CN201764031U - Check valve - Google Patents
Check valve Download PDFInfo
- Publication number
- CN201764031U CN201764031U CN2009202716538U CN200920271653U CN201764031U CN 201764031 U CN201764031 U CN 201764031U CN 2009202716538 U CN2009202716538 U CN 2009202716538U CN 200920271653 U CN200920271653 U CN 200920271653U CN 201764031 U CN201764031 U CN 201764031U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve plate
- safety check
- water
- 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 relates to a check valve. The whole body of the check valve is made of stainless steel materials, in addition, conical sealing with heat vulcanized rubber is adopted between a valve plate and a valve body, the valve body is a whole body without other auxiliary parts, the valve body is connected with the valve plate by a guide rod and a spring, and an upper sealing surface and a lower sealing surface are sealed by O-shaped rings.During installation, the O-shaped rings are arranged in sealing grooves of the upper sealing surface and the lower sealing surface of the valve body, when the water passes through a check valve inlet, the valve plate is upwards opened under the effects of water pressure and the guide rod to make the water pass, and when the water stops, the valve plate is closed under the effects of the spring and the gravity of the water to stop the water flows.
Description
Technical field
The utility model relates to a kind of safety check, is mainly used in the plumbing field.
Prior art
At present, safety check mostly is butterfly check valve, integral body is cast iron materials, it is made up of two flaps and valve body, flap has two supporting axles to fix by spring, and supporting axle is connected with screw with valve body, and in use spring is easy to the loosening flap closure in time that causes, screw between supporting axle and valve body leak easily and easily rust stubbornly refuse easy-maintaining, cast iron corrodes unhygienic easily.
Summary of the invention
The utility model provides a kind of safety check at the existing in prior technology problem, this safety check integral body is stainless steel, and between valve plate and valve body the cone seal that has hot vulcanization rubber, valve body is that an integral body does not have other slave parts, adopt guide rod auxiliary when valve body is connected with spring with valve plate, valve plate be one circular whole and with valve body be taper fit, valve plate moves by guide rod, the upper-lower seal face adopts the sealing of O type circle, inlet part crossbeam band circular arc.
The technological scheme that its technical problem that solves the utility model adopts is: earlier O type circle is contained in the seal groove of valve body upper-lower seal face when safety check is installed, when current upwards open valve plate under the effect of water flow pressure and guide rod during by check valve inlet, current are passed through, when current stop under the action of gravity of spring and water with the valve plate closure, stop current.
Description of drawings
Scheme (1), be outline drawing of the present utility model.
Figure (2) is the E-E sectional view of figure (1).
Among the figure: 1. guide rod, 2. valve plate, 3. hot vulcanization rubber, 4. valve body, 5. seal groove.
Beneficial effect
The beneficial effects of the utility model are that valve plate, valve body all are that the possibility that an integral body has reduced seepage has increased sealing intensity, integral body is that stainless steel is much cleaner, valve plate moves by guide post, it is tightr that valve plate is cooperated with valve body, it is more convenient, quick that upper-lower seal has been worn the seal groove installation, and sealing is stronger.
Embodiment
The purpose of this utility model is achieved in that when safety check is installed and earlier O type circle is contained in the seal groove of valve body upper-lower seal face, when current upwards open valve plate under the effect of water flow pressure and guide rod during by check valve inlet, current are passed through, when current stop under the action of gravity of spring and water with the valve plate closure, stop current.
Claims (7)
1. a safety check is made up of valve body and valve plate, it is characterized in that: valve plate be an integral body and with the valve body mating part be taper.
2. according to the described a kind of safety check of claim 1, it is characterized in that: upper-lower seal is worn the seal groove that O type circle is installed.
3. according to the described a kind of safety check of claim 1, it is characterized in that: inlet part crossbeam band circular arc.
4. according to the described a kind of safety check of claim 1, it is characterized in that: in valve plate and the valve body mating groove hot vulcanization rubber is arranged.
5. according to the described a kind of safety check of claim 1, it is characterized in that: valve body is indivisible whole other slave parts that do not have.
6. according to the described a kind of safety check of claim 1, it is characterized in that: valve body is connected with spring and guide rod with valve plate is middle.
7. according to the described a kind of safety check of claim 1, it is characterized in that: valve body and valve plate are stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202716538U CN201764031U (en) | 2009-11-26 | 2009-11-26 | Check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202716538U CN201764031U (en) | 2009-11-26 | 2009-11-26 | Check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201764031U true CN201764031U (en) | 2011-03-16 |
Family
ID=43716636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202716538U Expired - Fee Related CN201764031U (en) | 2009-11-26 | 2009-11-26 | Check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201764031U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107409955A (en) * | 2017-06-06 | 2017-12-01 | 杭州中艺生态环境工程有限公司 | A kind of Water saving type watering arrangement improved for Desertification Soil ecological afforestation |
-
2009
- 2009-11-26 CN CN2009202716538U patent/CN201764031U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107409955A (en) * | 2017-06-06 | 2017-12-01 | 杭州中艺生态环境工程有限公司 | A kind of Water saving type watering arrangement improved for Desertification Soil ecological afforestation |
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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: 20110316 Termination date: 20111126 |