JPH0722016B2 - Bulb base - Google Patents
Bulb baseInfo
- Publication number
- JPH0722016B2 JPH0722016B2 JP61018440A JP1844086A JPH0722016B2 JP H0722016 B2 JPH0722016 B2 JP H0722016B2 JP 61018440 A JP61018440 A JP 61018440A JP 1844086 A JP1844086 A JP 1844086A JP H0722016 B2 JPH0722016 B2 JP H0722016B2
- Authority
- JP
- Japan
- Prior art keywords
- tubular body
- surface portion
- shell
- base
- insulator
- 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 - Fee Related
Links
- 230000002093 peripheral effect Effects 0.000 claims description 25
- 239000012212 insulator Substances 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 11
- 229920005989 resin Polymers 0.000 claims description 11
- 239000011521 glass Substances 0.000 description 8
- 238000007789 sealing Methods 0.000 description 6
- 229910001369 Brass Inorganic materials 0.000 description 5
- 206010014357 Electric shock Diseases 0.000 description 5
- 239000010951 brass Substances 0.000 description 5
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 238000000465 moulding Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- 238000005491 wire drawing Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- MOFOBJHOKRNACT-UHFFFAOYSA-N nickel silver Chemical compound [Ni].[Ag] MOFOBJHOKRNACT-UHFFFAOYSA-N 0.000 description 2
- 239000010956 nickel silver Substances 0.000 description 2
- 229920001721 polyimide Polymers 0.000 description 2
- 239000004642 Polyimide Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000009719 polyimide resin Substances 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
Landscapes
- Common Detailed Techniques For Electron Tubes Or Discharge Tubes (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Mechanical Treatment Of Semiconductor (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は電球口金に関するものである。Description: FIELD OF THE INVENTION The present invention relates to a bulb base.
従来の技術 従来の電球口金は通常口金シェルをガラスからなる絶縁
体を介してアイレットと一体化した構造になっていた。2. Description of the Related Art Conventional light bulb caps usually have a structure in which a cap shell is integrated with an eyelet via an insulator made of glass.
発明が解決しようとする問題点 しかしながら、このような電球口金をこの口金シェルの
内径に近いか、またはそれより小さい外径を有するガラ
ス球のネック部に固定してなる電球は、電球ソケットに
取付ける時または取外す時に、口金シェルに指が接触し
やすく、感電するというおそれがあった。DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention However, a light bulb in which such a light bulb base is fixed to a neck portion of a glass bulb having an outer diameter close to or smaller than the inner diameter of the base shell is attached to a light bulb socket. At the time of removal or removal, there was a risk that a finger could easily come into contact with the mouthpiece shell, resulting in electric shock.
本発明は電球ソケットに取付ける時等に、口金シェルに
指が接触して感電するおそれのない電球口金を提供する
ものである。The present invention provides a bulb cap that does not cause an electric shock when a finger comes into contact with the cap shell when it is attached to a bulb socket.
問題点を解決するための手段 本発明の電球口金は、両端開口の金属製筒状体の一端開
口周縁に、前記筒状体の一端開口周縁に前記筒状体の内
方へ向かって連設された平面部とこの平面部の端縁に前
記筒状体と同心円的に連設された周面部とからなる段部
を形成し、前記段部の平面部と段部周面部との連設部に
複数個の穴を設け、外側に口金シェルを設けた樹脂絶縁
体の一端部に前記段部を前記口金シェルと絶縁して前記
穴を含むように埋設し、かつ前記絶縁体の他端部にアイ
レットを設けた構成を有する。Means for Solving the Problems A light bulb cap of the present invention is provided so as to be continuously connected to an end opening peripheral edge of a metal tubular body having openings at both ends and an end opening peripheral edge of the tubular body inwardly of the tubular body. A step portion formed of a flat surface portion and a peripheral surface portion concentrically connected to the cylindrical body at the end edge of the flat surface portion, and the flat portion of the step portion and the peripheral surface portion of the step portion are connected continuously. A plurality of holes in the portion, and the stepped portion is insulated from the mouthpiece shell at one end of a resin insulator provided with a mouthpiece shell on the outside and embedded so as to include the hole, and the other end of the insulator The eyelet is provided in the part.
作用 電球口金の一端部に金属製筒状体を口金シェルと絶縁し
て設けているので、かかる電球口金を備えた電球を電球
ソケットに取付ける時等に、口金シェルに指が接触して
感電するおそれがない。また、金型内に筒状体、口金シ
ェルおよびアイレットを入れ、これらを樹脂で一体化す
るために、樹脂を圧縮成型するが、その圧縮成型時、筒
状体の段部に設けた穴を通して圧縮力が分散されるの
で、段部の周面部に加わる力が弱められ、このため段部
周面部が外方へ押し広げられるのを防止することができ
て、筒状体と口金シェルとを十分な絶縁距離に維持する
ことができる。Action A metal tubular body is provided at one end of the base of the light bulb so as to be insulated from the base of the base, so when attaching a light bulb equipped with such a base of the light bulb to a light bulb socket, a finger comes into contact with the base of the base to receive electric shock There is no fear. Moreover, the resin is compression molded in order to put the tubular body, the die shell and the eyelet in the mold and integrate them with the resin, but at the time of the compression molding, through the hole provided in the step of the tubular body. Since the compressive force is dispersed, the force applied to the peripheral surface portion of the step portion is weakened, so that the step peripheral surface portion can be prevented from being expanded outward, and the tubular body and the mouthpiece shell can be prevented. A sufficient insulation distance can be maintained.
実施例 第１図に示すように、本発明実施例の電球口金は、両端
開口の筒状体１の一端開口周縁にこの筒状体の内方へ向
かう段部２を形成し、この段部の角部、つまり筒状体１
の一端開口周縁に連設する平面部と前記筒状体の周面部
と同心円的な位置関係にある周面部とに複数個の穴３を
設け、外側に口金シェル４を設けた絶縁体５の一端部に
段部２を、口金シェル４と絶縁して穴３を含むように埋
設し、かつ絶縁体５の他端部にアイレット６を設けたも
のである。筒状体１は洋銀等の溶接の可能な金属からな
り、第５図に示すように、周面部に内方へ突出する凹部
７を相対向して設け、前記したように段部２に穴３を設
けている。また、段部２にガラス球の封着部両側面部挿
入用の切欠８を相対向して設けている。なお、筒状体１
の一端開口周縁部内側にはガラス球の封着部をクランプ
するためのクランプリングが嵌合され、その両者が溶接
される。口金シェル４は黄銅からなり、第２図に示すよ
うに、ねじ部９とリード線引出部用穴10とを有してい
る。アイレット６は黄銅からなり、第２図に示すよう
に、リード線引出用穴11を有している。絶縁体５はポリ
イミド等の樹脂からなり、筒状体１、口金シェル４およ
びアイレット６を一体化し、筒状体１と口金シェル４
間、および口金シェル４とアイレット６間をそれぞれ絶
縁している。この一体化は金型内にアイレット６、口金
シェル４および筒状体１を所定の間隔に保って垂直方向
へ入れ、さらにか粒状の樹脂を入れて圧縮成型すること
により行われる。また、絶縁体５の内部にはガラス球の
封着部を挿入するための成型部12とこの封着部から外部
に導出されたリード線引出用穴10,11を形成するための
成型部13,14とを有している。EXAMPLE As shown in FIG. 1, the bulb cap of the example of the present invention has a stepped portion 2 which is formed at both ends of a tubular body 1 at one end opening peripheral edge thereof and extends inwardly of the tubular body. Corner, that is, tubular body 1
Of the insulator 5 in which a plurality of holes 3 are provided in a flat surface portion which is connected to the opening peripheral edge of one end and a peripheral surface portion which is in a concentric positional relationship with the peripheral surface portion of the cylindrical body, and a cap shell 4 is provided on the outside. The stepped portion 2 is embedded at one end so as to be insulated from the base shell 4 so as to include the hole 3, and the eyelet 6 is provided at the other end of the insulator 5. The tubular body 1 is made of a weldable metal such as silver, and as shown in FIG. 5, concave portions 7 projecting inward are provided in the peripheral surface portion so as to face each other, and the step portion 2 has a hole as described above. 3 is provided. Further, notches 8 for inserting both side surface portions of the sealing portion of the glass ball are provided in the step portion 2 so as to face each other. The tubular body 1
A clamp ring for clamping the sealed portion of the glass bulb is fitted inside the one end opening peripheral edge portion, and both are welded. The base shell 4 is made of brass, and as shown in FIG. 2, has a threaded portion 9 and a lead wire drawing portion hole 10. The eyelet 6 is made of brass and has a lead wire drawing hole 11 as shown in FIG. The insulator 5 is made of a resin such as polyimide, and the tubular body 1, the base shell 4 and the eyelet 6 are integrated to form the tubular body 1 and the base shell 4
And the base shell 4 and the eyelet 6 are insulated from each other. This integration is carried out by inserting the eyelet 6, the mouthpiece shell 4 and the tubular body 1 in the mold in the vertical direction at a predetermined interval, and further inserting a granular resin and performing compression molding. Further, inside the insulator 5, a molding portion 12 for inserting the sealing portion of the glass bulb and a molding portion 13 for forming the lead wire drawing holes 10 and 11 led out to the outside from the sealing portion. , 14 and.
第３図は本発明実施例の電球口金の斜視図、第４図は同
平面図をそれぞれ示す。FIG. 3 is a perspective view of the bulb cap of the embodiment of the present invention, and FIG. 4 is a plan view thereof.
以上のように、本発明実施例の電球口金は、口金シェル
４の内径に近いか、またはそれより小さい外径を有する
ガラス球の封着部に固定した構造を採っても、筒状体１
の一端開口周縁にこの筒状体の内方へ向かう段部２を形
成し、外側に口金シェル４を設けた絶縁体５の一端部に
筒状体１の段部２を、口金シェル４と絶縁して設けてい
るので、電球ソケットに取付ける時または取外す時に、
口金シェル４に指が接触して感電するというおそれがな
い。また、筒状体１の段部２に穴３を設け、この穴を含
むように絶縁体５の一端部に筒状体１の段部２を埋設し
ているので、金型内に筒状体１、口金シェル４およびア
イレット６を入れ、さらにか粒状の樹脂を入れて圧縮成
型する時、圧縮力が穴３を通して分散されるため、筒状
体１の周面部と同心円的な位置関係にある段部２の周面
部に加わる力が弱められ、その結果段部２の周面部が外
方へ押し広げられるのを防止することができる。したが
って、筒状体１の段部と口金シェル４のの開口部とが接
近しすぎることがなく、筒状体１と口金シェル４とを十
分な絶縁距離に維持することができる。さらに、かかる
電球口金を用いれば、絶縁体５の内部に電球の封着部挿
入用の成型部12を設けているので、電球全長を短くした
コンパクト電球を得ることができる。また、筒状体１に
凹部７を設けているので、絶縁体５の成型部12と筒状体
１の切欠８との位置決めをすることができるとともに、
金型内に形成した突起部に凹部７を係合することによ
り、筒状体１が口金シェル４とほぼ同一外径の場合で
も、金型内で筒状体１を口金シェル４から所定の間隔を
あけて保持することができる。As described above, even if the bulb base of the embodiment of the present invention has a structure in which it is fixed to the sealing portion of the glass bulb having an outer diameter close to or smaller than the inner diameter of the base shell 4, the tubular body 1
A step portion 2 that extends inwardly of the tubular body is formed at one end opening edge of the cylindrical body, and a step portion 2 of the tubular body 1 is formed at one end portion of an insulator 5 provided with a mouthpiece shell 4 on the outside. Since it is provided with insulation, when installing or removing it in the light bulb socket,
There is no fear that a finger will come into contact with the base shell 4 and receive an electric shock. Further, since the step 3 of the tubular body 1 is provided with the hole 3 and the step 2 of the tubular body 1 is embedded in one end of the insulator 5 so as to include the hole, the tubular shape is formed in the mold. When the body 1, the die shell 4 and the eyelet 6 are put in, and further granular resin is put in and compression-molded, the compression force is dispersed through the holes 3, so that the cylindrical body 1 has a concentric positional relationship with the peripheral surface portion. The force applied to the peripheral surface portion of a certain step portion 2 is weakened, and as a result, the peripheral surface portion of the step portion 2 can be prevented from being pushed outward. Therefore, the step portion of the tubular body 1 and the opening portion of the base shell 4 do not come too close to each other, and the tubular body 1 and the base shell 4 can be maintained at a sufficient insulating distance. Further, by using such a light bulb base, the molding portion 12 for inserting the sealing portion of the light bulb is provided inside the insulator 5, so that a compact light bulb having a reduced total length of the light bulb can be obtained. Further, since the tubular body 1 is provided with the recessed portion 7, the molding portion 12 of the insulator 5 and the notch 8 of the tubular body 1 can be positioned, and
By engaging the concave portion 7 with the protrusion formed in the mold, even if the cylindrical body 1 has substantially the same outer diameter as the die shell 4, the tubular body 1 is moved from the die shell 4 to a predetermined position in the die. It can be held at intervals.
次に、本発明の具体的な例を説明する。Next, a specific example of the present invention will be described.
筒状体１として洋銀からなり、外径18mm、厚さ0.25mmの
ものを、口金シェル４として黄銅からなり、厚さ0.3mm
のE17型口金を、アイレット６として黄銅からなり、厚
さ0.18mmのものを、絶縁体５としてポリイミドの樹脂を
それぞれ用い、第１図〜第４図に示す構造のE17/25×18
の電球口金を製作し、これを一端に封着部を有し、内部
に100V75Wのフィラメントを有する外径14mmのガラス球
に取付けて点灯し、充電部の試験指（電気用品取締法に
規定）を用いて試験したところ、口金シェルからの漏電
は全くなかった。また、3000時間点灯後の口金性能を調
べたところ、筒状体１と口金シェル４との間の耐電圧は
3.4kVと０時間の場合と変化がなく、また樹脂の耐電圧
は6kV/mmと十分にあった。さらに、電球口金とガラス球
との間のトルク強度は3.1Nmであった。The tubular body 1 is made of nickel silver and has an outer diameter of 18 mm and a thickness of 0.25 mm, and the base shell 4 is made of brass and has a thickness of 0.3 mm.
E17 type base made of brass as the eyelet 6 and having a thickness of 0.18 mm and polyimide resin as the insulator 5 are used, and the E17 / 25 × 18 of the structure shown in FIGS.
The bulb of the bulb is manufactured, and it has a sealing part at one end and is attached to a glass ball with an outer diameter of 14 mm that has a 100 V 75 W filament inside and it lights up, and the test finger of the charging part (specified in the Electrical Appliance and Material Control Law) There was no leakage from the base shell when tested. Also, when the cap performance after lighting for 3000 hours was examined, the withstand voltage between the tubular body 1 and the cap shell 4 was found to be
There was no change from the value of 3.4 kV at 0 hours, and the withstand voltage of the resin was sufficient at 6 kV / mm. Furthermore, the torque strength between the bulb cap and the glass bulb was 3.1 Nm.
なお、上記実施例では筒状体の材料として洋銀を用いた
例を説明したが、黄銅等を用いてもよい。In addition, in the above-mentioned embodiment, an example in which nickel silver is used as the material of the tubular body has been described, but brass or the like may be used.
また、筒状体の段部の角部に穴を設ける場合、段部の平
面部と周面部における穴の大きさの比率を変えてもよ
い。さらに、本発明ではその穴は段部の平面部のみに設
けてもよい。Further, when the holes are provided at the corners of the step portion of the tubular body, the ratio of the size of the holes in the flat surface portion to the peripheral surface portion of the step portion may be changed. Further, in the present invention, the hole may be provided only in the flat portion of the step.
また、上記実施例では口金シェルに２つのリード線引出
部用穴を設けた例を説明したたが、これらのほかに、リ
ード線引出部用ではない穴を設けてもよい。これによっ
て、口金シェルに加わる大きなねじり力に対しても、絶
縁体に口金シェルをきわめて強固に固定することができ
る。Further, in the above-described embodiment, an example in which two lead wire lead-out portion holes are provided in the base shell has been described, but in addition to these, holes not for lead wire lead-out portions may be provided. As a result, the base shell can be extremely firmly fixed to the insulator even with a large twisting force applied to the base shell.
以上説明したように、両端開口の金属製筒状体の一端開
口周縁に、前記筒状体の一端開口周縁に前記筒状体の内
方へ向かって連設された平面部とこの平面部の端縁に前
記筒状体と同心円的に連設された周面部とからなる段部
を形成し、前記段部の平面部と段部周面部との連設部に
複数個の穴を設け、外側に口金シェルを設けた樹脂製絶
縁体の一端部に前記段部を前記口金シェルと絶縁して前
記穴を含むように埋設し、かつ前記絶縁体の他端部にア
イレットを設けたことにより、電球ソケットに取付ける
時または取外す時に、口金シェルに指が接触して感電す
るというおそれがなく、また金型内にアイレット、口金
シェルおよび筒状体とともに樹脂を入れて樹脂を圧縮成
型する時、圧縮力が筒状体の段部に設けた穴を通して分
散されるので、段部の周面部に加わる力が弱められ、こ
のため段部の周面部が外方へ押し広げられるのを防止す
ることができて、筒状体と口金シェルとを十分な絶縁距
離に確実に維持することができる等従来に比べて安全性
を著しく向上することができるものである。As described above, a flat surface portion continuously provided inwardly of the cylindrical body at one end opening peripheral edge of the metal cylindrical body having both end openings and the flat surface portion of this flat surface portion. A step portion formed of a peripheral surface portion concentrically connected with the cylindrical body is formed at an end edge, and a plurality of holes are provided in a continuous portion of the flat surface portion of the step portion and the step portion peripheral surface portion. By embedding the stepped portion at one end of a resin insulator having a cap shell provided on the outside so as to insulate the cap shell and include the hole, and by providing an eyelet at the other end of the insulator. When attaching to or removing from a light bulb socket, there is no risk of electric shock due to fingers coming into contact with the base shell, and when the resin is put into the mold together with the eyelet, base shell and tubular body to mold the resin, Since the compressive force is distributed through the holes provided in the step of the cylindrical body, The force applied to the peripheral surface portion of the step is weakened, so that the peripheral surface portion of the step can be prevented from being expanded outward, and the cylindrical body and the cap shell are reliably maintained at a sufficient insulation distance. Therefore, the safety can be remarkably improved as compared with the conventional case.
第１図は本発明の一実施例である電球口金の第４図のI
−I線に沿って切断した断面図、第２図は同電球口金の
第４図のII−II線に沿って切断した断面図、第３図は同
電球口金の斜視図、第４図は同平面図、第５図は筒状体
の拡大斜視図である。 １……筒状体、２……段部、３……穴、４……口金シェ
ル、５……絶縁体、６……アイレット。FIG. 1 is an I of FIG. 4 of a light bulb base which is an embodiment of the present invention.
-I is a cross-sectional view taken along the line I, Fig. 2 is a cross-sectional view taken along the line II-II of Fig. 4 of the same bulb cap, Fig. 3 is a perspective view of the same, and Fig. 4 is The same plan view and FIG. 5 are enlarged perspective views of the cylindrical body. 1 ... Cylindrical body, 2 ... Step, 3 ... Hole, 4 ... Base shell, 5 ... Insulator, 6 ... Eyelet.
Claims (1)
に、前記筒状体の一端開口周縁に前記筒状体の内方へ向
かって連設された平面部とこの平面部の端縁に前記筒状
体と同心円的に連設された周面部とからなる段部を形成
し、前記段部の平面部と段部周面部との連設部に複数個
の穴を設け、外側に口金シェルを設けた樹脂製絶縁体の
一端部に前記段部を前記口金シェルと絶縁して前記穴を
含むように埋設し、かつ前記絶縁体の他端部にアイレッ
トを設けたことを特徴とする電球口金。1. A flat portion continuously connected to an inner peripheral edge of one end opening of a metallic cylindrical body having both end openings and an inner peripheral edge of the one end opening of the cylindrical body, and an end of the flat surface portion. An edge is formed with a step portion composed of the cylindrical body and a peripheral surface portion concentrically connected to each other, and a plurality of holes are provided in the connecting portion between the flat surface portion of the step portion and the step peripheral surface portion, and the outside The stepped portion is insulated from the mouthpiece shell at one end of a resin insulator having a mouthpiece shell provided therein and embedded so as to include the hole, and an eyelet is provided at the other end of the insulator. And the bulb base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61018440A JPH0722016B2 (en) | 1986-01-30 | 1986-01-30 | Bulb base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61018440A JPH0722016B2 (en) | 1986-01-30 | 1986-01-30 | Bulb base |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62177859A JPS62177859A (en) | 1987-08-04 |
| JPH0722016B2 true JPH0722016B2 (en) | 1995-03-08 |
Family
ID=11971697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61018440A Expired - Fee Related JPH0722016B2 (en) | 1986-01-30 | 1986-01-30 | Bulb base |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0722016B2 (en) |
-
1986
- 1986-01-30 JP JP61018440A patent/JPH0722016B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62177859A (en) | 1987-08-04 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |