CN216943400U

CN216943400U - Electric bicycle with built-in battery

Info

Publication number: CN216943400U
Application number: CN202220681639.0U
Authority: CN
Inventors: 林建山; 宿仁天; 唐之珂
Original assignee: Jiangsu Yingnuo Yingke Intelligent Technology Co ltd
Current assignee: Jiangsu Yingnuo Yingke Intelligent Technology Co ltd
Priority date: 2022-03-27
Filing date: 2022-03-27
Publication date: 2022-07-12
Anticipated expiration: 2032-03-27

Abstract

The utility model relates to an electric bicycle with a built-in battery, which comprises a frame device, a front wheel arranged at the front end of the frame device, a rear wheel arranged at the rear end of the frame device and an electric device for electrically driving the electric bicycle; the frame device comprises a main frame which is inclined downwards from front to back, and the main frame comprises a straight cylinder and a vertical pipe arranged at the rear end of the straight cylinder; electric power unit is including setting up driving motor on the rear wheel, provide the battery of electric energy for driving motor, and control battery and driving motor's controller, the battery is installed in straight barrel, and press close to and be fixed in the riser, the controller sets up in straight barrel, the controller passes through the wire electricity with the battery and is connected, the front end of straight barrel is provided with the headlight, the headlight passes through the wire and is connected with the battery electricity, the rear end of straight barrel is provided with the back light, the back light passes through the wire and is connected with the battery electricity, the wire sets up in straight barrel, be provided with the interface that charges on the surface of back light, the interface that charges is connected with the battery electricity.

Description

Electric bicycle with built-in battery

Technical Field

The utility model relates to an electric bicycle with a built-in battery.

Background

Electric bicycles, namely electric drive vehicles, also known as electric drive vehicles. Generally, an electric bicycle is a vehicle that uses a battery as an energy source, and converts electric energy into mechanical energy through a controller, a motor and other components to move so as to control the current and change the speed. The existing electric bicycle comprises a main frame, a front fork frame is arranged at the front end of the main frame, a rear fork frame is arranged at the rear end of the main frame, the main frame is horizontally arranged, a front wheel is installed on the front fork frame, a rear wheel is installed on the rear fork frame, a battery which provides electric energy for the electric bicycle is installed on a rear support above the rear wheel or installed at the rear end of a saddle frame, the occupied area of the battery is large, the battery and a controller are distributed in different parts, wiring between the battery and the controller is complex, and a large amount of wires are required to be exposed.

SUMMERY OF THE UTILITY MODEL

The utility model provides an electric bicycle with a built-in battery.

The technical scheme adopted by the utility model for solving the technical problems is as follows: the electric bicycle with the built-in battery comprises a frame device, a front wheel arranged at the front end of the frame device, a rear wheel arranged at the rear end of the frame device and an electric device for electrically driving the electric bicycle;

the frame device comprises a main frame which is inclined downwards from front to back, and the main frame comprises a straight cylinder and a vertical pipe arranged at the rear end of the straight cylinder;

electric power unit is including setting up driving motor on the rear wheel, provide the battery of electric energy for driving motor, and control battery and driving motor's controller, the battery is installed in straight barrel, and press close to and be fixed in the riser, the controller sets up in straight barrel, the controller passes through the wire electricity with the battery and is connected, the front end of straight barrel is provided with the headlight, the headlight passes through the wire and is connected with the battery electricity, the rear end of straight barrel is provided with the back light, the back light passes through the wire and is connected with the battery electricity, the wire sets up in straight barrel, be provided with the interface that charges on the surface of back light, the interface that charges is connected with the battery electricity.

Furthermore, a switch for turning on the rear lamp is arranged on the rear lamp.

Furthermore, the cover body is arranged at the charging interface, and when the charging interface is not used, the cover body seals the charging interface.

Further, one end portion of the cover body is fixedly mounted on the outer surface of the rear lamp.

Further, the edge of the headlight is provided with a first positioning part which is matched with the inner wall of the straight cylinder.

Furthermore, the edge of the rear lamp is provided with a second positioning part which is matched with the inner wall of the straight cylinder body.

Furthermore, a front fork frame and a handle frame are arranged below the front end of the straight barrel body, and the front fork frame is connected with the handle frame.

Further, straight barrel front end below integrated into one piece has the second registration arm of crotch before the location, and top integrated into one piece has the first registration arm of crotch before the location, and first registration arm is coaxial setting with the second registration arm, and first registration arm, straight barrel and second registration arm are passed in proper order to preceding crotch.

Furthermore, the upper end of the front fork frame is provided with a hinged seat, one end of the handle frame is hinged on the hinged seat, and the other end of the handle frame is locked on the hinged seat.

Furthermore, a saddle frame is installed in the vertical pipe, and the saddle frame is fixedly installed in the vertical pipe through a hoop.

Compared with the prior art, the electric vehicle has the advantages that the battery, the controller, the front lamp and the rear lamp are all concentrated on the main frame, and the leads connected between the controller and other electrical appliances are all arranged in the main frame, so that the electric vehicle is good in integrity and has good sealing performance.

Drawings

Fig. 1 is a schematic perspective view of an electric bicycle with a built-in battery according to the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an enlarged view of a portion B of fig. 1.

Fig. 4 is a schematic view illustrating a partial explosion structure of the battery-equipped electric bicycle according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be illustrative of the present invention and should not be construed as limiting the present invention, and all other embodiments that can be obtained by one skilled in the art based on the embodiments of the present invention without inventive efforts shall fall within the scope of protection of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "circumferential," "radial," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise explicitly stated or limited, the terms "mounted," "connected," "fixed," and the like are to be construed broadly and may, for example, be 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 according to specific situations by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

As shown in fig. 1 and 4, the electric bicycle with a built-in battery according to the present invention includes a frame device 10, a front wheel 20 mounted to a front end of the frame device 10, a rear wheel 30 mounted to a rear end of the frame device 10, and an electric power device for electrically driving the electric bicycle, and the frame device 10 is provided with a pedal device so that the bicycle can be driven even when there is no electric power.

The frame assembly 10 includes a main frame 11, and a rear fork 12 fixedly mounted to a rear end of the main frame 11, wherein the main frame 11 includes a horizontally disposed straight cylinder 114, and is horizontally disposed and inclined downward from front to rear.

As shown in fig. 3, the rear fork 12 includes two rear fork tubes 122 fixedly installed at the rear end of the main frame 11, the rear fork tubes are flat, a support tube 121 is provided between the two rear fork tubes 122 to support the rear fork tubes 122, the two rear fork tubes 122 are bifurcated on both sides of the rear end, and the rear wheel 30 is installed between the two rear fork tubes 122.

The rear end of the main frame 11 is provided with a vertical pipe 111, the vertical pipe 111 is vertically arranged, the vertical pipe 111 penetrates through a straight cylinder 114 of the main frame, the vertical pipe 111 can be used for fixedly installing the saddle frame 13, and the saddle frame 13 is fixedly installed on the vertical pipe 111 through a hoop so as to be used for a user to adjust the height of the saddle.

The front end of the main frame 11 is provided with a first positioning tube 112 above, the front end is provided with a second positioning tube 113 below, the first positioning tube 112 and the second positioning tube 113 are coaxially arranged, the front end of the main frame is provided with a front fork frame 15 below, the front wheel 20 is mounted on the front fork frame 15, the front fork frame 15 sequentially penetrates through the second positioning tube 113, the straight tube body 114 and the first positioning tube 112 and then is connected with a hinged seat 115, the hinged seat 115 is rotatably mounted at a tube opening of the second positioning tube 113, the hinged seat 115 is hinged with a handle rod 14, the hinged seat 115 is provided with a lock catch, the lower end of the handle rod 14 is provided with a lock block, and during locking, the lock catch is fastened with the lock block, so that the fixed connection of the handle plate and the hinged seat is realized.

The pedal device is arranged at the rear end of the main frame 11, the pedal device comprises a pedal seat 41 arranged at the rear end of the main frame 11, a crank shaft 42 supported on the pedal seat 41 through a bearing, two cranks 43 respectively arranged at two ends of the crank shaft 42, and a pedal plate 44 arranged on the cranks 43, one end of the crank 43 is fixedly arranged on the crank shaft 42, the pedal plate 44 is arranged at the other end of the crank 43, a first chain wheel 45 is further arranged on the crank shaft 42, a second chain wheel 46 is coaxially arranged on the rear wheel 30, a chain 47 is arranged between the first chain wheel 45 and the second chain wheel 46, the height of the rear fork tube 122 is smaller than the diameter of the first chain wheel 45 and the diameter of the second chain wheel 46, and the chain is prevented from being interfered by the rear fork tube.

As shown in fig. 2, the first sprocket 45 is fixedly mounted on one of the cranks 43, specifically, a plurality of first connecting blocks 431 are integrally formed on the crank 43, the first connecting blocks are circumferentially distributed, a plurality of second connecting blocks 451 are arranged on the first sprocket 45, the first connecting blocks 431 and the second connecting blocks 451 realize the fixed connection between the crank 43 and the first sprocket 45 through bolts, a retaining ring 48 is arranged outside the first sprocket, a plurality of third connecting blocks 481 are arranged on the retaining ring, the first connecting blocks 431 are arranged between the second connecting blocks 451 and the third connecting blocks 481, and the number of the first connecting blocks 431 is matched with the number of the second connecting blocks 451 and the number of the third connecting blocks 481.

The rear end of the rear fork tube is provided with an adjusting plate 49, the adjusting plate is provided with a sliding chute 491 which is a U-shaped groove, the end part of the rear wheel driving shaft 31 slides into the sliding chute 491, the rear wheel driving shaft 31 can slide in the sliding chute, and the end part of the rear wheel driving shaft 31 is arranged to be flat so as to adjust the distance between the first chain wheel and the second chain wheel, namely, the chain is tensioned, so that the chain can be normally used; the rear wheel shaft and the adjusting plate are fixedly mounted through a nut 60, specifically, the rear wheel driving shaft 31 penetrates through the adjusting plate 49 and then is in threaded connection with the nut 60, so that the nut 60 is tightly attached to the adjusting plate 49 to realize fixed connection.

The power device includes a driving motor fixedly installed on the rear wheel 30, a controller (not shown in the figure) for controlling the driving motor, and a battery 51 for supplying power to the driving motor, wherein the battery 51 is installed inside the cylinder of the main frame 11 and is closely fixed to the vertical pipe 111 to position the battery, a shock pad 52 is installed at the rear end of the battery to prevent the battery from being damaged when the battery is installed in the cylinder of the main frame, and the controller is fixedly installed outside the casing of the battery, that is, the controller is also installed in the cylinder of the main frame 11.

The battery 51 has at least one battery set, which may be 21700 battery, or other types of batteries, such as 18650 battery, etc.

The front end of the main frame is fixedly provided with a front lamp 54, the inner wall of the straight cylinder 114 is integrally formed with a plurality of mounting posts 116, the mounting posts 116 are provided with threaded holes, the front lamp 54 is fixedly mounted at the front end of the straight cylinder 114 through screws, in some embodiments, the front lamp 54 can also be directly buckled at the front end of the straight cylinder 114, the front lamp 54 is electrically connected with the battery 51 through a conducting wire, the conducting wire is arranged in the straight cylinder 114, the conducting wire is not exposed, the front lamp is provided with a first through hole for mounting the screws, and after the screws are mounted to the first through hole, a sealing cover is buckled in the first through hole to play a good waterproof role. The edge of the headlight 54 is provided with a first positioning portion 541 which fits the inner wall of the straight cylinder. The front lamp 54 is designed by self-opening according to the size of the port of the straight cylinder body of the vehicle body, and the size and shape of the front lamp can be changed according to different vehicle types, so that the vehicle type is more attractive.

The rear end of the straight cylinder 114 is fixedly provided with a rear lamp 55, the mounting post 116 extends from the front end to the rear end of the straight cylinder 114, the rear lamp 55 is fixedly arranged at the rear end of the straight cylinder 114 through a screw, in some embodiments, the rear lamp can also be directly buckled at the rear end of the straight cylinder 114, the rear lamp 55 is electrically connected with the battery 51 through a wire, the wire is arranged in the straight cylinder 114 and is not exposed, the rear lamp is provided with a second through hole for installing the screw, and after the screw is arranged in the second through hole, a sealing cover is buckled in the second through hole, so that a good waterproof effect is achieved; the edge of the rear light 554 is provided with a second positioning portion which is fitted with the inner wall of the straight cylinder.

As shown in fig. 3, the backlight 55 has two layers of light-emitting parts, which are coaxially disposed, the inner layer of light-emitting parts 551 is intermittently annularly disposed, the outer layer of light-emitting parts 552 is annularly disposed as a whole, a switch for making the light-emitting parts of the backlight emit light is disposed in the middle of the backlight, a charging interface 553 is disposed on an exposed surface of the backlight, the charging interface 553 is electrically connected to the battery 51, and a flip cover 56 is disposed at the interface to provide a good waterproof function.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical solutions of the present invention, which are made by using the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An electric bicycle with a built-in battery is characterized in that: the electric bicycle with the built-in battery comprises a frame device, a front wheel arranged at the front end of the frame device, a rear wheel arranged at the rear end of the frame device and an electric device for electrically driving the electric bicycle;

the electric power unit is including setting up driving motor on the rear wheel, for driving motor provides the battery of electric energy, and control the battery with driving motor's controller, the battery install in the straight barrel, and press close to and be fixed in the riser, the controller set up in the straight barrel, the controller with the battery passes through the wire electricity and connects, the front end of straight barrel is provided with the headlight, the headlight pass through the wire with the battery electricity is connected, the rear end of straight barrel is provided with the back light, the back light pass through the wire with the battery electricity is connected, the wire set up in the straight barrel, be provided with the interface that charges on the surface of back light, charge the interface with the battery electricity is connected.

2. The battery-incorporated electric bicycle according to claim 1, wherein the rear lamp is provided with a switch for turning on the rear lamp.

3. The electric bicycle with the built-in battery as claimed in claim 2, wherein a cover is arranged at the charging interface, and when the charging interface is not in use, the cover closes the charging interface.

4. The battery-incorporated electric bicycle according to claim 3, wherein one end of the cover is fixedly attached to an outer surface of the rear lamp.

5. The battery-incorporated electric bicycle according to claim 1, wherein a shock-absorbing pad is provided at a rear end of the battery, and the shock-absorbing pad is fixed to the stand pipe in close proximity.

6. The battery-incorporated electric bicycle of claim 1, wherein the edge of the front light is provided with a first positioning portion that is fitted to the inner wall of the straight cylinder.

7. The battery-equipped electric bicycle according to claim 1, wherein a second positioning part is provided at an edge of the rear lamp, the second positioning part being fitted to an inner wall of the straight tube body.

8. The battery-equipped electric bicycle according to claim 1, wherein a front fork and a handle holder are mounted below a front end of the straight tube body, and the front fork is connected to the handle holder.

9. The battery-equipped electric bicycle according to claim 8, wherein a second positioning pipe for positioning the front fork is integrally formed below the front end of the straight cylinder, and a first positioning pipe for positioning the front fork is integrally formed above the front end of the straight cylinder, the first positioning pipe and the second positioning pipe are coaxially arranged, and the front fork sequentially passes through the first positioning pipe, the straight cylinder and the second positioning pipe.

10. The battery-equipped electric bicycle according to claim 8, wherein a hinge seat is installed at an upper end of the front fork, one end of the handle frame is hinged to the hinge seat, and the other end is latched to the hinge seat.