JPH01113603U - - Google Patents
Info
- Publication number
- JPH01113603U JPH01113603U JP823588U JP823588U JPH01113603U JP H01113603 U JPH01113603 U JP H01113603U JP 823588 U JP823588 U JP 823588U JP 823588 U JP823588 U JP 823588U JP H01113603 U JPH01113603 U JP H01113603U
- Authority
- JP
- Japan
- Prior art keywords
- cushion
- cushion packing
- fluid pressure
- side wall
- pressure cylinder
- 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
- 238000012856 packing Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Actuator (AREA)
Description
図面は本願の実施例を示すもので、第１図は断
面図、第２図は第１図の左半分がａ―ａ線位
置で、右半分が第１図のｂ―ｂ線位置で夫々
断面にした状態を示す断面図、第３図は第１図の
―線拡大断面図、第４図は第３図のクツシヨ
ンパツキンを２２．５度回転させた状態を示す断
面図、第５図は第３図の―線断面図、第６図
は第５図の作動を示す断面図、第７図はピストン
のストロークと速度との関係を示すグラフ、第８
図は従来のクツシヨン装置を示す断面図である。
１……流体圧シリンダ、５……エンドキヤツプ
、６……ピストン、１６……嵌入穴、１７……環
状溝、１８……側壁、１８ａ……切欠溝、２０…
…クツシヨンパツキン、２０ａ……凹溝、２５…
…嵌入突部、２６……クツシヨン室。
The drawings show an embodiment of the present application, and FIG. 1 is a cross-sectional view, and FIG. 2 shows the left half of FIG. 1 at the a-a line, and the right half at the bb line of FIG. 3 is an enlarged sectional view taken along the line - - in FIG. 1; FIG. 4 is a sectional view showing the cushion packing in FIG. 3 rotated by 22.5 degrees; The figure is a cross-sectional view taken along the line -- in Fig. 3, Fig. 6 is a sectional view showing the operation of Fig. 5, Fig. 7 is a graph showing the relationship between piston stroke and speed, and Fig. 8 is a sectional view showing the operation of Fig. 5.
The figure is a sectional view showing a conventional cushion device. DESCRIPTION OF SYMBOLS 1... Fluid pressure cylinder, 5... End cap, 6... Piston, 16... Fitting hole, 17... Annular groove, 18... Side wall, 18a... Notch groove, 20...
...Cushion packing, 20a...Concave groove, 25...
...Inset projection, 26...Cushion chamber.
Claims (1)
の対向面の一方に嵌入穴を、他方にその嵌入穴に
嵌入可能な嵌入突部を夫々設け、その嵌入穴の穴
入口近くの内周面に環状溝を設け、その環状溝に
環状のクツシヨンパツキンを径方向とシリンダ軸
線方向とに夫々移動自在に嵌装してある流体圧シ
リンダのクツシヨン装置において、上記環状溝の
穴入口側の側壁に内周面から溝底迄の深さでかつ
クツシヨンパツキンの厚みより大きい幅を有する
複数の切欠溝を夫々側壁の両側を連通させるよう
に設け、上記クツシヨンパツキンの外周面にはク
ツシヨンパツキンの両側を連通させる複数の凹溝
をクツシヨンパツキンが上記側壁に当接した状態
で上記切欠溝にまつすぐ連通するように設けて成
ることを特徴とする流体圧シリンダのクツシヨン
装置。 A fitting hole is provided on one side of the facing surface of the end cap and the piston of the fluid pressure cylinder, a fitting protrusion that can be fitted into the fitting hole is provided on the other side, and an annular groove is formed on the inner circumferential surface near the hole entrance of the fitting hole. In a cushion device for a fluid pressure cylinder, in which an annular cushion packing is fitted into the annular groove so as to be movable in the radial direction and in the cylinder axial direction, an inner circumferential surface is provided on the side wall on the hole entrance side of the annular groove. A plurality of notched grooves each having a depth from the bottom to the groove bottom and a width larger than the thickness of the cushion packing are provided so as to communicate with both sides of the side wall, and the outer peripheral surface of the cushion packing is provided with a plurality of notched grooves having a width larger than the thickness of the cushion packing. A cushion device for a fluid pressure cylinder, characterized in that a plurality of communicating concave grooves are provided so as to directly communicate with the notch grooves when the cushion packing is in contact with the side wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP823588U JPH074325Y2 (en) | 1988-01-26 | 1988-01-26 | Cushion device for fluid pressure cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP823588U JPH074325Y2 (en) | 1988-01-26 | 1988-01-26 | Cushion device for fluid pressure cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01113603U true JPH01113603U (en) | 1989-07-31 |
| JPH074325Y2 JPH074325Y2 (en) | 1995-02-01 |
Family
ID=31213929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP823588U Expired - Lifetime JPH074325Y2 (en) | 1988-01-26 | 1988-01-26 | Cushion device for fluid pressure cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH074325Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04113306U (en) * | 1991-03-20 | 1992-10-02 | エスエムシー株式会社 | Two-speed hydraulic cylinder |
| JPH0596513U (en) * | 1992-05-27 | 1993-12-27 | エスエムシー株式会社 | Cylinder cushion device |
| JPH0596509U (en) * | 1992-05-27 | 1993-12-27 | エスエムシー株式会社 | Acceleration / deceleration device for rodless cylinder |
-
1988
- 1988-01-26 JP JP823588U patent/JPH074325Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04113306U (en) * | 1991-03-20 | 1992-10-02 | エスエムシー株式会社 | Two-speed hydraulic cylinder |
| JPH0596513U (en) * | 1992-05-27 | 1993-12-27 | エスエムシー株式会社 | Cylinder cushion device |
| JPH0596509U (en) * | 1992-05-27 | 1993-12-27 | エスエムシー株式会社 | Acceleration / deceleration device for rodless cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH074325Y2 (en) | 1995-02-01 |