CN102785693A - Electric power steering (EPS) and automobile - Google Patents
Electric power steering (EPS) and automobile Download PDFInfo
- Publication number
- CN102785693A CN102785693A CN2011102651677A CN201110265167A CN102785693A CN 102785693 A CN102785693 A CN 102785693A CN 2011102651677 A CN2011102651677 A CN 2011102651677A CN 201110265167 A CN201110265167 A CN 201110265167A CN 102785693 A CN102785693 A CN 102785693A
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- joint face
- steering system
- erecting frame
- upper shell
- electric boosting
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Abstract
The invention discloses an EPS which comprises a steering column, a retarding mechanism, a rotation sensor, a power motor, a middle shaft, a controller and a casing. The casing comprises an upper casing and a lower mounting rack, wherein the upper casing is provided with a lower junction surface, the lower mounting rack is provided with an upper junction surface, and at least two connecting holes are arranged on each of the lower junction surface and the upper junction surface and are used for fixing the upper casing with the lower mounting rack. Due to the split design of the casing, a power assembly can rotate along the steering column during the assembling, therefore the EPS can be arranged flexibly on a whole automobile, and the layout of the automobile parts is more reasonable.
Description
Technical field
The present invention relates to automobile steering system, particularly relate to the adjustable electric boosting steering system of a kind of mounting bracket.
Background technology
Along with the development of society, automobile obtains application more and more widely as walking-replacing tool.In automotive system, steering swivel system is a vital tissue part.At present automobile steering system is divided into two big types, is respectively the manual steering system power steering system of unifying.The steering swivel system that leans on the chaufeur hand-power to handle fully is called the mechanical steering system, and the steering swivel system of handling by power is called power steering system.Power steering system can be divided into hydraulic power steering system and electric boosted power steering system again.Along with development of technology, electric boosted power steering system obtains application more and more widely.
Please refer to Fig. 1 and Fig. 2, electric boosting steering system commonly used comprises assist motor 6, torque sensor, speed reduction gearing, controller 7, steering column 4, tween drive shaft 5 etc.Wherein, torque sensor and speed reduction gearing are positioned at housing 1 inside.When electric boosting steering system was worked, torque sensor detected the torque and the direction of chaufeur steering wheel rotation, and this signal is delivered to controller 7; Controller 7 is exported suitable moment of torsion through relevant algorithm controls assist motor; After the deceleration of process speed reduction gearing increased square, power torque was delivered to tween drive shaft 5, and tween drive shaft 5 moves around tooth bar through driven wheel tooth bar mechanism; Wheel is rotated around stub, realize turning to of automobile.
Since assist motor 6, torque sensor, and speed reduction gearings etc. gather together; Housing 1 size of installing them is bigger, and when being arranged into electric boosting steering system on the car load, its periphery has the parts of a lot of other systems; Occur easily interfering, the housing of prior electric servo steering system is generally Fig. 1 and shown in Figure 2, and this dual mode is widely used; But there is certain defective in it, mainly shows:
1) a kind of housing form of electric boosting steering system can only corresponding a kind of arrangement form, in case design typification then be difficult for revising;
2) the housing oad of electric boosting steering system is bigger, and shape is also complicated, causes mould development and revise cost higher;
3) housing of electric boosting steering system only is applicable to extensive identical product production;
4) housing of electric boosting steering system is unfavorable for the optimization to the fluctuation of car load steering torque.
Summary of the invention
The technical matters that the present invention mainly solves provides a kind of electric boosting steering system, can be on automobile flexible arrangement.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of electric boosting steering system is provided; Comprise steering column, speed reduction gearing, torsion sensor, assist motor, tween drive shaft, controller and housing, said housing comprises that said housing comprises upper shell and following erecting frame; Said upper shell comprises first housing and second housing; Said second housing has annular joint face down; Said down erecting frame have with the cooresponding annular of following joint face on joint face; Have at least two connecting bores respectively on said down joint face and the last joint face, at least two connecting bores of said joint face down with said on corresponding at least two connecting bore positions of joint face, said connecting bore is used for upper shell and following erecting frame are fixed together; Said speed reduction gearing, torsion sensor, assist motor and controller are installed in said upper shell, and said tween drive shaft is installed on the said erecting frame down.
In preferred embodiment of the present invention, the connecting bore on said joint face down and the last joint face is being symmetrical distribution on joint face and the last joint face down.
In preferred embodiment of the present invention, said upper shell reaches the matching and fixing that goes up the connecting bore on the joint face with following erecting frame through bolt and following joint face and is in the same place.
In preferred embodiment of the present invention, has at least one annular gasket between on the following joint face of said upper shell and following erecting frame and the last joint face.
In preferred embodiment of the present invention, have at least one draw-in groove on the following joint face of said second housing, the last joint face of said down erecting frame has at least one and the cooresponding boss of above-mentioned draw-in groove.
In preferred embodiment of the present invention, said erecting frame down has two installation feet.
In preferred embodiment of the present invention, said two installation feet respectively have a mounting hole.
In preferred embodiment of the present invention, said erecting frame down is foundry goods or blanked part.
The invention has the beneficial effects as follows: the upper shell of electric boosting steering system of the present invention adopts the separation type design with following erecting frame, and is fixed together through connecting bore.Therefore, the power-assisted assembly can be along the rotation of axial tubing string during assembling, makes it can flexible arrangement on car load.
Description of drawings
Fig. 1 is previous electric boosting steering system housing scheme drawing;
Fig. 2 is another previous electric boosting steering system housing scheme drawing;
Fig. 3 is an electric boosting steering system scheme drawing of the present invention;
Fig. 4 is the local enlarged diagram of electric boosting steering system of the present invention;
Fig. 5 is the scheme drawing of electric boosting steering system upper shell of the present invention;
Fig. 6 is the birds-eye view of electric boosting steering system upper shell of the present invention;
Fig. 7 is the front view of electric boosting steering system upper shell of the present invention;
Fig. 8 is an erecting frame scheme drawing under the electric boosting steering system of the present invention;
Fig. 9 is the birds-eye view of erecting frame under the electric boosting steering system of the present invention;
Figure 10 is electric boosting steering system upper shell of the present invention and following erecting frame assembling scheme drawing.
The mark of each parts is following in the accompanying drawing: housing 1, upper shell 2, following erecting frame 3, steering column 4, tween drive shaft 5, assist motor 6, controller 7; Annular gasket 8, the first housings 21, the second housings 22, following joint face 23, draw-in groove 24, connecting bore 25; The face of cylinder 26, last joint face 31, boss 32, installation foot 33, mounting hole 34, connecting bore 35; First connecting bore, 251, the second connecting bores, 252, the three connecting bores, 253, the four connecting bores, 354, the five connecting bores, 355, the six connecting bores 356.
The specific embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
See also Fig. 3 and Fig. 4, the embodiment of the invention provides a kind of electric boosting steering system, and said electric boosting steering system comprises: steering column 4, speed reduction gearing, torsion sensor, assist motor 6, tween drive shaft 5, controller 7 and housing 1.Speed reduction gearing and torsion sensor are positioned at housing 1 inside, on assist motor 6 and controller 7 installings and the housing 1.Electric booster system with previous is identical here.Said housing 1 comprises upper shell 2 and following erecting frame 3.Upper shell 2 comprises that first housing 21 and second housing, 22, the second housings 22 have annular joint face 23 down.Following erecting frame 3 have with following joint face 23 cooresponding annulars on joint face 31.Have at least two connecting bores 25,35 respectively on following joint face 23 and the last joint face 31, the connecting bore 25 of said joint face down with said on corresponding on connecting bore 35 positions of joint face.Said connecting bore 25,35 is used for upper shell 2 and following erecting frame 3 are fixed together.Wherein, tween drive shaft 5 is installed on down on the erecting frame 3.
To combine an embodiment specifically to introduce the structure of housing 1 of the present invention below.Please refer to Fig. 5 ~ Fig. 9.Housing 1 comprises upper shell 2 and following erecting frame 3.Upper shell 2 comprises first housing 21 and second housing 22.First housing 21 and second housing 22 design for integral type.Speed reduction gearing, torsion sensor and power transmission member are positioned at housing 1.Second housing 22 has joint face 23, and following joint face 23 is an anchor ring, for example is provided with three connecting bores 25 on it, is respectively first connecting bore 251, second connecting bore 252 and the 3rd connecting bore 253.Three connecting bores symmetry difference on joint face 23.Another part of housing 1 is following erecting frame 3.Following erecting frame 3 is mainly used in fixedly tween drive shaft 5.Following erecting frame 3 has one and goes up joint face 31 and at least two installation feet 33.Last joint face 31 is an anchor ring, has three connecting bore 25 cooresponding connecting bores 35 with following joint face 32 on it.Three connecting bores are respectively the 4th connecting bore 351, the 5th connecting bore 352 and the 6th connecting bore 353.Can use bolt first connecting bore 251, second connecting bore 252, the 3rd connecting bore 253 and the 4th connecting bore 351, the 5th connecting bore 352 and the 6th connecting bore 353 and upper shell 2 and following erecting frame 3 are fixed together.Have mounting hole 34 on the installation foot 33 respectively, can be used for fixing tween drive shaft 5.The length of installation foot 33 can design as required again, and need not to change the structure of upper shell 2.The adjustment of installation foot 33 length can make the position of upper shell 2 move along steering column 1, has the effect of flexible arrangement.
Because upper shell 2 is separation type design-calculateds with following erecting frame 3; The following joint face 23 of upper shell 2 is an annular attachment face; Under the situation that does not change following erecting frame 3; When upper shell 2 rotates when arbitrarily angled around the axis of steering column 4, upper shell 2 is still identical with the contact surface of following mounting bracket 3.Can through the adjustment frock clamp, offer the connecting bore 25 that cooperates with following mounting bracket 3 at upper shell 2 according to the connecting bore 35 of following erecting frame 3 during design.The last joint face 31 that cooperates between following mounting bracket 3 and the upper shell 2 also is an anchor ring, and its effect is to let the connecting bore 25 can be arbitrarily angled around steering column 4 rotations, and can guarantee that upper shell 2 is general fully.When upper shell 2 rotation is arbitrarily angled, only needs to descend connecting bore 35 on the anchor ring of erecting frame 3 to readjust and get final product.Because speed reduction gearing and torsion sensor are positioned at housing 1 inside; On steering column 4, assist motor 6, tween drive shaft 5 and controller 7 installings and the housing 1; When housing 1 rotation, speed reduction gearing, torsion sensor, steering column 4, assist motor 6, tween drive shaft 5 and controller 7 just can be along with upper shell 1 rotations.So the position of upper shell 1 in automobile be flexible as required, the installation of electric boosting steering system becomes very flexibly.
Please refer to Fig. 7 ~ Fig. 9, housing 2 has a face of cylinder 26, and the face of cylinder 26 links to each other with last joint face.Through three bolted connections, have at least one draw-in groove 24 on the face of cylinder 26 of upper shell 2 simultaneously between upper shell 2 and the following erecting frame 3, the present invention is an example with two draw-in grooves.Correspondence is provided with two boss 32 on the following erecting frame 3.The quantity of boss 32 is corresponding with the quantity and the position of position and draw-in groove 24.When assembling upper shell 2 and following erecting frame 3, draw-in groove 24 cooperates with boss 32 can be used for the location, makes assembling more accurate, fast, improves efficiency of assembling.In addition, the position-limiting action that cooperated of draw-in groove 24 and boss 32 can transmit the moment of torsion between upper shell 2 and the following erecting frame 3; Under the situation that tie bolt lost efficacy; Make between upper shell 2 and the following erecting frame 3 still can closely cooperate, transfer torque makes this structure safety and reliable more.The position of draw-in groove of the present invention and boss also can exchange, and promptly offers two boss on the face of cylinder 26 of upper shell 2, offers two draw-in grooves on the following erecting frame 3.
Please refer to Figure 10, execute in the example in the present invention one, electric boosting steering system of the present invention can be realized the inching of upper shell 2 along the axis upper-lower position of steering column 4.Between upper shell 2 and following erecting frame 3, increase annular gasket 8, increase the distance between upper shell 2 and the following erecting frame 3, thus the relative position of adjustment upper shell.Like this, when small size is adjusted, only need between upper shell 2 and following erecting frame 3, to increase annular gasket 8 and get final product.So the upper shell 2 of electric boosting steering system of the present invention is regulated along the position of steering column 4 axis more easily.
The upper shell of electric boosting steering system of the present invention adopts the separation type design with following erecting frame, and is fixed together through connecting bore.Therefore; Upper shell can be along the axis rotation of steering column during assembling; And foot length is installed through changing; Upper shell is moved around along the axis of steering column, can flexible arrangement on car load thereby make upper shell and be installed in steering column on the upper shell, speed reduction gearing, torsion sensor, assist motor, controller etc.In addition, the upper shell of separation type also can be simplified mould development with following erecting frame, and upper shell can be designed to the universal product, need not die sinking again, has practiced thrift cost.
The present invention also provides a kind of automobile, and said automobile comprises above-mentioned electric boosting steering system.Said automobile comprises vehicle frame, wheel, bearing circle etc.Bearing circle comes turning to of Control of Automobile through controlling above-mentioned electric boosting steering system control wheel.Because electric boosting steering system can flexible arrangement on automobile, so the layout of said each parts of automobile can be more reasonable, the installation of electric boosting steering system on automobile also can be convenient.Therefore, adopt the auto assembly of above-mentioned electric boosting steering system simple, each component layouts is reasonable.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification sheets of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (9)
1. an electric boosting steering system comprises steering column, speed reduction gearing, torsion sensor, assist motor, tween drive shaft, controller and housing, it is characterized in that, said housing comprises upper shell and following erecting frame;
Said upper shell comprises first housing and second housing; Said second housing has annular joint face down; Said down erecting frame have with the cooresponding annular of following joint face on joint face; Have at least two connecting bores respectively on said down joint face and the last joint face, at least two connecting bores of said joint face down with said on corresponding at least two connecting bore positions of joint face, said connecting bore is used for upper shell and following erecting frame are fixed together;
Said speed reduction gearing, torsion sensor, assist motor and controller are installed in said upper shell, and said tween drive shaft is installed on the said erecting frame down.
2. electric boosting steering system according to claim 1 is characterized in that, the connecting bore on said joint face down and the last joint face is being symmetrical distribution on joint face and the last joint face down.
3. electric boosting steering system according to claim 1 is characterized in that, said upper shell reaches the matching and fixing that goes up the connecting bore on the joint face with following erecting frame through bolt and following joint face and is in the same place.
4. electric boosting steering system according to claim 1 is characterized in that, has at least one annular gasket between on the following joint face of said upper shell and following erecting frame and the last joint face.
5. electric boosting steering system according to claim 1 is characterized in that, has at least one draw-in groove on the following joint face of said second housing, and the last joint face of said down erecting frame has at least one and the cooresponding boss of above-mentioned draw-in groove.
6. electric boosting steering system according to claim 1 is characterized in that, said erecting frame down has two installation feet.
7. electric boosting steering system according to claim 6 is characterized in that, said two installation feet respectively have a mounting hole.
8. electric boosting steering system according to claim 1 is characterized in that, said erecting frame down is foundry goods or blanked part.
9. an automobile is characterized in that, comprises the arbitrary described electric boosting steering system of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102651677A CN102785693A (en) | 2011-09-08 | 2011-09-08 | Electric power steering (EPS) and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102651677A CN102785693A (en) | 2011-09-08 | 2011-09-08 | Electric power steering (EPS) and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102785693A true CN102785693A (en) | 2012-11-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102651677A Pending CN102785693A (en) | 2011-09-08 | 2011-09-08 | Electric power steering (EPS) and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102785693A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044635A (en) * | 2014-05-30 | 2014-09-17 | 重庆龙润汽车转向器有限公司 | Assembly of automobile power-assisted steering controller and mounting bracket |
| CN104908805A (en) * | 2015-06-26 | 2015-09-16 | 株洲易力达机电有限公司 | Tubular booster-type electric power steering device |
| CN112441112A (en) * | 2020-11-30 | 2021-03-05 | 奇瑞汽车股份有限公司 | Connecting mechanism for automobile power-assisted motor |
| CN113922583A (en) * | 2021-10-14 | 2022-01-11 | 安徽江淮汽车集团股份有限公司 | Energy recovery device |
Citations (6)
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|---|---|---|---|---|
| JPH03231070A (en) * | 1990-02-02 | 1991-10-15 | Mazda Motor Corp | Power steering device |
| DE4039267A1 (en) * | 1990-12-08 | 1992-06-11 | Bosch Gmbh Robert | Electric servo-steering device for road vehicle - with manual pushbutton switch allowing operation of servo-motor independent of steering wheel rotation |
| CN2645999Y (en) * | 2003-09-09 | 2004-10-06 | 重庆驰骋轻型汽车部件股份有限公司 | Electric power assisted diverter of automobile |
| CN201534564U (en) * | 2009-01-16 | 2010-07-28 | 宝安投资发展有限公司 | Electric power-assisted steering gear |
| TW201113182A (en) * | 2009-10-06 | 2011-04-16 | Automotive Res & Testing Ct | Electricity-assisted steering module |
| CN202320465U (en) * | 2011-09-08 | 2012-07-11 | 耐世特汽车系统（苏州）有限公司 | Electric power-assisted steering system and automobile |
-
2011
- 2011-09-08 CN CN2011102651677A patent/CN102785693A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03231070A (en) * | 1990-02-02 | 1991-10-15 | Mazda Motor Corp | Power steering device |
| DE4039267A1 (en) * | 1990-12-08 | 1992-06-11 | Bosch Gmbh Robert | Electric servo-steering device for road vehicle - with manual pushbutton switch allowing operation of servo-motor independent of steering wheel rotation |
| CN2645999Y (en) * | 2003-09-09 | 2004-10-06 | 重庆驰骋轻型汽车部件股份有限公司 | Electric power assisted diverter of automobile |
| CN201534564U (en) * | 2009-01-16 | 2010-07-28 | 宝安投资发展有限公司 | Electric power-assisted steering gear |
| TW201113182A (en) * | 2009-10-06 | 2011-04-16 | Automotive Res & Testing Ct | Electricity-assisted steering module |
| CN202320465U (en) * | 2011-09-08 | 2012-07-11 | 耐世特汽车系统（苏州）有限公司 | Electric power-assisted steering system and automobile |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104044635A (en) * | 2014-05-30 | 2014-09-17 | 重庆龙润汽车转向器有限公司 | Assembly of automobile power-assisted steering controller and mounting bracket |
| CN104908805A (en) * | 2015-06-26 | 2015-09-16 | 株洲易力达机电有限公司 | Tubular booster-type electric power steering device |
| CN104908805B (en) * | 2015-06-26 | 2018-09-14 | 株洲易力达机电有限公司 | A kind of tubing string booster type electric power-assisted steering device |
| CN112441112A (en) * | 2020-11-30 | 2021-03-05 | 奇瑞汽车股份有限公司 | Connecting mechanism for automobile power-assisted motor |
| CN113922583A (en) * | 2021-10-14 | 2022-01-11 | 安徽江淮汽车集团股份有限公司 | Energy recovery device |
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| PB01 | Publication | ||
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Application publication date: 20121121 |