TWM529643U - Two-wheeled electrical balance transporter - Google Patents

Description

Two-wheel electric balance car

The present invention relates to a self-balancing electric vehicle, and more particularly to a two-wheeled somatosensory car.

Electric balance car, also known as body car, thinking car, its operation principle is mainly based on a basic principle called "dynamic stability", using the gyroscope and acceleration sensor inside the car body to detect the car body The attitude changes, and the servo control system is used to accurately drive the motor to adjust accordingly to maintain the balance of the system. Because of its fun and popularity among young people and children, this is an emerging category.

At present, single- or double-axis balancing vehicles, when the user's foot is standing up, as long as there is a tilting force, the body itself will be sensitive and then start to move, which is not conducive to the safe use of beginners; even when the speed is too fast, it will lead to When the car body is turned over, or the driving speed is too fast, the center of gravity is unstable due to the uneven road surface, and the left foot or the right foot is slightly unbalanced. The car body itself will start to be sensitive and should be operated, which may cause wrestling and injury.

In order to solve the problems existing in the prior art, the present invention provides an electric balance car.

In order to achieve the above object, the technical solution of the present invention is: a two-wheel electric balance vehicle comprising an intermediate bracket assembly located at a middle portion, and a left support assembly and a right support assembly respectively located at two sides of the intermediate bracket assembly, wherein the left The opposite ends of the support assembly and the right support assembly are respectively provided with left and right wheels controlled by respective motors, and the intermediate bracket assembly includes a connecting body on which a first connecting portion that is rotationally coupled to the left supporting assembly through a bearing, and a second connecting portion that is rotationally coupled to the right supporting member through a bearing; wherein the connecting body is provided Separately overlapping with the left support assembly and the right support assembly, respectively, and a plurality of elastic devices disposed in the vertical direction are disposed in the overlapping region, wherein at least one elastic device is disposed at a front end position between the connection body and the right support assembly. At least one elastic device is disposed at a rear end position between the connection body and the right support assembly; at least one elastic device is disposed at a front end position between the connection body and the left support assembly, and at least one elastic device is disposed at the connection body and the left support assembly The back end position between.

Preferably, the elastic means is a resilient means known to those skilled in the art, such as springs, springs, inflatable bubbles, elastomeric rubber bodies, and the like.

Preferably, the at least two elastic means located between the connecting body and the right support assembly are a unitary reed having at least two upwardly curved projections thereon.

Preferably, at least two elastic means located between the connecting body and the left support assembly are unitary reeds provided with at least two upwardly curved projections.

Preferably, the connecting body has a horizontal plate shape, the first connecting portion includes a left vertical plate fixed to the connecting body, the left vertical plate is provided with a left fixed shaft, and the left supporting assembly includes a left sleeve rotatably coupled to the left fixed shaft; the second connecting portion includes a right vertical plate fixed to the connecting body, the right vertical plate is provided with a right fixed shaft, and the right supporting assembly includes The right fixed shaft rotates to fit the right sleeve.

Preferably, the left fixed shaft passes through the left sleeve, and the position of the left sleeve is exposed on the left fixed shaft, and a clamp for preventing the left fixed shaft from exiting is further provided; the right fixed shaft is from the right sleeve The inside of the cylinder is pierced, and the position of the right sleeve exposed on the right fixed shaft is also provided with a card for preventing the right fixed shaft from exiting. hoop.

Preferably, the bearing between the left fixed shaft and the left sleeve is provided with two, and the two bearings are distributed along the axial direction of the left fixed shaft and the left sleeve; the right fixed shaft and the right sleeve are There are two bearings arranged between the two, and the two bearings are distributed along the axial direction of the right fixed shaft and the right sleeve.

The two-wheeled electric balance car of the present invention, when there is a problem such as unstable standing or poor road conditions, for example, when the user leans backward, the left and right support components are rotated backward relative to the intermediate bracket assembly. Under the action of the elastic device at the front end, the force of the erroneous operation of the back tilting is absorbed, so as to prevent the self-induction of the balance car from being turned back and backward, and the danger is avoided.

1‧‧‧Connected subject

11‧‧‧right fixed axis

110‧‧‧left fixed shaft

12‧‧‧Reed

13‧‧‧Left pedal

14‧‧‧right pedal

15‧‧‧Lower left shell

16‧‧‧The lower right shell

1000‧‧‧Intermediate bracket assembly

1001‧‧‧First connection

1002‧‧‧Second connection

1003‧‧‧Flexible device

2‧‧‧Left vertical board

3‧‧‧right board

4‧‧‧Right support assembly

40‧‧‧right sleeve

5‧‧‧ Left support assembly

50‧‧‧Left sleeve

6‧‧‧Right round

7‧‧‧ revolver

8‧‧‧ bearing

9‧‧‧ bearing

10‧‧‧Clamps

80‧‧‧ bearing

90‧‧‧ bearing

100‧‧‧Clamps

17‧‧‧ Spring

FIG. 1 shows a schematic structural view of the present electric balance car.

FIG. 2 is a schematic view showing the internal structure of the present electric balance car.

Figure 3 shows the exploded view of Figure 2.

Fig. 4 shows a partial structural view of Fig. 2.

FIG. 5 is a schematic view showing the internal structure of another embodiment of the present electric balance car.

Figure 6 shows the exploded view of Figure 5.

In order to make the technical problems solved by the present creation, the technical solutions adopted, and the technical effects obtained are easy to understand, the specific implementation manner of the present creation is further described below with reference to specific drawings.

Referring to Figures 1, 2, 3 and 4, the present application provides a two-wheeled electric balance vehicle comprising an intermediate bracket assembly 1000 in the middle, and a left support assembly 5, right on both sides of the intermediate bracket assembly 1000. The support assembly 4 further includes a left lower casing 15 and a lower lower casing 16 disposed under the left support assembly 5 and the right support assembly 4, and a left support assembly 5 and a right support. The left pedal 13 and the right pedal 14 above the support assembly 4.

Wherein, the opposite ends of the left support assembly 5 and the right support assembly 4 are respectively provided with a left wheel 7 and a right wheel 6 controlled by respective motors, that is, the rotational connection of the left support assembly 5 at one end thereof is controlled by The left wheel 7 of the motor, the one end of the right support assembly 4 at its outer side, is rotationally coupled to the right wheel 6 of the motor.

The intermediate bracket assembly 1000 includes a connecting body 1 on which a first connecting portion 1001 is rotatably coupled to the left support assembly 5 via bearings 80, 90, and a right support assembly 4 is passed through the bearing 8. , 9 rotates the second connecting portion 1002 connected together. In a specific embodiment of the present invention, the connecting body 1 has a horizontal plate shape, and the first connecting portion 1001 includes a left vertical plate 2 fixed under the connecting body 1, and the left vertical plate 2 is provided with a left side. a fixed shaft 110, the left support assembly 5 includes a left sleeve 50 for rotationally mating with the left fixed shaft 110; the second connecting portion 1002 includes a right vertical plate 3 fixed under the connecting body 1, The right vertical plate 3 is provided with a right fixed shaft 11 which includes a right sleeve 40 for rotational fit with the right fixed shaft 11.

Referring to Figure 3, at the time of assembly, the right fixed shaft 11 on the right vertical plate 3 projects into the right sleeve 40 of the right support assembly 4, which are rotationally fitted together by bearings 8, 9. In a preferred embodiment of the present invention, two bearings 8, 9 are provided between the right fixed shaft 11 and the right sleeve 40, and the two bearings 8, 9 are along the axis of the right fixed shaft 11 and the right sleeve 40. Distribution. For example, the two bearings 8, 9 are respectively distributed at the two ends of the right sleeve 40, and the right fixed shaft 11 is interference fit with the inner rings of the two bearings 8, 9, the right sleeve 40 and the two bearings 8, 9 The outer rings are interference fit together to achieve a rotational connection of the right support assembly 4 to the intermediate bracket assembly 1000.

Based on the same principle, the left fixed shaft 110 on the left vertical plate 2 projects into the left sleeve 50 of the left support assembly 5, which are rotatably fitted by bearings 80, 90. In a preferred embodiment of the present invention, two bearings 80, 90 are disposed between the left fixed shaft 110 and the left sleeve 50, and the two The bearings 80, 90 are distributed along the axial direction of the left fixed shaft 110 and the left sleeve 50. For example, the two bearings 80, 90 are respectively distributed at the two ends of the left sleeve 50, and the left fixed shaft 110 is interference fit with the inner rings of the two bearings 80, 90, and the left sleeve 50 and the two bearings 80, 90 The outer rings are interference fit together to achieve a rotational connection of the left support assembly 5 with the intermediate bracket assembly 1000.

In a preferred embodiment of the present invention, the right fixed shaft 11 is pierced from the right sleeve 40, and the position of the right sleeve 40 exposed on the right fixed shaft 11 is further provided to prevent the right fixed shaft 11 from being withdrawn. The clip 10 can, for example, be provided with a ring of annular grooves on the right fixed shaft 11 so that the clip 10 can be caught therein. For the same reason, the left fixed shaft 110 passes through the left sleeve 50, and the position where the left sleeve 50 is exposed on the left fixed shaft 110 is also provided with a clamp 100 that prevents the left fixed shaft 110 from being withdrawn.

In the above embodiment, the left and right sleeves 50, 40 are disposed on the left and right support members 5, 4, and the left and right sleeves 50, 40 are disposed on the intermediate bracket assembly 1000, of course, for those skilled in the art. It can be easily imagined that the left and right sleeves 50, 40 are disposed on the intermediate bracket assembly 1000, and the left and right sleeves 50, 40 are disposed on the left and right support members 5, 4, as well as to achieve left, The right support assembly 5, 4 is in rotational connection with the intermediate bracket assembly 1000.

The electric balance car of the present invention is provided with an intermediate bracket assembly 1000 at the middle, and the left and right support assemblies 5, 4 are respectively rotatably connected to both sides of the intermediate bracket assembly 1000, and the structure can greatly disperse the rotational connection position of the balance vehicle. The pressure in the non-rotation direction ensures the coaxiality of the connection position; at the same time, the left and right support assemblies 5, 4 are respectively reduced between the two bearings 8, 9, 80, 90 and the intermediate bracket assembly 1000, respectively. The friction of the rotating joint position increases the service life and increases the flexibility of the electric balance vehicle.

In the electric balance car of the present invention, the connecting body 1 partially overlaps with the left support assembly 5 and the right support assembly 4, respectively. For example, a part of the structure of the left support assembly 5 extends below the connecting body 1, and the two are parallel to each other. Arrangement. A plurality of elastic devices 1003 in the vertical direction are also disposed in the overlapping region, wherein at least one elastic device 1003 is disposed at a front end position between the connecting body 1 and the right support assembly 4, and at least one elastic device 1003 is disposed at the connection. a rear end position between the main body 1 and the right support assembly 4; at least one elastic device 1003 is disposed at a front end position between the connection main body 1 and the left support assembly 5, and at least one elastic device 1003 is disposed at the connection main body 1 and the left support assembly 5 The position between the back end.

In a preferred embodiment of the present invention, the elastic device 1003 is a resilient device known to those skilled in the art such as a spring, a spring, an inflatable bubble, an elastic rubber body, and the like. In a specific embodiment of the present invention, at least two elastic devices 1003 located between the connecting body 1 and the right support assembly 4 are a unitary structure of the reed 12, with reference to FIGS. 3 and 4. The reed 12 is provided with at least two upwardly curved projections as deformations of the elastic means 1003. At the time of installation, the reed 12 can be fixed to the right support assembly 4, and the two curved protrusions of the reed 12 are respectively matched with the front end and the rear end of the connecting body 1; of course, the reed 12 can also be It is fixed on the connecting body 1 and its two curved protrusions are respectively engaged with the front end and the rear end of the right supporting assembly 4.

For the same reason, at least two elastic means 1003 between the connecting body 1 and the left support assembly 5 are a reed 12 of a unitary structure, with reference to FIG. The reed 12 is provided with at least two upwardly curved projections as deformations of the elastic means 1003. At the time of installation, the reed 12 can be fixed on the left support assembly 5, and the two curved protrusions of the reed 12 are respectively matched with the front end and the rear end of the connecting body 1; of course, the reed 12 can also be It is fixed on the connecting body 1 and its two curved protrusions are respectively engaged with the front end and the rear end of the left supporting assembly 5.

When problems such as unstable standing or poor road conditions occur, for example, when the user leans back, the left and right support members 5, 4 are rotated backward relative to the intermediate bracket assembly 1000, at this time, at the front end of the elastic device 1003. Under the action, the force of the back-dip misoperation will be absorbed to prevent the flat The self-sensing of the balance car opens and tilts to avoid the danger.

When the user steps on the left and right support members 5, 4 of the balance car, a force is generated, which is relieved by the action of the elastic device 1003, and the elastic device needs to be overcome after the user stands stably. The elastic strength of the 1003 will tilt the car body to start sensing. At the same time, the addition of the elastic device 1003 can also alleviate the problem of uneven strength of the left and right feet after the person stands up due to the unsteady control of the unevenness, effectively alleviating the misoperation or unstable standing, uneven force, poor road conditions, etc. Mis-reaction problems reduce the risk.

In another specific embodiment of the present invention, referring to FIG. 5 and FIG. 6, the elastic device is respectively installed between the connecting body 1 and the right supporting assembly 4 and the left supporting assembly 5 in the manner of a spring 17, in order to mount the spring 17, A groove for accommodating the spring 17 or a boss for engaging the spring 17 and the like may be provided, which are common knowledge of those skilled in the art and will not be specifically described herein.

This creation has been described in detail by the preferred embodiments. However, variations and additions to the various embodiments will be apparent to those of ordinary skill in the art. It is the Applicant's intention that all such changes and additions fall within the scope of the present invention.

1‧‧‧Connected subject

11‧‧‧right fixed axis

110‧‧‧left fixed shaft

12‧‧‧Reed

1000‧‧‧Intermediate bracket assembly

1001‧‧‧First connection

1002‧‧‧Second connection

1003‧‧‧Flexible device

2‧‧‧Left vertical board

3‧‧‧right board

4‧‧‧Right support assembly

40‧‧‧right sleeve

5‧‧‧ Left support assembly

50‧‧‧Left sleeve

6‧‧‧Right round

7‧‧‧ revolver

8‧‧‧ bearing

9‧‧‧ bearing

10‧‧‧Clamps

80‧‧‧ bearing

90‧‧‧ bearing

100‧‧‧Clamps

Claims (7)

A two-wheeled electric balance vehicle includes an intermediate bracket assembly located at a middle portion, and a left support assembly and a right support assembly respectively located at two sides of the intermediate bracket assembly, wherein opposite ends of the left support assembly and the right support assembly are respectively disposed Controlled by the left and right wheels of the respective motors, the intermediate bracket assembly includes a connecting body on which the first connecting portion is rotatably coupled to the left supporting assembly through the bearing, and the right supporting member is passed a second connecting portion that is rotatably connected to the bearing; wherein the connecting body partially overlaps the left supporting component and the right supporting component respectively, and a plurality of elastic devices in a vertical direction are further disposed in the overlapping region, wherein at least An elastic device is disposed at a front end position between the connecting body and the right support assembly, at least one elastic device is disposed at a rear end position between the connecting body and the right support assembly; at least one elastic device is disposed between the connecting body and the left support assembly The front end position, at least one elastic device is disposed between the connecting body and the left support component The rear end position. The two-wheel electric balance car according to claim 1, wherein the elastic device is a spring or an elastic rubber body. The two-wheeled electric balance car according to claim 1, wherein at least two elastic devices located between the connecting body and the right supporting assembly are integral structural reeds, and the reed is provided with at least two upwards. Curved bulge. The two-wheel electric balance car according to claim 1, wherein at least two elastic devices located between the connecting body and the left support assembly are integral structural reeds, and the reed is provided with at least two upwards Curved bulge. For example, the two-wheeled electric balance car described in claim 1 of the patent scope, wherein The connecting body has a horizontal plate shape, the first connecting portion includes a left vertical plate fixed to the connecting body, the left vertical plate is provided with a left fixed shaft, and the left supporting assembly includes a rotation fit for the left fixed shaft a left sleeve together; the second connection portion includes a right vertical plate fixed to the connection body, the right vertical plate is provided with a right fixed shaft, and the right support assembly includes a rotation fit for the right fixed shaft The right sleeve together. The two-wheeled electric balance car according to claim 5, wherein the left fixed shaft passes through the left sleeve, and the left sleeve is exposed on the left fixed shaft to prevent the left fixed shaft from exiting. The right fixed shaft passes through the right sleeve, and the position of the right fixed sleeve on the right fixed shaft is also provided with a clamp for preventing the right fixed shaft from exiting. The two-wheel electric balance car according to claim 5, wherein the bearing between the left fixed shaft and the left sleeve is provided with two, and the two bearings are along the axial direction of the left fixed shaft and the left sleeve. Distribution; two bearings are disposed between the right fixed shaft and the right sleeve, and the two bearings are distributed along the axial direction of the right fixed shaft and the right sleeve.