CN205666264U - Alkaline battery sealing ring - Google Patents
Alkaline battery sealing ring Download PDFInfo
- Publication number
- CN205666264U CN205666264U CN201620358224.4U CN201620358224U CN205666264U CN 205666264 U CN205666264 U CN 205666264U CN 201620358224 U CN201620358224 U CN 201620358224U CN 205666264 U CN205666264 U CN 205666264U
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- Prior art keywords
- battery
- sealing ring
- explosion
- proof valve
- weak
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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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- Sealing Battery Cases Or Jackets (AREA)
Abstract
The utility model provides an alkaline battery sealing ring, the sealing washer is located between battery bottom, center post and the battery case for seal the alkaline battery, the central point that the center post is located the sealing washer puts, explosion -proof valve has been arranged on the sealing washer, the weak slot that explosion -proof valve is following the center post direction on the sealing washer, weak slot opening is close to one side of battery bottom in the sealing washer, explosion -proof valve is arranged on the sealing washer even or officious announcemently, the shape of weak slot is " one " font or " V " font or " U " font or " Y " font.
Description
Technical field
This utility model relates to a kind of alkaline battery, is specifically related to a kind of alkaline battery sealing ring.
Background technology
Along with the development of our country, the living standard of the people improves constantly, and the environmental protection consciousness of people constantly strengthens,
People more and more use the alkaline battery of green non-pollution.Alkaline battery relative to traditional carbon battery have following several greatly
Advantage: (1) high power discharge performance is good, the alkaline battery use time is more than 5 times of carbon battery；(2) low temperature performance
Good, can also work at minus 20 degrees alkaline battery, and carbon battery the most almost can not put electricity about zero degree；(3) alkaline battery
The utilization rate of middle active substance is more than the Appropriate application of carbon battery, beneficially resource；(4) alkaline battery does not contains any huge sum of money
Belonging to, be green non-pollution battery, carbon battery then has and adds a small amount of mercuric chloride as corrosion inhibiter, thus has environment necessarily
Pollution；(5) self-discharge of battery is little, stores 1 year capacitance loss and be less than 5% under conditions of 20 degree, and within 3 years, capacitance loss is less than
10%.
Although alkaline battery sales volume adds, but exposing some problems, such as: battery leakage problem, the blast of battery is asked
Topic etc..It addition, consumer is more and more higher to the requirement of alkaline battery, such as: require that cell discharge performance improves constantly, it is desirable to
Battery price reduction etc..
For the leakage problem of alkaline battery, each battery producer situation is the most different, and good producer is within the battery shelf-life
Do not have leakage.Although consumer will not be caused big injury by leakage, but can affect the purchase again of consumer.One
Under a little special occasions, battery leakage fills perhaps, as battery install incorrectly, battery charging, new used batteries are used in mixed way, but
Battery is that blast should not occur in any condition.Explosion-proof valve is had under normal circumstances on the sealing ring of alkaline battery, right
Shape producer each with position in explosion-proof valve is the most identical, but the explosion-proof valve place that to be sealing ring the weakest.Why
Alkaline battery explosion-proof valve to be had is to prevent some consumer incorrect use battery, cell internal pressure can be made to increase,
At this moment first the explosion-proof valve on battery seal ring will be broken through, and inside battery gas is released, thus avoids battery to occur
Blast.
Owing to the probability of battery leakage generation is much larger than blast, thus the leakage problem of some producer more concern battery,
Battery seal ring is designed without plus explosion-proof valve, or explosion-proof valve design is unreasonable, when explosion-proof valve needs to open, and does not has
Normally open.Such battery leakproof can be good, but explosion-proof performance does not ensure.There is the anti-of concern battery in some producer
Quick-fried property, but the leakproof of possible battery can be the most very poor.
Therefore for the problems referred to above and the consumer demand of alkaline battery, a kind of preventing liquid leakage performance that can improve is needed
Alkaline battery with explosion-proof performance.
Utility model content
This utility model provides a kind of alkaline battery sealing ring, and described sealing ring is positioned at battery bottom, newel and electricity
Between the housing of pond, being used for closing alkaline battery, described newel is positioned at the center of sealing ring, and described sealing ring is disposed with
Explosion-proof valve；Described explosion-proof valve is the weak groove on sealing ring along newel direction, and described weak groove opening is leaned in sealing ring
The side of nearly battery bottom；Described explosion-proof valve is uniformly or non-uniformly arranged on sealing ring；The shape of described weak groove is
" one " font or " V " font or "U" shaped or " Y " font.
Preferably, described weak groove is horizontal for blind hole that cross-sectional shapes is " V " shape or " u "-shaped.
Preferably, the number of described explosion-proof valve is 15.
It is highly preferred that the number of described explosion-proof valve is 25.
Preferably, described sealing ring is 0.3mm 1.0mm at the thickness range without weak grooved position, is having weak ditch
The thickness of groove location is 0.05 0.25mm.
It is highly preferred that described sealing ring is 0.4mm 0.8mm at the thickness range without weak grooved position, there iing weakness
The thickness of grooved position is 0.05 0.15mm.
Preferably, the injected plastics material of described sealing ring is selected from: nylon66 fiber, NYLON610, nylon 612 or PP.
Preferably, the injection temperature of described sealing ring is 200-320 DEG C
Preferably, described sealing ring, between battery bottom and battery container, is used for closing alkaline battery, described negative pole
Seal body also includes the peristome of battery container, battery cathode end, negative current collector.
Preferably, described sealing ring, between battery bottom and battery container, is used for closing alkaline battery, described alkali
Property battery also includes: battery bottom, battery steel shell, battery sealing coat, battery cathode collector, anode, battery cathode, electricity
Solve liquid.
Accompanying drawing explanation
With reference to the accompanying drawing enclosed, the more purpose of this utility model, function and advantage will be by this utility model embodiment party
The described below of formula is illustrated, wherein:
Fig. 1 is the structural representation of alkaline battery of the prior art；
Fig. 2 (a) is the profile of battery cathode seal body in prior art；
Fig. 2 (b) is the sealing ring in Fig. 2 (a) and the stress schematic diagram suffered by explosion-proof valve；
Fig. 2 (c) is the top view of battery seal ring in prior art；
Fig. 2 (d) is the upward view of battery seal ring in prior art；
Fig. 3 (a) is the profile of alkaline battery cathode seal body of the present utility model；
Fig. 3 (b) is the top view of sealing ring in Fig. 3 (a)；
Fig. 3 (c) is the upward view of a specific embodiment of alkaline battery sealing ring of the present utility model.
Fig. 4 is the top view of the sealing ring of this utility model first embodiment.
Fig. 5 is the top view of the sealing ring of this utility model the second embodiment.
Fig. 6 is the top view of the sealing ring of this utility model the 3rd embodiment.
Fig. 7 is the top view of the sealing ring of this utility model the 4th embodiment.
Detailed description of the invention
By with reference to one exemplary embodiment, the purpose of this utility model and function and be used for realizing these purposes and function
Method will be illustrated.But, this utility model is not limited to one exemplary embodiment disclosed below；Can be by not
With form, it is realized.The essence of description is only to help various equivalent modifications Integrated Understanding this utility model
Detail.
Should be appreciated that aforementioned description substantially is exemplary illustration and explanation with follow-up detailed description, should not
It is used as the restriction of content claimed to this utility model.
Hereinafter, embodiment of the present utility model will be described with reference to the drawings.In the accompanying drawings, identical reference represents
Same or similar parts, or same or similar step.
The housing of alkaline battery is before sealing, and peristome external diameter is all big than other position of battery, and battery seal ring is again than electricity
The internal diameter of pond peristome is slightly larger, and such sealing ring inserts the peristome of battery container and would not eject, and rolls up battery afterwards
Limit, battery peristome edge to the bending of battery container center, the peristome edge housing being bent over is solid battery seal ring
It is scheduled on inside battery.Battery next process after crimping is stretching, owing to the external diameter of battery peristome is more than cell outside diameter, logical
Overstretching narrows down to battery peristome as cell outside diameter big, and the external diameter of sealing ring is more than battery internal diameter, so after La Shen
Sealing ring is realized being sealed battery by compressing.The alkaline battery production line of Ge great battery producer produces alkaline electro at present
The speed in pond is the most quickly, it is common that 300/minute-700/minutes, then it is the shortest that each battery realizes the process of stretching
, it is only necessary to the time of 1 second to 2 second just can complete, certain impulsive force that sealing ring is subject at drawing process.A lot of producers
The explosion-proof valve of sealing ring is positioned at the outer ring of battery center post, and when battery stretches, sealing ring stress deformation, is sealed in outside newel
The explosion-proof valve of circle has certain impact power the most accordingly, and this impulsive force can make the explosion-proof valve of sealing ring impaired, the degree of damage
Greatly, battery production is out easy for leakage situation occur, and degree of injury is little, just occurs leakage after possible battery storage a period of time
Liquid.Further, since sealing ring is necessarily compressed after battery seal, the sealing of compression can make explosion-proof valve be subject to certain stress,
Battery is in storage process, and the explosion-proof valve being constantly subjected to stress is easier to rupture because of aging, so that battery generation electrolyte
Leak from explosion-proof valve fracture position.
The electrolyte of alkaline battery is strong alkaline aqueous solution, and the sealing ring of alkaline battery is mainly PP (polypropylene
Polypropylene) and nylon66 fiber, NYLON610, nylon 1010.Owing to alkaline battery raw material is the purest, battery steel shell electrodeposited coating
Fine and close not, additionally, the environment produced also can introduce some impurity, these impurity are mainly ferrum, copper, nickel, molybdenum etc., and hydrogen is easy
Separate out at these contaminant surface, so that the air pressure in battery increases.It addition, these impurity also can be with anode and negative pole
Active matter one micro cell of composition, also can generate hydrogen.The tolerance that the alkaline battery of different battery manufacturer production is internally generated
Different, good producer, material purity controls through strict, and production process is rigid in checking up, and the tolerance produced in battery can be little
A lot, but can not stop.Owing to inevitably generating gas inside alkaline battery, the pressure of inside battery can be more than big
Atmospheric pressure, the sealing ring of battery, the moment bears an outside stress；Additionally, after sealing ring explosion-proof valve is also stretched by battery
Cell deformation subjected to stress, damage sealing ring explosion-proof valve meeting accelerated ageing, after sealing ring can not bear cell internal pressure,
Sealing ring will break, and the electrolyte of inside battery gas and battery will discharge in battery, and such battery occurs as soon as
Leakage.On the other hand, sealing ring material nylon and PP the most also can react lentamente, make the intensity of material
Die down and become fragile, add that the gas pressure in battery is bigger and sealing ring explosion-proof valve also drawn Shen by battery after sealing ring become
Shape subjected to stress and damage, there is leakage in battery the most more capacity.
This utility model passes through lot of experiments, is redesigned ring structure, it is to avoid sealing ring explosion-proof valve exists
The stress that drawing process sustains damage and after battery stretching, explosion-proof valve will not be produced by sealed ring deformation, thus improve alkalescence
The preventing liquid leakage performance of battery.
Alkaline battery structure of the prior art is as it is shown in figure 1, specifically include that the negative of (1) battery bottom 101, i.e. battery
Extremely.For being connected with outside electrical appliance, turn-on battery internal electron；(2) battery seal ring 102, be positioned at battery bottom and
Between battery container, for sealed cell, prevent inside battery strong alkaline electrolytes liquid from spilling, simultaneously work as insulating effect, anti-
Only anode and negative pole short circuit.(3) container of battery container 103, i.e. battery is held concurrently the positive terminal of battery.(4) battery sealing coat
104, for isolating the active matter of anode and negative pole, prevent internal short-circuit of battery.(5) battery cathode collector 105, is used for
Collect the electronics that battery cathode produces, and the negative pole end of the electronic conduction battery collected.(6) anode 106, mainly electricity
The positive active material in pond and conductive material, active substance is mainly MnO2, NiOOH, AgO or the mixing of above-mentioned oxide
Thing.(7) battery cathode 107, mainly negative electrode active material, binding agent, guarantor's liquor and KOH electrolyte.Negative electrode active material is main
It is alloy zinc powder, and the material of zinc formation alloy has one or more in the elements such as indium, bismuth, aluminum, calcium.(8) electrolyte.Electrolysis
Liquid is distributed in the sealing coat of the positive pole of battery, negative pole and battery, plays ionic conduction effect at inside battery, and main matter is
Concentration is 29% to 40%KOH aqueous solution, contains a small amount of corrosion inhibiter preventing zinc powder from corroding simultaneously.
In prior art, shown in the structure of alkaline battery cathode seal body such as Fig. 2 (a), Fig. 2 (a) is electricity in prior art
The profile of pond negative pole seal body, alkaline battery cathode seal body includes: the peristome 201 of battery container, battery cathode end
202, sealing ring 203, newel 204, negative current collector 205, explosion-proof valve 206.Wherein, newel 204 is positioned in sealing ring
Heart position, explosion-proof valve 206 is positioned at the outer ring being close to newel.Fig. 2 (b) be in Fig. 2 (a) sealing ring and suffered by explosion-proof valve should
Power schematic diagram, first can carry out crimping to battery peristome edge from Fig. 2 (b) it will be seen that during cell sealing,
Sealing ring 203 is subject to the power of a direction compression.Next process after crimping be stretching, due to battery peristome outside
Footpath is more than cell outside diameter, by stretching, battery peristome is narrowed down to as cell outside diameter big, in above process, and explosion-proof valve
206 can be by the stress in downwards (b direction) or upwards (c direction).Fig. 2 (c) is the vertical view of battery seal ring in prior art
Figure；Fig. 2 (d) is the upward view of battery seal ring in prior art, and wherein d position is the position of explosion-proof valve.By Fig. 2 (a) Fig. 2
D () understands, the peristome of the explosion-proof valve of prior art neutral and alkali battery is located remotely from the side of battery cathode end.
Shown in profile such as Fig. 3 (a) of the alkaline battery cathode seal body of a specific embodiment of the present utility model, bag
Include: battery bottom 301, sealing ring 302, newel 303, negative current collector 304, explosion-proof valve 305, the peristome of battery container
306.Sealing ring 302, between battery bottom 301, newel 303 and the peristome 306 of battery container, is used for closing alkalescence
Battery, newel 303 is positioned at the center of sealing ring 302.The injected plastics material of sealing ring is: nylon66 fiber, NYLON610, nylon
612 or PP.Explosion-proof valve 305 it is disposed with on sealing ring 302.The thickness of sealing ring 302 is 0.3mm 1.0mm, preferably 0.4mm
0.8mm.Explosion-proof valve 305 is the weak groove on sealing ring 302 along newel 303 direction, and in the present embodiment, explosion-proof valve is opening
The weak groove (as shown in Fig. 3 (b)) of " V " font, is opened on the sealing ring 302 side near battery bottom 301.Explosion-proof valve
The quantity of 305 is at least one, preferably 2-5, can uniformly or non-uniformly be arranged on sealing ring 302.Weak groove
Shape can also is that " one " font or "U" shaped or " Y " font.Weak groove transverse cross-sectional shape is the blind of " V " shape or " u "-shaped
Hole, thickness range is 0.05-0.25mm, preferably 0.05 0.15mm.Fig. 3 (b) is the top view of sealing ring in Fig. 3 (a).Fig. 3
C () is the upward view of sealing ring in Fig. 3 (a).From Fig. 3 (b), 3 (c), preventing of alkaline battery sealing ring of the present utility model
Quick-fried valve is opened on the side near battery cathode end (battery bottom), and this is contrary with the position of the explosion-proof valve of prior art.
The positional structure of alkaline battery sealing ring of the present utility model is described by specific embodiment below.
Embodiment 1
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature controls as 200-320 DEG C.Sealing ring is explosion-proof
Valve uses " " shape explosion-proof valve sealing ring, and the thickness of explosion-proof valve is 0.1mm.It is assembled into LR6 battery, electricity with this sealing ring
Pond is compiled as 1#.Fig. 4 is the top view of the sealing ring of this utility model first embodiment.
Embodiment 2
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature controls as 200-320 DEG C.Sealing ring is explosion-proof
Valve uses two " " shape explosion-proof valve sealing rings, and the thickness of explosion-proof valve is 0.1mm.It is assembled into LR6 battery, electricity with this sealing ring
Pond is compiled as 2#.Fig. 5 is the top view of the sealing ring of this utility model the second embodiment.
Embodiment 3
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature controls as 200-320 DEG C.Sealing ring is explosion-proof
Valve uses three " " shape explosion-proof valve sealing rings, and the thickness of explosion-proof valve is 0.1mm.It is assembled into LR6 battery, electricity with this sealing ring
Pond is compiled as 3#.Fig. 6 is the top view of the sealing ring of this utility model the 3rd embodiment.
Embodiment 4
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature controls as 200-320 DEG C.Sealing ring is explosion-proof
Valve uses four " " shape explosion-proof valve sealing rings, and the thickness of explosion-proof valve is 0.1mm.It is assembled into LR6 battery, electricity with this sealing ring
Pond is compiled as 4#.Fig. 7 is the top view of the sealing ring of this utility model the 4th embodiment.
Embodiment 5
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature controls as 200-320 DEG C.Sealing ring is explosion-proof
Valve uses the explosion-proof valve sealing ring of two " V " character form structures, and the thickness of explosion-proof valve is 0.1mm.It is assembled into LR6 electricity with this sealing ring
Pond, battery is compiled as 6#.Fig. 3 (b) is the top view of the sealing ring of this utility model the 5th embodiment.Wherein " V " character form structure
Opening angle scope is 20-150 degree, preferably 45-90 degree.
Embodiment 6
Battery seal ring material selection nylon66 fiber in the present embodiment, injection temperature controls as 200-320 DEG C.Sealing ring is explosion-proof
Valve uses old ring structure, and anti-explosion valve structure is "○" shape, and explosion-proof valve is positioned at the periphery being close to sealing ring newel, anti-
The thickness of quick-fried valve is 0.1mm.Being assembled into LR6 battery with this sealing ring, battery is compiled as 6#.Fig. 2 (d) is that this utility model the 6th is real
Execute the upward view of the sealing ring of example.
Take 100 each embodiment batteries, battery is placed on 60 DEG C, the baking oven of 90% humidity is examined, record leakage
The quantity of solution battery and time.
Being 60 DEG C from battery storage condition, test under conditions of 90% humidity, the result of appraisal are it can be seen that use new
The sealing ring (embodiment 1-5) of design changes structure and the position of original sealing ring explosion-proof valve, and explosion-proof valve position is towards sealing ring
The direction at center, and be distributed between sealing ring center and sealing ring edge, impulsive force when battery seal and stretching would not
After explosion-proof valve causes damage, battery seal complete, sealing ring is compressed, and the sealing ring of compression can produce stress, this stress pair
The effect of explosion-proof valve is also preferably minimized, and therefore the sealing ring of new construction can protect the explosion-proof valve of sealing ring well, can prolong
The ageing time of long explosion-proof valve, can be effectively improved the leakproof energy of battery storage phase.60 DEG C of battery, 90% humidity, examine 40
My god, use the sealing ring of 1#-5# new construction that leakage battery does not occur, and use the battery of old sealing structure circle to have 18 to go out
Existing leakage.60 days, the leakage rate of 1#-5# battery was all within 3%, and uses the battery leakage rate of the sealing ring of old structure to reach
45%, far above the sealing ring of new construction.So the sealing ring of new construction can be effectively improved the leakproof of battery storage phase
Can, so that battery preventing liquid leakage performance improves more than 40%.Xinmi City's seal is for other alkaline battery such as LR20, LR4, LR03
Deng also there being equivalent effect.
In conjunction with the explanation of the present utility model disclosed here and practice, other embodiments of the present utility model are for this area
Technical staff is easy to expect and understand.Illustrate and embodiment be to be considered only as exemplary, of the present utility model really
Scope and spirit are all defined in the claims.
Claims (10)
1. an alkaline battery sealing ring, described sealing ring, between battery bottom, newel and battery container, is used for closing
Alkaline battery, described newel is positioned at the center of sealing ring, described sealing ring is disposed with explosion-proof valve；
Described explosion-proof valve is the weak groove on sealing ring along newel direction,
Described weak groove opening in sealing ring near the side of battery bottom；
Described explosion-proof valve is uniformly or non-uniformly arranged on sealing ring；
The shape of described weak groove is " one " font or " V " font or "U" shaped or " Y " font.
2. battery seal ring as claimed in claim 1, described weak groove is horizontal is the blind of " V " shape or " u "-shaped for cross-sectional shapes
Hole.
3. battery seal ring as claimed in claim 1, the number of described explosion-proof valve is 15.
4. battery seal ring as claimed in claim 3, the number of described explosion-proof valve is 25.
5. battery seal ring as claimed in claim 1, described sealing ring at the thickness range without weak grooved position is
0.3mm 1.0mm, is 0.05 0.25mm at the thickness having weak grooved position.
6. battery seal ring as claimed in claim 5, described sealing ring at the thickness range without weak grooved position is
0.4mm 0.8mm, is 0.05 0.15mm at the thickness having weak grooved position.
7. battery seal ring as claimed in claim 1, the injected plastics material of described sealing ring is selected from: nylon66 fiber, NYLON610, Buddhist nun
Dragon 612 or PP.
8. battery seal ring as claimed in claim 1, the injection temperature of described sealing ring is 200-320 DEG C.
9. comprising a negative pole seal body for battery seal ring as claimed in claim 1, described sealing ring is positioned at battery bottom
And between battery container, it being used for closing alkaline battery, described negative pole seal body also includes the peristome of battery container, battery cathode
End, negative current collector.
10. comprise an alkaline battery for battery seal ring as claimed in claim 1, described sealing ring be positioned at battery bottom and
Between battery container, being used for closing alkaline battery, described alkaline battery also includes: battery bottom, battery steel shell, battery are isolated
Layer, battery cathode collector, anode, battery cathode, electrolyte.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358224.4U CN205666264U (en) | 2016-04-26 | 2016-04-26 | Alkaline battery sealing ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620358224.4U CN205666264U (en) | 2016-04-26 | 2016-04-26 | Alkaline battery sealing ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205666264U true CN205666264U (en) | 2016-10-26 |
Family
ID=57163780
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620358224.4U Active CN205666264U (en) | 2016-04-26 | 2016-04-26 | Alkaline battery sealing ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205666264U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789499A (en) * | 2016-04-26 | 2016-07-20 | 福建南平南孚电池有限公司 | Alkali battery sealing ring |
-
2016
- 2016-04-26 CN CN201620358224.4U patent/CN205666264U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105789499A (en) * | 2016-04-26 | 2016-07-20 | 福建南平南孚电池有限公司 | Alkali battery sealing ring |
| CN105789499B (en) * | 2016-04-26 | 2019-08-13 | 福建南平南孚电池有限公司 | A kind of alkaline battery sealing ring |
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