CN210555409U

CN210555409U - Electric bicycle

Info

Publication number: CN210555409U
Application number: CN201921126597.9U
Authority: CN
Inventors: 王剑; 汤俊
Original assignee: Ninebot Beijing Technology Co Ltd
Current assignee: Ninebot Beijing Technology Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-05-19
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses an electric bicycle, electric bicycle includes: a frame; a battery compartment, the battery compartment comprising: the seat barrel is arranged at the rear part of the frame, an accommodating cavity is formed in the seat barrel, the seat is rotatably arranged at the top of the seat barrel to open and close the accommodating cavity, and a first interface is arranged at the bottom of the seat barrel; the battery is contained in the containing cavity, when the battery is charged or powered, the containing cavity is closed by the seat, the bottom of the battery is provided with a second interface, and the first interface and the second interface are in up-and-down insertion fit. From this, when placing the battery, the user can place the battery directly according to the orientation from the top down with the battery, then the second interface that is located the battery bottom is direct to accomplish with the butt joint of first interface, and when taking out the battery, the user can directly extract the battery according to the orientation from the bottom up in addition to can save the process of plug connecting wire, can simplify getting of battery and put the step, can further improve placing safety of battery moreover.

Description

Electric bicycle

Technical Field

The utility model belongs to the technical field of the bicycle technique and specifically relates to an electric bicycle is related to.

Background

In the related art, an electric bicycle is generally provided with a seat barrel at the rear part, a battery is placed in the seat barrel, and after the battery is installed in place, the electric bicycle utilizes a connecting wire to electrically connect an electric device with the battery, so that the battery installation process is complicated, and the safety is poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the present invention is to provide an electric bicycle, which is simple to take and place the battery, and has high safety.

According to the utility model discloses an electric bicycle, include: a frame; a battery compartment, the battery compartment comprising: the seat barrel is arranged at the rear part of the frame, an accommodating cavity is formed in the seat barrel, the seat is rotatably arranged at the top of the seat barrel to open and close the accommodating cavity, and a first interface is arranged at the bottom of the seat barrel; the battery is accommodated in the accommodating cavity, when the battery is charged or powered, the accommodating cavity is closed by the seat, a second interface is arranged at the bottom of the battery, and the first interface and the second interface are in up-and-down insertion fit.

From this, when placing the battery, the user can place the battery directly according to the orientation from the top down with the battery, then the second interface that is located the battery bottom is direct to accomplish with the butt joint of first interface, and when taking out the battery, the user can directly extract the battery according to the orientation from the bottom up to can save the process of recycling the connecting wire and connecting, can simplify getting of battery and put the step, can further improve placing safety of battery moreover.

In some examples of the invention, the frame comprises: the battery compartment comprises a front part, a middle part and a rear part which are sequentially connected, wherein an installation space is formed in the rear part, and the battery compartment is installed in the installation space.

In some examples of the invention, the rear portion comprises: the base plate is connected to the lower portions of the side rods, and the bottom of the seat barrel is fixed to the base plate.

In some examples of the present invention, a bottom of the seat tube is formed with a first through hole, and the first interface is installed on the bottom plate and extends into the seat tube from the first through hole.

In some examples of the present invention, the electric bicycle further comprises: the damping pad is installed in the bottom plate, the first interface install in the damping pad.

In some examples of the present invention, the first through hole is provided at a bottom center of the seat tube and has a circular or rectangular shape.

In some examples of the invention, the battery comprises: the bottom shell and decorate the cover, decorate the cover and install in the below of bottom shell, the bottom shell is formed with the second perforation, decorate the cover and be formed with the third perforation, the second interface install in the second perforation and follow the third perforation exposes.

In some examples of the invention, a bottom surface of the second interface is higher than a bottom surface of the trim cover.

In some examples of the invention, the bottom of the seat tube is provided with a first guide, the bottom of the battery is provided with a second guide, the first guide with the second guide is right from top to bottom.

In some examples of the invention, one of the first guide and the second guide is a guide post and the other is a guide hole.

In some examples of the present invention, the seat tube is formed with a rib protruding inward inside.

In some examples of the invention, the top of the rib is provided with a guide portion that increases in depth from top to bottom towards the inner protrusion.

In some examples of the invention, the seat tube comprises an upper tube section and a lower tube section, the cross-sectional area of the upper tube section decreases progressively in a direction from top to bottom.

In some examples of the present invention, at least one of the side walls corresponding to the upper barrel section is a sloped straight surface or a curved surface.

In some examples of the invention, the battery compartment further comprises: the electronic lock is arranged at the matching position of the seat barrel and the seat and used for locking the seat;

in some examples of the present invention, a fourth through hole penetrating from top to bottom is formed at the top of the seat tube, and a wire passing hole is further formed at an edge of one side; the electric bicycle further includes: the first end interface of connecting wire with first interface electricity is connected, the second end interface of connecting wire set up in fourth perforation department with stretch into the end interface grafting that charges of the charging wire in the seat section of thick bamboo, cross the line hole and be used for supplying the line body process of charging wire.

In some examples of the present invention, the wire passing hole is higher than the fourth through hole, and the fourth through hole is disposed at the top of the seat tube and is far away from one side of the wire passing hole.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a cross-sectional view of a battery mounted in a cartridge;

FIG. 2 is a cross-sectional view of a battery being installed into a cartridge;

FIG. 3 is a schematic view of the seat tube and base plate;

FIG. 4 is a schematic diagram of a battery;

fig. 5 is an exploded view of the battery;

FIG. 6 is a schematic view of the charging cord extending into the seat tube;

figure 7 is a schematic view of the seat tube and charging cord.

Reference numerals:

a seat cylinder 10; an accommodating chamber 11; a first interface 12; a first through hole 13; a first guide member 14; a convex rib 15; a guide portion 16; an upper barrel section 17; a lower barrel section 18; a fourth perforation 19; a wire passing hole 191;

a battery 20; a bottom case 21; a decorative cover 22; a second through hole 23; a third perforation 24; the second guide 25; a second interface 26;

a base plate 30; a damping pad 40; a charging wire 50; a charging terminal interface 51; a wire body 52; a second end interface 60.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

An electric bicycle according to an embodiment of the present invention is described below with reference to fig. 1 to 7.

As shown in fig. 1 and 2, an electric bicycle according to an embodiment of the present invention may include: frame, battery cabin and battery 20, the battery cabin includes: the seat tube 10 is disposed at the rear of the vehicle frame, the seat tube 10 is formed with an accommodating chamber 11, and the seat is rotatably disposed at the top of the seat tube 10 to open and close the accommodating chamber 11. It can be understood that the battery compartment can completely accommodate the battery 20, as shown in fig. 1, most of the structure of the battery 20 is accommodated in the seat tube 10, a small part of the structure can be accommodated in the lower portion of the seat, and the lower portion of the seat can also form a small-space cavity or groove to accommodate the small part of the structure of the battery 20, so that the battery compartment can sufficiently accommodate and protect the battery 20, the battery 20 can be prevented from being exposed to the outside of the battery compartment, and the working safety and the charging safety of the battery 20 can be ensured. In addition, it should be noted that the seat may be directly used as a top cover of the seat tube 10, or the seat may be integrated on the top cover of the seat tube 10.

As shown in fig. 1 and 2, the bottom of the seat tube 10 is provided with a first interface 12, the battery 20 is accommodated in the accommodating cavity 11, when the battery 20 is charged or powered, the seat closes the accommodating cavity 11, the bottom of the battery 20 is provided with a second interface 26, and the first interface 12 and the second interface 26 are in up-and-down insertion fit. That is to say, when placing battery 20, the user can directly place battery 20 according to the direction from the top down with battery 20, then second interface 26 that is located the battery 20 bottom directly docks with first interface 12 and accomplishes, and when taking out battery 20, the user can directly extract battery 20 according to the direction from the bottom up to can save the process of plug connecting wire, can simplify the step of getting of battery 20, and can further improve battery 20's the security of placing.

Wherein, the battery compartment still includes: and the electronic lock is arranged at the matching part of the seat barrel 10 and the seat and used for locking the seat. The electronic lock can realize the functions of electronic locking and unlocking of the seat, so that when the battery 20 is charged or works, the electronic lock can keep the state of locking the seat, and the safety of the battery 20 can be ensured.

According to the utility model discloses an optional embodiment, the frame includes: the battery compartment comprises a front part, a middle part and a rear part which are sequentially connected, wherein an installation space is formed in the rear part, and the battery compartment is installed in the installation space of the rear part. The front part is used for installing front wheels and handlebars, the middle part is used for a user to pedal, the rear part is used for placing a battery compartment and rear wheels, correspondingly, the battery 20 and the seat are correspondingly placed at the rear part, the electric bicycle is reasonable in structural arrangement, the battery 20 can be effectively protected, and the integration level of the electric bicycle can be improved.

Further, the rear portion includes: side bars and a bottom plate 30, the bottom plate 30 is connected to the lower part of the side bars, and the bottom of the seat tube 10 is fixed on the bottom plate 30. The side bars can be divided into a left group and a right group, the shape of each group of side bars is not limited, the bottom plate 30 is connected to the lower parts of the two groups of side plates, and the bottom plate 30 is used for installing the seat barrel 10, so that the installation reliability of the seat barrel 10 can be ensured, and the installation reliability of the battery 20 can be further ensured.

As shown in fig. 3, a first through hole 13 is formed at the bottom of the cartridge 10, the first port 12 is mounted on the bottom plate 30, and the first port 12 extends into the cartridge 10 from the first through hole 13. That is, the first interface 12 can be installed on the bottom plate 30 and then exposed from the bottom of the seat tube 10, so that the connection line can be conveniently arranged for the electric device on the vehicle frame, the upper end of the connection line is the first interface 12, and after the second interface 26 of the battery 20 is connected with the first interface 12 in a butt joint manner, the electric device can be in a standby state or a working state. The first interface 12 arranged in this way can effectively simplify the arrangement on the vehicle frame, and can make the arrangement of the first interface 12 on the bottom of the seat tube 10 simple and reliable.

Specifically, as shown in fig. 2 and 3, the electric bicycle further includes: the damping pad 40, the damping pad 40 is mounted to the base plate 30, and the second port 26 is mounted to the damping pad 40. The vibration damping pad 40 can perform a vibration damping function, so that the vibration of the frame transmitted to the base plate 30 is damped and attenuated by the vibration damping pad 40 and then transmitted upward during the running of the electric bicycle, thereby ensuring the operational reliability of the battery 20.

As shown in fig. 3, the first through hole 13 is provided at the center of the bottom of the cartridge 10, and the first through hole 13 has a circular or rectangular shape. For example, the first through hole 13 is located at the bottom center of the cartridge 10, and the first through hole 13 is substantially rectangular, and correspondingly, the second port 26 is located at the bottom center of the battery 20, so that the first port 12 and the second port 26 can be aligned up and down. Wherein the first interface 12 may be a socket and the second interface 26 may be a plug. The first through hole 13 thus provided facilitates the arrangement of the first connector 12 on the one hand and also ensures the plug-in reliability of the first connector 12 and the second connector 26 on the other hand.

According to an alternative embodiment of the present invention, as shown in fig. 4 and 5, the battery 20 includes: the bottom case 21 and the trim cover 22 are configured such that the trim cover 22 is attached to a lower portion of the bottom case 21, the bottom case 21 is formed with a second through hole 23, the trim cover 22 is formed with a third through hole 24, and the second port 26 is attached to the second through hole 23 and exposed from the third through hole 24. That is, the bottom case 21 may serve to mount the second interface 26, the decoration cover 22 may serve to decorate and expose the second interface 26, and the battery 20 thus provided may enable the second interface 26 to be reliably mounted and may enable the battery 20 to have better reliability in the overall structure.

Wherein the bottom surface of the second port 26 is higher than the bottom surface of the trim cover 22. The trim cover 22 thus configured may protect the second interface 26 at least to some extent, which may extend the useful life of the second interface 26. And the third aperture 24 may also serve as a guide for installation, at least to some extent.

Alternatively, as shown in fig. 2, the base of the cartridge 10 is provided with a first guide 14, the base of the battery 20 is provided with a second guide 25, and the first guide 14 and the second guide 25 are vertically opposite. The first guide 14 and the second guide 25 can serve as a guide for installation, and the installation reliability of the battery 20 inside the cartridge 10 can be further improved. The first guide 14 and the second guide 25 may be matched in a one-to-one correspondence manner, for example, the first guide 14 may be two, the two first guides 14 may be distributed at two opposite positions of the first interface 12, and the two second guides 25 may be distributed at two opposite positions of the second interface 26, so that the first guide 14 and the second guide 25 may be further arranged to improve the installation reliability of the battery 20 in the seat tube 10.

Wherein one of the first guide 14 and the second guide 25 is a guide post and the other is a guide hole. For example, the first guide member 14 may be a guide post extending upward from the bottom of the cartridge 10, and the second guide member 25 may be a guide hole, and the guide post and the guide hole may be accurately fitted in a butt joint.

As shown in fig. 3, a rib 15 protruding inward is formed inside the cartridge 10. The ribs 15 can be formed on the four side walls of the seat tube 10, the ribs 15 can play a role in reinforcing the structural strength of the seat tube 10, can also play a role in limiting the degree of freedom of the battery 20, and can further ensure the reliability of the battery 20 in the seat tube 10.

Further, as shown in fig. 3, the top of the rib 15 is provided with a guide portion 16, and the depth of the protrusion of the guide portion 16 toward the inside increases from top to bottom. The guide portion 16 may serve as a guide, which may guide the battery 20 to be smoothly installed in the cartridge 10, and facilitate the smooth docking of the first interface 12 and the second interface 26, which may improve the installation efficiency of the battery 20.

According to an embodiment of the present invention, as shown in fig. 3, the seat tube 10 includes an upper tube section 17 and a lower tube section 18, and the cross-sectional area of the upper tube section 17 decreases from the top to the bottom. It is understood that the cross-sectional area of the upper barrel section 17 may be larger than the cross-sectional area of the battery 20, which may facilitate the placement of the battery 20 from the upper barrel section 17 into the seat barrel 10, and the upper barrel section 17 may guide the battery 20 into the lower barrel section 18 smoothly due to the decreasing cross-sectional area from top to bottom, and may further facilitate the docking of the first connector 12 and the second connector 26.

Wherein, at least one side wall corresponding to the upper barrel section 17 is an inclined straight surface or an arc surface. The cross-sectional area of the upper cylinder section 17 can be effectively enlarged by the inclined straight surface or the arc surface, so that the battery 20 can be conveniently taken and placed.

According to an embodiment of the present invention, as shown in fig. 6 and 7, the top of the seat tube 10 is provided with a fourth through hole 19 penetrating from top to bottom, and a line passing hole 191 is further provided at one side edge of the top of the seat tube 10. The electric bicycle further includes: and the first end interface of the connecting wire is electrically connected with the first interface 12 in a plugging and matching mode. The second end interface 60 of the connection line is disposed at the fourth through hole 19 to be plugged with the charging end interface 51 of the charging line 50 extending into the seat tube 10, and the wire passing hole 191 is used for the line body 52 of the charging line 50 to pass through. The battery compartment that so sets up can allow charging terminal interface 51 of charging wire 50 to stretch into its inside and charge, and in charging process, the electronic lock can keep the state of locking seat moreover, because charging terminal interface 51 is located inside the battery compartment, can prevent effectively that battery and charging wire 50 under the charged state from being stolen, can effectively protect user's property safety. Moreover, by adopting the charging mode, a user can plug the charging terminal interface 51 up and down, and the charging and power-off are convenient.

As shown in fig. 7, the wire passing hole 191 is higher than the fourth through hole 19, and the fourth through hole 19 is disposed at a side of the top of the seat tube 10 away from the wire passing hole 191. For example, the wire passing hole 191 is provided at the right side edge of the seat barrel 10, and the fourth penetration hole 19 is provided near the left side edge of the seat barrel 10. The wire passing hole 191 arranged in this way can facilitate the plugging of the charging end interface 51 and the second end interface 60 of the connecting wire, and can ensure that the seat cylinder 10 is reasonable in overall structure arrangement and good in reliability.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, "the first feature" and "the second feature" may include one or more of the features. In the description of the present invention, "a plurality" means two or more. In the description of the present invention, the first feature "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact with each other not directly but through another feature therebetween. In the description of the invention, the first feature being "on", "above" and "above" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like 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 present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electric bicycle, characterized by comprising:

a frame;

a battery compartment, the battery compartment comprising: the seat barrel is arranged at the rear part of the frame, an accommodating cavity is formed in the seat barrel, the seat is rotatably arranged at the top of the seat barrel to open and close the accommodating cavity, and a first interface is arranged at the bottom of the seat barrel;

the battery is accommodated in the accommodating cavity, a second interface is arranged at the bottom of the battery, and the first interface and the second interface are in up-and-down insertion fit.

2. The electric bicycle of claim 1, wherein the frame comprises: the battery compartment comprises a front part, a middle part and a rear part which are sequentially connected, wherein an installation space is formed in the rear part, and the battery compartment is installed in the installation space.

3. The electric bicycle of claim 2, wherein the rear portion comprises: the base plate is connected to the lower portions of the side rods, and the bottom of the seat barrel is fixed to the base plate.

4. The electric bicycle of claim 3, wherein the bottom of the seat tube is formed with a first through hole, and the first interface is mounted to the bottom plate and extends into the interior of the seat tube from the first through hole.

5. The electric bicycle according to claim 4, further comprising: the damping pad is installed in the bottom plate, the first interface install in the damping pad.

6. The electric bicycle of claim 4, wherein the first through hole is provided at a bottom center of the seat tube and has a circular or rectangular shape.

7. The electric bicycle of claim 1, wherein the battery comprises: the bottom shell and decorate the cover, decorate the cover and install in the below of bottom shell, the bottom shell is formed with the second perforation, decorate the cover and be formed with the third perforation, the second interface install in the second perforation and follow the third perforation exposes.

8. The electric bicycle of claim 7, wherein a bottom surface of the second interface is higher than a bottom surface of the trim cover.

9. The electric bicycle of claim 1, wherein a first guide is provided at a bottom of the seat tube, a second guide is provided at a bottom of the battery, and the first guide and the second guide face each other up and down.

10. The electric bicycle of claim 9, wherein one of the first guide and the second guide is a guide post and the other is a guide hole.

11. The electric bicycle of claim 1, wherein the seat tube is formed with a rib inwardly protruded.

12. The electric bicycle of claim 11, wherein the top of the rib is provided with a guide portion, and the depth of the guide portion protruding toward the inside increases from top to bottom.

13. The electric bicycle of claim 1, wherein the seat tube comprises an upper tube section and a lower tube section, the cross-sectional area of the upper tube section decreasing in a direction from top to bottom.

14. The electric bicycle of claim 13, wherein at least one side wall of the upper barrel section is a sloped straight surface or a curved surface.

15. The electric bicycle of claim 1, wherein the battery compartment further comprises: the electronic lock is arranged at the matching position of the seat barrel and the seat and used for locking the seat.

16. The electric bicycle as claimed in claim 1, wherein a fourth through hole is formed at the top of the seat tube and penetrates up and down, and a wire passing hole is further formed at one side edge;

the electric bicycle further includes: the first end interface of connecting wire with first interface electricity is connected, the second end interface of connecting wire set up in fourth perforation department with stretch into the end interface grafting that charges of the charging wire in the seat section of thick bamboo, cross the line hole and be used for supplying the line body process of charging wire.

17. The electric bicycle of claim 16, wherein the wire passing hole is higher than the fourth through hole, and the fourth through hole is disposed at a side of the top of the seat tube far away from the wire passing hole.