JPS6220206U - - Google Patents
Info
- Publication number
- JPS6220206U JPS6220206U JP1985112279U JP11227985U JPS6220206U JP S6220206 U JPS6220206 U JP S6220206U JP 1985112279 U JP1985112279 U JP 1985112279U JP 11227985 U JP11227985 U JP 11227985U JP S6220206 U JPS6220206 U JP S6220206U
- Authority
- JP
- Japan
- Prior art keywords
- side chamber
- rod
- cushion
- piston
- pipe
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Forklifts And Lifting Vehicles (AREA)
- Actuator (AREA)
Description
図面はこの考案の実施例を示すもので、第１図
はクツシヨンパイプがボトムに接触した状態の断
面図、第２図はピストンがストロークエンドに達
した状態の断面図、第３図は本考案の油圧シリン
ダをフオークリフトに利用したときの回路図、第
４図は従来のフオークリフトの回路図、第５図は
従来の油圧シリンダの断面図である。
２１…シリンダチユーブ、２２…ピストン、ｌ
…ロツド、２３…中空部、２４…クツシヨンパイ
プ、２８…小孔、２９…給排ポート、３０…ボト
ム側室、３２…ロツド側室。
The drawings show an embodiment of this invention. Figure 1 is a cross-sectional view of the cushion pipe in contact with the bottom, Figure 2 is a cross-sectional view of the piston when it reaches the end of its stroke, and Figure 3 is a cross-sectional view of the main body. A circuit diagram when the invented hydraulic cylinder is used in a forklift, FIG. 4 is a circuit diagram of a conventional forklift, and FIG. 5 is a sectional view of a conventional hydraulic cylinder. 21...Cylinder tube, 22...Piston, l
... Rod, 23 ... Hollow part, 24 ... Cushion pipe, 28 ... Small hole, 29 ... Supply and discharge port, 30 ... Bottom side chamber, 32 ... Rod side chamber.
Claims (1)
のピストンによつて当該シリンダチユーブ内をボ
トム側室とロツド側室とに区画する一方、上記ロ
ツドの中空部に摺動自在に挿入したクツシヨンパ
イプをボトム側室に突出させるとともに、このク
ツシヨンパイプの軸方向の摺動にともなつて実質
的な開口面積を可変にした絞りを形成してなり、
当該ピストンのボトム側室におけるストロークエ
ンド部分で、上記クツシヨンパイプがボトムに接
触し、このクツシヨンパイプの外側にクツシヨン
室を形成するとともに、このクツシヨン室を形成
した状態で、給排ポートがクツシヨンパイプを介
してロツドの中空部に連通する構成にした油圧シ
リンダのクツシヨン装置。 A piston is provided on the outer periphery of the hollow rod, and this piston divides the inside of the cylinder tube into a bottom side chamber and a rod side chamber, while a cushion pipe, which is slidably inserted into the hollow part of the rod, is inserted into the bottom side chamber. and a diaphragm whose substantial opening area can be varied as the cushion pipe slides in the axial direction.
At the stroke end portion of the bottom side chamber of the piston, the cushion pipe contacts the bottom, and a cushion chamber is formed on the outside of this cushion pipe. A hydraulic cylinder cushioning device configured to communicate with the hollow part of the rod via a pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985112279U JPH0542245Y2 (en) | 1985-07-22 | 1985-07-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985112279U JPH0542245Y2 (en) | 1985-07-22 | 1985-07-22 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6220206U true JPS6220206U (en) | 1987-02-06 |
| JPH0542245Y2 JPH0542245Y2 (en) | 1993-10-25 |
Family
ID=30993002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985112279U Expired - Lifetime JPH0542245Y2 (en) | 1985-07-22 | 1985-07-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542245Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS392235Y1 (en) * | 1962-10-20 | 1964-01-30 | ||
| JPS596247U (en) * | 1982-06-30 | 1984-01-14 | 三菱電機株式会社 | Input data display device |
-
1985
- 1985-07-22 JP JP1985112279U patent/JPH0542245Y2/ja not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS392235Y1 (en) * | 1962-10-20 | 1964-01-30 | ||
| JPS596247U (en) * | 1982-06-30 | 1984-01-14 | 三菱電機株式会社 | Input data display device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542245Y2 (en) | 1993-10-25 |