EP2082837B1 - Pince à sertir - Google Patents

Pince à sertir Download PDF

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Publication number
EP2082837B1
EP2082837B1 EP09150149A EP09150149A EP2082837B1 EP 2082837 B1 EP2082837 B1 EP 2082837B1 EP 09150149 A EP09150149 A EP 09150149A EP 09150149 A EP09150149 A EP 09150149A EP 2082837 B1 EP2082837 B1 EP 2082837B1
Authority
EP
European Patent Office
Prior art keywords
crimping
jaws
pressing
pliers
movement
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
EP09150149A
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German (de)
English (en)
Other versions
EP2082837A1 (fr
Inventor
Kurt Battenfeld
Thomas Glockseisen
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.)
Wezag GmbH and Co KG
Original Assignee
Wezag GmbH Werkzeugfabrik
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 Wezag GmbH Werkzeugfabrik filed Critical Wezag GmbH Werkzeugfabrik
Priority to PL09150149T priority Critical patent/PL2082837T3/pl
Priority to SI200930050T priority patent/SI2082837T1/sl
Publication of EP2082837A1 publication Critical patent/EP2082837A1/fr
Application granted granted Critical
Publication of EP2082837B1 publication Critical patent/EP2082837B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/12—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools involving special transmission means between the handles and the jaws, e.g. toggle levers, gears
    • 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
    • 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
    • B25B27/146—Clip clamping hand tools
    • 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
    • B25B7/00—Pliers; Other hand-held gripping tools with jaws on pivoted limbs; Details applicable generally to pivoted-limb hand tools
    • B25B7/14—Locking means
    • B25B7/16—Locking means combined with means for tightening the operating arms of jaws
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
    • H01R43/042—Hand tools for crimping

Definitions

  • the invention relates to a pressing tongs for manually operated pressing of a workpiece, such as a socket, a fitting, pipes, cable lugs and the like.
  • a generic pressing tongs for manually operated pressing of sockets, pipes, cable lugs and similar workpieces is from the patent DE 199 63 097 C1 the applicant known.
  • this pressing tongs two hand levers are manually operated.
  • the movement of the hand lever and applied to the hand lever hand forces are transmitted under suitable translation via a transmission mechanism on the dies, between which the workpiece can be pressed.
  • DE 1 275 490 A discloses a forceps-like hand tool with two hand levers, with the pivoting of a cam can be rotated.
  • the cam operates a toggle mechanism, which in turn actuates jaws of the pliers-like hand tool. about a pawl, the movement of the cam at the end of individual partial strokes of a Mehrfachhubes be locked.
  • the pressing tongs can not be operated exclusively on the hand lever. Rather, the pressing tongs has a closing mechanism which can be actuated independently of the hand levers for the workpiece inserted into the pressing jaws. By actuating the closing mechanism, the pressing jaws are movable from an open position into a partially closed starting position. In this case, the starting position can still ensure a clearance between the workpiece and the pressing jaws or a die arranged in the pressing jaws. In particular, however, a game between the workpiece and the die and die in the open position is overcome over the locking mechanism, so that in the starting position, the pressing jaws to rest against the workpiece come. Thus, a partial stroke is accomplished by the locking mechanism in which no pressing forces act. It is also conceivable that a first pressing of the workpiece already takes place via the said closing mechanism.
  • the starting position of the pressing jaws represents a stable operating state of the pressing tongs with a workpiece arranged therein, since in the starting position the pressing jaws are secured against a return to the open position according to the invention.
  • pressing tongs and workpiece can already enter a play-afflicted or backlash-free connection, so that under certain circumstances, even for a release of the hands of the pressing tongs or the tool a firm or loose connection between pressing tongs and workpiece is given.
  • a further partial stroke of the pressing jaws can be brought to one another via a movement of the hand lever.
  • a partial stroke of the pressing jaws can be brought about via the closing mechanism, while another partial stroke or optionally also the same partial stroke can be brought about via the hand lever.
  • the translation of the transmission mechanism between the hand levers and the pressing jaws is provided with a translation of the manual actuating forces which is greater than the translation of a force applied by the user's hands to the closing mechanism to the pressing jaws.
  • This can be done quickly overcoming the first partial stroke, if this example. Is designed as an idle stroke or no great resistance to a pressing is caused, while in the actual idle stroke a good pressing action is generated.
  • the invention proposes that different starting positions can be brought about via the closing mechanism, for example for workpieces with different dimensions. These starting positions can be predetermined in steps, so that the partial stroke between the open position and the starting position can be changed stepwise depending on the workpiece arranged in the pressing tongs.
  • the producible starting position is infinitely adaptable, for example by over the Closing a closing movement is brought about until the dies or a die disposed therein abuts the lateral surface of the workpiece or applied pressing forces are below a defined level of force.
  • ratchet mechanism in the locking mechanism in which, for example, several locking points over the partial stroke of the open position are overcome to the starting position, the opening of the pressing jaws from a position once reached.
  • the starting position is reached when the pressing jaws rest in the closing direction on the lateral surface of the workpiece, while in the opening direction, a fuse via the ratchet mechanism.
  • any transfer mechanism is used, as this is known in many ways from the prior art to pressing tongs. It is also irrelevant for the pressing tongs according to the invention whether the pressing jaws execute a pivoting movement about a common axis in the course of the closing movement or the pressing jaws, for example, execute a translatory relative movement.
  • a particular proposal of the invention is dedicated to an advantageous transmission mechanism. This is designed with two toggle levers, which are pivotally connected to each other in the region of a toggle joint. In this case, the end regions of the toggle levers, which face away from said toggle lever joint, are each connected in an articulated manner to an associated pressing jaw.
  • the pressing jaws are pivoted in accordance with the movement of the toggle lever in the course of a closing movement.
  • An actuation of the pressing tongs ie bringing about a closing movement of the pressing jaws, takes place in that a cam disc, which can also be designed as a type of cam, is provided.
  • the toggle lever joint is displaced with a movement of the cam disk, whereby a closing movement of the pressing jaws accompanied.
  • the invention utilizes the power transmission via a cam, wherein depending on the contour of the cam, a further amplification of the actuating force can be made by a force applied to the cam force / torque to the cheek plates. According to the invention, therefore, a "double translation" due to the translation of the cam to the toggle joint on the one hand and from the toggle joint to the pressing jaws on the other hand used. It should be noted that - according to the embodiment shown in the figure description - a hinged to a toggle cheek with an operation of the knee lever can be pivoted to bring about the closing movement.
  • the hinged to a toggle press jaw can also perform a translational movement to bring about a translational closing movement, as for example for the DE 44 14 967 A1 known transmission mechanism is known.
  • a transmission mechanism based on such a translational movement of at least one pressing jaw is also to be encompassed by the present invention.
  • the cam disk is coupled to the ratchet mechanism, so that the different locking positions of the ratchet mechanism are assumed with a translatory or rotary movement of the cam disk.
  • the cam is non-rotatably connected to an actuating element which is arranged on the outside of the pliers or the pliers head.
  • an actuating element which is arranged on the outside of the pliers or the pliers head.
  • An adjusting element may in particular be an adjusting wheel, whose rotation is accompanied by a movement of the cam plate directly or with the interposition of a geared connection for further translation.
  • An increase of forces applied manually to the actuating element can be achieved, for example, by designing the diameter of a control element designed as a setting wheel.
  • the actuator can be designed as a kind of lever, slide or the like.
  • the mentioned opening position of the pressing tongs is the position for which the pressing jaws are open the furthest.
  • the pressing jaws are, starting from the stable open position, to be opened further into an insertion position.
  • a workpiece can be introduced into the die halves of the pressing jaws.
  • the pressing jaws are brought by manual relative movement of the pressing jaws in the said insertion position. This will be explained with reference to an example: If the workpiece is a hollow-cylindrical element such as a pipe end or a fitting, adjacent boundaries of the press jaws in the insertion position can be opened so far that the workpiece is formed in a "mouth" formed by the boundaries.
  • the pliers can also move in the opposite direction away from the workpiece, so that manually a relative position between pressing tongs and workpiece must be maintained, for which the workpiece is arranged in the region of the pressing jaws and the die halves.
  • the "mouth" formed by the boundaries of the die halves can be closed so far that the workpiece can no longer pass through the mouth transversely to the longitudinal axis of the workpiece. This means that in extreme cases, the pressing tongs could be released by the user at short notice, without the pressing tongs completely detaching from the workpiece.
  • the application range of the pressing tongs can be increased by a further open insertion position, that workpieces can be used with larger dimensions than for a pressing tongs, which has only the open position.
  • the pressing jaws are acted upon in the insertion position by a spring element in the direction of the open position, so that the pressing jaws automatically return to the open position without the manual application of the pressing jaws to the insertion position.
  • the movement of the pressing jaws between the insertion position and the open position may be accompanied by a relative movement of the hand lever.
  • this relative movement of the hand lever is undesirable, a kind of play in the transmission mechanism between the hand levers and the pressing jaws is provided, which can be used for the movement between the insertion and the open position, or a corresponding degree of freedom must be present or created.
  • the toggle joint is moved relative to the cam.
  • the contour of the cam is oriented approximately in the direction of the axis of movement of the toggle joint in the area between the insertion and the open position, so that in the area the cam no stop or no exact limit for the toggle joint exists, but rather the toggle joint along the contour of Cam can slide (or can move away from it).
  • the pressing tongs has a stop, which prevents an automatic closing movement of the pressing jaws, starting from the open position.
  • an overcoming of the stop for manually bringing about a closing movement starting from the open position can take place in a variety of ways.
  • the stop can be moved, folded away or eliminated.
  • the stopper can be "bypassed" by bringing a counter-element, which comes into contact with the stop in the open position, out of engagement with the stopper with a first actuation of the hand lever.
  • a spring element which acts on the pressing jaws in the direction of the workpiece.
  • the spring element can be articulated directly on at least one of the pressing jaws or act indirectly on the pressing jaws by the spring element acts on the power transmission mechanism. If an open position is secured by way of the previously explained stop or a corresponding latching device, the aforesaid spring can not be effective in the open position itself. However, if the stop or the locking device overcome, an "automatic gripping" of the workpiece can be done with the pressing jaws, so that the pressing tongs already occupies a predetermined position relative to the workpiece and then a one-handed operation is possible without another hand, the workpiece must hold.
  • pressing tongs of the type mentioned here usually have a total length of 60 to 90 mm, which may also be the case for the pressing tongs according to the invention, according to a variant of the pressing tongs according to the invention, this is shorter than 400 mm, in particular smaller than 350 mm or 300 mm.
  • a short pressing tongs is a Pressing of workpieces even in confined space conditions, for example, within air conditioners for the creation of pipe connections or crimping from Fittingen possible.
  • crimping pliers possibly even with a pressing pliers, which is smaller than 400 mm, especially smaller than 350 mm or 300 mm, pressing forces manually generated, which are greater than 20,000 N, for example, are greater than 25,000 N, 30,000 N, 40,000 N or 50,000 N or 60,000 N.
  • a Zwangsgesperre is provided in this.
  • a locking device is understood, which allows a closing movement at least in a partial stroke of the pressing pliers, but once a pressing stage ensures such that position of the pressing jaws is also secured for elimination of the force applied by the user on the hand lever hand forces.
  • a Zwangsgesperre ensures that the pressing tongs is not opened without a defined compression, so a defined end position of the pressing tongs is reached. Opening the pressing tongs before reaching the end position is possibly possible by pressing an emergency release. Examples of such Zwangsgesperre can the publications DE 101 40 270 B4 , DE 40 39 435 C1 .
  • a stop mechanism is understood here to mean a device by means of which the relative position between the hand levers can be changed without affecting the transmission mechanism and changing the position of the pressing jaws.
  • a stroke of the pressing jaws can be divided into individual part strokes, for which the hand lever perform the same relative movement.
  • An example of such a Gesatzgesperres is DE 103 46 241 B3 to be taken from the applicant.
  • a pressing of the workpiece in the pressing tongs according to the invention takes place in more than 10, for example more than 15, in particular more than 20 pressing stages.
  • a pressing tongs 1 according to the invention with two hand levers 2, 3 is formed.
  • the hand lever 2 is rigidly connected to a support plate 4, against which further components of the pressing tongs 1 are firmly or rotatably supported.
  • an actuating unit 5 is mounted, in which in the order mentioned a pinion 6, a cam 7 and a pinion 8 are stacked and rigidly connected to a pivot pin 9, which is vertical to the plane according to Fig. 1 is oriented.
  • the pivot pin 9 is rotatably supported about its longitudinal axis relative to the support plate 4, for example, in a through hole of the support plate 4 and in a through hole in a arranged on the opposite side corresponding support plate 10 which in Fig. 1 not shown.
  • Fig. 2 It can be seen that the pivot pin 9 protrudes on both outer sides of the support plates 4, 10. On one side of the support bolt is secured by a nut 11, while the pivot pin 9 is rigidly connected on the opposite side with an actuating element 12, here a thumbwheel. Between mother 11 and support plate 4 and / or actuator 12 and support plate 10 may be a nylon disc 13 is braced, which can be influenced by the friction caused thereby and the contact force, as easily with the actuator 12, pivot pin 9, pinions 6, 8th , Cam 7 and nut 11 formed actuator unit 5 can be rotated, for example, by manually rotating the actuator 12, and / or whether the actuator unit 5 can move back automatically from a once occupied position.
  • the hand lever 3 is also rigidly connected to a support plate 14 and has a through hole in the region of which the hand lever 3 with support plate 14 pivotally mounted relative to the pivot pin 9 and thus relative to the support plate 4 and the hand lever 2.
  • Both the support plate 4 and the support plate 14 each have a rigidly received in a bore pin 15, 16, on which the bases of a tension spring 17 are supported.
  • the pins 15, 16 are arranged such that the bias of the tension spring 17 has the consequence that the tension spring spreads the hand lever 2, 3 without applied by the user's hand forces while the hand lever with applied by the user forces under the action of the tension spring 17 can be pivoted towards each other.
  • pivotable locking lever 18 In the transition region from the support plate 14 to the hand lever 3 carries the support plate 14 a vertically to the plane according to Fig. 4 pivotable locking lever 18.
  • the locking lever 18 extends to the periphery of the associated pinion 8 and is pressed in the direction of the circumference of the pinion 8 via a Torsionsfederelement not shown in the figures. In the in Fig. 4 shown position, the locking lever 18 is oriented approximately tangentially to the pinion 8.
  • the locking lever 18 is rigidly connected to a pivot pin 19 which is rotatably mounted relative to the support plate 14.
  • the pivot pin 19 has externally of the support plate 10 has an active surface 20, via which the pivot pin 19 with the locking lever 18 in Fig.
  • the locking lever 18 clockwise against the spring loading of the torsion spring is rotatable, so that the locking lever 18 can be pivoted away from the pinion 8 manually.
  • the active surface 20 is formed as a slot for a screwdriver. Without affecting the active surface 20 by the user, the locking lever 18 returns to the in Fig. 4 shown position back, in which the locking lever rests against the circumference of the pinion 8.
  • a pivot pin 22 is mounted in suitable aligned bores, with which two pressing jaws 23, 24 are rotatable about a predetermined axis by the pivot pin 22, which is vertical to the plane according to Fig. 4 is oriented.
  • the pressing jaws 23, 24 are to be roughly designated in plan view as a T-shaped, wherein formed with the pivot pin 22 pivot bearing 25 is disposed in the transverse leg end portion of the longitudinal leg of the T, wherein the end portions of the pressing jaws 23, 24 in the Swivel bearing 25 overlap.
  • the outer end region of the transverse leg of the T of the pressing jaws 23, 24 each has an approximately semicircular receptacle 26, 27 for a die half to specify the contour of the workpiece to be pressed.
  • Die halves can each be received and locked in the receptacles 26, 27 and be unlocked or ejected in a conventional manner by actuation of two actuators 28, 29.
  • outer boundaries 30, 31 is a kind of "mouth" 32 is formed, whose opening width with a Closing movement of the pressing jaws 23, 24 is variable and through which the workpiece in the receptacles 26, 27 and the die can be inserted or inserted.
  • a tension spring 38 is supported with a spring base with respect to the support plate 4, 10, while the other foot of the tension spring 38 is supported on a toggle lever 35, 36 or the toggle lever joint 37.
  • the tension spring 38 is biased and oriented such that the tension spring acts on the toggle levers 35, 36 in the direction of its extended position, which means that the pressure jaws 23, 24 are acted upon in the direction of their closed position by the tension spring 38.
  • a roller 39 is mounted, which extends in the plane of the cam 7.
  • the toggle lever joint 37 can be displaced, namely with an increase in the distance of the contour 40 of the pivot pin 9, a displacement of the toggle joint 37 on the Swivel pin 22 for the pressing jaws 23, 24 to be effected.
  • the contour 40 of the cam disk 7 has a spiral-shaped pressing region 41, in which the distance of the contact region between the contour 40 and the roller 39 increases continuously with increasing rotation of the actuating unit 5.
  • the cam 7 on the toggle lever joint 37 is omitted via the roller 39 exerted closing force.
  • the force of the tension spring 38 continues to act in the closing direction.
  • the pressing jaws 23, 24 can be opened.
  • a pin 45 which is vertical to the plane according to Fig. 1 is oriented and rigidly received in a bore of an extension of the toggle lever 35, in the direction of a stop formed by an end face of the support plate 14 of the hand lever 3, which prevents closing of the pressing jaws due to the tension spring 38 in the open position.
  • Pin 45 and stop 46 can be brought out of engagement for a renewed closing movement out of the open position by the hand lever 3 is pivoted in the direction of the hand lever 2.
  • the tension spring 38 causes, if the stopper 46 is overcome, that the pressing jaws 23, 24 close until they create themselves and under a predetermined by the tension spring 38 contact pressure to the lateral surface of a workpiece.
  • the roller 39 is removed from the contour 40 of the cam 7, since the contact force in this case are not generated by contact forces of the contour 40 with the roller 39, but by the tension spring 38th
  • the pressing jaws 23, 24 can be opened manually by manually pulling apart the pressing jaws 23, 24, wherein the pin 45 is moved away from the stop 46 along a front guide surface 53rd During this movement from the open position into the insertion position, the free area 43 does not hinder movement of the toggle joint 37 away from the pivot pin 22.
  • the pressing tongs 1 are used as follows:
  • the pressing jaws 23, 24 are first manually placed in the still open insertion position, so that the workpiece can be inserted into the mouth 32. With a release of the pressing jaws 23, 24, the tension spring 38 closes the pressing jaws 23, 24 again in the open position according to Fig. 1 which is secured by pin 45 and stop.
  • the workpiece without transfer of the pressing tongs in the insertion position in the open position according to Fig. 1 in the receptacles 26, 27 and the press die halves is introduced.
  • the pin 45 can be guided past the stop 46.
  • the pressing jaws 23, 24 are manually pulled apart until the pin 45 is locked behind the stop 46, whereby the secured open position is reached. In the event that an opening of the pressing jaws 23, 24 beyond the open position is also required to remove the workpiece, a further pivoting of the pressing jaws 23, 24 apart from each other to the insertion position.
  • a transmission mechanism 47 between the hand levers 2, 3 and the pressing jaws 23, 24 with the locking lever 18, the actuator unit 5 with pinion 8, cam 7, the toggle lever joint 37 and the toggle levers 35, 36 are formed.
  • the transmission mechanism 47 serves to transmit forces and moments between hand levers 2, 3 and pressing jaws 23, 24, their translation and the influence of the closing kinematics.
  • a pinion 8 a locking lever 18 and a tension spring 17 is disposed on both sides of the cam 7, whereby the forces acting on the locking teeth 21, the locking lever 18 and the tension spring 17 can be halved.
  • a symmetrical power transmission in the transmission mechanism 47 can thereby be brought about.
  • a locking mechanism 48 is formed.

Claims (14)

  1. Pince de serrage (1) pour la compression actionnée à la main d'une pièce comprenant
    a) deux leviers à main (2, 3) actionnables manuellement,
    b) deux mâchoires de serrage (23, 24) entre lesquelles la pièce est serrée,
    c) un mécanisme de transmission (47), qui couple un déplacement des leviers à main (2, 3) avec un déplacement des mâchoires de serrage (23, 24),
    d) un mécanisme de fermeture (48) étant prévu, lequel peut être actionné pour la pièce insérée dans les mâchoires de serrage (23, 24) indépendamment des leviers à main (2, 3),
    e) les mâchoires de serrage (23, 24) pouvant être déplacées, avec un actionnement du mécanisme de fermeture (48), d'une position d'ouverture par une course partielle (49) dans une position de départ (51) davantage fermée,
    f) les mâchoires de serrage (23, 24) étant bloquées dans la position de départ (51) par rapport à un guidage retour dans la position d'ouverture,
    g) une autre course partielle (50) pouvant être provoquée à partir de la position de départ (51) au moyen d'un déplacement des leviers à main (2, 3), caractérisée en ce que
    h) le mécanisme de fermeture (48) est conçu avec un mécanisme à cliquet (52), par lequel différentes positions de départ (51, 51') peuvent être obtenues, et en ce que les mâchoires de serrage (23, 24) sont déplacées les unes vers les autres dans l'autre course partielle (50).
  2. Pince de serrage (1) selon la revendication 1, caractérisée en ce que
    a) le mécanisme de transmission (47) est conçu avec des leviers coudés (35, 36) reliés de façon basculante les uns avec les autres dans la zone d'une articulation de levier coudé (37), au moins un levier coudé (35 ; 36) étant relié de façon articulée avec une mâchoire de serrage (23, 24) dans la zone d'extrémité opposée à l'articulation de levier coudé (37),
    b) une articulation de levier coudé (37) pouvant être déplacée au moyen d'une came (7), de sorte qu'un mouvement de fermeture des mâchoires de serrage (23, 24) peut être provoqué.
  3. Pince de serrage (1) selon la revendication 2, caractérisée en ce que la came (7) est couplée avec le mécanisme à cliquet (52).
  4. Pince de serrage (1) selon la revendication 2 ou 3, caractérisée en ce que la came (7) est reliée de façon solidaire en rotation à un élément de réglage (12) disposé sur le côté extérieur de la pince de serrage (1).
  5. Pince de serrage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que les mâchoires de serrage (23, 24) peuvent être amenées par un déplacement relatif manuel des mâchoires de serrage (23, 24) à partir d'une position d'ouverture stable dans une position d'introduction, dans laquelle les mâchoires de serrage (23, 24) sont davantage ouvertes que dans la position d'ouverture.
  6. Pince de serrage (1) selon la revendication 5, caractérisée en ce que les mâchoires de serrage (23, 24) sont sollicitées dans la position d'introduction au moyen d'un élément à ressort (38) en direction de la position d'ouverture.
  7. Pince de serrage (1) selon la revendication 5 ou 6 par rapport à la revendication 2 ou 3, caractérisée en ce que l'articulation de levier coudé (37) par rapport à la came (7) peut être déplacée pendant un déplacement des mâchoires de serrage (23, 24) entre la position d'introduction et la position d'ouverture.
  8. Pince de serrage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une butée (46) ou un dispositif d'encliquetage est prévu, laquelle ou lequel empêche dans la position d'ouverture un mouvement de fermeture automatique des mâchoires de serrage (23, 24).
  9. Pince de serrage (1) selon la revendication 8, caractérisée en ce que la butée (46) ou le dispositif d'encliquetage peut être surmonté par l'actionnement des leviers à main (2, 3).
  10. Pince de serrage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que l'élément à ressort (38) et/ou un élément à ressort presse les mâchoires de serrage (23, 24) sur la surface d'enveloppe de la pièce, de préférence une fois que la butée (46) selon la revendication 9 ou le dispositif d'encliquetage est surmonté(e).
  11. Pince de serrage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que la pince de serrage (1) présente une longueur totale qui est inférieure à 400 mm, en particulier inférieure à 350 mm.
  12. Pince de serrage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce que des forces de serrage, qui sont supérieures à 20 000 N, par exemple supérieures à 30 000 N, sont appliquées manuellement au moyen de la pince de serrage (1).
  13. Pince de serrage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'un encliquetage forcé et/ou un encliquetage de butée est/sont prévu(s).
  14. Pince de serrage (1) selon l'une quelconque des revendications précédentes, caractérisée en ce qu'une compression s'effectue en plus de 10, par exemple en plus de 15, en particulier en plus de 20 niveaux de pressage.
EP09150149A 2008-01-22 2009-01-07 Pince à sertir Active EP2082837B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
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SI200930050T SI2082837T1 (sl) 2008-01-22 2009-01-07 Prijemalne kleĺ äśe

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DE102008005472A DE102008005472B3 (de) 2008-01-22 2008-01-22 Presszange

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JP (1) JP5396674B2 (fr)
AT (1) ATE508841T1 (fr)
DE (2) DE102008005472B3 (fr)
ES (1) ES2364899T3 (fr)
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SI (1) SI2082837T1 (fr)

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Publication number Publication date
ATE508841T1 (de) 2011-05-15
DE102008005472B3 (de) 2009-02-26
SI2082837T1 (sl) 2011-09-30
US20090183547A1 (en) 2009-07-23
DE202008005083U1 (de) 2008-06-26
EP2082837A1 (fr) 2009-07-29
US8245560B2 (en) 2012-08-21
PL2082837T3 (pl) 2011-10-31
JP2009172758A (ja) 2009-08-06
ES2364899T3 (es) 2011-09-16
JP5396674B2 (ja) 2014-01-22

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