JPH0227781B2 - - Google Patents

Info

Publication number
JPH0227781B2
JPH0227781B2 JP59050018A JP5001884A JPH0227781B2 JP H0227781 B2 JPH0227781 B2 JP H0227781B2 JP 59050018 A JP59050018 A JP 59050018A JP 5001884 A JP5001884 A JP 5001884A JP H0227781 B2 JPH0227781 B2 JP H0227781B2
Authority
JP
Japan
Prior art keywords
case
external terminal
convex portion
power generation
generation element
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 - Lifetime
Application number
JP59050018A
Other languages
Japanese (ja)
Other versions
JPS60193257A (en
Inventor
Hiroyuki Myata
Juji Morioka
Shigeru Yamashita
Takahiko Oohama
Kazuhiro Uchama
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.)
Sanyo Electric Co Ltd
Original Assignee
Sanyo Electric 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 Sanyo Electric Co Ltd filed Critical Sanyo Electric Co Ltd
Priority to JP59050018A priority Critical patent/JPS60193257A/en
Priority to US06/709,174 priority patent/US4582767A/en
Priority to DE19853508985 priority patent/DE3508985A1/en
Priority to FR858503691A priority patent/FR2561447B1/en
Publication of JPS60193257A publication Critical patent/JPS60193257A/en
Publication of JPH0227781B2 publication Critical patent/JPH0227781B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/06—Lead-acid accumulators
    • H01M10/12—Construction or manufacture
    • H01M10/126—Small-sized flat cells or batteries for portable equipment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30—Arrangements for facilitating escape of gases
    • H01M50/317—Re-sealable arrangements
    • H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/531—Electrode connections inside a battery casing
    • H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Gas Exhaust Devices For Batteries (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Description

【発明の詳細な説明】 (イ) 産業上の利用分野 本発明は薄型の密閉式鉛蓄電池に関し、その電
槽の構成に関するものである。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a thin sealed lead-acid battery, and relates to the structure of its container.

(ロ) 従来技術 本発明が対象とする薄型の密閉式鉛蓄電池は例
えば、特開昭51−33828号公報等に示されるもの
がある。この例のように薄型の鉛蓄電池を形成す
る場合は二分割の容器に夫々集電体と活物質を配
設し、該活物質間に隔離板を挾んで前記容器を重
合する。しかしながら集電体より電流を取出す外
部端子は前記容器の外面より突出している為電槽
としての厚み寸法が制限され、希望通りの薄型電
池が得られない。(B) Prior Art The thin sealed lead-acid battery to which the present invention is directed is disclosed, for example, in Japanese Patent Application Laid-Open No. 51-33828. When forming a thin lead-acid battery as in this example, a current collector and an active material are placed in two separate containers, and a separator is sandwiched between the active materials, and the containers are polymerized. However, since the external terminal for taking out current from the current collector protrudes from the outer surface of the container, the thickness of the container is limited, making it impossible to obtain a thin battery as desired.

(ハ) 発明の目的 本発明は上述の如き従来技術の問題点に鑑みて
成されたものであり、最近の工業界における大き
な傾向である短小軽薄化を鉛蓄電池に関して実施
するための電槽の小型化及び端子の簡単な取付を
達成することを目的とするものである。(c) Purpose of the Invention The present invention has been made in view of the problems of the prior art as described above, and is directed to a battery case for lead-acid batteries to be made shorter, smaller, lighter, and thinner, which is a major trend in the recent industrial world. The purpose is to achieve miniaturization and easy installation of terminals.

(ニ) 発明の構成 本発明の鉛蓄電池は、上面開口の筺体と該上面
開口を閉塞する平板状の蓋体とからなる一対の分
割ケースを重合して成る電槽の内部に発電素体を
収納するものであつて、一方の分割ケースに外部
端子の一端が前記発電素体と接続されて収納され
た該外部端子取付用の略直方体形状を有する凸部
と安全弁収納部とを設け、前記安全弁収納部は切
欠溝と該切欠溝よりもその内部が拡開された空間
部とから構成され、他方の分割ケースに外部端子
の一端が前記発電素体と接続されて収納された該
外部端子取付用の略直方体形状を有する凸部と前
記切欠溝を覆う突片とを設け、夫々の分割ケース
に相手ケースの前記凸部を導入せしめる凹部を形
成したことを特徴とするものである。(d) Structure of the Invention The lead-acid battery of the present invention has a power generating element inside a battery case formed by superimposing a pair of split cases consisting of a housing with an opening at the top and a flat lid that closes the opening at the top. and a safety valve accommodating portion and a convex portion having a substantially rectangular parallelepiped shape for attaching the external terminal, in which one end of the external terminal is connected to the power generation element body and housed therein, and a safety valve housing portion. The safety valve storage part is composed of a notch groove and a space part whose interior is expanded beyond the notch groove, and the external terminal is housed in the other divided case with one end of the external terminal connected to the power generation element body. The present invention is characterized in that a convex portion having a substantially rectangular parallelepiped shape for attachment and a protrusion covering the notch groove are provided, and a concave portion is formed in each divided case into which the convex portion of the mating case is introduced.

(ホ) 実施例 １，２は本発明一実施例の鉛蓄電池の電槽外殻
を構成する分割ケースＡ，Ｂであり、ABSやAS
或いはポリプロピレン等の合成樹脂又はインパク
トスチロール（耐衝撃性樹脂）より形成される。
３は前記分割ケースＡ１に形成された発電素体収
納凹所であり、該凹所３内に厚さ４mmの平板状打
抜き鉛より成る集電体（図示せず）が設けられ、
前記分割ケースＡ１に該集電体が一体成形されて
いる。この時前記集電体の片面及び周縁部が前記
電槽形成材によつて覆われる。前記集電体の片面
を覆うケースＡ１の形成材料は該集電体が補強の
役割を果たすので薄層化が達成できる。ケースＢ
２も同様に図示しない集電体が一体的に設けられ
ている。(e) Embodiments 1 and 2 are divided cases A and B that constitute the outer shell of a lead-acid battery according to an embodiment of the present invention, and are made of ABS or AS.
Alternatively, it is formed from synthetic resin such as polypropylene or impact styrene (impact resistant resin).
Reference numeral 3 denotes a power generation element housing recess formed in the divided case A1, and a current collector (not shown) made of a flat plate-shaped punched lead having a thickness of 4 mm is provided in the recess 3.
The current collector is integrally molded in the divided case A1. At this time, one side and the peripheral edge of the current collector are covered with the battery case forming material. The material forming the case A1 covering one side of the current collector can be made thinner because the current collector plays a reinforcing role. Case B
2 is also integrally provided with a current collector (not shown).

４は前記発電素体収納凹所３の側壁を形成する
枠状リブであり、この枠状リブ４と前記ケースＡ
１の周壁との間に枠状溝部５を形成している。前
記枠状リブ４は前記ケースＡ１の開口面よりも若
干高く形成されている。 Reference numeral 4 denotes a frame-like rib forming a side wall of the power generating element housing recess 3, and this frame-like rib 4 and the case A
A frame-shaped groove portion 5 is formed between the peripheral wall 1 and the peripheral wall 1 . The frame-shaped rib 4 is formed slightly higher than the opening surface of the case A1.

６は前記ケースＡ１の一側にその開口面より突
出して形成された外部端子７を取付ける為の凸部
である。９は同じく前記ケースＡ１の一側中央に
設けられた安全弁（図示せず）の収納部であり、
その内側壁に形成された小孔１０は前記発電素体
収納凹所３と連通している。そして前記安全弁収
納部９の外側壁には、切欠溝１１が形成されてい
る。１２は前記ケースＡ１の一側に設けられた凹
部である。この凹部１２の側部が幅狭状に開口し
ている理由は、前記分割ケースＡ，Ｂを嵌合させ
るときにそれらを位置決めするためと、次述せる
凸部１６の側部を覆い、電池を側面から見た場
合、外部端子７のみを露出させ外観を損なわせな
いためである。そして前記安全弁収納部９はこれ
ら凹部１２と凸部６との間に位置する。 Reference numeral 6 designates a convex portion formed on one side of the case A1 so as to protrude from the opening surface thereof and for attaching an external terminal 7 thereto. 9 is a housing part for a safety valve (not shown), which is also provided in the center of one side of the case A1;
A small hole 10 formed in the inner wall communicates with the power generating element housing recess 3. A cutout groove 11 is formed in the outer wall of the safety valve storage portion 9. 12 is a recess provided on one side of the case A1. The reason why the sides of this recess 12 are narrowly opened is to position the divided cases A and B when they are fitted together, and to cover the sides of the protrusion 16 described below, and to cover the battery. This is because when viewed from the side, only the external terminals 7 are exposed and the appearance is not impaired. The safety valve storage portion 9 is located between the recess 12 and the protrusion 6.

１３は前記ケースＢ２に形成されて前記ケース
Ａ１の枠状溝部５に嵌合される枠状リブである。
また１４は前記ケースＢ２に形成されて前記ケー
スＡ１の枠状リブ４が嵌合する枠状溝部である。
１５は前記ケースＢ２に形成され前記ケースＡ１
の凸部６を収納する凹部である。１６は凸部であ
つて、この外側面は第１図に示す如く、前記ケー
スＢ２の端部において直方体状に形成されてお
り、その一側面において内部が空間となるよう開
口部１９を有している。そしてこの凸部１６は、
前記ケースＡ１の凹部１２に嵌合するよう挿入さ
れる。１７は前記ケースＢ２に形成され、前記ケ
ースＡ１の切欠溝１１に嵌め込まれる突片であ
る。 Reference numeral 13 denotes a frame-shaped rib formed on the case B2 and fitted into the frame-shaped groove 5 of the case A1.
Further, 14 is a frame-shaped groove portion formed in the case B2 and into which the frame-shaped rib 4 of the case A1 is fitted.
15 is formed in the case B2 and is connected to the case A1.
This is a concave portion that accommodates the convex portion 6. Reference numeral 16 denotes a convex portion, the outer surface of which is formed in the shape of a rectangular parallelepiped at the end of the case B2, as shown in FIG. ing. And this convex portion 16 is
It is inserted so as to fit into the recess 12 of the case A1. 17 is a projecting piece formed on the case B2 and fitted into the notch groove 11 of the case A1.

１８は前記ケースＡ１の側面に、１９は前記ケ
ースＢ２の側面に、それぞれ形成された開口部で
ある。前記開口部１８の外側面は前記凸部６を、
前記開口部１９の外側面は前記凸部１６を、それ
ぞれ構成する。この開口部１８，１９は、その内
部に、集電体のタブ（図示せず）と外部端子７，
８の一端部との接続部が収納されるよう直方体形
状の内部空間を形成している。２０は天板であつ
て、開口部１８を構成する側壁となる。また、２
１は天板であつて、開口部１９により形成される
凸部１６の側壁と一致する。これら天板２０，２
１は、前記ケースＡ１，Ｂ２を組み合わせた場
合、電槽の外側壁より、外部端子７，８の厚み寸
法に相当するだけ、窪んだ位置に形成される。 Reference numeral 18 indicates an opening formed in the side surface of the case A1, and 19 indicates an opening formed in the side surface of the case B2. The outer surface of the opening 18 has the convex portion 6,
The outer surfaces of the openings 19 constitute the protrusions 16, respectively. The openings 18 and 19 have a current collector tab (not shown) and an external terminal 7 inside.
A rectangular parallelepiped-shaped internal space is formed so that a connecting portion with one end of the 8 is housed therein. Reference numeral 20 denotes a top plate, which serves as a side wall forming the opening 18. Also, 2
Reference numeral 1 denotes a top plate, which coincides with the side wall of the convex portion 16 formed by the opening 19. These top plates 20,2
1 is formed at a position recessed from the outer wall of the battery case by an amount corresponding to the thickness dimension of the external terminals 7 and 8 when the cases A1 and B2 are combined.

次に本実施例の組立方法を説明する。 Next, the assembly method of this embodiment will be explained.

集電体を夫々配設した前記ケースＡ１及びケー
スＢ２に活物質スラリー（図示せず）を注入し、
乾燥せしめて集電体表面に極板層を形成する。そ
して前記収納凹所３にガラス繊維より成るセパレ
ータ（図示せず）を収め、硫酸電解液を注入す
る。前記安全弁収納部９にゴム製の管状安全弁
（図示せず）を挿入し、前記両ケース１，２を重
合する。この時各ケース１，２に形成された凸部
６，１６が夫々相手ケース２，１の凹部１５，１
２に嵌合すると同時に、ケースＢ２に設けた突片
１７がケースＡ１の安全弁収納部９の切欠溝１１
に嵌合して、両ケース１，２を重合する際の案内
手段となると共に、重合した状態での仮固定が可
能となる。前記両ケース１，２重合時においてケ
ースＡ１の枠状リブ４はケースＢ２の枠状溝１４
に、ケースＢ２の枠状リブ１３はケースＡ１の枠
状溝５に夫々嵌合される。 Injecting an active material slurry (not shown) into the case A1 and case B2 in which current collectors are respectively disposed,
It is dried to form an electrode plate layer on the surface of the current collector. Then, a separator (not shown) made of glass fiber is placed in the storage recess 3, and a sulfuric acid electrolyte is injected. A rubber tubular safety valve (not shown) is inserted into the safety valve housing 9, and both the cases 1 and 2 are superimposed. At this time, the convex portions 6, 16 formed on each case 1, 2 are replaced by the concave portions 15, 1 of the mating case 2, 1, respectively.
2, the protruding piece 17 provided on the case B2 engages the notch groove 11 of the safety valve storage portion 9 of the case A1.
When the two cases 1 and 2 are fitted together, it becomes a guiding means when the two cases 1 and 2 are overlapped, and it is possible to temporarily fix the cases 1 and 2 in the overlapped state. When both cases 1 and 2 are superimposed, the frame-shaped rib 4 of case A1 is connected to the frame-shaped groove 14 of case B2.
The frame-shaped ribs 13 of the case B2 are respectively fitted into the frame-shaped grooves 5 of the case A1.

尚前記安全弁収納部９は突片１７によつて塞が
れるが、両者間には少許の間隙２４が形成され
る。従つて電槽内部で発生したガスはケースＡ１
の小孔１０から前記間隙２４を経て外部に放出さ
れる。 Although the safety valve housing portion 9 is closed by the protrusion 17, a small gap 24 is formed between the two. Therefore, the gas generated inside the battery case is case A1.
It is discharged to the outside from the small hole 10 through the gap 24.

外部端子７，８は、コ字状に折曲された金属板
からなる。前記開口部から前記集電体のタブ（図
示せず）を引き出した後、前記開口部内において
エポキシ樹脂で固定する。そして前記集電体のタ
ブの端部と、前記コ字状に折曲された外部端子
７，８の一端部とをスポツト溶接して接続する。
この接続部を、前記開口部１８，１９に、収納す
る。一方、前記コ字状に折曲された外部端子７，
８の他端部は、前記スペース２２，２３に埋設さ
れ、その結果、前記開口部１８，１９が、前記外
部端子７，８により、塞がれる。 The external terminals 7 and 8 are made of metal plates bent into a U-shape. After pulling out the tab (not shown) of the current collector from the opening, it is fixed in the opening with epoxy resin. Then, the end of the tab of the current collector and one end of the U-shaped external terminals 7 and 8 are connected by spot welding.
This connecting portion is housed in the openings 18 and 19. On the other hand, the external terminal 7 bent into a U-shape,
The other ends of the terminals 8 are buried in the spaces 22 and 23, so that the openings 18 and 19 are closed by the external terminals 7 and 8.

前記両ケース１，２を超音波溶着すると前記枠
状リブ４，１３と枠状溝５，１４とが夫々溶着固
定される。 When both the cases 1 and 2 are ultrasonically welded, the frame ribs 4 and 13 and the frame grooves 5 and 14 are welded and fixed, respectively.

(ヘ) 発明の効果 本発明は以上の説明の如く、上面開口の筺体と
該上面開口を閉塞する平板状の蓋体とからなる一
対の分割ケースを重合して成る電槽の内部に発電
素体を収納するものであつて、一方の分割ケース
に外部端子の一端が前記発電素体と接続されて収
納された該外部端子取付用の略直方体形状を有す
る凸部と安全弁収納部とを設け、前記安全弁収納
部は切欠溝と該切欠溝よりもその内部が拡開され
た空間部とから構成され、他方の分割ケースに外
部端子の一端が前記発電素体と接続されて収納さ
れた該外部端子取付用の略直方体形状を有する凸
部と前記切欠溝を覆う突片とを設け、夫々の分割
ケースに相手ケースの前記凸部を導入せしめる凹
部を形成したことを特徴とするものであるから、
各ケースの凸部と凹部が夫々の厚みを相殺して電
槽は必要最小限の厚みとなり、また両ケースの重
合によつて安全弁収納部が形成されるため、該収
納部の厚みを最小とすることができる。また前記
凸部と凹部は両ケース重合時における位置決め用
の案内手段となるので別途ガイドリブ等を形成す
る手間が省ける。このように本発明は鉛蓄電池の
薄型化に大きく貢献するものである。(F) Effects of the Invention As described above, the present invention includes a power generating element inside a battery case formed by superimposing a pair of split cases consisting of a housing with an opening on the top surface and a flat lid that closes the top opening. and a safety valve accommodating part and a convex part having a substantially rectangular parallelepiped shape for attaching the external terminal, in which one end of the external terminal is connected to the power generation element body and housed therein, and a safety valve accommodating part is provided. , the safety valve accommodating part is composed of a notch groove and a space part whose interior is expanded more than the notch groove, and the safety valve storage part is housed in the other divided case with one end of the external terminal connected to the power generating element body. The present invention is characterized in that a convex portion having a substantially rectangular parallelepiped shape for attaching an external terminal and a protrusion covering the notch groove are provided, and a concave portion is formed in each divided case to introduce the convex portion of the mating case. from,
The protrusions and recesses of each case cancel out their respective thicknesses, making the battery case as thick as possible, and since the safety valve storage area is formed by overlapping both cases, the thickness of the storage area can be minimized. can do. Further, since the convex portion and the concave portion serve as guide means for positioning when both cases are superimposed, it is not necessary to separately form guide ribs or the like. In this way, the present invention greatly contributes to making lead-acid batteries thinner.

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

第１図は本発明鉛蓄電池の一実施例の分解斜視
図、第２図は同じく概観斜視図、第３図はケース
Ａの上面図、第４図はケースＡの側面図、第５図
はケースＢの上面図、第６図はケースＢの側面図
である。 １，２……分割ケース、７，８……外部端子、
６，１６……凸部、９……安全弁収納部、１１…
…切欠溝、１７……突片、２４……間隙、１８，
１９……開口。 Fig. 1 is an exploded perspective view of one embodiment of the lead-acid battery of the present invention, Fig. 2 is an overview perspective view, Fig. 3 is a top view of case A, Fig. 4 is a side view of case A, and Fig. 5 is A top view of case B, and FIG. 6 is a side view of case B. 1, 2...Divided case, 7, 8...External terminal,
6, 16...Convex part, 9...Safety valve storage part, 11...
... Notch groove, 17 ... Protrusion piece, 24 ... Gap, 18,
19...Opening.

Claims (1)

【特許請求の範囲】 １ 上面開口の筺体と該上面開口を閉塞する平板
状の蓋体とからなる一対の分割ケースを重合して
成る電槽の内部に発電素体を収納するものであつ
て、一方の分割ケースに外部端子の一端が前記発
電素体と接続されて収納された該外部端子取付用
の略直方体形状を有する凸部と安全弁収納部とを
設け、前記安全弁収納部は切欠溝と該切欠溝より
もその内部が拡開された空間部とから構成され、
他方の分割ケースに外部端子の一端が前記発電素
体と接続されて収納された該外部端子取付用の略
直方体形状を有する凸部と前記切欠溝を覆う突片
とを設け、夫々の分割ケースに相手ケースの前記
凸部を導入せしめる凹部を形成したことを特徴と
する鉛蓄電池。 ２ 前記凸部と凹部は夫々密接に嵌合すると共
に、前記切欠溝と突片との間にはガス放出用の間
〓が形成されていることを特徴とする上記特許請
求の範囲第１項記載の鉛蓄電池。 ３ 前記凸部には前記発電素体と外部端子とを電
気的に接続する集電部材を導出する開口が前記電
槽内部と電槽外部とに跨つて形成されていること
を特徴とする上記特許請求の範囲第１項又は第２
項記載の鉛蓄電池。[Scope of Claims] 1. A power generation element is housed inside a battery case formed by overlapping a pair of divided cases consisting of a housing with an opening on the top and a flat lid that closes the opening on the top. , one divided case is provided with a convex portion having a substantially rectangular parallelepiped shape for mounting the external terminal, in which one end of the external terminal is connected to the power generation element body and housed therein, and a safety valve housing portion, and the safety valve housing portion is provided with a notched groove. and a space portion whose interior is wider than the notch groove,
The other divided case is provided with a convex portion having a substantially rectangular parallelepiped shape for mounting the external terminal and which is housed with one end of the external terminal connected to the power generation element body, and a protruding piece that covers the notch groove, and the respective divided cases A lead-acid battery characterized in that a recess is formed into which the protrusion of a mating case is introduced. 2. The above-mentioned claim 1, wherein the convex portion and the concave portion are closely fitted, and a gap for gas release is formed between the notch groove and the protruding piece. Lead-acid batteries listed. 3. The above-mentioned device characterized in that the convex portion is formed with an opening extending between the inside of the battery case and the outside of the battery case, through which a current collecting member for electrically connecting the power generation element body and an external terminal is led out. Claim 1 or 2
Lead-acid batteries as described in section.
JP59050018A 1984-03-13 1984-03-14 Lead-acid battery Granted JPS60193257A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP59050018A JPS60193257A (en) 1984-03-14 1984-03-14 Lead-acid battery
US06/709,174 US4582767A (en) 1984-03-13 1985-03-07 Lead storage battery
DE19853508985 DE3508985A1 (en) 1984-03-13 1985-03-13 LEAD ACCUMULATOR BATTERY
FR858503691A FR2561447B1 (en) 1984-03-13 1985-03-13 LEAD ACCUMULATOR

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59050018A JPS60193257A (en) 1984-03-14 1984-03-14 Lead-acid battery

Publications (2)

Publication Number Publication Date
JPS60193257A JPS60193257A (en) 1985-10-01
JPH0227781B2 true JPH0227781B2 (en) 1990-06-19

Family

ID=12847252

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59050018A Granted JPS60193257A (en) 1984-03-13 1984-03-14 Lead-acid battery

Country Status (1)

Country Link
JP (1) JPS60193257A (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3781082T2 (en) * 1986-03-19 1992-12-17 Matsushita Electric Ind Co Ltd HERMETICALLY LOCKED LEAD BATTERY.
JPS643955A (en) * 1987-06-25 1989-01-09 Japan Storage Battery Co Ltd Sealed lead-acid battery
JPH01163962A (en) * 1987-12-18 1989-06-28 Yuasa Battery Co Ltd Sealed lead-acid battery
JPH01183060A (en) * 1988-01-06 1989-07-20 Yuasa Battery Co Ltd Sealed type lead storage battery
JPH01313849A (en) * 1988-06-10 1989-12-19 Japan Storage Battery Co Ltd Sealed type lead-acid battery
AU1657801A (en) * 1999-11-15 2001-05-30 Eveready Battery Company Inc. Durable high density power supply
AU1990301A (en) * 1999-12-22 2001-07-03 Shenzhen Lb Battery Co., Ltd A thin battery
CN114944536B (en) * 2022-06-16 2023-06-20 孚能科技(赣州)股份有限公司 Pressure release valve and battery

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534274A (en) * 1976-07-02 1978-01-14 Osaka Transformer Co Ltd Device for correcting tool position of numeral value controlling machine tool
JPS5558946A (en) * 1978-10-23 1980-05-02 Tsugami Corp Work processing nc machine tool by fixed tool path
JPS6067005A (en) * 1983-09-22 1985-04-17 Hitachi Seiki Co Ltd Soft jaw change machining method in continuous machining of various works

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS534274A (en) * 1976-07-02 1978-01-14 Osaka Transformer Co Ltd Device for correcting tool position of numeral value controlling machine tool
JPS5558946A (en) * 1978-10-23 1980-05-02 Tsugami Corp Work processing nc machine tool by fixed tool path
JPS6067005A (en) * 1983-09-22 1985-04-17 Hitachi Seiki Co Ltd Soft jaw change machining method in continuous machining of various works

Also Published As

Publication number Publication date
JPS60193257A (en) 1985-10-01

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