EP3473384A1 - Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau - Google Patents

Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau Download PDF

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Publication number
EP3473384A1
EP3473384A1 EP17405025.2A EP17405025A EP3473384A1 EP 3473384 A1 EP3473384 A1 EP 3473384A1 EP 17405025 A EP17405025 A EP 17405025A EP 3473384 A1 EP3473384 A1 EP 3473384A1
Authority
EP
European Patent Office
Prior art keywords
hinge
halves
mounting device
contours
fitting
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Withdrawn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
EP17405025.2A
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German (de)
English (en)
Inventor
Roman Gubler
Stephan Krämer
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.)
Haelok AG
Original Assignee
Haelok 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 Haelok AG filed Critical Haelok AG
Priority to EP17405025.2A priority Critical patent/EP3473384A1/fr
Priority to EP18781957.8A priority patent/EP3697572B1/fr
Priority to PCT/CH2018/000040 priority patent/WO2019075585A1/fr
Publication of EP3473384A1 publication Critical patent/EP3473384A1/fr
Withdrawn legal-status Critical Current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 invention relates to a mounting device for producing a press connection between a fitting kit and a pipe section.
  • Part of the Fittingbausatzes is first a sleeve-like intermediate piece, which is intended for internal, axially inserted receiving a terminal end of the pipe section.
  • the fitting kit comprises a press ring, which is provided for pushing by means of the mounting device via the intermediate piece - with the effect of the emergence of a pressure-tight and mechanically strong press connection between the connection end and the intermediate piece.
  • Subject of the US 5,398,394 is a hydraulic pressing tool for making a press connection between a fitting kit and a pipe piece.
  • the tool has a U-shaped, fixed first jaw, on which the adapter of the fitting kit is held.
  • the press ring is pressed by a U-shaped, axially advanceable second jaw on the intermediate piece in which the pipe piece is inserted, whereby the press connection is formed.
  • the constructions according to US 5,592,726 and WO 2016/179 070 A1 are based on the same principle.
  • the US 5,694,670 relates to a pressing tool for the same purpose, in which a first interchangeable pair of jaws can be mounted on a fixed bearing, which serves for the fixed gripping around the intermediate piece of a fitting kit.
  • the upper jaw is removable or swung up to secure this subsequently in the closed position.
  • An axially hydraulically displaceable bearing with an attached, exchangeable second pair of jaws is intended for engaging behind and pushing the press ring on the intermediate piece with simultaneous pressing of the inserted pipe section.
  • the upper jaw can be swung open and then locked in the closed position to first insert the pipe section with the attached press ring.
  • the exchangeable pairs of jaws allow the processing of various tube dimensions and fitting designs.
  • a hydraulic press tool for making a press fit between a fitting kit and a pipe piece.
  • the two mirror-image housing parts are hinged together by means of two, over the entire width of the tool extending joints.
  • the tool can be locked in the closed position.
  • Interchangeable inserts are provided for installation in the tool to allow the compression of several pipe dimensions.
  • hinged pressing tool consists of two interconnected by means of hinged half-shell-shaped housings, which can be fixed with a umzuschlingenden band for performing the pressing operation in a closed position. Due to the relatively light construction of this tool, the suitability is limited to smaller pipe dimensions.
  • the amount of coupling means includes a pair of first hinge contours on each device half to achieve an operating condition with assembled device halves, and each device half has a pair of first hinge parts on which the respective first hinge contour is provided.
  • all first hinge contours lie on an axially extending axis of rotation.
  • at least one axle element can be used as a releasable connecting member along the axis of rotation about which both device halves are movable independently of one another.
  • the amount of the coupling means includes a pair of second hinge contours on each device half to achieve an operating state with assembled device halves in locked closed position, and each device half has a pair of second hinge parts on which the respective second hinge contour is provided. In the state of assembled device halves, in the closed position, all the second hinge contours are aligned with each other.
  • at least one closing element can be used as a releasable locking member in the second hinge contours of both device halves, whereby both device halves are locked in the closed position against each other.
  • the amount of coupling means includes a third hinge contour provided on one of the respective first hinge parts on each device half to provide an operational state with assembled device halves in a partially opened, spread locking position on each device half.
  • both third hinge contours are aligned with each other.
  • a releasable holding element can be used, whereby both device halves, in partially open, spread position, are locked against each other.
  • the second hinge contours of both device halves remain unpopulated.
  • the amount of the coupling means also includes on each device half a stop member which is provided on one of the respective first hinge parts.
  • both stop elements abut each other and thereby limit a maximum opening angle between the two device halves.
  • the stop elements and the third hinge contours of both device halves are aligned with each other, and the second hinge contours of both device halves remain unpopulated.
  • the mounting device depot forms To provide temporarily unused socket pin, the mounting device depot forms.
  • the locking pins are formed with a locking means to prevent the unintentional release of the hinge contours or depot forms.
  • the depot forms are preferably formed on the front side of the mounting device, on the side of the third hinge contours, as insertion holes.
  • a first and a second half of the same half-length are provided for insertion into each of the two device halves, in the form of half circular rings.
  • the first half of the inlay should be attached to the fitting and the second half of the inlay should be attached to the push ring.
  • the first and second inlay halves respectively mounted in the two device halves together give each the basic shape of a two-part annular insert.
  • the insert serves the two assembled first Inlayhzipn for fixed positioning of the intermediate piece of the fitting kit.
  • the insert of the two assembled second Inlayhzipn is intended for engaging behind the réelleschiebenden on the intermediate piece press ring and thus for establishing the press connection between the fitting kit and a piece of pipe.
  • each of the two device halves on a locking unit For fixing the inserted into the mounting device and with the fitting kit to be pressed piece of pipe and for aligning the mounting device on this pipe piece, each of the two device halves on a locking unit.
  • the locking unit is actuated by an Operating arrangement formed.
  • the locking unit comprises an actuatable operating arrangement and an activatable by means of this clamping arrangement. In the closing position of the mounting device, both operating arrangements or both clamping arrangements are intended for diametrically pressing against the outer surface of the pipe section.
  • FIGS. 1A and 1B are identical to FIGS. 1A and 1B.
  • the mounting device 1 has a first device half 11 and a complementary, largely identical second device half 12 , each of which is in principle of a half-shell shape, separated from each other in the storage state and can be releasably coupled together with their facing concave sides to produce the operating state.
  • the respective device half 11,12 is radially surrounded by a cover 77 on which systematically radially distributed in each case three handles are attached.
  • a slot-shaped window 77 ' is provided in each case in the upper and in the lower region, in which an axially movable indicator 37, the externally recognizable position indicator of the thrust ring 3 initiating the pressing process (s. FIG.
  • the respective device half 11,12 arranged piston bearing 2 - this page is hereinafter referred to as a-side -, each has a hydraulic port 20 for the supply of hydraulic oil, a plurality of axially directed internal threaded holes 21, internally the two mutually prismatic support surfaces 20 ' and the outside positioned handwheel 64. From the handwheel 64 , the threaded spindle 65 which penetrates the bearing piece 63 , which is externally attached to the piston bearing 2 extends. Between the support surfaces 20 'of the respective piston bearing 2 , the locking unit 6 is axially fixed, but radially adjustable.
  • first hinge part 23 On the a-side, above, from the first device half 11 the first hinge part 23 with the present thereon pin-shaped stop element 24 "visible that the complementary stirrup-shaped stop element 24" spaced apart from the first hinge part 23 of the second device half 12 out of engagement. Both first hinge parts 23 are scissor-like manner behind the other offset so that their abutment members 24 "at present are also offset from each other.
  • the first hinge contour 24 of the first hinge part 23 is currently concealed by the second device half 11 and is therefore not visible here
  • a closing element 73 ' identical to the upper axis element 73 in the form is partially visible at the bottom
  • the first hinge contours 24 are formed as through-holes.
  • first inlay halves 5 are also of semicircular geometry, but of smaller diameter compared to the shaped pieces 4. In closing position of both device halves 11,12 with the two coming together first inlay halves 5 creates a kind of porthole.
  • Each form piece 4 has two depot forms 47 - in the form of axial holes - on which the inserted storage in certain settings of the mounting device 1 unneeded axle elements 73, Schliess institute 73 ' or holding elements 73 serve. "Front side of the molding 4 open four bolt holes 41st that are covered with caps 70 to the outside, and in which rest bolt. 7
  • first hinge part 43 with the first hinge contour 44 present thereon On the b-side, top, are of the first device half 11, the first hinge part 43 with the first hinge contour 44 present thereon and of the second half of the device 12 also visible the first hinge part 43 with the first hinge contour 44 present thereon.
  • axle 73 which the axis of rotation A, together with the plug-in terminations on the a-side axis member 73 in order to let the device both halves 11,12 of each other limited swing open inserted.
  • Both first hinge parts 43 are offset one behind the other in a scissor-like manner so that their third hinge contours 44 ", which are currently also offset from each other and thus unoccupied, are inserted into the second, mutually aligned hinge contours 44 'of the two hinge parts 43' with the one on the a page cooperating second closing element 73 '.
  • All the axle members 73 and closure elements 73' are interchangeable, due to their identical texture and also in the function as the holding member 73 "(see Fig. FIG. 7A ) can be used.
  • the first hinge contours 44, second hinge contours 44 ' and the third hinge contours 44 " are formed as through holes.
  • FIGS. 2A and 2B are identical to FIGS. 2A and 2B.
  • the hydraulic port 20 and the support surfaces 20' has the piston bearing 2 four axial internally threaded holes 21, two axial piston nests 22 and in transverse alignment the blind hole 21 ', an internally threaded bore 25 ' and two through holes 27'.
  • Congruent to the internally threaded holes 21 of the thrust ring 3 has four bolt holes 31.
  • the simulant trained receiving contour 30 with the existing therein two screw holes 32 and two spring ester 36 are present on the thrust ring 3 .
  • the molding 4 has except both hinge parts 43,43 ' and the depot molds 47 in the axial alignment of the bolt holes 41 and the turn simsartig trained receiving contour 40 with the therein eccentrically arranged screw hole 42 and two directed into the interior springs spring 46th
  • the two pen-shaped indicators 37 are fixed transversely in the thrust ring 3 .
  • the handles 78 - the first device half 11 quasi axially bridging - bolted to the piston bearing 2 and the fitting 4 .
  • the fixation pins 67 which are firmly seated therein, extend into the two through holes 27 ' in the piston bearing 2.
  • the axis of rotation A extends , which runs through the first hinge contour 24 in the first hinge part 23 and the first hinge contour 44 in the first hinge part 43 .
  • the axis of rotation A comes only when connecting the first with the second device half 11,12 and the insertion of the two axle elements 73.
  • the locked closing position between the first and second half device 11,12 is reached only with the insertion of the two closing elements 73 ' .
  • the receiving contour 50, the retaining contour 55 and the off-center first screw hole 52 are visible.
  • the first inlay Hälte 5 is positively attached to the fitting 4
  • the female profile 40 projects into the retaining surface 55 and by means of the single screw 59 which engages in the screw holes 52,42, the first inlay Hälte 5 is secured to the fitting.
  • the second inlay Hälte 5 ' also has a receiving contour 50 and a retaining surface 55, but has two first screw holes 52, and also two second screw holes 54 for securing the clamp assembly 6 ".
  • the clamp assembly 6" is made first from the prismatic pressure piece 60 and the two Parallel arranged spacers 68 together, and is bolted to the pressure piece 60 and the spacers 68 protruding screws 69 with the second Inlay eternale 5 ' .
  • the components and the assembly of the second device half 12 are largely identical to the first device half 11 , so that reference is made to the detailed description to the figure sequence 3A to 3F and a renewed unnecessary.
  • the two device halves 11,12 are mirror images of each other. Only the stop element 24 " is bow-shaped and the two first hinge parts 23,43 and the two second hinge parts 23 ', 43' are arranged on the piston bearing 2 and on the fitting 4 with axial offset relative to the first device half 11.
  • the two first hinge parts 23 come to lie one behind the other, as do the two other first hinge parts 43, the two second hinge parts 23 ' and the two other second hinge parts 43'.
  • FIGS. 5A and 5B are identical to FIGS. 5A and 5B.
  • All first and second Inlayhcran 5, 5 ' have the basic shape of half circular rings. For processing pipe sections 9,9 ' different outer diameter Inlayhcan 5,5' adequate dimensions are provided.
  • FIGS. 5C and 5D are identical to FIGS. 5C and 5D.
  • first inlay halves 5 are required for insertion into the two device halves 11, 12, namely for attachment to the shaped pieces 4.
  • the thrust ring 3 itself has the geometry, a press ring 82 of complementary size at the end face 829 behind (s. FIG. 7H ).
  • the locking unit 6 ' may include and clamp assembly 6 "or only from the operating assembly 6', the two subassemblies operating arrangement 6 are formed, so to be processed in the greatest dimension of the pipe pieces 9,9 'and the elimination of the second inlay halves 5'.
  • the control arrangement 6 has the actuator 64, preferably in the form of a rotatable handwheel, with the threaded spindle 65 extending centrally from the actuator 64.
  • the bearing element 63 has the central through-bore 63 ' for penetrating the threaded spindle 65 and a pinhole 67' on each side of the through-bore 63 ' the free end of the threaded spindle 65, which engages in the internally threaded bore 25 ' in the piston bearing 2 , the first spring 66.
  • the fixing pins 67 stuck on the one hand in the pin holes 67' of the bearing 63 and the other hand in the through holes 27 ' in the piston bearing 2.
  • the two ends of the threaded spindles 65 press diametrically opposite directly with centering and fixing effect against a in the Mounting device 1 inserted pipe section 9,9 ', which is also comprised of the four prismatic support surfaces 20' of both piston bearings 2 .
  • the clamp assembly 6 has the U-shaped pressure piece 60 with axially through-bolt holes 62 and with each other prism-shaped, axially extending support surfaces for axially centered receiving and pressing against an inserted into the mounting device 1 piece of pipe 9,9 '. Moreover, on the pressure piece 60, a transverse blind hole 61 'is provided. in addition, “includes the clamp assembly 6, a pair of second springs 66' for attachment to the two screws 69, a fuse element 61 and the two spacers 68 as a spacer to the screw with the pressure piece 60 second inlay half 5 '.
  • This sequence of figures illustrates the production of a press connection between a fitting kit 8 and two pipe sections 9, 9 ' by means of the mounting device 1 in the basic working phases.
  • the mounting device 1 is located in a partially opened locking position. Both device halves 11, 12 are pivoted about the axis of rotation A, for example by 60 °, and are equipped with the first and second inlay halves 5, 5 ' and the locking units 6 .
  • an axle element 73 is inserted into the first hinge contours 44 lying congruently one behind the other .
  • an axle element 73 is inserted into the first hinge contours 24, which likewise congruently follow one another.
  • Both axle elements 73 lie on the shaft axis of rotation A.
  • a retaining element 73 in the series-congruent contours lying third hinge 44".
  • the stopper members 24 are engaged with each other, thereby limiting the opening angle of both device halves 11, 12. According to the indicators 37 on the right in the windows 77 ' , the push rings 3 are in the home position.
  • FIG. 7B Second working phase
  • a fitting assembly 8 In the state of partially opened locking position of the mounting device 1 is from the a-side a first pipe section 9, which has the outer surface 91 , with the abutting surface 90 and the terminal end 99 ahead, brought axially to the mounting device 1 .
  • a fitting assembly 8 From the b-side , a fitting assembly 8, the two pressing rings 82 are pre-mounted proportionately pushed onto the intermediate piece 81 , inserted.
  • the exemplary embodiment shown here of the fitting kit 8 has the shape of a straight sleeve with the cutout 812 on the spacer 81 in its axial center.
  • the two compression rings 82 have outside each an annular end surface 829.
  • the fitting assembly 8 is inserted into the mounting device 1 , that the projecting receiving contour 50 of the two first inlays 5 engages in the cutout 812 of the intermediate piece 81 and on the end face 829 of the inside Mounting device 1 lying pressing ring 82, the second inlays 5 ' with their receiving contours 50 are pending.
  • Other variants of fitting kits are the subject of the Applicant's European Patent Application No. 17 405 004.7.
  • the previously unchanged position of the indicators 37 signals the further occupied by the thrust rings 3 starting position.
  • the continued unchanged position of the indicators 37 marks that the thrust rings 3 are still in their starting position.
  • the mounting device 1 was placed in the locked closed position.
  • the holding element 73 " pulled out of the consecutively lying third hinge contours 44" and both device halves 11,12 pivoted about the axis of rotation A to each other until the second hinge contours 44 'of the two second hinge parts 43' are aligned.
  • the previously pulled holding element 73 " is inserted into the second hinge contours 44 ' and thus has the function of a closing element 73'
  • the stop elements 24" have moved away from each other and another closing element 73 ' has been brought into the congruent position come second hinge contours 24 'of the two second hinge parts 23' inserted.
  • the mounting device 1 located in a partially opened locking position was removed from the finished sleeve connection with fitting assembly 8 and both pipe sections 9, 9 ' .
  • the bouncing shoulders 826 of the pressing rings 82 abut against the shoulder surfaces 816 of the intermediate piece 81.
  • the outer end face 929 of the associated pressing ring 82 closes in each case.
  • the cutout 812 Between the two outside diameter thickened ring segments 814 is the cutout 812, which is bounded on both sides by supporting surfaces 817 . Up to the support surfaces 817 , the respective end face 820 of the associated compression ring 82 is advanced.
  • the free-cutting 812 directed tongue segments 824 of the two compression rings 82 each have a latching element 825, which is latched for additional assurance of the relevant press connection in a recess 815 on the associated ring segment 814 .

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)
EP17405025.2A 2017-10-20 2017-10-20 Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau Withdrawn EP3473384A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP17405025.2A EP3473384A1 (fr) 2017-10-20 2017-10-20 Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau
EP18781957.8A EP3697572B1 (fr) 2017-10-20 2018-10-03 Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau
PCT/CH2018/000040 WO2019075585A1 (fr) 2017-10-20 2018-10-03 Dispositif de montage servant à produire un assemblage par ajustement serré entre un kit de raccord et un élément tubulaire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17405025.2A EP3473384A1 (fr) 2017-10-20 2017-10-20 Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau

Publications (1)

Publication Number Publication Date
EP3473384A1 true EP3473384A1 (fr) 2019-04-24

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Application Number Title Priority Date Filing Date
EP17405025.2A Withdrawn EP3473384A1 (fr) 2017-10-20 2017-10-20 Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau
EP18781957.8A Active EP3697572B1 (fr) 2017-10-20 2018-10-03 Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau

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Application Number Title Priority Date Filing Date
EP18781957.8A Active EP3697572B1 (fr) 2017-10-20 2018-10-03 Dispositif d'assemblage permettant de fabriquer un assemblage par pression entre un ensemble de raccordement et un segmentde tuyau

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EP (2) EP3473384A1 (fr)
WO (1) WO2019075585A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11338418B2 (en) * 2020-08-17 2022-05-24 Snap-On Incorporated Joint press adapter

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398394A (en) 1992-01-31 1995-03-21 The Deutsch Company Swaging tool for axially swaged fittings
US5592726A (en) 1995-01-06 1997-01-14 The Deutsch Company Axial swage tool having a stabilizing pin
US5694670A (en) 1995-05-26 1997-12-09 Hosseinian; Amir P. Secure swaging tool
US6199254B1 (en) 1999-11-05 2001-03-13 Mechl Llc Swaging tool with multiple pushers
EP1862715A1 (fr) * 2006-06-02 2007-12-05 Rego-Fix AG Dispositif de presse
DE202010000402U1 (de) * 2010-03-18 2010-07-01 Joiner's Bench Gmbh Pressvorrichtung mit vereinfachtem Aufbau
WO2012021545A1 (fr) 2010-08-09 2012-02-16 Designed Metal Connections, Inc. Outil de sertissage axial
CH707389A2 (de) 2012-12-28 2014-06-30 Fipe Ag Werkzeug zum axialen Verpressen von Fittingen.
DE102014103213A1 (de) * 2014-03-11 2015-09-17 Viega Gmbh & Co. Kg Pressaufsatz zum axialen Verpressen von Werkstücken
WO2016179070A1 (fr) 2015-05-05 2016-11-10 Aerofit, Llc Outil de sertissage axial

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5398394A (en) 1992-01-31 1995-03-21 The Deutsch Company Swaging tool for axially swaged fittings
US5592726A (en) 1995-01-06 1997-01-14 The Deutsch Company Axial swage tool having a stabilizing pin
US5694670A (en) 1995-05-26 1997-12-09 Hosseinian; Amir P. Secure swaging tool
US6199254B1 (en) 1999-11-05 2001-03-13 Mechl Llc Swaging tool with multiple pushers
EP1862715A1 (fr) * 2006-06-02 2007-12-05 Rego-Fix AG Dispositif de presse
DE202010000402U1 (de) * 2010-03-18 2010-07-01 Joiner's Bench Gmbh Pressvorrichtung mit vereinfachtem Aufbau
WO2012021545A1 (fr) 2010-08-09 2012-02-16 Designed Metal Connections, Inc. Outil de sertissage axial
CH707389A2 (de) 2012-12-28 2014-06-30 Fipe Ag Werkzeug zum axialen Verpressen von Fittingen.
DE102014103213A1 (de) * 2014-03-11 2015-09-17 Viega Gmbh & Co. Kg Pressaufsatz zum axialen Verpressen von Werkstücken
WO2016179070A1 (fr) 2015-05-05 2016-11-10 Aerofit, Llc Outil de sertissage axial

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Publication number Publication date
EP3697572A1 (fr) 2020-08-26
EP3697572B1 (fr) 2022-02-16
WO2019075585A1 (fr) 2019-04-25

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