JPH02121671U - - Google Patents
Info
- Publication number
- JPH02121671U JPH02121671U JP3036589U JP3036589U JPH02121671U JP H02121671 U JPH02121671 U JP H02121671U JP 3036589 U JP3036589 U JP 3036589U JP 3036589 U JP3036589 U JP 3036589U JP H02121671 U JPH02121671 U JP H02121671U
- Authority
- JP
- Japan
- Prior art keywords
- pair
- valve
- tapered hole
- valve plates
- rotatably connected
- 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.)
- Pending
Links
Landscapes
- Sliding Valves (AREA)
Description
第１図はこの考案の一実施例の真空装置の仕切
弁の基本的な構成を示す断面図、第２図は真空装
置において従来より用いられている仕切弁の基本
的な構成を示す断面図である。
３１……通路、３２……弁箱、３３，３４……
弁座、３５……テーパー穴、３６，３７……弁板
、３８……第１の連結部材、３９，４０……第２
の連結部材、４１……ばね、４２……連結部、４
３……操作棒。
Fig. 1 is a cross-sectional view showing the basic structure of a gate valve of a vacuum device according to an embodiment of this invention, and Fig. 2 is a cross-sectional view showing the basic structure of a gate valve conventionally used in vacuum devices. It is. 31... passage, 32... valve box, 33, 34...
Valve seat, 35... Tapered hole, 36, 37... Valve plate, 38... First connecting member, 39, 40... Second
connecting member, 41... spring, 42... connecting portion, 4
3... Operation stick.
Claims (1)
にテーパー穴を形成してこのテーパー穴の両テー
パー部を一対の弁座とした弁箱と、 前記一対の弁座にそれぞれ着座する一対の弁板
と、 この一対の弁板の前記テーパー穴の底面側の各
端部が、その両端にそれぞれ回動自在に連結され
た第１の連結部材と、 各一端部が前記一対の弁板の前記第１の連結部
材とは反対側の各端部にそれぞれ回動自在に連結
され、各他端部が相互に回動自在に連結された一
対の第２の連結部材と、 前記一対の弁板の前記第２の連結部材に連結さ
れた側の各端部を相互に近接する方向にばね付勢
するばねと、 前記一対の第２の連結部材を相互に連結した連
結部に取り付けられ、前記テーパー穴に対して近
接／離反変位される操作棒とを備え、 前記一対の第２の連結部材が前記各一端部のま
わりに回動するときの各回転軸線を含む平面に関
して、前記連結部と前記テーパー穴とが相異なる
側に位置するようにした真空装置の仕切弁。[Claims for Utility Model Registration] A valve box having a passage along a straight line, a tapered hole formed in the middle of the passage, and both tapered portions of the tapered hole serving as a pair of valve seats, and the pair of valves. a pair of valve plates each seated on a seat; a first connecting member rotatably connected to both ends of each end of the pair of valve plates on the bottom side of the tapered hole; and one end of each of the pair of valve plates. are rotatably connected to each end of the pair of valve plates opposite to the first connecting member, and a pair of second connections whose other ends are rotatably connected to each other. a spring that biases each end of the pair of valve plates on the side connected to the second connecting member in a direction toward each other; and interconnecting the pair of second connecting members. and an operating rod that is attached to the connecting portion and is moved toward and away from the tapered hole, and each axis of rotation when the pair of second connecting members rotates around each of the one end portions. A gate valve for a vacuum device, wherein the connecting portion and the tapered hole are located on different sides with respect to a plane containing the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3036589U JPH02121671U (en) | 1989-03-16 | 1989-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3036589U JPH02121671U (en) | 1989-03-16 | 1989-03-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02121671U true JPH02121671U (en) | 1990-10-03 |
Family
ID=31255370
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3036589U Pending JPH02121671U (en) | 1989-03-16 | 1989-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02121671U (en) |
-
1989
- 1989-03-16 JP JP3036589U patent/JPH02121671U/ja active Pending