JPS631972U - - Google Patents
Info
- Publication number
- JPS631972U JPS631972U JP9437886U JP9437886U JPS631972U JP S631972 U JPS631972 U JP S631972U JP 9437886 U JP9437886 U JP 9437886U JP 9437886 U JP9437886 U JP 9437886U JP S631972 U JPS631972 U JP S631972U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- hole
- sleeve
- poppet
- annular 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.)
- Granted
Links
Description
第１図は本考案の一実施例の断面図、第２図は
従来例の断面図である。
３１…弁本体、３２…環状室、３３…供給通路
、３４…戻り通路、３５…スリーブ、３７…シー
ト、３８…ポペツト、３８Ａ…ロツド、３８Ｂ…
通路、３８Ｃ・３９Ａ…孔、３８Ｄ・３９Ｂ…環
状溝、３９…ピストン、４０…バネ。
FIG. 1 is a sectional view of an embodiment of the present invention, and FIG. 2 is a sectional view of a conventional example. 31... Valve body, 32... Annular chamber, 33... Supply passage, 34... Return passage, 35... Sleeve, 37... Seat, 38... Poppet, 38A... Rod, 38B...
Passage, 38C/39A...hole, 38D/39B...annular groove, 39...piston, 40...spring.
Claims (1)
けた弁本体と、同弁本体に取り付けられて前記環
状室内に開口しかつ前記供給通路に連通したシー
トをその一側により固定するスリーブと、同スリ
ーブ内へ摺動自在に挿入されその頭部を前記シー
トに係合離脱すると共に一側にロツドを形成した
ポペツトと、前記ロツドの外周ならびに前記スリ
ーブの内周へ摺動自在に挿入されたピストンと、
同ピストンおよび前記ポペツト頭部の対向面に設
けられ両者を離す方向に押圧するバネと、前記ポ
ペツトの軸方向に設けた先止りの通路と、同通路
の先止り部から軸直角方向に設けた孔ならびにこ
れに連通して前記ロツドの外周に設けた環状溝と
、同環状溝に開口して前記ピストンの軸直角方向
に設けた孔ならびにこの孔に連通して前記ピスト
ンの外周に設けた環状溝と、前記スリーブに設け
られ一側を前記ピストンの環状溝に開口し他側を
前記ピストンの反前記バネ接触側に開口した孔と
からなるリリーフ弁。 A valve body provided with an annular chamber that communicates with a supply passage and a return passage; a sleeve that is attached to the valve body and fixes, by one side thereof, a seat that opens into the annular chamber and communicates with the supply passage; and the sleeve. a poppet that is slidably inserted into the poppet and whose head engages and disengages from the seat and has a rod formed on one side; a piston that is slidably inserted into the outer periphery of the rod and the inner periphery of the sleeve; ,
a spring provided on opposing surfaces of the piston and the poppet head to press them apart; a stop passage provided in the axial direction of the poppet; and a spring provided in the direction perpendicular to the axis from the end stop of the passage a hole, an annular groove communicating with the hole and provided on the outer periphery of the rod, a hole opening in the annular groove and provided in a direction perpendicular to the axis of the piston, and an annular groove communicating with the hole and provided on the outer periphery of the piston. A relief valve comprising a groove and a hole provided in the sleeve and having one side open to the annular groove of the piston and the other side open to the side of the piston opposite to the spring contact side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986094378U JPH0425572Y2 (en) | 1986-06-20 | 1986-06-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986094378U JPH0425572Y2 (en) | 1986-06-20 | 1986-06-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS631972U true JPS631972U (en) | 1988-01-08 |
| JPH0425572Y2 JPH0425572Y2 (en) | 1992-06-18 |
Family
ID=30957767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986094378U Expired JPH0425572Y2 (en) | 1986-06-20 | 1986-06-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0425572Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100358283B1 (en) * | 2000-12-29 | 2002-10-25 | 대우종합기계 주식회사 | Relief valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6075774U (en) * | 1983-10-29 | 1985-05-27 | 日立建機株式会社 | pressure control valve |
-
1986
- 1986-06-20 JP JP1986094378U patent/JPH0425572Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6075774U (en) * | 1983-10-29 | 1985-05-27 | 日立建機株式会社 | pressure control valve |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100358283B1 (en) * | 2000-12-29 | 2002-10-25 | 대우종합기계 주식회사 | Relief valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0425572Y2 (en) | 1992-06-18 |