CN209766500U - Installation frame, battery module mounting bracket, battery package and vehicle - Google Patents

Abstract

The utility model relates to a battery package technical field discloses an installation frame, battery module mounting bracket, battery package and vehicle. The installation frame includes tie-beam and a plurality of crossbeam that relative interval arranged, and a plurality of crossbeams interval arrangement are between the tie-beam, and the both ends of a plurality of crossbeams are connected respectively in the tie-beam that each end corresponds, and the interval between at least some crossbeams is as a plurality of battery module installation space to the bottom of crossbeam is provided with water-cooling board connection structure. The water-cooling board sets up the diapire in order to regard as a plurality of battery module installation space in the bottom of crossbeam through water-cooling board connection structure for whole battery package only dispels the heat and cools off with a monoblock water-cooling board, reduces the water pipe quantity of water-cooling board, has reduced manufacturing cost, simplifies the manufacturing procedure of installation frame, and reduction in production cost only needs to connect two tie-beams and a plurality of crossbeam and can form the installation frame. The installation frame can reduce the cost of battery package, promotes the security, simplifies the assembly flow.

Description

Installation frame, battery module mounting bracket, battery package and vehicle

Technical Field

The utility model relates to a battery package technical field, in particular to installation frame, a battery module mounting bracket, a battery package and a vehicle.

background

Along with the improvement of the life quality of people, the popularization rate of vehicles is higher and higher, and meanwhile, along with the improvement of environmental protection consciousness, new energy automobiles such as hybrid electric vehicles and pure electric vehicles are greatly developed. The power battery is used as a power source of the new energy automobile, and the quality of the performance of the power battery is crucial to the endurance mileage and the power performance of the new energy automobile. However, the battery pack, as a key component of the electric vehicle, occupies most of the cost of the electric vehicle, so that the electric vehicle has higher purchase cost and maintenance cost than the conventional fuel vehicle, and is inconvenient to maintain, and therefore, reducing the production cost of the electric vehicle has a great effect on promoting the motorization of the vehicle.

at present, most of power battery packs are of aluminum profile structures, the process of finished parts is complex, and the production cost is high. For example, the lower casing formula structure as an organic whole of battery package, in case the casing suffers the collision or extrudees and causes the destruction down, can directly endanger the electric part and the battery module inside, causes the potential safety hazard, and increases cost of maintenance. In addition, the battery pack adopts a split type water cooling plate, and the split type water cooling plate needs more positioning and mounting structures, leads out a large amount of water pipes and occupies the internal space of the battery pack.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing an installation frame, this installation frame can reduce the cost of battery package, promotes the security, simplifies the assembly flow.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

the utility model provides a mounting frame, the mounting frame includes relative interval arrangement's tie-beam and a plurality of crossbeam, and is a plurality of the crossbeam interval is arranged between the tie-beam, and is a plurality of the both ends of crossbeam are connected respectively in respective end corresponding the tie-beam, wherein, at least partly interval between the crossbeam is as a plurality of battery module installation spaces, and the bottom of crossbeam is provided with water-cooling board connection structure.

Compared with the prior art, the utility model discloses an in the installation frame, because the installation frame includes tie-beam and crossbeam, and the bottom of crossbeam is provided with water-cooling board connection structure, like this, the water-cooling board can set up the diapire in order to regard as a plurality of battery module installation space in the bottom of crossbeam through this water-cooling board connection structure, make whole battery package only dispel the heat and cool off with a monoblock water-cooling board, reduce the water pipe quantity of water-cooling board for prior art, the simplified structure, and the production cost is reduced, the space occupancy to battery package inside has been reduced. Meanwhile, through the arrangement of the cross beams and the connecting beams, the manufacturing process of the mounting frame can be simplified, the production cost is reduced, and the mounting frame can be formed only by connecting the two connecting beams and the cross beams. Like this, this installation frame can reduce the cost of battery package, promotes the security, simplifies the assembly flow.

Further, the water-cooling plate connecting structure is a threaded hole.

further, the bottom end of the cross beam is provided with a nut.

Still further, the crossbeam is the pipe fitting that has the inner chamber, and wherein, the nut is located the inner chamber and sets up on the chamber diapire of inner chamber.

In addition, two ends of the cross beam respectively form a ladder-shaped lap joint matching structure with the connecting beam corresponding to each end.

Further, the connecting beam comprises a transverse plate part and a vertical plate part, and the edge of the vertical plate part, which is far away from the transverse plate part, is connected with a transverse supporting flange; the two ends of the cross beam are respectively provided with a lapping convex arm extending along the length direction of the cross beam; the lap joint convex arm is lapped on the transverse plate portion, the end face of the cross beam abuts against the vertical plate portion, and the bottom face of the cross beam is lapped on the transverse support flanging.

furthermore, the edge of the transverse plate part, which is far away from the vertical plate part, is connected with a vertical limiting flanging, and the end surface of the lap joint convex arm abuts against the vertical limiting flanging.

additionally, the utility model provides a battery module mounting bracket, battery module mounting bracket includes above arbitrary installation frame and water-cooling board, wherein, the water-cooling board passes through water-cooling board connection structure fixed mounting is in the bottom of crossbeam is in order to be a plurality of battery module installation space's diapire.

therefore, the cost of the battery pack can be reduced, the safety is improved, and the assembly process is simplified.

Furthermore, the utility model provides a battery pack, battery pack including hold support shell, battery module and above the battery module mounting bracket, wherein, the battery module is located in the battery module installation space and setting are in on the water-cooling board, the installation frame sets up hold in the support shell.

The installation spaces of the plurality of battery modules are arranged at intervals, the installation frame is arranged in the accommodation supporting shell, so that when the battery pack is collided or extruded, the accommodation supporting shell and the installation frame provide first protection, the space wall of the installation space of the battery modules arranged at intervals provides second protection, and the installation space of the battery module at one position cannot be deformed or only slightly deformed after being deformed, so that double buffering protection can be provided for the battery modules arranged in the installation space of the battery modules, the protection performance and the safety are improved, the later maintenance cost is reduced, meanwhile, the water cooling plate is used as the bottom wall of the installation space of all the battery modules, the whole battery pack only uses one whole water cooling plate for heat dissipation and cooling, the number of water pipes of the water cooling plate is reduced compared with the prior art, and the structure is simplified, the production cost is reduced, and the space occupancy rate of the interior of the battery pack is reduced. Like this, can reduce the cost of battery package, promote security and replacement nature, simplify the assembly flow.

finally, the utility model provides a vehicle, the vehicle is provided with foretell battery package. In this way, the overall quality of the vehicle is significantly improved.

Other features and advantages of the present invention will be described in detail in the detailed description which follows.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is an exploded view of a battery pack according to an embodiment of the present invention, wherein an installation frame according to an embodiment of the present invention is shown;

FIG. 2 is an enlarged schematic view of one of the circles in FIG. 1;

FIG. 3 is an enlarged schematic view of another circle in FIG. 1;

FIG. 4 is an enlarged schematic view of a further circle in FIG. 1;

Fig. 5 is an exploded view of the receiving support case of fig. 1;

Fig. 6 is an assembled state view of the receiving support case of fig. 5, in which parts are omitted;

FIG. 7 is a cross-sectional structural view of one location of the containment support shell of FIG. 5;

fig. 8 is a perspective view of the inner housing of fig. 5;

Fig. 9 is a schematic perspective view of the protective cover of fig. 1;

Fig. 10 is an exploded view of the mounting frame of fig. 1;

FIG. 11 is a cross-sectional schematic view of the beam of FIG. 10;

Fig. 12 is a schematic view of the battery module ready to be fitted into the battery module installation space and disposed on the water-cooling plate;

fig. 13 is a schematic view of a mounting frame provided with battery modules ready to be fitted into a receiving support case;

Fig. 14 is a schematic view of the battery pack of fig. 1 in an assembled configuration.

Description of reference numerals:

1-cover shell, 2-receiving support shell, 3-sealing cover plate, 4-sealing plate, 5-connecting plate, 6-straight side plate, 7-curved corner plate, 8-cover side wall, 9-cover shell connecting flange, 10-receiving support shell side wall, 11-receiving support shell connecting flange, 12-inner beam, 13-supporting flange, 14-inner cavity, 15-transverse supporting beam, 16-outer beam, 17-outer cavity, 18-vertical straight part, 19-hoisting beam, 20-receiving cavity, 21-straight connecting beam, 22-inner support, 23-flat plate, 24-flange support leg, 25-connecting beam, 26-cross beam, 27-battery module mounting space, 28-nut, 29-transverse plate part, 30-vertical plate part, 31-transverse supporting flange, 32-lap joint convex arm, 33-vertical limiting flange, 34-water cooling plate, 35-battery module, 36-support plate, 37-outer beam bottom flange, 38-explosion-proof exhaust port, 39-protective cover, 40-explosion-proof tearing groove, 41-mounting frame and 42-vertical supporting beam part.

Detailed Description

in the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.

The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.

Referring to the structures shown in fig. 1, 10, 11 and 12, the present invention provides a mounting frame 41 including a plurality of cross beams 26 and a connecting beam 25 arranged at a relative interval, wherein the plurality of cross beams 26 are arranged between the connecting beams 25 at an interval, and both ends of the plurality of cross beams 26 are respectively connected to the connecting beams 25 corresponding to the respective ends, wherein at least a part of the cross beams 26 are arranged as a plurality of battery module mounting spaces 27, and the bottom ends of the cross beams 26 are provided with a water-cooling plate connecting structure.

In this installation frame 41, because installation frame 41 includes tie-beam 25 and crossbeam 26, and the bottom of crossbeam 26 is provided with water-cooling board connection structure, like this, water-cooling board 34 can set up the diapire in order to regard as a plurality of battery module installation space 27 at the bottom of crossbeam 26 through this water-cooling board connection structure, make whole battery package only dispel the heat and cool off with a monoblock water-cooling board 34, reduce the water pipe quantity of water-cooling board for prior art, the simplified structure, and the production cost is reduced, the space occupancy to the battery package inside has been reduced. Meanwhile, by such an arrangement of the plurality of cross members 26 and the connecting beams 25, the manufacturing process of the mounting frame can be simplified, the production cost can be reduced, and the mounting frame 41 can be formed by connecting only two connecting beams 25 and the plurality of cross members 26. The space wall of a plurality of battery module installation space of interval arrangement provides the protection for can not make the battery module installation space of other departments warp or only take place slight deformation after the battery module installation space of a department warp, like this, can provide the buffering protection to the battery module that sets up in battery module installation space, promote protectiveness and security, reduced later stage cost of maintenance. Like this, this installation frame can reduce the cost of battery package, promotes the security, simplifies the assembly flow.

Of course, this water-cooling board connection structure also can have multiple forms, for example can be for the joint structure, or for the assembly welding portion, or for the screw hole, like this, can pass water-cooling board 34 and screw hole cooperation through threaded fastener such as bolt, can be with water-cooling board 34 fixed connection in the bottom of crossbeam 26.

Alternatively, the threaded hole may be formed directly in the beam 26, for example, the beam 26 is a tube, the inner cavity of the tube is formed with a boss, the threaded hole is formed in the wall and the boss of the tube, or the bottom end of the beam 26 is provided with a nut 28.

further, or in order to reduce weight, as shown in fig. 11, the cross member 26 is a tube having an inner cavity, wherein the nut 28 is located in the inner cavity and disposed on a cavity bottom wall of the inner cavity. In this way, the inner cavity of the pipe member can also absorb impact force to improve the protection of the cross member 26 against the battery module.

In addition, the cross beam 26 may be assembled on the connecting beam 25 through various mounting structures, such as a clamping structure, a bolt connection, a welding connection, or a stepped overlapping structure formed by two ends of the cross beam 26 and the corresponding connecting beam 25. Thus, the stepped lap joint structure can ensure the stability and reliability of the assembly of the cross beam 26 and the connecting beam 25, and can be sequentially collapsed from outside to inside or from top to bottom to buffer the impact force when the battery pack is impacted laterally or vertically, thereby improving the safety of the battery pack.

further, in the stepped lap joint fitting structure, a pre-positioning groove or protrusion extending in the circumferential direction is formed on the upper surface of the step of one of the cross beam 26 and the connecting beam 25, and a pre-positioning protrusion or groove is formed on the lower surface of the step of the other one of the cross beam 26 and the connecting beam 25, which is correspondingly fitted, so that the accuracy and stability of the assembly of the cross beam 26 and the connecting beam 25 can be further improved through the matching of the pre-positioning groove and the pre-positioning protrusion between the pre-positioning groove and the pre-positioning protrusion.

in addition, as shown in fig. 3 and 10, the connecting beam 25 includes a lateral plate portion 29 and a vertical plate portion 30, and a lateral support flange 31 is connected to an edge of the vertical plate portion 30 away from the lateral plate portion 29; the two ends of the cross beam 26 are respectively provided with a lapping convex arm 32 extending along the length direction of the cross beam; as shown in fig. 3, the overlapping projecting arms 32 overlap the horizontal plate portions 29, the end surfaces of the cross members 26 abut the vertical plate portions 30, and the bottom surfaces of the cross members 26 overlap the horizontal support flanges 31 and are then welded or fastened by bolts.

As shown in fig. 3, a vertical limit flange 33 is connected to an edge of the horizontal plate portion 29 that is away from the vertical plate portion 30, and an end surface of the lap projection arm 32 abuts on the vertical limit flange 33. Like this, vertical spacing turn-ups 33 can be further spacing to crossbeam 26, promotes stability, for example, when the welding, the welding seam can extend along the butt limit seam of overlap joint flange 32 with vertical spacing turn-ups 33 to increase the length of welding seam, promote welded connection's reliability and stability.

In addition, the utility model provides a battery module mounting bracket, as shown in fig. 1 and 12, battery module mounting bracket above arbitrary installation frame and water-cooling plate 34, wherein, water-cooling plate 34 passes through water-cooling plate connection structure fixed mounting in order to be the diapire of a plurality of battery module installation space 27 in the bottom of crossbeam 26.

Like this, as above, this battery module mounting bracket can reduce the cost of battery package, promotes the security, simplifies the assembly flow.

In addition, the utility model provides a battery pack, refer to fig. 1, fig. 6 and fig. 13, this battery pack including hold support shell 2, battery module 35 and above the battery module mounting bracket, wherein, battery module 35 is located battery module installation space 27 and sets up on water-cooling board 34, further, has arranged heat-conducting medium between battery module 35 and the water-cooling board 34, for example heat-conducting glue, installation frame 41 sets up and is holding in support shell 2.

In this way, the plurality of battery module installation spaces 27 are arranged at intervals from each other, and the installation frame 41 is disposed in the accommodation support case 2, so that when the battery pack is collided or extruded, the accommodation support case 2 and the installation frame 41 provide a first protection to buffer impact force, and the space wall of the battery module installation spaces 27 arranged at intervals provides a second protection, so that the battery module installation space 27 at one location is not deformed or only slightly deformed, so that the battery module 35 disposed in the battery module installation space 27 can be provided with double buffering protection, the protection and safety are improved, the later maintenance cost is reduced, for example, only the accommodation support case 2 can be replaced, and meanwhile, the water cooling plate 34 serves as the bottom wall of all the battery module installation spaces 27, so that the whole battery pack can be cooled and cooled by only one water cooling plate, compared with the prior art, the number of water pipes of the water cooling plate is reduced, the structure is simplified, the production cost is reduced, and the space occupancy rate of the interior of the battery pack is reduced. Like this, can reduce the cost of battery package, promote security and replacement nature, simplify the assembly flow.

As shown in fig. 12, before the mounting frame 41 is fitted into the receiving support case 2, the water-cooled plate 34 may be fixedly mounted at the bottom end of the cross member of the mounting frame 41 to serve as the bottom wall of the battery module mounting space 27, and then the respective battery modules 35 are fitted into the required respective battery module mounting spaces 27 to form a battery module mounting assembly, which is then fitted into the receiving support case 2, as shown in fig. 13, so that the water-cooled plate 34 may serve as the bottom wall of the entire battery pack, that is, the bottom outer case of the battery pack.

In addition, alternatively, the water-cooled plate 34 may also be connected to the receiving support case 2 at the same time.

Of course, in other alternative embodiments of the battery pack, the mounting frame 41 may be assembled in the accommodating and supporting case 2 through various mounting structures, for example, a clamping structure, a bolt connection, a welding connection, or a stepped overlapping structure formed between the mounting frame 41 and the accommodating and supporting case 2, so that the stability and reliability of the assembly of the mounting frame 41 and the accommodating and supporting case 2 can be improved through the stepped overlapping structure, and the stepped overlapping structure can be sequentially collapsed from the outside to the inside or from the top to the bottom to buffer the impact force when a lateral impact or a vertical impact is applied, thereby improving the safety of the battery pack.

Further, in the stepped lap-joint fitting structure, a pre-positioning groove or protrusion extending circumferentially is formed on the upper surface of the step of one of the mounting frame 41 and the accommodating support case 2, and a pre-positioning protrusion or groove is formed on the lower surface of the step of the other one of the mounting frame 41 and the accommodating support case 2, which corresponds to the fitting, so that the accuracy and stability of the assembly of the mounting frame 41 and the accommodating support case 2 can be further improved by the fitting of the pre-positioning groove and the pre-positioning protrusion therebetween.

In addition, as shown in fig. 1, 2 and 3 and 7, the accommodating support shell 2 is provided with a transverse support beam portion 15 extending outward and a support flange 13 extending inward, and a vertical support beam portion 42 located between the transverse support beam portion 15 and the support flange 13; the mounting frame 41 includes a lateral plate portion 29 and a vertical plate portion 30, and a lateral support flange 31 is connected to an edge of the vertical plate portion 30 away from the lateral plate portion 29; wherein, the horizontal plate portion 29 overlap joint is fixed on horizontal support beam portion 15, and vertical plate portion 30 butt in vertical support beam portion 42, and horizontal support turn-ups 31 butt is fixed on supporting turn-ups 13, and further, the front end that horizontal support turn-ups 31 aligns with the front end that supports turn-ups 13. The mounting frame 41 may then be securely attached within the containment support shell 2 by fasteners such as studs, bolts or screws. At this time, a step-like lap-joint engagement structure of one structural form is formed between the lateral support beam portion 15, the support flange 13, and the vertical support beam portion 42 and the lateral plate portion 29, the vertical plate portion 30, and the lateral support flange 31.

Here, it should be understood that the receiving support shell 2 may be formed by a plurality of structures of the lateral support beam portion 15, the support flange 13 and the vertical support beam portion 42, for example, in one structure form, the receiving support shell side wall 10 of the receiving support shell 2 may be formed by bending itself. Alternatively, in another form, as shown in fig. 2, 5, 6 and 7, the accommodating support shell 2 comprises an accommodating support shell side wall 10 and an inner beam 12, wherein the lower edge of the accommodating support shell side wall 10 is provided with an inwardly extending support flange 13; the inner beam 12 comprises a transverse supporting beam part 15 and a vertical supporting beam part 42, one end of the transverse supporting beam part 15 can be directly connected to the inner side surface of the accommodating supporting shell side wall 10 or connected to the inner side surface of the accommodating supporting shell side wall 10 through a flange at the edge of the transverse supporting beam part 15, an inner beam bottom flange 35 is arranged at the edge of the vertical supporting beam part 42, which is far away from the transverse supporting beam part 15, and the inner beam bottom flange 35 is connected to the supporting flange 13 to form an overlapping layer, so that an inner cavity 14 is formed between the inner beam 12 and the accommodating supporting shell side wall 10; this stack functions as the support flange 13 described above, i.e. the lateral support flange 31 is fixed in abutment against the inner sill flange 35. At this time, the stack can increase the strength of the housing support case 2 itself, and the inner cavity 14 can serve as an impact buffer chamber to absorb lateral or vertical impact.

Further, as shown in fig. 2, 5, 6 and 7, the receiving and supporting case 2 includes an outer beam 16 connected to the outside of the receiving and supporting case side wall 10, and an outer cavity 17 is formed between the outer beam 16 and the receiving and supporting case side wall 10, so that the outer cavity 17 can serve as an impact buffering chamber to absorb lateral or vertical impact force, thereby improving the safety and protection of the battery module; the outer beam 16 includes a vertical straight portion 18 and an outer beam bottom flange 37, the inclined portion of the vertical straight portion 18 at its edge is directly connected to the outside surface of the support case side wall 10 or connected to the outside surface of the support case side wall 10 through the flange of the inclined portion at its edge, and the outer beam bottom flange 37 extends and is connected to the outside surface of the support flange 13, so that the outer beam bottom flange 37 can form three layers of superimposed layers together with the inner beam bottom flange 35 and the support flange 13, which can further improve the strength of the self-body of the support case 2.

Of course, the outer beam 16 and the inner beam 12 may be arranged on only one pair of the accommodating support case side walls 10 opposed to the accommodating support case 2 at the same time, may be arranged on two pairs of the accommodating support case side walls 10 opposed to the accommodating support case 2 at the same time, or the outer beam 16 may be arranged on one pair of the accommodating support case side walls 10 opposed to the accommodating support case 2 while the inner beam 12 is arranged on the other pair of the accommodating support case side walls 10 opposed to the accommodating support case 2.

In addition, in order to facilitate the assembly of the battery pack, as shown in fig. 5, 6 and 7, the outer sides of at least one pair of the oppositely disposed outer beams 16 receiving the support case 2 are provided with lifting beams 19, wherein one side of the lifting beam 19 is connected to the outer side surface of the vertical straight portion 18, and the other end of the lifting beam 19 is extended and connected to the outer side surface of the outer beam burring 37, so that the receiving cavity 20 is formed between the lifting beam 19 and the outer beam 16. In this way, the battery pack can be mounted to a mounting base, such as the frame of a vehicle, by the lifting beam 19. Meanwhile, the accommodation chamber 20 may also serve as an impact buffering chamber to absorb lateral or vertical impact force.

Further, in order to improve the installation strength of the installation point of the hoist beam 19, it is preferable that the hoist beam 19 includes a straight connection beam portion 21, and an edge of the straight connection beam portion 21 may be directly connected on an outer side surface of the vertical straight portion 18, or an edge of the straight connection beam portion 21 is formed with a burring connected on an outer side surface of the vertical straight portion 18, as shown in fig. 5, 7, and 8. And a plurality of inner brackets 22 are arranged in the accommodating cavity 20 at intervals in the length direction of the hoisting beam, wherein a flat plate portion 23 of each inner bracket 22 is connected to the inner side surface of the straight connecting beam portion 21 to improve the mounting strength of the mounting point, and flanged support legs 24 of the side walls on both sides of the flat plate portion 23 are connected to the outer side surface of the vertical straight portion 18 to provide sufficient support strength for the inner brackets 22.

In addition, as shown in fig. 1 and 5, the outer beam 16 is disposed around the entire circumferential direction of the housing support shell; for example, the outer beam 16 includes side straight beam sections and corner arc beam sections to correspond to the extended shape of the receiving support case side wall 10 of the receiving support case 2. Meanwhile, as shown in fig. 5 and 9, the accommodating support case side wall 10, the inner beam 12 and the outer beam 16 are formed with corresponding explosion-proof vents 38, wherein a protective cover 39 capable of covering the explosion-proof vents 38 is provided on an outer side surface of the outer beam 16 to prevent dust accumulation caused by the explosion-proof vents 38 formed by the installation of the explosion-proof valve on the outer beam 16, wherein the protective cover 39 is shaped to extend following the shape of the outer beam 16 to ensure tight fitting so as to be directly snapped onto the outer beam 16, and an extended explosion-proof tear groove 40 is formed in a region of the protective cover 39 corresponding to the explosion-proof vents 38 to form a weak region so as to facilitate positioning explosion when the explosion-proof valve of the battery pack is opened, thereby improving safety.

In addition, as shown in fig. 5 and 7, the accommodating support case side wall 10 is provided at an upper edge thereof with an accommodating support case connecting flange 11 extending outward, wherein a support plate 36 is provided on a lower side surface of the accommodating support case connecting flange 11. The support plate 36 can improve the rigidity and mode of the receiving support case connecting flange 11 and reduce deformation of the seal face of the stack connection between the receiving support case 2 and the lid case 1 described below.

Further, one end of the support plate 36 facing the accommodating support case side wall 10 is formed with a butt plate portion that abuts on a transition portion between the accommodating support case side wall 10 and the accommodating support case connecting flange 11, wherein the shape of the butt plate portion is adapted to the shape of the transition portion. In this way, the strength of the transition between the housing support case side wall 10 and the housing support case connecting flange 11 can be increased, and the deformation of the housing support case connecting flange 11 can be further reduced.

Further, or alternatively, as shown in fig. 1, the battery pack includes a cover case 1, wherein the cover case 1 is formed with a first connecting side extending in a circumferential direction of the cover case 1, and the receiving support case 2 is formed with a second connecting side extending in the circumferential direction of the receiving support case 2, wherein the first connecting side is stacked on the second connecting side and connected by a fastening member passing through the first connecting side and the second connecting side, so that the connection site will form a sealing surface; wherein the battery pack further comprises a sealing cap plate 3 covering the lamination seam between the first connecting edge and the second connecting edge. Like this, owing to sealed 3 overburden lap joints of apron, just can promote the waterproof, the dustproof performance of battery package, simultaneously, sealed apron 3 can also improve the structural strength and the mode of the whole packet of sealed limit of battery package, reduces the structural deformation of battery package.

Of course, the sealing cap plate 3 may be directly covered on the outer side surface of the battery pack to cover the overlapped seam, or, as shown in fig. 4, the sealing cap plate 3 includes a sealing plate portion 4 and a connecting plate portion 5, wherein the connecting plate portion 5 is laminated with the first connecting edge and the second connecting edge, and the fastening member passes through the connecting plate portion 5; and the sealing plate portion 4 covers the lap seam. In this way, the web portion 5 can further enhance the connection strength at the stacking connection between the housing support case 2 and the cover case 1.

In addition, the sealing cover 3 includes various forms, for example, as shown in fig. 4, the sealing cover 3 is an L-shaped cover, a vertical plate portion of the L-shaped cover is a connecting plate portion 5 and is laminated on an upper outer surface of the first connecting side, and a horizontal plate portion of the L-shaped cover is a sealing plate portion 4; or, in another form, the sealing cover plate 3 is a T-shaped cover plate, the vertical plate part of the T-shaped cover plate is a connecting plate part 5 and is stacked between the first connecting edge and the second connecting edge, and the top plate part of the T-shaped cover plate is a sealing plate part 4; alternatively, in another form, the sealing cover 3 is a U-shaped cover, the two side plate portions of the U-shaped cover are the connecting plate portions 5 and are respectively stacked on the upper outer surface of the first connecting edge and the lower outer surface of the second connecting edge, the bottom plate portion of the U-shaped cover is the sealing plate portion 4, and the sealing protection performance of the U-shaped cover can be further improved.

Furthermore, as shown in fig. 1, the first and second connecting edges comprise straight side edge sections and curved corner edge sections, and correspondingly, as shown in fig. 4, the sealing cover plate 3 comprises straight side plate sections 6 corresponding to the straight side edge sections and curved corner plate sections 7 corresponding to the curved corner edge sections, so as to be adapted to accommodate variations in the circumferentially extending shape of the support shell 2 and the cover shell 1.

In addition, straight side board section 6 and arc turning board section 7 can directly dock, or be formed with the cooperation groove on the terminal surface of one in straight side board section 6 and the arc turning board section 7, be formed with the cooperation protrusion on the terminal surface of another in straight side board section 6 and the arc turning board section 7, wherein, cooperation protrusion cooperation is to the cooperation inslot when straight side board section 6 and the butt joint of arc turning board section 7. Like this, this kind of cooperation relation of cooperation protrusion and cooperation groove not only can make and form the butt joint seam of buckling between straight side board section 6 and the arc turning board section 7, promotes sealed protectiveness, can also promote the cooperation stability between straight side board section 6 and the arc turning board section 7.

Furthermore, as shown in fig. 1, the lid shell 1 comprises a lid plate and a lid side wall 8, the lid side wall 8 being turned outwards away from the edge of the lid plate to form a lid shell connecting flange 9 as a first connecting edge; the upper edge of the accommodating support shell side wall 10 of the accommodating support shell 2 is turned outwards to form an accommodating support shell connecting flange 11 as a second connecting edge; wherein the cover shell connecting flange 9 is arranged on the accommodating support shell connecting flange 11.

The utility model also provides a vehicle, this vehicle is provided with foretell battery package. In this way, the overall quality of the vehicle is significantly improved.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. The mounting frame is characterized by comprising connecting beams (25) and a plurality of cross beams (26) which are oppositely arranged at intervals, wherein the cross beams (26) are arranged between the connecting beams (25) at intervals, two ends of the cross beams (26) are respectively connected to the connecting beams (25) with corresponding ends, at least one part of the interval between the cross beams (26) serves as a plurality of battery module mounting spaces (27), and the bottom ends of the cross beams (26) are provided with water cooling plate connecting structures.

2. The mounting frame of claim 1, wherein the water-cooled plate connection structure is a threaded hole.

3. Mounting frame according to claim 2, characterized in that the bottom end of the cross beam (26) is provided with a nut (28).

4. The mounting frame according to claim 3, wherein the cross beam (26) is a tube having an inner cavity, wherein the nut (28) is located within the inner cavity and is arranged on a cavity bottom wall of the inner cavity.

5. Mounting frame according to any of the claims 1-4, characterised in that the cross beams (26) at both ends form a stepped lap fit with the respective connecting beam (25) at their respective ends.

6. mounting frame according to claim 5, wherein the connecting beam (25) comprises a transverse plate portion (29) and a vertical plate portion (30), the edge of the vertical plate portion (30) remote from the transverse plate portion (29) being connected with a transverse support flange (31);

Overlapping convex arms (32) extending along the length direction of the cross beam are respectively formed at two ends of the cross beam (26);

The lap joint convex arm (32) is lapped on the transverse plate part (29), the end face of the cross beam (26) abuts against the vertical plate part (30), and the bottom face of the cross beam (26) is lapped on the transverse support flanging (31).

7. The mounting frame according to claim 6, wherein the edge of the transverse plate part (29) remote from the vertical plate part (30) is connected with a vertical limit flange (33), and the end surface of the overlap convex arm (32) abuts against the vertical limit flange (33).

8. A battery module mounting frame, characterized in that the battery module mounting frame comprises the mounting frame of any one of claims 1-7 and a water-cooling plate (34), wherein the water-cooling plate (34) is fixedly mounted at the bottom end of the cross beam (26) by means of the water-cooling plate connection structure as a bottom wall of the plurality of battery module mounting spaces (27).

9. A battery pack, characterized in that the battery pack comprises a receiving support housing (2), a battery module (35) and a battery module mounting frame according to claim 8, wherein the battery module (35) is located in the battery module mounting space (27) and is arranged on the water-cooled plate (34), and the mounting frame (41) is arranged in the receiving support housing (2).

10. A vehicle, characterized in that the vehicle is provided with the battery pack according to claim 9.