CN101152888A - Scooter with transmission suspension system - Google Patents

Abstract

The invention discloses a scooter with a transmission suspension system, which comprises a scooter body, a driving wheel unit, a front wheel unit and a rear wheel unit, wherein the driving wheel unit is axially arranged at the middle position of the scooter body and can swing up and down, the front wheel unit is pivoted at the front position of the scooter body and can swing in a lever mode, the rear wheel unit is pivoted at the rear position of the scooter body and can swing in a lever mode, the front wheel unit is provided with a first buffer element capable of pressing down a front wheel, the rear wheel unit is provided with a second buffer element capable of pressing down a rear wheel, and an actuating rod capable of driving the driving wheel unit to press down, so that the middle driving wheel unit can stably and sensitively walk on uneven ground, and the safe and convenient scooter function is achieved.

Description

Scooter with transmission suspension system

technical field

The invention relates to a walking-replacing vehicle, in particular to a walking-replacing vehicle with a transmission suspension system which can walk stably and sensitively on uneven ground.

Background technique

As shown in Figure 1, a conventional electric scooter 10 has a vehicle frame 11, a driving wheel unit 12 whose shaft is located in the middle of the vehicle frame 11, a front wheel unit 13 pivotally arranged at the front of the vehicle frame 11, And a rear wheel unit 14 pivotally arranged at the rear of the vehicle frame 11, the driving wheel unit 12 can be driven by a motor (not shown), thereby driving the whole electric scooter 10 to move, the front wheel unit 13 It has an arm plate seat 131 connected to the front of the vehicle frame 11, a front wheel frame 132 pivotally connected to the arm plate seat 131 and can swing up and down, and a front wheel 133 whose shaft is arranged at the lower end of the front wheel frame 132. , and an elastic plate 134 that is locked and connected between the front wheel frame 132 and the vehicle frame 11, the rear wheel unit 14 has a rear wheel frame 141 that is pivotally connected to the rear of the vehicle frame 11 and can swing up and down, and an axle The rear wheel 142 that is located at the lower end of the rear wheel frame 141, and a spring buffer 143 that is pivotally connected between the rear wheel frame 141 and the vehicle frame 11, can swing up and down by the front and rear wheel frames 132, 141. The action of the mechanism and the elastic return action of the elastic plate 134 and the spring buffer 143 enable the electric scooter 10 to walk on uneven ground, so as to achieve the effect of surmounting obstacles and having the effect of cushioning and shock absorption.

The above-mentioned electric scooter 10 does have the effect of being able to walk on uneven ground, but there is still room for improvement in use. Generally, the electric scooter 10 is usually independently provided with the drive wheel unit 12 in the middle of the vehicle frame 11. The drive wheel unit 12 and the front and rear wheel units 13, 14 do not have any interlocking relationship, so after the current and rear wheel units 13 and 14 straddle the raised and protruding road surface, the driving wheel unit 12 in the middle tends to be driven by the front and rear wheels. The wheel units 13 and 14 are propped up to reduce the contact area with the ground, or even in a completely suspended state, the performance of sticking to the ground is not good, and the driving wheel unit 12 may even cause idling when it fails to fully frictionally contact with the ground. When the electric scooter 10 encounters an uphill section, the electric scooter 10 may go backwards due to lack of power, causing considerable danger.

Contents of the invention

The purpose of the present invention is to provide a walking-replacing vehicle with a transmission suspension system that can stably and sensitively walk on uneven ground.

The walking-replacing vehicle with the transmission suspension system includes a vehicle body, a driving wheel unit, a front wheel unit, and a rear wheel unit.

The present invention is characterized in that: the driving wheel unit has a rotating shaft seat that is swayably arranged on the vehicle body, a driving wheel that is rotatably arranged on the rotating shaft seat and just corresponds to the center of gravity in the middle of the vehicle body, and an installation A driver that can drive the driving wheel to rotate on the rotating shaft seat.

The front wheel unit has a front connecting rod with a shaft arranged at the front of the car body, which can be used as a lever swing, a front wheel arranged at the lower end of the front connecting rod, and a connecting rod provided between the front connecting rod and the rotating shaft seat. The first cushioning element for driving wheel downforce.

The rear wheel unit has a rear connecting rod with a shaft arranged at the rear of the car body and can be used as a lever swing, a rear wheel arranged at the lower end of the rear connecting rod, and a rear wheel provided between the rear connecting rod and the car body to provide a rear wheel. The second cushioning element of wheel depressing force, and an actuating rod that can drive the driving wheel to press down between the pivotally connected rear connecting rod and the rotating shaft seat.

The beneficial effect of the present invention is that: the front and rear wheel units are used as lever-type interlocking, which can drive the front and rear wheels and the driving wheel to perform a downward action, so that the above-mentioned wheels can keep in contact with the ground, thereby achieving stable walking on the ground. Effect.

Description of drawings

Fig. 1 is a combination diagram of an electric scooter in the past;

Fig. 2 is a combined perspective view illustrating a preferred embodiment of a walking-replacing vehicle with a transmission suspension system of the present invention, which includes a vehicle body, a driving wheel unit, a front-wheel unit and a rear-wheel unit;

Fig. 3 is the composite diagram of above-mentioned preferred embodiment, illustrates the state when the present invention walks on general level ground;

Fig. 4 is the combined cross-sectional view of the above-mentioned preferred embodiment, illustrating the combined situation in which the front and rear wheel units utilize the linkage mode and the driving wheel unit to achieve linkage;

Fig. 5 is the action figure of above-mentioned preferred embodiment, when illustrating that the present invention walks on a section of protruding road surface, front and rear wheel unit and drive wheel unit do three-wheel sticking to the situation of walking on the ground; and

Fig. 6 is the action figure of above-mentioned preferred embodiment, when illustrating the present invention walks on a section of sunken road surface, front and rear wheel unit and drive wheel unit do three-wheel sticking situation of walking on the ground.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:

As shown in Figures 2 and 3, in a preferred embodiment, the walking-replacing vehicle with transmission suspension system of the present invention mainly includes a car body 20, a driving wheel unit 30, a front wheel unit 40 and a rear wheel unit 50. Next, the constituent components and combined space types of the above-mentioned units will be described in detail later.

The car body 20 is mainly a box housing in a slightly rectangular shape. There is an installation platform 21 at the top of the car body 20. This installation platform 21 can be used to connect a seat (not shown). One group of arm plate seats 22,23 are respectively provided at the two sides, and the front and rear arm plate seats 22,23 are all composed of two arm plates 221,231 and several connecting rods 222,232. 232 two ends frame support locks are fixed between two arm boards 221,231, make front and rear arm board seats 22,23 inside be hollow.

Simultaneously as shown in FIG. 4 , the driving wheel unit 30 has a rotating shaft seat 31 whose shaft is arranged on the car body 20 and can swing up and down, and a shaft arranged on the rotating shaft seat 31 and just corresponds to the driving wheel at the center of gravity of the car body 20 32. A driver 33 installed on the rotating shaft seat 31 to provide power to drive the driving wheel 32 to rotate. The rotating shaft seat 31 has a rocking bar 311 and a base body 312 connected to the lower edge of the rocking bar 311. The front end of the rocking bar 311 has a shaft connecting end 3111 that is arranged at the lower end of the rear arm plate seat 23. The entire shaft seat 31 can swing up and down with the pivot end 3111 as the center of rotation. The rocker 311 is provided with a pivot ear 3112 at the position above the corresponding base body 312, and the base body 312 is equipped with a Speed reduction mechanism (not shown in the figure), its outer side can be used as the wheel axle 321 of drive wheel 32 to do the pivotal fixation, make the position of drive wheel 32 just be positioned at the middle center of gravity place of car body 20, in the present embodiment, this driver 33 is An electric motor, which is installed and fixed at the rear side of the base body 312, can just drive the speed reduction mechanism inside the base body 312 to run, and then drive the driving wheel 32 through the speed reduction mechanism.

The front wheel unit 40 has a front connecting rod 41 with a shaft arranged at the rear of the vehicle body 20, a front wheel 42 arranged at the lower end of the front connecting rod 41, and a front connecting rod 41 connected between the front connecting rod 41 and the rotating shaft seat 31. Between the first buffer element 43. The front link 41 enters the inside of the forearm plate seat 22 and stretches out to reach the top of the rotating shaft seat 31. A fulcrum shaft 411 pivotally fixed on the inside of the forearm plate seat 22 is provided in the middle of it, so that the front link 41 is connected with the fulcrum shaft 411. The center of rotation can be used as a lever swing. The front end of the front connecting rod 41 is provided with a cylindrical sleeve 412 which can be pivotally fixed by the front wheel 42. The rear end of the front connecting rod 41 is provided with a pivot joint 413. The first buffer element 43 adopts a spring shock absorber, so that the upper end of the first buffer element 43 is pivotally connected to the pivot joint 413 of the front link 41, and the lower end of the first buffer element 43 is pivotally connected to the pivot ear 3112 of the rocker 311. In this way, the first buffer element 43 can buffer the impact and bouncing force of the front wheel 42, provide the front wheel 42 with a downward pressure resilience force, and at the same time, can be linked with the rotating shaft seat 31 to depress the driving wheel 32.

The rear wheel unit 50 has a rear link 51 with a shaft arranged at the front of the car body 20 and can be used as a lever swing, a rear wheel 52 arranged at the lower end of the rear link 51, a rear wheel 52 connected between the rear link 51 and the rear link 51. The second buffer element 53 between the vehicle body 20 and an actuating rod 54 pivotally connected between the rear connecting rod 51 and the rotating shaft seat 31 . The rear connecting rod 51 enters the inside of the rear arm plate seat 23 and stretches out to reach the top of the rotating shaft seat 31. A fulcrum shaft 511 pivotally fixed inside the rear arm plate seat 23 is arranged in the middle of it, so that the rear link 51 is supported by the fulcrum. The shaft 511 is the center of rotation and can be used as a lever swing. The rear end of the rear link 51 is provided with a cylindrical sleeve 512 which can be used for the pivoting of the rear wheel 52. There is a cylindrical sleeve 512 near the upper side of the rear sleeve 512. ear 513, and the rear connecting rod 51 is provided with a pivot joint 514 at the front end. In this embodiment, the second buffer element 53 also adopts a kind of spring shock absorber, so that the rear end of the second buffer element 53 is pivotally connected. On the lug 513 of the rear connecting rod 51, the front end is pivotally fixed inside the rear arm plate seat 23, which can restrain the bouncing action of the rear wheel 52, and also limit the upward stroke of the driving wheel 32. The second buffer element 53 provides the rear wheel 52 It has a downward spring recovery force, the upper end of the actuating rod 54 is pivotally connected to the pivot joint 514 of the rear link 51, and the lower end is jointly pivoted to the pivot ear 3112 of the rocker 311 together with the first buffer element 43, After that, the connecting rod 51 can drive the rotating shaft seat 31 to press down by means of the actuating rod 54 .

The above is the description of the shape and combination space of each component of the scooter with the transmission suspension system of the present invention; then, the action of the present invention and the expected effect statement that can be achieved are as follows:

As shown in Figure 5, when the drive wheel 32 of the present invention is walking on a section of protruding road surface 100, the front connecting rod 41 of the front wheel unit 40 is bounced by the first buffer element 43, and rotates clockwise with the fulcrum shaft 411 as the center of rotation. swing, so that the front wheel 42 can be pressed down against the ground, and the rear connecting rod 51 of the rear wheel unit 50 is bounced by the second buffer element 53, and the fulcrum shaft 511 is used as the center of rotation for counterclockwise swing, and the rear wheel 52 is also Can press down and stick to ground, borrow front wheel 42, drive wheel 32 and rear wheel 52 and can keep in contact with ground simultaneously, to reach the walking effect of three rounds of smooth sticking to the ground.

As shown in Figure 6, when the drive wheel 32 of the present invention is walking on a section of low-slough road surface 200, the front connecting rod 41 of the front wheel unit 40 is pressed by the front wheel 42, so that the front connecting rod 41 is reversed with the fulcrum shaft 411 as the center of rotation. Rotating in the clockwise direction, the front link 41 provides a downward force on the drive wheel 32 through the first buffer element 43, so that the drive wheel 32 can be in contact with the sunken road surface 200. In addition, the rear link 51 of the rear wheel unit 50 Pressed by the rear wheel 52, the rear connecting rod 51 swings clockwise with the fulcrum shaft 511 as the center of rotation, and the rear connecting rod 51 provides a downward force to the driving wheel 32 through the actuating rod 54, so that the driving force can be ensured. The wheels 32 keep in contact with the ground and are not suspended in the air, so as to achieve the walking effect that the three wheels are smooth and close to the ground.

In summary, the present invention's scooter with transmission and suspension system is mainly to solve the problem that the driving wheel unit 12 of the electric scooter 10 is easy to hang in the air in the past. The technical means of the present invention mainly utilizes the front wheel unit 40 and the rear wheel The unit 50 and the intermediate drive wheel 32 are in an interactive linkage relationship. When the front and rear wheels 42, 52 walk on uneven terrain, they will drive the drive wheel 32 to perform appropriate downward pressure actions at the same time, and the first, The second cushioning element 43,53 can also provide elastic pressing power to the front and rear wheels 42,52 in addition to providing the function of buffering and shock absorbing, so that the front and rear wheels 42,52 can keep in contact with the ground, and The drive wheel 32 is driven down by the front and rear wheel units 40, 50 in the form of connecting rods, so that the drive wheel 32 can be kept in contact with the ground, so that the present invention can always keep the three wheels walking on the ground, and the normal output driving force drives The car body 20 is traveling, and the traveling process is quite stable, safe and smooth. In addition, the driving wheel 32 is installed at the center of gravity of the vehicle body 20, which helps the vehicle body 20 to keep moving forward in a straight line, and the relative distance between the front and rear wheels 42, 52 and the driving wheel 32 is shorter than that of ordinary vehicles. , can effectively shorten the radius of gyration of the vehicle body 20, so the present invention has very sensitive maneuverability, good turning ability, and extremely convenient walking-replacing effect.

Claims (5)

1. A walking-replacing vehicle with transmission suspension system, comprising a car body, a drive wheel unit, a front wheel unit, and a rear wheel unit, characterized in that: The driving wheel unit has a rotating shaft seat swayably arranged on the car body, a driving wheel rotatably arranged on the rotating shaft seat and just corresponding to the center of gravity of the car body, and a driving wheel mounted on the rotating shaft seat. Drives for the rotation of the drive wheels; The front wheel unit has a front connecting rod with a shaft arranged at the front of the car body, which can be used as a lever swing, a front wheel arranged at the lower end of the front connecting rod, and a connecting rod provided between the front connecting rod and the rotating shaft seat. a first cushioning element for drive wheel downforce; and The rear wheel unit has a rear connecting rod with a shaft arranged at the rear of the car body and can be used as a lever swing, a rear wheel arranged at the lower end of the rear connecting rod, and a rear wheel provided between the rear connecting rod and the car body to provide a rear wheel. The second cushioning element of wheel depressing force, and an actuating rod that can drive the driving wheel to press down between the pivotally connected rear connecting rod and the rotating shaft seat. 2. The scooter with transmission and suspension system as claimed in claim 1, characterized in that: the front of the vehicle body is provided with a hollow forearm plate seat for the front connecting rod to extend into for shaft connection. 3. The scooter with a transmission and suspension system as claimed in claim 1, characterized in that: the rear of the vehicle body is provided with a rear arm plate seat which is hollow inside for the rear connecting rod to extend into for shaft connection. 4. The scooter with transmission and suspension system as claimed in claim 1, characterized in that: the rotating shaft seat has a rocker with a shaft arranged on the vehicle body to swing freely, and a rocker that is connected to the bottom of the rocker. Base body for mounting drive wheels and drivers. 5. The scooter with a transmission suspension system as claimed in claim 4, characterized in that: the rocker is provided with a pivot joint ear for joint pivoting of the actuating lever and the second buffer element at the top of the corresponding base body department.

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