CN211045543U - Battery module and box thereof - Google Patents
Battery module and box thereof Download PDFInfo
- Publication number
- CN211045543U CN211045543U CN201922414026.1U CN201922414026U CN211045543U CN 211045543 U CN211045543 U CN 211045543U CN 201922414026 U CN201922414026 U CN 201922414026U CN 211045543 U CN211045543 U CN 211045543U
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- China
- Prior art keywords
- plate
- cover plate
- upper cover
- battery module
- partition
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- 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
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Abstract
The utility model relates to a battery field discloses a battery module and box thereof, the box includes drain pan and upper cover plate (2), the drain pan includes lower apron (1), two end plates (3) and first curb plate (4) of an organic whole connection, be provided with at least one baffle (5) on lower apron (1), the top edge of baffle (5) is provided with hook portion (6), upper cover plate (2) are provided with and hold hook portion (6) male card hole (7), upper cover plate (2) can for the drain pan removes between latched position and unblock position. Through the technical scheme, the original bolt connection mode is replaced by the hook matching mode, the partition plate can be allowed to have smaller thickness, the material cost can be saved, the connection operation between the partition plate and the upper cover plate is simplified, and the assembly efficiency is improved.
Description
Technical Field
The utility model relates to a battery field specifically relates to a box of battery module to a battery module is related to.
Background
The battery module includes the box and sets up the electric core in the box, and the box includes apron, end plate, curb plate and sets up the baffle in inside from top to bottom, and in order to guarantee the joint strength of upper cover plate, the top of baffle is provided with the bolt hole to through bolt with upper cover plate spiro union in baffle.
However, in order to bolt holes in the partition plate and to secure the strength of the partition plate, the thickness of the partition plate is relatively large, and since the number of the partition plates is large, the number of the bolts is also relatively large, and the operation of connecting the partition plate and the upper cover plate is relatively complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a box of battery module to solve the problem that upper cover plate and baffle assembly operation are comparatively complicated, baffle thickness is great.
In order to achieve the above object, the utility model provides a box of battery module, wherein, the box includes drain pan and upper cover plate, the drain pan includes integrative connection's lower apron, two end plates and first curb plate, be provided with at least one baffle on the lower apron, the top edge of baffle is provided with hook portion, the upper cover plate is provided with and holds hook portion male card hole, the upper cover plate can for the drain pan removes between latched position and unblock position latched position, hook portion hooks to be in card hole edge is in order to block the upper cover plate is kept away from the lower cover plate removes unblock position, hook portion wholly aligns the card hole is in order to allow the upper cover plate is kept away from the lower cover plate removes.
Alternatively, the catch portion includes a vertical portion extending upward from the partition and a horizontal portion extending horizontally from the vertical portion, and a portion of the edge of the catch hole is sandwiched between the horizontal portion and the partition in the lock position.
Optionally, the hook portion is a plate-shaped member integrally formed with the partition plate.
Optionally, the thickness of the separator is 1.5mm-2.0 mm.
Optionally, the upper edge of the first side plate is provided with a protrusion, the protrusion is provided with a strip-shaped hole, the edge of the upper cover plate close to the first side plate is provided with a tongue piece, the tongue piece is inserted into the strip-shaped hole at the locking position, and the tongue piece is separated from the strip-shaped hole at the unlocking position.
Optionally, the upper edge of the end plate is connected with a flanging part, and the upper cover plate is connected with the flanging part through bolts.
Optionally, a support ring is disposed on the partition plate, the end plate and the first side plate.
Optionally, the outer surface of the end plate is provided with a connecting plate.
Optionally, the box body further comprises a second side plate detachably connected to the bottom case.
Additionally, the utility model also provides a battery module, wherein, battery module includes above scheme the box and the setting of battery module are in electric core in the box.
Through the technical scheme, the original bolt connection mode is replaced by the hook matching mode, the partition plate can be allowed to have smaller thickness, the material cost can be saved, the connection operation between the partition plate and the upper cover plate is simplified, and the assembly efficiency is improved.
Drawings
Fig. 1 is an exploded view of a case of a battery module according to an embodiment of the present invention;
fig. 2 is a perspective view of a case of a battery module according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 2;
fig. 4 is a perspective view of another view angle of the box of the electric letter module according to the embodiment of the present invention.
Description of the reference numerals
1 lower cover plate 2 upper cover plate
3 end plate 4 first side plate
5 baffle 6 hook part
7 clamping hole 8 bulge
9 slotted hole 10 tongue
11 support ring 12 connecting plate
13 turnup part
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
The utility model provides a box of battery module, wherein, the box includes drain pan and upper cover plate 2, the drain pan includes lower apron 1, two end plates 3 and the first curb plate 4 of an organic whole connection, be provided with at least one baffle 5 on the lower apron 1, the top edge of baffle 5 is provided with hook portion 6, upper cover plate 2 is provided with and holds hook portion 6 male card hole 7, upper cover plate 2 can for the drain pan removes between latched position and unblock position latched position, hook portion 6 hooks and hangs card hole 7 edge is in order to block upper cover plate 2 keeps away from 1 removal of lower apron, unblock position, hook portion 6 wholly aligns card hole 7 is with the permission upper cover plate 2 keeps away from 1 removal of lower apron.
Referring to fig. 1, the box body includes an upper cover plate 2, a lower cover plate 1, an end plate 3 and a first side plate 4, wherein the lower cover plate 1, the end plate 3 and the first side plate 4 are integrally connected to form the bottom shell, and a partition plate 5 is disposed on the lower cover plate 1.
The upper edge of the partition board 5 is provided with a hook portion 6, the upper cover plate 2 is provided with a hook hole 7, the hook portion 6 can be inserted into the hook hole 7, as shown in fig. 2, and the upper cover plate 2 can move between an unlocking position and a locking position, at the locking position, the hook portion 6 is hooked on the edge of the hook hole 7, so that the upper cover plate 2 can be prevented from being separated, at the unlocking position, the hook portion 6 is aligned with the hook hole 7, so that the hook portion 6 can be allowed to be separated from the hook hole 7, and the upper cover plate 2 can be detached.
Connect baffle and upper cover plate through pothook complex mode, can replace original bolted connection's mode, need not provide the baffle that has enough thickness on the one hand (in order to set up the bolt hole), can reduce the thickness of baffle, save material cost, on the other hand, the operation of being connected of baffle and upper cover plate is more convenient, easy, has simplified assembly operation, has improved efficiency.
Specifically, the hook portion 6 includes a vertical portion extending upward from the bulkhead 5 and a horizontal portion extending horizontally from the vertical portion, and in the lock position, a portion of the edge of the hook hole 7 is sandwiched between the horizontal portion and the bulkhead 5. Referring to fig. 3, an upward vertical portion and a horizontal portion horizontally extending from the vertical portion are connected to an upper edge of the partition 5, the horizontal portion and the vertical portion are integrally formed in a hook shape, a space is formed between the horizontal portion and the upper edge of the partition 5, and in the locking position, a portion of the upper cover 2 at the edge of the catching hole 7 is sandwiched between the horizontal portion and the partition 5, thereby achieving locking of the upper cover 2, and in the unlocking position, no portion of the upper cover 2 is sandwiched between the horizontal portion and the partition 5, thereby allowing the upper cover 2 to move upward, the catching portion 6 is disengaged from the catching hole 7, and the upper cover 2 is disengaged from the restraint of the partition.
Alternatively, the hook portion 6 is a plate-like member integrally formed with the partition 5. Referring to fig. 1 and 3, the hook portion 6 is a plate-shaped member, and the hook portion 6 and the partition 5 are integrally formed, i.e., may be made of the same plate member, for example, by a press-forming process, which simplifies the process and facilitates the manufacturing process.
Optionally, the thickness of the partition 5 is 1.5mm to 2.0 mm. For the partition plate and the upper cover plate to be connected by the bolts, the top of the partition plate 5 is formed with bolt holes, and in order to secure sufficient strength, the partition plate 5 needs to have a sufficient thickness, or a flange having a sufficient width, which is approximately 7 mm. In the scheme, the plate-shaped clamping hook part 6 is processed on the partition plate 5, so that the partition plate 5 can be allowed to have smaller thickness of about 1.5mm-2.0mm, and a large amount of materials can be saved.
In addition, the upper edge of first curb plate 4 is provided with bulge 8, be provided with strip hole 9 on the bulge 8, upper cover plate 2 is close to the edge of first curb plate 4 is provided with tongue piece 10, in latched position, tongue piece 10 inserts strip hole 9, in unlatched position, tongue piece 10 breaks away from strip hole 9. Referring to fig. 4, the edge of the upper cover plate 2 is provided with a protruding tongue piece 10, the upper edge of the first side plate 4 is provided with a protruding portion 8, the protruding portion 8 is provided with a strip-shaped hole 9, and the tongue piece 10 can be inserted into the strip-shaped hole 9, so that the upper cover plate 2 can be further limited from moving upwards away from the lower cover plate 1, and the connection stability is further improved.
Furthermore, a flange portion 13 is connected to an upper edge of the end plate 3, and the upper cover plate 2 is connected to the flange portion 13 by bolts. The edge of the upper deck 2 and the burring 13 may be provided with bolt through-holes aligned with each other so as to be detachably coupled together by bolts. The bolt connection mode can realize the relative fixation of the upper cover plate 2 and the end plate 3, can prevent the relative movement, particularly the horizontal movement, between the upper cover plate 2 and the partition plate 5, and prevent the hook part 6 from moving from the locking position to the unlocking position. The connection of upper cover plate 2 and end plate 3 is the great connection of intensity, and upper cover plate 2 is connected for relatively weaker with baffle 5, allows upper cover plate 2 upwards or move down in less range of range, perhaps allows upper cover plate 2 to produce a certain amount of deformation, when the electric core inflation in the battery module, can upwards jack-up upper cover plate 2, and upper cover plate 2 can provide certain inflation space for electric core through self deformation promptly, improves the security performance.
In addition, the partition plate 5, the end plate 3 and the first side plate 4 are provided with a support ring 11. Referring to fig. 1 and 4, support rings 11 are disposed on two surfaces of the partition 5, an inner side surface of the end plate 3, and two side surfaces of the first side plate 4, the support rings 11 are generally oblong, and the support rings 11 may form gaps between the plates and other structures, so that insulating glue may be injected into the gaps to form insulating layers, thereby achieving electrical insulation and protecting the box and the internal cells.
The end plate 3 is further provided with a connecting plate 12 on its outer surface, as shown in fig. 1, 2 and 4, the connecting plate 12 is generally shaped like L, one part of which is attached to the end plate 3, the other part of which can be attached to other structures adjacent to the end plate to realize connection with other structures, such as bolt connection, welding connection, snap connection and the like, and a reinforcing plate part is connected between the two parts to improve the overall strength.
In addition, the case body further includes a second side plate detachably coupled to the bottom case. The second side plate is substantially parallel to the first side plate 4 and may be connected to the bottom shell by snap-fitting, bolting or the like, for example to the lower cover plate 1, the end plate 3 or the like, thereby forming a substantially closed hexahedral housing.
Additionally, the utility model provides a battery module, wherein, battery module includes above scheme the box and the setting of battery module are in electric core in the box. The box described above can be used for holding the electric core of the battery module so as to provide protection for the electric core.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited thereto. In the technical idea scope of the present invention, it is possible to provide the technical solution of the present invention with a plurality of simple modifications, including combining each specific technical feature in any suitable manner, and in order to avoid unnecessary repetition, the present invention does not provide additional description for various possible combinations. These simple variations and combinations should also be considered as disclosed in the present invention, all falling within the scope of protection of the present invention.
Claims (10)
1. The box body of the battery module is characterized by comprising a bottom shell and an upper cover plate (2), the bottom shell comprises a lower cover plate (1), two end plates (3) and a first side plate (4) which are integrally connected, at least one partition plate (5) is arranged on the lower cover plate (1), a hook part (6) is arranged on the upper edge of the partition plate (5), the upper cover plate (2) is provided with a clamping hole (7) for accommodating the clamping hook part (6) to be inserted, the upper cover (2) being movable with respect to the bottom shell between a locked position and an unlocked position, in the locking position, the hook part (6) is hooked at the edge of the clamping hole (7) to block the upper cover plate (2) from moving away from the lower cover plate (1), in the unlocking position, the hook part (6) is integrally aligned with the clamping hole (7) to allow the upper cover plate (2) to move away from the lower cover plate (1).
2. The case of battery modules as set forth in claim 1, wherein the hooking portion (6) comprises a vertical portion extending upward from the partition (5) and a horizontal portion extending horizontally from the vertical portion, and in the locking position, a portion of the edge of the hooking hole (7) is sandwiched between the horizontal portion and the partition (5).
3. The battery module case according to claim 2, wherein the hook part (6) is a plate-shaped member integrally formed with the separator (5).
4. The case of battery module according to claim 3, wherein the separator (5) has a thickness of 1.5mm to 2.0 mm.
5. The box body of the battery module as recited in claim 1, wherein the upper edge of the first side plate (4) is provided with a protrusion (8), the protrusion (8) is provided with a strip-shaped hole (9), the edge of the upper cover plate (2) close to the first side plate (4) is provided with a tongue piece (10), the tongue piece (10) is inserted into the strip-shaped hole (9) at the locking position, and the tongue piece (10) is disengaged from the strip-shaped hole (9) at the unlocking position.
6. The case of battery modules as set forth in claim 1, wherein a burring (13) is attached to the upper edge of the end plate (3), and the upper cover plate (2) is bolted to the burring (13).
7. The box of the battery module according to claim 1, wherein the partition (5), the end plate (3) and the first side plate (4) are provided with a support ring (11).
8. The case of battery modules as set forth in claim 1, wherein the outer surface of the end plate (3) is provided with a connection plate (12).
9. The case of the battery module according to claim 1, further comprising a second side plate detachably coupled to the bottom case.
10. A battery module, characterized in that the battery module comprises a box body of the battery module as claimed in any one of claims 1 to 9 and a battery cell disposed in the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922414026.1U CN211045543U (en) | 2019-12-27 | 2019-12-27 | Battery module and box thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922414026.1U CN211045543U (en) | 2019-12-27 | 2019-12-27 | Battery module and box thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211045543U true CN211045543U (en) | 2020-07-17 |
Family
ID=71569181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922414026.1U Active CN211045543U (en) | 2019-12-27 | 2019-12-27 | Battery module and box thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211045543U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022030922A1 (en) * | 2020-08-05 | 2022-02-10 | 주식회사 엘지에너지솔루션 | Battery module having structure capable of absorbing cell swelling, and battery pack and vehicle comprising same |
| WO2022045591A1 (en) * | 2020-08-26 | 2022-03-03 | 주식회사 엘지에너지솔루션 | Large battery module and battery pack including same |
-
2019
- 2019-12-27 CN CN201922414026.1U patent/CN211045543U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022030922A1 (en) * | 2020-08-05 | 2022-02-10 | 주식회사 엘지에너지솔루션 | Battery module having structure capable of absorbing cell swelling, and battery pack and vehicle comprising same |
| JP2023514178A (en) * | 2020-08-05 | 2023-04-05 | エルジー エナジー ソリューション リミテッド | A battery module having a structure capable of absorbing cell swelling, a battery pack including the same, and an automobile |
| JP7527384B2 (en) | 2020-08-05 | 2024-08-02 | エルジー エナジー ソリューション リミテッド | Battery module having a structure capable of absorbing cell swelling, battery pack including the same, and automobile |
| WO2022045591A1 (en) * | 2020-08-26 | 2022-03-03 | 주식회사 엘지에너지솔루션 | Large battery module and battery pack including same |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |