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Horn-shaped sealing ring

A sealing ring and trumpet-shaped technology, which is applied in the field of trumpet-shaped sealing rings, can solve problems such as poor sealing performance and short service life, and achieve the effect of extending life

Inactive Publication Date: 2016-10-05
杨东城
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a sealing ring, which can effectively solve the problems of poor sealing performance and short service life in the existing one-way valves, gates and other sealing occasions.

Method used

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Embodiment Construction

[0012] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0013] In actual use, such as Figure 4 As shown, when the fluid flows in the opposite direction, the thickness of the outer circle of the sealing ring 1 is small, and under pressure, it forms a self-locking seal with the sealing surface 3. The greater the pressure, the better the sealing effect, and the thicker the inner circle of the sealing ring 1 can be Under high pressure, at the same time, the self-locking sealing form of the sealing ring 1 is gradually sealed from the outer circle to the inner circle, which can accommodate a small amount of impurities without affecting the sealing. In addition, the support body 2 and the sealing surface 3 are subject to frequent clutching and flapping. There is no damage to the sealing ring 1, and the service life of the trumpet-shaped sealing ring can be extended.

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Abstract

The invention discloses a horn-shaped sealing ring. The horn-shaped sealing ring comprises a supporting body (2), a sealing ring body (1) is fixedly arranged on the outer wall of the supporting body (2) and is of a horn-shaped structure, and section lines of the two sides of the sealing ring body (1) are curved lines sunken inwards. The thickness of the outer circle of the sealing ring body (1) is small, the sealing ring body (1) and sealing surfaces (3) are sealed in a self-locking mode under the pressure effect and can realize the good sealing effect, and the inner circle of the sealing ring body (1) is thickened and can bear high pressure; according to the self-locking sealing mode of the sealing ring body (1), the sealing ring body (1) is gradually sealed from the outer circle to the inner circle, and few impurities can be contained without influencing the sealing effect; the supporting body (2) and the sealing surfaces (3) bear frequent engaging-disengaging and patting, the sealing ring body (1) is protected against harm, and the service life of the horn-shaped sealing ring can be prolonged.

Description

technical field [0001] The invention relates to a sealing ring, in particular to a trumpet-shaped sealing ring. Background technique [0002] At present, in the occasions where one-way valves and gates are used for sealing, most of them use direct contact seals, and use the size of the gap between the two contact surfaces to seal. If the two contact surfaces are worn for a long time, such as the swing single Frequent clutching and flapping of valve disc or valve core and valve seat of directional valve, lifting check valve, butterfly check valve can easily cause wear of both, and even the valve disc or valve core is broken, making the check valve Loss of sealing performance. Invention content: [0003] The object of the present invention is to provide a sealing ring, which can effectively solve the problems of poor sealing performance and short service life in the current sealing occasions such as check valves and gates. [0004] In order to solve the above-mentioned tec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/46F16K1/226
Inventor 杨东城
Owner 杨东城
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