Rear wheel structure of scooter and scooter

Abstract

The utility model relates to the technical field of scooters, in particular to a rear wheel structure of a scooter and the scooter, the rear wheel structure comprises a frame, a hub motor and an anti-roll wheel; wherein the frame comprises two side rods which are oppositely arranged in the width direction, two connecting rods are connected between the two side rods, the two connecting rods are arranged in the length direction in a spaced mode, an installation space is formed between the two connecting rods, the hub motor is arranged in the installation space, and a hub of the hub motor is located on the central axis of the frame. According to the rear wheel structure, the hub motor is arranged on the central axis of the frame, the thrust and the driving direction are always in the same direction in the driving process, the rear wheel structure cannot deviate towards one side in the driving process, the safety coefficient is high, a differential mechanism does not need to be installed on the rear wheel structure, and the rear wheel structure is simple in structure and convenient to use. The whole weight of the scooter is reduced, and the requirement of the market for light weight of products is met.

Description

Technical Field

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

[0002] Scooters are common means of transportation and are currently often used by people with mobility difficulties. They are a convenient means of transportation. Disabled people with leg defects and the elderly with unsteady walking can improve their mobility and independence by using scooters, which brings convenience to themselves and others. In addition, some patients with temporary mobility difficulties also need scooters as means of transportation before surgery or during the recovery period, which brings great convenience to their daily independent activities.

[0003] Existing scooters usually adopt dual rear-wheel drive or single rear-wheel drive. When a dual-rear-wheel-drive scooter turns, the turning radius of the outer rear wheel is larger than that of the inner rear wheel. Therefore, existing dual-rear-wheel-drive scooters usually need to use a differential to adjust the rotational speed difference between the inner and outer rear wheels so that the rotational speed of the outer wheel is higher than that of the inner wheel, enabling the inner and outer rear wheels to turn smoothly without interfering with each other. However, due to the complex structure of the differential, it will increase the overall weight of the scooter, which does not meet the lightweight design of the scooter.

[0004] For a single-rear-wheel-drive scooter, there is always an angle between the thrust and the driving direction during driving, and the user always deviates to one side during driving, affecting driving and having a low safety factor. Summary of the Utility Model

[0005] The utility model aims to provide a technical solution to solve the above problems in order to overcome the above deficiencies.

[0006] A rear wheel structure of a scooter includes a frame, a hub motor, and anti-roll wheels; wherein, the frame includes two side rods arranged oppositely in the width direction, two connecting rods are connected between the two side rods, the two connecting rods are arranged at intervals in the length direction and form an installation space therebetween, the hub motor is arranged in the installation space, and the hub of the hub motor is located on the central axis of the frame. The number of anti-roll wheels is two, and the two anti-roll wheels are symmetrically arranged on the two side rods respectively.

[0007] As a further scheme of the utility model: two support plates are connected between the two connecting rods, the two support plates are arranged at intervals in the width direction, the two ends of the hub motor are provided with special-shaped shafts, the surface of the special-shaped shaft is composed of two parallel planar parts and two arc-shaped parts respectively connecting both sides of the two planar parts, threads are formed on the two arc-shaped parts, positioning grooves adapted to the special-shaped shafts are opened on the support plates, the special-shaped shafts are clamped into the positioning grooves, and nuts are screwed on the special-shaped shafts, and the nuts are pressed against the surfaces of the support plates.

[0008] As a further solution of the utility model: a support rod is installed in the middle of one of the connecting rods. The support rod has a first extension section extending along the length direction and a second extension section extending obliquely along the vertical direction. A V-shaped rod is also connected between the two side rods, and the kink of the V-shaped rod is connected to the second extension section.

[0009] As a further solution of the utility model: a reinforcing sleeve is sleeved outside the side rod, and a mudguard is detachably installed on the reinforcing sleeve. The mudguard covers the anti-rollover wheel.

[0010] As a further solution of the utility model: a gasket is sleeved on the special-shaped shaft between the support plate and the nut.

[0011] The utility model also provides a scooter, which includes the above-mentioned rear wheel structure, and also includes a seat and a front wheel structure.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows: by arranging the hub motor on the central axis of the vehicle frame, during driving, the thrust and the driving direction are always in the same direction, so it will not deviate to one side during driving, and the safety factor is high. Moreover, this rear wheel structure does not need to install a differential, which reduces the overall weight of the scooter, meets the market demand for product lightweight, makes it more convenient for users to carry, and is more conducive to the endurance of the product.

[0013] Some of the additional aspects and advantages of the utility model will be given in the following description, some will become obvious from the following description, or will be understood through the practice of the utility model. Description of the Drawings

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0015] Figure 1 It is a schematic diagram of the partial structure of the vehicle frame of the utility model.

[0016] Figure 2 It is a schematic diagram of the partial structure of the side rod of the utility model.

[0017] Figure 3 It is a schematic diagram of the partial structure of the V-shaped rod of the utility model.

[0018] Figure 4 It is a schematic diagram of the hub motor structure of the utility model.

[0019] Figure 5It is a schematic structural diagram of the scooter of the present utility model.

[0020] In the figure: 10, rear wheel structure; 20, seat; 30, front wheel structure; 1, frame; 2, hub motor; 3, anti-roll wheel; 11, side rod; 12, connecting rod; 13, support plate; 14, positioning groove; 15, nut; 16, support rod; 17, V-shaped rod; 18, mudguard; 19, gasket; 161, first extension section; 162, second extension section; 21, special-shaped shaft; 211, flat part; 212, arc-shaped surface part; 213, thread. Specific embodiments

[0021] The technical solutions in the embodiments of the present utility model will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1 to 4 , in the embodiment of the present utility model, a rear wheel structure 10 of a scooter includes a frame 1, a hub motor 2 and an anti-roll wheel 3; wherein, the frame 1 includes two side rods 11 arranged opposite to each other in the width direction, and two connecting rods 12 are connected between the two side rods 11. The two connecting rods 12 are arranged at intervals in the length direction and form an installation space therebetween. The hub motor 2 is arranged in the installation space, and the hub of the hub motor 2 is located on the central axis of the frame 1. The number of the anti-roll wheels 3 is two, and the two anti-roll wheels 3 are symmetrically arranged on the two side rods 11 respectively.

[0023] It should be noted that in the rear wheel structure 1 of the present utility model, the two side rods 11 generally extend along the front-rear direction, and the two side rods 11 can be generally spaced apart in the left-right direction and arranged in mirror symmetry. The two side rods 11 are connected by the two connecting rods 12. The side rod 11 and the connecting rod 12 can adopt an integrated structure design, and both can be made of a hollow tubular structure material to reduce the structural weight and processing cost.

[0024] To facilitate the installation of the hub motor, two support plates 13 are connected between the two connecting rods 12. The two support plates 13 are arranged at intervals in the width direction. The two ends of the hub motor 2 are provided with special-shaped shafts 21. The surface of the special-shaped shaft 21 is composed of two parallel plane parts 211 and two arc-shaped parts 212 respectively connecting both sides of the two plane parts 211. Threads 213 are formed on the two arc-shaped parts 212. Positioning grooves 14 adapted to the special-shaped shafts 21 are formed on the support plates 13. The special-shaped shafts 21 are snapped into the positioning grooves 14. Nuts 15 are screwed onto the special-shaped shafts 21, and the nuts 15 are pressed against the surfaces of the support plates 13. When assembling the hub motor 2, one of the arc-shaped parts 212 of the special-shaped shaft 21 is directed towards the bottom of the positioning groove 14, and then the special-shaped shaft 21 is snapped into the positioning groove 14 to ensure that the two plane parts 211 of the special-shaped shaft 21 are in contact with the opposite inner walls of the positioning groove 14. Finally, the nuts 15 are screwed onto the special-shaped shafts 21, and the hub motor 2 can be installed on the support plates 13.

[0025] A support rod 16 is installed in the middle of one of the connecting rods 12. The support rod 16 has a first extension section 161 extending along the length direction and a second extension section 162 extending obliquely in the vertical direction. A V-shaped rod 17 is also connected between the two side rods 11. The bent part of the V-shaped rod 17 is connected to the second extension section 162. In this way, the second extension section 162 of the support rod 16 and the V-shaped rod 17 form a triangular structure, increasing the support strength of the rear wheel structure 1.

[0026] A reinforcing sleeve is sleeved outside the side rod 11. A mudguard 18 is detachably installed on the reinforcing sleeve. The mudguard 18 covers the anti-roll wheel 3. Through the arrangement of the reinforcing sleeve, the support strength of the side rod 11 can be increased, and the service life can be extended. And through the mudguard 18, it is possible to prevent mud from splashing onto the staff during driving.

[0027] A gasket 19 is sleeved between the support plate 13 and the nut 15 on the special-shaped shaft 21. Through the arrangement of the gasket 19, during the disassembly process, wear caused by direct contact can be prevented.

[0028] Please refer to Figures 1 to 5 , the present utility model also provides a scooter, including the above-mentioned rear wheel structure 1, and further including a seat 20 and a front wheel structure 30. Specifically, the front wheel structure 30 is connected to the first extension section 161 of the support rod 16 of the above-mentioned rear wheel structure 1, and the seat 20 is arranged on the second extension section 162 of the support rod 16. With a scooter having such a structure, during driving, the thrust and the driving direction are always in the same direction, and it will not deviate to one side during driving, with a high safety factor. And the rear wheel structure 1 does not need to install a differential, reducing the overall weight of the scooter, meeting the market demand for product lightweight. Product lightweight is more convenient for users to carry and is more conducive to the endurance of the product.

[0029] For those skilled in the art, it is obvious that the present utility model is not limited to the details of the above-mentioned exemplary embodiments, and the present utility model can be implemented in other specific forms without departing from the spirit or basic characteristics of the present utility model. Therefore, from any point of view, the embodiments should be regarded as exemplary and non-limiting. The scope of the present utility model is defined by the appended claims rather than the above description. Therefore, all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be embraced within the present utility model.

Claims

1. The rear wheel structure of a scooter, characterized in that, It includes a frame, a hub motor and anti-roll wheels; Among them, the frame includes two side rods arranged opposite to each other in the width direction. There are two connecting rods connected between the two side rods. The two connecting rods are arranged at intervals in the length direction and form an installation space therebetween. The hub motor is arranged in the installation space, and the hub of the hub motor is located on the central axis of the frame. The number of anti-roll wheels is two, and the two anti-roll wheels are symmetrically arranged on the two side rods respectively.

2. The rear wheel structure of the scooter according to claim 1, characterized in that: There are two support plates connected between the two connecting rods. The two support plates are arranged at intervals in the width direction. The two ends of the hub motor are provided with special-shaped shafts. The surface of the special-shaped shaft is composed of two parallel plane parts and two arc-shaped parts respectively connecting the two sides of the two plane parts. Threads are formed on the two arc-shaped parts. Positioning grooves adapted to the special-shaped shafts are provided on the support plates. The special-shaped shafts are snapped into the positioning grooves, and nuts are screwed on the special-shaped shafts, and the nuts are pressed against the surfaces of the support plates.

3. The rear wheel structure of the scooter according to claim 1, characterized in that: A support rod is installed in the middle of one of the connecting rods. The support rod has a first extension section extending along the length direction and a second extension section extending obliquely in the vertical direction. A V-shaped rod is also connected between the two side rods, and the kink of the V-shaped rod is connected to the second extension section.

4. The rear wheel structure of the scooter according to claim 1, wherein: Reinforcing sleeves are sleeved on the side rods, and mudguards are detachably installed on the reinforcing sleeves. The mudguards cover the anti-roll wheels.

5. The rear wheel structure of the scooter according to claim 2, characterized in that: A gasket is sleeved on the special-shaped shaft between the support plate and the nut.

6. A mobility scooter, characterized in that, It includes the rear wheel structure according to any one of claims 1 to 5, and also includes a seat and a front wheel structure.

Images