CN212332351U

CN212332351U - Locking device, bracket assembly and electric automobile

Info

Publication number: CN212332351U
Application number: CN202020339665.6U
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: 2021-01-12
Anticipated expiration: 2030-03-17

Abstract

The utility model discloses a locking means, bracket assembly and electric automobile and battery box's locking method, locking means includes locking mechanism, locking mechanism be used for connect on the bracket tiltably and with the bracket cooperatees in order to realize that the battery box is relative the locking of battery box bracket. The utility model discloses a set up locking mechanism with locking means on the bracket to through upset locking mechanism, thereby realize that locking mechanism carries out locking or unblock to the battery box, and then be convenient for realize the fixed or change to the battery box. The utility model discloses a locking device is favorable to improving the steadiness of battery box, is favorable to improving the reliability of the electricity of battery box to be connected.

Description

Locking device, bracket assembly and electric automobile

Technical Field

The utility model relates to a locking means, bracket assembly and electric automobile.

Background

With social development and technological progress, electric vehicles are more and more popular with consumers, and as a power source of the electric vehicles, a battery box needs to be charged in time. Due to the requirements of endurance mileage and power, the electric quantity of a battery box required by an automobile is higher and higher, the requirement of using the automobile in partial scenes cannot be met by a traditional charging mode, the battery box needs to be replaced and placed on a charging frame for charging, and the automobile can be normally used in the charging time. The battery replacing type battery box (battery box assembly) consists of a battery box and a bracket, and the battery rack is arranged on the bracket so as to realize the fixation, stability and reliability of the battery box. In the prior art, the battery box with a large size cannot be accurately locked, so that the battery box and the bracket are not reliably matched or the battery replacement efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a locking means, bracket assembly and electric automobile in order to overcome the insecure defect of battery box and bracket cooperation among the prior art.

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

a locking device comprises a locking mechanism, wherein the locking mechanism is used for being connected to a bracket in a turnover mode and matched with the bracket to achieve locking of a battery box relative to the bracket of the battery box.

In this scheme, through adopting above structure, set up locking means of locking means on the bracket to through upset locking means, thereby realize that locking means carries out locking or unblock to the battery box, and then be convenient for realize fixing or changing the battery box. The locking device of this scheme is favorable to improving the steadiness of battery box, is favorable to improving the reliability of the electricity of battery box to be connected.

Preferably, the locking mechanism includes a connecting assembly and a blocking member, the blocking member is connected to the bracket through a rotating shaft in a turnable manner, one end of the connecting assembly is connected to the bracket in a swingable manner, and the other end of the connecting assembly is connected to the blocking member and is used for driving the blocking member to turn between a first position and a second position.

In this scheme, through adopting above structure, will utilize coupling assembling and block parts, be favorable to simplifying locking mechanism's design form, be favorable to improving locking mechanism's reliability.

Preferably, the first position is a locked position and the second position is an unlocked position.

In this scheme, through adopting above structure, with first position design for locking position, the second position design is unlocking position to realize blockking that the part switches between locking position and unlocking position, and then be favorable to the locking and the unblock of battery box, be favorable to the fixed or the change of battery box.

Preferably, the connecting assembly is a multi-link mechanism, the multi-link mechanism includes at least two links, one end of the link is connected to the bracket, and the other end of the link is connected to the blocking member.

In this scheme, through adopting above structure, utilize two at least connecting rod upset to block parts, be favorable to simplifying the design form of many link mechanism, be favorable to simplifying the design form of locking mechanism, be favorable to improving the reliability of locking mechanism.

Preferably, the locking mechanism includes a push rod and a connecting rod, one end of the push rod is swingably connected to the bracket, the other end of the push rod is rotatable with one end of the connecting rod, and the other end of the connecting rod is rotatably connected to the blocking member.

In this scheme, through adopting above structure, utilize push rod and connecting rod upset to block parts, be favorable to simplifying the design of many link mechanism, be favorable to simplifying the design of locking mechanism, be favorable to improving the reliability of locking mechanism.

Preferably, the blocking member includes a door, one end of the door is rotatably connected to the bracket, and the other end of the door is rotatably connected to the connecting assembly.

In this scheme, through adopting above structure, be connected to the bracket with the chamber door, be favorable to improving the steadiness of chamber door, be favorable to improving chamber door pivoted efficiency.

Preferably, the locking mechanism further comprises a first latch, the first latch is connected to the blocking member, and when the blocking member is located at the first position, the first latch is used for being inserted into a first latch seat on the battery box.

In this scheme, through adopting above structure, utilize first lock catch to insert the first lock seat on the battery box, be favorable to improving the steadiness of battery box for locking mechanism, and then be favorable to improving locking means's reliability.

Preferably, the locking mechanism further comprises a second locking catch connected to the blocking member, the second locking catch being adapted to be inserted into a second locking seat on the bracket when the blocking member is in the first position.

In this scheme, through adopting above structure, utilize the second hasp to insert the second lock seat on the bracket, be favorable to further improving the steadiness of battery box for locking mechanism, and then be favorable to further improving locking device's reliability.

Preferably, the first lock catch is provided with a first guide part, and the first guide part is used for guiding the first lock catch to be clamped into the first lock seat; the second lock catch is provided with a second guide part, and the second guide part is used for guiding the second lock catch to be clamped into the second lock seat.

In this scheme, through adopting above structure, utilize first guide part and second guide part to make first hasp and second hasp insert first lock seat and second lock seat respectively smoothly.

Preferably, the blocking component further comprises a lock rod, the lock rod is connected to one side of the box door, which is far away from the rotating shaft of the blocking component, and the first lock catch and/or the second lock catch are/is connected to the lock rod.

In this scheme, through adopting above structure, utilize the locking lever to drive first hasp or second hasp, be favorable to improving the efficiency that first hasp and second hasp inserted first lock seat and second lock seat respectively.

Preferably, the connecting assembly is rotatably connected to the locking bar; or, the connecting component is fixedly connected to the lock rod.

In this scheme, through adopting above structure, utilize coupling assembling to drive the locking lever to realized blockking the upset of part through the locking lever, also realized simultaneously that first hasp and second hasp insert respectively or pull out first lock seat and second lock seat, be favorable to improving the efficiency of battery box locking and unblock.

A carrier assembly comprising a locking arrangement as described above.

In this scheme, through adopting above structure, set up locking means in the bracket assembly, be favorable to improving the steadiness of battery box on the bracket, be favorable to improving the reliability of the electricity connection of battery box.

Preferably, the bracket assembly further comprises a limiting mechanism, and when the battery box is in a locked state, the limiting mechanism is used for fixing the movement of the locking mechanism relative to the bracket so as to limit the movement of the battery box on the bracket.

In this scheme, through adopting above structure, utilize stop gear fixed locking mechanism, be favorable to avoiding locking mechanism to move by accident, be favorable to avoiding battery box to move by accident, be favorable to improving locking mechanism's steadiness, be favorable to improving the reliability of bracket assembly.

Preferably, the limiting mechanism comprises a lock tongue, a lock groove is formed in the locking mechanism, and the lock tongue can extend into the lock groove or retract outside the lock groove.

In this scheme, through adopting above structure, with the design of latch mechanism for spring bolt and corresponding locked groove, utilize spring bolt and locked groove interact to realize locking mechanism's fixed. The design form of the lock mechanism is facilitated to be simplified, and the reliability of the lock mechanism is facilitated to be improved.

Preferably, the bracket assembly further comprises a limiting block, the limiting block is arranged on a moving path of the locking mechanism in the bracket, and the limiting block is used for limiting a moving limit position of the locking mechanism in a locking or unlocking process.

In the scheme, by adopting the structure, the limit position of the locking mechanism is limited by the limit block, so that the phenomenon that the turnover angle of the locking mechanism and the battery box is too large is avoided, the phenomenon that the locking mechanism is too large in force against the battery box is avoided, and the reliability of the locking battery box is improved; the stroke of the locking mechanism locking battery box can be shortened, and the efficiency of the locking mechanism locking battery box can be improved.

Preferably, the carriage assembly further comprises a drive mechanism for driving movement of the locking mechanism.

In this scheme, through adopting above structure, utilize actuating mechanism to realize locking mechanism's removal, be favorable to simplifying the process of battery box locking, be favorable to improving the efficiency of battery box locking.

Preferably, the bracket assembly further comprises a first sensor for detecting the specific position of the battery box, and an output end of the first sensor is electrically connected to the driving mechanism.

In this scheme, through adopting above structure, utilize first sensor to be used for detecting the concrete position of battery box to with the output electricity of first sensor connect in actuating mechanism is favorable to improving the precision and the reliability of battery box installation, also is favorable to improving the automation level of battery box installation.

Preferably, the carriage assembly further includes a second sensor for detecting a locked state of the locking mechanism.

In this scheme, through adopting above structure, utilize the second sensor to detect locking mechanism's state, be favorable to improving the reliability of battery box locking.

Preferably, the bracket assembly further comprises a driving member, one end of the driving member is connected to the locking mechanism, and the other end of the driving member is located on a moving path of the battery box on the bracket; the battery box is installed in the bracket from the outside of the bracket, and the battery box can extrude the driving piece and drive the locking mechanism to move so as to realize the locking of the battery box on the bracket.

In this scheme, through adopting above structure, utilize the driving piece to turn into locking mechanism's removal with the motion of battery box, when realizing the battery box installation, also realized locking mechanism to the locking of battery box, be favorable to simplifying the process of battery box locking, be favorable to improving the efficiency of battery box installation.

Preferably, the driving member is connected to the rotating shaft of the locking mechanism, and is configured to drive the rotating shaft to rotate so as to drive the locking mechanism to rotate.

In this scheme, through adopting above structure, utilize the driving piece to drive the axis of rotation to drive locking mechanism and rotate, and then realize the locking of battery box, be favorable to simplifying the process of battery box locking, be favorable to improving the efficiency of battery box installation.

An electric vehicle comprises the bracket assembly.

In this scheme, through adopting above structure, with the bracket assembly setting in electric automobile, be favorable to improving electric automobile's battery box's security and reliability, and then be favorable to improving electric automobile's security and reliability.

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 set up locking mechanism with locking means on the bracket to through upset locking mechanism, thereby realize that locking mechanism carries out locking or unblock to the battery box, and then be convenient for realize the fixed or change to the battery box. The utility model discloses a locking device is favorable to improving the steadiness of battery box, is favorable to improving the reliability of the electricity of battery box to be connected.

Drawings

Fig. 1 is a schematic structural diagram of a locking device according to a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of the first lock catch and the second lock catch of the locking device according to the preferred embodiment of the present invention.

Fig. 3 is a schematic structural view of the first lock seat and the second lock seat of the locking device according to the preferred embodiment of the present invention.

Fig. 4 is another schematic structural diagram of the locking device according to the preferred embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a bracket assembly according to a preferred embodiment of the present invention.

Fig. 6 is a partial schematic structural diagram of an electric vehicle according to a preferred embodiment of the present invention.

Description of reference numerals:

locking device 100

Locking mechanism 10

Connecting assembly 11

Barrier component 12

Multi-link mechanism 13

Push rod 131

Connecting rod 132

Lock catch 14

Lock seat 15

Guide part 16

Connecting hole 17

Elastic member 18

Lock rod 19

Bracket assembly 200

Side plate 21

Bracket 22

Battery box 91

Chassis 92

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.

Fig. 1 shows the locking device 100, and for the convenience of understanding, the side plate 21 is also shown in the figure, and it should be noted that the side plate 21 does not belong to the components of the locking device 100. The locking device 100 is fixedly arranged on the side plate. Fig. 2 is a schematic view of the first locking device or the second locking device. Fig. 3 is a schematic view of the first lock seat or the second lock seat. Fig. 4 shows the locking device 100, in which the link 132 can slide relative to the push rod 131, the other end of the link 132 is fixedly connected with the lock rod 19, and the lock catch 14 is fixedly arranged on the lock rod 19. Fig. 5 shows a bracket assembly 200, which includes the locking device 100 of fig. 1. For ease of illustration, a battery box 91 is also shown. Note that the battery box 91 is not a component of the bracket assembly 200. The lock device 100 is provided on the bracket 22, the lock mechanism 10 is connected to the bracket 22, and the lock mechanism 10 locks the battery case 91. Fig. 6 is a part of an electric vehicle, and only the bracket assembly 200, the battery box 91 and the chassis 92 of the electric vehicle are shown for convenience of description.

As shown in fig. 1 to 4, the present embodiment is a locking device 100. Fig. 4 specifically shows the locking device 100 to fix the battery box 91, and for the sake of understanding, this embodiment is described with reference to fig. 2. The locking device 100 includes a locking mechanism 10, the locking mechanism 10 is used to be connected to the bracket 22 in a reversible manner and cooperate with the bracket 22 to lock the battery box 91 relative to the bracket 22 of the battery box 91. In the present embodiment, the locking mechanism 10 of the locking device 100 is disposed on the bracket 22, and the locking mechanism 10 is turned over, so that the locking mechanism 10 locks or unlocks the battery box 91, thereby facilitating the fixing or replacement of the battery box 91. The locking device 100 of the present embodiment is advantageous for improving the stability of the battery box 91 and improving the reliability of the electrical connection of the battery box 91.

In a preferred embodiment, the locking mechanism 10 includes a connecting assembly 11 and a blocking member 12, the blocking member 12 is pivotably connected to the bracket 22 through a rotating shaft, one end of the connecting assembly 11 is pivotably connected to the bracket 22, and the other end of the connecting assembly 11 is connected to the blocking member 12 and is configured to pivot the blocking member 12 between a first position and a second position. In this embodiment, the connecting assembly 11 and the blocking member 12 are used to facilitate the design of the locking mechanism 10 and to improve the reliability of the locking mechanism 10.

In a preferred embodiment, the first position is a locked position and the second position is an unlocked position. In the embodiment, the first position is designed to be the locking position, the second position is designed to be the unlocking position, and the blocking component 12 is switched between the locking position and the unlocking position, so that the locking and unlocking of the battery box 91 relative to the bracket 22 are realized, and the fixation or replacement of the battery box 91 is facilitated.

In a preferred embodiment, the connecting assembly 11 is a multi-link mechanism 13, the multi-link mechanism 13 includes at least two links 132, one end of the link 132 is connected to the bracket 22, and the other end of the link 132 is connected to the blocking member 12. The present embodiment, which turns over the blocking member 12 by using at least two links 132, is advantageous for simplifying the design of the multi-link mechanism 13, simplifying the design of the locking mechanism 10, and improving the reliability of the locking mechanism 10.

As a preferred embodiment, as shown in fig. 1, the locking mechanism 10 includes a push rod 131 and a link 132, one end of the push rod 131 is swingably connected to the bracket 22, the other end of the push rod 131 has a groove into which the link 132 is inserted for fixing the link 132 to the bracket 22, and the other end of the link 132 is rotatably connected to the blocking member 12. In the present embodiment, the push rod 131 and the link 132 are used to turn over the stopper member 12, which is advantageous for simplifying the design of the multi-link mechanism 13, simplifying the design of the locking mechanism 10, and improving the reliability of the locking mechanism 10. When the blocking component 12 is turned to the locking position, the swinging push rod 131 moves towards the direction close to the blocking component 12, meanwhile, the rotating connecting rod 132 is aligned with the groove on the push rod 131 and inserted into the groove on the push rod 131 to fix the connecting rod 132, when unlocking is needed, the pushing rod 131 is pushed to swing towards the direction far away from the blocking component 12, acting force is applied to the connecting rod 132, and the blocking component 12 is driven to turn towards the unlocking position.

As a specific embodiment, as shown in fig. 1, the blocking member 12 of this embodiment is designed as a door, one end of which is rotatably connected to the bracket 22, and the other end of which is rotatably connected to the connecting assembly 11. The present embodiment connects the door to the bracket 22, which is beneficial to improving the stability of the door and the efficiency of the door rotation. The shaft hole of the door of the present embodiment is connected to the shaft hole of the bracket 22 through a rotating shaft, so that the door can rotate relative to the bracket 22.

In order to improve the stability of the battery box 91, the locking mechanism 10 further comprises a first latch, which is connected to the blocking member 12 and is configured to be inserted into a first latch seat on the battery box 91 when the blocking member 12 is in the first position. The first lock catch is inserted into the first lock seat of the battery box 91 in this embodiment, which is beneficial to improving the stability of the battery box 91 relative to the locking mechanism 10, and is further beneficial to improving the reliability of the locking device 100. The first catch may be as shown in fig. 2 as catch 14. The first lock holder may be a lock holder 15 as shown in fig. 3. First lock seat see fig. 4, and the side of the battery box 92 in fig. 4 is provided with a first lock seat. In other embodiments, the first lock catch and the first lock seat may take different forms. The shackle 14 also has an attachment hole 17, which attachment hole 17 is used to attach the shackle 14 to a locking lever 19.

To further improve the stability of the battery box 91, the locking mechanism 10 further comprises a second locking catch connected to the blocking member 12 for inserting into a second locking seat on the bracket 22 when the blocking member 12 is in the first position. The second lock seat of the second lock catch inserted into the bracket 22 in the embodiment is beneficial to further improving the stability of the battery box 91 relative to the locking mechanism 10, and further beneficial to further improving the reliability of the locking device 100. The secondary catch may be as shown in fig. 2 as catch 14. The second lock housing may be a lock housing 15 as shown in fig. 3. In other embodiments, the second lock catch and the second lock base may take different forms. In order to facilitate the insertion, the first lock catch is provided with a first guide part, and the first guide part is used for guiding the first lock catch to be clamped into the first lock seat. The second lock catch can also be provided with a second guide part which is used for guiding the second lock catch to be clamped into the second lock seat. In the present embodiment, the first guiding portion and the second guiding portion are utilized, so that the first locking device and the second locking device are smoothly inserted into the first locking seat and the second locking seat, respectively. The first and second guiding portions may also be guiding portions 16 as shown in fig. 2, the guiding portions 16 are located at the ends of the lock catch 14, and when the lock catch 14 is inserted into the lock holder 15, the guiding portions 16 first contact the inner side surface of the lock holder 15. The guide portion 16 of the present embodiment is a curved surface provided at the end of the latch 14. In other embodiments, the guide portion 16 may be in other forms, such as: a tip, etc. In other embodiments, the first and second guides may take different forms.

As shown in fig. 3, the inner side surface of the lock holder 15 is also provided with a guide portion 16, and the guide portion 16 is a curved surface extending from the end portion of the lock holder 15 to the inner side surface of the lock holder 15. In other embodiments, the guiding portion 16 of the lock base 15 may also be a slope. Note that, when the lock housing 15 is attached to the side plate 21 or the battery case 91, the guide portion 16 of the lock housing 15 faces the lock catch 14 for allowing the lock catch 14 to smoothly enter the lock housing 15.

In a preferred embodiment, the blocking member 12 further includes a lock lever 19, the lock lever 19 is rotatably connected to a side of the door away from the rotation axis of the blocking member 12, and at least one of the first and second latches is connected to the lock lever 19. In this embodiment, the lock rod 19 is utilized to drive the first lock catch or the second lock catch, which is beneficial to improving the efficiency of inserting the first lock catch and the second lock catch into the first lock seat and the second lock seat respectively.

In a preferred embodiment, the connecting assembly 11 is rotatably connected to the locking lever 19. This embodiment utilizes coupling assembling 11 to drive locking lever 19 to realized blockking component 12's upset through locking lever 19, also realized simultaneously that first hasp and second hasp insert respectively or pull out first lock seat and second lock seat, be favorable to improving the efficiency of battery box 91 locking and unblock.

In a specific embodiment, the plurality of side plates 21 are joined to form a frame of the battery box 91, and the locking device 100 is disposed at an entrance of the frame. The push rod 131 of the connecting assembly 11 is disposed on the side wall of the side plate 21, and the blocking member 12 is disposed at the entrance of the carrying frame through the rotation shaft. The upper end of the blocking component 12 is provided with a lock rod 19, and one end of the lock rod 19 is inserted through the connecting rod 132 of the connecting component 11. The lock bar 19 is provided with a lock catch 14 in a penetrating way, and the lock catch 14 can rotate around the lock bar 19. The lock bracket 15 is provided on the side plate 21 or the battery case 91. By rotating the push rod 131, the push rod 131 drives the connecting rod 132, and the connecting rod 132 pushes the lock rod 19, so that the blocking component 12 is turned over, and the blocking component 12 locks or unlocks the battery box 91. After the blocking member 12 is turned upward against the battery box 91, the locking buckle 14 may be inserted into the locking seat 15, thereby further improving the stability of the battery box 91.

As another preferred embodiment, as shown in fig. 4, there is another locking device 100, and the locking device 100 in this figure is substantially the same as the locking device 100 in fig. 1, except that: in this figure, the connecting rod 132 can slide relative to the push rod 131, the other end of the connecting rod 132 is fixedly connected with the lock rod 19, and the lock catch 14 is fixedly arranged on the lock rod 19. The locking lever 19 is rotatably connected to the blocking member 12.

In fig. 4, an elastic member 18 is further provided, one end of the elastic member 18 is connected to the side plate 21, and the other end of the elastic member 18 is connected to the push rod 131. The elastic member 18 is used to apply an urging force to the push rod 131 to swing the push rod 131 in a direction to approach the link 132. The push rod 131 can also catch the link 132 to prevent the link 132 from rotating when the locking device 100 is in the locked state. The link 132 can rotate freely only when the push rod 131 is pushed away, i.e. the push rod 131 swings away from the link 132. Specifically, a slot and a latch structure may be disposed between the push rod 131 and the connecting rod 132. The elastic member 18 of the present embodiment is a spring, and in other embodiments, the elastic member 18 may be designed to swing in other directions to enable the push rod 131 to approach the connecting rod 132.

The locking device 100 in fig. 4 is in a locking state, when the locking device 100 needs to be switched to an unlocking state, the swing rod 131 is pushed, the swing rod 131 is far away from the connecting rod 132, the connecting rod 132 is pushed anticlockwise, the lock rod 19 rotates along with the connecting rod 132 synchronously, so that the lock catch 14 is driven to rotate anticlockwise, the guide portion 16 of the lock catch 14 is further abutted against the side plate 21 or the battery box 91, the side plate 21 or the battery box 91 exerts a reaction force on the lock catch 14, the reaction force is transmitted to the blocking component 12 through the lock catch 14, so that the blocking component 12 is turned clockwise relative to a shaft hole at the bottom, the upper end of the blocking component 12 is far away from the side plate 21 or the battery box 91, and the locking device 100 is. In the process, the link 132 slides with respect to the push rod 131.

To switch the locking device 100 of fig. 4 to the locked state, the guide portion 16 of the shackle 14 is first moved to the entrance of the lock housing 15, i.e., the lower port of the lock housing 15. Then, the link 132 is rotated clockwise, the guide portion 16 of the latch 14 abuts against the inner side wall of the latch seat 15, the inner side wall of the latch seat 15 applies a reaction force to the latch 14, the reaction force is transmitted to the blocking member 12 through the latch, so that the blocking member 12 is turned counterclockwise relative to the shaft hole of the bottom, the upper end of the blocking member 12 is close to the side plate 21 or the battery box 91, and the locking device 100 is switched to the locking state. In the process, the link 132 slides with respect to the push rod 131. When the locking device 100 is switched to the locking state, the swinging rod 131 tightly catches the link 132 under the pushing of the elastic member 18, so as to prevent the link 132 from rotating.

In addition, since the length of the link 132 is greater than the length of the shackle 14, i.e., the moment arm formed by the link 132 to the blocking member 12 is greater than the moment arm formed by the shackle 14 to the blocking member 12, i.e., the link 132 forms a lever that applies force to the shackle 14. Therefore, the push rod 131 only needs to apply a small force to the connecting rod 132, and after amplification by the force lever, the lock catch 14 can be tightly locked in the lock seat 15. The locking device 100 of the present embodiment realizes the locking of the locking device 100 itself on the premise of realizing the locking of the battery box 91, and further improves the reliability of the locking device 100.

As shown in fig. 5, the present embodiment is a bracket assembly 200, which includes the above-mentioned locking device 100. The locking device 100 is disposed in the bracket assembly 200, which is beneficial to improving the stability of the battery box 91 on the bracket 22 and improving the reliability of the electrical connection of the battery box 91.

Preferably, the bracket assembly 200 further comprises a limiting mechanism for fixing the movement of the locking mechanism 10 relative to the bracket 22 when the battery box 91 is in the locked state, so as to limit the movement of the battery box 91 on the bracket 22. This embodiment utilizes fixed locking mechanism 10 of stop gear, is favorable to avoiding locking mechanism 10 to remove by accident, is favorable to avoiding battery box 91 to remove by accident, is favorable to improving locking mechanism 10's steadiness, is favorable to improving the reliability of bracket assembly 200.

In order to improve the reliability of the bracket assembly 200, the limiting mechanism includes a lock tongue, and the lock mechanism 10 has a lock groove, and the lock tongue can extend into the lock groove or retract out of the lock groove. In the embodiment, the lock mechanism is designed as a lock tongue and a corresponding lock groove, and the lock tongue and the lock groove interact with each other, so that the locking mechanism 10 is fixed. The design form of the lock mechanism is facilitated to be simplified, and the reliability of the lock mechanism is facilitated to be improved.

In a preferred embodiment, the bracket assembly 200 further includes a limiting block disposed in the bracket 22 on the moving path of the locking mechanism 10, and the limiting block is used to limit the moving limit position of the locking mechanism 10 during locking or unlocking. This embodiment utilizes the extreme position of stopper restriction locking mechanism 10, avoids locking mechanism 10 and battery box 91's rotation angle too big, is favorable to avoiding locking mechanism 10 to support to lean on battery box 91's dynamics too big, is favorable to improving locking battery box 91's reliability, also is favorable to shortening locking mechanism 10 locking battery box 91's stroke, is favorable to improving locking mechanism 10 locking battery box 91's efficiency. Specifically, a stopper may be disposed on the side plate 21 for limiting the movement of the connecting rod 132 to prevent the connecting rod 132 from rotating at an excessively large angle.

In a preferred embodiment, the carriage assembly 200 further includes a driving mechanism for driving the movement of the locking mechanism 10. In the embodiment, the driving mechanism is used to move the locking mechanism 10, which is beneficial to simplifying the locking process of the battery box 91 and improving the locking efficiency of the battery box 91. In this embodiment, the driving mechanism may be a hydraulic transmission assembly, a cylinder assembly, etc., wherein a hydraulic rod of the hydraulic transmission assembly or a piston of the cylinder assembly drives the connecting member 11 or the blocking member 12 to move.

In other embodiments, the driving mechanism may be a lifting mechanism for pushing the locking mechanism 10 to lock the battery box 91 on the bracket 22.

In order to improve the automation level of the bracket assembly 200, the bracket assembly 200 further comprises a first sensor for detecting the specific position of the battery box 91, when the battery box 91 is in the locked position, the first sensor will send a lock-in signal to the electric vehicle, the electric vehicle will be used for detecting the specific position of the battery box 91, and the output end of the first sensor is electrically connected to the driving mechanism. The embodiment utilizes the first sensor to detect the specific position of the battery box 91, and electrically connects the output end of the first sensor to the driving mechanism, thereby being beneficial to improving the mounting precision and reliability of the battery box 91 and improving the mounting automation level of the battery box 91. The first sensor may be an infrared sensor, a laser sensor, a photoelectric sensor, etc., and may be used in the present embodiment.

As a specific embodiment, the first sensor may be electrically connected to the driving mechanism, and when the battery box 91 is mounted to the bracket 22, the first sensor is used to send an activation signal to the driving mechanism, and when the driving mechanism receives the activation signal, the driving mechanism is used to drive the locking mechanism 10 to move away from or close to the battery box 91, so that the locking mechanism 10 abuts against the side surface of the battery box 91, thereby achieving the locking of the battery box 91.

To further increase the automation level of the carriage assembly 200, the carriage assembly 200 further includes a second sensor for detecting the locking state of the locking mechanism 10. The present embodiment uses the second sensor to detect the state of the locking mechanism 10, which is advantageous for improving the reliability of locking the battery box 91. The second sensor may be an infrared sensor, a laser sensor, a photoelectric sensor, etc., and may be used in the present embodiment.

As a specific embodiment, when the battery box 91 is mounted to the body of the bracket 22, the second sensor is used for sending a position signal to the locking mechanism 10, and after the locking mechanism 10 receives the position signal, the locking mechanism 10 stops, and the locking mechanism 10 abuts against the battery box 91, so that the battery box 91 is locked on the bracket 22. In other embodiments, a monitoring point of a second sensor may be further disposed on the locking mechanism 10, the second sensor is disposed on the driving mechanism or the bracket 22, when the locking mechanism 10 moves to the preset position, that is, when the monitoring point reaches the preset position, the second sensor senses the monitoring point, the second sensor is configured to send a stop signal to the driving mechanism, after the driving mechanism receives the stop signal, the driving mechanism stops, and the locking mechanism 10 correspondingly stops moving, so as to lock the battery box 91.

In a preferred embodiment, the carriage assembly 200 further comprises a driving member, one end of which is connected to the locking mechanism 10, and the other end of which is located on the moving path of the battery box 91 on the carriage 22; the battery box 91 is installed into the bracket 22 from the outside of the bracket 22, and the battery box 91 will press the driving member and move the locking mechanism 10 to lock the battery box 91 on the bracket 22. In this embodiment, the driving member is used to convert the movement of the battery box 91 into the movement of the locking mechanism 10, so that the battery box 91 is installed, and the locking of the battery box 91 by the locking mechanism 10 is also realized, which is beneficial to simplifying the locking process of the battery box 91 and improving the installation efficiency of the battery box 91.

In a preferred embodiment, the driving member is connected to the rotating shaft of the locking mechanism 10 for driving the rotating shaft to rotate so as to drive the locking mechanism 10 to rotate. The driving piece is utilized to drive the rotating shaft in the embodiment, so that the locking mechanism 10 is driven to rotate, the locking of the battery box 91 is realized, the process of locking the battery box 91 is simplified, and the efficiency of installing the battery box 91 is improved.

As shown in fig. 6, an electric vehicle includes the bracket assembly 200 as above. The electric automobile comprises a chassis 92, and a bracket assembly 200 is arranged on a longitudinal beam of the chassis 92. Specifically, the chassis 33 includes two longitudinal beams, a left longitudinal beam and a right longitudinal beam, and the two longitudinal beams are respectively provided with the bracket assembly 200. In this embodiment, the bracket assembly 200 is disposed in the electric vehicle, which is beneficial to improving the safety and reliability of the battery box 91 of the electric vehicle, and is further beneficial to improving the safety and reliability of the electric vehicle.

A locking method of a battery box uses the locking device 100. Placing the battery box 91 in a first locked position on the bracket 22; controlling the locking mechanism 10 to turn to the locking position to close the passage of the battery box 91 into and out of the bracket 22; the lock mechanism 10 is controlled to be turned to the lock position to lock the battery case 91 to the bracket 22. The present embodiment is advantageous in that the locking or unlocking of the battery box 91 on the bracket 22 is realized by moving the locking mechanism 10 of the locking device 100 in a direction approaching or separating from the battery box 91, which is advantageous in improving the stability of the battery box 91 and the reliability of the electrical connection of the battery box 91.

The locking method of the battery box specifically comprises the following steps:

the battery box 91 is placed in a first locked position on the bracket 22. The battery box 91 is placed on the carriage 22 by a battery box pick and place mechanism.

The lock mechanism 10 is controlled to flip to the lock position to close the passage of the battery case 91 into and out of the bracket 22. The blocking member 12 is pivoted upwardly to the locked position by the lift or the power switching device to block the passage of the battery box 91 into the bracket 22.

Controlling the locking mechanism 10 to turn to the locking position to lock the battery box 91 on the bracket 22, further includes the following steps:

the control link 132 rotates to rotate the shackle 14 into the lock housing 15. The link 132 is rotated in a first direction and the shackle 14 on the blocking member 12 is rotated in the first direction to snap into the lock receptacle 15.

The driving rod 131 moves toward the blocking member 12 and engages with the connecting rod 132. The driving mechanism drives the push rod 131 to move towards the direction close to the blocking component 12, so that the groove on the push rod 131 is aligned with the end of the connecting rod 132 and clamped with the connecting rod 132 to fix the connecting rod 132 and further fix the blocking component 12, and the blocking component 12 is prevented from being turned towards the unlocking position.

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. A locking device is characterized by comprising a locking mechanism, wherein the locking mechanism is used for being connected to a bracket in a turnover mode and matched with the bracket to achieve locking of a battery box relative to the bracket of the battery box.

2. The locking device of claim 1, wherein the locking mechanism includes a connecting member and a blocking member, the blocking member is pivotally connected to the bracket via a pivot, one end of the connecting member is pivotally connected to the bracket, and the other end of the connecting member is connected to the blocking member and is configured to pivot the blocking member between the first position and the second position.

3. The locking device of claim 2, wherein the first position is a locked position and the second position is an unlocked position.

4. The lock-out mechanism of claim 2, wherein the coupling assembly is a multi-link mechanism including at least two links, one end of the link being coupled to the bracket and the other end of the link being coupled to the blocking member.

5. The lock-out mechanism of claim 2, wherein the lock-out mechanism includes a push rod and a link, one end of the push rod is swingably connected to the bracket, the other end of the push rod is rotatably connected to one end of the link, and the other end of the link is rotatably connected to the blocking member.

6. The latch of claim 2, wherein said blocking member comprises a door, one end of said door being pivotally coupled to said bracket and the other end of said door being pivotally coupled to said coupling assembly.

7. The locking mechanism of claim 6, further comprising a first latch coupled to the blocking member for insertion into a first latch seat on the battery compartment when the blocking member is in the first position.

8. The locking mechanism of claim 7, further comprising a secondary catch coupled to the blocking member for insertion into a secondary lock receptacle on the carriage when the blocking member is in the first position.

9. The locking device of claim 8, wherein the first locking catch is provided with a first guide portion for guiding the first locking catch to be locked into the first locking seat;

and/or the second lock catch is provided with a second guide part, and the second guide part is used for guiding the second lock catch to be clamped into the second lock seat.

10. The locking device of claim 8, wherein the blocking member further comprises a locking bar connected to a side of the door away from the rotation axis of the blocking member, and the first locking catch and/or the second locking catch are connected to the locking bar.

11. The locking device of claim 10, wherein the coupling assembly is rotatably coupled to the locking lever;

or, the connecting component is fixedly connected to the lock rod.

12. A carrier assembly characterised in that it includes a locking device as claimed in any one of claims 1 to 11.

13. The tray assembly of claim 12, further comprising a limiting mechanism for fixing movement of the locking mechanism relative to the tray when the battery box is in the locked state to limit movement of the battery box on the tray.

14. The tray assembly of claim 13, wherein the retaining mechanism comprises a locking tongue, and the locking mechanism has a locking groove, and the locking tongue can extend into the locking groove or retract out of the locking groove.

15. The tray assembly of claim 12, further comprising a stopper disposed in a moving path of the locking mechanism in the tray, the stopper defining a movement limit position of the locking mechanism during locking or unlocking.

16. The tray assembly of claim 12, further comprising a drive mechanism for driving movement of the locking mechanism.

17. The tray assembly of claim 16, further comprising a first sensor for detecting a specific position of the battery box, wherein an output of the first sensor is electrically connected to the drive mechanism.

18. The tray assembly of claim 16, further comprising a second sensor for detecting a locked state of the locking mechanism.

19. The tray assembly of claim 12, further comprising an actuating member, one end of the actuating member being connected to the latching mechanism and the other end of the actuating member being positioned in the path of movement of the battery compartment on the tray;

the battery box is installed in the bracket from the outside of the bracket, and the battery box can extrude the driving piece and drive the locking mechanism to move so as to realize the locking of the battery box on the bracket.

20. The tray assembly of claim 19, wherein said driving member is coupled to said rotational shaft of said locking mechanism for driving said rotational shaft to rotate said locking mechanism.

21. An electric vehicle comprising a bracket assembly as claimed in any one of claims 12 to 20.