CN207274867U - A kind of new four-wheel electric motor car - Google Patents

Abstract

The utility model discloses a novel four-wheel electric vehicle. The front wheel frame, the bottom frame, the rear wheel frame and the seat frame form an integral vehicle frame. The steering rod controls the steering of the front wheels through the steering system. Installed on the front wheel frame, the steering system includes a connecting rod, an upper connecting plate, a tie rod, a lower connecting plate, a running wheel hanging plate and a turning rod. One end of the connecting rod is vertically connected to the steering rod, and the other end is connected to the upper connecting plate. The upper connecting plate Both the lower connecting plate and the lower connecting plate are rotatably connected on the front wheel frame, and the two plates are connected by a tie rod and a joint bearing. The front wheel is installed at the bottom of the front end of the front wheel frame and can rotate on a horizontal plane. One end is connected with the rotating shaft of front wheel. The utility model has the characteristics of simple structure, convenient operation, small torque, high safety and small turning radius, which is beneficial for electric vehicles to change lanes or turn flexibly when encountering congested road sections, thereby avoiding congestion.

Description

A new type of four-wheel electric vehicle

technical field

The utility model relates to a novel four-wheel electric vehicle, which belongs to the technical field of vehicles.

Background technique

With the development and progress of modern society, there are more and more urban vehicles, and transportation has become a necessity for people to travel. However, transportation is becoming more and more complicated, causing urban congestion to increase, especially during rush hour. , thus causing a lot of people to waste a lot of time in the congested road.

Therefore, it is necessary to design and invent a vehicle that is clean and environmentally friendly, can easily avoid congested sections and can shuttle in the streets and alleys of the city.

Utility model content

The purpose of the invention of the utility model is to provide a new type of four-wheel electric vehicle with flexible turning and good shock absorption performance in view of the above-mentioned existing problems.

The technical solution of the utility model has the following advantages compared with the traditional technology:

1. Because it is a four-wheel electric vehicle, its stability and safety are better than traditional three-wheeled two-wheeled vehicles. The rear wheels are connected by suspension, and the riding comfort is higher than that of traditional electric vehicle structures.

2. Since the electric vehicle technical solution of the utility model adopts the hub motor to directly drive the rear wheels, the loss of intermediate energy is avoided, energy consumption is greatly saved, and efficiency is improved.

3. Since the steering structure of the electric vehicle of the utility model adopts a tie-rod steering, it is more convenient and lighter than the traditional electric vehicle steering, requires less torque, has higher steering sensitivity and better control performance.

The technical scheme that the utility model adopts is such:

A novel four-wheeled electric vehicle, comprising a front wheel frame, a bottom frame, a rear wheel frame, a rear wheel, a seat frame, a steering rod, and a front wheel, wherein the front wheel frame, the bottom frame, the rear wheel frame and the seat frame are composed of An integral vehicle frame, the steering rod controls the steering of the front wheels through the steering system, an electrical control box is installed in the underframe, the rear wheels are driven by a motor, the steering rod is installed on the front wheel frame through bearing rotation, and the The steering system includes a connecting rod, an upper connecting plate, a tie rod, a lower connecting plate, a running wheel hanging plate and a turning rod. One end of the connecting rod is vertically connected to the steering rod through a joint bearing, and the other end is connected to the upper connecting plate through a joint bearing. Both the upper connecting plate and the lower connecting plate are rotatably connected to the front wheel frame, and the two plates are connected through a tie rod and a joint bearing. Hanging plate and front wheel can rotate on the horizontal plane along the vertical rotating shaft on the tire axle rotating part, described turning rod one end is connected with lower connecting plate by joint bearing, and the other end is connected with the rotating shaft of front wheel by joint bearing.

A battery, a controller and an air switch are installed in the electrical control box.

The above-mentioned technical solution adopts a new steering system, which has the characteristics of simple structure, easy operation, small torque, high safety and small turning radius, compared with the traditional pull-rod steering or the steering handle directly driven by the leading handlebar. It is much better, which will help electric vehicles to flexibly change lanes or turn when encountering congested roads, so as to avoid congestion.

Preferably, the front end of the front wheel frame is connected to the bottom frame through a rotating shaft, and a front wheel frame is arranged corresponding to each front wheel. The front shock absorption system includes a bottom frame connecting rod, a shock absorber connecting plate and a shock absorber. Two shock absorber connecting plates are symmetrically rotated and installed on the front wheel frame, the shock absorber is connected between the two shock absorber connecting plates through two ends, and the bottom frame connecting rod is connected to the shock absorber connecting plate and the corresponding front wheel frame below it.

As a preference, the front end of the rear wheel frame is connected to the bottom frame through a rotating shaft, and a rear wheel frame is provided corresponding to each rear wheel. The rear shock absorption system includes a bottom frame connecting rod, a shock absorber connecting plate and a shock absorber. Two shock absorber connecting plates are symmetrically rotated and installed on the rear wheel frame, the shock absorber is connected between the two shock absorber connecting plates through two ends, and the bottom frame connecting rod is connected to the shock absorber connecting plate and the corresponding rear wheel frame below it.

The above two optimal schemes adopt a shock absorption system for each wheel. The vibration energy generated by the uneven road surface is transmitted to the shock absorber through the connecting rod of the chassis and the connecting plate of the shock absorber for consumption, so as to minimize the unevenness of the road surface. resulting discomfort.

Preferably, each rear wheel is equipped with a motor for driving, and the motor is installed inside the rear wheel. Installing the motor inside the rear wheel can effectively reduce the energy loss during transmission.

Description of drawings

Fig. 1 is the front view of the utility model.

Fig. 2 is a left view of the utility model.

Fig. 3 is a top view of the utility model.

Fig. 4 is a half sectional view of the utility model.

FIG. 5 is a specific structural diagram of the mark 12 in FIG. 4 .

Marked in the figure:

1 is the front wheel frame, 2 is the electric control box, 3 is the bottom frame, 4 is the rear wheel frame, 5 is the rear wheel, 6 is the rear shock absorption system, 7 is the seat frame, 8 is the steering rod, 9 is the front damper Shock system, 10 is a front wheel, 11 is a tire shaft rotating part, and 12 is a steering system;

91 is an underframe connecting rod, 92 is a shock absorber connecting plate, and 93 is a shock absorber;

121 is a connecting rod, and 122 is an upper connecting plate, and 123 is a pull bar, and 124 is a lower connecting plate, and 125 is a walking wheel hanging plate, and 126 is a turning rod.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail.

Example:

As shown in Figures 1, 2, 3, and 4, a new type of four-wheel electric vehicle includes a front wheel frame 1, an underframe 3, a rear wheel frame 4, a rear wheel 5, a seat frame 7, a steering rod 8, and a front wheel frame. 10, wherein, the front wheel frame 1, the bottom frame 3, the rear wheel frame 4 and the seat frame 7 form an integral vehicle frame, the steering rod 8 controls the steering of the front wheels 10 through the steering system 12, and the bottom frame 3 is installed Electrical control box 2, the rear wheel 5 is driven by a motor, the steering rod 8 is installed on the front wheel frame 1 through bearing rotation, and the steering system 12 includes a connecting rod 121, an upper connecting plate 122, a pull rod 123, and a lower connecting plate 124. Walking wheel hanging plate 125 and turning pull rod 126. One end of the connecting rod 121 is vertically connected to the direction rod 8 through a joint bearing, and the other end is connected to the upper connecting plate 122 through a joint bearing. The upper connecting plate 122 and the lower connecting plate 124 are all rotatably connected on the front wheel frame 1, and the two plates are connected by pull rods 123 and joint bearings. The rotating shaft of the front wheel 10 is installed on the walking wheel hanging plate at the bottom of the front end of the front wheel frame 1 through the tire shaft rotating part 11. 125 and the front wheel 10 can rotate on the horizontal plane along the vertical shaft on the tire shaft rotating part 11. One end of the turning rod 126 is connected with the lower connecting plate 124 through a joint bearing, and the other end is connected with the front wheel 10 through a joint bearing. Rotary shaft connection.

When the direction rod 8 is artificially rotated, the direction rod 8 drives the connecting rod 121 vertically connected with it, the connecting rod 121 drives the upper connecting plate 122 to rotate, and under the action of the pull rod 123, the lower connecting plate 124 is also pulled and rotated, thereby connecting The turning rod 126 connected with the plate 124 drives the wheel connected with it to realize the steering function.

The front end of the front wheel frame 1 is connected to the bottom frame 3 through a rotating shaft, and a front wheel frame 1 is set corresponding to each front wheel 10. The front damping system 9 includes a bottom frame connecting rod 91, a shock absorber connecting plate 92 and Shock absorber 93, two shock absorber connecting plates 92 are symmetrically rotated and installed on the front wheel frame 1, and the shock absorber 93 is connected between the two shock absorber connecting plates 92 through two ends, and the bottom frame The connecting rod 91 is connected between the shock absorber connecting plate 92 and the corresponding front wheel frame 1 below it.

The front end of the rear wheel frame 4 is connected to the underframe 3 through a rotating shaft, and a rear wheel frame 4 is set corresponding to each rear wheel 5. The rear shock absorption system 6 includes an underframe connecting rod 91, a shock absorber connecting plate 92 and Shock absorber 93, two shock absorber connecting plates 92 are symmetrically rotated and installed on the rear wheel frame 4, and the shock absorber 93 is connected between the two shock absorber connecting plates 92 through two ends, and the bottom frame The connecting rod 91 is connected between the shock absorber connecting plate 92 and the corresponding rear wheel frame 4 below it.

The structures of the front damping system 9 and the rear damping system 6 are basically the same, as shown in FIG. 5 .

Corresponding to each rear wheel 5 is respectively equipped with a motor to drive, and the motor is installed in the rear wheel 5 inside.

Claims (4)

1. a kind of new four-wheel electric motor car, including front wheel carrier（1）, chassis（3）, rear wheel frame（4）, trailing wheel（5）, seat frame（7）, side To bar（8）, front-wheel（10）, wherein, front wheel carrier（1）, chassis（3）, rear wheel frame（4）And seat frame（7）A unitized frame is formed, The steering yoke（8）Pass through steering（12）Control front-wheel（10）Turn to, the chassis（3）Interior installation electric control box（2）, The trailing wheel（5）Driven by motor, the steering yoke（8）Front wheel carrier is rotatablely installed by bearing（1）On, it is characterised in that：Institute State steering（12）Including connecting rod（121）, upper junction plate（122）, pull rod（123）, lower connecting plate（124）, traveling wheel hang Plate（125）With turning pull rod（126）, the connecting rod（121）One end passes through oscillating bearing and steering yoke（8）Vertical connection, separately One end passes through oscillating bearing and upper junction plate（122）Connection, the upper junction plate（122）And lower connecting plate（124）The company of rotation It is connected on front wheel carrier（1）Pass through pull rod between upper and two plates（123）And oscillating bearing connection, the front-wheel（10）Rotation axis pass through Tire axis rotary part（11）Installed in front wheel carrier（1）The traveling wheel hanging plate of front bottom end（125）Upper and front-wheel（10）Can be along Tire axis rotary part（11）On vertical shaft rotate in the horizontal plane, the turning pull rod（126）One end passes through joint shaft Hold and lower connecting plate（124）Connection, the other end pass through oscillating bearing and front-wheel（10）Rotation axis connection.

A kind of 2. new four-wheel electric motor car according to claim 1, it is characterised in that：The front wheel carrier（1）Front end and bottom Frame（3）Between be rotatablely connected by shaft, corresponding each front-wheel（10）One front wheel carrier is set（1）, preceding shock mitigation system（9）Including Chassis connecting rod（91）, damper connecting plate（92）And damper（93）, two pieces of damper connecting plates（92）Symmetrically rotate peace Mounted in front wheel carrier（1）On, the damper（93）Two pieces of damper connecting plates are connected to by both ends（92）Between, the chassis Connecting rod（91）It is connected to damper connecting plate（92）And corresponding front wheel carrier below（1）Between.

A kind of 3. new four-wheel electric motor car according to claim 1, it is characterised in that：The rear wheel frame（4）Front end and bottom Frame（3）Between be rotatablely connected by shaft, corresponding each trailing wheel（5）One rear wheel frame is set（4）, rear shock mitigation system（6）Including Chassis connecting rod（91）, damper connecting plate（92）And damper（93）, two pieces of damper connecting plates（92）Symmetrically rotate peace Mounted in rear wheel frame（4）On, the damper（93）Two pieces of damper connecting plates are connected to by both ends（92）Between, the chassis Connecting rod（91）It is connected to damper connecting plate（92）And corresponding rear wheel frame below（4）Between.

A kind of 4. new four-wheel electric motor car according to claim 1, it is characterised in that：Corresponding each trailing wheel（5）Each autogamy It is standby that a motor is driven, and motor is installed on trailing wheel（5）The inside.