CN218750265U

CN218750265U - electric vehicle

Info

Publication number: CN218750265U
Application number: CN202221841172.8U
Authority: CN
Inventors: 张建平; 黎明; 仇丹梁
Original assignee: Aulton New Energy Automotive Technology Co Ltd; Shanghai Dianba New Energy Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd; Shanghai Dianba New Energy Technology Co Ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-03-28
Anticipated expiration: 2032-07-15

Abstract

The utility model provides an electric vehicle, electric vehicle includes automobile body, quick change support and a plurality of battery package, the quick change support is connected on the roof beam of automobile body, the quick change support forms a plurality of battery package accommodation areas along the width direction of automobile body, be equipped with locking mechanism in each battery package accommodation area; the battery pack comprises a plurality of battery packs, each battery pack is provided with a locking piece, the locking pieces are detachably connected with the locking mechanisms, the battery packs are respectively connected to the corresponding battery pack accommodating areas through the locking pieces independently, and the battery packs are arranged side by side in the width direction of the vehicle body. The electric vehicle in the utility model is provided with a plurality of battery packs through a plurality of battery pack accommodating areas, and each independent battery pack has smaller relative volume and weight, is convenient to install and is beneficial to the standardization of the battery pack; and large-scale transportation equipment is not needed to transport the battery pack after the box separation, so that the requirement on the power exchange equipment is lowered.

Description

Electric vehicle

Technical Field

The utility model relates to an electric vehicle.

Background

The conventional battery pack arrangement mode of the electric vehicle is generally divided into a fixed type and a quick-change type, wherein the fixed type battery is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The quick-change battery pack is generally fixed to a bracket of the vehicle by means of a movable mounting. The battery pack can be removed to perform a replacement or charging operation on the battery box alone. And after the replaced battery pack is charged, the battery pack is installed on the vehicle again.

For the quick-change battery pack, the whole battery pack is large and heavy, and the replacement difficulty is large. Particularly, for a large vehicle, such as a heavy truck, the vehicle body and the cargo carrying weight are heavy, so that the capacity requirement of the large vehicle on the battery pack is high, and the large vehicle can only be supported to run for hundreds of kilometers by using electric energy with enough large capacity.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide an electric vehicle in order to overcome the great defect of the degree of difficulty of changing monoblock battery package among the prior art.

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

the utility model provides an electric vehicle, electric vehicle includes:

a vehicle body;

the quick-change support is connected to a vehicle beam of the vehicle body, a plurality of battery pack accommodating areas are formed in the quick-change support along the width direction of the vehicle body, and a locking mechanism is arranged in each battery pack accommodating area;

the battery pack comprises a plurality of battery packs, each battery pack is provided with a locking piece, the locking pieces are detachably connected with the locking mechanisms, the battery packs are respectively connected to the corresponding battery pack accommodating areas through the locking pieces independently, and the battery packs are arranged side by side in the width direction of the vehicle body.

In this scheme, adopt above-mentioned structural style, receive the district through a plurality of batteries and install a plurality of battery package respectively, a plurality of battery package are arranged side by side through the width direction of quick change support along automobile body respectively and are fixed on electric vehicle's automobile body, realize the battery package and divide the case design. On the first hand, compared with a whole large battery pack in the traditional design, the battery pack has smaller relative volume and weight under the condition that the electric vehicle needs the same capacity, is convenient to install and is beneficial to the standardization of the battery pack; in the second aspect, after the battery packs are placed in the boxes, different numbers of battery packs can be installed in a matched manner according to the power consumption required by the electric vehicle, and the compatibility is strong; the third aspect, battery package box setting is compared in transportation monoblock battery package, and each independent battery package need not to adopt the battery package after large-scale transportation equipment in order to transport the box, has reduced the requirement to the power conversion equipment. In addition, a plurality of battery packages are arranged along the width direction of the vehicle body, the structure arrangement is compact, the battery packages can be better arranged by utilizing the space between the vehicle body and the vehicle beams and the space on two sides of the vehicle body, the installation space is saved, the locking mechanism can be better arranged in the length direction of the vehicle body, the bearing stability of the battery packages is facilitated, and convenience is provided for simultaneously replacing the batteries on two sides.

Preferably, the locking mechanisms are distributed on at least one side of the battery pack accommodating area along the length and/or width direction of the vehicle body;

and along the length and/or width direction of the vehicle body, the side wall of the battery pack is provided with the locking piece matched with the locking mechanism.

In this scheme, adopt above-mentioned structural style, locking mechanism is located the battery package and holds at least one side of district, and correspondingly, the lock piece is located the lateral wall of battery package, and spatial layout is reasonable to the in-process that the battery package got into the battery package and holds the district realizes being connected of lock piece and locking mechanism.

Preferably, at least two locking mechanisms are arranged on at least one side of the battery pack accommodating area along the width and/or length direction of the vehicle body, and the at least two locking mechanisms are arranged at intervals along the length and/or width direction of the vehicle body.

In this scheme, adopt above-mentioned structural style, in the one side of battery package holding area, set up a plurality of locking points between battery package and the battery package holding area, fix the battery package in the battery package holding area through a plurality of locking mechanism to improve reliability and stability of battery package locking in quick change support.

Preferably, the locking piece is positioned in the middle or the lower area of the battery pack along the height direction of the battery pack.

In this scheme, adopt above-mentioned structural style, through the locking piece realization that is located battery package middle part or below the region in middle part with locking mechanism be connected, the tie point is located battery package middle part or below the region in middle part, reduces the region that the battery package needs unsettled setting, and locking stability is high.

Preferably, along the height direction of the vehicle body, the battery pack is located at the bottom of the vehicle beam, or the battery pack is partially higher than the lower surface of the vehicle beam.

In this scheme, adopt above-mentioned structural style, set up the installation space of battery package in car roof beam bottom, make full use of car roof beam below space is favorable to improving the spatial layout rationality. The battery pack part is higher than the lower surface of the vehicle beam, so that the space utilization rate is effectively improved, the ground clearance of the lower surface of the battery pack is increased, and the battery replacing equipment can conveniently enter and exit from the bottom of the battery pack.

Preferably, part of the battery pack is positioned on two sides of the vehicle beam and/or part of the battery pack is positioned between the two vehicle beams.

In this scheme, adopt above-mentioned structural style, partial battery package is installed to car roof beam both sides to improve the equilibrium of car roof beam, thereby be favorable to improving electric vehicle at its stability of the in-process of traveling. And a part of battery pack is arranged between the two vehicle beams, so that the space between the two vehicle beams is fully utilized, and the spatial layout is reasonable.

Preferably, the quick-change support comprises a plurality of sub-supports, each sub-support comprises a first cross beam and a first longitudinal beam, the first cross beam is arranged along the width direction of the vehicle body, the first longitudinal beams are arranged along the length direction of the vehicle body, the first cross beams and the first longitudinal beams are sequentially connected end to form the battery pack accommodating area, and the first longitudinal beams face one side of the battery pack accommodating area and are provided with the locking mechanisms.

In this scheme, adopt above-mentioned structural style, first aspect, first crossbeam and first longeron end to end connection form frame construction in proper order, are favorable to improving the intensity of sub-bracket. In the second aspect, the space formed by connecting the first cross beam and the first longitudinal beam sequentially from end to end is used as a battery pack accommodating area, and the space layout is reasonable. In the third aspect, the damage of the independent sub-bracket does not influence the use of other sub-brackets, the whole quick-change bracket does not need to be replaced, the cost is saved, and the replaceability of parts is high; in addition, the sub-supports are respectively processed, so that the processing is convenient. In the fourth aspect, the locking mechanism is arranged on one side, close to the battery pack accommodating area, of the first longitudinal beam, and the space layout is reasonable, so that the battery pack can enter the battery pack accommodating area, and the locking piece and the locking mechanism are connected.

Preferably, the number of the sub-brackets is not less than two, at least two of the sub-brackets are respectively located at least partially on the outer side of the vehicle beam, the battery pack accommodating area is formed between two adjacent sub-brackets, and the locking mechanisms are respectively arranged on the outer sides of two adjacent first longitudinal beams on the two sub-brackets.

In this scheme, adopt above-mentioned structural style, regard as the battery package to hold the district with the space between two adjacent sub-supports, spatial layout is reasonable, save material. The outer sides of two adjacent first longitudinal beams in the two sub-supports are respectively provided with a locking mechanism, so that the two sides of a battery pack containing area formed between the two adjacent sub-supports are respectively provided with the locking mechanisms, the feasibility of locking the battery pack in the battery pack containing area is realized, and the two sides of the battery pack can be connected with the battery pack containing area to improve the balance.

Preferably, the number of the sub-brackets is not less than three, part of the sub-brackets are located between the two vehicle beams, and part of the sub-brackets are located at least partially on the outer sides of the corresponding vehicle beams.

In this scheme, adopt above-mentioned structural style, be no less than three sub-supports and be located respectively between two car roof beams and the car roof beam outside, realize the make full use of the space of car roof beam bottom and car roof beam both sides, space utilization is high.

Preferably, the quick-change bracket comprises a mounting beam, and at least part of the sub-bracket is connected to the vehicle beam through the mounting beam.

In this scheme, adopt above-mentioned structural style, realize being connected of sub-bracket and car roof beam through the installation roof beam, ensure that the sub-bracket installation is reliable and stable.

Preferably, the quick-change bracket comprises a bracket body and a partition, the partition is connected to the bracket body and divides the bracket body to form at least two battery pack accommodating areas, and the locking mechanism is arranged on at least one side of the partition along the width direction of the vehicle body.

In this scheme, adopt above-mentioned structural style, separate into two at least battery package through the separator with the inside region of support body and hold the district in order to form two at least independent battery packages and hold the district, the support body adopts monolithic structure, and structural strength is high and does benefit to and saves installation space.

Preferably, the bracket body includes a second cross member and a mounting beam, the mounting beam is connected to the vehicle beam, the second cross member is disposed along the width direction of the vehicle body, the second cross member is connected to both ends of the mounting beam, and both ends of the partition are respectively connected to the second cross member.

In this scheme, adopt above-mentioned structural style, through the connection between installation Liang Shixian second crossbeam and the car roof beam, the second crossbeam is connected in the both ends of installation roof beam, strengthens the connection between second crossbeam and the installation roof beam. In addition, the second crossbeam is connected respectively at the both ends of separator, and the connection effect is stable, avoids breaking away from of separator.

Preferably, the support body further comprises a second longitudinal beam, the second longitudinal beam is arranged along the length direction of the vehicle body, the second longitudinal beam and the second cross beam are sequentially connected end to end, and the second longitudinal beam faces the side wall on one side of the partition and is provided with the locking mechanism.

In this scheme, adopt above-mentioned structural style, second longeron and second crossbeam end to end connection in proper order are in order to form frame construction, improve the intensity of support body. In addition, one side of the second longitudinal beam facing the partition is also provided with a locking mechanism, so that the two sides of the battery pack are locked with the locking mechanism, and the reliability of connection between the battery pack and the quick-change bracket is further improved.

Preferably, the mounting beam is attached to the top, side or bottom of the vehicle beam.

In this scheme, adopt above-mentioned structural style, the installation of installation roof beam is realized to the space of make full use of top, lateral part or the bottom of car roof beam, is favorable to improving the space layout rationality.

Preferably, the quick-change bracket comprises two sets of sub-brackets arranged at intervals along the width direction of the vehicle body, at least one side of each sub-bracket forms the battery pack accommodating area, each sub-bracket comprises a plurality of segmented beams arranged at intervals along the length direction of the vehicle body, the segmented beams are connected to the vehicle beam, and at least outer side walls of the segmented beams are provided with the locking mechanisms.

In this scheme, adopt above-mentioned structural style, can increase or reduce the quantity of feeder pillar according to actual need, the flexibility ratio is high, also is convenient for improve the stability of battery package installation.

Preferably, each segmented beam is provided with a connecting plate connected to the car beam, and the connecting plate and the locking mechanism are arranged in a staggered mode.

In the scheme, the connecting plates are respectively arranged on each segmented beam by adopting the structural form, so that the stable connection between a single segmented beam and the vehicle beam is realized, and the required materials of the connecting plates are saved.

Preferably, the quick-change bracket comprises two fixing beams arranged at intervals along the width direction of the vehicle body, the fixing beams are connected to the vehicle beam, at least one side of each fixing beam forms the battery pack accommodating area, and at least the outer side wall of each fixing beam is provided with the locking mechanism.

In this scheme, adopt above-mentioned structural style, the installation of battery package can be realized to the fixed beam, can realize quick change support and electric vehicle's connection again, simple structure, and the operation of being convenient for does benefit to practice thrift the cost and is favorable to improving assembly efficiency.

Preferably, the quick-change support further comprises a vehicle-end connector and a mounting component, a mounting component is arranged in the battery pack accommodating area respectively, the mounting component is connected to the quick-change support, and the vehicle-end connector is arranged on the mounting component.

In this scheme, adopt above-mentioned structural style, hold the district through every battery package and set up the vehicle end connector, each battery package of being convenient for realizes independently supplying power to electric vehicle to satisfy the branch case demand. The car end connector is connected on the quick change support through connecting at the installation component, connects reliable and stable, and the installation component can utilize the idle region in the battery package holds the district to realize the installation, can avoid taking place the installation with locking mechanism and interfere, can reserve out installation space for the car end connector, avoids taking other spaces, is favorable to improving the spatial layout rationality.

Preferably, the mounting assembly comprises a mounting rod and a mounting block, the mounting rod is connected to the side wall of the mounting block and mounted on the quick-change bracket, and the mounting block is used for mounting the vehicle-end connector;

or, the installation component includes the mounting panel, the mounting panel connect in the quick change support, the end connector set up in on the mounting panel.

In this scheme, adopt above-mentioned structural style for the installation piece of installation vehicle-end connector is fixed on the quick change support through the installation member, compares in the length through increasing the installation piece, makes the both ends of installation piece can direct mount in quick change support, save material's use. The mounting plate lug connection of installation vehicle end connector is in quick change support, is favorable to improving assembly efficiency, also is convenient for the processing of part.

Preferably, a first limiting mechanism is further arranged on the quick-change support and is used for being matched with a first limiting part at the top of the battery pack so as to position the battery pack.

In this scheme, adopt above-mentioned structural style, realize the location between battery package and the quick change support through first stop gear and first spacing portion to play the guide effect when the battery package is installed to the quick change support in, with the installation accuracy who mentions the battery package and get into in the battery package accommodation area, improve the installation effectiveness of battery package. Simultaneously, after the battery package is installed to the quick change support, the first stop gear and the first spacing portion of mutually supporting can carry on spacingly to the battery package, avoid the battery package to take place to rock at the vehicle in-process that traveles.

Preferably, the battery pack accommodating area is provided with second limiting mechanisms at the peripheral sides thereof, the side wall of the battery pack is provided with second limiting parts matched with the second limiting mechanisms, one of the second limiting mechanisms and the second limiting parts is a limiting seat, the other one of the second limiting mechanisms and the second limiting parts is a limiting bulge, an elastic sheet is arranged on the limiting seat, and the limiting bulge is abutted to the elastic sheet.

In this scheme, adopt above-mentioned structural style, spacing seat provides installation space for the flexure strip, and the flexure strip is used for preventing the rigidity collision between battery package and the quick change support, realizes elastic buffer, through flexure strip and spacing protruding cooperation, restricts the displacement of battery package in the battery package accommodation area, prevents that the battery package from damaging.

Preferably, the quick-change bracket further comprises a protection plate, and the protection plate covers the top of the battery pack.

In this scheme, adopt above-mentioned structural style, the top of battery package covers has the protection shield, reduces debris such as dust, rainwater and gets into battery package and holds the district to avoid causing the influence to the performance of battery package.

Preferably, a buffer pad is arranged on one side of the protection plate facing the top of the battery pack, and/or an avoiding part is arranged on one side of the protection plate facing the top of the battery pack.

In this scheme, adopt above-mentioned structural style, set up the blotter and can prevent that the battery package from scraping the battery package surface when removing, play the effect of protection battery package, also can reduce rocking of battery package. In addition, the vehicle end connector can be installed on the protection plate, a gap is formed between the battery pack and the protection plate in a region except for the connection position of the vehicle end connector, the buffer pad is arranged to compensate the gap, and the load is uniformly distributed. In addition, the avoiding part is arranged in the protection plate, so that the wiring is convenient, the vehicle end connector can be installed in the avoiding part, the space layout is reasonable, and the contact interference between the vehicle end connector and the protection plate is avoided.

Preferably, the locking mechanism comprises a locking bracket provided with a channel extending along the gravity direction, and further comprises a first locking part and a second locking part, wherein the first locking part is rotatably mounted on the locking bracket;

the first locking part is configured to prevent the lock piece positioned in the channel from moving downwards to lock the lock piece when the first locking part rotates to the locking position;

the second lock portion is configured to prevent the first lock portion from rotating when the first lock portion rotates to the lock position, so that the first lock portion is held at the lock position.

In this scheme, adopt above-mentioned structural style, the locking piece is through getting into locking mechanism from bottom to top along the passageway that the direction of gravity extends, rotates to the locking position through first locking, realizes the locking to the locking piece, when first locking portion realized the locking to the locking piece, second locking portion carries on spacingly to first locking portion, the locking is convenient, reliable, be favorable to promoting the efficiency of battery package installation and dismantlement, do benefit to the quick replacement that realizes the battery package.

Preferably, the electric vehicle is an electric truck.

In this scheme, adopt above-mentioned structural style, as large-scale electric vehicle's electric truck, owing to the capacity demand to the battery package is higher, with battery package vanning setting back, conveniently change the battery package, laborsaving when changing the battery package.

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

the utility model provides an electric vehicle contains through a plurality of batteries and receives the district and install a plurality of battery package respectively, and a plurality of battery packages are arranged side by side through the width direction of quick change support along the automobile body respectively and are fixed on electric vehicle's automobile body, realize the battery package and divide the case design. On the first hand, compared with a whole large battery pack in the traditional design, the battery pack has smaller relative volume and weight under the condition that the electric vehicle needs the same capacity, is convenient to install and is beneficial to the standardization of the battery pack; in the second aspect, after the battery packs are placed in the boxes, different numbers of battery packs can be installed in a matched manner according to the power consumption required by the electric vehicle, and the compatibility is strong; the third aspect, battery package vanning setting compares in the transportation monoblock battery package, and each independent battery package need not to adopt the battery package after large-scale transportation equipment in order to transport the vanning, reduces the requirement to the power change equipment. In addition, a plurality of battery packages are arranged along the width direction of the vehicle body, the structure arrangement is compact, the battery packages can be better arranged by utilizing the space between the vehicle body and the vehicle beams and the space on two sides of the vehicle body, the installation space is saved, the locking mechanism can be better arranged in the length direction of the vehicle body, the bearing stability of the battery packages is facilitated, and convenience is provided for simultaneously replacing the batteries on two sides.

Drawings

Fig. 1 is a schematic structural view of a quick-change bracket according to embodiment 1 of the present invention.

Fig. 2 is an assembly schematic diagram of the quick-change bracket and the battery pack according to embodiment 1 of the present invention.

Fig. 3 is an installation schematic diagram of the quick-change bracket according to embodiment 1 of the present invention.

Fig. 4 is a schematic structural view of an electric vehicle according to embodiment 1 of the present invention.

Fig. 5 is a schematic structural view of a battery pack according to embodiment 1 of the present invention.

Fig. 6 is a schematic structural view of a locking mechanism according to embodiment 1 of the present invention.

Fig. 7 is a schematic view of the second limiting mechanism and the second limiting portion according to embodiment 1 of the present invention.

Fig. 8 is a schematic structural view of a quick-change bracket according to embodiment 2 of the present invention.

Fig. 9 is an assembly schematic diagram of the quick-change holder and the battery pack according to embodiment 2 of the present invention.

Fig. 10 is an installation schematic diagram of a quick-change bracket according to embodiment 2 of the present invention.

Fig. 11 is a schematic structural view of an electric vehicle according to embodiment 2 of the present invention.

Fig. 12 is a schematic structural view of a quick-change holder according to embodiment 3 of the present invention.

Fig. 13 is an assembly diagram of a quick-change holder and a battery pack according to embodiment 3 of the present invention.

Fig. 14 is an installation diagram of a quick-change bracket according to embodiment 3 of the present invention.

Fig. 15 is a schematic structural view of an electric vehicle according to embodiment 3 of the present invention.

Fig. 16 is a schematic structural view of a quick-change holder according to embodiment 4 of the present invention.

Fig. 17 is an assembly diagram of a quick-change holder and a battery pack according to embodiment 4 of the present invention.

Fig. 18 is an installation diagram of a quick-change bracket according to embodiment 4 of the present invention.

Fig. 19 is a schematic structural view of an electric vehicle according to embodiment 4 of the present invention.

Description of reference numerals:

vehicle body 1

Vehicle beam 11

Quick-change bracket 2

Battery pack accommodating area 21

Locking mechanism 211

Locking bracket 2111

Channel 21111

The first locking portion 2112

The second locking portion 2113

Sub-mount 22

First beam 221

First stringer 222

Mounting beam 23

First mounting plate 231

Second mounting plate 232

Dodging port 2321

Reinforcing rib 233

Bracket body 24

Second beam 241

Second longitudinal beam 242

Separator 25

Branch stand 26

Segmented beam 261

Connecting plate 262

Vehicle end connector 27

Mounting assembly 28

Mounting rod 281

Mounting block 282

First limiting mechanism 3

Guide surface 31

Second limiting mechanism 4

Spacing protrusion 41

Battery pack 5

Locking piece 51

First stopper 52

The second limiting portion 53

Limiting seat 531

Elastic sheet 5311

Guide inclined plane 53111

Battery end connector 54

Electric vehicle 6

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.

Example 1

Referring to fig. 1 to 7, an embodiment of the invention provides an electric vehicle 6. Electric vehicle 6 includes automobile body 1, quick change support 2 and a plurality of battery package 5, quick change support 2 is connected on automobile body 1's car roof beam 11, quick change support 2 forms a plurality of battery package accommodation areas 21 along the width direction of automobile body 1, be equipped with locking mechanism 211 in every battery package accommodation area 21, battery package 5 has locking piece 51, locking piece 51 can be dismantled with locking mechanism 211 and be connected, a plurality of battery packages 5 are respectively in the battery package accommodation area 21 that corresponds through locking piece 51 independent connection, a plurality of battery packages 5 are arranged side by side along the width direction of automobile body 1. Install a plurality of battery package 5 respectively through a plurality of battery package accommodation area 21, a plurality of battery package 5 are arranged side by side through quick change support 2 along the width direction of automobile body 1 respectively and are fixed on electric vehicle 6's automobile body 1, realize the battery package and divide the case design. On the first hand, a plurality of independent battery packs 5 are adopted, and compared with a whole large battery pack in the traditional design, under the condition that the electric vehicle 6 needs the same capacity, each independent battery pack 5 is smaller in relative volume and weight, so that the installation is convenient, and the standardization of the battery packs is facilitated; in the second aspect, after the battery packs are placed in boxes, different numbers of battery packs 5 can be installed in a matched manner according to the power consumption required by the electric vehicle 6, so that the compatibility is high; the third aspect, battery package vanning setting compares in the transportation monoblock battery package, and each independent battery package 5 need not to adopt the battery package after large-scale transportation equipment in order to transport the vanning, has reduced the requirement to the equipment of changing electricity. In addition, a plurality of battery packs are arranged along the width direction of the vehicle body 1, the structure arrangement is compact, the battery packs can be better arranged by utilizing the space between the vehicle body beams 11 and the space on two sides, the installation space is saved, the locking mechanism can be better arranged by utilizing the length direction of the vehicle body 1, the bearing stability of the battery packs 5 is facilitated, and convenience is provided for simultaneously replacing the batteries on two sides.

Along the length direction of automobile body 1, locking mechanism 211 distributes in battery package holding area 21 at least one side, and the lateral wall of battery package 5 is equipped with the locking piece 51 with locking mechanism 211 complex. The locking mechanism 211 is located on at least one side of the battery pack accommodating area 21, and correspondingly, the locking piece 51 is located on the side wall of the battery pack 5, so that the space layout is reasonable, and the locking piece 51 and the locking mechanism 211 are connected in the process that the battery pack 5 enters the battery pack accommodating area 21. Preferably, along the length direction of the vehicle body 1, the locking mechanisms 211 are distributed on both sides of the battery pack accommodating area 21. Locking mechanism 211 is located the both sides of battery package holding area 21, and the locking point is located the both sides of battery package 5 for battery package 5 both sides all can be realized being connected with battery package holding area 21, in order to improve the equilibrium.

In other embodiments, as an alternative, the locking mechanism 211 is distributed on at least one side of the battery pack accommodating area 21 along the width direction of the vehicle body 1, and the side wall of the battery pack 5 is provided with the locking member 51 engaged with the locking mechanism 211. Preferably, the locking mechanisms 211 are distributed on both sides of the battery pack accommodating area 21 in the width direction of the vehicle body 1. Or, along the length direction of the vehicle body 1, the locking mechanisms 211 are distributed on at least one side of the battery pack accommodating area 21, and the side wall of the battery pack 5 is provided with a locking piece 51 matched with the locking mechanisms 211; along the width direction of automobile body 1, locking mechanism 211 distributes in at least one side of battery package accommodation area 21, and the lateral wall of battery package 5 is equipped with locking piece 51 with locking mechanism 211 complex. Preferably, locking mechanism 211 is distributed on the periphery of battery pack accommodating area 21, and locking members 51 on the peripheral side wall of battery pack 5 are all fixed in battery pack accommodating area 21 through locking mechanism 211, so that the locking effect is stable, and further, the battery pack 5 is prevented from falling.

At least one side of the battery pack accommodating area 21 is provided with at least two locking mechanisms 211 along the width direction of the vehicle body 1, and the at least two locking mechanisms 211 are arranged at intervals along the length direction of the vehicle body 1. At the one side of battery package holding area 21, set up a plurality of locking points between battery package 5 and the battery package holding area 21, fix battery package 5 in battery package holding area 21 through a plurality of locking mechanism 211 to improve reliability and stability that battery package 5 locked in quick change support 2. Preferably, at least two locking mechanisms 211 are provided on both sides of the battery pack accommodating area 21 in the width direction of the vehicle body 1.

In other embodiments, as an alternative means, at least two locking mechanisms 211 are provided on one side of the battery pack accommodating region 21 in the length direction of the vehicle body 1, and the at least two locking mechanisms 211 are provided at intervals in the width direction of the vehicle body 1. Preferably, at least two locking mechanisms 211 are arranged on both sides of the battery pack accommodating area 21 in the length direction of the vehicle body 1. Or, at least two locking mechanisms 211 are arranged on at least one side of the battery pack accommodating area 21 along the width direction of the vehicle body 1, and the at least two locking mechanisms 211 are arranged at intervals along the length direction of the vehicle body 1; at least two locking mechanisms 211 are arranged on one side of the battery pack accommodating area 21 along the length direction of the vehicle body 1, and the at least two locking mechanisms 211 are arranged at intervals along the width direction of the vehicle body 1. Preferably, at least two locking mechanisms 211 are arranged on both sides of the battery pack accommodating area 21 in the width direction of the vehicle body 1; at least two locking mechanisms 211 are also provided on both sides of the battery pack accommodating section 21 in the longitudinal direction of the vehicle body 1.

The lock member 51 is located at the middle or a region below the middle of the battery pack 5 in the height direction of the battery pack 5. The locking piece 51 positioned in the middle or below the middle of the battery pack 5 is connected with the locking mechanism 211, the connecting point is positioned in the middle or below the middle of the battery pack 5, the area of the battery pack 5 needing to be arranged in a hanging mode is reduced, and the locking stability is high.

Of course, in other embodiments, the locking member 51 may be located in a region above the middle of the battery pack 5 in the height direction of the battery pack 5.

The battery pack 5 is located at the bottom of the vehicle body 11 in the height direction of the vehicle body 1. The installation space of the battery pack 5 is arranged at the bottom of the vehicle beam 11, the space below the vehicle beam 11 is fully utilized, the reasonability of the space layout is improved, the ground clearance of the lower surface of the battery pack 5 is increased, and the battery replacing equipment can conveniently enter and exit from the bottom of the battery pack 5.

In other embodiments, along the height direction of the vehicle body 1, the battery pack 5 is partially higher than the lower surface of the vehicle beam 11, so that the space utilization rate is effectively improved, the ground clearance of the lower surface of the battery pack 5 is increased, and the battery replacement device can conveniently enter and exit from the bottom of the battery pack 5.

Partial battery packs 5 are located on two sides of the vehicle beam 11, and partial battery packs 5 are mounted on two sides of the vehicle beam 11 to improve balance of the vehicle beam 11, so that stability of the electric vehicle 6 in the driving process of the electric vehicle is improved.

In other embodiments, as an alternative, part of the battery pack 5 is located between the two vehicle rails 11. Partial battery packs 5 are arranged between the two vehicle beams 11, the space between the two vehicle beams 11 is fully utilized, and the space layout is reasonable. Or, part of the battery pack 5 is positioned on both sides of the vehicle beam 11, and part of the battery pack 5 is positioned between the two vehicle beams 11.

The quick-change support 2 comprises a plurality of sub-supports 22, each sub-support 22 comprises a first cross beam 221 and a first longitudinal beam 222, the first cross beam 221 is arranged along the width direction of the vehicle body 1, the first longitudinal beams 222 are arranged along the length direction of the vehicle body 1, the first cross beam 221 and the first longitudinal beams 222 are sequentially connected end to form the battery pack accommodating area 21, and one side, facing the battery pack accommodating area 21, of each first longitudinal beam 222 is provided with a locking mechanism 211. In the first aspect, the first cross beam 221 and the first longitudinal beam 222 are sequentially connected end to form a frame structure, which is beneficial to improving the strength of the sub-bracket 22. In the second aspect, the first cross beam 221 and the first longitudinal beam 222 are sequentially connected end to form a space, which is used as the battery pack accommodating area 21, and the space layout is reasonable. In the third aspect, the damage of the independent sub-bracket 22 does not affect the use of other sub-brackets 22, the whole quick-change bracket 2 does not need to be replaced, the cost is saved, and the replaceability of parts is high; in addition, the sub-mounts 22 are separately machined for ease of machining. In the fourth aspect, the locking mechanism 211 is disposed on one side of the first longitudinal beam 222 close to the battery pack accommodating area 21, and the spatial layout is reasonable, so that the locking member 51 and the locking mechanism 211 are connected in the process that the battery pack 5 enters the battery pack accommodating area 21.

The number of the sub-brackets 22 is not less than two, at least part of each of the at least two sub-brackets 22 is located on the outer side of the vehicle beam 11, a battery pack accommodating area 21 is formed between every two adjacent sub-brackets 22, and locking mechanisms 211 are respectively arranged on the outer sides of two adjacent first longitudinal beams 222 on the two sub-brackets 22. The space between two adjacent sub-brackets 22 is used as the battery pack accommodating area 21, so that the space layout is reasonable, and the material is saved. The locking mechanisms 211 are respectively arranged on the outer sides of two adjacent first longitudinal beams 222 in the two sub-supports 22, so that the two sides of the battery pack accommodating area 21 formed between the two adjacent sub-supports 22 are respectively provided with the locking mechanisms 211, the feasibility of locking the battery pack 5 in the battery pack accommodating area 21 is realized, and the two sides of the battery pack 5 can be connected with the battery pack accommodating area 21 to improve the balance.

The quick-change holder 2 comprises a mounting beam 23, and at least part of the sub-holder 22 is connected to the vehicle beam 11 via the mounting beam 23. The sub-bracket 22 is connected with the vehicle beam 11 through the mounting beam 23, and the stable and reliable mounting of the sub-bracket 22 is ensured.

The mounting beam 23 is attached to the top, side or bottom of the vehicle beam 11. The installation of the installation beam 23 is realized by fully utilizing the space at the top, the side or the bottom of the vehicle beam 11, which is beneficial to improving the rationality of the space layout.

Specifically, the mounting beam 23 includes a first mounting plate 231 and a second mounting plate 232, the first mounting plate 231 and the second mounting plate 232 are connected to each other, and the first mounting plate 231 and the second mounting plate 232 are arranged at a predetermined angle, so that the strength of the mounting beam 23 is increased. The reinforcing ribs 233 are connected between the first mounting plate 231 and the second mounting plate 232, so that the strength of the mounting beam 23 is improved, the deformation or fracture of the mounting beam 23 is reduced or avoided, and the service life of the mounting beam 23 is prolonged. Wherein, first mounting panel 231 and second mounting panel 232 are 90 degrees settings, and first mounting panel 231 laminates in the lateral wall of car roof beam 11 and connects, and second mounting panel 232 laminates in first crossbeam 221 and connects, and strengthening rib 233 adopts platelike structure, and along the length direction of first mounting panel 231 or second mounting panel 232, the quantity of strengthening rib 233 is a plurality of, and a plurality of strengthening ribs 233 interval sets up.

The quick-change bracket 2 further comprises a vehicle-end connector 27 and a mounting assembly 28, wherein a mounting assembly 28 is respectively arranged in each battery pack accommodating area 21, the mounting assembly 28 is connected to the quick-change bracket 2, and the vehicle-end connector 27 is arranged on the mounting assembly 28. Through set up car end connector 27 in every battery package holds district 21, each battery package 5 of being convenient for realizes independently supplying power to electric vehicle 6 to satisfy the branch case demand. The vehicle-end connector 27 is connected to the quick-change support 2 through the mounting assembly 28, the connection is stable and reliable, the mounting assembly 28 can utilize the idle area in the battery pack accommodating area 21 to realize the installation, the installation interference with the locking mechanism 211 can be avoided, the mounting space can be reserved for the vehicle-end connector 27, the occupation of other spaces is avoided, and the improvement of the rationality of the spatial layout is facilitated. The vehicle end connector 27 may include, but is not limited to, a vehicle end electrical connector and a vehicle end liquid cooled connector, which are in turn disposed on the mounting assembly 28.

Specifically, the upper surface of the battery pack 5 is provided with the battery end connector 54 (which can be but is not limited to including the battery end electrical connector and the battery end liquid-cooled connector) which is butted with the vehicle end connector 27, the battery pack 5 enters the battery pack accommodating area 21 from bottom to top to realize the locking process, the battery end connector 54 is butted with the vehicle end connector 27 located above the battery end connector 54, the battery pack 5 only needs to be displaced in the vertical direction, the battery pack 5 does not need to be additionally moved front and back and left and right, the connection between the battery pack 5 and the vehicle end connector 27 can be realized, and the installation is convenient.

Specifically, the second mounting plate 232 is partially located in the battery pack accommodating area 21, the portion, located in the battery pack accommodating area 21, of the second mounting plate 232 is provided with the avoiding opening 2321, and the vehicle-side connector 27 installed in the battery pack accommodating area 21 can be partially arranged in the avoiding opening 2321, so that the space utilization rate is improved, and the vehicle-side connector 27 and the second mounting plate 232 are prevented from being in contact interference.

As shown in fig. 1, the mounting assembly 28 includes a mounting lever 281 and a mounting block 282, the mounting lever 281 being connected to a side wall of the mounting block 282 and being mounted on the quick-change bracket 2, the mounting block 282 being used for mounting the vehicle-end connector 27. The mounting block 282 for mounting the vehicle-end connector 27 is fixed on the quick-change bracket 2 by the mounting lever 281, so that the two ends of the mounting block 282 can be directly mounted on the quick-change bracket 2, compared with the method that the length of the mounting block 282 is increased, and the use of materials is saved. Wherein the mounting block 282 is a plate-like member.

Specifically, two mounting rods 281 are connected between adjacent first longitudinal beams 222, the mounting blocks 282 are connected between the two mounting rods 281, and the vehicle-end connectors 27 are disposed on the mounting blocks 282.

In other embodiments, the mounting assembly 28 comprises a mounting plate which is connected to the quick-change holder 2, on which the vehicle-end connector 27 is arranged. The mounting plate of the mounting vehicle-end connector 27 is directly connected to the quick-change support 2, so that the assembly efficiency is improved, and the processing of parts is facilitated.

Specifically, as shown in fig. 1 and 3, the number of the sub-brackets 22 is two, two sub-brackets 22 are arranged along the width direction of the vehicle body 1 to form three battery pack accommodating regions 21, the two sub-brackets 22 are respectively located at least partially outside the vehicle body 11, so that the battery pack 5 located in the middle is arranged opposite to the vehicle body 1 and below the vehicle body 11, and the battery packs 5 located at both sides are respectively located at both sides of the vehicle body 11. In addition, the locking mechanism 211 is installed on the two first longitudinal beams 222 located in the middle part on the side close to the battery pack accommodating area 21 in the middle part, so as to lock the battery pack 5 located in the middle part. The number of the mounting beams 23 is two, and the two mounting beams 23 are respectively mounted on the two sub-brackets 22 so as to connect the sub-brackets 22 with the side wall of the vehicle beam 11. In addition, the two sub-mounts 22 are respectively provided with a mounting component 28 for mounting the vehicle end connector 27, and the mounting component 28 is also mounted between the two sub-mounts 22.

The quick-change bracket 2 is further provided with a first limiting mechanism 3, and the first limiting mechanism 3 is used for being matched with a first limiting part 52 at the top of the battery pack 5 so as to position the battery pack 5. The positioning between the battery pack 5 and the quick-change bracket 2 is realized through the first limiting mechanism 3 and the first limiting part 52, so as to play a role of guiding when the battery pack 5 is installed in the quick-change bracket 2, so as to improve the installation accuracy of the battery pack 5 into the battery pack accommodating area 21, and improve the installation efficiency of the battery pack 5. Meanwhile, after the battery pack 5 is mounted to the quick-change bracket 2, the first limiting mechanism 3 and the first limiting part 52 which are matched with each other can limit the battery pack 5, so that the battery pack 5 is prevented from shaking in the driving process of the vehicle.

Specifically, one of the first limiting mechanism 3 and the first limiting portion 52 is a positioning pin, and the other is a positioning hole, in this embodiment, the first limiting mechanism 3 is a positioning pin, and the first limiting portion 52 is a positioning hole; in other embodiments, the first limiting mechanism 3 may be a positioning hole, and the first limiting portion 52 may be a positioning pin. Furthermore, the end part of the positioning pin, which is close to the positioning hole, is provided with a guide surface 31, so that the positioning pin mechanism can be conveniently inserted into the limiting hole. The outer diameter of the positioning pin is transited from small to large from the outer end to the end close to the positioning hole, so that certain offset error is allowed when the positioning pin is inserted into the positioning hole conveniently, and the alignment efficiency of the positioning pin inserted into the positioning hole is improved. Further, the positioning pins and the positioning holes are non-circular in cross section, so that the positioning pins and the positioning holes, which are fitted to each other, can restrain the rotation of the battery pack 5 in addition to the degrees of freedom of the battery pack 5 in the width direction and the length direction of the vehicle body 1. Alternatively, the end of the positioning pin near the positioning hole is provided with a guide surface 31, and the cross sections of the positioning pin and the positioning hole are non-circular.

Specifically, the top of the battery pack 5 is provided with a positioning hole as the first limiting portion 52, and the mounting rod 281 is provided with a positioning pin as the first limiting mechanism 3. When the battery pack 5 enters the battery pack accommodating area 21 from bottom to top, the first limiting mechanism 3 and the first limiting portion 52 can be butted. In other embodiments, the first limiting portion may also be disposed at other positions on the quick-change bracket, and this embodiment is not particularly limited.

In another implementation, the peripheral sides of the battery pack accommodating area 21 are respectively provided with a second limiting mechanism 4, the side wall of the battery pack 5 is provided with a second limiting portion 53 matched with the second limiting mechanism 4, one of the second limiting mechanism 4 and the second limiting portion 53 is a limiting seat 531, the other one is a limiting protrusion 41, an elastic sheet 5311 is arranged on the limiting seat 531, and the limiting protrusion 41 is abutted to the elastic sheet 5311. Wherein, the second limiting mechanism 4 is a limiting protrusion 41, and the second limiting part 53 is a limiting seat 531; alternatively, the second stopper mechanism 4 is a stopper base 531, and the second stopper portion 53 is a stopper projection 41. Spacing seat 531 provides installation space for flexure strip 5311, and flexure strip 5311 is used for preventing rigid collision between battery package 5 and quick change support 2, realizes elastic buffer, through flexure strip 5311 and spacing protruding 41 cooperation, restricts the displacement of battery package 5 in battery package accommodation area 21, prevents that battery package 5 from damaging.

Specifically, the end of the elastic piece 5311 is obliquely disposed to form a guide slope 53111. The guiding inclined plane 53111 enables the elastic sheet 5311 to have good elasticity and good guiding performance, and in the process that the battery pack 5 is mounted in the battery pack accommodating area 21 from bottom to top, the guiding inclined plane 53111 contacts the limiting protrusion 41 firstly, so that the risk of hard collision between the battery pack 5 and the quick-change bracket 2 can be reduced.

The quick-change holder 2 further comprises a protective plate which covers the top of the battery pack 5. The protection plate covers the upper part of the battery pack 5, so that dust, rainwater and other impurities are prevented from entering the battery pack accommodating area 21, and the performance of the battery pack 5 is prevented from being affected.

Specifically, the protection plate is mounted inside the sub-bracket 22, and is detachably connected to or integrally formed with the sub-bracket.

One side at protection shield orientation battery package 5 top is equipped with the blotter, sets up the blotter and can prevent that battery package 5 from scraping the battery package surface when removing, plays the effect of protection battery package 5, also can reduce rocking of battery package 5. The vehicle-end connector 27 may be attached to the protector plate, and a gap may be provided between the battery pack 5 and the protector plate in a region other than the region where the vehicle-end connector 27 is connected. Alternatively, the protective plate is provided with a relief portion on the side facing the top of the battery pack 5. Set up in the protection shield and dodge the portion, be convenient for walk the line, also can be in dodging the portion installation vehicle end connector 27, spatial layout is reasonable, avoids taking place contact interference between vehicle end connector 27 and the protection shield.

In other embodiments, the side of the protection plate facing the top of the battery pack 5 is provided with a buffer pad, and the side of the protection plate facing the top of the battery pack 5 is provided with an escape portion.

As shown in fig. 6, in the present embodiment, the locking mechanism 211 includes a locking bracket 2111, the locking bracket 2111 is provided with a channel 21111 extending in the direction of gravity, the locking mechanism 211 further includes a first locking portion 2112 and a second locking portion 2113, the first locking portion 2112 is rotatably mounted to the locking bracket 2111; the first locking portion 2112 is configured to prevent the lock piece 51 located in the passage 21111 from moving downward to lock the lock piece 51 when the first locking portion 2112 is rotated to the locking position; the second locking portion 2113 is configured to prevent the first locking portion 2112 from rotating when the first locking portion 2112 is rotated to the locked position, so that the first locking portion 2112 is held at the locked position. Locking piece 51 gets into locking mechanism 211 from bottom to top through the passageway 21111 that extends along the direction of gravity, rotate to the locking position through first locking portion 2112, realize the locking to locking piece 51, when first locking portion 2112 realized the locking to locking piece 51, second locking portion 2113 carries on spacingly to first locking portion 2112, the locking is convenient, reliably, be favorable to promoting the efficiency of 5 installations of battery package and dismantlement, do benefit to the quick replacement that realizes battery package 5.

Specifically, the first locking portion 2112 is a ratchet, and the second locking portion 2113 is a pawl; the ratchet is configured to be rotated in a first direction by the lock member 51 during the lock member 51 moves from the bottom to the top, where the first direction is illustrated as the first lock portion 2112 rotating in the counterclockwise direction in fig. 6; the pawl is configured to engage the ratchet wheel to prevent rotation of the ratchet wheel when the lock member 51 is moved upwardly into the passage 21111. The matching of the ratchet wheel and the pawl can ensure the reliability of locking the locking piece 51 and the reliability of installing the battery pack 5 on the quick-change bracket 2. Moreover, when the battery pack 5 needs to be unlocked, the pawl is separated from the ratchet wheel, and the operation is convenient and quick.

It should be noted that the locking mechanism 211 in the present embodiment may be any locking mechanism 211 that can realize the vertical (straight up and down) hanging of the battery pack 5 to the electric vehicle 6, such as a bolt-type locking mechanism, an expansion bead-type locking mechanism, a T-type locking mechanism, a hook-type locking mechanism, and the like.

The electric vehicle 6 is an electric truck. As the electric truck of the large-sized electric vehicle 6 has higher capacity demand on the battery pack 5, the battery pack is convenient to replace after being arranged in a box-separated manner, and labor is saved when the battery pack is replaced.

In another embodiment, the battery pack accommodating section 21 includes a plurality of sub-accommodating sections arranged side by side in the longitudinal direction of the vehicle body 1, and the sub-accommodating sections are used for independently mounting the battery pack 5. In other words, the region of the quick-change bracket 2 for mounting the battery pack 5 is divided into a plurality of sub-regions along the longitudinal direction and the width direction of the vehicle body 1 to mount the battery pack 5 individually. A plurality of sub-accommodation areas are arranged in the battery pack accommodation area 21, so that the size and the weight of each battery pack which is adapted to each sub-accommodation area can be further reduced, the installation is convenient, and the requirements on the power conversion equipment can be further reduced; in addition, the sub-accommodation area is arranged along the length direction of the vehicle body of the electric vehicle 6, the space along the length direction of the vehicle body is fully utilized, the structural arrangement is compact, and the improvement of the rationality of the spatial layout is facilitated. Specifically, a plurality of sub-accommodation regions are provided between two adjacent first side members 222 along the longitudinal direction of the vehicle body 1.

Example 2

Referring to fig. 8 to 11, an embodiment of the invention provides an electric vehicle 6. It differs from the scheme in example 1 in that: the number of the sub-brackets 22 is not less than three, part of the sub-brackets 22 are positioned between two vehicle beams 11, and part of the sub-brackets 22 are at least partially positioned on the outer sides of the corresponding vehicle beams 11. Not less than three sub-supports 22 are respectively located between two car roof beams 11 and the car roof beam 11 outside, realize the make full use of the space in car roof beam 11 bottom and car roof beam 11 both sides, and space utilization is high.

Specifically, as shown in fig. 8 and 10, the number of the sub-brackets 22 is three, three sub-brackets 22 are arranged along the width direction of the vehicle body 1 to form three battery pack accommodating regions 21, two outer sub-brackets 22 are respectively located at least partially outside the vehicle body beam 11, such that the sub-bracket 22 located in the middle is arranged opposite to the vehicle body 1 and below the vehicle body beam 11, and the battery packs 5 located at two sides are respectively located at two sides of the vehicle body beam 11. Wherein the first longitudinal beam 222 of each sub-bracket 22 is provided with a locking mechanism 211 on one side close to the respective battery pack accommodating area 21. The number of the mounting beams 23 is two, the sub-bracket 22 located in the middle is directly connected with the vehicle beam 11, and the sub-brackets 22 located on the two sides are respectively mounted on the vehicle beam 11 through the mounting beams 23. In addition, the three sub-brackets 22 are respectively provided with a mounting component 28 for mounting the vehicle end connector 27.

In another embodiment, the battery pack accommodating section 21 includes a plurality of sub-accommodating sections arranged side by side in the longitudinal direction of the vehicle body 1, and the sub-accommodating sections are used for independently mounting the battery pack 5. In other words, the region of the quick-change holder 2 for mounting the battery pack 5 is divided into a plurality of sub-regions along the longitudinal direction and the width direction of the vehicle body 1 to mount the battery packs 5 individually. A plurality of sub-accommodation areas are arranged in the battery pack accommodation area 21, so that the size and the weight of each battery pack which is adapted to each sub-accommodation area can be further reduced, the installation is convenient, and the requirements on the power conversion equipment can be further reduced; in addition, the sub-accommodation area is arranged along the length direction of the vehicle body of the electric vehicle 6, the space along the length direction of the vehicle body is fully utilized, the structural arrangement is compact, and the improvement of the rationality of the spatial layout is facilitated. Specifically, a plurality of sub-accommodation sections are provided along the longitudinal direction of the vehicle body 1 inside the sub-mount 22 forming the same battery pack accommodation section 21.

Example 3

Referring to fig. 12 to 15, an embodiment of the invention provides an electric vehicle 6. It differs from the scheme in example 1 in that: the quick-change bracket 2 comprises a bracket body 24 and a partition 25, the partition 25 being connected to the bracket body 24, the partition 25 separating the bracket body 24 to form at least two battery pack receiving areas 21, and a locking mechanism 211 being provided on at least one side of the partition 25 in the width direction of the vehicle body 1. The area inside the bracket body 24 is divided into at least two battery pack accommodating areas 21 by the partition 25 to form at least two independent battery pack accommodating areas 21, and the bracket body 24 has an integral structure, so that the structural strength is high, and the installation space is saved.

The bracket body 24 includes a second cross member 241 and a mounting beam 23, the mounting beam 23 is connected to the vehicle body 11, the second cross member 241 is disposed along the width direction of the vehicle body 1, the second cross member 241 is connected to both ends of the mounting beam 23, and both ends of the partition 25 are connected to the second cross member 241, respectively. The connection between the second cross member 241 and the vehicle beam 11 is realized by the mounting beam 23, and the second cross member 241 is connected to both ends of the mounting beam 23, so that the connection between the second cross member 241 and the mounting beam 23 is strengthened. In addition, the two ends of the partition 25 are respectively connected with the second beam 241, so that the connection effect is stable, and the separation of the partition 25 is avoided.

The bracket body 24 further comprises a second longitudinal beam 242, the second longitudinal beam 242 is arranged along the length direction of the vehicle body 1, the second longitudinal beam 242 and the second transverse beam 241 are sequentially connected end to end, and a locking mechanism 211 is arranged on the side wall of one side, facing the partition 25, of the second longitudinal beam 242. The second longitudinal beam 242 and the second transverse beam 241 are sequentially connected end to form a frame structure, so that the strength of the bracket body 24 is improved. In addition, the locking mechanism 211 is also arranged on one side of the second longitudinal beam 242 facing the partition 25, so that both sides of the battery pack 5 are locked by the locking mechanism 211, and the reliability of the connection between the battery pack 5 and the quick-change bracket 2 is further improved.

Specifically, as shown in fig. 12 and 14, the bracket body 24 includes two second cross members 241 extending along the width direction of the vehicle body 1, and also includes two second longitudinal members 242 extending along the length of the vehicle body 1, the second longitudinal members 242 and the second cross members 241 are sequentially connected end to form a frame structure, two partitions 25 disposed at intervals are connected between the two second cross members 241, and the two partitions 25 divide the bracket body 24 into three battery pack accommodating regions 21. The number of the mounting beams 23 is two, and two ends of the mounting beams 23 are respectively mounted on the two second cross beams 241 and connected to the side wall of the vehicle beam 11, so that the quick-change support 2 is mounted on the vehicle beam 11. In addition, a mounting assembly 28 is mounted between the two partition members 25, and a mounting assembly 28 is mounted between the partition member 25 and the second side member 242 adjacent thereto, so that the mounting assembly 28 for mounting the vehicle-end connector 27 is provided in each battery pack accommodating region.

In another embodiment, the battery pack accommodating section 21 includes a plurality of sub-accommodating sections arranged side by side in the longitudinal direction of the vehicle body 1, the sub-accommodating sections being used for separately mounting the battery pack 5. In other words, the region of the quick-change bracket 2 for mounting the battery pack 5 is divided into a plurality of sub-regions along the longitudinal direction and the width direction of the vehicle body 1 to mount the battery pack 5 individually. A plurality of sub-accommodation areas are arranged in the battery pack accommodation area 21, so that the size and the weight of each battery pack which is adapted to each sub-accommodation area can be further reduced, the installation is convenient, and the requirements on the power conversion equipment can be further reduced; in addition, the sub-accommodation area is arranged along the length direction of the vehicle body of the electric vehicle 6, the space along the length direction of the vehicle body is fully utilized, the structural arrangement is compact, and the improvement of the rationality of the spatial layout is facilitated. Specifically, between two adjacent partitions 25, a plurality of sub-accommodation regions are provided along the length direction of the vehicle body 1; between the partition 25 and the second side member 242, a plurality of sub-accommodation regions are provided along the longitudinal direction of the vehicle body 1.

Example 4

Referring to fig. 16 to 19, an embodiment of the invention provides an electric vehicle 6. It differs from the scheme in example 1 in that: the quick-change bracket 2 comprises two groups of branch brackets 26 arranged at intervals along the width direction of the vehicle body 1, at least one side of each branch bracket 26 forms a battery pack accommodating area 21, each branch bracket 26 comprises a plurality of segmented beams 261 arranged at intervals along the length direction of the vehicle body 1, the segmented beams 261 are connected to the vehicle beam 11, and at least the outer side walls of the segmented beams 261 are provided with locking mechanisms 211. The number of the branch brackets 26 can be increased or reduced according to actual needs, the flexibility is high, and the stability of the battery pack installation is improved conveniently.

Each segmented beam 261 is provided with a connecting plate 262 connected to the vehicle beam 11, and the connecting plate 262 and the locking mechanism 211 are arranged in a staggered mode. Each sectional beam 261 is provided with a connecting plate 262, so that stable connection of the single sectional beam 261 and the vehicle beam 11 is realized, and the required material of the connecting plate 262 is saved.

Specifically, the vehicle body 11 is laid on the upper side of the segment beam 261, and the connecting plate 262 extends from the segment beam 261 in a direction away from the vehicle body 11 and abuts the corner portion of the vehicle body 11. The connecting plate 262 is attached to the corner of the vehicle beam 11, and the stability of the connection between the connecting plate 262 and the vehicle beam 11 is enhanced.

Specifically, as shown in fig. 16 and 18, the quick-change bracket 2 includes two sets of sub-brackets 26 arranged at intervals in the width direction of the vehicle body 1 to form three juxtaposed battery pack receiving areas 21. The number of each group of the branch frames 26 is three, and the three branch frames 26 in each group are arranged at intervals along the length direction of the vehicle body 1. Each sub-frame 26 comprises a segmented beam 261, and a locking mechanism 211 and a connecting plate 262 which are arranged on the segmented beam 261, wherein the locking mechanism 211 and the connecting plate 262 are staggered, two locking mechanisms 211 are respectively arranged on two sides of the segmented beam 261, and the connecting plate 262 is arranged between the two locking mechanisms 211. In addition, along the length direction of the vehicle body 1, the mounting assembly 28 is mounted between the two sub-brackets 26 located in the middle, and the mounting assembly 28 is also mounted on the outer sides of the two sub-brackets 26 located in the middle, so that the mounting assembly 28 for mounting the vehicle-end connector 27 is provided in each battery pack accommodating area.

In another embodiment, the battery pack accommodating section 21 includes a plurality of sub-accommodating sections arranged side by side in the longitudinal direction of the vehicle body 1, the sub-accommodating sections being used for separately mounting the battery pack 5. In other words, the region of the quick-change bracket 2 for mounting the battery pack 5 is divided into a plurality of sub-regions along the longitudinal direction and the width direction of the vehicle body 1 to mount the battery pack 5 individually. A plurality of sub-accommodation areas are arranged in the battery pack accommodation area 21, so that the size and the weight of each battery pack which is adapted to each sub-accommodation area can be further reduced, the installation is convenient, and the requirements on the power conversion equipment can be further reduced; in addition, the sub-accommodation area is arranged along the length direction of the vehicle body of the electric vehicle 6, the space along the length direction of the vehicle body is fully utilized, the structural arrangement is compact, and the improvement of the rationality of the spatial layout is facilitated. Specifically, a plurality of sub-accommodation regions are provided between the two-component bracket 26 along the length direction of the vehicle body 1; a plurality of sub-receiving sections are provided along the longitudinal direction of the vehicle body 1 on the outer side of each set of sub-brackets 26.

Example 5

The embodiment of the utility model provides an electric vehicle 6. It differs from the scheme in example 1 in that: the quick-change bracket 2 comprises two fixing beams arranged at intervals along the width direction of the vehicle body 1, the fixing beams are connected to the vehicle beam 11, at least one side of each fixing beam forms a battery pack accommodating area 21, and at least the outer side wall of each fixing beam is provided with a locking mechanism 211. The installation of battery package 5 can be realized to the fixed beam, can realize quick change support 2 and electric vehicle 6's connection again, and simple structure, the operation of being convenient for does benefit to the cost-effective and is favorable to improving assembly efficiency.

Specifically, two fixing beams provided at intervals in the width direction of the vehicle body 1 form three battery pack accommodating areas 21, two of each fixing beam are provided with locking mechanisms 211 to achieve connection with the battery pack 5, and the upper end of each fixing beam is mounted to the side wall of the vehicle body 11. Wherein, the fixed beam adopts the platelike structure, is convenient for process. In addition, a mounting assembly 28 is installed between the two fixing beams, and a mounting assembly 28 is also installed at the outer side of each fixing beam, so that a mounting assembly 28 for mounting the vehicle-end connector 27 is provided in each battery pack receiving region.

In another embodiment, the battery pack accommodating section 21 includes a plurality of sub-accommodating sections arranged side by side in the longitudinal direction of the vehicle body 1, the sub-accommodating sections being used for separately mounting the battery pack 5. In other words, the region of the quick-change bracket 2 for mounting the battery pack 5 is divided into a plurality of sub-regions along the longitudinal direction and the width direction of the vehicle body 1 to mount the battery pack 5 individually. A plurality of sub-accommodation areas are arranged in the battery pack accommodation area 21, so that the size and the weight of each battery pack which is adapted to each sub-accommodation area can be further reduced, the installation is convenient, and the requirements on the power conversion equipment can be further reduced; in addition, the sub-accommodation area is arranged along the length direction of the vehicle body of the electric vehicle 6, the space along the length direction of the vehicle body is fully utilized, the structural arrangement is compact, and the improvement of the rationality of the spatial layout is facilitated. Specifically, a plurality of sub-accommodation regions are arranged between the two fixed beams along the length direction of the vehicle body 1; a plurality of sub-receiving sections are provided along the longitudinal direction of the vehicle body 1 on the outer side of each fixed beam.

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. An electric vehicle, characterized in that the electric vehicle comprises:

a vehicle body;

2. The electric vehicle of claim 1, characterized in that the locking mechanism is distributed on at least one side of the battery pack accommodating area along the length direction and/or the width direction of the vehicle body;

3. The electric vehicle according to claim 2, characterized in that at least one side of the battery pack accommodating area is provided with at least two of the locking mechanisms along a width and/or length direction of the vehicle body, and the at least two of the locking mechanisms are provided at intervals along the length and/or width direction of the vehicle body.

4. The electric vehicle according to claim 1, characterized in that the lock member is located in a middle or lower area of the battery pack in a height direction of the battery pack.

5. The electric vehicle according to claim 1, characterized in that the battery pack is located at a bottom of the vehicle body member or a portion of the battery pack is higher than a lower surface of the vehicle body member in a height direction of the vehicle body member.

6. The electric vehicle of claim 1, characterized in that part of the battery packs are located on both sides of the vehicle beam and/or part of the battery packs are located between two vehicle beams.

7. The electric vehicle of claim 1, characterized in that the quick-change bracket comprises a plurality of sub-brackets, each sub-bracket comprises a first cross beam and a first longitudinal beam, the first cross beam is arranged along the width direction of the vehicle body, the first longitudinal beams are arranged along the length direction of the vehicle body, the first cross beam and the first longitudinal beams are sequentially connected end to form the battery pack accommodating area, and the locking mechanism is arranged on one side of the first longitudinal beam facing the battery pack accommodating area.

8. The electric vehicle of claim 7, characterized in that the number of the sub-brackets is not less than two, at least two of the sub-brackets are respectively located at least partially on the outer side of the vehicle beam, the battery pack accommodating area is formed between two adjacent sub-brackets, and the locking mechanisms are respectively arranged on the outer sides of two adjacent first longitudinal beams on the two sub-brackets.

9. The electric vehicle of claim 7, characterized in that the number of said sub-mounts is not less than three, part of said sub-mounts being located between two of said rails, part of said sub-mounts being located at least partially outside of the corresponding said rails.

10. An electric vehicle as claimed in claim 7, characterized in that the quick-change holder comprises a mounting beam, by means of which at least part of the sub-holder is connected to the vehicle beam.

11. The electric vehicle according to claim 1, characterized in that the quick-change bracket includes a bracket body and a partition that is connected to the bracket body, the partition partitioning the bracket body to form at least two of the battery pack accommodating regions, the locking mechanism being provided on at least one side of the partition in a width direction of the vehicle body.

12. The electric vehicle according to claim 11, characterized in that the bracket body includes a second cross member and a mounting beam, the mounting beam is connected to the vehicle beam, the second cross member is provided along a width direction of the vehicle body, the second cross member is connected to both ends of the mounting beam, and both ends of the partition are connected to the second cross member, respectively.

13. The electric vehicle of claim 12, characterized in that the bracket body further comprises a second longitudinal beam, the second longitudinal beam is arranged along the length direction of the vehicle body, the second longitudinal beam and the second cross beam are sequentially connected end to end, and the side wall of one side of the second longitudinal beam facing the partition is provided with the locking mechanism.

14. The electric vehicle of claim 10 or 12, characterized in that the mounting beam is attached to the top, side or bottom of the vehicle beam.

15. The electric vehicle of claim 1, characterized in that the quick-change bracket comprises two sets of sub-brackets arranged at intervals along the width direction of the vehicle body, at least one side of the sub-brackets forms the battery pack accommodating area, the sub-brackets comprise a plurality of segmented beams arranged at intervals along the length direction of the vehicle body, the segmented beams are connected to the vehicle beam, and the locking mechanism is arranged on at least outer side walls of the segmented beams.

16. The electric vehicle of claim 15, characterized in that each of said segmented beams is provided with an attachment plate attached to said beam, said attachment plate being offset from said latch mechanism.

17. The electric vehicle of claim 1, characterized in that the quick-change bracket comprises two fixing beams arranged at intervals along the width direction of the vehicle body, the fixing beams are connected to the vehicle beam, at least one side of each fixing beam forms the battery pack accommodating area, and at least the outer side wall of each fixing beam is provided with the locking mechanism.

18. The electric vehicle of claim 1, characterized in that the quick-change holder further comprises a holder connector and a mounting assembly, the mounting assembly is disposed in each of the battery pack receiving areas and connected to the quick-change holder, and the holder connector is disposed on the mounting assembly.

19. The electric vehicle of claim 18, characterized in that the mounting assembly includes a mounting bar connected to a side wall of the mounting block and mounted on the quick-change bracket, and a mounting block for mounting the end connector;

20. The electric vehicle as claimed in claim 1, wherein a first position-limiting mechanism is further disposed on the quick-change bracket, and the first position-limiting mechanism is configured to cooperate with a first position-limiting portion on the top of the battery pack to position the battery pack.

21. The electric vehicle according to claim 1, wherein the battery pack receiving area is provided at peripheral sides thereof with second limiting mechanisms, the battery pack side wall is provided with second limiting portions engaged with the second limiting mechanisms, one of the second limiting mechanisms and the second limiting portions is a limiting seat, the other one of the second limiting mechanisms and the second limiting portions is a limiting protrusion, the limiting seat is provided with an elastic piece, and the limiting protrusion abuts against the elastic piece.

22. The electric vehicle of claim 1, characterized in that the quick-change cradle further comprises a protective plate covering a top portion of the battery pack.

23. The electric vehicle as claimed in claim 22, wherein the protective plate is provided with a cushion pad on a side thereof facing the top of the battery pack, and/or a relief portion on a side thereof facing the top of the battery pack.

24. The electric vehicle of claim 1, characterized in that the locking mechanism comprises a locking bracket provided with a channel extending in the direction of gravity, the locking mechanism further comprising a first locking portion and a second locking portion, the first locking portion being rotatably mounted to the locking bracket;

the first locking part is configured to prevent the lock piece located in the passage from moving downwards to lock the lock piece when the first locking part rotates to the locking position;

25. The electric vehicle of any of claims 1-13, 15-24, characterized in that the electric vehicle is an electric truck.