CN1968846A - Steering device for vehicle and method of assembling the same - Google Patents
Steering device for vehicle and method of assembling the same Download PDFInfo
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- CN1968846A CN1968846A CNA2005800197926A CN200580019792A CN1968846A CN 1968846 A CN1968846 A CN 1968846A CN A2005800197926 A CNA2005800197926 A CN A2005800197926A CN 200580019792 A CN200580019792 A CN 200580019792A CN 1968846 A CN1968846 A CN 1968846A
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Abstract
A vehicle steering system includes: a sensor mechanism having a sensor coil 13; an antitheft device which has a key lock collar 4 and is disposed on the rear side of the sensor mechanism, in which the outer diameter of the key lock collar 4 of the antitheft device is larger than the inner diameter of the sensor coil 13 of the sensor mechanism; and a member 15 which has a diameter larger than the inner diameter of the sensor coil 13 and which is disposed on the front side of the sensor mechanism, wherein a steering shaft 3 or 6 to which the member 15 having the large diameter is fixed is inserted to the sensor coil 13 and then the key lock collar 4 is fitted to the steering shaft 3 or 6.
Description
Technical field
The present invention relates to have sensor mechanism and be configured in the steering device for motor vehicle and the assemble method thereof of driven steering device etc. of the anti-joyride device of rear view of vehicle side.
Background technology
Driven steering device as vehicle, known following formation: slow down by wheel word, the rotation output that forms the electro-motor of assisted diversion moment of torsion is delivered on the output shaft of steering hardware the auxiliary steering effort that is applied on the steering handwheel, thereby steered wheel.In such driven steering device, use the speed reduction gearing be arranged in the casing, make the rotational delay of electro-motor, and with transmission of power to output shaft.
In such driven steering device, torsion bar is connected with the output shaft that steering effort is delivered to wheel the input shaft that bears from the steering effort of steering handwheel.According to the testing result of the torsional torque of this torsion bar, adjust the output of assisted diversion power and control necessary steering torque.
Common following assembling input shaft.That is, the Steering gear parts are fixed on the sensor casing and the cell winding of assembling sensor mechanism after, input shaft is inserted the Steering gear components interior from the Sensor box side, assemble.
On the other hand, stolen in order to prevent vehicle, anti-joyride device is set on vehicle.When the driver pulled out key, because input shaft is fixed with respect to the Steering gear parts, steering handwheel remained on non-steering state.
In this anti-joyride device, be fixed on the outer peripheral face of input shaft by the lock ring (keylock collar) that mode will have a plurality of holes such as being pressed into.When the driver pulls out key, enter its fastening of Kong Bingyu of lock ring from the Steering gear component side mobile axle of radially advancing and retreat.Thus, input shaft and steering handwheel remain on nonrotating state.
But understand easily, when the supporting same torque, compare with being partially pressed at minor diameter part, large-diameter portion be pressed into Shi Nengyong littler defeat into.Therefore, lock ring is made the intensity that big footpath can reduce lock ring itself.Promptly, because the power of the key bolt that advance and retreat move itself dies down, the key bolt that fastens with the hole of lock ring also needs not to be high strength, also can the design of low-intensity ground bear this power part (hold key bolt casing, bear from the hole of the Steering gear portion of the power of casing etc.).
And, when using slip ring, by the diameter of axle and lock ring internal diameter decision slip moment.At this moment, when the diameter of axle increased, slip moment relative diameter change in size was not obvious.Therefore, when goods were in certain slip moment zone, working accuracy was just dispensable, can reduce manufacturing cost.
But, when using sensor, up to now, be subjected to the restriction of cell winding internal diameter, lock ring can not be made big footpath.
Method as lock ring being made the big big footpath of ratio sensor internal coil diameter has aftermentioned patent documentation 1～3.
Like this, when lock ring was formed big footpath, the external diameter of lock ring was bigger than the internal diameter that is contained in the cell winding in the sensor casing.And the worm gear of the speed reduction gearing that the ratio sensor internal coil diameter is big is engaged on the output shaft.
That is, input shaft and output shaft have the worm gear of the big vehicle front side of ratio sensor internal coil diameter and the lock ring of rear view of vehicle side in its both ends side.
Therefore, in patent documentation 1～3, when the assembling driven steering device, input shaft is divided into vehicle front side and rear side.When lock ring is fixed on the input shaft of this rear side, and after input shaft that (cooperation) the output shaft of worm gear and front side will be installed be combined into one, insert in the sensor casing, be assembled into assembly.
Then, the input shaft of the front side of the input shaft of the fixing rear side of lock ring and this assembly is integrated, finishes this assembling.
Patent documentation 1: the spy opens the 2000-85596 communique
Patent documentation 2: the spy opens the 2000-318626 communique
Patent documentation 3: the spy opens the 2003-72566 communique
But, as above-mentioned patent documentation 1～3,, the input shaft of driven steering device is divided into two sections for the lock ring of anti-joyride device is installed, cause number of components to increase, simultaneously, the combination operation of cutting apart product is numerous and diverse, and then causes manufacturing cost to raise.
In addition, for this problem, also will consider the internal diameter that merely increases cell winding.But the redesign coil will spend cooresponding time, can cause the rising of manufacturing cost.And the internal diameter of cell winding is to normalisation progress, and is corresponding therewith, has the background of the diameter that also limited steering shaft etc.
Summary of the invention
In view of the foregoing, the objective of the invention is to, driven steering device and assemble method thereof are provided, can not cause the increase of number of components, can assemble the big lock ring of ratio sensor internal coil diameter, and then, can realize the stack-mounted facilitation of worm gear, and, can also freely set the diameter dimension of lock ring.
For achieving the above object, according to the 1st aspect of the present invention, provide a kind of steering device for motor vehicle, it comprises: the sensor mechanism with cell winding; And have lock ring and be configured in the anti-joyride device of the rear view of vehicle side of the sensor mechanism, the external diameter of the lock ring of above-mentioned anti-joyride device is greater than the cell winding internal diameter of the sensor mechanism, vehicle front side in the sensor mechanism has the large-diameter portion spare bigger than the sensor internal coil diameter, it is characterized in that, after the steering shaft that will be fixed with above-mentioned large-diameter portion spare passed the sensor coil, above-mentioned lock ring was assembled on the above-mentioned steering shaft.
According to the 2nd aspect of the present invention, the invention described above the 1st aspect steering device for motor vehicle in, above-mentioned steering shaft has the anchor clamps installation portion of adjusting device, described anchor clamps use when above-mentioned lock ring is installed.
According to the 3rd aspect of the present invention, the invention described above the 2nd aspect steering device for motor vehicle in, the vary in diameter portion that above-mentioned anchor clamps installation portion is formed on the above-mentioned steering shaft and diameter dimension is changed.
According to the 4th aspect of the present invention, the invention described above the 2nd aspect steering device for motor vehicle in, the groove that above-mentioned anchor clamps installation portion is arranged on the above-mentioned steering shaft and is formed by annular flange portion.
According to the 5th aspect of the present invention, the invention described above the 2nd aspect steering device for motor vehicle in, above-mentioned anchor clamps installation portion is the hole that forms on above-mentioned steering shaft.
According to the 6th aspect of the present invention, a kind of assemble method of steering device for motor vehicle is provided, be used to assemble steering device for motor vehicle, described steering device for motor vehicle comprises: the sensor mechanism with cell winding; And have lock ring and be configured in the anti-joyride device of the rear view of vehicle side of the sensor mechanism, the external diameter of the lock ring of above-mentioned anti-joyride device is greater than the cell winding internal diameter of the sensor mechanism, vehicle front side in the sensor mechanism has the big large-diameter portion spare of ratio sensor internal coil diameter, it is characterized in that, above-mentioned large-diameter portion spare is fixed on the steering shaft, above-mentioned steering shaft is passed the sensor coil, above-mentioned lock ring is assembled on the above-mentioned steering shaft.
According to the 7th aspect of the present invention, the invention described above the 6th aspect the assemble method of steering device for motor vehicle in, above-mentioned steering shaft has the anchor clamps installation portion of adjusting device, described anchor clamps use when above-mentioned lock ring is installed, when above-mentioned lock ring is installed, bear axial load by this anchor clamps installation portion.
According to the 8th aspect of the present invention, the invention described above the 7th aspect the assemble method of steering device for motor vehicle in, the vary in diameter portion that above-mentioned anchor clamps installation portion is arranged on the above-mentioned steering shaft and diameter dimension is changed.
According to the 9th aspect of the present invention, the invention described above the 7th aspect the assemble method of steering device for motor vehicle in, the groove that above-mentioned anchor clamps installation portion is arranged on the above-mentioned steering shaft and is formed by annular flange portion.
According to the 10th aspect of the present invention, the invention described above the 7th aspect the assemble method of steering device for motor vehicle in, above-mentioned anchor clamps installation portion is the hole that forms on above-mentioned steering shaft.
According to the 11st aspect of the present invention, a kind of driven steering device is provided, wherein, the driven gear that has retarder in the vehicle front side of sensor mechanism, the lock ring that has anti-joyride device in the rear view of vehicle side of the sensor mechanism, the external diameter of above-mentioned driven gear and above-mentioned lock ring is bigger than the cell winding internal diameter of the sensor mechanism, corresponding to the steering torque that is applied on the steering handwheel, produce the assisted diversion moment of torsion from electro-motor, slow down by above-mentioned retarder, above-mentioned assisted diversion moment of torsion is delivered on the output shaft of steering hardware, it is characterized in that, after the steering shaft that will be fixed with above-mentioned lock ring passed the sensor coil, above-mentioned driven gear was assembled on the above-mentioned steering shaft.
According to the 12nd aspect of the present invention, the invention described above the 11st aspect driven steering device in, " α " is the distance between the vehicle front end of the rear view of vehicle end of casing and lock ring, label " β " be the anchor clamps of the vehicle front end of casing and output shaft with the distance between the vehicle front side of groove, be set at " α＞β ".
According to the 13rd aspect of the present invention, the invention described above the 11st or 12 aspect driven steering device in, above-mentioned steering shaft has the anchor clamps installation portion of adjusting device, described anchor clamps use when above-mentioned driven gear is installed.
According to the 14th aspect of the present invention, the invention described above the 13rd aspect driven steering device in, above-mentioned anchor clamps installation portion is that the output shaft that forms on above-mentioned steering shaft is fixedly used screw thread.
According to the 15th aspect of the present invention, the invention described above the 13rd aspect driven steering device in, the vary in diameter portion that above-mentioned anchor clamps installation portion is arranged on the above-mentioned steering shaft and diameter dimension is changed.
According to the 16th aspect of the present invention, the invention described above the 13rd aspect driven steering device in, above-mentioned anchor clamps installation portion is the part planar portions that forms on above-mentioned steering shaft.
According to the 17th aspect of the present invention, a kind of assemble method of driven steering device is provided, be used to assemble driven steering device, in the described driven steering device, the driven gear that has retarder in the vehicle front side of sensor mechanism, the lock ring that has anti-joyride device in the rear view of vehicle side of the sensor mechanism, the external diameter of above-mentioned driven gear and above-mentioned lock ring is bigger than the cell winding internal diameter of the sensor mechanism, corresponding to the steering torque that is applied on the steering handwheel, produce the assisted diversion moment of torsion from electro-motor, slow down by above-mentioned retarder, above-mentioned assisted diversion moment of torsion is delivered on the output shaft of steering hardware, it is characterized in that, above-mentioned lock ring is fixed on the steering shaft, above-mentioned steering shaft is passed the sensor coil, above-mentioned driven gear is assembled on the above-mentioned steering shaft.
According to the 18th aspect of the present invention, the invention described above the 17th aspect the assemble method of driven steering device in, " α " is the distance between the vehicle front end of the rear view of vehicle end of casing and lock ring, label " β " be the anchor clamps of the vehicle front end of casing and output shaft with the distance between the vehicle front side of groove, be set at " α＞β ".
According to the 19th aspect of the present invention, the invention described above the 17th or 18 aspect the assemble method of driven steering device in, above-mentioned steering shaft has the anchor clamps installation portion of adjusting device, described anchor clamps use when above-mentioned driven gear is installed.
According to the 20th aspect of the present invention, the invention described above the 19th aspect the assemble method of driven steering device in, above-mentioned anchor clamps installation portion is that the output shaft that forms on above-mentioned steering shaft is fixedly used screw thread.
According to the 21st aspect of the present invention, the invention described above the 19th aspect the assemble method of driven steering device in, the vary in diameter portion that above-mentioned anchor clamps installation portion is arranged on the above-mentioned steering shaft and diameter dimension is changed.
According to the 22nd aspect of the present invention, the invention described above the 19th aspect the assemble method of driven steering device in, above-mentioned anchor clamps installation portion is the part planar portions that forms on above-mentioned steering shaft.
According to the 23rd aspect of the present invention, a kind of steering device for motor vehicle is provided, comprising: in the rear view of vehicle side of sensor mechanism and be assembled with the input shaft of the lock ring of the anti-joyride device bigger in advance than the cell winding internal diameter of this sensor mechanism; With in the vehicle front side of the sensor mechanism and be assembled with the output shaft of the big large-diameter portion spare of ratio sensor internal coil diameter in advance, it is characterized in that, the cell winding that will be positioned at the middle sensor mechanism of above-mentioned input shaft and above-mentioned output shaft is clipped in the middle, internal side diameter at the sensor coil, above-mentioned input shaft and above-mentioned output shaft are assembled into one, then, penetrate predetermined fixed torsion bar among the side in above-mentioned diaxon with fixing with pin, this torsion bar is assembled on the opposing party in the above-mentioned diaxon.
According to the 24th aspect of the present invention, the invention described above the 23rd aspect steering device for motor vehicle in, the side's in above-mentioned diaxon fixedly is pressed in advance.
According to the 25th aspect of the present invention, the invention described above the 23rd aspect steering device for motor vehicle in, the side's in above-mentioned diaxon fixedly is that pin is fixed in advance.
According to the 26th aspect of the present invention, a kind of assemble method of steering device for motor vehicle is provided, be used to assemble steering device for motor vehicle, described steering device for motor vehicle comprises: in the rear view of vehicle side of sensor mechanism and be assembled with the input shaft of the lock ring of the anti-joyride device bigger than the cell winding internal diameter of this sensor mechanism in advance; With in the vehicle front side of the sensor mechanism and be assembled with the output shaft of the big large-diameter portion spare of ratio sensor internal coil diameter in advance, it is characterized in that, the cell winding that will be positioned at the middle sensor mechanism of above-mentioned input shaft and above-mentioned output shaft is clipped in the middle, internal side diameter at the sensor coil, above-mentioned input shaft and above-mentioned output shaft are assembled into one, then, pass predetermined fixed torsion bar among the side in above-mentioned diaxon with fixing with pin, this torsion bar is assembled on the opposing party in the above-mentioned diaxon.
According to the 27th aspect of the present invention, the invention described above the 26th aspect the assemble method of steering device for motor vehicle in, the side's in above-mentioned diaxon fixedly is pressed in advance.
According to the 28th aspect of the present invention, the invention described above the 26th aspect the assemble method of steering device for motor vehicle in, the side's in above-mentioned diaxon fixedly is that pin is fixed in advance.
The invention effect
As above explanation according to the 1st to the 10th aspect of the present invention, is assembled in lock ring fixedly large-diameter portion spare (for example worm gear) from behind and passes on the steering shaft (input shaft and output shaft) of cell winding.Therefore, can not cause number of components to increase, can easily assemble the big lock ring of ratio sensor internal coil diameter.
And like this, because back assembling lock ring, assemble method of the present invention also is applicable to the steering shaft (input shaft) of overlay structure.
And because back assembling lock ring, assemble method of the present invention also is applicable to the steering hardware that does not have servomechanism and have only torque sensor mechanism.At this moment, large-diameter portion spare for example is the yoke with the universal coupling of output shaft one.
And, according to the 11st to 22 aspect of the present invention, from the rear driven gear is assembled in fixedly lock ring and passes on the steering shaft of cell winding.Can not cause the increase of part count thus, can assemble the big lock ring of ratio sensor internal coil diameter, and then, can realize the stack-mounted facilitation of worm gear, and, also can freely set the diameter dimension of lock ring.
And like this, because back assembling driven gear, assemble method of the present invention also is applicable to the steering shaft (input shaft) of overlay structure.
And, owing to the auxiliary section of driven gear and steering shaft basically without limits, can freely manufacture and design driven steering device.Therefore, also can expect to realize the effect of design standardization etc.
Further, according to the 23rd to 28 aspect of the present invention, when even input shaft and output shaft have greater than the worm gear of the lock ring of the rear view of vehicle side of the internal diameter that is in the middle cell winding of input shaft and output shaft and vehicle front side respectively, can not cause number of components to increase yet, can easily assemble the big lock ring of ratio sensor internal coil diameter.
And, even sensor axis is overlay structure or stretching structure, also can easily assemble the big lock ring of ratio sensor internal coil diameter.
Description of drawings
Fig. 1 is the longitudinal section of the driven steering device of the present invention's the 1st embodiment.
Fig. 2 A is the longitudinal section of the driven steering device of the present invention's the 2nd embodiment.
Fig. 2 B is the sectional elevation along the b-b line of Fig. 2 A.
Fig. 3 is the longitudinal section of the driven steering device of the present invention's the 3rd embodiment.
Fig. 4 A is the longitudinal section of the driven steering device of the present invention's the 4th embodiment.
Fig. 4 B is the sectional elevation along the b-b line of Fig. 4 A.
Fig. 5 is the longitudinal section of the driven steering device of the present invention's the 5th embodiment.
Fig. 6 is the longitudinal section of the steering device for motor vehicle of the present invention's the 6th embodiment.
Fig. 7 is the longitudinal section of the steering device for motor vehicle of the present invention's the 7th embodiment.
Fig. 8 is the longitudinal section of the steering device for motor vehicle of the present invention's the 8th embodiment.
Fig. 9 A is the longitudinal section of the driven steering device of the present invention's the 9th embodiment.
Fig. 9 B is the partial, longitudinal cross-sectional of driven steering device of the reference example of the 9th embodiment.
Figure 10 is the longitudinal section of the driven steering device of the present invention's the 9th embodiment, and expression is the operation of worm gear fixedly, and simultaneously, expression is installed with the state of anchor clamps.
Figure 11 is the longitudinal section of driven steering device of the variation of the present invention's the 9th embodiment.
Figure 12 is the longitudinal section of the driven steering device of the present invention's the 10th embodiment.
Figure 13 is the longitudinal section of the driven steering device of the present invention's the 11st embodiment.
Figure 14 A is the longitudinal section of the driven steering device of the present invention's the 12nd embodiment.
Figure 14 B is the cutaway view along the b-b line of Figure 14 A.
Figure 15 is the longitudinal section of the driven steering device of the present invention's the 13rd embodiment.
Figure 16 is the assembly drawing of driven steering device shown in Figure 15, is the longitudinal section of input shaft side.
Figure 17 is the assembly drawing of driven steering device shown in Figure 15, is the longitudinal section of output shaft side.
Figure 18 is the longitudinal section of input shaft of the 1st variation of the present invention's the 13rd embodiment.
Figure 19 is the longitudinal section of input shaft of the 2nd variation of the present invention's the 13rd embodiment.
Figure 20 is the longitudinal section of input shaft of the 3rd variation of the present invention's the 13rd embodiment.
Figure 21 is the longitudinal section of the driven steering device of the present invention's the 14th embodiment.
Figure 22 A is the longitudinal section of the steering hardware of the present invention's the 15th embodiment.
Figure 22 B is the cutaway view along the b-b line of Figure 22 A.
Label declaration
1 Steering gear
The 1a hole
2 bearings
3 input shafts
3a installs and uses screw thread
3b cooperation recess
4 lock rings
The 4a hole
4b cooperation protuberance
5 slip rings
6 output shafts
7 torsion bars
8 gears case (casing)
8a, the 8b bearing
9 lids
9a, the 9b bearing
10 set pins
11 detection grooves
12 sleeves
13 cell windings
14 worm screws
15 worm gears
Steering gear on 21
The 21a hole
22 times Steering gears
Axle on 31
32 lower shafts
40 universal couplings
41,43 yokes
42 center crosss
51 annular flange portion
52 grooves
61 holes
101 Steering gears
The 101a hole
102 bearings
103 input shafts
104 lock rings
The 104a hole
105 slip rings
106 output shafts
The 106a large-diameter portion
106b serration portion
The 106c tapered portion
107 torsion bars
108 casings
The 108a bearing
109 lids
109a, the 109b bearing
110 set pins
111 detection grooves
112 sleeves
113 cell windings
114 worm screws
115 worm gears
116 nuts
117 anchor clamps grooves
Steering gear on 121
The 121a hole
122 times Steering gears
Axle on 131
132 lower shafts
140 O shapes ring
150 slip rings
160 part planar portions
100S stage portion (vary in diameter portion)
The 100G anchor clamps
201 Steering gears
The 201a hole
202 bearings
203 input shafts
204 lock rings
The 204a hole
205 slip rings
206 output shafts
207 torsion bars
208 gears case (casing)
The 208a hole
209 lids
209a, the 209b bearing
210 fixedly use pin
211 detection grooves
212 sleeves
213 cell windings
214 worm screws
215 worm gears
216 sealing elements
217 bolts
218 bolts
219 injection moulding portions
220 joint portions
221 male spliness
222 female spliness
223 assembling nuts
230 casings
The 230a hole
231 universal couplings
The 231a yoke
The 232a bearing
The 232b bearing
233 bearings
The specific embodiment
The steering device for motor vehicle and the assemble method thereof of embodiment of the present invention are described with reference to the accompanying drawings.
(the 1st embodiment)
Fig. 1 is the longitudinal section of the driven steering device of the present invention's the 1st embodiment.
Driven steering device after the assembling that present embodiment at first is described is finished illustrates the assemble method of this driven steering device then.
In the Steering gear booster type electric power steering gear shown in Fig. 1, but the input shaft 3 of steering shaft passes through bearing 2 free rotary ground supportings on the Steering gear 1 of non-overlapped (no collapse) structure.
In addition, label " 3a " expression is used to install the installation screw thread of steering handwheel (diagram slightly).
The lock ring 4 of anti-joyride device is pressed in the middle part of this input shaft 3 by slip ring 5.When the driver pulls out key, the axle (diagram slightly) that moves in advance and retreat radially from the hole 1a of Steering gear 1 enter lock ring 4 hole 4a and with its fastening.Thus, input shaft 3 and steering handwheel (diagram slightly) can be remained on nonrotating state.
And, when the moment of torsion that on lock ring 4, applies more than the certain value, the relative rotation that slip ring 5 allows with respect to input shaft 3.
In addition, as hereinafter described, compare the stage portion S (vary in diameter portion) that the other parts path forms in the vehicle front side setting of input shaft 3.
The cardinal extremity of torsion bar 7 is pressed into the vehicle front side that is fixed on input shaft 3.This torsion bar 7 extends in the inside of the output shaft 6 of hollow, and its front end is fixed on the end of output shaft 6 by set pin 10.
Be formed with the detection groove 11 of torque sensor mechanism in the rear view of vehicle side of output shaft 6.The sleeve 12 of torque sensor mechanism is configured in these and detects the radially outer of using groove 11.The rear view of vehicle side end of this sleeve 12 is fixed on the vehicle front side end of input shaft 3 by mode such as step up.Radially outer at sleeve 12 is provided with coil 13 and substrate etc.
And the axle drive shaft of electro-motor (diagram slightly), be that worm screw 14 ingear worm gears 15 cooperate and are installed on the output shaft 6.
Thereby the steering effort that the driver turns to steering handwheel (diagram slightly) to be produced passes to not shown wheel flutter by input shaft 3, torsion bar 7, output shaft 6 and rack and pinion type steering hardware.And the rotational force of electro-motor is delivered to output shaft 6 by its worm screw 14 and worm gear 15, by rotational force and the hand of rotation of suitably controlling this electro-motor, applies the suitable auxiliary torque that turns on output shaft 6.
Then, when assembling the driven steering device of the non-overlapped structure that as above constitutes, in advance with input shaft 3 and gear case 8 assemblings such as grade, component part assembly.That is, in the part assembly, worm gear 15 is engaged on the output shaft 6, and makes up torsion bar 7, input shaft 3, and steering shaft (input shaft 3 and output shaft 6) passes path cell winding 13 internal diameters.
By means of slip ring 5, lock ring 4 is assembled on the input shaft 3 of this part assembly by mode such as being pressed into.
Then, Steering gear 1 is attached on the gear case 8 of part assembly, thereby driven steering device is finished in assembling.
In above embodiment, pass the cell winding 13 of path in the centre of steering shaft (input shaft 3 and output shaft 6), in the both end sides of steering shaft diameter worm gear 15 and the lock ring 4 bigger than coil 13 are installed.In this case, from the rear lock ring 4 is assembled in fixedly worm screw 15 and passes on the steering shaft (input shaft 3 and output shaft 6) of cell winding 13, owing to adopt this mode, therefore can not cause the increase of part count, can easily assemble the big lock ring 4 of internal diameter of ratio sensor coil 13.
And, in the present embodiment,,, be provided with stage portion S (vary in diameter portion) by forming path in the vehicle front side of input shaft 3.In addition, this stage portion S (vary in diameter portion) is the anchor clamps installation portion that the anchor clamps that use when lock ring 4 is installed are installed.
When from steering handwheel (diagram slightly) when side is assembled in lock ring 4 on the input shaft 3, owing to be pressed into lock ring 4 vertically, thereby produced axial load.At this moment, this stage portion S can bear this axial load.Thereby unnecessary load can not be delivered to and input shaft 3 bonded assembly sensor mechanism.
In addition, also can use steering-wheel placing to replace this stage portion S (vary in diameter portion), at the axial load of steering handwheel (diagram slightly) when the side tension is born and is pressed into screw thread 3a.
And, as other method, at first, lock ring 4 is through on the input shaft 3, lock ring 4 is pressed into, to cover slip ring at assigned position to steering handwheel (diagram is slightly) side shifting.
At this moment, stage portion S (vary in diameter portion) is dispensable, also can utilize steering-wheel placing to bear with screw thread 3a end face and be pressed into load.
(the 2nd embodiment)
Fig. 2 A is the longitudinal section of the driven steering device of the present invention's the 2nd embodiment, and Fig. 2 B is the sectional elevation along the b-b line of Fig. 2 A.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 1st embodiment, only describes with regard to difference.
In the present embodiment, do not use slip ring 5, lock ring 4 directly is pressed on the input shaft 3.
Shown in Fig. 2 B, in the present embodiment, on steering shaft 3, circumferentially forming 3 cooperation recess 3b.On the other hand, on the inner peripheral surface of lock ring 4, form 3 the circumferential cooperation protuberance 4b that cooperate usefulness recess 3b to cooperate with this when being pressed into.Thus, the power that is pressed into changes not obvious on the cylinder size of lock ring 4, and simultaneously, lock ring 4 is difficult to rotate with respect to steering shaft 3.
That is, in the present embodiment, input shaft 3 is also assembled the component part assembly in advance with gear case 8 grades.That is, in the part assembly, worm gear 15 is engaged on the output shaft 6, combination torsion bar 7, input shaft 3, and steering shaft (input shaft 3 and output shaft 6) passes path cell winding 13 internal diameters.
Like this, in the present embodiment, also pass the cell winding 13 of path, diameter worm gear 15 and the lock ring 4 bigger than coil 13 are installed in the both end sides of steering shaft in the centre of steering shaft (input shaft 3 and output shaft 6).In this case, from the rear lock ring 4 is assembled in fixedly worm screw 15 and passes on the steering shaft (input shaft 3 and output shaft 6) of cell winding 13, owing to adopt this mode, therefore can not cause the increase of part count, can easily assemble the big lock ring 4 of internal diameter of ratio sensor coil 13.
And, in the present embodiment,,, also be provided with the stage portion S (vary in diameter portion) that is used to bear the axial load when being pressed into lock ring 4 by forming path in the vehicle front side of input shaft 3.
(the 3rd embodiment)
Fig. 3 is the longitudinal section of the driven steering device of the present invention's the 3rd embodiment.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 1st embodiment, only describes with regard to difference.
In the present embodiment, do not use slip ring, lock ring 4 directly is fixed on the input shaft 3 by welding.
That is, in the present embodiment, input shaft 3 also in advance with gear case 8 assemblings such as grade, component part assembly.That is, in the part assembly, worm gear 15 is engaged on the output shaft 6, combination torsion bar 7, input shaft 3, and steering shaft (input shaft 3 and output shaft 6) passes path cell winding 13 internal diameters.
Like this, in the present embodiment, also pass the cell winding 13 of path, diameter worm gear 15 and the lock ring 4 bigger than coil 13 are installed in the both end sides of steering shaft in the centre of steering shaft (input shaft 3 and output shaft 6).In this case, from the rear lock ring 4 is assembled in fixedly worm screw 15 and passes on the steering shaft (input shaft 3 and output shaft 6) of cell winding 13, therefore can not cause the increase of part count, can easily assemble the big lock ring 4 of internal diameter of ratio sensor coil 13.
And, in the present embodiment,,, also be provided with the stage portion S (vary in diameter portion) of the axial load that is used to bear lock ring 4 by forming path in the vehicle front side of input shaft 3.
(the 4th embodiment)
Fig. 4 A is the longitudinal section of the driven steering device of the present invention's the 4th embodiment, and Fig. 2 B is the sectional elevation along the b-b line of Fig. 4 A.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 1st embodiment, only describes with regard to difference.
In the present embodiment, do not use slip ring, lock ring 4 directly is fixed on the input shaft 3 by stepping up.
That is, in the present embodiment, input shaft 3 also in advance with gear case 8 assemblings such as grade, component part assembly.That is, in the part assembly, worm gear 15 is engaged on the output shaft 6, combination torsion bar 7, input shaft 3, and steering shaft (input shaft 3 and output shaft 6) runs through path cell winding 13 internal diameters.
Like this, in the present embodiment, also pass the cell winding 13 of path, diameter worm gear 15 and the lock ring 4 bigger than coil 13 are installed in the both end sides of steering shaft in the centre of steering shaft (input shaft 3 and output shaft 6).In this case, from the rear lock ring 4 is assembled in fixedly worm screw 15 and passes on the steering shaft (input shaft 3 and output shaft 6) of cell winding 13, owing to adopt this mode, therefore can not cause the increase of part count, can easily assemble the big lock ring 4 of internal diameter of ratio sensor coil 13.
And, in the present embodiment,,, also be provided with the stage portion S (vary in diameter portion) of the axial load that is used to bear lock ring 4 by forming path in the vehicle front side of input shaft 3.
(the 5th embodiment)
Fig. 5 is the longitudinal section of the driven steering device of the present invention's the 5th embodiment.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 1st embodiment, only describes with regard to difference.
In the present embodiment, the Steering gear of overlay structure is made of with the following Steering gear 22 that can overlap the vehicle front side of cooperation the last Steering gear 21 of rear view of vehicle side, when secondary impact, last Steering gear 21 can move to vehicle front with respect to Steering gear 22 is overlapping down.
Input shaft is by axle 31 on the hollow of rear view of vehicle side and can constitute with the solid lower shaft 32 of the vehicle front side of its bearing fit, and when secondary impact, last 31 can be moved to vehicle front with respect to lower shaft 32.
The lock ring 4 of anti-joyride device is pressed into the middle large-diameter portion of axle 31 on the hollow by slip ring 5.When the driver pulls out key, from the hole 21a of last Steering gear 21 radially advance and retreat mobile axle (diagram slightly) enter lock ring 4 hole 4a and with its fastening, thus, the input shaft and the steering handwheel (diagram is slightly) that are made of last axle 31 and lower shaft 32 can remain on nonrotating state.
During the driven steering device of the overlay structure that as above constitutes when assembling, input shaft (31,32) in advance with assembling such as gear case 8, component part assembly.That is, in the part assembly, worm gear 15 is engaged on the output shaft 6, combination torsion bar 7, input shaft (31,32), and steering shaft (input shaft (21,32) and output shaft 6) passes path cell winding 13 internal diameters.
By means of slip ring 5, lock ring 4 is assembled on the input shaft (31) of this part assembly by mode such as being pressed into.
Then, Steering gear 21,22 is attached on the gear case 8 of part assembly, thereby driven steering device is finished in assembling.
As known from the above, in the present embodiment, pass the cell winding 13 of path in the centre of steering shaft (input shaft (31,32) and output shaft 6), diameter worm gear 15 and the lock ring 4 bigger than coil 13 are installed in the both end sides of steering shaft.
In this case, from the rear lock ring 4 is assembled in fixedly worm screw 15 and passes on the steering shaft (input shaft 3 and output shaft 6) of cell winding 13, owing to adopt this mode, therefore can not cause the increase of part count, can easily assemble the big lock ring 4 of internal diameter of ratio sensor coil 13.
And, in the present embodiment, the rake of going up axle 31 of hollow (among Fig. 5 with the oval position that surrounds) and ora terminalis (position that surrounds with circle among Fig. 5) can bear lock ring 4 being assembled in the axial load that produces when input shaft (31,32) is gone up and (form axially upward the time and be pressed into owing to lock ring 4 being assembled in input shaft (31,32), thereby the axial load that produces), unnecessary load can not be delivered to the sensor mechanism that is connected on the input shaft (31,32) and the overlay structure portion that constitutes by last axle 31 and lower shaft 32 on.
(the 6th embodiment)
Fig. 6 is the longitudinal section of the steering device for motor vehicle of the present invention's the 6th embodiment.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 1st embodiment, only describes with regard to difference.
The steering hardware of present embodiment does not have servomechanism, has only torque sensor mechanism.This kind situation also can be suitable for assemble method of the present invention.
In the present embodiment, in gear case 8, has torque sensor mechanism.That is, the detection that is formed with torque sensor mechanism in the rear view of vehicle side of output shaft 6 is with groove 11, and the sleeve 12 of torque sensor mechanism is configured in these and detects radially outer with grooves 11.The vehicle front side end of this sleeve 12 is by stepping up to wait the rear view of vehicle side end that is fixed on output shaft 6.Radially outer at sleeve 12 is provided with coil 13 and substrate etc.In addition, but output shaft 6 by bearing 8a, input shaft 3 by bearing 8b free rotary ground supporting respectively.
When assembling have as above constitute have the steering device for motor vehicle of torque sensor mechanism the time, input shaft 3 in advance with gear case 8 assemblings such as grade, component part assembly.That is, in the part assembly, yoke 41 one of output shaft 6 and universal coupling 40 constitute, and combination torsion bar 7, input shaft 3 are on this output shaft 6, and steering shaft (input shaft 3 and output shaft 6) passes path cell winding 13 internal diameters.
By means of slip ring 5, lock ring 4 is assembled on the input shaft 3 of this part assembly by mode such as being pressed into.
Then, Steering gear 1 is attached on the casing 8 of part assembly, thereby the steering device for motor vehicle with torque sensor mechanism is finished in assembling.
As known from the above, in the present embodiment, pass the cell winding 13 of path in the centre of steering shaft (input shaft 3 and output shaft 6), the yoke 41 and the lock ring 4 of the diameter universal coupling 40 bigger than coil 13 is installed in the both end sides of steering shaft.In this case, be assembled on yoke 41 that has universal coupling 40 integratedly and the steering shaft that passes cell winding 13 (input shaft 3 and output shaft 6) from the rear with lock ring 4, therefore can not cause the increase of part count, can easily assemble the big lock ring 4 of internal diameter of ratio sensor coil 13.
And, in the present embodiment,,, be provided with stage portion S (vary in diameter portion) by forming path in the vehicle front side of input shaft 3.This stage portion S can bear when being assembled in lock ring 4 on the input shaft 3 axial load that produces and (be pressed into owing to form axially when being assembled in lock ring 4 on the input shaft 3, thereby generation axial load), unnecessary load can not be delivered on the sensor mechanism that is connected on the input shaft 3.
(the 7th embodiment)
Fig. 7 is the longitudinal section of the steering device for motor vehicle of the present invention's the 7th embodiment.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 1st embodiment, only describes with regard to difference.
In the present embodiment, go up formation annular flange portion 51, at the vehicle front side formation groove 52 of this annular flange portion 51 at steering shaft 3 (input shaft).Groove 52 is anchor clamps installation portions that the anchor clamps that use when lock ring 4 is installed are installed.
In addition, also can use steering-wheel placing to replace this annular flange portion 51 and groove 52, at the axial load of steering handwheel (diagram slightly) when the side tension is born and is pressed into screw thread 3a.
And, as other method, at first, before passing slip ring 5, make input shaft 3 pass lock ring 4, lock ring 4 is pressed into, to cover slip ring at assigned position to steering handwheel (diagram is slightly) side shifting.
At this moment, annular flange portion 51 and groove 52 are dispensable, also can utilize steering-wheel placing to bear with screw thread 3a end face and be pressed into load.
(the 8th embodiment)
Fig. 8 is the longitudinal section of the steering device for motor vehicle of the present invention's the 8th embodiment.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 1st embodiment, only describes with regard to difference.
In the present embodiment, go up formation hole 61 at steering shaft 3 (input shaft).This hole 61 is anchor clamps installation portions that the anchor clamps that use when lock ring 4 is installed are installed.
The axial load that produces when side is assembled in lock ring 4 on the input shaft 3 from steering handwheel (diagram slightly) when being assembled in lock ring 4 on the input shaft 3 (owing to form axially be pressed into) can be born in hole 61, unnecessary load can not be delivered to input shaft 3 bonded assembly sensor mechanism on.
In addition, also can use steering-wheel placing to replace this hole 61, at the axial load of steering handwheel (diagram slightly) when the side tension is born and is pressed into screw thread 3a.
And, as other method, at first, before passing slip ring 5, make input shaft 3 pass lock ring 4, lock ring 4 is pressed into, to cover slip ring at assigned position to steering handwheel (diagram is slightly) side shifting.
At this moment, hole 61 is dispensable, also can utilize steering-wheel placing to bear with screw thread 3a end face and be pressed into load.
(the 9th embodiment)
Fig. 9 A is the longitudinal section of the driven steering device of the present invention's the 9th embodiment, and Fig. 9 B is the part longitudinal section of driven steering device of the reference example of the 9th embodiment.
With above-mentioned identical, the driven steering device after the assembling that present embodiment at first is described is finished illustrates the assemble method of this driven steering device then.
In the Steering gear booster type electric power steering gear shown in Fig. 9 A, but the input shaft 103 of steering shaft passes through bearing 102 free rotary ground supportings in the Steering gear 101 of non-overlapped structure.
The lock ring 104 of anti-joyride device is pressed into the pars intermedia of this input shaft 103 by slip ring 105.When the driver pulls out key, the axle (diagram slightly) that moves in advance and retreat radially from the hole 101a of Steering gear 101 enter lock ring 104 hole 104a and with its fastening.Thus, input shaft 103 and steering handwheel (diagram slightly) can be remained on nonrotating state.
And, when the moment of torsion that on lock ring 104, applies more than the certain value, the relative rotation that slip ring 105 allows with respect to input shaft 103.
The cardinal extremity of torsion bar 107 is pressed into the vehicle front side that is fixed on input shaft 103.This torsion bar 107 extends in the inside of the output shaft 106 of hollow, and its front end is fixed on the end of output shaft 106 by set pin 110.
Be formed with the detection groove 111 of torque sensor mechanism in the rear view of vehicle side of output shaft 106.The sleeve 112 of torque sensor mechanism is configured in these and detects the radially outer of using groove 111.The rear view of vehicle side end of this sleeve 112 is fixed on the vehicle front side end of input shaft 103 by mode such as step up.Radially outer at sleeve 112 is provided with cell winding 113 and substrate etc.
And electro-motor (diagram slightly) axle drive shaft, be that worm screw 114 ingear worm gears 115 cooperate and are installed on the output shaft 106.This worm gear 115 is pressed on the large-diameter portion 106a that is engaged in output shaft 106, as described later, can not fix with the relative rotation.
In addition, as hereinafter described,,, stage portion 100S (vary in diameter portion) is set by forming big footpath in the rear view of vehicle side of the worm gear 115 of output shaft 106 and in the vehicle front side of cell winding 113.
Thereby the steering effort that the driver turns to steering handwheel (diagram slightly) to be produced passes to not shown wheel flutter by input shaft 103, torsion bar 107, output shaft 106 and rack and pinion type steering hardware.And the rotational force of electro-motor is delivered to output shaft 106 by this worm screw 114 and worm gear 115, by rotational force and the hand of rotation of suitably controlling this electro-motor, applies the suitable auxiliary torque that turns on output shaft 106.
Then, during the driven steering device of the non-overlapped structure that as above constitutes when assembling, at first,, lock ring 104 is assembled on the input shaft 103 of steering shaft by mode such as being pressed into by means of slip ring 105.
The steering shaft (input shaft 103 and output shaft 106) of lock ring 104 is housed, inserts in the casing 108, and pass and the internal diameter of the cell winding 113 of the sensor mechanism of these casing 108 one along the graphic direction of arrow.
Then, worm gear 115 is pressed on the large-diameter portion 106a of the output shaft 106 that is engaged in steering shaft, can not fixes with the relative rotation.
At last, in conjunction with Steering gear 101 and lid 109, driven steering device is finished in assembling in the both sides of casing 108.
As known from the above, in the present embodiment, pass the cell winding 113 of path in the centre of steering shaft (input shaft 103 and output shaft 106), diameter worm gear 115 and the lock ring 104 bigger than coil 113 are installed in the both end sides of steering shaft.In this case, from the rear worm gear 115 is assembled in fixedly lock ring 104 and passing on the steering shaft (input shaft 103 and output shaft 106) of cell winding 113.Can not cause the increase of part count thus, can assemble the big lock ring 104 of internal diameter of ratio sensor coil 113, and then, can realize the stack-mounted facilitation of worm gear 115, and, also can freely set the diameter dimension of lock ring 104.
And, in the present embodiment,, and,, stage portion 100S (vary in diameter portion) is set by forming big footpath in the vehicle front side of cell winding 113 in the rear view of vehicle side of the worm gear 115 of output shaft 106.And, at the rear side formation anchor clamps groove 117 of this stage portion 100S.
When assembling worm gear 115 on output shaft 106,, produce axial load owing to axially be pressed into worm gear.At this moment, this stage portion 100S (anchor clamps with groove 117) can bear above-mentioned axial load, unnecessary load can not be delivered to output shaft 106 bonded assembly sensor mechanism on.In addition, also can use output shaft to fix and replace this stage portion 100S (anchor clamps groove 117) with screw thread, bear the axial load when being pressed into, also the part planar portions that can form by the vehicle front side at cell winding 113 is born the axial load when being pressed into.
Then, in the reference example shown in Fig. 9 B, input shaft 103 hollows of steering shaft ground forms, and as above-mentioned, worm gear 115 is installed in the back.Thereby, do not use lock ring 104, by the input shaft 103 of big footpath ground formation hollow, on this large-diameter portion, form locking and use hole 103a, thus, also can constitute lock ring integratedly.
Next, Figure 10 is the longitudinal section of the driven steering device of the present invention's the 9th embodiment, shows the fixedly operation of worm gear, simultaneously, shows the state that anchor clamps are installed.
As shown in Figure 9, distance between the rear view of vehicle end of label " α " expression casing 108 and the vehicle front end of lock ring 104, the vehicle front end of label " β " expression casing 108 and the anchor clamps of output shaft 106 are set at " α＞β " with the distance between the vehicle front side of groove 117.
Consequently, become gap when the anchor clamps 100G be used for bearing input shaft 103 loads when being pressed into worm gear 115 is installed with the difference of " alpha-beta " expression.
That is, as shown in figure 10, when being pressed into worm gear 115, input shaft 103 and output shaft 106 to the vehicle front side shifting, make that " α " is zero with respect to casing 108.
The anchor clamps of output shaft 106 use the vehicle front side of groove 117 also to this amount of movement of vehicle front side shifting " α ", because " α＞β ", thereby can expose from the vehicle front end of casing 108.
Thereby, as shown in figure 10, in the gap of " alpha-beta " size, above-mentioned anchor clamps 100G can be installed.
As known from the above, when being pressed into worm gear 115, as shown in figure 10, with above-mentioned anchor clamps 100G is installed on the groove 117, under this state, on worm gear 115, be applied with load (F) towards rear view of vehicle at anchor clamps.
Consequently, worm gear 115 is pressed on the large-diameter portion 106a that is engaged in output shaft 106, can not fix with the relative rotation.
Next, Figure 11 is the longitudinal section of driven steering device of the variation of the present invention's the 9th embodiment.
In this variation, as shown in figure 11, with respect to the 9th embodiment, casing 108 and lid 109 separately constitute in the rear view of vehicle side.Consequently, worm screw 114 and worm gear 115 are contained in the lid 109 of vehicle front side.And the bearing 108a of rear view of vehicle side is installed between casing 108 and the output shaft 106.And worm gear 115 is engaged on the output shaft 106 of steering shaft, by clamp nut 116, through bearing 109a, worm gear can not be fixed with the relative rotation.
(the 10th embodiment)
Figure 12 is the longitudinal section of the driven steering device of the present invention's the 10th embodiment.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 9th embodiment, only describes with regard to difference.
In the present embodiment, the Steering gear of overlay structure is made of with the following Steering gear 122 that can overlap the vehicle front side of cooperation the last Steering gear 121 of rear view of vehicle side.When secondary impact, last Steering gear 121 can move to vehicle front with respect to Steering gear 122 is overlapping down.
Input shaft is by axle 131 on the hollow of rear view of vehicle side and can constitute with the solid lower shaft 132 of the vehicle front side of its bearing fit, and when secondary impact, last 131 can be moved to vehicle front with respect to lower shaft 132.
The lock ring 104 of anti-joyride device is welded on the large-diameter portion in the middle of the axle 131 on the hollow.When the driver pulls out key, the axle (diagram slightly) that moves in advance and retreat radially from the hole 121a of last Steering gear 121 enter lock ring 104 hole 104a and with its fastening.Thus, input shaft (131,132) and steering handwheel (diagram slightly) can remain on nonrotating state.
In addition, but output shaft 106 by the bearing 109a free rotary ground supporting of the bearing 108a of casing 108 sides and lid 109 sides.
In the present embodiment, on output shaft 106, form the serration 106b of portion, worm gear 115 serrations are engaged on the output shaft 106.
When the assembling driven steering device, at first, lock ring 104 is assembled on the axle 131 by welding.
The steering shaft (input shaft 131,132 and output shaft 106) of lock ring 104 is housed, inserts in the casing 108, pass and the internal diameter of the cell winding 113 of the sensor mechanism of these casing 108 one along the graphic direction of arrow.
Then, worm gear 115 cooperates with the 106b of the serration portion serration of the output shaft 106 of steering shaft, through bearing and by clamp nut 116, can not fix with the relative rotation.
At last, in conjunction with Steering gear (121,122) and lid 109, driven steering device is finished in assembling in the both sides of casing 108.
As known from the above, in the present embodiment, pass the cell winding 113 of path in the centre of steering shaft (input shaft 131,132 and output shaft 106), diameter worm gear 115 and the lock ring 104 bigger than coil 113 are installed in the both end sides of steering shaft.In this case, from the rear worm gear 115 is assembled in fixedly lock ring 104 and passing on the steering shaft (input shaft 131,132 and output shaft 106) of cell winding 113.Therefore can not cause the increase of part count, can assemble the big lock ring 104 of internal diameter of ratio sensor coil 113, and then, can realize the stack-mounted facilitation of worm gear 115, and, also can freely set the diameter dimension of lock ring 104.
In addition, worm gear 115 cooperates with output shaft 106 serrations, when assembling, axial load can not take place, and therefore, does not need to be provided with the stage portion 100S (vary in diameter portion) of the 9th embodiment on output shaft 106.
And, in the rear view of vehicle side of the 106b of serration portion of output shaft 106 O shape ring 140 is set.Thus, clamping O shape ring 140 between output shaft 106 and worm gear 115 prevents to produce between output shaft 106 and worm gear 115 loosening.
(the 11st embodiment)
Figure 13 is the longitudinal section of the driven steering device of the present invention's the 11st embodiment.
In the present embodiment, as shown in the figure, its basic structure is identical with above-mentioned the 9th embodiment, only describes with regard to difference.
In the present embodiment, by the slip ring 150 that works as torque limiter, worm gear 115 is engaged on the large-diameter portion 106a of output shaft 106.
By this slip ring 150; when from electro-motor (diagram slightly) process worm gear 115 transmission assisted diversion moments of torsion; worm gear 115 can not rotate relatively with output shaft 106; but when wheel bump curb etc. is born impact load from the steering gear side; since allow worm gear 115 and output shaft 106 mutually to rotation, thereby can protect worm gear 115.
When the assembling driven steering device, at first, lock ring 104 is assembled on the input shaft 103 of steering shaft by welding etc.The steering shaft (input shaft 103 and output shaft 106) that will have lock ring 104 inserts in the casing 108, and passes the internal diameter with the cell winding 113 of the sensor mechanism of this casing 108 one.
Then, by slip ring 150 worm gear 115 is pressed into and is engaged on the large-diameter portion 106a of output shaft 106 of steering shaft, can not fix with the relative rotation.At last, Steering gear 101 and lid 109 are combined in the both sides of casing 108, and the electric power steering hardware is finished in assembling.
As known from the above, in the present embodiment, pass the cell winding 113 of path in the centre of steering shaft (input shaft 103 and output shaft 106), diameter worm gear 115 and the lock ring 104 bigger than coil 113 are installed in the both end sides of steering shaft.In this case, from the rear worm gear 115 is assembled in fixedly lock ring 104 and passing on the steering shaft (input shaft 103 and output shaft 106) of cell winding 113.Therefore can not cause the increase of part count, can assemble the big lock ring 104 of internal diameter of ratio sensor coil 113.And then, can realize the stack-mounted facilitation of worm gear 115, and, also can freely set the diameter dimension of lock ring 104.
And, in the present embodiment,, and,, stage portion 100S (vary in diameter portion) is set by forming big footpath in the vehicle front side of cell winding 113 in the rear view of vehicle side of the worm gear 115 of output shaft 106.This stage portion 100S can bear when being assembled in worm gear 115 on the output shaft 106 axial load that produces when being assembled in worm gear 115 on the output shaft 106 (owing to form axially be pressed into), can make unnecessary load be not delivered to output shaft 106 bonded assembly sensor mechanism on.In addition, can use also that output shaft is fixing to replace this stage portion 100S with screw thread, bear the axial load when being pressed into, also can bear axial load when being pressed into by the part planar portions of the vehicle front side that is formed on cell winding 113.
(the 12nd embodiment)
Figure 14 A is the longitudinal section of the driven steering device of the present invention's the 12nd embodiment, and Figure 14 B is the cutaway view along the b-b line of Figure 14 A.
In the present embodiment, as shown in the figure, its basic structure is identical with the above-mentioned the 9th or the 10th embodiment, only describes with regard to difference.
In the present embodiment, the Steering gear of overlay structure is made of with the following Steering gear 122 that can overlap the vehicle front side of cooperation the last Steering gear 121 of rear view of vehicle side.When secondary impact, last Steering gear 121 can move to vehicle front with respect to Steering gear 122 is overlapping down.
Input shaft is by axle 131 on the hollow of rear view of vehicle side and can constitute with the solid lower shaft 132 of the vehicle front side of its bearing fit, and when secondary impact, last 131 can be moved to vehicle front with respect to lower shaft 132.
The lock ring 104 of anti-joyride device is pressed into the large-diameter portion in the middle of the axle 131 on the hollow.When the driver pulls out key, the axle (diagram slightly) that moves in advance and retreat radially from the hole 121a of last Steering gear 121 enter lock ring 104 hole 104a and with its fastening.Thus, input shaft (131,132) and steering handwheel (diagram slightly) can remain on nonrotating state.
In addition, but output shaft 106 by the bearing 109a free rotary ground supporting of the bearing 108a of casing 108 sides and lid 109 sides.
In the present embodiment, on output shaft 106, form tapered portion 106c, so that worm gear 115 taper fit are on output shaft 106.By this taper fit, both friction force make output shaft 106 can not rotate relatively with worm gear 115.
At this moment, as shown in Figure 14B, form a pair of part planar portions 160,160 in the rear view of vehicle side of the tapered portion of output shaft 106.By keeping this a pair of part planar portions 160,160, do not have excessive torsional torque and act on the sensor mechanism, can clamp nut 116.
When the assembling driven steering device, at first, lock ring 104 is assembled on the axle 131 by modes such as welding.
Along the graphic direction of arrow, will be equipped with the steering shaft (input shaft 131,132 and output shaft 106) of lock ring 104 insert in the casing 108, and pass and cell winding 113 internal diameters of the sensor mechanism of these casing 108 one.
Then, the tapered portion 106c taper fit of the output shaft 106 of worm gear 115 and steering shaft by clamp nut 116, via bearing 109a, can not be fixed with the relative rotation.At this moment,,, do not have excessive torsional torque and act on the sensor mechanism by keeping this a pair of part planar portions 160,160 as above-mentioned, can clamp nut 116.
At last, in conjunction with Steering gear (121,122) and lid 109, driven steering device is finished in assembling in the both sides of casing 108.
As known from the above, in the present embodiment, pass the cell winding 113 of path in the centre of steering shaft (input shaft 131,132 and output shaft 106), diameter worm gear 115 and the lock ring 104 bigger than coil 113 are installed in the both end sides of steering shaft.In this case, from the rear worm gear 115 is assembled in fixing lock ring 104 and passes the steering shaft (input shaft 131 of cell winding 113,132 and output shaft 106) on, therefore can not cause the increase of part count, can assemble the big lock ring 104 of internal diameter of ratio sensor coil 113.And then, can realize the stack-mounted facilitation of worm gear 115, and, also can freely set the diameter dimension of lock ring 104.
(the 13rd embodiment)
Figure 15 is the longitudinal section of the driven steering device of the present invention's the 13rd embodiment.
With above-mentioned same, the driven steering device after the assembling that present embodiment at first is described is finished illustrates the assemble method of this driven steering device then.
In Steering gear booster type electric power steering gear shown in Figure 15, but the output shaft 203 of steering shaft passes through bearing 202 free rotary ground supportings in the Steering gear 201 of non-overlapped structure.
The lock ring 204 of anti-joyride device is pressed into the pars intermedia of this input shaft 203 by slip ring 205.When the driver pulls out key, the key bolt (diagram slightly) that moves in advance and retreat radially from the hole 208a of gear case 208 enter lock ring 4 hole 204a and with its fastening.Thus, input shaft 203 and steering handwheel (diagram slightly) can be remained on nonrotating state.
And, when the moment of torsion that on lock ring 204, applies more than the certain value, the relative rotation that slip ring 205 allows with respect to input shaft 203.
The cardinal extremity of torsion bar 207 is pressed into the vehicle front side that is fixed on input shaft 203.This torsion bar 207 extends in the inside of the output shaft 206 of hollow, and its front end is fixed on the end of output shaft 206 by set pin 210.
Be formed with the detection groove 211 of torque sensor mechanism in the rear view of vehicle side of output shaft 206.The sleeve 212 of torque sensor mechanism is configured in these and detects the radially outer of using groove 211.The rear view of vehicle side end of this sleeve 212 is fixed on the vehicle front side end of input shaft 203 by mode such as step up.Radially outer at sleeve 212 is provided with coil 213 and substrate etc.
And the axle drive shaft of electro-motor (diagram slightly), be that worm screw 214 ingear worm gears 215 cooperate and are installed on the output shaft 206.
Thereby the steering effort that the driver turns to steering handwheel (diagram slightly) to be produced passes to not shown wheel flutter by input shaft 203, torsion bar 207, output shaft 206 and rack and pinion type steering hardware.And the rotational force of electro-motor is delivered to output shaft 206 by this worm screw 214 and worm gear 215, by rotational force and the hand of rotation of suitably controlling electro-motor, applies the suitable auxiliary torque that turns on output shaft 206.
In addition, label 216 is sealing elements, in the present embodiment, be used to prevent intrusion torque sensor mechanisms such as dust, dust etc. is difficult to enter torque sensor mechanism when nearer between torque sensor mechanism and the sealing element 216 (between do not have other parts), and sealing element 216 is arranged between lock ring 204 and the torque sensor mechanism in the present embodiment.And, when sealing element 216 is fixed on the gear case 208 and slides on input shaft 203, consider from the relation of the mounting direction of input shaft 203 described later, make the internal diameter of sealing element 216 bigger, and make the axle external diameter of the input shaft 203 that slides with sealing element 216 also big than sleeve 212 than sleeve 212.And when sealing element 216 is fixed on the input shaft 203 and when gear case 208 sides are slided, the axle external diameter of the installation portion of sealing element 216 can be littler than the diameter of sleeve 212.
And label 217 is the bolts that are used for fixing Steering gear 201, and label 218 is to be used for fixing to cover 209 bolt.
Figure 16 is the assembly drawing of driven steering device shown in Figure 15, is the longitudinal section of input shaft side.
Figure 17 is the assembly drawing of driven steering device shown in Figure 15, is the longitudinal section of output shaft side.
In addition, in Figure 16 and Figure 17, omit diagram and cover 209 and Steering gear 201 etc.
The following describes the assemble method of the driven steering device of the non-overlapped structure that as above constitutes.As Figure 16 and shown in Figure 17, the external diameter of lock ring 204 is bigger than the internal diameter of the coil 213 of torque sensor mechanism.
At first, as shown in figure 16,, the lock ring 204 of anti-joyride device is pressed on the input shaft 203 in advance by slip ring 205.And the cardinal extremity of torsion bar 207 is pressed into the vehicle front side that is fixed on input shaft 203 in advance.In addition, also can use the cardinal extremity of pin predetermined fixed torsion bar 207.And the rear view of vehicle side end of sleeve 212 is by the vehicle front side end of predetermined fixed at input shaft 203 such as stepping up.In addition, torsion bar 207 also can be pressed in advance and be fixed on the output shaft 206.
On the other hand, as shown in figure 17, the installation portion of not shown anti-joyride device and gear case 208 form one.Worm gear 215 cooperates in advance and is installed on the output shaft 206.
Then, as Figure 16 and shown in Figure 17, the input shaft 203 that above-mentioned lock ring 204 grades are installed is passed in the coil 213 of gear case 208 from rear view of vehicle side direction front side (the arrow A direction of Figure 15).On the other hand, make output shaft 206 that above-mentioned worm gear 215 grades are installed from vehicle front side rearward (the arrow B direction of Figure 15) pass in the coil 213 of gear case 208.
Thus, the coil 213 of the sensor mechanism in the middle of will being positioned at is clipped in the middle, and the footpath side is assembled into one with the vehicle front side end of input shaft 203 and the rear view of vehicle side end of output shaft 206 within it.At this moment, torsion bar 207 is inserted in the axial hole of output shaft 206.
Then, will fix with pin 210 and insert and be pressed in output shaft 206 and the torsion bar 207 total holes, output shaft 206 and fixing with torsion bar 207.In addition, assembleability is good when having total hole in advance, but also can just be pressed into preceding perforate.
And, assemble Steering gears 201 and lid 209 by bolt 217,218, thereby finish the circumferential assembling of the steering shaft of EPS.Setting is installed in the bearing 209a that covers in 209, the inner ring of 209b, and it is fixing with pin 210 that it is covered, and thus, also has to stop and fix the effect of extracting with pin 210.
Like this, according to present embodiment, when even output shaft 203 and output shaft 206 have the worm gear 215 of the lock ring 204 of the rear view of vehicle side bigger than the internal diameter of the cell winding 213 that mediates and vehicle front side respectively, also can not cause the increase of number of components, can easily assemble the big lock ring 204 of ratio sensor coil 213 internal diameters.
Like this, according to the assemble method of present embodiment, can with the aluminum gear case 208 of sensor outer housing one in lock ring 204 is set.
And, as the assemble method of the big lock ring of ratio sensor internal coil diameter, on Sensor section, install in the assemble method of lock ring behind the assembling diaxon, in the aluminum gear case, lock ring to be pressed into input shaft, be by the fixing lock ring of welding, and add that to fasten be difficult.
And, as the assemble method of the big lock ring of ratio sensor internal coil diameter, compare with the assemble method that worm gear is installed behind assembling diaxon on the Sensor section, because the portion of bearing that is pressed into can be set, thereby structure can be simply compact.And, can make Sensor section and lock ring close.
And, compare with patent documentation 1～3, will not be divided into a plurality of parts by input shaft, can reduce manufacturing cost.
(the 1st variation of the 13rd embodiment)
Figure 18 is the longitudinal section of input shaft of the 1st variation of the 13rd embodiment.The basic structure of this variation is identical with above-mentioned the 13rd embodiment, only describes with regard to difference.
In this variation, also can with the front side shaft 203a of torsion bar 207 combinations on the lock ring 204 bigger than coil 213 internal diameters is set, and, can lock ring 204 be set near cell winding 213.In addition, also can on the side shaft 203b of back, lock ring 204 and locking groove be set certainly.
(the 2nd variation of the 13rd embodiment)
Figure 19 is the longitudinal section of input shaft of the 2nd variation of the 13rd embodiment.The basic structure of this variation is identical with above-mentioned the 13rd embodiment, only describes with regard to difference.
In this variation, can with the front side shaft 203a of torsion bar 207 combinations on the lock ring 204 bigger than coil 213 internal diameters is set, and, can lock ring 204 be set near cell winding 213.In addition, also can on the side shaft 203b of back, lock ring 204 and locking groove be set certainly.
(the 3rd variation of the 13rd embodiment)
Figure 20 is the longitudinal section of input shaft of the 3rd variation of the 13rd embodiment.The basic structure of this variation is identical with above-mentioned the 13rd embodiment, only describes with regard to difference.
In this variation, can with the front side shaft 203a of torsion bar 207 combinations on the lock ring 204 bigger than coil 213 internal diameters is set, and, can lock ring 204 be set near cell winding 213.In addition, also can on the side shaft 203b of back, lock ring 204 and locking groove be set certainly.
(the 14th embodiment)
Figure 21 is the longitudinal section of the driven steering device of the present invention's the 14th embodiment.
The basic structure of present embodiment is identical with above-mentioned the 13rd embodiment, only describes with regard to difference.
In the present embodiment, by welding with lock ring 204 predetermined fixed of anti-joyride device on input shaft 203.
When chaufeur pulls out key, from the hole 201a of Steering gear 201 radially advance and retreat mobile key bolt (diagram slightly) enter lock ring 204 hole 204a and with its fastening, thus, input shaft 203 and steering handwheel (diagram is slightly) can remain on nonrotating state.
In the present embodiment, when assembling as constituted above during the driven steering device of non-overlapped structure, the cardinal extremity of torsion bar 207 is pressed into the vehicle front side that is fixed on input shaft 203 in advance.In addition, also can use the cardinal extremity of pin predetermined fixed torsion bar 207.And the rear view of vehicle side end of sleeve 212 is by the vehicle front side end of predetermined fixed at input shaft 203 such as stepping up.In addition, torsion bar 207 also can be pressed in advance and be fixed on the output shaft 206.
On the other hand, tighten assembling nut 223, constitute pre-assembly at the output shaft 206 that is pressed into worm gear 215.At this moment, to assemble the worm screw 214 that drives from electro-motor (diagram slightly) with worm gear 215 ingear states.
With this assembly with worm gear 215 and worm screw 214 from vehicle front side rearward (arrow B direction) pass coil 213 inside of gear case 208, be assembled in the gear case 208.
The input shaft 203 that above-mentioned lock ring 204 grades are installed is passed in the coil 213 of gear case 208 from rear view of vehicle side direction front side (arrow A direction).
Thus, the coil 213 of the sensor mechanism in the middle of will being positioned at is clipped in the middle, and the footpath side is assembled into one with the vehicle front end of input shaft 203 and the rear view of vehicle end of output shaft 206 within it.At this moment, torsion bar 207 is inserted in the axial hole of output shaft 206.
Then, insert and be pressed in the total hole of output shaft 206 and torsion bar 207 with pin 210 fixing, output shaft 206 and torsion bar 207 is fixing.In addition, assembleability is good when having total hole in advance, but also can just be pressed into preceding perforate.
And, assemble Steering gears 201 by bolt 217, thereby finish the circumferential assembling of the steering shaft of EPS.
Like this, in the present embodiment, when even output shaft 203 and output shaft 206 have the worm gear 215 of the lock ring 204 of the rear view of vehicle side bigger than the internal diameter of the cell winding 213 that mediates and vehicle front side respectively, can not cause number of components to increase yet, can easily assemble the big lock ring 204 of ratio sensor coil 213 internal diameters.
And in the present embodiment, assembly and total assembly with lid 209 sides of worm gear 215 and worm screw 214 are the difference stack-mounteds.
That is, for assembling worm gear 215 and worm screw 214, precision is essential.When the backlash of gear is excessive, when Vehicular vibration, become noise and produce the source, and, when the backlash tension, the running meeting variation of gear probably.Therefore, by from possible gear, selecting the combination of assembling worm gear 215 and worm screw 214.In order to estimate this gear meshing situation, investigate the action moment of torsion of output shaft 206 and worm screw 214, but method by present embodiment, can in the assembly of lid 209 sides, investigate the action moment of torsion with worm gear 215 and worm screw 214, compare with in total assembly, investigate, can investigate few gear mesh situation that rubs clearly.
(the 15th embodiment)
Figure 22 A is the longitudinal section of the steering hardware of the present invention's the 15th embodiment, and Figure 22 B is the cutaway view along the b-b line of Figure 22 A.
The basic structure of present embodiment is identical with above-mentioned the 13rd embodiment, only describes with regard to difference.
Present embodiment is not a driven steering device, but has the steering hardware of steering torque sensor mechanism.
In the present embodiment, input shaft 203 is by bearing 232a, but the 232b free rotary ground supporting in casing 230, and output shaft 206 by bearing 232 free rotary ground supportings in casing 230.The cardinal extremity of torsion bar 207 is pressed into output shaft 206 sides, and is fixed on the input shaft 203 with pin 210 by fixing.
And the yoke 231a of universal coupling 231 is connected with the vehicle front side one of output shaft 206.
The lock ring 204 of anti-joyride device is pressed on the pars intermedia of input shaft 203 by slip ring 205.When chaufeur pulls out key, the key bolt (diagram slightly) that moves in advance and retreat radially from the hole 230a of casing 230 enter lock ring 204 groove 204b and with its fastening, thus, input shaft 203 and steering handwheel (diagram is slightly) can remain on nonrotating state.In addition, 8 positions the groove 204b that cooperates with key bolt is set.
The assemble method of the steering hardware that as above constitutes below is described.The external diameter of lock ring 204 is bigger than the internal diameter of the coil 213 of torque sensor mechanism, and the yoke 231a of universal coupling 231 also the internal diameter than coil 213 is big.
At first, by slip ring 205, the lock ring 204 of anti-joyride device is pressed on the input shaft 203 in advance.
On the other hand, the installation portion of not shown anti-joyride device and casing 230 form one.Torsion bar 207 is pressed on the output shaft 206.In addition, also can in advance torsion bar 207 be fixed on the output shaft 206 with pin.And sleeve 212 is by the rear view of vehicle side end of predetermined fixed such as fastening at output shaft 206.In addition, torsion bar 207 also can be pressed in advance and be fixed on the input shaft 203.
Then, the input shaft 203 that above-mentioned lock ring 204 grades are installed is passed in the coil 213 of casing 230 from rear view of vehicle side direction front side (arrow A direction).On the other hand, with output shaft 206 that above-mentioned universal coupling 231 grades are installed from vehicle front side rearward (arrow B direction) pass the coil 213 of casing 230.
Thus, the coil 213 of the sensor mechanism in the middle of will being positioned at is clipped in the middle, and the footpath side is assembled into one with the vehicle front end of input shaft 203 and the rear view of vehicle end of output shaft 206 within it.At this moment, torsion bar 207 is inserted in the axial hole of input shaft 203.
Then, insert and be pressed in the total hole of input shaft 203 and torsion bar 207 with pin 210 fixing, input shaft 203 and torsion bar 207 is fixing.In addition, assembleability is good when having total hole in advance, but also can just be pressed into preceding perforate.
And by bearing 232b is assembled in the casing 230, by assembling nut 223, fixedly input shaft 203, and finish the circumferential assembling of steering shaft.
Like this, according to present embodiment, when even output shaft 203 and output shaft 206 have the universal coupling 231 of the lock ring 204 of the rear view of vehicle side bigger than the internal diameter of the cell winding 213 of centre and vehicle front side respectively, can not cause number of components to increase yet, can easily assemble the big lock ring 204 of ratio sensor coil 213 internal diameters.
In addition, the invention is not restricted to above-mentioned embodiment, multiple variation can be arranged.
Though in detail and with reference to specific embodiment the present invention has been described, those skilled in the art can not deviate from the spirit and scope of the present invention and make various changes and modifications.
The application introduces its content with for referencial use based on following application:
The Japanese patent application of application on June 17th, 2004 (special hope 2004-180202),
The Japanese patent application of application on June 17th, 2004 (special hope 2004-180208),
The Japanese patent application of application on June 18th, 2004 (special hope 2004-181755).
Claims (28)
1. steering device for motor vehicle, it comprises:
Sensor mechanism with cell winding; With
Have lock ring and be configured in the anti-joyride device of the rear view of vehicle side of described sensor mechanism,
The external diameter of the lock ring of described anti-joyride device is greater than the cell winding internal diameter of described sensor mechanism,
Vehicle front side in described sensor mechanism has than the big large-diameter portion spare of described cell winding internal diameter,
It is characterized in that, after the steering shaft that will be fixed with described large-diameter portion spare passes described cell winding, described lock ring is assembled on the described steering shaft.
2. steering device for motor vehicle as claimed in claim 1 is characterized in that, described steering shaft has the anchor clamps installation portion of adjusting device, and described anchor clamps use when described lock ring is installed.
3. steering device for motor vehicle as claimed in claim 2 is characterized in that, the vary in diameter portion that described anchor clamps installation portion is formed on the described steering shaft and diameter dimension is changed.
4. steering device for motor vehicle as claimed in claim 2 is characterized in that, the groove that described anchor clamps installation portion is arranged on the described steering shaft and is formed by annular flange portion.
5. steering device for motor vehicle as claimed in claim 2 is characterized in that, described anchor clamps installation portion is the hole that forms on described steering shaft.
6. the assemble method of steering device for motor vehicle is used to assemble steering device for motor vehicle, and described steering device for motor vehicle comprises:
Sensor mechanism with cell winding; With
Have lock ring and be configured in the anti-joyride device of the rear view of vehicle side of described sensor mechanism,
The external diameter of the lock ring of described anti-joyride device is greater than the cell winding internal diameter of described sensor mechanism,
Vehicle front side in described sensor mechanism has the big large-diameter portion spare of ratio sensor internal coil diameter,
It is characterized in that,
Described large-diameter portion spare is fixed on the steering shaft,
Described steering shaft is passed described cell winding,
Described lock ring is assembled on the described steering shaft.
7. the assemble method of steering device for motor vehicle as claimed in claim 6 is characterized in that,
Described steering shaft has the anchor clamps installation portion of adjusting device, and described anchor clamps use when described lock ring is installed,
When described lock ring is installed, bear axial load by this anchor clamps installation portion.
8. the assemble method of steering device for motor vehicle as claimed in claim 7 is characterized in that, the vary in diameter portion that described anchor clamps installation portion is arranged on the described steering shaft and diameter dimension is changed.
9. the assemble method of steering device for motor vehicle as claimed in claim 7 is characterized in that, the groove that described anchor clamps installation portion is arranged on the described steering shaft and is formed by annular flange portion.
10. the assemble method of steering device for motor vehicle as claimed in claim 7 is characterized in that, described anchor clamps installation portion is the hole that forms on described steering shaft.
11. driven steering device, wherein,
Have the driven gear of retarder in the vehicle front side of sensor mechanism,
Have the lock ring of anti-joyride device in the rear view of vehicle side of described sensor mechanism,
The external diameter of described driven gear and described lock ring is bigger than the cell winding internal diameter of described sensor mechanism,
Corresponding to the steering torque that is applied on the steering handwheel, produce the assisted diversion moment of torsion from electro-motor, slow down by described retarder, described assisted diversion moment of torsion is delivered on the output shaft of steering hardware,
It is characterized in that after the steering shaft that will be fixed with described lock ring passed described cell winding, described driven gear was assembled on the described steering shaft.
12. driven steering device as claimed in claim 11, it is characterized in that, " α " is the distance between the vehicle front end of the rear view of vehicle end of casing and lock ring, and " β " is that the anchor clamps of the vehicle front end of casing and output shaft are with the distance between the vehicle front side of groove
Be set at " α＞β ".
13., it is characterized in that described steering shaft has the anchor clamps installation portion of adjusting device as claim 11 or 12 described driven steering devices, described anchor clamps use when described driven gear is installed.
14. driven steering device as claimed in claim 13 is characterized in that, described anchor clamps installation portion is that the output shaft that forms on described steering shaft is fixedly used screw thread.
15. driven steering device as claimed in claim 13 is characterized in that, the vary in diameter portion that described anchor clamps installation portion is arranged on the described steering shaft and diameter dimension is changed.
16. driven steering device as claimed in claim 13 is characterized in that, described anchor clamps installation portion is the part planar portions that forms on described steering shaft.
17. the assemble method of driven steering device is used to assemble driven steering device, in the described driven steering device,
Have the driven gear of retarder in the vehicle front side of sensor mechanism,
Have the lock ring of anti-joyride device in the rear view of vehicle side of described sensor mechanism,
The external diameter of described driven gear and described lock ring is bigger than the cell winding internal diameter of described sensor mechanism,
Corresponding to the steering torque that is applied on the steering handwheel, produce the assisted diversion moment of torsion from electro-motor, slow down by described retarder, described assisted diversion moment of torsion is delivered on the output shaft of steering hardware,
It is characterized in that,
Described lock ring is fixed on the steering shaft,
Described steering shaft is passed described cell winding,
Described driven gear is assembled on the described steering shaft.
18. the assemble method of driven steering device as claimed in claim 17 is characterized in that,
" α " is the distance between the vehicle front end of the rear view of vehicle end of casing and lock ring, " β " be the anchor clamps of the vehicle front end of casing and output shaft with the distance between the vehicle front side of groove,
Be set at " α＞β ".
19. the assemble method as claim 17 or 18 described driven steering devices is characterized in that, described steering shaft has the anchor clamps installation portion of adjusting device, and described anchor clamps use when described driven gear is installed.
20. the assemble method of driven steering device as claimed in claim 19 is characterized in that, described anchor clamps installation portion is that the output shaft that forms on described steering shaft is fixedly used screw thread.
21. the assemble method of driven steering device as claimed in claim 19 is characterized in that, the vary in diameter portion that described anchor clamps installation portion is arranged on the described steering shaft and diameter dimension is changed.
22. the assemble method of driven steering device as claimed in claim 19 is characterized in that, described anchor clamps installation portion is the part planar portions that forms on described steering shaft.
23. steering device for motor vehicle comprises:
In the rear view of vehicle side of sensor mechanism and be assembled with the input shaft of the lock ring of the anti-joyride device bigger in advance than the cell winding internal diameter of this sensor mechanism; With
In the vehicle front side of described sensor mechanism and be assembled with the output shaft of the big large-diameter portion spare of ratio sensor internal coil diameter in advance,
It is characterized in that,
The cell winding that will be positioned at the middle sensor mechanism of described input shaft and described output shaft is clipped in the middle, and at the internal side diameter of described cell winding, described input shaft and described output shaft is assembled into one, then,
Pass predetermined fixed torsion bar on the side in described diaxon with fixing with pin, this torsion bar is assembled on the opposing party in the described diaxon.
24. steering device for motor vehicle as claimed in claim 23 is characterized in that, the side's in described diaxon fixedly is pressed in advance.
25. steering device for motor vehicle as claimed in claim 23 is characterized in that, the side's in described diaxon fixedly is that pin is fixed in advance.
26. the assemble method of steering device for motor vehicle is used to assemble steering device for motor vehicle, described steering device for motor vehicle comprises:
In the rear view of vehicle side of sensor mechanism and be assembled with the input shaft of the lock ring of the anti-joyride device bigger in advance than the cell winding internal diameter of this sensor mechanism; With
In the vehicle front side of described sensor mechanism and be assembled with the output shaft of the big large-diameter portion spare of ratio sensor internal coil diameter in advance,
It is characterized in that,
The cell winding that will be positioned at the middle sensor mechanism of described input shaft and described output shaft is clipped in the middle, and at the internal side diameter of described cell winding, described input shaft and described output shaft is assembled into one, then,
Pass predetermined fixed torsion bar among the side in described diaxon with fixing with pin, this torsion bar is assembled on the opposing party in the described diaxon.
27. the assemble method of steering device for motor vehicle as claimed in claim 26 is characterized in that, the side's in described diaxon fixedly is pressed in advance.
28. the assemble method of steering device for motor vehicle as claimed in claim 26 is characterized in that, the side's in described diaxon fixedly is that pin is fixed in advance.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP180202/2004 | 2004-06-17 | ||
| JP2004180202A JP2006001423A (en) | 2004-06-17 | 2004-06-17 | Vehicular steering device, and its assembling method |
| JP180208/2004 | 2004-06-17 | ||
| JP181755/2004 | 2004-06-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1968846A true CN1968846A (en) | 2007-05-23 |
Family
ID=35770181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005800197926A Pending CN1968846A (en) | 2004-06-17 | 2005-06-17 | Steering device for vehicle and method of assembling the same |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2006001423A (en) |
| CN (1) | CN1968846A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102770675A (en) * | 2009-12-15 | 2012-11-07 | Zf操作系统有限公司 | Steering gear having a fixed bearing and a floating bearing for a screw pinion |
| CN108909825A (en) * | 2018-07-19 | 2018-11-30 | 安徽江淮汽车集团股份有限公司 | A kind of steering column |
| CN111941062A (en) * | 2020-07-15 | 2020-11-17 | 和氏工业技术股份有限公司 | Assembly process of electric power steering gear assembly |
| CN112207561A (en) * | 2020-10-22 | 2021-01-12 | 上海威肯机电工程有限公司 | Steering system assembling process |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5104707B2 (en) * | 2008-10-10 | 2012-12-19 | 日本精工株式会社 | Steering device and manufacturing method thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10119796A (en) * | 1996-10-24 | 1998-05-12 | Honda Motor Co Ltd | Motor-driven power steering |
| JP4362792B2 (en) * | 1999-05-10 | 2009-11-11 | 日本精工株式会社 | Electric power steering device |
| JP2003072566A (en) * | 2001-08-31 | 2003-03-12 | Koyo Seiko Co Ltd | Electric power steering device with antitheft function and its manufacturing method |
-
2004
- 2004-06-17 JP JP2004180202A patent/JP2006001423A/en active Pending
-
2005
- 2005-06-17 CN CNA2005800197926A patent/CN1968846A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102770675A (en) * | 2009-12-15 | 2012-11-07 | Zf操作系统有限公司 | Steering gear having a fixed bearing and a floating bearing for a screw pinion |
| CN102770675B (en) * | 2009-12-15 | 2015-09-30 | 罗伯特博世汽车转向有限公司 | There is the steering equipment of rigid bearing for spiral driver pinion and floating bearing |
| CN108909825A (en) * | 2018-07-19 | 2018-11-30 | 安徽江淮汽车集团股份有限公司 | A kind of steering column |
| CN111941062A (en) * | 2020-07-15 | 2020-11-17 | 和氏工业技术股份有限公司 | Assembly process of electric power steering gear assembly |
| CN111941062B (en) * | 2020-07-15 | 2022-08-12 | 和氏工业技术股份有限公司 | Assembly process of electric power steering gear assembly |
| CN112207561A (en) * | 2020-10-22 | 2021-01-12 | 上海威肯机电工程有限公司 | Steering system assembling process |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006001423A (en) | 2006-01-05 |
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