CN2812311Y - An Hg-free button type alkaline cell - Google Patents
An Hg-free button type alkaline cell Download PDFInfo
- Publication number
- CN2812311Y CN2812311Y CN 200520109629 CN200520109629U CN2812311Y CN 2812311 Y CN2812311 Y CN 2812311Y CN 200520109629 CN200520109629 CN 200520109629 CN 200520109629 U CN200520109629 U CN 200520109629U CN 2812311 Y CN2812311 Y CN 2812311Y
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- China
- Prior art keywords
- negative pole
- wall
- button type
- negative
- shape
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- 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 - Lifetime
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- Y02E60/12—
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- Sealing Battery Cases Or Jackets (AREA)
- Primary Cells (AREA)
Abstract
The utility model relates to a mercury-free button type alkaline battery which comprises a positive pole casing, a negative pole cover, a positive pole mixture and a negative pole mixture, wherein a diaphragm is installed between the positive pole mixture and the negative pole mixture; a washer is installed on the diaphragm which comprises a bottom part and an outer wall. The button type alkaline battery also comprises a negative pole body, the shape of which corresponds to that of the inner wall of the negative pole cover, wherein the negative pole body is attached to the inner wall of the negative pole cover; the bottom of the negative pole body is connected with the bottom of the washer; the negative pole body can be an inner wall sleeve, the shape of which is matched with the shape of the inner wall of the negative pole cover; the negative pole body completely separates the inner wall of the negative pole cover from the negative pole mixture; the negative pole body can also be a metal foil, the shape of which is matched with the shape of the inner wall of the negative pole cover; the top of the metal foil has an opening. In the utility model, because the inner wall of the negative pole cover is added with the negative pole body, electrolyte can be effectively prevented from leaking.
Description
[affiliated technical field]
The utility model relates to a kind of battery, particularly a kind of button type alkaline battery that is used for the miniaturized electronics such as electronic watch, electronics desk-top calculator.
[background technology]
The manufacture method of present button type alkaline battery:
As shown in Figure 1, hold manganese dioxide or the silver oxide cathode mix 4 as active material in the anodal housing 1, negative cover 2 is a base material with iron, outer one deck nickel of electroplating, and internal layer is electroplated layer of copper, tin or indium, cover upper gasket (insulated ring) 3; Accommodating mercury less zinc powder or Zinc alloy powder in the negative cover 2 is the negative pole mixture 5 of negative electrode active material, and barrier film 6 is separated cathode mix 4 and negative pole mixture 5, and injects alkaline electrolyte, seals shaping with the special-purpose sealing mould on stamping machine.
In making the negative cover process, different circle positions, fold position etc. are arranged in the shape of negative cover 2, be unavoidable and influence the neither too much nor too little destruction of metal covering, severe patient directly influences battery quality, no matter these situations contain mercury zinc powder in use, during battery storage, also can produce gas, accumulation and inner pressure of battery is increased, and cause electrolyte leakage.If adopt mercury less zinc powder or kirsite, these situations are then more obvious, influence battery and remove electrolyte leakage, and severe patient battery accumulation gas flow is big, makes the battery explosion, can't work.
Based on the angle of environmental protection, in the time of must considering to use mercuryless zinc powder or kirsite, overcome these problems.
[summary of the invention]
The purpose of this utility model is to provide a kind of no mercury button type alkaline battery, and it can prevent electrolyte leakage effectively.
The purpose of this utility model is achieved in that this no mercury button type alkaline battery comprises anodal housing, negative cover, cathode mix and negative pole mixture, between above-mentioned cathode mix and the negative pole mixture barrier film is installed, packing ring is installed on the barrier film, and it comprises bottom and outer wall; This button type alkaline battery also comprises a negative pole body, and its shape is corresponding with the shape of the inwall of negative cover, and invests the inwall of negative cover, and its bottom is connected with the bottom of packing ring.
Further improvement of the utility model is: described negative pole body is an inner wall sleeve, and the shape of the shape of this inner wall sleeve and the inwall of negative cover is complementary, and the inwall and the negative pole mixture of negative cover are isolated fully.
Further improvement of the utility model is: described negative pole body is a metal forming, and the shape of the inwall of its shape and negative cover is complementary, and the top has opening.
Compared with prior art, the utility model increases by a negative pole body at the negative cover inwall, can prevent electrolyte leakage effectively.
[description of drawings]
Fig. 1 is the schematic diagram of button type alkaline battery of the prior art;
Fig. 2 is the schematic diagram of inner wall sleeve of the present utility model;
Fig. 3 is the installation diagram of inner wall sleeve of the present utility model, negative cover and packing ring;
Fig. 4 is the schematic diagram of button type alkaline battery of the present utility model;
Fig. 5 is the schematic diagram of metal forming of the present utility model;
Fig. 6 is the installation diagram of metal forming of the present utility model, negative cover and packing ring;
Fig. 7 is the schematic diagram of the button type alkaline battery of another embodiment of the utility model.
[embodiment]
See also Fig. 4, the utility model comprise one as the anodal housing 1 of positive terminal and one as the extreme negative cover 2 of negative electricity, in anodal housing 1, be full of cathode mix 4, and in negative cover 2, be full of negative pole mixture 5, between cathode mix 4 and the negative pole mixture 5 barrier film 6 is installed, packing ring 3 is installed on the barrier film 6.
Above-mentioned packing ring 3 comprises bottom 30 and outer wall 32.
Above-mentioned negative cover 2 has outside " U " shape flange 20.The upper limb of the uncovered edge part 10 of anodal housing 1 and the outer wall 32 of packing ring 3 is towards negative cover 2 direction bendings, and the upper limb of the outer wall 32 of packing ring 3 is fastened on " U " shape flange 20 of negative cover 2 and against the outer surface of negative cover 2.
The inwall of negative cover 2 is with a negative pole body, and it is an inner wall sleeve 21, and the shape of the inwall of the shape of this inner wall sleeve 21 and negative cover 2 is complementary, and the inwall and the negative pole mixture 5 of negative cover 2 are isolated fully, thereby forms a protective layer.The material of this inner wall sleeve 21 adopts iron or copper, adds electrodeposited coating more thereon, electroplates last layer tin, indium or ashbury metal, and electro-plating method adopts electrolysis, chemical method, sedimentation.The bottom 30 of packing ring 3 is fixed in the bottom of this inner wall sleeve 21, and forms a groove with the bottom 30 of packing ring 3 and outer wall 32." U " shape flange 20 of negative cover 2 is contained in the groove.Between the bottom 30 of " U " shape flange 20 of negative cover 2 and inner wall sleeve 21, packing ring 3 and the outer wall 32 sealing agent layer 7 is arranged, to stop the leakage of electrolyte.These sealing agent layer 7 materials are epoxy resin.
See also Fig. 2 to Fig. 4, during assembling, at first make inner wall sleeve 21, the shape of the inwall of the shape of this inner wall sleeve 21 and negative cover 2 is complementary, and material adopts iron or copper, adds electrodeposited coating more thereon, electroplate last layer tin, indium or ashbury metal, electro-plating method adopts electrolysis, chemical method, sedimentation.
The inner wall sleeve 21 of plating will be finished, be inserted in the negative cover 2, cover upper gasket 3, insulating cement is injected in the crack betwixt, form sealing agent layer 7, after the negative cover combination, in negative cover 2, fit into negative pole mixtures 5 such as mercury less zinc powder or zinc alloy mixing compound, inject electrolyte in anodal housing 1, fit into cathode mixes 4 such as manganese dioxide or silver oxide mixture, barrier film 6 separates anodal housing 1 and negative cover 2, with battery seal, and makes no mercury button type alkaline battery of the present utility model with stamping machine.
See also Fig. 7, the negative pole body of another embodiment of the present utility model is a metal forming 22, and the shape of the inwall of its shape and negative cover 2 is complementary, and the top has opening, and material can be with tin or ashbury metal, and thickness is at 0.01～0.05mm.The bottom 30 of packing ring 3 is fixed in the bottom of this metal forming 22, and forms a groove with the bottom 30 of packing ring 3 and outer wall 32." U " shape flange 20 of negative cover 2 is contained in the groove.Between the bottom 30 of " U " shape flange 20 of negative cover 2 and metal forming 22, packing ring 3 and the outer wall 32 sealing agent layer 7 is arranged, to stop the leakage of electrolyte.These sealing agent layer 7 materials are epoxy resin.
See also Fig. 5 to Fig. 7, during assembling, at first make metal forming 22, the shape of the inwall of the shape of this metal forming 22 and negative cover 2 is complementary.
With metal forming 22, be inserted in the negative cover 2, cover upper gasket 3, insulating cement is injected in the crack betwixt, form sealing agent layer 7, after the negative cover combination, in negative cover 2, fit into negative pole mixtures 5 such as mercury less zinc powder or zinc alloy mixing compound, inject electrolyte in anodal housing 1, fit into cathode mixes 4 such as manganese dioxide or silver oxide mixture, barrier film 6 separates anodal housing 1 and negative cover 2, with battery seal, and makes no mercury button type alkaline battery of the present utility model with stamping machine.
The no mercury button type alkaline battery that the foregoing description is made is made (LR44) battery, and through 45 ℃ of high temperature, it is as follows that the environment of relative humidity 90% is deposited the result:
Table 1
| At 45 ℃, 90%RH stores the back down and leaks incidence | |||||
| 20 days | 30 days | 40 days | 50 days | 60 days | |
| Implement 1 | 0 | 0 | 0 | 0 | 0 |
| | 0 | 0 | 0 | 0 | 0 |
| Relatively | 0 | 0 | 0 | 0 | 0 |
Table 2
| At 60 ℃, 90%RH stores the back down and leaks incidence | 60 ℃ of variations that store height (mm) after 28 days down | |
| 28 days | 28 days | |
| Implement 1 | 0 | 0.006 |
| | 0 | 0.006 |
| Relatively | 0 | 0.005 |
From above-mentioned result of implementation can, just use dual negative pole body, can stop negative cover in the compensation of manufacturing process to the destruction of electrodeposited coating, do not have mercury button type alkaline battery thereby can implement out environmental protection.
Although the utility model is to describe with reference to specific embodiment, this description and not meaning that is construed as limiting the utility model.With reference to description of the present utility model, other of the disclosed embodiments changes, and all can expect for those skilled in the art.Therefore, such variation should not break away from affiliated claim institute's restricted portion and spirit.
Claims (8)
1. no mercury button type alkaline battery, it comprises anodal housing, negative cover, cathode mix and negative pole mixture, between above-mentioned cathode mix and the negative pole mixture barrier film is installed, packing ring is installed on the barrier film, it comprises bottom and outer wall, and it is characterized in that: this button type alkaline battery also comprises a negative pole body, and its shape is corresponding with the shape of the inwall of negative cover, and investing the inwall of negative cover, its bottom is connected with the bottom of packing ring.
2. no mercury button type alkaline battery according to claim 1, it is characterized in that: the bottom of packing ring is fixed in the bottom of described negative pole body, and forms a groove with the bottom and the outer wall of packing ring; Negative cover has outside flange, and this flange is contained in the above-mentioned groove, between the bottom of the flange of negative cover and negative pole body, packing ring and the outer wall sealing agent layer is arranged.
3. no mercury button type alkaline battery according to claim 2, it is characterized in that: the upper limb of the uncovered edge part of above-mentioned anodal housing and the outer wall of packing ring is towards the bending of negative cover direction, and the upper limb of the outer wall of packing ring is fastened on the flange of negative cover and against the outer surface of negative cover.
4. no mercury button type alkaline battery according to claim 3 is characterized in that: the flange of described negative cover is " U " shape.
5. according to one of any described no mercury button type alkaline battery of claim 1 to 4, it is characterized in that: described negative pole body is an inner wall sleeve, and the shape of the shape of this inner wall sleeve and negative cover inwall is complementary, and the inwall and the negative pole mixture of negative cover are isolated fully.
6. no mercury button type alkaline battery according to claim 5, it is characterized in that: described inner wall sleeve surface has electrodeposited coating.
7. according to one of any described no mercury button type alkaline battery of claim 1 to 4, it is characterized in that: described negative pole body is a metal forming, and the shape of the inwall of its shape and negative cover is complementary, and the top has opening.
8. no mercury button type alkaline battery according to claim 7, it is characterized in that: the thickness of described metal forming is at 0.01～0.05mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520109629 CN2812311Y (en) | 2005-06-03 | 2005-06-03 | An Hg-free button type alkaline cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520109629 CN2812311Y (en) | 2005-06-03 | 2005-06-03 | An Hg-free button type alkaline cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2812311Y true CN2812311Y (en) | 2006-08-30 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520109629 Expired - Lifetime CN2812311Y (en) | 2005-06-03 | 2005-06-03 | An Hg-free button type alkaline cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2812311Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412373A (en) * | 2011-11-30 | 2012-04-11 | 刘膑 | Mercury-free lead-free button battery |
| CN102544412A (en) * | 2012-01-11 | 2012-07-04 | 刘膑 | Method for manufacturing mercury-free and lead-free button battery |
| CN102983295A (en) * | 2012-12-18 | 2013-03-20 | 河南创力新能源科技有限公司 | Hydrogen-nickel buckle type battery and negative pole cover thereof |
| WO2013091281A1 (en) * | 2011-12-18 | 2013-06-27 | Xiao Xiuhua | Mercury-free zinc-manganese and zinc-silver button battery |
| CN103560214A (en) * | 2013-11-16 | 2014-02-05 | 佛山市南海新光电池材料有限公司 | Mercury-free and lead-free environment-friendly button cell and manufacturing method thereof |
| CN103618095A (en) * | 2013-02-07 | 2014-03-05 | 卢鉴全 | Non-mercury button battery and preparation method thereof |
-
2005
- 2005-06-03 CN CN 200520109629 patent/CN2812311Y/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412373A (en) * | 2011-11-30 | 2012-04-11 | 刘膑 | Mercury-free lead-free button battery |
| CN102412373B (en) * | 2011-11-30 | 2013-06-19 | 刘膑 | Mercury-free lead-free button battery |
| CN103258976A (en) * | 2011-11-30 | 2013-08-21 | 刘膑 | Mercury-free and lead-free button cell |
| CN103258976B (en) * | 2011-11-30 | 2015-08-19 | 刘膑 | Without the button cell that mercury is unleaded |
| WO2013091281A1 (en) * | 2011-12-18 | 2013-06-27 | Xiao Xiuhua | Mercury-free zinc-manganese and zinc-silver button battery |
| CN102544412A (en) * | 2012-01-11 | 2012-07-04 | 刘膑 | Method for manufacturing mercury-free and lead-free button battery |
| CN102544412B (en) * | 2012-01-11 | 2014-02-05 | 刘膑 | Method for manufacturing mercury-free and lead-free button battery |
| CN102983295A (en) * | 2012-12-18 | 2013-03-20 | 河南创力新能源科技有限公司 | Hydrogen-nickel buckle type battery and negative pole cover thereof |
| CN103618095A (en) * | 2013-02-07 | 2014-03-05 | 卢鉴全 | Non-mercury button battery and preparation method thereof |
| CN103560214A (en) * | 2013-11-16 | 2014-02-05 | 佛山市南海新光电池材料有限公司 | Mercury-free and lead-free environment-friendly button cell and manufacturing method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150603 Granted publication date: 20060830 |