CN201448483U - Butterfly type double disc check valve - Google Patents
Butterfly type double disc check valve Download PDFInfo
- Publication number
- CN201448483U CN201448483U CN200920046716XU CN200920046716U CN201448483U CN 201448483 U CN201448483 U CN 201448483U CN 200920046716X U CN200920046716X U CN 200920046716XU CN 200920046716 U CN200920046716 U CN 200920046716U CN 201448483 U CN201448483 U CN 201448483U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve shaft
- valve body
- shaft
- discs
- 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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- Lift Valve (AREA)
Abstract
The utility model provides a butterfly type double disc check valve comprising a valve body, discs, a valve shaft, a seal washer and a plug screw. Two symmetric semicircular discs are arranged in the valve body by the valve shaft. The right side of the valve shaft is sealed with the valve body by the seal washer and the plug screw. The discs are connected with the valve shaft by keys, and the valve shaft extends out of the valve body on the left side. A straight slot is arranged on the left end of the valve shaft, and the direction of the straight slot is consistent with the direction of the keys. The left side of the valve shaft is sealed with the valve body by filler and a gland. The utility model has the advantages that the opening and closing of the valve is transferred to the valve shaft by the discs through the keys, and the position states of the discs can be correctly displayed, which is convenient for maintenance.
Description
Technical field
The utility model relates to a kind of valving, especially a kind of butterfly Bivalved check valve.
Background technique
The present butterfly Bivalved check valve that uses in every profession and trade, sealing gasket and plug screw sealing are all adopted in the two ends of valve shaft, be installed on the pipeline after, just can't differentiate the location status of flap, make troubles to maintenance.
Summary of the invention
In order to overcome the deficiency that can't differentiate the location status of flap after existing butterfly Bivalved check valve is installed, the utility model provides a kind of butterfly Bivalved check valve.
The technological scheme that its technical problem that solves the utility model adopts is a kind of butterfly Bivalved check valve, comprise valve body, flap, valve shaft, sealing gasket, plug screw, the semicircle flap of two symmetries is installed in the valve body by valve shaft, the valve shaft on right side is by sealing gasket and plug screw and valve seal, pass through key connecting between flap and the valve shaft, valve shaft stretches out the valve body in left side, left end at valve shaft has straight groove, the direction of straight groove is consistent with the direction of key, and the left side of valve shaft and valve body are by filler and gland seal.
The beneficial effects of the utility model are that the switch motion of valve is delivered on the valve shaft by key by flap, can correctly show the location status of flap, offer convenience to maintenance.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the tectonic maps of present embodiment;
Among the figure: 1. straight groove; 2. gland; 3. filler; 4. valve shaft; 5. key; 6. flap; 7. valve body; 8. sealing gasket; 9. plug screw.
Embodiment
A kind of butterfly Bivalved check valve, comprise valve body 7, flap 6, valve shaft 4, sealing gasket 8, plug screw 9, the semicircle flap 6 of two symmetries is installed in the valve body 7 by valve shaft 4, the right side of valve shaft 4 is by sealing gasket 8 and plug screw 9 and valve body 7 sealings, connect by key 5 between flap 6 and the valve shaft 4, valve shaft 4 stretches out the valve body 7 in left side, in the left end of valve shaft 4 straight groove 1 is arranged, the direction of straight groove 1 is consistent with the direction of key 5, and the left side of valve shaft 4 and valve body 7 are by filler 3 and gland 2 sealings.
Claims (1)
1. butterfly Bivalved check valve, comprise valve body, flap, valve shaft, sealing gasket, plug screw, the semicircle flap of two symmetries is installed in the valve body by valve shaft, the valve shaft on right side is by sealing gasket and plug screw and valve seal, it is characterized in that: by key connecting, described valve shaft stretches out the valve body on right side between described flap and the valve shaft, in the right-hand end of valve shaft straight groove is arranged, the direction of straight groove is consistent with the direction of key, between the right side of valve shaft and the valve body by filler and gland seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920046716XU CN201448483U (en) | 2009-06-22 | 2009-06-22 | Butterfly type double disc check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920046716XU CN201448483U (en) | 2009-06-22 | 2009-06-22 | Butterfly type double disc check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448483U true CN201448483U (en) | 2010-05-05 |
Family
ID=42553199
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200920046716XU Expired - Fee Related CN201448483U (en) | 2009-06-22 | 2009-06-22 | Butterfly type double disc check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448483U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261224A (en) * | 2017-07-23 | 2017-10-20 | 苏州智缦电子科技有限公司 | A kind of anhydrous pleural cavity closed drainage device |
-
2009
- 2009-06-22 CN CN200920046716XU patent/CN201448483U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107261224A (en) * | 2017-07-23 | 2017-10-20 | 苏州智缦电子科技有限公司 | A kind of anhydrous pleural cavity closed drainage device |
| CN107261224B (en) * | 2017-07-23 | 2019-07-16 | 苏州智缦电子科技有限公司 | A kind of anhydrous pleural cavity closed drainage device |
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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: 20100505 Termination date: 20170622 |