CN207389429U

CN207389429U - The wheel stability steering structure of electric bicycle

Info

Publication number: CN207389429U
Application number: CN201721048870.1U
Authority: CN
Inventors: 张华�; 邵国良
Original assignee: Zhejiang Hongyuan Automobile Group Co Ltd
Current assignee: Zhejiang Hongyuan Automobile Group Co Ltd
Priority date: 2017-08-21
Filing date: 2017-08-21
Publication date: 2018-05-22
Anticipated expiration: 2027-08-21

Abstract

The utility model provides a kind of wheel stability steering structure of electric bicycle.It solves the technical issues of existing.The wheel stability steering structure of this electric bicycle, it is arranged between steering column and wheel, stub including being symmetrically disposed on vehicle frame both sides, the first steering swing arm is connected on a stub, the second steering swing arm is connected on another stub, the first steering linkage and the second steering linkage are symmetrically connected on steering column, first steering linkage outer end is movably connected with the first steering swing arm rear portion and forms the first tie point, second steering linkage outer end is movably connected with the second steering swing arm rear portion and forms the second tie point, first turns between swing arm forepart and the second steering swing arm forepart equipped with stable direction bar, one end of stable direction bar is movably connected with the first steering swing arm forepart and forms the 3rd tie point, the other end and the second steering swing arm forepart are movably connected and form the 4th tie point.The utility model has many advantages, such as that, convenient for manipulating, stability is good.

Description

The wheel stability steering structure of electric bicycle

Technical field

The utility model belongs to vehicle technology field more particularly to a kind of wheel stability of electric bicycle turns to knot Structure.

Background technology

With the strengthening of people's awareness of environmental protection, people are higher and higher for the demand of electric car, in terms of key technology It breaks through after constantly being promoted with the performance of electric bicycle, electric bicycle is allowed to become the substitute products of motorcycle and bicycle, And its is quick, environmentally friendly, convenient and cheap, while also excite demand of the market for electric bicycle.In order to make electric car Carrying it is more convenient, then derived electric motor bicycle with folding, existing list front-wheel folding electric car is direct by steering handle By front fork vehicle wheel rotation is driven to be turned to realize, and it is then direct by steering handle to have there are two the electric motor bicycle with folding of front-wheel Two wheels is driven to rotate to realize simultaneously and turn to, the steering that such steering mode is realized by rigid connection, when turn manipulates It causes high effort for, and steering stability is poor, vehicle is easily turned on one's side when turning to, and is reduced the security of driving, and is turned to accurately Property is low, influences the passability of vehicle.Existing in the prior art in order to solve the problems, such as, people have carried out long-term exploration, it is proposed that Miscellaneous solution.

For example, Chinese patent literature discloses a kind of steering mechanism and the electric bicycle [Shen using the steering mechanism Please number：201620771484.4] vehicle body, the shaft being connected with stem, bearing group are included；The bearing group includes first axle It holds and second bearing；The clutch shaft bearing and second bearing are connected with the shaft, so that the shaft can be with respect to vehicle body pivot Turn；The fixed part for fixing bearing group is equipped in vehicle body, the fixed part is respectively equipped with first be adapted with clutch shaft bearing Fixing groove, the second fixing groove being adapted with second bearing.

Above-mentioned scheme improves the subproblem of the prior art to a certain extent, and still, the program also at least exists Following defect：Manipulation is laborious, and steering stability is poor, and it is low to turn to accuracy.

The content of the invention

The purpose of this utility model is in view of the above-mentioned problems, providing one kind convenient for manipulation, steering stability is good, and it is accurate to turn to The wheel stability steering structure of the high electric bicycle of property.

In order to achieve the above objectives, the utility model employs following technical proposal：The wheel stability of this electric bicycle turns It to structure, is arranged between steering column and wheel, the stub including being symmetrically disposed on vehicle frame both sides circumferentially turns on a stub It is dynamic to be connected with the first steering swing arm, circumferentially it is rotatably connected to the second steering swing arm on another stub, it is right on the steering column Title is connected with the first steering linkage and the second steering linkage, and the first steering linkage outer end turns to swing arm rear portion with first and lives Dynamic to be connected and form the first tie point, the second steering linkage outer end is movably connected and is formed with the second steering swing arm rear portion Second tie point, described first turns between swing arm forepart and the second steering swing arm forepart equipped with stable direction bar, described Stable direction bar is axial elasticity telescopic rod, one end of the stable direction bar be movably connected with the first steering swing arm forepart and The 3rd tie point is formed, the other end and the second steering swing arm forepart are movably connected and form the 4th tie point, and described first connects Contact, the second tie point, the 3rd tie point and the 4th tie point are respectively four vertex of quadrangle.

Here the first tie point, the 3rd tie point is hinged with the first steering swing arm, the second tie point, the 4th tie point It is hinged with the second steering swing arm, the first tie point, the second tie point, the first steering linkage, the second steering linkage are located at same Straight line, the 3rd tie point, the 4th tie point, stable direction bar are located at same straight line, in Vehicular turn, the first tie point, Two tie points, the first steering linkage, the second steering linkage and the 3rd tie point, the 4th tie point, stable direction bar are axially opposing Reverse movement, i.e., the two of quadrangle long side moving direction is on the contrary, wheel is separately mounted on the short side of quadrangle (i.e. first turn Swing arm is turned to swing arm and second), realize that the offset of wheel turns to this, since stable direction bar is axial elasticity telescopic rod, Therefore the effect that damping and guiding can be provided when turning to carrys out assist wheel steering, realizes the stable turning of vehicle, and turn to More accurate, manipulation is more convenient.

In the wheel stability steering structure of above-mentioned electric bicycle, the described first steering swing arm top, which is equipped with, to be located at The first wheel mounting portion between first tie point and the 3rd tie point；Described second, which turns to swing arm and be equipped with, is located at the second company The second wheel mounting portion between contact and the 4th tie point.

In the wheel stability steering structure of above-mentioned electric bicycle, first tie point, the second tie point, Three tie points and the 4th tie point are respectively universal joint.Pass through the first wheel respectively in first steering swing arm and the second steering swing arm Mounting portion and the second wheel mounting portion are connected with wheel, promote first to turn to swing arm and second by universal joint and turn to the rotation of swing arm Wheel steering is realized in offset.

In the wheel stability steering structure of above-mentioned electric bicycle, first wheel mounting portion is installed for wheel The central axes of axis and wheel installation axle are between the first tie point and the 3rd tie point；Second wheel mounting portion is vehicle The central axes of wheel installation axle and wheel installation axle are between the 3rd tie point and the 4th tie point.

In the wheel stability steering structure of above-mentioned electric bicycle, the stable direction bar is included arranged on middle part Intermediate bar is respectively equipped with a piece-root grafting bar at the both ends of intermediate bar, and the intermediate bar is axially movably connected respectively with each extension bar, An elastic telescopic connection structure is respectively equipped between the intermediate bar and each extension bar.It is realized by elastic telescopic connection structure Extension bar and the axial stretching of intermediate bar connecting pin, and universal joint here is arranged on the outer end of extension bar, can keep positive in wheel When power-assisted is provided, prevent from turning to by wheel during bumpy road.

In the wheel stability steering structure of above-mentioned electric bicycle, the elastic telescopic connection structure includes elasticity Body, one end of the elastomer act on intermediate bar, and the other end acts on extension bar；The elastomer is for spring and by elasticity Any one in elastic component made of material.

In the wheel stability steering structure of above-mentioned electric bicycle, the both ends of the intermediate bar are respectively provided with deviation In intermediate bar central axes and positioned at the connecting portion of homonymy, the extension bar is axially movably connected with connecting portion.

In the wheel stability steering structure of above-mentioned electric bicycle, the steering column lower end is consolidated with steering base front end Even, retainer is equipped with below steering base, the rear end of the retainer is connected with the rear end thereof of steering base, and described first Front end both sides of the Inner ends of steering linkage and the second steering linkage respectively with retainer are connected.Steering column is connected with steering handle, Steering column drives steering base to rotate, and the rear end of steering base is rotatablely connected with respect to retainer, and the first steering linkage and second turns to drawing Bar with retainer is relatively fixed and is connected in the horizontal direction, therefore after steering column rotation, the rear end of steering base can reserve migration, And steering base is allowed to promote retainer that the first steering linkage and the second steering linkage is made to generate axial displacement, it is inclined so as to fulfill wheel It moves.

In the wheel stability steering structure of above-mentioned electric bicycle, the front end of the steering base is equipped with arc groove, The retainer is fixedly arranged at the front end with sliding pin, and the sliding pin is arranged in arc groove and can be slided along arc groove, described Transmission base rear end be equipped with the limited post for being located at both sides respectively, the rear end of the steering base is located between two limited posts and turns It is located at the rear of two limited posts to the rotation connection of seat and retainer.Here sliding pin is connected with respect to retainer, therefore turns To when arc groove do arc offset along sliding pin, arc groove and limited post here can also play the role of limiting steering.

In the wheel stability steering structure of above-mentioned electric bicycle, the vehicle frame both sides are symmetrically arranged with suspension, A stub is respectively equipped on each suspension, buffer gear is respectively equipped on each suspension.Buffer gear on suspension can not only The comfort of front-wheel when driving is improved, and resilient support can be provided in wheel steering, positioned at the wheel of inside turn radius It can ensure that the wheel positioned at outer radius of turn can be bonded ground always after suspension compresses buffering when turning to, turning is more pacified Entirely.

In the wheel stability steering structure of above-mentioned electric bicycle, the described first steering swing arm is consolidated by fastener It is scheduled on the first stub to put on, first stub set is rotationally sheathed on stub, first stub set and first Bearing is equipped between steering swing arm；Described second steering swing arm is fixed on the second stub by fastener and puts on, and described the Two stubs set is rotationally sheathed on stub, and bearing is equipped between second stub set and the second steering swing arm

In the wheel stability steering structure of above-mentioned electric bicycle, the suspension includes upper cantilever and lower cantalever, The upper cantilever and one end of lower cantalever are connected respectively with vehicle frame, and the other end turns to swing arm with first respectively or the second steering is put Arm is connected, and the buffer gear includes the upper boom and lower beam of axial pivot bush unit, and the upper boom upper end is connected with upper cantilever, The lower beam lower end is connected with lower cantalever, and spring is equipped between the upper boom and lower beam, and the spring one end acts on Upper boom, the other end act on lower beam.During steering, mutually compressed between the upper boom and lower beam on the suspension of inside turn radius, Buffering is realized with this, spring can promote the backhaul of upper boom and lower beam after the completion of steering, ensure the steady of wheel；And first turn It is connected to swing arm and the second steering swing arm by upper cantilever and lower cantalever with vehicle frame, the vibrations of wheel can be passed through buffer structure It decomposes, so as to reduce the vibrations of vehicle frame, structure is more stablized.

Compared with prior art, it is the advantages of the wheel stability steering structure of this electric bicycle：It is 1st, simple in structure, The steering of wheel is realized by the articulated structure of stable direction bar and quadrangle, steering stability is good, direction is accurate, and more just In manipulation；2nd, front-wheel is connected with the independent support of wheel when buffer gear can realize turning, and vehicle frame stability higher, driving is more Add safety.

Description of the drawings

Fig. 1 is the structure diagram provided by the utility model for looking up visual angle；

Fig. 2 is the structure sectional view at vertical view visual angle provided by the utility model；

Fig. 3 is the structure diagram at positive visual angle provided by the utility model；

Fig. 4 is the structure diagram at lateral visual angle provided by the utility model；

Fig. 5 is the structure diagram at local visual angle provided by the utility model；

In figure, steering column 1, wheel 2, vehicle frame 3, stub 4, first turn to swing arm 5, second and turn to the steering drawing of swing arm 6, first Bar 7, the second steering linkage 8, the first tie point 9, the second tie point 10, stable direction bar 11, the connection of the 3rd tie point the 12, the 4th Put the 13, first wheel mounting portion 14, the second wheel mounting portion 15, intermediate bar 16, extension bar 17, elastic telescopic connection structure 18, company Socket part 19, steering base 20, retainer 21, arc groove 22, sliding pin 23, limited post 24, suspension 25, buffer gear 26, the first stub Cover the 27, second stub set 28, upper cantilever 29, lower cantalever 30, upper boom 31, lower beam 32, spring 33.

Specific embodiment

The utility model is described in more detail with reference to the accompanying drawings and detailed description.

As shown in Figs. 1-5, the wheel stability steering structure of this electric bicycle, is arranged between steering column 1 and wheel 2, Stub 4 including being symmetrically disposed on 3 both sides of vehicle frame, is circumferentially rotatably connected to the first steering swing arm 5, another on a stub 4 The second steering swing arm 6 is circumferentially rotatably connected on one stub 4, the first steering linkage 7 and second turn are symmetrically connected on steering column 1 To pull rod 8,7 outer end of the first steering linkage is movably connected with the first steering swing arm 5 rear portion and forms the first tie point 9, second turn Be movably connected to 8 outer end of pull rod with the second steering swing arm 6 rear portion and form the second tie point 10, first turn to 5 forepart of swing arm with Second turns to stable direction bar 11 is equipped between swing arm 6 forepart, and stable direction bar 11 is axial elasticity telescopic rod, stable direction bar 11 one end is movably connected with the first 5 forepart of steering swing arm and forms the 3rd tie point 12, before the other end and second turn to swing arm 6 Portion is movably connected and forms the 4th tie point 13, and the first tie point 9, the second tie point 10, the 3rd tie point 12 and the 4th connect Point 13 is respectively four vertex of quadrangle.

In the present embodiment, the first tie point 9, the 3rd tie point 12 and the first steering swing arm 5 are hinged, the second tie point 10th, the 4th tie point 13 with second steering swing arm 6 be hinged, the first tie point 9, the second tie point 10, the first steering linkage 7, Second steering linkage 8 is located at same straight line, and the 3rd tie point 12, the 4th tie point 13, stable direction bar 11 are located at same straight line, In Vehicular turn, the first tie point 9, the second tie point 10, the first steering linkage 7, the second steering linkage 8 and the 3rd tie point 12nd, the 4th tie point 13,11 axially opposing reverse movement of stable direction bar, i.e. the two of quadrangle long side moving direction on the contrary, Wheel 2 is separately mounted on the short side of quadrangle (i.e. first, which turns to swing arm 5 and second, turns to swing arm 6), and wheel 2 is realized with this Offset turns to, and since stable direction bar 11 is axial elasticity telescopic rod, the work of damping and guiding can be provided when turning to It is turned to for assist wheel 2, realizes the stable turning of vehicle, and steering is more accurate, manipulation is more convenient.

Further, first 5 top of swing arm is turned to equipped with first between the first tie point 9 and the 3rd tie point 12 Wheel mounting portion 14；Second turns to the second wheel that swing arm 6 is equipped between the second tie point 10 and the 4th tie point 13 Wheel 2 is connected with respectively on mounting portion 15, the first wheel mounting portion 14 and the second wheel mounting portion 15.First tie point 9, second connects Contact 10, the 3rd tie point 12 and the 4th tie point 13 are respectively universal joint, and first, which turns to swing arm 5 and second, turns in swing arm 6 Wheel 2 is connected with by the first wheel mounting portion 14 and the second wheel mounting portion 15 respectively, promotes first to turn to by universal joint and puts The pivot offset that arm 5 and second turns to swing arm 6 realizes that wheel 2 turns to；First wheel mounting portion 14 is wheel installation axle and wheel The central axes of installation axle are between the first tie point 9 and the 3rd tie point 12；Second wheel mounting portion 15 is wheel installation axle And the central axes of wheel installation axle are between the 3rd tie point 12 and the 4th tie point 13.

Specifically, stable direction bar 11 includes the intermediate bar 16 arranged on middle part, and one is respectively equipped at the both ends of intermediate bar 16 Piece-root grafting bar 17, intermediate bar 16 with each extension bar 17 are axially movably connected, are set respectively between intermediate bar 16 and each extension bar 17 respectively There is an elastic telescopic connection structure 18, the axial direction of 16 connecting pin of extension bar 17 and intermediate bar is realized by elastic telescopic connection structure 18 It is flexible, and universal joint here is arranged on the outer end of extension bar 17, can provide power-assisted when wheel 2 keeps forward direction, prevents by top Winnow with a dustpan road surface when wheel turn to.Elastic telescopic connection structure 18 includes elastomer, and one end of elastomer acts on intermediate bar 16, The other end acts on extension bar 17；Any one of elastomer for spring and made of the elastic material in elastic component, intermediate bar 16 Both ends be respectively provided with and deviate from 16 central axes of intermediate bar and positioned at the connecting portion 19 of homonymy, extension bar 17 and connecting portion 19 are axial living It is dynamic to be connected.

Further, 1 lower end of steering column is connected with 20 front end of steering base, in steering base 20) lower section be equipped with retainer 21, pass The rear end of dynamic seat 21 is connected with the rear end thereof of steering base 20, the Inner ends of the first steering linkage 7 and the second steering linkage 8 respectively with The front end both sides of retainer 21 are connected, and steering column 1 is connected with steering handle, and steering column 1 drives steering base 20 to rotate, steering base 20 Rear end be rotatablely connected with respect to retainer 21, the first steering linkage 7 and the second steering linkage 8 and retainer 21 phase in the horizontal direction To being fixedly connected, therefore after the rotation of steering column 1, the rear end of steering base 20 can reserve migration, and steering base 20 is allowed to promote and is passed Dynamic seat 21 makes the first steering linkage 7 and the second steering linkage 8 generate axial displacement, is deviated so as to fulfill wheel 2.

The front end of steering base 20 is equipped with arc groove 22, and retainer 21 is fixedly arranged at the front end with sliding pin 23, and sliding pin 23 is arranged in arc It can slide in shape slot 22 and along arc groove 22,21 rear end of retainer is equipped with the limited post 24 for being located at both sides respectively, steering base 20 Rear end be located between two limited posts 24 and steering base 20 is with being located at two limited posts 24 at the rotation connection of retainer 21 Rear.Here sliding pin 23 is connected with respect to retainer 21, therefore arc groove 22 does arc offset along sliding pin 23 during steering, here Arc groove 22 and limited post 24 can also play the role of limiting steering.

Further, 3 both sides of vehicle frame are symmetrically arranged with suspension 25, and a stub 4 is respectively equipped on each suspension 25, each It is respectively equipped with buffer gear 26 on suspension 25, the buffer gear 26 on suspension 25 can not only improve front-wheel when driving comfortable Property, and resilient support can be provided when wheel 2 turns to, positioned inside turn radius wheel 2 when turning to suspension 25 compress The wheel 2 that can ensure after buffering positioned at outer radius of turn can be bonded ground always, turn safer.First turns to swing arm 5 are fixed on by fastener on the first stub set 27, and the first stub set 27 is rotationally sheathed on stub 4, the first stub set 27 and first turn to swing arm 5 between be equipped with bearing；Second steering swing arm 6 is fixed on by fastener on the second stub set 28, the Two stubs set 28 is rotationally sheathed on stub 4, and the second stub set 28 and second, which turns to, is equipped with bearing between swing arm 6, and first It turns to swing arm 5 to circumferentially rotate by 27 realization of the first stub set, second turns to swing arm 6 realizes circumferential turn by the second stub set 28 It is dynamic.

Wherein, suspension 25 includes upper cantilever 29 and lower cantalever 30, one end of upper cantilever 29 and lower cantalever 30 respectively with vehicle frame 3 It is connected, the other end turns to swing arm 6 with the first steering swing arm 5 or second respectively and is connected, and buffer gear 26 includes axial pivot bush unit Upper boom 31 and lower beam 32,31 upper end of upper boom be connected with upper cantilever 29,32 lower end of lower beam is connected with lower cantalever 30, upper boom 31 and under Spring 33 is equipped between bar 32,33 one end of spring acts on upper boom 31, and the other end acts on lower beam 32.

During steering, mutually compress between the upper boom 31 and lower beam 32 on the suspension 25 of inside turn radius, realized with this Buffering, spring 33 can promote the backhaul of upper boom 31 and lower beam 32 after the completion of steering, ensure the steady of wheel 2；And first turn Swing arm 6 is turned to swing arm 5 and second by upper cantilever 29 and lower cantalever 30 with vehicle frame 3 to be connected, and the vibrations of wheel 2 can be passed through Buffer structure decomposes, and so as to reduce the vibrations of vehicle frame 3, structure is more stablized.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Although steering column 1, wheel 2, vehicle frame 3, stub 4, first is used more herein to turn to swing arm 5, second and turn to Swing arm 6, the first steering linkage 7, the second steering linkage 8, the first tie point 9, the second tie point 10, stable direction bar the 11, the 3rd Tie point 12, the 4th tie point 13, the first wheel mounting portion 14, the second wheel mounting portion 15, intermediate bar 16, extension bar 17, elasticity It is telescopically connected structure 18, connecting portion 19, steering base 20, retainer 21, arc groove 22, sliding pin 23, limited post 24, suspension 25, slow Punch mechanism 26, the first stub cover the arts such as the 27, second stub set 28, upper cantilever 29, lower cantalever 30, upper boom 31, lower beam 32, spring 33 Language, but it does not preclude the possibility of using other terms.The use of these items is only for more easily describe and explain this The essence of utility model；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.

Claims

1. a kind of wheel stability steering structure of electric bicycle is arranged between steering column (1) and wheel (2), feature exists In the stub (4) including being symmetrically disposed on vehicle frame (3) both sides is circumferentially rotatably connected to the first steering pendulum on a stub (4) Arm (5), is circumferentially rotatably connected to the second steering swing arm (6) on another stub (4), and the steering column symmetrically connects on (1) There are the first steering linkage (7) and the second steering linkage (8), the first steering linkage (7) outer end turns to swing arm (5) with first Rear portion is movably connected and forms the first tie point (9), after the second steering linkage (8) outer end turns to swing arm (6) with second Portion is movably connected and forms the second tie point (10), and described first, which turns to swing arm (5) forepart and second, turns to swing arm (6) forepart Between be equipped with stable direction bar (11), the stable direction bar (11) be axial elasticity telescopic rod, the stable direction bar (11) one end is movably connected with first steering swing arm (5) forepart and forms the 3rd tie point (12), and the other end and second turn to Swing arm (6) forepart is movably connected and forms the 4th tie point (13), first tie point (9), the second tie point (10), Three tie points (12) and the 4th tie point (13) are respectively four vertex of quadrangle.

2. the wheel stability steering structure of electric bicycle according to claim 1, which is characterized in that described first turn The first wheel mounting portion (14) between the first tie point (9) and the 3rd tie point (12) is equipped with to swing arm (5) top；Institute Second stated turns to the second wheel installation that swing arm (6) is equipped between the second tie point (10) and the 4th tie point (13) Portion (15).

3. the wheel stability steering structure of electric bicycle according to claim 1, which is characterized in that described first connects Contact (9), the second tie point (10), the 3rd tie point (12) and the 4th tie point (13) are respectively universal joint.

4. the wheel stability steering structure of electric bicycle according to claim 2, which is characterized in that first vehicle Wheel mounting portion (14) is located at the first tie point (9) and the 3rd tie point (12) for the central axes of wheel installation axle and wheel installation axle Between；Second wheel mounting portion (15) is located at the 3rd tie point for the central axes of wheel installation axle and wheel installation axle (12) between the 4th tie point (13).

5. the wheel stability steering structure of the electric bicycle according to claim 1 or 2 or 3 or 4, which is characterized in that institute The stable direction bar (11) stated includes the intermediate bar (16) arranged on middle part, and a piece-root grafting bar is respectively equipped at the both ends of intermediate bar (16) (17), the intermediate bar (16) is axially movably connected respectively with each extension bar (17), and the intermediate bar (16) connects with each An elastic telescopic connection structure (18) is respectively equipped between bar (17).

6. the wheel stability steering structure of electric bicycle according to claim 5, which is characterized in that the elasticity is stretched Contracting connection structure (18) includes elastomer, and one end of the elastomer acts on intermediate bar (16), and the other end acts on extension bar (17)；Any one of the elastomer for spring and made of the elastic material in elastic component.

7. the wheel stability steering structure of electric bicycle according to claim 5, which is characterized in that the intermediate bar (16) both ends, which are respectively provided with, deviates from intermediate bar (16) central axes and positioned at the connecting portion (19) of homonymy, the extension bar (17) It is axially movably connected with connecting portion (19).

8. the wheel stability steering structure of the electric bicycle according to claim 1 or 2 or 3 or 4, which is characterized in that institute Steering column (1) lower end stated is connected with steering base (20) front end, and retainer (21), the biography are equipped with below steering base (20) The rear end of dynamic seat (21) is connected with the rear end thereof of steering base (20), first steering linkage (7) and the second steering linkage (8) front end both sides of the Inner ends respectively with retainer (21) are connected.

9. the wheel stability steering structure of electric bicycle according to claim 8, which is characterized in that the steering base (20) front end is equipped with arc groove (22), and the retainer (21) is fixedly arranged at the front end with sliding pin (23), the sliding pin (23) It is arranged in arc groove (22) and can be slided along arc groove (22), the retainer (21) rear end is equipped with is located at both sides respectively Limited post (24), the rear end of the steering base (20) is located between two limited posts (24) and steering base (20) and retainer (21) it is located at the rear of two limited posts (24) at rotation connection.

10. the wheel stability steering structure of the electric bicycle according to claim 1 or 2 or 3 or 4, which is characterized in that institute Vehicle frame (3) both sides stated are symmetrically arranged with suspension (25), and a stub (4), each suspension are respectively equipped on each suspension (25) (25) buffer gear (26) is respectively equipped on.

11. the wheel stability steering structure of electric bicycle according to claim 10, which is characterized in that described first It turns to swing arm (5) to be fixed on the first stub set (27) by fastener, the first stub set (27) is rotationally arranged In on stub (4), bearing is equipped between the first stub set (27) and the first steering swing arm (5)；Described second turns to Swing arm (6) is fixed on by fastener on the second stub set (28), and the second stub set (28) is rotationally sheathed on master It sells on (4), bearing is equipped between the second stub set (28) and the second steering swing arm (6).

12. the wheel stability steering structure of electric bicycle according to claim 10, which is characterized in that the suspension (25) include upper cantilever (29) and lower cantalever (30), one end of the upper cantilever (29) and lower cantalever (30) respectively with vehicle frame (3) it is connected, the other end is connected respectively with the first steering swing arm (5) or the second steering swing arm (6), the buffer gear (26) bag The upper boom (31) of axial pivot bush unit and lower beam (32) are included, the upper boom (31) upper end is connected with upper cantilever (29), described Lower beam (32) lower end is connected with lower cantalever (30), and spring (33) is equipped between the upper boom (31) and lower beam (32), described Spring (33) one end acts on upper boom (31), and the other end acts on lower beam (32).