Folding scooter

Abstract

The utility model relates to the technical field of scooters, and particularly discloses a folding scooter which comprises a chassis frame, a seat and a backrest, the front side of the bottom of the chassis frame is connected with a front wheel assembly through a reversing assembly, and the rear side of the bottom of the chassis frame is connected with a rear wheel assembly through a motor driving assembly. A power supply assembly electrically connected with the motor driving assembly is arranged on the rear side of the bottom of the chassis frame. The reversing assembly upwards penetrates through the chassis frame and is connected with a foldable operating rod; the seat is connected to the chassis frame in a foldable mode through the support assembly. The bracket assembly is connected with a pull rope assembly which is used for conveniently pulling and folding the seat below the seat; according to the folding type chassis frame, an operator can conveniently and rapidly place the seat, the backrest and the operating rod on the chassis frame in a folding mode, operation is easy, the use experience of a user is improved, and the folding type chassis frame has high practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of scooters, in particular to a foldable scooter. Background Art

[0002] As the name suggests, a mobility scooter is a small vehicle produced for the purpose of transportation. Mobility scooters include scooters, bicycles, electric vehicles and other small vehicles.

[0003] With the continuous development and progress of modern society, people pay more and more attention to environmental protection. In order to protect the earth's environment, people advocate green travel, so mobility scooters are greatly praised. In addition, such mobility scooters are also an indispensable necessity for people with limited mobility. However, although the existing mobility scooters are smaller in size than cars, they are still inconvenient to carry. Therefore, people began to think of ways to make mobility scooters foldable to facilitate transportation and carrying. However, the existing folding scooters cannot quickly fold the seats, joysticks and backrests, which requires users to waste a lot of time and has a poor user experience. In order to solve this problem, the present application discloses a foldable mobility scooter. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model discloses a foldable walking vehicle.

[0005] To achieve the above object, the utility model is implemented through the following technical solutions: a foldable scooter, comprising a chassis frame, a seat and a backrest, the bottom front side of the chassis frame is connected to a front wheel assembly through a reversing assembly, the bottom rear side of the chassis frame is connected to a rear wheel assembly through a motor drive assembly, and the bottom rear side of the chassis frame is provided with a power supply assembly electrically connected to the motor drive assembly;

[0006] The reversing assembly passes upward through the chassis frame and is connected to a foldable joystick;

[0007] The seat is foldably connected to the chassis frame via a bracket assembly;

[0008] The bracket assembly is connected to a pull rope assembly under the seat for facilitating the folding of the seat;

[0009] The backrest is foldably connected to the rear side of the seat.

[0010] Further preferably, the front wheel assembly comprises an arc tube, two front wheel bodies, two first U-shaped members and two cylinders, the two front wheel bodies are rotatably connected to the two first U-shaped members respectively, the two cylinders are rotatably arranged in the two first U-shaped members respectively, and the two cylinders are connected by the arc tube;

[0011] The reversing assembly includes a sleeve, a reversing shaft, a connecting piece, a torsion screw and two connecting rods. The sleeve is fixed to one side of the chassis frame. Bearings are respectively installed at the upper and lower ends of the sleeve. The lower end of the joystick passes through the sleeve and the two bearings and is connected to the connecting piece. The top of the joystick is connected to a first cylinder. Two connecting rods connect the two first U-shaped parts to the connecting piece respectively. The upper end of the joystick is connected to a steering wheel, and the lower end of the joystick is connected to a second cylinder. The contacting surfaces of the first cylinder and the second cylinder are both provided with mutually meshing teeth. The inner centers of the first cylinder and the second cylinder are respectively provided with internal threaded columns. When the torsion screw is screwed into or out of the internal threaded columns of the first cylinder and the second cylinder, the first cylinder and the second cylinder are fixed or separated.

[0012] It is further preferred that the rear wheel assembly comprises two rear wheel bodies, and the two rear wheel bodies are respectively arranged at the bottom of the chassis frame;

[0013] The motor drive assembly includes a power motor, a coupling and a drive axle, which are all arranged at the bottom of the chassis frame. The power motor is connected to the drive axle through the coupling, and the two rear wheel bodies are coaxially connected through the drive axle.

[0014] Further preferably, the bracket assembly includes two side plates, two second U-shaped members, two first diagonal bracing plates and two second diagonal bracing plates, the two side plates are relatively fixed on both sides of the bottom of the seat, and the two second U-shaped members are relatively arranged on both sides above the chassis frame;

[0015] Wherein, the inner side of the side plate is provided with a first hinge shaft, a second hinge shaft and a clamping shaft, and the inner side of the U-shaped member is provided with a third hinge shaft and a fourth hinge shaft;

[0016] The first diagonal support plate is hinged to the first hinge shaft and the third hinge shaft;

[0017] The second diagonal support plate is hinged to the second hinge shaft and the fourth hinge shaft on the inner side of the first diagonal support plate;

[0018] The bottom of the first diagonal support plate is provided with a first clamping groove matching with the fourth hinge shaft, the top of the first diagonal support plate is provided with a second clamping groove matching with the clamping shaft, and a limit block is protrudingly provided on one side above the first diagonal support plate, and the limit block limits the movement between the second hinge shaft and the clamping shaft.

[0019] It is further preferred that the pull rope assembly includes a rope body and two pull plates, the two pull plates are respectively fixed on the first diagonal support plate, and the two pull plates are each provided with a third clamping groove corresponding to the second clamping groove, and the two pull plates are provided with mounting plates bent outwardly, and the rope body is connected between the two mounting plates.

[0020] It is further preferred that a first frame is provided at the bottom of the seat, two rings are fixed to the rear side of the first frame at a distance from each other, a second frame is provided on the rear side of the backrest, armrests are connected to the left and right side pipes of the second frame respectively, the lower pipe of the second frame is inserted in the two rings, bolts are screwed on the lower pipe of the second frame corresponding to the two rings respectively, and sliding grooves are provided on the upper surfaces of the two rings to make way for the bolts to slide.

[0021] Further preferably, the power supply assembly includes a lithium battery, and a downwardly recessed battery slot is provided on the chassis frame, and the lithium battery is arranged in the battery slot.

[0022] Further preferably, the front and rear sides of the chassis frame are respectively connected to a first handle and a second handle.

[0023] The utility model achieves the following beneficial effects:

[0024] The present application can facilitate operators to quickly fold the seat, backrest and operating lever and place them on the chassis frame, which is relatively simple to operate, improves the user experience and has strong practicality.

[0025] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] The accompanying drawings herein are incorporated in and constitute a part of the specification, illustrate embodiments consistent with the disclosure of the utility model, and together with the description, are used to explain the principles of the disclosure.

[0027] Figure 1 It is a schematic diagram of the opening structure disclosed in the utility model;

[0028] Figure 2 This is a schematic diagram of the folding structure disclosed in the utility model;

[0029] Figure 3 This is a schematic diagram of the structure of the front wheel assembly disclosed in the utility model;

[0030] Figure 4 This is a schematic diagram of the rear wheel assembly structure disclosed in the utility model;

[0031] Figure 5 This is a schematic diagram of the backrest structure disclosed in the utility model;

[0032] Figure 6 This is a schematic diagram of the structure of the bracket assembly disclosed in the utility model;

[0033] Figure 7 This is a schematic diagram of the open structure of the bracket assembly disclosed in the utility model;

[0034] Figure 8 It is a schematic diagram of the folding structure of the bracket assembly disclosed in the utility model. DETAILED DESCRIPTION

[0035] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0036] In the description of the present invention, it should be understood that terms such as "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0037] Example

[0038] In order to make the scooter be folded quickly and improve the user experience, refer to Figure 1-8 As shown, the present application discloses a foldable scooter, comprising a chassis frame 10, a seat 20 and a backrest 30, wherein the bottom front side of the chassis frame is connected to a front wheel assembly 50 via a reversing assembly 40, the bottom rear side of the chassis frame is connected to a rear wheel assembly 80 via a motor drive assembly 70, and a power supply assembly 90 electrically connected to the motor drive assembly is provided at the bottom rear side of the chassis frame;

[0039] The reversing assembly is connected with a foldable operating rod 60 through the chassis frame upward;

[0040] The seat is foldably connected to the chassis frame via a bracket assembly 100;

[0041] The bracket assembly is connected to a pull rope assembly 110 under the seat for facilitating the folding of the seat;

[0042] The backrest is foldable and connected to the rear side of the seat.

[0043] The front wheel assembly of the present application comprises an arc tube 54, two front wheel bodies 51, two first U-shaped members 52 and two cylinders 53. The two front wheel bodies are rotatably connected to the two first U-shaped members respectively, and the two cylinders are rotatably arranged in the two first U-shaped members respectively, and the two cylinders are connected by the arc tube.

[0044] The reversing assembly includes a sleeve 41, a reversing shaft 42, a connecting piece 43, a torsion screw 46 and two connecting rods 44. The sleeve is fixed on one side of the chassis frame. Bearings 411 are installed at the upper and lower ends of the sleeve respectively. The lower end of the joystick passes through the sleeve and the two bearings and is connected to the connecting piece. The upper part of the joystick is connected to the first cylinder 45. The two connecting rods connect the two first U-shaped parts to the connecting piece respectively. The upper end of the joystick is connected to the steering wheel 62, and the lower end of the joystick is connected to the second cylinder 63. The contacting surfaces of the first cylinder and the second cylinder are both provided with mutually meshing teeth 632, 452. The inner centers of the first cylinder and the second cylinder are respectively provided with internal threaded columns 631, 451. When the torsion screw is screwed into or out of the internal threaded columns of the first cylinder and the second cylinder, the first cylinder and the second cylinder are fixed or separated.

[0045] When the user performs the reversing operation, the user drives the joystick through the steering wheel to make the reversing shaft rotate in the pipe sleeve. During this process, the connecting piece will drive the front wheel body to rotate on the cylinder through the connecting rod. Since the direction of the front wheel body changes, the purpose of reversing is achieved.

[0046] When the operating rod is to be folded, the operator loosens the twist screw rod to make the screw rod separate from the first cylinder, and then the operator can rotate the operating rod to fold it.

[0047] The rear wheel assembly of the present application comprises two rear wheel bodies 81, and the two rear wheel bodies are respectively arranged at the bottom of the chassis frame;

[0048] The motor drive assembly includes a power motor 71, a coupling 72 and a drive axle 73. The power motor, the coupling and the drive axle are all arranged at the bottom of the chassis frame. The power motor is connected to the drive axle through the coupling. The two rear wheels are coaxially connected through the drive axle. With the cooperation of the power motor, the coupling and the drive axle, the two rear wheels will rotate, thereby enabling the scooter to move.

[0049] The bracket assembly of the present application includes two side plates 101, two second U-shaped members 102, two first diagonal bracing plates 108 and two second diagonal bracing plates 109, the two side plates are relatively fixed on both sides of the bottom of the seat, and the two second U-shaped members are relatively arranged on both sides above the chassis frame;

[0050] The first hinge axis 103, the second hinge axis 104 and the clamping axis 105 are arranged on the inner side of the side plate, and the third hinge axis 106 and the fourth hinge axis 107 are arranged on the inner side of the U-shaped member.

[0051] The first diagonal support plate is hinged to the first hinge shaft and the third hinge shaft;

[0052] The second diagonal support plate is hinged to the second hinge shaft and the fourth hinge shaft on the inner side of the first diagonal support plate;

[0053] A first clamping groove 1081 cooperating with the fourth hinge shaft is provided at the bottom of the first diagonal support plate, a second clamping groove 1082 cooperating with the clamping shaft is provided at the top of the first diagonal support plate, and a limit block 1083 is protrudingly provided on one side above the first diagonal support plate, and the limit block limits the movement between the second hinge shaft and the clamping shaft.

[0054] refer to Figure 7 As shown, when the seat is opened, the two first diagonal support plates and the two second diagonal support plates are rotated by pushing the seat upward. After the opening is completed, the first clamping grooves of the two first diagonal support plates are clamped in the fourth hinge shaft, the second clamping grooves of the two first diagonal support plates are clamped in the clamping shaft and the limit block abuts against the second hinge shaft.

[0055] refer to Figure 8 As shown, when the seat is folded, the two first diagonal support plates are pulled downward by the pull rope assembly, and the two first diagonal support plates and the two second diagonal support plates are rotated respectively. After the folding is completed, the first clamping grooves of the two first diagonal support plates will be disengaged from the fourth hinge shaft, the second clamping grooves of the first diagonal support plates will be disengaged from the clamping shaft, and the limit block will abut against the clamping shaft.

[0056] The pull rope assembly includes a rope body 112 and two pull plates 111. The two pull plates are respectively fixed on the first diagonal support plate, and the two pull plates are provided with a third clamping groove 1111 corresponding to the second clamping groove. The two pull plates are bent outward with mounting plates 1112, and the rope body is connected between the two mounting plates. When the operator pulls the rope body, the two pull plates will pull the first diagonal support plate to rotate.

[0057] A first frame 21 is provided at the bottom of the seat, two collars 22 are fixed to the rear side of the first frame, a second frame 31 is provided at the rear side of the backrest, armrests 32 are connected to the left and right pipes of the second frame, the lower pipe of the second frame is inserted into the two collars, bolts 311 are respectively screwed to the lower pipe of the second frame corresponding to the two collars, and the upper surfaces of the two collars are provided with slide grooves 221 for the bolts to slide.

[0058] When folding the backrest, pull the backrest toward the seat, and the bolt will slide in the slide slot until it reaches one end of the slide slot, completing the folding;

[0059] When opening the backrest, pull the backrest away from the seat, and the bolt will slide in the slide slot until it reaches the other end of the slide slot to complete the opening.

[0060] Specifically, the power supply component of the present application includes a lithium battery. A downwardly recessed battery slot (not marked) is provided on the chassis frame. The lithium battery is arranged in the battery slot. During specific use, the lithium battery will power the power motor. In addition, if other electrical components are provided in the present application, they can also be powered by the lithium battery.

[0061] In order to facilitate the operator to pull the mobility scooter, the present application connects the first handle 110 and the second handle 120 to the front and rear sides of the chassis frame respectively. During actual use, the user can pull the mobility scooter away at the front and rear sides through the first handle and the second handle.

[0062] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0063] The above embodiments are only for illustrating the technical concept and features of the utility model, and their purpose is to enable technicians familiar with the technical field to understand the content of the utility model and implement it accordingly, and they cannot be used to limit the protection scope of the utility model. Any equivalent changes or modifications made according to the spirit of the utility model should be included in the protection scope of the utility model.

Claims

1. A foldable scooter, characterized in that: The vehicle comprises a chassis frame, a seat and a backrest, wherein the bottom front side of the chassis frame is connected to a front wheel assembly via a reversing assembly, the bottom rear side of the chassis frame is connected to a rear wheel assembly via a motor drive assembly, and the bottom rear side of the chassis frame is provided with a power supply assembly electrically connected to the motor drive assembly; The reversing assembly passes upward through the chassis frame and is connected to a foldable joystick; The seat is foldably connected to the chassis frame via a bracket assembly; The bracket assembly is connected to a pull rope assembly under the seat for facilitating the folding of the seat; The backrest is foldably connected to the rear side of the seat.

2. A folding scooter according to claim 1, characterized in that: The front wheel assembly comprises an arc tube, two front wheel bodies, two first U-shaped members and two cylinders, the two front wheel bodies are rotatably connected to the two first U-shaped members respectively, the two cylinders are rotatably arranged in the two first U-shaped members respectively, and the two cylinders are connected by the arc tube; The reversing assembly includes a sleeve, a reversing shaft, a connecting piece, a torsion screw and two connecting rods. The sleeve is fixed to one side of the chassis frame. Bearings are respectively installed at the upper and lower ends of the sleeve. The lower end of the joystick passes through the sleeve and the two bearings and is connected to the connecting piece. The top of the joystick is connected to a first cylinder. Two connecting rods connect the two first U-shaped parts to the connecting piece respectively. The upper end of the joystick is connected to a steering wheel, and the lower end of the joystick is connected to a second cylinder. The contacting surfaces of the first cylinder and the second cylinder are both provided with mutually meshing teeth. The inner centers of the first cylinder and the second cylinder are respectively provided with internal threaded columns. When the torsion screw is screwed into or out of the internal threaded columns of the first cylinder and the second cylinder, the first cylinder and the second cylinder are fixed or separated.

3. A folding scooter according to claim 1, characterized in that: The rear wheel assembly comprises two rear wheel bodies, and the two rear wheel bodies are respectively arranged at the bottom of the chassis frame; The motor drive assembly includes a power motor, a coupling and a drive axle, which are all arranged at the bottom of the chassis frame. The power motor is connected to the drive axle through the coupling, and the two rear wheel bodies are coaxially connected through the drive axle.

4. A folding scooter according to claim 1, characterized in that: The bracket assembly includes two side plates, two second U-shaped members, two first diagonal bracing plates and two second diagonal bracing plates, the two side plates are relatively fixed on both sides of the bottom of the seat, and the two second U-shaped members are relatively arranged on both sides above the chassis frame; Wherein, the inner side of the side plate is provided with a first hinge shaft, a second hinge shaft and a clamping shaft, and the inner side of the U-shaped member is provided with a third hinge shaft and a fourth hinge shaft; The first diagonal support plate is hinged to the first hinge shaft and the third hinge shaft; The second diagonal support plate is hinged to the second hinge shaft and the fourth hinge shaft on the inner side of the first diagonal support plate; The bottom of the first diagonal support plate is provided with a first clamping groove matching with the fourth hinge shaft, the top of the first diagonal support plate is provided with a second clamping groove matching with the clamping shaft, and a limit block is protrudingly provided on one side above the first diagonal support plate, and the limit block limits the movement between the second hinge shaft and the clamping shaft.

5. A folding scooter according to claim 4, characterized in that: The pull rope assembly includes a rope body and two pull plates, the two pull plates are respectively fixed on the first diagonal support plate, and the two pull plates are each provided with a third clamping groove corresponding to the second clamping groove. The two pull plates are provided with mounting plates bent outwardly, and the rope body is connected between the two mounting plates.

6. The foldable scooter according to claim 1, characterized in that: A first frame is provided at the bottom of the seat, two rings are fixedly provided on the rear side of the first frame at a distance, a second frame is provided on the rear side of the backrest, armrests are respectively connected to the left and right side pipes of the second frame, the lower pipe of the second frame is inserted in the two rings, bolts are respectively screwed on the lower pipe of the second frame corresponding to the two rings, and sliding grooves are provided on the upper surfaces of the two rings to make way for the bolts to slide.

7. The foldable scooter according to claim 1, characterized in that: The power supply assembly includes a lithium battery. The chassis frame is provided with a downwardly recessed battery slot, and the lithium battery is arranged in the battery slot.

8. The foldable scooter according to claim 1, characterized in that: The front and rear sides of the chassis frame are respectively connected to a first handle and a second handle.

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