WO2023109602A1 - Automatically foldable wheel and automatically foldable vehicle - Google Patents

Abstract

Disclosed in the present invention are an automatically foldable wheel and an automatically foldable vehicle. A hub is divided into a first structure body, a second structure body and a connection structure body, a first telescopic device is used to control a telescopic spoke to perform a telescopic action, and a second telescopic device is used to control rotary spokes to perform a rotary action, thereby driving the folding and resetting between the first structure body and the connection structure body and between the second structure body and the connection structure body. According to the present invention, when the wheel is folded, folding gaps are provided between the first structure body, the second structure body and the connection structure body by means of controlling the second telescopic device to perform the telescopic action, and then automatic retractable folding of the hub is completed by means of controlling the first telescopic device to perform the telescopic action, such that the convenience of wheel folding is improved; in addition, by means of performing a reverse action when the wheel is reset, the first structure body, the second structure body and the connection structure body can be quickly reset and fixed, such that the stability of the wheel after folding is enhanced.

Description

Automatic folding wheel and automatic folding car technical field

The invention relates to the technical field of wheels, in particular to an automatic folding wheel and an automatic folding vehicle.

Background technique

In order to realize the portable carrying or transportation of vehicles, folding bicycles, mopeds, motorcycles and even cars has become the demand of some users for vehicles. At present, with the development of vehicle process design research, vehicle folding has become a possible realization of vehicles. function.

In the structural design of vehicle folding, there are high requirements for the design of wheel folding. The space occupied by the wheel after folding should be small enough, and the structure should be stable enough after folding and reset. In the past, the folding of wheels usually adopts half-folding or shrinking folding. However, half-folding takes up a lot of space, and the structure of shrinking folding is not stable enough after reset, which affects the experience of using the wheel. Cumbersome and difficult to control. Therefore, how to improve the convenience of wheel folding and enhance the stability after folding is an urgent technical problem to be solved.

The above content is only used to assist in understanding the technical solution of the present invention, and does not mean that the above content is admitted as prior art.

Contents of the invention

The main purpose of the present invention is to provide an automatic folding wheel and an automatic folding vehicle, aiming to solve the technical problems of poor convenience and low stability after folding and reset in the existing wheel folding method.

In order to achieve the above object, the present invention proposes an automatic folding wheel, including a tire, a wheel hub, a plurality of spokes and a rotating shaft, the tire is arranged on the outer periphery of the wheel hub, and the rotating shaft is fixedly arranged on the axis of the wheel hub through a plurality of spokes , the hub includes several hub structures connected in end-to-end contact, the spokes include telescopic spokes and rotating spokes, the hub structure includes a first structure, a second structure and a connecting structure, and the connecting structure It is arranged between the adjacent first structure body and the second structure body; wherein:

The first ends of the telescopic spokes are fixed between adjacent first structures, the second ends of the telescopic spokes are fixed on the rotating shaft, the rotating shaft is provided with a first telescopic device, and the telescopic spokes The second end of the second end cooperates with the first telescopic device to drive the telescopic spoke to perform telescopic action;

The first end of the rotating spoke is fixed to the second structure, the second end of the rotating spoke is connected to the rotating shaft in rotation, the two ends of the connecting structure are provided with a second telescopic device, and the second The telescopic device cooperates with the first structure or the second structure for locking or unlocking the connecting structure and the first structure or the second structure;

The rotating spokes include a plurality of spoke segments that are rotationally connected. When the connecting structure is unlocked from the first structure or the second structure, the first telescopic device drives the telescopic spokes to extend, each The two spoke segments are rotated along the first direction around the rotating joint, so that the rotating spokes are folded; when the connecting structure body is locked with the first structure body or the second structure body, the first structure body A telescoping device drives the telescopic spokes to shorten, and each of the spoke segments rotates around the rotating connection along the second direction, so that the rotating spokes are reset.

In the present invention, the first telescopic device and the second telescopic device are used to provide power for the automatic folding wheel to be folded or reset, so that the stability of the wheel during reset can be ensured on the basis of improving the automatic folding of the wheel.

Optionally, a first telescopic mechanism is provided inside the telescopic spoke, and the first telescopic mechanism is used to cooperate with the first telescopic device to perform a telescopic action, and the second end of the telescopic spoke is provided with a folding drive assembly , the folding drive assembly includes:

a trapezoidal lock block, the trapezoidal lock block is connected to the first telescopic mechanism, and follows the first telescopic mechanism to perform a telescopic action;

A wedge-shaped locking block, the wedge-shaped locking block is connected with the telescopic spokes, and is arranged on both sides of the trapezoidal locking block, the arc surface of the wedge-shaped locking block abuts against the first structure body, and the wedge-shaped locking block The inclined surface of the trapezoidal locking block is in contact with the inclined surface.

In the present invention, the stability of the wheel is improved by utilizing the cooperation of the trapezoidal locking block and the wedge-shaped locking block through the folding driving assembly provided on the first telescopic mechanism.

Optionally, the first telescopic mechanism is a screw barrel, the first telescopic device is a first motor, a first screw is arranged in the screw barrel, and the first motor drives the first screw to rotate, so as to Control the screw barrel to perform telescopic action.

In the present invention, through the cooperation of the first screw of the screw barrel and the first motor, the controllable automatic folding and automatic resetting of the wheel is realized, and the convenience of folding and resetting of the wheel is improved.

Optionally, the motor shaft of the first motor is equipped with a gear, and the motor shaft is rotatably connected to the wheel shaft fixed on the frame, and the gear cooperates with the first screw rod; the telescopic spoke is provided with two motor shafts. brush, the brush is connected to the first motor through a wire, and the wheel shaft is provided with two conductive rings, and the brush is electrically connected to the conductive ring; wherein: one conductive ring is electrically connected to the wheel shaft, and the other The conductive ring is connected with a wire and protrudes from the shaft hole of the wheel shaft.

Optionally, a first spring is provided at the end of the telescopic spoke, and the wedge lock block is connected to the telescopic spoke through the first spring. The block moves toward the axis of the retractable spoke to adjust the contact force between the wedge-shaped lock block and the first structure, and increase the folding space between the wedge-shaped lock block and the first structure.

In the present invention, the contact force between the wedge lock block and the first structural body is adjusted through the first spring arranged between the wedge lock block and the retractable spoke, so as to provide a folding space for the wheel to fold.

Optionally, the trapezoidal lock block is provided with a closed wheel pressure plate, the closed wheel pressure plate is rotatably connected with the trapezoidal lock block, one end of the closed wheel pressure plate is attached to the first structure, and the trapezoidal lock The block drives the closed wheel pressing plate to rotate to adjust the position of the first structure.

In the present invention, the supporting force of the closed wheel is provided for the first structure body of the wheel through the closed wheel pressing plate arranged on the wedge-shaped locking block, so as to facilitate reset.

Optionally, the two end surfaces of the second structural body are respectively provided with a second telescopic mechanism, the second telescopic mechanism is a threaded hole, the second telescopic device is a second motor, and the second motor passes through the The blue screw rod cooperates with the threaded hole to realize the folding or reset of the rotating spoke.

In the present invention, the flange screw rod connected with the second motor through the threaded hole realizes the controllable automatic folding and automatic resetting of the wheel, and improves the convenience of the folding and resetting of the wheel.

Optionally, the end surfaces of the hub structures are provided with convex structures or concave structures, and the convex structures and concave structures between adjacent hub structures match each other.

In the present invention, the stability between the hub structures is improved by providing a convex structure or a concave structure on the end surface of the hub structures.

Optionally, a groove is provided on the outer periphery of the hub structure, and the position of the end surface of the groove adjacent to the hub structure is corresponding, and a tightening ring surrounding the outer periphery of the hub is provided in the groove, The holding ring fixes the relative position of each hub structure; the holding ring is fixedly connected in the groove of each hub structure.

In the present invention, the outer periphery of the hub structure is provided with a groove surrounding the clamping ring, and the clamping ring is fixed in the groove of each hub structure, so that when the wheel is folded, the position is still stable and it is convenient for quick reset .

Optionally, a second spring is provided at the rotational connection between the rotating spoke and the rotating shaft, and the second spring is used to drive the rotating spoke to rotate in the direction of the retractable spoke when the rotating spoke is folded.

In the present invention, when the rotating spoke is folded, the second spring provided on the rotating shaft provides support force for the rotating and folding of the rotating spoke.

In addition, in order to achieve the above object, the present invention also proposes an automatic folding vehicle, which includes the automatic folding wheels as described above.

In the present invention, by splitting the hub into a first structure body, a second structure body and a connection structure body, the first telescopic device is used to control the telescopic spokes to perform telescopic movements, and at the same time, the second telescopic device is used to control the rotating spokes to perform rotational movements , driving the folding and reset between the first structure and the connection structure and between the second structure and the connection structure. The present invention provides a folding gap between the first structure body, the second structure body and the connecting structure body by controlling the second telescopic device to perform the telescopic action when the wheel is folded, and then controls the first telescopic device to perform the telescopic action to complete the wheel hub The automatic retractable folding improves the convenience of wheel folding. At the same time, by performing the reverse action when the wheel is reset, it can quickly realize the reset and fixation of the first structure, the second structure and the connecting structure, which enhances the stability of the wheel after folding. stability.

Description of drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings that are required in the description of the embodiments or the prior art.

Fig. 1 is the schematic diagram before folding of automatic folding wheel among the present invention;

Fig. 2 is a partial enlarged view of part A of Fig. 1 in the present invention;

Fig. 3 is the structural representation of the cambered surface of wedge block among the present invention;

Fig. 4 is the structural representation of the first motor in the present invention;

Figure 5 is a partially enlarged view of part B of Figure 1 in the present invention;

Fig. 6 is a schematic structural view of the end face of the hub structure in the present invention;

Fig. 7 is a folded schematic diagram of the automatic folding wheel in the present invention.

Explanation of reference numbers:

label	name	label		name
1	tire	3015	Worm gear assembly
2	hub structure	302	Turn the spokes
201	first structure	4	shaft

202	connection structure	401	first telescoping device
203	Second structure	402	gear
2021	Second telescoping device	403	axle
2022	The second telescopic mechanism	404	brushes
3	spokes	405	wire
301	Telescoping spokes	406	Conductive ring
3011	first telescopic mechanism	407	brush holder
3012	folding drive assembly	408	Motor shaft
30121	trapezoidal lock block	5	Hold tight
30122	wedge lock	6	rivet
3013	first spring	7	rubber layer
3014	closed wheel platen	the	the

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

In order to realize the portable carrying or transportation of vehicles, folding bicycles, mopeds, motorcycles and even cars has become the demand of some users for vehicles. At present, with the development of vehicle process design research, vehicle folding has become a possible realization of vehicles. function.

In the structural design of vehicle folding, there are high requirements for the design of wheel folding. The space occupied by the wheel after folding should be small enough, and the structure should be stable enough after folding and reset. In the past, the folding of wheels usually adopts half-folding or shrinking folding. However, half-folding takes up a lot of space, and the structure of shrinking folding is not stable enough after reset, which affects the experience of using the wheel. Cumbersome and difficult to control. Therefore, how to improve the convenience of wheel folding and enhance the stability after folding is an urgent technical problem to be solved.

In order to solve this problem, various embodiments of the self-folding wheel of the present invention are proposed. The automatic folding wheel provided by the present invention splits the hub into a first structure body, a second structure body and a connecting structure body, uses the first telescopic device to control the telescopic spokes to perform telescopic actions, and at the same time, utilizes the second telescopic device to control the rotating spokes to perform The turning action drives the folding and reset between the first structure and the connecting structure and between the second structure and the connecting structure. The present invention provides a folding gap between the first structure body, the second structure body and the connecting structure body by controlling the second telescopic device to perform the telescopic action when the wheel is folded, and then controls the first telescopic device to perform the telescopic action to complete the wheel hub The automatic retractable folding improves the convenience of wheel folding. At the same time, by performing the reverse action when the wheel is reset, it can quickly realize the reset and fixation of the first structure, the second structure and the connecting structure, which enhances the stability of the wheel after folding. stability.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only used to explain the relationship between the components in a certain posture (as shown in the accompanying drawings). Relative positional relationship, movement conditions, etc., if the specific posture changes, the directional indication will also change accordingly.

In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

Referring to Fig. 1, Fig. 1 is a schematic view before folding of the automatic folding wheel of the present invention.

As shown in Figure 1, in the embodiment, the automatic folding wheel comprises: tire 1, wheel hub 2, some spokes 3 and rotating shaft 4, tire 1 is arranged on the outer periphery of wheel hub 2, and rotating shaft 4 is fixedly arranged on the wheel hub 2 through several spokes 3 axis.

In practical application, the hub 2 includes several hub structures that are connected end to end. The spokes include telescopic spokes 301 and rotating spokes 302. The hub structures include a first structure 201, a second structure 203, and a connecting structure 202. The structure body 202 is disposed between the adjacent first structure body 201 and the second structure body 203 .

It should be noted that the number of the first structure body 201, the second structure body 203 and the connection structure body 202 can be specifically set according to the situation. When the occupied volume is relatively high, as many hub structures as possible can be provided, so that the larger wheel can occupy a smaller volume after being folded.

In some embodiments, the first structure body 201, the second structure body 203 and the connection structure body 202 are all covered with rubber on the outside, and the first structure body 201, the second structure body 203 and the connection structure body 202 are provided with tires. 1 The inner ring surface matches the tire groove.

Further, the tire 1 is provided with a tire lock hole, and a hollow shaft is arranged in the tire lock hole, and the first structure body 201, the second structure body 203 and the connecting structure body 202 are provided with a structure body lock corresponding to the tire lock hole. hole.

In this embodiment, there are four first structure bodies 201, four second structure bodies 203, two telescopic spokes 301, and four telescopic spokes 302. When there are multiple second structures 203 , connecting structures 202 can be provided between each second structure 203 to realize the connection and folding between the second structures 202 and the second structures 202 .

Specifically, the first end of the telescopic spoke 301 is fixed between adjacent first structures 201, the second end of the telescopic spoke 301 is fixed on the rotating shaft, and the rotating shaft is provided with a first telescopic device 401, and the second end of the telescopic spoke 301 is The end cooperates with the first telescopic device 401 to drive the telescopic spoke 301 to perform telescopic action.

The first end of the rotating spoke 302 is fixed to the second structure 203, the second end of the rotating spoke 302 is connected to the rotating shaft 4 in rotation, and the two ends of the connecting structure 202 are provided with a second telescopic device 2021 in the body, and the second telescopic device 2021 and The first structure body 201 or the second structure body 203 cooperates for locking or unlocking the connection structure body 202 and the first structure body 201 or the second structure body 203 .

The rotating spoke 302 includes a plurality of rotatably connected spoke segments. When the connecting structure 202 is unlocked with the first structure 201 or the second structure 203, the first telescopic device 401 drives the telescopic spoke 301 to extend, and each spoke segment rotates and connects Rotate along the first direction, so that the rotating spoke 302 is folded; when the connecting structure 202 is locked with the first structure 201 or the second structure 203, the first telescopic device 401 drives the retractable spoke 301 to shorten, and each spoke segment Rotate along the second direction around the rotating joint to reset the rotating spoke 302 .

It should be noted that the hub structure 2 can be a structure of any shape, such as a sector or any polygon with an arc on one side, as long as several hub structures 2 connected end-to-end contact can form a hub, all within the description of the present invention , which is not limited in this embodiment. In this embodiment, the hub structures 2 are sector-shaped, and each sector-shaped hub structure 2 is connected end-to-end to form a ring-shaped hub.

Referring to Fig. 2, Fig. 2 is a partially enlarged view of part A of the automatic folding wheel.

As shown in Figure 2, in some embodiments, a first telescopic mechanism 3011 is provided inside the telescopic spoke 301, and the first telescopic mechanism 3011 is used to cooperate with the first telescopic device 401 to perform a telescopic action, and the telescopic The second end of the spoke is provided with a folding drive assembly 3012 .

Further, the folding drive assembly 3012 includes: a trapezoidal lock block 30121 and a wedge lock block 30122, the trapezoidal lock block 30121 is connected to the first telescopic mechanism 3011, and follows the first telescopic mechanism to perform a telescopic action; the wedge lock The block 30122 is connected with the telescopic spoke 301 and is arranged on both sides of the trapezoidal lock block 30121 . As shown in Figure 3, the curved surface of the wedge-shaped lock block 30122 abuts against the first structure body 201, and the two match to realize the self-locking function. The ramps of the block 30121 are in contact.

Specifically, the first telescopic mechanism 3011 is a screw barrel, the first telescopic device 401 is a first motor, and a first screw is arranged in the screw barrel, and the first motor drives the first screw to rotate, so as to Control the screw barrel to perform telescopic action. The trapezoidal lock block 30121 is fixed on the screw barrel, the first screw barrel cannot rotate, and can only move up and down under the rotation of the first screw to realize telescopic action.

As shown in Figure 4, in this embodiment, the first motor is equipped with a gear 402, the wheel shaft 403 is fixed on the vehicle frame and connected to the motor shaft 408 in rotation, the wheel shaft is stationary in the motor shaft, and the motor shaft rotates to drive the wheels Execute the folding action, two electric brushes 404 are installed on the telescopic spoke 301, two electric brushes are fixed on the electric brush holder 407, two electric wires 405 are arranged on the electric brush, electric wire 405 is connected to the first motor, simultaneously with the wheel shaft 403 The two conductive rings 406 are electrically connected, one conductive ring 406 is electrically connected to the wheel shaft, and the other conductive ring 406 is electrically connected to a wire 405, and the wire goes out through the shaft hole. Through the setting of the first motor, power is supplied to the first telescopic mechanism, so as to realize the telescopic action of the telescopic spoke 301 .

It should be noted that the other end of the first screw is provided with a worm gear assembly 3015, a gear is installed on the hollow shaft of the first motor, the gear meshes with the gear on the worm, and the worm and the worm cooperate to realize the first motor to the screw barrel. Driven to realize the telescopic action of moving up and down.

It is easy to understand that the end of the telescopic spoke 301 can be provided with a first spring 3013, on this basis, the wedge-shaped lock block 30122 is connected with the telescopic spoke 301 through the first spring 3013, and the trapezoidal lock block 30121 When performing telescopic action, the wedge lock block 30122 is driven to move in the axial direction of the telescopic spoke 301 to adjust the contact force between the wedge lock block and the first structure 201 and increase the contact force between the wedge lock block 30122 and the first structure body 201 . The folding space between the first structures 201 is adjusted, and the width of the gap is adjusted to provide space for the wheel to fold.

At the same time, the trapezoidal locking block 30121 is provided with a closing wheel pressing plate 3014, the closing wheel pressing plate 3014 is rotationally connected with the trapezoidal locking block 30121, and one end of the closing wheel pressing plate 3014 is attached to the first structure 201, When the trapezoidal locking block 30121 moves downward, that is, when the contraction action is performed, the wedge-shaped locking block 30122 is driven to drive the closed wheel pressing plate 3014 to rotate, so as to adjust the position of the first structure 201 and drive the first structure 201 to move downward. It is beneficial to the closed wheel process after the wheel shrinks.

Referring to Fig. 5, Fig. 5 is a partially enlarged view of part B of the automatic folding wheel.

As shown in Figure 5, in some embodiments, the two end faces of the second structure 203 are respectively provided with a second telescopic mechanism 2022, the second telescopic mechanism 2022 is a threaded hole, and the second telescopic device 2021 is a first Two motors, the second motor cooperates with the threaded hole through the flange screw to realize the folding or reset of the rotating spokes 302 .

One end of the second motor is provided with a return spring, and the other end is provided with a second screw rod, the second screw rod is a flange screw rod, and the flange screw rod cooperates with the threaded hole to realize folding or reset of the rotating spokes 302 .

In order to achieve better stability between the hub structures 2 , a convex structure or a concave structure is provided on the end surface of the hub structures 2 , and the convex structures and the concave structures between adjacent hub structures match each other.

Further, as shown in FIG. 6 , a rubber layer 7 is provided on the end surface of the hub structures 2 to maintain the stability when adjacent hub structures 2 are docked.

Further, in order to maintain the relative position between the hub structures 2, the outer circumference of the hub structure 2 is provided with a groove, and the position of the end surface of the groove adjacent to the hub structure 2 corresponds, and the groove A tightening ring 5 surrounding the outer circumference of the hub is provided inside, and the tightening ring 5 fixes the relative position of each hub structure 2 .

It is easy to understand that the fixing method of the holding ring in the groove can be riveted by using rivets 6, or any other physical fixing method, such as welding.

It should be noted that a second spring is provided at the rotational connection between the rotating spoke and the rotating shaft, and the second spring is used to drive the rotating spoke 302 to rotate in the direction of the retractable spoke when the rotating spoke 302 is folded.

Working principle of automatic folding wheels:

During automatic folding, the second motor in the connection structure 202 is reversed, so that the flange screw of the connection structure 202 is separated from the threaded hole in the second structure 203, and then the first motor works to drive the first screw to rotate. The screw barrel moves upwards, and the rotating spokes 302 are conveniently rotated in the direction of the telescopic spokes 301 under the action of the second spring, until the screw barrel moves upwards to the highest point, and the folding is completed, as shown in Figure 7, the schematic diagram of the automatic folding wheel after folding .

During automatic reset, the first motor works in reverse, driving the first screw to rotate, the screw barrel moves downward, and then the trapezoidal locking block 30121 moves downward, the closed wheel pressing plate 3014 drives the first structure body 201 to move downward, and the wedge-shaped locking block 30122 moves in the opposite direction to the central axis of the telescopic spoke 301 until the screw barrel moves down to the lowest point, the wedge-shaped lock block 30122 locks the first section of the structure, the second motor in the connection structure 202 rotates forward, and locks the second The structure 203 is reset.

In this embodiment, an automatic folding wheel is provided. By splitting the hub into the first structure body 201, the second structure body 203 and the connection structure body 202, the first telescopic device 401 is used to control the telescopic spokes 301 to perform telescopic movements. At the same time, the second telescopic device 2021 is used to control the rotating spoke 302 to perform a rotating action, driving the folding or reset of the first structure 201 and the connecting structure 202 as well as the second structure 203 and the connecting structure 202 . The present invention provides a folding gap between the first structure body 201, the second structure body 203 and the connecting structure body 202 by controlling the second telescopic device 2021 to perform the telescopic action when the wheel is folded, and then controls the first telescopic device 401 to perform the telescopic action , to complete the automatic retractable folding of the wheel hub, which improves the convenience of wheel folding, and at the same time, when the wheel is reset, by performing the reverse action, the reset of the first structure 201, the second structure 203 and the connection structure 202 can be quickly realized And fixed, enhance the stability of the wheel after folding.

In yet another embodiment, an automatic folding vehicle is also provided, and the automatic folding vehicle includes the automatic folding wheels described above.

The automatic folding vehicle also includes an energy supply battery and a control assembly, the energy supply battery is connected to the first motor and the second motor through wires to provide power for the automatic folding and automatic reset of the automatic folding wheel, and the control assembly is used to provide The first motor and the second motor send control instructions to drive the first motor and the second motor to perform corresponding actions, so as to realize automatic folding and automatic reset of the automatic folding vehicle.

In this embodiment, an automatic folding vehicle is provided. When the automatic folding vehicle is self-folding, the wheels can be automatically folded to ensure that the folded automatic folding vehicle occupies a small enough space.

The above are only preferred embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process conversion made by using the description of the present invention and the contents of the accompanying drawings, or directly or indirectly used in other related technical fields , are all included in the scope of patent protection of the present invention in the same way.

Claims (10)

1. An automatic folding wheel, comprising a tire, a wheel hub, several spokes and a rotating shaft, the tire is arranged on the outer periphery of the wheel hub, and the rotating shaft is fixedly arranged on the axis of the wheel hub through several spokes, it is characterized in that the wheel hub It includes several hub structures connected end to end, the spokes include telescopic spokes and rotating spokes, the hub structures include a first structure, a second structure and a connecting structure, and the connecting structures are arranged adjacent between the first structure and the second structure; where:

   The first ends of the telescopic spokes are fixed between adjacent first structures, the second ends of the telescopic spokes are fixed on the rotating shaft, the rotating shaft is provided with a first telescopic device, and the telescopic spokes The second end of the second end cooperates with the first telescopic device to drive the telescopic spoke to perform telescopic action;

   The first end of the rotating spoke is fixed to the second structure, the second end of the rotating spoke is connected to the rotating shaft in rotation, the two ends of the connecting structure are provided with a second telescopic device, and the second The telescopic device cooperates with the first structure or the second structure for locking or unlocking the connecting structure and the first structure or the second structure;

   The rotating spokes include a plurality of spoke segments that are rotationally connected. When the connecting structure is unlocked from the first structure or the second structure, the first telescopic device drives the telescopic spokes to extend, each The two spoke segments are rotated along the first direction around the rotating joint, so that the rotating spokes are folded; when the connecting structure body is locked with the first structure body or the second structure body, the first structure body A telescoping device drives the telescopic spokes to shorten, and each of the spoke segments rotates around the rotating connection along the second direction, so that the rotating spokes are reset.
2. The automatic folding wheel according to claim 1, characterized in that, a first telescopic mechanism is provided in the telescopic spoke, and the first telescopic mechanism is used to cooperate with the first telescopic device to perform telescopic action, and the The second end of the telescopic spoke is provided with a folding drive assembly, which includes:

   a trapezoidal lock block, the trapezoidal lock block is connected to the first telescopic mechanism, and follows the first telescopic mechanism to perform a telescopic action;

   A wedge-shaped locking block, the wedge-shaped locking block is connected with the telescopic spokes, and is arranged on both sides of the trapezoidal locking block, the arc surface of the wedge-shaped locking block abuts against the first structure body, and the wedge-shaped locking block The inclined surface of the trapezoidal locking block is in contact with the inclined surface.
3. The automatic folding wheel according to claim 2, characterized in that, the first telescopic mechanism is a screw barrel, the first telescopic device is a first motor, a first screw is arranged in the screw barrel, and the first A motor drives the first screw to rotate, so as to control the screw barrel to perform telescopic action.
4. The automatic folding wheel according to claim 3, characterized in that, the motor shaft of the first motor is equipped with a gear, and the motor shaft is rotatably connected to the wheel shaft fixed on the vehicle frame, and the gear is connected to the first screw Cooperate; the telescopic spokes are provided with two brushes, the brushes are connected to the first motor through wires, the axle is provided with two conductive rings, and the brushes are electrically connected to the conductive rings; wherein: one The conductive ring is electrically connected with the wheel shaft, and the other conductive ring is connected with a wire and protrudes from the shaft hole of the wheel shaft.
5. The self-folding wheel according to claim 2, wherein a first spring is provided at the end of the telescopic spoke, the wedge-shaped lock block is connected to the telescopic spoke through the first spring, and the trapezoidal lock When the block performs telescopic action, the wedge lock block is driven to move in the axial direction of the telescopic spoke, so as to adjust the contact force between the wedge lock block and the first structure body, and increase the contact force between the wedge lock block and the first structure. The folding space between structures.
6. The self-folding wheel according to claim 4, wherein the trapezoidal lock block is provided with a closed wheel pressure plate, the closed wheel pressure plate is rotatably connected with the trapezoidal lock block, and one end of the closed wheel pressure plate is attached to For the first structure, the trapezoidal locking block drives the closed wheel pressing plate to rotate to adjust the position of the first structure.
7. The automatic folding wheel according to claim 1, characterized in that, the two end surfaces of the second structural body are respectively provided with second telescopic mechanisms, the second telescopic mechanisms are threaded holes, and the second telescopic devices are The second motor cooperates with the threaded hole through the flange screw to realize the folding or reset of the rotating spokes.
8. The self-folding wheel according to claim 1, wherein grooves are provided on the outer periphery of the hub structure, and the positions of the end faces of the grooves adjacent to the hub structure are corresponding, and the grooves are provided with There is a tightening ring around the outer periphery of the hub, and the relative position of each hub structure is fixed by the tightening ring; the tightening ring is fixedly connected in the groove of each hub structure; the The end surface of the hub structure is provided with a convex structure or a concave structure, and the convex structure and the concave structure between adjacent hub structures match each other.
9. The automatic folding wheel according to claim 1, wherein a second spring is provided at the rotational connection between the rotating spoke and the rotating shaft, and the second spring is used to drive the rotating spoke to expand and contract when the rotating spoke is folded. The spoke direction turns.
10. The automatic folding vehicle is characterized in that the automatic folding vehicle comprises the automatic folding wheel according to any one of claims 1-9.

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