CN213083398U

CN213083398U - Balance car steering control structure and balance car

Info

Publication number: CN213083398U
Application number: CN202021777726.3U
Authority: CN
Inventors: 周维兵
Original assignee: Shenzhen Qingqishi Vehicle Industry Co ltd
Current assignee: Shenzhen Qingqishi Vehicle Industry Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-30
Anticipated expiration: 2030-08-21

Abstract

The utility model relates to a technical field of balance car, a balance car steering control structure is proposed, be used for driving the wheel action through setting up motor element, set up the steering drive of drive assembly in order to realize the balance car, set up and connect perpendicularly in the epaxial lever of main pivot with drive assembly fixed connection's main pivot, the drive assembly swing drives main pivot and rotates, and then drive the lever both ends and go up and down, further set up two mainboards corresponding to the tip below of lever respectively, two mainboards electric connection motor element respectively, the mainboard that the contact corresponds is passed through to the one end that the lever descends, control motor moves with the wheel that the drive corresponds. Above-mentioned scheme replaces traditional hall element through mechanical transmission assembly, has realized the steering drive of mechanical system, and mechanical transmission simple structure, the performance is more reliable and more stable, has reduced the emergence of the trouble condition such as failure that turns to, and the design of two mainboards more tends to standardization, modularization, the fault detection and the maintenance of the balance car of being convenient for.

Description

Balance car steering control structure and balance car

Technical Field

The utility model relates to a technical field of balance car, more specifically say, relate to a balance car steering control structure and balance car.

Background

The electric balance vehicle is also called a body sensing vehicle and a thinking vehicle, mainly comprises two wheels and a single wheel, the operation principle is based on dynamic stability, a gyroscope and an acceleration sensor are used for detecting the change of the posture of a vehicle body, and a servo control system is used for accurately driving a motor to act so as to keep the balance of the system. The existing steering system of the two-wheeled electric balance car is mainly a steering control system based on a Hall element, and through the matching of the Hall element and a magnet, the Hall element on a circuit board senses the change of a magnetic field and sends a signal to a main control board so as to drive the balance car to make a left or right steering action. However, when the steering control system based on the hall element is used, the hall element is prone to failure, so that the situation that the balance car is in steering failure and even unstable and falls down is caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balance car steering control structure and balance car aims at solving among the prior art balance car and often because hall element breaks down and the technical problem that turns to failure or even fall down appears.

In order to solve the technical problem, the utility model provides a balance car steering control structure for controlling turning to of double round balance car, include:

the motor assembly comprises two motors which are respectively used for correspondingly driving the wheels to act;

the driving assembly is arranged between the two wheels of the balance car and can swing to any side of the two wheels;

the transmission assembly comprises a main rotating shaft fixedly connected with the driving assembly and a lever vertically connected to the main rotating shaft, and the driving assembly swings to drive the main rotating shaft to rotate and is used for driving two ends of the lever to lift;

the control mainboard comprises two mainboards which are respectively and correspondingly arranged below the end part of the lever, the two mainboards are respectively and electrically connected with the two motors, one end of the lever which descends corresponds to the mainboard through contact, and the control motor drives the corresponding wheel to move.

Furthermore, two be provided with balanced induction components on the mainboard respectively, the lever tip descends in order to drive balanced induction components is in order to control the motor action.

Further, two mainboard below sets up respectively and is used for supporting the mainboard support of mainboard, set up a plurality of spring mounting positions on the mainboard support, set up reset spring in the spring mounting position.

Furthermore, a secondary rotating shaft is arranged in the direction perpendicular to the main rotating shaft below the main board support, and the main board support is rotatably arranged on the secondary rotating shaft.

Furthermore, the end of the lever is provided with a protruding part, the position of the main board support corresponding to the protruding part is provided with a driving block matched with the protruding part, and the end of the lever descends to drive the protruding part to press the driving block to drive the balance induction assembly.

Further, the main rotating shaft comprises two sections of coaxial shaft bodies arranged at intervals, the two sections of shaft bodies are connected through a connecting sleeve, an installation notch is formed in the connecting sleeve, and the lever is fixedly installed in the installation notch.

Further, the lever is fixed in the mounting notch by a pin.

Further, an installation support is arranged below the main rotating shaft, and the main rotating shaft is installed on the installation support through a hoop.

The utility model provides a balance car steering control structure's beneficial effect lies in: compared with the prior art, the steering control structure of the balance car is suitable for leg control or manual control steering control of a double-wheel balance car, the motor assembly is arranged for driving the wheels to move, the driving assembly is arranged for realizing steering driving of the balance car, the main rotating shaft fixedly connected with the driving assembly and the lever vertically connected to the main rotating shaft are arranged, the driving assembly swings to drive the main rotating shaft to rotate, and the main rotating shaft rotates to drive two ends of the lever to lift; and two main boards are further arranged below the end parts corresponding to the levers respectively and are electrically connected with two motors in the motor assembly respectively, and one descending end of the lever is contacted with the corresponding main board to control the motors to drive the corresponding wheels to act. Above-mentioned scheme replaces traditional hall element through setting up mechanical transmission assembly, has realized the steering action of mechanical system driving motor and then drive balance car wheel, compares in current automatically controlled mode based on hall element, mechanical transmission simple structure, and the performance is more reliable and more stable, has reduced the emergence of the fault conditions such as failure turns to.

The utility model also provides a balance car, including above-mentioned balance car steering control structure, its beneficial effect is the same with above-mentioned balance car steering control structure, no longer gives unnecessary details here.

Drawings

In order to illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings that are needed in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, and in which:

fig. 1 is an overall schematic view of a steering control structure of a balance car in an embodiment of the present invention;

FIG. 2 is a schematic view of a portion of the structure of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 2;

fig. 4 is a schematic view illustrating a connection relationship between a main shaft and a lever in the steering control structure of fig. 1.

Description of reference numerals:

1. a drive assembly; 2. a transmission assembly; 21. a main rotating shaft; 211. a connecting kit; 2111. installing a notch; 212. mounting a bracket; 213. hooping; 22. a lever; 221. a boss portion; 222. a pin hole; 3. a main board; 31. a main board support; 311. driving the block; 312. a spring mounting position; 32. a secondary rotating shaft.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The following embodiments with reference to the drawings are illustrative and intended to explain the present invention, and should not be construed as limiting the invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "inner", "outer", etc. indicate the orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly, e.g., as meaning both mechanically and electrically connected; the connection may be direct, indirect or internal, or may be a connection between two elements or an interaction relationship between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Preferred embodiments of the present invention are described below with reference to the accompanying drawings:

as shown in fig. 1, in this embodiment, a steering control structure of a balance car, which is used for controlling steering of a two-wheeled balance car, includes:

a motor assembly (not shown in the figure) comprising two motors for driving the wheels to act correspondingly;

the driving assembly 1 is arranged between the two wheels of the balance car and can swing to any side of the two wheels;

the transmission assembly 2 comprises a main rotating shaft 21 fixedly connected with the driving assembly 1 and a lever 22 vertically connected to the main rotating shaft 21, and the driving assembly 1 swings to drive the main rotating shaft 21 to rotate so as to drive two ends of the lever 22 to lift;

the control mainboard is including corresponding locating respectively two mainboard 3 of lever 22 tip below, two mainboard 3 electricity respectively connects two the motor, the one end that lever 22 descends corresponds through the contact mainboard 3, and the control motor drive corresponds the wheel action.

Specifically, in the above-described embodiment, the steering control structure of the balance car may be applied to leg-controlled steering control of the balance car, and may also be applied to manual steering control of the balance car, and the driving assembly 1 corresponds to a leg-controlled portion or a hand-controlled portion of the balance car, and is generally disposed between two wheels of the balance car. The transmission assembly 2 connected with the driving assembly 1 is a mechanical transmission assembly 2, and comprises a main rotating shaft 21 connected with the driving assembly 1 and a lever 22 vertically connected to the main rotating shaft 21. The control mainboard of balance car is including two mainboards 3 that set up alone, and two mainboards 3 are used for controlling the motor on two wheels of balance car respectively, and then the action of two wheels of control balance car. Compared with the design of one control mainboard at present, the design of two mainboards 3 tends to be more standardized, and in the balance car operation process, the design of two mainboards 3 is more favorable to the detection of trouble to confirm and the maintenance. When the balance car needs to turn during the operation, for example, when the balance car needs to turn left, a user swings left by controlling the leg control part or the hand control part, so as to drive the main rotating shaft 21 to turn left, further drive the left end of the lever 22 to incline and descend, the left end of the lever 22 inclines and descends to drive the left main board 3, the left main board 3 is driven to control the left motor to act, the left wheel rotating speed change of the balance car is further controlled, and the left turning of the balance car is realized. The structure through mechanical transmission completely replaces the existing electric control steering control mode based on the Hall element, so that the structure of the steering control system of the balance car is simpler, the performance is more stable and reliable, and meanwhile, compared with the electric control transmission mode, the mechanical transmission control mode can also reduce the power consumption and prolong the endurance time of the balance car.

Further, in an embodiment, two main boards 3 are respectively provided with a balance sensing assembly (not shown), and the end of the lever descends to drive the balance sensing assembly to control the motor to operate.

Specifically, in the above embodiment, the balance sensing assembly is a gyroscope control chip integrated on the main board 3, and the inclination of the end of the lever is decreased to drive the gyroscope control chip to record the change of the inclination angle, so as to drive the motor on the corresponding side to operate, further control the change of the rotation speed of the wheel on the corresponding side of the balance car, and realize the steering operation. The balance induction assembly is driven in a mechanical transmission mode, so that the fault is not easy to occur, and the reliability is higher.

As shown in fig. 3, a motherboard bracket 31 for supporting the motherboard 3 is respectively disposed below the two motherboards 3, a plurality of spring mounting locations 312 are disposed on the motherboard bracket 31, and a return spring (not shown) is disposed in the spring mounting locations 312.

Specifically, in the above embodiment, the main board support 31 supports the main board 3, so as to enhance the strength of the main board 3 and reduce the damage of the main board 3 during the mechanical transmission process, the main board support 31 is provided with the return spring, when the lever end is inclined and lowered to press the main board 3, the return spring is compressed, and after the corresponding steering action is completed, the return spring assists the main board 3 to return. The arrangement of the return spring and the main board bracket 31 can reduce the damage of the main board 3 in the mechanical transmission process.

As shown in fig. 3, in the present embodiment, a secondary rotation shaft 32 is disposed below the main plate bracket 31 in a direction perpendicular to the main rotation shaft 21, and the main plate bracket 31 is rotatably mounted on the secondary rotation shaft 32.

Specifically, in the above embodiment, the arrangement of the sub-rotation shaft 32 can realize the forward tilting and the backward tilting of the main plate 3, thereby being used for controlling the running in the front-rear direction of the balance car. The operation of the balance car in the front and rear direction is mainly realized by stepping on the pedal.

As shown in fig. 3, in the present embodiment, the end of the lever is provided with a protrusion 221, the main board bracket 31 is provided with a driving block 311 matching with the protrusion 221 at a position corresponding to the protrusion 221, and the end of the lever 22 descends to drive the protrusion 221 to press the driving block 311 to drive the balance sensing assembly.

Specifically, in the above embodiment, the driving of the lever 22 to the balance sensing assembly is realized through the matching of the protruding portion 221 and the driving block 311, preferably, the protruding portion 221 is cylindrical and is vertically arranged relative to the lever 22, the driving block 311 is arranged on the edge of the main board bracket 31 close to the main rotating shaft 21, a groove matched with the cylindrical protruding portion 221 is arranged on the driving block 311, and the cylindrical protruding portion 221 can be just embedded into the groove when the end of the lever 22 is inclined and lowered. The cooperation of the protruding portion 221 and the driving block 311 prevents the end of the lever 22 from directly pressing the main board 3, so that the main board 3 can be prevented from being damaged due to repeated pressing in the long-term use process, and the service life of the main board 3 can be prolonged.

As shown in fig. 3 and 4, the main rotating shaft 21 includes two sections of coaxial shaft bodies arranged at intervals, the two sections of shaft bodies are connected by a connecting sleeve 211, an installation notch 2111 is formed in the connecting sleeve 211, and the lever 22 is fixedly installed in the installation notch 2111.

Specifically, in the above embodiment, two sections of coaxial shaft bodies arranged at intervals are fastened and connected through the connection kit 211, an interval for installing the lever 22 is reserved between the end portions of the shaft bodies, the axial dimension of the installation notch 2111 along the main rotating shaft 21 matches with the interval between the end portions of the shaft bodies, and the lever 22 is fixedly installed in the installation notch 2111 and located between the end portions of the two sections of coaxial shaft bodies arranged at intervals. The connecting sleeve member 211 realizes the connection of the two separated shaft bodies and the fixation of the lever 22, so that the connection relationship of the mechanical transmission structure is compact and simple.

Preferably, in the above embodiment, the lever 22 is secured within the mounting notch 2111 by a dowel.

Specifically, the end surfaces of the lever 22 connected to the installation notch 2111 are both provided with pin holes 222, and the lever 22 is fixedly connected to the installation notch 2111 through pins arranged in the pin holes 222. The pin plays a role in fastening and limiting the lever 22 and the connecting sleeve member 211, and limits the relative rotation between the lever 22 and the main rotating shaft 21, so that the steering control is more accurate and sensitive.

As shown in fig. 2, a mounting bracket 212 is disposed below the main shaft 21, and the main shaft 21 is mounted on the mounting bracket 212 through an anchor ear 213. The setting of installing support 212 can play fixed and supported effect to main pivot 21, strengthens main pivot 21's intensity, prolongs its life, adopts staple bolt 213 to carry out fixed connection between main pivot 21 and the installing support 212, can be fixed in main pivot 21 on the installing support 212 on the one hand, and on the other hand can make main pivot 21 carry out the rotation about for the installation slot position on the installing support 212, and mounting structure is simple, and the reliability is high.

In another embodiment of the present invention, a balance car is provided, which includes the steering control structure of the above embodiment. Namely, a balance car, a swing car, and the like having the steering control structure according to the above embodiments are within the scope of the present application.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a balance car steering control structure for control double round balance car turns to, its characterized in that includes:

2. The steering control structure of the balance car according to claim 1, wherein a balance induction component is respectively arranged on the two main boards, and the end part of the lever descends to drive the balance induction components to control the action of the motor.

3. The steering control structure of the balance car according to claim 2, wherein a main plate bracket for supporting the main plate is respectively arranged below the two main plates, a plurality of spring mounting positions are arranged on the main plate bracket, and a return spring is arranged in each spring mounting position.

4. The steering control structure for the balance car according to claim 3, wherein a sub-rotation shaft is provided under the main plate bracket in a direction perpendicular to the main rotation shaft, and the main plate bracket is rotatably mounted on the sub-rotation shaft.

5. The steering control structure of the balance car according to claim 4, wherein a protrusion is provided at an end of the lever, a driving block matched with the protrusion is provided at a position of the main board bracket corresponding to the protrusion, and the end of the lever descends to drive the protrusion to press the driving block to drive the balance sensing assembly.

6. The steering control structure of the balance car according to claim 1, wherein the main rotating shaft comprises two sections of coaxial shaft bodies arranged at intervals, the two sections of shaft bodies are connected through a connecting sleeve, the connecting sleeve is provided with an installation notch, and the lever is fixedly installed in the installation notch.

7. The balance car steering control structure of claim 6, wherein the lever is secured within the mounting notch by a pin.

8. The steering control structure for the balance car according to claim 7, wherein a mounting bracket is provided below the main spindle, and the main spindle is mounted on the mounting bracket through a hoop.

9. A balance car characterized by comprising the balance car steering control structure of any one of claims 1 to 8.