CN2357188Y - Flat head clamped silencing check valve - Google Patents
Flat head clamped silencing check valve Download PDFInfo
- Publication number
- CN2357188Y CN2357188Y CN 98206422 CN98206422U CN2357188Y CN 2357188 Y CN2357188 Y CN 2357188Y CN 98206422 CN98206422 CN 98206422 CN 98206422 U CN98206422 U CN 98206422U CN 2357188 Y CN2357188 Y CN 2357188Y
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- CN
- China
- Prior art keywords
- valve
- valve body
- flap
- utility
- model
- 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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Abstract
The utility model relates to a flat head counter-clamped type silencing check valve. The utility model comprises a valve body, a valve rod and a valve cap ring, wherein, the valve cap ring is embedded with one end of the valve body, both ends of the valve rod are respectively embedded between the other end of the valve body and the valve cap ring, and the valve rod is provided with a forward flow cover and a valve clack. A spring is sheathed on the valve rod which is arranged between the valve clack and the valve cap ring. The contact position of the valve clack and the valve body is inlaid with a sealing ring. The valve body forms an ellipsoid shape. The forward flow cover and the valve clack form a flat head shape. The utility model can reduce the resistance force and the noise of fluid, the structure is reasonable, the action is reliable, and the utility model is suitable for the places with quick backward flow of medium.
Description
The utility model relates to a kind of safety check, particularly a kind of tack wafer type damping check valve.
Energy-saving damping safety check (patent No. 94216999.9) though original safety check has been done improvement, is not easy to install in use, gives to promote the use of and brings certain difficulty.
The purpose of this utility model is to overcome the deficiency of above-mentioned technology existence and a kind of fluid resistance and noise and tack wafer type damping check valve simple and reasonable, easy for installation of reducing is provided.
Can reaching of the purpose of this utility model: a kind of tack wafer type damping check valve by following measure, comprise by valve body, valve rod, valve gap ring etc. and constituting, an end that it is characterized in that valve gap ring and valve body is tightly chimeric, the two ends of valve rod are entrenched in the centre of the valve body the other end and valve gap ring respectively, following current cover and flap are housed on the valve rod, on the valve rod between flap and the valve gap ring, be with spring, be embedded with seal ring on flap and the valve body contact position.Valve body is processed into and is elliposoidal, and following current cover and flap are processed into and are flat-headed.
The utility model has the advantages that the resistance that can reduce fluid and noise, energy saving, rational in infrastructure, make simple, easy for installation, reliable in action, cost is lower, be suitable for medium and flow backwards local very rapidly.
Below in conjunction with drawings and Examples in detail the utility model is described in detail.
Fig. 1 is the utility model structure sectional view.
As shown in Figure 1, a kind of tack wafer type damping check valve, it comprises by valve body (1), valve rod (5), valve gap ring formations such as (7), its valve gap ring (7) is inlaid in the end of valve body (1), valve rod (5) one ends penetrate in the mesopore of valve gap ring (7), the other end penetrates in the other end mesopore of valve body (1), following current cover (3) and flap (4) are housed on valve rod (5), following current cover (3) is made seam with flap (4) with alloy material, on the valve rod (5) between flap (4) and the valve gap ring (7), be with spring (6), be embedded with rubber seal (2) on the contact position of flap (4) and valve body (1).When installing and using, flap (4) is close on the valve body sealing surface at ordinary times by the thrust of spring (6), guarantees that medium can not flow backwards.When the thrust of flowing medium during greater than 5/1000MPa, just can push flap (4) open, pressure spring (6) is pressed into pipeline.During demolition if from after take off with the friction tight valve gap ring of valve body (1) (7), spring (6) and flap (4) just can withdraw from.Valve body (1) is made approximate elliposoidal, and valve body (1) inner chamber has formed the streamlined of nature like this, has reduced sharp turn, sharp protruding, thereby has reduced fluid resistance and noise, and following current cover (3), flap (4) are designed to flat-headed, and along with hydrodynamic pressure is big more, flow velocity is big more.After outage, the active force of spring (6) is closed flap (4) rapidly.Dwindle rapidly along with closing this passageway area, increased the resistance that fluid flows backwards, thereby reduced the routine flow velocity degree of fluid.When valve when the quick closing valve stage finishes, only flow down a very little Flow area between valve body (1) and the flap (4), thereby limited the refluence speed of fluid effectively, so greatly reduced water hammer pressure.
Claims (2)
1, a kind of tack wafer type damping check valve, comprise by valve body (1), valve rod (5), valve gap ring formations such as (7), it is characterized in that: valve gap ring (7) is tightly chimeric with an end of valve body (1), the two ends of valve rod (5) are entrenched in the centre of valve body (1) the other end and valve gap ring (7) respectively, following current cover (3) and flap (4) are housed on the valve rod (5), on the valve rod (5) between flap (4) and the valve gap ring (7), be with spring (6), be embedded with seal ring (2) on flap (4) and valve body (1) contact position.
2, safety check according to claim 1 is characterized in that: valve body (1) is elliposoidal, and following current cover (3) is flat-headed with flap (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98206422 CN2357188Y (en) | 1998-07-02 | 1998-07-02 | Flat head clamped silencing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98206422 CN2357188Y (en) | 1998-07-02 | 1998-07-02 | Flat head clamped silencing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2357188Y true CN2357188Y (en) | 2000-01-05 |
Family
ID=33962596
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98206422 Expired - Fee Related CN2357188Y (en) | 1998-07-02 | 1998-07-02 | Flat head clamped silencing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2357188Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105143739A (en) * | 2013-04-03 | 2015-12-09 | 日东工器株式会社 | Check valve body and check valve using same |
| CN105257870A (en) * | 2015-11-27 | 2016-01-20 | 江苏华太电力仪表有限公司 | Straight-through type high-sealing check valve |
-
1998
- 1998-07-02 CN CN 98206422 patent/CN2357188Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105143739A (en) * | 2013-04-03 | 2015-12-09 | 日东工器株式会社 | Check valve body and check valve using same |
| CN105143739B (en) * | 2013-04-03 | 2017-06-09 | 日东工器株式会社 | Check valve |
| US9739386B2 (en) | 2013-04-03 | 2017-08-22 | Nitto Kohki Co., Ltd. | Check valve element and check valve using the same |
| CN105257870A (en) * | 2015-11-27 | 2016-01-20 | 江苏华太电力仪表有限公司 | Straight-through type high-sealing check valve |
| CN105257870B (en) * | 2015-11-27 | 2018-04-20 | 江苏华太电力仪表有限公司 | A kind of through type high leakproofness check-valves |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |