WO2004011317A1 - ステアリングコラム装置 - Google Patents
ステアリングコラム装置 Download PDFInfo
- Publication number
- WO2004011317A1 WO2004011317A1 PCT/JP2003/009436 JP0309436W WO2004011317A1 WO 2004011317 A1 WO2004011317 A1 WO 2004011317A1 JP 0309436 W JP0309436 W JP 0309436W WO 2004011317 A1 WO2004011317 A1 WO 2004011317A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- steering column
- steering
- column
- bracket
- vehicle body
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/184—Mechanisms for locking columns at selected positions
Definitions
- the present invention relates to a steering column that constitutes a steering device for an automobile or the like, and more particularly, to a method for reducing the number of parts and manufacturing costs while reducing the number of parts on a vehicle body.
- the present invention relates to a technique for improving the rigidity of a column distance portion for supporting and the like.
- the steering device of an automobile is used (steered) by an unspecified number of drivers, it is desirable to be able to adjust the position of the steering wheel according to the individual's physique and driving posture.
- not only passenger cars but also freight cars are increasingly using tilt adjustment mechanisms and telescopic adjustment mechanisms.
- the tilt adjustment mechanism is a mechanism for adjusting the position of the steering wheel in the vertical direction, and includes a tilt pivot for swingably supporting the steering column, and a tilt position for fixing the steering column at a desired position (swing angle). It consists of fixing means.
- the telescopic adjustment mechanism is a mechanism for adjusting the position of the steering wheel in the front-rear direction (axial direction of the steering shaft).
- the telescopic adjustment mechanism includes a telescopic part such as a double pipe type used for expanding and contracting the steering shaft. It consists of telescopic position fixing means for fixing the steering shaft at a desired position (amount of expansion and contraction).
- a steel plate-made distance bracket is welded to a steel pipe-made steering column, and the distance bracket is sandwiched and fixed by a steel plate-made vehicle-side bracket.
- the number of components and the number of welding steps are increased, and thermal distortion during welding is increased.
- Japanese Patent Application Laid-Open No. H10-70303 (hereinafter referred to as prior art) discloses a technique for supporting a steering column on a vehicle body side bracket by plastic working. A bulge-shaped distance part has been proposed.
- FIG. 7 is a perspective view showing a prior art steering column alone
- FIG. 8 is a longitudinal sectional view of a distance portion of a steering column in a steering column device, which is supported by a vehicle-side upper bracket.
- the steering column 21 is made of a cylindrical steel pipe, and the pressed portions 25 and 27 are formed by bulging at the lower portion of the distance portion 29 in FIGS. 7 and 8.
- Pressed surfaces 51, 53 are formed on the side surfaces of the pressed portions 25, 27, and a through hole 71 into which the tilt port 31 is inserted is formed in the pressed surfaces 51, 53. Is established.
- the nut 33 is screwed with respect to the tilt port 31 by rotating a tilt adjustment lever 35 disposed on the side surface of the vehicle body bracket 3, and the steering by the vehicle body bracket 3 is performed.
- the clamping and opening of the ring column 21 are performed. According to the prior art steering column device, manufacturing costs can be reduced by reducing the number of components and the number of welding steps, and at the same time, problems due to thermal distortion during welding do not occur.
- the above-mentioned prior art steering column apparatus has the following problems.
- the portions (upper and lower portions in FIG. 9) other than the pinched portions 25 and 27 in the distance portion 29 are bent.
- the operation feeling became extremely poor, and the steering column 21 could not be securely fixed by the vehicle body side bracket 3.
- the driver tightens the tilt lever 35 with a tightening force equal to or more than a predetermined value, there is a possibility that the deflection of the distance portion 29 exceeds the elastic limit and is plastically deformed. And, these problems become remarkable when thin steel pipes are used for the material of the steering column, which has been an obstacle in reducing the weight of the steering device. Disclosure of the invention
- the present invention has been made in view of the above circumstances, and an object of the present invention is to provide a steering column device that achieves an improvement in the rigidity of a distance portion while reducing the number of parts and manufacturing costs.
- the present invention provides a vehicle-body-side bracket attached to a vehicle-body-strength member and having a pair of opposed side plates extending in a vertical direction;
- a steering column having a distance portion having a pair of squeezed pressure swelling portions movably supported, swelled by plastic working and squeezed by the side plate portion of the vehicle body side bracket,
- the reinforcing portion connects the clamped support portions to at least one of an upper portion and a lower portion of the clamped support portion.
- the convex portion includes a plurality of convex lines
- the concave portion includes a plurality of concave lines
- the steering column can be adjusted to at least one of a tilt direction and a telescopic direction with respect to the vehicle body side bracket.
- the plastic working is preferably performed by a Hydroform forming method.
- FIG. 1 is a side view of the steering column device according to the first embodiment of the present invention.
- FIG. 2A is an enlarged sectional view taken along the line A—A in FIG. 1, where the steering shaft is omitted. ,
- FIG. 2B is an enlarged BB sectional view in FIG.
- FIG. 3 is a perspective view of the upper column according to the first embodiment.
- FIG. 4 is a side view of the upper column according to the first embodiment.
- FIG. 5 is a perspective view of an upper column according to the second embodiment of the present invention.
- FIG. 6 is a perspective view of an upper column according to the third embodiment of the present invention.
- FIG. 7 is a perspective view showing a single steering column according to the prior art.
- FIG. 8 is a longitudinal sectional view of a distance section of a steering column according to the prior art.
- FIG. 9 is a longitudinal sectional view showing a deformation of a distance portion of the steering column according to the prior art.
- FIG. 1 is a side view of the column device according to the first embodiment
- FIG. 2A is an enlarged cross-sectional view taken along the line AA in FIG.
- the steering column 1 is attached to the vehicle body-side strength member 7 via a fixed upper bracket 3 made of a steel plate press-formed product, which is a vehicle body-side bracket, and a pivot bracket 5 made of an aluminum alloy die-cast product.
- the upper steering shaft (hereinafter, referred to as) 13 is rotatably supported via the.
- the upper bracket 3 has a width in the longitudinal direction of the steering shaft, extends symmetrically in the direction perpendicular to the direction in which the steering shaft extends, that is, in the left-right direction in FIG. 2A, and is fixed to the vehicle body by fixing members (not shown) such as bolts.
- the side plates 3c and 3d are integrally formed.
- a steering wheel (not shown) is attached to the upper end of the steering shaft 13, while a mouth steering shaft is connected to the lower end via a universal joint, and further connected to a rack and pinion mechanism of the steering mechanism. I have. Tilt adjusting holes 15a and 15b are formed in the side walls 3c and 3d of the upper bracket 3, respectively.
- the steering column 1 is composed of an upper column 21 of a hydroform molded product made of a steel pipe, and a lower column 23 of a steel pipe slidably fitted inside the upper column 21.
- the upper column 21 is generally cylindrical, a pair of left and right clamps in FIG. 2A is pressed against the side plate portions 3 c and 3 d at portions corresponding to the side plate portions 3 c and 3 d of the upper bracket 3.
- a distance portion 29 is formed by bulging a bottom portion 28 connecting the bulging portions 25, 27 and the lower bulging portions 25, 27 at the lower end.
- the flat portions 51, 53 of the bulging portions 25, 27 correspond to the long holes 15a, 15b formed in the side plates 3c, 3d of the upper bracket 3, respectively.
- the adjustable holes 31 are provided through the elongated holes 15a, 15b and the elongated holes 37, 37, and the distance portion 29 is fixed to the fixed upper bracket 3 by an adjust nut 33. It is clamped and fixed with a predetermined fastening force as described above.
- An adjust nut 33 and an adjust lever 35 are interposed between the nut 31 a fixed to the adjusting bolt 31 and one side plate 3 d of the upper bracket 3. What is adjust nut 3 3 and adjust lever 3 5?
- the substantially conical projection of the nut 33 is fitted into the substantially conical recess of the adjusting lever 35 and tightened with the nut 31a, so that they are in a rotationally integral relationship with each other and the thread of the adjusting port 31 Is screwed into the thread of the adjust bolt 33.
- the surface in contact with the side plate 3 c of the head 3 1 b of the adjust port 3 1 has a substantially rectangular cross-sectional shape and fits into the long hole 15 a formed in the side plate 3 c of the upper bracket 3. And make the Ayast Port 31 impossible to rotate.
- Such a tightening and releasing mechanism may be performed by a known cam mechanism instead of the adjust nut 33.
- the long holes 37, 37 extending parallel to the column axis in the flat portions 51, 53 of the column bulging portions 25, 27 are for adjusting the telescopic position of the steering column.
- the pivot bracket 5 has a pair of horizontally extending vehicle body mounting portions 5a fixed to the vehicle body side strength member 7 with a port or the like.
- the pivot bracket 5 has a pair of parallel vertical plate portions 5b, 5c extending vertically from the vehicle body mounting portion 5a.
- the column-side lower bracket 41 fixed below the lower column 23 is a flat plate portion 4 1 b that extends up and down corresponding to the vertical plate portions 5 b and 5 c of the pivot bracket 5 and is pressed against each other. , 4 1c in one piece.
- the vertical plates 5 b, 5 c and the flat plate 4 lb, 4 1 c of the column side lower bracket have circular holes formed in the horizontal direction, respectively. 3 penetrates and is tightened with nuts 4 5.
- the column side lower bracket 41 is a steel plate press formed separately from the lower column 23, and is fixed to the lower column 23 by welding.
- the lower column 23 may be integrally formed by swelling by a hydraulic bulge forming method or the like as in the above-described distance portion.
- a substantially U-shaped notch 47 that opens forward is formed in the pivot bracket 5, and the pivot bolt 43 is inserted into the rear end side of the notch 47.
- the steering column 1 is swingable about a pivot bolt 43, and by operating the adjuster 135, the driver can adjust the tilt in the tilt adjustment slots 15a and 15b.
- the vertical position of the steering wheel (vertical direction in Fig. 1) can be adjusted within the range in which the bolt 31 moves.
- the Azupa column 21 is slidable with respect to the lower column 23.
- the driver can adjust the adjustment bolt 3 1 in the elongated hole 37 for telescopic adjustment.
- the front / rear position of the steering wheel within the range in which can be moved.
- the flat portions 51, 53 that are in contact with the inner surface of the vertical side plate 3 3 d of the fixed upper bracket 3 are formed on the squeezed bulging portions 25, 27,
- three beads 55, 57 are protrudingly provided above and below the distance portion 29, respectively.
- Each of the beads 55, 57 is formed over at least the length of the elongated hole 37 so as to connect the pressed portions 25, 27 to reinforce the upper column. Such beads may be increased depending on the desired strength.
- the driver first rotates the adjuster lever 35 clockwise to adjust the position of the adjuster. Loosen the adjust nut 3 3 against the stop 3 1. As a result, the axial force of the adjust port 31 acting on the displacement part 29 of the adjuster column 21 via the adjuster bracket 3 disappears, and the steering column 1 becomes elongated with the pivot bolt 4 3 as a fulcrum.
- a predetermined amount of swing determined by a and 15b At the same time, the upper column 21 can slide with respect to the lower column 23 by a predetermined amount determined by the long holes 37, 37.
- the driver can tilt or telescopically move the steering column 1 to adjust the steering wheel to a desired position.
- the driver turns the adjustment lever 35 counterclockwise to tighten the adjustment nut 33 with respect to the adjustment port 31. Then, a predetermined axial force is generated in the adjust port 31, and the inner surface of the fixed upper bracket 3 is pressed against the pressed flat portions 51, 53 of the distance portion 29, and the upper bracket 3 is pressed against the upper bracket 3. 'The ram 21 (ie the steering wheel) is locked in the desired position.
- the rigidity of the distance part 29 is as described above because the beads 555 and 57 connecting the pressure swelling parts 25 and 27 are provided above and below the distance part 29 in this embodiment TT. It is much higher than the prior art.
- the upper column 21 is securely supported by the fixed bracket 3 to suppress the vibration of the steering shaft 13 during driving and the upper column 21 at the time of a vehicle collision. The unintentional movement of the child became difficult to occur. Also, even if an excessive axial force is generated in the adjust port 31 by tightening the adjust lever 35 with a strong tightening force, elastic deformation or plastic deformation is unlikely to occur in the distance portion 29, so that it can be performed for a long time. Stable tightening can be performed throughout.
- FIG. 5 is a perspective view showing an upper column according to a second embodiment of the present invention
- FIG. 6 is a perspective view showing an upper column according to a third embodiment of the present invention.
- These embodiments also have substantially the same configuration as the above-described first embodiment, but in the second embodiment, instead of the beads, three distance grooves 61 recessed inside the column are provided in the distance portion 29. However, in the third embodiment, a wide, R-shaped band-shaped convex portion 63 is provided in the distance portion 29.
- These grooves 6 1 ⁇ convex portions 6 3 are also formed so as to connect the squeezed swelling portions 25, 27 over at least the length of the long hole 37, similarly to the first embodiment. , Its action This is the same as in the first embodiment.
- the cross-sectional shape size, number, pitch, and the like of the convex portions and the concave portions that connect the pressure-pressing bulging portions can be appropriately set for reasons of design, and the like. It may be provided on the side or the bottom.
- the convex portions and the concave portions may be appropriately combined.
- the cross-sectional shape of the bead may be a substantially triangular shape, a substantially square shape, an R shape, or the like, and the material of the steering column may be a steel pipe or aluminum.
- an explosive bulge forming method, a rubber bulge forming method, or a press forming method other than the hydroforming method may be adopted.
- the present invention is applied to a tilt-telescopic type steering column device.
- the present invention may be applied to a steering column device having only a tilt mechanism or only a telescopic mechanism.
- the upper column and the lower column are illustrated as separate steering columns, the upper column and the lower column may be integrally formed. Further, not only the distance portion but also the lower bracket may be integrally formed.
- the specific structure of the steering column device, the material and shape of each component, and the like can be appropriately changed without departing from the gist of the present invention.
- the rigidity of the entire column distance portion, which is pinched and supported by the vehicle body side bracket, is improved, and a large tightening force can be applied to the pinched portion. Deflection is less likely to occur even if the steering wheel is used, and the steering column is securely supported by the bracket on the vehicle body side, and the vibration of the steering shaft and steering wheel during running is suppressed. Unintended movements such as are unlikely to occur.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering Controls (AREA)
Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004524145A JPWO2004011317A1 (ja) | 2002-07-25 | 2003-07-25 | ステアリングコラム装置 |
| EP03771331A EP1535823A4 (en) | 2002-07-25 | 2003-07-25 | STEERING DEVICE |
| AU2003252690A AU2003252690A1 (en) | 2002-07-25 | 2003-07-25 | Steering column device |
| US10/522,173 US7350813B2 (en) | 2002-07-25 | 2003-07-25 | Steering column device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2002217010 | 2002-07-25 | ||
| JP2002-217010 | 2002-07-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2004011317A1 true WO2004011317A1 (ja) | 2004-02-05 |
Family
ID=31184593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2003/009436 Ceased WO2004011317A1 (ja) | 2002-07-25 | 2003-07-25 | ステアリングコラム装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US7350813B2 (ja) |
| EP (1) | EP1535823A4 (ja) |
| JP (1) | JPWO2004011317A1 (ja) |
| AU (1) | AU2003252690A1 (ja) |
| WO (1) | WO2004011317A1 (ja) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2380243B (en) * | 2001-08-06 | 2005-12-28 | Nsk Ltd | Steering apparatus for a car and method of manufacturing the same |
| US20150360768A1 (en) * | 2014-06-12 | 2015-12-17 | Troy A. Woodland | Mounting assembly for fully automatic slat |
| CN109230449A (zh) * | 2018-08-22 | 2019-01-18 | 威海威高生物科技有限公司 | 转向样本架 |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4179049B2 (ja) * | 2002-07-16 | 2008-11-12 | 日本精工株式会社 | 位置調整式ステアリングコラム装置 |
| AU2003252368A1 (en) * | 2002-09-04 | 2004-03-29 | Nsk Ltd. | Vehicle position adjustment type steering column device |
| DE10318034B4 (de) * | 2003-04-19 | 2012-01-19 | Fred Eggers | Klemmvorrichtung für die Lenksäule eines Kraftfahrzeuges |
| JP4683456B2 (ja) * | 2003-07-16 | 2011-05-18 | 日本精工株式会社 | ステアリング装置 |
| GB2431980B (en) * | 2005-10-17 | 2010-03-17 | Nsk Steering Sys Europ Ltd | Steering apparatus and method for its manufacture |
| DE102005054461B4 (de) * | 2005-11-15 | 2010-10-14 | Daimler Ag | Vorrichtung zum schwenkbeweglichen Verbinden von mindestens zwei Bauteilen und Verfahren zur Montage der Vorrichtung |
| US7882761B2 (en) * | 2008-01-05 | 2011-02-08 | Nexteer (Beijing) Technology Co., Ltd. | Adjustable steering column assembly with compressive locking mechanism |
| US20110088501A1 (en) * | 2009-10-20 | 2011-04-21 | Mando Corporation | Steering column for vehicle |
| DE102011056674B3 (de) | 2011-10-19 | 2012-12-06 | Thyssenkrupp Presta Aktiengesellschaft | Lenksäule für ein Kraftfahrzeug |
| DE102011054598B3 (de) * | 2011-10-19 | 2013-01-17 | Thyssenkrupp Presta Ag | Lenkspindellagereinheit zur drehbaren Lagerung einer Lenkspindel |
| DE102011054597A1 (de) | 2011-10-19 | 2013-04-25 | Thyssenkrupp Presta Aktiengesellschaft | Lenkspindellagereinheit |
| DE102011054606B3 (de) | 2011-10-19 | 2013-02-28 | Thyssenkrupp Presta Aktiengesellschaft | Lenkspindellagereinheit zur drehbaren Lagerung einer Lenkspindel |
| JP6517541B2 (ja) * | 2015-03-04 | 2019-05-22 | 株式会社山田製作所 | ステアリング装置 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08230692A (ja) * | 1994-10-26 | 1996-09-10 | Alusuisse Lonza Services Ag | 安全ステアリング・コラム |
| JPH08276852A (ja) * | 1995-04-03 | 1996-10-22 | Nippon Seiko Kk | チルト式ステアリング装置 |
| JPH107003A (ja) | 1996-06-21 | 1998-01-13 | Nippon Seiko Kk | チルト式ステアリング装置 |
| JP2001514121A (ja) * | 1997-08-29 | 2001-09-11 | フオルクスワーゲン・アクチエンゲゼルシヤフト | 車両の操向装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3599757A (en) * | 1968-06-25 | 1971-08-17 | Tokyu Car Corp | Energy absorber by means of plastic deformation |
| GB2304866A (en) * | 1995-09-11 | 1997-03-26 | Nastech Europ Ltd | Adjustable vehicle steering column |
| DE19629246A1 (de) * | 1996-07-19 | 1998-01-22 | Opel Adam Ag | Vorrichtung zur Verriegelung einer verstellbaren Lenksäule, insbesondere für Kraftfahrzeuge |
| US6189405B1 (en) * | 1998-04-30 | 2001-02-20 | Kabushiki Kaisha Yamada Seisa Kusho | Position adjusting device for steering wheels |
| US6371519B1 (en) * | 2000-10-23 | 2002-04-16 | Daimlerchrysler Corporation | Steering shaft support mechanism |
| US6474189B1 (en) * | 2000-10-26 | 2002-11-05 | Trw Inc. | Apparatus for mounting a foot pedal and a steering column to a vehicle |
| US6450531B1 (en) * | 2001-01-03 | 2002-09-17 | Daimlerchrysler Corporation | Anti-friction cam-operated friction disk clutch |
| JP2003118595A (ja) * | 2001-08-06 | 2003-04-23 | Nsk Ltd | 車両用ステアリング装置及びその製造方法 |
| WO2004007261A1 (ja) * | 2002-07-10 | 2004-01-22 | Nsk Ltd. | 車両用衝撃吸収式ステアリングコラム装置 |
| JP4179049B2 (ja) | 2002-07-16 | 2008-11-12 | 日本精工株式会社 | 位置調整式ステアリングコラム装置 |
| AU2003252642A1 (en) * | 2002-07-17 | 2004-02-02 | Nsk Ltd. | Steering column device |
-
2003
- 2003-07-25 JP JP2004524145A patent/JPWO2004011317A1/ja active Pending
- 2003-07-25 EP EP03771331A patent/EP1535823A4/en not_active Withdrawn
- 2003-07-25 US US10/522,173 patent/US7350813B2/en not_active Expired - Lifetime
- 2003-07-25 AU AU2003252690A patent/AU2003252690A1/en not_active Abandoned
- 2003-07-25 WO PCT/JP2003/009436 patent/WO2004011317A1/ja not_active Ceased
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08230692A (ja) * | 1994-10-26 | 1996-09-10 | Alusuisse Lonza Services Ag | 安全ステアリング・コラム |
| JPH08276852A (ja) * | 1995-04-03 | 1996-10-22 | Nippon Seiko Kk | チルト式ステアリング装置 |
| JPH107003A (ja) | 1996-06-21 | 1998-01-13 | Nippon Seiko Kk | チルト式ステアリング装置 |
| JP2001514121A (ja) * | 1997-08-29 | 2001-09-11 | フオルクスワーゲン・アクチエンゲゼルシヤフト | 車両の操向装置 |
Non-Patent Citations (1)
| Title |
|---|
| See also references of EP1535823A4 |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2380243B (en) * | 2001-08-06 | 2005-12-28 | Nsk Ltd | Steering apparatus for a car and method of manufacturing the same |
| US20150360768A1 (en) * | 2014-06-12 | 2015-12-17 | Troy A. Woodland | Mounting assembly for fully automatic slat |
| CN109230449A (zh) * | 2018-08-22 | 2019-01-18 | 威海威高生物科技有限公司 | 转向样本架 |
| CN109230449B (zh) * | 2018-08-22 | 2024-03-12 | 威海威高生物科技有限公司 | 转向样本架 |
Also Published As
| Publication number | Publication date |
|---|---|
| EP1535823A1 (en) | 2005-06-01 |
| AU2003252690A1 (en) | 2004-02-16 |
| US20050242560A1 (en) | 2005-11-03 |
| JPWO2004011317A1 (ja) | 2005-11-24 |
| US7350813B2 (en) | 2008-04-01 |
| EP1535823A4 (en) | 2006-11-15 |
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