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A simple split assembly bolt fastener

A bolt fastener and assembly technology, applied in the direction of threaded fasteners, screws, connecting components, etc., can solve the problems of difficult on-site installation and poor fastening effect, eliminate hidden dangers, and facilitate batch processing and manufacturing , The effect of simple assembly operation

Active Publication Date: 2017-12-22
SOUTHEAST UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The problem to be solved by the present invention is to provide a simple split-assembled bolt fastener to solve the problems of poor fastening effect and difficult on-site installation in the prior art

Method used

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  • A simple split assembly bolt fastener
  • A simple split assembly bolt fastener
  • A simple split assembly bolt fastener

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Embodiment 1

[0058] Such as Figure 1A-6BAs shown, the simple split assembly bolt fastener described in the present invention includes an inner screw rod 1, an outer sleeve 2, an inner sleeve 3, a fan-shaped support assembly 4, a small nut 5 and a large nut 6; wherein the outer sleeve 2 and the inner sleeve 3 are sequentially set outside the inner screw 1 and the inner screw 1, the outer sleeve 2 and the inner sleeve 3 are coaxial.

[0059] One end of the internal screw 1 is provided with a support head 1a, the other end is provided with a thread, and the middle section is a polished rod; the support head 1a of the internal screw 1 is provided with the axial direction of the internal screw 1 as the center, and at intervals of 120°, 3 evenly distributed fittings groove 1b, and an annular matching groove 1c centered on the axial direction of the internal screw 1.

[0060] Among them, such as Figure 3B As shown, the shape of the matching groove 1b is surrounded by two straight lines and tw...

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Abstract

The invention discloses a simple and split assembling type bolt fastening piece. The simple and split assembling type bolt fastening piece comprises an inner screw, an outer sleeve, an inner sleeve, a fan-shaped supporting assembly, a small nut and a large nut; the inner screw is sequentially sleeved with the outer sleeve and the inner sleeve, and the inner screw, the outer sleeve and the inner sleeve are coaxial; and the small nut is installed on a threaded part of the inner screw, and the large nut is installed on a threaded part of the outer sleeve. Compared with the prior art, a bolt only needs to be installed on one side, and unilateral operation of the bolt is achieved. After the fan-shaped supporting assembly is unfolded, the contact face of the fan-shaped supporting assembly and an installation component is perpendicular and is annularly arranged, the contact area is larger, pulling is not prone to achievement under the effect of loads, and the fastening effect is good; and meanwhile, all components of the simple and split assembling type bolt fastening piece are simple in line, batch machining and producing are facilitated, assembling operation is simple, and the simple and split assembling type bolt fastening piece meets a current industrialization trend.

Description

technical field [0001] The invention belongs to the technical field of civil engineering and mechanical assembly, and in particular relates to a simple split assembly type bolt fastener. Background technique [0002] At present, in the field of civil engineering and mechanical installation, there is a large demand for the installation of connection and fastening of structural components. Common common bolt fasteners are mainly composed of bolts and screw rods. When connecting and fastening components, workers need to work on both sides of the component at the same time, that is, insert a bolt with a nut on one side, and then tighten the nut with a wrench or other tools on the other side. This connection and fastening method is easy to operate and has high bearing capacity, but it is only suitable for open section members. In some special occasions, such as connecting and fastening closed-section components or components that are inconvenient to operate on the other side, t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B13/04F16B35/04
CPCF16B13/04F16B35/04
Inventor 郑宏伟
Owner SOUTHEAST UNIV
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