TWM617615U - Two-wheel toy car - Google Patents

Abstract

A two-wheeled toy vehicle has a rear wheel, and a plurality of movable wheels are arranged along the circumferential surface of the rear wheel. Each movable wheel can rotate in a lateral direction perpendicular to the circumferential direction of the circumferential surface relative to the rear wheel, and A rear wheel power output device is connected to the rear wheel, and can drive the rear wheel and each moving wheel to rotate, and a balance module is installed inside the two-wheeled toy car to detect the tilt state of the two-wheeled toy car, and output relative to it A tilt angle signal and an angular velocity signal are sent to a control module, and the control module can adjust and control the torque and transmission direction of the rear wheel power output device according to the tilt angle signal and the angular velocity signal, and then drive the rear wheel and each The moving wheels rotate to maintain the balance of the two-wheeled toy car.

Description

Two-wheeled toy car

This creation is related to the structure of the toy car, especially a two-wheeled toy car that can automatically maintain balance.

According to the conventional two-wheeled toy car, it mainly has a car body, and has front and rear wheels respectively arranged at the front and rear ends of the car body’s longitudinal axis to support the car body. The front wheel is responsible for steering, and the rear wheel can Driven by a power output device to rotate, thereby driving the vehicle body to move. However, the conventional two-wheeled toy car basically can only complete simple forward and backward movements, and often cannot maintain balance when turning and is easy to overturn, so it is difficult to control, especially when encountering special off-road terrain, such as uneven roads. It is even more difficult to maintain the balance of the car body when waiting on various roads, resulting in better playability.

In view of this, how to solve the above-mentioned problems is the primary issue that this creation intends to solve.

The main purpose of this creation is to provide a two-wheeled toy car that has the function of automatically maintaining balance during operation and use.

In order to achieve the aforementioned purpose, this creation provides a two-wheeled toy vehicle, including: a vehicle body with a front wheel and a rear wheel, the rear wheel has a circumferential surface, and a plurality of moving wheels are arranged along the circumferential surface , The moving wheels are arranged on the circumferential surface of the ring at intervals, and the moving wheels can rotate in a lateral direction perpendicular to the circumferential direction of the circumferential surface relative to the rear wheel; A rear-wheel power output device is arranged on the car body and connected to the rear wheel. The rear-wheel power output device is used to drive the rear wheel and the moving wheels to rotate; a balance module is arranged on the car body Inside, the balance module is used to detect the inclination state of the vehicle body, and relatively output an inclination angle signal and an angular velocity signal; and a control module, which is arranged inside the vehicle body, and the control module is electrically connected The balance module and the rear wheel power output device, and the control module is used to receive the tilt angle signal and the angular velocity signal, and adjust and control the torque of the rear wheel power output device according to the tilt angle signal and the angular velocity signal And the transmission direction, and then drive the rear wheel and the moving wheels to rotate to maintain the balance of the vehicle body.

Preferably, the rear wheel is composed of a first shell member and a second shell member butted, and a disc-shaped assembly seat is assembled inside the rear wheel, and the assembly seat is along its circumferential side A plurality of transmission shafts are inserted, and both ends of each transmission shaft respectively have a first cone-shaped tooth inserted inside the assembly base and a second cone-shaped tooth extending toward the outside of the assembly base, and Each of the transmission shafts is meshed and connected with a moving wheel with its second tapered teeth, and when the first housing member and the second housing member are in contact, each of the moving wheels is partially exposed on the circumferential surface of the rear wheel. In addition, between the assembly seat and the first housing member, and between the assembly seat and the second housing member, a transmission gear plate is respectively provided, and each of the transmission gear plates is engaged with the first On two opposite sides of a cone-shaped tooth, the other end is respectively formed with a transmission part on both sides of the rear wheel.

And further, the rear-wheel power output device has a first transmission housing and a second transmission housing, and between the first transmission housing and the second transmission housing is formed a space for accommodating the The rear wheel assembly space, the first transmission housing includes a first drive motor, and a first gear set that can be driven by the first drive motor, the first gear set has a first output shaft, and The first output shaft is connected to the transmission part on one side of the rear wheel; and the second transmission housing includes a second drive motor and a second gear set that can be driven by the second drive motor. The gear set has a second output shaft, and the second output shaft is connected to the transmission part on the other side of the rear wheel, and is actuated by driving the first drive motor or the second drive motor to drive the rear The wheel and the moving wheels rotate.

It is not difficult to gain an in-depth understanding of the above-mentioned purpose and advantages of this creation from the detailed description and drawings of the following selected embodiments.

11: Car body

12: front wheel

13: rear wheel

131: The first shell

132: The second shell

14: Circumferential surface

15: Assemble the seat

16: drive shaft

161: first cone tooth

162: second conical tooth

17: Moving wheel

18: Transmission chainring

181: Transmission Department

21: Rear wheel power output device

22: The first transmission housing

23: Second transmission housing

24: Assembly space

221: first drive motor

222: The first gear set

223: The first output shaft

231: second drive motor

232: second gear set

233: second output shaft

31: Balance module

311: Gyroscope

312: Acceleration sensor

41: Control Module

51: Power Module

61: receiving unit

Figure 1 is a schematic diagram of the appearance of the creation.

Figure 2 is a schematic diagram of the circuit block diagram created.

Figure 3 is a schematic diagram of the assembly of the creative rear-wheel power output device and the rear wheel.

Figure 4 is an exploded schematic diagram of the creative rear wheel.

Figure 5 is a schematic diagram of the usage status of the creation.

First, please refer to Figures 1~4. The two-wheeled toy car provided by this creation is mainly composed of a car body 11, a rear-wheel power output device 21, a balance module 31, and a control module 41. And a power supply module 51, of which:

The vehicle body 11 has a front wheel 12 and a rear wheel 13. The front wheel 12 and the rear wheel 13 are respectively assembled at both ends of the longitudinal axis of the vehicle body 11. The rear wheel 13 consists of a first shell 131 and A second shell 132 is butted to form a circular tire shape, and has a circumferential surface 14 that can be opposed to the ground, and a disc-shaped assembly seat 15 is assembled inside the rear wheel 13 , The assembly base 15 is inserted with a plurality of transmission shafts 16 along its circumferential side, and the two ends of each transmission shaft 16 respectively have a first conical tooth 161 inserted in the assembly base 15 and a There are second conical teeth 162 extending toward the outside of the assembly base 15, and each of the transmission shafts 16 is meshed with a moving wheel 17 with its second conical teeth 162, and preferably, the moving wheels 17 are respectively adopted I-shaped wheel composition. When the first shell 131 and the second shell 132 are connected, the moving wheels 17 are partially exposed outside the circumferential surface 14 of the rear wheel 13, so that the moving wheels 17 can be arranged at intervals. On the circumferential surface 14, each movable wheel 17 is configured to be able to rotate relative to the rear wheel 13 in a lateral direction perpendicular to the circumferential direction of the circumferential surface 14 And between the assembly seat 15 and the first shell 131, and between the assembly seat 15 and the second shell 132 are respectively provided with a transmission gear plate 18, each of the transmission gear plate 18 is One end is engaged with the two opposite sides of the first tapered teeth 161 of each transmission shaft 16, and the other end is respectively formed with a transmission part 181 at the two axial positions of the rear wheel 13.

The rear-wheel power output device 21 is arranged at the rear end of the vehicle body 11 and connected to the rear wheel 13. The rear-wheel power output device 21 has a first transmission housing 22 and a second transmission housing 23, and An assembly space 24 for accommodating the rear wheel 13 is formed between the first transmission housing 22 and the second transmission housing 23. The first transmission housing 22 includes a first drive motor 221, and A first gear set 222 that can be driven by the first drive motor 221, the first gear set 222 has a first output shaft 223, and the first output shaft 223 is connected to the transmission part on the side of the rear wheel 13 181; and the second transmission housing 23 includes a second drive motor 231, and a second gear set 232 that can be driven by the second drive motor 231, the second gear set 232 has a second output shaft 233 , And the second output shaft 233 is connected to the transmission portion 181 on the other side of the rear wheel 13, and by driving the first drive motor 221 or the second drive motor 231, the rear wheel can be driven 13 and the moving wheels 17 rotate relatively.

The balance module 31 is arranged inside the vehicle body 11, and the balance module 31 is composed of at least a gyroscope 311 and an acceleration sensor 312, so that the balance module 31 can be used to detect the vehicle body 11 Tilt state (including its tilt angle and angular velocity), and can output a tilt angle signal and an angular velocity signal relative to each other.

The control module 41 is arranged inside the vehicle body 11, the control module 41 is electrically connected to the balance module 31 and the rear wheel power output device 21, and the control module 41 is used to receive the tilt angle signal and The angular velocity signal, and according to the inclination angle signal and the angular velocity signal, respectively adjust and control the torque and transmission direction of the rear-wheel power output device 21, thereby driving the rear wheel 13 and the moving wheels 17 to rotate correspondingly , In order to maintain the balance of the vehicle body 11.

The power module 51 is used to be installed inside the vehicle body 11 and electrically connected to the control module 41 to supply required power.

When the book composed of the above structure is actually actuated, the first drive motor 221 and the second drive motor 231 control the forward rotation and reverse rotation of the rear wheel 13 respectively, and pass the balance module 31 Real-timely detect the size and speed of the vehicle body 11 relative to the ground, and relatively output its inclination angle signal and angular velocity signal to the control module 41, so that the control module 41 can execute according to the inclination angle signal and the angular velocity signal Calculate appropriate control commands to determine the timing of controlling the first drive motor 221 or the second drive motor 231 and its output torque, so that the first drive motor 221 and the second drive motor 231 can respectively pass through them The first and second gear sets 222 and 232 drive the corresponding transmission gear plate 18 to run, and then can drive each transmission shaft 16 meshing with the transmission gear plate 18 to run, so as to drive the rear wheel 13 and each moving wheel 17 Rotate. That is to say, this creation can continuously receive the tilt angle signal and angular velocity signal transmitted by the balance module 31 through its control module 41, and then control the actuation timing and timing of the first drive motor 221 and the second drive motor 231 The magnitude of the torque enables the vehicle body 11 to form a balance torque due to the difference in speed between the first drive motor 221 and the second drive motor 231, so as to ensure that the vehicle body 11 can be maintained in a balanced state. Dumping, in this way, it can effectively reduce the difficulty of its control, and it is not restricted by the terrain (such as off-road terrain).

And as shown in Figure 5, the two-wheeled toy car composed of the above structure, even if the car body 11 is erected and only the rear wheel 13 is supported on the ground, the control module 41 can instantly follow the The tilt angle signal and the angular velocity signal calculate appropriate control commands to relatively control the actuation timing and torque of the first drive motor 221 and the second drive motor 231, so that the vehicle body 11 is even in a raised state Down can still effectively maintain balance, and can greatly increase its overall interest and playability.

Furthermore, the control module 41 can be electrically connected to a receiving unit 61, and the receiving unit can receive a wireless control signal transmitted by a remote control device (not shown in the figure), and then make the control module 41. According to the received wireless control signal, after combining the tilt angle signal and the angular velocity signal, an appropriate control command can be calculated in real time to the rear wheel power transmission device 21, so that the vehicle body 11 can perform the wireless control While the signal is instructed, it can still maintain its balance automatically.

However, the disclosure of the above embodiments is only used to illustrate the creation, not to limit the creation, so any changes in values or replacement of equivalent components should still belong to the scope of the creation.

To sum up, when people who are familiar with this art know that this creation can indeed achieve the aforementioned purpose, and that it has actually complied with the provisions of the Patent Law, they should file an application in accordance with the law.

11: Car body

12: front wheel

13: rear wheel

14: Circumferential surface

17: Moving wheel

21: Rear wheel power output device

31: Balance module

41: Control Module

51: Power Module

61: receiving unit

Claims (6)

A two-wheeled toy vehicle includes: a vehicle body with a front wheel and a rear wheel, the rear wheel has a circumferential surface, and a plurality of movable wheels are arranged along the circumferential surface, and the movable wheels are arranged at intervals The circumferential surface, and the movable wheels can rotate relative to the rear wheel in a lateral direction perpendicular to the circumferential direction of the circumferential surface; a rear-wheel power output device is arranged on the vehicle body and is opposite to the rear wheel Then, the rear wheel power output device is used to drive the rear wheel and the moving wheels to rotate; a balance module is arranged inside the vehicle body, and the balance module is used to detect the tilt state of the vehicle body, and Relatively output a tilt angle signal and an angular velocity signal; and a control module, which is arranged inside the car body, the control module is electrically connected to the balance module and the rear wheel power output device, and the control module is used for Receive the tilt angle signal and the angular velocity signal, and adjust and control the torque and transmission direction of the rear wheel power output device according to the tilt angle signal and the angular velocity signal, and then drive the rear wheel and the moving wheels to rotate to maintain the The balance of the car body. The two-wheeled toy vehicle according to claim 1, wherein the rear wheel is formed by butting a first shell member and a second shell member, and a disc-shaped assembly seat is assembled inside the rear wheel , The assembly seat is inserted with a plurality of transmission shafts along its circumferential side, and the two ends of each transmission shaft respectively have a first conical tooth inserted in the assembly seat, and a facing toward the assembly seat Externally extending second conical teeth, and each of the transmission shafts respectively engages and connects the moving wheels with their second conical teeth, and when the first housing member and the second housing member are connected, the moving wheels Respectively partially exposed outside the circumferential surface of the rear wheel, and in Between the assembly seat and the first housing member, and between the assembly seat and the second housing member, a transmission gear plate is respectively provided, and each of the transmission gear plates is engaged with the first conical tooth at one end of each of the transmission gear plates. On the two opposite sides of the rear wheel, the other end is respectively formed with a transmission part on both sides of the rear wheel. The two-wheeled toy vehicle according to claim 2, wherein each of the movable wheels is composed of an I-shaped wheel. The two-wheeled toy vehicle according to claim 2, wherein the rear-wheel power output device has a first transmission housing and a second transmission housing, and is connected to the first transmission housing and the second transmission housing There is an assembly space for accommodating the rear wheel. The first transmission housing includes a first drive motor and a first gear set that can be driven by the first drive motor. The first gear set It has a first output shaft and is connected to the transmission part on the side of the rear wheel by the first output shaft; and the second transmission housing includes a second drive motor and a drive that can be driven by the second drive motor The second gear set, the second gear set has a second output shaft, and the second output shaft is connected to the transmission part on the other side of the rear wheel, and is driven by the first drive motor or the The two driving motors act to drive the rear wheel and the moving wheels to rotate. The two-wheeled toy vehicle according to claim 1, wherein the balance module is at least composed of a gyroscope and an acceleration sensor. The two-wheeled toy vehicle according to claim 1, wherein the control module is further electrically connected to a receiving unit, and the receiving unit is used to receive a wireless control signal transmitted by a remote control device, so that the control module can follow After the received wireless control signal is combined with the inclination angle signal and the angular velocity signal, an appropriate control command is calculated in real time to the rear wheel power transmission device.

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