CN205583029U - Lithium ion battery that improvement utmost point ear is connected - Google Patents
Lithium ion battery that improvement utmost point ear is connected Download PDFInfo
- Publication number
- CN205583029U CN205583029U CN201620378591.0U CN201620378591U CN205583029U CN 205583029 U CN205583029 U CN 205583029U CN 201620378591 U CN201620378591 U CN 201620378591U CN 205583029 U CN205583029 U CN 205583029U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- sheet metal
- lug
- cover plate
- lithium ion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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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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- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a lithium ion battery that improvement utmost point ear is connected, an electrolysis chamber has in the battery case, the apron is fixed on the battery case, the screw rod passes the apron, the electrolysis intracavity just is equipped with, negative electrode, just, negative electrode all has utmost point ear, the apron downside is equipped with a seal box, the seal box forms one with the apron and holds the chamber, hold the intracavity and place the protection circuit board, be equipped with a through -hole on the seal box side ancient piece of jade, round, flat and with a hole in its centre, be provided with the second seal cover in the through -hole, the sheetmetal is connected to the protection circuit board, connection sheetmetal one end is passed the second seal cover and is connected to one of them screw rod, the tip of connecting sheetmetal and utmost point ear connecting screw rod all has an annular flexible sheet metal of circle, and flexible sheet metal stretches out a plurality of spines form contact claw from the ring inward flange to the flexible sheet metal center, and the screw rod passes flexible sheet metal is contacted the claw and is blocked. The utility model discloses reduce middle adapting unit, shortened utmost point ear connecting length to the inside energy losses of lithium ion battery has been reduced.
Description
Technical field
This utility model relates to a kind of lithium ion battery, particularly relates to a kind of lithium ion battery improveing lug connection.
Background technology
201420014124.0 utility model patents disclose a kind of lithium ion battery changing electrode tab connection structure, and it includes that battery case, cover plate, two electrodes draw assembly, electrode assemblie, and described battery case has an electrolyte chamber, is provided with a baffle plate in described electrolyte chamber;Described cover plate is fixed on described battery case;The electrode of at least one is drawn assembly and is included nut, screw rod, protection circuit plate, and described nut connects the upper end of described screw rod, and described screw rod inserts described cover plate, and described screw rod passes described protection circuit plate, and the lower end of this screw rod is provided with a big end;Described electrode assemblie is made up of anode electrode, negative electrode and demarcation strip; described demarcation strip is between described anode electrode and negative electrode; described anode electrode and/or negative electrode extend lug; described lug is enclosed within described screw rod, and this lug is between described protection circuit plate and described big end.In this lithium ion battery, barrier partitions electrolyte chamber i.e. reduces the space of electrolyte chamber, and lug is bigger, so that protection circuit plate exists failure risk by sealing difficulty during baffle plate.
Utility model content
This utility model solves the technical problem that and is, proposes a kind of lithium ion battery of lug connection of improveing to solve the problems referred to above for the problem mentioned in above-mentioned background technology.
This utility model the technical scheme is that for solving above-mentioned technical problem
nullA kind of lithium ion battery improveing lug connection,Including battery case、Cover plate、Screw rod、Nut、Protection circuit plate,Wherein,There is in described battery case an electrolyte chamber,Described cover plate is fixed on described battery case,Described screw rod is provided with two and both passes through described cover plate and be fixed on described cover plate by the described nut being positioned at described cover plate upper end,At least one anode electrode and at least one negative electrode it is provided with in described electrolyte chamber,The demarcation strip that insulant is made it is provided with between described anode electrode and negative electrode,Described anode electrode、Negative electrode is respectively provided with lug,The lug of described anode electrode and the lug of described negative electrode are all each attached to the screw rod of correspondence,Cover plate downside is provided with a seal box,Described seal box and described cover plate form a receiving chamber,Described receiving intracavity places described protection circuit plate,A described seal box side ancient piece of jade, round, flat and with a hole in its centre is provided with a through hole,The second sealing shroud it is provided with in described through hole,Described protection circuit plate connects sheet metal,Described connection sheet metal one end is connected to one of them described screw rod through described second sealing shroud;Described connection sheet metal and described lug connect the end of screw rod and are respectively provided with circular elastic sheet metal, described elastic sheet metal stretches out multiple spininess engaging nail from annulus inward flange to described elastic sheet metal center, and described screw rod is blocked through described elastic sheet metal by described engaging nail.
In the lithium ion battery that described improvement lug connects, between described lug and described internal surface of battery shell, it is provided with the insulating trip that insulant is made.
In the lithium ion battery that described improvement lug connects, between described screw rod and described cover plate, it is provided with the first sealing shroud.
The lithium ion battery that improvement lug of the present utility model connects provides the benefit that: protection circuit plate individually seals the risk reducing inefficacy;Lug directly blocks screw rod by elastic sheet metal and realizes connecting, and decreases intermediate connecting part, shortens lug connecting length, thus decrease inside lithium ion cell electric energy loss.
Accompanying drawing explanation
Fig. 1 is the lithium ion battery partial structurtes schematic diagram that improvement lug connects;
Fig. 2 is the structural representation of elastic sheet metal.
Fig. 1, description of reference numerals in 2: battery case 1;Cover plate 2;Electrolyte chamber 3;Screw rod 4;Nut 5;First sealing shroud 6;Seal box 7;Accommodate chamber 8;Protection circuit plate 9;Through hole 10;Second sealing shroud 11;Elastic sheet metal 12;Lug 13;Connect sheet metal 14;Demarcation strip 15;Negative electrode 16;Anode electrode 17;Insulating trip 18;Engaging nail 19.
Detailed description of the invention
With embodiment, this utility model is described in further detail below in conjunction with the accompanying drawings:
The lithium ion battery that improvement lug 13 connects as shown in Figure 1, 2; including battery case 1, cover plate 2, screw rod 4, nut 5, protection circuit plate 9; wherein; there is in described battery case 1 electrolyte chamber 3; described cover plate 2 is fixed on described battery case 1; cover plate 2 is provided with two screwed holes; described screw rod 4 is provided with two and both passes through screwed hole corresponding on described cover plate 2; and be fixed on described cover plate 2 by the described nut 5 being positioned at described cover plate 2 upper end, it is provided with the first sealing shroud 6 between the screwed hole on described screw rod 4 and cover plate 2 to increase sealing effectiveness.At least one anode electrode 17 and at least one negative electrode 16 it is provided with in described electrolyte chamber 3, the demarcation strip 15 that insulant is made it is provided with between described anode electrode 17 and negative electrode 16, described anode electrode 17, negative electrode 16 are respectively provided with lug 13, the lug 13 of described anode electrode 17 and the lug 13 of described negative electrode 16 are all each attached to the screw rod 4 of correspondence, are provided with insulating trip 18 that insulant makes to prevent anode electrode 17, negative electrode 16 from contacting battery case 1 between described lug 13 with described battery case 1 inwall.Cover plate 2 downside is provided with a seal box 7; described seal box 7 forms a receiving chamber 8 with described cover plate 2; described protection circuit plate 9 is placed in described receiving chamber 8; a described seal box 7 side ancient piece of jade, round, flat and with a hole in its centre is provided with a through hole 10; the second sealing shroud 11 it is provided with in described through hole 10; described protection circuit plate 9 connects sheet metal 14, and described connection sheet metal 14 one end is connected to one of them described screw rod 4 through described second sealing shroud 11;Described connection sheet metal 14 and described lug 13 connect the end of screw rod 4 and are respectively provided with circular elastic sheet metal 12, described elastic sheet metal 12 stretches out multiple spininess engaging nail 19 from annulus inward flange to described elastic sheet metal 12 center, and described screw rod 4 is blocked through described elastic sheet metal 12 by described engaging nail 19.So elastic sheet metal 12 directly blocks screw rod 4, makes lug 13 be connected directly to screw rod 4, decreases intermediate connecting part, shortens lug 13 connecting length, thus decreases inside lithium ion cell electric energy loss.
The above is only embodiment of the present utility model and the introduction of technological means used, it is not the restriction to utility model, within disclosure herein and illustrating that any change made, equivalence replacement, improvement etc. are accordingly to be regarded as being included in technology category of the present utility model.
Claims (3)
- null1. improve the lithium ion battery that lug connects for one kind,It is characterized in that,Including battery case、Cover plate、Screw rod、Nut、Protection circuit plate,Wherein,There is in described battery case an electrolyte chamber,Described cover plate is fixed on described battery case,Described screw rod is provided with two and both passes through described cover plate and be fixed on described cover plate by the described nut being positioned at described cover plate upper end,At least one anode electrode and at least one negative electrode it is provided with in described electrolyte chamber,The demarcation strip that insulant is made it is provided with between described anode electrode and negative electrode,Described anode electrode、Negative electrode is respectively provided with lug,The lug of described anode electrode and the lug of described negative electrode are all each attached to the screw rod of correspondence,Cover plate downside is provided with a seal box,Described seal box and described cover plate form a receiving chamber,Described receiving intracavity places described protection circuit plate,A described seal box side ancient piece of jade, round, flat and with a hole in its centre is provided with a through hole,The second sealing shroud it is provided with in described through hole,Described protection circuit plate connects sheet metal,Described connection sheet metal one end is connected to one of them described screw rod through described second sealing shroud;Described connection sheet metal and described lug connect the end of screw rod and are respectively provided with circular elastic sheet metal, described elastic sheet metal stretches out multiple spininess engaging nail from annulus inward flange to described elastic sheet metal center, and described screw rod is blocked through described elastic sheet metal by described engaging nail.
- The lithium ion battery that improvement lug the most according to claim 1 connects, it is characterised in that be provided with the insulating trip that insulant is made between described lug and described internal surface of battery shell.
- The lithium ion battery that improvement lug the most according to claim 1 connects, it is characterised in that be provided with the first sealing shroud between described screw rod and described cover plate.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620378591.0U CN205583029U (en) | 2016-04-30 | 2016-04-30 | Lithium ion battery that improvement utmost point ear is connected |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620378591.0U CN205583029U (en) | 2016-04-30 | 2016-04-30 | Lithium ion battery that improvement utmost point ear is connected |
Publications (1)
Publication Number | Publication Date |
---|---|
CN205583029U true CN205583029U (en) | 2016-09-14 |
Family
ID=56858686
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201620378591.0U Expired - Fee Related CN205583029U (en) | 2016-04-30 | 2016-04-30 | Lithium ion battery that improvement utmost point ear is connected |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN205583029U (en) |
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2016
- 2016-04-30 CN CN201620378591.0U patent/CN205583029U/en not_active Expired - Fee Related
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160914 Termination date: 20170430 |