CN213534967U

CN213534967U - Balance car steering detection mechanism and balance car

Info

Publication number: CN213534967U
Application number: CN202022130175.8U
Authority: CN
Inventors: 臧传美
Original assignee: Zhejiang Aerlang Technology Co Ltd
Current assignee: Zhejiang Aerlang Technology Co Ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-06-25
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to a balance car turns to detection mechanism and balance car, this balance car turns to detection mechanism and includes: the steering shaft is arranged on the fixed table; the potentiometer comprises a potentiometer body and a rotating shaft, wherein one end of the rotating shaft rotates relative to the potentiometer body, and the other end of the rotating shaft is fixedly connected to the end part, far away from the control rod, of the steering shaft; and the control board is electrically connected with the potentiometer, receives a signal output by the potentiometer in the steering process of the rotating shaft and controls the wheels to rotate according to the signal. The technical scheme of the utility model be through set up the potentiometre on the steering spindle, the potentiometre can accurate detection the gesture of steering spindle changes and sends this change to the control panel, the control panel receives this change and controls the wheel rotation.

Description

Balance car steering detection mechanism and balance car

Technical Field

The utility model relates to a balance car field especially relates to a balance car turns to detection mechanism and balance car.

Background

With the rapid development of the balance car technology and the increasing improvement of the living standard of people, more and more users select the balance car as a travel tool. In the field of balance cars with levers, the operator controls the control lever to steer the balance car.

The current balance car with the rod for the convenience of detecting the rotation gesture of steering shaft, the end fixing at the steering shaft is provided with steering magnet, and the centre that turns to magnet stretches into there is hall sensing, and the pivot can drive steering magnet and rotate together at the rotation in-process, and hall sensor detects the change in magnetic field, gives the control panel with this signal transmission, and the control panel is controlled the wheel rotational speed according to this signal, and then realizes turning to of balance car. The hall sensor needs to indirectly detect the change of the magnetic field to obtain the change of the steering attitude, and therefore, the detection result may have an error.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a balance car turns to detection mechanism, balance car turns to detection mechanism and has characteristics such as the change of accurate detection steering spindle gesture, has better suitability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a balance car steering detection mechanism includes: the steering shaft is arranged on the fixed table; the potentiometer comprises a potentiometer body and a rotating shaft, wherein one end of the rotating shaft rotates relative to the potentiometer body, and the other end of the rotating shaft is fixedly connected to the end part, far away from the control rod, of the steering shaft; and the control board is electrically connected with the potentiometer, receives a signal output by the potentiometer in the steering process of the rotating shaft and controls the wheels to rotate according to the signal.

Preferably, the end part of the steering shaft far away from the control rod is provided with a mounting hole, and the rotating shaft is inserted in the mounting hole.

Preferably, the balance car steering detection mechanism further comprises a fastener arranged on the end part of the steering shaft far away from the control rod, and the fastener is inserted into the steering shaft along the direction vertical or approximately vertical to the axis of the steering shaft and is abutted against the rotating shaft.

Preferably, an abutting surface arranged along the axial direction of the rotating shaft is formed on the rotating shaft, a contact surface arranged in cooperation with the abutting surface is formed on the inner wall of the mounting hole, and the fastening piece penetrates through the contact surface and abuts against the abutting surface.

Preferably, the potentiometer further comprises a pin arranged on the potentiometer body and a lead wire with one end connected with the pin, and the other end of the lead wire is connected with the control board.

Preferably, the potentiometer further comprises a fixing piece arranged on the potentiometer body, one end of the fixing piece is arranged on the potentiometer body, and the other end of the fixing piece is arranged on the fixing table.

Preferably, the fixing pieces are arranged in two directions and symmetrically arranged on two axial sides of the potentiometer body, through holes are formed in one end, close to the fixing table, of each fixing piece, and bolts penetrate through the through holes so that the fixing pieces can be detachably connected to the fixing table.

The utility model also provides a balance car, this balance car includes balance car turn to detection mechanism.

Preferably, the balance car further comprises a shell and a fixed platform arranged on the inner surface of the shell, the steering shaft of the steering mechanism of the balance car is arranged on the fixed platform, and the control panel is arranged on the inner surface of the shell.

Preferably, the balance car further comprises a first fixed cover and a second fixed cover which are arranged on the fixed table, the second fixed cover is covered on the first fixed cover, and the steering shaft is arranged between the first fixed cover and the second fixed cover in a penetrating manner.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the steering detection mechanism of the balance car, the potentiometer is arranged on the steering shaft, the potentiometer can accurately detect the posture change of the steering shaft and transmit the change to the control board, and the control board receives the change and controls the wheels to rotate.

Drawings

Fig. 1 is the embodiment of the utility model provides a balance car turns to detection mechanism's schematic diagram.

Fig. 2 is an exploded view of a steering detection mechanism according to an embodiment of the present invention.

Fig. 3 is an exploded view of a steering shaft and a potentiometer according to an embodiment of the present invention.

Fig. 4 is a schematic view of a steering shaft according to an embodiment of the present invention.

1. A housing; 2. a fixed table; 31. a first fixed cover; 311. mounting grooves; 32. a second stationary cover; 4. an elastic member; 5. a steering shaft; 51. mounting holes; 511. a contact surface; 52. a fastening surface; 53. a fastener; 6. a potentiometer; 61. a potentiometer body; 62. a rotating shaft; 621. an abutting surface; 63. a fixing member; 631. mounting a through hole; 64. a pin; 65. a lead wire; 7. a control panel; 81. a first sleeve; 82. a second sleeve.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1-4, an embodiment of the present invention provides a steering detection mechanism for a balance car, including: steering shaft 5, potentiometer 6 and control board 7. The steering shaft 5 is arranged on the fixed table 2; the potentiometer 6 comprises a potentiometer body 61 and a rotating shaft 62, one end of the rotating shaft 62 is opposite to the potentiometer body 61, the other end of the rotating shaft 62 is fixedly connected to the end part, far away from the control rod, of the steering shaft 5, the fixing mode can be threaded and fixed in a detachable mode, welding, gluing and the like can also be fixed in an undetachable mode, and the fixing can be achieved between the rotating shaft 62 and the steering shaft 5. The control board 7 is electrically connected with the potentiometer 6, and the control board 7 receives a signal output by the potentiometer 6 in the steering process of the rotating shaft 62 and controls the wheels to rotate according to the signal.

In one embodiment, by providing the potentiometer 6 on the steering shaft 5, the potentiometer 6 can accurately detect the change in the attitude of the steering shaft 5 and transmit the change to the control board 7, and the control board 7 receives the change and controls the rotation of the wheels.

In a preferred embodiment, the steering shaft 5 is cylindrical, an end portion of the steering shaft close to the control rod extends out of the first fixing cover 31, the end portion close to the control rod is used for connecting the control rod, an end portion of the steering shaft far away from the control rod extends out of the first fixing cover 31 or is flush with a side surface of the first fixing cover 31 far away from the control rod, an installation hole 51 is formed in the end portion far away from the control rod, a contact surface 511 is formed on an inner wall of the installation hole 51, and the contact surface 511 is arranged along an axial direction of the installation hole 51. The end of the steering shaft 5 away from the control rod is further provided with a fastening surface 52, the fastening surface 52 is further provided with a fastening member 53, and the fastening member 53 passes through the fastening surface 52 and is inserted into the steering shaft 5 along a direction perpendicular or approximately perpendicular to the axial direction of the steering shaft 5.

In a preferred embodiment, the potentiometer 6 comprises a potentiometer body 61 and a rotating shaft 62, one end of the rotating shaft 62 extends into the potentiometer body 61 and rotates relative to the potentiometer body 61, and the other end of the rotating shaft 62 is inserted into the mounting hole 51 and rotates together with the steering shaft 5. In order to fix the rotating shaft 62 in the mounting hole 51 more stably, an abutting surface 621 is further formed at one end of the rotating shaft 62 inserted into the mounting hole 51, the abutting surface 621 is disposed in cooperation with the contact surface 511, and the fastening member 53 abuts against the abutting surface 621.

More preferably, a fixing hole may be further formed at a portion of the rotation shaft 62 inserted into the mounting hole 51, and further preferably, the fixing hole may be formed on the abutting surface 621. The fastening member 53 is inserted through the steering shaft 5 in a direction perpendicular or substantially perpendicular to the axial line of the steering shaft 5 and into the fixing hole, so that the rotating shaft 62 is fixed in the mounting hole 51. The number of the fixing holes and the fasteners 53 may be one or more.

Of course, in other embodiments, the fastening surface 52 may not be provided, and the fastening member 53 directly abuts against the abutting surface 621; the abutting surface 621 and the contact surface 511 may not be provided in addition to the fastening surface 52, and the fastening member 53 directly abuts on the rotating shaft 62; alternatively, the contact surface 511, the contact surface 621, the fastening surface 52, and the fastening member 53 may not be provided, and the rotating shaft 62 may be directly inserted into the mounting hole 51.

In a preferred embodiment, the control board 7 is fixed to the inner surface of the housing 1 by a fastener, and the control board 7 is provided with a connection portion to which a lead wire 65 is connected.

In a preferred embodiment, the potentiometer 6 further includes a plurality of pins 64 disposed on the potentiometer body 61 and the lead wires 65 having one end connected to the pins 64, the pins 64 are distributed on the potentiometer body 61 at intervals, each pin 64 is connected to the lead wire 65, and the other end of the lead wire 65 is connected to the control board 7. When the steering shaft 5 rotates, the rotating shaft 62 is driven to rotate together, the rotating shaft 62 rotates relative to the potentiometer body 61, so that the resistance inside the potentiometer body 61 changes, the current or the voltage output by the potentiometer body 61 and received by the control panel 7 also changes, and the control panel 7 processes and analyzes the change of the posture of the steering shaft 5 according to the change of the received current or voltage, so that the rotation of wheels is controlled.

More preferably, when the rotating shaft 62 rotates relative to the potentiometer body 61, the resistance inside the potentiometer body 61 changes, and then the output current or voltage also changes, the current or voltage changes with high precision, and immediately changes along with the resistance change, and the time delay is small, so that the control board 7 can precisely control the rotation of the wheels.

The potentiometer 6 further comprises fixing pieces 63 arranged on the potentiometer body 61, and the number of the fixing pieces 63 is two, and the fixing pieces are symmetrically arranged on two axial sides of the potentiometer body 61. One end of the fixing member 63 is connected to the potentiometer body 61, and the other end thereof is provided with an installation through hole 631. The first fixing cover 31 is close to the end part of the potentiometer 6, a mounting groove 311 is formed on the mounting groove 311, a through hole corresponding to the mounting through hole 631 is formed in the mounting groove 311, one end of the fixing member 63 provided with the mounting through hole 631 is mounted in the mounting groove 311, and the second fixing cover 32 is covered on the fixing member 63, so that the fixing member 63 is stably fixed between the first fixing cover 31 and the second fixing cover 32. Since the other end of the fixing member 63 is fixedly connected to the potentiometer main body 61, the potentiometer main body 61 is fixed to the first fixing cover 31. One end of the rotating shaft 62 is fixed on the steering shaft 5, and the other end is inserted into the potentiometer body 61 and can rotate relatively. When the steering shaft 5 rotates, the rotating shaft 62 is driven to rotate, and the rotating shaft 62 can rotate relative to the potentiometer body 61.

Of course, in other embodiments, the number and the arrangement position of the fixing members 63 are not limited to the above, the number of the fixing members 63 may be three, the mounting grooves 311 may be provided on the second fixing cover 32 or the fixing table 2, and then the end of the fixing member 63 provided with the mounting through hole 631 may be provided on the second fixing cover 32 or the fixing table 2; alternatively, one end of the fixing member 63, which is away from the potentiometer main body 61, is provided on the housing 1.

In a preferred embodiment, a fixing table 2 is disposed on the inner surface of the casing 1, the fixing table 2 is rectangular, a groove for placing the first fixing cover 31 is disposed on a side surface far away from the casing 1, through holes are further disposed on four corners of the side surface, and nuts are further disposed at bottoms of the through holes. The first fixed lid 31 upper cover is equipped with the fixed lid 32 of second, first fixed lid 31 with all be equipped with the through-hole on the four corners of the fixed lid 32 of second, the bolt passes the through-hole installation through-hole 631 reaches the nut will first fixed lid 31 the mounting 63 reaches the fixed lid 32 of second can dismantle connect in on the fixed station 2.

Of course, in other embodiments, the housing 1 may be an upper housing of the balance car, and may also be a lower housing of the balance car.

Wherein, first fixed lid 31 reaches all be equipped with mounting groove on the fixed lid 32 side of mutually supporting of second, first fixed lid 31 reaches behind the fixed lid 32 lock of second mounting groove can hold the middle part of steering spindle 5, the middle part of steering spindle 5 set up in the mounting groove, and relative rotation in the mounting groove.

In a preferred embodiment, a first sleeve 81 and a second sleeve 82 are further sleeved on a middle portion of the steering shaft 5, the first sleeve 81 and the second sleeve 82 are clamped between the first fixed cover 31 and the second fixed cover 32, and the steering shaft 5 rotates relative to the first sleeve 81 and the second sleeve 82.

In order to enable the steering shaft 5 to accurately reset after steering, an elastic piece 4 is further arranged between the first fixing cover 31 and the second fixing cover 32, the elastic piece 4 is long, and the length direction of the elastic piece 4 is perpendicular to or close to perpendicular to the axial direction of the steering shaft 5. The first fixing cover 31 is provided with a corresponding elastic member accommodating cavity, and the elastic member 4 is arranged in the elastic member accommodating cavity. The elastic component holds the intracavity and still fixedly is equipped with the stopper, the stopper is located elastic component 4 with the elastic component holds between the chamber. One side that 5 middle parts of steering spindle are close to first fixed lid 31 is equipped with the plane, should the plane with elastic component 4 butt, when steering spindle 5 rotates left or right, should the plane extrusion elastic component 4 just lets elastic component 4 takes place deformation, elastic component 4 take place after certain deformation with the stopper butt will not continue deformation again, and after the deformation elastic component 4 can produce the messenger steering spindle 5 elasticity that resets to this makes steering spindle 5 can accurate the resetting.

Of course, in other embodiments, the shape and the installation position of the elastic member 4 are not limited to the above, and the elastic member 4 may be square, and may be installed on the second fixing cover 32, or vertically pass through the middle portion of the steering shaft 5, and be located between the first fixing cover 31 and the second fixing cover 32.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. The utility model provides a balance car turns to detection mechanism which characterized in that includes:

a steering shaft (5) arranged on the fixed table (2);

the potentiometer (6) comprises a potentiometer body (61) and a rotating shaft (62), one end of the rotating shaft (62) rotates relative to the potentiometer body (61), and the other end of the rotating shaft (62) is fixedly connected to the end part, far away from the control rod, of the steering shaft (5);

and the control board (7) is electrically connected with the potentiometer (6), and the control board (7) receives a signal output by the potentiometer (6) in the steering process of the rotating shaft (62) and controls the wheels to rotate according to the signal.

2. The steering detection mechanism for the balance car according to claim 1, wherein the end of the steering shaft (5) far away from the control rod is provided with a mounting hole (51), and the rotating shaft (62) is inserted in the mounting hole (51).

3. The steering sensing mechanism for the balance car according to claim 2, further comprising a fastening member (53) provided on an end of the steering shaft (5) remote from the lever, wherein the fastening member (53) is inserted into the steering shaft (5) in a direction perpendicular or substantially perpendicular to the axis of the steering shaft (5) and abuts against the rotating shaft (62) or is inserted into the rotating shaft (62).

4. The steering detection mechanism for the balance car according to claim 3, wherein the rotation shaft (62) is formed with an abutting surface (621) along an axial direction thereof, the inner wall of the mounting hole (51) is formed with a contact surface (511) disposed to be engaged with the abutting surface (621), and the fastening member (53) passes through the contact surface (511) and abuts against the abutting surface (621).

5. The steering detection mechanism for the balance car according to claim 1, wherein the potentiometer (6) further comprises a pin (64) provided on the potentiometer body (61), and a lead (65) having one end connected to the pin (64), and the other end of the lead (65) is connected to the control board (7).

6. The steering sensing mechanism for the balance car according to claim 5, wherein the potentiometer (6) further comprises a fixing member (63) disposed on the potentiometer body (61), and one end of the fixing member (63) is disposed on the potentiometer body (61) and the other end is disposed on the fixed table (2).

7. The steering detection mechanism for the balance car according to claim 6, wherein the number of the fixing members (63) is two, the two fixing members are symmetrically arranged at two axial sides of the potentiometer body (61), one end of each fixing member (63) close to the fixing table (2) is provided with a through hole (631), and a bolt penetrates through the through holes (631) to enable the fixing member (63) to be detachably connected to the fixing table (2).

8. A balance car characterized by comprising the balance car steering detection mechanism of any one of claims 1 to 7.

9. The balance car of claim 8, further comprising a housing (1) and a fixed stand (2) provided on an inner surface of the housing (1), wherein the steering shaft (5) of the steering mechanism of the balance car is provided on the fixed stand (2), and the control board (7) is provided on the inner surface of the housing (1).

10. The balance car of claim 9, further comprising a first fixing cover (31) and a second fixing cover (32) disposed on the fixing table (2), wherein the second fixing cover (32) is covered on the first fixing cover (31), and the steering shaft (5) is disposed between the first fixing cover (31) and the second fixing cover (32).