JPH0423883U - - Google Patents
Info
- Publication number
- JPH0423883U JPH0423883U JP6438590U JP6438590U JPH0423883U JP H0423883 U JPH0423883 U JP H0423883U JP 6438590 U JP6438590 U JP 6438590U JP 6438590 U JP6438590 U JP 6438590U JP H0423883 U JPH0423883 U JP H0423883U
- Authority
- JP
- Japan
- Prior art keywords
- pilot
- pressure
- poppet
- high pressure
- rod portion
- 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
- 230000000149 penetrating effect Effects 0.000 claims 1
Description
第１図は本考案の実施例を示す圧力制御弁の要
部断面図、第２図は従来の圧力制御弁を示す断面
図である。
１０……メインポペツト、１２……ピストン、
１４……高圧部、１６……オリフイス、１８……
連通路、２０……パイロツト圧室、２２……パイ
ロツトポペツト、２４……スプリング、２６……
ドレン室、２８……ロツド部、３０……低圧部、
３２……環状溝、３４……絞り、３６……シート
面、４０……スリーブ、４２……プラグ、４４…
…チエツクポペツト、４６……スプリング、４８
……ポペツト先端部、５０……シート面、５２…
…大径穴部、５６……ばね受部、５８……パイロ
ツトシート体、６０……スプリング、６２……シ
ート面、６４……通孔、６８……ロツド部、６８
ａ……連通路、６８ｂ……絞り。
FIG. 1 is a sectional view of a main part of a pressure control valve showing an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional pressure control valve. 10...Main poppet, 12...Piston,
14... High pressure section, 16... Orifice, 18...
Communication path, 20...Pilot pressure chamber, 22...Pilot poppet, 24...Spring, 26...
Drain chamber, 28...rod part, 30...low pressure part,
32...Annular groove, 34...Aperture, 36...Seat surface, 40...Sleeve, 42...Plug, 44...
...Check poppet, 46...Spring, 48
...Poppet tip, 50... Seat surface, 52...
...Large diameter hole, 56...Spring receiver, 58...Pilot seat body, 60...Spring, 62...Seat surface, 64...Through hole, 68...Rod part, 68
a...Communication path, 68b...Aperture.
Claims (1)
間にパイロツト圧室を画成すると共に、前記メイ
ンポペツトにピストンを摺動可能に貫通支持し、
このピストンに形成されたオリフイスを介して前
記パイロツト圧室と高圧部とを連通させ、さらに
前記高圧部の圧力が設定圧力以上に昇圧したとき
に前記パイロツトポペツトを開弁してパイロツト
圧室とドレン室とを連通させ、同時に前記オリフ
イスを閉塞してメインポペツトを開弁し高圧部と
低圧部とを連通させるよう構成したパイロツトオ
ペレート型圧力制御弁において、 前記高圧部の圧力の作動で移動するピストンに
形成されたオリフイスの開口端部と当接し、これ
を閉塞するパイロツトポペツトの先端部に、パイ
ロツト圧室と連通する絞りを形成することを特徴
とする圧力制御弁。 (2) 前記パイロツトポペツトは、その先端にロ
ツド部を形成し、このロツド部先端にロツド部軸
心と直角に貫通する連通路を穿設すると共に前記
ロツド部先端軸心に前記連通路と連通するオリフ
イスを穿設してなる請求項１記載の圧力制御弁。[Claims for Utility Model Registration] (1) A pilot pressure chamber is defined between a main poppet and a pilot poppet, and a piston is slidably supported through the main poppet;
The pilot pressure chamber and the high pressure section are communicated through an orifice formed in the piston, and when the pressure in the high pressure section rises above a set pressure, the pilot poppet is opened and the pilot pressure chamber and the high pressure section are communicated with each other. A pilot operated pressure control valve configured to communicate with a drain chamber and at the same time close the orifice and open a main poppet to communicate a high pressure section and a low pressure section, wherein the piston moves under the action of the pressure of the high pressure section. A pressure control valve characterized in that a throttle communicating with a pilot pressure chamber is formed at the tip of a pilot poppet that contacts and closes the open end of an orifice formed in the valve. (2) The pilot poppet has a rod portion formed at its tip, and a communicating path penetrating through the rod portion at right angles to the axis of the rod portion, and a communicating path formed at the tip axis of the rod portion. 2. The pressure control valve according to claim 1, further comprising a communicating orifice.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990064385U JP2556610Y2 (en) | 1990-06-20 | 1990-06-20 | Pressure control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990064385U JP2556610Y2 (en) | 1990-06-20 | 1990-06-20 | Pressure control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0423883U true JPH0423883U (en) | 1992-02-26 |
| JP2556610Y2 JP2556610Y2 (en) | 1997-12-08 |
Family
ID=31595286
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990064385U Expired - Lifetime JP2556610Y2 (en) | 1990-06-20 | 1990-06-20 | Pressure control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2556610Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61168064U (en) * | 1985-04-10 | 1986-10-18 | ||
| WO2019177154A1 (en) * | 2018-03-16 | 2019-09-19 | Ｋｙｂ株式会社 | Relief valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS613992A (en) * | 1984-06-19 | 1986-01-09 | Mitsubishi Heavy Ind Ltd | Method and device for regulating condensed water temperature |
-
1990
- 1990-06-20 JP JP1990064385U patent/JP2556610Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS613992A (en) * | 1984-06-19 | 1986-01-09 | Mitsubishi Heavy Ind Ltd | Method and device for regulating condensed water temperature |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61168064U (en) * | 1985-04-10 | 1986-10-18 | ||
| JPH0423883Y2 (en) * | 1985-04-10 | 1992-06-04 | ||
| WO2019177154A1 (en) * | 2018-03-16 | 2019-09-19 | Ｋｙｂ株式会社 | Relief valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2556610Y2 (en) | 1997-12-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |