WO2005021355A1 - 車両用位置調整式ステアリングコラム装置 - Google Patents
車両用位置調整式ステアリングコラム装置 Download PDFInfo
- Publication number
- WO2005021355A1 WO2005021355A1 PCT/JP2004/012896 JP2004012896W WO2005021355A1 WO 2005021355 A1 WO2005021355 A1 WO 2005021355A1 JP 2004012896 W JP2004012896 W JP 2004012896W WO 2005021355 A1 WO2005021355 A1 WO 2005021355A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- column
- tightening
- bush
- pair
- peripheral surface
- 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
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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
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/192—Yieldable or collapsible columns
Definitions
- a vehicle position in which an outer column and an inner column are slidably fitted to each other, and a position of the inner column can be adjusted by reducing an inner peripheral surface of the outer column.
- the present invention relates to an adjustable bright steering column device.
- a telescopic steering column device capable of adjusting the axial position of the steering wheel according to the driver's physique, driving posture, etc.
- an inner column on which a steering wheel or the like is mounted is telescopically slidable with respect to an outer column fixed to a vehicle body.
- one 6 0 9 8 2 JP Ya Hei 1 0 5 3 1 4 4 discloses a ⁇ Songs one column, between the inner column, resin bush (made of resin Color ) Is interposed, and the resin bush is fixed to the inner peripheral surface of the outer column in the axial direction by a protrusion or the like formed on a push.
- the inner column can slide on the inner peripheral surface of the resin bush, so that the telescopic sliding can be performed relatively smoothly.
- the outer column is increasingly integrated with other functional parts using relatively soft materials such as aluminum or magnesium.
- relatively soft materials such as aluminum or magnesium.
- normal telescopic operation does not cause much problem, but the collapsing force is applied to the steering system in the direction of bending, such as in a collision. (Energy absorption) performance is increasingly required for telescopic functions.
- the present invention has been made in view of the circumstances described above, and has excellent workability and assemblability, can be securely fixed to an outer column or the like, and can be used for telescopic and collabs sliding. It is an object of the present invention to provide a vehicle position-adjustable steering column device capable of smoothing and stabilizing basic performance such as mobility.
- the present invention provides an outer column, an inner column slidably fitted to the outer column, an inner peripheral surface of the outer column, and an outer peripheral surface of the inner column.
- An iron push fitted to at least one of the inner peripheral surface and the outer peripheral surface of the inner column, and by expanding and contracting the diameter of the inner peripheral surface of the outer column, the relative distance between the inner column and the outer column is increased.
- a vehicle steering column device for adjusting a position.
- the iron bush is folded at at least one end of the outer column and the inner column.
- a groove is provided on at least one of a part of an inner peripheral surface of the outer column and a part of an outer peripheral surface of the inner column, and a protrusion engageable with the groove on the iron push. Is provided.
- the vehicle steering column device further includes a position adjusting clamp mechanism, wherein the position adjusting clamp mechanism is formed on the outer column, faces each other via a slit, and encloses the inner column. And a pair of clamps for reducing and expanding the diameter to tighten and release the inner column; A pair of tightening ports provided on both sides of the clamp portion and arranged in a direction intersecting the axis of the steering shaft, and one tightening port corresponding to the swing of the operation lever, the one tightening port A tightening mechanism for moving the tightening mechanism in the release direction, and a ring-shaped mechanism provided radially outside the outer column so as to connect the pair of tightening ports, and one of the tightening ports is tightened by the tightening mechanism. And a tension member for moving the other tightening bolt in the tightening direction or in the releasing direction when moving in the tightening direction or in the releasing direction.
- the vehicle steering column device further includes a position adjusting clamp mechanism, and the position adjusting clamp mechanism is formed in the outer column so as to face each other via a slit and to be thick.
- a pair of thick-walled clamps for enclosing the inner column, and reducing and expanding the diameter to tighten and release the inner column; and a pair of the thick-walled clamps penetrating the inner column.
- a tightening mechanism for moving the tightening bolt in the tightening direction or the releasing direction in response to the swing of the operation lever.
- the iron bush includes a flange, and the flange engages with at least one end of the outer column and the inner column.
- the vehicle steering column device further includes a stopper for restricting relative movement of the iron push with respect to the outer column or the inner column.
- FIG. 1 is a side view of a vehicle tilt / telescopic steering column device according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along the line II-II of FIG.
- FIG. 3 is a cross-sectional view taken along the line III-III in FIG.
- FIG. 4 is a side view of a vehicle tilt / telescopic steering column device according to a second embodiment of the present invention.
- FIG. 5 is a cross-sectional view taken along line VV of FIG.
- FIG. 6 is a cross-sectional view of a tilt / telescopic steering column device for a vehicle according to a third embodiment of the present invention.
- FIG. 7 (a) is a plan view of a cylindrical metal bush
- FIG. 7 (b) is a longitudinal sectional view in a state where a metal push is fitted between the lower column and the inner column.
- FIG. 8A is a longitudinal sectional view of a tilt-telescopic steering column device for a vehicle according to a fourth embodiment of the present invention
- FIG. 8B is a side view of an iron bush
- FIG. 9 is a side view of an iron bush according to a modification.
- FIG. 9 (a) is a longitudinal sectional view of a vehicle tilt / telescopic type steering column device according to a fifth embodiment of the present invention
- FIG. 9 (b) is a sectional view of an iron bush.
- FIG. 10 (a) is a longitudinal sectional view of a vehicle tilt / telescopic steering column device according to a sixth embodiment of the present invention
- FIG. 10 (b) is a sectional view of an iron bush.
- FIG. 11 (a) is a longitudinal sectional view of a vehicle tilt 'telescopic type steering column device according to a seventh embodiment of the present invention, and (b) is a side view of an iron bush.
- FIG. 12 (a) is a longitudinal sectional view of a vehicle tilt'telescopic steering column device according to an eighth embodiment of the present invention, and (b) is a partial sectional view according to a modification.
- FIG. 13 is a longitudinal sectional view of a vehicle steering column device according to a ninth embodiment of the present invention.
- FIG. 14A is a cross-sectional view of a main part according to a first modification of the ninth embodiment
- FIG. 14B is a cross-sectional view of a main part according to a second modification of the ninth embodiment. It is.
- FIG. 1 is a side view of a vehicle tilt / telescopic steering column device according to a first embodiment of the present invention.
- FIG. 2 is a cross-sectional view taken along line II-II of FIG.
- FIG. 3 is a cross-sectional view taken along the line III-III of FIG.
- the first embodiment is of a tilt-telescopic type
- the clamping position is a type of clamping at a position below the inner column.
- the steering column consists of a lower column 1 (outer column) fixed to the vehicle body and an upper column 2 (inner column) fitted slidably telescopically to the lower column 1. And can be contracted.
- the lower column 1 is made of aluminum, and the upper column 2 is made of iron or aluminum.
- a steering shaft 3 is rotatably provided in both columns 1 and 2, and is rotatably supported by bearings 4 of upper column 2.
- the steering shaft 3 and the bearing 4 are fixed by a retaining ring 4a.
- the lower column 1 is provided with an electric power steering device 5 (EPS).
- EPS electric power steering device 5
- the electric power steering device 5 includes an electric motor 6, a reduction mechanism (not shown), an output shaft 8, and the like. .
- the speed reduction mechanism is surrounded by a housing 7. Further, the lower column 1 and the housing 7 are formed integrally.
- the lower column 1 is supported on the vehicle body by a lower vehicle body side bracket 9 at a side portion of the housing 7, and the lower vehicle body side bracket 9 is provided with a chinoleto pivot 10.
- the lower vehicle body-side bracket 9 has a vehicle body mounting portion 9a for mounting on the vehicle body.
- an upper vehicle body-side bracket 11 is provided at the rear of the lower column 1.
- This upper vehicle body-side placket 11 is used to attach to the vehicle body via capsules 12 and 12 for detachment at the time of a secondary collision.
- a pair of long slots for tilt 15 and 15 are formed in the pair of opposed flat plates 14 and 14, respectively.
- the upper vehicle body side bracket 11 is provided with a tilt / telescopic clamp mechanism.
- the lower column 1 is formed thickly in the column radial direction and the vehicle width direction through the slit s, encloses the upper column 22, reduces the diameter and increases the diameter, and tightens and releases the upper column 2.
- a pair of thick-walled clamp portions 20 and 20 are provided.
- a pair of through holes 21 and 21 are formed in the pair of clamp portions 20 and 20, respectively. Tightening bolts 22 pass through the through holes 21, 21, and their heads 22 a are engaged with long holes 26 a of a friction plate 26, which will be described later, and are always in a non-contact state. It is configured to rotate.
- An adjusting nut 23 is screwed onto the screw side of the tightening port 22, and the ends of the operation lever 24 are fitted to the adjusting nut 23 with tapered surfaces. It is screwed and fixed with mounting bolts 25.
- a multi-plate friction engagement mechanism is used. That is, the friction plates 26, 26,... For tilting are fixed to the outer surfaces of the opposing flat plate portions 14, 14 by a pair of upper and lower rivets 27, 28, respectively. Between these friction plates 26, 26 ... are interposed friction plates 29, 29 ... for telescopic.
- the tilting friction plates 26, 26 ... have elongated holes 26a ... corresponding to the tilting long holes 15 and the telescopic friction plates 29, 29, ... ⁇ Has a long hole 29a ... corresponding to the telescopic adjustment range.
- the friction plates 29, 29,... and the upper column 2 are relatively immovable.
- a block 30 is fixed to the lower side of the upper column 2 (inner column) by welding or the like, and a through hole 31 is formed in the block 30.
- the nut 33 is screwed and fixed via the telescopic friction plates 29, 29,... Described above.
- the lower column 1, the upper column 2, the steering shaft 3 and the like can be rotated around the tilt pivot 10 to adjust the tilt.
- the upper column 2 inner column
- the steering shaft 3 and the like slide in the axial direction with respect to the pair of widened clamp portions 20 and 20 (that is, the lower column 1 (outer column)). This allows for telescopic adjustment.
- the friction plate 29 is attached to the upper column 2 on the telescopic sliding side via the block 30, etc., the long holes 29a and 29a for the telescopic are tightened by the tightening port.
- the abutment with 22 serves as a stopper for defining the telescopic sliding range.
- the pair of clamp portions 20 and 20 can press and hold the upper column 2 (inner column), and can perform tilt and telescopic tightening.
- a cylindrical iron bush B is fitted (press-fitted) on the inner peripheral surface of the lower column 1 (outer column). It has a flange Ba turned back at the end of the column 1. The flange B a is engaged with the edge of the mouth column 1 (outer column) to prevent the bush B from getting under.
- the upper column 2 moves back and forth (telescopic adjustment) by telescopic operation.
- the sliding contact surface is formed between the inner surface of the bush B and the outer surface of the upper column 2.
- FIG. 4 is a side view of a vehicle tilt / telescopic steering column device according to a second embodiment of the present invention.
- FIG. 5 is a cross-sectional view taken along line V_V in FIG.
- the second embodiment is a tilt-telescopic type as shown in FIGS. 4 and 5, and its clamping position is set so as to substantially intersect the axis of the steering shaft. It is composed.
- lower column 1 is made of aluminum
- upper column 2 is made of iron or aluminum.
- an upper vehicle body-side bracket 11 is provided at the rear of the lower column 1. This upper vehicle body-side bracket 11 is attached to the vehicle body via the capsules 12 and 12 for detachment during a secondary collision.
- a pair of vehicle body mounting portions 13, 13, and these vehicle body mounting portions are provided at the rear of the lower column 1.
- a pair of opposed flat plate portions 14, 14 extending substantially vertically from 13 and 13 and facing each other.
- a pair of elongated slots 15 and 15 are formed in the pair of opposed flat plate portions 14 and 14, respectively.
- the upper vehicle body side bracket 11 is provided with a tilt / telescopic clamp mechanism.
- Two pairs of clamps 41, 41 (42, 42) are provided in the vehicle longitudinal direction of these half bodies 40, 40, and these two pairs of clamps 41, 41 (42, 42) are provided. Between them, there are slits S, S (slit).
- the width of the pair of opposed flat plate portions 14, 14 of the upper vehicle body side bracket 11 is reduced, and when the two pairs of clamp portions 41, 41 (42, 42) are pressed so as to be close to each other, the lower Column 1 (the pair of halves 40, 40) is reduced in diameter so that the upper column 2 is tightened.
- a substantially annular tension member 43 is provided on the outer periphery of the pair of left and right half bodies 40, 40 and between the two pairs of clamp portions 41, 41 (42, 42) in the vehicle longitudinal direction.
- the substantially annular tension member 43 includes a pair of half bodies 43a, 43a, and is fixed to each other by a pair of ports 43b, 43b.
- a screw portion of a tightening port 48 is screwed and stopped via a cam mechanism including a pair of cam members 44 and 45, an operation lever 46, and a thrust bearing 47. I'm wearing it. Also, on the opposite side of the tension member 43, The bolt 49 is screwed into place.
- the cam mechanism rotates together with the operation lever 46 and has a first force member 44 having a peak and a valley, and a ridge engaging with the peak and the valley of the first cam member 44. And a non-rotating second cam member 45 having a valley portion.
- the first cam member 44 rotates integrally with the operation lever 46.
- a multi-plate friction engagement mechanism is used. That is, the friction plates 26, 26,... For tilting are fixed to the outer surfaces of the opposing flat plate portions 14, 14 by a pair of upper and lower rivets 27, 28, respectively. Between these friction plates 26, 26 ..., there are interposed friction plates 29, 29 ... for telescopic. Slots 26a ... are formed in the tilting friction plates 26, 26 ... in correspondence with the long holes 15 for tilting, and the telescopic friction plates 29, 29 ... The hole 29a ... is formed corresponding to the telescopic adjustment range.
- the friction plate 29 is integrally fixed to the upper column 2 by bolts 32 as in the first embodiment.
- the second cam member 45 has a projection 45 a that engages with the long slot for tilt 26 a of the tilt friction plate 26, and cannot rotate relative to the friction plate 26. However, tilt sliding is free.
- both fastening ports 48, 49 are engaged with the telescopic slots 50, 50 formed in the upper column 2, and these telescopic slots 50, 50 are The contact with the distal ends of the tightening ports 48, 49 functions as a stopper that defines the telescopic sliding range.
- the driver when performing tilt / telescopic adjustment, the driver first turns the operation lever 46 in one direction. Then, the first cam member 44 integrally engaged with the operation lever 46 rotates relative to the second cam member 45, and the width of the force mechanism (the first force member 44 and the The distance between the two force members 45 is reduced.
- the cam mechanism acts between the pair of opposed flat plate portions 14, 14 via the tension member 43.
- the pressing force against the clamps 41, 41 (42, 42) on the inner surfaces of the pair of opposed flat plates 14, 14 disappears.
- the lower column 1 (the pair of half bodies 40, 40) expands in diameter due to its elasticity, loses the tightening force with respect to the upper column 2, and the upper column 2 can be telescopically moved.
- the driver When the driver has finished adjusting the position of the steering wheel by performing tilt / telescopic adjustment, the driver turns the operation lever 46 in the other direction. Then, since the width dimension of the force mechanism (the distance between the first cam member 44 and the second cam member 45) increases, the friction plates 26 on one side and the other side are connected via the tension member 43. , 29, and the columns 1, 2 are fixed in the tilt direction by the multi-plate frictional engagement mechanism.
- At least one of the inner peripheral side of the lower column 1 (one column) and the outer peripheral side of the upper column 2 (inner column) of the fitting portion of the two columns 1 and 2 has a cylinder.
- Iron bush B is fitted.
- a cylindrical iron bush B is fitted into the inner peripheral surface of the lower column 1 (outer column).
- the bush B does not have the flange Ba turned back at the end of the lower column 1. Therefore, the iron bush B is preferably attached to the inner peripheral surface of the lower column 1 (outer column) with an adhesive.
- Upper column 2 moves back and forth by telescopic operation (Telescopic adjustment) To do.
- Telescopic adjustment Telescopic adjustment
- the sliding contact surface is limited to the inner surface of the bush B and the outer surface of the upper column 2 in the present embodiment. I can do it. Therefore, the workability and assemblability of the iron bush B are excellent, and the iron bush B can be securely fixed to the lower column 1, and the basic performance such as slidability at the time of telescopic collapse is smoothed and stabilized. Can be.
- FIG. 6 is a cross-sectional view of a vehicle tilt 'telescopic steering column device according to a third embodiment of the present invention.
- FIG. 7 (a) is a plan view of a cylindrical metal bush
- FIG. 7 (b) is a longitudinal sectional view in a state where the metal bush is fitted between the lower column and the inner column.
- the third embodiment is a tilt-telescopic type, and the clamp position thereof is configured to substantially intersect the axis of the steering shaft.
- the structure of the upper vehicle body side bracket 11 is the same as that of the second embodiment except that there is no friction plate.
- a pair of left and right half halves 40, 40, each having two upper and lower slits S, S (slit), are equally divided in the axial direction to the left and right. It is formed.
- Two pairs of clamps 41, 41 (42, 42) are provided in the vehicle longitudinal direction of these half bodies 40, 40, and between these two pairs of clamps 41, 41 (42, 42). Has slits S and S (slits).
- a substantially annular tension member 43 is provided around the outer periphery of the pair of left and right half bodies 40, 40 and between the two pairs of clamp portions 41, 41 (42, 42) in the vehicle longitudinal direction. is there.
- the tension member 43 is formed by a pair of opposed members 43c, 43c, and the opposed members 43c, 43c via a pair of collars 43d, 43d. And a pair of Portes 43e and 43e which are screwed and fastened.
- a bolt 51 extending laterally outward is integrally provided on one of the opposed members 43c.
- An adjusting nut 52 is screwed onto the port 51 erected from the tension member 43 via a cam mechanism composed of a pair of cam members 44, 45 and an operation lever 46. I have.
- a fastening bolt 49 is screwed and fastened.
- the cam mechanism is integrally rotated with the operation lever 46 and has a first cam member 44 having a peak and a valley, and the first cam member 44 has a peak and a valley. And a non-rotating second cam member 45 having peaks and valleys that meet.
- the operation of the first and second cam members 44 and 45 is the same as that of the second embodiment.
- the projection 45 a of the second cam member 45 engages with the tilt groove 15 of the opposing flat plate portion 14 and does not rotate with respect to the opposing flat plate portion 14. I do.
- the distal end of the tightening bolt 49 is engaged with a telescopic slot 50 formed in the upper column 2, and these telescopic slots 50 are in contact with the tip of the tightening port 49. The contact between the two serves as a stopper for defining the telescopic sliding range.
- the driver when performing tilt / telescopic adjustment, the driver first turns the operation lever 46 in one direction. Then, the first cam member 44 integrally engaged with the operation lever 46 rotates relative to the second cam member 45, and the width of the force mechanism (the first cam member 44 and the second The distance between the cam members 45 is reduced.
- the lower column 1 (the pair of half bodies 40, 40) expands in diameter due to its elasticity, loses the tightening force with respect to the upper column 2, and the upper column 2 can be telescopically moved.
- the driver When the driver has finished adjusting the position of the steering wheel by performing tilt / telescopic adjustment, the driver turns the operation lever 46 in the other direction. Then, since the width dimension of the force mechanism (the distance between the first cam member 44 and the second cam member 45) increases, the width of the pair of opposed flat plate portions 14, 14 is reduced via the tension member 43.
- the clamps 41, 41 (42, 42) are pressed by being contracted, the diameter of the lower column 1 (the pair of half bodies 40, 40) is reduced. As a result, the upper column 2 is tightened by the reduced diameter lower column 1 (a pair of halves 40, 40) and fixed in the telescopic direction.
- At least one of the inner peripheral side of the lower column 1 (the outer column) and the outer peripheral side of the upper column 2 (the inner column) of the fitting portion of the two columns 1 and 2 are provided.
- a cylindrical iron bush B is fitted.
- a cylindrical iron bush B is fitted into the inner peripheral surface of the lower column 1 (outer column), and the bush B is formed by bending the ⁇ portion Ba folded at the end of the lower column 1.
- the flange B a is engaged with the edge of the lower column 1 (outer column), thereby preventing the push B from going under.
- a stopper 60 for the bush B is provided.
- the stopper 60 has a through hole 61 for insertion into the collar 43 d of the tension member 43, and an engagement projection 62 for engaging with a long hole B b formed in the bush B. I have.
- One end of the stopper 60 enters the slit S of the lower column 1, the elongated hole Bb of the bush B, and the groove 63 of the upper column.
- the upper column 2 can be provided without setting the groove 63. However, shorten the length of the end of the stopper 60, Avoid interference with the upper column 2. Further, the engagement between the fastening port 49 and the telescopic long hole 50 of the upper column 2 may be abolished, and the engagement protrusion 62 may serve as a stopper.
- the upper column 2 moves back and forth (telescopic adjustment) by telescopic operation.
- the sliding contact surface is formed between the inner surface of the bush B and the outer surface of the upper column 2.
- the sliding contact surface is limited, and the Collabs performance is stabilized.
- FIG. 8 (a) is a longitudinal sectional view of a vehicle tilt 'telescopic steering column device according to a fourth embodiment of the present invention, (b) is a side view of an iron bush, (c) FIG. 7 is a side view of an iron bush according to a modification. Only parts different from the second and third embodiments will be described.
- the steering shaft 3 is composed of a cylindrical upper shaft 71 rotatably supported on the upper column 2 by the bearing 4 and the bearing 73, and a cylindrical upper shaft 71. And a lower shaft 72 of a central shaft slidably provided by spline fitting or the like. Therefore, at the time of telescopic sliding, the upper column 2 and the upper shaft 71 can move integrally with the bearings 4 and 73 in the axial direction.
- At least one of the inner peripheral side of the lower column 1 (one column) and the outer peripheral side of the upper column 2 (inner column) of the fitting portion of the two columns 1 and 2 is provided.
- a cylindrical iron bush B is fitted.
- a cylindrical iron bush B is fitted on the inner peripheral surface of the lower column 1 (outer column), and the bush B is folded back at the end of the lower column 1 by caulking or the like. It has a flange Ba.
- This flange Ba is a lower column 1 (a The bush B is prevented from slipping in by engaging with the edge of the column.
- the flange portion Ba may be formed over substantially the entire circumference.
- the flange portion Ba may be formed over the circumferential direction.
- a plurality of flanges Ba may be partially provided.
- the caulking of the flange Ba may not be 90 degrees (right angle).
- the flange Bc is also provided at the front end of the push B, so that the rear end flange Ba may not be provided.
- a circumferential groove 74 is formed on the inner peripheral surface of the lower column 1, and the front end of the push B in the vehicle direction extends only toward the upper column 2 by caulking or the like at a predetermined angle. It is bent to form a flange Be. The flange portion Be is inserted into and engaged with the circumferential groove 74, so that the push B can be securely fixed to the lower column 1 on the fixed side.
- This flange Bc may also be formed over substantially the entire circumference, and instead, a plurality of flanges Bc may be partially provided over the circumferential direction. When the latter flange portion Bc is partially provided, there is little possibility that the upper column 2 is caught in the circumferential groove 74 when the upper column 2 is collapsed while being twisted.
- an axially extending slit Bd may be formed in the iron bush B and the flange B a thereof.
- the flanges Ba and Be can be formed, and the push B can be reduced in diameter and incorporated.
- the upper column 2 moves back and forth (telescopic adjustment) by telescopic operation.
- the sliding contact surface is formed between the inner surface of the bush B and the outer surface of the upper column 2.
- FIG. 9 (a) is a longitudinal sectional view of a vehicle tilt 'telescopic type steering column device according to a fifth embodiment of the present invention, and (b) is a sectional view of an iron bush. Only differences from the fourth embodiment will be described.
- At least one of the inner peripheral side of the lower column 1 (outer column) and the outer peripheral side of the upper column 2 (inner column) of the fitting portion of the two columns 1 and 2 is provided with a cylindrical iron-made. Push B is fitted.
- a cylindrical iron bush B is fitted on the inner peripheral surface of the lower column 1 (outer column), and the bush B is folded back at the end of the lower column 1 by caulking or the like. It has a flange Ba. The flange portion Ba is engaged with the edge of the lower column 1 (arter column) to prevent the bush B from getting under.
- the flange Ba may be formed over substantially the entire circumference. Further, in the present embodiment, as will be described later, since the push B is provided with the protruding portion Be, the rear end side flange portion Ba may not be provided. Further, in the present embodiment, a circumferential groove 75 is formed on the inner circumferential surface of the lower column 1, and a radially outward protruding portion Be is formed on the push B. The protrusion Be is inserted into and engaged with the circumferential groove 74, so that the push B can be securely fixed to the lower column 1 on the fixed side.
- the projections Be may also be formed over substantially the entire circumference. Alternatively, as shown in FIG. 9B, a plurality of the projections Be may be partially formed in the circumferential direction. It may be provided.
- the iron push B and its flange Ba may have a slit Bd (notch) extending in the axial direction.
- the flanges B a and Be are formed before the bush B is inserted, and the push B can be reduced in diameter and incorporated.
- Upper column 2 moves back and forth by telescopic operation (Telescopic adjustment) To do.
- Telescopic adjustment Telescopic adjustment
- the sliding contact surface is formed between the inner surface of the push B and the outer surface of the upper column 2.
- FIG. 10 (a) is a longitudinal sectional view of a tilt / telescopic steering column device for a vehicle according to a sixth embodiment of the present invention, and (b) is a sectional view of an iron push. Only differences from the fourth embodiment will be described.
- At least one of the inner peripheral side of the lower column 1 (outer column) and the outer peripheral side of the upper column 2 (inner column) of the fitting portion of the two columns 1 and 2 has a cylindrical shape.
- Iron bush B is fitted.
- a cylindrical iron push B is fitted on the inner peripheral surface of the lower column 1 (outer column).
- a wide circumferential groove 76 is formed on the inner peripheral surface of the lower column (outer column) 1, and the iron bush B is formed to be thick.
- the bush B can be securely fixed to the lower column 1 on the fixed side.
- the inner surface of the bush B is formed to protrude radially inward, though slightly, from the inner surface of the lower column 1. That is, the inner diameter of the push B is made smaller than the inner diameter of the lower column 1 (outer column).
- a slit Bd (notch) extending in the axial direction may be formed on the iron push B.
- the bush B can be reduced in diameter before the bush B is inserted.
- the upper column 2 moves back and forth (telescopic adjustment) by telescopic operation.
- the bush B between the inner surface of the lower column 1 on the fixed side and the inner surface of the bush B are securely fixed to the fixed side. It can be limited to the outer surface of room 2. Therefore, the workability and assemblability of the iron push B is excellent, and it can be fixed to the lower column 1, and the basic performance such as slidability at the time of telescopic collapse is smoothed and stabilized. it can.
- FIG. 11 (a) is a longitudinal sectional view of a vehicle tilt 'telescopic type steering column device according to a seventh embodiment of the present invention, and (b) is a side view of an iron bush. Only differences from the fourth embodiment will be described.
- At least one of the inner peripheral side of the lower column 1 (outer column) and the outer peripheral side of the upper column 2 (inner column) of the fitting portion of the two columns 1 and 2 is provided with a cylindrical iron-made.
- Bush B is fitted.
- a cylindrical iron push B is fitted on the inner peripheral surface of the lower column 1 (outer column), and the bush B is folded back at the end of the lower column 1 by caulking or the like. It has a flange Ba.
- the flange Ba is engaged with an end of the lower column 1 (a filter column), thereby preventing the bush B from getting under.
- the flange Ba may be formed over substantially the entire circumference.
- a circumferential groove 77 is formed on the outer peripheral surface of the rear end of the lower column (outer column) 1.
- a plurality of concave-convex locking portions Bf are formed on the flange Ba of the bush B so as to extend. These locking portions ⁇ ⁇ are locked in the circumferential grooves 77 of the lower column 1.
- the bush ⁇ ⁇ can be securely fixed to the lower column 1 on the fixed side, and the push ⁇ can be fixed only by inserting from the end of the lower column 1.
- an end portion of the bush ⁇ may be swaged to form a locking portion B f, which may be locked in the circumferential groove 77.
- an axially extending slit Bd may be formed in the iron bush B and its flange Ba.
- the flanges B a and Be are formed, and the bush B can be reduced in diameter and incorporated.
- the upper column 2 moves back and forth (telescopic adjustment) by telescopic operation.
- the sliding contact surface is formed between the inner surface of the push B and the outer surface of the upper column 2.
- the sliding contact surface is limited, and the Collabs performance is stabilized.
- FIG. 12 (a) is a longitudinal sectional view of a vehicle tilt 'telescopic steering column device according to an eighth embodiment of the present invention, and (b) is a partial sectional view according to a modification. Only differences from the fourth embodiment will be described.
- At least one of the inner peripheral side of the lower column 1 (outer column) and the outer peripheral side of the upper column 2 (inner column) of the fitting portion of the two columns 1 and 2 is provided with a cylindrical iron-made. Push B is fitted.
- a cylindrical iron bush B is fitted on the inner peripheral surface of the lower column 1 (outer column), and the bush B is folded back at the end of the lower column 1 by caulking or the like. It has a flange Ba.
- the flange Ba is engaged with the edge of the lower column 1 (the filter column) to prevent the bush B from getting under.
- the flange Ba may be formed over substantially the entire circumference.
- a pin 78 is press-fitted and fixed to the flange Ba and the end surface of the lower column 1.
- the pin 78 may be press-fitted into an extension piece B g extending from the flange Ba to the outer surface of the lower column 1.
- a member such as a small screw or a clip may be used for fixing.
- the upper column 2 moves back and forth (telescopic adjustment) by telescopic operation.
- the bush B between the outer surface of the upper column 2 on the moving side and the inner surface of the lower column 1 on the fixed side is securely fixed to the fixed side.
- the outer surface of the upper column 2. Therefore, the iron push B is excellent in workability and assemblability, can be fixed to the lower column 1 reliably, and smoothes and stabilizes basic performance such as slidability during Telescopic Collabs. be able to.
- the sliding contact surface is limited, and the Collabs performance is stabilized.
- the push B is fixedly arranged on the lower column 1 (a single column).
- the bush B may be arranged integrally, or the bush may be arranged on both the columns 1 and 2.
- FIG. 13 is a longitudinal sectional view of a vehicle steering column device according to a ninth embodiment of the present invention.
- a cylindrical upper shaft 103 is rotatably supported on the steering column 100 via a pair of bearings 101, 102. With respect to the cylindrical upper shaft 103, A solid lower shaft 105 is slidably connected via a slide joint 104.
- the slide joint 104 is composed of rolling elements 104a and the like.
- the bearings 101 and 102 may be either rolling bearings or plain bearings, but are preferably rolling bearings.
- the rolling element of the rolling bearing may be a spherical ball bearing or a needle roller bearing.
- the ball bearing may be a deep groove ball bearing.
- the bearings 101 and 102 may be rolling bearings arranged with an axial preload between the column 100 and the shaft 103.
- a rolling bearing is composed of an outer race a having a raceway formed therein, an inner race b having a raceway formed therein, and a rolling element c (pole) disposed between the raceway surfaces of the outer and inner races a and b.
- a “wedge ring d” that connects the inner ring b and the shaft 103.
- the wedge ring d J is generally called a press bearing.
- the preload in the axial direction is obtained by interposing a rolling element e from the opposite side of the wedge ring d to the rolling element c. It is generated by fixing with push nut ⁇ .
- the wedge ring d is disposed on one bearing 101, and the axial preload is applied to the other bearing 102 by the developing member e or the like. It is configured.
- the resilient member e is, for example, a waved washer, a coil spring, a flat panel, or the like. Further, between the “wedge ring d" and the resilient member e, or between the resilient member e and the push nut f, a washer g may be disposed or directly disposed. Further, the “wedge ring d” is fixed by a C-shaped retaining ring h.
- FIG. 14A is a cross-sectional view of a main part according to a first modified example of the ninth embodiment, and FIG. It is sectional drawing of a part.
- Rolling bearings 101 and 102 which are arranged with an axial preload between column 100 and shaft 103, have a reduced axial preload when push nut j is displaced, and the bearing section Since the backlash may occur, the push nut j may be prevented from coming off as shown in FIGS. 14 (a) and (b).
- a helical groove k is provided on the outer peripheral surface of the upper shaft 103 to make it easier for the nail of the push nut j to bite and function as a stopper for the push nut j. It is configured to do so.
- an iron push is interposed on at least one of the inner peripheral surface of the outer column and the outer peripheral surface of the inner column.
- the iron bushing is excellent in workability and assemblability, can be securely fixed to the outer column, etc., and smoothes and stabilizes the basic performance such as slidability during telescopic collapse. it can.
- the sliding surface is limited by securely fixing the iron push, and the Collabs performance is stabilized.
- the present invention can be suitably used for a vehicle steering column device such as a telescopic steering column device that can adjust an axial position of a steering wheel according to a driver's physique or driving posture. Can be.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
- Power Steering Mechanism (AREA)
Abstract
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04772845A EP1661789B1 (en) | 2003-09-01 | 2004-08-31 | Position adjustment type steering column device for vehicles |
| US10/544,006 US7413222B2 (en) | 2003-09-01 | 2004-08-31 | Position adjustment type steering column device for vehicles |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-309069 | 2003-09-01 | ||
| JP2003309069A JP4354762B2 (ja) | 2003-09-01 | 2003-09-01 | 車両用位置調整式ステアリングコラム装置 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005021355A1 true WO2005021355A1 (ja) | 2005-03-10 |
Family
ID=34269543
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/012896 Ceased WO2005021355A1 (ja) | 2003-09-01 | 2004-08-31 | 車両用位置調整式ステアリングコラム装置 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US7413222B2 (ja) |
| EP (1) | EP1661789B1 (ja) |
| JP (1) | JP4354762B2 (ja) |
| WO (1) | WO2005021355A1 (ja) |
Cited By (3)
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|---|---|---|---|---|
| EP1762462A1 (en) * | 2005-09-08 | 2007-03-14 | NSK Ltd. | Steering apparatus |
| US7735391B2 (en) | 2005-04-18 | 2010-06-15 | Yamada Manufacturing Co., Ltd. | Steering device |
| CN107914758A (zh) * | 2016-10-07 | 2018-04-17 | 株式会社山田制作所 | 操纵装置 |
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| JP4147579B2 (ja) * | 2002-01-17 | 2008-09-10 | 日本精工株式会社 | ステアリング装置 |
| JP4683456B2 (ja) * | 2003-07-16 | 2011-05-18 | 日本精工株式会社 | ステアリング装置 |
| US7942446B2 (en) * | 2004-04-30 | 2011-05-17 | Nexteer (Beijing) Technology Co., Ltd. | Horizontal hybrid collapsing steering column |
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| JP2006306263A (ja) * | 2005-04-28 | 2006-11-09 | Nsk Ltd | ステアリング装置 |
| JP2007182213A (ja) * | 2005-12-05 | 2007-07-19 | Nsk Ltd | ステアリング装置 |
| US7699344B2 (en) * | 2006-02-21 | 2010-04-20 | Nsk Ltd. | Steering device |
| JP2007276591A (ja) * | 2006-04-05 | 2007-10-25 | Jtekt Corp | パワーステアリング装置 |
| US8091449B2 (en) * | 2006-12-15 | 2012-01-10 | Nsk Ltd. | Steering apparatus |
| US7625009B2 (en) * | 2007-02-06 | 2009-12-01 | Gm Global Technology Operations, Inc. | Collapsible steering column support |
| JP4567040B2 (ja) * | 2007-09-07 | 2010-10-20 | 本田技研工業株式会社 | チルトテレスコ・ステアリング装置 |
| JP4483931B2 (ja) * | 2007-11-08 | 2010-06-16 | トヨタ自動車株式会社 | ステアリング装置 |
| JP5228454B2 (ja) * | 2007-11-27 | 2013-07-03 | 日本精工株式会社 | 車両用ステアリング装置 |
| US7819426B2 (en) * | 2008-04-24 | 2010-10-26 | Gm Global Technology Operations, Inc. | Over-center locking mechanism for steering column assembly |
| JP5120076B2 (ja) * | 2008-06-05 | 2013-01-16 | 日本精工株式会社 | ステアリングコラム装置 |
| JP5167995B2 (ja) * | 2008-07-11 | 2013-03-21 | 日本精工株式会社 | ステアリング装置 |
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| JP5328695B2 (ja) * | 2010-02-26 | 2013-10-30 | 富士機工株式会社 | ステアリングコラム装置 |
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| DE102011017014B4 (de) | 2011-04-14 | 2023-07-27 | Detlef Hansen | Lenksäulenanordnung |
| EP2740648B1 (en) * | 2011-07-26 | 2018-07-18 | NSK Ltd. | Steering column and manufacturing method thereof, and steering device using said steering column |
| CN203005509U (zh) * | 2011-09-26 | 2013-06-19 | 爱信精机株式会社 | 车辆的转向装置 |
| CN103189263B (zh) * | 2011-10-11 | 2015-08-05 | 日本精工株式会社 | 转向柱及其制造方法 |
| DE102011054597A1 (de) | 2011-10-19 | 2013-04-25 | Thyssenkrupp Presta Aktiengesellschaft | Lenkspindellagereinheit |
| DE102011054598B3 (de) * | 2011-10-19 | 2013-01-17 | Thyssenkrupp Presta Ag | Lenkspindellagereinheit zur drehbaren Lagerung einer Lenkspindel |
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| EP2765058B1 (en) * | 2011-12-02 | 2017-08-23 | NSK Ltd. | Steering column device |
| JP5844634B2 (ja) * | 2011-12-22 | 2016-01-20 | 株式会社山田製作所 | ステアリング装置 |
| US8899622B2 (en) * | 2012-03-09 | 2014-12-02 | Nsk Americas, Inc. | Internally collapsible steering column assembly |
| US20140116186A1 (en) * | 2012-10-31 | 2014-05-01 | Melvin L. Tinnin | Steering column assembly with improved attachment to a vehicle structure |
| WO2014119630A1 (ja) * | 2013-01-30 | 2014-08-07 | 日本精工株式会社 | ステアリングコラム |
| JP5957784B2 (ja) * | 2013-03-28 | 2016-07-27 | 株式会社ショーワ | ステアリング装置 |
| JP6192108B2 (ja) * | 2013-12-26 | 2017-09-06 | 株式会社ジェイテクト | ピン組立体およびステアリング装置 |
| JP6344606B2 (ja) * | 2014-08-19 | 2018-06-20 | 株式会社ジェイテクト | ステアリング装置 |
| JP6506216B2 (ja) * | 2015-08-11 | 2019-04-24 | 株式会社山田製作所 | ステアリング装置 |
| JP6701519B2 (ja) * | 2016-04-27 | 2020-05-27 | 株式会社ジェイテクト | ステアリング装置 |
| US10611396B2 (en) * | 2017-04-24 | 2020-04-07 | Steering Solutions Ip Holding Corporation | Motion control assembly for adjustable steering column |
| KR102146755B1 (ko) * | 2017-11-15 | 2020-08-21 | 남양넥스모 주식회사 | 조향 컬럼 |
| JP7484324B2 (ja) * | 2020-03-30 | 2024-05-16 | 日本精工株式会社 | ステアリング装置 |
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- 2004-08-31 WO PCT/JP2004/012896 patent/WO2005021355A1/ja not_active Ceased
- 2004-08-31 US US10/544,006 patent/US7413222B2/en not_active Expired - Lifetime
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7735391B2 (en) | 2005-04-18 | 2010-06-15 | Yamada Manufacturing Co., Ltd. | Steering device |
| EP1762462A1 (en) * | 2005-09-08 | 2007-03-14 | NSK Ltd. | Steering apparatus |
| CN107914758A (zh) * | 2016-10-07 | 2018-04-17 | 株式会社山田制作所 | 操纵装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP4354762B2 (ja) | 2009-10-28 |
| US7413222B2 (en) | 2008-08-19 |
| EP1661789B1 (en) | 2012-06-20 |
| EP1661789A4 (en) | 2006-11-29 |
| US20060151984A1 (en) | 2006-07-13 |
| EP1661789A1 (en) | 2006-05-31 |
| JP2005075183A (ja) | 2005-03-24 |
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