JPH1182424A - Cylinder - Google Patents

Cylinder

Info

Publication number
JPH1182424A
JPH1182424A JP25148497A JP25148497A JPH1182424A JP H1182424 A JPH1182424 A JP H1182424A JP 25148497 A JP25148497 A JP 25148497A JP 25148497 A JP25148497 A JP 25148497A JP H1182424 A JPH1182424 A JP H1182424A
Authority
JP
Japan
Prior art keywords
pressure
piece
resistant piece
main body
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
Application number
JP25148497A
Other languages
Japanese (ja)
Inventor
Shunan O
王秋楠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP25148497A priority Critical patent/JPH1182424A/en
Publication of JPH1182424A publication Critical patent/JPH1182424A/en
Pending legal-status Critical Current

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  • Actuator (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a hydraulic or pneumatic cylinder having an ability to withstand a very heavy load or weight which was difficult before. SOLUTION: A cylinder is provided with a main body 10 in which a piston having a pressure side and a rod side is incorporated and an operating rod 20 which is provided with a follower end 21 at its end part and operated by a hydraulic or pneumatic pressure for the rod to be driven inside the main body. The follower end is provided with a pressure resistant piece 22 and a leakage preventing ring 23 in which an air gap 24 is formed between the follower end and pressure resistant piece. Also the main body comprises an outlet end 11 with the pressure resistant piece 22, an outlet cap 12, and the leakage preventing ring 23 provided between an outlet end pressure resistant piece and the outlet cap. In addition, the operating rod is structured so that, before a pressing force is transmitted to act on the leakage preventing ring, it brings a pressing force to act on at least one pressure resistant piece so that it can be moved in longitudinal direction. Thus the leakage preventing ring 23 acts a repulsion on the inside wall surface of the main body so as to compress it between the follower end and pressure resistant piece.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【0001】[0001]

【発明の属する技術分野】本発明は液圧又は空圧のシリ
ンダに関するもので、特に重負荷又は重量に耐える能力
がある強力な液圧又は空圧シリンダに関するものであ
る。
The present invention relates to a hydraulic or pneumatic cylinder, and more particularly to a strong hydraulic or pneumatic cylinder capable of withstanding heavy loads or weights.

【0002】[0002]

【従来の技術】従来の液圧又は空圧シリンダは、図1に
示すように、二つの液体孔又は空気孔11を備えた本体
10及び複数の漏洩防止リング22をもつ端部21を有
する作動ロッド20から成り、前記本体はその出口端1
2において複数の漏洩防止リング22’を備え、前記作
動ロッドはその端部に注入される液体あるいは空気によ
って作動する。
BACKGROUND OF THE INVENTION A conventional hydraulic or pneumatic cylinder, as shown in FIG. 1, has an actuating body 10 having two fluid or air holes 11 and an end 21 having a plurality of leak-proof rings 22. Consisting of a rod 20 whose body has its outlet end 1
At 2 there is provided a plurality of leak-proof rings 22 ', said actuation rod being actuated by liquid or air injected at its end.

【0003】しかし、従来のシリンダは、その作動ロッ
ドの端部21が、重負荷又は重量に耐えることができな
い欠点、またその漏洩防止リング22が損耗する欠点が
あった。
However, the conventional cylinder has the disadvantage that the end portion 21 of the operating rod cannot withstand heavy load or weight, and the leakage prevention ring 22 is worn.

【0004】[0004]

【発明が解決しようとする課題】そこで、本発明の目的
は、前記欠点を一掃することができる、内部に従動端を
有する作動ロッドを備えた本体から成る強力な液圧又は
空圧シリンダを提供することにある。
SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a powerful hydraulic or pneumatic cylinder comprising a body with an actuating rod having an internally driven end, which can obviate said disadvantages. Is to do.

【0005】さらに本発明の目的は、作動ロッドの従動
端と耐圧片との間に配置された弾性片を有する強力な液
圧又は空圧シリンダを提供することにある。
It is a further object of the present invention to provide a strong hydraulic or pneumatic cylinder having an elastic piece disposed between the driven end of the operating rod and the pressure piece.

【0006】[0006]

【課題を解決するための手段】本発明は、内部に圧力側
とロッド側を有するピストンを備えた本体と、端部に従
動端を有し本体内で駆動するための液体圧又は空気圧に
より作動する作動ロッドから成るシリンダであり、従動
端は少なくとも一つの耐圧片を具備し、従動端及び耐圧
片の間に空隙が形成される漏洩防止リングを備え、耐圧
片は作動ロッドに固定された保持片によって固定され、
本体は、耐圧片の少なくとも一つを備えた出口端と,出
口キャップと,出口端耐圧片と出口キャップとの間に介
装した漏洩防止リングとから成り、前記作動ロッドは、
押圧力が少なくとも一つの前記漏洩防止リングに作用す
るために伝達される前に少なくとも一つの耐圧片に作用
するために押圧力をもたらし前後に作動し得るように
し、少なくとも一つの前記漏洩防止リングが反発力を本
体の内壁面に作用させるために従動端と耐圧片との間で
圧縮されるようにしたものである。
SUMMARY OF THE INVENTION The present invention comprises a body having a piston having a pressure side and a rod side therein, and a liquid or pneumatically driven end within the body having a driven end. A driven end having at least one pressure-resistant piece, a leakage prevention ring having a gap formed between the driven end and the pressure-resistant piece, and a pressure-resistant piece fixed to the operating rod. Fixed by a piece,
The main body includes an outlet end provided with at least one pressure-resistant piece, an outlet cap, and a leakage prevention ring interposed between the outlet-end pressure-resistant piece and the outlet cap.
Before the pressing force is transmitted to act on the at least one leak-prevention ring, a pressure force is applied to act on the at least one pressure-resistant piece so that it can be operated back and forth; In order to apply a repulsive force to the inner wall surface of the main body, the driven member is compressed between the driven end and the pressure-resistant piece.

【0007】[0007]

【発明の実施の形態】従動端はその作動ロッドを作動せ
しめるために、液体圧又は空気圧によって作用される。
前記従動端は側部に耐圧片を備え、この従動端及び耐圧
片はその間に漏洩防止リングを備え、この漏洩防止リン
グによって空隙を従動端と耐圧片の間に形成している。
DETAILED DESCRIPTION OF THE INVENTION The driven end is actuated hydraulically or pneumatically to activate its operating rod.
The driven end is provided with a pressure-resistant piece on a side portion, and the driven end and the pressure-resistant piece are provided with a leakage prevention ring therebetween, and a gap is formed between the driven end and the pressure-resistant piece by the leakage prevention ring.

【0008】本体は、出口部において少なくとも一つの
耐圧片を備え、その出口キャップと耐圧片は、その間に
漏洩防止リングを備えている。
The main body has at least one pressure-resistant piece at the outlet portion, and the outlet cap and the pressure-resistant piece have a leakage prevention ring therebetween.

【0009】作動ロッドが圧力を発生するために作用す
ると、耐圧片はその圧力によって作用し、その圧力はそ
の後、シリンダが重負荷あるいは重量に耐え得るよう
に、順次、本体の内壁面に対して作用する反発力を発生
する漏洩防止リングに作用する。
When the operating rod acts to generate pressure, the pressure-resistant piece acts by that pressure, which is then applied to the inner wall of the body in order so that the cylinder can withstand heavy loads or weights. It acts on the leak prevention ring which generates the acting repulsive force.

【0010】弾性片は、シリンダが大きな圧力下にある
時にその耐圧片の効率を促進することを意図している。
The elastic piece is intended to promote the efficiency of the pressure piece when the cylinder is under high pressure.

【0011】[0011]

【実施例】本発明の強力な液圧又は空圧シリンダは、本
体10で構成され、この本体の中に従動端21を一端部
に有する作動ロッド20を設置する。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The powerful hydraulic or pneumatic cylinder of the present invention comprises a main body 10 in which an operating rod 20 having a driven end 21 at one end is installed.

【0012】前記従動端21は、前記作動ロッド20を
前後に作動させるために液圧又は空圧によって駆動され
る。
The driven end 21 is driven hydraulically or pneumatically to move the operating rod 20 back and forth.

【0013】前記従動端21は、その左右両側部の一つ
又は二つ以上の耐圧片22を具備する。
The driven end 21 has one or more pressure-resistant pieces 22 on both left and right sides thereof.

【0014】前記従動端21と耐圧片22間の外周部に
は漏洩防止リング23を設置し、この漏洩防止リングに
よって空隙24部が従動端21と耐圧片22との間に形
成される。
A leakage prevention ring 23 is provided at an outer peripheral portion between the driven end 21 and the pressure-resistant piece 22, and a gap 24 is formed between the driven end 21 and the pressure-resistant piece 22 by the leakage prevention ring.

【0015】前記耐圧片22は、保持片25によって固
定される。
The pressure-resistant piece 22 is fixed by a holding piece 25.

【0016】前記本体10は、その出口端11におい
て、少なくとも一つの耐圧片22、出口キャップ12及
び耐圧片22と出口キャップ12との間に介装した漏洩
防止リング23とを備えている。
The main body 10 has at its outlet end 11 at least one pressure-resistant piece 22, an outlet cap 12, and a leakage prevention ring 23 interposed between the pressure-resistant piece 22 and the outlet cap 12.

【0017】前記作動ロッド20は、液体圧又は空気圧
によって押圧力が発生するように、前記本体10内で前
後に作動する。
The operating rod 20 is moved back and forth within the main body 10 so that a pressing force is generated by liquid pressure or air pressure.

【0018】前記耐圧片22は、順次、前記漏洩防止リ
ング23に伝達される前記押圧力によって作動される。
The pressure piece 22 is actuated by the pressing force transmitted to the leak prevention ring 23 in sequence.

【0019】前記漏洩防止リング23は、前記従動端2
1と前記耐圧片22との間で圧縮されるから、本体10
の内壁面13が漏洩防止リング23の反発力によって影
響される。結果として、前記作動ロッド20は、より重
い負荷あるいは重量に対して耐えることができるように
なる。
The leak prevention ring 23 is provided at the driven end 2.
1 and the pressure-resistant piece 22 are compressed.
Inner wall 13 is affected by the repulsive force of the leakage prevention ring 23. As a result, the actuation rod 20 can withstand heavier loads or weights.

【0020】図3に示すように、弾性片26は前記作動
ロッド20の従動端21と耐圧片22との間に配置され
る。
As shown in FIG. 3, the elastic piece 26 is disposed between the driven end 21 of the operating rod 20 and the pressure-resistant piece 22.

【0021】前記耐圧片22がその圧力によって作用さ
れる時は、前記弾性片26は前記漏洩防止リング23が
前記耐圧片22によって押圧される前に作用する。
When the pressure piece 22 is acted upon by the pressure, the elastic piece 26 acts before the leakage prevention ring 23 is pressed by the pressure piece 22.

【0022】結果として、前記作動ロッド20は、前記
耐圧片22がより大きい負荷あるいは重量に対処するた
めに、より良好に設置されている間はより効果的であ
る。
As a result, the actuation rod 20 is more effective while the pressure piece 22 is better installed to cope with larger loads or weights.

【0023】図4乃至図7に示すように、前記漏洩防止
リング23は、円形、角形、楔形、長方形、三角形など
様々な断面形状のものから成るが、この漏洩防止リング
は前記耐圧片22によって押圧される時、膨張する。そ
の結果、漏洩防止リング23が卓越した漏洩防止効果を
もたらすことになる。
As shown in FIGS. 4 to 7, the leak preventing ring 23 has a variety of cross-sectional shapes such as a circle, a square, a wedge, a rectangle, and a triangle. When pressed, it expands. As a result, the leakage prevention ring 23 has an excellent leakage prevention effect.

【0024】図8に示すように、弾性片26は、漏洩防
止リング23の外側に接して配置されるが、この弾性片
が液圧又は空圧によって変形させられると、漏洩防止リ
ング23は卓越した漏洩防止効果をもたらすように、変
形した弾性片26によって押圧される。
As shown in FIG. 8, the elastic piece 26 is disposed in contact with the outside of the leak preventing ring 23. When the elastic piece is deformed by hydraulic pressure or pneumatic pressure, the leak preventing ring 23 becomes dominant. It is pressed by the deformed elastic piece 26 so as to bring about the effect of preventing leakage.

【0025】上記した本発明の実施例は、あらゆる部分
において例示であり、本発明はその精神から逸脱するこ
となく、他の態様において実施することができるもので
ある。
The embodiments of the present invention described above are illustrative in all parts, and the present invention can be embodied in other forms without departing from the spirit thereof.

【0026】[0026]

【発明の効果】本発明は前記のような構成であるため、
特に重負荷又は重量に十分耐え得るシリンダとなるので
ある。
Since the present invention has the above-described structure,
In particular, the cylinder can sufficiently withstand heavy loads or weights.

【図面の簡単な説明】[Brief description of the drawings]

【図1】従来技術のシリンダの正断面図FIG. 1 is a front sectional view of a conventional cylinder.

【図2】本発明のシリンダの正断面図FIG. 2 is a front sectional view of the cylinder of the present invention.

【図3】本発明の他例のシリンダの正断面図FIG. 3 is a front sectional view of a cylinder according to another example of the present invention.

【図4】作動中の漏洩防止リング部の正断面図FIG. 4 is a front sectional view of the leakage prevention ring portion during operation.

【図5】作動中の漏洩防止リング部の他例の正断面図FIG. 5 is a front sectional view of another example of the leakage prevention ring portion during operation.

【図6】作動中の漏洩防止リング部の別例の正断面図FIG. 6 is a front sectional view of another example of the leakage prevention ring portion during operation.

【図7】作動中の漏洩防止リング部のさらに別例の正断
面図
FIG. 7 is a front sectional view of still another example of the leakage prevention ring portion during operation.

【図8】本発明の他例の正断面図FIG. 8 is a front sectional view of another example of the present invention.

【符号の説明】[Explanation of symbols]

10 本体 20 作動ロッド 21 従動端 22 耐圧片 23 漏洩防止リング 24 空隙 25 保持片 26 弾性片 DESCRIPTION OF SYMBOLS 10 Main body 20 Operating rod 21 Followed end 22 Pressure-resistant piece 23 Leak prevention ring 24 Void 25 Holding piece 26 Elastic piece

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 内部に圧力側とロッド側を有するピスト
ンを備えた本体と、端部に従動端を有し本体内で駆動す
るための液体圧又は空気圧により作動する作動ロッドか
ら成るシリンダであり、従動端は少なくとも一つの耐圧
片を具備し、従動端及び耐圧片の間に空隙が形成される
漏洩防止リングを備え、耐圧片は作動ロッドに固定され
た保持片によって固定され、本体は、耐圧片の少なくと
も一つを備えた出口端と,出口キャップと,出口端耐圧
片と出口キャップとの間に介装した漏洩防止リングとか
ら成り、前記作動ロッドは、押圧力が少なくとも一つの
前記漏洩防止リングに作用するために伝達される前に少
なくとも一つの耐圧片に作用するために押圧力をもたら
し前後に作動し得るようにし、少なくとも一つの前記漏
洩防止リングが反発力を本体の内壁面に作用させるため
に従動端と耐圧片との間で圧縮されるようにしたことを
特徴とするシリンダ。
1. A cylinder comprising a main body having a piston having a pressure side and a rod side therein, and a hydraulic or pneumatically actuated rod having a driven end at an end for driving in the main body. The driven end has at least one pressure-resistant piece, has a leakage prevention ring in which a gap is formed between the driven end and the pressure-resistant piece, the pressure-resistant piece is fixed by a holding piece fixed to the operating rod, and the main body is An outlet end provided with at least one pressure-resistant piece, an outlet cap, and a leakage prevention ring interposed between the outlet-end pressure-resistant piece and the outlet cap; A pressure force is applied to act on at least one pressure piece before being transmitted to act on the anti-leak ring so that it can be operated back and forth, wherein at least one of said anti-leak rings repels A cylinder characterized in that the cylinder is compressed between a driven end and a pressure-resistant piece to apply a force to an inner wall surface of the main body.
【請求項2】 請求項1に記載したシリンダであり、作
動ロッドの従動端と耐圧片との間に弾性片を備えて成る
シリンダ。
2. The cylinder according to claim 1, wherein an elastic piece is provided between the driven end of the operating rod and the pressure-resistant piece.
【請求項3】 請求項1に記載したシリンダであり、漏
洩防止リングは任意形状の断面に成り、耐圧片によって
作用される時に膨張するように成るシリンダ。
3. The cylinder according to claim 1, wherein the leak-proof ring has an arbitrary cross-section and expands when acted on by the pressure-resistant piece.
【請求項4】 請求項1に記載したシリンダであり、少
なくとも一つの漏洩防止リングがこの漏洩防止リングを
押圧する液体圧又は空気圧によって変形される弾性片を
備えて成るシリンダ。
4. The cylinder according to claim 1, wherein at least one of the leakage prevention rings comprises an elastic piece deformed by liquid pressure or air pressure pressing the leakage prevention rings.
JP25148497A 1997-09-02 1997-09-02 Cylinder Pending JPH1182424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP25148497A JPH1182424A (en) 1997-09-02 1997-09-02 Cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP25148497A JPH1182424A (en) 1997-09-02 1997-09-02 Cylinder

Publications (1)

Publication Number Publication Date
JPH1182424A true JPH1182424A (en) 1999-03-26

Family

ID=17223501

Family Applications (1)

Application Number Title Priority Date Filing Date
JP25148497A Pending JPH1182424A (en) 1997-09-02 1997-09-02 Cylinder

Country Status (1)

Country Link
JP (1) JPH1182424A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018030014A1 (en) * 2016-08-10 2018-02-15 Smc株式会社 Method for producing piston assembly and hydraulic fluid device
US10718360B2 (en) 2016-08-10 2020-07-21 Smc Corporation Hydraulic fluid device
US10851813B2 (en) 2016-08-10 2020-12-01 Smc Corporation Method for producing piston assembly and hydraulic fluid device

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018030014A1 (en) * 2016-08-10 2018-02-15 Smc株式会社 Method for producing piston assembly and hydraulic fluid device
JP2018025243A (en) * 2016-08-10 2018-02-15 Smc株式会社 Fluid pressure device and method for manufacturing piston assembly
TWI651483B (en) * 2016-08-10 2019-02-21 日商Smc股份有限公司 Fluid pressure device and three-dimensional manufacturing method of piston group
KR20190038624A (en) * 2016-08-10 2019-04-08 에스엠시 가부시키가이샤 Fluid pressure device and method of manufacturing a piston assembly
US10718360B2 (en) 2016-08-10 2020-07-21 Smc Corporation Hydraulic fluid device
RU2729718C1 (en) * 2016-08-10 2020-08-19 СМСи КОРПОРЕЙШН Hydraulic (pneumatic) device and method of piston assembly manufacturing
US10851813B2 (en) 2016-08-10 2020-12-01 Smc Corporation Method for producing piston assembly and hydraulic fluid device
RU2729718C9 (en) * 2016-08-10 2021-09-07 СМСи КОРПОРЕЙШН Method for producing piston assembly and hydraulic fluid device
US11280409B2 (en) 2016-08-10 2022-03-22 Smc Corporation Method for producing piston assembly and hydraulic fluid device

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