Anti-slip screw

A technology of screws and screw caps, applied in the field of hardware components, can solve problems such as complexity and reduce work efficiency, and achieve the effect of anti-slip preload and increase preload

Inactive Publication Date: 2015-04-22
CHANGZHOU JINHAIJI MACHINERY MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But this method is not only complicated, but also reduces work efficiency

Method used

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  • Anti-slip screw

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An anti-skid screw, comprising a screw cap 1 and a screw rod 2; a tapered transition section 3 is set between the screw cap 1 and the screw rod 2; the screw rod is in the shape of a cylinder; the tapered transition section 3 is in the shape of a truncated cone, The larger bottom surface of the truncated cone is connected to the screw cap 1, and the smaller bottom surface of the truncated cone is connected to the screw 2; the conical transition section is provided with a rib 4, and the rib is formed by the The surface of the tapered transition section is convexly formed.

[0018] The screw cap 1 is circular, and the radius of the screw cap is greater than the radius of the cross section of the screw. The radius of the larger bottom surface of the tapered transition section 3 is smaller than the radius of the screw cap 1 and greater than the cross-sectional radius of the screw 2; the smaller bottom surface radius of the tapered transition section 2 is equal to the radius ...

Embodiment 2

[0020] This embodiment is basically the same as Embodiment 1, the only difference being that the protrusion height of the rib 4 remains unchanged from the small end to the large end of the tapered transition section 3 .

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PUM

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Abstract

The invention discloses an anti-slip screw which comprises a screw cap (1) and a screw bolt (2), wherein a tapered transition segment (3) is arranged between the screw cap (1) and the screw bolt (2); the screw bolt is cylindrical; the tapered transition segment (3) is shaped like a frustum; the bigger bottom surface of the frustum is connected with the screw cap (1); the smaller bottom surface of the frustum is connected with the screw bolt (2); raised lines (4) are arranged on the tapered transition segment; and the raised lines are formed by bulges on the surface of the tapered transition segment. The anti-slip screw provided by the invention is provided with the tapered transition segment and the raised lines, and thus can achieve the effects of preventing slip and increasing a pre-tightening force.

Description

technical field [0001] The invention belongs to the field of hardware parts, in particular, the invention relates to an anti-skid screw. Background technique [0002] Screws are one of the commonly used connectors, and their main function is to fasten the two connected parts. When the existing screws are connected to the connected parts, it is usually necessary to use washers to prevent slipping. But this way is not only complicated, but also reduces work efficiency. Contents of the invention [0003] Aiming at the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide an anti-slip screw. The screw cap of the present invention is provided with a tapered transition section and has a convex rib structure, which can realize the effects of anti-slip and increased pre-tightening force. [0004] The present invention solves above-mentioned technical problem and realizes by following technical scheme: [0005] An anti-skid sc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/06
CPCF16B35/06
Inventor 时雪琴
Owner CHANGZHOU JINHAIJI MACHINERY MFG
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