CN216268483U - Rear axle structure of formula car - Google Patents
Rear axle structure of formula car Download PDFInfo
- Publication number
- CN216268483U CN216268483U CN202122981033.7U CN202122981033U CN216268483U CN 216268483 U CN216268483 U CN 216268483U CN 202122981033 U CN202122981033 U CN 202122981033U CN 216268483 U CN216268483 U CN 216268483U
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- Prior art keywords
- rear axle
- frame
- axle fixing
- mount pad
- engine
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- 230000005540 biological transmission Effects 0.000 claims abstract description 28
- 239000000463 material Substances 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 3
- 239000004917 carbon fiber Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a rear axle structure of an equation racing car, which comprises a chassis, wherein an engine mounting seat is arranged on the rear side of the upper end of the chassis, an engine is installed on the engine mounting seat, a rear axle fixing seat is fixedly arranged at the tail end of the engine mounting seat, the rear axle fixing seat is fixedly arranged on the chassis, rear frames are connected to the left end and the right end of the rear axle fixing seat, a hub mounting seat is connected to one side, away from the rear frames, of the left side and the right side, wheels are installed outside the hub mounting seat, a transmission half shaft is connected between the hub mounting seat and the rear axle fixing seat, and the transmission half shaft is in transmission connection with an output shaft of the engine.
Description
Technical Field
The utility model relates to the technical field of racing cars, in particular to a rear axle structure of an equation racing car.
Background
The transmission systems of the existing formula racing cars are all chain wheel transmission systems, however, the polygonal effect must exist in the chain wheel transmission, the uniformity and the synchronism of transmission movement can be seriously influenced by the polygonal effect, the transmission ratio is unstable, if the polygonal effect is weakened, a large chain wheel needs to be adopted, the large chain wheel and a chain very occupy the space in a frame, the volume and the mass of a transmission structure are both large, the wind resistance of the racing cars is improved, and the performance of the racing cars is influenced.
Through search, chinese patent No. CN 111347876 a discloses a rear axle of an equation car and an equation car, which replace the original sprocket drive by gear drive, but do not improve the effect on the occupied area and the overall quality, and the rear axle has a complex installation structure, a complex vehicle bracket, is not beneficial to reducing the wind resistance and the vehicle weight, and has poor vehicle performance, so there is a need for a rear axle structure of an equation car.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the defects in the prior art and provides a rear axle structure of an equation car.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides an equation motorcycle race rear axle structure, includes the chassis, chassis upper end rear side is provided with the engine mount pad, install the engine on the engine mount pad, the engine mount pad tail end is fixed and is provided with the rear axle fixing base, the rear axle fixing base is fixed to be set up on the chassis, both ends are connected with the after-frame about the rear axle fixing base, and the after-frame of the left and right sides leaves one side mutually and is connected with the wheel hub mount pad, the wheel is installed outward to the wheel hub mount pad, be connected with the transmission semi-axis between wheel hub mount pad and the rear axle fixing base, the transmission is connected between transmission semi-axis and the engine output shaft.
Further, the rear frame comprises a cross frame and an inclined frame, one end of the cross frame and one end of the inclined frame are respectively welded and fixed with the front side and the rear side of the rear axle fixing seat, the other ends of the cross frame and the inclined frame are integrally connected with each other, and the other ends of the cross frame and the inclined frame are welded and fixed with the hub mounting seat.
Furthermore, the rear frames installed on the left side and the right side of the rear axle fixing seat are respectively provided with two groups in the vertical direction.
Furthermore, the upper ends of the transverse frames at the left side and the right side are welded with the empennages.
Furthermore, the rear axle fixing seat is arranged in a hollow mode, and the rear axle fixing seat and the rear frame are made of carbon fiber materials.
Compared with the prior art, the utility model has the beneficial effects that:
the rear axle fixing seat is arranged above the tail of the chassis, rear axles are fixedly arranged at the left end and the right end of each rear axle fixing seat, rear frames are connected to the left end and the right end of each rear axle fixing seat, the rear frames on the left side and the right side are connected with the hub mounting seats away from one side and used for mounting wheels, a transmission half shaft is connected between each hub mounting seat and each rear axle fixing seat and is in transmission connection with an engine output shaft, the rear axle fixing seats are arranged in a hollow mode, the rear frames are light in overall structure and material, high in strength, simple in structure and light in weight, the performance of the racing bicycle is greatly improved, and the rear axle fixing seat is worthy of popularization and use.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
FIG. 1 is a schematic view of a top-down perspective structure of a rear axle structure of an equation car according to the present invention;
FIG. 2 is a schematic rear perspective view of a rear axle structure of the formula racing car according to the present invention;
FIG. 3 is a schematic view of a rear perspective structure of a rear axle structure of an equation car with wheels removed according to the present invention;
fig. 4 is a schematic diagram of a right-view perspective structure of a rear axle structure of an equation car with wheels removed according to the present invention.
In the figure: 1-chassis, 2-engine mounting seat, 3-engine, 4-rear frame, 5-rear frame mounting seat, 6-empennage, 7-transverse frame, 8-oblique frame, 9-wheel, 10-transmission half shaft and 11-hub mounting seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, an equation motorcycle race rear axle structure, including chassis 1, 1 upper end rear side on chassis is provided with engine mount pad 2, install engine 3 on the engine mount pad 2, 2 tail end fixings of engine mount pad are provided with rear axle fixing base 5, rear axle fixing base 5 is fixed to be set up on chassis 1, both ends are connected with after-frame 4 about rear axle fixing base 5, and after-frame 4 of the left and right sides is from one side mutually and is connected with wheel hub mount pad 11, wheel 9 is installed outward to wheel hub mount pad 11, be connected with transmission semi-axis 8 between wheel hub mount pad 11 and the rear axle fixing base 5, transmission connection between transmission semi-axis 8 and the 3 output shafts of engine.
The utility model relates to an equation racing car rear frame, which specifically comprises a chassis 1, wherein a rear axle fixing seat 5 is fixedly arranged above the tail part of the chassis, the left end and the right end of the rear axle fixing seat 5 are connected with rear frames 4, one side of each rear frame 4 away from the left side and the right side is connected with a hub mounting seat 11 for mounting a wheel 9, a transmission half shaft 8 is connected between each hub mounting seat 11 and the corresponding rear axle fixing seat 5, and the transmission half shaft 8 is in transmission connection with an output shaft of an engine 3 to realize the mounting of a rear hub of a racing car;
differential mechanism and reduction gear are installed to rear axle fixing base 5 to realize being connected with the transmission between transmission semi-axis 8 through the belt, realize the driving installation of cycle racing rear axle.
The rear frame 4 comprises a transverse frame 7 and an inclined frame 10, one end of the transverse frame 7 and one end of the inclined frame 10 are respectively welded and fixed with the front side and the rear side of the rear axle fixing seat 5, the other ends of the transverse frame 7 and the inclined frame 10 are integrally connected with each other, and the other ends of the transverse frame 7 and the inclined frame 10 are welded and fixed with the hub mounting seat 11.
The cross frame 7 and the inclined frame 10 are arranged in a V shape, the rear axle fixing seat 5 and the hub mounting seat 11 are fixedly connected through the cross frame 7 and the inclined frame 10, the structure is simple, the mounting strength is high, the quality of the whole automobile can be reduced, the wind resistance of the racing automobile is reduced, and the speed of the racing automobile is improved.
The rear frames 4 arranged on the left side and the right side of the rear axle fixing seat 5 are respectively provided with two groups in the vertical direction.
The two sets of rear frames 4 can completely connect the chassis 1, the rear axle fixing seat 5 and the hub mounting seat 11 with high strength, and the structural strength is high.
The upper ends of the transverse frames 7 on the left side and the right side are welded with the empennages 6, so that the wind resistance is reduced, and the speed of the racing car is improved.
Rear axle fixing base 5 is the cavity setting, rear axle fixing base 5 and after-poppet 4 adopt carbon fiber material, and the after-poppet overall structure material is light, and intensity is high, simple structure, and the quality is light, has greatly improved the cycle racing performance.
The working principle and the using process of the utility model are as follows: the utility model relates to an equation racing car rear frame, which specifically comprises a chassis 1, wherein a rear axle fixing seat 5 is fixedly arranged above the tail part of the chassis, the left end and the right end of the rear axle fixing seat 5 are connected with rear frames 4, one side of each rear frame 4, which is away from the left side, is connected with a hub mounting seat 11 for mounting a wheel 9, a transmission half shaft 8 is connected between each hub mounting seat 11 and the rear axle fixing seat 5, and the transmission half shaft 8 is in transmission connection with an output shaft of an engine 3.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. The utility model provides an equation motorcycle race rear axle structure, includes chassis (1), its characterized in that, chassis (1) upper end rear side is provided with engine mount pad (2), install engine (3) on engine mount pad (2), engine mount pad (2) tail end is fixed and is provided with rear axle fixing base (5), rear axle fixing base (5) are fixed to be set up on chassis (1), both ends are connected with after-frame (4) about rear axle fixing base (5), and after-frame (4) of the left and right sides are separated one side mutually and are connected with wheel hub mount pad (11), wheel (9) are installed outward to wheel hub mount pad (11), be connected with transmission semi-axis (8) between wheel hub mount pad (11) and rear axle fixing base (5), transmission connection between transmission semi-axis (8) and engine (3) output shaft.
2. The rear axle structure of the formula racing car as claimed in claim 1, wherein the rear frame (4) comprises a cross frame (7) and a sloping frame (10), one end of the cross frame (7) and one end of the sloping frame (10) are respectively welded and fixed with the front side and the rear side of the rear axle fixing seat (5), the other ends of the cross frame (7) and the sloping frame (10) are integrally connected with each other, and the other ends of the cross frame (7) and the sloping frame (10) are welded and fixed with the hub mounting seat (11).
3. The rear axle structure of formula racing car as claimed in claim 2, wherein there are two sets of rear frames (4) installed on the left and right sides of the rear axle fixing seat (5) in the vertical direction.
4. The rear axle structure of formula racing car as claimed in claim 3, wherein the upper ends of the left and right side frames (7) are welded to the rear wing (6).
5. The rear axle structure of formula racing car as claimed in claim 4, wherein the rear axle fixing seat (5) is hollow, and the rear axle fixing seat (5) and the rear frame (4) are made of carbon fiber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122981033.7U CN216268483U (en) | 2021-11-30 | 2021-11-30 | Rear axle structure of formula car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122981033.7U CN216268483U (en) | 2021-11-30 | 2021-11-30 | Rear axle structure of formula car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216268483U true CN216268483U (en) | 2022-04-12 |
Family
ID=81040208
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122981033.7U Expired - Fee Related CN216268483U (en) | 2021-11-30 | 2021-11-30 | Rear axle structure of formula car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216268483U (en) |
-
2021
- 2021-11-30 CN CN202122981033.7U patent/CN216268483U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220412 |