WO2018032396A1

WO2018032396A1 - Electric balancing vehicle

Info

Publication number: WO2018032396A1
Application number: PCT/CN2016/095650
Authority: WO
Inventors: 尚艳燕
Original assignee: 尚艳燕
Priority date: 2016-08-17
Filing date: 2016-08-17
Publication date: 2018-02-22

Abstract

An electric balancing vehicle: comprising a left-side vehicle body (1), a right-side vehicle body (3), and a middle chassis (2) connecting the left-side vehicle body (1) and the right-side vehicle body (3). The middle chassis (2) is provided with a support leg (21) capable of extending or retracting in the upward/downward direction. The maximum extended length of the support leg (21) is equivalent to the height of the wheels of the electric balancing vehicle. The support leg can increase the stability of the balancing vehicle when parked.

Description

Electric balance car

[Technical Field]

The present invention relates to a walking tool, and more particularly to an electric balancing vehicle.

【Background technique】

Most of the existing balance cars are personal mobility tools with two wheels arranged side to side. Due to the balance control system, only two wheels can maintain balance.

However, the current balance car has only two wheels. Although it is more flexible and convenient to ride, it is more troublesome when parking. It is necessary to find a fixed object that can be abutted, such as a wall, to increase the stability of the parking state. inconvenient.

It should be noted that the above description of the technical background is only for the purpose of facilitating a clear and complete description of the technical solutions of the present application, and is convenient for understanding by those skilled in the art. The above technical solutions are not considered to be well known to those skilled in the art simply because these aspects are set forth in the background section of this application.

[Summary of the Invention]

In view of the above-described deficiencies of the prior art, the technical problem to be solved by the present invention is to provide an electric balance vehicle capable of improving the stability of the balance vehicle during parking.

To achieve the above object, the present invention provides an electric balance vehicle comprising a left side body, a right side body, and an intermediate case connecting the left side body and the right side body;

The intermediate case is provided with a support leg that can expand and contract in the up and down direction, and the maximum telescopic length of the support leg is equivalent to the height of the wheel of the electric balance car.

The invention has the beneficial effects that: the present invention is provided with an intermediate box body, and the intermediate box body is provided with a supporting leg. When necessary, the supporting foot can extend to fit the two wheels to form a vehicle body, thereby facilitating the parking of the balance vehicle; In addition, due to the arrangement of the intermediate box, since the intermediate box is disposed in the middle, and many objects can be disposed in the middle box, the intermediate box becomes the center of gravity of the entire balance car, reducing the user's use of the flat When the car is being emptied, the situation of unstable center of gravity occurs.

Specific embodiments of the present application are disclosed in detail with reference to the following description and accompanying drawings, in which <RTIgt; It should be understood that the embodiments of the present application are not limited in scope. The embodiments of the present application include many variations, modifications, and equivalents within the scope of the appended claims.

Features described and/or illustrated with respect to one embodiment may be used in one or more other embodiments in the same or similar manner, in combination with, or in place of, features in other embodiments. .

It should be emphasized that the term "comprising" or "comprises" or "comprising" or "comprising" or "comprising" or "comprising" or "comprises"

[Description of the Drawings]

The drawings are included to provide a further understanding of the embodiments of the present application, and are intended to illustrate the embodiments of the present application Obviously, the drawings in the following description are only some of the embodiments of the present application, and those skilled in the art can obtain other drawings according to the drawings without any inventive labor. In the drawing:

Figure 1 is a schematic view of an electric balance car of the present invention;

2 is a partial exploded view of an intermediate case of an electric balance vehicle of the present invention.

【detailed description】

The technical solutions in the embodiments of the present application are clearly and completely described in the following, in which the technical solutions in the embodiments of the present application are clearly and completely described. The embodiments are only a part of the embodiments of the present application, and not all of them. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope should fall within the scope of the present application.

1 is a schematic view of an electric balance car of the present invention, and FIG. 2 is a partial exploded view of an intermediate case of an electric balance car according to the present invention. Referring to FIG. 1 and FIG. 2, the present invention discloses an electric balance car including a left. a side body 1, a right side body 3 and an intermediate box 2 connecting the left side body and the right side body;

The intermediate case 2 is provided with a support leg 21 that can be expanded and contracted in the up and down direction, and the maximum telescopic length of the support leg 21 is equivalent to the height of the wheel of the electric balance vehicle.

The invention has the beneficial effects that: the present invention is provided with an intermediate box body, and the intermediate box body is provided with a supporting leg. When necessary, the supporting foot can extend to fit the two wheels to form a vehicle body, thereby facilitating the parking of the balance vehicle; In addition, due to the arrangement of the intermediate box, since the intermediate box is disposed in the middle, and many objects can be disposed in the middle box, the intermediate box becomes the center of gravity of the entire balance car, reducing the user's center of gravity when using the balance car. The situation happened.

Preferably, the intermediate case 2 is further provided with a power pack (not shown) for powering the electric balance vehicle, and a power structure 22 that cooperates with the support leg 21 through the transmission gear 23;

Power structure 22 is powered by a power pack. The power pack is the main weight of the balance car. The power pack is set in the middle box, which is beneficial to balance the balance of the center of gravity of the car. The setting of the power structure matched with the support foot makes the support foot need no manual operation and expansion, and the support is improved. The support leg is convenient to operate; at the same time, the power structure is powered by the power pack, so that the power pack can be fully utilized.

Preferably, the power structure 22 includes a motor unit 25, and the motor unit 25 is fixed to the inner upper surface of the intermediate box by a fixing member 26;

The motor unit 25 is coupled to the transmission gear 23 via a rotating shaft 26, and the supporting leg 21 includes a rectangular body 24. The side of the rectangular body 24 that cooperates with the transmission gear 23 is provided with a transmission turbine 201. When the transmission gear 23 rotates, the rectangular body is controlled by the transmission turbine 201. 24 moves up or down. When the balance car needs to be parked, the motor group controls the transmission gear to rotate through the rotating shaft, and then drives the transmission turbine to move downward, and the rectangular body moves downward to the preset position, without manually pulling out the supporting foot, and the operation is convenient for the user.

Preferably, the power structure 22 has two groups, between the two sets of power structures 22 is provided with a circuit board 27 for controlling the power structure, the intermediate box is provided with a button 28 coupled to the circuit board coupling;

When the button 28 receives the press, the power structure 22 controls the support foot 21 to move up or down. The The button can be set on the upper surface or the upper side of the middle case, which is convenient for the user to press by hand or foot; the circuit board is used to set the operation logic of the support leg and related components, and of course, if necessary, it can also be used for other applicable parts. control.

Preferably, in the embodiment, the supporting legs 21 are provided with at least two groups, one for each group, and two sets of supporting legs are respectively disposed at positions near the front and rear sides of the intermediate box. The two sets of support feet cooperate with the wheels to ensure the stability of the entire balance car parking. When the two support points or the three support points are fixed, the balance car has one side that is not stable enough, and the problem of front or rear rollover is easy to occur.

Preferably, in this embodiment, the support legs 21 have two groups of two, each of which is evenly disposed at a position near the front and rear sides of the intermediate case. The two sets of support feet cooperate with the wheels to ensure the stability of the entire balance car parking. When the two support points or the three support points are fixed, the balance car has one side that is not stable enough, and the problem of front or rear rollover is easy to occur.

Preferably, the intermediate case is further provided with a power structure 22 connected to the support leg 21 via a transmission gear 23. The power structure 22 includes a motor unit 25, and the motor unit 25 is connected to the front and rear sides of the intermediate case through the rotating shaft 26, respectively. Transmission gear 23;

The support leg includes a rectangular body 24, and the side of the rectangular body 24 that cooperates with the transmission gear 23 is provided with a transmission turbine 201. When the transmission gear 23 rotates, the transmission body 201 controls the rectangular body 24 to move upward or downward;

The two support legs near the front and rear sides of the intermediate case are fixed by a fixing plate 203. The fixing plate is arranged such that the movement of the supporting legs fixed together is kept consistent, and the problem that the balance wheel parking instability caused by the unsynchronized two supporting legs is prevented from occurring due to the slip of the transmission gear or the transmission turbine; and the fixing plate is The setting increases the strength of the support legs, improves the service life of the support feet, and reduces the occurrence of damage to the support feet.

In the embodiment, preferably, the outer side of the rectangular body is provided with a reinforcing rib 202. The reinforcing rib 202 is provided with a screw opening (not shown), and the fixing plate 203 is respectively fixed to the reinforcing rib 202 by a screw opening. The setting of the ribs improves the strength of the support feet, improves the service life of the support feet, and reduces the occurrence of damage to the support feet.

The outer side of the support leg is provided with a reinforcing rib 202;

Two supporting legs near the front and rear sides of the intermediate box are connected by a sliding plate (not shown), and a side of the sliding plate that cooperates with the supporting leg is provided with a sliding groove that cooperates with the reinforcing rib (not shown in the drawing) ), the sliding plate is fixed on the front and rear sides of the inside of the intermediate case. Although the support foot is controlled to move up or down by the transmission turbine, the connection problem may occur due to long-term use, the support foot may be tilted, and unnecessary problems may occur; and the sliding plate and the sliding groove may be used for the limit support foot. Make sure that the rectangular body moves in the upward or downward direction.

Preferably, the electric balance vehicle further includes an in-wheel motor (not shown) for driving the wheels of the electric balance vehicle;

And a balance control system (not shown) coupled to the hub motor and for controlling the rotation of the wheel motor by the hub motor;

A power pack for powering the electric balance vehicle is disposed in the middle case;

The left and right sides of the middle case are provided with a fitting 29 for fixing with the left side body and the right side body;

A through hole is formed in the middle of the mating member 29, and the power cord extending from the power pack is connected to the hub motor and the balance control system through the through hole. The power pack is multi-purpose.

The above has described in detail the preferred embodiments of the invention. It will be appreciated that many modifications and variations can be made in the present invention without departing from the scope of the invention. Therefore, those skilled in the art can logically analyze and push on the basis of the prior art according to the concept of the present invention. The technical solutions that can be obtained by a limited or limited experiment are all within the scope of protection as determined by the claims.

Claims

An electric balance vehicle, comprising: a left side body, a right side body, and an intermediate box connecting the left side body and the right side body;

The intermediate case is provided with a support leg that can expand and contract in the up and down direction, and the maximum telescopic length of the support leg is equivalent to the height of the wheel of the electric balance car.
The electric balance vehicle according to claim 1, wherein: said intermediate casing is further provided with a power supply group for powering said electric balance vehicle, and a power structure for engaging said support foot by a transmission gear;

The power structure is powered by the power pack.
The electric balance vehicle according to claim 2, wherein: said power structure comprises a motor group, said motor unit being fixed to an inner upper surface of said intermediate case by a fixing member;

The motor set is coupled to the transmission gear through a rotating shaft, the support leg includes a rectangular body, and a side of the rectangular body that cooperates with the transmission gear is provided with a transmission turbine. When the transmission gear rotates, the transmission turbine controls The rectangular body moves upward or downward.
The electric balance vehicle according to claim 2, wherein: the power structure has two groups, and a circuit board for controlling the power structure is disposed between the two groups of power structures, and the intermediate box is provided with a coupling and a ground. a button coupled to the circuit board;

The power structure controls the support foot to move up or down when the button receives a press.
The electric balance vehicle according to claim 1, wherein said support legs are provided with at least two groups, one for each group, and two sets of support legs are respectively disposed at positions near the front and rear sides of the intermediate case.
The electric balance vehicle according to claim 5, wherein said support legs have two groups of two, each of which is evenly disposed at a position adjacent to the front and rear sides of said intermediate case.
The electric balance vehicle according to claim 6, wherein: said intermediate case is further provided with a power structure connected to said support leg via a transmission gear, said power structure comprising a motor unit, and the motor unit is in The front and rear sides of the intermediate box are respectively connected to the transmission gear through a rotating shaft;

The support leg includes a rectangular body, a side of the rectangular body that cooperates with the transmission gear is provided with a transmission turbine, and when the transmission gear rotates, the rectangular body is controlled to move upward or downward by a transmission turbine;

The two support legs near the front and rear sides of the intermediate case are fixed by a fixing plate.
The electric balance car according to claim 7, wherein: the outer side of the rectangular body is provided with a reinforcing rib, and the reinforcing rib is provided with a screw opening, and the fixing plate is respectively fixed to the reinforcing rib by a screw opening.
The electric balance vehicle according to claim 6, wherein: said intermediate case is further provided with a power structure connected to said support leg through a transmission gear, said power structure comprising a motor group, and the motor group is in front of and behind the intermediate case The side faces are respectively connected to the transmission gear through a rotating shaft;

The support leg includes a rectangular body, a side of the rectangular body that cooperates with the transmission gear is provided with a transmission turbine, and when the transmission gear rotates, the rectangular body is controlled to move upward or downward by a transmission turbine;

The outer side of the support leg is provided with a reinforcing rib;

Two supporting legs adjacent to the front and rear sides of the intermediate box are connected by a sliding plate, and a side of the sliding plate that cooperates with the supporting leg is provided with a sliding groove that cooperates with the reinforcing rib, and the sliding plate is fixed at The front and rear sides of the interior of the intermediate case.
The electric balance vehicle according to claim 1, wherein: said electric balance vehicle further comprises an in-wheel motor for driving wheels of said electric balance vehicle;

And a balance control system coupled to the hub motor and for controlling the hub motor to drive the wheel to rotate;

A power supply group for powering the electric balance vehicle is disposed in the intermediate box;

The left and right sides of the intermediate box are provided with fittings for fixing with the left side body and the right side body;

a through hole is formed in the middle of the mating member, and a power line extending from the power group is connected through the through hole In the hub motor and balance control system.