WO2020116350A1 - ステアリング装置 - Google Patents

ステアリング装置 Download PDF

Info

Publication number
WO2020116350A1
WO2020116350A1 PCT/JP2019/046839 JP2019046839W WO2020116350A1 WO 2020116350 A1 WO2020116350 A1 WO 2020116350A1 JP 2019046839 W JP2019046839 W JP 2019046839W WO 2020116350 A1 WO2020116350 A1 WO 2020116350A1
Authority
WO
WIPO (PCT)
Prior art keywords
width direction
pair
support plate
column
tightening
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.)
Ceased
Application number
PCT/JP2019/046839
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
傑 杉下
勝 大澤
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.)
NSK Ltd
Original Assignee
NSK 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 filed Critical NSK Ltd
Priority to CN201980080246.5A priority Critical patent/CN113165684B/zh
Priority to DE112019006093.7T priority patent/DE112019006093T5/de
Priority to US17/299,915 priority patent/US11427243B2/en
Priority to JP2020559147A priority patent/JP7331865B2/ja
Publication of WO2020116350A1 publication Critical patent/WO2020116350A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • 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
    • B62D1/185—Steering columns yieldable or adjustable, e.g. tiltable adjustable by axial displacement, e.g. telescopically

Definitions

  • the present invention relates to a steering device for imparting a steering angle to steered wheels of a vehicle such as an automobile.
  • the steering device incorporated in vehicles such as automobiles transmits the movement of the steering wheel operated by the driver to the steering gear unit via the steering shaft, and gives steering angles to the left and right steered wheels.
  • the steering device is provided with a position adjusting mechanism that can adjust the position of the steering wheel according to the physique and driving posture of the driver.
  • the steering device 1 includes a steering shaft 2 to which a steering wheel (not shown) is fixed at the rear end, and a steering column 3 on which the steering shaft 2 is rotatably supported via a plurality of rolling bearings.
  • the front side portion of the steering column 3 is supported by the lower bracket 4, and the front-rear direction intermediate portion of the steering column 3 is supported by the upper bracket 5.
  • the lower bracket 4 and the upper bracket 5 are supported by the vehicle body 6.
  • An electric assist device 7 for reducing the force required to operate the steering wheel is arranged on the front side of the steering column 3.
  • the steering column 3 includes a rear side portion of the inner column 8 arranged at the front side and a front side portion of the outer column 9 arranged at the rear side in a relative displacement in the axial direction. It is configured so that the entire length can be expanded and contracted by being fitted so as to be able to.
  • the outer column 9 is supported so as to be movable in the front-rear direction with respect to the upper bracket 5.
  • the steering shaft 2 is configured by combining an inner shaft 10 and an outer shaft 11 so as to be able to transmit torque and extend and contract by spline engagement or the like.
  • the steering column 3 is supported with respect to the lower bracket 4 so as to be capable of swinging displacement about a tilt shaft 12 arranged in the width direction so that the vertical position of the steering wheel can be adjusted.
  • the outer column 9 is supported by the upper bracket 5 so as to be vertically movable.
  • the outer column 9 includes a sandwiched portion 13 arranged in the front half and a tubular portion 14 arranged in the rear half.
  • the sandwiched portion 13 is disposed on the upper side and has a substantially cylindrical column main body 15 on which the inner column 8 is fitted, and the lower portion is disposed on the lower side and is integrally provided with the column main body 15. And the reinforcing bridge portion 16 of.
  • the column body 15 has a front-back slit 17 extending in the front-back direction on the lower surface.
  • the column main body 15 includes a front circumferential slit 18 and a rear circumferential slit 19 that cross the front-rear slit 17 in the front and rear portions of the lower half portion in the circumferential direction.
  • the column main body portion 15 includes a pair of clamp portions 20 in a portion surrounded by the front-rear direction slit 17, the front circumferential slit 18 and the rear circumferential slit 19 on three sides.
  • the pair of clamp portions 20 includes a first tightening surface 22 at the lower end portion of the outer surface in the width direction, which receives a tightening force from the inner surface in the width direction of the pair of support plate portions 21 of the upper bracket 5.
  • the reinforcing bridge portion 16 is arranged so as to cover the pair of clamp portions 20 via a gap 23 having a substantially U-shape when viewed in the width direction, and includes a bottom plate portion 24, a front connecting portion 25, and a rear connecting portion 26. Equipped with.
  • the bottom plate portion 24 extends in the front-rear direction and the width direction, and a telescopic adjustment elongated hole 27 extending in the front-rear direction is formed below the pair of clamp portions 20 and constitutes a lower side of the substantially U-shaped gap 23. Be placed.
  • the bottom plate portion 24 includes a second tightening surface 28 at the lower side of both widthwise side surfaces, which receives a tightening force from the widthwise inner side surfaces of the pair of support plate portions 21.
  • the front connecting portion 25 connects the front end portion of the bottom plate portion 24 and a portion of the lower surface of the column main body portion 15 that is adjacent to the front side of the front circumferential slit 18.
  • the rear connecting portion 26 connects the rear end portion of the bottom plate portion 24 and a portion of the lower surface of the column main body portion 15 adjacent to the rear side of the rear circumferential slit 19.
  • the column main body portion 15 has a ridge portion 29 projecting outward in the width direction at a portion of both side surfaces in the width direction that overlaps the central axis of the outer column 9 in the vertical direction.
  • the ridge portion 29 is provided with a third tightening surface 30 at the tip end thereof, which receives a tightening force from the inner surface in the width direction of the support plate portion 21.
  • the widthwise distance W1 between the first tightening surfaces 22 and the second tightening surface 22 are
  • the upper bracket 5 includes a mounting plate portion 31 that is supported so as to be detachable forward with respect to the vehicle body 6, and a pair of flat plate-shaped support plate portions 21 that are arranged on both sides in the width direction of the held portion 13. ..
  • the pair of support plate portions 21 are provided with tilt adjusting slots 32 extending vertically.
  • the steering device 1 operates the adjustment lever 34 arranged at the end of the adjustment rod 33 which is inserted through the telescopic adjustment long hole 27 and the tilt adjustment long hole 32 in the width direction to expand or contract the axial dimension of the cam device 35. By doing so, the interval between the width direction inner side surfaces of the pair of support plate portions 21 is expanded or contracted. Thereby, the tightening force on the first tightening surface 22, the second tightening surface 28, and the third tightening surface 30 by the inner surfaces in the width direction of the pair of support plate portions 21 is adjusted.
  • the pair of clamp portions 20 elastically deforms inward in the width direction and sandwiches the outer peripheral surface of the inner column 8 from both sides in the width direction. To do. Therefore, it becomes impossible to adjust the position of the steering wheel.
  • the pair of clamp portions 20 elastically restore to reduce the force for holding the outer peripheral surface of the inner column 8. Therefore, the front-back position and the vertical position of the steering wheel can be adjusted within a range in which the adjustment rod 33 can move inside the telescopic adjustment long hole 27 and the tilt adjustment long hole 32.
  • the second tightening surface 28 and the third tightening surface 30 are provided in a portion having higher rigidity in the width direction than the clamp portion 20 in which the first tightening surface 22 is provided. Therefore, when the distance between the inner surfaces in the width direction of the pair of support plate portions 21 is reduced, the pair of clamp portions 20 can be largely bent in the width direction.
  • torque is applied to the outer column 9 such as when the steering wheel is operated with a large force while the steering lock device is operated, the outer column 9 is moved to the pair of support plate portions 21 by a second force. Torque can be transmitted through the tightening surface 28 and the third tightening surface 30. Therefore, the strength of the outer column 9 and the holding force of the inner column 8 are both ensured.
  • FIG. 26 shows an upper bracket 5a described in JP-A-2017-197178.
  • the pair of support plate portions 21a of the upper bracket 5a has a front reinforcing portion 36 extending in the vertical direction at the front end portion and a rear reinforcing portion 37 extending in the vertical direction at the rear end portion.
  • the upper end portion of the front reinforcing portion 36 is not connected to the lower surface of the mounting plate portion 31a of the upper bracket 5a and has a free end.
  • the upper end of the rear reinforcing portion 37 is not connected to the lower surface of the mounting plate portion 31a and has a free end.
  • the width direction inner side surfaces of the front-rear direction intermediate portions of the pair of support plate portions 21a are formed by flat surfaces without steps.
  • the pair of support plate portions 21a is provided with the front reinforcing portion 36 and the rear reinforcing portion 37 at both ends in the front-rear direction, thereby improving bending rigidity in the width direction. Therefore, by combining the upper bracket 5a with the outer column 9 shown in FIG. 24 and FIG. 25, the support rigidity in the width direction of the outer column 9 can be increased.
  • FIG. 27 shows a state before the pair of support plate portions 21a (one support plate portion) is not deformed, and the right half portion of FIG. 27 shows the pair of support plate portions 21a (the other support plate portion). The part after the deformation is exaggerated.
  • the outer column 9 operates the adjustment lever 34 because the second tightening surface 28 disposed below is located on the inner side in the width direction than the first tightening surface 22 and the third tightening surface 30. Then, when the axial dimension of the cam device 35 is expanded, as shown in the right half of FIG. 27, the pair of support plate portions 21a incline toward the inner side in the width direction toward the lower side. When the axial dimension of the cam device 35 is further expanded, the pair of support plate portions 21a have a width at a portion facing the third fastening surface 30 with the contact portion with the first fastening surface 22 as a fulcrum. It bends and deforms so that it opens outward in the direction.
  • a gap may occur between the third tightening surface 30 and the width-direction inner side surfaces of the pair of support plate portions 21a. If a gap is formed between the third tightening surface 30 and the widthwise inner side surfaces of the pair of support plate portions 21a, it becomes difficult to sufficiently secure the support rigidity of the outer column 9.
  • An object of the present invention is to provide a steering device in which the support rigidity in the width direction of the outer column by the support bracket is sufficiently secured.
  • the steering device of the present invention includes an inner column, an outer column, and a support bracket.
  • the outer column is arranged behind the inner column and is fitted onto the inner column so as to be capable of relative displacement in the axial direction.
  • the support bracket has a mounting plate portion supported by the vehicle body, and an upper end portion fixed to a lower surface of the mounting plate portion, and a pair of supporting plate portions arranged on both sides in the width direction of the outer column. Equipped with.
  • the outer columns are arranged on both sides in the width direction of the inner column, and are elastically deformed in the width direction to sandwich the inner column from both sides in the width direction, and a pair of clamp parts.
  • a first tightening surface, a second tightening surface, and a third tightening surface capable of receiving a tightening force from the inner surface in the width direction of the support plate portion.
  • the first tightening surface is arranged on the outer side surface in the width direction of the pair of clamp portions.
  • the second tightening surface is located below the first tightening surface in the outer column, and is arranged on both sides in the width direction of a portion having higher rigidity in the width direction than the pair of clamp portions. To be done.
  • the third tightening surface is located above the first tightening surface in the outer column, and is arranged on both sides in the width direction of a portion having higher rigidity in the width direction than the pair of clamp portions. To be done.
  • the width dimension between the first fastening surfaces and the width dimension between the third fastening surfaces are equal to each other and larger than the width dimension between the second fastening surfaces.
  • At least one support plate portion of the pair of support plate portions is arranged at both end portions in the front-rear direction, extends in the up-down direction, and has a free end at the upper end portion, and a middle portion in the front-rear direction.
  • a step portion having a side surface.
  • Both support plate portions of the pair of support plate portions may include the reinforcing portion and the step portion.
  • the at least one support plate portion is provided at an intermediate portion in the front-rear direction and includes an auxiliary step portion having a concave shape on the outer side in the width direction and a convex shape on the inner side in the width direction. It can be provided in part.
  • the outer column is provided with a telescopic adjustment elongated hole extending in the front-rear direction between the first tightening surface and the second tightening surface, and the pair of support plate portions are arranged in the vertical direction.
  • An elongated tilt adjusting hole is provided, and an adjusting rod is inserted through the telescopic adjusting elongated hole and the tilt adjusting elongated hole in the width direction, and the outer column has the adjusting rod with respect to the supporting bracket. It is movable in the up-down direction and the front-rear direction within a range where it can move inside the telescopic adjustment long hole and the tilt adjustment long hole, and the width direction inner side surface of the stepped portion of the outer column with respect to the support bracket. It can be arranged to be able to abut against the third tightening surface regardless of the supporting position.
  • the present invention provides a steering device in which the support rigidity of the outer column in the width direction is improved by the support bracket.
  • FIG. 1 is a side view showing a steering device of a first example of an embodiment of the present invention.
  • FIG. 2 is a bottom view showing the steering device of the first example.
  • FIG. 3 is a sectional view taken along the line AA of FIG.
  • FIG. 4 is a side view of an inner column, an outer column, and an upper bracket which constitute the steering device of the first example.
  • FIG. 5 is a perspective view of the inner column, the outer column, and the upper bracket of the first example as viewed from the lower side and the front side.
  • FIG. 6 is a perspective view of the inner column, the outer column, and the upper bracket of the first example as viewed from the lower side and the rear side.
  • FIG. 7 is a side view of the outer column of the first example.
  • FIG. 1 is a side view showing a steering device of a first example of an embodiment of the present invention.
  • FIG. 2 is a bottom view showing the steering device of the first example.
  • FIG. 3 is a sectional view taken
  • FIG. 8 is a sectional view taken along line BB of FIG.
  • FIG. 9 is a sectional view taken along line CC of FIG.
  • FIG. 10 is a perspective view of the outer column of the first example viewed from the upper side and the front side.
  • FIG. 11 is a side view of the upper bracket of the first example.
  • FIG. 12 is a bottom view of the upper bracket of the first example.
  • FIG. 13 is a view of the upper bracket of the first example viewed from the front side.
  • FIG. 14 is the figure which looked at the upper bracket of a 1st example from the rear side.
  • FIG. 15 is a sectional view taken along line DD of FIG.
  • FIG. 16 is an enlarged view of part E of FIG. FIG.
  • FIG. 17 is a perspective view of the upper bracket of the first example seen from the front side and the lower side.
  • FIG. 18 is a perspective view of the upper bracket of the first example as viewed from the rear side and the lower side.
  • FIGS. 19(A) to 19(C) explain the positional relationship between the width direction inner side surface of the step portion and the third tightening surface when the outer column is moved vertically with respect to the upper bracket.
  • FIG. 19(A) shows a neutral position of the outer column
  • FIG. 19(B) shows a case where the outer column is moved to the upper side
  • FIG. 19(C) shows the outer column downward. The case where it is moved to the side is shown.
  • FIG. 20(A) to 20(C) explain the positional relationship between the width direction inner side surface of the step portion and the third tightening surface when the outer column is moved in the front-rear direction with respect to the upper bracket.
  • FIG. 20(A) shows a neutral position of the outer column
  • FIG. 20(B) shows a case where the outer column is moved to the front side
  • FIG. 20(C) shows the outer column at the rear. The case where it is moved to the side is shown.
  • FIG. 21 is an enlarged view of part F in FIG.
  • FIG. 22 is a diagram corresponding to FIG. 8 and showing a first example of the reference example.
  • FIG. 23 is a side view showing a conventional steering device.
  • FIG. 24 is a side view of an outer column that constitutes a steering device having a conventional structure.
  • 25 is a sectional view taken along line GG of FIG.
  • FIG. 26 is a side view showing an upper bracket having a reinforcing portion, which constitutes a steering device having a conventional structure.
  • FIG. 27 is a cross-sectional view for explaining the deformation that occurs in the pair of support plate portions of the upper bracket, and the left half portion is the state before the deformation of one support plate portion of the pair of support plate portions. The right half part shows the state after the other support plate part is deformed.
  • the steering device 1a of this example is characterized by the structure of the inner column 8a, the outer column 9a, and the upper bracket 5b corresponding to the support bracket, which constitute the steering device 1a.
  • the inner column 8a is arranged on the front side (lower side), and the outer column 9a is arranged on the rear side (upper side) of the inner column 8a.
  • the front side portion of the outer column 9a is fitted onto the rear side portion of the inner column 8a so as to be capable of relative displacement in the axial direction, whereby the steering column 3a is configured.
  • the steering shaft 2a is rotatably supported inside the steering column 3a via a plurality of rolling bearings (not shown).
  • a steering wheel 38 is fixed to the rear end of the steering shaft 2a, which projects rearward from the rear end opening of the steering column 3a.
  • the front-rear direction, the width direction (left-right direction), and the up-down direction refer to the front-rear direction, the width direction (left-right direction), and the up-down direction of the vehicle with the steering device attached, unless otherwise specified.
  • a gear housing 39 forming the electric assist device 7a is arranged at the front end of the steering column 3a.
  • the gear housing 39 is supported with respect to the lower bracket 4a fixed to the vehicle body 6 (see FIG. 23) so as to be capable of swinging displacement about the tilt shaft 12a arranged in the width direction. Therefore, the steering column 3a can be pivotally displaced about the tilt shaft 12a.
  • An electric motor (not shown) is supported by the gear housing 39, and the output torque of the electric motor is applied to the steering shaft 2a via a reduction mechanism arranged inside the gear housing 39. As a result, the force required to operate the steering wheel 38 can be reduced.
  • the steering device 1a includes a tilt mechanism for adjusting the vertical position of the steering wheel 38 and a telescopic mechanism for adjusting the front-rear position according to the physique and driving posture of the driver.
  • the steering column 3a is configured to be expandable/contractible in its entire length by the relative displacement of the outer column 9a and the inner column 8a in the axial direction, and the outer column 9a is arranged with respect to the upper bracket 5b. It is supported so as to be movable in the front-back direction.
  • the steering shaft 2a is configured by combining an inner shaft 10a and an outer shaft 11a so as to be able to transmit torque and extend and contract by spline engagement or the like.
  • the steering column 3a is supported with respect to the vehicle body 6 so as to be capable of swinging displacement about the tilt shaft 12a, and the outer column 9a moves in the vertical direction with respect to the upper bracket 5b. Supported as possible.
  • the outer columns 9a are arranged on both sides of the inner column 8a in the width direction, and are elastically deformed in the width direction so as to sandwich the inner column 8a from both sides in the width direction, and a pair of upper brackets 5b.
  • a first tightening surface 22a, a second tightening surface 28a, and a third tightening surface 30a capable of receiving a tightening force from the inner side surfaces in the width direction of the pair of support plate portions 21b constituting the. Equipped with. More specifically, as shown in FIGS. 7 to 10, the outer column 9a is made of a light alloy such as an aluminum-based alloy or a magnesium-based alloy, and the clamped portion 13a arranged in the front half and carbon steel or the like.
  • a cylindrical portion 14a which is made of an iron-based alloy and is disposed in the rear half portion and is joined to the sandwiched portion 13a by casting in the axial direction.
  • the held portion 13a is supported by the upper bracket 5b so as to be movable in the front-rear direction and the vertical direction.
  • a substantially cylindrical column main body 15a to which the inner column 8a is fitted is provided on the upper side of the clamped portion 13a, and a substantially box-shaped reinforcing bridge portion 16a is provided on the lower side of the clamped portion 13a. It is provided integrally with 15a.
  • the sandwiched portion and the tubular portion can be integrally provided.
  • the column main body portion 15a has a thin portion 40 having an outer diameter smaller than that of a portion adjacent to both sides in the front-rear direction in the middle portion in the front-rear direction over the entire circumference.
  • thick-walled portions 41a and 41b having an outer diameter dimension larger than that of the thin-walled portion 40 are provided over the entire circumference.
  • the inner diameters of the thin portion 40 and the thick portions 41a and 41b are the same.
  • the thin-walled portion 40 and the thick-walled portions 41a and 41b also have substantially the same dimension in the front-rear direction.
  • An upper rib 42 extending in the front-rear direction is provided at the center of the upper surface of the thin portion 40 of the column main body portion 15a in the width direction so as to connect the thick-walled portions 41a and 41b that are separated in the front-rear direction.
  • a front-rear slit 17a extending in the front-rear direction is provided at the center of the lower surface of the column body 15a in the width direction.
  • the front-rear slit 17a is open at the front end surface of the column body 15a, but is not open at the rear end surface of the column body 15a.
  • the rear end of the front-rear slit 17a is located at the rear portion of the column main body 15a.
  • a front circumferential slit 18a and a rear circumferential slit 19a, which extend in the circumferential direction, are provided in the front portion and the rear portion of the lower half of the column body 15a. As shown in FIG.
  • the front circumferential slit 18a is formed so as to cross the front portion of the front-rear slit 17a in the circumferential direction, and the rear circumferential slit 19a defines the rear end of the front slit 17a. It is formed so as to cross the circumferential direction.
  • the front circumferential slit 18a is located in the front-rear intermediate portion of the front thick portion 41a, and the rear circumferential slit 19a is located in the front-rear intermediate portion of the rear thick portion 41b.
  • the circumferential end portions of the front circumferential slit 18a and the circumferential circumferential end portions of the rear circumferential slit 19a are located at portions substantially overlapping the central axis of the outer column 9a in the vertical direction.
  • the pair of clamp portions 20a is surrounded by the front-rear direction slit 17a, the front side circumferential slit 18a, and the rear side circumferential slit 19a on the three sides of the width direction inner side and the front side and the rear side. It is provided on both sides.
  • Below the pair of clamp portions 20a there are telescopic adjustment elongated holes 27a extending in the front-rear direction.
  • the pair of clamp portions 20a has a cantilever structure in which both front and rear ends are free ends and only the upper end is connected to the column body 15a. Therefore, the pair of clamp portions 20a has lower rigidity in the width direction than the other portions of the sandwiched portion 13a and is elastically deformable in the width direction. That is, the inner diameter of the pair of clamp portions 20a can be elastically expanded and contracted.
  • the pair of clamp parts 20a have inner peripheral surfaces in the form of partially cylindrical surfaces. As shown in FIG. 7, the front side portion of the pair of clamp portions 20a is formed of the rear side portion of the thick portion 41a, the front-rear direction intermediate portion thereof is formed of the thin portion 40, and the rear side portion thereof is formed of the thick portion 41b. The front part of the.
  • the pair of clamp portions 20a has a flat plate-shaped projecting plate portion 43 that protrudes outward in the width direction at the lower end portion of the width direction outer surface (outer peripheral surface).
  • the overhang plate portion 43 is arranged over the entire length of the pair of clamp portions 20a in the front-rear direction.
  • the flat surface-shaped tip surface (widthwise outer surface) of the overhang plate portion 43 constitutes the first tightening surface 22.
  • a flat plate shape connecting the upper surface of the overhang plate portion 43 and the width direction outer side surfaces of the pair of clamp portions 20a is formed.
  • Lateral ribs 44 are provided.
  • a plurality of lateral ribs 44 are arranged on both sides in the width direction and are separated in the front-rear direction.
  • the reinforcing bridge portion 16a has a function of improving the torsional rigidity of the outer column 9a, and is arranged so as to cover the pair of clamp portions 20a through a substantially U-shaped gap 23a when viewed in the width direction.
  • the reinforcing bridge portion 16a includes a bottom plate portion 24a, a front side connecting portion 25a, and a rear side connecting portion 26a, and has a substantially inverted mountain shape as viewed in the width direction, that is, a substantially trapezoidal shape having no upper side.
  • the bottom plate portion 24a has a substantially flat plate shape, is disposed below the pair of clamp portions 20a and is substantially parallel to the central axis of the outer column 9a, and extends in the front-rear direction and the width direction.
  • the lower side of the substantially U-shaped gap 23a existing between the bottom plate portion 24a and the lower end portions (overhanging plate portions 43) of the pair of clamp portions 20a constitutes the telescopic adjustment elongated hole 27a.
  • the front end portion of the telescopic adjustment elongated hole 27a opens to the lower end portion of the front circumferential slit 18a, and the rear end portion of the telescopic adjustment elongated hole 27a opens to the lower end portion of the rear circumferential slit 19a.
  • the front end portion of the bottom plate portion 24a is positioned slightly rearward of the front circumferential slit 18a, and the rear end portion of the bottom plate portion 24a is positioned slightly forward of the rear circumferential slit 19a.
  • Both side surfaces in the width direction of the flat surface of the bottom plate portion 24a form a second tightening surface (seating surface) 28a that receives a tightening force from the inner surface in the width direction of the support plate portion 21b.
  • the second tightening surface 28a is located below the first tightening surface 22a.
  • the bottom plate portion 24a on which the second tightening surface 28a is arranged has higher rigidity in the width direction than the overhanging plate portions 43 of the pair of clamp portions 20a on which the first tightening surface 22a is arranged. Equivalent to.
  • the front connecting portion 25a has a width dimension slightly shorter than that of the bottom plate portion 24a, and is adjacent to both widthwise side portions of the front end portion of the bottom plate portion 24a and the front side of the front circumferential slit 18a of the lower surface of the column main body portion 15a. Connect with the part you made.
  • the rear connecting portion 26a has a width dimension slightly shorter than that of the bottom plate portion 24a, and is adjacent to the rear end portion of the bottom plate portion 24a and the rear side of the rear circumferential slit 19a of the lower surface of the column main body portion 15a. Connect the parts.
  • a ridge portion 29a protruding outward in the width direction and extending in the front-rear direction is provided at a portion of both side surfaces in the width direction of the column main body portion 15a, which overlaps with the central axis of the outer column 9a in the up-down direction.
  • the flat end surface (width-direction outer surface) of the protruding portion 29a constitutes a third tightening surface 30a that receives a tightening force from the inner surface in the width direction of the support plate portion 21b.
  • the ridge portion 29a of the column main body portion 15a on which the third tightening surface 30a is arranged is wider than the protruding plate portion 43 of the pair of clamp portions 20a on which the first tightening surface 22a is arranged. It corresponds to a portion with high rigidity in the direction.
  • the first tightening surface 22a and the third tightening surface 30a are located on the same virtual plane, and also on the other side in the width direction, the first tightening surface 22a and the third tightening surface 22a
  • the fastening surface 30a of No. 3 is located on the same virtual plane.
  • the second tightening surface 28a is located on the inner side in the width direction than the first tightening surface 22a and the third tightening surface 30a on both sides in the width direction.
  • the front-rear dimension L1 of the first tightening surface 22a, the front-rear dimension L2 of the second tightening surface 28a, and the front-rear dimension L3 of the third tightening surface 30a are L1.
  • the relationship of ⁇ L2 ⁇ L3 is satisfied.
  • the first tightening surface 22a is located at the vertical center of the second tightening surface 28a and the third tightening surface 30a.
  • the first fastening surface 22a may be arranged offset to the second fastening surface 28a side (lower side) or the third fastening surface 30a side (upper side).
  • the front and rear direction center portion of the first tightening surface 22a, the front and rear direction center portion of the second tightening surface 28a, and the front and rear direction center portion of the third tightening surface 30a are respectively front and rear.
  • the directional positions coincide with each other.
  • the front-rear center of the first tightening surface 22a is the front side or the rear side with respect to the front-rear center of the second tightening surface 28a and the front-rear center of the third tightening surface 30a. It can also be offset to.
  • the upper bracket 5b has a function of supporting the outer column 9a with respect to the vehicle body 6.
  • the upper bracket 5b is made of a metal plate having sufficient rigidity such as steel or aluminum alloy, and has a mounting plate portion 31b and a pair of support plate portions 21b.
  • the thickness dimension (plate thickness) of the upper bracket 5b is about 2.0 mm to 4.0 mm. In this example, the thickness dimension of the upper bracket 5b is 2.6 mm.
  • the mounting plate portion 31b is normally supported with respect to the vehicle body 6, but in the event of a collision accident, the mounting plate portion 31b is separated forward based on the impact of the secondary collision, and allows the outer column 9a to be displaced forward. Therefore, the mounting plate portion 31b is locked to the locking capsule 45 supported and fixed to the vehicle body 6 so as to be detachable forward.
  • the mounting plate portion 31b includes a bridge portion 46 arranged in the center portion in the width direction and a pair of side plate portions 47 arranged on both sides in the width direction.
  • the bridge portion 46 has an inverted U-shaped cross-sectional shape and is arranged above the sandwiched portion 13a of the outer column 9a.
  • the bridge portion 46 includes a plurality (three in the illustrated example) of bracket ribs 48 that are arranged apart from each other in the front-rear direction. Due to the bracket ribs 48, the bridge portion 46 has higher rigidity than the pair of side plate portions 47.
  • Each of the side plate portions 47 of the pair of side plate portions 47 has a flat plate shape, and includes a locking cutout 49 for locking the locking capsule 45, which is opened at the rear end edge.
  • the upper ends of the pair of support plate portions 21b are fixed to the lower surfaces of both side portions in the width direction of the bridge portion 46, and are arranged substantially parallel to both widthwise sides of the sandwiched portion 13a of the outer column 9a.
  • Each of the support plate portions 21b of the pair of support plate portions 21b is formed of a plate-shaped member, and the support plate main body 50 is disposed in the front-rear direction intermediate portion, the front side reinforcement portion 36a is disposed in the front end portion, and the rear end portion.
  • the rear reinforcing portion 37a disposed on the upper portion and the welding ear portion 51 disposed on the upper end portion.
  • the support plate body 50 has a stepped plate shape that extends in the vertical direction and the front-back direction.
  • the support plate body 50 is formed by subjecting a part of a flat plate-shaped material having a constant plate thickness to press working such as surface pressing and punching.
  • the support plate body 50 has a substrate portion 52, a concave shape on the outer side in the width direction, a convex shape on the inner side in the width direction, and an inner side surface in the width direction.
  • the auxiliary step portion 54 has a concave shape on the outer side and a convex shape on the inner side in the width direction, but the amount of protrusion to the inner side in the width direction is smaller than the step portion 53, and the tilt adjusting elongated hole 32a penetrating in the width direction. Equipped with.
  • the auxiliary step portion 54 has a vertically long rectangular shape whose vertical dimension is longer than its longitudinal dimension, and is provided in a wide range of the support plate body 50. Specifically, the auxiliary step portion 54 is arranged in a range extending from the upper end portion of the support plate body 50 to the lower end portion and in a range extending from the front end portion to the rear end portion of the support plate body 50. Substrate parts are provided in a portion between the auxiliary step portion 54 and the front reinforcing portion 36a, a portion between the auxiliary step portion 54 and the rear reinforcing portion 37a, and a portion between the auxiliary step portion 54 and the welding ear 51. There are 52.
  • the substrate portion 52 exists in a portion surrounding the auxiliary step portion 54 on three sides, except below the auxiliary step portion 54.
  • the upper end position of the auxiliary stepped portion 54 substantially coincides with the upper end positions of the front reinforcing portion 36a and the rear reinforcing portion 37a.
  • the auxiliary step portion 54 is formed by subjecting the substrate portion 52 to surface pressing, and has a concave shape on the outer side in the width direction and a convex shape on the inner side in the width direction.
  • the flat-surface-shaped width-direction inner side surface of the auxiliary step portion 54 projects inward in the width-direction inner side than the width-direction inner side surface of the substrate portion 52, and is arranged substantially parallel to the width-direction inner side surface of the substrate portion 52. ..
  • the inner side surface of the auxiliary step portion 54 in the width direction opposes the first tightening surface 22a and the second tightening surface 28a in the width direction.
  • the tilt adjusting elongated hole 32a has a partial arc shape centered on the tilt shaft 12a and extends vertically.
  • the tilt adjusting elongated hole 32a is arranged at the intermediate portion in the vertical direction and the intermediate portion in the front-rear direction of the auxiliary step portion 54.
  • the widthwise outer side surface of the auxiliary stepped portion 54 functions as a seating surface of the driven side cam 62 and the pressing plate 60 that form the cam device 35a.
  • the step portion 53 has a horizontally long rectangular shape having a dimension in the front-rear direction longer than the dimension in the up-down direction, and is a part of the auxiliary step portion 54, more specifically, in this example, above the tilt adjusting slot 32a. It is arranged at the upper end of the auxiliary step portion 54.
  • the step portion 53 is formed by subjecting the auxiliary step portion 54 to surface pressing, and has a concave shape on the outer side in the width direction and a convex shape on the inner side in the width direction.
  • the flat inner surface in the width direction of the step portion 53 extends inward in the width direction with respect to the inner surface in the width direction of the auxiliary step portion 54, and is arranged substantially parallel to the inner surface in the width direction of the auxiliary step portion 54. It
  • the flat widthwise outer surface of the step portion 53 is recessed inward in the width direction with respect to the widthwise outer surface of the auxiliary step portion 54, and is arranged substantially parallel to the widthwise outer surface of the auxiliary step portion 54.
  • the height H1 of the step portion 53 is 0.1 mm. Therefore, the inner side surface in the width direction of the step portion 53 is the sum of the height H2 of the auxiliary step portion 54 and the height H1 of the step portion 53 (H1+H2, 0.6 mm in this example) from the inner side surface in the width direction of the substrate portion 52. ), only overhangs in the width direction.
  • the height H1 of the step portion 53 is smaller than the height H2 of the auxiliary step portion 54, but the height H1 of the step portion 53 can be made larger than the height H2 of the auxiliary step portion 54. , Can be the same as each other.
  • the upper end position of the stepped portion 53 is located slightly below the upper end positions of the front reinforcing portion 36a and the rear reinforcing portion 37a.
  • the range (shape and size) of the step portion 53 is regulated as follows. That is, in the steering device 1a of this example, the outer column 9a is moved in the vertical direction and the front-back direction with respect to the upper bracket 5b within a range in which the adjustment rod 33a can move inside the tilt adjusting long hole 32a and the telescopic adjusting long hole 27a. It is possible to move to. Therefore, the supporting position of the outer column 9a with respect to the upper bracket 5b changes in the up-down direction and the front-rear direction, respectively, but the inner surface in the width direction of the step portion 53 is the first tightening surface 22a regardless of the supporting position.
  • the range of the step portion 53 is regulated so as not to face the second tightening surface 28a in the width direction but to face the third tightening surface 30a only in the width direction. That is, even when the outer column 9a is moved in the up-down direction or the front-back direction with respect to the upper bracket 5b, the width-direction inner side surface of the step portion 53 always faces the third tightening surface 30a in the width direction.
  • the step portion 53 is arranged.
  • the range of the step portion 53 is regulated so that the inner surface in the width direction of the step portion 53 faces the third tightening surface 30a in the width direction over the entire length in the front-rear direction of the step portion 53. To be done.
  • the width direction inner side surface of the step portion 53 is the third tightening surface 30a within the range in which the diagonal pattern is added. Oppose to.
  • the step portion 53 faces the third tightening surface 30a in a wide range excluding the upper end and the lower end of the inner surface in the width direction.
  • the front reinforcing portion 36a arranged at the front end portions of the pair of support plate portions 21b and the rear reinforcing portion 37a arranged at the rear end portions of the pair of support plate portions 21b operate, for example, a steering lock device. Even when a torque (torsion torque) is applied from the outer column 9a to the pair of support plate portions 21b, such as when the steering wheel 38 is operated with a large force in such a state, the pair of support plate portions 21b are plastic. It has a function of preventing deformation. That is, the front reinforcing portion 36a and the rear reinforcing portion 37a increase the section modulus of the pair of supporting plate portions 21b, thereby improving the bending rigidity of the pair of supporting plate portions 21b in the width direction.
  • the front reinforcing portions 36a linearly extend in the vertical direction at the front end portions of the pair of support plate portions 21b.
  • the rear end of the front reinforcement portion 36 a is connected to the front end of the support plate body 50.
  • the upper end of the front reinforcement portion 36a is not connected to the bridge portion 46 and has a free end. Therefore, there is a slit 55 extending in the front-rear direction between the front reinforcement portion 36a and the welding ear portion 51.
  • the front reinforcing portion 36a is curved so that the width direction outer side is convex, and has a semi-arcuate cross-sectional shape. Therefore, the front end portion of the front reinforcing portion 36a faces the widthwise inner side.
  • the front end portion of the front-side reinforcing portion 36a is positioned outward in the width direction with respect to the width-direction inner side surfaces of the step portion 53 and the auxiliary step portion 54. Therefore, the front end portion of the front reinforcing portion 36 does not come into contact with the first tightening surface 22a, the second tightening surface 28a, and the third tightening surface 30a of the outer column 9a.
  • the rear reinforcing portion 37a extends in the vertical direction at the rear end of each of the pair of support plate portions 21b.
  • the rear reinforcing portion 37a is formed by bending the rear end portion of each support plate portion 21b toward the outer side in the width direction at a substantially right angle.
  • the front end of the rear reinforcing portion 37a is connected to the rear end of the support plate body 50.
  • the upper end of the rear reinforcing portion 37a is not connected to the bridge portion 46 and has a free end. Therefore, the rear reinforcement portion 37a is arranged rearward of the welding ear portion 51.
  • the upper half portion of the rear reinforcement portion 37a is arranged substantially parallel to the front reinforcement portion 36a and extends linearly in the vertical direction, but the lower half portion of the rear reinforcement portion 37a moves forward as it goes downward. Inclined in the direction.
  • the welding ears 51 are arranged at the upper ends of the pair of support plate portions 21b, and are inclined inward in the width direction as they go upward.
  • the welding ear portion 51 is welded and fixed in a state in which the widthwise outer surface is in surface contact with the lower surface of the widthwise outer portion of the bridge portion 46.
  • the lower end of the welding ear 51 is connected to the upper end of the support plate body 50.
  • the lower end of the welding ear 51 is not connected to the upper end of the front reinforcing part 36a and the upper end of the rear reinforcing part 37a.
  • the adjustment rod 33a is arranged in the width direction so as to pass through the telescopic adjustment long hole 27a and the tilt adjustment long hole 32a in the width direction.
  • the adjusting rod 33a includes a head portion 56 at one end portion (the left end portion in FIG. 3) and a male screw portion 57 in the other end portion (the right end portion in FIG. 3).
  • the adjustment lever 34a and the cam device 35a are arranged in order from the outer side in the width direction between the outer side surface of the one support plate portion 21b in the width direction.
  • the adjusting lever 34a and the cam device 35a constitute an expansion/contraction device, and the adjustment lever 34a is swung to expand/contract the axial dimension of the cam device 35a, thereby forming a pair of support plate portions. It is possible to increase or decrease the distance between the inner side surfaces of 21b in the width direction. As a result, the magnitude of the clamping force applied to the outer column 9a by the pair of support plate portions 21b is adjusted.
  • the cam device 35a is composed of a combination of a driving side cam 61 and a driven side cam 62.
  • the driving side cam 61 is arranged outside in the width direction
  • the driven side cam 62 is arranged inside in the width direction.
  • the base end portion of the adjusting lever 34a is fixed to the drive side cam 61 so as not to rotate relatively.
  • Both the driving side cam 61 and the driven side cam 62 are made of sintered metal and have an annular plate shape.
  • the drive-side cam 61 includes a drive-side cam surface 63, which is an uneven surface in the circumferential direction, on the inner surface in the width direction (right side surface in FIG. 3).
  • the driven side cam 62 is provided with a driven side cam surface 64, which is an uneven surface in the circumferential direction, on the outer side surface in the width direction (left side surface in FIG. 3).
  • the driven side cam 62 includes an engaging convex portion 65 having a substantially rectangular plate shape and protruding inward in the width direction on the inner surface in the width direction.
  • the engagement convex portion 65 of the driven side cam 62 engages with the tilt adjusting elongated hole 32a of the one supporting plate portion 21b only so as to be displaced along the tilt adjusting elongated hole 32a.
  • a pair of tension springs 66 are arranged on both sides of the pair of support plate portions 21b in the width direction.
  • One tension spring 66 of the pair of tension springs 66 is bridged between the one side plate portion 47 and the base end portion of the adjustment lever 34a, and the other tension spring 66 is arranged on the other side. It is bridged between the plate portion 47 and the pressing plate 60.
  • the pair of tension springs 66 prevent the steering column 3a from tilting so that the steering wheel 38 drops vigorously when the clamping force is released.
  • a steering lock device which is a type of vehicle antitheft device, is incorporated in the steering device 1a of this example.
  • a locking through hole 67 is provided in the tubular portion 14a of the outer column 9a.
  • a lock unit (not shown) is supported and fixed around the lock through hole 67, and a key lock collar (not shown) is press-fitted in a portion of the steering shaft 2a where the position in the front-rear direction coincides with the lock unit.
  • the tip of the lock pin that constitutes the lock unit is displaced radially inward and engages with the key lock recess provided on the outer peripheral surface of the key lock collar. ..
  • the rotation of the steering shaft 2a is substantially disabled.
  • the steering device 1a of this example moves the steering wheel 38 to a desired position and then moves the adjustment lever 34a in a predetermined direction (for example, upward) about the adjustment rod 33a. Rotate to. Thereby, the convex portion of the driving side cam surface 63 and the convex portion of the driven side cam surface 64 are abutted against each other, the axial dimension of the cam device 35a is expanded, and the inner side surfaces of the pair of support plate portions 21b in the width direction are made to face each other. The interval of is shortened.
  • the width-direction inner side surfaces of the pair of support plate portions 21b press the first tightening surface 22a, the second tightening surface 28a, and the third tightening surface 30a.
  • An intermediate portion in the up-down direction of the support plate portion 21b and the pair of clamp portions 20a elastically deform inward in the width direction to sandwich the outer peripheral surface of the inner column 8a from both sides in the width direction. As a result, the steering wheel 38 is held in the adjusted position.
  • the adjustment lever 34a When adjusting the position of the steering wheel 38, the adjustment lever 34a is swung in the direction opposite to the predetermined direction (for example, downward). As a result, the convex portions of the driving-side cam surface 63 and the convex portions of the driven-side cam surface 64 are alternately arranged in the circumferential direction, the axial dimension of the cam device 35a is reduced, and the pair of support plate portions 21b is formed. The distance between the inner surfaces in the width direction increases. As a result, the pressing force by the pair of support plate portions 21b is reduced, so that the pair of clamp portions 20a is elastically restored and the force by which the pair of clamp portions 20a holds the outer peripheral surface of the inner column 8a is reduced. To do. In this state, the front-back position and the vertical position of the steering wheel 38 can be adjusted within a range in which the adjustment rod 33a can move inside the telescopic adjustment long hole 27a and the tilt adjustment long hole 32a.
  • the support rigidity in the width direction of the outer column 9a by the upper bracket 5b is improved. That is, in this example, the pair of support plate portions 21b of the upper bracket 5b are provided with the auxiliary stepped portion 54 and the stepped portion 53 that project inward in the width direction. As shown in FIGS. 19(A) to 20(C), the width direction inner side surface of the step portion 53 is the third side regardless of the supporting position (vertical position and front-back position) of the outer column 9a with respect to the upper bracket 5b. It always faces the tightening surface 30a in the width direction.
  • each of the pair of support plate portions 21b uses the contact portion between the width direction inner side surface of the auxiliary step portion 54 and the first tightening surface 22a as a fulcrum.
  • the portion including the step portion 53 facing the fastening surface 30a of No. 3 tends to be flexibly deformed so as to open outward in the width direction.
  • the width direction inner side surface of the step portion 53 is the third side surface. It can abut against the fastening surface 30a. Therefore, it is possible to prevent a gap from being formed between the third tightening surface 30a and the width-direction inner side surfaces of the pair of support plate portions 21b. Therefore, the support rigidity in the width direction of the outer column 9a by the upper bracket 5b can be improved.
  • the step portion 53 is arranged in the portion where the auxiliary step portion 54 is provided, and each width-direction inner side surface of the pair of support plate portions 21b has a structure that projects inward in the width direction in two steps. .. Therefore, as compared with the case where only the stepped portion is provided without providing the auxiliary stepped portion and the stepped portion is overhanged by the same amount (H1+H2) as in this example, the thickness of each of the pair of support plate portions 21b is increased. Is partially prevented from becoming too small. Specifically, the plate thickness of each of the pair of support plate portions 21b becomes smaller at the portion where the step is generated, but in this example, since the step is provided in two stages, the plate thickness is partially reduced. The degree to which it becomes small is suppressed. Also from this aspect, the rigidity of the pair of support plate portions 21b is ensured.
  • the upper ends of the front reinforcing portion 36a and the rear reinforcing portion 37a provided at the front and rear ends of the pair of support plate portions 21b have free ends, and are not connected to the bridge portion 46. Therefore, it is possible to prevent the pair of support plate portions 21b from being easily bent and deformed inward in the width direction due to the provision of the front reinforcing portion 36a and the rear reinforcing portion 37a.
  • the welding ears 51 provided on the upper end portions of the pair of support plate portions 21b are welded and fixed to the lower surface of the width direction outer side portion of the bridge portion 46.
  • the rigidity of the bridge portion 46 is higher than the rigidity of the side plate portion 47. Therefore, even if the accuracy of the side plate portion 47 or the mounting surface of the vehicle body 6 is not sufficiently high, the influence of this accuracy is prevented from affecting the pair of support plate portions 21b.
  • Second tightening surface 28a and third tightening surface 30a for transmitting torque acting on 9a to the inner surface in the width direction of support plate portion 21b of upper bracket 5b are provided separately and independently. ing. That is, the first tightening surface 22a does not need to have a function of transmitting torque to the inner surface in the width direction of the support plate portion 21b. Therefore, the pair of clamp portions 20a need only exhibit the function of sandwiching the inner column 8a, and need not secure strength more than necessary.
  • the clamp portion 20a can be largely bent in the width direction.
  • the second tightening surface 28a and the third tightening surface 30a do not need to be largely bent in the width direction, and it is sufficient if the function of transmitting torque can be exhibited.
  • the steering device 1a of this example it is possible to ensure both the strength of the outer column 9a and the holding force of the inner column 8a.
  • the inner side surfaces of the auxiliary stepped portions 54 forming the pair of support plate portions 21b have the width in the state where the pair of clamp plate portions 20a are bent by the inner side surfaces of the pair of support plate portions 21b in the width direction. It abuts on the second tightening surface 28a and the third tightening surface 30a which have high rigidity in the direction. Therefore, the support rigidity of the outer column 9a by the pair of support plate portions 21b is enhanced.
  • the structure of the clamped portion 13b of the outer column 9b is devised so that the pair of support plate portions 21a (not shown) of the upper bracket 5a have a stepped portion as in the conventional structure shown in FIG. It has a flat plate shape. That is, the pair of support plate portions 21a has flat planar inner surfaces in the width direction.
  • the protrusion amount of the protruding portion 29b provided on the column main body portion 15a outward in the width direction is larger than that in the first example of the embodiment of the present invention.
  • the widthwise distance W1 between the first tightening surfaces 22a is W1.
  • the widthwise distance W2 between the second tightening surfaces 28a and the widthwise distance W3 between the third tightening surfaces 30b satisfy the relationship of W3>W1>W2. Therefore, on both sides in the width direction, the third tightening surface 30b is located on the outer side in the width direction than the first tightening surface 22a and the second tightening surface 28a.
  • the flat inner surface in the width direction of the pair of support plate portions 21a can abut against the third tightening surface 30b. Therefore, the support rigidity in the width direction of the outer column 9b by the upper bracket 5a is improved.
  • Other configurations and operational effects are the same as those of the first example of the embodiment of the present invention.
  • the shapes of the front side reinforcing portion and the rear side reinforcing portion are not limited to those shown in the embodiment, and the support plate portion such as that described in JP-A-2017-197178 can be used. Other shapes can be adopted as long as the section modulus of can be increased. Further, in the first example of the embodiment of the present invention, the support plate main body that constitutes the pair of support plate parts is provided with the auxiliary step portion, and the step portion is arranged in the auxiliary step portion, and The structure that overhangs in two steps is adopted.
  • auxiliary step portion is omitted, only the step portion is provided, and only one step overhangs inward in the width direction. It is also possible to adopt a structure in which three or more stages are projected. Further, the range of formation of the auxiliary stepped portion and the stepped portion is not limited to the range described in the first example of the embodiment of the present invention, and can be appropriately changed. In addition, in the first example of the embodiment of the present invention, a structure in which a step portion is provided in each of the pair of support plate portions forming the support bracket is adopted.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Steering Controls (AREA)
PCT/JP2019/046839 2018-12-05 2019-11-29 ステアリング装置 Ceased WO2020116350A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201980080246.5A CN113165684B (zh) 2018-12-05 2019-11-29 转向装置
DE112019006093.7T DE112019006093T5 (de) 2018-12-05 2019-11-29 Lenkvorrichtung
US17/299,915 US11427243B2 (en) 2018-12-05 2019-11-29 Steering device
JP2020559147A JP7331865B2 (ja) 2018-12-05 2019-11-29 ステアリング装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018-227842 2018-12-05
JP2018227842 2018-12-05

Publications (1)

Publication Number Publication Date
WO2020116350A1 true WO2020116350A1 (ja) 2020-06-11

Family

ID=70974193

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/046839 Ceased WO2020116350A1 (ja) 2018-12-05 2019-11-29 ステアリング装置

Country Status (5)

Country Link
US (1) US11427243B2 (https=)
JP (1) JP7331865B2 (https=)
CN (1) CN113165684B (https=)
DE (1) DE112019006093T5 (https=)
WO (1) WO2020116350A1 (https=)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230132450A1 (en) * 2020-03-30 2023-05-04 Nsk Ltd. Steering device
JP2023131680A (ja) * 2022-03-09 2023-09-22 日本精工株式会社 ステアリング装置用支持ブラケット及びステアリング装置

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7484323B2 (ja) * 2020-03-30 2024-05-16 日本精工株式会社 ステアリング装置

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203544097U (zh) * 2013-11-14 2014-04-16 安徽江淮汽车股份有限公司 一种转向管柱的安装支架
KR20160092658A (ko) * 2015-01-28 2016-08-05 주식회사 만도 자동차의 조향 컬럼
JP2017132323A (ja) * 2016-01-26 2017-08-03 日本精工株式会社 ステアリングホイールの位置調節装置
US20170313343A1 (en) * 2016-04-28 2017-11-02 Mando Corporation Steering apparatus for vehicle
JP2017197178A (ja) * 2016-04-22 2017-11-02 日本精工株式会社 ステアリング装置用支持ブラケット及びステアリング装置
JP2018130996A (ja) * 2017-02-13 2018-08-23 株式会社ジェイテクト ステアリング装置
CN108622179A (zh) * 2018-06-28 2018-10-09 新乡艾迪威汽车科技有限公司 一种新型电动转向管柱高度调节座
JP2019093737A (ja) * 2017-11-17 2019-06-20 株式会社山田製作所 ステアリング装置
WO2019189471A1 (ja) * 2018-03-27 2019-10-03 日本精工株式会社 ステアリング装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5382066B2 (ja) * 2011-06-03 2014-01-08 日本精工株式会社 ステアリング装置
JP6044259B2 (ja) * 2012-10-22 2016-12-14 日本精工株式会社 チルト式ステアリング装置
WO2016186149A1 (ja) 2015-05-19 2016-11-24 日本精工株式会社 ステアリング装置
WO2017068804A1 (ja) * 2015-10-21 2017-04-27 日本精工株式会社 テレスコピックステアリングコラム及びステアリング装置
CN105711637B (zh) * 2016-04-07 2017-11-28 重庆长安汽车股份有限公司 一种转向管柱角度调节机构
CN106004979B (zh) * 2016-07-12 2019-05-03 广州汽车集团股份有限公司 一种转向管柱的四向调节机构

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203544097U (zh) * 2013-11-14 2014-04-16 安徽江淮汽车股份有限公司 一种转向管柱的安装支架
KR20160092658A (ko) * 2015-01-28 2016-08-05 주식회사 만도 자동차의 조향 컬럼
JP2017132323A (ja) * 2016-01-26 2017-08-03 日本精工株式会社 ステアリングホイールの位置調節装置
JP2017197178A (ja) * 2016-04-22 2017-11-02 日本精工株式会社 ステアリング装置用支持ブラケット及びステアリング装置
US20170313343A1 (en) * 2016-04-28 2017-11-02 Mando Corporation Steering apparatus for vehicle
JP2018130996A (ja) * 2017-02-13 2018-08-23 株式会社ジェイテクト ステアリング装置
JP2019093737A (ja) * 2017-11-17 2019-06-20 株式会社山田製作所 ステアリング装置
WO2019189471A1 (ja) * 2018-03-27 2019-10-03 日本精工株式会社 ステアリング装置
CN108622179A (zh) * 2018-06-28 2018-10-09 新乡艾迪威汽车科技有限公司 一种新型电动转向管柱高度调节座

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230132450A1 (en) * 2020-03-30 2023-05-04 Nsk Ltd. Steering device
US11912333B2 (en) * 2020-03-30 2024-02-27 Nsk Ltd. Steering device
JP2023131680A (ja) * 2022-03-09 2023-09-22 日本精工株式会社 ステアリング装置用支持ブラケット及びステアリング装置
JP7842589B2 (ja) 2022-03-09 2026-04-08 Ｎｓｋステアリング＆コントロール株式会社 ステアリング装置用支持ブラケット及びステアリング装置

Also Published As

Publication number Publication date
JPWO2020116350A1 (ja) 2021-11-04
CN113165684B (zh) 2023-03-10
DE112019006093T5 (de) 2021-08-26
CN113165684A (zh) 2021-07-23
US11427243B2 (en) 2022-08-30
US20220032989A1 (en) 2022-02-03
JP7331865B2 (ja) 2023-08-23

Similar Documents

Publication Publication Date Title
JP7160159B2 (ja) ステアリング装置用支持ブラケット及びステアリング装置
EP2535239B1 (en) Steering apparatus
US9145161B2 (en) Outer column for telescopic steering apparatus
CN105026243A (zh) 伸缩式转向装置及外柱
JP7409317B2 (ja) アウタコラムおよびステアリング装置
WO2016186144A1 (ja) テレスコピック式ステアリング装置
WO2020116350A1 (ja) ステアリング装置
WO2013051441A1 (ja) ステアリングコラム装置
WO2014112196A1 (ja) チルト式ステアリング装置
US11970205B2 (en) Steering column device
EP1533201B1 (en) Steering column device
JP2017054156A (ja) 車両用操作ペダル装置
JP6759786B2 (ja) ステアリング装置用支持ブラケット及びステアリング装置
JP5067252B2 (ja) ステアリング装置の製造方法
JP2014015120A (ja) 電動パワーステアリング装置
JP7842589B2 (ja) ステアリング装置用支持ブラケット及びステアリング装置
JP7681887B2 (ja) ステアリングコラムおよびステアリング装置
JP6668619B2 (ja) テレスコピック式ステアリングコラム装置
JP5966700B2 (ja) 電動パワーステアリング装置
US11511788B2 (en) Steering column and steering device
WO2020085243A1 (ja) ステアリングコラムおよびステアリング装置
JP2000038141A (ja) ステアリング装置
JP2023169007A (ja) ステアリング装置
JP2016155394A (ja) テレスコピックステアリング装置用アウタコラム及びテレスコピックステアリング装置

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: 19892900

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2020559147

Country of ref document: JP

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 19892900

Country of ref document: EP

Kind code of ref document: A1