JPH01179356U - - Google Patents
Info
- Publication number
- JPH01179356U JPH01179356U JP7637188U JP7637188U JPH01179356U JP H01179356 U JPH01179356 U JP H01179356U JP 7637188 U JP7637188 U JP 7637188U JP 7637188 U JP7637188 U JP 7637188U JP H01179356 U JPH01179356 U JP H01179356U
- Authority
- JP
- Japan
- Prior art keywords
- cylindrical battery
- thin
- vent hole
- periphery
- gas vent
- 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.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims description 3
- 238000010248 power generation Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- Y02E60/12—
Landscapes
- Gas Exhaust Devices For Batteries (AREA)
Description
第１図はこの考案に係る防爆構造の筒形アルカ
リ電池を示す断面図、第２図は同防爆構造の要部
を示す拡大断面図、第３図は同部分における破孔
を生じた状態を示す拡大断面図、第４図は従来の
防爆構造を備えた筒形アルカリ電池を示す断面図
である。
１０……正極缶（ケース）、１２……封口ガス
ケツト、１４……負極端子板、１６……負極集電
棒、１８，２０，２２……発電要素（１８……ゲ
ル状負極亜鉛、２０……セパレータ、２２……正
極合剤）、２４……薄肉部、２６……ガス抜き孔
、２８……切刃。
Fig. 1 is a sectional view showing a cylindrical alkaline battery with an explosion-proof structure according to this invention, Fig. 2 is an enlarged sectional view showing the main part of the same explosion-proof structure, and Fig. 3 shows a state in which a hole has occurred in the same part. The enlarged cross-sectional view shown in FIG. 4 is a cross-sectional view showing a conventional cylindrical alkaline battery having an explosion-proof structure. 10... Positive electrode can (case), 12... Sealing gasket, 14... Negative electrode terminal plate, 16... Negative electrode current collector rod, 18, 20, 22... Power generation element (18... Gelified negative electrode zinc, 20... separator, 22... positive electrode mixture), 24... thin wall portion, 26... gas vent hole, 28... cutting blade.
Claims (1)
介して端子板を嵌合固着し、前記封口ガスケツト
によつてケース内部に充填された発電要素を密封
してなる筒形電池において、前記ガスケツトの周
縁部に円周状の薄肉部を形成するとともに、前記
端子板の薄肉部に対向する部分には少なくとも一
箇所以上のガス抜き孔を打ち抜き形成し、かつこ
のガス抜き孔の周縁に前記打ち抜きのバリによる
切刃を突出して前記薄肉部に対向させたことを特
徴とする筒形電池の防爆構造。 In a cylindrical battery in which a terminal plate is fitted and fixed to the opening surface of a bottomed cylindrical case through a sealing gasket, and a power generation element filled inside the case is sealed by the sealing gasket, the periphery of the gasket A thin circumferential portion is formed in the terminal plate, and at least one gas vent hole is punched out in a portion opposite to the thin portion of the terminal board, and a burr of the punching is formed on the periphery of the gas vent hole. An explosion-proof structure for a cylindrical battery, characterized in that a cutting edge of the cylindrical battery is protruded and opposed to the thin wall portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7637188U JPH055643Y2 (en) | 1988-06-10 | 1988-06-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7637188U JPH055643Y2 (en) | 1988-06-10 | 1988-06-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01179356U true JPH01179356U (en) | 1989-12-22 |
| JPH055643Y2 JPH055643Y2 (en) | 1993-02-15 |
Family
ID=31301398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7637188U Expired - Lifetime JPH055643Y2 (en) | 1988-06-10 | 1988-06-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH055643Y2 (en) |
-
1988
- 1988-06-10 JP JP7637188U patent/JPH055643Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH055643Y2 (en) | 1993-02-15 |
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