Screw with excellent sealing performance

A sealing and screw technology, which is applied in the direction of screws, threaded fasteners, connecting components, etc., can solve the problems of poor sealing effect and failure to meet the sealing requirements of parts, and achieve good sealing effect

Inactive Publication Date: 2013-10-30
XINXIN SWITCH PARTS FACTORY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The screw described in the prior art is composed of two parts, the screw head and the screw tail, and threads are arranged on the screw head, so as to connect and fix; the screw of this structure is sealed The effect is poor. When used in a machine that seals gas, it cannot meet the sealing requirements of the machine for various parts

Method used

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  • Screw with excellent sealing performance

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Embodiment Construction

[0012] The present invention is described below in conjunction with accompanying drawing.

[0013] attached figure 1 A screw with good sealing performance according to the present invention includes a screw head 1 and a screw tail 2, the screw head 1 is arranged at the middle position of the screw tail 2; the screw head 1 is formed by a sealing part 3 Composed of threaded part 4, said threaded part 4 is arranged at a position close to screw tail part 2; the contact surface between sealing part 3 and threaded part 4 in said screw head 1 is set as an inclined plane.

[0014] Wherein, the screw head 1 is provided with a sealing groove 5 on the sealing part 3, so that during the use of the screw, a sealing ring (not shown in the figure) can be set in the sealing groove 5 to play a role of sealing; The diameter of the sealing portion 3 in the screw head 1 is smaller than the diameter of the threaded portion 4 .

[0015] The screw with good sealing performance according to the pre...

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PUM

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Abstract

The invention discloses a screw with the excellent sealing performance. The screw comprises a screw head and a screw tail; the screw head is arranged in the middle of the screw tail; the screw head comprises a sealing portion and a threaded portion, and the threaded portion is arranged at a position close to the screw tail; a contact surface between the sealing portion and the threaded portion of the screw head is an oblique plane; a sealing groove is formed in the sealing portion of the screw head, so that a sealing ring can be arranged in the sealing groove when the screw is used, and a sealing effect can be realized. The screw with the excellent sealing performance has the advantages that when the screw is used, the threaded portion of the screw head can realize connecting and fixing effects, and the sealing portion realizes a sealing effect and is good in sealing effect; when the screw is used in a machine for realizing a sealing effect for gas, requirements of the machine on connection among various components and sealing the various components can be effectively met.

Description

technical field [0001] The invention relates to a screw, in particular to a screw with good sealing performance. Background technique [0002] The screw described in the prior art is composed of two parts, the screw head and the screw tail, and threads are arranged on the screw head, so as to connect and fix; the screw of this structure is sealed The effect is poor. When used in a machine that seals gas, it cannot meet the sealing requirements of the machine for various parts. Contents of the invention [0003] In view of the above-mentioned existing technical problems, the object of the present invention is to propose a screw with good sealing performance. [0004] The technical solution of the present invention is achieved as follows: a screw with good sealing performance includes a screw head and a screw tail, the screw head is arranged at the middle position of the screw tail; the screw head is composed of a sealing part and a screw tail. The screw part is composed o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/00
Inventor 金震晓
Owner XINXIN SWITCH PARTS FACTORY
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