JPS61135068U - - Google Patents
Info
- Publication number
- JPS61135068U JPS61135068U JP1830285U JP1830285U JPS61135068U JP S61135068 U JPS61135068 U JP S61135068U JP 1830285 U JP1830285 U JP 1830285U JP 1830285 U JP1830285 U JP 1830285U JP S61135068 U JPS61135068 U JP S61135068U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- hole
- port
- rotary valve
- cylindrical
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Multiple-Way Valves (AREA)
Description
第1図は本考案の一実施例を示す縦断面図、第
2図は第1図の―線に沿う断面図、第3図は
本考案による油圧切換弁を組込んだ油圧装置の一
例を示す図面である。
1……油圧切換弁、2……弁本体、3……孔、
4……回転弁体、5……ボルト、6……カバー、
7……端面、8……底面、9……第1ポート、1
0……内周面、11……第2ポート、12……第
3ポート、13……弁通路、14……外周面、1
5……軸部、16……操作レバー、17,18,
19……Oリング、20……オイルタンク、21
……フイルタ、22……給油管、23……オイル
ポンプ、24……ギヤ、25……コントロールバ
ルブ、26……吐出口、27……入口、28……
スプール穴、29……スプール、30……レバー
、31……軸、32……腕部材、33……供給ポ
ート、34……送出ポート、35……排出ポート
、36……排出路、37……戻り室、38……戻
り管、39……ロツド部、40……ランド部、4
1……ロツド部、42……ケース、43……油圧
配管、44……油圧シリンダ、45……ピストン
、46……リンク部材、47……絞り弁、48…
…リリーフ弁。
Fig. 1 is a longitudinal cross-sectional view showing an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the line - in Fig. 1, and Fig. 3 is an example of a hydraulic system incorporating the hydraulic switching valve according to the present invention. FIG. 1... Hydraulic switching valve, 2... Valve body, 3... Hole,
4... Rotating valve body, 5... Bolt, 6... Cover,
7... End surface, 8... Bottom surface, 9... First port, 1
0... Inner peripheral surface, 11... Second port, 12... Third port, 13... Valve passage, 14... Outer peripheral surface, 1
5...Shaft portion, 16...Operation lever, 17, 18,
19...O ring, 20...Oil tank, 21
... Filter, 22 ... Oil supply pipe, 23 ... Oil pump, 24 ... Gear, 25 ... Control valve, 26 ... Discharge port, 27 ... Inlet, 28 ...
Spool hole, 29... Spool, 30... Lever, 31... Shaft, 32... Arm member, 33... Supply port, 34... Delivery port, 35... Discharge port, 36... Discharge path, 37... ...Return chamber, 38...Return pipe, 39...Rod part, 40...Land part, 4
DESCRIPTION OF SYMBOLS 1... Rod part, 42... Case, 43... Hydraulic piping, 44... Hydraulic cylinder, 45... Piston, 46... Link member, 47... Throttle valve, 48...
...Relief valve.
Claims (1)
を回転自在に摺接嵌合させて成り、前記孔に、そ
の底面に開口する第1のポートと、内周面に互い
に対向して開口する第2および第3ポートとを設
けるとともに、前記回転弁体に、その端面中心部
から内部に向つて軸線方向に延び内端部において
半径方向へ屈曲し外周面に開口して前記第2およ
び第3ポートと選択的に連通可能な弁通路を設け
、かつ前記孔の底面とこれに当接する前記回転弁
体面間に前記弁通路を包囲して密封部材を設けた
油圧切換弁。 A cylindrical rotary valve body is rotatably and slidably fitted into a cylindrical hole provided in the valve body, and the hole has a first port opening at the bottom thereof and a first port facing each other on the inner peripheral surface thereof. The rotary valve body is provided with second and third ports that extend inward from the center of the end face in the axial direction, are bent in the radial direction at the inner end, and are open on the outer circumferential surface. 1. A hydraulic switching valve, further comprising a valve passage that can selectively communicate with a second and third port, and a sealing member surrounding the valve passage between a bottom surface of the hole and a surface of the rotary valve body that abuts the bottom surface of the hole.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1830285U JPS61135068U (en) | 1985-02-14 | 1985-02-14 | |
US06/828,915 US4731998A (en) | 1985-02-14 | 1986-02-13 | Hydraulic system in a working vehicle |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1830285U JPS61135068U (en) | 1985-02-14 | 1985-02-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS61135068U true JPS61135068U (en) | 1986-08-22 |
Family
ID=30506810
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1830285U Pending JPS61135068U (en) | 1985-02-14 | 1985-02-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61135068U (en) |
-
1985
- 1985-02-14 JP JP1830285U patent/JPS61135068U/ja active Pending
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