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One-way valve for floor drain

A technology of one-way valve and valve cylinder, which is applied in the direction of waterway system, climate change adaptation, drainage structures, etc., can solve the problems of slow drainage speed, insufficient drainage, reverse overflow, etc., to ensure sealing, strong self-cleaning function, and use long life effect

Pending Publication Date: 2017-09-29
北京中卫洁源科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a one-way valve for floor drains to solve the existing problems of the existing floor drains, such as slow drainage speed, insufficient drainage, mosquitoes, foul gas entering the room and sewage overflowing, etc.

Method used

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Experimental program
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Embodiment 1

[0038] Such as figure 1 As shown, the valve cylinder 1 of the check valve in this embodiment is provided with a water inlet 11 and a water discharge port 12 , the water inlet 11 is arranged at the top of the valve cylinder 1 , and the water outlet 12 is arranged at the bottom of the valve cylinder 1 . The valve barrel 1 is made of rigid material, preferably ABS engineering plastics, and the wall thickness of the valve barrel 1 is 1.5 mm. The valve cylinder 1 is preferably a straight cylinder in the shape of a circular tube. A fixing hole 13 is arranged on the side wall of the valve cylinder 1, and the outline of the fixing hole 13 is square, rhombus, triangle, circle, semicircle, crescent, dovetail, ellipse, semi-ellipse or drop shape, or the fixing hole The profile of the top and bottom are arc-shaped and the diameter of the top arc is smaller than the diameter of the bottom arc. In this embodiment, the profile of the preferred fixing hole 13 is arc-shaped at the top and the...

Embodiment 2

[0050] Such as Figure 6 As shown, the valve cylinder 1 of the check valve in this embodiment is provided with a water inlet 11 and a water discharge port 12 , the water inlet 11 is arranged on the top of the valve cylinder 1 , and the water outlet 12 is arranged on the bottom of the valve cylinder 1 . The valve barrel 1 is made of rigid material, preferably ABS engineering plastics, and the wall thickness of the valve barrel 1 is 1.5 mm. The valve cylinder 1 is preferably a straight cylinder in the shape of a circular tube. The side wall of the valve cylinder 1 is provided with a fixing hole 13, and the outline of the fixing hole 13 is square, rhombus, triangle, circle, semicircle, crescent, dovetail, ellipse, semi-ellipse or drop shape, or fixed The contour of the hole is that the top and the bottom are arc-shaped and the diameter of the top arc is smaller than the bell-shaped diameter of the bottom arc. Bell shape with bottom arc diameter. Threads 16 are provided on the ...

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Abstract

The invention discloses a one-way valve for floor drain. The one-way valve comprises a valve cylinder manufactured by a rigid material and a slant cavity core manufactured by a flexible material, the slant cavity core comprises an sealing part, a supporting part and a bearing part, the sealing part is fitted to the lower portion of the inner wall of the valve cylinder in the circumferential direction, the sealing part comprises a front sealing part and a rear sealing part, the supporting part is an arc part, continuously fitted upwards to the inner wall of the valve cylinder, of the front sealing part, the bearing part is in smooth transition to the top of the rear sealing part are and aslant extends to the top of the supporting part, and in smooth connection with the parts at the two sides of the supporting part and the top of the supporting part, the sealing part, the supporting part and the bearing part are in mutual smooth connection to form a slant cavity structure which covers the inner cross section of the valve cylinder in a sealed mode, and the slant cavity core is fixed in the valve cylinder through a fixing hole in the side wall of the valve cylinder. The one-way valve is high in drainage capacity, mosquitoes, insects and noxious gas can be thoroughly prevented from entering indoor, sewage is prevented from overflowing, and the one-way valve for floor drain has the advantages of being high in self-cleaning capacity, long in service life, simple in structure, and easy to manufacture.

Description

technical field [0001] The invention relates to the technical field of building drainage, in particular to a check valve for building drainage floor drains. Background technique [0002] The domestic sewage generated in the building needs to be drained through the floor drain, which not only requires the floor drain to have a strong drainage capacity, but also requires good sealing performance to prevent mosquitoes and foul gas in the sewer from entering the room and affecting human health. [0003] There are many kinds of floor drains at present, and they mainly include manual closed type, water sealed type, automatic closed type and integral silica gel closed type floor drain. The manual closed floor drain is a straight-through drainage with high drainage efficiency, but it needs to be manually opened and closed. After the drainage is completed, if the floor drain is not closed in time, mosquitoes and dirty gas will easily enter the room, causing air pollution and affectin...

Claims

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Application Information

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IPC IPC(8): E03F5/04E03F7/04
CPCE03F5/0407E03F2005/0417Y02A30/60
Inventor 钟志浩
Owner 北京中卫洁源科技发展有限公司
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