CN210011830U - Front wheel suspension tilting mechanism of double-front-wheel vehicle - Google Patents
Front wheel suspension tilting mechanism of double-front-wheel vehicle Download PDFInfo
- Publication number
- CN210011830U CN210011830U CN201920485059.2U CN201920485059U CN210011830U CN 210011830 U CN210011830 U CN 210011830U CN 201920485059 U CN201920485059 U CN 201920485059U CN 210011830 U CN210011830 U CN 210011830U
- Authority
- CN
- China
- Prior art keywords
- steering
- rocker arm
- bracket
- mounting hole
- push rod
- 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.)
- Withdrawn - After Issue
Links
- 239000000725 suspension Substances 0.000 title claims abstract description 66
- 230000007246 mechanism Effects 0.000 title claims abstract description 37
- 230000000712 assembly Effects 0.000 claims abstract description 4
- 238000000429 assembly Methods 0.000 claims abstract description 4
- 238000013016 damping Methods 0.000 claims description 12
- 230000035939 shock Effects 0.000 claims description 8
- 238000010521 absorption reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000010586 diagram Methods 0.000 description 6
- 230000003137 locomotive effect Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Landscapes
- Automatic Cycles, And Cycles In General (AREA)
Abstract
The utility model discloses a front wheel suspension tilting mechanism of a double-front-wheel vehicle, which comprises a frame, a left suspension component, a right suspension component, a rocker arm component and a steering device; the left suspension assembly and the right suspension assembly are symmetrically arranged on the left side and the right side of the frame through rocker arm assemblies; the front end of the frame is provided with a vehicle head vertical pipe. The rocker arm assembly comprises a left upper rocker arm, a right upper rocker arm, a lower front rocker arm and a lower rear rocker arm, wherein the left upper rocker arm and the right upper rocker arm are symmetrically and rotatably arranged on the left side and the right side of the upper part of the vehicle head stand pipe; the lower front rocker arm and the lower rear rocker arm are rotatably arranged on the front side and the rear side of the lower part of the vehicle head stand pipe; the steering device is mounted below the rocker arm assembly. The front wheel suspension tilting mechanism realizes the miniaturization of the front part of the vehicle body, reduces the wheel track of the front wheel, and improves the running stability and the steering flexibility of the vehicle; meanwhile, the integral structure is simplified, the processing and assembling difficulty is reduced, and the manufacturing cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of the vehicle hangs, especially, relate to a front wheel of two front wheel vehicles hangs tilt mechanism.
Background
The traditional three-wheeled locomotive generally adopts a structure of one front wheel and two rear wheels, when the vehicle runs straight, the three-wheeled locomotive has higher stability than a two-wheeled locomotive and is easier to be mastered by a driver, but the operation is extremely inflexible during turning, and particularly when the vehicle turns at a higher speed, the three front wheels and the three rear wheels are difficult to be ensured to be simultaneously grounded, so that the three-wheeled locomotive is easy to turn on one's side due to unstable gravity center.
In recent years, a novel three-wheeled vehicle has been developed, which has a structure of two front wheels and one rear wheel, and the vehicle has two symmetrically arranged front wheels for steering and one rear wheel for driving, and the three wheels form an inverted isosceles triangle, which is also called an inverted tricycle or a double-front-wheel vehicle. The motorcycle type can effectively solve the potential safety hazard of two points and one line of the two-wheeled vehicle by utilizing the triangle principle. Because the double front wheels are not simply added with one wheel, the two front wheels are connected with the frame by using a special front suspension mechanism, and can flexibly swing in a side-tipping manner through a parallelogram structure, so that the two front wheels of the double front wheels are related and relatively independent, the three wheels can be ensured to land all the time, and strong ground holding force and good braking effect are provided for the whole vehicle. The two front wheel structure associated with each other can realize a rollable performance almost equivalent to that of a two-wheeled vehicle having a single front wheel, enables the vehicle to excellently perform a high-speed cornering, and provides a stable braking performance. In addition, the relative independence of the two front wheels can allow a horizontal fall between the two wheels, thereby realizing the possibility that the vehicle can smoothly run on a rugged road surface. Therefore, the double-front-wheel vehicle not only inherits and optimizes the driving pleasure of the double-front-wheel vehicle, but also greatly improves the bearing capacity and the shock resistance of the vehicle.
In the prior art, in order to enable double front steering wheels to adapt to various different driving road conditions and ensure that the two front steering wheels and the driving rear wheel can be always in contact with uneven ground simultaneously, a parallelogram multi-shaft multi-rod linkage front wheel suspension mechanism capable of inclining is usually adopted, and the mechanism is complex in connection structure and high in cost. In addition, the above mechanism needs to have enough space to be mounted on the vehicle body, which easily causes the front volume of the vehicle, especially the track width of the two front wheels, to increase, resulting in deterioration of the stability and flexibility of the vehicle during steering.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects and shortcomings in the prior art, and provides a novel front wheel suspension tilting mechanism of a double-front-wheel vehicle, which realizes the miniaturization of the front part of the vehicle body, reduces the wheel track of the front wheel, and improves the running stability and steering flexibility of the vehicle; meanwhile, the integral structure can be simplified, the processing and assembling difficulty can be reduced, and the manufacturing cost can be effectively reduced.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the steering device comprises a frame, a left suspension assembly, a right suspension assembly, a rocker arm assembly and a steering device; the left suspension assembly and the right suspension assembly are symmetrically arranged on the left side and the right side of the frame through rocker arm assemblies; the front end of the frame is provided with a vehicle head vertical pipe. The rocker arm assembly comprises a left upper rocker arm, a right upper rocker arm, a lower front rocker arm and a lower rear rocker arm, wherein the left upper rocker arm and the right upper rocker arm are symmetrically and rotatably arranged on the left side and the right side of the upper part of the vehicle head stand pipe; the lower front rocker arm and the lower rear rocker arm are rotatably arranged on the front side and the rear side of the lower part of the vehicle head stand pipe; the steering device is mounted below the rocker arm assembly.
Specifically, the cross section of the upper left rocker arm is Y-shaped, one end of a Y-shaped opening of the upper left rocker arm forms a semi-enclosed cavity, and two sides of the cavity are coaxially provided with a left mounting hole respectively; the other end of the left upper rocker arm is provided with a right mounting hole and can be rotatably mounted on the vehicle head vertical pipe through the right mounting hole; the cross section of the right upper rocker arm is Y-shaped, one end of a Y-shaped opening of the right upper rocker arm forms a semi-enclosed cavity, and two sides of the cavity are coaxially provided with a right mounting hole respectively; the other end of the right upper rocker arm is provided with a left mounting hole and can be rotatably mounted on the head vertical pipe through the left mounting hole.
Preferably, the left suspension assembly comprises a left steering pipe, a left steering column, a left yoke plate and a left damping device; the left steering tube penetrates through one end of the Y-shaped opening of the left upper rocker arm to form a semi-enclosed cavity; the left side of the upper part of the left steering pipe is provided with a left upper rocker arm rotating bracket, and the front side and the rear side of the lower part of the left steering pipe are respectively provided with a lower front rocker arm left bracket and a lower rear rocker arm left bracket; the left steering column is rotatably mounted in the left steering tube; the left connecting plate is fixed at the lower end of the left steering column; the left yoke plate is provided with a left steering arm mounting bracket; the upper part of the left damping device is connected with the left connecting plate;
the right suspension assembly comprises a right steering pipe, a right steering column, a right yoke plate and a right damping device; the right steering tube penetrates through one end of the Y-shaped opening of the right upper rocker arm to form a semi-enclosed cavity; the right side of the upper part of the right steering pipe is provided with a right upper rocker arm rotating bracket, and the front side and the rear side of the lower part of the right steering pipe are respectively provided with a lower front rocker arm right bracket and a lower rear rocker arm right bracket; the right steering column is rotatably mounted in the right steering tube; the right yoke plate is fixed at the lower end of the right steering column; the right yoke plate is provided with a right steering arm mounting bracket; and the upper part of the right damping device is connected with the right yoke plate.
Preferably, a left upper rocker arm mounting bracket and a right upper rocker arm mounting bracket are respectively arranged on the left side and the right side of the upper part of the vehicle head vertical pipe, and a lower front rocker arm mounting bracket and a lower rear rocker arm mounting bracket are respectively arranged on the front side and the rear side of the lower part of the vehicle head vertical pipe; a rotatable middle steering column penetrates through the head vertical pipe, a steering handle is fixedly connected to the upper end of the head vertical pipe, a middle connecting plate is fixedly connected to the lower end of the head vertical pipe, and the middle connecting plate is provided with a middle steering arm mounting support.
Preferably, the lower front rocker arm is provided with a left mounting hole, a middle mounting hole and a right mounting hole, and the lower front rocker arm is rotatably connected with a left lower front rocker arm bracket of the left steering pipe, a right lower front rocker arm mounting bracket of the head vertical pipe and a right lower front rocker arm bracket of the right steering pipe respectively through the mounting holes;
the lower rear rocker arm is provided with a left mounting hole, a middle mounting hole and a right mounting hole, and the lower rear rocker arm is rotatably connected with a lower rear rocker arm left bracket of the left steering pipe, a lower rear rocker arm mounting bracket of the head vertical pipe and a lower rear rocker arm right bracket of the right steering pipe through the mounting holes respectively;
the left and right mounting holes of the left upper rocker arm and the left and middle mounting holes of the lower front and rear rocker arms form a parallelogram; the left and right mounting holes of the upper right rocker arm and the axes of the middle mounting hole and the right mounting hole of the lower front rocker arm and the lower rear rocker arm form a parallelogram, and the two parallelograms are distributed left and right along the axis of the head vertical pipe of the frame.
Preferably, the steering device is arranged above the left and right shock absorption devices and below the rocker arm assembly; the steering device comprises a steering push rod, and the steering push rod is provided with a left mounting hole, a middle mounting hole and a right mounting hole; the left mounting hole, the middle mounting hole and the right mounting hole are respectively provided with a left steering push rod bracket, a middle steering push rod bracket and a right steering push rod bracket which can rotate along the axes of the hole positions; the left steering push rod bracket, the middle steering push rod bracket and the right steering push rod bracket are respectively and rotatably arranged on the left steering arm, the middle steering arm and the right steering arm; the left steering arm, the middle steering arm and the right steering arm are respectively and fixedly connected to the left yoke plate, the middle yoke plate and the right yoke plate.
Preferably, in order to ensure the rigidity and strength of the entire rocker arm assembly, the lower front rocker arm and the lower rear rocker arm are members extending in the left-right direction and having rectangular cross sections, and the length of the cross sections in the up-down direction is greater than the length of the cross sections in the front-back direction.
Preferably, the distance between the axes of the left and right mounting holes of the steering push rod is greater than the distance between the axes of the left and right steering columns. Therefore, the trapezoidal steering structure is formed, the steering angle of the inner side wheel is larger than that of the outer side wheel when the vehicle steers, and the vehicle can smoothly steer.
As a preferred embodiment, a left steering push rod bracket, a middle steering push rod bracket and a right steering push rod bracket which can rotate along the up-and-down direction of the axis of the hole position and have a Y-shaped cross section are respectively arranged on the left mounting hole, the middle mounting hole and the right mounting hole on the steering push rod; the left steering push rod support, the middle steering push rod support and the right steering push rod support are rotatably arranged on the left steering arm, the middle steering arm and the right steering arm respectively along the front direction and the rear direction.
As another preferred embodiment, a left steering push rod bracket, a middle steering push rod bracket and a right steering push rod bracket which can rotate along the front and back directions of the axis of the hole position and have a U-shaped cross section are respectively arranged on the left mounting hole, the middle mounting hole and the right mounting hole on the steering push rod; the left steering push rod support, the middle steering push rod support and the right steering push rod support are respectively and rotatably arranged on the left steering arm, the middle steering arm and the right steering arm along the up-down direction.
Compared with the prior art, the utility model has the advantages of it is following:
1. according to the technical scheme, the rocker arm assembly and the steering device are arranged above the front wheels, so that the wheel track of the front wheels is effectively reduced, the front part of a vehicle body is miniaturized, and the steering flexibility of the vehicle is improved; all components of the mechanism can be compactly connected, the integral structure is effectively simplified, the processing precision and the assembly difficulty are reduced, and therefore the production cost is reduced.
2. The connecting mode of the technical scheme can ensure that the stress distribution of the mechanism is more reasonable, effectively improves the integral strength and rigidity of the mechanism, reduces the impact of the front wheel on the frame when the vehicle runs on a bumpy road surface, and prolongs the service life of the mechanism.
3. This technical scheme will turn to the device setting in damping device's top to the setting is in the below of rocking arm subassembly, effectively avoids damping device to the influence that the vehicle turned to, prevents to appear the vehicle by the bad phenomenon that forces turn to when damping device is in under compression or extension state and makes whole car about heeling.
In order to make the present invention more clearly understood, the following description will be made in conjunction with the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of a double front-wheel vehicle equipped with a front-wheel suspension tilting mechanism described in embodiment 1.
Fig. 2 is a schematic structural view of the front wheel suspension tilting mechanism of embodiment 1.
Fig. 3 is a schematic structural diagram of the rocker arm assembly according to embodiment 1, where (a) is a schematic diagram of the rocker arm assembly in a horizontal state, and (b) is a schematic diagram of the rocker arm assembly in an up-and-down rocking state.
Fig. 4 is a partial sectional view of the front wheel suspension tilting mechanism according to embodiment 1.
Fig. 5 is a schematic perspective view of the steering device according to embodiment 1.
Fig. 6 is a plan view of the front wheel suspension tilting mechanism according to embodiment 1.
Fig. 7 is a front view of a two-wheeled vehicle equipped with the front wheel suspension tilting mechanism according to embodiment 1 in a tilted state.
Fig. 8 is a front view of a two-wheeled vehicle equipped with the front wheel suspension tilting mechanism according to embodiment 1, which is steered in a tilted state.
Fig. 9 is a schematic perspective view of a steering device according to embodiment 2.
In the figure: 1-a vehicle frame; 11-a headstock vertical pipe; 111-intermediate steering column; 12-an upper left rocker arm mounting bracket; 13-upper right rocker mounting bracket; 14-lower front rocker mounting bracket; 15-lower rear rocker arm mounting bracket; 16-intermediate headers; 161-intermediate steering arm mounting bracket; 2-a left suspension assembly; 21 a left steering tube; 211-lower front rocker left bracket; 212-lower rear rocker left bracket; 22-left steering column; 23 left yoke plate; 24-a left shock absorbing device; 25-upper left rocker arm rotating bracket; 26-left steering arm; 27-a left steering arm mounting bracket; 3-a right suspension assembly; 31-right steering tube; 311-lower front rocker right bracket; 312-lower rear rocker right bracket; 32-right steering column; 33-right yoke plate; 34-right damping device; 35-upper right rocker arm rotation bracket; 36-right steering arm; 37-right steering arm mounting bracket; 4-a rocker arm assembly; 41-upper left rocker arm; 42-upper right rocker arm; 43-lower front rocker arm; 44-lower rear rocker arm; 5-a steering device; 51-a steering push rod; 52-left steering pushrod support; 53-intermediate steering pushrod support; 54-right steering pushrod support; 55-intermediate steering arm; 6-steering handle; 7-left front wheel; 8-right front wheel.
Detailed Description
Example 1
In the following description, when directions of up, down, front, rear, and left are indicated, unless otherwise noted, the directions of up, down, front, rear, and left are directions as viewed from a driver driving a vehicle, and the up and down directions include a vertical direction and a substantially up and down direction inclined from the vertical direction; the front, rear, left and right directions include a horizontal direction and substantially front, rear, left and right directions inclined to the horizontal direction. As used in the following description, the following terms are used: the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", "middle", and the like are used for convenience of description and are not intended to limit the scope of the present invention, and changes or modifications in the relative relationship thereof, if there is no substantial change in the technical content, should be regarded as the scope of the present invention.
Fig. 1 is a schematic structural view of a tandem front wheel vehicle equipped with a front wheel suspension tilting mechanism according to embodiment 1, and illustrates a vehicle having two front wheels and one rear wheel. The power unit mounted on the vehicle may be a drive unit such as an engine or a motor, a transmission, or the like.
Referring to fig. 2 to 6, the front wheel suspension tilting mechanism of a dual front wheel vehicle provided in the present embodiment mainly comprises a frame 1, a left suspension assembly 2, a right suspension assembly 3, a rocker arm assembly 4 and a steering device 5. The left suspension assembly 2 and the right suspension assembly 3 are symmetrically arranged on the left side and the right side of the frame 1 through rocker arm assemblies 4; the front end of the frame 1 is provided with a vehicle head vertical pipe 11. The rocker arm assembly 4 comprises a left upper rocker arm 41, a right upper rocker arm 42, a lower front rocker arm 43 and a lower rear rocker arm 44, wherein the left upper rocker arm 41 and the right upper rocker arm 42 are symmetrically and rotatably arranged on the left side and the right side of the upper part of the head tube 11; the lower front rocker arm 43 and the lower rear rocker arm 44 are rotatably arranged on the front side and the rear side of the lower part of the head tube 11; the steering device 5 is mounted below the rocker arm assembly 4.
Specifically, a left upper rocker arm mounting bracket 12 and a right upper rocker arm mounting bracket 13 are respectively arranged on the left side and the right side of the upper part of the head riser 11, and a lower front rocker arm mounting bracket 14 and a lower rear rocker arm mounting bracket 15 are respectively arranged on the front side and the rear side of the lower part of the head riser 11. A rotatable middle steering column 111 penetrates through the head riser 11, a steering handle 6 is fixedly connected to the upper end of the head riser, a middle yoke plate 16 is fixedly connected to the lower end of the head riser, and a middle steering arm mounting bracket 161 is arranged on the middle yoke plate 16.
Specifically, the cross section of the left upper rocker arm 41 is Y-shaped, a semi-enclosed cavity is formed at one end of a Y-shaped opening of the left upper rocker arm, and a left mounting hole is coaxially arranged on each of two sides of the cavity; the other end of the upper left rocker arm 41 is provided with a right mounting hole, and the right mounting hole is rotatably mounted on the head riser 11. Similarly, the cross section of the right upper rocker arm 42 is Y-shaped, one end of the Y-shaped opening of the right upper rocker arm forms a semi-enclosed cavity, and two sides of the cavity are coaxially provided with a right mounting hole respectively; the other end of the right upper rocker arm 42 is provided with a left mounting hole, and the left mounting hole is rotatably mounted on the head riser 11.
Specifically, the left suspension assembly 2 includes a left steering tube 21, a left steering column 22, a left link plate 23, and a left shock absorbing device 24. The left steering tube 21 penetrates through one end of a Y-shaped opening of the left upper rocker arm 41 to form a semi-enclosed cavity; the left side of the upper part of the left steering pipe 21 is provided with a left upper rocker arm rotating bracket 25, and the front side and the rear side of the lower part of the left steering pipe 21 are respectively provided with a lower front rocker arm left bracket 211 and a lower rear rocker arm left bracket 212. The left steering column 22 is rotatably mounted in the left steering tube 21. The left yoke plate 23 is fixed at the lower end of the left steering column 22; the left yoke plate 23 is provided with a left steering arm mounting bracket 27. The upper part of the left shock absorbing device 24 is connected with the left yoke plate 23.
The right suspension assembly 3 includes a right steering tube 31, a right steering column 32, a right yoke plate 33, and a right shock absorbing device 34. The right steering tube 31 is arranged in a semi-enclosed cavity formed at one end of a Y-shaped opening of the right upper rocker arm 42 in a penetrating manner; the right side of the upper part of the right steering pipe 31 is provided with a right upper rocker arm rotating bracket 35, and the front and rear sides of the lower part of the right steering pipe 31 are respectively provided with a lower front rocker arm right bracket 311 and a lower rear rocker arm right bracket 312. The right steering column 32 is rotatably installed in the right steering tube 31. The right yoke plate 33 is fixed to the lower end of the right steering column 32; the right yoke plate 33 is provided with a right steering arm mounting bracket 37. The upper part of the right shock absorbing device 34 is connected with the right yoke plate 33.
The lower front rocker 43 is provided with a left mounting hole, a middle mounting hole and a right mounting hole, and the lower front rocker 43 is rotatably connected with the lower front rocker left bracket 211 of the left steering pipe 21, the lower front rocker mounting bracket 14 of the head riser 11 and the lower front rocker right bracket 311 of the right steering pipe 31 through the mounting holes respectively.
The lower rear rocker arm 44 is provided with a left mounting hole, a middle mounting hole and a right mounting hole, and the lower rear rocker arm 44 is rotatably connected with the lower rear rocker arm left bracket 212 of the left steering pipe 21, the lower rear rocker arm mounting bracket 15 of the head riser 11 and the lower rear rocker arm right bracket 312 of the right steering pipe 31 through the mounting holes.
Please refer to fig. 3, which is a schematic structural diagram of the rocker arm assembly according to embodiment 1, wherein (a) is a schematic diagram of the rocker arm assembly in a horizontal state, and (b) is a schematic diagram of the rocker arm assembly in an up-and-down rocking state. When the vehicle is in an upright state, a parallelogram is formed by the projection points of the left mounting hole axis A and the right mounting hole axis B of the left upper rocker arm 41, the left mounting hole axis E of the lower front rocker arm and the left mounting hole axis B of the lower rear rocker arm and the middle mounting hole axis F in the vertical direction when the vehicle is observed from the right front of the vehicle; projection points of the left mounting hole axis C and the right mounting hole axis D of the right upper rocker arm 42 and the middle mounting hole axis F and the right mounting hole axis G of the lower front rocker arm and the lower rear rocker arm in the vertical direction form a parallelogram, and as shown in fig. 3 (a), the two parallelograms are distributed in bilateral symmetry along the axis of the head riser 11.
When the vehicle is in a roll state, the rocker arm assembly 4 will perform up-and-down swinging, as shown in (b) of fig. 3, under the driving of the lower front and rear rocker arms, the two parallelograms will rotate around the axis F, because the projected point of B, C, F is fixed on the head riser of the vehicle frame, and the projected point of E, F, G is on the same straight line, as a result of the rotation of the two parallelograms, the left and right steering tubes will always perform associated movement in the up-and-down direction parallel to the axis of the head riser 11, and the distance of the upward (down) movement of the left steering tube is equal to the distance of the downward (up) movement of the right steering tube, thereby realizing the up-and-down movement of the left and right front wheels in association with each other, ensuring that the two front wheels of the vehicle are always grounded simultaneously, and improving the safety and stability of the vehicle.
In order to improve the rigidity and strength of the rocker arm assembly as a whole, the lower front rocker arm 43 and the lower rear rocker arm 44 are members extending in the left-right direction and having rectangular cross sections, and as shown in fig. 4, the length L1 in the up-down direction is greater than the length L2 in the front-back direction.
Please refer to fig. 5, which is a perspective view of the steering apparatus according to embodiment 1. The steering device 5 of the present embodiment includes a steering push rod 51, and the steering push rod 51 is provided with a left mounting hole, a middle mounting hole and a right mounting hole; the left mounting hole, the middle mounting hole and the right mounting hole are respectively provided with a left steering push rod bracket 52, a middle steering push rod bracket 53 and a right steering push rod bracket 54 which can rotate along the up and down direction of the axis of the hole and have a Y-shaped cross section. The left steering push rod bracket 52, the middle steering push rod bracket 53 and the right steering push rod bracket 54 are respectively and rotatably arranged on the left steering arm 26, the middle steering arm 55 and the right steering arm 36 along the front and rear directions; the left steering arm 26, the middle steering arm 55 and the right steering arm 36 are respectively and fixedly connected to the left steering arm mounting bracket 27 of the left link plate 23, the middle steering arm mounting bracket 161 of the middle link plate 16 and the right steering arm mounting bracket 37 of the right link plate 33.
The left steering column 22 is mounted in the left steering tube 21 through bearing components arranged at the upper end and the lower end, and can only rotate around the axis of the left steering tube 21 and cannot move up and down relative to the left steering tube 21 along the axis. The middle steering column 111 is installed in the head riser 11 through a bearing part arranged at the upper end and the lower end, and can only rotate around the axis of the head riser 11 and cannot move up and down relative to the head riser 11 along the axis. The right steering column 32 is installed in the right steering pipe 31 through a bearing member provided at an upper end and a lower end, and is rotatable only about an axis of the right steering pipe 31 and not movable up and down along the axis relative to the right steering pipe 31.
Fig. 6 is a top view of the front wheel suspension tilting mechanism according to embodiment 1. The distance between the left and right mounting hole axes of the steering push rod 51 is greater than the distance between the left and right steering column axes. The projection points of the four axes in the horizontal direction form an isosceles trapezoid, and the trapezoid steering structure can enable a vehicle to turn more smoothly, so that the riding comfort of a driver during steering of the vehicle is improved.
Reference is now made to fig. 7, which is a front view of a two-wheeled vehicle equipped with the front wheel suspension tilting mechanism according to embodiment 1, in a tilted state, together with reference to fig. 3. When a two-wheeled vehicle equipped with the front wheel suspension tilting mechanism of embodiment 1 tilts to the left, the center of gravity of the vehicle shifts to the left and drives the lower front and rear rocker arms to rotate around the axis F; simultaneously, the upper left rocker arm rotates upwards around the axis B, and the upper right rocker arm rotates downwards around the axis C; under the drive of the rocker arm assembly, the left suspension assembly moves upwards and the right suspension assembly moves downwards, the moving distances of the left suspension assembly and the right suspension assembly are equal, and two front wheels land on the ground all the time in the whole inclination process, so that the vehicle is ensured to run stably.
Fig. 8 is a front view of a two-wheeled vehicle equipped with the front wheel suspension tilting mechanism according to embodiment 1, shown steered in a tilted state. When a two-wheeled vehicle equipped with the front wheel suspension tilting mechanism of embodiment 1 tilts to the left and the driver operates the steering handle 6 to turn left at the same time, the rocker arm assembly 4 drives the left suspension assembly 2 to move upwards and the right suspension assembly 3 to move downwards synchronously; meanwhile, the steering device 5 can rotate respectively in the up-down direction and the front-back direction, the steering action of the steering handlebar 6 is transmitted to the left suspension assembly and the right suspension assembly, and the left suspension assembly and the right suspension assembly can rotate leftwards around respective axes respectively, so that the left front wheel and the right front wheel can always land simultaneously when the whole vehicle inclines and steers, and the vehicle can be ensured to run stably.
Example 2
In the present embodiment, the steering push rod 51 'included in the steering device 5' is also provided with a left mounting hole, a middle mounting hole and a right mounting hole; the left mounting hole, the middle mounting hole and the right mounting hole are respectively provided with a left steering push rod bracket 52 ', a middle steering push rod bracket 53 ' and a right steering push rod bracket 54 ', which can rotate along the front and back directions of the axes of the hole positions and have U-shaped cross sections. The left steering push rod bracket 52 ', the middle steering push rod bracket 53' and the right steering push rod bracket 54 'are respectively and rotatably arranged on the left steering arm 26', the middle steering arm 55 'and the right steering arm 36' along the up-down direction; the left steering arm 26 ', the middle steering arm 55 ' and the right steering arm 36 ' are respectively and fixedly connected to the left steering arm mounting bracket 27 ' of the left link plate 23 ', the middle steering arm mounting bracket 161 ' of the middle link plate 16 ' and the right steering arm mounting bracket 37 ' of the right link plate 33 '.
By adopting the structure and the connection mode, the steering device can respectively rotate around the up-down direction and the front-back direction, and when the rocker arm component swings up and down, the left suspension component and the right suspension component can still be pushed to respectively rotate left or right around respective axes, so that the left front wheel and the right front wheel can always touch the ground simultaneously when the vehicle inclines and steers.
The above is a detailed description of different embodiments of the present invention, and is only used to help understanding the technical solution and the working principle disclosed in the present invention, and is not used to limit the embodiments and the application scope of the present invention. If various changes, modifications and/or combinations of the present invention can be made without departing from the spirit and scope of the present invention, the present invention also includes such changes, modifications and/or combinations if they fall within the scope of the claims and their equivalents.
Claims (10)
1. A front wheel suspension tilting mechanism of a double-front-wheel vehicle comprises a frame, a left suspension assembly, a right suspension assembly, a rocker arm assembly and a steering device; the left suspension assembly and the right suspension assembly are symmetrically arranged on the left side and the right side of the frame through rocker arm assemblies; a vehicle head vertical pipe is arranged at the front end of the vehicle frame; the method is characterized in that: the rocker arm assembly comprises a left upper rocker arm, a right upper rocker arm, a lower front rocker arm and a lower rear rocker arm, wherein the left upper rocker arm and the right upper rocker arm are symmetrically and rotatably arranged on the left side and the right side of the upper part of the vehicle head stand pipe; the lower front rocker arm and the lower rear rocker arm are rotatably arranged on the front side and the rear side of the lower part of the vehicle head stand pipe; the steering device is mounted below the rocker arm assembly.
2. A front wheel suspension tilting mechanism of a double front wheel vehicle according to claim 1, characterized in that: the cross section of the upper left rocker arm is Y-shaped, one end of a Y-shaped opening of the upper left rocker arm forms a semi-enclosed cavity, and two sides of the cavity are coaxially provided with a left mounting hole respectively; the other end of the left upper rocker arm is provided with a right mounting hole and can be rotatably mounted on the vehicle head vertical pipe through the right mounting hole; the cross section of the right upper rocker arm is Y-shaped, one end of a Y-shaped opening of the right upper rocker arm forms a semi-enclosed cavity, and two sides of the cavity are coaxially provided with a right mounting hole respectively; the other end of the right upper rocker arm is provided with a left mounting hole and can be rotatably mounted on the head vertical pipe through the left mounting hole.
3. A front wheel suspension tilting mechanism of a double front wheel vehicle according to claim 2, characterized in that:
the left suspension assembly comprises a left steering pipe, a left steering column, a left yoke plate and a left damping device; the left steering tube penetrates through one end of the Y-shaped opening of the left upper rocker arm to form a semi-enclosed cavity; the left side of the upper part of the left steering pipe is provided with a left upper rocker arm rotating bracket, and the front side and the rear side of the lower part of the left steering pipe are respectively provided with a lower front rocker arm left bracket and a lower rear rocker arm left bracket; the left steering column is rotatably mounted in the left steering tube; the left connecting plate is fixed at the lower end of the left steering column; the left yoke plate is provided with a left steering arm mounting bracket; the upper part of the left damping device is connected with the left connecting plate;
the right suspension assembly comprises a right steering pipe, a right steering column, a right yoke plate and a right damping device; the right steering tube penetrates through one end of the Y-shaped opening of the right upper rocker arm to form a semi-enclosed cavity; the right side of the upper part of the right steering pipe is provided with a right upper rocker arm rotating bracket, and the front side and the rear side of the lower part of the right steering pipe are respectively provided with a lower front rocker arm right bracket and a lower rear rocker arm right bracket; the right steering column is rotatably mounted in the right steering tube; the right yoke plate is fixed at the lower end of the right steering column; the right yoke plate is provided with a right steering arm mounting bracket; and the upper part of the right damping device is connected with the right yoke plate.
4. A front wheel suspension tilting mechanism of a double front wheel vehicle according to claim 3, characterized in that: a left upper rocker arm mounting bracket and a right upper rocker arm mounting bracket are respectively arranged on the left side and the right side of the upper part of the head vertical pipe, and a lower front rocker arm mounting bracket and a lower rear rocker arm mounting bracket are respectively arranged on the front side and the rear side of the lower part of the head vertical pipe; a rotatable middle steering column penetrates through the head vertical pipe, a steering handle is fixedly connected to the upper end of the head vertical pipe, a middle connecting plate is fixedly connected to the lower end of the head vertical pipe, and the middle connecting plate is provided with a middle steering arm mounting support.
5. The front wheel suspension tilting mechanism of a double front wheel vehicle according to claim 4, characterized in that:
the lower front rocker arm is provided with a left mounting hole, a middle mounting hole and a right mounting hole, and the lower front rocker arm is rotatably connected with a lower front rocker arm left bracket of the left steering pipe, a lower front rocker arm mounting bracket of the head vertical pipe and a lower front rocker arm right bracket of the right steering pipe respectively through the mounting holes;
the lower rear rocker arm is provided with a left mounting hole, a middle mounting hole and a right mounting hole, and the lower rear rocker arm is rotatably connected with a lower rear rocker arm left bracket of the left steering pipe, a lower rear rocker arm mounting bracket of the head vertical pipe and a lower rear rocker arm right bracket of the right steering pipe through the mounting holes respectively;
the left and right mounting holes of the left upper rocker arm and the left and middle mounting holes of the lower front and rear rocker arms form a parallelogram; the left and right mounting holes of the upper right rocker arm and the axes of the middle mounting hole and the right mounting hole of the lower front rocker arm and the lower rear rocker arm form a parallelogram, and the two parallelograms are distributed left and right along the axis of the head vertical pipe of the frame.
6. A front wheel suspension tilting mechanism of a double front wheel vehicle according to claim 3, characterized in that: the steering device is arranged above the left and right shock absorption devices and below the rocker arm assembly; the steering device comprises a steering push rod, and the steering push rod is provided with a left mounting hole, a middle mounting hole and a right mounting hole; the left mounting hole, the middle mounting hole and the right mounting hole are respectively provided with a left steering push rod bracket, a middle steering push rod bracket and a right steering push rod bracket which can rotate along the axes of the hole positions; the left steering push rod bracket, the middle steering push rod bracket and the right steering push rod bracket are respectively and rotatably arranged on the left steering arm, the middle steering arm and the right steering arm; the left steering arm, the middle steering arm and the right steering arm are respectively and fixedly connected to the left yoke plate, the middle yoke plate and the right yoke plate.
7. A front wheel suspension tilting mechanism of a double front wheel vehicle according to any one of claims 1 to 6, characterized in that: the lower front rocker arm and the lower rear rocker arm are components which extend along the left-right direction and have rectangular sections, and the length of the sections in the up-down direction is greater than the length of the sections in the front-back direction.
8. A front wheel suspension tilting mechanism of a double front wheel vehicle according to claim 6, characterized in that: the distance between the axes of the left and right mounting holes of the steering push rod is greater than that between the axes of the left and right steering columns.
9. A front wheel suspension tilting mechanism of a double front wheel vehicle according to claim 6, characterized in that: a left steering push rod bracket, a middle steering push rod bracket and a right steering push rod bracket which can rotate along the up and down direction of the axis of the hole position and have a Y-shaped cross section are respectively arranged on the left mounting hole, the middle mounting hole and the right mounting hole on the steering push rod; the left steering push rod support, the middle steering push rod support and the right steering push rod support are rotatably arranged on the left steering arm, the middle steering arm and the right steering arm respectively along the front direction and the rear direction.
10. A front wheel suspension tilting mechanism of a double front wheel vehicle according to claim 6, characterized in that: a left steering push rod bracket, a middle steering push rod bracket and a right steering push rod bracket which can rotate along the front and back directions of the axis of the hole position and have a U-shaped cross section are respectively arranged on the left mounting hole, the middle mounting hole and the right mounting hole on the steering push rod; the left steering push rod support, the middle steering push rod support and the right steering push rod support are respectively and rotatably arranged on the left steering arm, the middle steering arm and the right steering arm along the up-down direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485059.2U CN210011830U (en) | 2019-04-09 | 2019-04-09 | Front wheel suspension tilting mechanism of double-front-wheel vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920485059.2U CN210011830U (en) | 2019-04-09 | 2019-04-09 | Front wheel suspension tilting mechanism of double-front-wheel vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210011830U true CN210011830U (en) | 2020-02-04 |
Family
ID=69314807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920485059.2U Withdrawn - After Issue CN210011830U (en) | 2019-04-09 | 2019-04-09 | Front wheel suspension tilting mechanism of double-front-wheel vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210011830U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895912A (en) * | 2019-04-09 | 2019-06-18 | 五羊—本田摩托（广州）有限公司 | A kind of front wheel suspension leaning device of two front wheels vehicle |
-
2019
- 2019-04-09 CN CN201920485059.2U patent/CN210011830U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109895912A (en) * | 2019-04-09 | 2019-06-18 | 五羊—本田摩托（广州）有限公司 | A kind of front wheel suspension leaning device of two front wheels vehicle |
| CN109895912B (en) * | 2019-04-09 | 2024-03-15 | 五羊—本田摩托（广州）有限公司 | Front wheel suspension tilting mechanism of double front wheel vehicle |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109895912B (en) | Front wheel suspension tilting mechanism of double front wheel vehicle | |
| US7909340B2 (en) | Vehicle with improved integrated steering and suspension system | |
| CN108116577B (en) | Three-wheeled electric vehicle capable of tilting sideways | |
| EP1894753B1 (en) | Structure for enabling independently suspended wheels to lean with vehicle hull | |
| US20110031716A1 (en) | Tricycle and Steering Mechanism Therefor | |
| JP2008168893A (en) | Rolling vehicle provided with two front steering wheels and at least one rear driving wheel | |
| CN109436157B (en) | Steering system of double-front-wheel vehicle | |
| JP2013233895A (en) | Vehicle | |
| USRE44854E1 (en) | Vehicle with improved integrated steering and suspension system | |
| CN109878616A (en) | The support steering mechanism of two front wheels motorcycle | |
| CN115768683A (en) | Front chassis system of inclined automobile | |
| CN102180210B (en) | Laterally-leaning positive tricycle | |
| CN210011830U (en) | Front wheel suspension tilting mechanism of double-front-wheel vehicle | |
| JPH06183365A (en) | Suspension device for vehicle | |
| CN102785735A (en) | Pedal type motor tricycle with two wheels on front side | |
| CN113734335A (en) | Reverse tricycle with switchable driving modes | |
| LT6792B (en) | Leaning tricycle and its steering and leaning method | |
| KR100320806B1 (en) | suspension system for electric vehicles | |
| JP2010052624A (en) | Vehicle | |
| US11407468B2 (en) | Multifunctional vehicle | |
| US11511821B2 (en) | Leaning vehicle and vehicle leaning unit | |
| KR200486043Y1 (en) | Two-Wheeled Vehicle and Dual front wheel tilting Combined with steering device | |
| CN202847868U (en) | Automatic side-inclination single-rear-wheel drive tricycle suspension | |
| JP2022528168A (en) | Tilt vehicle with tilt lock device | |
| CN216102565U (en) | Reverse tricycle with switchable driving modes |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200204 Effective date of abandoning: 20240315 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20200204 Effective date of abandoning: 20240315 |