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Anti-loosing screw assembly

A screw assembly and anti-loosening technology, which is applied in the direction of screws, threaded fasteners, nuts, etc., can solve the problems of affecting the fastening effect, screw loosening, falling off, etc., and achieve the effect of improving stability

Pending Publication Date: 2021-09-07
海盐南方标准件有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In the process of fixing the connecting parts, the screws will be in a shaking or vibrating environment in many cases. In this case, the screws are likely to loosen and may fall off, affecting the fastening effect

Method used

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  • Anti-loosing screw assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0019] combine Figure 1 to Figure 3 The anti-loosening screw assembly of the present invention will be further described.

[0020] An anti-loosening screw assembly, including a screw 1 and a nut 2, is characterized in that it also includes a positioning pin 4 and a driving rod 5. The screw 1 has a first mounting hole 11 extending in the axial direction and a second mounting hole 12 extending in the radial direction, and the first mounting hole 11 communicates with the second mounting hole 12 . The drive rod 5 is rotatably installed in the first mounting hole 11 in the circumferential direction, and has a guide groove 51 extending along the circumferential direction of the drive shaft on the side wall of the drive rod 5 , one end 512 of the guide groove 51 is far from the center of the drive rod 5 The distance from the other end 513 to the center of the drive rod 5 gradually increases. The positioning pin 4 can move axially and fit in the second mounting hole 12, and the low...

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PUM

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Abstract

The invention discloses an anti-loosing screw assembly. The anti-loosing screw assembly comprises a screw and a nut, and is characterized by further comprising a positioning pin and a driving rod; a first installation hole extending in the axial direction and a second installation hole extending in the radial direction are formed in the screw, and the first installation hole communicates with the second installation hole 12; the driving rod is rotatably installed in the first installation hole in the circumferential direction, a guide groove extending in the circumferential direction of a driving shaft is formed in the side wall of the driving rod, the positioning pin can movably match the interior of the second installation hole in the axial direction, the lower end of the positioning pin matches the interior of the guide groove, and the driving rod can drive the upper end of the positioning pin to enter and exit from the second installation hole after rotating; and the hole wall of the nut is provided with a positioning groove into which the upper end of the positioning pin moving upwards is inserted. The anti-loosing screw assembly has an anti-loosing effect, so that the stable anti-loosing effect is achieved.

Description

technical field [0001] The invention relates to the technical field of fasteners, in particular to an anti-loosening screw assembly. Background technique [0002] Screws are widely used as fasteners in the mechanical field. In the process of fixing the connecting parts, the screw will be in a shaking or vibrating environment in many cases. In this case, the screw is likely to loosen, and then may fall off, affecting the fastening effect. Therefore, there is an urgent need for a screw with a loosening function on the existing market. Contents of the invention [0003] Aiming at the deficiencies of the prior art, the present invention provides an anti-loosening screw assembly, which has an anti-loosening effect during the fastening process, so as to achieve a stable anti-loosening effect. [0004] To achieve the above object, the present invention provides the following technical solutions: [0005] An anti-loosening screw assembly, including a screw and a nut, is charact...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/04F16B35/00
CPCF16B39/04F16B35/00
Inventor 吴雯婷
Owner 海盐南方标准件有限公司