CN113276994A

CN113276994A - Syllogic leads to axle balance car

Info

Publication number: CN113276994A
Application number: CN202110513251.XA
Authority: CN
Inventors: 臧传美
Original assignee: Yongkang Xiaolang Technology Co Ltd
Current assignee: Yongkang Xiaolang Technology Co Ltd
Priority date: 2021-05-11
Filing date: 2021-05-11
Publication date: 2021-08-20

Abstract

The invention discloses a three-section type through shaft balance car, which comprises a first car body and a second car body and is characterized in that: the turning mechanism is connected with the first sub-shaft and the second sub-shaft, is partially positioned in the first vehicle body, and is partially positioned in the second vehicle body; the first vehicle body and the second vehicle body relatively rotate. The balance car has the advantages that the through shaft is additionally arranged in the car body of the balance car, so that the overall structural strength of the balance car is enhanced, the connection strength of the first car body and the second car body is improved, the bearing capacity of the balance car is improved, the situation that the connection part of the first car body and the second car body is deformed is avoided, and the safe operation of the balance car is ensured; divide into first minute axle and second minute axle with leading to the axle, make the independence of first automobile body and second automobile body stronger, be fit for controlling first automobile body and second automobile body respectively, guarantee the zonulae occludens of first automobile body and second automobile body simultaneously.

Description

Syllogic leads to axle balance car

Technical Field

The invention relates to the technical field of balance cars, in particular to a three-section type through shaft balance car.

Background

At present, a swing car in the balance car, it mainly rotates through the slewing mechanism in the middle of, and consequently, slewing mechanism is the stress concentration point of whole balance car, and when the bearing of balance car exceeded certain weight, slewing mechanism and with the easy deformation of hookup location of automobile body, eight characters phenomenon in the balance car can take place, and the operation and the security of balance car are sounded to the ghost image.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention aims to provide a three-section type through shaft balance vehicle, so that the overall strength of the balance vehicle and the connection strength of a first vehicle body and a second vehicle body are higher.

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

a three-section type through shaft balance car comprises a first car body, a second car body and a through shaft, wherein the through shaft comprises

A first split shaft transversely arranged in the first vehicle body and fixedly connected with the first vehicle body,

a second sub-axle disposed transversely in the second vehicle body and fixedly connected to the second vehicle body,

a rotating mechanism connecting the first sub-shaft and the second sub-shaft, and being partially located in the first vehicle body and partially located in the second vehicle body; the first vehicle body and the second vehicle body relatively rotate.

Preferably, the rotating mechanism comprises a connecting seat, a first rotating piece and a second rotating piece, the first rotating piece is sleeved on the first sub-shaft, the second rotating piece is sleeved on the second sub-shaft, the connecting seat is provided with a first rotating groove and a second rotating groove, the first rotating piece is installed in the first rotating groove, and the second rotating piece is installed in the second rotating groove.

Preferably, the first rotating member is a bearing or a shaft sleeve, and the second rotating member is a bearing or a shaft sleeve.

Preferably, the connecting seat comprises a first sub seat and a second sub seat, and the first sub seat and the second sub seat are fixedly connected to form a complete first rotating groove and a complete second rotating groove.

Preferably, a first limiting structure is arranged between the first sub-shaft and the rotating mechanism, the first limiting structure comprises a first limiting groove arranged on the connecting seat and a first limiting column arranged on the first sub-shaft, and the transverse size of the first limiting groove is larger than that of the first limiting column, so that the first limiting column can circumferentially swing in the first limiting groove to limit the angle;

the second split shaft and the rotating mechanism are provided with a second limiting structure, the second limiting structure comprises a second limiting groove and a second limiting column, the second limiting groove is formed in the connecting seat, the second limiting column is arranged on the second split shaft, and the transverse size of the second limiting groove is larger than that of the second limiting column, so that the second limiting column can circumferentially swing in the second limiting groove to limit the angle.

Preferably, the rotating mechanism comprises a connecting rod, a third rotating member and a fourth rotating member, the inner end of the first split shaft is of a hollow structure, and the third rotating member is sleeved at the first end of the connecting rod and is located in the inner end of the first split shaft; the inner end of the second sub-shaft is of a hollow structure, and the fourth rotating part is sleeved at the outer end of the connecting rod and located at the inner end of the second sub-shaft.

Preferably, the third rotating member is a sleeve or a lubricating layer, and the fourth rotating member is a sleeve or a lubricating layer.

Preferably, an annular boss is arranged in the middle of the connecting rod, and the outer edge of the third rotating part is positioned between the first sub-shaft and the end face of the annular boss; the outer edge of the fourth rotating part is positioned between the second sub-shaft and the end face of the annular boss.

Preferably, a first limiting structure is arranged between the first sub-shaft and the rotating mechanism, the first limiting structure comprises a first limiting groove arranged on the first sub-shaft and a first limiting column arranged at the first end of the connecting rod, and the transverse size of the first limiting groove is larger than that of the first limiting column, so that the first limiting column can circumferentially swing in the first limiting groove to limit the angle;

the second is divided epaxial with be equipped with second limit structure between the slewing mechanism, second limit structure is including setting up second spacing groove on the second divides epaxial and setting are in the spacing post of second on the outer end department of connecting rod, second spacing groove lateral dimension is greater than the size of the spacing post of second makes the spacing post of second is spacing groove mid-axial swing restriction angle.

Preferably, the cross section of the first split shaft is a non-circular section, a first clamping groove is formed in the first vehicle body, and the first split shaft is fixedly installed in the first clamping groove; the cross section of the second sub-shaft is a non-circular section, a second clamping groove is formed in the second vehicle body, and the second sub-shaft is fixedly installed in the second clamping groove; the first end of the first sub-shaft and the first end of the second sub-shaft are both provided with a circular shaft rotating part which is rotatably connected with the rotating mechanism.

Preferably, a first connecting post is arranged in the first vehicle body, a first connecting hole is formed in the first sub-shaft, the first connecting hole and the first connecting post are correspondingly arranged, and the first connecting post is inserted into the first connecting hole to enable the first vehicle body to be fixedly connected with the through shaft.

Preferably, a second connecting column is arranged in the second vehicle body, a second connecting hole is formed in the second branch shaft, the second connecting hole corresponds to the second connecting column, and the second connecting column is inserted into the second connecting hole to enable the second vehicle body to be fixedly connected with the through shaft.

Preferably, a first fixing frame is arranged on the first sub-shaft, the first fixing frame is fixedly connected with the first sub-shaft or is of an integrated structure, and the first vehicle body is fixedly connected with the first fixing frame.

Preferably, the first vehicle body comprises a first upper shell and a first lower shell, and the first fixing frame is arranged at the upper end of the first split shaft and is fixedly connected with the first upper shell; or the first fixing frame is arranged at the lower end of the first split shaft and is fixedly connected with the first lower shell.

Preferably, at least one of the first fixing frames is close to the rotating mechanism.

Preferably, at least one of the first mounts is proximate an outer end of the first split shaft.

Preferably, a second fixing frame is arranged on the second sub-shaft, the second fixing frame is fixedly connected with the second sub-shaft or is of an integrated structure, and the second vehicle body is fixedly connected with the second fixing frame.

Preferably, the second vehicle body comprises a second upper shell and a second lower shell, and the second fixing frame is arranged at the upper end of the second split shaft and fixedly connected with the second upper shell; or the second fixing frame is arranged at the lower end of the second split shaft and is fixedly connected with the second lower shell.

Preferably, at least one of the second fixing frames is close to the sleeve joint of the second split shaft and the second split shaft.

Preferably, at least one of the second mounts is proximate an outer end of the second split shaft.

Preferably, a first mounting plate is arranged on the first sub-shaft, the first mounting plate is fixedly sleeved on the first sub-shaft or is in an integrated structure with the first sub-shaft, and the first vehicle body is fixedly connected with the first mounting plate.

Preferably, the first vehicle body comprises a first upper shell and a first lower shell, the second vehicle body comprises a second upper shell and a second lower shell, a first mounting column is arranged on the first upper shell or the second lower shell, and the first mounting plate is fixedly connected with the first mounting column; the at least two first mounting columns are arranged at positions close to the outer ends of the first vehicle bodies, and the at least two first mounting columns are arranged at positions close to the inner ends of the first vehicle bodies.

Preferably, a first avoidance port is arranged on the first mounting plate.

Preferably, be equipped with the second mounting panel on the second minute axle, the fixed cover of second mounting panel is established on the second minute axle or with second minute axle formula structure as an organic whole, the second automobile body with second mounting panel fixed connection.

Preferably, the second vehicle body comprises a second upper shell and a second lower shell, a second mounting column is arranged on the second upper shell or the second lower shell, and the second mounting plate is fixedly connected with the second mounting column; the at least two second mounting columns are arranged at positions close to the outer end of the second vehicle body, and the at least two second mounting columns are arranged at positions close to the inner end of the second vehicle body.

Preferably, a second avoidance port is arranged on the second mounting plate.

Preferably, the balance car further comprises a first wheel, the first wheel comprises a first axle, a first connecting portion is arranged at the outer end of the first sub-axle, and the first axle and the first connecting portion are fixedly connected through a first fastener to form a first connecting portion.

Preferably, the first fastener passes through the first connection to be fixedly connected with the first vehicle body; the first vehicle body is provided with a first vehicle bearing connecting seat, the first connecting part is installed in the first vehicle axle connecting seat, and the first fastener is fixedly connected with the first vehicle bearing connecting seat.

Preferably, the first vehicle body includes a first upper shell and a first lower shell, the first vehicle bearing seat is disposed on the first upper shell or the first lower shell, and the first fastening member is fixedly connected to the first upper shell or the first lower shell.

Preferably, the first connecting portion is a hollow structure at the outer end of the first split shaft, the outer diameter of the first axle is matched with the inner diameter at the outer end of the first split shaft, a first fastening hole is formed in the first axle, a second fastening hole is formed in the first split shaft, and the first fastening piece is matched with the first fastening hole and the second fastening hole.

Preferably, the first connecting part comprises a first mating sleeve which is a hollow structure and comprises a first accommodating part matched with the outer diameter of the first axle, the first mating sleeve further comprises a first connecting sleeve connected with the first branch shaft and a first fastening part connected with the first axle, and the first fastening part is arranged on the first connecting sleeve; the first matching sleeve is fixedly connected with the outer end of the first sub-shaft in an integrated structure or a split type.

Preferably, the balance car further comprises a first wheel, the first wheel comprises a first axle, the first axle is fixedly connected with the first car body, and a gap is formed between the first axle and the outer end of the first split shaft; a first vehicle bearing connecting seat is arranged in the first vehicle body, and the first vehicle shaft is fixedly connected with the first vehicle bearing connecting seat; a gasket is arranged between the first axle and the first axle bearing connecting seat, and a first fastener penetrates through the first axle and is fixedly connected with the first axle bearing connecting seat.

Preferably, the balance car still includes the second wheel, the second wheel includes the second axletree, the outer end department of second minute axle is equipped with second connecting portion, the second axletree with second connecting portion pass through second fastener fixed connection, form the second junction.

Preferably, the second fastener passes through the second connection to be fixedly connected with the second vehicle body; the second car body is provided with a second car bearing connecting seat, the second connecting part is arranged in the second car axle connecting seat, and the second fastener is fixedly connected with the second car bearing connecting seat.

Preferably, the second vehicle body includes a second upper shell and a second lower shell, the second vehicle bearing seat is disposed on the second upper shell or the second lower shell, and the second fastening member is fixedly connected to the second upper shell or the second lower shell.

Preferably, the second connecting portion is a hollow structure at the outer end of the second sub-shaft, the outer diameter of the second axle is matched with the inner diameter at the outer end of the second sub-shaft, a fourth fastening hole is formed in the second axle, a fifth fastening hole is formed in the second sub-shaft, and the second fastening piece is matched with the fourth fastening hole and the fifth fastening hole.

Preferably, the second connecting portion includes a second mating sleeve, the second mating sleeve is a hollow structure and includes a second accommodating portion adapted to an outer diameter of the second axle, the second mating sleeve further includes a second connecting sleeve for connecting with the second branch shaft and a second fastening portion for connecting with the second axle, and the second fastening portion is disposed on the second connecting sleeve; the second matching set is fixedly connected with the outer end of the second split shaft in an integrated structure or a split type.

Preferably, the balance car further comprises a second wheel, the second wheel comprises a second axle, the second axle is fixedly connected with the second car body, and a gap is formed between the second axle and the outer end of the second sub-axle; a second vehicle bearing connection seat is arranged in the second vehicle body, and the second vehicle shaft is fixedly connected with the second vehicle bearing connection seat; a gasket is arranged between the second axle and the second axle bearing seat, and a second fastener penetrates through the second axle and is fixedly connected with the second axle bearing seat.

Preferably, a control panel and a control panel mounting structure are provided in the first vehicle body and/or the second vehicle body.

Preferably, control panel mounting structure includes the control grillage, the control grillage includes through-axle installation portion and control panel fixed part, through-axle installation portion includes the through-hole, the control grillage passes through the through-hole cover is established on the through-axle and through the control panel fixed part with the control panel is connected.

Preferably, when the first vehicle body is internally provided with a first control panel and a first control panel frame, the first control panel frame comprises a first fixing platform, and the first fixing platform is in contact with or clamped with or welded with or crimped with or fixedly connected with the first upper shell or the first lower shell surface through screws; when being equipped with second control board and second control grillage in the second car body, the second control grillage includes the fixed platform of second, shell face contact or joint or welding or crimping or screw fixation under second fixed platform and second epitheca or the second.

Preferably, the first control board frame comprises a plurality of first control board connecting columns, the first control board connecting columns and the first fixing platform are integrally arranged, when the first fixing platform is connected with the first upper shell, the first control board is arranged below the through shaft, the first control board connecting columns extend downwards, are positioned on two sides of the first split shaft and are fixedly connected with the first control board; when the first fixed platform is connected with the first lower shell, the first control board is arranged above the first split shaft, and the first control board connecting column extends upwards, is positioned on two sides of the first split shaft, and is fixedly connected with the first control board;

the second control plate frame comprises a plurality of second control plate connecting columns, the second control plate connecting columns and the second fixing platform are integrally arranged, when the second fixing platform is connected with the second upper shell, the second control plates are arranged below the second split shafts, the second control plate connecting columns extend downwards, are positioned on two sides of the second split shafts and are fixedly connected with the second control plates; when the second fixed platform is connected with the second lower shell, the second control panel is arranged above the second split shaft, and the second control panel connecting column extends upwards, is located on two sides of the second split shaft, and is fixedly connected with the second control panel.

Preferably, a first trigger switch is arranged on the first control board, the first vehicle body comprises a first pedal, the first pedal is movably connected with the first vehicle body, a first trigger piece is arranged on one surface of the first pedal, which faces the first control board, and the first trigger piece is used for movably triggering the first trigger switch; the first trigger piece is arranged on a first contact column on the bottom surface of the first pedal, and when the first control plate is arranged below the first fixing platform and the first split shaft, a first avoidance hole is formed in the first fixing platform, is matched with the first contact column and is used for the first trigger piece to pass through;

and/or

Be equipped with second trigger switch on the second control panel, the second car body includes the second footboard, and the second footboard is relative the second car body swing joint, the second footboard orientation the one side of second control panel is equipped with the second and triggers the piece, the second triggers the piece and is used for the activity to trigger the second trigger switch, the second triggers the piece setting and is in on the second contact post of second footboard bottom surface, work as the second control panel is arranged in the second fixed platform with during the below of second minute axle, be equipped with the second on the second fixed platform and dodge the hole, with second contact post looks adaptation supplies the second triggers the piece and passes.

Preferably, the control panel mounting structure comprises a control panel mounting column, when a first control panel is arranged in the first vehicle body, a first control panel mounting column is arranged on the first upper shell or the first lower shell, and the first control panel is fixedly connected with the first control panel mounting column; when a second control board is arranged in the second vehicle body, a second control board mounting column is arranged on the second upper shell or the second lower shell, and the second control board is fixedly connected with the second control board mounting column.

Preferably, the first vehicle body comprises a first upper shell, a first pedal and a first trigger switch, the first pedal is movably connected with the first upper shell, the first trigger switch is arranged in a first mounting groove of the first upper shell and is located below the first pedal, the first trigger switch is electrically connected with a first control board arranged in the first vehicle body through a first connecting wire, and a first wire passing hole is arranged in the first mounting groove or on the side edge of the first mounting groove and is used for the first connecting wire to pass through and be connected with the first control board;

and/or the presence of a gas in the gas,

the second car body comprises a second upper shell, a second pedal and a second trigger switch, the second pedal is movably connected with the second upper shell, the second trigger switch is arranged in a second mounting groove of the second upper shell and located below the second pedal, the second trigger switch is electrically connected with a second control panel in the second car body through a second connecting wire, and a second wire passing hole is formed in the second mounting groove or in the side edge of the second mounting groove and used for allowing the second connecting wire to pass through and be connected with the second control panel.

Preferably, when a first control board is arranged in the first vehicle body and a second control board is arranged in the second vehicle body, a wire passing structure is arranged on the through shaft or at the position where the first vehicle body and the second vehicle body are opposite, and the connecting wire passes through the wire passing structure and is connected with the first control board and the second control board.

Preferably, the wire passing structure comprises a first wire passing hole and a second wire passing hole, the first wire passing hole is located on the first vehicle body, and the second wire passing hole is located on the second vehicle body;

the first split shaft and the second split shaft are hollow tube structures, the first wire passing hole is formed in the first split shaft, and the second wire passing hole is formed in the second split shaft; or, the first vehicle body is provided with a first baffle at the end part facing the second vehicle body, the first wire passing hole is formed in the first baffle, the second vehicle body is provided with a second baffle at the end part facing the first vehicle body, the second wire passing hole is formed in the second baffle, and the first wire passing hole and the second wire passing hole are concentrically arranged.

Preferably, the wire passing structure comprises a wire passing sleeve, the wire passing sleeve is sleeved on the rotating mechanism and is partially positioned in the first vehicle body, and the wire passing sleeve is partially positioned in the second vehicle body; the wire passing sleeve comprises a sleeve body and a wire clamping buckle, the sleeve body is sleeved on the through shaft, and a gap for the connecting wire to pass through is formed between the wire clamping buckle and the sleeve body; the sleeve body is of a circular ring or arc structure, and the wire clamping buckle is of an arc structure and is matched with the sleeve body; the wire clamping buckle comprises a fixed end and a movable end, and the connecting wire enters the gap from the movable end; the wire clamping buckle is positioned at the upper part or the lower part of the sleeve body; the lateral wall of the through shaft is provided with two symmetrical limiting blocks, and the wire passing sleeve is clamped between the two limiting blocks.

Preferably, a battery assembly is arranged in the first vehicle body or the second vehicle body, and the battery assembly is fixedly connected with the first vehicle body or the second vehicle body or the through shaft; a battery pack mounting column is arranged on the first upper shell or the first lower shell of the first vehicle body, and the battery pack is fixedly connected with the battery pack mounting column; or a battery assembly mounting column is arranged on a second upper shell or a second lower shell of the second vehicle body, and the battery assembly is fixedly connected with the battery assembly mounting column; or at least one battery pack fixing frame is arranged on the through shaft, and the battery pack fixing frame is fixedly connected with or integrated with the through shaft; the battery pack is fixedly connected with the two ends of the battery pack fixing frame.

Preferably, a fixing seat is arranged on the outer wall of the battery assembly, a connecting groove is arranged on the fixing seat, and the connecting groove corresponds to the battery assembly mounting column or the battery assembly fixing frame.

Preferably, when the battery assembly is fixedly connected with the first split shaft or the second split shaft, the battery assembly fixing frame is located at the lower part of the first split shaft or the second split shaft, the height of the fixing seat is lower than the axial height of the first split shaft or the second split shaft,

alternatively, the first and second electrodes may be,

the battery pack fixing frame is arranged at the upper part of the first split shaft or the second split shaft, and the height of the fixing seat is higher than the axial height of the first split shaft or the second split shaft;

or the battery pack fixing frame is arranged in the middle of the first split shaft or the second split shaft.

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

according to the balance car, the through shaft is additionally arranged in the car body of the balance car, so that the overall structural strength of the balance car is enhanced, the connection strength of the first car body and the second car body is improved, the bearing capacity of the balance car is improved, the situation that the connection part of the first car body and the second car body is deformed is avoided, and the safe operation of the balance car is ensured; divide into first minute axle and second minute axle with leading to the axle, make the independence of first automobile body and second automobile body stronger, be fit for controlling first automobile body and second automobile body respectively, guarantee the zonulae occludens of first automobile body and second automobile body simultaneously.

Drawings

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

fig. 2 is a schematic diagram of an exploded structure of a balance car at another angle according to a first embodiment of the invention;

fig. 3 is a schematic cross-sectional structure view of a balance car according to a first embodiment of the invention;

fig. 4 is an exploded view of a balance car according to a second embodiment of the present invention;

fig. 5 is a schematic view of an exploded structure of a balance car according to another angle in the second embodiment of the present invention;

FIG. 6 is a sectional view showing a connecting portion of the first split shaft and the second split shaft according to the third embodiment of the present invention;

fig. 7 is an exploded view of a balance car according to a third embodiment of the present invention;

fig. 8 is an exploded view of a balance car according to a fourth embodiment of the present invention;

fig. 9 is a schematic view of an exploded structure of a balance car at another angle according to a fourth embodiment of the invention;

fig. 10 is an exploded view of a balance car according to a fifth embodiment of the present invention;

fig. 11 is an exploded view of another angle of the balance car according to the fifth embodiment of the present invention;

fig. 12 is an exploded view of a balance car according to a sixth embodiment of the present invention;

fig. 13 is a schematic view of an alternative angle explosion structure of a balance car according to the sixth embodiment of the invention;

fig. 14 is a schematic cross-sectional view illustrating a limiting structure according to a first embodiment of the invention;

fig. 15 is a schematic cross-sectional structure view of a third embodiment of a position limiting structure according to the present invention;

fig. 16 is a schematic cross-sectional view illustrating a fourth exemplary embodiment of a position limiting structure according to the present invention;

fig. 17 is a schematic structural view of a control board rack according to a seventh embodiment of the present invention;

fig. 18 is a schematic sectional view of a balance car according to an eighth embodiment of the present invention;

FIG. 19 is a schematic view of the installation of the first control board according to the first embodiment of the present invention;

FIG. 20 is a schematic view of the battery assembly according to one embodiment of the present invention;

fig. 21 is a schematic structural diagram of a wire-passing structure according to the ninth embodiment of the present invention;

FIG. 22 is a schematic view of a wire guide sleeve according to a tenth embodiment of the present invention being sleeved on a through shaft;

fig. 23 is a schematic structural view of a wire passing sleeve according to a tenth embodiment of the present invention;

FIG. 24 is a schematic view of the connection of a through axle to a first wheel in accordance with an eleventh embodiment of the present invention;

FIG. 25 is a schematic partial cross-sectional view of a through axle and a second wheel according to an eleventh embodiment of the invention;

FIG. 26 is a schematic view of a through axle coupled to a first wheel in accordance with a twelfth embodiment of the present invention;

FIG. 27 is a schematic partial cross-sectional view of a through axle and a second wheel according to a twelfth embodiment of the invention;

fig. 28 is a schematic sectional view showing a balance car according to a thirteenth embodiment of the present invention;

fig. 29 is a schematic sectional view of a balance car according to a fourteenth embodiment of the present invention;

fig. 30 is a schematic partial structure diagram of a wire-passing structure according to a fifteenth embodiment of the invention;

fig. 31 is an installation diagram of a battery pack according to a sixteenth embodiment of the present invention.

In the figure: 10. a first vehicle body; 11. a first upper case; 111. a first connecting column; 112. a first trigger hole; 12. a first lower case; 13. a first mounting post; 14. a first card slot; 15. a first vehicle bearing connection seat; 151. a first axle mounting groove; 16. a first pedal; 161. a first trigger; 162. a first contact post; 17. a first baffle plate; 20. a second vehicle body; 21. a second upper case; 211. a second connecting column; 22. A second lower case; 23. a second mounting post; 24. a second card slot; 25. a second vehicle bearing mount; 26. a second axle mounting groove; 27. a second pedal; 271. a second trigger; 28. a second baffle; 30. passing through the shaft; 31. a first split shaft; 311. a first connection hole; 312. a second fastening hole; 32. a second split shaft; 321. a second connection hole; 322. a fifth fastening hole; 33. a first fixing frame; 34. a second fixing frame; 35. A first mounting plate; 351. a first avoidance port; 36. a second mounting plate; 361. a second avoidance port; 37. A first wire passing hole; 371. a second wire passing hole; 372. connecting a lead; 38. threading the cable sleeve; 381. a sleeve body; 382. clamping a wire buckle; 383. a fixed end; 384. a movable end; 385. a limiting block; 386. an extension block; 387. a notch; 39. a rotating mechanism; 391. a first sub-base; 392. a second sub-base; 393. a first rotating member; 394. a second rotating member; 395. a connecting rod; 396. a third rotating member; 397. a fourth rotating member; 398. an annular boss; 40. a first wheel; 41. a first axle; 42. a first fastener; 43. a first fastening hole; 44. a first matching set; 441. a third fastening hole; 442. a first accommodating portion; 443. a first connecting sleeve; 444. a convex edge; 50. a second wheel; 51. a second axle; 52. a second fastener; 53. a fourth fastening hole; 54. a second matching set; 541. a sixth fastening hole; 542. a second accommodating portion; 543. a second connecting sleeve; 55. a gasket; 61. a first limit groove; 62. a first limit post; 71. a second limit groove; 72. a second limit post; 80. a first component group; 81. a first control board; 811. A first trigger switch; 812. a first control panel mounting post; 82. a first control panel frame; 821. a first through hole; 822. a first positioning hole; 823. a first fixed platform; 824. a first avoidance slot; 825. a first positioning post; 826. a first avoidance hole; 827. an abutting portion; 83. a battery assembly; 831. a battery mounting seat; 832. a first battery mounting hole; 833. a first side surface; 834. a second side surface; 835. a third side; 836. a fourth side; 837. reinforcing ribs; 838. a through groove; 84. a battery pack holder; 841. A second battery mounting hole; 85. a connecting member; 86. a battery mounting post; 90. a second component group; 91. A second control board; 911. a second trigger switch; 912. a second control panel mounting post; 92. a second control panel frame; 921. a second through hole; 922. a second positioning hole; 923. a second stationary platform; 924. a second avoidance slot; 925. and a second positioning column.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, wherein the description of the invention is given by way of illustration and not of limitation, and certain specific embodiments of the invention are described, but the invention is not limited thereto. The specific embodiments described are merely illustrative. The various embodiments may be combined with each other to form other embodiments not shown in the following description. The disclosure is also intended to cover alternatives, modifications, and equivalents. Furthermore, in the following description, numerous specific details are set forth in order to provide a thorough understanding of the disclosed technology to those of ordinary skill in the art. However, embodiments may be practiced without these specific details.

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 are based on those shown in the drawings, and is only for 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 and operated in a specific orientation, and should not be construed as limiting the specific scope 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 feature, and in the description of the invention, "a number" means two or more unless specifically 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. Specific meanings of the above-mentioned terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 31, the three-section through-axle balance vehicle of the embodiment of the invention includes a first vehicle body 10 and a second vehicle body 20, and further includes a through axle 30, where the through axle 30 includes a first sub-axle 31, the first sub-axle 31 is transversely disposed in the first vehicle body 10 and fixedly connected with the first vehicle body 10, a second sub-axle 32, the second sub-axle 32 is transversely disposed in the second vehicle body 20 and fixedly connected with the second vehicle body 20, and a rotating mechanism 39 connects the first sub-axle 31 and the second sub-axle 31, and is partially disposed in the first vehicle body and partially disposed in the second vehicle body; the first vehicle body and the second vehicle body relatively rotate.

The first vehicle body and the second vehicle body can be independent of each other and rotate relatively, and can also be of an integrated structure, at the moment, the first vehicle body can be a left vehicle body of the balance vehicle, and correspondingly, the second vehicle body is a right vehicle body of the balance vehicle; the first vehicle body can also be a right vehicle body of the balance vehicle, and correspondingly, the second vehicle body is a left vehicle body of the balance vehicle. The first end of the first split shaft is positioned at the outer end of the first vehicle body, can be positioned in the first vehicle body, can also penetrate through the first vehicle body, and can also be flush with the outer end of the first vehicle body; the first end of the second sub-shaft is located at the outer end of the second vehicle body, can be located in the second vehicle body, can also penetrate through the second vehicle body from the end surface, and can also be flush with the outer end of the second vehicle body from the end surface.

The balance car is a two-wheeled balance car, and the through shafts are arranged in the first car body and the second car body and are used for enhancing the structural strength of the first car body and the second car body, so that the overall structural strength of the balance car is enhanced; the through shaft is used as a framework between the first vehicle body and the second vehicle body, the through shaft improves the connection strength of the first vehicle body and the second vehicle body, the first vehicle body and the second vehicle body are not easy to break, and the balance vehicle can bear heavier weight.

The through shaft is divided into three sections and comprises a first split shaft, a second split shaft and a rotating mechanism, the first split shaft and the second split shaft are connected through the rotating mechanism and can rotate relatively, at the moment, the first vehicle body is fixedly connected with the first split shaft, and the second vehicle body is fixedly connected with the second split shaft, so that the first vehicle body and the second vehicle body can rotate relatively, the operation of the balance vehicle is controlled through electronic elements in the first vehicle body and the second vehicle body, users with different use habits can conveniently operate the balance vehicle, and the user experience is better.

As shown in fig. 1 to 13, the structure of the rotating mechanism, the connection mode with the first split shaft and the second split shaft, and the structure of the first split shaft and the second split shaft are various, so that the through shaft of the invention comprises various implementation structures to meet the use requirements of different vehicle bodies.

In some embodiments, as in the first embodiment and the second embodiment shown in fig. 1 to 5, a rotating mechanism is disclosed, and the rotating mechanism 39 includes a connecting seat, a first rotating member 393 and a second rotating member 394, the first rotating member 393 is sleeved on the first sub-shaft 31, the second rotating member 394 is sleeved on the second sub-shaft 32, the connecting seat is provided with a first rotating groove and a second rotating groove, the first rotating member 393 is installed in the first rotating groove, and the second rotating member 394 is installed in the second rotating groove.

Preferably, the first rotating member 393 is a bearing or bushing and the second rotating member 394 is a bearing or bushing. In the first and second embodiments shown in fig. 1 to 5, the first rotating member 393 is a bearing, the second rotating member 394 is a bearing, and the two bearings have the same size, so that the first sub-shaft 31 and the second sub-shaft 32 can concentrically rotate, and the balance car can be prevented from bumping during operation. The bearing on the first sub-shaft 31 and the first sub-shaft 31 are arranged at the inner end of the first sub-shaft 31 and fixedly connected with the first sub-shaft 31, and the outer ring of the bearing can rotate relative to the first sub-shaft 31, the bearing on the second sub-shaft 32 and the second sub-shaft 32 are arranged at the inner end of the second sub-shaft 32 and fixedly connected with the second sub-shaft 32, and the outer ring of the bearing can rotate relative to the second sub-shaft 32.

Preferably, the connecting seat comprises a first sub-seat 391 and a second sub-seat 392, and the first sub-seat 391 and the second sub-seat 392 are fixedly connected to form a complete first rotating groove and a complete second rotating groove. The connecting seat of the split structure facilitates the assembly and fixation of the rotating mechanism 39 with the first split shaft 31 and the second split shaft 32.

In order to limit the relative rotation angle between the first sub-shaft 31 and the second sub-shaft 32 and prevent the balance car from being out of control due to the fact that the relative rotation angle between the first car body 10 and the second car body 20 is too large, a first limiting structure is arranged between the first sub-shaft 31 and the rotating mechanism 39 and comprises a first limiting groove 61 arranged on the connecting seat and a first limiting column 62 arranged on the first sub-shaft 31, and the transverse size of the first limiting groove 61 is larger than that of the first limiting column 62 so that the first limiting column 62 can circumferentially swing in the first limiting groove 61 for limiting the angle; the first limit groove 61 limits the axial movement of the first limit column 62, and meanwhile, the first limit column 62 can swing for a certain angle in the first limit groove 61 along the rotation direction of the vehicle body, so that the first vehicle body 10 is prevented from rotating for a large angle relative to the through shaft, and the balance vehicle is prevented from being out of control.

Preferably, as shown in fig. 14, the first limiting column 62 is a screw, the head of the screw is greater than the width of the first limiting groove 61, the middle section of the screw is disposed in the first limiting groove 61, and the end of the screw is fixedly connected with the first sub-shaft 31, the above structure can prevent the first limiting column 62 from separating from the first limiting groove 61, so as to ensure that when the first sub-shaft 31 rotates, the first limiting column 62 rotates in the first limiting groove 61 until the first limiting column touches the side walls at the two ends of the first limiting groove 61 to stop rotating, and the first vehicle body stops rotating at the same time.

Meanwhile, a second limiting structure is arranged between the second split shaft 32 and the rotating mechanism 39, the second limiting structure comprises a second limiting groove 71 arranged on the connecting seat and a second limiting column 72 arranged on the second split shaft 32, and the transverse size of the second limiting groove 71 is larger than that of the second limiting column 72, so that the second limiting column 72 can circumferentially swing in the second limiting groove 71 to limit the angle; the second limit groove 71 limits the axial movement of the second limit column 72, and meanwhile, the second limit column 72 can swing for a certain angle in the second limit groove 71 along the rotation direction of the vehicle body, so that the second vehicle body 20 is prevented from rotating for a too large angle relative to the through shaft, and the balance vehicle is prevented from being out of control.

Preferably, the second limit column 72 is a screw, the head of the screw is greater than the width of the second limit groove 71, the middle section of the screw is arranged in the second limit groove 71, and the tail end of the screw is fixedly connected with the second sub-shaft 32, so that the separation of the second limit column 72 from the second limit groove 71 can be avoided, and when the second sub-shaft 32 rotates, the second limit column 72 rotates in the second limit groove 71 until the second limit column touches the side walls at the two ends of the second limit groove 71 to stop rotating, and the second vehicle body stops rotating at the same time.

In the first embodiment shown in fig. 1 to 3, the first sub-seat 391 and the second sub-seat 392 are arranged up and down, the first limiting groove 61 and the second limiting groove 71 are disposed on the second sub-seat 392, and the first limiting column 62 and the second limiting column 72 are disposed downward.

In the second embodiment shown in fig. 4 and 5, the first sub-seat 391 and the second sub-seat 392 are arranged up and down, the first limiting groove 61 and the second limiting groove 71 are arranged on the first sub-seat 391 located above, and the first limiting column 62 and the second limiting column 72 are arranged upward.

In other embodiments, such as the third and fourth embodiments shown in figures 6-9,

the rotating mechanism 39 comprises a connecting rod 395, a third rotating part 396 and a fourth rotating part 397, the inner end of the first split shaft 31 is of a hollow structure, and the third rotating part 396 is sleeved at the first end of the connecting rod 395 and is located in the inner end of the first split shaft 31; the inner end of the second sub-shaft 32 is a hollow structure, and the fourth rotating member 397 is sleeved on the outer end of the connecting rod 395 and is located at the inner end of the second sub-shaft 32.

At this time, the first and second sub-shafts 31 and 32 are hollow pipes, and the connecting rod 395 is a solid pipe, and the maximum stress point of the first and

second vehicle bodies

10 and 20 corresponds to the position of the connecting rod 395, so that the solid connecting rod 395 can bear a larger force, the connecting strength of the first and

second vehicle bodies

10 and 20 is higher, and the structure is more stable.

In order to make the rotation between the first split shaft 31 and the connecting rod 395 and between the second split shaft 32 and the connecting rod 395 smoother, the third rotating member 396 is a bushing or a lubricating layer, and the fourth rotating member 397 is a bushing or a lubricating layer. The lubricating layer can be made of lubricating rubber with mechanical lubricating liquid or other common lubricating materials. As shown in fig. 6, the third rotating member 396 is a sleeve, and the fourth rotating member 397 is a sleeve.

Preferably, as shown in fig. 6, an annular boss 398 is arranged in the middle of the connecting rod 395, and the outer edge of the third rotating member 396 (sleeve) is located between the first shaft 31 and the end face of the annular boss 398 and is abutted with the end face of the annular boss 398; the outer edge of the fourth rotating member 397 (bushing) is located between the second sub-shaft 32 and the end face of the annular boss 398, and is attached to the end face of the annular boss 398, and the annular boss 398 is used for positioning the third rotating member 396 and the fourth rotating member 397, and meanwhile sealing of the first sub-shaft 31 and the second sub-shaft 32 is achieved.

In order to limit the relative rotation angle between the first axle shaft 31 and the second axle shaft 32 and prevent the balance car from being out of control due to the excessively large relative rotation angle between the first car body 10 and the second car body 20, preferably, as shown in fig. 7, a first limiting structure is arranged between the first axle shaft 31 and the rotating mechanism 39, the first limiting structure comprises a first limiting groove 61 arranged on the first axle shaft 31 and a first limiting column 62 arranged on the first end of the connecting rod 395, and the transverse dimension of the first limiting groove 61 is larger than that of the first limiting column 62 so that the first limiting column 62 can circumferentially swing in the first limiting groove 61 for a limiting angle; the first limit groove 61 limits the axial movement of the first limit column 62, and meanwhile, the first limit column 62 can swing for a certain angle in the first limit groove 61 along the rotation direction of the vehicle body, so that the first vehicle body 10 is prevented from rotating for a large angle relative to the through shaft, and the balance vehicle is prevented from being out of control.

Preferably, as shown in fig. 15, the first limiting column 62 is a screw, the head of the screw is greater than the width of the first limiting groove 61, the middle section of the screw is disposed in the first limiting groove 61, and the end of the screw is fixedly connected with the first sub-shaft 31, the above structure can prevent the first limiting column 62 from separating from the first limiting groove 61, so as to ensure that when the first sub-shaft 31 rotates, the first limiting column 62 rotates in the first limiting groove 61 until the first limiting column touches the side walls at the two ends of the first limiting groove 61 to stop rotating, and the first vehicle body stops rotating at the same time.

A second limiting structure is arranged between the second split shaft 32 and the rotating mechanism 39, the second limiting structure comprises a second limiting groove 71 arranged on the second split shaft 32 and a second limiting column 72 arranged at the outer end of the connecting rod 395, and the transverse size of the second limiting groove 71 is larger than that of the second limiting column 72, so that the second limiting column 72 can circumferentially swing in the second limiting groove 71 to limit the angle. The second limiting groove 71 limits the axial movement of the second limiting column 72, and meanwhile, the second limiting column 72 can swing for a certain angle in the second limiting groove 71 along the rotation direction of the vehicle body, so that the second vehicle body 20 is prevented from rotating for a too large angle relative to the through shaft, and the balance vehicle is prevented from being out of control.

As shown in fig. 1 to 7, the first sub-axle 31 and the second sub-axle 32 are circular tubes, and the cross section of the joint is circular or annular, the first vehicle body 10 is fixedly connected with the first sub-axle 31 by an additional fixing structure, and the second vehicle body 20 is fixedly connected with the second sub-axle 32 by an additional fixing structure, which has a plurality of connection modes.

In the first embodiment shown in fig. 1 to fig. 3, a first connection pillar 111 is disposed in the first vehicle body 10, the first connection pillar 111 is disposed at an end of the first vehicle body 10 close to the second vehicle body 20, a first connection hole 311 is disposed on the first spindle 31, the first connection hole 311 is disposed corresponding to the first connection pillar 111, and the first connection pillar 111 is inserted into the first connection hole 311 to fixedly connect the first vehicle body 10 and the first spindle 31, so as to ensure stable connection between the first vehicle body 10 and the first spindle 31. Preferably, the number of the first connecting pillars 111 is greater than 1, as shown in fig. 3, the number of the first connecting pillars 111 is 3, and the number of the first connecting holes 311 corresponds to the number of the first connecting pillars 111, so that the first connecting pillars 111 and the first connecting holes 311 are more stably inserted, and the first vehicle body 10 and the first sub-axle 31 are more stably connected. The number of the first connecting columns 111 can also be 2, 4, 5 and the like, and the first connecting columns are arranged according to actual use requirements.

As shown in fig. 2 to 3, the first connection post 111 is disposed on the first upper shell 11, the first connection hole 311 may be disposed only on a surface of the first sub-shaft 31 facing the first connection post 111, the first connection post 111 is inserted into the first sub-shaft 31, the first connection hole 311 may also be a through hole, and the first connection post 111 penetrates through the first sub-shaft 31. In other embodiments, the first connection posts 111 are disposed on the first lower case 12, the first connection holes 311 are disposed downward, and the first connection posts 111 are inserted into the first sub-shafts 31, or the first connection holes 311 are through holes, and the first connection posts 111 penetrate the first sub-shafts 31. Preferably, the top end of the first coupling post 111 is tapered to facilitate the insertion of the first coupling post 111 into the first coupling hole 311.

As shown in fig. 1 to fig. 3, in the first embodiment, a second connection column 211 is disposed in the second vehicle body 20, the second connection column 211 is disposed at an end of the second vehicle body 20 close to the second vehicle body 20, a second connection hole 321 is disposed on the second sub-axle 32, the second connection hole 321 is disposed corresponding to the second connection column 211, and the second connection column 211 is inserted into the second connection hole 321 to fixedly connect the second vehicle body 20 and the second sub-axle 32, so as to ensure stable connection between the second vehicle body 20 and the second sub-axle 32. Preferably, the number of the second connection posts 211 is greater than 1, as shown in fig. 3, the number of the second connection posts 211 is 3, and the number of the second connection holes 321 corresponds to the number of the second connection posts 211, so that the second connection posts 211 and the second connection holes 321 are more stably inserted, and the second vehicle body 20 and the second sub-axle 32 are more stably connected. The number of the second connecting columns 211 can be 2, 4, 5 and the like, and the second connecting columns are arranged according to actual use requirements.

As shown in fig. 2 to 3, the second connecting column 211 is disposed on the second upper shell 21, the second connecting hole 321 may be disposed only on a surface of the second sub-shaft 32 facing the second connecting column 211, the second connecting column 211 is inserted into the second sub-shaft 32, the second connecting hole 321 may also be a through hole, and the second connecting column 211 penetrates through the second sub-shaft 32. In other embodiments, the second connection column 211 is disposed on the second lower shell 22, the second connection hole 321 is disposed downward, and the second connection column 211 is inserted into the second sub-shaft 32, or the second connection hole 321 is a through hole, and the second connection column 211 penetrates through the second sub-shaft 32. Preferably, the top end of the second coupling post 211 is tapered to facilitate the insertion of the second coupling post 211 into the second coupling hole 321.

As shown in the second embodiment shown in fig. 4 and 5 and the fifth embodiment shown in fig. 10 and 11, the first sub-shaft 31 is provided with a first fixing frame 33, the first fixing frame 33 is fixedly connected with the first sub-shaft 31 or is in an integral structure, and when the first fixing frame 33 and the first sub-shaft 31 are in a split structure, the first fixing frame 33 and the first sub-shaft 31 are welded or screwed.

The first vehicle body 10 is fixedly connected with the first fixing frame 33, screw holes are arranged at two ends of the first fixing frame 33, the first fixing frame 33 is fixedly connected with the first vehicle body 10 through screws, preferably, when the first sub-shaft 31 is closer to the first upper shell 11, the first fixing frame 33 is arranged at the upper end of the first sub-shaft 31 and is fixedly connected with the first upper shell 11 of the first vehicle body 10, and a larger space is arranged between the first sub-shaft 31 and the first lower shell 12, so that other components, such as a battery assembly and a first control panel, can be installed. The inner surface of the first upper shell 11 is provided with a first mounting column 13, a screw hole is formed in the first mounting column 13, and the screw sequentially passes through the first fixing frame 33 and the first mounting column 13 on the inner surface of the first upper shell 11, so that the first fixing frame 33 is fixedly connected with the first upper shell 11.

In the second embodiment shown in fig. 4 and 5, the first axle 41 of the first wheel 40 is fixedly connected with the first sub-axle 31 and directly fixedly connected with the first vehicle body 10, the first axle 41 of the first wheel 40 is connected with the outer end of the first sub-axle 31 by the first fastening member 42, and the first fastening member 42 is fixedly connected with the first vehicle body 10 through the first connection formed by the first axle 41 and the first sub-axle 31.

The first axle 41 is inserted into the first end of the first sub-axle 31 to form a first connection, and the first fastening member 42 passes through the first connection to fixedly connect the first axle 41 and the first end of the first sub-axle 31 while the first fastening member 42 is fixedly connected to the first vehicle body 10. The first axle 41, the first sub-axle 31 and the first vehicle body 10 are connected together by the first fastener 42, so that the connection is firmer and the linkage is stronger.

Preferably, the at least one first mount 33 is adjacent to the rotation mechanism. The first fixing frame 33 is matched with the first fastening member 42 to fixedly connect both ends of the first sub-axle 31 with the first vehicle body 10, so as to ensure the stable fixation of the first vehicle body 10 and the first sub-axle 31.

Preferably, two first fixing brackets 33 are arranged on the first sub-axle 31, so that the first vehicle body 10 and the first sub-axle 31 can be more firmly and stably mounted. At this time, in order to avoid the first connection point, as shown in fig. 4, another fixing frame is disposed at the middle position of the first sub-shaft 31, so that the first sub-shaft 31 and the first vehicle body 10 have three connection points, and the connection firmness of the first vehicle body 10 and the first sub-shaft 31 is improved.

In the fifth embodiment shown in fig. 10 and 11, the first axle 41 of the first wheel 40 is fixedly connected to the first sub-axle 31 only, and is not directly connected to the first body 10, but is indirectly fixedly connected to the first body 10 through the first sub-axle 31. At this time, at least one first fixing frame 33 on the first sub-axle 31 is close to the rotating mechanism, and at least one first fixing frame 33 is close to the outer end of the first sub-axle 31, so that both ends of the first vehicle body 10 are firmly mounted on the first sub-axle 31. The first mount 33 near the outer end of the first split shaft 31 may be disposed at the first connection, with the first fastening member 42 located below the first mount 33.

As shown in the second embodiment shown in fig. 4 and 5 and the fifth embodiment shown in fig. 10 and 11, the second sub-shaft 32 is provided with a second fixing frame 34, the second fixing frame 34 and the second sub-shaft 32 are fixedly connected or are in an integrated structure, and when the second fixing frame 34 and the second sub-shaft 32 are in a split structure, the second fixing frame 34 and the second sub-shaft 32 are welded or screwed.

The second vehicle body 20 is fixedly connected with the second fixing frame 34, screw holes are formed in two ends of the second fixing frame 34, the second fixing frame 34 is fixedly connected with the second vehicle body 20 through screws, preferably, when the second sub-shaft 32 is closer to the second upper shell 21, the second fixing frame 34 is arranged at the upper end of the second sub-shaft 32 and is fixedly connected with the second upper shell 21 of the second vehicle body 20, and a larger space is formed between the second sub-shaft 32 and the second lower shell 22, so that other components, such as a battery pack and a second control panel, can be installed. The inner surface of the second upper shell 21 is provided with a second mounting column 23, a screw hole is formed in the second mounting column 23, and the screw sequentially passes through the second fixing frame 34 and the second mounting column 23 on the inner surface of the second upper shell 21, so that the second fixing frame 34 is fixedly connected with the second upper shell 21.

In the second embodiment shown in fig. 4 and 5, the second axle 51 of the second wheel 50 is fixedly connected with the second sub-axle 32 and is also directly fixedly connected with the second vehicle body 20, the second axle 51 of the second wheel 50 is connected with the outer end of the second sub-axle 32 through the second fastening member 52, and the second fastening member 52 is fixedly connected with the second vehicle body 20 through the second connection formed by the second axle 51 and the second sub-axle 32.

The second axle 51 is inserted into the outer end of the second sub-axle 32 to form a second joint, and the second fastener 52 passes through the second joint to fixedly connect the second axle 51 to the outer end of the second sub-axle 32 while the second fastener 52 is fixedly connected to the second body 20. The second axle 51, the second sub-axle 32 and the second body 20 are connected together by the second fastener 52, so that the connection is firmer and the linkage is stronger.

Preferably, the at least one second mount 34 is proximate the juncture of the second split shaft 32 and the second split shaft 32. The second fixing bracket 34 is engaged with the second fastening member 52 to fixedly connect both ends of the second sub-axle 32 with the second vehicle body 20, so as to ensure stable fixation of the second vehicle body 20 and the second sub-axle 32.

Preferably, two second fixing brackets 34 are provided on the second axle shaft 32, so that the second vehicle body 20 is more firmly and stably mounted on the second axle shaft 32. At this time, in order to avoid the second connection point, as shown in fig. 4, another fixing bracket is disposed at the middle position of the second sub-axle 32, so that the second sub-axle 32 and the second vehicle body 20 have three connection points, and the connection firmness of the second vehicle body 20 and the second sub-axle 32 is improved.

In the fifth exemplary embodiment shown in fig. 10 and 11, the second axle of the second wheel 50 is fixedly connected to the second section axle 32 only, and is not directly connected to the second body 20, but is indirectly fixedly connected to the second body 20 via the second section axle 32. At this time, at least one second fixing bracket 34 on the second sub-axle 32 is close to the sleeve joint of the second axle and the second sub-axle 32, and at least one second fixing bracket 34 is close to the end of the second sub-axle 32 connected with the rotating mechanism 39, so that both ends of the second vehicle body 20 are firmly mounted on the second sub-axle 32. A second mount 34 near the outer end of the second split shaft may be disposed at the second connection, with a second fastener 52 located below the second mount 34.

In the fourth embodiment shown in fig. 8 and fig. 9, the first sub-shaft 31 is provided with a first mounting plate 35, the first mounting plate 35 is fixedly sleeved on the first sub-shaft 31 or is integrally structured with the first sub-shaft 31, and the first vehicle body 10 is fixedly connected to the first mounting plate 35.

When the first mounting plate and the first sub-shaft are of a split structure, as shown in fig. 16, the first mounting plate 35 includes a sleeve, an inner diameter of the sleeve is identical to an outer diameter of the first sub-shaft 31, and the first mounting plate 35 is sleeved on the first sub-shaft 31 and fixed by a screw or a bolt. At the moment, the cross section of the first split shaft is circular or annular, and the first split shaft is a circular pipe. Preferably, the first shaft 31 is provided with a first limiting structure, which includes a first limiting post 62 and a first limiting groove 61, the first limiting groove 61 is located on the sleeve of the first mounting plate 35, the first limiting post 62 is fixedly connected with the connecting rod 395 of the rotating mechanism, and the limiting manner is the same as that in the above-mentioned embodiment.

When first mounting panel and first minute axle formula structure as an organic whole, the cross section of first minute axle is non-circular interface, and first minute axle is non-circular pipe.

Be equipped with a plurality of screw holes on first mounting panel 35, first automobile body 10 passes through screw and first mounting panel 35 fixed connection, and the screw hole subsection is on two flanks of first mounting panel 35, and all is equipped with the screw hole on first mounting panel 35 along the both ends of first countershaft 31 to guarantee that the both ends of first automobile body 10 are all fixed with first mounting panel 35. As shown in fig. 8 and 9, the first mounting plate 35 has a length corresponding to the length of the first axle shaft 31 and traverses the first body 10 to ensure the stable connection between the first body 10 and the first axle shaft 31. The first fastening member 42 penetrates the first mounting plate 35 to be fixedly connected with the first vehicle body 10, so as to realize the common fixation of the first axle 41, the first sub-axle 31 and the first vehicle body 10.

As shown in fig. 9, the panel of the first mounting plate 35 is located at the upper portion of the first sub-axle 31, and is closer to the first upper shell 11 of the first vehicle body 10, the inner surface of the first upper shell 11 is provided with a first mounting post 13, a threaded hole is formed in the first mounting post 13, and the first mounting plate 35 is fixedly connected with the first upper shell 11 through a screw.

In the fourth embodiment shown in fig. 8 and 9, the first axle 41 of the first wheel 40 is directly and fixedly connected to the first sub-axle 31 only and is not directly connected to the first vehicle body 10, and in this case, the first fastening member 42 does not pass through the first mounting plate 35 or pass through the first mounting plate 35 but is not connected to the first vehicle body 10.

In this embodiment, if the first control board 81 and the battery module 83 are disposed in the first vehicle body 10, the first control board 81 and the battery module 83 may be disposed below the first mounting plate 35 and fixedly connected to the first mounting plate 35 or the first lower case. Preferably, the first mounting plate 35 is provided with a first avoiding opening 351 for avoiding the first mounting plate 35 and the mounting structure thereof, and the mounting space in the first vehicle body 10 is reasonably utilized.

In the fourth embodiment shown in fig. 8 and 9, the second sub-axle 32 is provided with a second mounting plate 36, the second mounting plate 36 is fixedly sleeved on the second sub-axle 32 or is integrated with the second sub-axle 32, and the second vehicle body 20 is fixedly connected to the second mounting plate 36.

When the second mounting panel divides the axle to be split type structure with the second, the second mounting panel includes the sleeve pipe, and the sheathed tube internal diameter is unanimous with the external diameter of second minute axle, and the second mounting panel cup joints on the second minute axle and passes through screw or bolt fastening. At the moment, the cross section of the second split shaft is circular or annular, and the second split shaft is a circular pipe.

When the second mounting plate and the second split shaft are of an integrated structure, the cross section of the second split shaft is a non-circular interface, and the second split shaft is a non-circular pipe.

Be equipped with a plurality of screw holes on the second mounting panel, the second automobile body passes through screw and second mounting panel fixed connection, and the screw hole subsection is on the both sides flank of second mounting panel, and the second mounting panel all is equipped with the screw hole along the second on the both ends of dividing the axle to guarantee that the both ends of second automobile body all are fixed with the second mounting panel. As shown in fig. 8 and 9, the second mounting plate 36 has a length corresponding to the length of the second axle shaft 32 and traverses the second vehicle body 20 to ensure the stable connection between the second vehicle body and the second axle shaft. The second fastener penetrates out of the second mounting plate to be fixedly connected with the second vehicle body, so that the second axle, the second split shaft and the second vehicle body are jointly fixed.

As shown in fig. 9, the panel of the second mounting plate 36 is located at the upper portion of the second split shaft 32 and closer to the second upper shell 21 of the second vehicle body 20, the inner surface of the second upper shell 21 is provided with a second mounting column 23, a threaded hole is formed in the second mounting column 23, and the second mounting plate 36 is fixedly connected with the second upper shell 21 through a screw.

The second axle of the second wheel is directly fixedly connected to the second split axle only and not directly connected to the second body, and the second fastener does not pass through the second mounting plate or pass through the second mounting plate but is not connected to the second body.

In this embodiment, if the second control board 91 and the battery pack are provided in the second vehicle body 20, the second control board and the battery pack may be disposed below the second mounting plate and fixedly coupled to the second mounting plate or the second lower case. Preferably, the second mounting plate 36 is provided with a second avoidance opening 361 for avoiding the second mounting plate and the mounting structure thereof, and reasonably utilizing the mounting space in the second vehicle body.

In the sixth embodiment shown in fig. 12 and 13, the cross section of the first split shaft is a non-circular cross section, and preferably, when the first split shaft is a solid tube, the cross section of the first split shaft is rectangular, triangular, trapezoidal, hexagonal or octagonal; when the first split shaft is a hollow pipe, the cross section of the first split shaft is a hollow shape in any one of a rectangle, a triangle, a trapezoid, a hexagon or an octagon. The first split shaft can be made of common section steel, such as round steel, square steel, hexagonal steel, octagonal steel, I-shaped steel, channel steel, deformed steel and the like. As shown in fig. 12 and 13, the first shaft 31 is a square tube.

The first body 10 is provided with a first engaging groove 14, the first sub-shaft 31 is fixedly installed in the first engaging groove 14, since the cross section of the first sub-shaft 31 is a non-circular cross section, the first sub-shaft 31 is not rotatable in the first engaging groove 14, and the first body 10 and the first sub-shaft 31 are relatively stationary. At this time, the first slot 14 may further have a first connection post 111 therein, the first spindle 31 has a first connection hole 311 thereon, and the first upper shell 11 is fixed to the first spindle 31 in an inserting manner, so that the connection is tighter.

Preferably, in addition to the first engaging groove 14, the outer end of the first body 10 is provided with a first axle bearing seat 15, a first axle mounting groove 151 is provided in the first axle bearing seat 15, the first axle mounting groove 151 is matched with the outer end of the first sub-axle 31, and the outer end of the first sub-axle 31 is fixed in the first axle bearing seat 15.

As in the sixth embodiment of fig. 12 and 13, the cross section of the second sub-shaft 32 is a non-circular cross section, and preferably, when the second sub-shaft 32 is a solid tube, the cross section of the second sub-shaft 32 is rectangular, triangular, trapezoidal, hexagonal or octagonal; when the second split shaft 32 is a hollow pipe, the cross section of the second split shaft 32 is a hollow shape in any one of a rectangle, a triangle, a trapezoid, a hexagon, or an octagon. The second sub-shaft 32 can be made of common section steel, such as round steel, square steel, hexagonal steel, octagonal steel, i-shaped steel, channel steel, deformed steel, and the like. As shown in fig. 12 and 13, the second split shaft 32 has a square tube structure.

The second body 20 has a second engaging groove 24 therein, the second sub-shaft 32 is fixedly mounted in the second engaging groove 24, the second sub-shaft 32 is non-rotatable in the second engaging groove 24 due to the non-circular cross-section of the second sub-shaft 32, and the second body 20 and the second sub-shaft 32 are stationary relative to each other. At this time, the second slot 24 may further have a second connecting pin 211 therein, the second sub-shaft 32 has a second connecting hole 321 therein, and the second upper shell 21 is fixed to the second sub-shaft 32 in an inserting manner, so that the connection is tighter.

Preferably, in addition to the second locking groove 24, a second vehicle bearing seat 25 is provided at the outer end of the second vehicle body 20, a second vehicle axle mounting groove 26 is provided in the second vehicle bearing seat 25, the second vehicle axle mounting groove 26 is adapted to the outer end of the second sub-axle 32, and the outer end of the second sub-axle 32 is fixed in the second vehicle bearing seat 25.

Based on the above embodiment, the balance car further includes a first wheel and a second wheel, the first wheel and the second wheel may be hub motor wheels, and include a stator with a motor shaft and a rotor capable of rotating relative to the stator, and the hub motor is built in the first wheel and the second wheel.

The first vehicle body and the second vehicle body of the balance car are used for treading bearing force, and the acting force is transmitted to the first wheel and the second wheel through the first vehicle body and the second vehicle body, so that the connecting structure of the first wheel and the second wheel is also important for the stability of the balance car.

In the first embodiment shown in fig. 1 to 3, the outer end of the first split shaft is connected with the first axle of the first wheel, the outer end of the second split shaft is connected with the second axle of the second wheel, the structural strength of the through shaft is high, after the first axle and the second axle are fixedly connected with the through shaft, the connection between the first axle and the second axle is strengthened, the first wheel and the second wheel are more stably installed, the first vehicle body and the second vehicle body are connected with the wheels, the force applied to the first vehicle body and the second vehicle body is directly transmitted to the first wheel and the second wheel, and the first vehicle body and the second vehicle body can bear higher load capacity.

In the first embodiment shown in fig. 1 to fig. 3, the first vehicle body 10 is fixedly connected to the first sub-axle 31, the outer end of the first sub-axle 31 is hollow, the first axle 41 is fixedly connected to the outer end of the first sub-axle 31 by the first fastening member 42 to form a first connection point, and the first fastening member 42 passes through the first connection point and is fixedly connected to the first vehicle body 10; the first axle 41 of the first wheel 40 is fixedly connected with the outer end of the first sub-axle 31 and also fixedly connected with the first vehicle body 10, the force borne by the first vehicle body is transmitted to the first wheel through the first sub-axle and the first vehicle body, and because the first axle is directly connected with the first sub-axle, the connection between the first axle and the first vehicle body is more stable, the whole structure of the balance vehicle can be more stable, and heavier people or objects can be borne.

Preferably, the first vehicle body 10 is provided with a first vehicle bearing seat 15 therein, the first connection point is installed in the first vehicle bearing seat 15, the first vehicle bearing seat 15 is provided with a first vehicle axle installation groove 151 therein, the shape of the first vehicle axle installation groove 151 is adapted to the form of the first connection point, more specifically, the first vehicle axle 41 is inserted into the first connection portion of the first sub-shaft 31 to form the first connection point, therefore, the shape of the first vehicle axle installation groove 151 is the same as that of the first connection portion of the first sub-shaft 31, more specifically, the shape of the first vehicle axle installation groove 151 is adapted to the outer diameter of the first connection portion of the first sub-shaft 31, and the first vehicle bearing seat 15 is used for improving the installation stability of the first connection point, thereby improving the connection stability of the first vehicle axle and the first end of the first sub-shaft with the first vehicle body and enhancing the bearing capacity of the first vehicle body. The first fastening member 42 passes through the first sub-axle 31 and the first axle 41 in sequence to be fixedly connected with the first axle bearing seat 15, preferably, the first fastening member 42 is a screw, and the first fastening member is in threaded connection with the first axle and the first axle bearing seat.

Preferably, the number of first fasteners is greater than 1, and as shown in fig. 1, the number of first fasteners 42 is 2, so that the first fasteners are more firmly connected with the first connection site and the first vehicle body. The number of the first fasteners can also be 3, 4, 5 and the like, and the first fasteners are arranged according to actual use requirements.

In the first embodiment shown in fig. 2 and 3, the first vehicle body 10 includes a first upper shell 11 and a first lower shell 12, and the first bearing adapter 15 is disposed on the first upper shell 11, more specifically, on the lower surface of the first upper shell 11 on the side close to the first wheel 40. At this moment, the first axle of first wheel, the first end of first branch axle all with first epitheca fixed connection, first epitheca be as the part that directly is trampled, through above-mentioned connection, the power that acts on first epitheca can directly be transmitted to first branch axle and first wheel, further improves the bearing capacity of first epitheca. During installation, the first fastener is inserted into the first connecting position from bottom to top, and the tail end of the first fastener is fixedly connected with the first vehicle bearing connecting seat through threads.

In another embodiment, the first vehicle body includes a first upper shell and a first lower shell, and the first bearing seat is provided on the first lower shell, more specifically, on an upper surface of a side of the first lower shell close to the first wheel. At this moment, the first axle of first wheel, the first end of first minute axle all with first lower shell fixed connection, receive the effect of gravity and first fastener, first axle and first minute axle can install in first car bearing adapter more steadily when using, also can avoid first epitheca installation too much parts, have destroyed the mechanical strength of first epitheca.

In the above embodiment, the first connecting pillar or the first fixing frame together with the first fastening member fixes both ends of the first vehicle body to the first sub-shaft, so that the stable connection between the first vehicle body and the first sub-shaft is further strengthened.

Based on the above-described embodiments, there are a variety of connection manners when the first axle shaft is connected at the outer end of the first split shaft. More specifically, as shown in fig. 1 to 3, the first connecting portion is a hollow structure of the first end of the first sub-shaft 31, the outer diameter of the first axle 41 is matched with the inner diameter of the first end of the first sub-shaft 31, the first axle 41 is provided with a first fastening hole 43, the first sub-shaft 31 is provided with a second fastening hole 312, the first fastening member 42 is matched with the first fastening hole 43 and the second fastening hole 312, and when the first axle is inserted into the first end of the first sub-shaft, the first fastening hole and the second fastening hole are aligned and the first fastening member simultaneously penetrates through the first fastening hole and the second fastening hole to fix the first axle and the first connecting portion.

When the first sub-axle is a solid tube or the outer diameter of the first axle is not fit with the inner diameter of the first sub-axle, in the eleventh and twelfth embodiments shown in fig. 24 and 26, the first connecting part includes the first matching sleeve 44, the first axle 41 is connected with the first sub-axle 31 by the first matching sleeve 44, the inner diameter of the first accommodating part 442 of the first matching sleeve 44 is matched with the outer diameter of the first axle 41, the first axle 41 is inserted into the first accommodating part 442 for installation and fixation during installation, and the first matching sleeve 44 is fixed with the first sub-axle 31 by the first connecting sleeve 443 and the first fastening part, the first fastening part can also be used for connection and fixation of the first axle 41 with the first matching sleeve 44 and the first sub-axle 31, so that the first axle 41 of the first wheel 40 is fixedly connected with the first sub-axle 31 without changing the size of the first sub-axle 31, and the problem that the existing axles with different types do not correspond to the size of the first sub-axle 31 is solved, the applicability of first minute axle 31 has been improved, has improved balance car's structural strength and stability simultaneously.

As shown in fig. 24 and 26, the first mating sleeve 44 is a hollow structure and includes a first receiving portion 442 adapted to the outer diameter of the first axle 41, the first mating sleeve 44 further includes a first connecting sleeve 443 for connecting with the first sub-axle 31 and a first fastening portion for connecting with the first axle 41, the first fastening portion is disposed on the first connecting sleeve 443; the first mating set 44 is fixedly connected to the first end of the first shaft 31 in an integrated structure or in a split manner. When mounted, the first axle 41 is inserted into the first receiving portion 442 and fixedly coupled to the first receiving portion 442 via the first fastening portion and the first fastening member 42. Preferably, the number of the first fastening members 42 is greater than 1, and the number of the first fastening members 42 is 2, so that the first fastening members 42 are more firmly connected with the first axle 41. The number of the first fastening pieces 42 can also be 3, 4, 5 and the like, and the number is set according to actual use requirements.

As shown in fig. 26, the first connecting sleeve 443 of the first mating sleeve 44 and the first end portion of the first spindle 31 are of an integrated structure, when the first spindle 31 is machined, the overall size of the first spindle 31 does not need to be changed, but the first mating sleeve 44 is added at the first end portion of the first spindle 31, and since the overall size of the first spindle 31 does not change, other sizes of the balance car body do not need to be changed, the first mating sleeve 44 of the structure does not need to be additionally installed, the structure is simpler, and the assembly is convenient. At this time, the first connection sleeve 443 is exposed at the end of the first sub-shaft 31, the first fastening portion is also exposed at the end of the first sub-shaft 31, the first fastening portion includes a third fastening hole 441, and the third fastening hole 441 is disposed on the first connection sleeve 443 and located outside the end of the first sub-shaft 31; corresponding to the first fastening hole 43 in the first axle shaft 41. The first fastening member 42 is inserted into the first fastening hole 43 and the third fastening hole 441 and is fixed to fixedly connect the first axle 41 and the first sub-axle 31, the first fastening member 42 is a screw or a bolt, the first fastening hole 43 is a threaded hole, the first fastening member 42 is fixedly connected with the first fastening hole 43 and the third fastening hole 441 in a threaded manner, and the first axle 41 is also fixedly connected with the first sub-axle 31 due to the integral structure of the first matching set 44 and the first sub-axle 31. In this embodiment, the outer diameter of the first axle shaft 41 may be larger than the inner diameter of the end of the first sub-axle 31 or smaller than the inner diameter of the end of the first sub-axle 31. The first split shaft 31 may be a solid tube, a hollow tube or an end hollow tube. During machining, the inner diameter of the first mating ring 44 may be determined to match the outer diameter of the first axle 41.

In the above embodiments, the first mating sleeve 44 is not easily replaced and can only correspond to wheels of one size after being processed, so that in order to make the first spindle 31 and the first mating sleeve 44 more flexibly suitable for the first spindles 41 of different sizes, in other embodiments, the first connecting sleeve 443 of the first mating sleeve 44 and the first end portion of the first spindle 31 are in a split structure and are fixedly connected, and the first connecting sleeve 443 is at least partially exposed out of the end portion of the first spindle 31.

As shown in fig. 24, the end of the first sub-shaft 31 is hollow, and the outer diameter of the first axle 41 is smaller than the inner diameter of the first sub-shaft 31; the first coupling sleeve 443 includes a first insertion end inserted into the first sub-shaft 31, and the outer diameter of the first insertion end is similar to the inner diameter of the first sub-shaft 31; the first fastening part includes a third fastening hole 441, the third fastening hole 441 being provided at the insertion end to correspond to the first fastening hole 43 on the first axle shaft 41 and the second fastening hole 312 on the first sub-axle shaft 31; the first fastening member 42 is provided on the first axle shaft 41, and the first fastening member 42 is inserted into the first fastening hole 43, the second fastening hole 312, and the third fastening hole 441 and is fixed to fixedly connect the first axle shaft 41 and the first sub-axle 31. The first fastening piece 42 is a screw or a bolt, the first fastening hole 43 is a threaded hole, the first fastening piece 42 is in threaded fixed connection with the first fastening hole 43 and the third fastening hole 441, at the moment, the first fastening piece 42 passes through the first matching sleeve 44, the first axle 41 and the first sub-axle 31 at one time, fixed connection of the first matching sleeve 44, the first axle 41 and the first sub-axle 31 is achieved, installation is convenient, and the structure is stable.

The first mating sleeve 44 also has an advantage of increasing the length of the screw thread, and when the first fastening member 42 is a screw thread, it is not suitable for machining the screw thread if the wall of the first sub-shaft 31 is thin during actual machining, and after the first mating sleeve 44 is added, the total length of the screw threads in the first fastening hole 43, the second fastening hole 312 and the third fastening hole 441 is longer, and the first fastening member 42 is more firmly connected with the first axle 41 and the first sub-shaft 31.

In the eleventh embodiment, the first mating set 44 may partially extend into the end of the first spindle 31, or may completely extend into the end of the first spindle 31, and preferably, the outer end of the first mating set 44 is provided with a protruding edge 444, and the outer diameter of the protruding edge 444 is larger than the inner diameter of the end of the first spindle 31, so as to prevent the first mating set 44 from completely entering the first spindle 31, facilitate the removal or replacement of the first mating set 44, and facilitate the alignment of the first fastening hole 43, the second fastening hole 312 and the third fastening hole 441.

In other embodiments, the first axle 41 is fixedly connected directly to the first mating set 44 and is not connected to the first sub-axle 31. The first fastening portion of the first mating sleeve 44 is disposed outside the end of the first spindle 31, and the first connecting sleeve 443 of the first mating sleeve 44 is fixedly connected with the end of the first spindle 31.

More specifically, in some embodiments, the end portion of the first sub-shaft 31 is a hollow structure, and the outer diameter of the first axle 41 is smaller than the inner diameter of the first sub-shaft 31, so that the first connection sleeve 443 of the first matching set 44 is required to be at least partially exposed out of the end portion of the first sub-shaft 31, at this time, the end portion of the first connection sleeve 443 is inserted into the end portion of the first end of the first sub-shaft 31 and fixed, and the outer diameter of the portion of the first connection sleeve 443 inserted into the first sub-shaft 31 is matched with the inner diameter of the first sub-shaft 31. The first fastening part includes a third fastening hole 441, the third fastening hole 441 being disposed at the first coupling sleeve 443 and outside the end of the first sub-shaft 31; the third fastening hole 441 corresponds to the first fastening hole 43 of the first axle 41, the first axle 41 is further provided with a first fastening member 42, and the first fastening member 42 is inserted into the first fastening hole 43 and the third fastening hole 441 and is fixed to fixedly connect the first axle 41 and the first sub-axle 31. The first fastening member 42 is a screw or a bolt, the first fastening hole 43 is a threaded hole, and the first fastening member 42 is fixedly connected to the first fastening hole 43 and the third fastening hole 441 by threads.

When the first connection sleeve 443 of the first mating sleeve 44 is threadedly connected with the end of the first shaft 31, the end of the first connection sleeve 443 is inserted into the end of the first shaft 31, the end of the first shaft 31 is provided with an internal thread, and the first mating sleeve 44 is provided with an external thread, which are threadedly connected.

When the first coupling sleeve 443 of the first mating sleeve 44 is coupled to the end of the first shaft 31 by a bolt, the end of the first coupling sleeve 443 is inserted into the end of the first shaft 31, and the bolt passes through and fixes the first mating sleeve 44 and the first shaft 31.

In other embodiments, the first mating sleeve 44 is fixedly connected to the first axle shaft 31 in a split manner, and the outer diameter of the first axle shaft 41 is larger than the inner diameter of the first axle shaft 31, in which case the first axle shaft 31 may be a hollow structure or a partially hollow tube or a solid tube; an end portion of the first coupling sleeve 443 is fitted over an end portion of the first spindle 31 and fixed. The first fastening part includes a third fastening hole 441, the third fastening hole 441 being disposed at the first coupling sleeve 443 and outside the end of the first sub-shaft 31; the third fastening hole 441 corresponds to the first fastening hole 43 of the first axle 41, the first axle 41 is further provided with a first fastening member 42, and the first fastening member 42 is inserted into the first fastening hole 43 and the third fastening hole 441 and is fixed to fixedly connect the first axle 41 and the first sub-axle 31. The first fastening member 42 is a screw or a bolt, the first fastening hole 43 is a screw hole, and the first fastening member 42 is screw-fixedly coupled to the first fastening hole 43 and the third fastening hole 441.

When the first connection sleeve 443 of the first mating sleeve 44 is in threaded connection with the end of the first spindle 31, the end of the first connection portion is sleeved on the end of the first spindle 31, the end of the first spindle 31 is provided with an external thread, and the first mating sleeve 44 is provided with an internal thread, which are in threaded connection.

When the first connection sleeve 443 of the first matching sleeve 44 is connected with the end of the first spindle 31 by a bolt, the end of the first connection sleeve 443 is sleeved on the end of the first spindle 31, and the bolt passes through and fixes the first matching sleeve 44 and the first spindle 31.

In other embodiments, the end of the first connecting sleeve 443 is welded and fixed to the end of the first sub-shaft 31, and in this case, the end of the first connecting sleeve 443 is disposed opposite to the end of the first sub-shaft 31; the first fastening part includes a third fastening hole 441, the third fastening hole 441 being disposed on the first coupling sleeve 443 and outside the end of the first sub-shaft 31; the third fastening hole 441 corresponds to the first fastening hole 43 in the first axle shaft 41; the first axle 41 is further provided with a first fastening member 42, and the first fastening member 42 is inserted into the first fastening hole 43 and the third fastening hole 441 and is fixed to fixedly connect the first axle 41 and the first sub-axle 31. The first fastening member 42 is a screw or a bolt, the first fastening hole 43 is a threaded hole, and the first fastening member 42 is fixedly coupled to the first fastening hole 43 and the third fastening hole 441 by means of a screw. In this embodiment, the outer diameter of the first axle shaft 41 may be larger than the inner diameter of the end of the first sub-axle 31 or smaller than the inner diameter of the end of the first sub-axle 31. The first split shaft 31 may be a solid tube, a hollow tube or an end hollow tube. When the first matching set 44 is selected, it is determined that the inner diameter of the first matching set 44 is matched with the outer diameter of the first axle 41, and then the first matching set 44 is welded and fixed with the first sub-axle 31, or the first matching set 44 is fixed with the first axle 41 and then welded with the first sub-axle 31.

In the first embodiment shown in fig. 1 to fig. 3, the second vehicle body 20 is fixedly connected to the second sub-axle 32, a second connection portion is disposed at an outer end of the second sub-axle 32, the second axle 51 is fixedly connected to the second connection portion by the second fastening member 52 to form a second connection portion, and the second fastening member 52 passes through the second connection portion to be fixedly connected to the second vehicle body 20; the second axle of the second wheel 50 is fixedly connected with the outer end of the second sub-axle 32 and is also fixedly connected with the second vehicle body 20, the force carried by the second vehicle body 20 is transmitted to the second wheel 50 through the second sub-axle 32 and the second vehicle body 20, and the second axle is directly connected with the second sub-axle 32, so that the connection between the second axle and the second vehicle body 20 is more stable, the whole structure of the balance car can be more stable, and heavier people or objects can be carried.

Preferably, a second vehicle body 20 is provided with a second vehicle bearing receptacle 25 therein, and a second connection is mounted in the second vehicle bearing receptacle 25, the second bearing receptacle 25 has a second axle mounting groove 26 provided therein, the second axle mounting groove 26 being shaped to fit the form of the second connection, more specifically, the second axle being inserted into the second connection of the second split shaft 32 to form the second connection, the shape of the second axle mounting groove 26 is therefore the same as the shape of the second connection portion of the second sub-shaft 32, more specifically the shape of the second axle bearing receptacle 25 is adapted to the outer diameter of the second connection portion of the second sub-shaft 32, the second axle bearing receptacle 25 serves to improve the mounting stability of the second connection, thereby improving the stability of the connection between the second axle and the second body 20 at the outer end of the second sub-axle 32 and enhancing the bearing capacity of the second body 20. The second fastening member 52 is fixedly coupled to the second vehicle bearing receptacle 25, and preferably, the second fastening member 52 is a screw and the second fastening member 52 is threadedly coupled to the second axle and the second vehicle bearing receptacle 25.

Preferably, the number of the second fastening members 52 is greater than 1, and as shown in fig. 1, the number of the second fastening members 52 is 2, so that the second fastening members 52 are firmly connected with the second connection portion and the second vehicle body 20. The number of the second fastening pieces 52 can also be 3, 4, 5 and the like, and the number is set according to actual use requirements.

In the first embodiment shown in fig. 2 and 3, the second vehicle body 20 includes a second upper shell 21 and a second lower shell, and the second bearing receptacle 25 is provided on the second upper shell 21, more specifically, on the lower surface of the second upper shell 21 on the side closer to the second wheel 50. At this time, the outer ends of the second axle of the second wheel 50 and the second sub-axle 32 are fixedly connected to the second upper shell 21, and the second upper shell 21 is directly stepped on, so that the force acting on the second upper shell 21 can be directly transmitted to the second sub-axle 32 and the second wheel 50 through the connection, and the bearing capacity of the second upper shell 21 is further improved. When installed, the second fastener 52 is inserted into the second connection portion from the bottom to the top, and the distal end is fixedly threaded to the second vehicle bearing mount 25.

In another embodiment, the second vehicle body 20 includes a second upper shell 21 and a second lower shell on which the second axle receptacle 25 is provided, more specifically, on an upper surface of a side of the second lower shell close to the second wheel 50. At this time, the outer ends of the second axle and the second axle sub-shaft 32 of the second wheel 50 are fixedly connected to the second lower shell, and under the action of gravity and the second fastener 52, the second axle and the second axle sub-shaft 32 can be more stably mounted in the second wheel bearing seat 25 during use, and the second upper shell 21 can be prevented from being mounted with too many parts, which damages the mechanical strength of the second upper shell 21.

In the above embodiment, the second connecting pillar or the second fixing frame and the second fastening member 52 fix both ends of the second vehicle body 20 to the second sub-axle 32, so that the stable connection between the second vehicle body 20 and the second sub-axle 32 is further strengthened.

Based on the above-described embodiment, there are a plurality of connection manners when the second axle is connected at the outer end of the second sub-axle 32. More specifically, as shown in fig. 1 to 3, the second connecting portion is a hollow structure at the outer end of the second sub-shaft 32, the second axle 51 has an outer diameter matched with the inner diameter at the outer end of the second sub-shaft 32, the second axle is provided with a fourth fastening hole 53, the second sub-shaft 32 is provided with a fifth fastening hole 322, the second fastening member 52 is matched with the fourth fastening hole 53 and the fifth fastening hole 322, and when the second axle is inserted into the outer end of the second sub-shaft 32, the fourth fastening hole 53 and the fifth fastening hole 322 are aligned and the second fastening member 52 simultaneously passes through the fourth fastening hole 53 and the fifth fastening hole 322 to fix the second axle and the second connecting portion.

When the second axle shaft 32 is a solid pipe or the outer diameter of the second axle shaft is not fit with the inner diameter of the second axle shaft 32, in the eleventh embodiment and the twelfth embodiment shown in fig. 25 and 27, the second connecting portion includes the second matching set 54, the second axle shaft is connected with the second axle shaft 32 through the second matching set 54, the inner diameter of the second accommodating portion 542 of the second matching set 54 is matched with the outer diameter of the second axle shaft, the second axle shaft is inserted into the second accommodating portion 542 for installation and fixation during installation, the second matching set 54 is fixed with the second axle shaft 32 through the second connecting sleeve 543 and the second fastening portion, the second fastening portion can also be used for connection and fixation of the second axle shaft with the second axle shaft 32, so that the second axle shaft and the second axle shaft 32 of the second wheel 50 are fixedly connected without changing the size of the second axle shaft 32, and the problem that the existing wheels of different models are not matched with the size of the second axle shaft 32 is solved, the applicability of the second sub-shaft 32 is improved, and meanwhile the structural strength and stability of the balance car are improved.

As shown in fig. 25 and 27, the second mating sleeve 54 is a hollow structure, and includes a second accommodating portion 542 adapted to the outer diameter of the second axle 51, the second mating sleeve 54 further includes a second connecting sleeve 543 for connecting with the second split shaft 32 and a second fastening portion for connecting with the second axle, and the second fastening portion is disposed on the second connecting sleeve 543; the second matching sleeve 54 is fixedly connected with the outer end of the second split shaft 32 in an integrated structure or a split type. When mounted, the second axle is inserted into the second receiving portion 542 and is fixedly coupled to the second receiving portion 542 via the second fastening portion and the second fastener 52. Preferably, the number of the second fastening members 52 is greater than 1, as shown in fig. 25 and 27, and the number of the second fastening members 52 is 2, so that the connection between the second fastening members 52 and the second axle is firmer. The number of the second fastening pieces 52 can also be 3, 4, 5 and the like, and the number is set according to actual use requirements.

In the twelfth embodiment shown in fig. 27, the second connecting sleeve 543 of the second matching sleeve 54 and the end portion of the outer end of the second split shaft 32 are integrated, when the second split shaft 32 is machined, the overall size of the second split shaft 32 does not need to be changed, but the second matching sleeve 54 is added to the end portion of the outer end of the second split shaft 32, because the overall size of the second split shaft 32 does not need to be changed, other sizes of the balance car body do not need to be changed, the second matching sleeve 54 with such a structure does not need to be additionally installed, the structure is simpler, and the assembly is convenient. At this time, the second connecting sleeve 543 is exposed at the end of the second split shaft 32, the second fastening portion is also exposed at the end of the second split shaft 32, the second fastening portion includes a sixth fastening hole 541, and the sixth fastening hole 541 is disposed on the second connecting sleeve 543 and located outside the end of the second split shaft 32; corresponding to the fourth fastening hole 53 in the second axle. The second fastening member 52 is inserted into the fourth fastening hole 53 and the sixth fastening hole 541 and is fixed to fixedly connect the second axle shaft with the second split shaft 32, the second fastening member 52 is a screw or a bolt, the second fastening hole 312 is a threaded hole, the second fastening member 52 is in threaded fixed connection with the fourth fastening hole 53 and the sixth fastening hole 541, and the second axle shaft is also fixedly connected with the second split shaft 32 because the second matching sleeve 54 and the second split shaft 32 are of an integrated structure. In this embodiment, the outer diameter of the second axle may be greater than the inner diameter of the end of the second sub-axle 32 or less than the inner diameter of the end of the second sub-axle 32. The second split shaft 32 may be a solid tube, a hollow tube, or a hollow tube at the end. During machining, the inner diameter of the second mating ring 54 may be determined to mate with the outer diameter of the second axle.

In the above embodiments, the second matching sleeve 54 is not easy to replace, and can only correspond to wheels of one size after being processed, so that in order to make the second axle shaft 32 and the second matching sleeve 54 more flexibly suitable for second axle shafts of different sizes, in other embodiments, the end portions of the second connecting sleeve 543 of the second matching sleeve 54 and the outer end portion of the second axle shaft 32 are in a split structure and are fixedly connected, and the second connecting sleeve 543 at least partially exposes out of the end portion of the second axle shaft 32.

In the eleventh embodiment shown in fig. 25, the end of the second sub-shaft 32 is hollow, and the outer diameter of the second axle is smaller than the inner diameter of the second sub-shaft 32; the second connecting sleeve 543 comprises a second inserting end inserted into the second sub-shaft 32, and the outer diameter of the second inserting end is matched with the inner diameter of the second sub-shaft 32 similarly; the second fastening portion includes a sixth fastening hole 541, the sixth fastening hole 541 being disposed at the insertion end, corresponding to the fourth fastening hole 53 on the second axle and the fifth fastening hole 322 on the second sub-axle 32; the second axle is provided with a second fastening member 52, and the second fastening member 52 is inserted into the fourth fastening hole 53, the fifth fastening hole 322 and the sixth fastening hole 541 and is fixed to fixedly connect the second axle with the second sub-axle 32. The second fastening piece 52 is a screw or a bolt, the second fastening hole 312 is a threaded hole, the second fastening piece 52 is in threaded fixed connection with the fourth fastening hole 53 and the sixth fastening hole 541, at the moment, the second fastening piece 52 passes through the second matching sleeve 54, the second axle and the second split shaft 32 at one time, the fixed connection of the second matching sleeve 54, the second axle and the second split shaft 32 is achieved, the installation is convenient, and the structure is stable.

The second mating sleeve 54 also has the advantage of increasing the length of the thread, when the second fastening member 52 is a screw, it is not suitable for machining the thread if the wall of the second sub-shaft 32 is thin during actual machining, and after the second mating sleeve 54 is added, the total length of the threads in the fourth fastening hole 53, the fifth fastening hole 322 and the sixth fastening hole 541 is longer, and the second fastening member 52 is connected with the second axle and the second sub-shaft 32 more firmly.

In the eleventh embodiment, the second mating sleeve 54 may partially extend into the end portion at the outer end of the second split shaft 32, or may fully extend into the end portion at the outer end of the second split shaft 32, and preferably, the outer end of the second mating sleeve 54 is provided with a protruding edge 444, and the outer diameter of the protruding edge 444 is larger than the inner diameter of the end portion of the second split shaft 32, so as to prevent the second mating sleeve 54 from completely entering the second split shaft 32, facilitate the removal or replacement of the second mating sleeve 54, and facilitate the alignment of the fourth fastening hole 53, the fifth fastening hole 322 and the sixth fastening hole 541.

In other embodiments, the second axle is fixedly coupled directly to the second mating set 54 and is not coupled to the second countershaft 32. The second fastening portion of the second mating sleeve 54 is disposed outside the end of the second split shaft 32, and the second connecting sleeve 543 of the second mating sleeve 54 is fixedly connected to the end of the second split shaft 32.

More specifically, in some embodiments, the end of the second sub-shaft 32 is hollow, and the outer diameter of the second axle is smaller than the inner diameter of the second sub-shaft 32, so that the second connection sleeve 543 of the second matching set 54 is at least partially exposed out of the end of the second sub-shaft 32, at this time, the end portion of the second connection sleeve 543 is inserted into the end at the outer end of the second sub-shaft 32 and fixed, and the outer diameter of the portion of the second connection sleeve 543 inserted into the second sub-shaft 32 is matched with the inner diameter of the second sub-shaft 32. The second fastening portion includes a sixth fastening hole 541, and the sixth fastening hole 541 is disposed outside the end of the second connecting sleeve 543 and located outside the second split shaft 32; the sixth fastening hole 541 corresponds to the fourth fastening hole 53 of the second axle, and the second axle is further provided with a second fastening member 52, and the second fastening member 52 is inserted into the fourth fastening hole 53 and the sixth fastening hole 541 and is fixed to fixedly connect the second axle with the second sub-axle 32. The second fastening member 52 is a screw or a bolt, the fourth fastening hole 53 is a threaded hole, and the second fastening member 52 is fixedly screwed to the fourth fastening hole 53 and the sixth fastening hole 541.

When the second connecting sleeve 543 of the second matching sleeve 54 is in threaded connection with the end of the second split shaft 32, the end of the second connecting sleeve 543 is inserted into the end of the second split shaft 32, the end of the second split shaft 32 is provided with internal threads, and the second matching sleeve 54 is provided with external threads, which are in threaded connection.

When the second connecting sleeve 543 of the second matching sleeve 54 is connected with the end of the second shaft 32 by a bolt, the end of the second connecting sleeve 543 is inserted into the end of the second shaft 32, and the bolt passes through and fixes the second matching sleeve 54 and the second shaft 32.

In other embodiments, the second mating sleeve 54 is fixedly connected to the second split shaft 32 in a split manner, and the outer diameter of the second axle is larger than the inner diameter of the second split shaft 32, in which case the second split shaft 32 may be a hollow structure or a partially hollow tube or a solid tube; the end part of the second connecting sleeve 543 is sleeved on the end part of the second split shaft 32 and fixed. The second fastening portion includes a sixth fastening hole 541, and the sixth fastening hole 541 is disposed outside the end of the second connecting sleeve 543 and located outside the second split shaft 32; the sixth fastening hole 541 corresponds to the fourth fastening hole 53 of the second axle, and a second fastening member 52 is further disposed on the second axle, and the second fastening member 52 is inserted into the fourth fastening hole 53 and the sixth fastening hole 541 and is fixed to fixedly connect the second axle with the second sub-shaft 32. The second fastening member 52 is a screw or a bolt, the fourth fastening hole 53 is a threaded hole, and the second fastening member 52 is screw-fixedly coupled to the fourth fastening hole 53 and the sixth fastening hole 541.

When the second connecting sleeve 543 of the second matching sleeve 54 is in threaded connection with the end of the second split shaft 32, the end of the second connecting sleeve 543 is sleeved on the end of the second split shaft 32, the end of the second split shaft 32 is provided with an external thread, the second matching sleeve 54 is provided with an internal thread, and the two are in threaded connection.

When the second connecting sleeve 543 of the second matching sleeve 54 is connected with the end of the second spindle 32 by a bolt, the end of the second connecting sleeve 543 is sleeved on the end of the second spindle 32, and the bolt passes through the second matching sleeve 54 and the second spindle 32 and fixes the two.

In other embodiments, the end of the second connecting sleeve 543 is welded and fixed to the end of the second split shaft 32, and at this time, the end of the second connecting sleeve 543 is disposed opposite to the end of the second split shaft 32; the second fastening portion includes a sixth fastening hole 541, and the sixth fastening hole 541 is disposed on the second connection sleeve 543 and outside the end of the second split shaft 32; the sixth fastening hole 541 corresponds to the fourth fastening hole 53 in the second axle; the second axle shaft is further provided with a second fastening member 52, and the second fastening member 52 is inserted into the fourth fastening hole 53 and the sixth fastening hole 541 and fixedly connects the second axle shaft with the second split shaft 32. The second fastening member 52 is a screw or a bolt, the second fastening hole 312 is a threaded hole, and the second fastening member 52 is screw-fixedly coupled to the fourth fastening hole 53 and the sixth fastening hole 541. In this embodiment, the outer diameter of the second axle may be greater than the inner diameter of the end of the second sub-axle 32 or less than the inner diameter of the end of the second sub-axle 32. The second split shaft 32 may be a solid tube, a hollow tube, or an end hollow tube. When the second matching sleeve 54 is selected, it is determined that the inner diameter of the second matching sleeve 54 matches the outer diameter of the second axle, and then the second matching sleeve 54 is welded and fixed with the second split shaft 32, or the second matching sleeve 54 is fixed with the second axle and then welded with the second split shaft 32.

In other embodiments, as shown in fig. 28, the first sub-axle 31 is spaced apart from the first wheel 40 of the first axle 41, the first axle 41 of the first wheel 40 is fixedly connected to the first body 10, the second sub-axle 32 is spaced apart from the second wheel 50 of the second axle, and the second axle of the second wheel 50 is fixedly connected to the second body 20. At this time, the first sub-axle 31 extends into the first vehicle body 10 and is close to the first axle 41, and both ends of the first sub-axle 31 are fixedly connected with the first vehicle body 10; the second sub-axle 32 extends into the second vehicle body 20 near the second axle, and both ends of the second sub-axle 32 are fixedly connected to the second vehicle body 20.

Preferably, the first vehicle body 10 is provided with a first bearing seat 15 therein, and the first axle 41 is fixedly connected with the first bearing seat 15; a pad 55 is arranged between the first axle 41 and the first bearing seat 15, and the first fastening member 42 passes through the first axle 41 and is fixedly connected with the first bearing seat 15 through the pad 55. The first fastening member 42 is a screw, and the first axle 41 and the first axle bearing seat 15 are fixedly connected by the screw. In order to increase the length of the screw thread, the first axle 41 and the first lower housing are connected more firmly, a gasket 55 is arranged between the first axle 41 and the first axle bearing seat 15, and a screw hole is arranged on the gasket 55, so that the length of the screw thread is further increased, and the connection between the first axle 41 and the first axle bearing seat 15 can be buffered. Preferably, the pad 55 is a steel sheet, and may be disposed in the first bearing seat 15, or may be disposed on the upper surface of the first upper shell 11, and corresponds to a screw hole in the first bearing seat 15, and the pad 55 is also provided with a screw hole, and corresponds to a screw hole in the first bearing seat 15. The pad 55 may also be embedded in the first bearing seat 15 for enhancing the mechanical strength of the first bearing seat 15, so as to make the connection between the first axle 41 and the first vehicle body 10 more secure.

Preferably, a second vehicle body 20 is provided with a second vehicle bearing receptacle 25, and a second axle is fixedly connected with the second vehicle bearing receptacle 25; a washer 55 is disposed between the second axle and the second axle bearing receptacle 25, and the second fastener 52 passes through the second axle and the washer 55 to be fixedly connected to the second axle bearing receptacle 25. The second fastener 52 is a screw, and the second axle bearing bracket 25 are fixedly connected by the screw. In order to increase the thread length, the second axle and the second lower shell are connected more firmly, a gasket 55 is arranged between the second axle and the second vehicle bearing connecting seat 25, a screw hole is formed in the gasket 55, the thread length is further prolonged, and meanwhile, the connection between the second axle and the second vehicle bearing connecting seat 25 can be buffered. Preferably, the shim 55 is a steel plate, and may be disposed in the second vehicle bearing seat 25, or may be disposed on the upper surface of the second upper shell 21, and corresponds to a screw hole in the second vehicle bearing seat 25, and the shim 55 is also provided with a screw hole corresponding to a screw hole in the second vehicle bearing seat 25. The shim 55 may also be embedded in the second axle receptacle 25 for enhancing the mechanical strength of the second axle receptacle 25 and making the connection of the second axle to the second vehicle body 20 more secure.

In other embodiments, as shown in fig. 29, the first sub-axle 31 is spaced apart from the first wheel 40 of the first axle 41, the first axle 41 of the first wheel 40 is fixedly connected to the first body 10, and the second sub-axle 32 is directly connected to the second wheel 50 of the second axle and is directly connected to the second body 20; or the second split shaft and a second wheel of the second axle are arranged at intervals, the second axle of the second wheel is fixedly connected with the second vehicle body, and the first split shaft is directly connected with the first wheel of the first axle and is also directly connected with the first vehicle body. In these embodiments, the connection manner of the first sub-axle, the first axle and the first vehicle body can refer to the structure in the above embodiments, and details are not repeated herein; the connection manner of the second sub-axle, the second axle and the second vehicle body can refer to the structure in the above embodiment, and is not described herein again.

In the above embodiment, the wheel hub motors of the first wheel 40 and the second wheel 50 may each have a self-resetting function, and the first body 10 and the second body 20 may be automatically reset when the balance car is not in use, without providing an additional resetting structure.

Based on the above embodiment, in order to realize the control to the balance car, be equipped with the control panel in the balance car. More specifically, a first component set is disposed in the first vehicle body, and a second component set is disposed in the second vehicle body.

In some embodiments, the first control board is fixedly connected to the first upper case, the first control board is located above the first split shaft, the first upper case is provided with an exposing hole for exposing the first control board, the first control board is located below the first upper case, the first trigger switch on the first control board is located in the exposing hole, the first pedal is movably connected to the first upper case, the first trigger piece on the lower surface of the first pedal corresponds to the first trigger switch located in the exposing hole, and the first pedal can trigger the first trigger switch under the external force, so that the balance car is controlled to work. The second control panel and second epitheca fixed connection, the second control panel is located the top of second minute axle, and be equipped with the exposure hole that supplies the second control panel to expose on the second epitheca, the second control panel is located the below of second epitheca and the second trigger switch on it is located the exposure hole, second footboard and second epitheca swing joint, the second trigger piece of second footboard lower surface corresponds with the second trigger switch who is located the exposure hole, make the second footboard can trigger second trigger switch under the exogenic action, thereby control balance car work. At this time, the first upper case and the second upper case are of an integrated structure, the first lower case and the second lower case are of an integrated structure, and the first vehicle body and the second vehicle body relatively rotate, more specifically, the first pedal and the first control board on the first vehicle body relatively rotate with the second pedal and the second control board on the second vehicle body.

In other embodiments, when the first assembly 80 is provided with a first control board, the first control board may be directly and fixedly connected to the first upper shell or the first lower shell, or fixedly connected to the through shaft. As shown in fig. 2 and 19, the first control board 81 is fixedly connected to the first upper shell 11, and more specifically, the first control board 81 is fixedly connected to the first upper shell 11 through a first control board mounting column 812 on the inner wall of the first upper shell 11, and the operation of the balance car is controlled by the first car body. The first control board mounting columns 812 extend downward, and the first control board 81 is mounted on the first control board mounting columns 812 by screws and located below the through shaft 30.

As shown in fig. 18, the first control plate 81 is fixedly connected to the first lower case 12; more specifically, the first control panel 81 is fixedly connected to the first lower case 12 through a first control panel mounting post 812 on the inner wall of the first lower case 12, and the operation of the balance car is controlled by the first car body 10. The first control board mounting columns 812 extend upward, and the first control board 81 is mounted on the first control board mounting columns 812 by screws and located below the through shaft 30.

As shown in fig. 4, 5, 10 and 17, the first control plate 81 is connected to the through shaft via a first control plate holder 82; when first control panel 81 and first minute axle fixed connection, be equipped with first control grillage 82 on the first minute axle, first control grillage 82 includes first minute axle installation department and first control panel 81 fixed part.

Fig. 4 and fig. 17 disclose a structure of control grillage, and at this moment, first minute axle 31 installation part includes first through-hole 821 and first locating hole 822, and first control grillage 82 overlaps through first through-hole 821 and establishes on first minute axle 31 and fixed through first locating hole 822, is equipped with first locating hole 822 on the lateral wall of first through-hole 821, and first minute axle 31 corresponds the position and is equipped with the screw hole, and the screw passes first locating hole and screw hole and fixes first control grillage 82 on first minute axle 31. The first control plate bracket 82 is located on the side near the first axle 41.

As shown in fig. 4, the first control board frame 82 includes a first fixing platform 823, the first axle 41 is fixedly connected to the first sub-axle 31 by the first fastening member 42, and in some embodiments, the first fixing platform 823 is provided with a first avoiding slot 824 for avoiding the first fastening member 42 and the first connection position of the first axle 41 and the first sub-axle 31.

In some embodiments, the first fixing platform 823 is located above the first shaft 31, the top surface is a flat surface, the first control board 81 is located below the first shaft 31, and the top surface of the first fixing platform 823 abuts against the inner surface of the first upper case 11, and at this time, the first control board frame 82 does not rotate under the condition that the first vehicle body does not rotate. In other embodiments, the first fixing platform may be connected to the first upper housing by a snap, a weld, or a screw, so as to be stationary along with the first vehicle body.

As shown in fig. 4, the first fixing platform 823 is located below the first sub-shaft 31, the first control board 81 is located above the first sub-shaft 31, and a bottom surface of the first fixing platform 823 abuts against an inner surface of the first lower case 12. In other embodiments, the first fixing platform may be connected to the first lower shell by clamping, welding, or screwing, so as to be stationary along with the first vehicle body.

The first control panel 81 needs to be fixedly connected with the first fixing platform 823, so the first control panel frame 82 includes a plurality of first positioning columns 825, the first positioning columns 825 and the first fixing platform 823 are integrally arranged, when the first fixing platform is connected with the first upper shell, the first control panel is arranged below the first sub-shaft, and the first positioning columns extend downwards, are located on two sides of the first sub-shaft, and are fixedly connected with the first control panel; when the first fixing platform is connected with the first lower shell, the first control panel is arranged above the first split shaft, and the first positioning column extends upwards, is positioned on two sides of the first split shaft and is fixedly connected with the first control panel.

In another specific embodiment, as shown in fig. 10, another control panel frame structure is disclosed, in which the first through-shaft mounting portion is a half-slot structure, the shape of the slot is matched with the shape of the through-shaft 30, and when the first vehicle body 10 is fixedly connected to the first sub-shaft 31, the half-slot structure is provided with a first positioning hole 822 for fixedly connecting to the first sub-shaft 31. The first control panel fixed part is first fixed platform 823, and sets up in same one side with first control panel 81, and first control panel 81 direct mount is in first fixed platform 823, and first fixed platform 823 sets up butt portion 827 towards first epitheca 11 or first epitheca 12 extension simultaneously for the inner wall of first epitheca 11 or first epitheca 12 offsets.

In order to realize the control of the balance car through the first car body, as shown in fig. 4 and fig. 5, a first trigger switch 811 is disposed on the first control board 81, the first car body 10 includes a first pedal 16, the first pedal 16 is movably connected with respect to the first car body, a first trigger 161 is disposed on a surface of the first pedal 16 facing the first control board 81, and the first trigger 161 is configured to movably trigger the first trigger switch 811.

More specifically, as shown in fig. 5, the first trigger 161 is disposed on a first contact post 162 on the bottom surface of the first pedal 16. In some embodiments, as shown in fig. 17, when the first control board 81 is disposed below the first fixing platform 823 and the first split shaft, the first fixing platform 823 is provided with a first avoiding hole 826 adapted to the first contact column 162 for the first trigger 161 to pass through. In other embodiments, as shown in fig. 4 and 5, the first control board 81 is disposed above the first shaft 31, and the first fixing platform 82 is disposed below the first shaft 31 and fixedly connected to the first lower housing 12, so that the first trigger 161 can directly pass through the first trigger hole 112 of the first upper housing 11 to trigger the first trigger switch 811, and the first trigger switch can be a photoelectric switch, an infrared switch, or the like. An elastic piece (not shown) is arranged between the first pedal and the first upper shell and used for resetting the first pedal, so that the first pedal is separated from the first trigger switch when a person does not stand on the first pedal, and the first control panel cannot be started to enable the balance car to start working.

In other embodiments, the first trigger switch is disposed in the first mounting groove of the first upper housing and located below the first pedal, the first trigger switch is electrically connected to a first control board disposed in the first vehicle body through a first connecting line (not shown), a first wire passing groove is disposed in the first mounting groove or on a side edge of the first mounting groove for the first connecting line to pass through and be connected to the first control board, and at this time, no matter whether the first control board is located above the first pivot or below the first pivot, the first trigger switch can be connected to the first trigger switch through the first connecting line, and the first trigger switch performs signal transmission with the first control board through the first connecting line. Be equipped with the elastic component between first footboard and the first epitheca for the reseing of first footboard makes first footboard stand the people on it and separates with first trigger switch, can not start first control panel and make balance car begin work.

When the first component assembly includes the battery assembly, the battery assembly may be fixedly connected to the first upper case or the first lower case, or may be fixedly connected to the first sub-shaft. As shown in fig. 18, the battery module 83 is fixedly attached to the first lower case 12; more specifically, the battery assembly 83 is fixedly connected to the first lower case 12 through the battery mounting post 86 on the inner wall of the first lower case 12, so that the center of gravity of the first vehicle body is low and the balance vehicle is more stably operated. The battery component is fixedly connected with the battery mounting column through screws. As shown in fig. 20, the battery pack 83 is fixedly coupled to the first upper case 11. More specifically, the battery assembly 83 is fixedly connected to the first upper case 11 through a battery mounting post 86 on the inner wall of the first upper case 11, and the battery assembly 83 is fixedly connected to the battery mounting post 86 through a screw.

As shown in fig. 4, 5 and 31, a battery assembly fixing frame 84 is disposed on the first sub-shaft 31, the battery assembly 83 is fixedly connected to the first sub-shaft 31 through the battery assembly fixing frame 84, the battery assembly fixing frame 84 is fixedly connected to the first sub-shaft 31 or is of an integrated structure, and when the battery assembly fixing frame 84 and the first sub-shaft 31 are of a split structure, the battery assembly fixing frame 84 is welded or screwed to the first sub-shaft 31.

The battery assembly 83 is fixedly connected with two ends of the battery assembly fixing frame 84, so that the battery assembly 83 is fixedly connected with the first split shaft 31. More specifically, the battery assembly mounting structure includes a connecting member 85, a first battery mounting hole 832 is provided on an outer wall of the battery assembly 83; the connector 85 corresponds to the first battery mounting hole 832; the end of the battery assembly holder 84 is provided with a second battery mounting hole 841, and the connecting member 85 passes through the first battery mounting hole 832 and the second battery mounting hole 841 to fix the battery assembly 83 on the battery assembly holder 84. Preferably, the connecting piece is a screw, the first battery mounting hole is a screw hole, the second battery mounting hole is a screw hole, and the battery assembly is fixedly connected with the battery assembly fixing frame through the screw.

Because the connecting positions of the battery pack fixing frame and the battery pack are different, the number of the battery pack fixing frames is also different. The battery pack includes a battery box and a battery pack disposed in the battery box, and an outer wall of the battery box includes four sides, wherein the first side and the second side are respectively located at two sides of the first split axis, and the third side and the fourth side cross the first split axis, as shown in fig. 4 and 31, the first side 833 and the second side 834 are front and back sides, and the third side 835 and the fourth side 836 are left and right sides.

In some embodiments, as shown in fig. 31, the number of the battery assembly holders 84 is two, corresponding to the left and right sides of the battery assembly 83, that is, the third side 835 and the fourth side 836, and more specifically, at least two battery installation seats 831 are respectively disposed on the third side 835 and the fourth side 836, the two battery installation seats 831 are disposed on two sides of the first axis, the first battery installation hole 832 is disposed on the battery installation seat 831, one battery assembly holder 84 is disposed corresponding to the third side 835, and the other battery assembly holder 84 is disposed corresponding to the fourth side 836; preferably, the side edges of the battery mount 831 are provided with reinforcing ribs 837 for enhancing the structural strength of the battery mount.

The battery pack fixing frame can be provided with the lower end of the first split shaft, also can be provided with the upper end of the first split shaft, and also can be transversely inserted into the middle section of the first split shaft, or can be divided into two sections which are fixedly arranged on two sides of the middle section of the first split shaft. As shown in the attached drawings and the attached drawings, the battery component fixing frame is provided with the lower end of the first split shaft, the height of the battery mounting seat is higher than that of the battery component fixing frame, and the connecting piece (screw) penetrates through the second battery mounting hole and the first battery mounting hole from bottom to top to be connected and fixed with the battery component and the battery component fixing frame. In other embodiments, the height of the battery pack fixing frame may be higher than that of the battery mounting seat, and the connecting member passes through the second battery mounting hole and the first battery mounting hole from top to bottom.

As shown in fig. 4 and 5, the battery mounting seat 831 is disposed on the first side 833 and the second side 834, the first battery mounting hole 832 is disposed on the battery mounting seat 831, and the battery assembly fixing frame 84 is connected with the first battery mounting hole 832 across the battery assembly. The number of battery pack mount can be one, and is corresponding, and the number of the battery mount pad on the first side is one, and the number of the battery mount pad on the second side is one, and two battery mount pads symmetry sets up. Of course, the number of the battery component fixing frames can also be 2, 3 and the like, and the number of the battery installing seats corresponds to that of the battery component fixing frames. At this time, the height of the battery assembly fixing frame is higher than that of the battery mounting seat, and the connecting member passes through the first battery mounting hole 832 and the second battery mounting hole 841 from top to bottom to connect the battery assembly 83 and the battery assembly fixing frame 84. Preferably, the battery mount 831 is provided at a side thereof with a reinforcing rib 837 for enhancing the structural strength of the battery mount. If the housing of the battery pack is chamfered or filleted, the first side 833 and the second side 834 include chamfered and filleted surfaces. As shown in fig. 4, the battery mount 831 is provided on a chamfered surface.

The height of the battery mounting seat on the battery assembly relative to the first split shaft determines the height of the battery assembly relative to the first split shaft, so that the thickness of the balance car body is influenced. More specifically, in some embodiments, the height of the battery mounting seat is lower than the axial height of the first split shaft, so that the battery assembly is closer to the first lower shell, and the center of gravity of the balance car is lower. In other embodiments, the height of the battery mounting seat is higher than the axial height of the first split shaft, and the battery assembly is closer to the first upper shell, so that the thickness of the first vehicle body is reduced, the distance between the first lower shell and the ground is larger, and the balance vehicle can conveniently cross obstacles on the ground.

Preferably, as shown in fig. 4, a through slot 838 is formed on the battery compartment of the battery assembly 83, the first sub-shaft 31 passes through the through slot 838 and is partially positioned in the through slot 838, and at least part of the structure of the battery assembly is positioned below the first sub-shaft. The top surface of the battery box is higher than the lowest part of the first split shaft through the through groove, and more batteries can be placed in the battery box to provide more electric power.

When the second component group 90 in the second vehicle body includes the second control board 91, the second control board may be fixedly connected with the second upper shell or the second lower shell, and may also be fixedly connected with the second sub-axle. The second control panel is fixedly connected with the second lower shell; more specifically, the second control panel passes through second control panel erection column on the second epitheca inner wall and second epitheca fixed connection, through the operation of second automobile body control balance car. The second control panel mounting columns extend downwards, and the second control panels are mounted on the second control panel mounting columns through screws and located below the second split shafts. As shown in fig. 9, the second control board 91 is fixedly connected to the second upper case 21; more specifically, the second control panel 91 is fixedly connected to the second upper case 21 through a second control panel mounting post 912 on the inner wall of the second upper case 21, and controls the operation of the balance car through the second car body. The second control panel mounting posts 912 extend downward, and the second control panel 91 is mounted on the second control panel mounting posts 912 through screws and located below the second split shaft.

As shown in fig. 4 and 10, a second control plate frame is arranged on the second split shaft, and the second control plate is fixedly connected with the second split shaft through the second control plate frame; the second control panel frame includes second split axle installation portion and second control panel fixed part.

As shown in fig. 4, disclosing a structure of the control board frame, the second split shaft mounting part of the second control board frame 92 includes a second through hole 921 and a second positioning hole 922, the second control board frame 92 is sleeved on the second split shaft 32 through the second through hole 921 and is fixed through the second positioning hole 922, the side wall of the second through hole 921 is provided with the second positioning hole 922, the corresponding position of the second split shaft 32 is provided with a screw hole, and the screw passes through the positioning hole and the screw hole to fix the second control board frame on the second split shaft. The second control board frame is positioned on one side of the second fixed frame close to the second axle.

The second control panel frame 92 includes a second fixing platform 923, the second wheel is fixedly connected to the second split shaft by a second fastener, in some embodiments, a second avoidance slot 924 is provided on the second fixing platform 923 for avoiding a second junction and a second fastener of the second wheel and the second split shaft.

In a specific embodiment, the second fixed platform is located above the second sub-axle, the top surface is a plane, the second control board is located below the second sub-axle, and the top surface of the second fixed platform abuts against the inner surface of the second upper shell. In other embodiments, the second fixing platform can be connected with the second upper shell in a clamping, welding or screwing manner, so as to be stationary along with the second vehicle body.

As shown in fig. 4, the second fixing platform 923 is located below the second axle shaft 32, the second control board 91 is located above the second axle shaft 32, and the bottom surface of the second fixing platform 923 abuts against the inner surface of the second lower casing 22, and at this time, the second control board frame does not rotate even when the second vehicle body does not rotate. In other embodiments, the second fixing platform can be connected with the second lower shell in a clamping, welding or screwing mode and the like so as to be stationary along with the second vehicle body.

The second control panel 91 needs to be fixedly connected with the second fixing platform 923, so the second control panel frame 92 comprises a plurality of second positioning columns 925, the second positioning columns 925 and the second fixing platform 923 are integrally arranged, when the second fixing platform is connected with the second upper shell, the second control panel is arranged below the second split shaft, the second positioning columns extend downwards, are positioned at two sides of the second split shaft, and are fixedly connected with the second control panel; when the second fixed platform is connected with the second lower shell, the second control panel is arranged above the second split shaft, and the second positioning column extends upwards, is positioned on two sides of the second split shaft and is fixedly connected with the second control panel.

In another specific embodiment, as shown in fig. 10, another structure of the control board frame is disclosed, in which the second through-shaft mounting portion is a half-slot structure, the shape of the slot is matched with the shape of the through-shaft 30, and when the second vehicle body 20 is fixedly connected to the second sub-shaft 32, the half-slot structure is provided with a second positioning hole for fixedly connecting to the second sub-shaft 31. The second control panel fixed part is the fixed platform 923 of second, and the setting of second control panel 91 is in same one side, and second control panel 91 direct mount is on the fixed platform 923 of second, and the fixed platform 923 of second sets up butt portion 827 towards second epitheca 21 or the extension of second inferior valve 22 simultaneously for the inner wall of second epitheca 21 or second inferior valve 22 offsets.

In order to realize the control of the balance car through the second car body, as shown in fig. 4 and fig. 5, a second trigger switch 911 is provided on the second control board 91, the second car body 20 includes a second pedal 27, the second pedal 27 is movably connected with respect to the second car body 20, a second trigger 271 is provided on a surface of the second pedal 27 facing the second control board, and the second trigger 271 is used for movably triggering the second trigger switch 911. The second control board, the second trigger switch, the second pedal, and the like are arranged in the same manner as the first control board, the first trigger switch, and the first pedal, and reference is made to the description of the above embodiments.

More specifically, the second trigger is disposed on a second contact post on the bottom surface of the second pedal, and in some embodiments, when the second control plate is disposed below the second fixing platform and the second split shaft, the second fixing platform is provided with a second avoiding hole adapted to the second contact post for the second trigger to pass through. In other embodiments, the second control panel is disposed above the second split shaft, the second fixing platform is disposed below the second split shaft and is fixedly connected to the second lower case, the second trigger element can directly pass through the second trigger hole of the second upper case to trigger the second trigger switch, and the second trigger switch can be a photoelectric switch, an infrared switch, or the like.

In other embodiments, the second trigger switch is disposed in the second mounting groove of the second upper housing and located below the second pedal, the second trigger switch is electrically connected to a second control board disposed in the second vehicle body through a second connecting line (not shown), a second wire passing groove is disposed in the second mounting groove or on a side edge of the second mounting groove for the second connecting line to pass through and be connected to the second control board, at this time, no matter the second control board is located above the second split axis or below the second split axis, the second trigger switch can be connected to the second trigger switch through the second connecting line, and the second trigger switch performs signal transmission with the second control board through the second connecting line.

In some embodiments, when the first vehicle body is provided with the first control board and the second vehicle body is provided with the second control board, the through shaft or the opposite positions of the first vehicle body and the second vehicle body are provided with the wire passing structure, and the connecting lead passes through the wire passing structure to connect the first control board and the second control board. One of the first control panel and the second control panel is a main control panel, the other is an auxiliary control panel, and the connecting lead penetrates through the wire passing structure to be connected with the first control panel and the second control panel, so that signal transmission between the main control panel and the auxiliary control panel is realized.

In some embodiments, as shown in fig. 21 and 30, the wire passing structure includes a first wire passing hole 37 and a second wire passing hole 371, the first wire passing hole 37 is located in the first vehicle body, and the second wire passing hole 371 is located in the second vehicle body. The connecting wire 372 connected with the first control board penetrates through the first wire passing hole 37 in the first vehicle body, then penetrates out of the second wire passing hole 371 in the second vehicle body, and is connected with the second control board to realize signal and power transmission.

The first wire passing hole and the second wire passing hole can be arranged on the through shaft and can also be arranged on the first vehicle body and the second vehicle body.

In some embodiments, the through-axle spans the first body and the second body and is adapted to be a carrier of the wire passing structure. More specifically, as shown in fig. 21, the first sub-shaft 31 and the second sub-shaft 32 are both hollow tube structures, and the rotating mechanism 39 in the first embodiment is adopted, the first wire passing hole 37 is disposed on the first sub-shaft 31, the second wire passing hole 371 is disposed on the second sub-shaft 32, the first sub-shaft 31 and the second sub-shaft 32 are hollow tubes, the first wire passing hole 37 is located in the first vehicle body, and the second wire passing hole 371 is located in the second vehicle body.

The first car body comprises a first upper shell and a second upper shell, the second car body comprises a first upper shell and a second upper shell, when the first sub-shaft is connected with the first upper shell, the second sub-shaft is fixedly connected with the second upper shell, the first wire passing hole is located in the lower portion of the first sub-shaft, and the second wire passing hole is formed in the lower portion of the second sub-shaft.

When first minute axle is connected with first inferior valve, during second minute axle and second inferior valve fixed connection, first cross the line hole and be located the upper portion of first minute axle, the second crosses the line hole and sets up on the upper portion of second minute axle, during the installation, can assemble into through axle with first minute axle and second minute axle earlier, lead to axle and first inferior valve and second inferior valve fixed connection, then will connect the wire and penetrate from first cross the line hole, cross the line hole from the second and wear out, will connect the both ends of wire and peg graft with first control panel and second control panel again.

In other embodiments, as shown in the fifteenth embodiment shown in fig. 30, the first wire passing hole 37 and the second wire passing hole 371 are provided on the first vehicle body 10 and the second vehicle body 20. More specifically, a first baffle 17 is disposed on an end portion of the first vehicle body facing the second vehicle body, the first wire passing hole 37 is disposed on the first baffle 17, a second baffle 28 is disposed on an end portion of the second vehicle body facing the first vehicle body, the second wire passing hole 371 is disposed on the second baffle 28, and the first wire passing hole 37 and the second wire passing hole 371 are concentrically disposed. At the moment, the first vehicle body and the second vehicle body can rotate relatively, two ends of the connecting lead are respectively positioned in the first vehicle body and the second vehicle body, when the first vehicle body and the second vehicle body rotate relatively, the first wire passing hole and the second wire passing hole can be staggered, the aperture of the first wire passing hole and the aperture of the second wire passing hole are larger than the diameter of the connecting lead, the connecting lead can move in the first wire passing hole and the second wire passing hole conveniently, and meanwhile, the passing area can still be used for the connecting lead to pass through and move when the dislocation area of the first wire passing hole and the second wire passing hole is the maximum by limiting the rotation angle of the first vehicle body and the second vehicle body. The relative rotation angle of the first vehicle body and the second vehicle body may be achieved by a stopper structure having a specific structure as described in the above embodiments, or other structures in the related art.

Since the first wire passing hole is formed in the first vehicle body and the second wire passing hole is formed in the second vehicle body, the first vehicle body and the second vehicle body need to rotate relatively, and a gap is formed between opposite ends of the first vehicle body and the second vehicle body in order to reduce friction between the first vehicle body and the second vehicle body, and therefore a gap is also formed between the first baffle and the second baffle. In order to avoid the phenomenon that the connecting lead is damaged in the using process of the balance car due to the fact that the exposed length of the connecting lead is too large, the distance between the first baffle and the second baffle is smaller than 1cm, preferably, the distance between the first baffle and the second baffle is 0.5cm, the relative rotation of the first car body and the second car body is not influenced, the distance between the first baffle and the second baffle is close enough, and the exposed part of the connecting lead is short enough.

The first vehicle body comprises a first upper shell and a first lower shell, the second vehicle body comprises a second upper shell and a second lower shell, in one embodiment, the first baffle is arranged on the first upper shell and is of an integral structure with the first upper shell, the second baffle is arranged on the second upper shell and is of an integral structure with the second upper shell, the first wire passing hole is arranged on the first upper shell, the first baffle can protrude towards the first lower shell, the avoiding groove is arranged at the corresponding position of the first lower shell, the first wire passing hole is arranged at the side edge of the through shaft, the second wire passing hole is arranged on the second upper shell, the second baffle can protrude towards the second lower shell, the avoiding groove is arranged at the corresponding position of the second lower shell, the second wire passing hole is arranged at the side edge of the through shaft, and at the moment, when the first vehicle body and the second vehicle body rotate relatively, the dislocation area of the first wire passing hole and the second wire passing hole is smaller. During the installation, can pass first line hole and second line hole of crossing with connecting wire earlier, will lead to the axle again and be connected fixedly with first epitheca and second epitheca, also can directly be connected fixedly with first inferior valve and second inferior valve with leading to the axle.

In another embodiment, the first baffle is arranged on the first lower shell and is integrated with the first lower shell, the first wire passing hole is arranged on the first lower shell, the first baffle can protrude towards the first upper shell, the corresponding position of the first lower shell is provided with an avoiding groove, so that the first wire passing hole is arranged at the side edge of the through shaft, the second baffle is arranged on the second lower shell and is integrated with the second lower shell, the second wire passing hole is arranged on the second lower shell, the second baffle can protrude towards the second upper shell, the corresponding position of the second lower shell is provided with an avoiding groove, so that the second wire passing hole is arranged at the side edge of the through shaft, and when the first vehicle body and the second vehicle body rotate relative to each other, the dislocation area of the first wire passing hole and the second wire passing hole is smaller. During the installation, can pass first line hole and second line hole of crossing with connecting wire earlier, will lead to the axle again and be connected fixedly with first inferior valve and second inferior valve, also can directly will lead to the axle and be connected fixedly with first epitheca and second epitheca.

In another embodiment, the first upper shell and the first lower shell are both provided with a first baffle plate, the first wire passing hole is divided into a first half hole and a second half hole, the first half hole is positioned on the first baffle plate of the first upper shell, the second half hole is positioned on the first baffle plate of the first lower shell, and after the first upper shell and the first lower shell are folded, the first half hole and the second half hole are folded to form the first wire passing hole; all be equipped with the second baffle on second epitheca and the second inferior valve, the line hole is crossed to the second divide into half third hole and half fourth hole, and half third hole is located the second baffle of second epitheca, and half fourth hole is located the second baffle of second inferior valve, closes up the back when second epitheca and second inferior valve, and half third hole and half fourth hole fold up into the second and cross the line hole. The split first wire passing hole and the split second wire passing hole are convenient for connecting and installing wires. Meanwhile, the first wire passing hole is located on the side edge of the through shaft, the second wire passing hole is located on the side edge of the through shaft, and when the first vehicle body and the second vehicle body rotate relatively, the dislocation area of the first wire passing hole and the second wire passing hole is small.

In other embodiments, as shown in fig. 10, 11, 22 and 23, the wire passing structure includes a wire passing sleeve 38, and the wire passing sleeve 38 is sleeved on the rotating mechanism 39 and is partially located in the first vehicle body and partially located in the second vehicle body. As shown in fig. 23, the wire guiding sleeve 38 includes a sleeve body 381 and a wire clip 382, the sleeve body 381 is used for being sleeved on the rotating mechanism, and a gap for a connecting wire to pass through is formed between the wire clip 382 and the sleeve body 381. The clearance communicates first automobile body and second automobile body, and connecting wire crosses first automobile body and second automobile body through the clearance, is connected with first control panel and second control panel. The wire clip is not only used for limiting the position of the connecting wire, but also can protect the connecting wire and avoid the connecting wire from being exposed outside the first vehicle body and the second vehicle body. As shown in fig. 10 and 11, the rotating mechanism is the rotating mechanism in the fifth embodiment, and the wire passing sleeve 38 is directly sleeved with the first split shaft 31 and the second split shaft 32; as shown in fig. 22, the rotating mechanism is the rotating mechanism in the first embodiment, and the wire passing sleeve 38 is sleeved on the rotating mechanism 39.

The wire clip can be made of plastic or silica gel and other materials, has the characteristics of wear resistance and deformability, and is tightly sleeved on the through shaft. As shown in fig. 23, the sheath 381 is a circular ring or arc structure and is adapted to the outer diameter of the circular tubular through shaft, and the wire clip 382 is disposed outside the sheath 381, is an arc structure and is adapted to the sheath; the wire clip 382 includes a fixed end 383 and a movable end 384 from which the connecting wires enter the gap, and the movable end allows the gap between the wire clip and the sleeve to be variable, which can accommodate more connecting wires. Preferably, the opposite ends of the first vehicle body and the second vehicle body are provided with wire clamping buckle placing grooves, the wire clamping buckle placing grooves are arc-shaped grooves and are used for accommodating the wire passing sleeves, and the size of the accommodating groove is larger than that of the wire passing sleeves so as to adapt to the wire clamping buckle which is enlarged after the wire passes through the connecting wire. Be equipped with first card line on first epitheca and the second epitheca and detain the slot of putting, be equipped with second card line on first inferior valve and the second inferior valve and detain the slot of putting, first card line is detained the slot of putting and the second card line is detained and is placed the complete circular cell body of slot formation for hold ring shape or curved line cover and the tubulose through-shaft of crossing.

As shown in fig. 22, since the rotating mechanism 39 is provided with the first limiting structure and the second limiting structure, the wire passing sleeve 38 is simultaneously sleeved on the rotating mechanism 39, and in order to prevent the wire passing sleeve 38 from interfering with the rotation of the first limiting column and the second limiting column, the wire passing sleeve 38 includes a gap 387 for exposing the first limiting structure and the second limiting structure.

More specifically, when the first limiting structure and the second limiting structure are arranged at the upper part of the connecting seat, the wire clamping buckle is positioned below the connecting seat, the notch of the wire passing sleeve is arranged upwards, and the first limiting structure and the second limiting structure are exposed in the notch; when first limit structure and second limit structure set up in the lower part of connecting seat, the card line is detained and is located the top of connecting seat, crosses the breach of line cover and sets up downwards, and first limit structure and second limit structure expose in the breach. When the first limiting groove and the second limiting groove are arranged on the first branch seat, the sleeve body of the wire passing sleeve is mainly contacted and fixed with the second branch seat, and the wire clamping buckle is arranged on one side of the second branch seat; when the first limiting groove and the second limiting groove are arranged on the second branch seat, the sleeve body of the wire passing sleeve is mainly contacted and fixed with the first branch seat, and the wire clamping buckle is arranged on one side of the first branch seat.

In order to prevent the connecting lead from falling out of the gap, the wire clamping buckle is positioned at the upper part or the lower part of the sleeve body, and the connecting lead is attached to the sleeve body or the wire clamping buckle under the action of gravity.

In order to prevent the wire passing sleeve from rotating relative to the rotating mechanism, as shown in fig. 22, two sides of the outer wall of the rotating mechanism 39 are respectively provided with a limiting block 385, the wire passing sleeve 38 is clamped between the two limiting blocks 385, two sides of the sleeve body 381 abut against one limiting block 385 respectively, and the sleeve body 381 is sleeved on the rotating mechanism 39 and then abutted against the limiting blocks 385, so that the rotating mechanism cannot rotate relative to the connecting base. The two ends of the sleeve body 381 are respectively provided with an extension block 386, the two ends of the limiting block 385 are respectively provided with an extension block 386, and the extension blocks 386 are of arc-shaped structures. The extending block 386 enables the contact angle between the sheath 381 and the connecting seat to be larger than 180 degrees, thereby ensuring that the sheath 381 is sleeved on the connecting seat more firmly. As shown in fig. 23, the gap 387 is the space between the four extension blocks 386.

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 syllogic logical axle balance car, includes first automobile body and second automobile body, its characterized in that: still include leading to the axle, lead to the axle including

a rotating mechanism connecting the first sub-shaft and the second sub-shaft, and being partially located in the first vehicle body and partially located in the second vehicle body; the first body and the second body rotate relative to each other at least in part.

2. The three-section through shaft balance car of claim 1, characterized in that: the rotating mechanism comprises a connecting seat, a first rotating piece and a second rotating piece, the first rotating piece is sleeved on the first sub-shaft, the second rotating piece is sleeved on the second sub-shaft, a first rotating groove and a second rotating groove are formed in the connecting seat, the first rotating piece is installed in the first rotating groove, and the second rotating piece is installed in the second rotating groove.

3. The three-section through shaft balance car of claim 2, characterized in that: the first rotating part is a bearing or a shaft sleeve, and the second rotating part is a bearing or a shaft sleeve.

4. The three-section through shaft balance car of claim 2, characterized in that: the connecting seat comprises a first sub seat and a second sub seat, and the first sub seat and the second sub seat are fixedly connected to form a complete first rotating groove and a complete second rotating groove.

5. The three-section through shaft balance car of claim 2, characterized in that: a first limiting structure is arranged between the first split shaft and the rotating mechanism and comprises a first limiting groove arranged on the connecting seat and a first limiting column arranged on the first split shaft, and the transverse size of the first limiting groove is larger than that of the first limiting column so that the first limiting column can circumferentially swing in the first limiting groove to limit the angle;

6. The three-section through shaft balance car of claim 1, characterized in that: the rotating mechanism comprises a connecting rod, a third rotating part and a fourth rotating part, the inner end of the first branch shaft is of a hollow structure, and the third rotating part is sleeved at the first end of the connecting rod and is positioned in the inner end of the first branch shaft; the inner end of the second sub-shaft is of a hollow structure, and the fourth rotating part is sleeved at the outer end of the connecting rod and located at the inner end of the second sub-shaft.

7. The three-section type through shaft balance car of claim 6, characterized in that: the third rotating part is a shaft sleeve or a lubricating layer, and the fourth rotating part is a shaft sleeve or a lubricating layer.

8. The three-section type through shaft balance car of claim 6, characterized in that: an annular boss is arranged in the middle of the connecting rod, and the outer edge of the third rotating part is positioned between the first sub-shaft and the end face of the annular boss; the outer edge of the fourth rotating part is positioned between the second sub-shaft and the end face of the annular boss.

9. The three-section type through shaft balance car of claim 6, characterized in that: a first limiting structure is arranged between the first split shaft and the rotating mechanism and comprises a first limiting groove arranged on the first split shaft and a first limiting column arranged at the first end of the connecting rod, and the transverse size of the first limiting groove is larger than that of the first limiting column so that the first limiting column can circumferentially swing in the first limiting groove for limiting the angle;

the second is divided epaxial with be equipped with second limit structure between the slewing mechanism, second limit structure is including setting up second spacing groove on the second divides epaxial and setting are in the spacing post of second on the outer end department of connecting rod, second spacing groove lateral dimension is greater than the size messenger of the spacing post of second the spacing post is at second spacing inslot circumferential swing restriction angle.

10. The three-section through shaft balance car of any one of claims 1 to 9, wherein: the cross section of the first split shaft is a non-circular section, a first clamping groove is formed in the first vehicle body, and the first split shaft is fixedly installed in the first clamping groove; the cross section of the second sub-shaft is a non-circular section, a second clamping groove is formed in the second vehicle body, and the second sub-shaft is fixedly installed in the second clamping groove; the first end of the first sub-shaft and the first end of the second sub-shaft are both provided with a circular shaft rotating part which is rotatably connected with the rotating mechanism.

11. The three-section through shaft balance car of any one of claims 1 to 9, wherein: the first car body is internally provided with a first connecting post, the first split shaft is provided with a first connecting hole, the first connecting hole is correspondingly arranged with the first connecting post, and the first connecting post is inserted into the first connecting hole to enable the first car body to be fixedly connected with the through shaft.

12. The three-section through shaft balance car of any one of claims 1 to 9, wherein: the second connecting column is arranged in the second vehicle body, a second connecting hole is formed in the second branch shaft, the second connecting hole corresponds to the second connecting column, and the second connecting column is inserted into the second connecting hole to enable the second vehicle body to be fixedly connected with the through shaft.

13. The three-section through shaft balance car of any one of claims 1 to 9, wherein: the first split shaft is provided with a first fixing frame, the first fixing frame is fixedly connected with the first split shaft or is of an integrated structure, and the first vehicle body is fixedly connected with the first fixing frame.

14. The three-section through shaft balance car of claim 13, characterized in that: the first vehicle body comprises a first upper shell and a first lower shell, and the first fixing frame is arranged at the upper end of the first split shaft and is fixedly connected with the first upper shell; or the first fixing frame is arranged at the lower end of the first split shaft and is fixedly connected with the first lower shell.

15. The three-section through shaft balance car of claim 13, characterized in that: at least one first fixing frame is close to the rotating mechanism.

16. The three-section through shaft balance car of claim 13, characterized in that: at least one of the first mounts is proximate an outer end of the first split shaft.

17. The three-section through shaft balance car of any one of claims 1 to 9, wherein: the second split shaft is provided with a second fixing frame, the second fixing frame is fixedly connected with the second split shaft or is of an integrated structure, and the second vehicle body is fixedly connected with the second fixing frame.

18. The three-section through shaft balance car of claim 17, characterized in that: the second vehicle body comprises a second upper shell and a second lower shell, and the second fixing frame is arranged at the upper end of the second split shaft and is fixedly connected with the second upper shell; or the second fixing frame is arranged at the lower end of the second sub-shaft and is fixedly connected with the second lower shell.

19. The three-section through shaft balance car of claim 17, characterized in that: and at least one second fixing frame is close to the sleeve joint of the second split shaft and the second split shaft.

20. The three-section through shaft balance car of claim 17, characterized in that: at least one of the second mounts is proximate an outer end of the second split shaft.

21. The three-section through shaft balance car of any one of claims 1 to 9, wherein: the first split shaft is provided with a first mounting plate, the first mounting plate is fixedly sleeved on the first split shaft or is in an integrated structure with the first split shaft, and the first vehicle body is fixedly connected with the first mounting plate.

22. The three-section through shaft balance car of claim 21, wherein: the first vehicle body comprises a first upper shell and a first lower shell, the second vehicle body comprises a second upper shell and a second lower shell, a first mounting column is arranged on the first upper shell or the second lower shell, and the first mounting plate is fixedly connected with the first mounting column; the at least two first mounting columns are arranged at positions close to the outer ends of the first vehicle bodies, and the at least two first mounting columns are arranged at positions close to the inner ends of the first vehicle bodies.

23. The three-section through shaft balance car of claim 21, wherein: the first mounting plate is provided with a first avoidance port.

24. The three-section through shaft balance car of any one of claims 1 to 9, wherein: the second split shaft is provided with a second mounting plate, the second mounting plate is fixedly sleeved on the second split shaft or is in an integrated structure with the second split shaft, and the second vehicle body is fixedly connected with the second mounting plate.

25. The three-section through shaft balance car of claim 24, wherein: the second vehicle body comprises a second upper shell and a second lower shell, a second mounting column is arranged on the second upper shell or the second lower shell, and the second mounting plate is fixedly connected with the second mounting column; the at least two second mounting columns are arranged at positions close to the outer end of the second vehicle body, and the at least two second mounting columns are arranged at positions close to the inner end of the second vehicle body.

26. The three-section through shaft balance car of claim 24, wherein: and a second avoidance port is arranged on the second mounting plate.

27. The three-section through shaft balance car of claim 1, characterized in that: still include first wheel, first wheel includes first axletree, the outer end department of first minute axle is equipped with first connecting portion, first axletree with first connecting portion pass through first fastener fixed connection, form first junction.

28. The three-section through shaft balance car of claim 27, wherein: the first fastener passes through the first connecting position and is fixedly connected with the first vehicle body; the first vehicle body is provided with a first vehicle bearing connecting seat, the first connecting part is installed in the first vehicle bearing connecting seat, and the first fastener is fixedly connected with the first vehicle bearing connecting seat.

29. The three-section through shaft balance car of claim 28, wherein: the first vehicle body comprises a first upper shell and a first lower shell, the first vehicle bearing seat is arranged on the first upper shell or the first lower shell, and the first fastener is fixedly connected with the first upper shell or the first lower shell.

30. The three-section through shaft balance car of claim 27, wherein: the first connecting portion is of a hollow structure at the outer end of the first sub-shaft, the outer diameter of the first axle is matched with the inner diameter of the outer end of the first sub-shaft, a first fastening hole is formed in the first axle, a second fastening hole is formed in the first sub-shaft, and the first fastening piece is matched with the first fastening hole and the second fastening hole.

31. The three-section through shaft balance car of claim 27, wherein: the first connecting part comprises a first matching sleeve, the first matching sleeve is of a hollow structure and comprises a first accommodating part matched with the outer diameter of the first axle, the first matching sleeve further comprises a first connecting sleeve connected with the first branch shaft and a first fastening part connected with the first axle, and the first fastening part is arranged on the first connecting sleeve; the first matching sleeve is fixedly connected with the outer end of the first split shaft in an integrated structure or a split type.

32. The three-section through shaft balance car of claim 1, characterized in that: the first wheel comprises a first axle, the first axle is fixedly connected with the first vehicle body, and a gap is formed between the first axle and the outer end of the first split shaft; a first vehicle bearing connecting seat is arranged in the first vehicle body, and the first vehicle shaft is fixedly connected with the first vehicle bearing connecting seat; a gasket is arranged between the first axle and the first axle bearing connecting seat, and a first fastener penetrates through the first axle and is fixedly connected with the first axle bearing connecting seat.

33. The three-section through shaft balance car of claim 1, characterized in that: still include the second wheel, the second wheel includes the second axletree, the outer end department that the second is divided the axle is equipped with the second connecting portion, the second axletree with the second connecting portion pass through second fastener fixed connection, form the second junction.

34. The three-section through axle balance car of claim 33, wherein: the second fastener passes through the second connection position and is fixedly connected with the second vehicle body; the second car body is provided with a second car bearing connecting seat, the second connecting part is arranged in the second car bearing connecting seat, and the second fastener is fixedly connected with the second car bearing connecting seat.

35. The three-section through axle balance car of claim 34, characterized in that: the second car body comprises a second upper shell and a second lower shell, the second car bearing adapter is arranged on the second upper shell or the second lower shell, and the second fastener is fixedly connected with the second upper shell or the second lower shell.

36. The three-section through axle balance car of claim 33, wherein: the second connecting part is of a hollow structure at the outer end of the second sub-shaft, the outer diameter of the second axle is matched with the inner diameter at the outer end of the second sub-shaft, a fourth fastening hole is formed in the second axle, a fifth fastening hole is formed in the second sub-shaft, and the second fastening piece is matched with the fourth fastening hole and the fifth fastening hole.

37. The three-section through axle balance car of claim 33, wherein: the second connecting part comprises a second matching sleeve, the second matching sleeve is of a hollow structure and comprises a second accommodating part matched with the outer diameter of the second axle, the second matching sleeve further comprises a second connecting sleeve connected with the second branch shaft and a second fastening part connected with the second axle, and the second fastening part is arranged on the second connecting sleeve; the second matching sleeve is fixedly connected with the outer end of the second split shaft in an integrated structure or a split type.

38. The three-section through shaft balance car of claim 1, characterized in that: the second wheel comprises a second axle, the second axle is fixedly connected with the second vehicle body, and a gap is formed between the second axle and the outer end of the second sub-axle; a second vehicle bearing connection seat is arranged in the second vehicle body, and the second vehicle shaft is fixedly connected with the second vehicle bearing connection seat; a gasket is arranged between the second axle and the second axle bearing seat, and a second fastener penetrates through the second axle and is fixedly connected with the second axle bearing seat.

39. The three-section through shaft balance car of claim 1, characterized in that: a control panel and a control panel mounting structure are arranged in the first vehicle body and/or the second vehicle body.

40. The three-section through shaft balance car of claim 39, wherein: control panel mounting structure includes the control grillage, the control grillage includes through-shaft installation department and control panel fixed part, through-shaft installation department includes the through-hole, the control grillage passes through the through-hole cover is established on the through-shaft and pass through the control panel fixed part with the control panel is connected.

41. The three-section through shaft balance car of claim 40, characterized in that: when the first vehicle body is internally provided with a first control panel and a first control panel frame, the first control panel frame comprises a first fixing platform, and the first fixing platform is in contact with or clamped with or welded with or pressed on or fixedly connected with a first upper shell or a first lower shell through screws; when being equipped with second control panel and second control grillage in the second car body, the second control grillage includes the fixed platform of second, shell face contact or joint or welding or crimping or screw fixation under second fixed platform and the second epitheca or the second.

42. The three-section through shaft balance car of claim 41, characterized in that: the first control board frame comprises a plurality of first control board connecting columns, the first control board connecting columns and the first fixing platform are integrally arranged, when the first fixing platform is connected with the first upper shell, the first control boards are arranged below the through shafts, the first control board connecting columns extend downwards, are positioned on two sides of the first sub shafts and are fixedly connected with the first control boards; when the first fixed platform is connected with the first lower shell, the first control board is arranged above the first split shaft, and the first control board connecting column extends upwards, is positioned on two sides of the first split shaft and is fixedly connected with the first control board;

43. The three-section through shaft balance car of claim 41, characterized in that: the first control board is provided with a first trigger switch, the first vehicle body comprises a first pedal, the first pedal is movably connected with the first vehicle body, one surface of the first pedal, facing the first control board, is provided with a first trigger part, and the first trigger part is used for movably triggering the first trigger switch; the first trigger piece is arranged on a first contact column on the bottom surface of the first pedal, and when the first control plate is arranged below the first fixing platform and the first split shaft, a first avoidance hole is formed in the first fixing platform, is matched with the first contact column and is used for the first trigger piece to pass through;

and/or

Be equipped with second trigger switch on the second control panel, the second car body includes the second footboard, and the second footboard is relative second car body swing joint, the second footboard orientation the one side of second control panel is equipped with the second and triggers the piece, the second triggers the piece and is used for the activity to trigger the second trigger switch, the second triggers the piece setting and is in on the second contact post of second footboard bottom surface, work as the second control panel is arranged in the second fixed platform with during the below of second minute axle, be equipped with the second on the second fixed platform and dodge the hole, with second contact post looks adaptation supplies the second triggers the piece and passes.

44. The three-section through shaft balance car of claim 39, wherein: the control panel mounting structure comprises a control panel mounting column, when a first control panel is arranged in the first vehicle body, a first control panel mounting column is arranged on the first upper shell or the first lower shell, and the first control panel is fixedly connected with the first control panel mounting column; when being equipped with the second control panel in the second car body, be equipped with the second control panel erection column on second epitheca or the second inferior valve, the second control panel with second control panel erection column fixed connection.

45. The three-section through shaft balance car of claim 39, wherein: the first vehicle body comprises a first upper shell, a first pedal and a first trigger switch, the first pedal is movably connected with the first upper shell, the first trigger switch is arranged in a first mounting groove of the first upper shell and is positioned below the first pedal, the first trigger switch is electrically connected with a first control board arranged in the first vehicle body through a first connecting wire, and a first wire passing hole is formed in the first mounting groove or in the side edge of the first mounting groove and is used for the first connecting wire to pass through and be connected with the first control board;

and/or the presence of a gas in the gas,

the second car body includes second epitheca, second footboard and second trigger switch, the second footboard with second epitheca swing joint, second trigger switch sets up in the second mounting groove of second epitheca, and be located the below of second footboard, second trigger switch pass through the second connecting wire and arrange in second control panel electricity in the second car body is connected, in the second mounting groove or the side be equipped with the second and cross the line hole, supply the second connecting wire pass with the second control panel is connected.

46. The three-section through shaft balance car of claim 39, wherein: when the first vehicle body is internally provided with a first control panel and the second vehicle body is internally provided with a second control panel, a wire passing structure is arranged on the through shaft or at the opposite position of the first vehicle body and the second vehicle body, and the connecting wire passes through the wire passing structure to be connected with the first control panel and the second control panel.

47. The three-section through shaft balance car of claim 46, wherein: the wire passing structure comprises a first wire passing hole and a second wire passing hole, the first wire passing hole is positioned in the first vehicle body, and the second wire passing hole is positioned in the second vehicle body;

the first split shaft and the second split shaft are hollow tube structures, the first wire passing hole is formed in the first split shaft, and the second wire passing hole is formed in the second split shaft; or, the first vehicle body faces the end part of the second vehicle body, a first baffle is arranged on the first baffle, the first wire passing hole is formed in the first baffle, the second vehicle body faces the end part of the first vehicle body, a second baffle is arranged on the second vehicle body, the second wire passing hole is formed in the second baffle, and the first wire passing hole and the second wire passing hole are concentrically arranged.

48. The three-section through shaft balance car of claim 46, wherein: the wire passing structure comprises a wire passing sleeve, the wire passing sleeve is sleeved on the rotating mechanism and is partially positioned in the first vehicle body and partially positioned in the second vehicle body; the wire passing sleeve comprises a sleeve body and a wire clamping buckle, the sleeve body is sleeved on the rotating mechanism, and a gap for the connecting wire to pass through is formed between the wire clamping buckle and the sleeve body; the sleeve body is of a circular ring or arc structure, and the wire clamping buckle is of an arc structure and is matched with the sleeve body; the wire clamping buckle comprises a fixed end and a movable end, and the connecting wire enters the gap from the movable end; the wire clamping buckle is positioned at the upper part or the lower part of the sleeve body; the side wall of the rotating mechanism is provided with two symmetrical limiting blocks, and the wire passing sleeve is clamped between the two limiting blocks.

49. The three-section through shaft balance car of claim 1, characterized in that: a battery assembly is arranged in the first vehicle body or the second vehicle body and fixedly connected with the first vehicle body or the second vehicle body or the through shaft; a battery pack mounting column is arranged on the first upper shell or the first lower shell of the first vehicle body, and the battery pack is fixedly connected with the battery pack mounting column; or a battery assembly mounting column is arranged on a second upper shell or a second lower shell of the second vehicle body, and the battery assembly is fixedly connected with the battery assembly mounting column; or at least one battery pack fixing frame is arranged on the through shaft, and the battery pack fixing frame is fixedly connected or integrated with the through shaft; the battery pack is fixedly connected with the two ends of the battery pack fixing frame.

50. The three-section through shaft balance car of claim 49, wherein: the battery pack fixing structure is characterized in that a fixing seat is arranged on the outer wall of the battery pack, a connecting groove is formed in the fixing seat, and the connecting groove corresponds to the battery pack mounting column or the battery pack fixing frame.

51. The three-section through shaft balance car of claim 50, wherein: when the battery component is fixedly connected with the first split shaft or the second split shaft, the battery component fixing frame is positioned at the lower part of the first split shaft or the second split shaft, the height of the fixing seat is lower than the axial height of the first split shaft or the second split shaft,

alternatively, the first and second electrodes may be,