CN215553829U - Balance vehicle - Google Patents

Abstract

The utility model discloses a balance car which comprises a first hub motor, a second hub motor and a frame, wherein the first hub motor and the second hub motor are respectively fixed on two ends of the frame along the length direction; wherein, wheel hub motor includes wheel hub and connects the axletree on wheel hub, axletree movably install on the frame, wheel hub include the wheel hub main part and with the wheel cap of the coaxial setting of wheel hub main part, the wheel hub main part with the wheel cap can be dismantled to be connected and be formed with the holding chamber between the two for install the wheel lamp plate.

Description

Balance vehicle

Technical Field

The utility model relates to the technical field of traffic, in particular to a balance car.

Background

The operation principle of the man-machine interaction motion sensing vehicle, namely an electric balance vehicle and a thinking vehicle, is mainly based on the basic principle called dynamic stability, the gyroscope and the acceleration sensor in the vehicle body are utilized to detect the change of the vehicle body posture, and a servo control system is utilized to accurately drive a motor to carry out corresponding adjustment so as to keep the balance of the system.

The structure of the existing balance car is relatively complex, the number of parts is large, the assembly is complex, the manufacturing cost is high, the whole weight is large, and the burden of a user is easily increased.

SUMMERY OF THE UTILITY MODEL

The utility model provides a balance car, which can achieve the overall effect of supporting the whole balance car through a simple structure through reasonable structure arrangement, and can reduce the overall weight of a vehicle.

The utility model provides a balance car which comprises a first hub motor, a second hub motor and a frame, wherein the first hub motor and the second hub motor are respectively fixed on two ends of the frame along the length direction;

wherein, in-wheel motor includes wheel hub and connects the axletree on wheel hub, axletree mobile installation is in on the frame, the frame embeds there is the control panel, wheel hub include the wheel hub main part and with the wheel cap of the coaxial setting of wheel hub main part, the wheel hub main part with the wheel cap can be dismantled to be connected and be formed with the holding chamber between the two for install the wheel lamp plate.

In the balance car according to an embodiment of the present invention, a control circuit is disposed in the accommodating cavity, and the wheel lamp panel is in communication connection with the control panel through the control circuit.

In the balance car according to an embodiment of the present invention, the axle is provided with a rotating shaft hole, and the control circuit is electrically connected to the control board through a cable inserted into the rotating shaft hole.

In the balance car according to an embodiment of the present invention, the wheel lamp panel is an EL cold light lamp.

In the balance car according to the embodiment of the present invention, the hub main body and the wheel cover are connected by bolts.

In the balance car according to the embodiment of the present invention, the hub main body is provided with a first locking hole, the wheel cover is provided with a second locking hole corresponding to the first locking hole, and the hub main body is detachably connected to the second locking hole by passing a fastening member through the first locking hole.

In the balance car according to the first aspect of the present invention, the axle includes a first axle and a second axle, the first in-wheel motor is provided with the first axle, the second in-wheel motor is provided with the second axle, the first axle is fixedly connected to the first control box, and the second axle is fixedly connected to the second control box.

In the balance car according to the embodiment of the present invention, the first control box and the second control box are each provided with an inductive switch for sensing a stepping state of a pedal of the first control box or the second control box.

In the balance car according to an embodiment of the present invention, the first control box includes a first seat and a first cover, the inductive switch is disposed in the first seat, the first seat is fixed to the first in-wheel motor, and the first cover is provided with a trigger for triggering the inductive switch.

In the balance car according to the embodiment of the present invention, the frame includes a second frame and a first frame, the second frame and the first frame are engaged with each other and form an accommodation cavity, and the gyroscope is disposed in the accommodation cavity.

The technical scheme provided by the embodiment of the application can have the following beneficial effects: this application has designed a balance car, and first in-wheel motor and second in-wheel motor are fixed respectively and are only equipped with a gyroscope on the frame on the both ends along length direction, through reasonable structure setting for simple structure can reach the whole effect of supporting whole balance car, and can alleviate the whole weight of vehicle.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a balance car according to an embodiment of the present disclosure;

FIG. 2 is a schematic view of the balance vehicle of FIG. 1 at another angle;

FIG. 3 is an exploded schematic view of the balance vehicle of FIG. 1;

FIG. 4 is a cross-sectional view of the in-wheel motor and control box of FIG. 1 assembled;

FIG. 5 is an exploded schematic view of the in-wheel motor and control box of FIG. 1;

FIG. 6 is a schematic cross-sectional view of the control box of FIG. 1;

FIG. 7 is an exploded schematic view of the control box of FIG. 1;

fig. 8 is a schematic structural view of the seat body in fig. 1;

FIG. 9 is a schematic view of the seat body in FIG. 1 at another angle;

FIG. 10 is a schematic view of the structure of the cover of FIG. 1;

FIG. 11 is a schematic view of the construction of the connector of FIG. 1;

FIG. 12 is a schematic view of the connector of FIG. 1 at another angle;

FIG. 13 is an exploded schematic view of the in-wheel motor of FIG. 1;

FIG. 14 is a schematic view of the structure of the tread skin of FIG. 1;

fig. 15 is an exploded view of the reset member of fig. 1;

FIG. 16 is an exploded schematic view of the upper portion of the frame of FIG. 1;

FIG. 17 is a schematic structural view of the second frame of FIG. 1;

figure 18 is an exploded schematic view of the lower portion of the frame of figure 1.

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 some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and are not to be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

As shown in fig. 1 to 18, the present application provides a balance car, which includes an in-wheel motor 200 and a car frame 100, the in-wheel motor includes a first in-wheel motor and a second in-wheel motor, and the first in-wheel motor and the second in-wheel motor have the same structure and are respectively fixed on two ends of the car frame 100 in the length direction. Wherein, only be equipped with a gyroscope on frame 100 for the balance of control frame 100, only adopt a gyroscope quantity that can save the gyroscope, and then practice thrift the cost of balance car, can realize the equilibrium purpose of balance car through the gyroscope again simultaneously.

Wherein, frame 100 embeds has control panel and heating panel, and the control panel is including the first face and the second face that carry on the back mutually, the gyroscope establish first face with the at least one side of second face, the heating panel passes through the heat-conducting layer and connects on the second face for give off control panel and electron device heat that produces at the during operation, the heat of electron device can transmit the heating panel through the heat-conducting layer on gyroscope or the control panel promptly, the heating panel is again with heat dissipation to frame 100 outsidely, gyroscope and electron device's heat can be effectively given off like this, gyroscope and electron device's normal use has been guaranteed.

It should be noted that there are three main ways of transferring heat, namely heat conduction, heat radiation and convection. Thermal conduction is the means of heat transfer between objects in contact with each other, such as intermetallic heat conduction. Thermal radiation is the effect of heat transfer between objects by emitting and absorbing infrared rays from each other, e.g. the temperature of the objects rises after receiving solar radiation. Convection is the means of conducting heat through the circulation of a fluid, such as a radiator, to heat the air in a room.

The utility model mainly utilizes heat conduction and heat radiation for heat dissipation, namely after the gyroscope and the electronic device generate heat in work, the heat is transferred to the control panel through the heat conduction and the heat radiation, the control panel transfers the heat to the heat conduction layer through the heat conduction and the heat radiation, meanwhile, the control panel also transfers part of the heat to the heat dissipation panel through the heat radiation, the heat conduction layer transfers the heat to the heat dissipation panel through the heat conduction and the heat radiation, and finally, the heat dissipation panel transfers the heat of the heat dissipation panel to an external space or an external object through the heat conduction and the heat radiation, thereby playing a role of cooling the gyroscope and the electronic device.

In an alternative embodiment, the heat conductive layer may include at least one of a heat conductive silicone grease, a heat conductive gel, and a heat conductive pad, and the heat dissipation plate includes a metal heat dissipation plate. Thus, the metal heat dissipation plate has good heat conductivity, and heat on the gyroscope and the electronic device can be quickly led out to the heat dissipation plate through the heat conduction layer.

In an alternative embodiment, the surface of the heat sink is black, and the heat sink with a black surface can absorb heat faster. Wherein, the heating panel surface still is equipped with the heat radiation layer, and the heat radiation layer can promote the heating panel and send the ability of heat radiation to promote the heating panel and disperse the outside ability of frame 100 with the heat that absorbs, thereby promote the heat-sinking capability of balance car.

In an optional implementation mode, a surface of the heat dissipation plate opposite to the heat conduction layer is convex-concave, the surface area of a surface of the heat dissipation plate opposite to the heat conduction layer can be increased, the total amount of heat radiation emitted by the heat dissipation plate is increased, the area of contact between the heat dissipation plate and air can also be increased, the heat transmitted to the air by the heat dissipation plate through heat conduction can be increased, and the effect of heat dissipation of the heat dissipation plate is improved on the whole.

In an alternative embodiment, the electronic device includes at least one of a capacitor, a resistor, and an inductor.

In an optional embodiment, an alarm and a speed sensor for detecting the first in-wheel motor and the second in-wheel motor are further arranged in the frame 100, the alarm and the speed sensor are both connected with the main control board, and when the speed sensor detects that the speeds of the first in-wheel motor and the second in-wheel motor are greater than a preset speed, the main control board controls the alarm to send out an alarm signal to prompt a user to reduce the driving speed.

In an alternative embodiment, a warning light electrically connected to the alarm is provided on the surface of the vehicle frame 100, and the warning light is used for reminding a user of reducing the driving speed.

In an alternative embodiment, the speed sensor is a linear speed sensor or an angular speed sensor. In an alternative embodiment, the vehicle frame 100 incorporates a GPS signal receiving module and a navigation module,

the GPS signal receiving module is used for receiving GPS signals and generating positioning information according to the GPS signals, and the navigation module can determine a navigation route according to a user operation instruction and is used for navigating by using the navigation route.

In an optional embodiment, a bluetooth module is further disposed in the frame 100, and the bluetooth module is connected to the control board, so that the balance car can be bluetooth-connected to an external bluetooth communication device through the bluetooth module.

As shown in fig. 3 to 5, the in-wheel motor 200 includes an axle 201 and a motor body 202 rotatably connected to the axle 201, and a pedal is fixedly connected to the axle 201. The axle 201 includes a first axle and a second axle, the first axle is disposed on the first in-wheel motor, and the second axle is disposed on the second in-wheel motor.

In this embodiment, the pedals include a first pedal provided on the first axle and a second pedal provided on the second axle. Wherein, all install some sensor assembly on first footboard and the second footboard, be used for detecting the gradient of first footboard and second footboard respectively for the balance car can be according to the functions such as the acceleration, slow down, turn round and the back of the gradient control balance car of first footboard and second footboard.

In an alternative embodiment, the in-wheel motor 200 includes a wheel hub, one end of the axle 201 is connected to the wheel hub, and the other end of the axle 201 is movably mounted on the frame. In this embodiment, wheel hub includes wheel hub main part and the wheel casing with the coaxial setting of wheel hub main part, and wheel hub main part can be dismantled with the wheel casing and be connected and be formed with the holding chamber between the two for install the wheel lamp plate.

Wherein, the holding intracavity is provided with control circuit, and the wheel lamp plate passes through control circuit and control panel communication connection for the control panel can be with signal transmission to control circuit, then through the luminous of control circuit control wheel lamp plate.

In an alternative embodiment, the axle 201 is provided with a rotating shaft hole, and the control circuit is electrically connected to the control board through a cable penetrating through the rotating shaft hole.

In an alternative embodiment, the wheel lamp panel is an EL cold light lamp.

In an alternative embodiment, the hub body is bolted to the wheel cover.

Exemplarily, the wheel hub main part is provided with a first locking hole, the wheel cover is provided with a second locking hole corresponding to the first locking hole, and the wheel hub main part passes through the first locking hole through a fastener to be detachably connected with the second locking hole.

In an alternative embodiment, as shown in fig. 2 to 18, the sensor assembly is a hall sensor, the hall sensor includes a hall element and a magnetic member 800, the hall element is disposed on the vehicle frame 100, and the magnetic member 800 is disposed on the first and second axles.

Illustratively, the frame 100 includes a first frame 102 and a second frame 101, the first axle is rotatably mounted on one side of the first frame 102, the second axle is rotatably mounted on the other side of the first frame 102, the second frame 101 is snap-fit connected with the first frame 102 and forms a receiving cavity, and the gyroscope, the first pedal and the second pedal are mounted in the receiving cavity. Wherein, be equipped with footboard mounting groove 1011 on the second frame 101, the quantity of footboard mounting groove is two, is first footboard mounting groove and second footboard mounting groove respectively for first footboard and second footboard can correspond and pass first footboard mounting groove and second footboard mounting groove, and the activity is in the top of second frame 101.

In an optional embodiment, the first frame 102 and the second frame 101 are both of an integrally formed structure, wherein a frame stiffener assembly is arranged on the first frame 102, the frame stiffener assembly separates the first frame 102 into a plurality of first chambers, so that the first frame 102 can be prevented from bending and deforming, a force transmission path is optimized, and meanwhile, the light weight of an automobile can be realized while the strength is ensured by separating the chambers, and the total weight is reduced, so that the cruising ability of the balance car is improved.

In an alternative embodiment, the frame stiffener assembly has a cross-section in the form of a mesh structure formed by a plurality of triangles to increase the strength of the first frame 102 and prevent deformation of the first frame 102.

In an alternative embodiment, the hall sensor further includes a bracket body, wherein the magnetic member 800 is mounted on the free ends of the first and second axles through the bracket body to ensure the stability of the connection of the magnetic member 800.

In an optional implementation mode, the balance car further includes a support body provided with the magnetic part 800, the free end of the axle 201 is provided with a support mounting portion, the support mounting portion is provided with an inwards concave strip-shaped groove, a support mounting groove is formed in the support body, a limiting table is arranged in the support mounting groove, and the limiting table is matched with the strip-shaped groove and used for limiting the position of the magnetic part relative to the axle 201.

Specifically, the bracket mounting parts are arranged at the free ends of the first axle and the second axle, and after the bracket body is sleeved on the bracket mounting parts, the screws penetrate through the bracket body and then are in threaded connection with the bracket mounting parts, so that the bracket body is prevented from being separated from the bracket mounting parts when the first axle or the second axle rotates; meanwhile, the relative positions of the magnetic part 800 and the Hall element in the bracket body can be ensured, so that the Hall element can judge the inclination of the first pedal and the second pedal according to the change of the magnetic field of the magnetic part 800.

In an optional embodiment, the frame 100 includes a lamp housing body 104 and a light guide plate 107, wherein the lamp housing body 104 is in an inverted V shape, and two sides of the lamp housing body 104 are respectively folded outwards, a lamp housing mounting groove is formed in the second frame 101, a lamp hole is formed in the lamp housing mounting groove, when the light guide plate 107 is fixed on the inner side of the second frame 101, the light guide pillar of the light guide plate 107 passes through the lamp hole, the lamp housing body 104 is mounted on the lamp housing mounting groove and covers the outer side of the light guide pillar, so that the light emitted by the light pillar on the balance car can penetrate through the lamp housing body 104 from the light guide pillar, thereby playing a role in decoration or illumination.

In the present embodiment, two sides of the lamp housing body 104 are respectively folded outwards by 100 ° to 120 ° and extended, wherein the length of the lamp housing body 104 extending towards the two sides corresponds to the width of the lamp housing body 104.

In an alternative embodiment, the number of the light guide plates 107 is two, and each light guide plate 107 has a shape corresponding to a symmetrical half of the lamp housing body 104.

In an alternative embodiment, the shape of the lamp housing installation groove is matched with the shape of the lamp housing body 104.

In an alternative embodiment, the frame 100 further includes a handle 106, the middle portion of the first frame 102 is a concave structure, a threaded rod is disposed on two sides of the concave structure, and two ends of the handle 106 are respectively provided with a handle fixing hole, so that a screw can pass through the handle fixing hole and then be fixedly connected with the threaded rod to fix the handle on the middle portion of the first frame.

Wherein, be equipped with the handle holding tank on first frame 102, the both ends of handle are equipped with the handle stiff end respectively, the shape and the size of handle holding tank and the shape and the size looks adaptation of handle stiff end, the threaded rod upwards extends from the bottom of handle holding tank, and the handle fixed orifices is seted up on the handle stiff end.

In an optional embodiment, a silicone strip is fixedly connected to the upper surface of the handle, and a finger groove is formed in the lower surface of the handle.

Wherein, the finger grooves are arc-shaped and are evenly distributed in a wave shape.

In an optional embodiment, the frame further comprises a key part 103, and the key part 103 is convexly arranged on the outer side of the frame 100 and used for controlling the balance car to be opened or closed; a first waterproof member is disposed between the key portion 103 and the frame 100 to isolate external liquid from entering the frame 100.

Wherein, first waterproof piece includes the flexible glue structure, and the flexible glue structure produces deformation under the extrusion of button portion 103 for button portion 103 can serve under the elastic action of flexible glue structure, also ensures components and parts such as gyroscope simultaneously and can seal in frame 100.

Exemplarily, the flexible glue structure is including pressing splenium, extrusion portion and capillary groove, and the capillary groove is connected between pressing splenium and extrusion portion, presses splenium and key portion to be connected, and the extrusion portion is connected on the frame to can ensure the leakproofness that key portion 103 is connected with frame 100, also ensure to press the elasticity performance between splenium and the extrusion portion moreover, simple structure is but practical.

In an optional embodiment, the pressing portion is of a concave structure, the key portion is embedded in the concave structure, the pressing portion is fixed on a circuit board of the balance car through a fixing screw, and the circuit board is fixed on the frame.

In an optional embodiment, the frame 100 has a socket for mating with a corresponding plug, the socket communicates with the mounting cavity, a heat dissipation substrate is mounted on a side wall of the mounting cavity, the heat dissipation substrate is connected to a signal connector of the socket, so that heat generated by the signal connector can be transferred to the frame through the heat dissipation substrate for heat dissipation, in the working process, the heat generated by the signal connector can be transferred to the frame 100 through the heat dissipation substrate for heat dissipation, thereby greatly improving the cooling effect of the socket, avoiding the socket from burning out contacts due to heating after long-time use, and causing charging faults, wherein the plug charges a battery in the balance car through the signal connector on the socket.

Illustratively, the socket has a signal connector and a mating surface for mating with a corresponding plug, one end of the signal connector is exposed from the mating surface for establishing electrical connection or communication connection with the plug, and the other end of the signal connector is connected with the heat dissipation substrate, so that heat generated by the signal connector can be transferred to the frame 100 through the heat dissipation substrate for heat dissipation.

The heat dissipation substrate is connected with a heat conduction member, and the heat dissipation substrate is fixed on the frame through the heat conduction member, so that heat transfer between the heat dissipation substrate and the frame 100 is ensured.

In an alternative embodiment, the frame 100 is provided with a mounting portion, and the socket and the heat dissipation substrate are embedded on the mounting portion.

In an optional implementation manner, a metal layer is arranged on the outer surface of the heat dissipation substrate, at least part of the metal layer is formed with a conductive layer of a conductive circuit, and the conductive layer is connected with the signal connecting piece, so that the heat dissipation substrate not only can realize a heat dissipation function, but also can realize the electrical connection between the signal connecting piece and other components in the balance car, and the volume of the balance car is effectively reduced.

In an alternative embodiment, the balance car further comprises a battery and a battery package case arranged in the car frame 100, wherein the battery package case comprises a battery cavity and an opening part arranged on the battery cabin cavity. In this embodiment, the battery compartment cavity has a preset shape, and the preset shape is used for matching with at least one battery with different shape, so that the at least one battery with different shape can be respectively inserted into the battery compartment cavity through the opening part, and the battery compartment cavity is compatible with the at least one battery with different shape, thereby ensuring the operation safety of the balance car using the battery packaging shell.

In an optional embodiment, the inner side wall of the battery compartment cavity is provided with a plurality of limiting members at different positions, and when the battery is inserted into the battery compartment cavity, at least part of the limiting members abuts against the battery, so as to reliably limit the battery.

In an optional embodiment, the plurality of inner side walls are sequentially and adjacently arranged and enclose the battery compartment cavity to limit the battery from multiple directions, for example, limit the battery from the up-down direction, the left-right direction, the up-down direction and the left-right direction, and further ensure the reliability of limiting the battery.

Can carry out reliable spacing to the battery through this battery packaging shell, prevent that the battery from appearing rocking, avoid the balance car to lead to unusual vibration at gliding process, improve balance car flight safety. In addition, the battery packaging shell can be compatible with batteries with at least one different shape, so that new products purchased by users can use the batteries of the previous generation products after the products are updated, and the user experience is further improved.

In an optional embodiment, the inner side wall includes a first side wall and a second side wall opposite to the first side wall, the limiting member on the first side wall is symmetrically arranged with respect to a vertical axis of the battery compartment cavity, and the limiting member on the second side wall is symmetrically arranged with respect to the vertical axis, so that when the battery is limited by the symmetrical arrangement, stability and stress symmetry of the battery are maintained, and thus, a limiting effect can be improved.

In an alternative embodiment, the predetermined shape is adapted to match the cross-section of the battery including an oval or square shape, so that batteries having different shapes can be respectively inserted into the battery compartment cavities of the battery pack case. In embodiments of the present application, the cell is a rectangular parallelepiped structure, and its cross-section comprises an oval or square shape.

In an optional embodiment, the balance car further includes two control boxes 500, where the two control boxes 500 are respectively a first control box and a second control box, the first control box is fixedly connected to the first in-wheel motor, and the second control box is connected to the second in-wheel motor.

Illustratively, each control box 500 comprises a base 501 and a cover 502, wherein the base 501 is provided with an open inner cavity 5012, and the cover 502 can movably cover the open of the inner cavity 5012. Wherein, be provided with inductive switch in the inner chamber 5012, inductive switch is used for the state of trampling of response control box 500.

Specifically, the control box 500 is wrapped with a pedal leather 300, the pedal leather 300 and the cover 502 of the control box 500 form the pedal for pedaling, and the sensing switch is used for sensing the pedaling state of the pedal. In this embodiment, the base 501 includes a first base and a second base, the cover includes a first cover and a second cover, the first base and the first cover are assembled to form a first control box, and the second base and the second cover are assembled to form a second control box.

In an alternative embodiment, the pedal skin 300 has a cavity structure 301 matching with the control box 500 and an outer edge structure 302 convexly disposed along the peripheral side, after the pedal skin 300 is sleeved on the control box 500 through the cavity structure 301, the first in-wheel motor and the second in-wheel motor are mounted at two ends of the second frame 101, so that the control box 500 can pass through the pedal mounting groove 1011, the outer edge structure 302 abuts against the inner side of the pedal mounting groove 1011, and external liquid is effectively prevented from entering the accommodating cavity from a gap between the pedal mounting groove 1011 and the control box 500, and the service life of electronic components and batteries in the accommodating cavity is effectively prevented from being affected.

In an alternative embodiment, the triggering member 5022 is provided on the cover 502 to trigger the sensing switch, so that the balance car can determine the initial state or the stepping state of the control box 500 according to the signal sensed by the sensing switch.

Specifically, the trigger piece 5022 comprises a first trigger piece and a second trigger piece, the first trigger piece is arranged on the first cover body, the second trigger piece is arranged on the second cover body, the first trigger piece is used for sensing the pedal condition on the first cover body, and the second trigger piece is used for sensing the pedal condition on the second cover body.

In an alternative embodiment, a first elastic member 503 is disposed in each of the first control box and the second control box, and the first elastic member 503 forces the first cover and the second cover to be transformed from the initial state to the stepping state, so that the first cover and the second cover are always kept in the initial state without being subjected to an external force.

In an optional embodiment, the first cover and the second cover are both provided with first guiding posts 5021, wherein the first base and the second base are provided with first guiding holes 5011, and the first cover and the second cover are movably and correspondingly installed in the inner cavities of the first base and the second base through the cooperation of the first guiding posts 5021 and the first guiding holes 5011 to perform a guiding function.

In an alternative embodiment, the number of the first guiding studs 5021 is two, and two first guiding studs 5021 are symmetrically arranged on two sides of the first cover or the second cover in the extension line of the length relative to the trigger 5022, so as to ensure the stability of the movement of the first cover relative to the first seat or the second cover relative to the second seat.

In an alternative embodiment, the first housing and the second housing have protruding, staggered first ribs 5014 on both sides of the inner cavity 5012, wherein the outer walls of the first guide holes 5011 are connected to the first ribs 5014 to increase the rigidity of the first housing and the second housing.

In an alternative embodiment, the first reinforcing rib 5014 forms a limiting portion on a side wall of the inner cavity of the first seat or the second seat, and the first cover or the second cover abuts against the first limiting portion in the stepping state, so as to ensure that the first cover or the second cover can have a certain distance from the bottom of the inner cavity 5012, and prevent the inductive switch from being damaged by the first cover or the second cover after the stepping state.

In an optional embodiment, the bottom ends of the first control box and the second control box are concavely provided with reset holes 5015, reset pieces 400 are installed in the reset holes 5015, and one ends of the reset pieces 400 far away from the first control box or the second control box are abutted to the frame 100, so that the first control box and the second control box can be in a balanced state under the action of the reset pieces 400, and then the functions of acceleration, deceleration, turning, reversing and the like of the balance car can be realized by controlling the inclination of the first control box and the second control box.

In an alternative embodiment, the return element 400 comprises a first spring element 401 and a sleeve 402.

In an alternative embodiment, the reset hole 5015 is provided at a side of the first control box near the first in-wheel motor or the second control box near the second in-wheel motor, and the first pedal or the second pedal abuts against a back surface of the reset hole 5015 in a stepping state to ensure a force balance of the first control box or the second control box.

In an alternative embodiment, the side of the base 501 facing away from the internal cavity 5012 is provided with a second reinforcement rib 5016 for enhancing the strength and rigidity of the base 501.

In an alternative embodiment, the bottom of the inner cavity 5012 is provided with a circuit board mounting portion 5013, the inductive switches are integrated on a circuit board 504, four corners of the circuit board 504 are provided with circuit board fixing holes, and the positions and the number of the circuit board mounting portions 5013 correspond to the positions and the number of the circuit board fixing holes, so that the circuit board 504 can be fixed on the circuit board mounting portion 5013 through screws penetrating through the circuit board fixing holes, and it is also ensured that the position of the trigger 5022 corresponds to the position of the inductive switches, that is, the trigger 5022 can trigger the inductive switches when the first cover or the second cover is in a trampling state.

In an alternative embodiment, the control box 500 forms a gap with the pedal mounting slot communicating with the receiving chamber such that the gap forms a floating space of the control box when the control box is mounted to the second frame.

In an alternative embodiment, the second frame 102 is provided with a mating structure at the edge of the pedal mounting slot, perpendicular to the second frame, and protruding towards the receiving cavity, the height of the mating structure being smaller than the height of the control box.

In an alternative embodiment, the thickness of the mating structure is adapted to the thickness of the first or second frame.

In an alternative embodiment, both ends of the first frame 102 are provided with a first mounting location 1021 and a second mounting location 1022, and the second mounting location 1022 is spaced apart from the first mounting location 1021. Wherein the first axle and the second axle are each mounted on the first mounting location 1021 and the second mounting location 1022 by two bearing members 700.

In the present embodiment, the bearing member 700 includes a first bearing 702 and a second bearing 701, the axle of the first hub motor is mounted on the first mounting location 1021 and the second mounting location 1022 of one end of the first frame 102 through the first bearing 702 and the second bearing 701, and the axle of the second hub motor is mounted on the first mounting location 1021 and the second mounting location 1022 of the other end of the first frame 102 through the first bearing 702 and the second bearing 701.

In an alternative embodiment, the balance car further includes a snap member 203, the axle 201 is provided with a snap groove portion between the first bearing 702 and the bracket mounting portion, and the snap member 203 is snapped on the snap groove portion for preventing the first bearing 702 from moving in the axial direction of the axle 201.

Illustratively, the first and second axles are provided with the above-described snap-in groove portions between the first bearing and the bracket mounting portion, and the snap-in members 203 are snap-in the snap-in groove portions for preventing the first bearing 702 from moving in the axial direction of the first or second axle.

In an alternative embodiment, the first mounting location 1021 is a first rib structure disposed at two ends of the first frame 102, the second mounting location 1022 is a second rib structure disposed at the first frame 102 and having a first predetermined distance from the first rib structure, and the first frame 102 is a shell structure, so that not only the weight and manufacturing cost of the first frame 102 can be reduced, but also the axle 201 of the in-wheel motor 200 can be secured to the first frame 102.

In an alternative embodiment, the flexible member is mounted on the first mounting portion 1021, the flexible member is disposed between the axle 201 of the first in-wheel motor and the axle 201 of the second in-wheel motor and the frame 100, and the flexible member is fixedly connected to both the axle 201 and the frame 100, so that the axle 201 is flexibly connected to the frame 100, and the impact force transmitted when the balance car passes through a steep slope or an uneven road section can be reduced, so that the balance car can run smoothly.

In an optional embodiment, a plurality of connecting ribs are connected between the first rib structure and the second rib structure, and the plurality of connecting ribs are arranged at intervals along the length direction of the first frame 102 to ensure the strong rigidity of the first rib structure and the second rib structure, so that the first rib structure and the second rib structure can provide a supporting function for the axle 201, and can also play a limiting function for the first axle and the second axle, that is, the first axle and the second axle are substantially on the same axis.

In an alternative embodiment, the first mounting portion 1021 is provided with an arc portion along a transverse direction, the arc portion is provided with a plurality of first rib plates arranged longitudinally, and each first rib plate is provided with a first arc surface which is concave inwards and is used for contacting with axles of the first in-wheel motor and the second in-wheel motor.

The arc-shaped part is provided with a stop limiting part, and the stop limiting part is used for limiting the axle 201 of the first in-wheel motor or the second in-wheel motor to rotate between +/-1 degrees relative to the frame, so that powerful conduction can be formed, and the transmission of the force from the axle 201 to the frame 100 is more stable and uniform. In this embodiment, the flexible member is mounted on the first arcuate surface.

In an alternative embodiment, the first frame 102 is further provided with a mounting post 1023, and the mounting post 1023 is located on a side of the second convex rib structure facing away from the first convex rib structure. The hall element is disposed on the PCB 801, and the PCB is fixed to the stud 1023.

Specifically, the quantity of PCB board 801 is two, first frame 102 all is equipped with foretell erection column 1023 in the position that is close to both ends, and two PCB boards 801 correspond and set up on erection column 1023, and when first control box drove first axletree and/or second control box drove the second axletree and rotate, magnetic part 800 on first axletree and/or the second axletree cooperated with the hall element on the PCB board for the gradient of first footboard and/or second footboard of response, thereby the control balance car accelerate, slow down, turn round or back up.

In an alternative embodiment, a sealing ring 105 is connected between the first frame 102 and the second frame 101, and the shape and size of the sealing ring 105 are matched with the shape and size of the end face of the first frame 102 or the second frame 101 at the opening, so that the sealing ring 105 can seal the gap between the first frame 102 and the second frame 101, and prevent liquid such as water from entering the accommodating cavity along the gap between the first frame 102 and the second frame 101, which causes short circuit or some functional failures of electronic devices in the accommodating cavity, thereby improving the waterproof function of the balance car.

In an alternative embodiment, the pedal installation grooves 1011 are symmetrically arranged on the central axis of the first frame 102, and the middle portions of the first frame 102 and the second frame 101 are waist-shaped, so that not only can enough space be ensured at the two ends of the first frame 102 for opening the pedal installation grooves 1011, but also the appearance of the balance car can be better seen.

In an optional embodiment, a first lamp cover groove 1012 is formed in the middle of the first frame 102, a second lamp cover groove 1024 is formed in the middle of the second frame 101, and when the first frame 102 and the second frame 101 are fastened together, the first lamp cover groove 1012 and the second lamp cover groove 1024 form a lamp cover mounting cavity for mounting a head lamp plate of the balance car, so that the road ahead can be illuminated by the head lamp plate during the riding process of the balance car at night.

In an alternative embodiment, the in-wheel motor 200 further includes a connecting member 900, and the control box 500 is connected to the axle 201 through the connecting member 900.

Specifically, the connection member 900 includes a first connection member and a second connection member, the structure of the first connection member is the same as that of the second connection member, the first pedal is connected to the first axle through the first connection member, and the second pedal is connected to the second axle through the second connection member.

The axle 201 is provided with a pedal mounting portion between the first mounting position 1021 and the second mounting position 1022 for mounting a pedal or a control box 500. In this embodiment, the pedal mounting portion includes a first pedal mounting portion provided on the first axle for mounting the first pedal or the first control box, and a second pedal mounting portion; the second pedal mounting portion is provided on the second axle for mounting a second pedal or a second control box.

In an alternative embodiment, the connecting member 900 is provided with a rotating shaft mounting groove 901, the longitudinal section of the axle 201 at the pedal mounting portion is a D-shaped structure, and the shape of the rotating shaft mounting groove 901 is matched with the shape of the pedal mounting portion, so that the connecting member 900 can be fixedly connected with the axle 201, and it is ensured that the pedal or the control box 500 can drive the axle 201 to rotate through the connecting member 900.

Illustratively, the longitudinal section of the first axle at the first pedal mounting portion is in a D-shaped structure, the shape of the rotating shaft mounting groove 901 is matched with that of the first pedal mounting portion, the longitudinal section of the second axle at the second pedal mounting portion is in a D-shaped structure, and the shape of the rotating shaft mounting groove 901 is matched with that of the second pedal mounting portion.

In an alternative embodiment, the connecting member 900 is provided with a first abutting end 902 at two ends in the length direction, the first abutting end 902 has a first preset distance with the end surface of the connecting member 900, and the pedal or the control box 500 is fixed on the first abutting end 902.

Specifically, first butt ends are arranged at two ends of the first connecting piece and the second connecting piece in the length direction, a first preset distance is reserved between the first butt ends and the end face of the first connecting piece or the end face of the second connecting piece, and the first pedal or the second pedal is fixed to the first butt ends.

In an alternative embodiment, the first abutting end 902 is formed by extending and bending one end of the connecting member 900 upward, and the first abutting end 902 is provided with a first pedal mounting hole 9021 for fixing the first pedal or the second pedal.

In an optional embodiment, first fixing holes are formed in the pedal mounting portion, first mounting holes 9011 are formed in the connecting member 900, and the number and the positions of the first mounting holes 9011 correspond to those of the first fixing holes, so that the connecting member 900 can be in threaded connection with the first fixing holes after passing through the first mounting holes 9011 through screws, and thus the connecting member 900 is fixed to the axle 201.

Exemplarily, the first pedal mounting portion and the second pedal mounting portion are both provided with the first fixing holes, the first connecting piece and the second connecting piece are both provided with the first mounting holes 9011, and the number and the positions of the first mounting holes 9011 correspond to those of the first fixing holes.

In an alternative embodiment, the number of the first fixing holes and the number of the first mounting holes are two, and the two first fixing holes are arranged in the axial direction of the axle 201.

In an optional embodiment, the first in-wheel motor and the second in-wheel motor are provided with anti-collision rubber strips, and the anti-collision rubber strips are connected with the frame and the wheel covers of the first in-wheel motor and/or the second in-wheel motor through fasteners, so that damage to the frame 100 or the in-wheel motor 200 of the balance car due to collision is reduced.

After the technical scheme above is adopted, because first frame 102 and second frame 101 are the integrated into one piece structure, and control box 500 or footboard pass through connecting piece 900 to be fixed at axletree 201, first frame 102 and second frame 101 no longer are as the bearing part, consequently can be lower by cost such as plastics material, light in weight, the better material of decorative effect is made, and the focus of balance car descends, the structure is simplified, spare part quantity significantly reduces, greatly reduced manufacturing cost, the workshop can also be thinner in order to increase terrain clearance, trafficability characteristic has been improved, the automobile body volume reduces weight and more lightly carries the transport, so not only optimized the product structure, product manufacturing cost has also been reduced simultaneously.

In an optional embodiment, the balance car further comprises an expander, the expander is installed in a receiving groove formed by the mutual buckling of the first frame 102 and the second frame 102, and is used for making a storage space for shopping, so that the problem that the existing balance car is only suitable for playing and can not be used for shopping and has no storage space is solved, and therefore, the function of providing the storage space or carrying objects can be achieved.

In the present invention, the term "article" such as "article" or "article" includes living and non-living objects, such as adults, babies, animals, and boxes.

In an alternative embodiment, the extender has a connection terminal for connecting to the first frame or the second frame and a storage trough with an opening, which serves as a storage space.

Exemplarily, the shape of expander can be similar to the glass holder structure, and the storing groove in the glass holder is used for placing and accomodates article, and connecting terminal sets up in the week side of glass holder, and the adaptation is thought with the shape and the size of glass holder to the shape and the size of storage tank for the expander can just be fixed in the storage tank, then fixes through connecting terminal.

In an optional embodiment, the extender further comprises a shielding piece, the shielding piece has a first state and a second state relative to the storage groove, and when the shielding piece is in the first state, the shielding piece shields the opening of the storage groove to prevent articles placed in the storage groove from falling off in the riding process; when the shielding piece is in the second state, the shielding piece is moved away from the storage groove, and articles in the storage groove can be conveniently taken and placed.

In an alternative embodiment, a first fitting is provided on the extender and a second fitting is provided on the shield so that the shield can be removably mounted on the extender by engagement of the second fitting with the first fitting.

In an alternative embodiment, one of the first assembly and the second assembly may be a magnetic attraction member, and the other of the first assembly and the second assembly may be a metal attraction member or a magnetic attraction member.

For example, the first and second assemblies may be permanent magnets or electromagnets, the permanent magnets may be an alnico permanent magnet alloy or an iron-chromium-cobalt permanent magnet alloy, and the electromagnets may be selectively turned on or off as needed to control the operation of the closure. The specific type and material of the magnetic attraction member are not limited in this application.

When the article is put into the opening of the storage groove, the opposite magnetic poles of the first assembly part and the second assembly part are opposite, so that the shielding part can be firmly fixed on the opening of the storage groove under the attraction of the opposite magnetic poles. In this embodiment, the first assembly part is at least one magnet arranged on the storage tank, the side wall of the storage tank is provided with at least one magnet installation groove, each magnet is correspondingly installed on the magnet installation groove, the second assembly part is a magnetic iron sheet arranged on the shielding piece, and the magnetic iron sheet is installed on one side of the shielding piece facing the storage tank, so that the magnetic iron sheet can be adsorbed on the at least one magnet.

In addition, the first assembly part and the second assembly part can be magnet pieces at the same time, wherein the magnetic pole of the first assembly part is opposite to the opposite magnetic pole of the second assembly part, and the opposite magnetic pole is that the opposite magnetic poles of the first assembly part and the second assembly part form the opposite magnetic pole, so that the shielding piece can be embedded on the opening of the storage groove and locked and fixed under the attraction effect of the opposite magnetic pole of the first assembly part and the second assembly part.

It should be noted that the first assembly member may also be a bar magnet, a circular magnet or a magnet with other shapes, and the second assembly member may be another metal member that can be attracted by the magnet; or the first assembly part is other metal parts capable of being attracted by the magnet, and the second assembly part is the magnet, which is not limited in the application. In an alternative embodiment, one of the first assembly member and the second assembly member may be a snap-fit portion, and the other of the first assembly member and the second assembly member may be a snap-fit portion, and the snap-fit portion is snapped with the snap-fit portion, so that the shielding member can be detachably mounted on the extender.

Illustratively, the first assembly part is a clamping part arranged on the inner side wall of the storage tank, the second assembly part is a clamping groove part arranged on the shielding part, and the position of the clamping part corresponds to that of the clamping groove part, so that the shielding part can be locked together through the connection of the clamping part and the clamping groove part.

In addition, buckle portion also can set up on the shielding piece, and draw-in groove portion also can set up on the inside wall in storing groove, and the position of draw-in groove portion corresponds with buckle portion's position to the shielding piece can be tightly fixed on the opening part in storing groove by buckle portion and the cooperation of draw-in groove portion.

In an optional implementation manner, one of the first assembly part and the second assembly part may be a hook and loop fastener surface, the other one of the first assembly part and the second assembly part may be a hook and loop fastener surface, and the hook and loop fastener surface is hooked with the hook and loop fastener surface, so that the shielding part can be detachably mounted on the expander.

Exemplarily, the hook-and-loop fastener is fixed on the terminal surface of shielding piece towards the storing groove through glue, and the magic tape matt surface is pasted on the open-ended terminal surface of storing groove to make the shielding piece can pass through the hook-and-loop fastener and bond on the magic tape matt surface.

In an optional embodiment, the shielding piece is provided with a rotating shaft, and the rotating shaft is rotatably connected with the expander; or the shielding piece is rotatably arranged on the expander through a hinge structure and is used for shielding the opening of the storage groove.

In an alternative embodiment, the extender is provided with at least one sliding groove and the shutter is provided with a sliding shaft, wherein the sliding shaft is slidably mounted on the sliding groove, so that the shutter can be slidably mounted on the extender by the cooperation of the sliding shaft and the sliding groove.

In an optional embodiment, the shielding member comprises a first shielding member and a second shielding member, wherein a guide rail groove is formed in the extender, the first shielding member and the second shielding member are slidably mounted in the guide rail groove to form a sliding door structure, and when the first shielding member is unfolded relative to the second shielding member, the first shielding member and the second shielding member are combined to fold the opening of the storage groove, so that the opening of the storage groove is shielded.

In the description of the present application, it is to be noted that the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected unless otherwise explicitly stated or limited. Either mechanically or electrically. Either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed. In addition, examples of various specific processes and materials are provided herein, but one of ordinary skill in the art may recognize applications of other processes and/or use of other materials.

In the description herein, references to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 the present application. In this specification, schematic representations of the above terms do not necessarily 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.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: numerous changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A balance car is characterized by comprising a first in-wheel motor, a second in-wheel motor and a car frame, wherein the first in-wheel motor and the second in-wheel motor are respectively fixed at two ends of the car frame along the length direction;

wherein, in-wheel motor includes wheel hub and connects the axletree on wheel hub, axletree mobile installation is in on the frame, the frame embeds there is the control panel, wheel hub include the wheel hub main part and with the wheel cap of the coaxial setting of wheel hub main part, the wheel hub main part with the wheel cap can be dismantled to be connected and be formed with the holding chamber between the two for install the wheel lamp plate.

2. The balance car of claim 1, wherein a control circuit is arranged in the accommodating cavity, and the wheel lamp panel is in communication connection with the control panel through the control circuit.

3. The balance car of claim 2, wherein a rotating shaft hole is formed in the axle, and the control circuit is electrically connected with the control board through a cable penetrating through the rotating shaft hole.

4. The balance car of claim 1, wherein the wheel light panel is an EL cold light.

5. The balance vehicle of claim 1, wherein the hub body and the wheel cover are bolted together.

6. The balance car of claim 1, wherein the hub body is provided with a first locking hole, the wheel cover is provided with a second locking hole corresponding to the first locking hole, and the hub body passes through the first locking hole through a fastener to be detachably connected with the second locking hole.

7. The balance car of claim 1, wherein the axle comprises a first axle and a second axle, the first in-wheel motor is provided with the first axle, the second in-wheel motor is provided with the second axle, the first axle is fixedly connected with a first control box, and the second axle is fixedly connected with a second control box.

8. The balance car of claim 7, wherein the first control box and the second control box are both provided with inductive switches for sensing the treading state of the pedals of the first control box or the second control box.

9. The balance car of claim 8, wherein the first control box comprises a first seat and a first cover, the inductive switch is disposed in the first seat, the first seat is fixed to the first in-wheel motor, and the first cover is provided with a trigger for triggering the inductive switch.

10. The balance car of claim 1, wherein the frame comprises a second frame and a first frame, the second frame and the first frame engaging each other and forming a receiving cavity, the gyroscope being disposed in the receiving cavity.

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