JPH0192575U - - Google Patents
Info
- Publication number
- JPH0192575U JPH0192575U JP18903787U JP18903787U JPH0192575U JP H0192575 U JPH0192575 U JP H0192575U JP 18903787 U JP18903787 U JP 18903787U JP 18903787 U JP18903787 U JP 18903787U JP H0192575 U JPH0192575 U JP H0192575U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- port
- valve body
- throttles
- hydraulic pressure
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 description 1
Landscapes
- Magnetically Actuated Valves (AREA)
Description
第1図は本考案一実施例の圧力制御弁を示す断
面図、第2図は実施例及び従来例のバルブスプー
ル変位量とポート液圧変化量との関係を示すグラ
フ、第3図はソレノイドへの負荷電流とポート液
圧変化量との関係を示すグラフ、第4図は実施例
と従来例のヒステリシス特性を示すグラフである
。
10……バルブボデイ、20……バルブスプー
ル、23……第1ランド、24……第2ランド、
30……第1ソレノイド(摺動手段)、40……
第2ソレノイド(摺動手段)、54……第1出力
回路、55……第2出力回路、61……バルブ穴
、65……第1出力ポート、66……第2出力ポ
ート、231,232,241,242……面取
り部、a1,a2……液圧供給側絞り、b1,b
2……ドレーン側絞り。
Fig. 1 is a sectional view showing a pressure control valve according to an embodiment of the present invention, Fig. 2 is a graph showing the relationship between the valve spool displacement amount and the port hydraulic pressure change amount of the embodiment and the conventional example, and Fig. 3 is a solenoid valve. FIG. 4 is a graph showing the relationship between the load current applied to the port and the amount of change in port hydraulic pressure, and FIG. 4 is a graph showing the hysteresis characteristics of the embodiment and the conventional example. 10... Valve body, 20... Valve spool, 23... First land, 24... Second land,
30...first solenoid (sliding means), 40...
Second solenoid (sliding means), 54...first output circuit, 55...second output circuit, 61...valve hole, 65...first output port, 66...second output port, 231,232 , 241, 242... Chamfered portion, a 1 , a 2 ... Hydraulic pressure supply side throttle, b 1 , b
2 ... Drain side aperture.
Claims (1)
続部とドレーン回路との接続部の間に配置され、
出力回路に接続されたポートと、 前記バルブ穴に摺動可能に設けられ、前記ポー
トとの間に液圧供給側の絞りとドレーン側の絞り
を形成するようアンダーラツプ状態で配置される
ランドを備え、両絞りの量を変化させて出力回路
の液圧を調整可能なバルブスプールと、 前記バルブスプールに摺動力を与える摺動手段
と、 前記両絞りを形成する部分のバルブスプール及
びバルブボデイのエツジ部分の少なくとも一方に
テーパやアールにより面取りして形成した面取り
部と、 を備えていることを特徴とする圧力制御弁。[Claims for Utility Model Registration] A valve body in which a valve hole is formed, and a valve body formed in the valve hole and disposed between a connection part with a hydraulic pressure supply circuit and a connection part with a drain circuit,
A port connected to an output circuit and a land slidably provided in the valve hole and arranged in an underlapping state so as to form a fluid pressure supply side restriction and a drain side restriction between the port and the port. , a valve spool that can adjust the hydraulic pressure of the output circuit by changing the amount of both throttles, a sliding means for applying sliding force to the valve spool, and an edge portion of the valve spool and the valve body forming the both throttles. A pressure control valve comprising: a chamfered portion formed by chamfering with a taper or a radius on at least one side of the pressure control valve.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18903787U JPH0192575U (en) | 1987-12-11 | 1987-12-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18903787U JPH0192575U (en) | 1987-12-11 | 1987-12-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH0192575U true JPH0192575U (en) | 1989-06-16 |
Family
ID=31480094
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18903787U Pending JPH0192575U (en) | 1987-12-11 | 1987-12-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH0192575U (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6034163B2 (en) * | 1977-11-30 | 1985-08-07 | 株式会社東芝 | electronic switch device |
JPS6058978B2 (en) * | 1983-11-30 | 1985-12-23 | 明治乳業株式会社 | Sterilization method for the inner surface of irregularly shaped containers |
JPS6220274B2 (en) * | 1980-07-31 | 1987-05-06 | Furukawa Electric Co Ltd |
-
1987
- 1987-12-11 JP JP18903787U patent/JPH0192575U/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6034163B2 (en) * | 1977-11-30 | 1985-08-07 | 株式会社東芝 | electronic switch device |
JPS6220274B2 (en) * | 1980-07-31 | 1987-05-06 | Furukawa Electric Co Ltd | |
JPS6058978B2 (en) * | 1983-11-30 | 1985-12-23 | 明治乳業株式会社 | Sterilization method for the inner surface of irregularly shaped containers |