EP3231528B1 - Dispositif de pression comprenant une fixation à boulon - Google Patents

Dispositif de pression comprenant une fixation à boulon Download PDF

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Publication number
EP3231528B1
EP3231528B1 EP16164975.1A EP16164975A EP3231528B1 EP 3231528 B1 EP3231528 B1 EP 3231528B1 EP 16164975 A EP16164975 A EP 16164975A EP 3231528 B1 EP3231528 B1 EP 3231528B1
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EP
European Patent Office
Prior art keywords
pressing
bolt
carrier
pressing device
wall
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.)
Active
Application number
EP16164975.1A
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German (de)
English (en)
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EP3231528A1 (fr
Inventor
Ernst HEIMGÄRTNER
Patrick Mainhart
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.)
Geberit International AG
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Geberit International AG
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Publication date
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Priority to EP16164975.1A priority Critical patent/EP3231528B1/fr
Publication of EP3231528A1 publication Critical patent/EP3231528A1/fr
Application granted granted Critical
Publication of EP3231528B1 publication Critical patent/EP3231528B1/fr
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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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/048—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using presses for radially crimping tubular elements

Definitions

  • the present invention relates to a pressing device, in particular for radial compression, in particular of pipe fittings according to the preamble of claim 1.
  • Pressing devices are known from the prior art.
  • the EP 2 340 899 such a pressing device.
  • a pressing device is in DE 10 2008 003723 A1 disclosed.
  • Two levers act on press jaws.
  • the levers are articulated to a pressing jaw carrier and communicate with it via a bolt in each case.
  • the pressing jaw is designed to be pivotable about the bolt relative to the pressing jaw carrier.
  • the bolt after the EP 2 340 899 is held by a screw and two lids in the press jaw carrier.
  • press devices have become known in which the bolt is held by releasable retaining rings in the die backing.
  • the invention has for its object to provide a pressing device which overcomes the disadvantages of the prior art.
  • the invention has for its object to provide a pressing device, which is safer to handle.
  • a pressing device comprises at least one support element with at least one support opening, at least one pressing element with at least one bearing opening for applying a pressing force on a compact, wherein the at least one pressing element is mounted pivotably about at least one pivot axis on the support element , wherein in each case one of the bearing and the pivot axis providing bolts extending through the at least one support opening and the bearing opening therethrough.
  • the bolt is secured at the end with a non-releasable securing element with respect to an axial displacement to the carrier element in the bearing opening and the carrier opening.
  • the securing element has a limited by an inner wall interior space for receiving the bolt end, wherein in the interior at least one on the bolt end, in particular on the lateral surface of the bolt end, acting securing part is arranged.
  • the bolt is thus held in the pressing device. Since this is a non-releasable securing element, a removal or replacement of the bolt is prevented, whereby the above-mentioned disadvantages are avoided.
  • a pressing device with permanently assembled individual parts is provided in this way, which can not be opened after the initial assembly. Craftsmen or third parties are involved prevented from opening the at least one pressing element, which can be avoided in consequence Albertverpressungen and personal injury. This ensures a high level of security.
  • non-detachable is understood in particular that the securing element can be separated only with increased effort with the help of the securing element or the bolt destructive or damaging tools.
  • the securing element is not destructively releasable. That is, should the fuse element be removed from the bolt, this is necessarily associated with a destruction of the fuse element. A disassembly of the fuse element and any demolition of the fuse element on the bolt are therefore not possible.
  • the pressing device preferably has the shape of a pressing sling, wherein both the pressing element and the carrier element has the shape of a loop part, with which a pressing force can be applied to a compact, or the pressing device preferably has the shape of a press sling the pressing element has the shape of a loop part, with which a pressing force can be applied to a compact, and wherein the carrier element is an element connecting two loop parts.
  • the carrier element may preferably be designed such that it exerts a pressing force on the compact in a compression similar to the pressing element. This means that the carrier element can also fulfill a pressing function.
  • the loop parts of the press sling are preferably to be understood as meaning a plurality of links which are hingedly connected to one another and define the cylindrical opening region of the press sling.
  • the loop parts can thus be connected to each other in such an articulated manner that the press loop is substantially cylindrical or annular in cross-section.
  • the sling parts can be connected to each other throughout and one form completely closed press loop without interruption, or it may for example be provided between two loop parts, the end parts, a distance to form a closing point.
  • the pressing element is preferably designed in the form of an intermediate jaw having two bearing openings and in particular connectable to a pressing sling and the carrier element has two carrier openings, wherein the bolt extends through in each case one of the carrier openings and the bearing openings.
  • it may also be a preferably multi-membered or -teilige press sling, which has a plurality of pivotally interconnected pressing elements. These pressing elements can be placed around preferably tubular workpieces. At the open end of the press loop, i. at the closure, then can e.g. a (pre) compression device in the form of the intermediate jaw are set, with the help of a complete closure of the press loop and thus the compression can be effected.
  • a (pre) compression device in the form of the intermediate jaw are set, with the help of a complete closure of the press loop and thus the compression can be effected.
  • two pressing elements are preferably arranged in the form of pressing levers and the carrier element has two carrier openings, wherein the bolt extends through in each case one of the carrier openings and the bearing openings.
  • the two pressing elements are arranged between two mutually spaced support elements, wherein each of the support elements each having two bearing openings.
  • the two pressing levers preferably have at least two pressing jaws for applying the pressing force to the pressed article, and the pivoting axes lie parallel to one another, whereby one pressing lever is pivotable about the one pivot axis and the other pressing lever about the other pivoting axis from a starting position into a pressing position at the end of the pressing process, the pressing jaws together as seen along the pivot axes form a substantially closed circle.
  • the press sling has at least one press insert for applying the pressing force to the compact.
  • This press insert may be arranged in an inner surface of the press sling such that it comes to lie on the outer surface of the workpiece to be pressed, in particular tubular, for the pressing process and thereby exerts an additional pressing force on the compact.
  • the securing element can be a securing element placed on the bolt end, which encloses the bolt end at least partially, preferably completely.
  • the fuse element z. B. cap-shaped or annular, wherein in the interior of the bolt end is added.
  • the securing element may have the shape of an end cap which completely accommodates and encloses the pin end, or the securing element may, in a second variant, have the shape of a terminating ring which surrounds the outside of the pin end.
  • the securing part could be a spring ring, which is placed in a circumferential groove in the inner wall, which spring ring engages in a circumferentially extending around the bolt around recess.
  • this could be a completely closed spring ring which extends completely in the groove of the securing element and thus extends completely around the bolt end when the bolt end is received.
  • the spring ring could also have an interruption, so that it does not extend completely when receiving the bolt end, but only partially around the recorded bolt end. It can completely resp. interrupted spring ring are placed in the groove before attaching the end cap or end ring, so that when attaching the end cap or end ring at the bolt end of this spring ring engages in the recess at the bolt end or snaps into this.
  • a spring washer with interruption can be easier to install compared to a continuously closed spring washer.
  • the securing part are a plurality of projecting from the inner wall in the interior tabs, which at a release force on the Fuse element act as a barb, or that the securing part is a toothed disc.
  • the above-mentioned securing parts bring in particular the advantage that they allow a stronger connection between the securing element and the bolt and thereby cause an additional safeguard concerning an unintentional release of the securing element from the bolt.
  • the inner wall completely surrounds the parts of the bolt protruding from the carrier element. That is, the fuse element is formed, for example, as an end cap, the inner wall of the end cap takes on the protruding parts of the bolt end so completely on that no parts of the bolt uncovered resp. stay detached.
  • the securing element on the outside has an outer wall, which is formed around the pivot axis about frustoconical, in particular such that the outer wall is not or can not be effectively handled by a forceps-like tool.
  • this has an outer wall, which, starting from the carrier element in the direction of the bolt ends, increasingly tapers.
  • the outer wall of the end cap or of the end ring is then designed such that the entire or partial surface of the outer shape along said direction would have an angle to the contact surface of less than 90 degrees.
  • the outer wall of the securing element may be formed around the pivot axis with a rounding around.
  • the rounding in cross section may be formed as a one- or multi-part arc, wherein the single or multi-part arc has a center or centers, which or starting from the support element in the direction of the bolt end seen proximal to the support element and the bolt end spaced apart.
  • the outer wall consists of a combination of the above-mentioned embodiments, that is, the outer wall both frusto-conical as well as a round which is formed, for example in cross-section as a one- or multi-part arc around said pivot axis around.
  • a preferably identical non-releasable securing element is arranged on both sides of the bolt in each case.
  • the bolt is formed on one side with an integrally formed bolt end, wherein the integral bolt end has a diameter which is greater than the diameter of the bolt, and wherein on the other side of said non-releasable securing element is arranged.
  • all of the above embodiments relating to the non-releasable securing element may refer to only one such securing element at one of the bolt ends, while the other end of the bolt may be formed by an integrally formed, i.e. integrally formed bolt end has an enlarged diameter.
  • the bolt has at its two bolt ends in each case via a securing element according to the above statements.
  • the bolt has an integrally formed bolt end with an enlarged diameter at both bolt ends.
  • the securing element is provided by deformation of the bolt end flange.
  • a one-piece rivet bolt can be understood, which is riveted on one or both sides.
  • Such a deformation of the bolt end can be achieved for example by means of a cold forming process, in which a forming force only on a partial surface of the bolt, so here on the bolt end acts.
  • the person skilled in the art is also familiar with this type of manufacturing method by the term tumbling.
  • the bolt can be manufactured as a so-called wobble rivet, whereby the parts of the rivet bolt which do not protrude beyond the carrier element come to lie at a distance from the inner surfaces of the carrier or bearing openings in the pressing device.
  • wobble rivet whereby the parts of the rivet bolt which do not protrude beyond the carrier element come to lie at a distance from the inner surfaces of the carrier or bearing openings in the pressing device.
  • the carrier openings preferably have in the region of the flange in each case a diameter widening for receiving the flange, in which the flange comes at least partially to lie, and / or the flange in the deformed state preferably has a diameter which by up to 20%, in particular to 10% larger than the diameter of the bolt.
  • the support openings can thus in the region of the flange each have a diameter expansion, for example in the form of a recess which is complementary to the flange and in which the flange comes to rest at least partially or completely.
  • the bolt is made of a tool steel having a compressive strength of 800 to 2,000 Newton per square millimeter in the tempered state and / or an elongation at break of 5 to 15%, or that the bolt is made of a high-alloyed steel having a compressive strength of 800 to 2,000 Newton per square millimeter in the tempered state and / or an elongation at break between 5 to 15%.
  • the bolt may be formed as a hollow bolt with a bolt opening passing in the direction of the pivot axis, or the bolt may have a full cross section over its entire length.
  • the bolt can have at one end of the bolt an integrally formed bolt end with enlarged diameter according to the example, and at the other bolt end via an attached securing element according to the first or second variant of the first embodiment, that is, for example, via an end cap or a End ring, dispose.
  • this third embodiment thus corresponds to a mixture of the fuse elements according to the first embodiment and the said example.
  • FIGS. 1 to 5 A preferred embodiment of a pressing device 1 with a bolt fixation according to the invention is shown.
  • the pressing device is shown with two pressing elements in the form of pressing levers according to an inventive aspect.
  • the further inventive aspects of the pressing device in the form of the press loop, as in FIG. 17 shown, and / or in the form of the intermediate jaw, as in FIG. 18 shown, which is connectable to the press sling are also conceivable, and that the following explanations therefore also refer to these other aspects.
  • the pressing device 1 comprises two pressing levers 5, 5 ', two pressing jaws 4, 4' and a support element 2.
  • the support element 2 is here substantially T-shaped and has two support openings 3, 3 '.
  • the two pressing elements in the form of pressing lever 5, 5 ' are the same design and each have a bearing opening 6, 6 ', wherein the pressing levers 5, 5' are pivotally mounted on the carrier element 2 via a respective pivot axis A1, A2.
  • one pressing lever 5 is pivotable about the first pivot axis A1 and the other pressing lever 5 'about the second pivot axis A2 from a starting position into a pressing position.
  • a bolt 8, 8 ' which provides the bearing and the pivot axis A1, A2' extends through in each case one of the support openings 3, 3 'and one of the bearing openings 6, 6'.
  • the bolt 8, 8 ' is the end with a non-releasable securing element 11, 11' with respect to an axial displacement in the bearing opening 6, 6 'and in the support opening 3, 3' secured.
  • the pressing levers pivot from the starting position about the pivot axes A1, A2 relative to the carrier element 2 into the pressing position, the pressing levers 5, 5 'are guided in this manner and the pressing process can be carried out with high precision.
  • the pressing levers 5, 5 'each have a pressing jaw receptacle 22, 22' with a receiving surface into which the pressing jaws 4, 4 'are inserted.
  • the pressing jaws 4, 4 ' in turn, comprise a pressing surface extending around a central axis M and having a pressing contour 23, 23' and a receiving surface.
  • the pressing contours 23, 23 'are formed substantially concave so that a part to be pressed, such as a fitting to be pressed, by the pressing contour 23, 23' is compressible.
  • the bolt 8, 8 'thus serves for the pivotable mounting of the pressing levers 5, 5' on the carrier element and sets at the same time the pivot axes A1, A2, by which the pressing levers are pivoted 5,5 'ready.
  • the two bolts 8, 8 ' are each end secured with a non-releasable securing element 11, 11' in the bearing openings 6, 6 'and the support openings 3, 3'.
  • a securing element 11, 11 'in the form of an end cap which is placed on the bolt end 9, 9'.
  • the securing element 11, 11 'in this case comprises an inner wall 14, 14', which defines an inner space 16, 16 'for receiving the bolt end 9, 9'.
  • the distal end of the securing element or in other words the bottom surface 24, 24 'of the cap-shaped securing element, is planar and extends in each case perpendicularly with respect to the pivot axes A1, A2 or parallel to a plane of the carrier element 2.
  • the bolt end 9, 9 ' is thus completely enclosed by the cap-shaped securing element 11, 11'.
  • the securing element 11, 11 'on the outside has an outer wall 25, 25', which is in each case formed around the pivot axis A1, A2 in a frustoconical manner.
  • the outer wall is formed with a rounding, which is formed in cross-section as an arc.
  • the centers of the two-part arch are, viewed from the support element 2 in the direction of the bolt end 9, 9 'seen, arranged proximally to the carrier element 2 and the bolt end 9, 9' spaced.
  • the spring ring 18, 18 'in the form of a spring ring In the interior 16, 16 'of the securing element 11, 11' is a on the bolt end 9, 9 ', in particular on the lateral surface 10, 10' of the bolt end, acting securing part 18, 18 'in the form of a spring ring.
  • the spring ring may be substantially semicircular and over have an interruption (see FIG. 1 ).
  • pressing device 1 is located on both sides of the bolt 8 each have a non-releasable securing element 11, 11 '.
  • This figure thus shows a bolt 8, which extends through the support opening 3 of a first support member 2, through the bearing opening 6 of the pressing lever 5 and through the support opening of a second support member 2 'and thereby at its distal end of the bolt as well as at its proximal end of the bolt each one end cap 11, 11 'is secured.
  • the bolt 8 is cylindrical in shape and has over its entire length a constant diameter DB and a full cross-section.
  • the surfaces of the pressing lever 5 lie in each case flush on the surface of the first and second support member 2, 2 'and the inner surfaces of the support openings 3 or bearing openings 6 and the lateral surface 10 of the bolt 8 are in surface contact with each other. Both bolt ends 9, 9 'are in each case completely accommodated in the inner space 16, 16' of the end cap 11, 11 'and are completely enclosed by the inner wall 14, 14'.
  • FIGS. 6 to 11 12 to 16 respectively show a further preferred embodiment of a pressing device 1 'or 1 "with a bolt fixation according to the invention
  • the same elements are provided with the same reference numerals
  • the bolt end in particular on the lateral surface 10, 10' of the bolt end acting securing part 18, 18 'arranged in the form of a spring ring which in a circumferentially around the bolt 8, 8' around Groove 21, 21 'engages resp. snaps into them.
  • the spring ring is in a in the inner wall 15, 15 'circumferential groove 20, 20' of the end ring 12, 12 'placed.
  • the outer wall 26, 26 ' is not or can not be grasped effectively by a forceps-like tool
  • the outer wall '26, 26' of the terminating ring around the pivot axis A1, A2 here also frustoconical and has a rounding, which in cross section as a multipart Bow formed.
  • the bolt 8 is also cylindrical in shape and has over its entire length a constant diameter DB and a full cross-section.
  • FIG. 16 how out FIG. 16 it can be seen, the flange 7, 7 'integrally formed on both sides of the bolt 8, wherein the integral bolt end 9, 9', that is integrally formed on the bolt 8 flange 7, 7 ', has a diameter DF, which is larger than the diameter DB of the bolt 8 is.
  • FIG. 16 That's how it shows FIG. 16 that is to say a bolt 8 which extends through the carrier opening 3 of a first carrier element 2, through the bearing opening 6 of the pressing lever 5 and through the carrier opening of a second carrier element 2 'and at its distal bolt end 9 as well as at its proximal bolt end 9' the flanges 7, 7 'is secured with respect to an axial displacement.
  • the bolt 8 is cylindrical in shape and has a constant over its entire length Diameter DB as well as a full cross-section.
  • the above-mentioned aspects of the pressing device can also be in a pressing device in the form of a press loop resp. an intermediate jaw according to FIGS. 17 and 18 realize.
  • the same parts are provided with the same reference numerals.
  • FIG. 17 shows, the pressing device 1 '''in the form of a press loop on two pressing elements 5, 5' and a support member 2 in the form of a loop member, with which the pressing force can be applied to a compact.
  • here fuse elements in the form of the end rings 12, 12 'are provided. But equally conceivable are also securing elements in the form of end caps or flanges provided by deformation of the bolt ends.
  • the pressing elements 5, 5 'and the carrier element 2 each have a pressing jaw receiving 22, 22', 22 "with a receiving surface, in which the pressing jaws 4, 4 ', 4" are used.
  • the pressing elements 5, 5 'in the form of the loop parts are connected at one end to the carrier element 2 continuously via the bolts, while in each case the other end is an unconnected, free end, between which free ends a distance to form a closing point is provided.
  • these two free ends are at a minimum distance from each other and the press sling then has a substantially cylindrical cross-section.
  • At the free ends of the press loop, ie at the closing point are connecting bolts 27, 27 'and grooves 28, 28', to which an intermediate jaw, such as in FIG. 18 shown, can be recognized.
  • FIG. 18 is a pressing device 1 "" comprising a support member 2 with two Support openings 3, 3 'and a pressing element in the form of an intermediate jaw with two bearing openings shown.
  • a bolt 8, 8 ' extends through one of the carrier openings and the bearing openings.
  • the two bolts are each end provided with a securing element in the form of the end rings 12, 12 ', which also end caps or flanges provided by deformation of the bolt ends can be present.
  • the intermediate jaw is formed with two jaw levers 29, 29 ', which open at one end into a claw 30. This claw 30 can be in grooves 28, 28 'of a press sling such as in FIG. 17 Insert shown and hang in the connecting pin 27, 27 '.
  • the claw 30 In the connected position, the claw 30 completely surrounds the connecting bolts 27, 27 'of the press sling.
  • the jaw levers 29, 29 'are then moved towards each other the free ends of the press sling are also moved toward each other and there is a pressing of the looped by the press sling compact.

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Claims (14)

  1. Ensemble de sertissage (1, 1', 1", 1''', 1'''') comprenant :
    au moins un élément de support (2) présentant au moins une ouverture de support (3, 3'),
    au moins un élément de sertissage (5, 5') doté d'au moins une ouverture de montage (6, 6') et permettant d'appliquer une force de sertissage sur une pièce à comprimer, le ou les éléments de sertissage (5, 5') étant montés à pivotement sur l'élément de support (2) autour d'au moins un axe de pivotement (A1, A2),
    un goujon (8, 8') qui constitue le palier ainsi que l'axe de pivotement (A1, A2) traversant la ou les ouvertures de support (3, 3') et l'ouverture de montage (6, 6'), le goujon (8, 8') étant bloqué à son extrémité par un élément de blocage (11, 11'; 12, 12'; 13, 13') non libérable pour empêcher un coulissement axial en direction de l'élément de support (2) dans l'ouverture de montage (6, 6') et l'ouverture de support (3, 3'), caractérisé en ce que
    l'élément de blocage (11, 11'; 12, 12') présente un espace intérieur (16, 16'; 17, 17') délimité par une paroi intérieure (14, 14'; 15, 15') pour reprendre l'extrémité (9, 9') du goujon et au moins une pièce de blocage (18, 18') qui agit sur l'extrémité (9, 9') du goujon et en particulier sur la surface d'enveloppe (10, 10') de l'extrémité du goujon est disposée dans l'espace intérieur (16, 16'; 17, 17').
  2. Ensemble de sertissage selon la revendication 1, caractérisé en ce que l'élément de blocage (11, 11'; 12, 12'; 13, 13') ne peut être libéré sans être détruit.
  3. Ensemble de sertissage selon l'une des revendications 1 et 2, caractérisé en ce que l'ensemble de sertissage présente la forme d'une boucle de sertissage, tant le ou les éléments de sertissage (5, 5') que l'élément de support (2) présentant la forme d'une partie de boucle par laquelle une force de poussée peut être appliquée sur une pièce de sertissage, ou en ce que l'ensemble de sertissage présente la forme d'une boucle de sertissage, le ou les éléments de sertissage (5, 5') présentant la forme d'une partie de boucle par laquelle une force de poussée peut être appliquée sur une pièce de sertissage, l'élément de support (2) étant un élément reliant deux parties de boucle ou en ce que le ou les éléments de sertissage présentent la forme d'une mâchoire intermédiaire dotée de deux ouvertures de montage (6, 6') et pouvant en particulier être reliée à une boucle de sertissage et en ce que le l'élément de support (2) présente deux ouvertures de support (3, 3'), le goujon (8, 8') traversant l'une des ouvertures de support (3, 3') et des ouvertures de montage (6, 6').
  4. Ensemble de sertissage selon l'une des revendications 1 et 2, caractérisé en ce que deux éléments de sertissage (5, 5') sont disposés sous la forme de leviers de sertissage et en ce que le ou les éléments de support (2) présentent deux ouvertures de support (3, 3'), le goujon (8, 8') traversant une des ouvertures de support (3, 3') et des ouvertures de montage (6, 6').
  5. Ensemble de sertissage selon la revendication 4, caractérisé en ce que les deux éléments de sertissage (5, 5') sont disposés entre deux éléments de support (2, 2'), chacun des éléments de support (2, 2') présentant deux ouvertures de montage (6, 6').
  6. Ensemble de sertissage selon l'une des revendications 4 ou 5, caractérisé en ce que les deux leviers de sertissage (5, 5') présentent au moins deux mâchoires de sertissage (4, 4') qui appliquent la force de sertissage sur la pièce de sertissage et en ce que les axes de pivotement (A1, A2) sont parallèles l'un à l'autre, l'un (5) des leviers de sertissage pouvant pivoter autour d'un (A1) des axes de pivotement et l'autre levier de sertissage (5') autour de l'autre axe de pivotement (A2) d'une position initiale jusque dans une position de sertissage de telle sorte qu'à la fin de l'opération de sertissage, les mâchoires de sertissage (4, 4') forment ensemble le long des axes de pivotement (A1, A2) un cercle essentiellement fermé.
  7. Ensemble de sertissage selon l'une des revendications précédentes, caractérisé en ce que l'élément de blocage (11, 11'; 12, 12') est un élément de blocage placé sur l'extrémité (9, 9') du goujon et qui entoure au moins en partie et de préférence complètement l'extrémité (9, 9') du goujon.
  8. Ensemble de sertissage selon l'une des revendications précédentes, caractérisé en ce que la pièce de blocage est un anneau élastique (18, 18') qui est placé dans une rainure (19, 19'; 20, 20') qui entoure la paroi intérieure (14, 14'; 15, 15'), l'anneau élastique s'engageant dans une entaille (21, 21') qui entoure la périphérie du goujon (8, 8').
  9. Ensemble de sertissage selon l'une des revendications 1 à 7 qui précèdent, caractérisé en ce que la pièce de blocage est formée de plusieurs pattes qui débordent de la paroi intérieure (14, 14'; 15, 15') jusque dans l'espace intérieur (16, 16'; 17, 17') et qui agissent comme contre-crochets lorsqu'une force de séparation est appliquée sur l'élément de blocage (11, 11'; 12, 12'), ou en ce que la pièce de blocage est un disque denté.
  10. Ensemble de sertissage selon l'une des revendications 7 à 9, caractérisé en ce que la paroi intérieure (14, 14') entoure complètement la partie du goujon (8, 8') qui déborde de l'élément de support (2).
  11. Ensemble de sertissage selon l'une des revendications 7 à 10, caractérisé en ce que l'élément de blocage présente à l'extérieur une paroi extérieure (25, 25'; 26, 26'), cette paroi extérieure ('25, 25'; 26, 26') étant configurée en forme de tronc de cône autour dudit axe de pivotement (A1, A2), en particulier de telle sorte que la paroi extérieure (25, 25'; 26, 26') ne puisse être saisie ou ne puisse être saisie efficacement par un outil en forme de pince.
  12. Ensemble de sertissage selon la revendication 11, caractérisé en ce que la paroi extérieure (25, 25'; 26, 26') de l'élément de blocage (11, 11'; 12, 12') est arrondie par un arrondi autour dudit axe de pivotement (A1, A2).
  13. Ensemble de sertissage selon l'une des revendications précédentes, caractérisé en ce que des deux côtés du goujon (8, 8') sont disposés des éléments de blocage non libérables (11, 11'; 12, 12'), de préférence identiques, ou en ce que le goujon (8, 8') est configuré avec une extrémité de goujon formée d'un seul tenant, l'extrémité du goujon formée d'un seul tenant présentant un diamètre supérieur au diamètre (DB) du goujon, ledit élément de blocage non libérable (11, 11'; 12, 12') étant disposé de l'autre côté.
  14. Ensemble de sertissage selon l'une des revendications précédentes, caractérisé en ce que le goujon (8, 8') est configuré comme goujon creux traversé par une ouverture de goujon dans la direction de l'axe de pivotement (A1, A2) ou en ce que le goujon (8, 8') présente une section transversale pleine sur toute sa longueur.
EP16164975.1A 2016-04-12 2016-04-12 Dispositif de pression comprenant une fixation à boulon Active EP3231528B1 (fr)

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EP3231528B1 true EP3231528B1 (fr) 2019-02-27

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Publication number Priority date Publication date Assignee Title
EP3610988B1 (fr) 2018-08-17 2021-12-22 Geberit International AG Dispositif de pression à fixation à boulon centrée

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Publication number Priority date Publication date Assignee Title
EP1092487A3 (fr) * 1999-10-15 2004-08-25 Gustav Klauke GmbH Dispositif de pressage avec machoires de compression
EP1114698B1 (fr) * 2000-01-07 2003-08-27 Von Arx Ag Pince à sertir
US8015853B2 (en) * 2007-03-08 2011-09-13 Rostra Tool Company Crimping tool construction with angularly disposed jaw head assembly
DE102007061164B4 (de) * 2007-12-17 2010-03-04 Viega Gmbh & Co. Kg Presswerkzeug mit bistabilem Spannungsmechanismus
DE102008003723B4 (de) * 2008-01-09 2018-11-22 Knipex-Werk C. Gustav Putsch Kg Zange
DE102009059053A1 (de) 2009-12-15 2011-06-16 REMS-WERK Christian Föll und Söhne GmbH Presswerkzeug zum Radialverpressen von Werkstücken sowie Werkzeug mit wenigstens zwei relativ zueinander bewegbaren Werkzeugteilen
DE102012100357B4 (de) * 2012-01-17 2014-05-22 Viega Gmbh & Co. Kg Lösbare Werkzeugbackenhälfte
US9227240B2 (en) * 2013-06-05 2016-01-05 Conbraco Industries, Inc. Crimping head for impact wrench
DE102013112848B3 (de) * 2013-11-21 2015-04-23 Viega Gmbh & Co. Kg Presswerkzeug mit bistabilem Spannungsmechanismus

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