WO2005087519A1 - Pare-choc pour vehicule comprenant un insert de reception d'un anneau de remorquage - Google Patents
Pare-choc pour vehicule comprenant un insert de reception d'un anneau de remorquage Download PDFInfo
- Publication number
- WO2005087519A1 WO2005087519A1 PCT/FR2005/000469 FR2005000469W WO2005087519A1 WO 2005087519 A1 WO2005087519 A1 WO 2005087519A1 FR 2005000469 W FR2005000469 W FR 2005000469W WO 2005087519 A1 WO2005087519 A1 WO 2005087519A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- insert
- bumper
- mold
- housing
- vehicle
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/48—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects combined with, or convertible into, other devices or objects, e.g. bumpers combined with road brushes, bumpers convertible into beds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/56—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60D—VEHICLE CONNECTIONS
- B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
- B60D1/48—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting
- B60D1/56—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper
- B60D1/565—Traction couplings; Hitches; Draw-gear; Towing devices characterised by the mounting securing to the vehicle bumper having an eyelet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/03—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by material, e.g. composite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/18—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects characterised by the cross-section; Means within the bumper to absorb impact
- B60R2019/1806—Structural beams therefor, e.g. shock-absorbing
- B60R2019/1833—Structural beams therefor, e.g. shock-absorbing made of plastic material
- B60R2019/184—Blow moulded
Definitions
- the invention relates to vehicle bumpers. It is conventional to have on the vehicle bumpers a towing and maritime stowage ring rigidly fixed to a metal bumper beam. In this case, a specification specifies that the beam can receive the removable ring screwed into an insert fixed to the beam. In this specification, three loading cases are used to size the ring and its fixing insert:
- An object of the invention is to allow the attachment of a towing ring to a bumper whose beam is made of composite material.
- a bumper for a vehicle comprising a beam comprising at least one synthetic material, the bumper comprising an insert for receiving a towing ring.
- the bumper according to the invention may also have at least any one of the following characteristics: - the insert is fixed directly to the beam;
- the housing has a sleeve shape; - the insert has a collar;
- the insert has a crimped end; - the insert comprises a metal;
- the beam consists of at least one synthetic material
- the beam comprises reinforcing fibers
- the invention also provides a method of manufacturing a bumper for a vehicle, in which there is an insert for receiving a towing ring in a bumper comprising ' a beam comprising at least one synthetic material.
- the method according to the invention may also have at least any one of the following characteristics:
- the insert is placed in the housing; - the insert is placed in the housing while the beam has a temperature higher than the ambient temperature;
- FIG. 3 is a perspective view of a ring intended to be received in the insert of the beam of Figures 1 and 2;
- FIGs 4, 5 and 6 are three views similar to Figures 1 and 2 illustrating a second embodiment of the beam according to the invention;
- Figures 7 and 8 are two views similar to Figures 1 and 2 illustrating a third embodiment of the beam
- FIG. 9 is an axial sectional view of an insert forming part of the beams of Figures 1 to 2 and 4 to 8;
- FIG. 10 is an axial sectional view of the housing arranged in the beams of Figures 1 to 2 and 4 to 8 for the reception of the insert of Figure 9;
- FIG. 11 is a partial elevational view of a mold for making a beam according to the invention. Illustrated in Figures 1 and 2 a first embodiment of a bumper 2 according to the invention.
- the bumper here is a front bumper.
- the bumper comprises a beam 4 as well as an insert 6 fixed to the beam.
- the beam comprises a bar 5 extending over the greater part of the length of the beam in a median zone thereof.
- the beam comprises two respective absorbers 10, the base of which is formed by a plate 12 having a generally planar shape perpendicular to a direction of travel 13 of the vehicle.
- the absorber 10 comprises a body 14 extending forwardly projecting from the plate 12 and having a cross section in a plane parallel to the plate 12 narrower than the latter. In this way, the edges of the plate extend from the body 14 in a plane perpendicular to the direction 13.
- the beam will be formed and produced in accordance with the teaching of document FR-2 835 793. It will thus be for example made of at least one reinforced thermoplastic material by fibers such as glass fibers. These fibers may be unidirectional, grouped to form mats or else woven with each other.
- the beam 4 is in one piece and produced in a single compression molding operation, as will be seen below. Alternatively, the beam may be made of a thermoset material.
- the plate 12 of each absorber 10 is intended to be fixed to one end of a respective spar of the vehicle structure.
- the bumper comprises a skin of synthetic material, not shown and intended to hide the beam from view from outside the vehicle.
- the insert 6 is made of metal, for example steel. It is received in a housing 16 of the beam which is in this case formed in one of the absorbers 10. As illustrated in FIG. 10, the housing 16 has a general shape of sleeve which is in this case a cylindrical shape axis 18. As illustrated in Figures 9 and 10, the synthetic material of the beam 4 is in contact with the insert 6 in the entire housing.
- the insert 6 has in particular an external face 20 of cylindrical shape making surface-to-surface contact with the cylindrical face 22 of the housing 16.
- the insert has a general shape of sleeve illustrated in detail in FIG. 9. It has a wall cylindrical 24 whose face 20 constitutes the external face.
- the insert is here formed in the form of a metal stud. It has several internal cylindrical faces 26, 28 and 30 succeeding each other along the axis 18 of the insert from a first axial end 32 of the insert 6 to a second end 34.
- the faces 26, 28 and 30 have respective diameters which increase from the end 32 to the end 34.
- the face 26 of smaller diameter extends over more than half the length of the insert 6 in the present example. It is further threaded so as to be able to cooperate by screw-nut connection with a towing and stowing ring such as the ring 40 illustrated in FIG. 3.
- the insert 6 has at its end 32 a collar extending radially projecting from the face 20 and placed in abutment against a rear face of the plate.
- the end 34 of the insert is crimped on an intermediate face 42 of the absorber generally extending halfway between a front face 44 of the plate 12 and a front face 46 of the absorber.
- the body 14 of the absorber has a recess 17 in line with the insert 6 when the absorber is observed from the front of the vehicle, to allow access to the insert in order to set up the ring 40.
- Each of the plates 12 in this case has four holes 50 for fixing the plate to a face of the corresponding spar.
- the insert extends in plan view of the plate near an external edge 52 thereof opposite the bar 5.
- the orifices 50 are arranged in a rectangle, this rectangle being inscribed between the insert and the bar 5 in plan view so that the orifices are all closer to the bar than the insert.
- the bumper which has just been described is produced in the present case as follows. Heating is first carried out on the blank (s) of synthetic materials intended to constitute the beam 4. It may be provided that the heating temperature is between 150 and 250 ° C. and is for example equal to 200 ° C. The or each blank is then installed in a compression mold 60 such as that illustrated in FIG. 11. This mold conventionally comprises a matrix and a punch movable relative to each other and forming a cavity 61 of the mold . The mold is closed by bringing the punch closer to the die.
- the mold comprises a release part 62 movably mounted to slide along an axis 64 relative to a frame 67 of the mold 60.
- the part 62 here has a cylindrical shape and constitutes a jack.
- the axis 64 corresponds to the axis of the cylinder.
- the displacement of the jack to produce the housing is carried out in the direction of the front by reference to the vehicle in the direction 13.
- the mold is then opened and the beam is removed from the mold.
- the formation of the housing by means of the movable cylinder constitutes a web of material at the level of the housing 16 transversely to the latter. This fabric can be drilled in recovery before installing the insert.
- the extra thicknesses thus constitute bosses around the orifices 50. It is also possible to provide ribs 80 connecting these extra thicknesses to the body of the absorber.
- the reinforcements formed by the extra thicknesses 78 and the ribs 80 reduce the risks of tearing by shearing in the event of effort or impact. It is observed in particular that the most stressed fixing points among the orifices 50 are the points located above, in the vicinity of the ring, because the most penalizing load cases are the downward forces.
- a second embodiment of the beam according to the invention is illustrated in Figures 4 to 6. This differs from the previous essentially by the position of the insert 6 relative to the beam.
- the absorber 10 receiving the insert 6 has a central cavity 64, the front face 46 of the absorber being absent.
- the housing is formed in the direction of the rear of the vehicle from the face 42 which constitutes the bottom of this cavity 64.
- the insert extends this time in plan view inside the rectangle formed by the four orifices 50.
- FIG. 6 illustrates the beam with its absorber in rear view. It is observed that the absorber is in fact hollowed out between its main wall and the wall forming the housing 16.
- Spacers 66 oriented radially with respect to the axis 18 of the housing are provided to give the assembly the necessary rigidity. There are six of these spacers in this case. It can be seen in FIGS.
- each absorber 10 is formed by an extension of the beam towards the rear of the vehicle and by a network of ribs 70 formed by a series of ribs s' extending along the direction of travel of the vehicle and another series of ribs crossing the previous ones and extending transversely to this direction of travel. All the ribs are in this case each inscribed in a vertical plane having a planar shape.
- the insert 6 is this time fixed to the bar and not to the absorber 10.
- the front face of the bar has for this purpose a recess 72 and the bar comprises two walls 74 having in plan view a shape in V.
- the tip of the V is directed towards the rear of the vehicle, the walls each extending in a vertical plane and each having a planar shape.
- the insert 6 is arranged with its axis 18 extending in a horizontal plane along the direction of travel of the vehicle.
- the bar has a transverse profile in H so that it has a front wall 82, a rear wall 84 and between these, a wall 86.
- the walls 82 and 84 are essentially plane and vertical and lie opposite each other.
- the wall 86 is essentially horizontal and extends from the wall 82 to the wall 84 while being slightly wavy from the wall 82 to the wall 84.
- the position of the towing insert is chosen to be close to the points of attachment of the beam to the vehicle structure.
- the invention does not however prevent the beam from satisfactorily filling the usual specifications relating to the parking impact and the repairability impact.
- the advantage of making the insert housing by means of a movable cylinder is that it avoids the creation of a zone of material welding which otherwise inevitably creates a zone of weakness in the part.
- the area receiving the insert has a homogeneous distribution of reinforcing fibers with good mechanical performance.
- the compacting cylinder may be moved forwards or backwards to form the housing.
- the beam may be made up of several thermoplastic or thermoset materials. It could be a rear bumper.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- Vibration Dampers (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/590,842 US20070182170A1 (en) | 2004-02-27 | 2005-02-28 | Vehicle bumper including a tow ring insert |
EP05732908A EP1725413A1 (fr) | 2004-02-27 | 2005-02-28 | Pare-choc pour vehicule comprenant un insert de reception d'un anneau de remorquage |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR0401996 | 2004-02-27 | ||
FR0401996A FR2866830B1 (fr) | 2004-02-27 | 2004-02-27 | Pare-choc pour vehicule comprenant un insert de reception d'un anneau de remorquage |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005087519A1 true WO2005087519A1 (fr) | 2005-09-22 |
Family
ID=34834098
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2005/000469 WO2005087519A1 (fr) | 2004-02-27 | 2005-02-28 | Pare-choc pour vehicule comprenant un insert de reception d'un anneau de remorquage |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070182170A1 (fr) |
EP (1) | EP1725413A1 (fr) |
KR (1) | KR20070005646A (fr) |
CN (1) | CN1946577A (fr) |
FR (1) | FR2866830B1 (fr) |
WO (1) | WO2005087519A1 (fr) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008020795A1 (fr) | 2006-08-15 | 2008-02-21 | Gestamp Hardtech Ab | Poutre de pare-chocs pour véhicule |
DE102007024882A1 (de) * | 2007-05-29 | 2008-12-04 | GM Global Technology Operations, Inc., Detroit | Halter für die Abschleppöse eines Kraftfahrzeugs |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7625023B2 (en) * | 2000-02-07 | 2009-12-01 | Oakwood Energy Management, Inc. | Modular energy absorber with ribbed wall structure |
DE102005056578B4 (de) * | 2005-11-25 | 2012-12-06 | Benteler Automobiltechnik Gmbh | Befestigung einer Abschleppöse |
KR100898084B1 (ko) * | 2007-08-30 | 2009-05-18 | 한화엘앤씨 주식회사 | 저속 및 고속충돌에 적합한 범퍼 빔 |
FR2934536A1 (fr) * | 2008-07-28 | 2010-02-05 | Renault Sas | Absorbeur de choc arriere pour vehicule automobile et bouclier arriere fixe a la jupe arriere du vehicule au moyen de cet absorbeur |
DE202008012398U1 (de) | 2008-09-17 | 2010-02-11 | Peguform Gmbh | Stoßfängerquerträger |
DE202008014749U1 (de) | 2008-11-06 | 2010-03-25 | Peguform Gmbh | Stoßfängerquerträger |
IT1395087B1 (it) * | 2009-03-12 | 2012-09-05 | Red Stamp Sas | Elemento ad assorbimento d'urto |
FR2959191B1 (fr) * | 2010-04-23 | 2013-02-08 | Faurecia Bloc Avant | Ensemble d'absorption d'energie de pare-chocs arriere de vehicule automobile |
JP5587698B2 (ja) * | 2010-07-30 | 2014-09-10 | アイシン精機株式会社 | 車両用バンパ装置 |
US10005408B2 (en) * | 2011-11-03 | 2018-06-26 | Sabic Global Technologies B.V. | Energy absorbing system for conflicting regulatory requirements for vehicle bumpers |
FR3021921B1 (fr) * | 2014-06-09 | 2017-08-18 | Plastic Omnium Cie | Insert metallique pour moyen de remorquage de vehicule |
DE102014011790A1 (de) * | 2014-08-12 | 2016-02-18 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Stoßfängermodul |
WO2016193935A1 (fr) * | 2015-06-05 | 2016-12-08 | Sabic Global Technologies B.V. | Ensemble d'absorption d'énergie et ses procédés de fabrication et d'utilisation |
DE102016002635A1 (de) * | 2016-03-03 | 2017-09-07 | GM Global Technology Operations LLC (n. d. Ges. d. Staates Delaware) | Stoßfängermodul |
US9932005B2 (en) | 2016-04-13 | 2018-04-03 | Flex-N-Gate Advanced Product Development Llc. | Vehicle bumper assembly |
BR112019012059A2 (pt) * | 2016-12-16 | 2019-11-12 | Sabic Global Technologies Bv | montagem de viga de amortecedor de reboque híbrida |
CN106739885B (zh) * | 2017-01-05 | 2019-05-24 | 上汽通用汽车有限公司 | 可拆卸的拖钩装置 |
DE102018106224B4 (de) * | 2018-03-16 | 2023-02-23 | Benteler Automobiltechnik Gmbh | Stoßfängeranordnung für ein Kraftfahrzeug |
GB2585007B (en) * | 2019-06-24 | 2021-11-17 | Jaguar Land Rover Ltd | Composite crush can |
WO2024019097A1 (fr) * | 2022-07-19 | 2024-01-25 | 日本製鉄株式会社 | Élément de fixation, joint assemblé et procédé de fabrication de joint assemblé |
CN115805887A (zh) * | 2022-12-30 | 2023-03-17 | 重庆博奥镁铝金属制造有限公司 | 轻型后保险杠骨架 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4208069A (en) * | 1976-10-30 | 1980-06-17 | Daimler-Benz Aktiengesellschaft | Bumper-support body consisting of glass-fiber-reinforced synthetic plastic material |
US4525005A (en) * | 1982-10-12 | 1985-06-25 | Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung | Bumper component made of fiber-reinforced material for automobiles or the like |
US5271650A (en) * | 1990-09-29 | 1993-12-21 | Mazda Motor Corporation | Vehicle bumper and method of making same |
EP1334882A1 (fr) * | 2002-02-08 | 2003-08-13 | Peguform France | Piéce de poutre de pare-choc pour véhicule comportant deux absorbeurs de chocs et un barreau |
EP1361082A1 (fr) * | 2002-05-11 | 2003-11-12 | Wagon Automotive (UK) Limited | Dispositif de remorquage associé à un pare choc |
-
2004
- 2004-02-27 FR FR0401996A patent/FR2866830B1/fr not_active Expired - Fee Related
-
2005
- 2005-02-28 KR KR1020067019982A patent/KR20070005646A/ko not_active Application Discontinuation
- 2005-02-28 CN CNA2005800060054A patent/CN1946577A/zh active Pending
- 2005-02-28 EP EP05732908A patent/EP1725413A1/fr not_active Withdrawn
- 2005-02-28 WO PCT/FR2005/000469 patent/WO2005087519A1/fr active Application Filing
- 2005-02-28 US US10/590,842 patent/US20070182170A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4208069A (en) * | 1976-10-30 | 1980-06-17 | Daimler-Benz Aktiengesellschaft | Bumper-support body consisting of glass-fiber-reinforced synthetic plastic material |
US4525005A (en) * | 1982-10-12 | 1985-06-25 | Messerschmitt-Boelkow-Blohm Gesellschaft Mit Beschraenkter Haftung | Bumper component made of fiber-reinforced material for automobiles or the like |
US5271650A (en) * | 1990-09-29 | 1993-12-21 | Mazda Motor Corporation | Vehicle bumper and method of making same |
EP1334882A1 (fr) * | 2002-02-08 | 2003-08-13 | Peguform France | Piéce de poutre de pare-choc pour véhicule comportant deux absorbeurs de chocs et un barreau |
EP1361082A1 (fr) * | 2002-05-11 | 2003-11-12 | Wagon Automotive (UK) Limited | Dispositif de remorquage associé à un pare choc |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008020795A1 (fr) | 2006-08-15 | 2008-02-21 | Gestamp Hardtech Ab | Poutre de pare-chocs pour véhicule |
EP2054246A1 (fr) * | 2006-08-15 | 2009-05-06 | Gestamp HardTech AB | Poutre de pare-chocs pour vehicule |
EP2054246A4 (fr) * | 2006-08-15 | 2010-09-15 | Gestamp Hardtech Ab | Poutre de pare-chocs pour vehicule |
US7954863B2 (en) | 2006-08-15 | 2011-06-07 | Gestamp Hardtech Ab | Bumper beam for a vehicle |
DE102007024882A1 (de) * | 2007-05-29 | 2008-12-04 | GM Global Technology Operations, Inc., Detroit | Halter für die Abschleppöse eines Kraftfahrzeugs |
Also Published As
Publication number | Publication date |
---|---|
FR2866830A1 (fr) | 2005-09-02 |
CN1946577A (zh) | 2007-04-11 |
KR20070005646A (ko) | 2007-01-10 |
FR2866830B1 (fr) | 2008-08-08 |
US20070182170A1 (en) | 2007-08-09 |
EP1725413A1 (fr) | 2006-11-29 |
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