EP1238758A1 - Assisting device for mounting a fastening clip - Google Patents

Assisting device for mounting a fastening clip Download PDF

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Publication number
EP1238758A1
EP1238758A1 EP02290581A EP02290581A EP1238758A1 EP 1238758 A1 EP1238758 A1 EP 1238758A1 EP 02290581 A EP02290581 A EP 02290581A EP 02290581 A EP02290581 A EP 02290581A EP 1238758 A1 EP1238758 A1 EP 1238758A1
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EP
European Patent Office
Prior art keywords
clip
arms
guide
mounting
pusher
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP02290581A
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German (de)
French (fr)
Other versions
EP1238758B1 (en
Inventor
Roger Poussade
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.)
Renault SAS
Original Assignee
Renault SAS
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Filing date
Publication date
Application filed by Renault SAS filed Critical Renault SAS
Publication of EP1238758A1 publication Critical patent/EP1238758A1/en
Application granted granted Critical
Publication of EP1238758B1 publication Critical patent/EP1238758B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B31/00—Hand tools for applying fasteners

Definitions

  • a device for mounting fastening clips and more particularly a staple mounting device which has two arms which act radially on a fixed axis in order to maintain in position heat shields or any other type of element.
  • staples of the type which include two arms which act radially on a fixed axis are put in place manually.
  • the assembly is carried out by the operator by exerting a pressure on the arms of the staple to allow the sliding of said clip on the fixing axis.
  • Some pressure is recommended for fitting staples.
  • the pressurization is therefore more difficult and less precise manually, which can cause disparity in the quality of the assembly.
  • manual placement staples repeatedly can cause discomfort and physical inconvenience for the operator, particularly in terms of fingers. The physical inconvenience caused produces disparities in the fastening quality of the clip.
  • the invention relates to a device light, handy and precise allowing a staple to be put in place automatic and in hard to reach places while ensuring homogeneity in the quality of fixing.
  • the pusher comprises at least two separate pressure zones which cooperate respectively with the staple arm.
  • the pusher is mounted in translation in a guide by limiting relative rotational movements between said guide and pusher.
  • the pusher comprises a central hole with a diameter greater than the diameter of the mounting axis.
  • the junction of the arms with the base of the clip are mounted in translation in grooves made in direction x in the guide.
  • the present invention relates essentially to the tip of an aid tool when mounting staples, the following description does not describe the standard part and known per se of the tool which comprises the force transmission elements by pneumatic means or other equivalent means.
  • the tool includes a rod 1 connecting a pneumatic system, for example, known per se and a pusher 7, in order to transmit a pushing force to a clip 4.
  • a pneumatic system for example, known per se
  • a pusher 7 in order to transmit a pushing force to a clip 4.
  • Clip 4 as described in Figures 3 and 4, is used to fix walls flexible type heat shields for example and has two arms 8 and 9 and a central hole 10. To be put in place, it is inserted on an axis 5 in a direction x.
  • the clip 4 is of substantially conical shape.
  • the arms 8 and 9 are attached to the base 17 of the cone diametrically opposite and extend above the top 18.
  • the arms 8 and 9 of the clip 4 are attached in such a way that they protrude from the base 17 of the cone and that the base of the clip 4 is substantially in a rectangle.
  • the pusher 7 is mounted in translation along the axis x in a fixed guide 2 which forms the tip of the tool.
  • the clip 4 is positioned so that the arms 8 and 9 of the latter are in contact with an external part of the pusher 7.
  • pusher 7, in the form rectangular has two separate pressure zones 11 and 12, located in opposite corners of the external part of said pusher 7, intended to cooperate respectively with the ends of the arms 8 and 9 of the clip 4.
  • the pusher 7 also includes a sufficient recess in the central position so as not to interfere with the axis 5 intended to receive the clip 4 during its mounting.
  • the guide 2 and the pusher 7 are of rectangular section so that the zones always have the same orientation with respect to the body of the tool.
  • grooves 15 and 16 can also be added on the guide 2 in order to limit the rotation of the clip 4 in the end piece and can also serve to hold the staple so that it does not fall during the operation.
  • the operator places clip 4 in the tip of the tool by making the free ends 13 and 14 of the arms cooperate 8 and 9 respectively with the support zones 11 and 12, as shown in Figure 1, and applies the tip of the tool against a wall 6.
  • it operates a translational movement at pusher 7 by means of the pneumatic control which acts on the rod and which applies the clip 4 against the wall 6.
  • the arms 8 and 9 fold back and move away from each other allowing sliding of the clip 4 on axis 5.
  • arms 8 and 9 clip 4 are raised and tightened on axis 5 so that the clip 4 is securely locked and keeps the wall 6 in place.

Abstract

The tool, designed to fit a spring fastening clip onto a pin (5) e.g. to hold a heat screen or other component in place, consists of a guide (2) to receive the clip (4), and an inner pusher (7) on the end of a rod (1). The pusher has two separate pressure zones (11, 12) that interact with the two arms of the clip, forcing the central hole in the base of the clip over the pin and allowing the arms to grip the pin when released.

Description

L'invention concerne un dispositif de montage d'agrafes de fixation et plus particulièrement un dispositif de montage d'agrafes qui comportent deux bras qui agissent radialement sur un axe fixe afin de maintenir en position des écrans thermiques ou tout autre type d'élément.A device for mounting fastening clips and more particularly a staple mounting device which has two arms which act radially on a fixed axis in order to maintain in position heat shields or any other type of element.

En général, sur les chaínes de montage, les agrafes du type qui comportent deux bras qui agissent radialement sur un axe fixe sont mises en place manuellement. Le montage est effectué par l'opérateur en exerçant une pression sur les bras de l'agrafe afin de permettre le coulissement de ladite agrafe sur l'axe de fixation. Or une certaine pression est recommandée pour la mise en place des agrafes. La mise en pression est donc plus difficile et moins précise manuellement, ce qui peut provoquer une disparité dans la qualité du montage. De plus, la mise en place manuelle d'agrafes de façon répétitive peut occasionner des gênes et des désagréments physiques pour l'opérateur, en particulier au niveau des doigts. Les désagréments physiques engendrés produisent des disparités dans la qualité de fixation de l'agrafe.In general, on assembly lines, staples of the type which include two arms which act radially on a fixed axis are put in place manually. The assembly is carried out by the operator by exerting a pressure on the arms of the staple to allow the sliding of said clip on the fixing axis. Some pressure is recommended for fitting staples. The pressurization is therefore more difficult and less precise manually, which can cause disparity in the quality of the assembly. In addition, manual placement staples repeatedly can cause discomfort and physical inconvenience for the operator, particularly in terms of fingers. The physical inconvenience caused produces disparities in the fastening quality of the clip.

La publication US-A-5125296 décrit un dispositif de montage de colliers de serrage réalisé sous la forme d'un pistolet pneumatique comportant des mâchoires actionnées à l'aide d'une gâchette. L'ouverture des mâchoires nécessite une place importante autour de la zone de fixation. Ce dispositif étant trop encombrant, il ne permet pas d'accéder aux endroits étroits.The publication US-A-5125296 describes a device for mounting collars clamping device in the form of a pneumatic gun comprising jaws operated with a trigger. Opening the jaws requires a large space around the fixing area. These measures being too bulky, it does not allow access to narrow places.

Par ailleurs on connaít également un dispositif de montage d'agrafes décrit dans la publication WO-A-9926545 qui représente un pistolet comportant une cartouche contenant plusieurs agrafes. Cette cartouche rend l'outil plus lourd et moins maniable. De plus, avec une mécanique plus complexe, l'outil est plus onéreux et risque d'avoir des défaillances plus nombreuses. Furthermore there is also known a staple mounting device described in publication WO-A-9926545 which represents a pistol comprising a cartridge containing several staples. This cartridge makes the tool more heavy and less manageable. In addition, with more complex mechanics, the tool is more expensive and risks having more failures.

Afin de pallier ces inconvénients, l'invention a pour objet un dispositif léger, maniable et précis permettant de mettre en place une agrafe de façon automatique et dans les endroits difficiles d'accès tout en assurant une homogénéité dans la qualité de fixation.In order to overcome these drawbacks, the invention relates to a device light, handy and precise allowing a staple to be put in place automatic and in hard to reach places while ensuring homogeneity in the quality of fixing.

Selon une caractéristique de l'invention, le poussoir comporte au moins deux zones de pression distinctes qui coopèrent respectivement avec les bras de l'agrafe.According to a characteristic of the invention, the pusher comprises at least two separate pressure zones which cooperate respectively with the staple arm.

Selon une autre caractéristique de l'invention, le poussoir est monté en translation dans un guide en limitant les mouvements de rotation relatifs entre lesdits guide et poussoir.According to another characteristic of the invention, the pusher is mounted in translation in a guide by limiting relative rotational movements between said guide and pusher.

Selon une autre caractéristique de l'invention, le poussoir comporte un orifice central d'un diamètre supérieur au diamètre de l'axe de montage.According to another characteristic of the invention, the pusher comprises a central hole with a diameter greater than the diameter of the mounting axis.

Selon une autre caractéristique de l'invention, la jonction des bras avec la base de l'agrafe sont montées à translation dans des rainures réalisées selon la direction x dans le guide.According to another characteristic of the invention, the junction of the arms with the base of the clip are mounted in translation in grooves made in direction x in the guide.

D'autres caractéristiques et avantages de l'invention apparaítront à la lecture de la description d'exemples de réalisation d'un dispositif d'aide au montage d'une agrafe de fixation au dessin annexé dans lequel :

  • La figure 1 représente une vue schématique en coupe de l'embout de l'outil selon l'invention.
  • La figure 2 représente une vue schématique en coupe de l'embout de l'outil selon l'invention après déplacement du poussoir.
  • La figure 3 représente une vue schématique du type d'agrafe utilisé.
  • La figure 4 représente une vue schématique de dessous de l'embout de l'outil selon l'invention comportant une agrafe .
Other characteristics and advantages of the invention will appear on reading the description of exemplary embodiments of a device for assisting in the mounting of a fastening clip in the appended drawing in which:
  • Figure 1 shows a schematic sectional view of the tip of the tool according to the invention.
  • 2 shows a schematic sectional view of the tip of the tool according to the invention after movement of the pusher.
  • FIG. 3 represents a schematic view of the type of clip used.
  • FIG. 4 represents a diagrammatic view from below of the tip of the tool according to the invention comprising a clip.

La présente invention portant essentiellement sur l'embout d'un outil d'aide au montage d'agrafes, la description qui suit ne décrit pas la partie standard et connue en soi de l'outil qui comporte les éléments de transmission d'effort par l'intermédiaire de moyens pneumatiques ou d'autres moyens équivalents.The present invention relates essentially to the tip of an aid tool when mounting staples, the following description does not describe the standard part and known per se of the tool which comprises the force transmission elements by pneumatic means or other equivalent means.

Tel que représenté sur la figure 1, l'outil comporte une tige 1 de liaison entre un système pneumatique, par exemple, connu en soi et un poussoir 7, afin de transmettre un effort de poussée à une agrafe 4.As shown in Figure 1, the tool includes a rod 1 connecting a pneumatic system, for example, known per se and a pusher 7, in order to transmit a pushing force to a clip 4.

L'agrafe 4, telle que décrite sur les figures 3 et 4, sert à fixer des parois souples du type écrans thermiques par exemple et comporte deux bras 8 et 9 et un trou central 10. Pour être mise en place, elle est insérée sur un axe 5 selon une direction x. L'agrafe 4 est de forme sensiblement conique. Les bras 8 et 9 sont rattachés à la base 17 du cône de façon diamétralement opposée et s'étendent au dessus du sommet 18. Les bras 8 et 9 de l'agrafe 4 sont rattachés de telle façon qu'ils dépassent de la base 17 du cône et que la base de l'agrafe 4 s'inscrit sensiblement dans un rectangle.Clip 4, as described in Figures 3 and 4, is used to fix walls flexible type heat shields for example and has two arms 8 and 9 and a central hole 10. To be put in place, it is inserted on an axis 5 in a direction x. The clip 4 is of substantially conical shape. The arms 8 and 9 are attached to the base 17 of the cone diametrically opposite and extend above the top 18. The arms 8 and 9 of the clip 4 are attached in such a way that they protrude from the base 17 of the cone and that the base of the clip 4 is substantially in a rectangle.

Le poussoir 7 est monté en translation suivant l'axe x dans un guide fixe 2 qui forme l'embout de l'outil. L'agrafe 4 est positionnée de façon à ce que les bras 8 et 9 de cette dernière soient en contact avec une partie externe du poussoir 7. Tel que représenté sur la figure 4, le poussoir 7, de forme rectangulaire, comporte deux zones de pression distinctes 11 et 12, situées dans des coins opposés de la partie externe dudit poussoir 7, destinées à coopérer respectivement avec les extrémités des bras 8 et 9 de l'agrafe 4. Le poussoir 7 comprend également un évidement suffisant en position centrale de façon à ne pas interférer avec l'axe 5 destiné à recevoir l'agrafe 4 lors de son montage.The pusher 7 is mounted in translation along the axis x in a fixed guide 2 which forms the tip of the tool. The clip 4 is positioned so that the arms 8 and 9 of the latter are in contact with an external part of the pusher 7. As shown in FIG. 4, pusher 7, in the form rectangular, has two separate pressure zones 11 and 12, located in opposite corners of the external part of said pusher 7, intended to cooperate respectively with the ends of the arms 8 and 9 of the clip 4. The pusher 7 also includes a sufficient recess in the central position so as not to interfere with the axis 5 intended to receive the clip 4 during its mounting.

Le guide 2 et le poussoir 7 sont de section rectangulaire afin que les zones de pression aient toujours la même orientation par rapport au corps de l'outil.The guide 2 and the pusher 7 are of rectangular section so that the zones always have the same orientation with respect to the body of the tool.

Avantageusement, des rainures 15 et 16 peuvent aussi être ajoutées sur le guide 2 afin de limiter la rotation de l'agrafe 4 dans l'embout et peuvent également servir de maintien de l'agrafe afin que cette dernière ne tombe pas au cours de l'opération.Advantageously, grooves 15 and 16 can also be added on the guide 2 in order to limit the rotation of the clip 4 in the end piece and can also serve to hold the staple so that it does not fall during the operation.

Afin de positionner l'agrafe 4 sur l'axe 5, l'opérateur place l'agrafe 4 dans l'embout de l'outil en faisant coopérer les extrémités libres 13 et 14 des bras 8 et 9 respectivement avec les zones d'appui 11 et 12, tel que représenté sur la figure 1, et applique l'embout de l'outil contre une paroi 6. Tel que représenté sur la figure 2, il fait opérer un mouvement de translation au poussoir 7 par l'intermédiaire de la commande pneumatique qui agit sur la tige et qui applique l'agrafe 4 contre la paroi 6. Lorsqu'une pression est exercée sur l'agrafe 4 selon la direction x, les bras 8 et 9 se replient et s'écartent l'un de l'autre permettant ainsi un coulissement de l'agrafe 4 sur l'axe 5. Lorsque l'opérateur relâche l'effort fourni par l'outil, les bras 8 et 9 de l'agrafe 4 se relèvent et se resserrent sur l'axe 5 de façon à ce que l'agrafe 4 soit bien verrouillée et maintienne en place la paroi 6.In order to position clip 4 on axis 5, the operator places clip 4 in the tip of the tool by making the free ends 13 and 14 of the arms cooperate 8 and 9 respectively with the support zones 11 and 12, as shown in Figure 1, and applies the tip of the tool against a wall 6. As shown in Figure 2, it operates a translational movement at pusher 7 by means of the pneumatic control which acts on the rod and which applies the clip 4 against the wall 6. When pressure is exerted on the clip 4 in the direction x, the arms 8 and 9 fold back and move away from each other allowing sliding of the clip 4 on axis 5. When the operator releases the force provided by the tool, arms 8 and 9 clip 4 are raised and tightened on axis 5 so that the clip 4 is securely locked and keeps the wall 6 in place.

Claims (5)

Dispositif d'aide au montage, qui comporte au moins un moyen de production d'une force de poussée sur une agrafe de fixation (4), constituée d'au moins une base, au centre de laquelle est ménagé un orifice (10) destiné à recevoir un axe de montage (5), et à partir de laquelle s'étendent deux bras (8) et (9) dont les extrémités libres s'étendent sensiblement au-dessus dudit orifice (10), et au moins un moyen de transmission de ladite force de poussée vers une extrémité munie d'un embout, caractérisé en ce que l'agrafe (4) est placée à l'intérieur de l'embout et en ce que le moyen de transmission de ladite force de poussée (7) comporte au moins deux zones de pression distinctes (11) et (12) qui coopèrent uniquement avec les bras (8) et (9) de l'agrafe.Assembly assistance device, which comprises at least one means for producing a pushing force on a fixing clip (4), consisting of at least one base, in the center of which is an orifice (10) intended receiving a mounting pin (5), and from which extend two arms (8) and (9), the free ends of which extend substantially above said orifice (10), and at least one means of transmission of said pushing force towards an end provided with a tip, characterized in that the clip (4) is placed inside the tip and in that the means for transmitting said pushing force (7 ) comprises at least two separate pressure zones (11) and (12) which cooperate only with the arms (8) and (9) of the clip. Dispositif selon la revendication 1, caractérisé en ce que le moyen de transmission (7) est monté en translation dans un guide (2) en limitant les mouvements de rotation relatifs entre ledit guide (2) et ledit moyen de transmission (7).Device according to claim 1, characterized in that the transmission means (7) is mounted in translation in a guide (2) by limiting the relative rotational movements between said guide (2) and said transmission means (7). Dispositif selon la revendication précédente, caractérisé en ce que le guide (2) est un moyen de maintien de l'agrafe (4).Device according to the preceding claim, characterized in that the guide (2) is a means for holding the clip (4). Dispositif selon les revendications 2 ou 3, caractérisé en ce que les jonctions des bras (8) et (9) avec la base de l'agrafe (4) sont montées à translation dans des rainures réalisées selon la direction x dans le guide (2).Device according to claims 2 or 3, characterized in that the junctions of the arms (8) and (9) with the base of the clip (4) are mounted in translation in grooves made in the direction x in the guide (2 ). Dispositif selon l'une quelconque des revendications précédentes, caractérisé en ce que le moyen de transmission de la force de poussée (7) comporte un orifice central (10) d'un diamètre supérieur au diamètre de l'axe de montage (5).Device according to any one of the preceding claims, characterized in that the means for transmitting the pushing force (7) comprises a central orifice (10) with a diameter greater than the diameter of the mounting axis (5).
EP20020290581 2001-03-09 2002-03-08 Assisting device for mounting a fastening clip Expired - Fee Related EP1238758B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0103222A FR2821781B1 (en) 2001-03-09 2001-03-09 ASSISTANCE DEVICE FOR MOUNTING A FASTENING CLIP
FR0103222 2001-03-09

Publications (2)

Publication Number Publication Date
EP1238758A1 true EP1238758A1 (en) 2002-09-11
EP1238758B1 EP1238758B1 (en) 2008-12-31

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP20020290581 Expired - Fee Related EP1238758B1 (en) 2001-03-09 2002-03-08 Assisting device for mounting a fastening clip

Country Status (4)

Country Link
EP (1) EP1238758B1 (en)
DE (1) DE60230555D1 (en)
ES (1) ES2316532T3 (en)
FR (1) FR2821781B1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107571195A (en) * 2017-09-20 2018-01-12 重庆佳岳机械制造有限公司 A kind of steel ball type synchronizer frock

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB682578A (en) * 1950-07-18 1952-11-12 United Carr Fastener Corp Improvements in and relating to stud fastening devices
FR2382607A1 (en) * 1977-03-01 1978-09-29 Bar Solo Spring clip with inward pointing tabs - which fit in groove on spindle and apply claw to hold clip in mandril for assembly
GB2002845A (en) * 1977-08-20 1979-02-28 Raymond A Fastening a buffer strip to a carrier wall

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB682578A (en) * 1950-07-18 1952-11-12 United Carr Fastener Corp Improvements in and relating to stud fastening devices
FR2382607A1 (en) * 1977-03-01 1978-09-29 Bar Solo Spring clip with inward pointing tabs - which fit in groove on spindle and apply claw to hold clip in mandril for assembly
GB2002845A (en) * 1977-08-20 1979-02-28 Raymond A Fastening a buffer strip to a carrier wall

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107571195A (en) * 2017-09-20 2018-01-12 重庆佳岳机械制造有限公司 A kind of steel ball type synchronizer frock

Also Published As

Publication number Publication date
EP1238758B1 (en) 2008-12-31
DE60230555D1 (en) 2009-02-12
FR2821781B1 (en) 2003-06-06
ES2316532T3 (en) 2009-04-16
FR2821781A1 (en) 2002-09-13

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