CN201448457U - Center line butterfly valve - Google Patents
Center line butterfly valve Download PDFInfo
- Publication number
- CN201448457U CN201448457U CN2009200467174U CN200920046717U CN201448457U CN 201448457 U CN201448457 U CN 201448457U CN 2009200467174 U CN2009200467174 U CN 2009200467174U CN 200920046717 U CN200920046717 U CN 200920046717U CN 201448457 U CN201448457 U CN 201448457U
- Authority
- CN
- China
- Prior art keywords
- valve
- center line
- valve seat
- bearing
- 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 - Fee Related
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- Lift Valve (AREA)
Abstract
The utility model discloses a center line butterfly valve, comprising a valve body, a valve shaft, an upper bearing, a o-shaped ring, a lower shaft, a butterfly plate and a valve seat, wherein the valve seat is mounted in the valve body, the o-shaped ring is arranged between the upper bearing and the lower bearing, the lower end of the lower bearing is provided with a step, of which one end is inserted into a corresponding groove of the valve seat. The utility model has the beneficial effect that the valve shaft and the valve body are sealed reliably by using multiple sealing ways.
Description
Technical field
The utility model relates to a kind of valving, especially a kind of center line butterfly valve.
Background technique
At the center line butterfly valve of every profession and trade use, the sealing between its valve shaft and the valve body only depends on the O shape of upper bearing (metal) and lower bearing to enclose and seals at present, easily causes axial end to leak when pressure medium is higher.
Summary of the invention
In order to overcome the existing center line butterfly valve deficiency that axial end is easily leaked when pressure medium is higher, the utility model provides a kind of center line butterfly valve.
The technological scheme that its technical problem that solves the utility model adopts is a kind of center line butterfly valve, comprise valve body, valve shaft, upper bearing (metal), O shape circle, lower bearing, butterfly plate, valve seat, valve seat is installed in the valve body, O shape circle is housed between upper bearing (metal) and the lower bearing, there is a step lower end of lower bearing, and step one end stretches in the corresponding groove of valve seat.
The beneficial effects of the utility model are that employing is multiple-sealed between valve shaft and valve body, and sealing is reliable.
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. valve body; 2. upper bearing (metal); 3.O shape circle; 4. lower bearing; 5. valve seat; 6. step; 7. butterfly plate; 8. valve shaft.
Embodiment
A kind of center line butterfly valve, comprise valve body 1, valve shaft 8, upper bearing (metal) 2, O shape circle 3, lower bearing 4, butterfly plate 7, valve seat 5, valve seat 5 is installed in the valve body 1, and O shape circle 3 is housed between upper bearing (metal) 2 and the lower bearing 4, there is a step 6 lower end of lower bearing 4, and step 6 one ends stretch in the valve seat 5 corresponding grooves.
Claims (1)
1. center line butterfly valve, comprise valve body, valve shaft, upper bearing (metal), O shape circle, lower bearing, butterfly plate, valve seat, valve seat is installed in the valve body, and O shape circle is housed between upper bearing (metal) and the lower bearing, it is characterized in that: there is a step lower end of described lower bearing, and step one end stretches in the corresponding groove of valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200467174U CN201448457U (en) | 2009-06-22 | 2009-06-22 | Center line butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200467174U CN201448457U (en) | 2009-06-22 | 2009-06-22 | Center line butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448457U true CN201448457U (en) | 2010-05-05 |
Family
ID=42553173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200467174U Expired - Fee Related CN201448457U (en) | 2009-06-22 | 2009-06-22 | Center line butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448457U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915366A (en) * | 2021-09-18 | 2022-01-11 | 湖南联诚轨道装备有限公司 | A multilayer sealing ball valve for track traffic |
-
2009
- 2009-06-22 CN CN2009200467174U patent/CN201448457U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113915366A (en) * | 2021-09-18 | 2022-01-11 | 湖南联诚轨道装备有限公司 | A multilayer sealing ball valve for track traffic |
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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: 20160622 |