JPH0737560A - Lead acid battery - Google Patents
Lead acid batteryInfo
- Publication number
- JPH0737560A JPH0737560A JP5181138A JP18113893A JPH0737560A JP H0737560 A JPH0737560 A JP H0737560A JP 5181138 A JP5181138 A JP 5181138A JP 18113893 A JP18113893 A JP 18113893A JP H0737560 A JPH0737560 A JP H0737560A
- Authority
- JP
- Japan
- Prior art keywords
- pole
- adhesive
- terminal
- hole
- bonding agent
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、鉛蓄電池の、とくにそ
の封口用接着剤を周囲に充填した極柱または端子部分の
構造の改良に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in the structure of a lead storage battery, in particular, a pole or a terminal portion whose periphery is filled with a sealing adhesive.
【0002】[0002]
【従来の技術】図3および図4に、従来の鉛蓄電池の極
柱または端子の接着剤封口部分の断面図を示す。図3に
示したように、電槽内に収納した極板群に設けた正、負
極の極柱1は、前記電槽の開口部を被覆する蓋2に設け
られた極柱貫通穴3を貫通して、その上部が蓋2の上方
に突出している。2. Description of the Related Art FIGS. 3 and 4 are cross-sectional views of an adhesive plug portion of a pole or a terminal of a conventional lead storage battery. As shown in FIG. 3, the positive and negative pole columns 1 provided in the electrode plate group housed in the battery case have the pole column through holes 3 provided in the lid 2 that covers the opening of the battery case. It penetrates, and the upper part projects above the lid 2.
【0003】また、蓋2の上面には、前記極柱貫通穴3
を取り囲むように接着剤充填用凹部4が設けられてお
り、極柱1と極柱貫通穴3の隙間にはシール用のOリン
グ5が装着されるとともにエポキシ樹脂などの封口用接
着剤6が充填されて気密、液密が保たれている。On the upper surface of the lid 2, the pole pillar through hole 3 is formed.
A concave portion 4 for filling with an adhesive is provided so as to enclose the same, an O-ring 5 for sealing is attached to the gap between the pole 1 and the through hole 3 of the pole, and a sealing adhesive 6 such as an epoxy resin is provided. It is filled and kept airtight and liquidtight.
【0004】一方、密閉形の鉛蓄電池では図4に示した
ように、電槽内に収納した極板群の正、負極の極柱1の
上部と、一端部に上方へ突出する端子部7を有したL字
形端子8の他端部とが蓋2の上面で溶接されており、こ
の溶接部を取り囲むように接着剤充填用凹部4が設けら
れている。そして、前記凹部4内には封口用接着剤6
が、L字形端子8の端子部7の側面まで取り囲むように
充填されている。On the other hand, in the sealed lead-acid battery, as shown in FIG. 4, the positive and negative electrode poles 1 of the electrode plate group housed in the battery case and the terminal portion 7 projecting upward at one end are formed. The other end of the L-shaped terminal 8 having the above is welded to the upper surface of the lid 2, and the adhesive filling concave portion 4 is provided so as to surround the welded portion. The sealing adhesive 6 is provided in the recess 4.
Are filled so as to surround the side surface of the terminal portion 7 of the L-shaped terminal 8.
【0005】極柱1やL字形端子8の端子部7には、接
着剤充填用凹部内に充填された接着剤6の表面より上方
に、ボルト挿入穴9が設けられており、このボルト挿入
穴9にボルトを挿入してリード線と前記極柱や端子部と
をつなぎ、電池間の接続や電池と機器との接続を行って
いる。A bolt insertion hole 9 is provided in the terminal portion 7 of the pole 1 or the L-shaped terminal 8 above the surface of the adhesive 6 filled in the adhesive filling recess. Bolts are inserted into the holes 9 to connect the lead wires to the poles and the terminals to connect the batteries or connect the batteries to the device.
【0006】[0006]
【発明が解決しようとする課題】しかしながら、上記の
構成の鉛蓄電池では、極柱またはL字形端子の周囲にあ
る接着剤充填用凹部内に、エポキシ樹脂などの封口用接
着剤を充填し、これを硬化させる場合、次のような問題
が生じていた。すなわち、接着剤充填時には前記凹部内
での接着剤の流動性を良好にするため、接着剤を熱風に
より加熱するが、このときの接着剤の温度上昇にともな
って接着剤自体の表面張力は低下していた。これによっ
て、前記極柱や端子の側面での接着剤の濡れ性が高まっ
て、接着剤が極柱や端子の側面を這い上がり、そのまま
硬化していた。However, in the lead-acid battery having the above-mentioned configuration, the adhesive filling recesses around the poles or the L-shaped terminals are filled with the sealing adhesive such as epoxy resin, and When curing, the following problems occurred. That is, at the time of filling the adhesive, the adhesive is heated by hot air in order to improve the fluidity of the adhesive in the concave portion, but the surface tension of the adhesive itself is lowered as the temperature of the adhesive rises at this time. Was. As a result, the wettability of the adhesive on the side surfaces of the poles and terminals is enhanced, and the adhesive creeps up on the side surfaces of the poles and terminals and is cured as it is.
【0007】そして、接着剤が極柱や端子に設けられた
ボルト挿入穴の近傍まで上昇して固化した場合には、極
柱や端子とリード線との接続部分で接着剤が絶縁体とし
てはたらき、接続不良が多発していた。When the adhesive rises to the vicinity of the bolt insertion hole provided in the pole or terminal and solidifies, the adhesive acts as an insulator at the connecting portion between the pole or terminal and the lead wire. , There were many bad connections.
【0008】したがって、極柱や端子の周囲に接着剤を
充填して硬化させた後に、接着剤の這い上がり状態を調
べ、前記極柱や端子の側面を這い上がった接着剤を削り
取って鉛合金の表面を露出させていた。また、接着剤が
極柱や端子のボルト挿入穴付近まで這い上がらないよう
に、事前にボルト挿入穴の位置を検討しなければならな
く、電池製造時の作業効率を低下させていた。Therefore, after the adhesive is filled around the poles and terminals and cured, the creeping state of the adhesive is checked, and the adhesive that has climbed up the side surfaces of the poles and terminals is scraped off to remove the lead alloy. Had exposed the surface of. In addition, the position of the bolt insertion hole must be examined in advance so that the adhesive does not climb up to the vicinity of the bolt insertion hole of the pole or the terminal, which lowers the work efficiency during battery manufacturing.
【0009】本発明は、これらの課題を解決するもので
あり、極柱または端子の周囲に充填した封口用接着剤が
極柱や端子の側面を這い上がることを防止して、電池接
続時に接着剤が固化して絶縁体としてはたらくことによ
る極柱や端子部分の接続不良を防止することができる鉛
蓄電池を提供するものである。The present invention solves these problems, and prevents the sealing adhesive filled around the poles or terminals from creeping up the side surfaces of the poles or terminals, and bonding during battery connection. It is intended to provide a lead storage battery capable of preventing a defective connection of a pole column or a terminal portion due to the agent solidifying and acting as an insulator.
【0010】[0010]
【課題を解決するための手段】上記の課題を解決するた
めに、本発明の鉛蓄電池は、極柱貫通穴を貫通した極柱
に周囲方向に張り出した階段状段差部を設け、その段差
部の上面を前記極柱の周囲に充填した接着剤の表面より
も上方に位置させたものである。In order to solve the above-mentioned problems, a lead-acid battery of the present invention is provided with a stepped step portion projecting in the circumferential direction on a pole column penetrating a pole column through hole, and the stepped portion is provided. Is located above the surface of the adhesive filled around the poles.
【0011】また、一端部が極柱の上部と溶接されたL
字形端子の、上方へ突出する端子部に、周囲方向に張り
出した階段状段差部を設け、その段差部の上面を前記端
子部の周囲に充填した接着剤の表面よりも上方に位置さ
せたものである。Also, one end of the pole is welded to the upper part of the pole.
A terminal having a step-like step portion projecting in the circumferential direction is provided on the terminal portion protruding upward of the character-shaped terminal, and the upper surface of the step portion is located above the surface of the adhesive filled around the terminal portion. Is.
【0012】[0012]
【作用】本発明の鉛蓄電池では、極柱またはL字形端子
の端子部の側面に、周囲方向に張り出した階段状段差部
を設けており、この段差部の上面を前記極柱またはL字
形端子の周囲に充填した接着剤の表面よりも上方に位置
させている。このため、極柱または端子の周囲に接着剤
を充填して硬化させる場合、極柱または端子の側面を接
着剤が這い上がろうとしても、接着剤の表面は前記階段
状段差部の周縁部に沿って存在して段差部の平坦部分で
表面張力が途切れ、前記段差部の上面よりも上方への接
着剤の這い上がりを阻止することができる。In the lead acid battery of the present invention, a stepped step portion projecting in the circumferential direction is provided on the side surface of the terminal portion of the pole column or the L-shaped terminal, and the upper surface of the step portion is the pole column or the L-shaped terminal. It is located above the surface of the adhesive filled around the. Therefore, when the adhesive is filled around the poles or terminals to be hardened, even if the adhesive tries to crawl on the side surfaces of the poles or terminals, the surface of the adhesive is the peripheral portion of the stepped step portion. The surface tension is interrupted at the flat portion of the step portion existing along the line, and the creep of the adhesive above the upper surface of the step portion can be prevented.
【0013】したがって、極柱や端子に設けられた電池
接続用のボルト挿入穴まで接着剤が這い上がることはな
く、極柱や端子部分の接続不良を防止することができ
る。Therefore, the adhesive does not crawl up to the battery insertion bolt insertion holes provided in the poles and terminals, and it is possible to prevent defective connection of the poles and terminals.
【0014】[0014]
【実施例】以下、本発明の実施例を図面を参照にしなが
ら説明する。Embodiments of the present invention will be described below with reference to the drawings.
【0015】図1および図2に、本発明の鉛蓄電池の極
柱または端子の接着剤封口部分の断面図を示す。図1に
示したように、蓋2の極柱貫通穴3を取り囲む接着剤充
填用凹部4内には、前記貫通穴3を貫通しOリング5で
液密にシールされた極柱1の周囲に、封口用接着剤6と
してエポキシ樹脂が充填されている。また、前記極柱1
の側面には、周囲方向に2mm程度張り出した環状の突起
部分10が形成されており、この突起部分10の上面
は、前記凹部4内に充填されたエポキシ樹脂の表面より
も上方に位置していて、突起部分は接着剤6中に4〜6
mm程度埋没する長さに設けられている。エポキシ樹脂の
表面と極柱1との接触部分11は、前記突起部分10の
上面周縁部に沿って存在している。FIG. 1 and FIG. 2 are cross-sectional views of an adhesive sealing portion of a pole or a terminal of the lead storage battery of the present invention. As shown in FIG. 1, in the adhesive filling recess 4 surrounding the pole post through hole 3 of the lid 2, the periphery of the pole post 1 penetrating the through hole 3 and liquid-tightly sealed by an O-ring 5 is provided. Further, an epoxy resin is filled as the sealing adhesive 6. Also, the pole 1
An annular protrusion 10 is formed on the side surface of the protrusion 2 and protrudes about 2 mm in the circumferential direction. The upper surface of the protrusion 10 is located above the surface of the epoxy resin filled in the recess 4. And the protruding part is 4-6 in the adhesive 6.
It is provided in a length that allows it to be buried about mm. The contact portion 11 between the surface of the epoxy resin and the pole 1 exists along the peripheral edge of the upper surface of the protrusion 10.
【0016】また、図2に示したように、蓋2の上面で
極柱1の上部と、L字形端子8の一端部とが溶接されて
おり、この溶接部を取り囲む接着剤充填用凹部4内に
は、エポキシ樹脂が充填され、L字形端子8の上方へ突
出する端子部7の側面まで達している。そして、L字形
端子の端子部7の側面には、前記同様の環状の突起部分
10が形成されており、この突起部分10の上面は、前
記凹部4内に充填されたエポキシ樹脂の表面よりも上方
に位置している。また、エポキシ樹脂の表面とL字形端
子の端子部7との接触部分11は、前記突起部分10の
上面周縁部に沿って存在している。As shown in FIG. 2, the upper portion of the pole 1 and the one end of the L-shaped terminal 8 are welded to each other on the upper surface of the lid 2, and the adhesive filling concave portion 4 surrounding the welded portion 4 is welded. The inside is filled with epoxy resin and reaches the side surface of the terminal portion 7 protruding above the L-shaped terminal 8. Then, on the side surface of the terminal portion 7 of the L-shaped terminal, an annular protruding portion 10 similar to the above is formed, and the upper surface of the protruding portion 10 is higher than the surface of the epoxy resin filled in the concave portion 4. It is located above. Further, a contact portion 11 between the surface of the epoxy resin and the terminal portion 7 of the L-shaped terminal exists along the upper peripheral edge portion of the protrusion portion 10.
【0017】上記の2種類の鉛蓄電池の公称仕様は、1
2V60Ahであり、前記環状の突起部分10の上面よ
りも上方にある。The nominal specifications of the above two types of lead-acid batteries are 1
2V60Ah, which is above the upper surface of the annular protrusion 10.
【0018】極柱1またはL字形端子の端子部7の大き
さは、縦25mm、横10mm、高さ25mmで、ボルト挿入
穴9は前記突起部分10の上面よりも10mm上方に設け
られている。The pole 1 or the terminal portion 7 of the L-shaped terminal has a size of 25 mm in length, 10 mm in width, and 25 mm in height, and the bolt insertion hole 9 is provided 10 mm above the upper surface of the protruding portion 10. .
【0019】したがって、これらの構成により、極柱や
端子部に設けられたボルト挿入穴までエポキシ樹脂が這
い上がってくることはなく、電池接続時にボルト挿入穴
付近にエポキシ樹脂が存在することによる極柱や端子部
分の接続不良を防止することができる。なお、本実施例
では、極柱または端子部の側面の一部に、環状の突起部
分を設けたが、これ以外に極柱または端子部の太さを上
部を細く下部を太くして階段状の段差部分を設けても同
様の効果が得られる。Therefore, with these configurations, the epoxy resin does not crawl up to the bolt insertion holes provided in the poles and terminals, and the epoxy resin exists near the bolt insertion holes when the battery is connected. It is possible to prevent the connection failure of the pillar and the terminal portion. In the present embodiment, a part of the side surface of the pole column or the terminal portion is provided with a ring-shaped protruding portion, but in addition to this, the pole column or the terminal portion has a stepped shape with a thin upper portion and a thick lower portion. Even if a stepped portion is provided, the same effect can be obtained.
【0020】また、本実施例では、封口用接着剤として
エポキシ樹脂を用いたが、これ以外にポリオレフィン系
樹脂等の熱可塑性樹脂を用いても同様の効果が得られ
る。In this embodiment, the epoxy resin is used as the sealing adhesive, but a thermoplastic resin such as a polyolefin resin can be used to obtain the same effect.
【0021】[0021]
【発明の効果】以上のように、本発明の鉛蓄電池では、
極柱またはL字形端子の端子部の側面に、周囲方向に張
り出した階段状段差部を設け、その段差部の上面を周囲
に充填した接着剤の表面よりも上方に位置させているの
で、接着剤の表面は前記階段状段差部上面の周縁部に沿
って存在するようになるのみで、極柱や端子の側面への
接着剤の這い上がりを阻止することができる。As described above, in the lead acid battery of the present invention,
Since a step-like stepped portion projecting in the circumferential direction is provided on the side surface of the terminal portion of the pole or L-shaped terminal, and the upper surface of the stepped portion is located above the surface of the adhesive filling the surroundings The surface of the agent only exists along the peripheral portion of the upper surface of the stepped step portion, and it is possible to prevent the adhesive from creeping up to the side surfaces of the poles and terminals.
【0022】したがって、極柱や端子に設けられた電池
接続用のボルト挿入穴まで接着剤が這い上がることによ
る極柱や端子部分の接続不良を防止することができる。Therefore, it is possible to prevent the connection failure of the pole column and the terminal portion due to the adhesive creeping up to the bolt insertion hole for battery connection provided in the pole column and the terminal.
【図1】本発明の鉛蓄電池の極柱の封口部分を示す断面
図FIG. 1 is a sectional view showing a sealing portion of a pole of a lead-acid battery of the present invention.
【図2】本発明の鉛蓄電池のL字形端子の封口部分を示
す断面図FIG. 2 is a cross-sectional view showing a sealing portion of an L-shaped terminal of the lead storage battery of the present invention.
【図3】従来の鉛蓄電池の極柱の封口部分を示す断面図FIG. 3 is a sectional view showing a sealing portion of a pole column of a conventional lead-acid battery.
【図4】従来の鉛蓄電池のL字形端子の封口部分を示す
断面図FIG. 4 is a cross-sectional view showing a sealing portion of an L-shaped terminal of a conventional lead storage battery.
1 極柱 2 蓋 3 極柱貫通穴 4 接着剤充填用凹部 5 Oリング 6 接着剤(エポキシ樹脂) 7 端子部 8 L字形端子 9 ボルト挿入穴 10 環状の突起部分 11 エポキシ樹脂の表面と極柱または端子部との接触
部分1 Pole 2 Cover 3 Pole through hole 4 Adhesive filling recess 5 O-ring 6 Adhesive (epoxy resin) 7 Terminal 8 L-shaped terminal 9 Bolt insertion hole 10 Ring-shaped protrusion 11 Epoxy resin surface and pole Or the contact part with the terminal part
───────────────────────────────────────────────────── フロントページの続き (72)発明者 桑原 外男 大阪府門真市大字門真1006番地 松下電器 産業株式会社内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Soto Kuwahara 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.
Claims (4)
剤充填用凹部を設けた蓋とを備え、 前記極柱貫通穴を貫通してシール部材により前記穴との
間が液密に保たれた極柱には、周囲方向に張り出した階
段状段差部を設け、その段差部の上面は、前記凹部内に
充填した接着剤の表面よりも上方に位置している鉛蓄電
池。1. A pole column provided in a pole plate group, a pole column through hole through which the pole column penetrates, and a lid provided with an adhesive agent filling recess surrounding the hole, and the pole column through hole is penetrated. Then, a stepped step portion that projects in the circumferential direction is provided on the pole column that is kept liquid-tight with the hole by the sealing member, and the upper surface of the stepped portion is formed of the adhesive filled in the recess. Lead-acid battery located above the surface.
請求項1記載の鉛蓄電池。2. The lead storage battery according to claim 1, wherein the stepped step portion is an annular protrusion portion.
上部と溶接されたL字形端子と、 前記L字形端子の他端部と極柱の上部との溶接部を取り
囲む接着剤充填用凹部を設けた蓋とを備え、 前記L字形端子の上方へ突出する端子部には、周囲方向
に張り出した階段状段差部を設け、その段差部の上面
は、前記凹部内に充填した接着剤の表面よりも上方に位
置している鉛蓄電池。3. An L-shaped terminal having a pole provided on the electrode plate group, a terminal portion protruding upward at one end, and the other end welded to an upper portion of the pole, and an L-shaped terminal of the L-shaped terminal. A terminal provided with an adhesive filling recess surrounding the welded portion between the other end and the upper portion of the pole, and the terminal portion protruding above the L-shaped terminal has a stepped step portion projecting in the circumferential direction. The lead storage battery in which the upper surface of the step portion is located above the surface of the adhesive agent filled in the recess.
請求項3記載の鉛蓄電池。4. The lead storage battery according to claim 3, wherein the stepped step portion is an annular protrusion portion.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18113893A JP3221164B2 (en) | 1993-07-22 | 1993-07-22 | Lead storage battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP18113893A JP3221164B2 (en) | 1993-07-22 | 1993-07-22 | Lead storage battery |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0737560A true JPH0737560A (en) | 1995-02-07 |
JP3221164B2 JP3221164B2 (en) | 2001-10-22 |
Family
ID=16095556
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP18113893A Expired - Lifetime JP3221164B2 (en) | 1993-07-22 | 1993-07-22 | Lead storage battery |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3221164B2 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102983303A (en) * | 2012-12-17 | 2013-03-20 | 朱杰 | Improved rapid anticorrosion type wiring device for storage battery |
KR20160031050A (en) | 2010-08-09 | 2016-03-21 | 신토고교 가부시키가이샤 | Blasting apparatus |
WO2017111280A1 (en) * | 2015-12-23 | 2017-06-29 | 주식회사 엘지화학 | Secondary battery pack |
CN107732128A (en) * | 2017-09-29 | 2018-02-23 | 超威电源有限公司 | A kind of connection terminal structure for accumulator |
-
1993
- 1993-07-22 JP JP18113893A patent/JP3221164B2/en not_active Expired - Lifetime
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR20160031050A (en) | 2010-08-09 | 2016-03-21 | 신토고교 가부시키가이샤 | Blasting apparatus |
CN102983303A (en) * | 2012-12-17 | 2013-03-20 | 朱杰 | Improved rapid anticorrosion type wiring device for storage battery |
WO2017111280A1 (en) * | 2015-12-23 | 2017-06-29 | 주식회사 엘지화학 | Secondary battery pack |
US10581035B2 (en) | 2015-12-23 | 2020-03-03 | Lg Chem, Ltd. | Secondary battery pack |
CN107732128A (en) * | 2017-09-29 | 2018-02-23 | 超威电源有限公司 | A kind of connection terminal structure for accumulator |
CN107732128B (en) * | 2017-09-29 | 2020-06-30 | 超威电源集团有限公司 | Storage battery wiring terminal structure |
Also Published As
Publication number | Publication date |
---|---|
JP3221164B2 (en) | 2001-10-22 |
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