JPS6413522U - - Google Patents
Info
- Publication number
- JPS6413522U JPS6413522U JP10692087U JP10692087U JPS6413522U JP S6413522 U JPS6413522 U JP S6413522U JP 10692087 U JP10692087 U JP 10692087U JP 10692087 U JP10692087 U JP 10692087U JP S6413522 U JPS6413522 U JP S6413522U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- circular groove
- annular groove
- piston ring
- groove
- 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
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
Landscapes
- Control Of Fluid Pressure (AREA)
Description
第１図は本考案の実施例を示すパイロツト作動
形減圧弁の全体断面図、第２図は同じくピストン
の単体断面図、第３図は同じくそのシール部の拡
大断面図、第４図は従来例を示すパイロツト作動
形減圧弁のピストン部の断面図、第５図は同じく
シール部の断面図である。
Ａ：主弁部、Ｂ：パイロツト部、Ｃ：駆動部、
６：主弁子、９：ピストン室、９ａ：ピストン室
壁、１０：ピストン、１０ａ：環状溝、１０ｂ：
ピストンリング、１０ｃ：貫通孔。
Fig. 1 is an overall cross-sectional view of a pilot-operated pressure reducing valve showing an embodiment of the present invention, Fig. 2 is a single cross-sectional view of the piston, Fig. 3 is an enlarged cross-sectional view of the seal portion, and Fig. 4 is a conventional one. FIG. 5 is a cross-sectional view of a piston portion of a pilot-operated pressure reducing valve showing an example, and FIG. 5 is a cross-sectional view of a seal portion as well. A: Main valve section, B: Pilot section, C: Drive section,
6: Main valve, 9: Piston chamber, 9a: Piston chamber wall, 10: Piston, 10a: Annular groove, 10b:
Piston ring, 10c: through hole.
Claims (1)
状溝にそれと同巾の樹脂製ピストンリングが嵌合
され、前記ピストンリングの厚さは前記環状溝の
深さより大に設定され、前記ピストンの側面にピ
ストン室の圧力を環状溝に伝達するための貫通孔
が形成されたことを特徴とする減圧弁。 A circular groove is formed in the seal portion of the piston, a resin piston ring having the same width as the circular groove is fitted into the circular groove, and the thickness of the piston ring is set larger than the depth of the annular groove, and the piston A pressure reducing valve characterized in that a through hole for transmitting pressure in a piston chamber to an annular groove is formed on a side surface of the valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10692087U JPS6413522U (en) | 1987-07-10 | 1987-07-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10692087U JPS6413522U (en) | 1987-07-10 | 1987-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6413522U true JPS6413522U (en) | 1989-01-24 |
Family
ID=31340862
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10692087U Pending JPS6413522U (en) | 1987-07-10 | 1987-07-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6413522U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0729601U (en) * | 1993-10-29 | 1995-06-02 | シーケーディ株式会社 | Control valve and pressure reducing valve |
| JP2022105359A (en) * | 2021-01-04 | 2022-07-14 | 株式会社ミヤワキ | Valve and pressure reduction valve using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0314338U (en) * | 1989-06-26 | 1991-02-13 |
-
1987
- 1987-07-10 JP JP10692087U patent/JPS6413522U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0314338U (en) * | 1989-06-26 | 1991-02-13 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0729601U (en) * | 1993-10-29 | 1995-06-02 | シーケーディ株式会社 | Control valve and pressure reducing valve |
| JP2022105359A (en) * | 2021-01-04 | 2022-07-14 | 株式会社ミヤワキ | Valve and pressure reduction valve using the same |