JPH0218904U - - Google Patents
Info
- Publication number
- JPH0218904U JPH0218904U JP9661088U JP9661088U JPH0218904U JP H0218904 U JPH0218904 U JP H0218904U JP 9661088 U JP9661088 U JP 9661088U JP 9661088 U JP9661088 U JP 9661088U JP H0218904 U JPH0218904 U JP H0218904U
- Authority
- JP
- Japan
- Prior art keywords
- pressure oil
- valve
- spool
- switching
- diversion
- 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
Landscapes
- Multiple-Way Valves (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案の分流弁を具備した油圧切換弁
の油圧回路図、第２図は同じくバルブケース１の
要部断面図、第３図は油圧切換弁が「上げ」位置
の状態を示す油圧切換弁と分流弁の断面図、第４
図は同じく「中立」の位置を示す断面図、第５図
は同じく「下げ」の状態を示す断面図、第６図は
分流弁として定比分流弁を嵌装した実施例の要部
断面図、第７図は第６図に対する他の実施例、第
８図は第６図・第７図の場合の油圧回路図である
。
Ａ……副圧油取出ポート、Ｂ……主圧油取出ポ
ート、１……バルブケース、２……切換スプール
、２ａ……スプール左端、２ｂ……筒状スプール
、２ｃ……弁座口、３……分流スプール、８……
チエツクバルブ。
Fig. 1 is a hydraulic circuit diagram of a hydraulic switching valve equipped with a diversion valve of the present invention, Fig. 2 is a sectional view of the main part of the valve case 1, and Fig. 3 shows the hydraulic switching valve in the "up" position. Cross-sectional view of hydraulic switching valve and diversion valve, No. 4
The figure is a sectional view showing the "neutral" position, FIG. 5 is a sectional view showing the "down" state, and FIG. 6 is a sectional view of the main part of an embodiment in which a constant ratio flow divider valve is installed as a flow divider valve. , FIG. 7 is an alternative embodiment to FIG. 6, and FIG. 8 is a hydraulic circuit diagram in the case of FIGS. 6 and 7. A...Sub-pressure oil outlet port, B...Main pressure oil outlet port, 1...Valve case, 2...Switching spool, 2a...Spool left end, 2b...Cylindrical spool, 2c...Valve seat port, 3...Diversion spool, 8...
Check valve.
Claims (1)
、主圧油取出ポートＢと副圧油取出ポートＡを設
け、主圧油取出ポートＢへポンプポートＰの圧油
を給排する切換スプール２を摺動可能に嵌装した
構成において、該切換スプール２内にポンプポー
トＰの油量を２分割する分流スプール３を配置し
、分割した一方の圧油を切換スプール２の摺動に
より主圧油取出ポートＢより給排可能とし、該切
換スプール２の摺動位置にかかわらず常時、副圧
油取出ポートＡに他方の分割圧油を供給すべく構
成したことを特徴とする分流弁を具備した油圧切
換弁。 (2) 請求項(1)の切換スプール２の内部において
、主圧油取出ポートＢの圧力設定用のリリーフバ
ルブ５を分流スプール３と直列に配置したことを
特徴とする分流弁を具備した油圧切換弁。[Scope of Claim for Utility Model Registration] (1) A main pressure oil extraction port B and a auxiliary pressure oil extraction port A are provided in the valve case 1 constituting the hydraulic switching valve, and a pump port P is connected to the main pressure oil extraction port B. In a configuration in which a switching spool 2 for supplying and discharging pressure oil is slidably fitted, a diversion spool 3 that divides the oil amount of the pump port P into two is disposed within the switching spool 2, and one of the divided pressure oil is By sliding the switching spool 2, the main pressure oil can be supplied and discharged from the main pressure oil extraction port B, and the other divided pressure oil is always supplied to the auxiliary pressure oil extraction port A regardless of the sliding position of the switching spool 2. A hydraulic switching valve equipped with a diversion valve characterized by: (2) A hydraulic system equipped with a diversion valve, characterized in that inside the switching spool 2 of claim (1), a relief valve 5 for setting the pressure of the main pressure oil outlet port B is arranged in series with the diversion spool 3. switching valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988096610U JP2513193Y2 (en) | 1988-07-21 | 1988-07-21 | Hydraulic switching valve with shunt valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988096610U JP2513193Y2 (en) | 1988-07-21 | 1988-07-21 | Hydraulic switching valve with shunt valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0218904U true JPH0218904U (en) | 1990-02-08 |
| JP2513193Y2 JP2513193Y2 (en) | 1996-10-02 |
Family
ID=31321622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988096610U Expired - Lifetime JP2513193Y2 (en) | 1988-07-21 | 1988-07-21 | Hydraulic switching valve with shunt valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2513193Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012501428A (en) * | 2008-09-02 | 2012-01-19 | エマーソン プロセス マネージメント レギュレーター テクノロジーズ インコーポレイテッド | Fluid flow control member for use with a valve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539527U (en) * | 1976-07-08 | 1978-01-26 | ||
| JPS5676704A (en) * | 1979-11-27 | 1981-06-24 | Uchida Yuatsu Kiki Kogyo Kk | Change-over valve with flow collecting and dividing function |
-
1988
- 1988-07-21 JP JP1988096610U patent/JP2513193Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS539527U (en) * | 1976-07-08 | 1978-01-26 | ||
| JPS5676704A (en) * | 1979-11-27 | 1981-06-24 | Uchida Yuatsu Kiki Kogyo Kk | Change-over valve with flow collecting and dividing function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012501428A (en) * | 2008-09-02 | 2012-01-19 | エマーソン プロセス マネージメント レギュレーター テクノロジーズ インコーポレイテッド | Fluid flow control member for use with a valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2513193Y2 (en) | 1996-10-02 |