CN210258702U

CN210258702U - Electric bicycle frame rear fork connection structure

Info

Publication number: CN210258702U
Application number: CN201920967900.1U
Authority: CN
Inventors: 李嘉; 叶彬
Original assignee: Wuxi Zunshang Intelligent Technology Co ltd
Current assignee: Wuxi Zunshang Intelligent Technology Co ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-04-07
Anticipated expiration: 2029-06-25

Abstract

The utility model discloses an electric bicycle frame back vent connection structure, it includes two back vent and well pipes, wherein, well pipe set up in between two back vents, the middle part level and smooth bending of two back vents just all extends to be connected to on the scray, be connected with the head tube on the scray, all be connected with the enhancement connecting piece between the outside of well pipe and the inboard of two back vents. The reinforced connecting piece between the middle pipe and the rear fork of the electric bicycle frame rear fork connecting structure adopts a hidden structure, is vertical to the front pipe and can not be seen from the left side and the right side of the frame, and the simplicity and the attractiveness of the whole frame are improved; the rear fork is connected with the middle pipe and the folder at the same time, so that the strength of the rear fork is improved; through the reinforced connecting piece between well pipe and the back vent, kept being connected of well pipe and back vent when letting the back vent open enough battery installation space, guaranteed both sufficient intensity.

Description

Electric bicycle frame rear fork connection structure

Technical Field

The utility model relates to an electric bicycle frame especially relates to an electric bicycle frame back vent connection structure.

Background

Along with the improvement of living standard of people, the common public changes the concept of the travel mode, and especially when people go on leisure and travel on weekends, people tend to use the electric bicycle to ride more and more. The electric bicycle is one of the most common vehicles used at the present stage, and the reliability of the frame of the electric bicycle is related to the safety problem of the whole bicycle body.

At present, the rear fork of the existing electric bicycle frame generally has the following defects:

1) the rear fork is sharply bent from the middle pipe, the rear fork and the front pipe are not connected in transition, the appearance is not attractive, the rear fork is only connected with the middle pipe, and the strength is insufficient;

2) the addition of a reinforcing connecting piece between the rear fork and the middle tube in the front-rear direction (the direction parallel to the front tube) affects the simplicity and the aesthetic property of the frame.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electric bicycle frame back vent connection structure to there is not enough and the complicated problem of structure in electric bicycle frame back vent among the solution prior art.

To achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides an electric bicycle frame back vent connection structure, its includes two back vent and well pipes, wherein, well pipe set up in between two back vents, the middle part of two back vents is level and smooth to be bent and all extend to be connected to on the scray, be connected with the head tube on the scray, all be connected with between the outside of well pipe and the inboard of two back vents and strengthen the connecting piece.

In particular, the reinforcing connectors are perpendicular to the head tube.

Particularly, the angle of the bending positions of the two back forks is between 110 and 150 degrees.

In particular, the intermediate tube is arranged obliquely, with its bottom extending to the side close to the folder.

In particular, the ends of the two rear forks are connected to the folder in overlapping relationship.

The beneficial effects of the utility model are that, compare with prior art electric bicycle frame rear fork connection structure has following advantage:

1) the continuity of the rear fork from the middle pipe to the folder is kept, the complete beautiful curve from the front pipe to the rear fork is kept, the integrity of the frame is strong when the frame is seen from the side, and the overall strength is high;

2) the rear fork is connected with the middle pipe and the folder, so that the strength of the rear fork is improved, and the single-arm rear fork is simpler and more attractive than a double-arm rear fork;

3) through the reinforced connecting piece between the middle pipe and the rear fork, the rear fork is opened to ensure enough battery installation space, meanwhile, the connection between the middle pipe and the rear fork is maintained, and the enough strength of the middle pipe and the rear fork is ensured;

4) the reinforced connecting piece between the middle tube and the rear fork adopts a hidden structure, is vertical to the front tube and can not be seen from the left side and the right side of the frame, and the simplicity and the attractiveness of the whole frame are improved.

Drawings

Fig. 1 is a schematic perspective view of a rear fork connecting structure of an electric bicycle frame according to an embodiment of the present invention;

fig. 2 is a top view of a rear fork connecting structure of an electric bicycle frame according to an embodiment of the present invention;

fig. 3 is a side view of a rear fork connecting structure of an electric bicycle frame according to an embodiment of the present invention.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to fig. 1 to 3, in this embodiment, the utility model relates to an electric bicycle frame rear fork connection structure includes a first rear fork 1, a second rear fork 2 and a middle tube 3, the middle tube 3 is obliquely disposed between the two rear forks, the bottom of the middle tube 3 extends to a side that is close to the folder 4, the middle parts of the first rear fork 1 and the second rear fork 2 are smoothly bent to the inner side that is close to the middle tube 3, and extend and connect to the folder 4 in a cross-superposition manner, so as to maintain the smooth transition of the section from the middle tube 3 to the folder 4 for the two rear forks, the folder 4 is connected with a front tube, so as to maintain the continuity of the section from the middle tube 3 to the folder 4 for the two rear forks, maintain the complete graceful curve from the front tube to the rear fork, the frame has strong integrity and high overall strength when viewed from the side. And two back vent forks are connected with well pipe 3 and scray 4 simultaneously, have improved the intensity of back vent fork, can keep single armed back vent, and are more brief pleasing to the eye than double-armed back vent fork.

All be connected with between the outside of well pipe 3 and the inboard of first back fork 1 and second back fork 2 and add the strong connecting piece 5, add the strong connecting piece 5 and be mutually perpendicular with the head tube, from the side observation, two back forks shelter from the strong connecting piece completely.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

Claims

1. The utility model provides an electric bicycle frame back fork connection structure, its includes two back forks and well pipe, its characterized in that, well pipe set up in between two back forks, the middle part of two back forks is level and smooth to be bent and all extend to be connected to on the scray, be connected with the head tube on the scray, all be connected with between the outside of well pipe and the inboard of two back forks and strengthen the connecting piece.

2. The electric bicycle frame rear fork attachment structure of claim 1, wherein the reinforcement link is perpendicular to the front tube.

3. The frame rear fork connecting structure of claim 1, wherein the angle of the two rear fork bends is between 110 ° and 150 °.

4. The electric bicycle frame rear fork attachment structure of claim 1, wherein the middle tube is obliquely arranged with a bottom portion thereof extending to a side near the folder.

5. The electric bicycle frame rear fork attachment structure of claim 1, wherein the ends of the two rear forks are attached to the folder in a cross-coincidence manner.