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Hinge type deformation shrinkage self-resetting unilateral bolt fastener and mounting tool

A technology of unilateral bolts and installation tools, used in hand-held tools, manufacturing tools, wrenches, etc., can solve the problems of low overall installation efficiency and inconvenient installation, and achieve fast, accurate and stable installation, stable rotation, and good anti-dislocation. Effect

Active Publication Date: 2020-04-24
TONGJI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the split gasket in this split nested unilateral bolt fastener needs to be guided by the support rod, which is very inconvenient for installation.
The Chinese patent whose patent authorization number is CN104690684A authorizes a kind of installation tool used in conjunction with the above-mentioned split nested unilateral bolt fastener, although the rapid installation of the split nested unilateral bolt fastener has been realized, but The tool still has some flaws and the overall installation is inefficient

Method used

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  • Hinge type deformation shrinkage self-resetting unilateral bolt fastener and mounting tool
  • Hinge type deformation shrinkage self-resetting unilateral bolt fastener and mounting tool
  • Hinge type deformation shrinkage self-resetting unilateral bolt fastener and mounting tool

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Embodiment

[0035] Such as figure 1 As shown, the present invention proposes a hinged deformation and contraction self-recovering unilateral bolt fastener and installation tool. The unilateral bolt fastener includes a high-strength bolt connection pair 1 and a split gasket 2, wherein the high-strength bolt connection pair 1 includes a round-head bolt 1a and is sequentially sleeved on the round-head bolt 1a along the axial direction of the round-head bolt 1a The sleeve 1b, the washer 1c and the nut 1d; the split gasket 2 includes the first gasket unit 2a, the second gasket unit 2b which are connected end to end in the circumferential direction to form a ring, and the first gasket unit 2b which is sleeved on the first gasket unit body 2a and the rubber ring 2c on the outside of the second gasket unit 2b. The installation tool 3 includes a thimble 3a, a top sleeve 3b, an operating rod 3c and a handle 3d.

[0036] As shown in Figure (2a) and Figure (2b), the split gasket 2 includes two firs...

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Abstract

The invention relates to a hinge type deformation shrinkage self-resetting unilateral bolt fastener and a mounting tool. The unilateral bolt fastener penetrates through a connecting piece installationhole from one side of a connecting piece, so that fastening connection operation is completed. The unilateral bolt fastener comprises a round-head bolt, a split type gasket, a sleeve, a washer and anut, wherein the split type gasket, the sleeve, the washer and the nut sequentially sleeve the round-head bolt in the axial direction of the round-head bolt; the split type gasket comprises first gasket single bodies, second gasket single bodies and a rubber ring, wherein the first gasket single bodies and the second gasket single bodies are connected end to end to form a ring-shaped structure, and the rubber ring surrounds the outer edge of the ring-shaped structure; the first gasket single bodies and the second gasket single bodies are sequentially arranged alternately in a circumferential direction; the outer periphery of each first gasket single body is connected with the outer periphery of one end of one adjacent second gasket single body through a first hinge, and the inner peripheryof the other end of each first gasket single body is connected with the inner periphery of one end of another adjacent second gasket single body through a second hinge,. Compared with the prior art,the hinge type deformation shrinkage self-resetting unilateral bolt fastener has the advantages of rapidness in installation, detachability and the like.

Description

technical field [0001] The invention relates to the technical fields of civil engineering and mechanical assembly, in particular to a hinge-type deformation-shrinkage self-recovering unilateral bolt fastener and an installation tool. 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 parts. As far as bolts are commonly used at present, when performing connection and fastening operations on 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 use a tool to tighten the nut on the other side . This connection and fastening method has simple structure, convenient operation and good load bearing, but it is only suitable for open cross-section components. In some special occasions, such as connecting and fastening closed cross-section components or component...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B25B27/14B25B13/48
CPCB25B13/48B25B27/14
Inventor 简小刚马千里唐金垚
Owner TONGJI UNIV
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