A single-wheel balance car

Abstract

The application relates to the technical field of balance cars, and discloses a single-leg balance car which comprises a frame, a vacuum tire, a battery and a pedal, the inside of the frame is provided with a gyroscope and a circuit board for intelligent control, a connecting shaft is rotationally connected to the middle line position of the frame, the two ends of the connecting shaft are respectively fixed with wheel hubs, the vacuum tire is installed outside the wheel hubs, one motor structure and one power generation structure are respectively arranged on the inner sides of the two wheel hubs, and the motor structure and the power generation structure synchronously rotate; the frame is a single-leg stepping structure, a lock catch structure is arranged on the frame, and the lock catch structure locks the instep and the heel position; the two single-leg balance cars are used in cooperation, and the single-leg balance cars can independently, alternately and alternately contact the ground to travel, in the scheme, the two wheel hubs of the balance car are arranged to synchronously rotate, the motor coil and the generator coil are respectively arranged on the inner sides of the wheel hubs and are fixed in the radial direction, the interaction between the coil and the permanent magnet is utilized, power generation is realized in the traveling process, and the endurance of the device is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of balancing car processing, in particular to a single-foot balancing car. BACKGROUND

[0002] The electric balancing car is also called as the somatosensory car, the thinking car, the camera position car and the like. There are mainly two types of single-wheel and double-wheel on the market. The operation principle thereof is mainly based on a basic principle called "dynamic stability", utilizes a gyroscope and an acceleration sensor inside the car body to detect the change of the car body posture, and utilizes a servo control system to accurately drive the motor to make corresponding adjustment, so as to maintain the balance of the system.

[0003] Most of the existing single-wheel and double-wheel balancing cars are controlled by two feet synchronously, and the controllability thereof in dealing with the emergency situation is poor, and the safety thereof is poor. Therefore, the balancing car is generally prohibited from driving on the motor vehicle and non-motor vehicle lane, and can only be ridden in the park and the like. In addition, the cruising range of the balancing car is only about 20km, and the cruising range is short. When there is no power, the balancing car needs to be carried by hand due to the inability to obtain power in time, which will cause trouble to the travel. Therefore, the present application provides a single-foot balancing car to solve the above problems. SUMMARY

[0004] In order to solve the problems of poor controllability and poor cruising of the existing balancing car, the present application provides a single-foot balancing car.

[0005] The single-foot balancing car provided by the present application adopts the following technical scheme:

[0006] A single-foot balancing car, comprising a frame, a vacuum tire is rotatably connected to each side of the frame, a battery is installed below the frame, a pedal is fixedly connected above the frame, a gyroscope and a circuit board for intelligent control are arranged in the frame, a connecting shaft is rotatably connected to the center line of the frame, a hub is fixedly connected to each end of the connecting shaft, a vacuum tire is installed outside the hub, a motor structure and a power generation structure are arranged inside each hub, and the motor structure and the power generation structure rotate synchronously.

[0007] The frame is a single-foot stepping structure, and a lock catch structure is arranged on the frame, the lock catch structure locks the instep and the heel position.

[0008] The single-foot balancing car is used in pairs, and the single-foot balancing car can independently, alternately and contact the ground.

[0009] Preferably, the two inner walls of the wheel hub are respectively annularly arranged with motor permanent magnets and generator permanent magnets, and the inner side of the motor permanent magnets is rotationally connected with a motor coil, and the motor coil is externally connected with a power supply to cooperate with the motor permanent magnets on the wheel hub as a brushless motor, and the inner side of the generator permanent magnets is rotationally connected with a generator coil, and the generator coil cooperates with the generator permanent magnets on the wheel hub as a power generation structure.

[0010] Preferably, the two outer walls of the frame are bolted and connected with fenders, and the side of the fender away from the frame is bolted and connected with a mounting plate, and the motor coil and the generator coil on the inner side of the two wheel hubs are fixedly installed on the mounting plate.

[0011] Preferably, the two wheel hub openings are bolted and connected with end covers, and the end covers are rotationally connected with the motor coil and the generator coil, the connecting shaft is rotationally connected to the inner side of the frame, and the inner side of the frame is bolted and connected with two limiting pieces to limit the axial direction of the connecting shaft.

[0012] Preferably, the lock structure comprises two sleeves, a slide rod embedded in the sleeve, one end of the two slide rods is fixedly connected with a threaded rod, and the front end of the two threaded rods is elastically connected between the sleeve and the stretching spring, a pressing piece is threadedly connected on the two threaded rods, when the threaded rod is displaced to one side of the stretching spring, the pressing pieces on the two threaded rods are pressed to the middle position, and the two slide rods are fixedly connected with a connecting piece.

[0013] Preferably, grooves are formed in the two sleeves, and limiting rings cooperating with the threaded rods are fixedly connected at the positions of the grooves, the two ends of the threaded rods are fixedly connected with limiting plates, the end of the pressing piece is threadedly connected between the threaded sleeve and the threaded rod, and the threaded rod is radially limited.

[0014] Preferably, at least two knobs are rotationally connected to the two sleeves, and adjusting grooves cooperating with the knobs are formed in the vertical end walls of the fenders to adjust the vertical height of the sleeves.

[0015] In summary, the present application has at least one of the following beneficial technical effects:

[0016] By splitting the balance car into two independent parts, and at the same time, the two balance cars are locked with the feet through the lock mechanism, so that the feet can carry the balance car away from the ground, thereby improving the controllability of the balance car, compared with the existing balance car, the turning radius can be effectively reduced, the sharp turning can be effectively coped with, and the brake distance can be effectively reduced, thereby improving the safety;

[0017] By setting the two wheel hubs of the balance car to rotate synchronously, setting the radial fixed motor coil and generator coil inside the wheel hub respectively, using the interaction between the coil and the permanent magnet, power generation during driving is realized, thereby improving the endurance of the device, and the device can be driven by one foot, and power generation by the generator set of the other foot on a downhill section is used, thereby further improving the endurance. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is an isometric structural schematic diagram of the embodiment of the application.

[0019] Figure 2 is a battery removal structural schematic diagram of the embodiment of the application.

[0020] Figure 3 is a brushless motor structural schematic diagram of the embodiment of the application.

[0021] Figure 4 is a control circuit structural schematic diagram of the embodiment of the application.

[0022] Figure 5 is a right view of the embodiment of the application.

[0023] Figure 6 is a left view of the embodiment of the application.

[0024] Figure 7 is a lock catch mechanism structural schematic diagram of the embodiment of the application.

[0025] Figure 8 is a lock catch mechanism explosion structural schematic diagram of the embodiment of the application.

[0026] Figure 9 is a slide rod structural schematic diagram of the embodiment of the application.

[0027] Reference signs: 1, frame; 2, battery; 3, pedal; 4, mudguard; 401, adjusting groove; 5, mounting plate; 6, vacuum tire; 7, end cover; 8, motor coil; 9, wheel hub; 10, motor permanent magnet; 11, generator coil; 12, generator permanent magnet; 13, fixed shaft; 14, connecting shaft; 15, gyroscope; 16, circuit board; 17, limiting sheet; 18, sleeve; 1801, limiting ring; 19, slide rod; 20, connecting sheet; 21, pressing sheet; 22, knob; 23, threaded rod; 24, tension spring; 25, threaded sleeve; 26, limiting plate. DETAILED DESCRIPTION

[0028] The following will be described in detail in combination with the accompanying drawings. Figures 1-9 The application will be further described in detail.

[0029] Embodiment one:

[0030] Refer to Figures 1-9 A single foot balance car, including the frame 1, both sides of the frame 1 are rotatably connected with the vacuum tire 6, and the lower part of the frame 1 is provided with the battery 2, and the upper part is fixedly connected with the pedal 3, the inside of the frame 1 is provided with the gyroscope 15 and the circuit board 16 for intelligent control, the circuit board 16 is provided with a processor for analyzing the data of the gyroscope 15 and the acceleration, so as to control the motor to ensure the balance of the device, the connecting shaft 14 is rotatably connected in the middle line position of the frame 1, the both ends of the connecting shaft 14 are fixedly connected with the hub 9, the vacuum tire 6 is installed outside the hub 9, the inside of the two hubs 9 is respectively provided with a motor structure and a power generation structure, the motor structure and the power generation structure rotate synchronously, the motor permanent magnet 10 and the generator permanent magnet 12 are respectively arranged in the form of annular array on the inner wall of the two hubs 9, and the inside of the motor permanent magnet 10 is rotatably connected with the motor coil 8, the motor coil 8 is connected with the power supply outside the motor coil 8, and the motor permanent magnet 10 on the hub 9 is used as a brushless motor, the inside of the generator permanent magnet 12 is rotatably connected with the generator coil 11, the generator coil 11 cooperates with the generator permanent magnet 12 on the hub 9 as a power generation structure, the fender 4 is bolted and connected on the outer wall of both sides of the frame 1, and the mounting plate 5 is bolted and connected on the side away from the frame 1 of the fender 4, the motor coil 8 and the generator coil 11 on the inside of the two hubs 9 are fixedly installed on the mounting plate 5, the motor coil 8 and the generator coil 11 are fixedly connected with the fixed shaft 13 at the axial position, one end of the fixed shaft 13 is in the form of cylindrical structure, which is slidably embedded in the inside of the connecting shaft 14, the other end is in the form of prism structure, which is inserted into the mounting plate 5, the mounting plate 5 is provided with a nut sleeve for locking the connecting shaft 14, and the radial and axial positions of the motor coil 8 and the generator coil 11 are limited, so that the motor coil 8 drives the hub 9 to rotate, thereby driving on the road, and the other rotating hub 9 cuts the magnetic induction line of the generator permanent magnet 12 inside it constantly, thereby generating electricity, thereby effectively improving the endurance of the device, the end cover 7 is bolted and connected on the opening side of the two hubs 9, and the end cover 7 is rotatably connected between the motor coil 8 and the generator coil 11, the connecting shaft 14 is rotatably connected to the inside of the frame 1, and the inside of the frame 1 is bolted and connected with two limiting pieces 17 for limiting the axial direction of the connecting shaft 14, the two hubs 9 are fixedly connected with the connecting shaft 14, and the two hubs 9 are rotatably connected with the connecting shaft 14, so that the motor drives the generator to generate electricity during the driving process, thereby improving the endurance;

[0031] The frame 1 is a single foot stepping structure, and the frame 1 is provided with a lock catch structure, the lock catch structure locks the instep and heel position, the lock catch structure comprises two sleeve pipes 18, a sliding rod 19 embedded in the sleeve pipe 18, one end of the two sliding rods 19 is fixedly connected with a threaded rod 23 respectively, and the front ends of the two threaded rods 23 are elastically connected between the stretching spring 24 and the sleeve pipe 18, the threaded rods 23 are threadedly connected with a pressing piece 21, when the threaded rod 23 is displaced to one side of the stretching spring 24, the pressing pieces 21 on the two threaded rods 23 are pressed to the middle position, the two sliding rods 19 are fixedly connected with a connecting piece 20, a threaded groove is formed in the threaded rod 23, and the pitch of the threaded groove 23 is 1 times the displacement distance < the pitch < 2 times the displacement distance, so that the rotation angle of the pressing piece 21 is between 0-90°, the pressing effect on the instep is ensured, and the stretching spring 24 carries the connecting piece 20 to the heel position during the resetting process, so that the heel position of the shoe is pressed, and the lock catch of the shoe is realized in cooperation with the pressing piece, so that when the foot is lifted, the balance car can be lifted together, recesses are formed in the two sleeve pipes 18, and the positions of the recesses are fixedly connected with limiting rings 1801 matched with the threaded rods 23, the two ends of the threaded rods 23 are fixedly connected with limiting plates 26, the limiting plates 26 and the limiting rings 1801 are different in shape, the movement distance is ensured to be within the length of the threaded rod 23 by the limiting plate 26, the end of the pressing piece 21 is threadedly connected between the threaded sleeve 25 and the threaded rod 23, and the threaded rod 23 is radially limited;

[0032] At least two knobs 22 are rotatably connected to the two sleeve pipes 18, and adjusting grooves 401 matched with the knobs 22 are formed in the vertical end walls of the mudguards 4, so as to adjust the vertical height of the sleeve pipe 18 and adapt to different foot sizes;

[0033] The single foot balance car is used in pairs, and the single foot balance car can independently, alternately and contact the ground to travel, the single foot balance car is fixedly connected between the balance car and the two feet, so that the feet can carry the balance car to separate from the ground, and the two feet are independently controlled, so as to improve the controllability of the device, and the safety is better than that of the existing balance car, the inside of the balance car is provided with a speed reduction assembly, the original wheels are braked when the single foot is lifted and the wheels do not contact the ground, so that the braking distance can be greatly reduced, and the safety is further improved.

[0034] It should be noted that in this text, terms such as "including", "containing" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.

[0035] While embodiments of the application have been shown and described, it is to be understood that the embodiments described are merely exemplary of the principles and application of the present application. Numerous modifications and adaptions can be effected without departing from the spirit and scope of the present application, which is not limited to the exact construction and arrangement described. It is intended, therefore, to cover all modifications and adaptions that fall within the scope of the claims and their equivalents.

Claims

1. A one-legged self-balancing scooter, comprising a frame (1), wherein vacuum tires (6) are rotatably connected to both sides of the frame (1), and a battery (2) is installed at the bottom of the frame (1), and a footboard (3) is fixedly connected to the top; the frame (1) is internally provided with a gyroscope (15) and a circuit board (16) for intelligent control, characterized in that: The connecting shaft (14) is rotatably connected to the center line of the frame (1), and the two ends of the connecting shaft (14) are respectively fixed with the wheel hub (9), and the vacuum tire (6) is installed outside the wheel hub (9); the inner sides of the two wheel hubs (9) are respectively provided with a motor structure and a power generation structure, and the motor structure and the power generation structure rotate synchronously. The frame (1) is a single foot stepping structure, and a lock buckle structure is arranged on the frame (1), which locks the instep and heel positions. The single foot balance car is used in pairs, and can independently, alternately and contact the ground. The lock buckle structure comprises two sleeve pipes (18), a sliding rod (19) slidingly embedded in the sleeve pipe (18), one end of each of the two sliding rods (19) is fixedly connected with a threaded rod (23), the front ends of the two threaded rods (23) are elastically connected between the stretching springs (24) and the sleeve pipes (18), the lower pressing pieces (21) are threadedly connected on the threaded rods (23), when the threaded rods (23) are displaced to one side of the stretching springs (24), the lower pressing pieces (21) on the two threaded rods (23) are pressed downward to the middle position, and the connecting piece (20) is fixedly connected between the two sliding rods (19). Grooves are formed in the two sleeve pipes (18), and limiting rings (1801) matched with the threaded rods (23) are fixedly connected at the positions of the grooves, the two ends of the threaded rods (23) are fixedly connected with limiting plates (26), the ends of the lower pressing pieces (21) are threadedly connected between the threaded sleeves (25) and the threaded rods (23), and the threaded rods (23) are radially limited. The rotation angle of the lower pressing piece (21) is between 0-90°. At least two knobs (22) are rotatably connected to the two sleeve pipes (18), and adjusting grooves (401) matched with the knobs (22) are formed in the vertical end walls of the fenders (4), so as to adjust the vertical height of the sleeve pipes (18).

2. The one-wheeled balance vehicle of claim 1, wherein: The inner sides of the motor permanent magnets (10) are rotatably connected with motor coils (8), and the motor coils (8) are connected with power sources to cooperate with the motor permanent magnets (10) on the wheel hubs (9) as brushless motors.

3. The one-wheeled balance vehicle of claim 2, wherein: The fenders (4) are bolted to the outer walls of the frame (1), and the mounting plates (5) are bolted to the sides of the fenders (4) away from the frame (1), and the motor coils (8) and the generator coils (11) on the inner sides of the two wheel hubs (9) are fixedly installed on the mounting plates (5).

4. The one-wheeled balance vehicle of claim 2, wherein: Both of the wheel hubs (9) have end caps (7) bolted to one side of their openings, and the end caps (7) are rotatably connected to the motor coil (8) and the generator coil (11). The connecting shaft (14) is rotatably connected to the inside of the frame (1), and two limiting plates (17) are bolted to the inside of the frame (1) to limit the axial movement of the connecting shaft (14).

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