CN100441461C - Steering apparatus for a vehicle - Google Patents
Steering apparatus for a vehicle Download PDFInfo
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- CN100441461C CN100441461C CNB2006100835586A CN200610083558A CN100441461C CN 100441461 C CN100441461 C CN 100441461C CN B2006100835586 A CNB2006100835586 A CN B2006100835586A CN 200610083558 A CN200610083558 A CN 200610083558A CN 100441461 C CN100441461 C CN 100441461C
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Abstract
To reduce the length in the axis direction of a steering unit and consequently to provide a vehicle steering apparatus with superior vehicle mountability, a steering apparatus for a vehicle has a steering unit and a reaction generating unit, and a steered unit. The apparatus includes a clutch that mechanically connects the steering unit and the steered unit, and a backup unit that is provided between the clutch and the steered unit and transmits the steering torque that is inputted from the steering unit, when the clutch is engaged, to the steered unit. A rotation conversion unit that outputs rotation in a rotation axis direction of the clutch that is different from the rotation axis direction of the steering unit is provided between the reaction generating unit and the clutch.
Description
Technical field
The invention belongs to the technical field of vehicle with steering apparatus.
Background technology
Existing electrical steering (Steer-By-Wire) system, with bearing circle bonded assembly column type axle on, connect the bearing circle funiculus lateralis wheel (for example, referring to Patent Document 1) of reaction force motor, power-transfer clutch and auxiliary unit.
Patent documentation 1: the spy opens the 2002-225733 communique
In addition, use in the steering apparatus at existing vehicle with cable type pillar, by being configured in the middle interlock unit of bearing circle and gear case, connect with the other end of an end and bearing circle bonded assembly the 1st cable with the other end of an end and gear case bonded assembly the 2nd cable.Thus, do not need to make cable to pass through, just can carry out the assembling (for example, referring to Patent Document 2) of the 1st, the 2nd cable without barrier every the instrument face plate between bearing circle and gear case.
Patent documentation 2: the spy opens flat 10-67327 communique
Summary of the invention
The objective of the invention is to, provide a kind of and can shorten the direction of principal axis size of handling maneuver portion, the vehicle steering apparatus that vehicle boarded property is good.
Vehicle steering apparatus of the present invention, before being delivered to power-transfer clutch, utilize the hand of rotation converting means, the S. A. direction that makes aforementioned operation portion is set the axial size of handling maneuver portion shorter towards the direction different with the S. A. direction thus.
Description of drawings
Fig. 1 is the integral structure figure of the vehicle of expression embodiment 1 with the employed electric steering system of steering apparatus.
Fig. 2 is the figure of detailed structure of the A of handling maneuver portion of expression embodiment 1.
Fig. 3 is the figure of structure of the crowngear of expression embodiment 1.
Fig. 4 is the figure of the handling maneuver portion of the existing electric steering system of expression.
Fig. 5 is the integral structure figure of the vehicle of expression embodiment 2 with the employed electric steering system of steering apparatus.
Fig. 6 is the integral structure figure of the vehicle of expression embodiment 3 with the employed electric steering system of steering apparatus.
Fig. 7 is the integral structure figure of the vehicle of expression embodiment 4 with the employed electric steering system of steering apparatus.
Fig. 8 is the figure of the 1st 5 structure of the expression connection hand of rotation converter unit 4 of embodiment 5 and power-transfer clutch 6, and Fig. 8 A is the state of parts 23,24 combinations, and Fig. 8 B is the front elevation and the lateral plan of parts 23, and Fig. 8 C is the front elevation and the lateral plan of parts 24.
Fig. 9 is the figure of the 1st 5 the structure of expression embodiment 6.
Figure 10 is the figure of the 1st 5 the structure of expression embodiment 7, and Figure 10 A is the state of parts 27,28 combinations, and Figure 10 B is the front elevation and the lateral plan of parts 27, and Figure 10 C is the front elevation and the lateral plan of parts 28.
Figure 11 is the integral structure figure of the vehicle of expression embodiment 8 with the employed electric steering system of steering apparatus.
Figure 12 is the integral structure figure of the vehicle of expression embodiment 9 with the employed electric steering system of steering apparatus.
Figure 13 is the integral structure figure of the vehicle of expression embodiment 10 with the employed electric steering system of steering apparatus.
Figure 14 is the sectional oblique drawing of structure of many plates of dry type mechanical clutch 6 of expression embodiment 10.
Figure 15 is the scheme drawing of structure of the A of handling maneuver portion of expression embodiment 10.
Figure 16 is the scheme drawing of detailed structure of the 1st crowngear 4, power-transfer clutch 6 and the 2nd crowngear 8 of expression embodiment 10.
Figure 17 is the scheme drawing of the vehicle of expression embodiment 11 with the structure of steering apparatus.
Figure 18 is the scheme drawing of the vehicle of expression embodiment 12 with the structure of steering apparatus.
Figure 19 is the scheme drawing of the vehicle of expression embodiment 13 with the structure of steering apparatus.
Figure 20 is the figure of detailed structure of the 1st crowngear 4, power-transfer clutch 6 and the 2nd crowngear 27 of expression embodiment 14.
Figure 21 is the figure of the structure of expression cable type pillar, and Figure 21 A is its front elevation, and Figure 21 B makes its lateral plan and cutaway view, and Figure 21 C is its back view.
Figure 22 is the sectional oblique drawing of the structure of expression outer tube and Nei Suo.
Figure 23 is the longitudinal sectional drawing of the structure of expression outer tube and Nei Suo.
Figure 24 is the oblique drawing from vehicle front side visualizer surface plate 9 of the cable type pillar assembly method of embodiment 15.
Figure 25 is the figure of the structure of expression packing ring, and Figure 25 A is its front elevation, and Figure 25 B is its lateral plan.
Figure 26 is the scheme drawing of the vehicle of expression embodiment 15 with the handling maneuver bilge construction of steering apparatus.
Figure 27 is the scheme drawing of the vehicle of expression embodiment 16 with the handling maneuver bilge construction of steering apparatus.
Figure 28 is the scheme drawing of the vehicle of expression embodiment 17 with the handling maneuver bilge construction of steering apparatus.
Figure 29 is the axle of expression embodiment 17 and the figure of the method for attachment of Hooke's coupling.
The specific embodiment
Below, 1 to 17 explanation is used to implement best mode of the present invention according to embodiment.
Description architecture at first.
[integral structure]
Fig. 1 is the integral structure figure of the vehicle of expression embodiment 1 with the employed electric steering system of steering apparatus.The vehicle of embodiment 1 is made of the A of handling maneuver portion, cable type pillar 10, turning part B, controller 19 with steering apparatus.Below, structure separately is described.
The A of handling maneuver portion as shown in Figure 2, have bearing circle (operation input block) 1, column type axle 2, reaction force motor (antagonistic force actuator) 3, crowngear (hand of rotation converter unit) 4, power-transfer clutch 6, bearing circle angle transducer 13 and resolver 15 and constitute.
Power-transfer clutch 6 is installed between column type axle 2 and the cable type pillar 10, uses magnetic clutch in embodiment 1.When this power-transfer clutch 6 engaged, the handling maneuver moment of torsion that puts on bearing circle 1 mechanically was delivered on the steering hardware 11.The angle of rotation of bearing circle angle transducer 13 test column profile shafts 2.Resolver 15 detects the electrical motor angle of rotation of reaction force motor 3.
Turning part B has steering hardware 11, resolver 16, torque sensor 17, coder 18, steer motor 20,20, pinion shaft 21 and wheel flutter 22,22 and constitutes.
The detection signal that controller 19 is imported from bearing circle angle transducer 13, torque sensor 14, resolver 15,16, torque sensor 17, coder 18, according to each sensor signal, drive controlling reaction force motor 3 and steer motor 20,20.
In common electrical steering control (power-transfer clutch 6 off-states), angle of rotation by bearing circle angle transducer 13 read direction dishes 1, utilize the steering volume of the steering hardware 11 that controller 19 computings obtain in view of the above, utilize controller 19 outputs to drive the instruction current value of steer motor 20,20, drive steering hardware 11.At this moment, utilize torque sensor 17 detection effect in the antagonistic force of steering hardware gear 11, the instruction current value by controller 19 output driving reaction force motor 3 applies the handling maneuver antagonistic force to bearing circle 1.
Engaging clutch 6 and mechanically be connected to steering hardware 11 from bearing circle 1 takes place in electric steering system under the unusual situation.At this moment, the operating effort of bearing circle 1 is according to the sequence delivery of bearing circle 1, column type axle 2, crowngear 4, power-transfer clutch 6, cable type pillar 10, steering hardware 11.
[detailed structure of handling maneuver portion]
Fig. 2 is the figure of detailed structure of the A of handling maneuver portion of expression embodiment 1, and the A of handling maneuver portion is configured in the car indoor that is separated by by instrument face plate 9 and front vehicle body.Crowngear 4 utilizes the 1st 5 to be connected with power-transfer clutch 6, and power-transfer clutch 6 utilizes the 2nd 7 to be connected with bearing circle side cable axle 10a.Utilize crowngear 4, the direction of the S. A. m of bearing circle 1, column type axle 2 and reaction force motor 3 meets at right angles with the direction of the 1st 5, power-transfer clutch 6 and the 2nd 7 S. A. n.But, be not limited to the right angle in the present invention, for example can be angle less than the right angle, also can be angle greater than the right angle.That is, crowngear 4 changes to the direction of the S. A. of bearing circle 1 towards the direction along instrument face plate 9.
Fig. 3 is the in-built figure of expression crowngear 4, and crowngear 4 has input shaft 4c and output shaft 4d.The end of input shaft 4c is connected with column type axle 2, and the other end is connected with input gear 4a.The end of output shaft 4d is connected with output gear 4b, and the other end is connected with the 1st 5.
Input and output gear 4a, 4b are contained among the shell 4e.Input shaft 4c is supported on the shell 4e by 2 needle bearing 4f, 4g, and output shaft 4d is supported on the shell 4e by 2 needle bearing 4h, 4i and ball bearing of main shaft 4j.
The following describes effect.
[effect that the direction of principal axis size that is obtained by the hand of rotation conversion shortens]
Fig. 4 is the figure of the handling maneuver portion of the existing electric steering system of expression, because existing handling maneuver portion, be with bearing circle bonded assembly column type axle on, the bearing circle side cable axle of reaction force motor, power-transfer clutch and cable type pillar forms a line, promptly is configured on the same axis, so direction of principal axis size L0 has to increase.Because must avoid and instrument face plate (instrument carrier panel) interference, and the impulsive force when avoiding vehicle collision transmits by the axial driver of column type, so the direction of principal axis size of preferred handling maneuver portion is set shortly as far as possible.
Relative therewith, in embodiment 1,, be transformed to the meet at right angles crowngear 4 of direction of direction with the S. A. m of bearing circle 1 because direction with the S. A. n of power-transfer clutch 6 is set, so can above-mentioned relatively direction of principal axis size L0 of the prior art, L1 is provided with shortlyer with the direction of principal axis size.Thus, can improve vehicle boarded property, enlarge the indoor layout degree of freedom of car.
In addition, in embodiment 1, because crowngear 4 is installed between reaction force motor 3 and the power-transfer clutch 6, so the friction force that crowngear 4 had etc. can not got involved from reaction force motor 3 to the handling maneuver antagonistic force that bearing circle 1 applies, so can avoid exerting an influence, can prevent the deterioration of handling maneuver sensation.
The following describes effect.
The vehicle steering apparatus of embodiment 1 has the following effect of enumerating.
(1) vehicle has with steering apparatus: power-transfer clutch 6, and it mechanically separates A of handling maneuver portion with bearing circle 1 and reaction force motor 3 and the turning part B that wheel flutter 22,22 is turned to, and mechanically connects A of handling maneuver portion and turning part B; And auxiliary unit (cable type pillar 10), it is configured between this power-transfer clutch 6 and the turning part B, when clutch engagement, will pass to wheel flutter 22,22 by the handling maneuver moment of torsion of bearing circle 1 input, use in the steering apparatus at this vehicle, between reaction force motor 3 and power-transfer clutch 6, the S. A. direction crowngear 4 different with the S. A. direction of bearing circle 1 that makes power-transfer clutch 6 is set.Thus, because can avoid power-transfer clutch 6 to be configured on the rotation axis of bearing circle 1,,, can improve vehicle boarded property with respect to prior art so can shorten the direction of principal axis size L1 of the A of handling maneuver portion.In addition, because crowngear 4 is configured in wheel flutter 22,22 1 sides of reaction force motor 3, so can stop friction force that crowngear 4 has etc. to cause that the handling maneuver sensation worsens.
(2) because crowngear 4 makes the S. A. direction of power-transfer clutch 6, the S. A. direction of relative direction dish 1 is exported with approximate right angle, so can enlarge the layout degree of freedom, the direction of principal axis dimensional control of the A of handling maneuver portion can be arrived minimum degree.
(3) because auxiliary unit is a cable type pillar 10, power-transfer clutch 6 will be delivered to from the rotation of bearing circle 1 on the cable type pillar 10 under engagement state, so can prevent that along with vehicle collision, it is indoor that the column type axle retreats into car.
(4) because reaction force motor 3 is output shafts be configured in the same axle of column type axle 2 on coaxial motor, so can reduce the footpath direction size of column type axle 2, and can use high output motor.In addition, with the output shaft of electrical motor by Wo Gan ﹠amp; The structure that worm gear is connected on the column type axle 2 is compared, even under the situation of using the long coaxial motor of direction of principal axis size, also can set direction of principal axis size L1 shorter, can enlarge the layout degree of freedom.
Description architecture at first.
Fig. 5 is the integral structure figure of the vehicle of expression embodiment 2 with the employed electric steering system of steering apparatus, and the crowngear 4 of embodiment 2 is configured to the rotation of bearing circle 1 is exported to the overall width direction outside.On the overall width direction outer fix of instrument face plate 9, the outer tube 10c, the 10c that form cable type pillar 10 lead to the outdoor through hole 9a of car.
The following describes effect.
[avoiding the effect of avoiding] with the interference of engine room parts
In embodiment 2, because utilize crowngear 4 that the rotation of bearing circle 1 is exported to the overall width direction outside, thus can detour in the sidepiece configuration of vehicle, so that outer tube 10c, the 10c of cable type pillar 10 are difficult for interfering with the engine room parts.
The following describes effect.
For the vehicle steering apparatus of embodiment 2, to the basis of (4), can also obtain following effect in the effect (1) of embodiment 1.
(5) because crowngear 4 with the rotation of bearing circle 1 to the output of the overall width direction outside, so outer tube 10c, the 10c of cable type pillar 10 when outdoor, can passed the sidepiece of vehicle from the indoor car that leads to of car, be easy to avoid interference with the engine room parts.
Description architecture at first.
Fig. 6 is the integral structure figure of the vehicle of expression embodiment 3 with the employed electric steering system of steering apparatus, and the crowngear 4 of embodiment 3 is configured to the rotation of bearing circle 1 is exported to overall width direction inboard.At the overall width direction middle position of instrument face plate 9, the outer tube 10c, the 10c that form cable type pillar 10 lead to the outdoor through hole 9b of car.
The following describes effect.
[the unitized effect of instrument face plate]
In embodiment 2, because the overall width direction outer fix at instrument face plate 9 forms through hole 9a, so must on right jiggering and LHS car, different instrument face plates be set, but in embodiment 3, because the overall width direction middle position at instrument face plate 9 forms through hole 9b, so can make instrument face plate general on right jiggering and LHS car, can cost-cutting.
The following describes effect.
For the vehicle steering apparatus of embodiment 3, to the basis of (4), also has following effect in the effect (1) of embodiment 1.
(6) because of crowngear 4 rotation of bearing circle 1 is exported to overall width direction inboard, so outer tube 10c, the 10c that will make cable type pillar 10 from car the indoor outdoor through hole 9a of car that leads to when being configured on the instrument face plate 9, can set through hole 9a at the overall width direction middle position of instrument face plate 9, can be public corresponding to the instrument face plate on the left and right directions jiggering, make through hole 9a position general.
Description architecture at first.
Fig. 7 is the integral structure figure of the vehicle of expression embodiment 4 with the employed electric steering system of steering apparatus, and the crowngear 4 of embodiment 4 is configured to the rotation of bearing circle 1 is exported to under-vehicle.
The following describes effect.
[avoiding effect] with the interference of engine room parts
In embodiment 4, because utilize crowngear 4 that the rotation of bearing circle 1 is exported, be configured in the lower portion of vehicle downwards so can detour, make outer tube 10c, the 10c of cable type pillar 10 be difficult for and the interference of engine room parts.
The following describes effect.
For the vehicle steering apparatus of embodiment 4, to the basis of (4), also has following effect in the effect (1) of embodiment 1.
(7) because crowngear 4 rotation of bearing circle 1 is exported downwards, so outer tube 10c, the 10c of cable type pillar 10 when outdoor, can be communicated with the lower portion of vehicle, so be easy to avoid interfere with the engine room parts from the indoor car that leads to of car.
Description architecture at first.
Fig. 8 is the figure of the 1st 5 structure of the expression connection crowngear 4 of embodiment 5 and power-transfer clutch 6, in embodiment 5, constitute the 1st 5 by 2 parts, 23,24 end wises, when being arranged on the load F of the effect direction vertical with direction of principal axis, the connector portions 25 that the connection of 2 parts 23,24 separates.Connector portions 25 forms recess 23a in parts 23 sides, forms and recess 23a ingear protuberance 24a in parts 24 sides.This connector portions 25 is when effect has the load F of vertical direction, the engaging structure that the engagement of recess 23a and protuberance 24a can break away from.
Next illustration.
[absorbing the effect of impacting during collision]
When vehicle collision (especially head-on crash), under the situation that column type axle 2 → reaction force motor 3 → crowngear 4 applies, column type axle 2 will break away from from member impact force from bearing circle 1.At this moment, in embodiment 5, by connecting the 1st 5 disconnection of crowngear 4 and power-transfer clutch 6, column type axle 2 comes off from member.That is to say, applying under the situation of impulsive force that utilize the 1st 5 disconnection, the A of handling maneuver portion can obtain the distance between bearing circle 1 and the driver to instrument face plate 9 side shiftings, so can reduce the impact to the driver to the A of handling maneuver portion.And when vehicle collision, at first instrument face plate 9 retreats, also effect simultaneously when applying impulsive force.
The following describes effect.
For the vehicle steering apparatus of embodiment 5, to the basis of (4), can also obtain the following effect of enumerating in the effect (1) of embodiment 1.
(8) because have the 1st 5 that connects crowngear 4 and power-transfer clutch 6, have for the 1st 5 at direction applied load from intersecting with direction of principal axis, effect is during with the load F of direction of principal axis vertical direction, the connector portions 25 of dockingundocking, so when vehicle collision, can reduce the impulsive force that passes to the driver.
(9) because connector portions 25 has in effect during with the load F of direction of principal axis vertical direction, the engaging structure that engagement breaks away from so only disconnect when collision, when auxiliary mode, can transmit handling maneuver power reliably to wheel flutter 22,22.
(10) because parts 23 sides of connector portions 25 are recess 23a, parts 24 sides are and recess 23a ingear protuberance 24a, so can be formed in open circuited connector portions when colliding with simple structure.
Description architecture at first.
Fig. 9 is the figure of the 1st 5 the structure of expression embodiment 6, the 1st 5 of embodiment 6 has minor diameter part 26a and the mutual differently connector portions 26 of configuration of large-diameter portion 26b, this connector portions 26 is set at, and when the load F of effect and direction of principal axis vertical direction, minor diameter part 26a disconnects.
In addition, about the effect of embodiment 6, since identical with embodiment 5, so omit explanation.
The following describes effect.
For the vehicle steering apparatus of embodiment 6, to the basis of (4), can also obtain following effect in the effect (1) of embodiment 1.
(11) because connector portions 26 disconnects when the load F of effect and direction of principal axis vertical direction, so when vehicle collision, can reduce the impulsive force that passes to the driver.
At first, description architecture.
Figure 10 is the figure of the 1st 5 the structure of expression embodiment 7, in embodiment 7, constitutes the 1st 5 by 2 parts, 27,28 end wises, is provided with when the load F of effect and direction of principal axis vertical direction the connector portions 29 that the connection of 2 parts 27,28 breaks away from.Connector portions 29 is to form criss cross opening shape 27a in parts 27 sides, forms and opening shape 27a ingear criss cross shape for lugs 28a in parts 28 sides.This connector portions 29 is when the load F of effect and direction of principal axis vertical direction, the engaging structure that the engagement of opening shape 27a and shape for lugs 28a breaks away from.
In addition, about the effect of embodiment 7, since identical with the effect of embodiment 5, so omit explanation.
The following describes effect.
For the vehicle steering apparatus of embodiment 7, on the basis of the effect (8) of the effect (1) to (4) of embodiment 1, embodiment 5, can also obtain following effect.
(12) because parts 27 sides of connector portions 29 are opening shape 27a, parts 28 sides be and opening shape 27a ingear shape for lugs 28a, thus can be with simple structure, and constituting can open circuited connector portions when colliding.
Description architecture at first.
Figure 11 is the integral structure figure of the vehicle of expression embodiment 8 with the employed electric steering system of steering apparatus, in embodiment 8, on the basis of the structure of embodiment 5, will the A of handling maneuver portion relative to car body when vehicle front moves, contact with connector portions 25 and impel its open circuited jut 30, on the position relative that is arranged on instrument face plate 9 with connector portions 25.
[promoting the effect that handling maneuver portion breaks away from during collision]
In embodiment 8, when vehicle collision the A of handling maneuver portion to instrument face plate 9 side shiftings, by be configured in instrument face plate 9 on jut 30 contact, can disconnect the 1st 5 reliably, the A of handling maneuver portion is broken away from.
The following describes effect.
For the vehicle steering apparatus of embodiment 8, to the basis of (10), can also obtain following listed effect in the effect (8) of the effect (1) to (4) of embodiment 1, embodiment 5.
(13) because the jut 30 apply with the load of connector portions 25 vertical direction is set,, can reduce impact to the driver so when collision, can impel the 1st 5 disconnection.
(14) because jut 30 is configured on the instrument face plate 9 of vehicle on the position relative with connector portions 25, when so the A of handling maneuver portion is near instrument face plate 9 when vehicle collision, can contact with the 1st 5 reliably, make the 1st 5 disconnection, the A of handling maneuver portion is broken away from.
Description architecture at first.
Figure 12 is the integral structure figure of the vehicle of expression embodiment 9 with the employed electric steering system of steering apparatus, in embodiment 9, with respect to embodiment 8, on the position (shell of reaction force motor 3) relative that jut 31 is configured in the A of handling maneuver portion with connector portions 25.
In addition, about the effect of embodiment 9, since identical with embodiment 8, so omit explanation.
The following describes effect.
For the vehicle steering apparatus of embodiment 9, on the basis of the effect (13) of the effect (8) to (10) of the effect (1) to (4) of embodiment 1, embodiment 5, embodiment 8, can also obtain following effect.
(15) because on the position relative that jut 31 is configured in the A of handling maneuver portion,, make the 1st 5 disconnection, make the A of handling maneuver portion disengaging so when vehicle collision, can reliably contact with the 1st 5 with connector portions 25.
Description architecture at first.
[integral structure]
Figure 13 is the integral structure figure of the vehicle of expression embodiment 10 with the employed electric steering system of steering apparatus.In addition, for the structure identical, use identical label and omit explanation with the 1st embodiment.The vehicle of embodiment 10 is made of the A of handling maneuver portion, cable type pillar (auxiliary unit) 10, turning part B, controller 19 with steering apparatus.The following describes structure separately.
The A of handling maneuver portion have bearing circle (operation input block) 1, column type axle 2, reaction force motor 3, antagonistic force side the 1st crowngear (speedup unit) 4, power-transfer clutch 6, turn side the 2nd crowngear (deceleration unit) 8, bearing circle angle transducer 13 and resolver 15 and constitute.
The 1st crowngear 4 is configured between reaction force motor 3 and the power-transfer clutch 6, makes the S. A. direction of power-transfer clutch 6 different with the S. A. direction of bearing circle 1 (direction of principal axis of column type axle 2).
Power-transfer clutch 6 is installed between column type axle 2 and the cable type pillar 10, in embodiment 1, uses wet multi-plate mechanical clutch as shown in figure 14.In Figure 14,6a is that power-transfer clutch main body, 6b are that interior disk, 6c are that outer disc, 6d are that pressure plate, 6e are that bar, 6f are that lever pin, 6g are that release spring, 6h are that locating dowel pin, 6j are that bolt, 6k are that parallel bolt, 6m are that conversion pulley, 6n are that locating plate, 6p are the set pin spring for adjustment plate, 6i.
Take place under the unusual situation at electric steering system, power-transfer clutch 6 is engaged, mechanically be connected on the steering hardware 11 from bearing circle 1.At this moment, the operating effort of bearing circle 1 is according to the sequence delivery of bearing circle 1, column type axle the 2, the 1st crowngear 4, power-transfer clutch the 6, the 2nd crowngear 8, cable type pillar 10, steering hardware 11.
[detailed structure of handling maneuver portion]
As shown in figure 15, the A of handling maneuver portion is configured in the car indoor that is separated by by the instrument face plate 9 and the engine room of car body.The 1st crowngear 4 is connected by the 1st (S. A.) 5 with power-transfer clutch 6, and power-transfer clutch 6 is connected by the 2nd (S. A.) 7 with the 2nd crowngear 8, and the 2nd crowngear 8 is connected by the 3rd (S. A.) 8c with bearing circle side cable axle 10a.
Figure 16 is the scheme drawing of the detailed structure of expression the 1st crowngear 4, power-transfer clutch 6 and the 2nd crowngear 8.
The 1st crowngear 4 is the crowngears that are made of input gear 4a and output gear 4b.Input gear 4a is connected with column type axle 2 (output shaft of reaction force motor 3), and output gear 4b is connected with the 1st 5.Be input to the rotation of column type axle 2, utilize the hand of rotation mapping function of the 1st crowngear 4, be transformed to right angle orientation (overall width direction), and import to power-transfer clutch 6 by the 1st 5.Form for the 1st 5 than column type axle 2 and the little diameter of the 3rd S. A. 8c.
The 2nd crowngear 8 is the crowngears that are made of input gear 8a and output gear 8b.Input gear 8a is connected with the 2nd 7, and output gear 8b is connected with the 3rd S. A. 8.From the rotation of power-transfer clutch 6 to the 2nd 7 output, utilize the hand of rotation mapping function of the 2nd crowngear 8 to be transformed to right angle orientation (vehicle fore-and-aft direction), output to by the 3rd S. A. 8c on the bearing circle side cable axle 10a of cable type pillar 10.The 2nd 7 and the 1st 5 similarly, is set at than column type axle 2 and the little diameter of the 3rd S. A. 8c.
In addition, the internal structure of the 1st crowngear 4 and the 2nd crowngear 8 is because be and crowngear shown in Figure 34 identical construction, so omit explanation.
The number of teeth at the input gear 4a that makes the 1st crowngear 4 is Z1, the number of teeth that makes output gear 4b is Z2, making the number of teeth of the input gear 8a of the 2nd crowngear 8 is Z1 ', and when making the number of teeth of output gear 8b be Z2 ', the relation of each number of teeth satisfies following formula (1).
Z1/Z2＝Z2’/Z1’...(1)
Here, Z1＞Z2, Z1 '＜Z2 '
That is to say that the 1st crowngear 4 makes the rotation speedup of column type axle 2 and exports to power-transfer clutch 6, the 2nd crowngear 8 makes the output rotational delay of power-transfer clutch 6 and exports to cable type pillar 10.In addition, the input of the rotative speed of column type axle 2 and cable type pillar 10 rotation becomes same rotating speed.
The following describes effect.
[reducing the effect of clutch torque capacity]
When electric steering system was unusual, power-transfer clutch 6 engaged, and the steering effort transmission of bearing circle 1 is according to the sequence delivery of column type axle 2 → the 1st crowngear 4 → power-transfer clutch 6 → the 2nd crowngear 8 → cable type pillars 10 → steering hardware 11.In addition, from the road surface reaction of wheel flutter 22,22, according to the sequence delivery of steering hardware 11 → cable type pillar 10 → the 2nd crowngear 8 → power-transfer clutchs 6 → the 1st crowngear 4 → column type axle 2 → bearing circle 1.
In embodiment 10, because the bearing circle side at power-transfer clutch 6 is provided with i.e. the 1st crowngear 4 of multiplying wheel, steering hardware 11 sides at power-transfer clutch 6 are provided with i.e. the 2nd crowngear 8 of reducing gear, so be applied to the moment of torsion (driver's steering effort and road surface reaction) on the power-transfer clutch 6, than to the input of the 1st crowngear 4 and little from the output of the 2nd crowngear 8.The torque capacity of power-transfer clutch 6 can be suppressed less thus.
In addition, because in embodiment 10, the 1st crowngear 4 is made crowngear,, can shorten the vehicle fore-and-aft direction size of the A of handling maneuver portion so can utilize the 1st crowngear 4 to make the S. A. of front- wheel 22,22 sides of reaction force motor 3 depart from pillar.
[caducous effect during collision]
In embodiment 10 because to connect the 1st crowngear 4 and power-transfer clutch 6 the 1st 5 and is connected power-transfer clutch 6 and the 2nd 7 moment of torsion that applies of the 2nd crowngear 8 little, so the 1st 5 and the 2nd 7 can be made than minor diameter, with the realization lightweight.Thus, the 1st 5 and the 2nd 7 disconnection during vehicle collision becomes easy.Therefore, impulsive force is applied under the situation on the A of handling maneuver portion when vehicle collision, and the 1st 5 or the 2nd 7 disconnect, and the A of handling maneuver portion can obtain the distance between bearing circle 1 and the driver to instrument face plate 9 side shiftings, reduces the impact to the driver.
When common electrical steering control, the 1st 5 sides of the 1st crowngear 4 and power-transfer clutch 6 are together rotated with bearing circle 1, and the 2nd 7 sides, the 2nd crowngear 8 and the cable type pillar 10 of power-transfer clutch 6 together rotate with steering hardware 11.Especially in antagonistic force control, because its responsibility etc. directly have influence on the handling maneuver sense, so the friction force of wishing to reduce together to rotate, inertia etc. as far as possible.
In embodiment 10, by making power-transfer clutch 6 low capacityization and make the 1st 5 and the 2nd 7 lightweights, can further reduce the influence of together rotating, improve antagonistic force control and turn to the responsibility of control.In addition, because the 1st crowngear 4 is installed between reaction force motor 3 and the power-transfer clutch 6, so can avoid friction force that the 1st crowngear 4 had etc. to get involved in from reaction force motor 3 is applied to steering reaction force on the bearing circle 1, can prevent the deterioration of steering operation sensation.
In embodiment 10, because be provided with the S. A. direction of relative direction dish 1, with the S. A. direction transformation of power-transfer clutch 6 the 1st crowngear 4, so direction of principal axis size that can above-mentioned relatively prior art is set the direction of principal axis size shorter to the overall width direction.Thus, can improve vehicle boarded property, realize the expansion of the layout degree of freedom that car is indoor.
The following describes effect.
For the vehicle steering apparatus of embodiment 10, can obtain the following effect of enumerating.
(16) separate the A of handling maneuver portion and make wheel flutter 22 having mechanically with bearing circle 1, the 22 turning part B that turn to, the auxiliary unit (cable type pillar 10) that mechanically connects A of handling maneuver portion and turning part B, use in the steering apparatus with the vehicle of joint that carries out this auxiliary unit or disengaged clutch 6, have on the S. A. (the 1st 5) that is configured between A of handling maneuver portion and the power-transfer clutch 6, make the 1st crowngear 4, and be configured on the S. A. (the 2nd 7) between power-transfer clutch 6 and the turning part B to the output of power-transfer clutch 6 rotation speedup, make the 2nd crowngear 8 to the output rotational delay of turning part B.Thus, can make the moment of torsion that is applied on the power-transfer clutch 6,, the torque capacity of power-transfer clutch 6 can be suppressed less than to the input of the 1st crowngear 4 and little from the output of the 2nd crowngear 8.
(17) because the 1st crowngear 4 has the different and hand of rotation mapping function exported of the S. A. direction of the S. A. direction that makes power-transfer clutch 6 and bearing circle 1, so can set the direction of principal axis (vehicle fore-and-aft direction size) of the A of handling maneuver portion shorter.Thus, can improve vehicle boarded property, enlarge the indoor layout degree of freedom of car.In addition, the friction force that the power-transfer clutch in the time of can be with handling maneuver together rotates suppresses lessly, improves the responsibility of antagonistic force control.
(18) the 2nd crowngears 8 have the different and hand of rotation mapping function exported of the S. A. direction that makes to the input direction of auxiliary unit and bearing circle 1.Thus, can will carry out the hand of rotation of the bearing circle 1 of conversion by the 1st crowngear, return to the direction parallel with column type axle 2.
(19) because with the 1st 5 diameter between the 1st crowngear 4 and the power-transfer clutch 6, be set at littler than the diameter of the column type axle 2 between the 1st crowngear 4 and the bearing circle 1, so the together inertia of rotation in the time of can be with handling maneuver suppresses lessly, improves the responsibility of antagonistic force control.In addition because collision disconnects easily the time, so can reduce to collide the time to driver's impact.
(20) because with the 2nd 7 diameter between the 2nd crowngear 8 and the power-transfer clutch 6, be set at littler than the diameter of the 3rd S. A. 8c between the 2nd crowngear 8 and the turning part B side, so the together inertia of rotation in the time of can be with handling maneuver suppresses lessly, improves the responsibility that turns to control.In addition because collision disconnects easily the time, so can reduce collision the time to driver's impact.
(21) because make power-transfer clutch 6 be friction clutch, so compare the generation of the mistake engaging in the time of can suppressing clutch engagement with engaged clutch (claw power-transfer clutch).
Description architecture at first.
Figure 17 is the scheme drawing of the vehicle of expression embodiment 11 with the structure of steering apparatus.And,, mark identical label and omit explanation the structure identical with embodiment 10.
In embodiment 11, the number of teeth of the input gear 43a of the 2nd crowngear 43 and the number of teeth of output gear 43b are set at equal number, and the gear ratio is 1 to 1.
The bobbin diameter that cable type pillar 44 is set at bearing circle side cable axle 44a is littler than the bobbin diameter of miniature gears side cable axle 44b, and the speedup rotation amount that the feasible handling maneuver that is obtained by the 1st crowngear 4 of setting is imported returns to original rotating speed (being equivalent to deceleration unit).
The number of teeth at the input gear 4a that makes the 1st crowngear 4 is Z1, making the number of teeth of output gear 4b is Z2, and making the bobbin diameter of bearing circle side cable axle 44a is d1, when making the bobbin diameter of miniature gears side cable axle 44b be d2, the relation of each number of teeth and bobbin diameter satisfies following formula (2).
Z1/Z2＝d2/d1...(2)
Here, Z1＞Z2, d2＞d1
In embodiment 11,, be set at diameter little (identical) with the 1st 5 and the 2nd 7 diameters than column type axle 2 with connecting the diameter of the 3rd S. A. 43c of the bearing circle side cable axle 44a of the 2nd crowngear 43 and cable type pillar 44.
The following describes effect.
[effect of control response raising]
In embodiment 11, become the structure that the speedup rotation amount that utilizes cable type pillar 44 to make to be obtained by the 1st crowngear 4 slows down.Thus, because can on the 1st 5, the 2nd 7 basis, make the 3rd S. A. 43c lightweight,, improve the responsibility that turns to control so further reduce the influence of together rotating.
The following describes effect.
Vehicle steering apparatus for embodiment 11 can obtain following effect.
To be delivered to cable type pillar 44 on the wheel flutter 22,22 as deceleration unit by 2 cables by the handling maneuver moment of torsion of bearing circle 1 input when (22) auxiliary unit engages the clutch, bobbin diameter with the bearing circle side cable axle 44a of cable type pillar 44 is set at littler than the bobbin diameter of miniature gears side cable axle 44b.Thus, can be so that connect the 3rd S. A. 43c lightweight of the bearing circle side cable axle 44a of the 2nd crowngear 43 and cable type pillar 44, can suppress lessly by the together inertia of rotation when turning to.
Embodiment 12
Embodiment 12 utilizes the reducing gear that is arranged between cable type pillar and the steering hardware, makes the example of the speedup rotation amount deceleration that is obtained by the 1st crowngear.
Description architecture at first.
Figure 18 is the scheme drawing of the vehicle of expression embodiment 12 with the structure of steering apparatus.And the structure for identical with embodiment 10 or embodiment 11 marks identical label, and omits explanation.
In embodiment 12, between the miniature gears side cable axle 10b and steering hardware 11 of cable type pillar 10, reducing gear (deceleration unit) 45 is installed.The gear of this reducing gear 45 is than (reduction ratio), sets so that the speedup rotation amount that turns to input that is obtained by the 1st crowngear 4 returns to the mode of original rotating speed.
Than being Z3, the number of teeth that makes the input gear 4a of the 1st crowngear 4 is Z1 at the gear that makes reducing gear 45, and when making the number of teeth of output gear 4b be Z2, Z3 satisfies following formula (3).
Z3＝Z2/Z1...(3)
Here, Z1＞Z2
The following describes effect.
[effect that the cable friction reduces]
In embodiment 12, because between cable type pillar 10 and steering hardware 11, the reducing gear 45 that configuration will be slowed down by the speedup rotation amount that the 1st crowngear 4 obtains so the additional torque of cable type pillar 10 is reduced, can suppress the cable friction force.The raising of the raising of the handling maneuver sense in the time of thus, can realizing clutch engagement and the durability of cable type pillar 10.
In addition, the additional torque of cable type pillar 10 is reduced, bearing circle side cable axle 10a and miniature gears side cable axle 10b diameter are diminished, realize lightweight, and the together inertia of rotation will turn to the time suppresses lessly.
The following describes effect.
Vehicle steering apparatus for embodiment 12 can obtain following effect.
(23) because the steering hardware 11 of cable-styled pillar 10 of reducing gear 45 connecting lines and turning part B so can reduce the additional torque of cable type pillar 10, suppresses the cable friction force.Thus, the raising of the handling maneuver sense in the time of can realizing clutch engagement, and the raising of the durability of cable type pillar 10.
Figure 19 is the scheme drawing of the vehicle of expression embodiment 13 with the structure of steering apparatus.In addition, to the structure identical, mark identical label and omit explanation with embodiment 12.
The steering gear of steering hardware 46 (deceleration unit) 46a is set at the speedup rotation amount of importing by the handling maneuver of the 1st crowngear 4, returns to the steering gear ratio of original rotating speed.
Than being Z0, make common steering gear be Z0 at the steering gear that makes steering gear 46a than (the gear ratio of the steering gear 11 of embodiment 10 to 12)
*, making the number of teeth of the input gear 4a of the 1st crowngear 4 is Z1, when making the number of teeth of output gear 4b be Z2, steering gear satisfies following formula (4) than Z0.
Z0＝Z0
*×(Z2/Z1)...(4)
Here, Z1＞Z2
[effect that number of components reduces]
In embodiment 13, because use the steering gear 46 of steering hardware 46, as the deceleration unit that makes the speedup rotation amount deceleration that obtains by the 1st crowngear 4, so structure with respect to the embodiment 12 that reducing gear 45 is set in addition, can realize the minimizing of number of components, and the dwindling of the size from the miniature gears funiculus lateralis of cable type pillar 10 wheel 10b to steering hardware 46.
The following describes effect.
Vehicle steering apparatus for embodiment 13 can obtain following effect.
(24) because to make deceleration unit be the steering gear 46a of steering hardware 46, thus with respect to the structure of the embodiment 12 that deceleration unit is set in addition, can realize because the cost reduction that the minimizing of number of components obtains, and the densification of turning part B.
Embodiment 14
Embodiment 14 is the reduction ratio examples different with the over-speed gear ratio of the 1st crowngear that make the 2nd crowngear.
Description architecture at first.
Figure 20 is the figure of detailed structure of the 1st crowngear 4, power-transfer clutch 6 and the 2nd crowngear 47 of expression embodiment 14.And,, mark identical label and omit explanation for the structure identical with embodiment 1.
In embodiment 14, make the reduction ratio of the 2nd crowngear (deceleration unit) 47 different with the over-speed gear ratio of the 1st crowngear 4, the number of teeth at the input gear 4a that makes the 1st crowngear 4 is Z1, the number of teeth that makes output gear 4b is Z2, the number of teeth that makes the input gear 47a of the 2nd crowngear 27 is Z1 "; make the tooth number Z 2 of output gear 27b " time, the relation of each number of teeth satisfies following formula (5).
Z1/Z2≠Z2″/Z1″...(5)
Here, Z1＞Z2, Z1 "＜Z2 "
At this moment, by making Z1/Z2＞Z2 "/Z1 ", with respect to the handling maneuver amount of bearing circle 1, the steering volume of wheel flutter 22,22 is big, the steering gear ratio can be set at acceleration.
On the other hand, by making Z1/Z2＜Z2 "/Z1 ", with respect to the handling maneuver amount of bearing circle 1, the steering volume of wheel flutter 22,22 reduces, and the steering gear ratio can be set at deceleration.
[structure of cable type pillar]
End bonded assembly bearing circle funiculus lateralis wheel 10a with column type axle 2, be contained in the bearing circle sideslip roller box 10e, the end of 2 interior rope 10g, 10h is separately fixed on the peripheral pulley, form the cable groove simultaneously, its guiding just cables in 2 interior rope 10g, 10h is involved in, and guides another cables to roll out.
Be contained in the wheel flutter sideslip roller box 10f with the end bonded assembly wheel flutter funiculus lateralis wheel 10b of pinion shaft 21, the end of 2 interior rope 10g, 10h is separately fixed on the peripheral pulley, form the cable groove simultaneously, cables among its guiding 2 interior rope 10g, 10h is involved in, and guides another cables to roll out.
That is to say, cable type pillar 10 is by outer tube 10c, 10d, 2 cable pulley 10a of the end of the end of column type axle 2 and pinion shaft 21 will be arranged on, 10b, with at each cable pulley 20a, the last 2 interior rope 10g that reel with opposite towards each other direction of 20b, 10h bonded assembly structure, if bearing circle 1 is rotated to a direction, 2 cables 10c then, 10g and cable 20d, among the 20h, the handling maneuver moment of torsion that the cable transmission is imported by the driver, another cable transmits by wheel flutter 3, the antagonistic force moment of torsion of 3 inputs, performance and column type axle identical functions thus.
Shown in Figure 15 to 20, in embodiment 10 to 14, it is indoor that the 2nd crowngear 8 is configured in car, and the bearing circle sideslip roller box 10e of cable type pillar 10 is configured in car outdoor (in the engine room).The 2nd crowngear 8 and bearing circle sideslip roller box 10e the state of separating the indoor instrument face plate (dividing plate) 9 of engine room and car with clamping, are fixed on the instrument face plate 9.
[structure of turning part]
Turning part B has steering structure 11, pinion shaft 21 and the wheel flutter 22,22 of the auxiliary mechanism of band hydraulic type.Steering hardware 11 has Chi Tiao ﹠amp; The steering gear 11a of pinion type corresponding to the rotation of pinion shaft 21, turns to wheel flutter 22,22.
The following describes effect.
[assemble method of cable type pillar]
Figure 24 is the oblique drawing from vehicle front side visualizer surface plate 9 of the cable type pillar installation method of expression embodiment 10 to 14.
At first, from the car indoor the 2nd crowngear 8 is positioned on the regulation installation site of instrument face plate 9.Then, from the car outside orientation dish sideslip roller box 10e of instrument face plate 9.At this moment, on the face of joint between the 2nd crowngear 8 and the bearing circle sideslip roller box 10e, the packing ring 25 that NBR elastomer rubbers such as (government rubbers) 55b is sticked on the SPCC metal substrate 55a such as (the common cold steel plates that prolongs) shown in Figure 25 is installed as sealing element, and it is indoor to prevent that rainwater from immersing car from engine room.
After the position of the 2nd crowngear 8 and bearing circle sideslip roller box 10e is determined, use bolt 53a, 53b that both are engaged from the car outside.At this moment, the derrated shaft of the 2nd crowngear 8 (output shaft) 8a is inserted in the sawtooth hole (not shown) that is formed centrally in bearing circle funiculus lateralis wheel 10a, the 2nd crowngear 8 and the combination of bearing circle funiculus lateralis wheel 10a sawtooth.
Then, use the bolt 54 roller box 10a that bearing circle breakked away from the car outside to be connected with instrument face plate 9.Thus, bearing circle sideslip roller box 10e and the 2nd crowngear 8 are fixed on the car body.
[improving the effect of cable type pillar installation property]
In embodiment 10 to 14, because it is indoor that the 2nd crowngear 8 is configured in car, bearing circle breakked away, and to be configured in car outdoor for roller box 10e, and both are fixed on the instrument face plate 9, dispose bearing circle sideslip roller box 10e so can make the cable of cable type pillar 10 not pass instrument face plate 9, cable type pillar 10 is easy to carry out to the installation exercise of car body.
In addition, in embodiment 10 to 14, because cable is 1 section, pulley is that a pair of (bearing circle side, wheel flutter side) gets final product, so opening the technology of being put down in writing on the flat 10-67327 communique with the spy of linkage unit in the middle of being provided with between bearing circle and the gear case compares, simplification that can implementation structure and since the cost that number of components reduces reduce.
And, in embodiment 10 to 14, with after crowngear 8 bolted connections are on bearing circle sideslip roller box 10e, bearing circle is breakked away roller box 10e bolted connection on instrument face plate 9, thus, crowngear 8 and bearing circle sideslip roller box 10e are fixed on the car body, therefore, can guarantee the right alignment of crowngear 8 and bearing circle funiculus lateralis wheel 10a, can carry out the sealing of instrument face plate 9 and bearing circle sideslip roller box 10e simultaneously by simple operation.
The following describes effect.
For the vehicle steering apparatus of embodiment 10 to 14, can obtain the following effect of enumerating.
(25) have separate the car disposed bearing circle 1 indoor and disposed the outdoor instrument face plate 9 of the car of turning part B, will be transformed to from the hand of rotation of bearing circle 1 other directions the 1st crowngear 4, will be transformed to the 2nd crowngear 8 from the hand of rotation of the 1st crowngear 4 towards the direction of instrument face plate 9, it is indoor that the 2nd crowngear 8 relative instrument face plates 9 are configured in car, and it is outdoor that the bearing circle funiculus lateralis wheel 10a of cable type pillar 10 is configured in car.Thus, can structure complicated or increase number of components, and realize the raising of the assembleability of bearing circle funiculus lateralis wheel 10a.
(26) be fixed on the instrument face plate 9 because of roller box 10e that bearing circle is breakked away,, can further improve leak tightness so compare with the situation that is provided with the handling maneuver S. A. that runs through instrument face plate 9.
(27) because crowngear 8 is supported on the bearing circle sideslip roller box 10e, so can guarantee the right alignment of crowngear 8 and bearing circle funiculus lateralis wheel 10a, by simple operation, promptly can carry out the sealing of instrument face plate 9 and bearing circle sideslip roller box 10e simultaneously simultaneously.In addition, can utilize existing hermetically-sealed construction (Figure 25) to carry out water-proofing treatment.
Description architecture at first.
Figure 26 is the scheme drawing of the vehicle of expression embodiment 15 with the structure of the handling maneuver portion of steering apparatus.In addition, to the structure identical, mark identical label and omit explanation with embodiment 10.
In embodiment 15, between the bearing circle sideslip roller box 10e of the 2nd crowngear 8 and cable type pillar 10, power-transfer clutch 6 is set, across instrument face plate 9 indoor power-transfer clutch 6 is set at car, at the outdoor bearing circle sideslip roller box 10e that is provided with of car.
From car outside and bearing circle sideslip roller box 10e bolted connection, bearing circle sideslip roller box 10e is from car outside and instrument face plate 9 bolted connections across instrument face plate 9 for power-transfer clutch 6.
The following describes effect.
[effect that arrangement space increases in the engine room]
In embodiment 15, between the 2nd crowngear 8 and bearing circle sideslip roller box 10e, power-transfer clutch 6 is set, it is indoor that power-transfer clutch 6 is configured in car.Because in the car outside of instrument face plate 9 is to have a plurality of brake units, ABC pedal unit, Windshield Wiper unit, various pipe arrangements etc. in the engine room, thus indoor by power-transfer clutch 6 being configured in car, can reduce influence to the layout in the engine room.
In addition, because power-transfer clutch 6 is supported on the bearing circle sideslip roller box 10e, the bearing circle roller box 10e that breaks away is fixed on the instrument face plate 9, so can make auxiliary mechanism's (power-transfer clutch 6, cable type pillar 10) integrated, guaranteeing has bigger space around instrument face plate.
The following describes effect.
For the vehicle steering apparatus of embodiment 15, on the basis of the effect (25) of embodiment 10 to 14, (26), can also obtain the following effect of enumerating.
(27) because the power-transfer clutch 6 that makes cable type pillar 10 and bearing circle 1 break and close is set, power-transfer clutch 6 is configured between the 2nd crowngear 8 and the bearing circle funiculus lateralis wheel 10a, so can realize the integrated of auxiliary mechanism's (power-transfer clutch 6, cable type pillar 10).In addition, can realize simplifying the structure between the 1st crowngear 4 and the 2nd crowngear 8, increase instrument face plate space on every side.
(28) indoor because power-transfer clutch 6 is configured in car, so even under the outdoor situation that does not have a power-transfer clutch arrangement space of car, also power-transfer clutch can be carried on the vehicle.
(29) because power-transfer clutch 6 is supported on the bearing circle sideslip roller box 10e, the bearing circle roller box 10e that breaks away is fixed on the instrument face plate 9, so can guarantee the right alignment of power-transfer clutch 6 and bearing circle sideslip roller box 10e, and can will seal between instrument face plate 9 and the bearing circle sideslip roller box 10e.
Description architecture at first.
Figure 27 is the scheme drawing of the vehicle of expression embodiment 4 with the structure of the handling maneuver portion of steering apparatus.And,, mark identical label and omit explanation for the structure identical with embodiment 15.
In embodiment 16, power-transfer clutch 6 is arranged between the 2nd crowngear 8 and the bearing circle sideslip roller box 10e, across instrument face plate 9 at indoor configuration the 2nd crowngear 8 of car, at the outdoor configuration power-transfer clutch 6 of car.
From car outside and power-transfer clutch 6 bolted connections, power-transfer clutch 6 is from car outside and instrument face plate 9 bolted connections across instrument face plate 9 for the 2nd crowngear 8.
The following describes effect.
[effect that arrangement space increases around the instrument face plate]
In embodiment 16, between the 2nd crowngear 8 and bearing circle sideslip roller box 10e, power-transfer clutch 6 is set, it is outdoor that power-transfer clutch 6 is configured in car.Because around the car indoor of instrument face plate 9 is instrument face plate, have a plurality of air-conditioning units, ECU, master cylinders, various electric wirings etc., so, can reduce influence to the indoor layout of car by power-transfer clutch 6 is configured in the engine room.
In addition, because the motion and sound of power-transfer clutch 6 is difficult for passing to the driver,, can not make the complex structureization of parts so, can simplify sound insulation construction with respect to power-transfer clutch 6 being configured in the indoor situation of car.
The following describes effect.
For the vehicle steering apparatus of embodiment 16, on the basis of the effect (25) of embodiment 10 to 14, (26), can also obtain following cited effect.
(30) outdoor because power-transfer clutch 6 is configured in car, so even under the indoor situation that does not have a power-transfer clutch arrangement space of car, also power-transfer clutch can be carried on the vehicle.
(31) because the 2nd crowngear 8 is supported on the power-transfer clutch 6, power-transfer clutch 6 is fixed on the instrument face plate 9, thus can guarantee the right alignment of the 2nd crowngear 8 and power-transfer clutch 6, and can will seal between instrument face plate 9 and the bearing circle sideslip roller box 10e.
Description architecture at first.
Figure 28 is the scheme drawing of the vehicle of expression embodiment 17 with the structure of the handling maneuver portion of steering apparatus.And,, mark identical label and omit explanation for the structure identical with embodiment 10.
In embodiment 17,, cardan 76 is set being configured in the 2nd indoor crowngear 8 of car across instrument face plate 9 and being configured between the outdoor bearing circle sideslip roller box 10e of car.
It is indoor that cardan 76 is configured in car, connects with the 2nd crowngear 8 bonded assembly axles 77 with the bearing circle funiculus lateralis to take turns 10a bonded assembly axle 78.As shown in figure 29, form sawtooth 77a, 78a in the end of 2 axles 77,78, these sawtooth 77a, 78a are inserted in respectively on the cardan 76 in the formed sawtooth hole (not shown), make axle 77,78 and cardan 76 sawtooth combinations.
The following describes effect.
[easy-to-install effect]
Shown in embodiment 17, utilizing the handling maneuver S. A., connection is under the situation of the power transfer path between the unit of instrument face plate 9 (the 2nd crowngear 8, bearing circle funiculus lateralis wheel 10a), because require the right alignment of the 2nd crowngear 8 and bearing circle sideslip roller box 10e, so the assembling difficulty.
Relative therewith, in embodiment 17,2 axles 77,78 are inserted in the cardan 76, can guarantee the right alignment of 2 axles 77,78.That is to say, eliminate the departing from of axle center of axle 77,78 because can utilize cardan 76, so be easy to connect the torque-transmitting mechanisms between the unit (the 2nd crowngear 8, bearing circle funiculus lateralis wheel 10a) across instrument face plate 9, can carry out assembling operation simply.
The following describes effect.
For the vehicle steering apparatus of embodiment 17, on the basis of the effect (25) of embodiment 10 to 14, (26), can also obtain following effect.
(32) because cardan 76 is set passing between the handling maneuver S. A. of instrument face plate 9 (axle 77,78), so can easily engage torque-transmitting mechanisms between the unit (the 2nd crowngear 8, bearing circle funiculus lateralis wheel 10a) across instrument face plate 9.
(other embodiment)
Above explanation is used to implement best mode of the present invention according to embodiment 1 to 17, but concrete structure of the present invention is not limited to embodiment 1 to 17, and the design modification etc. that does not break away from the scope of inventive concept is also contained among the present invention.
For example, in embodiment 1 to 17, use crowngear as the hand of rotation converter unit, but the hand of rotation converter unit is as long as between the reaction force motor and power-transfer clutch of handling maneuver portion, make the S. A. direction of power-transfer clutch and different the getting final product of S. A. direction of operation input block, for example can use cardan.In addition, auxiliary mechanism is not limited to the cable type pillar, for example also can utilize axle to constitute.
In addition, in embodiment 8,9, illustrated and used the example of the connector portions 25 of embodiment 5, but also can use the connector portions 26,29 of embodiment 6 or 7 as connector portions.
Claims (21)
1. vehicle steering apparatus, it has:
Handling maneuver portion, it has operation inputting part and antagonistic force actuator;
The turning part, it separates with aforementioned handling maneuver portion mechanicalness, and wheel flutter is turned to;
Power-transfer clutch, it is configured between aforementioned handling maneuver portion and the aforementioned turning part;
Auxiliary mechanism, it is configured between aforementioned clutch and the aforementioned turning part, when aforementioned clutch engages, with utilizing the handling maneuver moment of torsion of aforementioned operation input part input, passes to aforementioned wheel flutter via the cable that connects aforementioned clutch and aforementioned turning part; And
The 1st hand of rotation converting means, it is configured between the antagonistic force actuator and aforementioned clutch of aforementioned handling maneuver portion, and change the S. A. direction of aforementioned operation input part and export,
Wherein, aforementioned handling maneuver portion is configured in car is indoor and the car indoor outdoor separated dividing plate of car, and aforementioned auxiliary mechanism and aforementioned turning part are configured in the car outside of aforementioned separator plate.
2. vehicle steering apparatus as claimed in claim 1, wherein,
Aforementioned hand of rotation converting means is a right angle orientation with the S. A. direction transformation of aforementioned operation input part.
3. vehicle steering apparatus as claimed in claim 1, wherein,
Aforementioned hand of rotation converting means is exported the rotation of aforementioned operation input part to the overall width direction outside.
4. vehicle steering apparatus as claimed in claim 1, wherein,
Aforementioned hand of rotation converting means is exported the rotation of aforementioned operation input part to overall width direction inboard.
5. vehicle steering apparatus as claimed in claim 1, wherein,
Aforementioned hand of rotation converting means is exported the rotation of aforementioned operation input part to under-vehicle.
6. vehicle steering apparatus as claimed in claim 1,
It also has axle, and this axle connects aforementioned hand of rotation converting means and aforementioned clutch,
Wherein, aforementioned axis has connector portions, from the direction applied load that intersects with direction of principal axis the time, and the dockingundocking of this connector portions.
7. vehicle steering apparatus as claimed in claim 1, it also has:
The 2nd hand of rotation converting means, it is configured between aforementioned the 1st hand of rotation converting means and the aforementioned turning part, will be towards aforementioned turning part from the S. A. direction transformation of aforementioned the 1st hand of rotation converting means.
8. vehicle steering apparatus as claimed in claim 7, wherein
Aforementioned clutch is configured between aforementioned the 1st hand of rotation converting means and the 2nd hand of rotation converting means.
9. vehicle steering apparatus as claimed in claim 8, wherein
The 1st hand of rotation converting means has acceleration mechanism, and it makes to the output rotation of aforementioned clutch and quickens.
10. vehicle steering apparatus as claimed in claim 9, wherein
The 2nd hand of rotation converting means has speed reduction gearing, and it makes the output rotational delay to aforementioned turning part.
11. vehicle steering apparatus as claimed in claim 10, wherein
Aforementioned speed reduction gearing connects aforementioned auxiliary mechanism and aforementioned turning part.
12. vehicle steering apparatus as claimed in claim 10, wherein
Aforementioned speed reduction gearing is the steering gear of aforementioned turning part.
13. vehicle steering apparatus as claimed in claim 7,
Aforementioned the 1st hand of rotation converting means and aforementioned the 2nd hand of rotation converting means are configured in the car indoor of dividing plate.
14. vehicle steering apparatus as claimed in claim 13, wherein
Bearing circle sideslip roller box is accommodated the bearing circle side cable pulley of the bearing circle side part that is wound with in the aforementioned cable, and this bearing circle sideslip roller box is fixed on the aforementioned separator plate.
15. vehicle steering apparatus as claimed in claim 14, wherein
Aforementioned the 2nd hand of rotation converting means is supported by aforementioned bearing circle sideslip roller box.
16. vehicle steering apparatus as claimed in claim 14, wherein
Aforementioned clutch is configured between aforementioned the 2nd hand of rotation converting means and the aforementioned bearing circle side cable pulley.
17. vehicle steering apparatus as claimed in claim 16, wherein
It is indoor that aforementioned clutch is configured in car.
18. vehicle steering apparatus as claimed in claim 17, wherein
Aforementioned clutch is supported by aforementioned bearing circle sideslip roller box.
19. vehicle steering apparatus as claimed in claim 16, wherein
It is outdoor that aforementioned clutch is configured in car.
20. vehicle steering apparatus as claimed in claim 1, wherein,
Aforementioned the 1st hand of rotation converting means changes to the S. A. direction of aforementioned operation input part towards the direction along aforementioned separator plate.
21. vehicle steering apparatus as claimed in claim 1, wherein,
Aforementioned the 1st hand of rotation converting means changes aforementioned S. A. direction, to shorten in the indoor length of aforementioned handling maneuver portion on the aforementioned axis direction of car.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2005167200A JP4696702B2 (en) | 2005-06-07 | 2005-06-07 | Vehicle steering system |
| JP2005167200 | 2005-06-07 | ||
| JP2005192325 | 2005-06-30 | ||
| JP2005206271 | 2005-07-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1880143A CN1880143A (en) | 2006-12-20 |
| CN100441461C true CN100441461C (en) | 2008-12-10 |
Family
ID=37518557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100835586A Active CN100441461C (en) | 2005-06-07 | 2006-06-07 | Steering apparatus for a vehicle |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4696702B2 (en) |
| CN (1) | CN100441461C (en) |
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| CN101248936B (en) | 2007-02-22 | 2010-10-13 | 考可拉夫特公司 | Foldable and portable playard assemblies with a storage compartment and methods of use thereof |
| CN106516040A (en) * | 2016-11-14 | 2017-03-22 | 南通市海鸥救生防护用品有限公司 | Steering device for hull cleaning, brushing and monitoring underwater robot |
| JP7099307B2 (en) * | 2018-12-25 | 2022-07-12 | トヨタ自動車株式会社 | Steering device |
| CN112706831B (en) * | 2019-10-25 | 2023-06-13 | 比亚迪股份有限公司 | Steering system and automobile |
| CN113715906B (en) * | 2021-09-01 | 2022-05-27 | 三一汽车起重机械有限公司 | Steering monitoring method and system of multi-axis steering crane and crane |
| CN115257911B (en) * | 2022-08-26 | 2023-12-29 | 上海集度汽车有限公司 | Steer-by-wire control system, method, vehicle and storage medium |
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| EP1445171A2 (en) * | 2003-02-04 | 2004-08-11 | HONDA MOTOR CO., Ltd. | Automotive steering system |
| JP2004224096A (en) * | 2003-01-21 | 2004-08-12 | Kayaba Ind Co Ltd | Electric power steering device |
| CN1590183A (en) * | 2003-08-28 | 2005-03-09 | 日产自动车株式会社 | Vehicle steering system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1059193A (en) * | 1996-08-26 | 1998-03-03 | Honda Motor Co Ltd | Cable type steering device |
| JPH10138937A (en) * | 1996-11-08 | 1998-05-26 | Chuo Spring Co Ltd | Power steering device for automobile |
| JP2000053009A (en) * | 1998-08-07 | 2000-02-22 | Koyo Seiko Co Ltd | Vehicle steering device |
| JP2000344053A (en) * | 1999-06-04 | 2000-12-12 | Mazda Motor Corp | Vehicle steering structure |
| DE10021903A1 (en) * | 2000-05-05 | 2001-11-15 | Daimler Chrysler Ag | Steering system for a vehicle |
| JP2005053259A (en) * | 2003-08-05 | 2005-03-03 | Fuji Kiko Co Ltd | Cable type steering device |
| JP4193635B2 (en) * | 2003-08-18 | 2008-12-10 | 株式会社ジェイテクト | Vehicle steering system |
| JP2005096745A (en) * | 2003-08-28 | 2005-04-14 | Nissan Motor Co Ltd | Vehicular steering device |
-
2005
- 2005-06-07 JP JP2005167200A patent/JP4696702B2/en not_active Expired - Fee Related
-
2006
- 2006-06-07 CN CNB2006100835586A patent/CN100441461C/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH11180331A (en) * | 1997-12-24 | 1999-07-06 | Toyota Central Res & Dev Lab Inc | Motor-driven powder steering device |
| JP2002046638A (en) * | 2000-08-07 | 2002-02-12 | Koyo Seiko Co Ltd | Steering device for vehicle |
| JP2004224096A (en) * | 2003-01-21 | 2004-08-12 | Kayaba Ind Co Ltd | Electric power steering device |
| EP1445171A2 (en) * | 2003-02-04 | 2004-08-11 | HONDA MOTOR CO., Ltd. | Automotive steering system |
| CN1590183A (en) * | 2003-08-28 | 2005-03-09 | 日产自动车株式会社 | Vehicle steering system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006341658A (en) | 2006-12-21 |
| CN1880143A (en) | 2006-12-20 |
| JP4696702B2 (en) | 2011-06-08 |
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