CN2388441Y - Vertical lifting check valve - Google Patents
Vertical lifting check valve Download PDFInfo
- Publication number
- CN2388441Y CN2388441Y CN 99243134 CN99243134U CN2388441Y CN 2388441 Y CN2388441 Y CN 2388441Y CN 99243134 CN99243134 CN 99243134 CN 99243134 U CN99243134 U CN 99243134U CN 2388441 Y CN2388441 Y CN 2388441Y
- Authority
- CN
- China
- Prior art keywords
- valve
- utility
- model
- filter screen
- valve body
- 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 - Lifetime
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- Check Valves (AREA)
Abstract
The utility model discloses a vertical lifting check valve. The utility model is composed of a valve cap, a valve body, a valve clack, a valve clack frame, a spring baffle ring, a spring, a filter screen, a fastening ring, etc. An inlet and outlet end of the utility model is provided with the filter screen which is integrally combined with the valve, and then the utility model not only blocks silts and stones brought by medium and simultaneously blocks impurities returned from a water tank when the utility model is closed, guarantees the sealing surface of the utility model not be damaged, has good sealing effect and long service life, but also has the advantages of simple structure, no increase of the valve volume, low manufacturing cost, etc.
Description
The utility model relates to the Vertical lift check valve of using as one-way valve.
Vertical lift check valve is widely used in building, in the water circuit system of food and hydro-thermo-sanitary apparatuses etc., also can be applicable in the pipe-line system of other non-aggressive medium, makes one-way valve and uses.Owing to often contain foreign material such as silt, stone in the pipeline medium (comprising water), when installing, also usually brings pipeline foreign material into, these foreign material in use just are deposited on the sealing surface place, cause valve closing tight and cause seepage, sealing surface damaged and cause closing inefficacy reduces the working life of safety check greatly even, for this reason, past often is provided with filtrating equipment in the pipeline outside safety check, like this, not only increase the valve volume but also increase manufacture cost.
The purpose of this utility model all provides a kind of simple in structure, economical and practical Vertical lift check valve in the defective that overcomes prior art, can protect sealing surface injury-free, improves sealing effect, avoids the seepage phenomenon, can improve the working life of safety check again.
By above-mentioned purpose, design proposal of the present utility model is: entrance point and the outlet end be made up of the valve gap and the valve body of connection sealed to each other, the chamber is provided with the flap of unidirectional keying valve body sealing surface within it, flap is inlaid on the valve petal shelf, valve petal shelf two ends expansion bearing is in valve gap, valve body coaxial aperture, be sleeved between check ring on the valve petal shelf and the valve petal shelf and be provided with spring, it is characterized in that shoulder in the described entrance point valve body is provided with the filter screen by the collar location.
Shoulder is provided with the symmetrical filter screen of being located by collar equally in the described outlet end valve gap.
The utility model is owing to the inlet/outlet end at valve is provided with filter screen, filter screen and valve are united two into one, the foreign material of bringing in silt, stone and the installation that medium brought into by entrance point have not only been stopped, outside the foreign material that this valve is returned by water tank when cutting out also are blocked in by filter screen, the sealing surface of guaranteeing valve is injury-free, valve closing sealing and non-leakage, the sealing effect and the working life of improving valve, it is simple also to have filter apparatus configuration, does not increase advantages such as valve volume and low cost of manufacture.
Description of drawings.
Fig. 1 is the utility model structural representation (opening state).
Fig. 2 is the utility model structural representation (off status).
In conjunction with above-mentioned accompanying drawing embodiment the utility model is described in detail again.
Shown in Fig. 1-2, valve gap of Vertical lift check valve (1) and valve body (5) are threaded, and both junction planes are provided with actinal surface packing ring (6) sealing, and an end is an entrance point, and an end is an outlet end, and the valve body sealing surface of entrance point (9) is the arc surface structure ringwise.The inner chamber that valve gap, valve body are formed is provided with the flap (4) of unidirectional keying valve body sealing surface, this flap is inlaid in valve petal shelf (3) neck, valve petal shelf is a multidiameter shaft, its two ends expansion bearing respectively are sleeved between check ring (10) on the valve petal shelf and the valve petal shelf and are provided with spring (2) in valve gap, valve body coaxial aperture.Take on the symmetrical filter screen (8) that is equipped with by collar (7) location in the entrance point valve body in shoulder and the outlet end valve gap, filter screen is arch.
When pipeline does not have the medium circulation, valve petal shelf moves to entrance point under spring action, flap valve body sealing surface, when the medium forward circulated, pressure medium overcame spring force and flap is opened, and medium flows to outlet end from entrance point, when entrance point pressure is lower than outlet end, flap is closed under the effect of medium differential pressure and spring force automatically, flows backwards to prevent medium, has played the one-way valve effect.Filter screen is located in the valve needn't increase volume, stops that not only the foreign material that returned from water tank when having stopped valve closing simultaneously make sealing surface injury-free from foreign material such as the silt in the medium, stones, improves valve working life.
Claims (2)
1. Vertical lift check valve, entrance point and the outlet end formed by the valve gap (1) and the valve body (5) of connection sealed to each other, the chamber is provided with the flap (4) of unidirectional keying valve body sealing surface (9) within it, flap is inlaid on the valve petal shelf (3), valve petal shelf two ends expansion bearing is in valve gap, valve body coaxial aperture, be sleeved between check ring (10) on the valve petal shelf and the valve petal shelf and be provided with spring (2), it is characterized in that shoulder in the described entrance point valve body is provided with the filter screen (8) by collar (7) location.
2. Vertical lift check valve as claimed in claim 1 is characterized in that shoulder is provided with the symmetrical filter screen (8) of being located by collar (7) equally in the described outlet end valve gap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99243134 CN2388441Y (en) | 1999-09-14 | 1999-09-14 | Vertical lifting check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99243134 CN2388441Y (en) | 1999-09-14 | 1999-09-14 | Vertical lifting check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2388441Y true CN2388441Y (en) | 2000-07-19 |
Family
ID=34029516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99243134 Expired - Lifetime CN2388441Y (en) | 1999-09-14 | 1999-09-14 | Vertical lifting check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2388441Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359229C (en) * | 2003-05-30 | 2008-01-02 | 三浦工业株式会社 | Check valve |
| CN102818052A (en) * | 2011-06-08 | 2012-12-12 | 浙江恒森实业集团有限公司 | Vertical check valve capable of measuring temperature |
-
1999
- 1999-09-14 CN CN 99243134 patent/CN2388441Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100359229C (en) * | 2003-05-30 | 2008-01-02 | 三浦工业株式会社 | Check valve |
| CN102818052A (en) * | 2011-06-08 | 2012-12-12 | 浙江恒森实业集团有限公司 | Vertical check valve capable of measuring temperature |
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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 | ||
| CX01 | Expiry of patent term |