JPS63190604U - - Google Patents
Info
- Publication number
- JPS63190604U JPS63190604U JP8477087U JP8477087U JPS63190604U JP S63190604 U JPS63190604 U JP S63190604U JP 8477087 U JP8477087 U JP 8477087U JP 8477087 U JP8477087 U JP 8477087U JP S63190604 U JPS63190604 U JP S63190604U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- check valve
- fluid
- hydraulic
- cushion
- 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
- 239000012530 fluid Substances 0.000 claims description 10
- 238000010586 diagram Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
Landscapes
- Actuator (AREA)
Description
第１図は本考案の実施例の液圧シリンダ駆動装
置の油圧回路図、第２図は本考案の実施例の一部
切欠き油圧回路図、第３図は本考案に係るクツシ
ヨン装置の断面図、第４図は従来装置の一部切欠
き断面図である。
３…シリンダ液室、７…クツシヨン装置、８…
シリンダ端部、１０…作動液給排通路、１１…ピ
ストン、１２…クツシヨンリング、１３…摺動孔
、１４…チエツク弁、１６…通路、１７…チエツ
ク弁、１８…ばね室、２２…クツシヨン弁。
Fig. 1 is a hydraulic circuit diagram of a hydraulic cylinder drive device according to an embodiment of the present invention, Fig. 2 is a partially cutaway hydraulic circuit diagram of an embodiment of the present invention, and Fig. 3 is a cross section of a cushion device according to the present invention. 4 are partially cutaway sectional views of the conventional device. 3...Cylinder liquid chamber, 7...Cushion device, 8...
Cylinder end, 10... Hydraulic fluid supply/discharge passage, 11... Piston, 12... Cushion ring, 13... Sliding hole, 14... Check valve, 16... Passage, 17... Check valve, 18... Spring chamber, 22... Cushion valve.
Claims (1)
とをピストンのクツシヨンリングが突入する摺動
孔及びシリンダ液室への流体流れのみ許すチエツ
ク弁で連通し、前記シリンダ液室をタンクに接続
する通路にシリンダ液室からの作動液のタンクへ
の流体流れのみ許すチエツク弁とこのチエツク弁
の下流にクツシヨン弁を設け、さらに、前記チエ
ツク弁のばね室を前記作動液給排通路に接続した
ことを特徴とする液圧シリンダのクツシヨン装置
。 The hydraulic fluid supply/discharge path at the end of the cylinder and the cylinder fluid chamber are communicated through a sliding hole into which the piston's cushion ring enters, and a check valve that allows fluid to flow only into the cylinder fluid chamber, and the cylinder fluid chamber is connected to the tank. A check valve that only allows fluid to flow from the cylinder fluid chamber to the tank, and a cushion valve downstream of this check valve are provided in the passage where the hydraulic fluid flows, and the spring chamber of the check valve is connected to the hydraulic fluid supply and discharge passage. A cushion device for a hydraulic cylinder, characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8477087U JPH0542246Y2 (en) | 1987-05-29 | 1987-05-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8477087U JPH0542246Y2 (en) | 1987-05-29 | 1987-05-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63190604U true JPS63190604U (en) | 1988-12-08 |
| JPH0542246Y2 JPH0542246Y2 (en) | 1993-10-25 |
Family
ID=30939570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8477087U Expired - Lifetime JPH0542246Y2 (en) | 1987-05-29 | 1987-05-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0542246Y2 (en) |
-
1987
- 1987-05-29 JP JP8477087U patent/JPH0542246Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0542246Y2 (en) | 1993-10-25 |