Automobile high-voltage electric connector

Abstract

The utility model discloses an automobile high-voltage electric connector, which relates to the technical field of automobile high-voltage electric connection and comprises a base, a fuse is arranged in the base, a plurality of groups of female end shells are arranged on the outer side of the base, pin rods are arranged in the female end shells, contact points are arranged in the pin rods, and male end inner shells are arranged on the outer sides of the female end shells. The male end inner shell is provided with a pin hole matched with the pin rod, the other protruding contact point is arranged in the pin hole, the other protruding contact point arranged in the pin hole is matched with the contact point arranged in the pin rod, a connecting mechanism is arranged on the outer side of the female end shell and the outer side of the male end inner shell, and the male end outer shell is arranged on the other side of the male end inner shell. And the clamping mechanism is arranged in the male end outer shell, and the clamping mechanism is of a contractible wire clamping structure, so that the stability and reliability of high-voltage electric contact are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile high-voltage electrical connection, in particular to an automobile high-voltage electrical connector. Background Art

[0002] With the rapid development of new energy vehicle technology, electric vehicles have become an important trend in the automotive industry. As the core component of the vehicle's electrical system, the performance and reliability of electric vehicle high-voltage electrical connection devices are directly related to the safety and operating efficiency of the vehicle. Electrical connectors are objects that make electrical connections and transmit signals between devices, components, and systems. They are the basic components necessary for a complete system. Electrical connectors are widely used in various electrical circuits to connect or disconnect circuits. In new energy vehicles, their main function is to connect power modules to modules and power supplies to motors.

[0003] Existing high-voltage electrical connectors may experience poor contact and increased contact resistance between contact parts due to vehicle vibration, eccentric insertion, metal deformation, etc. This will not only lead to a decrease in power transmission efficiency, but may also cause safety hazards such as overheating and arcing. In addition, wear and aging of contact parts during long-term use are also important factors leading to electrical contact failure. At the same time, the connection device may loosen, fall off, and other faults during use, resulting in poor versatility and interchangeability. Utility Model Content

[0004] The utility model provides an automotive high-voltage electrical connector, which solves the existing problems of poor contact, increased contact resistance, loosening, falling off and other faults caused by vehicle vibration, eccentric plugging, metal deformation and the like.

[0005] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A high-voltage electrical connector for an automobile comprises a base, a fuse being provided inside the base, and multiple groups of female end shells being provided on the outside of the base, a pin being provided inside the female end shell, a contact point being provided inside the pin, and a male end inner shell being provided on the outside of the female end shell, a pin hole being provided on the male end inner shell that matches the pin, and another raised contact point being provided inside the pin hole, and another raised contact point being provided inside the pin hole that matches the contact point provided inside the pin, a connecting mechanism being provided on the outside of the female end shell and the male end inner shell, a male end outer shell being provided on the other side of the male end inner shell, and a clamping mechanism being provided inside the male end outer shell, and the clamping mechanism being a contractible wire clamping structure.

[0007] Preferably, the base includes a fixing plate and a fixing hole, and fixing plates are installed on both sides of the bottom of the base, and fixing holes are respectively provided on both sides above the fixing plate.

[0008] Preferably, the female end housing includes a flange, bolts, a ground protector connector, a clamping rod and a clamping hole. One side of the female end housing is respectively connected to a flange, and the flange is connected to the side of the base through bolts.

[0009] Preferably, a ground protector joint is provided inside the female end shell between the pin rods, and another joint matching the ground protector joint is provided inside the male end inner shell, and clamping rods are provided at the upper and lower ends of the female end shell, and clamping holes matching the clamping rods are provided.

[0010] Preferably, the connecting mechanism includes a pressing plate, a spring, a rotating shaft, a boss, a limit frame, a threaded hole, and a long bolt, and a pressing plate is provided at the upper end of the male end inner shell, a spring is provided at the bottom of the pressing plate, and a through hole is provided in the middle of the pressing plate, the rotating shaft passes through the through hole and is movably connected, a boss is provided at the bottom of the pressing plate on the other side, and a limit frame is provided above the female end shell, and another boss that is engaged with the boss is provided on the rear side of the limit frame.

[0011] Preferably, threaded holes are provided on both sides of the female end housing and the male end inner housing, and long bolts are provided on the outside of the threaded holes, and the long bolts are rotatably connected to the threaded holes on both sides.

[0012] Preferably, the clamping mechanism includes a splint, a short bolt, a nut, and an externally threaded tube, and the side of the male end outer shell is connected to the nut, a through hole is provided on the top of the male end outer shell and passes through it from top to bottom, and a splint is provided inside the male end outer shell, the short bolt passes through the through holes on both sides and is connected to the splint, and a contraction clamping structure is formed by rotating the short bolt.

[0013] Preferably, the inner housing of the male end on the other side is provided with an external threaded tube, and the nut is connected to the external threaded tube through threads to form a rotational tightening structure.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. This automotive high-voltage electrical connector is connected to the female housing through an embedded pin rod and pin hole in the male housing, which increases the contact point area, optimizes the contact pressure distribution, and improves the stability and reliability of the electrical contact by improving the design and material selection of the electrical contact part.

[0016] 2. The connection mechanism is pressed on the plate boss, the threaded holes on both sides are threaded, and the clamping mechanism ensures that the mechanical connection of the connection device is firm and reliable, ensuring that stable performance can be maintained under high-load working conditions.

[0017] 3. Fuses and ground protector connectors installed in the high-voltage electrical connections of automobiles are protective components in high-voltage circuits. They are used to automatically cut off the circuit when overcurrent or short circuit occurs in the circuit to prevent equipment damage and safety accidents such as fire. At the same time, insulating materials and protective covers are used to ensure good electrical performance and safety in harsh environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural diagram of the present utility model.

[0019] Figure 2 This is a structural schematic diagram from another perspective of the present invention.

[0020] Figure 3 This is a schematic diagram of the explosion structure of the utility model.

[0021] Figure 4 This is a schematic diagram of the male end inner housing structure of the present utility model.

[0022] Numbers in the figure: 1. Base; 2. Fuse; 3. Female end housing; 4. Pin rod; 5. Contact point; 6. Male end inner housing; 7. Pin hole; 8. Fixing plate; 9. Fixing hole; 10. Flange; 11. Bolt; 12. Ground protector connector; 13. Clamping rod; 14. Clamping hole; 15. Pressing plate; 16. Spring; 17. Rotating shaft; 18. Boss; 19. Limiting frame; 20. Threaded hole; 21. Long bolt; 22. Cover plate; 23. Clamping plate; 24. Short bolt; 25. Nut; 26. Male end outer housing; 27. Externally threaded pipe. DETAILED DESCRIPTION

[0023] 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.

[0024] Reference Figure 1-Figure 4The utility model provides a technical solution: an automotive high-voltage electrical connector, comprising a base 1, a fuse 2 is provided inside the base 1, and multiple groups of female end housings 3 are provided on the outside of the base 1, a pin rod 4 is provided inside the female end housing 3, a contact point 5 is provided inside the pin rod 4, and a male end inner housing 6 is provided on the outside of the female end housing 3, the male end inner housing 6 is provided with a pin hole 7 matching the pin rod 4, and another raised contact point is provided inside the pin hole 7, another raised contact point is provided inside the pin hole 7 and matches the contact point 5 provided inside the pin rod 4, an embedded connection is provided, the contact point 5 area is increased, and the advantages are as follows: Optimize the contact pressure distribution, improve the stability and reliability of the electrical contact by improving the design and material selection of the electrical contact part, a connecting mechanism is provided on the outside of the female end shell 3 and the male end inner shell 6, and a male end outer shell 26 is provided on the other side of the male end inner shell 6, and a clamping mechanism is provided inside the male end outer shell 26, and the clamping mechanism is a shrinkable wire clamping structure. The base 1 includes a fixing plate 8 and a fixing hole 9, and fixing plates 8 are installed on both sides of the bottom of the base 1, and fixing holes 9 are respectively provided on both sides above the fixing plate 8 to ensure the stability of the connection device and avoid problems such as vehicle vibration, eccentric plugging, and metal deformation.

[0025] refer to Figure 1 , Figure 2 The female end housing 3 includes a flange 10, a bolt 11, a ground protector joint 12, a clamping rod 13 and a clamping hole 14. The flange 10 is connected to one side of the female end housing 3, and the flange 10 is connected to the side of the base 1 through the bolt 11; the female end housing 3 is provided with a ground protector joint 12 between the pin rods 4, and the male end inner housing 6 is provided with another joint matching the ground protector joint 12, and the upper and lower ends of the female end housing 3 are provided with clamping rods 13 and clamping holes 14 matching the clamping rods 13, which improve the stability of the joint connection and avoid displacement during long-term use.

[0026] refer to Figure 3 , Figure 4 The connecting mechanism includes a pressing plate 15, a spring 16, a rotating shaft 17, a boss 18, a limiting frame 19, a threaded hole 20, and a long bolt 21. A pressing plate 15 is provided at the upper end of the male end inner shell 6, and a spring 16 is provided at the bottom of the pressing plate 15. A through hole is provided in the middle of the pressing plate 15, and the rotating shaft 17 passes through the through hole for a movable connection. A boss 18 is provided at the bottom of the pressing plate 15 on the other side, and a limiting frame 19 is provided above the female end shell 3, and another boss engaged with the boss 18 is provided on the rear side of the limiting frame 19; threaded holes 20 are provided on both sides of the female end shell 3 and the male end inner shell 6, and long bolts 21 are provided on the outside of the threaded holes 20. The long bolts 21 are rotatably connected to the threaded holes 20 on both sides to ensure that the mechanical connection of the connecting device is firm and reliable, and to ensure that stable performance can be maintained under high load working conditions.

[0027] refer to Figure 3The clamping mechanism includes a clamping plate 23, a short bolt 24, a nut 25, and an externally threaded tube 27, and the side of the male end outer shell 26 is connected to the nut 25. A through hole is provided on the top of the male end outer shell 26, and a clamping plate 23 is provided inside the male end outer shell 26. The short bolt 24 passes through the through holes on both sides and is connected to the clamping plate 23. By rotating the short bolt 24, a contraction clamping structure is formed; the other side of the male end inner shell 6 is provided with an externally threaded tube 27, and the nut 25 is connected to the externally threaded tube 27 through a thread to form a rotating tightening structure, which ensures that the high-voltage line is firm and reliable and does not move.

[0028] Working Principle: When using this automotive high-voltage electrical connector, first fix the connection device in a suitable position through the fixing holes 9 of the fixing plates 8 on both sides of the base 1. Then, connect the female end housing 3 to the base 1 through the flange 10. If the female end housing 3 is not in use, it can be sealed with a cover plate 22 and long bolts 21 to prevent the surface of the high-voltage electrical connection device from being corroded and eroded in a humid and corrosive environment, resulting in a decrease in insulation performance and an increase in contact resistance. Secondly, a fuse 2 is provided inside the base 1 to prevent equipment damage and safety accidents such as fire.

[0029] During operation, first press the pressing plate 15, and the male end inner housing 6 and the female end housing 3 are limitedly embedded and connected through the clamping rod 13 and the clamping hole 14, and the pin rod 4 is inserted into the pin hole 7 to dock with the internal contact point 5, then the pressing plate 15 is loosened, and the boss 18 on one side of the pressing plate 15 is clamped with the other boss, and then the long bolts 21 are used to rotatably connect to the threaded holes 20 on both sides, ensuring that the mechanical connection of the connecting device is firm and reliable, ensuring that stable performance can be maintained under high-load working conditions, otherwise the male end inner housing 6 and the female end housing 3 can be disassembled;

[0030] Secondly, a clamping plate 23 is provided inside the male end outer shell 26. By rotating the short bolt 24, the clamping plate 23 is made to form a contraction clamping structure to clamp the high-voltage wire. Then, the high-voltage wire is connected to the interface of the male end inner shell 6 through the threaded rotation tightening structure of the nut 25 and the external threaded tube 27 to ensure that the mechanical connection of the connecting device is firm and reliable.

[0031] The above are only preferred specific implementation methods of the present invention, but the protection scope of the present invention is not limited to them. Any technician familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the protection scope of the present invention.

Claims

1. An automotive high-voltage electrical connector, comprising a base (1), characterized in that: A fuse (2) is provided inside the base (1), and multiple groups of female end shells (3) are provided on the outside of the base (1), a pin rod (4) is provided inside the female end shell (3), a contact point (5) is provided inside the pin rod (4), and a male end inner shell (6) is provided on the outside of the female end shell (3), the male end inner shell (6) is provided with a pin hole (7) matching the pin rod (4), and another protruding contact point is provided inside the pin hole (7), and another protruding contact point is provided inside the pin hole (7) matching the contact point (5) provided inside the pin rod (4), a connecting mechanism is provided on the outside of the female end shell (3) and the male end inner shell (6), and a male end outer shell (26) is provided on the other side of the male end inner shell (6), and a clamping mechanism is provided inside the male end outer shell (26), and the clamping mechanism is a contractible wire clamping structure.

2. The automotive high-voltage electrical connector according to claim 1, characterized in that: The base (1) comprises a fixing plate (8) and a fixing hole (9), and the fixing plates (8) are installed on both sides of the bottom of the base (1), and the fixing holes (9) are respectively provided on both sides above the fixing plate (8).

3. The automotive high-voltage electrical connector according to claim 1, characterized in that: The female end housing (3) comprises a flange (10), a bolt (11), a ground protector joint (12), a clamping rod (13) and a clamping hole (14); one side of the female end housing (3) is respectively connected to the flange (10), and the flange (10) is connected to the side of the base (1) through the bolt (11).

4. The automotive high-voltage electrical connector according to claim 3, characterized in that: A grounding protector connector (12) is provided inside the female end housing (3) between the pin rods (4), and another connector matching the grounding protector connector (12) is provided inside the male end inner housing (6), and a clamping rod (13) is provided at the upper and lower ends inside the female end housing (3), and a clamping hole (14) matching the clamping rod (13) is provided.

5. The automotive high-voltage electrical connector according to claim 1, characterized in that: The connecting mechanism includes a pressing plate (15), a spring (16), a rotating shaft (17), a boss (18), a limiting frame (19), a threaded hole (20), and a long bolt (21), and a pressing plate (15) is provided at the upper end of the male end inner shell (6), a spring (16) is provided at the bottom of the pressing plate (15), and a through hole is provided in the middle of the pressing plate (15), and the rotating shaft (17) passes through the through hole to be movably connected, and a boss (18) is provided at the bottom of the pressing plate (15) on the other side, and a limiting frame (19) is provided above the female end shell (3), and another boss is provided on the rear side of the limiting frame (19) to be engaged with the boss (18).

6. The automotive high-voltage electrical connector according to claim 5, characterized in that: Threaded holes (20) are provided on both sides of the female end housing (3) and the male end inner housing (6), and long bolts (21) are provided on the outside of the threaded holes (20). The long bolts (21) are rotatably connected to the threaded holes (20) on both sides, and a cover plate (22) can be installed on the outside of the female end housing (3).

7. The automotive high-voltage electrical connector according to claim 1, characterized in that: The clamping mechanism includes a clamping plate (23), a short bolt (24), a nut (25), and an external threaded tube (27), and the side of the male end outer shell (26) is connected to the nut (25), and a through hole is provided on the top of the male end outer shell (26) and runs through the upper and lower parts, and a clamping plate (23) is provided inside the male end outer shell (26), and the short bolt (24) passes through the through holes on both sides and is connected to the clamping plate (23), and a contraction clamping structure is formed by rotating the short bolt (24).

8. The automotive high-voltage electrical connector according to claim 7, characterized in that: The male end inner housing (6) on the other side is provided with an external threaded tube (27), and the nut (25) is connected to the external threaded tube (27) via threads to form a rotational tightening structure.

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