CN216958255U - Battery top cap subassembly and battery - Google Patents
Battery top cap subassembly and battery Download PDFInfo
- Publication number
- CN216958255U CN216958255U CN202220327755.2U CN202220327755U CN216958255U CN 216958255 U CN216958255 U CN 216958255U CN 202220327755 U CN202220327755 U CN 202220327755U CN 216958255 U CN216958255 U CN 216958255U
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- Prior art keywords
- battery
- mounting plate
- top cover
- connecting portion
- terminal
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- 238000007789 sealing Methods 0.000 claims description 30
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model relates to the technical field of batteries and discloses a battery top cover assembly and a battery. After the battery module assembly is completed, when being fixed on the mounting panel on the top cover plate by welding the pole terminal, because the mounting panel is inclined relative to the top cover plate, the pole terminal is also inclined relative to the top cover plate, so that a larger operation space can be provided for the welding of the pole terminal, the welding is more convenient, the welding efficiency can be effectively improved, and the problem of welding difficulty in the assembly welding of the battery module in the prior art is effectively solved. Meanwhile, the welding quality of the pole terminal on the top cover plate can be guaranteed due to the larger operation space, the battery is ensured to have good conductive performance, and the use safety is improved.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a battery top cover assembly and a battery.
Background
The lithium battery is generally connected with a pole terminal of the battery on a top cover plate or a shell of the lithium battery, or the top cover plate and the shell are both connected with the pole terminal, and the pole terminal is connected with an electric core inside the battery to supply power for the equipment to be powered.
In the prior art, after the post terminal passes through the top cover plate, the connecting end of the post terminal is generally horizontally arranged, that is, the post terminal is parallel to the plane where the top cover plate or the shell is located. This kind of design, when the battery module assembly arranges the back and welds, because the link of utmost point post terminal is parallel with the top cap piece, welding space is narrow and small, leads to the fixed welding operation difficulty of utmost point post terminal, has reduced welding efficiency, and welding quality is difficult to guarantee, influences the electric conductivity and the safety in utilization after the battery equipment.
SUMMERY OF THE UTILITY MODEL
In view of the above problems, an object of the present invention is to provide a battery top cap assembly and a battery, which can facilitate the welding and fixing operation of a post terminal on a top cap sheet, improve the welding efficiency, and simultaneously ensure the connection stability of the post terminal and the top cap sheet.
In order to achieve the purpose, the utility model adopts the following technical scheme:
in one aspect, a battery top cap assembly is provided, comprising:
a top cover sheet;
the mounting assembly comprises a mounting plate which is obliquely arranged on the top cover plate, a pole terminal of the battery is arranged on the mounting plate in a penetrating mode, and the pole terminal is configured to be connected with the battery core.
As a preferable aspect of the battery top cover assembly of the present invention, the mounting assembly further includes a first connecting portion and a second connecting portion respectively disposed at both ends of the mounting plate, and the first connecting portion and the second connecting portion extend in opposite directions.
As a preferable aspect of the battery top cover assembly of the present invention, the ends of the first connecting portion and the second connecting portion, which are away from the mounting plate, are both connected to the top cover plate, the connecting end of the mounting plate and the first connecting portion is protruded from the upper side surface of the top cover plate, and the connecting end of the mounting plate and the second connecting portion is protruded from the lower side surface of the top cover plate.
As a preferable scheme of the battery top cover assembly of the present invention, first chamfers are provided on both sides of a connection end of the mounting plate and the first connection portion, and second chamfers are provided on both sides of a connection end of the mounting plate and the second connection portion.
As a preferable aspect of the battery top cover assembly of the present invention, a junction of the mounting plate and the second connecting portion is rounded.
In a preferred embodiment of the battery top cover assembly of the present invention, the mounting plate, the first connecting portion, and the second connecting portion are integrally formed with the top cover sheet.
In a preferred embodiment of the battery top cover assembly of the present invention, the mounting plate is provided with a mounting hole, and the post terminal passes through the mounting plate via the mounting hole.
The battery top cover assembly further comprises a terminal pressing block, and the terminal pressing block is sleeved and fixedly connected to one end, extending out of the mounting plate, of the pole terminal.
The battery top cover assembly further comprises a first sealing member and a second sealing member, wherein the first sealing member is clamped between the terminal pressing block and the upper side surface of the mounting plate, the pole terminal is provided with a stopping part, and the second sealing member is clamped between the stopping part and the lower side surface of the mounting plate and can fill a gap between the outer peripheral wall of the pole terminal and the wall of the mounting hole.
In another aspect, a battery is also provided, which comprises the battery top cover assembly as described above.
The utility model has the beneficial effects that:
according to the battery top cover assembly and the battery, the mounting plate is obliquely arranged on the top cover sheet, and the pole terminal of the battery penetrates through the mounting plate from the lower side of the mounting plate and extends to the upper side of the mounting plate, so that the connecting end of the pole terminal and the top cover sheet form an included angle. After the battery module assembly is accomplished, when on the mounting panel of utmost point post terminal welded fastening on the top cap piece, because the relative top cap piece slope of mounting panel sets up, consequently utmost point post terminal passes also relative top cap piece slope setting behind the mounting panel, can provide bigger operating space for the welding of utmost point post terminal, and it is more convenient to weld, can effectively improve welding efficiency to weld the problem of difficulty when solving battery module assembly welding among the prior art. Meanwhile, the welding quality of the pole terminal on the top cover plate can be guaranteed due to the larger operation space, the battery is ensured to have good conductive performance, and the use safety is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is a schematic diagram of a battery top cap assembly according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1;
FIG. 3 is a top view of a battery top cap assembly provided by an embodiment of the present invention;
fig. 4 is a bottom view of a battery top cap assembly provided by an embodiment of the present invention;
fig. 5 is a schematic view of the mounting of the battery top cap assembly and the post terminal according to the embodiment of the present invention;
fig. 6 is a cross-sectional view of the post terminal mounted to the battery top cap assembly in accordance with an embodiment of the present invention.
In the figure:
1-a top cover sheet; 2-mounting the assembly; 3-a pole terminal; 4-terminal briquetting; 5-a first seal; 6-second
A seal member;
21-mounting a plate; 22-a first connection; 23-a second connection; 24-a first chamfer; 25-second chamfer;
211-mounting holes; 212-annular groove;
31-a stop;
61-a first sealing ring; 62-second sealing ring.
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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 6, the present embodiment provides a battery top cap assembly including a top cover sheet 1 and a mounting assembly 2. Wherein, the installation component 2 includes that the slope sets up the mounting panel 21 on the top cap piece 1, and the utmost point post terminal 3 of battery wears to locate on mounting panel 21, and utmost point post terminal 3 is configured to be connected with electric core. Referring to the orientation in fig. 6, one end of the pole terminal 3 located below the mounting plate 21 is connected to the cell inside the battery. The battery cell can be a hard-package battery cell or a soft-package battery cell. For a hard-pack battery cell, the battery cell may be a cylindrical battery cell or a square column battery cell, which is determined according to the actual design requirement of the battery.
Referring to fig. 1, 5 and 6, the mounting plate 21 is obliquely disposed on the top cover plate 1, and the post terminal 3 of the battery passes through the mounting plate 21 from the lower side of the mounting plate 21 and extends to the upper side of the mounting plate 21, so that the connection end of the post terminal 3 forms an included angle with the top cover plate 1. After the battery module assembly is accomplished, when on 3 welded fastening of utmost point post terminal on the mounting panel 21 on the top cap piece 1, because the relative top cap piece 1 slope of mounting panel 21 sets up, consequently utmost point post terminal 3 passes also relative top cap piece 1 slope setting behind the mounting panel 21, can provide bigger operating space for the welding of utmost point post terminal 3, and it is more convenient to weld, can effectively improve welding efficiency to weld the problem of difficulty when solving among the prior art battery module assembly welding. Meanwhile, the welding quality of the pole terminal 3 on the top cover plate 1 can be guaranteed due to the larger operation space, the battery is ensured to have good conductive performance, and the use safety is improved.
Optionally, referring to fig. 1 and 6, the mounting assembly 2 further includes a first connecting portion 22 and a second connecting portion 23 respectively disposed at two ends of the mounting plate 21, the extending directions of the first connecting portion 22 and the second connecting portion 23 are opposite, and one ends of the first connecting portion 22 and the second connecting portion 23 away from the mounting plate 21 are both connected to the top cover plate 1. Specifically, the first connecting portion 22 extends from one end of the mounting plate 21 to the upper side of the top cover sheet 1 and is connected to the upper side of the top cover sheet 1, and the second connecting portion 23 extends from the other end of the mounting plate 21 to the lower side of the top cover sheet 1 and is connected to the lower side of the top cover sheet 1, so that the mounting plate 21 and the top cover sheet 1 are arranged at an included angle.
In this embodiment, referring to fig. 6, the first connecting portion 22 and the second connecting portion 23 are both perpendicular to the mounting plate 21, the connecting end of the mounting plate 21 and the first connecting portion 22 is protruded on the upper side surface of the top cover plate 1, and the connecting end of the mounting plate 21 and the second connecting portion 23 is protruded on the lower side surface of the top cover plate 1, so that the mounting plate 21 can provide an inclined mounting surface for fixing the post terminal 3, and provide a larger operating space for the subsequent welding of the post terminal 3.
Alternatively, referring to fig. 3 and 4, both sides of the connection end of the mounting plate 21 and the first connection portion 22 are provided with first chamfers 24, and both sides of the connection end of the mounting plate 21 and the second connection portion 23 are provided with second chamfers 25. The chamfer can avoid the corner stress concentration of the mounting plate 21, so that the mounting plate 21 is prevented from being damaged due to collision, and the service life of the assembled battery is prolonged. Illustratively, the first chamfer 24 and the second chamfer 25 are each right angles.
Alternatively, referring to fig. 1 and 2, the connection of the mounting plate 21 and the second connection portion 23 is rounded. Specifically, in the embodiment, the arc transition is formed at the joint between the upper side of the mounting plate 21 and the second connecting portion 23, and by adopting the design mode, when the sealing treatment is performed at the later stage, the sealant can be completely filled in the joint between the mounting plate 21 and the second connecting portion 23, the occurrence of a sealing gap is avoided, and the sealing performance is improved.
Alternatively, referring to fig. 1 to 6, the mounting plate 21, the first connecting portion 22 and the second connecting portion 23 are integrally formed with the top cover sheet 1. In this embodiment, when the top cover sheet 1 is manufactured, the top cover sheet 1 and the mounting component 2 are formed by pressing with a special press die. Specifically, the stamping die needs to make corresponding structure according to the design requirement of top cover plate 1, and the stamping die includes mould and lower mould, can punch on top cover plate 1 behind the mould and the lower mould compound die and form installation component 2, then do circular arc transition to the junction of mounting panel 21 and second connecting portion 23, anneal at last and can obtain the top cover plate 1 that accords with the requirement.
Alternatively, referring to fig. 1 to 6, a mounting hole 211 is provided on the mounting plate 21, and the post terminal 3 passes through the mounting plate 21 via the mounting hole 211. Further, referring to fig. 5 and 6, the battery top cover assembly further includes a terminal pressing block 4, and the terminal pressing block 4 is sleeved and fixedly connected to one end of the pole terminal 3 extending out of the mounting plate 21. The terminal pressing block 4 can fix the post terminal 3 on the mounting plate 21, in the embodiment, the terminal pressing block 4 and the post terminal 3 are connected in a welding mode, the inclined mounting plate 21 provides a larger operation space for welding between the terminal pressing block 4 and the post terminal 3, and the welding efficiency of the post terminal 3 can be effectively improved.
Optionally, the battery top cover assembly further includes a first sealing member 5 and a second sealing member 6, the first sealing member 5 is sandwiched between the terminal pressing block 4 and the upper side surface of the mounting plate 21, the post terminal 3 is provided with a stopping portion 31, and the second sealing member 6 is sandwiched between the stopping portion 31 and the lower side surface of the mounting plate 21 and can fill a gap between the outer peripheral wall of the post terminal 3 and the wall of the mounting hole 211. The first and second sealing members 5 and 6 are each made of an insulating material, such as a plastic material. First sealing member 5 and second sealing member 6 can guarantee the fixed firm nature of utmost point post terminal 3 on mounting panel 21, and first sealing member 5 and second sealing member 6 can play insulating effect simultaneously, prevent that utmost point post terminal 3 from switching on with external accident, avoid the battery short circuit.
In this embodiment, an annular groove 212 (as shown in fig. 4) is concavely formed on the lower side surface of the mounting plate 21 in the circumferential direction of the mounting hole 211, the second sealing element 6 includes a first sealing ring 61 and a second sealing ring 62 (as shown in fig. 5) connected to each other, the diameter of the first sealing ring 61 is greater than that of the second sealing ring 62, the first sealing ring 61 is clamped between the stopper portion 31 and the groove bottom of the annular groove 212, and the second sealing ring 62 is embedded in the mounting hole 211 to fill a gap between the outer circumferential wall of the pole terminal 3 and the hole wall of the mounting hole 211, thereby ensuring sealing reliability.
The present embodiment also provides a battery comprising the battery top cap assembly as described above. The battery can ensure the connection stability between the pole terminal 3 and the top cover plate 1, ensure that the battery has good conductive performance and improve the use safety.
It is to be noted that the foregoing is only illustrative of the preferred embodiments of the present invention and the technical principles employed. Those skilled in the art will appreciate that the present invention is not limited to the particular embodiments described herein, and that various obvious changes, rearrangements and substitutions will now be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, although the present invention has been described in greater detail by the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the spirit of the present invention, and the scope of the present invention is determined by the scope of the appended claims.
Claims (10)
1. A battery top cap assembly, comprising:
a top cover sheet (1);
the mounting assembly (2) comprises a mounting plate (21) which is obliquely arranged on the top cover plate (1), a pole terminal (3) of the battery is arranged on the mounting plate (21) in a penetrating mode, and the pole terminal (3) is configured to be connected with the battery core.
2. A battery top cap assembly according to claim 1, wherein the mounting assembly (2) further comprises a first connecting portion (22) and a second connecting portion (23) disposed at two ends of the mounting plate (21), the first connecting portion (22) extending in a direction opposite to the second connecting portion (23).
3. The battery top cover assembly according to claim 2, wherein the ends of the first connecting portion (22) and the second connecting portion (23) far away from the mounting plate (21) are connected with the top cover sheet (1), the connecting end of the mounting plate (21) and the first connecting portion (22) is convexly arranged on the upper side surface of the top cover sheet (1), and the connecting end of the mounting plate (21) and the second connecting portion (23) is convexly arranged on the lower side surface of the top cover sheet (1).
4. The battery top cap assembly of claim 3, wherein the mounting plate (21) and the first connecting portion (22) are provided with a first chamfer (24) on both sides of the connecting end and the mounting plate (21) and the second connecting portion (23) are provided with a second chamfer (25) on both sides of the connecting end.
5. A battery top cap assembly according to claim 3, wherein the junction of the mounting plate (21) and the second connecting portion (23) is radiused.
6. A battery top cap assembly according to claim 3, wherein the mounting plate (21), the first connecting portion (22) and the second connecting portion (23) are integrally formed with the top cover sheet (1).
7. The battery top cap assembly according to claim 1, wherein the mounting plate (21) is provided with a mounting hole (211), and the post terminal (3) passes through the mounting plate (21) via the mounting hole (211).
8. The battery top cover assembly according to claim 7, further comprising a terminal pressing block (4), wherein the terminal pressing block (4) is sleeved and fixedly connected to one end of the pole terminal (3) extending out of the mounting plate (21).
9. The battery top cover assembly according to claim 8, further comprising a first sealing member (5) and a second sealing member (6), wherein the first sealing member (5) is sandwiched between the terminal pressing block (4) and the upper side surface of the mounting plate (21), a stopping portion (31) is provided on the post terminal (3), and the second sealing member (6) is sandwiched between the stopping portion (31) and the lower side surface of the mounting plate (21) and can fill a gap between the peripheral wall of the post terminal (3) and the wall of the mounting hole (211).
10. A battery comprising the battery cap assembly of any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220327755.2U CN216958255U (en) | 2022-02-18 | 2022-02-18 | Battery top cap subassembly and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220327755.2U CN216958255U (en) | 2022-02-18 | 2022-02-18 | Battery top cap subassembly and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216958255U true CN216958255U (en) | 2022-07-12 |
Family
ID=82291273
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220327755.2U Active CN216958255U (en) | 2022-02-18 | 2022-02-18 | Battery top cap subassembly and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216958255U (en) |
-
2022
- 2022-02-18 CN CN202220327755.2U patent/CN216958255U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |