Portable bicycle electric booster with mobile power supply function

Abstract

The utility model provides a portable bicycle electric booster with a mobile power supply function. The portable bicycle electric booster with the mobile power source function comprises a middle shaft, the middle shaft is sleeved with an outer gear ring, the outer gear ring is sleeved with an inner and outer gear ring, inner teeth on the inner and outer gear ring are meshed with outer teeth on the outer gear ring, the inner and outer gear ring is sleeved with a battery pack, and the battery pack is connected with the outer gear ring. The inner and outer gear rings are sleeved with two bearings, the two bearings are located on the two sides of the battery pack respectively, the battery pack is sleeved with a shell, and the inner side of the shell is connected with the outer sides of the bearings. The portable bicycle electric booster with the mobile power source function has the advantages of being convenient to disassemble and assemble, small in occupied space, stable to install and use and high in boosting efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of bicycle boosters, in particular to a portable bicycle electric booster with a mobile power supply function. Background Art

[0002] A bicycle booster is a device used to provide auxiliary power when riding, which can help the rider to ride easily or climb slopes through electricity or other forms of energy conversion.

[0003] However, some bicycle electric boosters have relatively simple functions and lack more innovative functions and intelligent designs, and cannot meet the diverse needs of consumers. In addition, the design of some bicycle electric boosters is too bulky, which increases the overall weight of the bicycle and affects the flexibility and portability of riding.

[0004] Therefore, it is necessary to provide a new portable bicycle electric booster with a mobile power supply function to solve the above technical problems. Utility Model Content

[0005] The technical problem solved by the utility model is to provide a portable bicycle electric booster with a mobile power supply function, which has the advantages of convenient assembly and disassembly, small occupied space, relatively stable installation and use, and high assisting efficiency.

[0006] In order to achieve the above-mentioned purpose, the technical solution of the utility model is specifically implemented as follows:

[0007] The utility model provides a portable bicycle electric booster with a mobile power supply function, comprising: a central axis, an outer gear ring is sleeved on the central axis, inner and outer gear rings are sleeved on the outer gear ring, and the inner teeth on the inner and outer gear rings are meshed with the outer teeth on the outer gear ring, a battery pack is sleeved on the inner and outer gear rings, two bearings are sleeved on the inner and outer gear rings, and the two bearings are respectively located on both sides of the battery pack, and an outer shell is sleeved on the battery pack, and the inner side of the outer shell is connected to the outer side of the bearing.

[0008] As a further solution of the utility model, it is characterized in that the battery pack is fan-shaped, a driving gear is provided on one side of the inner and outer gear rings, and the driving gear is meshed with the outer teeth on the inner and outer gear rings, a motor is provided on one side of the driving gear, and the side of the motor away from the driving gear is connected to the outer shell, a limiting rod is provided on the side of the driving gear away from the motor, and the limiting rod is in contact with the outer shell.

[0009] As a further solution of the utility model, it is characterized in that two sockets are provided on one side of the battery pack, a charging port is opened on the shell, and the two sockets are located inside the charging port.

[0010] As a further solution of the utility model, a plurality of screw rods are arranged on one side of the shell, a mounting ring is provided on a sliding sleeve of the screw rod, and a nut is provided on a threaded sleeve of a side of the screw rod away from the shell.

[0011] As a further solution of the utility model, an L-shaped spring sheet is provided on one side of the mounting ring sheet close to the central axis, a fixing ring is provided at one end of the spring sheet, an opening is provided on one side of the fixing ring, a locking piece is provided on the opening, and the locking piece consists of a bolt and a matching nut.

[0012] As a further solution of the utility model, anti-skid pads are respectively arranged on the inner sides of the outer gear ring and the fixed ring, and the anti-skid pads are arranged in sections. A controller is arranged on the bicycle handlebar for controlling the device.

[0013] As a further solution of the utility model, it is characterized in that a sealing cover is provided on the charging port, and the two sockets are respectively a mobile power socket and a battery pack power supply socket.

[0014] As a further solution of the utility model, a groove is provided on the inner side of the shell, and one end of the limiting rod away from the motor contacts the inner wall of the groove.

[0015] The utility model provides a portable bicycle electric booster with a mobile power supply function, which has the beneficial effects of: by sleeve-arranging the inner and outer gear ring structures on the central axis and driving by the motor, the bicycle can be effectively provided with electric assistance, which is labor-saving and convenient for disassembly and assembly; by arranging the battery pack in a fan shape and arranging the driving gear at the fan-shaped notch, it is conducive to reasonable use of space, improving the compactness of the device structure, and facilitating use; by hiding the two sockets on the battery pack in the charging port, it is convenient to use the shell to protect it, and the battery pack has a mobile power supply function, which is convenient for charging and use; by arranging a plurality of screws on the shell, the installation and fixing position of the fixing ring can be adjusted according to the size of different bicycle frames, and the setting of the nut makes the assembly installation more convenient The invention is firm and improves the overall stability and reliability. The design of the spring sheet can ensure effective shock absorption and firm installation between the shell and the frame, which is beneficial to improving the stability and safety of the device during operation. The arrangement of multiple anti-slip pads can provide additional safety protection for the device. The arrangement of the controller enables the user to conveniently control the operation of the entire device, which improves the operability of the bicycle electric booster. The different function settings of the two sockets on the battery pack facilitate the user to perform charging operations according to needs, which improves the ease of use of the portable bicycle electric booster. The arrangement of the sealing cover can provide protection for the two sockets. By arranging the groove inside the shell and contacting with the limit rod, the activity of the driving gear can be limited, which is beneficial to ensuring the stable operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the oblique appearance structure of the utility model;

[0018] Figure 2 It is a side view of the utility model and a schematic diagram of the cross-sectional structure along the AA line;

[0019] Figure 3 It is a schematic diagram of the exploded structure of each component in the utility model;

[0020] Figure 4 This is a schematic diagram of the assembly structure of the battery pack and the driving gear in the utility model;

[0021] Figure 5It is a schematic diagram of the assembly structure of the internal and external gears and the driving gear in the utility model.

[0022] Numbers in the figure: 1. Central axis; 2. Outer gear ring; 3. Inner and outer gear rings; 4. Battery pack; 5. Bearing; 6. Housing; 7. Driving gear; 8. Motor; 9. Limit rod; 10. Socket; 11. Charging port; 12. Screw; 13. Mounting ring; 14. Nut; 15. Spring sheet; 16. Fixing ring; 17. Locking piece; 18. Anti-slip pad. DETAILED DESCRIPTION

[0023] The exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present disclosure and to fully convey the scope of the present disclosure to those skilled in the art.

[0024] See also Figure 1-Figure 5 The portable bicycle electric booster with mobile power function provided by the embodiment of the utility model comprises: a middle shaft 1, an outer gear ring 2 is sleeved on the middle shaft 1, an inner and outer gear ring 3 is sleeved on the outer gear ring 2, and the inner teeth on the inner and outer gear ring 3 are meshed with the outer teeth on the outer gear ring 2, a battery pack 4 is sleeved on the inner and outer gear ring 3, two bearings 5 ​​are sleeved on the inner and outer gear ring 3, and the two bearings 5 ​​are respectively located on both sides of the battery pack 4, a shell 6 is sleeved on the battery pack 4, and the inner side of the shell 6 is connected to the outer side of the bearing 5. By sleeved the inner and outer gear ring structure on the middle shaft 1 and driven by the motor 8, it can effectively provide electric assistance for the bicycle, save labor and facilitate disassembly and assembly.

[0025] The battery pack 4 is fan-shaped, a driving gear 7 is provided on one side of the inner and outer gear rings 3, and the driving gear 7 is meshed with the outer teeth on the inner and outer gear rings 3, a motor 8 is provided on one side of the driving gear 7, and the side of the motor 8 away from the driving gear 7 is connected to the outer shell 6, a limiting rod 9 is provided on the side of the driving gear 7 away from the motor 8, and the limiting rod 9 is in contact with the outer shell 6. By setting the battery pack 4 in a fan shape and arranging the driving gear 7 at the fan-shaped notch, it is beneficial to rationally utilize space, improve the compactness of the device structure, and facilitate use.

[0026] Two sockets 10 are provided on one side of the battery pack 4, and a charging port 11 is provided on the outer shell 6, and the two sockets 10 are located inside the charging port 11. By hiding the two sockets 10 on the battery pack 4 inside the charging port 11, it is convenient to use the outer shell 6 to protect it, and the battery pack 4 also has a mobile power supply function, which is convenient for charging and use.

[0027] A plurality of screw rods 12 are provided on one side of the outer shell 6, and a mounting ring piece 13 is slidably sleeved on the screw rod 12, and a nut 14 is threadedly sleeved on the side of the screw rod 12 away from the outer shell 6. By arranging a plurality of screw rods 12 on the outer shell 6, the installation and fixing position of the fixing ring 16 can be adjusted according to different sizes of bicycle frames. The setting of the nut 14 makes the assembly installation more secure, thereby improving the overall stability and reliability.

[0028] An L-shaped spring sheet 15 is provided on one side of the mounting ring sheet 13 close to the central axis 1, a fixing ring 16 is provided at one end of the spring sheet 15, an opening is provided on one side of the fixing ring 16, a locking member 17 is provided on the opening, and the locking member 17 is composed of a bolt and a matching nut. The design of the spring sheet 15 can ensure effective shock absorption and stable installation between the housing 6 and the frame, which is beneficial to the stability and safety of the device during operation.

[0029] Anti-skid pads 18 are respectively arranged on the inner sides of the outer gear ring 2 and the fixed ring 16. The anti-skid pads 18 are arranged in sections. A controller is arranged on the bicycle handlebar to control the device. The arrangement of multiple anti-skid pads 18 can provide additional safety protection for the device. The arrangement of the controller enables the user to conveniently control the operation of the entire device, thereby improving the operability of the bicycle electric booster.

[0030] A sealing cover is provided on the charging port 11, and the two sockets 10 are respectively a mobile power socket and a power supply socket of the battery pack 4. Through the different function settings of the two sockets 10 on the battery pack 4, it is convenient for users to perform charging operations according to their needs, thereby improving the usability of the portable bicycle electric booster. The setting of the sealing cover can provide protection for the two sockets 10.

[0031] A groove is provided on the inner side of the shell 6, and the end of the limiting rod 9 away from the motor 8 contacts the inner wall of the groove. By setting the groove inside the shell 6 and contacting the limiting rod 9, the movement of the driving gear 7 can be limited, which is beneficial to ensure the stable operation of the device.

[0032] The working principle of the portable bicycle electric booster with mobile power function provided by the utility model is as follows:

[0033] During installation, remove the chainring on one side of the bicycle, then first fix the outer gear ring 2 on the middle shaft 1 so that it is located on one side of the frame, then sleeve the inner and outer gear rings 3 on the outer gear ring 2, install the battery pack 4 and the driving gear 7, and finally sleeve the outer shell 6 on the outside of the battery pack 4 so that the output end of the motor 8 is connected to the driving gear 7, then select the corresponding position from a plurality of screw rods 12 according to the position of the seat tube, down tube and rear chain fork on the bicycle frame for connection, first sleeve the installation ring piece 13 into the screw rod 12, screw the nut 14, and then sleeve the fixing ring 16 on the corresponding seat tube or down tube or rear chain fork during connection, because the spring piece 15 has a certain elasticity, the spring piece 15 can be used to drive the installation ring piece 13 to slightly adjust the angle, and then use the locking piece 17 to fix the fixing ring 16 on the seat tube or down tube or rear chain fork, and then tighten the nut 14 to fix it on the screw rod 12, and finally install the bicycle chainring so that the device is located between the chainring and the frame, and the device can be directly removed and carried when not in use;

[0034] When in use, the controller of the device can be set on the handlebar of the bicycle, and the motor 8 can be started by manually touching the controller, and the rotation of the motor 8 drives the driving gear 7 to rotate, thereby driving the inner and outer gear rings 3 to rotate, and the outer gear ring 2 also rotates, thereby driving the middle shaft 1 to rotate, and the rotation of the middle shaft 1 drives the bicycle forward;

[0035] During the use of the device, the power level of the battery pack 4 can be checked through the controller on the handlebar. When the power is low, the sealing cover can be opened and the external power supply can be connected to the corresponding socket 10 through the charging port 11 for charging. In addition, when other equipment needs to be temporarily charged during outdoor riding, other equipment can also be temporarily charged through another socket 10. At this time, the battery pack 4 can act as a mobile power source, but due to the limited capacity of the battery pack 4, it is best to use it only for emergency purposes.

[0036] Compared with the related art, the portable bicycle electric booster with mobile power function provided by the utility model has the following beneficial effects:

[0037] The utility model provides a portable bicycle electric booster with a mobile power supply function. By sleeve-arranging an inner and outer gear ring structure on a central axis 1 and driving the same through a motor 8, the electric booster can effectively provide electric power for the bicycle, saves labor and is easy to disassemble and assemble. By arranging the battery pack 4 in a fan shape and arranging a driving gear 7 at the fan-shaped notch, it is beneficial to reasonably utilize space, improve the compactness of the device structure, and facilitate use. By hiding the two sockets 10 on the battery pack 4 in the charging port 11, it is convenient to protect it with a shell 6, and the battery pack 4 has a mobile power supply function, which is convenient for charging and use. By arranging a plurality of screws 12 on the shell 6, the installation and fixing position of the fixing ring 16 can be adjusted according to the size of different bicycle frames. The arrangement of the nut 14 makes the assembly installation more secure. The overall stability and reliability are improved. The design of the spring sheet 15 can ensure effective shock absorption and stable installation between the shell 6 and the frame, which is beneficial to improving the stability and safety of the device during operation. The provision of multiple anti-slip pads 18 can provide additional safety protection for the device. The provision of the controller enables the user to conveniently control the operation of the entire device, thereby improving the operability of the bicycle electric booster. The different function settings of the two sockets 10 on the battery pack 4 facilitate the user to perform charging operations as required, thereby improving the usability of the portable bicycle electric booster. The provision of the sealing cover can provide protection for the two sockets 10. By providing a groove inside the shell 6 and contacting with the limit rod 9, the activity of the driving gear 7 can be limited, thereby ensuring the stable operation of the device.

[0038] The above are only embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various changes and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included within the scope of the claims of the present application.

Claims

1. Portable bicycle electric booster with mobile power function, It is characterized in that include: A central shaft (1), wherein an outer gear ring (2) is sleeved on the central shaft (1), an inner and outer gear ring (3) is sleeved on the outer gear ring (2), and the inner teeth on the inner and outer gear ring (3) are meshed with the outer teeth on the outer gear ring (2), a battery pack (4) is sleeved on the inner and outer gear ring (3), two bearings (5) are sleeved on the inner and outer gear rings (3), and the two bearings (5) are respectively located on two sides of the battery pack (4), and an outer shell (6) is sleeved on the battery pack (4), and the inner side of the outer shell (6) is connected to the outer side of the bearing (5).

2. The portable bicycle electric booster with mobile power function according to claim 1, It is characterized in that The battery pack (4) is fan-shaped, a driving gear (7) is provided on one side of the inner and outer gear rings (3), and the driving gear (7) is meshed with the outer teeth on the inner and outer gear rings (3), a motor (8) is provided on one side of the driving gear (7), and the side of the motor (8) away from the driving gear (7) is connected to the housing (6), and a limiting rod (9) is provided on the side of the driving gear (7) away from the motor (8), and the limiting rod (9) is in contact with the housing (6).

3. The portable bicycle electric booster with mobile power function according to claim 1, It is characterized in that Two sockets (10) are provided on one side of the battery pack (4), a charging port (11) is provided on the housing (6), and the two sockets (10) are located inside the charging port (11).

4. The portable bicycle electric booster with mobile power function according to claim 1, It is characterized in that A plurality of screw rods (12) are arranged on one side of the housing (6), a mounting ring sheet (13) is slidably sleeved on the screw rods (12), and a nut (14) is threadedly sleeved on the side of the screw rods (12) away from the housing (6).

5. The portable bicycle electric booster with mobile power function according to claim 4, It is characterized in that An L-shaped spring sheet (15) is arranged on one side of the mounting ring sheet (13) close to the central axis (1), a fixing ring (16) is arranged on one end of the spring sheet (15), an opening is arranged on one side of the fixing ring (16), a locking member (17) is arranged on the opening, and the locking member (17) is composed of a bolt and a matching nut.

6. The portable bicycle electric booster with mobile power function according to claim 5, It is characterized in that Anti-skid pads (18) are respectively arranged on the inner sides of the outer gear ring (2) and the fixed ring (16), and the anti-skid pads (18) are arranged in sections. A controller is arranged on the bicycle handlebar for controlling the device.

7. The portable bicycle electric booster with mobile power function according to claim 3, It is characterized in that The charging port (11) is provided with a sealing cover, and the two sockets (10) are respectively a mobile power socket and a power supply socket for the battery pack (4).

8. The portable bicycle electric booster with mobile power function according to claim 2, It is characterized in that A groove is provided on the inner side of the housing (6), and one end of the limiting rod (9) away from the motor (8) contacts the inner wall of the groove.

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