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Sleeve nut, fastener and installation method of fastener

A sleeve nut and installation method technology, applied in the direction of threaded fasteners, nuts, connecting components, etc., can solve the problems of poor nut tightening effect, inability to use thin-walled profiles, etc., to achieve easy control of installation quality and increase connection. The effect of reliability, cost reduction and energy consumption

Active Publication Date: 2016-04-20
PEM CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention provides a sleeve nut, a fastener and an installation method thereof to solve the problem that the existing nut has poor fastening effect and cannot be applied to thin-walled profiles

Method used

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  • Sleeve nut, fastener and installation method of fastener
  • Sleeve nut, fastener and installation method of fastener
  • Sleeve nut, fastener and installation method of fastener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] The sleeve nut provided by the invention, such as figure 1 and figure 2 As shown, it includes a base 10, a cylinder 20 and an interlock key 30 arranged in sequence, the outer diameter of the base 10 is larger than the outer diameter of the cylinder 20, and one end of the cylinder 20 close to the base 10 is provided with The first flower teeth 40 are arranged along the circumferential direction; a threaded hole 50 is provided on the inner side of the barrel 20 close to the interlocking key 30 . In the sleeve nut provided by the present invention, one end where the base 10 is located is in an interference connection with the profile 70 through the first spline 40, and the end where the interlock key 30 is located is self-fastened through the flow of the material and the profile, thereby realizing the connection between the sleeve nut and the profile. There is no requirement for the wall thickness of the fastening connection of the profile 70, even for thin-walled profil...

Embodiment 2

[0048] Please focus on reference Figure 6 , the difference between this embodiment and Embodiment 1 is that: the inside of the barrel 20 is a through hole 53, please refer to Figure 7 , in this embodiment, the combination of the fastener and the pair of fittings 51 is as follows: the second bolt 54 passes through the pair of fittings 51 and the through hole 53 in turn, and is fixed with a nut 55 after passing through, which can also achieve the purpose of fastening .

Embodiment 3

[0050] Please focus on reference Figure 8a The difference between this embodiment and Embodiment 1 is that the specific form of the interlock key 30 is different. In this embodiment, the top sheet of the interlock key 30 is pressed outward to form a fixed connection with the profile 70 .

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PUM

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Abstract

The invention relates to a sleeve nut, a fastener and an installation method of the fastener. The sleeve nut comprises a base, a sleeve and an interlocking key, wherein the base, the sleeve and the interlocking key are sequentially arranged. The outer diameter of the base is larger than that of the sleeve, and a circumferentially-arranged first knurled gear is arranged at the end, close to the base, of the sleeve. A through hole is formed inside the sleeve, or a threaded hole is formed in the side, close to the interlocking key, of the interior of the sleeve. According to the sleeve nut, as the end provided with the base is connected with a section in an interference fitting mode through the first knurled gear, and the end provided with the interlocking key is buckled to the section through flowing of a material, the sleeve nut is connected with the section in a fastened mode, no requirement for the wall thickness of the section exists, welding and re-tapping are not required, and cost and energy consumption are reduced.

Description

technical field [0001] The invention relates to the field of fasteners, in particular to a sleeve nut, a fastener and an installation method thereof. Background technique [0002] At present, there are two commonly used nut fixing methods, one is welding fixing: high energy consumption, the welding process will easily lead to the deformation of the thread in the nut, need to re-tapping, increase the cost, and for aluminum alloy and other materials, the welding process is poor, It is easy to produce welding defects and cannot achieve the effect of fastening connection; the other is riveting: in this way, the connection force of the nut is not strong, the reliability is not good, and it is not suitable for thin-walled profiles. [0003] Therefore, how to provide a sleeve nut, a fastener and an installation method thereof that are more securely connected and applicable to thin-walled profiles is a technical problem to be solved urgently by those skilled in the art. Contents o...

Claims

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Application Information

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IPC IPC(8): F16B37/06B21D39/00
CPCB21D39/00F16B37/065
Inventor 段大鹏李明祥李春陈小明张明
Owner PEM CHINA
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