JPS63160410U - - Google Patents
Info
- Publication number
- JPS63160410U JPS63160410U JP5298587U JP5298587U JPS63160410U JP S63160410 U JPS63160410 U JP S63160410U JP 5298587 U JP5298587 U JP 5298587U JP 5298587 U JP5298587 U JP 5298587U JP S63160410 U JPS63160410 U JP S63160410U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- hydraulic cylinder
- passage
- cylinder
- annular groove
- 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
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- Actuator (AREA)
Description
第１図は本考案の一実施例に係る油圧シリンダ
の一部縦断正面図、第２図、第３図は軸受シール
の作動を示す拡大断面図、第４図は他の実施例に
係る軸受シールの略示平面図である。
１……シリンダ、７……ピストン部、８……ピ
ストンロツド、９，１０……油室、１２……軸受
シール、１３……切欠き通路、１５……環状溝、
１６，１７……通路。
Fig. 1 is a partially vertical front view of a hydraulic cylinder according to an embodiment of the present invention, Figs. 2 and 3 are enlarged sectional views showing the operation of a bearing seal, and Fig. 4 is a bearing according to another embodiment. FIG. 3 is a schematic plan view of the seal. DESCRIPTION OF SYMBOLS 1... Cylinder, 7... Piston part, 8... Piston rod, 9, 10... Oil chamber, 12... Bearing seal, 13... Notch passage, 15... Annular groove,
16, 17...Aisle.
Claims (1)
ロツドが移動自在に挿入され、ピストン部はシリ
ンダ内に二つの油室を区画し、二つの油室はピス
トンロツドに形成した通路を介して連通させた油
圧シリンダに於て、ピストンの外周に環状溝を形
成し、この環状溝内に環状の軸受シールを軸方向
移動自在に挿入させ、当該軸受シールの一端に切
欠き通路を形成した油圧シリンダのクツシヨン装
置。 (2) 切欠き通路がロツド側の油室に対向してい
る実用新案登録請求の範囲第１項記載の油圧シリ
ンダのクツシヨン装置。[Claims for Utility Model Registration] (1) A piston rod is movably inserted into the cylinder via a piston part, the piston part defines two oil chambers in the cylinder, and the two oil chambers are formed in the piston rod. In a hydraulic cylinder that communicates with the piston through a passage, an annular groove is formed on the outer periphery of the piston, an annular bearing seal is inserted into the annular groove so as to be movable in the axial direction, and a notch passage is provided at one end of the bearing seal. Hydraulic cylinder cushioning device. (2) A cushion device for a hydraulic cylinder according to claim 1, wherein the cutout passage faces the oil chamber on the rod side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987052985U JPH0743454Y2 (en) | 1987-04-08 | 1987-04-08 | Cushion device for hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987052985U JPH0743454Y2 (en) | 1987-04-08 | 1987-04-08 | Cushion device for hydraulic cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63160410U true JPS63160410U (en) | 1988-10-20 |
| JPH0743454Y2 JPH0743454Y2 (en) | 1995-10-09 |
Family
ID=30878636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987052985U Expired - Lifetime JPH0743454Y2 (en) | 1987-04-08 | 1987-04-08 | Cushion device for hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743454Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57178098U (en) * | 1981-04-30 | 1982-11-11 | ||
| JPS6217406A (en) * | 1985-07-16 | 1987-01-26 | Sakagami Seisakusho:Kk | Cushion seal |
-
1987
- 1987-04-08 JP JP1987052985U patent/JPH0743454Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57178098U (en) * | 1981-04-30 | 1982-11-11 | ||
| JPS6217406A (en) * | 1985-07-16 | 1987-01-26 | Sakagami Seisakusho:Kk | Cushion seal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0743454Y2 (en) | 1995-10-09 |