CN111891279A - A kind of middle shell for balance car and balance car thereof - Google Patents

Abstract

The invention discloses a middle shell for a balance car and the balance car thereof, wherein the middle shell for the balance car comprises a body, and an upper shell connecting mechanism and/or a lower shell connecting mechanism are/is arranged on the body. The middle shell for the balance car has the advantages that the upper shell connecting mechanism and/or the lower shell connecting mechanism are fixedly connected with the upper shell and/or the lower shell, so that the mechanical strength of the upper shell and the lower shell is improved. The balance car of this mesochite of installation, second epitheca and second inferior valve are connected fixedly with the mesochite, have improved the structural strength of second epitheca and second inferior valve, and the whole mechanical strength of balance car is higher, and life is longer, and factor of safety is higher.

Description

A kind of middle shell for balance car and balance car thereof

technical field

The invention relates to the technical field of balancing vehicles, in particular to a middle shell for a balancing vehicle and a balancing vehicle thereof.

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 axle is adjusted accordingly to maintain the balance of the system, which is a new type of green and environmentally friendly product used by modern people as a means of transportation and leisure and entertainment. Electric balance cars mainly include two types: one wheel and two wheels. Among them, the two-wheeled balance car has a higher safety factor and is more suitable for travel. The general two-wheeled balance car adopts the structure of the left and right sides of the car body. At the same time, the left and right sides of the car body include an upper shell and a lower shell. Most of the components in the balance car are fixed on the upper shell or the lower shell, resulting in some The strength of the structure is not enough, which affects the service life and driving safety of the balance car.

SUMMARY OF THE INVENTION

In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a middle shell for a balancing vehicle, which is used to increase the mechanical strength of the vehicle body, prolong the service life of the balancing vehicle, and make the balancing vehicle run more safely.

The second purpose of the present invention is to provide a balance car, including the above-mentioned middle shell for a balance car, with higher overall mechanical strength and more complete use.

One of the objects of the present invention adopts the following technical scheme to realize:

A middle shell for a balance vehicle includes a body on which an upper shell connecting mechanism and/or a lower shell connecting mechanism are arranged.

Preferably, a rotating mechanism connecting portion is provided on the first end of the body, and an axle mounting seat is provided on the second end away from the first end of the body.

Preferably, the connecting part of the rotating mechanism includes a cylindrical part for rotating with the rotating mechanism; or, the connecting part of the rotating mechanism includes a connecting groove of the rotating mechanism; a bearing groove or a sleeve groove is arranged in the connecting groove of the rotating mechanism, Used to rotate with the rotating mechanism.

Preferably, a light plate column and an indicator light hole are arranged in the connecting groove of the rotating mechanism.

Preferably, the axle mounting seat includes an axle pressing sheet fixing hole and an axle mounting groove; the axle pressing sheet fixing hole includes two groups, and the two sets of the axle pressing sheet fixing holes are symmetrically arranged on both sides of the axle mounting groove.

Preferably, the body is provided with a first through groove; there are two first through grooves, which are respectively located on both sides of the axle mounting seat.

Preferably, the body is provided with a control board connecting column.

Preferably, the body is provided with a second through groove; the control board connecting column includes two groups, and the through groove is located between the two groups of the control board connecting column.

Preferably, the upper shell connecting mechanism is a connecting hole or a connecting column; the lower shell connecting mechanism is a connecting hole or a connecting column.

Preferably, the upper shell connecting mechanism includes two groups, the two upper shell connecting mechanisms are symmetrically arranged on the body, and/or the connecting lines of the two upper shell connecting mechanisms are perpendicular to the horizontal line; The shell connecting mechanism includes two groups, the two lower shell connecting mechanisms are symmetrically arranged on the body, and/or the connecting lines of the two lower shell connecting mechanisms are perpendicular to the horizontal line.

Preferably, the body is provided with a pedal mounting hole.

Preferably, the body is provided with a contact through hole, and the contact point of the pedal cooperates with the photoelectric switch arranged on the lower side of the body through the contact through hole.

Preferably, a spring is provided in the contact through hole, so that the pedal can spring back.

Preferably, the contact through holes include two, the two contact through holes are symmetrically arranged on both sides of the axle mounting seat, and/or the contact through holes are arranged on the side of the control board connecting column side.

Preferably, the body is provided with an installation slot for installing the photoelectric switch; the installation slot is provided with a third wire hole or a side of the installation groove is provided with a third wire hole.

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

A balance car includes a first upper shell, a first lower shell, a second upper shell, and a second lower shell, and also includes the above-mentioned middle shell for a balance car, wherein the middle shell is arranged on the second upper shell and the second upper shell. Between the lower shells, the first upper shell and the first lower shell are connected;

Corresponding to the position of the connection mechanism of the upper case, the second upper case is provided with a first connection mechanism of the middle case, and the middle case is connected to the second upper case through the connection mechanism of the upper case and the first connection mechanism of the middle case and/or, corresponding to the position of the connection mechanism of the lower case, the second lower case is provided with a second connection mechanism of the middle case, and the middle case is connected with the connection mechanism of the lower case and the second connection mechanism of the middle case through the connection mechanism of the lower case and the second connection mechanism of the middle case The second lower shell is connected.

Preferably, the balance car further includes a second wheel mounted on the middle shell; and/or further includes a first wheel mounted on the first upper shell.

Preferably, a first axle mounting seat is provided on the lower side of the first upper shell; the first axle mounting seat includes a first axle pressing sheet fixing hole and a first axle mounting groove; the first axle pressing sheet fixing hole includes There are two groups. The first axle pressing plate fixing holes of the two groups are symmetrically arranged on both sides of the first axle mounting groove; the lower side of the first upper shell is provided with a first control panel connecting column; The pillars include two groups, and the two groups of the first control panel connecting pillars are respectively arranged on both sides of the first axle mounting seat.

Preferably, a cover portion is provided at a position of the second upper shell corresponding to the connecting groove of the rotating mechanism; and a second indicator hole is provided in the cover portion.

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

Preferably, when the photoelectric switch is arranged under the middle case, the second upper case is provided with a contact hole, and the middle case is provided with a contact through hole; when the pedal is arranged on the second upper case , the contact on the pedal is matched with the photoelectric switch under the middle shell of the balance vehicle through the contact hole and the contact through hole; a spring is arranged in the contact through hole, so that the pedal can rebound.

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

The middle shell for a balance vehicle of the present invention is connected and fixed with the upper shell and/or the lower shell through the upper shell connecting mechanism and/or the lower shell connecting mechanism, thereby improving the mechanical strength of the upper shell and the lower shell. In the balance car with the middle shell installed, the second upper shell and the second lower shell are connected and fixed with the middle shell, the structural strength of the second upper shell and the second lower shell is improved, the overall mechanical strength of the balance car is higher, and the service life is longer. Longer, higher safety factor.

Description of drawings

1 is a schematic structural diagram of a middle shell according to an embodiment of the present invention, which shows an embodiment in which a rotating upper connecting groove is on the middle shell, and an embodiment in which a second axle mounting seat is arranged on the middle shell;

2 is a schematic structural view of the middle case from another angle of the embodiment in FIG. 1, and also shows the structure of the middle case when the second end of the rotating mechanism is located between the middle case and the second lower case;

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

FIG. 4 is a schematic structural diagram of another angle of the middle shell of the embodiment in FIG. 3;

5 is a schematic structural diagram of a middle shell 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 also shows when the contact through holes are arranged on the second upper shell the structure of the middle shell;

FIG. 6 is a schematic structural diagram of another angle of the middle shell of the embodiment in FIG. 5;

7 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. 8 is a schematic structural diagram of another angle of the middle shell of the embodiment in FIG. 7;

FIG. 9 is a schematic structural diagram of a middle shell according to another embodiment of the present invention, which shows another embodiment in which the second control panel mounting column is arranged on the middle shell, and also shows the upper rotating connecting groove and the second axle mounting seat The structure of the middle shell when arranged on the second upper shell;

FIG. 10 is a schematic structural diagram of another angle of the middle shell of the embodiment in FIG. 9;

11 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;

12 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 second pedal is directly connected to the middle casing;

13 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;

14 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 rotating upper connecting groove and the second axle mounting seat are provided on the second upper casing;

15 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 disposed on the second upper casing;

FIG. 16 is a schematic structural diagram of another angle of the second upper casing of the embodiment in FIG. 15;

17 is a schematic structural diagram of a second lower case according to an embodiment of the present invention, which shows an embodiment in which the rotating lower connecting groove is arranged on the second lower case, and also shows an embodiment in which the limiting mechanism is arranged on the second lower case Way;

18 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;

19 is a schematic diagram of an exploded structure of a balance car according to an embodiment of the present invention, which shows an embodiment in which a middle shell is arranged in the second body, and also shows that the second end of the rotating mechanism is located between the middle shell and the second lower shell between the implementation;

Fig. 20 is a schematic exploded structure diagram of another angle of the self-balancing vehicle of the embodiment in Fig. 19;

Fig. 21 is a schematic cross-sectional structure diagram of another angle of the balance car of the embodiment in Fig. 14, 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;

Fig. 22 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. 23 is a schematic cross-sectional structure diagram of the balance car of the embodiment in Fig. 22;

Fig. 24 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 pedal is arranged on the middle shell;

Fig. 25 is a schematic cross-sectional structure diagram of the balance car of the embodiment in Fig. 24;

Fig. 26 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. 27 is a schematic cross-sectional structure diagram of the self-balancing vehicle of the embodiment in Fig. 26, which shows an embodiment in which the contact through holes are arranged on the second upper shell;

28 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. 29 is a schematic cross-sectional structure diagram of the balance car of the embodiment in Fig. 28;

Fig. 30 is a schematic diagram of an exploded structure of a self-balancing vehicle 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. 31 is a schematic cross-sectional structure diagram of the balance car of the embodiment in FIG. 30;

32 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 second end of the rotating mechanism is rotatably connected to the second upper shell and the second lower shell, and also shows the second axle mounting seat an embodiment provided on the second upper shell;

33 is a schematic cross-sectional structure diagram of the balance car of the embodiment in FIG. 32;

34 is a schematic diagram of an exploded structure of a self-balancing vehicle according to another embodiment of the present invention, which shows an embodiment in which the photoelectric switch is arranged on the second upper shell;

FIG. 35 is a schematic cross-sectional structure diagram of the balance car of the embodiment in FIG. 34 .

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; 7, second pedal; 71, movable connection fixed column; 72, second contact; 10, first upper shell; 101, seventh connection structure; 102, first control board connection Column; 103, the third wheel baffle; 104, the first fender; 105, the first pedal mounting hole; 106, the upper fixing groove of the rotating mechanism; 107, the fixing column of the rotating mechanism; 20, the first lower shell; 201, 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 slot; 30, the second upper shell; 301, the second connection structure; 302, the accommodation 303, the fifth connection structure; 304, the second control panel connecting column; 305, the first wheel baffle; 306, the second fender; 307, the first mounting hole of the second pedal; 308, the through hole; 309 310, 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; 405, the lower connection slot for rotation; 406, the first sleeve installation slot; 4061, the limit sleeve slot; 50, the middle shell; 501, the first connection structure; 502, the third connection structure; 503, the first through slot; 504, the second through slot; 505, the second mounting hole of the second pedal; 506, the first sleeve; 507, the upper connecting slot for rotation; 508, the indicator light board; 5082, the first indicator light hole; 60, the battery assembly; 70, the first wheel; 701, the first axle; 702, the first axle mounting seat; 703, the first axle pressing plate fixing hole; 704, the first axle mounting slot ; 705, the first axle sheet; 80, the second wheel; 801, the second axle; 802, the second axle mounting seat; 803, the second axle sheet fixing hole; 804, the second axle mounting groove; 805, the first 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 first Three through the wire hole; 904, the contact post.

Detailed ways

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" ” etc. 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.

1 to 35 , the middle shell for a balance car and the balance car thereof according to the embodiment of the present invention will be clarified in the following description, wherein the upper shell is connected to the upper shell through the upper shell connecting mechanism and/or the lower shell connecting mechanism And/or the lower shell is connected and fixed, thereby improving the mechanical strength of the upper shell and the lower shell, and at the same time improving the running stability of the balance car.

The present invention designs a middle shell for a balance vehicle, which includes a body, and the body is provided with an upper shell connecting mechanism and/or a lower shell connecting mechanism. The middle shell can be applied to balance cars of different structures, so the middle shell also has a variety of different structures.

As shown in FIGS. 1 to 8 , in some embodiments, the middle shell for a balance vehicle includes a body, a first end of the body is provided with a connecting portion of a rotating mechanism, and a second end away from the first end of the body is provided. An axle mounting seat is provided, and an upper shell connecting mechanism and/or a lower shell connecting mechanism are arranged on the main body.

The middle shell for the balancing vehicle in this embodiment has a connecting part of the rotating mechanism and an axle mounting seat, so that one end of the rotating mechanism of the balancing vehicle can be set on the same platform as the axle of the wheel, which is beneficial to improve the running stability of the balancing vehicle.

Preferably, the connecting portion of the rotating mechanism includes a cylindrical portion for rotating with the rotating mechanism.

Preferably, the connecting portion of the rotating mechanism includes a connecting groove for the rotating mechanism; a bearing groove or a sleeve groove is arranged in the connecting groove for the rotating mechanism for cooperating with the rotating mechanism to rotate.

Preferably, a light plate column and an indicator light hole are arranged in the connecting groove of the rotating mechanism.

Preferably, the axle mounting seat includes an axle pressing sheet fixing hole and an axle mounting groove; the axle pressing sheet fixing hole includes two groups, and the two sets of the axle pressing sheet fixing holes are symmetrically arranged on both sides of the axle mounting groove.

Preferably, the body is provided with first and second through grooves; there are two first and second through grooves, which are respectively located on both sides of the axle mounting seat.

Preferably, the main body is provided with a control panel connecting column, and the control panel connecting column includes two groups, which are respectively located on both sides of the axle mounting seat.

Preferably, the body is provided with an installation slot for installing the photoelectric switch; the installation slot is provided with a third wire hole or a side of the installation groove is provided with a third wire hole.

As shown in Figures 9 and 10, in some embodiments, the body of the middle shell for the balance vehicle is provided with a control panel connecting column, and there is no rotating mechanism connecting part and an axle mounting seat. Correspondingly, the rotation The mechanism connecting part and the axle mounting seat are arranged at corresponding positions on the second upper shell, and the middle shell is provided with a second second through groove for the axle mounting seat on the second upper shell to pass through and connect with the second axle.

Preferably, the control board connecting column includes two groups, and the second through groove is located between the two groups of the control board connecting column.

In the middle shell for a balance vehicle in this embodiment, a control panel connecting column is arranged on the middle shell, which is used to install the control panel and play a protective role for the control panel.

Based on the above embodiments, the upper shell connecting mechanism is a connecting hole or a connecting column; the lower shell connecting mechanism is a connecting hole or a connecting column.

Preferably, the upper shell connecting mechanism includes two groups, the two upper shell connecting mechanisms are symmetrically arranged on the body, and/or the connecting lines of the two upper shell connecting mechanisms are perpendicular to the horizontal line; The shell connecting mechanism includes two groups, the two lower shell connecting mechanisms are symmetrically arranged on the body, and/or the connecting lines of the two lower shell connecting mechanisms are perpendicular to the horizontal line.

Preferably, the body is provided with a pedal mounting hole.

Preferably, the body is provided with a contact through hole, and the contact point of the pedal cooperates with the photoelectric switch arranged on the lower side of the body through the contact through hole.

Preferably, a spring is provided in the contact through hole, so that the pedal can spring back.

Preferably, the contact through holes include two, the two contact through holes are symmetrically arranged on both sides of the axle mounting seat, and/or the contact through holes are arranged on the side of the control board connecting column side.

The present invention also designs a balance car, which includes a first upper shell, a first lower shell, a second upper shell, and a second lower shell, and is characterized in that it also includes a middle shell for a balance car, and the middle shell is arranged on the second Between the upper shell and the second lower shell, the first upper shell and the first lower shell are connected;

Corresponding to the position of the connection mechanism of the upper case, the second upper case is provided with a first connection mechanism of the middle case, and the middle case is connected to the second upper case through the connection mechanism of the upper case and the first connection mechanism of the middle case and/or, corresponding to the position of the connection mechanism of the lower case, the second lower case is provided with a second connection mechanism of the middle case, and the middle case is connected with the connection mechanism of the lower case and the second connection mechanism of the middle case through the connection mechanism of the lower case and the second connection mechanism of the middle case The second lower shell is connected.

Preferably, the balance car further includes a second wheel mounted on the middle shell; and/or the balance car further includes a first wheel mounted on the first upper shell .

Preferably, a first axle mounting seat is provided on the lower side of the first upper shell; the first axle mounting seat includes a first axle pressing sheet fixing hole and a first axle mounting groove; the first axle pressing sheet fixing hole includes There are two groups. The first axle pressing plate fixing holes of the two groups are symmetrically arranged on both sides of the first axle mounting groove; the lower side of the first upper shell is provided with a first control panel connecting column; The pillars include two groups, and the two groups of the first control panel connecting pillars are respectively arranged on both sides of the first axle mounting seat.

Preferably, a cover portion is provided at a position of the second upper shell corresponding to the connecting groove of the rotating mechanism; and a second indicator hole is provided in the cover portion.

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

Preferably, the second upper shell is provided with a contact hole, and the middle shell is provided with a contact through hole; when the pedal is arranged on the second upper shell, the contact on the pedal passes through the contact hole , The contact through hole is matched with the photoelectric switch under the middle shell of the balance vehicle; a spring is arranged in the contact through hole, so that the pedal can rebound.

In practical application, since the middle shell needs to be arranged between the second upper shell and the second lower shell to be connected with other components, for the convenience of description, when describing specific embodiments, the upper shell connecting mechanism is described as the first connecting structure , the first connecting mechanism of the middle shell is described as the second connecting structure, the connecting mechanism of the lower shell is described as the third connecting structure, the second connecting mechanism of the middle shell is described as the fourth connecting structure; the second upper shell is provided with a fifth connecting structure, The second lower case is provided with a sixth connection structure, and the fifth connection structure and the sixth connection structure are used to connect the second upper case and the second lower case; the first upper case is provided with a seventh connection structure, and the first lower case is provided with a seventh connection structure. There is an eighth connection structure on it, and the seventh connection structure and the eighth connection structure are used to connect the first upper shell and the first lower shell; the connecting groove of the rotating mechanism on the middle shell is described as the rotating upper connecting groove, correspondingly, the first There is a rotating lower connecting groove on the second lower shell; the axle mounting seat on the middle shell is described as the second axle mounting seat, the axle pressing sheet fixing hole is described as the second axle pressing sheet fixing hole, and the axle mounting slot is described as the second axle Installation slot; the pedal connected to the second upper shell or the middle shell is the second pedal, for the convenience of description, the first installation hole of the pedal is described as the first installation hole of the second pedal, and the second installation hole of the pedal is described as the second pedal The second installation hole; at the same time, the indicator light hole on the middle shell is described as the first indicator light hole.

In one embodiment, as shown in FIG. 1 to FIG. 8 , the middle shell 50 is provided with a second axle mounting seat 802 for mounting the second wheel 80 . Axle 801, a second axle mounting seat 802 is provided on the middle shell 50, and 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 aligned with the second axle. The second axle is placed in the second axle mounting groove, the second axle pressing sheet fixing holes 803 include two groups, and 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. Preferably, the thickness of the middle shell 50 is greater than the thickness of the second upper shell 30; since the thickness of the middle shell 50 is thicker and the mechanical strength is greater, the specific In an example, 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.

The first vehicle body 1 or the second vehicle body 2 is provided with a battery assembly 60 as a power source of the balance vehicle.

A second control panel is arranged between the second upper case and the second lower case. To protect the second control panel 5 , the second control panel 5 is located between the middle case 50 and the second lower case 40 . In one embodiment, as shown in Figures 1 to 4, Figure 7, and Figure 8, the lower side of the middle shell 50 is provided with a second control board connecting column 304, and the second control board 5 is connected through the second control board The column 304 is fixedly connected with the middle shell 50; in order to make the installation of the second control board 5 more firm, the second control board connecting column 304 includes two groups, and the two groups of the second control board connecting column 304 are respectively arranged on the second axle mounting seat 802 so that the second control board 5 does not interfere with the second axle mounting seat 802 .

In other embodiments, as shown in FIG. 5 and FIG. 6 , the second control board connecting column 304 is arranged on the lower side of the second upper casing 30 , more specifically, the second control board 5 is arranged on the middle casing Below 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 passes through the second through slot 504 and is connected to the second control board. Board 5 is connected. 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. 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 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 The plate 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 other embodiments, the difference from the above-mentioned embodiments is: as shown in FIG. 14 , the second upper shell 30 is provided with a second axle mounting seat 802 , and the second axle mounting seat 802 includes a second axle pressing piece for fixing The 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 sheet fixing hole 803 includes two groups, two groups The 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.

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. 9 As shown in FIG. 10 , 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.

In order to facilitate the user to step on, the first vehicle body includes a first pedal 6, and the second vehicle body includes a second pedal 7. As shown in FIG. 19, the first pedal 6 is provided on the first upper shell 10, and the second pedal 7 is provided 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 foot feeling of stepping; the second pedal 7 is an integrated pedal Type pedals for easy processing and installation, or include pedals and pads to enhance pedaling feel.

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 10 is provided with a first pedal mounting hole 105 , and the first pedal 6 is disposed through the first pedal mounting hole 105 On the first upper shell 10, the lower surface of the first pedal 6 is provided with a first movable column 61, and the first movable column 61 is movably engaged with the lower surface of the first upper shell 10 after passing through the first pedal mounting hole 105, The first pedal 6 is prevented 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 installation hole 105, so that the first movable column 61 can shuttle in the first pedal installation hole 105, so that the A 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 or the middle shell, the second vehicle body 2 is provided with a middle shell 50 , and therefore, there are various ways to install the second pedal 7 .

In one embodiment, the second pedal is movably connected to the second upper shell, the second upper shell 30 is provided with a first installation hole 307 for the second pedal, the second pedal 7 includes an movable connection fixing column 71, and the movable connection fixing column 71 is connected to the second upper shell 30. The first mounting hole 307 of the second pedal is matched and connected, corresponding to the position of the first mounting hole 307 of the second pedal, and the second mounting hole 505 of the second pedal is provided on the middle shell 50; In cooperation with the second mounting hole 505 of the second pedal, the second pedal 7 is movably fixed on the second 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 , disposing the through hole 308 on the second upper shell 30 not only enables the second pedal 7 to be directly connected with the middle shell 50 , the assembling process is simpler, but also saves the material of the second upper shell 30 and reduces the cost. 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 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. 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 shell 10 , the first vehicle body 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 embodiment, when the second pedal 7 is movably arranged on the second upper shell 30 , the second vehicle body 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, as shown in FIG. 19 and FIG. 20 , 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 , and the second control board 5 is located on the second upper casing 30 . Below the middle shell 50 , the second contact 72 is provided on the contact post 904 on the lower surface of the second pedal 7 , the second upper shell 30 is provided with a contact hole 309 , and the middle shell 50 is provided with a contact through hole 902 , the contact through hole 902 corresponds to the contact hole 309 and the contact, the contact corresponds to the position of the second photoelectric switch 901 , and the contact passes through the contact hole 309 and the contact through hole 902 in turn 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. 34 and FIG. 35 , 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, as shown in FIG. 24 and FIG. 25 , the second pedal 7 is arranged on the middle case 50 , the second photoelectric switch 901 is arranged on the second control board 5 , and the second control board 5 is located in the middle Below the shell 50 , the second contact 72 is disposed 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 , and the second contact 72 corresponds to the position of the second photoelectric switch 901 , the second contact 72 passes through the contact through hole 902 to trigger the second photoelectric switch 901 . In order to make the second pedal 7 move up and down relative to the second upper shell 30 and the middle shell 50, the bottom of the contact through hole 902 is provided with a convex edge, and a spring (not shown) is provided above the convex edge, and the spring is placed in the contact through hole 902. In the hole 902 , one end is in contact with the convex edge, and the other end is connected with the contact post 904 on the pedal, which is used for the reset of the second pedal 7 .

In another embodiment, as shown in FIG. 30 and FIG. 31 , 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. 7 and FIG. 8 , the movable mounting hole may 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 retractable, 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 902 .

The connection method of the middle shell is particularly important for the overall stability of the balance car. 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. 2 and FIG. 11 , 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. 2 and FIG. 11 , 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 of the drawing. 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. 2 and FIG. 17 , the third connecting structure 502 is a connecting column, the fourth connecting structure 401 is a connecting column, the third connecting structure 502 and the fourth connecting 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. 2 and FIG. 17 , 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 of the drawing. 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. 11 , the lower side of the second upper shell 30 is provided with a receiving portion 302 , the receiving portion 302 is a groove structure, and the upper part of the middle shell 50 is located in the receiving portion 302 , Or the middle shell 50 is located in the accommodating part 302 as a whole. At this time, 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, so as to avoid the second upper shell 50. The second upper shell 30 is damaged beyond the load-bearing range, which improves the mechanical strength of the balancing vehicle and ensures the service life of the balancing vehicle.

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 upper portion 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, the middle shell 50 is provided with a middle shell reinforcing rib for enhancing 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 the horizontal line, the user can stand on the first vehicle body 1 and the second vehicle body 2 stably to operate.

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. 20 and FIG. 21 , the seventh connection structure 101 is a connection column, and a connection hole is formed thereon, and the eighth connection structure 201 is a connection column, and a connection hole is formed therethrough, 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. 20 and FIG. 21 , the fifth connecting structure 303 is a connecting column, and a connecting hole is formed thereon, the sixth connecting structure 402 is a connecting column, which is provided with a connecting hole, and the first connecting column is It is used for connecting the second upper shell 30 and the middle shell 50 , and the second connecting column is used for connecting the second upper shell 30 and the second lower shell 40 . 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, the overall structure of the second body 2 is more stable, the load bearing is higher, and the operation of the balance vehicle safer.

Regarding the installation position of the first wheel 70 , in some embodiments, the first vehicle body 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 vehicle body 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 vehicle body includes a 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 vehicle body includes a first control panel 4. In order to protect the first control panel 4, the first control panel 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 first wheel body and the second wheel are easy to roll up sundries or water when they rotate. If sundries or water enter the first body 1 or the second body 2, the first body 1 and the second The electronic components in the body 2 are damaged, which affects the normal operation of the balance car and poses a potential safety hazard. Based on the above embodiment, the first wheel body 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. Therefore, the first and second axles need to be well prepared. on the 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 body and the first vehicle body 1 may adopt the same sealing method, and may also 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 position the middle shell 50 , one end of the middle shell 50 abuts 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 body and the second wheel to prevent the first wheel body and the second wheel body from The second wheel splashes sewage or stains during driving, which affects the user's experience. More specifically, the first vehicle body 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. The first fender 104 and the first fender 104 The upper shell 10 is an integral structure; the second vehicle body 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 some embodiments, the first vehicle body 1 and the second vehicle body 2 need 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. 19 and FIG. 21 , the stopper 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 bearing groove or a sleeve groove is provided in the rotating upper connecting shaft and the rotating lower connecting shaft, more specifically In other words, when the bearing 35 is sleeved on the rotating shaft 33, there are bearing grooves or sleeve grooves in the rotating upper connecting groove 507 and the rotating lower connecting groove 405; when the second sleeve is sleeved on the rotating shaft 33, Sleeve bearing grooves or sleeve grooves are provided 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. The connection point of the second vehicle body 2, that is, the position corresponding to the rotating mechanism 3, as shown in FIG. 20, the indicator light plate 508 is disposed 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 . The upper rotating connecting groove 507 is provided with a light plate post 5081 and a first indicating light hole 5082, and the second upper casing 30 is provided with a covering portion 310 at the position corresponding to the rotating upper connecting groove, and the covering portion 310 is used to cover the rotation on the middle casing. On the outer wall of the upper connecting groove, a second indicator hole 3101 is provided at the position corresponding to the first indicator hole 5082 in the cover portion 310. The lamp board post 5081 is used to install the indicator board 508, the first indicator hole 5082 and the second indicator hole 5082. The indicator hole 3101 is used to transmit light from the light emitting device on the indicator plate 508 , and the position of the indicator hole 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 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 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 balance car can be ensured.

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. 22 , 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 about the axis of the rotation shaft 33 as the center of the circle. In the specific example shown in FIG. 22 , 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. 22 and FIG. 23, the indicator light plate 508 is arranged above the relative position of the second upper shell 30 and the rotating shaft 33. 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 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 another embodiment, the second end 32 of the rotating mechanism 3 is rotatably arranged in the second vehicle body 2, and the first end 31 is fixedly arranged in the first vehicle body 1, more specifically, as shown in FIG. 32 and the accompanying drawings. As shown in FIG. 33 , the first end 31 of the rotating mechanism 3 is fixedly arranged between the first upper casing 10 and the first lower casing 20 , and the second end 32 of the rotating mechanism 3 is rotatably sandwiched between the second upper casing 30 and the first lower casing 20 . Between the second lower shells 40 , a limiting mechanism is provided on the second upper shell 30 and/or 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 . 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. 32 and FIG. 33 , the stopper 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. The connection point of the second vehicle body 2 , that is, the position corresponding to the rotating mechanism 3 , as shown in FIG. 9 and FIG. 10 , 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 . At this time, the second axle mounting seat is provided on the second upper shell, and the first through groove 503 is provided at the position corresponding to the middle shell and the second axle mounting seat.

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 arranged on the middle shell 50, the second axle is connected with the middle shell 50, then preferably, the second end 32 of the rotating mechanism 3 is rotatably arranged on the middle shell 50 and the second Between the lower shells 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 upper shell 30, the second axle In connection with the second upper shell 30 , preferably, the second end 32 of the rotating mechanism 3 is rotatably sandwiched between the second upper shell 30 and the second lower shell 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. 28 and FIG. 29 , 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 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 the rotation is limited by the limiter.

In another embodiment, the difference from the above-mentioned embodiment is that both ends of the rotating shaft 33 are rotatably connected to the hollow cylindrical structures on the first vehicle body 1 and the second vehicle body 2, more specifically, the first upper shell 10 or the hollow cylindrical structure provided on the first lower shell 20 is a third sleeve (not shown), the hollow cylindrical structure provided on the middle shell 50 is a first sleeve 506, and one end of the rotating shaft 33 is rotatably arranged on the first sleeve 506. Three sleeves, and the other 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.

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 (21)

1. The utility model provides a balance automobile-used mesochite, includes the body, its characterized in that: the body is provided with an upper shell connecting mechanism and/or a lower shell connecting mechanism.

2. The balance car center shell of claim 1, wherein: the body is provided with a rotating mechanism connecting part at the first end, and an axle mounting seat is arranged at the second end far away from the first end of the body.

3. The center housing for a balance vehicle according to claim 2, wherein the turning mechanism connecting portion includes a cylindrical portion for fitting the turning mechanism to turn; or the rotating mechanism connecting part comprises a rotating mechanism connecting groove; and a bearing groove or a sleeve groove is arranged in the rotating mechanism connecting groove and is used for being matched with the rotating mechanism to rotate.

4. The middle shell for the balance vehicle as claimed in claim 3, wherein a lamp post and an indicator lamp hole are provided in the rotating mechanism connecting groove.

5. The center housing for the balance vehicle of claim 2, wherein the axle mount includes an axle wafer fixing hole and an axle mounting groove; the axle pressing sheet fixing holes comprise two groups, and the two groups of axle pressing sheet fixing holes are symmetrically arranged on two sides of the axle mounting groove.

6. The middle shell for the balance vehicle as claimed in claim 2, wherein the body is provided with a first through groove; the first through grooves are two and are respectively located on two sides of the axle mounting seat.

7. The balance car center shell of claim 1, wherein: the body is provided with a control panel connecting column.

8. The balance vehicle center shell of claim 7, wherein: a second through groove is formed in the body; the control panel spliced pole includes two sets ofly, it is located to lead to the groove two sets of between the control panel spliced pole.

9. The middle shell for the balance vehicle of any one of claims 1 to 8, wherein the upper shell connecting mechanism is a connecting hole or a connecting column; the lower shell connecting mechanism is a connecting hole or a connecting column.

10. The middle shell for the balance vehicle according to claim 9, wherein the upper shell connecting mechanisms comprise two groups, the two groups of upper shell connecting mechanisms are symmetrically arranged on the body, and/or the connecting line of the two groups of upper shell connecting mechanisms is perpendicular to the horizontal line; the lower shell connecting mechanisms comprise two groups, the two groups of lower shell connecting mechanisms are symmetrically arranged on the body, and/or the connecting line of the two groups of lower shell connecting mechanisms is perpendicular to the horizontal line.

11. The middle shell for the balance vehicle of any one of claims 1 to 8, wherein the body is provided with a pedal mounting hole.

12. The middle shell for the balance vehicle according to any one of claims 1 to 8, wherein the body is provided with a contact through hole through which a contact of the pedal is fitted with an opto-electronic switch provided at a lower side of the body.

13. The balance vehicle middle shell according to claim 12, wherein a spring is provided in the contact penetrating hole so that the pedal can be rebounded.

14. The middle shell for the balance vehicle according to claim 12, wherein the contact through holes comprise two contact through holes, two contact through holes are symmetrically arranged on two sides of the axle mounting seat, and/or the contact through holes are arranged on the side of the control panel connecting column.

15. The middle shell for the balance vehicle according to any one of claims 1 to 8, wherein the body is provided with a mounting groove for mounting a photoelectric switch; the mounting groove is internally provided with a third wire passing hole or the side edge of the mounting groove is provided with a third wire passing hole.

16. A balance car comprising a first upper shell, a first lower shell, a second upper shell, a second lower shell, and a middle shell for the balance car according to any one of claims 1 to 15, wherein the middle shell is disposed between the second upper shell and the second lower shell, and the first upper shell is connected with the first lower shell;

the second upper shell is provided with a middle shell first connecting mechanism corresponding to the position of the upper shell connecting mechanism, and the middle shell is connected with the second upper shell through the upper shell connecting mechanism and the middle shell first connecting mechanism; and/or, corresponding to the position of the lower shell connecting mechanism, the second lower shell is provided with a middle shell second connecting mechanism, and the middle shell is connected with the second lower shell through the lower shell connecting mechanism and the middle shell second connecting mechanism.

17. The balance vehicle of claim 16, further comprising a second wheel mounted on the center shell; and/or further comprising a first wheel mounted on the first upper shell.

18. The balance vehicle of claim 17, wherein a first axle mount is provided on an underside of the first upper shell; the first axle mounting seat comprises a first axle pressing sheet fixing hole and a first axle mounting groove; the first axle pressing piece fixing holes comprise two groups, and the two groups of first axle pressing piece fixing holes are symmetrically arranged on two sides of the first axle mounting groove; a first control panel connecting column is arranged on the lower side of the first upper shell; the first control panel connecting columns comprise two groups, and the two groups of first control panel connecting columns are respectively arranged on two sides of the first axle mounting seat.

19. The balance car of claim 16, wherein a covering portion is provided at a position of the second upper case corresponding to the rotating mechanism connecting groove; and a second indicator lamp hole is arranged in the covering part.

20. The balance car of claim 16, wherein a second pedal mounting hole is formed in the second upper shell, a first pedal mounting hole is formed in the middle shell, the first pedal mounting hole corresponds to the second pedal mounting hole, and the pedal comprises a movable connecting fixing column which is matched with the first pedal mounting hole and the second pedal mounting hole, so that the pedal is movably fixed on the second upper shell.

21. The balance car of claim 16, wherein when the photoelectric switch is disposed under the middle housing, the second upper housing is provided with a contact hole, and the middle housing is provided with a contact through hole; when the pedal is arranged on the second upper shell, a contact on the pedal is matched with a photoelectric switch below the middle shell for the balance car through the contact hole and the contact through hole; and a spring is arranged in the contact penetrating hole, so that the pedal can rebound.

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