CN115411435B - Barrel type battery box structure - Google Patents
Barrel type battery box structure Download PDFInfo
- Publication number
- CN115411435B CN115411435B CN202210839829.5A CN202210839829A CN115411435B CN 115411435 B CN115411435 B CN 115411435B CN 202210839829 A CN202210839829 A CN 202210839829A CN 115411435 B CN115411435 B CN 115411435B
- Authority
- CN
- China
- Prior art keywords
- box body
- shell
- case
- battery
- slot
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000001125 extrusion Methods 0.000 claims abstract description 14
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 11
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 11
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 238000003466 welding Methods 0.000 claims abstract description 5
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000004806 packaging method and process Methods 0.000 claims description 5
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000003014 reinforcing effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 238000012858 packaging process Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/24—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries from their environment, e.g. from corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
- H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/256—Carrying devices, e.g. belts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/289—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs
- H01M50/291—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by spacing elements or positioning means within frames, racks or packs characterised by their shape
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention relates to a barrel type battery box structure, which is a novel battery box structure and belongs to the field of new energy. According to the invention, the material of the box body is changed, and the integrated extrusion molding is realized through the extrusion die, so that an aluminum splice welding process is not adopted, the quality of the battery box can be effectively reduced, and the sealing performance and the mechanical strength of the box body are improved. When the box body is extruded and molded, the relevant functional grooves are extruded and molded, the male grooves and the female grooves are convenient for the installation, positioning and sealing of the upper shell and the lower shell, and the rectangular open grooves can be used as fixing grooves for installing the battery baffle plates and can also be used as ribs of the box body, so that the structural strength of the box body is enhanced; the trapezoid groove can be used for placing the T-shaped nut, and meanwhile, the lifting lug assembly is installed according to the position of the external interface of the box body. The invention optimizes the structure of the box body, improves the process of the box body, and achieves the effects of reducing the quality of the box body, simplifying the packaging process and reducing the cost of components.
Description
Technical Field
The invention relates to a barrel type battery box structure, which is a novel battery box structure and belongs to the field of new energy.
Background
The global propulsion energy structure is changed, the living environment is improved, and the travel mode and the energy structure are changed. The new energy automobile and the energy storage mode are technical schemes which are being carried out in China and even worldwide, are mature and are widely applied to commercial scenes.
For new energy automobiles, domestic battery systems are always exploring battery system structures with high energy density and high safety, on one hand, the quality of a battery box is reduced, and the same charging quantity can enable the endurance mileage of the automobile to be longer. On the other hand, the packaging process of the battery box is simplified, the structural strength is improved, and the component cost is further reduced. Therefore, the battery box structure which is light in weight, easy to package and capable of reducing cost is practical, and the technical problem of complex packaging of a battery system is effectively solved.
Disclosure of Invention
The invention aims to provide a barrel type battery box structure which can reduce the quality of a battery box of a new energy system and achieve the aim of light weight; the packaging process of the battery box is simplified, and the structural strength of the box body is improved. The packaging cost of the battery box body is reduced; the unique lifting lug assembly connection mode enhances the adaptability of an external interface; the sealing performance of the battery box body is effectively improved, and the protection level of the battery system is enhanced.
The technical scheme adopted by the invention is as follows: a cartridge type battery box structure comprising: the lifting lug comprises an upper shell, a lower shell, an end cover, a lifting lug assembly, a fastening bolt and a T-shaped nut. The upper shell and the lower shell are connected and matched to form a box body of a cylindrical battery box structure, the lifting lug assemblies are arranged on two sides of the box body, and the end covers are arranged on the front end and the rear end of the box body. The upper shell and the lower shell are integrally formed through an aluminum profile extrusion die, and the lower shell is extruded to form a special structure of a rectangular open slot, a trapezoid slot and a mother slot. The rectangular open slot is used for being convenient for install the battery baffle, and the trapezoidal slot is convenient for install the lug assembly. The upper shell extrudes a special structure of the trapezoid groove and the male groove. The female groove and the male groove play a role in positioning and sealing when the upper shell and the lower shell are installed, the trapezoid grooves of the upper shell and the lower shell are convenient for placing T-shaped nuts, and the lifting lug assembly is locked through the fastening bolts, so that the upper shell and the lower shell are tightly packaged.
Further, the cylinder battery box structure, the material of going up casing and lower casing is the aluminium alloy, like the mark: 6063, 6061, etc., can select the marks meeting the performance requirements according to the structural strength and the performance of different boxes, effectively reduce the quality of the boxes, and improve the energy density of the battery system.
Further, the manufacturing process of the upper shell and the lower shell is integrated extrusion molding of an extrusion aluminum profile die.
Further, the joint of the upper shell and the lower shell is respectively extruded into a structure of a male groove and a female groove, so that the packaging, positioning and sealing are facilitated. The range of the value of the opening angle theta 1 of the female groove on the lower shell is as follows: 45-120 deg. The opening angle of the male slot on the upper shell is theta 2=theta 1-dtheta, and the value range of dtheta is as follows: 2-5 deg.
Further, the left and right outer wall surfaces of the upper shell and the lower shell are extruded to form a trapezoid groove structure to form a mounting track, so that the lifting lug assembly is convenient to assemble. The width of the trapezoid groove is as follows: l4=l5. L4 and L5 are 15cm + -5 cm in value range.
Further, the left and right inner wall surfaces of the lower shell are extruded to form rectangular open grooves, so that the functions of weight reduction and strength enhancement are achieved, and the battery baffle plate is convenient to install, and each battery is separated and fixed. The rectangular groove width l2=l3, L2, L3 range: 20 cm-25 cm.
Slope angle θ4=θ3-1 ° of T-nut. The gradient angle theta 3 of the trapezoid grooves of the upper shell and the lower shell is within the range: 90-135 deg..
The end cover is connected with the box body formed by the upper shell and the lower shell in a welding or rivet connection mode.
The beneficial effects of the invention are as follows: by changing the material of the box body and integrally extruding and forming through an extruding die. The aluminum splice welding process is not adopted any more, so that the quality of the battery box can be effectively reduced, and the sealing performance and the mechanism strength of the box body are improved. When the box body is extruded and formed, the relevant functional grooves such as the male groove and the female groove are convenient for the installation, positioning and sealing of the upper shell and the lower shell, such as the rectangular open groove, can be used as a fixing groove for installing a battery baffle, can be used as ribs of the box body, and can strengthen the structural strength (anti-twisting, anti-vibration and the like) of the box body. For example, a trapezoidal groove can be used for placing a T-shaped nut, and meanwhile, the lifting lug assembly is installed according to the position of an external interface of the box body. The invention optimizes the structure of the box body, improves the process of the box body, and achieves the effects of reducing the quality of the box body, simplifying the packaging process and reducing the cost of components.
Drawings
Fig. 1 is a schematic view of the structure of a cartridge type battery case of the present invention.
Fig. 2 is a schematic view of a shackle assembly according to the present invention.
Fig. 3 is a schematic cross-sectional view of the upper housing and the upper housing of the present invention.
Fig. 4 is a schematic cross-sectional view of the lower housing and the lower housing of the present invention.
Fig. 5 is a schematic view of a T-nut of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings
The invention is a barrel type battery box structure, comprising: the lifting lug assembly comprises an upper shell 1, a lower shell 2, a lifting lug assembly 3, an end cover 4, a T-shaped nut 5, a fastening bolt 6, a rectangular open groove 7, a trapezoid groove 8, a female groove 9 and a male groove 10.
The upper shell 1 and the lower shell 2 are all made of aluminum profiles (such as marks 6063 and 6061, etc., and marks meeting performance requirements can be selected according to structural strength and performance of different boxes), and the manufacturing process is integrated extrusion molding of an extrusion aluminum profile die. When in extrusion molding, ribs in the extrusion direction can be added to increase the strength of the shell, generally, the ribs of the upper shell 1 are designed in the shell cavity, and the ribs of the lower shell 2 are designed outside the shell cavity. The upper shell 1 and the lower shell 2 are respectively extruded into structures of a male groove 10 and a female groove 9, so that the packaging, positioning and sealing are facilitated. The range of the opening angle theta 1 of the female groove 9 on the lower shell is as follows: 45-120 deg. The upper housing male groove 10 has an opening angle θ2=θ1-dθ, and a range of values of dθ: 2-5 deg. The upper shell 1 and the lower shell 2 are positioned, installed and sealed by extruding into a male groove 10 and a female groove 9, then the T-shaped nut 4 is installed in the trapezoid groove 8 on the upper shell 1 and the lower shell 2, and the lifting lug assembly is installed through the fastening bolt 2, so that the upper shell 1 and the lower shell 2 are physically locked.
The working process of the patent is as follows: the invention is assembled into a cylindrical battery box structure by an upper shell 1, a lower shell 2, a lifting lug assembly 3, an end cover 4, a T-shaped nut 4, a fastening bolt 5, a rectangular open groove 7, a trapezoid groove 8, a female groove 9 and a male groove 10. The upper case 1 and the lower case 2 are integrally formed by an aluminum profile extrusion die, and are extruded with the inventive structure as schematically shown in fig. 3 and 4.
The innovation point of the invention is that: the upper shell and the lower shell of the battery box body are integrally formed by extruding the aluminum profile die, so that the old process of splicing and welding aluminum plates is changed, the box body structure is optimized, the process of the box body is improved, and the effects of reducing the quality of the box body, simplifying the packaging process and reducing the cost of parts are achieved. The upper shell and the lower shell are positioned and installed and sealed through the male groove and the female groove formed by extrusion. Rectangular open slot increases box structural strength, also can install incasement battery baffle, and trapezoidal slot installation T type nut to place the position of lug assembly according to battery box external interface, the suitability is stronger.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. A cartridge battery box structure, characterized in that the cartridge battery box structure comprises: the lifting lug assembly comprises an upper shell, a lower shell, an end cover, a lifting lug assembly, a fastening bolt and a T-shaped nut; the upper shell and the lower shell are connected and matched to form a box body of a cylindrical battery box structure, the lifting lug assemblies are arranged on two sides of the box body, and the end covers are arranged at the front end and the rear end of the box body; the upper shell and the lower shell are integrally formed through an aluminum profile extrusion die, the lower shell extrudes a rectangular open slot, a trapezoid slot and a female slot, and the upper shell extrudes a trapezoid slot and a male slot; the rectangular open slot is used for installing a battery baffle, and the trapezoid slot is convenient for installing the lifting lug assembly; the female groove and the male groove play a role in positioning and sealing when the upper shell and the lower shell are installed, the trapezoid grooves of the upper shell and the lower shell are convenient for placing T-shaped nuts, and the lifting lug assembly is locked through the fastening bolts, so that the upper shell and the lower shell are tightly packaged;
The joint of the upper shell and the lower shell is respectively extruded into a structure of a male groove and a female groove, so that the packaging, positioning and sealing are facilitated; the range of the value of the opening angle theta 1 of the female slot on the lower shell is as follows: 45-120 degrees, and the opening angle of the male slot on the upper shell is theta 2 = theta 1-dtheta, and the range of the d theta is: 2-5 degrees;
The aluminum profile selects marks meeting the performance requirements according to the structural strength and the performance of different main bodies;
outer wall about last casing and the lower casing, extrusion trapezoidal channel structure forms the mounting track, the lug assembly of being convenient for, and the width of trapezoidal channel is: l4=l5, L4, L5 ranging from 15cm±5cm;
inner wall about the lower casing, extrusion rectangle open slot plays the effect of subtracting heavy and reinforcing intensity, and is convenient for install battery baffle, separates and fixes every battery, and the width in rectangular slot L2=L3, L2, L3's value range: 20 cm-25 cm;
slope angle θ4=θ3-1° of the T-nut, and the range of slope angle θ3 of the trapezoidal grooves of the upper and lower housings is: 90-135 deg..
2. A cartridge type battery case structure according to claim 1, wherein the end cap is connected to the case body by welding or rivets.
3. The battery case structure of claim 1, wherein ribs in a pressing direction are added to the upper case and the lower case when the upper case and the lower case are pressed to increase the strength of the case, the ribs of the upper case are formed in the case cavity, and the ribs of the lower case are formed outside the case cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839829.5A CN115411435B (en) | 2022-07-18 | 2022-07-18 | Barrel type battery box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210839829.5A CN115411435B (en) | 2022-07-18 | 2022-07-18 | Barrel type battery box structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115411435A CN115411435A (en) | 2022-11-29 |
| CN115411435B true CN115411435B (en) | 2024-05-24 |
Family
ID=84157733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210839829.5A Active CN115411435B (en) | 2022-07-18 | 2022-07-18 | Barrel type battery box structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115411435B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207441824U (en) * | 2017-11-29 | 2018-06-01 | 长城汽车股份有限公司 | Battery pack housing |
| CN209133577U (en) * | 2018-12-20 | 2019-07-19 | 广西艾盛创制科技有限公司 | A kind of used in new energy vehicles battery case with assembling clamping function |
| CN211828922U (en) * | 2020-04-10 | 2020-10-30 | 摩登汽车(盐城)有限公司 | Battery fixing device, battery pack and electric automobile |
-
2022
- 2022-07-18 CN CN202210839829.5A patent/CN115411435B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207441824U (en) * | 2017-11-29 | 2018-06-01 | 长城汽车股份有限公司 | Battery pack housing |
| CN209133577U (en) * | 2018-12-20 | 2019-07-19 | 广西艾盛创制科技有限公司 | A kind of used in new energy vehicles battery case with assembling clamping function |
| CN211828922U (en) * | 2020-04-10 | 2020-10-30 | 摩登汽车(盐城)有限公司 | Battery fixing device, battery pack and electric automobile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115411435A (en) | 2022-11-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101345638B1 (en) | Hybrid type battery module cover for electric vehicle | |
| US20220263152A1 (en) | Battery assembly for electric vehicle | |
| CN114954662B (en) | Split type new energy automobile body structure and assembling method thereof | |
| WO2023082986A1 (en) | Battery pack box, battery pack, and vehicle | |
| CN115411435B (en) | Barrel type battery box structure | |
| CN116762220A (en) | Housing device, battery, consumer, and device and method for producing a battery | |
| CN210040274U (en) | Riveting formula top cap structure | |
| CN107933005A (en) | A kind of composite material battery case with surge guard and preparation process | |
| CN214112706U (en) | Electric automobile | |
| CN113306634A (en) | Floor structure behind small-size car GMT | |
| CN220821743U (en) | Sealing structure of power battery | |
| CN213341843U (en) | End cover plastic-coated sealing motor | |
| CN221201378U (en) | Battery box, battery and power consumption device | |
| CN220672779U (en) | Light upper box structure of automobile battery | |
| CN216958355U (en) | Battery package casing and have its vehicle | |
| CN220189815U (en) | Profile type integrated battery frame and vehicle | |
| CN219873805U (en) | Lower inner shell, lower shell, battery box and battery pack of battery pack | |
| CN219067079U (en) | Side beam of battery package, battery package and vehicle | |
| CN111293244A (en) | Battery carrier with step formed in side wall of basin | |
| CN215578783U (en) | Electronic product is with electron end plate that does benefit to joint | |
| CN217881774U (en) | Power battery pack box upper cover structure | |
| CN221176508U (en) | Double-sealing electric bicycle battery pack | |
| CN210123768U (en) | Shell and electric core module of electric core module | |
| CN210272471U (en) | New energy automobile battery pack shell | |
| CN218385588U (en) | Box, battery package and vehicle under battery package |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |