CN203644833U - Packaging structure of lithium battery - Google Patents
Packaging structure of lithium battery Download PDFInfo
- Publication number
- CN203644833U CN203644833U CN201320863561.5U CN201320863561U CN203644833U CN 203644833 U CN203644833 U CN 203644833U CN 201320863561 U CN201320863561 U CN 201320863561U CN 203644833 U CN203644833 U CN 203644833U
- Authority
- CN
- China
- Prior art keywords
- top cover
- upper shell
- battery core
- base plate
- holding section
- 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.)
- Expired - Fee Related
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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
Abstract
The utility model discloses a packaging structure of a lithium battery. The packaging structure comprises an upper shell, a lower shell, a battery cell, a top cover, a bottom plate and a printed circuit board (PCB), wherein the edges of the tops of the upper shell and the lower shell are respectively provided with a first clamping part, and the edges of the bottoms of the upper shell and the lower shell are respectively provided with a second clamping part; the upper shell and the lower shell respectively cover two opposite surfaces of the battery cell so as to clamp the battery cell; an accommodating cavity for accommodating the tops of the PCB and the battery cell is formed on the top cover; a top cover clamping groove in which the first clamping parts are inserted is further formed on the periphery of the top cover; a bottom plate clamping groove in which the second clamping parts are inserted is formed on the periphery of the bottom plate. According to the lithium battery structure disclosed by the utility model, the battery cell is fixed by the plastic top cover and bottom plate as well as the upper and lower shells in a mutually clamping and connecting manner, and a stable packaging structure is provided, so as to avoid a problem of irregular surface structure of the battery in case of deformation of the entire edge frame in cooling shrinkage when the edge frame is fixed by an injection molding way.
Description
Technical field
The utility model relates to technical field of lithium batteries, is specifically related to a kind of encapsulating structure of lithium battery.
Background technology
Along with social living standard improves; people often can use various types of electronic equipments; lithium battery because its energy is high, long service life, the advantage such as portable be extensively applied on portable type electronic product, substantially portable electronic equipment all uses lithium battery power supply.
Traditional lithium battery uses injection moulding mode to be fixed together being arranged on battery core frame and upper and lower surface housing around conventionally, but, utilize the fixing mode of injection moulding, when after the cooling contraction of injection moulding, may make the structure generation deformation of frame and upper-lower casing, deformation meeting causes the surface irregularity of whole lithium battery, is difficult to be arranged on electronic equipment again.
Utility model content
In order to overcome the deficiencies in the prior art, the purpose of this utility model is to provide a kind of encapsulating structure of lithium battery, makes the encapsulating structure of lithium battery more stable.
For addressing the above problem, the technical scheme that the utility model adopts is as follows:
An encapsulating structure for lithium battery, is characterized in that, comprising: upper shell (2), lower house (5), battery core (4), top cover (7), base plate (3) and pcb board (8);
Top at described upper shell (2) and lower house (5) is respectively equipped with the first holding section (12), bottom margin at described upper shell (2) and lower house (5) is respectively equipped with the second holding section (11), and described upper shell (2) and lower house (5) are covered in respectively two opposite faces of described battery core (4) with clamping battery core (4);
Described top cover (7) is provided with one for placing the cavity volume at described pcb board (8) and described battery core (4) top, the periphery of described top cover (7) also has the top cover draw-in groove that the first holding section (12) is inserted, and the periphery of described base plate (3) has the base plate draw-in groove that the second holding section (11) is inserted;
Described pcb board (8) is provided with protruding block, and the periphery of described top cover (7) also has the fixing hole of the protruding block of fixing pcb board, for described pcb board (8) is fixed in the cavity volume of described top cover (7);
Described pcb board (8) is also welded in the both positive and negative polarity at battery core (4) top, the top of described battery core (4) is fixedly set in the cavity volume of described top cover (7), the top cover draw-in groove of described top cover (7) coordinates installation with the first holding section (12), and the base plate draw-in groove of described base plate (3) coordinates installation with the second holding section (11).
The right and left of described upper shell (2) and lower house (5) is all provided with the baffle plate extending to battery core direction, for encasing and fix described battery core (4).
Also comprise a Packaging Paper (1), described Packaging Paper (1) is wrapped in the outside of described upper shell (2), lower house (5), top cover (7) and base plate (3).
Compared to existing technology, the beneficial effects of the utility model are: lithium battery structure of the present utility model uses the fixing battery core of the mode of plastic cement top cover and base plate and the mutual engagement connection of upper-lower casing, stable encapsulating structure is provided, if while having avoided using injection moulding mode fixed border, easily there is deformation and cause the irregular problem of surface texture of battery in whole frame in the time of cooling contraction.
Accompanying drawing explanation
Fig. 1 is lithium cell encapsulation construction schematic diagram of the present utility model.
Fig. 2 is the A place structural representation of lithium battery of the present utility model.
Embodiment
Below, by reference to the accompanying drawings and embodiment, the utility model is described further:
Fig. 1 and Fig. 2 show lithium cell encapsulation construction preferred embodiment of the present utility model, and a kind of encapsulating structure of lithium battery, comprising: Packaging Paper 1, upper shell 2, lower house 5, battery core 4, top cover 7, base plate 3 and pcb board 8.
The top of upper shell 2 and lower house 5 is respectively equipped with the first holding section 12, the bottom margin of upper shell 2 and lower house 5 is respectively equipped with the second holding section 11, upper shell 2 and lower house 5 are covered in respectively two opposite faces of described battery core 4 with clamping battery core 4, the right and left of upper shell 2 and lower house 5 is all provided with the baffle plate extending to battery core direction, be used for encasing and fixing battery core 4, battery core 4 is more firmly enclosed within housing.
The top cover draw-in groove of top cover 7 coordinates installation with the first holding section 12, and top cover 7 is connected with the top of upper shell 2 and lower house 5; The base plate draw-in groove of base plate 3 coordinates installation with the second holding section 11, on the second holding section 11, back-off portion can be set, in the time that the second holding section 11 is tipped base plate draw-in groove in, back-off portion fastens base plate draw-in groove and realizes fixed effect better, and back-off portion can prevent that the bottom of upper shell 2 and lower house 5 from being moved and coming off.
Pcb board 8 is provided with protruding block, and the periphery of top cover 7 also has the fixing hole of the protruding block of fixing pcb board, for described pcb board 8 is fixed in the cavity volume of described top cover 7.Pcb board 8 is welded in the both positive and negative polarity at battery core 4 tops, and the top of battery core 4 is fixedly set in the cavity volume of described top cover 7.
to one skilled in the art, can be according to technical scheme described above and design, make other various corresponding changes and deformation, and within these all changes and deformation all should belong to the protection range of the utility model claim.
Claims (3)
1. an encapsulating structure for lithium battery, is characterized in that, comprising: upper shell (2), lower house (5), battery core (4), top cover (7), base plate (3) and pcb board (8);
Top at described upper shell (2) and lower house (5) is respectively equipped with the first holding section (12), bottom margin at described upper shell (2) and lower house (5) is respectively equipped with the second holding section (11), and described upper shell (2) and lower house (5) are covered in respectively two opposite faces of described battery core (4) with clamping battery core (4);
Described top cover (7) is provided with one for placing the cavity volume at described pcb board (8) and described battery core (4) top, the periphery of described top cover (7) also has the top cover draw-in groove that the first holding section (12) is inserted, and the periphery of described base plate (3) has the base plate draw-in groove that the second holding section (11) is inserted;
Described pcb board (8) is provided with protruding block, and the periphery of described top cover (7) also has the fixing hole of the protruding block of fixing pcb board, for described pcb board (8) is fixed in the cavity volume of described top cover (7);
Described pcb board (8) is also welded in the both positive and negative polarity at battery core (4) top, the top of described battery core (4) is fixedly set in the cavity volume of described top cover (7), the top cover draw-in groove of described top cover (7) coordinates installation with the first holding section (12), and the base plate draw-in groove of described base plate (3) coordinates installation with the second holding section (11).
2. the encapsulating structure of a kind of lithium battery according to claim 1, is characterized in that, the right and left of described upper shell (2) and lower house (5) is all provided with the baffle plate extending to battery core direction, for encasing and fix described battery core (4).
3. the encapsulating structure of a kind of lithium battery according to claim 1, is characterized in that, also comprises a Packaging Paper (1), and described Packaging Paper (1) is wrapped in the outside of described upper shell (2), lower house (5), top cover (7) and base plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863561.5U CN203644833U (en) | 2013-12-24 | 2013-12-24 | Packaging structure of lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320863561.5U CN203644833U (en) | 2013-12-24 | 2013-12-24 | Packaging structure of lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203644833U true CN203644833U (en) | 2014-06-11 |
Family
ID=50876057
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320863561.5U Expired - Fee Related CN203644833U (en) | 2013-12-24 | 2013-12-24 | Packaging structure of lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203644833U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557054A (en) * | 2018-12-10 | 2020-08-18 | 株式会社Lg化学 | Secondary battery case, secondary battery, and battery module |
-
2013
- 2013-12-24 CN CN201320863561.5U patent/CN203644833U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111557054A (en) * | 2018-12-10 | 2020-08-18 | 株式会社Lg化学 | Secondary battery case, secondary battery, and battery module |
| US11335966B2 (en) | 2018-12-10 | 2022-05-17 | Lg Energy Solution, Ltd. | Case for secondary battery, secondary battery, and battery module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140611 Termination date: 20161224 |