CN215577320U - Simulation demonstration model car capable of enabling rear wheels to be linked with front wheels - Google Patents
Simulation demonstration model car capable of enabling rear wheels to be linked with front wheels Download PDFInfo
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- CN215577320U CN215577320U CN202121188359.8U CN202121188359U CN215577320U CN 215577320 U CN215577320 U CN 215577320U CN 202121188359 U CN202121188359 U CN 202121188359U CN 215577320 U CN215577320 U CN 215577320U
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Abstract
The utility model relates to a simulation demonstration model car capable of linking rear wheels and front wheels, which comprises a chassis, two front wheels, two rear wheels and a steering mechanism, and is characterized in that: the steering mechanism comprises a front wheel steering mechanism, a rear wheel steering mechanism and a linkage control mechanism, the front wheel steering mechanism comprises a front wheel steering engine, the rear wheel steering mechanism comprises a rear wheel steering engine arranged on a chassis and a rear wheel linkage assembly connected with the rear wheel steering engine and the rear wheel, the linkage control mechanism is electrically connected with the front wheel steering engine and the rear wheel steering engine, and the rear wheel steering engine enables the rear wheel and the front wheel to perform linkage steering in the same phase or the opposite phase through linkage control of the linkage control mechanism. The utility model can lead the rear wheel to be steered in the same phase or in the opposite phase with the front wheel according to the requirement, has high safety of automobile driving, flexible and stable steering and long service life of the front wheel.
Description
Technical Field
The utility model relates to the field of model vehicles, in particular to a simulation demonstration model vehicle which can enable rear wheels and front wheels to be linked for a vehicle exhibition.
Background
Automobile steering is one of the more important operations in the automobile operation process. In order to facilitate users to know the performance of the vehicles, simulation model vehicles are commonly used in the vehicle exhibitions for operation demonstration. Traditional automobile steering drive mechanism only sets up at the front wheel and turns to the structure, and comparatively single and stable inadequately has following several shortcomings:
1. if the front wheels simultaneously take over the tasks of driving the vehicle to run and steer, when the vehicle turns, the situation that the vehicle is out of control due to understeer can easily occur, and the safe running of the vehicle is influenced.
2. If the wheel base of the vehicle is too long, the front wheel driving and steering design is adopted, and the turning flexibility of the whole vehicle is very poor.
3. Because the front wheel bears a large load, the tire of the front wheel is worn quickly when the model car is used for a long time.
4. When the vehicles are merged at a high speed, if only the front wheels are steered, the tail of the vehicle can swing obviously, the running stability is reduced, and the control difficulty is increased.
Disclosure of Invention
The present invention aims to solve the above problems and disadvantages, and to provide a simulation demonstration model car which can make the rear wheels turn in phase or in phase opposite to the front wheels as required, has high safety in driving, flexible and stable steering, easy control, and long service life of the front wheels, and can make the rear wheels and the front wheels linked.
The technical scheme of the utility model is realized as follows:
the utility model relates to a simulation demonstration model car capable of linking rear wheels and front wheels, which comprises a car chassis, two front wheels, two rear wheels and a steering mechanism, wherein the two front wheels, the two rear wheels and the steering mechanism are arranged on the car chassis, and the simulation demonstration model car is characterized in that: the steering mechanism comprises a front wheel steering mechanism and a rear wheel steering mechanism, and a linkage control mechanism for making the rear wheel and the front wheel steer in a linkage manner, wherein the front wheel steering mechanism comprises a front wheel steering engine and a front wheel linkage assembly connected with the front wheel steering engine and the front wheel, the rear wheel steering mechanism comprises a rear wheel steering engine arranged on a chassis and a rear wheel linkage assembly connected with the rear wheel steering engine and the rear wheel, the linkage control mechanism is electrically connected with the front wheel steering engine and the rear wheel steering engine, and the rear wheel steering engine passes through the linkage control mechanism to make the rear wheel and the front wheel perform same-phase or opposite-phase linkage steering.
Further, the method comprises the following steps: the rear wheel steering mechanism is provided with two rear wheel steering engines for respectively controlling two rear wheels, and the rear wheel linkage assembly comprises rear wheel steering knuckles arranged on the rear wheels and a rear wheel steering connecting rod for connecting the corresponding rear wheel steering knuckles with the rear wheel steering engines.
The front wheel steering mechanism comprises a front wheel steering mechanism, a front wheel linkage assembly and a linkage assembly, wherein the front wheel steering mechanism in the front wheel steering mechanism is a main steering mechanism for simultaneously controlling the steering of two front wheels, and the front wheel linkage assembly comprises front wheel steering knuckles respectively arranged on the front wheels, two front wheel steering connecting rods connected with the front wheel steering knuckles, a driving rod connected with the main steering mechanism and a linkage piece connected with the driving rod and the two front wheel steering connecting rods and realizing linkage.
Further, the method comprises the following steps: the linkage control mechanism has a linkage structure with two different control modes, one is a low-speed mode for steering the rear wheels and the front wheels in opposite phases (opposite directions are opposite phases), and the other is a high-speed mode for steering the rear wheels and the front wheels in the same phase (same directions). When the model car is in a low-speed mode and the front wheel steering engine drives the front wheels to steer in a first direction, the rear wheels are driven by the rear wheel steering engine and the rear wheel linkage assembly, and the rear wheels steer in a second direction opposite to the first direction; when the model car is in a high-speed mode and the front wheel steering engine drives the front wheels to steer towards the first direction, the rear wheels are driven by the rear wheel steering engine and the rear wheel linkage assembly, and the rear wheels steer towards the first direction.
In order to ensure that the rear tire surface can have the maximum ground contact area with the road surface, the rear wheel is also provided with a second connecting rod which is matched with the rear wheel steering knuckle to restrict the camber angle of the rear wheel.
In order to realize the remote control operation, a control circuit board is arranged on the chassis, the linkage control mechanism is a program control module arranged on the control circuit board, and a remote control receiving circuit matched with a remote controller is also arranged on the control circuit board.
Further, the method comprises the following steps: and a driving mechanism for driving the two rear wheels to rotate is arranged between the two rear wheels. The chassis is provided with a triangular rotating plate and a connecting pull rod, and the two ends of the connecting pull rod are respectively connected with the triangular rotating plate and the driving mechanism.
Compared with the prior art, the application has the advantages that:
1. the steering of the rear wheels is controlled by two independent rear wheel steering engines of the rear wheels and an additional linkage control mechanism. And the steering angle and direction of the rear wheel are subjected to linkage steering according to the angle of the front wheel and different driving requirements. The two front wheels and the two rear wheels of the model car can swing in the same direction to steer, so that the turning flexibility of the model car is improved, and the turning radius of the model car is shortened; and the two front wheels and the two rear wheels of the model car can swing reversely, so that the high-speed doubling stability of the model car is improved, and the control pleasure of the model car is increased.
2. The steering is stable, and the driving safety of the automobile is high.
3. The rear wheels and the front wheels can be in linkage steering, the steering load borne by the front wheels is reduced, and the service life of the front wheels is effectively prolonged.
The utility model will be further described with reference to the accompanying drawings.
Drawings
FIGS. 1-2 are schematic structural views of the present invention;
fig. 3 is a schematic view of the assembly structure of the present invention.
Detailed Description
As shown in fig. 1-3, the simulation demonstration model car capable of linking rear wheels and front wheels comprises a car chassis 1, two front wheels 2 and two rear wheels 3 arranged on the car chassis 1, a steering mechanism, and a car head arranged at the front end of the car chassis, wherein a motor and a motor gear set for driving the front wheels to rotate are arranged in the car head, the steering mechanism comprises a front wheel steering mechanism 4, a rear wheel steering mechanism 5 and a linkage control mechanism, the front wheel steering mechanism 4 comprises a front wheel steering engine 41 and a front wheel linkage assembly for connecting the front wheel steering engine 41 and the front wheels, the rear wheel steering mechanism 5 comprises a rear wheel steering engine 51 arranged on the car chassis 1 and a rear wheel linkage assembly for connecting the rear wheel steering engine 51 and the rear wheels 3, the linkage control mechanism is electrically connected with the front wheel steering engine 41 and the rear wheel steering engine 51, and the rear wheel steering engine 51 makes the rear wheels and the front wheels perform linkage steering in-phase or in-phase through linkage control of the linkage control mechanism And (3) direction. Wherein the two rear wheels can be controlled by a total rear wheel steering rudder; preferably, two rear wheel steering actuators 51 for respectively controlling two rear wheels are arranged in the rear wheel steering mechanism 5, and the rear wheel linkage assembly is arranged on a rear wheel steering knuckle 52 on each rear wheel 3 and a rear wheel steering connecting rod 53 for connecting the corresponding rear wheel steering knuckle 52 and the rear wheel steering actuator 51. The rear wheel steering engine 51 is a power source for steering the rear wheels, and controls the steering and turning angle of the left and right rear wheels independently. The linkage control mechanism is a linkage structure having two different control modes, one is a low speed mode in which the rear wheels 3 and the front wheels 2 operate in opposite phases, and the other is a high speed mode in which the rear wheels 3 and the front wheels 2 operate in the same phase. When the model car is in a low-speed mode and the front wheel steering engine drives the front wheels to steer in a first direction, the rear wheels are driven by the rear wheel steering engine and the rear wheel linkage assembly, and the rear wheels steer in a second direction opposite to the first direction; when the model car is in a high-speed mode and the front wheel steering engine drives the front wheels to steer towards the first direction, the rear wheels are driven by the rear wheel steering engine and the rear wheel linkage assembly, and the rear wheels steer towards the first direction. In addition, the linkage control mechanism can be switched between two control modes by manual switching and by a program on a control program module, and if the linkage control mechanism is controlled by the program, the program is common, such as a four-wheel control program of a four-wheel drive vehicle. In order to realize the remote control operation, a control circuit board is arranged on the chassis 1, the linkage control mechanism is a program control module arranged on the control circuit board, and a remote control receiving circuit matched with a remote controller is also arranged on the control circuit board.
The two front wheels are connected together through a wheel shaft, and a motor gear set in the vehicle head drive the wheel shaft to drive the two front wheels to rotate. The vehicle head is also provided with a shock absorber 9 of a wheel steering fixer. The front wheel steering gear 41 in the front wheel steering mechanism 4 is a total steering gear for simultaneously controlling the steering of the two front wheels 2, and the front wheel linkage assembly comprises front wheel steering knuckles respectively arranged on the front wheels 2, two front wheel steering connecting rods connected with the front wheel steering knuckles, a driving rod connected with the total steering gear, and a linkage member connected with the driving rod and the two front wheel steering connecting rods and realizing linkage. The front wheel steering engine 41 drives the linkage member to swing through the driving rod, and pushes and pulls the two front wheel steering connecting rods through the linkage member to simultaneously control the left front wheel and the right front wheel to swing in the same direction. A driving mechanism 6 for driving the two rear wheels 3 to rotate is arranged between the two rear wheels 3. The two rear wheels 3 are connected through a rear wheel shaft, and the driving mechanism comprises a vehicle tail support and a gear transmission set capable of driving the rear wheel shaft to rotate. In order to ensure that the rear tire tread has the maximum ground contact area with the road surface, the steering is more stable, and the safety of the automobile in running is higher, the rear wheel is also provided with a second connecting rod 8 which is matched with the rear wheel steering knuckle 52 and is used for restricting the camber angle of the rear wheel. The second connecting rod can reach two ends to be respectively connected with connecting pieces on the chassis and the rear wheel. Or two ends of the rear frame are respectively connected with the tail support and the rear wheel steering knuckle 52; or the two ends are respectively connected with the connecting pieces on the tailstock bracket and the rear wheel, and the like. In order to improve the torsion resistance of the chassis, the chassis 1 is also provided with a triangular rotating plate 7 and a connecting pull rod with two ends respectively connected with the triangular rotating plate 7 and the driving mechanism 6.
The following describes in further detail the specific working principle of an embodiment of the present invention with reference to the accompanying drawings:
when the remote control device is used, a low-speed mode is selected on the remote controller, then left turning is selected, the model car drives at low speed, two front wheels are turned to the left through the front wheel steering engine, the left rear wheel and the right rear wheel respectively provide steering power for the left rear wheel and the right rear wheel through the rear wheel steering engine (RWS) of the left rear wheel and the right rear wheel through the linkage control mechanism, a Steering Connecting Rod (SCR) is pushed, the SCR respectively pulls (pushes) a Rear Wheel Steering Knuckle (RWSK), and the left rear wheel and the right rear wheel are simultaneously turned to the right. The beneficial effects of the operation are as follows: compared with the steering only with the front wheel, the steering radius can be shortened, and the driving safety can be improved.
If a high-speed mode is selected on a remote controller, and then left-turning doubling is selected, the front-wheel steering rudder controls the front wheels to perform left-turning doubling at the moment, a linkage control mechanism enables the left and right rear wheels to respectively provide steering power for the left and right rear wheels by utilizing respective RWS, the SCR is pushed, the SCR respectively pulls (pushes) the RWSK, and the left and right rear wheels simultaneously perform left-turning. The beneficial effects of the operation are as follows: compared with the method that only the front wheels guide the vehicle to be in parallel, the operation mode can effectively improve the stability of the tail of the model vehicle, reduce the swing amplitude of the tail and realize the parallel effect of the translation model vehicle.
While the utility model has been described with reference to specific embodiments, this description is not meant to be construed in a limiting sense. Other variations of the disclosed embodiments, as would be appreciated by those skilled in the art with reference to the description of the utility model, are contemplated as falling within the scope of the appended claims.
Claims (7)
1. The utility model provides a can make emulation demonstration model car of rear wheel and front wheel linkage, includes vehicle bottom dish (1), two front wheel (2) and two rear wheel (3), steering mechanism of device on vehicle bottom dish (1), its characterized in that: the steering mechanism comprises a front wheel steering mechanism (4), a rear wheel steering mechanism (5) and a linkage control mechanism capable of enabling a rear wheel (3) and a front wheel (2) to be in linkage steering, wherein the front wheel steering mechanism (4) comprises a front wheel steering engine (41) arranged on a chassis (1) and a front wheel linkage assembly connected with the front wheel steering engine (41) and the front wheel (2), the rear wheel steering mechanism (5) comprises a rear wheel steering engine (51) arranged on the chassis (1) and a rear wheel linkage assembly connected with the rear wheel steering engine (51) and the rear wheel (3), the linkage control mechanism is electrically connected with the front wheel steering engine (41) and the rear wheel steering engine (51), and the rear wheel steering engine (51) enables the rear wheel and the front wheel to be in phase or in reverse phase linkage steering through linkage control of the linkage control mechanism;
the linkage control mechanism is a linkage structure with two different control modes, one mode is a low-speed mode enabling a rear wheel (3) and a front wheel (2) to work in opposite phases, the other mode is a high-speed mode enabling the rear wheel (3) and the front wheel (2) to work in the same phase, when the model car is in the low-speed mode and the front wheel steering engine (41) drives the front wheel (2) to steer towards a first direction, the rear wheel (3) is driven by the rear wheel steering engine (51) and a rear wheel linkage component, and the rear wheel (3) steers towards a second direction opposite to the first direction; when the model car is in a high-speed mode and the front wheel steering engine (41) drives the front wheel (2) to steer towards the first direction, the rear wheel (3) is driven by the rear wheel steering engine (51) and the rear wheel linkage assembly, and the rear wheel (3) steers towards the first direction.
2. The simulated demonstration model vehicle of claim 1, wherein: the rear wheel steering mechanism (5) is internally provided with two rear wheel steering engines (51) which respectively control two rear wheels (3), and the rear wheel linkage assembly comprises rear wheel steering knuckles (52) respectively arranged on the rear wheels (3) and a rear wheel steering connecting rod (53) which is connected with the corresponding rear wheel steering knuckles (52) and the rear wheel steering engines (51).
3. The simulated demonstration model vehicle of claim 2, wherein: and a second connecting rod (8) which is matched with the rear wheel steering knuckle (52) to restrict the camber angle of the rear wheel (3) is arranged on the rear wheel (3).
4. The simulated demonstration model vehicle of claim 1, wherein: the chassis (1) is provided with a control circuit board, the linkage control mechanism is a program control module arranged on the control circuit board, and the control circuit board is also provided with a remote control receiving circuit matched with a remote controller.
5. The simulated demonstration model vehicle of claim 1, wherein: a driving mechanism (6) for driving the two rear wheels (3) to rotate is arranged between the two rear wheels (3).
6. The simulated demonstration model car of claim 5, wherein: the chassis (1) is provided with a triangular rotating plate (7) and a connecting pull rod with two ends respectively connected with the triangular rotating plate (7) and the driving mechanism (6).
7. The simulated demonstration model vehicle of claim 1, wherein: front wheel steering gear (41) in front wheel steering mechanism (4) is a total steering gear of two front wheels of simultaneous control (2) and turns to, front wheel linkage subassembly is including front wheel knuckle (42) of installing respectively on each front wheel (2), two front wheel steering connecting rods (43) of being connected with each front wheel knuckle (42), the actuating lever of being connected with total steering gear and the linkage piece of being connected and realizing the linkage with actuating lever and two front wheel steering connecting rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121188359.8U CN215577320U (en) | 2021-05-31 | 2021-05-31 | Simulation demonstration model car capable of enabling rear wheels to be linked with front wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121188359.8U CN215577320U (en) | 2021-05-31 | 2021-05-31 | Simulation demonstration model car capable of enabling rear wheels to be linked with front wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215577320U true CN215577320U (en) | 2022-01-18 |
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ID=79864958
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121188359.8U Active CN215577320U (en) | 2021-05-31 | 2021-05-31 | Simulation demonstration model car capable of enabling rear wheels to be linked with front wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215577320U (en) |
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2021
- 2021-05-31 CN CN202121188359.8U patent/CN215577320U/en active Active
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Address after: Room 3104, No. 2, Zunshang Street, Huangpu District, Guangzhou City, Guangdong Province 510000 Patentee after: Guangzhou Human and Vehicle Intelligent Technology Co.,Ltd. Address before: 510000 room 402A, No. 196, Longkou West Road, Tianhe District, Guangzhou City, Guangdong Province Patentee before: Guangzhou Renhe car brand marketing planning Co.,Ltd. |