CN203384428U - Sewer check valve - Google Patents
Sewer check valve Download PDFInfo
- Publication number
- CN203384428U CN203384428U CN201320501964.5U CN201320501964U CN203384428U CN 203384428 U CN203384428 U CN 203384428U CN 201320501964 U CN201320501964 U CN 201320501964U CN 203384428 U CN203384428 U CN 203384428U
- Authority
- CN
- China
- Prior art keywords
- valve
- seat
- valve body
- block
- valve seat
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model provides a sewer check valve, and relates to the technical field of building sewers. The sewer check valve comprises a tubular valve body and a valve block, and is characterized in that an annular valve seat is arranged on the inner wall of the inlet side of the valve body, the valve block is hinged to the upper portion of the valve seat, and the valve block droops naturally and is attached to the end face of the water outlet side of the valve seat to block the valve body. The sewer check valve is connected to a drainage and blow down pipeline in series, the valve seat of the valve body is made to be in a horizontal state, and in the drainage and blow down process, sewage pushes the valve block to rotate around the hinging position, an inlet and an outlet of the valve body are communicated, and blow down is carried out normally; when no sewage and dirt is discharged, the valve block is attached to the outlet side of the valve seat to block the valve body under the action of gravity, and sewage is prevented from flowing back, or peculiar smell of sewage is prevented from going back to rooms. The sewer check valve has the advantages that peculiar smell is prevented, sewage flows in one direction and is prevented from flowing back, the structure is simple, and the valve is economical and durable, and convenient to repair and mount.
Description
Technical field
The utility model relates to the sewer pipeline of building technical field, says in detail it is a kind of sewage refluence, lower Water Check Valve of anti-peculiar smell of preventing.
Background technique
We know, the lower water drainage of residential quarter, office building, tall building generally includes user's various blowdown branch drains, vertical drain header and underground bilge well or septic tank at present.User's various blowdown branch drains (as: the tank drain pipe of kitchen, Rest Room, the floor drain of Rest Room, the drain pipe of toilet and waste pipe of washing machine etc.) are connected with vertical drain header, and drain header is connected with underground bilge well or septic tank by the road.Be interconnected between each user's various blowdown branch drains in existing this lower water drainage, and directly be communicated with bilge well or septic tank, due to reasons such as weather or uses, easily return out peculiar smell in pipeline, pollute indoor air; If pipeline obstruction, it is indoor that low layer resident family there will be sewage to flow backwards, and causes unnecessary loss.
Summary of the invention
The purpose of this utility model is to solve above-mentioned the deficiencies in the prior art, and a kind of deficiency that can effectively make up existing pipe fittings is provided, and effectively avoids in pipeline returning out peculiar smell, the sewage lower Water Check Valve indoor, simple in structure, easy for installation, economy and durability that flows backwards.
The utility model solves the technological scheme that above-mentioned the deficiencies in the prior art adopt:
A kind of lower Water Check Valve, comprise tubular valve body, valve block, it is characterized in that the inwall of the suction side of valve body is provided with ring-shaped valve seats, valve block and valve seat upper articulation, and valve block naturally droops end face laminating, the blocking-up valve body with the valve seat water outlet side.
The valve body at the valve block place described in the utility model is provided with access hole, access hole is provided with annular fitting seat, fitting seat is provided with sealing cover, (as can be seen from the figure, fitting seat is provided with outside thread, sealing cover is provided with internal thread, and the two is through being threaded) be provided with sealing gasket between sealing cover and fitting seat.Be convenient to installation and the maintenance of each parts in valve body.
The valve seat top at the access hole place described in the utility model is provided with hinged seat, the plane at the water outlet place of valve seat and vertical direction are the angle of 0 °-70 °, valve block abuts on the valve seat water outlet, and the valve block upside is provided with the connecting sheet of level, connecting sheet and hinged seat handing-over.As can be seen from the figure, the connecting sheet front end is provided with bearing pin, and bearing pin is connected with hinged seat, hinged.
Valve seat described in the utility model and valve block contacting point are bladed, and valve seat contacts (line that the surface of contact that is the two is a rounded sealing) with the valve block line.The surface of contact of valve seat and valve block is little, is convenient to open.
Plane and the vertical direction at the water outlet place of the valve seat described in the utility model are the angle of 20 °, and the valve block ovalize abuts on the valve seat water outlet, the blocking-up valve body, and the valve block back side is provided with the cross stiffening rib.
Valve body described in the utility model is straight tube or threeway tubulose.
Valve body described in the utility model is the threeway tubulose, and valve seat water outlet bottom is camber with the water outlet of valve body and excessively is connected.Can reduce accumulating of dirt.
Be respectively equipped with rapid pipe joint on each connecting end of valve body described in the utility model (entrance point and outlet end, the straight tubular valve body is an entrance point, an outlet end, the three-way pipe type valve body is an entrance point, two outlet end).Rapid pipe joint is comprised of cutting ferrule nut and seal ring, and the cutting ferrule nut is connected with valve body screw thread, and the cross section of seal ring is trapezoidal; During installation, inclined-plane and the valve body of seal ring one side touch, and opposite side and connecting tube touch, and reach sealing.
During use, the utility model is serially connected on draining, blowoff line, make the valve seat of valve body in level, when draining, blowdown, sewage promotes valve block and rotates around hinged place, the import of valve body and outlet conducting, normal blowdown, when discharging without sewage dirt, valve block is close to outlet side, the blocking-up valve body of valve seat under the effect of deadweight, avoids sewage to flow backwards or to the indoor peculiar smell that returns out.The utlity model has anti-peculiar smell, the sewage one-way flow, prevent that sewage from flowing backwards, simple in structure, economy and durability, the advantages such as easy maintenance and installation.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model middle valve plate.
Fig. 3 is Fig. 2 left view.
Fig. 4 is another structural representation of the present utility model.
Fig. 5, Fig. 6 are the structural representations that on valve body of the present utility model, each connecting end is provided with rapid pipe joint.
Embodiment
Embodiment 1
Lower Water Check Valve as shown in Figure 1, Figure 2, Figure 3 shows, comprise the valve body 1, valve block 2 and the ring-shaped valve seats 3 that are straight tube-like, and the inwall of the suction side of valve body 1 is provided with ring-shaped valve seats 3, and valve interior wall and valve base chamber fit tightly, are tightly connected.Valve block 2 and valve seat 3 upper articulations, valve block naturally droops end face laminating, the blocking-up valve body with the valve seat water outlet side.For the ease of installation and the maintenance of each parts in valve body, the valve body at valve block place is provided with access hole, and access hole is provided with annular fitting seat, fitting seat is provided with sealing cover 6, and as can be seen from Figure 1, fitting seat is provided with outside thread, sealing cover 6 is provided with internal thread, and the two is through being threaded.Be provided with sealing gasket 5 between sealing cover and fitting seat.From Fig. 1, Fig. 2, Fig. 3, can find out, valve seat 3 tops at access hole place are provided with hinged seat 4, and the plane at the water outlet place of valve seat and vertical direction are the angle of 0 °-70 °, preferably 15 °-30 ° of angles; Valve block abuts on the valve seat water outlet, the valve block upside is provided with the connecting sheet of level, the handing-over of connecting sheet and hinged seat, connecting sheet can make tighter the abutting on the valve seat water outlet of valve block, and the less angle of water intake and the level existence of valve body does not affect the sealing of valve block and valve seat yet while installing.As can be seen from the figure, the connecting sheet front end is provided with bearing pin 7, and bearing pin 7 is connected with hinged seat 4, hinged; The valve block ovalize, the valve block back side is provided with cross stiffening rib 8.
The utility model further improves, and described valve seat and valve block contacting point are bladed, and valve seat contacts with the valve block line, the line that surface of contact of the two is a rounded sealing.The surface of contact of valve seat and valve block is little, is convenient to open.As can be seen from the figure, it is skewed that the outer periphery of valve block also is, the radius of valve block and valve seat contacting side be greater than opposite side radius, make valve block integral body be cone table shape, on the valve body of valve block outside during residual soil, more be conducive to opening of valve block.
During use, the utility model is serially connected on draining, blowoff line, make the valve seat of valve body in level, when draining, blowdown, sewage promotes valve block and rotates around hinged place, the import of valve body and outlet conducting, normal blowdown, when discharging without sewage dirt, valve block is close to outlet side, the blocking-up valve body of valve seat under the effect of deadweight, avoids sewage to flow backwards or to the indoor peculiar smell that returns out.The utlity model has anti-peculiar smell, the sewage one-way flow, prevent that sewage from flowing backwards, simple in structure, economy and durability, the advantages such as easy maintenance and installation.
Lower Water Check Valve as shown in Figure 4, be that with embodiment 1 difference valve body is the threeway tubulose, and valve seat water outlet bottom is camber with the water outlet of valve body and excessively is connected.Other structure is identical with embodiment 1, repeats no more.The threeway tubular valve body is convenient to interconnect between many pipelines; Valve seat water outlet bottom is camber with the water outlet of valve body and excessively is connected, and can reduce accumulating of dirt.
The utility model further improves, and on each connecting end of described valve body (entrance point and outlet end, the straight tubular valve body is an entrance point, an outlet end, the three-way pipe type valve body is an entrance point, two outlet end), is respectively equipped with rapid pipe joint; Realization is quick mounting on mounted pipeline.From Fig. 5, Fig. 6, can find out, rapid pipe joint is comprised of cutting ferrule nut 10 and seal ring 9, and cutting ferrule nut 10 is connected with valve body screw thread, and the cross section of seal ring 9 is trapezoidal; During installation, inclined-plane and the valve body of seal ring one side touch, and opposite side and connecting tube touch, and reach sealing.
Claims (8)
1. a lower Water Check Valve, comprise tubular valve body, valve block, it is characterized in that the inwall of the suction side of valve body is provided with ring-shaped valve seats, valve block and valve seat upper articulation, and valve block naturally droops end face laminating, the blocking-up valve body with the valve seat outlet side.
2. lower Water Check Valve according to claim 1, is characterized in that the valve body at described valve block place is provided with access hole, and access hole is provided with annular fitting seat, and fitting seat is provided with sealing cover, between sealing cover and fitting seat, is provided with sealing gasket.
3. lower Water Check Valve according to claim 2, the valve seat top that it is characterized in that described access hole place is provided with hinged seat, the plane at the water outlet place of valve seat and vertical direction are the angle of 0 °-70 °, valve block abuts on the valve seat water outlet, the valve block upside is provided with the connecting sheet of level, connecting sheet and hinged seat handing-over.
4. according to claim 1 or 2 or 3 described lower Water Check Valves, it is characterized in that described valve seat and valve block contacting point are bladed, valve seat contacts with the valve block line.
5. lower Water Check Valve according to claim 3, is characterized in that plane and the vertical direction at the water outlet place of valve seat is the angle of 20 °, and the valve block ovalize abuts on the valve seat water outlet, the blocking-up valve body, and the valve block back side is provided with the cross stiffening rib.
6. lower Water Check Valve according to claim 1, is characterized in that described valve body is straight tube or threeway tubulose.
7. lower Water Check Valve according to claim 1, is characterized in that described valve body is the threeway tubulose, and valve seat water outlet bottom is camber with the water outlet of valve body and excessively is connected.
8. lower Water Check Valve according to claim 4, is characterized in that being respectively equipped with rapid pipe joint on each connecting end of described valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320501964.5U CN203384428U (en) | 2013-03-12 | 2013-08-17 | Sewer check valve |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320109154.5 | 2013-03-12 | ||
| CN201320109154 | 2013-03-12 | ||
| CN201320501964.5U CN203384428U (en) | 2013-03-12 | 2013-08-17 | Sewer check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203384428U true CN203384428U (en) | 2014-01-08 |
Family
ID=49872920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320501964.5U Expired - Fee Related CN203384428U (en) | 2013-03-12 | 2013-08-17 | Sewer check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203384428U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320465A (en) * | 2015-06-26 | 2017-01-11 | 湖北易木同层排水科技股份有限公司 | Multifunctional disease prevention device |
| CN108302224A (en) * | 2017-01-13 | 2018-07-20 | 科赛尔股份公司 | device for waste water engineering |
| CN108778910A (en) * | 2016-02-10 | 2018-11-09 | 泽费罗斯股份有限公司 | Drain valve |
| CN108797726A (en) * | 2018-06-20 | 2018-11-13 | 耿飞 | A kind of non-maintaining check valve of valve and building-drainage system |
| CN111536277A (en) * | 2020-06-17 | 2020-08-14 | 中国建筑设计研究院有限公司 | Drainage non-return system and drainage non-return method |
| CN112127436A (en) * | 2020-10-11 | 2020-12-25 | 应国珍 | Check valve for public sewage pipeline |
| CN112127437A (en) * | 2020-10-11 | 2020-12-25 | 应国珍 | Check valve for domestic sewage pipeline |
-
2013
- 2013-08-17 CN CN201320501964.5U patent/CN203384428U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106320465A (en) * | 2015-06-26 | 2017-01-11 | 湖北易木同层排水科技股份有限公司 | Multifunctional disease prevention device |
| CN108778910A (en) * | 2016-02-10 | 2018-11-09 | 泽费罗斯股份有限公司 | Drain valve |
| CN108778910B (en) * | 2016-02-10 | 2021-06-15 | 泽费罗斯股份有限公司 | Discharge valve |
| CN108302224A (en) * | 2017-01-13 | 2018-07-20 | 科赛尔股份公司 | device for waste water engineering |
| CN108797726A (en) * | 2018-06-20 | 2018-11-13 | 耿飞 | A kind of non-maintaining check valve of valve and building-drainage system |
| CN111536277A (en) * | 2020-06-17 | 2020-08-14 | 中国建筑设计研究院有限公司 | Drainage non-return system and drainage non-return method |
| CN112127436A (en) * | 2020-10-11 | 2020-12-25 | 应国珍 | Check valve for public sewage pipeline |
| CN112127437A (en) * | 2020-10-11 | 2020-12-25 | 应国珍 | Check valve for domestic sewage pipeline |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203384428U (en) | Sewer check valve | |
| CN103850345B (en) | Eccentric water tank type hydraulic self flushing intercepting and accumulating door | |
| CN203080629U (en) | Stand pipe water collector | |
| WO2018157846A1 (en) | Vertical reclaimed water storage, treatment and reuse system for water closet | |
| CN208979063U (en) | A kind of full ship sanitary sewage piping system with vacuum toilet | |
| CN201695501U (en) | Siphon-type blow-off pipe for toilet stool | |
| CN204298905U (en) | Modular same-layer water draining and saving device | |
| CN102330455B (en) | Water sealing and draining device for preventing overflow return | |
| CN201459849U (en) | Sewer anti-blockage device | |
| CN201746904U (en) | Deodorizing device suitable for drainage and blowdown pipelines | |
| CN203546841U (en) | Multifunctional deodorant floor drain | |
| CN204225218U (en) | Toilet structure is moved outside trap | |
| CN203821583U (en) | Eccentric water tank type hydraulic self flushing impounding door | |
| CN111155606A (en) | Novel sewer line with major-minor check valve | |
| CN100545360C (en) | Three-way type dual-purpose water seal for bath and floor drain | |
| KR20110006553A (en) | Reducer coupling device a bad smell cutoff | |
| CN105155660A (en) | Deodorant drainer | |
| CN2901147Y (en) | Water heater capable of using as water storage tank | |
| CN202850142U (en) | Indoor pipeline drainage system for storied building | |
| CN213418045U (en) | Sewer pipe anti-reverse spring flap check valve | |
| CN215253160U (en) | Pump house with overflow and sewage discharge device | |
| CN208072588U (en) | A kind of straight-through floor drain | |
| CN211621821U (en) | Novel sewer line with major-minor check valve | |
| CN215105764U (en) | Double-insertion climbing pipe fitting | |
| CN213143277U (en) | Water-sealed pipe fitting with inspection cleaning port |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140108 Termination date: 20210817 |