JPH0183975U - - Google Patents
Info
- Publication number
- JPH0183975U JPH0183975U JP1987180509U JP18050987U JPH0183975U JP H0183975 U JPH0183975 U JP H0183975U JP 1987180509 U JP1987180509 U JP 1987180509U JP 18050987 U JP18050987 U JP 18050987U JP H0183975 U JPH0183975 U JP H0183975U
- Authority
- JP
- Japan
- Prior art keywords
- poppet
- cylindrical member
- control valve
- hydraulic control
- seat
- 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
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Safety Valves (AREA)
- Details Of Valves (AREA)
Description
第１図はこの考案の一実施例を示す縦断面図、
第２図は同じくその円筒状部材のみを示すもので
ａは正面図、ｂはａ図のＸ―Ｘ線に沿う断面図、
第３図は第１図に示す実施例の騒音レベルを従来
のものと比較した線図、第４図は従来の油圧制御
弁を例示する縦断面図である。
１…弁本体、２…パイロツト弁、３…ポペツト
、４…ばね、１０…円筒状部材、１１…シート部
、１１ａ…シート開口、１２…スリーブ部、１２
ａ…摺動面。
FIG. 1 is a longitudinal sectional view showing an embodiment of this invention.
Figure 2 similarly shows only the cylindrical member, with a being a front view and b being a sectional view taken along line X--X in figure a.
FIG. 3 is a diagram comparing the noise level of the embodiment shown in FIG. 1 with that of the conventional one, and FIG. 4 is a longitudinal sectional view illustrating the conventional hydraulic control valve. DESCRIPTION OF SYMBOLS 1... Valve body, 2... Pilot valve, 3... Poppet, 4... Spring, 10... Cylindrical member, 11... Seat part, 11a... Seat opening, 12... Sleeve part, 12
a...Sliding surface.
Claims (1)
設けた油圧制御弁において、前記円筒状部材に、
前記ポペツトに係合するシート開口を形成したシ
ート部と、前記ポペツトとの摺動面を形成したス
リーブ部とを一体に設けると共に、前記シート部
の下流側に複数の油孔を形成したことを特徴とす
る油圧制御弁。 In a hydraulic control valve having a poppet slidably housed within a cylindrical member, the cylindrical member includes:
A seat portion having a seat opening that engages with the poppet and a sleeve portion forming a sliding surface with the poppet are integrally provided, and a plurality of oil holes are formed on the downstream side of the seat portion. Features: Hydraulic control valve.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987180509U JPH0641031Y2 (en) | 1987-11-27 | 1987-11-27 | Hydraulic control valve |
| DE19883840013 DE3840013C2 (en) | 1987-11-27 | 1988-11-26 | Safety valve |
| US07/453,034 US5050635A (en) | 1987-11-27 | 1989-12-11 | Relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987180509U JPH0641031Y2 (en) | 1987-11-27 | 1987-11-27 | Hydraulic control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0183975U true JPH0183975U (en) | 1989-06-05 |
| JPH0641031Y2 JPH0641031Y2 (en) | 1994-10-26 |
Family
ID=31472026
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987180509U Expired - Lifetime JPH0641031Y2 (en) | 1987-11-27 | 1987-11-27 | Hydraulic control valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0641031Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434576U (en) * | 1990-07-20 | 1992-03-23 | ||
| JP2004263868A (en) * | 2003-02-19 | 2004-09-24 | Hammelmann Maschinenfabrik Gmbh | Pressure limiting valve |
| JP2011137479A (en) * | 2009-12-25 | 2011-07-14 | Yamada Seisakusho Co Ltd | Relief valve of oil pump |
| JP2014001809A (en) * | 2012-06-19 | 2014-01-09 | Toyooki Kogyo Co Ltd | Valve |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155465U (en) * | 1982-04-13 | 1983-10-17 | 内田油圧機器工業株式会社 | Low noise balanced piston type relief valve |
-
1987
- 1987-11-27 JP JP1987180509U patent/JPH0641031Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58155465U (en) * | 1982-04-13 | 1983-10-17 | 内田油圧機器工業株式会社 | Low noise balanced piston type relief valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0434576U (en) * | 1990-07-20 | 1992-03-23 | ||
| JP2004263868A (en) * | 2003-02-19 | 2004-09-24 | Hammelmann Maschinenfabrik Gmbh | Pressure limiting valve |
| JP2011137479A (en) * | 2009-12-25 | 2011-07-14 | Yamada Seisakusho Co Ltd | Relief valve of oil pump |
| JP2014001809A (en) * | 2012-06-19 | 2014-01-09 | Toyooki Kogyo Co Ltd | Valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0641031Y2 (en) | 1994-10-26 |