CN210778691U - Lithium battery cap - Google Patents
Lithium battery cap Download PDFInfo
- Publication number
- CN210778691U CN210778691U CN201921775375.XU CN201921775375U CN210778691U CN 210778691 U CN210778691 U CN 210778691U CN 201921775375 U CN201921775375 U CN 201921775375U CN 210778691 U CN210778691 U CN 210778691U
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- connecting plate
- main part
- cap
- lithium battery
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 55
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 8
- 239000010959 steel Substances 0.000 claims abstract description 8
- 230000001681 protective effect Effects 0.000 claims description 9
- 239000000428 dust Substances 0.000 claims description 6
- 230000006978 adaptation Effects 0.000 claims description 5
- 239000012528 membrane Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000004880 explosion Methods 0.000 claims 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model belongs to the technical field of lithium cell block equipment, especially, be a lithium cell block, including the block main part, the inner wall fixedly connected with insulating rubber circle of block main part, the inside of block main part is through insulating rubber circle first connecting plate of fixedly connected with and second connecting plate respectively, the explosion-proof diaphragm of fixedly connected with between first connecting plate and the second connecting plate, the insulating cushion of upper end fixedly connected with of second connecting plate, the last fixed surface of block main part is connected with the connection piece, fixedly connected with wire between second connecting plate and the connection piece. The utility model discloses a set up bimetallic strip, under the cooperation of steel wire line and utmost point ear, in case take place short circuit scheduling problem, the bimetallic strip can take place to bounce-back to upwards stimulate utmost point ear, break away from the lithium cell at last, make whole lithium cell break off electric connection the very first time when the emergence problem, thereby protected the electrical apparatus of connecting, reduced extra loss.
Description
Technical Field
The utility model relates to a lithium cell block equipment technical field specifically is a lithium cell block.
Background
At present, a lithium battery cap is the most important safety guarantee component of a lithium battery, and the structure and the production process of the cap directly or indirectly influence the performance of the lithium battery and the manufacturing cost of a battery manufacturer; a battery roll core and electrolyte are arranged in the lithium battery shell, the opening end of the lithium battery shell is sealed by a battery cap, and the battery roll core and the electrolyte are positioned in a sealed cavity; with the rapid development of the electronic industry, the requirement on the battery is higher and higher, the traditional method for simply pursuing capacity is changed into the method for pursuing capacity, volume and other aspects, and the lithium battery has extremely high flexibility and the technical advantages, so the development opportunity is met.
However, the existing lithium battery cap has the following problems:
1. when the existing lithium battery cap is used, the safety performance is poor, and when the lithium battery is internally short-circuited or is internally burnt, the power supply can not be cut off at the first time, so that an electric appliance is damaged by a circuit, and great economic loss is caused;
2. the connection between current lithium cell block and the lithium cell is firm inadequately, produces the phenomenon of breaking away from very easily to lead to the damage of inside lithium cell, the radiating effect of current lithium cell block is relatively poor moreover, makes inside burning out under the condition of high temperature very easily, thereby brings influences such as conflagration.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a lithium cell block has solved current lithium cell block when using, the relatively poor and lithium cell block of security and the lithium cell between be connected the problem firm inadequately.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium battery cap, includes the block main part, the inner wall fixedly connected with insulating rubber circle of block main part, the inside of block main part is through insulating rubber circle first connecting plate of fixedly connected with and second connecting plate respectively, fixedly connected with explosion-proof diaphragm between first connecting plate and the second connecting plate, the upper end fixedly connected with insulating cushion of second connecting plate, the last fixed surface of block main part is connected with the connection piece, fixedly connected with wire between second connecting plate and the connection piece, the lower fixed surface of first connecting plate is connected with utmost point ear, the middle-end lower fixed surface of second connecting plate is connected with bimetallic strip, fixedly connected with steel wire line between utmost point ear and the bimetallic strip, the external fixed surface of block main part is connected with the sealing washer, the lower extreme fixedly connected with lug of block main part.
As a preferred technical scheme of the utility model, concave groove has transversely been seted up to the inside of lug, the inside wall fixedly connected with spring post of concave groove, the one end fixedly connected with arc fixture block of spring post, the last fixed surface of block main part is connected with the piece of exhausting.
As an optimized technical scheme of the utility model, the exhaust hole has been seted up on the surface of exhaust piece, the fixed surface of exhaust piece is connected with the dust screen, dust screen and exhaust hole symmetry looks adaptation.
As a preferred technical scheme of the utility model, the lower extreme fixed mounting of block main part has the lithium cell protective housing, fixedly connected with stopper all around on lithium cell protective housing top, stopper and ARC fixture block looks adaptation.
As an optimized technical scheme of the utility model, the bleeder vent has been seted up to the inside of first connecting plate and second connecting plate.
As a preferred technical scheme of the utility model, the bottom fixedly connected with electric joint of connection piece, the one end and the electric joint fixed connection of wire.
(III) advantageous effects
Compared with the prior art, the utility model provides a lithium battery cover cap possesses following beneficial effect:
1. this lithium battery cap through setting up the bimetallic strip, under the cooperation of steel wire line and utmost point ear, in case take place short circuit scheduling problem, the bimetallic strip can take place the bounce-back to upwards stimulate utmost point ear, break away from the lithium cell at last, make whole lithium cell can break off electric connection the very first time when the emergence problem, thereby protected the electrical apparatus of connecting, reduced extra loss.
2. This lithium cell block through setting up the arc fixture block for block main part and lithium cell protective housing are connected and are become more fastened, and exhaust hole and dust screen that the rethread set up make whole block main part have better heat dissipation ventilation function, make the lithium cell can not lead to the condition such as conflagration because the temperature accumulation is too high when using, make the user use more safety and square heart.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a schematic view of a connection structure between the cap main body and the lithium battery according to the present invention;
fig. 4 is an enlarged view of a structure shown in fig. 3 according to the present invention.
In the figure: 1. a cap body; 2. an insulating rubber ring; 3. a first connecting plate; 4. a second connecting plate; 5. an explosion-proof membrane; 6. insulating cushion blocks; 7. a wire; 8. connecting sheets; 9. a tab; 10. a bimetal; 11. a steel wire; 12. a seal ring; 13. a bump; 14. a concave groove; 15. a spring post; 16. an arc-shaped fixture block; 17. an exhaust sheet; 18. an exhaust hole; 19. lithium cell protective housing.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Examples
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a lithium battery cap, including cap main part 1, the inner wall fixedly connected with insulating rubber circle 2 of cap main part 1, cap main part 1's inside is through insulating rubber circle 2 first connecting plate 3 of fixedly connected with and second connecting plate 4 respectively, fixedly connected with explosion-proof diaphragm 5 between first connecting plate 3 and the second connecting plate 4, the upper end fixedly connected with insulating cushion 6 of second connecting plate 4, cap main part 1's last fixed surface is connected with connection piece 8, fixedly connected with wire 7 between second connecting plate 4 and the connection piece 8, first connecting plate 3's lower fixed surface is connected with utmost point ear 9, second connecting plate 4's middle-end lower fixed surface is connected with bimetallic strip 10, fixedly connected with steel wire 11 between utmost point ear 9 and the bimetallic strip 10, cap main part 1's external fixed surface is connected with sealing washer 12, cap main part 1's lower extreme fixedly connected with lug.
In this embodiment, the inside of block main part 1 is provided with first connecting plate 3 respectively, second connecting plate 4, explosion-proof diaphragm 5 and bimetallic strip 10, wherein the lower extreme fixedly connected with utmost point ear 9 of first connecting plate 3, utmost point ear 9 passes through wire 7 and progressively transmits the power to connection piece 8, when wherein taking place the short circuit scheduling problem, because inside temperature is too high in the twinkling of an eye, bimetallic strip 10 this moment can be heated and take place the bounce-back, pull back utmost point ear 9 under the cooperation of steel wire line 11, thereby disconnection electric connection, make connecting electrical apparatus obtain safer protection.
Specifically, a concave groove 14 is transversely formed in the convex block 13, a spring column 15 is fixedly connected to the inner side wall of the concave groove 14, an arc-shaped clamping block 16 is fixedly connected to one end of the spring column 15, and an exhaust sheet 17 is fixedly connected to the upper surface of the cap main body 1.
In this embodiment, cover block main part 1 in the periphery of lithium battery protection shell 19, then press block main part 1 downwards, arc fixture block 16 this moment can receive the stopper extrusion of lithium battery protection shell 19 top both sides, and here, spring post 15 produces right displacement, and after whole embolias, arc fixture block 16 no longer is restricted by the stopper, rebounds out again and tightly blocks with the stopper.
Specifically, the surface of the exhaust sheet 17 is provided with an exhaust hole 18, and the surface of the exhaust sheet 17 is fixedly connected with a dust screen which is symmetrically matched with the exhaust hole 18.
In this embodiment, the upper surface of the cap body 1 is fixedly connected with the exhaust sheet 17, and the surface of the exhaust sheet 17 is provided with the exhaust hole 18, so that the inside can be better ventilated and cooled.
Specifically, the lower extreme fixed mounting of block main part 1 has lithium cell protective housing 19, the fixedly connected with stopper all around on 19 tops of lithium cell protective housing, stopper and 16 looks adaptations of arc fixture block.
In this embodiment, the stopper is cooperating arc fixture block 16, better carries out the fastening connection with block main part 1 and lithium cell protective housing 19.
Specifically, the first connecting plate 3 and the second connecting plate 4 are internally provided with air holes.
In this embodiment, the ventilation holes are formed, so that hot air generated inside the lithium battery protection shell 19 can be better guided out.
Specifically, the bottom end of the connecting sheet 8 is fixedly connected with an electrical connector, and one end of the wire 7 is fixedly connected with the electrical connector.
In this embodiment, the electrical connector can better conduct power to the connecting piece 8.
The utility model discloses a theory of operation and use flow: firstly, the cap main body 1 and the lithium battery protection shell 19 are clamped and fixed through the arc-shaped clamping block 16, and the steps are as follows: the cap main body 1 is sleeved on the periphery of a lithium battery protection shell 19, then the cap main body 1 is pressed downwards, the arc-shaped clamping block 16 at the moment can be extruded by limiting blocks at two sides of the top end of the lithium battery protection shell 19, meanwhile, the spring column 15 generates rightward displacement, after the cap main body is completely sleeved, the arc-shaped clamping block 16 is not restrained by the limiting blocks and rebounds out again to be tightly clamped with the limiting blocks, the first connecting plate 3, the second connecting plate 4, the explosion-proof membrane 5 and the bimetallic strip 10 are respectively arranged in the cap main body 1, the lower end of the first connecting plate 3 is fixedly connected with a tab 9, the tab 9 gradually transmits power to a connecting plate 8 through a wire 7, when short circuit and other problems occur, because the internal temperature is overhigh instantaneously, the bimetallic strip 10 can be heated and rebounded, the tab 9 is pulled back under the cooperation of the steel wire 11, so that the electrical connection is, the connection electric appliance is protected more safely, the upper surface of the cap main body 1 is fixedly connected with the exhaust sheet 17, and the surface of the exhaust sheet 17 is provided with the exhaust hole 18, so that the inside of the cap main body can be better ventilated and radiated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. 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 (6)
1. The utility model provides a lithium battery cap, includes cap main part (1), the inner wall fixedly connected with insulating rubber circle (2) of cap main part (1), its characterized in that: the anti-explosion nut cap is characterized in that the inside of the nut cap main body (1) is respectively and fixedly connected with a first connecting plate (3) and a second connecting plate (4) through an insulating rubber ring (2), an anti-explosion membrane (5) is fixedly connected between the first connecting plate (3) and the second connecting plate (4), an insulating cushion block (6) is fixedly connected to the upper end of the second connecting plate (4), a connecting sheet (8) is fixedly connected to the upper surface of the nut cap main body (1), a lead (7) is fixedly connected between the second connecting plate (4) and the connecting sheet (8), a tab (9) is fixedly connected to the lower surface of the first connecting plate (3), a bimetallic strip (10) is fixedly connected to the lower surface of the middle end of the second connecting plate (4), a steel wire (11) is fixedly connected between the tab (9) and the bimetallic strip (10), and a sealing ring (12) is fixedly, the lower end of the cap body (1) is fixedly connected with a lug (13).
2. A lithium battery cap as claimed in claim 1, characterized in that: concave groove (14) have transversely been seted up to the inside of lug (13), inside wall fixedly connected with spring post (15) of concave groove (14), the one end fixedly connected with arc fixture block (16) of spring post (15), the last fixed surface of block main part (1) is connected with exhaust piece (17).
3. A lithium battery cap as claimed in claim 2, characterized in that: exhaust hole (18) have been seted up on the surface of exhaust piece (17), the fixed surface of exhaust piece (17) is connected with the dust screen, and the dust screen is symmetrical looks adaptation with exhaust hole (18).
4. A lithium battery cap as claimed in claim 1, characterized in that: the lower extreme fixed mounting of block main part (1) has lithium cell protective housing (19), the fixedly connected with stopper all around on lithium cell protective housing (19) top, stopper and arc fixture block (16) looks adaptation.
5. A lithium battery cap as claimed in claim 1, characterized in that: air holes are formed in the first connecting plate (3) and the second connecting plate (4).
6. A lithium battery cap as claimed in claim 1, characterized in that: the bottom end of the connecting sheet (8) is fixedly connected with an electric joint, and one end of the lead (7) is fixedly connected with the electric joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921775375.XU CN210778691U (en) | 2019-10-22 | 2019-10-22 | Lithium battery cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921775375.XU CN210778691U (en) | 2019-10-22 | 2019-10-22 | Lithium battery cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210778691U true CN210778691U (en) | 2020-06-16 |
Family
ID=71048915
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921775375.XU Expired - Fee Related CN210778691U (en) | 2019-10-22 | 2019-10-22 | Lithium battery cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210778691U (en) |
-
2019
- 2019-10-22 CN CN201921775375.XU patent/CN210778691U/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: 20200616 |