CN216332439U

CN216332439U - Folding rear frame of electric bicycle

Info

Publication number: CN216332439U
Application number: CN202022825301.1U
Authority: CN
Inventors: 周广德
Original assignee: Changzhou Niuniu New Energy Co ltd
Current assignee: Changzhou Niuniu New Energy Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2022-04-19
Anticipated expiration: 2030-11-30

Abstract

The utility model provides an electric bicycle folding back frame, includes underframe, upper ledge and telescopic link frame, the underframe is installed on the bicycle after-frame, the upper ledge sets up in the lower frame top, the upper ledge is articulated and can overturn with the underframe, and then enlarges the capacity, the telescopic link frame sets up in upper ledge top one side and can contract from top to bottom, and the gyro wheel is installed to the underframe bottom. The utility model can realize the multifunctional modes of capacity expansion, hand carrying, dragging and sliding of the rear frame of the electric bicycle.

Description

Folding rear frame of electric bicycle

Technical Field

The utility model relates to a folding rear frame of an electric bicycle.

Background

The back frame of a bicycle generally has a single function, for example, a bicycle backseat with a basket of patent No. CN103523123A can swing 90 ° on each side, and cannot increase the capacity, and cannot realize multifunctional installation and use of the back frame, for example, a bicycle basket of application No. 2015110345703 can be lifted, cannot increase the capacity, and cannot be towed on the ground.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem and provides a multifunctional electric bicycle folding rear frame which can increase the capacity and can be dragged by a pull rod.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the utility model provides an electric bicycle folding back frame, includes underframe, upper ledge and telescopic link frame, the underframe is installed on the bicycle after-frame, the upper ledge sets up in the lower frame top, the upper ledge is articulated and can overturn with the underframe, and then enlarges the capacity, telescopic link frame sets up in upper ledge top one side and can contract from top to bottom.

The upper frame comprises a front frame, a left frame, a rear frame and a right frame which are foldable and arranged in sequence, and each frame is hinged with the periphery of the top of the lower frame.

Furthermore, in order to ensure that the frames of the upper frame are not easy to fall off after being installed, two groups of hinge pieces are arranged at the hinge positions of the front frame, the left frame, the rear frame and the right frame and the lower frame respectively, and the two groups of hinge pieces are installed and arranged in a mirror symmetry mode.

Further, the telescopic rod frame is installed at the top of the rear frame.

Furthermore, the telescopic rod frame comprises a first telescopic rod, a second telescopic rod and a pull rod for connecting the first telescopic rod and the second telescopic rod, and the pull rod is perpendicular to the first telescopic rod or the second telescopic rod.

Furthermore, the bottom of the lower frame is provided with a mounting groove, and a locking screw is arranged in the mounting groove.

In order to facilitate the carrying of more articles, the mop can be used for dragging, and the two sides of the bottom of the lower frame are respectively provided with a roller

The utility model has the beneficial effects that: by adopting the scheme, the multifunctional mode of expanding the rear frame of the electric bicycle, being portable and being capable of dragging and sliding can be realized.

Drawings

The foregoing and other objects, features, and advantages of the utility model will be apparent from the following detailed description taken in conjunction with the accompanying drawings.

FIG. 1 is a schematic view of the present invention and a bicycle body;

FIG. 2 is a schematic structural view of the present invention;

FIG. 3 is a schematic structural diagram of another embodiment of the present invention;

FIG. 4 is a schematic structural diagram of a left frame of the present invention;

wherein: 1. a lower frame; 2. an upper frame; 21. a front frame; 22. a left frame; 23. a rear frame; 24. a right frame; 25. an articulation member; 3. a telescopic rod frame; 31. a first telescopic rod; 32. a second telescopic rod; 33. a pull rod; 4. A roller; 5. a bicycle body.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the utility model more readily understood by those skilled in the art, and thus will more clearly and distinctly define the scope of the utility model.

As shown in the figures 1-4 of the drawings,

the first embodiment is as follows: the utility model provides an electric bicycle folding back frame 23 frame, includes underframe 1, upper ledge 2 and telescopic link frame 3, upper ledge 2 sets up under frame 1 and installs on the bicycle after-frame, upper ledge 2 is articulated and can overturn with underframe 1, and then enlarges the capacity, telescopic link frame 3 sets up in upper ledge 2 top one side and can contract from top to bottom, and upper ledge 2 includes folding and the preceding frame 21 that arranges in proper order, left frame 22, after-frame 23 and right frame 24, and each frame is articulated all around with the top of underframe 1 respectively, for being difficult for droing after making each frame installation of upper ledge 2, preceding frame 21, left frame 22, after-frame 23 and right frame 24 and underframe 1 respectively articulate the department and all are equipped with two sets of articulated elements 25, and two sets of articulated elements 25 become mirror symmetry installation setting. Telescopic link frame 3 is installed at back frame 23 top, and telescopic link frame 3 includes first telescopic link 31, second telescopic link 32 and is used for connecting the pull rod 33 of first telescopic link 31 and second telescopic link 32, and pull rod 33 sets up with first telescopic link 31 or second telescopic link 32 are perpendicular, and underframe 1 bottom has the mounting groove, be equipped with locking screw in the mounting groove.

It should be noted that the telescopic rod frame 3 is a conventional telescopic rod, which can be directly retracted to the bottom or extended to the head without limiting, or a clamping structure can be arranged on one side to adjust the position, for example, like a hand-held rod of an umbrella, to adjust the height, and other linking structures of the utility model can be screw links or clamping blocks, so long as the functions of the utility model can be realized, which all fall within the protection scope of the utility model.

Example two: different from the first embodiment, in order to facilitate the dragging, rollers 4 are respectively installed on two sides of the bottom of the lower frame 1.

Compared with the prior art, the utility model can realize the multifunctional modes of capacity expansion, hand carrying, dragging and sliding of the rear frame 23 of the electric bicycle.

In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In addition, in the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "disposed," "provided," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Finally, it should be noted that: the above-mentioned embodiments are merely specific embodiments of the present invention, which are used for illustrating the technical solutions of the present invention and not for limiting the same, and the protection scope of the present invention is not limited thereto, although the present invention is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope of the present disclosure; such modifications, changes or substitutions do not depart from the spirit and scope of the embodiments of the present invention, and they should be construed as being included therein.

Claims

1. The utility model provides a folding rear frame of electric bicycle which characterized in that: the bicycle is characterized by comprising a lower frame, an upper frame and a telescopic rod frame, wherein the lower frame is arranged on a rear frame of the bicycle, the upper frame is arranged above the lower frame, the upper frame is hinged with the lower frame and can be folded, so that the capacity is enlarged, and the telescopic rod frame is arranged on one side of the top of the upper frame and can be contracted up and down.

2. The folding rear frame for electric bicycles of claim 1, wherein: the upper frame comprises a front frame, a left frame, a rear frame and a right frame which are foldable and sequentially arranged, and the frames are respectively hinged with the periphery of the top of the lower frame.

3. The folding rear frame for electric bicycles of claim 2, wherein: and the hinged parts of the front frame, the left frame, the rear frame, the right frame and the lower frame are respectively provided with two groups of hinged parts, and the two groups of hinged parts are arranged in mirror symmetry.

4. The folding rear frame for electric bicycles of claim 2, wherein: the telescopic rod frame is arranged at the top of the rear frame.

5. The folding rear frame for electric bicycles of claim 2, wherein: the telescopic rod frame comprises a first telescopic rod, a second telescopic rod and a pull rod for connecting the first telescopic rod and the second telescopic rod, and the pull rod is perpendicular to the first telescopic rod or the second telescopic rod.

6. The folding rear frame for electric bicycles of claim 1, wherein: the bottom of the lower frame is provided with a mounting groove, and a locking screw is arranged in the mounting groove.

7. The folding rear frame for electric bicycles of claim 1, wherein: and rollers are respectively arranged on two sides of the bottom of the lower frame.