FR2776951A1 - Hollow security pin extractor used in vehicle immobilizers - Google Patents
Hollow security pin extractor used in vehicle immobilizers Download PDFInfo
- Publication number
- FR2776951A1 FR2776951A1 FR9804274A FR9804274A FR2776951A1 FR 2776951 A1 FR2776951 A1 FR 2776951A1 FR 9804274 A FR9804274 A FR 9804274A FR 9804274 A FR9804274 A FR 9804274A FR 2776951 A1 FR2776951 A1 FR 2776951A1
- Authority
- FR
- France
- Prior art keywords
- pin
- rod
- threaded
- tubular body
- tap
- 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.)
- Pending
Links
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
- B25B27/06—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 or withdrawing sleeves or bearing races
- B25B27/062—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 or withdrawing sleeves or bearing races using screws
-
- 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
- B25B27/023—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 using screws
-
- 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
- B25B27/04—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 or withdrawing keys
Abstract
Description
La présente invention a pour objet un dispositif d'extracteurThe present invention relates to an extractor device
de goupille de sécurité.safety pin.
Dans le domaine de la construction automobile, il est prévu, entre autres aménagements de sécurité contre le vol, d'équiper les moteurs de systèmes anti-démarrage. Ces systèmes anti-démarrage consistent pour certains en un moyen inhibiteur de l'alimentation en carburant, et généralement In the field of automobile construction, it is planned, among other theft security features, to equip the engines with immobilizers. These immobilizer systems consist, for some, of a means inhibiting the fuel supply, and generally
placé au niveau de la pompe d'injection. placed at the level of the injection pump.
Afin d'éviter qu'un voleur puisse neutraliser le système anti- To prevent a thief from disabling the anti-tamper system
démarrage, oelui-ci est logé dans un boîtier sécurisé par des vis start-up, it is housed in a box secured by screws
bloquées au moyen de goupilles de sécurité. locked by means of safety pins.
Si les goupilles de sécurité découragent effectivement les voleurs, elles empêchent également les mécaniciens chargés de l'entretien des véhicules, d'intervenir sur la pompe d'injection If the safety pins effectively discourage thieves, they also prevent vehicle maintenance mechanics from working on the injection pump
lors d'un dysfonctionnement de celle-ci. when it malfunctions.
Ainsi, lors d'une panne, même bénigne comme un simple encrassement, le mécanicien n'a pas d'autre alternative que de déposer la pompe et de l'expédier en usine o, à l'aide d'outils spécialement prévus à cet effet mais de conception lourde, les goupilles de sécurité peuvent être extraites, avec pour conséquence une immobilisation longue du véhicule, au détriment de son propriétaire. La présente invention a pour but de remédier à cet inconvénient en proposant un dispositif extracteur de goupille de sécurité, de conception simple, de petites dimensions pour pouvoir être utilisé Thus, in the event of a breakdown, even a minor one such as simple fouling, the mechanic has no alternative but to remove the pump and send it to the factory, using tools specially provided for this purpose. effect but heavy design, the safety pins can be extracted, resulting in a long immobilization of the vehicle, to the detriment of its owner. The object of the present invention is to remedy this drawback by proposing a safety pin extractor device, of simple design, of small dimensions so that it can be used.
dans un espace restreint, et d'un maniement aisé. in a small space, and easy to handle.
Le dispositif extracteur de goupille de sécurité selon l'invention se caractérise essentiellement en ce qu'il comporte un moyen d'accrochage de la goupille par l'intérieur de celle-ci, The safety pin extractor device according to the invention is essentially characterized in that it comprises a means for attaching the pin from the inside thereof,
associé à un moyen de traction sur ledit moyen d'accrochage. associated with a traction means on said attachment means.
Selon une caractéristique additionnelle du dispositif selon l'invention, le moyen de traction est apte à tirer sur le moyen d'accrochage en prenant appui sur le bord du trou o est introduite According to an additional characteristic of the device according to the invention, the traction means is capable of pulling on the attachment means while resting on the edge of the hole o is introduced
la goupille.the pin.
Selon une autre caractéristique additionnelle du dispositif selon l'invention, le moyen d'accrochage consiste en un taraud ou un tirant susceptible d'être manoeuvré en rotation, mais monté en According to another additional characteristic of the device according to the invention, the attachment means consists of a tap or a tie rod capable of being maneuvered in rotation, but mounted in
rotation libre sur le moyen de traction. free rotation on the traction means.
Selon un mode de réalisation particulier du dispositif selon l'invention, il comporte une tige solidaire axialement de la tige filetée d'une vis sur laquelle est vissé un écrou puis enfilé un corps tubulaire duquel émerge l'extrémité libre de ladite tige, laquelle extrémité comporte un taraud ou une partie filetée destinés à être introduits dans la goupille tandis que ledit corps tubulaire prend appui par son extrémité libre sur la pièce o est According to a particular embodiment of the device according to the invention, it comprises a rod axially integral with the threaded rod of a screw on which is screwed a nut and then threaded a tubular body from which emerges the free end of said rod, which end comprises a tap or a threaded part intended to be introduced into the pin while said tubular body bears by its free end on the part o is
introduite ladite goupille.introduced said pin.
Les avantages et les caractéristiques du dispositif selon The advantages and characteristics of the device according to
l'invention, ressortiront plus clairement de la description qui the invention will emerge more clearly from the description which
suit et qui se rapporte au dessin annexé, lequel en représente un follows and which relates to the attached drawing, which represents one
mode de réalisation non limitatif.nonlimiting embodiment.
Dans le dessin annexé, la figure unique représente une vue schématique en coupe partielle d'un dispositif d'extracteur de goupille de sécurité selon l'invention, lors d'une opération In the accompanying drawing, the single figure represents a schematic view in partial section of a safety pin extractor device according to the invention, during an operation
d'extraction d'une goupille.extracting a pin.
En référence à cette figure, on peut voir un dispositif extracteur 1 selon l'invention, ainsi qu'une goupille 2 engagée With reference to this figure, one can see an extractor device 1 according to the invention, as well as a pin 2 engaged
dans un trou borgne 30 pratiqué dans une pièce 3 sécurisée. in a blind hole 30 made in a secure part 3.
On peut également voir sur cette figure le mécanisme de We can also see on this figure the mechanism of
sécurisation au moyen d'une goupille de sécurité 2. securing by means of a safety pin 2.
Ainsi la pièce 3, qui peut être un boitier, est fermée au moyen de vis 31, dont une seule est représentée, et il s'agit d'empêcher Thus the part 3, which can be a case, is closed by means of screws 31, only one of which is shown, and this is to prevent
leur enlèvement.their removal.
A cet effet, la vis 31 comporte, non loin de l'extrémité libre de sa tige filetée 32, une gorge périphérique 33, tandis que dans la pièce 3 est percé le trou borgne 30 selon un axe perpendiculaire à celui du trou taraudé 34 destiné à accueillir la vis 31, mais de manière excentrée, en sorte de déboucher en regard de la gorge 33 lorsque la vis 31 y est serrée, l'introduction de la goupille 2 For this purpose, the screw 31 includes, not far from the free end of its threaded rod 32, a peripheral groove 33, while in the part 3 is drilled the blind hole 30 along an axis perpendicular to that of the tapped hole 34 intended to accommodate the screw 31, but eccentrically, so as to open facing the groove 33 when the screw 31 is tightened therein, the introduction of the pin 2
dans le trou borgne 30 empêchant l'enlèvement de la vis 31. in the blind hole 30 preventing the removal of the screw 31.
La goupille 2 consiste en un tube fendu longitudinalement, réalisé en acier trempé qui lui donne une certaine élasticité dans le sens transversal, ce qui autorise la compression de la goupille pour son introduction dans le trou borgne 30, o son expansion ne facilite pas son enlèvement. Le dispositif extracteur i selon l'invention comporte une tige 4 présentant à une extrémité un taraud 40 de dimensions appropriées, de manière à permettre la réalisation d'une amorce de The pin 2 consists of a longitudinally split tube, made of hardened steel which gives it a certain elasticity in the transverse direction, which allows the compression of the pin for its introduction into the blind hole 30, where its expansion does not facilitate its removal . The extractor device i according to the invention comprises a rod 4 having at one end a tap 40 of suitable dimensions, so as to allow the production of a primer
taraudage dans la goupille 2.tapping in the pin 2.
La tige 4 est introduite partiellement par son autre extrémité dans un canal 50 pratiqué axialement dans la tige filetée 51 d'une vis 5, et y est immobilisée au moyen d'une goupille ou d'une vis 52. Un écrou 6 est vissé sur la tige filetée 51 jusqu'à venir au contact de la tête 53 de la vis 5, tandis qu'un corps tubulaire 7 The rod 4 is partially introduced by its other end into a channel 50 made axially in the threaded rod 51 of a screw 5, and is immobilized there by means of a pin or a screw 52. A nut 6 is screwed onto the threaded rod 51 until it comes into contact with the head 53 of the screw 5, while a tubular body 7
est enfilé sur la tige filetée 51 et vient au contact de l'écrou 6. is threaded onto the threaded rod 51 and comes into contact with the nut 6.
Sur l'extrémité libre 70 du corps tubulaire 7 est assujetti un embout 8 présentant un canal axial 80 d'un diamètre légèrement supérieur à celui de la tige 4, laquelle traverse le canal 80 pour On the free end 70 of the tubular body 7 is attached a nozzle 8 having an axial channel 80 of a diameter slightly greater than that of the rod 4, which passes through the channel 80 to
ne laisser émerger que le taraud 40. leave only the tap 40 to emerge.
L'embout 8 est destiné à guider la tige 4 transversalement au The tip 8 is intended to guide the rod 4 transversely to the
plus près de la goupille 2.closer to pin 2.
Il est coincé dans le canal interne 71 du corps 7 par des moyens appropriés tels qu'un joint torique non représenté, et comporte un épaulement 81 le bloquant en translation axiale et en direction de la tête de vis 53, contre l'extrémité libre 70 du It is wedged in the internal channel 71 of the body 7 by appropriate means such as an O-ring not shown, and has a shoulder 81 blocking it in axial translation and in the direction of the screw head 53, against the free end 70 of
corps tubulaire 7.tubular body 7.
D'autre part, une entretoise tubulaire 9 est enfilée sur On the other hand, a tubular spacer 9 is threaded on
l'embout 8, intercalée entre l'épaulement 81 et la pièce 3. the nozzle 8, interposed between the shoulder 81 and the part 3.
En utilisation, le taraud 40 est placé en regard de la goupille 2, et par la rotation de celui-ci, au moyen d'un outil de serrage adapté sur la tête de vis 53, on crée une amorce de taraudage à l'intérieur de la goupille 2, suffisante pour pouvoir accrocher celle-ci. Lorsque le taraud 40 est bien accroché dans la goupille 2, on amène l'entretoise 9 au contact de la pièce 3, et l'embout 8 au contact de l'entretoise 9, puis on dévisse l'écrou 6 sur la vis 5, en immobilisant la tête 53 de celle-ci au moyen de l'outil de serrage, jusqu'à ce que l'écrou 6 vienne au contact du corps tubulaire. En prolongeant le dévissage de l'écrou 6, la vis 5, du fait du blocage de l'écrou 6 sur le corps tubulaire 7, entraîne la tige 4, In use, the tap 40 is placed opposite the pin 2, and by the rotation of the latter, by means of a suitable tightening tool on the screw head 53, a tapping primer is created inside. of pin 2, sufficient to be able to hang it. When the tap 40 is well hooked into the pin 2, the spacer 9 is brought into contact with the part 3, and the end piece 8 is in contact with the spacer 9, then the nut 6 is unscrewed on the screw 5, by immobilizing the head 53 thereof by means of the clamping tool, until the nut 6 comes into contact with the tubular body. By extending the unscrewing of the nut 6, the screw 5, due to the locking of the nut 6 on the tubular body 7, drives the rod 4,
ce qui permet d'extraire la goupille 2. which allows to extract the pin 2.
On notera qu'il est possible d'utiliser d'autres moyens de traction sur la tige 4, toutefois, étant donné la matière dont est faite la goupille 2, on ne peut pas obtenir un ancrage solide au moyen du taraud 40, aussi la traction sur la tige doit être effectuée progressivement, ce que permet le mode de réalisation It will be noted that it is possible to use other means of traction on the rod 4, however, given the material of which the pin 2 is made, it is not possible to obtain a solid anchoring by means of the tap 40, also the traction on the rod must be carried out gradually, which allows the embodiment
précédemment décrit.previously described.
Il convient, cependant, de remarquer que ledit taraud 40 équipant l'extrémité de la vis 4 peut, dans certains cas, être uniquement employé en vue de réaliser un taraudage à 1' intérieur de la goupille 2. Après la réalisation de ce taraudage, la vis 4 équipée du taraud 40 est retirée et remplacée par une vis 4 dont au moins l'extrémité présente une partie filetée apte à coopérer avec le taraudage réalisé précedemment dans ladite goupille 2. Une telle vis 4 à extrémité filetée constitue un moyen d'accrochage de la goupille 2 et définit un tirant susceptible d'être manoeuvré en rotation et monté en rotation libre par rapport au moyen de It should, however, be noted that said tap 40 equipping the end of the screw 4 can, in certain cases, be used only for the purpose of making a thread inside the pin 2. After this thread is made, the screw 4 fitted with the tap 40 is removed and replaced by a screw 4, at least the end of which has a threaded part capable of cooperating with the thread made previously in said pin 2. Such a screw 4 with a threaded end constitutes a means of attachment of the pin 2 and defines a tie rod capable of being maneuvered in rotation and mounted in free rotation relative to the means of
traction 7 de manière similaire audit taraud 40. pull 7 similarly to said tap 40.
Il convient, également, de rappeler que ladite goupille 2 se présente sous la forme d'un tube fendu ayant naturellement tendance à s'évaser à sa sortie du trou borgne 30. Il en résulte, évidemment, une diminution de la qualité de l'accrochage du taraud It should also be remembered that said pin 2 is in the form of a split tube naturally tending to flare out of the blind hole 30. This obviously results in a reduction in the quality of the hooking the tap
ou du tirant sur cette goupille 2.or the tie rod 2.
Pour remédier à ce problème, 1' embout 8 comporte, à son extrémité située en regard du trou borgne 30, un logement 82 cylindrique à l'intérieur duquel pénètre la goupille 2 lors de son extraction de la pièce 3. Ce logement 82 présente un diamètre correspondant, sensiblement, à celui de la goupille 2 de sorte que le diamètre de cette dernière est contraint ce qui empêche ou, tout du moins, limite son expansion et assure ainsi une coopération optimale entre les moyens d'accrochage et le taraudage de ladite goupille 2. D'autre part, en fonction de l'emplacement de la goupille 2 à extraire, et du type de la pièce 3, on utilise des entretoises 9 de To remedy this problem, the end piece 8 comprises, at its end situated opposite the blind hole 30, a cylindrical housing 82 inside which the pin 2 penetrates when it is extracted from the part 3. This housing 82 has a diameter corresponding, substantially, to that of pin 2 so that the diameter of the latter is constrained which prevents or, at least, limits its expansion and thus ensures optimal cooperation between the hooking means and the tapping of said pin 2. On the other hand, depending on the location of the pin 2 to be extracted, and the type of the part 3, spacers 9 are used.
formes différentes.different shapes.
Le dispositif d'extracteur selon l'invention, par ses dimensions réduites et son maniement aisé, permet d'enlever toutes les goupilles du boîtier d'un système anti-démarrage, sans avoir à The extractor device according to the invention, by its reduced dimensions and its easy handling, makes it possible to remove all the pins from the housing of an immobilizer system, without having to
déposer celle-ci.drop it.
Il va de soi que la présente invention ne saurait être limitée It goes without saying that the present invention cannot be limited
à la description qui précède d'un de ses modes de réalisation, to the foregoing description of one of its embodiments,
susceptible de subir quelques modifications sans pour autant sortir likely to undergo some modifications without going out
du cadre de l'invention.of the scope of the invention.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9804274A FR2776951A1 (en) | 1998-04-02 | 1998-04-02 | Hollow security pin extractor used in vehicle immobilizers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR9804274A FR2776951A1 (en) | 1998-04-02 | 1998-04-02 | Hollow security pin extractor used in vehicle immobilizers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2776951A1 true FR2776951A1 (en) | 1999-10-08 |
Family
ID=9524920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR9804274A Pending FR2776951A1 (en) | 1998-04-02 | 1998-04-02 | Hollow security pin extractor used in vehicle immobilizers |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2776951A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2901166A1 (en) * | 2006-05-16 | 2007-11-23 | Process Conception Ing Sa | Threaded pin extracting device for separating metallic elements, has sleeve that is spun with respect to support such that driving of sleeve causes axial translation of end fitting by cleat moved in direction causing extraction force on pin |
| FR2906178A1 (en) * | 2006-09-27 | 2008-03-28 | Jean Pierre Barreix | Extractor for magnet, has threaded rod cooperating with axial female thread of magnet and comprising nut for displacing rod with respect to bell along axis perpendicular to support plane defining support points |
| EP1977861A1 (en) * | 2007-04-05 | 2008-10-08 | Siemens Aktiengesellschaft | Multi-part pin remover for removing a pin or bolt from the hole of a component part |
| EP2527592A3 (en) * | 2011-05-26 | 2017-03-29 | General Electric Company | Tool for removing pins from a gas turbine casing |
| CN111734725A (en) * | 2020-06-28 | 2020-10-02 | 东莞市嘉宏机电科技有限公司 | Hollow positioning pin for engine and disassembling tool thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0035911A1 (en) * | 1980-03-12 | 1981-09-16 | Westinghouse Electric Corporation | Plug removal apparatus |
| EP0230028A2 (en) * | 1986-01-06 | 1987-07-29 | Combustion Engineering, Inc. | Hydraulic tube plug remover |
| EP0484930A1 (en) * | 1990-11-07 | 1992-05-13 | Man Ghh Logistics Gmbh | Puller and extractor for connecting pins |
-
1998
- 1998-04-02 FR FR9804274A patent/FR2776951A1/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0035911A1 (en) * | 1980-03-12 | 1981-09-16 | Westinghouse Electric Corporation | Plug removal apparatus |
| EP0230028A2 (en) * | 1986-01-06 | 1987-07-29 | Combustion Engineering, Inc. | Hydraulic tube plug remover |
| EP0484930A1 (en) * | 1990-11-07 | 1992-05-13 | Man Ghh Logistics Gmbh | Puller and extractor for connecting pins |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2901166A1 (en) * | 2006-05-16 | 2007-11-23 | Process Conception Ing Sa | Threaded pin extracting device for separating metallic elements, has sleeve that is spun with respect to support such that driving of sleeve causes axial translation of end fitting by cleat moved in direction causing extraction force on pin |
| FR2906178A1 (en) * | 2006-09-27 | 2008-03-28 | Jean Pierre Barreix | Extractor for magnet, has threaded rod cooperating with axial female thread of magnet and comprising nut for displacing rod with respect to bell along axis perpendicular to support plane defining support points |
| EP1977861A1 (en) * | 2007-04-05 | 2008-10-08 | Siemens Aktiengesellschaft | Multi-part pin remover for removing a pin or bolt from the hole of a component part |
| WO2008122491A1 (en) * | 2007-04-05 | 2008-10-16 | Siemens Aktiengesellschaft | Multi-part pin remover for removing a pin or stud from a hole of a component |
| US8256082B2 (en) | 2007-04-05 | 2012-09-04 | Siemens Aktiengesellschaft | Multi-part pin remover for removing a pin or stud from a hole of a component |
| EP2527592A3 (en) * | 2011-05-26 | 2017-03-29 | General Electric Company | Tool for removing pins from a gas turbine casing |
| CN111734725A (en) * | 2020-06-28 | 2020-10-02 | 东莞市嘉宏机电科技有限公司 | Hollow positioning pin for engine and disassembling tool thereof |
| CN111734725B (en) * | 2020-06-28 | 2022-01-07 | 成都安美科燃气技术股份有限公司 | Extracting tool of hollow locating pin for engine |
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