JPS6435202U - - Google Patents
Info
- Publication number
- JPS6435202U JPS6435202U JP9742688U JP9742688U JPS6435202U JP S6435202 U JPS6435202 U JP S6435202U JP 9742688 U JP9742688 U JP 9742688U JP 9742688 U JP9742688 U JP 9742688U JP S6435202 U JPS6435202 U JP S6435202U
- Authority
- JP
- Japan
- Prior art keywords
- tube
- pressure chamber
- piston rod
- low pressure
- piston
- 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
Landscapes
- Actuator (AREA)
Description
第１図はこの考案に係る油圧シリンダのヘツド
部を示す断面図、第２図は従来の油圧シリンダの
ヘツド部を示す断面図である。
１……チユーブ、２……ピストン、５……ピス
トンロツド、６……クツシヨンスリーブ、９……
低圧室、１０……高圧室、１１……球面軸受外輪
、１２……球面軸受内輪、１３……摺動部材、１
４，１５……孔、１６……油路、１７……安全弁
。
FIG. 1 is a sectional view showing the head portion of a hydraulic cylinder according to this invention, and FIG. 2 is a sectional view showing the head portion of a conventional hydraulic cylinder. 1...Tube, 2...Piston, 5...Piston rod, 6...Cushion sleeve, 9...
Low pressure chamber, 10... High pressure chamber, 11... Spherical bearing outer ring, 12... Spherical bearing inner ring, 13... Sliding member, 1
4, 15...hole, 16...oil passage, 17...safety valve.
Claims (1)
されたピストンと、上記ピストンの側面に取り付
けられかつ上記チユーブのヘツド部を貫通したピ
ストンロツドと、上記チユーブのヘツド部に設け
られた低圧室と、上記ピストンロツドの基部に取
り付けられかつ上記ピストンおよび上記ピストン
ロツドの移動により上記低圧室内に挿入されるク
ツシヨンスリーブと、上記ピストンロツドをその
軸方向に摺動可能に支持するために上記チユーブ
のヘツド部に配置されかつ上記低圧室と連通され
た軸受とを有する油圧シリンダにおいて、上記軸
受として上記ピストンロツドが貫通する内周面に
摺動部材を有する球面軸受を用い、上記球面軸受
に孔を設けるとともに、上記孔と上記低圧室内に
上記クツシヨンスリーブが挿入されたときに形成
される高圧室とを連通する油路を設け、上記孔、
上記油路の少なくとも一方に安全弁または絞りを
設けたことを特徴とする油圧シリンダ。 a tube, a piston slidably inserted into the tube, a piston rod attached to a side surface of the piston and passing through a head portion of the tube, a low pressure chamber provided in the head portion of the tube; a cushion sleeve attached to the base of the piston rod and inserted into the low pressure chamber by movement of the piston and the piston rod; and a cushion sleeve disposed at the head of the tube for slidably supporting the piston rod in the axial direction thereof. and a hydraulic cylinder having a bearing communicating with the low pressure chamber, wherein a spherical bearing having a sliding member on the inner circumferential surface through which the piston rod passes is used as the bearing, a hole is provided in the spherical bearing, and a hole is provided in the spherical bearing; An oil passage communicating with the high pressure chamber formed when the cushion sleeve is inserted into the low pressure chamber is provided;
A hydraulic cylinder, characterized in that at least one of the oil passages is provided with a safety valve or a throttle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9742688U JPH0125762Y2 (en) | 1988-07-25 | 1988-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9742688U JPH0125762Y2 (en) | 1988-07-25 | 1988-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6435202U true JPS6435202U (en) | 1989-03-03 |
| JPH0125762Y2 JPH0125762Y2 (en) | 1989-08-02 |
Family
ID=31322888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9742688U Expired JPH0125762Y2 (en) | 1988-07-25 | 1988-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0125762Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012229759A (en) * | 2011-04-27 | 2012-11-22 | Smc Corp | Wear ring used in linear actuator |
-
1988
- 1988-07-25 JP JP9742688U patent/JPH0125762Y2/ja not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012229759A (en) * | 2011-04-27 | 2012-11-22 | Smc Corp | Wear ring used in linear actuator |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0125762Y2 (en) | 1989-08-02 |