JPS6324409U - - Google Patents
Info
- Publication number
- JPS6324409U JPS6324409U JP11816186U JP11816186U JPS6324409U JP S6324409 U JPS6324409 U JP S6324409U JP 11816186 U JP11816186 U JP 11816186U JP 11816186 U JP11816186 U JP 11816186U JP S6324409 U JPS6324409 U JP S6324409U
- Authority
- JP
- Japan
- Prior art keywords
- rod
- cushion
- sealing member
- annular groove
- wall surface
- 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
- 238000007789 sealing Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Actuator (AREA)
Description
第１図は、本考案に係るクツシヨン機構の実施
例のクツシヨン行程終期を示す一部切欠側面図、
第２図は同じく戻り行程初期を示す一部切欠側面
図、第３図は本考案の他実施例の戻り行程初期を
示す一部切欠側面図、第４図は、クツシヨンリン
グに生じる相対的な圧力分布を示す説明図、第５
図は油圧シリンダ全体を示す一部切欠側面図、第
６図は従来の油圧シリンダの要部を示す一部切欠
側面図である。
１……クツシヨンリング、３……ピストン、４
，７……連通溝、５……ロツド、５ａ……ロツド
段部、５ｂ……環状溝、８……シール部材、８ａ
……溝。
FIG. 1 is a partially cutaway side view showing the final stage of the cushion stroke of an embodiment of the cushion mechanism according to the present invention;
FIG. 2 is a partially cutaway side view showing the initial stage of the return stroke, FIG. 3 is a partially cutaway side view showing the early stage of the return stroke of another embodiment of the present invention, and FIG. 4 is a diagram showing the relative Explanatory diagram showing the pressure distribution, Part 5
The figure is a partially cutaway side view showing the entire hydraulic cylinder, and FIG. 6 is a partially cutaway side view showing the main parts of a conventional hydraulic cylinder. 1...Cushion ring, 3...Piston, 4
, 7... Communication groove, 5... Rod, 5a... Rod stepped portion, 5b... Annular groove, 8... Seal member, 8a
……groove.
Claims (1)
直径より大きい内径を有するクツシヨンリングを
配設し、該クツシヨンリングのロツド軸方向の両
端部に連通溝を設けると共に、該クツシヨンリン
グの内周面又はロツド周囲の略中央位置に環状溝
を配設し、該環状溝にシール部材を遊嵌し、該シ
ール部材のピストン側壁面に溝を設け、軸方向の
クツシヨン行程で前記シール部材の壁面が前記環
状溝の壁面に圧接することにより、クツシヨンリ
ングとロツドの間隙を閉塞するよう構成すること
を特徴とするチエツク機能付クツシヨン機構。 A cushion ring having an inner diameter larger than the diameter of the rod is disposed around the rod adjacent to the piston, and communication grooves are provided at both ends of the cushion ring in the axial direction of the rod. An annular groove is disposed approximately in the center of the surface or around the rod, a sealing member is loosely fitted into the annular groove, a groove is provided on the piston side wall surface of the sealing member, and the wall surface of the sealing member is formed in the axial cushion stroke. A cushion mechanism with a check function, characterized in that the cushion is configured to close the gap between the cushion ring and the rod by coming into pressure contact with the wall surface of the annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986118161U JPH062003Y2 (en) | 1986-07-31 | 1986-07-31 | Cushion mechanism with check function for fluid pressure cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986118161U JPH062003Y2 (en) | 1986-07-31 | 1986-07-31 | Cushion mechanism with check function for fluid pressure cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6324409U true JPS6324409U (en) | 1988-02-18 |
| JPH062003Y2 JPH062003Y2 (en) | 1994-01-19 |
Family
ID=31004353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986118161U Expired - Lifetime JPH062003Y2 (en) | 1986-07-31 | 1986-07-31 | Cushion mechanism with check function for fluid pressure cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH062003Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0241707U (en) * | 1988-09-14 | 1990-03-22 | ||
| JPH0336504U (en) * | 1989-08-23 | 1991-04-09 | ||
| JP2011094798A (en) * | 2009-10-28 | 2011-05-12 | Volvo Construction Equipment Ab | Hydraulic cylinder cushion including check ring |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536744U (en) * | 1978-08-31 | 1980-03-08 | ||
| JPS58149608U (en) * | 1982-04-01 | 1983-10-07 | 株式会社 阪上製作所 | Cushion device for fluid pressure cylinders |
| JPS6158709U (en) * | 1984-08-27 | 1986-04-19 |
-
1986
- 1986-07-31 JP JP1986118161U patent/JPH062003Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5536744U (en) * | 1978-08-31 | 1980-03-08 | ||
| JPS58149608U (en) * | 1982-04-01 | 1983-10-07 | 株式会社 阪上製作所 | Cushion device for fluid pressure cylinders |
| JPS6158709U (en) * | 1984-08-27 | 1986-04-19 |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0241707U (en) * | 1988-09-14 | 1990-03-22 | ||
| JPH0336504U (en) * | 1989-08-23 | 1991-04-09 | ||
| JP2011094798A (en) * | 2009-10-28 | 2011-05-12 | Volvo Construction Equipment Ab | Hydraulic cylinder cushion including check ring |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH062003Y2 (en) | 1994-01-19 |