CN211995985U

CN211995985U - Motor tricycle

Info

Publication number: CN211995985U
Application number: CN202020491629.1U
Authority: CN
Inventors: 孙砚丰; 左金俊; 亓卫星; 闫仲恩; 郑纯强; 刘运金; 张则顺; 林帅帅
Original assignee: Lovol Heavy Industry Co Ltd
Current assignee: Shandong Wuxing Vehicle Co ltd; Weichai Lovol Intelligent Agricultural Technology Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-11-24
Anticipated expiration: 2030-04-07

Abstract

The utility model relates to a motor tricycle, which comprises a frame, a container, a seat and a damping mechanism upward-moving type front suspension, wherein the damping mechanism upward-moving type front suspension comprises a damping mechanism, a front fork mechanism, a steering mechanism and a steering transmission mechanism, and the upper part of the front fork mechanism is rotationally connected with the lower part of the damping mechanism; the lower end of the front fork mechanism is used for being connected with the wheels of the tricycle; the steering mechanism and the front fork mechanism are arranged in front and at back; the lower part of the steering mechanism is connected with the front fork mechanism through a steering transmission mechanism; when the steering mechanism rotates, the steering transmission mechanism drives the front fork mechanism to rotate, so that torque transmission is realized; the damping mechanism of the utility model moves upwards to be far away from the ground and the front wheel, thus avoiding the erosion of muddy water and the like to the damping mechanism; the utility model discloses leave sufficient operating space under the prerequisite that does not change whole car length, improve human-machine engineering's travelling comfort, turn to not only nimble but also light.

Description

Motor tricycle

Technical Field

The utility model relates to a motor vehicle field especially relates to a motor tricycle.

Background

At present, the transportation market tricycle occupies a certain proportion, and along with the continuous deepening of each region friction limiting policy strength, the market sales volume of the tricycle is tending to the trend of descending every year, but the length of a container required by a user is continuously lengthened, and the requirement on the driving comfort of a vehicle is continuously improved. The existing tricycle front suspension damping mechanisms are distributed on the left side and the right side of a front wheel, the damping mechanisms have the function of damping up and down under the action of torsion force generated when the front wheel turns left and right, and the damping effect and the service life of the damping mechanisms are influenced by the torsion force generated when the wheel turns; in addition, the ground clearance of the front suspension damping mechanism of the structure is too small, so that soil, water and the like are easy to enter to cause the failure problems of rusting, oil leakage and the like of the damping mechanism; in terms of comfort, if the container is only lengthened, the driving operation space is narrow, steering is heavy, and therefore the ergonomic comfort is poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that tricycle front suspension shock attenuation effect is poor, the life-span is short, the operation space local is short, turn to heavy problem, the utility model provides an improve the motor tricycle of human engineering and driving comfort.

The utility model provides an above-mentioned technical problem's technical scheme as follows: a motor tricycle comprises a front wheel and two rear wheels,

the front wheel and the two rear wheels are arranged on the lower side of the frame, and the shock absorption mechanism upward-moving front suspension is connected with the front end of the frame; the seat and the container are sequentially arranged on the frame from front to back;

the upward-moving front suspension of the damping mechanism comprises a damping mechanism, a front fork mechanism, a steering mechanism and a steering transmission mechanism,

the upper part of the front fork mechanism is rotationally connected with the lower part of the damping mechanism to move the damping mechanism upwards; the lower end of the front fork mechanism is connected with the front wheel;

the steering mechanism and the front fork mechanism are arranged in front and at the back;

the lower part of the steering mechanism is connected with the front fork mechanism through the steering transmission mechanism;

the shock absorption mechanism and/or the steering mechanism are/is connected with the frame;

when the steering mechanism rotates, the steering transmission mechanism drives the front fork mechanism to rotate, and torque transmission is achieved.

On the basis of the technical scheme, the utility model discloses can also do following improvement.

Further, the damping mechanism comprises a lower support device and a damping device, and the lower part of the damping device is rotatably connected with the upper part of the front fork mechanism through the lower support device.

The tricycle further comprises an upper supporting device, the upper supporting device is fixedly connected with a frame of the tricycle, and the damping device is fixedly connected with the upper supporting device and/or the frame of the tricycle.

Furthermore, the damping device comprises a plurality of dampers, and the lower parts of the dampers are rotatably connected with the upper part of the front fork mechanism through a lower supporting device.

Further, the front fork mechanism comprises a direction column and a front fork device, the lower end of the direction column is fixedly connected with the upper end of the front fork device, and the direction column is rotatably connected with the lower part of the damping mechanism; the front wheel is mounted at the lower end of the front fork device; the steering mechanism is connected with the steering column through the steering transmission mechanism and drives the steering column to rotate, so that the front fork device is driven to rotate, and the steering of the front wheel is realized.

Further, the steering mechanism comprises a steering handle or a steering wheel, and further comprises a handle seat and a steering shaft, wherein the steering handle or the steering wheel is installed at the upper end of the steering shaft through the handle seat, and the lower end of the steering shaft is connected with the steering transmission mechanism.

Further, the steering transmission mechanism is one of connecting rod transmission, chain wheel and chain transmission, belt and pulley transmission, gear and rack transmission, worm and gear transmission or gear and gear ring transmission.

Furthermore, when the steering transmission mechanism is in link transmission, the steering transmission mechanism comprises a steering arm, a rocker arm and a first tie rod, the front end and the rear end of the first tie rod are respectively connected with the rocker arm and one end of the steering arm through a steering pin, and the other ends of the rocker arm and the steering arm are respectively connected with the lower end of the steering mechanism and the upper end of the front fork mechanism

Further, when turning to drive mechanism for sprocket chain drive, including sprocket one, sprocket two and chain, sprocket one and sprocket two respectively with steering mechanism's lower extreme with the upper end of front fork mechanism is connected, sprocket one and sprocket two pass the chain is connected.

Further, when the steering transmission mechanism is in gear-rack transmission, the steering transmission mechanism comprises a first gear, a rack and a first connecting rod, the first gear is connected with the steering mechanism and meshed with the rack, and one end of the rack is connected with the front fork mechanism through the first connecting rod; the first gear rotates along with the steering mechanism to drive the rack to move, and then the first connecting rod drives the front fork mechanism to rotate so as to steer the front wheel.

Further, when the steering transmission mechanism is driven by a gear and a gear ring, the steering transmission mechanism comprises a second gear and a gear ring, the second gear is fixedly connected with the steering mechanism and penetrates through the gear ring to be meshed with the inner side of the gear ring, and the gear ring is fixedly connected with the front fork mechanism; the second gear rotates along with the steering mechanism to drive the gear ring to rotate, and further drives the front fork mechanism to rotate, so that the front wheel is steered.

Furthermore, when the steering transmission mechanism is driven by a worm gear and a worm, the steering transmission mechanism comprises a worm gear and worm structure, a second tie rod and a second connecting rod, wherein the input end of the worm gear and worm structure is connected with the steering mechanism, the output end of the worm gear and worm structure is connected with one end of the second tie rod through a steering pin, the other end of the second tie rod is connected with one end of the second connecting rod through a steering pin, and the other end of the second connecting rod is fixedly connected with the front fork mechanism.

The utility model has the advantages that: 1. through last strutting arrangement and lower support device's upper and lower setting, and install damper between last strutting arrangement and lower support device, and the upper end of front fork mechanism links to each other with lower support device, and the lower extreme of front fork mechanism is used for with the wheel connection, realizes shifting up the purpose on the upper portion of front fork mechanism with damper, the utility model discloses a damper shifts up, keeps away from ground and front wheel, avoids muddy water etc. to damper's erosion.

2. Through steering mechanism with the front fork mechanism is arranged around, with the steering mechanism antedisplacement, the front wheel position is unchangeable, can realize the corresponding increase of packing box length with the seat antedisplacement, and leaves sufficient operating space under the prerequisite that does not change whole car length, improves ergonomic's travelling comfort.

3. By adjusting the transmission ratio of the steering transmission mechanism, the force applied to the steering control device by a driver in the steering process is reduced, and meanwhile, the swinging and hitting phenomenon of the steering control device in the driving process is reduced, so that the steering is light, and the driving is more stable.

4. Through the upper supporting device and the frame are fixed together, compared with the traditional front suspension which is fixedly installed together with a head pipe on the frame through a bearing through a direction column, the problem that the head pipe cannot move up and down along with a damping mechanism is solved.

Drawings

Fig. 1 is a schematic view of an embodiment of a motor tricycle according to the present invention;

FIG. 2 is a schematic view of a motor tricycle with parts removed

Fig. 3 is a schematic view illustrating the installation of the upward-moving front suspension and the wheel of the shock absorbing mechanism according to an embodiment of the present invention;

FIG. 4 is a left side view of FIG. 3;

FIG. 5 is an enlarged view of a portion of FIG. 3;

fig. 6 is a schematic view of an embodiment of a frame of the present invention;

fig. 7 is a schematic view of another embodiment of the middle frame of the present invention.

Fig. 8 is a schematic view of the mounting of the upward-moving front suspension and the wheel of the shock absorbing mechanism according to another embodiment of the present invention;

FIG. 9 is a left side view of FIG. 8;

FIG. 10 is a schematic view of an embodiment of the present invention in which the steering transmission mechanism is a chain wheel and chain transmission;

fig. 11 is a schematic view of an embodiment of the present invention in which the steering transmission mechanism is a rack-and-pinion transmission;

fig. 12 is a schematic view of an embodiment of the present invention in which the steering transmission mechanism is a geared ring gear transmission;

fig. 13 is a schematic view of an embodiment of the present invention in which the steering transmission mechanism is a worm gear and worm transmission;

fig. 14 is a schematic view of the mounting of the upward-moving front suspension and the wheel of the shock absorbing mechanism according to another embodiment of the present invention;

fig. 15 is a left side view of fig. 14.

In the drawings, the components represented by the respective reference numerals are listed below:

1. an upper support device; 21, a left damping device; 22, a right damping device; 3. a shock absorbing guide; 4. A lower support means; 5. a direction post; 6. a front fork device; 7. a direction bearing seat; 8. a steering shaft seat; 9. A front wheel; 10. a steering shaft; 12. a steering arm; 13. a rocker arm; 14. a tie rod I; 15. a steering pin; 16. a direction handle; 17. a handle seat; 18. a steering shaft sheath; 19. a frame; 20. a front vertical beam; 23. A cargo box; 24. a seat; 25. a cover; 26. a headlamp; 27. a rear wheel; 101. the chain wheel I, 102, the chain wheel II, 103, the chain, 112, the rack, 113, the connecting rod I, 122, the gear ring, 131, the worm gear structure, 132, the tie rod II, 133 and the connecting rod II.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 to 13, a three-wheeled motorcycle includes a front wheel and two rear wheels,

As shown in fig. 1 to 13, the motor tricycle has a shock absorbing mechanism including a lower support device and a shock absorbing device, and the lower part of the shock absorbing mechanism is rotatably connected to the upper part of the front fork mechanism through the lower support device.

As shown in fig. 1-13, the tricycle further comprises an upper support device, the upper support device is fixedly connected with the frame of the tricycle, and the shock absorption device is fixedly connected with the upper support device and/or the frame of the tricycle.

As shown in fig. 1-13, the upward-moving front suspension of the shock absorbing mechanism of the tricycle further comprises a shock absorbing guide device, one end of the shock absorbing guide device is slidably connected with the upper supporting device and/or the frame of the tricycle, and the other end of the shock absorbing guide device is fixedly connected with the lower supporting device.

As shown in fig. 1 to 13, the shock absorbing device of the motor tricycle comprises a plurality of shock absorbers, and the lower parts of the shock absorbers are rotatably connected with the upper part of the front fork mechanism through a lower supporting device.

As shown in fig. 1 to 13, the front fork mechanism of the motor tricycle comprises a steering column and a front fork device, wherein the lower end of the steering column is fixedly connected with the upper end of the front fork device, and the steering column is rotatably connected with the lower part of the damping mechanism; the front wheel is mounted at the lower end of the front fork device; the steering mechanism is connected with the steering column through the steering transmission mechanism and drives the steering column to rotate, so that the front fork device is driven to rotate, and the steering of the front wheel is realized.

As shown in fig. 1 to 13, the steering mechanism includes a steering handle or a steering wheel, and further includes a handle seat and a steering shaft, the steering handle or the steering wheel is mounted on the upper end of the steering shaft through the handle seat, and the lower end of the steering shaft is connected to the steering transmission mechanism.

As shown in fig. 1 to 13, the steering transmission mechanism is one of a link transmission, a sprocket chain transmission, a belt pulley transmission, a rack-and-pinion transmission, a worm gear transmission or a gear and gear ring transmission.

As shown in fig. 1 to 13, when the steering transmission mechanism is a link transmission, the three-wheeled motorcycle comprises a steering arm, a rocker arm and a tie rod i, wherein the front end and the rear end of the tie rod i are respectively connected with the rocker arm and one end of the steering arm through a steering pin, and the other ends of the rocker arm and the steering arm are respectively connected with the lower end of the steering mechanism and the upper end of the front fork mechanism.

Specifically, in one embodiment, as shown in fig. 1-10, a motor tricycle comprises a front wheel 9 and two rear wheels 27, and further comprises a frame 19, a cargo box 23, a seat 24 and a shock absorbing mechanism upward-moving front suspension, wherein the front wheel 9 and the two rear wheels 27 are installed on the lower side of the frame 19, and the shock absorbing mechanism upward-moving front suspension is connected with the front end of the frame 19; the seat 24 and the cargo box 23 are mounted on the frame 19 in tandem;

the shock absorption mechanism upward-moving front suspension comprises a steering mechanism, a front fork mechanism, an upper support device 1, a lower support device 4, a shock absorption mechanism and a steering transmission device,

the upper supporting device 1 and the lower supporting device 4 are arranged up and down;

a damping mechanism is arranged between the upper supporting device 1 and the lower supporting device 4;

the steering mechanism and the front fork mechanism are arranged in front and back;

the lower end of the steering mechanism penetrates through the upper supporting device 1 to be fixedly connected with the front end of the steering transmission device, and the steering mechanism is rotatably connected with the upper supporting device 1;

the upper end of the front fork mechanism penetrates through the lower support device 4 to be fixedly connected with the rear end of the steering transmission device, and the front fork mechanism is rotatably connected with the lower support device 4; the lower end of the front fork mechanism is connected with a front wheel 9;

in other embodiments, the lower end of the steering mechanism penetrates through the frame of the tricycle and is fixedly connected with the front end of the steering transmission device, and the steering mechanism is rotatably connected with the frame of the tricycle.

The upper support device 1 or the frame 19 provides a stable position location and limit for the steering mechanism.

The front vertical beam 20 of the frame 19 is fixedly connected with the upper supporting device 1.

Specifically, the upper supporting device 1 in this embodiment is a triangular plate, and is not limited to a triangular plate, and the damping mechanism includes a left damping device 21 and a right damping device 22 which are symmetrically distributed. The left shock absorption device 21 and the right shock absorption device 22 are distributed to comprise a plurality of shock absorbers, the number is not limited, and the distribution form is not limited.

In this embodiment, as shown in fig. 3 and 4, the lower support device 4 includes a cross beam and a longitudinal beam fixed in a crossing manner, and the rear end of the cross beam is fixedly connected to the front fork mechanism. The two ends of the longitudinal beam are respectively connected with the left damping device 21 and the right damping device 22.

In other embodiments, as shown in figures 14 and 15, the lower support means 4 is an integral lower support means, triangular in shape with respect to the upper support means 1.

As shown in fig. 14 and 15, the steering column is rotatably connected to the upper and lower supporting means, respectively.

In some embodiments, the lower end of the shock-absorbing guide device is fixedly connected with the lower support device, and the upper end of the shock-absorbing guide device is slidably connected with the frame of the tricycle.

In some embodiments, the damping guide 3 is not provided, and the damping mechanism can also play a role in guiding.

Specifically, in the present embodiment, the vehicle further includes a cover 25, the cover 25 is located on the front side of the frame 19 and is disposed above the front wheel 9, and a headlight 26 is disposed on the outer side of the cover 25.

Specifically, in this embodiment, the lower end of the shock-absorbing guide device 3 is connected to the lower support device 4 (the front end of the longitudinal beam), and the upper end of the shock-absorbing guide device passes through a guide sleeve welded in the middle of the upper support device 1 to realize the up-and-down movement of the shock-absorbing mechanism, and the shock-absorbing guide device 3 may be one of various forms such as a guide post, a shock-absorbing mechanism, and a damper.

Preferably, the left damper 21, the right damper 22 and the damper guide 3 are disposed in parallel and are distributed in a triangular shape corresponding to the shape of the upper support device 1. By utilizing the stability of the triangle, the lateral rigidity of the damping mechanism is improved, and the front suspension system is more stable.

It should be noted that, the specific shape of the upper supporting device and the lower supporting device is not limited, and this embodiment only provides one specific shape, and other shapes are also within the scope of the present invention.

Preferably, the axes of the front fork mechanism, the damping guide device 3 and the steering mechanism are positioned on the same plane, the structure is optimized, and the stress is balanced.

It should be noted that, the axes of the front fork mechanism, the shock absorbing guide device 3 and the steering mechanism are located on the same plane, which is a preferable scheme provided in this embodiment, and the situation that the axes of the front fork mechanism, the shock absorbing guide device 3 and the steering mechanism are not located on the same plane is also within the protection scope of the present invention.

The left damping device 21, the right damping device 22 (comprising upright and inverted) and the damping guide device 3 are parallelly fixed between the upper supporting device 1 and the lower supporting device 4, the left damping device 21, the right damping device 22 and the damping guide device 3 are equivalent to three damping mechanisms and are in triangular distribution design, and the lateral rigidity of a damping mechanism assembly is improved by utilizing the stability of a triangle, so that a front suspension system is more stable. The left damping device 21, the right damping device 22 and the damping guide 3 are perpendicular to the upper supporting device 1 and the lower supporting device 4. The left damping device 21 and the right damping device 22 are a plurality of damping mechanisms which are parallel to each other or are arranged on the left and right, the lower ends of the damping mechanisms are connected with the lower supporting device 4, and the upper ends of the damping mechanisms penetrate through a guide sleeve welded in the middle of the upper supporting device 1 to realize the up-and-down movement of the damping mechanisms.

Left damping device 21, right damping device 22 is preceding arranges tricycle front wheel 9 steering spindle 10 line in, left damping device 21 promptly, right damping device 22 is for 9 antedisplacement L of front wheel, generate a moment of flexure FL, can effectively offset ground reaction G and object to the moment of flexure in the damper subassembly, subduct the yawing force of damper subassembly fore-and-aft direction, effectively promote damper's sensitivity, thereby promote the travelling comfort, make damper motion more nimble, increase of service life.

The damping mechanism moves upwards to be far away from the ground and the front wheel 9, so that the erosion of muddy water and the like to the damping mechanism is avoided; through the antedisplacement damper, subdue damper's lateral force, promote damper's shock attenuation effect, reduce the fault rate to improve the human-machine engineering and drive the travelling comfort.

With the steering mechanism antedisplacement, install the utility model discloses a tricycle front wheel 9 positions are unchangeable, can be with putting in order the car seat antedisplacement, realize the corresponding increase of packing box length, and reserve sufficient operating space under the prerequisite that does not change whole car length, improve ergonomic's travelling comfort.

The steering transmission device realizes the transmission of steering force.

As shown in fig. 1 to 9, in the present embodiment, the steering transmission device includes a steering arm 12, a rocker arm 13 and a tie rod 14, the front end and the rear end of the tie rod 14 are respectively connected to the rocker arm 13 and one end of the steering arm 12 through a steering pin 15, and the other ends of the rocker arm 13 and the steering arm 12 are respectively fixedly connected to the lower end of the steering mechanism and the upper end of the front fork mechanism.

A first tie rod 14, the length of which determines the distance between the steering column 5 of the front wheel 9 and the steering shaft 10, thereby controlling the distance between the seat and the steering device; and the steering pin 15 is structurally assembled to realize steering transmission.

As shown in fig. 1 to 9, in this embodiment, a steering shaft seat 8 is fixedly installed on an upper supporting device 1, and the steering shaft seat 8 is sleeved on a steering mechanism and is rotatably connected with the steering mechanism.

Specifically, a steering shaft seat 8 is welded at an upper side hole at the front end of the upper supporting device 1, and a bearing and a steering shaft 10 are assembled in the steering shaft seat 8 and connected together to realize a steering function.

As shown in fig. 1-9, the steering mechanism of the motor tricycle comprises a steering handle 16, a handle seat 17 and a steering shaft 10, wherein the steering shaft 10 is arranged on the steering shaft seat 8 in a penetrating way and is connected with the steering shaft seat in a rotating way, the steering handle 16 is arranged at the upper end of the steering shaft 10 through the handle seat 17, and the lower end of the steering shaft 10 is fixedly connected with a rocker arm 13.

As shown in fig. 1 to 9, in this embodiment, the three-wheeled motorcycle further includes a steering shaft sheath 18, the steering shaft seat 8 is fixed on the upper side of the upper support device 1, the steering shaft sheath 18 is sleeved on the steering shaft 10, and two ends of the steering shaft sheath 18 are respectively connected with the lower side of the upper support device 1 and the lower end of the steering shaft 10.

As shown in fig. 1-9, a motor tricycle, a steering bearing seat 7 is fixedly installed on an upper supporting device 1, and a steering bearing seat 8 is sleeved on a front fork mechanism and is rotatably connected with the front fork mechanism.

Specifically, the rear side (rear end of the longitudinal beam) hole of the lower support device 4 is welded with the direction bearing seat 7, the direction column 5 and the direction bearing seat 7 rotate relatively through assembling a bearing, and the end part of the upper bearing is fastened and fixed by a round nut and a stop washer, so that the problem of swinging of the direction handle 16 caused by bearing loosening is prevented.

In other embodiments, the steering shaft seat 8 may also be fixed to the frame of the tricycle. The direction bearing seat 7 is fixedly arranged on the frame of the tricycle.

As shown in fig. 1-9, the front fork mechanism of the motor tricycle comprises a front fork device 6 and a direction column 5, wherein the direction column 5 is arranged on a direction bearing seat 7 in a penetrating way and is connected with the direction bearing seat in a rotating way, the upper end of the direction column 5 is fixedly connected with a rocker arm 13, and the lower end of the direction column 5 is fixedly connected with the front fork device 6.

In this embodiment, the length of the rocker arm 13 is a and the length of the steering arm 12 is B. According to the principle of a hinged four-bar mechanism, A is larger than B and is heavy in steering, and A is smaller than B and is light in steering.

The upper end of the steering shaft 10 is connected with a handle seat 17 through a flat key, the top end of the steering shaft 10 is fastened by a nut, and a handle pipe is fastened on the handle seat 17 by pressing the handle; the steering shaft 10 and the steering shaft seat 8 are assembled through a bearing to realize relative rotation; the end parts of the bearings are fastened and fixed by round nuts, and the two bearings prop against the inner rings of the bearings through the bushings, so that the axial movement of the bearings is avoided.

The steering handle 16 is tightly connected with the handle seat 17 through a steering handle 16 pressing block, the steering shaft 10 is parallel to the axis of the steering column 5, a certain distance is generated between the front and the back of the steering shaft after the steering shaft is connected through the steering transmission device, so that the steering handle 16 moves forwards, the distance between the seat and the steering handle is increased, the operation space is enlarged, at the moment, the steering handle 16 rotates to drive the steering transmission device to rotate, and the steering transmission device drives the front wheel 9 to rotate.

By adjusting the transmission ratio of the steering transmission mechanism, the force applied to the steering control device by a driver in the steering process is reduced, and meanwhile, the swinging and hitting phenomenon of the steering control device in the driving process is reduced, so that the steering is light, and the driving is more stable.

The upper supporting device 1 is connected with a tricycle frame, the upper ends of a left damping device 21 and a right damping device 22 are fixed on the upper supporting device 1, the lower ends of a left damping device 22 and a right damping device 22 and the lower ends of a damping guide device 3 are connected with a lower supporting device 4, a direction bearing seat 7 is welded on the lower supporting device 4, a front fork mechanism formed by a direction column 5 and a front fork device 6 is connected with the direction bearing seat 7 through upper and lower bearings to realize a steering function, and meanwhile, a front wheel 9, the front fork mechanism and the lower supporting device 4 perform up-and-down damping along with the damping mechanism and the damping guide device 3 and synchronously move up and; compared with the traditional front suspension which is fixedly installed with a head tube on a frame through a bearing through a direction column 5, the problem that the head tube cannot move up and down along with a damping mechanism is solved.

In other embodiments, as shown in fig. 10, when the steering transmission mechanism is a chain-and-sprocket transmission, the chain-and-sprocket transmission mechanism includes a first chain wheel 101, a second chain wheel 102 and a chain 103, the first chain wheel 101 and the second chain wheel 102 are respectively connected to the lower end of the steering mechanism and the upper end of the front fork mechanism, and the first chain wheel 101 and the second chain wheel 102 are connected by the chain 103.

Specifically, the first chain wheel 101 is fixedly connected with the steering shaft 10, the second chain wheel 102 is fixedly connected with the steering column 5, the first chain wheel 101 rotates along with the steering shaft 10, the second chain wheel 102 is driven to rotate through the chain 103, the steering column 5 is driven to rotate, and the steering of the wheels 9 is achieved.

In other embodiments, as shown in fig. 11, when the steering transmission mechanism is a rack-and-pinion transmission, the steering transmission mechanism includes a first gear, a rack 112 and a first connecting rod 113, the first gear is connected to the steering mechanism and is engaged with the rack 112, and one end of the rack 112 is connected to the front fork mechanism through the first connecting rod 113; the first gear rotates along with the steering mechanism to drive the rack 112 to move, and further drives the front fork mechanism to rotate through the first connecting rod 113, so that the wheels 9 are steered.

Specifically, the first gear is fixedly connected with the steering shaft 10, the first connecting rod 113 is connected with the rack 112 through a steering pin, the first gear rotates along with the steering shaft 10 to drive the rack 112 to move, the rack 112 drives the first connecting rod 113 to rotate, and then the front fork device 6 is driven to rotate, so that the wheels 9 are steered.

In other embodiments, as shown in fig. 12, when the steering transmission mechanism is a gear-ring transmission mechanism, the steering transmission mechanism includes a second gear and a ring gear 122, the second gear is fixedly connected with the steering mechanism and is inserted into the ring gear 122 to engage with the inner side of the ring gear 122, and the ring gear 122 is fixedly connected with the front fork mechanism; the second gear rotates with the steering mechanism to drive the gear ring 122 to rotate, and further drives the front fork mechanism to rotate, so that the wheels 9 are steered. In fig. 8, a steering wheel is attached to the upper end of the steering shaft 10.

In other embodiments, as shown in fig. 13, when the steering transmission mechanism is a worm gear and worm transmission mechanism, the worm gear and worm transmission mechanism includes a worm gear and worm structure 131, a second tie rod 132 and a second connecting rod 133, an input end of the worm gear and worm structure is connected with the steering mechanism, an output end of the worm gear and worm structure is connected with one end of the second tie rod through a steering pin, the other end of the second tie rod is connected with one end of the second connecting rod through a steering pin, and the other end of the second connecting rod is fixedly connected with the front.

The upward-moving front suspension of the damping mechanism is connected with a front vertical beam 19 of the frame through an upper support device 1, and the front vertical beam structure of the motorcycle can be a single-beam structure or a double-beam or four-beam structure, as shown in fig. 6 and 7.

On the basis of the traditional motor tricycle, the front fork device is moved backwards, the front-back distance between the front end point of the front wheel and the front end of the headlamp is fully shortened, the invalid length between the front end point of the front wheel of the motor tricycle and the front end of the headlamp is shortened, the engine is moved backwards properly to be the abdication of the front fork device, the invalid length of a driving section of the motor tricycle is shortened, a container of the motor tricycle can be further lengthened within the length limit value specified by the state, and the requirement of a consumer for transporting low-density or structurally loose goods by using a large container device is met. Meanwhile, under the condition of ensuring that the wheelbase of the whole vehicle is not increased, the rear axle is properly moved backwards, and the problem of 'head warping' of the whole vehicle on an upward slope is solved.

Specifically, according to the standard requirement, the front end of the front wheel is 3.5m away from the rear end of the container, in the embodiment, the length of the container of the motor tricycle with the whole length of 3.5m is at least 0.2m longer than that of the container of the traditional motor tricycle with the whole length of 3.5m, and the length of the container is more than or equal to 2.2m, so that the loading volume and the loading and transporting efficiency of the motor tricycle are greatly improved, and the use requirements of more customers are met.

Through steering mechanism with the front fork mechanism is arranged around, with the steering mechanism antedisplacement, the front wheel position is unchangeable, can realize the corresponding increase of packing box length with the seat antedisplacement, and leaves sufficient operating space under the prerequisite that does not change whole car length, improves ergonomic's travelling comfort.

Meanwhile, the damping mechanism is arranged up and down through the upper supporting device and the lower supporting device, the damping mechanism is arranged between the upper supporting device and the lower supporting device, the upper end of the front fork mechanism is connected with the lower supporting device, and the lower end of the front fork mechanism is used for being connected with a wheel, so that the purpose of moving the damping mechanism up to the upper part of the front fork mechanism is realized; through the antedisplacement damper, subdue damper's lateral force, promote damper's shock attenuation effect, reduce the fault rate to improve the human-machine engineering and drive the travelling comfort.

In the description herein, reference to the terms "embodiment one," "embodiment two," "example," "specific example," or "some examples," etc., means that a particular method, apparatus, or feature described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, methods, apparatuses, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. A motor tricycle comprises a front wheel and two rear wheels, and is characterized by further comprising a frame, a container, a seat and a damping mechanism upward-moving front suspension, wherein the front wheel and the two rear wheels are mounted on the lower side of the frame, and the damping mechanism upward-moving front suspension is connected with the front end of the frame; the seat and the container are sequentially arranged on the frame from front to back;

2. Motor tricycle according to claim 1, characterised in that the shock absorbing mechanism comprises a lower support and a shock absorbing device, the lower part of the shock absorbing device being rotatably connected to the upper part of the front fork mechanism by the lower support.

3. A motor tricycle according to claim 2 further comprising an upper support means, the upper support means being fixedly connected to the frame of the motor tricycle, and the shock absorbing means being fixedly connected to the upper support means and/or the frame of the motor tricycle.

4. Motor tricycle according to any of claims 2-3, characterised in that the shock-absorbing means comprise several shock-absorbers, the lower parts of which are rotatably connected with the upper part of the front fork mechanism by means of lower support means.

5. Motor tricycle according to any of claims 1-3, characterised in that the front fork mechanism comprises a steering column and a front fork device, the lower end of the steering column being fixedly connected to the upper end of the front fork device, the steering column being rotatably connected to the lower part of the shock absorbing mechanism; the front wheel is mounted at the lower end of the front fork device; the steering mechanism is connected with the steering column through the steering transmission mechanism and drives the steering column to rotate, so that the front fork device is driven to rotate, and the steering of the front wheel is realized.

6. A motor tricycle in accordance with claim 5 characterised in that the steering mechanism comprises a steering handle or wheel, a handle mount and a steering shaft, the steering handle or wheel is mounted on the upper end of the steering shaft via the handle mount, and the lower end is connected to the steering drive mechanism.

7. Motor tricycle according to any of claims 1-3, 6, characterised in that the steering gear is one of a link drive, a sprocket chain drive, a belt pulley drive, a rack and pinion drive, a worm gear drive or a gear and pinion drive.

8. A motor tricycle according to claim 7 characterised in that when the steering gear is a link gear, it includes a steering arm, a rocker arm and a first tie rod, the front and rear ends of the first tie rod are respectively connected to the rocker arm and one end of the steering arm by a steering pin, and the other ends of the rocker arm and the steering arm are respectively connected to the lower end of the steering gear and the upper end of the front fork mechanism.

9. A motor tricycle according to claim 7 characterised in that when the steering gear is a chain and sprocket drive, it includes a first chain and a second chain, the first chain and the second chain are connected to the lower end of the steering gear and the upper end of the front fork respectively, and the first chain and the second chain are connected by the chain.

10. A motor tricycle according to claim 7 characterised in that when the steering gear is rack and pinion drive, it includes a first gear, a first rack and a first connecting rod, the first gear is connected with the steering gear and engaged with the rack, one end of the rack is connected with the front fork mechanism through the first connecting rod; the first gear rotates along with the steering mechanism to drive the rack to move, and then the first connecting rod drives the front fork mechanism to rotate so as to steer the front wheel.

11. The motor tricycle of claim 7, wherein when the steering transmission mechanism is a geared ring gear transmission, the steering transmission mechanism comprises a second gear and a ring gear, the second gear is fixedly connected with the steering mechanism and is arranged in the ring gear in a penetrating way to be meshed with the inner side of the ring gear, and the ring gear is fixedly connected with the front fork mechanism; the second gear rotates along with the steering mechanism to drive the gear ring to rotate, and further drives the front fork mechanism to rotate, so that the front wheel is steered.

12. The motor tricycle as claimed in claim 7, wherein when the steering transmission mechanism is a worm gear and worm transmission mechanism, the motor tricycle comprises a worm gear and worm structure, a second tie rod and a second connecting rod, wherein an input end of the worm gear and worm structure is connected with the steering mechanism, an output end of the worm gear and worm structure is connected with one end of the second tie rod through a steering pin, the other end of the second tie rod is connected with one end of the second connecting rod through a steering pin, and the other end of the second connecting rod is fixedly connected with the front fork mechanism.