Six-shaft pull rod folding electric bicycle

By using a six-axis folding electric bicycle design, combined with lightweight components and a removable battery, the problems of poor storage and shock absorption of traditional electric bicycles are solved, achieving rapid folding and improved portability.

CN223736180UActive Publication Date: 2025-12-30刘怀禹
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Patent Information

Application Number
CN202423306577.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-30
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

Traditional electric bicycles are difficult to store, have poor shock absorption, and have complex folding mechanisms, making it difficult to meet the needs of portability and multiple modes of transportation.

Method used

It adopts a six-axis tie rod folding structure, combined with lightweight design, removable battery and multiple movable connection structures. It achieves quick folding and locking through components such as front fork and rear connecting frame, and uses shock-absorbing tension springs to balance the force and simplify the folding process.

Benefits of technology

It enables the vehicle to quickly switch between riding and folding modes, improving portability and flexibility of use, and enhancing the user's travel experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an electric bicycle, and particularly relates to a six-shaft pull rod folding electric bicycle. Comprising a rear tube seat, a front tube seat is rotatably arranged on the front side of the rear tube seat, a connecting piece is arranged at the top of the front side of the front tube seat, a handle is arranged at the top of the connecting piece, a front fork is movably arranged at the bottom of the front side of the front tube seat, and a front wheel is rotatably arranged at the bottom of the front fork; a first damping tension spring is arranged between the front pipe seat and the front fork, a support is arranged at the top of the rear pipe seat, crank connecting rods are symmetrically arranged on the front side of the top of the support, and a plurality of folding rods are symmetrically arranged on the rear side of the top of the support. A plurality of movable connecting structures are matched with a connecting rod structure, the bicycle is quickly converted from a riding state to a folding state, meanwhile, the compactness after folding is improved due to the fact that the storage battery is detachable, the acting force between the two pipe bases is balanced through the three damping tension springs, and the portability and the use flexibility of the bicycle are greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to electric bicycle technical field, concretely relates to a six axle pull rod folding electric bicycle. BACKGROUND

[0002] With the acceleration of urbanization process and the growth of individual travel demand, people's demand for convenient and efficient traffic tools is increasing, traditional bicycles can meet the basic short-distance travel demand, but there are obvious deficiencies in portability and adaptation to various traffic modes, in order to solve these problems, various types of folding bicycles and electric auxiliary bicycles appear in the market.

[0003] The folding bicycle on the market usually realizes folding function through simple hinge or single point folding mechanism, such design can reduce the size of the vehicle to a certain extent, but still has the problems of large space occupation and inconvenient carrying, in addition, the existing electric bicycles mostly adopt fixed frame, and have the problems of limited battery endurance, heavy weight and high complexity of folding mechanism, especially for those users who need to take the vehicle into the room or public transport tool frequently, the traditional folding mode and heavy design become a big obstacle. SUMMARY

[0004] The utility model discloses a six axle pull rod folding electric bicycle, which solves the problem of poor shock absorption of traditional electric bicycles.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] A six axle pull rod folding electric bicycle is provided, which comprises a rear pipe seat, a front pipe seat rotatably arranged on the front side of the rear pipe seat, a connecting piece arranged on the top of the front side of the front pipe seat, a handle arranged on the top of the connecting piece, a front fork movably arranged on the bottom of the front side of the front pipe seat, a front wheel rotatably arranged on the bottom of the front fork, a first damping tension spring arranged between the front pipe seat and the front fork, a support arranged on the top of the rear pipe seat, a crank link symmetrically arranged on the top front side of the support, a plurality of folding rods symmetrically arranged on the top rear side of the support, a pull rod rotatably arranged on the outer side of the crank link on both sides, a seat plate rotatably arranged on the top of the crank link and the folding rods on both sides, a storage battery arranged between the support and the seat plate, a tripod arranged on the bottom of the front pipe seat, a control box arranged on the front side of the bottom of the rear pipe seat, a rear connecting frame symmetrically arranged on both sides of the control box, a rear wheel rotatably arranged between the rear connecting frames on both sides, and a second damping tension spring arranged between the top of the rear connecting frame on both sides and the rear side of the bottom of the rear pipe seat.

[0007] As a kind of preferred scheme of six-axis pull rod folding electric bicycle, rear reflector is provided on the rear side of the support, and pedal assembly is provided on the tripod.

[0008] As a kind of preferred scheme of six-axis pull rod folding electric bicycle, rear baffle is provided between the rear connecting frame of the two sides, and the shape of the rear baffle is matched with the shape of the rear wheel.

[0009] As a kind of preferred scheme of six-axis pull rod folding electric bicycle, front baffle is provided in the middle of the front fork, and front reflector is symmetrically provided on the left and right sides of the front fork, and the shape of the front baffle is matched with the shape of the front wheel.

[0010] As a kind of preferred scheme of six-axis pull rod folding electric bicycle, pull ring is symmetrically provided on the rear side of the bottom of the support.

[0011] As a kind of preferred scheme of six-axis pull rod folding electric bicycle, line pipe is provided on the top of the rear tube seat, and control panel is provided on the top of the handle.

[0012] The utility model discloses the beneficial effects:

[0013] Utilize multiple movable connecting structures cooperation connecting rod structure, realized the quick conversion of vehicle from the riding state to the folding state, and the detachable battery improves the compactness after folding, and the action force between two tube seats is balanced through three damping tension springs, greatly improves the portability and use flexibility of vehicle.

[0014] 2、Through the integrated forming of front fork and rear connecting frame, lightweight design, quick replacement battery and crank connecting rod structure used between tube seat and seat plate, simple and convenient folding and locking are realized, so that the travel experience of user is improved. DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawings needed to be used in the embodiment of the utility model. Obviously, the drawings described below are only some embodiments of the utility model, and other drawings can be obtained according to these drawings without creative labor for ordinary skilled in the art.

[0016] Figure 1 It is the three-dimensional structure schematic diagram of six-axis pull rod folding electric bicycle of the embodiment of the utility model.

[0017] Figure 2 It is another three-dimensional structure schematic diagram of six-axis pull rod folding electric bicycle of the embodiment of the utility model.

[0018] In the drawing:

[0019] 1. rear tube bracket; 2. front tube bracket; 3. connecting piece; 4. handle; 5. front fork; 6. front wheel; 7. first damping tension spring; 8. support; 9. crank link; 10. folding rod; 11. pull rod; 12. seat plate; 13. battery; 14. tripod; 15. control box; 16. rear connecting bracket; 17. rear wheel; 18. second damping tension spring; 19. rear reflector; 20. rear fender; 21. front fender; 22. front reflector; 23. pull ring; 24. wiring tube; 25. control panel. DETAILED DESCRIPTION

[0020] The technical solutions of the utility model are further illustrated below in combination with the drawings and through specific embodiments.

[0021] The drawings are only used for illustrative explanation, and the representation is only a schematic diagram, not a physical diagram, and should not be understood as a limitation of the patent; in order to better illustrate the embodiments of the utility model, some components in the drawings can be omitted, enlarged or reduced, and do not represent the size of the actual product; for those skilled in the art, it is understandable that some well-known structures and their descriptions in the drawings can be omitted.

[0022] The same or similar reference numerals in the drawings of the embodiments of the utility model correspond to the same or similar components; in the description of the utility model, it should be understood that if the terms "upper", "lower", "left", "right", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, they are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, structure and operation, therefore, the terms describing the positional relationship in the drawings are only used for illustrative explanation, and should not be understood as a limitation of the patent, and for those skilled in the art, the specific meaning of the above terms can be understood according to the specific situation.

[0023] In the description of the utility model, unless otherwise explicitly specified and limited, if the term "connection" and the like appear, the term should be interpreted broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two components or the interaction relationship between two components. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific situation.

[0024] For example, Figure 1The utility model provides a technical scheme: a six -axis pull rod folding electric bicycle, including rear pipe seat 1, rear pipe seat 1 front side rotatory installation has a front pipe seat 2, and the top of front pipe seat 2 front side installs a connecting piece 3, and the top of connecting piece 3 installs a handle 4, and the bottom of front pipe seat 2 front side movably installs a front fork 5, and the bottom of front fork 5 rotatory installation has a front wheel 6, and the top of rear pipe seat 1 installs a support 8, and the top of support 8 front side left and right symmetry each installs a crank link 9, and two crank links 9 relative support 8 center line mirror image symmetry, and the top of support 8 rear side left and right symmetry each installs two folding rods 10, and the two folding rods 10 of left and right sides are in front and back interval distribution and mirror image symmetry relative support 8 center line, and the outside middle rotatory installation of the junction of left and right sides crank link 9 has a pull rod 11, and the top rotatory installation of left and right sides crank link 9 and four folding rods 10 has a seat plate 12, and the support 8 and seat plate 12 between install a battery 13, and the rear side of battery 13 is equipped with a handle, and the bottom of front pipe seat 2 installs a tripod 14, and through tripod 14 installs a foot pedal assembly, and it is convenient to provide additional force point, improve the comfort of riding, and the bottom of rear pipe seat 1 front side installs a control box 15, and the front side of control box 15 is equipped with multiple installation sites, and the left and right sides symmetry each of control box 15 installs a rear connecting frame 16, and the rear side rotatory installation between left and right sides rear connecting frame 16 has a rear wheel 17, and the top middle between left and right sides rear connecting frame 16 and the bottom middle of rear pipe seat 1 installs a second damping tension spring 18, and two second damping tension springs 18 mirror image symmetry relative rear pipe seat 1 center line, and the bottom rear side left and right symmetry each of support 8 installs a pull ring 23, and two pull rings 23 mirror image symmetry relative support 8 center line, and the top of rear pipe seat 1 installs a line pipe 24, and the top of handle 4 installs a control panel 25, and it is convenient to control the start and shutdown of vehicle, and the position of handle 4 is installed and adjusted through connecting piece 3, prevents handle 4 from being inclined, then, control panel 25 on handle 4 and battery 13 are connected through line pipe 24, hide line and it is convenient to line arrangement, according to demand, install corresponding drive and support frame in the installation site reserved in the front side of control box 15, pull rod 11 is pulled to the front side and is further driven crank link 9 to rotate and open, and crank link 9 rotates and opens and is further driven seat plate 12 to lift, simultaneously drive folding rod 10 to lift, then install battery 13 between support 8 and seat plate 12, connect the line of line pipe 24 with battery 13, loosen pull rod 11 and be stuck in the front side of battery 13 through pull rod 11, then the locking mechanism of battery 13 is locked with support 8, and the installation is quickly completed, to improve the travel experience of user, when using, through front fork 5 and first damping tension spring 7, two crank links 9, four folding rods 10, control box 15 and rear connecting frame 16 and second damping tension spring 18 six movable connection structures,The six-axis structure buffer brings the vibration of the electric bicycle in the running, when it is used, it needs to be stored in the room, only need to pull the pull rod 11 upward, make the crank connecting rod 9 and folding rod 10 and seat plate 12 lift, and then unlock the battery 13, the lock of the battery 13 is loosened, the battery 13 is unlocked, the handle of the battery 13 is pulled to the rear side, the battery 13 is easily taken out, it is convenient to store and replace the battery 13, the battery 13 is taken off, the locking between the rear pipe seat 1 and the front pipe seat 2 is released, the electric bicycle is folded and stored, the vehicle is taken into the room.

[0025] As shown in Figure 1 and Figure 2 , the rear end of the bracket 8 is provided with a rear reflector 19, and the front fork 5 is provided with a front reflector 22 on both sides, the rear reflector 19 is inclined downward, and a plurality of mounting holes are arranged on the rear reflector 19 to mount the license plate.

[0026] As shown in Figure 1 and Figure 2 , a rear baffle 20 is installed between the two rear connecting frames 16, the shape of the rear baffle 20 is matched with the shape of the rear wheel 17, a front baffle 21 is installed in the middle of the front fork 5, the shape of the front baffle 21 is matched with the shape of the front wheel 6, the front baffle 21 is located above the top of the front wheel 6, and the rear baffle 20 is located above the top of the rear wheel 17, so as to isolate the splashing sewage of the front wheel 6 and the rear wheel 17 during driving.

[0027] Working principle: the position of the handle 4 is installed and adjusted through the connecting piece 3 to prevent the handle 4 from tilting, then the control panel 25 on the handle 4 is connected with the storage battery 13 through the line pipe 24 to hide the line and facilitate the line arrangement, the corresponding drive and support frame are installed in the mounting position reserved in front of the control box 15 according to the requirement, the pull rod 11 is pulled to the front side to drive the crank connecting rod 9 to rotate and open, the crank connecting rod 9 rotates and opens to drive the seat plate 12 to lift and drive the folding rod 10 to lift, then the storage battery 13 is installed between the support frame 8 and the seat plate 12, the line of the line pipe 24 is connected with the storage battery 13, the pull rod 11 is released and clamped in front of the storage battery 13, then the locking mechanism of the storage battery 13 is locked with the support frame 8, the installation is quickly completed to improve the travel experience of the user, when in use, the front fork 5, the first damping tension spring 7, the two crank connecting rods 9, the four folding rods 10, the control box 15, the rear connecting frame 16 and the second damping tension spring 18 are connected through six movable connection structures to form a six-axis structure to buffer the vibration of the electric bicycle in driving, when the use is completed and needs to be stored in the room, the pull rod 11 is only pulled upward to drive the crank connecting rod 9, the folding rod 10 and the seat plate 12 to lift, then the storage battery 13 is unlocked to release the lock of the storage battery 13 and the support frame 8, the storage battery 13 is easily taken out by pulling the handle on the rear side of the storage battery 13, which is convenient for storage and replacement and charging of the storage battery 13, after the storage battery 13 is taken out, the pull rod 11 is released by unlocking the lock between the rear pipe seat 1 and the front pipe seat 2, the crank connecting rod 9 and the folding rod 10 are automatically folded downward on the top of the support frame 8 under the action of gravity, and the electric bicycle is folded and stored to take the vehicle into the room.

[0028] It should be noted that the above specific embodiments are only the preferred embodiments of the utility model and the applied technical principles. Those skilled in the art should understand that various modifications, equivalent replacements, changes and the like can be made to the utility model. However, as long as these changes do not deviate from the spirit of the utility model, they should be within the protection scope of the utility model. In addition, some terms used in the specification and claims of the present application are not limited, but only for convenient description.

Claims

1. A six-axis folding electric bicycle, characterized in that, The utility model provides a folding bicycle, including rear pipe seat (1), the front side rotatory of rear pipe seat (1) is provided with front pipe seat (2), the top of front pipe seat (2) front side is provided with connecting piece (3), the top of connecting piece (3) is provided with handle (4), the front side movable of front pipe seat (2) bottom is provided with front fork (5), the bottom rotatory of front fork (5) is provided with front wheel (6), be provided with first damping tension spring (7) between front pipe seat (2) with front fork (5), the top of rear pipe seat (1) is provided with support (8), the top front side of support (8) is provided with crank link (9) symmetrically, the top rear side of support (8) is provided with several folding rod (10) symmetrically, both sides crank link (9) outside rotatory is provided with pull rod (11), both sides crank link (9) with several folding rod (10) top rotatory is provided with seat board (12), be provided with battery (13) between support (8) with seat board (12), the bottom of front pipe seat (2) is provided with tripod (14), the bottom front side of rear pipe seat (1) is provided with control box (15), control box (15) both sides symmetrically are provided with rear connecting frame (16), both sides rear connecting frame (16) between rotatory is provided with rear wheel (17), both sides rear connecting frame (16) top with the bottom rear side of rear pipe seat (1) between all be provided with second damping tension spring (18).

2. The six-axis folding electric bicycle of claim 1, wherein, The rear side of support (8) is provided with rear reflector (19), and the tripod (14) is provided with a foot pedal assembly.

3. The six-axis folding electric bicycle of claim 1, wherein, The rear baffle (20) is arranged between the rear connecting frames (16) on both sides.

4. The six-axis folding electric bicycle of claim 1, wherein, The front fork (5) is provided with a front baffle (21) in the middle, and the front fork (5) is provided with front reflectors (22) symmetrically on both sides.

5. The six-axis folding electric bicycle of claim 1, wherein, The bottom rear side of the support (8) is provided with pull rings (23) symmetrically.

6. The six-axis folding electric bicycle of claim 1, wherein, The top of the rear pipe seat (1) is provided with a wiring pipe (24), and the top of the handle (4) is provided with a control panel (25).