EP0492750A1 - Cylindre profilé pour vérin sans tige - Google Patents

Cylindre profilé pour vérin sans tige Download PDF

Info

Publication number
EP0492750A1
EP0492750A1 EP91250321A EP91250321A EP0492750A1 EP 0492750 A1 EP0492750 A1 EP 0492750A1 EP 91250321 A EP91250321 A EP 91250321A EP 91250321 A EP91250321 A EP 91250321A EP 0492750 A1 EP0492750 A1 EP 0492750A1
Authority
EP
European Patent Office
Prior art keywords
profile tube
section
cross
tube
longitudinal direction
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.)
Withdrawn
Application number
EP91250321A
Other languages
German (de)
English (en)
Inventor
Peter Müller
Helmut Göttling
Rudolf Möller
Gerhard Scharnowski
Ralf Kook
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.)
Vodafone GmbH
Original Assignee
Mannesmann AG
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 Mannesmann AG filed Critical Mannesmann AG
Publication of EP0492750A1 publication Critical patent/EP0492750A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/084—Characterised by the construction of the motor unit the motor being of the rodless piston type, e.g. with cable, belt or chain

Definitions

  • a rodless working cylinder is known from German published patent application DE 34 03 830, the profile tube of which has a closed cross section.
  • this known working cylinder there is no longitudinal slot for arranging a driver between the piston and the slide guided outside, since here the use of a tension band is provided, which is guided at the ends of the cylinder tube via deflection rollers parallel to the cylinder interior on the outside.
  • a disadvantage of this known working cylinder is that the cylinder interior has a round cross section. As a result, there is no rotational guidance of the piston.
  • the invention has for its object to provide a profile tube for rodless working cylinders, which is torsionally rigid and guides the piston against rotation and at the same time specifies a compact design.
  • a profile tube with a closed, one-piece cross section in conjunction with a cylinder space with an elliptical cross section arranged within the profile tube cross section has the advantage that the cylinder tube is torsionally rigid on the one hand and the piston is guided against rotation within the elliptical cross section of the cylinder interior. This relieves the seals for the traction mechanism.
  • the cross-sectionally elliptical design of the cylinder interior is known from patent application FR-2 245 865, but is provided here for a working cylinder with a piston rod.
  • the anti-rotation device of the piston in the present invention serves only to relieve the tension band seals and thus to make the piston run smoother.
  • the arrangement of grooves extending in the longitudinal direction and provided with toothings on at least one of the outer sides of the profile tube, within which corresponding screws can be screwed in, has the advantage that no additional threaded holes are drilled using attachments need to be screwed into the profile tube at any point along the grooves of the working cylinder.
  • the arrangement of inwardly trapezoidally widening guide grooves, which extend in the longitudinal direction of the profile tube, leads in a simple manner to the possibility of attaching additional attachments, such as position switches or the like.
  • the grooves can also have a trapezoidal cross-section which tapers inwards, so that attachments of the commercial type provided with corresponding fastening elements can also be used.
  • FIG. 1 shows the rodless cylinder in which the cross-section of the profile tube and the arrangement of the individual elements of the cylinder are visible in one section.
  • the profile tube 1 has a closed, one-piece cross section, within which all the elements required for the working cylinder are arranged in an integrated manner.
  • the cylinder space 4 has an elliptical cross section, within which a piston 11 is guided with a cross section that is also elliptical and adapted to the cross section of the cylinder interior. The axial ends of the piston 11 are connected to the tension band 3, which is led out of the cylinder interior 4 in the region of the cylinder cover 8 and is thereby sealed.
  • the profile tube 1 is provided with a one-piece sliding guide 12 and has a dovetail cross-section. The carriage is molded accordingly that it is guided in this dovetail-shaped slide guide. Pressure medium lines 5 are arranged within the profile tube cross section and extend in the longitudinal direction of the profile tube.
  • the extension of the grooves 13 in the longitudinal direction has the effect that screw elements can be used at any conceivable location along the grooves, thereby eliminating the need for dimensionally accurate drilling of the cylinder tube in accordance with the position of the fastening screws.
  • guide grooves 14 which also extend in the longitudinal direction, are arranged for receiving attachments.
  • Such attachments can be limit switches, signal transmitters etc., for example.
  • Via holding grooves 15 that follow are designed to expand on the outside, the working cylinder is held or connected to a machine.
  • Figure 2 shows an alternative embodiment of the profile tube cross-section.
  • the reserve channel 7 is laterally expanded so that material can be saved in the manufacture of the profile tube without the statics and thus the torsional rigidity of the profile tube suffers.
  • the fastening grooves 17 are trapezoidal in shape in such a way that they taper towards the inside of the profile tube cross section. This makes it easy to attach attachments of the commercial type.
  • this profile tube represents a compact and practical design for a tension band cylinder.
  • the relief of the seals and the deflection rollers required for the tension band and last but not least the tension band itself by the design of a non-rotating piston, in connection with the compact profile tube containing all the essential elements is functional and simple.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Pistons, Piston Rings, And Cylinders (AREA)
EP91250321A 1990-12-20 1991-12-03 Cylindre profilé pour vérin sans tige Withdrawn EP0492750A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4041370 1990-12-20
DE4041370A DE4041370C2 (de) 1990-12-20 1990-12-20 Profilrohr für kolbenstangenlosen Arbeitszylinder

Publications (1)

Publication Number Publication Date
EP0492750A1 true EP0492750A1 (fr) 1992-07-01

Family

ID=6421161

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91250321A Withdrawn EP0492750A1 (fr) 1990-12-20 1991-12-03 Cylindre profilé pour vérin sans tige

Country Status (4)

Country Link
US (1) US5245912A (fr)
EP (1) EP0492750A1 (fr)
JP (1) JPH04285305A (fr)
DE (1) DE4041370C2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0781931A1 (fr) * 1995-12-27 1997-07-02 Howa Machinery, Ltd. Dispositif d'entraînement linéaire
US5868499A (en) * 1996-09-06 1999-02-09 Deutsche Star Gmbh Linear guiding unit

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5522302A (en) * 1994-05-31 1996-06-04 Compact Air Products, Inc. Cylinder and piston assembly and method of porting
EP0735277A3 (fr) * 1995-03-28 1996-10-09 MANNESMANN Aktiengesellschaft Vérin hydraulique fonctionnant au moyen de fluides
USD380042S (en) * 1995-06-26 1997-06-17 Yuda Lawrence F Air cylinder housing
DE19601427A1 (de) * 1996-01-17 1997-07-24 Thyssen Industrie Vorrichtung zum Fixieren von Karosserieblechen im Automobilbau
DE29706401U1 (de) * 1997-04-11 1997-06-05 Festo Kg Linearantrieb
US6257123B1 (en) 1997-10-24 2001-07-10 Phd, Inc. Rodless slides
US5988042A (en) * 1997-10-24 1999-11-23 Phd, Inc. Rodless cylinder with internal bearings
JP3373820B2 (ja) 1999-10-18 2003-02-04 エスエムシー株式会社 ロッドレスシリンダ
DE10112637A1 (de) * 2001-03-14 2002-09-19 Continental Teves Ag & Co Ohg Aus einem Strang abgeschnittenes Rohteil f. einen Hauptzylinder sowie hieraus gefertigter Hauptzylinder
USD732473S1 (en) 2013-05-16 2015-06-23 Parker-Hannifin Corporation Cylinder assembly
CN108061074B (zh) * 2016-11-09 2019-11-08 英属开曼群岛商亚德客国际股份有限公司 无杆缸
CN110778570B (zh) * 2019-11-11 2021-11-02 合肥合锻智能制造股份有限公司 一种双柱塞式回程油缸装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403830A1 (de) * 1983-04-12 1984-10-18 Knorr-Bremse GmbH, 8000 München Fluidgetriebener kolbenstangenloser arbeitszylinder
EP0177880A1 (fr) * 1984-10-09 1986-04-16 GAS Gesellschaft für Antriebs- und Steuerungstechnik mbH & Co.KG Dispositif de commande de translation
EP0384032A1 (fr) * 1989-02-23 1990-08-29 Mannesmann Rexroth Pneumatik Gmbh Vérin à fluide sous pression

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511136A (en) * 1968-04-08 1970-05-12 Tomco Inc Cylindrical body rams with mounting accessories
DE2404244A1 (de) * 1974-01-30 1975-08-07 Ahrendt & Birkendahl Ohg Kolbenstangenloser arbeitszylinder
US4664020A (en) * 1981-06-25 1987-05-12 Proma Produkt-Und Marketing Gesellschaft M.B.H. Piston-cylinder structure
DE3319522C2 (de) * 1983-05-28 1985-08-29 Festo-Maschinenfabrik Gottlieb Stoll, 7300 Esslingen Druckmittelbetätigte Kolben-Zylinder-Einheit
US4545290A (en) * 1983-12-23 1985-10-08 Tol-O-Matic, Inc. Pressure cylinder
DE3411823A1 (de) * 1984-03-30 1985-10-10 Festo KG, 7300 Esslingen Fuehrungsgehaeuse fuer das zum kraftabgriff dienende, linear bewegte abtriebsteil eines motors
DE8424035U1 (de) * 1984-08-13 1984-11-22 Herion-Werke Kg, 7012 Fellbach Kolbenstangenloser zylinder
DE3436946C2 (de) * 1984-10-09 1994-06-09 Mannesmann Ag Linearantrieb
US4852465A (en) * 1985-12-18 1989-08-01 Tol-O-Matic, Inc. Carrier bracket for power cylinder
US4829881A (en) * 1987-03-12 1989-05-16 Ckd Corporation Rod-less cylinder
SE463325B (sv) * 1988-11-14 1990-11-05 Monsun Tison Ab Anordning foer linjaerroerelse
DE3909344A1 (de) * 1989-03-22 1990-09-27 Rexroth Pneumatik Mannesmann Druckmittelbetaetigbarer arbeitszylinder

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3403830A1 (de) * 1983-04-12 1984-10-18 Knorr-Bremse GmbH, 8000 München Fluidgetriebener kolbenstangenloser arbeitszylinder
EP0177880A1 (fr) * 1984-10-09 1986-04-16 GAS Gesellschaft für Antriebs- und Steuerungstechnik mbH & Co.KG Dispositif de commande de translation
EP0384032A1 (fr) * 1989-02-23 1990-08-29 Mannesmann Rexroth Pneumatik Gmbh Vérin à fluide sous pression

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0781931A1 (fr) * 1995-12-27 1997-07-02 Howa Machinery, Ltd. Dispositif d'entraînement linéaire
US5701798A (en) * 1995-12-27 1997-12-30 Howa Machinery, Ltd. Linear actuating device
US5868499A (en) * 1996-09-06 1999-02-09 Deutsche Star Gmbh Linear guiding unit

Also Published As

Publication number Publication date
JPH04285305A (ja) 1992-10-09
DE4041370C2 (de) 1995-06-01
US5245912A (en) 1993-09-21
DE4041370A1 (de) 1992-07-02

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