CN206524378U - A kind of liquid injection port high-seal lithium titanate battery - Google Patents
A kind of liquid injection port high-seal lithium titanate battery Download PDFInfo
- Publication number
- CN206524378U CN206524378U CN201720158956.3U CN201720158956U CN206524378U CN 206524378 U CN206524378 U CN 206524378U CN 201720158956 U CN201720158956 U CN 201720158956U CN 206524378 U CN206524378 U CN 206524378U
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- China
- Prior art keywords
- liquid injection
- groove
- cylinder plug
- cylindrical hole
- hole
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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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model discloses a kind of liquid injection port high-seal lithium titanate battery, including housing, cap, positive terminal, negative terminal, positive plate, negative plate, barrier film, electrolyte；There is the first groove and liquid injection hole, liquid injection hole connects the bottom of the first groove and the lower surface of cap, and liquid injection hole includes having piston part in the first cylindrical hole and the second cylindrical hole, liquid injection hole, and piston part includes the first cylinder plug and the second cylinder plug on cap；Sealing plate is bonded with first groove, first bottom portion of groove has tapered protrusion, sealing plate lower surface has the second groove and the conical socket engaged with tapered protrusion, there is sealing gasket in second groove, sealing gasket is used to close the first cylindrical hole, it is connected below sealing gasket with one end of compression spring, the other end connection pressure head of compression spring, pressure head abuts the piston part.Lithium titanate battery liquid injection port good sealing effect of the present utility model.
Description
Technical field
The utility model is related to field of batteries, and in particular to a kind of liquid injection port high-seal lithium titanate battery.
Background technology
Lithium titanate is as a kind of lithium ion battery negative material, due to being zero strain material, with cycle performance it is good, make
The features such as using long lifespan, therefore it has good application prospect in lithium ion battery.Carbonic acid lithium battery is using preceding needing
, it is necessary to close liquid injection hole after fluid injection is operated, and fluid injection is finished, if liquid injection port sealing effect is bad, unfavorable shadow can be brought
Ring.
Utility model content
Utility model purpose：The utility model is intended to overcome the defect of prior art, and there is provided a kind of liquid injection port high-seal
Lithium titanate battery.
Technical scheme：A kind of battery, including housing, cap, positive terminal, negative terminal, positive plate, negative plate, barrier film, electrolysis
Liquid；There is the first groove and liquid injection hole, the liquid injection hole connects the bottom of the first groove and the lower surface of cap on the cap,
The liquid injection hole includes the first cylindrical hole and the second cylindrical hole below the first cylindrical hole, first cylinder
The radius in hole, which is more than in the second cylindrical hole, the liquid injection hole, has piston part, and the piston part includes being located in the first cylindrical hole
The first cylinder plug and the second cylinder plug below the first cylinder plug；Sealing is bonded with first groove
Plate, first bottom portion of groove has a tapered protrusion, the sealing plate lower surface have the second groove and with the tapered protrusion
There is sealing gasket, the sealing gasket is used to close first cylindrical hole, institute in the conical socket of engagement, second groove
State and be connected below sealing gasket with one end of compression spring, the other end connection pressure head of the compression spring, the pressure head abuts institute
State piston part.
Further, the quantity of the conical socket and tapered protrusion is equal, and is all higher than 10.
Further, the tapered protrusion and conical socket are cone, and taper is 1:5.
Further, the sealing plate is rectangle.
Further, the second cylinder plug is located in second cylindrical hole, the first cylinder plug and the second circle
Cylinder plug is integrally formed.
Further, the axle of first cylindrical hole, the second cylindrical hole, the first cylinder plug and the second cylinder plug
Line is conllinear, and height of the height more than the first cylinder plug of the second cylinder plug.
Further, the sealing gasket abuts the bottom of first groove, and above the first cylindrical hole, is used for
Close first cylindrical hole.
Beneficial effect：The liquid injection port of battery of the present utility model, dual-seal, sealing effect are realized by piston part and sealing plate
It is really good.
Brief description of the drawings
Fig. 1 is battery schematic diagram；
Fig. 2 is sealing plate and cap partial schematic diagram；
Fig. 3 is cap partial schematic diagram.
Embodiment
Reference：1 housing；2 caps；11 positive terminals；12 negative terminals；2.1 first cylindrical holes；2.2 second cylinders
Hole；2.3 first grooves；2.4 tapered protrusion；3 sealing plates；3.1 conical socket；4 sealing gaskets；5.1 first cylinder plugs；5.2 the
Two cylinder plugs；6 compression springs；7 pressure heads.
A kind of battery, including housing 1, cap 2, positive terminal 11, negative terminal 12, positive plate, negative plate, barrier film, electrolyte；
There is the first groove 2.3 and liquid injection hole, the liquid injection hole connects the bottom of the first groove and the following table of cap 2 on the cap
Face, the liquid injection hole includes the first cylindrical hole 2.1 and the second cylindrical hole 2.2 positioned at the lower section of the first cylindrical hole 2.1, institute
The radius for stating the first cylindrical hole 2.1 is more than with piston part in the second cylindrical hole 2.2, the liquid injection hole, and the piston part includes
The first cylinder plug 5.1 in the first cylindrical hole and the second cylinder plug 5.2 below the first cylinder plug；Institute
State and sealing plate 3 is bonded with the first groove, the bottom of the first groove 2.3 has tapered protrusion, the sealing plate following table mask
Having has sealing gasket 4, the sealing gasket in the second groove and the conical socket engaged with the tapered protrusion, second groove
It is connected for closing below first cylindrical hole 5.1, the sealing gasket with one end of compression spring, the compression spring 6
Other end connection pressure head 7, the pressure head abuts the piston part.The quantity phase of the conical socket 3.1 and tapered protrusion 2.4
Deng, and it is all higher than 10.The tapered protrusion and conical socket are cone, and taper is 1:5.The sealing plate is rectangle.
The second cylinder plug is located in second cylindrical hole, and the first cylinder plug and the second cylinder plug are integrally formed.Institute
The axis for stating the first cylindrical hole, the second cylindrical hole, the first cylinder plug and the second cylinder plug is conllinear, and the second cylinder
The height of body plug is more than the height of the first cylinder plug.
Liquid injection hole is closed in piston part of the present utility model, and sealing plate bonds closing liquid injection hole by adhesive glue, and bores
Shape is raised and conical socket adds cohesive force, and compression spring provides extruding force to piston part, adds sealing effectiveness.
Although the utility model is illustrated and described with regard to preferred embodiment, those skilled in the art should manage
Solution, without departing from claim limited range of the present utility model, can to the utility model carry out various change and
Modification.
Claims (6)
1. a kind of liquid injection port high-seal lithium titanate battery, it is characterised in that including housing, cap, positive terminal, negative terminal, just
Pole plate, negative plate, barrier film, electrolyte；There is the first groove and liquid injection hole, the liquid injection hole connects the first groove on the cap
Bottom and cap lower surface, the liquid injection hole include the first cylindrical hole and below the first cylindrical hole second circle
Cylindrical hole, the radius of first cylindrical hole, which is more than in the radius of the second cylindrical hole, the liquid injection hole, has piston part, described
Piston part includes the first cylinder plug and the second cylinder plug below the first cylinder plug being located in the first cylindrical hole；
Sealing plate is bonded with first groove, first bottom portion of groove has tapered protrusion, and the sealing plate lower surface has
There is sealing gasket, the sealing gasket is used in second groove and the conical socket engaged with the tapered protrusion, second groove
Be connected in closing below first cylindrical hole, the sealing gasket with one end of compression spring, the compression spring it is another
End connection pressure head, the pressure head abuts the piston part.
2. liquid injection port high-seal lithium titanate battery according to claim 1, it is characterised in that the conical socket and cone
The raised quantity of shape is equal, and is all higher than 10.
3. liquid injection port high-seal lithium titanate battery according to claim 1, it is characterised in that the tapered protrusion and cone
Connected in star is cone, and taper is 1:5.
4. liquid injection port high-seal lithium titanate battery according to claim 1, it is characterised in that the sealing plate is square
Shape.
5. liquid injection port high-seal lithium titanate battery according to claim 1, it is characterised in that the second cylinder plug
In second cylindrical hole, the first cylinder plug and the second cylinder plug are integrally formed.
6. liquid injection port high-seal lithium titanate battery according to claim 1, it is characterised in that first cylinder
Hole, the second cylindrical hole, the first cylinder plug and the second cylinder plug axis it is conllinear, and the height of the second cylinder plug is big
In the height of the first cylinder plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158956.3U CN206524378U (en) | 2017-02-21 | 2017-02-21 | A kind of liquid injection port high-seal lithium titanate battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720158956.3U CN206524378U (en) | 2017-02-21 | 2017-02-21 | A kind of liquid injection port high-seal lithium titanate battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206524378U true CN206524378U (en) | 2017-09-26 |
Family
ID=59892043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720158956.3U Active CN206524378U (en) | 2017-02-21 | 2017-02-21 | A kind of liquid injection port high-seal lithium titanate battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206524378U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115566378A (en) * | 2022-10-10 | 2023-01-03 | 厦门海辰储能科技股份有限公司 | Battery end cover, battery pack and electric equipment |
-
2017
- 2017-02-21 CN CN201720158956.3U patent/CN206524378U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115566378A (en) * | 2022-10-10 | 2023-01-03 | 厦门海辰储能科技股份有限公司 | Battery end cover, battery pack and electric equipment |
| CN115566378B (en) * | 2022-10-10 | 2024-01-23 | 厦门海辰储能科技股份有限公司 | Battery end cover, battery pack and electric equipment |
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