JP3544191B2 - Energized connector between objects that move relatively - Google Patents

Energized connector between objects that move relatively Download PDF

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Publication number
JP3544191B2
JP3544191B2 JP2001318463A JP2001318463A JP3544191B2 JP 3544191 B2 JP3544191 B2 JP 3544191B2 JP 2001318463 A JP2001318463 A JP 2001318463A JP 2001318463 A JP2001318463 A JP 2001318463A JP 3544191 B2 JP3544191 B2 JP 3544191B2
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JP
Japan
Prior art keywords
cone
coil spring
compression coil
shaped
power supply
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
Application number
JP2001318463A
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Japanese (ja)
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JP2003123889A (en
Inventor
志朗 瀬川
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Takigen Manufacturing Co Ltd
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Takigen Manufacturing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Takigen Manufacturing Co Ltd filed Critical Takigen Manufacturing Co Ltd
Priority to JP2001318463A priority Critical patent/JP3544191B2/en
Publication of JP2003123889A publication Critical patent/JP2003123889A/en
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Publication of JP3544191B2 publication Critical patent/JP3544191B2/en
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Description

【0001】
【発明が属する技術分野】
本発明は互いに相対的に移動する二つの物体間で電力を供給するための通電コネクタに関するものである。
【0002】
【従来の技術】
例えば一方の物体を扉とし、他方の物体を筐体としたとき、筐体に対する扉の移動軌跡が常に当初の設定位置を通るときには、プラグ体とソケット体の接合と分離は円滑になされるのであるが、蝶番の取付部の緩みや蝶番自体の歪曲変形、あるいは筐体ないし扉の変形などによって扉の移動軌跡に狂いが生じたときには、プラグ体とソケット体との接合分離が円滑に行われないか、接合不能となる。
また、大量生産する筐体の分野においては、全ての筐体と扉の製作組立を完全に設計通りに行うことは実際上容易でなく、多少の誤差は発生せざるを得ない。この製作組立の品質管理を完璧に行おうとするときには、労力負担とコスト負担は大きなものとなる。
【0003】
【発明が解決しようとする課題】
したがって本発明の目的は、製作組立時の誤差や使用中における狂いがあっても、プラグ体とソケット体の接合分離が円滑になされる、互いに相対的に移動する物体間に使用される通電コネクタを提供することである。
【0004】
【課題を解決するための手段】
以下、添付図面中の参照符号を使用して説明すると、請求項1の発明の通電コネクタは、相対的に移動する第1物体Aと第2物体Bの間で電力を供給するための通電コネクタであって、給電対象装置1に接続されるプラグ装置2を第1物体Aに装着し、電源装置3に接続されるソケット装置4を第2物体Bに装着し、前記プラグ装置2を第1物体Aに固着される固定台座5と、該固定台座5に保持されて第2物体Bに向かって突出するピン状プラグ体6とで構成し、給電対象装置1へと引いた導線7をピン状プラグ体6に電気的に接続し、前記ソケット装置4を第2物体Bに固着され、ピン状プラグ体6が遊嵌される貫通孔9を側壁部10に形成した固定ケース8と、該固定ケース8に収容され、前記貫通孔9のある側壁部10に向かって圧縮コイルバネ11によって移動付勢されたコーン状ソケット体12とで構成し、該コーン状ソケット体12の開口端部13の内側に前記貫通孔9を包囲するようにしてコーン状ソケット体12を前記側壁部10に押し当て、コーン状ソケット体12の先端部14を圧縮コイルバネ11の端部内に挿入し、電源装置3より引いた導線15をコーン状ソケット体12または圧縮コイルバネ11に電気的に接続する。
【0005】
請求項2の発明の通電コネクタは、請求項1の発明の前記構成に加えて、圧縮コイルバネ11よりひと回り大径の円筒状空洞部16を固定ケース8内に形成し、圧縮コイルバネ11を該空洞部16に収容する。
【0006】
請求項3の発明の通電コネクタは、請求項1又は請求項2の発明の前記構成に加えて、コーン状ソケット体12の内面側に複数のリブ17を前記先端部14から開口端部13に向かって放射状に形成する。
【0007】
請求項4の発明の通電コネクタは、請求項1、請求項2又は請求項3の発明の前記構成に加えて、接点プレート18が溶接されたコーン状ソケット体12の先端部13を圧縮コイルバネ11の端部内に挿入し、電源装置3より引いた導線15を圧縮コイルバネ11の内部に通す。
【0008】
【発明の作用】
第1物体Aを第2物体Bに対して移動させ、閉鎖位置などの所定位置に第1物体Aが接近すると、プラグ装置2のピン状プラグ体6がソケット装置3の固定ケース8の貫通孔9に挿入され、コーン状ソケット体12に開口端部13側から先端部14に向かって入り込む。第1物体Aが所定位置まで完全に移動したとき、ピン状プラグ体6の先端部がコーン状ソケット体12の内側面に押し当てられる。これによってピン状プラグ体6とコーン状ソケット体12が電気的に接続され、電源装置3から給電対象装置1へ所要の電力が供給される。
【0009】
【発明の実施の形態】
図示の実施例では、ピン状プラグ体6は快削りん青銅製の丸棒で構成され、銀メッキが施されている。ピン状プラグ体6の先端部は丸められており、ピン状プラグ体6の基端部はりん青銅製の円形座盤19の中央に垂直に溶接されている。円形座盤19の背面には、直角に折り曲げたりん青銅製の接点プレート20が溶接されており、この接点プレート20に前記導線7が溶接されている。
【0010】
コーン状ソケット体12は開き角度90度に形成され、開口端部13の周縁部には外向き鍔部21が形成されている。この外向き鍔部21には圧縮コイルバネ11の端部が安定に当接する。コーン状ソケット体12の内面リブ17は、外向き鍔部21と先端部14との間の側壁部に等間隔に6本形成されている。先端部14は浅い凸球面状に形成されており、その外面頂点部にりん青銅製の接点プレート18が溶接されている。
【0011】
圧縮コイルバネ11はステンレス製であり、銀メッキが施されている。固定台座5は、合成樹脂製のベース板23と合成樹脂製のカバー板24とで構成されている。
ベース板23には、接点プレート20が挿入される透孔25を背面側に形成し、円形座盤19が挿入される凹部26を正面側に同心に形成してある。カバー板24にはピン状プラグ体6が嵌挿される透孔27を形成してある。
【0012】
ベース板23はカバー板24の背面凹部28に嵌め込まれ、カバー板24とベース板23は、カバー板24の透孔29と中間板24の切欠部30を通して第1物体Aのねじ孔31にねじ込まれるビス32によって組立と取付けが行なわれている。第1物体Aには、前記透孔25に対面した部位に、接点プレート20の逃げ用透孔22が形成されており、導線7は該透孔22から外部に出されている。
【0013】
固定ケース8は、蒲鉾形の凹部34を形成したケース本体33と、ケース本体33の背面凹部35に嵌め込まれる底板36とで構成されている。座板36の正面側には、前記蒲鉾形凹部34と組み合わされて円筒状空洞部16を構成する円弧状突起37が正面側に形成されている。ケース本体33と座板36を嵌め合せて組立てた状態で、ケース本体33の端部透孔38を通るビス39によって、ソケット装置4が第2物体Bに固定したブラケット40に締付け固着される。
【0014】
第1物体Aを扉とし、第2物体Bを筐体とする適用例では、給電対象装置1は扉を筐体に施錠するためのソレノイドロック装置であり、電源装置3は筐体に内蔵したバッテリー電源または商用電源である。固定ケース8の円筒状空洞部16の底壁部には、導線15の引き出し用透孔41を形成してある。
【0015】
【発明の効果】
請求項1の発明では、ソケット装置の固定ケース内には圧縮コイルバネとコーン状ソケット体が収容され、コーン状ソケット体の先端部が圧縮コイルバネの端部内に挿入支持され、コーン状ソケット体の開口端部が固定ケースの側壁部の貫通孔を内側に包囲するように該側壁部に押し当てられているため、第1物体と第2物体の当初の組立位置が設計より多少ずれていても、また、使用中に第1物体又は第2物体の相対移動の軌跡が正規位置よりずれて来たとしても、コーン状ソケット体の開口端部より入って来たピン状プラグ体の先端部がコーン状ソケット体の内側面のどこかに当たることによって、コーン状ソケット体が固定ケース内で揺動し、ピン状プラグ体がコーン状ソケット体と最適状態で接合することになる。
【0016】
また、ピン状プラグ体がコーン状ソケット体から分離するときも、ピン状プラグ体がコーン状ソケット体から離れるにつれて、第1物体又は第2物体の位置の狂いに対応してコーン状ソケット体が揺動することになる。
このような動作形態をとるため、製作組立時の誤差や使用中における狂いがあっても、ピン状プラグ体とコーン状ソケット体の接合分離が円滑になされることになり、互いに相対的に移動する物体間に使用される通電コネクタとしての実用的価値は高い。
【0017】
請求項2の発明では、請求項1の発明の前記効果に加えて、圧縮コイルバネよりひと回り大径の円筒状空洞部を固定ケース内に形成し、圧縮コイルバネを該空洞部に収容してあるため、コーン状ソケット体の揺動領域について一定の限界が与えられ、コーン状ソケット体は圧縮コイルバネから脱離する恐れなく安定に作動する。
【0018】
請求項3の発明では、請求項1又は請求項2の発明の前記効果に加えて、コーン状ソケット体の内面側に複数のリブを前記先端部から開口端部に向かって放射状に形成してあるため、コーン状ソケット体の機械的強度が向上するとともに、ピン状プラグ体とコーン状ソケット体が接合する際の誘導が良好になされ、両者間の電気的接続が適切になされる。
【0019】
請求項4の発明では、請求項1から請求項3の発明の前記効果に加えて、接点プレートが溶接されたコーン状ソケット体の先端部を圧縮コイルバネの端部内に挿入し、電源装置より引いた導線を圧縮コイルバネの内部に通してあるため、ソケット装置の全体の大きさをコンパクトに構成できるとともに、ピン状プラグ体とコーン状ソケット体が接合分離するときに圧縮コイルバネの間に導線を挟み込むことがなく、圧縮コイルバネがコーン状ソケット体の揺動に対応して伸縮するため、動作の信頼性に優れている。
【図面の簡単な説明】
【図1】本発明の一実施例に係る通電コネクタの接合状態の正面図である。
【図2】図1の通電コネクタの平面図である。
【図3】図2のA−A線断面図である。
【図4】図1のB−B線断面図である。
【図5】図1の通電コネクタに使用したピン状プラグ体の平面図である。
【図6】図1の通電コネクタに使用したピン状プラグ体の正面図である。
【図7】図1の通電コネクタに使用したピン状プラグ体の底面図である。
【図8】図1の通電コネクタに使用したコーン状ソケット体の正面図である。
【図9】図1の通電コネクタに使用したコーン状ソケット体の縦断面図である。
【符号の説明】
A 第1物体
B 第2物体
1 給電対象装置
2 プラグ装置
3 電源装置
4 ソケット装置
5 固定台座
6 ピン状プラグ体
7 導線
8 固定ケース
9 貫通孔
10 側壁部
11 圧縮コイルバネ
12 コーン状ソケット体
13 開口端部
14 先端部
15 導線
16 円筒状空洞部
17 リブ
18 接点プレート
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a power supply connector for supplying power between two objects that move relatively to each other.
[0002]
[Prior art]
For example, when one object is a door and the other is a housing, when the movement trajectory of the door with respect to the housing always passes through the initially set position, the joining and separating of the plug body and the socket body are performed smoothly. However, if the movement path of the door is distorted due to looseness of the hinge attachment part, distortion of the hinge itself, or deformation of the housing or door, the plug and socket are smoothly separated from each other. No, or cannot be joined.
Further, in the field of mass-produced housings, it is practically not easy to completely manufacture and assemble all the housings and doors as designed, and some errors have to be generated. When the quality control of the manufacturing and assembling is to be performed perfectly, labor and cost burdens become large.
[0003]
[Problems to be solved by the invention]
Accordingly, an object of the present invention is to provide a current-carrying connector used between objects that move relatively to each other, so that the plug body and the socket body can be smoothly separated from each other even if there is an error during manufacturing and assembly or a deviation during use. It is to provide.
[0004]
[Means for Solving the Problems]
Hereinafter, a description will be given using reference numerals in the accompanying drawings. The power supply connector according to the first aspect of the invention is a power supply connector for supplying power between a first object A and a second object B that move relatively. The plug device 2 connected to the power supply target device 1 is mounted on the first object A, the socket device 4 connected to the power supply device 3 is mounted on the second object B, and the plug device 2 is connected to the first object A. A fixed pedestal 5 fixed to the object A, and a pin-shaped plug body 6 held by the fixed pedestal 5 and protruding toward the second object B, and a lead wire 7 drawn to the power supply target device 1 is connected to a pin. A socket case 4 electrically connected to the plug-shaped body 6, the socket device 4 is fixed to the second object B, and a through-hole 9 in which the pin-shaped plug body 6 is loosely formed is formed in the side wall portion 10; It is housed in the fixed case 8 and presses toward the side wall 10 having the through hole 9. A cone-shaped socket body 12 moved and urged by a coil spring 11, and the cone-shaped socket body 12 is surrounded by the side wall so as to surround the through hole 9 inside an open end 13 of the cone-shaped socket body 12. Pressing the end portion 14 of the cone-shaped socket body 12 into the end of the compression coil spring 11, and electrically connecting the conducting wire 15 drawn from the power supply device 3 to the cone-shaped socket body 12 or the compression coil spring 11. .
[0005]
According to a second aspect of the present invention, in addition to the configuration of the first aspect of the present invention, a cylindrical hollow portion 16 having a diameter slightly larger than the compression coil spring 11 is formed in the fixed case 8, and the compression coil spring 11 is connected to the cavity. It is housed in the unit 16.
[0006]
According to a third aspect of the present invention, in addition to the configuration of the first or second aspect of the present invention, a plurality of ribs 17 are provided on the inner surface side of the cone-shaped socket body 12 from the distal end portion 14 to the open end portion 13. Form radially toward.
[0007]
According to a fourth aspect of the present invention, in addition to the configuration of the first, second or third aspect of the present invention, the distal end portion 13 of the cone-shaped socket body 12 to which the contact plate 18 is welded is formed by a compression coil spring 11. And the conductor 15 drawn from the power supply 3 is passed through the inside of the compression coil spring 11.
[0008]
Effect of the Invention
When the first object A is moved relative to the second object B and the first object A approaches a predetermined position such as a closed position, the pin-like plug body 6 of the plug device 2 is inserted into the through hole of the fixed case 8 of the socket device 3. 9 and enters the cone-shaped socket body 12 from the opening end 13 side toward the tip end 14. When the first object A has completely moved to a predetermined position, the tip of the pin-shaped plug body 6 is pressed against the inner surface of the cone-shaped socket body 12. As a result, the pin-shaped plug body 6 and the cone-shaped socket body 12 are electrically connected, and required power is supplied from the power supply device 3 to the power supply target device 1.
[0009]
BEST MODE FOR CARRYING OUT THE INVENTION
In the illustrated embodiment, the pin-shaped plug body 6 is made of a free-cut phosphor bronze round bar, and is plated with silver. The tip end of the pin-shaped plug body 6 is rounded, and the base end of the pin-shaped plug body 6 is vertically welded to the center of a circular seat 19 made of phosphor bronze. A contact plate 20 made of phosphor bronze bent at a right angle is welded to the back surface of the circular seating plate 19, and the conductor 7 is welded to the contact plate 20.
[0010]
The cone-shaped socket body 12 is formed at an opening angle of 90 degrees, and an outward flange 21 is formed at the periphery of the opening end 13. The end of the compression coil spring 11 stably abuts the outward flange 21. Six inner ribs 17 of the cone-shaped socket body 12 are formed at equal intervals on a side wall between the outward flange 21 and the tip 14. The tip portion 14 is formed in a shallow convex spherical shape, and a contact plate 18 made of phosphor bronze is welded to the outer surface apex portion.
[0011]
The compression coil spring 11 is made of stainless steel and plated with silver. The fixing pedestal 5 includes a base plate 23 made of synthetic resin and a cover plate 24 made of synthetic resin.
In the base plate 23, a through hole 25 into which the contact plate 20 is inserted is formed on the back side, and a concave portion 26 into which the circular seat board 19 is inserted is formed concentrically on the front side. The cover plate 24 has a through hole 27 into which the pin-shaped plug body 6 is inserted.
[0012]
The base plate 23 is fitted into the rear recess 28 of the cover plate 24, and the cover plate 24 and the base plate 23 are screwed into the screw holes 31 of the first object A through the through holes 29 of the cover plate 24 and the cutouts 30 of the intermediate plate 24. Assembling and mounting are performed by screws 32 which are provided. In the first object A, an escape through-hole 22 of the contact plate 20 is formed at a portion facing the through-hole 25, and the conducting wire 7 extends out of the through-hole 22.
[0013]
The fixed case 8 is composed of a case main body 33 in which a semicircular concave portion 34 is formed, and a bottom plate 36 that is fitted into the rear concave portion 35 of the case main body 33. On the front side of the seat plate 36, an arc-shaped projection 37 which is combined with the semicircular recess 34 to form the cylindrical hollow portion 16 is formed on the front side. In a state where the case body 33 and the seat plate 36 are fitted together and assembled, the socket device 4 is fastened and fixed to the bracket 40 fixed to the second object B by screws 39 passing through the end through holes 38 of the case body 33.
[0014]
In an application example in which the first object A is a door and the second object B is a housing, the power supply target device 1 is a solenoid lock device for locking the door to the housing, and the power supply device 3 is built in the housing. Battery power or commercial power. In the bottom wall of the cylindrical cavity 16 of the fixed case 8, a lead-out through hole 41 for the lead wire 15 is formed.
[0015]
【The invention's effect】
According to the first aspect of the present invention, the compression coil spring and the cone-shaped socket body are accommodated in the fixed case of the socket device, and the tip of the cone-shaped socket body is inserted and supported in the end of the compression coil spring. Since the end portion is pressed against the side wall portion so as to surround the through hole of the side wall portion of the fixed case inside, even if the initial assembly position of the first object and the second object is slightly shifted from the design, Also, even if the trajectory of the relative movement of the first object or the second object deviates from the normal position during use, the tip end of the pin-shaped plug coming in from the opening end of the cone-shaped socket may be By hitting somewhere on the inner surface of the socket, the cone-shaped socket swings in the fixed case, and the pin-shaped plug is optimally joined to the cone-shaped socket.
[0016]
Also, when the pin-shaped plug body separates from the cone-shaped socket body, as the pin-shaped plug body moves away from the cone-shaped socket body, the cone-shaped socket body responds to the misalignment of the first object or the second object. It will rock.
Due to such an operation mode, even if there is an error during manufacture and assembly or a deviation during use, the joint between the pin-shaped plug body and the cone-shaped socket body can be smoothly separated and moved relative to each other. Practical value is high as a current-carrying connector used between objects.
[0017]
According to the second aspect of the invention, in addition to the effect of the first aspect of the invention, a cylindrical hollow portion having a diameter slightly larger than that of the compression coil spring is formed in the fixed case, and the compression coil spring is housed in the hollow portion. A certain limit is given to the swing region of the cone-shaped socket body, and the cone-shaped socket body operates stably without fear of detaching from the compression coil spring.
[0018]
In the invention of claim 3, in addition to the effect of the invention of claim 1 or 2, a plurality of ribs are formed radially from the front end toward the open end on the inner surface side of the cone-shaped socket body. Therefore, the mechanical strength of the cone-shaped socket body is improved, and at the same time, the pin-shaped plug body and the cone-shaped socket body are guided well in joining, and the electrical connection between the two is appropriately made.
[0019]
According to a fourth aspect of the present invention, in addition to the effects of the first to third aspects of the present invention, the tip of the cone-shaped socket body to which the contact plate is welded is inserted into the end of the compression coil spring and pulled from the power supply device. Since the lead wire passed through the inside of the compression coil spring, the overall size of the socket device can be made compact, and the lead wire is sandwiched between the compression coil springs when the pin-shaped plug body and the cone-shaped socket body are joined and separated. Since the compression coil spring expands and contracts in response to the swing of the cone-shaped socket body, the operation reliability is excellent.
[Brief description of the drawings]
FIG. 1 is a front view of a connection state of a current-carrying connector according to an embodiment of the present invention.
FIG. 2 is a plan view of the power supply connector of FIG. 1;
FIG. 3 is a sectional view taken along line AA of FIG. 2;
FIG. 4 is a sectional view taken along line BB of FIG. 1;
FIG. 5 is a plan view of a pin-shaped plug used in the power supply connector of FIG. 1;
FIG. 6 is a front view of a pin-shaped plug used in the power supply connector of FIG. 1;
FIG. 7 is a bottom view of a pin-shaped plug used in the power supply connector of FIG. 1;
FIG. 8 is a front view of a cone-shaped socket used for the current-carrying connector of FIG. 1;
FIG. 9 is a longitudinal sectional view of a cone-shaped socket body used for the current-carrying connector of FIG. 1;
[Explanation of symbols]
A First object B Second object 1 Power supply target device 2 Plug device 3 Power supply device 4 Socket device 5 Fixed pedestal 6 Pin-shaped plug 7 Conductor 8 Fixed case 9 Through hole 10 Side wall 11 Compression coil spring 12 Conical socket 13 Opening End 14 Tip 15 Conductor 16 Cylindrical cavity 17 Rib 18 Contact plate

Claims (4)

相対的に移動する第1物体と第2物体の間で電力を供給するための通電コネクタであって、給電対象装置に接続されるプラグ装置を第1物体に装着し、電源装置に接続されるソケット装置を第2物体に装着し、前記プラグ装置を第1物体に固着される固定台座と、該固定台座に保持されて第2物体に向かって突出するピン状プラグ体とで構成し、給電対象装置へと引いた導線をピン状プラグ体に電気的に接続し、前記ソケット装置を第2物体に固着され、ピン状プラグ体が遊嵌される貫通孔を側壁部に形成した固定ケースと、該固定ケースに収容され、前記貫通孔のある側壁部に向かって圧縮コイルバネによって移動付勢されたコーン状ソケット体とで構成し、該コーン状ソケット体の開口端部の内側に前記貫通孔を包囲するようにして前記側壁部に押し当て、コーン状ソケット体の先端部を圧縮コイルバネの端部内に挿入し、電源装置より引いた導線をコーン状ソケット体または圧縮コイルバネに電気的に接続してなる、相対的に移動する物体間の通電コネクタ。A power supply connector for supplying electric power between a relatively moving first object and a second object, wherein a plug device connected to a power supply target device is mounted on the first object and connected to a power supply device. The socket device is mounted on a second object, and the plug device is constituted by a fixed pedestal fixed to the first object, and a pin-shaped plug body held by the fixed pedestal and protruding toward the second object. A fixed case in which a conducting wire drawn to the target device is electrically connected to a pin-shaped plug body, the socket device is fixed to a second object, and a through hole in which the pin-shaped plug body is loosely fitted is formed in a side wall portion; And a cone-shaped socket body housed in the fixed case and urged by a compression coil spring toward a side wall portion having the through-hole, wherein the through-hole is provided inside an open end of the cone-shaped socket body. To surround the said Pressing against the wall, inserting the distal end of the cone-shaped socket into the end of the compression coil spring, and electrically connecting the lead wire drawn from the power supply to the cone-shaped socket or the compression coil spring. Connector between objects to be connected. 圧縮コイルバネよりひと回り大径の円筒状空洞部を固定ケース内に形成し、圧縮コイルバネを該空洞部に収容したことを特徴とする請求項1に記載の通電コネクタ。The current-carrying connector according to claim 1, wherein a cylindrical cavity having a diameter slightly larger than that of the compression coil spring is formed in the fixed case, and the compression coil spring is housed in the cavity. コーン状ソケット体の内面側に複数のリブを前記先端部から開口端部に向かって放射状に形成したことを特徴とする請求項1又は請求項2に記載の通電コネクタ。3. The current-carrying connector according to claim 1, wherein a plurality of ribs are formed radially from the front end toward the open end on the inner surface side of the cone-shaped socket body. 接点プレートが溶接されたコーン状ソケット体の先端部を圧縮コイルバネの端部内に挿入し、電源装置より引いた導線を圧縮コイルバネの内部に通したことを特徴とする請求項1、請求項2又は請求項3に記載の通電コネクタ。The tip of the cone-shaped socket body to which the contact plate is welded is inserted into the end of the compression coil spring, and a lead drawn from a power supply device is passed through the interior of the compression coil spring. The current-carrying connector according to claim 3.
JP2001318463A 2001-10-16 2001-10-16 Energized connector between objects that move relatively Expired - Fee Related JP3544191B2 (en)

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DE20317436U1 (en) * 2003-11-10 2004-01-22 Magcode Ag Electrical connection device
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