JPS647968U - - Google Patents
Info
- Publication number
- JPS647968U JPS647968U JP10360387U JP10360387U JPS647968U JP S647968 U JPS647968 U JP S647968U JP 10360387 U JP10360387 U JP 10360387U JP 10360387 U JP10360387 U JP 10360387U JP S647968 U JPS647968 U JP S647968U
- Authority
- JP
- Japan
- Prior art keywords
- pressure control
- control valve
- section
- return pipe
- discharge port
- 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
Landscapes
- Magnetically Actuated Valves (AREA)
Description
第１図は本考案の最適な一実施例に係る圧力制
御弁を示す概略縦断面図、第２図は従来例を第１
図と同様に示す図である。
〔符号の説明〕、１……メイン弁部、２……パ
イロツト弁部、３……多段オリフイス、１０……
スプール、２０……ポペツト、２１……油室、２
３……排出ポート、Ｈ２……ハウジング、Ｌ４…
…戻り管路、Ｔ……タンク。
FIG. 1 is a schematic vertical sectional view showing a pressure control valve according to an optimal embodiment of the present invention, and FIG.
It is a figure shown similarly to a figure. [Explanation of symbols], 1...Main valve part, 2...Pilot valve part, 3...Multi-stage orifice, 10...
Spool, 20...Poppet, 21...Oil chamber, 2
3...Exhaust port, H2...Housing, L4...
...Return pipe, T...tank.
Claims (1)
更して上記メイン弁部におけるスプールの摺動を
可とするポペツトを上記油室内に収装してなるパ
イロツト弁部を有する圧力制御弁において、ポペ
ツトを収装する油室は排出ポートおよび当該排出
ポートに接続された戻り管路を介して外部のタン
クに連通されると共に、上記戻り管路中には多段
オリフイスが配設されてなることを特徴とする圧
力制御弁。 (2) 多段オリフイスがケーシング内に適宜の間
隔で多段に配設されたプレートを有してなると共
に、当該に各プレートにはそれぞれオリフイスが
穿設されてなるとする実用新案登録請求の範囲第
１項記載の圧力制御弁。 (3) 戻り管路にはメイン弁部における排出ポー
トが接続されてなるとする実用新案登録請求の範
囲第１項記載の圧力制御弁。[Scope of Claim for Utility Model Registration] (1) A poppet is housed in the oil chamber that changes the amount of oil flowing into the oil chamber from the main valve section and allows the spool to slide in the main valve section. In a pressure control valve having a pilot valve section, an oil chamber housing a poppet is communicated with an external tank via a discharge port and a return pipe connected to the discharge port, and the return pipe is connected to an external tank. A pressure control valve characterized by being equipped with a multi-stage orifice. (2) Utility model registration claim 1, in which the multi-stage orifice has plates arranged in multiple stages at appropriate intervals within a casing, and each plate is provided with an orifice, respectively. Pressure control valve as described in section. (3) The pressure control valve according to claim 1, wherein the return pipe is connected to a discharge port in the main valve section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10360387U JPS647968U (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10360387U JPS647968U (en) | 1987-07-06 | 1987-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS647968U true JPS647968U (en) | 1989-01-17 |
Family
ID=31334587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10360387U Pending JPS647968U (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS647968U (en) |
-
1987
- 1987-07-06 JP JP10360387U patent/JPS647968U/ja active Pending
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