CN217539208U

CN217539208U - Unlocking assembly

Info

Publication number: CN217539208U
Application number: CN202220874111.5U
Authority: CN
Inventors: ***; 王凯枫; 凌春雷; 祝明
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2022-04-02
Filing date: 2022-04-02
Publication date: 2022-10-04
Anticipated expiration: 2032-04-02

Abstract

The utility model discloses an unblock subassembly for battery package to electric automobile is last to be equipped with locking mechanism, and the battery package is connected on electric automobile through the locking mechanism locking, and the unblock subassembly includes: the first unlocking part is arranged in the battery pack and used for driving the locking mechanism to move to the unlocking position so as to unlock the battery pack; the second unlocking part is arranged on the battery replacing equipment and used for enabling the first unlocking part located at the initial position in the battery pack to move to the extending position along the vertical direction so as to unlock the battery pack. The first unlocking part in the battery pack can be used as the extension of the second unlocking part in the height direction, so that the second unlocking part with lower height can be used for unlocking the locking mechanism, the overall height of the battery replacing equipment is reduced, the battery replacing equipment can adapt to the height of a vehicle chassis better, and the battery replacing equipment can shuttle in and out from the lower part of the vehicle chassis conveniently.

Description

Unlocking assembly

Technical Field

The utility model relates to a trade the electric field, especially relate to an unblock subassembly.

Background

In recent years, new energy automobiles develop rapidly, electric vehicles which rely on storage batteries as driving energy have the advantages of zero emission and low noise, and with the market share and the use frequency of the electric vehicles becoming higher and higher, electric commercial vehicles in the existing electric vehicles, such as electric heavy trucks and electric light trucks, also begin to appear gradually in respective application scenes, and meanwhile, a battery replacement station for replacing battery packs of the electric trucks is also constructed in a matching manner.

Be provided with the battery changing equipment who is used for changing the battery package in trading the power station, when moving, trade the battery equipment and remove to vehicle chassis below, trade the locking structure that the locking part on the battery equipment acted on vehicle chassis and make locking mechanism remove the locking to the battery package, trade the whole vehicle bottom of following of battery package removal that carries of battery equipment afterwards, trade among the prior art the battery equipment if "application number is CN201711244221.3, utility model name shuttle battery package change equipment and contain its trade the power station" in the scheme disclosed.

However, this solution still has the following problems: electric vehicle's chassis below space is limited, especially to motorcycle types such as heavy truck, electronic light truck, chassis below space is less, and the battery package size that needs is great, after the battery package is installed to electric vehicle chassis, it is littleer to reserve the space of trading battery equipment business turn over vehicle bottom, and current unblock portion only locates trades battery equipment, the very long locking mechanism that can touch on the vehicle chassis that unblock portion need establish, it is very big to cause the whole height of trading battery equipment, be difficult to business turn over the space of vehicle chassis below.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an unblock subassembly for overcoming the problem that trades electrical equipment among the prior art leads to being difficult to business turn over vehicle chassis because of high too big.

The utility model discloses a solve above-mentioned technical problem through following technical scheme:

the utility model provides an unblock subassembly for unblock to the battery package on the electric automobile, be equipped with locking mechanism on the electric automobile, the battery package passes through locking mechanism lock connection on electric automobile, and the unblock subassembly includes:

the first unlocking part is arranged in the battery pack and used for driving the locking mechanism to move to the unlocking position so as to unlock the battery pack;

the second unlocking part is arranged on the battery replacing equipment and used for enabling the first unlocking part located at the initial position in the battery pack to move to the extending position along the vertical direction so as to unlock the battery pack.

When the battery pack unlocking mechanism runs, the second unlocking part on the battery replacing equipment pushes the first unlocking part in the battery pack to move upwards so as to enable the locking mechanism to be abutted to the unlocking position. The first unlocking part in the battery pack can be used as the extension of the second unlocking part in the height direction, so that the second unlocking part with lower height can be used for unlocking the locking mechanism, the overall height of the battery replacing equipment is reduced, the battery replacing equipment can adapt to the height of a vehicle chassis better, and the battery replacing equipment can conveniently shuttle in and out from the lower part of the vehicle chassis.

Preferably, be equipped with in the battery package and follow the chamber that holds that vertical direction link up, first unblock portion includes ejector pin mechanism, ejector pin mechanism movable mounting holds the intracavity.

When the battery pack unlocking device operates, the second unlocking part on the battery replacing device extends into the accommodating cavity and drives the ejector rod mechanism to extend to the battery pack to abut against the locking mechanism, so that the battery pack is unlocked.

Preferably, the second unblock portion is used for promoting the input of ejector pin mechanism bottom and makes ejector pin mechanism move to the extended position, and when ejector pin mechanism was in the extended position, the output at ejector pin mechanism top stretched out and held the opening of chamber and be higher than the surface of battery package.

The output at this ejector pin mechanism top can act on the locking structure and then realize the unblock when being in the extended position, directly promotes the input of ejector pin mechanism through second unblock portion, has reduced the degree of difficulty that second unblock portion and locking mechanism aimed at, when the unblock, only needs to make second unblock portion and ejector pin mechanism aim at and can realize the top and push away, has avoided unblock in-process locking mechanism and battery package surface to interfere simultaneously.

Preferably, the locking mechanism comprises a lock tongue and a lock base, the lock base is provided with a locking groove for the lock shaft of the battery pack to enter and lock, the lock tongue moves relative to the lock base to open or close the locking groove, and the output end of the ejector rod mechanism drives the lock tongue to move to an unlocking position to open the locking groove. Therefore, the locking mechanism can be driven to unlock through the ejector rod mechanism.

The input end of the ejector rod mechanism drives the lock tongue to move, vertical movement of the ejector rod mechanism is directly converted into movement of the lock tongue, unlocking operation is convenient to open a single locking groove, and unlocking efficiency and success rate are improved.

Preferably, the locking mechanism comprises a lock connecting rod and an unlocking block, the lock connecting rod is connected with the lock tongue, and the output end of the unlocking block acts on the lock connecting rod to drive the lock tongue to open the locking groove. When the lock is operated, the output end applies force to the unlocking block on the lock connecting rod to enable the lock connecting rod to move upwards, and then the lock tongue is driven to move to the unlocking position in a linkage mode.

Act on the lock connecting rod through ejector pin mechanism, can drive a plurality of spring bolts motions in order to open a plurality of locking grooves simultaneously, realized the synchronous unblock of a plurality of lock bases, improve unblock efficiency.

Preferably, the first unlocking part includes a reset member for resetting the jack mechanism to the initial position after the urging force of the second unlocking part is cancelled.

The reset piece is arranged, so that the second unlocking part is reset into the battery pack after unlocking is completed, next unlocking operation is facilitated, and an operation closed loop is formed to repeatedly unlock the battery pack for multiple times.

Preferably, trade battery equipment and include the dismouting platform, the second unblock portion is located on the dismouting platform, and when the dismouting platform was located the dismouting battery position of electric automobile below, the second unblock portion was at least partially inserted in the battery package, acted on first unblock portion, made first unblock portion stretch out in order to unblock battery package.

Through setting up the dismouting platform, be convenient for drive second unblock portion and remove along vertical or horizontal direction, simultaneously, when tearing open the battery, make second unblock portion insert in the battery package to the butt promotes first unblock portion and stretches out and carry out the unblock operation, makes the battery package and trades the dismouting platform location of electrical equipment effect of being connected simultaneously, and the follow-up battery package that drives of being convenient for removes along the horizontal direction.

Preferably, when the dismounting platform only bears the weight of the battery pack, the second unlocking part is at least partially inserted into the battery pack.

In inserting the battery package through second unblock portion, realized dismouting platform and battery package's location, realized battery package, second unblock portion, tray three along the relatively fixed of horizontal direction position, the dismouting platform of being convenient for drives battery package synchronous motion.

Preferably, the disassembling and assembling platform comprises a first moving platform, the second unlocking part comprises a second unlocking rod, the second unlocking rod is arranged on the first moving platform, a battery supporting part is arranged on the first moving platform and used for elastically supporting the battery pack, and when the disassembling and assembling platform is located at a battery disassembling position below the electric automobile, at least part of the second unlocking rod extends out of the surface of the battery supporting part to be inserted into the battery pack.

The battery supporting part is arranged to elastically support the battery pack, so that the battery pack on the disassembling and assembling platform is in a flexible bearing state, the battery pack is prevented from being placed on the disassembling and assembling platform to play a role in buffering and avoiding rigid collision, meanwhile, in the process of disassembling or assembling the battery pack, the battery pack is aligned with an electric automobile while battery replacing equipment, the battery pack and the electric automobile are aligned, the battery pack is disassembled in a floating mode and is installed in a floating mode, the angle of the battery pack can be adapted to the installation of the bottom of the electric automobile or the angle of the battery pack can be adjusted in an adaptive mode to be aligned with the battery pack, and the problems that the disassembling and the assembling are difficult and the battery replacing fails due to over-positioning are avoided; meanwhile, the second unlocking rod is inserted into the battery pack, so that the unlocking operation can be conveniently performed on the first unlocking part in the battery pack, the positioning of the dismounting platform and the battery pack is realized, the relative fixation among the battery pack, the dismounting platform and the second unlocking rod is realized, and the dismounting platform is convenient to drive the battery pack to synchronously move.

Preferably, the battery supporting part comprises a tray and an elastic mechanism, the tray is connected with the first moving platform through the elastic mechanism, and a through hole for the second unlocking rod to extend out is formed in the tray.

Adopt the impact force of elastic mechanism when can cushioning the battery and drop on the tray, the impact force when reducing the battery whereabouts is to the damage of trading electrical equipment, improve the life who trades electrical equipment, can realize the unsteady dismantlement and the installation of floating of battery package simultaneously, can adapt to the installation of electric automobile bottom or the angle of dismantling the battery package, carry out the adaptability adjustment in order to aim at, set up the through-hole, be convenient for guide tray is at the motion of dismouting battery package in-process, avoid the relative second unlocking lever of tray to take place horizontal position's skew, lead to the unable alignment of first unblock portion in second unlocking lever and the battery package.

Preferably, the battery replacement equipment further comprises a lifting mechanism for lifting the dismounting platform to the battery dismounting position so that the second unlocking part is ejected out of the first unlocking part.

The second unlocking portion is convenient to move to the position abutted to the first unlocking portion along the vertical direction, and unlocking operation is carried out.

Preferably, when the first unlocking portion drives the locking mechanism to move to the unlocking position, the first moving platform bears the battery pack and is used for driving the battery pack to horizontally move along the first direction so as to disassemble the battery pack.

Through the motion of first moving platform, make the locking shaft that drives the battery package move to the opening part from the locking point in the locking groove to remove locking mechanism through the opening.

Preferably, the first moving platform is further configured to drive the battery pack to horizontally move to the unlocking pre-tightening position along a direction opposite to the first direction, so as to release the limitation on the locking mechanism, and the locking mechanism is pushed by the first unlocking portion to move to the unlocking position.

The locking mechanism can move to the unlocking position smoothly under the pushing of the first unlocking part. The reliability and the service life of the locking mechanism are improved.

The utility model discloses an actively advance the effect and lie in:

the first unlocking part in the battery pack can be used as the extension of the second unlocking part in the height direction, so that the second unlocking part with lower height can be used for unlocking the locking mechanism, the overall height of the battery replacing equipment is reduced, the battery replacing equipment can adapt to the height of a vehicle chassis better, and the battery replacing equipment can conveniently shuttle in and out from the lower part of the vehicle chassis.

Drawings

Fig. 1 is a schematic perspective view of a battery replacement device according to an embodiment of the present invention;

fig. 2 is a schematic perspective view of a mounting/dismounting platform according to an embodiment of the present invention;

fig. 3 is a schematic perspective view of a first mobile platform and a second mobile platform driving device according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a dismounting platform lifting device according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a battery pack according to an embodiment of the present invention;

fig. 6 is a schematic perspective view of a first unlocking portion of a battery pack according to an embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a first unlocking portion according to an embodiment of the present invention;

FIG. 8 is a cross-sectional view of the locking mechanism in a locked state, according to one embodiment of the present invention;

FIG. 9 is a cross-sectional structural view of the locking mechanism in an unlocked state in accordance with one embodiment of the present invention;

description of reference numerals:

battery replacement device 10

First unlocking part 100

The first unlocking lever 110

Input 111

Output terminal 112

Reset piece 120

Accommodating chamber 130

Locking mechanism 200

Lock base 210

Locking groove 211

Bolt 220

Lock link 230

Unlocking block 231

Second unlocking part 300

Second unlocking lever 310

Battery pack 400

Lock shaft 410

Disassembly and assembly platform 500

First mobile platform 510

First slide rail 511

First horizontal moving device 512

Positioning rod 513

Tray 514

Elastic mechanism 515

Second moving platform 520

Limiting rod 521

Second slide rail 522

Second horizontal moving device 523

Lifting mechanism 530

Cam 531

Detailed Description

The present invention is further illustrated by way of the following examples, which are not intended to limit the scope of the invention.

With reference to fig. 1, fig. 5, and fig. 6, the present embodiment provides an unlocking assembly, which is used for unlocking a battery pack 400 on an electric vehicle, where a chassis of the electric vehicle is provided with a locking mechanism 200, and the battery pack 400 is locked and connected to the electric vehicle through the locking mechanism 200.

The unlocking assembly comprises a first unlocking part 100 arranged in the battery pack 400, wherein the first unlocking part 100 is used for driving the locking mechanism 200 to move to an unlocking position so as to unlock the battery pack 400; the battery replacing device further comprises a second unlocking part 300 arranged on the battery replacing device 10, wherein the second unlocking part 300 is used for enabling the first unlocking part 100 located at the initial position in the battery pack 400 to move to the extending position in the vertical direction so as to unlock the battery pack 400.

Specifically, the first unlocking part 100, the second unlocking part 300 and the locking mechanism 200 are arranged in the same vertical direction, and when the battery replacement device 10 is operated, the second unlocking part 300 on the battery replacement device pushes the first unlocking part 100 in the battery pack 400 to move upwards and push the locking mechanism 200 against the unlocking position.

With such a structure, the second unlocking unit 300 of the battery replacement device 10 can be unlocked by indirectly applying a force to the locking mechanism 200 through the first unlocking unit 100 in the battery pack 400. This first unlocking portion 100 can regard as the ascending extension of second unlocking portion 300 direction of height to can adopt the second unlocking portion 300 of lower height to realize the unblock to locking mechanism 200, reduced the whole height of trading electric equipment 10, make the height that trades the adaptation vehicle chassis that electric equipment 10 can be better, conveniently shuttle business turn over from vehicle chassis below. In addition, the second unlocking part 300 is arranged in the battery pack 400, so that the battery pack does not occupy extra space on the height, can make the whole structure shorter and more compact, and is convenient to penetrate into and penetrate out of the vehicle chassis.

With reference to fig. 7, a containing cavity 130 penetrating in the vertical direction is provided in the battery pack 400, an outlet above the containing cavity 130 is disposed corresponding to the locking mechanism 200, and an inlet below the containing cavity 130 can be disposed corresponding to the second unlocking portion 300 on the battery replacing device 10. This first unlocking part 100 includes ejector pin mechanism, and this ejector pin mechanism movable mounting should hold the chamber 130 in, the utility model discloses well institute indicates that this ejector pin mechanism can should hold chamber 130 relatively and carry out the lift removal.

Specifically, the ejector mechanism includes a first unlocking lever 110 and a mounting member disposed in the accommodating chamber 130, and the first unlocking lever 110 is mounted to the battery pack 400 through the mounting member and elastically connected to the mounting member. The first unlocking lever 110 elastically connected can reduce impact, avoid great impact on the locking mechanism 200 during unlocking, and improve service life. The elastic connection can be realized by a known structural member with elasticity or various known structures such as a cylinder which contracts and enlarges by a medium such as liquid or gas. The resilient connection may reduce shock, but in other embodiments, it may also allow for a non-resilient connection, such as a rigid connection, between the first release lever 110 and the mounting member.

The second unlocking part 300 is used to push the input end 111 at the bottom of the ram mechanism to move the ram mechanism to the extended position, and when the ram mechanism is in the extended position, the output end 112 at the top of the ram mechanism extends out of the opening of the receiving cavity 130 and is higher than the surface of the battery pack 400. The input end 111 of the ejector rod mechanism is directly pushed through the second unlocking part 300, the alignment difficulty of the second unlocking part 300 and the locking mechanism 200 is reduced, when unlocking is performed, the pushing can be realized only by aligning the second unlocking part 300 and the ejector rod mechanism, and meanwhile, the surface interference of the locking mechanism 200 and the battery pack 400 in the unlocking process is avoided.

Specifically, the input end 111 is the bottom of the first unlocking bar 110, and the output end 112 is the top of the first unlocking bar 110, when unlocking, the second unlocking portion 300 penetrates into the accommodating cavity 130 and pushes against the input end 111 to lift the first unlocking bar 110 relative to the accommodating cavity 130, so that the output end 112 extends out of the accommodating cavity 130 and is higher than the surface of the battery pack 400. Enabling the output 112 to act on the locking mechanism 200 unlocks the locking mechanism 200.

The first unlocking part 100 includes a reset member 120 for resetting the jack mechanism to the initial position after the force of the second unlocking part 300 is released.

Specifically, the reset element 120 is an elastic element sleeved on the first unlocking lever 110, and the elastic element is used for applying a downward force to the first unlocking lever 110 so that the first unlocking lever 110 can return to its initial position in the battery pack 400. In addition, the elastic piece can absorb impact, so that large impact on the locking mechanism 200 during unlocking is avoided, and the service life is prolonged. Meanwhile, the elastic part arranged in a sleeved mode can reduce the utilization of space, so that the structure is more compact, the first unlocking rod 110 can guide and limit the elastic part, and the elastic part is prevented from being separated. The elastic member is preferably a spring in the present embodiment, and may be various other known elastic members such as a torsion spring, a coil spring, and the like.

In the initial state, i.e., without being abutted by the second unlocking portion 300, the bottom end of the first unlocking lever 110 abuts against the limit plate in the accommodating chamber 130. The limiting plate limits the first unlocking rod 110, and the first unlocking rod 110 is prevented from falling.

In the unlocking state, the second unlocking part 300 penetrates into the accommodating cavity 130, and the first unlocking bar 110 is driven to extend upwards to be higher than the battery pack 400 by overcoming the elastic force of the resetting member 120.

In the reset state, the second unlocking part 300 leaves the accommodating cavity 130, and the elastic potential energy of the reset member 120 is released and drives the first unlocking bar 110 to move downward to abut against the limiting plate, so as to return to the initial position.

The reset piece 120 is arranged, so that the second unlocking part 300 can be reset into the battery pack after unlocking is completed, the next unlocking operation is facilitated, an operation closed loop is formed, and the second unlocking part 300 can repeatedly perform unlocking actions for multiple times.

Referring to fig. 8 and 9, in this embodiment, the locking mechanism 200 includes a locking tongue 220 and a lock base 210, the lock base 210 has a locking groove 211 for allowing a lock shaft 410 of the battery pack 400 to enter and lock, the locking tongue 220 moves relative to the lock base 210 to open or close the locking groove 211, an output end 112 of the ram mechanism drives the locking tongue 220 to move to an unlocking position to open the locking groove 211, and the output end 112 of the ram mechanism can directly act on one end of the locking tongue 220 to drive the locking tongue 220 to move to the unlocking position, thereby unlocking the battery pack. The input end 112 of the mandril mechanism drives the lock tongue 220 to move, the vertical movement of the mandril mechanism is directly converted into the movement of the lock tongue 220, the unlocking operation of a single locking groove 211 is convenient to open, and the unlocking efficiency and the success rate are improved.

The locking mechanism 200 further includes a locking link 230 and an unlocking block 231, the locking link 230 is connected to the locking tongue 220, and the output end 112 can act on the locking link 230 to drive the locking tongue 220 to open the locking slot 211.

Specifically, the lock link 230 is movably connected to the lock bases 210 through the locking tongues 220, the bottom of the lock link 230 has an unlocking surface extending along the length direction of the lock link 230, the first unlocking part 100 can abut against the unlocking surface and jack up the lock link 230 under the action of external force, so as to drive the locking tongues 220 to open the locking grooves 211, specifically, two ends of the locking tongues 220 are hinged to the lock bases 210 and the lock link 230, in the process of lifting the lock link 230, the locking tongues 220 rotate to open the spaces of the locking grooves 211, so that the lock shaft 410 on the battery pack 400 can be horizontally moved out to the right. Meanwhile, the lock base 210 is kept fixed, so that the movement track of the lock link 230 is not linearly translated, but moves horizontally to the right while moving upwards, and thus the lock tongue 220 is driven by linkage to rotate to the right to open the space of the locking groove 211 for the lock shaft 410 to move out.

Act on the lock connecting rod 230 through the ejector pin mechanism, can drive a plurality of bolts 220 motion in order to open a plurality of locking grooves 211 simultaneously, realized the synchronous unblock of a plurality of lock base 210, improve the unblock efficiency.

When the lock shaft 410 moves horizontally in the locking groove 211 to the right, the first unlocking lever 110 always abuts against the unlocking surface, so that the locking bolt 220 is kept in an open state, the locking piece can be smoothly moved out of the locking groove 211, and the unlocking reliability is improved.

The lock link 230 includes an unlocking piece 231, the unlocking piece 231 extends toward the lock base 210, the bottom of the unlocking piece 231 has an unlocking surface extending horizontally, and the first unlocking lever 110 acts on the unlocking surface of the unlocking piece 231. The horizontally extending unlocking surface can enable the first unlocking part 100 to abut against the unlocking block 231 during the movement process relative to the lock connecting rod 230, and can not be clamped at a certain position, thereby improving the unlocking stability. The unlocking surface is a horizontal surface, so that the fault tolerance is higher, and the first unlocking rod 110 can be always kept in the unlocking surface under the condition of alignment deviation or torsion angle.

In other embodiments, the unlocking surface may be further provided in a shape of a concave-upward square, a concave-upward arc, a concave-upward triangle, or a concave-upward prism, and extends along the length of the lock link 230. The unlocking surface is a concave square shape, which can limit the first unlocking lever 110, so that the first unlocking lever 110 cannot be separated from the unlocking surface in the unlocking process. The unlocking surface is a concave arc shape, a concave triangle shape, or a concave prism shape, which can form an optimal unlocking line with the first unlocking lever 110 and is suitably tolerant to a fault, so that the first unlocking lever 110 moves in the unlocking surface along the length direction of the lock link 230, and the stay of the unlocking means is facilitated.

With reference to fig. 1, fig. 2 and fig. 3, in the present embodiment, the battery replacing apparatus 10 includes a disassembling platform 500, the second unlocking portion 300 is disposed on the disassembling platform 500, and when the disassembling platform 500 is located at a battery disassembling position below the electric vehicle, the second unlocking portion 300 is at least partially inserted into the battery pack 400 and acts on the first unlocking portion 100, so that the first unlocking portion 100 extends to unlock the battery pack 400.

Through setting up dismouting platform 500, be convenient for drive second unlocking part 300 and remove along vertical or horizontal direction, simultaneously, during the dismouting battery, make second unlocking part 300 insert in battery package 400 to the butt promotes first unlocking part 100 and stretches out and carry out the unblock operation, makes battery package 400 and the effect of trading battery equipment 10's dismouting platform 500 location connection simultaneously, and the follow-up battery package 400 of driving of being convenient for removes along the horizontal direction.

Preferably, the knock-out platform 500 includes a first mobile platform 510. The first mobile platform 510 is used for carrying the battery pack 400. The second unlocking part 300 comprises a second unlocking rod 310, the second unlocking rod 310 is arranged on the first moving platform 510, a battery supporting part is further arranged on the first moving platform 510 and used for elastically supporting the battery pack 400, and when the dismounting platform 500 is located at a battery dismounting position below the electric automobile, at least part of the second unlocking rod 310 extends out of the surface of the battery supporting part to be inserted into the battery pack 400.

The battery pack 400 is elastically supported by the battery supporting part, so that the battery pack 400 on the disassembling and assembling platform 500 is in a flexible bearing state, the effect of buffering and avoiding rigid collision is achieved in the process of placing the battery pack 400 on the disassembling and assembling platform 500, meanwhile, in the process of disassembling or assembling the battery pack 400, the battery pack 400 is aligned while the battery replacing equipment 10, the battery pack 400 and the electric automobile are aligned, the battery pack 400 is disassembled and assembled in a floating mode, the angle of assembling or disassembling the battery pack at the bottom of the electric automobile can be adapted, the battery pack is adjusted adaptively to be aligned, and the problems that disassembling and assembling are difficult and battery replacing failure are caused by over-positioning are avoided; meanwhile, the second unlocking rod 310 is inserted into the battery pack 400, so that the first unlocking part 100 acting in the battery pack 400 is convenient to unlock, the disassembly and assembly platform 500 and the battery pack 400 are positioned, the battery pack 400, the disassembly and assembly platform 500 and the second unlocking rod 310 are fixed relatively along the horizontal direction, and the disassembly and assembly platform drives the battery pack to move synchronously.

In this embodiment, the battery support portion includes a tray 514 and an elastic mechanism 515, and the tray 514 is connected to the first moving platform 510 through the elastic mechanism 515. The two trays 514 are disposed on two sides above the first movable platform 510, and the elastic mechanism 515 may be a spring or other mechanism that provides elastic restoring force when compressed.

The tray 514 is further provided with a through hole for the second lock release lever 310 to extend through. When unlocked, the second unlocking rod 310 may protrude from the through hole and be inserted into the battery pack 400, and act on the first unlocking part 100 in the battery pack 400 to unlock the battery pack 400.

Specifically, when the tray 514 is located at the battery detaching position, the tray 514 abuts against the battery pack 400 on the chassis of the vehicle, the reaction force applied by the battery pack 400 to the tray 514 compresses the elastic mechanism 515 between the tray 514 and the first movable platform 510, so that the tray 514 descends relative to the first movable platform 510, and the second unlocking rod 310 on the first movable platform 510 extends out of the tray 514 and acts on the battery pack 400 to eject the first unlocking part 100 on the battery pack 400, thereby realizing the unlocking operation.

Adopt elastic mechanism 515 can cushion the impact force when battery package 400 falls on tray 514, reduce the impact force when battery package 400 falls to the damage of power change equipment, improve the life of power change equipment 10, can realize the unsteady dismantlement of battery package 400 and the installation of floating simultaneously, can adapt to the installation of electric automobile bottom or the angle of dismantling battery package 400, carry out adaptability adjustment in order to aim at, set up the through-hole on the tray 514, be convenient for guide tray 514 in the motion of dismouting battery package 400 in-process, avoid the relative second unlocking lever 310 of tray 514 to take place the skew of horizontal position, lead to the unable alignment of first unlocking part 100 in second unlocking lever 310 and the battery package 400.

In this embodiment, when the mounting/dismounting platform 500 only bears the weight of the battery pack 400, the second unlocking part 300 is at least partially inserted into the battery pack 400. The tray 514 only bears the battery pack 400, namely no other external force acts on the tray 514 at this time, the tray 514 only moves under the action of the gravity of the battery pack 400, the elastic mechanism 515 below the tray 514 is compressed, the second unlocking rod 310 extends out of the tray 514 to be inserted into the battery pack 400, the positioning of the tray 514 and the battery pack 400 is realized, the relative fixing of the battery pack 400, the tray 514 and the second unlocking rod 310 along the horizontal direction is realized, and the tray 514 drives the battery pack 400 to synchronously move conveniently.

In this embodiment, when the first unlocking portion 100 drives the locking mechanism 200 to move to the unlocking position, the first moving platform 510 carries the battery pack 400, and is used for driving the battery pack 400 to horizontally move along the first direction to disassemble the battery pack 400.

The battery pack 400 and the locking mechanism 200 on the electric vehicle are unlocked through the first unlocking part 100, after the locking mechanism 200 moves to the unlocking state, the locking shaft 410 of the battery pack 400 is still in the locking groove 211, the first moving platform 510 horizontally moves along the first direction to move the battery pack 400 to the opening of the locking groove 211, the locking shaft 410 is separated from the unlocking base 210 from the opening and gradually separated from the locking mechanism 200 of the electric vehicle, the battery pack 400 is detached and moved, the operation is simple and convenient, and the detachment efficiency of the battery pack 400 is improved.

When the first unlocking portion 100 drives the locking mechanism 200 to move to the unlocking position, the first moving platform 510 carries the battery pack 400, and is used for driving the battery pack 400 to horizontally move along the first direction to disassemble the battery pack 400. Specifically, the first direction is a direction in which the first moving platform 510 drives the lock shaft 410 of the battery pack 400 to move toward the opening of the lock slot 211, so that the lock shaft 410 moves out from the opening of the lock slot 211 to the first moving platform 510.

The first moving platform 510 is further configured to drive the battery pack 400 to horizontally move to an unlocking pretension position in a direction opposite to the first direction, so as to release the limitation on the locking mechanism 200, and enable the locking mechanism 200 to move to the unlocking position under the pushing of the first unlocking portion 100.

In the locked state, the lock shaft 410 of the battery pack 400 abuts against the latch bolt 220 of the locking mechanism 200 to ensure that the battery pack 400 is locked firmly. At this time, the first unlocking lever 110 needs to apply a large jacking force to the locking mechanism 200, so that the locking bolt 220 overcomes the abutting force of the locking shaft 410 to rotate to open the opening, the position where the locking shaft 410 of the battery pack 400 contacts with the locking bolt 220 is worn, the first unlocking lever 110, the locking shaft 410 or the locking mechanism 200 is easily damaged, and meanwhile, the unlocking failure is easily caused, so that the first moving platform 510 drives the battery pack 400 to horizontally move in the direction opposite to the first direction for a preset distance, so that a certain distance is formed between the locking shaft 410 of the battery pack 400 and the locking bolt 220 in the horizontal direction, the first unlocking lever 110 is convenient to jack up the locking link, and meanwhile, the abrasion of the locking mechanism 200 and the locking shaft 410 is avoided.

In this embodiment, the first moving platform 510 can slide along a first slide rail 511 provided on the detachable platform 500, and an extending direction of the first slide rail 511 is perpendicular to a moving direction of the battery replacing apparatus 10.

The first moving platform 510 is connected to the first horizontal moving device 512, the first horizontal moving device 512 includes a rotating motor and a screw rod connected to the rotating motor, the screw rod is inserted into a protrusion at the bottom of the first moving platform 510 or the second moving platform 520 and is engaged with the protrusion through a thread, so as to drive the first moving platform 510 to move along the first guide rail, or drive the second moving platform 520 to move along the second guide rail.

A positioning rod 513 is further disposed in the middle of the first moving platform 510, and the positioning rod 513 can align with a positioning hole on the battery pack 400 to position the battery pack 400 when the battery replacing device 10 moves to the battery removing position.

In other embodiments, the battery swapping apparatus 10 further includes a lifting mechanism 530 for lifting the disassembling and assembling platform 500 to the battery disassembling position, so that the second unlocking portion 300 abuts against and pushes out the first unlocking portion 100 to the extended position.

With reference to fig. 3 and 4, in particular, the lifting mechanism 530 includes a cam 531 disposed below the detaching platform 500 and a slider disposed on the vertical rail and connected to the detaching platform 500, a distal end of the cam 531 can lift the detaching platform 500 to control the lifting thereof when the cam ascends along the moving track, so as to drive the second unlocking portion 300 to ascend and eject the first unlocking portion 100, and the detaching platform 500 in contact therewith can descend when the cam descends along the moving track, so as to drive the first unlocking portion 100 to descend. Of course, in other embodiments, the lifting device may also be a slider moving along the lifting track, and the dismounting platform 500 is connected to the slider, or a vertically disposed screw rod penetrating through the dismounting platform 500 to drive the dismounting platform to lift.

In other embodiments, the mounting platform further comprises a second movable platform 520, wherein the second movable platform 520 can slide along a second slide rail 522 disposed on the mounting platform 500. The first slide rail 511 and the second slide rail 522 are parallel to each other, and the extending direction of the first slide rail 511 and the second slide rail 522 is perpendicular to the moving direction of the battery replacing device 10. The second moving platform 520 is connected to a second horizontal moving device 523. The second horizontal moving device 523 is identical in structure to the first horizontal moving device 512.

Two limiting rods 521 are arranged at one end of the second moving platform 520 far away from the first moving platform 510, and the two limiting rods 521 can align with limiting holes on a chassis of a vehicle when the battery replacement device 10 is in a battery removal position, so that the battery replacement device 10 and the vehicle are kept relatively fixed.

When the battery is dismounted, the first moving platform 510 translates to the positioning rod 513 to correspond to the positioning hole on the battery pack 400, the second unlocking rod 310 corresponds to the accommodating cavity 130 on the battery pack 400, and the second moving platform 520 translates to the limiting rod 521 to correspond to the limiting hole on the vehicle chassis. Then the disassembly and assembly platform 500 is lifted, and the positioning rod 513 extends into the positioning hole of the battery pack 400 to position the battery pack 400. The second unlocking rod 310 is inserted into the accommodating cavity 130 in the battery pack 400, the first unlocking part 100 is pushed to move the locking mechanism 200 to the locking position, the locking groove 211 is opened, the battery pack 400 is unlocked, and the limiting rod is inserted into a limiting hole in the chassis of the vehicle to position the battery replacement device and the vehicle.

Although specific embodiments of the present invention have been described above, it will be understood by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and the principles of the present invention, and these changes and modifications are within the scope of the present invention.

Claims

1. The utility model provides an unblock subassembly for unblock to the battery package on the electric automobile, the last locking mechanism that is equipped with of electric automobile, battery package pass through the locking mechanism locking connection on electric automobile, its characterized in that, the unblock subassembly includes:

the first unlocking part is arranged in the battery pack and used for driving the locking mechanism to move to an unlocking position so as to unlock the battery pack;

2. The unlocking assembly of claim 1, wherein: the battery pack is internally provided with a containing cavity which is communicated along the vertical direction, the first unlocking part comprises an ejector rod mechanism, and the ejector rod mechanism is movably arranged in the containing cavity.

3. The unlocking assembly of claim 2, wherein: the second unlocking part is used for pushing the input end at the bottom of the ejector rod mechanism and enabling the ejector rod mechanism to move to the extending position, and when the ejector rod mechanism is located at the extending position, the output end at the top of the ejector rod mechanism extends out of the opening of the containing cavity and is higher than the surface of the battery pack.

4. The unlocking assembly of claim 3, wherein: the locking mechanism comprises a lock tongue and a lock base, the lock base is provided with a locking groove for the lock shaft of the battery pack to enter and lock, the lock tongue moves relative to the lock base to open or close the locking groove, and the output end of the ejector rod mechanism drives the lock tongue to move to an unlocking position to open the locking groove.

5. The unlocking assembly of claim 4, wherein: the locking mechanism comprises a lock connecting rod and an unlocking block, the lock connecting rod is connected with the lock tongue, and the output end of the lock connecting rod acts on the unlocking block on the lock connecting rod to drive the lock tongue to open the locking groove.

6. The unlocking assembly of claim 2, wherein: the first unlocking part comprises a resetting piece, and the resetting piece is used for resetting the ejector rod mechanism to the initial position after the acting force of the second unlocking part is cancelled.

7. The unlocking assembly of claim 1, wherein: trade electric equipment and include the dismouting platform, second unblock portion locates on the dismouting platform, and when the dismouting platform was located the battery removal position of electric automobile below, second unblock portion at least part was inserted in the battery package, was used in first unblock portion makes first unblock portion stretches out in order to unblock the battery package.

8. The unlocking assembly of claim 7, wherein: when the dismounting platform only bears the weight of the battery pack, the second unlocking part is at least partially inserted into the battery pack.

9. The unlocking assembly of claim 7, wherein: the disassembly and assembly platform comprises a first moving platform, the second unlocking part comprises a second unlocking rod, the second unlocking rod is arranged on the first moving platform, a battery supporting part is arranged on the first moving platform and used for elastically supporting the battery pack, and when the disassembly and assembly platform is located at the battery disassembly position below the electric automobile, at least part of the second unlocking rod extends out of the surface of the battery supporting part to be inserted into the battery pack.

10. The unlocking assembly of claim 9, wherein: the battery supporting part comprises a tray and an elastic mechanism, the tray is connected with the first moving platform through the elastic mechanism, and a through hole for the second unlocking rod to extend out is formed in the tray.

11. The unlocking assembly of claim 7, wherein: the battery replacement equipment further comprises a lifting mechanism used for lifting the dismounting platform to a battery dismounting position, so that the second unlocking portion is abutted and pushes the first unlocking portion to the extending position.

12. The unlocking assembly of claim 9, wherein: when the first unlocking part drives the locking mechanism to move to the unlocking position, the first moving platform bears the battery pack and is used for driving the battery pack to horizontally move along the first direction so as to disassemble the battery pack.

13. The unlocking assembly of claim 12, wherein: the first moving platform is further used for driving the battery pack to horizontally move to an unlocking pre-tightening position along a direction opposite to the first direction so as to release the limitation on the locking mechanism, and the locking mechanism is driven by the first unlocking part to move to the unlocking position.