WO2004031020A1 - 衝撃吸収式ステアリングコラム装置 - Google Patents
衝撃吸収式ステアリングコラム装置 Download PDFInfo
- Publication number
- WO2004031020A1 WO2004031020A1 PCT/JP2003/010417 JP0310417W WO2004031020A1 WO 2004031020 A1 WO2004031020 A1 WO 2004031020A1 JP 0310417 W JP0310417 W JP 0310417W WO 2004031020 A1 WO2004031020 A1 WO 2004031020A1
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- WO
- WIPO (PCT)
- Prior art keywords
- steering column
- absorbing
- energy
- load
- energy absorbing
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F7/00—Vibration-dampers; Shock-absorbers
- F16F7/12—Vibration-dampers; Shock-absorbers using plastic deformation of members
- F16F7/128—Vibration-dampers; Shock-absorbers using plastic deformation of members characterised by the members, e.g. a flat strap, yielding through stretching, pulling apart
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- 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
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- 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
- B62D1/195—Yieldable supports for the steering column
Definitions
- the present invention relates to a shock-absorbing steering column device provided with a collision energy absorbing means for absorbing a secondary collision energy of an occupant (driver) at the time of a vehicle collision.
- shock absorbing steering column device is to retract the steering column with the column drive means for the occupant according to the distance between the occupant and the steering wheel or the position of the steering column with respect to the occupant, or There is one in which the amount of secondary collision energy absorbed by the collision energy absorbing means is changed by the energy absorption amount adjusting means.
- the energy absorption amount adjusting means for example, as disclosed in Japanese Patent Application Laid-Open No. 2002-79944. I have.
- the column driving means and the energy absorption amount adjusting means are configured to be driven and controlled by the electric control device, and the distance between the occupant and the steering wheel, or After electrically detecting the position of the steering column with respect to the occupant, it is necessary to electrically control at least one of the column driving means and the energy absorption amount adjusting means based on this detection, which increases costs. Disclosure of the invention
- the present invention has been made in order to solve the above-mentioned problem, and it is intended to reduce the absorption load of the secondary collision energy at the time of a secondary collision with the steering system of the occupant, It is intended to be changed by operation.
- One feature of the present invention is that it absorbs the secondary collision energy of the occupant during a vehicle collision.
- An impact-absorbing steering column device provided with a collision-energy absorbing means for receiving the collision energy, wherein the collision-energy absorbing means includes energy-absorbing-load changing means for changing an absorbing load of the secondary collision energy.
- the change means changes the absorption load by a displacement of the steering column, which is changed by a secondary collision of the occupant with the steering system.
- a specific secondary collision load is input in a specific secondary collision direction.
- the energy absorbing load changing means provided in the collision energy absorbing means can change the absorbing load of the secondary collision energy by the displacement of the steering column changed by the secondary collision of the occupant with the steering system.
- the steering column is displaced in a direction different from the direction of relative movement while absorbing energy toward the front of the vehicle, depending on the direction of secondary collision of the occupant with the steering system and Z or the magnitude of the collision load.
- it is easily displaced.
- Another feature of the present invention is a shock-absorbing steering column device provided with a collision energy absorbing means for absorbing a secondary collision energy of an occupant at the time of a vehicle collision, wherein the collision energy absorbing means is An energy absorbing load changing means for changing the absorbing load of the collision energy is provided, and the energy absorbing load changing means intersects with the relative movement direction of the steering column for absorbing the collision energy due to the secondary collision of the occupant.
- the absorption load is changed by the displacement of the steering column.
- an occupant moves forward in a specific direction with a specific torsional energy according to the presence or absence of a seat belt, a collision speed, a seat position, etc.
- Input a specific secondary collision load in a specific secondary collision direction. Therefore, by utilizing the displacement of the steering column in the direction that intersects the direction of the relative movement of the steering column with respect to the vehicle body ahead of the vehicle to absorb the collision energy, the energy absorption load for absorbing energy can be changed.
- the absorption load by means can be changed.
- the steering column moves in a direction that intersects the direction of relative movement while absorbing energy toward the front of the vehicle, depending on the secondary collision direction of the occupant to the steering system and the Z or the magnitude of the collision load. Displacement or facilitated displacement.
- the absorption load by the energy absorption load changing means can be changed based on the displacement of the steering column.
- the energy-absorbing load changing means changes the absorbing load based on a displacement mode of the steering column.
- the absorption load of the energy absorption load changing means is changed based on the displacement form of the steering column. Therefore, the absorption load can be changed at the displacement position of the steering column.
- the energy absorbing load changing means has an energy absorbing member and a locking means capable of engaging with the energy absorbing member, and the energy absorbing load changing means is configured based on a displacement form of the steering column.
- the engagement load between the energy absorbing member and the locking means is changed to change the absorption load.
- the engagement relationship between the energy absorbing member and the engaging means can be changed based on the displacement form of the steering column, and as a result, the absorbing load can be changed.
- the locking means is a handling means for handling the energy absorbing member, and the energy absorbing member has an energy absorbing portion which is handled by the handling means and absorbs energy. Then, the engagement relationship between the handling means and the energy absorbing portion is changed based on the displacement form of the steering column, and the absorbing load is changed. According to the present invention, for example, the absorption load can be changed by changing the engagement relationship between the handling means and the energy absorbing portion based on the displacement form of the steering column.
- the locking means is a handling means for handling the energy absorbing member, and the energy absorbing member has a plurality of energy absorbing portions having different energy absorbing loads with respect to the handling means.
- An engagement relationship between the handling means and one of the plurality of energy absorbing portions is selected based on a displacement mode of the steering column, and the absorption load is changed.
- the absorbing load is changed by selecting an engagement relationship between the handling means and one of the plurality of energy absorbing portions based on a displacement form of a steering column. be able to.
- the locking means is a handling means for handling the energy absorbing member
- the handling means includes a plurality of handling portions having different handling amounts of the energy absorbing member.
- An engagement relationship between the energy absorbing member and one of the plurality of handle portions is selected based on a displacement mode of the steering column, and the absorbing load is changed.
- the absorption load can be changed by selecting an engagement relationship between the energy absorbing member and one of the plurality of handle portions based on a displacement form of a steering column.
- the energy absorbing member is a linear member engageable with the locking means, and the wire engaging with the locking means based on a displacement form of the steering column.
- the absorption load is changed by changing the presence or absence of engagement with the shape member.
- the absorption load can be changed by changing the presence or absence of engagement with the linear member that engages with the locking means based on the displacement form of the steering column.
- the energy absorbing member is a plurality of linear members engageable with the locking means, and is engaged with the locking means based on a displacement form of the steering column.
- the absorption load is changed by changing the number of engagements with the plurality of linear members.
- the absorption load can be changed by changing the number of engagements with the plurality of linear members engaged with the locking means based on the displacement state of the steering column.
- Another feature of the present invention is that, in the steering column, the energy absorbing member, a ball for plastically deforming the energy absorbing member, Pole supporting means for adjusting the amount of sexual deformation processing, moving the pole supporting means based on the displacement form of the steering column, changing the engagement relationship between the energy absorbing member and the pole, This is to change the load.
- the absorption load can be changed by moving the pole support means based on a displacement form of the steering column and changing an engagement relationship between the energy absorbing member and the ball. it can.
- the energy absorbing member has a long groove having a predetermined width
- the locking means is an odd-shaped handling means that can be relatively displaced in the long groove.
- the engagement load between the long groove of the energy absorbing member and the deformable means is changed based on the displacement form of the column to change the absorption load.
- the absorbing load can be changed by changing the engagement relationship between the long groove of the energy absorbing member and the irregularly-shaped handling means based on the displacement form of the steering column.
- one of the vehicle body side member supporting the steering column and the steering column is provided with an energy absorbing member for generating an energy absorbing load by a relative displacement, and the other is provided with the energy absorbing member.
- the engaging means is provided so as to be engageable, and when the energy absorbing member engages with the engaging means based on a displacement form of the steering column changed by a secondary collision, the energy absorbing member absorbs the energy.
- the absorption load is changed so as to increase by the relative displacement with respect to one of the members.
- the energy absorbing member engages with the locking means based on a displacement mode of the steering column that changes due to a secondary collision, the energy absorbing member is connected to one of the installed energy absorbing members.
- the relative displacement can be changed so as to increase the absorption load.
- the energy absorption load changing means changes the absorption load by a displacement of a steering column that changes depending on a secondary collision direction of an occupant with respect to a steering system.
- the energy absorption load changing means can change the absorption load by a displacement of the steering column that changes depending on the secondary collision direction of the occupant with the steering system.
- the energy absorption load changing means changes the absorption load based on a displacement of a steering column that changes depending on a collision direction of an occupant with respect to a steering system at an early stage of a secondary collision.
- the energy absorption load changing means can change the absorption load based on the displacement of the steering column that changes depending on the collision direction of the occupant with respect to the steering system at the beginning of the secondary collision.
- the energy absorption load changing means changes the absorption load to a larger absorption load when a collision load of a secondary collision of the occupant with the steering system is equal to or greater than a predetermined value. It is. According to the present invention, for example, the energy-absorbing load changing means can change the absorbing load to a larger absorbing load when the collision load of the occupant in the secondary collision with the steering system is equal to or greater than a predetermined value. Another feature of the present invention is that the energy absorption load changing means changes the absorption load to a larger absorption load based on a tilt displacement in which the steering column rises due to a secondary collision of an occupant with a steering system. Things. In this invention, for example, the energy absorption load changing means can change the absorption load to the larger absorption load based on a tilt displacement in which the steering column rises due to a secondary collision of the occupant with the steering system. .
- the energy absorption load changing means changes the absorption load based on a form in which a displacement position of the steering column is different depending on an occupant's secondary collision direction with respect to a steering system. is there.
- the energy absorbing load changing means changes the absorbing load to the larger absorbing load side based on a mode in which the displacement position of the steering column varies depending on the secondary collision direction of the occupant with respect to the steering system. Can be.
- another feature of the present invention is to have a shock absorbing means for absorbing a predetermined collision load separately from the collision energy absorbing means.
- shock absorbing means for absorbing a predetermined collision load can be provided separately from the collision energy absorbing means.
- the collision energy absorbing means changes the presence or absence of the absorption load or the magnitude of the absorption load.
- the collision energy absorbing means can change the presence or absence of the absorption load or the magnitude of the absorption load.
- the energy absorbing load changing means includes: a pressing load applied to a side member of the steering column, which is changed by an occupant's secondary collision with a steering system;
- the deformation of the energy absorbing member provided on the other side is passively changed by the locking means provided on one side between the steering column and the vehicle body side member based on the moving load to be applied, thereby changing the absorbing load. Things.
- the steering column and the steering column are changed based on a pressing load on the vehicle body-side member of the steering column and a moving load for moving the steering column forward which are changed by a secondary collision of the occupant with the steering system. It is possible to change the absorption load by passively changing the deformation of the energy absorbing member provided on the other side by the locking means provided on one side with the vehicle body side member.
- the locking means is formed on a vehicle body-side member, and the energy absorbing member is provided in a longitudinal shape along the axis of the steering column so as to face the locking means.
- the energy absorbing member of the steering column is deformed by the locking means of the vehicle body side member.
- the locking means is formed on a vehicle body-side member, and the energy absorbing member is provided in a longitudinal shape along the axis of the steering column so as to face the locking means.
- the energy absorbing member of the steering column can be deformed by the locking means.
- Another feature of the present invention is that the engagement between the locking means and the energy absorbing member is enabled only when a predetermined collision load is applied to the vehicle body-side member of the steering column.
- the contact between the locking means and the energy absorbing member can be enabled only with a predetermined collision load or more directed toward the vehicle body-side member of the steering column.
- the steering column can be tilted and displaced toward a vehicle body side member in a secondary collision.
- the steering column can be tilted and displaced toward the vehicle body-side member in a secondary collision.
- the absorption load increases as the pressing load of the steering column against the vehicle body-side member increases. In the present invention, for example, the larger the pressing load of the steering column against the vehicle body-side member, the larger the absorption load can be.
- Another feature of the present invention is to have a shock absorbing means for absorbing a predetermined collision load separately from the collision energy absorbing means.
- a shock absorbing means for absorbing a predetermined collision load separately from the collision energy absorbing means.
- FIG. 1 is a side view showing a first embodiment of a shock absorbing type steering column device according to the present invention.
- FIG. 2 is an enlarged side view of a main part of FIG.
- FIG. 3 is an enlarged sectional view taken along line 3-3 in FIG.
- FIG. 4 is an enlarged plan view of the steering attachment member shown in FIGS.
- FIG. 5 is a partially enlarged side view showing a part of the steering column, the upper support mechanism, the lower support mechanism, and the like shown in FIGS. 1 and 2.
- FIG. 6 is a longitudinal side view showing the relationship between the support bracket, the energy absorbing member, the bush, the collar, the port, and the like shown in FIG.
- FIG. 7 is an operation explanatory view of main parts when the steering column moves forward at the time of a vehicle collision with the occupant wearing a seat belt.
- FIG. 8 is an operation explanatory view of main parts when the steering column moves forward at the time of a vehicle collision in a state where the occupant does not wear a seat belt.
- FIG. 9 is a side view of a main part showing a modification of the first embodiment.
- FIG. 10 is a side view showing a shock-absorbing steering column device according to a second embodiment of the present invention.
- FIG. 11 is a plan view of the steering column device shown in FIG.
- FIG. 12 is a longitudinal sectional front view showing the relationship between the energy absorbing member and the engagement pin shown in FIG. 17
- FIG. 13 is an operation explanatory diagram when a secondary collision load in the column axial direction is input to the steering column device shown in FIG.
- FIG. 14 is an operation explanatory diagram when a substantially horizontal secondary collision load is input to the steering column device shown in FIG.
- FIG. 15 is a side view showing a third embodiment of the shock absorbing steering column device according to the present invention.
- FIG. 16 is a plan view of the steering column device shown in FIG.
- FIG. 17 is a longitudinal sectional front view showing the relationship between the energy absorbing member and the engagement hook shown in FIG.
- FIG. 18 is an operation explanatory diagram when a secondary collision load in the column axial direction is input to the steering column device shown in FIG.
- FIG. 19 is an operation explanatory diagram when a substantially horizontal secondary collision load is input to the steering column device shown in FIG.
- FIG. 20 is a side view showing a fourth embodiment of the shock absorbing steering column device according to the present invention.
- FIG. 21 is a plan view of the steering column device shown in FIG.
- FIG. 22 is a longitudinal sectional front view showing the configuration of the upper support mechanism shown in FIG.
- FIG. 23 is an explanatory diagram of the operation when a secondary collision load in the column axial direction is input to the steering column device shown in FIG.
- FIG. 24 is an operation explanatory diagram when a substantially horizontal secondary collision load is input to the steering column device shown in FIG.
- FIG. 25 is a side view showing a fifth embodiment of the shock absorbing steering column device according to the present invention.
- FIG. 26 is a plan view of the steering column device shown in FIG.
- FIG. 27 is a longitudinal sectional front view showing the relationship between the pole and the ring shown in FIG. 25 and the rod with which the arm of the ring can be engaged.
- FIG. 28 is a longitudinal sectional front view showing the engagement relationship between the arm and the rod of the ring shown in FIG. 27.
- Figure 29 shows a secondary collision in the axial direction of the column with the steering column device shown in Figure 25.
- FIG. 30 is an operation explanatory diagram when a substantially horizontal secondary collision load is input to the steering column device shown in FIG. 25.
- FIG. 31 is an enlarged vertical sectional front view showing the relationship between the pawl and the engagement groove formed in the lower column when the ring shown in FIG. 27 is rotated by the mouth pad.
- FIG. 32 is a side view showing a shock-absorbing steering column device according to a sixth embodiment of the present invention.
- FIG. 33 is a longitudinal sectional side view showing the relationship between the upper energy absorbing member shown in FIG. 32 and the reinforcing plate of the support bracket, and the like.
- FIG. 34 is a longitudinal sectional front view showing the relationship between the upper energy absorbing member shown in FIG. 32 and the reinforcing plate of the support bracket, and the like.
- FIG. 35 is an explanatory diagram of the operation of the steering column device shown in FIG. 32 when the upward component force of the secondary collision load applied to the steering column is small.
- FIG. 36 is an explanatory diagram of the operation of the steering column device shown in FIG. 32 when the upward component force of the secondary collision load applied to the steering column is large.
- FIG. 37 is a side view showing a shock-absorbing steering column device according to a seventh embodiment of the present invention.
- FIG. 38 is a plan view of the steering column device shown in FIG.
- FIG. 39 is a longitudinal sectional side view showing the relationship between the upper energy absorbing member shown in FIG. 37 and the reinforcing plate of the support bracket, and the like.
- FIG. 40 is a vertical sectional front view showing the relationship between the upper energy absorbing member shown in FIG. 37 and the reinforcing plate of the support bracket, and the like.
- FIG. 41 is an operation explanatory diagram of the steering column device shown in FIG. 37 in a case where the upward component force of the secondary collision load applied to the steering column is small.
- FIG. 42 is an explanatory diagram of the operation of the steering column device shown in FIG. 37 when the upward component force of the secondary collision load input to the steering column is large.
- FIG. 43 is a side view showing an eighth embodiment of the shock absorbing steering column device according to the present invention.
- FIG. 44 is a plan view of the steering column device shown in FIG. 03 010417
- FIG. 45 is a longitudinal sectional side view showing the relationship between the upper energy absorbing member and the support bracket shown in FIG. 43, and the like.
- FIG. 46 is a longitudinal sectional front view showing the relationship between the upper energy absorbing member and the support bracket shown in FIG. 43, and the like.
- FIG. 47 is an operation explanatory diagram at the beginning of operation when the upward component force of the secondary collision load input to the steering column of the steering column device shown in FIG. 43 is small.
- FIG. 48 is an explanatory diagram of the middle stage of operation when the upward component force of the secondary collision load applied to the steering column of the steering column device shown in FIG. 43 is small.
- FIG. 49 is an operation explanatory diagram at the beginning of the operation when the upward component force of the secondary collision load applied to the steering column of the steering column device shown in FIG. 43 is large.
- FIG. 50 is an operation explanatory diagram of the middle stage of operation when the upward component force of the secondary collision load input to the steering column of the steering column device shown in FIG. 43 is large.
- FIG. 51 is a side view showing a ninth embodiment of the shock absorbing steering column device according to the present invention.
- FIG. 52 is a plan view of the steering column device shown in FIG.
- FIG. 53 is a longitudinal sectional side view showing a relation between the upper energy absorbing member and the support bracket shown in FIG. 51, and the like.
- FIG. 54 is a vertical sectional front view showing the relationship between the upper energy absorbing member and the support bracket shown in FIG. 51, and the like.
- FIG. 55 is an operation explanatory diagram of the initial operation of the steering column device shown in FIG. 51 when the upward component force of the secondary collision load applied to the steering column is small.
- FIG. 56 is an explanatory diagram of the middle stage of operation when the upward component force of the secondary collision load applied to the steering column of the steering column device shown in FIG. 51 is small.
- FIG. 57 is an operation explanatory diagram of the initial operation of the steering column device shown in FIG. 51 in a case where the upward component force of the secondary collision load input to the steering column is large.
- FIG. 58 is an explanatory diagram of the middle stage of operation when the upward component force of the secondary collision load applied to the steering column of the steering column device shown in FIG. 51 is large.
- FIG. 59 is a side view showing a tenth embodiment of the shock absorbing steering column device according to the present invention.
- FIG. 60 is a plan view of the steering 'Jing column device shown in FIG.
- FIG. 61 is a vertical cross-sectional side view showing the relationship between the upper energy absorbing member shown in FIG. 59 and the handling plate provided on the reinforcing plate of the support bracket in the upper support mechanism.
- FIG. 62 is a vertical sectional front view showing the relationship between the upper energy absorbing member shown in FIG. 59 and the handle plate provided on the support plate of the support bracket in the upper support mechanism.
- FIG. 63 is an explanatory view of the operation of the steering column device shown in FIG. 59 in the case where the upward component force of the secondary collision load input to the steering column is small.
- FIG. 64 is an explanatory diagram of the operation of the steering column device shown in FIG. 59 when the upward component force of the secondary collision load input to the steering column is large.
- FIGS. 1 to 8 show a first embodiment of a shock-absorbing steering column device according to the present invention.
- a steering system which supports a steering shaft 11 so as to be rotatable and unable to move in an axial direction.
- the column 12 is supported by a steering mounting member 20 which is a part of the vehicle body at a predetermined inclination angle by an upper support mechanism A and a lower support mechanism B.
- the steering shaft 11 is connected at its lower end (front end) to an intermediate shaft 14 which can be extended and contracted and capable of transmitting torque via a universal joint 13.
- the intermediate shaft 14 is a universal joint. It is connected to the steering gear box 16 via 15.
- a steering wheel 17 equipped with an airbag device is attached so as to be rotatable.
- the upper support mechanism A supports the upper portion of the steering column 12 during normal use, and supports the upper portion of the steering column 12 so that the upper portion of the steering column 12 can be adjusted vertically (tilt can be adjusted). In the event of a secondary collision, the steering column 12 can be tilted upward and move forward along the column axis.
- the upper support mechanism A has a pair of left and right arms 31a and 31b extending downward and uses a pair of left and right mounting bolts 39 on the steering mounting member 20.
- Iron plate support bracket 31 integrally fixed, and iron plate column side bracket having a pair of left and right arms 32a, 32b extending upward and integrally fixed to steering column 12 by welding.
- an engagement / disengagement means 40 for fixing or releasing both arms 32a, 32b of the column side bracket 32 to both arms 31a, 31b of the support bracket 31 by frictional engagement.
- An operation lever 50 for operating the engagement / disengagement means 40 is provided.
- the steering mounting member 20 has a mounting portion 21 of the upper support mechanism A in an upper portion and a mounting portion 22 of a lower support mechanism B in a lower portion.
- the mounting portion 21 of the upper support mechanism A is formed in a substantially U-shaped cross section as shown in FIG. 3, and has a substantially V-shaped convex surface S1 at the lower end.
- the mounting portion 21 has a pair of left and right port through holes 21b, 21c through which each mounting port 39 is inserted, and these port insertion holes 21b, 21c are formed.
- a pair of left and right nuts 23 and 24 to which each mounting port 39 is screwed corresponding to c are integrally fixed by welding. As shown in FIGS.
- the support bracket 31 is formed in a substantially M-shaped cross section, and is substantially V-shaped at the top thereof and tightly joined to the substantially V-shaped convex surface S1 of the steering mounting member 20.
- A is formed with a pair of left and right arms 31a and 31b extending downward.
- the board 31A is provided with a pair of left and right port through holes 31c (see FIG. 6) through which the respective mounting ports 39 pass.
- Each arm 31a, 3lb has a pair of guide holes 31a1, 3lbl and 31a2, 31b2 extending forward as shown in Figs. Is formed.
- the lower guide holes 3 1 a 1 and 3 1 b 1 are linearly formed so as to be substantially parallel to the axial direction of the steering column 12 as shown in FIGS. 1, 2 and 6.
- the guide holes 31a2 and 31b2 communicate with the rear ends of the upper guide holes 31a3 and 31b3.
- the upper guide holes 31a2 and 31b2 have a predetermined angle with respect to the lower guide holes 31a1 and 3lbl. 0 It is inclined upward and formed linearly.
- the column-side bracket 32 extends upward and slidably engages with the arms 31a and 31b of the support bracket 31 from the outside. It has a pair of left and right arms 32a, 32b that match each other. Is formed.
- the engagement / disengagement means 40 includes arc-shaped long holes 32 a 1 and 32 b 1 formed in both arms 32 a and 32 b of the column-side bracket 32 and a support bracket.
- 31 Non-rotatable lock port 41 penetrating through guide holes 31a1, 31b1 and 3la2, 31b2 formed in both arms 31a, 31b, and column side bracket Fitted around the outer periphery of the lock port 41 between the two arms 32a and 32b of 32, and into the guide holes 31al and 31bl and 31a2 and 31b2 at both left and right ends.
- the collar 42 to be fitted, the nut 43 screwed into the threaded portion 41 a of the lock port 41 and rotated by the operating lever 50, and the arm 32 a on the left side of the column side bracket 32 and the operating lever 50 And a pair of left and right cam plates 44 mounted on the lock port 41.
- the detailed configuration of the pair of left and right cam plates 44 is the same as the configuration of the cam plate described in Japanese Patent Application Laid-Open No. 2000-62624, and therefore description thereof will be omitted.
- the nut 43 is tightened to the lock port 41, and the rotation of the operation lever 50 is performed by the two cam plates 44. Is converted into an axial stroke of the lockport 41, and a predetermined frictional engagement is obtained between the arms 31a and 32a of the brackets 31 and 32 and between the arms 3lb and 32b.
- the column side bracket 32 is fixed (locked) to the lock 31 and the operation lever 50 is rotated clockwise in FIG. 1, the nut 43 is loosened, and the friction The engagement is released, and the column side bracket 32 can be tilted with respect to the support bracket 31.
- the support plate 35 is attached to the servo bracket 31 and a pair of upper and lower arms is provided.
- the energy absorbing members 36 and 37 are assembled.
- the support plate 35 extends in the left-right direction in the support bracket 31, and is fixed at both ends to the arms 3 la and 31 b of the support bracket 31 by welding.
- the lower energy absorbing member 36 is provided corresponding to the lower guide holes 31a1 and 31b1, and is supported by the column side bracket 32 at the time of a secondary collision in the event of a vehicle collision.
- the lock port A thin, long plate with a predetermined width that absorbs secondary collision energy due to plastic deformation caused by 4 1 and collar 4 2 (a plate that absorbs a small amount of energy when absorbing secondary collision energy). It is fixed to the support plate 35 by welding, and is fixed to the upper surface of the reinforcing plate 31 B of the support bracket 31 at the front end by welding.
- the upper energy absorbing member 37 is provided corresponding to the upper guide holes 31a2 and 31b2, and is supported by the column side bracket 32 at the time of a secondary collision in the event of a vehicle collision.
- the lock port 4 1 and the collar 42 move forward along the guide holes 3 1 a 2 and 3 1 b 2, the lock port 4 It is a long plate with a predetermined width and a large thickness that absorbs secondary collision energy (plate that absorbs a large amount of energy when absorbing secondary collision energy). It is fixed to the support plate 35 by welding, and is fixed to the lower surface of the upper wall of the board 31A of the support bracket 31 at the front end by welding.
- the lower support mechanism B supports the lower portion of the steering column 12 during normal use, and supports the lower portion of the steering column 12 in a tiltable (rotatable) manner during a secondary collision in the event of a vehicle collision.
- the steering column 12 is supported movably forward along the column axis.
- this lower support mechanism B has a pair of left and right arms 61a extending downward and is integrally fixed to the steering mounting member 20.
- Body-side bracket 6 1 made of steel
- column-shaped bracket 6 2 made of iron plate formed in a chevron shape and integrally fixed to the upper outer periphery of the lower part of steering column 12 by welding
- body-side bracket 6 To 1 On the other hand, it is constituted by connecting means 70 for connecting the column side bracket 62 so as to be movable and tiltable in the column axial direction.
- the connecting means 70 includes a pair of right and left long holes 62 a formed in the column side bracket 62 and extending in the column axial direction and extending rearward, which are assembled by fitting and are broken by a predetermined load. Resin bush 7 1, 7 2 and both resin bush 7 1,
- a seat belt device 90 is mounted.
- the seat belt device 90 is provided with a seat belt 91, a tonda plate 92, a buckle 93, a shoulder belt anchor 94, and a retractor 95 having a built-in pretensioner mechanism and a force limiter mechanism.
- the occupant H can be restrained by the seat belt 91.
- each arm 3 of the brackets 3 1 and 3 2 can be moved. Predetermined frictional engagement between la and 3 2a and between arms 3 1b and 3 2b And the column side bracket 32 is fixed to the support bracket 31. Therefore, the steering column 12 is a part of the vehicle body at a predetermined inclination angle by the upper support mechanism A and the lower support mechanism B. It is fixed to and supported by the steering mounting member 20.
- the occupant H at the time of collision of the vehicle while the occupant H is wearing the seat belt 91, the occupant H is restrained by the seat belt 91, Move forward with your upper body leaning forward. Therefore, at the time of the secondary collision in this case, the occupant H firstly applies the steering wheel 12 to the steering column 12 via the steering wheel 17 and the steering shaft 11 in the F1 direction shown in FIG. 2 (the axis of the steering column 12). Collision direction), and the collision load overcomes the above-mentioned predetermined frictional engagement and the breakage load of each bush 71, 72, so that the steering column 12 moves in its axial direction. Move forward along.
- the lock port 41 and the collar 42 in the upper support mechanism A move the lower guide holes 3 as shown in FIG. It moves forward along 1 a 1 and 3 1 b 1 to plastically deform the lower energy-absorbing member 36 to reduce the secondary collision energy absorption load. Therefore, at this time, the seat belt device 90 functions, and the airbag device mounted on the steering wheel 17 and the lower guide holes 31a1, 31b1 in the upper support mechanism A correspond.
- the lower energy absorbing member 36 provided sequentially functions to absorb the secondary collision energy of the occupant H.
- the collision load in the direction F2 in FIG. 2 acts on the steering column 12 at the initial stage, and this collision load is applied to the predetermined frictional engagement and each bushing 7 1 , 72, the steering column 12 moves forward along its axial direction while being displaced so as to stand up.
- each guide hole 3 1a1, 3 1b1 Move from the rear end of each guide hole 3 1a1, 3 1b1 to the rear end of the upper guide hole 3la2, 31b2 through the guiding part 3 1a3, 31b3.
- the upper energy absorbing member 37 is moved forward along the upper guide holes 3 1 a 2 and 3 1 b 2 to plastically deform the upper energy absorbing member 37 to absorb the secondary collision energy. Increase the load. Therefore, at this time, the airbag device mounted on the steering wheel 17 and the upper energy absorbing member 3 7 provided in the upper support mechanism A corresponding to the upper guide holes 3 1 a 2, 3 1 b 2 are provided. Function sequentially to absorb the secondary collision energy of the occupant H.
- a specific secondary collision load (for example, F1 or F2) is input to the steering column 12 in a specific secondary collision direction. Therefore, in the early stage of the secondary collision of the occupant H with the steering system, the steering column 12 is provided with the guide holes 3 1 a 1, 3 1 bl and 3 1 a 2, 3 1 b provided in the sabot bracket 31.
- the energy-absorbing member 36 or 37 provided corresponding to the function of the vehicle is activated to change the absorption load of the secondary collision energy at the time of the secondary collision.
- the guide holes 3 1 al, 31 bl and 31 a 2, provided in the support bracket 31 are provided.
- Absorbing load changing means such as 3 1 b 2 and guiding sections 3 1 a 3 and 3 1 b 3, change the absorbing load of the secondary collision energy by the mechanical action of the occupant H on the steering system in the secondary collision direction It is like that.
- the lower energy absorbing member 36 is constituted by a thin long plate having a predetermined width
- the upper energy absorbing member 37 is constituted by a thick long plate having a predetermined width
- the lower energy absorbing member 36 is made of a long plate having a predetermined thickness and a narrow width
- the upper energy absorbing member 37 is made of a long plate having a predetermined thickness and a wide width. It is also possible to apply.
- the present invention is applied to a steering device having a tilt function.
- the present invention can be similarly applied to a steering column device not having a tilt function.
- two guide holes 31a1, 31bl and 31a2, 31b2 are provided in the support bracket 31 and each of the guide holes corresponds to each guide hole.
- the energy absorbing members 36 and 37 were provided and implemented, the number thereof may be increased as appropriate.
- two guide holes 31a1, 31bl and 31a2, 31b2 are provided on the support bracket 31 which is a vehicle-side member of the upper support mechanism A.
- the collision guide provided with two guide holes 31a1, 31bl and 31a2, 31b2 and two or more types of energy absorbing members 36 and 37.
- the energy absorption means was provided on the upper support mechanism A side, but as shown in Fig. 9, the two guide holes 3 1 a 1, 3 1 bl and 3 1 a 2, 3 1 b 2 and 2
- the lower support mechanism B with a collision energy absorbing means provided with a kind of energy absorbing members 36 and 37 and the like.
- the rear end of the energy absorbing member 36 is fixed to the upper surface of the steering column 12 by welding
- the rear end of the energy absorbing member 37 is fixed to the lower surface of the upper wall of the column side bracket 62 by welding. You.
- each of the energy absorbing members 36 and 37 which are plastically deformed by the lock port 41 and the collar 42 to absorb the secondary collision energy is constituted by a long plate separate from the support bracket 31.
- Each of the guide holes 31a1, 31b1 and 31a2, 31b2 formed in the support bracket 31 By changing the hole width of the support bracket 31, each guide hole forming part of the support bracket 31 can be plastically deformed by the mouthpiece 41 and the collar 42 to absorb the secondary collision energy. It is.
- the steering column 12 is supported by the upper support mechanism A so that the upper part can move forward, and the lower part is supported by the lower support mechanism B so that it can move forward.
- the present invention has been applied to the steering column device, the present invention can be similarly applied to a steering device in which the steering column is supported by one supporting mechanism so as to be movable forward.
- FIGS. 10 to 14 show a second embodiment of the shock absorbing steering column device according to the present invention.
- a collision energy absorbing means for absorbing the secondary collision energy of the occupant H FIG. A pair of left and right energy absorbing members 101, 102 provided in the upper support mechanism A, engaging pins 103, 104 provided in the steering column 12, and provided in the lower support mechanism B Energy absorbing members such as 105 are used. Since the configuration other than the collision energy absorbing means for absorbing the secondary collision energy of the occupant H is substantially the same as the configuration of the first embodiment described above, the same reference numerals are given and the description is omitted. .
- the pair of left and right energy absorbing members 101 and 102 absorb the secondary collision energy by plastically deforming when the engaging pins 103 and 104 are engaged and pass forward. It is formed integrally with the reinforcing plate 3 1 B of the support bracket 31 in the upper support mechanism A and faces at a predetermined gap, and moves back and forth along the axial direction of the steering column 12. Extending in the direction.
- the engaging pins 103 and 104 are provided so as to protrude upward from the steering column 12, and the leading ends of the engaging pins 103 and 104 mainly include Engagement pins 103, 104 fit into the gaps between the energy absorbing members 101, 102 and function as stoppers for retaining when they move forward 103a, 104 a is formed integrally.
- the engagement pin 103 on the tip side is formed to have an outer diameter slightly larger than the gap between the energy absorbing members 101 and 102, and the steering column 12 is located above the state shown in FIG. Energy absorbing member 1 by tilting and moving forward 1
- the energy absorbing members 101 and 102 can be plastically deformed by fitting into the gap between the energy absorbing members 101 and 102. is there.
- the engagement pin 104 on the proximal end side is formed to have an outer diameter slightly larger than the outer diameter of the engagement pin 103 on the distal end side, and the steering column 12 is in the state shown in FIG.
- ⁇ 2 ⁇ ⁇ ⁇ 2
- the energy absorbing members 101 and 102 can be plastically deformed by fitting into the gap between the two.
- the energy absorbing member 105 provided in the lower support mechanism B engages with the collar 73 of the connecting means 70 when the steering column 12 moves forward as shown in FIG. It is a long plate that plastically deforms and absorbs secondary collision energy.It is fixed at one end 105 a to the column side bracket 62 of the lower support mechanism B, and surrounds the collar 73 forward. It is extending toward.
- the steering column 11 is moved to the steering column 12 via the steering shaft 11 in the direction of the arrow (
- a secondary collision load in the axial direction of the column
- the steering column 12 moves forward in the axial direction. Therefore, at this time, the energy absorbing member 105 is plastically deformed by the collar 73 in a state where the engaging pins 103 and 104 are not fitted in the gap between the energy absorbing members 101 and 102. Be transformed. Therefore, at this time, the secondary collision energy is absorbed only by the plastic deformation of the energy absorbing member 105 by the collar 73, and the absorption load of the secondary collision energy is small.
- the engagement pin 103 on the distal end side is The energy absorbing members 101 and 102 are plastically deformed by fitting into the gap between the members 102 and 102, and the energy absorbing member 105 is plastically deformed by the collar 73. Therefore, at this time, the plastic deformation of the energy absorbing members 101 and 102 by the engagement pins 103 on the distal end side and the plastic deformation of the energy absorbing members 105 by the The collision energy is absorbed, and the absorbed load of the secondary collision energy is made larger than that shown in Fig. 13.
- the secondary collision load in the direction of the arrow shown in FIG. 14 is large, and the steering column 12 tilts further upward than the state shown in FIG. 14 and then moves forward in the axial direction.
- the engagement pin 104 on the base end side fits into the gap between the energy absorbing members 101 and 102 to cause the energy absorbing members 101 and 102 to be plastically deformed.
- the energy absorbing member 105 is plastically deformed by the collar 73. Therefore, at this time, the secondary collision occurs due to the plastic deformation of the energy absorbing members 101 and 102 by the engagement pin 104 on the proximal end side and the plastic deformation of the energy absorbing member 105 by the collar 73.
- the energy is absorbed, and the absorbed load of the secondary collision energy is larger than that shown in Fig. 14.
- the absorption load changing means such as the engagement pins 103 and 104 is used to change the steering system of the occupant H.
- the secondary collision energy absorption load is changed according to the secondary collision direction and the secondary collision load.
- FIGS. 15 to 19 show a third embodiment of a shock-absorbing steering column device according to the present invention.
- a collision energy absorbing means for absorbing a secondary collision energy of the occupant H FIG.
- the three energy absorbing members 11, 11, 12, and 13 provided in the upper support mechanism A, the engaging hooks 11 and 14 provided in the steering column 12, and the lower support mechanism B Energy absorbing members 115 are used.
- the configuration other than the collision energy absorbing means for absorbing the secondary collision energy of the occupant H is substantially the same as the configuration of the first embodiment described above. TJP2003 / 010417
- Each of the energy absorbing members 1 1 1, 1 1 2, 1 1 3 is an iron rod that plastically deforms and absorbs secondary collision energy when the engaging hook 114 engages and moves forward.
- the support bracket 31 in the upper support mechanism A is sequentially locked on the reinforcing plate 31B.
- Each of the energy absorbing members 1 1 1, 1 1 2, 1 1 3 is formed in a U-shape that opens forward, and the portion from the intermediate portion to the front end is in the axial direction of the steering column 12. The rear end portion is bent downward as shown in FIG. 17 and can be engaged with the engagement hook 114 at substantially the center thereof.
- the reinforcing plate 31B of the sabot bracket 31 allows the forward movement of the engaging hook 114 engaged with each of the energy absorbing members 111, 112, 113. Notch 3 1 d is formed.
- the engagement hook 114 is provided so as to protrude upward from the steering column 12.
- Each energy absorbing member 1 1 1, 1 1 2, 1 1 3 can be engaged, and by engaging each energy absorbing member 1 1, 1 1 2, 1 1 3, each energy absorbing member 1 1 1 , 1 1 2 and 1 1 3 can be plastically deformed.
- the energy absorbing member 115 provided in the lower support mechanism B engages with the collar 73 of the connecting means 70 to plastically deform. It is a long plate that absorbs the secondary collision energy and is fixed at one end 105a to the column side bracket 62 of the lower support mechanism B, and extends forward while surrounding the collar 73. ing.
- the steering column 12 moves forward in the axial direction.
- the energy absorbing member 115 is plastically deformed by the collar 73 in a state where the engaging hook 114 is not engaged with the energy absorbing member 111, 112, 113. Therefore, at this time, the secondary collision energy is absorbed only by the plastic deformation of the energy absorbing member 115 by the collar 73, and the secondary collision energy is absorbed.
- the load is assumed to be small.
- the engaging hooks 114 engage with the energy absorbing member 111 at the lower end to plastically deform the energy absorbing member 111, and the energy absorbing member 115 is moved by the collar 73. Plastically deformed. Therefore, at this time, the secondary collision energy is absorbed by the plastic deformation of the energy absorbing member 111 by the engaging hooks 114 and the plastic deformation of the energy absorbing member 115 by the collar 73. It is assumed that the absorption load of the secondary collision energy is larger than that shown in Fig. 18.
- the secondary collision load in the direction of the arrow shown in FIG. 19 is large, so that the steering column 12 tilts further upward than the state shown in FIG. 19 and then moves forward in the axial direction.
- the engaging hook 1 1 4 is engaged with the energy absorbing member 1 1 1, 1 1 2 or 1 1 1 to 1 1 3 and the energy absorbing member 1 1 1, 1 1 2 or 1 1 1 to 1 13 is plastically deformed, and the energy absorbing member 115 is plastically deformed by the collar 73.
- each of the energy absorbing members 111, 112, 113 and the engaging hook 111 changes the absorbing load of the secondary collision energy according to the secondary collision direction and the secondary collision load of the occupant H with respect to the steering system. Therefore, by appropriately setting the shape of each energy absorbing member 111, 112, 113 and the shape and arrangement of the engaging hook 114, the machine 03 010417
- FIGS. 20 to 24 show a fourth embodiment of the shock absorbing type steering column device according to the present invention.
- a collision energy absorbing means for absorbing the secondary collision energy of the occupant H FIG.
- a pair of left and right energy absorbing members 12 1 and 12 2 provided on the lower support mechanism B, a cam 123 and an energy absorbing member 124 are employed.
- the configuration other than the collision energy absorbing means for absorbing the secondary collision energy of the occupant H is substantially the same as the configuration of the above-described first embodiment, and thus the same reference numerals are given and the description is omitted. I do.
- the pair of left and right energy absorbing members 1 2 1 and 1 2 2 are iron plates that are plastically deformed and absorb secondary collision energy when moving forward by engaging with the cam 1 23. It is formed integrally with a pair of left and right vertical walls of the column side bracket 62 in B, and is slightly inclined upward with respect to the axial direction of the steering column 12 and extends in the front-rear direction.
- the cams 123 are used in place of the bushes 71, 72 and the collar 73 of the connecting means 70, and are non-rotatably mounted on the square portion 74a of the port 74, and One of the two width portions 123 a formed on the upper, lower, left and right sides of the circumference is assembled at an angle substantially coinciding with the longitudinal direction of the long hole 62 a provided in the column bracket 62. Also, the cam 123 can rotate relative to the front end of the long hole 62a provided in the column-side placket 62, and the energy absorbing member 122 except for the front end of the long hole 62a. Engage with 1 2 2 and 1 2 4 and make energy absorbing members 1 2 1, 1 2 2 and 1 2 4 plastic by engaging with energy absorbing members 1 2 1, 1 2 2 and 1 2 4 Deformable.
- the energy absorbing member 124 engages with the cam 123 and plastically deforms to cause the secondary collision. It is a long plate that absorbs energy, is fixed to the column side bracket 62 at one end (not shown), and extends forward while enclosing the cam 123 (Fig. 20). reference).
- the second embodiment in the event of a vehicle collision P2003 / 010417
- the change means changes the absorption load of the secondary collision energy according to the secondary collision direction and the secondary collision load of the occupant H with respect to the steering system.
- FIGS. 25 to 31 show a fifth embodiment of the shock absorbing type steering column device according to the present invention.
- a collision energy absorbing means for absorbing the secondary collision energy of the occupant H FIG.
- the device is employed.
- the steering shaft 11 is composed of an upper shaft 11a and a lower shaft lib that can expand and contract in the axial direction and transmit torque.
- the steering column 12 is composed of an upper column 1 2a and a lower column 1 2b which can expand and contract in the axial direction, so that the upper shaft 1 1a and the lower shaft 1 1b are rotatable and axially immovable, respectively. I support it.
- the upper column 12a is supported by a steering mounting member, which is a part of the vehicle body, at a predetermined inclination angle by an upper support mechanism Aa so as to be tiltable and detachable forward with a set load.
- the lower column 12b is tiltably (rotatably) supported by a lower mounting mechanism Ba at a predetermined inclination angle to a steering mounting member which is a part of the vehicle body, and has a periphery.
- Three engagement grooves 12 bl, 12 b 2 and 12 b 3 are formed along the axial direction corresponding to each pole 13 1.
- Each engaging groove 1 2 b 1, 12 b 2, 1 2 b 3 has a different depth and is formed continuously in the circumferential direction of the mouth colum 1 2 b.
- the depth of the engagement groove 1 2 b 1 with which 1 3 1 is engaged is formed the deepest, and the depth gradually decreases from this engagement groove 1 2 b 1 to the engagement groove 1 2 b 3. Is formed.
- Each of the poles 13 1 is a steel ball, held at a predetermined circumferential interval in the ring 1 32, rotatable integrally with the ring 1 32, and axially integrated with the ring 13 2. Movable and plastically moves along the engagement groove 1 2 bl, 1 2 b 2 or 1 2 b 3 on the outer circumference of the mouth column 1 2 b when moving axially forward with the ring 1 32 T JP2003 / 010417
- the ring 132 has a plurality of spherical holes 13b (see Fig. 31) for accommodating and holding a part of each pole 1311 on the inner circumference. It is mounted on the outer circumference of 1 2b, and an arm 13 2a is provided on the right side. The arm 132a protrudes radially outward of the ring 132, and is engageable with the rod 1332.
- the rod 13 3 is fixed to the steering mounting member and protrudes downward. As shown in FIG. 28, the lower column 12 b of the steering column 12 is further moved by a predetermined distance from the tilt stroke L. When tilted upward, the ring 132 can be rotated clockwise in FIG. 28 by engaging the arm 132a.
- the steering column is connected via the upper shaft 11 a of the steering shaft 11.
- a secondary collision load in the direction of the arrow (column direction) is input to the upper column 1 2a of 1 2
- the upper column 1 2a moves forward in the axial direction and pushes the ring 13 2 forward.
- each ball 13 1 moves forward together with the ring 13 2 while being engaged with the deepest engagement groove 1 2 b 1, and the engagement groove 1 2 b 1
- the outer periphery of the lower column 1 2b is plastically deformed along. Therefore, at this time, the outer periphery of the lower column 12b is slightly plastically deformed by the pole 131, so that the secondary collision energy is absorbed, and the absorption load of the secondary collision energy is reduced.
- the upper column 12 a of the steering column 12 is moved in the direction of the arrow (approximately) via the upper shaft 11 a of the steering shaft 11.
- the secondary collision load horizontal direction
- the upper column 12a and the lower column 12b of the steering column 12 tilt upward in the early stage of the secondary collision according to the secondary collision load in the direction of the arrow, and then the upper column 1 2a moves forward in the axial direction with respect to the lower column 1 2b.
- the arm 13 2 a of the ring 13 2 is engaged with the rod 13 3.
- the ring 1 32 is moved as shown in Fig. 28 (c) and Fig. 31 It turns in the measuring direction. Therefore, at this time, after each pole 1 3 1 moves from the deepest engagement groove 1 2 b 1 to the shallow engagement groove 1 2 b 2 or 1 2 b 3, the engagement groove 1 2 b 2 or While engaging with 1 2 b 3, it moves forward together with the ring 13 2 to plastically deform the outer periphery of the lower column 12 b along the engaging groove 12 b 2 or 12 b 3.
- the outer periphery of the lower column 1 2b is largely plastically deformed by the pole 13 1 and the secondary collision energy is absorbed and the secondary collision energy is absorbed, as compared with the case where the ring 13 2 does not rotate.
- the load is assumed to be large.
- the absorbing load changing means such as the rod 133, the ring 1332, and the pole 131, etc.
- the secondary collision energy absorption load is changed according to the secondary collision direction and the secondary collision load on the steering system.
- FIGS. 32 to 36 show a sixth embodiment of the shock absorbing type steering column device according to the present invention.
- a collision energy absorbing means for absorbing the secondary collision energy of the occupant H FIG.
- An energy absorbing member 144 provided in the upper supporting mechanism A and an energy absorbing member 144 provided in the lower supporting mechanism B are employed.
- the configuration other than the collision energy absorbing means for absorbing the secondary collision energy of the occupant H is substantially the same as the configuration of the above-described first embodiment, and thus the same reference numerals are given and the description is omitted. .
- the energy absorbing member 1 41 is an iron plate that absorbs the secondary collision energy by plastically deforming when moving forward by engaging with the reinforcing plate 3 1 B of the support bracket 31 in the upper support mechanism A. And is fixed to the upper surface of the steering column 12 by welding together with the iron-made base plate 144. Further, the energy absorbing member 141 has a bulging portion 141a that bulges upward in a portion from the intermediate portion to the rear end portion. A reinforcing plate that extends in the front-back direction along the axial direction of the column 12 and is bent into an L-shaped cross section 3 1 B T JP2003 / 010417
- the energy absorbing member 144 provided in the lower support mechanism B engages with the collar 73 of the connecting means 70 when the steering column 12 moves forward.
- a long plate that plastically deforms and absorbs secondary collision energy.It is fixed at one end to the column-side bracket 62 of the lower support mechanism B and extends forward while surrounding the collar 73. ing.
- the steering column is normally operated in accordance with the secondary collision load input to the steering column 12 via the steering shaft 11. 1 2 tilts upward at the beginning of the secondary collision and then moves forward along its axial direction. At this time, if the upward component force of the secondary collision load input to the steering column 12 is small, as shown in Fig. 35, the bulging portion 14 1 a of the upper energy absorbing member 14 1 May move forward by engaging with the rear lower curved portion of the reinforcing plate 31B of the support bracket 31, but may not be plastically deformed.
- the lower energy absorbing member 14 3 is plastically deformed by the collar 7 3, and the secondary collision energy is absorbed only by the plastic deformation of the energy absorbing member 14 3 by the collar 7 3, It is assumed that the absorption load of the secondary collision energy is small.
- the bulging portion 14 1 a of the upper energy absorbing member 14 1 The support bracket 31 may move forward while being plastically deformed by engaging with the rear lower curved portion of the reinforcing plate 31B of the support bracket 31. Therefore, in this case, the secondary collision energy is absorbed by the plastic deformation of the energy absorbing member 144 by the reinforcing plate 31B and the plastic deformation of the energy absorbing member 144 by the collar 73, The absorption load of the collision energy is set to be larger than that in the case described above. In this case, the amount of plastic deformation of the energy absorbing member 141 by the reinforcing plate 31 B increases or decreases according to the upward component of the secondary collision load input to the steering column 12.
- the energy absorbing load changing means including the energy absorbing member 141 and the reinforcing plate 31B is provided by the occupant H. Impact Direction on the Steering System 2003/010417
- the secondary collision energy absorption load is changed by the secondary collision load. Therefore, by appropriately setting the shape of the bulging portion 141a of the energy absorbing member 141 and the shape and arrangement of the reinforcing plate 31B, it is possible to implement the mechanical structure. Yes, there is no need to perform expensive electrical control, and it can be implemented at low cost.
- FIGS. 37 to 42 show a seventh embodiment of the shock absorbing type steering column device according to the present invention.
- a collision energy absorbing means for absorbing the secondary collision energy of the occupant H FIG.
- An energy absorbing member 15 1 and a base plate 15 2 provided in the upper supporting mechanism A, and an energy absorbing member 15 3 provided in the lower supporting mechanism B are employed. Since the configuration other than the collision energy absorbing means for absorbing the secondary collision energy of the occupant H is substantially the same as the configuration of the first embodiment described above, the same reference numerals are given and the description is omitted. I do.
- the energy absorbing member 151 is an iron plate that absorbs secondary collision energy by plastically deforming when moving forward by engaging with the reinforcing plate 31B of the support bracket 31 in the upper support mechanism A. It is fixed to the upper surface of the steering column 12 together with the base plate 15 by welding. Further, the energy absorbing member 15 1 is formed in an arc shape in cross section so as to extend along the outer periphery of the steering column 12 at predetermined intervals, and the rear end portion from the upper middle portion has an L-shaped cross section. It can engage with the rear lower end curved portion of the bent reinforcing plate 31B.
- the base plate 152 is an iron plate for forming a predetermined space between the steering column 12 and the energy absorbing member 15 1 (a space where the energy absorbing member 15 1 can be plastically deformed).
- the column 12 is formed in an arcuate cross-section along the outer circumference, and is punched into a rectangular shape in plan view from the upper intermediate portion to the rear end as shown in FIG.
- the energy absorbing member 15 3 provided on the lower support mechanism B engages with the collar 73 of the connecting means 70 when the steering column 12 moves forward. It is a long plate that plastically deforms and absorbs the secondary collision energy.It is fixed at one end to the column side bracket 62 of the lower support mechanism B and surrounds the force roller 73 forward. It is extending toward. JP2003 / 010417
- the steering column is normally operated in accordance with the secondary collision load input to the steering column 12 via the steering shaft 11. 1 2 tilts upward at the beginning of the secondary collision and then moves forward along its axial direction. At this time, if the upward component force of the secondary collision load input to the steering column 12 is small, as shown in Fig. 41, the upper energy absorbing member 15 1 reinforces the support bracket 31. It may move forward by engaging with the rear lower curved portion of the plate 31B, but may not be plastically deformed.
- the lower energy absorbing member 153 is plastically deformed by the collar 173, and the secondary collision energy is absorbed only by the plastic deformation of the energy absorbing member 153 by the collar 173. It is assumed that the secondary collision energy absorption load is small.
- the upward component force of the secondary collision load input to the steering column 12 is large, as shown in Fig. 42, part of the upper energy absorbing member 15 1 is supported by the support bracket 3 1 In some cases, it may move forward while being plastically deformed by engaging with the rear lower curved portion of the reinforcing plate 31B. Therefore, in this case, the secondary collision energy is absorbed by the plastic deformation of the energy absorbing member 151 by the reinforcing plate 31B and the plastic deformation of the energy absorbing member 1553 by the collar 73. Therefore, the absorbed load of the secondary collision energy is set to be larger than that in the case described above. In this case, the amount of plastic deformation of the energy absorbing member 15 1 by the reinforcing plate 31 B increases or decreases according to the upward component of the secondary collision load input to the steering column 12.
- the energy absorbing load changing means including the energy absorbing member 15 1 and the reinforcing plate 31 B is provided by the occupant H.
- the secondary collision energy absorption load is changed depending on the secondary collision direction and the secondary collision load on the steering system. Therefore, by appropriately setting the shape of the energy absorbing member 15 1 and the base plate 15 2, and the shape and arrangement of the reinforcing plate 31 B, it is possible to implement with a mechanical configuration. There is no need to perform costly electrical control, and it can be implemented at low cost.
- FIGS. 43 to 50 show an eighth embodiment of the shock absorbing steering column device according to the present invention. P2003 / 010417
- an impact energy absorbing means for absorbing the secondary impact energy of the occupant H an energy absorbing member 161 provided in the upper support mechanism A
- the support bracket 31 includes a deformable portion 31 e provided on the substrate 31 A and an energy absorbing member 165 provided on the lower support mechanism B.
- the configuration other than the collision energy absorbing means for absorbing the secondary collision energy of the occupant H is substantially the same as the configuration of the first embodiment described above. Omitted.
- the energy absorbing member 16 1 engages with the reinforcing plate 3 1 B of the support bracket 31 in the upper support mechanism A, and absorbs secondary collision energy by moving and deforming when moving forward. It is a thin iron plate, and is mounted on the upper surface of the steering column 12 using a guide plate 16 2, a holder 16 3 and a round bar 16 4 so as to be movable in the column axial direction.
- the energy absorbing member 16 1 has a projection 16 1 a protruding upward at the rear end, and the projection 16 1 a is formed by a locking hole 3 formed in the reinforcing plate 3 1 B. 1) Can be engaged by fitting.
- the guide plate 162 is an iron plate that moves the energy absorbing member 161 along the steering column 12 when the energy absorbing member 161 is handled and deformed, and is welded to the upper surface of the steering column 12 by welding. It is fixed.
- the holder 16 3 is an iron plate which is used to handle and deform the energy absorbing member 16 1 by the round bar 16 4.
- the steering column 1 is provided so as to straddle the energy absorbing member 16 1 and a part of the guide plate 16 2. It is fixed to the upper part of 2 by welding.
- the round bar 164 is made of iron, and is incorporated in the holder 163 together with a part of the energy absorbing member 161.
- the deformable portion 31e provided on the substrate 31A of the support bracket 31 of the upper support mechanism ⁇ is formed by forming a long hole 31e1 extending in the front-rear direction on the substrate 31A.
- the upward load received from the collar 42 and the lock port 41 of the engagement / disengagement means 40 is equal to or greater than the set value, it is plastically deformed upward and the projection of the energy absorbing member 16 1 is formed. 16 1 a is allowed to fit into the locking hole 3 1 ⁇ formed in the reinforcing plate 31 B.
- the energy absorbing member 165 provided in the lower support mechanism ⁇ is shown in Figs. 43 and 44. 3 010417
- the steering column 12 when the steering column 12 moves forward, it is a long plate that engages with the collar 73 of the connecting means 70 and plastically deforms to absorb the secondary collision energy. It is fixed at one end to the column side bracket 62 in B, and extends forward while surrounding the roller 73.
- the steering column is normally controlled according to the secondary collision load input to the steering column 12 via the steering shaft 11. 1 2 tilts upward at the beginning of the secondary collision and then moves forward along its axial direction. At this time, if the upward component force of the secondary collision load input to the steering column 12 is small, as shown in FIGS.
- the deformable part 31 e provided at 31 A is plastically deformed upward by a load exceeding the set value received from the collar 42 and the lock port 41 of the engagement / disengagement means 40 and upward, and the energy Locking hole formed on the reinforcing plate 3 1B with the protrusion 1 6 1a of one absorbing member 1 6 1
- the secondary collision energy is absorbed by the handling deformation of the energy absorbing member 16 1 by the holder 16 3 and the round bar 16 4 and the plastic deformation of the energy absorbing member 16 5 by the collar 73.
- the absorption load of the secondary collision energy is set to be larger than that in the case described above.
- the handling deformation of the energy absorbing member 16 1 by the round bar 16 4 is substantially constant irrespective of the increase or decrease of the substantially horizontal secondary collision load input to the steering column 12.
- the energy absorbing load changing means including the support bracket 31 and the like in the upper support mechanism A changes the absorbing load of the secondary collision energy according to the secondary collision direction and the secondary collision load on the steering system of the occupant H. It is like that. Therefore, the shapes of the projections 16 1 a of the energy absorbing member 16 1, the holder 16 3 and the round bar 16 4, and the shape and arrangement of the support bracket 31 in the upper support mechanism A are appropriately set. As a result, it is possible to implement with a mechanical configuration, and it is possible to implement at low cost without having to perform expensive electrical control.
- FIGS. 51 to 58 show a ninth embodiment of a shock absorbing type steering column device according to the present invention.
- a collision energy absorbing means for absorbing a secondary collision energy of an occupant H FIG.
- the energy absorbing member 17 1 provided in the upper support mechanism A, the deformable portion 31 e provided in the substrate 31 A of the support bracket 31 of the upper support mechanism A, and the energy absorption provided in the lower support mechanism B The member 173 is employed.
- the configuration other than the collision energy absorbing means for absorbing the secondary collision energy of the occupant H is substantially the same as the configuration of the above-described first embodiment, and thus the same reference numerals are given and the description is omitted. I do.
- the energy absorbing member 17 1 is engaged with the reinforcing plate 31 B of the support bracket 31 in the upper support mechanism A, and when moving forward, plastically deforms to absorb the secondary collision energy. It is a thin iron plate, and is fixed to the upper surface of the steering column 12 together with the base plate 17 2 by welding.
- the energy absorbing member 17 1 has a bulging portion 17 1 a that bulges upward in a portion from the intermediate portion to the rear end, and the bulging portion 17 1 a is formed on the steering column. It extends in the front-rear direction along the axial direction of 12, and is engageable with the rear lower end curved portion of the reinforcing plate 31B bent into an L-shaped cross section.
- the I function part 31 e is formed by forming a long hole 31 e 1 extending in the front-rear direction on the substrate 31 A.
- the bulging part 1 7 1a of the gear absorbing member 1 7 1 can be engaged with the rear lower curved part of the reinforcing plate 3 1B
- the energy-absorbing member 1 73 provided for the lower support mechanism B is shown in Figs. 51 and 52.
- the second embodiment in the event of a vehicle collision
- the steering column 12 rises at the beginning of the secondary collision according to the secondary collision load
- the deformable part 3 1 e provided on the substrate 31 A does not undergo plastic deformation, and the upper energy absorbing part
- the bulging part 1 ⁇ 1 a of the material 1 7 1 is the sabot bracket 3 1
- the reinforcing plate 3 1 The lower rear end of B
- the lower energy absorbing member 1 is engaged with the curved part but is not plastically deformed.
- the deformable part 3 1 e provided on the 3 A is connected to the collar 4 2 and the lock
- the upper energy absorbing member 1 ⁇ 1 bulging part 1 7 1 a is the support bracket 3
- the secondary collision energy is absorbed by the plastic deformation of the energy absorbing member 171 by the reinforcing plate 31B of the support bracket 31 and the plastic deformation of the energy absorbing member 165 by the collar 73. Therefore, the absorption load of the secondary collision energy is set to be larger than that in the case described above. In this case, the amount of plastic deformation of the energy absorbing member 17 1 by the reinforcing plate 3 1 B of the support bracket 31 increases or decreases according to the upward component of the secondary collision load input to the steering column 12.
- the energy absorbing member 171, and the support bracket 31 in the upper support mechanism A are used.
- the load changing means changes the absorption load of the secondary collision energy according to the secondary collision direction and the secondary collision load of the occupant H with respect to the steering system. Therefore, by appropriately setting the shape of the bulging portion 171 a of the energy absorbing member 171 and the shape and arrangement of the support bracket 31 in the upper support mechanism A, a mechanical configuration is implemented. Therefore, it is not necessary to perform high-cost electrical control, and it is possible to implement the method at low cost.
- FIGS. 59 to 64 show a tenth embodiment of the shock absorbing type steering column device according to the present invention.
- a collision absorbing the secondary collision energy of the occupant H is shown.
- energy absorbing means an energy absorbing member 18 1 provided in the upper support mechanism A, a handling plate 31 C provided in the reinforcing plate 31 B of the support bracket 31 of the upper support mechanism A, and a lower support mechanism B
- the energy-absorbing member 183 provided in the system is adopted.
- the configuration other than the collision energy absorbing means for absorbing the secondary collision energy of the occupant H is substantially the same as the configuration of the above-described first embodiment, and thus the same reference numerals are given and the description thereof will be omitted.
- the energy absorbing member 18 1 engages with the handle plate 3 1 C provided on the reinforcing plate 3 1 B of the support bracket 31 in the upper support mechanism A, and when the steering column 12 moves forward, , Handle and deform to absorb secondary collision energy It is a thin iron plate, and is fixed to the upper surface of the steering column 12 by welding at the front end.
- the energy absorbing member 18 1 is curved upward in the middle part to accommodate the round bar 18 2, and the left and right movement of the round bar 18 2 is regulated. It has a pair of left and right arm sections 18 1 b that engage with each other, and the curved section 18 1 a that accommodates the round bar 18 2 is engaged with the locking hole 3 1 g formed in the plate 3 1 C by fitting. It is possible.
- the handle plate 3 1 C provided on the reinforcing plate 3 1 B of the support bracket 3 1 of the upper support mechanism A is an iron plate that handles and deforms the energy absorbing member 18 1 with the round bar 18 2. It is fixed to the lower surface of B by welding.
- the round bar 18 2 is a solid iron bar, is incorporated in the curved portion 18 1 a of the energy absorbing member 18 1, and is movable in the column axial direction along the upper surface of the steering column 12. .
- the energy absorbing member 183 provided in the lower support mechanism B is connected to the collar 73 of the connecting means 70 when the steering column 12 moves forward. It is a long plate that engages and plastically deforms to absorb secondary collision energy, and is fixed at one end to the column side bracket 62 of the lower support mechanism B, and surrounds the force roller 73 in front. Extending toward.
- the steering is normally performed according to the secondary collision load input to the steering column 12 via the steering shaft 11.
- the column 12 tilts upward in the early stage of the secondary collision, it moves forward along its axial direction.
- the upward component force of the secondary collision load input to the steering column 12 is small, as shown in Fig. 63, the curved portion 18 1 a of the upper energy absorbing member 18 1
- the steering column 12 is moved forward with the rod 18 2 slightly engaged with the locking hole 3 1 g of the handle plate 3 1 C provided on the reinforcing plate 3 1 B of the support bracket 31. With the movement, the upper energy absorbing member 18 1 is pulled forward.
- the second collision energy is generated by sufficient handling deformation of the energy-absorbing member 18 1 by the handling plate 31 C and the round bar 18 2 and plastic deformation of the energy absorbing member 18 3 by the collar 73. Is absorbed, and the absorption load of the secondary collision energy is made larger than that in the case described above. In this case, the amount of deformation of the energy absorbing member 181, which is caused by the plate 31C and the round bar 182, depends on the upward component force of the secondary collision load input to the steering column 12. Increase or decrease accordingly.
- the energy absorbing member 18 1 and the round bar 18 2 and the support bracket 3 in the upper support mechanism A are provided at the time of the secondary collision of the occupant H with respect to the steering system.
- the energy absorbing load changing means consisting of the handling plate 3 1 C, etc. provided on the reinforcing plate 3 1 B is used to absorb the secondary collision energy according to the secondary collision direction and secondary collision load of the occupant H on the steering system. Is changed.
- the shape and arrangement of the energy absorbing member 18 1 and the round bar 18 2 and the shape and arrangement of the handling plate 31 C provided on the reinforcing plate 31 B of the support bracket 31 in the upper support mechanism A 1 By appropriately setting, it is possible to implement with a mechanical configuration, and it is possible to implement at low cost without the need for expensive electrical control. .
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering Controls (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE60331568T DE60331568D1 (de) | 2002-10-07 | 2003-08-19 | Kollisionsenergie aufnehmende lenksäulenvorrichtung |
EP03799083A EP1550599B1 (en) | 2002-10-07 | 2003-08-19 | Collision energy absorbing steering column device |
US10/511,303 US7240922B2 (en) | 2002-10-07 | 2003-08-19 | Impact-absorbing steering column apparatus |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002-293237 | 2002-10-07 | ||
JP2002293237 | 2002-10-07 | ||
JP2003-137823 | 2003-05-15 | ||
JP2003137823A JP4124021B2 (ja) | 2002-10-07 | 2003-05-15 | 衝撃吸収式ステアリングコラム装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004031020A1 true WO2004031020A1 (ja) | 2004-04-15 |
Family
ID=32072499
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2003/010417 WO2004031020A1 (ja) | 2002-10-07 | 2003-08-19 | 衝撃吸収式ステアリングコラム装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US7240922B2 (ja) |
EP (1) | EP1550599B1 (ja) |
JP (1) | JP4124021B2 (ja) |
DE (1) | DE60331568D1 (ja) |
WO (1) | WO2004031020A1 (ja) |
Cited By (1)
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CN110758547A (zh) * | 2019-11-04 | 2020-02-07 | 长安大学 | 一种基于负泊松比结构的溃缩式汽车转向装置 |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003327133A (ja) * | 2002-05-13 | 2003-11-19 | Koyo Seiko Co Ltd | ステアリング装置 |
US7384070B2 (en) * | 2002-07-02 | 2008-06-10 | Nsk, Ltd. | Shock absorbing steering column device for vehicle |
JP2004203164A (ja) * | 2002-12-25 | 2004-07-22 | Fuji Kiko Co Ltd | 車両用ステアリング装置の衝撃吸収構造 |
US7334817B2 (en) | 2004-09-02 | 2008-02-26 | Delphi Technologies, Inc. | Active energy absorption method using tilt and telescope positions |
JP5328116B2 (ja) * | 2007-07-19 | 2013-10-30 | テイ・エス テック株式会社 | シートフレーム及び車両用シート |
JP5120115B2 (ja) * | 2008-07-04 | 2013-01-16 | 日本精工株式会社 | ステアリングコラムの支持装置 |
DE102010020088B4 (de) * | 2010-05-10 | 2013-06-27 | Thyssenkrupp Presta Aktiengesellschaft | Verfahren und Vorrichtung zur Regelung eines steuerbaren Energieabsorbers |
CN102481945B (zh) | 2010-06-16 | 2014-07-02 | 日本精工株式会社 | 转向柱的支承装置 |
JP5499995B2 (ja) * | 2010-08-26 | 2014-05-21 | 日本精工株式会社 | 電動式パワーステアリング装置を備えた衝撃吸収式ステアリング装置 |
JP5321634B2 (ja) * | 2011-04-01 | 2013-10-23 | 日本精工株式会社 | 自動車用ステアリングコラムの支持装置 |
JP5874361B2 (ja) * | 2011-12-05 | 2016-03-02 | 日本精工株式会社 | ステアリング装置の製造方法 |
JP5949281B2 (ja) * | 2012-07-27 | 2016-07-06 | 株式会社ジェイテクト | 車両用ステアリング装置 |
WO2014069140A1 (ja) * | 2012-11-02 | 2014-05-08 | 日本精工株式会社 | チルト式ステアリング装置 |
DE102014110204B3 (de) * | 2014-07-21 | 2015-10-01 | Thyssenkrupp Presta Ag | Lenksäule für ein Kraftfahrzeug |
DE102019124824A1 (de) * | 2019-09-16 | 2021-03-18 | Thyssenkrupp Ag | Lenksäule für ein Kraftfahrzeug und Baugruppe mit einer solchen sowie Kraftfahrzeug mit einer solchen |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4968127U (ja) * | 1972-09-28 | 1974-06-13 | ||
JPH1053145A (ja) * | 1996-04-30 | 1998-02-24 | Mando Mach Co Ltd | 車輌用操向システムの衝撃エネルギー吸収装置 |
JPH11165643A (ja) * | 1997-12-03 | 1999-06-22 | Nippon Seiko Kk | 衝撃吸収式ステアリングコラム装置 |
JP2001278071A (ja) * | 2000-03-30 | 2001-10-10 | Nsk Ltd | ステアリングコラムの支持装置 |
US6322103B1 (en) | 1999-06-11 | 2001-11-27 | Delphi Technologies, Inc. | Energy absorber for motor vehicle steering column |
JP2002067979A (ja) * | 2000-08-31 | 2002-03-08 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
JP2002067980A (ja) * | 2000-09-04 | 2002-03-08 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
JP2002067978A (ja) * | 2000-08-29 | 2002-03-08 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
JP2002079944A (ja) | 2000-09-08 | 2002-03-19 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
JP2002284017A (ja) * | 2001-03-23 | 2002-10-03 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3392599A (en) * | 1966-12-30 | 1968-07-16 | Gen Motors Corp | Energy absorbing device |
JPS4968127A (ja) | 1972-11-10 | 1974-07-02 | ||
GB1497275A (en) * | 1975-08-22 | 1978-01-05 | Imp Metal Ind Kynoch Ltd | Steering columns |
US5259818A (en) * | 1989-04-14 | 1993-11-09 | Fuji Kiko Company, Limited | Stroke absorbing type intermediate shaft for vehicular steering column and method for assembling the same |
US4989898A (en) * | 1989-09-07 | 1991-02-05 | Nippon Seiko Kabushiki Kaisha | Energy absorption type steering apparatus |
FR2708551B1 (fr) * | 1993-08-06 | 1995-10-20 | Nacam | Colonne de direction à carré renfort à amortissement axial. |
FR2713188B1 (fr) * | 1993-11-29 | 1996-02-23 | Nacam | Dispositif d'absorption d'énergie pour colonne de direction de véhicule automobile. |
US5961146A (en) * | 1996-01-18 | 1999-10-05 | Nsk Ltd. | Shock absorbing type steering column assembly |
FR2775646B1 (fr) * | 1998-03-03 | 2000-05-12 | Lemforder Nacam Sa | Dispositif d'absorption d'energie a double enroulement pour colonne de direction de vehicule automobile |
FR2788029B1 (fr) * | 1999-01-06 | 2001-02-23 | Lemforder Nacam Sa | Dispositif d'absorption modulable d'energie d'une colonne de direction de vehicule automobile |
US6189929B1 (en) * | 1999-11-02 | 2001-02-20 | Trw Inc. | Adaptive collapsible steering column |
US6726248B2 (en) | 2000-05-16 | 2004-04-27 | Nsk Ltd. | Impact absorbing type steering column apparatus |
US6581966B2 (en) * | 2001-01-05 | 2003-06-24 | Ford Global Technologies, Inc. | Twin axis steering wheel system |
JP3900924B2 (ja) | 2001-04-03 | 2007-04-04 | トヨタ自動車株式会社 | ステアリング装置の支持機構 |
US6659504B2 (en) * | 2001-05-18 | 2003-12-09 | Delphi Technologies, Inc. | Steering column for a vehicle |
JP2003276544A (ja) | 2002-03-20 | 2003-10-02 | Toyota Motor Corp | 乗員保護装置 |
US6729648B2 (en) * | 2002-06-07 | 2004-05-04 | Sealy Technology Llc | Non-linear energy absorbing column assembly |
-
2003
- 2003-05-15 JP JP2003137823A patent/JP4124021B2/ja not_active Expired - Fee Related
- 2003-08-19 US US10/511,303 patent/US7240922B2/en not_active Expired - Fee Related
- 2003-08-19 EP EP03799083A patent/EP1550599B1/en not_active Expired - Lifetime
- 2003-08-19 DE DE60331568T patent/DE60331568D1/de not_active Expired - Lifetime
- 2003-08-19 WO PCT/JP2003/010417 patent/WO2004031020A1/ja active Application Filing
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4968127U (ja) * | 1972-09-28 | 1974-06-13 | ||
JPH1053145A (ja) * | 1996-04-30 | 1998-02-24 | Mando Mach Co Ltd | 車輌用操向システムの衝撃エネルギー吸収装置 |
JPH11165643A (ja) * | 1997-12-03 | 1999-06-22 | Nippon Seiko Kk | 衝撃吸収式ステアリングコラム装置 |
US6322103B1 (en) | 1999-06-11 | 2001-11-27 | Delphi Technologies, Inc. | Energy absorber for motor vehicle steering column |
JP2001278071A (ja) * | 2000-03-30 | 2001-10-10 | Nsk Ltd | ステアリングコラムの支持装置 |
JP2002067978A (ja) * | 2000-08-29 | 2002-03-08 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
JP2002067979A (ja) * | 2000-08-31 | 2002-03-08 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
JP2002067980A (ja) * | 2000-09-04 | 2002-03-08 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
JP2002079944A (ja) | 2000-09-08 | 2002-03-19 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
JP2002284017A (ja) * | 2001-03-23 | 2002-10-03 | Nsk Ltd | 衝撃吸収式ステアリングコラム装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1550599A4 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110758547A (zh) * | 2019-11-04 | 2020-02-07 | 长安大学 | 一种基于负泊松比结构的溃缩式汽车转向装置 |
CN110758547B (zh) * | 2019-11-04 | 2023-11-14 | 长安大学 | 一种基于负泊松比结构的溃缩式汽车转向装置 |
Also Published As
Publication number | Publication date |
---|---|
EP1550599A1 (en) | 2005-07-06 |
DE60331568D1 (de) | 2010-04-15 |
US20050173912A1 (en) | 2005-08-11 |
EP1550599B1 (en) | 2010-03-03 |
EP1550599A4 (en) | 2007-01-03 |
US7240922B2 (en) | 2007-07-10 |
JP2004182216A (ja) | 2004-07-02 |
JP4124021B2 (ja) | 2008-07-23 |
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