WO2018014179A1 - Electric balance vehicle - Google Patents

Abstract

Provided is an electric balance vehicle (100), comprising a vehicle body (110), and a wheel (120) fixed on the vehicle body (110). The electric balance vehicle (100) further comprises a retractable plate (200) disposed on the vehicle body (110) and a positioning mechanism (300) for positioning the telescopic plate (200) on the vehicle body (110). The vehicle body (110) is provided with a telescopic cavity (111) for receiving the telescopic plate (200). The telescopic plate (200) is telescopically movable in the telescopic cavity (111), and the telescopic plate (200) is partially located outside the vehicle body (110) when the telescopic plate (200) extends outwardly from the telescopic cavity (111). The telescopic plate (200) on the electric balance vehicle (100) can be telescoped in the telescopic cavity (111) of the vehicle body. When the retractable plate (200) is extended from the retractable cavity (111), the telescopic plate (200) is partially located outside the vehicle body (110), thereby facilitating the placement of articles on the telescopic plate (111).

Description

Electric balance car [Technical Field]

The present invention relates to the field of balancing vehicles and, more particularly, to an electric balancing vehicle.

【Background technique】

Electric balance car, also known as body car, thinking car, its operation principle is mainly based on a basic principle called "dynamic stability", using the gyroscope and acceleration sensor inside the car body to detect the posture of the car body. Change and use the servo control system to accurately drive the motor to adjust accordingly to maintain the balance of the system.

There are two types of electric balance vehicles in the prior art. One type has an operating lever on the vehicle body, and the user stands on the pedal platform of the electric balance vehicle to operate the operating lever to advance, retreat and stop. Also known as "hand control." The other is that the car body is composed of two parts, and the left part and the right part are mutually rotated by the rotating mechanism, thereby realizing "foot control". See the electric balance twisting car of China Invention Patent Publication No. CN104029769A (publication date: 20140910), which is only used for user travel and has a single function.

[Summary of the Invention]

The technical problem to be solved by the present invention is to provide a multifunctional electric balance car.

The object of the present invention is achieved by the following technical solutions:

According to an aspect of the invention, an electric balance vehicle includes a vehicle body, a wheel fixed to the vehicle body, and the electric balance vehicle further includes a telescopic plate disposed on the vehicle body and a positioning mechanism for positioning the telescopic plate on the vehicle body, the vehicle body is provided with a telescopic cavity for receiving the telescopic plate, and the telescopic plate can be telescopically movable in the telescopic cavity, when When the telescopic plate protrudes outward from the inside of the telescopic cavity, the telescopic plate portion is located outside the vehicle body.

Preferably, the positioning mechanism comprises a positioning member disposed on the vehicle body, and the telescopic plate is provided with a positioning hole for placing the positioning member. This is a way of positioning the positioning mechanism.

Preferably, the vehicle body is provided with a through hole for placing the positioning member, the positioning member includes a positioning ring, a positioning block, a body for being placed into the through hole, and a positioning hole for being placed into the positioning hole a positioning post, the positioning post is located at an end of one end of the positioning member, the positioning block is located at an end of the other end of the positioning member, and the positioning ring is located between the positioning post and the body, when The positioning post terminates in the positioning hole when the positioning post is placed in the positioning hole, the positioning ring is larger than the size of the through hole, the positioning block is larger than the size of the through hole, and the height of the body is greater than the through hole The length of the hole, when the body is placed in the through hole, the body is movable in the through hole along the length of the through hole and terminates in the positioning block and the positioning ring. This is a specific way of positioning the organization.

Preferably, the vehicle body is provided at one end of the through hole with a first end surface that cooperates with the positioning block, and the vehicle body is provided with a second end surface at the other end of the through hole, the positioning mechanism The elastic member is further included, and the elastic member is disposed between the positioning ring and the second end surface when the body is placed in the through hole. The elastic member acts as an elastic support for the positioning ring, and the positioning ring applies the force of the elastic member to the positioning post to ensure that the positioning column can always be positioned into the positioning hole. When the force is applied to the positioning block, the body moves in the through hole, so that the positioning ring compresses the elastic member, so that the positioning column is pulled out from the positioning hole, so that the positioning column loses the positioning function, thereby facilitating stretching or contraction. Expansion board.

Preferably, the elastic member includes a spring for being sleeved to the body. The elasticity of the spring is good, and the spring sleeve is attached to the body, and the fixing effect is good.

Preferably, the through hole is disposed at an opening position of the telescopic cavity, and the telescopic plate is provided with a sliding slot, and the positioning hole is disposed in the sliding slot when the telescopic plate is in the telescopic cavity When the telescopic movement is performed, the sliding slot moves along the positioning post; the telescopic plate is provided with a limiting plate that cooperates with the telescopic cavity, and the limiting plate is located inside the sliding slot. This ensures that the positioning post is located in the chute, which not only ensures that the telescopic plate can be normally stretched or contracted along the positioning post, but also ensures that the positioning post can be positioned into the positioning hole, thereby realizing the positioning of the telescopic plate. In addition, the limit plate is set to limit the position, and the stability of the expansion plate during expansion and contraction is increased.

Preferably, the number of the positioning holes is at least two, and two of the positioning holes are respectively disposed at both ends of the sliding slot. This arrangement can be placed through the positioning post when the telescopic plate is retracted into the telescopic cavity Positioning the expansion plate in a positioning hole to prevent the expansion plate from protruding from the expansion cavity; or positioning the expansion plate by positioning the column in another positioning hole when the expansion plate is pulled out of the expansion cavity to prevent the expansion plate The telescopic cavity is completely pulled out. Of course, positioning holes can also be provided in other parts of the chute to achieve positioning of different positions of the telescopic plate.

Preferably, the telescopic plate is provided with a support wheel, which can drive the support wheel to rotate when the electric balance car moves. When the support wheel is not provided on the telescopic plate, the extension plate is stretched, the extension plate is partially located outside the vehicle body, and a part is located in the telescopic cavity of the vehicle body. When the article is placed on the extension plate, the expansion plate applies bearing capacity to the vehicle body. The position of the telescopic cavity causes a large force to the surrounding structure of the telescopic cavity, which easily damages the telescopic cavity. The invention provides a support wheel on the telescopic plate, and when the electric balance car moves, the support wheel rotates, so that the support wheel functions as a support expansion plate, which greatly shares the bearing capacity of the telescopic cavity position, and prevents the telescopic cavity from being stressed. Large and damaged. Moreover, the support wheel can also be rotated and can be used as an auxiliary wheel, thereby increasing the stability of the electric balance vehicle.

Preferably, when the telescopic plate is retracted into the telescopic cavity, the support wheel can be contracted onto the vehicle body. When the user does not need to transport or carry the article, the telescopic plate can be contracted into the telescopic cavity of the vehicle body, so that the support wheel is still located outside the vehicle body and can rotate with the movement of the electric balance car, due to the role of the support wheel, Increased friction and resistance of the electric balance car. The invention can shrink the support wheel to the vehicle body, so that the support wheel does not follow the movement of the electric balance car, so that the user can use the electric balance car to travel.

Preferably, the support wheel is fixedly connected by a support rod and a telescopic plate, the support rod and the extension plate are fixedly connected by a support pin, the support rod is rotatable along the support pin, and a bottom of the vehicle body is provided with a card slot. The support wheel is provided with a post for placing into the card slot, and when the post is placed into the card slot, the support wheel is contracted to the bottom of the vehicle body;

a first link is fixedly connected to the two sides of the support rod, and one end of the first link is rotatably connected to the support rod, and the other end of the first link is rotatably connected with a second link. The second link is rotatably coupled to the telescopic plate. When the support wheel is contracted, the force is applied to the connection portion of the first link and the second link, so that the first link and the second link rotate with each other, thereby driving the support rod along the support The pin rotates and shrinks the telescopic plate into the telescopic cavity, so that the post on the support wheel can be placed into the card slot, thereby accommodating the support wheel to the bottom of the vehicle body, preventing the support wheel from rotating, so that the user can use the electric balance. Car travel.

Compared with the prior art, the technical effect of the present invention is that the telescopic plate on the electric balance car of the present invention can realize telescopic expansion in the telescopic cavity of the vehicle body. When the telescopic plate protrudes from the telescopic cavity, the telescopic plate portion is located in the car. In vitro, it is convenient to place items on the telescopic board, especially when the user uses the electric balance car to shop in the mall, the goods can be placed directly on the retractable board without additional use of baskets or backpacks to hold the items. .

Moreover, the electric balance car of the present invention can also connect the telescopic plate to the transport device when the telescopic plate protrudes from the telescopic cavity, such as a transport vehicle, so that it is more convenient to place articles on the transport vehicle, which is greatly convenient to use. Transport goods. The electric balance car of the invention not only facilitates the user to travel, but also facilitates the user to transport the articles and realizes the multifunctional function.

In addition, the vehicle body is provided with a positioning mechanism for positioning the expansion plate on the vehicle body, and the positioning mechanism prevents the expansion plate from being freely moved on the vehicle body, and prevents the expansion plate from being completely pulled out from the inside of the expansion cavity, thereby ensuring that the expansion plate can Play the role of placing items.

[Description of the Drawings]

1 is a schematic view showing the overall structure of an electric balance vehicle according to an embodiment of the present invention;

2 is a schematic view showing the overall structure of an electric balance according to an embodiment of the present invention;

3 is a schematic view showing the overall structure of an electric balance according to an embodiment of the present invention;

4 is a schematic view showing the overall structure of an electric balance according to an embodiment of the present invention;

Figure 5 is a schematic view showing the overall structure of an electric balance according to an embodiment of the present invention;

6 is a schematic structural view of an expansion panel according to an embodiment of the present invention;

7 is a schematic structural view of a positioning mechanism according to an embodiment of the present invention;

Fig. 8 is a schematic view showing the cooperation of a support wheel and a partial expansion plate according to an embodiment of the present invention.

Among them: 100, electric balance car; 110, car body; 111, telescopic cavity; 112, card slot; 113, card Plate; 120, wheel; 200, telescopic plate; 210, positioning hole; 220, chute; 230, limit plate; 240, support rod fixing block; 250, connecting rod fixing block; 300, positioning mechanism; 310, positioning member 311, positioning column; 312, positioning ring; 313, body; 314, positioning block; 320, spring; 400, support wheel; 410, support rod; 420, post; 430, first link; 440, second link.

【detailed description】

An electric balance vehicle includes a vehicle body and a wheel fixed to the vehicle body, the electric balance vehicle further comprising a telescopic plate disposed on the vehicle body and configured to position the telescopic plate a positioning mechanism on the vehicle body, the vehicle body is provided with a telescopic cavity for accommodating the telescopic plate, and the telescopic plate can be telescopically moved in the telescopic cavity, when the telescopic plate is from the inside of the telescopic cavity When extended outward, the telescopic plate portion is located outside the vehicle body.

The telescopic plate on the electric balance car of the invention can realize the expansion and contraction in the telescopic cavity of the vehicle body. When the telescopic plate protrudes from the telescopic cavity, the telescopic plate portion is located outside the vehicle body, so that it is convenient to place articles on the telescopic plate, especially When the user uses the electric balance car to shop in the mall, the purchased item can be placed directly on the retractable board without using an extra basket or backpack to hold the item.

Moreover, the electric balance car of the present invention can also connect the telescopic plate to the transport device when the telescopic plate protrudes from the telescopic cavity, such as a transport vehicle, so that it is more convenient to place articles on the transport vehicle, which is greatly convenient to use. Transport goods. The electric balance car of the invention not only facilitates the user to travel, but also facilitates the user to transport the articles and realizes the multifunctional function.

In addition, the vehicle body is provided with a positioning mechanism for positioning the expansion plate on the vehicle body, and the positioning mechanism prevents the expansion plate from being freely moved on the vehicle body, and prevents the expansion plate from being completely pulled out from the inside of the expansion cavity, thereby ensuring that the expansion plate can Play the role of placing items.

The specific structural and functional details disclosed are merely representative and are for the purpose of describing exemplary embodiments of the invention. The present invention may, however, be embodied in many alternative forms and should not be construed as being limited only to 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", The orientation or positional relationship of the indications "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. is based on the orientation or positional relationship shown in the drawings, only for the purpose of The invention is not limited by the scope of the invention, and is not intended to be a limitation of the invention. Moreover, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, features defining "first" and "second" may include one or more of the features either explicitly or implicitly. In the description of the present invention, "a plurality" means two or more unless otherwise stated. In addition, the term "comprises" and its variations are intended to cover a non-exclusive inclusion.

In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

The terminology used herein is for the purpose of describing the particular embodiments, The singular forms "a", "an", It is also to be understood that the terms "comprising" and """ Other features, integers, steps, operations, units, components, and/or combinations thereof.

The invention will now be described in further detail with reference to the drawings and preferred embodiments.

An electric balance vehicle according to an embodiment of the present invention will be described below with reference to Figs.

As shown in FIG. 1 to FIG. 8 , the embodiment discloses an electric balance vehicle 100. The electric balance vehicle 100 includes a vehicle body 110 and wheels 120 fixed on the vehicle body 110. The electric balance vehicle 100 further includes a setting. a telescopic plate 200 on the vehicle body 110 and a positioning mechanism 300 for positioning the telescopic plate 200 on the vehicle body 110, the vehicle body 110 is provided with a telescopic cavity for housing the telescopic plate 200 The telescopic plate 200 is telescopically movable in the telescopic cavity 111. When the telescopic plate 200 protrudes outward from the telescopic cavity 111, the telescopic plate 200 is partially located outside the vehicle body 110.

The telescopic plate 200 on the electric balance vehicle 100 of the present embodiment can be telescoped in the telescopic cavity 111 of the vehicle body 110. When the telescopic plate 200 protrudes from the telescopic cavity 111, the telescopic plate 200 is partially located outside the vehicle body 110, so that It is convenient to place articles on the flexure board 200, especially when the user uses the electric balancer 100 to shop in the mall, the shopping items can be placed directly on the retractable board without using an extra basket or a backpack to hold the articles.

Moreover, in the electric balance vehicle 100 of the present embodiment, when the extension plate 200 protrudes from the telescopic cavity 111, the extension plate 200 can also be connected to a transport device, such as a transport vehicle, which makes it more convenient to place articles on the transport vehicle. It is very convenient for users to transport goods. The electric balance car of the invention not only facilitates the user to travel, but also facilitates the user to transport the articles and realizes the multifunctional function.

In addition, the vehicle body 110 is provided with a positioning mechanism 300 for positioning the telescopic plate 200 on the vehicle body 110, and the positioning mechanism 300 prevents the expansion plate 200 from being freely movable on the vehicle body 110, and prevents the expansion plate 200 from being inside the telescopic cavity 111. Pulling out completely, this ensures that the stretch panel 200 can function as an item.

In this embodiment, the positioning mechanism 300 can realize positioning of the expansion plate 200 to prevent the expansion and contraction plate from arbitrarily expanding and contracting. In this embodiment, the preferred selection of the positioning mechanism 300 includes the positioning member 310 and the elastic member.

The positioning member 310 is disposed on the vehicle body 110. The telescopic plate 200 is provided with a positioning hole 210 for placing the positioning member 310.

Specifically, the vehicle body 110 is provided with a through hole for placing the positioning member 310, and the positioning member 310 includes a positioning ring 312, a positioning block 314, a body 313 for being placed into the through hole, and a positioning post 311 placed in the positioning hole 210, the positioning post is located at an end of one end of the positioning member, the positioning block is located at an end of the other end of the positioning member, and the positioning ring is located at the end Between the positioning post and the body, when the positioning post is placed into the positioning hole, the positioning ring is terminated, the positioning ring is larger than the size of the through hole, and the positioning block is larger than the size of the through hole. The height of the body is greater than the length of the through hole. When the body is placed in the through hole, the body can move along the length of the through hole in the through hole, and terminate in the positioning block and Locating ring.

Further, the vehicle body 110 is disposed at one end of the through hole to cooperate with the positioning block. a first end surface, the vehicle body is provided with a second end surface at the other end of the through hole, and the elastic member is disposed at the positioning ring and the second end surface when the body is placed in the through hole between. The elastic member acts as an elastic support for the positioning ring, and the positioning ring applies the force of the elastic member to the positioning post to ensure that the positioning column can always be positioned into the positioning hole. When the force is applied to the positioning block, the body moves in the through hole, so that the positioning ring compresses the elastic member, so that the positioning column is pulled out from the positioning hole, so that the positioning column loses the positioning function, thereby facilitating stretching or contraction. Expansion board.

In this embodiment, the elastic member includes a spring 320 for socketing the body. The elasticity of the spring is good, and the spring sleeve is attached to the body, and the fixing effect is good. Of course, in this embodiment, a metal dome can also be disposed between the positioning ring and the second end surface.

Further, the through hole is disposed at an opening position of the telescopic cavity 111, and the expansion plate 200 is provided with a sliding slot 220, and the positioning hole 210 is disposed in the sliding slot 220 when the expansion plate When the telescopic movement is performed in the telescopic cavity 111, the sliding slot 220 moves along the positioning post 311; the telescopic plate 200 is provided with a limiting plate 230 that cooperates with the telescopic cavity 111, the limit The plate is located inside the chute. This ensures that the positioning post is located in the chute, which not only ensures that the telescopic plate can be normally stretched or contracted along the positioning post, but also ensures that the positioning post can be positioned into the positioning hole, thereby realizing the positioning of the telescopic plate. In addition, the limit plate is set to limit the position, and the stability of the expansion plate during expansion and contraction is increased.

The number of the positioning holes 210 is at least two, and the two positioning holes are respectively disposed at both ends of the sliding slot 220. In this way, when the telescopic plate 200 is retracted into the telescopic cavity 111, the telescopic plate is positioned in a positioning hole by the positioning post 311 to prevent the telescopic plate from protruding from the telescopic cavity; or the telescopic plate can be pulled out of the telescopic cavity. The telescopic plate is positioned by positioning the post in another positioning hole to prevent the telescopic plate from being completely pulled out of the telescopic cavity. Of course, positioning holes can also be provided in other parts of the chute to achieve positioning of different positions of the telescopic plate.

The above is a specific manner of the positioning mechanism 300. The positioning mechanism of the embodiment can also be configured as other structures. For example, the positioning mechanism only includes the positioning component with the above structure, and the positioning block has protruding bumps and a vehicle. The body is provided with pits for placing bumps, and the pits can be set to two or more different heights. When the expansion plate needs to be positioned, the bumps of the positioning block can be placed close to the concave plate of the expansion plate. Within the point, the positioning post can be positioned into the positioning hole, and when the expansion plate needs to be moved, the bump can be placed away from the concave point, so that the positioning post is separated from the positioning hole and placed in the sliding groove, so that Easy to pull the expansion board. This is another specific way of setting the positioning mechanism. Of course, the positioning mechanism can have other ways.

In this embodiment, the positioning hole may be a through hole or a blind hole. In this embodiment, the positioning holes are preferably provided as blind holes.

As a preferred option of the embodiment, the telescopic plate 200 is provided with a support wheel 400, which can drive the support wheel to rotate when the electric balance car moves. When the support wheel is not provided on the telescopic plate, the extension plate is stretched, the extension plate is partially located outside the vehicle body, and a part is located in the telescopic cavity of the vehicle body. When the article is placed on the extension plate, the expansion plate applies bearing capacity to the vehicle body. The position of the telescopic cavity causes a large force to the surrounding structure of the telescopic cavity, which easily damages the telescopic cavity. The invention provides a support wheel on the telescopic plate, and when the electric balance car moves, the support wheel rotates, so that the support wheel functions as a support expansion plate, which greatly shares the bearing capacity of the telescopic cavity position, and prevents the telescopic cavity from being stressed. Large and damaged. Moreover, the support wheel can also be rotated and can be used as an auxiliary wheel, thereby increasing the stability of the electric balance vehicle.

Wherein, the support wheel of the embodiment is a universal wheel.

The support wheel of the embodiment can be fixedly connected to the extension plate.

Wherein, the support wheel of the embodiment can also be contracted onto the vehicle body, for example:

The support wheel is retractable onto the vehicle body when the telescopic plate is retracted into the telescoping cavity. When the user does not need to transport or carry the article, the telescopic plate can be contracted into the telescopic cavity of the vehicle body, so that the support wheel is still located outside the vehicle body and can rotate with the movement of the electric balance car, due to the role of the support wheel, Increased friction and resistance of the electric balance car. In this embodiment, the support wheel can be contracted to the vehicle body, so that the support wheel does not follow the movement of the electric balance car, so that the user can use the electric balance car to travel.

Specifically, the support wheel 400 is fixedly connected by a support rod 410 and a telescopic plate 200. The extension plate 200 is provided with a support rod fixing block 240. The support rod and the support rod fixing block on the extension plate are fixed by a support pin. Connected, the support rod is rotatable along the support pin, and the bottom of the vehicle body is provided with a card The groove 112 is provided with a post 420 for being placed into the card slot. When the post 420 is placed into the card slot 112, the support wheel is retracted to the bottom of the vehicle body.

More specifically, the support wheel 400 is provided with a support shaft, the post is a portion extending outwardly of the end of the support shaft, and the post is formed by two outward extensions respectively through the two ends of the support shaft. The corresponding card slot 112 is also provided with two. Specifically, the bottom of the vehicle body is provided with a sheet-shaped card plate 113. The card plate 113 is two and disposed adjacent to each other, and the card slot 112 is disposed on the card plate 113.

Further, a first link 430 is fixedly connected to the two sides of the support rod 410, and one end of the first link is rotatably connected to the support rod, and the other end of the first link is rotatably connected with a first Two links 440, the second link is rotatably connected to the telescopic plate, the telescopic plate is provided with a connecting rod fixing block 250, and the second connecting rod and the connecting rod fixing block are rotatably and fixedly connected. When the support wheel is contracted, the force is applied to the connection portion of the first link and the second link, so that the first link and the second link rotate with each other, thereby driving the support rod to rotate along the support pin, and shrinking the expansion plate Into the telescopic cavity, the post on the support wheel can be placed into the card slot, so that the support wheel can be stored in the bottom of the vehicle body to prevent the support wheel from rotating, so that the user can use the electric balance car to travel.

When the support wheel is contracted, the force is applied to the connection portion of the first link and the second link, so that the first link and the second link rotate with each other, thereby driving the support rod to rotate along the support pin, and shrinking the expansion plate Into the telescopic cavity, the post on the support wheel can be placed into the card slot, so that the support wheel can be stored in the bottom of the vehicle body to prevent the support wheel from rotating, so that the user can use the electric balance car to travel.

When the stretchable plate is stretched, the stretchable plate is pulled out from the telescopic cavity, and the support wheel is pulled out, so that the first link and the second link rotate with each other, and the first link and the second link are gradually Straightening, so that the interaction between the first link and the second link serves to support and position the support wheel, preventing the support wheel from rotating with the support pin.

In this embodiment, the support wheel is further provided with a brake pad.

The above is a further detailed description of the present invention in connection with the specific preferred embodiments, and the specific embodiments of the present invention are not limited to the description. For those skilled in the art to which the present invention pertains, a number of simple deductions or alternatives may be made without departing from the inventive concept. All changes should be considered as belonging to the scope of protection of the present invention.

Claims (10)

An electric balance vehicle comprising a vehicle body and a wheel fixed to the vehicle body, wherein the electric balance vehicle further comprises a telescopic plate disposed on the vehicle body and configured to position the telescopic plate a positioning mechanism on the vehicle body, the vehicle body is provided with a telescopic cavity for accommodating the telescopic plate, and the telescopic plate can be telescopically moved in the telescopic cavity, when the telescopic plate is from the telescopic cavity When extending inwardly and outwardly, the telescopic plate portion is located outside the vehicle body. An electric balance vehicle according to claim 1, wherein said positioning mechanism comprises a positioning member provided on said vehicle body, and said telescopic plate is provided with a positioning hole for placing said positioning member. An electric balance vehicle according to claim 2, wherein said vehicle body is provided with a through hole for placing said positioning member, said positioning member comprising a positioning ring, a positioning block, for placing said a body in the through hole and a positioning post for placing into the positioning hole, the positioning post is located at an end of one end of the positioning member, and the positioning block is located at an end of the other end of the positioning member, The positioning ring is located between the positioning post and the body, and terminates in the positioning ring when the positioning post is placed into the positioning hole, the positioning ring is larger than the size of the through hole, and the positioning block is larger than the The size of the through hole is greater than the length of the through hole. When the body is placed in the through hole, the body can move along the length of the through hole in the through hole. And terminate in the positioning block and positioning circle. The electric balance vehicle according to claim 3, wherein the vehicle body is provided at one end of the through hole with a first end surface that cooperates with the positioning block, and the vehicle body is in the communication The other end of the hole is provided with a second end surface, and the positioning mechanism further includes an elastic member disposed between the positioning ring and the second end surface when the body is placed in the through hole. An electric balance vehicle according to claim 4, wherein said elastic member includes a spring for being sleeved to said body. The electric balance vehicle according to claim 5, wherein the through hole is disposed at an opening position of the telescopic cavity, the retractable plate is provided with a sliding slot, and the positioning hole is disposed at the sliding Slot When the telescopic plate is telescopically moved in the telescopic cavity, the sliding slot moves along the positioning post; the telescopic plate is provided with a limiting plate that cooperates with the telescopic cavity, and the limit is The plate is located inside the chute. The electric balance car according to claim 6, wherein the number of the positioning holes is at least two, and two of the positioning holes are respectively disposed at both ends of the sliding groove. The electric balance vehicle according to any one of claims 1 to 7, wherein the telescopic plate is provided with a support wheel that can rotate the support wheel when the electric balance car moves. An electric balance vehicle according to claim 8, wherein said support wheel is retractable to said vehicle body when said extension plate is retracted into said telescopic cavity. The electric balance vehicle according to claim 9, wherein the support wheel is fixedly connected by a support rod and a telescopic plate, and the support rod and the extension plate are fixedly connected by a support pin, and the support rod can be along The support pin rotates, the bottom of the vehicle body is provided with a card slot, and the support wheel is provided with a post for placing into the card slot, when the post is placed into the card slot, the support wheel Shrinked to the bottom of the body; a first link is fixedly connected to the two sides of the support rod, and one end of the first link is rotatably connected to the support rod, and the other end of the first link is rotatably connected with a second link. The second link is rotatably coupled to the telescopic plate.

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