EP1157786A2 - Outil de sertissage pour sertir un élément déconnection - Google Patents

Outil de sertissage pour sertir un élément déconnection Download PDF

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Publication number
EP1157786A2
EP1157786A2 EP01810398A EP01810398A EP1157786A2 EP 1157786 A2 EP1157786 A2 EP 1157786A2 EP 01810398 A EP01810398 A EP 01810398A EP 01810398 A EP01810398 A EP 01810398A EP 1157786 A2 EP1157786 A2 EP 1157786A2
Authority
EP
European Patent Office
Prior art keywords
valve
piston
press tool
hydraulic
tool according
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
EP01810398A
Other languages
German (de)
English (en)
Other versions
EP1157786B1 (fr
EP1157786A3 (fr
Inventor
René Amherd
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.)
Von Arx AG
Original Assignee
Von Arx 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 Von Arx AG filed Critical Von Arx AG
Publication of EP1157786A2 publication Critical patent/EP1157786A2/fr
Publication of EP1157786A3 publication Critical patent/EP1157786A3/fr
Application granted granted Critical
Publication of EP1157786B1 publication Critical patent/EP1157786B1/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

Definitions

  • the present invention relates to a portable, hydraulic working pressing tool for pressing Coupling elements, with a fork-shaped receptacle and a clamp held in this recording, which by means of a piston-cylinder unit with an integrated return spring Is operable, which the features of the preamble of Claim 1.
  • Portable, hydraulic pressing tools at the beginning mentioned type are used for pressing coupling elements, such as press sleeves, press fittings, pipe sockets, one inside the other pushed pipe sections and the like used.
  • the Crimping tools have a clamp with jaws, which a press room for receiving the to be pressed Form coupling element.
  • the one necessary for the pressing Pressing pressure is from a, generally hydraulic, Drive supplied.
  • the devices of interest here preferably on Construction sites are used, it is usually about electrically operated devices.
  • electrically operated devices For example, be pure refer to US-A-5,040,400, in which a pneumatic working device is shown.
  • electrically operated press tool devices such as they are known, for example, from EP-A-0'712'696 (Pamag AG) are.
  • Most of these devices are powered by the network.
  • the availability of electrical connections is often high low on construction sites. Therefore it is desirable to be able to work independently of the network by using the device a battery is operated.
  • the performance of battery-operated devices is very high energy-efficient mode of operation dependent, so a reasonable operating time can be achieved per battery charge.
  • This task is performed by a portable, hydraulically working Press tool with the features of claim 1.
  • the solution according to the invention is implemented by Use a gear pump. Since a gear pump with sufficient power requires a relatively large amount of space Arrangement in the device is crucial to the to achieve the above-mentioned solution without the device to enlarge considerably, which makes it by the corresponding additional weight becomes unwieldy.
  • the invention achieves this by using a modular design on the one hand where the gear pump is on the one hand in the hydraulic block is arranged, however, on the other hand in the two adjacent modules on both sides of the hydraulic block. This also results in an extremely compact arrangement with correspondingly short hydraulic lines and leads corresponding to one, despite built-in batteries, relative light pressing tool.
  • the pressing tool 0 is an electro-hydraulic device, which is implemented here as a battery-operated device.
  • the Press tool 0 has a press tool functional unit 2 a handle 1 is formed.
  • a battery housing 6 on the functional unit 2 molded as a removable part.
  • the pressing tool functional unit 2 is a fork-shaped one Recording 3 recognizable.
  • the clamp 4 held. This is by means of a Safety bolt 5 held securely in the receptacle 3.
  • a trigger switch 8 available for the operation of the device.
  • the actual structure of the press tool functional unit 2 can be seen in FIG.
  • For the drive provides Electric motor 10, which is powered by the battery supply 7. Between the electric motor 10 and the battery 7 is the Trigger switch 8 arranged.
  • the electric motor 10 has one Output shaft 11 with an output pinion 12 at the end.
  • This drive pinion 12 meshes a gear wheel 13, which is mounted on a transmission output shaft 16.
  • the transmission output shaft 16 is mounted on the one hand in a gearbox bearing 14 and on the other hand in a gear housing 15, which the Transmission output shaft 16 penetrates sealingly.
  • the transmission output shaft 16 one of the two rotor shafts 19 of a gear pump 18 (see Figure 3).
  • the lower rotor shaft 19 is also in the gear housing 15 stored.
  • the counter bearings of both rotor shafts 19 are in the Cylinder housing 21 of the piston-cylinder unit 20 in corresponding plain bearings held.
  • the hydraulic block 17 already mentioned is thus of the two rotors or rotor shafts 19 of the Gear pump 18 fully penetrated.
  • a muzzle pin 27 mounted which communicates with one on the one hand volume-variable reservoir 28 communicates and on the other hand via appropriate pilot holes in Hydraulic block via a valve unit 31 with the Gear pump 18 is connected.
  • a flow line 29 and a pressure line 30 as bores realized, through which the mentioned mouth pin 27 with the Gear pump 18 on the one hand and the gear pump on the other hand 18 in communication with the piston-cylinder unit 20 Connection is established.
  • a piston chamber return 26 is provided, via the Hydraulic oil displaced during the load stroke via the Muzzle pin 27 in the volume-variable reservoir 28 can be returned or at the provision hydraulic oil into the piston chamber accordingly can be traced back.
  • a gear pump 18 becomes a particularly simple one constructive solution offered and on the other hand thanks to the a relatively large gear pump that can be realized in this way Delivery rate achieved, which is a short Operating time per stroke.
  • the inventive Arrangement and use of the gear pump also allows extremely simple and short hydraulic oil delivery paths, which minimizes the sealing problems and on the other hand the lines that are manufactured as bores are to be realized with a relatively large cross-section. This minimizes flow losses.
  • the piston-cylinder unit 20 with the cylinder housing 21 is with the exception of the integrated slide bearings for the rotor shafts the gear pump, conventionally designed.
  • the cylinder housing 21 supports the piston 20, on which a return spring 25 works.
  • the piston 22 moves in via the piston rod 23 Roller bearing 24 for actuating the clamping tongs 4.
  • valve unit 31 has two screwable together Housing parts, the one housing part the first, flow switching valve 32 records while the second, larger Housing part receives a ball valve 38 as a second valve.
  • the first valve 32 is from the second valve 38 through a Valve plate 37 separated.
  • a hollow piston 33 is axially displaceable stored.
  • the path of the hollow piston 33 is through on the input side a snap ring 52 and on the other hand through the Valve plate 37 limited.
  • the hollow piston 33 is on the Valve plate 37 fully open towards the side, while in the closed piston head end a relative small relief bore 34 is arranged.
  • the housing part 33 'thus forms the cylinder of the valve in which the hollow piston 33 is axially movably mounted.
  • a return pressure spring 36 In the hollow piston 33 engages a return pressure spring 36, the one hand inside rests on the piston head and on the other hand on the valve plate 37 supports.
  • the applied oil pressure D shifts the Hollow piston 33 against the force of the return pressure spring 36 to the hollow piston 33 the lateral flow openings 35 to Releases the print train. This reaches the pressure line 30 Hydraulic oil in the piston cylinder unit 20 and shifts the piston 22, the roller bearing with its piston rod 23 24 moves, which leads to the actuation of the clamp 4.
  • the second valve 38 is around a ball valve. On the one hand, this stands above the Return bore 39 in communicating connection with the Pressure line and on the other hand via the through hole 40 through the valve plate 37 in connection with the cylinder 33 ' of the first valve. However, this connection is made by the Valve ball 41 opened depending on pressure closed.
  • the second valve 38 has a valve body 42 with a valve body foot 43.
  • the valve body foot 43 has the shape of a circular disc, which is integral with the Valve body 42 is connected and in the center one Ball seat 53 is inserted, in which the valve ball 41st partially stored.
  • the valve plate 37 forms the valve seat for the valve ball 41.
  • a spring counter bearing 45 in the shape of a ring screwed in.
  • this compression spring 46 determines the Switching pressure. If the changeover pressure is reached, the Valve ball 41 raised, on the hollow piston 33 arises Back pressure and the hollow piston 33 is with the help of Return pressure spring 36 back to the circlip 52 moved, the flow openings 35 closed become. This is irrespective of whether the gear pump 18 continues to promote or not.
  • a push button 48 is by means of a Return spring 47 held in the starting position.
  • the head 49 will swung to the side, the entire Valve body 42 participates in this pivoting movement.
  • the valve body foot 43 lifts in the Slightly off the middle, which relieves the pressure on the valve ball 41 is.
  • the pressure can now pass through the through hole 40 in the valve plate 37 and the first valve 32 closes again.
  • the hollow piston 33 moves jerkily back. For the user, hitting the Valve audible. As soon as he hears the valve closing, he will consequently release the trigger switch 8. But it is quite possible in the cylinder 33 'of the first valve 32 in to arrange a sensor 51 on the lower area Trigger switch 8 acts, or the feed line from the battery 7 to the electric motor 10. This sensor is activated with a time delay so that it is only activated when the Hollow piston 33 in the open state is activated and thus only realized the closing process. Through one Sensor 51 can ensure that the user Energy source not unnecessarily burdened after completing one Stroke.
  • the variant shown here shows a battery powered device.
  • the invention therefore also refers to network-dependent pressing tools.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Press Drives And Press Lines (AREA)
  • Hydraulic Motors (AREA)
  • Reciprocating Pumps (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
EP01810398A 2000-05-25 2001-04-24 Outil de sertissage pour sertir un élément déconnection Expired - Lifetime EP1157786B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH10522000 2000-05-25
CH105200 2000-05-25

Publications (3)

Publication Number Publication Date
EP1157786A2 true EP1157786A2 (fr) 2001-11-28
EP1157786A3 EP1157786A3 (fr) 2002-01-16
EP1157786B1 EP1157786B1 (fr) 2006-12-13

Family

ID=4554891

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01810398A Expired - Lifetime EP1157786B1 (fr) 2000-05-25 2001-04-24 Outil de sertissage pour sertir un élément déconnection

Country Status (5)

Country Link
US (1) US6510723B2 (fr)
EP (1) EP1157786B1 (fr)
AT (1) ATE347973T1 (fr)
DE (1) DE50111613D1 (fr)
ES (1) ES2277907T3 (fr)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005053909A1 (fr) * 2003-12-04 2005-06-16 Von Arx Ag Systeme d'outillage de moulage par compression a commande electrique
DE202006001889U1 (de) * 2006-02-03 2007-03-08 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Antriebseinheit für ein Preßgerät
DE102007007294B3 (de) * 2007-02-14 2008-07-10 Rothenberger Ag Antriebsgerät mit einer Kupplung für Werkzeugköpfe
DE202008015574U1 (de) 2008-11-24 2009-12-31 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Antriebseinrichtung für ein Pressgerät sowie Pressgerät mit einer solchen Antriebseinrichtung
DE202009003196U1 (de) 2009-03-10 2010-04-29 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft Handführbare Antriebseinrichtung für ein Pressgerät
DE202009003197U1 (de) 2009-03-10 2010-05-06 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft Handführbare Antriebseinrichtung für ein Pressgerät
DE102007005837B4 (de) * 2006-02-03 2016-04-07 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Antriebseinheit für ein Preßgerät
DE102022201368A1 (de) 2022-02-10 2023-08-10 Robert Bosch Gesellschaft mit beschränkter Haftung Pumpvorrichtung mit Kupplung für Antriebsvorrichtung
EP4321301A1 (fr) * 2022-08-08 2024-02-14 HYTORC Drehmomentmaschinen Seis GmbH Outil dynamométrique fonctionnant sur batterie

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6510719B2 (en) * 2000-04-28 2003-01-28 Novartec @ Ag Pressing tool and pressing process for extruding press fittings
EP1397231B1 (fr) * 2001-06-19 2007-03-21 Von Arx Ag Outil de moulage par compression dote d'une broche destinee a la compression d'elements de couplage
US6745611B2 (en) * 2002-02-19 2004-06-08 Fci Americas Technology, Inc. Battery powered hydraulic tool
WO2005049280A1 (fr) * 2003-11-20 2005-06-02 Von Arx Ag Unite de porte-cylindres
US7216523B2 (en) 2004-07-02 2007-05-15 Gustav Klauke Gmbh Pair of pressing jaws for hydraulic or electric pressing tools, and insulating covering for a pressing jaw
US20080016939A1 (en) * 2004-07-02 2008-01-24 Egbert Frenken Pair of pressing jaws for hydraulic or electric pressing tools
DE202006013693U1 (de) * 2006-09-07 2008-01-17 Gustav Klauke Gmbh Pressbackenpaar für hydraulische oder elektrische Verpressgeräte
RU2370358C2 (ru) * 2004-08-26 2009-10-20 Фон Аркс Аг Игольный пистолет
US7464578B2 (en) * 2005-06-03 2008-12-16 Fci Americas Technology, Inc. Hand-held, portable, battery-powered hydraulic tool
EP2135709B1 (fr) * 2008-06-18 2016-03-23 Von Arx AG Outil de compression électrique
CH699690B1 (de) * 2008-10-03 2012-07-31 Arx Ag Rollenhaltereinheit.
US9388885B2 (en) 2013-03-15 2016-07-12 Ideal Industries, Inc. Multi-tool transmission and attachments for rotary tool
US9774159B2 (en) 2015-01-16 2017-09-26 Ridge Tool Company Deflection compensating press tools
US9862137B2 (en) 2015-04-20 2018-01-09 Milwaukee Electric Tool Corporation PEX expanding tool
US10000007B2 (en) 2015-06-10 2018-06-19 Milwaukee Electric Tool Corporation PEX expanding tool
US10312653B2 (en) 2015-05-06 2019-06-04 Milwaukee Electric Tool Corporation Hydraulic tool
CN105538235B (zh) * 2016-01-25 2017-09-29 山东华伟液压科技有限公司 一种缸体内部压缩弹簧的装配工装及其装配方法
US9993910B2 (en) 2016-04-14 2018-06-12 Ronald Livingston Method and apparatus for pliers
USD835487S1 (en) * 2017-05-15 2018-12-11 Hubbell Incorporated Handle for in-line power tools
CA3096315A1 (fr) 2018-04-10 2019-10-17 Hubbell Incorporated Outil de coupe portable en ligne avec stabilisateur
DE102019217816A1 (de) 2018-11-29 2020-06-04 Ridge Tool Company Werkzeugköpfe für scherarbeiten
DE102020102724B3 (de) * 2020-02-04 2021-08-05 Uniflex - Hydraulik GmbH Verfahren zur Herstellung einer Hochdruck-Hydraulikleitung sowie Radialpresse zur Durchführung des Verfahrens

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0389716A1 (fr) * 1989-03-31 1990-10-03 Japan Storage Battery Company Limited Mécanisme à came et outil hydraulique motorisé
US5125324A (en) * 1988-02-10 1992-06-30 Daia Industry Co. Ltd. Portable hydraulically operated device incorporating automatic drain valve
DE19743747A1 (de) * 1997-07-19 1999-01-21 Klauke Gmbh Gustav Kolbenpumpe
EP0908657A1 (fr) * 1997-10-13 1999-04-14 C.B.C. S.p.A. Machine à rétreindre de tuyaux à transmission hydraulique

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Publication number Priority date Publication date Assignee Title
US3139834A (en) * 1960-07-13 1964-07-07 Coy Mfg Company Gear pump assembly
US5040400A (en) 1990-12-10 1991-08-20 G.L. Group, Ltd. Power actuated tool for installing metal corner strip
CH688470A5 (de) 1994-11-16 1997-10-15 Pamag Ag Presswerkzeug.
JP3792307B2 (ja) * 1996-08-26 2006-07-05 株式会社オグラ 油圧作動装置
US6152715A (en) * 1998-01-30 2000-11-28 Kaempe; Staffan I. Pressure clamped hydraulic pump

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5125324A (en) * 1988-02-10 1992-06-30 Daia Industry Co. Ltd. Portable hydraulically operated device incorporating automatic drain valve
EP0389716A1 (fr) * 1989-03-31 1990-10-03 Japan Storage Battery Company Limited Mécanisme à came et outil hydraulique motorisé
DE19743747A1 (de) * 1997-07-19 1999-01-21 Klauke Gmbh Gustav Kolbenpumpe
EP0908657A1 (fr) * 1997-10-13 1999-04-14 C.B.C. S.p.A. Machine à rétreindre de tuyaux à transmission hydraulique

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005053909A1 (fr) * 2003-12-04 2005-06-16 Von Arx Ag Systeme d'outillage de moulage par compression a commande electrique
DE202006001889U1 (de) * 2006-02-03 2007-03-08 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Antriebseinheit für ein Preßgerät
DE102007005837B4 (de) * 2006-02-03 2016-04-07 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Antriebseinheit für ein Preßgerät
DE102007007294B3 (de) * 2007-02-14 2008-07-10 Rothenberger Ag Antriebsgerät mit einer Kupplung für Werkzeugköpfe
DE202008015574U1 (de) 2008-11-24 2009-12-31 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kg Antriebseinrichtung für ein Pressgerät sowie Pressgerät mit einer solchen Antriebseinrichtung
EP2189247A2 (fr) 2008-11-24 2010-05-26 NOVOPRESS GMBH PRESSEN UND PRESSWERKZEUGE & CO. KG. Dispositif d'entraînement pour un appareil de pressage et appareil de pressage doté d'un tel dispositif d'entraînement
EP2189247A3 (fr) * 2008-11-24 2011-04-20 Novopress GmbH Pressen und Presswerkzeuge & Co. KG Dispositif d'entraînement pour un appareil de pressage et appareil de pressage doté d'un tel dispositif d'entraînement
DE202009003196U1 (de) 2009-03-10 2010-04-29 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft Handführbare Antriebseinrichtung für ein Pressgerät
DE202009003197U1 (de) 2009-03-10 2010-05-06 Novopress Gmbh Pressen Und Presswerkzeuge & Co. Kommanditgesellschaft Handführbare Antriebseinrichtung für ein Pressgerät
EP2228177A1 (fr) 2009-03-10 2010-09-15 Novopress GmbH Pressen und Presswerkzeuge & Co. KG Dispositif d'entrainement guidé manuellement pour un appareil de pressage ainsi que procédé de commande d'un dispositif d'entraînement guidé manuellement pour un appareil de pressage
DE102022201368A1 (de) 2022-02-10 2023-08-10 Robert Bosch Gesellschaft mit beschränkter Haftung Pumpvorrichtung mit Kupplung für Antriebsvorrichtung
EP4321301A1 (fr) * 2022-08-08 2024-02-14 HYTORC Drehmomentmaschinen Seis GmbH Outil dynamométrique fonctionnant sur batterie

Also Published As

Publication number Publication date
ATE347973T1 (de) 2007-01-15
US6510723B2 (en) 2003-01-28
EP1157786B1 (fr) 2006-12-13
US20020007658A1 (en) 2002-01-24
DE50111613D1 (de) 2007-01-25
EP1157786A3 (fr) 2002-01-16
ES2277907T3 (es) 2007-08-01

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