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Flange fixing assembly

A technology for fixing components and flanges, which is applied in the direction of fixing devices, threaded fasteners, connecting components, etc., and can solve the problem that bolts 2” are easy to fall

Pending Publication Date: 2019-09-20
SHANGHAI TENNECO EXHAUST SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, after the bolt 2" is pressed in, due to plastic deformation, the bolt 2" is easy to fall during transportation

Method used

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  • Flange fixing assembly
  • Flange fixing assembly
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Examples

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Embodiment Construction

[0022] Please refer to Figure 5 to Figure 8 As shown, the present invention discloses a flange fixing assembly 100 , which includes a flange 1 and bolts 2 installed on the flange 1 . The flange 1 is provided with a threaded hole 11 , and the bolt 2 includes a first threaded portion 21 matching with the threaded hole 11 and a second threaded portion 22 protruding from the first threaded portion 21 .

[0023] The thread direction of the first thread portion 21 is opposite to that of the second thread portion 22 . In one embodiment of the present invention, the threaded hole 11 has a left-handed internal thread, and the first threaded portion 21 is provided with a left-handed external thread matched with the left-handed internal thread. In another embodiment of the present invention, the threaded hole 11 has a right-handed internal thread, and the first threaded portion 21 is provided with a right-handed external thread matched with the right-handed internal thread. The length...

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Abstract

A flange fixing assembly comprises a flange and a bolt installed on the flange; the flange is provided with a threaded hole; and the bolt comprises a first threaded portion matched with the threaded hole and a second threaded portion protruding out of the first threaded portion. Due to the arrangement, due to cooperation of the first threaded portion and the threaded hole, the bolt is stably installed on the flange.

Description

technical field [0001] The invention relates to a flange fixing component, which belongs to the technical field of connectors. Background technique [0002] There are two ways of traditional bolt and flange fixing, one is welding type and the other is press-in type. [0003] Please refer to figure 1 and figure 2 As shown, in the welding fixing method, the flange 1' is provided with a through hole 11', the bolt 2' passes through the through hole 11', and the rear end of the bolt 2' is fixed on the flange surface by welding. However, in this fixing method, each bolt 2' has two symmetrical weld seams, which requires investment in welding equipment and welding positioning fixtures. In addition, due to welding deformation, deformation of the flange surface will occur and it is difficult to ensure the perpendicularity of the bolt relative to the flange surface after welding. [0004] Please refer to image 3 and Figure 4 As shown, in the press-in fixing method, a small hol...

Claims

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Application Information

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IPC IPC(8): F16B1/02F16B35/00
CPCF16B1/02F16B35/00
Inventor 齐旺明裘莎莎印仁军
Owner SHANGHAI TENNECO EXHAUST SYST
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