JP2549636Y2 - Cylindrical battery - Google Patents
Cylindrical batteryInfo
- Publication number
- JP2549636Y2 JP2549636Y2 JP1050493U JP1050493U JP2549636Y2 JP 2549636 Y2 JP2549636 Y2 JP 2549636Y2 JP 1050493 U JP1050493 U JP 1050493U JP 1050493 U JP1050493 U JP 1050493U JP 2549636 Y2 JP2549636 Y2 JP 2549636Y2
- Authority
- JP
- Japan
- Prior art keywords
- anode
- separator
- outer peripheral
- cylindrical battery
- bead portion
- 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
Links
Classifications
-
- Y02E60/12—
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Primary Cells (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、製造工程や部品点数を
増やすことなく陽極端子の耐変形強度の向上を図ること
が出来る筒形電池に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylindrical battery capable of improving the deformation resistance of an anode terminal without increasing the number of manufacturing steps and the number of parts.
【０００２】[0002]
【従来の技術】図３は従来の筒形電池の一例を示す半断
面図である。2. Description of the Related Art FIG. 3 is a half sectional view showing an example of a conventional cylindrical battery.
【０００３】最近、筒形アルカリ電池などの筒形電池に
おいては、内容積の増加による放電性能の向上を図るた
めラベル外装方式が主流となってきたが、ＬＲ２０のよ
うな大きいサイズの筒形電池では、陽極端子の強度が不
足し、落下時の衝撃によって容易に陽極端子が凹んで実
用上支障を来す虞がある。そのため、陽極端子と陽極缶
とを別部品として最終的にスポット溶接で一体に組み立
てるか、或いは、図３に示すように、陽極端子３と一体
の陽極缶２の内側に補強部材として金属板１５を当接さ
せて補強する等の方法が採られていた。Recently, in the case of cylindrical batteries such as cylindrical alkaline batteries, a label exterior system has become the mainstream in order to improve the discharge performance by increasing the internal volume. However, large-sized cylindrical batteries such as the LR20 have been used. In this case, the strength of the anode terminal is insufficient, and the anode terminal may be easily dented by a shock at the time of dropping, which may cause a practical problem. Therefore, the anode terminal and the anode can are separately assembled as a separate part and finally assembled integrally by spot welding, or, as shown in FIG. 3, a metal plate 15 is provided inside the anode can 2 integrated with the anode terminal 3 as a reinforcing member. A method of contacting and reinforcing.
【０００４】[0004]
【考案が解決しようとする課題】しかし、前者の方法に
よる筒形電池では、陽極端子３と陽極缶２との溶接条件
の調整に手間が掛かるばかりか、この工程における不良
の発生が多いという欠点があった。一方、後者の方法に
よる筒形電池１では、溶接工程は不要となるものの、金
属板１５を用いるため必然的に部品点数が増加してしま
うという不都合があった。However, in the case of the cylindrical battery according to the former method, it is not only troublesome to adjust the welding conditions between the anode terminal 3 and the anode can 2 but also causes a lot of defects in this process. was there. On the other hand, in the case of the cylindrical battery 1 according to the latter method, although the welding step is not required, the use of the metal plate 15 has a disadvantage that the number of parts inevitably increases.
【０００５】更に、両者に共通する問題点として、陽極
缶２内の陽極合剤５と陰極７を分離するセパレータ６の
底部（図３上部）を閉塞する隔離材９と該セパレータ６
との接着部分が限定され、シール不足に起因する電圧不
良を十分に防ぐことが出来ないということが挙げられ
る。[0005] Further, a problem common to both is that a separator 9 for closing the bottom (upper part in FIG. 3) of the separator 6 for separating the anode mixture 5 and the cathode 7 in the anode can 2 and the separator 6
Is limited, and voltage failure due to insufficient sealing cannot be sufficiently prevented.
【０００６】本考案は、上記事情に鑑み、陽極端子の耐
変形強度を向上させる際に、製造工程や部品点数を増や
すことがなく、しかもシール不足に起因する電圧不良を
完全に防ぐことが可能な筒形電池を提供することを目的
とする。In view of the above circumstances, the present invention does not increase the number of manufacturing processes and the number of parts when improving the deformation resistance of the anode terminal, and can completely prevent voltage failure due to insufficient sealing. It is intended to provide a simple cylindrical battery.
【０００７】[0007]
【課題を解決するための手段】即ち、本考案は、電池ケ
ースを兼ねる陽極缶（２）に陽極端子（３）を一体に設
け、前記陽極端子の中央に突出部（３ａ）を形成し、前
記陽極端子に環状のビード部（３ｂ）を前記突出部と同
心円状に突設し、前記陽極缶内に陽極合剤（５）を装填
し、該陽極合剤の内側にセパレータ（６）を介して陰極
（７）を装填し、前記陽極缶と前記陰極との間に隔離材
（９）を介在させた筒形電池（１）において、前記ビー
ド部は、前記突出部の外周縁と前記陽極缶の外周部の略
中央に位置し、前記ビード部の幅（Ｗ１）は、前記突出
部の外周縁と前記陽極缶の外周部との間隔（Ｌ１）の１
／３以下であると共に、前記ビード部の高さ（Ｈ１）
は、前記陽極缶の厚さ（Ｔ１）の３倍以下であり、前記
セパレータを前記ビード部に挿入して構成される。According to the present invention, an anode terminal (3) is provided integrally with an anode can (2) also serving as a battery case, and a projection (3a) is formed at the center of the anode terminal. An annular bead (3b) is provided on the anode terminal so as to protrude concentrically with the projection, an anode mixture (5) is loaded into the anode can, and a separator (6) is placed inside the anode mixture. In a cylindrical battery (1) in which a cathode (7) is loaded through a separator, and a separator (9) is interposed between the anode can and the cathode, the bead portion is formed between the outer peripheral edge of the protruding portion and the outer peripheral edge of the projecting portion. The bead portion is located substantially at the center of the outer peripheral portion of the anode can, and the width (W1) of the bead portion is one of the interval (L1) between the outer peripheral edge of the projecting portion and the outer peripheral portion of the anode can.
/ 3 or less and the height of the bead portion (H1)
Is not more than three times the thickness (T1) of the anode can, and is configured by inserting the separator into the bead portion.
【０００８】なお、括弧内の番号等は、図面における対
応する要素を表わす便宜的なものであり、従って、本考
案は図面上の記載に限定拘束されるものではない。この
ことは、「実用新案登録請求の範囲」及び「作用」の欄
についても同様である。The numbers in parentheses and the like are for convenience showing the corresponding elements in the drawings, and therefore, the present invention is not limited to the description on the drawings. The same applies to the fields of “claims for registering utility model” and “action”.
【０００９】[0009]
【作用】上記した構成により、本考案は、セパレータ
（６）が陽極端子（３）のビード部（３ｂ）に当接して
いるため、セパレータと隔離材（９）との接触面積がそ
の分だけ広くなるように作用する。According to the present invention, the separator (6) is in contact with the bead portion (3b) of the anode terminal (3), so that the contact area between the separator and the separator (9) is reduced by that much. Acts to be wide.
【００１０】[0010]
【実施例】以下、本考案の実施例を図面に基づいて説明
する。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings.
【００１１】図１は本考案による筒形電池の一実施例を
示す半断面図、図２は筒形電池の陽極端子の拡大断面図
であり、本考案に係るものを実線で、従来品を破線で表
わす。FIG. 1 is a half sectional view showing an embodiment of a cylindrical battery according to the present invention. FIG. 2 is an enlarged sectional view of an anode terminal of the cylindrical battery. It is represented by a broken line.
【００１２】本考案による筒形電池１は、図１に示すよ
うに、電池ケースを兼ねる円筒状の陽極缶２を有してお
り、陽極缶２には陽極端子３が一体に設けられている。
陽極端子３には、その中央に突出部３ａが形成されてい
ると共に、該突出部３ａの周囲に円環状のビード部３ｂ
が当該突出部３ａと同心円状に突設されている。また、
陽極缶２内には陽極合剤５が装填されており、陽極合剤
５の内側にはセパレータ６がその上端部を前記ビード部
３ｂに嵌挿した形で配設されている。セパレータ６の内
側には陰極７が装填されており、陰極７と前記陽極缶２
との間には、合成樹脂等の絶縁性材料からなる隔離材９
が介在している。また、陽極缶２の下側には封口ガスケ
ット１２を介して陰極端子１０が装着されており、陰極
端子１０には集電体１３が前記陰極７に嵌入した形で固
設されている。更に、陽極缶２の周囲にはラベルジャケ
ット１４が貼設されている。As shown in FIG. 1, a cylindrical battery 1 according to the present invention has a cylindrical anode can 2 also serving as a battery case, and the anode can 2 is provided with an anode terminal 3 integrally therewith. .
The anode terminal 3 has a projection 3a formed at the center thereof and an annular bead 3b around the projection 3a.
Are provided concentrically with the protruding portion 3a. Also,
An anode mixture 5 is loaded in the anode can 2, and a separator 6 is disposed inside the anode mixture 5 with its upper end inserted into the bead portion 3b. A cathode 7 is loaded inside the separator 6, and the cathode 7 and the anode can 2
And an insulating material 9 made of an insulating material such as a synthetic resin.
Is interposed. A cathode terminal 10 is mounted below the anode can 2 via a sealing gasket 12, and a current collector 13 is fixed to the cathode terminal 10 so as to be fitted into the cathode 7. Further, a label jacket 14 is attached around the anode can 2.
【００１３】ところで、前記陽極端子３のビード部３ｂ
は、図２に示すように、突出部３ａの外周縁と前記陽極
缶の外周部の略中央に位置し、該ビード部３ｂの幅Ｗ１
は、突出部３ａの外周縁と陽極缶２の外周部との間隔Ｌ
１の１／３以下であると共に、該ビード部３ｂの高さＨ
１は、陽極缶２の厚さＴ１の３倍以下である。The bead portion 3b of the anode terminal 3
As shown in FIG. 2, is located at the outer peripheral edge of the protruding portion 3a and substantially at the center of the outer peripheral portion of the anode can.
Is the distance L between the outer peripheral edge of the protrusion 3a and the outer peripheral portion of the anode can 2.
1/3 or less, and the height H of the bead portion 3b
1 is not more than three times the thickness T1 of the anode can 2.
【００１４】本考案による筒形電池１は以上のような構
成を有するので、セパレータ６の上端部が陽極端子３の
ビード部３ｂに当接しているため、セパレータ６と隔離
材９との接触面積がその分だけ広くなり、隔離材９のシ
ール効果が大きくなる。従って、シール不足に起因する
電圧不良を低減することが出来る。Since the cylindrical battery 1 according to the present invention has the above-described structure, the upper end of the separator 6 is in contact with the bead portion 3b of the anode terminal 3, so that the contact area between the separator 6 and the separator 9 is increased. Is increased by that amount, and the sealing effect of the isolation member 9 is increased. Therefore, voltage defects due to insufficient sealing can be reduced.
【００１５】また、筒形電池１の製造に際して、セパレ
ータ６の上端部を定位置に設置できることになるので、
セパレータ６の挿入時の不具合（挿入不良）を未然に防
止することが可能となる。Further, in manufacturing the cylindrical battery 1, the upper end of the separator 6 can be set at a fixed position.
It is possible to prevent a problem at the time of inserting the separator 6 (improper insertion).
【００１６】更に、筒形電池１の陽極端子３は、図２に
示すように、ビード部３ｂが中心寄りになっているた
め、衝撃時の変形量は少ない。また、ビード部３ｂの不
必要な高さ寸法を減ずることによって、長さＬ２に相当
する分だけ空気室量が増加することとなる。Further, as shown in FIG. 2, the anode terminal 3 of the cylindrical battery 1 has a bead portion 3b near the center, so that the amount of deformation upon impact is small. Further, by reducing the unnecessary height of the bead portion 3b, the amount of the air chamber is increased by an amount corresponding to the length L2.
【００１７】上述の効果を確認するため、本考案品、従
来品１（別部品である陽極端子３と陽極缶２とをスポッ
ト溶接したもの）及び従来品２（図３に示すように、陽
極端子３と一体の陽極缶２内に金属板１５を挿入したも
の）とを１００個ずつ製造し、これらについて落下変形
率、耐漏液性及び振動試験後の電圧不良個数等をそれぞ
れ調べた。その結果をまとめて表１に示す。落下変形率
は、鉄板上に１００cmの高さから自然落下させたときの
電池総高の減少率で表わし、耐漏液性は、温度６０℃、
相対湿度９０％で９０日間保存した後の漏液個数で表わ
した。In order to confirm the above-mentioned effects, the present invention, the conventional product 1 (a spot welding of the anode terminal 3 and the anode can 2 as separate parts) and the conventional product 2 (as shown in FIG. 100 pieces each having the metal plate 15 inserted in the anode can 2 integrated with the terminal 3 were manufactured, and the drop deformation rate, the liquid leakage resistance, the number of voltage defects after the vibration test, and the like were examined. The results are summarized in Table 1. The drop deformation rate is represented by the reduction rate of the total battery height when the battery is naturally dropped from a height of 100 cm on an iron plate.
It was represented by the number of leaked liquids after storage at 90% relative humidity for 90 days.
【００１８】[0018]
【表１】 [Table 1]
【００１９】表１から明らかなように、本考案品は、従
来品１、２と比べて、落下変形率が低下している（即
ち、耐変形強度が向上している）と共に、空気室量が増
加している。また、本考案品は、従来品１、２と比べ
て、耐漏液性が向上していると共に、振動試験後の電圧
不良個数が減少していることが判る。As is clear from Table 1, the product of the present invention has a lower drop deformation rate (that is, improved deformation resistance) and a smaller air chamber volume than the conventional products 1 and 2. Is increasing. Further, it can be seen that the product of the present invention has improved liquid leakage resistance and a reduced number of voltage failures after the vibration test as compared with the conventional products 1 and 2.
【００２０】[0020]
【考案の効果】以上説明したように、本考案によれば、
電池ケースを兼ねる陽極缶２に陽極端子３を一体に設
け、前記陽極端子３の中央に突出部３ａを形成し、前記
陽極端子３に環状のビード部３ｂを前記突出部３ａと同
心円状に突設し、前記陽極缶２内に陽極合剤５を装填
し、該陽極合剤５の内側にセパレータ６を介して陰極７
を装填し、前記陽極缶２と前記陰極７との間に隔離材９
を介在させた筒形電池１において、前記ビード部３ｂ
は、前記突出部３ａの外周縁と前記陽極缶２の外周部の
略中央に位置し、前記ビード部３ｂの幅Ｗ１は、前記突
出部３ａの外周縁と前記陽極缶２の外周部との間隔Ｌ１
の１／３以下であると共に、前記ビード部３ｂの高さＨ
１は、前記陽極缶２の厚さＴ１の３倍以下であり、前記
セパレータ６を前記ビード部３ｂに挿入して構成したの
で、セパレータ６が陽極端子３のビード部３ｂに当接し
ているため、セパレータ６と隔離材９との接触面積がそ
の分だけ広くなることから、筒形電池１の陽極端子３の
耐変形強度を向上させる際に、製造工程や部品点数を増
やすことがなく、シール不足に起因する電圧不良を完全
に防ぐと共に、セパレータ６の挿入不良を未然に防止す
ることが可能となる。[Effects of the Invention] As described above, according to the present invention,
An anode terminal 3 is integrally provided on an anode can 2 also serving as a battery case, a projection 3a is formed at the center of the anode terminal 3, and an annular bead 3b is formed on the anode terminal 3 concentrically with the projection 3a. The anode mixture 2 is loaded with the anode mixture 5, and the cathode 7 is placed inside the anode mixture 5 via the separator 6.
And a separator 9 between the anode can 2 and the cathode 7.
In the cylindrical battery 1 having the bead portion 3b, the bead portion 3b
Is located substantially at the center of the outer peripheral edge of the protruding portion 3a and the outer peripheral portion of the anode can 2. The width W1 of the bead portion 3b is determined by the distance between the outer peripheral edge of the protruding portion 3a and the outer peripheral portion of the anode can 2. Interval L1
And the height H of the bead portion 3b
1 is not more than three times the thickness T1 of the anode can 2 and the separator 6 is inserted into the bead portion 3b, so that the separator 6 is in contact with the bead portion 3b of the anode terminal 3. Since the contact area between the separator 6 and the separating member 9 is increased by that amount, the sealing process can be performed without increasing the manufacturing process or the number of parts when improving the deformation resistance of the anode terminal 3 of the cylindrical battery 1. In addition to completely preventing a voltage defect due to the shortage, it is possible to prevent a defective insertion of the separator 6 beforehand.
【図１】本考案による筒形電池の一実施例を示す半断面
図である。FIG. 1 is a half sectional view showing an embodiment of a cylindrical battery according to the present invention.
【図２】筒形電池の陽極端子の拡大断面図であり、本考
案に係るものを実線で、従来品を破線で表わす。FIG. 2 is an enlarged sectional view of an anode terminal of the cylindrical battery, in which the present invention is represented by a solid line and a conventional product is represented by a broken line.
【図３】従来の筒形電池の一例を示す半断面図である。FIG. 3 is a half sectional view showing an example of a conventional cylindrical battery.
１……筒形電池 ２……陽極缶 ３……陽極端子 ３ａ……突出部 ３ｂ……ビード部 ５……陽極合剤 ６……セパレータ ７……陰極 ９……隔離材 Ｗ１……ビード部の幅 Ｌ１……突出部の外周縁と陽極缶の外周部との間隔 Ｈ１……ビード部の高さ Ｔ１……陽極缶の厚さ DESCRIPTION OF SYMBOLS 1 ... Cylindrical battery 2 ... Anode can 3 ... Anode terminal 3a ... Protrusion 3b ... Bead part 5 ... Anode mixture 6 ... Separator 7 ... Cathode 9 ... Isolation material W1 ... Bead part L1 Distance between the outer peripheral edge of the protruding portion and the outer peripheral portion of the anode can H1 Height of the bead portion T1 Thickness of the anode can
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 平６−283148（ＪＰ，Ａ) 実開 平２−20269（ＪＰ，Ｕ) 実開 平４−116355（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of front page (56) References JP-A-6-283148 (JP, A) JP-A-2-20269 (JP, U) JP-A-4-116355 (JP, U)
Claims (1)
端子（３）を一体に設け、前記陽極端子の中央に突出部
（３ａ）を形成し、前記陽極端子に環状のビード部（３
ｂ）を前記突出部と同心円状に突設し、前記陽極缶内に
陽極合剤（５）を装填し、該陽極合剤の内側にセパレー
タ（６）を介して陰極（７）を装填し、前記陽極缶と前
記陰極との間に隔離材（９）を介在させた筒形電池
（１）において、 前記ビード部は、前記突出部の外周縁と前記陽極缶の外
周部の略中央に位置し、 前記ビード部の幅（Ｗ１）は、前記突出部の外周縁と前
記陽極缶の外周部との間隔（Ｌ１）の１／３以下である
と共に、 前記ビード部の高さ（Ｈ１）は、前記陽極缶の厚さ（Ｔ
１）の３倍以下であり、 前記セパレータを前記ビード部に挿入したことを特徴と
する筒形電池。An anode terminal (3) is integrally provided on an anode can (2) also serving as a battery case, a projection (3a) is formed at the center of the anode terminal, and an annular bead (3) is formed on the anode terminal.
b) is protruded concentrically with the protruding portion, an anode mixture (5) is loaded into the anode can, and a cathode (7) is loaded inside the anode mixture via a separator (6). In a cylindrical battery (1) in which a separator (9) is interposed between the anode can and the cathode, the bead portion is formed at an outer peripheral edge of the protruding portion and substantially at a center of an outer peripheral portion of the anode can. The width (W1) of the bead portion is not more than 1/3 of the distance (L1) between the outer peripheral edge of the protruding portion and the outer peripheral portion of the anode can, and the height (H1) of the bead portion Is the thickness of the anode can (T
The battery according to claim 1, wherein the separator is inserted into the bead portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1050493U JP2549636Y2 (en) | 1993-03-12 | 1993-03-12 | Cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1050493U JP2549636Y2 (en) | 1993-03-12 | 1993-03-12 | Cylindrical battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0670153U JPH0670153U (en) | 1994-09-30 |
| JP2549636Y2 true JP2549636Y2 (en) | 1997-09-30 |
Family
ID=11752043
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1050493U Expired - Fee Related JP2549636Y2 (en) | 1993-03-12 | 1993-03-12 | Cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2549636Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2011004522A1 (en) * | 2009-07-08 | 2011-01-13 | パナソニック株式会社 | Lr6 type battery |
-
1993
- 1993-03-12 JP JP1050493U patent/JP2549636Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0670153U (en) | 1994-09-30 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |