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A transitional grounding fixture

A fixed and transitional technology, applied in the direction of connection, electrical components, conductive connection, etc., can solve the problem of narrow application range of copper-aluminum grounding posts, and achieve the effect of wide application range

Active Publication Date: 2021-01-08
ZHENGZHOU YUTONG HEAVY IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a transitional grounding fixture to solve the technical problem in the prior art that the applicable range of copper-aluminum grounding posts is narrow

Method used

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  • A transitional grounding fixture
  • A transitional grounding fixture
  • A transitional grounding fixture

Examples

Experimental program
Comparison scheme
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specific Embodiment 1

[0034] like Figure 1 to Figure 3 As shown, the transitional grounding fixture 100 includes an aluminum post 11 and a copper post 12 , and the aluminum post 11 and the copper post 12 are cylinders with equal cross-sections. During manufacture, the aluminum column 11 and the copper column 12 are coaxially arranged, and then friction welding is performed to weld the adjacent end faces of the aluminum column 11 and the copper column 12 together, figure 1 A weld 13 between an aluminum post 11 and a copper post 12 is shown. Since the aluminum column 11 and the copper column 12 are connected by welding, there is no other medium between them, and electrochemical corrosion reaction is not easy to occur.

[0035] figure 1 As shown, a threaded through hole 14 is opened in the transitional grounding fixture 100, and the threaded through hole 14 passes through the aluminum column 11 and the copper column 12 along the axial direction of the transitional grounding fixture 100, and the thr...

specific Embodiment 2

[0046] In this embodiment, the threaded holes on the two conductors have the same diameter and are coaxially arranged, but the threads of the two conductors are discontinuous. During processing, a through hole is provided on the transitional grounding fixture, and each conductor is separately processed when processing the threads. processing.

specific Embodiment 3

[0048] The difference from Embodiment 1 is that in Embodiment 1, the transitional grounding fixture is connected to the vehicle body by means of both end faces. In this embodiment, when connecting the transitional grounding fixture to the vehicle body, use Threaded fasteners such as bolts and screws are penetrated into the threaded connection structure to connect the transitional grounding fixture to the vehicle body. The role of the fasteners attached to the vehicle body.

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Abstract

The invention relates to a transition type grounding fixing piece. The transition type grounding fixing piece comprises a first conductor and a second conductor; one of the first conductor and the second conductor is an aluminum conductor; the activity of the other one of the first conductor and the second conductor is weaker than that of the aluminum conductor; the two conductors are fixedly combined together; the two conductors are respectively provided with threaded connection structures; and the threaded connection structures can be matched with threaded fasteners to press wiring terminalson the corresponding conductors and can also be used for fixedly installing the transition type grounding fixing piece on a vehicle body; and the two conductors can be provided with threaded connection structures and further provided with vehicle body connection parts independent of the corresponding threaded connection structures, wherein the vehicle body connection parts are used for fixedly installing the transition type grounding fixing piece on the vehicle body. Each conductor can be connected with the vehicle body and the wiring terminal, so that an electrochemical corrosion reaction between aluminum and other materials is avoided with mechanical connection ensured, and the application range of the transition type grounding fixing piece is wider.

Description

technical field [0001] The invention relates to a transitional grounding fixture. Background technique [0002] In the automotive electrical system, usually only one wire is used to connect the power supply to the electrical equipment, and the negative pole of the power supply and the negative pole of the electrical equipment are connected to the vehicle body, and the vehicle body is used as a part of the circuit. The terminals are bolted directly to the vehicle body. However, there are some disadvantages in use: when the car body is made of aluminum and the terminals are made of copper; The connection part is exposed to the air, and it is easy to have a relatively obvious electrochemical corrosion reaction between the terminal and the car body, resulting in an increase in the resistance of the connection part, an increase in the heat generation of the contact part, and affecting the grounding effect. [0003] The Chinese utility model patent with the authorized announceme...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01R4/64H01R4/62H01R4/30H01R11/01H01R11/05H01R11/09
CPCH01R4/30H01R4/62H01R4/625H01R4/64H01R11/01H01R11/05H01R11/09
Inventor 关进良王亚辉金鑫杨丰密李远李杰余方正
Owner ZHENGZHOU YUTONG HEAVY IND
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