U-shaped water seal with one-way valve

A technology of one-way valve and one-way valve plate, which is applied in water supply equipment, indoor sanitary pipeline installations, buildings, etc. It can solve problems such as troubles and environmental cleanliness, and achieve the effect of wide application range and good anti-backflow effect

Inactive Publication Date: 2010-06-09
SHANGHAI JINGAN DISTRICT NO 2 CENT PRIMARY SCHOOL
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It affects the cleanliness of the environment, and sometimes the sewage flows backwards, which will bring great troubles to people

Method used

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  • U-shaped water seal with one-way valve
  • U-shaped water seal with one-way valve
  • U-shaped water seal with one-way valve

Examples

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Embodiment Construction

[0015] The present invention will be further described below through specific embodiments in conjunction with the accompanying drawings.

[0016] U-shaped water seal with one-way valve, 10 inches in diameter, made of PVC material, used for the sewer of toilet flush toilet. It consists of two upper and lower pipe joints (1), two elbows (6) forming 180° to each other, and a downpipe (8). There is a water column (7) in the recess of the elbow, and the water column (7) plays a role of water seal. On the top of the U-shaped water seal, the bottom of the upper pipe joint (1) has a one-way valve, and the valve plate (2) of the one-way valve is made of PVC material, and its diameter is the same as the inner diameter of the downpipe. The shaft (3) is arranged on the side of the valve plate (2) close to the pipe wall, and the two ends of the shaft (3) protrude from the valve plate (2) and are respectively inserted into the pipe wall (4). A non-return piece (5) is arranged at the horiz...

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Abstract

The invention belongs to pipeline materials and relates to a U-shaped water seal with a one-way valve. The prior U-shaped water seal is always damaged by flushing of the drained sewage, and then the sewage flows back into a water tank or a water chamber. The U-shaped water seal with a one-way valve consists of a pipe joint (1), an elbow (6) and a sewage pipe (8). A one-way valve is arranged at the upper part of the U-shaped water seal. A shaft (3) is arranged on a valve plate (2) of the one-way valve, and both ends thereof are separately inserted into a pipe wall (4). A check sheet (5) is arranged in the horizontal position of the pipe wall (4) with the shaft (3). The valve plate (3) of the one-way valve is arranged at the lower part of the upper pipe joint (1). The shaft (3) is arranged at one side of the valve plate (3) of the one-way valve. The invention has the advantages of good counterflow resistance effect and wide application range.

Description

technical field [0001] The invention belongs to pipeline materials, in particular to a U-shaped water seal with a one-way valve. Background technique [0002] The sewer pipes are equipped with devices to prevent the backflow of the sewer, the most commonly used is a U-shaped water seal. Due to the limitation of the installed space of the pipeline, the distance between the two elbows of the U-shaped water seal cannot be too long, which results in low water pressure, so the water often breaks through the U-shaped water seal and flows back into the sink or indoors. It affects the cleanliness of the environment, and sometimes the sewage flows backwards, which will bring great troubles to people. Therefore it is very necessary to invent a kind of device that effectively prevents the backflow of water. Contents of the invention [0003] The object of the present invention is to provide a device that can effectively prevent the backflow of sewer. [0004] The purpose of the in...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E03C1/288
Inventor 邓建民管梅哲
Owner SHANGHAI JINGAN DISTRICT NO 2 CENT PRIMARY SCHOOL
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