CN216903137U - Leakage-proof lithium battery - Google Patents
Leakage-proof lithium battery Download PDFInfo
- Publication number
- CN216903137U CN216903137U CN202123003427.1U CN202123003427U CN216903137U CN 216903137 U CN216903137 U CN 216903137U CN 202123003427 U CN202123003427 U CN 202123003427U CN 216903137 U CN216903137 U CN 216903137U
- Authority
- CN
- China
- Prior art keywords
- fixed block
- layer
- bottom end
- top cover
- electrolyte
- 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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- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 25
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 25
- 239000010410 layer Substances 0.000 claims abstract description 44
- 239000003792 electrolyte Substances 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000011241 protective layer Substances 0.000 claims abstract description 15
- 239000003063 flame retardant Substances 0.000 claims description 12
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 8
- 238000001125 extrusion Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000006467 substitution reaction Methods 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
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- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a leakage-proof lithium battery, which comprises an electrolyte, a protective layer and a top cover, wherein a wiring end is arranged in the middle of the top end of the top cover, the bottom end of the wiring end is fixedly connected with the top cover, fixed blocks are arranged on the periphery of the bottom end of the top cover, thread grooves are arranged at the bottom end of the inner wall of each fixed block, an insulating skin layer is arranged in a gap between each fixed block and the top cover, a sealing gasket is arranged at the bottom end of the top cover, the top end of each sealing gasket is connected with the bottom end of the top cover in an embedded manner, the electrolyte is arranged at the bottom end of each sealing gasket, the electrolyte is filled in each insulating skin layer, a shielding layer is arranged on the outer layer of each insulating skin layer, the top end of each shielding layer is fixedly connected with the bottom end of the corresponding fixed block, the protective layer is arranged at the bottom end of each fixed block, the top end of the protective layer is fixedly connected with the fixed blocks, and the bottom end of the top cover is provided with threads, and the top cover is in threaded connection with the inner wall of the fixing block. The utility model has simple structure and convenient operation.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to a leakage-proof lithium battery.
Background
The lithium cell can be used for providing the electric quantity for some electrical apparatus, for example article such as remote controller, notebook computer and treasured that charges to after battery is adorned to these electrical apparatus, just can make these electrical apparatus operate, and the lithium cell is as the article commonly used in the life, and the lithium cell can carry out cycle use, only need when the lithium cell is used up, both can charge and make the lithium cell can carry out secondary and use, but universal lithium cell does not possess some shortcoming:
first, when a general lithium battery is rolled carelessly in life, electrolyte and the like in the lithium battery are easily extruded out, so that environmental pollution or physical injury and the like to people are caused.
Secondly, the discharge speed of the universal lithium battery is low, when the lithium battery is placed in a machine using high performance, the discharge is easy to cause, the machine is driven to be slow, and therefore the machine runs slowly, for example, the mechanical running revolution number of a motor and the like is slow.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a leakage-proof lithium battery to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a leakage-proof lithium battery comprises an electrolyte, a protective layer and a top cover, wherein a wiring end is installed in the middle of the top end of the top cover, the bottom end of the wiring end is fixedly connected with the top cover, a fixed block is installed around the bottom end of the top cover, a thread groove is installed at the bottom end of the inner wall of the fixed block, an insulating skin layer is installed in a gap between the fixed block and the top cover, a sealing gasket is installed at the bottom end of the top cover, the top end of the sealing gasket is connected with the bottom end of the top cover in an embedded mode, the electrolyte is installed at the bottom end of the sealing gasket, the electrolyte is filled in the insulating skin layer, a shielding layer is installed on the outer layer of the insulating skin layer, the top end of the shielding layer is fixedly connected with the bottom end of the fixed block, a flame-retardant layer is installed on the outer layer, and the top end of the flame-retardant layer is fixedly connected with the bottom end of the fixed block, the protective layer is installed to the bottom of fixed block, the top of protective layer with fixed block fixed connection.
Further, the terminal is electrically connected with the electrolyte through a circuit.
Furthermore, the bottom of top cap is equipped with the screw thread, and the top cap with the inner wall threaded connection of fixed block.
Further, the outer side of the shielding layer is fixedly connected with the inner side of the flame-retardant layer.
Furthermore, a sealing ring is installed at the top end of a gap between the fixed block and the top cover.
Compared with the prior art, the utility model has the following beneficial effects:
the top cover can be in threaded connection with the fixed block, so that the insulating skin layer is fixed and screwed, the sealing performance of the battery can be enhanced by matching the sealing gasket and the sealing ring, and the electrolyte in the battery is prevented from flowing out. Meanwhile, the shielding layer and the flame-retardant layer can improve the anti-interference performance and the fireproof performance of the battery, and the protective layer enhances the anti-falling and anti-extrusion capabilities.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a schematic overall cross-sectional view of a lithium battery that is leak-proof;
fig. 2 is an overall schematic plan view of a leakage-proof lithium battery.
Reference numerals:
1. a terminal; 2. a top cover; 3. a fixed block; 4. a thread groove; 5. an insulating skin layer; 6. a gasket; 7. an electrolyte; 8. a shielding layer; 9. a flame retardant layer; 10. a protective layer; 11. and (5) sealing rings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "top", "bottom", "one side", "the other side", "front", "back", "middle part", "inside", "top", "bottom", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-2, a leakage-proof lithium battery according to an embodiment of the present invention includes an electrolyte 7, a protective layer 10, and a top cap 2, wherein a terminal 1 is installed in the middle of the top end of the top cap 2, the bottom end of the terminal 1 is fixedly connected to the top cap 2, a fixed block 3 is installed around the bottom end of the top cap 2, a thread groove 4 is installed at the bottom end of the inner wall of the fixed block 3, an insulating skin layer 5 is installed in a gap between the fixed block 3 and the top cap 2, a sealing gasket 6 is installed at the bottom end of the top cap 2, the top end of the sealing gasket 6 is connected to the bottom end of the top cap 2 in an embedded manner, the electrolyte 7 is installed at the bottom end of the sealing gasket 6, the electrolyte 7 is filled in the insulating skin layer 5, a shielding layer 8 is installed on the outer layer of the insulating skin layer 5, and the top end of the shielding layer 8 is fixedly connected to the bottom end of the fixed block 3, fire-retardant layer 9 is installed to shielding layer 8's skin, fire-retardant layer 9's top with the bottom fixed connection of fixed block 3, protective layer 10 is installed to the bottom of fixed block 3, the top of protective layer 10 with fixed block 3 fixed connection.
According to the scheme of the utility model, the wiring terminal 1 is electrically connected with the electrolyte 7 through a circuit, the bottom end of the top cover 2 is provided with threads, the top cover 2 is in threaded connection with the inner wall of the fixed block 3, the outer side of the shielding layer 8 is fixedly connected with the inner side of the flame-retardant layer 9, and the top end of a gap between the fixed block 3 and the top cover 2 is provided with the sealing ring 11.
The working principle is as follows: the top cover 2 can be in threaded connection with the fixing block 3, so that the insulating skin layer 5 is fixed and screwed, and the sealing performance of the battery can be enhanced by matching the sealing gasket 6 and the sealing ring 11, and the electrolyte 7 in the battery is prevented from flowing out. Meanwhile, the shielding layer 8 and the flame-retardant layer can improve the anti-interference performance and the fireproof performance of the battery, and the protective layer 10 enhances the anti-falling and anti-extrusion capabilities.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the utility model as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a lithium cell of preventing leakage, includes electrolyte (7), protective layer (10) and top cap (2), wiring end (1) are installed to the top middle part of top cap (2), the bottom of wiring end (1) with top cap (2) fixed connection, its characterized in that: the bottom of top cap (2) installs fixed block (3) all around, thread groove (4) are installed to the inner wall bottom of fixed block (3), fixed block (3) with insulating cortex (5) are installed to the clearance of top cap (2), sealed pad (6) are installed to the bottom of top cap (2), the top of sealed pad (6) with the bottom gomphosis of top cap (2) is connected, the bottom of sealed pad (6) is installed electrolyte (7), the inside of insulating cortex (5) is filled with electrolyte (7), the skin of insulating cortex (5) is installed and is shielded layer (8), the top of shielded layer (8) with the bottom fixed connection of fixed block (3), fire-retardant layer (9) is installed to the skin of shielded layer (8), the top of fire-retardant layer (9) with the bottom fixed connection of fixed block (3), protective layer (10) are installed to the bottom of fixed block (3), the top of protective layer (10) with fixed block (3) fixed connection.
2. A leakage-proof lithium battery according to claim 1, characterized in that the terminal (1) is electrically connected to the electrolyte (7) by a wire.
3. A leakage-proof lithium battery as claimed in claim 1, characterized in that the bottom end of the top cap (2) is provided with a screw thread, and the top cap (2) is screw-connected with the inner wall of the fixing block (3).
4. A leakage-proof lithium battery as claimed in claim 1, characterized in that the outer side of the shielding layer (8) is fixedly connected to the inner side of the flame-retardant layer (9).
5. A leakage-proof lithium battery as claimed in claim 1, characterized in that a sealing ring (11) is mounted on the top of the gap between the fixing block (3) and the top cover (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003427.1U CN216903137U (en) | 2021-12-01 | 2021-12-01 | Leakage-proof lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123003427.1U CN216903137U (en) | 2021-12-01 | 2021-12-01 | Leakage-proof lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216903137U true CN216903137U (en) | 2022-07-05 |
Family
ID=82203075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123003427.1U Expired - Fee Related CN216903137U (en) | 2021-12-01 | 2021-12-01 | Leakage-proof lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216903137U (en) |
-
2021
- 2021-12-01 CN CN202123003427.1U patent/CN216903137U/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: 20220705 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |