CN220873725U - Rear cross beam structure of battery pack box body - Google Patents
Rear cross beam structure of battery pack box body Download PDFInfo
- Publication number
- CN220873725U CN220873725U CN202322443125.9U CN202322443125U CN220873725U CN 220873725 U CN220873725 U CN 220873725U CN 202322443125 U CN202322443125 U CN 202322443125U CN 220873725 U CN220873725 U CN 220873725U
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- Prior art keywords
- rectangular structure
- rear cross
- battery pack
- rectangular
- cross beam
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- 238000001816 cooling Methods 0.000 claims abstract description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Battery Mounting, Suspending (AREA)
Abstract
A rear cross beam structure of a battery pack box body comprises a water cooling plate; the box body rear cross beam is vertically fixed on the rear side of the water cooling plate and comprises a second rectangular structure which is fixedly connected with the water cooling plate; the right-angle triangle structure comprises a horizontal section vertically connected with the first rectangular structure and a hypotenuse for connecting the horizontal section with the first rectangular structure, the bottom end of the first rectangular structure is fixed on the horizontal section, and the first rectangular structure is connected with the second rectangular structure; the bottom end of the third rectangular structure is fixed on the water cooling plate, and the third rectangular structure horizontally extends from the second rectangular structure towards the direction away from the right-angled triangle structure; and the fourth rectangular structure is fixed on the water cooling plate and horizontally extends from the third rectangular structure to the direction away from the right-angled triangle structure. The rear cross beam structure of the battery pack box body reduces weight and cost and has high strength.
Description
Technical Field
The utility model relates to the technical field of power battery packs, in particular to a rear cross beam structure of a battery pack box body.
Background
The current battery pack box body structure is mainly divided into two types, wherein one type is formed by welding a traditional stamping sheet metal part; the other is to adopt an extruded aluminum alloy frame for welding, and then match with a stamping cold plate at the bottom to form a box body; the two box body structural forms are adopted by manufacturers in the market, and according to the change of the light-weight demand of the market, more and more manufacturers select aluminum alloy parts for welding to form a box body assembly at present; the traditional aluminum alloy box body is generally composed of an outer side frame and an inner reinforcing beam, the traditional design causes the increase of the number of dies and clamps, the research and development cost and the manufacturing cost are high, meanwhile, the whole package weight is increased, and the whole vehicle endurance mileage is further reduced.
The above information disclosed in the background section is only for enhancement of understanding of the background of the utility model and therefore may contain information that does not form the prior art that is already known to a person of ordinary skill in the art.
Disclosure of utility model
The utility model aims to provide a rear cross beam structure of a battery pack box body, which reduces the weight and manufacturing cost of the battery pack.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model relates to a rear cross beam structure of a battery pack box body, which comprises the following components:
A water cooling plate;
A box body rear cross beam vertically fixed at the rear side of the water cooling plate, wherein the box body rear cross beam comprises,
The second rectangular structure is fixedly connected to the water cooling plate;
A right triangle structure comprising a horizontal section vertically connected with the first rectangular structure and a hypotenuse connecting the horizontal section and the first rectangular structure,
The bottom end of the first rectangular structure is fixed on the horizontal section, and the first rectangular structure is connected with the second rectangular structure;
the bottom end of the third rectangular structure is fixed on the water cooling plate, and the third rectangular structure horizontally extends from the second rectangular structure towards the direction away from the right-angled triangle structure;
And the fourth rectangular structure is fixed on the water cooling plate and horizontally extends from the third rectangular structure to the direction away from the right-angled triangle structure.
In the rear cross beam structure of the battery pack box body, the first rectangular structure is higher than the second rectangular structure, and the second rectangular structure is higher than the third rectangular structure.
In the rear cross beam structure of the battery pack box body, the first rectangular structure is higher than the fourth rectangular structure, and the fourth rectangular structure is higher than the second rectangular structure.
In the rear cross beam structure of the battery pack box body, the edges of the water cooling plates are provided with a plurality of mounting holes respectively.
In the rear cross beam structure of the battery pack box body, a plurality of first holes are formed in the top surface of the first rectangular structure.
In the rear cross beam structure of the battery pack box body, a plurality of second holes are formed in the top surface of the second rectangular structure.
In the rear cross beam structure of the battery pack box body, the first rectangular structure, the second rectangular structure, the third rectangular structure and the fourth rectangular structure at least comprise two serial-connection square structures respectively.
In the rear cross beam structure of the battery pack box body, the horizontal section of the right triangle structure is larger than the side length of the square structure.
In the rear cross beam structure of the battery pack box body, the fourth rectangular structure is provided with reinforcing ribs.
In the rear cross beam structure of the battery pack box body, the first rectangular structure, the second rectangular structure, the third rectangular structure and the fourth rectangular structure form a U-shaped structure.
In the technical scheme, the rear cross beam structure of the battery pack box body has the following beneficial effects: the rear cross beam structure of the battery pack box body is combined with the first rectangular structure, the second rectangular structure, the third rectangular structure and the fourth rectangular structure into a U-shaped structure, and the U-shaped structure can be extruded through a set of dies, so that the development cost of the corresponding dies and the development of the tooling fixtures are reduced, the weight of the battery pack box body is reduced on the basis of ensuring the structural strength of the battery pack, and the whole vehicle endurance mileage is further increased.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.
Fig. 1 is a schematic structural view of a rear cross member structure of a battery pack case of the present utility model.
Fig. 2 is a schematic side view of the rear cross member structure of the battery pack case of the present utility model.
Fig. 3 is a schematic top view of the rear cross member structure of the battery pack case of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.
It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1-3, in one embodiment, a battery pack case rear beam structure of the present utility model includes,
A water cooling plate 1;
a box body rear cross beam vertically fixed to the rear side of the water cooling plate 1, the box body rear cross beam comprising,
A second rectangular structure 2 fixedly connected to the water cooling plate 1;
A right triangle structure 3 comprising a horizontal segment vertically connecting the first rectangular structure 4 and a hypotenuse connecting the horizontal segment with the first rectangular structure 4,
The bottom end of the first rectangular structure 4 is fixed on the horizontal section, and the first rectangular structure 4 is connected with the second rectangular structure 2;
The bottom end of the third rectangular structure 5 is fixed on the water cooling plate 1, and the third rectangular structure 5 horizontally extends from the second rectangular structure 2 towards the direction away from the right-angled triangle structure 3;
And a fourth rectangular structure 6 fixed on the water cooling plate 1, wherein the fourth rectangular structure 6 horizontally extends from the third rectangular structure 5 towards a direction away from the right triangle structure 3.
In the preferred embodiment of the rear cross beam structure of the battery pack case, the first rectangular structure 4 is higher than the second rectangular structure 2, and the second rectangular structure 2 is higher than the third rectangular structure 5.
In the preferred embodiment of the rear cross member structure of the battery pack case, the first rectangular structure 4 is higher than the fourth rectangular structure 6, and the fourth rectangular structure 6 is higher than the second rectangular structure 2.
In the preferred embodiment of the rear cross beam structure of the battery pack box body, the edges of the water cooling plate 1 are respectively provided with a plurality of mounting holes.
In the preferred embodiment of the rear cross member structure of the battery pack case, the top surface of the first rectangular structure 4 is provided with a plurality of first holes.
In the preferred embodiment of the rear cross member structure of the battery pack case, the top surface of the second rectangular structure 2 is provided with a plurality of second holes.
In the preferred embodiment of the rear cross beam structure of the battery pack case, the first rectangular structure 4, the second rectangular structure 2, the third rectangular structure 5 and the fourth rectangular structure 6 respectively comprise at least two serial connection square structures.
In the preferred embodiment of the rear cross beam structure of the battery pack case, the horizontal section of the right triangle structure 3 is larger than the side length of the square structure.
In the preferred embodiment of the rear cross beam structure of the battery pack case, the fourth rectangular structure 6 is provided with reinforcing ribs.
In the preferred embodiment of the rear cross beam structure of the battery pack case, the first rectangular structure 4, the second rectangular structure 2, the third rectangular structure 5 and the fourth rectangular structure 6 form a U-shaped structure.
In one embodiment, the right triangle 3, the first rectangle 4, the second rectangle 2, the third rectangle 5 and the fourth rectangle 6 are integrally formed.
Finally, it should be noted that: the described embodiments are intended to be illustrative of only some, but not all, of the embodiments of the present application and, based on the embodiments herein, all other embodiments that may be made by those skilled in the art without the benefit of the present disclosure are intended to be within the scope of the present application.
While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.
Claims (10)
1. A rear cross beam structure of a battery pack case is characterized by comprising,
A water cooling plate;
A box body rear cross beam vertically fixed at the rear side of the water cooling plate, wherein the box body rear cross beam comprises,
The second rectangular structure is fixedly connected to the water cooling plate;
A right triangle structure comprising a horizontal section vertically connected with the first rectangular structure and a hypotenuse connecting the horizontal section and the first rectangular structure,
The bottom end of the first rectangular structure is fixed on the horizontal section, and the first rectangular structure is connected with the second rectangular structure;
the bottom end of the third rectangular structure is fixed on the water cooling plate, and the third rectangular structure horizontally extends from the second rectangular structure towards the direction away from the right-angled triangle structure;
And the fourth rectangular structure is fixed on the water cooling plate and horizontally extends from the third rectangular structure to the direction away from the right-angled triangle structure.
2. The battery pack case rear cross member structure according to claim 1, wherein said first rectangular structure is higher than said second rectangular structure, and wherein said second rectangular structure is higher than said third rectangular structure.
3. The battery pack case rear cross member structure according to claim 2, wherein said first rectangular structure is higher than a fourth rectangular structure, and wherein said fourth rectangular structure is higher than said second rectangular structure.
4. The rear cross beam structure of a battery pack case according to claim 1, wherein edges of the water cooling plates are provided with a plurality of mounting holes, respectively.
5. The battery pack case rear cross member structure according to claim 4, wherein the top surface of said first rectangular structure is provided with a plurality of first holes.
6. The battery pack case rear cross member structure according to claim 5, wherein the top surface of said second rectangular structure is provided with a plurality of second holes.
7. The battery pack case rear cross member structure according to claim 1, wherein said first rectangular structure, said second rectangular structure, said third rectangular structure and said fourth rectangular structure each comprise at least two series-connected square structures.
8. The battery pack case rear cross member structure according to claim 7, wherein the horizontal section of said right triangle structure is larger than the side length of said square structure.
9. The rear cross beam structure of a battery pack case according to claim 1, wherein the fourth rectangular structure is provided with reinforcing ribs.
10. The battery pack case rear cross member structure according to claim 1, wherein said first rectangular structure, said second rectangular structure, said third rectangular structure and said fourth rectangular structure constitute a U-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322443125.9U CN220873725U (en) | 2023-09-07 | 2023-09-07 | Rear cross beam structure of battery pack box body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322443125.9U CN220873725U (en) | 2023-09-07 | 2023-09-07 | Rear cross beam structure of battery pack box body |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220873725U true CN220873725U (en) | 2024-04-30 |
Family
ID=90815669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322443125.9U Active CN220873725U (en) | 2023-09-07 | 2023-09-07 | Rear cross beam structure of battery pack box body |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220873725U (en) |
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2023
- 2023-09-07 CN CN202322443125.9U patent/CN220873725U/en active Active
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