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One-side fastening bolt

A technique of unilaterally tightening bolts and screws. It is applied to connecting components, pins, mechanical equipment, etc. It can solve problems such as restrictions and achieve the effect of avoiding weakening of openings, ensuring integrity, and convenient and quick installation.

Pending Publication Date: 2020-11-13
CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP +1
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this invention can realize the function of one-way fastening, it is limited in some cases because it is not easy to touch and the height of the side outlet plane is controlled by the screw.

Method used

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Embodiment Construction

[0026] In order to make the technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0027] see Figure 1 to Figure 7 . It should be noted that the structures, proportions, sizes, etc. shown in the drawings attached to this specification are only used to match the content disclosed in the specification, for those who are familiar with this technology to understand and read, and are not used to limit the implementation of the present invention. Limiting conditions, so there is no technical substantive meaning, any modification of structure, change of proportional relationship or adjustment of size, without affecting the effect and purpose of the present invention, should still fall within the scope of the present invention. The disclosed technical content must be within the scope covered. At the same time, the usages such as "up...

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Abstract

The invention provides a one-side fastening bolt. The one-side fastening bolt comprises a screw and a conical head at one end of the screw; the conical head is integrated with the screw; the screw issequentially provided with a sleeve, a fixing gasket and a nut in a penetrating manner from the conical head end; and the sleeve and the fixing gasket are in clearance fit with the screw, the outer diameter of the sleeve is greater than the inner diameter of the fixing gasket, the sleeve is provided with a plurality of axial openings close to the conical head end, the smaller end of the conical head is clamped into the sleeve, and the outer diameter of the larger end of the conical head is greater than or equal to the inner diameter of the sleeve. On the premise of not reducing the installation speed and the joint strength, the one-side fastening bolt avoids the situation that a traditional method causes opening weakening of a connection section when completing bolt connection of closed-section components; and the one-side fastening bolt has the advantages of being convenient and fast to install, adapting to connection of the closed-section components, reducing the requirement for theout-of-plane height of an inaccessible side, guaranteeing the integrity of the connection section and the like.

Description

technical field [0001] The present application relates to the technical field of component connection, in particular to a unilateral fastening bolt for connecting two components, one of which is a closed interface. Background technique [0002] In steel structures or composite structures, the connections between steel members are generally welded, riveted, and bolted. Welding connection is the most important connection method for steel structures. Its advantages are simple structure, no weakening of the construction section, steel saving, convenient processing, easy automation, good sealing performance and high rigidity; the advantages of rivet connection are plasticity and toughness. It is better, reliable in force transmission, and easy to check in quality. It is suitable for the connection of structures directly bearing dynamic loads. The disadvantage is that the structure is complex and the amount of steel is large, so it is rarely used at present; and the bolted connect...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B13/06
CPCF16B13/06
Inventor 李豫明毕登山宗亮郭小华史奉伟
Owner CENT RES INST OF BUILDING & CONSTR CO LTD MCC GRP
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