CN209889035U

CN209889035U - Balance car

Info

Publication number: CN209889035U
Application number: CN201920376460.2U
Authority: CN
Inventors: 张秋生; 朱海波; 曹马涛
Original assignee: Zhejiang Taotao Vehicles Co Ltd
Current assignee: Zhejiang Taotao Vehicles Co Ltd
Priority date: 2019-01-28
Filing date: 2019-03-23
Publication date: 2020-01-03
Anticipated expiration: 2029-03-23

Abstract

The utility model belongs to the technical field of travel tools, in particular to a balance car, which comprises a car body, wherein the car body is provided with a driving wheel, the car body comprises a left car body and a right car body, the left car body and the right car body are connected through a rotating connecting piece, and a battery is arranged in the rotating connecting piece; the left vehicle body and the right vehicle body respectively comprise an upper shell and a lower shell, and a controller connected with the battery is installed on the lower shell. The utility model aims at providing a simple structure, reasonable in design's balance car sets up to last casing and lower casing, connects upper housing and lower casing through rotating the connecting piece, with battery installation and rotate the connecting piece inside, the controller is installed under on the casing, has saved the aluminium spare structure, has solved the problem that the process is loaded down with trivial details, the cost is higher and space utilization is not high.

Description

Balance car

Technical Field

The utility model belongs to the technical field of the instrument of riding instead of walk, concretely relates to balance car.

Background

The balance car is a high-tech intelligent product which controls forward and backward by using a dynamic balance principle, detects the change of the posture of the car body by using a gyroscope and an acceleration sensor in the car body, and correspondingly adjusts a driving motor by using a servo control system so as to keep the balance of the system; along with the inclination of the body, the running speed and the advancing direction of the balance car can be controlled, and the balance car is a novel green product used by modern people as a travel tool and leisure and entertainment. The current balance vehicle mainly comprises a single-wheel balance vehicle and a double-wheel balance vehicle, and is particularly popular with consumers due to high stability and simple driving of the double-wheel balance vehicle.

In the existing balance car, on one hand, the whole car is composed of a three-layer structure of a face shell, an aluminum part and a bottom shell, wherein the aluminum part is an aluminum die casting part and is a pressure casting part, and the aluminum die casting part is used for mounting various parts in the balance car, so that the working procedures are increased, and the cost is high; on the other hand, the power supply and the rotating connecting piece are installed in a split mode, the utilization rate of the internal space of the balance car is not high, space is wasted, the size of the balance car is large, and the balance car is not convenient to carry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a simple structure, reasonable in design's balance car sets up to upper shell and lower shell, connects upper shell and lower shell through rotating the connecting piece, with battery installation and rotate inside the connecting piece, the controller is installed on the lower shell, has saved the aluminium structure, has solved the loaded down with trivial details, the higher and not high problem of space utilization of process.

A balance car comprises a car body, wherein a driving wheel is arranged on the car body, the car body comprises a left car body and a right car body, the left car body and the right car body are connected through a rotary connecting piece, and a battery is arranged in the rotary connecting piece; the left vehicle body and the right vehicle body respectively comprise an upper shell and a lower shell, and the lower shell (which should be the upper shell) is provided with a controller connected with the battery.

Further, both ends all are equipped with runing rest about rotating the connecting piece, and the runing rest is fixed in on left automobile body and the right automobile body through the mounting.

Furthermore, the left side and the right side of the upper surface shell are provided with pedal assemblies, and an induction device is arranged below the pedal assemblies.

Furthermore, induction system including with the trigger piece that the footboard subassembly is connected and with the photoelectric switch that the controller links to each other, photoelectric switch is last to be seted up the opening of mutually supporting with the trigger piece.

Furthermore, a return spring is sleeved on the trigger piece.

Furthermore, at least one end of the rotating connecting piece is sleeved with a lubricating bearing, and the lubricating bearing is sleeved between the rotating bracket and the rotating connecting piece; the lubrication bearing is fixed with the rotating bracket and can rotate relative to the rotating connecting piece.

Furthermore, one end of the rotating connecting piece is fixedly connected with the rotating support.

Furthermore, a plurality of shaft grooves are formed in the rotary connecting piece, and clamp springs used for limiting are mounted on the shaft grooves.

Further, the controller is connected with a hub motor and a lamp; the hub motor comprises a motor shaft, and the motor shaft is fixed on the left side and the right side of the vehicle body respectively through motor shaft pressing plates.

Compared with the prior art, the utility model outstanding and profitable technological effect is:

the utility model discloses compare traditional face-piece, aluminium part and drain pan three layer construction, set up to upper panel shell and lower face-piece, through rotating connecting piece connection upper panel shell and lower face-piece, with inside battery installation and the rotation connecting piece, the controller is installed under on the face-piece, has saved aluminium part structure, has simplified the inside mounting structure of balance car, has improved space utilization, and the equipment is more convenient, cost greatly reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a schematic structural view of the pedal assembly.

Fig. 4 is a schematic structural diagram of the controller.

Fig. 5 is a perspective view of the swivel joint.

Fig. 6 is an exploded view of a swivel joint.

Fig. 7 is a cross-sectional view of the rotational connection.

Reference numerals:

1-upper shell; 2-lower shell; 3-rotating the connecting piece; 4-rotating the bracket; 5-a battery; 6-a controller; 7-lubricating the bearing; 8-shaft groove; 9-a clamp spring; 10-a pedal assembly; 11-a trigger; 12-a photoelectric switch; 13-a return spring; 14-a hub motor; 15-motor shaft; 16-motor shaft pressure plate.

Detailed Description

The following describes the present invention in further detail with reference to the accompanying drawings.

A balance car.

As shown in figure 1, the bicycle comprises a bicycle body, wherein a driving wheel is arranged on the bicycle body, the bicycle body comprises a left bicycle body and a right bicycle body, the left bicycle body and the right bicycle body are connected through a rotating connecting piece 3, the bicycle body connection is reliable and stable, and the left bicycle body and the right bicycle body can rotate relatively. A battery 5 is arranged in the rotary connecting piece 3, the left vehicle body and the right vehicle body respectively comprise an upper shell 1 and a lower shell 2, and a controller 6 connected with the battery 5 is arranged on the lower shell 2. Compared with the prior art, the utility model, simplify into two-layer structure with the automobile body, the last shell and following shell promptly remove the aluminum plate that the loaded down with trivial details cost of aluminum plate die-casting, will set up battery and controller replanning on aluminum plate originally, combine battery and rotation connecting piece, the controller setting is on the shell of following, and space structure high-usage has reduced the cost.

As shown in fig. 2, the battery 5 is arranged in the rotary connecting piece 3, and the battery 5 is arranged in the rotary assembly, so that the space is greatly utilized, the space utilization rate is improved, and the volume of the balance car is reduced; the mounting structure in the balance car is simplified, the assembly is more convenient, and the cost is greatly reduced.

And the lower shell 2 is provided with a controller 6 connected with the battery 5, and the controller 6 is connected with and controls the driving wheel. The controller 6 comprises a controller 6 main board and a controller 6 auxiliary board, the controller 6 main board is arranged on the left lower shell, the controller 6 auxiliary board is arranged on the right lower shell, the pedal enables the controller 6 main board and the controller 6 auxiliary board to respectively identify rotation signals under the action of external force, so that the driving wheels are controlled to output different rotating wheel speeds, compared with the prior art, the occupied space of the controller 6 is reduced, and the controller 6 controls the corresponding hub motor 14 to drive the corresponding wheel to rotate according to the sensing signals.

As shown in fig. 5, the left end and the right end of the rotary connecting piece 3 are both sleeved with a rotary bracket 4, the rotary bracket 4 is fixed on the upper shell 1 and the lower shell 2 through screws, and plastic parts can be selected for the upper shell 1 and the lower shell 2. Preferably, the thickness thickening of upper surface shell 1 and lower surface shell 2 is used for ensuring the utility model discloses intensity does not subtract.

As shown in fig. 6, at least one end of the rotary connecting piece 3 is sleeved with a lubricating bearing 7, and the lubricating bearing 7 is sleeved between the rotary bracket 4 and the rotary connecting piece 3; the lubricating bearing 7 is fixed to the swivel bracket 4 and is rotatable relative to the swivel connection 3. One end of the rotating connecting piece 3 is fixedly connected with the rotating bracket 4.

The technical scheme discloses a cost reduction mode, wherein one side of a rotary connecting piece 3 is fixedly connected with a rotary bracket 4 through forced compression and cannot rotate relatively; the other side is provided with a lubricating bearing 7, the lubricating bearing 7 and the rotating bracket 4 are fixed and can not rotate relatively, and the lubricating bearing 7 and the rotating connecting piece 3 can rotate relatively. The balance car is rotated relatively through controlling two automobile bodies and is realized control adjustment, so only need one side car physical stamina relatively rotate can realize, so the utility model discloses a rotate connecting piece 3 one side and link firmly with runing rest 4, rotate connecting piece 3 opposite side and runing rest 4 through lubricated bearing 7 mutual rotation, rotate the smoothness. Because of lubricated bearing 7's required precision is high, manufacturing cost is high, so the utility model discloses satisfying under the in-service use requirement, only setting up a lubricated bearing 7, greatly practiced thrift the cost, it is convenient to install simultaneously.

The lubricating bearing 7 can be maintained in use in a reduced way, and is simple and convenient to maintain; the thin-wall structure is light, and the mechanical volume can be reduced; the static and dynamic friction coefficients are similar, so that the working precision of the machine is ensured; the bearing has over hard quality and proper elastoplasticity, can distribute stress on a wider contact surface, and improves the bearing capacity of the bearing; the wear resistance is good, the friction coefficient is small, and the service life is long; the vibration of the machine can be reduced, the noise can be reduced, the pollution can be prevented, and the labor condition can be improved. The transfer film can be formed in the operation process, the function of protecting the rotary connecting piece 3 is achieved, and the processing difficulty of related parts is also reduced.

Referring to fig. 7 specifically, 2 shaft grooves 8 are formed in the left end and the right end of the rotating connecting piece 3, clamp springs 9 are mounted on the shaft grooves 8, and the clamp springs 9 are arranged at the two ends of the rotating support 4 and used for limiting to prevent the rotating connecting piece 3 from moving axially. Preferably, the clamp spring 9 is a C-shaped elastic clamp spring 9, the inner diameter of the clamp spring 9 is slightly smaller than the shaft diameter of the bearing, when the clamp spring 9 is installed, a clamp mouth is inserted into a clamp hole of the clamp spring 9, the clamp spring 9 is expanded, and then the clamp spring is installed on the shaft groove 8.

As shown in fig. 3 and 4, pedal assemblies 10 are mounted on the left and right sides of the upper housing 1, and a sensing device is disposed below the pedal assemblies 10. The sensing device comprises a trigger piece 11 connected with the pedal assembly 10 and a photoelectric switch 12 connected with the controller 6, and the photoelectric switch 12 is provided with an opening matched with the trigger piece 11. The trigger 11 is sleeved with a return spring 13.

The groove-type photoelectric switch 12 with an opening is one of the correlation type photoelectric switches 12, is called a U-type photoelectric switch 12, is an infrared sensing photoelectric product, and is formed by combining an infrared transmitting tube and an infrared receiving tube, the width of the opening determines the distance between the intensity of a sensing receiving model and a receiving signal, and infrared light between a luminous body and a luminous body is used as a medium to receive and convert so as to detect the position of an object. The groove-type photoelectric switch 12 is also contactless in proximity switches, is less restricted by the detection object, has a long detection distance, can detect a small object at a high detection accuracy over a long distance (several tens of meters), and is widely used.

Under the condition that a person does not stand in a natural state, the trigger piece 11 is separated from the U-shaped opening of the photoelectric switch 12 under the action of the return spring 13, when a foot pedal is stepped on, the foot pedal is pressed down, the trigger piece 11 is close to the U-shaped opening of the photoelectric switch 12, the opposite emission of light is blocked, the switch is disconnected, the controller 6 of the balance car stops controlling the rotation of the hub motor 14 through signals, and the balance car starts to run.

When the foot of the user leaves the pedal, the pedal will return to the natural state under the action of the elastic force of the return spring 13, the trigger 11 leaves the U-shaped opening of the photoelectric switch 12, and the balance car stops. The whole power-on and power-off process has no mechanical contact, no mechanical loss part has long service life, the switch sensitivity is high, and the out-of-control phenomenon can not occur.

Be provided with aluminum plate in traditional balance car, the aluminum plate four corners all is provided with induction system, induction system including trigger 11 and rubber, through rubber with controller 6 links to each other, relies on the deformation feedback of rubber to controller 6, controller 6 receive deformation signal perception someone stand on the balance car, but rubber is easy ageing, and deformation is tired after long-time the use, and controller 6 can't sense deformation and cause the balance car malfunctioning, greatly reduced the life of balance car. The utility model discloses an original rubber is replaced to photoelectric switch 12, only needs respectively to set up an induction system and can sensitively catch the user about footboard below, the cost is reduced has prolonged the life of balance car. Meanwhile, a return spring 13 is installed on the trigger 11, and the trigger 11 can be timely reset after signals are transmitted to the controller 6 through the photoelectric switch 12 by the return spring 13.

As shown in fig. 2, a pedal mounting hole is formed in the upper housing 1, a pedal assembly 10 is mounted in the pedal mounting hole, and the pedal assembly 10 is horizontally mounted on the left upper housing and the right upper housing, respectively. The pedal assembly 10 comprises a pedal plate and a pedal waterproof pressing plate, the pedal waterproof pressing plate is arranged below the pedal plate, the waterproof performance inside the vehicle body is guaranteed, the controller 6 and a power supply and the like in the vehicle body are prevented from being affected with damp and short-circuited, and therefore the service life is prolonged. The pedal is formed with a plurality of anti-slip bulges to increase friction and keep the human body standing stably.

After the pedal is stressed, the generated motion trend signal can be transmitted to the controller 6 through a rotation signal generated by the pedal assembly 10 driving the vehicle body to incline. Preferably, each pedal only accommodates one foot to stand, the treading area of the pedal is small, and the self gravity and the required cost are reduced; therefore, for the car body, the plane covering size of the balance car can be reduced, so that the car body is simpler to process and lower in cost. The running-board sets up in the drive wheel inboard, also changes the balance of accuse balance car, and has certain distance between the running-board, guarantees to ride passerby in the stability of the in-process of riding. The foot pedal on each side transmits a rotation signal to one controller 6, and each controller 6 receives the rotation signal and then controls the driving wheels to rotate at different speeds, so that the turning or driving is more convenient and sensitive. The controller 6 is conventional and will not be described in detail.

The driving wheels are arranged on two sides of the vehicle body, the hub motors 14 are installed in the driving wheels, and the hub motors 14 are used for driving the vehicle body to generate displacement. The hub motor 14 comprises a motor shaft 15, and the motor shaft 15 is fixed on the pedal plate through a motor shaft pressing plate 16. The motor shaft pressing plate 16 is formed with a mounting groove in a downward concave manner, connecting holes connected with the pedal plates are symmetrically formed in two sides of the motor shaft pressing plate, so that the connection is stable, and the disassembly and the assembly are convenient; the motor shaft pressure plate 16 plays a role in supporting and limiting, and is stressed uniformly. The driving wheel body is large, and the stability and the driving force of the vehicle body can be greatly ensured. The driving wheel is characterized in that a wing-shaped fender is arranged between the driving wheel and the pedal plate, on one hand, muddy water splashed in the driving process can be blocked, on the other hand, the fender is higher than the pedal plate, the blocking effect is achieved, a rider can stand more stably, feet can be prevented from sliding to two sides, and the fender serves as a butt stress part when the balance vehicle is controlled, so that the force application of the feet is facilitated, and the control is more flexible and convenient.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a balance car, includes the automobile body, is equipped with the drive wheel on the automobile body, its characterized in that: the vehicle body comprises a left vehicle body and a right vehicle body, the left vehicle body and the right vehicle body are connected through a rotary connecting piece (3), and a battery (5) is arranged in the rotary connecting piece (3); the left vehicle body and the right vehicle body respectively comprise an upper shell (1) and a lower shell (2), and a controller (6) connected with the battery (5) is installed on the lower shell (2).

2. The balance car of claim 1, wherein: the left end and the right end of the rotating connecting piece (3) are both sleeved with rotating supports (4), and the rotating supports (4) are fixed on a left vehicle body and a right vehicle body through fixing pieces.

3. The balance car of claim 1, wherein: the left side and the right side of the upper surface shell (1) are provided with pedal assemblies (10), and induction devices are arranged below the pedal assemblies (10).

4. A balance car as claimed in claim 3, wherein: the induction device comprises a trigger piece (11) connected with the pedal assembly and a photoelectric switch (12) connected with the controller (6), and the photoelectric switch (12) is provided with an opening matched with the trigger piece (11).

5. The balance car of claim 4, wherein: the trigger piece (11) is sleeved with a return spring (13).

6. The balance car of claim 2, wherein: at least one end of the rotating connecting piece (3) is sleeved with a lubricating bearing (7), and the lubricating bearing (7) is sleeved between the rotating bracket (4) and the rotating connecting piece (3); the lubricating bearing (7) is fixed with the rotating bracket (4) and can rotate relative to the rotating connecting piece (3).

7. The balance car of claim 6, wherein: one end of the rotating connecting piece (3) is fixedly connected with the rotating bracket (4).

8. The balance car of claim 6, wherein: a plurality of shaft grooves (8) are formed in the rotary connecting piece (3), and clamp springs (9) used for limiting are mounted on the shaft grooves (8).

9. A balance vehicle as claimed in claim 1 or 2, wherein: the controller is connected with a hub motor (14) and a lamp; the hub motor (14) comprises a motor shaft (15), and the motor shaft (15) is respectively fixed on the left side and the right side of the vehicle body through motor shaft pressing plates (16).