CN214378635U - Battery cover plate and battery - Google Patents
Battery cover plate and battery Download PDFInfo
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- CN214378635U CN214378635U CN202120665650.3U CN202120665650U CN214378635U CN 214378635 U CN214378635 U CN 214378635U CN 202120665650 U CN202120665650 U CN 202120665650U CN 214378635 U CN214378635 U CN 214378635U
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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 lithium cell technical field provides a battery cover plate and battery. The battery cover plate of the utility model comprises a cover plate body and a connecting sheet, wherein the cover plate body is used for forming a cavity for accommodating an electric core with a battery shell, the connecting sheet is positioned at one side of the cover plate body facing the battery shell and is connected with the cover plate body into a whole, and the connecting sheet has conductivity; along the thickness direction of the connecting piece, the projection area of the cover plate body is smaller than that of the connecting piece. The battery be provided with foretell battery apron, battery case and electric core, the apron body with battery case connects to form and holds the cavity of electric core, electric core is located in the cavity, the connection piece is kept away from one side of apron body with electric core connects. The utility model discloses a battery apron can be convenient for battery apron fixed with being connected of other structures, promotes the holistic structural stability of battery.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a battery cover plate. Furthermore, the utility model discloses still relate to a battery including this battery apron.
Background
With the increasing maturity of lithium ion battery technology, lithium ion batteries are widely used in the field of electric vehicles as power batteries. The structural part of the lithium ion battery is an important component of the lithium ion power battery, and not only provides guarantee for the lithium ion battery in the aspect of safety and reliability, but also simultaneously considers the connection of a chemical system inside the lithium ion battery and an external module so as to form a battery pack; because various connection relations exist in the structural component and the requirements of sealing performance and overcurrent performance need to be considered at the same time, the design scheme of the structural component is particularly important, the connecting sheet is used as a structure for starting and stopping the inside of the battery cell and is used as an important overcurrent carrier of the battery, and the design scheme is more important.
As the requirements on the quick charge and discharge of the battery are higher and higher, and the requirements on the overcurrent capacity and the safety capacity of the lithium battery are also higher and higher, the high-rate performance of the structural part tends to be great, various cover plates and shell structures are produced, and correspondingly, various improvements are also produced on the structure of the connecting sheet. When the cover plate and the connecting sheet are integrated, the connecting sheet and the battery cell pole group are connected and fixed, so that the phenomena of inconvenient operation and unstable connection exist.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a battery apron to it is fixed with being connected of other battery structures to be convenient for the battery apron, promotes the holistic structural stability of battery.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a battery cover plate comprises a cover plate body and a connecting sheet, wherein the cover plate body is used for forming a cavity for accommodating a battery core with a battery shell, the connecting sheet is positioned on one side of the cover plate body facing the battery shell and is connected with the cover plate body into a whole, and the connecting sheet has conductivity; along the thickness direction of the connecting piece, the projection area of the cover plate body is smaller than that of the connecting piece.
Further, along the thickness direction of the connecting piece, the ratio of the projection area of the cover plate body to the projection area of the connecting piece is 1-9: 16.
further, the cover plate body and the connecting piece are both round.
Further, the apron body includes fastener, sealing washer, base plate and insulating piece, the sealing washer the insulating piece with the connection piece is overlapped in proper order and is located on the fastener, the base plate cover is located the periphery of sealing washer supports on the insulating piece, the fastener with the connection piece welding.
Further, the connecting sheet comprises a reinforcing structure protruding towards the insulating sheet and a welding plane connected with the reinforcing structure, and the thickness of the reinforcing structure is larger than that of the welding plane.
Furthermore, the reinforcing structure comprises a reinforcing boss located in the central area of the connecting sheet and a strip-shaped boss extending from the reinforcing boss to the outer side to the edge of the connecting sheet, and a fastener mounting groove for mounting the fastener is formed in the reinforcing boss.
Furthermore, slotted holes are formed in the welding plane and located on two sides of the strip-shaped boss, and the slotted holes are long strip-shaped through holes extending along the length direction of the strip-shaped boss corresponding to the slotted holes.
Furthermore, an insulating film is arranged between the insulating sheet and the connecting sheet, the insulating film is sleeved on the fastener, and the projection area of the insulating film is larger than that of the connecting sheet along the thickness direction of the connecting sheet.
Furthermore, the base plate is a steel plate, an insulating ring is arranged between the fastening piece and the base plate, and the insulating ring is sleeved on the peripheries of the sealing ring and the fastening piece.
Compared with the prior art, battery cover plate have following advantage:
(1) the battery cover plate of the utility model connects and integrates the cover plate body and the connecting sheet into a whole, so that the structural stability of the whole connection of the battery cover plate is high, the connection mode is simple, and the accuracy of the battery cover plate in installation with other battery structural members can be improved; on the thickness direction of edge connection piece, the projected area of apron body is less than the projected area of connection piece to can directly weld in connection piece and apron body coupling's one side, the connection piece of being convenient for is fixed with being connected of other battery structures, promotes the holistic structural stability of battery.
(2) The battery cover plate, the ratio of the projection area of the cover plate body to the projection area of the connecting piece is 1-9: 16, the area ratio of the cover plate body covering the connecting sheet is controlled within a certain range, so that the provided weldable area on the connecting sheet meets the requirement of connecting the battery cover plate with other structural members such as a battery core and the like, and the welding stability of the whole structure is ensured; the welding plane is provided with the slotted hole, so that the permeation and circulation of the electrolyte can be better promoted, and the working efficiency of the battery cell is improved; the setting of insulating film can be better cladding electric core when the equipment battery, and the better insulating effect of performance can reduce the rubberizing of electric core simultaneously and handle.
Another object of the utility model is to provide a battery to it is fixed with being connected of other battery structures to be convenient for the battery apron, promotes the holistic structural stability of battery.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a battery is provided with the battery cover plate, the battery shell and the battery core, wherein the cover plate body is connected with the battery shell to form a cavity for accommodating the battery core, the battery core is positioned in the cavity, and one side, far away from the cover plate body, of the connecting sheet is connected with the battery core.
The battery has the same advantages as the battery cover plate in the prior art, and the description is omitted.
Other features and advantages of the present invention will be described in detail in the detailed description which follows.
Drawings
The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:
fig. 1 is a schematic structural diagram of an embodiment of a battery cover plate according to the present invention;
FIG. 2 is a top view of the battery cover plate shown in FIG. 1;
fig. 3 is a schematic structural diagram of another embodiment of a battery cover plate according to an embodiment of the present invention;
FIG. 4 is a cross-sectional view of the battery cover plate shown in FIG. 3;
description of reference numerals:
1 fastener 2 sealing ring
21 sealing ring body and 22 sealing ring lug
3 insulating ring 4 base plate
41 sink 42 substrate through hole
43 base plate boss 5 insulation sheet
6 insulating film 7 connecting sheet
71 reinforcing structure 72 slotted hole
73 fastener mounting groove 74 weld plane
8 electric core 100 cover plate body
a direction of welding
Detailed Description
In the present invention, the embodiments and the features of the embodiments may be combined with each other without conflict.
In addition, the terms "upper", "lower", and the like referred to in the embodiments of the present invention indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and do not indicate or imply that the referred parts or structures must have a specific orientation, be constructed and operated in a specific orientation, and thus, are not to be construed as limiting the present invention.
It is to be understood that, unless expressly stated or limited otherwise, the terms "connected," "mounted," and "contacting" are intended to be open-ended, i.e., connected as either a fixed or removable connection or an integral connection; the components may be directly connected or indirectly connected through an intermediate medium, or the components may be connected through an intermediate medium or the components may be in an interactive relationship with each other. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
The battery cover plate provided by the first aspect of the present invention, referring to fig. 1 to 4, includes a cover plate body 100 and a connecting sheet 7, the cover plate body 100 is used to form a cavity for accommodating the battery cell 8 with the battery shell, the connecting sheet 7 is located at one side of the cover plate body 100 facing the battery shell and is connected with the cover plate body 100 into a whole, and the connecting sheet 7 has conductivity; along the thickness direction of the connecting piece 7, the projected area of the cover plate body 100 is smaller than the projected area of the connecting piece 7.
In the utility model, the battery cover plate can be suitable for the cylindrical battery cell 8 and can also be suitable for the battery cells 8 with other shapes or structures, so that the shapes of all structural components in the battery cover plate can be correspondingly designed according to the battery cells 8 and the arrangement mode thereof, preferably, the battery cover plate is suitable for the cylindrical battery cells 8, and the cover plate body 100 and the connecting sheet 7 are both arranged into a circle; the cover body and the connecting piece 7 are connected into a whole, can be integrally formed in the machining process, and can also be connected into a whole by adopting a fixing mode such as welding and the like.
According to the battery cover plate provided by the basic scheme, the cover plate body 100 and the connecting sheet 7 are connected and integrated into a whole, so that the overall connection structure of the battery cover plate is high in stability and simple in connection mode, and the accuracy of the battery cover plate in installation with other battery structural members can be improved; along the thickness direction of connection piece 7, the projected area of apron body 100 is less than the projected area of connection piece 7 for apron body 100 only covers or shelters from the partial surface of connection piece 7, and with can directly weld in connection piece 7 and the one side of lapping body 100 and being connected, the connection of connection piece 7 and other battery structures of being convenient for is fixed, promotes the holistic structural stability of battery.
As a preferred embodiment of the middle cover plate body 100 and the connecting piece 7 of the present invention, along the thickness direction of the connecting piece 7, the ratio of the projection area of the cover plate body 100 to the projection area of the connecting piece 7 is 1 to 9: 16 to the area ratio that covers connection piece 7 with apron body 100 is controlled in certain scope to the demand that can weld on the connection piece 7 that makes the welding area that provides satisfies battery apron and other structures such as electricity core 8 and be connected ensures overall structure's welding steadiness. Specifically, when the cover plate body 100 and the connecting piece 7 are set to be circular, the ratio of the projection diameter of the cover plate body 100 to the projection diameter of the connecting piece 7 is 1-3: 4.
the utility model discloses in, apron body 100 can adopt conventional battery case's apron structure, as the utility model discloses well apron body 100's a preferred embodiment, apron body 100 includes fastener 1, sealing washer 2, base plate 4 and insulating piece 5, and sealing washer 2, insulating piece 5 and connection piece 7 overlap in proper order and locate fastener 1 on, and the periphery of sealing washer 2 is located to the base plate 4 cover and is supported on insulating piece 5, and fastener 1 welds with connection piece 7. The sealing ring 2, the substrate 4 and the insulating sheet 5 are effectively connected by the fastener 1, and then welded with the connecting sheet 7 by the fastener 1, so that the cover plate body 100 and the connecting sheet 7 are integrated.
It should be noted that the fastener 1 can adopt a conventional rivet structure, namely, comprises a rivet head and a rivet rod, when the battery cover plate is assembled, the sealing ring 2 is installed at one end of the rivet rod close to the rivet head, and one end of the rivet rod far away from the rivet head is connected with the connecting sheet 7; the structural member sleeved on the fastener 1 comprises a sealing ring 2, an insulating sheet 5, a connecting sheet 7 and the like which are provided with through holes or grooves suitable for mounting the fastener 1; the substrate 4 may be provided as a metal plate, such as a steel plate, an aluminum plate, or the like.
As a preferred embodiment of the middle connection sheet 7 of the present invention, the connection sheet 7 includes a reinforcing structure 71 protruding toward the insulation sheet 5 and a welding plane 74 connected to the reinforcing structure 71, and the thickness of the reinforcing structure 71 is greater than that of the welding plane 74. The through-holes or recesses in the webs 7 for the mounting of the fastening elements 1 can be provided in the region of the reinforcing structure 71 or in the region of the welding plane 74; the region of the welding plane 74 can be used as a connecting lug 7 for the welded connection to other structural parts. The connecting sheet 7 is provided with a convex reinforcing structure 71 with large thickness, so that the strength of the connecting sheet 7 and the strength of the whole battery cover plate can be enhanced, and the requirements of large size design and high-rate overcurrent of a battery core are met. The present invention does not exclude that the reinforcing structure 71 protrudes toward the side away from the insulating sheet 5 with respect to the welding plane 74.
In the present invention, the side of the reinforcing structure 71 of the connecting sheet 7 away from the protrusion may or may not be on the same plane as the welding plane 74. As a preferred embodiment of the middle reinforcing structure 71 of the present invention, the reinforcing structure 71 includes a reinforcing boss located in the central region of the connecting piece 7 and a bar-shaped boss extending from the reinforcing boss to the outside to the edge of the connecting piece 7, and the reinforcing boss is provided with a fastener mounting groove 73 for mounting the fastener 1. After the sealing ring 2 and the insulating sheet 5 are sleeved on the fastening piece 1, the fastening piece 1 can be installed in the fastening piece installation groove 73, and the fastening piece 1 and the reinforcing boss are welded to form a stable cover plate structure. Fastener mounting groove 73 sets up on strengthening the boss, can also further strengthen the firm to fastener 1 to make the battery apron have better overall structure stability after the equipment.
Preferably, the welding plane 74 is provided with a slot 72, the slot 72 is located at two sides of the bar-shaped boss, and the slot 72 is a strip-shaped through hole extending along the length direction of the bar-shaped boss corresponding to the slot 72, so as to better promote the penetration of the electrolyte and improve the working efficiency of the battery cell.
As another preferred embodiment of the middle cover plate body 100 of the present invention, referring to fig. 3, an insulating film 6 is disposed between the insulating sheet 5 and the connecting sheet 7, the insulating film 6 is sleeved on the fastening member 1, and the projected area of the insulating film 6 is larger than the projected area of the connecting sheet 7 along the thickness direction of the connecting sheet 7. After the connecting sheet 7 is connected with the battery cell 8, the insulating film 6 can better coat the battery cell 8, so that a better insulating effect is achieved, and meanwhile, the rubberizing treatment on the battery cell 8 can be reduced.
As the utility model discloses well base plate 4's another kind of preferred embodiment, base plate 4 is the steel sheet, is provided with insulating circle 3 between fastener 1 and the base plate 4, and insulating circle 3 covers is established in the periphery of sealing washer 2 and fastener 1 to make insulating connection between base plate 4 and the fastener 1, strengthen the security of battery apron.
Preferably, the sealing ring 2 includes a sealing ring body 21 and a connecting protrusion 22, the connecting protrusion 22 is located on a side of the sealing ring body 21 away from the fastener 1, the insulating ring 3 is sleeved on the sealing ring body 21, and the base plate 4 is sleeved on the connecting protrusion 22, so as to facilitate connection between the insulating ring 3 and the base plate 4 and the sealing ring 2.
Further preferably, the upper surface of the substrate 4 is provided with a sinking platform 41, the sinking platform 41 is provided with a substrate through hole 42 for mounting the connecting bump 22, the shape of the insulating ring 3 is matched with that of the sinking platform 41, and the insulating ring 3 is located in the sinking platform 41, so that the insulating ring 3 is stably mounted and has a good insulating effect.
In this case, the substrate boss 43 extending in a direction away from the substrate 4 may be provided on the outer periphery of the substrate 4, and the substrate boss 43 may facilitate connection of the substrate 4 to another structure of the battery and may be supported on the insulating sheet 5 more favorably.
On the basis of the utility model discloses on foretell battery apron, the utility model discloses the battery that the second aspect provided is provided with an arbitrary technical scheme of aforesaid battery apron, battery case and electric core 8, apron body 100 is connected with battery case and is formed the cavity that holds electric core 8, and electric core 8 is located the cavity, and one side that apron body 100 was kept away from to connection piece 7 is connected with electric core 8. Therefore, the battery cover plate has at least all the advantages brought by the technical scheme of the battery cover plate embodiment.
As a relatively preferred embodiment of the battery in the present invention, see fig. 1 and fig. 2, a battery cover plate, a battery case and a battery cell 8 are provided, the battery cover plate includes a circular cover plate body 100 and a connecting sheet 7, the cover plate body 100 includes a fastening piece 1, a sealing ring 2, an insulating ring 3, a substrate 4 and an insulating sheet 5, an insulating film 6 is provided between the insulating sheet 5 and the connecting sheet 7, the fastening piece 1 is a rivet, the sealing ring 2, the insulating sheet 5, the insulating film 6 and the connecting sheet 7 are sequentially sleeved on the fastening piece 1 from top to bottom, wherein, in the thickness direction of the connecting sheet 7, the projection areas of the substrate 4 and the insulating sheet 5 of the cover plate body 100 are the same and the largest, the projection diameter of the substrate 4 is 1/4-3/4 of the projection diameter of the connecting sheet 7, and the projection area of the insulating film 6 is greater than the projection area of the connecting sheet 7; the sealing ring 2 comprises a sealing ring body 21 and a connecting lug 22, the connecting lug 22 is positioned on one side of the sealing ring body 21 away from the fastener 1, the substrate 4 is a steel plate, the upper surface of the substrate 4 is provided with a sinking platform 41, a substrate through hole 42 for mounting the connecting lug 22 is arranged on the sinking platform 41, the appearance of the insulating ring 3 is matched with that of the sinking platform 41, the insulating ring 3 is positioned in the sinking platform 41 and sleeved on the sealing ring body 21, the connecting lug 22 is arranged in the substrate through hole 42, so that the substrate 4 is sleeved on the sealing ring 2 and supported on the insulating sheet 5, and the periphery of the substrate 4 is also provided with a substrate boss 43 extending towards the direction away from the substrate 4; the connecting sheet 7 is provided with a reinforcing structure 71 protruding towards the insulating film 6 and a welding plane 74, both the reinforcing structure 71 and the welding plane 74 are provided with electric conductivity, the reinforcing structure 71 comprises a reinforcing boss located in the central region of the connecting sheet 7 and a strip-shaped boss extending outwards from the reinforcing boss to the edge of the connecting sheet 7, a fastener mounting groove 73 for mounting the fastener 1 is arranged on the reinforcing boss, a slotted hole 72 for permeating electrolyte is arranged on the welding plane 74, the slotted hole 72 is located on two sides of the strip-shaped boss, the slotted hole 72 is a long strip-shaped through hole extending along the length direction of the strip-shaped boss corresponding to the slotted hole 72, the fastener 1 is welded with the connecting sheet 7, the substrate 4 is connected with the battery shell to form a cavity for accommodating the battery cell 8, the battery cell 8 is located in the cavity, and one side, far away from the insulating film 6, of the connecting sheet 7 is connected with the battery cell 8.
The battery provided by the above embodiment has the following installation process: firstly, the insulating ring 3 is installed in the sinking platform 41, the connecting lug 22 penetrates through the insulating ring 3 and is installed in the base plate through hole 42, so that the insulating ring 3 is sleeved on the sealing ring body 21, the sealing ring 2, the insulating sheet 5, the insulating film 6 and the connecting sheet 7 are sequentially sleeved on the fastening piece 1 from top to bottom, the base plate 4 is supported on the insulating sheet 5, the sealing ring 2 is connected with the rivet head, the insulating film 6 completely covers the upper surface of the connecting sheet 7, then the fastening piece 1 is installed in the fastening piece installing groove 73 and is welded with the connecting sheet 7 in a laser mode, so that the fastening piece 1, the sealing ring 2, the insulating ring 3, the base plate 4, the insulating sheet 5, the insulating film 6 and the connecting sheet 7 are connected into a whole, and the assembly of the battery cover plate is completed; place connection piece 7 on electric core 8, turn over insulating film 6 along the periphery of base plate 4 and insulating piece 5 upwards and turn over, do not carry out fixed connection with connection piece 7 and electric core 8 through laser welding along welding direction a at the part that welding plane 74 is covered by apron body 100, put down insulating film 6 again and make its cladding in the periphery of electric core 8, be connected battery case and base plate 4 at last to install electric core 8 in the cavity that base plate 4 and battery case formed, accomplish the equipment of battery.
As can be seen from the above description, the battery cover plate of the present invention connects and integrates the cover plate body 100 and the connecting sheet 7, so that the structural stability of the overall connection of the battery cover plate is high, the connection manner is simple, and the accuracy of the battery cover plate when being installed with other battery structural members can be improved; along the thickness direction of connection piece 7, the projected area of apron body 100 is less than the projected area of connection piece 7 to can directly weld in connection piece 7 and the one side of apron body 100 connection, the connection of connection piece 7 and other battery structures of being convenient for is fixed, promotes the holistic structural stability of battery.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The battery cover plate is characterized by comprising a cover plate body (100) and a connecting piece (7), wherein the cover plate body (100) is used for forming a cavity for accommodating a battery cell (8) together with a battery shell, the connecting piece (7) is positioned on one side, facing the battery shell, of the cover plate body (100) and is connected with the cover plate body (100) into a whole, and the connecting piece (7) is conductive; along the thickness direction of the connecting piece (7), the projection area of the cover plate body (100) is smaller than that of the connecting piece (7).
2. The battery cover plate according to claim 1, wherein, in the thickness direction of the connection piece (7), the ratio of the projected area of the cover plate body (100) to the projected area of the connection piece (7) is 1-9: 16.
3. the battery cover plate according to claim 1, wherein the cover plate body (100) and the connecting piece (7) are each provided in a circular shape.
4. The battery cover plate according to any one of claims 1 to 3, wherein the cover plate body (100) comprises a fastener (1), a sealing ring (2), a substrate (4) and an insulating sheet (5), the sealing ring (2), the insulating sheet (5) and the connecting sheet (7) are sequentially sleeved on the fastener (1), the substrate (4) is sleeved on the periphery of the sealing ring (2) and supported on the insulating sheet (5), and the fastener (1) is welded with the connecting sheet (7).
5. The battery cover plate according to claim 4, wherein the connection tab (7) comprises a reinforcement structure (71) protruding toward the insulation sheet (5) and a welding plane (74) connected to the reinforcement structure (71), the reinforcement structure (71) having a thickness greater than a thickness of the welding plane (74).
6. The battery cover plate according to claim 5, wherein the reinforcing structure (71) comprises a reinforcing boss located at a central region of the connection tab (7) and a strip-shaped boss extending from the reinforcing boss to the outside to an edge of the connection tab (7), the reinforcing boss being provided with a fastener installation groove (73) for installing the fastener (1).
7. The battery cover plate according to claim 6, wherein the welding plane (74) is provided with slot holes (72), the slot holes (72) are positioned at two sides of the strip-shaped boss, and the slot holes (72) are arranged as elongated through holes extending along the length direction of the strip-shaped boss corresponding to the slot holes (72).
8. The battery cover plate according to claim 4, wherein an insulating film (6) is arranged between the insulating sheet (5) and the connecting sheet (7), the insulating film (6) is sleeved on the fastening piece (1), and the projected area of the insulating film (6) is larger than that of the connecting sheet (7) along the thickness direction of the connecting sheet (7).
9. The battery cover plate according to claim 4, wherein the base plate (4) is a steel plate, an insulating ring (3) is arranged between the fastening member (1) and the base plate (4), and the insulating ring (3) is sleeved on the peripheries of the sealing ring (2) and the fastening member (1).
10. A battery, characterized in that, a battery cover plate, a battery shell and a battery cell (8) as claimed in any one of claims 1 to 9 are provided, the cover plate body (100) is connected with the battery shell to form a cavity for accommodating the battery cell (8), the battery cell (8) is located in the cavity, and one side of the connecting piece (7) far away from the cover plate body (100) is connected with the battery cell (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120665650.3U CN214378635U (en) | 2021-03-31 | 2021-03-31 | Battery cover plate and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120665650.3U CN214378635U (en) | 2021-03-31 | 2021-03-31 | Battery cover plate and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214378635U true CN214378635U (en) | 2021-10-08 |
Family
ID=77973996
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120665650.3U Active CN214378635U (en) | 2021-03-31 | 2021-03-31 | Battery cover plate and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214378635U (en) |
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2021
- 2021-03-31 CN CN202120665650.3U patent/CN214378635U/en active Active
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