JPS6241981U - - Google Patents
Info
- Publication number
- JPS6241981U JPS6241981U JP13418285U JP13418285U JPS6241981U JP S6241981 U JPS6241981 U JP S6241981U JP 13418285 U JP13418285 U JP 13418285U JP 13418285 U JP13418285 U JP 13418285U JP S6241981 U JPS6241981 U JP S6241981U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- port
- valve seat
- output port
- air port
- 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.)
- Granted
Links
Landscapes
- Fluid-Driven Valves (AREA)
- Details Of Valves (AREA)
- Multiple-Way Valves (AREA)
Description
第1図は本考案の実施例の縦断正面図、第2図
は他の実施例の要部断面図、第3図は従来の真空
弁の縦断正面図である。
1……弁ボデイ、2……真空圧ポート、3……
出力ポート、4……第1弁座、7……弁棒孔、8
……第2弁座、9……弁棒、12……パイロツト
作用室、14……弁部材、17……空気ポート。
FIG. 1 is a longitudinal sectional front view of an embodiment of the present invention, FIG. 2 is a sectional view of main parts of another embodiment, and FIG. 3 is a longitudinal sectional front view of a conventional vacuum valve. 1... Valve body, 2... Vacuum pressure port, 3...
Output port, 4...First valve seat, 7...Valve stem hole, 8
... Second valve seat, 9 ... Valve stem, 12 ... Pilot action chamber, 14 ... Valve member, 17 ... Air port.
Claims (1)
し、上記出力ポートを真空圧ポートまたは空気ポ
ートに切換え連通させるようにした真空弁におい
て、 弁ボデイに、真空圧ポート及び出力ポートと、
両ポートを連通させる通路とを設けるとともに、
その通路中に第1弁座を、この第1弁座と対向さ
せて出力ポートと空気ポートとの間に位置する第
2弁座とを設け、 弁ボデイ内の弁棒孔に摺動自在に挿入した弁棒
には、その周囲に第2弁座側の圧力作用面積を他
方側よりも小にしたパイロツト作用室を形成する
とともに、第1弁座と第2弁座とを選択的に開閉
する弁部材、及び出力ポートを第2弁座を通じて
弁棒内の通孔により外部に連通させる空気ポート
を備えた、 ことを特徴とするポペツト型真空弁。[Scope of Claim for Utility Model Registration] A vacuum valve having a vacuum pressure port, an output port, and an air port, and the output port is switched to communicate with the vacuum pressure port or the air port, wherein the valve body has a vacuum pressure port and an air port. output port and
In addition to providing a passageway that communicates both ports,
A first valve seat is provided in the passage, and a second valve seat is provided opposite to the first valve seat and located between the output port and the air port, and is slidable into the valve stem hole in the valve body. A pilot action chamber is formed around the inserted valve stem in which the pressure action area on the second valve seat side is smaller than on the other side, and the first valve seat and the second valve seat are selectively opened and closed. What is claimed is: 1. A poppet-type vacuum valve comprising: a valve member that communicates with the outside through a second valve seat and an air port that communicates the output port with the outside through a through hole in the valve stem.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13418285U JPH0310439Y2 (en) | 1985-09-02 | 1985-09-02 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13418285U JPH0310439Y2 (en) | 1985-09-02 | 1985-09-02 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6241981U true JPS6241981U (en) | 1987-03-13 |
JPH0310439Y2 JPH0310439Y2 (en) | 1991-03-14 |
Family
ID=31035185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13418285U Expired JPH0310439Y2 (en) | 1985-09-02 | 1985-09-02 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0310439Y2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100907328B1 (en) * | 2006-06-20 | 2009-07-13 | 씨케이디 가부시키 가이샤 | Air-operated valve |
-
1985
- 1985-09-02 JP JP13418285U patent/JPH0310439Y2/ja not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100907328B1 (en) * | 2006-06-20 | 2009-07-13 | 씨케이디 가부시키 가이샤 | Air-operated valve |
Also Published As
Publication number | Publication date |
---|---|
JPH0310439Y2 (en) | 1991-03-14 |