Portable foldable electric bicycle

By designing a detachable power supply mechanism and auxiliary mechanism, the problem of difficult disassembly of lithium batteries in existing foldable electric bicycles has been solved, enabling convenient disassembly and installation of lithium batteries and improving the convenience of maintenance and replacement.

CN223520984UActive Publication Date: 2025-11-07ZHEJIANGJOLLOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202423193451.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-24
Publication Date
2025-11-07
Estimated Expiration
2034-12-24

AI Technical Summary

Technical Problem

The lithium batteries in existing foldable electric bicycles are not easy to remove, making repair and replacement difficult.

Method used

A detachable power supply mechanism is designed. The lithium battery is connected to the positive and negative plugs through positive and negative terminals. It is combined with sealing grooves and sealing strips to provide a waterproof seal and is fixed by elastic straps. The auxiliary mechanism includes handles and hooks to facilitate the removal and installation of the lithium battery.

Benefits of technology

It enables convenient disassembly and installation of lithium batteries, solves the problem of difficulty in repair and replacement, and improves maintenance convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223520984U_ABST
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Abstract

The utility model discloses a portable foldable electric bicycle, and relates to the technical field of electric bicycles, the portable foldable electric bicycle comprises a foldable electric bicycle body, the foldable electric bicycle body comprises a rear frame, a hinge, a crossbeam, a front frame, a driving motor and a controller, the surface of the crossbeam is provided with a placing groove, and the hinge is arranged in the placing groove. The sealing block is matched with the second sealing groove, the sealing strip is matched with the first sealing groove, the waterproof sealing effect is achieved, in the actual use process, the girder can be bound through the elastic binding band, meanwhile, the lithium battery is shielded through the elastic binding band, and the effect of preventing the lithium battery from being disengaged from the interior of the containing groove is achieved. When the lithium battery is damaged or needs to be charged independently, the lithium battery can be separated from the folding electric bicycle body, and the technical problem that an existing folding electric bicycle is not easy to maintain and replace is solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric bicycle technical field, especially a portable foldable electric bicycle. BACKGROUND

[0002] Electric bicycle refers to electromechanical integration personal transport tool with battery as auxiliary energy, installed with motor, controller, battery, handlebar brake handle and display instrument system on the basis of common bicycle; Common bicycle has become people's main means of transport because of its small size, light weight, low price, convenient and fast characteristics, but since the birth of the first electric bicycle in the United States in 1895, electric bicycle as a kind of pollution-free, noiseless, portable and energy-saving transport tool has been more and more favored. With the development of urban roads, the acceleration of people's life rhythm and the improvement of life quality, electric bicycle is loved by women and old people because of its labor saving, safety, speed, economy and practicality, becomes a new fashion of consumption, and compared with car, electric bicycle has the advantages of small energy consumption, no pollution and convenient travel. In the field of electric bicycle, including electric bicycle with folding function, the advantages of electric bicycle, bicycle and folding bicycle are combined, which greatly facilitates people's daily life.

[0003] At present, the existing folding electric bicycle mostly uses the following technologies;

[0004] Battery technology, mostly lithium battery, compared with traditional lead-acid battery, lithium battery has the advantages of high energy density, light weight and long service life, which can provide longer endurance mileage and more stable performance for electric bicycle, making electric bicycle more portable and flexible;

[0005] Power technology, mostly brushless DC motor, brushless DC motor is the mainstream motor scheme of current electric bicycle, which has the advantages of large output torque, high power density, simple control and low cost, and is widely used in various electric bicycles;

[0006] Charging technology, the technology for charging the battery;

[0007] Intelligent control technology, intelligent power control system, adopts intelligent digital synchronous adaptive control scheme, which can automatically adjust the size of motor power according to the pedaling force and speed of the rider, realize intelligent power assist, and make the ride more comfortable and labor-saving;

[0008] Folding structure design technology, the frame is usually connected with different parts by hinging, such as hinge connection between front support and rear support, and fixed and unlocked folding state through locking assembly, common locking assembly includes limiting seat, locking block, etc., through ingenious design to ensure the stability of folding and firmness during use, convenient and fast operation, can quickly realize folding and unfolding.

[0009] At present, the existing folding electric bicycle battery is mostly not easy to disassemble for the overall stability and safety, the not easy to disassemble battery makes the folding electric bicycle have higher structural strength and stability, but the folding electric bicycle with not easy to disassemble battery has the problem of not easy to repair and replace when the battery itself is damaged. The utility model discloses a portable folding electric bicycle

[0010] In view of the defects of the prior art, the utility model provides a portable folding electric bicycle, which solves the problem of not easy to repair and replace of the existing folding electric bicycle.

[0011] To achieve the above object, the utility model discloses the following technical scheme:

[0012] A portable folding electric bicycle, including folding electric bicycle body, folding electric bicycle body includes rear frame, hinge, girder, front frame, drive motor and controller, rear frame and front frame are rotatably connected with wheel, rear frame and girder are hinged through hinge, front frame is rotatably connected with girder, and the surface of girder is provided with placing groove, and the inboard of placing groove is placed with power supply mechanism, and power supply mechanism is fixedly connected with two auxiliary mechanisms, and the side wall of girder is fixedly installed with fixed mechanism, and power supply mechanism includes lithium battery, and auxiliary mechanism includes handle, and fixed mechanism includes connecting block.

[0013] Preferably, the girder is fixedly connected with sealing blocks at both ends of the placing groove, and first sealing grooves are formed at the top of the two inner walls of the placing groove.

[0014] Preferably, the lithium battery is placed on the inboard of the placing groove, and a positive and negative electrode socket is formed at the bottom of the lithium battery.

[0015] Preferably, the inboard of the placing groove is fixedly connected with a positive and negative electrode plug, the positive and negative electrode plug is matched with the positive and negative electrode socket, the positive and negative electrode plug is electrically connected with the controller, and the controller is electrically connected with the drive motor.

[0016] Preferably, the lithium battery is T-shaped, and second sealing grooves are formed at both ends of the lithium battery, and the two second sealing grooves are matched with the two sealing blocks respectively.

[0017] Preferably, sealing strips are fixedly connected at the top of the longer outer walls on both sides of the lithium battery, and the two sealing strips are matched with the two first sealing grooves respectively.

[0018] Preferably, the handle is fixedly connected to the top surface of the lithium battery, and hooks opening upward are fixedly connected at both ends of the two handles.

[0019] Preferably, the connecting block is fixedly connected with the girder, a magic tape wool layer is fixedly connected with a side of the connecting block away from the girder, an elastic band is fixedly connected with a top surface of the connecting block, a magic tape thorn layer is fixedly connected with an end of the elastic band away from the connecting block, and the magic tape thorn layer is matched with the magic tape wool layer.

[0020] Compared with the prior art, the utility model has the advantages of the following:

[0021] One, the application, through the setting up of the separable power supply mechanism, the lithium battery is placed in the inner side of the placing groove, the lithium battery is connected with the positive and negative plug through the positive and negative pole socket, and power is supplied to the controller, thereby providing power for the folding electric bicycle body, in the power supply mechanism installation state, the sealing block cooperates with the second sealing groove, the sealing strip cooperates with the first sealing groove, and the waterproof sealing effect is achieved, and the cooperation of the first sealing groove and the sealing strip can also provide certain damping for the lithium battery in the placing groove, provide damping during the installation of the lithium battery in the placing groove, prevent the lithium battery from being damaged, in the process of actual use, the elastic band can be used to bind the girder, and the elastic band can shield the lithium battery, prevent the lithium battery from separating from the placing groove, the lithium battery of the application can be separated from the placing groove, when the lithium battery of the application is damaged or needs to be charged alone, the lithium battery can be separated from the folding electric bicycle body, and the technical problem that the existing foldable electric bicycle is not easy to maintain and replace is solved.

[0022] Two, the application, by setting up an auxiliary mechanism, the auxiliary mechanism includes a handle and a hook, the handle facilitates lifting the lithium battery, and the hook can be used for hanging articles, so that the application has the advantage of being easy to use. BRIEF DESCRIPTION OF DRAWINGS

[0023] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail in cooperation with the drawings.

[0024] Figure 1 It is the expansion structure diagram of the utility model;

[0025] Figure 2 It is the folding structure diagram of the utility model;

[0026] Figure 3 It is the front frame structure diagram of the utility model;

[0027] Figure 4 It is the fixed mechanism structure diagram of the utility model;

[0028] Figure 5 It is the power supply mechanism structure diagram of the utility model;

[0029] Figure 6The utility model discloses a girder structure diagram

[0030] Figure 7 The utility model discloses Figure 6 A place amplification structure diagram.

[0031] Legend: 1, folding electric bicycle body, 2, power mechanism, 3, auxiliary mechanism, 4, fixed mechanism, 101, rear frame, 102, hinge, 103, girder, 104, front frame, 105, placing groove, 106, sealing block, 107, first sealing groove, 108, positive and negative plug, 201, lithium battery, 202, positive and negative plug, 203, second sealing groove, 204, sealing strip, 301, handle, 302, hook, 401, connecting block, 402, elastic bandage, 403, magic tape thorn layer, 404, magic tape hair layer. Specific embodiments

[0032] The application embodiment provides a portable foldable electric bicycle, and effectively solves the problem that the existing foldable electric bicycle is not easy to maintain and replace.

[0033] Embodiments

[0034] The technical scheme in the application embodiment effectively solves the technical problem that the existing foldable electric bicycle is not easy to maintain and replace, and the general idea is as follows:

[0035] In view of the problems in the prior art, the utility model provides a portable foldable electric bicycle, including folding electric bicycle body 1, folding electric bicycle body 1 including rear frame 101, hinge 102, girder 103, front frame 104, drive motor and controller, rear frame 101 and front frame 104 are rotatably connected with wheel, rear frame 101 is hinged with girder 103 through hinge 102, front frame 104 is rotatably connected with girder 103, and the surface of girder 103 is provided with placing groove 105, and power mechanism 2 is placed in the inner side of placing groove 105, power mechanism 2 is fixedly connected with two auxiliary mechanisms 3, and the side wall of girder 103 is fixedly installed with fixed mechanism 4, power mechanism 2 includes lithium battery 201, auxiliary mechanism 3 includes handle 301, and fixed mechanism 4 includes connecting block 401.

[0036] Girder 103 is fixedly connected with sealing block 106 at both ends of placing groove 105, and the top of the two inner side walls of placing groove 105 is provided with first sealing groove 107.

[0037] Lithium battery 201 is placed on the inner side of placing groove 105, and the bottom of lithium battery 201 is provided with positive and negative plug 202.

[0038] The inner bottom surface of the placing groove 105 is fixedly connected with positive and negative polar plugs 108, which are matched with the positive and negative polar sockets 202, and are electrically connected with the controller, which is electrically connected with the driving motor.

[0039] The lithium battery 201 is in T shape, and second sealing grooves 203 are formed at both ends of the lithium battery 201 and matched with the two sealing blocks 106 respectively.

[0040] The top of the longer outer wall on both sides of the lithium battery 201 is fixedly connected with sealing strips 204, which are matched with the two first sealing grooves 107 respectively.

[0041] The handles 301 are fixedly connected to the top surface of the lithium battery 201, and hooks 302 opening upward are fixedly connected to both ends of the two handles 301.

[0042] The connecting block 401 is fixedly connected with the girder 103, and a magic tape wool layer 404 is fixedly connected to the side of the connecting block 401 away from the girder 103, and an elastic band 402 is fixedly connected to the top surface of the connecting block 401, and a magic tape thorn layer 403 is fixedly connected to the end of the elastic band 402 away from the connecting block 401, and the magic tape thorn layer 403 is matched with the magic tape wool layer 404.

[0043] Working principle:

[0044] Firstly, the folding electric bicycle body 1 is folded by the hinges 102 to the direction of the rear frame 101, and then the magic tape thorn layer 403 and the magic tape wool layer 404 are separated, so that the elastic band 402 binds the girder 103 and the rear frame 101 together, and then the magic tape thorn layer 403 and the magic tape wool layer 404 are pasted together to realize the fixation in the folded state.

[0045] Secondly, the lithium battery 201 is placed in the inner side of the placing groove 105, and the lithium battery 201 is connected with the positive and negative polar sockets 202 and the positive and negative polar plugs 108 to supply power to the controller, and then to provide power for the folding electric bicycle body 1, and in the installed state of the power supply mechanism 2, the sealing blocks 106 are matched with the second sealing grooves 203, and the sealing strips 204 are matched with the first sealing grooves 107 to achieve the waterproof sealing effect, and the cooperation of the first sealing grooves 107 and the sealing strips 204 can also provide certain damping for the lithium battery 201 in the placing groove 105, and provide damping to prevent the lithium battery 201 from being damaged during installation into the placing groove 105, and in the actual use process, the elastic band 402 can bind the girder 103, and the elastic band 402 can also shield the lithium battery 201 to prevent the lithium battery 201 from separating from the placing groove 105.

[0046] The third step, the handle 301 is used to lift the lithium battery 201, the total number of the hooks 302 is four, the hooks 302 can be used to hang the articles, and daily use is facilitated.

[0047] Finally, it should be noted that: apparently, the above embodiments are merely examples for clearly illustrating the utility model, and are not limited to the implementation. For ordinary skilled persons in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to exhaust all the implementation. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.

Claims

1. A portable foldable electric bicycle comprising a foldable electric bicycle body (1) comprising a rear frame (101), a hinge (102), a girder (103), a front frame (104), a drive motor and a controller, characterized in that, The surface of the girder (103) is provided with a placing groove (105), the inside of the placing groove (105) is provided with a power supply mechanism (2), the power supply mechanism (2) is fixedly connected with two auxiliary mechanisms (3), and the side wall of the girder (103) is fixedly installed with a fixing mechanism (4). Wherein, the power supply mechanism (2) includes a lithium battery (201); Wherein, the auxiliary mechanism (3) includes a handle (301); Wherein, the fixing mechanism (4) includes a connecting block (401).

2. A portable, foldable electric bicycle as claimed in claim 1, characterized in that: The girder (103) is fixedly connected with sealing blocks (106) at both ends of the placing groove (105), and the top of the two inner walls of the placing groove (105) is provided with a first sealing groove (107).

3. A portable, foldable electric bicycle as claimed in claim 2, characterized in that: The lithium battery (201) is placed in the placing groove (105), and the bottom of the lithium battery (201) is provided with a positive and negative electrode socket (202).

4. A portable, foldable electric bicycle as claimed in claim 3, characterized in that: The inner bottom surface of the placing groove (105) is fixedly connected with a positive and negative electrode plug (108), and the positive and negative electrode plug (108) is matched with the positive and negative electrode socket (202).

5. A portable, foldable electric bicycle as claimed in claim 4, characterized in that: The lithium battery (201) is T-shaped, and the two ends of the lithium battery (201) are provided with second sealing grooves (203), and the two second sealing grooves (203) are matched with the two sealing blocks (106) respectively.

6. A portable, foldable electric bicycle as claimed in claim 5, characterized in that: The top of the longer outer wall on the two sides of the lithium battery (201) is fixedly connected with a sealing strip (204), and the two sealing strips (204) are matched with the two first sealing grooves (107) respectively.

7. A portable, foldable electric bicycle as claimed in claim 6, characterized in that: The handle (301) is fixedly connected to the top surface of the lithium battery (201), and the two ends of the two handles (301) are fixedly connected with hooks (302).

8. A portable, foldable electric bicycle as claimed in claim 7, characterized in that: The connecting block (401) is fixedly connected with the girder (103), the side of the connecting block (401) away from the girder (103) is fixedly connected with a magic tape wool layer (404), the top surface of the connecting block (401) is fixedly connected with an elastic band (402), one end of the elastic band (402) away from the connecting block (401) is fixedly connected with a magic tape thorn layer (403), and the magic tape thorn layer (403) is matched with the magic tape wool layer (404).