JPS63166705U - - Google Patents
Info
- Publication number
- JPS63166705U JPS63166705U JP6013687U JP6013687U JPS63166705U JP S63166705 U JPS63166705 U JP S63166705U JP 6013687 U JP6013687 U JP 6013687U JP 6013687 U JP6013687 U JP 6013687U JP S63166705 U JPS63166705 U JP S63166705U
- Authority
- JP
- Japan
- Prior art keywords
- ring
- cushion
- outer periphery
- hydraulic cylinder
- piston rod
- 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図は本考案の一実施例に係る油圧シリンダ
の一部切欠き縦断正面図、第２図、第３図はリン
グストツパの実施例を示す斜視図、第４図はリン
グストツパの斜視図、第５図は従来の油圧シリン
ダの一部切欠き縦断面図である。
１……シリンダ、２……ピストン、３……ピス
トンロツド、４……ピストンナツト、５……ガイ
ドロツド、７……クツシヨンリング、１０……シ
リンダボトム、１２……クツシヨン孔、１３ａ，
１３ｂ……油室、１４……環状隙間、１５……リ
ングスペーサ、１６……環状溝、１７……リング
ストツパ。
FIG. 1 is a partially cutaway longitudinal sectional front view of a hydraulic cylinder according to an embodiment of the present invention, FIGS. 2 and 3 are perspective views showing an embodiment of a ring stopper, and FIG. 4 is a perspective view of a ring stopper. FIG. 5 is a partially cutaway vertical sectional view of a conventional hydraulic cylinder. 1... Cylinder, 2... Piston, 3... Piston rod, 4... Piston nut, 5... Guide rod, 7... Cushion ring, 10... Cylinder bottom, 12... Cushion hole, 13a,
13b... Oil chamber, 14... Annular gap, 15... Ring spacer, 16... Annular groove, 17... Ring stopper.
Claims (1)
ツドが移動自在に挿入され、ピストンロツドの端
部に設けたクツシヨンベアリングがシリンダボト
ムに設けたクツシヨン孔に嵌合して衝撃緩和を行
なう油圧シリンダに於て、前記ピストンロツドの
端部に小径なガイドロツドを形成し、当該ガイド
ロツドの外周にリング状スペーサとクツシヨンリ
ングを直列に挿入させ、更にガイドロツドに環状
溝を形成し、この環状溝内にリングストツパを嵌
合させ、このリングストツパの外周はクツシヨン
リングの先端内周に形成した環状の開口部内に係
合させ、前記リング状スペーサの外周はピストン
ロツドに螺合したピストンナツトの内周で保持さ
せたことを特徴とする油圧シリンダ。 (2) 小径部外周とクツシヨンリング間に任意の
油路用隙間が形成され、この隙間はクツシヨンリ
ングに設けた切欠きと連通している実用新案登録
請求の範囲第１項記載の油圧シリンダ。 (3) リング状スペーサとリングストツパが割リ
ングである実用新案登録請求の範囲第１項記載の
油圧シリンダ。 (4) リングスペーサとリングストツパがスリツ
ト入りのリングであるある実用新案登録請求の範
囲第１項記載の油圧シリンダ。[Claims for Utility Model Registration] (1) A piston rod is movably inserted into the cylinder via a piston, and a cushion bearing provided at the end of the piston rod fits into a cushion hole provided in the bottom of the cylinder, causing an impact. In a hydraulic cylinder for relaxation, a small-diameter guide rod is formed at the end of the piston rod, a ring-shaped spacer and a cushion ring are inserted in series on the outer periphery of the guide rod, and an annular groove is formed in the guide rod. A ring stopper is fitted into the annular groove, the outer periphery of the ring stopper is engaged with the annular opening formed on the inner periphery of the tip of the cushion ring, and the outer periphery of the ring spacer is engaged with the inner periphery of the piston nut screwed onto the piston rod. A hydraulic cylinder characterized by being held by the circumference. (2) The hydraulic system according to claim 1 of the utility model registration claim, in which an arbitrary gap for an oil passage is formed between the outer periphery of the small diameter part and the cushion ring, and this gap communicates with a notch provided in the cushion ring. Cylinder. (3) The hydraulic cylinder according to claim 1, wherein the ring-shaped spacer and the ring stopper are split rings. (4) The hydraulic cylinder according to claim 1, wherein the ring spacer and the ring stopper are rings with slits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987060136U JPH0741925Y2 (en) | 1987-04-21 | 1987-04-21 | Hydraulic cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987060136U JPH0741925Y2 (en) | 1987-04-21 | 1987-04-21 | Hydraulic cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63166705U true JPS63166705U (en) | 1988-10-31 |
| JPH0741925Y2 JPH0741925Y2 (en) | 1995-09-27 |
Family
ID=30892280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987060136U Expired - Lifetime JPH0741925Y2 (en) | 1987-04-21 | 1987-04-21 | Hydraulic cylinder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0741925Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155456A (en) * | 2010-07-23 | 2011-08-17 | 三一重工股份有限公司 | Hydraulic oil cylinder, hydraulic buffer system, excavator and concrete pump truck |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5335669U (en) * | 1976-09-02 | 1978-03-29 | ||
| JPS5983203U (en) * | 1982-11-26 | 1984-06-05 | 太陽鉄工株式会社 | Piston mounting device in fluid pressure cylinder |
| JPS60112704U (en) * | 1983-12-29 | 1985-07-30 | カヤバ工業株式会社 | Hydraulic cylinder cushion mechanism |
-
1987
- 1987-04-21 JP JP1987060136U patent/JPH0741925Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5335669U (en) * | 1976-09-02 | 1978-03-29 | ||
| JPS5983203U (en) * | 1982-11-26 | 1984-06-05 | 太陽鉄工株式会社 | Piston mounting device in fluid pressure cylinder |
| JPS60112704U (en) * | 1983-12-29 | 1985-07-30 | カヤバ工業株式会社 | Hydraulic cylinder cushion mechanism |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155456A (en) * | 2010-07-23 | 2011-08-17 | 三一重工股份有限公司 | Hydraulic oil cylinder, hydraulic buffer system, excavator and concrete pump truck |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0741925Y2 (en) | 1995-09-27 |