CN111276646A - Shell structure, battery structure and electronic equipment - Google Patents
Shell structure, battery structure and electronic equipment Download PDFInfo
- Publication number
- CN111276646A CN111276646A CN202010211241.6A CN202010211241A CN111276646A CN 111276646 A CN111276646 A CN 111276646A CN 202010211241 A CN202010211241 A CN 202010211241A CN 111276646 A CN111276646 A CN 111276646A
- Authority
- CN
- China
- Prior art keywords
- upper cover
- lower cover
- cover
- recess
- connecting piece
- 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.)
- Pending
Links
- 238000010276 construction Methods 0.000 claims 2
- 238000007789 sealing Methods 0.000 abstract description 10
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/109—Primary casings; Jackets or wrappings characterised by their shape or physical structure of button or coin shape
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/147—Lids or covers
- H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The invention provides a case structure, a battery structure and an electronic device, the case structure including: the upper cover comprises a first upper cover and a second upper cover, the connecting piece is arranged between the second upper cover and the lower cover and is clamped with the second upper cover, and the connecting piece is clamped with the lower cover, and the first upper cover, the second upper cover, the connecting piece and the lower cover are sequentially stacked and combined. The embodiment of the invention can improve the sealing property of the shell structure.
Description
Technical Field
The invention relates to the technical field of batteries, in particular to a shell structure, a battery structure and electronic equipment.
Background
With the development and progress of science and technology, the market demand for wearable devices, such as wireless earphones, sports watches, and hand rings, etc., is increasing, and button cells are an important component in wearable devices. The button cell comprises a shell structure in the structure, wherein the shell structure in the button cell on the current market consists of an upper cover, a body and a lower cover, the upper cover, the body and the lower cover in the shell structure are covered and arranged, and the shell structure is poor in sealing property.
Disclosure of Invention
An object of the embodiments of the present invention is to provide a casing structure, a battery structure and an electronic device, so as to solve the problem of poor sealing performance of the casing structure.
In order to achieve the above object, an embodiment of the present invention provides a housing structure, including: the upper cover comprises a first upper cover and a second upper cover, the connecting piece is arranged between the second upper cover and the lower cover and is clamped with the second upper cover, and the connecting piece is clamped with the lower cover, and the first upper cover, the second upper cover, the connecting piece and the lower cover are sequentially stacked and combined.
Optionally, the outer diameter of the connecting piece is not smaller than the outer diameter of the second upper cover, and the outer diameter of the connecting piece is not smaller than the outer diameter of the lower cover.
Optionally, a space is formed between projections of the upper cover and the lower cover from the side surface of the housing structure to the axis of the housing structure.
Optionally, the outer structures of the upper cover, the connecting piece and the lower cover are cylindrical structures.
Optionally, the outer side surface of the connecting piece is provided with a first concave portion, a convex portion and a second concave portion, the second upper cover is clamped in the first concave portion, the lower cover is clamped in the second concave portion, and the convex portion is located between the lower cover and the second upper cover.
Optionally, one end of the second upper cover connected with the first recess is provided with an inward first annular flange, and the section of the inward first annular flange is U-shaped; the first recess of the connecting piece is a first annular gap extending towards one side of the second upper cover, and the first annular flanging is embedded into the first annular gap.
Optionally, one end of the lower cover connected with the second recess is provided with an inward second annular flange, and the section of the inward second annular flange is in an inverted U shape; the second recess of the connecting piece is a second annular gap extending towards one side of the lower cover, and the second annular flanging is embedded into the second annular gap.
Optionally, the lower cover comprises a first lower cover and a second lower cover, and the connecting piece is clamped with the second lower cover.
The embodiment of the invention also provides a battery structure, which is characterized by comprising the shell structure provided by the embodiment of the invention.
The embodiment of the invention also provides electronic equipment, which is characterized by comprising the battery structure provided by the embodiment of the invention.
One of the above technical solutions has the following advantages or beneficial effects:
in an embodiment of the present invention, the housing structure includes: upper cover, connecting piece and lower cover, the upper cover includes first upper cover and second upper cover, the connecting piece set up in the second upper cover with between the lower cover, because the connecting piece with second upper cover joint, the connecting piece with the lower cover joint, first upper cover the second upper cover the connecting piece with the lower cover piles up the combination in proper order. Compared with the prior art that the upper cover, the body and the lower cover in the shell structure are in cover connection, the embodiment of the invention can improve the sealing performance of the shell structure.
Drawings
FIG. 1 is a schematic illustration of a cross-section of a housing structure provided by an embodiment of the present invention;
FIG. 2 is an exploded view of a housing structure provided by an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of another housing structure provided by an embodiment of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, an embodiment of the present invention provides a schematic cross-sectional view of a housing structure, as shown in fig. 1, including: upper cover 11, connecting piece 12 and lower cover 13, upper cover 11 includes first upper cover 111 and second upper cover 112, connecting piece 12 set up in second upper cover 112 with between the lower cover 13, connecting piece 12 with second upper cover 112 joint, connecting piece 12 with lower cover 13 joint, first upper cover 111 second upper cover 112 connecting piece 12 with lower cover 13 piles up the combination in proper order.
In the embodiment of the present invention, a specific clamping manner of the connecting element 12 and the second upper cover 112 is not limited, for example, as shown in fig. 1, a part of the connecting element 12 and a part of the second upper cover 112 are embedded to realize clamping of the connecting element 12 and the second upper cover 112, and the connecting element 12 and the second upper cover 112 may also be clamped in other manners, which is not limited in the embodiment of the present invention.
Similarly, in the embodiment of the present invention, a specific clamping manner of the connecting member 12 and the lower cover 13 is not limited, for example, as shown in fig. 1, a part of the connecting member 12 and a part of the lower cover 13 are embedded to realize clamping of the connecting member 12 and the lower cover 13, and the connecting member 12 and the lower cover 13 may also be clamped in other manners, which is not limited in this embodiment of the present invention.
As shown in fig. 1, the upper cover 11 includes the first upper cover 111 and the second upper cover 112, and the upper cover 11 is divided into two parts, and the arrangement of the first upper cover 111 is beneficial to facilitate the requirement of filling the substance inside the housing structure.
In the case structure, the upper cover 11 and the lower cover 13 may be used as different electrodes in the battery structure, respectively. The connecting piece 12 is arranged between the second upper cover 112 and the lower cover 13, the first upper cover 111, the second upper cover 112, the connecting piece 12 and the lower cover 13 are sequentially stacked and combined, the upper cover 11 and the lower cover 13 are not in contact with each other, and the possibility of short circuit inside the battery structure is avoided.
In the embodiment of the present invention, specific shapes of the first upper cover 111, the second upper cover 112, the connecting member 12, and the lower cover 13 are not limited, for example, the first upper cover 111, the second upper cover 112, the connecting member 12, and the lower cover 13 may have a cylindrical structure, and the first upper cover 111, the second upper cover 112, the connecting member 12, and the lower cover 13 may have a rectangular parallelepiped structure, which is not limited in the embodiment of the present invention.
In the embodiment of the present invention, a combination manner between the first upper cover 111, the second upper cover 112, the connecting member 12, and the lower cover 13 is not limited, for example, in a combination process between the first upper cover 111, the second upper cover 112, the connecting member 12, and the lower cover 13, an extrusion molding process may be used, an injection molding process may be used, and a laser welding process may be used, which is not limited in the embodiment of the present invention.
As shown in fig. 2, an exploded view of a housing structure is provided in the embodiment of the present invention.
In the embodiment of the present invention, since the connecting member 12 is connected to the second upper cover 112 in a snap-fit manner, the connecting member 12 is connected to the lower cover 13 in a snap-fit manner, and the first upper cover 111, the second upper cover 112, the connecting member 12, and the lower cover 13 are sequentially stacked and combined. Compared with the prior art that the upper cover, the body and the lower cover of the shell structure are in cover connection, the embodiment of the invention can improve the sealing performance of the shell structure.
As an alternative embodiment, the outer diameter of the connecting member 12 is not smaller than the outer diameter of the second upper cover 112, and the outer diameter of the connecting member 12 is not smaller than the outer diameter of the lower cover 13.
In this embodiment, the outer diameter of the connecting member 12 is not smaller than the outer diameter of the second upper cover 112, the outer diameter of the connecting member 12 is not smaller than the outer diameter of the lower cover 13, and the connecting member 12 is clamped with the lower cover 13 due to the clamping connection between the connecting member 12 and the second upper cover 112, so that the sealing performance of the housing structure is improved.
As an alternative embodiment, the upper cover 11 and the lower cover 13 are respectively spaced from the side of the housing structure to the projection of the housing structure on the axis.
In the case structure, the upper cover 11 and the lower cover 13 can be respectively used as different electrodes in the battery structure, and the upper cover 11 and the lower cover 13 are not in contact with each other, so that the possibility of internal short circuit of the battery structure is avoided.
As an alternative embodiment, the external structures of the upper cover 11, the connecting member 12 and the lower cover 13 are cylindrical structures.
In this embodiment, as shown in fig. 2, the outer structures of the upper cover 11, the connecting member 12 and the lower cover 13 are cylindrical structures, and fig. 1 is a schematic cross-sectional view of the housing structure.
As an alternative embodiment, the outer side surface of the connecting member 12 is provided with a first recess, a protrusion and a second recess, the second upper cover 112 is clamped in the first recess, the lower cover 13 is clamped in the second recess, and the protrusion is located between the lower cover 13 and the second upper cover 112.
In this embodiment, a specific clamping manner of clamping the connecting member 12 to the second upper cover 112 and clamping the connecting member 12 to the lower cover 13 is provided. The first recess and the second recess are recessed from the outer side surface of the connector 12 in the direction of the centre of the housing structure.
In this embodiment, specific shapes of the first recess and the second recess are not limited, and for example, the first recess may be "L" shaped or rounded, and the second recess may be "gamma" shaped or rounded, and this embodiment is not limited thereto. This embodiment may improve the sealing of the housing structure.
As an alternative embodiment, as shown in fig. 1, an end of the second upper cover 112 connected to the first recess has an inward first annular flange, and a cross section of the inward first annular flange is U-shaped; the first recess of the connecting member 12 is a first annular gap extending towards one side of the second upper cover 112, and the first annular flange is embedded into the first annular gap.
In this embodiment, a specific clamping manner of the connecting member 12 and the second upper cover 112 is provided, the first annular flange of the second upper cover 112 is tightly embedded in the first annular gap in the connecting member 12, the connecting member 12 and the second upper cover 112 are combined more tightly and firmly, and the sealing performance of the housing structure is better.
As an alternative embodiment, as shown in fig. 1, one end of the lower cover 13 connected to the second recess has an inward second annular flange with an inverted U-shaped cross section; the second recess of the connecting member 12 is a second annular gap extending to one side of the lower cover 13, and the second annular flange is embedded in the second annular gap.
In this embodiment, a specific clamping manner of clamping the connecting member 12 and the lower cover 13 is provided, the second annular flange of the lower cover 13 is tightly embedded into the second annular gap in the connecting member 12, the connecting member 12 and the lower cover 13 are combined more tightly and firmly, and the sealing performance of the housing structure is better.
As an alternative embodiment, as shown in fig. 3, the lower cover 13 includes a first lower cover 131 and a second lower cover 132, and the connecting member 12 is snapped to the second lower cover 132.
In this embodiment, the upper cover 11 includes a first upper cover 111 and a second upper cover 112, similar to the upper cover 11. The lower cover 13 comprises the first lower cover 131 and the second lower cover 132, and the lower cover 13 is divided into two parts, which is beneficial to facilitating the requirement of filling the substance inside the shell structure.
In an embodiment of the present invention, the housing structure includes: upper cover, connecting piece and lower cover, the upper cover includes first upper cover and second upper cover, the connecting piece set up in the second upper cover with between the lower cover, because the connecting piece with second upper cover joint, the connecting piece with the lower cover joint, first upper cover the second upper cover the connecting piece with the lower cover piles up the combination in proper order. Compared with the prior art that the upper cover, the body and the lower cover in the shell structure are in cover connection, the embodiment of the invention can improve the sealing performance of the shell structure.
In an embodiment of the present invention, a battery structure including the case structure of any of the embodiments provided in the embodiment of the present invention is also provided.
In an embodiment of the present invention, an electronic device is further provided, which includes the battery structure provided in the embodiment of the present invention.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims.
Claims (10)
1. A shell structure, comprising: the upper cover comprises a first upper cover and a second upper cover, the connecting piece is arranged between the second upper cover and the lower cover and is clamped with the second upper cover, and the connecting piece is clamped with the lower cover, and the first upper cover, the second upper cover, the connecting piece and the lower cover are sequentially stacked and combined.
2. The housing structure according to claim 1, wherein an outer diameter of the connecting member is not smaller than an outer diameter of the second upper cover, and an outer diameter of the connecting member is not smaller than an outer diameter of the lower cover.
3. The housing structure of claim 1 wherein the upper cover and the lower cover each have a spacing between projections from sides of the housing structure onto the axis of the housing structure.
4. The housing structure of claim 1 wherein the outer structure of the upper cover, the connector and the lower cover is a cylindrical structure.
5. The housing structure according to claim 1, wherein the outer side surface of the connecting member is provided with a first recess, a projection, and a second recess, the second upper cover is engaged in the first recess, the lower cover is engaged in the second recess, and the projection is located between the lower cover and the second upper cover.
6. The shell structure of claim 5, wherein the end of the second upper cover connected with the first recess has an inward first annular flange with a U-shaped cross section; the first recess of the connecting piece is a first annular gap extending towards one side of the second upper cover, and the first annular flanging is embedded into the first annular gap.
7. The housing structure of claim 5 wherein the end of said lower cover connected to said second recess has an inward second annular flange with an inverted U-shaped cross-section; the second recess of the connecting piece is a second annular gap extending towards one side of the lower cover, and the second annular flanging is embedded into the second annular gap.
8. The housing structure of claim 1, wherein the lower cover comprises a first lower cover and a second lower cover, and the connector is snapped into the second lower cover.
9. A battery construction, characterized in that it comprises a housing construction according to any one of claims 1-8.
10. An electronic device, characterized in that it comprises a battery structure as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211241.6A CN111276646A (en) | 2020-03-24 | 2020-03-24 | Shell structure, battery structure and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010211241.6A CN111276646A (en) | 2020-03-24 | 2020-03-24 | Shell structure, battery structure and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111276646A true CN111276646A (en) | 2020-06-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010211241.6A Pending CN111276646A (en) | 2020-03-24 | 2020-03-24 | Shell structure, battery structure and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111276646A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4057430A4 (en) * | 2020-07-01 | 2023-12-13 | LG Energy Solution, Ltd. | Button-type secondary battery and method for manufacturing same |
-
2020
- 2020-03-24 CN CN202010211241.6A patent/CN111276646A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4057430A4 (en) * | 2020-07-01 | 2023-12-13 | LG Energy Solution, Ltd. | Button-type secondary battery and method for manufacturing same |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 519180 No. 209 Pearl Peak Avenue, Jingan Town, Doumen District, Zhuhai City, Guangdong Province Applicant after: Zhuhai Guanyu Battery Co., Ltd Address before: 519180 No. 209 Pearl Peak Avenue, Jingan Town, Doumen District, Zhuhai City, Guangdong Province Applicant before: ZHUHAI COSLIGHT BATTERY Co.,Ltd. |