CN205542933U - Elasticity battery block - Google Patents
Elasticity battery block Download PDFInfo
- Publication number
- CN205542933U CN205542933U CN201620325187.7U CN201620325187U CN205542933U CN 205542933 U CN205542933 U CN 205542933U CN 201620325187 U CN201620325187 U CN 201620325187U CN 205542933 U CN205542933 U CN 205542933U
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- CN
- China
- Prior art keywords
- elastic
- brim
- hat
- wall
- elastic wall
- Prior art date
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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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- Gas Exhaust Devices For Batteries (AREA)
Abstract
The utility model provides an elasticity battery block, belong to battery block field, the crown and the brim of a hat including integrative stamping forming, the crown includes the elastic wall that top cap and punching press formed, the elastic wall is the slope form and connects the top cap and the brim of a hat, the elastic wall encloses into the shrink room, it is equipped with first elasticity fillet with continuous of the brim of a hat to contract indoor wall, shrink outdoor wall is equipped with second elasticity fillet with continuous of the brim of a hat, first elasticity fillet is greater than second elasticity fillet, it strikes the substandard masterpiece time spent to receive violent vibrations, can cushion the impact force that receives through self elasticity, thereby make the sealing washer receive less impact force, the shock resistance of battery has been improved, better keep sealed effect.
Description
Technical field
This utility model relates to battery cap field, particularly to a kind of resilient cell block.
Background technology
Lithium ion battery is high with its specific energy, specific power big, have extended cycle life, and without noxious substance, has obtained day
Benefit is widely applied.Especially cylindrical lithium ion battery, its sturdy and durable, good seal, easy connection in series-parallel combination, being permitted of it
Polytypic and aneroid battery, ickel-cadmium cell, Ni-MH battery overall dimensions identical, as easy as rolling off a log replacement uses, and its use is the most extensive.
Therefore it is improved, be allowed to safety and reliability, be the most significant.Existing column lithium ion battery typically uses block
Doing positive pole exit, electrode assembling, in box hat, has anode ear to draw from pole group, is soldered on block base, made with aluminum foil explosion-proof
Unlatching aluminum film is to lower process, welded together with the central point of cover base.Having steam vent in cap head, once internal pressure is too high,
Explosion-proof unlatching aluminum film raises up, and pulls open and the solder joint of block base, disconnects external the electrically connecting of positive pole, and discharge and recharge stops, limit
Make the further development of danger.If internal pressure is the highest, aluminum film rupture, gases at high pressure release from steam vent.In decreasing
Portion's pressure, it is therefore prevented that blast.This simple in construction, effectively, it is simple to processing, but there is also some shortcomings.Such as: 1, block
Rigidity is fine, when the mutual connection in series-parallel of battery in groups time, it is possible to multiple batteries are all pressed in this block, if being shaken by violent
The External Force Actings such as dynamic impact, the good block of rigidity will pass to external force on sealing ring entirely, sealing ring by big External Force Acting,
Its duty can be changed, cause airtight quality to decline, the of long duration danger arising that leakage.If 2 pressure are too big,
Crown sink, it is possible to be pressed onto following unlatching layer, causes unlatching layer aluminum film rupture, seal failure.3, six in block
Steam vent is very big, so, when cap head Laser Welding, if solder joint skew, or workpiece location is inaccurate, and laser beam will pass steam vent
Directly get on explosion-proof unlatching aluminum film.If 4, welding energy is too big when caping Laser Welding, also burns the danger of cap layer, wear
Saturating laser beam can burn unlatching aluminum film further downward.Owing to the fusing point of aluminum is more much lower than steel, laser beam is easy to burn it
Wear, make cell sealing-structure complete failure.More it is a risk that this damage be can't see the most at all, if by this battery
Load set of cells, the electrolyte dry-out caused along with gas leakage leakage, this battery failure, the early stage of whole set of cells will be caused to damage
Bad.
Utility model content
The purpose of this utility model is to provide a kind of resilient cell block, by External Force Actings such as strenuous vibration impacts
Time, impact force can be buffered by natural resiliency, so that sealing ring is by less impulsive force, improve battery
Impact resistance, preferably keep sealing effectiveness.
Above-mentioned purpose of the present utility model has the technical scheme that a kind of resilient cell block, bag
Include crown and the brim of a hat of integrated punching molding, it is characterized in that: crown includes top cover and the elastic wall being stamped and formed out, and elastic wall is in inclining
Ramp-like connection top cover and the brim of a hat, elastic wall surrounds retract chamber, and retract chamber inwall and the brim of a hat connecting place are provided with the first elastic rounded corner,
Retract chamber outer wall and the brim of a hat connecting place are provided with the second elastic rounded corner, and the first elastic rounded corner is more than the second elastic rounded corner.
By using technique scheme, during the series connection of multiple batteries, when battery cap contacts with other batteries, bear pressure
Power is big, when by External Force Actings such as violent vibratory impulses, owing to the elastic reaction of angular flexibility makes the elasticity that originally tilts
Wall can continue run-off the straight so that retract chamber height diminishes, so that the power being delivered on sealing ring diminishes, improves battery
Impact resistance, preferably keeps sealing effectiveness；In this programme, the first elastic rounded corner is more than the second elastic rounded corner so that the first bullet
Property fillet elastic big than the second elastic rounded corner of elasticity, when battery cap is by impulsive force, the second fillet stress generation bullet
Property deformation degree less than the first elastic rounded corner, make elastic wall toughness when stress deformation more preferable, so that battery cap exists
While self deforms upon, moreover it is possible to keep good elasticity, and intact reinstatement, improve the shock resistance energy of battery
Power, preferably keeps sealing effectiveness.
Preferably, the thickness of the brim of a hat is more than top cover thickness, and it is equal with the brim of a hat thickness that elastic wall connects thickness at the brim of a hat, and to
Connect thickness at top cover to taper into, until equal with top cover thickness.
By using technique scheme, because when battery cap is by impulsive force, first it is top cover at stress, top cover
Self impact force is passed to elastic wall, because the thickness of elastic wall is gradual change, so the elasticity of elastic wall is also
Gradual change so that when elastic wall run-off the straight, the inclined degree at top cover is relatively big, and at the brim of a hat, inclined degree is less, because of the brim of a hat
Directly contact with sealing ring, so sealing ring stress is less, improve the impact resistance of battery, preferably keep sealing effect
Really.
Preferably, elastic wall having some steam vents running through elastic wall, steam vent top edge connects top cover, lower limb
Connect the brim of a hat, and steam vent both sides of the edge are symmetrical circular arc, and be to elastic wall sunken inside with elastic wall intersection
Elastic groove.
By using technique scheme, because the height of retract chamber can be made to diminish during elastic wall stress run-off the straight,
So that resilient cell block alleviates impact force by self-deformation so that the impulsive force being delivered to sealing ring becomes
Little, in this programme, steam vent is for discharging the gas that battery produces, and steam vent both sides of the edge are symmetrical circular arc, and with
Elastic wall intersection is the elastic groove to elastic wall sunken inside, and elastic groove is when by impulsive force, and the two side of elastic groove is permissible
Deform to groove inner bending, thus slow down impact force, improve the elasticity of elastic wall, improve the shock resistance energy of battery
Power, preferably keeps sealing effectiveness.
Preferably, on top cover, at steam vent, thickness tapers into and cross section is V-shaped.
By use technique scheme, when in battery produce gas time, flowed out by steam vent, and gas flow out time pair
Top cover causes moment bigger pressure so that it is big that top cover bears pressure, is easily damaged, in this programme on top cover at steam vent
Thickness tapers into and cross section is V-shaped so that when electricity pool gas is gone out, the cap edge of V-arrangement can play guide effect,
Make portion gas to discharge rapidly, and impact the gas flow on top cover and reduce so that top cover pressure experienced reduces, and protects
Top cover makes top cover be hardly damaged, and can preferably keep natural resiliency, improve the impact resistance of battery, preferably keep
Sealing effectiveness.
Preferably, retract chamber internal head cover and elastic wall connecting place are provided with the 3rd elastic rounded corner, the 3rd elastic rounded corner and second
Elastic rounded corner is equal in magnitude.
By using technique scheme, the 3rd elastic rounded corner and the second elastic rounded corner is equal in magnitude that elastic wall can be made to incline
Deformation degree both time tiltedly is identical, and is easier to after deformation restore to the original state, and keeps top cover parallel with the brim of a hat moment, and the moment keeps
Seal the sealing state of lid, improve the impact resistance of battery, preferably keep sealing effectiveness.
In sum, this utility model has the advantages that the second elastic rounded corner and the combination of the 3rd elastic rounded corner
Effect so that elastic wall is when stress occurs elastic, and top cover remains parallel with the brim of a hat；First fillet and elastic groove improve
The deformability of elastic wall；Top cover and steam vent connecting place cross section are V-arrangement, top cover impact when reducing battery aerofluxus
Power.
Accompanying drawing explanation
Fig. 1 is this utility model structure chart；
Fig. 2 is this utility model top view；
Fig. 3 is Section A-A figure in Fig. 2；
Fig. 4 is section B-B figure in Fig. 2；
Fig. 5 is partial enlarged drawing at I in Fig. 4；
Reference: 1, crown crown；2, the brim of a hat；3, top cover；4, elastic wall；5, the first elastic rounded corner；6, second is elastic
Fillet；7, the 3rd elastic rounded corner；8, retract chamber；9, steam vent；10, elastic groove.
Detailed description of the invention
Below in conjunction with accompanying drawing, this utility model is described in further detail.
As it is shown in figure 1, a kind of resilient cell block, including crown and the brim of a hat 2 of integrated punching molding, crown crown 1 wraps
Including top cover 3 and the elastic wall 4 being stamped and formed out, elastic wall 4 surrounds retract chamber 8.The inclined shape of elastic wall 4 connects top cover 3 and the brim of a hat
2.Retract chamber 8 inwall and the brim of a hat 2 connecting place are provided with the first elastic rounded corner 5, and retract chamber 8 outer wall and the brim of a hat 2 connecting place are provided with second
Elastic rounded corner 6, the first elastic rounded corner 5 is more than the second elastic rounded corner 6.
As in figure 2 it is shown, have some steam vents 9 running through elastic wall 4 on elastic wall 4, steam vent 9 top edge connects top cover
3, lower limb connects the brim of a hat 2, and steam vent 9 both sides of the edge are symmetrical circular arc, and is being to elasticity with elastic wall 4 intersection
The elastic groove 10 of wall 4 sunken inside.
In conjunction with Fig. 2 and Fig. 3, the thickness of the brim of a hat 2 is more than top cover 3 thickness, and it is thick with the brim of a hat 2 that elastic wall 4 connects thickness at the brim of a hat 2
Spend equal, and taper into connecting thickness at top cover 3, until equal with top cover 3 thickness.Retract chamber 8 internal head cover 3 and elastic wall
4 connecting places are provided with the 3rd elastic rounded corner 7, and the 3rd elastic rounded corner 7 is equal in magnitude with the second elastic rounded corner 6.
In conjunction with Fig. 4 and Fig. 5, on top cover 3, at steam vent 9, thickness tapers into and cross section is V-shaped.
This specific embodiment is only that it is not to restriction of the present utility model, ability to explanation of the present utility model
The present embodiment can be made after reading this specification by field technique personnel as required does not has the amendment of creative contribution, but
As long as all being protected by Patent Law in right of the present utility model.
Claims (5)
1. a resilient cell block, including crown and the brim of a hat (2) of integrated punching molding, is characterized in that: crown (1) includes top
Lid (3) and the elastic wall (4) being stamped and formed out, elastic wall (4) inclined shape connects top cover (3) and the brim of a hat (2), and elastic wall (4) encloses
Retract chamber (8), retract chamber (8) inwall and the brim of a hat (2) connecting place is become to be provided with the first elastic rounded corner (5), retract chamber (8) outer wall and cap
Eaves (2) connecting place is provided with the second elastic rounded corner (6), and the first elastic rounded corner (5) is more than the second elastic rounded corner (6).
Resilient cell block the most according to claim 1, is characterized in that: the thickness of the brim of a hat (2) is more than top cover (3) thickness,
It is equal with the brim of a hat (2) thickness that elastic wall (4) connects the brim of a hat (2) place thickness, and tapers into, directly to connecting top cover (3) place thickness
To equal with top cover (3) thickness.
Resilient cell block the most according to claim 2, is characterized in that: has on elastic wall (4) and some runs through elastic wall
(4) steam vent (9), steam vent (9) top edge connects top cover (3), and lower limb connects the brim of a hat (2), and steam vent (9) dual-side
Edge is symmetrical circular arc, and is being the elastic groove (10) to elastic wall (4) sunken inside with elastic wall (4) intersection.
Resilient cell block the most according to claim 3, is characterized in that: top cover (3) upper near steam vent (9) place thickness by
Gradual change is little and cross section is V-shaped.
Resilient cell block the most according to claim 4, is characterized in that: retract chamber (8) internal head cover (3) and elastic wall (4)
Connecting place is provided with the 3rd elastic rounded corner (7), and the 3rd elastic rounded corner (7) is equal in magnitude with the second elastic rounded corner (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620325187.7U CN205542933U (en) | 2016-04-18 | 2016-04-18 | Elasticity battery block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620325187.7U CN205542933U (en) | 2016-04-18 | 2016-04-18 | Elasticity battery block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205542933U true CN205542933U (en) | 2016-08-31 |
Family
ID=56792553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620325187.7U Active CN205542933U (en) | 2016-04-18 | 2016-04-18 | Elasticity battery block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205542933U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571440A (en) * | 2016-10-31 | 2017-04-19 | 深圳市沃特玛电池有限公司 | Battery pack |
| CN108493362A (en) * | 2018-06-13 | 2018-09-04 | 飞龙精工科技(苏州)有限公司 | Container energy-storage battery pile filter elasticity filter core gland |
-
2016
- 2016-04-18 CN CN201620325187.7U patent/CN205542933U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571440A (en) * | 2016-10-31 | 2017-04-19 | 深圳市沃特玛电池有限公司 | Battery pack |
| CN108493362A (en) * | 2018-06-13 | 2018-09-04 | 飞龙精工科技(苏州)有限公司 | Container energy-storage battery pile filter elasticity filter core gland |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |