CN208208805U - A kind of battery cover board - Google Patents
A kind of battery cover board Download PDFInfo
- Publication number
- CN208208805U CN208208805U CN201820823102.7U CN201820823102U CN208208805U CN 208208805 U CN208208805 U CN 208208805U CN 201820823102 U CN201820823102 U CN 201820823102U CN 208208805 U CN208208805 U CN 208208805U
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- CN
- China
- Prior art keywords
- cover board
- battery
- positive terminal
- metalwork
- board body
- 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.)
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Sealing Battery Cases Or Jackets (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides a kind of battery cover board, including cover board body, positive terminal, negative terminal, liquid injection hole and explosion-proof valve, positive terminal and negative terminal are movably connected on cover board body, positive terminal includes two matched metal parts and an insulated plastic part, and insulated plastic part, which is located between two metal parts match, is connected as positive terminal.The structure of the utility model can greatly improve the efficiency of the assembly of lithium ion battery, guarantee the leakproofness of lithium ion battery, while guarantee battery air tightness, to guarantee that lithium ion battery is used safely, and greatly prolong the service life of battery.
Description
Technical field
The utility model belongs to technical field of lithium ion, in particular to a kind of battery cover board.
Background technique
With worldwide energy crisis and climate warming, there is an urgent need to a kind of completely new energy for traffic and transport field
Mode, and lithium ion battery is because its is environmentally protective, the characteristics such as high-energy output cause the extensive concern of traffic and transport field, mesh
Before, the extensive research of application start of the relevant industries all to lithium ion battery in this field is with electric car in world wide
Technology maturation and it is improved day by day, the dream of electric car and hybrid vehicle Stepping into daily life has become possibility, and
Huge business opportunity is bred during electric car is universal.And the superiority and inferiority of vehicle-mounted great-capacity power battery performance directly affects
The overall performance of electric car.More stringent requirements are proposed for the vehicle-mounted power battery of electric car for this (for example to have higher
Safety, more excellent performance, weight is lighter).
Currently, the reliability of battery, safety be also technological difficulties in great-capacity power battery manufacturing process and
The high leakproofness of emphasis, especially battery in the production process, present high capacity cell are stringenter to battery air tightness requirement,
If battery capacity is high, inner pressure of battery is relatively high, so that the components of the assembly of battery are easy leakage or gas leakage, can give battery
It causes very big security risk and forms electrolyte volatilization, leads to battery performance life time decay.In addition, when lithium battery makes
With in the process, if battery electrode column and sealing ring tightness are bad, will be sucked in moisture and battery in air in battery
Electro-hydraulic mixing, or cause the electrolyte volatilization of inside battery is dry to form crystallization, so that battery performance and circulation will be will lead to
Life time decay, internal resistance increase, and influence lithium battery various parameters performance, eventually leading to battery can not continue to use, serious also
Cause the safety of battery.
Therefore, the structure of the utility model can greatly improve the efficiency of the assembly of lithium ion battery, guarantee lithium ion battery
Leakproofness, while guaranteeing battery air tightness, to guarantee that lithium ion battery is used safely, and greatly prolong the use longevity of battery
Life.
Summary of the invention
The purpose of the utility model is to provide a kind of air-tightness battery cover board very outstanding.
In order to achieve the above object, the technical solution of the utility model are as follows:
A kind of battery cover board, including cover board body, positive terminal, negative terminal, liquid injection hole and explosion-proof valve, positive terminal and negative terminal
It is movably connected on cover board body, positive terminal includes two matched metal parts and an insulated plastic part, insulated plastic part
Matching is carried out between two metal parts is connected as positive terminal.
Preferably, the structure of the negative terminal is identical as positive terminal.
Preferably, described two matched metal parts are the first metalwork and the second metalwork, and the first metalwork is bottom
Portion extend vertically outward and top to the hollow cylinder of contract, the hollow cylinder among the first metalwork, which is equipped with, to be used for
The fixation hole of fixed insulated plastic part.
Preferably, the fixed lobe to match with the first metalwork, the second metalwork outside are equipped on the inside of insulated plastic part
Equipped with fixed lobe to matched fixed groove.
Preferably, the positive terminal, negative terminal are welded on cover board body.
Preferably, second metalwork one end is equipped with snap-in groove, and cover board body is equipped with and snap-in groove matches
With the integrally formed buckle of cover board body.
The beneficial effect of the utility model is:
It is alternately provided with only liquid injection hole and explosion-proof valve on the cover board body of the utility model, is not provided with pole column hole, is reduced because of pole
The leakproofness of post holes bad the problems such as causing electrolyte to volatilize.And the utility model is improved by the special connecting structure of pole
The safety in utilization of lithium battery.
Detailed description of the invention
Fig. 1 is the structural schematic diagram (welding) of the utility model embodiment 1；
Structural schematic diagram after the assembling that Fig. 2 is Fig. 1；
Fig. 3 is the configuration schematic diagram of positive terminal in embodiment 1,2；
Fig. 4 is the structural schematic diagram (snapping) of embodiment 2
Structural schematic diagram after the assembling that Fig. 5 is Fig. 4；
Fig. 6 is that structural schematic diagram is cutd open in the side of the second metalwork in Fig. 4；
Fig. 7 is the bottom surface structure schematic diagram of the second metalwork in embodiment 3.
In figure: 1, cover board body；2, positive terminal；3, negative terminal；4, liquid injection hole；5, explosion-proof valve；6, the first metalwork；7,
Two metalworks；8, insulated plastic part；9, fixed lobe；10, fixed groove；11, fixation hole；12, snap-in groove；13, it buckles；
14, positive weld part；15, cathode weld part.
Specific embodiment
A kind of embodiment of the utility model is further illustrated with reference to the accompanying drawings.
Embodiment 1,
A kind of battery cover board, including cover board body 1, positive terminal 2, negative terminal 3, liquid injection hole 4 and explosion-proof valve 5, cover board body 1
It is equipped with positive weld part 14 and cathode weld part 15, positive terminal 3 and negative terminal 4 are respectively welded at the anode weldering of cover board body 1
In socket part 14 and cathode weld part 15, positive terminal 3 includes two metal parts being mutually matched and an insulated plastic part, insulation
Plastic parts, which is located between two metal parts match, is connected as positive terminal.Two matched metal parts are the first metalwork
6 and second metalwork 7, the first metalwork 6 be that bottom extends vertically and hollow cylinder of the top to contract outward, the first gold medal
Belong to the hollow cylinder among part 6 equipped with the fixation hole 11 for fixing insulated plastic part.On the inside of insulated plastic part 8 be equipped with and
The fixed lobe 9 that first metalwork matches, is equipped on the outside of the second metalwork 7 and fixed lobe 9 is to matched fixed groove 10.
The structure of negative terminal 4 is identical as positive terminal 3.Positive weld part 14 and cathode weld part 15 are to 1 sunken inside of cover board body.
This embodiment structure is simple, can greatly improve the efficiency of the assembly of lithium ion battery, reduces the production of battery
Cost, and there is preferable explosion-proof performance, it is highly-safe, greatly prolong the service life of battery.
Embodiment 2,
A kind of battery cover board, including cover board body 1, positive terminal 2, negative terminal 3, liquid injection hole 4 and explosion-proof valve 5,3 He of positive terminal
Negative terminal 4 is movably fixed on cover board body 1 by buckle and snap-in groove respectively, and positive terminal 3 includes two and is mutually matched
Metal parts and an insulated plastic part, insulated plastic part, which is located between two metal parts, to carry out matching and is connected as anode
Column.Two matched metal parts are the first metalwork 6 and the second metalwork 7, and the first metalwork 6 is that bottom extends vertically outward
And top is to the hollow cylinder of contract, the hollow cylinder among the first metalwork 6 is equipped with for fixing insulated plastic
The fixation hole 11 of part.The fixed lobe 9 to match with the first metalwork, 7 outside of the second metalwork are equipped on the inside of insulated plastic part 8
Equipped with fixed lobe 9 to matched fixed groove 10.Second metalwork, 7 one end is equipped with snap-in groove 12, sets on cover board body 1
Have match with snap-in groove 12 with cover board body it is integrally formed buckle 13.The structure of negative terminal 4 is identical as positive terminal 3.
This embodiment is easy to operate, improves the efficiency of the assembly of lithium ion battery, reduces the production cost of battery, and have
There is preferable explosion-proof performance, but also can according to need the size of replacement pole, there is very strong practicability.
Embodiment 3,
It is essentially identical with the structure of embodiment 2, the quantity of buckle and snap-in groove is only increased, buckle 13 and buckle are recessed
The quantity of slot 12 is 3.Fixed pole will not be there is a phenomenon where left-right rotation in this way, can be stronger.
The above not imposes any restrictions the technical scope of the utility model, and all foundation the utility model technical spirits are to above
Any modification, equivalent variations and modification made by embodiment, in the range of the technical solution for still falling within the utility model.
Claims (6)
1. a kind of battery cover board, including cover board body, positive terminal, negative terminal, liquid injection hole and explosion-proof valve, it is characterised in that: anode
Column and negative terminal are movably connected on cover board body, and positive terminal includes two matched metal parts and an insulated plastic part,
Insulated plastic part, which is located between two metal parts match, is connected as positive terminal.
2. battery cover board according to claim 1, it is characterised in that: the structure of the negative terminal is identical as positive terminal.
3. battery cover board according to claim 2, it is characterised in that: described two matched metal parts are the first metal
Part and the second metalwork, the first metalwork are that bottom extends vertically and hollow cylinder of the top to contract outward, the first gold medal
Belong to the hollow cylinder among part equipped with the fixation hole for fixing insulated plastic part.
4. battery cover board according to claim 3, it is characterised in that: be equipped with and the first metalwork phase on the inside of insulated plastic part
Matched fixed lobe, is equipped on the outside of the second metalwork and fixed lobe is to matched fixed groove.
5. battery cover board according to claim 3, it is characterised in that: second metalwork one end is equipped with snap-in groove,
Cover board body be equipped with and snap-in groove match with the integrally formed buckle of cover board body.
6. battery cover board according to claim 1, it is characterised in that: the positive terminal, negative terminal are welded on cover board body
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820823102.7U CN208208805U (en) | 2018-05-30 | 2018-05-30 | A kind of battery cover board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820823102.7U CN208208805U (en) | 2018-05-30 | 2018-05-30 | A kind of battery cover board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208208805U true CN208208805U (en) | 2018-12-07 |
Family
ID=64515991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820823102.7U Active CN208208805U (en) | 2018-05-30 | 2018-05-30 | A kind of battery cover board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208208805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711594A (en) * | 2018-05-30 | 2018-10-26 | 东莞市奕东电子有限公司 | A kind of battery cover board |
-
2018
- 2018-05-30 CN CN201820823102.7U patent/CN208208805U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108711594A (en) * | 2018-05-30 | 2018-10-26 | 东莞市奕东电子有限公司 | A kind of battery cover board |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 523000, Dongguan, Guangdong province Dongcheng District sand science and Technology Industrial Park Patentee after: Yidong Electronic Technology Co.,Ltd. Address before: 523000, Dongguan, Guangdong province Dongcheng District sand science and Technology Industrial Park Patentee before: DONGGUAN YIDONG TECHNOLOGY Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |