battery cell; 15. Superconducting column; 16. Anti-corrosion sealing strip; 17. Anti-collision strip; 18. Conductive cylinder; 19. Rubber block; 20. Stress relief groove; 21. Sheath sealing ring; 22. Sheath; 23. Insulating cylindrical block one; 24. Through hole one; 25. Insulating cylindrical block two; 26. Through hole two; 27. Superconducting long column; 28. Spring; 29. Wire. Detailed Implementation
[0025] This section will describe in detail specific embodiments of the present invention. Preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the drawings is to supplement the textual description with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but they should not be construed as limiting the scope of protection of the present invention.
[0026] Reference Figure 1 , Figure 3 , Figure 5 This invention discloses an injection-molded high-voltage wiring harness for new energy vehicles and its processing method, comprising: an injection block 1, wherein the injection block 1 has a threaded fixing groove 2, a threaded fixing groove 3, a threaded fixing groove 4, and a threaded fixing groove 5 respectively; the injection block 1 also has a shock-absorbing block placement groove 8 and a shock-absorbing block placement groove 9; a shock-absorbing block 10 is tightly fitted to the inner surface of the shock-absorbing block placement groove 8, and a shock-absorbing block 11 is tightly fitted to the inner surface of the shock-absorbing block placement groove 9; and an anti-corrosion sealing strip 16 is fixedly connected to the outer surface of the front end of the injection block 1. Both the outer surfaces of the block placement groove 18 and the shock-absorbing block placement groove 29 are fixedly connected with anti-collision strips 17; the injection block 1 is provided with a wire installation groove 13 inside, the outer surface of the wire installation groove 13 is fixedly connected with a high-temperature resistant sealing ring 12, the inner surface of the front end of the wire installation groove 13 is fixedly connected with an insulating cylindrical block 23, the inner surface of the insulating cylindrical block 23 is provided with a through hole 24, the inner surface of the through hole 24 is slidably connected with a conductive cylinder 18, the outer surface of the conductive cylinder 18 is fixedly connected with a superconducting column 15, and the outer surface of the superconducting column 15 is fixedly connected with an inner battery cell 14.
[0027] Specifically, the threaded fixing grooves 1-2, 2-3, 3-4, and 4-5 inside the injection-molded block 1 are used to fix the connecting components while ensuring that the anti-corrosion sealing strip 16 and the high-temperature sealing ring 12 can make tight contact with the connecting components, thus achieving better sealing performance. The insulating cylindrical block 23 has a through hole 24 inside, and a conductive cylinder 18 is slidably connected to the inner surface of the through hole 24. A superconducting post 15 is fixedly connected to the outer surface of the conductive cylinder 18, and an inner battery cell 14 is fixedly connected to the outer surface of the superconducting post 15. This results in a large contact area at the connection end of the device, reducing heat generation during device use.
[0028] A superconducting long column 27 is slidably connected to the inner surface of the conductive cylinder 18. A spring 28 is attached to the outer surface of the superconducting long column 27. The inner surface of the conductive cylinder 18 is fixedly connected to the outer surface of the spring 28. An insulating cylindrical block 25 is fixedly connected to the outer surface of the other end of the spring 28. A through hole 26 is provided inside the insulating cylindrical block 25. A wire 29 is tightly attached to the inner surface of the through hole 26. A superconducting long column 27 is fixedly connected to the inner surface of the wire 29. A sheath 22 is tightly attached to the side surface of the wire 29. A sheath sealing ring 21 is fixedly connected to the outer surface of the sheath 22. A rubber block 19 is fixedly connected to the inner surface of the sheath sealing ring 21. A stress relief groove 20 is provided inside the rubber block 19. An injection molded block 1 is fixedly connected to the inner surface of the rubber block 19. A reinforced anti-electric block 6 and a reinforced anti-electric block 7 penetrate through the inside of the injection molded block 1.
[0029] Specifically, a superconducting long column 27 is slidably connected to the inner surface of the conductive cylinder 18, and a spring 28 is attached to the outer surface of the superconducting long column 27. The outer surface of the spring 28 is fixedly connected to the inner surface of the conductive cylinder 18, and an insulating cylindrical block 25 is fixedly connected to the outer surface of the other end of the spring 28. This allows the spring 28 to provide sufficient thrust to the conductive cylinder 18, ensuring the firmness of the contact end.
[0030] The injection-molded high-voltage wiring harness for new energy vehicles is made of polypropylene.
[0031] like Figure 1 As shown, the processing method of high-voltage wiring harness injection molding parts for new energy vehicles in this embodiment includes the following steps:
[0032] S1. The injection block 1 is connected to the automotive power supply component to be connected via the inner cell 14, and then locked by the threaded fixing groove 1, 2, 3, 4 and 5 inside the injection block 1, so that the outer anti-corrosion sealing strip 16 and the inner high temperature resistant sealing ring 12 form a double seal.
[0033] S2. When the threaded fixing groove 1, threaded fixing groove 2, threaded fixing groove 3, threaded fixing groove 4 and threaded fixing groove 4 are installed, the spring 28 will press the conductive cylinder 18 outward, thereby making the inner battery cell 14 and the superconducting post 15 tightly fit on the high voltage terminal of the car. At the same time, the shock absorber 10 and shock absorber 21 can effectively reduce the vibration during the car's driving process.
[0034] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A high-voltage wiring harness injection molded part for new energy vehicles, characterized in that, include: The injection block (1) has a threaded fixing groove 1 (2), a threaded fixing groove 2 (3), a threaded fixing groove 3 (4) and a threaded fixing groove 4 (5) respectively. The injection block (1) has a shock-absorbing block placement groove 1 (8) and a shock-absorbing block placement groove 2 (9) inside. The inner surface of the shock-absorbing block placement groove 1 (8) is tightly fitted with a shock-absorbing block 1 (10). The inner surface of the shock-absorbing block placement groove 2 (9) is tightly fitted with a shock-absorbing block 2 (11). The outer surface of the front end of the injection block (1) is fixedly connected with an anti-corrosion sealing strip (16). The outer surfaces of the shock-absorbing block placement groove 1 (8) and the shock-absorbing block placement groove 2 (9) are both fixedly connected with anti-collision strips (17). The injection block (1) has a wire mounting groove (13) inside. A high-temperature resistant sealing ring (12) is fixedly connected to the outer surface of the wire mounting groove (13). An insulating cylindrical block (23) is fixedly connected to the inner surface of the front end of the wire mounting groove (13). A through hole (24) is provided inside the insulating cylindrical block (23). A conductive cylinder (18) is slidably connected to the inner surface of the through hole (24).
2. The high-voltage wiring harness injection molded part for new energy vehicles according to claim 1, characterized in that, The outer surface of the conductive cylinder (18) is fixedly connected to a superconducting column (15), and the outer surface of the superconducting column (15) is fixedly connected to an inner battery cell (14).
3. The high-voltage wiring harness injection molded part for new energy vehicles according to claim 1, characterized in that, The inner surface of the conductive cylinder (18) is slidably connected to a superconducting long column (27), and the outer surface of the superconducting long column (27) is fitted with a spring (28).
4. The high-voltage wiring harness injection molded part for new energy vehicles according to claim 3, characterized in that, The outer surface of the spring (28) is fixedly connected to the inner surface of the conductive cylinder (18), and the outer surface of the other end of the spring (28) is fixedly connected to the insulating cylindrical block (25).
5. A high-voltage wiring harness injection molded part for new energy vehicles according to claim 4, characterized in that, The insulating cylindrical block 2 (25) has a through hole 2 (26) inside, and the inner surface of the through hole 2 (26) is tightly fitted with a wire (29).
6. A high-voltage wiring harness injection molded part for new energy vehicles according to claim 5, characterized in that, The inner surface of the conductor (29) is fixedly connected to a superconducting long column (27), and the side surface of the conductor (29) is tightly fitted with a sheath (22).
7. A high-voltage wiring harness injection molded part for new energy vehicles according to claim 6, characterized in that, The outer surface of the sheath (22) is fixedly connected to a sheath sealing ring (21), and the inner surface of the sheath sealing ring (21) is fixedly connected to a rubber block (19).
8. A high-voltage wiring harness injection molded part for new energy vehicles according to claim 7, characterized in that, The rubber block (19) has a stress relief groove (20) inside. An injection molding block (1) is fixedly connected to the inner surface of the rubber block (19). A reinforced anti-electric block one (6) and a reinforced anti-electric block two (7) pass through the inside of the injection molding block (1).
9. A method for processing injection-molded high-voltage wiring harnesses for new energy vehicles, characterized in that, Includes the following steps: S1. Connect the injection block (1) to the automotive power supply component to be connected via the inner cell (14), and then lock it by the threaded fixing groove 1 (2), threaded fixing groove 2 (3), threaded fixing groove 3 (4) and threaded fixing groove 4 (5) inside the injection block (1), so that the outer anti-corrosion sealing strip (16) and the inner high temperature resistant sealing ring (12) are double sealed. S2. When the threaded fixing groove 1 (2), threaded fixing groove 2 (3), threaded fixing groove 3 (4) and threaded fixing groove 4 (5) are installed, the spring (28) will press the conductive cylinder (18) outward, so that the inner cell (14) and the superconducting post (15) are tightly attached to the high voltage terminal of the car. At the same time, the shock absorber 1 (10) and the shock absorber 2 (11) can effectively reduce the vibration during the car's driving process.