JPH0326623Y2 - - Google Patents
Info
- Publication number
- JPH0326623Y2 JPH0326623Y2 JP1986092629U JP9262986U JPH0326623Y2 JP H0326623 Y2 JPH0326623 Y2 JP H0326623Y2 JP 1986092629 U JP1986092629 U JP 1986092629U JP 9262986 U JP9262986 U JP 9262986U JP H0326623 Y2 JPH0326623 Y2 JP H0326623Y2
- Authority
- JP
- Japan
- Prior art keywords
- lead member
- glass
- plating layer
- outer ring
- metal outer
- 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
Links
- 238000007747 plating Methods 0.000 claims description 38
- 229910052751 metal Inorganic materials 0.000 claims description 28
- 239000002184 metal Substances 0.000 claims description 28
- 239000011521 glass Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 21
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 20
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 13
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 229910052759 nickel Inorganic materials 0.000 claims description 10
- 239000010935 stainless steel Substances 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 9
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 7
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 2
- 238000005260 corrosion Methods 0.000 description 14
- 230000007797 corrosion Effects 0.000 description 14
- 238000004519 manufacturing process Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 3
- 229910052788 barium Inorganic materials 0.000 description 2
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- BIJOYKCOMBZXAE-UHFFFAOYSA-N chromium iron nickel Chemical compound [Cr].[Fe].[Ni] BIJOYKCOMBZXAE-UHFFFAOYSA-N 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910000623 nickel–chromium alloy Inorganic materials 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
Landscapes
- Manufacturing Of Electrical Connectors (AREA)
- Connections Arranged To Contact A Plurality Of Conductors (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、金属外環にリード部材をガラス封着
した気密端子に関する。[Detailed Description of the Invention] Industrial Application Field The present invention relates to an airtight terminal in which a lead member is glass-sealed to a metal outer ring.
従来の技術
自動車の電装容器などの長期にわたり高い気密
性、耐腐食性が要求される気密容器等に使用され
る気密端子の一般的従来例を、第４図及び第５図
より説明すると、第４図は気密端子１の断面図、
第５図は第４図の一部拡大図で、同図において、
２は鉄製の金属外環、３は鉄ニツケル合金製のリ
ード部材、４は金属外環２のリード封着穴５にリ
ード部材３を貫通させて封着したソーダガラス
（ソーダバリウムガラス、又はソーダライムガラ
ス）である。６はガラス封着後に金属外環２とリ
ード部材３の露出表面に被着形成された無電解ニ
ツケルメツキ、金メツキ等の発錆防止用の高耐腐
食性金属による仕上メツキ層である。（特公昭54
−28266号公報）
このような気密端子１において、鉄製の金属外
環２や、鉄ニツケル合金製のリード部材３は素地
のままだと、長期使用において表面から発錆によ
る腐食が始まり、気密端子の気密性が損なわれ
る。従つて、長期にわたり高い気密性や耐腐食性
が要求される気密端子１においては、上記のよう
に最終的にニツケルなどで露出金属面に仕上メツ
キが施される。この仕上メツキは、一般に気密端
子１の多数を回転バレルに入れて、無電解ニツケ
ルメツキ液に浸漬し、このメツキ液中でバレルを
転動させることで行われている。4 and 5, a general conventional example of an airtight terminal used in an airtight container such as an automobile electrical equipment container that requires high airtightness and corrosion resistance over a long period of time will be explained. Figure 4 is a cross-sectional view of the airtight terminal 1.
Figure 5 is a partially enlarged view of Figure 4, and in the same figure,
2 is a metal outer ring made of iron, 3 is a lead member made of an iron-nickel alloy, and 4 is soda glass (soda barium glass or soda lime glass). Reference numeral 6 denotes a finishing plating layer made of a highly corrosion-resistant metal for preventing rust, such as electroless nickel plating or gold plating, which is formed on the exposed surfaces of the metal outer ring 2 and the lead member 3 after glass sealing. (Tokuko Showa 54
-28266 Publication) In such an airtight terminal 1, if the iron metal outer ring 2 and the iron-nickel alloy lead member 3 are left as they are, corrosion due to rust will begin from the surface after long-term use, and the airtight terminal will deteriorate. airtightness is impaired. Therefore, in the airtight terminal 1 which requires high airtightness and corrosion resistance over a long period of time, the exposed metal surface is finally plated with nickel or the like as described above. This finish plating is generally performed by placing a large number of hermetic terminals 1 in a rotating barrel, immersing them in an electroless nickel plating solution, and rolling the barrel in the plating solution.
考案が解決しようとする問題点
上記気密端子１においては、次なる欠点があつ
た。Problems to be Solved by the Invention The above airtight terminal 1 had the following drawbacks.
第１に、気密端子製造において、最終の仕上メ
ツキ工程を省略することができず、量産性が悪
い。 First, in manufacturing hermetic terminals, the final finish plating step cannot be omitted, resulting in poor mass productivity.
第２に、最終工程の仕上メツキ時に、気密端子
１のリード部材３に外力が加わつて、リード部材
３が曲がつたり、ガラス４にクラツクが入ること
があつて、製造の歩留まりが悪い。 Second, during final plating in the final step, external force is applied to the lead member 3 of the airtight terminal 1, causing the lead member 3 to bend and cracks to form in the glass 4, resulting in a poor manufacturing yield.
第３に、気密端子１の金属表面に形成された仕
上メツキ層６に、第５図に示すようにピンホール
７が形成されると、このピンホール７から仕上メ
ツキ層６の下地の金属の腐食が開始されることが
ある。また、ガヤス封着後に仕上メツキした場
合、金属外環２やリード部材３の表面のガラス４
との境界線部分における仕上メツキが不十分にな
り易く、例えば第５図に示すように、リード部材
３の表面のガラス４との境界線部分上での仕上メ
ツキ層６′が極端に薄くなり、この部分からリー
ド部材３の素地表面の腐食が第５図の矢印方向に
進行することがある。このような理由から、気密
端子１は長期にわたり高い耐腐食性を維持するこ
とが難しく、信頼性に問題がある。 Third, when a pinhole 7 is formed in the finish plating layer 6 formed on the metal surface of the airtight terminal 1, as shown in FIG. Corrosion may begin. In addition, when finish plating is performed after Gayasu sealing, the glass 4 on the surface of the metal outer ring 2 and lead member 3
For example, as shown in FIG. 5, the finish plating layer 6' on the boundary line with the glass 4 on the surface of the lead member 3 becomes extremely thin. , Corrosion of the base surface of the lead member 3 may progress in the direction of the arrow in FIG. 5 from this portion. For these reasons, it is difficult for the airtight terminal 1 to maintain high corrosion resistance over a long period of time, and there is a problem in reliability.
問題点を解決するための手段
本考案は上記問題点に鑑みてなされたもので、
ステンレス製の金属外環に、表面に銅メツキ層と
電気ニツケルメツキ層を積層形成した鉄ニツケル
合金製のリード部材をソーダガラスで封着した気
密端子を提供する。Means for solving the problems This invention was made in view of the above problems.
To provide an airtight terminal in which an iron-nickel alloy lead member having a copper plating layer and an electric nickel plating layer laminated on the surface is sealed with soda glass to a stainless steel metal outer ring.
作 用
ステンレス製の金属外環と、表面に銅メツキ層
と電気ニツケルメツキ層を積層形成したリード部
材は耐腐食性に優れ、従つて金属外環にリード部
材をガラス封着した後で、仕上メツキを施す必要
が無くなる。また、リード部材の素地表面にメツ
キ層を２層で形成することで、下層又は上層のメ
ツキ層のピンホールが上層又は下層のメツキ層で
塞がれて、ピンホールによる腐食の進行は抑制さ
れ、特にリード部材のメツキ層における下層の銅
メツキ層はガラス封着時の熱でリード部材素地に
拡散して、リード部材表面でのメツキ層の付着力
を大にする作用を呈する。Function The lead member, which has a stainless steel outer ring and a copper plating layer and an electric nickel plating layer laminated on the surface, has excellent corrosion resistance. Therefore, after the lead member is glass-sealed to the metal outer ring, it can be finished plated. There is no need to apply In addition, by forming two plating layers on the base surface of the lead member, pinholes in the lower or upper plating layer are blocked by the upper or lower plating layer, suppressing the progress of corrosion due to pinholes. In particular, the lower copper plating layer in the plating layer of the lead member is diffused into the base of the lead member by the heat during glass sealing, and has the effect of increasing the adhesive force of the plating layer on the surface of the lead member.
実施例
以下、本考案の一実施例を第１図乃至第３図に
基づき説明する。Embodiment An embodiment of the present invention will be described below with reference to FIGS. 1 to 3.
第１図は本考案による気密端子８の断面図を示
し、これはステンレス製の金属外環９のリード封
着穴１０に、予め全表面に３〜7μmの厚さで銅メ
ツキ層１１と、５〜10μmの厚さで電気ニツケル
メツキ層１２を順次に被着形成した鉄ニツケル合
金製のリード部材１３を、ガラス１４で封着した
ものである。ガラス１４はソーダバリウムガラス
などのソーダガラスである。 FIG. 1 shows a cross-sectional view of an airtight terminal 8 according to the present invention, which has a lead sealing hole 10 in a metal outer ring 9 made of stainless steel, and a copper plating layer 11 with a thickness of 3 to 7 μm on the entire surface in advance. A lead member 13 made of an iron-nickel alloy, on which an electric nickel plating layer 12 with a thickness of 5 to 10 μm is successively deposited, is sealed with a glass 14. Glass 14 is soda glass such as soda barium glass.
この気密端子８は、例えば第３図に示す封着治
具１５を使つて、次のように製造される。封着治
具１５は、例えば後述理由でステンレス製で、そ
の上面の封着穴１６に上下逆にした金属外環９を
挿入し、次に金属外環９のリード封着穴１０に円
筒状のガラスタブレツト１４′を挿入してから、
ガラスタブレツト１４′内にメツキ処理されたリ
ード部材１３を挿入する。但し、封着治具１５に
おける封着穴１６の底面のガラスタブレツト１
４′と接する部分はガラスとのなじみ性の悪いガ
ラフアイト製治具１７で構成しておく。而して、
第３図の状態のものを約1000℃の加熱雰囲気中に
通して、ガラスタブレツト１４′を溶融させ、金
属外環９にリード部材１３をガラス封着し、その
後全体を冷却する。この冷却において、ステンレ
ス製金属外環９の熱膨張係数（180×10-7）とガ
ラス１４の熱膨張係数（98×10-7）の差でもつ
て、ガラス１４は金属外環９で圧縮されて、高い
気密性が保持される圧縮シール構造の気密端子８
が得られる。また、封着治具１５を金属外環９と
同じステンレス製にすることで、ガラス封着時に
封着穴１６内での金属外環９の位置ずれ量が微小
に抑制され、これにより金属外環９のリード封着
穴１０内におけるリード部材１３の偏心量が微小
になり、寸法的に高品質、均一な気密端子８が得
られる。また、気密端子８はガラス封着後の冷却
時に、鉄−ニツケル−クロム合金であるステンレ
スの金属外環９の表面にクロムの酸化膜
（Cr2O3）が形成され、この酸化膜は外部金属と
の溶接や冷間圧接などを難しくすることがある
が、ガラス封着時に金属外環９の後で外部金属と
溶接や圧接される上面を、第３図に示すように封
着治具１５の封着穴１６の底面に接触、又は接近
させておけば、金属外環９の上面の酸化が抑制さ
れ、酸化による問題が解決される。 This airtight terminal 8 is manufactured in the following manner using, for example, a sealing jig 15 shown in FIG. The sealing jig 15 is made of stainless steel, for example, for reasons described below.The metal outer ring 9 is inserted upside down into the sealing hole 16 on the upper surface of the sealing jig 15, and then a cylindrical outer ring 9 is inserted into the lead sealing hole 10 of the metal outer ring 9. After inserting the glass tablet 14',
The plated lead member 13 is inserted into the glass tablet 14'. However, the glass tablet 1 at the bottom of the sealing hole 16 in the sealing jig 15
The portion in contact with 4' is made of a jig 17 made of galafite, which has poor compatibility with glass. Then,
The state shown in FIG. 3 is passed through a heated atmosphere of about 1000 DEG C. to melt the glass tablet 14', the lead member 13 is glass-sealed to the metal outer ring 9, and then the whole is cooled. During this cooling, the glass 14 is compressed by the metal outer ring 9 due to the difference between the coefficient of thermal expansion of the stainless steel outer ring 9 (180×10 -7 ) and the coefficient of thermal expansion of the glass 14 (98×10 -7 ). The airtight terminal 8 has a compression seal structure that maintains high airtightness.
is obtained. In addition, by making the sealing jig 15 from the same stainless steel as the metal outer ring 9, the amount of positional deviation of the metal outer ring 9 within the sealing hole 16 during glass sealing is suppressed to a very small amount. The amount of eccentricity of the lead member 13 in the lead sealing hole 10 of the ring 9 becomes minute, and the hermetic terminal 8 with high quality and uniform dimensions can be obtained. In addition, when the airtight terminal 8 is cooled after glass sealing, a chromium oxide film (Cr 2 O 3 ) is formed on the surface of the stainless metal outer ring 9 which is an iron-nickel-chromium alloy, and this oxide film is removed from the outside. Although it may make welding or cold pressure welding with metal difficult, the upper surface that will be welded or pressure welded with external metal after the metal outer ring 9 during glass sealing can be fixed with a sealing jig as shown in Fig. 3. If the metal outer ring 9 is brought into contact with or close to the bottom surface of the sealing hole 16 of 15, oxidation of the upper surface of the metal outer ring 9 will be suppressed, and problems caused by oxidation will be solved.
このように製造された気密端子８の品質を考察
する。先ず、金属外環９にガラス封着される前の
リード部材１３のメツキ処理は回転バレル等を利
用して量産性良く、且つ歩留まり良く行える。ま
た、第２図に示すようにリード部材１３表面の下
層の銅メツキ層１１にピンホール１８が、上層の
電気ニツケルメツキ層１２にもピンホール１９が
形成されても、下層のピンホール１８と上層のピ
ンホール１９が重なる確率は皆無に近く、従つて
メツキ処理済みリード部材１３は高い耐腐食のも
のが安定して得られる。特に、リード部材１３の
表面の銅メツキ層１１は、ガラス封着時の約1000
℃の加熱温度でもつて銅メツキ層１１の銅成分が
鉄ニツケル合金のリード部材素地内に拡散して、
銅メツキ層１１のリード部材１３への結着力が増
大し、これにより電気ニツケルメツキ層１２のリ
ード部材１３への結着力も増大して、メツキ剥が
れの無い高品質のリード部材１３が得られる。 The quality of the airtight terminal 8 manufactured in this way will be considered. First, the plating process of the lead member 13 before being glass-sealed to the metal outer ring 9 can be performed using a rotating barrel or the like with good mass productivity and high yield. Furthermore, even if a pinhole 18 is formed in the lower copper plating layer 11 on the surface of the lead member 13 and a pinhole 19 is formed in the upper electric nickel plating layer 12 as shown in FIG. The probability that the pinholes 19 overlap is almost zero, and therefore the plated lead member 13 with high corrosion resistance can be stably obtained. In particular, the copper plating layer 11 on the surface of the lead member 13 has a thickness of about 1,000 when the glass is sealed.
Even at the heating temperature of ℃, the copper component of the copper plating layer 11 diffuses into the lead member base of the iron-nickel alloy.
The binding force of the copper plating layer 11 to the lead member 13 is increased, and thereby the binding force of the electric nickel plating layer 12 to the lead member 13 is also increased, and a high quality lead member 13 without peeling of the plating can be obtained.
このようなリード部材１３をガラス封着した金
属外環９は高い耐腐食性を有するステンレス製ゆ
え、上記要領で製造された気密端子８は最後に仕
上メツキすること無く、高い気密性、耐腐食性を
維持する。 Since the metal outer ring 9 in which the lead member 13 is glass-sealed is made of stainless steel with high corrosion resistance, the airtight terminal 8 manufactured in the above manner has high airtightness and corrosion resistance without final plating. maintain sexuality.
考案の効果
本考案によれば、気密端子製造の仕上メツキ工
程が省略でき、製造設備の縮小化、製造工程の減
少による量産性の向上が図れる。また、金属外環
とリード部材が共に耐腐食性に優れ、更に金属外
環は熱膨張係数の大きなステンレス製ゆえにリー
ド部材を封着するガラスを強く圧縮シールするの
で、長期にわたり高い気密性、耐腐食性に優れた
気密端子が提供できる。Effects of the invention According to the invention, the finish plating process for manufacturing airtight terminals can be omitted, and mass productivity can be improved by downsizing manufacturing equipment and reducing the number of manufacturing steps. In addition, both the metal outer ring and the lead member have excellent corrosion resistance, and since the metal outer ring is made of stainless steel with a large coefficient of thermal expansion, it strongly compresses and seals the glass that seals the lead member, providing high airtightness and durability over a long period of time. It is possible to provide airtight terminals with excellent corrosion resistance.
第１図は本考案に係る気密端子の一実施例を示
す断面図、第２図は第１図の一部拡大図、第３図
は第１図の気密端子を製造する封着治具の部分断
面図である。第４図は従来の気密端子の断面図、
第５図は第４図の一部拡大図である。
８……気密端子、９……金属外環、１１……銅
メツキ層、１２……電気ニツケルメツキ層、１３
……リード部材、１４……ガラス。
Fig. 1 is a sectional view showing an embodiment of the airtight terminal according to the present invention, Fig. 2 is a partially enlarged view of Fig. 1, and Fig. 3 is a sealing jig for manufacturing the airtight terminal of Fig. 1. FIG. Figure 4 is a cross-sectional view of a conventional airtight terminal.
FIG. 5 is a partially enlarged view of FIG. 4. 8... Airtight terminal, 9... Metal outer ring, 11... Copper plating layer, 12... Electric nickel plating layer, 13
...Lead member, 14...Glass.
Claims (1)
ツキ層と電気ニツケルメツキ層を積層形成した
鉄ニツケル合金等のリード部材とソーダガラス
で封着したことを特徴とする気密端子。 (2) 前記銅メツキ層の銅成分が、ガラス封着時の
加熱により鉄ニツケル合金製のリード部材に拡
散している、実用新案登録請求の範囲第(1)項記
載の気密端子。[Scope of Claim for Utility Model Registration] (1) Features: A stainless steel metal outer ring is sealed with a lead member made of iron-nickel alloy, etc., on which a copper plating layer and an electric nickel plating layer are laminated on the surface with soda glass. Airtight terminal. (2) The airtight terminal according to claim 1, wherein the copper component of the copper plating layer is diffused into the iron-nickel alloy lead member by heating during glass sealing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986092629U JPH0326623Y2 (en) | 1986-06-18 | 1986-06-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986092629U JPH0326623Y2 (en) | 1986-06-18 | 1986-06-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63474U JPS63474U (en) | 1988-01-05 |
| JPH0326623Y2 true JPH0326623Y2 (en) | 1991-06-10 |
Family
ID=30954499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986092629U Expired JPH0326623Y2 (en) | 1986-06-18 | 1986-06-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0326623Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6385010B2 (en) * | 2015-12-15 | 2018-09-05 | ショット日本株式会社 | Airtight terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558205U (en) * | 1978-06-30 | 1980-01-19 | ||
| JPS5534986A (en) * | 1978-09-04 | 1980-03-11 | Porigurafu Buerunaa Ramuberuts | Apparatus for piercing folded paper with binding thread |
| JPS563982A (en) * | 1979-06-25 | 1981-01-16 | Tokyo Shibaura Electric Co | Electric terminal |
-
1986
- 1986-06-18 JP JP1986092629U patent/JPH0326623Y2/ja not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS558205U (en) * | 1978-06-30 | 1980-01-19 | ||
| JPS5534986A (en) * | 1978-09-04 | 1980-03-11 | Porigurafu Buerunaa Ramuberuts | Apparatus for piercing folded paper with binding thread |
| JPS563982A (en) * | 1979-06-25 | 1981-01-16 | Tokyo Shibaura Electric Co | Electric terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63474U (en) | 1988-01-05 |
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