JPS58109604U - Hydraulic valve device for fine adjustment - Google Patents
Hydraulic valve device for fine adjustmentInfo
- Publication number
- JPS58109604U JPS58109604U JP664282U JP664282U JPS58109604U JP S58109604 U JPS58109604 U JP S58109604U JP 664282 U JP664282 U JP 664282U JP 664282 U JP664282 U JP 664282U JP S58109604 U JPS58109604 U JP S58109604U
- Authority
- JP
- Japan
- Prior art keywords
- valve body
- fine adjustment
- valve
- hydraulic
- piston
- 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
- Fluid-Pressure Circuits (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Harvester Elements (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案の一実施例を示す油圧回路図、第２図は
同油圧弁の断面図、第３図Ａ、 Ｂは同作用説明図、第
４図は他の実施例を示す油圧弁の断面図、第５図Ａ、
Ｂは同作用説明図、第６図は同油圧回路図亡ある。
２・・・油圧シリンダ、４・・・油圧ポンプ、６・・・
切換弁、８・・・油圧弁、１０・・・弁本体、１１・・
・大ピストン室、１２・・・小ピストン室、１３・・・
大ピストン部、１４・・・小ピストン部、１５・・・２
段ピストン、１６・・・戻しバネ、１７．１８．１９，
２０，２３゜２６・・・油路、２１．２７・・・微小オ
リフィス、２２・・・オリフィス、２４・・！チェック
弁。Fig. 1 is a hydraulic circuit diagram showing one embodiment of the present invention, Fig. 2 is a sectional view of the same hydraulic valve, Figs. 3 A and B are explanatory diagrams of the same operation, and Fig. 4 is a hydraulic diagram showing another embodiment. Cross-sectional view of the valve, Figure 5A,
B is an explanatory diagram of the same operation, and Fig. 6 is a diagram of the same hydraulic circuit. 2...Hydraulic cylinder, 4...Hydraulic pump, 6...
Switching valve, 8... Hydraulic valve, 10... Valve body, 11...
・Large piston chamber, 12...Small piston chamber, 13...
Large piston part, 14...Small piston part, 15...2
Stage piston, 16... return spring, 17.18.19,
20,23゜26...Oil passage, 21.27...Minute orifice, 22...Orifice, 24...! check valve.
Claims (1)
−た油圧回路において、弁本体内に、大ピストン部と
小ピストン部とを備えた２段ピ曵トンを軸心方向に摺動
自在に設け、該弁本体の大ビス１ン室を切換弁側に、小
ピストン室を油圧シリンダ側に夫々接続し、２段ピスト
ンを大ピストン部方向に付勢する戻しバネを設け、弁本
体と２段ピストンとの内の一方に、２段ピストンが戻し
バネに抗して摺動した時に弁本体の切換弁側と油圧シリ
ンダ側とを連通させる油路を設けたことを特徴とする−
微調整用油圧弁装置。If the hydraulic cylinder is controlled by the switching valve,
- In a hydraulic circuit, a two-stage piston having a large piston portion and a small piston portion is provided in the valve body so as to be slidable in the axial direction, and the large screw chamber of the valve body is connected to the switching valve. A return spring is provided on each side to connect the small piston chambers to the hydraulic cylinder side and urge the second-stage piston toward the large piston. It is characterized by providing an oil passage that communicates between the switching valve side of the valve body and the hydraulic cylinder side when the valve body slides against the spring.
Hydraulic valve device for fine adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP664282U JPS58109604U (en) | 1982-01-20 | 1982-01-20 | Hydraulic valve device for fine adjustment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP664282U JPS58109604U (en) | 1982-01-20 | 1982-01-20 | Hydraulic valve device for fine adjustment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58109604U true JPS58109604U (en) | 1983-07-26 |
Family
ID=30019427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP664282U Pending JPS58109604U (en) | 1982-01-20 | 1982-01-20 | Hydraulic valve device for fine adjustment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58109604U (en) |
-
1982
- 1982-01-20 JP JP664282U patent/JPS58109604U/en active Pending
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