EP3153279B1 - Outil formé à la manière d'une pince d'écartement - Google Patents

Outil formé à la manière d'une pince d'écartement Download PDF

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Publication number
EP3153279B1
EP3153279B1 EP16002106.9A EP16002106A EP3153279B1 EP 3153279 B1 EP3153279 B1 EP 3153279B1 EP 16002106 A EP16002106 A EP 16002106A EP 3153279 B1 EP3153279 B1 EP 3153279B1
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EP
European Patent Office
Prior art keywords
tool
tool part
receiving groove
adjusting
lever
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
EP16002106.9A
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German (de)
English (en)
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EP3153279A1 (fr
Inventor
Stefan Baur
Thomas Sjösten
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.)
Gedore Holding GmbH
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Gedore Holding GmbH
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Publication of EP3153279A1 publication Critical patent/EP3153279A1/fr
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    • 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
    • B25B27/14—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same
    • B25B27/20—Hand tools, specially adapted for fitting together or separating parts or objects whether or not involving some deformation, not otherwise provided for for assembling objects other than by press fit or detaching same inserting or withdrawing split pins or circlips
    • B25B27/205—Pliers or tweezer type tools with tow actuated jaws

Definitions

  • Hand tool designed in the manner of expanding pliers with a first hand lever having a first handle part and a first tool part and a second hand lever having a second handle part and a second tool part, which are pivotable relative to one another, the tool ends of the tool parts being arranged in a common plane and can be inserted into a receiving groove of a bore of a component in such a way that the tool ends can be brought into engagement with ends of a securing ring seated in the receiving groove that are spaced apart in the circumferential direction by actuating the handle parts of the hand levers.
  • Circlips or snap rings have long been known in mechanical engineering. They are primarily used for the axial fixing of components on a shaft or in a mounting hole. For example, circlips are used as so-called internal circlips to secure bearings in a receiving bore and as so-called external circlips to secure the position on a shaft or axle. If a component is to be axially fixed in a bore, a corresponding circumferential receiving groove into which the retaining ring can be inserted is provided in the bore to accommodate the internal retaining ring, hereinafter generally referred to as retaining ring. In order to be able to use this retaining ring in such a receiving groove, it is necessary to deform it in a resilient manner so that whose diameter can be reduced. In this regard, such securing rings are "slotted" and accordingly form two end sections spaced from one another in the circumferential direction, so that the securing ring can be "compressed".
  • Circlips of different designs are known, in particular in order to be able to dismantle, that is to say, remove such a circlip from the receiving groove.
  • locking rings which are provided with radially inwardly projecting eyelets in the area of their end sections, with which specially designed so-called locking ring pliers can be brought into engagement.
  • safety pliers have two hand levers which are connected to one another in a pivotable manner.
  • the hand levers are provided with handle parts by means of which the circlip pliers can be actuated.
  • each hand lever forms a tool part, the free ends of which are designed, for example, like a pin, in order to be able to be brought into engagement with the eyelets or the bores of the eyelets of the locking ring.
  • Internal locking rings are also known in which at least one of the end sections has a leg directed radially inward. This leg can be gripped with conventional pliers to dismantle the internal locking ring from the associated receiving groove. A rotating movement of the pliers engaged with the leg can also reduce the diameter of the internal locking ring, at least in the end region of the leg, so that the internal locking ring can be axially removed from the receiving groove.
  • retaining rings are also known which can be inserted into a receiving groove on a shaft or an axle.
  • expanding pliers are known. These expanding pliers also have two hand levers, each of which has a handle part and a tool part opposite to this with respect to a pivot axis.
  • expanding pliers which are designed like pins in their free end regions of the tool parts in order to be able to bring the tool parts into engagement with the eyes of a locking ring. If these pins of the tool parts are in engagement with the eyes of the locking ring and the expanding pliers are then operated via their handle parts, the distance between the tool parts increases with the effect that the locking ring is expanded and thus can be removed from a circumferential receiving groove of a shaft or axle.
  • retaining rings are also known which are not provided with such eyelets or radially extending legs.
  • Such securing rings have ends, for example, whose end faces run obliquely to a radial or tangent of the ring.
  • end faces run obliquely to a radial or tangent of the ring.
  • DE 10 2012 016 491 A1 referenced.
  • a round wire locking ring is described, the ends of which are provided with sloping end faces. In this respect, reference is made here in full to this publication.
  • an associated hand tool is also described, which is designed in the manner of expanding pliers, which is provided in particular for assembling and disassembling such round wire locking rings.
  • these expanding pliers have tool parts called lever jaws, which are provided with functional surfaces. These functional surfaces of the two tool parts are also bevelled, so that they can be brought into engagement with the end faces of the end sections of the round wire locking ring.
  • the special design of the end faces of both the end sections of the round wire locking ring and the lever jaws, the engagement should be designed in such a way that a round wire locking ring inserted as an internal locking ring in a receiving groove of a bore can be "levered out” by means of these expanding pliers.
  • Round wire locking ring is intended here to cause the ends of the round wire locking ring to "slide" along the inclined end faces of the lever jaws of the expanding pliers, so that the ends with their inclined end faces of the round wire locking ring are adjusted radially inwards out of the receiving groove, at least in these end areas, so that then at least these end areas can be adjusted axially, which in turn is intended to bring about a reduction in the diameter of the round wire locking ring in the bore.
  • the invention is based on the object of designing a hand tool designed in the manner of expanding pliers in such a way that, in particular, internal locking rings can be safely removed from a receiving groove of a bore.
  • one of the tool parts is adjustable relative to the other tool part relative to the receiving groove in such a way that the end portion of the locking ring which is in engagement with this tool part is bent out of the receiving groove, and that the tool parts have arcuate lateral support surfaces facing each other, via which the tool parts can be pivoted and adjusted relative to one another in the assembled state of the hand levers, and that the second tool part has a bearing pin protruding vertically upwards and that the first tool part has an upwardly protruding one Has adjusting pin and that an adjusting lever is provided which can be brought into operative connection with the bearing pin and the adjusting pin in such a way that a rotation of the adjusting lever about the bearing pin causes an adjustment of the adjusting pin, whereby the relative adjustment of one tool part relative to the other tool part takes place .
  • the configuration according to the invention makes it possible to bend at least one end section of a securing ring seated in a receiving groove of a bore radially out of the receiving groove to such an extent that this end region can be axially removed from the receiving groove.
  • the facing, arcuate, lateral support surfaces of the tool parts achieve an extremely simple mounting of the two hand levers over their tool parts, which allows both a pivoting of the two hand levers with their tool parts and a relative adjustability of the tool parts.
  • the curved support surfaces of the tool parts lie against one another, so that the two tool parts can be pivoted against one another together with the hand levers due to the curved shape. Since the support surfaces are in flat contact, the one support surface can simultaneously slide along the other support surface, so that the tool parts together with the hand levers can also be easily adjusted at the same time via the support surfaces in the direction of the hand lever.
  • both tool ends of the tool parts are inserted into a receiving groove of a securing ring, one of the tool parts can accordingly be adjusted relative to the other tool part from the receiving groove essentially in the radial direction to the receiving groove.
  • This configuration thus results in an extremely simple rotatable and adjustable mounting of the two tool parts.
  • the adjustment of the hand lever is effected by an additional adjusting lever, which with the two hand levers is in operative connection in such a way that when it is actuated, the relative adjusting movement of the two tools to one another is effected.
  • the second tool part has a vertically upwardly projecting bearing pin and that the first tool part has an upwardly projecting adjusting pin and that the adjusting lever can be brought into operative connection with the bearing pin and the adjusting pin in such a way that rotation of the adjusting lever around the bearing pin causes an adjustment of the adjusting pin, whereby the relative adjustment of one tool part takes place relative to the other tool part.
  • the adjusting lever is rotatably supported on the second (other) tool part on its bearing pin, so that it serves as an abutment. If one (first) tool part is now brought from an initial position to an end position when the adjusting lever is rotated, one tool part is "pulled” out of the receiving groove together with the end section of the locking ring with which the tool part is connected, deforming the locking ring. .
  • the other tool part is supported in the groove base of the receiving groove.
  • a plastic deformation of the end section of the locking ring can also be achieved here, so that after removing the expanding pliers according to the invention, the inwardly bent end of the locking ring can be gripped with conventional pliers, so that the locking ring can be easily removed from the Groove and thus can be removed from the bore.
  • the second tool part can be provided with a centering disk.
  • This centering disk can be inserted, for example, in a bearing ring of a roller bearing secured in a bore by the retaining ring, so that the application of the hand tool in the area of a retaining ring to be dismantled is made easier.
  • the first tool part is received on the second tool part between the centering disk and the guide disk. This particularly also facilitates the joint placement of the hand tool with both tool parts in a receiving groove, since the first tool part is adjustably connected to this second tool part due to this configuration, in particular lying in a common plane with the second tool part.
  • Fig. 1 shows a perspective exploded view of a first hand lever 1 and a second hand lever 2 of a possible embodiment of a hand tool 3 according to the invention is connected parallel to the handle part 4 (front) first tool part 6.
  • the illustrated two-fold bent shape of the hand lever 1 is only an example. It can also be provided that the handle part 4 is directly connected to the tool part 6 or that the connection section 5 does not run at a right angle inclined to the handle part 4 and / or to the tool part 6.
  • the tool part 6 also does not necessarily have to run parallel to the handle part 4.
  • the connecting section 5 is not provided, that the handle part is arranged, for example, at an incline “upwards” on the “horizontally” running tool part 6. This is ultimately dependent on the specific conditions of use for which the hand tool 3 is intended in the individual case. The same also applies to the design of the second hand lever 2.
  • This first tool part 6 has a receiving bore 7 into which an adjusting pin 8 can be fixedly inserted.
  • the receiving bore 7 is arranged approximately centrally in the first tool part 6.
  • the first tool part 6 is equipped with a claw-like tool end 9.
  • the tool part 6 is designed to be reduced in its vertical height, so that it can be inserted into a receiving groove of a locking ring.
  • the first tool part 6 has a slightly curved support surface 10 towards the second hand lever 2, the function of which will be explained in more detail later.
  • the second hand lever 2 of the hand tool 3 has a second tool part 15 which, in the exemplary embodiment shown, runs parallel to a second handle part 16 of the second hand lever 2 and is also fixedly connected to the second handle part 16 via a (vertical) connecting section 17.
  • the second tool part 15 also forms a tool end 18, which is also designed in the shape of a hook.
  • the tool part 15 is also equipped with a lower height, so that it can also be inserted into a receiving groove of a locking ring.
  • the tool part 15 also forms an engagement surface 19 which is inclined at an angle to the longitudinal center axis 20 of the second tool part 15, as can be seen from the drawing.
  • a centering disk 25 can be seen, which can be fixedly mounted on the underside of the second tool part 15.
  • a mounting pin 26 and a bearing pin 27 are provided in the present embodiment, which can be fixedly inserted through corresponding mounting bores 28 and 29 of the second tool part 15 and fixedly engaged with corresponding receiving bores 30 and 31 of the centering sheath.
  • press connections or any other suitable connection can be provided here.
  • a guide disk 32 can be seen, which can be mounted on the upper side of the second tool part 15 by means of a mounting screw 33.
  • this tool part 15 has a corresponding threaded bore 34 towards its tool end 18.
  • the angled configuration of the first hand lever 1 and of the second hand lever 2 with the angled connecting sections 5 and 17 shown as an example is provided in order to be able to bring the two tool parts 6 and 15 into engagement with a locking ring, which has a certain "depth" is used in a receiving groove of a bore.
  • the two connecting sections 5 and 17 can also be made longer or shorter.
  • Fig. 1 It can be at least indicated that the lateral support surface 21 of the second tool part 15, which is opposite the engagement surface 19, also has an arcuate course. Due to the arcuate shape of this support surface 21 and the support surface 10, the two hand levers 1 and 2 with their tool parts 6 and 15 can be arranged lying next to one another in a common plane and can be pivoted relative to one another by actuating the handle parts 4 and 16.
  • Fig. 2 shows the first hand lever 1 with an abbreviated handle part 4 in a perspective illustration of its first tool part 6 with the adjusting pin 8 mounted on the tool part 6.
  • Fig. 3 shows the second hand lever 2 with its second handle part 16, shown in abbreviated form, the connecting section 17 and the second tool part 15, the second handle part 16 also being shown here in shortened form.
  • centering disk 25 is arranged on the underside of the tool part 15 and over the mounting pin 26 and the bearing pin 27 fixedly attached to the second tool part 15. It is off Fig. 3 It can be seen that the centering disk 25 protrudes laterally beyond the curved support surface 21.
  • Fig. 4 shows the representation Fig. 3 of the second hand lever 2 with its handle part 16, the vertical connecting section 17 and the second tool part 15.
  • the guide disk 32 is attached to the top of the second tool part 15 via the mounting screw 33. This guide disk 32 also protrudes laterally beyond the tool part 15, at least beyond the curved support surface 21, so that the guide disk 32 forms a type of guide element.
  • the first hand lever 1 with its first tool part 6 can be inserted into this receiving area 40, so that the first tool part 6 can be brought into contact with its support surface 10 with the support surface 21 of the second tool part 15.
  • the guide element shown here as an example in the form of the guide disk 32 can also have a different outer contour and does not necessarily have to be circular. This also does not necessarily have to be screwed to the tool part 15.
  • This guide element 35 is designed like a plate and can be fixedly connected to the tool part 15 by means of a welded or soldered connection or, with an appropriate configuration, also by means of a screw connection.
  • the centering disk 25 is provided below the tool part 15 and is fixedly mounted on the tool part 15 via the mounting pin 26 and the bearing pin 27.
  • Fig. 6 shows the assembled state of the first hand lever 1 and the second hand lever 2 from FIG Figs. 2 and 4 . It can be seen that the first tool part 6 is accommodated between the upper guide element designed as a guide disk 32 and the lower centering disk 25 and is in contact with the second tool part 15 below the guide disk 32. Due to this guidance of the first tool part 6 between the guide disk 32 and the centering disk 25, the two tool parts 6 and 15 are arranged in a common plane 22 and can thus be used together in a receiving groove of a locking ring.
  • FIG. 7 This assembled state of the two hand levers 1 and 2 with their tool parts 6 and 15 is shown Fig. 7 in a plan view VI Fig. 6 . From this top view of the Fig. 7 it can again be seen that the two tool parts 6 and 15 are in contact with one another with their support surfaces 10 and 21 which run in an arc. The first tool part 6 is received in a pivotable manner relative to the second tool part 15 between the lower centering disk 25 and the upper guide disk 32. Thus, the two hand levers 1 and 2 via their in Fig.
  • an adjusting lever 50 is provided which is shown in FIG Fig. 8 can be seen in a perspective view.
  • the adjusting lever 50 off Fig. 8 has a handle 51 on which a plate-shaped adjusting device 52 is arranged.
  • This adjusting device 52 runs essentially parallel to the handle 51 and is fixedly connected to it via a connecting section 53 extending at right angles to the handle 51 or to the adjusting device 52.
  • this angled configuration of the adjusting lever 50 is only an example and that, as described for the two hand levers 1 and 2, other shapes are also conceivable.
  • the adjusting device 52 has a slot-like opening 55 in the region of its "free" end 54, with which the adjusting device 52 with the bearing pin 27 of the second tool part 15 is formed Fig. 3 is adjustably engageable.
  • the adjusting device 52 Towards the connecting section 53, the adjusting device 52 has a through-hole 56 at a distance from its opening 55, with which the adjusting device 52 is connected to the Fig. 2 recognizable adjusting pin 8 of the first tool part 6 can be brought into engagement.
  • FIG. 9 a perspective illustration of the hand tool 3 with its first hand lever 1, the second hand lever 2 and the adjusting lever 50 attached to the hand tool 3 Fig. 8 .
  • the first hand lever 1 and the second hand lever 2 are shown in shortened form so that the associated handle parts 4 and 16 are only partially visible.
  • the adjusting lever 50 is also shown shortened, so that its handle 51 is also only partially visible. How out Fig. 9 As can be seen, the two hand levers 1 and 2 are joined together, as shown in FIG Fig. 4 and the associated description.
  • the adjusting lever 50 is attached to the hand tool 3 with its adjusting device 52 and, in the engagement position shown, rests on the upper side on the two tool parts 6 and 15 or on the guide disk 32.
  • the adjusting device 52 is in engagement with its opening 55 with the vertically upwardly projecting bearing pin 27 of the second tool part 15.
  • the through hole 56 of the adjusting device 52 is pushed onto the adjusting pin 8 of the first tool part 6, which likewise protrudes vertically upwards.
  • the adjusting lever 50 By actuating (rotating) the adjusting lever 50 in the direction of the arrow 60, the adjusting lever 50 is adjusted around the bearing pin 27 in the direction of the arrow 60, so that the adjusting pin 8 is also adjusted due to its engagement with the through hole 56 of the adjusting lever 50.
  • This bearing bore 66 can have a plurality of conically formed, axially spaced sections 67 and 68, between which a cylindrical section 69 is located. These sections 67, 69 and 68, which follow one another in the axial direction, serve to facilitate the assembly of a locking ring 70, which is shown in FIG Fig. 10 is already used in a circumferential receiving groove 71.
  • the securing ring 70 is "slotted" and has two end sections 72 and 73 spaced apart from one another in the circumferential direction.
  • the end faces 74 and 75 of these end sections 72 and 73 can be designed so as to be inclined to a radial 76 or 77 penetrating them, as exemplified by FIG DE 10 2012 016 491 for the round wire locking ring described there.
  • the locking ring 70 is in the Fig. 10 shown fully assembled position in the groove base 78 of the receiving groove 71, so that it cannot be gripped from behind in its circumferential area by means of a tool, so that it cannot be pressed together for dismantling from the receiving groove 71.
  • the hand tool 3 according to the invention is provided.
  • a roller bearing 80 is fitted, which is axially secured by the securing ring 70.
  • This roller bearing 80 has, in particular, an inner bearing ring 81 which has a correspondingly associated through-hole 82, for example for the rotatable mounting of a shaft.
  • Fig. 11 As can be seen, the hand tool 3 with the radially outer tool ends 9 and 18 of its tool parts 6 and 15 can be inserted between the two end sections 72 and 73 of the securing ring 70. It is closed Fig. 8 The illustrated adjusting lever 50 is not placed on the two tool parts 6 and 15 or their adjusting pin 8 or bearing pin 27.
  • the centering disk 25 is provided, which consists of Fig. 11 is hinted at and accordingly in this attached position Fig. 11 in the inner bearing ring 81 or in the out Fig. 9 apparent through hole 82 of the bearing ring 81 is used.
  • Fig. 12 shows a plan view XI from Fig. 10 , from which it can be seen how the two front tool ends 9 and 18 are arranged between the two end sections 72 and 73 of the locking ring 70. Since the two hand levers 1 and 2 with their handle parts 4 and 16 are in an "open" angular position, the two engagement surfaces 12 and 19 of the two tool parts 6 and 15 are spaced apart from one another which is smaller than the distance between the two end faces 74 and 75 of the end sections 72 and 73 of the locking ring 70.
  • FIG. 13 This engagement position is exemplified in the plan view Fig. 13 removable. Furthermore is Fig. 12 and Fig. 13 It can also be seen that the tool part 15 with its centering disk 25 is inserted into the inner bearing ring 81 of the roller bearing 80 in a suitable manner. Out Fig. 13 Furthermore, the groove bottom 78 can be seen in dashed lines, on which the two tool ends 9 and 18 are in radial contact in this attached initial state.
  • Fig. 13 it can be seen here that the adjusting device 52 with its slot-like opening 55 is in engagement with the bearing pin 27.
  • the through hole 56 of the adjusting device 52 is in turn in engagement with the adjusting pin 8 of the first tool part 6. If the adjusting lever 50 is now over its in Fig. 13 If the handle 51 shown in abbreviated form is adjusted around the bearing pin 27 in the direction of the arrow 60, the adjusting pin 8 accordingly also moves essentially in the direction of the arrow 61, whereby a relative adjusting movement of the hand lever 1 relative to the hand lever 2 with its tool part 6 relative to the tool part 15 is effected.
  • the front tool end 9 of the first tool part 6 also moves relative to the front tool end 18 of the second tool part 15 in the direction of the arrow 61.
  • the front tool end 18 of the second tool part 15 is supported in the groove base 78 (shown in dashed lines) of the in Fig. 12 for the sake of clarity, receiving groove 71 (not shown) Fig. 10 radially. Since the tool end 9 is in operative connection with its engagement surface 12 with the end section 73 of the locking ring 70, this end section 73 is inevitably also bent in the direction of the arrow 61 essentially radially out of the receiving groove. To fully bend this end section 73 out of the receiving groove, the adjusting lever 50 is removed from the position shown in FIG Fig. 13 shown Starting position in the in Fig. 14 The illustrated end position is adjusted about the bearing pin 27.
  • Fig. 14 it can be seen that the hand lever 1 has been adjusted relative to the hand lever 2 by the adjusting movement of the adjusting lever 50 in the direction of the arrow 60 in the direction of the arrow 61. Due to the engagement of the tool end 9 with its engaging surface 12 with the end section 73 of the locking ring 70, this end section 73 becomes like this Fig. 14 can be seen, bent radially inward, with a plastic deformation of the locking ring 70 taking place here.
  • FIG. 15 an embodiment variant in which either the first hand lever 1 or the second hand lever 2 can be adjusted in the direction of the arrow 61 by the adjusting lever 50.
  • the same reference numbers are entered here as in Fig. 14 so that the associated description is also on Fig. 15 can be read as long as the functional relationships are identical.
  • the mounting pin 26 and the bearing pin 27 are interchanged, so that the mounting pin 26 is in the out Fig. 1 visible mounting hole 28 and the bearing pin 27 in the from Fig. 1 visible mounting hole 29 is used.
  • the guide disk 32 is used as the guide element, it has an opening 36. Since the bearing pin 27 protrudes "upwards" beyond the tool part 15 in the assembled state, this opening 36 is to be provided in the guide disk 32, as shown in the plan view of FIG Fig. 15 is recognizable.
  • the guide element can also have a completely different shape, so that the opening 36 can also be omitted.
  • the hand lever 1 is adjusted together with its tool part 6 in the direction of the arrow 61, as is the case with the Fig. 13 and 14th is described for the first variant.
  • one of the two end sections 72 or 73 or both end sections 72 and 73 can be bent radially inward if necessary. If both end sections 72 and 73 are bent inwards one after the other, the subsequent dismantling of the securing ring 70 is further simplified, since these end sections 72 and 73, which are bent radially inward, can be grasped with "conventional" pliers. With such a pair of pliers, the circumferential distance between the two inwardly bent end sections 72, 73 of the locking ring 70 can easily be reduced, so that the diameter of the locking ring 70 is correspondingly reduced and it can thus be axially removed from the receiving groove 71 in a simple and safe manner can.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)

Claims (3)

  1. Outil manuel (3) formé à la manière d'une pince d'écartement, comprenant un premier levier manuel (1), qui comprend une première partie de poignée (4) et une première partie d'outil (6), et comprenant un deuxième levier manuel (2), qui comprend une deuxième partie de poignée (16) et une deuxième partie d'outil (15), lesquels leviers manuels peuvent être pivotés de manière relative l'un par rapport à l'autre, dans lequel les extrémités d'outil (9, 18) des parties d'outil (6, 15) sont disposées dans un plan commun(22), et elles peuvent être insérées dans une rainure de réception (71) d'un trou de forage (66) d'un élément de construction (65), de sorte que les extrémités d'outil (9, 18) peuvent être mises en prise avec des sections d'extrémité (72, 73) espacées l'une de l'autre dans la direction circonférentielle d'une bague de retenue (70) se trouvant dans la rainure de réception(71) en actionnant les parties de poignée (4, 16) des leviers manuels (1, 2),
    caractérisé en ce
    que l'une des parties d'outil (6, 15) peut, relativement par rapport à l'autre partie d'outil (15, 6), être déplacée relativement par rapport à la rainure de réception (71), de sorte que la section d'extrémité (73, 72) de la bague de retenue (70), qui est en prise avec cette partie d'outil (6, 15) est courbée hors la rainure de réception (71),
    que les parties d'outil (6, 15) comprennent des surfaces latérales de support (10, 21), qui se font face l'une à l'autre, et qui s'étendent en forme d'arc, via lesquelles surfaces de support les parties d'outil (6, 15) peuvent être pivotées l'une contre l'autre et être déplacées relativement l'une par rapport à l'autre à l'état monté des leviers manuels (1, 2) et
    que la deuxième partie d'outil (15) comprend un tourillon de palier (27), qui fait verticalement saillie vers le haut, et
    que la première partie d'outil (6) comprend un tourillon de réglage (8), qui fait saillie vers le haut et,
    qu'un levier de réglage (50) est prévu, qui peut être activement relié au tourillon de palier (27) et au tourillon de réglage (8), de sorte qu'une rotation du levier de réglage (50) autour du tourillon de palier (27) provoque un déplacement du tourillon de réglage (8), ce qui provoque un déplacement relatif de l'une partie d'outil (6 ou 15) relativement par rapport à l'autre partie d'outil (15 ou 6).
  2. Outil manuel selon la revendication 1, caractérisé en ce que la deuxième partie d'outil (15) est munie d'une rondelle de centrage (25) sur le côté inférieur par rapport au trou de forage (66).
  3. Outil manuel selon la revendication 2, caractérisé en ce que la deuxième partie d'outil (15) comprend un élément de guidage (32) sur son côté opposé au trou de forage (66) sur la surface supérieure, et
    que la première partie d'outil (6) peut être reçue de manière pivotant et réglable entre l'élément de guidage (32) et la rondelle de centrage (25).
EP16002106.9A 2015-10-10 2016-09-29 Outil formé à la manière d'une pince d'écartement Active EP3153279B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE202015007091.4U DE202015007091U1 (de) 2015-10-10 2015-10-10 Nach Art einer Spreizzange ausgebildetes Handwerkzeug

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EP3153279A1 EP3153279A1 (fr) 2017-04-12
EP3153279B1 true EP3153279B1 (fr) 2021-06-02

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CN108356753A (zh) * 2018-01-23 2018-08-03 上海博邦汽车技术有限公司 卸c圈专用钳
CN110919588A (zh) * 2019-12-05 2020-03-27 中国航发四川燃气涡轮研究院 一种装配孔用挡圈的装置及其使用方法

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US2546616A (en) * 1946-09-26 1951-03-27 Waldes Kohinoor Inc Tool for handling open-ended spring retaining rings
DE202006016722U1 (de) * 2006-11-02 2007-01-11 Klann-Spezial-Werkzeugbau-Gmbh Spannzange zum Spannen eines Sicherungsringes
DE102012016491A1 (de) 2012-08-21 2013-03-14 Daimler Ag Runddrahtsicherungsring, Werkzeug dafür und Kit

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