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Multifunctional butterfly plate based on improved electric planer shaft structure and its formed butterfly valve

A shaft structure, electric planing technology, applied in the direction of lifting valves, valve devices, engine components, etc., can solve the problems of easy damage to the sealing parts of the valves, and achieve the effects of enhancing sealing performance, preventing cavitation, and reducing front and rear pressure differences

Active Publication Date: 2016-07-06
ZHEJIANG SCI-TECH UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In practical application, due to the impact of liquid flow when the valve is opened or closed, the sealing part of the valve will be easily damaged.

Method used

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  • Multifunctional butterfly plate based on improved electric planer shaft structure and its formed butterfly valve
  • Multifunctional butterfly plate based on improved electric planer shaft structure and its formed butterfly valve
  • Multifunctional butterfly plate based on improved electric planer shaft structure and its formed butterfly valve

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Experimental program
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Embodiment Construction

[0030] The present invention will be further described below in conjunction with drawings and embodiments.

[0031] Such as figure 1 , figure 2 As shown, the butterfly plate of the present invention includes: both sides of the butterfly plate 6 are provided with arched spherical protrusions, and the arched spherical protrusions of the butterfly plate 6 on the side of the fluid inlet are provided with three shunt channels 10 for splitting and reducing pressure. The arched spherical protrusion of the butterfly plate 6 on the side of the fluid outlet is provided with four shunt flow passages 10 for diversion and decompression, and the arched spherical protrusion of the butterfly plate 6 on the fluid outlet side is provided with four channels for the radial direction of the butterfly plate. Installed mounting holes.

[0032] Such as figure 1 As shown, four grooves evenly distributed along the circumference are formed on the arched spherical protrusion of the butterfly plate 6 ...

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Abstract

The invention discloses an improved multifunctional butterfly plate based on an electric planer type shaft structure and a butterfly valve formed by the improved multifunctional butterfly plate. The two sides of the butterfly plate are respectively provided with an arch spherical protrusion, the arch spherical protrusion, on one side with a fluid inlet, of the butterfly plate is provided with three flow dividing channels used for flow division and pressure reduction, and the arch spherical protrusion, on one side with a fluid outlet, of the butterfly plate is provided with four flow dividing channels used for flow division and pressure reduction and provided with an installation hole part used for installing the butterfly plate in the radial direction. The multifunctional butterfly plate is improved based on a structure of a traditional butterfly plate of a standard flange type soft seal butterfly valve, high flowing speed of fluid passing through the butterfly plate can be reduced, the flow dividing channels can have the functions of flow division, pressure reduction, cavitation prevention, vibration prevention and noise reduction, and moreover when the butterfly valve is closed, the seal performance of a valve body can be improved.

Description

technical field [0001] The invention relates to a multifunctional butterfly plate and a butterfly valve formed thereof, in particular to an improved multifunctional butterfly plate based on an electric planer shaft structure and a butterfly valve formed thereof. Background technique [0002] Butterfly valve, also known as flap valve, is a regulating valve with simple structure, which can be used for switch control of low-pressure pipeline medium, and can also be used to control air, water, steam, various corrosive media, mud, oil, liquid metal and radioactive The flow of various types of fluids such as media. It mainly plays the role of cutting and throttling on the pipeline. The opening and closing part of the butterfly valve is a disc-shaped butterfly plate that rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjustment. [0003] With the acceleration of my country's urbanization process, the amount of valves used in tap wat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K1/36F16K1/22
CPCF16K1/22F16K1/221F16K1/36
Inventor 崔宝玲马光飞王慧杰林哲
Owner ZHEJIANG SCI-TECH UNIV
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