JPH02142785U - - Google Patents
Info
- Publication number
- JPH02142785U JPH02142785U JP5095789U JP5095789U JPH02142785U JP H02142785 U JPH02142785 U JP H02142785U JP 5095789 U JP5095789 U JP 5095789U JP 5095789 U JP5095789 U JP 5095789U JP H02142785 U JPH02142785 U JP H02142785U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- tank
- ram
- erected
- base
- 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
- 239000010720 hydraulic oil Substances 0.000 claims 1
Landscapes
- Actuator (AREA)
Description
第１図はこの考案の一実施例に係る油圧ジヤツ
キを部分的に示す正面図、第２図はその一部を拡
大して示す部分断面図、第３図及び第４図はそれ
ぞれその作動状態を示す部分断面図、第５図は従
来例としての油圧ジヤツキを一部破断して示す断
面図である。
符号の説明、１……ベース、２……タンク、３
……シリンダ、４……ラム、４ａ……連通孔、５
………プランジヤ機構、８……リリーズバルブ、
９……ベアリング。
Fig. 1 is a front view partially showing a hydraulic jack according to an embodiment of this invention, Fig. 2 is a partially sectional view showing an enlarged part of the hydraulic jack, and Figs. 3 and 4 show its operating state, respectively. FIG. 5 is a partially cutaway sectional view of a conventional hydraulic jack. Explanation of symbols, 1...base, 2...tank, 3
...Cylinder, 4...Ram, 4a...Communication hole, 5
...Plunger mechanism, 8...Release valve,
9...Bearing.
Claims (1)
ク内に立設されるシリンダと、該シリンダ内に上
下動可能に収装されるラムと、上記ベースに連設
されたプランジヤ機構と、を有してなると共に、
プランジヤ機構の駆動でタンク内の作動油をシリ
ンダ内に供給し該シリンダ内でラムを上昇させる
ように形成されてなる油圧ジヤツキにおいて、シ
リンダ内の油圧を解放してラムを下降させるリリ
ーズバルブがタンク及びシリンダの上端側を閉塞
しかつその軸芯部でラムを上下に摺動させるベア
リング部材内に配設されてなることを特徴とする
油圧ジヤツキ。 A tank erected on a base on the lower end side, a cylinder erected in the tank, a ram housed in the cylinder so as to be movable up and down, and a plunger mechanism connected to the base. As well as having
In a hydraulic jack that is configured to supply hydraulic oil in a tank to a cylinder and raise a ram within the cylinder by driving a plunger mechanism, a release valve that releases hydraulic pressure in the cylinder and lowers the ram is located in the tank. and a hydraulic jack, characterized in that it is disposed within a bearing member that closes the upper end side of the cylinder and allows the ram to slide up and down on its axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5095789U JPH0540074Y2 (en) | 1989-04-28 | 1989-04-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5095789U JPH0540074Y2 (en) | 1989-04-28 | 1989-04-28 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02142785U true JPH02142785U (en) | 1990-12-04 |
| JPH0540074Y2 JPH0540074Y2 (en) | 1993-10-12 |
Family
ID=31569956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5095789U Expired - Lifetime JPH0540074Y2 (en) | 1989-04-28 | 1989-04-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0540074Y2 (en) |
-
1989
- 1989-04-28 JP JP5095789U patent/JPH0540074Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0540074Y2 (en) | 1993-10-12 |