CN212136550U - Miniature lithium cell with mounting groove - Google Patents
Miniature lithium cell with mounting groove Download PDFInfo
- Publication number
- CN212136550U CN212136550U CN202021240753.7U CN202021240753U CN212136550U CN 212136550 U CN212136550 U CN 212136550U CN 202021240753 U CN202021240753 U CN 202021240753U CN 212136550 U CN212136550 U CN 212136550U
- Authority
- CN
- China
- Prior art keywords
- mounting groove
- upper cover
- battery cell
- battery
- shell
- 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
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 38
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 34
- 238000007789 sealing Methods 0.000 claims description 9
- 238000004804 winding Methods 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 101150006573 PAN1 gene Proteins 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 239000007773 negative electrode material Substances 0.000 description 3
- 239000011255 nonaqueous electrolyte Substances 0.000 description 3
- 239000007774 positive electrode material Substances 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 229910000733 Li alloy Inorganic materials 0.000 description 2
- 239000001989 lithium alloy Substances 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000083547 Columella Species 0.000 description 1
- 229910002065 alloy metal Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
Images
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
- Battery Mounting, Suspending (AREA)
Abstract
The utility model discloses a miniature lithium cell with mounting groove, lithium cell include drain pan, upper cover and electric core, and drain pan and upper cover cooperation are installed together, form the shell, and electric core setting is provided with inside sunken mounting groove on the shell in the shell, are provided with sealed insulating part between upper cover and the drain pan, and drain pan opening part border turns over to the enstrophe and forms the turn-ups, pushes down the upper cover border through the turn-ups. The utility model discloses the design has mounting groove on lithium cell casing, gives the use the utility model discloses a design of electronic product brings a lot of convenience. If the Bluetooth headset is applied to the Bluetooth headset, the loudspeaker or the microphone of the headset can be designed in the mounting groove, so that the size of the Bluetooth headset can be further reduced, and the flexibility of product design is improved if the Bluetooth headset is applied to other electronic products.
Description
Technical Field
The utility model discloses a lithium cell, especially a miniature lithium cell with mounting groove belongs to miniature lithium cell technical field.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. The lithium battery has the advantages of extremely low self-discharge rate, mild discharge voltage, good use temperature, good sealing performance, long storage time and the like, generally has a nominal voltage higher than 3.0V, and is more suitable for being used as an integrated circuit power supply.
Current lithium batteries can be broadly classified into two categories: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in a metallic state and are chargeable, and generally, lithium ion batteries use a lithium alloy metal oxide as a positive electrode material, graphite as a negative electrode material, and a nonaqueous electrolyte. In general, a lithium metal battery uses manganese dioxide as a positive electrode material, lithium metal or an alloy metal thereof as a negative electrode material, and a nonaqueous electrolyte solution.
In terms of battery shape, lithium batteries are mainly classified into soft package batteries, square batteries, column batteries, small column batteries, button batteries, and the like. Small column lithium cell and button lithium cell are mainly used in some miniature electronic equipment because the volume is less, if: computer mainboard, MP3 watch, calculator, IC card, electronic dictionary, tax controller, Bluetooth earphone, hand-operated rechargeable flashlight, toy interphone, etc.
In the prior art, except for the difference of the structural sizes, the shapes of the small column type lithium battery and the button type lithium battery are basically fixed, are similar to a cylinder, and are different in diameter and length.
Disclosure of Invention
To the design that terminal product was injectd to above-mentioned columella formula lithium cell among the prior art and knot lithium cell self structure, caused the shortcoming of design restriction, the utility model provides a miniature lithium cell with mounting groove, it has mounting groove, gives the use in the design of battery case the utility model discloses an electronic product's design brings a lot of convenience.
The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a miniature lithium cell with mounting groove, lithium cell includes drain pan, upper cover and electric core, and drain pan and upper cover cooperation are installed together, form the shell, and electric core setting is provided with inside sunken mounting groove on the shell in the shell, is provided with sealed insulating part between upper cover and the drain pan, and drain pan opening part border turns over the formation turn-ups that turns over inwards, pushes down the upper cover border through the turn-ups.
The utility model provides a technical scheme that its technical problem adopted further still includes:
the sealing insulating part adopts an insulating film or an insulating sleeve.
The mounting groove is arranged on the upper cover or the mounting groove is arranged on the bottom shell.
The mounting groove is in a hollow cylindrical shape. The battery cell adopts a winding type battery cell structure or a laminated battery cell structure, and when the battery cell adopts the winding type battery cell structure, the battery cell is wound on the mounting groove; when the battery cell adopts a laminated battery cell structure, a through hole which is identical with the shape of the mounting groove or slightly larger than the mounting groove is formed in the middle of the battery cell, and the mounting groove is inserted in the through hole.
The battery cell is characterized in that a first insulating plate is arranged between the battery cell and the upper cover, a through hole is formed in the middle of the first insulating plate, a through hole which is identical to or slightly larger than the mounting groove in shape is formed in the middle of the through hole, and the mounting groove is inserted into the through hole.
And a second insulating plate is arranged between the bottom of the mounting groove and the bottom shell, and the shape of the second insulating plate is larger than or equal to that of the bottom of the mounting groove.
The bottom shell is provided with a rolling groove at a position close to the opening, and the edge of the upper cover is arranged between the rolling groove and the flanging.
The utility model has the advantages that: the utility model discloses the design has mounting groove on lithium cell casing, gives the use the utility model discloses a design of electronic product brings a lot of convenience. If the Bluetooth headset is applied to the Bluetooth headset, the loudspeaker or the microphone of the headset can be designed in the mounting groove, so that the size of the Bluetooth headset can be further reduced, and the flexibility of product design is improved if the Bluetooth headset is applied to other electronic products.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Drawings
Fig. 1 is a schematic perspective view of an embodiment of the present invention.
Fig. 2 is a schematic cross-sectional view of an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of an exploded state according to an embodiment of the present invention.
Fig. 4 is a schematic perspective view of a second embodiment of the present invention.
Fig. 5 is a schematic cross-sectional structure diagram of an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of two decomposition states in the embodiment of the present invention.
In the figure, 1-a bottom shell, 2-an upper cover, 3-a mounting groove, 4-a battery core, 5-a sealing insulating part, 6-a first insulating plate, 7-a second insulating plate, 8-a flanging, 9-a through hole and 10-a rolling groove.
Detailed Description
The embodiment is a preferred embodiment of the present invention, and other principles and basic structures are the same as or similar to those of the embodiment, and are within the protection scope of the present invention.
Please refer to fig. 1 to fig. 6 in combination, the utility model discloses mainly include drain pan 1, upper cover 2 and electric core 4, drain pan 1 and upper cover 2 cooperate to be installed together, form the shell, and electric core 4 sets up in the shell, is provided with inside sunken mounting groove 3 on the shell. In this embodiment, a sealing insulating member 5 is disposed between the upper cover 2 and the bottom case 1, the sealing insulating member 5 may be an insulating film or an insulating sleeve to seal and insulate between the upper cover 2 and the bottom case 1, and when the insulating film is used, the insulating film is filled between the upper cover 2 and the bottom case 1; when the insulating sleeve is adopted, the insulating sleeve is sleeved on the edge of the upper cover 2, and the sealing insulating part 5 is coated on the edge of the upper cover 2 through thermal shrinkage or other processes. In this embodiment, the edge of the opening of the bottom case 1 is turned inwards to form a turned edge 8, and the edge of the upper cover 2 is pressed by the turned edge 8 to realize sealing.
In this embodiment, mounting groove 3 sets up on upper cover 2, during the concrete implementation, also can be according to actual need, sets up mounting groove 3 on drain pan 1, and mounting groove 3 is hollow circular column form, and mounting groove 3's cross section is circular promptly, during the concrete implementation, also can adopt the mounting groove 3 of other shapes, if: square, oval, etc. In this embodiment, the mounting groove 3 is directly pressed out into the shape of the mounting groove 3 on the upper cover 2 by using a stamping process, and during specific implementation, the mounting groove 3 can be formed by using a welding process, that is, the mounting groove 3 is made in advance, and then the mounting groove is welded on the upper cover 2 by using processes such as laser welding, spot welding and the like.
In this embodiment, the battery cell 4 adopts a lithium battery cell structure in the prior art, which may adopt a winding type cell structure or a laminated type cell structure, and when the winding type cell structure is adopted, the battery cell 4 is wound on the mounting groove 3 (an internal columnar structure); when the laminated cell structure is adopted, a through hole (not shown in the figure) which is identical to the shape of the mounting groove 3 (the internal columnar structure) or slightly larger than the mounting groove 3 (the internal columnar structure) is formed in the middle of the cell, and the mounting groove 3 is inserted in the through hole.
In this embodiment, a first insulating plate 6 is disposed between the battery cell 4 and the upper cover 2, and is used for insulating the battery cell 4 from the upper cover 2, in this embodiment, a through hole 9 is disposed in the middle of the first insulating plate 6, a through hole identical to or slightly larger than the mounting groove 3 (internal columnar structure) in shape is disposed in the middle of the through hole 9, and the mounting groove 3 is inserted into the through hole 9. In this embodiment, the second insulating plate 7 is disposed between the bottom of the mounting groove 3 and the bottom case 1, and the shape of the second insulating plate 7 is greater than or equal to the shape of the bottom of the mounting groove 3, so that insulation between the bottom case 1 and the upper cover 2 can be ensured.
In this embodiment, the bottom case 1 has two structures, fig. 1 to fig. 3 show a first structure of the bottom case 1 (i.e., embodiment one), fig. 4 to fig. 6 show a second structure of the bottom case 1 (i.e., embodiment two), and the difference between the embodiment two and the bottom case 1 in the embodiment one is that the bottom case 1 in the embodiment two is provided with a rolling groove 10 near the opening, and the edge of the upper cover 2 is arranged between the rolling groove 10 and the flange 8.
In the above embodiment, the installation groove 3 is disposed on the upper cover 2 for example, when the installation groove 3 is disposed on the upper cover 2, the battery cell 4 may be a winding battery cell or a laminated battery cell, and in particular, the installation groove 3 may also be disposed on the bottom case 1, and when the installation groove is disposed on the bottom case 1, it is inconvenient to make the winding battery cell, and the laminated battery cell may be made.
The utility model discloses the design has mounting groove on lithium cell casing, gives the use the utility model discloses a design of electronic product brings a lot of convenience. If the Bluetooth headset is applied to the Bluetooth headset, the loudspeaker or the microphone of the headset can be designed in the mounting groove, so that the size of the Bluetooth headset can be further reduced, and the flexibility of product design is improved if the Bluetooth headset is applied to other electronic products.
Claims (8)
1. The utility model provides a miniature lithium cell with mounting groove, characterized by: the lithium battery comprises a bottom shell, an upper cover and an electric core, wherein the bottom shell and the upper cover are installed together in a matched mode to form a shell, the electric core is arranged in the shell, an inward-concave mounting groove is formed in the shell, a sealing insulating part is arranged between the upper cover and the bottom shell, the edge of the opening of the bottom shell is turned inwards to form a turned edge, and the edge of the upper cover is pressed through the turned edge.
2. The lithium micro-battery as claimed in claim 1, wherein: the sealing insulating part adopts an insulating film or an insulating sleeve.
3. The lithium micro-battery as claimed in claim 1, wherein: the mounting groove is arranged on the upper cover or the mounting groove is arranged on the bottom shell.
4. The lithium micro-battery as claimed in claim 1, wherein: the mounting groove is in a hollow cylindrical shape.
5. The lithium micro-battery as claimed in claim 1, wherein: the battery cell adopts a winding type battery cell structure or a laminated battery cell structure, and when the battery cell adopts the winding type battery cell structure, the battery cell is wound on the mounting groove; when the battery cell adopts a laminated battery cell structure, a through hole which is identical with the shape of the mounting groove or slightly larger than the mounting groove is formed in the middle of the battery cell, and the mounting groove is inserted in the through hole.
6. The lithium micro-battery as claimed in claim 1, wherein: the battery cell is characterized in that a first insulating plate is arranged between the battery cell and the upper cover, a through hole is formed in the middle of the first insulating plate, a through hole which is identical to or slightly larger than the mounting groove in shape is formed in the middle of the through hole, and the mounting groove is inserted into the through hole.
7. The lithium micro-battery as claimed in claim 1, wherein: and a second insulating plate is arranged between the bottom of the mounting groove and the bottom shell, and the shape of the second insulating plate is larger than or equal to that of the bottom of the mounting groove.
8. The lithium micro-battery as claimed in claim 1, wherein: the bottom shell is provided with a rolling groove at a position close to the opening, and the edge of the upper cover is arranged between the rolling groove and the flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021240753.7U CN212136550U (en) | 2020-06-30 | 2020-06-30 | Miniature lithium cell with mounting groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021240753.7U CN212136550U (en) | 2020-06-30 | 2020-06-30 | Miniature lithium cell with mounting groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212136550U true CN212136550U (en) | 2020-12-11 |
Family
ID=73686081
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021240753.7U Expired - Fee Related CN212136550U (en) | 2020-06-30 | 2020-06-30 | Miniature lithium cell with mounting groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212136550U (en) |
-
2020
- 2020-06-30 CN CN202021240753.7U patent/CN212136550U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201211 |