Bicycle rear wheel power assisting structure

Abstract

The utility model relates to the technical field of bicycles, in particular to a bicycle rear wheel power assisting structure which comprises a bicycle rear wheel. The bicycle rear wheel is formed by connecting a rear wheel body and a rear wheel gear. A connecting column is fixed to the outer wall of the rear wheel gear, and a power-assisted gear is fixed to the outer wall of the connecting column. According to the bicycle rear wheel power assisting device, power assisting can be conducted on a bicycle rear wheel, for a long journey or an uphill road section, the riding efficiency of a rider is improved, the fatigue degree of the rider is reduced, and the existing requirements can be met through power assisting conducted on the bicycle rear wheel.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycles, in particular to a bicycle rear wheel power-assisting structure. Background Art

[0002] Bicycles, also known as bicycles or bikes, are usually two-wheeled small land vehicles. After people ride on the bicycle, they use pedals as power. It is a green and environmentally friendly means of transportation. As an environmentally friendly, healthy and economical means of transportation, bicycles have always been loved by the majority of users. However, traditional bicycles are completely driven by human pedals, which often makes the riders feel tired easily for long-distance travel or uphill sections, thus affecting the riders' riding efficiency and cannot meet existing needs.

[0003] Therefore, a bicycle rear wheel power-assisting structure is proposed. Utility Model Content

[0004] The utility model aims to provide a bicycle rear wheel power-assisting structure.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A bicycle rear wheel power-assisting structure, comprising:

[0007] bicycle rear wheel;

[0008] The bicycle rear wheel is formed by a rear wheel body and a rear wheel gear connected to each other;

[0009] A connecting column is fixed to the outer wall of the rear wheel gear, and a power-assisting gear is fixed to the outer wall of the connecting column;

[0010] The power-assisting gear is meshed with a driving gear, and the driving gear is driven by a motor.

[0011] Preferably, the motor is fixed to the frame of the bicycle by a mounting seat.

[0012] Preferably, a driving rod is fixed to the output end of the motor, and one end of the driving rod is fixed to a driving gear.

[0013] Preferably, a sealing cover is installed on the top of the mounting seat, and the motor is located inside the sealing cover.

[0014] Preferably, a connecting ear is fixed on the outer wall of the sealing cover, a first connecting hole is formed on the top of the connecting ear, and a second connecting hole matching with the first connecting hole is formed on the top of the mounting seat;

[0015] The first connecting hole and the second connecting hole are provided with threaded parts;

[0016] A limit plate is fixed on the top of the threaded member, and a limit ring is threadedly connected to the outer wall of the threaded member;

[0017] The limiting plate abuts against the connecting ear, and the limiting ring abuts against the mounting seat.

[0018] Preferably, a battery and an oil storage tank are installed at the bottom of the mounting seat, and the oil storage tank is filled with lubricating oil;

[0019] An oil pump is installed inside the oil storage tank, and a first oil pipe is installed at the outlet end of the oil pump, which penetrates the oil storage tank and is located above the rear wheel gear;

[0020] The outer wall of the first oil pipe is provided with a second oil pipe located above the power-assisting gear;

[0021] The storage battery is electrically connected to the motor and the oil pump.

[0022] Preferably, a heat dissipation port is provided on the outer wall of the sealing cover, a connection frame is fixed to the outer wall of the sealing cover, and the heat dissipation port is located inside the connection frame;

[0023] A plurality of inclined blocking bars are fixed at one end of the connection frame.

[0024] Compared with the prior art, the beneficial effects of the utility model are:

[0025] The utility model starts the motor, and the motor drives the driving gear to rotate through the driving rod. Since the driving gear is meshed with the power-assisting gear, the driving gear cooperates with the power-assisting gear to drive the rear wheel gear to rotate, and finally achieves the purpose of assisting the rear wheel body. Compared with the existing ones, the utility model can assist the rear wheel of the bicycle. For long-distance travel or uphill sections, by assisting the rear wheel of the bicycle, the riding efficiency of the rider is improved, and the fatigue of the rider is reduced, which can meet the existing needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0027] Figure 2 It is a partial structural schematic diagram of the utility model;

[0028] Figure 3 This is a schematic diagram of the sealing cover structure in the utility model;

[0029] Figure 4 It is a schematic diagram of the structure of the threaded member in the utility model.

[0030] In the figure: 1. rear wheel body; 2. rear wheel gear; 3. connecting column; 4. power gear; 5. mounting seat; 6. drive rod; 7. drive gear; 8. battery; 9. oil storage tank; 10. first oil pipe; 11. second oil pipe; 12. sealing cover; 13. heat dissipation port; 14. connecting frame; 15. inclined baffle; 16. connecting ear; 17. first connecting hole; 18. second connecting hole; 19. threaded part; 20. limit plate; 21. limit ring. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0032] In order to better understand the above technical solution, the above technical solution will be described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0033] Embodiment 1:

[0034] See also Figure 1-3 The utility model provides a technical solution: To achieve the above purpose, the utility model provides the following technical solutions: A bicycle rear wheel power-assisting structure, comprising: a bicycle rear wheel; the bicycle rear wheel is formed by a rear wheel body 1 and a rear wheel gear 2 connected to each other; a connecting column 3 is fixed to the outer wall of the rear wheel gear 2, and a power-assisting gear 4 is fixed to the outer wall of the connecting column 3; the power-assisting gear 4 is meshed with a driving gear 7, and the driving gear 7 is driven by a motor, and the motor is fixed to the frame of the bicycle by a mounting seat 5, and a driving rod 6 is fixed to the output end of the motor, and one end of the driving rod 6 is fixed to the driving gear 7, and a sealing cover 12 is installed on the top of the mounting seat 5, The motor is located inside the sealing cover 12, and a battery 8 and an oil storage tank 9 are installed at the bottom of the mounting seat 5. The oil storage tank 9 is filled with lubricating oil; an oil pump is installed inside the oil storage tank 9, and a first oil pipe 10 is installed at the outlet end of the oil pump, which passes through the oil storage tank 9 and is located above the rear wheel gear 2; a second oil pipe 11 is installed on the outer wall of the first oil pipe 10 and is located above the power-assisting gear 4; the battery 8 is electrically connected to the motor and the oil pump, a heat dissipation port 13 is opened on the outer wall of the sealing cover 12, a connecting frame 14 is fixed to the outer wall of the sealing cover 12, and the heat dissipation port 13 is located inside the connecting frame 14; a plurality of inclined baffle bars 15 are fixed at one end of the connecting frame 14.

[0035] Specifically, the utility model starts the motor, and the motor drives the driving gear 7 to rotate through the driving rod 6. Since the driving gear 7 is meshed with the power-assisting gear 4, the driving gear 7 cooperates with the power-assisting gear 4 to drive the rear wheel gear 2 to rotate, and finally achieves the purpose of assisting the rear wheel body 1. Compared with the existing ones, the utility model can assist the rear wheel of the bicycle. For long-distance travel or uphill sections, by assisting the rear wheel of the bicycle, the riding efficiency of the rider is improved, and the fatigue of the rider is reduced, which can meet the existing needs.

[0036] By installing a sealing cover 12 on the top of the mounting seat 5, and the motor is located inside the sealing cover 12, the sealing cover 12 can prevent the motor from being invaded by rainwater and exposed to the sun, thereby improving the working efficiency of the motor;

[0037] By starting the oil pump, under the action of the oil pump, the lubricating oil inside the oil storage tank 9 will drip onto the surfaces of the rear wheel gear 2 and the power-assisting gear 4 through the first oil pipe 10 and the second oil pipe 11, respectively, so as to lubricate the rear wheel gear 2 and the power-assisting gear 4, thereby improving the working efficiency of the rear wheel gear 2 and the power-assisting gear 4, and also replacing the traditional manual lubrication method, which is convenient to use;

[0038] By opening a heat dissipation port 13 on the outer wall of the sealing cover 12, a connecting frame 14 is fixed to the outer wall of the sealing cover 12, the heat dissipation port 13 is located inside the connecting frame 14, and a plurality of inclined baffles 15 are fixed at one end of the connecting frame 14. The heat dissipation port 13 can improve the heat dissipation efficiency of the motor, avoid excessive temperature of the motor, and improve the working efficiency and service life of the motor. Under the action of the connecting frame 14 and the inclined baffles 15, rainwater can be prevented from entering the motor, and the motor can be prevented from being affected by rainwater.

[0039] Embodiment 2:

[0040] See also Figure 1 , 2 4. The utility model provides a technical solution: a bicycle rear wheel power-assisting structure, a connecting ear 16 is fixed to the outer wall of the sealing cover 12, a first connecting hole 17 is opened on the top of the connecting ear 16, and a second connecting hole 18 matching the first connecting hole 17 is opened on the top of the mounting seat 5; a threaded member 19 is arranged in the first connecting hole 17 and the second connecting hole 18; a limiting plate 20 is fixed to the top of the threaded member 19, and a limiting ring 21 is threadedly connected to the outer wall of the threaded member 19; the limiting plate 20 abuts against the connecting ear 16, and the limiting ring 21 abuts against the mounting seat 5.

[0041] Specifically, the sealing cover 12 can be disassembled by disassembling the limit ring 21 and then taking out the threaded member 19 from the first connecting hole 17 and the second connecting hole 18. Therefore, the utility model facilitates the disassembly of the sealing cover 12, thereby facilitating the maintenance of the motor.

[0042] Working principle:

[0043] First, by starting the motor, the motor drives the driving gear 7 to rotate through the driving rod 6. Since the driving gear 7 is meshed with the power-assisting gear 4, the driving gear 7 cooperates with the power-assisting gear 4 to drive the rear wheel gear 2 to rotate, and finally achieves the purpose of assisting the rear wheel body 1. Compared with the existing ones, the utility model can assist the rear wheel of the bicycle. For long-distance travel or uphill sections, by assisting the rear wheel of the bicycle, the riding efficiency of the rider is improved, and the fatigue of the rider is reduced, which can meet the existing needs;

[0044] By installing a sealing cover 12 on the top of the mounting seat 5, and the motor is located inside the sealing cover 12, the sealing cover 12 can prevent the motor from being invaded by rainwater and exposed to the sun, thereby improving the working efficiency of the motor;

[0045] By starting the oil pump, under the action of the oil pump, the lubricating oil inside the oil storage tank 9 will drip onto the surfaces of the rear wheel gear 2 and the power-assisting gear 4 through the first oil pipe 10 and the second oil pipe 11, respectively, so as to lubricate the rear wheel gear 2 and the power-assisting gear 4, thereby improving the working efficiency of the rear wheel gear 2 and the power-assisting gear 4, and also replacing the traditional manual lubrication method, which is convenient to use;

[0046] By opening a heat dissipation port 13 on the outer wall of the sealing cover 12, a connection frame 14 is fixed to the outer wall of the sealing cover 12, the heat dissipation port 13 is located inside the connection frame 14, and a plurality of inclined baffles 15 are fixed to one end of the connection frame 14. The heat dissipation port 13 can improve the heat dissipation efficiency of the motor, prevent the motor temperature from being too high, and improve the working efficiency and service life of the motor. In addition, under the action of the connection frame 14 and the inclined baffles 15, rainwater can be prevented from entering the motor, and the motor can be prevented from being affected by rainwater.

[0047] Secondly, by disassembling the limit ring 21 and then taking out the threaded member 19 from the first connecting hole 17 and the second connecting hole 18, the sealing cover 12 can be disassembled. Therefore, the utility model facilitates the disassembly of the sealing cover 12, thereby facilitating the maintenance of the motor.

[0048] In the description of the present invention, it should be understood that the terms "center", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the scope of protection of the present invention.

[0049] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A bicycle rear wheel power assist structure, characterized in that: include: bicycle rear wheel; The bicycle rear wheel is formed by a rear wheel body (1) and a rear wheel gear (2) connected to each other; A connecting column (3) is fixed on the outer wall of the rear wheel gear (2), and a power-assisting gear (4) is fixed on the outer wall of the connecting column (3); The power-assisting gear (4) is meshed with a driving gear (7), and the driving gear (7) is driven by a motor.

2. A bicycle rear wheel power assist structure according to claim 1, characterized in that: The motor is fixed on the frame of the bicycle via a mounting seat (5).

3. A bicycle rear wheel power assist structure according to claim 1, characterized in that: A driving rod (6) is fixed to the output end of the motor, and one end of the driving rod (6) is fixed to a driving gear (7).

4. A bicycle rear wheel power assist structure according to claim 2, characterized in that: A sealing cover (12) is installed on the top of the mounting seat (5), and the motor is located inside the sealing cover (12).

5. A bicycle rear wheel power assist structure according to claim 4, characterized in that: A connecting ear (16) is fixed on the outer wall of the sealing cover (12), a first connecting hole (17) is formed on the top of the connecting ear (16), and a second connecting hole (18) matching with the first connecting hole (17) is formed on the top of the mounting seat (5); The first connecting hole (17) and the second connecting hole (18) are provided with screw threads (19); A limit plate (20) is fixed on the top of the threaded member (19), and a limit ring (21) is threadedly connected to the outer wall of the threaded member (19); The limiting plate (20) abuts against the connecting ear (16), and the limiting ring (21) abuts against the mounting seat (5).

6. A bicycle rear wheel power assist structure according to claim 2, characterized in that: A battery (8) and an oil storage tank (9) are installed at the bottom of the mounting seat (5), and lubricating oil is contained in the oil storage tank (9); An oil pump is installed inside the oil storage tank (9), and a first oil pipe (10) is installed at the outlet end of the oil pump, penetrating the oil storage tank (9) and located above the rear wheel gear (2); The outer wall of the first oil pipe (10) is provided with a second oil pipe (11) located above the power-assisting gear (4); The storage battery (8) is electrically connected to the motor and the oil pump.

7. A bicycle rear wheel power assist structure according to claim 4, characterized in that: A heat dissipation port (13) is provided on the outer wall of the sealing cover (12), a connection frame (14) is fixed to the outer wall of the sealing cover (12), and the heat dissipation port (13) is located inside the connection frame (14); A plurality of inclined blocking bars (15) are fixed to one end of the connection frame (14).

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