JP2975989B1 - Pin type AC power plug - Google Patents
Pin type AC power plugInfo
- Publication number
- JP2975989B1 JP2975989B1 JP10183837A JP18383798A JP2975989B1 JP 2975989 B1 JP2975989 B1 JP 2975989B1 JP 10183837 A JP10183837 A JP 10183837A JP 18383798 A JP18383798 A JP 18383798A JP 2975989 B1 JP2975989 B1 JP 2975989B1
- Authority
- JP
- Japan
- Prior art keywords
- case
- plug
- pin
- hole
- connecting member
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/28—Coupling parts carrying pins, blades or analogous contacts and secured only to wire or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
- H01R13/512—Bases; Cases composed of different pieces assembled by screw or screws
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R2103/00—Two poles
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
【要約】
【課題】 電気機器類のケースに対するプラグピンの組
み込みが低コストでなされ、また、組み込み後の強度が
充分に高いピン型ＡＣ電源用プラグを提供する。
【解決手段】 ソケット差し込み用の棒状をした一対の
プラグピン２１を、合成樹脂製の連結材２２を介して所
定の相対角度及び間隔を持たせて互いに一体化させ、各
プラグピン２１をケース１０に開けたプラグピン貫通孔
１１に、ケース１０の内側より通して外方に突出させ、
連結材２２の各プラグピン根元部に、ケース１０のプラ
グピン貫通孔１１に嵌り合う貫通孔嵌合部２３を一体に
備え、貫通孔嵌合部２３には、その外周面に環状凹溝２
４を設け、環状凹溝２４内に、プラグピン貫通孔１１の
内周縁を嵌合させてケース１０に対し連結材２２を抜け
止めし、かつ連結材２２の中央部分をケース１０の内側
にネジ止めする。The present invention provides a pin-type AC power plug in which plug pins are incorporated into a case of electric equipment at a low cost and the strength after the assembly is sufficiently high. SOLUTION: A pair of rod-shaped plug pins 21 for inserting a socket are integrated with each other at a predetermined relative angle and interval via a connecting member 22 made of synthetic resin, and each plug pin 21 is opened in the case 10. Through the inside of the case 10 and project outward through the plug pin through hole 11,
Each plug pin base of the connecting member 22 is integrally provided with a through hole fitting portion 23 that fits into the plug pin through hole 11 of the case 10. The through hole fitting portion 23 has an annular groove 2 on its outer peripheral surface.
4, the inner peripheral edge of the plug pin through hole 11 is fitted in the annular groove 24 to prevent the connecting member 22 from coming off from the case 10, and the central portion of the connecting member 22 is screwed to the inside of the case 10. I do.
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、主として海外にお
いて使用するバッテリーチャージャー等の電気機器に設
置するピン型ＡＣ電源用プラグに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pin-type AC power supply plug mainly installed in electric equipment such as a battery charger used overseas.
【０００２】[0002]
【従来の技術】一般に、日本国内の家庭用に使用されい
てるＡＣ電源用プラグには、一対の矩形状差込片を平行
配置に突設したものが使用されているが、海外の規格で
は、前記矩形状差込片の代わりに丸棒状をした一対のプ
ラグピンを突設したピン型ＡＣ電源用プラグが使用され
ている。2. Description of the Related Art In general, a plug for a pair of rectangular plugs projecting in a parallel arrangement is used for an AC power supply plug used for domestic use in Japan. Instead of the rectangular insertion piece, a pin-type AC power plug having a pair of round bar-shaped plug pins protruding is used.
【０００３】この種の従来のピン型ＡＣ電源用プラグを
使用したバッテリーチャージャー等の電気機器にあって
は、図４に示すようにケース１に対して一対のプラグピ
ン２，２を一体に埋め込んだものが一般的であり、その
製造に際しては、ケースを合成樹脂によってモールド成
形する際に、その金型内にプラグピンを設置しておく、
所謂インサート成形が使用されている。[0003] In an electric device such as a battery charger using a conventional pin-type AC power plug of this type, a pair of plug pins 2 and 2 are embedded in a case 1 as shown in FIG. In general, when manufacturing a case with a synthetic resin, plug pins are installed in the mold,
So-called insert molding is used.
【０００４】[0004]
【発明が解決しようとする課題】このような従来のピン
型ＡＣ電源用プラグにおいては、これを使用する電気機
器毎に、そのモールドケースにインサート成形する必要
があるためコスト高とならざるを得ないという問題があ
った。In such a conventional pin-type AC power supply plug, it is necessary to insert-mold it into a mold case for each electric device using the same, so that the cost becomes high. There was no problem.
【０００５】本発明はこのような従来の問題に鑑み、電
気機器類のケースに対するプラグピンの組み込みが低コ
ストでなされ、また、組み込み後の強度が充分に高いピ
ン型ＡＣ電源用プラグの提供を目的としたものである。The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a pin-type AC power supply plug in which a plug pin is incorporated into a case of electric equipment at low cost and has sufficiently high strength after being assembled. It is what it was.
【０００６】[0006]
【課題を解決するための手段】上述の如き従来の問題を
解決し、所期の目的を達成するための本発明の特徴は、
合成樹脂製ケースよりソケット差し込み用の棒状をした
一対のプラグピンを突出させ、前記両プラグピンを合成
樹脂製の連結材を介して所定の相対角度及び間隔を持た
せて互いに一体化させ、前記各プラグピンを前記ケース
に開けたプラグピン貫通孔に、該ケースの内側より通し
て外方に突出させ、前記連結材を前記ケースに固定して
なるピン型ＡＣ電源プラグにおいて、 SUMMARY OF THE INVENTION The features of the present invention for solving the conventional problems as described above and achieving the intended purpose are as follows.
A pair of socket-shaped rod-shaped plug pins for projecting from the synthetic resin case are protruded, and the two plug pins are integrated with each other at a predetermined relative angle and a predetermined distance via a synthetic resin connecting member. the plug pin through holes made in the casing and projecting outwardly through from the inside of the case, by fixing the coupling member to the case
Pin-type AC power plug
【０００７】前記連結材の各プラグピン根元部に、前記
ケースのプラグピン貫通孔に嵌り合う貫通孔嵌合部を一
体に備え、該貫通孔嵌合部には、その外周面に環状凹溝
を設け、該環状凹溝内に、プラグピン貫通孔の内周縁を
嵌合させて抜け止めしたことにある。[0007] At the base of each plug pin of the connecting member,
Make sure that there is a through hole fitting part that fits into the plug pin through hole of the case.
Body, the through-hole fitting portion has an annular groove on its outer peripheral surface.
The inner peripheral edge of the plug pin through hole is provided in the annular groove.
It was fitted and retained .
【０００８】なお、これと併用して、連結材の中央部分
をケースの内側にネジ止めすることがより好ましい。It is more preferable that the central portion of the connecting member is screwed to the inside of the case.
【０００９】[0009]
【作用】本発明においては、プラグピンを連結材に対し
て一体化させることによって、一対のプラグピンを、予
め画一的にブロック化しておくことができ、機種の異な
った電気機器類の多様なケースに対しても共通部品が使
用できる。According to the present invention, by integrating the plug pins with the connecting member, a pair of plug pins can be uniformly blocked in advance, so that various cases of various types of electric equipment can be used. Common parts can be used for
【００１０】また、連結材のプラグピン根本部分に、ケ
ースのプラグピン貫通孔に嵌り合う貫通孔嵌合部を設
け、その嵌合部の環状凹溝に貫通孔内周縁部を嵌合させ
ることにより連結材をケースに固定するようにしたこと
により、組み込み後のプラグピンに軸方向の衝撃が加わ
った際に、連結材に対する曲げ方向の外力が作用せず、
環状凹溝と貫通孔内周縁部の嵌合状態が損なわれない限
り、プラグピンの脱落が防止される。[0010] Further, a through hole fitting portion is provided at the base of the plug pin of the connecting member so as to fit into the plug pin through hole of the case, and the inner peripheral edge of the through hole is fitted into the annular groove of the fitting portion. By fixing the material to the case, when an axial impact is applied to the plug pin after assembly, no external force in the bending direction acts on the connecting material,
As long as the engagement between the annular groove and the inner peripheral edge of the through hole is not impaired, the plug pin is prevented from falling off.
【００１１】更に、連結材のケースに対するネジ止めと
合わせて、上記環状凹溝による結合構造を用いることに
より、プラグピンのケースに対する固定をより強固なも
のとできる。Further, by using the coupling structure by the annular groove in combination with the screwing of the connecting member to the case, the plug pin can be more securely fixed to the case.
【００１２】更に、上記環状凹溝と貫通孔内周縁との嵌
合は、圧入によって不可逆的に嵌合させることが可能で
ある。Further, the fitting between the annular groove and the inner peripheral edge of the through hole can be irreversibly fitted by press-fitting.
【００１３】[0013]
【発明の実施の形態】次に本発明の実施の形態を図面に
ついて説明する。Embodiments of the present invention will now be described with reference to the drawings.
【００１４】図において、１０は本発明のプラグを取り
付けるためのバッテリーチャージャー等の電気機器用の
合成樹脂製ケースである。このケース１０は合成樹脂材
料をもってモールド成形されており、プラグピン取り付
け位置に一対のプラグピン貫通孔１１，１１が開口され
ている。In the drawing, reference numeral 10 denotes a synthetic resin case for electric equipment such as a battery charger for mounting the plug of the present invention. The case 10 is molded from a synthetic resin material, and has a pair of plug pin through holes 11 at the plug pin mounting position.
【００１５】２０はプラグピンブロックであり、これは
導電性金属材料からな丸棒状をした一対のプラグピン２
１，２１と、該両プラグピン２１，２１を一体化して絶
縁性の合成樹脂材料によりモールド成形された連結材２
２とから構成されている。プラグピンブロックの製造
は、連結材２２のモールド成形に際し、その金型内にプ
ラグピン２１，２１をセットした状態で溶融合成樹脂材
料を注入する所謂インサート成形を用いている。Reference numeral 20 denotes a plug pin block, which is a pair of round pin-shaped plug pins 2 made of a conductive metal material.
1, 2 and a connecting member 2 formed by molding the two plug pins 21 and 21 integrally with an insulating synthetic resin material.
And 2. The plug pin block is manufactured by so-called insert molding in which a molten synthetic resin material is injected in a state where the plug pins 21 and 21 are set in the mold when the connecting member 22 is molded.
【００１６】連結材２２は、ブリッジ状をなしており、
その両端部に所定の角度で両プラグピン２１，２１が一
体化され、該連結材２２の両プラグピン根元部分にそれ
ぞれ円柱状をした貫通孔嵌合部２３，２３が形成され、
これがケース１０に開口させたプラグピン貫通孔１１，
１１に嵌合され、前記ブリッジ状の中央部分に止めネジ
１２を貫通させてその先端をケース１０にねじ込んで固
定している。The connecting member 22 has a bridge shape.
The two plug pins 21 and 21 are integrated at a predetermined angle at both ends thereof, and cylindrical through-hole fitting portions 23 and 23 are respectively formed at the root portions of both plug pins of the connecting member 22.
This is the plug pin through hole 11 opened in the case 10,
A set screw 12 penetrates the bridge-shaped central portion, and its tip is screwed into the case 10 and fixed.
【００１７】また、各貫通孔嵌合部２３の先端側外周は
プラグピン貫通孔１１に圧入させるためのテーパー状に
成形されている。この嵌合部２３の外周には環状凹溝２
４が形成されており、該凹溝２４内にプラグピン貫通孔
１１の無い周縁部に形成した凹溝嵌合突条１３が嵌合さ
れ、これによってもケース１０に対して連結材２２を抜
け止めさせている。Further, the outer periphery of the tip end side of each through hole fitting portion 23 is formed in a tapered shape for press fitting into the plug pin through hole 11. An annular groove 2 is formed on the outer periphery of the fitting portion 23.
4 is formed, and the groove fitting ridge 13 formed on the peripheral portion without the plug pin through hole 11 is fitted into the groove 24, thereby also preventing the connecting member 22 from coming off from the case 10. Let me.
【００１８】プラグピンブロック２０のケース１０への
取り付けは、ケース１０の内側より、両プラグピン２
１，２１の先端側をプラグピン貫通孔１１，１１に挿入
し、その根元部分の貫通孔行嵌合部を、治具を使用して
貫通孔１１，１１内に圧入し、凹溝嵌合突条１３，１３
を環状凹溝２４，２４内に嵌合させ、然る後、止めネジ
１２をねじ込んでいる。The plug pin block 20 is attached to the case 10 from the inside of the case 10 by the two plug pins 2.
1 and 21 are inserted into the plug pin through holes 11, 11, and the through hole row fitting portions at the roots thereof are pressed into the through holes 11, 11 using a jig, and the concave groove fitting protrusions are formed. Articles 13, 13
Are fitted in the annular grooves 24, 24, and then the set screw 12 is screwed.
【００１９】なお、上述の実施形態では、連結材２２と
ケース１０との固定を、止めネジ１２のねじ込み、及び
突条１３と凹溝２４との嵌合の両方によってなしている
が、いずれか一方のみであってもよい。In the above-described embodiment, the connection member 22 and the case 10 are fixed by both the screwing of the set screw 12 and the fitting of the ridge 13 and the concave groove 24. Only one of them may be used.
【００２０】[0020]
【発明の効果】上述のように、本発明に係るピン型ＡＣ
電源用プラグにおいては、プラグピンを連結材に対して
一体化させて、一対のプラグピンをブロック化し、これ
をケースに固定するようにしたことによって、機種の異
なった電気機器類の多様なケースに対しても共通部品が
使用でき、製造コストを低くすることができる。As described above, the pin type AC according to the present invention is used.
In power supply plugs, the plug pins are integrated with the connecting material, a pair of plug pins are blocked, and these are fixed to the case. However, common parts can be used, and manufacturing costs can be reduced.
【００２１】また、連結材のプラグピン根本部分に、ケ
ースのプラグピン貫通孔に嵌り合う貫通孔嵌合部を設
け、その嵌合部の環状凹溝に貫通孔内周縁部を嵌合させ
ることによりケースに固定するようにしたことにより、
組み込み後のプラグピンに衝撃が加わった際に、連結材
に対する曲げ方向の外力が作用せず、環状凹溝と貫通孔
内周縁部の嵌合状態が損なわれない限り、プラグピンの
脱落が防止され、強固な結合状態を得ることができる。Further, a through-hole fitting portion for fitting into the plug-pin through-hole of the case is provided at the plug-pin base portion of the connecting member, and the inner peripheral edge of the through-hole is fitted into the annular groove of the fitting portion. By fixing to
When an impact is applied to the plug pin after assembling, no external force in the bending direction acts on the connecting material, and the plug pin is prevented from falling off as long as the engagement between the annular groove and the inner peripheral edge of the through hole is not impaired, A strong bonding state can be obtained.
【００２２】更に、連結材のケースに対するネジ止めと
合わせて、上記環状凹溝による結合構造を用いることに
より、プラグピンのケースに対する固定をより強固なも
のとできる。Further, by using the coupling structure by the annular groove in combination with the screwing of the connecting member to the case, the plug pin can be more securely fixed to the case.
【００２３】更に、上記環状凹溝と貫通孔内周縁との嵌
合は、圧入によって簡単に行うことができ、固定作業が
容易である。Further, the fitting of the annular groove and the inner peripheral edge of the through hole can be easily performed by press-fitting, and the fixing operation is easy.
【図１】本発明の１実施形態の全体の概略を示す断面図
である。FIG. 1 is a cross-sectional view schematically illustrating an entire embodiment of the present invention.
【図２】同上のプラグピンブロックを示す正面図であ
る。FIG. 2 is a front view showing the same plug pin block.
【図３】同上の底面図である。FIG. 3 is a bottom view of the same.
【図４】従来例の部分断面図である。FIG. 4 is a partial sectional view of a conventional example.
【符号の説明】 １０ 電気機器用ケース １１ プラグピン貫通孔 １２ 止めネジ １３ 凹溝嵌合突条 ２０ プラグピンブロック ２１ プラグピン ２２ 連結材 ２３ 貫通孔嵌合部 ２４ 環状凹溝[Description of Signs] 10 Case for Electrical Equipment 11 Plug Pin Through Hole 12 Set Screw 13 Concave Groove Fitting Protrusion 20 Plug Pin Block 21 Plug Pin 22 Connecting Material 23 Through Hole Fitting Portion 24 Annular Groove
フロントページの続き (58)調査した分野(Int.Cl.6，ＤＢ名) H01R 19/00 H01R 13/35 H01R 13/46 H01R 31/06 Continuation of the front page (58) Field surveyed (Int.Cl. 6 , DB name) H01R 19/00 H01R 13/35 H01R 13/46 H01R 31/06
Claims (2)
の棒状をした一対のプラグピンを突出させ、前記両プラ
グピンを合成樹脂製の連結材を介して所定の相対角度及
び間隔を持たせて互いに一体化させ、前記各プラグピン
を前記ケースに開けたプラグピン貫通孔に、該ケースの
内側より通して外方に突出させ、前記連結材を前記ケー
スに固定してなるピン型ＡＣ電源プラグにおいて、前記
連結材の各プラグピン根元部に、前記ケースのプラグピ
ン貫通孔に嵌り合う貫通孔嵌合部を一体に備え、該貫通
孔嵌合部には、その外周面に環状凹溝を設け、該環状凹
溝内に、プラグピン貫通孔の内周縁を嵌合させて抜け止
めしたことを特徴としてなるピン型ＡＣ電源プラグ。1. A pair of socket-shaped plug pins for inserting a socket are protruded from a synthetic resin case, and the two plug pins are integrated with each other at a predetermined relative angle and interval via a synthetic resin connecting member. In the pin-type AC power plug in which each of the plug pins is passed through the inside of the case from the inside of the case into the plug pin through hole opened in the case and protrudes outward, and the connecting material is fixed to the case.
Connect the plug pin of the case to the base of each plug pin of the connecting material.
A through hole fitting portion that fits into the through hole,
The hole fitting portion is provided with an annular concave groove on the outer peripheral surface thereof.
Fit the inner periphery of the plug pin through hole into the groove to prevent it from falling out
Pin type AC power plug made as a feature that you have the eye.
めしてなる請求項１に記載のピン型ＡＣ電源プラグ。2. The center part of the connecting member is screwed to the inside of the case.
Pin-type AC power plug according to claim 1 formed by fit.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10183837A JP2975989B1 (en) | 1998-06-30 | 1998-06-30 | Pin type AC power plug |
| EP19980203691 EP0969561B1 (en) | 1998-06-30 | 1998-11-02 | AC power plug assembly |
| DE1998631861 DE69831861T2 (en) | 1998-06-30 | 1998-11-02 | AC plug assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10183837A JP2975989B1 (en) | 1998-06-30 | 1998-06-30 | Pin type AC power plug |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2975989B1 true JP2975989B1 (en) | 1999-11-10 |
| JP2000021519A JP2000021519A (en) | 2000-01-21 |
Family
ID=16142717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10183837A Expired - Fee Related JP2975989B1 (en) | 1998-06-30 | 1998-06-30 | Pin type AC power plug |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP0969561B1 (en) |
| JP (1) | JP2975989B1 (en) |
| DE (1) | DE69831861T2 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7766707B2 (en) | 2007-01-19 | 2010-08-03 | Astec International Limited | Hybrid electrical pins |
| DE102007049095B3 (en) * | 2007-10-11 | 2009-02-26 | Olympus Winter & Ibe Gmbh | Electrical plug for electrical appliance i.e. surgical high frequency instrument, has electrically conductive pin held at housing-lateral end of rotary body, where outer cylindrical surface of rotary body is concentric to rotational axis |
| CN109802255B (en) * | 2017-11-15 | 2020-06-23 | 兴茂（惠阳）电器有限公司 | European-style plug fixing structure and fixing method thereof |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5046961A (en) * | 1990-11-26 | 1991-09-10 | Hubbell Incorporated | Positive locking electrical plug |
| US5328387A (en) * | 1993-02-01 | 1994-07-12 | Hubbell Incorporated | Lockable cover for electrical connector |
-
1998
- 1998-06-30 JP JP10183837A patent/JP2975989B1/en not_active Expired - Fee Related
- 1998-11-02 DE DE1998631861 patent/DE69831861T2/en not_active Expired - Fee Related
- 1998-11-02 EP EP19980203691 patent/EP0969561B1/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JP2000021519A (en) | 2000-01-21 |
| EP0969561A2 (en) | 2000-01-05 |
| EP0969561A3 (en) | 2000-11-29 |
| DE69831861T2 (en) | 2006-07-06 |
| EP0969561B1 (en) | 2005-10-12 |
| DE69831861D1 (en) | 2006-02-23 |
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