CN111846081A

CN111846081A - Balance car

Info

Publication number: CN111846081A
Application number: CN202010788897.4A
Authority: CN
Inventors: 臧传美
Original assignee: Zhejiang Aerlang Technology Co Ltd
Current assignee: Zhejiang Aerlang Technology Co Ltd
Priority date: 2020-08-07
Filing date: 2020-08-07
Publication date: 2020-10-30

Abstract

The invention discloses a balance car, which comprises a first car body and a second car body, and is characterized in that: the first vehicle body includes a first upper shell, a first lower shell, and a first wheel, the second vehicle body includes a second upper shell, a middle shell, a second lower shell, and a second wheel, the middle shell is disposed between the second upper shell and the second lower shell; and a second axle mounting seat is arranged at the outer side end of the middle shell, and the second wheel is connected with the second axle mounting seat. Its advantage lies in, sets up the second axletree mount pad at the mesochite, avoids setting up too much parts on the second epitheca, utilizes the mechanical strength of mesochite simultaneously, makes the second axletree of second wheel rotate more stably to improve the stability and the security of traveling of whole balance car.

Description

Balance car

Technical Field

The invention relates to the technical field of balance cars, in particular to a balance car.

Background

The operation principle of the electric balance vehicle is mainly based on a basic principle called dynamic stability, a gyroscope and an acceleration sensor in the vehicle body are used for detecting the change of the vehicle body posture, and a servo control system is used for driving an axle to perform corresponding adjustment so as to keep the balance of the system. Is a novel green and environment-friendly product used as a travel tool and leisure and entertainment by modern people. The electric balance car mainly comprises a single wheel and two wheels, wherein the safety factor of the double-wheel balance car is higher, and the electric balance car is more suitable for walking instead of walking. Wheels are connected to the body of the double-wheel balance car, and the axle installation of the wheels plays an important role in the stable operation of the whole car body.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide the balance car, the first wheel and the second wheel are stably installed, the stability of the whole car is stronger, and the use is safer.

The purpose of the invention is realized by adopting the following technical scheme:

a balance car comprises a first car body and a second car body, wherein the first car body comprises a first upper shell, a first lower shell and a first wheel, the second car body comprises a second upper shell, a middle shell, a second lower shell and a second wheel, and the middle shell is arranged between the second upper shell and the second lower shell; and a second axle mounting seat is arranged at the outer side end of the middle shell, and the second wheel is connected with the second axle mounting seat.

Preferably, the second axle mount includes a second axle pad securing hole and a second axle mounting slot; 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.

Preferably, a second control plate connecting column is arranged on the lower side of the middle shell and correspondingly arranged on the outer side of the second axle mounting seat; the second control panel connecting columns comprise two groups, and the two groups of second control panel connecting columns are correspondingly arranged on two sides of the second axle mounting seat respectively.

Preferably, a second control plate connecting column is arranged on the lower side of the second upper shell, a through groove is formed in the middle shell, and the second control plate connecting column penetrates through the through groove and is correspondingly arranged on the side edge of the second axle mounting seat; the second control panel connecting columns comprise two groups, and the two groups of second control panel connecting columns are correspondingly arranged on two sides of the second axle mounting seat respectively.

Preferably, the second wheel comprises a second axle, a first wheel baffle is arranged on one side, close to the second wheel, of the second upper shell, a second wheel baffle is arranged on one side, close to the second wheel, of the second lower shell, the first wheel baffle and the second wheel baffle are correspondingly arranged to form a seal for the second axle, and the outer side end, close to the second wheel, of the middle shell abuts against the first wheel baffle or the second wheel baffle so as to position the middle shell; and/or

The first wheel comprises a first axle, a third wheel baffle is arranged on one side, close to the first wheel, of the first upper shell, a fourth wheel baffle is arranged on one side, close to the first wheel, of the first lower shell, the third wheel baffle and the fourth wheel baffle are correspondingly arranged to form sealing for the first axle

Preferably, the first vehicle body further comprises a first mudguard, the first mudguard is arranged at the outer side of the first upper shell and is positioned above the first wheel, and the first mudguard and the first upper shell are of an integrated structure; and/or

The second vehicle body further comprises a second fender, the second fender is arranged on the outer side of the second upper shell and located above the second wheel, and the second fender and the second upper shell are of an integrated structure

Preferably, the balance car further comprises a rotating mechanism, a first end of the rotating mechanism is connected with the first car body, and a second end of the rotating mechanism is connected with the second car body; and the second end of the rotating mechanism is rotatably connected with the middle shell.

Preferably, be equipped with on the second mesochite and rotate the upper junction groove, be equipped with on the second inferior valve and rotate lower junction groove, slewing mechanism's second end clamp is established rotate upper junction groove with rotate under in the junction groove, and with the second car body rotates to be connected.

Preferably, a rotating mechanism fixing groove is formed in one side, close to the middle shell, of the first upper shell and/or the first lower shell; the second end of the rotating mechanism is fixedly arranged between the first upper shell and the first lower shell through the rotating mechanism fixing groove; or

A rotating mechanism fixing column is arranged on one side, close to the middle shell, of the first upper shell and/or the first lower shell; the second end of the rotating mechanism is fixedly arranged between the first upper shell and the first lower shell through the rotating mechanism fixing column.

Preferably, a first axle mounting seat is arranged on the first upper shell or the first lower shell, and 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 first upper shell or the first lower 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.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the second axle mounting seat is arranged on the middle shell, so that excessive parts are prevented from being arranged on the second upper shell, and meanwhile, the mechanical strength of the middle shell is utilized to enable the second axle of the second wheel to rotate more stably, thereby improving the stability and the driving safety of the whole balance car.

Drawings

Fig. 1 is an exploded view of a balance car according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of an exploded view of the embodiment of FIG. 1 from another angle;

fig. 3 is an exploded view of a balance car according to another embodiment of the present invention, showing an embodiment in which contact penetration holes are provided on a second upper case;

FIG. 4 is a schematic structural diagram of a middle shell according to an embodiment of the present invention;

FIG. 5 is a schematic view of an alternate angle of the mid-shell of the embodiment of FIG. 4;

FIG. 6 is a schematic structural diagram of a middle shell according to another embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a second upper case according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a second upper case according to another embodiment of the present invention;

fig. 9 is a structural view of a second lower case according to an embodiment of the present invention.

In the figure: 1. a first vehicle body; 2. a second vehicle body; 3. a rotating mechanism; 31. a first end; 32. a second end; 33. a rotating shaft; 34. a limiting part; 35. a bearing; 36. a rotating mechanism fixing hole; 37. a limiting block; 38. a limiting block mounting groove; 4. a first control board; 5. a second control board; 10. a first upper case; 101. a third wheel guard; 102. a first fender; 103. a rotating mechanism fixing groove; 104. the rotating mechanism fixes the column; 105. a first control panel connection column; 20. a first lower case; 201. a fourth wheel guard; 202. a first axle slot; 30. a second upper case; 301. a first wheel guard; 302. a second mudguard; 303. a covering section; 304. a second indicator light hole; 305. a lamp shade; 40. a second lower case; 401. a second wheel guard; 402. a second axle slot; 403. rotating the lower connecting groove; 50. a middle shell; 501. a second control panel connecting column; 502. rotating the upper connecting groove; 503. a through groove; 504. an indicator light panel; 505. a light panel post; 506. a first indicator light hole; 60. a first wheel; 601. a first axle; 602. a first axle mount; 603. a first axle plate fixing hole; 604. a first axle mounting groove; 605. a first axle wafer; 70. a second wheel; 701. a second axle; 702. a second axle mount; 703. a second axle clamp securing hole; 704. a second axle mounting groove; 705. and a second axle pressing sheet.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. 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 the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, a definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and in the description of the invention, "a number" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "assembled", "connected", and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; or may be a mechanical connection; the two elements can be directly connected or connected through an intermediate medium, and the two elements can be communicated with each other. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

Referring to fig. 1 to 9, a balance car according to an embodiment of the present invention will be explained in the following description, wherein a middle shell located in a second car body solves the problem of poor stability of the whole car in the prior art; the second axle mounting seat is arranged on the middle shell, so that excessive parts are prevented from being arranged on the second upper shell, and the mechanical strength of the second vehicle body is improved.

As shown in fig. 1 to 5, the present invention relates to a balance car, which includes a first car body and a second car body, wherein the first car body includes a first upper shell, a first lower shell and a first wheel, the second car body includes a second upper shell, a middle shell, a second lower shell and a second wheel, and the middle shell is disposed between the second upper shell and the second lower shell; and a second axle mounting seat is arranged at the outer side end of the middle shell, and the second wheel is connected with the second axle mounting seat.

As shown in fig. 1 to 9, the first vehicle body 1 and the second vehicle body 2 are disposed opposite to each other, and the first vehicle body 1 and the second vehicle body 2 may be relatively stationary or may be relatively rotated by the rotating mechanism 3. The first vehicle body 1 can be a left vehicle body in a balance vehicle, and correspondingly, the second vehicle body 2 is a right vehicle body in the balance vehicle; in some embodiments, the first body 1 may be a right body in a balance car, and correspondingly, the second body 2 may be a left body in the balance car. It should be noted that the positions of the first vehicle body 1 and the second vehicle body 2 have no substantial influence on the structures thereof, and can be used normally.

In some embodiments, second wheel 70 includes a second axle 701, center housing 50 has a second axle mount 702 thereon, and second axle mount 702 includes a second axle tab securing hole 703 and a second axle mounting slot 704; the second axle mounting grooves 704 are adapted to a second axle, the second axle is placed in the second axle mounting grooves, the second axle holding holes 703 include two sets, and the two sets of second axle holding holes 703 are symmetrically disposed on both sides of the second axle mounting grooves 704. A second axle pressing sheet 705 is further arranged on the second axle mounting seat 702, and the second axle is fixed in the second axle mounting groove through the second axle pressing sheet 705; the second axle wafer 705 is fixedly coupled to the second axle mounting bracket 702 via screws to ensure that the second axle does not disengage from the second axle mounting bracket. In combination with the above embodiment, preferably, the thickness of the middle case 50 is greater than that of the second upper case 30; because the middle shell 50 has a relatively thick thickness and relatively high mechanical strength, in the specific example shown in fig. 1 to 3, the second axle mounting seat is arranged at the bottom of the middle shell 50, so that the second axle is more firmly mounted, and the second wheel can more stably drive the second vehicle body 2 to operate.

In some embodiments, the first wheel 60 includes a first axle 601, the first upper shell 10 is provided with a first axle mounting seat 602, and the first axle mounting seat 602 includes a first axle plate fixing hole 603 and a first axle mounting slot 604; first axletree mounting groove 604 and first axletree adaptation, first axletree is laid in first axletree mounting groove, and first axletree pressure piece fixed orifices 603 includes two sets ofly, and two sets of first axletree pressure piece fixed orifices 603 symmetry sets up in first axletree mounting groove 604 both sides. The first axle mounting seat 602 is further provided with a first axle pressing sheet 605, and the first axle is fixed in the first axle mounting groove through the first axle pressing sheet 605; the first axle wafer 605 is fixedly connected to the first axle mounting seat 602 by screws to ensure that the first axle does not disengage from the first axle mounting groove.

In other embodiments, the first wheel 60 is disposed on the outer side end of the first lower shell 20 away from the middle shell 50, and more specifically, the first wheel 60 includes a first axle 601, the first lower shell 20 is provided with a first axle mount 602, and the first axle mount 602 includes a first axle plate fixing hole 603 and a first axle mounting slot 604; first axletree mounting groove 604 and first axletree adaptation, first axletree is laid in first axletree mounting groove, and first axletree pressure piece fixed orifices 603 includes two sets ofly, and two sets of first axletree pressure piece fixed orifices 603 symmetry sets up in first axletree mounting groove 604 both sides. The first axle mounting seat 602 is further provided with a first axle pressing sheet 605, and the first axle is fixed in the first axle mounting groove through the first axle pressing sheet 605; the first axle wafer 605 is fixedly connected to the first axle mounting seat 602 by screws to ensure that the first axle does not disengage from the first axle mounting groove.

Based on the above embodiment, preferably, the first component group includes the first control board 4, in order to protect the first control board 4, the first control board 4 is located between the first upper shell 10 and the first lower shell 20, the first upper shell 10 or the first lower shell 20 is provided with the first control board connection column 105, and the first control board 4 is fixedly connected with the first upper shell 10 or the first lower shell 20 through the first control board connection column 105; in order to make the installation of the first control board 4 more firm, the first control board connection posts 105 include two sets, and the two sets of first control board connection posts 105 are respectively arranged on two sides of the first axle mounting seat 602, so that the first control board 4 does not interfere with the first axle mounting seat 602.

Based on the above embodiments, in some embodiments, the second component set includes the second control board 5, in order to protect the second control board 5, the second control board 5 is located between the middle shells 50, the second control board connection column 501 is disposed at the lower side of the middle shell 50, and the second control board 5 is fixedly connected with the middle shell 50 through the second control board connection column 501; in order to make the installation of the second control board 5 more secure, the second control board connection columns 501 include two sets, and the two sets of second control board connection columns 501 are respectively disposed on two sides of the second axle mounting seat 702, so that the second control board 5 does not interfere with the second axle mounting seat 702.

In other embodiments, the second control board connection column 501 is disposed at the lower side of the second upper case 30, and more specifically, the second component group includes the second control board 5, the second control board 5 is disposed below the middle case 50, the middle case 50 is provided with the through groove 503, the second upper case 30 is provided with the second control board connection column 501, and the second control board connection column 501 passes through the through groove 503 to be connected with the second control board 5. In this way, the structure of the middle shell 50 can be simplified, so that the second upper shell 30 and the middle shell 50 can be more conveniently installed, and assembly errors can be avoided; and through the second control panel connecting column 501, the second upper shell 30 is more closely connected with the middle shell 50, which is beneficial to improving the mechanical strength of the second vehicle body 2, thereby improving the stability of the whole balance vehicle. In order to make the installation of the second control board 5 more secure, the second control board connection columns 501 include two sets, and the two sets of second control board connection columns 501 are respectively disposed on two sides of the second axle mounting seat 702, so that the second control board 5 does not interfere with the second axle mounting seat 702. At this time, the second axle mounting seat 702 is located at the lower side of the middle shell 50, the number of the through grooves 503 is two, and the two through grooves 503 are located at two sides of the second axle mounting seat 702, so that the second control board connecting columns 501 pass through the through grooves 503 and then are located at two sides of the second axle mounting seat 702.

The first wheel body and the second wheel are easy to roll up sundries or water when rotating, and if the sundries or the water enter the first vehicle body 1 or the second vehicle body 2, electronic elements in the first vehicle body 1 and the second vehicle body 2 are easy to damage, normal operation of the balance car is affected, and potential safety hazards exist. Based on the above embodiments, the first wheel body is mainly connected with the first vehicle body 1 by the first axle, and the second wheel body is mainly connected with the second vehicle body 2 by the second axle, so that the sealing work on the first axle and the second axle is needed. Taking the connection between the second axle and the second vehicle body 2 as an example, a first wheel baffle 301 is disposed on one side of the second upper shell 30 close to the second wheel, a second wheel baffle 401 is disposed on one side of the second lower shell 40 close to the second wheel, and the first wheel baffle 301 and the second wheel baffle 401 are correspondingly disposed to form an axle seal, that is, a seal of the second axle. More specifically, the first wheel fender 301 and the second wheel fender 401 abut against each other after the second upper shell 30 and the second lower shell 40 are mounted and closed, and only a second axle hole for the second axle to pass through and rotate is left, and the second axle hole may be provided in the first wheel fender 301 or the second wheel fender 401. In the specific example shown in fig. 1, the second axle groove 402 is provided at the upper edge of the second wheel fender 401, and after the first wheel fender 301 abuts against the second wheel fender 401, a complete second axle hole is formed, and the shape of the second axle hole is adapted to the second axle.

The axle seal between the first wheel and the first vehicle body 1 may be in the same manner, or may be in any other conventional sealing structure. More specifically, the first wheel 70 includes a first axle 701, a third wheel guard 101 is disposed on a side of the first upper shell 10 close to the first wheel 70, a fourth wheel guard 201 is disposed on a side of the first lower shell 20 close to the first wheel 70, and the third wheel guard 101 and the fourth wheel guard 201 are correspondingly disposed to form a seal with the first axle 701. The third wheel baffle 101 and the fourth wheel baffle 201 are arranged on the first upper shell 10 and the first lower shell 20 and close to each other, only a first axle hole for the first axle to pass through and rotate is reserved, the first axle hole can be arranged on the first wheel baffle 301 or the second wheel baffle 401, and the first axle hole can be formed by a first axle groove 202 and the third wheel baffle 101 or the first axle groove 202 and the fourth wheel baffle 201. More specifically, as shown in the specific example of fig. 1, the first axle slot 202 is disposed at the upper edge of the third wheel fender 101, and after the third wheel fender 101 abuts against the fourth wheel fender 201, a complete first axle hole is formed, and the shape of the first axle hole is adapted to the first axle.

In some embodiments, to better position the center shell 50, one end of the center shell 50 abuts against the first wheel fender 301 to position the center shell 50, which acts as a stop for the center shell 50. More specifically, a surface of the center shell 50 close to the first wheel guard 301 is a flat surface, the flat surface abuts against an inner wall of the first wheel guard 301, and the second axle mounting seat 702 on the center shell 50 corresponds to a second axle hole, and the second axle mounting groove is concentrically disposed with the second axle hole. Preferably, the first wheel baffle 301 is provided with a reinforcing rib for reinforcing the mechanical strength of the first wheel baffle 301, and the plane on the middle shell 50 abuts against 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 body to prevent the first wheel body and the second wheel body from splashing sewage or dirt during driving, which affects the use experience of a user. More specifically, the first component group further includes a first mudguard 102, the first mudguard 102 is disposed outside the first upper shell 10 and above the first wheel 60, and the first mudguard 102 and the first upper shell 10 are of an integral structure; the second assembly further includes a second fender 302, the second fender 302 is disposed outside the second upper shell 30 and above the second wheel 70, and the second fender 302 and the second upper shell 30 are of an integral structure. In some embodiments, only the first fender 102 may be present, only the second fender 302 may be present, or both the first vehicle body 1 and the second vehicle body 2 may be provided with fenders, so as to improve the use experience of the user.

In some embodiments, the first vehicle body 1 and the second vehicle body 2 are required to rotate relatively to control the operation of the balance car, and therefore, the balance car further comprises a rotating mechanism 3, one end of the rotating mechanism 3 is connected with the first vehicle body 1, and the other end of the rotating mechanism 3 is connected with the second vehicle body 2.

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, the first end 31 of the rotating mechanism 3 is fixedly disposed between the first 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, a limiting mechanism is disposed on the middle shell 50 and/or on the second lower shell 40, the rotating mechanism 3 includes a rotating shaft 33 and a limiting mechanism, and the limiting mechanism is adapted to the limiting portion 34 on the rotating shaft 33 to limit the rotating 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 limiting mechanism comprises a limiting block 37 and a limiting block mounting groove 38, the limiting block mounting groove 38 can be arranged on the second lower shell 40, the middle shell 50 can also be arranged, and the limiting block mounting groove 38 can be arranged on both the second lower shell 40 and the middle shell 50. In the specific example shown in fig. 1 and 3, the stopper mounting groove 38 is provided on the second lower case 40. One end of the rotating shaft 33 between the middle shell 50 and the second lower shell 40 is provided with a limiting part 34, the limiting part 34 comprises a limiting boss with a notch, the limiting block 37 is a limiting piece corresponding to the limiting boss, and the top surface of the limiting piece can respectively abut against the two ends of the limiting boss when the rotating shaft 33 rotates so as to limit the rotating 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 502, the second lower shell 40 is provided with a rotating lower connecting groove 403 at the position corresponding to the rotating upper connecting groove 502, the rotating mechanism 3 is rotatably arranged between the rotating upper connecting groove 502 and the rotating lower connecting groove 403, the rotating mechanism 3 comprises a rotating shaft 33, in order to realize the rotating connection of the rotating shaft 33 and the rotating upper connecting shaft and the rotating lower connecting shaft, one end of the rotating shaft 33, which is arranged between the middle shell 50 and the second lower shell 40, is sleeved with a second sleeve or a bearing 35, and in order to install the bearing 35 or the sleeve, a limiting groove is arranged in the rotating upper connecting shaft and the rotating lower connecting shaft, more specifically, when the bearing 35 is sleeved on the rotating shaft 33, a bearing limiting groove is arranged in the rotating upper connecting; when the second sleeve is sleeved on the rotating shaft 33, sleeve limiting grooves are formed in the upper rotating connecting groove 502 and the lower rotating connecting groove 403. The shaft 33 is rotatable in a second sleeve or bearing 35, so that the first body 1 and the second body 2 can rotate relatively.

First automobile body 1 and second automobile body 2 pass through slewing mechanism 3 to be connected, and for the convenience of customers observation balance car's behavior, the balance car still includes indicator lamp plate 504, and indicator lamp plate 504 is connected with control circuit board, and the operating condition of accessible above that luminescent device feedback balance car. In order to keep the balance of the balance car, pedals are arranged on the first car body 1 and the second car body 2 for users to pedal, and in order to prevent the users from shielding light of the light emitting device, the indicator lamp panel 504 is arranged at the joint of the first car body 1 and the second car body 2, namely, at the position corresponding to the rotating mechanism 3, as shown in fig. 1, the indicator lamp panel 504 is arranged below the relative position of the middle shell 50 and the rotating shaft 33, and more specifically, is located in the rotating upper connecting groove 502. The upper rotating connecting groove 502 is provided with a lamp panel post 505 and a first indicator lamp hole 506, the second upper shell 30 is provided with a covering part 303 corresponding to the upper rotating connecting groove, a second indicator lamp hole 304 is arranged at a position where the covering part 303 corresponds to the first indicator lamp hole 506, the lamp panel post 505 is used for installing the indicator lamp panel 504, the first indicator lamp hole 506 and the second indicator lamp hole 304 are used for transmitting light rays of a light emitting device on the indicator lamp panel 504, and the position of the indicator lamp hole corresponds to the light emitting device on the indicator lamp panel 504. The light-emitting device can be an LED lamp bead or other small-sized lamps. A lamp cover 305 is covered on the second indicator lamp hole 304.

The connection structure of the first end 31 of the rotating mechanism 3 with the first upper shell 10 and the first lower shell 20 may be: one end of the first upper shell 10 close to the second upper shell 30 is provided with a rotating mechanism fixing groove 103, correspondingly, one end of the first lower shell 20 close to the second lower shell 40 is provided with a rotating mechanism fixing groove 103, the rotating mechanism 3 is fixed between the rotating mechanism fixing groove 103 and the rotating mechanism fixing groove 103, after the rotating mechanism fixing groove 103 and the rotating mechanism fixing groove 103 are fixedly connected with the first upper shell 10 and the first lower shell 20, a fixing groove fixedly connected with the first end 31 of the rotating mechanism 3 is formed, the fixing groove can limit the relative rotation of the first end 31 of the rotating mechanism 3 and the first vehicle body 1, and the first vehicle body 1 and the second vehicle body 2 can smoothly rotate relatively. The connection structure of the first end 31 of the rotating mechanism 3 and the first upper shell 10 and the first lower shell 20 can also be: a rotating mechanism fixing column 104 is arranged at one end of the first upper shell 10 close to the second upper shell 30, a rotating mechanism fixing hole 36 is arranged at the first end 31 of the rotating mechanism 3, the rotating mechanism fixing column 104 is matched with the rotating mechanism fixing hole 36 in shape, the rotating mechanism 3 is fixed between the first upper shell 10 and the first lower shell 20 through the rotating mechanism fixing column 104, and during installation, the rotating mechanism fixing column 104 penetrates through the rotating mechanism fixing hole 36, so that the first end 31 of the rotating mechanism 3 is fixedly connected with the first vehicle body 1 and is relatively static, and the first vehicle body 1 and the second vehicle body 2 can smoothly rotate relatively; the rotating mechanism fixing hole 36 may be a through structure or a non-through structure, and when the rotating mechanism fixing hole 36 is a through structure, the rotating mechanism fixing column 104 may be disposed at the corresponding position of the first upper shell 10 and the first lower shell 20; when the rotating mechanism fixing hole 36 is a non-through structure, a rotating mechanism fixing post 104 is disposed at a corresponding position of the first upper case 10 or the first lower case 20, and the rotating mechanism fixing post 104 is disposed toward the rotating mechanism fixing hole 36, so that it can be inserted into the rotating mechanism fixing hole 36.

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

Claims

1. The utility model provides a balance car, includes first automobile body and second automobile body, its characterized in that: the first vehicle body includes a first upper shell, a first lower shell, and a first wheel, the second vehicle body includes a second upper shell, a middle shell, a second lower shell, and a second wheel, the middle shell is disposed between the second upper shell and the second lower shell; and a second axle mounting seat is arranged on the middle shell, and the second wheel is connected with the second axle mounting seat.

2. The balance car of claim 1, wherein: the second axle mount includes a second axle pad securing hole and a second axle mounting slot; the second axle pressing sheet fixing holes comprise two groups, and the two groups of second axle pressing sheet fixing holes are symmetrically arranged on two sides of the second axle mounting groove.

3. The balance car of claim 2, wherein: a second control panel connecting column is arranged on the lower side of the middle shell and correspondingly arranged on the outer side of the second axle mounting seat; the second control panel connecting columns comprise two groups, and the two groups of second control panel connecting columns are correspondingly arranged on two sides of the second axle mounting seat respectively.

4. The balance car of claim 2, wherein: a second control panel connecting column is arranged on the lower side of the second upper shell, a through groove is formed in the middle shell, and the second control panel connecting column penetrates through the through groove and is correspondingly arranged on the side edge of the second axle mounting seat; the second control panel connecting columns comprise two groups, and the two groups of second control panel connecting columns are correspondingly arranged on two sides of the second axle mounting seat respectively.

5. The balance car of claim 1, wherein: the second wheel comprises a second axle, a first wheel baffle is arranged on one side, close to the second wheel, of the second upper shell, a second wheel baffle is arranged on one side, close to the second wheel, of the second lower shell, the first wheel baffle and the second wheel baffle are correspondingly arranged to form sealing for the second axle, and the outer side end, close to the second wheel, of the middle shell abuts against the first wheel baffle or the second wheel baffle so as to position the middle shell; and/or

The first wheel comprises a first axle, a third wheel baffle is arranged on one side, close to the first wheel, of the first upper shell, a fourth wheel baffle is arranged on one side, close to the first wheel, of the first lower shell, and the third wheel baffle and the fourth wheel baffle are correspondingly arranged to form sealing for the first axle.

6. The balance car of claim 1, wherein: the first vehicle body further comprises a first mudguard, the first mudguard is arranged on the outer side of the first upper shell and is positioned above the first wheel, and the first mudguard and the first upper shell are of an integrated structure; and/or

The second vehicle body further comprises a second fender, the second fender is arranged on the outer side of the second upper shell and located above the second wheel, and the second fender and the second upper shell are of an integrated structure.

7. The balance car of claim 1, wherein: the first end of the rotating mechanism is connected with the first vehicle body, and the second end of the rotating mechanism is connected with the second vehicle body; and the second end of the rotating mechanism is rotatably connected with the middle shell.

8. The balance car of claim 7, wherein: the middle shell is provided with a rotating upper connecting groove, the second lower shell is provided with a rotating lower connecting groove, and the second end of the rotating mechanism is clamped between the rotating upper connecting groove and the rotating lower connecting groove and is rotatably connected with the second vehicle body.

9. The balance car of claim 7, wherein: a rotating mechanism fixing groove is formed in one side, close to the middle shell, of the first upper shell and/or the first lower shell; the second end of the rotating mechanism is fixedly arranged between the first upper shell and the first lower shell through the rotating mechanism fixing groove; or

10. The balance car of claim 1, wherein: the first upper shell or the first lower shell is provided with a first axle mounting seat, and 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 first upper shell or the first lower 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.