CN212332777U

CN212332777U - Light new energy racing car

Info

Publication number: CN212332777U
Application number: CN202020757028.0U
Authority: CN
Inventors: 王磊
Original assignee: Individual
Current assignee: Blue Research Beijing Technology Co ltd
Priority date: 2020-05-09
Filing date: 2020-05-09
Publication date: 2021-01-12
Anticipated expiration: 2030-05-09

Abstract

The utility model relates to a new forms of energy car technical field especially relates to a lightweight new forms of energy cycle racing, including automobile body system, the system of traveling, a steering system, braking system and actuating system, the automobile body system includes the frame of truss-like structure, the frame is used for installing the system of traveling, the steering system, braking system and actuating system; a covering part is arranged on the frame. The light new energy racing car provided by the utility model reduces the weight of the whole car while ensuring the safety of drivers; the novel car racing car can be used for teaching in the related fields of new energy and cars, and can also be used as a car racing car in related entertainment places such as a kart yard for people to drive and ride.

Description

Light new energy racing car

Technical Field

The utility model relates to a new forms of energy car technical field especially relates to a lightweight new forms of energy cycle racing.

Background

The new energy vehicle can stimulate the learning interest of the learner on the vehicle major, promote the learner to actively learn and deeply master the professional knowledge and skills in various aspects such as design, manufacture, assembly, adjustment, maintenance and the like of the vehicle, and improve the team cooperation capability of the learner. However, the new energy passenger car in the current market is inconvenient for the learners to know the knowledge of the whole car structure and the new energy driving system due to the characteristics of large volume, heavy weight, high voltage use and the like. The new energy passenger car in the existing market generally adopts hundreds of volts of high voltage to provide power, and a learner possibly encounters danger when learning a new energy automobile circuit and a whole car structure.

Most of the common racing cars in the market are driven by fuel power, and the environment is easily polluted.

SUMMERY OF THE UTILITY MODEL

The present invention aims at least solving one of the technical problems existing in the prior art or the related art.

In order to solve the technical problem, the utility model provides a lightweight new forms of energy cycle racing, including automobile body system, the system of traveling, a steering system, a braking system and a driving system, the automobile body system includes the frame of truss-like structure, the frame is used for installing the system of traveling, the steering system, the braking system and the driving system; a covering part is arranged on the frame.

In one embodiment, the vehicle body system further comprises a bottom frame and a bottom plate disposed on the bottom frame, the frame being connected to the bottom frame; the bottom frame is made of aluminum material.

In one embodiment, the vehicle body system further comprises a carbon fiber seat connected to the bottom frame; the covering piece is made of carbon fiber materials.

In one embodiment, the cover is attached to the frame by a cable tie.

In one embodiment, the drive system includes an electric motor, a gearbox coupled to an output shaft of the electric motor, a battery box for powering the electric motor, a motor controller for controlling the electric motor, and half-shafts coupled to the output shaft of the gearbox, the half-shafts being coupled to wheels of the vehicle.

In one embodiment, the ride system includes a front suspension for mounting a front wheel and a rear suspension for mounting a rear wheel, each of the front and rear suspensions being unequal length double wishbone suspensions.

In one embodiment, the front suspension is provided with a front anti-roll bar, the rear suspension is provided with a rear anti-roll bar, the front anti-roll bar is connected to the bottom frame, and the rear anti-roll bar is connected to the frame.

In one embodiment, the steering system includes a steering gear, a steering rod, a steering column, a universal joint, a steering wheel quick release device, and a steering wheel; the steering wheel is connected with the steering column through the steering wheel quick-release device, the upper end of the steering column is connected with the lower end of the steering column through a universal joint, and the lower end of the steering column is connected with a gear shaft of the steering engine; the steering pull rod is connected to a wheel; the steering engine is connected to the frame through a steering engine fixing seat; the upper end of the steering column is rotatably connected to a sleeve, and the sleeve is welded to the frame.

In one embodiment, the brake system comprises a brake pedal, a brake balance rod, a brake master cylinder, a brake support, a brake caliper and a brake disc matched with the brake caliper; the brake balance rod is connected with the brake pedal, and the push rod of the brake master cylinder is connected with the brake balance rod; the brake master cylinder is connected with the brake support; the braking support is connected with the bottom frame; the brake master cylinder is connected with the brake calipers respectively arranged on the front wheel and the rear wheel through a front brake circuit and a rear brake circuit.

The utility model has the advantages that: the light new energy racing car provided by the utility model reduces the weight of the whole car while ensuring the safety of drivers; the novel car racing car can be used for teaching in the related fields of new energy and cars, and can also be used as a car racing car in related entertainment places such as a kart yard for people to drive and ride.

Drawings

Fig. 1 is a schematic structural diagram of a lightweight new energy racing car according to an embodiment of the present invention;

FIG. 2 is an exploded view of the body system of an embodiment of the present invention showing the frame, floor and bottom frame;

fig. 3 is a schematic structural view of a front travel system according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a rear travel system according to an embodiment of the present invention;

fig. 5 is a schematic structural view of a suspension cross arm according to an embodiment of the present invention;

fig. 6 is an exploded view of the front wheel rim according to an embodiment of the present invention;

fig. 7 is an exploded view of the rear wheel rim of the embodiment of the present invention;

FIG. 8 is a schematic structural view of a front anti-roll bar according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a rear anti-roll bar according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a front travel system and a vehicle body system according to an embodiment of the present invention;

FIG. 11 is a schematic structural view of the front anti-roll bar and the body system according to the embodiment of the present invention;

fig. 12 is a schematic structural view of a connection between a rear travel system and a vehicle body system according to an embodiment of the present invention;

fig. 13 is a schematic structural view of the connection of the rear anti-roll bar and the vehicle body system according to the embodiment of the present invention;

fig. 14 is a schematic structural view of a steering system according to an embodiment of the present invention;

fig. 15 is a schematic structural view of a connection between a steering gear and a frame according to an embodiment of the present invention;

fig. 16 is a schematic structural view of a brake system according to an embodiment of the present invention;

fig. 17 is a schematic structural diagram of a drive system according to an embodiment of the present invention;

description of reference numerals: 1. light new energy racing cars;

2. a vehicle body system; 21. a frame; 22. a base plate; 23. a bottom frame; 24. a cover; 26. a nasal ala; 27. an empennage bracket; 28. a tail wing; 29. a carbon fiber seat; 210. a headrest;

3. a travel system; 30. a shock absorber; 31. a suspension cross arm; 3110. a front suspension cross arm; 3111. a rear suspension cross arm; 311. a suspension cross arm main body; 312. a radial bearing; 313. a retainer ring for a bore; 314. a rod end oscillating bearing; 315. a limiting column; 32. a front wheel edge; 321. a front knuckle; 322. a front hub; 323. a front hub bearing; 324. oil sealing; 325. a rim bolt; 326. a rim nut; 327. a hub nut; 328. steel jacket; 33. a rear wheel edge; 331. a rear knuckle; 332. a rear hub; 34. a front anti-roll bar kit; 341. a rod end oscillating bearing; 342. a front anti-roll bar; 343. a front anti-roll bar fixing seat; 344. the front anti-roll bar clasps the seat; 345. a copper sleeve; 35. a rear anti-roll bar kit; 351. a rear anti-roll bar; 352. a rear anti-roll bar fixing seat; 353. the rear anti-roll bar clasps the seat; 361. a front carbon fiber push rod; 362. a rear carbon fiber push rod; 371. a front rocker; 372. a rear rocker; 38. a rim; 39. a tire;

4. a steering system; 41. a steering machine; 42. a steering tie rod; 431. the upper end of the steering column; 432. the lower end of the steering column; 44. a universal joint; 45. a steering wheel quick release device; 46. a steering wheel; 47. a steering gear fixing seat; 48. a rod end oscillating bearing;

5. a braking system; 51. a brake pedal; 52. a brake balancing lever; 53. a brake master cylinder; 54. a braking liquid storage tank; 55. a brake support; 58. a brake caliper; 59. a brake disc;

6. a drive system; 61. a battery box; 62. a motor; 63. a motor controller; 64. a gearbox; 65. a gearbox lengthened shaft; 66. and a half shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be clearly described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the utility model, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the utility model.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.

In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of an embodiment of the 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, structures, materials, 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.

As shown in fig. 1 to 4, the utility model provides a light new energy racing car 1, including vehicle body system 2, traveling system 3, steering system 4, braking system 5 and actuating system 6, vehicle body system 2 includes truss-like structure's frame 21, and frame 21 is used for installing traveling system 3, steering system 4, braking system 5 and actuating system 6; a cover member 24 is provided on the frame 21.

Due to the adoption of the frame 21 with the truss structure, the light new energy racing car provided by the utility model can ensure the safety of drivers and reduce the weight of the whole car; the novel car racing car can be used for teaching in the related fields of new energy and cars, and can also be used as a car racing car in related entertainment places such as a kart yard for people to drive and ride.

Specifically, the frame 21 may be made of steel pipes through welding. The frame 21 is a truss structure (individual parts can be bent as required) composed of straight bars, and the truss frame 21 can fully utilize the strength of materials, save materials, reduce self weight and increase rigidity.

In one embodiment, the vehicle body system 2 further includes a carbon fiber seat 29, the carbon fiber seat 29 being connected to the bottom frame 23; the cover 24 is made of a carbon fibre material, in which case the weight of the frame system is further reduced.

As shown in fig. 1 to 3, the vehicle body system 2 specifically includes a vehicle frame 21, a floor panel 22, a bottom frame 23, a carbon fiber cover 24, a nose wing bracket, a nose wing 26, a tail bracket 27, a tail wing 28, a carbon fiber seat 29, and a headrest 210. The frame 21 is a truss structure; the bottom frame 23 is provided with bolt holes, the bottom of the frame 21 is provided with bolt fixing holes, and the bottom frame 23 and the bottom plate 22 are connected to the frame 21 through bolts; the frame 21, the bottom plate 22 and the bottom frame 23 are connected into a whole. The nose wings 26 are provided with fixing holes, the nose wings 26 are connected to the nose wing bracket through bolts, and the nose wing bracket is fixed on the frame 21 through screws, so that the nose wings 26 are fixed. A fixing hole is formed below the tail wing 28, and the tail wing 28 is connected to the tail wing bracket 27 through screws; the tail support 27 is composed of a left and a right fixing plates, and a cross bar is arranged between the two fixing plates, and the cross bar can increase the fixing rigidity of the tail support 27. The tail bracket 27 is attached to a welding lug of the frame 21 by screws. The bottom of the carbon fiber seat 29 is provided with four fixing holes, the bottom frame 23 is provided with four seat mounting holes corresponding to the four fixing holes, and the carbon fiber seat 29 is connected to the bottom frame 23 through bolts; the carbon fiber seat 29 may be a 5-point seat belt. A mounting hole of the headrest 210 is reserved above the frame 21, and the headrest 210 may be coupled to the frame 21 by a nut.

In one embodiment, the bottom frame 23 is made of aluminum material; further, the bottom frame 23 may be made of an aluminum alloy pipe.

In one embodiment, the frame 21 and the covering member 24 made of carbon fiber are connected with the frame 21 through a cable tie through a mounting hole inside the covering member 24 made of carbon fiber, so as to fix the covering member 24 made of carbon fiber on the frame; in this case, it is convenient for a learner to detach the cover 24 to observe the internal structure of the light-weight new energy racing car 1.

As shown in fig. 2 to 13, in one embodiment, the running system 3 includes a shock absorber 30, a suspension cross arm, a front wheel rim 32, a rear wheel rim 33, a front anti-roll bar set 34, a rear anti-roll bar set 35, a front carbon fiber push rod 361, a rear carbon fiber push rod 362, a front rocker 371, a rear rocker 372, a rim 38, and a tire 39.

In one embodiment, the travel system 3 includes a front suspension for mounting front wheels and a rear suspension for mounting rear wheels, both of which are unequal length double wishbone suspensions.

As shown in fig. 2 to 13, the suspension bridge includes a suspension bridge body 311, a radial bearing 312 (the radial bearing may be a GEG10C), a hole stopper 313 (the hole stopper may be a diameter 22), a rod end spherical plain bearing 314, and a stopper post 315. The radial bearing 312 is installed on the suspension cross arm main body 311 through a hole retainer ring 313, the rod end knuckle bearing 314 is installed in a pipe fitting with internal threads at two sides of the suspension cross arm main body 311 in a threaded connection mode, the limiting columns 315 are installed at two sides of the radial bearing 312 and the rod end knuckle bearing 314, the limiting columns 315 (the size of the limiting columns can be 8mm of an inner hole, 4mm of height, namely phi 8-4 limiting columns, and can be other sizes) at two sides of the rod end knuckle bearing 314 are installed on the front suspension and the rear suspension, the rod end knuckle bearing 314 and the limiting columns 315 of the suspension cross arm are connected through bolts, and the suspension cross arm is connected to the frame 21.

The front wheel rim 32 includes a front knuckle 321, a front hub 322, a front hub bearing 323, an oil seal 324, a rim bolt 325, a rim nut 326, a hub nut 327, a steel sleeve 328, a brake caliper 58, and a brake disc 59. The brake caliper 58 is fixed to the front knuckle 321, the brake disc 59 is fixed to the front hub 322, and the front knuckle 321 is assembled with the front hub 322 in an interference fit mode through a front hub bearing 323; the outer side of the front hub bearing 323 is provided with an oil seal 324, the outer side of the oil seal 324 is provided with a steel sleeve 328 and a hub nut 327, the effect of locking the front steering knuckle 321 is realized, and the front steering knuckle 321 is ensured not to be separated when a vehicle moves.

The rear wheel rim 33 includes a rear knuckle 331, a rear wheel hub 332, a front wheel hub bearing 323, a wheel rim bolt 325, a wheel rim nut 326, a brake caliper 58, and a brake disc 59. The rear wheel is a driving wheel of the light new energy racing car 1, the brake caliper 58 is fixed on the rear steering knuckle 331, the brake disc 59 is fixed on the rear wheel hub 332 through bolts, the rear wheel hub 332 and the rear steering knuckle 331 are matched together through an inner front wheel hub bearing 323 and an outer front wheel hub bearing 323, the inner side of the rear wheel hub 332 is provided with a spline matched with the half shaft 66, and the half shaft 66 is connected with the rear wheel hub 332 through the spline, so that driving running of a vehicle is realized. The brake caliper 58 and the brake disc 59 are mounted by round head hexagon socket head bolts, and the wheel edge is connected with the wheel through four rim bolts 325 of the rear hub 332, the model number of which is M10. When the vehicle runs, a driver steps on a brake pedal, and the brake caliper 58 drives the brake disc 59 which is clamped and rotates through a hydraulic circuit, so that the vehicle is braked. The tire 39 is mounted on the rim 38, the rim 38 and the tire 39 constitute a wheel of a light new energy racing car, and the rim 38 is fixed to the front hub 322 and the rear hub 332 by nuts.

In one embodiment, the front suspension of the light new energy racing car 1 is provided with a front anti-roll bar 342, the rear suspension is provided with a rear anti-roll bar 351, the front anti-roll bar 342 is connected to the bottom frame 23, and the rear anti-roll bar 351 is connected to the car frame 21.

In one embodiment, the front anti-roll bar kit 34 includes a bar end joint bearing 341, a front anti-roll bar 342, a front anti-roll bar fixing seat 343, a front anti-roll bar clasping seat 344, and a copper sleeve 345. The front anti-roll bar 342 is connected to the bottom frame 23 by a front anti-roll bar fixing seat 343 and a front anti-roll bar clasping seat 344 clamping a copper sleeve 345, completing the fixing of the front anti-roll bar 342. The rod end joint bearing 341 is connected with the front anti-roll rod 342 by using an M6 multiplied by 25 bolt and a locknut.

In one embodiment, the rear anti-roll bar kit 35 includes a bar end joint bearing 341, a rear anti-roll bar 351, a rear anti-roll bar fixing seat 352, a rear anti-roll bar clasping seat 353, and a copper sleeve 345. The rear anti-roll bar 351 is connected to the frame 21 through the rear anti-roll bar fixing seat 352 and the rear anti-roll bar clasping seat 353, which clamp the copper sleeve 345, and the fixing of the rear anti-roll bar 351 is completed. The rod end oscillating bearing 341 is connected with the rear anti-roll rod 351 by using an M6 multiplied by 25 bolt and a locknut.

In one embodiment, the front wheel portion of the travel system includes shock absorbers 30, a front suspension crossbar 3110, a front wheel rim 32, a front anti-roll bar kit 34, a front carbon fiber push bar 361, front rockers 371, and restraint posts 315. One side of the shock absorber 30 is connected with a fixed point of the frame 21, the other side is connected with the front rocking block 371, and M8 multiplied by 40 bolts and locknuts are adopted at the joints of the two sides; one side of the front carbon fiber push rod 361 is connected with a front rocking block 371, and the joint adopts a phi 8-6 limiting column, an M8 multiplied by 40 bolt and a locknut; the other side of the front carbon fiber push rod 361 is connected with a front suspension cross arm 3110 by adopting M8 multiplied by 25 bolts and locknuts; the joint bearings 314 of the rod ends at the two sides of the front suspension cross arm 3110 are connected with a fixed point of the frame 21, the joint adopts a phi 8-4 limiting column, the radial bearing 312 is connected with the front steering knuckle 321 and adopts a phi 10-6 limiting column, an M10 multiplied by 50 bolt and a locknut; the connection of the front suspension cross arm 3110 and the frame 21 adopts a phi 10-14 limiting column, an M10 multiplied by 65 bolt and a locknut; the front anti-roll bar suite 34 is connected with the bottom frame 23 by adopting M8 multiplied by 45 bolts and locknuts; the front anti-roll bar suite 34 is connected with a front suspension cross arm 3110 by adopting M6 multiplied by 20 bolts and locknuts; the steering rod 42 of the steering system 4 is connected with the front steering knuckle 321 by a phi 8-4 limit column 315, an M8 multiplied by 40 bolt and a locknut; the front wheel rim 32 may be made of 7075T6 aluminum alloy material.

In one embodiment, the rear wheel portions of the travel system include shock absorbers 30, rear wheel rims 33, rear suspension cross arm 3111, rear anti-roll bar kit 35, rear carbon fiber push rods 362, rear rockers 372. One side of the shock absorber 30 is connected with a fixed point of the frame 21, the other side of the shock absorber is connected with the rear rocking block 372, and M8 multiplied by 40 bolts and locknuts are adopted at the joints of the two sides; the rear rocking block 372 is arranged on the frame 21 and adopts an M8 multiplied by 40 bolt and a locknut; one side of the rear carbon fiber push rod 362 is connected with a rear rocking block 372, a limit column 315 with the specification of phi 8-6 is adopted at the joint, an M8 multiplied by 40 bolt and a locknut are adopted, the other side of the rear carbon fiber push rod 362 is connected with a rear steering knuckle 331, and the limit column with the specification of phi 8-9, the M8 multiplied by 50 bolt and the locknut are adopted; rod end joint bearings 314 on two sides of the cross arm 3111 of the rear suspension are respectively connected with a fixed point of the frame 21, and the connection positions respectively adopt a phi 8-4 limiting column; the upper cross arm of the rear suspension at the radial bearing 312 adopts a limiting column with the specification of phi 10-9, an M10 multiplied by 55 bolt and a locknut, and the cross arm 3111 of the rear suspension adopts a limiting column with the specification of phi 10-7, a limiting column 315 with the specification of phi 10-4, an M10 multiplied by 140 bolt and a locknut; the rear anti-roll bar fixing seat 352 is directly welded on the frame 21 and is connected with the rear rocking block 372 by adopting a limit column with the specification of phi 6-7.5, an M6 multiplied by 40 bolt and a locknut. When the wheel is jumping, the rear wheel rim 33 transmits force to the rear carbon fiber push rod 362, the rear carbon fiber push rod 362 transmits force to the shock absorber 30 through the rear rocker 372, and the shock absorber 30 completes compression rebound. The rear wheel rim 33 may be made of 7075T6 aluminum alloy material.

As shown in fig. 14 and 15, in one embodiment, the steering system 4 includes a steering gear 41, a steering rod 42, a steering column, a universal joint 44, a steering wheel quick release device 45, a steering wheel 46, a steering gear fixing base 47, and a rod end joint bearing 48. The steering wheel 46 of the steering system 4 is mechanically connected with the steering wheel quick-release device 45 into a whole through a bolt, the steering wheel quick-release device 45 is connected with the steering column through a spline, and the steering wheel 46 can be quickly pulled out from the upper end 431 of the steering column by pulling the steering wheel quick-release device 45; the upper end 431 of the steering column is connected with the lower end 432 of the steering column through a universal joint 44, and the lower end 432 of the steering column is connected with a steering gear shaft of a steering gear 41 through 2 bolts and locknuts; the steering machine 41 and the steering pull rod 42 are connected to the wheel side of the light new energy racing car 1 through a rod end joint bearing 48; the steering gear 41 is connected with the frame 21 (shown in fig. 1) through four mounting hole positions of the steering gear fixing seat 47 by using M6 bolts and locknuts; a sleeve outside a bearing at the upper end of the steering column is connected with a frame 21 (shown in figure 1) in a welding mode, so that the steering system 4 is connected with the frame 21 (shown in figure 1); the housing of the steering gear 41 can be made of 7075T6 aluminum alloy material to reduce the weight of the entire vehicle.

As shown in FIG. 16, in one embodiment, the brake system 5 includes a brake pedal 51, a brake spider 52, a master cylinder 53, a brake reservoir 54, a brake spider 55, a brake oil tube, a three-way valve, a brake caliper 58, and a brake disc 59. Assembly of the braking system 5: the brake balance rod 52 is connected with the brake pedal 51 through a radial bearing on the brake balance rod 52; the push rod of the brake master cylinder 53 is in threaded connection with the connecting seat on the brake balance rod 52; the brake master cylinder 53 is connected with the brake support 55 by adopting an M6 multiplied by 85 bolt and a locknut; the brake pedal 51 is connected with the brake support 55 through an M8 multiplied by 50 bolt and a locknut; the brake pedal 51 is connected with the frame by M6 multiplied by 40 bolts and locknuts through three fixing hole positions on the brake support 55; the brake reservoir tank 54 supplies the brake master cylinder 53 with brake fluid through a hose. The front brake master cylinder is connected with the brake calipers 58 on the left and right front wheels through a brake oil pipe and a three-way valve, and the rear brake master cylinder is connected with the brake calipers 58 on the left and right rear wheels through a brake oil pipe and a three-way valve; the front wheel side and the rear wheel side are respectively provided with independent hydraulic brake circuits, each hydraulic brake circuit controls two wheels, and once any point in one hydraulic brake circuit leaks or fails, effective braking force can still be maintained on at least the other two wheels; further, each hydraulic brake circuit has its own brake reservoir 54, i.e., in the form of a separate reservoir. The brake pedal 51 may be made of 7075T6 aluminum alloy material.

As shown in FIG. 17, in one embodiment, drive system 6 includes a battery box 61, an electric motor 62, a motor controller 63, a transmission 64, a transmission extension shaft 65, and half shafts 66. The battery case 61 and the motor controller 63 are disposed in a space behind the carbon fiber seat 29 (shown in fig. 1) and in front of the transmission case 64, and the battery case 61 and the motor controller 63 are fixed to the bottom frame 23 (shown in fig. 2) by bolting. The gearbox lengthened shaft 65 is connected with the output shaft of the gearbox 64 through a spline; the gearbox lengthened shaft 65 is connected with the shell of the gearbox 64 through a mounting flange by adopting M8 multiplied by 15 bolts; the half shaft 66 is connected with the gearbox lengthened shaft 65 through a spline; the connection of the drive system 6 to the frame is fixed to the frame 21 (shown in fig. 1) by three connection points using M8 x 20 bolts and locknuts. The outer cages of the half shafts 66 are splined to the rear wheel rim 33, completing the driving of the rear wheels.

In one embodiment, the power supply voltage of the battery box 61 is 60V, and on the premise of safety protection, compared with a new energy passenger car driven by hundreds of volts of high voltage, the danger of learners when using the related knowledge of the light-weight new energy racing car driving system can be reduced.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The light new energy racing car is characterized by comprising a car body system, a running system, a steering system, a braking system and a driving system, wherein the car body system comprises a truss-structured car frame, and the car frame is used for installing the running system, the steering system, the braking system and the driving system; a covering part is arranged on the frame.

2. The light-weight new energy racing car of claim 1, wherein the car body system further comprises a bottom frame and a floor provided to the bottom frame, the car frame being connected to the bottom frame; the bottom frame is made of aluminum material.

3. The light-weight new energy racer of claim 2, wherein the body system further comprises a carbon fiber seat connected to the bottom frame; the covering piece is made of carbon fiber materials.

4. The light-weight new energy racing car of claim 1, wherein the cover is attached to the frame by a tie.

5. The new energy racing car of any one of claims 1 to 4, wherein the drive system includes an electric motor, a transmission connected to an output shaft of the electric motor, a battery box for powering the electric motor, a motor controller for controlling the electric motor, and half shafts connected to output shafts of the transmission, the half shafts being connected to wheels.

6. The lightweight new energy racer of claim 2, wherein the travel system comprises a front suspension for mounting front wheels and a rear suspension for mounting rear wheels, the front and rear suspensions each being unequal length wishbone suspensions.

7. The new energy racing car of claim 6, wherein the front suspension is provided with a front anti-roll bar, the rear suspension is provided with a rear anti-roll bar, the front anti-roll bar is connected to the bottom frame, and the rear anti-roll bar is connected to the car frame.

8. The light-weight new energy racing car of any one of claims 1 to 4, wherein the steering system comprises a steering gear, a steering rod, a steering column, a universal joint, a steering wheel quick release device, and a steering wheel; the steering wheel is connected with the steering column through the steering wheel quick-release device, the upper end of the steering column is connected with the lower end of the steering column through a universal joint, and the lower end of the steering column is connected with a gear shaft of the steering engine; the steering pull rod is connected to a wheel; the steering engine is connected to the frame through a steering engine fixing seat; the upper end of the steering column is rotatably connected to a sleeve, and the sleeve is welded to the frame.

9. The light-weight new energy racing car of claim 2, wherein the braking system comprises a brake pedal, a brake balancing lever, a master cylinder, a brake support, a brake caliper, and a brake disc that mates with the brake caliper; the brake balance rod is connected with the brake pedal, and the push rod of the brake master cylinder is connected with the brake balance rod; the brake master cylinder is connected with the brake support; the braking support is connected with the bottom frame; the brake master cylinder is connected with the brake calipers respectively arranged on the front wheel and the rear wheel through a front brake circuit and a rear brake circuit.