Universal frame capable of quickly switching electric vehicle form and bicycle form and bicycle

By designing a universal frame, using quick disassembly screws and clamping components to achieve rapid conversion of electric vehicles and bicycles, it solves the problem that bicycles and electric bicycles cannot convert quickly, and improves the convenience and flexibility of riding.

CN223224471UActive Publication Date: 2025-08-15BEIJING YOUBEILUNCHUANG INTELLIGENT ELECTRONIC TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422464496.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-12
Publication Date
2025-08-15
Estimated Expiration
2034-10-12

AI Technical Summary

Technical Problem

Existing bicycles and electric bikes cannot convert quickly, resulting in poor riding experience, especially inconvenient use when power is insufficient.

Method used

A universal frame is designed, including diagonal braces and risers, with strip grooves and accommodating grooves for mounting the motor and battery, and the rapid removal and replacement of the power system through quick removal of screws and clamping components, combining cross beams and support covers to improve appearance consistency.

Benefits of technology

It realizes rapid conversion of electric bikes and bicycle forms, improves the flexibility and convenience of riding, and meets different riding needs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a general type bicycle frame and a bicycle capable of quickly switching the form of an electric bicycle and the form of a bicycle, the bicycle frame comprises an inclined strut and a vertical pipe, the inclined strut and the vertical pipe are fixedly installed together to form a bicycle frame main body, a strip-shaped groove is formed in the bicycle frame main body, a containing groove is formed in the bottom of the bicycle frame main body, and a motor is installed in the containing groove. A front fork is installed at the top end of the inclined strut, a handlebar is installed at the top of the front fork, a front wheel is installed at the bottom of the front fork, a saddle supporting rod is installed in the vertical pipe, a saddle is installed at the top of the saddle supporting rod, a rear wheel frame is fixedly installed on the vertical pipe, and a rear wheel is installed on the rear wheel frame. According to the utility model, the power system can be quickly disassembled and replaced, so that the purpose of quickly converting the forms of the electric vehicle and the bicycle is realized.
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Description

Technical Field

[0001] The utility model discloses a vehicle frame, in particular to a universal vehicle frame and a bicycle capable of quickly converting between an electric vehicle and a bicycle, belonging to the technical field of personal transportation vehicles. Background Art

[0002] A bicycle is a two-wheeled, human-powered vehicle typically consisting of a frame, wheels, pedals, gears, chains, and brakes. It is a common means of transportation and is also widely used for sports, entertainment, and fitness. As an environmentally friendly, healthy, and convenient means of transportation, bicycles are widely used for transportation and fitness in both urban and rural areas.

[0003] An electric bicycle is a bicycle equipped with an electric power-assist system, which provides electrical assistance, making riding easier and more efficient. The advent of electric bicycles has greatly improved riding comfort and efficiency, making them particularly suitable for long-distance riding, uphill climbing, and commuting. They retain the healthy and environmentally friendly characteristics of bicycles while adding convenience and flexibility.

[0004] Although bicycles and electric bicycles are similar in shape, they are two different things. Although some electric bicycles are also equipped with pedals, they can only be used as an emergency when there is a temporary power outage. They are not suitable for long-term riding. Moreover, riding is very tiring and inconvenient to use. Summary of the Invention

[0005] In response to the above-mentioned shortcomings of the prior art that bicycles and electric bicycles cannot be converted into each other, the utility model provides a universal frame that can quickly convert between electric vehicles and bicycles, which can quickly dismantle and replace the power system, thereby achieving the purpose of quickly converting between electric vehicles and bicycles.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a universal frame that can quickly convert between the form of an electric vehicle and a bicycle, the frame including a diagonal brace and a vertical tube, the diagonal brace and the vertical tube are fixedly installed together to form a frame body, a strip groove is opened in the frame body, and a receiving groove is provided at the bottom of the frame body. A motor is installed in the receiving groove and a battery is installed in the strip groove, then it is an electric bicycle, and an axle sleeve is installed in the receiving groove, then it is a bicycle.

[0007] A bicycle comprising a universal frame as described above that can quickly convert between the forms of an electric vehicle and a bicycle, wherein a front fork is mounted on the top of the diagonal support, a handlebar is mounted on the top of the front fork, a front wheel is mounted on the bottom of the front fork, a seat support rod is mounted in the seat tube, a seat is mounted on the top of the seat support rod, a rear wheel frame is fixedly mounted on the seat tube, and a rear wheel is mounted on the rear wheel frame.

[0008] The technical solution adopted by the utility model to solve its technical problems further includes:

[0009] The motor is connected to a battery slot for installing a battery. The motor is installed in the accommodating slot, and the battery slot is arranged in the strip groove.

[0010] A battery protection cover is installed at the opening of the battery slot.

[0011] A fixing hole is provided at the opening of the accommodating groove, and a mounting screw is provided at the fixing hole. The motor is installed in the accommodating groove through the mounting screw. The motor shaft of the motor extends to the outside of the motor. A fixing piece is fixedly installed on the top of the inner side of the strip groove, and the top of the battery slot is clamped together with the fixing piece through a clamping component.

[0012] The clamping component includes a mounting bracket, an unlocking button, a rotating shaft, a locking buckle, a locking slider and a locking screw. The mounting bracket and the fixing member are installed in the strip groove on the diagonal support through screws. The unlocking button is installed on the mounting bracket through the rotating shaft. A buckle is fixed at the top end of the battery slot, a locking buckle is provided in the fixing member corresponding to the buckle, a locking slider is provided on the side of the locking buckle, and a bevel is provided on one side of the locking slider relative to the locking buckle. A first screw hole is opened on the side of the fixing member corresponding to the position of the locking slider, and a second screw hole is opened on the side of the diagonal support corresponding to the position of the locking slider. The locking screw passes through the second screw hole and the first screw hole to press against the locking slider.

[0013] The frame body also includes a crossbeam, one end of which is connected to the top of the diagonal support, and the other end of which is connected to the top of the vertical pipe.

[0014] A support cover plate is installed in the accommodating groove, and the shaft sleeve is installed on the support cover plate.

[0015] The strip-shaped groove is covered with a decorative cover.

[0016] The mounting screw rod is a quick-release screw rod.

[0017] The beneficial effect of the present invention is that the present invention can quickly dismantle and replace the power system, thereby achieving the purpose of quickly converting the electric vehicle and bicycle.

[0018] The present invention will be further described below with reference to the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of Example 1 of the present utility model.

[0020] Figure 2 This is a schematic diagram of the structure of the first embodiment of the present invention in a disassembled state.

[0021] Figure 3This is a schematic diagram of the three-dimensional structure of the second embodiment of the present utility model.

[0022] Figure 4 This is a schematic diagram of the structure of the second embodiment of the present invention in the exploded state.

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of embodiment three of the present utility model.

[0024] Figure 6 This is a schematic diagram of the structure of the decomposed state of Example 3 of the present utility model.

[0025] Figure 7 This is a schematic diagram of the structure of the partially exploded state of the clamping component in the present invention.

[0026] Figure 8 This is a schematic diagram of the exploded state structure of the clamping component in the present invention from another perspective.

[0027] In the figure, 1- diagonal support, 2- seat tube, 3- crossbeam, 4- front fork, 5- seat support rod, 6- rear wheel frame, 7- accommodating groove, 8- support cover, 9- bushing, 10- quick release screw, 11- decorative cover, 12- bar groove, 13- motor, 14- motor shaft, 15- battery protection cover, 16- battery slot, 17- fixing part, 18- clamping part, 19- mounting frame, 20- unlocking button, 21- rotating shaft, 22- buckle, 23- locking buckle, 24- locking slider, 25- locking screw, 26- first screw hole, 27- second screw hole. DETAILED DESCRIPTION

[0028] This embodiment is a preferred implementation of the present utility model. Other embodiments whose principles and basic structures are the same or similar to those of this embodiment are within the protection scope of the present utility model.

[0029] Please refer to the attached Figure 1 To the attached Figure 8 The utility model mainly protects a universal frame that can quickly convert between electric vehicles and bicycles. It mainly includes a diagonal brace 1 and a vertical tube 2. The diagonal brace 1 and the vertical tube 2 are fixedly installed together to form a frame body. A strip groove 12 is provided in the frame body for placing a battery. A receiving groove 7 is provided at the bottom of the frame body (i.e., the connection between the diagonal brace 1 and the vertical tube 2). The motor 13 is installed in the receiving groove 7, and the battery is installed in the strip groove 12. If it is an electric bicycle, and if the shaft sleeve 9 is installed in the receiving groove 7, it is an ordinary bicycle.

[0030] In this embodiment, the frame body further includes a crossbeam 3, one end of which is connected to the top of the diagonal brace 1, and the other end is connected to the top of the vertical tube 2. That is, the diagonal brace 1, the vertical tube 2 and the crossbeam 3 are connected end to end in sequence to form a triangular frame body. In specific implementation, the crossbeam 3 can also be designed to be approximately parallel to the diagonal brace 1 according to actual needs, or the crossbeam 3 can be simply not provided.

[0031] In this embodiment, a battery slot 16 is connected to the motor 13 and is used to accommodate batteries (not shown). During installation, the motor 13 is installed in the receiving groove 7, and the battery slot 16 is arranged in the strip groove 12. A battery protection cover 15 is installed at the opening of the battery slot 16 to protect the batteries in the battery slot 16. Preferably, the motor 13 and battery slot 16 are integrally provided for easy installation and storage. In practice, the motor 13 and battery slot 16 can also be provided separately.

[0032] In this embodiment, a fixing hole is provided at the opening of the accommodating groove 7, and a mounting screw is provided at the fixing hole. The motor 13 is installed in the accommodating groove 7 via the mounting screw. The motor shaft 14 of the motor 13 extends to the outside of the motor 13 and is connected to the bicycle wheel via a linkage mechanism. The mounting screw is preferably a quick-release screw 10 for easy disassembly and installation. In specific implementation, a conventional screw can also be used. In this embodiment, a fixing member 17 is fixedly installed at the top of the inner side of the strip groove 12. The top of the battery slot 16 is clamped to the fixing member 17 via a clamping member 18, thereby achieving the purpose of installing the battery slot 16 in the strip groove 12.

[0033] In this embodiment, the clamping component 18 mainly includes a mounting frame 19, an unlocking button 20, a rotating shaft 21, a locking buckle 23, a locking slider 24 and a locking screw 25. The mounting frame 19 and the fixing member 17 are installed in the strip groove 12 on the diagonal support 1 together by screws. The unlocking button 20 is installed on the mounting frame 19 through the rotating shaft 21, so that the unlocking button 20 can rotate along the rotating shaft 21. A buckle 22 is fixedly provided at the top end of the battery slot 16, and a locking buckle 23 is provided in the fixing member 17 corresponding to the buckle 22. The locking buckle 23 and the buckle 22 can be clamped together to achieve locking of the battery slot 16. A locking slider 24 is provided on the side of the locking buckle 23. The locking slider 24 is provided with an inclined surface relative to one side of the locking buckle 23. The locking buckle 23 can be pushed by the inclined surface to push the locking buckle 23 downward to lock the buckle 22. In this embodiment, a first screw hole 26 is provided on the side of the fixing member 17 at a position corresponding to the locking slider 24, and a second screw hole 27 is provided on the side of the diagonal support 1 at a position corresponding to the locking slider 24. The locking screw 25 passes through the second screw hole 27 and the first screw hole 26 to press against the locking slider 24. The locking screw 25 can be rotated to push the locking slider 24 to lock the buckle 22.

[0034] In this embodiment, when a conventional bicycle is used, a support cover 8 is installed in the receiving groove 7, and the shaft sleeve 9 is installed on the support cover 8. The support cover 8 not only supports the shaft sleeve 9, but also covers the receiving groove 7, making the appearance of the utility model more consistent and more beautiful. When a conventional bicycle is used, a decorative cover 11 is installed in the strip groove 12, which also makes the appearance of the utility model more consistent and more beautiful.

[0035] In this embodiment, a front fork 4 is installed at the top of the diagonal support 1. The top of the front fork 4 is used to install the handlebar, and the bottom of the front fork 4 is used to install the front wheel.

[0036] In this embodiment, a seat support rod 5 is installed in the vertical pipe 2, and the top of the seat support rod 5 is used for installing a seat.

[0037] In this embodiment, a rear wheel frame 6 is fixedly mounted on the stand pipe 2, and the rear wheel frame 6 is used for mounting the rear wheel.

[0038] The utility model can quickly dismantle and replace the power system, thereby achieving the purpose of quickly converting the electric vehicle and the bicycle.

Claims

1. A universal frame capable of quickly converting between an electric vehicle and a bicycle, characterized by: The frame comprises a diagonal brace (1) and a vertical tube (2), which are fixedly mounted together to form a frame body. A strip groove (12) is provided in the frame body, and a receiving groove (7) is provided at the bottom of the frame body. A motor (13) is installed in the receiving groove (7), and a battery is installed in the strip groove (12), thereby forming an electric bicycle. A shaft sleeve (9) is installed in the receiving groove (7), thereby forming a bicycle.

2. The universal frame capable of quickly converting between an electric vehicle and a bicycle according to claim 1, characterized in that: The motor (13) is connected to a battery slot (16) for installing a battery. The motor (13) is installed in the accommodating slot (7), and the battery slot (16) is arranged in the strip slot (12).

3. The universal frame capable of quickly converting between an electric vehicle and a bicycle according to claim 2, characterized in that: A battery protection cover (15) is installed at the opening of the battery slot (16).

4. The universal frame capable of quickly converting between an electric vehicle and a bicycle according to claim 2, characterized in that: The accommodating groove (7) is provided with a fixing hole at its opening, and a mounting screw is provided at the fixing hole. The motor (13) is installed in the accommodating groove (7) via the mounting screw. The motor shaft (14) of the motor (13) extends to the outside of the motor (13). A fixing member (17) is fixedly installed on the top of the inner side of the strip groove (12), and the top of the battery slot (16) is clamped together with the fixing member (17) via a clamping member (18).

5. The universal frame capable of quickly converting between an electric vehicle and a bicycle according to claim 4, characterized in that: The clamping component (18) includes a mounting frame (19), an unlocking plate (20), a rotating shaft (21), a locking buckle (23), a locking slider (24) and a locking screw (25). The mounting frame (19) and the fixing member (17) are mounted together in the strip groove (12) on the diagonal support (1) by screws. The unlocking plate (20) is mounted on the mounting frame (19) through the rotating shaft (21). A buckle (22) is fixedly provided at the top end of the battery slot (16). The fixing member (17) has a corresponding buckle (23) in its interior. 2) is provided with a locking buckle (23), a locking slider (24) is provided on the side of the locking buckle (23), a bevel is provided on one side of the locking slider (24) relative to the locking buckle (23), a first screw hole (26) is provided on the side of the fixing member (17) at a position corresponding to the locking slider (24), a second screw hole (27) is provided on the side of the diagonal support (1) at a position corresponding to the locking slider (24), and a locking screw (25) passes through the second screw hole (27) and the first screw hole (26) to abut against the locking slider (24).

6. The universal frame capable of quickly converting between an electric vehicle and a bicycle according to claim 1, characterized in that: The frame body further comprises a crossbeam (3), one end of the crossbeam (3) being connected to the top of the diagonal brace (1), and the other end being connected to the top of the vertical pipe (2).

7. The universal frame capable of quickly converting between an electric vehicle and a bicycle according to claim 1, characterized in that: A support cover plate (8) is installed in the accommodating groove (7), and a shaft sleeve (9) is installed on the support cover plate (8).

8. The universal frame capable of quickly converting between an electric vehicle and a bicycle according to claim 1, characterized in that: The strip-shaped groove (12) is covered with a decorative cover (11).

9. The universal frame capable of quickly converting between an electric vehicle and a bicycle according to claim 4, characterized in that: The mounting screw rod is a quick-release screw rod (10).

10. A bicycle comprising a universal frame capable of quickly converting between an electric vehicle and a bicycle as claimed in any one of claims 1 to 9, characterized in that: A front fork (4) is mounted on the top of the diagonal brace (1), a handlebar is mounted on the top of the front fork (4), a front wheel is mounted on the bottom of the front fork (4), a seat support rod (5) is mounted in the riser (2), a seat is mounted on the top of the seat support rod (5), a rear wheel frame (6) is fixedly mounted on the riser (2), and a rear wheel is mounted on the rear wheel frame (6).