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Easily-screwed screw

A kind of tightening and screw technology, applied in the direction of screws, bolts, threaded fasteners, etc., can solve the problem of inability to tighten the screws and affect the work.

Inactive Publication Date: 2013-11-27
苏州市吴中区光福锦程机械厂
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Existing screws usually include a screw head and a screw rod; the screw head is flat; the screw rod is arranged on the screw head, and the screw rod is provided with threads; the outer wall of the screw head is provided with There are cross recesses or hexagonal countersunk holes; when using the screws of this structure, special tools must be used, which makes it impossible to tighten the screws if there is no special tool temporarily and the screws must be tightened, which will affect the work; For this reason, we have developed a convenient and loose screw that can be easily tightened without tools

Method used

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  • Easily-screwed screw

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Embodiment Construction

[0013] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0014] attached figure 1 A convenient loosening screw according to the present invention comprises a screw head 1 and a screw rod 2; the screw head 1 is flat; the screw rod 2 is arranged on the screw head 1, and the The screw rod 2 is provided with threads; the outer wall of the screw head 1 is provided with a protrusion 3; the protrusion 3 is provided with a cross groove or an inner hexagonal counterbore; the protrusion 3 is quadrilateral.

[0015] Of course, the protrusion 3 can also be in the shape of a triangle or an N-gon, and N is greater than or equal to 5; the protrusion can be conveniently held by hand to tighten the screw.

[0016] Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

[0017] In the convenient and loose screw accor...

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Abstract

The invention discloses an easily-screwed screw. The easily-screwed screw comprises a screw head and a screw rod. The screw head is in a flat shape; the screw rod is arranged on the screw head and provided with threads; the outer side wall of the screw head is provided with a protrusion, and the protrusion is provided with a cross recess or a hexagonal counter sink and is in a square shape. According to the easily-screwed screw, the protrusion is arranged on the outer side wall of the screw head and provided with the cross recess or the hexagonal counter sink, which supports special tools, and the protrusion can help a user to tighten the screw conveniently by hand, therefore, the easily-screwed screw can ensure the usage of the original special tools and meanwhile can be easily screwed up without the special tools.

Description

technical field [0001] The invention relates to an improvement of a screw, in particular to a convenient loosening screw which can be easily tightened without tools. Background technique [0002] Existing screws usually include a screw head and a screw rod; the screw head is flat; the screw rod is arranged on the screw head, and the screw rod is provided with threads; the outer wall of the screw head is provided with There are cross grooves or hexagonal countersunk holes; when using the screws of this structure, special tools must be used, which makes it impossible to tighten the screws if there is no special tool temporarily and the screws must be tightened, which will affect the work; For this reason, we have developed a convenient loosening screw that can be easily tightened without tools. Contents of the invention [0003] The object of the present invention is to provide a convenient loosening screw which can be easily tightened without tools in order to overcome the...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/06F16B23/00
Inventor 徐劼琪
Owner 苏州市吴中区光福锦程机械厂
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