JPS6123680B2 - - Google Patents
Info
- Publication number
- JPS6123680B2 JPS6123680B2 JP10782384A JP10782384A JPS6123680B2 JP S6123680 B2 JPS6123680 B2 JP S6123680B2 JP 10782384 A JP10782384 A JP 10782384A JP 10782384 A JP10782384 A JP 10782384A JP S6123680 B2 JPS6123680 B2 JP S6123680B2
- Authority
- JP
- Japan
- Prior art keywords
- mounting base
- support pin
- switch
- circuit board
- printed circuit
- 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
- 239000002184 metal Substances 0.000 claims description 12
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- 230000004907 flux Effects 0.000 description 8
- 238000005476 soldering Methods 0.000 description 5
- 238000000465 moulding Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000007788 liquid Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Description
【発明の詳細な説明】
本発明は、自動半田付時にフラツクス上りのな
い構造としたプツシユオンスイツチ等の電気部品
を供給するものである。DETAILED DESCRIPTION OF THE INVENTION The present invention provides an electrical component such as a push-on switch that has a structure in which no flux rises during automatic soldering.
第１図にプツシユオンスイツチの従来例を示し
ており、この第１図はスイツチの下面図である。
図で１は金属端子７をインサート成型してなる樹
脂の取付台で、この取付台１の凹部底面に端子７
の固定接点部が位置するように設けられ、取付台
１の凹部内に装置された金属の可動接点ダイヤフ
ラム（図示せず）をプツシユボタン（図示せず）
をプツシユすることにより接点間を導通せしめる
構成となつている。上記取付台１下面のプリント
基板（図示せず）との取付接触面２〜５は少し盛
り上つている。また、取付台１下面の取付接触面
２〜５より少し低い面６に金属端子７をインサー
ト成型する際、金属端子７を支持するための成型
ピン（図示せず）の後に残る支持ピン穴８〜１０
を有している。 FIG. 1 shows a conventional example of a push-on switch, and FIG. 1 is a bottom view of the switch.
In the figure, 1 is a resin mounting base made by insert molding a metal terminal 7, and the terminal 7 is placed on the bottom of the recess of this mounting base 1.
A metal movable contact diaphragm (not shown) installed in the recess of the mounting base 1 is positioned such that the fixed contact part of the mount 1 is located in the push button (not shown).
The structure is such that conduction is established between the contacts by pushing the button. Mounting contact surfaces 2 to 5 with a printed circuit board (not shown) on the lower surface of the mounting base 1 are slightly raised. Also, when insert molding the metal terminal 7 on the surface 6 on the bottom surface of the mounting base 1, which is slightly lower than the mounting contact surfaces 2 to 5, the support pin hole 8 remaining after the molded pin (not shown) for supporting the metal terminal 7 is formed. ~10
have.
さて、このようなプツシユオンスイツチを自動
半田機械にてプリント基板に半田付けすると、プ
リント基板の端子穴等の穴からプリント基板面に
上昇する液体フラツクスが支持ピン穴８〜１０を
経てスイツチ内部へ侵入し、スイツチに不具合を
起すことがあつた。 Now, when such a push-on switch is soldered to a printed circuit board using an automatic soldering machine, the liquid flux that rises from the terminal holes etc. of the printed circuit board to the printed circuit board surface passes through the support pin holes 8 to 10 and enters the inside of the switch. There was a case where the computer entered the computer and caused a problem with the switch.
本発明は上記のようなフラツクス侵入のない電
気部品を提供しようとするものである。 The present invention aims to provide an electrical component free from flux penetration as described above.
以下、本発明の一実施例についてプツシユオン
スイツチの場合について第２図〜第４図とともに
説明する。図において、１１は金属端子１２，１
３をインサート成型してなる樹脂の取付台で、こ
の取付台１の凹部底面に端子１２，１３の固定接
点１４，１５が位置するように設けられている。
１６は取付台１１の凹部内に収納された金属製の
可動接点ダイヤフラムで、このダイヤフラム１６
はその周縁部が常時周縁側の固定接点１４と接し
ている。１７はプツシユボタン、１８は取付用蓋
であり、ボタン１７を押して端子１２，１３間を
金属ダイヤフラム１６を介して導通せしめる構成
である。そして、取付台１１にインサート成型さ
れる金属端子１２，１３の支持ピン穴１９〜２１
を該取付台１１下面の少し盛り上つたプリント基
板（図示せず）と接触する取付接触面２２〜２４
に設けており、かつこれらの支持ピン穴１９〜２
１は図示するように穴入口付近の径が大きい多段
階状としている。 Hereinafter, an embodiment of the present invention will be described in the case of a push-on switch with reference to FIGS. 2 to 4. In the figure, 11 is a metal terminal 12,1
3 is made of resin by insert molding, and fixed contacts 14 and 15 of terminals 12 and 13 are provided on the bottom surface of the recessed portion of the mount 1.
16 is a metal movable contact diaphragm housed in the recess of the mounting base 11;
The peripheral edge thereof is always in contact with the fixed contact 14 on the peripheral edge side. Reference numeral 17 indicates a push button, and reference numeral 18 indicates an attachment lid, which is configured so that the terminals 12 and 13 are electrically connected through the metal diaphragm 16 by pressing the button 17. Then, support pin holes 19 to 21 for the metal terminals 12 and 13 that are insert-molded in the mounting base 11 are provided.
mounting contact surfaces 22 to 24 that come into contact with a slightly raised printed circuit board (not shown) on the bottom surface of the mounting base 11.
and these support pin holes 19 to 2.
As shown in the figure, hole 1 has a multi-step shape with a large diameter near the hole entrance.
本発明の実施例によれば、従来自動半田付時の
フラツクスが支持ピン穴から侵入する恐れがあつ
たのに対し、取付台のプリント基板との取付接触
面に支持ピン穴を設けたことにより、プリント基
板と支持ピン穴とが密着するため、取付台内部へ
のフラツクスの侵入はきわめて少なく、実際に自
動半田付けを行つたところ事実上フラツクス侵入
は全くないものであつた。また、支持ピン穴を実
施例のように段付きにすると、フラツクス溜めの
役割も果してさらに効果は高いものである。そし
て、本発明はプツシユオンスイツチ以外の電気部
品にも適用できることはもちろんである。 According to the embodiment of the present invention, whereas conventionally there was a risk that flux during automatic soldering could enter through the support pin hole, the support pin hole is provided on the mounting contact surface of the mounting base with the printed circuit board. Since the printed circuit board and the support pin holes are in close contact with each other, the intrusion of flux into the inside of the mounting base is extremely small, and when automatic soldering was actually performed, there was virtually no flux intrusion at all. Furthermore, if the support pin holes are stepped as in the embodiment, they will also serve as a flux reservoir and will be even more effective. It goes without saying that the present invention can also be applied to electrical components other than push-on switches.
以上の説明のように、本発明により自動半田付
時のフラツクス上りの不具合のない電気部品を実
現することができるものである。 As described above, according to the present invention, it is possible to realize an electrical component free from the problem of flux build-up during automatic soldering.
第１図は従来例におけるプツシユオンスイツチ
の下面図、第２図は本発明に係る電気部品をプツ
シユオンスイツチに採用した一例の断面図、第３
図は同下面図、第４図は同スイツチを構成する金
属端子の上面図である。
１１……取付台、１２，１３……金属端子、１
９，２０，２１……支持ピン穴、２２，２３，２
４……取付接触面。
FIG. 1 is a bottom view of a conventional push-on switch, FIG. 2 is a cross-sectional view of an example of a push-on switch in which the electrical component according to the present invention is applied, and FIG.
The figure is a bottom view of the switch, and FIG. 4 is a top view of the metal terminals constituting the switch. 11... Mounting base, 12, 13... Metal terminal, 1
9, 20, 21...Support pin hole, 22, 23, 2
4...Mounting contact surface.
Claims (1)
を有する電気部品において、インサート金属端子
の支持ピン穴を上記取付台下面の少し盛り上つた
プリント基板との取付接触面に設けてなる電気部
品。 ２ 支持ピン穴を穴入口付近の径が大きい多段階
形状とした特許請求の範囲第１項記載の電気部
品。[Scope of Claims] 1. In an electrical component having a resin mounting base in which a metal terminal is insert-molded, a support pin hole for the insert metal terminal is provided in a slightly raised mounting contact surface with a printed circuit board on the lower surface of the mounting base. electrical parts. 2. The electrical component according to claim 1, wherein the support pin hole has a multi-stage shape with a larger diameter near the hole entrance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10782384A JPS60796A (en) | 1984-05-28 | 1984-05-28 | Electric part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10782384A JPS60796A (en) | 1984-05-28 | 1984-05-28 | Electric part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60796A JPS60796A (en) | 1985-01-05 |
| JPS6123680B2 true JPS6123680B2 (en) | 1986-06-06 |
Family
ID=14468939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10782384A Granted JPS60796A (en) | 1984-05-28 | 1984-05-28 | Electric part |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60796A (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01163353U (en) * | 1988-05-03 | 1989-11-14 | ||
| JPH01163354U (en) * | 1988-05-03 | 1989-11-14 | ||
| JPH01163355U (en) * | 1988-05-03 | 1989-11-14 | ||
| US5282779A (en) * | 1991-12-09 | 1994-02-01 | Mitsubishi Rayon Company Ltd. | Air jet for producing filter plug for cigarette |
-
1984
- 1984-05-28 JP JP10782384A patent/JPS60796A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60796A (en) | 1985-01-05 |
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