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A pinch valve

A sandwich and diaphragm technology, which is applied in the direction of diaphragm valves, diaphragms, valve devices, etc., can solve problems such as easy blockage, large pump body, and poor passability of the pump body.

Active Publication Date: 2021-01-26
HANGZHOU DIANZI UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] In existing residential quarters, the drainage of toilets, kitchens, etc. is directly discharged to the gravity pipe. If a drainage point needs to be rebuilt at a place far away from the gravity pipe, the sewage discharge from the discharge pipe to the gravity pipe is generally realized by a lift pump, but the general pump type Relatively large, the large pump body has high cost and high noise, while the small pump body has poor passability and is easy to block

Method used

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings of the description.

[0015] As shown in the figure, the sandwich valve includes a discharge pipe 1, and a fish-shaped film 11 is arranged in the cavity of the discharge pipe 1. The length of the left and right sides of the fish-shaped film 11 is one side long and one side short. When it is opened, a jet nozzle structure is formed. The long side is the acceleration section, and the short side is the deceleration section, which is conducive to the discharge of the medium. In the closed state, the upper and lower diaphragms in the middle of the fish-shaped sandwich 11 are sealed and bonded. One end of the long pipe of the fish-shaped sandwich 11 is connected to the sewage device such as a toilet, and one end of the short pipe of the fish-shaped sandwich 11 is connected to the negative pressure station. A vacuum drainage interface 10 is arranged on the short pipe of the memb...

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Abstract

A clamping film valve belongs to the technical field of sewage system. Including the discharge pipe, a fish-shaped clamp is set in the cavity of the discharge tube. The length of the left and right sides of the fish-shaped clamp is one side long and one side short. One end is connected with the sewage device, and one end of the fish-shaped short pipe is connected with the negative pressure station. The short fish-shaped pipe is equipped with a vacuum drainage interface. , the outer cavity of the fish-shaped sandwich seal is communicated with the connecting channel through the first channel of the discharge pipe. The above-mentioned clamping valve is driven by negative pressure, which can ensure the complete discharge of sewage, uses small pipes for sewage discharge, occupies a small space, has a beautiful appearance, and has a large flux, is convenient to switch, and has good sealing performance. It is suitable for long-distance drainage in toilets.

Description

technical field [0001] The invention belongs to the technical field of sewage system, in particular to a clamping membrane valve. Background technique [0002] In existing residential quarters, the drainage of toilets, kitchens, etc. is directly discharged to the gravity pipe. If a drainage point needs to be rebuilt at a place far away from the gravity pipe, the sewage discharge from the discharge pipe to the gravity pipe is generally realized by a lift pump, but the general pump type Relatively large, the large pump body has high cost and high noise, while the small pump body has poor passability and is easy to block. Contents of the invention [0003] In view of the above-mentioned problems in the prior art, the purpose of the present invention is to design and provide a technical solution for a clamping valve, which is driven by negative pressure, can ensure thorough sewage discharge, uses small pipes to discharge sewage, takes up little space, has a beautiful appearanc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16K7/07
CPCF16K7/07
Inventor 许静连加俤
Owner HANGZHOU DIANZI UNIV
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