JPS6245472U - - Google Patents
Info
- Publication number
- JPS6245472U JPS6245472U JP13712785U JP13712785U JPS6245472U JP S6245472 U JPS6245472 U JP S6245472U JP 13712785 U JP13712785 U JP 13712785U JP 13712785 U JP13712785 U JP 13712785U JP S6245472 U JPS6245472 U JP S6245472U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- passage
- pressure chamber
- back pressure
- 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Details Of Valves (AREA)
- Multiple-Way Valves (AREA)
Description
図面は本考案の実施例を示すもので、第１図は
その縦断面図、第２図及び第３図は作動を説明す
る縦断面図、第４図は別の実施例を示す部分配管
図である。
１……弁本体、２……流入口、３……供給口、
４……排出口、６……油圧ポンプ（油圧源）、７
……タンク、８……体１通路、９……第２通路、
１０……第１弁体、１１……第２弁体、１２……
背圧室、１４……連通路、１６……第３弁体、１
８……スプリング、２２……絞り通路（絞り部）
、２３……第４弁体。
The drawings show an embodiment of the present invention; FIG. 1 is a longitudinal sectional view thereof, FIGS. 2 and 3 are longitudinal sectional views explaining the operation, and FIG. 4 is a partial piping diagram showing another embodiment. It is. 1... Valve body, 2... Inflow port, 3... Supply port,
4...Discharge port, 6...Hydraulic pump (hydraulic source), 7
... Tank, 8 ... Body 1 passage, 9 ... 2nd passage,
10...first valve body, 11...second valve body, 12...
Back pressure chamber, 14... Communication path, 16... Third valve body, 1
8... Spring, 22... Throttle passage (throttling part)
, 23... Fourth valve body.
Claims (1)
第１通路を介して連通する供給口と、該供給口に
第３通路を介して連通する排出口とを備え、前記
第１通路の開閉を行う第１弁体と、前記第２通路
の開閉を行う第２弁体とを設けた油圧三方弁にお
いて、前記第２弁体の背面側に背圧室を形成し、
該背圧室を第３弁体に形成した連通路を介して第
２通路に連通させると共に、この連通路に、常時
はスプリングにより閉方向に附勢される第３弁体
を設け、かつ前記背圧室を第４弁体及び絞り部を
介してタンクに連通開放すべく構成したことを特
徴とする油圧三方弁。 an inlet communicating with a high-pressure hydraulic source; a supply port communicating with the inlet via a first passage; and an outlet communicating with the supply inlet via a third passage; In a hydraulic three-way valve including a first valve body that opens and closes and a second valve body that opens and closes the second passage, a back pressure chamber is formed on the back side of the second valve body,
The back pressure chamber is communicated with the second passage through a communication passage formed in the third valve body, and the communication passage is provided with a third valve body which is normally biased in the closing direction by a spring, and A hydraulic three-way valve characterized in that a back pressure chamber is configured to communicate with and open to a tank via a fourth valve body and a throttle section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13712785U JPH0331881Y2 (en) | 1985-09-06 | 1985-09-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13712785U JPH0331881Y2 (en) | 1985-09-06 | 1985-09-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6245472U true JPS6245472U (en) | 1987-03-19 |
| JPH0331881Y2 JPH0331881Y2 (en) | 1991-07-05 |
Family
ID=31040886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13712785U Expired JPH0331881Y2 (en) | 1985-09-06 | 1985-09-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0331881Y2 (en) |
-
1985
- 1985-09-06 JP JP13712785U patent/JPH0331881Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0331881Y2 (en) | 1991-07-05 |