CN212979845U

CN212979845U - Battery box locking device, battery box bracket assembly and electric automobile

Info

Publication number: CN212979845U
Application number: CN202020338345.9U
Authority: CN
Inventors: 张建平; 陈新雨; 兰志波; 仇丹梁
Original assignee: Aulton New Energy Automotive Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd
Priority date: 2020-03-17
Filing date: 2020-03-17
Publication date: 2021-04-16
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a battery box locking means, battery box bracket assembly and electric automobile, battery box locking means include battery box hold-down mechanism, and battery box hold-down mechanism can be followed the flexible direction that is close to or keeps away from the bracket and remove and be used for compressing tightly to support and lean on the battery box to restriction battery box removes on the bracket. The battery box bracket assembly comprises a bracket and a plurality of battery box locking devices. The electric automobile comprises a battery box bracket assembly. The battery box locking method comprises the following steps: controlling the battery box pressing mechanism to rotate along a first direction to open a channel for the battery box to enter the bracket; placing the battery box in a locked position on the bracket; controlling the battery box pressing mechanism to rotate along a second direction so as to close a channel for the battery box to enter and exit the bracket; and controlling the battery box pressing mechanism to approach and press the battery box on the bracket along the extension direction. The battery box is pressed through the battery box pressing mechanism, so that the phenomena of shaking, friction and the like of the battery box on the bracket are effectively avoided, and the stability is greatly improved.

Description

Battery box locking device, battery box bracket assembly and electric automobile

Technical Field

The utility model relates to a battery box locking device, battery box bracket assembly and electric automobile.

Background

In an electric automobile, locking and unlocking are realized between a battery box and a battery box bracket on an automobile chassis through a plurality of locking mechanisms. The locking mechanism that adopts at present includes lock axle, lock base, and lock axle and lock base correspond respectively to be installed on battery box and battery box bracket, realize locking and unblock through the lock axle insert or deviate from the locking inslot of locking base.

However, when the lock shaft is inserted into the locking groove to realize locking and fixing, the lock shaft still can have space in the locking groove and move, so that the battery box and the battery box bracket are not reliably matched, and the battery box is easy to loosen or fall off; meanwhile, in the running process of the electric automobile, because the battery box generates displacement in the battery box bracket, the battery box is easy to shake and rub, and bad phenomena such as abnormal sound, abrasion and the like occur.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to produce the displacement in the battery box bracket in order to overcome current battery box, easily produce and rock and rub, appear defects such as abnormal sound, wearing and tearing, provide a battery box locking means, battery box bracket assembly and electric automobile.

The utility model discloses an above-mentioned technical problem is solved through following technical scheme:

a battery box locking device comprises a battery box pressing mechanism, wherein the battery box pressing mechanism can move along a telescopic direction close to or far away from a bracket and is used for pressing against a battery box so as to limit the battery box to move on the bracket.

In this scheme, adopt above-mentioned structural style, can follow the flexible direction removal that is close to or keeps away from the bracket through battery box hold-down mechanism for battery box hold-down mechanism compresses tightly the battery box, has effectively avoided battery box production to rock on the bracket, phenomenons such as friction, has improved stability greatly.

Preferably, one end of the battery box pressing mechanism is movably connected to the bracket, and the other end of the battery box pressing mechanism can move along the telescopic direction and is used for pressing and abutting against the battery box so as to limit the movement of the battery box on the bracket.

In this scheme, adopt above-mentioned structural style, through battery box hold-down mechanism's one end and bracket swing joint, will drive battery box hold-down mechanism's removal for battery box hold-down mechanism's the other end removes and compresses tightly and leans on the battery box along flexible direction, thereby realizes the restriction that compresses tightly to the battery box.

Preferably, the pressing mechanism of the battery box comprises a pressing piece and a driving mechanism, the driving mechanism is movably connected to the bracket, and the driving mechanism drives the pressing piece to move along the telescopic direction.

In this scheme, adopt above-mentioned structural style, actuating mechanism will be used for driving to compress tightly the piece and remove along the direction of stretching out and drawing back, through compressing tightly the piece and pressing and leaning on the battery box to the realization compresses tightly the battery box and leans on the bracket, has avoided the battery box to remove on the bracket.

Preferably, the driving mechanism comprises an eccentric wheel assembly, the eccentric wheel assembly is arranged on the bracket, and the eccentric wheel assembly is connected with the pressing piece;

when the eccentric wheel component rotates, the pressing piece is driven to move along the telescopic direction.

In the scheme, by adopting the structural form, the eccentric wheel assembly can drive the pressing piece to move up and down along the telescopic direction when rotating, so that the pressing piece can press the battery box or loosen the battery box, and the use is very convenient; and the structure is simple.

Preferably, the rotating shaft of the eccentric wheel assembly is connected with the pressing piece, and the outer peripheral surface of the eccentric wheel abuts against the bracket;

when the eccentric wheel assembly rotates, the rotating shaft of the eccentric wheel assembly moves along the telescopic direction and drives the pressing piece to move along the direction close to the bracket or far away from the bracket.

In this scheme, adopt above-mentioned structural style, eccentric wheel assembly is when rotating, and eccentric wheel assembly's pivot will reciprocate, and the lift of the pivot through eccentric wheel assembly drives the chucking spare and removes along flexible direction, and it is all very convenient to compress tightly and loosen the use, and stability is high. Meanwhile, the structure is simple, and the cost is low.

Preferably, the eccentric wheel assembly includes an eccentric wheel and a connecting member, the eccentric wheel and the pressing member are respectively disposed at two sides of the bracket, one end of the connecting member is connected to the pressing member, and the other end of the connecting member is connected to a rotating shaft of the eccentric wheel.

In this scheme, adopt above-mentioned structural style, the rotation through the eccentric wheel will drive the connecting piece and remove along flexible direction to the realization compresses tightly the piece and compresses tightly or loosen with the battery box, and it is very convenient to use, and eccentric wheel assembly simple structure, and the equipment is convenient.

Preferably, the connecting piece comprises a U-shaped connecting portion and a connecting shaft, the U-shaped connecting portion is connected to a rotating shaft of the eccentric wheel, one end of the connecting shaft is connected with the pressing piece, and the other end of the connecting shaft is connected with the U-shaped connecting portion.

In this scheme, adopt above-mentioned structural style, be connected through the both ends of U type connecting portion with the pivot of eccentric wheel, effectively strengthened the stability between connecting piece and the eccentric wheel, further guaranteed that the connecting piece moves along the direction that stretches out and draws back. Meanwhile, the length direction of the connecting shaft is convenient to stretch out and draw back through the connecting shaft, accurate installation and setting are achieved, and the stability and reliability of the battery box locking device are improved.

Preferably, the eccentric wheel assembly further includes a limiting member, the limiting member is disposed between the eccentric wheel and the bracket, the outer circumferential surface of the eccentric wheel abuts against the limiting member, and the limiting member has a through hole for the connecting member to pass through.

In this scheme, adopt above-mentioned structural style, support through the eccentric wheel and lean on in the locating part and not directly support and lean on the bracket, play the guard action to the bracket. Meanwhile, the through hole has a limiting effect, the connecting piece can be guaranteed to rotate around the telescopic direction through the through hole, the pressing piece can be accurately pressed at the pressing position on the battery box, and the pressing piece can open and close the channel, so that the stability and the reliability of the battery box locking device are greatly improved.

Preferably, the driving mechanism is further configured to drive the pressing member to rotate around the telescopic direction, so as to close or open a passage through which the battery box enters or exits the bracket.

In this scheme, adopt above-mentioned structural style, it is rotatory to compress tightly a drive through actuating mechanism drive for compress tightly the piece and can not block the battery box, the battery box of being convenient for is got on the bracket and is put, and it is very convenient to use.

Preferably, the driving mechanism is configured to drive the connecting member to rotate, so as to drive the compressing member to rotate around the telescopic direction.

In this scheme, adopt above-mentioned structural style, actuating mechanism rotates drive connection spare, and the connecting piece is connected and is being compressed tightly the piece and will drive and compress tightly the piece and rotate around flexible direction to be convenient for getting of battery box and put.

Preferably, the limiting member is provided with a limiting groove for the rotation of the U-shaped connecting portion.

In this scheme, adopt above-mentioned structural style, the locating part is used for supplying U type connecting portion rotatory through the spacing groove, can play the restriction to U type connecting portion, has guaranteed U type connecting portion at the spacing inslot internal rotation, has effectively avoided the connecting piece to produce the skew dislocation phenomenon at rotatory in-process, has improved battery box locking device's reliable and stable greatly.

Preferably, the eccentric wheel assembly further comprises a first elastic member, and two ends of the first elastic member respectively abut against the bracket and the pressing member and apply an acting force to the pressing member in a direction away from the bracket.

In this scheme, adopt above-mentioned structural style, first elastic component can play the effect of being convenient for to resume initial condition, applys the effort of keeping away from the bracket direction to compressing tightly the piece through first elastic component for the eccentric wheel support to lean on the position automatic can move to the lower extreme, and it is very convenient to use, and guaranteed compressing tightly loosening of piece.

Preferably, the first elastic member is a spring, and the spring is sleeved on the connecting member.

In this scheme, adopt above-mentioned structural style, effectively avoided the spring to produce skew, break away from the phenomenon, improved battery box locking device's stability, and with low costs.

Preferably, a bearing is sleeved on the outer peripheral surface of the eccentric wheel.

In this scheme, adopt above-mentioned structural style, play the guard action through the bearing to eccentric wheel and locating part, effectively prevented eccentric wheel and locating part from producing wearing and tearing, improved battery box locking device's stability.

Preferably, a second elastic piece is arranged on the outer peripheral surface of the eccentric wheel.

In this scheme, adopt above-mentioned structural style, can exert the effort and provide certain pretightning force to the outer peripheral face of eccentric wheel through the second elastic component, further improved the stability of battery box locking device when compressing tightly.

Preferably, the eccentric wheel assembly further comprises a lock handle, the lock handle is connected to the eccentric wheel, and the lock handle is used for driving the eccentric wheel to rotate around the axis of the eccentric wheel or rotate around the telescopic direction under the action of external force.

In this scheme, adopt above-mentioned structural style, be convenient for exert the effort through the lock handle, convenient to use. And the structure is simple and the cost is low.

Preferably, the lock handle is fixedly connected with the eccentric wheel.

In this scheme, adopt above-mentioned structural style, realize using less effort drive lock handle just can drive the rotation and the removal of eccentric wheel, it is very convenient to use, and stability is high.

Preferably, the lock handle is swung against the bracket such that the abutment position of the eccentric against the bracket is moved towards the furthest end on the eccentric to achieve the abutment position at or beyond the furthest end on the eccentric.

In this scheme, adopt above-mentioned structural style, realize compressing tightly battery box and locking of battery box locking device, improved battery box locking device's stability greatly.

A battery box bracket assembly comprises a bracket and a plurality of battery box locking devices.

In this scheme, adopt above-mentioned structural style, compress tightly the battery box through a plurality of battery box locking means, effectively avoided the battery box to produce on the bracket and rocked, phenomenon such as friction, improved electric automobile's stability greatly.

Preferably, a plurality of the battery box pressing mechanisms are respectively arranged on two sides of the bottom of the bracket and used for abutting against two sides of the battery box.

In this scheme, adopt above-mentioned structural style, compress tightly respectively through a plurality of battery box hold-down mechanism and lean on the both sides that lean on at the battery box, effectively strengthened compressing tightly to the battery box and fixed on the bracket, further avoided the battery box to produce phenomenons such as rocking, friction on the bracket, improved battery box bracket assembly's stability.

An electric vehicle comprising a battery box bracket assembly as described above.

In this scheme, adopt above-mentioned structural style, effectively avoided the battery box to produce on the bracket and rocked, phenomenon such as friction, improved electric automobile's stability greatly.

A battery box locking method comprises the following steps:

controlling the battery box pressing mechanism to rotate along a first direction to open a channel for the battery box to enter the bracket;

a locked position placing the battery box on the bracket;

controlling the battery box pressing mechanism to rotate along a second direction so as to close a channel for the battery box to enter and exit the bracket;

and controlling the battery box pressing mechanism to approach and press the battery box on the bracket along the extension direction.

In the scheme, the battery box is compressed by the battery box compressing mechanism, so that the phenomena of shaking, friction and the like of the battery box on the bracket are effectively avoided; meanwhile, the battery box locking method is very simple and convenient to use and high in stability.

On the basis of the common knowledge in the field, the above preferred conditions can be combined at will to obtain the preferred embodiments of the present invention.

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

the utility model discloses a battery box locking means, battery box bracket assembly and electric automobile compress tightly the battery box through battery box hold-down mechanism, have effectively avoided the battery box to produce on the bracket and have rocked, phenomenon such as friction, have improved stability greatly.

Drawings

Fig. 1 is a schematic structural diagram of a battery box bracket assembly according to an embodiment of the present invention when being compressed.

Fig. 2 is a schematic structural view of a battery box bracket assembly according to an embodiment of the present invention when loosened.

Fig. 3 is a schematic structural diagram of a battery box locking device of a battery box bracket assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a battery box bracket assembly according to an embodiment of the present invention when the passage is opened.

Fig. 5 is a schematic structural diagram of a battery box bracket assembly according to an embodiment of the present invention when the passage is closed.

Description of reference numerals:

pressing part 1

Eccentric wheel assembly 2

Eccentric wheel 21

Rotating shaft 211

Connecting piece 22

U-shaped connecting part 221

Connecting shaft 222

Stopper 23

Limiting groove 231

First elastic member 24

Bearing 25

Lock handle 26

Battery box hold-down mechanism 10

Bracket 100

Battery box 200

Detailed Description

The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.

As shown in fig. 1, 2 and 3, a battery box bracket assembly according to an embodiment of the present invention includes a bracket 100 and a plurality of battery box locking devices. The battery box locking device comprises a battery box pressing mechanism 10, wherein the battery box pressing mechanism 10 can move along the telescopic direction close to or far away from the bracket 100 and is used for pressing and abutting against the battery box 200 so as to limit the movement of the battery box 200 on the bracket 100.

The battery box 200 is placed on the bracket 100, the battery box pressing mechanism 10 moves in the direction close to the bracket 100, and the battery box bracket assembly is in pressing, so that the battery box pressing mechanism 10 will tightly press against the battery box 200, thereby effectively limiting the movement of the battery box 200 on the bracket 100. The battery box pressing mechanism 10 moves in a direction away from the bracket 100, and the battery box bracket assembly is in a releasing state, so that the battery box 200 on the bracket 100 can be taken and placed. The battery box pressing mechanism 10 moves in the telescopic direction and presses the battery box 200, so that the phenomena of shaking, friction and the like of the battery box 200 on the bracket 100 are effectively avoided, and the stability is greatly improved.

One end of the battery box pressing mechanism 10 is movably connected to the bracket 100, and the other end of the battery box pressing mechanism 10 can move along the telescopic direction and is used for pressing and abutting against the battery box 200 so as to limit the movement of the battery box 200 on the bracket 100. Through the one end of battery box hold-down mechanism 10 and bracket 100 swing joint, will drive the removal of battery box hold-down mechanism 10 for the other end of battery box hold-down mechanism 10 moves and compresses tightly and leans on battery box 200 along the direction of stretching out and drawing back, thereby realizes the restriction to battery box 200.

The battery box pressing mechanism 10 includes a pressing member 1 and a driving mechanism, the driving mechanism is movably connected to the bracket 100, and the driving mechanism drives the pressing member 1 to move along the extending direction. The driving mechanism is used for driving the pressing piece 1 to move along the extending direction, and the pressing piece 1 is pressed against the battery box 200, so that the battery box 200 is pressed against the bracket 100, and the battery box 200 is prevented from moving on the bracket 100.

The driving mechanism comprises an eccentric wheel assembly 2, the eccentric wheel assembly 2 is arranged on the bracket 100, and the eccentric wheel assembly 2 is connected with the pressing piece 1; the pressing member 1 is driven to move in the telescopic direction when the eccentric wheel assembly 2 rotates. When the eccentric wheel assembly 2 rotates, the pressing piece 1 can be driven to move up and down along the stretching direction, so that the pressing piece 1 can press the battery box 200 or loosen the battery box 200, and the use is very convenient; and the structure is simple.

The rotating shaft of the eccentric wheel component 2 is connected with the pressing piece 1, and the peripheral surface of the eccentric wheel 21 is abutted against the bracket 100; when the eccentric wheel assembly 2 rotates, the rotating shaft of the eccentric wheel assembly 2 moves in the telescopic direction and drives the pressing member 1 to move in the direction approaching to the bracket 100 or away from the bracket 100.

The eccentric wheel assembly 2 has a farthest end and a nearest end, when the eccentric wheel assembly 2 rotates, a rotating shaft of the eccentric wheel assembly 2 moves up and down, and the pressing piece 1 is connected with the rotating shaft of the eccentric wheel assembly 2, so that when the eccentric wheel assembly 2 rotates, the rotating shaft of the eccentric wheel assembly 2 drives the pressing piece 1 to move up and down together, and therefore the pressing piece 1 moves in a direction close to the bracket 100 and presses the battery box or moves in a direction far away from the bracket 100 and releases the battery box. The pressing and loosening are convenient to use, and the stability is high. Meanwhile, the structure is simple, and the cost is low.

The eccentric wheel assembly 2 comprises an eccentric wheel 21 and a connecting piece 22, the eccentric wheel 21 and the pressing piece 1 are respectively and oppositely arranged at two sides of the bracket 100, one end of the connecting piece 22 is connected with the pressing piece 1, and the other end of the connecting piece 22 is connected with a rotating shaft 211 of the eccentric wheel 21. When the eccentric wheel 21 rotates from the nearest end to the farthest end, the rotating shaft 211 of the eccentric wheel 21 moves along the direction away from the bracket 100, and the pressing piece 1 is driven to move along the direction close to the bracket 100 through the connecting piece 22, so that the pressing piece 1 is pressed and supported on the battery box 200, the phenomena of shaking, friction and the like of the battery box 200 on the bracket 100 are effectively avoided, and the stability is greatly improved. When the eccentric wheel 21 rotates from the most distal end to the most proximal end, the rotating shaft 211 of the eccentric wheel 21 will move in the direction close to the bracket 100, and the pressing member 1 will be driven by the connecting member 22 to move in the direction away from the bracket 100, so that the pressing member 1 will be loosened and have a gap with the battery box 200, thereby unlocking the battery box 200 on the bracket 100. The connecting piece 22 is driven to move along the telescopic direction through the rotation of the eccentric wheel 21, so that the pressing piece 1 and the battery box 200 are pressed or loosened, the use is very convenient, and the eccentric wheel assembly 2 is simple in structure and convenient to assemble.

In this embodiment, the bracket 100 has a through hole, and the connecting member 22 will pass through the through hole and be connected with the pressing member 1 and the rotating shaft 211 of the eccentric wheel 21. The through hole of the bracket 100 can limit the movement of the connecting element 22, and ensures that the connecting element 22 moves along the telescopic direction.

As shown in fig. 1 to 5, the driving mechanism is further configured to drive the pressing member 1 to rotate in the telescopic direction to close or open the passage of the battery box 200 into or out of the bracket 100. The driving mechanism drives the pressing piece 1 to rotate around the telescopic direction, so that the battery box bracket assembly is switched and adjusted between a channel closing state and a channel opening state, when the channel is closed, the pressing piece 1 rotates to stretch into the channel to close the battery box 200 to enter and exit the bracket 100, and when the channel is opened, the pressing piece 1 rotates to retract outside the channel to open the battery box 200 to enter and exit the bracket 100. The driving mechanism drives the pressing part 1 to rotate, so that the pressing part 1 cannot block the battery box 200, the battery box 200 is convenient to take and place on the bracket 100, and the use is very convenient.

The driving mechanism is used for driving the connecting piece 22 to rotate so as to drive the pressing piece 1 to rotate around the telescopic direction. The driving mechanism drives the connecting piece 22 to rotate, and the connecting piece 22 connected to the pressing piece 1 can drive the pressing piece 1 to rotate around the telescopic direction. When compressing tightly battery box 200, actuating mechanism will drive connecting piece 22 and rotate around flexible direction as the axle, compress tightly 1 and will stretch into to the passageway in, later actuating mechanism will drive connecting piece 22 and move along the flexible direction for compress tightly 1 and compress tightly and lean on in battery box 200. Otherwise, the connecting member 22 moves along the extending direction and is loosened, then the driving mechanism drives the connecting member 22 to rotate around the extending direction as an axis, and the pressing member 1 rotates to the outside of the channel, so that the battery box 200 is convenient to take and place. In this embodiment, the shape of the pressing member 1 is semicircular, and of course, the pressing member 1 may have other shapes such as a bar shape as long as the channel can be opened and closed.

The plurality of battery box pressing mechanisms 10 are respectively disposed at both sides of the bottom of the bracket 100 and used to abut against both sides of the battery box 200. The battery box pressing mechanisms 10 are pressed against the two sides of the battery box 200 respectively, so that the battery box 200 is effectively pressed and fixed on the bracket 100, the phenomena of shaking, friction and the like of the battery box 200 on the bracket 100 are further avoided, and the stability of the battery box bracket assembly is improved. In the present embodiment, a plurality of battery box pressing mechanisms 10 are respectively disposed on both sides of the bottom of the bracket 100. Of course, in other embodiments, several battery box pressing mechanisms 10 may be disposed on the side or the top of the bracket 100.

The connecting piece 22 comprises a U-shaped connecting part 221 and a connecting shaft 222, the U-shaped connecting part 221 is connected to the rotating shaft 211 of the eccentric wheel 21, one end of the connecting shaft 222 is connected with the pressing piece 1, and the other end of the connecting shaft 222 is connected with the U-shaped connecting part 221. The U-shaped connecting portion 221 is sleeved on the eccentric wheel 21 and connected with two ends of the rotating shaft 211 of the eccentric wheel 21, so that the connection stability between the connecting member 22 and the eccentric wheel 21 is effectively enhanced, and the connecting member 22 is further ensured to move along the telescopic direction. The two ends of the connecting shaft 222 are respectively connected to the U-shaped connecting portion 221 and the pressing member 1, the length direction of the connecting shaft 222 is a telescopic direction, the length direction of the connecting shaft 222 is conveniently realized to be a telescopic direction through the connecting shaft 222, the connecting shaft 222 and the U-shaped connecting portion 221 are arranged between the pressing member 1 and the eccentric wheel, axial rotation of the eccentric wheel 21 is converted into telescopic motion of the pressing member 1 along the vertical direction, the pressing member 1 moves towards the bracket 100 to lock the bracket 100 of the battery box 200, meanwhile, rotation of the eccentric wheel 21 along the vertical direction can be converted into rotation of the pressing member 1 along the telescopic direction to open or close a channel through which the battery box 200 enters or exits the bracket 100 through the U-shaped connecting portion 221 and the connecting shaft 222, accurate installation is realized, and stability and reliability of the battery box bracket assembly are improved.

The eccentric wheel assembly 2 further comprises a limiting member 23, the limiting member 23 is disposed between the eccentric wheel 21 and the bracket 100, the outer circumferential surface of the eccentric wheel 21 abuts against the limiting member 23, and the limiting member 23 has a through hole for the connecting member 22 to pass through. The bracket 100 is protected by the eccentric 21 abutting against the stopper 23 and not directly abutting against the bracket 100. Meanwhile, the limiting part 23 is provided with a through hole for the connecting part 22 to pass through, the through hole has a limiting effect, the connecting part 22 ensures that the connecting part 22 rotates around the telescopic direction through the through hole, so that the pressing part 1 can be accurately pressed on the pressing position of the battery box 200 and the pressing part 1 is driven to open and close the channel, and the stability and reliability of the battery box bracket assembly are greatly improved.

The limiting member 23 is provided with a limiting groove 231 for the U-shaped connecting portion 221 to rotate. The limiting part 23 is used for rotation of the U-shaped connecting part 221 through the limiting groove 231, can limit the U-shaped connecting part 221, ensures that the U-shaped connecting part 221 rotates in the limiting groove 231, effectively avoids the phenomenon of offset and dislocation of the connecting part 22 in the rotating process, and greatly improves the stability and reliability of the battery box bracket assembly.

The eccentric wheel assembly 2 further comprises a locking handle 26, the locking handle 26 is connected to the eccentric wheel 21, and the locking handle 26 is used for driving the eccentric wheel 21 to rotate around the axis or rotate around the telescopic direction under the action of external force. The eccentric wheel 21 will be driven to rotate around the telescopic direction by acting force on the locking handle 26, and the rotation of the eccentric wheel 21 will drive the connecting piece 22 and the pressing piece 1 to rotate around the telescopic direction together, so that the battery box locking device opens or closes the channel. Meanwhile, the eccentric wheel 21 is driven to rotate around the axis of the eccentric wheel 21 by acting force on the lock handle 26, the eccentric wheel 21 abuts against the limiting piece 23, the rotating shaft 211 of the eccentric wheel 21 moves in the stretching direction, and the connecting piece 22 and the pressing piece 1 are driven to rotate together in the stretching direction by the movement of the rotating shaft 211, so that the pressing and the releasing of the battery box locking device are realized. The acting force is conveniently applied through the lock handle 26, and the use is convenient. And the structure is simple and the cost is low.

The locking handle 26 is fixedly connected with the eccentric wheel 21. One end of the locking handle 26 is fixedly connected to the eccentric wheel 21, and the other end of the locking handle 26 extends outwards, so that the locking handle 26 can be driven to rotate and move the eccentric wheel 21 by small acting force, and the locking device is very convenient to use and high in stability.

The locking handle 26 is swung and abuts against the bracket 100 such that the abutment position of the eccentric 21 against the bracket 100 is moved towards the furthest end on the eccentric 21 to achieve an abutment position at or beyond the furthest end on the eccentric 21. When the battery box locking device is released, the farthest end of the eccentric wheel 21 does not abut against the limiting piece 23, and the lock handle 26 does not abut against the bracket 100; when the battery box locking device needs to be compressed, acting force is applied to the locking handle 26 and drives the locking handle 26 to swing upwards, so that the eccentric wheel 21 rotates along the rotating shaft 211, the abutting position of the eccentric wheel 21 and the limiting piece 23 moves towards the farthest end on the eccentric wheel 21, and the rotating shaft 211 also moves downwards at the same time, and the connecting piece 22 and the compressing piece 1 are driven to move downwards to realize compression.

When the lock handle 26 abuts against the bottom of the bracket 100, the lock handle 26 can not swing upwards any more, and the abutting position of the eccentric wheel 21 and the limiting piece 23 can be located at the farthest end on the eccentric wheel 21, so that the connecting piece 22 and the pressing piece 1 move downwards to the lowest point; the abutting position of the eccentric wheel 21 and the limiting piece 23 can also cross the farthest end on the eccentric wheel 21 and slightly cross the farthest end on the eccentric wheel 21, although the connecting piece 22 and the pressing piece 1 can be lifted upwards a little, the pressing effect is not affected, and the abutting position on the eccentric wheel 21 cannot be continuously rolled forwards because the lock handle 26 abuts against the bracket 100 and cannot be returned to the farthest end on the eccentric wheel 21, so that the battery box 200 can be pressed and locked by the battery box locking device, and the stability of the battery box locking device is greatly improved.

The eccentric wheel assembly 2 further comprises a first elastic member 24, and two ends of the first elastic member 24 respectively abut against the bracket 100 and the pressing member 1 and apply acting force to the pressing member 1 in a direction away from the bracket 100. The first elastic member 24 can play a role in facilitating the recovery of the initial state, when the lock handle 26 swings downwards due to the action force on the lock handle 26, the abutting position on the eccentric wheel 21 will return to and cross the farthest end on the eccentric wheel 21, and then the action force can be applied no longer, and the action force in the direction away from the bracket 100 is applied to the pressing member 1 through the first elastic member 24, so that the abutting position of the eccentric wheel 21 automatically moves to the lowest end, the use is very convenient, and the loosening of the pressing member 1 is ensured.

The first elastic member 24 is a spring, and the spring is sleeved on the connecting member 22. The connecting piece 22 is arranged through the spring, so that the phenomena of deviation and separation of the spring are effectively avoided, the stability of the battery box locking device is improved, and the cost is low.

The outer peripheral surface of the eccentric wheel 21 is sleeved with a bearing 25. The peripheral surface of the eccentric wheel 21 is abutted against the limiting piece 23 and rolls on the limiting piece 23 in the using process, the bearing 25 plays a role in protecting the eccentric wheel 21 and the limiting piece 23, the eccentric wheel 21 and the limiting piece 23 are effectively prevented from being abraded, and the stability of the battery box locking device is improved.

A second elastic member is provided on the outer peripheral surface of the eccentric wheel 21. Through second elastic component can exert effort and provide certain pretightning force to the outer peripheral face of eccentric wheel 21, further improved the stability of battery box locking device when compressing tightly.

By arranging the eccentric wheel assembly 2 with the structure, the telescopic motion and the rotary motion of the pressing piece 1 can be realized, and further the locking or unlocking of the battery box 200 on the bracket 100 can be realized.

The embodiment also discloses an electric automobile which comprises the battery box bracket assembly. The battery box 200 is compressed by the battery box locking devices, so that the phenomena of shaking, friction and the like of the battery box 200 on the bracket 100 are effectively avoided, and the stability of the electric automobile is greatly improved.

The embodiment also discloses a battery box locking method, which comprises the following steps: controlling the battery box pressing mechanism 10 to rotate in a first direction to open the passage of the battery box 200 into the bracket 100; a locked position in which the battery box 200 is placed on the bracket 100; controlling the battery box pressing mechanism 10 to rotate in the second direction to close the passage of the battery box 200 into and out of the bracket 100; the battery box pressing mechanism 10 is controlled to approach and press the battery box 200 on the bracket 100 in the extending and contracting direction.

In this embodiment, the locking handle 26 is rotated to drive the eccentric wheel 21 to rotate along a first direction, the pressing member 1 moves in a direction away from the bracket 100 to open a passage for the battery box 200 to enter the bracket 100, the first direction is a direction rotating along an extending direction as an axis, after the battery box 200 is placed in a locking position on the bracket 100, the locking handle 26 is driven to drive the eccentric wheel 21 to rotate along a second direction, the pressing member 1 closes the passage for the battery box 200 to enter and exit the bracket 100, the second direction is a direction rotating along a rotation axis of the eccentric wheel 21, the locking handle 26 is driven to drive the eccentric wheel 21 to rotate around the rotation axis, the pressing member 1 is driven to move in a direction close to the battery box 200, and the battery box 200 is pressed on the bracket 100, so as to lock the battery box 200 relative to the bracket 100.

By rotating the lock handle 26, the pressing piece 1 retracts to the outside of the passage of the battery box 200 entering the bracket 100, and the battery box 200 is put on the bracket 100 through the opened passage, so that the battery box 200 is greatly convenient to put in; after the battery box 200 is accurately positioned and placed in the locking position, continuing to rotate the lock handle 26, so that the pressing piece 1 extends into the channel of the battery box 200 entering the bracket 100, and the pressing piece 1 is positioned above the battery box 200; then, the lock handle 26 is swung upward, and the control pressing member 1 approaches and presses the battery box 200 onto the bracket 100 in the extending and contracting direction.

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 all within the scope of the present invention.

Claims

1. The battery box locking device is characterized by comprising a battery box pressing mechanism, wherein the battery box pressing mechanism can move along the telescopic direction close to or far away from a bracket and is used for pressing and abutting against a battery box so as to limit the movement of the battery box on the bracket.

2. The battery box locking apparatus of claim 1, wherein one end of the battery box pressing mechanism is movably connected to the bracket, and the other end of the battery box pressing mechanism is movable in the telescopic direction and is used for pressing against the battery box to limit the movement of the battery box on the bracket.

3. The battery box locking apparatus of claim 1, wherein the battery box pressing mechanism comprises a pressing member and a driving mechanism, the driving mechanism is movably connected to the bracket, and the driving mechanism drives the pressing member to move along the telescopic direction.

4. The battery box locking apparatus of claim 3, wherein said driving mechanism comprises an eccentric wheel assembly, said eccentric wheel assembly being disposed on said bracket, and said eccentric wheel assembly being connected to said pressing member;

5. The battery box locking apparatus of claim 4, wherein the rotating shaft of the eccentric wheel assembly is connected to the pressing member, and the outer circumferential surface of the eccentric wheel assembly abuts against the bracket;

6. The battery box locking apparatus of claim 5, wherein the eccentric wheel assembly comprises an eccentric wheel and a connecting member, the eccentric wheel and the pressing member are respectively disposed at opposite sides of the bracket, one end of the connecting member is connected to the pressing member, and the other end of the connecting member is connected to a rotating shaft of the eccentric wheel.

7. The battery box locking apparatus of claim 6, wherein the connecting member comprises a U-shaped connecting portion and a connecting shaft, the U-shaped connecting portion is connected to the rotating shaft of the eccentric wheel, one end of the connecting shaft is connected to the pressing member, and the other end of the connecting shaft is connected to the U-shaped connecting portion.

8. The battery box locking apparatus according to claim 7, wherein the eccentric wheel assembly further comprises a stopper provided between the eccentric wheel and the bracket, an outer circumferential surface of the eccentric wheel abuts against the stopper, and the stopper has a through hole through which the connecting member passes.

9. The battery box locking apparatus of claim 6, wherein the driving mechanism is further configured to drive the pressing member to rotate in the telescopic direction to close or open the passage of the battery box into and out of the bracket.

10. The battery box locking apparatus of claim 9, wherein the driving mechanism is configured to drive the connecting member to rotate so as to rotate the pressing member around the telescopic direction.

11. The battery box locking apparatus of claim 8, wherein the retaining member is provided with a retaining groove for allowing the U-shaped connecting portion to rotate.

12. The battery box locking apparatus of claim 6, wherein the eccentric wheel assembly further comprises a first elastic member, both ends of the first elastic member respectively abut against the bracket and the pressing member and apply a force to the pressing member in a direction away from the bracket.

13. The battery-compartment locking apparatus of claim 12 wherein said first resilient member is a spring, said spring being received in said connecting member.

14. The battery box locking apparatus of claim 6, wherein a bearing is fitted over an outer circumferential surface of the eccentric wheel.

15. The battery box locking apparatus of claim 6, wherein a second elastic member is provided on an outer circumferential surface of the eccentric wheel.

16. The battery box locking apparatus of claim 6, wherein the eccentric wheel assembly further comprises a locking handle, the locking handle is connected to the eccentric wheel, and the locking handle is used for driving the eccentric wheel to rotate around the axis or rotate around the telescopic direction under the action of external force.

17. The battery pack locking apparatus of claim 16 wherein said locking handle is fixedly attached to said eccentric.

18. A battery pack locking apparatus as set forth in claim 16 wherein swinging said lock handle against said bracket moves the abutment position of said cam against said bracket toward the distal-most end on said cam to effect said abutment position at or beyond the distal-most end on said cam.

19. A battery compartment carrier assembly comprising a carrier and a plurality of battery compartment latching means as claimed in any one of claims 1 to 18.

20. The battery box bracket assembly of claim 19, wherein a plurality of the battery box hold-down mechanisms are respectively disposed on both sides of the bottom of the bracket and adapted to abut against both sides of the battery box.

21. An electric vehicle comprising the battery box bracket assembly of claim 19 or 20.