CN220209181U - Power battery box structure - Google Patents
Power battery box structure Download PDFInfo
- Publication number
- CN220209181U CN220209181U CN202223262637.7U CN202223262637U CN220209181U CN 220209181 U CN220209181 U CN 220209181U CN 202223262637 U CN202223262637 U CN 202223262637U CN 220209181 U CN220209181 U CN 220209181U
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- China
- Prior art keywords
- frame body
- plate
- reinforcing plate
- assembly
- fixed
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Links
- 230000000712 assembly Effects 0.000 claims abstract description 17
- 238000000429 assembly Methods 0.000 claims abstract description 17
- 230000003014 reinforcing effect Effects 0.000 claims description 45
- 230000017525 heat dissipation Effects 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 238000005452 bending Methods 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 241000826860 Trapezium Species 0.000 claims description 2
- 230000002708 enhancing effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 238000007599 discharging Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000002356 single layer Substances 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
The utility model discloses a power battery box body structure, which belongs to the field of new energy battery packs and comprises a frame body and hanger assemblies, wherein the frame body is of a convex structure, four hanger assemblies are symmetrically arranged on two sides of the frame body, the middle parts and the bottoms of three adjacent hanger assemblies are fixed on the same side of the frame body through fastening bolts, the three hanger assemblies are of an integrated structure, and the middle parts and the bottoms of the other hanger assemblies are also fixed on the convex side of the frame body through fastening bolts. The utility model ensures that the hanging lug assembly is connected with the frame body in a multi-point way, thereby enhancing the connectivity of the hanging lug assembly and the frame body and avoiding the detachment from the frame body.
Description
Technical Field
The utility model belongs to the field of new energy battery packs, and particularly relates to a power battery box structure.
Background
At present, a sheet metal box of a power battery pack mainly comprises two types of bending, splice welding and stamping forming, and is generally used for bearing a single-layer module, and in order to avoid the movement of the box in a vehicle, an external hanging lug assembly of the box is generally required to be arranged, and the sheet metal box is fixed with the vehicle body through the hanging lug assembly.
The hangers on the surface of the box body in the prior art are fixed by adopting welding, namely the hangers are welded with the cover of the box body, the welding connection is not suitable for multiple box bodies with the same mounting point, the outer sizes of the box bodies are different, the hangers are often fixed at single points with the car body, the hangers are often subjected to the integral weight of a power battery after being connected with the car body, the connection part of the hangers and the car body can be loosened and deformed, and the integrity of the box body is difficult to guarantee.
Disclosure of Invention
The utility model aims to provide a power battery box body structure, which is used for solving the problems that in the prior art, a lug assembly on the surface of a box body is fixed by welding, namely, the lug assembly is not suitable for a plurality of box bodies with identical mounting points and different external sizes of the box body, the lug assembly is often fixed with a vehicle body at a single point, the lug assembly is often subjected to the whole weight of a power battery after being connected with the vehicle body, and the connection part of the lug assembly and the vehicle body is likely to be loose and deformed, so that the integrity of the box body is difficult to ensure.
The utility model provides a power battery box structure, includes frame body and hangers assembly, the frame body is protruding structure just the bilateral symmetry of frame body is equipped with four hangers assemblies, and wherein the middle part and the bottom of adjacent three hangers assembly are in through fastening bolt fix the same side of frame body just three hangers assembly is integral type structure, and the middle part and the bottom of another one hanger assembly are also fixed through fastening bolt the protrusion side of frame body.
Preferably, the hanger assembly comprises a reinforcing plate and an auxiliary reinforcing plate, wherein the reinforcing plate is of a two-stage ladder-shaped structure formed by bending metal plate pieces, lightening holes are formed in the vertical portions of the reinforcing plate, a supporting plate is fixedly connected to the middle of the reinforcing plate, the bottom of the reinforcing plate is provided with the auxiliary reinforcing plate attached to the frame body, and the surface of the auxiliary reinforcing plate is fixed to the frame body through fastening bolts.
Preferably, the backup pad is L type structure just the horizontal part of backup pad passes through fastening bolt even interval fixedly connected with a plurality of templates, the both sides of template are trapezium structure, the high side of template is contradicted the vertical portion of backup pad just the high side of template with the vertical portion of backup pad is high equally.
Preferably, the middle parts of three suspension loop assemblies on the same side of the frame body are fixed on the same supporting plate, the supporting plate is equal in length with the frame body, the supporting plate of a single suspension loop assembly is equal in length with the protruding side of the frame body, and the supporting plate is fixed on the outer side of the frame body through a fastening bolt.
Preferably, a plurality of reinforcing cross beams are fixedly connected between two sides of the inner bottom of the frame body at uniform intervals, and a plurality of heat dissipation holes are uniformly arranged between two adjacent reinforcing cross beams at intervals.
The utility model has the following advantages:
because the frame body sets up to be protruding type structure, mainly change the structural feature of frame body according to the shape in the car, set up the reinforcement crossbeam in the bottom of frame body, be used for bearing the weight of battery module, avoid the bottom fracture of frame body, the both sides of frame body set up the hangers assembly, mainly hang with the battery loading car, the gusset plate of hangers assembly is the echelonment structure, the lateral wall fixed connection of backup pad and frame body is passed through at the middle part of gusset plate, the bottom of gusset plate is equipped with supplementary gusset plate, supplementary gusset plate also passes through fastening bolt and the lateral wall fixed connection of frame body, consequently, the hangers assembly is dual to be fixed on the frame body, the connectivity is stronger, avoid the hangers assembly to break away from with the frame body in the automobile body, in addition, the effect of is to strengthen the backup pad, be equivalent to the strengthening rib of backup pad, avoid the backup pad fracture, the fixed position of backup pad can be adjusted according to the position of in-car mount point, can install at the different co-altitude departments of frame body, the suitability is higher. The utility model ensures that the hanging lug assembly is connected with the frame body in a multi-point way, thereby enhancing the connectivity of the hanging lug assembly and the frame body and avoiding the detachment from the frame body.
Drawings
FIG. 1 is a schematic three-dimensional structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of three adjacent hanger assemblies according to the present utility model;
FIG. 3 is a schematic three-dimensional view of a single hanger assembly of the present utility model.
Wherein:
1. a frame body; 10. reinforcing the cross beam; 11. a heat radiation hole;
2. a hanging ear assembly; 20. a reinforcing plate; 21. a support plate; 22. an auxiliary reinforcing plate; 23. a lightening hole; 24. pattern plate.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate, and thorough understanding of the inventive concepts and aspects of the utility model by those skilled in the art.
A power cell case structure as shown in fig. 1-3, wherein: including frame body 1 and hangers assembly 2, frame body 1 is protruding structure just the bilateral symmetry of frame body 1 is equipped with four hangers assemblies 2, and wherein the middle part and the bottom of adjacent three hangers assembly 2 are fixed through fastening bolt frame body 1's same side just three hangers assembly 2 are integrated into one piece structure, and the middle part and the bottom of another one hanger assembly 2 are also fixed through fastening bolt frame body 1's protrusion side.
The hanger assembly 2 comprises a reinforcing plate 20 and an auxiliary reinforcing plate 22, wherein the reinforcing plate 20 is of a two-stage ladder-shaped structure formed by bending metal plate pieces, weight reducing holes 23 are formed in the vertical portions of the reinforcing plate 20, a supporting plate 21 is fixedly connected to the middle of the reinforcing plate 20, the bottom of the reinforcing plate 20 is provided with an auxiliary reinforcing plate 22 attached to the frame body 1, the surface of the auxiliary reinforcing plate 22 is fixed to the frame body 1 through fastening bolts, the supporting plate 21 is of an L-shaped structure, a plurality of templates 24 are fixedly connected to the horizontal portion of the supporting plate 21 at equal intervals through the fastening bolts, two sides of the templates 24 are of a ladder-shaped structure, and the high side of the templates 24 are abutted to the vertical portion of the supporting plate 21 and the high side of the templates 24 are equal in height to the vertical portion of the supporting plate 21.
The reinforcing plate 21 is the echelonment structure, the middle part of reinforcing plate 21 passes through backup pad 21 and the lateral wall fixed connection of frame body 1, the bottom of reinforcing plate 21 is equipped with supplementary reinforcing plate 22, supplementary reinforcing plate 22 also passes through fastening bolt and the lateral wall fixed connection of frame body 1, consequently, the double fixation of hangers assembly 2 is on frame body 1, the connectivity is stronger, avoid hangers assembly 2 to break away from with frame body 1 in the automobile body, set up a plurality of templates 24 in the top interval of backup pad 21 in addition, template 24's effect is strengthened backup pad 21, be equivalent to backup pad 21's strengthening rib, avoid backup pad 21 fracture, the fixed position of backup pad 21 can be adjusted according to the position of in-car mount point in addition, can install the different co-altitude departments at frame body 1, the suitability is higher.
The middle parts of three hanging lug assemblies 2 on the same side of the frame body 1 are fixed on the same supporting plate 21, the supporting plate 21 is equal in length with the frame body 1, the supporting plate of a single hanging lug assembly 2 is equal in length with the protruding side of the frame body 1, and the supporting plate 21 is fixed on the outer side of the frame body 1 through a fastening bolt.
Three hangers assemblies 2 are fixed on the same supporting plate 21, the number of the hangers assemblies 2 can be set according to the length of the frame body 1, when the length of the frame body 1 is long, the number of the hangers assemblies 2 can be properly increased, but the middle part of the hanger assemblies is also fixed on the same supporting plate 21, the supporting plate 21 is equal to the frame body 1 in length, and therefore, a reinforcing rib is arranged on the outer side of the frame body 1, so that the frame body 1 is prevented from being broken, and the service life of the hanger assemblies is longer.
A plurality of reinforcing cross beams 10 are fixedly connected between two sides of the inner bottom of the frame body 1 at equal intervals, and a plurality of heat dissipation holes 11 are formed between two adjacent reinforcing cross beams 10 at equal intervals.
Because the battery module is to be placed in the inside of frame body 1, so set up the reinforcement crossbeam 10 in the bottom of frame body 1 for bear the weight of battery module, avoid the bottom fracture of frame body 1, the setting of louvre 11 is the heat dissipation of helping battery module, and power battery needs to be installed in the automobile body, and battery module stacks up together, can necessarily produce great heat when charging and discharging, and the existence of louvre 11 is the increase heat transfer area, strengthens the radiating effect.
Working principle: because the inside of frame body 1 will place battery module, it sets up to be protruding type structure, can change the structural feature of frame body 1 according to the shape in the car, set up reinforcing beam 10 in the bottom of frame body 1, be used for bearing the weight of battery module, avoid the bottom fracture of frame body 1, the setting of louvre 11 is help battery module heat dissipation, power battery needs to be installed in the car, battery module stacks up together, must produce great heat when charging and discharging, the existence of louvre 11 is the increase heat transfer area, strengthen the radiating effect, the both sides of frame body 1 set up hangers assembly 2, mainly carry out the link with the battery loading car, the reinforcing plate 21 of hangers assembly 2 is echelonment structure, the middle part of reinforcing plate 21 is through backup pad 21 and the lateral wall fixed connection of frame body 1, the bottom of reinforcing plate 21 is equipped with supplementary reinforcing plate 22, supplementary reinforcing plate 22 also is through fastening bolt and the lateral wall fixed connection of frame body 1, consequently, the hangers assembly 2 is doubly fixed on frame body 1, connectivity is stronger, avoid hangers assembly 2 break away from with frame body 1 in the car, the top interval at 21 sets up a plurality of backup pads 3779 in addition, can carry out the effect of supporting plate 21 is equal to the height of the support plate 21, can be adjusted in order to carry out the height of the support plate 21, can be adjusted in addition, the height is equal to the position is 21.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied to other applications without modification, as long as various insubstantial modifications of the inventive concept and technical solutions are adopted, all within the scope of the utility model.
Claims (5)
1. The utility model provides a power battery box structure which characterized in that: including frame body (1) and hangers assembly (2), frame body (1) is protruding structure just the bilateral symmetry of frame body (1) is equipped with four hangers assembly (2), and wherein the middle part and the bottom of three adjacent hangers assembly (2) are in through fastening bolt fixing the same side of frame body (1) just three hangers assembly (2) are integrated into one piece structure, and the middle part and the bottom of another one hanger assembly (2) are also fixed through fastening bolt the protrusion side of frame body (1).
2. A power cell case structure according to claim 1, wherein: the hanger assembly (2) comprises a reinforcing plate (20) and an auxiliary reinforcing plate (22), wherein the reinforcing plate (20) is of a two-stage ladder-shaped structure formed by bending metal plate pieces, lightening holes (23) are formed in the vertical portions of the reinforcing plate (20), a supporting plate (21) is fixedly connected to the middle of the reinforcing plate (20), the bottom of the reinforcing plate (20) is provided with an auxiliary reinforcing plate (22) attached to the frame body (1), and the surface of the auxiliary reinforcing plate (22) is fixed to the frame body (1) through fastening bolts.
3. A power cell case structure according to claim 2, wherein: the utility model discloses a support plate, including support plate (21), template (24), support plate (21) are in L type structure just the horizontal part of support plate (21) is through even interval fixedly connected with a plurality of templates (24) of fastening bolt, the both sides of template (24) are trapezium structure, the high side of template (24) is contradicted vertical portion of support plate (21) just the high side of template (24) with vertical portion of support plate (21) is high equally.
4. A power cell housing structure according to claim 3, wherein: the middle parts of three hanging lug assemblies (2) on the same side of the frame body (1) are fixed on the same supporting plate (21), the supporting plate (21) is equal in length with the frame body (1), the supporting plate of the hanging lug assemblies (2) is equal in length with the protruding side of the frame body (1), and the supporting plate (21) is fixed on the outer side of the frame body (1) through a fastening bolt.
5. The power cell case structure according to claim 4, wherein: a plurality of reinforcing cross beams (10) are fixedly connected between two sides of the inner bottom of the frame body (1) at equal intervals, and a plurality of heat dissipation holes (11) are formed between two adjacent reinforcing cross beams (10) at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223262637.7U CN220209181U (en) | 2022-12-06 | 2022-12-06 | Power battery box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223262637.7U CN220209181U (en) | 2022-12-06 | 2022-12-06 | Power battery box structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220209181U true CN220209181U (en) | 2023-12-19 |
Family
ID=89153715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223262637.7U Active CN220209181U (en) | 2022-12-06 | 2022-12-06 | Power battery box structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220209181U (en) |
-
2022
- 2022-12-06 CN CN202223262637.7U patent/CN220209181U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |