CN213323490U

CN213323490U - Four-wheel electric passenger vehicle

Info

Publication number: CN213323490U
Application number: CN202022216913.0U
Authority: CN
Inventors: 张元杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-06-01
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to an electric motor car technical field discloses an electronic passenger car of four-wheel, be in including frame, distribution two preceding wheels of frame anterior segment both sides, install the knuckle on the preceding wheel hub, install cradle, lower cradle on the frame, be located the frame with preceding bumper shock absorber between the cradle down. The utility model has the advantages of it is following and effect: the frame is connected with the knuckle on the front wheel through last cradle, lower cradle, and the one end that lower cradle is close to the frame is higher than the other end, and the rear wheel is connected with the back chain stay, and the one end that the back chain stay is close to the frame is higher than the other end, and frame ground clearance is big, and the chassis is high, and the trafficability characteristic is strong, adapts to and goes under relatively poor road conditions. A front shock absorber is arranged between the lower cradle and the frame, and a rear shock absorber is arranged between the rear bottom fork and the frame, so that the shock absorption effect is good, and the running is stable.

Description

Four-wheel electric passenger vehicle

Technical Field

The utility model relates to an electric motor car technical field, in particular to four-wheel electric passenger car.

Background

An electric vehicle-grade electric driving vehicle is a vehicle which takes a battery as an energy source, converts electric energy into mechanical energy to move and controls the current to change the speed. Chinese patent application with application publication No. CN105836009A discloses a front supporting structure of a four-wheel electric vehicle, which comprises a front beam, two damping springs connected to the front side of the front beam, and two oblique beams connected to the rear side of the front beam, wherein the two oblique beams and the front beam are combined to form an isosceles triangle. The front beam both ends all are connected with the U-shaped piece, all install connecting sleeve in the U-shaped piece, and connecting sleeve all links to each other with axletree and connecting rod.

The above invention patent application has the following problems: the wheels are arranged at two ends of the front beam, the front beam is positioned at the center line of the wheels, the chassis of the four-wheel electric vehicle is lower, and the trafficability characteristic is poor when the road condition is poor in the driving process.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an electronic passenger car of four-wheel has the chassis height, passes through the effect that the ability is strong.

The above technical purpose of the present invention can be achieved by the following technical solutions: the four-wheel electric passenger car comprises a car frame and two front wheels distributed on two sides of the front section of the car frame, wherein a steering knuckle is mounted on a wheel hub of each front wheel, an upper cradle, a lower cradle and a front shock absorber positioned between the car frame and the lower cradle are mounted on the car frame, an upper pin hole, a lower pin hole and a side pull pin hole I are formed in each steering knuckle, a first main pin penetrating through the upper pin hole is mounted on the upper cradle, a second main pin penetrating through the lower pin hole is mounted on the lower cradle, one end, close to the car frame, of the lower cradle is higher than the other end of the lower cradle, a steering shaft is rotatably arranged on the car frame, a handle is mounted at the upper end of the steering shaft, a pulling plate is fixed at the lower end of the steering shaft, a transverse pulling rod is arranged between the pulling plate and the steering knuckle, a second side pull pin hole is formed in each pulling plate, a second side pull pin is inserted in each side pull pin, and two ends of the transverse pull rod are respectively connected with the first side pull pin and the second side pull pin through ball joint universal joints.

Through adopting above-mentioned technical scheme, the front wheel of four-wheel electric passenger car is connected on the frame through last cradle, lower cradle, and the one end that lower cradle is close to the frame is higher than the other end, and frame and lower cradle are higher than front wheel center department, and the chassis is high, and car liftoff minimum clearance is great promptly, and four-wheel electric passenger car trafficability reinforce can adapt to form under relatively poor road conditions. Through the installation front shock absorber between lower cradle and the frame, play better shock attenuation effect, it is steady to go.

The utility model discloses a further set up to: the lower end of the front shock absorber is hinged to the lower rocking frame, and the upper end of the front shock absorber is hinged to the frame after penetrating through the upper rocking frame.

The utility model discloses a further set up to: the steering wheel is characterized in that the frame is provided with an installation pipe, the steering shaft is rotatably connected in the installation pipe, at least two support plates distributed on the side face of the installation pipe are fixed on the frame, connecting plates in one-to-one correspondence with the support plates are fixed on the installation pipe, a first through hole is formed in each support plate, a second through hole is formed in each connecting plate, and the connecting plates are connected with the support plates through bolts and nuts.

The utility model discloses a further set up to: the rear wheel is hinged to two rear bottom forks, rear wheel axles are rotatably connected to the rear bottom forks, and rear shock absorbers are installed between the rear bottom forks and the frame.

The utility model discloses a further set up to: the rear axle is installed on the frame, the driving motor is installed on the rear axle, the power battery for the driving motor supplies power is installed on the frame, the first chain wheel is installed at two ends of the rear axle, the second chain wheel is fixedly installed at the position of a rear wheel, and a chain for transmitting power is arranged between the first chain wheel and the second chain wheel.

The utility model discloses a further set up to: the rear axle is higher than the center of the rear wheel.

The utility model discloses a further set up to: one end of the rear bottom fork close to the frame is higher than the other end of the rear bottom fork; the lower end of the rear shock absorber is hinged to one end, close to the rear wheel, of the rear bottom fork, and the upper end of the rear shock absorber is hinged to the frame.

By adopting the technical scheme, one end of the rear bottom fork close to the frame is higher than the other end, so that the rear bottom fork is higher than the center of the rear wheel, and the ground clearance of the frame is improved.

The utility model discloses a further set up to: the chain is sleeved on the rear flat fork.

Through adopting above-mentioned technical scheme, when the in-process rear wheel jolts, break away from the sprocket after avoiding the chain to rock the range too big.

The utility model discloses a further set up to: the frame is also provided with a bottom plate, and a seat is fixed on the bottom plate.

The utility model has the advantages that: the frame is connected with the knuckle on the front wheel through last cradle, lower cradle, and the one end that lower cradle is close to the frame is higher than the other end, and the rear wheel is connected with the back chain stay, and the one end that the back chain stay is close to the frame is higher than the other end, and frame ground clearance is big, and the chassis is high, and the trafficability characteristic is strong, adapts to and goes under relatively poor road conditions. A front shock absorber is arranged between the lower cradle and the frame, and a rear shock absorber is arranged between the rear bottom fork and the frame, so that the shock absorption effect is good, and the running is stable.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the embodiment.

FIG. 2 is a schematic view of the bottom structure of the vehicle frame according to the embodiment.

FIG. 3 is a schematic structural view of the steering shaft, the tie plate, and the vehicle frame according to the embodiment.

FIG. 4 is a schematic view showing a positional relationship among the frame, the upper cradle, the lower cradle, and the front shock absorber of the embodiment.

FIG. 5 is a schematic view showing the connection relationship between the upper and lower rockers, tie rods, and knuckle according to the embodiment.

Fig. 6 is a schematic view of the positional relationship among the rear fork, the rear wheel, and the rear axle of the embodiment.

In the figure, 1, a frame; 11. an upper cradle; 111. a first main pin; 12. a lower cradle; 121. a front shock absorber; 122. a second main pin; 13. a rear bottom fork; 131. a rear shock absorber; 14. a mounting plate; 2. a base plate; 21. a seat; 3. a front wheel; 4. a rear wheel; 41. a second chain wheel; 5. a knuckle; 51. an upper pin hole; 52. a lower pin hole; 53. a first side pull pin hole; 6. mounting the cylinder; 61. a connecting plate; 7. a steering shaft; 71. a handle; 72. pulling a plate; 721. a second pin hole is drawn laterally; 8. a tie rod; 81. a first side pull pin; 82. A second side pull pin; 83. a ball joint universal joint; 9. a rear axle; 91. a chain wheel I; 10. the motor is driven.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Example (b): a four-wheel electric passenger vehicle, as shown in fig. 1 and 2, includes a vehicle frame 1, two front wheels 3 disposed on two sides of the front end of the vehicle frame 1, and two rear wheels 4 disposed on two sides of the rear end of the vehicle frame 1. The frame 1 is provided with a bottom plate 2, and seats 21 are fixed on the bottom plate 2, wherein one seat 21 is used for a driver to sit. The frame 1 is also provided with a headlight and an installation pipe. Two connecting plates 61 are fixed on the mounting pipe, two bracket plates 14 are fixed on the frame 1, and the two bracket plates 14 correspond to the two connecting plates 61 one by one. A first through hole is formed in the support plate 14, a second through hole is formed in the connecting plate 61, a bolt penetrating through the first through hole and the second through hole is arranged on the frame 1, and a nut is connected to the bolt. A plurality of adjusting sleeves are further sleeved on the bolt screw, and the adjusting sleeves are positioned between the support plate 14 and the connecting plate 61.

As shown in fig. 3 and 4, the steering shaft 7 is rotatably connected in the mounting tube, a handle 71 is fixedly mounted at the upper end of the steering shaft 7, a pulling plate 72 is fixedly mounted at the lower end of the steering shaft 7, and the pulling plate 72 is located between the two front wheels 3. A steering knuckle 5 is arranged at the hub of each front wheel 3, and the hub of each front wheel 3 can rotate relative to the steering knuckle 5. The bogie is provided with a lower pin hole 52, an upper pin hole 51 and a side pull pin hole I53, wherein the upper pin hole 51 and the lower pin hole 52 are coaxially arranged. An upper rocking frame 11 and a lower rocking frame 12 are installed on the frame 1, a front shock absorber 121 is arranged between the lower rocking frame 12 and the frame 1, the lower end of the front shock absorber 121 is hinged to the lower rocking frame 12, and the upper end of the front shock absorber 121 is hinged to the frame 1 after penetrating through the upper rocking frame 11.

As shown in fig. 3, 4 and 5, the upper cradle 11 is provided with a first king pin 111, and the first king pin 111 passes through the upper pin hole 51 from top to bottom. One end of the lower cradle 12 is fixed on the frame 1, and the other end is provided with a second main pin 122, and the second main pin 122 penetrates through the lower pin hole 52 from bottom to top. One end of the lower cradle 12 close to the frame 1 is higher than the other end. A tie rod 8 is arranged between the pull plate 72 and each steering knuckle 5, a second side pull hole is formed in the pull plate 72, a second side pull pin 82 is inserted in the second side pull hole, a first side pull pin 81 is inserted in the first side pull hole, and two ends of the tie rod 8 are respectively connected with the first side pull pin 81 and the second side pull pin 82 through ball joint universal joints 83.

As shown in fig. 6, the frame 1 is provided with a rear axle 9, and the rear axle 9 is higher than the center of the rear wheel 4. The rear axle 9 comprises a differential and two output shafts, a driving motor 10 connected with the differential is mounted on the rear axle 9, and a power battery is mounted on the frame 1 and used for supplying power to the driving motor 10. All install sprocket 91 on two output shafts, all install sprocket two 41 on two rear wheels 4, cup jointed the chain that is used for transmitting power between sprocket 91 and sprocket two 41.

As shown in fig. 6, the frame 1 is provided with two rear forks 13, and each rear wheel 4 is located in the rear fork 13. The chain is sleeved on the rear bottom fork 13. One end of a rear flat fork 13 is hinged with the frame 1, the other end of the rear flat fork is connected with an axle of the rear wheel 4, and the axle can rotate relative to the rear flat car. One end of the rear bottom fork 13 close to the frame 1 is higher than the other end. The end of the rear bottom fork 13 far away from the frame 1 is hinged with a rear shock absorber 131, the lower end of the rear shock absorber 131 is hinged on the rear bottom fork 13, and the upper end is hinged on the frame 1.

When the four-wheel electric passenger vehicle works, a driver sits on the seat 21, the power battery supplies power to the driving motor 10, the driving motor 10 drives the first chain wheel 91 of the rear axle 9 to rotate, and the first chain wheel 91 drives the second chain wheel 41 and the rear wheels 4 to rotate through the chain to drive the four-wheel electric passenger vehicle to move forwards. The driver rotates the handle 71 to drive the steering shaft 7 to rotate, the pull plate 72 at the lower end of the steering shaft 7 pulls the steering knuckle 5 on the front wheel 3 to move through the tie rod 8, so that the front wheel 3 rotates, and the vehicle turns.

Claims

1. Electronic passenger car of four-wheel, its characterized in that: the front wheel suspension device comprises a frame (1) and two front wheels (3) distributed on two sides of the front section of the frame (1), wherein a steering knuckle (5) is installed on a wheel hub of each front wheel (3), an upper rocking frame (11), a lower rocking frame (12) and a front shock absorber (121) positioned between the frame (1) and the lower rocking frame (12) are installed on the frame (1), an upper pin hole (51), a lower pin hole (52) and a side pull pin hole I (53) are formed in each steering knuckle (5), a main pin I (111) penetrating through the upper pin hole (51) is installed on the upper rocking frame (11), a main pin II (122) penetrating through the lower pin hole (52) is installed on the lower rocking frame (12), one end, close to the frame (1), of the lower rocking frame (12) is higher than the other end, a steering shaft (7) is arranged on the frame (1) in a rotating mode, a handle (71) is installed at the upper end of the steering shaft, the steering spindle (7) lower extreme is fixed with arm-tie (72), arm-tie (72) with be provided with drag link (8) between knuckle (5), side trompil hole two (721) have been seted up in arm-tie (72), it has side trompil pin two (82) to peg graft in side trompil hole two (721), peg graft in side trompil hole one (53) has side to peg one (81), tie (8) both ends all link to each other with side peg one (81), side peg two (82) respectively through bulb universal joint (83).

2. The four-wheeled electric passenger vehicle according to claim 1, wherein: the lower end of the front shock absorber (121) is hinged to the lower rocking frame (12), and the upper end of the front shock absorber passes through the upper rocking frame (11) and then is hinged to the frame (1).

3. The four-wheeled electric passenger vehicle according to claim 1, wherein: the mounting pipe is arranged on the frame (1), the steering shaft (7) is rotatably connected into the mounting pipe, at least two support plates (14) distributed on the side face of the mounting pipe are fixed on the frame (1), connecting plates (61) in one-to-one correspondence with the support plates (14) are fixed on the mounting pipe, a first through hole is formed in each support plate (14), a second through hole is formed in each connecting plate (61), and the connecting plates (61) are connected with the support plates (14) through bolts and nuts.

4. The four-wheeled electric passenger vehicle according to claim 1, wherein: still including being located two rear wheels (4) of frame (1) rear end, frame (1) articulates there are two back chain stays (13), rear wheel (4) axletree rotates to be connected back chain stay (13) department, back chain stay (13) with install rear shock absorber (131) between frame (1).

5. The four-wheeled electric passenger vehicle according to claim 4, wherein: install rear axle (9) on frame (1), driving motor (10) are installed in rear axle (9), install on frame (1) and be used for the power battery of driving motor (10) power supply, sprocket one (91) are installed at rear axle (9) both ends, rear wheel (4) department installation is fixed with sprocket two (41), sprocket one (91) with be equipped with the chain that is used for transmitting power between sprocket two (41).

6. The four-wheeled electric passenger vehicle according to claim 5, wherein: the rear axle (9) is higher than the center of the rear wheel (4).

7. The four-wheeled electric passenger vehicle according to claim 4, wherein: one end of the rear bottom fork (13) close to the frame (1) is higher than the other end; the lower end of the rear shock absorber (131) is hinged to one end, close to the rear wheel (4), of the rear bottom fork (13), and the upper end of the rear shock absorber is hinged to the frame (1).

8. The four-wheeled electric passenger vehicle according to claim 5, wherein: the chain is sleeved on the rear bottom fork (13).

9. The four-wheeled electric passenger vehicle according to claim 1, wherein: the bicycle frame is characterized in that a bottom plate (2) is further mounted on the bicycle frame (1), and a seat (21) is fixed on the bottom plate (2).