TWM557699U - Electric bicycle frame - Google Patents

Abstract

The present invention provides an electric bicycle frame for connecting with a power unit. The electric bicycle frame includes a lower tube. The lower tube includes a first component and a second component, and the second component is assembled with the first component to form a A tubular structure in which a lower end of the lower tube is bent into an arcuate mounting portion for mounting of the power unit. Thereby, the lower tube is assembled from the first component and the second component, and one end of the lower tube is bent to form an arc-shaped mounting portion, and the arrangement in which the lower tube and the arc-shaped mounting portion are integrally extended helps to improve the arc shape. Multiple mounting problems with the mounting frame and other frame components.

Description

Electric bicycle frame

The present invention relates to one, and more particularly to a bicycle frame, and more particularly to an electric bicycle frame having an arcuate mounting portion.

The bicycle frame comprises a riser, a lower pipe and a rear fork, and one ends of the lower pipe, the riser and the rear fork are connected to each other to form a five-way pipe for gear and pedal setting, and in the frame of the electric bicycle, the five-way The tube portion is replaced with an arc-shaped mounting portion to mount a power unit such as a motor.

In order to make an arc-shaped mounting portion, the conventional frame is made up of a plurality of zero frames and assembled by welding, which is very troublesome.

In view of this, how to effectively improve the structure of the electric bicycle frame, improve the multi-point welding problem of the arc-shaped mounting part and other frame components, and achieve the goal of the related industry.

The present invention provides an electric bicycle frame that can help improve the multi-point welding problem of the arc-shaped mounting portion and other frame components through the configuration of the lower tube structure.

According to an aspect of the present invention, an electric bicycle frame is provided for connecting with a power unit, and the electric bicycle frame includes a lower tube and a lower tube package. The first component and the second component are assembled, and the second component is assembled correspondingly with the first component to form a tubular structure, wherein the lower end of the lower pipe is bent into an arc-shaped mounting portion for the power unit to be mounted.

Thereby, the lower tube is assembled from the first component and the second component, and one end of the lower tube is bent to form an arc-shaped mounting portion, and the arrangement in which the lower tube and the arc-shaped mounting portion are integrally extended helps to improve the arc shape. Multiple mounting problems with the mounting frame and other frame components.

According to the aforementioned electric bicycle frame, the first component may have a left half pipe structure, and the second component may have a right half pipe structure. Or the electric bicycle frame further includes a lock clip, the first component includes a first notch portion, and the second component includes a second notch portion corresponding to the first notch portion, and the first notch portion and the second notch portion are combined to form a The opening, the clip clip is welded to the edge of the opening and is locked by a battery. The electric bicycle frame may further include a metal inner liner welded to the first component and the second component. Or the metal lining may have a T-shaped structure and include a bottom portion and a protruding portion. The first component may further include a first retracting portion facing the second component, and the second component may include a second retracting portion corresponding to the first portion. The indented portion, the first indented portion and the second indented portion are combined to form a welded joint, and the bottom portion is welded to an inner wall of the first component and an inner wall of the second component, and the protruding portion protrudes into the welded joint Welding with the first indented portion and the second indented portion.

According to the foregoing electric bicycle frame, the first component and the second component are combined to form an accommodating space for a battery to be placed. Or the first component may include a first slot edge and a first step, the first segment surrounding the first slot edge, the second component may include a second slot and a second step, and the second slot corresponds to a first groove edge, the second step portion surrounds the second groove edge; wherein the first groove edge and the second groove edge After being combined, a slot communication space is formed.

According to the foregoing electric bicycle frame, the utility model further comprises a riser, the riser comprises a first riser frame and a second riser frame, the first riser frame integrally connects the first component, and the second riser frame is integrally connected The second component is assembled corresponding to the first riser frame. Or the first component may be in the upper half tube structure and the second component may be in the lower side half tube structure. Or the aforementioned electric bicycle frame may further include a locking piece disposed on the arc-shaped mounting portion for the power unit to be locked.

According to one aspect of the present invention, an electric bicycle frame is provided, comprising a lower tube, the lower tube comprising at least one tubular assembly, wherein the lower end of the lower tube is bent into an arc-shaped mounting portion for the power unit to be mounted.

100‧‧‧Electric bicycle frame

100a‧‧‧Electric bicycle frame

100b‧‧‧Electric bicycle frame

200, 200a, 200b‧‧‧ down

210, 210a, 210b‧‧‧ first component

211‧‧‧ first gap

212‧‧‧First retraction

213‧‧‧ first hole edge

214a‧‧‧The first paragraph

215a‧‧‧first slot edge

220, 220a, 220b‧‧‧ second component

221‧‧‧second gap

222‧‧‧Second indentation

223‧‧‧second hole edge

224a‧‧‧The second paragraph

225a‧‧‧second slot edge

230‧‧‧arc mounting

240‧‧‧ openings

250a, 250b‧‧‧ notch

260a‧‧‧ accommodating space

270b‧‧‧Departure

280b‧‧‧ mounting hole

300‧‧‧Lock clip

400‧‧‧Metal lining

410‧‧‧ bottom

420‧‧‧protrusion

500, 500b‧‧‧ lock pieces

510‧‧‧floor

520‧‧‧wings

600, 600a, 600b‧‧‧ risers

610a‧‧‧First riser rack

620a‧‧‧Second riser rack

700, 700b‧‧‧ rear fork

B1‧‧‧Battery

1 is a perspective view of an electric bicycle frame and a battery according to an embodiment of the present invention; FIG. 2 is a schematic exploded view of the electric bicycle frame and battery of FIG. 1; A three-dimensional schematic diagram of an electric bicycle frame according to another embodiment of the present invention; FIG. 4 is a schematic exploded view of the electric bicycle frame of FIG. 3; and FIG. 5 illustrates an electric bicycle according to still another embodiment of the present invention. Schematic diagram of the explosion of the frame.

Embodiments of the present invention will be described below with reference to the drawings. To be clear To be clear, many practical details will be explained in the following description. However, readers should be aware that these practical details are not intended to limit the novel. That is to say, in some embodiments of the present invention, these practical details are not necessary. In addition, some of the conventional structures and elements are illustrated in the drawings in a simplified schematic representation, and the

Please refer to FIG. 1 and FIG. 2 , wherein FIG. 1 is a perspective view of an electric bicycle frame 100 and a battery B1 according to an embodiment of the present invention, and FIG. 2 is a view of the electric bicycle frame of FIG. 1 . 100 and the explosion diagram of battery B1. The electric bicycle frame 100 is connected to a power unit (not shown). The electric bicycle frame 100 includes a lower tube 200. The lower tube 200 includes a first component 210 and a second component 220. The second component 220 and the second component A component 210 is correspondingly assembled to form a tubular structure in which the lower end of the lower tube 200 is bent into an arcuate mounting portion 230 for power unit mounting.

Thereby, the lower tube 2001 is assembled by the first component 210 and the second component 220, and one end of the lower tube 200 is bent to form an arc-shaped mounting portion 230, and the lower tube 200 and the arc-shaped mounting portion 230 are integrally extended. Helps to improve the multi-point welding problem of the arc-shaped mounting portion 230 and other frame components. The structural details of the electric bicycle frame 100 will be described in more detail later.

The first component 210 can be a left half pipe structure, and the second component 220 can be a right half pipe structure, wherein the first component 210 and the second component 220 are both U-shaped frame bodies, and the first component 210 and the second component The assembly 220 has a shape corresponding to the structure and can constitute a cylindrical tubular structure. The first component 210 and the second component 220 may respectively include arcuate ends, and may be formed at the lower end of the lower tube 200 after assembly. Arc-shaped mounting portion 230. The first component 210 and the second component 220 may be hydraulically formed by using a metal material, so that an arc-shaped end portion can be formed during molding, and the combination of the left and right sides can solve the weakness of the multiple combinations of the conventional frame. Moreover, the material has continuity, can have a light weight under the strength, and has the advantages of easy appearance and manufacture.

Preferably, the electric bicycle frame 100 further includes a locking piece 500 disposed on the arc-shaped mounting portion 230 for the power unit to be locked. In more detail, the first component 210 can include a first hole edge 213, and the second component 220 can include a second hole edge 223 corresponding to the first hole edge 213. After the first hole edge 213 and the second hole edge 223 are assembled, A mounting hole (not shown) may be formed, and the locking piece 500 may include a bottom plate 510 and two protruding wings 520. The two protruding wings 520 are respectively protruded from the bottom plate 510, and the protruding wings 520 are provided with perforations (not labeled). In assembly, the size of the bottom plate 510 is larger than the size of the mounting hole, so that the bottom plate 510 is welded and fixed to the first component 210 near the first hole edge 213 and the second component 220 is adjacent to the second hole edge 223. The hole is locked by the power unit. Thereby, the part volume can be reduced.

In this embodiment, the electric bicycle frame 100 further includes a locking clip 300. The first component 210 includes a first notch portion 211, and the second component 220 includes a second notch portion 221 corresponding to the first notch portion 211. A notch portion 211 and the second notch portion 221 are combined to form an opening 240, and the clip 300 is welded to the edge of the opening 240 and is locked by the battery B1. In detail, the first notch portion 211 and the second notch portion 221 are all rectangular recesses, so that the first component 210 and the second component 220 are combined to form a rectangular opening 240, and the locking clip 300 is a clevis structure. Two wings (not shown) and an insertion port (not shown) are formed between the two wings. After the first component 210 and the second component 220 are combined, the insertion opening of the locking clip 300 can be aligned with the opening. The edge of the 240 is inserted, so that the locking clip 300 is clamped on the edge of the opening 240, and the locking clip 300 can be fixed to the first component 210 and the second component 220 by welding, and the combination of the first component 210 and the second component 220 can be added. strength. Preferably, the flaps of the lock clip 300 exposed on the surface of the lower tube 200 may include perforations for the battery B1 to be locked.

The electric bicycle frame 100 can further include a metal inner liner 400 welded to the first component 210 and the second component 220, whereby the first component 210 and the second component 220 can be stably connected. The metal lining 400 of the present embodiment has a T-shaped structure and includes a bottom portion 410 and a protruding portion 420. The first component 210 can further include a first retracting portion 212 facing the second component 220, and the second component 220 can include A second indented portion 222 corresponds to the first indented portion 212. The first indented portion 212 and the second indented portion 222 are combined to form a welded joint (not labeled), and the bottom portion 410 is welded to one of the first components 210. An inner wall of the wall and the second component 220, the protruding portion 420 extends into the welded joint to be welded to the first indented portion 212 and the second indented portion 222.

The bottom portion 410 and the protruding portion 420 are all in the shape of a long strip. The protruding portion 420 is convexly disposed on the bottom portion 410, and the first indented portion 212 and the second indented portion 222 are also elongated strip-shaped recesses. In assembly, the metal liner 400 can be placed inside the first component 210 and the second component 220, and the protruding portion 420 is correspondingly protruded from the welded joint, and then the metal liner 400 and the first component 210 are welded and The second component 220 is fixedly attached to facilitate structural strength.

It should be particularly noted that the number of the mounting holes, the welded joints, and the openings 240 may be configured as needed, and is set to be at least one or more, and is not limited to the above or the drawings. The lower tube 200 can be connected to the riser 600 and the rear fork 700. In this embodiment, the connection manner and position of the lower tube 200, the riser 600 and the rear fork 700 are I don't repeat them.

Please refer to FIG. 3 and FIG. 4 , wherein FIG. 3 is a perspective view of an electric bicycle frame 100 a according to another embodiment of the present invention, and FIG. 4 is a view showing an explosion of the electric bicycle frame 100 a according to FIG. 3 . schematic diagram.

The first component 210a and the second component 220a are similar to the first component 210a and the second component 220 described in FIGS. 1 and 2, and are respectively a left half pipe structure and a right half pipe structure, and each has a U-shaped cross section. The frame.

In this embodiment, the first component 210a and the second component 220a are combined to form an accommodating space 260a for battery placement. The first component 210a can include a first slot 215a and a first step 214a. The first step 214a surrounds the first slot 215a, and the second component 220a can include a second slot 225a and a second step. 224a, the second groove edge 225a corresponds to the first groove edge 215a, and the second step portion 224a surrounds the second groove edge 225a; wherein the first groove edge 215a and the second groove edge 225a are combined to form a notch 250a connecting the accommodating space 260a And can be used for battery access.

Since the first component 210a is a U-shaped frame body, the first groove edge 215a refers to a long rectangular recess located at the periphery of the frame of the first component 210, and the first stepped portion 214a refers to the first component 210. The frame body is formed with a stepped portion having a step adjacent to the first groove edge 215a, and the second groove edge 225a and the second step portion 224a are configured and formed in the same manner as the first groove edge 215a and the second step portion 224a. The arrangement of the first step portion 214a and the second step portion 224a contributes to the reinforcement of the structure.

In addition, the electric bicycle frame 100 may further include a riser 600a, and the riser 600a includes a first riser frame 610a and a second riser frame. 620a, the first riser frame 610a integrally connects the first component 210a, and the second riser frame 620a integrally connects the second component 220a and is assembled corresponding to the first riser frame 610a. That is to say, in the process stage, the riser 600a is divided into two parts, one part is the first riser frame 610a, which is integrated with the first component 210a, and the other part is the second riser frame 620a, which is the same The two components 220a are integrally formed, and the first component 210a and the second component 220a are assembled into the lower tube 200a through assembly, and the first riser frame 610a and the second riser frame 620a are grouped into the tube 600a.

Please refer to FIG. 5 , wherein FIG. 5 is a schematic exploded view of an electric bicycle frame 100 b according to still another embodiment of the present invention. In this embodiment, the first component 210b can be an upper half pipe structure, and the second component 220b can be a lower half pipe structure, and the assembly of the lower pipe 200b can be completed by assembling the upper and lower pipes.

The first component 210b can include a notch 250b and a stepped portion 270b that is a retracted section formed by the frame of the first component 210b adjacent the notch 250b. The second component 220b includes a mounting hole 280b. The mounting hole 280b functions in the same manner as the mounting hole in FIGS. 1 and 2, and is provided for the locking piece 500b. In addition, the riser 600b and the rear fork 700b are assembled on the first component 210b, and the assembly manner is conventional, and will not be described again.

It can be seen from the above embodiments that the electric bicycle frame of the present invention comprises a lower tube, and the lower tube comprises at least one tubular assembly, wherein the lower end of the lower tube is bent into an arc-shaped mounting portion for the power unit to be mounted. The tubular component is an upper and lower half pipe structure, a left and right half pipe structure, or a plurality of components that can be assembled into a tubular structure. The lower pipe can be formed by the joint of the tubular component, and the shape and configuration thereof are not limited to the above disclosure.

Although the present invention has been disclosed in the above embodiments, it is not In order to limit the present invention, any person skilled in the art can make various changes and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention is subject to the scope defined in the appended patent application. .

Claims (11)

An electric bicycle frame for connecting with a power unit, the electric bicycle frame comprising: a lower tube comprising: a first component; and a second component assembled corresponding to the first component to form a tubular structure; The lower end of the lower tube is bent into an arc-shaped mounting portion for the power unit to be mounted. The electric bicycle frame according to claim 1, wherein the first component has a left half pipe structure and the second component has a right half pipe structure. The electric bicycle frame of claim 2, further comprising a lock clip, the first component comprising a first notch, the second component comprising a second notch corresponding to the first notch, the The first notch portion and the second notch portion are combined to form an opening, and the locking clip is welded to the edge of the opening and is locked by a battery. The electric bicycle frame according to claim 2, further comprising: a metal lining, the first component and the second component are welded and connected. An electric bicycle as described in claim 4 The metal lining has a T-shaped structure and includes a bottom portion and a protruding portion. The first assembly further includes a first retracting portion facing the second component, and the second component includes a second retracting portion. Corresponding to the first indentation portion, the first indentation portion and the second indentation portion are combined to form a welded joint, the bottom portion being welded to an inner wall of the first component and an inner wall of the second component, The protruding portion extends into the welded joint to be welded to the first indented portion and the second indented portion. The electric bicycle frame of claim 2, wherein the first component and the second component are combined to form an accommodation space for a battery to be placed. The electric bicycle frame of claim 6, wherein the first component comprises: a first groove edge; and a first step portion surrounding the first groove edge; and the second component comprises: a second groove edge corresponding to the first groove edge; and a second step portion surrounding the second groove edge; wherein the first groove edge and the second groove edge are combined to form a notch to communicate with the accommodating space . The electric bicycle frame as described in claim 2, further comprising: a riser comprising: a first riser frame integrally connected to the first component; and a second riser frame integrally connected to the second component and assembled correspondingly to the first riser frame. The electric bicycle frame according to claim 1, wherein the first component has an upper half pipe structure and the second component has a lower half pipe structure. The electric bicycle frame according to claim 1, further comprising: a locking piece disposed on the arc-shaped mounting portion for the power unit to be locked. An electric bicycle frame for connecting to a power unit, the electric bicycle frame comprising: a lower tube comprising at least one tubular component; wherein a lower end of the lower tube is bent into an arc-shaped mounting portion for mounting the power unit.