CN110299490B

CN110299490B - Battery device of scooter and battery pack thereof

Info

Publication number: CN110299490B
Application number: CN201910586188.5A
Authority: CN
Inventors: 凌赵亮; 赵建坤
Original assignee: Ninebot Beijing Technology Co Ltd
Current assignee: Ninebot Beijing Technology Co Ltd
Priority date: 2019-07-01
Filing date: 2019-07-01
Publication date: 2022-04-05
Anticipated expiration: 2039-07-01
Also published as: CN110299490A

Abstract

The invention discloses a battery device of scooter and battery pack thereof, the battery pack comprises: the top wall of the shell is provided with a pressing hole, the bottom wall of the shell is provided with a locking groove, and the pressing hole and the locking groove are opposite up and down; the key is provided with a pressing surface, the key is movably arranged in the shell, and the pressing surface is arranged at the pressing hole; the upper end of the unlocking piece is connected with the lower end of the key, and the lower end of the unlocking piece penetrates through the bottom wall of the shell and is arranged in the locking groove; a battery disposed within the housing; the electric interface is arranged in the key and exposed out of the pressing surface, and the electric interface is electrically connected with the battery. From this, through setting up button and unblock piece, can effectively and initiatively control the unblock and the locking state of battery package to can realize quick installation and dismantle the purpose of battery package, through with the electric interface integration in button department, can reduce occupation space, improve space utilization moreover.

Description

Battery device of scooter and battery pack thereof

Technical Field

The invention relates to the technical field of vehicles, in particular to a battery device of a scooter and a battery pack thereof.

Background

The electric skateboard is a vehicle based on a traditional manpower skateboard and added with an electric power suite. The current electric skateboard is generally divided into a double-wheel drive or a single-wheel drive, the most common transmission modes are a HUB motor (HUB) and a belt drive, and the main power source of the electric skateboard is a battery pack.

Among the correlation technique, the general direct fixed connection of battery package is on the automobile body of scooter, and battery package simple to operate like this, stability is good moreover, but it has following problem simultaneously: the battery package is difficult to dismantle, when the impaired maintenance of battery package was overhauld and was changed, wastes time and energy, easily leads to the damage of scooter moreover, and in addition, this kind of mode also leads to the installation of battery package loaded down with trivial details, and the installation effectiveness is low. In addition, the battery pack arranged in this way is low in integration level and large in occupied space.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, an object of the present invention is to provide a battery pack, which can realize quick detachment of the battery pack and has high integration.

The invention further provides a battery device of the scooter.

The battery pack according to the present invention includes: the top wall of the shell is provided with a pressing hole, the bottom wall of the shell is provided with a locking groove, and the pressing hole and the locking groove are opposite up and down; the key is provided with a pressing surface, the key is movably arranged in the shell, and the pressing surface is arranged at the pressing hole; the upper end of the unlocking piece is connected with the lower end of the key, and the lower end of the unlocking piece penetrates through the bottom wall of the shell and is arranged in the locking groove; a battery disposed within the housing; an electrical interface disposed within the key and exposed from the pressing surface, the electrical interface being electrically connected to the battery.

From this, through setting up button and unblock piece, can effectively and initiatively control the unblock and the locking state of battery package to can realize quick installation and dismantle the purpose of battery package, easy operation can accomplish the dismantlement step through pressing the button moreover. In addition, the electric interface is integrated at the key, so that the user can conveniently control the electric interface, and the space utilization rate can be improved.

In some examples of the invention, the battery pack further includes: the fixing seat is movably arranged in the key and located below the pressing surface, an interface hole is formed in the top wall of the fixing seat, and the end portion of the electrical interface is arranged at the interface hole.

In some examples of the present invention, the electrical interface is connected to a first circuit board, the first circuit board is vertically disposed, and the fixing base is provided with a fixing groove for mounting the first circuit board.

In some examples of the invention, the battery pack further includes: the charging indicator lamp is arranged on the upper surface of the second circuit board, the second circuit board is horizontally arranged in the fixing seat, the second circuit board is electrically connected with the electrical interface, and the key is a light-transmitting piece.

In some examples of the present invention, the charging indicator lights are distributed on two opposite sides of the second circuit board, and the charging indicator lights are located between an inner sidewall of the key and an outer sidewall of the fixing base.

In some examples of the invention, the key comprises: the pressing body is cylindrical, the top portion of the pressing body is provided with an abutting portion extending inwards, the upper surface of the abutting portion is the pressing surface, the fixed seat is arranged in the pressing body and located below the abutting portion, and the conducting piece is installed below the abutting portion.

In some examples of the invention, the battery pack further includes: the rotary guide piece, the diapire of shell is provided with the cover seat, rotary guide piece movably sets up in the cover seat, the button with rotary guide piece cooperatees, the button forces when being pressed rotary guide piece is rotatory, in order to allow it to relatively rotary guide piece moves down, the piece that resets sets up rotary guide piece with between the button.

In some examples of the present invention, a stopper pin is disposed on an outer periphery of the rotary guide, the pressing body is provided with a first stopper hole and a second stopper hole, the first stopper hole is located at a lower side of the second stopper hole, a central angle corresponding to the first stopper hole is smaller than a central angle corresponding to the second stopper hole, the stopper pin is movable in the first stopper hole, and the stopper pin is rotatable and movable in the second stopper hole.

In some examples of the present invention, when the key is not pressed, the stopper pin is located in the first stopper hole or at a connection between the first stopper hole and the second stopper hole.

In some examples of the invention, the electrical interface is a type-c interface.

The battery device of the scooter according to the present invention comprises: a battery holder, the battery holder comprising: the locking piece elastically extends into and out of the first mounting wall; the battery pack; when the key is not pressed, the locking piece is positioned in the locking groove and is abutted against the unlocking piece so as to prevent the second mounting wall from sliding relative to the first mounting wall; after the key is pressed, the key drives the unlocking piece to move and ejects the locking piece out of the locking groove, so that the second mounting wall is allowed to slide relative to the first mounting wall.

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 perspective view of a battery pack according to an embodiment of the present invention;

fig. 2 is an exploded sectional view of the battery pack shown in fig. 1;

fig. 3 is an exploded view of the battery pack shown in fig. 1;

fig. 4 is a sectional view of a battery device according to an embodiment of the present invention;

fig. 5 is an angled cross-sectional view of the battery pack shown in fig. 1;

fig. 6 is a cross-sectional view of another angle of the battery pack shown in fig. 1.

Reference numerals:

a battery device 1000;

a battery holder 100; a first mounting wall 110; a lock 120; a base 130; an elastic member 140;

a battery pack 200; a housing 210; the second mounting wall 211; a third mounting wall 212; a lock groove 213; a sleeve seat 214; a pressing hole 215; an upper housing 216; a lower housing 217;

a key 220; a pressing surface 221; the pressing body 222; a conductive member 223; a mating portion 224; a first retaining hole 225; a second limiting hole 226; a guiding arc edge 227;

an unlocking member 230; a restoring member 231;

the rotation guide 240; a guide portion 241; a spacing pin 242;

an electrical interface 250; a fixed base 260; a fixing groove 261;

a first circuit board 270; a charge indicator lamp 280; a second circuit board 290.

Detailed Description

Embodiments of the present invention will be described in detail below, the embodiments described with reference to the drawings being illustrative, and the embodiments of the present invention will be described in detail below.

Referring to fig. 1 to 6, a battery device 1000 according to an embodiment of the present invention is described, wherein the battery device 1000 is applied to an electric vehicle, such as a scooter, and the battery device 1000 can provide a sliding power.

As shown in fig. 4, the battery device 1000 according to the embodiment of the present invention includes a battery holder 100 and a battery pack 200, wherein the battery holder 100 is used for mounting and fixing the battery pack 200, the battery pack 200 is detachably mounted on the battery holder 100, and the battery pack 200 can be detached in an actively controlled manner, so that the detachment process is simple and convenient.

Specifically, the battery holder 100 includes: a first mounting wall 110 and a locking member 120, the locking member 120 resiliently extending into and out of the first mounting wall 110. The locking member 120 has a certain locking function, and switches its unlocking and locking states of the battery pack 200 by extending into and out of the first mounting wall 110. After the locking member 120 extends into the first mounting wall 110, the locking member 120 cannot lock the battery pack 200, that is, the battery pack 200 can move relative to the battery holder 100, so that the detachment process is completed.

After the locking member 120 extends out of the first mounting wall 110, the locking member 120 can be fitted into a portion of the battery pack 200, so that the locking member 120 can effectively lock the battery pack 200, and the reliability of the battery pack 200 in the battery holder 100 can be ensured.

As shown in fig. 4, the battery holder 100 further includes: a base 130 and an elastic member 140, wherein the elastic member 140 is stopped between the base 130 and the locking member 120. The base 130 is fixed on the bottom wall of the battery pack 200, the bottom wall is opposite to the first mounting wall 110 in the up-down direction, the elastic member 140 is a coil spring, the coil spring can provide elastic force between the base 130 and the locking member 120 to the locking member 120, so that the locking and unlocking processes of the locking member 120 can be smooth, and the resetting operation of the locking member 120, that is, the switching from the unlocking state to the locking state, can be facilitated.

As shown in fig. 2 to 4, the battery pack 200 includes: the housing 210 is formed with a second mounting wall 211 and a third mounting wall 212 which are opposite to each other, the second mounting wall 211 is located right below the third mounting wall 212, wherein the housing 210 comprises an upper housing 216 and a lower housing 217, the upper housing 216 is detachably mounted on the lower housing 217, for example, the upper housing 216 and the lower housing 217 can be fixedly connected by a snap-fit assembly and a fastener, so that the mounting reliability between the two can be ensured. The second mounting wall 211 is a bottom wall of the lower housing 217, the third mounting wall 212 is a top wall of the upper housing 216, and the third mounting wall 212 is provided with a pressing hole 215. The battery is disposed in the case 210, and the battery may be disposed in the case 210 in the form of a battery module, or may be disposed in the case 210 in the form of a plurality of battery cells.

As shown in fig. 4, the second mounting wall 211 is provided with a locking groove 213 that opens toward the first mounting wall 110, that is, the second mounting wall 211 is provided with a locking groove 213 that opens downward, and the locking groove 213 and the pressing hole 215 are disposed to face each other in the vertical direction, that is, the locking groove 213 is located directly below the pressing hole 215. The key 220 is movably disposed on the housing 210, the moving direction of the key 220 may be an up-down direction, the key 220 has a pressing surface 221, the pressing surface 221 is disposed at the third mounting wall 212, that is, at the pressing hole 215 of the third mounting wall 212, the pressing surface 221 is used for a user to press with a hand, and the user operation may be facilitated by disposing it at the third mounting wall 212.

The upper end of the unlocking member 230 is connected to the lower end of the button 220, and the lower end of the unlocking member 230 passes through the bottom wall of the housing 210 and is disposed in the locking groove 213, i.e., a portion of the unlocking member 230 is disposed in the locking groove 213, and the other portion of the unlocking member 230 passes through the second mounting wall 211 and is connected to the button 220. The reset member 231 is disposed in the housing 210, and the reset member 231 is used to push the button 220 to reset. It can be understood that the button 220 drives the unlocking member 230 to move downward by pressing operation, so that the position of the locking member 120 can be controlled, and the unlocking and locking states of the battery holder 100 and the battery pack 200 can be controlled, and thus the battery pack 200 can be selectively mounted and dismounted. The setting of piece 231 resets and can make things convenient for button 220 to press the operation repeatedly, can promote the overall structure stability of battery package 200. Wherein, the restoring member 231 may be a coil spring.

As shown in fig. 4, when the button 220 is not pressed, the locking member 120 is located in the locking groove 213 and abuts against the unlocking member 230 to prevent the second mounting wall 211 from sliding relative to the first mounting wall 110. It can be appreciated that, at this time, the locking member 120 can effectively prevent the battery pack 200 from sliding relative to the battery bracket 100, so as to ensure the installation reliability of the battery pack 200.

After the button 220 is pressed, the button 220 drives the unlocking member 230 to move and eject the locking member 120 out of the locking groove 213, so as to allow the second mounting wall 211 to slide relative to the first mounting wall 110. It can be understood that, after the key 220 is pressed, the key 220 moves downwards, which synchronously brings the unlocking piece 230 to move downwards in the locking groove 213, and the locking piece 120 slowly exits from the locking groove 213 under the action of the unlocking piece 230, so as to release the locking state of the battery pack 200, at this time, the user can slide the battery pack 200 to detach the battery pack 200 from the battery support 100, and thus the user can detach the battery pack 200 to a great extent. The moving direction of the button 220 is perpendicular to the sliding direction of the battery pack 200.

Therefore, through the arrangement of the key 220, the unlocking piece 230 and the locking piece 120, the unlocking and locking states of the battery pack 200 can be effectively and actively controlled, so that the purpose of rapidly installing and disassembling the battery pack 200 can be realized, the operation is simple, and the disassembling step can be completed by pressing the key 220.

According to an alternative embodiment of the present invention, as shown in fig. 2 to 4, the battery pack 200 further includes: the rotation guide 240, the socket 214 is disposed inside the second mounting wall 211 of the housing 210, the rotation guide 240 can be movably disposed in the socket 214, and the button 220, when pressed, forces the rotation guide 240 to rotate to allow it to move downward relative to the rotation guide 240, wherein the rotation guide 240 can guide in a rotating manner and can move, i.e., rotate, relative to the socket 214. The stability of the rotary guide 240 when rotating can be guaranteed by the arrangement of the sleeve holder 214, and the sleeve holder 214 can be arranged to be integrated with the lower shell 217, so that the assembly process can be simplified, and the overall structural strength can be higher. The rotation guide 240 is arranged to enable the key 220 to descend slowly during unlocking, so that the unlocking safety of the battery pack 200 can be further ensured.

As shown in fig. 4, the key 220 is engaged with the rotary guide 240 to be relatively moved by rotation of the rotary guide 240 when being pressed, and the reset member 231 is disposed between the rotary guide 240 and the key 220. That is, the button 220 can be guided by the rotation guide 240 after being pressed, so that the unlocking member 230 can move more smoothly and the overall structure can be more reliable.

Further, as shown in fig. 2 to 4, the key 220 includes: the pressing body 222 and the conducting element 223 abut against each other, for example, the pressing body 222 and the conducting element 223 may be fixedly connected by a snap, but they may also be fixedly connected by other means, for example, an adhesive connection. Of course, the pressing body 222 and the transmission member 223 may be engaged only in the vertical direction and may not be directly fixed.

The pressing body 222 is cylindrical, an abutting portion extending inward is provided at a top portion of the pressing body 222, an upper surface of the abutting portion is a pressing surface 221, the conductive member 223 is further connected to the unlocking member 230, an engaging portion 224 is provided at an outer circumference of the conductive member 223, the rotary guide 240 is cylindrical and a guide portion 241 is provided at an inner circumference thereof, the conductive member 223 extends into the rotary guide 240, and the engaging portion 224 engages with the guide portion 241 to allow the conductive member 223 and the rotary guide 240 to move relatively. Through the cooperation of the engaging portion 224 and the guiding portion 241, the rotating guiding member 240 can be relatively rotated, and then the guiding member 223 drives the unlocking member 230 to move down, so that the reliability of the whole structure can be ensured.

Specifically, the fitting portion 224 is a cylinder extending in a radial direction of the conductor 223 at an outer periphery thereof, and the guide portion 241 is a guide slope piece, and a surface of the guide slope piece facing the fitting portion 224 is a guide slope. When the button 220 is pressed, the rotary guide 240 rotates and the cylinder slides on the guide slope, so that the button 220 moves down. The cylinder and the guide inclined plane are matched stably and move smoothly and freely relatively, the number of the cylinders is two, the number of the guide inclined blocks can be two or more, and the two cylinders are arranged on the opposite sides of the conduction piece 223, so that the motion stability of the conduction piece 223 can be improved.

According to an embodiment of the present invention, as shown in fig. 5 and 6, the rotating guide 240 is provided with a limiting pin 242 at an outer circumference thereof, the pressing body 222 is provided with a first limiting hole 225 and a second limiting hole 226, the first limiting hole 225 is located at a lower side of the second limiting hole 226, a central angle corresponding to the first limiting hole 225 is smaller than a central angle corresponding to the second limiting hole 226, the limiting pin 242 is movable up and down in the first limiting hole 225, and the limiting pin 242 is rotatable and movable in the second limiting hole 226. It is understood that the moving direction of the limiting pin 242 in the first limiting hole 225 is up-down direction, when it is in the first limiting hole 225, the first limiting hole 225 will limit its circumferential rotation, and when it is in the second limiting hole 226, it can rotate and move up and down, i.e. spiral motion, relative to the second limiting hole 226. The first limiting hole 225 is a strip-shaped hole extending vertically.

When the key 220 is not pressed, the stopper pin 242 may be in the first stopper hole 225, or the stopper pin 242 may be at a connection position between the first stopper hole 225 and the second stopper hole 226, at this time, the rotary guide 240 cannot rotate, and after the key 220 is pressed, the key 220 moves down as a whole, which is equivalent to the stopper pin 242 moving up relative to the first stopper hole 225, and the stopper pin 242 may rotate and move after entering the second stopper hole 226, at this time, the rotary guide 240 cooperates with the conductive member 223, and by cooperation of the cooperating portion 224 and the guide portion 241, the rotary guide 240 may rotate relative to the socket 214, and then the conductive member 223 drives the unlocking member 230 to move down, thereby completing the unlocking process, and finally the battery pack 200 is detached from the battery holder 100.

Therefore, through the matching of the limit pin 242, the first limit hole 225 and the second limit hole 226, the circumferential rotation time of the conducting piece 223 can be effectively limited, namely, the limit pin 242 is allowed to rotate only when being in the second limit hole 226, so that the key 220 is safe to use, the unlocking can be realized by being touched under special conditions, and the unlocking smoothness of the battery pack 200 can be improved due to the arrangement.

As shown in fig. 2, two limiting pins 242 are provided, and the two limiting pins 242 are disposed oppositely, the pressing body 222 is provided with a first limiting hole 225 and a second limiting hole 226 on opposite sides, and the bottom side of the second limiting hole 226 on at least one side is configured as a guiding arc 227 or a guiding bevel. As shown in fig. 5 and 6, the first limiting hole 225 on one side of the pressing body 222 is long and the second limiting hole 226 is rectangular, the first limiting hole 225 on the other side of the pressing body 222 is long and the bottom side of the second limiting hole 226 is a guiding arc edge 227, and the arc edge can play a role in guiding the rotation of the limiting pin 242 to at least a certain extent, so that the matching stability between the rotary guide 240 and the key 220 can be improved, the unlocking and locking processes of the locking member 120 can be smooth, and the stability of the overall structure is better.

Alternatively, as shown in fig. 2 and 3, the unlocking member 230 is detachably coupled to the button 220, wherein another portion of the unlocking member 230 is detachably coupled to the bottom of the conductive member 223. Since a part of the unlocking member 230 needs to be disposed in the locking groove 213, the entire structure of the battery pack 200 can be simplified and the assembly and disassembly can be facilitated by disposing the unlocking member 230 and the button 220 in a detachable structure.

Specifically, the unlocking member 230 may be a screw or a bolt, and the unlocking member 230 is threadedly coupled to the button 220. The unlocking member 230 is made of a screw or a threaded rod, so that the unlocking member 230 has a simple structure and is conveniently engaged with the conduction member 223 of the case.

According to an alternative embodiment of the present invention, as shown in fig. 1 to 3, the battery pack 200 further includes: the electrical interface 250, the electrical interface 250 is disposed in the key 220, and the electrical interface 250 can move up and down in the key 220, and the electrical interface 250 is exposed from the pressing surface 221, and the electrical interface 250 is electrically connected with the battery. That is to say, a key 220 is integrated with an electrical interface 250, the electrical interface 250 that sets up need not to occupy the space of shell 210 alone again to can improve the space utilization of battery package 200, this electrical interface 250 can regard as power supply unit to use, for example, when user's electronic equipment electric quantity is lower, user can insert the connecting wire of electronic equipment in electrical interface 250 department, then utilize the battery of battery package 200 to supply power, thereby can promote user's trip convenience, need not to carry alone charging equipment, can promote user's use experience. It should be noted that the surface area of the pressing surface 221 is smaller than the cross-sectional area of the pressing hole 215, in other words, the pressing surface 221 will only occupy a partial area of the top of the pressing hole 215, and still another partial area is left to facilitate the electrical interface 250 to be exposed from the pressing hole 215.

Optionally, the central axis of the electrical interface 250 in the up-down direction coincides with the central axis of the pressing hole 215, that is, the electrical interface 250 is mainly located in the central area of the pressing hole 215, so that the electrical interface 250 can be conveniently charged by a user, and moreover, when the electrical interface is integrated on the key 220, reasonable utilization of each space area can still be ensured. Furthermore, the pressing surface 221 may be only on one side of the electrical interface 250 and disposed in an arc structure with a center away from the pressing hole 215, so that the disposed pressing surface 221 can effectively avoid the electrical interface 250, and can ensure that the user can stably press the key 220.

Wherein the electrical interface 250 is a type-c interface, such as a socket. the type-c interface has good universality and can supply power to various electronic devices.

Further, as shown in fig. 2, the battery pack 200 further includes: the fixing base 260 and the fixing base 260 are movably disposed in the key 220, the relative movement direction is vertical, and the fixing base 260 is located below the pressing surface 221, that is, the fixing base 260 is disposed below the abutting portion, so that the pressing can be facilitated, and the fixing base 260 can move down synchronously along with the pressing surface 221. The top wall of the holder 260 is provided with an interface hole at which an end of the electrical interface 250 is disposed. That is, the fixing base 260 is used for mounting the fixed electrical interface 250, and this structure may be beneficial to ensure the mounting reliability of the electrical interface 250 in the key 220. And because fixing base 260 can remove relative button 220, when button 220 reciprocated, fixing base 260 drives electrical interface 250 can the follow-up, thereby can guarantee button 220's overall stability, and when electrical interface 250 charges, the user presses fixing base 260, fixing base 260 can remove downwards by a small margin, the main part 222 of pressing of button 220 need not synchronous motion this moment, thereby can avoid influencing button 220, can realize the unblock operation in order to avoid battery package 200, like this under the integrated condition of assurance electrical interface 250, still can guarantee button 220's independent maneuverability. In addition, the fixing base 260 thus provided does not affect the pressing surface 221.

As shown in fig. 2 and 3, the electrical interface 250 is connected to a first circuit board 270, the first circuit board 270 is vertically disposed, and the fixing base 260 is provided with a fixing groove 261 for mounting the first circuit board 270. The first circuit board 270 and the electrical interface 250 may be fixedly coupled together, the first circuit board 270 may be effectively coupled to the electrical interface 250 in a vertical arrangement, and the fixing groove 261 may ensure the mounting reliability of the first circuit board 270. Wherein, when being mounted, the electrical interface 250 and the first circuit board 270 may be mounted together on the fixing base 260, which may improve the assembly efficiency of the battery pack 200.

Further, the battery pack 200 further includes: the charging indicator light 280 is arranged on the upper surface of the second circuit board 290, the second circuit board 290 is horizontally arranged in the fixing seat 260, the second circuit board 290 is electrically connected with the electrical interface 250, and the key 220 is a light-transmitting element. It can be understood that the charging indicator light 280 can display the charging condition, and the optical fiber of the charging indicator light 280 can be transmitted to the outside through the key 220 for the user to know the specific condition, so that the use convenience of the battery pack 200 can be improved, and the use experience of the user can be improved. The second circuit board 290 and the charge indicator 280 thus disposed can make reasonable use of the inner space of the fixing base 260, and can improve the space utilization of the fixing base 260.

Specifically, the charging indicator lights 280 are distributed on two opposite sides of the second circuit board 290, and the charging indicator lights 280 are further located between the inner side wall of the key 220 and the outer side wall of the fixing base 260. The charge indicator 280 disposed on both sides can emit uniformly dispersed light, so that the light at the key 220 is clear and easy to observe. In addition, the outer wall of the fixing base 260 can be prevented from interfering with the light of the charge indicator 280. The charging indicator lamp 280 may be a plurality of lamps, and the plurality of charging indicator lamps 280 may have different colors, for example, red, yellow, green, and the like. Moreover, the charging indicator light 280 thus provided may also avoid the first circuit board 270 and the electrical interface 250, so that the spatial arrangement of the fixing base 260 may be reasonable, and light may be prevented from being blocked.

Wherein, the fixing base 260 is disposed in the pressing body 222, and the conduction member 223 is installed below the pressing body 222. That is to say, the pressing body 222 can be sleeved on the fixing base 260, so that the position of the fixing base 260 is reliable, and the overall structure of the key 220 is not affected. The second circuit board 290 may be fixed on the top surface of the conducting member 223 by bonding.

The disassembly process and the charging process of the battery device 1000 according to the embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

When the battery pack 200 is disassembled, the user presses the key 220 with the hand, the key 220 moves downwards, then the limiting pin 242 of the rotary guide piece 240 enters the second limiting hole 226 from the first limiting hole 225, at the moment, the rotary guide piece 240 can rotate relative to the key 220, so that the guiding and buffering effects can be achieved, and the straight-up and straight-down movement is avoided, so that the key 220 drives the unlocking piece 230 to move downwards, the unlocking piece 230 pushes the locking piece 120 out of the locking groove 213, the locking piece 120 compresses the spiral spring until the spiral spring extends into the first mounting wall 110, at the moment, the locking state is released, the battery pack 200 slides relatively on the first mounting wall 110, and finally the battery pack 200 is taken out.

When the battery pack 200 is charged, a user inserts a charging head into the electrical interface 250, the electrical interface 250 is forced to move downwards, the conducting piece 223 also moves downwards, but the position between the limiting pin 242 and the first limiting hole 225 is not changed due to the fact that the main body 222 is not pressed to follow, the battery pack 200 cannot be triggered to be unlocked at the moment, and therefore the battery pack can be guaranteed not to be affected by each other under the condition that the electrical interface 250 is integrated on the key 220, and independence of functions of the battery pack can be guaranteed.

The scooter according to the embodiment of the present invention includes the battery device 1000 of the above embodiment.

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," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the 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 being "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, "above", "over" and "above" a first feature in a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in 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 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 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. A battery pack, comprising:

the top wall of the shell is provided with a pressing hole, the bottom wall of the shell is provided with a locking groove, and the pressing hole and the locking groove are opposite up and down;

the key is provided with a pressing surface, the key is movably arranged in the shell, and the pressing surface is arranged at the pressing hole;

the upper end of the unlocking piece is connected with the lower end of the key, and the lower end of the unlocking piece penetrates through the bottom wall of the shell and is arranged in the locking groove;

a battery disposed within the housing;

an electrical interface disposed within the key and exposed from the pressing surface, the electrical interface being electrically connected to the battery;

the fixing base, the movably setting of fixing base is in the button and be located the below of press surface, the roof of fixing base is provided with the interface hole, the tip setting of electrical interface is in interface hole department, wherein, the button includes: the pressing body is cylindrical, the top part of the pressing body is provided with an abutting part extending inwards, the upper surface of the abutting part is the pressing surface, the fixed seat is arranged in the pressing body and positioned below the abutting part, and the conducting piece is installed below the abutting part; and

the reset piece is arranged in the shell and used for pushing the key to reset.

2. The battery pack according to claim 1, wherein the electrical interface is connected to a first circuit board, the first circuit board is vertically disposed, and the fixing base is provided with a fixing groove for mounting the first circuit board.

3. The battery pack of claim 1, further comprising: the charging indicator lamp is arranged on the upper surface of the second circuit board, the second circuit board is horizontally arranged in the fixing seat, the second circuit board is electrically connected with the electrical interface, and the key is a light-transmitting piece.

4. The battery pack of claim 3, wherein the charge indicator lights are distributed on opposite sides of the second circuit board and are positioned between an inner sidewall of the key and an outer sidewall of the holder.

5. The battery pack of claim 1, further comprising: the rotary guide piece, the diapire of shell is provided with the cover seat, rotary guide piece movably sets up in the cover seat, the button with rotary guide piece cooperatees, the button forces when being pressed rotary guide piece is rotatory, in order to allow it to relatively rotary guide piece moves down, the piece that resets sets up rotary guide piece with between the button.

6. The battery pack according to claim 5, wherein a stopper pin is provided on an outer periphery of the rotation guide, the pressing body is provided with a first stopper hole and a second stopper hole, the first stopper hole is located on a lower side of the second stopper hole, a central angle corresponding to the first stopper hole is smaller than a central angle corresponding to the second stopper hole, the stopper pin is movable in the first stopper hole, and the stopper pin is rotatable and movable in the second stopper hole.

7. The battery pack of claim 6, wherein the limiting pin is located in the first limiting hole or at the connection between the first limiting hole and the second limiting hole when the key is not pressed.

8. The battery pack of claim 1, wherein the electrical interface is a type-c interface.

9. A battery device for a scooter, comprising:

a battery holder, the battery holder comprising: the locking piece elastically extends into and out of the first mounting wall;

the battery pack of any one of claims 1-8, the bottom wall of the housing being a second mounting wall;

when the key is not pressed, the locking piece is positioned in the locking groove and is abutted against the unlocking piece so as to prevent the second mounting wall from sliding relative to the first mounting wall; after the key is pressed, the key drives the unlocking piece to move and ejects the locking piece out of the locking groove, so that the second mounting wall is allowed to slide relative to the first mounting wall.