CN220155632U - Round battery packaging shell - Google Patents
Round battery packaging shell Download PDFInfo
- Publication number
- CN220155632U CN220155632U CN202321601762.8U CN202321601762U CN220155632U CN 220155632 U CN220155632 U CN 220155632U CN 202321601762 U CN202321601762 U CN 202321601762U CN 220155632 U CN220155632 U CN 220155632U
- Authority
- CN
- China
- Prior art keywords
- shell
- cover plate
- plastic insulating
- electrode core
- apron
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 15
- 238000001746 injection moulding Methods 0.000 claims abstract description 8
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000002347 injection Methods 0.000 claims description 16
- 239000007924 injection Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 7
- 239000003792 electrolyte Substances 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 238000005538 encapsulation Methods 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model relates to a round battery packaging shell in the field of battery packaging shells, which comprises a shell, wherein an accommodating cavity for accommodating a battery cell is formed in the shell, a cover plate for packaging the shell is arranged at the upper end of the shell, the shell and the cover plate are respectively formed by stamping, the shell is hollow and cylindrical, the cover plate is in a disc shape, the edge of the cover plate is fixedly welded with the shell, a through hole for installing an electrode is formed in the middle of the cover plate, a positive electrode core is arranged in the middle of the cover plate, the positive electrode core is connected with the through hole through a plastic insulating sheet, the cover plate, the positive electrode core and the plastic insulating sheet are formed by in-mold injection molding, a right angle of 90 DEG can be formed between the cover plate and the shell by welding the cover plate and the shell, the inner wall of the accommodating cavity is more attached to the shape of the battery cell, the available effective space in the shell is improved, the volume of the battery cell is increased under the condition that the volume of the shell is kept unchanged, the charge capacity of the battery is increased, and the volume of the shell is also reduced under the condition that the charge capacity is kept unchanged.
Description
Technical Field
The utility model relates to the field of battery packaging shells, in particular to a round battery packaging shell.
Background
As shown in fig. 1 and 2, the existing circular battery packaging shell comprises an upper shell 1 and a lower shell 2, a containing cavity for placing a battery cell is formed in the lower shell 2, the upper shell 1 and the lower shell 2 are formed by stamping, a protruding buckling part 4 is arranged at the edge of the containing cavity, and a clamping groove part 3 used for clamping the buckling part 4 is formed in the inner wall of the upper shell 1.
The upper shell and the lower shell of the existing circular battery are subjected to stamping forming, right angles cannot be formed between adjacent surfaces due to the limitation of a process, so that a transitional arc exists between the side wall and the top surface or the bottom surface of the shell, the top surface and the bottom surface of the battery core form an included angle of 90 degrees with the side plate, the transitional arc surface can prop against the edge of the battery core, the two ends of the battery core and the inside of the shell are provided with gaps which are as high as the arc surface, and the effective space inside the shell is reduced.
Disclosure of Invention
In order to overcome the defects of the prior art, the utility model provides the round battery packaging shell, which can effectively solve the technical problem that the available effective space in the shell is not high.
The technical scheme adopted for solving the technical problems is as follows:
the round battery packaging shell comprises a shell body, wherein an accommodating cavity for accommodating the battery cell is formed in the shell body, a cover plate for packaging the shell body is arranged at the upper end of the shell body, the shell body and the cover plate are respectively formed through stamping, the shell body is hollow cylindrical, the cover plate is disc-shaped, the edge of the cover plate is fixed with the edge of the shell body through welding, and a through hole for installing an electrode and conducting with the accommodating cavity is formed in the cover plate.
Further, the middle part of apron is provided with the positive pole core, and the positive pole core passes through plastic insulating piece and is connected with the through-hole, and apron, positive pole core and plastic insulating piece pass through the in-mould injection moulding.
Further, an injection hole for injecting electrolyte and conducting with the accommodating cavity is formed in the cover plate, and a liquid blocking plug for sealing is arranged in the injection hole.
Further, the outer side face of the plastic insulating sheet is provided with a first annular clamping groove used for clamping the through hole, and the outer side face of the positive electrode core is provided with a second annular clamping groove used for clamping the plastic insulating sheet.
Further, the upper end and the lower end of the accommodating cavity are both provided with openings, the cover plate comprises an upper cover and a lower cover, the upper cover and the lower cover are respectively connected with the two ends of the shell through welding, the surface of the upper cover is provided with an injection hole used for injecting electrolyte and communicated with the accommodating cavity, and a liquid blocking plug used for sealing is arranged in the injection hole.
Further, the middle parts of the upper cover and the lower cover are respectively provided with a positive electrode core and a negative electrode core, and the positive electrode core and the negative electrode core are respectively connected with the upper cover and the lower cover through plastic insulating sheets.
Further, the upper cover, the positive electrode core and the plastic insulating sheet are formed through in-mold injection molding.
Further, the lower cover, the negative electrode core and the plastic insulating sheet are formed by in-mold injection molding.
Compared with the prior art, the utility model has the beneficial effects that: the round battery packaging shell consists of a shell and a cover plate, a 90-degree right angle can be formed between the cover plate and the shell through welding of the cover plate and the shell, the accommodating cavity is more attached to the shape of the battery core, the available effective space in the shell is improved, the volume of the battery core can be increased under the condition that the volume of the shell is kept unchanged, the storage capacity of a battery is improved, and the volume of the shell can be reduced under the condition that the storage capacity is kept unchanged.
Drawings
FIG. 1 is a schematic view of a circular battery package housing in the background art;
FIG. 2 is an exploded view of a circular battery package according to the related art;
FIG. 3 is a schematic diagram of a first embodiment of the present utility model;
FIG. 4 is an exploded view of a first embodiment of the present utility model;
FIG. 5 is a schematic diagram of a second embodiment of the present utility model;
FIG. 6 is an exploded view of a second embodiment of the present utility model;
reference numerals in fig. 1 and 2 are 1-upper case, 2-lower case, 3-clamping groove portion, 4-clamping portion.
Reference numerals in fig. 3-6: 1-shell, 2-holding cavity, 3-cover plate, 4-through hole, 5-positive pole core, 6-plastic insulating piece, 7-injection hole, 8-liquid blocking plug, 9-first annular clamping groove, 10-second annular clamping groove, 11-upper cover, 12-lower cover and 13-negative pole core.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The circular battery package casing of the present utility model is described in detail below with reference to fig. 3 to 6: example 1
Referring to fig. 3 and 4, the circular battery packaging shell comprises a shell 1, a containing cavity 2 for placing a battery core is arranged in the shell 1, a cover plate 3 for packaging the shell 1 is arranged at the upper end of the shell 1, the shell 1 and the cover plate 3 are respectively formed through stamping, the shell 1 is hollow and cylindrical, the cover plate 3 is disc-shaped, the edge of the shell 1 and the edge of the cover plate 3 are fixed through welding, a through hole 4 for installing an electrode and conducting with the containing cavity 2 is formed in the cover plate 3, a positive electrode core 5 is arranged in the middle of the cover plate 3, the positive electrode core 5 is connected with the through hole 4 through a plastic insulating sheet 6, the cover plate 3, the positive electrode core 5 and the plastic insulating sheet 6 are formed through in-mold injection, a first annular clamping groove 9 for clamping with the through hole 4 is formed in the outer side face of the plastic insulating sheet 6, a second annular clamping groove 10 for clamping with the plastic insulating sheet 6 is formed in the edge of the positive electrode core 5, an injection hole 7 for injecting electrolyte is formed in the surface of the cover plate 3, and a plugging liquid plug 8 for sealing is arranged in the injection hole 7.
After the cover plate 3, the positive electrode core 5 and the plastic insulating sheet 6 are subjected to in-mold injection molding, the cover plate 3 and the housing 1 are welded, a right angle of 90 degrees can be formed between the cover plate 3 and the housing 1, the accommodating cavity 2 is more attached to the shape of the battery core, the available effective space in the housing 1 is improved, the volume of the battery core can be increased under the condition that the volume of the housing 1 is kept unchanged, the storage capacity of a battery is improved, the volume of the housing 1 can be reduced under the condition that the storage capacity is kept unchanged, and the positive electrode core 5 and the housing 1 are not conductive through the plastic insulating sheet 6, so that the whole housing 1 is changed into a negative electrode contact point.
Example two
The difference between this embodiment and the first embodiment with reference to fig. 5 and fig. 6 is that the upper end and the lower end of the accommodating cavity 2 are respectively provided with an opening, the cover plate 3 includes an upper cover 11 and a lower cover 12, the upper cover 11 and the lower cover 12 are respectively connected with two ends of the housing 1 through welding, an injection hole 7 for injecting electrolyte and conducting with the accommodating cavity 2 is provided on the surface of the upper cover 11, a liquid blocking plug 8 for sealing is provided in the injection hole 7, the middle parts of the upper cover 11 and the lower cover 12 are respectively provided with a positive electrode core 5 and a negative electrode core 13, the positive electrode core 5 and the negative electrode core 13 are respectively connected with the upper cover 11 and the lower cover 12 through plastic insulation sheets 6, the upper cover 11, the positive electrode core 5 and the plastic insulation sheets 6 are formed through in-mold injection, and the lower cover 12, the negative electrode core 13 and the plastic insulation sheets 6 are formed through in-mold injection, so as to further improve the available effective space in the housing 1.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (7)
1. The utility model provides a circular battery packaging shell, includes the casing, is provided with the chamber that holds that is used for placing the electric core in the casing, its characterized in that: the upper end of casing is provided with the apron of encapsulation casing, and the casing passes through stamping forming respectively with the apron, and the casing is hollow cylinder, and the apron is the disk shape, and welded fastening is passed through with the edge of casing to the edge of apron, is provided with the through-hole that is used for installing the electrode and switches on with holding the chamber on the apron, the upper end and the lower extreme that hold the chamber all are provided with the opening, and the apron includes upper cover and lower cover, and upper cover and lower cover are connected with the both ends of casing respectively through the welding, and the surface of upper cover is provided with the injection hole that is used for injecting electrolyte and switches on with holding the chamber, is provided with the shutoff liquid stopper that is used for sealedly in the injection hole.
2. The circular battery package as recited in claim 1, wherein: the middle part of apron is provided with the positive pole core, and the positive pole core passes through plastic insulating piece and is connected with the through-hole, and apron, positive pole core and plastic insulating piece pass through the in-mould injection moulding.
3. The circular battery package as recited in claim 2, wherein: the cover plate is provided with an injection hole used for injecting electrolyte and communicated with the accommodating cavity, and a liquid blocking plug used for sealing is arranged in the injection hole.
4. The circular battery package as recited in claim 2, wherein: the outer side surface of the plastic insulating sheet is provided with a first annular clamping groove used for clamping the through hole, and the outer side surface of the positive electrode core is provided with a second annular clamping groove used for clamping the plastic insulating sheet.
5. The circular battery package as recited in claim 1, wherein: the middle parts of the upper cover and the lower cover are respectively provided with a positive electrode core and a negative electrode core, and the positive electrode core and the negative electrode core are respectively connected with the upper cover and the lower cover through plastic insulating sheets.
6. The circular battery package as recited in claim 5, wherein: the upper cover, the positive electrode core and the plastic insulating sheet are formed through in-mold injection molding.
7. The circular battery package as recited in claim 5, wherein: the lower cover, the negative electrode core and the plastic insulating sheet are formed by in-mold injection molding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601762.8U CN220155632U (en) | 2023-06-20 | 2023-06-20 | Round battery packaging shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321601762.8U CN220155632U (en) | 2023-06-20 | 2023-06-20 | Round battery packaging shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220155632U true CN220155632U (en) | 2023-12-08 |
Family
ID=89022372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321601762.8U Active CN220155632U (en) | 2023-06-20 | 2023-06-20 | Round battery packaging shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220155632U (en) |
-
2023
- 2023-06-20 CN CN202321601762.8U patent/CN220155632U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |