JP2003074513A - Cylinder tube for hydraulic pressure cylinder - Google Patents

Cylinder tube for hydraulic pressure cylinder

Info

Publication number
JP2003074513A
JP2003074513A JP2001263606A JP2001263606A JP2003074513A JP 2003074513 A JP2003074513 A JP 2003074513A JP 2001263606 A JP2001263606 A JP 2001263606A JP 2001263606 A JP2001263606 A JP 2001263606A JP 2003074513 A JP2003074513 A JP 2003074513A
Authority
JP
Japan
Prior art keywords
tube
cover material
cylinder
cover
tube material
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
Application number
JP2001263606A
Other languages
Japanese (ja)
Other versions
JP3780187B2 (en
Inventor
Nobuo Harihara
原 信 夫 針
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.)
SMC Corp
Original Assignee
SMC Corp
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 SMC Corp filed Critical SMC Corp
Priority to JP2001263606A priority Critical patent/JP3780187B2/en
Priority to DE2002139519 priority patent/DE10239519B4/en
Publication of JP2003074513A publication Critical patent/JP2003074513A/en
Application granted granted Critical
Publication of JP3780187B2 publication Critical patent/JP3780187B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423Component parts; Constructional details
    • F15B15/1428Cylinders

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a cylinder tube for a hydraulic pressure cylinder capable of making lightweight and lessening useless remains of material while an original shape of a conventional extruded material is visually maintained. SOLUTION: The cylinder tube for a hydraulic pressure cylinder comprises a tube material 7 formed by a cylindrical hollow pipe, and an approximately square hollow cover material 8 in section which is externally fitted by providing a gap around the tube material 7. Both of the tube material 7 and cover material 8 are integrally formed on the inside of the cover material 8. Further, the tube material 7 and cover material 8 are relatively positioned by supporting an outer periphery of the tube material 7 within the cover material 8 by means of a projected portion (Supporting portion) which are integrally formed on the inner periphery of the cover material 8 and are located on a plurality of lines along an axial direction of the tube material 7, namely, a longitudinal direction of the cover material 8 and tube material 7.

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、流体圧シリンダ用
のシリンダチューブに関するものである。
TECHNICAL FIELD The present invention relates to a cylinder tube for a fluid pressure cylinder.

【0002】[0002]

【従来の技術】流体圧シリンダ用のシリンダチューブと
しては、通常、内部にシリンダ孔を形成すると共に、外
部にシリンダ孔内のピストンの位置検出を行う検出器を
装着するための取付け溝を凹設したアルミニウムの押出
し材を用いたものや、単なるパイプ状のものを用いてい
たものが知られている。
2. Description of the Related Art As a cylinder tube for a fluid pressure cylinder, a cylinder hole is usually formed inside and a mounting groove for mounting a detector for detecting the position of a piston in the cylinder hole is provided outside. It is known that an extruded aluminum material is used or a simple pipe-shaped material is used.

【0003】しかしながら、上記押出し材は比較的重量
が重くなって材料の無駄を避けることが比較的困難であ
り、一方、単なるパイプ状のものを用いる場合には、シ
リンダチューブ内のピストンの位置検出を行う検出器を
取付けるにあたって、その取付け用部材をエンドカバー
連結用のタイロッド等に別設する必要があるため、部品
点数が多くなり、しかもシリンダチューブの外側に突出
部分が生じるので、外観を損ねるばかりでなく、他の部
材と接触した際に検出器の損傷を招くおそれがあり、そ
れら問題点の解消が望まれている。
However, the extruded material is relatively heavy and it is relatively difficult to avoid waste of material. On the other hand, when a simple pipe-shaped material is used, the position of the piston in the cylinder tube is detected. When mounting the detector that does the above, it is necessary to separately install the mounting member on the tie rod for connecting the end cover, so the number of parts increases, and there is a protruding part outside the cylinder tube, which impairs the appearance. Not only that, the detector may be damaged when it comes into contact with other members, and it is desired to eliminate these problems.

【0004】[0004]

【発明が解決しようとする課題】本発明の技術的課題
は、外観的には上記押出し材の形態を保ちながら、それ
を軽量化すると共に、材料の無駄をなくすようにした流
体圧シリンダ用シリンダチューブを提供することにあ
る。
SUMMARY OF THE INVENTION The technical problem of the present invention is to provide a cylinder for a fluid pressure cylinder which, while maintaining the appearance of the extruded material in appearance, reduces the weight of the extruded material and eliminates waste of material. To provide a tube.

【0005】[0005]

【課題を解決するための手段】上記課題を解決するため
の本発明の流体圧シリンダ用シリンダチューブは、パイ
プによって形成したチューブ材と、その周囲に間隙を置
いて外嵌したカバー材とを備え、該カバー材の内面に一
体に形成されていると共に、上記チューブ材の軸線方向
に沿った複数の線上に位置する支持部によって、上記チ
ューブ材を上記カバー材内で支持することにより、該カ
バー材とチューブ材とを相対的に位置決めし、上記チュ
ーブ材とカバー材の両端を、それらの間に与えられた上
記間隙に挿通したタイロッドで相互に連結される一対の
エンドカバーにより、相互に固定的に保持させたことを
特徴とするものである。
A cylinder tube for a fluid pressure cylinder according to the present invention for solving the above problems comprises a tube material formed of a pipe and a cover material fitted around the tube material with a gap therebetween. , The cover member is integrally formed on the inner surface of the cover member and is supported on a plurality of lines along the axial direction of the tube member by supporting the tube member in the cover member. Material and tube material are positioned relative to each other, and both ends of the tube material and the cover material are fixed to each other by a pair of end covers that are connected to each other by tie rods that are inserted into the gap provided between them. It is characterized in that it is retained physically.

【0006】本発明の好ましい実施形態としては、カバ
ー材の外面に、シリンダ内のピストンの位置検出を行う
検出器の取付け溝を、上記チューブ材の軸線方向に沿っ
て複数凹設することにより、上記カバー材の内面側に突
出する該取付け溝の底部を上記支持部としたり、また、
カバー材の内面に、上記チューブ材の軸線方向に沿って
複数凸設した第一リブを上記支持部とすることができ
る。更に、一対のエンドカバーを連結するタイロッドを
支持する第二リブを、上記チューブ材の軸線方向に沿っ
て凸設することができる。
According to a preferred embodiment of the present invention, a plurality of mounting grooves for a detector for detecting the position of the piston in the cylinder are provided on the outer surface of the cover member by forming a plurality of recesses along the axial direction of the tube member. The bottom portion of the mounting groove protruding toward the inner surface of the cover member may be the support portion, or
A plurality of first ribs provided on the inner surface of the cover material along the axial direction of the tube material may be used as the support portion. Furthermore, the second rib that supports the tie rod that connects the pair of end covers can be provided so as to project along the axial direction of the tube material.

【0007】[0007]

【発明の効果】上記構成を有する本発明に係る流体圧シ
リンダ用シリンダチューブによれば、パイプによって形
成したチューブ材と、その周囲に間隙を置いて外嵌する
カバー材とにより形成しているので、外観的には従来の
押出し材の形態を維持しつつも、シリンダチューブを軽
量化すると共に、材料の無駄をなくすことができる。
According to the cylinder tube for a fluid pressure cylinder according to the present invention having the above-mentioned structure, it is formed by the tube material formed by the pipe and the cover material fitted around the periphery thereof with a gap. While maintaining the appearance of the conventional extruded material in appearance, it is possible to reduce the weight of the cylinder tube and eliminate the waste of material.

【0008】更に、上記カバー材とチューブ材とは、カ
バー材の外面に位置検出器の取付け溝を複数凹設するこ
とでカバー材の内面側に突出した取付け溝の底部や、カ
バー材の内面に凸設した複数の第一リブ等からなる支持
部によって、上記カバー材とチューブ材とを相対的に位
置決めすることにより、また、必要に応じて更に、カバ
ー材の内面に一対のエンドカバーを連結するタイロッド
に接触するリブを凸設することにより、カバー材を比較
的薄く形成してもチューブ材やタイロッドによって補強
されて十分な強度を維持することができるため、結果的
に、カバー材をより軽量化することが可能となる。
Further, the cover material and the tube material are provided with a plurality of mounting grooves for the position detector on the outer surface of the cover material so that the bottom of the mounting groove protruding toward the inner surface of the cover material and the inner surface of the cover material. By relatively positioning the cover material and the tube material by a support portion formed by a plurality of first ribs and the like that are convexly provided on the inner surface of the cover material, a pair of end covers is further provided on the inner surface of the cover material. By providing the ribs that come into contact with the connecting tie rods in a convex manner, even if the cover material is formed relatively thin, it can be reinforced by the tube material and the tie rods to maintain sufficient strength. It is possible to reduce the weight.

【0009】[0009]

【発明の実施の形態】次に、本発明に係る流体圧シリン
ダ用シリンダチューブの実施例を図1〜図4に基づいて
詳細に説明する。図1は本発明に係るシリンダチューブ
を装着した流体圧シリンダを示すものであって、図中1
は流体圧シリンダで、シリンダチューブ2と、該シリン
ダチューブ2に内挿されピストンロッド4が中心に貫設
されたピストン3と、シリンダチューブ2の両端に嵌合
され、上記ピストンロッド4の両端を支持する一対のエ
ンドカバー5,6と、上記シリンダチューブ2を貫通し
て、該一対のエンドカバー5,6を上記シリンダチュー
ブ2の両端に固定するための、タイロッド10(図2〜
図4参照)とから構成されている。
BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of a cylinder tube for a fluid pressure cylinder according to the present invention will be described in detail with reference to FIGS. FIG. 1 shows a fluid pressure cylinder equipped with a cylinder tube according to the present invention.
Is a fluid pressure cylinder, which is fitted to both ends of the cylinder tube 2, a piston 3 inserted in the cylinder tube 2 and having a piston rod 4 extending through the center thereof, and both ends of the piston rod 4. Tie rods 10 (FIGS. 2 to 5) for supporting the pair of end covers 5 and 6 and the cylinder tube 2 to fix the pair of end covers 5 and 6 to both ends of the cylinder tube 2.
(See FIG. 4).

【0010】上記シリンダチューブ2は、図1〜図4に
示すように、円筒状の中空パイプによって形成され上記
ピストン3が摺動自在に内挿されるチューブ材7と、該
チューブ材7の周囲に間隙を置いて外嵌された断面略正
方形で中空のカバー材8とからなり、該カバー材8の内
面に一体に形成されていると共に、上記チューブ材7の
軸線方向すなわち上記カバー材8及びチューブ材7の長
さ方向に沿った複数の線上に位置する凸部(支持部)に
よって、上記カバー材8内において上記チューブ材7の
外周を支持することで、チューブ材7とカバー材8とが
相対的に位置決めされている。
As shown in FIGS. 1 to 4, the cylinder tube 2 is formed of a cylindrical hollow pipe, and a tube member 7 into which the piston 3 is slidably inserted, and a tube member 7 surrounding the tube member 7. It is composed of a hollow cover material 8 having a substantially square cross-section that is fitted with a gap, and is formed integrally with the inner surface of the cover material 8 and in the axial direction of the tube material 7, that is, the cover material 8 and the tube. By supporting the outer periphery of the tube material 7 in the cover material 8 by the convex portions (supporting portions) located on a plurality of lines along the length direction of the material 7, the tube material 7 and the cover material 8 are separated from each other. It is relatively positioned.

【0011】ここで、図2に基づいて、本発明に係るシ
リンダチューブ2の第一の実施例を詳細に説明する。カ
バー材8内に嵌装されたチューブ材7は、アルミニウム
の押出成形により形成された円筒状の中空パイプであ
り、内部にピストンロッド4を中心に備え位置検出用の
磁石(図示省略)が装着されたピストン3が摺動自在に
嵌挿されるようになっている。また、上記カバー材8は
アルミニウムの押出成形によって形成された四つの角部
を持つ略正方形断面の中空パイプであり、その外面の四
つの角部を挟む各側面には、上記ピストン3に装着され
た磁石を検知することにより、該ピストン3の位置を検
出する磁気センサ(図示省略)を装着するための取付け
溝9が、上記チューブ材7の軸線方向に沿って、それぞ
れ凹設されている。すなわち、カバー材8の外周には計
8カ所に取付け溝9が形成されている。
A first embodiment of the cylinder tube 2 according to the present invention will be described in detail with reference to FIG. The tube member 7 fitted in the cover member 8 is a cylindrical hollow pipe formed by extrusion molding of aluminum, and is equipped with a piston rod 4 at the center and a magnet (not shown) for position detection is attached. The piston 3 is slidably inserted. The cover member 8 is a hollow pipe having a substantially square cross section with four corners formed by extrusion molding of aluminum, and the piston 3 is attached to each side surface sandwiching the four corners of the outer surface. A mounting groove 9 for mounting a magnetic sensor (not shown) for detecting the position of the piston 3 by detecting the magnet is formed in a recess along the axial direction of the tube member 7. That is, mounting grooves 9 are formed at a total of eight locations on the outer periphery of the cover material 8.

【0012】ここで、上記取付け溝9は、断面形状が開
口から底部に向かって幅が狭まる略逆台形であって、そ
の開口両縁には上記センサを係止するための鍔部9aが
設けられ、該開口を狭めた構造を有している。
Here, the mounting groove 9 has a substantially inverted trapezoidal cross section whose width narrows from the opening toward the bottom, and flanges 9a for locking the sensor are provided on both edges of the opening. It has a structure in which the opening is narrowed.

【0013】一方、上記カバー材8の内面側には、各角
部を挟んで2カ所、合計8カ所に上記各取付け溝9の底
部が突出しており、各底部に形成された二つの底角部9
a,9bのうち、上記カバー材8の角部からより離間し
た方の底角部9a(支持部)が上記チューブ材7の外周
面と当接し、よって、底角部9aすなわちカバー材8の
内面が、チューブ材7の外周面に対して計8カ所で当接
し、該チューブ材7を支持している。
On the other hand, on the inner surface side of the cover member 8, the bottoms of the mounting grooves 9 are projected at two places, a total of eight places, sandwiching each corner, and two bottom corners formed on each bottom. Part 9
Of the a and 9b, the bottom corner portion 9a (supporting portion) that is farther from the corner portion of the cover material 8 contacts the outer peripheral surface of the tube material 7, and thus the bottom corner portion 9a, that is, the cover material 8 is formed. The inner surface is in contact with the outer peripheral surface of the tube material 7 at a total of eight places to support the tube material 7.

【0014】また、カバー材8の内面における各辺の略
中央部には、第一リブ11(支持部)がチューブ材の軸
線方向に沿って一体に凸設され、同様に上記チューブ材
7の外周面に当接しており、計4カ所で該チューブ材を
支持している。そうすることにより、チューブ材7の外
周面が計12カ所で支持され、カバー材8内においてチ
ューブ材7が位置決めされている。
Further, first ribs 11 (supporting portions) are integrally provided in a projecting manner along the axial direction of the tube material at approximately the center of each side on the inner surface of the cover material 8. It is in contact with the outer peripheral surface and supports the tube material at a total of four places. By doing so, the outer peripheral surface of the tube material 7 is supported at 12 places in total, and the tube material 7 is positioned in the cover material 8.

【0015】更に、カバー材8の角部の内面と、該角部
を挟む2つの側面にそれぞれ形成された取付け溝9の内
面と、チューブ材7の外周面とによって囲まれた空間1
2には、上記シリンダチューブ2の両端に嵌着された一
対のエンドカバー5,6を相互に連結することによりカ
バー材8とチューブ材7とを固定保持するタイロッド1
0が貫挿されている。すなわち、カバー材8の四隅に4
本のタイロッド10が貫挿されている。一方、上記カバ
ー材8の各角部の内面側にはそれぞれ、内挿されている
チューブ材7の略中心に向けて且つその軸線方向に沿っ
て、第二リブ13が一体に凸設されており、その先端が
上記タイロッド10の外周に当接して、該タイロッド1
0を支持している。
Further, the space 1 surrounded by the inner surface of the corner portion of the cover material 8, the inner surfaces of the mounting grooves 9 respectively formed on the two side surfaces sandwiching the corner portion, and the outer peripheral surface of the tube material 7.
A tie rod 1 fixedly holds a cover material 8 and a tube material 7 by connecting a pair of end covers 5 and 6 fitted to both ends of the cylinder tube 2 to each other.
0 is inserted. That is, the four corners of the cover material 8
A book tie rod 10 is inserted. On the other hand, on the inner surface sides of the respective corners of the cover member 8, second ribs 13 are integrally provided so as to protrude toward the substantial center of the inserted tube member 7 and along the axial direction thereof. The tip of the tie rod 10 contacts the outer periphery of the tie rod 10
We support 0.

【0016】なお、図示は省略するが、タイロッド10
はボルトとナットから構成されており、両者を相互に締
め付けることにより、上記エンドカバー5,6間に上記
シリンダチューブ2を挟持させると共に、該シリンダチ
ューブ2を構成するカバー材8及びチューブ材7とを相
互に固定保持させるようになっている。
Although not shown, the tie rod 10
Is composed of a bolt and a nut, and the cylinder tube 2 is sandwiched between the end covers 5 and 6 by tightening the two together, and a cover member 8 and a tube member 7 that constitute the cylinder tube 2 are provided. Are fixed to each other and held.

【0017】図3は本発明に係る流体圧シリンダ用シリ
ンダチューブの第二の実施例を示すもので、上記タイロ
ッド10に当接してそれを支持する第二リブ13a,1
3bが、カバー材8の角部を挟む各側面の内面側から垂
直に上記空間12に向けて、且つチューブ材7の中心軸
に沿って一体にそれぞれ凸設されており、カバー材8の
四隅に位置する上記空間12に貫挿されたタイロッド1
0の外周をそれぞれ、互いに略直交する2カ所において
支持している。その他の構成については、第一の実施例
と同じであり、説明の重複を避けるために省略する。
FIG. 3 shows a second embodiment of the cylinder tube for a fluid pressure cylinder according to the present invention. The second ribs 13a, 1 which abut the tie rod 10 and support it.
3b are provided so as to vertically project from the inner surfaces of the side surfaces sandwiching the corners of the cover material 8 toward the space 12 and integrally along the central axis of the tube material 7, and the four corners of the cover material 8 are provided. Tie rod 1 inserted into the space 12 located at
The outer periphery of 0 is supported at two positions that are substantially orthogonal to each other. Other configurations are the same as those in the first embodiment, and will be omitted to avoid duplication of description.

【0018】図4は本発明に係る流体圧シリンダ用シリ
ンダチューブの第三の実施例を示すもので、上記タイロ
ッド10に当接してそれを支持する第二リブ13c,1
3dが、上記カバー材8に凹設された上記各取付け溝9
の該カバー材8の内面側に位置する底角部9a,9bの
うち、上記カバー材9の角部により近接した方の底角部
9b近傍の内面側から上記空間12に向けて、且つチュ
ーブ材7の軸線方向に沿ってそれぞれ凸設されており、
カバー材8の四隅に位置する上記空間12に貫挿された
タイロッド10の外周を互いに略対向する2カ所におい
て支持している。その他の構成については、第一の実施
例と同じであり、説明の重複を避けるために省略する。
FIG. 4 shows a third embodiment of the cylinder tube for a fluid pressure cylinder according to the present invention. The second ribs 13c, 1 are in contact with the tie rod 10 to support it.
3d is the above-mentioned mounting groove 9 recessed in the cover material 8.
Of the bottom corners 9a, 9b located on the inner surface side of the cover material 8 toward the space 12 from the inner surface side in the vicinity of the bottom corner portion 9b closer to the corner of the cover material 9. It is provided so as to project along the axial direction of the material 7,
The outer circumferences of the tie rods 10 inserted into the spaces 12 located at the four corners of the cover member 8 are supported at two locations that are substantially opposite to each other. Other configurations are the same as those in the first embodiment, and will be omitted to avoid duplication of description.

【0019】なお、上記実施例において、ピストンの近
接を検出する検出器としては、通常、ピストンに設けた
磁石による磁場の近接を検出するものが用いられるが、
それに限るものではない。また、上記実施例において
は、チューブ材7の外周面が、カバー材8の各内側面に
一体に凸設され、且つ上記チューブ材7の軸線方向に沿
った中心線上に位置する四つの第一リブ11と、カバー
材8の各角部を挟んで凹設された取付け溝9のカバー材
8の内面側に位置する8カ所の底角部9bとからなる2
種類の支持部で支持されて、上記カバー材に対して位置
決めされていたが、どちらか一方でも差し支えない。
In the above embodiment, as the detector for detecting the proximity of the piston, a detector for detecting the proximity of the magnetic field by the magnet provided in the piston is usually used.
It is not limited to that. In addition, in the above-described embodiment, the outer peripheral surface of the tube member 7 is integrally provided on each inner side surface of the cover member 8 so as to project integrally, and is located on the center line along the axial direction of the tube member 7. A rib 11 and eight bottom corner portions 9b located on the inner surface side of the cover material 8 of a mounting groove 9 provided so as to sandwich each corner portion of the cover material 2
Although it was supported by the supporting portion of the kind and positioned with respect to the cover material, either one may be used.

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

【図1】本発明に係るシリンダチューブを装着した流体
圧シリンダの縦断面図である。
FIG. 1 is a vertical cross-sectional view of a fluid pressure cylinder equipped with a cylinder tube according to the present invention.

【図2】本発明に係るシリンダチューブの第一の実施例
を示す図1のA−A断面図である。
FIG. 2 is a sectional view taken along the line AA of FIG. 1 showing a first embodiment of the cylinder tube according to the present invention.

【図3】本発明に係るシリンダチューブの第二の実施例
を示す図1のA−A断面図である。
FIG. 3 is a sectional view taken along line AA of FIG. 1 showing a second embodiment of the cylinder tube according to the present invention.

【図4】本発明に係るシリンダチューブの第三の実施例
を示す図1のA−A断面図である。
FIG. 4 is a sectional view taken along the line AA of FIG. 1 showing a third embodiment of the cylinder tube according to the present invention.

【符号の説明】[Explanation of symbols]

1 流体圧シリンダ 2 シリンダチューブ 3 ピストン 5,6 エンドカバー 7 チューブ材 8 カバー材 9 取付け溝 9a 底角部(支持部) 10 タイロッド 11 第一リブ(支持部) 13,13a,13b,13c,13d 第二リブ 1 Fluid pressure cylinder 2 cylinder tubes 3 pistons 5,6 End cover 7 Tube material 8 cover materials 9 mounting groove 9a Bottom corner portion (support portion) 10 Tie rod 11 First rib (supporting part) 13, 13a, 13b, 13c, 13d Second rib

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】パイプによって形成したチューブ材と、そ
の周囲に間隙を置いて外嵌したカバー材とを備え、 該カバー材の内面に一体に形成されていると共に、上記
チューブ材の軸線方向に沿った複数の線上に位置する支
持部によって、上記チューブ材を上記カバー材内で支持
することにより、該カバー材とチューブ材とを相対的に
位置決めし、 上記チューブ材とカバー材の両端を、それらの間に与え
られた上記間隙に挿通したタイロッドで相互に連結され
る一対のエンドカバーにより、相互に固定的に保持させ
た、ことを特徴とする流体圧シリンダ用シリンダチュー
ブ。
1. A tube material formed of a pipe, and a cover material fitted around the tube material with a gap therebetween. The cover material is integrally formed on the inner surface of the cover material, and is arranged in the axial direction of the tube material. By supporting the tube material in the cover material by the support portions located on a plurality of lines along the line, the cover material and the tube material are relatively positioned, and both ends of the tube material and the cover material are A cylinder tube for a fluid pressure cylinder, which is fixedly held to each other by a pair of end covers connected to each other by a tie rod inserted through the gap provided between them.
【請求項2】カバー材の外面に、シリンダ内のピストン
の位置検出を行う検出器の取付け溝を上記チューブ材の
軸線方向に沿って複数凹設することにより、上記カバー
材の内面側に突出した該取付け溝の底部を上記支持部と
した、ことを特徴とする請求項1に記載の流体圧シリン
ダ用シリンダチューブ。
2. A plurality of mounting grooves for a detector for detecting the position of a piston in a cylinder are provided on the outer surface of the cover material so as to be recessed along the axial direction of the tube material, thereby projecting to the inner surface side of the cover material. The cylinder tube for a fluid pressure cylinder according to claim 1, wherein a bottom portion of the mounting groove serves as the support portion.
【請求項3】カバー材の内面に、上記チューブ材の軸線
方向に沿って複数凸設した第一リブを上記支持部とし
た、ことを特徴とする請求項1に記載の流体圧シリンダ
用シリンダチューブ
3. The cylinder for a fluid pressure cylinder according to claim 1, wherein a plurality of first ribs are provided on the inner surface of the cover material so as to project along the axial direction of the tube material as the support portion. tube
【請求項4】カバー材の内面に、一対のエンドカバーを
連結するタイロッドを支持する第二リブを、上記チュー
ブ材の軸線方向に沿って凸設した、ことを特徴とする請
求項1〜3の何れかに記載の流体圧シリンダ用シリンダ
チューブ。
4. A second rib for supporting a tie rod connecting a pair of end covers is provided on the inner surface of the cover material so as to project along the axial direction of the tube material. A cylinder tube for a fluid pressure cylinder according to any one of 1.
JP2001263606A 2001-08-31 2001-08-31 Cylinder tube for fluid pressure cylinder Expired - Fee Related JP3780187B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2001263606A JP3780187B2 (en) 2001-08-31 2001-08-31 Cylinder tube for fluid pressure cylinder
DE2002139519 DE10239519B4 (en) 2001-08-31 2002-08-23 Fluid pressure cylinder with cylinder tube

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001263606A JP3780187B2 (en) 2001-08-31 2001-08-31 Cylinder tube for fluid pressure cylinder

Publications (2)

Publication Number Publication Date
JP2003074513A true JP2003074513A (en) 2003-03-12
JP3780187B2 JP3780187B2 (en) 2006-05-31

Family

ID=19090334

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001263606A Expired - Fee Related JP3780187B2 (en) 2001-08-31 2001-08-31 Cylinder tube for fluid pressure cylinder

Country Status (2)

Country Link
JP (1) JP3780187B2 (en)
DE (1) DE10239519B4 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102362077A (en) * 2009-03-25 2012-02-22 费斯托股份有限两合公司 Housing tube and linear drive provided therewith

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007029628B3 (en) * 2007-06-26 2009-01-15 Robert Bosch Gmbh Pneumatic cylinder with a cylinder housing made of extruded metal

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3731734A1 (en) * 1987-09-21 1989-04-06 Fritz Hildebrandt Machine with hydraulic cylinder
JP3780052B2 (en) * 1997-01-16 2006-05-31 Smc株式会社 Switch mounting mechanism for fluid pressure equipment
JP3295619B2 (en) * 1997-07-16 2002-06-24 エスエムシー株式会社 Sensor mounting for hydraulic cylinders
DE29818823U1 (en) * 1998-10-22 1999-01-07 Kuhnke Gmbh Kg H Fluid actuator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102362077A (en) * 2009-03-25 2012-02-22 费斯托股份有限两合公司 Housing tube and linear drive provided therewith

Also Published As

Publication number Publication date
DE10239519A1 (en) 2003-04-03
JP3780187B2 (en) 2006-05-31
DE10239519B4 (en) 2007-05-03

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