CN103909966B - Transfer and keeper - Google Patents
Transfer and keeper Download PDFInfo
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- CN103909966B CN103909966B CN201310445630.5A CN201310445630A CN103909966B CN 103909966 B CN103909966 B CN 103909966B CN 201310445630 A CN201310445630 A CN 201310445630A CN 103909966 B CN103909966 B CN 103909966B
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- Prior art keywords
- rotating part
- location division
- keeper
- central shaft
- guide portion
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Abstract
It is contemplated that improving the rigidity of the aligning members for the rotating part for implementing multiple interconnections and being connected to multiple rotating parts in predetermined location relationship.Keeper includes：Linking part, the linking part links in the state of position with steering spindle specifying steering spindle in the circumferential；And guide portion, the guide portion is fixed on the linking part, the base end part of the neighbouring guide portion is formed as with big width with the central shaft of steering spindle, and the leading section of the guide portion away from central shaft is formed as with small width, the location division is in the prominent radially outward of first rotating part and the steering spindle and universal joint are positioned by being placed in the slit of universal joint.
Description
Technical field
The present invention relates to a kind of transfer and a kind of keeper.
Background technology
A kind of transfer of vehicle etc. is provided with：Input unit, it receives the steering force for coming the turning part of steering wheel freely
Input；And output section, it receives the transmission of steering force and transmits steering force to the turning part of such as wheel.Here, turning to
In device, the input unit and the output section must be connected in the following fashion, for example, the straight position of rotary input and
The straight position of rotation output section overlaps.
Patent document 1 (JP-A-2004-136891) discloses a kind of mounting structure for turning to column joint, the mounting structure
The sawtooth portion combined using the steering spindle with being stretched out from steering gear housing turns to column joint to engage, wherein cap be used for relative to turn
The setting angle position for turning to column joint is directed to axle, and the cap includes：Interlocking portion, by the sawtooth portion for being incorporated into steering spindle
Sawtooth portion engage the interlocking portion；Insertion section, it is inserted into the projecting end of steering spindle；And straight position guide portion, its
It is connected with the straight position alignment portion for turning to column joint.
The content of the invention
In the presence of such situation：Aligning members are used for the straight position of the straight position and rotation output section according to rotary input
The mode that coincides with one another is put to connect input unit and output section.However, for example install task process in, if aligning members and its
He contacts and deformed part, then deviation may occur for the predetermined location relationship presence between input unit and output section
Risk.
The purpose of the present invention is：Improve the rigidity of the aligning members for the rotating part alignment for implementing multiple interconnections, Yi Ji
The multiple rotating part of connection in predetermined location relationship.
An aspect of of the present present invention is directed to a kind of transfer, including：
The first rotating part that can be rotated；
The second rotating part that can be rotated, second rotating part is configured with for fixed relative to first rotating part
The cutting portion of position and it is connected to first rotating part to cover the periphery of first rotating part；And
Keeper, the keeper is configured to implement first rotating part and second rotating part determining in the circumferential
Position,
Wherein, the keeper includes：
Linking part, the linking part is configured in the state of the position of first rotating part in the circumferential is specified with being somebody's turn to do
First rotating part links；And
Location division, the location division is configured to be fixed on the linking part, and the central shaft with first rotating part is neighbouring
The base end part of the location division is formed as with big width, and the leading section of the location division away from the central shaft is formed as
Small width, the location division is protruded radially outward first rotating part, and by being placed in the cutting portion
To position first rotating part and second rotating part.
Here, the location division, which can have, bores oblique shape, and the width of the oblique shape of the cone gradually becomes away from the central shaft
It is small.
In addition, the location division can have rib, the base of the neighbouring rib with the central shaft of first rotating part
End is formed as with big width, and the leading section of the rib away from the central shaft is formed as with small width.
In addition, another aspect of the present invention is directed to a kind of keeper, the keeper implements the first rotating part that can be rotated
With the positioning of the second rotating part that can be rotated in the circumferential, second rotating part be configured to connect to first rotating part from
And the periphery of first rotating part is covered, the keeper includes：Linking part, the linking part specifies first rotating part to exist
Position in circumference and with junction configuration can be connected with first rotating part；And location division, the location division is fixed on
The linking part, when on first rotating part, neighbouring location division with the central shaft of first rotating part
Base end part be formed as with big width, and the leading section of the location division away from the central shaft is formed as with small width
Degree, the location division is protruded radially outward first rotating part.
Using any one in above-mentioned construction, the aligning members for the rotating part alignment for implementing multiple interconnections are improved
Rigidity, and the multiple rotating part can be with predetermined position relationship connection.
Brief description of the drawings
Fig. 1 diagram is the schematic diagram for showing the electric drive power steering gear on the embodiment of the present invention；
Fig. 2 is to show the profile inside the steering box of the electric drive power steering gear；
Fig. 3 A and 3B are the diagram for describing the coupling part between universal joint and steering spindle；
Fig. 4 A and 4B are the overall schematic of the keeper according to the present embodiment；
Fig. 5 A and 5B are for describing the diagram that the shape of guide portion is set；
Fig. 6 is the diagram for describing the keeper according to the first modification example；And
Fig. 7 is the diagram for describing the keeper according to the second modification example.
Embodiment
Embodiments of the invention are described in detail with reference to the accompanying drawings.
Fig. 1 diagram is the schematic diagram for showing the electric drive power steering gear 1 on the present embodiment.
Fig. 2 is to show the profile inside the steering box of the electric drive power steering gear 1.
It is to be used to change according to the electric drive power steering gear 1 of the present embodiment (may be simply referred to as below " transfer 1 ")
The transfer of vehicle traveling direction, and in the present embodiment, describe the knot that a kind of transfer is applied to automobile
It is fit.Transfer 1 on the present embodiment is so-called little gear booster type device.
Transfer 1 includes axis of a cylinder 11, its wheel disk shape for being arranged on to be operated by driver in the way of integration
On steering wheel (handle), and steering spindle 13, it is a reality of the first rotating part that axis of a cylinder 11 is attached to via universal joint 12
Example, the universal joint 12 is an example of the second rotating part.The rotation of steering spindle 13 and steering wheel is mutually coordinated and rotated.
In addition, the transfer 1 includes the pull bar 14A for being attached to the near front wheel and off-front wheel as scroll wheel respectively,
14B, and it is attached to pull bar 14A, 14B rack shaft 15.In addition, transfer 1 includes pinion shaft 16, it is with forming in tooth
Rack tooth on bar axle 15 constitutes rack and pinion mechanism together (see Fig. 2).
As shown in Fig. 2 transfer 1 has the gear-box 17 for accommodating pinion shaft 16.The pinion shaft is via in tooth
Torque rod 18 in roller box 17 links with one heart with above-mentioned steering spindle 13.
Pinion shaft 16 is rotatably supported in gear-box 17 with steering spindle 13.Gear-box 17 is fixed to for example
The part of the truck main body frame of automobile.Pinion shaft 16 is rotatably supported via bearing respectively with steering spindle 13.
In addition, the transfer 1 includes being fixed to the electric drive motor 31 of gear-box 17 and is fixed to small tooth
The worm gear 33 of wheel shaft 16.The worm screw 32 for being linked to the output shaft of electric drive motor 31 engages with worm gear 33, and electric drive motor
31 revolving force is slowed down by worm gear 33 and is passed to pinion shaft 16.Three-phase brushless motor can be provided as electric drive electricity
The example of machine 31.
In addition, as shown in Fig. 2 the transfer 1 includes torque sensing system 100, it is based on steering spindle 13 and small tooth
Relative angle between wheel shaft 16, in other words, the torsional capacity for being based on torque rod 18 determine the steering torque of steering wheel.
In addition, transfer 1 includes electric drive control unit (ECU) 200, it controls the operation of electric drive motor 31.
The ECU 200 includes：Relative angle computing unit 210, it is based on from the CPU's for implementing various calculation procedures
Output valve calculates steering spindle 13 and the relative rotation angle of pinion shaft 16；ROM, it is stored by CPU programs performed and various
Data etc.；And RAM, it is used as CPU etc. working storage.
In the transfer 1 constituted as described above, in view of the steering torque being applied on steering wheel is with steering spindle 13
Situation about occurring with the form of the relative rotation angle of pinion shaft 16, torque sensing system 100 is based on steering spindle 13 and small tooth
The relative rotation angle of wheel shaft 16 determines steering torque.Steering spindle 13 is in other words, it is determined relative with pinion shaft 16
The anglec of rotation, and ECU 200 determines operation moment of torsion and based on identified turn based on the output valve of torque detection apparatus 100
To the driving of direct torque electric drive electricity 31.
As the torque produced by electric drive motor 31 pinion shaft 16 is delivered to via worm screw 32 and worm gear 33.Therefore, by
Torque auxiliary produced by electric drive motor 31 is applied to the steering force on steering wheel by driver.Stated differently, since rotation side
The assist torque applied to the steering torque produced by disk and by electric drive motor 31, pinion shaft 16 rotates.
Fig. 3 A and 3B are the diagram for describing the connecting portion between universal joint 12 and steering spindle 13.
Fig. 3 A are the principal part enlarged drawing of the connecting portion between universal joint 12 and steering spindle 13, and Fig. 3 B are along along Fig. 3 A
IIIb-IIIb cross section view.
Universal joint 12 has upper side connector 12a and lower side connector 12b, and the lower side connector 12b is relative to upper side connector 12a
Using transmission revolving force while free engagement angles (referring to Fig. 1).In the present embodiment, the upper side connector 12a is with one
The mode of change is arranged on the end of axis of a cylinder 11.In addition, as shown in Figure 3 B, positioning side connector 12b down by keeper 20 and inciting somebody to action
The lower side connector 12b is attached in steering spindle 13.Keeper 20 described in detail below.
As shown in Figure 3 A and Figure 3 B, the lower side connector 12b includes linking part 121 and fastening part 122.The linking part
121 include sawtooth 12A.Sawtooth 12A is constituted to be combined with the sawtooth 13A of steering spindle 13.
The fastening part 122 includes the slit 12S (referring to Fig. 3 B) of an example as cutting portion, and bolt hole
12H.The slit 12 is the groove for being formed with preset width.In addition, forming bolt hole 12H so as to interior across institute in fastening part 122
State slit 12S.Bolt 40 is kept to pass through bolt hole 12H.
As shown in Figure 3A, steering spindle 13 includes the sawtooth 13A and circumferential concave part 13B formed in sawtooth 13A.It is described recessed
Groove portion 13B has the shape that the holding bolt 40 can be embedded in.
The sawtooth 12A of universal joint 12 is combined with the sawtooth 13A of steering spindle 13.In addition, by making holding bolt 40 pass through spiral shell
Keyhole 12H and fastening bolt are so that constriction slit 12S gap, steering spindle 13 and universal joint 12 (lower side connector 12b) are attached at
Together.
Here, it is necessary to make steering spindle 13 and universal joint 12 are not twisted in torque rod 18 in the transfer 1
The state that is accurately aligned with of the straight position of steering spindle 13 and the straight position of universal joint 12 of intermediateness link, wherein just
It is in an intermediate position to disk.Therefore, using by the keeper 20 of steering spindle 13 and the setting angle position alignment of universal joint 12, connect
Connect the transfer 1 according to the present embodiment.
Fig. 4 A and 4B are the overall schematic of the keeper 20 according to the present embodiment.
Fig. 4 A are the overall perspective of the keeper 20, and Fig. 4 B are the profile along Fig. 4 A IVb-IVb.
The keeper 20 is the part for the positioning for being attached to steering spindle 13 and implementing steering spindle 13 and universal joint 12.Such as Fig. 4 A
Shown, the keeper 20 includes installation portion 21, and attachment part 22 is formed as that installation portion 21 and attachment part 22 are connected to and represented peace
Fill the guide portion 23 of angle position, and the sawtooth connecting portion 24 engaged with sawtooth 13A.
In the present embodiment, the installation portion 21 and the sawtooth connecting portion 24 are used as linking part.
The global shape of installation portion 21 is ring-type, and installation portion 21 is positioned at into lower end side with the state shown in Fig. 4 A.
In addition, the installation portion 21 has multiple protruding portion 21A on the inside of it (in the present embodiment in two positions).Will be through institute
The internal diameter for stating the imaginary circles on multiple protruding portion 21A summit is set to be slightly greater than the external diameter of steering spindle 13.When the keeper 20
During in installment state, installation portion 21 is disposed around the position of the periphery of steering spindle 13.
The global shape of attachment part 22 is ring-type, and the attachment part 22 is positioned at upper end in a situation shown in fig. 4 a
Side.In addition, attachment part 22 has multiple protruding portion 22A on the inside of it (in the present embodiment in three positions).Will be through institute
The internal diameter for stating the imaginary circles on multiple protruding portion 22A summit is set to be slightly greater than the external diameter of torque rod 18.In addition, by the attaching
The internal diameter in portion 22 is set smaller than the external diameter of steering spindle 13.
When the keeper 20 is in installment state, the attachment part 22 constituted by this way presents a kind of towards steering
The state of the end stretching of axle 13 and torque rod 18.The attachment part 22 determines the position of keeper 20 in the axial direction.
The location division and as an example the guide portion 23 be the part with tabular global shape.When described
When keeper 20 is arranged in steering spindle 13, the guide portion 23 is formed as protruding radially outward in steering spindle 13.This
Outside, the guide portion 23 is arranged to extend in the axial direction to connect installation portion 21 and attachment part 22.The guide portion 23 and institute
The slit 12S for stating universal joint 12 is relative, in addition, being formed with the shape that can be inserted into slit 12S (referring to Fig. 3 B).
In addition, as shown in Figure 3A, the guide portion 23 is provided with the bolt hole 23H for keeping bolt 40 to be passed through.
As shown in Figure 4 A, the guide portion 23 is formed as with the width from one side to another side, and the width is in neighbour
Base end part 23b is big (side of steering spindle 13) on nearly installation portion 21 and the side of attachment part 22, and away from installation portion 21 and attachment part
Leading section 23p on 22 distal side is small.In other words, go out as shown in Figure 4 B, the guide portion 23 is formed as perpendicular to axle
To plane in have cone oblique profile.According to base end part 23b width T1 is big and the small such modes of leading section 23p width T2
Constitute the guide portion 23.Fig. 4 B show the section through attachment part 22, but in other sections of the guide portion 23,
Width on base end part 23b sides is formed as big and is formed as small on the side of leading section 23.
Guide portion 23 described in detail below bores the setting of oblique shape.
As shown in Figure 4 A, sawtooth connecting portion 24 is formed with the base end part 23b sides in the leader 23 in the axial direction to prolong
Stretch.In the present embodiment, sawtooth connecting portion 24 is respectively formed at the upper side and lower side of the guide portion 23, so that across bolt hole
23H.Sawtooth connecting portion 24 is configured to ribbed valley 24M, is formed as coming to a point (side of steering spindle 13) towards base end side.In addition, institute
The ribbed valley 24M for stating sawtooth connecting portion 24 is set to and engaged with a sawtooth 13A groove (valley).
When the keeper 20 is arranged on steering spindle 13, the sawtooth connecting portion 24 and sawtooth constituted by this way
13A connections.Sawtooth connecting portion 24 determines the angle position of keeper 20 relative to steering spindle 13 in the circumferential.
The keeper 20 constituted as described above is installed, so as to be presented predetermined relative to steering spindle 13 (sawtooth 13A)
Angle position.When the slit 12S being arranged in universal joint 12 is aligned with the guide portion 23, the sawtooth of universal joint 12 is guided
12A is combined with the sawtooth formed with the sawtooth 13A of steering spindle 13, while adjusting universal joint 12 in straight position.Therefore, with ten thousand
The keeper 20 is installed to the straight position of section 12 and the state of the straight position alignment of steering spindle 13.
Implement to position as described above by the guide portion 23.Thus, for example in the fabrication process, pacifying in steering spindle 13
Fill keeper 20 task when or moving member task when, if miscellaneous part is contacted and the guide portion 23 with guide portion 23
Deformation is damaged, then there is a possibility that deviation in the positioning of setting angle.Here, if in order to improve guide portion 23
Rigidity and the width for simply increasing guide portion 23, then due to for example described keeper 20 no longer with various universal joints 12
Slit 12S width is consistent, so the versatility of keeper 20 declines.Therefore, in the keeper 20 according to the present embodiment, lead to
Crossing makes the section of guide portion 23 in oblique shape is bored, and the rigidity of the guide portion 23 is improved, so as to keep the thickness of guide portion 23
Uniformly.
Fig. 5 A and 5B are for describing the diagram that the shape of guide portion 23 is set.
Fig. 5 A show the guide portion 23 of the fundamental profile shape with rectangle, and Fig. 5 B are shown in sawtooth
There is the guide portion 23 in the state of deviation.
As shown in Figure 5A, the width of the guide portion 23 is referred to as thickness B.It can be connect to it from the central shaft of the guide portion 23
The distance for touching the part (hereinafter referred to as contact site GE) of slit 12S end (hereinafter referred to as slit ends SE) is referred to as length L.This
Outside, the slit 12S of the universal joint 12 gap is referred to as apart from W.
In the section of the guide portion 23 set as described above, by considering the scale error of sawtooth deviation and part, here
The problem of have studied the rigidity for increasing guide portion 23 while avoiding guide portion 23 from being contacted with slit 12S in installation process.
In view of scale error (thickness B ± δ b), the width of the guide portion 23 is considered as Breadth Maximum B '.In addition, examining
Consider scale error (length L ± δ 1), the length to the contact jaw of the guide portion 23 is considered as maximum length L '.In addition, examining
Consider scale error (apart from W ± δ w), slit 12S gap is considered as minimum clearance W.
Further, since in the sawtooth 13A of steering spindle 13, the sawtooth 12A of universal joint 12 and the sawtooth of the keeper 20
The maximum angle of deviation is considered as θ caused by scale error in connecting portion 24.
Here, in the present embodiment, even at the maximum angle θ of deviation, slit is not also contacted with the guide portion 23
Mode ensures clearance G as 12S.
As shown in Figure 5A, there is gap (W '/2-B '/2) between the contact jaw and slit 12S of guide portion 23.Assuming that drawing
Lead the situation that portion 23 is rotated due to foregoing sawtooth deviation, then the distance between contact jaw GE and slit ends SE will be L '
tan(θ/2)。
In this case, it is ensured that gap, as long as meeting following relation：G>(W’/2–B’/2)–L’tan(θ/2).
Therefore, if the length L ' and slit 12S of guide portion 23 width W ' are specified, then by the contact of guide portion 23
End GE width B ', which is set to, meets above-mentioned relation.In addition, making the shape of guide portion 23 by forming the side of guide portion 23
To bore oblique shape, so as to be equal to the angle of the maximum deviation angle θ relative to center line from contact jaw GE towards base end part 23b formation.
As shown in Figure 5 B, though assume sawtooth angular deviation have occurred and that maximum deviation in the case of, also in guide portion
The gap in installation process is ensure that between 23 and slit 12S.
Further, since base end part 23b sectional width is more than conventional guide portion, described draw so constituted as described above
Portion 23 is led with increased rigidity, even if therefore situation about for example being contacted in the course of the work in the guide portion and miscellaneous part
Under, also it is less likely to occur position deviation compared to conventional guide portion.
Fig. 6 is the diagram for describing the keeper 50 according to the first modification embodiment.
Next, will describe according to the first keeper 50 for changing embodiment.With with the above-mentioned said function of keeper 20
Part be labeled with identical reference, and explanations are omitted here detailed description.
As shown in fig. 6, the keeper 50 includes installation portion 21, attachment part 22 and be formed as connecting installation portion 21 and attaching
Portion 22 and the guide portion 523 for representing setting angle position.
The guide portion 523 includes the cone inclined portion 523T with cone oblique profile shape, and with rectangular cross-sectional shape
Rectangular portion 523R.In the state shown in Fig. 6, cone inclined portion 523T is respectively formed at upside, center and downside, and forms two
Rectangular portion 523R is so that center cone inclined portion 523T be clipped in the middle.As described by reference picture 5A and 5B, cone inclined portion 523T's cuts open
Face shape is so, to assume to have occurred that the maximum angle deviation of sawtooth immediately, also ensure that guide portion 523 in installation process
With the gap between slit 12S.
In this way, it is oblique without boring there is provided section in the keeper 50 according to the first modification embodiment
The position of shape.Even if there is the section of guide portion 523 position for boring oblique shape to be formed in a discontinuous manner, such as in the keeper 50
In, because the sectional width of base end part is more than the guide portion of conventional keeper, so the global stiffness of guide portion 523 is added.
By using the keeper 50 with this guide portion 523, even if for example being contacted in guide portion in task with other parts
In the case of, position deviation ratio is more difficult in conventional guide portion to be occurred.
Fig. 7 is the diagram for describing the keeper 60 according to the second modification embodiment.
Next, will describe according to the second keeper 60 for changing embodiment.With same with the above-mentioned function of keeper 20
Part be labeled with identical reference, be omitted here detailed description.
As shown in fig. 7, the keeper 60 includes installation portion 21, attachment part 22 and be formed as connecting installation portion 21 and attaching
Portion 22 and the guide portion 623 for representing setting angle position.
The guide portion 623 includes the guide main body portion 623b with rectangular cross-sectional shape and the rib with the oblique shape of cone
R.Rib R is arranged in axial multiple positions of keeper 60 (being in the present embodiment five positions).In addition, rib R distinguishes shape
Into in the front and rear surfaces in guide main body portion 623B.
According to second modification embodiment keeper 60 in, by with the link position of installation portion 21 and with dress
The link position of socket part 22 (or in its vicinity) forms multiple rib R respectively, makes connection stronger.In addition, by bolt hole 23H's
Surrounding provides three rib R, is added via the ambient intensity for the bolt hole 23H for keeping the reception load of bolt 40.
As described by reference picture 5A and 5B, by the guide portions 623 constituted of the guide main body portion 623B with rib R
Section shape is so, to assume to have occurred and that the maximum angle deviation of sawtooth immediately, also ensure that guide portion 623 in installation process
Gap between slit 12S.
Even if when using keeper 60 as constituted above, making the sectional width of base end part more due to rib R presence
Greatly, so the guide portion 623 constituted as described above adds rigidity.By providing rib R, rigidity increase, and described draw
Lead portion 623 has the rigidity higher than guide portion in conventional keeper on the whole.Even if the guide portion and miscellaneous part
Contacted for example in task, position deviation ratio is more difficult in conventional guide portion to be occurred.
In the above-described embodiments, the example that axis of a cylinder 11 and steering spindle 13 are connected by universal joint 12, but the present invention are described
It is not limited thereto.For example, axis of a cylinder 11 and steering spindle 13 can also directly be connected to each other.Even if in this case, passing through
, can be with pre-determined bit using the keeper as employed in the present embodiment in link position between axis of a cylinder 11 and steering spindle 13
Put relation connection axis of a cylinder and steering spindle.
In addition, by using so that the guide portion 23 (523,623) of the keeper 20 (50,60) is inserted into lower side joint
Mode in head 12b in the slit 12S that is formed implements the example of positioning, describes the present embodiment, but the invention is not limited in
This.For example, can also implement positioning in the way of guide portion 23 (523) only receives contact on one side.Even in so
In the case of, as described above, the rigidity by improving guide portion 23 (523,623), can realize that position deviation is non-incident
Assembly.
In addition, the example for being combined and being connected to each other by sawtooth with reference to revolving part, describes the present embodiment, but the present invention is simultaneously
It is not limited to this.For example, the link pattern in addition to by using being combined except sawtooth makes multiple revolving parts be connected to each other
In the case of, also can be with predetermined position relationship by multiple rotations by using the keeper 20 (50,60) according to the present embodiment
Turn part to be connected to each other.
In addition, illustrating above-described embodiment by using the example of electric drive power steering gear.The present invention can also be answered
Use another pattern of electric drive power steering gear, such as rack booster type.In addition, the present invention can also be used to by hydraulic pressure
Apply the power steering gear of power-assisted or do not apply the hand steering gear of power assist.
Claims (4)
1. a kind of transfer, including：
The first rotating part that can be rotated；
The second rotating part that can be rotated, second rotating part is configured with for positioning relative to first rotating part
Cutting portion, and second rotating part is connected to first rotating part so as to cover the periphery of first rotating part；And
Keeper, the keeper is configured to implement the positioning of first rotating part and second rotating part in the circumferential,
Wherein, the keeper includes：
Linking part, the linking part is configured to：In the state of the position of first rotating part in the circumferential direction is specified, with
First rotating part links；And
Location division, the location division is configured to be fixed on the linking part；Determine with neighbouring this of the central shaft of first rotating part
The base end part in position portion is formed as with big width, and the leading section of the location division away from the central shaft is formed as small width
Degree；The location division is protruded radially outward first rotating part, and is positioned by being placed in the cutting portion
First rotating part and second rotating part,
Wherein, there is gap between the contact jaw of the location division and the cutting portion,
Wherein, the gap between the contact jaw of the location division and the cutting portion with the gap close to described first rotation
The central shaft of transfer part and narrow and broadened with central shaft of the gap away from first rotating part.
2. transfer according to claim 1,
Wherein, the location division, which has, bores oblique shape, and the width of the oblique shape of the cone is tapered into away from the central shaft.
3. a kind of transfer, including：
The first rotating part that can be rotated；
The second rotating part that can be rotated, second rotating part is configured with for positioning relative to first rotating part
Cutting portion, and second rotating part is connected to first rotating part so as to cover the periphery of first rotating part；And
Keeper, the keeper is configured to implement the positioning of first rotating part and second rotating part in the circumferential,
Wherein, the keeper includes：
Linking part, the linking part is configured to：In the state of the position of first rotating part in the circumferential direction is specified, with
First rotating part links；And
Location division, the location division is configured to be fixed on the linking part；Determine with neighbouring this of the central shaft of first rotating part
The base end part in position portion is formed as with big width, and the leading section of the location division away from the central shaft is formed as small width
Degree；The location division is protruded radially outward first rotating part, and is positioned by being placed in the cutting portion
First rotating part and second rotating part,
Wherein, the location division has rib, and the base end part of the neighbouring rib is formed with the central shaft of first rotating part
Leading section for the rib with big width, and away from the central shaft is formed as with small width.
4. a kind of keeper, the keeper implements the first rotating part that can be rotated and the second rotating part that can be rotated in circumference
On positioning, second rotating part is configured to connect to first rotating part so as to cover the periphery of first rotating part,
The keeper includes：
Linking part, the linking part specifies the position of first rotating part in the circumferential, and have can be with institute for the linking part
State the first rotating part and connect junction configuration；And
The linking part is fixed in location division, the location division；When on first rotating part, with the described first rotation
The base end part of the neighbouring location division of the central shaft in portion is formed as with big width, and the location division away from the central shaft
Leading section be formed as with small width, the location division is protruded radially outward first rotating part,
Wherein, the location division has rib, and the base end part of the neighbouring rib is formed with the central shaft of first rotating part
Leading section for the rib with big width, and away from the central shaft is formed as with small width.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2012-289098 | 2012-12-28 | ||
| JP2012289098A JP6026272B2 (en) | 2012-12-28 | 2012-12-28 | Steering assist device and alignment member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103909966A CN103909966A (en) | 2014-07-09 |
| CN103909966B true CN103909966B (en) | 2017-08-01 |
Family
ID=51036048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310445630.5A Active CN103909966B (en) | 2012-12-28 | 2013-09-26 | Transfer and keeper |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP6026272B2 (en) |
| CN (1) | CN103909966B (en) |
| BR (1) | BR102013024834A8 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014214159B4 (en) * | 2014-07-21 | 2021-02-18 | Volkswagen Aktiengesellschaft | Centering device, steering gear with a steering gear input shaft and method for assembling steering shafts on steering gear input shafts |
| KR101627311B1 (en) * | 2015-01-12 | 2016-06-13 | 주식회사 만도 | Worm wheel of reduction gear for use in an electric power steering |
| JP7119580B2 (en) * | 2018-05-28 | 2022-08-17 | 株式会社ジェイテクト | Shaft connection structure |
| JP2022143667A (en) * | 2021-03-18 | 2022-10-03 | 本田技研工業株式会社 | Steering device for vehicles and assembling method of the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1407182A (en) * | 1973-03-28 | 1975-09-24 | Gen Motors Corp | Safety steering arrangements for motor vehicles |
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| US5253949A (en) * | 1992-07-21 | 1993-10-19 | Trw Inc. | Fail-safe universal joint connection |
| JP2003335246A (en) * | 2002-05-20 | 2003-11-25 | Unisia Jkc Steering System Co Ltd | Steering device |
| JP3960975B2 (en) * | 2004-02-10 | 2007-08-15 | 株式会社ショーワ | Steering column joint mounting structure |
| JP2009113689A (en) * | 2007-11-07 | 2009-05-28 | Toyota Motor Corp | Steering device |
| JP2010014834A (en) * | 2008-07-02 | 2010-01-21 | Ricoh Co Ltd | Cleaning device and image forming apparatus |
| JP2010048772A (en) * | 2008-08-25 | 2010-03-04 | Ngk Spark Plug Co Ltd | Liquid state detection sensor |
| JP5217861B2 (en) * | 2008-10-01 | 2013-06-19 | 株式会社ジェイテクト | Connecting structure and steering device |
| JP5318712B2 (en) * | 2009-09-11 | 2013-10-16 | 矢崎総業株式会社 | Arm feeding structure |
| JP5163683B2 (en) * | 2010-04-07 | 2013-03-13 | 日本精工株式会社 | Coupling device for joint yoke and rotating shaft and method for assembling the same |
| JP5372059B2 (en) * | 2011-04-04 | 2013-12-18 | 東洋ゴム工業株式会社 | Pneumatic tire |
| JP5796410B2 (en) * | 2011-08-24 | 2015-10-21 | 株式会社ジェイテクト | Connecting structure and steering device |
-
2012
- 2012-12-28 JP JP2012289098A patent/JP6026272B2/en active Active
-
2013
- 2013-09-26 CN CN201310445630.5A patent/CN103909966B/en active Active
- 2013-09-27 BR BR102013024834A patent/BR102013024834A8/en not_active Application Discontinuation
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1407182A (en) * | 1973-03-28 | 1975-09-24 | Gen Motors Corp | Safety steering arrangements for motor vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| BR102013024834A2 (en) | 2017-08-22 |
| JP6026272B2 (en) | 2016-11-16 |
| JP2014129073A (en) | 2014-07-10 |
| CN103909966A (en) | 2014-07-09 |
| BR102013024834A8 (en) | 2022-09-06 |
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Effective date of registration: 20220126 Address after: Ibaraki Patentee after: Hitachi astemo Co.,Ltd. Address before: Saitama Prefecture, Japan Patentee before: SHOWA Corp. |