CN103802600B - A kind of rear track can the automobile of modulation - Google Patents
A kind of rear track can the automobile of modulation Download PDFInfo
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- CN103802600B CN103802600B CN201310700891.7A CN201310700891A CN103802600B CN 103802600 B CN103802600 B CN 103802600B CN 201310700891 A CN201310700891 A CN 201310700891A CN 103802600 B CN103802600 B CN 103802600B
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- directive slide
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Abstract
The invention discloses a kind of rear track can the automobile of modulation, and aiming to provide a kind of rear track that can regulate automobile back wheel wheelspan according to actual needs can the automobile of modulation.It comprises and being arranged in automobile back wheel wheel hub, for driving the external-rotor-type wheel hub motor of trailing wheel, external-rotor-type wheel hub motor comprises the outer rotor be connected with rear wheel hub, be positioned at motor stator and the stator installation shaft of outer rotor, the bumper connecting vehicle frame of automobile back wheel and stator installation shaft, the shock strut of bumper is connected with stator installation shaft by fixed support, is provided with wheelspan modulation mechanism between shock strut and external-rotor-type wheel hub motor; Shock strut bottom is provided with annular groove, and fixed support is by the bearing support of the adapter sleeve be rotatably set in annular groove and connecting stator installation shaft and adapter sleeve; Wheelspan modulation mechanism comprises the clutch bindiny mechanism be arranged between adapter sleeve and shock strut and the clutch distance adjustor be arranged between shock strut and outer rotor.
Description
Technical field
The present invention relates to automotive field, being specifically related to a kind of rear track applying wheel hub motor technology can the automobile of modulation.
Background technology
Along with the continuous increase of automobile pollution, driving is difficult, the problem of parking difficulty becomes particularly outstanding, and thus all big enterprises release small size vehicle one after another.The wheelspan of small size vehicle is little, center of gravity is higher, and at present automobile wheel track normally immobilizes, cannot regulate; This makes vehicle run stability reduce, and especially cornering stiffnesses and High-speed running stability reduce.
Further, in order to improve because wheelspan is little, center of gravity is higher, the problem that vehicle run stability reduces is made; Some contrivers, to this has been improvement, make Wheel centre distance adjustable, improve vehicle run stability by regulating Wheel centre distance; But existing wheel tread adjusting mechanism needs to carry out significantly design for change to original body structure usually, even need to re-start to design and produce, this not only makes exploitation, fabrication cycle is long, and cost of manufacture is high, and is difficult to the stability of the body structure quality ensureing redesign.
Such as, China Patent Publication No. CN201501250U, publication date on 06 09th, 2010, the name of innovation and creation is called wheel tread adjusting mechanism for automobile, have two the scalable semiaxis being positioned at the change speed gear box left and right sides on car body to be connected with wheel respectively, flexible one end of described scalable semiaxis is fixed with bearing, be positioned at bearing seat on bearing and hydraulic actuating cylinder hinged, described hydraulic actuating cylinder is arranged on car body, and hydraulic actuating cylinder connects the Hydraulic Pump and manual multidirectional control cock that are connected with engine output shaft by the road.The wheel tread adjusting mechanism for automobile of this application case needs to carry out significantly design for change to original body structure equally, and there is exploitation equally, fabrication cycle is long, cost of manufacture is high, and is difficult to the problem of the stability ensureing the body structure quality redesigned.
On the other hand, current wheel hub motor technology is by general be applied in new forms of energy vehicle, but the wheelspan of the new forms of energy vehicle of application wheel hub motor technology immobilizes equally, cannot regulate at present.Wheel hub motor is divided into external-rotor-type and inner-rotor-type two kinds usually, and wherein external-rotor-type wheel hub motor (i.e. external rotor permanent magnet wheel hub motor) generally includes motor stator and the stator installation shaft that outer rotor is positioned at outer rotor; Outer rotor is connected with wheel hub, bumper connecting vehicle frame and stator installation shaft.
Summary of the invention
The object of the invention is to need to carry out original body structure that significantly design for change is not only developed, fabrication cycle is long to overcome prior art wheel tread adjusting mechanism, cost of manufacture is high; And be difficult to the problem of the quality stability ensureing the body structure redesigned, there is provided a kind of rear track the automobile of modulation can not only regulate automobile back wheel wheelspan according to actual needs, and effectively can solve wheel tread adjusting mechanism of the prior art and need to carry out significantly design for change to original body structure, make exploitation, fabrication cycle is long, cost of manufacture stability that is high and body structure quality is difficult to the problem of guarantee.
Technical scheme of the present invention is:
A kind of rear track can the automobile of modulation, comprise and be arranged in automobile back wheel wheel hub, for driving the external-rotor-type wheel hub motor of trailing wheel, external-rotor-type wheel hub motor comprises the outer rotor be connected with rear wheel hub, be positioned at motor stator and the stator installation shaft of outer rotor, the bumper connecting vehicle frame of automobile back wheel and stator installation shaft, the shock strut of bumper is connected with stator installation shaft by fixed support, is provided with wheelspan modulation mechanism between described shock strut and external-rotor-type wheel hub motor; Shock strut bottom is provided with annular groove, and described fixed support is by the bearing support of the adapter sleeve be rotatably set in annular groove and connecting stator installation shaft and adapter sleeve; Described wheelspan modulation mechanism comprises the clutch bindiny mechanism be arranged between adapter sleeve and shock strut and the clutch distance adjustor be arranged between shock strut and outer rotor; Described clutch bindiny mechanism comprises some circumferences and is distributed on shock strut, along axially extended first directive slide track of shock strut, some circumferences are distributed on adapter sleeve lateral surface, with the first directive slide track the second directive slide track one to one, can being set in the clutch cutting ferrule on shock strut and clutch cutting ferrule can be made along the first driver train of the first directive slide track movement along the first directive slide track movement; Described second directive slide track is axially extended along shock strut, and the number of the first directive slide track is even number; Described clutch distance adjustor comprises the driving gear be fixedly connected on outer rotor, be arranged on shock strut, along axially extended 3rd directive slide track of shock strut, can being set in the driven gear on shock strut and driven gear can be made along the second driver train of the 3rd directive slide track movement along the 3rd directive slide track movement; Described driving gear and driven gear are finishing bevel gear cuter, and driving gear and stator installation shaft are coaxially arranged, and described driven gear can move along the 3rd directive slide track, and make driven gear engage with driving gear or be separated.
This programme is by improving the automobile of application wheel hub motor technology, by setting up wheelspan modulation mechanism between shock strut and external-rotor-type wheel hub motor, the wheelspan of automobile back wheel can be regulated according to actual needs, turning or when running at high speed wheelspan become large, improve the stability that vehicle travels; Diminish passing through narrow space wheelspan, easily can pass through narrow space.This programme does not need to carry out large design for change to the original body structure of vehicle body simultaneously, significantly shortens exploitation, fabrication cycle, reduces cost of manufacture, and effectively can ensure the stability of body structure quality.
As preferably, first driver train comprises the first leading screw and nut mechanism and is fixed on the first motor on shock strut, the nut of the first leading screw and nut mechanism is arranged on clutch cutting ferrule, screw mandrel one end of first leading screw and nut mechanism is connected with the first outer rotor, and this screw mandrel parallels with shock strut axis.
As preferably, second driver train comprises the second leading screw and nut mechanism and is fixed on the second motor on shock strut, the nut of the second leading screw and nut mechanism is arranged on driven gear, screw mandrel one end of second leading screw and nut mechanism is connected with the second outer rotor, and this screw mandrel parallels with shock strut axis.
As preferably, stator installation shaft and shock strut perpendicular, described driven gear is positioned at above driving gear, and driven gear is positioned at above clutch cutting ferrule.This programme structure ensures that driving and driven gear can engage smoothly or be separated.
As preferably, on shock strut, be positioned at below driven gear and be provided with annular stop projection.
The invention has the beneficial effects as follows: can not only regulate automobile back wheel wheelspan according to actual needs, and do not need to carry out large design for change to the original body structure of vehicle body, significantly shorten exploitation, fabrication cycle, reduce cost of manufacture, and effectively can ensure the stability of body structure quality.
Accompanying drawing explanation
Fig. 1 is that a kind of rear track of the present invention can a kind of structural representation of automobile of modulation.
Fig. 2 is the partial enlarged drawing at A place in Fig. 1.
Fig. 3 a kind of rear track of the present invention can modulation automobile rear track increase after a kind of structural representation.
Fig. 4 a kind of rear track of the present invention can the rear track of automobile of modulation reduce after a kind of structural representation.
In figure: rear wheel hub 1; External-rotor-type wheel hub motor 2, outer rotor 21, motor stator 22, stator installation shaft 23; Fixed support 3, adapter sleeve 31, bearing support 32; Clutch bindiny mechanism 4, first motor 41, first leading screw and nut mechanism 42, first directive slide track 43, clutch cutting ferrule 44, second directive slide track 45; Clutch distance adjustor 5, driving gear 51, driven gear 52, the second motor 53, second leading screw and nut mechanism the 54, three directive slide track 55, bumper 6, shock strut 61, damping spring 62, mount pad 63 on bumper; Vehicle frame 7; Annular stop projection 8; Annular groove 9.
Detailed description of the invention
Below in conjunction with accompanying drawing and detailed description of the invention, the present invention is described in further detail:
As shown in Figure 1 and Figure 2, a kind of rear track can the automobile of modulation, comprises and being arranged in automobile back wheel wheel hub 1, for driving the external-rotor-type wheel hub motor 2 of trailing wheel.External-rotor-type wheel hub motor (external rotor permanent magnet wheel hub motor) comprises the outer rotor 21 be connected with rear wheel hub 1, is positioned at motor stator 22 and the stator installation shaft 23 of outer rotor.Outer rotor is connected with rear wheel hub by bolt.Stator installation shaft 23 is coaxial with automobile back wheel.Bumper 6 connecting vehicle frame 7 and the stator installation shaft 23 of automobile back wheel.Bumper 6 comprises mount pad 63 on bumper, the shock strut 61 on bumper below mount pad and the damping spring on bumper between mount pad and shock strut 62.Stator installation shaft 23 is perpendicular with shock strut 61.Shock strut 61 is connected with stator installation shaft 23 by fixed support 3.Shock strut 61 bottom is provided with annular groove 9.Fixed support 3 is by the adapter sleeve 31 be rotatably set in annular groove and connecting stator installation shaft 23 bearing support 32 with adapter sleeve 31.
Wheelspan modulation mechanism is provided with between shock strut 61 and external-rotor-type wheel hub motor 2.This wheelspan modulation mechanism comprises the clutch bindiny mechanism 4 be arranged between adapter sleeve 31 and shock strut 61 and the clutch distance adjustor 5 be arranged between shock strut 61 and outer rotor 21.Clutch bindiny mechanism 4 comprises four circumferences and is distributed on shock strut 61, along axially extended first directive slide track 43 of shock strut, four circumferences are distributed on adapter sleeve 31 lateral surface, with the first directive slide track the second directive slide track 45 one to one, can being set in the clutch cutting ferrule 44 on shock strut and clutch cutting ferrule can be made along the first driver train of the first directive slide track movement along the first directive slide track movement.Second directive slide track 45 is axially extended along shock strut 61, and the second directive slide track is positioned at below the first directive slide track.Clutch cutting ferrule 44 medial surface is provided with four and the first directive slide track guide groove one to one.First driver train comprises the first leading screw and nut mechanism 42 and is fixed on the first motor 41 on shock strut.The nut of the first leading screw and nut mechanism is arranged on clutch cutting ferrule.Screw mandrel one end of first leading screw and nut mechanism is connected with the first outer rotor, and this screw mandrel parallels with shock strut axis.
Clutch distance adjustor 5 comprises the driving gear 51 be fixedly connected on outer rotor 21, be arranged on shock strut 61, along axially extended 3rd directive slide track 55 of shock strut, can being set in the driven gear 52 on shock strut and driven gear can be made along the second driver train of the 3rd directive slide track movement along the 3rd directive slide track movement.Driving gear 51 and driven gear 52 are finishing bevel gear cuter.Driving gear 51 and stator installation shaft 23 are coaxially arranged.In the middle part of driving gear 51, circular hole is dodged in coaxial being provided with, and stator installation shaft 23 is through dodging circular hole.Driven gear medial surface is provided with the guide groove with the 3rd directive slide track adaptation.On shock strut 61, be positioned at below driven gear and be provided with annular stop projection 8.Driven gear 52 is positioned at above driving gear 51, and driven gear is positioned at above clutch cutting ferrule 44.Driven gear 51 can move along the 3rd directive slide track 55, and makes driven gear engage with driving gear or be separated.Second driver train comprises the second leading screw and nut mechanism 54 and is fixed on the second motor 53 on shock strut.The nut of the second leading screw and nut mechanism is arranged on driven gear, and screw mandrel one end of the second leading screw and nut mechanism is connected with the second outer rotor, and this screw mandrel parallels with shock strut axis.
A kind of rear track of the present invention can the automobile of modulation be by improving the automobile of application wheel hub motor technology, by setting up wheelspan modulation mechanism between shock strut and external-rotor-type wheel hub motor, make the wheelspan of automobile back wheel can carry out according to actual needs regulating (increase or reduce wheelspan); Its concrete use procedure is as follows:
In normal driving process, the second motor 53 drives the second leading screw and nut mechanism 54 to drive driven gear 52 to move along the 3rd directive slide track, and driven gear is separated with driving gear 51.Simultaneously, first motor 41 drives the first leading screw and nut mechanism 42 to drive clutch cutting ferrule 44 to move down along the first directive slide track 43, makes the part in clutch cutting ferrule be enclosed within (clutch cutting ferrule 44 coordinates with first, second directive slide track 43,45 simultaneously) on adapter sleeve 31; Thus make shock strut 61 and adapter sleeve 31 be connected as a single entity (preventing from rotating between shock strut 61 and adapter sleeve 31).
When needs vehicles rear track: the first motor 41 drives the first leading screw and nut mechanism 42 to drive clutch cutting ferrule 44 up to move along the first directive slide track 43, clutch cutting ferrule is made to move to (clutch cutting ferrule is separated with adapter sleeve) above adapter sleeve 31.Then the second motor 53 drives the second leading screw and nut mechanism 54 to drive driven gear 52 to move along the 3rd directive slide track 55, and driven gear is engaged with driving gear 51.Again then, external-rotor-type wheel hub motor 2 works, and outer rotor 21 drives driving gear 51 to rotate, thus automobile back wheel is rotated around shock strut 61.When automobile back wheel is after shock strut 61 rotates 180 degree, external-rotor-type wheel hub motor stops operating; Then, the first motor 41 drives the first leading screw and nut mechanism 42 to drive clutch cutting ferrule 44 to move down along the first directive slide track 43, makes the part in clutch cutting ferrule be enclosed within adapter sleeve 31; And then shock strut 61 and adapter sleeve 31 are connected as a single entity.
So far, realize the adjustment to automobile back wheel wheelspan, as shown in Figure 3, automobile back wheel turns to outside shock strut around shock strut 61, thus increases automobile back wheel wheelspan L; As shown in Figure 4, automobile back wheel turns to inside shock strut around shock strut 61, thus reduces automobile back wheel wheelspan L.
Claims (4)
1. a rear track can the automobile of modulation, comprise and be arranged in automobile back wheel wheel hub (1), for driving the external-rotor-type wheel hub motor (2) of trailing wheel, external-rotor-type wheel hub motor comprises the outer rotor (21) be connected with rear wheel hub, be positioned at motor stator and the stator installation shaft (23) of outer rotor, bumper (6) connecting vehicle frame (7) and the stator installation shaft (23) of automobile back wheel, the shock strut of bumper is connected with stator installation shaft by fixed support (3), it is characterized in that, wheelspan modulation mechanism is provided with between described shock strut and external-rotor-type wheel hub motor, shock strut (61) bottom is provided with annular groove (9), and described fixed support (3) is by the bearing support (32) of the adapter sleeve be rotatably set in annular groove (31) and connecting stator installation shaft and adapter sleeve, described wheelspan modulation mechanism comprises the clutch bindiny mechanism (4) be arranged between adapter sleeve and shock strut and the clutch distance adjustor (5) be arranged between shock strut and outer rotor,
Described clutch bindiny mechanism comprises some circumferences and is distributed on shock strut (61), along axially extended first directive slide track (43) of shock strut, some circumferences are distributed on adapter sleeve lateral surface, with the first directive slide track the second directive slide track (45) one to one, can being set in the clutch cutting ferrule (44) on shock strut and clutch cutting ferrule can be made along the first driver train of the first directive slide track movement along the first directive slide track movement; Described second directive slide track is axially extended along shock strut, and the number of the first directive slide track is even number;
Described clutch distance adjustor (5) comprises the driving gear (51) be fixedly connected on outer rotor (21), be arranged on shock strut (61) upper, along axially extended 3rd directive slide track (55) of shock strut, can being set in the driven gear (52) on shock strut and driven gear can be made along the second driver train of the 3rd directive slide track movement along the 3rd directive slide track movement; Described driving gear and driven gear are finishing bevel gear cuter, and driving gear and stator installation shaft are coaxially arranged, and described driven gear can move along the 3rd directive slide track, and make driven gear engage with driving gear or be separated;
Described stator installation shaft and shock strut perpendicular, described driven gear is positioned at above driving gear, and driven gear is positioned at above clutch cutting ferrule.
2. a kind of rear track according to claim 1 can the automobile of modulation, it is characterized in that, described first driver train comprises the first leading screw and nut mechanism (42) and is fixed on the first motor (41) on shock strut, the nut of the first leading screw and nut mechanism is arranged on clutch cutting ferrule, screw mandrel one end of first leading screw and nut mechanism is connected with the first outer rotor, and this screw mandrel parallels with shock strut axis.
3. a kind of rear track according to claim 1 can the automobile of modulation, it is characterized in that, described second driver train comprises the second leading screw and nut mechanism (54) and is fixed on the second motor (53) on shock strut, the nut of the second leading screw and nut mechanism is arranged on driven gear, screw mandrel one end of second leading screw and nut mechanism is connected with the second outer rotor, and this screw mandrel parallels with shock strut axis.
4. a kind of rear track according to claim 1 or 2 or 3 can the automobile of modulation, it is characterized in that, on described shock strut, is positioned at below driven gear and is provided with annular stop projection (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310700891.7A CN103802600B (en) | 2013-12-18 | 2013-12-18 | A kind of rear track can the automobile of modulation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310700891.7A CN103802600B (en) | 2013-12-18 | 2013-12-18 | A kind of rear track can the automobile of modulation |
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| Publication Number | Publication Date |
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| CN103802600A CN103802600A (en) | 2014-05-21 |
| CN103802600B true CN103802600B (en) | 2016-01-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310700891.7A Active CN103802600B (en) | 2013-12-18 | 2013-12-18 | A kind of rear track can the automobile of modulation |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104163085B (en) * | 2014-08-04 | 2017-02-15 | 浙江吉利控股集团有限公司 | Automobile wheel tread adjusting device |
| CN104192083B (en) * | 2014-08-27 | 2017-03-22 | 浙江吉利汽车研究院有限公司 | Wheel track adjusting device and wheel track adjusting method |
| CN109291733B (en) * | 2018-11-23 | 2023-10-24 | 湖北科技学院 | Variable-tread automobile hub |
| CN110077222B (en) * | 2019-06-06 | 2020-07-14 | 广东博智林机器人有限公司 | Steering wheel device and carrier |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808857A (en) * | 2005-01-19 | 2006-07-26 | 三菱自动车工业株式会社 | In-wheel motor |
| CN103057631A (en) * | 2013-02-08 | 2013-04-24 | 吉林大学 | Wheel track changing suspension mechanism of traveling machinery |
| CN203094172U (en) * | 2012-12-24 | 2013-07-31 | 中国科学院深圳先进技术研究院 | Steer-by-wire device capable of independent steering and driving electric automobile and suspension system thereof |
-
2013
- 2013-12-18 CN CN201310700891.7A patent/CN103802600B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1808857A (en) * | 2005-01-19 | 2006-07-26 | 三菱自动车工业株式会社 | In-wheel motor |
| CN203094172U (en) * | 2012-12-24 | 2013-07-31 | 中国科学院深圳先进技术研究院 | Steer-by-wire device capable of independent steering and driving electric automobile and suspension system thereof |
| CN103057631A (en) * | 2013-02-08 | 2013-04-24 | 吉林大学 | Wheel track changing suspension mechanism of traveling machinery |
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