JPS5947167U - counter balance valve - Google Patents
counter balance valveInfo
- Publication number
- JPS5947167U JPS5947167U JP4301283U JP4301283U JPS5947167U JP S5947167 U JPS5947167 U JP S5947167U JP 4301283 U JP4301283 U JP 4301283U JP 4301283 U JP4301283 U JP 4301283U JP S5947167 U JPS5947167 U JP S5947167U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- counterbalance
- counter balance
- balance valve
- counterbalance valve
- 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
- Safety Valves (AREA)
- Fluid-Pressure Circuits (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図および第２図は従来のカウンターバランス弁に関
する油圧配置図、第３図はこの考案にか＼るカウンター
バランス弁に関する油圧配置図、第４図はこの考案にか
さるカウンターバランス弁に関し一部を断面図として表
示した油圧配置図である。
１・・・・・・油圧ポンプ、２・・・・・・アクチュエ
ータ、３゜７・・・・・・回路、−４−−−−−−パイ
ロットライン、５・・・・・・カウンターバランス弁、
６＋ ＡＩＯ・・・・・・固定絞り、８゜１２・・・・
・・チェック弁、９・・・・・・切換弁、１０・・・・
・・タンク、１１．５４・・・・・・管路、Ａ・・・・
・・流量調整弁、Ａ１．５１・・・・・・スプール、Ａ
２・・・・・・孔、Ａ３・・・・・・本体、Ａ、、 Ａ
３． Ａ７． Ａ９・・・・・・グループ、Ａ６．５３
・・・・・・はね、Ａ８・・・・・・肩部、Ａｏ、５２
・・・・・・室、Ａ、２・・・・・・通路、ＡＨ３・・
・・・・調整ねじ。
補正 昭５８． ４．２２
実用新案登録請求の範囲、図面の簡単な説明を次のよう
に補正する。
Ｏ実用新案登録請求の範囲
カウンターバランス弁のパイロットラインに圧力補償付
流量調整弁を介設し、その圧力補償付流量調整弁がやや
大きめの開口面積を有する固定絞りと、この固定絞りの
カウンターバランス弁側に配置され、カウンターバラン
スの閉弁動作時に前記固定絞りの前後の差圧を一定とす
る減圧弁とを備えていることを特徴とするカウンターバ
ランス弁。
図面の簡単な説明
第１図および第２図は従来のカウンターバランス弁に関
する油圧配置図、第３図はこの考案にかさるカウンター
バランス弁に関する油圧配置図、第４図はこの考案にカ
するカウンターバランス弁に関し一部を断面図として表
示した油圧配置図である。
４．４ａ、４ｂ・・・・・・パイロットライン、５・・
・・・・カウンターバランス弁、Ａ・・・・・・流量調
整弁、Ａ１・・・・・・スプール、Ａ２・・・・・・孔
、Ａ３・・・・・・本体、Ａ、・・・・・・ばね室、Ａ
５． Ａ、、 Ａ、１・・・・・・油室、Ａ６・・・・
・・ばね、Ａ８・・・・・・肩部、Ａ□。・・・・・・
固定絞り、Ａ１３・・・・・・調整ねじ、Ａ２ｏ・・・
・・・減圧弁。Figures 1 and 2 are hydraulic layout diagrams for a conventional counterbalance valve, Figure 3 is a hydraulic layout diagram for a counterbalance valve according to this invention, and Figure 4 is a diagram for a counterbalance valve according to this invention. FIG. 1...Hydraulic pump, 2...Actuator, 3゜7...Circuit, -4---Pilot line, 5...Counter balance valve,
6+ AIO・・・Fixed aperture, 8゜12・・・
...Check valve, 9...Switching valve, 10...
...tank, 11.54...pipeline, A...
...Flow rate adjustment valve, A1.51...Spool, A
2...hole, A3...body, A,, A
3. A7. A9...Group, A6.53
...Splash, A8...Shoulder, Ao, 52
...Room, A, 2...Aisle, AH3...
...adjustment screw. Correction 1984. 4.22 The claims for utility model registration and the brief description of the drawings are amended as follows. O Scope of Claim for Utility Model Registration A flow regulating valve with pressure compensation is interposed in the pilot line of a counterbalance valve, and the flow regulating valve with pressure compensation has a fixed throttle having a slightly larger opening area, and a counterbalance of this fixed throttle. 1. A counterbalance valve, comprising: a pressure reducing valve disposed on the valve side, which maintains a constant differential pressure across the fixed throttle during valve closing operation of the counterbalance. Brief Description of the Drawings Figures 1 and 2 are hydraulic layout diagrams for a conventional counterbalance valve, Figure 3 is a hydraulic layout diagram for a counterbalance valve according to this invention, and Figure 4 is a hydraulic layout diagram for a counterbalance valve according to this invention. FIG. 3 is a hydraulic layout diagram showing a part of the balance valve as a sectional view. 4.4a, 4b...Pilot line, 5...
... Counterbalance valve, A ... Flow rate adjustment valve, A1 ... Spool, A2 ... Hole, A3 ... Main body, A, ...・・・Spring chamber, A
5. A,, A, 1...Oil chamber, A6...
...Spring, A8...Shoulder, A□.・・・・・・
Fixed aperture, A13... Adjustment screw, A2o...
···Pressure reducing valve.
Claims (1)
バランス弁のスプールが閉弁動作をするときにのみ圧力
補償付流量制御機能が作用する流量調整弁を介設せしめ
たことを特徴とするカウンターバランス弁。A counterbalance valve characterized in that a flow rate regulating valve is provided in the pilot line of the counterbalance valve, and the flow rate control function with pressure compensation acts only when the spool of the counterbalance valve performs a valve closing operation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4301283U JPS5947167U (en) | 1983-03-24 | 1983-03-24 | counter balance valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4301283U JPS5947167U (en) | 1983-03-24 | 1983-03-24 | counter balance valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5947167U true JPS5947167U (en) | 1984-03-29 |
| JPS62460Y2 JPS62460Y2 (en) | 1987-01-08 |
Family
ID=30173540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4301283U Granted JPS5947167U (en) | 1983-03-24 | 1983-03-24 | counter balance valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5947167U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05196006A (en) * | 1991-02-21 | 1993-08-06 | Heilmeier & Weinlein Fab Oel Hydraulik | Hydraulic controller |
-
1983
- 1983-03-24 JP JP4301283U patent/JPS5947167U/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05196006A (en) * | 1991-02-21 | 1993-08-06 | Heilmeier & Weinlein Fab Oel Hydraulik | Hydraulic controller |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62460Y2 (en) | 1987-01-08 |
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