JPH11339769A - Injection port sealing device for battery - Google Patents

Injection port sealing device for battery

Info

Publication number
JPH11339769A
JPH11339769A JP10145353A JP14535398A JPH11339769A JP H11339769 A JPH11339769 A JP H11339769A JP 10145353 A JP10145353 A JP 10145353A JP 14535398 A JP14535398 A JP 14535398A JP H11339769 A JPH11339769 A JP H11339769A
Authority
JP
Japan
Prior art keywords
battery
sealing
injection hole
rivet
battery case
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.)
Pending
Application number
JP10145353A
Other languages
Japanese (ja)
Inventor
Kanehito Masumoto
兼人 増本
Seiichi Mizutani
精一 水谷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP10145353A priority Critical patent/JPH11339769A/en
Publication of JPH11339769A publication Critical patent/JPH11339769A/en
Pending legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Filling, Topping-Up Batteries (AREA)
  • Secondary Cells (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide high reliability without causing a leakage by providing a battery terminal having an injection port by tapping machining on a sealing plate, housing an electrode plate group in a battery case, sealing the opening part of the battery case by the sealing plate, injecting a liquid through the injection port, and screwing a screw to the injection port to seal it. SOLUTION: A sealing plate including an injection port sealing device comprises an upper gasket 2, a lid plate 1, a lower gasket 3, and a washer 6 integrally caulked by a rivet 4. The rivet 4 has a prepared hole extended into the battery in about the center part, which is tapping machined at an M of 0.8-M2 to form an injection port 4a in injection. After an electrolyte is injected through the injection port 4a of the rivet 4, the injection port 4a is sealed by screwing a screw 6 to the tapped part of the rivet 4. Blown asphalt is applied between the screw and the rivet 4.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は電池の、特にその封
口板の注液孔封止装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery, and more particularly to a device for sealing a liquid injection hole of a sealing plate.

【０００２】[0002]

【従来の技術】従来のこの種の電池の注液孔封止装置を
含む封口板について図面を用いて説明する。2. Description of the Related Art A conventional sealing plate including a liquid injection hole sealing device for a battery of this type will be described with reference to the drawings.

【０００３】図５は従来の電池の注液孔封止装置を含む
封口板の構造を示す要部断面図であり、封口板における
アルミニウムの蓋板１０に注液孔１０ａが開けられてお
り、封止栓１１がこの注液孔１０ａに挿入され、この封
止栓鍔部１１ａの再外周部をレーザにてアルミニウムの
蓋板１０に溶接して注液孔１０ａを封止している。FIG. 5 is a cross-sectional view of a main part showing a structure of a sealing plate including a conventional liquid injection hole sealing device for a battery, in which a liquid injection hole 10a is opened in an aluminum lid plate 10 in the sealing plate. The sealing plug 11 is inserted into the liquid injection hole 10a, and the outer peripheral portion of the sealing plug flange 11a is welded to the aluminum cover plate 10 by a laser to seal the liquid injection hole 10a.

【０００４】なお、アルミニウムの蓋板１０には表面に
当接した上ガスケット１２と裏面に当接した下ガスケッ
ト１３と、これらを貫通してリベット１４が挿入され、
下ガスケット１３に当接したワッシャー１５を介してカ
シメられている。ワッシャー１５には極板群に接続され
たリード線１６が溶接されていて、前記アルミニウムの
蓋板１０は電池ケース１７の開口部に液密に嵌合され
る。The aluminum cover plate 10 has an upper gasket 12 in contact with the front surface, a lower gasket 13 in contact with the back surface, and a rivet 14 inserted therethrough.
It is swaged via a washer 15 in contact with the lower gasket 13. A lead wire 16 connected to the electrode plate group is welded to the washer 15, and the aluminum cover plate 10 is fitted in an opening of the battery case 17 in a liquid-tight manner.

【０００５】[0005]

【発明が解決しようとする課題】しかしながら、このよ
うな封止栓１１の外周の封止栓鍔部１１ａをレーザを用
いてアルミニウムの蓋板１０に溶接して封止する手段で
は、電池ケース１７の内部からの電解液の這い上がり
や、注液時のアルミニウムの蓋板１０と封止栓鍔部１１
ａの溶接部への電解液の付着などによりレーザ溶接に不
具合が起こると孔あきが発生し、それが電解液漏出の原
因となる問題点があった。However, such means for welding the sealing plug flange portion 11a on the outer periphery of the sealing plug 11 to the aluminum cover plate 10 using a laser to seal the battery case Of the electrolytic solution from the inside of the container, the aluminum cover plate 10 and the sealing stopper flange 11 at the time of injection.
When a problem occurs in laser welding due to the adhesion of the electrolyte to the welded portion a, a hole is formed, which causes a problem of leakage of the electrolyte.

【０００６】そこで、本発明は前記する従来の問題点を
解消することを課題とし、漏液がなく高い信頼性を有す
る電池の注液孔封止装置を提供することを目的とする。SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to solve the above-mentioned conventional problems, and an object of the present invention is to provide a liquid injection hole sealing device for a battery having no liquid leakage and high reliability.

【０００７】[0007]

【課題を解決するための手段】この課題を解決するため
に本発明は、極板群と電解液を内部に収容する電池ケー
スと、この電池ケースの開口部を封止する封口板を備え
ていて、前記封口板はタップ加工による注液孔を設けた
電池端子を有し、電池ケースに極板群を収容し封口板に
て電池ケースの開口部を封止した後、前記注液孔より注
液した後、前記注液孔にねじを螺入して封止するか、あ
るいは電池端子の上部に開けた注液孔よりも大きな径の
座グリを設け、この座グリに樹脂シートを挿入し、その
上から金属リングを挿入し、樹脂シートを圧縮状態にし
て金属リングと電池端子をカシメるか、または溶接にて
固定することとしたものである。According to the present invention, there is provided a battery case for accommodating an electrode group and an electrolyte therein, and a sealing plate for sealing an opening of the battery case. The sealing plate has a battery terminal provided with a liquid injection hole formed by tapping, accommodates the electrode plate group in a battery case, and seals the opening of the battery case with the sealing plate. After the liquid is injected, a screw is screwed into the liquid injection hole to seal it, or a counterbore with a diameter larger than the liquid injection hole opened in the upper part of the battery terminal is provided, and the resin sheet is inserted into this counterbore. Then, a metal ring is inserted from above, the resin sheet is compressed, and the metal ring and the battery terminal are fixed by caulking or welding.

【０００８】そして、上記手段は封止栓を封口板に溶接
するものではないから溶接による孔あきが発生すること
がなく、孔あきによる電解液漏液がなく高い信頼性が得
られる。Since the above-mentioned means does not weld the sealing plug to the sealing plate, there is no occurrence of perforation due to welding, and there is no electrolyte leakage due to perforation, and high reliability can be obtained.

【０００９】[0009]

【発明の実施の形態】本発明は、各請求項に記載した構
成とすることにより実施できるものである。すなわち、
請求項１に記載のように、極板群と電解液を内部に収容
する電池ケースと、この電池ケースの開口部を封止する
封口板を備えていて、前記封口板はタップ加工による注
液孔を設けた電池端子を有し、電池ケースに極板群を収
容し封口板にて電池ケースの開口部を封止した後、前記
注液孔より注液した後、前記注液孔にねじを螺入して封
止したことにより、電池ケース内部からの電解液の這い
上がりを阻止することができる。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention can be embodied by the constitution described in each claim. That is,
A battery case for accommodating an electrode plate group and an electrolytic solution therein, and a sealing plate for sealing an opening of the battery case, wherein the sealing plate is filled by tapping. After having a battery terminal provided with a hole, accommodating the electrode plate group in the battery case, sealing the opening of the battery case with a sealing plate, injecting the liquid from the liquid injection hole, and screwing the liquid injection hole into the liquid case. Is screwed in and sealed, so that the electrolytic solution from inside the battery case can be prevented from climbing up.

【００１０】また、請求項２に記載のように、ねじは皿
ねじ、または、なべねじとしたことにより、電池端子上
面よりねじ頭が出ないようにすることができる。[0010] Further, the screw can be a flathead screw or a pan screw so that the screw head does not come out from the upper surface of the battery terminal.

【００１１】また、請求項３に記載のように、ねじと電
池端子との間にブロンアスファルトを塗着したことによ
り、ねじ部にブロンアスファルトを介在させて封止性を
向上することができる。[0011] Further, by applying the bron asphalt between the screw and the battery terminal, it is possible to improve the sealing performance by interposing the bron asphalt in the screw portion.

【００１２】また、請求項４に記載のように、電池端子
の上部に注液孔よりも大きな径の座グリを設け、この座
グリに樹脂シートを挿入し、その上から金属リングを挿
入し、樹脂シートを圧縮状態にして金属リングと電池端
子をカシメ、または溶接によって固定することにより、
ねじ加工をなくし組み立て性を向上させることができ
る。Further, as set forth in claim 4, a counterbore having a diameter larger than the injection hole is provided above the battery terminal, a resin sheet is inserted into the counterbore, and a metal ring is inserted from above. By compressing the resin sheet and fixing the metal ring and battery terminal by crimping or welding,
Screw processing can be eliminated, and assemblability can be improved.

【００１３】また、請求項５に記載のように、電池端子
は封口板にカシメたリベットとすることにより、簡単に
構成できる。Further, the battery terminal can be simply constructed by using rivets which are caulked to the sealing plate.

【００１４】なお、電池ケースは角形であっても、円筒
形または楕円筒形であってもよい。そして封口板は防爆
弁を有する構成とすることとしてもよい。The battery case may be rectangular, cylindrical or elliptical. The sealing plate may have an explosion-proof valve.

【００１５】以下、本発明の実施の形態の具体例につい
て、図１から図４を用いて説明する。Hereinafter, a specific example of an embodiment of the present invention will be described with reference to FIGS.

【００１６】（実施の形態１）図１は本発明の実施の形
態に係る注液孔封止装置を含む封口板を示す要部断面図
である。同図において、この注液孔封止装置を含む封口
板は、アルミニウムの蓋板１と、この蓋板１の表面に当
接した弾力性のある上ガスケット２と、裏面に当接した
下ガスケット３と、前記上ガスケット２と下ガスケット
３を貫通して挿入した電池端子となるリベット４と、下
ガスケット３に当接したワッシャー５を備えていて、リ
ベット４により上ガスケット２，蓋板１，下ガスケット
３，ワッシャー５は一体にカシメられている。(Embodiment 1) FIG. 1 is a sectional view showing a main part of a sealing plate including a liquid injection hole sealing device according to an embodiment of the present invention. In FIG. 1, a sealing plate including the liquid injection hole sealing device includes an aluminum cover plate 1, an elastic upper gasket 2 in contact with the surface of the cover plate 1, and a lower gasket in contact with the back surface. 3, a rivet 4 serving as a battery terminal inserted through the upper gasket 2 and the lower gasket 3, and a washer 5 in contact with the lower gasket 3. The lower gasket 3 and the washer 5 are integrally caulked.

【００１７】リベット４には、ほぼ中心部分において電
池の内部にかけて貫通された下孔にＭが０．８から２程
度までのタップ加工が施されており、注液時の注液孔４
ａとなる。In the rivet 4, a tap hole having M of about 0.8 to about 2 is formed in a pilot hole penetrating through the inside of the battery at a substantially central portion.
a.

【００１８】これらの構成において、リベット４の注液
孔４ａより電解液の注液を行った後、注液孔４ａを封止
するのにリベット４に施されたタップ部にねじ６を螺入
することにより封止を行う。なお５ａはワッシャー５に
一端を溶着し他端を極板群に接続したリード線である。In these configurations, after the electrolyte is injected from the injection hole 4a of the rivet 4, a screw 6 is screwed into a tap portion provided on the rivet 4 to seal the injection hole 4a. To perform sealing. 5a is a lead wire having one end welded to the washer 5 and the other end connected to the electrode plate group.

【００１９】（実施の形態２）図２は本発明の実施の形
態２に係る注液孔封止装置を含む封口板を示す要部断面
図である。同図において、この注液孔封止装置を含む封
口板は、アルミニウムの蓋板１と、この蓋板１の表面に
当接した上ガスケット２と、裏面に当接した下ガスケッ
ト３と、これらを貫通して挿入された電池端子の機能を
するリベット４を備えていて、下ガスケット３に当接し
たワッシャー５を介しリベット４によりカシメられてい
る。５ａは電池ケース内の極板群とワッシャー５を接続
するリード線である。(Embodiment 2) FIG. 2 is a sectional view of a main part showing a sealing plate including a liquid injection hole sealing device according to Embodiment 2 of the present invention. In FIG. 1, a sealing plate including the liquid injection hole sealing device includes an aluminum cover plate 1, an upper gasket 2 in contact with the surface of the cover plate 1, a lower gasket 3 in contact with the back surface, and And a rivet 4 functioning as a battery terminal inserted therethrough, and is caulked by the rivet 4 via a washer 5 in contact with the lower gasket 3. 5a is a lead wire for connecting the washer 5 to the electrode plate group in the battery case.

【００２０】リベット４には、ほぼ中心部分において電
池の内部にかけて貫通された下孔にＭが０．８から２程
度までのタップ加工が施されており、注液時の注液孔４
ａとなる。In the rivet 4, a tap hole having M of about 0.8 to about 2 is formed in a pilot hole penetrating into the inside of the battery at a substantially central portion.
a.

【００２１】これらの構成において、リベット４の注液
孔４ａより電解液の注液を行った後、その注液孔４ａを
封止するのにリベット４に施されたタップ部に皿モミ加
工をして皿ねじ７を螺入することにより、ねじの頭をリ
ベット４の上面より出ないようにして封止を行うことが
できる。In these arrangements, after the electrolyte is injected from the injection hole 4a of the rivet 4, the tapping portion provided on the rivet 4 is subjected to flat fir processing to seal the injection hole 4a. By screwing the countersunk screw 7 in this way, sealing can be performed so that the head of the screw does not protrude from the upper surface of the rivet 4.

【００２２】なお、リベット４に座グリ加工をして、そ
の座グリになべねじを螺入しても、なべねじの頭がリベ
ット４の上面より突出することはない。Even if the rivet 4 is counterbored and a pan screw is screwed into the counterbore, the head of the pan screw does not protrude from the upper surface of the rivet 4.

【００２３】（実施の形態３）図３は本発明の実施の形
態３に係る注液孔封止装置を含む封口板を示す要部断面
図である。同図において、この注液孔封止装置を含む封
口板は、アルミニウムの蓋板１と、この蓋板１の表面に
当接した上ガスケット２と、裏面に当接した下ガスケッ
ト３と、これらを貫通して挿入した電池端子の機能をす
るリベット４を備えていて、下ガスケット３に当接した
ワッシャー５を介しリベット４によりカシメられてい
る。５ａは電池ケース内の極板群とワッシャー５を接続
するリード線である。(Embodiment 3) FIG. 3 is a sectional view showing a main part of a sealing plate including a liquid injection hole sealing device according to Embodiment 3 of the present invention. In FIG. 1, a sealing plate including the liquid injection hole sealing device includes an aluminum cover plate 1, an upper gasket 2 in contact with the surface of the cover plate 1, a lower gasket 3 in contact with the back surface, and Is provided with a rivet 4 which functions as a battery terminal inserted therethrough, and is caulked by the rivet 4 via a washer 5 in contact with the lower gasket 3. 5a is a lead wire for connecting the washer 5 to the electrode plate group in the battery case.

【００２４】リベット４には、ほぼ中心部分において電
池の内部にかけて貫通された下孔にＭが０．８から２程
度までのタップ加工が施されており、注液時の注液孔４
ａとなる。The rivet 4 is provided with a tap hole having an M of about 0.8 to about 2 in a lower hole penetrated to the inside of the battery at a substantially central portion.
a.

【００２５】これらの構成において、リベット４の注液
孔４ａより電解液の注液を行った後、注液孔４ａを封止
するのにリベット４に施されたタップ部またはあらかじ
め皿ねじ７のねじ部にブロンアスファルト膜８を塗着し
て皿ねじ７を螺入することにより封止を行う。In these configurations, after the electrolyte is injected from the injection hole 4 a of the rivet 4, a tap portion formed on the rivet 4 or a countersunk screw 7 in advance is used to seal the injection hole 4 a. Sealing is performed by applying a bron asphalt film 8 to the screw portion and screwing a countersunk screw 7.

【００２６】（実施の形態４）図４は本発明の実施の形
態４に係る注液孔封止装置を含む封口板を示す要部断面
図である。同図において、この注液孔封止装置を含む封
口板は、アルミニウムの蓋板１と、この蓋板１の表面に
当接した上ガスケット２と、裏面に当接した下ガスケッ
ト３と、これらを貫通して挿入し電池端子の機能をする
リベット４を備えていて、下ガスケット３に当接したワ
ッシャー５を介しリベット４によりカシメられている。
５ａは電池ケース内の極板群とワッシャー５を接続する
リード線である。(Embodiment 4) FIG. 4 is a sectional view showing a main part of a sealing plate including a liquid injection hole sealing device according to Embodiment 4 of the present invention. In FIG. 1, a sealing plate including the liquid injection hole sealing device includes an aluminum cover plate 1, an upper gasket 2 in contact with the surface of the cover plate 1, a lower gasket 3 in contact with the back surface, and And a rivet 4 which functions as a battery terminal by being inserted therethrough, and is caulked by the rivet 4 via a washer 5 in contact with the lower gasket 3.
5a is a lead wire for connecting the washer 5 to the electrode plate group in the battery case.

【００２７】リベット４には、ほぼ中心部分において電
池の内部にかけて貫通された下孔に座グリ４ｂが施され
ており、注液時の注液孔４ａとなる。The rivet 4 is provided with a counterbore 4b in a lower hole that penetrates to the inside of the battery at a substantially central portion, and serves as a liquid injection hole 4a at the time of liquid injection.

【００２８】これらの構成において、リベット４の注液
孔４ａより電解液の注液を行った後、座グリ４ｂに樹脂
シート９を挿入し、その上に金属リング１０を挿入し、
リベット４の上面をカシメるかまたは溶着するか、また
は接着等により固定し封止を行う。この場合、溶着を行
ったとしてもそれは金属リング１０とリベット４を固定
するためであり、注液孔４ａの封止は圧縮状態の樹脂シ
ート９でなされるため、溶接の不具合が漏液の原因とな
ることはない。さらにこの時、座グリ４ｂと樹脂シート
９、樹脂シート９と金属リング１０との間にブロンアス
ファルトを塗着し封止性を高めることもできる。In these configurations, after the electrolyte is injected from the injection hole 4a of the rivet 4, the resin sheet 9 is inserted into the spot facing 4b, and the metal ring 10 is inserted thereon.
The upper surface of the rivet 4 is caulked or welded, or is fixed by bonding or the like to perform sealing. In this case, even if welding is performed, it is for fixing the metal ring 10 and the rivet 4, and the injection hole 4a is sealed with the compressed resin sheet 9, so that welding failure may cause a liquid leakage. Will not be. Further, at this time, bron asphalt can be applied between the spot facing 4b and the resin sheet 9 and between the resin sheet 9 and the metal ring 10 to enhance the sealing property.

【００２９】[0029]

【発明の効果】以上のように本発明によれば、注液孔を
ねじを用いて封止するか、あるいは樹脂シートを圧縮状
態にして封止することにより、従来のようにレーザ溶接
により注液孔を封止する必要がないため、従来のレーザ
溶接の不具合に起因する漏液がない。As described above, according to the present invention, the injection hole is sealed by using a screw, or the resin sheet is sealed in a compressed state, thereby performing injection by laser welding as in the conventional case. Since there is no need to seal the liquid hole, there is no liquid leakage due to the problem of the conventional laser welding.

【図面の簡単な説明】[Brief description of the drawings]

【図１】本発明の実施の形態１における注液孔封止装置
を含む封口板の要部断面図FIG. 1 is a cross-sectional view of a main part of a sealing plate including a liquid injection hole sealing device according to a first embodiment of the present invention.

【図２】同実施の形態２における注液孔封止装置を含む
封口板の要部断面図FIG. 2 is an essential part cross-sectional view of a sealing plate including a liquid injection hole sealing device according to the second embodiment.

【図３】同実施の形態３における注液孔封止装置を含む
封口板の要部断面図FIG. 3 is a cross-sectional view of a main part of a sealing plate including a liquid injection hole sealing device according to the third embodiment.

【図４】同実施の形態４における注液孔封止装置を含む
封口板の要部断面図FIG. 4 is a cross-sectional view of a main part of a sealing plate including a liquid injection hole sealing device according to the fourth embodiment.

【図５】従来の注液孔封止装置を含む封口板の要部断面
図FIG. 5 is a sectional view of a main part of a sealing plate including a conventional liquid injection hole sealing device.

【符号の説明】 １ 蓋板 ２ 上ガスケット ３ 下ガスケット ４ リベット（電池端子） ４ａ 注液孔 ４ｂ 座グリ ５ ワッシャー ５ａ リード線 ６ ねじ ７ 皿ねじ ８ ブロンアスファルト膜 ９ 樹脂シート １０ 金属リング[Explanation of Signs] 1 lid plate 2 upper gasket 3 lower gasket 4 rivet (battery terminal) 4a Filling hole 4b Counterbore 5 Washer 5a Lead wire 6 Screw 7 Countersunk screw 8 Bron asphalt film 9 Resin sheet 10 Metal ring

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 極板群と電解液を内部に収容する電池ケ
ースと、この電池ケースの開口部を封止する封口板とを
備えていて、前記封口板はタップ加工による注液孔を設
けた電池端子を有し、電池ケースに極板群を収容し前記
封口板にて前記電池ケースの開口部を封止した後、前記
注液孔より注液をした後、前記注液孔にねじを螺入して
封止したことを特徴とする電池の注液孔封止装置。1. A battery case accommodating an electrode group and an electrolytic solution therein, and a sealing plate for sealing an opening of the battery case, wherein the sealing plate is provided with a liquid injection hole formed by tapping. After the battery case is housed in the battery case, the electrode group is accommodated, the opening of the battery case is sealed with the sealing plate, the liquid is injected from the liquid injection hole, and a screw is screwed into the liquid injection hole. A liquid injection hole sealing device for a battery, wherein the device is sealed by screwing. 【請求項２】 ねじは皿ねじ、または、なべねじとした
ことを特徴とする請求項１記載の電池の注液孔封止装
置。2. The apparatus according to claim 1, wherein the screw is a flathead screw or a pan screw. 【請求項３】 ねじと電池端子の間に、ブロンアスファ
ルトを塗着したことを特徴とする請求項１または２記載
の電池の注液孔封止装置。3. The battery filling hole sealing device according to claim 1, wherein bron asphalt is applied between the screw and the battery terminal. 【請求項４】 極板群と電解液を内部に収容する電池ケ
ースと、この電池ケースの開口部を封止する封口板とを
備えていて、前記封口板は注液孔を設けた電池端子を有
し、電池ケースに極板群を収容し前記封口板にて前記電
池ケースの開口部を封止した後、前記電池端子の上部に
前記注液孔よりも径の大きな座グリを設け、この座グリ
に樹脂シートを挿入し、その上から金属リングを挿入
し、樹脂シートを圧縮状態にして、金属リングと電池端
子をカシメるか、または溶接によって固定したことを特
徴とする電池の注液孔封止装置。4. A battery case for accommodating an electrode group and an electrolyte therein, and a sealing plate for sealing an opening of the battery case, wherein the sealing plate is provided with a battery terminal provided with a liquid injection hole. After accommodating the electrode group in the battery case and sealing the opening of the battery case with the sealing plate, a counterbore with a diameter larger than the liquid injection hole is provided on the upper part of the battery terminal, A resin sheet is inserted into the spot facing, a metal ring is inserted from above, the resin sheet is compressed, and the metal ring and the battery terminal are fixed by caulking or welding. Liquid hole sealing device. 【請求項５】 電池端子は封口板にカシメたリベットと
したことを特徴とする請求項１ないし４のいずれかに記
載した電池の注液孔封止装置。5. The liquid injection hole sealing device for a battery according to claim 1, wherein the battery terminal is a rivet formed by caulking a sealing plate.
JP10145353A 1998-05-27 1998-05-27 Injection port sealing device for battery Pending JPH11339769A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10145353A JPH11339769A (en) 1998-05-27 1998-05-27 Injection port sealing device for battery

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10145353A JPH11339769A (en) 1998-05-27 1998-05-27 Injection port sealing device for battery

Publications (1)

Publication Number Publication Date
JPH11339769A true JPH11339769A (en) 1999-12-10

Family

ID=15383242

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10145353A Pending JPH11339769A (en) 1998-05-27 1998-05-27 Injection port sealing device for battery

Country Status (1)

Country Link
JP (1) JPH11339769A (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003217986A (en) * 2002-01-23 2003-07-31 Meidensha Corp Laminated electric double layer capacitor
KR100658680B1 (en) 2005-04-08 2006-12-15 삼성에스디아이 주식회사 Secondary battery and method for fabricating thereof
KR101118700B1 (en) * 2010-01-13 2012-03-13 주식회사 루트제이드 Secondary battery
JP2012059492A (en) * 2010-09-08 2012-03-22 Gs Yuasa Corp Power storage device
US20120258355A1 (en) * 2011-04-05 2012-10-11 Min-Hyung Guen Rechargeable battery
CN110581238A (en) * 2018-06-08 2019-12-17 罗伯特·博世有限公司 battery cell, battery module, and method for manufacturing battery module
WO2023023915A1 (en) * 2021-08-23 2023-03-02 宁德时代新能源科技股份有限公司 Battery cell, fabrication method and fabrication system therefor, battery and electrical device
WO2023092441A1 (en) * 2021-11-26 2023-06-01 宁德时代新能源科技股份有限公司 Battery cell and manufacturing method and device therefor, battery, and electrical device

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003217986A (en) * 2002-01-23 2003-07-31 Meidensha Corp Laminated electric double layer capacitor
KR100658680B1 (en) 2005-04-08 2006-12-15 삼성에스디아이 주식회사 Secondary battery and method for fabricating thereof
KR101118700B1 (en) * 2010-01-13 2012-03-13 주식회사 루트제이드 Secondary battery
JP2012059492A (en) * 2010-09-08 2012-03-22 Gs Yuasa Corp Power storage device
US20120258355A1 (en) * 2011-04-05 2012-10-11 Min-Hyung Guen Rechargeable battery
KR101244735B1 (en) * 2011-04-05 2013-03-18 로베르트 보쉬 게엠베하 Rechargeable battery
US8999569B2 (en) 2011-04-05 2015-04-07 Samsung Sdi Co., Ltd. Rechargeable battery including a terminal connecting member
CN110581238A (en) * 2018-06-08 2019-12-17 罗伯特·博世有限公司 battery cell, battery module, and method for manufacturing battery module
WO2023023915A1 (en) * 2021-08-23 2023-03-02 宁德时代新能源科技股份有限公司 Battery cell, fabrication method and fabrication system therefor, battery and electrical device
WO2023092441A1 (en) * 2021-11-26 2023-06-01 宁德时代新能源科技股份有限公司 Battery cell and manufacturing method and device therefor, battery, and electrical device

Similar Documents

Publication Publication Date Title
JP2018116799A (en) Sealing body of cylindrical cell and cylindrical cell
JPH11339769A (en) Injection port sealing device for battery
JP2000138055A (en) Nonaqueous electrolyte battery
JP2006313818A (en) Sealing plate with external terminal and its manufacturing method
JP2007035343A (en) Sealed battery
JP2000138056A (en) Nonaqueous electrolyte battery
JP2002075328A (en) Sealed lead-acid battery
JP2003229118A (en) Sealing structure of liquid pouring port of battery
JP4613728B2 (en) Capacitor
JP2000208130A (en) Sealed battery
US3488227A (en) Hermetic seal closure for an electrochemical cell
JP2013143370A (en) Sealing plate for sealed electrochemical device
JP2002216717A (en) Sealed lead-acid battery
JP2007035816A (en) Capacitor
JP3783082B2 (en) Sealed battery
JPH11224651A (en) Cylindrical battery filled with nonaqueous electrolyte and its manufacture
JP2003217531A (en) Sealed battery
JP2600245Y2 (en) Square sealed battery
JP4613730B2 (en) Capacitor
CN218385667U (en) Battery cover plate assembly, battery and vehicle
JP2001351609A (en) Penetrating type sealed terminal and battery
JP2007035818A (en) Capacitor
JP2009266925A (en) Capacitor
JPH01163961A (en) Organic electrolyte battery
JPH01232658A (en) Manufacture of battery