CN216762010U

CN216762010U - Electric bicycle

Info

Publication number: CN216762010U
Application number: CN202122885149.0U
Authority: CN
Inventors: 杨自杰
Original assignee: Qizhou Guangzhou Electric Vehicle Co ltd; Heshan Gelaishi Vehicle Industry Co ltd
Current assignee: Qizhou Guangzhou Electric Vehicle Co ltd; Heshan Gelaishi Vehicle Industry Co ltd
Priority date: 2021-11-23
Filing date: 2021-11-23
Publication date: 2022-06-17
Anticipated expiration: 2031-11-23

Abstract

The utility model relates to the technical field of vehicles, and provides an electric bicycle which comprises a frame, a first battery, a second battery and a driver, wherein the frame comprises a front fork, a mounting beam and a connecting beam, the connecting beam is connected between the front fork and the mounting beam, a mounting cavity is formed in the connecting beam, the mounting beam is used for mounting a cushion, the first battery is mounted in the mounting cavity, the second battery is mounted on the mounting beam, and the driver is electrically connected with the first battery and the second battery to drive the electric bicycle to run. By arranging the first battery and the second battery, the total battery capacity of the electric bicycle can be effectively increased, so that the endurance mileage of the electric bicycle can be effectively improved, and meanwhile, the charging frequency of the electric bicycle can be reduced, so that the service lives of the first battery and the second battery can be effectively prolonged; in addition, the first battery is arranged in the installation cavity of the connecting beam, so that the first battery can be effectively protected, and the whole structure of the electric bicycle can be more compact.

Description

Electric bicycle

Technical Field

The utility model relates to the technical field of vehicles, and particularly provides an electric bicycle.

Background

Electric bicycles are increasingly widely used as green and environment-friendly vehicles.

However, the existing electric bicycle has small total battery capacity and short endurance mileage, so that mileage anxiety is easy to occur when people ride the electric bicycle, the charging times are increased, and the service life of the battery is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an electric bicycle, and aims to solve the technical problems of short driving range and short service life of a battery caused by small battery capacity of the conventional electric bicycle.

In order to achieve the purpose, the embodiment of the utility model adopts the technical scheme that: an electric bicycle comprising:

the frame comprises a front fork, a mounting beam for mounting a cushion and a connecting beam connected between the front fork and the mounting beam, wherein a mounting cavity is formed in the connecting beam;

the first battery is arranged in the mounting cavity;

the second battery is arranged on the mounting beam;

and the driver is electrically connected with the first battery and the second battery to drive the electric bicycle to run.

The electric bicycle provided by the embodiment of the utility model at least has the following beneficial effects: by arranging the first battery and the second battery, the total battery capacity of the electric bicycle can be effectively increased, so that the endurance mileage of the electric bicycle can be effectively improved, and meanwhile, the charging frequency of the electric bicycle can be reduced, so that the service lives of the first battery and the second battery can be effectively prolonged; in addition, the first battery is arranged in the installation cavity of the connecting beam, so that the first battery can be effectively protected, the whole structure of the electric bicycle can be more compact, and the size of the electric bicycle can be effectively reduced.

In one embodiment, the electric bicycle further comprises a dual power converter electrically connected to the first battery and the second battery.

In one embodiment, the actuator is mounted to the frame and is positioned below the mounting beam.

In one embodiment, the electric bicycle further comprises a wheel and a transmission assembly, the transmission assembly comprises a driving fluted disc, a driven fluted disc and a transmission chain, the driving fluted disc is fixedly connected with the output end of the driver, the driven fluted disc is fixedly connected with the wheel axle of the wheel, and the transmission chain is wound between the driving fluted disc and the driven fluted disc.

In one embodiment, the second battery is mounted on a side of the mounting beam facing away from the connecting beam.

In one embodiment, the second battery comprises a battery box and a battery body, the battery box is mounted on the mounting beam, a first electric socket electrically connected with the driver is arranged in the battery box, the battery body is mounted in the battery box, a first electric plug is arranged on the battery body, and the first electric plug and the first electric socket can be mutually plugged after the battery body is placed in the battery box.

In one embodiment, the battery box is provided with an anti-theft lock, and the anti-theft lock is used for locking the battery body in the battery box.

In one embodiment, the electric bicycle further comprises a locking member, the connecting beam comprises a first beam section for connecting with the front fork and a second beam section for connecting with the mounting beam, one end of the first beam section far away from the front fork is hinged with one end of the second beam section far away from the mounting beam, and the locking member can be locked after the first beam section and the second beam section are mutually jointed.

In one embodiment, the electric bicycle further comprises a second electric socket for electrically connecting with the driver, the mounting cavity is divided into a first cavity formed in the first beam section and a second cavity formed in the second beam section, the first battery is mounted in the first cavity, a second electric plug is arranged at one end of the first battery far away from the front fork, the second electric socket is mounted in the second cavity, and the second electric plug and the second electric socket can be plugged into each other after the first beam section and the second beam section are jointed.

In one embodiment, a sliding connection structure is arranged between the first battery and the wall of the installation cavity, and the sliding connection structure extends along the length direction of the connection beam.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of an electric bicycle according to an embodiment of the present invention;

FIG. 2 is a front view of the electric bicycle illustrated in FIG. 1;

FIG. 3 is a cross-sectional view of the electric bicycle illustrated in FIG. 2 taken along the direction A-A;

fig. 4 is a schematic view of a detachable structure of a first battery and a second electrical socket according to an embodiment of the present invention.

Wherein, in the figures, the respective reference numerals:

100. an electric bicycle; 110. a frame; 111. mounting a beam; 112. a connecting beam; 1121. a first beam section; 1122. a second beam section; 1123. a mounting cavity; 120. a first battery; 121. a second electrical plug; 130. a second battery; 131. a battery case; 1311. an anti-theft lock; 132. a battery body; 140. a driver; 150. a second electrical socket.

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 illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model.

In the description of the present invention, it is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present invention and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting 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 implicitly indicating 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 expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

Referring to fig. 1 to 3, an electric bicycle 100 includes a frame 110, a first battery 120, a second battery 130, a driver 140, a seat cushion (not shown) and a front wheel (not shown), wherein the driver 140 is a motor. The frame 110 includes a front fork for mounting a front wheel, a mounting beam 111, and a coupling beam 112 coupled between the front fork and the mounting beam 111 and having a mounting cavity 1123 formed in the coupling beam 112, and a seat cushion mounted on the mounting beam 111. The first battery 120 is installed in the installation cavity 1123, the second battery 130 is installed on the installation beam 111, and the first battery 120 and the second battery 130 are respectively electrically connected with the driver 140 to jointly provide electric energy for the driver 140, so that the driver 140 can drive the electric bicycle 100 to run.

The connecting beam 112 may be disposed substantially horizontally from the front fork to the mounting beam 111, and the electric bicycle 100 with the above structure is more suitable for male users; the connecting beam 112 may be inclined downward from the front fork to the mounting beam 111, and the electric bicycle 100 with the above structure is more suitable for female users.

By arranging the first battery 120 and the second battery 130, the total battery capacity of the electric bicycle 100 can be effectively increased, so that the endurance mileage of the electric bicycle 100 can be effectively increased, and the charging frequency of the electric bicycle 100 can be reduced, so that the service lives of the first battery 120 and the second battery 130 can be effectively prolonged; in addition, by installing the first battery 120 in the installation cavity 1123 of the connection beam 112, the protection effect of the first battery 120 can be effectively achieved, and the overall structure of the electric bicycle 100 can be more compact, so that the volume of the electric bicycle 100 can be effectively reduced.

In one embodiment, the electric bicycle 100 further includes a dual power converter (not shown) electrically connected to the first battery 120 and the second battery 130.

The dual power supply converter can ensure that the first battery 120 and the second battery 130 can work synchronously, namely, the first battery 120 and the second battery 130 are charged and discharged synchronously.

In one embodiment, as shown in fig. 2, the driver 140 is mounted on the frame 110 and below the mounting beam 111. Since the mounting beam 111 is used for mounting the seat cushion, the mounting beam 111 is located at a substantially middle position of the electric bicycle 100, and the driver 140 is disposed below the mounting beam 111, so that the height of the center of gravity of the electric bicycle 100 can be effectively lowered, and the front and rear weights of the electric bicycle 100 can be more balanced, thereby effectively improving the stability of the electric bicycle 100 during traveling.

In one specific example of the above embodiment, the electric bicycle 100 further includes a wheel and transmission assembly (not shown), typically a rear wheel (not shown). The transmission assembly comprises a driving fluted disc, a driven fluted disc and a transmission chain, the driving fluted disc is fixedly connected with the output end of the driver 140, the driven fluted disc is fixedly connected with the wheel axle of the rear wheel, and the transmission chain is wound between the driving fluted disc and the driven fluted disc.

In operation, the driver 140 drives the driving fluted disc to rotate, and the driving fluted disc drives the driven fluted disc to rotate through the transmission chain, so as to drive the rear wheel to rotate, thereby driving the electric bicycle 100 to run.

In another specific example of the above embodiment, the transmission assembly includes a driving bevel gear (not shown), a driven bevel gear (not shown) and a transmission shaft (not shown), the driving bevel gear is fixedly connected to the output end of the driver 140, the driven bevel gear is fixedly connected to the axle of the rear wheel, the transmission shaft is rotatably mounted on the frame 110, the two ends of the transmission shaft are respectively provided with a transmission bevel gear, one transmission bevel gear is engaged with the driving bevel gear, and the other transmission bevel gear is engaged with the driven bevel gear.

In operation, the driver 140 drives the driving bevel gear to rotate, and the driving bevel gear drives the driven bevel gear to rotate through the transmission shaft, so as to drive the rear wheel to rotate, thereby driving the electric bicycle 100 to run.

In one embodiment, as shown in fig. 2, the second battery 130 is mounted on a side of the mounting beam 111 facing away from the connecting beam 112.

By adopting the above technical scheme, the front and rear counterweights of the electric bicycle 100 can be more balanced, so that the running stability of the electric bicycle 100 can be effectively improved.

In one embodiment, please refer to fig. 2, the second battery 130 includes a battery box 131 and a battery body 132, the battery box 131 is mounted on the mounting beam 111, a first electrical socket (not shown) is disposed in the battery box 131, the first electrical socket is electrically connected to the driver 140, the battery body 132 is mounted in the battery box 131, a first electrical plug (not shown) is disposed on the battery body 132, the first electrical plug and the first electrical socket can be plugged into each other after the battery body 132 is inserted into the battery box 131, and the second battery 130 can be electrically connected to the driver 140 through the first electrical socket after an electrical switch of the electric bicycle 100 is turned on.

Specifically, the battery box 131 is detachably mounted on the mounting beam 111, wherein the detachable mounting manner includes, but is not limited to, a fastening mounting manner and a snap-fit mounting manner.

Specifically, be equipped with the handle on battery body 132, battery body 132 installs in battery case 131 through plug mode detachably, when needs charge or change battery body 132 to battery body 132, the user only need hold the handle and extract battery body 132 from battery case 131 in, it is very convenient to operate.

Specifically, as shown in fig. 2, an anti-theft lock 1311 is disposed on the battery box 131, and the anti-theft lock 1311 is used for locking the battery body 132 in the battery box 131.

The battery case 131 is provided with the anti-theft lock 1311, so that the battery body 132 can be effectively prevented from being stolen.

In one embodiment, the electric bicycle 100 further includes a locking member (not shown), and as shown in fig. 2, the connecting beam 112 includes a first beam segment 1121 for connecting with the front fork, and a second beam segment 1122 for connecting with the mounting beam 111, an end of the first beam segment 1121 remote from the front fork is hinged to an end of the second beam segment 1122 remote from the mounting beam 111, and the locking member can be locked after the first beam segment 1121 and the second beam segment 1122 are engaged with each other.

Specifically, the locking member includes a male buckle mounted on the first beam segment 1121 and a female buckle mounted on the second beam segment 1122, and the male buckle and the female buckle can be buckled with each other after the first beam segment 1121 and the second beam segment 1122 are engaged.

When the electric bicycle 100 needs to be folded, the locking fastener is opened, even if the male fastener and the female fastener are separated from each other, and then the first beam section 1121 or the second beam section 1122 is swung around the hinge axis to a position where the first beam section 1121 and the second beam section 1122 are close to each other, so that the folding operation of the electric bicycle 100 can be completed; conversely, when the electric bicycle 100 needs to be unfolded, the first beam segment 1121 or the second beam segment 1122 is reversely swung around the hinge axis to a position where the first beam segment 1121 and the second beam segment 1122 are engaged with each other, and then the male buckle and the female buckle are fastened to each other, so that the unfolding operation of the electric bicycle 100 can be completed.

Through adopting above-mentioned technical scheme, make above-mentioned electric bicycle 100 possess folding function, be more convenient for accomodate and carry electric bicycle 100.

In the above embodiment, please refer to fig. 4, the electric bicycle 100 further includes a second electrical socket 150 for electrically connecting with the driver 140, the mounting cavity 1123 is divided into a first cavity formed in the first beam segment 1121 and a second cavity formed in the second beam segment 1122, the first battery 120 is mounted in the first cavity, and a second electrical plug 121 is disposed at an end of the first battery 120 away from the front fork, the second electrical socket 150 is mounted in the second cavity, and the second electrical plug 121 and the second electrical socket 150 can be plugged into each other after the first beam segment 1121 and the second beam segment 1122 are engaged.

By installing the first battery 120 in the first cavity, the hinge joint between the first beam segment 1121 and the second beam segment 1122 can be moved to the middle position of the electric bicycle 100 to the maximum extent, so that the electric bicycle 100 can be folded in half and half effectively, and the volume of the folded electric bicycle 100 can be reduced effectively.

In the above embodiment, a sliding connection structure is provided between the first battery 120 and the wall of the mounting cavity 1123, and the sliding connection structure extends along the length direction of the connection beam 112. Specifically, the first battery 120 is mounted in the first cavity of the first beam segment 1121, and the sliding connection structure includes a sliding rail and a sliding groove, both of which extend along the length direction of the connection beam 112. The slide rail is arranged on the cavity wall of the first cavity, and the slide groove is arranged on the outer wall of the first battery 120; or, the slide rail is disposed on the outer wall of the first battery 120, and the slide groove is opened on the cavity wall of the first cavity.

Through adopting above-mentioned technical scheme, can effectively improve the installation stability of first battery 120 on the one hand, on the other hand also is more convenient for take out first battery 120 from first cavity.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the utility model, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.

Claims

1. An electric bicycle, characterized in that the electric bicycle comprises:

the first battery is arranged in the mounting cavity;

the second battery is arranged on the mounting beam;

2. The electric bicycle according to claim 1, wherein: the electric bicycle further comprises a dual-power converter, and the dual-power converter is electrically connected with the first battery and the second battery.

3. The electric bicycle according to claim 1, wherein: the driver is mounted on the frame and located below the mounting beam.

4. The electric bicycle according to claim 3, wherein: the electric bicycle further comprises wheels and a transmission assembly, the transmission assembly comprises a driving fluted disc, a driven fluted disc and a transmission chain, the driving fluted disc is fixedly connected with the output end of the driver, the driven fluted disc is fixedly connected with the wheel shaft of the wheels, and the transmission chain is wound on the driving fluted disc and between the driven fluted discs.

5. The electric bicycle according to any one of claims 1 to 4, wherein: the second battery is installed on one side of the installation beam, which is far away from the connecting beam.

6. The electric bicycle according to any one of claims 1 to 4, wherein: the second battery comprises a battery box and a battery body, the battery box is arranged on the mounting beam, a first electric socket which is electrically connected with the driver is arranged in the battery box, the battery body is arranged in the battery box, a first electric plug is arranged on the battery body, and the first electric plug and the first electric socket can be mutually inserted after the battery body is arranged in the battery box.

7. The electric bicycle according to claim 6, wherein: the battery box is provided with an anti-theft lock, and the anti-theft lock is used for locking the battery body in the battery box.

8. The electric bicycle according to any one of claims 1 to 4, wherein: the electric bicycle further comprises a locking fastener, the connecting beam comprises a first beam section and a second beam section, the first beam section is used for being connected with the front fork, the second beam section is used for being connected with the mounting beam, one end, far away from the front fork, of the first beam section is hinged with one end, far away from the mounting beam, of the second beam section, and the locking fastener can be locked after the first beam section and the second beam section are mutually jointed.

9. The electric bicycle according to claim 8, wherein: the electric bicycle further comprises a second electric socket which is used for being electrically connected with the driver, the mounting cavity is divided into a first cavity formed in the first beam section and a second cavity formed in the second beam section, the first battery is mounted in the first cavity, a second electric plug is arranged at one end, far away from the front fork, of the first battery, the second electric socket is mounted in the second cavity, and the second electric plug and the second electric socket can be mutually plugged after the first beam section is jointed with the second beam section.

10. The electric bicycle according to claim 8, wherein: and a sliding connection structure is arranged between the first battery and the wall of the mounting cavity and extends along the length direction of the connecting beam.