CN215553817U - Two-wheeled balance car with three-section through shaft - Google Patents

Abstract

The utility model discloses a two-wheeled balance car with a three-section through shaft, which comprises a first car body, a second car body, a first wheel, a second wheel and a through shaft, wherein the through shaft comprises a first sub shaft which is transversely arranged in the first car body and fixedly connected with the first car body; the second sub-shaft is transversely arranged in the second vehicle body and fixedly connected with the second vehicle body; and the rotating mechanism is connected with the first split shaft and the second split shaft, and is partially positioned in the first vehicle body and partially positioned in the second vehicle body. The balance vehicle has the advantages that the through shaft enhances the overall structural strength of the balance vehicle and improves the connection strength of the first vehicle body and the second vehicle body; simultaneously with first wheel and first minute axle fixed connection, second wheel and second minute axle fixed connection, can transmit the gravity that the automobile body bore to ground through first minute axle and second minute axle, improve balance car's bearing capacity. First automobile body and second automobile body are all rotatable, and the user of convenient different use habits operates the balance car, and the user uses and experiences better.

Description

Two-wheeled balance car with three-section through shaft

Technical Field

The utility model relates to the technical field of balance cars, in particular to a two-wheeled balance car with a three-section through shaft.

Background

At present, a swing car in the balance car, its slewing mechanism through the centre rotates, 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, splayed phenomenon in the balance car can take place seriously influences the operation and the security of balance car.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model aims to provide the two-wheeled balance vehicle with the three-section type through shaft, the structural strength is high, the first vehicle body and the second vehicle body can be operated, and convenience is brought to users.

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

take two-wheeled balance car of syllogic logical axle, including first automobile body, second automobile body, first wheel and second wheel, still including leading to the axle, lead to the axle including leading to

The first split shaft is transversely arranged in the first vehicle body and is fixedly connected with the first vehicle body;

the second split shaft is transversely arranged in the second vehicle body and fixedly connected with the second vehicle body;

a rotating mechanism connecting the first split shaft and the second split shaft and spanning the first vehicle body and the second vehicle body,

the first end of the first sub-shaft is rotatably connected with the rotating mechanism, the second end of the first sub-shaft is fixedly connected with the first wheel, the first end of the second sub-shaft is rotatably connected with the rotating mechanism, and the second end of the second sub-shaft is fixedly connected with the second wheel; a first limiting mechanism is arranged between the first sub-shaft and the rotating mechanism, and a second limiting mechanism is arranged between the second sub-shaft and the rotating mechanism.

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

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 bearing groove and a complete second bearing groove.

Preferably, the first limiting mechanism comprises a first limiting groove arranged on the rotating mechanism 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;

the second limiting mechanism comprises a second limiting groove arranged on the rotating mechanism and a second limiting column 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 first axle of the first wheel is connected with the first end of the first split shaft through a first fastener; and a second axle of the second wheel is connected with the first end of the second split shaft through a second fastener.

Preferably, the first fastener passes through a first connection formed by the first axle and the first split shaft and is fixedly connected with the first vehicle body; the second fastener passes through a second joint formed by the second axle and the second split shaft and is fixedly connected with the second vehicle body.

Preferably, a first bearing seat is arranged in the first vehicle body, the first connection part is mounted in the first bearing seat, and the first fastening member is fixedly connected with the first bearing seat; 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;

be equipped with second car bearing adapter in the second automobile body, the second junction is installed in the second car bearing adapter, the second fastener with second car bearing adapter fixed connection, the second automobile body includes second epitheca and second inferior valve, the second car bearing adapter sets up the second epitheca or on the second inferior valve, the second fastener with the second epitheca or second inferior valve fixed connection.

Preferably, a first connecting column is arranged in the first vehicle body, the first connecting column is arranged at one end of the first vehicle body close to the second vehicle body, a first connecting hole is arranged on the first spindle, the first connecting hole is arranged corresponding to the first connecting column, and the first connecting column is inserted into the first connecting hole to fixedly connect the first vehicle body with the through shaft; the automobile body is characterized in that a second connecting column is arranged in the second automobile body, the second connecting column is arranged at one end, close to the first automobile body, of the second automobile body, a second connecting hole is formed in the second branch shaft, and the second connecting hole corresponds to the second connecting column.

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, at least one first fixing frame is close to the rotating mechanism, the first vehicle body is fixedly connected with the first fixing frame, and the first fixing frame is arranged at the upper end of the first sub-shaft and is fixedly connected with a first upper shell of the first vehicle body;

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, at least one second fixing frame is close to the rotating mechanism, the second vehicle body is fixedly connected with the second fixing frame, and the second fixing frame is arranged at the upper end of the second split shaft and is fixedly connected with a second upper shell of the second vehicle body.

Preferably, a first control plate and a first control plate frame are arranged in the first vehicle body, the first control plate frame comprises a first through shaft mounting portion and a first control plate fixing portion, the first through shaft mounting portion comprises a first through hole and a first positioning hole, the first control plate frame is sleeved on the first sub shaft through the first through hole and is fixed through the first positioning hole, and the first control plate frame is located on one side, close to the first vehicle shaft, of the first fixing frame; the first vehicle body is internally provided with a battery assembly and a battery assembly fixing frame, the battery assembly fixing frame is fixedly connected with the first sub-shaft or is of an integrated structure, when the number of the first fixing frames is two, one of the first fixing frames is closer to the first vehicle shaft, and the battery assembly fixing frame is positioned between the two first fixing frames;

the internal second control panel and the second control grillage of being equipped with of second car, the second control grillage includes second through-shaft installation department and second control panel fixed part, second through-shaft installation department includes second through-hole and second locating hole, the second control grillage passes through the second through-hole cover is established on the second minute axle and pass through the second locating hole is fixed, the second control grillage is located the second mount is close to one side of second axletree.

Compared with the prior art, the utility model 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; simultaneously with first wheel and first minute axle fixed connection, second wheel and second minute axle fixed connection, can transmit the gravity that the automobile body bore to ground through first minute axle and second minute axle, improve balance car's bearing capacity. Because first automobile body and first minute axle fixed connection, second automobile body and second minute axle fixed connection, first minute axle and second minute axle pass through slewing mechanism and rotate relatively, consequently, first automobile body and second automobile body are all rotatable, make things convenient for the user of different use habits to operate the balance car, and the user uses and experiences better.

Drawings

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

FIG. 2 is a schematic illustration of an exploded view of another angle of a balance car according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a balance car according to an embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of another angle of a balance car according to an embodiment of the present invention;

FIG. 5 is an exploded view of a balance car according to an embodiment of the present invention;

fig. 6 is an exploded view of another angle of the balance car according to the embodiment of the present invention.

In the figure: 10. a first vehicle body; 11. a first upper case; 12. a first lower case; 13. a first vehicle bearing mount; 14. a first connecting column; 15. a first control board; 16. a battery assembly; 161. a mounting seat; 162. connecting grooves; 163. a through groove; 17. mounting a column; 20. a second vehicle body; 21. a second upper case; 22. a second lower case; 23. a second vehicle bearing mount; 24. a second connecting column; 25. a second control board; 30. passing through the shaft; 31. a first split shaft; 32. a second split shaft; 33. a rotating mechanism; 331. a connecting seat; 332. a first sub-base; 333. a second sub-base; 334. a first bearing; 335. a second bearing; 336. a first bearing groove; 337. a second bearing groove; 341. a first limit groove; 342. a first limit post; 351. a second limit groove; 352. a second limit post; 36. a first connection hole; 361. a second connection hole; 37. a first fixing frame; 371. a second fixing frame; 40. a first wheel; 41. a first axle; 42. a first fastener; 50. a second wheel; 51. a second axle; 52. a second fastener; 60. a first control panel frame; 61. a first through hole; 62. a first positioning hole; 63. a first fixed platform; 64. a first positioning post; 65. a first avoidance slot; 70. a second control panel frame; 71. a second through hole; 72. a second positioning hole; 73. a second stationary platform; 74. a second positioning column; 75. a second avoidance slot; 80. a battery pack holder; 81. a connecting member; 82. a first mounting hole.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, wherein the description of the utility model is given by way of illustration and not of limitation, and certain specific embodiments of the utility model are described, but the utility model 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 shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated without limiting the specific scope of protection of the present invention.

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

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

As shown in fig. 1 to 6, the two-wheeled balance vehicle with a three-section through axle according to the embodiment of the present invention includes a first vehicle body 10, a second vehicle body 20, a first wheel 40, a second wheel 50, and a through axle 30, wherein the through axle 30 includes

A first sub-axle 31, the first sub-axle 31 is transversely arranged in the first vehicle body 10 and is fixedly connected with the first vehicle body 10;

a second sub-axle 32, the second sub-axle 32 being disposed transversely within the second vehicle body 20 and fixedly connected to the second vehicle body 20;

a turning mechanism 33 connecting the first axle shaft 31 and the second axle shaft 32 and crossing the first vehicle body 10 and the second vehicle body 20, wherein,

the first end of the first sub-shaft 31 is rotatably connected with the rotating mechanism 33, the second end is fixedly connected with the first wheel 40, the first end of the second sub-shaft 32 is rotatably connected with the rotating mechanism 33, and the second end is fixedly connected with the second wheel 50; a first limiting mechanism is arranged between the first sub-shaft 31 and the rotating mechanism 33, and a second limiting mechanism is arranged between the second sub-shaft 32 and the rotating mechanism 33.

The first vehicle body 10 and the second vehicle body 20 in the present invention are independent of each other and rotate relatively, at this time, the first vehicle body 10 can be a left vehicle body of the balance vehicle, and correspondingly, the second vehicle body 20 is a right vehicle body of the balance vehicle; the first body 10 may be a right body of the balance car, and correspondingly, the second body 20 may be a left body of the balance car. The first end of the first branch pipe is located at the outer end of the first vehicle body 10, and may be located inside the first vehicle body 10, or the end surface of the first branch pipe may penetrate through the first vehicle body 10, or the end surface of the first branch pipe may be flush with the outer end of the first vehicle body 10; the first end of the second branch tube is located at the outer end of the second body 20, and may be located inside the second body 20, may be end-faced to pass through the second body 20, or may be end-faced flush with the outer end of the second body 20.

The two-wheeled balance vehicle of the present invention is provided with the through shaft 30 in the first vehicle body 10 and the second vehicle body 20 for enhancing the structural strength of the first vehicle body 10 and the second vehicle body 20, thereby enhancing the overall structural strength of the balance vehicle; the through shaft 30 serves as a framework between the first vehicle body 10 and the second vehicle body 20, and the through shaft 30 improves the connection strength between the first vehicle body 10 and the second vehicle body 20, so that the first vehicle body 10 and the second vehicle body 20 are less prone to breaking, and the balance car can bear heavier weight.

According to the utility model, the through shaft 30 is divided into the first sub-shaft 31 and the second sub-shaft 32, the first sub-shaft 31 and the second sub-shaft 32 rotate relatively through the rotating mechanism 33, at the moment, the first vehicle body 10 is fixedly connected with the first sub-shaft 31, and the second vehicle body 20 is fixedly connected with the second sub-shaft 32, so that the first vehicle body 10 and the second vehicle body 20 can rotate relatively, the running of the balance vehicle is controlled through electronic elements in the first vehicle body 10 and the second vehicle body 20, users with different use habits can operate the balance vehicle conveniently, and the user experience is better. Meanwhile, a first limiting mechanism is arranged between the first sub-shaft 31 and the rotating mechanism 33 and used for limiting the rotating angle of the first sub-shaft 31 and avoiding the situation that the balance car is out of control due to the fact that the first car body 10 rotates by too large angle, and a second limiting mechanism is arranged between the second sub-shaft 32 and the rotating mechanism 33 and used for limiting the rotating angle of the second sub-shaft 32 and avoiding the situation that the balance car is out of control due to the fact that the second car body 20 rotates by too large angle.

Meanwhile, the first axle 41 of the first wheel 40 is fixedly connected with the first body 10 and the first sub-axle 31 at the same time, so that the gravity borne on the first body 10 is directly transmitted to the first wheel 40 and the ground or transmitted to the ground through the first sub-axle 31, the second axle 51 of the second wheel 50 is fixedly connected with the second body 20 and the second sub-axle 32 at the same time, and the gravity borne on the second body 20 is directly transmitted to the second wheel 50 and the ground or transmitted to the ground through the second sub-axle 32, so that the balance car runs more stably.

The first wheel 40 and the second wheel 50 are hub motor wheels, and are provided with hub motors, the first branch shaft 31, the second branch shaft 32, the first body 10 and the second body 20 do not need to be provided with reset structures, the first body 10 and the second body 20 are reset by means of the rotating force of the hub motors, the structures on the first body 10, the second body 20 and the through shaft 30 are simplified, and a larger installation space is formed in the first body 10 and the second body 20 and used for installing components such as the first control board 15, the second control board 25 and the battery assembly 16.

In order to ensure smooth rotation of the first split shaft 31 and the second split shaft 32, the rotating mechanism 33 includes a connecting seat 331, a first bearing 334 and a second bearing 335, the first bearing 334 is sleeved on the first split shaft 31, the second bearing 335 is sleeved on the second split shaft 32, the connecting seat 331 is provided with a first bearing groove 336 and a second bearing groove 337, the first bearing 334 is installed in the first bearing groove 336, and the second bearing 335 is installed in the second bearing groove 337. The first bearing 334 and the second bearing 335 have the same size, so that the first sub-shaft 31 and the second sub-shaft 32 can rotate concentrically, and the balance car is prevented from bumping in the operation process. The first bearing 334 is fixedly connected with the first sub-shaft 31 and the outer end can rotate relative to the first sub-shaft 31, and the second bearing 335 is fixedly connected with the second sub-shaft 32 and the outer end can rotate relative to the second sub-shaft 32.

Preferably, as shown in fig. 5 and 6, the connecting seat includes a first sub-seat 332 and a second sub-seat 333, and the first sub-seat 332 and the second sub-seat 333 are fixedly connected to form a complete first bearing groove 336 and a complete second bearing groove 337. The connecting base of the split structure facilitates the assembly of the rotating mechanism with the first split shaft 31 and the second split shaft 32.

As shown in fig. 2 and 5, the first limiting mechanism of the rotating mechanism includes a first limiting groove 341 disposed on the connecting seat 331 and a first limiting column 342 disposed on the first spindle 31, and the transverse dimension of the first limiting groove 341 is greater than the dimension of the first limiting column 342, so that the first limiting column 342 can circumferentially swing in the first limiting groove 341 to limit the angle. First spacing groove 341 is the circular arc type, and first spacing groove 341 has restricted the axial displacement of first spacing post 342, and first spacing post 342 can follow automobile body direction of rotation swing certain angle in first spacing groove 341 simultaneously, prevents that first automobile body 10 from rotating too big angle relative slewing mechanism 33, leads to the balance car out of control. Preferably, the first limit column 342 is a screw, the head of the screw is greater than the width of the first limit groove 341, the middle section is disposed in the first limit groove 341, and the end is fixedly connected with the first shaft 31, the above structure can avoid the separation of the first limit column 342 from the first limit groove 341, and ensure that when the first shaft 31 rotates, the first limit column 342 rotates in the first limit groove 341 until the side walls of the two ends of the first limit groove 341 touch and stop rotating, and the first shaft 31 stops rotating at the same time.

As shown in fig. 2 and 5, the second limiting mechanism on the rotating mechanism includes a second limiting groove 351 disposed on the rotating mechanism and a second limiting post 352 disposed on the second split shaft 32, and the transverse dimension of the second limiting groove 351 is larger than the dimension of the second limiting post 352, so that the second limiting post 352 can circumferentially swing in the second limiting groove 351 to limit the angle. The second limiting groove 351 is arc-shaped, the second limiting groove 351 limits the axial movement of the second limiting column 352, and meanwhile, the second limiting column 352 can swing for a certain angle in the second limiting groove 351 along the rotation direction of the vehicle body, so that the second vehicle body 20 is prevented from rotating for a large angle relative to the rotating mechanism 33, and the balance vehicle is prevented from being out of control. Preferably, the second spacing post 352 is a screw, the head of the screw is greater than the width of the second spacing groove 351, the middle section is arranged in the second spacing groove 351, the tail end is fixedly connected with the second split shaft 32, the structure can avoid the separation of the second spacing post 352 and the second spacing groove 351, and when the second split shaft 32 rotates, the second spacing post 352 rotates in the second spacing groove 351 until the side walls of the two ends of the second spacing groove 351 touch and stop rotating, and the second split shaft 32 stops rotating at the same time.

In order to fixedly connect the first axle 41 with the first sub-axle 31, the second axle 51 is fixedly connected with the second sub-axle 32, and the first axle 41 of the first wheel 40 is connected with the first end of the first sub-axle 31 through the first fastening member 42; a second axle 51 of the second wheel 50 is connected to a first end of the second sub-axle 32 by a second fastener 52.

Preferably, as shown in fig. 2, the first axle 41 can be fixedly connected to the first body 10, so that the first axle 41, the first sub-axle 31 and the first body 10 are connected to each other more firmly and more interlockingly by the first fastening member 42. More specifically, the first axle 41 is fixedly connected to the first end of the first sub-axle 31 to form a first connection point, the first fastening member 42 penetrates through the first connection point to fixedly connect the first axle 41 and the first end of the first sub-axle 31, and the first fastening member 42 is fixedly connected to the first vehicle body 10, preferably, the first vehicle body 10 is provided with a first bearing seat 13 therein, the first connection point is installed in the first bearing seat 13, the shape of the first bearing seat 13 is adapted to the shape of the first connection point, in some cases, the shape of the first bearing seat 13 is adapted to the outer diameter of the first end of the first sub-axle 31, and the first bearing seat 13 is used for improving the installation stability of the first connection point, so as to improve the connection stability of the first axle 41 and the first end of the first sub-axle 31 to the first vehicle body 10 and enhance the bearing capacity of the first vehicle body 10. The first fastening member 42 is fixedly connected to the first bearing seat 13, preferably, the first fastening member 42 is a screw, and the first fastening member 42 is threadedly connected to the first bearing seat 13.

Preferably, the number of the first fastening members 42 is greater than 1, and as shown in fig. 2, the number of the first fastening members 42 is 2, so that the first fastening members 42 are more firmly connected to the first connection portion and the first vehicle body 10. 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.

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 13 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 time, the first axle 41 of the first wheel 40 and the first end of the first sub-axle 31 are both fixedly connected to the first upper case 11, and the first upper case 11 is a member directly stepped on, so that the force acting on the first upper case 11 can be directly transmitted to the first sub-axle 31 and the first wheel 40 by the above connection, and the bearing capacity of the first upper case 11 can be further improved. When the vehicle bearing seat is installed, the first fastening piece 42 is inserted into the first connection position from bottom to top, and the tail end of the first fastening piece is fixedly connected with the first vehicle bearing seat 13 through threads.

In other embodiments, the first vehicle body 10 includes a first upper shell 11 and a first lower shell 12, and the first bearing adapter 13 is disposed on the first lower shell 12, and more specifically, on an upper surface of a side of the first lower shell 12 close to the first wheel 40. At this time, the first axle 41 of the first wheel 40 and the first end of the first sub-axle 31 are both fixedly connected to the first lower housing 12, and under the action of gravity and the first fastening member 42, the first axle 41 and the first sub-axle 31 can be more stably mounted in the first axle bearing seat 13 during use, and the mechanical strength of the first upper housing 11 can be prevented from being damaged due to too many parts mounted on the first upper housing 11.

Preferably, as shown in fig. 2, the second axle 51 can be fixedly connected to the second vehicle body, so that the second axle 51, the second sub-axle 32 and the second vehicle body can be connected to each other more firmly and more interlockingly by the second fastener 52. The second axle 51 is fixedly connected with the first end of the second sub-axle 32 to form a second connection, the second fastening member 52 passes through the second connection to fixedly connect the second axle 51 with the first end of the second sub-axle 32 and fixedly connect the second fastening member 52 with the second vehicle body, preferably, the second vehicle body is provided with a second axle bearing seat 23, the second connection is installed in the second axle bearing seat 23, the shape of the second axle bearing seat 23 is matched with the shape of the second connection, in some cases, the shape of the second axle bearing seat 23 is matched with the outer diameter of the first end of the second sub-axle 32, in other cases, the shape of the second axle bearing seat 23 is matched with the outer diameter of the second matching body, the second axle bearing seat 23 is used for improving the installation stability of the second connection, thereby improving the connection stability of the first ends of the second axle 51 and the second sub-axle 32 with the second vehicle body, the bearing capacity of the second vehicle body is enhanced. The second fastener 52 is fixedly coupled to the second vehicle bearing receptacle 23, and preferably, the second fastener 52 is a screw, and the second fastener 52 is inserted into the second vehicle bearing receptacle 23 and threadedly coupled to a threaded bore in the second vehicle bearing receptacle.

Preferably, the number of the second fastening members 52 is greater than 1, and as shown in fig. 2, the number of the second fastening members 52 is 2, so that the second fastening members 52 are more firmly connected with the second connection portion and the second vehicle body. 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 second embodiment shown in fig. 2 and 3, the second vehicle body 20 includes a second upper shell 21 and a second lower shell 22, and the second bearing receptacle 23 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 second axle 51 of the second wheel 50 and the first end of the second sub-axle 32 are both 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 above 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 end is fixedly threaded to the second bearing receptacle 23.

In other embodiments, the second vehicle body 20 includes a second upper shell 21 and a second lower shell 22, and the second vehicle bearing receptacle 23 is provided on the second lower shell 22, more specifically, on an upper surface of the second lower shell 22 on a side close to the second wheel 50. At this time, the second axle 51 of the second wheel 50 and the first end of the second sub-axle 32 are both fixedly connected to the second lower shell 22, and under the action of gravity and the second fastener 52, the second axle 51 and the second sub-axle 32 can be more stably mounted in the second wheel bearing seat 23 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 order to further enhance the connection firmness between the first axle 31 and the first body 10, as shown in fig. 2 and fig. 3, a first connection pillar 14 is disposed in the first body 10, the first connection pillar 14 is disposed at an end of the first body 10 close to the second body 20, a first connection hole 36 is disposed on the through shaft 30, the first connection hole 36 corresponds to the first connection pillar 14, the first connection pillar 14 is inserted into the first connection hole 36 to fixedly connect the first body 10 with the through shaft 30, the first connection pillar 14 and the first fastener 42 fix both ends of the first body 10 on the through shaft 30, so as to ensure the stable connection between the first body 10 and the through shaft 30. Preferably, the number of the first connection pillars 14 is greater than two, as shown in the drawing, the number of the first connection pillars 14 is 2, and the number of the first connection holes 36 corresponds to the number of the first connection pillars 14, so that the first connection pillars 14 are more stably connected with the first connection holes 36, and the first vehicle body 10 is more stably connected with the through shaft 30. The number of the first connecting columns 14 can also be 3, 4, 5 and the like, and the first connecting columns are arranged according to actual use requirements.

As shown in fig. 2 and 3, the first connection column 14 is disposed on the first upper shell 11, the first connection hole 36 may be disposed only on a surface of the first sub-shaft 31 facing the first connection column 14, the first connection column 14 is inserted into the first sub-shaft 31, the first connection hole 36 may also be a through hole, and the first connection column 14 penetrates through the first sub-shaft 31. In other embodiments, the first connection posts 14 are disposed on the first lower case 12, the first connection holes 36 are disposed downward, and the first connection posts 14 are inserted into the first sub-shafts 31, or the first connection posts 14 are through holes, and the first connection posts 14 penetrate the first sub-shafts 31. Preferably, the top end of the first connecting post 14 is tapered to facilitate the insertion of the first connecting post 14 into the first connecting hole 36.

In order to further enhance the connection firmness between the second sub-axle 32 and the second vehicle body 20, a second connection column 24 is arranged in the second vehicle body 20, the second connection column 24 is arranged at one end, close to the second vehicle body 20, of the second vehicle body 20, a second connection hole 361 is arranged on the through shaft 30, the second connection hole 361 and the second connection column 24 are correspondingly arranged, the second connection column 24 is inserted into the second connection hole 361 to enable the second vehicle body 20 to be fixedly connected with the through shaft 30, and the second connection column 24 and the second fastener 52 fix both ends of the second vehicle body 20 on the through shaft 30, so that the stable connection between the second vehicle body 20 and the through shaft 30 is ensured. Preferably, the number of the second connection posts 24 is greater than 1, as shown in fig. 2, the number of the second connection posts 24 is 2, and the number of the second connection holes 361 corresponds to the number of the second connection posts 24, so that the second connection posts 24 and the second connection holes 361 are more stably connected, and the second vehicle body 20 and the through shaft 30 are more stably connected. The number of the second connecting columns 24 can also be 3, 4, 5 and the like, and the number is set according to actual use requirements.

In other embodiments, as shown in fig. 5 and fig. 6, a first fixing frame 37 is disposed on the first sub-shaft 31, the first fixing frame 37 is fixedly connected to the first sub-shaft 31 or is an integral structure, and when the first fixing frame 37 and the first sub-shaft 31 are separate structures, the first fixing frame 37 and the first sub-shaft 31 are welded or screwed.

At least one first fixing frame 37 is adjacent to the rotating mechanism 33, and the first vehicle body 10 is fixedly connected with the first fixing frame 37. The first fixing frame 37 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. The first fixing frame 37 is provided with screw holes at two ends thereof, the first fixing frame 37 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 37 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 provided between the first sub-shaft 31 and the first lower shell 12, so that other components, such as the battery assembly 16 and the first control panel 15, can be mounted. The internal surface of first epitheca 11 is equipped with erection column 17, is equipped with the screw hole in the erection column 17, and the screw passes first mount 37 and erection column 17 on the first epitheca 11 internal surface in proper order to with first mount 37 and first epitheca 11 fixed connection.

Preferably, two first fixing brackets 37 are provided 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.

When the first control panel 15 is disposed in the first vehicle body 10, the first control panel 15 may be directly and fixedly connected to the first upper shell 11 or the first lower shell 12, or may be fixedly connected to the first branch shaft 31. As shown in fig. 1 and 2, the first control board 15 is fixedly connected to the first upper case 11. As shown in fig. 5 and 6, the first control board 15 is connected to the first shaft 31 through the first control board bracket 60.

As shown in fig. 5 and fig. 6, when first control panel 15 and first minute axle 31 fixed connection, be equipped with first control grillage 60 on first minute axle 31, first control grillage 60 includes first logical axle 30 installation department and first control panel 15 fixed part, first logical axle 30 installation department includes first through-hole 61 and first locating hole 62, first control grillage 60 overlaps through first through-hole 61 and establishes on first minute axle 31 and fixed through first locating hole 62, be equipped with first locating hole 62 on the lateral wall of first through-hole 61, it is equipped with the screw hole to lead to axle 30 corresponding position, the screw passes locating hole and screw hole and fixes first control grillage 60 on leading to axle 30. The first control board bracket 60 is located on the side of the first fixed frame 37 close to the first axle 41.

The first control board bracket 60 includes a first fixed platform 63, and the first vehicle body 10 includes a first upper case 11 and a first lower case 12. The first wheel 40 is fixedly connected to the through shaft 30 by the first fastening member 42. in some embodiments, the first fixing platform 63 is provided with a first avoiding groove 65 for avoiding the first fastening member 42 and the first connection between the first wheel 40 and the through shaft 30.

The first fixed platform 63 is located above the through shaft 30, the top surface is a plane, the first control board 15 is located below the through shaft 30, the top surface of the first fixed platform 63 abuts against the inner surface of the first upper case 11, and at this time, the first control board frame 60 does not rotate even when the first vehicle body 10 does not rotate. In other embodiments, the first fixing platform 63 can also be connected to the first upper housing 11 by clipping, welding, or screwing, so as to follow the first vehicle body 10 to be stationary.

The first fixed platform 63 is located below the through shaft 30, the bottom surface is a plane, the first control board 15 is located above the through shaft 30, the bottom surface of the first fixed platform 63 abuts against the inner surface of the first lower case 12, and at this time, the first control board bracket 60 does not rotate even when the first vehicle body 10 does not rotate. In other embodiments, the first fixing platform 63 can also be connected to the first lower shell 12 by clipping, welding, or screwing, so as to follow the first vehicle body 10 to be stationary.

The first control board 15 needs to be fixedly connected with the first fixing platform 63, therefore, the first control board frame 60 includes a plurality of first positioning posts 64, the first positioning posts 64 and the first fixing platform 63 are integrally arranged, when the first fixing platform 63 is connected with the first upper shell 11, the first control board 15 is placed below the through shaft 30, the first positioning posts 64 extend downwards, are located at two sides of the through shaft 30, and are fixedly connected with the first control board 15; when the first fixing platform 63 is connected to the first lower case 12, the first control board 15 is disposed above the through shaft 30, and the first positioning posts 64 extend upward, are located at two sides of the through shaft 30, and are fixedly connected to the first control board 15.

When the battery module 16 is disposed in the first vehicle body 10, the battery module 16 may be fixedly connected to the first upper case 11 or the first lower case 12, or may be fixedly connected to the first split shaft 31. As shown in fig. 5 and fig. 6, a battery assembly fixing frame 80 is disposed on the first sub-shaft 31, the battery assembly 16 is fixedly connected to the first sub-shaft 31 through the battery assembly fixing frame 80, the battery assembly fixing frame 80 is fixedly connected to the first sub-shaft 31 or is an integrated structure, and when the battery assembly fixing frame 80 and the first sub-shaft 31 are in a split structure, the battery assembly fixing frame 80 is welded or screwed to the first sub-shaft 31.

Preferably, when the number of the first fixing frames 37 is two, one of the first fixing frames 37 is closer to the first axle 41, and the battery assembly fixing frame 80 is located between the two first fixing frames 37, the space between the two first fixing frames 37 is fully utilized.

The battery assembly 16 is fixedly connected with two ends of the battery assembly fixing frame 80, so that the battery assembly 16 is fixedly connected with the through shaft 30. More specifically, the mounting structure of the battery module 16 includes a connecting member 81, and a connecting groove 162 is provided on an outer wall of the battery module 16; the connection piece 81 corresponds to the connection groove 162; the end of the battery assembly holder 80 is provided with a first mounting hole 82, and the connecting member 81 passes through the connecting groove 162 and the first mounting hole 82 to fix the battery assembly 16 to the battery assembly holder 80. Preferably, the connecting member 81 is a screw, the connecting groove 162 is a screw hole, the first mounting hole 82 is a screw hole, and the battery module 16 is fixedly connected to the battery module fixing frame 80 by the screw.

The battery pack fixing frame 80 may be provided with the lower end of the through shaft 30, the upper end of the through shaft 30, or the battery pack fixing frame may be inserted transversely in the middle section of the through shaft 30, or may be divided into two sections to be fixedly disposed on two sides of the middle section of the through shaft 30. As shown in the drawings, the battery pack holder 80 is provided with a lower end of the through shaft 30, the height of the mounting seat 161 is higher than that of the battery pack holder 80, and the connecting member 81 (screw) penetrates through the first mounting hole 82 and the connecting groove 162 from bottom to top to connect and fix the battery pack 16 and the battery pack holder 80. In other embodiments, the height of the battery pack holder 80 may be higher than the height of the mounting seat 161, and the connection member 81 passes through the first mounting hole 82 and the connection groove 162 from top to bottom.

The height of the mounting seat 161 on the battery assembly 16 relative to the through shaft 30 determines the height of the battery assembly 16 relative to the through shaft 30, thereby affecting the body thickness of the balance car. More specifically, in some embodiments, the height of the mounting seat 161 is lower than the axial height of the through shaft 30, so that the battery assembly 16 is closer to the first lower case 12, and the center of gravity of the balance car is lower. In other embodiments, the height of the mounting seat 161 is higher than the axial height of the through shaft 30, and the battery assembly 16 is closer to the first upper shell 11, which is beneficial to reduce the thickness of the first vehicle body 10, so that the distance between the first lower shell 12 and the ground is larger, and the balance vehicle can conveniently cross obstacles on the ground.

Preferably, a through slot 163 is arranged on the battery box of the battery assembly 16, the through shaft 30 passes through the through slot 163 and is partially positioned in the through slot 163, and at least part of the structure of the battery assembly 16 is positioned below the through shaft 30. The through slot 163 enables the top surface of the battery box to be higher than the lowest part of the through shaft 30, so that more batteries can be placed in the battery box to provide more power.

Based on the above embodiment, preferably, the second sub-shaft 32 is provided with a second fixing frame 371, the second fixing frame 371 is fixedly connected to the second sub-shaft 32 or is in an integral structure, and when the second fixing frame 371 and the second sub-shaft 32 are in a split structure, the second fixing frame 371 is welded or screwed to the second sub-shaft 32.

At least one second holder 371 is adjacent to the rotating mechanism 33, and the second vehicle body 20 is fixedly connected to the second holder 371. The second fixing bracket 371 is matched with the second fastener 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. The second fixing frame 371 has screw holes at both ends thereof, and the second fixing frame 371 is fixedly connected to the second vehicle body 20 by screws, preferably, when the second sub-shaft 32 is closer to the second upper case 21, the second fixing frame 371 is disposed at the upper end of the second sub-shaft 32 and is fixedly connected to the second upper case 21 of the second vehicle body 20, and a larger space is provided between the second sub-shaft 32 and the second lower case 22, so that other components, such as the battery pack 16 and the second control panel 25, can be mounted thereon. The internal surface of second epitheca 21 is equipped with erection column 17, is equipped with the screw hole in the erection column 17, and the screw passes second mount 371 and the erection column 17 on the second epitheca 21 internal surface in proper order to with second mount 371 and second epitheca 21 fixed connection.

Preferably, two second fixing brackets 371 are disposed on the second sub-axle 32, so that the second vehicle body 20 and the second sub-axle 32 can be more firmly and stably mounted.

When the second control plate 25 is disposed in the second vehicle body 20, the second control plate 25 may be fixedly connected to the second upper shell 21 or the second lower shell 22, or may be fixedly connected to the second branch shaft 32. As shown in fig. 5 and fig. 6, a second control plate frame 70 is disposed on the second split shaft 32, the second control plate 25 is fixedly connected to the second split shaft 32 through the second control plate frame 70, the second control plate frame 70 includes a second through-shaft 30 mounting portion and a second control plate 25 fixing portion, the second through-shaft 30 mounting portion includes a second through-hole 71 and a second positioning hole 72, the second control plate frame 70 is sleeved on the second split shaft 32 through the second through-hole 71 and is fixed through the second positioning hole 72, a second positioning hole 72 is disposed on a side wall of the second through-hole 71, a screw hole is disposed at a position corresponding to the through-shaft 30, and the screw passes through the positioning hole and the screw hole to fix the second control plate frame 70 on the through-shaft 30. The second control panel bracket 70 is located on a side of the second fixing bracket 371 close to the second axle 51.

The second control panel bracket 70 includes a second fixing platform 73, and the second vehicle body 20 includes a second upper case 21 and a second lower case 22. The second wheel 50 is fixedly connected to the through shaft 30 by the second fastener 52, and in some embodiments, the second fixing platform 73 is provided with a second avoiding groove 75 for avoiding the second fastener 52 and the second connection between the second wheel 50 and the through shaft 30.

The second fixing platform 73 is located above the through shaft 30, the top surface is a plane, the second control plate 25 is located below the through shaft 30, and the top surface of the second fixing platform 73 abuts against the inner surface of the second upper case 21, so that the second control plate frame 70 does not rotate even when the second vehicle body 20 does not rotate. In other embodiments, the second fixing platform 73 can also be connected to the second upper shell 21 by clipping, welding, or screwing, so as to follow the second vehicle body 20 to be stationary.

The second fixing platform 73 is located below the through shaft 30, the bottom surface is a plane, the second control plate 25 is located above the through shaft 30, the bottom surface of the second fixing platform 73 abuts against the inner surface of the second lower case 22, and at this time, the second control plate frame 70 does not rotate even when the second vehicle body 20 does not rotate. In other embodiments, the second fixing platform 73 can be connected to the second lower shell 22 by clipping, welding, or screwing, so as to follow the second vehicle body 20 to be stationary.

The second control board 25 needs to be fixedly connected with the second fixing platform 73, therefore, the second control board frame 70 includes a plurality of second positioning columns 74, the second positioning columns 74 are integrally arranged with the second fixing platform 73, when the second fixing platform 73 is connected with the second upper shell 21, the second control board 25 is disposed below the through shaft 30, the second positioning columns 74 extend downward, are located at two sides of the through shaft 30, and are fixedly connected with the second control board 25; when the second fixing platform 73 is connected to the second lower shell 22, the second control plate 25 is disposed above the through shaft 30, and the second positioning posts 74 extend upward, are located at two sides of the through shaft 30, and are fixedly connected to the second control plate 25.

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 (10)

1. A two-wheeled balance car with a three-section through shaft comprises a first car body, a second car body, a first wheel and a second wheel, and is characterized by further comprising a through shaft which comprises

The first split shaft is transversely arranged in the first vehicle body and is fixedly connected with the first vehicle body;

the second split shaft is transversely arranged in the second vehicle body and fixedly connected with the second vehicle body;

a rotating mechanism connecting the first sub-axle and the second sub-axle and partially located in the first vehicle body and partially located in the second vehicle body, wherein,

the first end of the first sub-shaft is rotatably connected with the rotating mechanism, the second end of the first sub-shaft is fixedly connected with the first wheel, the first end of the second sub-shaft is rotatably connected with the rotating mechanism, and the second end of the second sub-shaft is fixedly connected with the second wheel; a first limiting mechanism is arranged between the first sub-shaft and the rotating mechanism, and a second limiting mechanism is arranged between the second sub-shaft and the rotating mechanism.

2. The two-wheeled balance car with a three-section through axle of claim 1, wherein: the rotating mechanism comprises a connecting seat, a first bearing and a second bearing, the first bearing is sleeved on the first split shaft, the second bearing is sleeved on the second split shaft, a first bearing groove and a second bearing groove are formed in the connecting seat, the first bearing is installed in the first bearing groove, and the second bearing is installed in the second bearing groove.

3. The two-wheeled balance car with a three-section through axle of claim 2, wherein: 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 bearing groove and a complete second bearing groove.

4. The two-wheeled balance car with a three-section through axle of claim 1, wherein: the first limiting mechanism comprises a first limiting groove arranged on the rotating mechanism 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;

the second limiting mechanism comprises a second limiting groove arranged on the rotating mechanism and a second limiting column 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.

5. The two-wheeled balance car with a three-section through axle of claim 1, wherein: a first axle of the first wheel is connected with a first end of the first split shaft through a first fastener; and a second axle of the second wheel is connected with the first end of the second split shaft through a second fastener.

6. The two-wheeled balance car with a three-section through axle of claim 5, wherein: the first fastener passes through a first connecting part formed by the first axle and the first split shaft and is fixedly connected with the first vehicle body; the second fastener passes through a second joint formed by the second axle and the second split shaft and is fixedly connected with the second vehicle body.

7. The two-wheeled balance car with a three-section through axle of claim 6, wherein: 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; 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;

be equipped with second car bearing adapter in the second automobile body, the second junction is installed in the second car bearing adapter, the second fastener with second car bearing adapter fixed connection, the second automobile body includes second epitheca and second inferior valve, the second car bearing adapter sets up the second epitheca or on the second inferior valve, the second fastener with the second epitheca or second inferior valve fixed connection.

8. The two-wheeled balance car with a three-section through axle of claim 5, wherein: a first connecting column is arranged in the first vehicle body, the first connecting column is arranged at one end, close to the second vehicle body, of the first vehicle body, a first connecting hole is formed in the first spindle, the first connecting hole is arranged corresponding to the first connecting column, and the first connecting column is inserted into the first connecting hole to enable the first vehicle body to be fixedly connected with the through shaft; the automobile body is characterized in that a second connecting column is arranged in the second automobile body, the second connecting column is arranged at one end, close to the first automobile body, of the second automobile body, a second connecting hole is formed in the second branch shaft, and the second connecting hole corresponds to the second connecting column.

9. The two-wheeled balance car with a three-section through axle of claim 5, 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, at least one first fixing frame is close to the rotating mechanism, the first vehicle body is fixedly connected with the first fixing frame, and the first fixing frame is arranged at the upper end of the first split shaft and is fixedly connected with a first upper shell of the first vehicle body;

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, at least one second fixing frame is close to the rotating mechanism, the second vehicle body is fixedly connected with the second fixing frame, and the second fixing frame is arranged at the upper end of the second split shaft and is fixedly connected with a second upper shell of the second vehicle body.

10. The two-wheeled balance car with a three-section through axle of claim 9, wherein: the first control plate frame comprises a first through shaft installation part and a first control plate fixing part, the first through shaft installation part comprises a first through hole and a first positioning hole, the first control plate frame is sleeved on the first sub shaft through the first through hole and is fixed through the first positioning hole, and the first control plate frame is positioned on one side, close to the first axle, of the first fixing frame; the first vehicle body is internally provided with a battery assembly and a battery assembly fixing frame, the battery assembly fixing frame is fixedly connected with the first sub-shaft or is of an integrated structure, when the number of the first fixing frames is two, one of the first fixing frames is closer to the first vehicle shaft, and the battery assembly fixing frame is positioned between the two first fixing frames;

the internal second control panel and the second control grillage of being equipped with of second car, the second control grillage includes second through-shaft installation department and second control panel fixed part, second through-shaft installation department includes second through-hole and second locating hole, the second control grillage passes through the second through-hole cover is established on the second minute axle and pass through the second locating hole is fixed, the second control grillage is located the second mount is close to one side of second axletree.

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