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Elastic locking component, anti-loosening nut and anti-loosening bolt nut fastener

A technology of anti-loosening nuts and elastic locks, which is applied in the direction of locking fasteners, threaded fasteners, nuts, etc., can solve the problems of inconvenient disassembly and assembly of anti-loosening structures, reduce engineering safety, and reduce the strength of fasteners. Achieve the effects of prolonging the effective clamping time, improving engineering safety and reducing workload

Pending Publication Date: 2018-06-29
盐城市盐都区欧力达贸易有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the prior art, commonly used anti-loosening methods include frictional anti-loosening, mechanical anti-loosening and permanent anti-loosening, etc. These anti-loosening structures are inconvenient to disassemble, and correspondingly, the processing procedures are cumbersome and the cost is high; in addition, in the prior art , it is often necessary to obtain fasteners with slotted holes on the base or bolt and nut kits, which will reduce the strength of the fasteners and reduce the safety of the project

Method used

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  • Elastic locking component, anti-loosening nut and anti-loosening bolt nut fastener
  • Elastic locking component, anti-loosening nut and anti-loosening bolt nut fastener
  • Elastic locking component, anti-loosening nut and anti-loosening bolt nut fastener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0070] figure 2 It is a schematic diagram showing the connection structure of the nut and the elastic locking component of the first embodiment of the locknut provided by the present invention.

[0071] Such as figure 2 As shown, the locknut is used for assembling with the bolt, and it has a hexagonal nut as the nut 1 and an elastic locking part 2 .

[0072] Wherein, the elastic locking component 2 includes an inner spring 21 and an outer spring 22 sleeved on the outside of the inner spring 21 .

[0073] The axis of the inner spring 21 and the axis of the outer spring 22 are the same axis, and along the direction in which the same axis extends, the end of one end of the outer spring 22 is connected with the end of the same end of the inner spring 21 through the inner spring connection part 23, and the outer spring 22 The direction of rotation is opposite to that of the inner spring 21.

[0074] The other end of the outer spring 22 is connected to the nut 1 , and the inner...

Embodiment 2

[0079] image 3 It is a schematic diagram showing the connection structure of the nut and the elastic locking component of the second embodiment of the locknut provided by the present invention.

[0080] Such as image 3 As shown, the locknut is used for assembling with the bolt, and it has a hexagonal nut as the nut 1 and an elastic locking part 2 .

[0081] Wherein, the elastic locking component 2 includes an inner spring 21 and an outer spring 22 sleeved on the outside of the inner spring 21 .

[0082] The axis of the inner spring 21 and the axis of the outer spring 22 are the same axis, and along the direction in which the same axis extends, the end of one end of the outer spring 22 is connected with the end of the same end of the inner spring 21 through the inner spring connection part 23, and the outer spring 22 The direction of rotation is opposite to that of the inner spring 21.

[0083] The other end of the outer spring 22 is connected to the nut 1 , and the inner ...

Embodiment 3

[0088] Figure 4 It is a structural schematic diagram showing the elastic locking part of the third embodiment of the locknut provided by the present invention.

[0089] Such as Figure 4 As shown, compared with the second embodiment, the structure of "further, the end of the other end of the inner spring 21 forms an inner spring toggle 24 bent toward the outside of the inner spring 21" in the second embodiment. change into:

[0090] Further, the end of the other end of the inner spring 21 extends along the tangential direction of the inner spring 21 .

[0091] Other structures are the same as those of the second embodiment.

[0092] Locknut embodiment four

[0093] Figure 5 It is a schematic diagram showing the connection structure of the nut and the elastic locking component of the fourth embodiment of the locknut provided by the present invention.

[0094] Such as Figure 5 As shown, the locknut is used for assembling with the bolt, and it has a hexagonal nut as the n...

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Abstract

The invention relates to an elastic locking component, an anti-loosening nut and an anti-loosening bolt nut fastener. The elastic locking component comprises an inner spring and an outer spring arranged on the outer portion of the inner spring in a sleeving manner. One end of the outer spring is connected with the same end of the inner spring through an inner and outer spring connecting portion. The turning direction of the outer spring is opposite to that of the inner spring. The anti-loosening nut is used for being assembled with a bolt and is provided with a nut body and the elastic lockingcomponent. The other end of the outer spring is connected with the nut body, and the inner spring can be pressed on and wound around a thread of the bolt. The anti-loosening bolt nut fastener is provided with a pre-tightening sleeve and the above anti-loosening nut. The structure is simple, and the locking performance is good; only the nut body is modified, and the bolt or a fastening workpiece does not need to be modified; and it can be guaranteed that the fastener has good work intensity, and engineering safety can be guaranteed.

Description

technical field [0001] The invention relates to the field of mechanical fasteners, in particular to an elastic locking component, a lock nut and a lock bolt and nut fastener. Background technique [0002] At present, all walks of life are using more and more fasteners. For some fasteners that have been exposed to shock, vibration, and variable loads for a long time, the anti-loosening of nuts is particularly important. In the prior art, commonly used anti-loosening methods include frictional anti-loosening, mechanical anti-loosening and permanent anti-loosening, etc. These anti-loosening structures are inconvenient to disassemble, and correspondingly, the processing procedures are cumbersome and the cost is high; in addition, in the prior art , It is often necessary to obtain fasteners with slotted holes on the base or bolt and nut kits, which will reduce the strength of the fasteners and reduce the safety of the project. Contents of the invention [0003] The present inv...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/22
CPCF16B39/22
Inventor 杨海伟
Owner 盐城市盐都区欧力达贸易有限公司
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