CN206685436U - A kind of end cap device for column type lithium cell - Google Patents
A kind of end cap device for column type lithium cell Download PDFInfo
- Publication number
- CN206685436U CN206685436U CN201720446185.8U CN201720446185U CN206685436U CN 206685436 U CN206685436 U CN 206685436U CN 201720446185 U CN201720446185 U CN 201720446185U CN 206685436 U CN206685436 U CN 206685436U
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- China
- Prior art keywords
- groove
- cover plate
- outside
- screw
- neck
- 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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- 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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- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a kind of end cap device for column type lithium cell, the first cover plate and the second cover plate including mutual cooperation, the first screw and the first liquid injection hole are respectively equipped with the first cover plate, the first groove is provided with the outside of the first screw, the first neck is provided with the outside of the first cover plate, the second screw and the second liquid injection hole are respectively equipped with the second cover plate, the second groove is provided with the outside of the second screw, the second neck is provided with the outside of the second cover plate；Fitted seal connects the first end cover in the first groove, and fitted seal connects the second end cover in the second groove.The advantages of the utility model：The present apparatus bears that cell internal pressure is big, and glass insulator weight is big, and resistance to soldering heat performance improves, and after fusion welding, is not likely to produce crackle, solves the problems, such as battery leakage rate, improves lithium battery qualification rate, can allow product structure to small miniaturization, lighting development；The pressure-resistant and resistant to leakage performance of product is improved.
Description
Technical field
It the utility model is related to cell art, more particularly to a kind of end cap device for column type lithium cell.
Background technology
Column type lithium cell is the novel power supply product to grow up in recent years, and with its high-energy-density, open-circuit voltage is high, makes
With strength range is wide, stable operating voltage, service life is long, self-discharge rate is low, storage life is long, the fine quality such as nuisanceless,
It is widely used in the fields such as smart card meter, computer Power Support, medical device, wireless telecommunications, scientific research apparatus.
In the structure of lithium battery, lid group is its critical component, at present both at home and abroad in the lid group of manufacturer production
Sintered glass sealing shroud is right cylinder type, and it has the disadvantage that：The cylinder and bottom plate sealing-in area of glass capsulation set are small, bear battery
Internal pressure is small；Glass insulator amount is small, proper alignment heat differential, easily causes glass crack, causes leakage to fail.
Utility model content
The purpose of this utility model is to solve shortcoming present in prior art, and the one kind proposed is used for pillar lithium
The end cap device of battery.
To achieve these goals, the utility model employs following technical scheme：
A kind of end cap device for column type lithium cell, it is characterised in that：The first cover plate and second including mutual cooperation
Cover plate, the first screw and the first liquid injection hole are respectively equipped with the first cover plate, the first groove is provided with the outside of the first screw,
The outside of first groove is provided with first annular groove, is provided with the first neck in the outside of the first cover plate, is respectively equipped with the second cover plate
Second screw and the second liquid injection hole, the second groove is provided with the outside of the second screw, and the second ring is provided with the outside of the second groove
Shape groove, the second neck is provided with the outside of the second cover plate；
After first cover plate and the second cover plate corresponding matching, first screw and the second screw corresponding matching, the first fluid injection
Hole and the second liquid injection hole corresponding matching, the first neck and the second neck corresponding matching, in the first screw and the second screw interior sealing
Glass capsulation set is connected, in the first neck and the outside clamping engagement hermetic collar of the second neck；
Fitted seal connects the first end cover in the first groove, is provided with and the first ring in the outside of the first end cover
The corresponding first annular riser being engaged by clamping of shape groove, fitted seal connects the second end cover in the second groove, close second
The outside of end-blocking lid is provided with the second annular riser of clamping engagement corresponding with the second annular groove.
Preferably, first liquid injection hole is arranged between first groove and first neck.
Preferably, second liquid injection hole is arranged between second groove and second neck.
Preferably, after first cover plate and the second cover plate corresponding matching, first groove and described second
Groove is symmetrical arranged.
Preferably, the lateral surface of first end cover is concordant with the lateral surface of first cover plate.
Preferably, the lateral surface of second end cover is concordant with the lateral surface of second cover plate.
The utility model has the advantage of：The present apparatus bears that cell internal pressure is big, and glass insulator weight is big, proper alignment
Hot property improves, and after fusion welding, is not likely to produce crackle, solves the problems, such as battery leakage rate, improves lithium battery qualification rate, can
Product structure is allowed to develop to small miniaturization, lighting；The pressure-resistant and resistant to leakage performance of product is improved.
Brief description of the drawings
Fig. 1 is a kind of structural representation of end cap device for column type lithium cell provided by the utility model.
Embodiment
In order that the purpose of this utility model, technical scheme and advantage are more clearly understood, below in conjunction with accompanying drawing and implementation
Example, the utility model is further elaborated.It should be appreciated that specific embodiment described herein is only explaining
The utility model, it is not used to limit the utility model.
As shown in figure 1, a kind of end cap device for column type lithium cell provided by the utility model, including mutual cooperation
First cover plate 1 and the second cover plate 2, are respectively equipped with the first screw 1.1 and the first liquid injection hole 5, in the first screw on the first cover plate 1
1.1 outside is provided with the first groove 1.3, and first annular groove 1.4 is provided with the outside of the first groove 1.3, in the outer of the first cover plate 1
Side is provided with the first neck 1.2, and the first liquid injection hole 5 is arranged between first groove 1.3 and first neck 1.2.
Two cover plates 2 are respectively equipped with the second screw 2.1 and the second liquid injection hole 6, and the second groove 2.3 is provided with the outside of the second screw 2.1,
The outside of second groove 2.3 is provided with the second annular groove 2.4, and the second neck 2.2, the second fluid injection are provided with the outside of the second cover plate 2
Hole 6 is arranged between second groove 2.3 and second neck 2.2.
After first cover plate 1 and the corresponding matching of the second cover plate 2, the corresponding matching of 1.1 and second screw of the first screw 2.1,
First liquid injection hole 5 and the corresponding matching of the second liquid injection hole 6, the first neck 1.2 and the corresponding matching of the second neck 2.2, in the first screw
1.1 connect glass capsulation set 3 with the interior sealing of the second screw 2.1, and glass capsulation set 3 is formed and the first screw by high temperature sintering
1.1 and the second adaptable screwed glass capsulation set 3 of screw 2.1.In the outer of the first neck 1.2 and the second neck 2.2
Side clamping engagement hermetic collar 7, first groove 1.3 and second groove 2.3 are symmetrical arranged.
In the first groove 1.3 fitted seal connect the first end cover 8, the outside of the first end cover 8 be provided with
The corresponding first annular riser 8.1 being engaged by clamping of first annular groove 1.4, the lateral surface of first end cover 8 and described the
The lateral surface of one cover plate 1 is concordant.Fitted seal connects the second end cover 9 in the second groove 2.3, in the second end cover 9
Outside be provided with the second annular riser 9.1 with the 2.4 corresponding clamping engagement of the second annular groove, second end cover 9 outside
Side is concordant with the lateral surface of second cover plate 2.
Claims (6)
- A kind of 1. end cap device for column type lithium cell, it is characterised in that：The first cover plate including mutual cooperation（1）With second Cover plate（2）, in the first cover plate（1）On be respectively equipped with the first screw（1.1）With the first liquid injection hole（5）, in the first screw（1.1）'s Outside is provided with the first groove（1.3）, in the first groove（1.3）Outside be provided with first annular groove（1.4）, in the first cover plate（1） Outside be provided with the first neck（1.2）, in the second cover plate（2）It is respectively equipped with the second screw（2.1）With the second liquid injection hole（6）, Second screw（2.1）Outside be provided with the second groove（2.3）, in the second groove（2.3）Outside be provided with the second annular groove （2.4）, in the second cover plate（2）Outside be provided with the second neck（2.2）；First cover plate（1）With the second cover plate（2）After corresponding matching, first screw（1.1）With the second screw（2.1）It is corresponding to match somebody with somebody Close, the first liquid injection hole（5）With the second liquid injection hole（6）Corresponding matching, the first neck（1.2）With the second neck（2.2）Corresponding matching, In the first screw（1.1）With the second screw（2.1）Interior sealing connects glass capsulation set（3）, in the first neck（1.2）With the second card Groove（2.2）Outside clamping engagement hermetic collar（7）；In the first groove（1.3）Interior fitted seal connects the first end cover（8）, in the first end cover（8）Outside be provided with With first annular groove（1.4）The corresponding first annular riser being engaged by clamping（8.1）, in the second groove（2.3）Interior fitted seal connects Connect the second end cover（9）, in the second end cover（9）Outside be provided with and the second annular groove（2.4）Corresponding clamping engagement Second annular riser（9.1）.
- A kind of 2. end cap device for column type lithium cell according to claim 1, it is characterised in that：First fluid injection Hole（5）It is arranged on first groove（1.3）With first neck（1.2）Between.
- A kind of 3. end cap device for column type lithium cell according to claim 1, it is characterised in that：Second fluid injection Hole（6）It is arranged on second groove（2.3）With second neck（2.2）Between.
- A kind of 4. end cap device for column type lithium cell according to claim 1, it is characterised in that：In the described first lid Plate（1）With second cover plate（2）After corresponding matching, first groove（1.3）With second groove（2.3）Symmetrically set Put.
- A kind of 5. end cap device for column type lithium cell according to claim 1, it is characterised in that：First sealing End cap（8）Lateral surface and first cover plate（1）Lateral surface it is concordant.
- A kind of 6. end cap device for column type lithium cell according to claim 1, it is characterised in that：Second sealing End cap（9）Lateral surface and second cover plate（2）Lateral surface it is concordant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446185.8U CN206685436U (en) | 2017-04-26 | 2017-04-26 | A kind of end cap device for column type lithium cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720446185.8U CN206685436U (en) | 2017-04-26 | 2017-04-26 | A kind of end cap device for column type lithium cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206685436U true CN206685436U (en) | 2017-11-28 |
Family
ID=60400737
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720446185.8U Expired - Fee Related CN206685436U (en) | 2017-04-26 | 2017-04-26 | A kind of end cap device for column type lithium cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206685436U (en) |
-
2017
- 2017-04-26 CN CN201720446185.8U patent/CN206685436U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A end cover device for column type lithium cell Effective date of registration: 20191231 Granted publication date: 20171128 Pledgee: Merchants Bank Bengbu branch of Limited by Share Ltd. Pledgor: BENGBU FUYUAN ELECTRONIC TECHNOLOGY Co.,Ltd. Registration number: Y2019980001424 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171128 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |