JPS59155608A - Fluid cylinder apparatus - Google Patents
Fluid cylinder apparatusInfo
- Publication number
- JPS59155608A JPS59155608A JP2807183A JP2807183A JPS59155608A JP S59155608 A JPS59155608 A JP S59155608A JP 2807183 A JP2807183 A JP 2807183A JP 2807183 A JP2807183 A JP 2807183A JP S59155608 A JPS59155608 A JP S59155608A
- Authority
- JP
- Japan
- Prior art keywords
- rod
- piston
- fluid
- cylindrical member
- 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.)
- Granted
Links
Landscapes
- Actuator (AREA)
Abstract
Description
【発明の詳細な説明】
本発明は、圧力流体により進退作動する作動軸を固定保
持できる流体シリンダ装置に関する。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a fluid cylinder device capable of fixedly holding an operating shaft that is moved forward and backward by pressure fluid.
従来、この種流体シリンダ本体は、作動軸の外周面を複
数の摩擦部材により締め伺けて作動軸を固定保持するよ
う設けている。ところが、作動軸の外周面か摩擦部材の
圧接で損傷され易く、作動軸を負荷や用途に関・係なく
不相応な強度に設けなければならないため、作動軸を一
方向の作動端近傍へ固定保持する場合でも作動軸全体の
強度を向上するようにしなければならず、製作が面倒で
ある等の欠点があった。Conventionally, this type of fluid cylinder main body is provided so that the outer peripheral surface of the operating shaft can be tightened by a plurality of friction members to fix and hold the operating shaft. However, the outer circumferential surface of the actuating shaft is easily damaged by pressure contact with the friction member, and the actuating shaft must be provided with an unsuitable strength regardless of the load or application, so it is necessary to fix the actuating shaft near the operating end in one direction. Even in this case, it is necessary to improve the strength of the entire operating shaft, which has disadvantages such as troublesome manufacturing.
本発明は、かかる欠点を解消し、作動軸の強度を変える
ことなく、作動軸を確実に固定保持し得る流体シリンダ
装置を提供するものである。The present invention eliminates these drawbacks and provides a fluid cylinder device capable of reliably fixing and holding an operating shaft without changing the strength of the operating shaft.
このため本発明は、シリンダ本体内へピストンを摺動自
在に嵌合して作用室を区割形成し、該ピストンの一端に
突設する作動軸をシリンダ本体外へ突出して設けた圧力
流体により作動操作する流体シリンダを有し、流体シリ
ンダの作動軸と対向するピストン端に突設してピストン
の一方向への摺動端近傍でシリンダ本体から突出するよ
うロッドを設けると共に、突出するロッドを締まり嵌め
可能に筒状の円筒部材をシリンダ本体に連設して具備し
、ピストンを一方向の摺動端近傍へ摺動することにより
円筒部材を半径方向へ膨張してロッドを円筒部材内へ嵌
挿し締まり嵌め可能に流体制御手段を設け、作動軸を確
実に固定保持するようにしている。Therefore, in the present invention, a piston is slidably fitted into a cylinder body to form a divided working chamber, and an operating shaft protruding from one end of the piston is provided with a pressurized fluid that projects outside the cylinder body. It has a fluid cylinder that is actuated, and a rod is provided so as to protrude from the end of the piston facing the operating axis of the fluid cylinder and protrude from the cylinder body near the sliding end of the piston in one direction. A cylindrical member with a cylindrical shape is connected to the cylinder body so that it can be tightly fitted, and by sliding the piston near the sliding end in one direction, the cylindrical member is expanded in the radial direction and the rod is moved into the cylindrical member. A fluid control means is provided so that the actuating shaft can be tightly fitted and securely held.
以下、本発明の一実施例を図面に基づいて説明する。Hereinafter, one embodiment of the present invention will be described based on the drawings.
第１図において、（１）は流体シリンダで、シリンダチ
ー−ブ（２）の両端部に開口を密封閉塞するようにし蓋
部材（３）（４）を一体重に設置せしめシリンダ本体を
構成しており、シリンダ本体のシリンダチーープ（２）
内へピストン（５）を摺動自在に嵌合し作用室（６）（
７）を区割形成していると共に、ピストン（５）の一端
に突設する作動軸（８）を蓋部材（３）外へ突出して設
けてい、る。（９）は流体シリンダ（１）の作動軸（８
）と対向するピストン（５）端に突設し該作動軸の固定
保持を得るためのロッドで、ピストン（５）を右摺動端
へ摺動することにより摺動端近傍でシリンダ本体の蓋部
材（４）から突８するよう設けられている。（１０）は
突出するロッド（９）を締まり嵌め可能に設けた筒状の
円筒部材で、両端部に保持部材（１１）（１２）を備え
複数のタイロッド（１３）によりシリンダ本体の蓋部材
（４）へ一体重に連設されており、円筒部材（１０）は
ロッド（９）との外嵌で形成の間隙（１４）ｖｃ圧力流
体が導入されることにより半径方向へ膨張してロッド（
９）の締まりを弛めるよう設けている。また、保持部材
（１２）には間隙（１４）に圧力流体を導入するための
流路（１５）が設けられている。In Fig. 1, (1) is a fluid cylinder, and the cylinder main body is constructed by integrally installing lid members (3) and (4) at both ends of a cylinder tube (2) so as to seal and close the opening. Cylinder cheap of cylinder body (2)
The piston (5) is slidably fitted into the working chamber (6) (
7) is formed into sections, and an actuating shaft (8) protruding from one end of the piston (5) is provided to protrude outside the lid member (3). (9) is the operating shaft (8) of the fluid cylinder (1).
) is a rod protruding from the end of the piston (5) facing the piston (5) to securely hold the operating shaft.By sliding the piston (5) to the right sliding end, the lid of the cylinder body is opened near the sliding end. It is provided so as to protrude 8 from the member (4). (10) is a cylindrical member in which a protruding rod (9) can be tightly fitted; holding members (11) and (12) are provided at both ends, and a plurality of tie rods (13) are used to connect the lid member ( The cylindrical member (10) expands in the radial direction by introducing pressure fluid into a gap (14) formed by external fitting with the rod (9), and the rod (9) expands in the radial direction.
9) is provided to loosen the tightness. Further, the holding member (12) is provided with a flow path (15) for introducing pressure fluid into the gap (14).
（１６）（１７）（１８）（１９１）（２０）（２１）
は流体洩屯を阻止するためのシール部材、（２２）は流
体シリンダ（１）を作動操作する４ボンド３位置形の方
向切換弁で、管路（２３］（２４）を介し各作用室（６
）（７）を圧力源側（２５ンと低圧部側（２６）とに切
換制御している。(16) (17) (18) (191) (20) (21)
is a sealing member for preventing fluid leakage, and (22) is a 4-bond, 3-position directional control valve that operates the fluid cylinder (1). 6
) (7) is controlled to switch between the pressure source side (25 inches) and the low pressure side (26).
（２７）は円筒部材（１０）を膨縮操作する３ボ一ト３
位置形の方向切換弁で、管路（２８）を介し保持部材（
１２）の流路（１５］を圧力源側（２５）と低圧部側（
２６）とに膿制御している。（２９）は管路（２８）に
設は円筒部材（１０）に働く圧力流体の最高圧を規制す
る安全弁である。(27) is the 3-bottle 3 that expands and contracts the cylindrical member (10).
A position type directional control valve that connects the holding member (
12) flow path (15) is connected to the pressure source side (25) and the low pressure side (
26) The pus is well controlled. (29) is a safety valve installed in the conduit (28) to regulate the maximum pressure of the pressure fluid acting on the cylindrical member (10).
次に、かかる構成の作動を説明する。Next, the operation of this configuration will be explained.
第１図は、流体シリンダ（１）のピストン（５）が石榴
１１端に位置し、円筒部材（１０）が口・ンド（９）を
締まり嵌めしており、流体シリンダ（１）の作動軸（８
）はロッド（９）と円筒部材（１０）の接触摩擦力によ
り固定保持されている。この状態から、作動軸（８）を
作動操作するには、方向切換弁（２７）を右の切換位置
にして圧力流体を管路（２８）流路（１５）を介し間隙
（１４）に導入すると、円筒部材（１０）は内周面に働
く圧力流体の作用力により半径方向へ膨張されてロッド
（９）の締まりを弛め、方向切換弁（２２）を左の切換
位置にし流体シリンダ（１）の作用室（７）に圧力流体
を導入すると共に作用室（６）の流体を排出することに
より、ピストン（５）の左摺動でロッド（９）を円筒部
材（１０）から外す。そして方向切換弁（２７）を中立
の切換位置に戻し管路（２８）を遮断したのち方向切換
弁（２２）を繰返し切換操作することにより作動軸（８
）は円滑に進退作動される。Figure 1 shows that the piston (5) of the fluid cylinder (1) is located at the end of the granite 11, the cylindrical member (10) is tightly fitted with the opening (9), and the operating shaft of the fluid cylinder (1) is shown. (8
) is fixedly held by the contact friction force between the rod (9) and the cylindrical member (10). In order to operate the operating shaft (8) from this state, the directional control valve (27) is set to the right switching position and pressure fluid is introduced into the gap (14) through the pipe (28) and flow path (15). Then, the cylindrical member (10) is expanded in the radial direction by the force of the pressure fluid acting on the inner circumferential surface, loosening the rod (9), and setting the directional switching valve (22) to the left switching position and switching the fluid cylinder ( By introducing pressure fluid into the working chamber (7) of 1) and discharging the fluid in the working chamber (6), the rod (9) is removed from the cylindrical member (10) by left sliding of the piston (5). After returning the directional control valve (27) to the neutral switching position and shutting off the pipeline (28), the operating shaft (8) is repeatedly operated to switch the directional control valve (22).
) moves smoothly forward and backward.
さらに、作動軸（８）を固定保持するには、方向切換弁
（２０を右の切換位置にしピストン（５）を右摺動端近
傍へ摺動することにより、ピストン（５）の右摺動端近
傍でロッド（９）がシール部材（２０）と接合し円筒部
材（１０）内を密閉状態にせしめ、第２図の如く円筒部
材（１０］はピストン（５）の作用室（６）側に働く作
用力により密閉流体が安全弁（２９）の規制圧まで増圧
されて半径方向へ膨張し、ロッド（９）は円筒部１ＦＡ
（１０）内へ円滑に嵌挿する。ロッド（９） ２５；嵌
挿すれば方向切換弁（２７］を右の切換位置にし円筒部
材（１０）内の増圧流体を低圧部側（２６）へ排出する
と、円筒・部材（１０）は自己の弾性カー（暇縮してロ
ッド（９）を締まり嵌めし、作動軸（８）は作動端近傍
で固定保持される。そして、再度作動軸（８）を進退作
動するには前記の如く各方向切換弁（２２）（ｚ７）を
操作する。Furthermore, in order to keep the operating shaft (8) fixed, the piston (5) can be moved to the right by moving the directional control valve (20) to the right switching position and sliding the piston (5) near the right sliding end. The rod (9) is connected to the sealing member (20) near the end to seal the inside of the cylindrical member (10), and as shown in Fig. 2, the cylindrical member (10) is connected to the action chamber (6) side of the piston (5). The pressure of the sealing fluid increases to the regulated pressure of the safety valve (29) and expands in the radial direction due to the acting force acting on the rod (9).
(10) Insert smoothly into the inside. Rod (9) 25; When inserted, the directional control valve (27) is set to the right switching position and the pressurized fluid in the cylindrical member (10) is discharged to the low pressure side (26), the cylinder/member (10) The rod (9) is tightly fitted with its own elastic car, and the operating shaft (8) is fixedly held near the operating end.Then, to move the operating shaft (8) back and forth again, proceed as described above. Operate each direction switching valve (22) (z7).
この作動で、流体シリンダ（１）の作動軸（８）を固定
保持するのに、ピストン（５）端に突設し九ロッド（９
）を外嵌する円筒部材（１０）の自己の弾性力による締
まり嵌めにより得ているので、従来の如き作動軸（８）
の強度を変えることなく確実な固定保持が得られる。し
かも、ロッド（９）は作動軸（８）の作動端での固定保
持を得る比較的短かい軸長のもので製作し易く、流体シ
リンダ（１）の用途に応じた最適の小型流体シリンダ装
置σが得られる。In this operation, a nine rod (9) protruding from the end of the piston (5) is used to securely hold the operating shaft (8) of the fluid cylinder (1).
) is achieved by an interference fit due to the elastic force of the cylindrical member (10) that is externally fitted with the cylindrical member (10).
Reliable fixation can be obtained without changing the strength of the Moreover, the rod (9) has a relatively short shaft length that securely holds the operating end of the operating shaft (8), and is easy to manufacture, making it an optimal compact fluid cylinder device according to the application of the fluid cylinder (1). σ is obtained.
このように本発明は、シリンダ本体内へピストンをＪ’
ｉ’！動自在に嵌合して作用室を区割形成し、該ピスト
ンの一端に突設する作動軸をシリンダ本体外へ突出して
設けた圧力流体により作動操作する流体シリンダを有し
、流体シリンダの作動軸と対向するピストン端ニ突設し
てピストンの一方向への摺動端近傍でシリンダ本体から
突出するようロッドを設けると共に、突出するロッドを
締まり嵌めｉ″Ｉ］能に筒状の円筒部材をシリンダ本体
に辿設して具備し、ピストンを一方向の摺動端近傍へ摺
動することにより円筒部材を半径方向へ膨張してロッド
を円筒部材内へ嵌挿し締まり嵌め可能に流体制御手段を
設けていることにより、作動軸の強度を変えることなく
、作動軸を確実に固定保持することができ、ゼた製作も
容易で用途に応じた最適の小型流体シリンダ装置が得ら
れる等の作用効果を奏する。In this way, the present invention allows the piston to be inserted into the cylinder body.
i'! It has a fluid cylinder which is movably fitted to form a divided working chamber, and which is operated by pressure fluid, which has an operating shaft protruding from one end of the piston and which projects outside the cylinder body. A cylindrical member having a cylindrical shape, in which a rod is provided protruding from the end of the piston facing the shaft and protruding from the cylinder body near the sliding end of the piston in one direction, and the protruding rod is tightly fitted. is provided in the cylinder body, and by sliding the piston near the sliding end in one direction, the cylindrical member is expanded in the radial direction, and the rod is inserted into the cylindrical member so that the rod can be tightly fitted. By providing this, the operating shaft can be securely fixed and held without changing the strength of the operating shaft, and it is easy to manufacture, making it possible to obtain a compact fluid cylinder device that is optimal for the application. be effective.
第１図は本発明の一実施例を示す流体シリンダ装置の縦
断面図、第２図は作動状態図である。
（１）・・・流体シリンダ、（５）・・・ピストン、（
８）・・・作動軸、（９）・・・ロッド、（１０）・・
・円筒部材、（１４）・・ 間隙
特許出願人
豊興工業株式会社FIG. 1 is a longitudinal sectional view of a fluid cylinder device showing one embodiment of the present invention, and FIG. 2 is a diagram showing an operating state. (1)...Fluid cylinder, (5)...Piston, (
8)... Operating axis, (9)... Rod, (10)...
・Cylindrical member, (14)... Gap patent applicant Toyoko Kogyo Co., Ltd.
Claims (1)
室を区割形成し、該ピストンの一端に突設する作動軸を
シリンダ本体外へ突出して設けた圧力流体により作動操
作する流体シリンダを有し、流体シリンダの作動軸と対
向するピストン端に突設してピストンの一方向への摺動
端近傍でシリンダ本体から突出するようロッドを設ける
と共に、突出するロッドを縮寸り嵌め可能に筒状の円筒
部材をシリンダ本体に連設して具備し、ピストンを一方
向の摺動端近傍へ摺動することにより円筒部材を半径方
向へ膨張してロッドを円筒部材内へ嵌挿し締まり嵌め可
能に流体制御手段を設けた流体シリンダ装置。A working chamber is formed by fitting a piston into the cylinder body without any movement, and an operating shaft is provided at one end of the piston and protrudes from the outside of the cylinder body. A fluid that is actuated by pressure fluid. A cylinder is provided, and a rod is provided to protrude from the end of the piston facing the operating axis of the fluid cylinder and protrude from the cylinder body near the sliding end of the piston in one direction, and the protruding rod is fitted with a reduced size. A cylindrical member having a cylindrical shape is connected to the cylinder body, and by sliding the piston near the sliding end in one direction, the cylindrical member is expanded in the radial direction and the rod is inserted into the cylindrical member. A fluid cylinder device equipped with fluid control means that can be tightly fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2807183A JPS59155608A (en) | 1983-02-21 | 1983-02-21 | Fluid cylinder apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2807183A JPS59155608A (en) | 1983-02-21 | 1983-02-21 | Fluid cylinder apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59155608A true JPS59155608A (en) | 1984-09-04 |
| JPH0132365B2 JPH0132365B2 (en) | 1989-06-30 |
Family
ID=12238533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2807183A Granted JPS59155608A (en) | 1983-02-21 | 1983-02-21 | Fluid cylinder apparatus |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59155608A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143992U (en) * | 1978-03-31 | 1979-10-05 | ||
| JPS5578803U (en) * | 1978-11-27 | 1980-05-30 | ||
| JPS57107004U (en) * | 1980-12-23 | 1982-07-01 | ||
| JPS5814507U (en) * | 1981-07-22 | 1983-01-29 | オイルドライブ工業株式会社 | Plunger locking device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5814507B2 (en) * | 1975-07-09 | 1983-03-19 | インタ−ナショナル ビジネス マシ−ンズ コ−ポレ−ション | Method for selectively ion etching silicon |
-
1983
- 1983-02-21 JP JP2807183A patent/JPS59155608A/en active Granted
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54143992U (en) * | 1978-03-31 | 1979-10-05 | ||
| JPS5578803U (en) * | 1978-11-27 | 1980-05-30 | ||
| JPS57107004U (en) * | 1980-12-23 | 1982-07-01 | ||
| JPS5814507U (en) * | 1981-07-22 | 1983-01-29 | オイルドライブ工業株式会社 | Plunger locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0132365B2 (en) | 1989-06-30 |
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