CN207106609U - A kind of electric car four-wheel steering structure - Google Patents
A kind of electric car four-wheel steering structure Download PDFInfo
- Publication number
- CN207106609U CN207106609U CN201721064038.0U CN201721064038U CN207106609U CN 207106609 U CN207106609 U CN 207106609U CN 201721064038 U CN201721064038 U CN 201721064038U CN 207106609 U CN207106609 U CN 207106609U
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- CN
- China
- Prior art keywords
- wheel
- connecting rod
- gear
- crank
- sliding block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 210000003464 cuspid Anatomy 0.000 claims 1
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
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- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The utility model discloses a kind of electric car four-wheel steering structure,The first crank including one end Yu front-wheel steer axis connection,One end and the second crank of rear-axle steering axis connection,It is provided with the guide rod of the first sliding block and the second sliding block,The first coaxial gear wheel and the first little gear,The second gear wheel engaged with the first gear wheel,The second little gear provided with wheel shaft,First connecting rod and second connecting rod,One end of the other end connection first connecting rod of wherein the first crank,The other end of first connecting rod connects the first sliding block,One end of the other end connection second connecting rod of second crank,The other end of second connecting rod connects the second sliding block,First sliding block is provided with the first rack with the first pinion fits,Second sliding block is provided with the second rack with the second pinion fits,Second largest gear is set on wheel shaft and by arrangement of clutch and the second pinion fits.The utility model is simple in construction, and front and back wheel simultaneously relative can turn to, and conveniently switch to normally travel state.
Description
Technical field
A kind of four-wheel electric motor car is the utility model is related to, more particularly, to electric car steering structure.
Background technology
It is used for the tour bus of personnel's transport at scenic spot or Nei Jienei lanes at present or ferry bus uses electric four-wheel vehicle more, substantially
On be all two-wheeled steering structure.Limited by natural environmental condition, scenic spot or Nei Jienei lanes highway layout it is often narrower,
And during festivals or holidays, personnel more can largely assemble, and road more seems narrow and small, the electric car that two-wheeled turns to is in this occasion
It is lower in use, enough radiuss of turn can not be ensured, it is easy to occur colliding or impassable phenomenon.
The content of the invention
The utility model discloses a kind of small electric car four-wheel steering structure of radius of turn.
Technical solution of the present utility model is：A kind of electric car four-wheel steering structure, including one end and front-wheel steer
First crank of axis connection, second crank of one end and rear-axle steering axis connection, it is provided with leading for the first sliding block and the second sliding block
To bar, the first coaxial gear wheel and the first little gear, the second gear wheel engaged with the first gear wheel, second provided with wheel shaft
Little gear, first connecting rod and second connecting rod, wherein the one end of the other end of the first crank by the first axis connection first connecting rod, the
The other end of one connecting rod passes through the 3rd axis connection second connecting rod by second the first sliding block of axis connection, the other end of the second crank
One end, the other end of second connecting rod are provided with and the first pinion fits by the 4th the second sliding block of axis connection, the first sliding block
First rack, the second sliding block are provided with the second rack with the second pinion fits, and second largest gear is set on wheel shaft and led to
Arrangement of clutch and the second pinion fits are crossed, when arrangement of clutch closes, the second gear wheel and the second little gear coaxial linkage, when
When arrangement of clutch unclamps, the second gear wheel and the coaxially non-linkage of the second little gear.
First crank and front-wheel steer axis connection, can drive the first crank to turn clockwise when front-wheel turns to clockwise
It is dynamic, and drive the first sliding block to be slided on the guide bar towards vehicle forward direction by first connecting rod, first on the first sliding block
The little gear of rack drives first rotates clockwise, and the first little gear drives the first gear wheel to rotate clockwise, with the first gear wheel
Second gear wheel of engagement then rotates counterclockwise, when arrangement of clutch closes, the second little gear and second largest gear-linked inverse time
Pin is rotated, and drives the second rack on the second sliding block to be moved towards rear view of vehicle, and the second sliding block is also slided towards rear view of vehicle therewith
It is dynamic, drive the second crank to rotate counterclockwise by second connecting rod, rear wheel steering shaft rotates counterclockwise, so that trailing wheel turns counterclockwise
To realizing that trailing wheel turns in the opposite direction with front-wheel, greatly reduce min. turning radius, facilitate electric car in narrow and small sky
Interior J-turn.When arrangement of clutch unclamps, the second little gear and the coaxially non-linkage of the second gear wheel, trailing wheel is not with preceding rotation
To and turn to, can now be switched to two-wheel steering (2 ws) state, convenient reversing or straight trip.
The arrangement of clutch include pedal, the 3rd crank, third connecting rod, the screw being arranged on second gear wheel,
Spring, the platen and friction plate being set on the wheel shaft, wherein pedal and the 3rd crank one end are by the 5th axis connection, and the 3rd
The crank other end is connected with platen by the 7th axle, rubbed by the 6th axis connection, the third connecting rod other end with third connecting rod one end
Pad is set on wheel shaft by spline, and spring is arranged between screw and platen, and wearing piece is located at platen and described second largest
Between gear surface.Pedal can drive the 3rd crank to rotate, and drive platen to change position on wheel shaft by third connecting rod, real
Show contact or disengagement of the friction plate with second largest gear surface, realize the clutch operation of the second gear wheel and the second little gear, bullet
Spring can provide the power of platen reinstatement, and whole arrangement of clutch is simple in construction, easy to operate.
Rubber ring is arranged with the friction plate edge.Frictional force can be increased, be advantageous to improve clutch efficiency.
The utility model has the advantages that：Simple in construction, front and back wheel simultaneously relative can turn to, and conveniently switch to normally travel
State.
Brief description of the drawings
Accompanying drawing 1 is the structural representation of the utility model embodiment；
Accompanying drawing 2 is the upward view of the utility model embodiment；
Accompanying drawing 3 is the side view of the utility model embodiment；
Accompanying drawing 4 be in Fig. 3 A-A to sectional view；
1st, front-wheel, the 2, first crank, 3, first connecting rod, the 4, first sliding block, the 5, first little gear, the 6, first gear wheel, 7,
Second gear wheel, the 8, second little gear, the 9, second sliding block, 10, second connecting rod, the 11, second crank, 12, trailing wheel, 13, guide rod,
14th, rubber ring, 15, front-wheel steer axle, 16, first axle, the 17, second axle, the 18, first rack, 19, tooth, 20, tooth, 21, tooth, 22,
Tooth, the 23, second rack, the 24, the 4th axle, the 25, the 3rd axle, 26, rear wheel steering shaft, 27, friction plate, 28, platen, 29, wheel shaft,
30th, spline, 31, spring, 32, screw, 33, pedal, the 34, the 3rd crank, 35, third connecting rod, the 36, the 5th axle, the 37, the 6th axle,
38th, the 7th axle.
Embodiment
Embodiment：
Refering to Fig. 1-4, be a kind of electric car four-wheel steering structure, be arranged between front-wheel 1 and trailing wheel 12, including one end with
First crank 2 of the connection of front-wheel steer axle 15, second crank 11 of one end and the connection of rear wheel steering shaft 26, it is provided with the first sliding block
4 and second sliding block 9 guide rod 13, the first coaxial gear wheel 6 and the first little gear 5, engaged with the first gear wheel 6 second
Gear wheel 7, the second little gear 8, first connecting rod 3 and second connecting rod 10 provided with wheel shaft 29, wherein the other end of the first crank 2 leads to
Cross one end that first axle 16 connects first connecting rod 3, the other end of first connecting rod 3 connects the first sliding block 4 by the second axle 17, and second
The other end of crank 11 connects one end of second connecting rod 10 by the 3rd axle 25, and the other end of second connecting rod 10 passes through the 4th axle 24
Connect the second sliding block 9, the first sliding block 4 is provided with the first rack 18 coordinated with the tooth 19 of the first little gear 5, on the second sliding block 9
Provided with the second rack 23 with the cooperation of the tooth 22 of the second little gear 8, the second gear wheel 7 is set on wheel shaft 29 and filled by clutch
Put and coordinate with the second little gear 8, when arrangement of clutch closes, the second gear wheel 7 and the coaxial linkage of the second little gear 8, work as clutch
When device unclamps, the second gear wheel 7 and the coaxially non-linkage of the second little gear 8.The gear wheel 7 of tooth 20 and second of first gear wheel 6
Tooth 21 be intermeshed.The arrangement of clutch includes pedal 33, the 3rd crank 34, third connecting rod 35, is arranged on the second gear wheel 7
On screw 32, spring 31, the platen 28 and friction plate 27 being set on wheel shaft 29, wherein pedal 33 and the one end of the 3rd crank 34
Connected by the 5th axle 36, the other end of the 3rd crank 34 is connected with the one end of third connecting rod 35 by the 6th axle 37, third connecting rod 35
The other end be connected by the 7th axle 38 with platen 28, friction plate 27 is set on wheel shaft 29 by spline 30, and spring 31 is set
Between screw 32 and platen 28, wearing piece 27 is located between the surface of 28 and second gear wheel of platen 7.At the edge of friction plate 27
On be arranged with rubber ring 14.
First crank 2 and front-wheel steer axle 15 are connected, and the up time of the first crank 2 can be driven when front-wheel 1 turns to clockwise
Pin rotates, and drives the first sliding block 4 to be slided on guide rod 13 towards vehicle forward direction by first connecting rod 3, the first sliding block 4
On the first rack 18 drive the first little gear 5 rotate clockwise, the first little gear 5 drive the first gear wheel 6 rotate clockwise,
The second gear wheel 7 engaged with the first gear wheel 6 then rotates counterclockwise, and when pedal 33 is not operated, arrangement of clutch is in and closed
Conjunction state, under the effect of the elastic force of spring 31, platen 28 moved downward along wheel shaft 29 and pressing friction piece 27 to be adjacent to it second largest
The surface of gear 7, in the case where the friction of friction plate 27 and rubber ring 14 drives, the second gear wheel 7 and the coaxial linkage of the second little gear 8,
Second little gear 8 also rotates counterclockwise, and drives the second rack 23 on the second sliding block 9 to be moved towards rear view of vehicle, the second sliding block 9
Also slided therewith towards rear view of vehicle, drive the second crank 11 to rotate counterclockwise by second connecting rod 10, rear wheel steering shaft 26 is inverse
Hour hands rotate, so that rear 12 wheel turns to counterclockwise, realize that trailing wheel turns in the opposite direction with front-wheel；When pedal 33 is operated
When, arrangement of clutch is in releasing orientation, and pedal 33 drives the 3rd crank 34 to rotate counterclockwise, and third connecting rod 35 is driven platen 28
The effect of the elastic force of spring 31 is overcome to be moved upwards along wheel shaft 29, now friction plate 27 leaves the surface of the second gear wheel 7, the second little gear
8 and the second coaxially non-linkage of gear wheel 7, the rotation transmitted from the second little gear 8 the second gear wheel 7 will not be driven to link, trailing wheel
12 are in non-steering state, can now carry out two-wheeled steering.
Above-listed detailed description is illustrating for one of the utility model possible embodiments, and the embodiment is simultaneously not used to
The scope of the claims of the present utility model is limited, all equivalence enforcements or change without departing from carried out by the utility model, is intended to be limited solely by this
In the scope of the claims of case.
Claims (3)
- A kind of 1. electric car four-wheel steering structure, it is characterised in that：The first crank including one end and front-wheel steer axis connection, one End and the second crank of rear-axle steering axis connection, the guide rod for being provided with the first sliding block and the second sliding block, the first coaxial canine tooth Wheel and the first little gear, the second gear wheel engaged with the first gear wheel, the second little gear provided with wheel shaft, first connecting rod and the Two connecting rods, wherein the one end of the other end of the first crank by the first axis connection first connecting rod, the other end of first connecting rod pass through Second the first sliding block of axis connection, the other end of the second crank by one end of the 3rd axis connection second connecting rod, second connecting rod it is another One end is provided with the first rack with the first pinion fits, the second sliding block by the 4th the second sliding block of axis connection, the first sliding block It is provided with the second rack with the second pinion fits, second largest gear is set on wheel shaft and small with second by arrangement of clutch Gear coordinates, when arrangement of clutch closes, the second gear wheel and the second little gear coaxial linkage, and when arrangement of clutch unclamps, the Two gear wheels and the coaxially non-linkage of the second little gear.
- A kind of 2. electric car four-wheel steering structure according to claim 1, it is characterised in that：The arrangement of clutch includes stepping on Plate, the 3rd crank, third connecting rod, the screw being arranged on second gear wheel, spring, the platen being set on the wheel shaft And friction plate, wherein pedal and the 3rd crank one end are led to by the 5th axis connection, the 3rd crank other end with third connecting rod one end The 6th axis connection is crossed, the third connecting rod other end is connected by the 7th axle with platen, and friction plate is set on wheel shaft by spline, bullet Spring is arranged between screw and platen, and wearing piece is located between platen and the second largest gear surface.
- A kind of 3. electric car four-wheel steering structure according to claim 2, it is characterised in that：On the friction plate edge It is arranged with rubber ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064038.0U CN207106609U (en) | 2017-08-23 | 2017-08-23 | A kind of electric car four-wheel steering structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721064038.0U CN207106609U (en) | 2017-08-23 | 2017-08-23 | A kind of electric car four-wheel steering structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207106609U true CN207106609U (en) | 2018-03-16 |
Family
ID=61570585
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721064038.0U Expired - Fee Related CN207106609U (en) | 2017-08-23 | 2017-08-23 | A kind of electric car four-wheel steering structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207106609U (en) |
-
2017
- 2017-08-23 CN CN201721064038.0U patent/CN207106609U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |