TWI694024B - Electric bicycle frame with a battery module installed - Google Patents

Abstract

An electric bicycle frame with a battery module installed is provided. The battery module is rotated on the top surface of the down tube so as to enter the support space from the side of the support space. Therefore, it is convenient to install the battery module without being interfered by the top tube or the seat tube.

Description

Electric bicycle rack with battery module installed

The invention relates to an electric bicycle rack, in particular to an electric bicycle rack equipped with a battery module.

Electric bicycles must be equipped with batteries for driving, and the batteries of traditional electric bicycles are mostly installed on the rear shelf of the car body, or a receiving seat is welded at a suitable place on the car body for battery placement. Taiwan’s new patent No. M316210 discloses an electric bicycle, which includes a frame and a power supply device, the frame is provided with an accommodating groove for accommodating the power supply device, wherein the accommodating groove can be formed in the middle tube or Is the upper tube. Taiwan Patent Publication No. 201215534 discloses an electric bicycle frame that hides the battery in the middle tube.

However, these bicycles can only use preset battery modules. The electric capacity of the battery is fixed, and the electric capacity cannot be increased, and the disassembly and assembly of the battery module is not convenient for users.

An object according to an embodiment of the present invention is to provide an electric bicycle rack that can enter the support space from the side of the support space in a rotating manner.

According to an embodiment of the invention, the electric bicycle rack includes a first tube and a battery module. The first tube has a first fixing device and a second fixing device formed on one surface thereof. The battery module is formed with a first matching device and a second matching device. The shape of the first fitting device matches the shape of the first fixing device, and the first fitting device is combined with the first fixing device in a manner suitable for rotation. The shape of the second fitting device matches the shape of the second fixing device, and the shape of the second fitting device is suitable for the battery module to rotate in a first direction of rotation so that the second fitting device is combined with the second fixing device.

In an embodiment, the first fixing device includes a first fixing column, and the second fixing device includes a second fixing column. The first mating device includes a first accommodating space, and the second mating device includes a second accommodating space. The first accommodating space includes a first opening for the first fixing post to enter the first accommodating space from the first opening. The second accommodating space includes a second opening, and the direction of the second opening is that the battery module takes the first fixed post as a rotation axis, and the second fixed post enters the second accommodating space when rotating in a first rotation direction The direction of space.

In one embodiment, the direction that the first opening faces is different from the direction that the second opening faces.

In an embodiment, the electric bicycle rack further includes a second tube. Both ends of the first tube and the second tube are connected to each other to form a supporting space. A normal direction of the surface of the first tube extends into the supporting space. The battery module rotates on the surface to enter the support space from one side of the support space.

In one embodiment, the battery module further includes an elastic sheet. The elastic sheet is disposed on one side of the second accommodating space. When the second fixing post enters the second accommodating space, the elastic sheet leans against the second fixing post, thereby Prevent the battery module from falling off.

In one embodiment, the battery module further includes a button. When the button is pressed, the elastic sheet is released to detach from the second fixing post, so that when the battery module rotates in a second rotation direction, the second fixing The column can escape from the second accommodating space.

In one embodiment, at least two positioning holes are formed on the surface of the first tube. The first fixing column and the second fixing column are respectively a positioning structure. The positioning structure includes a head and a bolt portion, and the diameter of the head is larger than the diameter of the bolt portion, and the bolt portions are respectively embedded in the positioning holes in.

In an embodiment, the first accommodating space and the second accommodating space are respectively defined between an upper wall and a lower wall, and the upper wall and the lower wall are adapted to restrict the head of the positioning structure from moving up and down.

In one embodiment, the first tube is a lower tube, and the second tube is an upper tube or a riser tube.

In one embodiment, the positioning structure is a screw-like structure, the positioning hole is a screw hole, and the bolt portion is a bolt, and the bolts are screwed into the screw holes, respectively.

According to an embodiment of the present invention, since the battery module is rotated on a surface of a first tube, it can enter the support space from the side of the support space. Therefore, it is convenient to install the battery module without being interfered by the upper tube or the riser. Whether it is to increase the electric capacity and place the backup battery, it can provide a convenient installation structure.

200: electric bicycle rack

210: down tube

211: top surface

212: Positioning hole

213: Positioning hole

214: Positioning structure

215: Positioning structure

220: riser

230: Upper tube

240: head tube

251: Support space

300: battery module

311: The first accommodation space

312: Second accommodation space

321: The first opening

322: Second opening

331: Upper wall

332: Lower wall

350: shrapnel

360: Button

411: head

412: Tie department

FIG. 1 shows a side view of an electric bicycle frame according to an embodiment of the invention.

FIG. 2 shows a bottom view of a battery module according to an embodiment of the invention.

3A shows a perspective view of a state of an electric bicycle frame according to an embodiment of the invention.

FIG. 3B is a perspective view of a state of the electric bicycle frame in another view from the embodiment of FIG. 3A.

4 is a perspective view showing another state of an electric bicycle frame according to an embodiment of the invention.

FIG. 5 shows a schematic diagram of the bottom surface of the battery module after the battery module according to an embodiment of the present invention is installed on the down tube.

FIG. 1 shows a side view of an electric bicycle frame according to an embodiment of the invention. As shown in FIG. 1, the electric bicycle rack 200 includes a lower tube 210, a riser tube 220 and an upper tube 230. Down tube 210, riser 220 The two ends of the upper tube 230 are connected to each other, which can be directly or indirectly connected to form a supporting space 251. In this embodiment, the electric bicycle rack 200 further includes a head tube 240. The lower tube 210 and the upper tube 230 are connected to each other through the head tube 240. The top surface 211 of the down tube 210 faces or faces the support space 251, and its normal direction N extends into the support space 251. The battery module 300 (described later) is rotated on the top surface 211 to enter the support space 251 from one side of the electric bicycle frame 200 or the support space 251.

In one embodiment, a first fixing device and a second fixing device are formed on the top surface 211 of the down tube 210. The battery module 300 is formed with a first matching device and a second matching device. The shape of the first fitting device matches the shape of the first fixing device, and the first fitting device is combined with the first fixing device in a manner suitable for rotation. The shape of the second matching device matches the shape of the second fixing device, and the shape of the second matching device is suitable for the battery module 300 to rotate in a first direction of rotation so that the second matching device is combined with the second fixing device . In an embodiment, the first fixing device and the second fixing device may be a column-shaped fixing column, and the first matching device and the second matching device are a receiving space for matching the fixing column. A more detailed description of the embodiment is as follows.

In the embodiment of FIG. 1, the first fixing device and the second fixing device include positioning holes 212 and 213 and positioning structures 214 and 215. More specifically, the down tube 210 includes a top surface 211, at least two positioning holes 212 and 213, and at least two positioning structures 214 and 215. At least two positioning holes 212 and 213 are defined on the top surface 211 of the down tube 210. The positioning structures 214 and 215 are positioned in the positioning holes 212 and 213, respectively. In one embodiment, the positioning holes 212 and 213 are screw holes, and the positioning structures 214 and 215 are screw-like structures, which is not limited in the present invention. Preferably, the positioning structures 214 and 215 are in this method The line direction N extends.

In one embodiment, the positioning structure 214 includes a head portion 411 and a bolt portion 412, which extends in the normal direction N and can be bolts. The head 411 is connected to the plug 412. The outer periphery of the head 411 and the plug portion 412 is a round curve, and the head 411 is a flat plate having a round outer periphery. In this embodiment, the outer circumferences of the head 411 and the plug 412 are approximately circular, more specifically, the head 411 and the plug 412 are cylindrical. The head 411 may have a disc shape. The diameter of the head 411 is larger than the diameter of the plug portion 412. In another embodiment, the plug portion 412 may be a polygonal column, and the head 411 may be a polygonal disc-shaped structure. The radial length of the head 411 is greater than the radial length of the plug 412.

FIG. 2 shows a bottom view of a battery module according to an embodiment of the invention. As shown in FIG. 2, a first accommodating space 311 and a second accommodating space 312 are formed on the bottom surface of the battery module 300, and are respectively located at both ends of the bottom surface of the battery module 300. The first accommodating space 311 includes a first opening 321 for the positioning structure 214 to enter the first accommodating space 311 from the first opening 321. Preferably, the first opening 321 faces the long axis direction of the battery module 300. The second accommodating space 312 includes a second opening 322. The direction that the second opening 322 faces is the direction in which the battery module 300 uses the positioning structure 214 as a rotation axis to rotate the positioning structure 215 into the second accommodating space 312 when rotating in a first rotation direction. Preferably, the second opening 322 faces the side direction of the battery module 300. In this embodiment, the bottom surface of the battery module 300 is not formed with a protruding column structure, which allows the user to easily store the battery module 300 and is less likely to be injured by the column structure when the battery module 300 is taken.

3A shows a perspective view of a state of an electric bicycle frame according to an embodiment of the invention. Figure 3B A perspective view showing a state of the electric bicycle frame in another view from the embodiment of FIG. 3A. The battery module 300 and the frame body include an installation preparation state and an installation completion state. In the ready-to-install state, as shown in FIGS. 3A and 3B, with the long axis of the battery module 300 not parallel to the long axis of the lower tube 210, the positioning structure 214 enters the first accommodating space from the first opening 321 311, the positioning structure 214 is rotatably accommodated in the first accommodating space 311.

4 is a perspective view showing another state of an electric bicycle frame according to an embodiment of the invention. As shown in FIG. 4, after the battery module 300 is rotated in a first rotation direction, the positioning structure 215 enters the second accommodating space 312 and the installation is completed. In this way, the battery module 300 can be fixed on the top surface 211 of the lower tube 210 through the positioning structures 214 and 215; and the first and second accommodating spaces 311 and 312. The first direction of rotation is the direction of rotation for mounting the battery module 300, which is clockwise in the embodiments of FIGS. 4 and 3B.

It should be understood that an embodiment of the present invention uses positioning structures 214 and 215 as the first and second fixing posts to fix the battery module 300, but the positioning structures 214 and 215 may be screw-shaped structures, not limited by the present invention As long as it can rotate the battery module 300 into the support space 251 and fix it. In an embodiment, the positioning structures 214 and 215 may be screw-like structures, such as a screw.

Referring again to FIG. 2, the battery module 300 further includes an elastic piece 350 and a button 360. The elastic piece 350 is disposed on one side of the second accommodating space 312. The button 360 is connected to the elastic sheet 350, and when the button 360 is pressed, the elastic sheet 350 assumes a release state Sa. When the button 360 is not pressed, the shrapnel 350 is displayed Rely on the state Sb. FIG. 5 shows a schematic diagram of the bottom surface of the battery module after the battery module according to an embodiment of the present invention is installed on the down tube. As shown in FIG. 5, when the positioning structure 215 enters the state of the second accommodating space 312, the elastic sheet 350 leans against the positioning structure 215 to restrict the movement of the positioning structure 215, thereby preventing the battery module 300 from falling off the lower tube 210. More specifically, one end of the button 360 is formed with an abutment slope 361, and an accommodation space is also formed, and the elastic piece 350 extends into the accommodation space, and the elastic piece 350 leans against the abutment slope 361. When the button 360 is pressed, The abutting surface 361 is far away from the positioning structure 215, and the elastic piece 350 is also far away from the positioning structure 215 due to its elastic force, so that it can assume a released state Sa.

When the battery module 300 is to be removed, the user can press the button 360. In a state where the button 360 is pressed, the elastic piece 360 is released to disengage from the positioning structure 215, so that when the battery module 300 rotates in a second rotation direction, the positioning structure 215 can disengage from the second accommodating space 312. The second rotation direction is the rotation direction of the detachable battery module 300, which is counterclockwise in the embodiments of FIGS. 4 and 3B.

The second accommodating space 312 is defined between an upper wall and a lower wall. Referring again to FIG. 3A, the first accommodating space 311 is defined between an upper wall 331 and a lower wall 332. The upper wall 331 and the lower wall 332 are adapted to restrict the head 411 of the positioning structure 214 from moving up and down. 2 and 5 again, the battery module 300 includes an abutment wall 333 located on one side of the second accommodating space 312. The lower tube 210 is inclined, and the battery module 300 is inclined downward due to gravity, against the positioning structure 214 against the wall 333 to prevent the battery module 300 from sliding down.

It should be understood that the first fixing device and the second fixing device may be a columnar one. The first matching device and the second matching device are embodiments of a receiving space for matching the fixed column, and are not limited by the present invention. In another embodiment, the first fixing device and the second fixing device may be a receiving space, and the first matching device and the second matching device are a column-shaped fixing post that fits the receiving space. In addition, the invention also does not limit the first fixing device and the second fixing device; and the specific structure of the first matching device and the second matching device, as long as the battery module 300 can enter the support space 251 from the side of the support space 251 Any structure is fine.

According to an embodiment of the present invention, since the battery module 300 is rotated on the top surface 211 of the lower tube 210, it can enter the support space 251 from the side of the support space 251. Therefore, the battery module 300 can be conveniently installed without being interfered by the upper tube 230 or the riser 220. Whether it is to increase the electric capacity or place a backup battery, it can provide a convenient installation structure.

200‧‧‧Electric bicycle rack

210‧‧‧ down tube

220‧‧‧Riser

230‧‧‧ top tube

300‧‧‧Battery module

Claims (10)

An electric bicycle rack includes: a plurality of tubes connected to each other, and the tubes include a first tube, and a first fixing device and a second fixing device are formed on a surface of the first tube; And a battery module, forming a first matching device and a second matching device, wherein the shape of the first matching device matches the shape of the first fixing device, so that the first matching device and the first fixing device are combined At this time, the battery module can rotate between the first fitting device and the first fixing device, and the shape of the second fitting device matches the shape of the second fixing device, and the shape of the second fitting device is suitable for The battery module rotates in a first direction of rotation, so that the second matching device is combined with the second fixing device, wherein, when the first fixing device includes a columnar first fixing column, and the second When the fixing device includes a columnar second fixing column, the first matching device includes a first receiving space, and the second matching device includes a second receiving space; or, when the first matching device includes a column A first fixing post in a shape, and the second fitting device includes a second fixing post in a column shape, the first fixing device includes a first accommodating space, and the second fixing device includes a second accommodating space A space, wherein the first accommodating space includes a first opening for the first fixing post to enter the first accommodating space from the first opening, and the second accommodating space includes a second opening, The direction that the second opening faces is that the battery module rotates in the first rotation direction with the first fixing post as a rotation axis, so that the second The direction in which the fixed column enters the second accommodating space. The electric bicycle frame according to claim 1, wherein the first rotation direction is a clockwise direction. The electric bicycle frame according to claim 1, wherein the direction that the first opening faces is different from the direction that the second opening faces. The electric bicycle rack according to claim 1, wherein the tubes further include a second tube, wherein both ends of the first tube and the second tube are connected to each other to form a support space, the first The surface of the tube faces the supporting space, and the battery module rotates on the surface, thereby entering the supporting space from one side of the supporting space. The electric bicycle rack according to any one of claims 1 to 4, wherein the battery module further includes an elastic sheet, the elastic sheet is disposed on one side of the second accommodating space, and enters the first fixed column In the state of two accommodating spaces, the elastic sheet rests on the second fixing post, thereby preventing the battery module from falling off. The electric bicycle frame according to claim 5, wherein the battery module further includes a button, and in a state where the button is pressed, the elastic sheet is released to detach from the second fixing post, so that the battery module When rotating in a second rotation direction, the second fixed column can be separated from the second accommodating space, and the second rotation direction is opposite to the first rotation direction. The electric bicycle rack according to any one of claims 1 to 4, wherein, when the first fixing device includes the first fixing column and the second fixing device includes the second fixing column, the At least two positioning holes are formed on the surface; or when the first fitting device includes the first fixing post, and the second fitting device includes the second When fixing the post, the battery module is formed with at least two positioning holes, wherein the first fixing post and the second fixing post are respectively a positioning structure, the positioning structure includes a head and a bolt, and the head The diameter of the portion is larger than the diameter of the bolt portion, and the bolt portions are respectively embedded in the positioning holes. The electric bicycle frame according to claim 7, wherein the first accommodating space is defined between an upper wall and a lower wall, and the upper wall and the lower wall are adapted to restrict the head of the positioning structure from moving up and down . The electric bicycle rack according to claim 4, wherein the first tube is a lower tube and the second tube is an upper tube or a stand tube. The electric bicycle frame according to claim 7, wherein the positioning structure is a screw-like structure, the positioning hole is a screw hole, the bolt portion is a bolt, and the bolts are screwed into the screw holes, respectively .

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