CN106080880B

CN106080880B - Balance car

Info

Publication number: CN106080880B
Application number: CN201610451308.7A
Authority: CN
Inventors: 尚艳燕
Original assignee: 尚艳燕
Current assignee: SHENZHEN AOTU INTELLIGENT TECHNOLOGY Co.,Ltd.
Priority date: 2016-06-21
Filing date: 2016-06-21
Publication date: 2020-05-22
Anticipated expiration: 2036-06-21
Also published as: CN106080880A

Abstract

The invention discloses a balance car, which comprises a car body, a wheel and a telescopic device, wherein the wheel and the telescopic device are arranged on the car body, the wheel is provided with a wheel fixing piece, the car body is provided with a bearing rod and a car body fixing piece, one end of the bearing rod is fixedly connected to the car body through a car body pin shaft, the other end of the bearing rod is provided with the car body fixing piece, the wheel fixing piece is movably and fixedly connected with the car body fixing piece, and the wheel can rotate through the connection of the wheel fixing piece and the car body fixing piece; the telescopic device can control the bearing rod to rotate through a vehicle body pin shaft. The invention is convenient for folding the wheel and moving the bearing rod, and greatly reduces the volume of the balance car when the wheel is folded or the bearing rod is moved, so as to be convenient for carrying and transportation.

Description

Balance car

Technical Field

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

Background

The operation principle of the electric balance vehicle, also called a somatosensory vehicle and a thinking vehicle, is mainly based on a basic principle called dynamic stability, a gyroscope and an acceleration sensor in the vehicle body are utilized to detect the change of the posture of the vehicle body, and a servo control system is utilized to accurately drive a motor to perform corresponding adjustment so as to keep the balance of the system.

The conventional electric balance car generally has two types, one type is that a car body is provided with an operating lever, and a user stands on a pedal platform of the electric balance car to operate the operating lever so as to move forward, backward and stop, and the control is also called manual control. The other is that the vehicle body is composed of two parts, the left part and the right part rotate mutually through a rotating mechanism, and therefore foot control is achieved. Referring to the electric balance swing car with chinese patent publication No. CN104029769A (publication date: 20140910), the wheels of the electric balance swing car are protruded outside during carrying and transportation, so that the electric balance swing car occupies a large space as a whole, and is inconvenient to carry and transport.

Disclosure of Invention

The invention aims to provide a balance car which is convenient to carry and transport.

The purpose of the invention is realized by the following technical scheme.

According to one aspect of the invention, the invention discloses a balance car, which comprises a car body, a wheel and a telescopic device, wherein the wheel and the telescopic device are arranged on the car body, the wheel is provided with a wheel fixing piece, the car body is provided with a bearing rod and a car body fixing piece, one end of the bearing rod is fixedly connected to the car body through a car body pin shaft, the other end of the bearing rod is provided with the car body fixing piece, the wheel fixing piece and the car body fixing piece are movably and fixedly connected, and the wheel can rotate through the connection of the wheel fixing piece and the car body fixing piece; the telescopic device can control the bearing rod to rotate through a vehicle body pin shaft; the balance car further comprises a connecting sleeve, a connecting pin, a spring and a fixing pin, wherein the connecting sleeve is sleeved between the wheel fixing piece and the car body fixing piece, a connecting pin groove for placing the connecting pin is formed between the wheel fixing piece and the car body fixing piece, and the spring is sleeved on the connecting pin when the connecting pin is inserted into the connecting pin groove; the connecting pin is provided with a first groove used for limiting a wheel fixing piece and a second groove used for limiting a vehicle body fixing piece, the first groove and the second groove are respectively located in the middle of the connecting pin, and the fixing pin is used for being placed in the second groove and fixedly connected to the connecting sleeve.

Preferably, the telescopic device comprises at least two telescopic rods, and each telescopic rod can rotate with each other; one telescopic rod is fixedly connected to the vehicle body, and the telescopic rod can rotate relative to the vehicle body; wherein, a telescopic link is fixed and connected to the carrier bar, and telescopic link and carrier bar can rotate each other. Set up two at least telescopic links, control the displacement of carrier bar through the mutual rotation of telescopic link to remove the wheel to the vacant position of automobile body, prevent that the wheel protrusion is in the automobile body lateral part.

Preferably, the telescopic device comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is fixed on the vehicle body through a first pin, and the first telescopic rod can rotate by taking the first pin as a shaft; the first telescopic rod and the second telescopic rod are fixedly connected through a second pin, and the first telescopic rod and the second telescopic rod can rotate mutually through the second pin; the second telescopic rod and the bearing rod are fixedly connected through a third pin, and the second telescopic rod and the bearing rod can rotate mutually through the third pin; the telescopic device controls the bearing rod to rotate through the mutual rotation between the first telescopic rod and the second telescopic rod. The telescopic device is a specific arrangement mode of the telescopic device, and the displacement of the bearing rod is controlled through the mutual rotation between the first telescopic rod and the second telescopic rod, so that the wheels are moved to the vacant position of the vehicle body, and the wheels are prevented from protruding out of the side part of the vehicle body.

Preferably, the bearing rod is provided with a bearing rod screw hole, the bearing rod screw hole corresponds to the bearing rod screw hole, the vehicle body is provided with a vehicle body screw hole corresponding to the bearing rod screw hole, the bearing rod screw hole and the vehicle body screw hole are fixed through screw threads, and when the screw threads are connected into the bearing rod screw hole and the vehicle body screw hole, the telescopic device is in an extending state. The screw spiro union is fixed on the automobile body with the carrier bar is firm in carrier bar screw and the automobile body screw to ensure the ability of the bearing weight of carrier bar, ensure the running that the balance car can be normal.

Preferably, the vehicle body is provided with at least one telescopic fixing hole, the telescopic fixing hole and the bearing rod screw hole are fixed through the screw in a screwed mode, and when the screw is screwed into the telescopic hole and the bearing rod screw hole, the telescopic device is in a contraction state. The screw spiro union prevents to be turned to at will by the carrier bar after removing in flexible fixed orifices and the carrier bar screw, plays the effect of location to the user carries the balance car or is convenient for transport the balance car.

Preferably, the carrying rod is provided with a groove for placing one end of the second telescopic rod.

Preferably, the bearing rod screw hole is arranged at the position of the groove.

Preferably, the first telescopic rod and the second telescopic rod rotate mutually on the bottom plane of the vehicle body, the first telescopic rod rotates relative to the vehicle body on the bottom plane of the vehicle body, and the second telescopic rod and the bearing rod rotate mutually on the bottom plane of the vehicle body. Whole telescoping device respectively with the rotation between carrier bar and the automobile body realize at the bottom plane of automobile body, compare like this and rotate more conveniently in the planar direction of perpendicular to bottom of the car body, can realize convenience of customers operation in less space range simultaneously.

Preferably, the vehicle body is provided with a placing groove for placing the wheel. The height of the wheels protruding out of the bottom of the balance car is reduced.

Preferably, the wheel fixing piece and the vehicle body fixing piece are fixedly connected in a hinged mode. The wheel fixing piece and the vehicle body fixing piece are fixedly connected in a hinged mode, so that mutual rotation is facilitated.

Compared with the prior art, the invention has the technical effects that: wheel mounting and automobile body mounting fixed connection, the automobile body mounting sets up on the carrier bar, act on the carrier bar behind wheel mounting and the automobile body mounting fixed connection, thereby the carrier bar plays the effect of bearing weight, just so can reduce the pressure of automobile body mounting greatly, just so ensure that the automobile body mounting of balance car can and the wheel mounting between normal connection, so that when not using, rotate the wheel, with the wheel rotation to the automobile body position, thereby reduce the whole volume of balance car, and then convenient transportation and carrying. Therefore, the wheel can be folded to the position of the bearing rod through the wheel fixing piece and the wheel fixing piece, and the wheel is prevented from protruding outwards and is not easy to transport and carry.

However, when the wheel is rotated to the vehicle body position, the wheel still partially protrudes from the side of the vehicle body; the bearing rod is fixedly connected with the vehicle body through the vehicle body pin shaft, so that the bearing rod can conveniently rotate by taking the vehicle body pin shaft as a shaft. When the wheels are rotated to the position of the bearing rod, or the wheels are folded to the position of the bearing rod, the bearing rod can be controlled to rotate on the vehicle body through the telescopic device, and the wheels can be rotated to the rest vacant positions of the vehicle body, so that the wheels are prevented from protruding out of the side portion of the vehicle body after being folded. The invention can further reduce the volume of the balance car after the wheels are folded through the telescopic device, thereby being more convenient to carry and transport.

Meanwhile, before the telescopic device controls the bearing rod to rotate, the wheels need to be folded to the position of the bearing rod to prevent the side wall of the vehicle body from blocking the wheels; the connecting sleeve is connected to the wheel fixing piece and the car body fixing piece, the connecting pin and the spring sleeved on the connecting pin are inserted into the connecting pin groove, the fixing pin is inserted into the second groove, the first groove plays a limiting role in the wheel fixing piece, the second groove plays a limiting role in the car body fixing piece, and therefore firm fixing between the wheel fixing piece and the car body fixing piece is achieved, mutual rotation of the wheel fixing piece and the car body fixing piece is prevented, and assembly between a car body of the balance car and a wheel is achieved so that the balance car can be used. When the wheel is folded to the automobile body, the connecting pin is pressed, so that the first groove and the wheel fixing piece are separated from each other, the wheel fixing piece is separated from the limit position of the first groove, the wheel fixing piece and part of the automobile body fixing piece are pulled out from the connecting sleeve until the connecting pin shaft is popped out through the action of the spring, the wheel can be folded, the size of the balance car is reduced, and the balance car is convenient to transport and carry.

Drawings

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

FIG. 2 is a schematic view of the overall structure of a balance car according to an embodiment of the present invention;

FIG. 3 is a schematic view of the overall structure of the balance car according to one embodiment of the present invention;

FIG. 4 is a schematic view of the overall structure of the balance car according to one embodiment of the present invention;

FIG. 5 is a schematic view of the overall structure of the balance car according to one embodiment of the present invention;

FIG. 6 is a schematic view of the overall structure of the balance car according to one embodiment of the present invention;

FIG. 7 is a schematic view of the overall structure of a balance car according to an embodiment of the present invention;

FIG. 8 is an enlarged view of a portion of a balance car according to an embodiment of the present invention;

FIG. 9 is a schematic view of the overall structure of the balance car according to one embodiment of the present invention;

FIG. 10 is a schematic view of the overall structure of a balance car according to an embodiment of the present invention;

FIG. 11 is a schematic view of a portion of a balance car according to an embodiment of the present invention;

FIG. 12 is a schematic view of a portion of a balance car according to an embodiment of the present invention;

FIG. 13 is a schematic view of a portion of a balance car according to an embodiment of the present invention;

FIG. 14 is a schematic view of a portion of a balance car according to an embodiment of the present invention;

FIG. 15 is a schematic view of a portion of a balance car according to an embodiment of the present invention;

FIG. 16 is a schematic view of a portion of a balance car according to an embodiment of the present invention;

fig. 17 is a partial structural schematic diagram of a balance car according to an embodiment of the invention.

Wherein: 10. a vehicle body; 11. a vehicle body fixing member; 12. a vehicle body screw hole; 13. a placement groove; 14. a limiting screw hole; 15. a telescopic fixing hole; 20. a wheel; 21. a wheel securing member; 22. grooving; 30. a carrier bar; 31. a groove; 32. a bearing rod screw hole; 40. a screw; 41. a compass; 42. an outer ring; 43. a connecting rod; 50. a wheel pin; 60. a car body pin shaft; 70. a wheel pin; 80. a body pin; 90. a limiting member; 91. fixing a column; 92. a limiting column; 100. a balance car; 200. connecting sleeves; 300. connecting pins; 310. a first groove; 320. a second groove; 400. a spring; 500. a connecting pin slot; 600. fixing the pin; 700. a telescoping device; 710. a first telescopic rod; 720. a second telescopic rod; 730. a first pin; 740. a second pin.

Detailed Description

The invention discloses a balance car, which comprises a car body, a wheel and a telescopic device, wherein the wheel and the telescopic device are arranged on the car body, the wheel is provided with a wheel fixing piece, the car body is provided with a bearing rod and a car body fixing piece, one end of the bearing rod is fixedly connected to the car body through a car body pin shaft, the other end of the bearing rod is provided with the car body fixing piece, the wheel fixing piece is movably and fixedly connected with the car body fixing piece, and the wheel can rotate through the connection of the wheel fixing piece and the car body fixing piece; the telescopic device can control the bearing rod to rotate through a vehicle body pin shaft.

The wheel fixing piece and the vehicle body fixing piece are fixedly connected, the vehicle body fixing piece is arranged on the bearing rod, and the wheel fixing piece and the vehicle body fixing piece are fixedly connected and then act on the bearing rod, so that the bearing rod plays a role of bearing weight, the pressure of the vehicle body fixing piece can be greatly reduced, the vehicle body fixing piece of the balance vehicle can be ensured to be normally connected with the wheel fixing piece, when the balance vehicle is not used, the wheel is rotated to rotate to the position of the vehicle body, the whole volume of the balance vehicle is reduced, and the balance vehicle is convenient to transport and carry. Therefore, the wheel can be folded to the position of the bearing rod through the wheel fixing piece and the wheel fixing piece, and the wheel is prevented from protruding outwards and is not easy to transport and carry.

Meanwhile, before the telescopic device controls the bearing rod to rotate, the wheels need to be folded to the position of the bearing rod, so that the wheels are prevented from being blocked by the side wall of the vehicle body.

Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "center", "lateral", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

The invention is described in further detail below with reference to the figures and preferred embodiments.

The balance car 100 according to the embodiment of the present invention is described below with reference to fig. 1 to 10, and fig. 11 to 14, and fig. 15 to 17.

As shown in fig. 1 to 10, the balance car 100 includes a car body 10 and wheels 20 provided on the car body 10, and the wheels 20 may be provided with two, three, or four, or more than four wheels. In contrast, the present embodiment preferably includes two wheels 20 on the vehicle body 10, and the two wheels are symmetrically disposed on two sides of the vehicle body 10.

In this embodiment, the wheels 10 can rotate relative to the car body 10, so that the wheels 20 can be folded to the bottom position of the car body 10, thereby preventing the wheels from being exposed, and greatly reducing the volume of the balance car for carrying or transporting the balance car 100. The specific manner in which the wheels of the present embodiment rotate relative to the vehicle body is as follows.

The wheel 20 is provided with a wheel fixing part 21, the vehicle body 10 is provided with a vehicle body fixing part 11, the wheel fixing part 21 and the vehicle body fixing part 11 are movably and fixedly connected, and the wheel 20 can rotate through the connection of the wheel fixing part 21 and the vehicle body fixing part 11. Wheel mounting and automobile body mounting fixed connection to when not using, rotate the wheel to the automobile body position, thereby reduce the whole volume of balance car, and then convenient transportation and carry. Therefore, the wheel can be folded to the bottom of the vehicle body through the wheel fixing piece and the wheel fixing piece, and the wheel is prevented from protruding outwards and is not easy to transport and carry.

Specifically, the wheel fixing member 21 is provided with a wheel pin hole, the vehicle body fixing member 11 is provided with a vehicle body pin hole, the balance car 100 further includes a wheel pin 50 inserted into the wheel pin hole and the vehicle body pin hole, and the wheel 20 can be rotated along the wheel pin 50. Insert wheel round pin axle hole and automobile body round pin axle hole through the wheel round pin axle to the wheel round pin axle is in the same place automobile body mounting and wheel mounting link to each other, and the wheel just so can use the wheel round pin axle to rotate as the axle, when not using so that rotate the position to the automobile body with the wheel, thereby reduce the volume of balance car, and then conveniently carry and transport. And the strength of the wheel pin shaft is high, so that the wheel rotation effect is good.

In this embodiment, the wheel fixing member and the body fixing member are directly and movably and fixedly connected with each other, so that a large pressure is generated on the body fixing member when the balance car carries people or weight, and the body fixing member is easily damaged.

In order to increase the strength of the vehicle body mount, the present embodiment further provides a load bar 30 on the vehicle body 10, and the load bar 30 is protrudingly provided on the bottom surface of the vehicle body 10. The vehicle body mount 11 is provided at an end position of the carrier bar 30, the end of which is located at the side of the vehicle body. The wheel mounting and the automobile body mounting fixed connection back act on the carrier bar like this to the carrier bar plays the effect of bearing weight, just so can reduce the pressure of automobile body mounting greatly, prevents that the automobile body mounting is impaired, just so ensures that the automobile body mounting of balance car can with the normal swing joint between the wheel mounting to in order to make things convenient for folding wheel.

Specifically, the carrier bar is of a cuboid structure, so that the carrier bar is high in strength. The one end that the carrier bar with the automobile body mounting is connected is provided with the chamfer, makes things convenient for the wheel mounting to rotate, prevents to block the rotation of wheel mounting. The size of the connecting part of the bearing rod and the vehicle body fixing piece is larger than that of the vehicle body fixing piece, so that the size of the bearing rod is increased, and the bearing strength of the bearing rod to the wheels is high.

The automobile body fixing piece is arranged on the bearing rod, so that the strength of the automobile body fixing piece is high, and wheels can be loaded.

The wheel fixing piece 21 is provided with a slot 22 for placing the vehicle body fixing piece 11, the vehicle body fixing piece can move in the slot 22, the slot 22 plays a limiting role, and the firmness of connection between the wheel fixing piece 21 and the vehicle body fixing piece 11 is further improved. This is just one specific way of fixedly connecting the vehicle body fixing member and the wheel fixing member in the present embodiment, and it should be noted that, for those skilled in the art, other ways may also be adopted, such as: the automobile body mounting is provided with and is used for placing the fluting of wheel mounting, the wheel mounting can be in the fluting internalization. The grooving also plays a limiting role, and the firmness of connection between the wheel fixing piece and the vehicle body fixing piece is further improved.

The end part of the wheel fixing piece is arranged to be of an arc-shaped structure, so that the wheel fixing piece can rotate conveniently, and blocking between the wheel fixing piece and the bearing rod is prevented.

The above is the first way of realizing the rotation of the wheel relative to the vehicle body in the embodiment, which is only a specific way, that is, a specific way of realizing the folding of the wheel.

The present embodiment may also have other ways to realize the rotation of the wheel relative to the vehicle body, such as the second way, as follows.

Wherein, the wheel 20 is provided with a wheel fixing part 21, the vehicle body 10 is provided with a vehicle body fixing part 11, the vehicle body 10 is further provided with a bearing rod 30, and the bearing rod 30 is convexly arranged on the bottom surface of the vehicle body 10. The vehicle body mount 11 is provided at an end position of the carrier bar 30, the end of which is located at the side of the vehicle body. The wheel mounting acts on the carrier bar after wheel mounting and automobile body mounting fixed connection like this to the carrier bar plays the effect of bearing weight, just so can reduce the pressure of automobile body mounting greatly, prevents that the automobile body mounting is impaired. The carrier rod 30 is movably and fixedly connected to the vehicle body 10, and the wheel fixing member 21 and the vehicle body fixing member 11 are fixedly connected. Wheel mounting and automobile body mounting fixed connection, the automobile body mounting sets up on the carrier bar, act on the carrier bar behind wheel mounting and the automobile body mounting fixed connection, thereby the carrier bar plays the effect of bearing weight, just so can reduce the pressure of automobile body mounting greatly, and then just ensure that the automobile body mounting of balance car can and the normal fixed connection between the wheel mounting, so that rotate the carrier bar when not using and be located the wheel on the carrier bar, can rotate the position to the automobile body with the wheel, thereby reduce the whole volume of balance car, and then convenient transportation and carrying. The carrier bar and the wheels are folded to the middle position of the vehicle body through the fixation of the carrier bar and the vehicle body, and the wheels are prevented from protruding outwards and are not easy to carry and transport.

Specifically, the carrier bar is provided with a carrier bar shaft hole, the car body is provided with a car body shaft hole, the balance car 100 further comprises a car body pin shaft 60 used for being inserted into the carrier bar shaft hole and the car body shaft hole, and the carrier bar 30 can be followed the car body pin shaft 60 rotates. Insert carrier bar shaft hole and automobile body shaft hole through automobile body round pin axle to automobile body round pin axle is with carrier bar fixed connection to automobile body on, the carrier bar just can use automobile body round pin axle to rotate as the axle like this, when not using so that rotate the position to the automobile body with carrier bar and wheel together, thereby reduce the volume of balance car, and then conveniently carry and transport. And the strength of the car body pin shaft is high, so that the rotation effect of the bearing rod is good.

Further, a bearing rod screw hole 32 is formed in the bearing rod 30, correspondingly, a vehicle body screw hole 12 corresponding to the bearing rod screw hole 32 is formed in the vehicle body 10, the bearing rod screw hole and the vehicle body screw hole are fixed through a screw 40 in a threaded mode, and the vehicle body screw hole is located in the middle position between the edge of the vehicle body and the fixed position of the vehicle body pin shaft. The bearing rod and the car body are further fixedly connected together through the screw by screwing the bearing rod screw hole and the car body screw hole through the screw, so that the bearing rod and the car body are tightly fixed by screwing the bearing rod screw hole and the car body screw hole through the screw when the balance car is used, the bearing rod bears the load, and the normal running of the balance car is ensured; when the wheel is folded, the screw is taken out from the bearing rod screw hole and the vehicle body screw hole, so that only one end of the bearing rod is movably connected with the vehicle body through the vehicle body pin shaft, the bearing rod is rotated, the wheel at the other end of the bearing rod is located, the wheel and the bearing rod are conveniently placed at the position of the vehicle body, and the transverse size of the vehicle body is reduced so as to carry and transport the balance vehicle.

Wherein, screw 40 one end is provided with compass 41, and compass 41 makes things convenient for operating personnel to control the compass and controls the screw, if direct rotation screw needs great effort, generally needs use tools to control the screw, and can rotate with hand direct control screw through compass operating personnel to take out the screw from the automobile body, or with the fix with screw to the automobile body, just so convenient anytime and anywhere with the wheel folding in the position department of automobile body, and then convenience of customers transports and carries.

Specifically, the compass comprises an outer ring 42 and a connecting rod 43 which is connected with the outer ring and one end of a screw; the connecting rods are at least three and are uniformly distributed. This is a specific structure for setting the compass in the present embodiment, and of course, the compass may be set in other structures.

Furthermore, the bearing rod 30 is provided with a groove 31 for placing the compass 41, so that the compass is prevented from protruding outside to influence the rotation of the bearing rod.

The bearing rod is of a cuboid structure, the bearing rod is arranged at the position, in the bearing rod shaft hole, of the bearing rod, the size of the position is larger than the sizes of other positions, and the strength of the fixed connection position of the bearing rod and the vehicle body is increased.

This is the second mode of implementing the rotation of the wheel relative to the vehicle body in the present embodiment, and is another specific mode of implementing the rotation of the wheel relative to the vehicle body. Of course, the present embodiment also adopts other ways to realize the rotation of the wheel relative to the vehicle body, such as the third way, as follows.

The wheel 20 is provided with a wheel fixing piece 21, the vehicle body 10 is provided with a bearing rod 30 and a vehicle body fixing piece 11, the vehicle body fixing piece 11 is arranged on the bearing rod 30, and the bearing rod is movably and fixedly connected to the vehicle body; the wheel fixing piece and the vehicle body fixing piece are movably and fixedly connected, and the wheel can rotate through the connection of the wheel fixing piece and the vehicle body fixing piece. The specific structure and interconnection relationship of the body mount, the wheel mount and the carrier bar in this manner can be seen in the body mount, the wheel mount and the carrier bar in the above two types, and will not be described in detail herein. The wheel fixing piece is fixedly connected with the vehicle body fixing piece, the vehicle body fixing piece is arranged on the bearing rod, and the wheel fixing piece and the vehicle body fixing piece are fixedly connected and then act on the bearing rod, so that the bearing rod plays a role of bearing weight, the pressure of the vehicle body fixing piece can be greatly reduced, the normal connection between the vehicle body fixing piece and the wheel fixing piece of the balance vehicle can be further ensured, when the balance vehicle is not used, the wheels are rotated to rotate to the position of the vehicle body, the overall size of the balance vehicle is reduced, and the balance vehicle is convenient to transport and carry; and so that when not using, rotate carrier bar and lie in the wheel on the carrier bar, can rotate carrier bar and wheel to the position of automobile body, further reduce the whole volume of balance car, further convenient transportation and carry. Just so can fold the wheel to carrier bar position department through wheel mounting and wheel mounting to and the fixed middle part position department of further folding carrier bar and wheel to the automobile body through carrier bar and automobile body, just so further reduce the volume of automobile body, great convenience of customers carries and transports.

Compared with the two modes, the mode can simultaneously fold the wheels and the folding bearing rods, the wheels can be firstly folded to the positions of the bearing rods in the folding process, then the bearing rods and the wheels are folded to the middle positions of the wheels together by the folding bearing rods, and therefore the size of the balance car is further reduced. In addition, the mode comprises the two modes, so that the user has selective possibility in the process of folding the balance car, the use by the user is more convenient, and the experience effect is improved.

Wherein the vehicle body 10 is provided with a placement groove 13 for placing the wheel 20, the placement groove 13 being located at a middle position of the vehicle body 10. When folding the carrier bar with the wheel on, then, fold the middle part position of automobile body with the carrier bar again, in the standing groove just can be placed to the wheel like this, the standing groove not only plays spacing effect to the wheel, and the wheel is placed in the standing groove and just further is prevented that the wheel is outstanding outside to further reduce the volume of balance car, more conveniently carry and transport.

Further, the vehicle body is provided with a limiting member 90 for limiting the wheel 20 at the edge position of the placing groove 13. Further spacing is carried out to the wheel that is located the standing groove through the locating part, just so prevents that the wheel from rocking, conveniently carries and transports the balance car more.

Specifically, the limiting part 90 includes a fixing column 91 and a limiting column 92, the fixing column is disposed on the vehicle body, and the limiting column is rotatably disposed at an end position of the fixing column. The limiting column can rotate on the fixing column so as to limit the wheel.

Further, the vehicle body 10 is provided with a limit screw hole 14, and the carrier bar is fixed to the vehicle body by screwing the carrier bar screw hole and the limit screw hole with the screw when the carrier bar is rotated to another position of the vehicle body. Like this on folding the carrier bar with the wheel, then, fold the middle part position of automobile body with the carrier bar again, the middle part position of automobile body just can be placed to the wheel like this, and finally, the rethread screw passes carrier bar screw and spacing screw to just with the middle part position of carrier bar spacing fixed to the automobile body, the carrier bar stacks the wheel and presses automobile body middle part position moreover, just so reduces the volume of balance car greatly, convenience of customers carries and transports.

In which fig. 1 to 3 and 9 show a structure of one state of wheels and a vehicle body, fig. 4 shows one of the wheels folded on the vehicle body, fig. 5 and 10 show a state between the wheels and the vehicle body in rotation, fig. 6 and 7 show a structure of a state where the wheels are folded to the middle of the vehicle body, and fig. 8 shows an enlarged view of a connection position of the wheels and the vehicle body.

It should be noted that the above three ways of achieving the rotation of the wheel relative to the vehicle body are only specific examples of the embodiment, and for those skilled in the art, the way of achieving the rotation of the wheel relative to the vehicle body in the embodiment is not limited to the above three ways.

For example, see fig. 11 to 14, which are detailed below.

The balance car further comprises a connecting sleeve 200, a connecting pin 300, a spring 400 and a fixing pin 600, wherein the connecting sleeve is sleeved between the wheel fixing piece and the car body fixing piece, a connecting pin groove 500 for placing the connecting pin is arranged between the wheel fixing piece and the car body fixing piece, and the spring is sleeved on the connecting pin when the connecting pin is inserted into the connecting pin groove; the connecting pin 300 is provided with a first groove 310 for defining the wheel fixing member 21 and a second groove 320 for defining the vehicle body fixing member 11, the first groove and the second groove are respectively located at the middle positions of the connecting pin, and the fixing pin is used for being placed into the second groove and fixedly connected to the connecting sleeve.

The wheel fixing piece and the vehicle body fixing piece are fixedly connected in a hinged mode, so that mutual rotation is facilitated; the connecting sleeve is connected to the wheel fixing piece and the car body fixing piece, the connecting pin and the spring sleeved on the connecting pin are inserted into the connecting pin groove, the fixing pin is inserted into the second groove, the first groove plays a limiting role in the wheel fixing piece, the second groove plays a limiting role in the car body fixing piece, and therefore firm fixing between the wheel fixing piece and the car body fixing piece is achieved, mutual rotation of the wheel fixing piece and the car body fixing piece is prevented, and assembly between a car body of the balance car and a wheel is achieved so that the balance car can be used. When the wheel is folded to the automobile body, the connecting pin is pressed, so that the first groove and the wheel fixing piece are separated from each other, the wheel fixing piece is separated from the limit position of the first groove, the wheel fixing piece and part of the automobile body fixing piece are pulled out from the connecting sleeve until the connecting pin shaft is popped out through the action of the spring, the wheel can be folded, the size of the balance car is reduced, and the balance car is convenient to transport and carry.

In the present embodiment, fig. 11 shows a structure in which the carrier bar 30 is engaged with the wheel 20 in the vehicle body, and the wheel is connected to the vehicle body, and the wheel carries the vehicle body; fig. 12 is a partial sectional view of fig. 11, and fig. 13 is an entire sectional view of fig. 11. Fig. 14 shows the wheel and the vehicle body rotating with each other, and the structure on the vehicle body is folded.

In the present embodiment, the wheel is detachable relative to the vehicle body, that is, the wheel of the present embodiment can be quickly detached from the vehicle body and quickly installed. Of course, the wheel can be detached and installed on the basis of the rotation of the wheel relative to the vehicle body, and the wheel can be detached only. The present embodiment is described based on the foregoing description, however, it should be noted that the way in which the wheel of the present embodiment can be detached is not limited thereto. Specifically, the wheel disassembly of the embodiment is performed based on the first mode to the third mode of the folding mode of the wheel. The details are as follows.

In the first mode of rotating the wheel relative to the vehicle body, the wheel pin 50 is detachably inserted into the wheel pin hole and the vehicle body pin hole. The wheel pin shaft is detachably inserted into the wheel pin shaft hole and the vehicle body pin shaft hole, so that the wheel pin shaft is conveniently taken down, the wheel is further conveniently detached, and for a backpack passenger, the wheel and the vehicle body can be respectively packaged so as to be convenient to carry; for finished product transportation, the wheels and the vehicle body can be assembled respectively for transportation, so that the occupied space of the balance vehicle during transportation can be greatly reduced. When the assembly is needed, the wheel pin shaft is inserted into the wheel pin shaft hole and the vehicle body pin shaft hole.

Therefore, the invention not only can fold the wheels on the bearing rod to reduce the volume of the balance car, but also can rapidly disassemble the wheels to reduce the volume of the balance car, so that the invention has different modes for conveniently reducing the volume of the balance car for users to select, and the users can select to fold the wheels or disassemble the wheels according to actual needs, thereby greatly facilitating the use of the users.

Specifically, a wheel pin hole is formed in one end of the wheel pin shaft, and when the wheel pin shaft is inserted into the wheel pin shaft hole and the vehicle body pin shaft hole, the wheel pin hole is exposed outside; the balance car includes a wheel pin 70 for insertion into the wheel pin hole. The wheel pin is detachable, the wheel pin is taken down, and then the wheel pin can be taken down, so that the wheel can be detached. Of course, it should be noted that, for those skilled in the art, the way of detachable wheel pin shaft of the present embodiment is not limited to this, for example: the wheel pin shaft is provided with threads, and correspondingly, the inner surface of the wheel pin shaft hole and the inner surface of the vehicle body pin shaft hole are respectively provided with threads which are in threaded connection with the threads on the wheel pin shaft.

For another example: the end part of the wheel pin shaft is provided with a thread, and when the wheel pin shaft is inserted into the wheel pin shaft hole and the vehicle body pin shaft hole, the thread is exposed outside; the balance car also comprises a wheel nut used for being in threaded connection with the thread.

In the second mode of the wheel rotating relative to the vehicle body, the vehicle body pin 60 of this embodiment is inserted into the carrier bar shaft hole and the vehicle body shaft hole. Therefore, the bearing rod can be detached from the vehicle body, and the wheel can be detached from the vehicle body. The user's selectivity is increased.

Specifically, a vehicle body pin hole is formed in one end of the vehicle body pin shaft 60, and is exposed when the vehicle body pin shaft is inserted into the bearing rod shaft hole and the vehicle body shaft hole; the balance car includes a body pin 80 for insertion into the body pin hole. The bearing rod can be taken down by taking down the car body pin shaft, and the wheel can be detached by taking down the bearing rod. Of course, it should be noted that, for those skilled in the art, the way of detachable wheel pin shaft of the present embodiment is not limited to this, for example: the bearing rod shaft hole inner surface and the vehicle body shaft hole inner surface are respectively provided with threads which are in threaded connection with the threads on the vehicle body pin shaft.

For another example: the end part of the car body pin shaft is provided with threads, and when the car body pin shaft is inserted into the bearing rod shaft hole and the axle hole, the threads are exposed outside; the balance car also comprises a car body nut used for being in threaded connection with the threads.

In a third mode of rotating the wheel relative to the vehicle body, the wheel pin 50 is detachably inserted into the wheel pin hole and the vehicle body pin hole, and the vehicle body pin 60 is inserted into the carrier bar shaft hole and the vehicle body pin hole.

The wheel pin shaft is detachably inserted into the wheel pin shaft hole and the vehicle body pin shaft hole, so that the wheel pin shaft is conveniently taken down, the wheel is further conveniently detached, and for a backpack passenger, the wheel and the vehicle body can be respectively packaged so as to be convenient to carry; for finished product transportation, the wheels and the vehicle body can be assembled respectively for transportation, so that the occupied space of the balance vehicle during transportation can be greatly reduced. When the assembly is needed, the wheel pin shaft is inserted into the wheel pin shaft hole and the vehicle body pin shaft hole.

Therefore, the invention not only can fold the wheels onto the bearing rod, or/and fold the bearing rod onto the vehicle body, so as to reduce the volume of the balance vehicle; but also can dismantle the wheel fast, or/and carrier bar dismantles fast to reduce the volume of balance car, thereby this embodiment has different modes when reducing the volume of balance car, in order to supply the user to select, the user can be according to actual need selection with the wheel folding or/and select to dismantle the wheel, great convenience of customers uses.

This embodiment balance car is including still being used for the drive the driving motor of wheel, be used for providing power the power, be provided with the sensor circuit board, controller and with power electric connection's luminescent light, the controller respectively with circuit board, power and driving motor electric connection.

Wherein, driving motor sets up in the wheel, and the wheel is wheel hub motor, and driving motor in the wheel passes through wire and power, circuit board and controller and realizes electric connection.

The utility model discloses a wheel, wheel and automobile body fixed connection, wheel fixed part position is provided with the wheel passageway and is used for placing the wire, the carrier bar is provided with also is provided with the carrier bar passageway that is used for placing the wire, wherein, carrier bar passageway position is provided with the location structure who is used for fixing a position the wire, the wire of automobile body position is provided with the interface, it is corresponding, the wire of wheel position is provided with the bayonet joint, only need when wheel and automobile body fixed connection can realize the electric connection of wheel and power etc. on inserting the interface of carrier bar passageway position wire with the bayonet joint on the wheel wire, the connected mode is simple. Thus, the conducting wires are respectively arranged in the wheel channel and the bearing rod channel, and the conducting wires are prevented from being exposed to the outside and being damaged or causing accidents due to the hidden design.

In the first or fourth mode of rotating the wheel relative to the vehicle body, with reference to fig. 15 to 17, fig. 15 to 17 show a further modification of the first or fourth mode of rotating the wheel relative to the vehicle body, in which the balance vehicle 100 further includes a telescopic device 700. The details are as follows.

The wheel 20 is provided with a wheel fixing part 21, the vehicle body 10 is provided with a bearing rod 30 and a vehicle body fixing part, one end of the bearing rod is fixedly connected to the vehicle body 10 through a vehicle body pin shaft 60, the other end of the bearing rod is provided with the vehicle body fixing part, the wheel fixing part and the vehicle body fixing part can be movably and fixedly connected, and the wheel can rotate through the connection of the wheel fixing part and the vehicle body fixing part; the telescopic device can control the bearing rod to rotate through a vehicle body pin shaft.

When the wheel is rotated to the position of the vehicle body, part of the wheel still protrudes out of the side part of the vehicle body; the bearing rod is fixedly connected with the vehicle body through the vehicle body pin shaft, so that the bearing rod can conveniently rotate by taking the vehicle body pin shaft as a shaft. When the wheels are rotated to the position of the bearing rod, or the wheels are folded to the position of the bearing rod, the bearing rod can be controlled to rotate on the vehicle body through the telescopic device, and the wheels can be rotated to the rest vacant positions of the vehicle body, so that the wheels are prevented from protruding out of the side portion of the vehicle body after being folded. The invention can further reduce the volume of the balance car after the wheels are folded through the telescopic device, thereby being more convenient to carry and transport.

The telescopic device comprises at least two telescopic rods, and each telescopic rod can rotate mutually; one telescopic rod is fixedly connected to the vehicle body, and the telescopic rod can rotate relative to the vehicle body; wherein, a telescopic link is fixed and connected to the carrier bar, and telescopic link and carrier bar can rotate each other. Set up two at least telescopic links, control the displacement of carrier bar through the mutual rotation of telescopic link to remove the wheel to the vacant position of automobile body, prevent that the wheel protrusion is in the automobile body lateral part.

Specifically, the telescopic device 700 includes a first telescopic rod 710 and a second telescopic rod 720, the first telescopic rod is fixed to the vehicle body by a first pin 730, and the first telescopic rod can rotate around the first pin; the first telescopic rod and the second telescopic rod are fixedly connected through a second pin 740, and the first telescopic rod and the second telescopic rod can rotate mutually through the second pin; the second telescopic rod and the bearing rod are fixedly connected through a third pin, and the second telescopic rod and the bearing rod can rotate mutually through the third pin; the telescopic device controls the bearing rod to rotate through the mutual rotation between the first telescopic rod and the second telescopic rod. The telescopic device is a specific arrangement mode of the telescopic device, and the displacement of the bearing rod is controlled through the mutual rotation between the first telescopic rod and the second telescopic rod, so that the wheels are moved to the vacant position of the vehicle body, and the wheels are prevented from protruding out of the side part of the vehicle body.

The bearing rod is provided with a bearing rod screw hole, correspondingly, the vehicle body is provided with a vehicle body screw hole 12 corresponding to the bearing rod screw hole, the bearing rod screw hole and the vehicle body screw hole are fixedly connected through a screw 40, and when the screw is connected into the bearing rod screw hole and the vehicle body screw hole, the telescopic device is in an extending state. The screw spiro union is fixed on the automobile body with the carrier bar is firm in carrier bar screw and the automobile body screw to ensure the ability of the bearing weight of carrier bar, ensure the running that the balance car can be normal. Referring specifically to fig. 15 and 16, fig. 15 shows the retractor in an extended position, and fig. 16 shows the retractor in an extended position with the wheels in a collapsed position.

The vehicle body is provided with at least one telescopic fixing hole 15, the telescopic fixing hole and the bearing rod screw hole are fixed through the screw 40 in a threaded mode, and when the screw is connected to the telescopic hole and the bearing rod screw hole in a threaded mode, the telescopic device is in a contraction state. The screw spiro union prevents to be turned to at will by the carrier bar after removing in flexible fixed orifices and the carrier bar screw, plays the effect of location to the user carries the balance car or is convenient for transport the balance car. Referring specifically to fig. 17, fig. 17 shows the telescopic device in a retracted state and the wheels in a collapsed state.

The bearing rod is provided with a groove 31 for placing one end of the second telescopic rod, and the bearing rod screw hole is formed in the groove. The screw is provided with a plurality of evenly distributed connecting rods.

The first telescopic rod and the second telescopic rod rotate mutually on the bottom plane of the vehicle body, the first telescopic rod rotates relative to the vehicle body on the bottom plane of the vehicle body, and the second telescopic rod and the bearing rod rotate mutually on the bottom plane of the vehicle body. Whole telescoping device respectively with the rotation between carrier bar and the automobile body realize at the bottom plane of automobile body, compare like this and rotate more conveniently in the planar direction of perpendicular to bottom of the car body, can realize convenience of customers operation in less space range simultaneously.

In this embodiment, the wheel rotates about the wheel mount.

Wherein, the automobile body includes: the upper shell comprises a first upper shell and a second upper shell which are symmetrically arranged, and the first upper shell and the second upper shell are respectively provided with pedal holes; the two pedals are respectively arranged in the pedal holes of the first upper shell and the second upper shell; the middle shell comprises a first middle shell and a second middle shell which are symmetrically arranged and can rotate mutually; the inferior valve, the inferior valve includes first inferior valve and the second inferior valve that becomes the symmetry and sets up, the mesochite is located between epitheca and the inferior valve.

In this embodiment, the first middle shell and the second middle shell are fixedly connected through a rotating mechanism, and the first middle shell and the second middle shell can rotate relative to each other through the rotating mechanism.

The rotating mechanism is arranged in the middle of the connecting position of the first middle shell and the second middle shell and comprises a shaft sleeve, two bearings and a limiting shaft, the two ends of the shaft sleeve are fixed at the inner ends of the first middle shell and the second middle shell respectively, the two bearings are fixed on the shaft sleeve and fixed between the first middle shell and the second middle shell through snap springs, and therefore the first middle shell and the second middle shell of the middle shell can rotate under the cooperation of the rotating mechanism. In addition, the limiting shaft plays a role in limiting and fixing.

It should be noted that the rotation mechanism, the circuit board and the controller may adopt the prior art, such as the prior art given in the background, and will not be further described here.

The foregoing is a more detailed description of the invention in connection with specific preferred embodiments and it is not intended that the invention be limited to these specific details. For those skilled in the art to which the invention pertains, several simple deductions or substitutions can be made without departing from the spirit of the invention, and all shall be considered as belonging to the protection scope of the invention.

Claims

1. A balance car is characterized by comprising a car body, wheels and a telescopic device, wherein the wheels and the telescopic device are arranged on the car body, the wheels are provided with wheel fixing parts, the car body is provided with a bearing rod and a car body fixing part, one end of the bearing rod is fixedly connected to the car body through a car body pin shaft, the other end of the bearing rod is provided with the car body fixing part, the wheel fixing parts and the car body fixing part are movably and fixedly connected, and the wheels can rotate through the connection of the wheel fixing parts and the car body fixing parts; the telescopic device can control the bearing rod to rotate through a vehicle body pin shaft; the balance car further comprises a connecting sleeve, a connecting pin, a spring and a fixing pin, wherein the connecting sleeve is sleeved between the wheel fixing piece and the car body fixing piece, a connecting pin groove for placing the connecting pin is formed between the wheel fixing piece and the car body fixing piece, and the spring is sleeved on the connecting pin when the connecting pin is inserted into the connecting pin groove; the connecting pin is provided with a first groove used for limiting a wheel fixing piece and a second groove used for limiting a vehicle body fixing piece, the first groove and the second groove are respectively located in the middle of the connecting pin, and the fixing pin is used for being placed in the second groove and fixedly connected to the connecting sleeve.

2. The balance car of claim 1, wherein the telescopic device comprises at least two telescopic rods, and each telescopic rod can rotate with respect to the other; one telescopic rod is fixedly connected to the vehicle body, and the telescopic rod can rotate relative to the vehicle body; wherein, a telescopic link is fixed and connected to the carrier bar, and telescopic link and carrier bar can rotate each other.

3. The balance car of claim 2, wherein the telescopic device comprises a first telescopic rod and a second telescopic rod, the first telescopic rod is fixed on the car body through a first pin, and the first telescopic rod can rotate by taking the first pin as an axis; the first telescopic rod and the second telescopic rod are fixedly connected through a second pin, and the first telescopic rod and the second telescopic rod can rotate mutually through the second pin; the second telescopic rod and the bearing rod are fixedly connected through a third pin, and the second telescopic rod and the bearing rod can rotate mutually through the third pin; the telescopic device controls the bearing rod to rotate through the mutual rotation between the first telescopic rod and the second telescopic rod.

4. The balance car of claim 3, wherein the load bar has a load bar screw hole and the car body has a car body screw hole corresponding to the load bar screw hole, the load bar screw hole and the car body screw hole are fixed by a screw, and the extension device is in an extended state when the screw is screwed into the load bar screw hole and the car body screw hole.

5. The balance car of claim 4, wherein the car body is provided with at least one telescopic fixing hole, the telescopic fixing hole and the bearing rod screw hole are fixed by the screw in a screwed mode, and when the screw is screwed into the telescopic hole and the bearing rod screw hole, the telescopic device is in a contracted state.

6. The balance car of claim 5, wherein the load bar is provided with a recess for receiving an end of the second telescoping bar.

7. The balance vehicle of claim 6, wherein the load bar screw hole is provided at the location of the recess.

8. The balance car of claim 3, wherein the first telescoping rod and the second telescoping rod are rotatable relative to each other in a bottom plane of the car body, the first telescoping rod being rotatable relative to the car body in the bottom plane of the car body, the second telescoping rod and the load bar being rotatable relative to each other in the bottom plane of the car body.

9. The balance vehicle of any one of claims 1 to 8, wherein the wheel mount and the body mount are hingedly and fixedly connected.