JP2020064713A - Connection plug - Google Patents

Connection plug Download PDF

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Publication number
JP2020064713A
JP2020064713A JP2018194215A JP2018194215A JP2020064713A JP 2020064713 A JP2020064713 A JP 2020064713A JP 2018194215 A JP2018194215 A JP 2018194215A JP 2018194215 A JP2018194215 A JP 2018194215A JP 2020064713 A JP2020064713 A JP 2020064713A
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Japan
Prior art keywords
sleeve
shaft
diameter
expanded
state
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Granted
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JP2018194215A
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Japanese (ja)
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JP7163131B2 (en
Inventor
祐介 坂井
Yusuke Sakai
祐介 坂井
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Tokyo Cosmos Electric Co Ltd
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Tokyo Cosmos Electric Co Ltd
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Priority to JP2018194215A priority Critical patent/JP7163131B2/en
Priority to CN201910962029.0A priority patent/CN111048961B/en
Publication of JP2020064713A publication Critical patent/JP2020064713A/en
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Publication of JP7163131B2 publication Critical patent/JP7163131B2/en
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    • 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
    • H01R13/02—Contact members
    • H01R13/15—Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/17—Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member on the pin
    • 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
    • H01R13/02—Contact members
    • H01R13/193—Means for increasing contact pressure at the end of engagement of coupling part, e.g. zero insertion force or no friction
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

To provide a connection plug that facilitates connection with a socket and release of the connection.SOLUTION: A connection plug includes a sleeve, a shaft, and a biasing member. The sleeve is electrically conductive and inserted into a socket, and can be deformed bi-directionally between a reduced state and an expanded state that is expanded more than the reduced state. The shaft is inserted into the sleeve and being bi-directionally displaceable between a first position and a second position. The biasing member biases the shaft to the second position. When the shaft is located at the first position, the sleeve becomes the reduced state. When the shaft is located at the second position, the sleeve is expanded by the shaft into the expanded state.SELECTED DRAWING: Figure 2

Description

本発明は、接続プラグに関する。   The present invention relates to a connection plug.

従来、信号ラインや電力供給ラインを接続するために、ソケットとソケットに差し込むプラグとからなるコネクタが種々開発されている。   Conventionally, in order to connect a signal line and a power supply line, various connectors including a socket and a plug inserted into the socket have been developed.

特許文献１には、ソケットに挿入するコンタクトピンの内部に拡開スリーブを備え、この拡開スリーブ内に拡開ピンを手作業により螺入することで拡開スリーブを拡開させ、コンタクトピンをソケットに圧着させるようにしたバナナプラグが開示されている。   In Patent Document 1, an expansion sleeve is provided inside a contact pin to be inserted into a socket, and the expansion sleeve is expanded by manually screwing the expansion pin into the expansion sleeve to expand the contact pin. A banana plug adapted to be crimped to a socket is disclosed.

特許第５３４５６４０号公報Patent No. 5345640

しかしながら、特許文献１に開示されたバナナプラグでは、ソケットとの接続及びソケットとの接続の解除に手間が掛かるという課題がある。つまり、ソケットと接続する際には、コンタクトピンを拡開するために拡開ピンを手作業で螺入する作業が必要となり、ソケットとの接続を解除する際には、拡開ピンを手作業で螺退する作業が必要となる。   However, the banana plug disclosed in Patent Document 1 has a problem that it takes time to connect to and disconnect from the socket. In other words, when connecting to the socket, it is necessary to manually screw the expansion pin in order to expand the contact pin, and when disconnecting from the socket, use the expansion pin manually. It is necessary to screw it back.

本発明は、このような課題を解決するために創案されたものであり、ソケットとの接続及び当該接続の解除を容易に行えるようにした、接続プラグを提供することを目的とする。   The present invention was devised to solve such a problem, and an object thereof is to provide a connection plug capable of easily connecting to and disconnecting from a socket.

上記従来の課題を解決するために、本発明の接続プラグは、スリーブと、シャフトと、付勢部材とを備える。前記スリーブは、導電性を有し、ソケット内に差し込まれ、縮小状態と前記縮小状態よりも拡開した拡開状態との間で双方向に変形可能である。前記シャフトは、前記スリーブ内に挿通され、第一位置と第二位置との間で双方向に変位可能である。前記付勢部材は、前記シャフトを前記第二位置に付勢する。前記シャフトが前記第一位置に位置するときは、前記スリーブは前記縮小状態となる。前記シャフトが前記第二位置に位置するときは、前記スリーブは前記シャフトに拡開されて前記拡開状態となる。   In order to solve the above conventional problems, the connection plug of the present invention includes a sleeve, a shaft, and a biasing member. The sleeve is electrically conductive, is inserted into the socket, and is bidirectionally deformable between a contracted state and an expanded state expanded from the contracted state. The shaft is inserted into the sleeve and is bidirectionally displaceable between a first position and a second position. The biasing member biases the shaft to the second position. The sleeve is in the contracted state when the shaft is in the first position. When the shaft is in the second position, the sleeve is expanded by the shaft and is in the expanded state.

本発明によれば、ソケットとの接続及び当該接続の解除を容易に行える。   According to the present invention, it is possible to easily connect to and disconnect from a socket.

本発明の第一実施形態の接続プラグの構成を、スリーブの縮径状態において示す模式的な縦断面図。The typical longitudinal cross-sectional view which shows the structure of the connection plug of 1st embodiment of this invention in the diameter reduced state of a sleeve. 本発明の第一実施形態の接続プラグの構成を、スリーブの拡径状態において示す模式的な縦断面図。The typical longitudinal section showing the composition of the connecting plug of a first embodiment of the present invention in the diameter expansion state of a sleeve. 本発明の第二実施形態の接続プラグの構成をスリーブの縮径状態において示す模式図であって、図３Ａは正面図、図３Ｂは縦断面図。It is a schematic diagram which shows the structure of the connection plug of 2nd embodiment of this invention in the diameter reduced state of a sleeve, FIG. 3A is a front view, FIG. 3B is a longitudinal cross-sectional view. 本発明の第二実施形態の接続プラグの構成をスリーブの拡径状態において示す模式図であって、図４Ａは正面図、図４Ｂは縦断面図。It is a schematic diagram which shows the structure of the connection plug of 2nd embodiment of this invention in the diameter expansion state of a sleeve, FIG. 4A is a front view, FIG. 4B is a longitudinal cross-sectional view.

以下、本発明の実施の形態の接続プラグついて、図面を参照しながら説明する。以下に示す各実施の形態はあくまでも例示に過ぎず、以下の各実施の形態で明示しない種々の変形や技術の適用を排除するものではない。また、各実施の形態の各構成は、それらの趣旨を逸脱しない範囲で種々変形して実施することができる。さらに、各実施の形態の各構成は、必要に応じて取捨選択することができ、あるいは適宜組み合わせることができる。   Hereinafter, a connection plug according to an embodiment of the present invention will be described with reference to the drawings. The respective embodiments shown below are merely examples, and do not exclude various modifications and application of techniques that are not explicitly shown in the respective embodiments below. In addition, each configuration of each embodiment can be variously modified and implemented without departing from the spirit thereof. Furthermore, the configurations of the respective embodiments can be selected or combined as needed, or can be appropriately combined.

なお、以下では、説明の便宜上、上下前後左右を各図面に示すように規定するが、接続プラグの使用がこのような向きでの使用に限られないことは言うまでもない。   In the following, for convenience of description, upper, lower, front, rear, left, and right are defined as shown in the drawings, but it goes without saying that the use of the connection plug is not limited to the use in such an orientation.

なお、各実施の形態を説明するための全図において、同一要素は原則として同一の符号を付し、その説明を省略することもある。   In all the drawings for explaining the respective embodiments, the same elements are denoted by the same reference symbols in principle and the description thereof may be omitted.

［１．第一実施形態］
［１−１．構成］
図１及び図２を参照して本発明の第一実施形態の接続プラグについて説明する。図１は、本発明の第一実施形態の接続プラグの構成を、スリーブの縮径状態において示す模式的な縦断面図である。図２は、本発明の第一実施形態の接続プラグの構成を、スリーブの拡径状態において示す模式的な縦断面図である。 [1. First embodiment]
[1-1. Constitution]
A connection plug according to a first embodiment of the present invention will be described with reference to FIGS. 1 and 2. FIG. 1 is a schematic vertical cross-sectional view showing a configuration of a connection plug according to a first embodiment of the present invention in a state where a sleeve has a reduced diameter. FIG. 2 is a schematic vertical cross-sectional view showing the structure of the connection plug of the first embodiment of the present invention in a state where the sleeve has a diameter increased.

図１及び図２に示すように、接続プラグ１は、筒状のスリーブ２と、スリーブ２に挿通されるシャフト３と、スリーブ２とシャフト３と間に設けられるコイルバネ４（付勢部材）とを備えて構成される。   As shown in FIGS. 1 and 2, the connection plug 1 includes a cylindrical sleeve 2, a shaft 3 inserted into the sleeve 2, and a coil spring 4 (biasing member) provided between the sleeve 2 and the shaft 3. It is configured with.

スリーブ２は、内径及び外径が共に比較的に小径のスリーブ本体２０と、スリーブ本体２０の後部に連設され、内径及び外径が共に比較的に大径の収容部２１とを備えて構成される。スリーブ２は、導電性が良好な素材、例えば金属などにより形成される。   The sleeve 2 includes a sleeve main body 20 having a relatively small inner diameter and an outer diameter, and a housing portion 21 connected to a rear portion of the sleeve body 20 and having a relatively large inner diameter and an outer diameter. To be done. The sleeve 2 is made of a material having good conductivity, such as metal.

スリーブ本体２０には、前後方向（すなわちスリーブ２の軸方向）に沿って基端部（すなわち収容部２１との接続部）の近傍の所定の位置Ｐ１から前端まで延在するスリットが、周方向に沿って複数設けられている。以下、スリーブ本体２０の内、位置Ｐ１よりも収容部２１側、すなわちスリットの形成されていない箇所をスリーブ基部２０ａという。スリーブ本体２０の厚みは、図１及び図２では便宜的に誇張して厚く示されており、実際には図示されるよりも薄く、スリーブ本体２０は、スリーブ本体２０の前端から位置Ｐ１までの範囲において、スリットの存在により弾性変形する。これにより、スリーブ本体２０は、図１に示す縮径状態（縮小状態）から、図２に示すように、当該縮径状態よりも前端が拡径した拡径状態に変形可能であると共に、拡径状態から縮径状態に変形可能である。すなわち、スリーブ本体２０は、縮径状態と拡径状態との間で双方向に変形可能となっている。   The sleeve body 20 has a slit extending from a predetermined position P1 near the base end portion (that is, the connection portion with the housing portion 21) along the front-rear direction (that is, the axial direction of the sleeve 2) to the front end in the circumferential direction. Are provided along the line. Hereinafter, in the sleeve main body 20, a portion closer to the accommodation portion 21 than the position P1, that is, a portion where no slit is formed is referred to as a sleeve base portion 20a. The thickness of the sleeve main body 20 is exaggeratedly shown thickly in FIGS. 1 and 2 for convenience, and is actually thinner than that shown in the drawing. The sleeve main body 20 extends from the front end of the sleeve main body 20 to the position P1. In the range, elastic deformation occurs due to the presence of the slit. As a result, the sleeve main body 20 can be deformed from the diameter-reduced state (reduced state) shown in FIG. 1 to the diameter-expanded state in which the front end is expanded from the diameter-reduced state as shown in FIG. It is possible to transform from the diameter state to the diameter reduction state. That is, the sleeve body 20 is bidirectionally deformable between the reduced diameter state and the enlarged diameter state.

また、スリーブ２には、収容部２１の下面部にプレート２２が設けられている。プレート２２は、矩形であり、その長辺をスリーブ２の軸方向に向けた姿勢で収容部２１の下面部から垂下されている。また、プレート２２は導電性の素材により形成されており、このプレート２２にはケーブルＣがネジＢにより物理的且つ電気的に接続されている。   Further, the sleeve 2 is provided with a plate 22 on the lower surface of the housing portion 21. The plate 22 has a rectangular shape, and is hung from the lower surface of the housing portion 21 with its long side oriented in the axial direction of the sleeve 2. The plate 22 is made of a conductive material, and the cable C is physically and electrically connected to the plate 22 with a screw B.

シャフト３は、シャフト本体３０と、シャフト本体３０の前端に固定された拡径部３１と、シャフト本体３０の後端に設けられた操作部３２とを備える。   The shaft 3 includes a shaft body 30, an enlarged diameter portion 31 fixed to a front end of the shaft body 30, and an operation portion 32 provided at a rear end of the shaft body 30.

シャフト本体３０は中実の丸棒（円柱）であり、操作部３２はシャフト本体３０よりも径が大きく軸長の短い中実の円盤状のものである。これらのシャフト本体３０と、操作部３２とは、絶縁性の素材により形成され、本実施形態では絶縁性樹脂により一体に成形される。   The shaft body 30 is a solid round bar (cylinder), and the operating portion 32 is a solid disk-shaped member having a larger diameter and a shorter axial length than the shaft body 30. The shaft body 30 and the operating portion 32 are made of an insulating material, and are integrally formed of an insulating resin in this embodiment.

拡径部３１は、拡径部本体３１ａと、拡径部本体３１ａの前方に設けられたストッパ３１ｂと、拡径部本体３１ａの後方に設けられた筒状の接続部３１ｃとを同軸状に備える。本実施形態では、拡径部本体３１ａと、ストッパ３１ｂと、接続部３１ｃとは、金属に例示される導電性の素材により一体に成形される。なお、拡径部３１を絶縁性の素材により形成してもよい。   The diameter-expanded portion 31 coaxially includes the diameter-expanded portion main body 31a, a stopper 31b provided in front of the diameter-expanded portion main body 31a, and a tubular connecting portion 31c provided behind the diameter-expanded portion main body 31a. Prepare In the present embodiment, the expanded diameter body 31a, the stopper 31b, and the connecting portion 31c are integrally formed of a conductive material such as metal. The expanded diameter portion 31 may be formed of an insulating material.

拡径部本体３１ａは、前方に向かって拡径する円錐台形状をしている。ストッパ３１ｂは、拡径部本体３１ａの前面よりも大径の円盤形状をしている。接続部３１ｃは、シャフト本体３０の前端が後方から挿通され当該前端に固定されている。本実施形態では、シャフト本体３０の前端に雄ネジが形成され、接続部３１ｃの内周面には雌ネジが形成されており、シャフト本体３０の前端と接続部３１ｃとは螺合されている。   The diameter-expanded portion main body 31a has a truncated cone shape whose diameter increases toward the front. The stopper 31b has a disk shape having a diameter larger than that of the front surface of the expanded diameter portion main body 31a. The front end of the shaft body 30 is inserted from the rear side of the connecting portion 31c and is fixed to the front end. In the present embodiment, a male screw is formed on the front end of the shaft body 30, and a female screw is formed on the inner peripheral surface of the connection portion 31c, and the front end of the shaft body 30 and the connection portion 31c are screwed together. .

シャフト本体３０の外径は、縮径状態のスリーブ本体２０（図１参照）の内径及び収容部２１の内径よりも小さく、スリーブ本体２０及び収容部２１に挿通される。操作部３２の外径は、スリーブ基部２０ａの内径よりも大きく、収容部２１の内径よりも小さい。   The outer diameter of the shaft body 30 is smaller than the inner diameter of the sleeve body 20 (see FIG. 1) in the reduced diameter state and the inner diameter of the housing portion 21, and is inserted into the sleeve body 20 and the housing portion 21. The outer diameter of the operation portion 32 is larger than the inner diameter of the sleeve base portion 20a and smaller than the inner diameter of the housing portion 21.

拡径部３１の接続部３１ｃの外径は、スリーブ本体２０の縮径状態の内径よりも小さい。その一方、拡径部本体３１ａの外径は上述したように前方になるにしたがって拡大する。このため、シャフト３が、図２に示すようにストッパ３１ｂの後面がスリーブ本体２０の前端に当接するまで引き込まれた状態では、スリーブ本体２０の前端（接点）は、その外径がソケット１００（簡略化して一点鎖線で示す）の内径よりも大きくなるまで拡大する。   The outer diameter of the connecting portion 31c of the enlarged diameter portion 31 is smaller than the inner diameter of the sleeve body 20 in the reduced diameter state. On the other hand, the outer diameter of the expanded diameter portion body 31a increases as it goes forward as described above. Therefore, when the shaft 3 is pulled in until the rear surface of the stopper 31b contacts the front end of the sleeve body 20 as shown in FIG. 2, the front end (contact point) of the sleeve body 20 has an outer diameter of the socket 100 ( Enlarge until it is larger than the inner diameter of (represented by a chain line).

コイルバネ４のコイル内径は、シャフト本体３０の外径よりも大きく、操作部３２の外径よりも小さい。また、コイルバネ４のコイル外径は、スリーブ基部２０ａの内径よりも大きく、収容部２１の内径よりも小さい。このような寸法の大小関係により、コイルバネ４は、収容部２１内でシャフト本体３０の周囲に配置される。また、外力の作用しない自然状態では、図２に示すようにコイルバネ４は伸張状態となる。   The coil inner diameter of the coil spring 4 is larger than the outer diameter of the shaft body 30 and smaller than the outer diameter of the operating portion 32. The outer diameter of the coil of the coil spring 4 is larger than the inner diameter of the sleeve base portion 20a and smaller than the inner diameter of the housing portion 21. Due to such a size relationship, the coil spring 4 is arranged around the shaft body 30 in the housing portion 21. Further, in the natural state in which no external force acts, the coil spring 4 is in an expanded state as shown in FIG.

このような構成により、操作部３２から押圧力が加えられない自然状態では、図２に示すように、シャフト３は、コイルバネ４の付勢によりその操作部３２がスリーブ２の収容部２１から後方に突出する位置（第二位置）まで後退する。この結果、スリーブ２は拡径状態（拡開状態）となる。また、コイルバネ４の付勢力に抗して操作部３２を収容部２１内に押し込んで、シャフト３を図１に示す位置（第一位置）まで前進させると、拡径部３１の拡径部本体３１ａの殆どが、スリーブ２から抜け出る。この結果、スリーブ２は、拡径部本体３１ａにより拡径されない自然状態すなわち縮径状退となる。   With such a configuration, in a natural state in which the pressing force is not applied from the operating portion 32, the shaft 3 is moved backward from the housing portion 21 of the sleeve 2 by the urging of the coil spring 4, as shown in FIG. Retreat to the position (second position) that protrudes to. As a result, the sleeve 2 is in a diameter expanded state (expanded state). When the operating portion 32 is pushed into the housing portion 21 against the biasing force of the coil spring 4 and the shaft 3 is advanced to the position (first position) shown in FIG. Most of 31a comes out of the sleeve 2. As a result, the sleeve 2 is in a natural state in which it is not expanded by the expanded-diameter body 31a, that is, in a reduced-diameter state.

［１−２．作用効果］
本発明の第一実施形態によれば以下のような作用効果が得られる。 [1-2. Action effect]
According to the first embodiment of the present invention, the following operational effects can be obtained.

（１）作業者は、図２に示す拡径状態において、手作業により操作部３２をコイルバネ４の付勢力に抗して押し込む。これにより、図１に示すように、スリーブ２を、その外径がソケット１００の差込口の内径よりも小さくなる縮径状態とする。これにより、スリーブ２をソケット１００に差し込むことできる。   (1) The operator manually pushes the operation portion 32 against the biasing force of the coil spring 4 in the expanded state shown in FIG. Thereby, as shown in FIG. 1, the sleeve 2 is in a reduced diameter state in which the outer diameter is smaller than the inner diameter of the insertion port of the socket 100. Thereby, the sleeve 2 can be inserted into the socket 100.

スリーブ２をソケット１００の差込口に差し込んだ状態で、作業者が操作部３２の押し込みをやめれば、コイルバネ４の付勢力より、シャフト３が後退してスリーブ２が拡径する。この結果、スリーブ２はソケット１００に押圧されてソケット１００内に強固に固定される。スリーブ２は導電性を有するので、ソケット１００は、スリーブ２及びスリーブ２に取り付けられた導電性のプレート２２を介してケーブルＣと電気的に接続される。すなわち、接続プラグ１とソケット１００とが接続される。   When the worker stops pushing the operation portion 32 with the sleeve 2 inserted in the insertion port of the socket 100, the shaft 3 retracts due to the urging force of the coil spring 4, and the sleeve 2 expands in diameter. As a result, the sleeve 2 is pressed by the socket 100 and firmly fixed in the socket 100. Since the sleeve 2 is electrically conductive, the socket 100 is electrically connected to the cable C via the sleeve 2 and the electrically conductive plate 22 attached to the sleeve 2. That is, the connection plug 1 and the socket 100 are connected.

接続プラグ１とソケット１００との接続を解除する際には、作業者は操作部３２を押し込んで図１に示すようにスリーブ２をソケット１００の差込口の内径よりも小さくすることで、ソケット１００から接続プラグ１を引き抜いて当該接続を解除できる。   When disconnecting the connection plug 1 and the socket 100, the operator pushes the operation portion 32 to make the sleeve 2 smaller than the inner diameter of the insertion port of the socket 100 as shown in FIG. The connection can be released by pulling out the connection plug 1 from 100.

このように、本発明の第一実施形態によれば、操作部３２を操作してシャフト３を変位させるだけで、接続プラグ１とソケット１００との接続、及び当該接続の解除をワンタッチで容易に行える。   As described above, according to the first embodiment of the present invention, the connection between the connection plug 1 and the socket 100 and the disconnection of the connection can be easily performed by one-touch simply by operating the operation portion 32 to displace the shaft 3. You can do it.

（２）スリーブ２に加えて拡径部３１も導電性を有するので、接続プラグ１の導電性を向上させることができる。   (2) Since the expanded diameter portion 31 has conductivity in addition to the sleeve 2, the conductivity of the connection plug 1 can be improved.

［２．第二実施形態］
［２−１．構成］
図３Ａ，図３Ｂ及び図４Ａ及び図４Ｂを参照して本発明の第二実施形態の接続プラグについて説明する。図３Ａ及び図３Ｂは、本発明の第二実施形態の接続プラグの構成をスリーブの縮径状態において示す模式図であって、図３Ａは正面図、図３Ｂは縦断面図である。図４Ａ及び図４Ｂは、本発明の第二実施形態の接続プラグの構成をスリーブの拡径状態において示す模式図であって、図４Ａは正面図、図４Ｂは縦断面図である。 [2. Second embodiment]
[2-1. Constitution]
A connection plug according to a second embodiment of the present invention will be described with reference to FIGS. 3A, 3B, 4A, and 4B. 3A and 3B are schematic diagrams showing the configuration of the connection plug according to the second embodiment of the present invention in a reduced diameter state of the sleeve, FIG. 3A being a front view and FIG. 3B being a longitudinal sectional view. 4A and 4B are schematic views showing the configuration of the connection plug according to the second embodiment of the present invention in a state in which the sleeve has an expanded diameter. FIG. 4A is a front view and FIG. 4B is a vertical sectional view.

図３Ａ〜図４Ｂに示すように、接続プラグ５は、筒状のスリーブ６と、スリーブ６に挿通されるシャフト７と、スリーブ６とシャフト７と間に設けられる捻りバネ８（付勢部材）とを備えて構成される。シャフト７は回転可能にシャフト７に挿通される。   As shown in FIGS. 3A to 4B, the connection plug 5 includes a tubular sleeve 6, a shaft 7 inserted into the sleeve 6, and a torsion spring 8 (biasing member) provided between the sleeve 6 and the shaft 7. And is configured. The shaft 7 is rotatably inserted into the shaft 7.

スリーブ６は、内面寸法及び外面寸法が共に比較的に小さなスリーブ本体６０と、スリーブ本体６０の後部に連設され、内面寸法及び外面寸法が共に比較的に大きな収容部６１とを備えて構成される。スリーブ６は、導電性が良好な素材、例えば金属などにより形成される。   The sleeve 6 includes a sleeve main body 60 having relatively small inner and outer surface dimensions, and a housing portion 61 connected to the rear portion of the sleeve main body 60 and having relatively large inner and outer surface dimensions. It The sleeve 6 is made of a material having good conductivity, such as metal.

スリーブ本体６０は、筒状で有り、前端から後端まで貫通する孔部６０ａを有している。孔部６０ａは、横断面が略正方形の角孔部６０ｂと、横断面が円形でこの角孔部６０ｂの後部に連設された丸孔部６０ｃとから構成される。   The sleeve body 60 has a tubular shape and has a hole portion 60a penetrating from the front end to the rear end. The hole portion 60a is composed of a square hole portion 60b having a substantially square cross section and a round hole portion 60c having a circular cross section and connected to the rear portion of the square hole portion 60b.

また、スリーブ本体６０には、前後方向（すなわちスリーブ６の軸方向）に沿って基端部（すなわち収容部６１との接続部）から前端まで延在するスリットＳが、周方向に沿って複数（本実施形態では４個）設けられている。スリーブ本体６０の厚みは、図３Ａ〜図４Ｂでは便宜的に誇張して厚く示されており、実際には図示されるよりも薄く、スリーブ本体６０は、スリットの存在により弾性変形する。これにより、スリーブ本体６０は、図３Ａ及び図３Ｂに示す縮径状態から、図４Ａ及び図４Ｂに示すように、当該縮径状態よりも前端が拡径した拡径状態に変形可能であると共に、拡径状態から縮径状態に変形可能である。すなわち、スリーブ本体６０は、縮径状態と拡径状態との間で双方向に変形可能となっている。   Further, the sleeve body 60 has a plurality of slits S extending from the base end portion (that is, the connection portion with the housing portion 61) to the front end along the front-rear direction (that is, the axial direction of the sleeve 6) along the circumferential direction. (4 in this embodiment) are provided. The thickness of the sleeve main body 60 is exaggeratedly shown to be thick in FIGS. 3A to 4B, and is actually thinner than that shown in the drawing, and the sleeve main body 60 is elastically deformed due to the presence of the slit. As a result, the sleeve body 60 can be deformed from the reduced diameter state shown in FIGS. 3A and 3B to the enlarged diameter state in which the front end is expanded from the reduced diameter state as shown in FIGS. 4A and 4B. It is possible to transform the expanded diameter state to the reduced diameter state. That is, the sleeve body 60 is bidirectionally deformable between the reduced diameter state and the enlarged diameter state.

収容部６１は、内部に捻りバネ８が取り付けられる。収容部６１の内部に、取付穴６１ａと、この取付穴６１ａに連設される溝部６１ｂとを備える。取付穴６１ａは、収容部６１の内部前面に設けられている。溝部６１ｂは、取付穴６１ａからから収容部６１の内周面の後端まで前後方向に沿って延設される。このような構成により、後方から捻りバネ８を押し込む際、捻りバネ８の一端部８ａを溝部６１ｂにより取付穴６１ａまで案内させることができ、捻りバネ８を収容部６１に容易に組み付けることができる。   The housing 61 has the torsion spring 8 mounted therein. A mounting hole 61a and a groove portion 61b that is continuously provided in the mounting hole 61a are provided inside the housing portion 61. The mounting hole 61a is provided on the inner front surface of the accommodation portion 61. The groove portion 61b extends in the front-rear direction from the mounting hole 61a to the rear end of the inner peripheral surface of the housing portion 61. With this configuration, when the torsion spring 8 is pushed in from the rear, the one end 8a of the torsion spring 8 can be guided to the mounting hole 61a by the groove 61b, and the torsion spring 8 can be easily assembled in the housing portion 61. .

シャフト７は、中実の棒状の部材である。シャフト７は、第一角柱部７０と、第一円柱部７１と、第二円柱部７２と、第二角柱部７３とが前方からこの順に並べられて一体に成形されている   The shaft 7 is a solid rod-shaped member. The shaft 7 is integrally formed by arranging a first prismatic portion 70, a first columnar portion 71, a second columnar portion 72, and a second prismatic portion 73 in this order from the front.

また、シャフト７は、第二円柱部７２の外周前縁には突設された鍔部７２ａを備える。さらに、シャフト７は、第二角柱部７３が圧入されて第二角柱部７３に固定される操作部７４を備える。操作部７４は、軸長の短い中実の円盤（円柱）状の部材に、前後方向に延在する三角柱状の摘まみ部７４ｂを備えたものである。   Further, the shaft 7 is provided with a flange portion 72 a protruding from the outer peripheral front edge of the second columnar portion 72. Further, the shaft 7 includes an operation portion 74 into which the second prism portion 73 is press fitted and fixed to the second prism portion 73. The operation unit 74 is a solid disk (cylindrical) member having a short axial length, and is provided with a triangular pillar-shaped knob portion 74b extending in the front-rear direction.

シャフト７は、上述したようにスリーブ６に挿通される。詳しくは、第一角柱部７０は、角孔部６０ｂに位置し、第一円柱部７１は丸孔部６０ｃに位置し、第二円柱部７２は、収容部６１内に位置し、第二角柱部７３及び第二角柱部７３に固定された操作部７４は、収容部６１よりも後方に位置する。第一角柱部７０，第一円柱部７１，第二円柱部７２，第二角柱部７３及び操作部７４は、何れも絶縁性の素材により形成される。本実施形態では、第一角柱部７０，第一円柱部７１，第二円柱部７２及び第二角柱部７３は一体に成形され、操作部７４だけこれらの部品７０〜７３とは別体に成形されている。   The shaft 7 is inserted into the sleeve 6 as described above. Specifically, the first prism portion 70 is located in the square hole portion 60b, the first columnar portion 71 is located in the round hole portion 60c, the second columnar portion 72 is located in the accommodation portion 61, and the second prism portion is located. The operation portion 74 fixed to the portion 73 and the second prism portion 73 is located rearward of the accommodation portion 61. The first prismatic portion 70, the first cylindrical portion 71, the second cylindrical portion 72, the second prismatic portion 73, and the operating portion 74 are all made of an insulating material. In this embodiment, the first prism portion 70, the first column portion 71, the second column portion 72, and the second prism portion 73 are integrally formed, and only the operation portion 74 is formed separately from these components 70 to 73. Has been done.

図３Ａ及び図４Ａに示すように、第一角柱部７０及び角孔部６０ｂの各正面形状及び角横断面形状は略正方形である。第一角柱部７０の正面形状及び横断面形状の各辺の長さは、角孔部６０ｂの正面形状及び横断面形状の各辺の長さＬａ,Ｌｂよりも僅かに短い。その一方、第一角柱部７０の正面形状及び横断面形状の対角線の長さＬｘは、角孔部６０ｂの各辺の正面形状及び横断面形状の長さＬａ,Ｌｂよりも長い。   As shown in FIGS. 3A and 4A, the front shape and the square cross-sectional shape of each of the first prismatic portion 70 and the square hole portion 60b are substantially square. The length of each side of the front shape and the cross-sectional shape of the first prismatic portion 70 is slightly shorter than the length La, Lb of each side of the front shape and the cross-sectional shape of the square hole portion 60b. On the other hand, the length Lx of the diagonal line of the front shape and the cross-sectional shape of the first prismatic portion 70 is longer than the lengths La and Lb of the front shape and the cross-sectional shape of each side of the square hole portion 60b.

したがって、図３Ａに示すように、角孔部６０ｂの各辺に第一角柱部７０の各辺が対面するような第一角柱部７０の回転位相では、スリーブ６は図３Ａ及び図３Ｂに示すように縮径した状態となる。その一方、図３Ｂに示すように、角孔部６０ｂの各辺に第一角柱部７０の各角部が当接するような第一角柱部７０の回転位相では、スリーブ６は図４Ａ及び図４Ｂに示すように第一角柱部７０によって押し広げられて拡径した状態となる。   Therefore, as shown in FIG. 3A, in the rotation phase of the first prismatic portion 70 such that each side of the square hole portion 60b faces each side of the first prismatic portion 70, the sleeve 6 is shown in FIGS. 3A and 3B. Thus, the diameter is reduced. On the other hand, as shown in FIG. 3B, in the rotation phase of the first prism 70 in which the respective corners of the first prism 70 are in contact with the respective sides of the square hole 60b, the sleeve 6 is not rotated by the sleeve 6 shown in FIGS. As shown in, the first prismatic portion 70 pushes and expands the diameter.

なお、第一角柱部７０は、その前端がスリーブ６の前端よりも突出している。その突出した部分には、シャフト７がスリーブ６から後方に抜けてしまわないように抜止部材７０ａが固定されている。この抜止部材７０ａは、スリーブ６が拡径した状態におけるスリーブ６の前端の開口（すなわち角孔部６０ｂの前端部）よりも大きい。なお、抜止部材７０ａは、図３Ａ及び図４Ａでは省略している。   The front end of the first prismatic portion 70 projects more than the front end of the sleeve 6. A retaining member 70a is fixed to the projecting portion so that the shaft 7 does not slip backward from the sleeve 6. The retaining member 70a is larger than the opening at the front end of the sleeve 6 when the diameter of the sleeve 6 is expanded (that is, the front end of the square hole portion 60b). The retaining member 70a is omitted in FIGS. 3A and 4A.

第一円柱部７１は、角孔部６０ｂの各辺の寸法よりも径が大きく、且つ、丸孔部６０ｃの径よりも径が僅かに小さい。したがって、第一円柱部７１は、角孔部６０ｂと丸孔部６０ｃとの間の段部により前方に対し抜け止めされつつ、丸孔部６０ｃ内にて回転可能となっている。   The diameter of the first cylindrical portion 71 is larger than the dimension of each side of the square hole portion 60b, and is slightly smaller than the diameter of the round hole portion 60c. Therefore, the first columnar portion 71 is rotatable in the round hole portion 60c while being prevented from coming out forward by the step portion between the square hole portion 60b and the round hole portion 60c.

第二円柱部７２の外周には鍔部７２ａが設けられている。鍔部７２ａの外径は、前方の丸孔部６０ｃの内径よりも大きく、第二円柱部７２及び鍔部７２ａの各外径は、収容部６１の内径よりも小さい。したがって、第二円柱部７２は、前方に対し抜け止めされつつ、収容部６１内にて回転可能となっている。   A collar portion 72 a is provided on the outer periphery of the second columnar portion 72. The outer diameter of the collar portion 72a is larger than the inner diameter of the front round hole portion 60c, and the outer diameters of the second columnar portion 72 and the collar portion 72a are smaller than the inner diameter of the housing portion 61. Therefore, the second columnar portion 72 is rotatable in the housing portion 61 while being prevented from coming off from the front side.

第二角柱部７３の横断面は、正方形又は長方形であり、第二円柱部７２の横断面よりも小さい。操作部７４には、第二角柱部７３の横断面形状と略同じ横断面形状の孔部７４ａが前面から後面に貫通して設けられている。操作部７４は、第二円柱部７２と第二角柱部７３との段差に突き当たるまで孔部７４ａを介して第二角柱部７３に圧入されている   The cross section of the second prismatic portion 73 is square or rectangular, and is smaller than the cross section of the second columnar portion 72. The operation portion 74 is provided with a hole portion 74a having a cross-sectional shape substantially the same as the cross-sectional shape of the second prismatic portion 73 so as to penetrate from the front surface to the rear surface. The operation portion 74 is press-fitted into the second prism portion 73 through the hole portion 74a until it hits the step between the second column portion 72 and the second prism portion 73.

操作部７４は、また、周面に突設された摘まみ部７４ｂを備える。摘まみ部７４ｂは、前後方向に延在する三角柱の部材である。   The operation portion 74 also includes a knob portion 74b provided on the peripheral surface so as to project. The knob 74b is a triangular prism member extending in the front-rear direction.

捻りバネ８は、上述したように一端部８ａをスリーブ６（詳しくは収容部６１の内周面）に固定されると共に、他端部８ｂをシャフト７（詳しくは、収容部６１に対面する操作部７４の前面）に固定されている。   As described above, the torsion spring 8 has one end 8a fixed to the sleeve 6 (specifically, the inner peripheral surface of the housing 61) and the other end 8b of the shaft 7 (specifically, the operation facing the housing 61). It is fixed to the front surface of the portion 74).

このような構成により、操作部７４に回転力が加えられない自然状態では、シャフト７は、捻りバネ８の付勢により、図４Ａ及び図４Ｂに示す回転位相（第二位置）となる。この結果、スリーブ６は、シャフト７の第一角柱部７０の角により押し広げられて拡径状態となる。また、操作部７４を捻りバネ８の付勢力に抗して所定量回転させて、シャフト７を図３Ａ及び図３Ｂに示す回転位相（第一位置）にすると、第一角柱部７０の各辺が角孔部６０ｂの各辺に対面する。これにより、スリーブ６は縮径状態となる。   With such a configuration, in the natural state in which the rotational force is not applied to the operation portion 74, the shaft 7 is in the rotational phase (second position) shown in FIGS. 4A and 4B by the bias of the torsion spring 8. As a result, the sleeve 6 is expanded by the corner of the first prismatic portion 70 of the shaft 7 and is in a diameter expanded state. Further, when the operating portion 74 is rotated by a predetermined amount against the biasing force of the torsion spring 8 to bring the shaft 7 to the rotation phase (first position) shown in FIGS. 3A and 3B, each side of the first prismatic portion 70. Face each side of the square hole portion 60b. As a result, the sleeve 6 is reduced in diameter.

この他の構成は、第一実施形態と同様なので説明を省略する。   The other configurations are similar to those of the first embodiment, and thus the description thereof will be omitted.

［２−２．作用効果］
本発明の第二実施形態によれば以下のような作用効果が得られる。 [2-2. Action effect]
According to the second embodiment of the present invention, the following operational effects can be obtained.

（１）作業者は、図４Ａ及び図４Ｂに示す拡径状態において、手作業により操作部７４の摘まみ部７４ｂをコイルバネ８の付勢力に抗して押し込んで回転させる。これにより、図３Ａ及び図３Ｂに示すように、スリーブ６を、その外径がソケット１００の差込口の内径よりも小さくなる縮径状態とする。この結果、スリーブ６をソケット１００に差し込むことできる。   (1) In the expanded state shown in FIGS. 4A and 4B, the operator manually pushes the knob portion 74b of the operation portion 74 against the urging force of the coil spring 8 to rotate the knob portion 74b. As a result, as shown in FIGS. 3A and 3B, the sleeve 6 is in a reduced diameter state in which the outer diameter thereof is smaller than the inner diameter of the insertion port of the socket 100. As a result, the sleeve 6 can be inserted into the socket 100.

スリーブ６をソケット１００の差込口に差し込んだ状態で、作業者が摘まみ部７４ｂの押し込みをやめれば、捻りバネ８の付勢力より、シャフト７が図４Ａに示す位相まで回転してスリーブ６が拡径する。この結果、スリーブ６はソケット１００に押圧されてソケット１００内に強固に固定される。スリーブ６は導電性を有するので、ソケット１００は、スリーブ６及びスリーブ６に取り付けられた導電性のプレート２２を介してケーブルＣと電気的に接続される。すなわち、接続プラグ５とソケット１００とが接続される。   With the sleeve 6 inserted into the insertion port of the socket 100, if the operator stops pushing the knob 74b, the shaft 7 is rotated by the biasing force of the torsion spring 8 to the phase shown in FIG. Expands. As a result, the sleeve 6 is pressed by the socket 100 and is firmly fixed in the socket 100. Since the sleeve 6 is electrically conductive, the socket 100 is electrically connected to the cable C via the sleeve 6 and the electrically conductive plate 22 attached to the sleeve 6. That is, the connection plug 5 and the socket 100 are connected.

接続プラグ５とソケット１００との接続を解除する際には、作業者は摘まみ部７４ｂを回転させて図３Ａ及び図３Ｂに示すようにスリーブ６をソケット１００の差込口の内径よりも小さくする。これにより、ソケット１００から接続プラグ５を引き抜いて当該接続を解除できる。   When disconnecting the connection plug 5 and the socket 100, the operator rotates the knob 74b so that the sleeve 6 is smaller than the inner diameter of the insertion port of the socket 100 as shown in FIGS. 3A and 3B. To do. As a result, the connection plug 5 can be pulled out from the socket 100 to release the connection.

このように、本発明の第二実施形態によれば、第一実施形態と同様に、接続プラグ５とソケット１００との接続、及び当該接続の解除をワンタッチで容易に行える。   As described above, according to the second embodiment of the present invention, similarly to the first embodiment, the connection between the connection plug 5 and the socket 100 and the release of the connection can be easily performed with one touch.

［３．変形例］
（１）前記各実施形態では、ケーブルＣをプレート２２に取り付けたが、プレート２２を省略してスリーブ本体２０，６０又は収容部２１，６１に取り付けてもよい。 [3. Modification]
(1) In each of the above-described embodiments, the cable C is attached to the plate 22, but the plate 22 may be omitted and attached to the sleeve bodies 20, 60 or the accommodating portions 21, 61.

（２）スリーブ２，６の外周面において、人が手に触れる可能性のある箇所に、又は、接続プラグ１，５の接続時にソケット１００と接触する点（接点）を除いた箇所に、絶縁性の塗料をコーティングしてもよい。   (2) Insulation is made on the outer peripheral surfaces of the sleeves 2 and 6 at places where a person may touch them, or at places other than points (contact points) that contact the socket 100 when connecting the connection plugs 1 and 5. It may be coated with a paint.

本発明は、接続プラグに適用でき、その産業上の利用可能性は高い。   INDUSTRIAL APPLICABILITY The present invention can be applied to connection plugs and has high industrial applicability.

１，５ 接続プラグ
２，６ スリーブ
３，７ シャフト
４ コイルバネ（付勢部材）
８ 捻りバネ（付勢部材）
８ａ 一端部
８ｂ 他端部
２０，６０ スリーブ本体
２０ａ スリーブ基部
２１，６１ 収容部
２２ プレート
３０ シャフト本体
３１ 拡径部
３１ａ 拡径部本体
３１ｂ ストッパ
３１ｃ 接続部
３２，７４ 操作部
６０ａ 孔部
６０ｂ 角孔部
６０ｃ 丸孔部
６１ａ 取付穴
６１ｂ 溝部
７０ 第一角柱部
７０ａ 抜止部材
７１ 第一円柱部
７２ 第二円柱部
７２ａ 鍔部
７３ 第二角柱部
７４ａ 孔部
７４ｂ 摘まみ部
１００ ソケット
Ｃ ケーブル
Ｂ ネジ
Ｌａ，Ｌｂ 第一角柱部７０の正面形状及び横断面形状の各辺の長さ
Ｌｘ 第一角柱部７０の正面形状及び横断面形状の対角線の長さ
Ｐ１ 所定の位置
Ｓ スリット
1,5 Connection plug 2,6 Sleeve 3,7 Shaft 4 Coil spring (biasing member)
8 Torsion spring (biasing member)
8a One end part 8b Other end part 20,60 Sleeve body 20a Sleeve base part 21,61 Housing part 22 Plate 30 Shaft body 31 Expanding part 31a Expanding part main body 31b Stopper 31c Connecting part 32,74 Operating part 60a Hole 60b Square hole Part 60c Round hole part 61a Mounting hole 61b Groove part 70 First prismatic part 70a Detachment prevention member 71 First cylindrical part 72 Second cylindrical part 72a Collar part 73 Second prismatic part 74a Hole part 74b Knob part 100 Socket C cable B screw La , Lb The length of each side of the front shape and the cross-sectional shape of the first prismatic portion 70 Lx The length of the diagonal line of the front shape and the cross-sectional shape of the first prismatic portion 70 P1 Predetermined position S Slit

Claims (3)

導電性を有し、ソケット内に差し込まれ、縮小状態と前記縮小状態よりも拡開した拡開状態との間で双方向に変形可能なスリーブと、
前記スリーブ内に挿通され、第一位置と第二位置との間で双方向に変位可能なシャフトと、
前記シャフトを前記第二位置に付勢する付勢部材とを備え、
前記シャフトが前記第一位置に位置するときは、前記スリーブは前記縮小状態となり、前記シャフトが前記第二位置に位置するときは、前記スリーブは前記シャフトに拡開されて前記拡開状態となる
接続プラグ。 A sleeve having conductivity, which is inserted into the socket and is bidirectionally deformable between a contracted state and an expanded state expanded from the contracted state,
A shaft that is inserted into the sleeve and is bidirectionally displaceable between a first position and a second position,
A biasing member for biasing the shaft to the second position,
When the shaft is in the first position, the sleeve is in the contracted state, and when the shaft is in the second position, the sleeve is expanded by the shaft and in the expanded state. Connection plug. 前記シャフトは、前記スリーブの軸線方向に変位可能に設けられ、
前記第一位置と前記第二位置とは、前記軸線方向に対して互いに異なる位置である
請求項１に記載の接続プラグ。 The shaft is provided so as to be displaceable in the axial direction of the sleeve,
The connection plug according to claim 1, wherein the first position and the second position are positions different from each other in the axial direction. 前記シャフトは、前記スリーブの軸線廻りに変位可能に設けられ、
前記第一位置と前記第二位置とは、前記軸線を中心とした回転方向に対して互いに異なる位置である
請求項１に記載の接続プラグ。 The shaft is displaceably provided around the axis of the sleeve,
The connection plug according to claim 1, wherein the first position and the second position are positions different from each other with respect to a rotation direction around the axis.
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Citations (2)

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JP3065558B2 (en) * 1997-04-10 2000-07-17 三菱商事株式会社 Car battery plug
JP3428568B2 (en) * 2000-06-30 2003-07-22 有限会社佐治製作所 Car plug and outer terminal of car plug
US6695648B2 (en) * 2002-07-05 2004-02-24 Sheng Hsin Liao Supporting and skidproof structure of car lighter plug
CN103825124B (en) * 2012-11-16 2016-10-05 罗向平 Adapter
CN105406234A (en) * 2015-12-12 2016-03-16 彭铁松 Plug, socket and connector system with reliable contact
CN108539458B (en) * 2018-04-04 2020-06-12 享奕自动化科技（上海）有限公司 Power supply terminal and rifle head charges

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JPS57161876U (en) * 1981-04-03 1982-10-12
WO2016050327A1 (en) * 2014-09-29 2016-04-07 Lisa Dräxlmaier GmbH Testing contact for contacting a test-object contact

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