JPS6342004U - - Google Patents
Info
- Publication number
- JPS6342004U JPS6342004U JP13629386U JP13629386U JPS6342004U JP S6342004 U JPS6342004 U JP S6342004U JP 13629386 U JP13629386 U JP 13629386U JP 13629386 U JP13629386 U JP 13629386U JP S6342004 U JPS6342004 U JP S6342004U
- Authority
- JP
- Japan
- Prior art keywords
- adjusting screw
- diameter portion
- ball
- tip
- contact surface
- 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
- Lifting Devices For Agricultural Implements (AREA)
- Lift Valve (AREA)
Description
第１図は本考案に係るフローコントロールバル
ブを示す断面図、第２図は他の実施例を示す断面
図、第３図ａ，ｂ，ｃはそのアジヤストスクリユ
ーとボールの移動状態を示す断面図である。
１……フローコントロールバルブ、３……丸孔
、５，６……油路、１０……アジヤストスクリユ
ー、１３……膨径部、１３ａ……当接面、２１…
…ボール、２２……チエツク弁。
Fig. 1 is a sectional view showing a flow control valve according to the present invention, Fig. 2 is a sectional view showing another embodiment, and Figs. 3 a, b, and c show the moving states of the adjusting screw and ball. FIG. DESCRIPTION OF SYMBOLS 1... Flow control valve, 3... Round hole, 5, 6... Oil passage, 10... Adjustment screw, 13... Expanded diameter part, 13a... Contact surface, 21...
...Ball, 22...Check valve.
Claims (1)
に連通する油路に、チエツク弁及びアジヤストス
クリユーを備え、該アジヤストスクリユーの先端
にて前記チエツク弁のボールを移動して、前記油
圧アクチユエータから油路に戻されるオイルの流
量を制御してなる作業車輌において、 前記アジヤストスクリユーの先端に膨径部を形
成し、かつ該膨径部の広がつた当接面を前記ボー
ルに当接するように構成した作業車輌におけるフ
ローコントロールバルブ。 (2) 前記アジヤストスクリユーの膨径部の当接
面における中心位置に凹部を形成してなる実用新
案登録請求の範囲第１項記載の作業車輌における
フローコントロールバルブ。[Claims for Utility Model Registration] (1) A check valve and an adjusting screw are provided in an oil passage communicating with a hydraulic actuator that raises and lowers a working machine, and the ball of the check valve is connected to the tip of the adjusting screw. The working vehicle is configured to control the flow rate of oil returned from the hydraulic actuator to the oil passage by moving the adjusting screw, the adjustment screw having a swollen diameter portion formed at the tip thereof, and a widening portion of the swollen diameter portion. A flow control valve for a work vehicle, the contact surface of which is configured to contact the ball. (2) A flow control valve for a working vehicle according to claim 1, wherein a recess is formed at the center of the contact surface of the enlarged diameter portion of the adjusting screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13629386U JPS6342004U (en) | 1986-09-05 | 1986-09-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13629386U JPS6342004U (en) | 1986-09-05 | 1986-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6342004U true JPS6342004U (en) | 1988-03-19 |
Family
ID=31039267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13629386U Pending JPS6342004U (en) | 1986-09-05 | 1986-09-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6342004U (en) |
-
1986
- 1986-09-05 JP JP13629386U patent/JPS6342004U/ja active Pending
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