CN219134396U - Balance car - Google Patents

Abstract

The application relates to a balance car, which comprises a base used as a supporting main body, wheels arranged on two sides of the base and at least one battery box arranged below the base, wherein batteries are accommodated in the battery box, and the wheels comprise brushless hub motors and tires; the lower surface of the base is provided with a plurality of guide posts, and the end surface of at least one guide post is provided with a threaded hole; the battery box is provided with a fixing hole corresponding to the position of the guide post, a guide groove matched with the guide post is formed on one side of the fixing hole, which is close to the base, the guide groove is communicated with the fixing hole, and a fixing screw penetrates through the fixing hole and is in threaded connection with the threaded hole so as to fixedly connect the battery box with the base. The battery box is arranged below the base, so that the gravity center of the balance car moves downwards below the axis of the wheels, and the stability of the balance car is facilitated; when the battery box is installed, the guide post and the guide groove are used for guiding and positioning, so that the blind installation of the battery can be realized, the battery can be installed in place, and the battery box is fixed on the base by using the fixing screw.

Description

Balance car

Technical Field

The application belongs to the technical field of balance cars, and relates to a balance car.

Background

The operation principle of the balance car is mainly established on the basic principle called dynamic stability (Dynamic Stabilization), and the change of the posture of the car body is detected by using a gyroscope and an acceleration sensor in the car body, and a servo control system is used for accurately driving a motor to perform corresponding adjustment so as to keep the balance of the system; is a novel green environment-friendly product which is used as a walking tool and is used for leisure and recreation by modern people.

In the related art, the battery of the off-road balance car adopts a single battery design, and because the off-road balance car has serious running duration in larger riding, the battery needs to be configured to be larger, but the battery of the existing balance car is arranged in the base, and the limited space limits the larger battery.

The battery of the existing balance car is usually installed inside the base, other accessories of the balance car are required to be detached and then taken out when detached, and the wire is required to be plugged and wired very troublesome, time and labor are wasted, the circuit is easy to be misplaced or broken, and the battery is not suitable for occasions with quick-dismantling requirements such as leases.

Disclosure of Invention

In order to overcome the problem existing in the related art, the application aims at providing a balance car, and batteries are independently arranged and installed outside a base, so that the battery can be conveniently detached and installed.

The application is realized by the following technical scheme.

The technical scheme is to provide a balance car, which comprises a base used as a supporting main body, wheels arranged on two sides of the base and at least one battery box arranged below the base, wherein batteries are accommodated in the battery box, and the wheels comprise brushless hub motors and tires; the lower surface of the base is provided with a plurality of guide posts, and the end surface of at least one guide post is provided with a threaded hole;

the battery box is provided with a fixing hole corresponding to the position of the guide post, a guide groove matched with the guide post is formed on one side of the fixing hole, which is close to the base, the guide groove is communicated with the fixing hole, and a fixing screw penetrates through the fixing hole and is in threaded connection with the threaded hole so as to fixedly connect the battery box with the base.

According to the technical scheme, the battery is arranged in the battery box to form an independent component which is arranged below the base, the battery box can protect the internal battery, and the battery box is arranged below the base, so that the gravity center of the balance car moves downwards below the axis of the wheel, and the stability of the balance car is facilitated; when the battery box is installed, the guide post and the guide groove are used for guiding and positioning, so that the blind installation of the battery can be realized, the battery can be installed in place, and the battery box is fixed on the base by using the fixing screw.

In one embodiment of the technical scheme, a quick-detachable electric connector is arranged between the battery box and the base, and comprises a power connector and a power socket which are matched with each other, and the electric connector is electrically connected with the battery.

In one embodiment of the solution, the battery compartment is provided with a fuse, which is mounted with the fuse connected between the battery and the electrical connector.

In one embodiment of the technical scheme, a front cover plate assembly is further arranged below the base, the front cover plate assembly comprises a front cover plate connected to the base and a front car lamp arranged on the front cover plate, and the front cover plate assembly is positioned in front of the battery box; and/or the number of the groups of groups,

the back shroud subassembly is still installed to the below of base, and back shroud subassembly is located the rear of battery case including connecting the back shroud on the base, installing the back car light on the back shroud and installing the loudspeaker in the back shroud.

In one embodiment of the technical scheme, the brushless hub motor comprises a motor shaft, a stator fixed on the motor shaft and a rotor magnet fixed on a hub, wherein the hub is fixed on the motor shaft through a bearing to rotate, and a Hall component for identifying signals is further arranged on the stator.

In one embodiment of the technical scheme, the hub is further provided with a hub cover, the motor shaft is connected with the hub and the hub cover through bearings respectively, the stator is arranged in the inner cavity formed by the hub and the hub cover in the middle, the motor shaft is provided with a threading hole, and the end part of the motor shaft is fixed on the base.

In one embodiment of the technical scheme, a central control assembly is arranged in the middle of the upper part of the base, the central control assembly comprises a central control shell, a switch seat and a display screen, the switch seat is arranged on the base, and a power switch, a USB interface, a charging interface or a lamp panel switch are arranged on the switch seat;

the central control shell is provided with an opening for operating the power switch and a switch cover for covering the opening, one end of the switch cover is rotationally connected with the central control shell, and the other end of the switch cover is attached to the central control shell through magnetic attraction, so that the switch cover can be opened.

In one embodiment of the technical scheme, the two side edges above the base are provided with a mud guard assembly, the mud guard assembly comprises a mud guard and a bumper, and the mud guard is arranged on the bumper; the base is provided with a connecting seat, and the bumper is fixed on the base in the vertical direction and fixed on the connecting seat in the horizontal direction.

In one embodiment of the technical scheme, the base is further provided with a pedal assembly, the pedal assembly comprises a cover plate arranged above the base, at least one elastic foot pad arranged above the cover plate, a plurality of self-resetting elastic pieces respectively arranged below the corresponding foot pad plates and respectively penetrating through the cover plate, and a plurality of induction switches fixedly arranged in the base and respectively arranged under the corresponding self-resetting elastic pieces; the cover plate and the base form a hollow cavity, a space exists between the foot pad and the cover plate, and the self-resetting elastic piece can move downwards into the corresponding inductive switch.

In an embodiment of the technical scheme, the base is further provided with a control main board, the control main board is arranged in the hollow cavity, and the induction switch, the battery and the brushless hub motor of the pedal assembly are respectively connected with the control main board.

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

The foregoing and other objects, features and advantages of the application will be apparent from the following more particular descriptions of exemplary embodiments of the application as illustrated in the accompanying drawings wherein like reference numbers generally represent like parts throughout the exemplary embodiments of the application.

Fig. 1 is a schematic diagram of the overall structure of a balance car according to an embodiment of the present application.

FIG. 2 is a schematic diagram of an exploded structure of a balance car according to an embodiment of the present application

Fig. 3 is a schematic structural view of a battery case and a base according to an embodiment of the present application.

Fig. 4 is a schematic view of an exploded structure of the battery case shown in an embodiment of the present application.

Fig. 5 is an exploded structural schematic view of a brushless hub motor shown in an embodiment of the present application.

Fig. 6 is an exploded structural schematic view of a front cover plate assembly shown in an embodiment of the present application.

Fig. 7 is an exploded structural schematic view of a back plate assembly shown in an embodiment of the present application.

FIG. 8 is a schematic view of an exploded view of a foot pedal assembly according to one embodiment of the present application.

Fig. 9 is a schematic structural view of the positional relationship of the self-resetting elastic member and the induction switch shown in an embodiment of the present application.

Fig. 10 is an exploded view of a central control assembly according to an embodiment of the present application.

Fig. 11 is an exploded structural schematic view of a steering mechanism shown in an embodiment of the present application.

FIG. 12 is a schematic exploded view of a handlebar assembly shown in an embodiment of the present application.

Fig. 13 is an exploded view of a foot rest assembly according to one embodiment of the present application.

Reference numerals illustrate:

11-a base; 111-guide posts; 112-a threaded hole; 113-connecting seats; 12-a control main board; 13-a switch seat; 131-a power switch; 132-USB interface; 133-a charging interface; 134-light panel switch; 14-a display screen; 15-a central control shell; 151-acrylic cover plate; 152-a switch cover; 153-a spindle; 154-a first magnet; 155-a second magnet;

21-a battery case; 211-fixing holes; 212-a guide groove; 22-battery cover; 23-cell; 251-power connector; 252-power outlet; 26-a safe; 261-safety cover; 27-a fuse;

30-a front cover plate assembly; 301-avoiding grooves; 31-a front cover plate; 32-front vehicle lamp; 33-front blocking plate; 34-metal piece;

40-a back cover plate assembly; 41-a back cover plate; 42-rear car lights; 43-rear closure plate; 45-horn; 46-a buzzer; 47-bluetooth circuit board; 48-GPS board;

a 50-foot support assembly; 51-a support base; 511-a tank; 512-through holes; 52-foot support; 521-rotating holes; 522-positioning holes; 53-a button combination mechanism; 531-guide rail; 532-buttons; 533-linkage block; 534-locating pins; 54-a first elastic member; 55-a return mechanism; 56-a rotation axis; 57-limiting shaft.

60-wheels; 61-tyre; 62-a motor shaft; 621-threading holes; 63-a stator; 64-hub; 65-hub cap; 651-boss; 652-oil seal; 66-rotor magnets; 67-hall element; 68-a mudguard; 69-a bumper;

70-a pedal assembly; 71-cover plate; 72-foot pad; 73-a footplate; 74-self-resetting spring; 741-tongue; 75-an inductive switch;

80-a handle bar assembly; 81-a faucet member; 82-a sleeve; 821-adjusting the nut; 822-a nut press block; 83-telescoping rod; 84-transverse handle; 841-U-shaped pressing blocks; 842-handle sleeve; 85-LED lamp panels; 851-a lamp shade; 86-an outer ring decorative ring;

90-steering mechanism; 91-bearing seats; 912-bearing holes; 92-bearing; 93-steering shaft; 931-groove; 932-external threads; 933-flat position; 94-magnetic member; 95-magnet base; 96-hall device; 97-a second elastic member; 98-conductive member.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which some embodiments of the present application are shown, and it is apparent that some, but not all embodiments of the present application are described. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are within the scope of the present disclosure.

The following describes the technical scheme of the embodiments of the present application in detail with reference to the accompanying drawings.

As shown in fig. 1 to 4, the present embodiment is an off-road balance car, comprising a base 11 for supporting a main body, the base 11 is made of metal or plastic material, such as aluminum, aluminum alloy or engineering plastic, etc., the strength of the base 11 can bear a great weight of a human body, a hollow cavity with an opening at the upper side is provided above the base 11, a plurality of partition boards can be provided in the hollow cavity as required, and the partition boards can increase the strength of the base 11 and partition the hollow cavity so that other components can be mounted in the hollow cavity.

The off-road balance car comprises a control main board 12, wherein the control main board 12 is arranged in a hollow cavity of the base 11, and the control main board 12 is used for the whole off-road balance car.

As shown in fig. 3 to 4, the off-road balance car comprises two battery boxes 21, a battery 23 is installed in each battery box 21, the cruising ability of the off-road balance car can be increased by adopting double batteries, a battery cover 22 is used for sealing the battery 23 above the battery boxes 21, and the battery boxes 21 are provided with water leakage holes and pressure relief holes so as to prevent water from flowing out rapidly after water is fed, and the pressure relief holes can ensure the balance of internal and external air pressures.

Each battery box 21 is an independent module, the battery box 21 is installed below the base 11, a plurality of guide posts 111 are arranged on the lower surface of the base 11, threaded holes 112 are formed in the end faces of all or part of the guide posts 111, the guide posts 111 are all downward integrated on the base 11, the battery box 21 is provided with fixing holes 211 corresponding to the positions of the guide posts 111, guide grooves 212 matched with the guide posts 111 are formed in one side, close to the base 11, of the fixing holes 211, the guide grooves 212 are communicated with the fixing holes 211, and fixing screws penetrate through the fixing holes 211 and are in threaded connection with the threaded holes 112 so as to fixedly connect the battery box 21 with the base 11.

Thus, the battery 23 is arranged in the battery box 21 to form an independent component which is arranged below the base 11, the battery box 21 can protect the internal battery 23, and the battery box 21 is arranged below the base 11, so that the gravity center of the off-road balance car is moved downwards below the axes of the wheels, and the stability of the off-road balance car is facilitated; when the battery box 21 is installed, the guide post 111 and the guide groove 212 are used as guide positioning, so that the blind installation of the battery box 21 can be realized, and the battery box 21 is fixed on the base 11 by using a fixing screw.

It should be noted that, the shape of the guide post 111 may be a circular post, a square post or an irregular post, the shape of the guide slot 212 is consistent with that of the corresponding guide post 111, all the guide posts 111 may be the same shape or may be different shapes to achieve the fool-proof effect, and when the battery case 21 is mounted on the base 11, the guide posts 111 may be inserted into the guide slots 212 of the battery case 21 to achieve the rapid positioning effect.

In order to connect the battery 23 with the control motherboard 12, a quick-detachable electrical connector is provided between the battery case 21 and the base 11, the electrical connector includes a power connector 251 and a power socket 252, which are matched with each other, and the electrical connector is electrically connected with the battery 23 and the control motherboard 12. Illustratively, the power socket 252 is disposed on the battery case 21, the power connector 251 is disposed on the base 11, when the battery case 21 is mounted on the base 11, the power connector 251 cooperates with the power socket 252, the circuit can be automatically connected after docking, the battery supplies power to the control motherboard 12, and the power supply to other components is controlled by the control motherboard 12.

So, but adopt quick assembly disassembly's electric connector, need not the wiring when installing battery 23, the circuit can be put through automatically after locking the fixed screw, and it is very convenient to be used for the cross-country balance car of lease to change the battery to adopt the design of double cell, satisfied the higher user's of practical frequency demand.

The position of the battery box 21 close to the base 11 is provided with a fuse box 26, the fuse box 26 is integrally formed on the battery box 21, a fuse 27 is installed in the fuse box 26, the fuse box 26 is sealed by a fuse cover 261, and the fuse 27 in the fuse box 26 is connected between the battery 23 and the electric connector, so that a power supply circuit can be protected.

The front cover plate assembly 30 and the rear cover plate 41 assembly 40 are also installed below the base 11, the front cover plate assembly 30 is located in front of the battery box 21, the rear cover plate 41 assembly 40 is located behind the battery box 21, and the front and the rear are based on the walking direction of the off-road balance car.

As shown in fig. 6 and 7, the front cover assembly 30 includes a front cover 31 coupled to the base 11 and a front lamp 32 mounted on the front cover 31, and the rear cover assembly 40 includes a rear cover 41 coupled to the base 11, a rear lamp 42 mounted on the rear cover 41 and a horn 45 mounted in the rear cover 41, a buzzer 46, a bluetooth circuit board 47 and a GPS board 48 that can communicate wirelessly. Of course, one or more of the loudspeaker 45, the buzzer 46, the Bluetooth circuit board 47 and the GPS board 48 which can communicate wirelessly can also be installed in the front cover plate 31, and can also be installed selectively according to actual requirements.

The front cover plate 31 and the rear cover plate 41 are all shell structures, other components and electric wires can be installed in the cavities, the front cover plate 31 is provided with the front blocking plate 33, the rear cover plate 41 is provided with the rear blocking plate 43 for sealing the cavities, the front cover plate 31 and the rear cover plate 41 are all made of plastic through injection molding, the tops of the front cover plate 31 and the rear cover plate 41 are plugged with metal pieces 34, threads are arranged on the metal pieces 34 and are connected with the base 11 through the screw connection metal pieces 34, the metal pieces 34 not only provide holes for threaded connection, but also can press the front cover plate 31 and the rear cover plate 41 on the base 11, so that the stress area is increased, and the product reliability is stronger.

The base 11 is also provided with a foot support assembly, the foot support assembly can be used for supporting an off-road balance car when being unfolded, the foot support assembly can be folded when being driven, and the front cover plate 31 is provided with an avoidance groove 301 for avoiding the movement of the foot support assembly. When the foot support assembly is folded and retracted, the foot support assembly can be retracted into the avoidance groove 301 of the front cover plate 31 to be hidden, no obstacle is caused during riding, the safety is high, and the foot support assembly is attractive

As shown in fig. 13, the foot stand assembly 50 includes a stand base 51, a foot stand 12, a button combination mechanism 53, a first elastic member 54, and a return mechanism 55; the support seat 51 is mounted on the base 11, and the foot support 52 is movably arranged on the support seat 51 and can move relative to the support seat 51, so that the foot support 52 is contracted or supported; the button combination mechanism 53 is movably arranged at the side edge of the bracket seat 51, and the first elastic piece 54 is arranged between the bracket seat 51 and the button combination mechanism 53 and is used for providing restoring force for the button combination mechanism 53; the restoring mechanism 55 is disposed at a side of the foot stand, and provides restoring force to the foot stand 52, and through cooperation of the button combination mechanism 53 and the restoring mechanism 55, an extending function of the foot stand 52 is realized for parking support, and a retracting function is realized for riding.

The bracket seat 51 is provided with a groove body 511 and a plurality of through holes 512, and the foot bracket 52 is movably arranged in the groove body 11 through a rotating shaft 56; the positions of the through holes 512 respectively correspond to the positions of the button combination mechanism 53, the rotating shaft 56 and the limiting shaft 57, and meanwhile, some through holes 512 are used for fixedly arranging the bracket seat 51 on the off-road balance car.

The foot support is long metal material, and its effect is the cross country balance car of support and prevents that cross country balance car from empting. The foot support is provided with a rotary hole 521 and a positioning hole 522, and the rotary shaft 56 movably sets the foot support 52 on the support seat 51 through the rotary hole 521; the positioning hole 522 is matched with the button combination mechanism 53 so that the foot support is in a contracted state.

The button combination mechanism 53 includes a guide rail 531, a button 532, a link block 533, and a positioning pin 534; the guide rails 531 penetrate through the support seat 51, and each guide rail 531 is provided with a first elastic member 54; the button 532 is provided at one side of the holder seat 51 and connected to the guide rail 531; the linkage block 533 is provided on the other side of the holder base 51 and opposite to the button 532, and the guide rail 531 is connected to the linkage block 533; the positioning pin 534 is fixedly provided on the link block 533 and can be engaged with the positioning hole 522, thereby fixing the foot stand. In the present embodiment, two guide rails 531 penetrate the support base 51, the two guide rails 531 are arranged in parallel, and two ends of the two guide rails 531 are respectively connected with the button 532 and the linkage block 533; in other embodiments, the number of the guide rails 531 may be one, three or a plurality of other guide rails, and the number of the guide rails 531 may be set according to actual requirements. In this embodiment, the guide 531 is assembled with the button 532, and in other embodiments, the guide 531 may be integrally formed with the button 532. In the present embodiment, the guide rail 531 is fixed to the link block 533 by a fixing nut 1311, and the positioning pin 534 is fixed to the link block 533 by a fixing screw 1341. By the external force acting on the button 532, the linkage block 533 follows the button 532 by the conduction of the guide rail 531, and since the positioning pin 534 is fixedly connected to the linkage block 533, it follows the linkage block 533 to move, thereby being separated from the positioning hole 522.

The first elastic member 54 is a spring, which is disposed on the guide rail 531 in a penetrating manner, and two ends of the first elastic member 54 are respectively connected with the button 532 and the outer side wall of the foot support in a contact manner, and provide restoring force for the button 532. In this embodiment, the restoring mechanism 55 is a torsion spring, and when the positioning pin 534 is disengaged from the positioning hole 522, the restoring mechanism 55 provides a restoring force to the foot stand, so that the foot stand is converted from the supporting state to the contracted state. In this embodiment, the stand base 51 is further provided with a limiting shaft 57, which serves to limit the rotation angle of the foot stand.

As shown in fig. 2 and 5, two wheels 60 are installed at both sides of the base 11, the wheels include a brushless hub motor including a motor shaft 62, a stator 63 fixed to the motor shaft 62, and a rotor magnet 66 fixed to a hub 64, one end of the motor shaft 62 is fixed to the hub 64 through a bearing, and the other end is fixed to a hub cover 65 through a bearing near the other end, an oil seal 652 is provided between the hub cover 65 and the motor wheel 62 inside the bearing to prevent oil leakage, the other end of the motor shaft 62 is fixedly installed on the base 11, the hub cover 65 is fixed to the hub 64, an annular boss 651 and a plurality of mounting holes are provided inside the hub cover 65, and the boss 651 is inserted into an inner ring of the hub 64 and is fixed with screws using the mounting holes.

The inner ring of the hub 64 is provided with 40 rotor magnets 66 to form a magnetic field, the hub 64 and the rotor magnets 66 form a rotor of the brushless hub motor, all the rotor magnets 66 are uniformly attached to the inner ring of the hub 64, a finite element thought is adopted, one circle can be divided into a plurality of rotor magnets 66, for example, 40 rotor magnets 66 are divided, and the 40 rotor magnets 66 are in close sight to replace the circle.

The stator 63 is centrally disposed in an interior cavity defined by the hub 64 and the hubcap 65, and the centrally disposed assembly solves the wobble and whip problems and improves the safety factor. The inside of the motor shaft 62 is provided with a threading hole 621, the end part of the motor shaft 62 is fixed on the base 11 through a motor pressing block, the stator 63 is provided with 36 grooves, a coil is wound in each groove, and the outgoing line of the coil is connected with the control main board 12 through the threading hole 621 of the motor shaft 62.

The stator 63 is also provided with a Hall component 67 for identifying signals, the Hall component 67 is used for detecting the commutation of the wheel rotation, after current is introduced into the coil of the brushless wheel hub motor, the motor can rotate under the action of the magnetic field of the wheel hub 64, acceleration and deceleration of the off-road balance car are realized, the brushless wheel hub motor can rotate positively and reversely, and compared with the existing off-road balance car, the motor is controlled to commutate by adopting an encoder, and the cost for controlling the commutation by adopting the Hall component 67 is lower.

The wheel adopts a combined form that an 8-inch hub 64 is matched with a 19-inch tire 61, the tire 61 adopts a radial tire 61, the radial tire 61 has a qualitative function, the tire 61 is not easy to shake, swing and jump during riding, the swinging amplitude of the bumper 69 is as small as possible, the swinging of the bumper 69 during off-road balance car jumping or impact during riding is avoided, and the abrasion to the bumper 69 and the mud guard 68 is avoided.

The two side edges above the base 11 are provided with a mud guard assembly, the mud guard assembly comprises a mud guard 68 and a bumper 69, and the mud guard 68 is arranged on the bumper 69; the base 11 is formed with a connection seat 113, and the bumper 69 is fixed to the base 11 with a screw in the vertical direction and fixed to the connection seat 113 with a screw in the horizontal direction. Thus, the mud guard 68 is fixed on the bumper 69, and the bumper 69 is fixed in two directions of vertical and horizontal, so that the three-dimensional positioning of the bumper 69 is realized, and the fixing is more stable than the conventional fixing mode.

As shown in fig. 8 and 9, the base 11 is further mounted with a foot pedal assembly 70, which basically includes a cover plate 71, a foot pad 72, a foot pad plate 73, a plurality of self-resetting elastic members 74 and a plurality of sensing switches 75 mounted above the base 11; the cover plate 71 is arranged above the vehicle base 11, and forms a hollow cavity with the base 11; the foot pad 72 is arranged on the cover plate 71, has elasticity, and the foot pad 72 can have certain deformation relative to the cover plate 71; the footplate 73 is provided on the lower surface of the footpad 72 with a space from the cover plate 71; a plurality of self-resetting elastic members 74 are respectively disposed below the footplate 73 and respectively penetrate the cover plate 71.

When an external force acts on the foot pad 72, the foot pad 72 moves downwards to drive the corresponding foot pad plate 73 to move downwards, so that the corresponding self-resetting elastic piece 74 of the foot pad plate 73 contacts; the plurality of inductive switches 75 are fixedly arranged in the base 11 and respectively arranged under the corresponding self-resetting elastic pieces 74, when the self-resetting elastic pieces 74 move downwards, the self-resetting elastic pieces 74 move into the corresponding inductive switches 75, the inductive switches 75 receive signals, a circuit is conducted, and the cross-country balance car runs normally.

The foot pad 72 is made of silica gel, and is fixed on the cover plate 71 through a plurality of fixing columns; a space is provided between the middle of the foot pad 72 and the cover plate 71. The footplate 73 may be plastic or metal, and preferably the footplate 73 is an aluminum plate.

The pedal assemblies are provided with two groups corresponding to the left foot and the right foot of the human body respectively, the two pedal assemblies share the same cover plate 71, the number and the positions of the self-resetting elastic pieces 74 and the inductive switches 75 can be selected and set according to actual requirements, the number and the positions of the inductive switches 75 are respectively consistent with those of the self-resetting elastic pieces 74, the inductive switches 75 are in the prior art, and only the inductive switches 75 meeting the requirements of the utility model are needed, so specific induction processes and types of the inductive switches are not repeated herein, for example, the inductive switches 75 are photoelectric sensors, and the self-resetting elastic pieces 74 are made of silica gel materials.

The working process of the pedal assembly is as follows: when a user steps on the foot pad 72, as the foot pad 72 has elasticity, the foot pad 72 deforms downwards under the action of the pressure of the foot, the foot pad plate 73 arranged below the foot pad 72 is driven to move downwards to contact with the corresponding self-resetting elastic piece 74, the self-resetting elastic piece 74 also deforms under the action of the pressure, simultaneously the protruding tongue 741 at the lower end of the self-resetting elastic piece moves downwards, and when the protruding tongue 741 enters the corresponding sensing switch 75, the sensing switch 75 receives a signal, so that a circuit is conducted, and the off-road balance vehicle runs normally;

when the feet of the user leave the foot pad 72, the pressure on the foot pad 72 disappears, the foot pad 72 drives the foot pad 73 to return to the initial position under the action of the elastic restoring force of the foot pad 72, the contact connection with the self-restoring elastic piece 74 is separated, and the protruding tongue 741 leaves the corresponding induction switch 75 under the action of the elastic restoring force of the self-restoring elastic piece 74, so that the circuit is disconnected, and the off-road balance vehicle stops working.

As shown in fig. 10, a central control assembly is further installed at the middle of the two pedal assemblies above the base 11, the central control assembly includes a central control housing 15 to be positioned at the switch seat 13 and the display screen 14 inside the central control housing 15, the central control housing 15 is provided with a window corresponding to the display screen 14, and a transparent acrylic cover plate 151 is attached at the window so that the display contents on the display screen 14 can be seen and waterproof effect can be achieved.

The switch seat 13 is installed on the base 11, be equipped with switch 131 and USB interface 132 on the switch seat 13, interface 133 or lamp plate switch 134 charge, the position that well accuse shell 15 is located switch seat 13 is equipped with the opening, can operate switch 131 and lamp plate switch 134 through the opening, in order to prevent to intake in the switch seat 13, the opening part is equipped with switch cover 152, switch cover 152 leads to pivot 153 to connect switch cover 152 rotation on well accuse shell 15, switch cover 152 can freely rotate and realize the opening and the shutoff function of switch cover 152.

The switch cover 152 is provided with a first magnet 154 at one side of the separation shaft 153, the central control shell 15 is provided with a second magnet 155, when the switch cover 152 is closed, the switch cover 152 can be prevented from being opened abnormally due to the attraction force of the first magnet 154 and the second magnet 155, and magnet blocking blocks are respectively arranged on the first magnet 154 and the second magnet 155, so that the switch cover is attractive, the magnets can be prevented from falling off, and the switch cover 152 can prevent water from entering in rainy days.

As shown in fig. 11 and 12, the cross-country balance car further comprises a handle bar assembly 80 and a steering mechanism 90, the steering mechanism is mounted on the base 11, the handle bar assembly is connected to the steering mechanism, the handle bar assembly comprises a faucet member 81, a sleeve 82, a telescopic rod 83 and a transverse handle 84, a groove handle is fixed at the upper end of the telescopic rod 83 through a U-shaped pressing block 841 and screws, a handle sleeve 842 is mounted at two ends of the transverse handle 84, the lower end of the telescopic rod 83 is inserted into the sleeve 82 and is fixed and height-adjusted through an adjusting nut 821, a nut pressing block 822 is further arranged on the adjusting nut 821 to press the telescopic rod 83 on the sleeve 82, and a buffering plastic member is arranged between the sleeve 82 and the telescopic rod 83 to prevent abrasion of the telescopic rod 83.

The lower end of the sleeve 82 is fixed on the tap member 81, the tap member 81 is fixed on the steering shaft 93 of the steering mechanism, the LED lamp panel 85 is mounted on the tap member 81 through screws, the LED lamp panel 85 is controlled by the lamp panel switch 134 on the switch seat 13, the lamp shade 851 is stuck on the LED lamp panel 85 through glue, and the outer ring decorative ring 86 is fixed on the tap member 81 through screws.

Steering mechanism bearing housing 91, bearing 92, steering shaft 93, magnetic member 94, hall device 96, second elastic member 97, and conductive member 98; the two bearing seats 91 are symmetrically arranged on the base 11; two bearings 92 are respectively provided on the corresponding bearing seats 91; both ends of the steering shaft 93 are respectively provided on two bearings 92, which are rotatable on the two bearings 92; the magnetic member 94 is fixedly provided on the steering shaft 93, and rotates in accordance with the rotation of the steering shaft 93; the hall device 96 is fixedly arranged on the bearing seat 91 and opposite to the magnetic piece 94, when the magnetic piece 94 moves along with the steering shaft 93, the position of the magnetic piece changes relative to the hall device 9616, so that the hall device 96 receives a corresponding steering signal; the second elastic member 97 is disposed in the base 11 and below the steering shaft 93, and the second elastic member 97 has elasticity; the conductive member 98 is disposed between the second elastic member 97 and the steering shaft 93, and functions to transmit the rotational force of the steering shaft 93 to the second elastic member 97, and when the rotational force of the steering shaft 93 disappears, the second elastic member 97 gives a restoring force to the conductive member 98 to drive the steering shaft 93 to return to the original position.

The bearing seat 91 is provided with bearing holes 912, the bearing holes 912 penetrate through the bearing seat 91, and the bearings 92 are arranged in the corresponding bearing holes 912; the bearing seat 91 is provided with a bearing seat 91 fixing hole, and a fixing screw is used for fixing the bearing seat 91 on the base 11 through the corresponding bearing seat 91 fixing hole.

The steering shaft 93 is provided with a groove 931, an external thread 932 and a flat position 933, wherein the groove 931 is arranged at the tail end of the steering shaft 93, the magnetic member 94 is detachably connected in the groove 931, the external thread 932 is arranged at the front end of the steering shaft 93, and the steering shaft 93 is conveniently connected with the faucet member 81 through the external thread 932; a flat position 933 is provided at the lower end of the steering shaft 93, which is in contact connection with the conductor 98; when the steering shaft 93 moves, the flat position 933 presses one side of the conductive member 98, so that the left end or the right end of the conductive member 98 is locally stressed, the conductive member 98 presses the second elastic member 97 after being stressed, and the corresponding side of the second elastic member 97 is correspondingly compressed; when the force on the steering shaft 93 disappears, under the action of the restoring force of the second elastic member 97, the conducting member 98 drives the steering shaft 93 to restore to the original state, that is, the automatic resetting function is realized.

The magnetic part 94 is a magnet, the magnetic part 94 is arranged on the magnet seat 95, the magnet seat 95 is fixedly arranged on the groove 931 through a screw, the magnet seat 95 rotates along with the steering shaft 93, so that the position of the magnetic part 94 relative to the Hall device 96 changes, and the Hall device 96 receives a corresponding steering signal.

The hall device 96 includes a circuit board and a hall element, the circuit board is fixedly disposed on the bearing seat 91 opposite to the magnetic member 94, the hall element is fixedly disposed on the circuit board, when the position of the magnetic member 94 changes relative to the hall element, the hall device 96 receives a corresponding steering signal, the steering signal is transmitted to the control main board 12, so as to control the off-road balance car to steer, and the circuit board and the hall element adopt the prior art, so that specific control processes and models thereof are not repeated herein, as long as the requirements are satisfied.

The conductive member 98 is shaped like a saddle, and a flat position 933 is provided on the conductive member 98, and when the steering shaft 93 moves, the flat position 933 presses one side of the conductive member 98, so that the left end or the right end of the conductive member 98 is locally stressed. The second elastic member 97 is a spring or a high-force rubber block, and when the spring is used, the two springs are symmetrically arranged between the base 11 and the conductive member 98.

The off-road balance car of the embodiment is controlled by the control main board 12, and the induction switch 75, the battery, the brushless hub motor, the LED lamp panel 85, the display screen 14 and the USB interface 132 and the charging interface 133 on the switch base 13 of the pedal assembly are respectively connected with the control main board 12 and are powered by the battery 23.

The embodiments of the present application have been described above, the foregoing description is exemplary, not exhaustive, and not limited to the embodiments disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the various embodiments described. The terminology used herein was chosen in order to best explain the principles of the embodiments, the practical application, or the improvement of technology in the marketplace, or to enable others of ordinary skill in the art to understand the embodiments disclosed herein.

Claims (10)

1. The balance car is characterized by comprising a base, wheels and at least one battery box, wherein the base is used as a supporting main body, the wheels are arranged on two sides of the base, the at least one battery box is arranged below the base, a battery is accommodated in the battery box, and the wheels comprise brushless hub motors and tires; the lower surface of the base is provided with a plurality of guide posts, and the end surface of at least one guide post is provided with a threaded hole;

the battery box is provided with a fixing hole corresponding to the position of the guide post, a guide groove matched with the guide post is formed on one side of the fixing hole, which is close to the base, the guide groove is communicated with the fixing hole, and a fixing screw penetrates through the fixing hole and is in threaded connection with the threaded hole so as to fixedly connect the battery box with the base.

2. The balance car of claim 1, wherein a quick-disconnect electrical connector is provided between the battery compartment and the base, the electrical connector including a mating power connector and power receptacle, the electrical connector being electrically connected to the battery.

3. The balance car of claim 2, wherein the battery compartment is provided with a fuse mounted within the compartment, the fuse being connected between the battery and the electrical connector.

4. The balance car of claim 1, wherein a front cover plate assembly is further installed below the base, the front cover plate assembly comprising a front cover plate connected to the base and a front car light installed on the front cover plate, the front cover plate assembly being located in front of the battery case; and/or the number of the groups of groups,

the back shroud subassembly is still installed to the below of base, and back shroud subassembly is located the rear of battery case including connecting the back shroud on the base, installing the back car light on the back shroud and installing the loudspeaker in the back shroud.

5. The balance car of claim 1, wherein the brushless hub motor comprises a motor shaft, a stator fixed to the motor shaft, and a rotor magnet fixed to a hub, the hub is fixed to the motor shaft for rotation through a bearing, and hall elements for identifying signals are further mounted on the stator.

6. The balance car of claim 5, wherein the hub is further provided with a hub cover, the motor shaft is connected to the hub and the hub cover through bearings, respectively, the stator is centrally disposed in an internal cavity formed by the hub and the hub cover, the motor shaft is provided with a threading hole, and an end of the motor shaft is fixed to the base.

7. The balance car of claim 1, wherein a central control assembly is mounted in the middle of the upper part of the base, the central control assembly comprises a central control shell, a switch seat and a display screen, the switch seat is mounted on the base, and a power switch and a USB interface, a charging interface or a lamp panel switch are arranged on the switch seat;

the central control shell is provided with an opening for operating the power switch and a switch cover for covering the opening, one end of the switch cover is rotationally connected with the central control shell, and the other end of the switch cover is attached to the central control shell through magnetic attraction, so that the switch cover can be opened.

8. The balance car of claim 1, wherein the fender assemblies are mounted on both side edges above the base, the fender assemblies comprising a fender and a bumper, the fender being mounted on the bumper; the base is provided with a connecting seat, and the bumper is fixed on the base in the vertical direction and fixed on the connecting seat in the horizontal direction.

9. The balance car of claim 1, wherein the base is further provided with a pedal assembly, the pedal assembly comprises a cover plate arranged above the base, at least one elastic foot pad arranged above the cover plate, a plurality of self-resetting elastic pieces respectively arranged below the corresponding foot pad plates and respectively penetrating through the cover plate, and a plurality of induction switches fixedly arranged in the base and respectively arranged right below the corresponding self-resetting elastic pieces; the cover plate and the base form a hollow cavity, a space exists between the foot pad and the cover plate, and the self-resetting elastic piece can move downwards into the corresponding inductive switch.

10. The balance car of claim 9, wherein the base is further provided with a control main board, the control main board is disposed in the hollow cavity, and the induction switch, the battery, and the brushless hub motor of the pedal assembly are respectively connected to the control main board.

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