JPS6327761U - - Google Patents
Info
- Publication number
- JPS6327761U JPS6327761U JP12054486U JP12054486U JPS6327761U JP S6327761 U JPS6327761 U JP S6327761U JP 12054486 U JP12054486 U JP 12054486U JP 12054486 U JP12054486 U JP 12054486U JP S6327761 U JPS6327761 U JP S6327761U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- wedge
- mounting shaft
- rod
- hydraulic 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.)
- Pending
Links
Landscapes
- Actuator (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Description
第１図は本考案の第１実施例を示す要部断面図
、第２図は第１図の―線断面図、第３図は本
考案の第２実施例を示す要部断面図、第４図は第
３図の―線断面図、第５図は本考案の第３実
施例を示す要部断面図、第６図は第５図の―
線断面図、第７図、第８図はそれぞれ従来例を示
す要部断面図である。
１０……油圧シリンダ、２０……ロツド、２１
……ピストン取付け用軸部、２２……雄ねじ部、
２３……段部、３０，３０ａ，３０ｂ……ピスト
ン、３１……テーパキー溝、３２……ピストンの
一側面、３４……テーパ状環状溝、３６，３８ａ
……テーパ状締付け部、４０……テーパキー（楔
体）、４１……テーパ状スリーブ（楔体）、５０
……締付けナツト、５２……小ナツト、５４……
大ナツト。
FIG. 1 is a sectional view of a main part showing a first embodiment of the present invention, FIG. 2 is a sectional view taken along the line -- in FIG. 1, and FIG. Figure 4 is a cross-sectional view taken along line - of Figure 3, Figure 5 is a cross-sectional view of main parts showing the third embodiment of the present invention, and Figure 6 is a - line sectional view of Figure 5.
The line sectional view, FIG. 7, and FIG. 8 are sectional views of main parts showing a conventional example, respectively. 10... Hydraulic cylinder, 20... Rod, 21
...Piston mounting shaft part, 22...Male thread part,
23...Step part, 30, 30a, 30b...Piston, 31...Tapered keyway, 32...One side of the piston, 34...Tapered annular groove, 36, 38a
... Tapered tightening part, 40 ... Taper key (wedge), 41 ... Tapered sleeve (wedge), 50
...Tightening nut, 52...Small nut, 54...
Big nut.
Claims (1)
め用段部を介してロツド本体径より小径のピスト
ン取付け用軸部が設けられ、さらにその先端にピ
ストン締付け用雄ねじ部が設けられ、ピストン取
付け用軸部にピストンが嵌合され、このピストン
とピストン取付け用軸部との間に楔体が設けられ
、上記雄ねじ部に螺嵌された締付けナツトによつ
てピストンおよび楔体が締付けられ、ピストンが
上記段部に圧接されて軸方向の位置決めがなされ
ているとともに、楔体により径方向の位置決めが
なされていることを特徴とする油圧シリンダのピ
ストン取付け構造。 A piston mounting shaft portion with a diameter smaller than the rod body diameter is provided at one end of the rod of the hydraulic cylinder via a piston positioning stepped portion, and a male threaded portion for tightening the piston is provided at the tip of the rod, and the piston is attached to the piston mounting shaft portion. is fitted, a wedge is provided between the piston and the piston mounting shaft, the piston and the wedge are tightened by a tightening nut screwed into the male thread, and the piston is fitted onto the step. A piston mounting structure for a hydraulic cylinder, characterized in that axial positioning is achieved by pressure contact, and radial positioning is achieved by a wedge body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12054486U JPS6327761U (en) | 1986-08-05 | 1986-08-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12054486U JPS6327761U (en) | 1986-08-05 | 1986-08-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6327761U true JPS6327761U (en) | 1988-02-23 |
Family
ID=31008956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12054486U Pending JPS6327761U (en) | 1986-08-05 | 1986-08-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6327761U (en) |
-
1986
- 1986-08-05 JP JP12054486U patent/JPS6327761U/ja active Pending