Bolt

A technology of bolts and shallow threads, applied in the field of mechanical parts, can solve the problems of easy loosening, high price, and unsuitable for secondary fastening, etc., and achieve the effect of improving fastening performance, good anti-theft effect, and stable locking

CN108916190AActive Publication Date: 2018-11-30苏州永基精密五金制品有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2018-11-30

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Abstract

The invention relates to a bolt, which comprises a bolt body. The bolt body has an end cap, the end cap is internally provided with concave threads which is served as a tightening pattern, the tightening pattern is of a double-layer inner polygonal structure which is arranged in an embedded manner, and comprises an upper-layer shallow stripe and a lower-layer deep stripe, wherein the upper-layer shallow stripe is a polygonal shallow stripe, and the lower-layer deep stripe is a polygonal deep stripe which is embedded in the middle of the upper-layer shallow stripe. The bolt can play a part in prevention of burglary and anti-loosening, the adopted tightening pattern is different from a traditional special-shaped structure in design, the structure is simple and convenient to process, the practicability is high, in addition, the elastic support end of the bolt can achieve the purpose of anti-loosening and simultaneously plays a part in improving the fastening performance of the bolt.
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Description

Technical field

[0001] The invention relates to the technical field of mechanical parts, in particular to a mechanical fastener, in particular to a bolt. Background technique

[0002] The bolts, nuts, and tools used in the iron towers, metal structures, and executive guardrails currently set up in the field are all common types, making the towers, transformers, guardrails, and important facilities easily stolen and unloaded. Even if there are special anti-theft facilities, the price High, unsuitable for secondary tightening, easy loosening and other reasons affect popularization. Summary of the invention

[0003] The purpose of the present invention is to provide a bolt, which can achieve the purpose of preventing theft and loosening, and the adopted tightening pattern is different from the traditional special-shaped structure design, the structure is simple and easy to process, and the practicability is high.

[0004] Further, the elastic supporting end of the present invention ca...

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Embodiment Construction

[0023] The technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the pointed device or element must have a specific orientation or a ...