CN111540857A - Assembled battery box and assembling method thereof - Google Patents

Assembled battery box and assembling method thereof Download PDF

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Publication number
CN111540857A
CN111540857A CN202010371805.2A CN202010371805A CN111540857A CN 111540857 A CN111540857 A CN 111540857A CN 202010371805 A CN202010371805 A CN 202010371805A CN 111540857 A CN111540857 A CN 111540857A
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CN
China
Prior art keywords
side plate
plate
bottom plate
box body
front side
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Pending
Application number
CN202010371805.2A
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Chinese (zh)
Inventor
陶林
谢虹
朴雨植
唐城琨
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Taybo Shanghai Environmental Technology Co Ltd
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Taybo Shanghai Environmental Technology Co Ltd
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Priority to CN202010371805.2A priority Critical patent/CN111540857A/en
Publication of CN111540857A publication Critical patent/CN111540857A/en
Pending legal-status Critical Current

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    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/058—Construction or manufacture
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • 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
    • 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
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50—Manufacturing or production processes characterised by the final manufactured product

Abstract

The invention provides an assembled battery box body which comprises a bottom plate, a top plate, a first sealing ring, a second sealing ring, a left side plate, a right side plate, a front side plate and a rear side plate, wherein the front side plate and the rear side plate are close to the positive and negative electrodes of a module; the first sealing ring is arranged between the bottom plate and the side plate, and the second sealing ring is arranged between the side plate and the top plate; the bottom plate is respectively fixed with the left side plate and the right side plate through bolts, the bottom plate is respectively fixed with the front side plate and the rear side plate through bolts or a welding mode, the top plate is respectively fixed with the left side plate, the right side plate, the front side plate and the rear side plate through bolts, and the two sides of the left side plate and the right side plate are respectively fixed with the front side plate and the rear side plate through bolts or screws. The invention also provides an assembly method of the assembled battery box body. The invention has split design, convenient transportation and storage, convenient assembly and simple installation, solves the problems of short circuit and the like caused by the contact of the positive and negative electrodes of the module with the inner wall of the box body in the assembly process, and ensures the safety in the operation process.

Description

Assembled battery box and assembling method thereof
Technical Field
The invention relates to the field of battery box bodies, in particular to an assembled battery box body and an assembling method thereof.
Background
Present lithium ion battery is when assembling, generally installs splendid attire lithium ion battery's box earlier, assembles lithium ion battery to the box again, so appear following problem easily: 1) the distance between the positive and negative electrodes of the module and the inner wall of the box body is very close, so that the problems that the positive and negative electrodes of the module are in contact with the inner wall of the box body to cause short circuit and the like are easily caused during assembly operation, and danger is caused; 2) the space in the box body is generally designed to be smaller, so that the problem of inconvenient operation exists when the lithium ion battery is assembled; 3) the screws, bolts, etc. fall easily into the box and are not easily removed.
Disclosure of Invention
The invention aims to provide an assembled battery box body and an assembling method thereof, aiming at the defects in the prior art, the assembled battery box body is designed in a split mode, is convenient to transport and store, is convenient to assemble and simple to install, solves the problems of short circuit and the like caused by the contact of the positive electrode and the negative electrode of a module with the inner wall of the box body in the assembling process, and ensures the safety in the operation process on the premise of ensuring the performance of a battery.
According to one aspect of the invention, an assembled battery box body is provided, which comprises a bottom plate (1), side plates, a top plate (6), a first sealing ring (7) and a second sealing ring (8), wherein the side plates comprise a left side plate (2), a right side plate (3), and a front side plate (4) and a rear side plate (5) which are close to the positive and negative electrodes of a module; the first sealing ring (7) is arranged between the bottom plate (1) and the side plate, and the second sealing ring (8) is arranged between the side plate and the top plate (6); the bottom plate (1) is respectively fixed with the left side plate (2) and the right side plate (3) through bolts, the bottom plate (1) is respectively fixed with the front side plate (4) and the rear side plate (5) through bolts or a welding mode, the top plate (6) is respectively fixed with the left side plate (2), the right side plate (3), the front side plate (4) and the rear side plate (5) through bolts, and the two sides of the left side plate (2) and the right side plate (3) are respectively fixed with the front side plate (4) and the rear side plate (5) through bolts or screws.
Preferably, the four sides of roof (6) all are provided with perpendicularly with roof mounting panel (11) of curb plate cooperation assembly, all seted up one row of a plurality of bolt via holes (12) on roof mounting panel (11).
Preferably, a row of multiple bolt through holes (12) are formed in the upper portion and the lower portion of the left side plate (2) and the right side plate (3) respectively.
Preferably, nuts (13) are welded on the inner sides of the bolt through holes (12) in the upper and lower parts of the left side plate (2) and the right side plate (3).
Preferably, the four sides of bottom plate (1) all are provided with bottom plate mounting panel (9) with curb plate cooperation assembly perpendicularly, first sealing washer (7) cover is established on the outer wall of bottom plate mounting panel (9), it does not respectively seted up one row of a plurality of bolt via holes (12) to equally divide on the upper and lower part of preceding curb plate (4) and posterior lateral plate (5), bottom plate mounting panel (9), first sealing washer (7).
Preferably, bottom plate (1) all is provided with bottom plate mounting panel (9) of cooperation assembly perpendicularly with the edge of a symmetry side of left side board (2) and right side board (3) assembly, and another symmetry side is fixed through welded mode with preceding curb plate (4) and posterior lateral plate (5), first sealing washer (7) set up on the outer wall of bottom plate mounting panel (9), equally divide on upper portion, bottom plate mounting panel (9), the first sealing washer (7) of preceding curb plate (4) and posterior lateral plate (5) and do not seted up one row of a plurality of bolt via holes (12).
Preferably, the both sides of left side board (2) and right side board (3) are equipped with respectively with curb plate mounting panel (10) of preceding curb plate (4) and posterior lateral plate (5) cooperation assembly, equally divide on the left and right parts of preceding curb plate (4) and posterior lateral plate (5), curb plate mounting panel (10) and respectively seted up one row of a plurality of bolt via holes (12).
Preferably, nuts (13) are welded on the inner sides of the bolt through holes (12) in the front side plate (4) and the rear side plate (5).
Preferably, screw holes (14) matched with the front side plate (4) and the rear side plate (5) are respectively formed in two sides of the left side plate (2) and the right side plate (3).
In order to achieve the above object, the present invention further provides an assembling method of an assembled battery box, comprising the following steps:
step one, arranging a first sealing ring (7) on the outer wall of a bottom plate mounting plate (9), assembling a battery cell on the upper end face of a bottom plate (1), and arranging the anode and the cathode of a module on the left side and the right side of the bottom plate (1);
secondly, if the bottom plate (1) is not welded and fixed with the front side plate (4) and the rear side plate (5), the bottom plate (1) is firstly assembled and fixed with the front side plate (4) and the rear side plate (5) respectively through bolts, and then the bottom plate (1) is assembled and fixed with the left side plate (2) and the right side plate (3) respectively; if the bottom plate (1) is welded and fixed with the front side plate (4) and the rear side plate (5), the bottom plate (1) is fixed with the left side plate (2) and the right side plate (3) through bolts respectively;
thirdly, assembling and fixing the two sides of the left side plate (2) and the right side plate (3) with a front side plate (4) and a rear side plate (5) respectively through bolts;
and fourthly, the second sealing ring (8) is arranged on the top end face of the side plate, and the top plate (6) is fixedly assembled with the left side plate (2), the right side plate (3), the front side plate (4) and the rear side plate (5) through bolts.
Compared with the prior art, the invention has the following beneficial effects:
(1) according to the assembled battery box and the assembling method thereof, the lithium ion battery is assembled on the bottom plate of the box, and then the external box is assembled, so that the assembly is more convenient, and the problem of inconvenient operation caused by small space in the box is solved;
(2) the assembled battery box body and the assembling method thereof solve the problems of short circuit and the like caused by the contact of the positive and negative electrodes of the module with the inner wall of the box body in the assembling process, ensure the safety in the operation process on the premise of ensuring the performance of the battery, and further ensure the safety of operators;
(3) the assembled battery box body and the assembling method thereof have split design, are disassembled into single parts with small volume and light weight, and are convenient to transport and store;
(4) according to the assembled battery box body and the assembling method thereof, the bolt is assembled by matching the nut welded on the inner wall of the box body from the outside of the box body, so that the problem that the bolt, the screw, and the like easily fall into the box body and are not easy to take out is solved;
(5) the assembled battery box body and the assembling method thereof have the advantages of simple structure, ingenious design and remarkable effect;
(6) the assembled battery box body and the assembling method thereof have various and flexible structures, meet various use requirements and have strong practicability;
(7) according to the assembled battery box body and the assembling method thereof, the contact part of each connecting surface is provided with the sealing ring, so that the sealing property in the box body is ensured;
(8) the assembled battery box body and the assembling method thereof have the advantages of simple manufacture, easy processing and assembly, low cost, strong practicability and suitability for large-scale popularization.
Drawings
Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
fig. 1 is an exploded view of the assembled battery case according to example 1;
fig. 2 is a schematic perspective view of the assembled battery box according to embodiment 1;
FIG. 3 is a schematic view of the construction of the left and right side plates of the mounting plate with side plates;
FIG. 4 is a schematic structural view of a front side plate and a rear side plate both provided with bolt through holes at left and right portions thereof;
fig. 5 is a schematic structural view of an assembled battery case according to embodiment 2;
FIG. 6 is a schematic view of the construction of the left and right side plates without the side plate mounting plate;
FIG. 7 is a schematic structural view of a front side plate and a rear side plate without bolt through holes at the left and right parts;
fig. 8 is a first schematic structural view of the assembled battery case according to embodiment 3;
fig. 9 is a second schematic structural view of the assembled battery case according to embodiment 3;
fig. 10 is a schematic structural view of an assembled battery case according to embodiment 4;
FIG. 11 is a schematic view of the assembly of the bottom plate with the front and rear side plates by bolts;
fig. 12 is a schematic view of the assembly of the bottom plate with the left and right side plates by bolts.
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the invention, but are not intended to limit the invention in any way. It should be noted that variations and modifications can be made by persons skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Example 1
The present embodiment provides an assembled battery box, the structure of which is shown in fig. 1-4: the device comprises a bottom plate 1, side plates, a top plate 6, a first sealing ring 7 and a second sealing ring 8, wherein the side plates comprise a left side plate 2, a right side plate 3, a front side plate 4 and a rear side plate 5 which are close to the positive and negative electrodes of a module; the first sealing ring 7 is arranged between the bottom plate 1 and the side plate, and the second sealing ring 8 is arranged between the side plate and the top plate 6; the bottom plate 1 passes through the bolt fastening with left side board 2 and right side board 3 respectively, bottom plate 1 passes through the bolt fastening with preceding curb plate 4 and posterior lateral plate 5 respectively, roof 6 passes through the bolt fastening with left side board 2, right side board 3, preceding curb plate 4 and posterior lateral plate 5 respectively, the both sides of left side board 2 and right side board 3 pass through the bolt fastening with preceding curb plate 4 and posterior lateral plate 5 respectively.
Further, the four sides of roof 6 all are provided with perpendicularly with curb plate cooperation assembly's roof mounting panel 11, a row of a plurality of bolt via holes 12 have all been seted up on the roof mounting panel 11.
Further, a row of a plurality of bolt through holes 12 are respectively formed in the upper and lower parts of the left side plate 2 and the right side plate 3.
Further, nuts 13 are welded on the inner sides of the bolt through holes 12 in the upper and lower parts of the left side plate 2 and the right side plate 3.
Further, the four sides of bottom plate 1 all are provided with perpendicularly with curb plate cooperation assembly's bottom plate mounting panel 9, 7 covers of first sealing washer are established on the outer wall of bottom plate mounting panel 9, equally divide on the upper and lower part of preceding curb plate 4 and posterior lateral plate 5, bottom plate mounting panel 9, first sealing washer 7 and do not seted up one row of a plurality of bolt via holes 12.
Further, the both sides of left side board 2 and right side board 3 are equipped with respectively with preceding curb plate 4 and 5 cooperation assembly's of posterior lateral plate curb plate mounting panel 10, equally divide on preceding curb plate 4 and the left and right parts of posterior lateral plate 5, the curb plate mounting panel 10 and respectively seted up one row of a plurality of bolt via holes 12.
Further, nuts 13 are welded on the inner sides of the bolt through holes 12 on the front side plate 4 and the rear side plate 5. That is, nuts 13 are welded to the inner sides of all the bolt through holes 12 provided in the front side plate 4 and the rear side plate 5.
Example 2
The present embodiment provides an assembled battery box, the structure of which is shown in fig. 5-7: the device comprises a bottom plate 1, side plates, a top plate 6, a first sealing ring 7 and a second sealing ring 8, wherein the side plates comprise a left side plate 2, a right side plate 3, a front side plate 4 and a rear side plate 5 which are close to the positive and negative electrodes of a module; the first sealing ring 7 is arranged between the bottom plate 1 and the side plate, and the second sealing ring 8 is arranged between the side plate and the top plate 6; the bottom plate 1 passes through the bolt fastening with left side board 2 and right side board 3 respectively, bottom plate 1 passes through the bolt fastening with preceding curb plate 4 and posterior lateral plate 5 respectively, roof 6 passes through the bolt fastening with left side board 2, right side board 3, preceding curb plate 4 and posterior lateral plate 5 respectively, the both sides of left side board 2 and right side board 3 pass through the fix with screw with preceding curb plate 4 and posterior lateral plate 5 respectively.
Further, the four sides of roof 6 all are provided with perpendicularly with curb plate cooperation assembly's roof mounting panel 11, a row of a plurality of bolt via holes 12 have all been seted up on the roof mounting panel 11.
Further, a row of a plurality of bolt through holes 12 are respectively formed in the upper and lower parts of the left side plate 2 and the right side plate 3.
Further, nuts 13 are welded on the inner sides of the bolt through holes 12 in the upper and lower parts of the left side plate 2 and the right side plate 3.
Further, the four sides of bottom plate 1 all are provided with perpendicularly with curb plate cooperation assembly's bottom plate mounting panel 9, 7 covers of first sealing washer are established on the outer wall of bottom plate mounting panel 9, equally divide on the upper and lower part of preceding curb plate 4 and posterior lateral plate 5, bottom plate mounting panel 9, first sealing washer 7 and do not seted up one row of a plurality of bolt via holes 12.
Further, nuts 13 are welded on the inner sides of the bolt through holes 12 on the front side plate 4 and the rear side plate 5.
Further, screw holes 14 matched with the front side plate 4 and the rear side plate 5 are respectively formed in two sides of the left side plate 2 and the right side plate 3.
Example 3
The present embodiment provides an assembled battery box, the structure of which is shown in detail in fig. 3 and 8: the device comprises a bottom plate 1, side plates, a top plate 6, a first sealing ring 7 and a second sealing ring 8, wherein the side plates comprise a left side plate 2, a right side plate 3, a front side plate 4 and a rear side plate 5 which are close to the positive and negative electrodes of a module; the first sealing ring 7 is arranged between the bottom plate 1 and the side plate, and the second sealing ring 8 is arranged between the side plate and the top plate 6; the bottom plate 1 passes through the bolt fastening with left side board 2 and right side board 3 respectively, bottom plate 1 is fixed through welding mode with preceding curb plate 4 and posterior lateral plate 5 respectively, roof 6 passes through the bolt fastening with left side board 2, right side board 3, preceding curb plate 4 and posterior lateral plate 5 respectively, the both sides of left side board 2 and right side board 3 pass through the bolt fastening with preceding curb plate 4 and posterior lateral plate 5 respectively.
Further, the four sides of roof 6 all are provided with perpendicularly with curb plate cooperation assembly's roof mounting panel 11, a row of a plurality of bolt via holes 12 have all been seted up on the roof mounting panel 11.
Further, a row of a plurality of bolt through holes 12 are respectively formed in the upper and lower parts of the left side plate 2 and the right side plate 3.
Further, nuts 13 are welded on the inner sides of the bolt through holes 12 in the upper and lower parts of the left side plate 2 and the right side plate 3.
Further, the bottom plate 1 all is provided with the bottom plate mounting panel 9 of cooperation assembly perpendicularly with the edge of the symmetry side of left side board 2 and the assembly of right side board 3, and another symmetry side is fixed through welded mode with preceding curb plate 4 and posterior lateral plate 5, first sealing washer 7 sets up on the outer wall of bottom plate mounting panel 9, equally divide on upper portion, bottom plate mounting panel 9, the first sealing washer 7 of preceding curb plate 4 and posterior lateral plate 5 and do not seted up one row of a plurality of bolt via holes 12. In addition, a bottom plate mounting plate 9 can be arranged in a symmetrical mode that the bottom plate 1 is fixed with the front side plate 4 and the rear side plate 5 through welding, and as shown in fig. 9, the connecting strength of the front side plate 4 and the rear side plate 5 with the bottom plate can be increased.
Further, the both sides of left side board 2 and right side board 3 are equipped with respectively with preceding curb plate 4 and 5 cooperation assembly's of posterior lateral plate curb plate mounting panel 10, equally divide on preceding curb plate 4 and the left and right parts of posterior lateral plate 5, the curb plate mounting panel 10 and respectively seted up one row of a plurality of bolt via holes 12.
Further, nuts 13 are welded on the inner sides of the bolt through holes 12 on the front side plate 4 and the rear side plate 5.
Example 4
The present embodiment provides an assembled battery box, the structure of which is shown in detail in fig. 6 and 10: the device comprises a bottom plate 1, side plates, a top plate 6, a first sealing ring 7 and a second sealing ring 8, wherein the side plates comprise a left side plate 2, a right side plate 3, a front side plate 4 and a rear side plate 5 which are close to the positive and negative electrodes of a module; the first sealing ring 7 is arranged between the bottom plate 1 and the side plate, and the second sealing ring 8 is arranged between the side plate and the top plate 6; the bottom plate 1 passes through the bolt fastening with left side board 2 and right side board 3 respectively, bottom plate 1 is fixed through welding mode with preceding curb plate 4 and posterior lateral plate 5 respectively, roof 6 passes through the bolt fastening with left side board 2, right side board 3, preceding curb plate 4 and posterior lateral plate 5 respectively, the both sides of left side board 2 and right side board 3 pass through the fix with screw with preceding curb plate 4 and posterior lateral plate 5 respectively.
Further, the four sides of roof 6 all are provided with perpendicularly with curb plate cooperation assembly's roof mounting panel 11, a row of a plurality of bolt via holes 12 have all been seted up on the roof mounting panel 11.
Further, a row of a plurality of bolt through holes 12 are respectively formed in the upper and lower parts of the left side plate 2 and the right side plate 3.
Further, nuts 13 are welded on the inner sides of the bolt through holes 12 in the upper and lower parts of the left side plate 2 and the right side plate 3.
Further, the bottom plate 1 all is provided with the bottom plate mounting panel 9 of cooperation assembly perpendicularly with the edge of the symmetry side of left side board 2 and the assembly of right side board 3, and another symmetry side is fixed through welded mode with preceding curb plate 4 and posterior lateral plate 5, first sealing washer 7 sets up on the outer wall of bottom plate mounting panel 9, equally divide on upper portion, bottom plate mounting panel 9, the first sealing washer 7 of preceding curb plate 4 and posterior lateral plate 5 and do not seted up one row of a plurality of bolt via holes 12.
Further, nuts 13 are welded on the inner sides of the bolt through holes 12 on the front side plate 4 and the rear side plate 5.
Further, screw holes 14 matched with the front side plate 4 and the rear side plate 5 are respectively formed in two sides of the left side plate 2 and the right side plate 3.
Example 5
This embodiment provides an assembled battery case having the structure described in embodiments 1 to 4.
The invention also provides an assembly method of the assembled battery box body, which comprises the following steps:
step one, the first sealing ring 7 is arranged on the outer wall of the bottom plate mounting plate 9, the battery cell is assembled on the upper end face of the bottom plate 1, and the anode and the cathode of the module are arranged on the left side and the right side of the bottom plate 1;
step two, if the bottom plate 1 is not welded and fixed with the front side plate 4 and the rear side plate 5, the bottom plate 1 is firstly assembled and fixed with the front side plate 4 and the rear side plate 5 respectively through bolts, and then the bottom plate 1 is assembled and fixed with the left side plate 2 and the right side plate 3 respectively, as shown in fig. 11 and 12; if the bottom plate 1 is welded and fixed with the front side plate 4 and the rear side plate 5, the bottom plate 1 is fixed with the left side plate 2 and the right side plate 3 through bolts respectively;
thirdly, assembling and fixing the two sides of the left side plate 2 and the right side plate 3 with a front side plate 4 and a rear side plate 5 respectively through bolts;
and fourthly, arranging the second sealing ring 8 on the top end surface of the side plate, and respectively assembling and fixing the top plate 6 with the left side plate 2, the right side plate 3, the front side plate 4 and the rear side plate 5 through bolts.
Examples 1 to 5 have the following advantageous effects:
(1) the lithium ion battery is assembled on the bottom plate of the box body, and then the external box body is assembled, so that the assembly is more convenient, and the problem of inconvenient operation caused by small space in the box body is solved;
(2) the problems of short circuit and the like caused by the contact of the positive electrode and the negative electrode of the module with the inner wall of the box body in the assembling process are solved, and the safety in the operation process is ensured on the premise of ensuring the performance of the battery, so that the safety of operators is ensured;
(3) the split type design is adopted, and the split type structure is disassembled into a single component with small volume and light weight, so that the transportation and the storage are convenient;
(4) the bolt is assembled from the outside of the box body in a matched manner with the nut welded on the inner wall of the box body, so that the problem that the bolt, the screw, and the like easily fall into the box body and are not easy to take out is solved;
(5) the structure is simple, the design is ingenious, and the effect is obvious;
(6) the structure is various, flexible and changeable, various use requirements are met, and the practicability is high;
(7) the contact part of each connecting surface is provided with a sealing ring, so that the sealing property in the box body is ensured;
(8) the manufacturing is simple, the processing and the assembly are easy, the cost is low, the practicability is high, and the method is suitable for large-scale popularization.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes and modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the invention.

Claims (10)

1. An assembled battery box body is characterized by comprising a bottom plate (1), side plates, a top plate (6), a first sealing ring (7) and a second sealing ring (8), wherein the side plates comprise a left side plate (2), a right side plate (3), a front side plate (4) and a rear side plate (5) which are close to the positive and negative electrodes of a module; the first sealing ring (7) is arranged between the bottom plate (1) and the side plate, and the second sealing ring (8) is arranged between the side plate and the top plate (6); the bottom plate (1) is respectively fixed with the left side plate (2) and the right side plate (3) through bolts, the bottom plate (1) is respectively fixed with the front side plate (4) and the rear side plate (5) through bolts or a welding mode, the top plate (6) is respectively fixed with the left side plate (2), the right side plate (3), the front side plate (4) and the rear side plate (5) through bolts, and the two sides of the left side plate (2) and the right side plate (3) are respectively fixed with the front side plate (4) and the rear side plate (5) through bolts or screws.
2. The assembled battery box body as claimed in claim 1, wherein top plate mounting plates (11) matched with the side plates are vertically arranged on four sides of the top plate (6), and a row of multiple bolt through holes (12) are formed in each top plate mounting plate (11).
3. The assembled battery box body as claimed in claim 2, wherein the upper and lower parts of the left side plate (2) and the right side plate (3) are respectively provided with a row of a plurality of bolt through holes (12).
4. The assembled battery box body as claimed in claim 3, wherein nuts (13) are welded to the inner sides of the bolt through holes (12) at the upper and lower parts of the left side plate (2) and the right side plate (3).
5. The assembled battery box body as claimed in claim 4, wherein the bottom plate mounting plates (9) are vertically arranged on four sides of the bottom plate (1) and are matched with the side plates, the first sealing rings (7) are sleeved on the outer walls of the bottom plate mounting plates (9), and a row of bolt through holes (12) are respectively formed in the upper and lower parts of the front side plate (4) and the rear side plate (5), the bottom plate mounting plates (9) and the first sealing rings (7).
6. The assembled battery box body as claimed in claim 4, wherein the bottom plate (1) is vertically provided with a bottom plate mounting plate (9) which is matched and assembled with the edge of a symmetrical side of the left side plate (2) and the right side plate (3), the other symmetrical side is fixed with the front side plate (4) and the rear side plate (5) in a welding manner, the first sealing ring (7) is arranged on the outer wall of the bottom plate mounting plate (9), and the upper parts of the front side plate (4) and the rear side plate (5), the bottom plate mounting plate (9) and the first sealing ring (7) are respectively provided with a row of a plurality of bolt through holes (12).
7. The assembled battery box body as claimed in claim 5 or 6, wherein side plate mounting plates (10) matched with the front side plate (4) and the rear side plate (5) are respectively arranged on two sides of the left side plate (2) and the right side plate (3), and a row of a plurality of bolt through holes (12) are respectively arranged on the left part and the right part of the front side plate (4) and the rear side plate (5) and on the side plate mounting plates (10).
8. The assembled battery box body as claimed in claim 7, wherein nuts (13) are welded to the inner sides of the bolt through holes (12) on the front side plate (4) and the rear side plate (5).
9. The assembled battery box body as claimed in claim 5 or 6, wherein screw holes (14) matched with the front side plate (4) and the rear side plate (5) are respectively formed on two sides of the left side plate (2) and the right side plate (3).
10. An assembling method of an assembled battery box body is characterized by comprising the following steps:
step one, arranging a first sealing ring (7) on the outer wall of a bottom plate mounting plate (9), assembling a battery cell on the upper end face of a bottom plate (1), and arranging the anode and the cathode of a module on the left side and the right side of the bottom plate (1);
secondly, if the bottom plate (1) is not welded and fixed with the front side plate (4) and the rear side plate (5), the bottom plate (1) is firstly assembled and fixed with the front side plate (4) and the rear side plate (5) respectively through bolts, and then the bottom plate (1) is assembled and fixed with the left side plate (2) and the right side plate (3) respectively; if the bottom plate (1) is welded and fixed with the front side plate (4) and the rear side plate (5), the bottom plate (1) is fixed with the left side plate (2) and the right side plate (3) through bolts respectively;
thirdly, assembling and fixing the two sides of the left side plate (2) and the right side plate (3) with a front side plate (4) and a rear side plate (5) respectively through bolts;
and fourthly, the second sealing ring (8) is arranged on the top end face of the side plate, and the top plate (6) is fixedly assembled with the left side plate (2), the right side plate (3), the front side plate (4) and the rear side plate (5) through bolts.
CN202010371805.2A 2020-05-06 2020-05-06 Assembled battery box and assembling method thereof Pending CN111540857A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0530798U (en) * 1991-09-30 1993-04-23 日立造船株式会社 Grove Box
KR19980027051U (en) * 1996-11-14 1998-08-05 김영귀 Assembly structure of roof panel and side pillar of van
KR19990036577U (en) * 1998-02-25 1999-09-27 조계원 Wall safe storage box
JP2002362558A (en) * 2001-06-01 2002-12-18 Mitsuo Takahashi Pallet and transport case
JP2005059931A (en) * 2003-08-19 2005-03-10 Jsr Corp Knockdown container and knockdown container unit
CN205595389U (en) * 2016-04-13 2016-09-21 无锡丰晟科技有限公司 Rack, dual -purpose lithium battery box of hanging
CN206225437U (en) * 2016-11-29 2017-06-06 北京鼎能开源电池科技股份有限公司 A kind of sliceable power-supply system casing
CN206274530U (en) * 2016-12-30 2017-06-23 惠州市亿能电子有限公司 A kind of pin-connected panel battery bag casing
CN206976437U (en) * 2017-06-07 2018-02-06 深圳市沃特玛电池有限公司 A kind of battery case
CN110600646A (en) * 2019-08-30 2019-12-20 北斗航天汽车（北京）有限公司 Battery box of electric forklift and electric forklift using battery box

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0530798U (en) * 1991-09-30 1993-04-23 日立造船株式会社 Grove Box
KR19980027051U (en) * 1996-11-14 1998-08-05 김영귀 Assembly structure of roof panel and side pillar of van
KR19990036577U (en) * 1998-02-25 1999-09-27 조계원 Wall safe storage box
JP2002362558A (en) * 2001-06-01 2002-12-18 Mitsuo Takahashi Pallet and transport case
JP2005059931A (en) * 2003-08-19 2005-03-10 Jsr Corp Knockdown container and knockdown container unit
CN205595389U (en) * 2016-04-13 2016-09-21 无锡丰晟科技有限公司 Rack, dual -purpose lithium battery box of hanging
CN206225437U (en) * 2016-11-29 2017-06-06 北京鼎能开源电池科技股份有限公司 A kind of sliceable power-supply system casing
CN206274530U (en) * 2016-12-30 2017-06-23 惠州市亿能电子有限公司 A kind of pin-connected panel battery bag casing
CN206976437U (en) * 2017-06-07 2018-02-06 深圳市沃特玛电池有限公司 A kind of battery case
CN110600646A (en) * 2019-08-30 2019-12-20 北斗航天汽车（北京）有限公司 Battery box of electric forklift and electric forklift using battery box

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