CN206098459U - Secondary cell and battery case subassembly thereof - Google Patents
Secondary cell and battery case subassembly thereof Download PDFInfo
- Publication number
- CN206098459U CN206098459U CN201620715681.4U CN201620715681U CN206098459U CN 206098459 U CN206098459 U CN 206098459U CN 201620715681 U CN201620715681 U CN 201620715681U CN 206098459 U CN206098459 U CN 206098459U
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- China
- Prior art keywords
- battery container
- boss
- container component
- housing
- explosion
- Prior art date
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a secondary cell and battery case subassembly thereof. The battery case subassembly includes casing and top cap, and wherein, the casing is upper portion open -ended square body structure, and the bottom surface of casing is equipped with the court the bellied boss of top cap direction, top cap closed shell's upper portion opening is provided with first ploe post, second ploe post and annotates the liquid hole on the top cap. Compared with the prior art, the utility model discloses a can replace the boss of layer board in the punching press play of aluminum hull bottom, reduce the electric core of packing into and by inside fillet or the chamfer extrusion of battery box and lead to the risk of short circuit, reduced the extra process and material waste of making the layer board, improve production efficiency.
Description
Technical field
The utility model belongs to energy storage components and parts field, more specifically, the utility model be related to a kind of secondary cell and
Its battery container component.
Background technology
During fabrication, housing bottom surface can stamp out fillet to the battery container of Hard-shell power battery with the junction of four sides
Or chamfering.Short circuit is caused by the extruding of fillet or chamfering in order to prevent battery core to be put into after battery container, in battery container
Pad a piece of thickness in bottom is about the supporting plate of 0.8mm, prevents battery core from being extruded by battery container fillet or chamfering.But it is this in electricity
The mode that supporting plate is placed in the housing of pond increased the quantity of part, and need manufacture and place the additional process of supporting plate, cause thing
The waste of material.
In view of this, it is necessary to which a kind of secondary cell that can solve the problem that the problems referred to above and its battery container component are provided.
Utility model content
The purpose of this utility model is：Overcome the deficiencies in the prior art, there is provided a kind of structure and manufacturing process are simple, dress
Enter the low secondary cell of battery core short-circuit risks and its battery container component.
To achieve these goals, the utility model provides a kind of battery container component, and it includes housing and top cover, its
In, housing is the square body structure of upper opening, and the bottom surface of housing is provided with towards the raised boss in the top cover direction, top closure
The upper opening of housing, is provided with the first pole, the second pole and liquid injection hole on top cover.
Preferably, the boss and the housing integrated punching are molded.
Preferably, the boss is one or more.
Preferably, the top surface of the boss is quadrangle, shape that is oval or intersecting in two straight lines.
Preferably, the boss is the boss that two or more is distributed along the long side of the housing bottom surface.
Preferably, the boss is provided with a through hole through battery container bottom surface, and the recess side of boss is provided with explosion-proof
Valve sinks platform hole, and explosion-proof valve is fixed in the heavy platform hole of explosion-proof valve and blocks through hole.
Preferably, the battery container component also includes being arranged on the first explosion-proof valve diaphragm on the outside of explosion-proof valve, explosion-proof
The heavy platform hole of the first diaphragm is provided with the outside of the heavy platform hole of valve, the first explosion-proof valve diaphragm is fixed in the heavy platform hole of the first diaphragm
And block in the heavy platform hole of the first diaphragm.
Preferably, the battery container component also includes being arranged on the second explosion-proof valve diaphragm on the inside of explosion-proof valve, boss
Convex side be provided with the heavy platform hole of the second diaphragm, the second explosion-proof valve diaphragm is fixed in the heavy platform hole of the second diaphragm and by the
The heavy platform hole closure of two diaphragms.
Preferably, the bottom surface of the housing is that fillet or chamfering connect with the connection of four sides of housing..
To achieve these goals, the utility model additionally provides a kind of secondary cell, it include battery container component and
The battery core being contained in battery container component, the battery container component is aforesaid battery container component.
Compared with prior art, the utility model secondary cell and its battery container component in aluminum casing bottom by stamping out
The boss of supporting plate can be substituted, the battery core for reducing loading is extruded by the fillet inside battery case or chamfering and causes short-circuit wind
Danger, reduces the additional process and material waste of manufacture supporting plate, improves production efficiency.
Description of the drawings
With reference to the accompanying drawings and detailed description, the utility model battery container component and its Advantageous Effects are entered
Row is described in detail.
Fig. 1 is the structural representation of the utility model battery container component.
Fig. 2 is the enlarged drawing in Fig. 1 shown in circle A portions.
Fig. 3 is the schematic shapes of the boss of the utility model battery container Assemblies Example 1.
Fig. 4 is the schematic shapes of the boss of the utility model battery container Assemblies Example 2.
Fig. 5 is the cross-sectional schematic of the housing of the utility model battery container Assemblies Example 2.
Fig. 6 is the partial enlarged drawing shown in the housing A portions of the utility model battery container Assemblies Example 2.
Fig. 7 is the schematic shapes of the boss of the utility model battery container Assemblies Example 3.
Fig. 8 is the schematic shapes of the boss of the utility model battery container Assemblies Example 4.
Specific embodiment
In order that the purpose of this utility model, technical scheme and technique effect become apparent from understanding, below in conjunction with accompanying drawing and
Specific embodiment, is further elaborated to the utility model.It should be appreciated that concrete described in this specification
Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
The utility model secondary cell includes battery container component 100 and the battery core being contained in battery container component 100.
Refer to shown in Fig. 1 and Fig. 2, the utility model battery container component 100 includes housing 10 and top cover 30, wherein,
Housing 10 is the square body structure of upper opening, and the bottom surface of housing 10 is provided with towards the raised boss 20 in the direction of the top cover 30, top
Lid 30 closes the upper opening of housing 10, and the first pole 31, the second pole 32 and liquid injection hole 33 are provided with top cover 30.
The bottom surface of housing 10 is that fillet or chamfering are connected with four sides, and the inside bottom surface of housing 10 is provided with height identical
Boss 20.
Housing 10 is by aluminous shell stamping forming.The direct punching press shape in the lump on mould when boss 20 is 10 punch forming of housing
Into.The height of boss 20, arrangement mode and appearance and size can (size as loaded battery core) adjustment according to actual needs, pass through
Height, arrangement mode and the appearance and size of boss 20 are adjusted, can be in the bottom vacating space of housing 10, so that battery core is accommodated
More electrolyte.According to an embodiment of the present utility model, the height of boss 20 is 0.8mm.
It is below several preferred embodiments of boss 20.
Embodiment 1
Fig. 3 is refer to, in the embodiment of fig. 3, the inside bottom surface of housing 10 is provided with one and is dimensioned slightly smaller than the bottom of housing 10
The boss 20 of face size, the top surface of boss 20 is rectangle.It should be noted that in the utility model other embodiment,
The inside bottom surface of housing 10 is provided with a boss 20 for being dimensioned slightly smaller than the bed-plate dimension of housing 10, and the top surface of boss 20 is ellipse.
Embodiment 2
Refer to shown in Fig. 4～6, the inside bottom surface of housing 10 is provided with multiple boss along the sole length directional spreding of housing 10
20, the top surface of boss 20 is rectangle.Near the middle part of a boss 20 of bottom center one is provided with through battery container
The through hole 21 of 10 bottom surfaces, the recess side of boss 20 is provided with the heavy platform hole 23 of the heavy diaphragm of platform hole 22 and first of explosion-proof valve, boss 20
Convex side is provided with the heavy platform hole 24 of the second diaphragm.Explosion-proof valve 50 is fixed in the heavy platform hole 22 of explosion-proof valve and by the heavy platform hole 22 of explosion-proof valve
Closure.First explosion-proof valve diaphragm 51 is fixed in the heavy platform hole 23 of the first diaphragm and blocks in the heavy platform hole 23 of the first diaphragm.
Second explosion-proof valve diaphragm 52 is fixed in the heavy platform hole 24 of the second diaphragm and blocks in the heavy platform hole 24 of the second diaphragm.
Embodiment 3
Refer to shown in Fig. 7, the inside bottom surface of housing 10 is provided with multiple boss 20 along the sole length directional spreding of housing 10,
The top surface of boss 20 is rhombus.
Embodiment 4
Refer to shown in Fig. 8, the inside bottom surface of housing 10 is provided with a boss 20, and the top surface of boss 20 is in two straight lines intersection
Shape, crosspoint is located at the center of the bottom surface of housing 10, and four ends of boss 20 extend respectively to four angular direction of the bottom surface of housing 10.
Compared with prior art, the utility model battery container component 100 can be substituted by stamping out in aluminum casing bottom
The boss 20 of supporting plate, the battery core for reducing loading is extruded by the fillet inside housing 10 or chamfering and causes short-circuit risk, is subtracted
Lack the additional process and material waste of manufacture supporting plate, improve production efficiency.Additionally, boss 20 can also be provided for explosion-proof valve
The space of installation, saves the space that explosion-proof valve additionally installs occupancy.The boss of the design of the utility model battery container component 100
20 height, arrangement mode and appearance and size can be adjusted according to actual needs, such that it is able to vacate in the bottom of housing 10
Space, makes battery core accommodate more electrolyte, improves the energy volume ratio of battery core.
According to above-mentioned principle, the utility model can also carry out appropriate change and modification to above-mentioned embodiment.Therefore,
The utility model is not limited to specific embodiment disclosed and described above, to some modifications and changes of the present utility model
Should also be as falling in scope of the claims of the present utility model.Although additionally, some are specific used in this specification
Term, but these terms are merely for convenience of description, do not constitute any restriction to the utility model.
Claims (10)
1. a kind of battery container component, the battery container component includes housing, top cover, and the housing is square for upper opening
Body structure, the upper opening of housing described in the top closure is provided with the first pole, the second pole and fluid injection on the top cover
Hole, it is characterised in that：The bottom surface of the housing is provided with towards the raised boss in the top cover direction.
2. battery container component according to claim 1, it is characterised in that：The boss and the housing integrated punching into
Type.
3. battery container component according to claim 1, it is characterised in that the boss is one or more.
4. battery container component according to claim 1, it is characterised in that：The top surface of the boss is quadrangle, ellipse
Shape or the shape intersected in two straight lines.
5. battery container component according to claim 1, it is characterised in that：The boss is two or more along the housing
The boss of the long side distribution of bottom surface.
6. battery container component according to claim 1, it is characterised in that：The boss is provided with one through battery case
The through hole of body bottom surface, the recess side of boss is provided with the heavy platform hole of explosion-proof valve, and explosion-proof valve is fixed in the heavy platform hole of explosion-proof valve and blocks
Through hole.
7. battery container component according to claim 6, it is characterised in that：The battery container component also includes being arranged on
The first explosion-proof valve diaphragm on the outside of explosion-proof valve, is provided with the heavy platform hole of the first diaphragm on the outside of the heavy platform hole of explosion-proof valve, first prevents
Quick-fried valve protection film is fixed in the heavy platform hole of the first diaphragm and blocks in the heavy platform hole of the first diaphragm.
8. battery container component according to claim 6, it is characterised in that：The battery container component also includes being arranged on
The second explosion-proof valve diaphragm on the inside of explosion-proof valve, the convex side of boss is provided with the heavy platform hole of the second diaphragm, and the second explosion-proof valve is protected
Cuticula is fixed in the heavy platform hole of the second diaphragm and blocks in the heavy platform hole of the second diaphragm.
9. battery container component according to claim 1, it is characterised in that：The bottom surface of the housing and the four of housing sides
The connection in face is that fillet or chamfering connect.
10. a kind of secondary cell, including battery container component and the battery core being contained in battery container component, it is characterised in that：
The battery container component is the battery container component any one of claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715681.4U CN206098459U (en) | 2016-07-08 | 2016-07-08 | Secondary cell and battery case subassembly thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620715681.4U CN206098459U (en) | 2016-07-08 | 2016-07-08 | Secondary cell and battery case subassembly thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206098459U true CN206098459U (en) | 2017-04-12 |
Family
ID=58465910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620715681.4U Active CN206098459U (en) | 2016-07-08 | 2016-07-08 | Secondary cell and battery case subassembly thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206098459U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716555A (en) * | 2016-09-21 | 2019-05-03 | 三星Sdi株式会社 | Rechargeable battery |
| CN115066801A (en) * | 2020-07-10 | 2022-09-16 | 宁德时代新能源科技股份有限公司 | Battery case, battery cell, battery, method and device for manufacturing battery case |
| WO2023159847A1 (en) * | 2022-02-28 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electrical apparatus |
| WO2023217226A1 (en) * | 2022-05-12 | 2023-11-16 | 比亚迪股份有限公司 | Battery cell, battery pack and vehicle |
-
2016
- 2016-07-08 CN CN201620715681.4U patent/CN206098459U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109716555A (en) * | 2016-09-21 | 2019-05-03 | 三星Sdi株式会社 | Rechargeable battery |
| US11276899B2 (en) | 2016-09-21 | 2022-03-15 | Samsung Sdi Co., Ltd. | Rechargeable battery |
| CN115066801A (en) * | 2020-07-10 | 2022-09-16 | 宁德时代新能源科技股份有限公司 | Battery case, battery cell, battery, method and device for manufacturing battery case |
| CN115066801B (en) * | 2020-07-10 | 2024-01-05 | 宁德时代新能源科技股份有限公司 | Battery box, battery cell, battery, and method and device for preparing battery box |
| WO2023159847A1 (en) * | 2022-02-28 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electrical apparatus |
| WO2023159840A1 (en) * | 2022-02-28 | 2023-08-31 | 宁德时代新能源科技股份有限公司 | Battery cell, battery, and electrical device |
| WO2023217226A1 (en) * | 2022-05-12 | 2023-11-16 | 比亚迪股份有限公司 | Battery cell, battery pack and vehicle |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |