JPH0328370U - - Google Patents
Info
- Publication number
- JPH0328370U JPH0328370U JP8841389U JP8841389U JPH0328370U JP H0328370 U JPH0328370 U JP H0328370U JP 8841389 U JP8841389 U JP 8841389U JP 8841389 U JP8841389 U JP 8841389U JP H0328370 U JPH0328370 U JP H0328370U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- seat
- valve body
- vacuum
- tapered opening
- 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
- 239000002184 metal Substances 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
Description
第１図は本考案に係る真空弁装置の第１実施例
を示す要部概略的断面図、第２図は本考案に係る
真空弁装置の第２実施例を示す要部概略的断面図
、第３図及び第４図は従来の真空弁装置をそれぞ
れ示す要部概略的断面図である。
１…弁座、２…弁孔、２ａ…テーパ開口面、３
…弁体、３ａ…テーパ面、３１，３１…突起、ｗ
…シート接触幅。
FIG. 1 is a schematic sectional view of a main part showing a first embodiment of a vacuum valve device according to the present invention, FIG. 2 is a schematic sectional view of a main part showing a second embodiment of a vacuum valve device according to the present invention, FIGS. 3 and 4 are schematic cross-sectional views of essential parts of conventional vacuum valve devices, respectively. 1...Valve seat, 2...Valve hole, 2a...Tapered opening surface, 3
...Valve body, 3a...Tapered surface, 31, 31...Protrusion, w
...Sheet contact width.
Claims (1)
る合成樹脂製弁体とからなり、前記弁体と弁座と
のシート接触幅を大きくしたことを特徴とする真
空弁装置。 ２ 弁座の弁孔をテーパ開口面にする一方、弁体
のシート面をテーパ開口面の角度よりも僅かに小
さいテーパ面に角度差をもたせて形成したことを
特徴とする請求項１記載の真空弁装置。 ３ 弁体のシート面に複数条の突起を同心円状に
形成したことを特徴とする請求項１記載の真空弁
装置。[Claims for Utility Model Registration] 1. Consisting of a metal valve seat and a synthetic resin valve body that seals and closes the valve hole of the valve seat, the seat contact width between the valve body and the valve seat is increased. Characteristic vacuum valve device. 2. The valve hole of the valve seat is formed into a tapered opening surface, while the seat surface of the valve body is formed with a slightly smaller angle difference than the angle of the tapered opening surface. Vacuum valve device. 3. The vacuum valve device according to claim 1, wherein a plurality of protrusions are formed concentrically on the seat surface of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8841389U JPH0328370U (en) | 1989-07-27 | 1989-07-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8841389U JPH0328370U (en) | 1989-07-27 | 1989-07-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0328370U true JPH0328370U (en) | 1991-03-20 |
Family
ID=31638030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8841389U Pending JPH0328370U (en) | 1989-07-27 | 1989-07-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0328370U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002155901A (en) * | 2000-11-21 | 2002-05-31 | Nhk Spring Co Ltd | Self-seal structure for accumulator |
| JP2005517134A (en) * | 2002-02-08 | 2005-06-09 | マック ヴァルヴス インコーポレイテッド | Poppet valve with improved valve seat |
| JP2007170583A (en) * | 2005-12-26 | 2007-07-05 | Ckd Corp | Fluid control valve |
| JP2007327614A (en) * | 2006-06-09 | 2007-12-20 | Nok Corp | Valve sealing structure |
| JP2012207743A (en) * | 2011-03-30 | 2012-10-25 | Honda Motor Co Ltd | Switching valve for high-pressure gas |
| JP2013094778A (en) * | 2011-10-28 | 2013-05-20 | Nordson Corp | Positive displacement dispenser and method for dispensing discrete amounts of liquid |
| JP2014031888A (en) * | 2013-10-23 | 2014-02-20 | Honda Motor Co Ltd | Opening/closing valve for high-pressure hydrogen gas |
-
1989
- 1989-07-27 JP JP8841389U patent/JPH0328370U/ja active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002155901A (en) * | 2000-11-21 | 2002-05-31 | Nhk Spring Co Ltd | Self-seal structure for accumulator |
| JP2005517134A (en) * | 2002-02-08 | 2005-06-09 | マック ヴァルヴス インコーポレイテッド | Poppet valve with improved valve seat |
| JP2007170583A (en) * | 2005-12-26 | 2007-07-05 | Ckd Corp | Fluid control valve |
| JP4519770B2 (en) * | 2005-12-26 | 2010-08-04 | シーケーディ株式会社 | Fluid control valve |
| JP2007327614A (en) * | 2006-06-09 | 2007-12-20 | Nok Corp | Valve sealing structure |
| JP2012207743A (en) * | 2011-03-30 | 2012-10-25 | Honda Motor Co Ltd | Switching valve for high-pressure gas |
| US8820712B2 (en) | 2011-03-30 | 2014-09-02 | Honda Motor Co., Ltd. | Opening and closing valve for high-pressure gas |
| JP2013094778A (en) * | 2011-10-28 | 2013-05-20 | Nordson Corp | Positive displacement dispenser and method for dispensing discrete amounts of liquid |
| JP2014031888A (en) * | 2013-10-23 | 2014-02-20 | Honda Motor Co Ltd | Opening/closing valve for high-pressure hydrogen gas |