FR2959166A1 - Tow ring for use in front or rear beam of vehicle, has mooring loop with cylindrical opening that is obtained by piercing of flattened end of hollow cylinder section, where cylindrical opening is realized at center of flattened part - Google Patents

Tow ring for use in front or rear beam of vehicle, has mooring loop with cylindrical opening that is obtained by piercing of flattened end of hollow cylinder section, where cylindrical opening is realized at center of flattened part Download PDF

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Publication number
FR2959166A1
FR2959166A1 FR1053188A FR1053188A FR2959166A1 FR 2959166 A1 FR2959166 A1 FR 2959166A1 FR 1053188 A FR1053188 A FR 1053188A FR 1053188 A FR1053188 A FR 1053188A FR 2959166 A1 FR2959166 A1 FR 2959166A1
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FR
France
Prior art keywords
cylindrical opening
profile
mooring loop
flattened
towing ring
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
FR1053188A
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French (fr)
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FR2959166B1 (en
Inventor
Frank Soleillant
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.)
PSA Automobiles SA
Original Assignee
Peugeot Citroen Automobiles SA
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.)
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Publication date
Application filed by Peugeot Citroen Automobiles SA filed Critical Peugeot Citroen Automobiles SA
Priority to FR1053188A priority Critical patent/FR2959166B1/en
Publication of FR2959166A1 publication Critical patent/FR2959166A1/en
Application granted granted Critical
Publication of FR2959166B1 publication Critical patent/FR2959166B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/48Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
    • B60D1/52Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting removably mounted
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60DVEHICLE CONNECTIONS
    • B60D1/00Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/48Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
    • B60D1/56Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper
    • B60D1/565Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper having an eyelet

Abstract

The ring (10) has a fixation rod (18) and a mooring loop (19), where the ring is realized in a hollow cylinder section (11). An interior diameter (12) of the section is lower than half of exterior diameter of the section. The mooring loop has a cylindrical opening (14) that is obtained by piercing of a flattened end of the section, where a width of the mooring loop is greater than the exterior diameter of the section. The cylindrical opening is realized at a center of a flattened part (13).

Description

ANNEAU DE REMORQUAGE PERFECTIONNE PERFECT TOWING RING

La présente invention concerne un anneau de remorquage perfectionné réalisé en une seule 5 pièce dans un profilé cylindrique. Dans l'état de la technique, nous connaissons un anneau de remorquage réalisé en une seule pièce massive comportant une tige axiale dont l'extrémité est filetée, tandis que 10 l'autre extrémité comporte une boucle de forme ovoïde dont la section est circulaire et dont le diamètre est sensiblement inférieur à la section de la tige axiale. L'anneau de remorquage peut être obtenu par forgeage. Ces opérations de 15 forgeages sont longues et délicates à mettre en oeuvre. De façon classique, l'anneau de remorquage est vissé, en cas de nécessité dans la poutre avant ou arrière d'un véhicule selon les cas et la boucle permet le passage d'un crochet d'une 20 barre de remorquage adaptée. Le but de l'invention est donc de proposer un anneau de remorquage permettant de s'affranchir de ces inconvénients en le fabriquant de manière à alléger considérablement. 25 A cet effet, la présente invention a pour objet un anneau de remorquage comprenant une tige filetée et une boucle d'amarrage montrant que l'anneau de remorquage est fabriqué dans un profilé cylindrique creux, pour l'alléger 30 considérablement. The present invention relates to an improved towing ring made in one piece in a cylindrical profile. In the state of the art, we know a towing ring made in one solid piece having an axial rod whose end is threaded, while the other end comprises an ovoid-shaped loop whose section is circular and whose diameter is substantially smaller than the section of the axial rod. The towing ring can be obtained by forging. These forging operations are long and difficult to implement. Conventionally, the towing eye is screwed, if necessary in the front or rear beam of a vehicle as the case and the loop allows the passage of a hook of a suitable tow bar. The object of the invention is therefore to provide a towing ring to overcome these drawbacks by manufacturing it so as to lighten considerably. To this end, the subject of the present invention is a towing ring comprising a threaded rod and a mooring buckle showing that the towing ring is manufactured in a hollow cylindrical profile, in order to lighten it considerably.

Selon une autre caractéristique le diamètre intérieur du profilé est inférieur à la moitié du diamètre extérieur du profilé, pour une meilleure tenue mécanique et une robustesse accrue de l'ensemble de 5 l'anneau de remorquage. Selon une autre caractéristique avantageuse, la boucle d'amarrage a été obtenue par aplatissement d'une extrémité du profilé cylindrique creux pour former une extrémité plane, afin de former la 10 boucle d'amarrage. La boucle est fabriquée de façon simple et son coût d'obtention est peu élevé Avantageusement, la boucle d'amarrage comprend une ouverture qui a été obtenue par perçage de l'extrémité aplatie du profil. 15 Selon une variante, l'ouverture de la boucle d'amarrage est cylindrique, ce qui est plus pratique et améliore la qualité perçue. Selon, une autre variante, la boucle d'amarrage a une largeur supérieure au diamètre 20 extérieur du profilé. Avantageusement, la largeur de la boucle d'amarrage vaut le double du diamètre extérieur du profilé du profilé en vue d'augmenter la solidité de la boucle d'amarrage. 25 Avantageusement, l'épaisseur de la boucle d'amarrage est inférieure au double de l'épaisseur e du profilé. Suivant une autre variante, l'ouverture cylindrique de la boucle d'amarrage est réalisée au 30 centre de la partie aplatie. Selon une autre caractéristique, la tige de fixation est filetée à son extrémité opposée à la boucle d'amarrage, pour obtenir un ancrage robuste. According to another characteristic, the inner diameter of the profile is less than half the outer diameter of the profile, for better mechanical strength and increased strength of the entire towing ring. According to another advantageous characteristic, the mooring loop has been obtained by flattening an end of the hollow cylindrical profile to form a flat end, in order to form the mooring loop. The loop is manufactured in a simple manner and its cost of obtaining is low Advantageously, the mooring loop comprises an opening which was obtained by drilling the flattened end of the profile. According to one variant, the opening of the mooring loop is cylindrical, which is more practical and improves the perceived quality. According to another variant, the mooring loop has a width greater than the outside diameter of the profile. Advantageously, the width of the mooring loop is twice the outside diameter of the profile section to increase the strength of the mooring loop. Advantageously, the thickness of the mooring loop is less than twice the thickness e of the profile. According to another variant, the cylindrical opening of the mooring loop is made in the center of the flattened portion. According to another characteristic, the fixing rod is threaded at its end opposite the mooring loop, to obtain a robust anchorage.

D'autres caractéristiques et avantages de l'invention apparaîtront clairement à la lecture de la description ci-après, donnée à titre indicatif en référence aux dessins annexés dans lesquels: Other features and advantages of the invention will become clear from reading the description below, given for information with reference to the accompanying drawings in which:

La figure 1 est une vue en plan d'un anneau de remorquage suivant l'art antérieur. La figure 2 est une vue en perspective d'un profilé creux dans lequel est fabriqué l'anneau de remorquage suivant l'invention. - La figure 3 est une vue en perspective d'un anneau de remorquage suivant l'invention. La figure 1 représente une vue en plan d 'un anneau de remorquage 1 suivant l'art antérieur le plus proche. L'anneau de remorquage 20 1 considéré est fabriqué en une seule pièce de façon massive. Il comprend de façon classique une tige 2 filetée 3 à une extrémité et à l'autre extrémité une boucle ovoïde 4 venant de matière avec la tige 2. Cet anneau de remorquage peut 25 être obtenu par forgeage. La section 5 de la boucle 4 est sensiblement inférieure à la section de la tige 1. On comprend bien que cette pièce massive est d'une part relativement lourde et d 'autre part nécessite un nombre d'opérations 30 importants renchérissants les coûts de fabrication de façon excessive. La figure 2 est une vue en perspective d 'un profilé creux 11 dans lequel est 15 avantageusement fabriqué l'anneau de remorquage 10, visible sur la figure 3. Le profilé 11 est traversé par un trou cylindrique 12. Le diamètre intérieur 12 est inférieur à la moitié du diamètre extérieur 20. Ce qui implique que l'épaisseur e du profilé est relativement importante. La figure 3 représente une vue en perspective 'un anneau de remorquage suivant l'invention. L'anneau de remorquage 11 est de façon classique fileté 18 à une extrémité tandis que l'autre extrémité est façonné la boucle d'amarrage 19. A cet effet, l'extrémité du profilé 11 subi un écrasement, permettant de produire une partie aplatie 13. Cette extrémité est d'autant plus facile à réaliser que le profilé 11 est creux. De cette façon, l'extrémité obtenue est sensiblement plate et à la largeur obtenue et d'environ le double du diamètre 20 du profilé 11. Une ouverture cylindrique 14 est réalisée dans l'extrémité aplatie 13. Cette ouverture est réalisée à une position équidistante des trois bords 15, 16, 17 de la partie d'extrémité aplatie 13. De cette façon, l'anneau de remorquage 10 est fabriqué facilement avec un minimum d'opérations de façonnage avec une tenue mécanique équivalente à celui de l'art antérieur. En outre, grâce au trou cylindrique axial 12, un gain de poids appréciable est obtenu, c'est à dire de l'ordre de 300 grammes. Bien entendu, il va de soi que l'invention ne se limite pas à l'exemple de réalisation plus Figure 1 is a plan view of a towing ring according to the prior art. Figure 2 is a perspective view of a hollow section in which is manufactured the towing ring according to the invention. - Figure 3 is a perspective view of a towing ring according to the invention. Figure 1 shows a plan view of a towing ring 1 according to the closest prior art. The towing ring 20 1 considered is made in one piece in a massive manner. It comprises conventionally a threaded rod 3 at one end and at the other end an ovoid loop 4 made of material with the rod 2. This towing ring can be obtained by forging. The section 5 of the loop 4 is substantially smaller than the section of the rod 1. It is well understood that this massive piece is on the one hand relatively heavy and on the other hand requires a number of important operations making the manufacturing costs higher. excessively. FIG. 2 is a perspective view of a hollow profile 11 in which the towing eye 10 is advantageously manufactured, visible in FIG. 3. The profile 11 is traversed by a cylindrical hole 12. The inside diameter 12 is smaller at half the outer diameter 20. This implies that the thickness e of the profile is relatively large. Figure 3 shows a perspective view of a towing ring according to the invention. The towing ring 11 is conventionally threaded 18 at one end while the other end is shaped the mooring loop 19. For this purpose, the end of the profile 11 is crushed, to produce a flattened portion 13. This end is much easier to achieve that the section 11 is hollow. In this way, the resulting end is substantially flat and the width obtained and about twice the diameter of the profile 20. A cylindrical opening 14 is formed in the flattened end 13. This opening is made at an equidistant position three edges 15, 16, 17 of the flattened end portion 13. In this way, the towing ring 10 is easily manufactured with a minimum of shaping operations with mechanical strength equivalent to that of the prior art . In addition, thanks to the axial cylindrical hole 12, appreciable weight gain is obtained, that is to say of the order of 300 grams. Of course, it goes without saying that the invention is not limited to the embodiment more

Claims (10)

REVENDICATIONS1. Anneau de remorquage (10) comprenant une tige 5 de fixation (18) et une boucle d'amarrage (19) caractérisé en ce que l'anneau de remorquage (10) est réalisé dans un profilé cylindrique creux (11). REVENDICATIONS1. Towing ring (10) comprising a fastening rod (18) and a mooring loop (19) characterized in that the towing eye (10) is formed in a hollow cylindrical profile (11). 2. Anneau de remorquage (10) suivant la revendication 1 caractérisé en ce que le diamètre 10 intérieur (12) du profilé (11) est inférieur à la moitié du diamètre extérieur (20)du profilé (11). 2. Towing ring (10) according to claim 1 characterized in that the inner diameter (12) of the profile (11) is less than half the outer diameter (20) of the profile (11). 3. Anneau de remorquage (10) suivant la revendication 1 ou 2 caractérisé en ce que la boucle d'amarrage (19) a été obtenue par aplatissement d'une 15 extrémité du profilé cylindrique creux pour former une extrémité plane, afin de former la boucle d'amarrage. The towing eye (10) according to claim 1 or 2, characterized in that the mooring loop (19) has been obtained by flattening an end of the hollow cylindrical profile to form a flat end to form the mooring loop. 4. Anneau de remorquage (10) suivant la revendication 3 caractérisé en ce que la boucle d'amarrage (19) comprend une ouverture qui a été 20 obtenue par perçage de l'extrémité aplatie du profilé. Towing ring (10) according to claim 3, characterized in that the mooring loop (19) comprises an opening which has been obtained by drilling the flattened end of the profile. 5. Anneau de remorquage (10) suivant la revendication 4 caractérisé en ce que l'ouverture (14) est cylindrique. 5. Towing ring (10) according to claim 4 characterized in that the opening (14) is cylindrical. 6. Anneau de remorquage (10) suivant l'une 25 quelconque des revendications précédentes, caractérisé en ce que la boucle d'amarrage (19) a une largeur supérieure au diamètre extérieur (20) du profilé (11). Towing ring (10) according to one of the preceding claims, characterized in that the mooring loop (19) has a width greater than the outer diameter (20) of the profile (11). 7. Anneau de remorquage (10) suivant la revendication 6 caractérisé en ce que la largeur de la 30 boucle d'amarrage (19) vaut au moins le double du diamètre extérieur (20) du profilé (11). Towing ring (10) according to claim 6, characterized in that the width of the mooring loop (19) is at least twice the outside diameter (20) of the profile (11). 8. Anneau de remorquage (10) suivant la revendication 3 à 7 caractérisé en ce que l'épaisseurde la boucle d'amarrage (19) est inférieure au double de l'épaisseur e du profilé (11). Towing ring (10) according to claim 3 to 7, characterized in that the thickness of the mooring loop (19) is less than twice the thickness e of the profile (11). 9. Anneau de remorquage (10) suivant la revendication 4 caractérisé en ce que l'ouverture cylindrique (14) est réalisée au centre de la partie aplatie (13). 9. towing ring (10) according to claim 4 characterized in that the cylindrical opening (14) is formed in the center of the flattened portion (13). 10. Anneau de remorquage (10) suivant l'une quelconque des revendications précédentes caractérisée en ce que la tige de fixation (18) est filetée (3) à son extrémité opposée à la boucle d'amarrage (19). 10. Towing ring (10) according to any one of the preceding claims, characterized in that the fixing rod (18) is threaded (3) at its end opposite the mooring loop (19).
FR1053188A 2010-04-27 2010-04-27 PERFECT TOWING RING Expired - Fee Related FR2959166B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR1053188A FR2959166B1 (en) 2010-04-27 2010-04-27 PERFECT TOWING RING

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FR1053188A FR2959166B1 (en) 2010-04-27 2010-04-27 PERFECT TOWING RING

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FR2959166B1 FR2959166B1 (en) 2012-06-01

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013008109U1 (en) * 2013-09-11 2014-12-12 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Towing aid with a frontal tool holder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU586566B2 (en) * 1986-06-27 1989-07-13 Lomi Nominees Pty. Ltd. Retractable towing connector
DE102006009675A1 (en) * 2006-03-02 2007-09-13 Sadi Uz Vehicle towing hook, for breakdown recovery, is an assembled unit with the hook and the towing components in a housing to be pulled out for use and retracted by a spring
DE102007039482A1 (en) * 2007-08-21 2009-02-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Coupling device for motor vehicle, has tow rope or tow rod and motor vehicle to be towed is joined or connected, and is manufactured from fiber reinforced plastic after composite flow pressing process

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU586566B2 (en) * 1986-06-27 1989-07-13 Lomi Nominees Pty. Ltd. Retractable towing connector
DE102006009675A1 (en) * 2006-03-02 2007-09-13 Sadi Uz Vehicle towing hook, for breakdown recovery, is an assembled unit with the hook and the towing components in a housing to be pulled out for use and retracted by a spring
DE102007039482A1 (en) * 2007-08-21 2009-02-26 Dr. Ing. H.C. F. Porsche Aktiengesellschaft Coupling device for motor vehicle, has tow rope or tow rod and motor vehicle to be towed is joined or connected, and is manufactured from fiber reinforced plastic after composite flow pressing process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202013008109U1 (en) * 2013-09-11 2014-12-12 GM Global Technology Operations, LLC (n.d. Ges. d. Staates Delaware) Towing aid with a frontal tool holder

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