WO2019110893A1 - Fabrication d'une pièce supérieure d'un élément support de direction assistée sans cordon de soudure - Google Patents
Fabrication d'une pièce supérieure d'un élément support de direction assistée sans cordon de soudure Download PDFInfo
- Publication number
- WO2019110893A1 WO2019110893A1 PCT/FR2018/053057 FR2018053057W WO2019110893A1 WO 2019110893 A1 WO2019110893 A1 WO 2019110893A1 FR 2018053057 W FR2018053057 W FR 2018053057W WO 2019110893 A1 WO2019110893 A1 WO 2019110893A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- zone
- folding
- elongation
- holding
- support element
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
Definitions
- the invention relates to the field of power steering for a motor vehicle and more particularly to an upper part of a support element of a steering column.
- a steering column of a power steering has the role of transmitting a torque exerted by a driver on a steering wheel to a rack, in order to turn the wheels of the vehicle.
- the steering column is a set of mechanical parts arranged to connect the steering wheel to an assistance motor mounted on an intermediate axis.
- the steering column allows a depth adjustment of the steering wheel along a longitudinal axis of the steering column, and a height adjustment of the steering wheel.
- the steering column comprises in particular a set of two hollow coaxial tubes, the outer tube and the inner tube, nested one inside the other so that the outer tube covers at least partially the inner tube.
- the upper tube and the inner tube slide one inside the other so that a total length of the tubes along a longitudinal axis, that is to say along the longitudinal axis of the steering column, varies between maximum adjustment length and minimum adjustment length.
- the two adjustment lengths allow you to adjust the depth of the steering wheel.
- the steering column is held at a frame of the vehicle at the outer tube by a support member 2 ', 3' as can be seen in Figure 1.
- the support element 2 ', 3' comprises at least one fixed upper part 2 'linked to a lower part 3' movable with respect to the upper part 2.
- the lower part 3 supports the outer tube and allows adjustment in depth and height of the steering wheel.
- the step of producing a weld bead guarantees a mechanical strength and a rigidity of the holding stirrup on the fastening plate vis-à-vis the forces exerted on the upper part in normal conditions and in a situation of crash.
- the step of producing a weld bead is one of the longest steps to be performed on a production line.
- the object of the invention is to remedy all or some of the aforementioned drawbacks by proposing a part intended to be folded so as to form an upper part of a support element of a power steering of a vehicle constituted by a plate plane comprising:
- At least one attachment zone intended to fix the upper part to a chassis of the vehicle
- At least one elongation zone intended to be positioned in a plane perpendicular to the plane in which the attachment zone extends
- the part intended to be folded so as to form an upper part of a support element of a power steering of a vehicle comprises all the areas necessary for, on the one hand, to fix the part to the chassis of the vehicle. vehicle, via the attachment area, and secondly, retain a movable lower part.
- the part Before folding, the part is substantially flat, that is to say that all areas of the room are substantially in the same plane that will be defined as the plane of the fixing area thereafter.
- the part may have boss-type deformations.
- the piece is formed in a single wall that can be metal.
- Each of the areas of the room is arranged to be in at least partial contact with an adjacent area.
- the part comprises a plurality of attachment zones. According to one characteristic of the invention, the part comprises two elongation zones.
- the two elongation zones are arranged on either side of the attachment zone.
- the part comprises a plurality of folding zone.
- the at least one attachment zone comprises at least one through orifice.
- the attachment zone is fixed to the chassis of the vehicle by inserting a screw-type element into the through hole.
- the at least one attachment zone comprises a plurality of through orifices.
- the at least one attachment zone comprises a plurality of through-holes.
- the at least one attachment zone has a substantially rectangular shape.
- the at least one elongation zone comprises at least one through orifice.
- the elongation zone can retain the lower part by inserting a rod into the through hole.
- the at least one orifice passing through the elongation zone has an oblong shape or a round shape.
- the position of the lower part may vary with respect to the position of the upper element to allow a height adjustment of the steering wheel.
- the at least one folding zone has a shape of a substantially straight line.
- the at least one folding zone is positioned on an edge of the at least one attachment zone.
- the elongation zone can be folded with respect to the fastening zone so as to be positioned at an angle of 90 ° for example.
- the piece further comprises at least one holding zone.
- the holding zone is intended to maintain the position of the elongation zone with respect to the attachment zone after folding of the workpiece.
- the holding zone guarantees a mechanical strength and a rigidity of the zone of elongation with respect to the fastening zone with respect to the forces exerted on the upper part in normal conditions and in a crash situation.
- the part comprises a plurality of holding zones.
- the at least one holding zone is intended to be positioned in contact with the attachment zone after folding of the part.
- the at least one holding zone has a surface area of less than 5 cm 2 , preferably less than 1 cm 2 .
- the holding zone can be fixed by means of a resistance weld, a weld bead, a rivet, or a clinching.
- the at least one holding zone has a substantially rectangular shape.
- a folding zone is positioned on an edge of the at least one holding zone.
- the holding zone makes it possible to maintain the elongation zone in a plane perpendicular to the plane of the fixing zone.
- the invention also relates to a method of manufacturing an upper part of a support element of a power steering comprising:
- the step of cutting the workpiece into a plate is performed using a laser, a jet of water, or air, submerged plasma, HD plasma.
- the cutting step can also be performed by detailing, by using a punch or by a saw mill.
- the folding step consists of forming an angle between 0 ° and 180 ° between two planes at a folding zone.
- the folding step consists in forming an angle substantially equal to 90 ° between two planes at a folding zone.
- the manufacturing method comprises a step of maintaining the at least one holding zone on the at least one attachment zone.
- the holding step may be carried out by one of: a resistance weld, a weld bead, a rivet, a clinching, a crimping, a solder, a weld, brew, a laser weld.
- FIG. 1 is a representation of a support element and a steering column of the state of the art
- FIG. 2 is a perspective view of a support element according to a first embodiment of the invention
- FIG. 3 is a perspective bottom view of the support element according to the first embodiment of the invention.
- FIG. 4 is a view from below of the support element according to the first embodiment of the invention.
- FIG. 5 is a view from above of the support element according to the first embodiment of the invention.
- FIG. 6 is a representation of a part intended to form, after a folding step, the support element according to the first embodiment of the invention
- FIG. 7 is a perspective view of a support element according to a second embodiment of the invention.
- FIG. 8 is a perspective bottom view of the support element according to the second embodiment of the invention.
- FIG. 9 is a view from above of the support element according to the second embodiment of the invention.
- FIG. 10 is a view from below of the support element according to the second embodiment of the invention
- FIG. 11 is a perspective view of a support element according to a third embodiment of the invention
- FIG. 12 is a perspective view of the support element according to the third embodiment of the invention.
- FIG. 13 is a view from above of the support element according to the third embodiment of the invention.
- FIG. 14 is a view from below of the support element according to the third embodiment of the invention.
- FIG. 6 shows a part 1 according to a first embodiment of the invention made after a cutting step and before a folding step.
- the part 1 is flat and comprises a fastening zone 11 substantially rectangular, that is to say with a first long side 13 parallel to a second long side 14 and two short sides parallel to each other.
- the fastening zone 11 comprises two through-orifices 12 positioned at each end of the fastening zone 11 in the direction of elongation of the fastening zone 11.
- the part 1 further comprises a first elongation zone 29 and a second elongation zone 28 each having a through orifice 22, 23 oblong.
- the two elongation zones 28, 29 have a substantially identical shape.
- the first elongation zone 29 is separated from a first holding zone 30 by a first folding zone 18.
- the first holding zone 30 has a substantially rectangular shape of ICM 2 and is positioned facing the first long side 13 of the fastening zone 11 without however being in contact therewith.
- the first elongation zone 29 is also separated from a first edge zone 26 by a second folding zone 17.
- the first edge zone 26 has a substantially elongated shape and has a through orifice 25.
- the first edge zone 26 is separated from the fastening zone 11 by a third folding zone 16 so that the third folding zone 16 is perpendicular to the second folding zone 17.
- the fastening zone 11 and the first elongation zone 29 are positioned on two perpendicular sides of the first edge zone 26.
- the second elongation zone 28 is separated from a second holding zone 31 by a fourth folding zone 21.
- the second holding zone 31 has a substantially rectangular shape of ICM 2 and is positioned opposite the second long side 14. of the fastening zone 11 without however being in contact therewith.
- the attachment zone 11 comprises a recess 15 on the second long side 14 of a shape complementary to the shape of the second holding zone 31.
- the fixing zone 11 is positioned between the two elongation zones 28, 29.
- the second elongation zone 28 is also separated from a second edge zone 27 by a fifth folding zone 20.
- the second edge zone 27 has a substantially triangular shape and has a through orifice 24.
- the second edge zone 27 is separated from the fastening zone 11 by a sixth folding zone 19 so that the sixth folding zone 19 is perpendicular to the fifth folding zone 20.
- the fastening zone 11 and the second elongation zone 28 are positioned on two perpendicular sides of the second edge zone 27.
- the part 1 is shaped in order to create an upper part 2 of a support element of a power steering.
- the folding step consists of forming a 90 ° angle at the fold zones 16, 17, 18, 19, 20, 21.
- the first edge zone 26 extends along the first long side 13 of the fastening zone 11 in a plane perpendicular to the zone fixing 11.
- the first elongation zone 29 When folding the piece 1 at the second folding zone 17, the first elongation zone 29 is in a plane perpendicular to the first edge zone 26 and perpendicular to the attachment zone 11.
- the plane of elongation of the first elongation zone 29 cuts transversely the elongation plane of the fixing zone 11 and the elongation plane of the first edge zone 26.
- the first holding zone 30 is positioned in the elongation plane of the fastening zone 11 and in contact therewith by folding the workpiece 1 at the level of the first folding zone 18.
- the second edge zone 27 extends along the second long side 14 of the attachment zone 11 in a plane perpendicular to fixing area 11.
- the second elongation zone 28 is in a plane perpendicular to the second edge zone 27 and perpendicular to the attachment zone 11.
- the plane of elongation of the second elongation zone 28 crosswise cuts the elongation plane of the fixing zone 11 and the elongation plane of the second edge zone 27.
- the second holding zone 31 is positioned in the elongation plane of the fastening zone 11 and in contact therewith by folding the workpiece 1 at the level of the fourth folding zone 21. Finally, a holding step is carried out during which the first 30 and the second 31 holding zone are fixed on the attachment zone 11 by positioning a clamp in order to perform a resistance weld.
- the initially flat part 1 forms the upper part 2 of the support element, as can be seen in FIGS. 2, 3, 4 and 5, without requiring the production of a weld bead.
- Figures 7, 8, 9 and 10 show a second embodiment of an upper part 3 of a support member.
- the second embodiment of the upper part 3 uses a part substantially identical to the part 1 of the first embodiment in which the second elongation zone 28, the second holding zone 31 and the second edge zone 27 have been removed. .
- the upper part 3 comprises a single attachment zone 111, a single holding zone 112, a single elongation zone 113 and a single edge zone 114.
- FIGS 11, 12, 13 and 14 show a third embodiment of an upper part 4 of a support member.
- a substantially rectangular fastening zone 211 comprises a single folding zone 212 positioned at the center of a first long side 213 of the fastening zone 211.
- a first elongation zone 214 and a second zone 21 Elongation 215 are each connected to the same central zone 216 by a folding zone 217.
- Each of the elongation zones 214, 215 is connected to an edge zone 218 by a folding zone 219.
- Each edge zone 218 is connected to a holding zone 220 by a folding zone 221.
- the upper part 2, 3, 4 of a support element is intended to be fixed to a chassis of a motor vehicle by means of a screw-type elongation inserted in the through holes 12 of the fixing plate 11, 111, 211.
- a lower part of the support element is attached to the upper part 2, 3, 4 by the insertion of an axis into the oblong orifices 23, 22 of the elongation zones 29, 28, 113, 215 , 214.
- the through holes 24, 25 present on the edge zones 26, 27 of the upper part 2 of the support element serve to fix a spring allowing maintain a steering column in a so-called "high" position, when a setting thereof is underway by the driver.
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112018006198.1T DE112018006198T5 (de) | 2017-12-04 | 2018-11-30 | Fertigung eines oberen Abschnitts eines Servolenkungsträgerelements ohne Schweißnaht |
BR112020010813-8A BR112020010813A2 (pt) | 2017-12-04 | 2018-11-30 | parte destinada a ser dobrada de modo a formar uma parte superior de um elemento de suporte de uma direção assistida por veículo automotivo e método para sua fabricação. |
US16/769,767 US20200385049A1 (en) | 2017-12-04 | 2018-11-30 | Production of an upper part of a power steering support element without weld seam |
CN201880078329.6A CN111491850A (zh) | 2017-12-04 | 2018-11-30 | 没有焊缝的动力转向支撑元件的上部部件的生产 |
JP2020529684A JP2021505462A (ja) | 2017-12-04 | 2018-11-30 | パワーステアリング支持部材の上部の、溶接線のない製造 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1761586A FR3074470B1 (fr) | 2017-12-04 | 2017-12-04 | Fabrication d’une piece superieure d’un element support de direction assistee sans cordon de soudure |
FR17/61586 | 2017-12-04 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2019110893A1 true WO2019110893A1 (fr) | 2019-06-13 |
Family
ID=61027984
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/FR2018/053057 WO2019110893A1 (fr) | 2017-12-04 | 2018-11-30 | Fabrication d'une pièce supérieure d'un élément support de direction assistée sans cordon de soudure |
Country Status (7)
Country | Link |
---|---|
US (1) | US20200385049A1 (fr) |
JP (1) | JP2021505462A (fr) |
CN (1) | CN111491850A (fr) |
BR (1) | BR112020010813A2 (fr) |
DE (1) | DE112018006198T5 (fr) |
FR (1) | FR3074470B1 (fr) |
WO (1) | WO2019110893A1 (fr) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090173179A1 (en) * | 2008-01-05 | 2009-07-09 | Cymbal William D | Adjustable steering column assembly with compressive locking mechanism |
JP2011156878A (ja) * | 2009-06-16 | 2011-08-18 | Nsk Ltd | 自動車用ステアリング装置 |
EP2749474A1 (fr) * | 2011-08-23 | 2014-07-02 | NSK Ltd. | Patte de support, procédé de fabrication d'une patte de support et dispositif de direction électrique utilisant ladite patte de support |
DE102015000028A1 (de) * | 2015-01-08 | 2016-07-14 | Thyssenkrupp Ag | Fertigungsverfahren für eine modulare Lenksäule mit Strangpressprofilen |
DE102015106030A1 (de) * | 2015-04-20 | 2016-10-20 | Trw Automotive Gmbh | Lenksäulenbaueinheit sowie Verfahren zur Herstellung eines Halteelements für eine Lenksäulenbaueinheit |
-
2017
- 2017-12-04 FR FR1761586A patent/FR3074470B1/fr not_active Expired - Fee Related
-
2018
- 2018-11-30 CN CN201880078329.6A patent/CN111491850A/zh active Pending
- 2018-11-30 JP JP2020529684A patent/JP2021505462A/ja not_active Withdrawn
- 2018-11-30 DE DE112018006198.1T patent/DE112018006198T5/de not_active Withdrawn
- 2018-11-30 US US16/769,767 patent/US20200385049A1/en not_active Abandoned
- 2018-11-30 WO PCT/FR2018/053057 patent/WO2019110893A1/fr active Application Filing
- 2018-11-30 BR BR112020010813-8A patent/BR112020010813A2/pt not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090173179A1 (en) * | 2008-01-05 | 2009-07-09 | Cymbal William D | Adjustable steering column assembly with compressive locking mechanism |
JP2011156878A (ja) * | 2009-06-16 | 2011-08-18 | Nsk Ltd | 自動車用ステアリング装置 |
EP2749474A1 (fr) * | 2011-08-23 | 2014-07-02 | NSK Ltd. | Patte de support, procédé de fabrication d'une patte de support et dispositif de direction électrique utilisant ladite patte de support |
DE102015000028A1 (de) * | 2015-01-08 | 2016-07-14 | Thyssenkrupp Ag | Fertigungsverfahren für eine modulare Lenksäule mit Strangpressprofilen |
DE102015106030A1 (de) * | 2015-04-20 | 2016-10-20 | Trw Automotive Gmbh | Lenksäulenbaueinheit sowie Verfahren zur Herstellung eines Halteelements für eine Lenksäulenbaueinheit |
Also Published As
Publication number | Publication date |
---|---|
US20200385049A1 (en) | 2020-12-10 |
FR3074470A1 (fr) | 2019-06-07 |
CN111491850A (zh) | 2020-08-04 |
DE112018006198T5 (de) | 2020-08-27 |
BR112020010813A2 (pt) | 2020-11-10 |
FR3074470B1 (fr) | 2019-11-22 |
JP2021505462A (ja) | 2021-02-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
EP1904316B1 (fr) | Essieu souple de vehicule automobile, comprenant une traverse a section ouverte dont les flancs presentent des chants non rectilignes, traverse et vehicule correspondant | |
EP2137049B1 (fr) | Véhicule comprenant une prolonge avec appui perfectionné | |
EP3177507B1 (fr) | Structure de véhicule avec renfort entre longeron aluminium et pied avant | |
EP1378402A1 (fr) | Profilé pour élément de structure de véhicule automobile, et châssis correspondant | |
EP1595749A1 (fr) | Procédé de fabrication d'une platine de support d'un absorbeur d'énergie d'un pare-chocs et platine de support obtenue par un tel procédé | |
EP3057851B1 (fr) | Structure de bavolet de véhicule automobile | |
FR2942418A1 (fr) | Procede de fabrication d'un composant de vehicule automobile sous forme d'un profile de torsion | |
EP2586648B1 (fr) | Système comprenant une glissière de siège de véhicule automobile et un support destiné a y etre fixé et procédé de fabrication d'un tel système | |
EP1580102B1 (fr) | Procédé d'assemblage d'un pavillon en aluminium sur les flancs d'une caisse d'un véhicule automobile et pavillon en aluminium pour véhicle automobile | |
EP0713820B1 (fr) | Dispositif d'absorption d'énergie d'une colonne de direction de véhicule automobile | |
FR2834922A1 (fr) | Procede de fabrication d'un element structurel et element prevu par ledit procede | |
EP2342120B1 (fr) | Ensemble de traverse de planche de bord pour véhicule automobile, dispositif pour planche de bord, véhicule et procédé de fabrication correspondants | |
FR3074470B1 (fr) | Fabrication d’une piece superieure d’un element support de direction assistee sans cordon de soudure | |
EP3687882A1 (fr) | Dispositif de fixation d'une traverse de poste de conduite d'un véhicule | |
EP1854707A1 (fr) | Elément de liaison pour réaliser un longeron pour véhicule automobile et longeron comportant un tel élément | |
FR3020289A1 (fr) | Procede d'assemblage d'un ensemble comprenant un tube a une plaque et ensemble ainsi assemble | |
WO2005108188A1 (fr) | Procédé de fabrication d'une pièce en tôle par emboutissage et pliage, dispositif de fabrication, pièce en tôle, berceau de véhicule, coquille de berceau et véhicule correspondants | |
WO2013117261A1 (fr) | Structure de montage d'un poste de conduite d'un vehicule | |
EP3934934B1 (fr) | Structure comprenant un gousset pour une traverse arrière de pavillon de toit intégrant un support de poignée | |
EP1398431B1 (fr) | Procédé de fabrication d'un élément vertical d'échafaudage, et élément ainsi obtenu | |
FR3013285A1 (fr) | Structure de pare-chocs de vehicule et vehicule correspondant | |
FR2950008A1 (fr) | Ensemble d'habillage de vehicule d'automobile, procede d'assemblage et appareil d'assemblage associes | |
FR2800697A1 (fr) | Poutre de vehicule automobile integrant un montant de baie et un brancard de pavillon | |
FR3062367B1 (fr) | Traverse de planche de bord et console de support de colonne de direction modulaires | |
WO2018115598A1 (fr) | Longeronnet pour une structure arrière de châssis de véhicule et véhicule comprenant une telle structure |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 18825760 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2020529684 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112020010813 Country of ref document: BR |
|
ENP | Entry into the national phase |
Ref document number: 112020010813 Country of ref document: BR Kind code of ref document: A2 Effective date: 20200528 |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 18825760 Country of ref document: EP Kind code of ref document: A1 |