CN208062113U - A kind of lithium battery cap being not easily disconnected from - Google Patents
A kind of lithium battery cap being not easily disconnected from Download PDFInfo
- Publication number
- CN208062113U CN208062113U CN201820103417.4U CN201820103417U CN208062113U CN 208062113 U CN208062113 U CN 208062113U CN 201820103417 U CN201820103417 U CN 201820103417U CN 208062113 U CN208062113 U CN 208062113U
- Authority
- CN
- China
- Prior art keywords
- connection sheet
- lithium battery
- head cover
- lug
- main 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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model discloses a kind of lithium battery caps being not easily disconnected from, including block main body, it is provided with connection sheet in the block main body, the bottom end of the connection sheet is provided with the lug, the surrounding of the connection sheet is provided with connection lug, it is provided with burst disk at the top of the connection sheet, laser solder joint is provided between the connection sheet and burst disk, it is provided with cushion chamber at the top of the burst disk, PTC rings are provided at the top of the cushion chamber, it is provided with head cover at the top of the PTC rings, the pad is provided on the head cover, the steel cap is provided at the top of the head cover, it is provided with the gas vent on the steel cap, the both sides of the block main body are both provided with the sealing ring.Keep block firm, durable, is not easily disconnected from lithium battery.
Description
Technical field
The utility model is related to a kind of lithium batteries, more particularly relate to a kind of lithium battery cap being not easily disconnected from.
Background technology
Lithium battery cap is the component of lithium battery, it plays positive conductive terminal on lithium battery, plays safety-valve
Effect, also provide Cell closure function.Lithium battery cap includes head cover, cushion rubber, explosion-proof diaphragm, aluminium flake/nickel sheet and orifice plate.Top
Lid is mounted on the top of cushion rubber.Orifice plate is mounted on the bottom end of cushion rubber.Aluminium flake/nickel sheet be mounted on cushion rubber middle part, be located at head cover and
Between orifice plate.The aluminium flake/explosion-proof diaphragm is equipped between nickel sheet and orifice plate.Orifice plate bottom surface is equipped with pad recess.Installation
When, explosion-proof diaphragm and orifice plate are welded together by laser spot welding in the pad recess of orifice plate, such pad recess meeting
Leave laser solder joint.Laser solder joint is combined closer with pad recess.Lithium battery cap in the prior art and lithium battery are same
Sample is connected using welding manner, is be easy to cause lithium battery cap and is detached from use, lithium battery is caused to scrap.Now provide one
Kind can solve the problems, such as a kind of this lithium battery cap being not easily disconnected from.
Utility model content
The technical problems to be solved in the utility model is that lithium battery cap in the prior art is same as lithium battery using weldering
The mode of connecing connects, and be easy to cause the problem of lithium battery cap is detached from, lithium battery is caused to scrap in use, provides one kind not
The lithium battery cap being easily detached from.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution：
A kind of lithium battery cap being not easily disconnected from, including block main body are provided with connection sheet in the block main body, described
The bottom end of connection sheet is provided with the lug, and the surrounding of the connection sheet is provided with connection lug, is set at the top of the connection sheet
It is equipped with burst disk, laser solder joint is provided between the connection sheet and burst disk, is provided with cushion chamber at the top of the burst disk, institute
It states and is provided with PTC rings at the top of cushion chamber, head cover is provided at the top of the PTC rings, the welding is provided on the head cover
Point is provided with the steel cap at the top of the head cover, the gas vent, the both sides of the block main body is provided on the steel cap
It is both provided with the sealing ring.
As a kind of optimal technical scheme of the utility model, screw thread is provided on the connection lug.
As a kind of optimal technical scheme of the utility model, the connection sheet is adopted with the lug, the pad
Use ultrasonic bonding.
As a kind of optimal technical scheme of the utility model, battery Special seal is coated on the inside or outside of the sealing ring
Glue.
As a kind of optimal technical scheme of the utility model, the pad is arranged in the sealing ring and the head cover
Junction.
The advantageous effect that the utility model is reached is：The device is a kind of lithium battery cap being not easily disconnected from, in the dress
It sets and is provided with screwed connection lug, corresponding connection screw thread is set on lithium battery ontology, block is made to pass through screw thread
It connect with lithium battery ontology, and is further reinforced by the pad on head cover.Keep block firm, durable, is not easily disconnected from
Lithium battery.The utility model is simple in structure, reasonable design, easy to spread.
Description of the drawings
Attached drawing is used to provide a further understanding of the present invention, and a part for constitution instruction, with this practicality
Novel embodiment for explaining the utility model, does not constitute limitations of the present invention together.In the accompanying drawings：
Fig. 1 is the overall structure diagram of the utility model embodiment；
Fig. 2 is the partial structural diagram of the utility model embodiment；
Fig. 3 is the using state structure diagram of the utility model embodiment.
In figure：1, block main body；2, connection sheet；3, lug；4, laser solder joint；5, lug is connected；6, sealing ring；7, it welds
Point；8, burst disk；9, cushion chamber；10, PTC rings；11, head cover；12, steel cap；13, gas vent；14, lithium battery ontology.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figs. 1-3, a kind of lithium battery cap being not easily disconnected from this programme, including block main body 1, the block
Connection sheet 2 is provided in main body 1, the bottom end of the connection sheet 2 is provided with the lug 3, and the surrounding of the connection sheet 2 is provided with
Lug 5 is connected, the top of the connection sheet 2 is provided with burst disk 8, Laser Welding is provided between the connection sheet 2 and burst disk 8
Point 4,8 top of the burst disk are provided with cushion chamber 9, and the top of the cushion chamber 9 is provided with PTC rings 10, the PTC rings 10
Top is provided with head cover 11, and the pad 7 is provided on the head cover 11, and the top of the head cover 11 is provided with the steel
Cap 12 is provided with the gas vent 13 on the steel cap 12, and the both sides of the block main body 1 are both provided with the sealing ring 6.
It is provided with screw thread on the connection lug 5.
The connection sheet 2 is all made of ultrasonic bonding with lug 3, pad 7.6 inner or outer side of the sealing ring is coated with
Battery special seal gum.
The pad 7 is arranged in sealing ring 6 and 11 junction of head cover.
When specific work, it is provided with screw thread on lithium battery cap cap main body 1, is arranged in the cavity of lithium battery ontology 14
There is same screw thread, be threadedly coupled with block, and by way of ultrasonic bonding, by block main body 1 in lithium battery ontology 14
It is welded by pad 7, is reinforced by screw thread, the connection type of tradition only welding can be effectively improved, cause lithium
The problem of battery cap is easily separated from.
The advantageous effect that the utility model is reached is：The device is a kind of lithium battery cap being not easily disconnected from, in the dress
It sets and is provided with screwed connection lug, corresponding connection screw thread is set on lithium battery ontology, block is made to pass through screw thread
It connect with lithium battery ontology, and is further reinforced by the pad on head cover.Keep block firm, durable, is not easily disconnected from
Lithium battery.The utility model is simple in structure, reasonable design, easy to spread.
Finally it should be noted that：The above descriptions are merely preferred embodiments of the present invention, is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it still can be with technical scheme described in the above embodiments is modified, or to which part technical characteristic
Carry out equivalent replacement.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (1)
1. a kind of lithium battery cap being not easily disconnected from, including block main body, which is characterized in that the company of being provided in the block main body
Contact pin, the bottom of the connection sheet are provided with lug, and the surrounding of the connection sheet is provided with connection lug, on the connection lug
It is provided with screw thread, burst disk is provided at the top of the connection sheet, laser solder joint is provided between the connection sheet and burst disk,
The connection sheet is all made of ultrasonic bonding with the lug, the solder joint, and cushion chamber is provided at the top of the burst disk, described
It is provided with PTC rings at the top of cushion chamber, head cover is provided at the top of the PTC rings, the solder joint, institute are provided on the head cover
It states and is provided with steel cap at the top of head cover, the solder joint setting is provided on sealing ring and the head cover junction, the steel cap
The both sides of gas vent, the block main body are both provided with the sealing ring, and it is special to be coated with battery on the inside or outside of the sealing ring
Fluid sealant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820103417.4U CN208062113U (en) | 2018-01-22 | 2018-01-22 | A kind of lithium battery cap being not easily disconnected from |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820103417.4U CN208062113U (en) | 2018-01-22 | 2018-01-22 | A kind of lithium battery cap being not easily disconnected from |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208062113U true CN208062113U (en) | 2018-11-06 |
Family
ID=63996253
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820103417.4U Active CN208062113U (en) | 2018-01-22 | 2018-01-22 | A kind of lithium battery cap being not easily disconnected from |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208062113U (en) |
-
2018
- 2018-01-22 CN CN201820103417.4U patent/CN208062113U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder |
Address after: 523000 Room 601, building 4, no.6, South Zhongnan Road, Shangsha, Chang'an Town, Dongguan City, Guangdong Province Patentee after: DONGGUAN ANGYUE ELECTRONIC Co.,Ltd. Address before: 523000 4th floor, building 4, No. 6, South Zhongnan Road, Shangsha community, Chang'an Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN ANGYUE ELECTRONIC Co.,Ltd. |
|
| CP02 | Change in the address of a patent holder |