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Butterfly-shaped bolt

A butterfly bolt and butterfly technology, applied in the direction of bolts, screws, nuts, etc., can solve the problems that affect the service life of bolts, the butterfly bolt head is easily damaged, and unfavorable for production safety. It achieves multiple functions, is not easy to loosen, and is not easy to slip Effect

Pending Publication Date: 2018-04-06
嘉兴新亚科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The butterfly bolt is a kind of bolt used for mechanical fastening. It has butterfly wings and can be rotated manually. It is widely used. However, after a period of use, the butterfly bolt is rusted and it is not easy to break it by hand. The existing butterfly bolt Most of the butterfly wings are smooth structures. When using tools to turn the nuts, the tools are easy to slip off and difficult to operate. In addition, due to the limitation of machining accuracy, the butterfly bolt heads of butterfly bolts are easily damaged, which affects the service life of the bolts. In severe cases, it even causes mechanical damage. Faults are not conducive to production safety and affect production efficiency

Method used

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  • Butterfly-shaped bolt

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Embodiment Construction

[0015] refer to figure 1 , a butterfly bolt of the present invention, comprising a screw rod 1, a positioning base 2 and a butterfly bolt head 3, the positioning base 2 and the butterfly bolt head 3 are compatible with the screw rod 1, and the positioning base 2 is installed on the screw rod 1 Above, the butterfly bolt head 3 is installed above the positioning base 2, the screw rod 1 includes a first connecting section 11 and a second connecting section 12, and the first connecting section 11 and the second connecting section 12 are integrated structure, the outer wall of the first connecting section 11 is provided with a first external thread 111, the outer wall of the second connecting section 12 is provided with a second external thread 121, and the positioning base 2 is provided with a second through hole 21, the inner wall of the second through hole 21 is provided with a second internal thread 211, the side wall of the positioning base 2 is symmetrically provided with a s...

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PUM

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Abstract

The invention discloses a butterfly-shaped bolt. The butterfly-shaped bolt comprises a screw rod, a positioning base and a butterfly-shaped bolt head. The positioning base and the butterfly-shaped bolt head are matched with the screw rod, the positioning base is mounted on the screw rod, and the butterfly-shaped bolt head is mounted above the positioning base. The screw rod comprises a first connecting section and a second connecting section, the outer wall of the first connecting section is provided with a first outer thread, and the outer wall of the second connecting section is provided with a second outer thread. A second through hole is formed in the positioning base, and the inner wall of the second through hole is provided with a second inner thread. The butterfly-shaped bolt head comprises a butterfly-shaped bolt head body and a plurality of butterfly wings, the middle of the butterfly-shaped bolt head body is provided with a first through hole, the inner wall of the first through hole is provided with a first inner thread, and the surfaces of the butterfly wings are provided with non-slip grains. The butterfly-shaped bolt is simple in structure, convenient to mount and dismount and good in fastening effect, the practicability of the bolt is improved while the overall strength of the bolt is guaranteed, and the service life of the bolt is prolonged.

Description

【Technical field】 [0001] The invention relates to the technical field of mechanical parts, in particular to the technical field of butterfly bolts. 【Background technique】 [0002] The butterfly bolt is a kind of bolt for mechanical fastening. It has butterfly wings and can be rotated manually. It is widely used. However, after a period of use, the butterfly bolt is rusted and it is not easy to break it by hand. The existing butterfly bolt Most of the butterfly wings are smooth structures. When using tools to turn the nuts, the tools are easy to slip off and difficult to operate. In addition, due to the limitation of machining accuracy, the butterfly bolt heads of the butterfly bolts are easily damaged, which affects the service life of the bolts, and even causes mechanical damage in severe cases. Faults are not conducive to production safety and affect production efficiency. 【Content of invention】 [0003] The purpose of the present invention is to solve the problems in t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/00F16B39/282
CPCF16B35/00F16B39/282
Inventor 张雅君
Owner 嘉兴新亚科技股份有限公司