CN2525315Y - Pneumatic movable butterfly valve - Google Patents
Pneumatic movable butterfly valve Download PDFInfo
- Publication number
- CN2525315Y CN2525315Y CN 01279984 CN01279984U CN2525315Y CN 2525315 Y CN2525315 Y CN 2525315Y CN 01279984 CN01279984 CN 01279984 CN 01279984 U CN01279984 U CN 01279984U CN 2525315 Y CN2525315 Y CN 2525315Y
- Authority
- CN
- China
- Prior art keywords
- valve
- butterfly
- valve seat
- butterfly plate
- pneumatic
- 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
Links
Abstract
The utility model provides a pneumatic movable butterfly valve and relates to an improvement of valve components of pneumatic valves, which comprises an actuator component, a controlling component and a valve component which consists of a valve rod, a valve body, a valve cover, a valve seat and a butterfly plate, wherein, the valve seat is arranged inside the inner cavity of the valve body and forms a left air chamber and a right air chamber together with the valve body and the valve cover, the valve seat moves axially to be rotatablely matched with the butterfly plate; the valve rod is arranged on the butterfly plate in radial direction. The utility model eliminates the friction torque produced during the valve seat detaching from a sealing component by adopting the valve seat which moves axially like a piston, thereby reducing the size of the matched actuator, realizing the purpose of reducing the total size of the butterfly valve. The pneumatic movable butterfly valve is a great creation of present valves.
Description
Technical field
The utility model relates to the improvement invention of valve body parts in the Pneumatic butterfly valve.
Background technique
The butterfly valve of producing, selling and uying at present, mostly be pneumatic eccentric-butterfly-valve, butterfly plate breaks away from valve seat under wobbler action, rotate small angle then and throw off sealing pair, this eccentric-butterfly-valve can only rely on single the rotatablely moving of dish plate to realize valve opening and closing, though unlatching moment is less, requires accuracy of manufacturing very high, assembling and debugging difficulty are big, and applying working condition are required high.
Summary of the invention
In view of the deficiency that prior art exists, the purpose of this utility model aims to provide a kind of dish plate and the pneumatic portable butterfly valve of valve seat frictionless.
The utility model is finished as follows: the utility model comprises final controlling element parts, controlling component and valve part, described valve part is made up of valve rod, valve body, valve gap, valve seat, butterfly plate, described valve seat is installed in body cavity, and form left and right air chamber with valve body, valve gap, this valve seat moves axially with the butterfly plate rotation and cooperates, and described valve rod radially is installed on the butterfly plate.
Press the pneumatic portable butterfly valve of the utility model theme design, adopt valve seat to move axially the structure that breaks away from dish plate and sealing surface earlier, greatly reduce friction torque, operating accuracy is up to 1%, return difference 1%, dead band 0.4%, amount of leakage can reach the GB/T4213VI level, supporting final controlling element volume can reduce 50% simultaneously, thereby has dwindled valve total volume 25%.
Description of drawings
Fig. 1 is the structural drawing under the valve part closed condition in the utility model
Embodiment
Accompanying drawing has been represented structure of the present utility model, in conjunction with the embodiments structure of the present utility model and principle thereof is further elaborated below again.The utility model comprises final controlling element parts, controlling component and valve part, described valve part by valve rod 1, valve body 2, valve gap 3, valve seat 4, butterfly plate 5 form, described valve seat 4 is installed in valve body 2 inner chambers, and form left and right air chamber with valve body 2, valve gap 3, this valve seat 4 moves axially with butterfly plate 5 rotations and cooperates, and described valve rod 1 radially is installed on the butterfly plate 5.In the present embodiment, valve body 2 is connected with valve gap 3 usefulness screws, and the cylindrical cavity of formation is installed valve seat 4, and this valve seat 4 moves along pipeline axial, and the valve rod 1 at two ends is radially packed into and is arranged in the butterfly plate 5 in the valve body 2, thereby has determined the position of butterfly plate 5.When needs are opened valve, after positioning work piece is received the signal that control centre sends, make pressurized air enter left air chamber 7 through pneumatic sequential element earlier, valve seat 4 is moved axially to the right, 4 sealing surfaces that break away from butterfly plate 5 of valve seat this moment, actuator driven butterfly plate 5 revolves and turn 90 degrees then, and valve is standard-sized sheet then; Otherwise when receiving reverse signal, right air chamber 6 air inlets, thereby the dish plate 5 realization sealing throttle downs that valve seat 4 moves to left and goes back to.The utility model adopts the friction torque of valve seat when pipeline moves axially structure and realizes that valve seat breaks away from sealing surface as piston type almost not have, thereby greatly reduce unlatching moment, cause supporting final controlling element volume can reduce half, and travel time is short, open quick, be that one of Pneumatic butterfly valve field is expanded greatly, improved the level of China's instrument and meter for automation valve greatly.
Claims (1)
1. pneumatic portable butterfly valve, comprise final controlling element parts, controlling component and valve part, it is characterized in that: described valve part is made up of valve rod (1), valve body (2), valve gap (3), valve seat (4), butterfly plate (5), described valve seat (4) is installed in valve body (2) inner chamber, and form left and right air chamber with valve body (2), valve gap (3), this valve seat (4) moves axially with butterfly plate (5) rotation and cooperates, and described valve rod (1) radially is installed on the butterfly plate (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01279984 CN2525315Y (en) | 2001-12-31 | 2001-12-31 | Pneumatic movable butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01279984 CN2525315Y (en) | 2001-12-31 | 2001-12-31 | Pneumatic movable butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2525315Y true CN2525315Y (en) | 2002-12-11 |
Family
ID=33683100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01279984 Expired - Fee Related CN2525315Y (en) | 2001-12-31 | 2001-12-31 | Pneumatic movable butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2525315Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681646A (en) * | 2019-02-21 | 2019-04-26 | 江苏神通阀门股份有限公司 | A kind of ultralow temperature butterfly valve |
-
2001
- 2001-12-31 CN CN 01279984 patent/CN2525315Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109681646A (en) * | 2019-02-21 | 2019-04-26 | 江苏神通阀门股份有限公司 | A kind of ultralow temperature butterfly valve |
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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 |