CN115207537A - Lower box assembly, box and battery package - Google Patents

Lower box assembly, box and battery package Download PDF

Info

Publication number
CN115207537A
CN115207537A CN202110396020.5A CN202110396020A CN115207537A CN 115207537 A CN115207537 A CN 115207537A CN 202110396020 A CN202110396020 A CN 202110396020A CN 115207537 A CN115207537 A CN 115207537A
Authority
CN
China
Prior art keywords
assembly
bottom plate
lower box
elastic fixing
plate
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.)
Pending
Application number
CN202110396020.5A
Other languages
Chinese (zh)
Inventor
彭升政
刘晓
高建
张俊宝
李晟
周昊
王辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Ju Innovative Energy Technology Co Ltd
Original Assignee
Kunshan Ju Innovative Energy Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Ju Innovative Energy Technology Co Ltd filed Critical Kunshan Ju Innovative Energy Technology Co Ltd
Priority to CN202110396020.5A priority Critical patent/CN115207537A/en
Publication of CN115207537A publication Critical patent/CN115207537A/en
Pending legal-status Critical Current

Links

Images

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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
    • 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
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/503—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the shape of the interconnectors
    • 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)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The invention discloses a lower box body assembly, a box body and a battery pack, and relates to the technical field of new energy battery processing. The lower box body assembly comprises a bottom plate, a side plate assembly, an electric connection part and an elastic fixing piece, wherein the side plate assembly is fixedly arranged along the edge of the bottom plate to form a mounting groove, a battery module is mounted in the mounting groove, the electric connection part is electrically connected with the battery module, the electric connection part is arranged on the elastic fixing piece, and the elastic fixing piece is fixedly connected with the bottom plate and/or the side plate assembly. According to the invention, the electric connection part is arranged on the elastic fixing piece, and the elastic fixing piece is fixedly connected with at least one of the bottom plate and the side plate assembly, so that when the battery pack is collided, the elastic fixing piece can play a role of damping and buffering, the connection stability of the electric connection part is improved, the performance of the battery module is ensured, and the service life is prolonged.

Description

Lower box assembly, box and battery package
Technical Field
The invention relates to the technical field of new energy battery processing, in particular to a lower box assembly, a box and a battery pack.
Background
With the rapid development of the automobile industry, new energy vehicles are also rapidly developed. The power of the motor of the new energy vehicle is mainly supplied by a storage battery, and the storage battery is generally fixedly arranged on the electric vehicle in a battery pack mode.
The battery pack mainly comprises a battery module, a lower box body assembly, a side plate and a top cover, wherein the lower box body assembly, the side plate and the top cover are matched to form an installation cavity, the battery module is installed in the installation cavity, current in the battery module is converged through a current collecting plate, and is led out by a positive electrode sheet and a negative electrode sheet to be electrically connected with an external part through an electric connection part, so that continuous power supply is realized. Because the restriction of installation space on the whole car, the battery package can be installed with other spare parts contact usually, and at the in-process that the vehicle was marchd, the battery package easily produces the collision with other parts, causes electric connection portion not hard up, influences battery module performance, reduces its life.
Accordingly, there is a need for a lower case assembly, a case and a battery pack to solve the above problems.
Disclosure of Invention
The invention aims to provide a lower box body assembly, a box body and a battery pack, which can play a role in damping and buffering, improve the connection stability of an electric connection part, ensure the performance of a battery module and prolong the service life.
In order to achieve the purpose, the invention adopts the following technical scheme:
the invention provides a lower box assembly which comprises a bottom plate, a side plate assembly, an electric connection part and an elastic fixing piece, wherein the side plate assembly is fixedly arranged along the edge of the bottom plate to form a mounting groove, a battery module is mounted in the mounting groove, the electric connection part is electrically connected with the battery module, the electric connection part is arranged on the elastic fixing piece, and the elastic fixing piece is fixedly connected with the bottom plate and/or the side plate assembly.
Optionally, the elastic fixing part is a bent sheet metal part, and the bent sheet metal part is fixedly connected with the bottom plate.
Optionally, an arch portion and a supporting portion are arranged on the elastic fixing piece, the electric connection portion comprises a first electric connection piece and a second electric connection piece, the volume of the first electric connection piece is smaller than that of the second electric connection piece, the first electric connection piece is installed on the arch portion, and the second electric connection piece is installed on the supporting portion.
Optionally, the arch portion and/or the support portion are provided with a heat dissipation portion bent away from the bottom plate.
Optionally, a first fixing hole is formed in the arched portion, a first mounting hole corresponding to the first fixing hole is formed in the first electric connecting piece, and a first fastener penetrates through the first mounting hole and is fixed in the first fixing hole;
the supporting part is provided with a second fixing hole, the second electric connecting piece is provided with a second mounting hole corresponding to the second fixing hole, and a second fastener penetrates through the second mounting hole and is fixed with the bottom plate in the second fixing hole.
Optionally, the lower box assembly further comprises an external connecting piece arranged outside the mounting groove, the external connecting piece is fixedly connected with the side plate assembly, and the external connecting piece is detachably connected and fixed with the frame.
Optionally, the external connecting member includes a connecting plate and an angle plate, the connecting plate is welded to the side plate assembly, and the angle plate is welded to both the connecting plate and the side plate assembly.
Optionally, a hollow layer is arranged in the connecting plate, a plurality of obliquely arranged reinforcing rib plates are arranged in the hollow layer, and the adjacent reinforcing rib plates and the side wall of the hollow layer are matched to form a triangular cavity.
The invention also provides a box body which comprises a top cover and the lower box body assembly, wherein the top cover is fixedly connected with the side plate assembly, and the top cover, the side plate assembly and the bottom plate are matched to form an installation cavity.
The invention also provides a battery pack which comprises the battery module and the box body, wherein the battery module is arranged in the mounting cavity.
The invention has the beneficial effects that:
the invention provides a lower box assembly, a box body and a battery pack.
Drawings
FIG. 1 is a schematic view of the overall structure of a lower case assembly according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of a partially disassembled structure of a lower box assembly according to an embodiment of the present invention;
FIG. 3 is a schematic view of an overall structure of an elastic fixing member according to an embodiment of the present invention;
fig. 4 is an enlarged schematic view of a structure in fig. 2.
In the figure:
10. a battery module;
1. a base plate; 11. mounting grooves;
2. a side plate assembly;
3. an electrical connection portion; 31. a first electrical connection; 32. a second electrical connection;
4. an elastic fixing member; 41. an arch portion; 411. a heat dissipating section; 412. a first fixing hole; 42. a support portion; 421. a second fixing hole;
5. an external connection; 51. a connecting plate; 511. reinforcing rib plates; 512. a triangular cavity; 513. connecting the fixing holes; 52. a gusset is provided.
Detailed Description
In order to make the technical problems solved, technical solutions adopted and technical effects achieved by the present invention clearer, the technical solutions of the embodiments of the present invention will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation that the first and second features are not in direct contact, but are in contact via another feature between them. 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. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment of the invention discloses a lower box assembly, which comprises a bottom plate 1, a side plate assembly 2, an electric connection part 3 and an elastic fixing piece 4, wherein the bottom plate 1 is connected with the side plate assembly 2, and the electric connection part 3 is connected with the elastic fixing piece 4, as shown in figures 1-4. Optionally, the side plate assembly 2 is fixedly disposed along the edge of the bottom plate 1 to form a mounting groove 11, and the battery module 10 is mounted in the mounting groove 11. The electrical connection part 3 is electrically connected to the battery module 10. The electric connection part 3 is arranged on the elastic fixing piece 4, and the elastic fixing piece 4 is fixedly connected with the bottom plate 1 and/or the side plate assembly 2.
Through the arrangement of the elastic fixing piece 4, the electric connection part 3 is arranged on the elastic fixing piece 4, and the elastic fixing piece 4 is fixedly connected with at least one of the bottom plate 1 and the side plate assembly 2, so that when the battery pack collides, the elastic fixing piece 4 can play a role in damping and buffering, the connection stability of the electric connection part 3 is improved, the performance of the battery module 10 is ensured, and the service life is prolonged.
The bottom plate 1 is used to support the battery module 10, and the shape of the bottom plate 1 is set according to the occupied space of the battery module 10, and the embodiment is not particularly limited. Further, the bottom plate 1 is a hollow structure to reduce the dead weight.
Accordingly, the side plate assembly 2 is fixed along the edge of the base plate 1 to form a mounting groove 11 in which the battery module 10 is placed. To further reduce the weight and ensure the structural strength of the side panel assembly 2, the side panel assembly 2 is formed as a hollow structure, and a plurality of reinforcing partition plates (not shown) are fixed at intervals in the hollow structure.
As shown in fig. 2, the electrical connection portion 3 is used to electrically connect the battery module 10 with an external member to achieve continuous power supply or charging. Specifically, the electrical connection portion 3 includes a first electrical connection member 31 and a second electrical connection member 32, the volume of the first electrical connection member 31 is smaller than the volume of the second electrical connection member 32, the first electrical connection member 31 is electrically connected with the battery module 10 and a motor on the vehicle to continuously supply power to the vehicle, and the second electrical connection member 32 is electrically connected with the battery module 10 and an external power source to charge the battery module 10. Since the power supply, charging structure and principle of the battery pack are prior art, they are not described herein again. For convenience of connection and fixation, a first mounting hole is formed on the first electrical connector 31, and a second mounting hole is formed on the second electrical connector 32.
As shown in fig. 2 and fig. 3, in the present embodiment, the elastic fixing member 4 is a bent sheet metal member, and the bent sheet metal member is fixedly connected to the bottom plate 1 to increase the contact fixing area. In other embodiments, the material and shape of the elastic fixing element 4 can be selected according to the requirement, and are not limited to this embodiment.
Furthermore, the elastic fixing member 4 is provided with an arch portion 41 and a support portion 42, the first electric connector 31 is mounted on the arch portion 41, and the second electric connector 32 is mounted on the support portion 42, so that the arch portion 41 of the elastic fixing member 4 can play a role in elastic shock absorption for the first electric connector 31, and the support portion 42 can play a role in stable support for the second electric connector 32 with a larger volume.
Since the electrical connection portion 3 (i.e. the first electrical connection member 31 and the second electrical connection member 32) generates heat during use, heat dissipation portions 411 bent away from the bottom plate 1 are respectively arranged on the arch portion 41 and the support portion 42 to guide heat dissipation on the arch portion 41 and the support portion 42. In other embodiments, the heat dissipating portion 411 may be provided on one of the arch portion 41 and the support portion 42, and is not limited to this embodiment.
The connection and fixation of the arch portion 41 and the support portion 42 will be described in detail with reference to fig. 3.
Be equipped with first fixed orifices 412 on arch portion 41, first mounting hole corresponds with first fixed orifices 412, and first fastener wears to establish first mounting hole and is fixed in first fixed orifices 412 to the realization is with first electric connector 31 fixed mounting on arch portion 41.
Correspondingly, the supporting portion 42 is provided with a second fixing hole 421, the second mounting hole corresponds to the second fixing hole 421, and a second fastener is inserted into the second mounting hole and the second fixing hole 421 to be fixed to the bottom plate 1, so that the second electrical connector 32 is fixed to the supporting portion 42 and the bottom plate 1. Alternatively, the first and second fasteners may be screws, fixing pins, or the like, to facilitate disassembly and maintenance.
Secondly, for realizing that the lower box assembly is fixed with being connected of frame, this lower box assembly still includes the external connection spare 5 of locating the mounting groove 11 outside, and external connection spare 5 and bottom plate 1 and curb plate assembly 2 all fixed connection, and external connection spare 5 can be dismantled with the frame and be connected fixedly to be convenient for dismouting, change, external connection spare 5 also can disperse partial stress when the lower box assembly receives the collision simultaneously, reduces stress concentration.
The specific structure of the external connection member 5 will be described with reference to fig. 1, 2 and 4.
As shown in fig. 1, 2 and 4, the external connecting member 5 includes a connecting plate 51 and a corner plate 52, the connecting plate 51 is welded to the side panel assembly 2, and the corner plate 52 is welded to both the connecting plate 51 and the side panel assembly 2 to enhance the stability of the connection between the connecting plate 51 and the side panel assembly 2.
Optionally, a hollow layer is arranged in the connecting plate 51, a plurality of obliquely arranged reinforcing rib plates 511 are arranged in the hollow layer, and two adjacent reinforcing rib plates 511 are matched with the side wall of the hollow layer to form a triangular cavity 512, so that the weight of the lower box assembly is reduced, and the structural strength of the connecting plate 51 is ensured. In addition, a plurality of connection fixing holes 513 are formed at intervals on the connecting plate 51 to facilitate the detachable connection and fixation with the frame.
The angle plate 52 is used for further fixing the connecting plate 51 and the side plate assembly 2 to form a triangular fixed supporting structure, and ensures the connecting strength of the external connecting member 5.
This embodiment still discloses a box, including the top cap, this box still includes as above lower box assembly, top cap and 2 fixed connection of curb plate assembly, and top cap and 2 and the 1 cooperation formation installation chambeies of bottom plate of curb plate assembly.
The embodiment also discloses a battery pack, which comprises the battery module 10 and the box body, wherein the battery module 10 is arranged in the installation cavity. This battery package is when bumping, and elastic fixing piece 4 can play the effect of shock attenuation buffering to electric connection portion 3, improves electric connection portion 3's connection stability, ensures battery module 10 performance, increase of service life.
To sum up, the embodiment of the invention provides a lower box assembly, a box and a battery pack, which have the following advantages:
1. through setting up elastic fixing piece 4, electric connection portion 3 sets up on elastic fixing piece 4, and elastic fixing piece 4 and bottom plate 1 and at least one fixed connection in the curb plate assembly 2 to this when the battery package bumps, elastic fixing piece 4 can play the effect of shock attenuation buffering, improves electric connection portion 3's connection stability, ensures battery module 10 performance, increase of service life.
2. Further set up external connecting piece 5 in the outside of mounting groove 11, external connecting piece 5 and bottom plate 1 and the equal fixed connection of curb plate assembly 2, and external connecting piece 5 can be dismantled with the frame and be connected fixedly to dismouting, change, external connecting piece 5 also can be when box assembly receives the collision down part stress of dispersion simultaneously, reduces stress concentration.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a lower box assembly, its characterized in that includes bottom plate (1), curb plate assembly (2), electric connection portion (3) and elastic fixing piece (4), curb plate assembly (2) are followed the fixed setting in border of bottom plate (1) forms mounting groove (11), battery module (10) install in mounting groove (11), electric connection portion (3) with battery module (10) electric connection, electric connection portion (3) set up in on elastic fixing piece (4), elastic fixing piece (4) with bottom plate (1) and/or curb plate assembly (2) fixed connection.
2. The lower box assembly according to claim 1, wherein the elastic fixing member (4) is a bent sheet metal member, and the bent sheet metal member is fixedly connected with the bottom plate (1).
3. Lower box assembly according to claim 2, characterised in that an arch (41) and a support (42) are provided on the elastic fixing element (4), the electrical connection (3) comprising a first electrical connector (31) and a second electrical connector (32), the first electrical connector (31) having a volume smaller than the volume of the second electrical connector (32), the first electrical connector (31) being mounted on the arch (41) and the second electrical connector (32) being mounted on the support (42).
4. A lower tank assembly according to claim 3, characterised in that the arch (41) and/or the support (42) is/are provided with a heat-dissipating part (411) bent away from the floor (1).
5. The lower box assembly according to claim 3, wherein the arch portion (41) is provided with a first fixing hole (412), the first electrical connector (31) is provided with a first mounting hole corresponding to the first fixing hole (412), and a first fastener is fixed in the first fixing hole (412) through the first mounting hole;
the supporting portion (42) is provided with a second fixing hole (421), the second electric connecting piece (32) is provided with a second mounting hole corresponding to the second fixing hole (421), and a second fastener penetrates through the second mounting hole and is fixed to the bottom plate (1) in the second fixing hole (421).
6. The lower box assembly according to claim 1, further comprising an external connector (5) disposed outside the mounting groove (11), wherein the external connector (5) is fixedly connected to the side plate assembly (2), and the external connector (5) is detachably connected to the frame.
7. The lower box assembly according to claim 6, wherein the external connector (5) comprises a connecting plate (51) and a corner plate (52), the connecting plate (51) is welded to the side panel assembly (2), and the corner plate (52) is welded to both the connecting plate (51) and the side panel assembly (2).
8. The lower box body assembly according to claim 7, characterized in that a hollow layer is arranged in the connecting plate (51), a plurality of obliquely arranged reinforcing rib plates (511) are arranged in the hollow layer, and two adjacent reinforcing rib plates (511) are matched with the side wall of the hollow layer to form a triangular cavity (512).
9. A tank comprising a top cover, characterized in that the tank further comprises a lower tank assembly according to any one of claims 1 to 8, the top cover is fixedly connected with the side plate assembly (2), and the top cover, the side plate assembly (2) and the bottom plate (1) cooperate to form a mounting cavity.
10. A battery pack comprising a battery module (10), wherein the battery pack further comprises the case according to claim 9, the battery module (10) being disposed in the mounting cavity.
CN202110396020.5A 2021-04-13 2021-04-13 Lower box assembly, box and battery package Pending CN115207537A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110396020.5A CN115207537A (en) 2021-04-13 2021-04-13 Lower box assembly, box and battery package

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110396020.5A CN115207537A (en) 2021-04-13 2021-04-13 Lower box assembly, box and battery package

Publications (1)

Publication Number Publication Date
CN115207537A true CN115207537A (en) 2022-10-18

Family

ID=83571281

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110396020.5A Pending CN115207537A (en) 2021-04-13 2021-04-13 Lower box assembly, box and battery package

Country Status (1)

Country Link
CN (1) CN115207537A (en)

Similar Documents

Publication Publication Date Title
KR101295087B1 (en) Sub Frame Mounting Structure of Hybrid-Electric Vehicle
CN213565404U (en) New energy automobile battery package and oil tank sharing mounting structure
CN115207537A (en) Lower box assembly, box and battery package
CN218967018U (en) Frame for electric tractor and electric tractor
CN109703348B (en) Automobile battery fixing structure and automobile battery fixing method
CN207883757U (en) Battery box body and battery case
CN212028424U (en) Damping device of new forms of energy passenger train
CN212676404U (en) Battery pack
CN210073968U (en) Double-layer module support and battery module
CN212934765U (en) Battery shock attenuation mount pad for new energy automobile
CN213682281U (en) Electric loader
CN209786002U (en) Double-layer structure aluminum alloy battery box for environment-friendly new energy automobile
CN219107950U (en) Large-area electric control cover plate and motor controller
CN201613806U (en) Mounting structure of whole vehicle power battery of electric vehicle
CN217598748U (en) Battery box mounting structure
CN209912940U (en) Battery pack box body of electric forklift
CN218731485U (en) Lower box body of power battery, power battery and vehicle
CN217778330U (en) Damping structure, three electric installation and car
WO2024139952A1 (en) Quick-swapping assembly and battery swapping vehicle comprising same
CN212485449U (en) Convenient mounting box of battery
CN215621359U (en) Battery pack for vehicle and vehicle
CN220106755U (en) Battery box, battery pack and vehicle
CN211350774U (en) Double-layer module support of power battery pack and power battery pack
CN217435860U (en) Wheel casing assembly and vehicle
CN217917589U (en) Battery package installing support and car

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication