WO2022028509A1

WO2022028509A1 - Self-balancing vehicle

Info

Publication number: WO2022028509A1
Application number: PCT/CN2021/110757
Authority: WO
Inventors: 臧传美
Original assignee: 浙江阿尔郎科技有限公司
Priority date: 2020-08-07
Filing date: 2021-08-05
Publication date: 2022-02-10
Also published as: CN111891278A; CN112407124A; CN112407124B

Abstract

A self-balancing vehicle, comprising a first vehicle body (1) and a second vehicle body (2); the first vehicle body (1) comprises a first upper housing (10), a first lower housing (20) and a first component group, the second vehicle body (2) comprises a second upper housing (30), a middle housing (50), a second lower housing (40) and a second component group, the middle housing (50) is provided between the second upper housing (30) and the second lower housing (40), and the middle housing (50) substantially balances the weight of the first vehicle body (1) and the second vehicle body (2). The self-balancing vehicle improves the stability of the overall structure, facilitates the operation of a user, enhances the structural strength of the second vehicle body (2), and avoids affecting the service life of the self-balancing vehicle.

Description

a balance car

technical field

The invention relates to the technical field of balancing vehicles, in particular to a balancing vehicle.

Background technique

The operation principle of the electric balance car is mainly based on a basic principle called "dynamic stability". It uses the gyroscope and acceleration sensor inside the car body to detect the change of the car body attitude, and uses the servo control system. The drive axles are adjusted accordingly to keep the system balanced. It is a new type of green and environmentally friendly product that modern people use as a means of transportation, leisure and entertainment. Electric balance cars mainly include two types: one-wheel and two-wheel. Among them, two-wheel balance cars have a higher safety factor and are more suitable for travel. The general two-wheeled balance car adopts the structure of the left and right sides. At the same time, the left and right sides of the car body include an upper cover and a lower cover. Most of the components in the balance car are fixed on the upper cover or the lower cover, resulting in some The strength of the structure is not enough; for the convenience of installation and control of some two-wheeled balance cars, most of the components are arranged in one side of the body, so that the two-wheeled balance car has a problem of heavier one side, which makes the stability of the whole vehicle difficult to achieve. to unity.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, the purpose of the present invention is to provide a balance vehicle, which is beneficial to maintain the balance of the vehicle body, has stronger stability of the whole vehicle, and is safer to use.

The purpose of the present invention adopts following technical scheme to realize:

A balance car includes a first car body and a second car body, the first car body includes a first upper shell, a first lower shell and a first component group, the second car body includes a second upper shell, A middle shell, a second lower shell, and a second component group, the middle shell is disposed between the second upper shell and the second lower shell, and the middle shell makes the first vehicle body and the second vehicle body The weight of the body is basically balanced.

Preferably, the first component group includes a battery pack;

The battery assembly is disposed on the first upper case, a battery positioning post is disposed on the first upper case, and the battery assembly is fixed to the first upper case through the battery positioning post; or, the The battery assembly is arranged on the first lower case, a battery positioning post is arranged on the first lower case, and the battery assembly is fixed to the first lower case through the battery positioning post.

Preferably, the battery positioning column includes a battery pre-positioning column and a battery locking column, and a pre-positioning slot and a locking hole are correspondingly provided on the outer wall of the battery assembly; and/or

The battery positioning posts include two groups, and the two sets of battery positioning posts are symmetrically arranged on the first upper case or the first lower case.

Preferably, the middle case is connected with the second upper case; and/or the middle case is connected with the second lower case.

Preferably, a first connection structure is provided on the middle case, a second connection structure is correspondingly provided on the second upper case, and the first connection structure and the second connection structure cooperate so that the middle case and the The second upper shell is connected, and the first connecting structure and the second connecting structure are any combination of connecting holes or connecting posts; and/or

A third connection structure is arranged on the middle shell, and a fourth connection structure is correspondingly arranged on the second lower shell. The third connection structure and the fourth connection structure cooperate so that the middle shell and the second lower shell cooperate Shell connection, the third connection structure and the fourth connection structure are any combination of connection holes or connection posts.

Preferably, when the middle case is connected to the second upper case, there are two first connection structures, two of the first connection structures are symmetrically arranged on the middle case, and/or two of the first connection structures are arranged symmetrically on the middle case. The connecting line of the first connecting structure is perpendicular to the horizontal line;

When the middle case is connected to the second lower case, there are two third connection structures, two of the third connection structures are symmetrically arranged on the middle case, and/or two of the third connection structures The connecting lines connecting the structures are perpendicular to the horizontal lines.

Preferably, the lower part of the second upper case is provided with a receiving part, the middle case is placed in the receiving part, and the lower surface of the receiving part is in contact with the upper surface of the middle case; or

An accommodating portion is arranged on the upper side of the second lower shell, and the middle shell is arranged in the accommodating portion;

or

The lower side of the second upper shell and the upper side of the second lower shell together form a accommodating portion, the middle shell is arranged in the accommodating portion, and the upper surface of the middle shell and the lower surface of the second upper shell surface contact.

Preferably, the thickness of the middle shell is greater than the thickness of the second upper shell; and/or, the middle shell is provided with a middle shell reinforcing rib.

Preferably, a fifth connecting structure is provided on the second upper shell, a sixth connecting structure is correspondingly provided on the second lower shell, and the fifth connecting structure and the sixth connecting structure cooperate so that the second upper shell the shell is connected to the second lower shell; the fifth connecting structure and the sixth connecting structure are any combination of connecting holes or connecting posts; and/or

The first upper case is provided with a seventh connection structure, and the first lower case is provided with an eighth connection structure correspondingly, and the seventh connection structure and the eighth connection structure cooperate so that the first upper case and the The first lower shell is connected, and the seventh connection structure and the eighth connection structure are any combination of connection holes or connection posts.

Preferably, the upper surface of the second upper shell and the upper surface of the first upper shell are on the same level.

Preferably, the first component group includes a first wheel, the second component group includes a second wheel, the first wheel is disposed on the outer end of the first upper shell away from the middle shell, and the second wheel is disposed on the outer end of the middle shell away from the first upper shell.

Preferably, the second wheel includes a second axle, a first wheel baffle is provided on a side of the second upper shell close to the second wheel, and a side of the second lower shell close to the second wheel is provided There is a second wheel baffle, the first wheel baffle and the second wheel baffle are arranged correspondingly to form a seal for the second axle, and the middle shell is arranged close to the outer end of the second wheel and the second wheel baffle. Either the first wheel guard or the second wheel guard abuts to position the mid-shell; and/or

The first wheel includes a first axle, the side of the first upper shell close to the first wheel is provided with a third wheel baffle, and the side of the first lower shell close to the first wheel is provided with a fourth wheel baffle. The wheel baffle, the third wheel baffle and the fourth wheel baffle are arranged correspondingly to form a seal for the first axle.

Preferably, the first component group further includes a first mudguard, the first mudguard is arranged on the outer side of the first upper shell and is located above the first wheel, the first mudguard The plate and the first upper shell are integral structures; and/or

The second component group further includes a second fender, the second fender is arranged on the outer side of the second upper shell and is located above the second wheel, the second fender and all the The second upper shell is an integral structure.

Preferably, the first component group includes a first pedal, the second component group includes a second pedal, the first pedal is arranged on the first upper shell, and the second pedal is arranged on the first pedal on the upper shell or the middle shell;

The structure of the first pedal is as follows: an integrated pedal, or consisting of a pedal leather and a pedal pad;

The structure of the second pedal is as follows: an integrated pedal, or composed of a pedal skin and a pedal pad.

Preferably, the first upper shell is provided with a first pedal installation hole, and the first pedal is disposed on the first upper shell through the first pedal installation hole;

The second upper shell is provided with a first installation hole for a second pedal, the second pedal includes an movable connection fixing column, and the movable connection fixing column is matched and connected with the first installation hole of the second pedal.

Preferably, corresponding to the position of the first installation hole of the second pedal, a second installation hole of the second pedal is provided on the middle shell; the movable connection fixing column is connected with the first installation hole of the second pedal and the second The second mounting hole of the pedal is matched, so that the second pedal is movably fixed on the second upper shell.

Preferably, the second upper shell is provided with a through hole, the middle shell is provided with a second mounting hole for the second pedal, and the second pedal includes an movable connection fixing column; the movable connection fixing column passes through the through hole. The hole is matched with the second mounting hole of the second pedal, so that the second pedal is movably fixed on the middle shell.

Preferably, the second component group further includes a second photoelectric switch, and the second photoelectric switch is disposed on the lower side of the middle shell; the second pedal includes a contact, and the middle shell is provided with a contact passing through. When the second pedal is arranged on the second upper shell, a contact hole is arranged on the second upper shell, and the contact passes through the contact hole, the contact through hole and the second upper shell. The photoelectric switch is matched; when the second pedal is arranged on the middle shell, the contact is matched with the second photoelectric switch through the contact through hole; a spring is arranged in the contact through hole, so that the second pedal Can bounce back.

Preferably, the second component group further includes a second photoelectric switch, and the second photoelectric switch is arranged on the second upper casing and is located below the second pedal; the second upper casing is provided with a an installation groove for installing the second photoelectric switch, and the second photoelectric switch is placed in the installation groove; the second pedal includes a contact, and the contact is arranged corresponding to the second photoelectric switch; the The middle shell is provided with a movable mounting hole, the second upper shell is provided with a contact hole, the contact hole corresponds to the movable mounting hole, and the second pedal further includes a contact post, which is connected to the contact post. The movable mounting hole is adapted to fit, and a spring is arranged in the movable mounting hole, so that the second pedal can rebound.

Preferably, a second axle mounting seat is provided on the lower side of the middle shell, or a second axle mounting seat is provided on the lower side of the second upper shell, or a second axle mounting seat is provided on the second lower shell; The second axle mounting seat includes a second axle pressing piece fixing hole and a second axle mounting slot; the second axle pressing piece fixing hole includes two groups, and the two sets of the second axle pressing piece fixing hole are symmetrically arranged on the second axle pressing piece fixing hole. Both sides of the axle mounting slot; and/or

A first axle mounting seat is arranged on the lower side of the first upper shell, or, a first axle mounting seat is arranged on the first lower shell; the first axle mounting seat includes a first axle pressing plate fixing hole and a first axle An installation groove; the first axle pressing piece fixing holes include two groups, and the two sets of the first axle pressing piece fixing holes are symmetrically arranged on both sides of the first axle installation groove.

Preferably, a second control board connecting column is arranged on the lower side of the middle shell, or a second control board connecting column is arranged on the lower side of the second upper shell; the second control board connecting column includes two groups, and the two groups of the The second control panel connecting posts are respectively located on both sides of the second axle mounting seat; and/or

The lower side of the first upper shell is provided with a first control board connecting column; the first control board connecting column includes two groups, and the two groups of the first control board connecting column are respectively arranged on two sides of the first axle mounting seat. side.

Preferably, the balance car further includes a rotating mechanism, one end of the rotating mechanism is arranged in the first vehicle body, and the other end is arranged in the second vehicle body, so that the first vehicle body and the second vehicle body can rotate relative to each other.

Preferably, the first end of the rotating mechanism is fixedly arranged between the first upper shell and the first lower shell;

The second end of the rotating mechanism is rotatably disposed between the middle shell and the second lower shell, and a limiting mechanism is provided on the middle shell and/or on the second lower shell; or

The second end of the rotating mechanism is rotatably disposed in the middle shell, the middle shell is provided with a cylindrical portion at a corresponding position, and the rotating mechanism can rotate in the cylindrical portion; or

The second end of the rotating mechanism is rotatably disposed in the second lower casing, a cylindrical portion is provided at a corresponding position of the second lower casing, and the rotating mechanism can rotate in the cylindrical portion; or

The second end of the rotating mechanism is rotatably sandwiched between the second upper shell and the second lower shell, and a limit is set on the second upper shell and/or the second lower shell mechanism.

Preferably, a first sleeve is provided in the cylindrical portion, and the rotating mechanism can rotate in the first sleeve.

Preferably, when the second end of the rotating mechanism is rotatably disposed between the middle casing and the second lower casing, the middle casing is provided with a rotating upper connecting groove, and the second lower casing corresponds to the second lower casing. A rotating lower connecting groove is arranged at the position of the rotating upper connecting groove, and the rotating mechanism is rotatably arranged between the rotating upper connecting groove and the rotating lower connecting groove;

A limit block installation groove is set in the lower rotating connecting groove, and/or a limit block installation groove is set in the rotating upper connecting groove;

An indicator light board mounting post is arranged in the upper connecting groove of the rotation;

A first indicator hole is arranged in the upper rotating connecting groove, corresponding to the position of the first indicator hole, and a second indicator hole is arranged on the second upper shell, corresponding to the position of the second indicator hole, An indicator light cover is arranged on the second upper shell.

Preferably, the balance car further includes a bearing; a limit groove is provided in the upper rotation connecting groove and the lower connecting groove, and the bearing is arranged between the limit grooves and rotates in cooperation with the rotating mechanism.

Preferably, the balance car further includes a second sleeve; a sleeve installation groove is provided in the upper rotating connecting groove, and the second sleeve is arranged in the sleeve installation groove and rotates in cooperation with the rotating mechanism.

Preferably, an end of the first upper casing close to the second upper casing is provided with a rotating mechanism upper fixing groove, and correspondingly, an end of the first lower casing close to the second lower casing is provided with a rotating mechanism lower fixing groove, the The rotating mechanism is fixed between the upper fixing groove of the rotating mechanism and the lower fixing groove of the rotating mechanism; or

One end of the first upper casing close to the second upper casing is provided with a rotating mechanism fixing column, and the rotating mechanism is fixed between the first upper casing and the first lower casing through the rotating mechanism fixing column.

Preferably, the second end of the rotating mechanism is rotatably disposed in the second vehicle body, and the first end is rotatably disposed in the first vehicle body; the rotating mechanism includes a rotating shaft, one end of the rotating shaft is connected to the The first vehicle body is connected, and the other end is connected to the second vehicle body; the rotating shaft rotates relative to the first vehicle body and the second vehicle body; A limiting mechanism is provided at the position of the body or the second body and the position corresponding to the limiting portion;

The first upper shell and the middle shell are provided with rotating upper connecting grooves, the first lower shell and the second lower shell are provided with rotating lower connecting grooves at positions corresponding to the rotating upper connecting grooves, and the Bearings are sleeved at both ends of the rotating shaft, and corresponding bearing installation grooves are provided on the rotating upper connecting groove and the rotating lower connecting groove; or

The first upper shell and the second upper shell are provided with rotating upper connecting grooves, and the first lower shell and the second lower shell are provided with rotating lower connecting grooves at positions corresponding to the rotating upper connecting grooves, Bearings are sleeved at both ends of the rotating shaft, and corresponding bearing installation grooves are provided on the rotating upper connecting groove and the rotating lower connecting groove; or

The first upper shell or the first lower shell is provided with a third sleeve, the second upper shell or the middle shell or the second lower shell is provided with a first sleeve, and one end of the rotating shaft is rotatably arranged on the third sleeve. The other end is rotatably arranged in the first sleeve.

Preferably, the first component group includes a first control board, and the second component group includes a second control board; the first control board is disposed between the first upper shell and the first lower shell; the second control board is arranged between the middle shell and the second lower shell; the first control board is fixedly connected with the first upper shell or the first lower shell; the second control board The plate is fixedly connected with the second upper shell or the middle shell or the second lower shell.

Preferably, the second component group includes a horn; a horn installation groove is provided in the second lower shell, and the horn is arranged in the horn installation groove.

Preferably, the balance car further includes a main switch, a main switch installation hole is provided inside the second lower shell, and the main switch is arranged in the main switch installation hole.

Preferably, the balance scooter further includes a handle; the handle is provided at the connection between the first vehicle body and the second vehicle body; the handle includes a first part and a second part provided separately, the first part , the second part and the first body and the second body form a handle cavity.

Compared with the prior art, the beneficial effects of the present invention are:

The balance car of the present invention utilizes the middle shell to basically balance the weights of the first car body and the second car body, so that the stability of the overall structure of the balance car is improved, the user's operation is convenient, and the structural strength of the second car body is also enhanced. Avoid affecting the service life of the balance car.

Description of drawings

1 is a schematic diagram of an exploded structure of a self-balancing vehicle according to an embodiment of the present invention, which shows an embodiment in which a middle shell is arranged in the second vehicle body, an embodiment in which a battery assembly is arranged in the first vehicle body, and an embodiment in which a battery assembly is arranged in the first vehicle body. An embodiment in which the second end of the rotating mechanism is located between the middle shell and the second lower shell;

Fig. 2 is the exploded structure schematic diagram of another angle of the balance car of the embodiment in Fig. 1;

FIG. 3 is a schematic cross-sectional structure diagram of the self-balancing vehicle of the embodiment in FIG. 1 , which shows an embodiment in which the battery assembly is connected to the first upper shell;

FIG. 4 is a schematic cross-sectional structural diagram of the balance car of the embodiment in FIG. 1 from another angle, which shows an embodiment in which the second axle mounting seat is located on the middle shell, and shows that the second end of the rotating mechanism is located in the middle shell and the second The embodiment between the lower shells also shows the embodiment in which the second pedal is arranged on the second upper shell;

5 is a schematic diagram of an exploded structure of a self-balancing vehicle according to another embodiment of the present invention, showing an embodiment in which the second end of the rotating mechanism is located in the cylindrical portion of the middle shell;

Fig. 6 is the sectional structure schematic diagram of the balance car of the embodiment in Fig. 5;

Fig. 7 is a schematic diagram of an exploded structure of a balance car according to another embodiment of the present invention, showing an embodiment in which the second end of the rotating mechanism is located in the cylindrical portion of the second lower shell;

FIG. 8 is a schematic cross-sectional structure diagram of the balance car of the embodiment in FIG. 7;

9 is a schematic diagram of an exploded structure of a self-balancing vehicle according to another embodiment of the present invention, showing an embodiment in which the second end of the rotating mechanism is located between the second upper shell and the second lower shell;

FIG. 10 is a schematic cross-sectional structure diagram of the balance car in FIG. 9 , showing an embodiment in which the second axle mounting seat is arranged on the second upper shell;

11 is a schematic diagram of an explosion structure of a balance car according to another embodiment of the present invention, showing an embodiment in which the second pedal is arranged on the middle shell;

FIG. 12 is a schematic cross-sectional structure diagram of the balance car of the embodiment in FIG. 11;

13 is a schematic diagram of an exploded structure of a balance car according to another embodiment of the present invention, which shows another embodiment in which the second axle mounting seat is located on the middle shell, and shows that the second end of the rotating mechanism is located in the middle shell and the second Embodiments between the lower shells;

Fig. 14 is a schematic cross-sectional structure diagram of the self-balancing vehicle of the embodiment in Fig. 13, which shows an embodiment in which the contact through holes are arranged on the second upper shell;

15 is a schematic diagram of an exploded structure of a balance car according to another embodiment of the present invention, which shows an embodiment in which the first end of the rotating mechanism is rotatably arranged in the first vehicle body, and the second end is rotatably arranged in the second vehicle body;

FIG. 16 is a schematic cross-sectional structure diagram of the balance car of the embodiment in FIG. 15;

17 is a schematic diagram of an exploded structure of a balance car according to another embodiment of the present invention, which shows an embodiment in which the photoelectric switch is arranged on the first upper shell, and also shows that when the second pedal is arranged on the middle shell, the photoelectric switch is arranged Embodiment on the mid-shell;

FIG. 18 is a schematic cross-sectional structure diagram of the balance car of the embodiment in FIG. 17;

Fig. 19 is the exploded structure schematic diagram of the balance car of another embodiment of the present invention, and it shows the embodiment when the photoelectric switch is arranged on the first upper casing, and also shows the embodiment when the photoelectric switch is arranged on the second upper casing;

Fig. 20 is a schematic cross-sectional structure diagram of the balance car of the embodiment in Fig. 19;

21 is a schematic structural diagram of a middle shell according to an embodiment of the present invention, which shows an embodiment in which a contact through hole is arranged on the middle shell, and an embodiment in which a second axle mounting seat is arranged on the middle shell;

Fig. 22 is a schematic structural diagram of another angle of the middle shell of the embodiment in Fig. 21, and also shows the structure of the middle shell when the second end of the rotating mechanism is located between the middle shell and the second lower shell;

23 is a schematic structural diagram of a middle case according to another embodiment of the present invention, which shows an embodiment in which a cylindrical portion is arranged on the middle case;

FIG. 24 is a schematic structural diagram of another angle of the middle case of the embodiment in FIG. 23;

25 is a schematic structural diagram of a middle case according to another embodiment of the present invention, which shows the structure of the middle case when the second end of the rotating mechanism is disposed between the second upper case and the second lower case, and also shows the first The structure of the middle shell when the two axle mounting seats are arranged on the second upper shell;

FIG. 26 is a schematic structural diagram of another angle of the middle case of the embodiment in FIG. 25;

27 is a schematic structural diagram of a middle shell according to another embodiment of the present invention, showing another embodiment in which the second axle mounting seat is located on the middle shell, and also showing that the contact through holes are arranged on the second upper shell The structure of the middle shell in the upper time;

Fig. 28 is a schematic structural diagram of another angle of the middle case of the embodiment in Fig. 27;

29 is a schematic structural diagram of a second upper casing according to an embodiment of the present invention, which shows an embodiment in which the second upper casing is provided with a covering portion, and also shows an embodiment in which the second pedal is disposed on the second upper casing;

30 is a schematic structural diagram of the second upper shell according to another embodiment of the present invention, which shows an embodiment in which the indicator light board is arranged at a corresponding position of the second upper shell, and also shows the second pedal when the second pedal is directly connected to the middle shell. The structure of the upper shell;

31 is a schematic structural diagram of the second upper case according to another embodiment of the present invention, which shows the structure of the second upper case when the second end of the rotating mechanism is disposed between the second upper case and the second lower case, and also showing an embodiment in which the second axle mount is provided on the second upper shell;

32 is a schematic structural diagram of a second upper case according to another embodiment of the present invention, which shows an embodiment in which the second upper case is provided with a covering portion, and also shows that the contact through holes and the second control board connecting posts are arranged in the second upper case. the embodiment on the upper shell;

33 is a schematic structural diagram of a second lower case according to an embodiment of the present invention, which shows an embodiment in which a cylindrical portion is provided on the second lower case;

FIG. 34 is a schematic structural diagram of the second lower case according to another embodiment of the present invention, which shows an embodiment in which the second end of the rotating mechanism is rotatably connected to the second lower case, and also shows that the limiting mechanism is disposed on the second lower case. implementation of the above;

35 is a schematic structural diagram of a second upper casing according to another embodiment of the present invention, which shows the structure of the second upper casing when the photoelectric switch is arranged on the second upper casing;

FIG. 36 is a schematic structural diagram of another angle of the second upper casing of the embodiment in FIG. 35;

37 is a schematic structural diagram of a first upper casing according to an embodiment of the present invention, which shows the structure of the first upper casing when the photoelectric switch is disposed on the first upper casing;

38 is a schematic structural diagram of a middle case according to another embodiment of the present invention, which shows the structure of the middle case when the photoelectric switch is arranged on the middle case;

FIG. 39 is a schematic structural diagram of another angle of the middle case of the embodiment in FIG. 38 .

In the figure, 1, the first car body; 2, the second car body; 3, the rotating mechanism; 31, the first end; 32, the second end; 33, the rotating shaft; 34, the limit part; 35, the bearing; 36, Limiting sleeve; 37. Limiting block; 38. Limiting block installation slot; 39. Fixing hole for rotating mechanism; 4. First control board; 5. Second control board; 6. First pedal; 61. First activity Column; 62, first contact point; 7, second pedal; 71, movable connection fixed column; 72, second contact point; 8, handle;

10. The first upper shell; 101. The seventh connection structure; 102, The first control panel connecting column; 103, The third wheel baffle; 104, The first fender; 105, The first pedal mounting hole; Fixing groove on the mechanism; 107. Fixing column of the rotating mechanism; 108. The first pedal installation groove;

20, the first lower shell; 201, the eighth connection structure; 202, the fourth wheel baffle; 203, the first axle slot; 204, the lower fixing slot of the rotating mechanism; 205, the bearing installation slot;

30, the second upper shell; 301, the second connection structure; 302, the receiving part; 303, the fifth connection structure; 304, the second control panel connecting column; 305, the first wheel baffle; 307, the first installation hole of the second pedal; 308, the through hole; 309, the contact hole; 310, the cover part; 3101, the second indicator hole; 3102, the lampshade;

40, the second lower shell; 401, the fourth connection structure; 402, the sixth connection structure; 403, the second wheel baffle; 404, the second axle slot; slot; 4061, limit sleeve slot; 407, horn installation slot; 408, main switch installation hole; 409, horn;

50, the middle shell; 501, the first connection structure; 502, the third connection structure; 503, the first through groove; 504, the second through groove; 505, the second installation hole of the second pedal; 506, the first sleeve; 507, rotating upper connecting groove; 508, indicator light board; 5081, light board column; 5082, first indicator light hole; 509, middle shell reinforcing rib;

60, battery assembly; 601, battery box; 602, battery positioning column; 6021, battery pre-positioning column; 6022, battery locking column; 603, pre-positioning slot; 604, locking hole;

70, the first wheel; 701, the first axle; 702, the first axle mounting seat; 703, the first axle pressing sheet fixing hole; 704, the first axle mounting groove; 705, the first axle pressing sheet;

80, the second wheel; 801, the second axle; 802, the second axle mounting seat; 803, the second axle pressing piece fixing hole; 804, the second axle mounting groove; 805, the second axle pressing piece;

90, the first photoelectric switch; 901, the second photoelectric switch; 902, the contact through hole; 903, the installation slot; 9031, the first wire hole; 9032, the second wire hole; 9033, the third wire hole; 904. Contact column.

detailed description

The present invention will be described in more detail below with reference to the accompanying drawings. It should be noted that the following description of the present invention with reference to the accompanying drawings is only illustrative and not restrictive. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

In the description of the present invention, it should be noted that for orientation words, such as the terms "center", "horizontal", "longitudinal", "length", "width", "thickness", "upper", "lower" , "Front", "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inside", "Outside", "Clockwise", "Counterclockwise" ” and the like indicating the orientation and positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or a specific orientation. The structure and operation should not be construed as limiting the specific protection scope of the present invention.

In addition, the terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or indicating the number of technical features. Thus, the definition of "first" and "second" features may expressly or implicitly include one or more of the features, and in the description of the present invention, "several" means two or more, unless otherwise There are clear and specific restrictions.

In the present invention, unless otherwise expressly specified and limited, the terms "assembled", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated It can be connected to the ground; it can also be a mechanical connection; it can be directly connected, or it can be connected through an intermediate medium, or the two components can be connected internally. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

Referring to Figures 1 to 39, the balance car of the embodiment of the present invention will be clarified in the following description, wherein the middle shell located in the second body solves the problem of poor stability of the whole vehicle in the prior art, so that the The weights of the first vehicle body and the second vehicle body are basically balanced, the operation is more stable, and the running of the balance vehicle is safer.

As shown in FIGS. 1 to 20 , the present invention designs a balance car, which includes a first car body 1 and a second car body 2 , and the first car body 1 includes a first upper shell 10 , a first lower shell 20 and a second car body 2 . A component group, the second vehicle body 2 includes a second upper shell 30, a middle shell 50, a second lower shell 40 and a second component group, the middle shell 50 is arranged between the second upper shell 30 and the second lower shell 40, The middle shell 50 substantially balances the weights of the first vehicle body 1 and the second vehicle body 2 .

As shown in FIG. 1 to FIG. 20 , the first vehicle body 1 and the second vehicle body 2 are arranged opposite to each other. The first vehicle body 1 may be the left vehicle body in the balance vehicle, and correspondingly, the second vehicle body 2 may be the right vehicle body in the balance vehicle; in some embodiments, the first vehicle body 1 may be the right vehicle body in the balance vehicle. The vehicle body, correspondingly, the second vehicle body 2 is the left vehicle body in the balance vehicle. It is worth noting that the positions of the first vehicle body 1 and the second vehicle body 2 have no substantial impact on their structures, and can be used normally.

Since the weights of the first component group on the first vehicle body 1 and the second component group on the second vehicle body 2 are inconsistent, the first upper shell 10 and the first lower shell 20 , the second upper shell 30 and the second lower shell The weights of the first vehicle body 1 and the second vehicle body 2 are also unbalanced, which causes the whole vehicle body of the balance vehicle to be unbalanced, and the danger of overturning easily occurs during the driving process. Therefore, the middle shell 50 is arranged in the second vehicle body 2 with a lighter mass, so that the weights of the first vehicle body 1 and the second vehicle body 2 are basically balanced, and the stability of the whole vehicle body is improved.

In some embodiments, the heavier component in the balance vehicle is the battery assembly 60 , the first component group includes the battery assembly 60 , the battery assembly 60 has a larger volume, and the first vehicle body 1 is a double-layer structure with relatively Large installation space, the battery assembly 60 is arranged in the first vehicle body 1, located below the first upper shell 10, the battery assembly 60 includes a battery box 601 and a battery, the battery is arranged in the battery box 601, and the battery box 601 and the first upper The case 10 or the first lower case 20 is fixedly connected.

More specifically, in the specific example shown in FIG. 1 , FIG. 2 and FIG. 3 , the battery box 601 is connected to the first upper shell 10 , and the first upper shell 10 is provided with a battery positioning column 602 , The battery box 601 is connected to the first upper case 10 through the battery positioning posts 602 . The battery positioning column 602 includes a battery pre-positioning column 6021 and a battery locking column 6022. The battery locking column 6022 is provided with a screw hole corresponding to the locking hole 604, and the outer wall of the battery assembly 60 is correspondingly provided with a pre-positioning slot 603 and a lock. When installing the tightening hole 604, the battery pre-positioning column 6021 can be inserted into the pre-positioning slot 603 on the outer wall of the battery box 601, and the battery locking column 6022 is corresponding to the locking hole 604, and then the battery locking column is fixed with screws 6022 is locked and fixed with the locking hole 604, so as to realize the fixed connection between the battery box 601 and the battery positioning post 602. As shown in FIG. 3 , the length of the battery and the positioning column is greater than the length of the battery locking column 6022 . Preferably, in order to strengthen the connection stability of the battery assembly 60 and the first upper case 10, the battery positioning posts 602 include two groups, which are respectively arranged at the positions corresponding to the lower surface of the first upper case 10 and the two sides of the battery box 601, as shown in the appendix. As shown in FIG. 2 and FIG. 3 , the battery positioning posts 602 are located on both sides of the battery box 601 , and correspondingly, the pre-positioning slots 603 and the locking holes 604 are also located on both sides of the battery box 601 . To ensure the force balance of the battery assembly 60 , two sets of battery positioning posts 602 are symmetrically arranged. If the first upper shell 10 is provided with the first pedal 6 and the first pedal 6 is movable relative to the first upper shell 10 through the movable connection fixing column 71 , the battery positioning column 602 has a certain length and is larger than the movable connection fixing column 71 This prevents the movable connection fixing post 71 from being resisted by the battery assembly 60 when the first pedal 6 moves relative to the first upper shell 10 , which affects the normal movement of the first pedal 6 .

In another embodiment, the battery assembly 60 is disposed on the first lower case 20 , the first lower case 20 is provided with a battery positioning post 602 , and the battery assembly 60 is fixed to the first lower case 20 through the battery positioning post 602 . The battery positioning column 602 includes a battery pre-positioning column 6021 and a battery locking column 6022. The battery locking column 6022 is provided with a screw hole corresponding to the locking hole 604, and the outer wall of the battery assembly 60 is correspondingly provided with a pre-positioning slot 603 and a lock. Tight hole 604. When installing, align the pre-positioning slot 603 with the battery pre-positioning post 6021, lower the battery box 601, and insert the battery pre-positioning post 6021 into the pre-positioning slot 603 on the outer wall of the battery case 601. At this time, the battery locks The locking posts 6022 correspond to the locking holes 604 , and then the battery locking posts 6022 and the locking holes 604 are locked and fixed with screws, thereby realizing the fixed connection between the battery box 601 and the battery positioning posts 602 . The length of the battery and the positioning post is greater than the length of the battery locking post 6022 . Preferably, in order to strengthen the connection stability between the battery assembly 60 and the first upper case 10 , the battery positioning posts 602 include two groups, which are respectively arranged at positions corresponding to the lower surface of the first upper case 10 and the two sides of the battery box 601 . The posts 602 are located on both sides of the battery box 601 , and correspondingly, the pre-positioning grooves 603 and the locking holes 604 are also located on both sides of the battery box 601 . To ensure the force balance of the battery assembly 60 , two sets of battery positioning posts 602 are symmetrically arranged.

In other embodiments, both the first upper case 10 and the first lower case 20 are provided with battery positioning posts 602 , and the battery assembly 60 is connected and fixed with the first upper case 10 and the first lower case 20 at the same time, so as to obtain a more stable installation effect. The specific structure of the battery positioning column 602 and the connection manner with the battery box 601 can be as described in the above embodiments. In addition, in order to ensure the force balance of the battery assembly 60, the number of battery positioning posts 602 can be four groups, and the two groups located on the first upper case 10 are symmetrically arranged with each other, and the two groups located on the first lower case 20 are symmetrical with each other. set up. The battery positioning posts 602 on the first upper shell 10 may be arranged corresponding to the battery positioning columns 602 on the first lower shell 20 , or may be arranged in a staggered position. If the first upper shell 10 is provided with the first pedal 6 and the first pedal 6 is movable relative to the first upper shell 10 through the movable connection fixing column 71 , the battery positioning column 602 has a certain length and is larger than the movable connection fixing column 71 This prevents the movable connection fixing post 71 from being resisted by the battery assembly 60 when the first pedal 6 moves relative to the first upper shell 10 , which affects the normal movement of the first pedal 6 .

The middle shell 50 is provided in the second vehicle body 2, which is a three-layer structure, and has a smaller installation space, but has higher structural strength and better load-bearing effect. The installation and fixation of the middle shell 50 is important to the stability of the second vehicle body 2 and the entire balance vehicle. The middle shell 50 can be connected with the second upper shell 30 alone, or with the second lower shell 40 alone, or with the second upper shell 30 and the second lower shell 40 at the same time.

In some embodiments, as shown in FIG. 1 and FIG. 2 , a first connection structure 501 is provided on the middle case 50 , a second connection structure 301 is correspondingly provided on the second upper case 30 , the first connection structure 501 and the second connection structure 501 The connection structure 301 cooperates so that the middle case 50 is connected with the second upper case 30 , and the first connection structure 501 and the second connection structure 301 are any combination of connection holes or connection posts. More specifically, in the specific example shown in FIG. 21 and FIG. 29 , the first connecting structure 501 is a connecting hole, the second connecting structure 301 is a connecting column, the connecting hole and the connecting column are correspondingly arranged, and the screw passes through The connecting hole is threadedly connected with the connecting post, so that the middle shell 50 and the second upper shell 30 are fixedly connected.

As shown in FIG. 21 and FIG. 29 , when the middle shell 50 is connected with the second upper shell 30 , there are two first connecting structures 501 , so that the connection between the middle shell 50 and the second upper shell 30 is firmer. Preferably, in order to balance the force of the middle shell 50 during installation, the two first connecting structures 501 are symmetrically arranged on the middle shell 50 , that is, the two first connecting structures 501 are centrally symmetrical about the central transverse axis of the middle shell 50 . In other words, the connecting line of the two first connection structures 501 may be perpendicular to the horizontal line, and the horizontal line refers to the horizontal horizontal line in the direction in FIG. 3 and FIG. 4 . More specifically, the two first connecting structures 501 are located on both sides of the middle shell 50 , and as shown in FIG. 21 , the two connecting holes are located on both sides of the middle shell 50 .

In other embodiments, a third connection structure 502 is provided on the middle case 50, and a fourth connection structure 401 is correspondingly provided on the second lower case 40. The third connection structure 502 and the fourth connection structure 401 cooperate so that the middle case 50 and the third connection structure 401 cooperate with each other. The two lower shells 40 are connected, and the third connection structure 502 and the fourth connection structure 401 are any combination of connection holes or connection posts. More specifically, in the specific example shown in FIG. 22 and FIG. 34 , the third connection structure 502 is a connection column, the fourth connection structure 401 is a connection column, the third connection structure 502 and the fourth connection structure 401 At least one of them is a through connecting column, the connecting column on the middle shell 50 and the connecting column on the second lower shell 40 are correspondingly arranged, and screw holes are provided on them, and the screws pass through the through connecting column and are threadedly connected to the connecting column. , so that the middle shell 50 is fixedly connected with the second lower shell 40 .

As shown in FIG. 22 and FIG. 34 , when the middle shell 50 is connected with the second lower shell 40 , there are two third connecting structures 502 , so that the connection between the middle shell 50 and the second lower shell 40 is firmer. Preferably, in order to balance the force of the middle shell 50 during installation, the two third connecting structures 502 are symmetrically arranged on the middle shell 50 , that is, the two third connecting structures 502 are centrally symmetrical about the central transverse axis of the middle shell 50 . In some embodiments, the connecting line of the two third connection structures 502 is perpendicular to a horizontal line, and the horizontal line refers to a horizontal horizontal line in the direction in the drawings. More specifically, the two third connecting structures 502 are located on both sides of the middle shell 50 , and as shown in FIG. 22 , the two connecting columns are located on both sides of the middle shell 50 .

In some embodiments, in order to reduce the volume of the second body 2 and make the installation of the middle shell 50 more stable, the second body 2 is provided with an accommodating portion 302 for accommodating the middle shell 50 , and part or all of the middle shell 50 is located in the accommodating portion 302. More specifically, in one embodiment, as shown in FIG. 4 and FIG. 29 , a receiving portion 302 is provided on the lower side of the second upper shell 30 , the receiving portion 302 is a groove structure, and the upper portion of the middle shell 50 is located in the receiving portion 302 . In this case, the lower surface of the accommodating groove can be set to abut against the upper surface of the middle shell 50, so that the force received by the second upper shell 30 can act on the middle shell 50. It can prevent the second upper shell 30 from being damaged beyond the load-bearing range, improve the mechanical strength of the balance car, and ensure the service life of the balance car.

In another embodiment, an accommodating portion 302 is provided on the upper side of the second lower shell 40 , the accommodating portion 302 is a groove structure, the lower part of the middle shell 50 is located in the accommodating portion 302 , or the entire middle shell 50 is located in the accommodating portion 302 , at this time, the lower surface of the second upper shell 30 can be set to offset the upper surface of the middle shell 50, so that the force received by the second upper shell 30 can act on the middle shell 50, so as to prevent the second upper shell 30 from exceeding the load-bearing range. If it is damaged, the mechanical strength of the balance car is improved, and the service life of the balance car is guaranteed.

In another embodiment, the lower side of the second upper shell 30 and the upper side of the second lower shell 40 together form a accommodating portion 302 , the accommodating portion 302 is a cavity structure, and the middle shell 50 is integrally located in the accommodating portion 302 . The lower surface of the second upper shell 30 is arranged to counteract the upper surface of the middle shell 50, so that the force received by the second upper shell 30 can act on the middle shell 50, so as to prevent the second upper shell 30 from being damaged beyond the load-bearing range and improve the balance The mechanical strength of the car ensures the service life of the balance car.

Based on the above embodiments, preferably, the thickness of the middle shell 50 is greater than the thickness of the second upper shell 30, the mechanical strength of the middle shell 50 is higher, and the mechanical strength of the second upper shell 30 can be improved at the same time. When there is a rotating mechanism 3 between the 1 and the second vehicle body 2, the rotating mechanism 3 is connected with the middle shell 50, which can make the installation of the rotating mechanism 3 more stable and enhance the connection between the first vehicle body 1 and the second vehicle body 2. , so that the rotation between the first vehicle body 1 and the second vehicle body 2 is more stable, and the stability of the entire balance vehicle body is improved. Preferably, a middle shell reinforcing rib 509 may also be provided on the middle shell to further enhance the structural strength of the middle shell.

Based on the above embodiment, preferably, in order to make the appearance of the balance car more beautiful, the first upper shell 10 and the second upper shell 30 are flush, and the upper surface of the second upper shell 30 and the upper surface of the first upper shell 10 are on the same level. On a horizontal plane, the user can stand on the first vehicle body 1 and the second vehicle body 2 and operate stably.

In some embodiments, the first upper case 10 and the first lower case 20 are connected and fixed to form a first accommodating cavity. The eighth connection structure 201 is correspondingly provided. The seventh connection structure 101 and the eighth connection structure 201 cooperate so that the first upper shell 10 is connected with the first lower shell 20. The seventh connection structure 101 and the eighth connection structure 201 are connection holes or connections. Any combination of columns. In the specific example shown in FIG. 1 and FIG. 2 , the seventh connecting structure 101 is a connecting column, and a connecting hole is formed thereon, and the eighth connecting structure 201 is a connecting column, which is provided with a connecting hole passing through. During installation, align the seventh connection structure 101 and the eighth connection structure 201, pass the screw through the connection hole on the first lower shell 20, enter the connecting column on the first upper shell 10, and connect and fix the two connecting columns, The first upper case 10 and the first lower case 20 are connected and fixed.

In some embodiments, the second upper case 30 may be directly connected to the second lower case 40 , or may be connected to the second lower case 40 through the middle case 50 . More specifically, a fifth connection structure 303 is provided on the second upper case 30 , a sixth connection structure 402 is correspondingly provided on the second lower case 40 , and the fifth connection structure 303 and the sixth connection structure 402 cooperate so that the second upper case 30 Connected with the second lower shell 40; the fifth connecting structure 303 and the sixth connecting structure 402 are any combination of connecting holes or connecting posts. In the specific example shown in FIG. 1 and FIG. 2 , the fifth connecting structure 303 is a connecting column with a connecting hole therein, and the sixth connecting structure 402 is a connecting column with a connecting hole therein, and the connecting column is used for The second upper case 30 and the second lower case 40 are connected. In some embodiments, the second upper shell 30 and the second lower shell 40 are respectively connected with the middle shell 50 to constitute the entire second vehicle body 2 . In other embodiments, the second upper shell 30 is not only connected with the middle shell 50, but also directly connected with the second lower shell 40 through the fifth connecting structure, so that the overall structure of the second vehicle body 2 is more stable and the bearing capacity is higher. , the operation of the balance car is safer.

The first vehicle body 1 includes a first wheel 70 , and the second vehicle body 2 includes a second wheel 80 , and the specific mounting structure of the second wheel 80 has various manners, some of which will be briefly described below by way of example.

For the installation position of the first wheel 70 , in some embodiments, the first component group includes the first wheel 70 , the first wheel 70 is disposed on the outer end of the first upper shell 10 away from the middle shell 50 , and the second component group includes The second wheel 80 is disposed on the outer end of the middle shell 50 away from the first upper shell 10 . More specifically, the first wheel 70 includes a first axle 701 , the first upper shell 10 is provided with a first axle mounting seat 702 , and the first axle mounting seat 702 includes a first axle pressing piece fixing hole 703 and a first axle mounting seat Slot 704; the first axle mounting slot 704 is adapted to the first axle, the first axle is placed in the first axle mounting slot, the first axle pressing piece fixing hole 703 includes two groups, and two sets of the first axle pressing piece fixing hole 703 are symmetrically arranged on both sides of the first axle mounting groove 704 . The first axle mounting seat 702 is also provided with a first axle pressing piece 705, and the first axle is fixed in the first axle mounting groove through the first axle pressing piece 705; the first axle pressing piece 705 is connected to the first axle mounting seat by screws 702 is fixedly connected to ensure that the first axle will not be separated from the first axle installation groove.

Regarding the installation position of the first wheel 70, in other embodiments, the first component group includes the first wheel 70, and the first wheel 70 is disposed on the outer end of the first lower shell 20 away from the middle shell 50, more specifically , the first wheel 70 includes a first axle 701, the first lower shell 20 is provided with a first axle mounting seat 702, and the first axle mounting seat 702 includes a first axle pressing piece fixing hole 703 and a first axle mounting groove 704; An axle mounting groove 704 is matched with the first axle, the first axle is placed in the first axle mounting groove, the first axle pressing sheet fixing holes 703 include two groups, and the two sets of first axle pressing sheet fixing holes 703 are symmetrically arranged in Both sides of the first axle mounting slot 704 . The first axle mounting seat 702 is also provided with a first axle pressing piece 705, and the first axle is fixed in the first axle mounting groove through the first axle pressing piece 705; the first axle pressing piece 705 is connected to the first axle mounting seat by screws 702 is fixedly connected to ensure that the first axle will not be separated from the first axle installation groove.

Based on the above-mentioned embodiment, preferably, the first component group includes a first control board 4. In order to protect the first control board 4, the first control board 4 is located between the first upper shell 10 and the first lower shell 20, and the first upper The shell 10 or the first lower shell 20 is provided with a first control board connecting column 102, and the first control board 4 is fixedly connected to the first upper shell 10 or the first lower shell 20 through the first control board connecting column 102; The installation of the control board 4 is more firm. The first control board connecting column 102 includes two groups. The two groups of the first control board connecting column 102 are respectively arranged on both sides of the first axle mounting seat 702, so that the first control board 4 is not Interferes with the first axle mount 702 . The distances between the two groups of first control board connecting posts are different, and can be used to install first control boards of different sizes.

Regarding the installation position of the second wheel 80, in some embodiments, the second wheel 80 includes a second axle 801, the middle shell 50 is provided with a second axle mounting seat 802, and the second axle mounting seat 802 includes a second axle pressing piece The fixing hole 803 and the second axle mounting slot 804; the second axle mounting slot 804 is adapted to the second axle, the second axle is placed in the second axle mounting slot, and the second axle pressing piece fixing hole 803 includes two groups, two. The set of second axle pressing sheet fixing holes 803 are symmetrically arranged on both sides of the second axle mounting groove 804 . The second axle mounting seat 802 is also provided with a second axle pressing piece 805, and the second axle is fixed in the second axle mounting groove through the second axle pressing piece 805; the second axle pressing piece 805 is connected to the second axle mounting seat by screws 802 is fixedly connected to ensure that the second axle will not be separated from the second axle installation groove. In combination with the above embodiment, preferably, the thickness of the middle shell 50 is greater than the thickness of the second upper shell 30; because the thickness of the middle shell 50 is thicker and the mechanical strength is greater, therefore, in Figures 21 to 24 and the accompanying drawings In the specific example shown in 28, the second axle mounting seat is arranged at the bottom of the middle shell 50, so that the second axle is installed more firmly, and the second wheel can drive the second vehicle body 2 to run more stably.

Regarding the installation position of the second wheel 80 , in other embodiments, as shown in FIGS. 9 and 10 , the second wheel 80 includes a second axle 801 , and the second upper shell 30 is provided with a second axle mounting seat 802, the second axle mounting seat 802 includes a second axle pressing piece fixing hole 803 and a second axle mounting groove 804; the second axle mounting groove 804 is adapted to the second axle, and the second axle is placed in the second axle mounting groove , the second axle pressing piece fixing hole 803 includes two groups, and the two sets of the second axle pressing piece fixing hole 803 are symmetrically arranged on both sides of the second axle mounting groove 804 . The second axle mounting seat 802 is also provided with a second axle pressing piece 805, and the second axle is fixed in the second axle mounting groove through the second axle pressing piece 805; the second axle pressing piece 805 is connected to the second axle mounting seat by screws 802 is fixedly connected to ensure that the second axle will not be separated from the second axle installation groove.

Since the middle shell 50 is disposed under the second upper shell 30, the second axle mounting seat 802 disposed on the lower surface of the second upper shell 30 is likely to interfere with the middle shell 50. Therefore, based on this embodiment, preferably, as shown in FIG. 25 As shown in FIG. 26, the middle shell 50 is provided with a first through groove 503, and the second axle mounting seat 802 passes through the first through groove 503 and is located below the middle shell 50 to avoid interference with the middle shell 50, and at this time, The second axle is also located below the middle shell 50 , and the second axle mounting seat 802 fixes the second axle in the second axle mounting groove 804 through the second axle pressing piece 805 . The second axle mounting seat 802 is arranged on the second upper shell 30. Compared with the existing upper shell structure, only the second control board connecting column and the second contact through hole on the second upper shell 30 are eliminated, which simplifies production. process, avoid waste, and also facilitate the installation of the second upper shell 30 and the second axle. Preferably, the first through groove 503 on the middle shell 50 has an opening toward the second wheel, so that the second upper shell 30 and the second axle can be installed first, and then the second axle mounting seat 802 can be directly passed through the first through hole. Slot 503, the installation is simpler and more convenient. At the same time, the second axle mounting seat 802 and the second upper shell 30 are equivalent to limiting the left and right positions of the middle shell 50, so that the middle shell 50 and the second shell are connected more closely, so that the mechanical strength of the second vehicle body 2 is better. ,more stable.

Regarding the installation position of the second wheel 80, in other embodiments, the second wheel 80 includes a second axle 801, the second lower shell 40 is provided with a second axle mounting seat 802, and the second axle mounting seat 802 includes a second axle Axle pressing sheet fixing hole 803 and second axle mounting groove 804; the second axle mounting groove 804 is adapted to the second axle, the second axle is placed in the second axle mounting groove, and the second axle pressing sheet fixing hole 803 includes two The two sets of second axle pressing sheet fixing holes 803 are symmetrically arranged on both sides of the second axle mounting groove 804 . The second axle mounting seat 802 is also provided with a second axle pressing piece 805, and the second axle is fixed in the second axle mounting groove through the second axle pressing piece 805; the second axle pressing piece 805 is connected to the second axle mounting seat by screws 802 is fixedly connected to ensure that the second axle will not be separated from the second axle installation groove.

Based on the above-mentioned embodiments, preferably, the second component group includes a second control board 5. In order to protect the second control board 5, the second control board 5 is located between the middle shell 50 and the second lower shell 40, and the middle shell 50 Or the lower side of the second lower shell 40 is provided with a second control board connecting column 304, and the second control board 5 is fixedly connected to the middle shell 50 or the second lower shell 40 through the second control board connecting column 304; The second control board connecting column 304 includes two groups, and the two sets of second control board connecting columns 304 are respectively arranged on both sides of the second axle mounting seat 802, so that the second control board 5 is not connected to the second axle. Mount 802 interferes. When the first through slot 503 is formed on the middle case 50 , the two groups of second control board connecting posts 304 are located on both sides of the first through slot 503 respectively.

In addition to the above-mentioned positions of the second control board connecting column 304 , in some embodiments, the second control board connecting column 304 is disposed on the lower side of the second upper casing 30 . More specifically, the second component group includes the second control board 5. The second control board 5 is arranged below the middle shell 50, the middle shell 50 is provided with a second through slot 504, the second upper shell 30 is provided with a second control board connecting column 304, and the second control board connecting column 304 It is connected to the second control board 5 through the second through groove 504 . In this way, the structure of the middle shell 50 can be simplified, the installation of the second upper shell 30 and the middle shell 50 is more convenient, and there is no assembly error; The connection of 50 is tighter, which is beneficial to improve the mechanical strength of the second body 2, thereby improving the stability of the balance vehicle as a whole; at the same time, the second control board connecting column can also limit the position of the middle shell. In order to make the installation of the second control board 5 more secure, the second control board connecting column 304 includes two groups, and the two sets of the second control board connecting column 304 are respectively arranged on both sides of the second axle mounting seat 802, so that the second control board 5 does not interfere with the second axle mount 802. At this time, the second axle mounting seat 802 is located on the lower side of the middle shell 50, the second through grooves 504 correspond to the second control board connecting columns 304, and the number is also two, and the two second through grooves 504 are located in the second through grooves 504 respectively. On both sides of the axle mounting seat 802 , the second control panel connecting column 304 is located on both sides of the second axle mounting seat 802 after passing through the second through groove 504 .

In practical application, the installation positions of the first wheel 70 and the second wheel 80 can be combined with each other, for example, when the first wheel 70 is connected with the first upper shell 10, the second wheel 80 can be connected with the second upper shell 30, and also It can be connected with the middle shell 50 or with the second lower shell 40; when the first wheel 70 is connected with the first lower shell 20, the second wheel 80 can be connected with the second upper shell 30 or with the middle shell 50, The second lower case 40 can also be used. The axes of the first axle 701 of the first wheel 70 coincide with the axes of the second axle 801 of the second wheel 80 to ensure that the two wheels rotate concentrically and the balance car runs more stably.

When the first wheel and the second wheel rotate, it is easy to roll up debris or water. If the debris or water enters the first vehicle body 1 or the second vehicle body 2, it is easy to make the first vehicle body 1 and the second vehicle body. The electronic components in 2 are damaged, which affects the normal operation of the self-balancing vehicle and poses a safety hazard. Based on the above embodiment, the first wheel is mainly connected to the first vehicle body 1 by the first axle, and the second wheel is mainly connected to the second vehicle body 2 by the second axle. sealing work. Taking the connection between the second axle and the second vehicle body 2 as an example, the side of the second upper shell 30 close to the second wheel is provided with a first wheel baffle 305, and the side of the second lower shell 40 close to the second wheel is provided with a first wheel baffle 305. The second wheel baffle 403 , the first wheel baffle 305 and the second wheel baffle 403 are correspondingly arranged to form an axle seal, that is, the seal of the second axle. More specifically, the first wheel baffle 305 and the second wheel baffle 403 abut against each other after the second upper shell 30 and the second lower shell 40 are installed close together, leaving only the second axle for the second axle to pass through and rotate. The second axle hole may be provided on the first wheel guard 305 or on the second wheel guard 403 . In the specific example shown in FIG. 1 , the second axle slot 404 is arranged on the upper edge of the second wheel baffle 403 , and after the first wheel baffle 305 and the second wheel baffle 403 are in contact, a complete first wheel baffle 403 is formed. Two axle holes, the shape of the second axle hole is adapted to the second axle.

The axle seal between the first wheel and the first vehicle body 1 may adopt the same sealing method, or may adopt other conventional sealing structures. More specifically, the first wheel 70 includes a first axle 701 , a side of the first upper shell 10 close to the first wheel 70 is provided with a third wheel baffle 103 , and a side of the first lower shell 20 close to the first wheel 70 A fourth wheel baffle 202 is provided, and the third wheel baffle 103 and the fourth wheel baffle 202 are correspondingly arranged to form a seal on the first axle 701 . The third wheel baffle 103 and the fourth wheel baffle 202 abut against each other after the first upper shell 10 and the first lower shell 20 are installed close together, leaving only the first axle hole for the first axle to pass through and rotate. The hole can be set on the first wheel baffle 305 or on the second wheel baffle 403, and the first axle hole can be formed by the first axle slot 203 and the third wheel baffle 103 or the first axle slot 203 and the first axle slot 203 and the third wheel baffle 103. Four wheel guards 202 are formed. More specifically, in the specific example shown in FIG. 1 , the first axle slot 203 is provided on the upper edge of the third wheel baffle 103 , and after the third wheel baffle 103 and the fourth wheel baffle 202 are in contact , forming a complete first axle hole, and the shape of the first axle hole is adapted to the first axle.

In some embodiments, in order to better locate the middle shell 50, one end of the middle shell 50 is abutted against the first wheel baffle 305 to position the middle shell 50 and limit the position of the middle shell 50. More specifically, the side of the middle shell 50 close to the first wheel baffle 305 is a plane, and the plane is in contact with the inner wall of the first wheel baffle 305 , and the second axle mounting seat 802 on the middle shell 50 is connected to the second axle hole. Correspondingly, the second axle mounting groove and the second axle hole are arranged concentrically. Preferably, a reinforcing rib is provided on the first wheel baffle 305 to strengthen the mechanical strength of the first wheel baffle 305 , and the plane on the middle shell 50 is in contact with the reinforcing rib.

Preferably, in some embodiments, the first vehicle body 1 and the second vehicle body 2 are provided with fenders, and the fenders are respectively arranged corresponding to the first wheel and the second wheel to prevent the first wheel and the second wheel Splashing sewage or stains during driving will affect the user's experience. More specifically, the first component group further includes a first fender 104, which is arranged on the outer side of the first upper shell 10 and is located above the first wheel 70, and the first fender 104 and the first fender 104 The upper shell 10 is an integral structure; the second component group further includes a second fender 306, which is arranged on the outer side of the second upper shell 30 and above the second wheel 80. The second fender 306 and the second upper casing 30 are integrally formed. In some embodiments, fenders are provided on both the first vehicle body 1 and the second vehicle body 2 to improve user experience.

In order to facilitate the user to step on, the first component group includes a first pedal 6, and the second component group includes a second pedal 7. As shown in the drawings, the first pedal 6 is arranged on the first upper shell 10, and the second pedal 7 is arranged on the on the second upper case 30 or the middle case 50 . For the specific structure of the first pedal 6 and the second pedal 7: the first pedal 6 is an integrated pedal, which is convenient for processing and installation, or includes a pedal leather and a pedal to enhance the tactile feeling of stepping; the second pedal 7 is an integrated pedal Pedals for easy processing and installation, or, including pedals and pads to enhance the feel of pedaling.

In order to conveniently control the first vehicle body 1 and the second vehicle body 2, one or both of the first pedal 6 and the second pedal 7 can move relative to the first vehicle body 1 and the second vehicle body 2, thereby triggering the photoelectric switch , so that the balance car starts to work. More specifically, in some embodiments, the first pedal 6 is movably arranged on the first upper shell 10 , and a first photoelectric switch 90 is arranged below the first pedal 6 . After the first pedal 6 is loaded, it moves down to trigger the The first photoelectric switch 90, the first control board 4 controls the operation of the first vehicle body 1, at this time, the first photoelectric switch 90 can be directly arranged on the first control board 4, or can be independently arranged on the first upper shell 10, The specific setting method will be described in the following embodiments. In other embodiments, the second pedal 7 is movably arranged on the second upper shell 30, and a second photoelectric switch 901 is provided below the second pedal 7. After the second pedal 7 bears a load, it moves down to trigger the second photoelectric switch. 901, the second control board 5 controls the second vehicle body 2 to work. At this time, the second photoelectric switch 901 can be directly set on the second control board 5, or can be set on the second upper shell 30 independently. The manner will be described in the following examples. Of course, in some embodiments, both the first pedal 6 and the second pedal 7 can be movable to control the balance car at the same time, and the above embodiments can be combined.

For the embodiment in which the first pedal 6 is movably arranged on the first upper shell 10, more specifically, the first upper shell is provided with a first pedal mounting groove 108 for placing the first pedal, and at the same time, the first upper shell 10 is provided with a first pedal installation hole 105, the first pedal installation hole is located in the first pedal installation groove 108, the first pedal 6 is set on the first upper shell 10 through the first pedal installation hole 105; The lower surface is provided with a first movable column 61, and the first movable column 61 passes through the first pedal mounting hole 105 and then is movably clamped with the lower surface of the first upper shell 10 to prevent the first pedal 6 from being separated from the first upper shell 10, and The length of the first movable column 61 is greater than the thickness of the first pedal mounting hole 105 , so that the first movable column 61 can shuttle in the first pedal mounting hole 105 , so that the first pedal 6 can move up and down relative to the first upper shell 10 .

Preferably, the first movable column 61 includes a guide portion and a snap portion, the guide portion is adapted to the first pedal mounting hole 105 and can move up and down in the first pedal mounting hole 105, and the snap portion is used to connect with the first pedal mounting hole 105. The lower surface of the upper shell 10 is movably snapped. There are various structures of the guide portion and the clip portion. The length of the guide portion determines the movable range of the first pedal 6 relative to the first upper shell 10. More specifically, the movable range of the first pedal 6 can be limited to 1 mm to 10mm.

For the embodiment in which the second pedal 7 is movably arranged on the second upper shell 30, the second vehicle body 2 is provided with a middle shell 50. Therefore, there are various ways to install the second pedal 7.

In one embodiment, the second upper shell is provided with a second pedal installation slot 311 for placing the second pedal, and at the same time, the second upper shell 30 is provided with a first mounting hole 307 for the second pedal, and the second pedal first The mounting hole 307 is located in the second pedal mounting groove 311 , the second pedal 7 includes a movable connection fixing post 71 , and the movable connection fixing post 71 is matched and connected with the first installation hole 307 of the second pedal, corresponding to the position of the first installation hole 307 of the second pedal , the middle shell 50 is provided with a second mounting hole 505 of the second pedal; the movable connection fixing post 71 is matched with the first mounting hole 307 of the second pedal and the second mounting hole 505 of the second pedal, so that the second pedal 7 is movably fixed on the second pedal on the upper shell 30. Preferably, the movable connection fixing post 71 includes a guide portion and a clip portion, the guide portion is matched with the first installation hole 307 of the second pedal and the second installation hole 505 of the second pedal, and can be installed in the first installation hole of the second pedal. 307 and the second mounting hole 505 of the second pedal move up and down, and the engaging portion is used for engaging with the lower surface of the middle shell 50 movably. There are various structures of the guide portion and the clip portion. The length of the guide portion determines the range of movement of the second pedal 7 relative to the second upper shell 30. More specifically, the range of movement of the second pedal 7 can be limited to 1 mm to 10mm.

In another embodiment, the second pedal 7 is disposed on the middle shell, the second upper shell 30 is provided with a through hole 308 at a position corresponding to the second pedal 7 , and the second pedal 7 is connected to the middle shell 50 through the through hole 308 , the through hole 308 is arranged on the second upper shell 30, not only the second pedal 7 can be directly connected with the middle shell 50, the assembly process is simpler; the material of the second upper shell 30 can also be saved, and the cost can be reduced; the weight of the human body can be reduced. Act directly on the middle shell instead of going through the second upper shell. More specifically, the middle shell 50 is provided with a second mounting hole 505 for the second pedal, and the second pedal 7 includes an articulating fixing post 71; In cooperation, the second pedal 7 is movably fixed on the middle shell 50 . Preferably, the movable connection fixing post 71 includes a guide portion and a snap portion. The guide portion is adapted to the second mounting hole 505 of the second pedal and can move up and down in the second mounting hole 505 of the second pedal. It is movably connected to the lower surface of the middle shell 50 . There are various structures of the guide portion and the clamping portion. The length of the guide portion determines the range of movement of the second pedal 7 relative to the second upper shell 30. More specifically, the range of movement of the second pedal 7 can be limited to 1 mm to 10mm. Preferably, the thickness of the middle shell 50 is set to be greater than the thickness of the second upper shell 30. Since the second pedal 7 is directly movably connected with the middle shell 50, when a person steps on the second pedal 7, the force can be directly transmitted to the middle shell 50. Above, the shell thickness of the middle shell 50 is larger than that of the second upper shell 30, so it has higher mechanical strength and can bear higher weight.

Based on the above embodiment, when the first pedal 6 is movably arranged on the first upper casing 10 , the first component group includes a first photoelectric switch 90 , and a position corresponding to the first photoelectric switch 90 on the lower surface of the first pedal 6 is provided The first contact 62, after the first pedal 6 bears and moves down, the first contact 62 triggers the first photoelectric switch 90, thereby controlling the work of the balance car. The first pedal 6 and the first upper casing 10 have various structures according to different arrangement positions of the first photoelectric switch 90 , which will be described by way of example below.

In one embodiment, the first photoelectric switch 90 is disposed on the first control board 4, and the first control board 4 is located under the first upper casing 10; Below, not provided on the first control board. The first contact 62 is arranged on the contact post 904 on the lower surface of the first pedal 6, the first upper shell 10 is provided with a contact through hole 902, and a spring is arranged in the contact through hole 902, and the spring can be sleeved on the contact. The point post 904 is in contact with the bottom convex edge of the contact through hole 902 to realize the reset of the first pedal 6 .

In another embodiment, the first photoelectric switch 90 is independently disposed on the first upper casing 10, and is located below the first pedal 6, and the first photoelectric switch 90 is electrically connected to the first control board 4 through a connector to transmit electrical signals , the first contact 62 is arranged on the lower surface of the first pedal 6, when a person stands on the first pedal 6 or receives force, the first pedal 6 is pressed down to trigger the first photoelectric switch 90, and the signal is transmitted to the first photoelectric switch 90. A first control panel 4 under the upper shell 10 controls the balance car to start working. More specifically, in order to fix the first photoelectric switch 90 , the first upper case 10 is provided with an installation groove 903 for installing the first photoelectric switch 90 , and the first photoelectric switch 90 is placed in the installation groove 903 . Preferably, the depth of the installation groove 903 is greater than or equal to the height of the first photoelectric switch 90 to avoid squeezing or damaging the first photoelectric switch 90 when the first pedal 6 moves relative to the first upper casing 10 . There is a first wire hole 9031 on the side of the connector for connecting pieces to pass through. At the same time, in order to facilitate the reset after the first pedal 6 is pressed down, the first pedal 6 is provided with a contact post for installing a spring, and the first upper shell 10 is provided with a movable mounting hole, and the contact post is adapted to the movable mounting hole, One end of the spring is connected with the contact post, and the other end is connected with the movable mounting hole, so as to realize the rebound of the first pedal 6 . The contact post is located on the lower surface of the first pedal 6, and at the same time, the spring is arranged around the contact post in the movable mounting hole, the movable mounting hole is a non-through hole, and one end of the spring is in contact with the bottom wall of the movable mounting hole. In other embodiments, the movable mounting hole can be a through hole, and the bottom of the movable mounting hole is provided with a convex edge against the spring, so that the spring can be stretched between the convex edge and the first pedal 6, and the movable mounting hole The through holes may have other functions, such as facilitating maintenance of components in the first upper casing 10 or allowing contacts of other photoelectric switches to pass through, etc. In this case, the movable mounting holes are contact through holes 902 .

Based on the above-mentioned embodiment, when the second pedal 7 is movably arranged on the second upper casing 30, the second component group includes a second photoelectric switch 901, and a position corresponding to the second photoelectric switch 901 on the lower surface of the second pedal 7 is provided The second contact 72, after the second pedal 7 moves down under the load, the second contact 72 triggers the second photoelectric switch 901, thereby controlling the work of the balance car. For the different setting positions of the second photoelectric switch 901 , the second pedal 7 , the middle casing 50 and the second upper casing 30 have various structures, which will be described by way of example below.

In one embodiment, the second pedal 7 is arranged on the second upper casing 30, the second photoelectric switch 901 is arranged on the second control board 5, the second control board 5 is located under the middle casing 50, and the second contact 72 The contact post 904 is arranged on the lower surface of the second pedal 7, the second upper shell 30 is provided with a contact hole 309, the middle shell 50 is provided with a contact through hole 902, the contact through hole 902 and the contact hole 309 Corresponding to the contact point, the contact point corresponds to the position of the second photoelectric switch 901 , and the contact point passes through the contact hole 309 and the contact through hole 902 in sequence to trigger the second photoelectric switch 901 . In order to make the second pedal 7 move up and down relative to the second upper casing 30 and the middle casing 50, the bottom of the contact through hole 902 is provided with a convex edge, and the upper part of the convex edge is provided with a spring. The other end is connected to the contact post 904 on the pedal for resetting the second pedal 7 .

In another embodiment, as shown in FIG. 19 and FIG. 20 , the second pedal 7 is arranged on the second upper casing 30 , and the second photoelectric switch 901 is independently arranged on the second upper casing 30 and is located on the second pedal 7 Below, the second control board 5 is located below the middle shell 50 , the second photoelectric switch 901 is electrically connected to the second control board 5 through a connector to transmit electrical signals, and the second contact 72 is provided on the lower surface of the second pedal 7 , when a person stands on the second pedal 7 or receives force, the second pedal 7 can be pressed down to trigger the second photoelectric switch 901, and the signal is transmitted to the second control board 5 under the middle shell 50 to control the balance car to start working . More specifically, in order to fix the second photoelectric switch 901 , the second upper casing 30 is provided with a mounting groove 903 for mounting the second photoelectric switch 901 , and the second photoelectric switch 901 is placed in the mounting groove 903 . Preferably, the depth of the installation groove 903 is greater than or equal to the height of the second photoelectric switch 901 , so as to avoid squeezing and damaging the second photoelectric switch 901 when the second pedal 7 moves relative to the second upper casing 30 . At this time, a second wire hole 9032 is provided in the installation groove 903 or on the side of the installation groove 903, and a first through groove 503 is formed on the middle shell 50, and the connecting piece can pass through the second wire hole 9032 and the first wire in sequence. The through groove 503 is connected to the second control board 5 .

In another embodiment, the second pedal 7 is arranged on the middle case 50, the second photoelectric switch 901 is arranged on the second control board 5, the second control board 5 is located under the middle case 50, and the second contact 72 is arranged On the contact post 904 on the lower surface of the second pedal 7, the middle shell 50 is provided with a contact through hole 902, the second contact 72 corresponds to the position of the second photoelectric switch 901, and the second contact 72 passes through the contact The hole 902 triggers the second photoelectric switch 901 . In order to make the second pedal 7 move up and down relative to the second upper casing 30 and the middle casing 50, the bottom of the contact through hole 902 is provided with a convex edge, and the upper part of the convex edge is provided with a spring. The other end is connected to the contact post 904 on the pedal for resetting the second pedal 7 .

In another embodiment, as shown in FIG. 17 and FIG. 18 , the second pedal 7 is arranged on the middle casing 50 , and the second photoelectric switch 901 is independently arranged on the middle casing 50 and is located below the second pedal 7 , The second photoelectric switch 901 is electrically connected to the second control board 5 through a connector to transmit electrical signals. The second control board 5 is located under the middle shell 50 , and the second contact 72 is provided on the lower surface of the second pedal 7 . When a person stands on the pedal 7 or is stressed, the second pedal 7 is pressed down to trigger the second photoelectric switch 901, and the signal is transmitted to the second control board 5 under the middle shell 50 to control the balance car to start working. More specifically, in order to fix the second photoelectric switch 901 , the middle case 50 is provided with an installation groove 903 for installing the second photoelectric switch 901 , and the second photoelectric switch 901 is placed in the installation groove 903 . Preferably, the depth of the installation groove 903 is greater than or equal to the height of the second photoelectric switch 901 to avoid squeezing or damaging the second photoelectric switch 901 when the second pedal 7 moves relative to the second upper casing 30; the installation groove 903 or the installation groove 903 There is a third wire hole 9033 on the side of the , and the connecting piece is connected to the second control board 5 through the third wire hole 9033 . At the same time, in order to facilitate the reset after the second pedal 7 is pressed down, the second pedal 7 is provided with a contact post for installing a spring, the middle shell 50 is provided with a movable mounting hole, and the second upper shell 30 is provided with a second The through hole 308 through which the pedal 7 passes, the contact column is adapted to the movable mounting hole, one end of the spring is connected or abutted with the contact column, and the other end is connected or abutted with the movable mounting hole, so as to realize the rebound of the second pedal 7 and contact the contact column. The point column passes through the movable installation hole, moves up and down in the movable installation hole, and drives the second pedal 7 to reset under the action of the spring. The contact post is located on the lower surface of the second pedal 7, and at the same time, the spring is arranged around the contact post in the movable mounting hole. The movable mounting hole is a non-through hole, and one end of the spring is in contact with the bottom wall of the movable mounting hole. In other embodiments, as shown in Fig. 18 and Fig. 39, the movable mounting hole can be a through hole, and the bottom of the movable mounting hole is provided with a protruding edge against the spring, so that the spring can be installed between the protruding edge and the second The pedals 7 are telescopic, and the through holes in the movable mounting holes can have other functions, such as facilitating maintenance of components in the middle shell 50 or allowing contacts of other photoelectric switches to pass through, etc. At this time, the movable mounting holes are contact through holes.

In some embodiments, the first vehicle body 1 and the second vehicle body 2 are required to rotate relative to each other, so as to control the operation of the balancing vehicle. Therefore, the balancing vehicle further includes a rotating mechanism 3, and one end of the rotating mechanism 3 is connected to the first vehicle body 1. The other end is connected to the second vehicle body 2, and there are many specific ways and structures of the connection, and several of the connection ways will be described below with examples.

In one embodiment, the second end 32 of the rotating mechanism 3 is rotatably disposed in the second vehicle body 2, the first end 31 is fixedly disposed in the first vehicle body 1, and the first end 31 of the rotating mechanism 3 is fixedly disposed in the first vehicle body 1. Between the upper shell 10 and the first lower shell 20, the second end 32 of the rotating mechanism 3 is rotatably disposed between the middle shell 50 and the second lower shell 40, the middle shell 50 and/or the second lower shell 40 A limit mechanism is provided on the upper part. The rotation mechanism 3 includes a rotation shaft 33 and a limit mechanism. The limit mechanism is matched with the limit part 34 on the rotation shaft 33 to limit the rotation angle of the rotation shaft 33 . The first vehicle body 1 and the second vehicle body 2 rotate around the axis of the rotating shaft 33 . The limit mechanism includes a limit block 37 and a limit block installation groove 38. The limit block installation groove 38 can be set on the second lower shell 40, or on the middle shell 50, or the second lower shell 40 and the middle shell. 50 are provided with limit block installation grooves 38 . In the specific example shown in FIG. 1 , FIG. 4 and FIG. 34 , the limiting block mounting groove 38 is provided on the second lower shell 40 . One end of the rotating shaft 33 between the middle shell 50 and the second lower shell 40 is provided with a limit portion 34 , the limit portion 34 includes a limit boss with a notch, and the limit block 37 is a limit corresponding to the limit boss. When the rotating shaft 33 rotates, the top surface of the limiting piece can collide with the two ends of the limiting boss respectively, so as to limit the rotation angle of the rotating shaft 33 .

In order to realize the positioning of the second end 32 of the rotating mechanism 3, the middle shell 50 is provided with a rotating upper connecting groove 507, and the second lower shell 40 is provided with a rotating lower connecting groove 405 at the position corresponding to the rotating upper connecting groove 507, and the rotating mechanism 3 can be rotated. It is arranged between the rotating upper connecting groove 507 and the rotating lower connecting groove 405. The rotating mechanism 3 includes a rotating shaft 33. In order to realize the rotating connection between the rotating shaft 33 and the rotating upper connecting shaft and the rotating lower connecting shaft, the rotating shaft 33 is placed in the middle shell 50 and the first One end between the two lower shells 40 is sleeved with a second sleeve or bearing 35, and in order to install the bearing 35 or the sleeve, a limit groove is provided in the rotating upper connecting shaft and the rotating lower connecting shaft. When the bearing 35 is sleeved on the rotating shaft 33, the rotating upper connecting groove 507 and the rotating lower connecting groove 405 are provided with bearing limiting grooves; when the rotating shaft 33 is sleeved with the second sleeve, the rotating upper connecting groove 507 and A sleeve limiting groove is provided in the lower rotating connecting groove 405 . The rotating shaft 33 can rotate in the second sleeve or bearing 35, so that the first vehicle body 1 and the second vehicle body 2 can rotate relative to each other.

The first vehicle body 1 and the second vehicle body 2 are connected by the rotating mechanism 3, and in order to facilitate the user to observe the working condition of the balancing vehicle, the balancing vehicle also includes an indicator light board 508, which is connected to the control circuit board, and can be passed through the indicator light board 508. The light-emitting device on it feeds back the working status of the balance car. In order to keep the pedaling balance of the balance car, the first car body 1 and the second car body 2 are provided with pedals for users to step on. The connection point of the second vehicle body 2 , that is, the position corresponding to the rotating mechanism 3 , as shown in FIG. 1 , the indicator light plate 508 is arranged below the relative position of the middle shell 50 and the rotating shaft 33 , more specifically, on the rotating shaft 33 . inside the connecting groove 507 . A lamp board post 5081 and a first indicator light hole 5082 are provided in the rotating upper connecting groove 507, and a second indicator light hole 3101 is provided in the position corresponding to the first indicator light hole 5082 on the second upper shell 30. The light board post 5081 is used for The indicator light plate 508 is installed. The first indicator light hole 5082 and the second indicator light hole 3101 are used to transmit light through the light emitting device on the indicator light plate 508 , and the position of the indicator light hole corresponds to the light emitting device on the indicator light plate 508 . The light-emitting device can be LED lamp beads or other small lamps. The second indicator hole 3101 is covered with a lamp cover 3102 .

In another embodiment, the second end 32 of the rotating mechanism 3 is rotatably disposed in the second vehicle body 2 , the first end 31 is fixedly disposed in the first vehicle body 1 , and the first end 31 of the rotating mechanism 3 is fixedly disposed in the first vehicle body 1 . Between the first upper shell 10 and the first lower shell 20, the second end 32 of the rotating mechanism 3 is rotatably arranged in the middle shell 50, the middle shell 50 is provided with a cylindrical portion at a corresponding position, and the rotating mechanism 3 can be rotated in the cylindrical shape. Internal rotation. More specifically, the cylindrical part is the first sleeve 506, which is a complete hollow cylindrical structure and is adapted to the rotating mechanism 3, and the rotating part can rotate relative to the second vehicle body 2 in the first sleeve 506, The complete hollow cylindrical structure can make the rotating parts more stable during rotation and avoid shaking. Compared with other embodiments, the installation groove of the second end of the rotating mechanism 3 is jointly formed by the upper shell and the lower shell. If there is an error in the production or installation process, the installation groove formed by the upper shell and the lower shell may be dislocated or there may be inconsistencies. Correspondingly, if the inner wall is not smooth, the rotating parts will shake during the rotation process, so that the balance car cannot run stably. Therefore, the above problem can be solved by rotatably disposing one end of the rotating member in the first sleeve 506, and the stable operation of the balancing vehicle can be ensured. Additional sleeves can also be arranged in the first sleeve to optimize the rotational connection structure between the second end of the rotating mechanism and the first sleeve.

The second upper shell 30 and the second lower shell 40 are provided with first sleeve mounting grooves 406 corresponding to the first sleeve 506 . After the middle shell 50 and the second upper shell 30 and/or the second lower shell 40 are fixed, The first sleeve 506 is fixed in the first sleeve installation groove 406, and one end of the rotating shaft 33 passes through the first sleeve 506 and can rotate in the first sleeve 506; The sleeve 36 is located on one or both sides of the first sleeve 506, and is in contact with the side wall of the first sleeve 506, so as to limit the movement of the rotating shaft 33 in the first sleeve 506, and restrict one end of the rotating shaft 33 to the first sleeve 506. in the barrel 506. In the specific example shown in FIG. 6 , the limiting sleeve 36 is a circlip, which is clamped on both sides of the first sleeve 506 ; since the circlip protrudes from the rotating shaft 33 , the first sleeve installation groove 406 is provided with The limiting sleeve groove 4061 of the limiting sleeve 36 is accommodated to prevent the rotating shaft 33 from interfering and colliding with the second lower shell 40 during the rotation process.

In order to prevent the first vehicle body 1 and the second vehicle body 2 from running out of control during relative rotation, it is necessary to limit the relative rotation angle of the first vehicle body 1 and the second vehicle body 2. Therefore, the rotating mechanism 3 includes a rotating shaft 33 and a limit component. The limit assembly includes a limit block 37 and a limit block mounting slot 38 , and the limit block 37 is adapted to the limit portion 34 on the rotating shaft 33 to limit the rotation angle of the rotating shaft 33 . The limit block 37 is located in the second vehicle body 2, and the limit block installation groove 38 is arranged on the middle shell 50 or the second lower shell 40; the limit part 34 is exposed on the first sleeve 506, and the limit block installation groove 38 is located in the middle shell 50 or the second lower shell 40; The first sleeve 506 faces the side of the wheel. More specifically, the first vehicle body 1 and the second vehicle body 2 rotate on the axis of the rotation shaft 33 . In the specific example shown in FIG. 6 , the second lower shell 40 is provided with a limit block installation groove 38 for installing the limit block 37 . One end of the rotating shaft 33 between the middle shell 50 and the second lower shell 40 is provided with a limit portion 34 , the limit portion 34 includes a limit boss with a notch, and the limit block 37 is a limit corresponding to the limit boss. When the rotating shaft 33 rotates, the top surface of the limiting piece can collide with the two ends of the limiting boss respectively, so as to limit the rotation angle of the rotating shaft 33 .

The first vehicle body 1 and the second vehicle body 2 are connected by the rotating mechanism 3, and in order to facilitate the user to observe the working condition of the balancing vehicle, the balancing vehicle also includes an indicator light board 508, which is connected to the control circuit board, and can be passed through the indicator light board 508. The light-emitting device on it feeds back the working status of the balance car. In order to keep the pedaling balance of the balance car, the first car body 1 and the second car body 2 are provided with pedals for users to step on. The connection point of the second vehicle body 2, that is, the position corresponding to the rotating mechanism 3, as shown in FIG. 5 and FIG. 6, the indicator light plate 508 is arranged above the relative position of the second upper shell 30 and the rotating shaft 33, and can be screwed It is fixed with the second upper casing 30 . The second upper casing 30 is provided with a second indicator hole 3101 at a position corresponding to the second end 32 of the rotating mechanism 3 . The position of the second indicator hole 3101 corresponds to the light emitting device on the indicator plate 508 . The light-emitting device can be LED lamp beads or other small lamps. The second indicator hole 3101 is covered with a lamp cover 3102 . In practical application, the indicator light plate 508 and the second indicator light hole 3101 can be arranged at the position corresponding to the first vehicle body 1 and the connecting piece, such as the position corresponding to the first upper shell 10 and the connecting piece, without affecting the indicator light The board 508 can be used normally.

In another embodiment, the second end 32 of the rotating mechanism 3 is rotatably disposed in the second vehicle body 2 , the first end 31 is fixedly disposed in the first vehicle body 1 , and the first end 31 of the rotating mechanism 3 is fixedly disposed in the first vehicle body 1 . Between the first upper shell 10 and the first lower shell 20, the second end 32 of the rotating mechanism 3 is rotatably arranged in the second lower shell 40, and the second lower shell 40 is provided with a cylindrical portion at a corresponding position, and the rotating mechanism 3 It can be rotated in the cylindrical part. More specifically, the cylindrical part is the first sleeve 506, which is a complete hollow cylindrical structure and is adapted to the rotating mechanism 3, and the rotating part can rotate relative to the second vehicle body 2 in the first sleeve 506, The complete hollow cylindrical structure can make the rotating parts more stable during rotation and avoid shaking. Compared with other embodiments, the installation groove of the second end 32 of the rotating mechanism 3 is jointly formed by the upper shell and the lower shell. If there is an error in the production or installation process, the installation groove formed by the upper shell and the lower shell may be dislocated or dislocated. If there is no correspondence and the inner wall is not smooth, the rotating parts will shake during the rotation process, so that the balance car cannot run stably. Therefore, the above problem can be solved by rotatably disposing one end of the rotating member in the first sleeve 506, and the stable operation of the balancing vehicle can be ensured. Of course, the cylindrical portion can also be provided at a position corresponding to the second upper shell 30 and the rotating mechanism 3 , and other structures are consistent with this embodiment.

The middle shell 50 is provided with a first sleeve installation groove 406 corresponding to the first sleeve 506 , and the second upper shell 30 is provided with a cover portion 310 corresponding to the first sleeve installation groove 406 , and the cover portion 310 is provided in the cover. Outside the first sleeve installation groove 406, after the middle case 50 is fixed with the second upper case 30 and/or the second lower case 40, the first sleeve 506 is fixed in the first sleeve installation groove 406, one end of the rotating shaft 33 It passes through the first sleeve 506 and can be rotated in the first sleeve 506; the rotating shaft 33 is sleeved with a limit sleeve 36, the limit sleeve 36 is located on one side or both sides of the first sleeve 506, and is connected with the first sleeve 506. The side walls of the cylinders 506 are abutted against each other to limit the movement of the rotating shaft 33 in the first sleeve 506 , and restrict one end of the rotating shaft 33 in the first sleeve 506 . In the specific example shown in FIG. 7 and FIG. 8 , the limiting sleeve 36 is a circlip, which is clamped on both sides of the first sleeve 506 ; since the circlip protrudes from the rotating shaft 33 , the first sleeve is installed in the groove. 406 is provided with a limit sleeve groove 4061 for accommodating the limit sleeve 36 to prevent the rotating shaft 33 from interfering and colliding with the second lower shell 40 during the rotation process. displacement.

In order to prevent the first vehicle body 1 and the second vehicle body 2 from running out of control during relative rotation, the relative rotation angle of the first vehicle body 1 and the second vehicle body 2 needs to be limited. A limiting mechanism is provided on 40 , the rotating mechanism 3 includes a rotating shaft 33 and a limiting mechanism, and the limiting mechanism is adapted to the limiting portion 34 on the rotating shaft 33 to limit the rotation angle of the rotating shaft 33 . The first vehicle body 1 and the second vehicle body 2 rotate around the axis of the rotating shaft 33 . The limit mechanism includes a limit block 37 and a limit block installation groove 38. The limit block installation groove 38 can be set on the second lower shell 40, or on the middle shell 50, or the second lower shell 40 and the middle shell. 50 are provided with limit block installation grooves 38 . In the specific example shown in FIG. 7 and FIG. 8 , the limiting block mounting groove 38 is provided on the second lower shell 40 . One end of the rotating shaft 33 between the middle shell 50 and the second lower shell 40 is provided with a limit portion 34 , the limit portion 34 includes a limit boss with a notch, and the limit block 37 is a limit corresponding to the limit boss. When the rotating shaft 33 rotates, the top surface of the limiting piece can collide with the two ends of the limiting boss respectively, so as to limit the rotation angle of the rotating shaft 33 .

The first vehicle body 1 and the second vehicle body 2 are connected by the rotating mechanism 3, and in order to facilitate the user to observe the working condition of the balancing vehicle, the balancing vehicle also includes an indicator light board 508, which is connected to the control circuit board, and can be passed through the indicator light board 508. The light-emitting device on it feeds back the working status of the balance car. In order to keep the pedaling balance of the balance car, the first car body 1 and the second car body 2 are provided with pedals for users to step on. The connection point of the second vehicle body 2, that is, the position corresponding to the rotating mechanism 3, as shown in FIG. 7 and FIG. 8, the indicator light plate 508 is arranged below the relative position of the middle shell 50 and the rotating shaft 33, more specifically , located in the first sleeve installation groove 406 . The first sleeve mounting groove 406 is provided with a lamp board post 5081 and a first indicator light hole 5082, and the second upper shell 30 is provided with a second indicator light hole 3101 at a position corresponding to the first indicator light hole 5082, and the light board post 5081 It is used to install the indicator light board 508. The first indicator light hole 5082 and the second indicator light hole 3101 are used to transmit light from the light-emitting devices on the indicator light board 508. The positions of the first indicator light hole 5082 and the second indicator light hole 3101 are the same as The light emitting devices on the indicator board 508 correspond. The light-emitting device can be LED lamp beads or other small lamps. The second indicator hole 3101 is covered with a lamp cover 3102 .

In another embodiment, the second end 32 of the rotating mechanism 3 is rotatably disposed in the second vehicle body 2 , the first end 31 is fixedly disposed in the first vehicle body 1 , and the first end 31 of the rotating mechanism 3 is fixedly disposed in the first vehicle body 1 . Between the first upper shell 10 and the first lower shell 20, the second end 32 of the rotating mechanism 3 is rotatably sandwiched between the second upper shell 30 and the second lower shell 40, and the second upper shell 30 and/or Or a limiting mechanism is provided on the second lower shell 40 . The limiting mechanism is adapted to the limiting portion 34 on the rotating shaft 33 to limit the rotation angle of the rotating shaft 33 . The first vehicle body 1 and the second vehicle body 2 rotate around the axis of the rotating shaft 33 as the center of the circle. The limit mechanism includes a limit block 37 and a limit block installation groove 38 , and the limit mechanism is located between the second upper shell 30 and the second lower shell 40 , therefore, the limit block installation groove 38 can be set in the second lower shell 40 It can also be provided on the lower surface of the second upper shell 30 , and the limit block mounting grooves 38 can also be provided on both the second lower shell 40 and the second upper shell 30 . In the specific example shown in FIG. 9 and FIG. 10 , the limiting block mounting groove 38 is provided on the second lower shell 40 . One end of the rotating shaft 33 between the middle shell 50 and the second lower shell 40 is provided with a limit portion 34 , the limit portion 34 includes a limit boss with a notch, and the limit block 37 is a limit corresponding to the limit boss. When the rotating shaft 33 rotates, the top surface of the limiting piece can collide with the two ends of the limiting boss respectively, so as to limit the rotation angle of the rotating shaft 33 .

A second sleeve (not shown) or a bearing 35 is sleeved on one end of the rotating shaft 33 placed between the second upper shell 30 and the second lower shell 40 . Correspondingly, the second upper shell 30 is provided with a rotating upper connection Slot 507, the second lower shell 40 is provided with a rotating lower connecting groove 405, the rotating upper connecting groove 507 and the rotating lower connecting groove 405 are oppositely arranged, and in order to install the bearing 35 or the second sleeve, the rotating upper connecting groove 507 and the rotating lower connecting groove 507 are arranged opposite to each other. The connecting groove 405 is provided with a limit groove. More specifically, when the bearing 35 is sleeved on the rotating shaft 33, the rotating upper connecting groove 507 and the rotating lower connecting groove 405 are provided with bearing limit grooves; When the second sleeve is provided, there are sleeve limiting grooves in the rotating upper connecting groove 507 and the rotating lower connecting groove 405 . The rotating shaft 33 can rotate in the second sleeve or bearing 35, so that the first vehicle body 1 and the second vehicle body 2 can rotate relative to each other.

The first vehicle body 1 and the second vehicle body 2 are connected by the rotating mechanism 3, and in order to facilitate the user to observe the working condition of the balancing vehicle, the balancing vehicle also includes an indicator light board 508, which is connected to the control circuit board, and can be passed through the indicator light board 508. The light-emitting device on it feeds back the working status of the balance car. In order to keep the pedaling balance of the balance car, the first car body 1 and the second car body 2 are provided with pedals for users to step on. As shown in FIG. 9 and FIG. 10 , the connection point of the second vehicle body 2 , that is, the position corresponding to the rotating mechanism 3 , the indicator light plate 508 is provided on the second upper casing 30 corresponding to the second end 32 of the rotating mechanism 3 . Below the position, more specifically, the indicator light plate 508 is located in the upper rotating connecting groove 507, and the upper rotating connecting groove 507 is provided with a light plate column 5081 and a second indicator hole 3101, and the light plate column 5081 is used to install the indicator light Board 508 , the second indicator hole 3101 is used to transmit light from the light-emitting device on the indicator plate 508 , and the position of the second indicator hole 3101 corresponds to the light-emitting device on the indicator plate 508 . The light-emitting device can be LED lamp beads or other small lamps. The second indicator hole 3101 is covered with a lamp cover 3102 .

In the above-mentioned embodiment in which the first ends 31 of the rotating mechanisms 3 are fixedly arranged in the first vehicle body 1 , the connection structure between the first ends 31 of the rotating mechanism 3 and the first upper shell 10 and the first lower shell 20 may be That is: the end of the first upper shell 10 close to the second upper shell 30 is provided with the upper fixing groove 106 of the rotating mechanism; correspondingly, the end of the first lower shell 20 close to the second lower shell 40 is provided with the lower fixing groove 204 of the rotating mechanism, and the rotating mechanism 3 It is fixed between the upper fixing groove 106 of the rotating mechanism and the lower fixing groove 204 of the rotating mechanism. The first end 31 of the mechanism 3 is fixedly connected to the fixing groove, the fixing groove can limit the relative rotation of the first end 31 of the rotating mechanism 3 and the first vehicle body 1, so that the first vehicle body 1 and the second vehicle body 2 can smoothly relative rotation. The connection structure between the first end 31 of the rotating mechanism 3 and the first upper casing 10 and the first lower casing 20 can also be as follows: the end of the first upper casing 10 close to the second upper casing 30 is provided with a rotating mechanism fixing column 107, and the rotating mechanism 3 The first end 31 is provided with a rotating mechanism fixing hole 39, the rotating mechanism fixing column 107 is adapted to the shape of the rotating mechanism fixing hole 39, and the rotating mechanism 3 is fixed on the first upper shell 10 and the first upper casing 10 through the rotating mechanism fixing column 107. Between the lower shells 20, during installation, the rotating mechanism fixing column 107 passes through the rotating mechanism fixing hole 39, so that the first end 31 of the rotating mechanism 3 is fixedly connected with the first vehicle body 1, and is relatively stationary, so that the first vehicle body 1 and the second vehicle body 2 can smoothly rotate relative to each other; the fixing hole 39 of the rotating mechanism can be a through structure or a non-through structure. When the rotating mechanism fixing hole 39 is a through structure, the first upper shell 10 and the first lower shell 20 can be provided with rotating mechanism fixing columns 107; when the rotating mechanism fixing holes 39 are non-through structures, the corresponding positions of the first upper shell 10 or the first lower shell 20 are provided with rotating mechanism fixing columns 107, and the rotating mechanism The fixing column 107 is disposed toward the rotation mechanism fixing hole 39 so that it can be inserted into the rotation mechanism fixing hole 39 .

In other embodiments, the first upper shell or the first lower shell is provided with a cylindrical structure, and the first end of the rotating mechanism is clamped and fixed with the cylindrical structure.

Based on the above embodiments, connecting the second axle and the second end 32 of the rotating mechanism 3 to the same platform can make the rotating mechanism 3 and the second wheel 80 rotate more smoothly. More specifically, when the second axle mounting seat 802 is disposed on the second upper shell 30, and the second axle is connected to the second upper shell 30, preferably, the second end 32 of the rotating mechanism 3 is rotatably clamped on the second upper shell 30. Between the second upper shell 30 and the second lower shell 40, or, the second end 32 of the rotating mechanism 3 is rotatably arranged in the first sleeve 506 of the second upper shell 30; when the second axle mounting seat 802 is arranged in the middle shell 50, the second axle is connected to the middle shell 50, then preferably, the second end 32 of the rotating mechanism 3 is rotatably disposed between the middle shell 50 and the second lower shell 40, or the second end 32 of the rotating mechanism 3 is rotatably arranged in the first sleeve 506 of the middle shell 50; when the second axle mounting seat 802 is arranged on the second lower shell 40, the second axle is connected with the second lower shell 40, then preferably, the rotation mechanism 3 The second end 32 is rotatably disposed between the middle casing 50 and the second lower casing 40 , or the second end 32 of the rotating mechanism 3 is rotatably disposed in the first sleeve 506 of the second lower casing 40 .

In one embodiment, the second end 32 of the rotating mechanism 3 is rotatably disposed in the second vehicle body 2, and the first end 31 is rotatably disposed in the first vehicle body 1; the rotating mechanism 3 includes a rotating shaft 33, and the rotating shaft One end of the 33 is connected with the first vehicle body 1, and the other end is connected with the second vehicle body 2; the first vehicle body 1 and the second vehicle body 2 are rotatably connected by a rotating shaft 33; one end of the rotating shaft 33 is provided with a limiting part 34, A limiting mechanism is provided at the position of the first vehicle body 1 or the second vehicle body 2 corresponding to the limiting portion 34 .

Based on the above embodiment, as shown in FIG. 15 to FIG. 16 , the rotating shaft 33 is rotatably connected with the first vehicle body 1 and the second vehicle body 2 at the same time, in order to install the second end 32 and the first end of the rotating shaft 33 31. Preferably, in one embodiment, the second end 32 of the rotating shaft 33 is located between the middle shell 50 and the second lower shell 40, the first end 31 is located between the first upper shell 10 and the first lower shell 20, More specifically, the first upper shell 10 and the middle shell 50 are provided with rotating upper connecting grooves 507, and the first lower shell 20 and the second lower shell 40 are provided with rotating lower connecting grooves 405 at positions corresponding to the rotating upper connecting grooves 507, Bearings 35 are sleeved at both ends of the rotating shaft 33 , and corresponding bearing installation grooves 205 are provided on the rotating upper connecting groove 507 and the rotating lower connecting groove 405 , and the first vehicle body 1 and the second vehicle body 2 are rotated through the bearings 35 , and limit the rotation through the limiter.

In another embodiment, the difference from the above-mentioned embodiment is that the second end 32 of the rotating shaft 33 is located between the second upper shell 30 and the second lower shell 40 , and the first end 31 is located between the first upper shell 10 and the first lower shell 40 . Between the lower shells 20, more specifically, the first upper shell 10 and the second upper shell 30 are provided with a rotating upper connecting groove 507, and the first lower shell 20 and the second lower shell 40 correspond to the positions of the rotating upper connecting groove 507 A rotating lower connecting groove 405 is provided at the center, and bearings 35 are sleeved at both ends of the rotating shaft 33. The rotating upper connecting groove 507 and the rotating lower connecting groove 405 are provided with corresponding bearing installation grooves 205. The second vehicle body 2 is connected in rotation, and the rotation is restricted by the limiting portion.

In another embodiment, the difference from the above-mentioned embodiment is that both ends of the rotating shaft 33 are rotatably connected with the sleeves on the first vehicle body 1 and the second vehicle body 2, more specifically, the first upper shell 10 or The first lower shell 20 is provided with a third sleeve, the second upper shell 30 or the middle shell 50 or the second lower shell 40 is provided with a first sleeve 506, one end of the rotating shaft 33 is rotatably arranged on the third sleeve, and the other One end is rotatably arranged in the first sleeve 506 . In order to prevent the rotating shaft 33 from being separated from the first sleeve 506 and the third sleeve, a retaining spring or a washer is sleeved at the connection between the rotating shaft 33 and the first sleeve 506 and the third sleeve. A lubricating layer is provided between the contact surfaces of the rotating shaft 33 and the first sleeve 506 and the third sleeve, so that the rotating shaft 33 and the first sleeve 506 and the third sleeve rotate more smoothly. The lubricating layer can be lubricating oil or other common lubricating materials.

In addition, for safety reasons, the balance car is equipped with a horn 409 as a prompt device. The volume of the horn 409 is small, so it can be installed in the second vehicle body 2. The second component group includes the horn 409. More specifically, it can be installed in the second vehicle body 2. The second lower shell 40 is provided with a speaker installation slot 407 for installing the speaker 409, the speaker installation slot 407 is provided with a sound hole, and the speaker 409 is installed toward the sound hole; at the same time, for the convenience of connection, the speaker 409 needs It is connected to the control circuit board in the second vehicle body 2, that is, the second control circuit board. Of course, in other embodiments, the first component group may also include a horn 409 , and the horn 409 may also be installed in the first vehicle body 1 .

Preferably, in order to facilitate the control of the balance vehicle, a main switch is provided on the first vehicle body 1 or the second vehicle body 2, and the main switch is connected to the first control board 4 or the second control board 5, as shown in Figure 1 and Figure 7 13. In the specific example shown in FIG. 13, the second lower shell 40 of the second vehicle body 2 is provided with a main switch mounting hole 408 for installing the main switch. Of course, in other embodiments, the main switch may be provided on the first lower shell 20 of the first vehicle body 1 .

Preferably, in some embodiments, in order to facilitate taking the balance car, the first vehicle body 1 and the second vehicle body 2 are provided with handles 8 , and more specifically, the handle 8 is provided on the first vehicle body 1 and the second vehicle body 2 . The connection of the second vehicle body 2 includes a first part and a second part which are separately arranged. The first part, the second part and the first vehicle body 1 and the second vehicle body 2 form a handle cavity, and the handle cavity is basically located in the In the middle position of the balance car, since the weights of the first car body 1 and the second car body 2 are basically balanced, the forces on both sides of the handle 8 arranged there are also balanced. After the user holds the handle 8, take the balance The car is more energy efficient.

The above-mentioned embodiments are only preferred embodiments of the present invention, and cannot be used to limit the scope of protection of the present invention. Any insubstantial changes and substitutions made by those skilled in the art on the basis of the present invention belong to the scope of the present invention. Scope of protection claimed.

Claims

A balance car, comprising a first body and a second body, characterized in that:

The first vehicle body includes a first upper casing, a first lower casing and a first component group, the second vehicle body includes a second upper casing, a middle casing, a second lower casing and a second component group, the middle casing A shell is disposed between the second upper shell and the second lower shell, and the middle shell substantially balances the weights of the first body and the second body.
The self-balancing vehicle of claim 1, wherein the first component group comprises a battery assembly;

The battery assembly is disposed on the first upper case, a battery positioning post is disposed on the first upper case, and the battery assembly is fixed to the first upper case through the battery positioning post; or, the The battery assembly is arranged on the first lower case, a battery positioning post is arranged on the first lower case, and the battery assembly is fixed to the first lower case through the battery positioning post.
The balance car as claimed in claim 2, characterized in that:

The battery positioning column includes a battery pre-positioning column and a battery locking column, and a pre-positioning slot and a locking hole are correspondingly provided on the outer wall of the battery assembly; and/or

The battery positioning posts include two groups, and the two sets of battery positioning posts are symmetrically arranged on the first upper case or the first lower case.
The balance car according to claim 1, wherein: the middle shell is connected with the second upper shell; and/or the middle shell is connected with the second lower shell.
The balance car according to claim 4, characterized in that: a first connecting structure is arranged on the middle shell, a second connecting structure is correspondingly arranged on the second upper shell, and the first connecting structure and the second connecting structure are correspondingly arranged. The connection structure cooperates so that the middle case is connected with the second upper case, and the first connection structure and the second connection structure are any combination of connection holes or connection posts; and/or

A third connection structure is arranged on the middle shell, and a fourth connection structure is correspondingly arranged on the second lower shell. The third connection structure and the fourth connection structure cooperate so that the middle shell and the second lower shell cooperate Shell connection, the third connection structure and the fourth connection structure are any combination of connection holes or connection posts.
The balance car according to claim 5, wherein: when the middle shell is connected with the second upper shell, there are two first connecting structures, and two of the first connecting structures are in the middle shell. The shell is symmetrically arranged, and/or the connecting line of the two first connecting structures is perpendicular to the horizontal line;

When the middle case is connected to the second lower case, there are two third connection structures, two of the third connection structures are symmetrically arranged on the middle case, and/or two of the third connection structures The connecting lines connecting the structures are perpendicular to the horizontal lines.
The balance car according to claim 4, characterized in that: the lower part of the second upper shell is provided with an accommodating part, the middle shell is placed in the accommodating part, and the lower surface of the accommodating part is in contact with the accommodating part. the upper surface of the mid-shell contacts; or

An accommodating portion is arranged on the upper side of the second lower shell, and the middle shell is arranged in the accommodating portion;

or

The lower side of the second upper shell and the upper side of the second lower shell together form a accommodating portion, the middle shell is arranged in the accommodating portion, and the upper surface of the middle shell and the lower surface of the second upper shell surface contact.
The balance car according to claim 7, characterized in that: the thickness of the middle shell is greater than the thickness of the second upper shell; and/or, the middle shell is provided with a middle shell reinforcing rib.
The balance vehicle according to any one of claims 1 to 8, wherein a fifth connecting structure is provided on the second upper shell, a sixth connecting structure is correspondingly provided on the second lower shell, and the fifth connecting structure is provided on the second lower shell. The connection structure and the sixth connection structure cooperate so that the second upper case is connected with the second lower case; the fifth connection structure and the sixth connection structure are any combination of connection holes or connection posts; and /or

The first upper case is provided with a seventh connection structure, and the first lower case is provided with an eighth connection structure correspondingly, and the seventh connection structure and the eighth connection structure cooperate so that the first upper case and the The first lower shell is connected, and the seventh connection structure and the eighth connection structure are any combination of connection holes or connection posts.
The balance car of claim 1, wherein the upper surface of the second upper shell and the upper surface of the first upper shell are on the same horizontal plane.
The balance car of claim 1, wherein the first component group includes a first wheel, the second component group includes a second wheel, and the first wheel is disposed on the first upper shell away from the middle shell On the outer end of the second wheel, the second wheel is arranged on the outer end of the middle shell away from the first upper shell.
The balance car according to claim 11, wherein the second wheel comprises a second axle, the side of the second upper shell close to the second wheel is provided with a first wheel baffle, and the second lower shell is provided with a first wheel baffle. The side of the casing close to the second wheel is provided with a second wheel baffle, the first wheel baffle and the second wheel baffle are arranged correspondingly to form a seal for the second axle, and the middle casing is arranged close to The outboard end of the second wheel abuts the first wheel guard or the second wheel guard to position the mid-shell; and/or

The first wheel includes a first axle, the side of the first upper shell close to the first wheel is provided with a third wheel baffle, and the side of the first lower shell close to the first wheel is provided with a fourth wheel baffle. The wheel baffle, the third wheel baffle and the fourth wheel baffle are arranged correspondingly to form a seal for the first axle.
The balance car of claim 11, wherein the first component group further comprises a first fender, and the first fender is arranged on the outer side of the first upper shell and located on the Above the first wheel, the first fender and the first upper shell are integrated; and/or

The second component group further includes a second fender, the second fender is arranged on the outer side of the second upper shell and is located above the second wheel, the second fender and all the The second upper shell is an integral structure.
The balance bike of claim 1, wherein the first component group includes a first pedal, the second component group includes a second pedal, and the first pedal is disposed on the first upper shell , the second pedal is arranged on the second upper shell or the middle shell;

The structure of the first pedal is as follows: an integrated pedal, or consisting of a pedal leather and a pedal pad;

The structure of the second pedal is as follows: an integrated pedal, or composed of a pedal skin and a pedal pad.
The balance car according to claim 14, wherein: the first upper shell is provided with a first pedal mounting hole, and the first pedal is disposed on the first upper shell through the first pedal mounting hole;

The second upper shell is provided with a first installation hole for a second pedal, the second pedal includes an movable connection fixing column, and the movable connection fixing column is matched and connected with the first installation hole of the second pedal.
The balance car according to claim 15, wherein: corresponding to the position of the first installation hole of the second pedal, a second installation hole of the second pedal is provided on the middle shell; The first mounting hole of the two pedals is matched with the second mounting hole of the second pedal, so that the second pedal is movably fixed on the second upper shell.
The balance car according to claim 14, characterized in that: the second upper shell is provided with a through hole, the middle shell is provided with a second mounting hole for the second pedal, and the second pedal comprises an active connection fixing column; The movable connection fixing post passes through the through hole and is matched with the second mounting hole of the second pedal, so that the second pedal is movably fixed on the middle shell.
The balance car according to any one of claims 14 to 17, characterized in that: the second component group further comprises a second photoelectric switch, and the second photoelectric switch is arranged on the lower side of the middle shell; the The second pedal includes a contact, and the middle shell is provided with a contact through hole; when the second pedal is set on the second upper shell, the second upper shell is provided with a contact hole, and the contact passes through the contact hole. The contact hole and the contact through hole are matched with the second photoelectric switch; when the second pedal is arranged on the middle case, the contact is connected to the second photoelectric switch through the contact through hole Matching; a spring is arranged in the contact through hole, so that the second pedal can rebound.
The balance car according to any one of claims 14 to 17, wherein the second component group further comprises a second photoelectric switch, and the second photoelectric switch is arranged on the second upper shell and is located at the the second upper shell is provided with a mounting groove for installing the second photoelectric switch, and the second photoelectric switch is placed in the mounting groove; the second pedal includes a contact, The contacts are arranged corresponding to the second photoelectric switch; the middle shell is provided with movable mounting holes, the second upper shell is provided with contact holes, and the contact holes correspond to the movable mounting holes, so The second pedal further includes a contact post, the contact post is adapted to the movable mounting hole, and a spring is arranged in the movable mounting hole, so that the second pedal can rebound.
The balance car according to claim 1, wherein a second axle mounting seat is provided on the lower side of the middle shell, or a second axle mounting seat is provided on the lower side of the second upper shell, or the second lower shell is provided A second axle mounting seat is arranged on the top; the second axle mounting seat includes a second axle pressing sheet fixing hole and a second axle mounting groove; the second axle pressing sheet fixing hole includes two groups, and two groups of the second axle The pressing piece fixing holes are symmetrically arranged on both sides of the second axle mounting groove; and/or

A first axle mounting seat is arranged on the lower side of the first upper shell, or, a first axle mounting seat is arranged on the first lower shell; the first axle mounting seat includes a first axle pressing plate fixing hole and a first axle An installation groove; the first axle pressing piece fixing holes include two groups, and the two sets of the first axle pressing piece fixing holes are symmetrically arranged on both sides of the first axle installation groove.
The balance car according to claim 20, wherein a second control panel connecting column is arranged on the lower side of the middle shell, or a second control panel connecting column is arranged on the lower side of the second upper shell; The board connecting column includes two groups, and the two groups of the second control board connecting column are respectively located on both sides of the second axle mounting seat; and/or

The lower side of the first upper shell is provided with a first control board connecting column; the first control board connecting column includes two groups, and the two groups of the first control board connecting column are respectively arranged on two sides of the first axle mounting seat. side.
The balance car according to claim 1, further comprising a rotating mechanism, one end of the rotating mechanism is arranged in the first vehicle body, and the other end is arranged in the second vehicle body, so that the first vehicle body and the first vehicle body are connected to the second vehicle body. The two bodies can rotate relative to each other.
The balance car according to claim 22, wherein the first end of the rotating mechanism is fixedly arranged between the first upper shell and the first lower shell;

The second end of the rotating mechanism is rotatably disposed between the middle shell and the second lower shell, and a limiting mechanism is provided on the middle shell and/or on the second lower shell; or

The second end of the rotating mechanism is rotatably disposed in the middle shell, the middle shell is provided with a cylindrical portion at a corresponding position, and the rotating mechanism can rotate in the cylindrical portion; or

The second end of the rotating mechanism is rotatably disposed in the second lower casing, a cylindrical portion is provided at a corresponding position of the second lower casing, and the rotating mechanism can rotate in the cylindrical portion; or

The second end of the rotating mechanism is rotatably sandwiched between the second upper shell and the second lower shell, and a limit is set on the second upper shell and/or the second lower shell mechanism.
The balance car according to claim 23, wherein a first sleeve is provided in the cylindrical portion, and the rotating mechanism is rotatable in the first sleeve.
The balance car according to claim 23, wherein when the second end of the rotating mechanism is rotatably disposed between the middle shell and the second lower shell, the middle shell is provided with a rotating upper connection a lower rotating connecting groove is provided at the position of the second lower shell corresponding to the rotating upper connecting groove, and the rotating mechanism is rotatably arranged between the rotating upper connecting groove and the rotating lower connecting groove;

A limit block installation groove is set in the lower rotating connecting groove, and/or a limit block installation groove is set in the rotating upper connecting groove;

An indicator light board mounting post is arranged in the upper connecting groove of the rotation;

A first indicator hole is arranged in the upper rotating connecting groove, corresponding to the position of the first indicator hole, and a second indicator hole is arranged on the second upper shell, corresponding to the position of the second indicator hole, An indicator light cover is arranged on the second upper shell.
The balance car according to claim 25, further comprising a bearing; a limit groove is provided in the rotation upper connecting groove and the rotation lower connecting groove, and the bearing is arranged between the limit grooves, And cooperate with the rotating mechanism to rotate.
The balance car according to claim 25, further comprising a second sleeve; a sleeve installation groove is set in the upper rotating connecting groove, and the second sleeve is set in the sleeve installation groove, And cooperate with the rotating mechanism to rotate.
The balance car according to claim 23, characterized in that, an upper fixing groove of the rotating mechanism is set at one end of the first upper shell close to the second upper shell, and correspondingly, the first lower shell is close to the second lower shell One end of the rotating mechanism is provided with a lower fixing groove of the rotating mechanism, and the rotating mechanism is fixed between the upper fixing groove of the rotating mechanism and the lower fixing groove of the rotating mechanism; or

One end of the first upper casing close to the second upper casing is provided with a rotation mechanism fixing column, and the rotating mechanism is fixed between the first upper casing and the first lower casing through the rotating mechanism fixing column.
The balance car according to claim 22, wherein the second end of the rotating mechanism is rotatably arranged in the second vehicle body, and the first end is rotatably arranged in the first vehicle body; The mechanism includes a rotating shaft, one end of the rotating shaft is connected with the first vehicle body, and the other end is connected with the second vehicle body; the rotating shaft rotates relative to the first vehicle body and the second vehicle body; One end is provided with a limiting portion, and a limiting mechanism is provided at the position corresponding to the first vehicle body or the second vehicle body and the limiting portion;

The first upper shell and the middle shell are provided with rotating upper connecting grooves, the first lower shell and the second lower shell are provided with rotating lower connecting grooves at positions corresponding to the rotating upper connecting grooves, and the Bearings are sleeved at both ends of the rotating shaft, and corresponding bearing installation grooves are provided on the rotating upper connecting groove and the rotating lower connecting groove; or

The first upper shell and the second upper shell are provided with rotating upper connecting grooves, and the first lower shell and the second lower shell are provided with rotating lower connecting grooves at positions corresponding to the rotating upper connecting grooves, Bearings are sleeved at both ends of the rotating shaft, and corresponding bearing installation grooves are provided on the rotating upper connecting groove and the rotating lower connecting groove; or

The first upper shell or the first lower shell is provided with a third sleeve, the second upper shell or the middle shell or the second lower shell is provided with a first sleeve, and one end of the rotating shaft is rotatably arranged on the third sleeve. The other end is rotatably arranged in the first sleeve.
The balance car of claim 1, wherein the first component group includes a first control panel, the second component group includes a second control panel; the first control panel is disposed on the first upper shell and the first lower shell; the second control board is arranged between the middle shell and the second lower shell; the first control board and the first upper shell or the first The lower shell is fixedly connected; the second control board is fixedly connected with the second upper shell or the middle shell or the second lower shell.
The balance car according to claim 1, wherein the second component group comprises a horn; a horn mounting groove is provided in the second lower shell, and the horn is arranged in the horn mounting groove.
The balance car according to claim 1, further comprising a main switch, a main switch installation hole is arranged inside the second lower shell, and the main switch is arranged in the main switch installation hole.
The balance vehicle according to claim 1, further comprising a handle; the handle is provided at the connection between the first vehicle body and the second vehicle body; the handle comprises a first part and a The second part, the first part, the second part, and the first body and the second body form a handle cavity.