CN202659982U - Leakage-proof check valve - Google Patents
Leakage-proof check valve Download PDFInfo
- Publication number
- CN202659982U CN202659982U CN 201220230560 CN201220230560U CN202659982U CN 202659982 U CN202659982 U CN 202659982U CN 201220230560 CN201220230560 CN 201220230560 CN 201220230560 U CN201220230560 U CN 201220230560U CN 202659982 U CN202659982 U CN 202659982U
- Authority
- CN
- China
- Prior art keywords
- valve
- flap
- valve body
- opening
- 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
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- Check Valves (AREA)
Abstract
The utility model discloses a leakage-proof check valve. The check valve comprises a valve body, wherein the valve body is provided with a valve cavity inside; a water inlet and a water outlet are respectively arranged at the left and right ends of the valve body; an opening is arranged at the upper end of the valve body; a valve cover is installed on the opening in a sealed manner; a support is arranged on the inner wall of the valve cavity on the side of the water inlet and is hinged with a rocker; a valve flap is fixedly installed at one end of the rocker; a valve seat is installed on the side wall of the water inlet on the left side of the valve chamber; the valve flap is lapped on the valve seat; magnets are respectively installed on the contact surface of the valve flap and the valve seat fixedly; and a clump weight is fixedly installed on the valve flap. The check valve has reasonable structural design and good water stop effect.
Description
Technical field
The utility model relates to a kind of leakproof safety check.
Background technique
The open-shut device of leakproof safety check is opened voluntarily or is closed by media flow and strength, to prevent that valve that medium flows backwards is on the leakproof safety check.The leakproof safety check belongs to the self-acting valve class, is mainly used on the pipeline of medium one-way flow, only allows medium to flow to a direction, to try to avert accidents.Ball-type sewage leakproof safety check: valve body adopts the full tunnel structure, has the advantage that flow is large, resistance is little.Adopt ball to do flap, be applicable to high viscosity, industry and the domestic sewage pipe network of suspended matter are arranged.
The model utility content
The utility model provides a kind of reasonable in design, and what stagnant water effect was good can be widely used in tall building, the water supply and sewerage pipeline.
The utility model technical solution problem provides following scheme:
A kind of leakproof safety check, comprise valve body, it is characterized in that: have valve pocket in the described valve body, the left side of described valve body, right two ends be respectively equipped with into, water outlet, the upper end of described valve body is provided with opening, be sealed and installed with valve gap on the described opening, has support on the valve pocket inwall of described water intake one side, be hinged with rocking bar on the described support, one end of described rocking bar is installed with flap, on the sidewall of described valve pocket left side water intake valve seat is installed, and described flap is overlapped on the valve seat, be installed with respectively magnet on the surface of contact of described flap and valve seat, be installed with balancing weight on the described flap.
Between described valve gap and the valve body seal washer is installed.
The utility model reasonable in design is furnished with pouring weight on the flap, stagnant water effect is good, can be widely used in tall building, the water supply and sewerage pipeline.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Referring to accompanying drawing, a kind of leakproof safety check, comprise valve body 1, has valve pocket 2 in the described valve body 1, the left side of described valve body 1, right two ends be respectively equipped with into, water outlet 3,4, the upper end of described valve body is provided with opening 5, be sealed and installed with valve gap 6 on the described opening 5, has support 7 on the valve pocket inwall of described water intake 3 one sides, be hinged with rocking bar 8 on the described support 7, one end of described rocking bar 8 is installed with flap 9, on the sidewall of described valve pocket 2 left side water intakes valve seat 10 is installed, described flap 9 is overlapped on the valve seat 10, is installed with respectively magnet 13 on the surface of contact of described flap 9 and valve seat 10, be installed with balancing weight 11 on the described flap 9, between described valve gap 6 and the valve body 1 seal washer 12 be installed.
Claims (2)
1. leakproof safety check, comprise valve body, it is characterized in that: have valve pocket in the described valve body, the left side of described valve body, right two ends be respectively equipped with into, water outlet, the upper end of described valve body is provided with opening, be sealed and installed with valve gap on the described opening, has support on the valve pocket inwall of described water intake one side, be hinged with rocking bar on the described support, one end of described rocking bar is installed with flap, on the sidewall of described valve pocket left side water intake valve seat is installed, and described flap is overlapped on the valve seat, be installed with respectively magnet on the surface of contact of described flap and valve seat, be installed with balancing weight on the described flap.
2. described leakproof safety check according to claim 1 is characterized in that: between described valve gap and the valve body seal washer is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230560 CN202659982U (en) | 2012-05-22 | 2012-05-22 | Leakage-proof check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220230560 CN202659982U (en) | 2012-05-22 | 2012-05-22 | Leakage-proof check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202659982U true CN202659982U (en) | 2013-01-09 |
Family
ID=47454891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220230560 Expired - Fee Related CN202659982U (en) | 2012-05-22 | 2012-05-22 | Leakage-proof check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202659982U (en) |
-
2012
- 2012-05-22 CN CN 201220230560 patent/CN202659982U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130109 Termination date: 20140522 |