CN108448023B - Sealing assembly for high-capacity lithium battery - Google Patents
Sealing assembly for high-capacity lithium battery Download PDFInfo
- Publication number
- CN108448023B CN108448023B CN201810479443.1A CN201810479443A CN108448023B CN 108448023 B CN108448023 B CN 108448023B CN 201810479443 A CN201810479443 A CN 201810479443A CN 108448023 B CN108448023 B CN 108448023B
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- Prior art keywords
- fixedly connected
- sides
- placing groove
- plate
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 63
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 25
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 22
- 239000007788 liquid Substances 0.000 claims description 11
- 239000007787 solid Substances 0.000 claims description 3
- 210000004027 cell Anatomy 0.000 claims 1
- 210000005056 cell body Anatomy 0.000 claims 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 238000004377 microelectronic Methods 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
- 229920000642 polymer Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/256—Carrying devices, e.g. belts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M50/183—Sealing members
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Primary Cells (AREA)
Abstract
The invention discloses a sealing component for a high-capacity lithium battery, which comprises a battery body, wherein two sides of the top surface of the battery body are fixedly connected with conducting rods, a placing groove is formed in the surface of the top of the battery body and between the two conducting rods, reset springs are fixedly connected to the tops and the bottoms of the front side and the rear side of two sides of an inner cavity of the placing groove, and semicircular clamping plates are fixedly connected to the inner sides of the reset springs. According to the lithium battery sealing device, the reset spring, the guide rod, the pull rod, the movable groove, the placing groove, the semicircular clamping plate, the sealing ring plate, the clamping groove, the clamping block and the inlet and outlet are arranged for use in a matched mode, so that the sealing assembly can be conveniently positioned, the stability of the sealing assembly is improved, the problem that the sealing assembly has poor sealing performance due to the fact that the sealing assembly cannot be positioned when the lithium battery is sealed is solved, and the sealing assembly is worthy of popularization.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to a sealing component for a high-capacity lithium battery.
Background
The lithium battery is a primary battery which uses lithium metal or lithium alloy as a negative electrode material and uses nonaqueous electrolyte solution, and is different from a rechargeable battery lithium ion battery and a lithium ion polymer battery, and the lithium battery has long not been applied because the lithium metal has very active chemical characteristics, so that the lithium metal is processed, stored and used, and the environmental requirements are very high; with the development of microelectronic technology, miniaturized devices are increasing, and high requirements are put on power supplies, so that lithium batteries enter a large-scale practical stage.
In the high-capacity lithium battery, the sealing component is widely used, and the conventional sealing component cannot be positioned conveniently when sealing the lithium battery, so that the sealing component is easy to shake, the problem of poor sealing performance of the sealing component is caused, the practicability of the sealing component is greatly reduced, and the sealing of the high-capacity lithium battery is not facilitated.
Disclosure of Invention
The invention aims to provide a sealing component for a high-capacity lithium battery, which has the advantage of convenient positioning and solves the problem that the sealing component has poor sealing property.
In order to achieve the above purpose, the present invention provides the following technical solutions: the sealing component for the high-capacity lithium battery comprises a battery body, wherein conducting rods are fixedly connected to two sides of the top surface of the battery body, a placing groove is formed in the surface of the top of the battery body and between the two conducting rods, and reset springs are fixedly connected to the tops and the bottoms of the front sides and the rear sides of the two sides of an inner cavity of the placing groove;
the inner side of the reset spring is fixedly connected with a semicircular clamping plate, the center of the top surface of the semicircular clamping plate is fixedly connected with a pull rod, the top of the pull rod penetrates through the placing groove and extends to the top of the placing groove, the left surface of the semicircular clamping plate is provided with a movable groove, the centers of the two sides of the inner cavity of the placing groove are fixedly connected with guide rods, the inner side of the guide rods extends to the inner cavity of the movable groove, the top and the bottom of the inner side surface of the semicircular clamping plate are provided with clamping grooves, the center of the bottom of the inner cavity of the placing groove is communicated with a liquid filling port, the center of the top of the inner cavity of the liquid filling port is transversely fixedly connected with a sealing ring plate, the center department of sealing ring board top surface has run through and has been seted up exit, the center department of battery body top surface is provided with circular locating plate, the fixed surface at circular locating plate top is connected with the swivel becket, the center department fixedly connected with plunger of circular locating plate bottom surface, the bottom of plunger runs through standing groove and sealing ring board in proper order from top to bottom and extends to sealing ring board's bottom, the bottom of plunger surface just is located sealing ring board's top cover and is equipped with elastic sealing washer, the equal fixedly connected with of top of plunger both sides two fixture blocks, the outside of fixture block extends to the draw-in groove inner chamber.
Preferably, four corners of the bottom surface of the battery body are fixedly connected with supporting legs, and the bottoms of the surfaces of the supporting legs are sleeved with elastic sleeves.
Preferably, the top of battery body both sides all fixedly connected with solid fixed ring, gu the inner chamber of fixed ring is provided with the pull ring.
Preferably, the inner ring of the semicircular clamping plate is in sliding contact with the surface of the plunger, and the surface of the plunger is in sliding contact with the inner ring of the inlet and the outlet.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the lithium battery sealing device, the reset spring, the guide rod, the pull rod, the movable groove, the placing groove, the semicircular clamping plate, the sealing ring plate, the clamping groove, the clamping block and the inlet and outlet are arranged for use in a matched mode, so that the sealing assembly can be conveniently positioned, the stability of the sealing assembly is improved, the problem that the sealing assembly has poor sealing performance due to the fact that the sealing assembly cannot be positioned when the lithium battery is sealed is solved, and the sealing assembly is worthy of popularization.
2. According to the invention, the liquid filling port can be effectively sealed through the elastic sealing ring, the leakage of liquid is avoided, the circular positioning plate can be effectively rotated through the rotating ring, the matching of the clamping block and the clamping groove is facilitated, the plunger can be effectively positioned through the matching of the semicircular clamping plate and the sealing ring plate, and the stability of the plunger is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a top view of a semi-circular pallet of the present invention;
FIG. 3 is an enlarged view of FIG. 1A in accordance with the present invention;
fig. 4 is a top view of the seal ring plate of the present invention.
In the figure: the battery comprises a battery body 1, a pull ring 2, a fixed ring 3, a conductive rod 4, a return spring 5, a guide rod 6, a pull rod 7, a movable groove 8, a placing groove 9, a supporting leg 10, a semicircular clamping plate 11, a rotating ring 12, a circular positioning plate 13, an elastic sealing ring 14, a plunger 15, a sealing ring plate 16, a clamping groove 17, a clamping block 18, an inlet and an outlet 19, an elastic sleeve 20 and a liquid filling opening 21.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4, a sealing assembly for a high-capacity lithium battery comprises a battery body 1, wherein four corners of the bottom surface of the battery body 1 are fixedly connected with supporting legs 10, the bottoms of the surfaces of the supporting legs 10 are sleeved with elastic sleeves 20, the tops of two sides of the battery body 1 are fixedly connected with fixing rings 3, a pull ring 2 is arranged in an inner cavity of the fixing rings 3, two sides of the top surface of the battery body 1 are fixedly connected with conducting rods 4, a placing groove 9 is formed in the surface of the top of the battery body 1 and between the two conducting rods 4, and reset springs 5 are fixedly connected to the tops and the bottoms of the front sides and the rear sides of the two sides of the inner cavity of the placing groove 9;
the inner side of the reset spring 5 is fixedly connected with a semicircular clamping plate 11, the center of the top surface of the semicircular clamping plate 11 is fixedly connected with a pull rod 7, the top of the pull rod 7 penetrates through a placing groove 9 and extends to the top of the placing groove 9, the surface on the left side of the semicircular clamping plate 11 is provided with a movable groove 8, the centers of the two sides of the inner cavity of the placing groove 9 are fixedly connected with guide rods 6, the inner sides of the guide rods 6 extend to the inner cavity of the movable groove 8, the tops and the bottoms of the inner side surfaces of the semicircular clamping plate 11 are provided with clamping grooves 17, the centers of the bottoms of the inner cavity of the placing groove 9 are communicated with a liquid filling opening 21, the centers of the tops of the inner cavity of the liquid filling opening 21 are transversely fixedly connected with a sealing ring plate 16, the centers of the top surface of the sealing ring plate 16 are penetrated with an inlet and an outlet 19, the centers of the top surface of the battery body 1 is provided with a circular positioning plate 13, the surface of the top of the circular positioning plate 13 is fixedly connected with a rotating ring 12, the plunger 15 is fixedly connected with the center of the bottom surface of the circular positioning plate 13, the bottom of the plunger 15 sequentially penetrates through the placing groove 9 and the sealing ring plate 16 from top to bottom and extends to the bottom of the sealing ring plate 16, the inner ring of the semicircular clamping plate 11 is in sliding contact with the surface of the plunger 15, the surface of the plunger 15 is in sliding contact with the inner ring of the inlet and outlet 19, the plunger 15 can be effectively positioned through the cooperation of the semicircular clamping plate 11 and the sealing ring plate 16, the stability of the plunger 15 is improved, the elastic sealing ring 14 is sleeved at the bottom of the surface of the plunger 15 and positioned at the top of the sealing ring plate 16, the liquid filling opening 21 can be effectively sealed through the elastic sealing ring 14, the leakage of liquid is avoided, two clamping blocks 18 are fixedly connected at the tops of the two sides of the plunger 15, the outer sides of the clamping blocks 18 extend to the inner cavity of the clamping groove 17 through the rotating ring 12, can effectively rotate circular locating plate 13, the cooperation of fixture block 18 and draw-in groove 17 has been made things convenient for, through setting up reset spring 5, guide bar 6, pull rod 7, movable groove 8, standing groove 9, semi-circular cardboard 11, sealed round plate 16, draw-in groove 17, fixture block 18 and exit 19's cooperation is used, can carry out convenient location to seal assembly, the stability of seal assembly has been improved, seal assembly when sealed to the lithium cell has been solved, because of can not obtain the location, cause seal assembly to appear rocking the situation, thereby the problem that seal assembly appears the leakproofness relatively poor has been led to, seal assembly's practicality has been improved greatly, and is worth promoting.
When the sealing assembly is used, the pull rod 7 is pulled, the semicircular clamping plate 11 moves outwards to extrude the reset spring 5 under the action of the pull rod 7, then the circular locating plate 13 is placed at the top of the battery body 1 and pressed, the plunger 15 enters the bottom of the sealing ring plate 16, the pull rod 7 is stopped to be pulled under the action of the reset spring 5, the semicircular clamping plate 11 is reset, the rotating ring 12 is rotated, the clamping block 18 is matched with the clamping groove 17, and the operation is completed.
To sum up: this sealing component for large capacity lithium cell uses through setting up reset spring 5, guide bar 6, pull rod 7, movable groove 8, standing groove 9, semicircular cardboard 11, sealing ring board 16, draw-in groove 17, fixture block 18 and the cooperation of import and export 19, has solved sealing component and has appeared the relatively poor problem of leakproofness.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The utility model provides a high capacity lithium cell is with seal assembly, includes cell body (1), its characterized in that: the two sides of the top surface of the battery body (1) are fixedly connected with conducting rods (4), a placing groove (9) is formed in the surface of the top of the battery body (1) and between the two conducting rods (4), and reset springs (5) are fixedly connected to the tops and bottoms of the front sides and the rear sides of the two sides of the inner cavity of the placing groove (9);
the inner side of the reset spring (5) is fixedly connected with a semicircular clamping plate (11), the center of the top surface of the semicircular clamping plate (11) is fixedly connected with a pull rod (7), the top of the pull rod (7) penetrates through the placing groove (9) and extends to the top of the placing groove (9), the left surface of the semicircular clamping plate (11) is provided with a movable groove (8), the centers of the two sides of the inner cavity of the placing groove (9) are fixedly connected with guide rods (6), the inner side of the guide rods (6) extends to the inner cavity of the movable groove (8), the tops and the bottoms of the inner cavity of the semicircular clamping plate (11) are provided with clamping grooves (17), the center of the bottom of the inner cavity of the placing groove (9) is communicated with a liquid filling port (21), the center of the top of the inner cavity of the liquid filling port (21) is transversely fixedly connected with a sealing ring plate (16), the center of the top surface of the sealing ring plate (16) is provided with an inlet and outlet (19), the center of the top surface of the battery body (1) is provided with a circular locating plate (13), the center of the top surface of the locating plate (13) is fixedly connected with a plunger (15), the bottom of the plunger (15) sequentially penetrates through the placing groove (9) and the sealing ring plate (16) from top to bottom and extends to the bottom of the sealing ring plate (16), an elastic sealing ring (14) is sleeved at the bottom of the surface of the plunger (15) and positioned at the top of the sealing ring plate (16), two clamping blocks (18) are fixedly connected to the tops of two sides of the plunger (15), and the outer sides of the clamping blocks (18) extend to the inner cavity of the clamping groove (17);
supporting legs (10) are fixedly connected to four corners of the bottom surface of the battery body (1), and elastic sleeves (20) are sleeved at the bottoms of the surfaces of the supporting legs (10);
the top of battery body (1) both sides is all fixedly connected with solid fixed ring (3), the inner chamber of solid fixed ring (3) is provided with pull ring (2).
2. The sealing assembly for a high capacity lithium battery according to claim 1, wherein: the inner ring of the semicircular clamping plate (11) is in sliding contact with the surface of the plunger (15), and the surface of the plunger (15) is in sliding contact with the inner ring of the inlet and outlet (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810479443.1A CN108448023B (en) | 2018-05-18 | 2018-05-18 | Sealing assembly for high-capacity lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810479443.1A CN108448023B (en) | 2018-05-18 | 2018-05-18 | Sealing assembly for high-capacity lithium battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108448023A CN108448023A (en) | 2018-08-24 |
| CN108448023B true CN108448023B (en) | 2023-05-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810479443.1A Active CN108448023B (en) | 2018-05-18 | 2018-05-18 | Sealing assembly for high-capacity lithium battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108448023B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9312172U1 (en) * | 1993-08-14 | 1993-10-07 | Varta Batterie Ag, 30419 Hannover | Insert for openings in the cell cover of electrical batteries |
| JP2011086382A (en) * | 2009-10-13 | 2011-04-28 | Toshiba Corp | Sealed battery |
| CN103887454A (en) * | 2012-12-24 | 2014-06-25 | 上海比亚迪有限公司 | Lithium ion battery seal structure and its lithium ion battery |
| CN206003899U (en) * | 2016-05-31 | 2017-03-08 | 余赛君 | The lithium ion battery of sealed taper can conveniently be opened |
| JP2017076475A (en) * | 2015-10-13 | 2017-04-20 | 株式会社豊田自動織機 | Power storage device |
| CN206432341U (en) * | 2017-02-20 | 2017-08-22 | 南通耐维特电源有限公司 | Safety-type lithium battery |
| CN207320226U (en) * | 2017-10-17 | 2018-05-04 | 江西中锂新能源有限责任公司 | The lithium ion battery of fluid injection can be facilitated |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208422987U (en) * | 2018-05-18 | 2019-01-22 | 南通耐维特电源有限公司 | A kind of high-capacity lithium battery seal assembly |
-
2018
- 2018-05-18 CN CN201810479443.1A patent/CN108448023B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE9312172U1 (en) * | 1993-08-14 | 1993-10-07 | Varta Batterie Ag, 30419 Hannover | Insert for openings in the cell cover of electrical batteries |
| JP2011086382A (en) * | 2009-10-13 | 2011-04-28 | Toshiba Corp | Sealed battery |
| CN103887454A (en) * | 2012-12-24 | 2014-06-25 | 上海比亚迪有限公司 | Lithium ion battery seal structure and its lithium ion battery |
| JP2017076475A (en) * | 2015-10-13 | 2017-04-20 | 株式会社豊田自動織機 | Power storage device |
| CN206003899U (en) * | 2016-05-31 | 2017-03-08 | 余赛君 | The lithium ion battery of sealed taper can conveniently be opened |
| CN206432341U (en) * | 2017-02-20 | 2017-08-22 | 南通耐维特电源有限公司 | Safety-type lithium battery |
| CN207320226U (en) * | 2017-10-17 | 2018-05-04 | 江西中锂新能源有限责任公司 | The lithium ion battery of fluid injection can be facilitated |
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| Publication number | Publication date |
|---|---|
| CN108448023A (en) | 2018-08-24 |
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