CN216671785U - Energy-saving lithium battery - Google Patents
Energy-saving lithium battery Download PDFInfo
- Publication number
- CN216671785U CN216671785U CN202122630047.4U CN202122630047U CN216671785U CN 216671785 U CN216671785 U CN 216671785U CN 202122630047 U CN202122630047 U CN 202122630047U CN 216671785 U CN216671785 U CN 216671785U
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- CN
- China
- Prior art keywords
- end cover
- insulating
- partition plate
- shell
- lithium battery
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- 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.)
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 33
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 238000005192 partition Methods 0.000 claims abstract description 40
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000007774 positive electrode material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides an energy-saving lithium battery, which comprises a shell, an anode end cover, a cathode end cover and a carbon rod, wherein the shell is provided with a cathode end cover and a cathode end cover; the two ends of the shell are open, the positive end cover is in sliding fit and sealing installation at the open position at one end of the shell, the positive end cover is close to the first insulating partition plate, and a first elastic piece enabling the positive end cover to have a moving trend towards the direction far away from the first insulating partition plate is installed on the first insulating partition plate; the negative end cover is arranged at the open position at the other end of the shell in a sliding fit and sealing manner, is close to the second insulating partition plate, and is provided with a second elastic part which enables the negative end cover to have a tendency of moving away from the second insulating partition plate; the carbon rod sets up inside the casing and with the coaxial setting of casing, and the carbon rod both ends pass first insulating barrier, second insulating barrier respectively and are connected with first insulating barrier, second insulating barrier. The utility model can avoid the leakage phenomenon when the battery is not used.
Description
Technical Field
The utility model relates to the technical field of lithium batteries, in particular to an energy-saving lithium battery.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. In the prior art, the lithium battery has the problems that the insulation of a battery sealing ring or a gasket is poor or the resistance between external lead shells is not large enough, so that electrons leak due to conductive particles or other conducting wire substances existing in the external air, and the phenomenon of continuous electricity leakage still occurs when the lithium battery is not used.
SUMMERY OF THE UTILITY MODEL
Based on the technical problems in the background art, the utility model provides an energy-saving lithium battery.
The utility model provides an energy-saving lithium battery, which comprises a shell, an anode end cover, a cathode end cover and a carbon rod, wherein the shell is provided with a cathode end cover and a cathode end cover; two ends of the shell are open, and a first insulating partition plate and a second insulating partition plate are respectively arranged in the shell at the positions of the open openings at the two ends; the positive end cover is arranged at the position of an opening at one end of the shell in a sliding fit and sealing mode, is close to the first insulating partition plate, and is provided with a first elastic piece which enables the positive end cover to have a tendency of moving away from the first insulating partition plate; the negative end cover is arranged at the open position at the other end of the shell in a sliding fit and sealing manner, is close to the second insulating partition plate, and is provided with a second elastic part which enables the negative end cover to have a tendency of moving away from the second insulating partition plate; the carbon rod sets up inside the casing and with the coaxial setting of casing, and the carbon rod both ends pass first insulating barrier, second insulating barrier respectively and are connected with first insulating barrier, second insulating barrier, and the carbon rod both ends can be connected with anodal end cover, negative pole end cover contact respectively.
Preferably, a plurality of first pressure relief holes are formed in the first insulating partition plate, and first diaphragms capable of elastically deforming are arranged in the first pressure relief holes.
Preferably, the second insulating partition plate is provided with a plurality of second pressure relief holes, and the second pressure relief holes are internally provided with elastically deformable second diaphragms.
Preferably, the first insulating partition plate and the second insulating partition plate are in threaded fit connection with the inner wall of the shell.
Preferably, the positive end cover is provided with a first cylinder structure extending into the shell, the outer circular surface of the first cylinder structure is in sliding fit with the inner circular surface of the shell, a first annular groove is formed in the inner circular surface of the shell, the first cylinder structure is provided with a first sliding block in sliding fit with the first annular groove, and a first rubber ring is sleeved on the first sliding block.
Preferably, the negative end cover is provided with a second cylinder structure extending into the shell, the outer circular surface of the second cylinder structure is in sliding fit with the inner circular surface of the shell, a second annular groove is formed in the inner circular surface of the shell, a second sliding block in sliding fit with the second annular groove is arranged on the second cylinder structure, and a second rubber ring is sleeved on the second sliding block.
Preferably, a first insulating ring is arranged on one side, close to the carbon rod, of the positive end cover, and the end part of the carbon rod extends into the first insulating ring and is in sliding fit with the first insulating ring; the first elastic piece adopts a spring, and two ends of the first elastic piece are respectively connected with the first insulating partition plate and the first insulating ring.
Preferably, one side of the negative end cover, which is close to the carbon rod, is provided with a second insulating ring, and the end part of the carbon rod extends into the second insulating ring and is in sliding fit with the second insulating ring; the second elastic piece adopts the spring and second elastic piece both ends are connected with second insulating barrier, second insulating ring respectively.
According to the energy-saving lithium battery provided by the utility model, the positive end cover and the negative end cover are connected with the shell in a sliding fit manner, and the first elastic piece and the second elastic piece are arranged, so that when the lithium battery is used and is clamped in an external battery jar, the positive end cover and the negative end cover are pressed to the inside of the shell to move, the positive end cover and the negative end cover respectively compress the first elastic piece and the second elastic piece, and the positive end cover and the negative end cover can be contacted with a carbon rod to form a passage after moving for a certain distance; when the lithium battery is taken out from the external battery jar, the positive end cover and the negative end cover are reset and separated from the carbon rod, so that the circuit break is realized, and the loss of the electric energy inside the lithium battery which is leaked outwards through the positive end and the negative end when the lithium battery is not used is avoided; first insulating barrier, second insulating barrier pass through screw-thread fit connection in the casing, have played the effect of conveniently dismantling the carbon-point, and the anodal end cover of casing tip, negative pole end cover are separable, have reached when the inside electrolyte of battery is invalid the purpose of cyclic utilization such as removable casing, carbon-point.
Drawings
Fig. 1 is a schematic structural diagram of an energy-saving lithium battery according to the present invention;
FIG. 2 is a schematic diagram of an energy-saving lithium battery according to the present invention;
fig. 3 is a schematic structural diagram of an anode end cap in an energy-saving lithium battery according to the present invention;
fig. 4 is a schematic structural diagram of a negative electrode end cap in an energy-saving lithium battery according to the present invention.
Detailed Description
Referring to fig. 1-4, the utility model provides an energy-saving lithium battery, which comprises a shell 1, an anode end cover 2, a cathode end cover 3 and a carbon rod 8; wherein:
two ends of the shell 1 are opened, and a first insulating partition plate 4 and a second insulating partition plate 5 are respectively installed in the shell 1 at the positions of the openings at the two ends in a threaded fit manner. A plurality of first pressure relief holes are formed in the first insulating partition plate 4, and a first diaphragm 9 capable of elastically deforming is arranged in each first pressure relief hole. A plurality of second pressure relief holes are formed in the second insulating partition plate 5, and a second diaphragm 10 which can elastically deform is arranged in each second pressure relief hole.
The positive end cover 2 is installed at the open position of one end of the shell 1 in a sliding fit and sealing mode, the positive end cover 2 is close to the first insulating partition plate 4, and the first elastic piece 6 enabling the positive end cover 2 to have the trend of moving towards the direction far away from the first insulating partition plate 4 is installed on the first insulating partition plate 4.
The negative electrode end cover 3 is in sliding fit and sealing installation at the open position at the other end of the shell 1, the negative electrode end cover 3 is close to the second insulating partition plate 5, and the second elastic part 7 enabling the negative electrode end cover 3 to have the trend of moving towards the direction far away from the second insulating partition plate 5 is installed on the second insulating partition plate 5.
Carbon-point 8 sets up in casing 1 inside and with the coaxial setting of casing 1, and carbon-point 8 both ends pass first insulating barrier 4, second insulating barrier 5 respectively and are connected with first insulating barrier 4, second insulating barrier 5, and carbon-point 8 both ends can be connected with anodal end cover 2, the contact of negative pole end cover 3 respectively.
According to the utility model, the positive end cover 2 and the negative end cover 3 are connected with the shell 1 in a sliding fit manner, and the first elastic piece 6 and the second elastic piece 7 are arranged, so that when a battery is used and a lithium battery is clamped in an external battery jar, the positive end cover 2 and the negative end cover 3 are pressed to move towards the inside of the shell, the positive end cover 2 and the negative end cover 3 respectively compress the first elastic piece 6 and the second elastic piece 7, and the carbon rods 8 can be contacted with the positive end cover 2 and the negative end cover 3 to form a passage after moving for a certain distance; when the lithium cell was taken out from outside battery jar, positive pole end cover 2, negative pole end cover 3 reset and with the separation of carbon-point 8, realize opening circuit, avoided the inside electric energy of lithium cell when not using to outwards reveal the loss through positive pole end cover 2, negative pole end cover 3. Anodal end cover 2, when negative pole end cover 3 pressurized is to the inside removal of casing, can extrude the inside gas of casing, first diaphragm 9, second diaphragm 10 can take place to warp the inside removal, after anodal end cover 2, negative pole end cover 3 lost pressure, the gas that is compressed and makes first diaphragm 9, second diaphragm 10 elastic deformation can promote anodal end cover 2, negative pole end cover 3 respectively and reset, when having guaranteed not using the lithium cell, anodal end cover 2, separate between negative pole end cover 3 and the carbon-point 8.
The first insulating partition plate and the second insulating partition plate are connected in the shell 1 in a threaded fit mode, so that the carbon rod 8 can be conveniently detached, the positive end cover and the negative end cover of the end portion of the shell 1 can be separated, and the purpose of detaching the shell 1, the carbon rod 8 and the like for cyclic utilization when electrolyte in the battery fails is achieved.
In this embodiment, the positive end cover 2 is provided with a first cylinder structure extending into the casing 1, an outer circular surface of the first cylinder structure is in sliding fit with an inner circular surface of the casing 1, a first annular groove 11 is formed in the inner circular surface of the casing 1, the first cylinder structure is provided with a first slider 12 in sliding fit with the first annular groove 11, and a first rubber ring 13 is sleeved on the first slider 12. The negative electrode end cover 3 is provided with a second cylinder structure extending into the shell 1, the outer circular surface of the second cylinder structure is in sliding fit with the inner circular surface of the shell 1, the inner circular surface of the shell 1 is provided with a second annular groove 14, the second cylinder structure is provided with a second sliding block 15 in sliding fit with the second annular groove 14, and a second rubber ring 16 is sleeved on the second sliding block 15. The first sliding block 12 and the second sliding block 15 move in the first annular groove 11 and the second annular groove 14 respectively and cannot fall off, and the positive end cover 2 and the negative end cover 3 can be effectively connected with the shell 1.
In another embodiment, the positive end cap 2 is provided with a first insulating ring 17 on one side close to the carbon rod 8, and the end of the carbon rod 8 extends into the first insulating ring 17 and is in sliding fit with the first insulating ring 17. The first elastic member 6 is a spring, and two ends of the first elastic member 6 are respectively connected with the first insulating partition plate 4 and the first insulating ring 17. And a second insulating ring 18 is arranged on one side of the negative end cover 3 close to the carbon rod 8, and the end part of the carbon rod 8 extends into the second insulating ring 18 and is in sliding fit with the second insulating ring 18. The second elastic element 7 is a spring, and two ends of the second elastic element 7 are respectively connected with the second insulating partition plate 5 and the second insulating ring 18.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (8)
1. An energy-saving lithium battery is characterized by comprising a shell (1), an anode end cover (2), a cathode end cover (3) and a carbon rod (8); two ends of the shell (1) are open, and a first insulating partition plate (4) and a second insulating partition plate (5) are respectively arranged in the shell (1) at the positions of the open openings at the two ends; the positive end cover (2) is arranged at an open position at one end of the shell (1) in a sliding fit and sealing mode, the positive end cover (2) is close to the first insulating partition plate (4), and a first elastic piece (6) enabling the positive end cover (2) to have a moving trend towards a direction far away from the first insulating partition plate (4) is arranged on the first insulating partition plate (4); the negative end cover (3) is arranged at the open position at the other end of the shell (1) in a sliding fit and sealing manner, the negative end cover (3) is close to the second insulating partition plate (5), and a second elastic piece (7) which enables the negative end cover (3) to have a moving trend towards the direction far away from the second insulating partition plate (5) is arranged on the second insulating partition plate (5); carbon-point (8) set up inside casing (1) and with casing (1) coaxial setting, and carbon-point (8) both ends pass first insulating barrier (4), second insulating barrier (5) respectively and are connected with first insulating barrier (4), second insulating barrier (5), and carbon-point (8) both ends can be connected with anodal end cover (2), negative pole end cover (3) contact respectively.
2. An energy-saving lithium battery as claimed in claim 1, characterized in that the first insulating separator (4) is provided with a plurality of first pressure relief holes, and the first pressure relief holes are provided with elastically deformable first diaphragms (9).
3. The energy-saving lithium battery according to claim 1, wherein the second insulating separator (5) is provided with a plurality of second pressure relief holes, and the second pressure relief holes are provided with elastically deformable second diaphragms (10).
4. An energy-saving lithium battery as claimed in any one of claims 1 to 3, characterized in that the first insulating separator (4) and the second insulating separator (5) are in screw-fit connection with the inner wall of the housing (1).
5. The energy-saving lithium battery according to any one of claims 1-3, wherein the positive end cap (2) is provided with a first cylindrical structure extending into the casing (1), the outer circular surface of the first cylindrical structure is in sliding fit with the inner circular surface of the casing (1), the inner circular surface of the casing (1) is provided with a first annular groove (11), the first cylindrical structure is provided with a first sliding block (12) in sliding fit with the first annular groove (11), and the first sliding block (12) is sleeved with a first rubber ring (13).
6. The energy-saving lithium battery according to any one of claims 1-3, wherein the negative end cap (3) is provided with a second cylindrical structure extending into the casing (1), the outer circular surface of the second cylindrical structure is in sliding fit with the inner circular surface of the casing (1), the inner circular surface of the casing (1) is provided with a second annular groove (14), the second cylindrical structure is provided with a second sliding block (15) in sliding fit with the second annular groove (14), and a second rubber ring (16) is sleeved on the second sliding block (15).
7. An energy-saving lithium battery as claimed in any one of claims 1 to 3, characterized in that the positive end cap (2) is provided with a first insulating ring (17) on the side close to the carbon rod (8), and the end of the carbon rod (8) extends into the first insulating ring (17) and is in sliding fit with the first insulating ring (17); the first elastic piece (6) adopts a spring, and two ends of the first elastic piece (6) are respectively connected with the first insulating partition plate (4) and the first insulating ring (17).
8. An energy-saving lithium battery as claimed in any one of claims 1 to 3, characterized in that the negative end cap (3) is provided with a second insulating ring (18) on the side close to the carbon rod (8), and the end of the carbon rod (8) extends into the second insulating ring (18) and is in sliding fit with the second insulating ring (18); the second elastic piece (7) adopts a spring, and two ends of the second elastic piece (7) are respectively connected with the second insulating partition plate (5) and the second insulating ring (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122630047.4U CN216671785U (en) | 2021-10-29 | 2021-10-29 | Energy-saving lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122630047.4U CN216671785U (en) | 2021-10-29 | 2021-10-29 | Energy-saving lithium battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216671785U true CN216671785U (en) | 2022-06-03 |
Family
ID=81782659
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122630047.4U Active CN216671785U (en) | 2021-10-29 | 2021-10-29 | Energy-saving lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216671785U (en) |
-
2021
- 2021-10-29 CN CN202122630047.4U patent/CN216671785U/en active Active
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| GR01 | Patent grant |