WO2005037627A1 - Dispositif de commande - Google Patents

Dispositif de commande Download PDF

Info

Publication number
WO2005037627A1
WO2005037627A1 PCT/JP2004/015764 JP2004015764W WO2005037627A1 WO 2005037627 A1 WO2005037627 A1 WO 2005037627A1 JP 2004015764 W JP2004015764 W JP 2004015764W WO 2005037627 A1 WO2005037627 A1 WO 2005037627A1
Authority
WO
WIPO (PCT)
Prior art keywords
bracket
holding member
plate
main body
steering device
Prior art date
Application number
PCT/JP2004/015764
Other languages
English (en)
Japanese (ja)
Inventor
Koji Kamei
Nobuyasu Ando
Original Assignee
Nsk Ltd.
Nsk Steering Systems Co., Ltd.
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.)
Filing date
Publication date
Application filed by Nsk Ltd., Nsk Steering Systems Co., Ltd. filed Critical Nsk Ltd.
Priority to JP2005514884A priority Critical patent/JP4721428B2/ja
Publication of WO2005037627A1 publication Critical patent/WO2005037627A1/fr

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
    • B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
    • B62D1/184—Mechanisms for locking columns at selected positions

Definitions

  • the present invention relates to a steering device, and more particularly to a tilt-telescopic steering device that can adjust a tilt angle of a steering wheel and an axial position thereof according to, for example, a driving posture of a driver.
  • a tilt / telescopic steering system capable of adjusting an inclination angle of a steering wheel and an axial position of the steering wheel according to a driver's physique and driving posture.
  • An apparatus is known (see JP-A-2000-247241).
  • the moment force required to bend the tilt bracket is low, and the reaction force of the tilt lever is weakened.However, if the tilt nut is tightened near the root, In this case, since a high moment force is required to bend the tilt bracket, the reaction force of the tilt lever is increased, and the operator may feel uncomfortable. Also, increasing the reaction force of the tilt lever means that if the nut is tightened with the same force, the fastening force of the distance bracket will decrease accordingly, so the length of the tilt lever must be reduced to prevent loosening. Countermeasures such as adjustment are also required.
  • the present invention has been made in view of the problems of the related art, and an object of the present invention is to provide a steering device that can reduce an uncomfortable feeling for an operator.
  • the steering device according to the first aspect of the present invention includes:
  • a column holding member for holding the inner column
  • a steering member that is configured to fix the column holding member to the bracket by applying an operating force
  • the bracket includes a main body attached to the vehicle body, A pair of plate portions extending from the main body and sandwiching the column holding member,
  • the column holding member is supported so as to be displaceable with respect to the plate portion and is fixed by the fixing member.
  • the operating force of the fixing member is: Irrespective of the displacement position of the column holding member with respect to.
  • a column holding member for holding the inner column
  • a fixing member for fixing the column holding member to the bracket, a steering device comprising:
  • the bracket includes a main body attached to the vehicle body, and a pair of plate portions extending from the main body and holding the column holding member,
  • An elongated hole is formed in the plate portion to allow the fixing member to pass therethrough, and a direction in which the elongated hole extends is defined by the plate portion generated when the column holding member is fixed to the bracket. It is characterized by being inclined parallel to the center line of the bend or within 45 degrees at the maximum.
  • the steering device according to the first aspect of the present invention, wherein the bracket includes: a main body attached to the vehicle body; and a pair of plate portions extending from the main body and sandwiching the column holding member. Is supported so as to be displaceable with respect to the plate portion and is fixed by the fixing member. The operating force of the fixing member is substantially independent of the displacement position of the column holding member with respect to the plate portion.
  • the plate portion is formed with a long hole for passing the fixing member, and the extending direction of the long hole is determined when the column holding member is fixed to the bracket.
  • the plate is inclined parallel to the centerline of the bending of the plate or within 4.5 degrees at the maximum.
  • Has a long hole for passing through the fixing member, and a direction in which the long hole extends is a center line of a bending line of the plate portion generated when the column holding member is fixed to the bracket. Or at an angle of 45 degrees or less at the maximum, so that the tightening force of the fixing member depends on whether the fixing member is at one end of the elongated hole or when the fixing member is at the other end.
  • the change is small, and the operator's uncomfortable feeling can be suppressed as compared with the case where the direction in which the elongated holes extend at a substantially right angle to the bending center line of the bracket as in the related art. Further, it is possible to suppress the change in the fixing force of the column holding member regardless of the position of the slot.
  • the position of the fixing member is Regardless, the tightening force is constant, which is preferable.
  • the direction in which the elongated hole extends is inclined at most within 45 degrees with respect to the bending center line of the plate portion generated when the column holding member is fixed to the bracket.
  • the bracket when the plate portion has a plate thickness smaller than the plate thickness of the main body and is welded to the main body, it is easy to adjust the deflection of the plate portion.
  • the bracket when the plate portion and the main body have the same plate thickness, and a rigidity reducing portion that reduces rigidity of the plate portion is provided, the bracket can be formed of one plate material, In addition, the deflection of the plate portion can be adjusted.
  • FIG. 1 is a side view of a tilt / telescopic steering apparatus according to a first embodiment.
  • FIG. 2 is an enlarged view showing the vicinity of a bracket 12 of the steering device in FIG.
  • FIG. 3 is a view of the configuration of FIG. 2 cut along line II I-III and viewed in the direction of the arrow.
  • FIG. 1 is a side view of a tilt / telescopic steering apparatus according to a first embodiment.
  • FIG. 2 is an enlarged view showing the vicinity of a bracket 12 of the steering device in FIG.
  • FIG. 3 is a view of the configuration of FIG. 2 cut along line II I-III and viewed in the direction of the arrow.
  • FIG. 1 is a side view of a tilt / telescopic steering apparatus according to a first embodiment.
  • FIG. 2 is an enlarged view showing the vicinity of a bracket 12 of the steering device in FIG.
  • FIG. 3 is a view of the configuration of FIG. 2 cut along line II I-III and viewed
  • FIG. 4 is a side view of the bracket 12.
  • FIG. 5 is a front view of the bracket 12.
  • FIG. 6 is a top view of the bracket 12.
  • FIG. 7 is a side view of a tilt-telescopic steering apparatus according to a second embodiment.
  • FIG. 8 is an enlarged view of the vicinity of the bracket 1 12 of the steering device in FIG.
  • FIG. 9 is a view of the configuration of FIG. 8 cut along line IX-IX and viewed in the direction of the arrow.
  • FIG. 10 is a side view of the bracket 1 12.
  • FIG. 11 is a front view of the bracket 1 12.
  • FIG. 12 is a top view of the bracket 1 12.
  • FIG. 13 is a view similar to FIG. 10 showing a bracket I 1 2 ′ according to a modification of the present embodiment.
  • FIG. 14 is a front view of a bracket 12 according to a modification.
  • BEST MODE FOR CARRYING OUT THE INVENTION a tilt-telescopic steering device according to an embodiment of the present invention will be described with reference to the drawings.
  • FIG. 1 is a side view of the tilt-telescopic steering apparatus according to the first embodiment
  • FIG. 2 is an enlarged view showing the vicinity of a bracket 12 of the steering apparatus shown in FIG. Fig. 2 is a view of the configuration in Fig. 2 taken along the line II-II and viewed in the direction of the arrow.
  • 4 is a side view of the bracket 12
  • FIG. 5 is a front view of the bracket 12
  • FIG. 6 is a top view of the bracket 12.
  • FIG. 1 is a side view of the tilt-telescopic steering apparatus according to the first embodiment
  • FIG. 2 is an enlarged view showing the vicinity of a bracket 12 of the steering apparatus shown in FIG. Fig. 2 is a view of the configuration in Fig. 2 taken along
  • an inner column 11 is disposed in a column holding member 21 attached to a vehicle body (not shown) via a bracket 12 so as to be axially displaceable.
  • the steering shaft S is rotatably arranged by bearings 13.
  • a steering wheel H is attached to the right end of the steering shaft S in FIG. 1, and a left end of the steering shaft S is connected to a steering shaft rack shaft (not shown) via a universal joint U (not shown). Connected to the pinion.
  • the bracket 12 has a U-shape as viewed in the direction of the shaft thread of the steering shaft S and is fixed to the body 12 e fixed to the vehicle body and the side plate of the body 12 e respectively.
  • the thickness of the plate 1 ⁇ 12a, 12a is smaller than the thickness of the main body 12e.
  • the main body 12 e has a pair of vehicle body mounting holes 12 c and 12 c for attachment to a vehicle body (not shown).
  • a reinforcing plate 12 f bent from the upper surface of the main body 12 e and welded to the upper portions of both side surfaces is provided at an end opposite to the plate portion 12 a.
  • the shape of the plate portion 12a is rectangular and is symmetric with respect to the vertical line.
  • Each plate portion 12a is formed with a tilt groove (elongated hole) 12b which is a part of an arc centered on the pivot point 0 (FIG. 1) of the column holding member 21.
  • the tilt groove 12b on the head side of the fixing member 17 to be described later and the tilt groove 12b on the nut 23 side are different from each other, the shapes are different in accordance with the objects.
  • the two parts are welded so that the upper and lower edges of the plate parts 12a and 12a are substantially parallel to the body mounting surface of the main body 12e in Fig. 4.
  • the direction in which the tilt groove 12b extends is substantially perpendicular to the surface.
  • the material of the bracket 12 may be a hot-rolled mild steel plate (SPHC), a cold-rolled steel plate (SPCC) with high precision, a high-strength high-strength steel, or the like, which is excellent in workability.
  • SPHC hot-rolled mild steel plate
  • SPCC cold-rolled steel plate
  • a high-strength high-strength steel or the like, which is excellent in workability.
  • a column holding member 21 is disposed between the plate portions 12a, 12a of the bracket 12.
  • the aluminum column holding member 21 is generally cylindrical, but has an arm portion 2 lm extending horizontally from the outer peripheral surface at a position sandwiched between the plate portions 12 a and 12 a.
  • a slit 21e extending in the axial direction is formed at the upper center of the arm 2lm, and a through hole 21n penetrating through the inside of the arm 2lm is formed so as to cross the slit 21e.
  • the fixing member 17 which is a headed port passed through the right side of FIG. 3 with respect to the tilt groove 12 b of the plate portion 12 a is attached to the right side plate portion 12 a of FIG. n and protrudes from the opposite tilt groove 12b.
  • a fixed cam provided with a tilt guide portion 18a having a substantially oval cross section and a fixed cam portion 18b having a larger diameter so as to engage with the width of the tilt groove 12b around the projecting portion of the fixing member 17.
  • a ring (either a rolling bearing or a sliding bearing) 22 is arranged, and is screwed and attached with a nut 23 which is screwed and fixed to the screw portion 2 17 b of the fixing member 17.
  • the left plate portion 12a in FIG. 4 pressed by the fixed cam 18 is displaced rightward.
  • the fixed member 17 pressed leftward by the movable cam 19 displaces the right plate portion 12a leftward.
  • the column holding member 21 is fixed to the plate portion 12a, so that the displacement of the inner column 11 in the tilt direction is prevented for each column holding member 21.
  • the column holding member 21 is deformed so as to close the slit 21 e by being pressed through the plate portion 12 a, the inner diameter of the column holding member 21 shrinks, and the column holding member 21 presses the outer peripheral surface of the inner column 11. This also prevents the displacement in the telescopic (axial) direction.
  • the center line in the direction in which the tilt groove 12 b extends as shown in FIG. 4. (The line connecting the center of one end and the center of the other end of the tilt groove 12b)
  • the thinner plate portions 12a and 12a are welded to the main body 12e. Because of the connection, the plate portions 12a and 12a are easily bent while maintaining the rigidity of the main body 12e high.
  • the configuration of the bracket 12 has the advantage of improving operability while increasing the resonance point of the steering device.
  • the reinforcing plate 12 f perpendicular to the mounting surface of the main body 12 e of the bracket 12 improves the rigidity of the main body 12 and makes the plate portions 12 a and 12 a more flexible. ing. As shown in Fig. 14, by extending the reinforcing plate 12 ⁇ of the main body 12 downward, the rigidity of the main body 12 is further improved, and the plate portions 12 a and 12 a are more easily bent.
  • the rigidity can be adjusted arbitrarily by changing the shape and area of the notch 12p provided in the reinforcing plate 12f '.
  • the bracket 12 has a body mounting hole 12 c and a tilt groove 12 b of a plate portion 12 a for holding the inner column 11 in a tilt-adjustable manner.
  • the tilt column 12b forces the port 1 (portion) inserted through the body mounting hole 12c, which is separated in the axial direction.
  • the supporting rigidity of the steering device 10 can be effectively increased without increasing the weight of the steering device 10.
  • FIG. 7 is a side view of a tilt-telescopic type steering device according to the second embodiment, and FIG.
  • FIG. 8 is an enlarged view showing the vicinity of a bracket 1 12 of the steering device of FIG. 9 is a view of the configuration of FIG. 8 cut along the line IX-IX and viewed in the direction of the arrow.
  • FIG. 10 is a side view of the bracket 1 12
  • FIG. 11 is a front view of the bracket 1 12
  • FIG. 12 is a top view of the bracket 1 12.
  • the same components as those in the above-described embodiment are denoted by the same reference numerals, and description thereof will be omitted.
  • This embodiment is different from the above-described embodiment mainly in the shape of the bracket 112. More specifically, as shown in FIGS.
  • the bracket 112 includes a U-shaped main body 112 e fixed to the vehicle body and a main body 112 e. It comprises a pair of plate portions 1 1 2a and 1 1 2a.
  • the bracket 1 1 2 is formed by bending a single plate material. Therefore, the plate portions 1 1 2 a and 1 1 2 a have the same thickness as the main body 1 1 2 e. .
  • the cost can be reduced by forming the bracket 12 with a single plate material, but if the plate thickness is reduced, the plate portions 112a and 112a are easily bent.
  • the rigidity of the main body 1 1 2 e decreases and the resonance point increases.
  • the main body 1 1 2 e Rigidity is improved by forming ribs 112 g on the surface by press molding and forming bent portions 112 h at both lower ends.
  • a notch 1 1 2 j is formed on the upper edge side as a rigidity reduction section, and the main body 1 1 2 e Regardless of the BM raw-up, the plate sections 1 1 2a and 1 1 2a are easily bent.
  • the rigidity of the plate portions 1 1 2a and 1 1 2a has been reduced compared to the main body 1 1 2e of the bracket 1 1 2 so that the tilt groove 1 1 2b extends as shown in Fig. 10.
  • a hole provided in the reinforcing plate 112 f of the bracket 112 and a projection 21 k formed on the outer peripheral surface of the auta jacket 21 are provided. Between them, a coil panel 101 for tilt balance is arranged.
  • the bracket 1 1 2 rotates with respect to the column holding member 21, and the coil spring There is a risk that 101 will fall off. Therefore, in the present embodiment, the projection 1 12 k is projected downward from the lower edge of the reinforcing plate 1 1 2 f of the bracket 1 1 2, and the bracket 1 1 2 rotates with respect to the column holding member 21.
  • FIG. 13 is a side view similar to FIG. 10, showing brackets 1 1 2 according to a modification of the present embodiment.
  • the bracket 1 1 2 ′ according to the present modified example has an opening 1 1 2 between the main body 1 1 2 e and the plate portions 1 1 2 a, 1 1 2 as an Oka ij degraded portion instead of notching. Since only the point where ⁇ is provided is different, other detailed description is omitted.
  • the notch and the opening may be provided at the same time, and the number and position thereof can be set arbitrarily.
  • the present invention has been described in detail with reference to the embodiments. However, the present invention should not be construed as being limited to the above-described embodiments, and can be appropriately changed and improved without impairing the spirit thereof.
  • the slit of the column holding member may be formed on the lower side.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Controls (AREA)

Abstract

L'invention concerne un dispositif de commande permettant de réduire l'inconfort du conducteur. La rigidité des pièces de plaques (12a, 12a) d'une fixation (12) étant inférieure à celle de son corps (12e), la ligne centrale Q d'une rainure d'inclinaison (12b) dans le prolongement (ligne reliant le centre de la rainure d'inclinaison (12b) à une extrémité du centre à l'autre extrémité) est généralement parallèle à la ligne centrale P de la flexion des pièces de plaques (12a) lorsque lesdites pièces reçoivent une force s'exerçant entre une came fixe (18) et une came mobile (19) lorsqu'un levier de fonctionnement (20) tourne dans un sens de serrage. En conséquence, une force faisant plier les pièces de plaques (12a) n'est pratiquement pas modifiée entre un boîtier dans lequel un élément fixe (17) est placé à l'extrémité supérieure de la rainure d'inclinaison (12b) et un boîtier dans lequel l'élément fixe (17) est placé à l'extrémité inférieure. Il en résulte que l'on peut supprimer l'inconfort du conducteur qui actionne le levier de fonctionnement (20).
PCT/JP2004/015764 2003-10-20 2004-10-19 Dispositif de commande WO2005037627A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2005514884A JP4721428B2 (ja) 2003-10-20 2004-10-19 ステアリング装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2003358706 2003-10-20
JP2003-358706 2003-10-20

Publications (1)

Publication Number Publication Date
WO2005037627A1 true WO2005037627A1 (fr) 2005-04-28

Family

ID=34463317

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2004/015764 WO2005037627A1 (fr) 2003-10-20 2004-10-19 Dispositif de commande

Country Status (2)

Country Link
JP (1) JP4721428B2 (fr)
WO (1) WO2005037627A1 (fr)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007026118A2 (fr) * 2005-09-01 2007-03-08 Trw Limited Ensemble colonne de direction
WO2007026114A1 (fr) * 2005-09-01 2007-03-08 Trw Limited Colonne de direction
EP1920990A1 (fr) * 2006-11-10 2008-05-14 Fuji Autotech France SAS Colonne de direction de véhicule automobile
US7595330B2 (en) 2005-09-06 2009-09-29 Smithkline Beecham Corporation Benzimidazole thiophene compounds
JP2009298324A (ja) * 2008-06-13 2009-12-24 Nsk Ltd ステアリング装置
JP2010254234A (ja) * 2009-04-28 2010-11-11 Nsk Ltd ステアリング装置
EP2607206A2 (fr) 2011-12-21 2013-06-26 Jtekt Corporation Dispositif de direction à position réglable
WO2014112196A1 (fr) * 2013-01-15 2014-07-24 日本精工株式会社 Dispositif de direction du type à inclinaison
US9085320B2 (en) 2005-09-01 2015-07-21 Trw Limited Steering column assembly
EP3239018A1 (fr) 2016-04-28 2017-11-01 Jtekt Corporation Système de direction

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139778U (fr) * 1986-02-27 1987-09-03
JPH1035511A (ja) * 1996-04-18 1998-02-10 Etab Supervis 自動車用ステアリングコラム
JP2000247241A (ja) * 1999-03-01 2000-09-12 Nsk Ltd 車両用ステアリングコラムの支持装置
JP2003160051A (ja) * 2001-09-14 2003-06-03 Nsk Ltd 車両用衝撃吸収式ステアリングコラム装置

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139778A (ja) * 1985-12-16 1987-06-23 フラヴイオ・チゴリ−ニ 自転車のペダルに好適な身体的形態上安全な革帯
JPS6332066U (fr) * 1986-08-19 1988-03-01
JP2000062623A (ja) * 1998-08-19 2000-02-29 Toyota Motor Corp ステアリングコラムの支持構造
JP4147579B2 (ja) * 2002-01-17 2008-09-10 日本精工株式会社 ステアリング装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62139778U (fr) * 1986-02-27 1987-09-03
JPH1035511A (ja) * 1996-04-18 1998-02-10 Etab Supervis 自動車用ステアリングコラム
JP2000247241A (ja) * 1999-03-01 2000-09-12 Nsk Ltd 車両用ステアリングコラムの支持装置
JP2003160051A (ja) * 2001-09-14 2003-06-03 Nsk Ltd 車両用衝撃吸収式ステアリングコラム装置

Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8151667B2 (en) 2005-09-01 2012-04-10 Trw Lucas Varity Electric Steering Limited Steering column assembly
WO2007026114A1 (fr) * 2005-09-01 2007-03-08 Trw Limited Colonne de direction
WO2007026118A3 (fr) * 2005-09-01 2007-05-24 Trw Lucasvarity Electric Steer Ensemble colonne de direction
US9085320B2 (en) 2005-09-01 2015-07-21 Trw Limited Steering column assembly
WO2007026118A2 (fr) * 2005-09-01 2007-03-08 Trw Limited Ensemble colonne de direction
US7595330B2 (en) 2005-09-06 2009-09-29 Smithkline Beecham Corporation Benzimidazole thiophene compounds
EP1920990A1 (fr) * 2006-11-10 2008-05-14 Fuji Autotech France SAS Colonne de direction de véhicule automobile
FR2908376A1 (fr) * 2006-11-10 2008-05-16 Fuji Autotech France Sas Soc P Colonne de direction de vehicule automobile
JP2009298324A (ja) * 2008-06-13 2009-12-24 Nsk Ltd ステアリング装置
JP2010254234A (ja) * 2009-04-28 2010-11-11 Nsk Ltd ステアリング装置
EP2607206A2 (fr) 2011-12-21 2013-06-26 Jtekt Corporation Dispositif de direction à position réglable
US8997602B2 (en) 2011-12-21 2015-04-07 Jtekt Corporation Position adjustable steering device
EP2927092A1 (fr) 2011-12-21 2015-10-07 Jtekt Corporation Dispositif de direction a position reglable
WO2014112196A1 (fr) * 2013-01-15 2014-07-24 日本精工株式会社 Dispositif de direction du type à inclinaison
US9283983B2 (en) 2013-01-15 2016-03-15 Nsk Ltd. Tilt steering system
JP5962777B2 (ja) * 2013-01-15 2016-08-03 日本精工株式会社 チルト式ステアリング装置
EP3239018A1 (fr) 2016-04-28 2017-11-01 Jtekt Corporation Système de direction
JP2017197141A (ja) * 2016-04-28 2017-11-02 株式会社ジェイテクト ステアリング装置
CN107380250A (zh) * 2016-04-28 2017-11-24 株式会社捷太格特 转向装置
US9956984B2 (en) 2016-04-28 2018-05-01 Jtekt Corporation Steering system

Also Published As

Publication number Publication date
JP4721428B2 (ja) 2011-07-13
JPWO2005037627A1 (ja) 2006-12-28

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