CN116053673A - Waterproof sealing structure for packaging lithium ion battery - Google Patents
Waterproof sealing structure for packaging lithium ion battery Download PDFInfo
- Publication number
- CN116053673A CN116053673A CN202310344148.6A CN202310344148A CN116053673A CN 116053673 A CN116053673 A CN 116053673A CN 202310344148 A CN202310344148 A CN 202310344148A CN 116053673 A CN116053673 A CN 116053673A
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- Prior art keywords
- fixed
- cover
- sealing
- shell
- fixing
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- 238000007789 sealing Methods 0.000 title claims abstract description 112
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 title claims abstract description 29
- 229910001416 lithium ion Inorganic materials 0.000 title claims abstract description 29
- 238000004806 packaging method and process Methods 0.000 title claims abstract description 18
- 230000006835 compression Effects 0.000 claims description 9
- 238000007906 compression Methods 0.000 claims description 9
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 abstract description 6
- 230000001976 improved effect Effects 0.000 abstract description 6
- 239000003960 organic solvent Substances 0.000 abstract description 5
- 230000008595 infiltration Effects 0.000 abstract description 3
- 238000001764 infiltration Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 239000003792 electrolyte Substances 0.000 description 3
- 229910002804 graphite Inorganic materials 0.000 description 3
- 239000010439 graphite Substances 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 239000010405 anode material Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- RUOJZAUFBMNUDX-UHFFFAOYSA-N propylene carbonate Chemical compound CC1COC(=O)O1 RUOJZAUFBMNUDX-UHFFFAOYSA-N 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
Images
Classifications
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- 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
- H01M50/186—Sealing members characterised by the disposition of the sealing members
-
- 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
- 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
- H01M50/103—Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
-
- 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
- H01M50/14—Primary casings; Jackets or wrappings for protecting against damage caused by external factors
- H01M50/141—Primary casings; Jackets or wrappings for protecting against damage caused by external factors for protecting against humidity
-
- 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
- H01M50/148—Lids or covers characterised by their shape
- H01M50/15—Lids or covers characterised by their shape for prismatic or rectangular cells
-
- 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
-
- 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
- H01M50/184—Sealing members characterised by their shape or structure
-
- 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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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The application discloses a waterproof sealing structure for packaging a lithium ion battery, which comprises a sealing shell and a shell cover, wherein the top end of the sealing shell is provided with the shell cover; an inner sealing plate is fixed at the bottom end of the shell cover, and an inner sleeve plate is sleeved on the inner sealing plate. Through interior shrouding and outer shrouding cooperation, inside the interior shrouding inserts interior sleeve plate, outside shrouding inserts the inside cross seal structure of cap, avoid sealed shell and cap to connect and appear the gap after slightly not hard up, avoid inside object to leak, also avoid infiltration such as outside moisture, guaranteed sealed shell and cap's waterproof sealing effect, and consolidate through spacing bounding wall, the firm of connection between sealed shell and the cap has been improved, make the connection between sealed shell and the cap more firm, and protect the lithium ion battery outside through the sponge inside lining, further avoid organic solvent to take place to reveal, also avoid outside infiltration to influence inside battery, waterproof seal structure's protection effect has been improved.
Description
Technical Field
The application relates to a waterproof sealing structure, in particular to a waterproof sealing structure for packaging a lithium ion battery.
Background
The lithium ion battery is a secondary battery (rechargeable battery) which mainly depends on lithium ions to move between an anode and a cathode to work, and refers to a general name of a battery taking a lithium ion intercalation compound as an anode material, and the rechargeable lithium ion battery is the most widely applied battery in modern digital products such as mobile phones, notebook computers and the like, and has high energy density and high average output voltage.
The lithium ion battery consists of three parts: the positive electrode, the negative electrode and the electrolyte are adopted as the electrolyte of the lithium ion battery, organic solvents such as diethyl ether, ethylene carbonate, propylene carbonate, diethyl carbonate and the like are adopted as the electrolyte, the organic solvents often destroy the structure of graphite during charging, lead to stripping of the graphite, form a solid electrolyte film on the surface of the graphite to lead to passivation of electrodes, and the organic solvents also bring about the safety problems of inflammability, explosiveness and the like, so that the sealing performance of the shell of the battery is critical during assembly, the traditional sealing shell only achieves the sealing effect in a fixed mode after the shell and the shell cover are closed, and the sealing mode is mostly fixed by bolts, but the battery is easy to be connected and loosened due to moving jolt and the like during use, gaps are easy to appear between the shell and the shell cover after looseness, and the sealing structure is poor in the sealing performance of the battery. Accordingly, a waterproof sealing structure for packaging a lithium ion battery has been proposed in view of the above problems.
Disclosure of Invention
The waterproof sealing structure for packaging the lithium ion battery is used for solving the problems that in the prior art, the waterproof sealing structure for packaging the lithium ion battery is poor in sealing performance and poor in stability after sealing.
According to one aspect of the application, there is provided a waterproof sealing structure for packaging a lithium ion battery, comprising a sealing shell and a shell cover, wherein the top end of the sealing shell is provided with the shell cover; the sealing device is characterized in that an inner sealing plate is fixed at the bottom end of the shell cover, an inner sleeve plate is sleeved on the inner sealing plate, the inner sleeve plate is fixed on the inner side wall at the top end of the sealing shell, a sealing rubber pad is fixed on one side of the sealing shell, which is close to the shell cover, sealing slots matched with the inner sealing plate and the outer sealing plate are respectively formed in the top end of the sealing shell and the bottom end of the shell cover, limiting connecting plates are respectively fixed on the outer edges of the opposite sides of the sealing shell and the shell cover, two limiting connecting plates are symmetrically sleeved on the outer sides of the limiting connecting plates, a fixing plugboard is fixed at the side ends of the limiting connecting plates, the fixing plugboard is inserted inside another limiting connecting plate, the two fixing plugboards are fixed with the other limiting connecting plate through fixing bolts, a reinforcing structure is arranged inside the limiting connecting plate, and a fixing protection structure is arranged inside the sealing shell.
Further, the reinforcing structure comprises fixing through holes, fixing screws and fixing screw covers, a plurality of fixing through holes are formed in the side edges of the two limiting coamings at equal intervals, the fixing screws are symmetrically inserted into the fixing through holes, one ends, extending to the inside of the limiting coamings, of the fixing screws are respectively fixed on the two limiting connecting plates, and the fixing screw covers are sleeved on one ends, extending to the outer sides of the limiting coamings, of the fixing screws.
Further, fixed protective structure is including fixed inner panel, fixed lid, fixed planking and sponge inside lining, the inside fixed inner panel that is fixed with of seal shell, and fixed inner panel top cover is equipped with fixed lid, fixed inner panel top outside is fixed with fixed planking, and fixed planking outside all is fixed on the interior sleeve plate inside wall, fixed lid side all passes through bolt and fixed planking fixed connection, the inside sponge inside lining that is fixed with of seal shell of fixed inner panel outside interior sleeve plate bottom.
Further, a plurality of compression bars are fixed at the top end of the inner part of the shell cover at equal intervals, and the height of each compression bar is equal to the height between the top end of the inner part of the shell cover and the top end of the fixed cover.
Further, an inner rubber cushion is fixed on the inner side of the top end of the inner side of the shell cover of the inner sleeve plate in an adhesive manner, the corner of the inner rubber cushion far away from the end of the shell cover is arc-shaped, and a groove matched with the compression bar is formed in the inner rubber cushion.
Further, the inner sleeve plate is arranged to be rectangular matched with the inside of the sealing shell, the two sealing slots are all arranged to be rectangular matched with the inner sealing plate and the outer sealing plate, and a sealing rubber pad is fixed on one side, away from the shell cover, of the inner sealing plate in an adhesive manner.
Furthermore, the side ends of the other limiting coaming are provided with slots matched with the fixing plugboard, and the fixing plugboard and the other limiting coaming are internally provided with thread grooves matched with the fixing bolts.
Further, the two limiting coamings are all arranged in a U shape which is transversely placed, and limiting clamping grooves matched with the two limiting connecting plates are formed in the inner sides of the two limiting coamings.
Further, each fixing screw is arranged in a semi-cylindrical shape, threads matched with the fixing screw covers are arranged on the outer surface of each fixing screw, and each fixing screw is equal to the sum of the lengths of the fixing through holes and the fixing screw covers.
Further, the fixed planking sets up to with fixed inner panel complex rectangle, fixed lid and fixed planking are inside all to be offered the screw hole of bolt cooperation, fixed lid top symmetry is provided with the arm-tie.
Through this application above-mentioned embodiment, combined type seal structure has been adopted, through interior shrouding and outer shrouding cooperation, the leakproofness when guaranteeing to be connected between seal shell and the cap, the gap appears after avoiding seal shell and cap to connect not hard up, it consolidates to cooperate spacing even board and spacing bounding wall again, the firmness of seal shell and cap connection has been guaranteed, the problem that the leakproofness that is used for encapsulating the waterproof seal structure of lithium ion battery now is relatively poor and stability after sealed has been solved, in the time of guaranteeing waterproof seal, the firmness after waterproof seal structure is fixed has also been guaranteed.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of an embodiment of the present application;
FIG. 2 is a schematic top perspective view of a sealed housing cover according to one embodiment of the present disclosure;
FIG. 3 is a schematic bottom perspective view of a sealing cover according to an embodiment of the present disclosure;
FIG. 4 is a schematic perspective view of a limiting shroud according to an embodiment of the present disclosure;
FIG. 5 is a schematic cross-sectional elevation view of a structure of an embodiment of the present application;
fig. 6 is a schematic elevation, cross-sectional view of a partial structure of an embodiment of the present application.
In the figure: 1. a sealed housing; 2. a cover; 3. an inner sealing plate; 4. an inner jacket plate; 5. sealing the slot; 6. sealing rubber cushion; 7. an outer sealing plate; 8. a limiting connecting plate; 9. limiting coaming; 10. fixing the plugboard; 11. a fixing bolt; 12. a limit clamping groove; 13. a fixing through hole; 14. a fixed screw; 15. fixing a screw cover; 16. an inner rubber pad; 17. fixing an inner plate; 18. a fixed cover; 19. fixing the outer plate; 20. a compression bar; 21. a sponge lining.
Detailed Description
In order to make the present application solution better understood by those skilled in the art, the following description will be made in detail and with reference to the accompanying drawings in the embodiments of the present application, it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, shall fall within the scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate in order to describe the embodiments of the present application described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
In the present application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate an azimuth or a positional relationship based on that shown in the drawings. These terms are used primarily to better describe the present application and its embodiments and are not intended to limit the indicated device, element or component to a particular orientation or to be constructed and operated in a particular orientation.
Also, some of the terms described above may be used to indicate other meanings in addition to orientation or positional relationships, for example, the term "upper" may also be used to indicate some sort of attachment or connection in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.
Furthermore, the terms "mounted," "configured," "provided," "connected," "coupled," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements, or components. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art as the case may be.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1-6, a waterproof sealing structure for packaging a lithium ion battery comprises a sealing shell 1 and a shell cover 2, wherein the top end of the sealing shell 1 is provided with the shell cover 2; the bottom end of the shell cover 2 is fixed with an inner sealing plate 3, the inner sealing plate 3 is sleeved with an inner sleeve plate 4, the inner sleeve plate 4 is arranged in a rectangle matched with the inside of the sealed shell 1, the inner sleeve plate 4 is prevented from influencing the battery placement, two sealing slots 5 are arranged in a rectangle matched with the inner sealing plate 3 and the outer sealing plate 7, the inner sealing plate 3 or the outer sealing plate 7 is convenient to insert, one side of the inner sealing plate 3 far away from the shell cover 2 is glued and fixed with a sealing rubber cushion 6, after the inner sealing plate 3 is inserted into the inner sleeve plate 4, the sealing rubber cushion 6 can be extruded, so that the tightness of the inside of the sealed shell 1 and the inside of the shell cover 2 is ensured, the inner sleeve plate 4 is fixed on the inner side wall at the top end of the sealed shell 1, the inner side of the inside of the shell cover 2 at the inner side of the inner sleeve plate 4 is glued and fixed with an inner rubber cushion 16, the inside of the sealed shell 1 can be plugged, and the corner of the inner rubber cushion 16 far away from the end of the shell cover 2 is arranged in an arc shape, the inner rubber cushion 16 is convenient to insert into the sealed shell 1, the inside of the inner rubber cushion 16 is provided with a groove matched with the compression bar 20, the compression bar 20 conveniently penetrates through the inner rubber cushion 16 to be fixed with the shell cover 2, one side of the sealing shell 1 close to the shell cover 2 is fixedly provided with the sealing rubber cushion 6, the top end of the sealing shell 1 and the bottom end of the shell cover 2 are respectively provided with a sealing slot 5 matched with the inner sealing plate 3 and the outer sealing plate 7, the outer edges of the opposite sides of the sealing shell 1 and the shell cover 2 are respectively fixedly provided with a limiting connecting plate 8, the outer sides of the two limiting connecting plates 8 are symmetrically sleeved with limiting coamings 9, the two limiting coamings 9 are all arranged in a U shape which is transversely placed, the inner sides of the two limiting coamings 9 are respectively provided with a limiting clamping groove 12 matched with the two limiting connecting plates 8, the convenient limiting coamings 9 are sleeved on the limiting connecting plates 8, the side end of one limiting coamings 9 is fixedly provided with a fixed plugboard 10, the side end of the other limiting coamings 9 is respectively provided with a slot matched with the fixed plugboard 10, screw grooves matched with fixing bolts 11 are formed in the fixing plugboard 10 and the other limiting coaming 9, so that the fixing plugboard 10 is conveniently inserted into the other limiting coaming 9, and the fixing plugboard 10 and the limiting coaming 9 are conveniently fixed through the bolts, so that the two limiting coamings 9 are fixed on the limiting connecting plate 8, the fixing plugboard 10 is inserted into the other limiting coaming 9, the two fixing plugboards 10 are both fixed with the other limiting coamings 9 through the fixing bolts 11, a reinforcing structure is arranged in the limiting coamings 9, and a fixed protection structure is arranged in the sealing shell 1;
the reinforcing structure comprises fixing through holes 13, fixing screws 14 and fixing screw covers 15, a plurality of fixing through holes 13 are formed in the side edges of the two limiting enclosing plates 9 at equal intervals, the fixing screws 14 are symmetrically inserted into the fixing through holes 13, each fixing screw 14 is in a semi-cylindrical shape, threads matched with the fixing screw covers 15 are formed on the outer surface of each fixing screw 14, when the two limiting enclosing plates 8 are aligned, the fixing screws 14 on the two limiting enclosing plates 8 can form cylindrical threaded rods, the fixing screws 14 are convenient to fix with the fixing screw covers 15, each fixing screw 14 is equal to the sum of the lengths of the fixing through holes 13 and the fixing screw covers 15, when the fixing screw covers 15 are screwed on the fixing screws 14, the fixing screws can be abutted to the limiting enclosing plates 9, so that connection between the limiting enclosing plates 9 and the limiting enclosing plates 8 are reinforced, one ends of the fixing screws 14 extending to the inner parts of the limiting enclosing plates 9 are respectively fixed on the two limiting enclosing plates 8, and the fixing screw covers 15 are sleeved on one ends of each group of the two fixing screws 14 extending to the outer sides of the limiting enclosing plates 9;
fixed protective structure includes fixed inner panel 17, fixed lid 18, fixed planking 19 and sponge inside lining 21, fixed inner panel 17 is fixed with in the inside fixed inner panel 17 of sealed shell 1, and fixed inner panel 17 top cover is equipped with fixed lid 18, the inside top equidistance of cap 2 is fixed with a plurality of depression bars 20, the height of every depression bar 20 all equals the inside top of cap 2 to the height between the fixed lid 18 top, make cap 2 cover close on sealed shell 1, depression bar 20 can the butt on fixed lid 18, thereby consolidate the connection between fixed lid 18 and the fixed inner panel 17, fixed inner panel 17 top outside is fixed with fixed planking 19, fixed planking 19 sets up to with fixed inner panel 17 complex rectangle, make things convenient for fixed planking 19 cover to establish in fixed inner panel 17 outside, fixed lid 18 and fixed planking 19 are inside all offered the screw hole of bolt cooperation, it is fixed with fixed planking 19 to conveniently pass through the bolt, guarantee that the battery can be placed at fixed inner panel 17 inside stability, fixed lid 18 top symmetry is provided with the arm-tie, make fixed lid 18 pulling more convenient when the split, and fixed planking 19 outside all is fixed on inner panel 4 inside wall, all fix planking 4 inside lining board inside lining 21, the inside lining 21 has also fixed inside lining 21 through fixed inside lining 21, the inside lining 21 is sealed with the inside lining 21, the inside lining is sealed with the inside lining 21 has further improved effect.
This application is when using, when needs use waterproof seal structure, put into the battery earlier inside fixed inner panel 17, then put fixed cover 18 lid on fixed inner panel 17, and fix fixed cover 18 and fixed planking 19 between through the bolt, then close the cap 2 lid on sealed shell 1, simultaneously insert sealed slot 5 inside sealed shell 1 top with interior shrouding 3, the sealed slot 5 inside of cap 2 bottom is inserted to outer shrouding 7, and make interior shrouding 3 drive sealed cushion 6 butt on sealed slot 5, fix cap 2 on sealed shell 1 through the bolt, fixing screw 14 on two limit planking 8 at this moment aligns the laminating, then put limit bounding wall 9 symmetry cover on limit planking 8, and insert the slot inside with fixed picture peg 10, rethread fixing bolt 11 is fixed two limit bounding wall 9 on limit planking 8, simultaneously with limit bounding wall 9 cover on fixing screw 14, when the split sealed shell 1 and 2, screw 15 moves fixed to extend to the fixed screw 14 of limit bounding wall 9 outer end, first, screw 15 moves fixed cover 15 and then makes and moves the cap 2 and remove the internal connection board 1 from the cap 1, remove the internal connection board 1 from the internal connection board of cap 1, remove the internal connection board of limit bounding wall 9, remove the cap 1 from the internal connection board of moving, remove the cap 1 from the internal connection board of limit bounding wall 1, the cap is removed from the internal connection board is moved, the cap 1 is moved and the cap is removed from the internal connection board is moved, the cap 1 is removed.
The beneficial point of the application lies in:
1. the sealing device is simple in operation, the inner sealing plate 3 is inserted into the inner sleeve plate 4 through the matching of the inner sealing plate 3 and the outer sealing plate 7, the outer sealing plate 7 is inserted into the cross type sealing structure in the shell cover 2, gaps are avoided after the sealing shell 1 and the shell cover 2 are slightly loosened, internal objects are prevented from leaking, external moisture and the like are also prevented from penetrating, the waterproof sealing effect of the sealing shell 1 and the shell cover 2 is guaranteed, and the sealing shell is reinforced through the limiting coaming 9, so that the firmness of connection between the sealing shell 1 and the shell cover 2 is improved;
2. the sealing device is reasonable in structure, the sealing shell 1 and the shell cover 2 can be reinforced by matching the fixing through hole 13, the fixing screw 14 and the fixing screw cover 15, so that the sealing shell 1 and the shell cover 2 are connected more firmly, gaps are prevented from being formed at the joint of the sealing shell 1 and the shell cover 2 after the sealing shell 1 and the shell cover 2 are connected loose, and the firmness and the sealing effect after sealing are improved;
3. this application is rational in infrastructure, fixes the lithium ion battery of putting into inside the seal shell 1 through fixed inner panel 17 and fixed lid 18 for can fix after the battery is put into inside the seal shell 1, and protect the lithium ion battery outside through the sponge inside lining 21, further avoid organic solvent to take place to reveal, also avoid outside infiltration to influence inside battery, improved waterproof seal structure's protection effect.
The related circuits, electronic components and modules are all in the prior art, and can be completely implemented by those skilled in the art, and needless to say, the protection of the present application does not relate to improvements of software and methods.
The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
Claims (10)
1. A waterproof seal structure for encapsulating lithium ion battery, its characterized in that: the novel anti-theft device comprises a sealing shell (1) and a shell cover (2), wherein the top end of the sealing shell (1) is provided with the shell cover (2); the utility model discloses a sealing cover, including casing cover (2), sealing cover (3) cover is equipped with interior sleeve board (4), interior sleeve board (4) are fixed on sealing cover (1) top inside wall, sealing cover (1) is close to one side of casing cover (2) and is fixed with sealed cushion (6), sealing cover (3) and outer shrouding (7) complex sealed slot (5) have been seted up respectively to sealing cover (1) top and casing cover (2) bottom, sealing cover (1) and casing cover (2) opposite side are all fixed with spacing link plate (8), two symmetrical cover is equipped with spacing bounding wall (9) on spacing link plate (8) outside, one side spacing bounding wall (9) side is fixed with fixed picture peg (10), and fixed picture peg (10) are inserted and are established inside another spacing bounding wall (9), two fixed picture peg (10) are all fixed through fixing bolt (11) and another spacing bounding wall (9), spacing bounding wall (9) inside is provided with reinforced structure, sealing cover (1) inside is provided with fixed protection structure.
2. The waterproof sealing structure for packaging a lithium ion battery according to claim 1, wherein: the reinforcing structure comprises fixing through holes (13), fixing screws (14) and fixing screw covers (15), wherein a plurality of fixing through holes (13) are formed in the side edges of the limiting coamings (9) at equal intervals, the fixing screws (14) are symmetrically inserted into the fixing through holes (13), one ends, extending to the limiting coamings (9), of the fixing screws (14) are respectively fixed on the two limiting connecting plates (8), and the fixing screw covers (15) are sleeved on one ends, extending to the outer sides of the limiting coamings (9), of each group of two fixing screws (14).
3. The waterproof sealing structure for packaging a lithium ion battery according to claim 1, wherein: the utility model discloses a fixed protection structure, including fixed inner panel (17), fixed lid (18), fixed planking (19) and sponge inside lining (21), sealed shell (1) inside is fixed with fixed inner panel (17), and fixed inner panel (17) top cover is equipped with fixed lid (18), fixed inner panel (17) top outside is fixed with fixed planking (19), and fixed planking (19) outside all is fixed on interior sleeve plate (4) inside wall, fixed lid (18) side all is through bolt and fixed planking (19) fixed connection, sealed shell (1) inside of fixed inner panel (17) outside interior sleeve plate (4) bottom is fixed with sponge inside lining (21).
4. The waterproof sealing structure for packaging a lithium ion battery according to claim 1, wherein: a plurality of compression bars (20) are fixed at the top end of the inner part of the shell cover (2) at equal intervals, and the height of each compression bar (20) is equal to the height from the top end of the inner part of the shell cover (2) to the top end of the fixed cover (18).
5. The waterproof sealing structure for packaging a lithium ion battery according to claim 2, wherein: an inner rubber pad (16) is glued and fixed on the inner side of the top end of the inner side of the shell cover (2) of the inner sleeve plate (4), the corners of the inner rubber pad (16) far away from the end of the shell cover (2) are arc-shaped, and grooves matched with the compression bars (20) are formed in the inner rubber pad (16).
6. The waterproof sealing structure for packaging a lithium ion battery according to claim 1, wherein: the inner sleeve plate (4) is arranged to be rectangular matched with the inside of the sealing shell (1), the two sealing slots (5) are arranged to be rectangular matched with the inner sealing plate (3) and the outer sealing plate (7), and a sealing rubber pad (6) is glued and fixed on one side, far away from the shell cover (2), of the inner sealing plate (3).
7. The waterproof sealing structure for packaging a lithium ion battery according to claim 1, wherein: the side ends of the other limiting coaming (9) are provided with slots matched with the fixing plugboards (10), and the fixing plugboards (10) and the other limiting coaming (9) are internally provided with thread grooves matched with the fixing bolts (11).
8. The waterproof sealing structure for packaging a lithium ion battery according to claim 1, wherein: the two limiting coamings (9) are all arranged in a U shape which is transversely placed, and limiting clamping grooves (12) matched with the two limiting connecting plates (8) are formed in the inner sides of the two limiting coamings (9).
9. The waterproof sealing structure for packaging a lithium ion battery according to claim 2, wherein: each fixing screw rod (14) is arranged in a semi-cylindrical shape, threads matched with the fixing screw covers (15) are arranged on the outer surface of each fixing screw rod (14), and each fixing screw rod (14) is equal to the sum of the lengths of the fixing through holes (13) and the fixing screw covers (15).
10. The waterproof sealing structure for packaging a lithium ion battery according to claim 3, wherein: the fixed outer plate (19) is rectangular and matched with the fixed inner plate (17), screw holes matched with bolts are formed in the fixed cover (18) and the fixed outer plate (19), and pull plates are symmetrically arranged at the top end of the fixed cover (18).
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| CN202310344148.6A CN116053673B (en) | 2023-04-03 | 2023-04-03 | Waterproof sealing structure for packaging lithium ion battery |
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| CN202310344148.6A CN116053673B (en) | 2023-04-03 | 2023-04-03 | Waterproof sealing structure for packaging lithium ion battery |
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| CN116053673B CN116053673B (en) | 2023-06-20 |
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| CN116053673B (en) | 2023-06-20 |
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