CN202834122U - Vacuum butterfly valve - Google Patents
Vacuum butterfly valve Download PDFInfo
- Publication number
- CN202834122U CN202834122U CN 201220437967 CN201220437967U CN202834122U CN 202834122 U CN202834122 U CN 202834122U CN 201220437967 CN201220437967 CN 201220437967 CN 201220437967 U CN201220437967 U CN 201220437967U CN 202834122 U CN202834122 U CN 202834122U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- plate
- vacuum butterfly
- 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 vacuum butterfly valve which comprises a valve body, a valve seat, a valve plate and a valve rod. The valve plate is placed in the valve body. The valve rod penetrates through a through hole formed in one side of the valve body and is connected with the valve plate. The other side of the valve plate is connected rotationally with the valve body. A sealing ring is arranged on the inner wall of the valve body in a clamping mode. A valve sleeve is sleeved on the outer side of the valve rod. One end of the valve sleeve is welded with the valve body to be a whole. The other end of the valve sleeve is fixedly installed on the valve seat. According to the vacuum butterfly valve, the valve sleeve and the valve body are welded to be a whole and the sealing ring is arranged on the inner wall of the valve body in the clamping mode, and therefore in the process that the valve rod drives the valve plate to rotate, air can not leak from the valve and sealing effect is improved.
Description
Technical field
The utility model relates generally to the butterfly valve field, relates in particular to a kind of vacuum butterfly valve.
Background technique
Problem for the butterfly valve maximum is exactly sealing problem, and how tight general rigid seal is again, in use, always enters air.
The model utility content
The utility model purpose is exactly in order to remedy the defective of prior art, a kind of vacuum butterfly valve to be provided.
The utility model is achieved through the following technical solutions:
A kind of vacuum butterfly valve, include valve body, valve seat, valve plate, valve rod, described valve plate is arranged in valve body, valve rod passes through hole and the valve plate load of valve body one side, the opposite side of valve plate is rotationally connected with on the valve body, it is characterized in that: be installed with a seal ring on the inwall of described valve body, the outside of valve rod is set with valve pocket, one end of valve pocket and valve body are cast as and are integrated, and the other end of valve pocket is fixedly installed on the valve seat.
Annular is provided with a plurality of ear handles on the periphery of described valve body.
One end of described valve pocket is provided with outside flange, fixes by screw between flange and the valve seat.
The utility model has the advantages that:
The utility model is cast as valve pocket and valve body and is integrated, and is installed with a seal ring on the inwall of valve body, and valve rod drives in the process that valve plate rotates, and air can not revealed thus, has improved sealing effect.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of vacuum butterfly valve, include valve body 2, valve seat 1, valve plate 3, valve rod 4, valve plate 3 is arranged in valve body 2, and valve rod 4 passes through hole and valve plate 3 loads of valve body 2 one sides, and the opposite side of valve plate 3 is rotationally connected with on the valve body 2, be installed with a seal ring 5 on the inwall of valve body 2, the outside of valve rod 4 is set with valve pocket 6, and an end of valve pocket 6 and valve body 2 are cast as and are integrated, and the other end of valve pocket 6 is fixedly installed on the valve seat 1.
Annular is provided with a plurality of ear handles 7 on the periphery of valve body 2.
One end of valve pocket 6 is provided with outside flange 8, fixes by screw between flange 8 and the valve seat 1.
Claims (3)
1. vacuum butterfly valve, include valve body, valve seat, valve plate, valve rod, described valve plate is arranged in valve body, valve rod passes through hole and the valve plate load of valve body one side, the opposite side of valve plate is rotationally connected with on the valve body, it is characterized in that: be installed with a seal ring on the inwall of described valve body, the outside of valve rod is set with valve pocket, one end of valve pocket and valve body are cast as and are integrated, and the other end of valve pocket is fixedly installed on the valve seat.
2. vacuum butterfly valve according to claim 1, it is characterized in that: annular is provided with a plurality of ear handles on the periphery of described valve body.
3. vacuum butterfly valve according to claim 1, it is characterized in that: an end of described valve pocket is provided with outside flange, fixes by screw between flange and the valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220437967 CN202834122U (en) | 2012-08-30 | 2012-08-30 | Vacuum butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220437967 CN202834122U (en) | 2012-08-30 | 2012-08-30 | Vacuum butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202834122U true CN202834122U (en) | 2013-03-27 |
Family
ID=47945831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220437967 Expired - Fee Related CN202834122U (en) | 2012-08-30 | 2012-08-30 | Vacuum butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202834122U (en) |
-
2012
- 2012-08-30 CN CN 201220437967 patent/CN202834122U/en not_active Expired - Fee Related
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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 |
Granted publication date: 20130327 Termination date: 20180830 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |