CN219191972U - Quick-change bracket and electric vehicle comprising same - Google Patents

Abstract

The utility model discloses a quick-change bracket and an electric vehicle comprising the same, wherein the quick-change bracket is used for installing a battery box on the electric vehicle, the electric vehicle comprises two oppositely arranged vehicle beams, the vehicle beams extend along the length direction of the electric vehicle, the quick-change bracket comprises a bracket body, and the bracket body comprises: the two longitudinal beams are oppositely arranged and are connected to the inner side walls of the two different vehicle beams; a plurality of connecting beams are arranged between the two longitudinal beams, and the connecting beams are arranged at intervals along the length direction of the electric vehicle. By adopting the structure, the bracket body is arranged on the inner side of the vehicle beam to provide a relatively stable installation environment, and meanwhile, foreign matters are reduced. And because the electric vehicle body is longer, through arranging a plurality of tie-beams at the length direction interval of electric vehicle, make the whole of quick change support more firm for the fixed of roof beam, increase the stability that the battery box was connected with electric vehicle.

Description

Quick-change bracket and electric vehicle comprising same

Technical Field

The utility model relates to the field of electric automobiles, in particular to a quick-change bracket and an electric vehicle comprising the same.

Background

In recent years, new energy automobiles are rapidly developed, and electric vehicles which rely on storage batteries as driving energy have the advantages of zero emission and small noise, and along with the increasing market share and use frequency of the electric vehicles, electric commercial vehicles in the electric vehicles, such as electric heavy trucks and electric light trucks, are gradually started to appear in respective application scenes. Because the battery box charging process of the direct-charging electric vehicle often needs longer time, the quick-change electric vehicle is increasingly widely used. The electric vehicle of quick change formula usually has quick change support, and quick change support installs on the vehicle, and battery box detachably installs on quick change support, and when the battery box electric quantity was not enough, electric vehicle was driven into the power station of changing, changed the battery box on the quick change support, can save time greatly.

However, with respect to the quick-change type battery box, the entire battery box is large and heavy, and the replacement difficulty is large. Especially for large vehicles, such as heavy truck type, the vehicle body and the carrying weight are very large, and the strength requirement of the bearing battery box can not be met only by the quick-change bracket of the rectangular frame type. In addition, in the process that electric vehicle is traveling, foreign matters such as dust muddy water on the road can be taken up by the tire and splash to the battery box surface, to quick change battery box, splash to the foreign matters on battery box surface easy landing to between battery box and the quick change support, and then easily cause wearing and tearing and the dismantlement trouble of battery box and quick change support even quick change support subassembly.

Disclosure of Invention

The utility model aims to overcome the defects that a quick-change bracket in the prior art is low in strength and foreign matters are easy to splash into the quick-change bracket, and provides the quick-change bracket and an electric vehicle comprising the same.

The utility model solves the technical problems by the following technical scheme:

a quick change support for install battery box in electric vehicle, electric vehicle includes two car roof beams of relative setting, the car roof beam is followed electric vehicle's length direction extends, the quick change support includes the support body, the support body includes: the two longitudinal beams are oppositely arranged and are connected to the inner side walls of the two different vehicle beams; a plurality of connecting beams are arranged between the two longitudinal beams, and the connecting beams are arranged at intervals along the length direction of the electric vehicle.

In this technical scheme, adopt above-mentioned structural style, the support body setting provides a relatively stable installation environment in the inboard of roof beam, plays the effect of protection to the support body, reduces simultaneously that the foreign matter enters into between support body and the battery box, has avoided dismantling the emergence of trouble. And because the electric vehicle body is longer, through arranging a plurality of tie-beams at the length direction interval of electric vehicle, make the whole of quick change support more firm for the fixed of roof beam, improved the structural strength of quick change support, increased the stability that battery box and electric vehicle are connected.

Preferably, the quick-change bracket further comprises a first connecting piece, and the connecting beam is connected with the bracket body through the first connecting piece.

In this technical scheme, adopt above-mentioned structural style, use the connecting piece to connect tie-beam and support body, simple structure makes things convenient for operating personnel installation and maintenance.

Preferably, the first connecting piece includes first C template and first turn-ups, first turn-ups certainly the open-ended both ends of first C template outwards extend, first turn-ups with the support body is connected, and first C template is equipped with the confession the mounting hole that the tie beam is connected.

In this technical scheme, adopt above-mentioned structural style, the several style of calligraphy skeletons that first C template and first turn-ups formed have advantages such as compressive strength is long-lived, simple to operate, and the turn-ups of both sides, when increasing its atress function, also increased the contact surface with the support body, improved structural strength.

Preferably, the longitudinal beam comprises a first top plate, a first side plate and a first bottom plate which are sequentially connected, and the first side plate is fixedly connected with the vehicle beam; the first connecting piece is connected with the first side plate and is positioned between the first top plate and the first bottom plate, and the heights of the first flanging and the C-shaped plate are identical with the distance between the first top plate and the first bottom plate.

In this technical scheme, adopt above-mentioned structural style, the longeron is including roof, curb plate and the bottom plate of connecting in order, simple structure, and stability is high, can make full use of roof, curb plate and roof's installation space, improves space utilization. In addition, the first C-shaped plate and the first flanging form a few-shaped framework which has the advantages of strong pressure resistance, long service life, convenience in installation and the like, and the flanging on two sides increases the stress function of the flanging, and simultaneously increases the contact surface with the first side plate and improves the structural strength. In addition, the height of the first flanging and the first C-shaped plate is matched with the distance from the first top plate to the first bottom plate, so that the overall structural strength of the longitudinal beam is enhanced.

Preferably, the quick-change bracket further comprises two oppositely arranged cross beams, the cross beams extend along the width direction of the electric vehicle, the two cross beams are respectively connected to two ends between the longitudinal beams, the longitudinal beams and the cross beams enclose to form a frame structure, and at least one part of the connecting beams are arranged between the two cross beams and are arranged at intervals along the length direction of the electric vehicle.

In this technical scheme, adopt above-mentioned structural style, longeron and crossbeam can enclose into rectangular frame structure, be convenient for carry out the adaptation with electric automobile's installation space, increase trolley Liang Chetou and the structural stability of tail to a plurality of tie-beams can strengthen quick change support along electric automobile length direction's structural strength, in addition can make full use of the installation space of crossbeam, in order to improve space utilization.

Preferably, the lower surface of the longitudinal beam is higher than the upper surface of the transverse beam.

In this technical scheme, adopt above-mentioned structural style, longeron whole is higher than the crossbeam and is convenient for hold the battery box, can improve the holistic mounting height of battery box, can avoid the battery box to take place to interfere with other parts of electric automobile. And interference between the cross beam and the vehicle beam can be avoided.

Preferably, the quick-change bracket further comprises a stand column, the longitudinal beam is connected with the cross beam through the stand column, and the longitudinal beam, the stand column and the cross beam are sequentially enclosed to form a frame structure.

In this technical scheme, adopt above-mentioned structural style, the longeron and the crossbeam of different co-altitude can be in the same place with the stand, simultaneously, longeron, stand and crossbeam can enclose into rectangular frame structure, are convenient for carry out the adaptation with electric automobile's installation space.

Preferably, one end of the upright post, which faces the bottom of the electric vehicle, is provided with a positioning part, the positioning part is provided with a positioning hole, a supporting part is further arranged between the positioning parts at two ends of the width and/or length direction of the electric vehicle, and the positioning part and the supporting part are integrally formed.

In the technical scheme, the support parts are arranged between the positioning parts and integrally formed, so that the positioning accuracy of the quick-change bracket and the battery replacement equipment is further improved.

Preferably, the quick-change bracket further comprises a second connecting piece, the second connecting piece comprises a connecting plate and a second flanging, the second flanging extends from two ends of the connecting plate towards the same or opposite directions respectively, and the second flanging is used for being connected with the longitudinal beam and the upright post.

In this technical scheme, adopt above-mentioned structural style, the second connecting piece can be according to the concrete structure and the extending direction of position adjustment second turn-ups of longeron and stand in the actual quick change support in order to realize reinforcing stand and longeron joint strength's effect.

Preferably, the connecting beam is arranged between the upright posts at two ends along the width and/or length direction of the electric vehicle.

In this technical scheme, adopt above-mentioned structural style, the tie-beam can improve intensity and stability between the stand.

Preferably, a first reinforcing piece is arranged at the joint of the upright post and the longitudinal beam;

and/or the joint of the connecting beam and the longitudinal beam is provided with a first reinforcing piece.

In this technical scheme, adopt above-mentioned structural style, set up the reinforcement in stand and/or tie beam and longeron's junction and can further improve structural strength and stability.

The utility model provides an electric vehicle, which comprises the quick-change bracket.

Preferably, the electric vehicle comprises two oppositely arranged vehicle beams, the vehicle beams extend along the length direction of the electric vehicle, the vehicle beams comprise a second top plate, a second side plate and a second bottom plate which are sequentially connected, and a second reinforcing piece is arranged in an accommodating space surrounded by the second top plate, the second side plate and the second bottom plate.

In the technical scheme, the structural form is adopted, and the second reinforcement can improve the integral structural strength of the vehicle beam in the limited space formed by enclosing the vehicle.

Preferably, the second reinforcement includes an end plate and an intermediate connection member, the end plate being connected to the second top plate and the second bottom plate, respectively, and the intermediate connection member being disposed between the end plates.

In the technical scheme, the structural form is adopted, and the second reinforcement can improve the integral structural strength of the vehicle beam in the limited space formed by enclosing the vehicle.

Preferably, the middle connecting piece comprises a second C-shaped plate and a third flanging, the third flanging extends outwards from two ends of the opening of the second C-shaped plate, the second C-shaped plate is connected with the second side plate, and the opening of the second C-shaped plate faces the quick-change bracket.

In this technical scheme, the several style of calligraphy skeletons that second C template and second turn-ups formed have advantages such as compressive resistance is strong, long service life, simple to operate, and the turn-ups of both sides, when increasing its atress function, also increased the contact surface with the direct butt of quick change, improved structural strength.

The utility model has the positive progress effects that: the bracket body is arranged on the inner side of the vehicle beam to provide a relatively stable installation environment, and foreign matters are reduced. And because the electric vehicle body is longer, through arranging a plurality of tie-beams at the length direction interval of electric vehicle, make the whole of quick change support more firm for the fixed of roof beam, increase the stability that the battery box was connected with electric vehicle.

Drawings

Fig. 1 is a schematic perspective view of an electric vehicle in embodiment 1 of the present utility model.

Fig. 2 is a schematic perspective view of a quick-change bracket according to embodiment 1 of the present utility model.

Fig. 3 is a schematic view showing a partial perspective structure of a side member in embodiment 1 of the present utility model.

Fig. 4 is a schematic perspective view of a first connector in embodiment 1 of the present utility model.

Fig. 5 is a schematic perspective view of a second connector in embodiment 1 of the present utility model.

Fig. 6 is a schematic perspective view of a positioning portion in embodiment 1 of the present utility model.

Fig. 7 is a schematic perspective view of a second reinforcing member according to embodiment 1 of the present utility model.

Fig. 8 is a schematic view of a partial perspective view of a vehicle beam in embodiment 1 of the present utility model.

Reference numerals illustrate:

quick change stand 100

Bracket body 101

Longitudinal beam 11

First top plate 111

First side plate 112

First bottom plate 113

First folded edge portion 114

Second flange portion 115

Mounting groove 116

Lightening holes 117

Cross beam 12

Column 13

Connecting beam 14

First connector 20

First C-shaped plate 21

First flange 22

Second connector 30

Connecting plate 31

Second flange 32

Positioning portion 40

Positioning hole 41

Support portion 42

First stiffener 50

Second stiffener 60

End plate 61

Second C-shaped plate 62

Third turned-up edge 63

Electric vehicle 200

Vehicle beam 70

Second top plate 701

Second side plate 702

Second backplane 703

Detailed Description

The utility model is further illustrated by means of the following examples, which are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1 to 8, the present embodiment provides an electric vehicle 200 including a heavy truck, a light truck, and the like. The electric vehicle includes a quick-change bracket 100 for mounting a battery box to the electric vehicle, wherein the electric vehicle 200 includes two oppositely disposed vehicle beams 70, the vehicle beams 70 extending in a length direction of the electric vehicle 200, the quick-change bracket 100 including a bracket body 101, the bracket body 101 being disposed inside the vehicle beams 70. The support body 101 sets up and provides a relatively stable installation environment in the inboard of roof beam 70, plays the effect of protection to support body 101, reduces simultaneously that the foreign matter enters into between support body and the battery box, has avoided dismantling the release of trouble.

In this embodiment, the bracket body 101 specifically includes: the two oppositely arranged longitudinal beams 11, the two oppositely arranged cross beams 12 and the four upright posts 13, specifically, the two longitudinal beams 11 are respectively arranged on the inner side walls of two different vehicle beams 70, the cross beams 12 extend along the width direction of the electric vehicle 200, the four upright posts 13 are respectively arranged at four corners, the two longitudinal beams 11 and the two cross beams 12 are clamped between the upright posts 13, as shown in fig. 2, that is, the longitudinal beams 11 are connected with the cross beams 12 through the upright posts 13, and the longitudinal beams 11, the upright posts 13 and the cross beams 12 are sequentially enclosed to form a frame structure.

By adopting the above structural form, the longitudinal beam 11, the upright post 13 and the cross beam 12 can be enclosed into a rectangular frame structure, so that the rectangular frame structure is convenient to adapt to the installation space of the electric vehicle 200, the structural stability of the head and the tail of the electric vehicle 200 is improved, and the installation space of the cross beam 12 can be fully utilized, so that the space utilization rate is improved. Meanwhile, the upright posts 13 can connect the longitudinal beams 11 and the transverse beams 12 with different heights together, so that the electric automobile can be conveniently matched with the installation space of the electric automobile.

In the present embodiment, the lower surface of the side member 11 is higher than the upper surface of the cross member 12. By adopting the above structure, the overall installation height of the battery box can be increased, the battery box can be prevented from interfering with other components of the electric vehicle 200, and the cross beam 12 and the vehicle beam 70 can be prevented from interfering.

In this embodiment, as shown in fig. 2, the quick-change bracket 100 further includes a plurality of connection beams 14, and the connection beams 14 are disposed in a frame structure formed by enclosing the longitudinal beams 11, the vertical columns 13, and the cross beams 12, and are arranged at intervals along the length direction of the electric vehicle 200. With the above structural form, since the electric vehicle 200 has a long body, the plurality of connecting beams 14 are arranged at intervals in the length direction of the electric vehicle 200, so that the whole of the quick-change bracket 100 is more firmly fixed relative to the vehicle beam 70, the structural strength of the quick-change bracket 100 is improved, and the connection stability of the battery box and the electric vehicle 200 is improved. In addition, a connection beam 14 is also provided between the pillars 13 along both ends in the width direction of the electric vehicle 200 to improve strength and stability between the pillars 13. In other alternative embodiments, the connecting beams 14 may be disposed between the columns 13 at two ends along the length direction, so long as the strength of the frame structure of the quick-change bracket 100 can be improved, and the number of the connecting beams 14 is not particularly limited, and may be adaptively adjusted according to actual requirements.

In this embodiment, as shown in fig. 2 and 4, the quick-change bracket 100 further includes a first connection member 20, and the connection beam 14 is connected to the bracket body 101 through the first connection member 20. By adopting the above structural form, the connecting beam 14 and the bracket body 101 are connected by using the connecting piece, the structure is simple, and the installation and the overhaul of operators are convenient.

Specifically, the first connecting member 20 includes a first C-shaped plate 21 and a first flange 22, the first flange 22 extending outwardly from both ends of the opening of the first C-shaped plate 21, the first flange 22 being connected to the side member 11, the first C-shaped plate 21 being provided with a mounting hole for connection of the connecting beam 14.

As shown in fig. 3 and fig. 4, the longitudinal beam 11 includes a first top plate 111, a first side plate 112 and a first bottom plate 113, and in this embodiment, the three are in an integral structure, it is understood that the first top plate 111 and the first bottom plate 113 may be formed by bending the first side plate 112. In other alternative embodiments, the first top plate 111, the first side plate 112, and the first bottom plate 113 may be sequentially formed by splicing, and may be adaptively adjusted according to actual requirements, which is not limited herein.

Wherein the first side plate 112 is fixedly connected with the vehicle beam 70; the first C-shaped plate 21 is connected to the first side plate 112 and is located between the first top plate 111 and the first bottom plate 113, and the heights of the first flange 22 and the C-shaped plate are identical to the distance between the first top plate 111 and the first bottom plate 113.

By adopting the above structural form, the longitudinal beam 11 comprises a top plate, a side plate and a bottom plate which are sequentially connected, has simple structure and high stability, can fully utilize the installation space of the top plate, the side plate and the top plate, and improves the space utilization rate. In addition, the C-shaped framework formed by the first C-shaped plate 21 and the first flanging 22 has the advantages of strong pressure resistance, long service life, convenience in installation and the like, and the flanging on two sides increases the stress function of the C-shaped framework, increases the contact surface with the first side plate 112 and improves the structural strength. In addition, the height of the first flange 22 and the first C-shaped plate 21 is matched with the distance from the first top plate 111 to the first bottom plate 113, which is advantageous for enhancing the structural strength of the whole longitudinal beam 11.

In this embodiment, as shown in fig. 2 and 5, the quick-change bracket 100 further includes a second connecting member 30, where the second connecting member 30 includes a connecting plate 31 and second flanges 32, and the second flanges 32 extend in opposite directions from two ends of the connecting plate 31, respectively, one of which is connected to the longitudinal beam 11, and the other of which is connected to the upright post 13, so that the second connecting member 30 forms a zigzag-shaped section.

By adopting the above structural form, the effect of enhancing the connection strength between the upright posts 13 and the longitudinal beams 11 can be achieved. Meanwhile, the Z-shaped steel is good in shape and high in structural strength, and structural deformation is avoided after the battery box is installed. The second connecting piece 30 can adjust the extending direction of the second flange 32 according to the specific structure and position of the longitudinal beam 11 and the vertical beam 13 in the actual quick-change bracket 100 so as to achieve the effect of enhancing the connection strength of the vertical beam 13 and the longitudinal beam 11.

It should be noted that, in other alternative embodiments, the second connecting member 30 may also have other cross sections, such as a C-shaped cross section, or a right angle connecting member, according to the specific structure and relative positions of the stringers 11 and the pillars 13, which can also achieve the effect of reinforcing the structural strength of the pillars 13, without being limited thereto.

In the present embodiment, as shown in fig. 6, one end of the pillar 13 facing the bottom of the electric vehicle 200 is provided with a positioning portion 40, the positioning portion 40 is provided with a positioning hole 41, a support portion 42 is further provided between the positioning portions 40 along both ends in the width direction of the electric vehicle 200, and the positioning portion 40 and the support portion 42 are integrally formed.

By adopting the above structural form, the positioning part 40 is arranged at the bottom of the upright post 13, so that the positioning column of the battery replacement equipment is conveniently inserted into the positioning column from bottom to top, the position of the battery replacement equipment is further fixed, the alignment accuracy of the battery replacement equipment and the battery box is ensured, the relative displacement between the battery replacement equipment and the electric vehicle 200 is avoided in the process of installing and dismantling the battery box, and the installation and the disassembly of the battery box are facilitated. In addition, the support portion 42 is disposed between the positioning portions 40 and integrally formed, which is beneficial to further improving the positioning accuracy of the quick-change bracket 100 and the battery exchange device.

It should be noted that, in other alternative embodiments, the supporting portion 42 may be disposed between two positioning portions 40 along the length direction of the electric vehicle 200, which can also achieve the requirement of improving the positioning accuracy of the point changing device, and is not limited herein.

In this embodiment, as shown in fig. 2, a first reinforcing member 50 is disposed at the connection between the upright 13 and the longitudinal beam 11, and the first reinforcing member 50 is a triangular reinforcing rib, where one surface of the triangular reinforcing rib is attached to the upright 13, and the other surface is attached to the first top surface of the longitudinal beam 11.

It should be noted that, in other alternative embodiments, the connection between the connecting beam 14 and the longitudinal beam 11 may be provided with a reinforcement, so that the structural strength and stability may be further improved by providing the reinforcement at the connection between the upright 13 and/or the connecting beam 14 and the longitudinal beam 11 in the above-mentioned structural form.

In the present embodiment, as shown in fig. 3, the first top plate 111 extends upward from the edge thereof to form a first hemmed portion 114, and the first bottom plate 113 extends upward from the edge thereof to form a second hemmed portion 115, wherein a first accommodation space is formed between the first hemmed portion 114 and the first top plate 111 and the vehicle inner side wall, and the second hemmed portion 115 forms a second accommodation space with the first bottom plate 113, the first side plate 112 and the first top plate 111.

In this embodiment, the first accommodation space may be used for accommodating a cable, avoiding cable scraping and abrasion, having a certain protection effect, and may avoid foreign matters from entering the inside of the bracket body 101 to a certain extent.

In this embodiment, the electric vehicle 200 further includes a locking mechanism (not shown in the drawing), the locking mechanism is fixed to the bracket body 101, and a lock shaft (not shown in the drawing) matched with the locking mechanism is disposed on the battery box, and the lock shaft and the locking mechanism cooperate to realize a locking function for the battery box.

Specifically, the locking mechanism is provided with a plurality of mounting grooves 116 on the first bottom plate 113 in the second accommodation space, a plurality of mounting holes are provided around the mounting grooves 116, the locking mechanism is inserted into the mounting grooves 116 in the vertical direction and is mounted through the mounting holes, and at this time, the main locking part of the locking mechanism is located below the bracket body 101. Through the arrangement form, the locking mechanism part is arranged in the second accommodating space and can protect the locking mechanism, meanwhile, the locking part extends out of the height space below the longitudinal beam 11 of the vehicle body, and when the battery box is disassembled by the battery replacement equipment, the empty battery replacement equipment can directly enter the space below the battery box and does not interfere with the bottom of the electric vehicle; when the battery box is installed by the battery exchange equipment, the battery exchange equipment bearing the battery box can also directly enter the lower part of the vehicle body longitudinal beam 11 for battery installation, and does not interfere with the bottom of the electric vehicle.

In this embodiment, the shape of the mounting groove 116 is not specifically limited, and other structures may be used as the mounting groove 116 matches the contour of the outer edge of the locking mechanism.

In this embodiment, as shown in fig. 8, the beam 70 includes a second top plate 701, a second side plate 702, and a second bottom plate 703 that are sequentially connected, and the second reinforcement 60 is disposed in an accommodation space defined by the second top plate 701, the second side plate 702, and the second bottom plate 703.

Specifically, as shown in fig. 7, the second reinforcement 60 includes end plates 61 and intermediate connectors, the end plates 61 being connected to the second top plate 701 and the second bottom plate 703, respectively, and the intermediate connectors being disposed between the end plates 61. The intermediate connecting member includes a second C-shaped plate 62 and a third flange 63, the third flange 63 extending outwardly from both ends of the opening of the second C-shaped plate 62, the second C-shaped plate 62 being connected to a second side plate 702, the opening of the second C-shaped plate 62 being directed toward the quick-change bracket 100.

The U-shaped framework formed by the second C-shaped plate 62 and the second flanging 32 has the advantages of strong pressure resistance, long service life, convenience in installation and the like, and the flanging on two sides increases the stress function of the U-shaped framework, increases the contact surface directly abutted to the quick change, and improves the structural strength.

In this embodiment, the quick-change bracket 100 and the vehicle beam 70 are provided with the lightening holes 117, and the lightening holes 117 are convenient for reducing the weight of the longitudinal beam 11 and the cross beam 12, which is beneficial to improving the endurance of the electric vehicle 200. The lightening holes 117 may be, for example, in the form of circular, rectangular, and waist-shaped holes, and are not particularly limited herein.

Example 2

The embodiment discloses another electric vehicle 200, which is different from embodiment 1 in that the quick-change bracket 100 is an open frame structure, i.e. only one side has the cross beam 12, the quick-change bracket 100 has no back beam, the structure of the quick-change bracket 100 is simpler, the overall weight of the quick-change bracket 100 is reduced, and more importantly, the quick-change bracket 100 can be adapted to electric vehicles 200 or battery boxes with different lengths, i.e. the application range of the quick-change bracket 100 is improved. It will be appreciated that, for example, when the vehicle body is too long, the longitudinal beam 11 may be additionally installed, and the longitudinal beam 11 are detachably connected; when the vehicle body is slightly short, the longitudinal beams 11 can be reduced on the basis of the prior art so as to be suitable for electric vehicles 200 or battery boxes with different lengths, and the adaptation can be made according to actual requirements.

Example 3

The present embodiment discloses another electric vehicle 200, which is different from embodiment 1 in that the quick-change bracket 100 includes a plurality of independent bracket bodies 101, the plurality of independent bracket bodies 101 are distributed along the length direction of the electric vehicle 200, each bracket body 101 is surrounded by a longitudinal beam 11, a vertical column 13 and a transverse direction to form a rectangular frame structure, at this time, the function of the cross beam 12 is equivalent to that of the connecting beam 14 in embodiment 1, and the function of enhancing the strength of the electric vehicle 200 in the length direction is provided.

In other alternative embodiments, a different number of independent stent bodies 101 may be provided according to actual requirements, which is not particularly limited herein.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are all based on the orientation or positional relationship of the device or component when in normal use, and are merely for convenience in describing the present utility model and to simplify the description, rather than to indicate or imply that the device or component in question must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and the scope of the utility model 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 principles and spirit of the utility model, but such changes and modifications fall within the scope of the utility model.

Claims (15)

1. A quick change support for install battery box in electric vehicle, electric vehicle includes two car roof beams of relative setting, the car roof beam is followed electric vehicle's length direction extends, its characterized in that, quick change support includes the support body, the support body includes: the two longitudinal beams are oppositely arranged and are connected to the inner side walls of the two different vehicle beams; a plurality of connecting beams are arranged between the two longitudinal beams, and the connecting beams are arranged at intervals along the length direction of the electric vehicle.

2. The quick-change bracket of claim 1, further comprising a first connector, the connection beam being connected to the bracket body by the first connector.

3. The quick-change bracket of claim 2, wherein the first connector comprises a first C-shaped plate and a first flange, the first flange extends outwards from two ends of the opening of the first C-shaped plate, the first flange is connected with the bracket body, and the first C-shaped plate is provided with a mounting hole for connecting the connecting beam.

4. The quick-change bracket of claim 3, wherein the longitudinal beam comprises a first top plate, a first side plate and a first bottom plate which are connected in sequence, wherein the first side plate is fixedly connected with the vehicle beam; the first connecting piece is connected with the first side plate and is positioned between the first top plate and the first bottom plate, and the heights of the first flanging and the C-shaped plate are identical with the distance between the first top plate and the first bottom plate.

5. The quick-change bracket of claim 1, further comprising two oppositely disposed cross beams extending in a width direction of the electric vehicle, the two cross beams being respectively connected to two ends between the two longitudinal beams, the longitudinal beams and the cross beams enclosing to form a frame structure, at least a portion of the plurality of connecting beams being disposed between the two cross beams and being spaced apart in a length direction of the electric vehicle.

6. The quick change bracket of claim 5 wherein the lower surface of the longitudinal beam is higher than the upper surface of the transverse beam.

7. The quick-change bracket of claim 5, further comprising a post, wherein the longitudinal beam is connected to the cross beam by the post, and wherein the longitudinal beam, the post, and the cross beam are sequentially enclosed to form a frame structure.

8. The quick-change bracket of claim 7, wherein one end of the upright column facing the bottom of the electric vehicle is provided with a positioning part, the positioning part is provided with a positioning hole, a supporting part is further arranged between the positioning parts along the width and/or length direction of the electric vehicle, and the positioning part and the supporting part are integrally formed.

9. The quick-change bracket of claim 7, further comprising a second connector comprising a web and a second flange extending in the same or opposite directions from each end of the web, the second flange being for connection with the stringers and the uprights.

10. The quick-change bracket of claim 7, wherein the connecting beam is provided between the upright posts at both ends in the width and/or length direction of the electric vehicle.

11. The quick change bracket of claim 7, wherein a first reinforcement is provided at the connection of the upright and the stringer;

and/or the joint of the connecting beam and the longitudinal beam is provided with a first reinforcing piece.

12. An electric vehicle comprising a quick change bracket according to any one of claims 1-11.

13. The electric vehicle of claim 12, characterized in that the electric vehicle comprises two oppositely disposed vehicle beams extending along the length direction of the electric vehicle, the vehicle beams comprising a second top plate, a second side plate and a second bottom plate connected in sequence, and a second reinforcement being disposed in an accommodation space surrounded by the second top plate, the second side plate and the second bottom plate.

14. The electric vehicle of claim 13, characterized in that the second reinforcement includes an end plate and an intermediate connection member, the end plate being connected to the second top plate and the second bottom plate, respectively, the intermediate connection member being disposed between the end plates.

15. The electric vehicle of claim 14, characterized in that the intermediate connector comprises a second C-shaped plate and a third flange extending outwardly from both ends of the opening of the second C-shaped plate, the second C-shaped plate being connected to the second side plate, the opening of the second C-shaped plate being oriented toward the quick-change bracket.

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