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I-shaped check valve

A check valve and I-shape technology, which is applied in the direction of control valves, valve devices, and functional valve types, etc., can solve the problems of poor sealing of the valve body and incomplete reset of the valve clack, so as to improve the sealing performance, enhance the service life, and ensure Reset normal effect

Inactive Publication Date: 2017-01-11
华蓥市佳创软件科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to provide an I-shaped check valve to solve the problem of poor sealing performance of the valve body due to incomplete reset of the valve clack in the above-mentioned background technology.

Method used

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0015] see Figure 1-2 , the present invention provides a technical solution: an I-shaped check valve, including a valve body 1, a water inlet 2 is opened on the left side of the valve body 1, a water outlet 3 is provided at the bottom of the valve body 1, and the valve The top of the inner cavity of the body 1 is provided with a slide bar 4, and the bottom of the slide bar 4 is slidably connected with an I-shaped valve flap 5, and the left end of the bottom o...

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Abstract

The invention discloses an I-shaped check valve in the technical field of valves. The I-shaped check valve comprises a valve body. A water inlet is formed in the left side of the valve body, a water outlet is formed in the bottom of the valve body, a sliding strip is arranged at the top of an inner cavity in the valve body, an I-shaped valve clack is connected with the bottom of the sliding strip in a sliding mode, a limiting plate is arranged at the left end of the bottom of the I-shaped valve clack, a movable block is connected to the right side of the I-shaped valve clack, an adjusting rod is arranged on the right side of the movable block, the outer wall of the adjusting rod is sleeved with elastic pieces, the right ends of the elastic pieces are connected to the right side wall of the inner cavity in the valve body, and adjusting nuts are in threaded connection with the right end of the adjusting rod. Thorough turning of the I-shaped valve clack can be guaranteed through the two elastic pieces, and the sealing performance of the valve body is improved; as metal fatigue can appear when the elastic pieces are used for a long time, the tightness degree of the elastic pieces can be adjusted, and normal resetting of the valve clack is guaranteed; a reinforcing rib is arranged on the I-shaped valve clack, and the service life of the I-shaped valve clack is prolonged.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to an I-shaped check valve. Background technique [0002] Check valve refers to the valve that relies on the flow of the medium itself to automatically open and close the disc to prevent the backflow of the medium, also known as check valve, one-way valve, reverse flow valve, and back pressure valve. The check valve is a kind of automatic valve, its main function is to prevent the reverse flow of the medium, the reverse rotation of the pump and the drive motor, and the discharge of the container medium. At present, in real-time natural gas drilling at home and abroad, in order to prevent the backflow of drilling fluid in the drill string, the check valve is generally installed above the bottom section of the drill string, so as to realize the blowout prevention function in the drill string. Non-mandatory check valves are difficult to seal when the backflow pressure is small, so they...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K15/06
CPCF16K15/063
Inventor 马准中
Owner 华蓥市佳创软件科技有限公司
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