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Preparation method for butterfly valve with high strength

A strength and butterfly valve technology, applied in the direction of lifting valves, valve devices, mechanical equipment, etc., can solve the problems of shortened service life, crack sealing effect, and drop of butterfly valves, and achieve the effects of extended service life, increased strength, and improved impact resistance

Pending Publication Date: 2018-02-02
TIANJIN QICHANG VALVE MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the limited ability of the butterfly valve to withstand pressure, it will crack and the sealing effect will drop sharply after being strongly impacted by the fluid in the pipeline, which will make the butterfly valve unable to work normally, and then significantly shorten the service life of the butterfly valve.

Method used

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  • Preparation method for butterfly valve with high strength
  • Preparation method for butterfly valve with high strength

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Embodiment Construction

[0019] In order to better understand the present invention, the present invention will be further described below in conjunction with specific embodiments and accompanying drawings.

[0020] Such as Figure 1-2 As shown, a preparation method of a butterfly valve with higher strength includes a valve body 2, a bushing 5 is set inside the valve body 2, a butterfly plate 6 is installed inside the bushing 5, and a butterfly plate 6 is installed inside the valve body 2. The body 2, the bushing 5 and the butterfly plate 6 are provided with a coaxial opening, and the valve stem 3 is installed in the opening, and the valve stem 3 penetrates the valve body 2, the valve body, and the The bushing 5 and the butterfly plate 6 are fixed at the bottom end of the valve body 2 . The valve rod 3 includes a main rod and an auxiliary rod fixedly connected with the main rod to increase the strength of the main rod, the number of the auxiliary rods is multiple and the center line of the butterfly ...

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Abstract

The invention provides a method for preparing a high-strength butterfly valve. The opening of the axis, the valve stem is installed in the opening, the valve stem penetrates the valve body, the bushing and the butterfly plate in turn and is fixed at the bottom end of the valve body; the valve stem includes a main rod and a Auxiliary rods to increase the strength of the main rod. The number of auxiliary rods is multiple and evenly distributed in a circular array with the center line of the butterfly plate as the axis. The main rod and auxiliary rods are in the same plane and are respectively plugged and fixed with the butterfly plate. The beneficial effects of the present invention are: the design greatly improves the strength of the butterfly plate, and under the action of the auxiliary rod, the butterfly plate can withstand a stronger fluid impact force, thereby improving the impact resistance of the butterfly plate, and finally making the use of the butterfly valve more effective. Lifespan is significantly extended.

Description

technical field [0001] The invention relates to the technical field of valves, in particular to a preparation method of a butterfly valve with relatively high strength. Background technique [0002] Valves are one of the important components used to control fluid flow rates. Because the butterfly valve has the advantages of simple structure and easy manufacture, it is favored by people in industrial production. However, due to the limited ability of the butterfly valve to withstand pressure, it will crack and the sealing effect will drop sharply after being strongly impacted by the fluid in the pipeline, which will make the butterfly valve unable to work normally, and then significantly shorten the service life of the butterfly valve. It can be seen that how to develop a method for preparing a butterfly valve with higher strength so that the butterfly valve has a longer service life is an urgent problem to be solved by those skilled in the art. Contents of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16K1/22F16K1/48F16K1/36
CPCF16K1/22F16K1/36F16K1/48
Inventor 赵树起张小娟衣德玉暴洪雷
Owner TIANJIN QICHANG VALVE MFG
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