JPS6380334U - - Google Patents
Info
- Publication number
- JPS6380334U JPS6380334U JP17637786U JP17637786U JPS6380334U JP S6380334 U JPS6380334 U JP S6380334U JP 17637786 U JP17637786 U JP 17637786U JP 17637786 U JP17637786 U JP 17637786U JP S6380334 U JPS6380334 U JP S6380334U
- Authority
- JP
- Japan
- Prior art keywords
- port
- hydraulic pressure
- output
- signal
- hydraulic
- 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
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Multiple-Way Valves (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Description
第１図は本考案にかかる調圧切換弁の一例の調
圧時の断面図、第２図は本調圧切換弁の切換時の
断面図、第３図はデユーテイ比と第１出力油圧と
の関係図、第４図はデユーテイ比と第２出力油圧
との関係図である。
６……スプール、７……スプリング、１１……
第１信号油圧ポート、１２……第２入力油圧ポー
ト、１３……第２出力油圧ポート、１４，１５…
…ドレンポート、１６……第１出力油圧ポート、
１７……第１入力油圧ポート、１９……第１出力
信号油圧ポート、Ｐ１……第１信号油圧、Ｐ２…
…第２入力油圧、Ｐ３……第２出力油圧、Ｐ４…
…第１出力油圧、Ｐ５……第１入力油圧。
Fig. 1 is a sectional view of an example of the pressure regulation switching valve according to the present invention during pressure regulation, Fig. 2 is a sectional view of the pressure regulation switching valve during switching, and Fig. 3 shows the duty ratio and the first output oil pressure. FIG. 4 is a diagram showing the relationship between the duty ratio and the second output oil pressure. 6...Spool, 7...Spring, 11...
First signal hydraulic port, 12... Second input hydraulic port, 13... Second output hydraulic port, 14, 15...
...Drain port, 16...1st output hydraulic port,
17...First input hydraulic pressure port, 19...First output signal hydraulic port, P1 ...First signal hydraulic pressure, P2 ...
...Second input oil pressure, P 3 ...Second output oil pressure, P 4 ...
...First output oil pressure, P5 ...First input oil pressure.
Claims (1)
、スプールを一方向に押す第１信号油圧が入力さ
れる第１信号油圧ポートと、第１信号油圧と対向
する方向へスプールを押すべく第１出力油圧が帰
還される第１出力信号油圧ポートと、第１信号油
圧と対向する方向へスプールを常時押すスプリン
グと、第１出力油圧とスプリングとによる荷重と
第１信号油圧による荷重との釣り合いにより第１
出力油圧ポートと選択的に連通する第１入力油圧
ポートおよびドレンポートと、第１信号油圧が作
用している期間中ドレンポートと連通する第２出
力油圧ポートと、該期間中閉じられる第２入力油
圧ポートとを備え、第１信号油圧が作用しない時
、第２入力油圧ポートと第２出力油圧ポートとが
連通し、第１出力油圧ポートとドレンポートとが
連通し、かつ第１入力油圧ポートが閉じられるこ
とを特徴とする調圧切換弁。 a first output hydraulic port that outputs a first output hydraulic pressure; a first signal hydraulic port that receives a first signal hydraulic pressure that pushes the spool in one direction; and a first signal hydraulic port that receives a first signal hydraulic pressure that pushes the spool in a direction opposite to the first signal hydraulic pressure Due to the first output signal hydraulic port to which the output hydraulic pressure is returned, the spring that constantly pushes the spool in the direction opposite to the first signal hydraulic pressure, and the balance between the load due to the first output hydraulic pressure and the spring and the load due to the first signal hydraulic pressure. 1st
a first input hydraulic pressure port and a drain port that selectively communicate with the output hydraulic pressure port; a second output hydraulic port that communicates with the drain port during a period when the first signal hydraulic pressure is applied; and a second input that is closed during the period. a hydraulic port, when the first signal hydraulic pressure does not act, the second input hydraulic port and the second output hydraulic port communicate, the first output hydraulic port and the drain port communicate, and the first input hydraulic port A pressure regulating switching valve characterized by being closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17637786U JPS6380334U (en) | 1986-11-17 | 1986-11-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17637786U JPS6380334U (en) | 1986-11-17 | 1986-11-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6380334U true JPS6380334U (en) | 1988-05-27 |
Family
ID=31116560
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17637786U Pending JPS6380334U (en) | 1986-11-17 | 1986-11-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6380334U (en) |
-
1986
- 1986-11-17 JP JP17637786U patent/JPS6380334U/ja active Pending
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