EP0598173A2 - Dispositif pour la mise en place d'un raccord sur un tube - Google Patents

Dispositif pour la mise en place d'un raccord sur un tube Download PDF

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Publication number
EP0598173A2
EP0598173A2 EP93103664A EP93103664A EP0598173A2 EP 0598173 A2 EP0598173 A2 EP 0598173A2 EP 93103664 A EP93103664 A EP 93103664A EP 93103664 A EP93103664 A EP 93103664A EP 0598173 A2 EP0598173 A2 EP 0598173A2
Authority
EP
European Patent Office
Prior art keywords
spindle
stop plates
stop
expanding
pipe
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
EP93103664A
Other languages
German (de)
English (en)
Other versions
EP0598173B1 (fr
EP0598173A3 (en
Inventor
Rolf Dipl.-Ing. Lücke
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.)
THERMCONCEPT PRODUKTE FUER HEIZUNG UND SANITAER GM
Original Assignee
Thermconcept Produkte fur Heizung und Sanitar & Co GmbH
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 Thermconcept Produkte fur Heizung und Sanitar & Co GmbH filed Critical Thermconcept Produkte fur Heizung und Sanitar & Co GmbH
Publication of EP0598173A2 publication Critical patent/EP0598173A2/fr
Publication of EP0598173A3 publication Critical patent/EP0598173A3/de
Application granted granted Critical
Publication of EP0598173B1 publication Critical patent/EP0598173B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B27/00—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for
    • B25B27/02—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same
    • B25B27/10—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for connecting objects by press fit or detaching same inserting fittings into hoses
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D41/00—Application of procedures in order to alter the diameter of tube ends
    • B21D41/02—Enlarging
    • B21D41/026—Enlarging by means of mandrels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B21/00—Portable power-driven screw or nut setting or loosening tools; Attachments for drilling apparatus serving the same purpose

Definitions

  • the invention relates to a device according to the preamble of claim 1.
  • Such devices are known from practice and are used for the permanent attachment of a connecting sleeve to a pipe end, for example a plastic pipe.
  • the attachment is done by first widening the pipe end so that it fits over the socket of a fitting. The pipe end is then pushed onto this connector by hand. This creates a provisional clamping fixture of the fitting on the pipe due to the elasticity and the restoring forces of the expanded pipe.
  • the final fastening is carried out by pushing a pressure sleeve from the pipe area with an unchanged cross section onto the end section of the pipe, with strong squeezing forces being built up between the pressure sleeve, pipe and the fitting lead to an inseparable attachment of the fitting to the pipe end.
  • hand-operated devices are used as assembly tools for carrying out these method steps, in which two stop plates are mounted so as to be movable relative to one another.
  • these stop plates have notches that correspond to the pipe diameter, so that, for example, a fitting rests with its free end on the inner surface of one stop plate, while the pipe runs through the corresponding notch of the other stop plate and the pressure sleeve rests on the inside of this second stop plate . If the two stop plates are now moved towards each other, the pressure sleeve is pushed onto the widened pipe section which sits on the socket of the fitting.
  • Two different types of drive are known for the tools available in practice.
  • a pistol-like holder in which the movement of the two stop plates takes place in steps in a plurality of stages via a toothed rack.
  • the manual forces to be deployed in such devices are very high, so that even the actuating forces come to the weight of the device, making long-term work impossible.
  • hydraulic supports for the devices are known, for example with meter-long hose connections, so that devices held in the hand can be operated with the aid of a hydraulic foot pump.
  • the long hydraulic lines make these devices space-consuming, so that they take up an undesirably large amount of space in the usual assembly or service vehicle. This is supported in particular by the fact that, in order to protect the hydraulic lines, these devices should be accommodated in larger suitcases, which further increase the unwieldiness when packing the assembly cart.
  • the invention has for its object to improve a generic device in such a way that a simple and reliable solution is created, which allows long-term work with minimal effort.
  • the invention proposes to implement a rotary movement in the longitudinal movement of the two stop plates by creating a spindle drive.
  • a servo effect can be achieved via the thread pitch, which enables the device to be actuated particularly easily even when greater forces are applied.
  • the actuation can be driven by a hand crank, for example.
  • the invention provides an electric drive, so that, for example, drills, cordless screwdrivers or the like, which anyway belong to the equipment of the personnel, can be used to drive this device. This ensures particularly fast and gentle work.
  • Either the drive can be clamped in a transportable but stationary holder or the entire device is attached to the drive and is movable with it.
  • the expansion of the tube can also be carried out as a first process step with the aid of the device according to the invention, so that a drilling machine or a similar drive, once clamped, does not have to be constantly removed from the device to expand the tube and later re-inserted into the device to mount the fitting .
  • a correspondingly designed pipe expander can have receptacles for cooperation with the two stop plates provided on the device, this pipe expander being designed to be removable from the rest of the device for mounting the fitting. However, it can also be firmly connected to the device.
  • Fig. 1, 1 generally designates a device by means of which connecting elements can be fastened to pipelines.
  • the device comprises a base plate 2, two supports 3 and a housing 4.
  • a spindle 5 is rotatably mounted in the housing 4, with a shaft 6 projecting outwards from the housing 4 for driving the spindle 5.
  • a spindle nut 7 is mounted, wherein a groove 8 in the spindle nut 7 and a projection on the housing 4, for example in the form of a screw 9, ensures that the spindle nut 7 does not rotate together with the spindle 5, but instead only moved in a longitudinal movement out of the housing 4 or into the housing 4.
  • Two stop plates 10 and 10a are connected to the housing 4 and the spindle 5, respectively.
  • the stop plates 10 and 10a have different recesses 11 for receiving pipes of different diameters.
  • the stop plates 10 and 10a are rotatably mounted about the longitudinal axis of the device 1.
  • a rotational movement of the stub shaft 6 causes a longitudinal movement of the spindle nut 7 relative to the housing 4, so that the stop plates 10 and 10a either move towards each other or apart will.
  • a bracket 12 is arranged on the base plate 2 adjacent to the stub shaft 6 for receiving an electric drive, for example in the form of a drill, a cordless screwdriver or the like.
  • the attachment of a connecting element to a pipeline is initially carried out by widening the free end of the pipeline.
  • the device 1 has a tube expander 14, which is detachably separate from the other device 1.
  • the tube expander 14 comprises an expanding mandrel 15 which has a thickening 16 with an annular groove 17 at its rear end. With the annular groove 17, the expanding mandrel 15 can be inserted into a recess 11 in the stop plate 10, the thickening 16 creating a contact surface with which the expanding mandrel 15 can be acted upon by the stop plate 10.
  • the expanding mandrel 15 extends through a guide 18, the guide 18 having an area 19 with a reduced diameter with which the guide 18 can be inserted into a recess 11 in the stop plate 10a.
  • the guide 18 creates a contact surface on which it can be acted upon by the stop plate 10a.
  • the guide 18 is followed by a housing 20 for a plurality of spreading elements of segment-like design, of which finger-like expansion elements 21 protrude from the housing 20 and one which is cylindrical overall Form body.
  • the tube expander 14 is inserted with the annular groove 17 on the one hand and the region 19 with a reduced diameter on the other hand in two recesses 11 of the two stop plates 10 and 10a, the tip of the expanding mandrel 15 not resting against the expanding elements, or at least without pressure.
  • a tube is attached with its free end to the expansion elements 21 and then the drilling machine is actuated so that the two stop plates 10 and 10a are moved relative to one another by a movement of the spindle nut 7 relative to the housing 4.
  • the expanding mandrel 15 is pressed between the expansion elements , so that the expansion elements 21 move apart in a star shape and form a cylinder with a larger diameter. In this way the free end of the tube is expanded.
  • the pipe expander 14 is then removed from the device 1 and the entire assembly assembly of the components to be connected is inserted into the device 1, this assembly assembly being designated 22 overall.
  • the assembly 22 comprises a pressure sleeve 23, which is either pushed onto the area 24 of the pipe with a normal diameter or which was pushed onto the pipe before the pipe end was widened.
  • the widened area of the tube is designated 25.
  • the tube With this widened area 25, the tube is first pushed onto a coupling connector 26 of a fitting 27, for example by hand. With an annular groove 28 of the fitting 27, it can be inserted into a recess 11 in the stop plate 10a, while the area 24 of the tube is inserted into a recess 11 of the stop plate 10.
  • the pressure sleeve 23 and the widened area 25 of the tube on the coupling socket 26 are now between the two stop plates 10 and 10a.
  • the housing 4 is fixed, while only the spindle nut 7 moves relative to the housing 4.
  • Other bearings are possible in which both stop plates 10 and 10a are moved towards or away from each other simultaneously by a spindle actuation.
  • the device 1 can comprise special holding means. These can be tabs or the like, for example, with which the device can be clamped in a screw clamp. However, these can also be clamps provided on the device, with which the device 1 can be attached to railings, plates or similar projections.
  • FIG. 2 and 3 Such a device is shown in Figures 2 and 3.
  • the device 101 shown therein also has two stop plates 110 and 110a, which are mounted such that they can be moved relative to or away from one another via a spindle 105 and a spindle nut 107.
  • a stub shaft 106 is connected to an electric drive in the form of a drill of a cordless screwdriver or the like, an Allen screw 130, the shaft of which can be machined for one, if necessary, can be used as an extension or adapter element better power transmission from the electric drive to the screw 130.
  • the housing 104 has two shoulders 131, on which a fastening sleeve 132 is mounted so as to be longitudinally displaceable.
  • the fastening sleeve 132 has a fastening end 133 with a shoulder, with which it can be fixed to a clamping flange 134 of the electric drive, this clamping flange 134 having a diameter standardized for many devices, for example the attachment of a second handle or the clamping of the tool in a drill stand or the like.
  • the fastening sleeve 132 can be tightened on the clamping flange 134, further fastening between the device 101 and the electrical drive being carried out via the shaft end 106 or the screw 130.
  • a longitudinal movement between the housing 104 and the fastening sleeve 132 can additionally be made possible or excluded by a wing nut 135.
  • the fastening sleeve 132 can first be pushed as far as possible onto the shoulders 131 of the housing 104, as shown in FIG. 3, so that the housing 104 is almost complete is covered by the mounting sleeve 132.
  • the shaft end 106 is optimally accessible in this way, so that the drive connection between the device 101 and the electric drive can be established.
  • the fastening sleeve 132 can then be pushed with its fastening end 133 onto the clamping flange 134 and fixed there with the aid of the toggle 135.
  • the wing nut 136 is also tightened so that overall a secure fixation of the device 101 on the electric drive is effected.
  • the fastening sleeve 132 engages around a pin 137 which extends in the grooves of the spindle nut or a sleeve which is fixedly connected to the spindle nut 107.
  • the fastening sleeve 132 has a recess 138.
  • the two stop plates 110 and 110a each have only two recesses 111.
  • the processing of a large number of different pipes can be possible, for example, by using different wall thicknesses for the different pipe types, so that the same outside diameters are used for different inside diameters or different outside diameters are used for the same inside diameters, so that the treatment of several pipe types in the same Recess 111 can be made.
  • stop bumpers 139 are arranged, which are made of an elastic Material exist and can be formed for example by commercially available O-rings.
  • the stop buffers 139 ensure that the two metal plates 110 and 110a do not collide hard, so that no hard impacts or impacts can propagate through the device 101 into the electric drive and, if necessary, can damage the bearing or the drill chuck.
  • the pipe expander 114 is arranged in a stationary manner on the device 101 in the second exemplary embodiment.
  • the expanding mandrel 115 is acted upon directly by the spindle 105, so that the expanding elements are expanded each time the stop plates 110, 110a are moved towards one another.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Drilling And Boring (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Supports For Pipes And Cables (AREA)
  • Flanged Joints, Insulating Joints, And Other Joints (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
EP93103664A 1992-11-17 1993-03-08 Dispositif pour la mise en place d'un raccord sur un tube Expired - Lifetime EP0598173B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4238700 1992-11-17
DE4238700A DE4238700C2 (de) 1992-11-17 1992-11-17 Vorrichtung zur Befestigung von Verbindungselementen an Rohrleitungen

Publications (3)

Publication Number Publication Date
EP0598173A2 true EP0598173A2 (fr) 1994-05-25
EP0598173A3 EP0598173A3 (en) 1994-08-24
EP0598173B1 EP0598173B1 (fr) 1999-01-13

Family

ID=6473040

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93103664A Expired - Lifetime EP0598173B1 (fr) 1992-11-17 1993-03-08 Dispositif pour la mise en place d'un raccord sur un tube

Country Status (4)

Country Link
EP (1) EP0598173B1 (fr)
AT (1) ATE175614T1 (fr)
DE (2) DE4238700C2 (fr)
ES (1) ES2127226T3 (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995009703A1 (fr) * 1993-10-06 1995-04-13 The Deutsch Company Outil de sertissage
DE19713989A1 (de) * 1996-04-08 1997-10-30 Mitsubishi Kagaku Sanshi Corp Fitting für ein Kunststoffrohr
WO1999047311A1 (fr) * 1998-03-17 1999-09-23 Aeroquip Corporation Outil de raccordement de tuyaux
FR2884748A1 (fr) * 2005-04-25 2006-10-27 Gripp Soc Par Actions Simplifi Outil manuel de montage par glissement d'une bague de sertissage sur un conduit monte sur un embout
DE102006001326A1 (de) * 2006-01-09 2007-07-19 Tecno Plast Industrietechnik Gmbh Schlauchanschluss für niedrige Drücke
EP2085188A1 (fr) * 2008-02-02 2009-08-05 Wezag GmbH Werkzeugfabrik Pince extensible
WO2010040812A1 (fr) * 2008-10-10 2010-04-15 Uponor Innovation Ab Système d'outil pour raccorder un tuyau en plastique
WO2011059303A1 (fr) * 2009-11-10 2011-05-19 Industria Regiomontana Quantron, S.A. De C.V. Presse mécanique multipartite pour raccords à brides avec mécanisme de mouvement actionné par des coins
CN106457354A (zh) * 2014-06-03 2017-02-22 瑞好股份公司 用于将塑料管连接到配件的工具装置
CN107571194A (zh) * 2017-09-07 2018-01-12 共享钢构有限责任公司 滑动装置、箱型牛腿装配组件及圆管柱安装箱型牛腿方法
DE102020108873A1 (de) 2020-03-31 2021-09-30 Baudat Gmbh & Co. Kg Werkzeug zum Verpressen und/oder zum Aufweiten eines Rohrabschnitts
WO2022034499A1 (fr) * 2020-08-10 2022-02-17 LEHENTECH, proizvodnja in druge storitve d.o.o. Tête d'outil coulissant électrique et outil coulissant électrique

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009004139B4 (de) * 2009-01-06 2013-07-11 Alfred Siemer Vorrichtung zur Montage und Demontage eines Profilrohrs mit bzw. von einer Gelenkgabel einer Kreuzgelenkwelle
DE202010013813U1 (de) * 2010-10-04 2012-01-13 Rehau Ag + Co. Schiebeelement zur Übertragung einer Schiebekraft auf ein Rohranschlusselement und Verbindungswerkzeug, das ein derartiges Schiebeelement umfasst
DE202012104763U1 (de) * 2012-12-07 2014-03-11 Rehau Ag + Co. Werkzeugvorrichtung zum Anschluss eines Kunststoffrohres oder eines Metall-Kunststoff-Verbundrohres an einen Fitting mit einer Schiebe- oder Presshülse

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE543102A (fr) *
US2444601A (en) * 1944-11-27 1948-07-06 Elkhart Brass Mfg Co Readily detachable expander in apparatus for attaching couplings to hose
EP0157966A1 (fr) * 1982-11-22 1985-10-16 Aeroquip AG Dispositif d'emboutissage d'un raccord sur un tube, entraîné manuellement
FR2654798A1 (fr) * 1989-11-21 1991-05-24 Gaz De France Outil pour la mise en place d'un embout a une extremite d'un tube.
EP0444491A1 (fr) * 1990-02-27 1991-09-04 Ciro Mastromatteo Etau pour assemblage de jointures pour tuyaux flexibles

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1596112A (en) * 1978-03-31 1981-08-19 British Gas Corp Pipe coupling and a method for assembling the coupling
DE1012132B (de) * 1954-12-23 1957-07-11 Cie De Pont A Mousson Vorrichtung fuer die Verbindung von rohrartigen Elementen aus starrem Kunststoff durch gegenseitiges Ineinanderschieben der Rohre unter Druck
DE2654102C2 (de) * 1976-11-29 1984-01-05 Rothenberger GmbH & Co Werkzeuge-Maschinen KG, 6000 Frankfurt Expansionskopf für Rohraufweitegeräte mit auswechselbaren Expansionsbacken

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE543102A (fr) *
US2444601A (en) * 1944-11-27 1948-07-06 Elkhart Brass Mfg Co Readily detachable expander in apparatus for attaching couplings to hose
EP0157966A1 (fr) * 1982-11-22 1985-10-16 Aeroquip AG Dispositif d'emboutissage d'un raccord sur un tube, entraîné manuellement
FR2654798A1 (fr) * 1989-11-21 1991-05-24 Gaz De France Outil pour la mise en place d'un embout a une extremite d'un tube.
EP0444491A1 (fr) * 1990-02-27 1991-09-04 Ciro Mastromatteo Etau pour assemblage de jointures pour tuyaux flexibles

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995009703A1 (fr) * 1993-10-06 1995-04-13 The Deutsch Company Outil de sertissage
DE19713989A1 (de) * 1996-04-08 1997-10-30 Mitsubishi Kagaku Sanshi Corp Fitting für ein Kunststoffrohr
US6050608A (en) * 1996-04-08 2000-04-18 Mitsubishi Kagaku Sanshi Corporation Fitting for a plastic pipe
DE19713989C2 (de) * 1996-04-08 2000-07-27 Mitsubishi Kagaku Sanshi Corp Fitting für ein Kunststoffrohr
WO1999047311A1 (fr) * 1998-03-17 1999-09-23 Aeroquip Corporation Outil de raccordement de tuyaux
FR2884748A1 (fr) * 2005-04-25 2006-10-27 Gripp Soc Par Actions Simplifi Outil manuel de montage par glissement d'une bague de sertissage sur un conduit monte sur un embout
DE102006001326A1 (de) * 2006-01-09 2007-07-19 Tecno Plast Industrietechnik Gmbh Schlauchanschluss für niedrige Drücke
EP2085188A1 (fr) * 2008-02-02 2009-08-05 Wezag GmbH Werkzeugfabrik Pince extensible
WO2010040812A1 (fr) * 2008-10-10 2010-04-15 Uponor Innovation Ab Système d'outil pour raccorder un tuyau en plastique
WO2011059303A1 (fr) * 2009-11-10 2011-05-19 Industria Regiomontana Quantron, S.A. De C.V. Presse mécanique multipartite pour raccords à brides avec mécanisme de mouvement actionné par des coins
CN106457354A (zh) * 2014-06-03 2017-02-22 瑞好股份公司 用于将塑料管连接到配件的工具装置
CN106457354B (zh) * 2014-06-03 2019-05-10 瑞好股份公司 用于将塑料管连接到配件的工具装置
CN107571194A (zh) * 2017-09-07 2018-01-12 共享钢构有限责任公司 滑动装置、箱型牛腿装配组件及圆管柱安装箱型牛腿方法
CN107571194B (zh) * 2017-09-07 2020-05-22 共享钢构有限责任公司 滑动装置、箱型牛腿装配组件及圆管柱安装箱型牛腿方法
DE102020108873A1 (de) 2020-03-31 2021-09-30 Baudat Gmbh & Co. Kg Werkzeug zum Verpressen und/oder zum Aufweiten eines Rohrabschnitts
WO2021197873A1 (fr) * 2020-03-31 2021-10-07 Rehau Ag + Co Outil permettant de comprimer et/ou de dilater une section de tuyau
WO2022034499A1 (fr) * 2020-08-10 2022-02-17 LEHENTECH, proizvodnja in druge storitve d.o.o. Tête d'outil coulissant électrique et outil coulissant électrique

Also Published As

Publication number Publication date
EP0598173B1 (fr) 1999-01-13
DE59309300D1 (de) 1999-02-25
DE4238700C1 (de) 1994-07-14
EP0598173A3 (en) 1994-08-24
ES2127226T3 (es) 1999-04-16
ATE175614T1 (de) 1999-01-15
DE4238700C2 (de) 2000-01-05

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