JPS6425511U - - Google Patents
Info
- Publication number
- JPS6425511U JPS6425511U JP12076787U JP12076787U JPS6425511U JP S6425511 U JPS6425511 U JP S6425511U JP 12076787 U JP12076787 U JP 12076787U JP 12076787 U JP12076787 U JP 12076787U JP S6425511 U JPS6425511 U JP S6425511U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- rod
- piston rod
- hydraulic cylinder
- side chamber
- 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
- Actuator (AREA)
Description
第１図は本考案の一実施例に係る油圧シリンダ
の縦断正面図、第２図、第３図は従来の油圧シリ
ンダの縦断正面図である。
１１……シリンダ、１２……ピストン、１２ａ
……ピストンロツド取付孔、１３……ピストンロ
ツド、１７……スプール、１８……スペーサ、２
０……通路、２１……チエツク弁、２２……シー
ル部材、２６……ストツパ、Ａ……反ロツド側室
、Ｂ……ロツド側室、Ｃ……クツシヨン室、Ｔ…
…タンク、Ｐ……油圧源、ａ，ｂ，ｃ，ｄ……オ
リフイス。
FIG. 1 is a longitudinal sectional front view of a hydraulic cylinder according to an embodiment of the present invention, and FIGS. 2 and 3 are longitudinal sectional front views of a conventional hydraulic cylinder. 11...Cylinder, 12...Piston, 12a
... Piston rod mounting hole, 13 ... Piston rod, 17 ... Spool, 18 ... Spacer, 2
0... Passage, 21... Check valve, 22... Seal member, 26... Stopper, A... Anti-rod side chamber, B... Rod side chamber, C... Cushion chamber, T...
...tank, P...hydraulic source, a, b, c, d...orifice.
Claims (1)
ツドが移動自在に挿入され、ピストンはシリンダ
内にロツド側室と反ロツド側室を区画し、ロツド
側室はタンクと常に接続され、反ロツド側室は油
圧源と接続し、ピストンロツドの伸切り近傍でロ
ツド側室に設けたクツシヨン発生機構を介してク
ツシヨンが効くようにした油圧シリンダに於て、
ピストンの中央にロツド取付孔を穿ち、このロツ
ド取付孔にピストンロツドの基端を差し込み、ピ
ストンロツドの基端はその外周に嵌着したストツ
パでロツド取付孔に結合され、更にピストンロツ
ド上面とピストンより突出するピストンロツド外
周部との間にシール部材を設けたことを特徴とす
る油圧シリンダ。 (2) ストツパがスナツプリングである実用新案
登録請求の範囲第１項記載の油圧シリンダ。 (3) シール部材がピストンロツド側に差し込ま
れる円筒部とピストン上面に当接するフランジ部
とからなる実用新案登録請求の範囲第１項記載の
油圧シリンダ。 (4) 円筒部とピストンロツド間にＯリングが介
装されている実用新案登録請求の範囲第１項記載
の油圧シリンダ。[Claims for Utility Model Registration] (1) A piston rod is movably inserted into the cylinder via a piston, the piston divides the cylinder into a rod side chamber and an anti-rod side chamber, and the rod side chamber is always connected to the tank; In a hydraulic cylinder, the anti-rod side chamber is connected to a hydraulic power source, and the cushion is activated via a cushion generating mechanism provided in the rod side chamber near the end of the piston rod extension.
A rod mounting hole is drilled in the center of the piston, and the base end of the piston rod is inserted into this rod mounting hole.The base end of the piston rod is connected to the rod mounting hole by a stopper fitted on its outer periphery, and further protrudes from the top surface of the piston rod and the piston. A hydraulic cylinder characterized in that a sealing member is provided between the piston rod and the outer circumference. (2) The hydraulic cylinder according to claim 1, wherein the stopper is a snap spring. (3) The hydraulic cylinder according to claim 1, which is a utility model, and comprises a cylindrical portion into which the sealing member is inserted into the piston rod side, and a flange portion which abuts against the upper surface of the piston. (4) The hydraulic cylinder according to claim 1, wherein an O-ring is interposed between the cylindrical portion and the piston rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12076787U JPS6425511U (en) | 1987-08-06 | 1987-08-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12076787U JPS6425511U (en) | 1987-08-06 | 1987-08-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6425511U true JPS6425511U (en) | 1989-02-13 |
Family
ID=31367170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12076787U Pending JPS6425511U (en) | 1987-08-06 | 1987-08-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6425511U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009270605A (en) * | 2008-05-02 | 2009-11-19 | Koganei Corp | Pneumatic cylinder |
| JP2016535839A (en) * | 2013-10-24 | 2016-11-17 | ビーワイディー カンパニー リミテッドＢｙｄ Ｃｏｍｐａｎｙ Ｌｉｍｉｔｅｄ | One-way damping plunger cylinder and forklift having the same |
-
1987
- 1987-08-06 JP JP12076787U patent/JPS6425511U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009270605A (en) * | 2008-05-02 | 2009-11-19 | Koganei Corp | Pneumatic cylinder |
| JP2016535839A (en) * | 2013-10-24 | 2016-11-17 | ビーワイディー カンパニー リミテッドＢｙｄ Ｃｏｍｐａｎｙ Ｌｉｍｉｔｅｄ | One-way damping plunger cylinder and forklift having the same |