JPS5869101U - Oil spill prevention device in hydraulic unit - Google Patents
Oil spill prevention device in hydraulic unitInfo
- Publication number
- JPS5869101U JPS5869101U JP16433581U JP16433581U JPS5869101U JP S5869101 U JPS5869101 U JP S5869101U JP 16433581 U JP16433581 U JP 16433581U JP 16433581 U JP16433581 U JP 16433581U JP S5869101 U JPS5869101 U JP S5869101U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- hydraulic unit
- fitted
- oil
- prevention device
- 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
- Jet Pumps And Other Pumps (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の装置を示す配管図、第２図は本考案に係
る油圧ユ子ットにおける油流出防止装置の一実施例を示
す要部の断面図を夫々示す。
尚、図中１は作動油タンク、７は戻り管、１２はバルブ
ボックス、１４は弁座、１７はストッパー、１８は作動
部、２０は小孔、２３はシート部、２４は弁体、２６は
小孔、２Ｂは油止め弁、３１は小孔である。FIG. 1 is a piping diagram showing a conventional device, and FIG. 2 is a sectional view of essential parts showing an embodiment of an oil spill prevention device in a hydraulic unit according to the present invention. In the figure, 1 is a hydraulic oil tank, 7 is a return pipe, 12 is a valve box, 14 is a valve seat, 17 is a stopper, 18 is an operating part, 20 is a small hole, 23 is a seat part, 24 is a valve body, 26 2B is a small hole, 2B is an oil stop valve, and 31 is a small hole.
Claims (1)
使用する油圧ユニットにおいて、戻り管７の最高所に上
端を大気中各戸開口するバルブボックス１２を垂直に固
定し、このバルブボックス１２内に突設した弁座１４の
上部に、下面に作動部１８を有し、中央に小孔２０を上
下面に亘って設けたストッパー１７を昇降自在に嵌合し
、弁座１４の下部に、弁座１４に当接する截頭円錐形の
シート部２３を有し、側壁に複数個の小孔２６を設けた
帽子状の弁体２４を嵌合し、最下部に、中央に弁体２４
内と連通ずる小孔２９を有し上面を弁体２４の下面に当
接する油止め弁２８を嵌合して成る油圧ユニットにおけ
る油流出防止装置。In a hydraulic unit that circulates oil by installing equipment at a lower position than the hydraulic oil tank 1, a valve box 12 whose upper end is opened to the atmosphere is fixed vertically at the highest point of the return pipe 7. A stopper 17 having an actuating part 18 on the lower surface and a small hole 20 in the center extending over the upper and lower surfaces is fitted into the upper part of the valve seat 14 that protrudes inward, and is movably fit into the lower part of the valve seat 14. , has a truncated conical seat portion 23 that comes into contact with the valve seat 14, and a cap-shaped valve body 24 with a plurality of small holes 26 provided in the side wall is fitted, and the valve body 24 is placed at the bottom and in the center.
An oil spill prevention device in a hydraulic unit, which is fitted with an oil stop valve 28 having a small hole 29 that communicates with the inside and whose upper surface abuts the lower surface of a valve body 24.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16433581U JPS5869101U (en) | 1981-11-05 | 1981-11-05 | Oil spill prevention device in hydraulic unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16433581U JPS5869101U (en) | 1981-11-05 | 1981-11-05 | Oil spill prevention device in hydraulic unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5869101U true JPS5869101U (en) | 1983-05-11 |
| JPS6220727Y2 JPS6220727Y2 (en) | 1987-05-27 |
Family
ID=29956588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16433581U Granted JPS5869101U (en) | 1981-11-05 | 1981-11-05 | Oil spill prevention device in hydraulic unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5869101U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54133601A (en) * | 1978-04-10 | 1979-10-17 | Hitachi Ltd | Water feeding devive |
-
1981
- 1981-11-05 JP JP16433581U patent/JPS5869101U/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54133601A (en) * | 1978-04-10 | 1979-10-17 | Hitachi Ltd | Water feeding devive |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6220727Y2 (en) | 1987-05-27 |
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