JPH1145696A - Sealed lead acid battery - Google Patents
Sealed lead acid batteryInfo
- Publication number
- JPH1145696A JPH1145696A JP9201587A JP20158797A JPH1145696A JP H1145696 A JPH1145696 A JP H1145696A JP 9201587 A JP9201587 A JP 9201587A JP 20158797 A JP20158797 A JP 20158797A JP H1145696 A JPH1145696 A JP H1145696A
- Authority
- JP
- Japan
- Prior art keywords
- terminal bushing
- pole
- lid
- battery
- 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.)
- Granted
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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】この発明は、電気自動車やレ
ジャー用機器等の電源として使用される密閉形鉛蓄電池
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealed lead-acid battery used as a power source for electric vehicles and leisure equipment.
【０００２】[0002]
【従来の技術】この種の密閉形鉛蓄電池はモノブロック
構造に構成されており、合成樹脂製の電槽の内部が隔壁
によって複数のセル室に区分されている。そして各セル
室内にそれぞれ極板群が収容され、各極板群の上部の極
板耳が陽・陰極ごとに分けてそれぞれ鉛合金製のストラ
ップにより接続され、その隣り合うセル室内のストラッ
プ同士が電槽の隔壁に形成された貫通孔を通して抵抗溶
接等により接続されている。そして電槽の最端側のセル
室内に配置したストラップには鉛合金製の極柱が一体的
に取り付けられている。2. Description of the Related Art A sealed lead-acid battery of this type is constructed in a monoblock structure, and the inside of a battery case made of synthetic resin is divided into a plurality of cell chambers by partition walls. Each of the electrode groups is accommodated in each cell chamber, and the upper plate ears of each of the electrode groups are divided into positive and negative electrodes and connected by lead alloy straps. They are connected by resistance welding or the like through through holes formed in the partition wall of the battery case. A lead alloy pole is integrally attached to the strap disposed in the cell chamber at the end of the battery case.
【０００３】電槽の上端の開口部には合成樹脂製の蓋体
が設けられ、この蓋体には鉛合金で中空状に形成され外
面に鍔状の凸部を有する端子ブッシングが蓋体の樹脂中
にモールドされて一体的に取り付けられ、この端子ブッ
シングの一部に蓋体の上面側に突出するように外部端子
としてのスタットボルトが一体的に設けられている。A lid made of a synthetic resin is provided at an opening at the upper end of the battery case, and a terminal bushing formed of a lead alloy in a hollow shape and having a flange-shaped convex portion on the outer surface is provided on the lid. A stud bolt as an external terminal is integrally provided at a part of the terminal bushing so as to protrude toward the upper surface side of the lid body.
【０００４】そして電槽の開口部に蓋体を取り付ける際
に、前記ブッシングの中空内に前記ストラップに取り付
けられた極柱が挿入され、その極柱の頂部と端子ブッシ
ングとがバーナーの火炎により溶接されている。When attaching the lid to the opening of the battery case, the pole attached to the strap is inserted into the hollow of the bushing, and the top of the pole and the terminal bushing are welded by the flame of the burner. Have been.
【０００５】図３および図４には、このような密閉形鉛
蓄電池の構造を示してあり、１が電槽、２が電槽１内の
セル室、３がセル室２内に収容された極板群である。極
板群３はセパレーターを介して交互に重なる陽・陰の複
数の極板からなり、その陽・陰の複数の極板の上端縁に
は互いに反対側に位置してそれぞれ極板耳が一体に形成
され、その陽極板の極板耳の相互、および陰極板の極板
耳の相互がそれぞれストラップを介して接続されてい
る。FIGS. 3 and 4 show the structure of such a sealed lead-acid battery, wherein 1 is a battery case, 2 is a cell room in the battery case 1, and 3 is housed in a cell room 2. FIG. It is an electrode group. The electrode plate group 3 is composed of a plurality of positive and negative electrode plates that are alternately overlapped with a separator interposed therebetween, and the upper and lower edges of the positive and negative electrode plates are located on opposite sides to each other, and each of the plate ears is integrated. The anode lugs of the anode plate and the cathode lugs of the cathode plate are connected to each other via straps.
【０００６】図３には、陽極板４の極板耳５の相互を接
続したストラップ６を示してあり、このストラップ６に
は、その側縁から上方にＬ状をなして起立するように極
柱７が取り付けられている。FIG. 3 shows a strap 6 in which the pole lugs 5 of the anode plate 4 are connected to each other. The strap 6 has a pole so as to stand upward in an L-shape from the side edge thereof. A pillar 7 is attached.
【０００７】電槽１の上面を覆った合成樹脂製の蓋体８
には端子ブッシング９が一体的にモールドされている。
この端子ブッシング９は中空の筒状をなす主部１０と、
この主部１０の一部から水平に延出したアーム部１１と
からなり、前記アーム部１１の端部に外部端子としてス
タッドボルト１２ａが取り付けられ、このスタッドボル
ト１２ａが蓋体８の上面からその上方に突出している。A lid 8 made of synthetic resin and covering the upper surface of the battery case 1
Is integrally molded with a terminal bushing 9.
The terminal bushing 9 has a hollow cylindrical main portion 10,
An arm 11 extends horizontally from a part of the main part 10, and a stud bolt 12 a is attached to an end of the arm 11 as an external terminal. It protrudes upward.
【０００８】蓋体８の周縁は電槽１の上端の開口縁に嵌
着され、その蓋体８の周縁と電槽１の開口縁とが熱融着
により一体的に接合されている。電槽１の上面に蓋体８
が被冠されたときには、端子ブッシング９の中空部が前
記極柱７に挿入される。そして極柱７の頂部と端子ブッ
シング９とがバーナーの火炎により溶接され、一体的に
接合され、その溶接部１３の上面側部分に、電槽１内の
電解液が滲み上がって外部に漏出するのを防止し、また
その上面の体裁を整えるために、エポキシ樹脂等の接着
剤からなる封口剤１４が塗布され、この封口剤１４で溶
接部１３の上面側部分が封止されている。The peripheral edge of the lid 8 is fitted to the opening edge at the upper end of the battery case 1, and the peripheral edge of the lid 8 and the opening edge of the battery case 1 are integrally joined by heat fusion. Lid 8 on top of battery case 1
Is covered, the hollow portion of the terminal bushing 9 is inserted into the pole 7. Then, the top of the pole 7 and the terminal bushing 9 are welded by the flame of the burner and integrally joined, and the electrolyte in the battery case 1 seeps up into the upper surface side of the welded portion 13 and leaks out. A sealing agent 14 made of an adhesive such as an epoxy resin is applied to prevent the occurrence of the above problem and to adjust the appearance of the upper surface, and the upper surface side portion of the welded portion 13 is sealed with the sealing agent 14.
【０００９】蓋体８の上面には、図４に示すように、囲
い壁１５により排気室１６が形成され、この排気室１６
内における蓋体８の上面に電槽１内の各セル室２内に連
通する排気筒１７が形成され、これら排気筒１７の上端
部にゴムキャップ１８が被着され、これら排気筒１７と
ゴムキャップ１８とで安全弁１９が構成されている。As shown in FIG. 4, an exhaust chamber 16 is formed on the upper surface of the lid 8 by an enclosing wall 15.
Exhaust pipes 17 communicating with the respective cell chambers 2 in the battery case 1 are formed on the upper surface of the lid 8 in the inside, and a rubber cap 18 is attached to the upper end of these exhaust pipes 17. A safety valve 19 is configured by the cap 18.
【００１０】排気室１６の上面は覆い蓋２０で閉塞され
ており、この覆い蓋２０に排気孔２１が形成され、この
排気孔２１の下側にガスフィルター２２が取り付けられ
ている。The upper surface of the exhaust chamber 16 is closed by a cover 20. An exhaust hole 21 is formed in the cover 20, and a gas filter 22 is mounted below the exhaust hole 21.
【００１１】蓋体８の上面には、電槽１内の各陽極板４
に導通するプラスの端子としての前記スタッドボルト１
２ａと共に、その反対側に位置して電槽１内の各陰極板
に導通するマイナスの端子としてスタッドボルト１１ｂ
が前記スタッドボルト１１ａと同様の構造で設けられて
いる。On the upper surface of the lid 8, each anode plate 4 in the battery case 1 is placed.
Stud bolt 1 as a positive terminal that conducts to
2a and a stud bolt 11b as a negative terminal which is located on the opposite side and is electrically connected to each cathode plate in the battery case 1.
Are provided in the same structure as the stud bolt 11a.
【００１２】[0012]
【発明が解決しようとする課題】このように従来の密閉
形鉛蓄電池においては、電槽１内の電解液の外部への漏
出を防止するために、端子ブッシング９と極柱７との溶
接部１３の上面側部分にエポキシ樹脂等の接着剤からな
る封口剤１４を塗布して封止するようにしている。As described above, in the conventional sealed lead-acid battery, in order to prevent the electrolyte solution in the battery case 1 from leaking to the outside, the welding portion between the terminal bushing 9 and the pole 7 is required. A sealing agent 14 made of an adhesive such as an epoxy resin is applied to the upper surface side portion of the device 13 to seal it.
【００１３】しかしながら、溶接部１３の上面側部分を
いちいち封口剤１４で封止する手段では、封口剤１４の
材料費、封口剤１４を塗布する作業工程、封口剤１４を
硬化させる設備および時間を要し、製造コストおよび製
造能率が低下する難点がある。However, the means for sealing the upper surface side portion of the welded portion 13 with the sealing agent 14 requires the material cost of the sealing agent 14, the work process of applying the sealing agent 14, and the equipment and time for curing the sealing agent 14. In short, there is a problem that the manufacturing cost and the manufacturing efficiency are reduced.
【００１４】また、図３に示すように、端子ブッシング
９の下面の全体がほぼフラットな形状をなしており、こ
のためこの端子ブッシング９をモールドした部分におけ
る蓋体８の樹脂の下面のレベルが低くなり、これに応じ
てその下方側に配置するストラップ６の位置も低くしな
ければならず、この結果、極板群３の高さの寸法が制約
され、電槽１内に電池性能には関わりのない無用なデッ
トスペースが生じ、その分、電池容量が低下する。As shown in FIG. 3, the entire lower surface of the terminal bushing 9 has a substantially flat shape. Therefore, the level of the resin lower surface of the lid 8 in the portion where the terminal bushing 9 is molded is reduced. Accordingly, the position of the strap 6 disposed on the lower side must also be lowered. As a result, the height of the electrode group 3 is restricted, and the battery performance in the battery case 1 is reduced. Unnecessary dead space is generated, which reduces the battery capacity.
【００１５】この発明はこのような点に着目してなされ
たもので、その一つの目的は、端子ブッシングと極柱と
の溶接部の上面側部分に封口剤を塗布するような面倒で
煩わしい作業を要することなく、簡単な構成で電槽内の
電解液の外部漏出を防止することができる密閉形鉛蓄電
池を提供することにある。さらに他の一つの目的は、電
槽内に収容する極板群の高さを高い寸法に設定して電池
容量の向上を図ることができる密閉形鉛蓄電池を提供す
ることにある。The present invention has been made in view of such a point. One object of the present invention is to perform a troublesome and troublesome work such as applying a sealing agent to a top surface side portion of a welded portion between a terminal bushing and a pole. It is an object of the present invention to provide a sealed lead-acid battery that can prevent external leakage of an electrolytic solution in a battery case with a simple configuration without requiring a battery. Still another object is to provide a sealed lead-acid battery capable of improving the battery capacity by setting the height of the electrode group housed in the battery case to a high dimension.
【００１６】[0016]
【課題を解決するための手段】この発明は、このような
目的を達成するために、電槽と、この電槽内に収容され
た極板群と、この極板群の上部に取り付けられたストラ
ップと、このストラップに取り付けられた極柱と、前記
電槽の上部の開口部に設けられた合成樹脂製の蓋体と、
この蓋体の樹脂中にモールドされかつ蓋体の上面から突
出する外部端子を有した中空状の端子ブッシングと、前
記蓋体の上面に構成された排気室とを有し、前記極柱が
前記端子ブッシングの中空内に挿入され、かつこれら極
柱と端子ブッシングとが溶接により接合されている密閉
形鉛蓄電池において、蓋体の上面に露出する前記端子ブ
ッシングと極柱との溶接部を、前記排気室の内側に形成
した密閉構造の仕切室内に配置させて外部と遮断するよ
うにしたものである。According to the present invention, in order to achieve the above object, a battery case, an electrode group housed in the battery case, and an upper part of the electrode group are mounted. A strap, a pole attached to the strap, and a synthetic resin lid provided at an opening at the top of the battery case,
It has a hollow terminal bushing having external terminals molded in the resin of the lid and projecting from the upper surface of the lid, and an exhaust chamber formed on the upper surface of the lid, wherein the pole is In a sealed lead-acid battery inserted into the hollow of the terminal bushing, and these poles and the terminal bushing are joined by welding, a welded portion between the terminal bushing and the pole exposed on the upper surface of the lid body, It is arranged in a partitioned chamber having a closed structure formed inside the exhaust chamber, so as to be shielded from the outside.
【００１７】そして特に、請求項２に記載の発明におい
ては、前記端子ブッシングの下面の前記ストラップに対
向する部分に段差状に凹む切欠凹部を形成し、この切欠
凹部内に前記ストラップを配置させるようにしてある。In a second aspect of the present invention, a notch recessed in a step shape is formed in a portion of the lower surface of the terminal bushing facing the strap, and the strap is arranged in the notch recess. It is.
【００１８】[0018]
【発明の実施の形態】以下、この発明の実施の形態につ
いて図１および図２を参照して説明する。なお、従来の
構成と対応する部分には同一符号を付してその説明を省
略する。この発明の密閉形鉛蓄電池においては、蓋体８
の樹脂中にモールドされた端子ブッシング９の主部１０
が、排気室１６を構成する囲い壁１５の内側に位置する
ように設けられている。そして囲い壁１５の内側に隔壁
１５ａが一体に形成され、この隔壁１５ａと囲い壁１５
の一部とで前記端子ブッシング９の主部１０の周囲を囲
む狭い容積の仕切室２３が構成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. Parts corresponding to those of the conventional configuration are denoted by the same reference numerals, and description thereof is omitted. In the sealed lead-acid battery of the present invention, the lid 8
Main part 10 of terminal bushing 9 molded in resin
Is provided so as to be located inside the surrounding wall 15 constituting the exhaust chamber 16. The partition wall 15a is integrally formed inside the enclosure wall 15, and the partition wall 15a and the enclosure wall 15 are formed.
Of the terminal bushing 9 constitutes a partition chamber 23 having a small volume surrounding the periphery of the main portion 10 of the terminal bushing 9.
【００１９】囲い壁１５の上面に設けられた覆い蓋２０
は、囲い壁１５および前記隔壁１５ａに熱融着され、こ
の覆い蓋２０により仕切室２３内が密閉され、この密閉
構造の仕切室２３により蓋体８の上面に露出した端子ブ
ッシング９の主部１０と極柱７との溶接部１３の上面側
部分が外部に対して遮断されている。そして端子ブッシ
ング９の主部１０と極柱７との溶接部１３の上面側部分
は仕切室２３内においてそのまま露出する状態となって
いる。A cover 20 provided on the upper surface of the enclosure 15
The main part of the terminal bushing 9 is heat-sealed to the surrounding wall 15 and the partition wall 15a, the interior of the partition chamber 23 is sealed by the cover lid 20, and the upper surface of the lid 8 is exposed by the partition chamber 23 having the closed structure. The upper surface side portion of the welding portion 13 between the pole 10 and the pole 7 is shielded from the outside. The upper surface side portion of the welded portion 13 between the main portion 10 of the terminal bushing 9 and the pole 7 is exposed in the partitioning chamber 23 as it is.
【００２０】端子ブッシング９のアーム部１１の一部に
取り付けられたスタッドボルト１２ａは囲い壁１５の外
部において蓋体８の上面から突出している。そして端子
ブッシング９におけるアーム部１１の途中には電解液の
滲み上がりを防止するために鍔状をなす複数の凸部１１
ａが一体に形成されている。A stud bolt 12 a attached to a part of the arm portion 11 of the terminal bushing 9 projects from the upper surface of the lid 8 outside the surrounding wall 15. In the middle of the arm portion 11 of the terminal bushing 9, a plurality of flange-shaped protrusions 11 are formed in order to prevent the electrolyte from seeping up.
a is formed integrally.
【００２１】また、端子ブッシング９における主部１０
の下面の一部でかつストラップ６に対向する部分には、
図１に示すようにＨの深さで段差状に凹むように切欠さ
れた切欠凹部１０ａが形成されている。The main part 10 of the terminal bushing 9
In the part of the lower surface of and facing the strap 6,
As shown in FIG. 1, a notch recess 10a is formed so as to be recessed in a stepped shape at a depth of H.
【００２２】そしてこの切欠凹部１０ａの深さＨの分だ
け、極板群３の高さの寸法が大きく、また極柱７の高さ
の寸法が小さくそれぞれ設定され、極板群３の上部に取
り付けられたストラップ６が前記切欠凹部１０ａの内側
の空間内に配置している。The height of the electrode plate group 3 is set to be large and the height of the pole column 7 is set to be small by the depth H of the cutout recess 10a. The attached strap 6 is disposed in the space inside the notch 10a.
【００２３】このような密閉形鉛蓄電池においては、蓋
体８の上面に露出した端子ブッシング９の主部１０と極
柱７との溶接部１３の上面側部分が密閉構造の仕切室２
３内に配置して外部と遮断されているから、端子ブッシ
ング９の主部１０と蓋体８の樹脂との間から電槽１内の
電解液が万一滲み上がったとしてもその電解液は仕切室
２３内に封じ込まれて電池の外部へ漏出するようなこと
がない。In such a sealed lead-acid battery, the upper surface side of the welded portion 13 between the main portion 10 of the terminal bushing 9 and the pole 7 exposed on the upper surface of the lid 8 has a closed structure of the partitioning chamber 2.
3 and is shielded from the outside, even if the electrolyte in the battery case 1 oozes out from between the main part 10 of the terminal bushing 9 and the resin of the lid 8, the electrolyte is There is no possibility that the battery is sealed in the partition chamber 23 and leaks out of the battery.
【００２４】したがって、溶接部１３の上面側部分に従
来のように接着剤からなる封口剤を塗布するような必要
がなく、このため封口剤の材料費、封口剤を塗布する作
業工程、封口剤を硬化させる設備および時間を省くこと
ができ、したがって製造コストが低減し、かつ製造能率
が向上する。Therefore, it is not necessary to apply a sealing agent made of an adhesive to the upper surface side portion of the welded portion 13 as in the prior art. Therefore, the material cost of the sealing agent, the working process of applying the sealing agent, the sealing agent The equipment and time required for curing the resin can be saved, so that the production cost is reduced and the production efficiency is improved.
【００２５】なお、電槽１内の陰極板に導通する端子ブ
ッシング９においても、前記と同様にその主部１０と極
柱７との溶接部１３の上面側部分が密閉構造の仕切室２
３で覆われ、外部と遮断されている。In the terminal bushing 9 connected to the cathode plate in the battery case 1, the upper surface side of the welding portion 13 between the main part 10 and the pole 7 has a closed structure in the same manner as described above.
It is covered with 3 and is isolated from the outside.
【００２６】一方、端子ブッシング９における主部１０
の下面には切欠凹部１０ａが形成され、この切欠凹部１
０ａに基づいて極板群３の高さの寸法を大きく設定で
き、したがって電槽１内のデッドスペースを狭めること
ができ、電槽１の外形規格寸法が同一の従来の電池に比
べ、その極板群３の高さの寸法の増大分だけ電池容量を
向上させることができる。On the other hand, the main part 10 of the terminal bushing 9
A notch 10a is formed on the lower surface of the
0a, the height dimension of the electrode plate group 3 can be set to be large, so that the dead space in the battery case 1 can be narrowed, and the electrode size of the battery case 1 is smaller than that of a conventional battery having the same external standard dimensions. The battery capacity can be improved by the increase in the height of the plate group 3.
【００２７】実際の測定によれば、ストラップ６の位置
を従来の位置より 6.5mm高くでき、極板群３の高さを従
来の124mm から130.5mm に増大でき、これにより電池容
量が5.2％アップし、エネルギー密度が確実に向上し
た。また、同一容量の電池とする場合には、電池の外形
寸法を小さくしてそのコンパクト化を図ることが可能と
なる。According to actual measurement, the position of the strap 6 can be increased by 6.5 mm from the conventional position, and the height of the electrode group 3 can be increased from 124 mm to 130.5 mm, thereby increasing the battery capacity by 5.2%. And the energy density was steadily improved. In addition, when batteries having the same capacity are used, it is possible to reduce the external dimensions of the battery and reduce the size of the battery.
【００２８】なお、端子ブッシング９における主部１０
の下面に切欠凹部１０ａを形成すると、その切欠凹部１
０ａに対応する部分の主部１０の高さが短くなり、その
分、電解液が滲み上がりやすくなるが、しかし前述した
ように端子ブッシング９の主部１０の上面側部分が密閉
構造の仕切室２３内に配置して外部と遮断されているか
ら、電解液が滲み上がっても仕切室２３内に封じ込ま
れ、電池の外部へ漏出することがない。The main part 10 of the terminal bushing 9
When the notch recess 10a is formed on the lower surface of the
The height of the main portion 10 at the portion corresponding to 0a is shortened, and the electrolyte is more likely to bleed out. However, as described above, the upper surface side portion of the main portion 10 of the terminal bushing 9 has a closed structure of the partition chamber. Since the battery is disposed inside and is isolated from the outside, even if the electrolyte oozes out, it is sealed in the partition chamber 23 and does not leak out of the battery.
【００２９】[0029]
【発明の効果】以上述べたように、請求項１に記載の発
明によれば、端子ブッシングと極柱との溶接部の上面側
部分に封口剤を塗布するような面倒で煩わしい作業を要
することなく、密閉構造の仕切室を介して電槽内の電解
液の外部漏出を防止することができる。As described above, according to the first aspect of the present invention, a troublesome and cumbersome operation of applying a sealing agent to the upper surface side portion of the welding portion between the terminal bushing and the pole is required. In addition, it is possible to prevent the electrolyte solution in the battery case from leaking out through the partition having a closed structure.
【００３０】また、請求項２に記載の発明によれば、電
槽内に収容する極板群の高さを高い寸法に設定すること
が可能で、これにより電槽内のデッドスペースを狭めて
電池容量の向上を図ることができる。According to the second aspect of the present invention, it is possible to set the height of the electrode plate group housed in the battery case to a high dimension, thereby narrowing the dead space in the battery case. The battery capacity can be improved.
【図１】この発明の一実施形態に係る密閉形鉛蓄電池を
示す一部破断の側面図。FIG. 1 is a partially broken side view showing a sealed lead-acid battery according to an embodiment of the present invention.
【図２】その密閉形鉛蓄電池の一部破断の平面図。FIG. 2 is a partially broken plan view of the sealed lead-acid battery.
【図３】従来の密閉形鉛蓄電池の一部破断の側面図。FIG. 3 is a partially cutaway side view of a conventional sealed lead-acid battery.
【図４】その密閉形鉛蓄電池の一部破断の平面図。FIG. 4 is a partially cutaway plan view of the sealed lead-acid battery.
１…電槽 ３…極板群 ５…極板耳 ６…ストラップ ７…極柱 ８…蓋体 ９…端子ブッシング １２ａ…スタッドボルト １２ｂ…スタッドボルト １３…溶接部 １５…囲い壁 １５ａ…隔壁 １６…排気室 ２０…覆い蓋 ２３…仕切室 DESCRIPTION OF SYMBOLS 1 ... Battery case 3 ... Electrode group 5 ... Electrode ear 6 ... Strap 7 ... Polar pole 8 ... Lid 9 ... Terminal bushing 12a ... Stud bolt 12b ... Stud bolt 13 ... Welded part 15 ... Enclosure wall 15a ... Partition wall 16 ... Exhaust chamber 20: Cover lid 23: Partition room
Claims (2)
と、この極板群の上部に取り付けられたストラップと、
このストラップに取り付けられた極柱と、前記電槽の上
部の開口部に設けられた合成樹脂製の蓋体と、この蓋体
の樹脂中にモールドされかつ蓋体の上面から突出する外
部端子を有した中空状の端子ブッシングと、前記蓋体の
上面に構成された排気室とを有し、前記極柱が前記端子
ブッシングの中空内に挿入され、かつこれら極柱と端子
ブッシングとが溶接により接合されている密閉形鉛蓄電
池において、 蓋体の上面に露出する前記端子ブッシングと極柱との溶
接部を、前記排気室の内側に形成した密閉構造の仕切室
内に配置させて外部と遮断してあることを特徴とする密
閉形鉛蓄電池。1. A battery case, an electrode group housed in the battery case, a strap attached to an upper portion of the electrode group,
The pole attached to the strap, a synthetic resin lid provided in the opening at the top of the battery case, and external terminals molded in the resin of the lid and protruding from the upper surface of the lid. Having a terminal bushing having a hollow shape and an exhaust chamber formed on the upper surface of the lid, wherein the pole is inserted into the hollow of the terminal bushing, and these poles and the terminal bushing are welded together. In the sealed sealed lead-acid battery, the welded portion between the terminal bushing and the pole exposed on the upper surface of the lid is disposed in a closed chamber having a sealed structure formed inside the exhaust chamber to shut off the outside. A sealed lead-acid battery characterized by the following.
プに対向する部分には段差状に凹む切欠凹部が形成さ
れ、この切欠凹部内に前記ストラップが配置しているこ
とを特徴とする請求項１に記載の密閉形鉛蓄電池。2. The device according to claim 1, wherein a notch recessed in a step shape is formed in a portion of the lower surface of said terminal bushing facing said strap, and said strap is disposed in said notch recess. A sealed lead-acid battery as described.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20158797A JP3705901B2 (en) | 1997-07-28 | 1997-07-28 | Sealed lead acid battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20158797A JP3705901B2 (en) | 1997-07-28 | 1997-07-28 | Sealed lead acid battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH1145696A true JPH1145696A (en) | 1999-02-16 |
| JP3705901B2 JP3705901B2 (en) | 2005-10-12 |
Family
ID=16443535
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20158797A Expired - Fee Related JP3705901B2 (en) | 1997-07-28 | 1997-07-28 | Sealed lead acid battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3705901B2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012033358A (en) * | 2010-07-30 | 2012-02-16 | Gs Yuasa Corp | Storage battery cover, method of injection molding storage battery cover, and storage battery comprising cover thereof |
| JP2012059480A (en) * | 2010-09-08 | 2012-03-22 | Gs Yuasa Corp | Lead acid storage battery |
| US10276840B2 (en) | 2016-01-18 | 2019-04-30 | Gs Yuasa International Ltd. | Energy storage apparatus and method of manufacturing the same |
-
1997
- 1997-07-28 JP JP20158797A patent/JP3705901B2/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012033358A (en) * | 2010-07-30 | 2012-02-16 | Gs Yuasa Corp | Storage battery cover, method of injection molding storage battery cover, and storage battery comprising cover thereof |
| JP2012059480A (en) * | 2010-09-08 | 2012-03-22 | Gs Yuasa Corp | Lead acid storage battery |
| US10276840B2 (en) | 2016-01-18 | 2019-04-30 | Gs Yuasa International Ltd. | Energy storage apparatus and method of manufacturing the same |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3705901B2 (en) | 2005-10-12 |
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