CN206619620U - A kind of cylindrical battery configuration - Google Patents
A kind of cylindrical battery configuration Download PDFInfo
- Publication number
- CN206619620U CN206619620U CN201720330377.2U CN201720330377U CN206619620U CN 206619620 U CN206619620 U CN 206619620U CN 201720330377 U CN201720330377 U CN 201720330377U CN 206619620 U CN206619620 U CN 206619620U
- Authority
- CN
- China
- Prior art keywords
- sealing
- kink
- cylindrical battery
- main body
- ring
- 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
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model discloses a kind of cylindrical battery configuration, including shell, battery core, capping structure, the shell includes housing first portion of the battery core, houses second portion, the first kink and the second kink of the capping structure, the capping structure includes block main body and insulation and sealing structure, the block main body includes cover plate, reinforcing ring, rupture pressure disc, sealing ring and orifice plate, and insulating barrier is set on the cover plate.By optimizing insulation and sealing structure, increase insulating barrier, on the one hand greatly the later stage oozes out electrolyte phenomenon after the sealing of improvement cylindrical battery, lift-off seal effect, reduce the generation of later stage potential safety hazard, on the other hand both positive and negative polarity contact short circuit in process of production is solved the problems, such as, saves patch insulation sticker process, improving production efficiency in rear workshop section.
Description
【Technical field】
The utility model is related to compartment manufacture field, more particularly to a kind of cylindrical battery configuration.
【Background technology】
At present, cylindrical battery have the advantages that it is environment friendly and pollution-free, have extended cycle life, be widely used in communicating, illuminate, store up
The fields such as energy, electric car, electric bicycle, electric tool.However, cylindrical battery cap is complicated, risen in cylindrical battery
And overcharge the decompression protection effect after protection, overcurrent protection, high temperature protection and internal pressure increase.Block as battery basic structure
One of part, determines the sealing property, heat-sinking capability and flow conductivity of battery, and crucial work is played in the performance to battery performance
With.There is problems with existing capping structure：First, battery when connecting in groups, because pole and cover plate are integral, possibility
Contact short circuit between cover plate and battery core can be caused；Secondly, for the battery using common block, envelope may be caused in assembling process
Mouth is not close, is produced especially inside battery core in charge and discharge process after certain pressure, easily occurs leakage, have to sealing property
Requirements at the higher level, also need to be improved the seal means of existing block.
In consideration of it, real be necessary to provide a kind of new cylindrical battery configuration to overcome drawbacks described above.
【Utility model content】
The purpose of this utility model is to provide a kind of cylindrical battery configuration, can prevent both positive and negative polarity short circuit and increase sealing work(
Can be to reduce solution leakage risk.
To achieve these goals, the utility model provides a kind of cylindrical battery configuration, including shell, battery core and block knot
Structure；The shell include housing first portion of the battery core, second portion for housing the capping structure, the first kink and
Second kink；First kink is by the junction in first portion and second portion towards the housing center direction of principal axis
Depression is formed, and second kink is from the described one end of second portion away from first kink and into the shell
Heart direction of principal axis is bent to form；Second kink is connected with the described one end of second portion away from first kink；Institute
Stating capping structure includes block main body and insulation and sealing structure；The insulation and sealing structure includes being placed on outside the block main body
First sealing, the second sealing for being connected to first sealing one end, it is connected on the first sealing and away from described second
3rd sealing of sealing one end, extend the sealing rib to be formed from the 3rd sealing side and close from described second
The insulating strength portion that the bending extension of envelope portion one end is formed；First sealing, the second sealing, the 3rd sealing and block master
Body is contained in second portion, and first sealing is held between the block main body and first portion, and described
Two sealings are held between the block main body and the second kink；3rd sealing is held on first kink
Between block main body；Second kink is held between the insulating strength portion and the first sealing；The sealing adds
Strong portion is posted by second kink.
In a preferred embodiment, the block main body includes cover plate, reinforcing ring, rupture pressure disc, sealing ring, orifice plate；
The orifice plate is embedded in the sealing ring；The rupture pressure disc is arranged on the sealing ring, and the rupture pressure disc includes base portion, diaphragm
Portion, bound edge portion and pressure section；The reinforcing ring is coaxially disposed on the base portion of the rupture pressure disc；Set on the reinforcing ring
Put the cover plate；The bound edge portion is around outside the reinforcing ring and the cover plate；First sealing is held on the bag
Between edge and second portion, second sealing be affixed on the pressure section and be held on the pressure section with it is described
Between second kink, the 3rd sealing be affixed on the base portion and be held on the base portion and first kink it
Between.
In a preferred embodiment, the platform part of the cover plate including annular and along platform part inner edge projection
The protuberance of formation；The reinforcing ring is annular and is coaxially disposed with the platform part of the cover plate.
In a preferred embodiment, ring is being collectively forming by the platform part, the protuberance and the pressure section
A layer insulating is provided with connected in star, the insulating barrier side is connected with the insulating strength portion.
In a preferred embodiment, the external diameter of the reinforcing ring is consistent with the external diameter of the platform part, described to strengthen
The internal diameter of ring is less than the internal diameter of the platform part.
In a preferred embodiment, the sealing rib is shaped as arc ring, the arc of the sealing rib
Outer is matched with the first kink radian.
In a preferred embodiment, the sealing ring includes the main part stage portion of annular, and the stage portion is by institute
The interior lateral housing center direction of principal axis projection extension for stating main part is formed；The orifice plate is disc-shaped；The main part
Internal diameter is consistent with the external diameter of the orifice plate；One side of the stage portion away from the rupture pressure disc is pressed on the orifice plate close to institute
State the one side of rupture pressure disc.
In a preferred embodiment, the diaphragm portion is in disc and from the inner edge of the base portion to away from the base
The side in portion is raised.
Compared with prior art, the utility model provides a kind of beneficial effect of cylindrical battery configuration and is：To block knot
The special optimization design of insulation and sealing structure in structure, can greatly promote the sealing after cell package, solve battery and passing through
After discharge and recharge use, cause internal pressure to raise, cause electrolyte from sealing part seepage the problem of, further lift security performance.Together
When, insulating barrier is added in capping structure, short circuit problem of the battery in encapsulation, course of conveying is solved, saves rear workshop section
Insulated gluing treatment process, not only greatly improves security, and to saving cost, improving production efficiency plays huge work
With.
【Brief description of the drawings】
The cross section structure schematic diagram for the cylindrical battery configuration that Fig. 1 provides for present embodiment.
Fig. 2 is the block agent structure schematic diagram of the cylindrical battery configuration shown in Fig. 1.
Fig. 3 is the partial enlarged drawing of the cylindrical battery configuration shown in Fig. 1.
【Embodiment】
In order that the purpose of this utility model, technical scheme and advantageous effects become apparent from understanding, below in conjunction with attached
Figure and embodiment, the utility model is further elaborated.It should be appreciated that described in this specification
Embodiment is not intended to limit the utility model just for the sake of explaining the utility model.
Referring to Fig. 1, a kind of cylindrical battery configuration 100 that the utility model is provided, including shell 10, battery core 20 and block
Structure 30.
The shell 10 includes housing first portion 110 of the battery core 20, houses second of the capping structure 30
Portion 120, the first kink 130 and the second kink 140.First portion 110 is for hollow cylindrical and including away from described
The bottom wall 111 of first kink 130.First kink 130 is by first portion 110 and second portion 120
Junction is formed after being handled towards the central axis direction of shell 10 through slot rolling, and first kink 130 is into the shell 10
Heart direction of principal axis is recessed and presses on one end of the battery core 20, prevents the battery core 20 from being come off out of described first portion 110.Institute
The one end for stating the first kink 130 is connected with first portion 110, and the other end is connected with second portion 120.Described
Two kinks 140 are from the described one end of second portion 120 away from first kink 130 and to the central shaft of the shell 10
Direction is bent to form, and second kink 140 connects with the one end of second portion 120 away from first kink 130
Connect.
The battery core 20 is cylindrical and is contained in first portion 110, one end of the battery core 20 and described the
One kink 130 is compressed, and the other end is close to the bottom wall 111.
Fig. 2 and Fig. 3 is referred to, the capping structure 30 includes block main body 310 and insulation and sealing structure 320.The electricity
Core 20 between lug 201 and the capping structure 30 by being electrically connected with.The block main body 310 includes cover plate 311, reinforcing ring
312nd, rupture pressure disc 313, sealing ring 314, orifice plate 315.
The cover plate 311 includes platform part 3111 and protuberance 3112.The platform part 3111 is annular, the protrusion
Portion 3112 is from the inner edge projection of the platform part 3111 of annular and to be round table-like.The material of reinforcing ring 312 is metal, described
Reinforcing ring 312 is annular and the external diameter of the reinforcing ring 312 is equal with the external diameter of the platform part 3111, the reinforcing ring
312 internal diameter is less than the internal diameter of the platform part 3111.In present embodiment, the reinforcing ring is made up of steel.
In present embodiment, the rupture pressure disc 313 is aluminium foil, and the rupture pressure disc 313 includes the base portion 3131 of annular, position
In the diaphragm portion 3132 in the base portion 3131, bound edge portion 3133 and pressure section 3134；The diaphragm portion 3132 in disc and
It is raised to the side away from the base portion 3131 from the inner edge of the base portion 3131.In the present embodiment, the bound edge portion
3133 it is opposite with the protrusion direction of the diaphragm portion 3132 and it is vertical with the base portion 3131 be connected, the one of the bound edge portion 3133
Side is vertically connected at the outer rim of the base portion 3131, the pressure section 3135 parallel to the base portion 3131 and with the base portion
3131 distance is consistent with the thickness of the platform part 3111 and the thickness summation of the reinforcing ring 312.
The sealing ring 314 includes the main part 3141 and stage portion 3142 of annular, and the stage portion 3142 is by described
The interior lateral central axis direction of the shell 10 projection extension of main part is formed, and the stage portion 3142 is away from the rupture pressure disc
313 be pressed on the orifice plate 315 close to the rupture pressure disc 313 while.
The orifice plate 315 is disc-shaped and is provided with the connecting hole 3151 passed through for lug.The external diameter of the orifice plate 315 is equal to
The internal diameter of the main part 3141 of the sealing ring 314.
The insulation and sealing structure 320 includes the first sealing 321, the second sealing 322, the 3rd sealing 323, insulation
Rib 324 and sealing rib 325.First sealing 321 is hollow cylindrical and is placed on the block main body 310
Outside, second sealing 322 is circular and extend vertically and be connected with one end of first sealing 321；Described 3rd
Sealing 323 for it is circular and it is vertical with the one end of first sealing 321 away from second sealing 322 be connected, institute
State that insulating strength portion 324 is vertical with the one end of the second sealing 322 away from first sealing 321 to be connected and to away from center
Direction of principal axis is bent to form, and the sealing rib 325 is curved annular and extends to be formed from the side of the 3rd sealing 323.
During assembling, first sealing 321, second sealing 322, the 3rd sealing 323 and the lid
Cap main body 310 is contained in second portion 120, first sealing 321 be held on the block main body 310 with it is described
Between first portion 110, second sealing 321 be held on the block main body 310 and second kink 140 it
Between；3rd sealing 323 is held between first kink 130 and the block main body 310；Second bending
Portion 140 is held between the insulating strength portion 324 and first sealing 321；The sealing rib 325 is posted by institute
State on the first kink 130.
Specifically, the battery core 20 is put into the shell 10 first, the orifice plate 315 is embedded in the sealing ring 314；
The rupture pressure disc 313, the master of the base portion 3131 of the rupture pressure disc 313 and the sealing ring 314 are set on the sealing ring 314
Body portion 3141 is coaxially disposed and the internal diameter of the base portion 3131 is less than the internal diameter of the main part 3141 of sealing ring 314；Described anti-
The reinforcing ring 312 is coaxially disposed on the base portion 3131 of quick-fried film 313, the internal diameter of reinforcing ring 312 is more than the base portion
3131 internal diameter；The cover plate 311 is set on the reinforcing ring 312, the platform part 3111 of the cover plate 311 and described
Reinforcing ring 312 is coaxially disposed；The bound edge portion 3133 around outside the reinforcing ring 312 and the platform part 3111 and with it is described
Base portion 3131 and platform part 3111 are contacted, the pressure section 3134 be posted by the platform part 3111 and the platform part 3111 and
Reinforcing ring 312 is located between the pressure section 3134 and base portion 3131；The lug 201 that one end is connected with the battery core 20
Diaphragm portion 3132 through the orifice plate 315 and the rupture pressure disc 313 is electrically connected with, and then houses the cover plate main body 310
In the insulation and sealing structure 320, by the shell 10 along the battery core 20 close to the position of the capping structure 30 to center
Direction of principal axis does slot rolling processing and forms the first kink 130, and the battery core 20 is contained in into first portion 110, and described the
The radian of one kink 130 is matched with the radian of sealing rib 325 in the insulation and sealing structure 320, is strengthened sealing, is prevented
Solution leakage.3rd sealing 323 is affixed on the base portion 3131 and is held on the base portion 3131 and first and bends
Between portion 130；Then extrude the one end of the shell 10 away from the bottom wall 111 and form second kink 140, will be described
Second kink 140 is held between the insulating strength portion 324 and second sealing 322, first sealing 321
Be held between the bound edge portion 3133 and second portion 120, second sealing 322 be affixed on the pressure section 3134 and
It is held between the kink 140 of pressure section 3134 and second, prevents the second kink 140 and the cover plate of the shell 10
311 short circuits.Finally, in the annular being collectively forming by the pressure section 3134, the platform part 3111 and the protuberance 3112
One layer insulating 316 is set in groove, and the side of the insulating barrier 316 is connected with the insulating strength portion 324, the insulating barrier
316 side away from the insulating strength portion 324 is connected with the protuberance 3112, further prevents the second of the shell 10
Kink 140 and the short circuit of cover plate 311, that is, prevent the both positive and negative polarity short circuit of cylindrical battery configuration 100.
When air pressure inside increases, the diaphragm portion 3132 of the rupture pressure disc 313 can be overturn to be disconnected with the orifice plate 315, shape
State is broken into open circuit.When air pressure inside reaches pressure limit value, diaphragm portion 3132 and the base portion of the rupture pressure disc 313
3131 fractures, and then circuit is cut off, discharge gas, it is to avoid blast.
The utility model provides a kind of cylindrical battery configuration, optimizes insulation and sealing structure, increases insulating barrier, on the one hand greatly
The sealing of improvement cylindrical battery after the later stage ooze out electrolyte phenomenon, lift-off seal effect reduces the generation of later stage potential safety hazard.Separately
On the one hand both positive and negative polarity contact short circuit in production process is solved the problems, such as, saves patch insulation sticker process in rear workshop section, lifting production
Efficiency.
The utility model is not restricted to described in specification and embodiment, thus for being familiar with the personnel of neck and
Additional advantage and modification is easily achieved in speech, therefore in the universal limited without departing substantially from claim and equivalency range
In the case of spirit and scope, the utility model be not limited to specific details, representational equipment and shown here as with description
Examples shown.
Claims (8)
1. a kind of cylindrical battery configuration, including shell, battery core and capping structure；The shell includes housing the first of the battery core
Cylinder portion, second portion, the first kink and the second kink for housing the capping structure；First kink is by described
The junction in a tin portion and second portion is recessed to be formed towards the housing center direction of principal axis, and second kink is by described second
The one end of cylinder portion away from first kink and it is bent to form to the central axis direction of the shell；Second kink with
One end connection of second portion away from first kink；The capping structure includes block main body and insulated enclosure knot
Structure；The insulation and sealing structure include be placed on outside the block main body the first sealing, be connected to first sealing one end
Second sealing, be connected on the first sealing and the 3rd sealing away from described second sealing one end, from the described 3rd
Sealing side extends the sealing rib to be formed and bends the insulating strength portion that extension is formed from described second sealing one end；
First sealing, the second sealing, the 3rd sealing and block main body are contained in second portion, and described first is close
Envelope portion is held between the block main body and first portion, and second sealing is held on the block main body and second curved
Between folding part；3rd sealing is held between first kink and block main body；The second kink clamping
Between the insulating strength portion and the first sealing；The sealing rib is posted by second kink.
2. cylindrical battery configuration as claimed in claim 1, it is characterised in that：The block main body includes cover plate, reinforcing ring, prevented
Quick-fried film, sealing ring, orifice plate；The orifice plate is embedded in the sealing ring；The rupture pressure disc is arranged on the sealing ring, described anti-
Quick-fried film includes base portion, diaphragm portion, bound edge portion and pressure section；The reinforcement is coaxially disposed on the base portion of the rupture pressure disc
Ring；The cover plate is set on the reinforcing ring；The bound edge portion is around outside the reinforcing ring and the cover plate；Described first
Sealing is held between the bound edge portion and second portion, and second sealing is affixed on the pressure section and clamped
Between the pressure section and second kink, the 3rd sealing is affixed on the base portion and is held on the base portion
Between first kink.
3. a kind of cylindrical battery configuration as claimed in claim 2, it is characterised in that：The cover plate includes the platform part of annular
And the protuberance formed along platform part inner edge projection；The reinforcing ring is annular and coaxial with the platform part of the cover plate
Set.
4. cylindrical battery configuration as claimed in claim 3, it is characterised in that：By the platform part, the protuberance and institute
State pressure section and be collectively forming in annular groove and be provided with a layer insulating, the insulating barrier side connects with the insulating strength portion
Connect.
5. cylindrical battery configuration as claimed in claim 4, it is characterised in that：The external diameter of the reinforcing ring and the platform part
External diameter is consistent, and the internal diameter of the reinforcing ring is less than the internal diameter of the platform part.
6. cylindrical battery configuration as claimed in claim 5, it is characterised in that：The sealing rib is shaped as arc ring, institute
The arc outer for stating sealing rib is matched with the first kink radian.
7. cylindrical battery configuration as claimed in claim 6, it is characterised in that：The sealing ring includes the main part step of annular
Portion, the stage portion lateral housing center direction of principal axis projection extension in the main part is formed；The orifice plate is circle
Sheet；The internal diameter of the main part is consistent with the external diameter of the orifice plate；One side of the stage portion away from the rupture pressure disc is supported
It is pressed in one side of the orifice plate close to the rupture pressure disc.
8. cylindrical battery configuration as claimed in claim 7, it is characterised in that：The diaphragm portion is in disc and from the base portion
Inner edge it is raised to the side away from the base portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330377.2U CN206619620U (en) | 2017-03-30 | 2017-03-30 | A kind of cylindrical battery configuration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720330377.2U CN206619620U (en) | 2017-03-30 | 2017-03-30 | A kind of cylindrical battery configuration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206619620U true CN206619620U (en) | 2017-11-07 |
Family
ID=60234949
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720330377.2U Expired - Fee Related CN206619620U (en) | 2017-03-30 | 2017-03-30 | A kind of cylindrical battery configuration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206619620U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039424A (en) * | 2017-12-06 | 2018-05-15 | 贵州贵安阳光新能源科技有限公司 | The connection fixing means and electrode structure of a kind of battery cap and housing |
| WO2023231282A1 (en) * | 2022-06-02 | 2023-12-07 | 湖北亿纬动力有限公司 | Battery, battery module and battery pack |
-
2017
- 2017-03-30 CN CN201720330377.2U patent/CN206619620U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108039424A (en) * | 2017-12-06 | 2018-05-15 | 贵州贵安阳光新能源科技有限公司 | The connection fixing means and electrode structure of a kind of battery cap and housing |
| WO2023231282A1 (en) * | 2022-06-02 | 2023-12-07 | 湖北亿纬动力有限公司 | Battery, battery module and battery pack |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171107 Termination date: 20190330 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |