Automobile locknut and machining process thereof

Abstract

The invention discloses an automobile locknut and a machining process thereof. The automobile locknut has the advantages of being good in anti-loosening effect and easy to disassemble, the machining process is efficient and environmentally friendly, the needed performance requirement can be met, the automobile locknut is characterized by comprising an inner-layer nut body and an outer-layer nut body, a first inner threaded hole is formed in the center of the inner-layer nut body, the inner-layer nut body is cylindrical, a cavity is formed in one end of the outer-layer nut body, the inner-layernut body is installed in the cavity, a second inner threaded hole is formed in the other end of the outer-layer nut body, the inner diameter of the first inner threaded hole is the same as that of the second inner threaded hole, and a clearance compensation assembly is further arranged in the cavity and comprises a metal shell and an expansion rubber. The automobile locknut is applicable to the technical field of nuts.

Description

technical field [0001] The invention belongs to the technical field of nuts, in particular to an automobile anti-loosening nut and its processing technology. Background technique [0002] Automobile anti-loosening nuts are common fasteners in automobiles. In order to avoid the phenomenon of loosening and fastening failure of screws and nuts during use, the industry has made a lot of improvements to the anti-loosening functions of screws and nuts; traditional anti-loosening There are two types of anti-loosening measures for nuts, one is the use of auxiliary washers, such as spring washers, anti-loosening washers, etc., the effect of this method is not obvious, especially in severe vibration conditions, the anti-loosening is not reliable; the other is Endowing the nut with its own anti-loosening function, a variety of anti-loosening nuts have emerged. In summary, these anti-loosening nuts use two methods to enhance the anti-loosening ability. One is to change the structure of ...

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Problems solved by technology

[0002] Automobile anti-loosening nuts are common fasteners in automobiles. In order to avoid the phenomenon of loosening and fastening failure of screws and nuts during use, the industry has made a lot of improvements to the anti-loosening functions of screws and nuts; traditional anti-loosening There are two types of anti-loosening measures for nuts, one is the use of auxiliary washers, such as spring washers, anti-loosening washers, etc., the effect of this method is not obvious, especially in severe vibration conditions, the anti-loosening is not reliable; the other is Endowing the nut with its own anti-loosening function, a variety of anti-loosening nuts have emerged. In summary, these anti-loosening nuts use two methods to enhance the anti-loosening ability. One is to change the structure of the nut, and the other is to change the nut. Thread profile; Although the anti-loosening ability of these anti-loosening nuts has been enhanced, the effect is not obvious enough, and some anti-loosening nuts play an anti-loosening effect by destroying the thread profile after tightening. Although the anti-loosening effect is good, it is difficult Disassembly; therefore, this design improves the disadvantages of the existing locknuts, and adopts new technology and corresponding equipment, so that the locknuts can meet the required performance requirements, and the processing technology is efficient and environmentally friendly

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