CN212303800U

CN212303800U - Supporting component, battery pack shell with same and vehicle

Info

Publication number: CN212303800U
Application number: CN202021491716.3U
Authority: CN
Inventors: 田雨蒙; 耿辉; 郑伟
Original assignee: Human Horizons Jiangsu Power Battery System Co Ltd
Current assignee: Human Horizons Jiangsu Power Battery System Co Ltd
Priority date: 2020-07-24
Filing date: 2020-07-24
Publication date: 2021-01-05
Anticipated expiration: 2030-07-24

Abstract

The embodiment of the application provides a supporting component and have its battery package casing, vehicle, wherein, supporting component is used for the battery package casing, and supports between the upper cover body and the lower casing of battery package casing, and supporting component includes: the crossbeam is arranged on the lower shell; the supporting block is arranged at the upper end of the cross beam and used for supporting the upper cover body; the connecting sleeve penetrates through the cross beam and the supporting block from bottom to top in sequence, the connecting sleeve is in threaded connection with the supporting block, a flange is arranged at the lower end of the connecting sleeve, and the flange abuts against the lower end of the cross beam. According to the supporting component, the connecting sleeve is simple in structure, the assembling process of the supporting block and the cross beam can be simplified, and the connecting reliability is improved; and moreover, the upper cover body and the cross beam can be fixedly connected by adopting the supporting block, so that the strength and the rigidity of the overall structure of the battery pack shell are improved.

Description

Supporting component, battery pack shell with same and vehicle

Technical Field

The application relates to the technical field of electric automobiles, in particular to a supporting assembly, a battery pack shell with the same and a vehicle with the same.

Background

At present, the traditional fuel oil vehicles are gradually replaced by new energy vehicles, wherein pure electric vehicles are rapidly developed as the new energy vehicles, a plurality of traditional fuel oil vehicle platforms directly change fuel oil into batteries through an oil-to-electricity mode, and the light weight of the battery pack is related to the energy density of the battery pack. The battery is used as a power source of a whole vehicle, the safety performance of the battery is very important, and in order to solve the anxiety of endurance mileage, the size of the same battery needs to be increased to improve the energy density.

In the related art, the upper shell of the battery pack shell is usually made of metal plate stamping or composite materials, and is thin and poor in rigidity, so that the strength and rigidity of the whole structure of the battery pack are poor.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a support assembly, a battery pack shell with the support assembly and a vehicle with the support assembly, so as to solve or alleviate one or more technical problems in the prior art.

In a first aspect, an embodiment of the present application provides a support assembly for a battery pack case, and supported between an upper cover and a lower cover of the battery pack case, the support assembly including:

the crossbeam is arranged on the lower shell;

the supporting block is arranged at the upper end of the cross beam and used for supporting the upper cover body;

the connecting sleeve penetrates through the cross beam and the supporting block from bottom to top in sequence, the connecting sleeve is in threaded connection with the supporting block, a flange is arranged at the lower end of the connecting sleeve, and the flange abuts against the lower end of the cross beam.

In one embodiment, the cross beam is provided with a first through hole penetrating through the cross beam in the up-down direction;

the supporting block is provided with a second through hole which penetrates through the supporting block in the vertical direction;

the connecting sleeve penetrates through the first through hole and the second through hole, wherein the outer wall surface of the connecting sleeve is in threaded connection with the inner wall surface of the second through hole.

In one embodiment, the support block includes a top plate and two side plates, the two side plates are respectively formed by two side edges of the top plate in the width direction and extend downwards, and the second through hole is formed in the top plate.

In one embodiment, the two side plates are respectively provided with a limiting bulge, the limiting bulge is formed by inwards bulging the inner wall surfaces of the side plates, and the two limiting bulges are respectively supported at the upper end of the cross beam.

In one embodiment, the distance between the two side plates is greater than the width of the upper end of the cross beam, and the two side plates are respectively connected with the upper end of the cross beam in a welding mode.

In one embodiment, the interior of the beam is provided with a plurality of cavities that extend through the beam in the direction of its length.

In one embodiment, the supporting blocks are multiple and are arranged at intervals along the length direction of the cross beam;

the connecting sleeves are multiple and are arranged in one-to-one correspondence with the supporting blocks.

In one embodiment, the upper cover body is provided with a third through hole penetrating through the upper cover body in the up-down direction, and the support assembly further comprises:

go up the lid mounting, the upper end of going up the lid mounting is equipped with the nut flange, and the lower extreme of going up the lid mounting stretches into the inside of connecting sleeve through the third through-hole, and the internal face threaded connection of the outer wall face of going up the lid mounting and connecting sleeve, nut flange butt in the upper surface of last lid.

In one embodiment, the upper cover fixing member is provided with a fourth through hole penetrating therethrough in the up-down direction, and the support assembly further includes:

the automobile body connecting piece, the lower extreme of automobile body connecting piece is equipped with the backstop flange, and the automobile body connecting piece wears to locate the inside of connecting sleeve, and the upper end of automobile body connecting piece passes connecting sleeve and fourth through-hole in proper order and stretches out to the top of upper cover body, and the backstop flange butt is in the lower extreme of connecting sleeve, and wherein, the part that is located the top of upper cover body of automobile body connecting piece is suitable for the automobile body with the vehicle and links to each other.

In one embodiment, a sealing ring is disposed between the nut flange of the upper cover fixture and the upper surface of the upper cover.

In a second aspect, an embodiment of the present application provides a battery pack case, including:

an upper cover body and a lower shell;

according to the support assembly of the above-mentioned embodiment of the present application, the support assembly is supported between the upper cover and the lower cover.

In a third aspect, embodiments of the present application provide a vehicle including a battery pack case according to the above-described embodiments of the present application.

According to the supporting component, the connecting sleeve is simple in structure, the assembling process of the supporting block and the cross beam can be simplified, and the connecting reliability is improved; and moreover, the upper cover body and the cross beam can be fixedly connected by adopting the supporting block, so that the strength and the rigidity of the overall structure of the battery pack shell are improved.

The foregoing summary is provided for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments, and features described above, further aspects, embodiments, and features of the present application will be readily apparent by reference to the drawings and following detailed description.

Drawings

In the drawings, like reference numerals refer to the same or similar parts or elements throughout the several views unless otherwise specified. The figures are not necessarily to scale. It is appreciated that these drawings depict only some embodiments in accordance with the disclosure and are therefore not to be considered limiting of its scope.

FIG. 1 illustrates a schematic structural view of a support assembly according to an embodiment of the present application;

FIG. 2 illustrates a cross-sectional view of a support assembly according to an embodiment of the present application;

FIG. 3 illustrates a schematic structural view of a connection sleeve of a support assembly according to an embodiment of the present application;

FIG. 4 illustrates a schematic structural view of a support block of a support assembly according to an embodiment of the present application;

fig. 5 is a schematic structural diagram illustrating an upper cover fixing member of a support assembly according to an embodiment of the present application.

Description of reference numerals:

a support assembly 100;

a cross member 10; a first through hole 11; a cavity 12; a first square portion 13; a second square portion 14; a third square portion 15;

a support block 20; a second through hole 21; a top plate 22; side plates 23; a first side plate 23 a; the second side plate 23 b; a limiting bulge 24;

a connecting sleeve 30; a flange 31; the inside threads 32; an outer thread 33;

a vehicle body attachment member 40; a stop flange 41;

an upper cover fixing member 50; a fourth through hole 51; a nut flange 52;

an upper cover body 200; and a third via 200 a.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present application. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

A support assembly 100 according to an embodiment of the present application is described below with reference to fig. 1-5. The support member 100 according to the embodiment of the present application may be used for a battery pack case, and the support member 100 is supported between an upper cover 200 and a lower cover (not shown) of the battery pack case.

As shown in fig. 1 and 2, the support assembly 100 includes a cross beam 10, a support block 20, and a connection sleeve 30.

Specifically, the cross member 10 is provided to the lower case. The supporting block 20 is provided at the upper end of the cross member 10 for supporting the upper cover 200. The connecting sleeve 30 sequentially penetrates through the cross beam 10 and the supporting block 20 from bottom to top, the connecting sleeve 30 is in threaded connection with the supporting block 20, a flange 31 is arranged at the lower end of the connecting sleeve 30, and the flange 31 abuts against the lower end of the cross beam 10.

In one example, the connection sleeve 30 is constructed in a hollow structure, and upper and lower ends of the connection sleeve 30 are open-disposed. A portion of the outer wall surface of the connection sleeve 30 adjacent to the upper end is adapted to be screw-coupled with the support block 20, a flange 31 is formed by projecting the lower edge of the connection sleeve 30 outward in the horizontal direction, and the upper surface of the flange 31 abuts against the lower end surface of the cross beam 10. Thereby, the supporting block 20 can be integrally connected with the cross member 10.

Further, the upper surface of the supporting block 20 may be constructed in a planar structure, and the lower surface of the upper cover 200 is disposed to be fitted with the upper surface of the supporting block 20, so that the supporting block 20 may be smoothly supported on the upper surface of the supporting block 20.

According to the support assembly 100 of the embodiment of the application, the structure of the connecting sleeve 30 is simple, the connecting and fixing between the cross beam 10 and the support block 20 can be realized by penetrating the connecting sleeve 30 through the cross beam 10 from bottom to top and connecting the connecting sleeve 30 with the support block 20 through threads, the connecting strength between the cross beam 10 and the support block 20 can be effectively improved, the assembling process of the support block 20 and the cross beam 10 is simplified, and the connecting reliability is improved; moreover, the support blocks 20 can be used for connecting and fixing the upper cover body 200 and the cross beam 10, which is beneficial to improving the strength and rigidity of the overall structure of the battery pack shell.

In one embodiment, as shown in fig. 2, the cross beam 10 is provided with a first through hole 11 penetrating therethrough in the up-down direction, and the support block 20 is provided with a second through hole 21 penetrating therethrough in the up-down direction. The connecting sleeve 30 is inserted into the first through hole 11 and the second through hole 21, wherein the outer wall surface of the connecting sleeve 30 is in threaded connection with the inner wall surface of the second through hole 21, and the diameter of the flange 31 is larger than that of the first through hole 11.

In one example, as shown in fig. 4, a portion of the outer wall surface of the connecting sleeve 30 adjacent to the upper end is provided with an outer thread 33, and the inner wall surface of the second through hole 21 is processed with a thread structure adapted to the outer thread 33. In the assembling process, the connecting sleeve 30 sequentially passes through the first through hole 11 and the second through hole 21 from bottom to top, the connecting sleeve 30 is screwed so that the outer threads 33 are in threaded connection with the inner wall surface of the second through hole 21, and the flange 31 at the lower end of the connecting sleeve 30 is abutted against the lower end surface of the cross beam 10, so that the cross beam 10 is connected and fixed with the supporting block 20.

In another example, a wire thread insert (not shown) may be further disposed in the second through hole 21, and the outer thread 33 of the connection sleeve 30 is threadedly connected with the wire thread insert.

Preferably, in order to ensure the sealing performance between the outer wall surface of the connecting sleeve 30 and the inner wall surface of the first through hole 11, the upper surface of the flange 31 and the lower end surface of the cross beam 10 may be connected by welding, so as to prevent external water and other impurities from entering between the upper surface of the flange 31 and the lower end surface of the cross beam 10, thereby ensuring the sealing performance of the battery pack case.

In one embodiment, as shown in fig. 1 and 2, the beam 10 is provided with a plurality of cavities 12 therein. Preferably, the cavity 12 extends through the cross beam 10 in the length direction of the cross beam 10. Illustratively, the cross-sectional shape of the cavity 12 may be rectangular. Thus, while the structural strength of the cross member 10 is ensured, the weight of the cross member 10 and the support assembly 100 can be reduced, thereby achieving a reduction in weight of the battery pack.

In one example, as shown in fig. 1 and 2, the cross-sectional shape of the cross-beam 10 is disposed in left-right symmetry in the width direction, and the left and right sides of the cross-section of the cross-beam 10 are respectively configured in a stepped shape. Specifically, the cross beam 10 may include a first square portion 13, a second square portion 14 and a third square portion 15 from top to bottom, the width of the first square portion 13 is smaller than the width of the second square portion 14, the first square portion 13 is disposed in the middle of the second square portion 14 in the width direction, the number of the third square portions 15 is two, and the two third square portions 15 are respectively connected to the outer side edges of the second square portion 14. Therefore, the beam 10 can be ensured to have better structural strength while the beam 10 is ensured to be light.

Further, the first through hole 11 penetrates the first square portion 13 and the second square portion 14 in order in the up-down direction, and the flange 31 of the connection sleeve 30 is adapted to abut on the lower end surface of the second square portion 14.

In one embodiment, as shown in fig. 3, the supporting block 20 includes a top plate 22 and two side plates 23 (i.e., a first side plate 23a and a second side plate 23b in the drawing), the two side plates 23 are respectively formed by extending downward from two side edges of the top plate 22 in the width direction, and the second through hole 21 is provided in the top plate 22. Wherein two side plates 23 are adapted to be coupled to the upper end of the cross member 10, and the upper surface of the top plate 22 is adapted to support the upper cover 200.

Alternatively, the distance between the two side plates 23 is greater than the width of the upper end of the cross beam 10, and the two side plates 23 are respectively welded to the upper end of the cross beam 10. Illustratively, the inner wall surfaces of the two side plates 23 are respectively attached to the two side wall surfaces of the first square portion 13, and the two side plates 23 may be respectively connected to the two side wall surfaces of the first square portion 13 of the cross beam 10 by MIG welding (Melt Inert-Gas welding). Thereby, the connection performance between the support block 20 and the cross member 10 can be further improved, thereby further improving the structural strength of the support assembly 100.

Alternatively, as shown in fig. 2 and 3, the two side plates 23 are respectively provided with a limiting protrusion 24, and the limiting protrusions 24 are formed by inward protrusions from the inner wall surfaces of the side plates 23, wherein the two limiting protrusions 24 are respectively supported on the upper end of the cross beam 10. It can be understood that the inner wall surface of the side plate 23 refers to the wall surface of the side plate 23 facing the side of the inner space between the two side plates 23, the limiting protrusion 24 may extend along the length direction of the supporting block 20, and the lower surface of the limiting protrusion 24 is disposed to be attached to the upper surface of the first square portion 13 of the cross beam 10. Thus, by providing the stopper projections 24 on the inner wall surfaces of the two side plates 23, the accuracy of the welding position can be ensured when welding the side plates 23 to the first square portion 13 of the cross beam 10.

In one embodiment, as shown in fig. 2, the upper cover 200 is provided with a third through hole 200a penetrating therethrough in the up-down direction, and the support assembly 100 further includes an upper cover fixing member 50. Wherein the third through hole 200a is aligned with the second through hole 21 of the supporting block 20.

Specifically, as shown in fig. 5, the upper end of the upper cover fixing member 50 is provided with a nut flange 52, the lower end of the upper cover fixing member 50 extends into the connecting sleeve 30 through the third through hole 200a, the outer wall surface of the upper cover fixing member 50 is screwed with the inner wall surface of the connecting sleeve 30, and the nut flange 52 abuts against the upper surface of the upper cover 200. The nut flange 42 is formed by protruding the upper end of the upper cover fixing member 50 outward in the horizontal direction, and the diameter of the nut flange 42 is larger than that of the third through hole 200 a. By providing the upper cover fixing member 50, the upper cover 200 can be fixed to the upper surface of the supporting block 20, and the upper cover fixing member 50 has a simple structure and is convenient to assemble.

In one example, the inner wall surface of the coupling sleeve 30 is machined with an internal thread 32. The upper cover fixing member 50 may be a hollow bolt, and the hollow bolt is engaged with the inner threads 32 of the connection sleeve 30. Wherein the head of the hollow bolt is the nut flange 52.

Optionally, a sealing ring is provided between the nut flange 52 of the upper cover fixing member 50 and the upper surface of the upper cover 200. This improves the sealing property between the upper cover fixture 50 and the upper cover 200, thereby improving the airtightness of the battery pack.

In one embodiment, as shown in fig. 2, the upper cover fixing member 50 is provided with a fourth through hole 51 penetrating therethrough in the up-down direction, and the support assembly 100 further includes a vehicle body coupling member 40.

Specifically, the lower end of the vehicle body attachment 40 is provided with a stopper flange 41, the stopper flange 41 is formed by the lower end of the vehicle body attachment 40 protruding outward in the horizontal direction, and the diameter of the stopper flange 41 is larger than the diameter of the inside of the coupling sleeve 30. The vehicle body connecting member 40 is inserted into the connecting sleeve 30, the upper end of the vehicle body connecting member 40 sequentially passes through the connecting sleeve 30 and the fourth through hole 51 and extends above the upper cover 200, and the stopping flange 41 abuts against the lower end of the connecting sleeve 30. Wherein a portion of the vehicle body attachment 40 located above the upper cover body 200 is adapted to be attached to the vehicle body of the vehicle.

Illustratively, the body attachment 40 may be a long bolt, a head portion of a lower end of the long bolt is a stopper flange 41, and a portion of the body attachment 40 above the upper cover 200 is processed with a screw structure for attaching a vehicle body.

Through setting up automobile body connecting piece 40, can be with battery can casing fixed connection in the bottom of automobile body, have simple structure, connect reliable and convenient assembling's advantage. Furthermore, the vehicle body connecting piece 40 penetrates through the connecting sleeve 30 and the upper cover fixing piece 50, so that the overall rigidity and strength of the battery pack shell are improved, and the probability of deformation of the battery pack when the battery pack is subjected to vibration impact can be reduced.

In one embodiment, the supporting blocks 20 are plural and are arranged at intervals along the length direction of the cross beam 10; the connecting sleeves 30 are provided in plural, and are disposed in one-to-one correspondence with the plural supporting blocks 20. Illustratively, the upper cover 200 is provided with a plurality of third through holes 200a corresponding to the plurality of support blocks 20, and the upper cover fixing member 50 and the vehicle body connecting member 40 are both corresponding to the plurality of support blocks 20. By providing the plurality of supporting blocks 20 between the upper cover 200 and the cross member 10, the upper cover 200 is smoothly supported by the plurality of supporting blocks 20, and the overall structural strength and rigidity of the supporting assembly 100 can be further improved.

The embodiment of the present application also provides a battery pack case including an upper cover 200, a lower case, and the support assembly 100 according to the above-described embodiment of the present application, wherein the support assembly 100 is supported between the upper cover 200 and the lower case.

Embodiments of the present application also provide a vehicle including a battery pack housing according to the above-described embodiments of the present application. For example, the battery pack case may be mounted to the underbody of the vehicle.

In addition, other configurations of the vehicle of the above embodiments may be adopted by various technical solutions known by those skilled in the art now and in the future, and will not be described in detail here.

In the description of the present specification, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; the connection can be mechanical connection, electrical connection or communication; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.

The above disclosure provides many different embodiments or examples for implementing different structures of the application. The components and arrangements of specific examples are described above to simplify the present disclosure. Of course, they are merely examples and are not intended to limit the present application. Moreover, the present application may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive various changes or substitutions within the technical scope of the present application, and these should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. A support assembly for a battery pack case supported between an upper cover and a lower cover of the battery pack case, the support assembly comprising:

the cross beam is arranged on the lower shell;

the connecting sleeve penetrates through the cross beam and the supporting block from bottom to top in sequence, the connecting sleeve is in threaded connection with the supporting block, a flange is arranged at the lower end of the connecting sleeve, and the flange is abutted to the lower end of the cross beam.

2. The support assembly of claim 1, wherein the cross member is provided with a first through hole penetrating therethrough in an up-down direction;

the connecting sleeve penetrates through the first through hole and the second through hole, and the outer wall surface of the connecting sleeve is in threaded connection with the inner wall surface of the second through hole.

3. The support assembly according to claim 2, wherein the support block includes a top plate and two side plates, the two side plates are respectively formed by extending downward from two side edges of the top plate in the width direction, and the second through hole is provided in the top plate.

4. The support assembly according to claim 3, wherein the two side plates are respectively provided with a stopper protrusion formed by inwardly protruding inner wall surfaces of the side plates, wherein the two stopper protrusions are respectively supported at the upper ends of the cross members.

5. The support assembly of claim 3 or 4, wherein the distance between the two side plates is greater than the width of the upper end of the cross beam, and the two side plates are respectively welded to the upper end of the cross beam.

6. The support assembly of claim 1, wherein the beam has a plurality of cavities formed therein, the cavities extending through the beam in a direction along the length of the beam.

7. The support assembly of claim 1, wherein the support blocks are plural and spaced apart along the length of the beam;

8. The support assembly of claim 1, wherein the upper cover is provided with a third through hole penetrating through the upper cover in the up-down direction, and the support assembly further comprises:

the upper cover body fixing part is provided with a nut flange at the upper end, the lower end of the upper cover body fixing part extends into the connecting sleeve through the third through hole, the outer wall surface of the upper cover body fixing part is in threaded connection with the inner wall surface of the connecting sleeve, and the nut flange is abutted to the upper surface of the upper cover body.

9. The support assembly of claim 8, wherein the upper cover fixing member is provided with a fourth through hole penetrating therethrough in the up-down direction, the support assembly further comprising:

the automobile body connecting piece, the lower extreme of automobile body connecting piece is equipped with the backstop flange, the automobile body connecting piece wears to locate connecting sleeve's inside, just the upper end of automobile body connecting piece passes in proper order connecting sleeve with the fourth through-hole stretches out to go up the top of lid, backstop flange butt in connecting sleeve's lower extreme, wherein, the automobile body connecting piece be located go up the part of the top of lid and be suitable for continuous with the automobile body of vehicle.

10. The support assembly of claim 9, wherein a sealing ring is disposed between the nut flange of the upper cover mount and the upper surface of the upper cover.

11. A battery pack housing, comprising:

an upper cover body and a lower shell;

the support assembly of any one of claims 1 to 10, supported between the upper cover and the lower housing.

12. A vehicle characterized by comprising the battery pack case according to claim 11.