JPH045482U - - Google Patents
Info
- Publication number
- JPH045482U JPH045482U JP4389090U JP4389090U JPH045482U JP H045482 U JPH045482 U JP H045482U JP 4389090 U JP4389090 U JP 4389090U JP 4389090 U JP4389090 U JP 4389090U JP H045482 U JPH045482 U JP H045482U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic jack
- cylinder
- ring
- reinforcing ring
- jack according
- 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.)
- Pending
Links
- 230000003014 reinforcing effect Effects 0.000 claims 3
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は第１実施例に係かる油圧ジヤツキの断
面側面図、第２図は同・平面図、第３図は第２実
施例に係かる油圧ジヤツキの断面側面図、第４図
は同・平面図、第５図は第３実施例に係かる油圧
ジヤツキの断面側面図、第６図は同・平面図、第
７図は従来の油圧ジヤツキの断面側面図、第８図
は同・平面図である。
尚図中１，１１，２１，３１……油圧ジヤツキ
、２，１２……シリンダー、２Ａ，１２Ａ……外
周部、３，１３……ピストン、３Ｂ，１３Ｂ……
鍔部、４，１４……前進用油室、５，１５……後
退用油室、１６，２６，３６……補強リング、Ｒ
１，Ｒ２，Ｒ３，Ｒ４……Ｏリングである。
FIG. 1 is a cross-sectional side view of the hydraulic jack according to the first embodiment, FIG. 2 is a plan view thereof, FIG. 3 is a cross-sectional side view of the hydraulic jack according to the second embodiment, and FIG. 4 is the same top view.・A plan view, FIG. 5 is a sectional side view of the hydraulic jack according to the third embodiment, FIG. 6 is a sectional side view of the same, FIG. 7 is a sectional side view of the conventional hydraulic jack, and FIG. FIG. In the figure, 1, 11, 21, 31...Hydraulic jack, 2, 12...Cylinder, 2A, 12A...Outer periphery, 3, 13...Piston, 3B, 13B...
Flange, 4, 14...Forward oil chamber, 5,15...Reverse oil chamber, 16,26,36...Reinforcement ring, R
1, R2, R3, R4...O-rings.
Claims (1)
る補強リングをシリンダーの軸線方向に間隔をお
いて複数取り付けた、 ことを特徴とする油圧ジヤツキ。 (2) 前記補強リングはテーパねじでシリンダー
の外周部に結合されている請求項１記載の油圧ジ
ヤツキ。 (3) 前記補強リングはシリンダーの周方向に分
割可能な複数のリング片と、各リング片の端部を
締結する締結手段で構成されている請求項１記載
の油圧ジヤツキ。 (4) 前記補強リングはシリンダーの外周部に溶
着されている請求項１記載の油圧ジヤツキ。[Claims for Utility Model Registration] (1) A hydraulic jack comprising: a cylinder; a piston fitted in the cylinder; A hydraulic jack characterized by having multiple installed at intervals in the direction. (2) The hydraulic jack according to claim 1, wherein the reinforcing ring is connected to the outer circumference of the cylinder by a tapered screw. (3) The hydraulic jack according to claim 1, wherein the reinforcing ring is comprised of a plurality of ring pieces that can be divided in the circumferential direction of the cylinder, and fastening means for fastening ends of each ring piece. (4) The hydraulic jack according to claim 1, wherein the reinforcing ring is welded to the outer circumference of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4389090U JPH045482U (en) | 1990-04-23 | 1990-04-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4389090U JPH045482U (en) | 1990-04-23 | 1990-04-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH045482U true JPH045482U (en) | 1992-01-20 |
Family
ID=31556698
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4389090U Pending JPH045482U (en) | 1990-04-23 | 1990-04-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH045482U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022524148A (en) * | 2019-03-09 | 2022-04-27 | ムーン カイ コー，スタンリー | High pressure barrel |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0219669A (en) * | 1988-07-07 | 1990-01-23 | Mitsubishi Electric Corp | Reciprocating enclosed compressor |
-
1990
- 1990-04-23 JP JP4389090U patent/JPH045482U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0219669A (en) * | 1988-07-07 | 1990-01-23 | Mitsubishi Electric Corp | Reciprocating enclosed compressor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2022524148A (en) * | 2019-03-09 | 2022-04-27 | ムーン カイ コー，スタンリー | High pressure barrel |