JP2013191317A - Electrical apparatus - Google Patents

Electrical apparatus Download PDF

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Publication number
JP2013191317A
JP2013191317A JP2012055026A JP2012055026A JP2013191317A JP 2013191317 A JP2013191317 A JP 2013191317A JP 2012055026 A JP2012055026 A JP 2012055026A JP 2012055026 A JP2012055026 A JP 2012055026A JP 2013191317 A JP2013191317 A JP 2013191317A
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Japan
Prior art keywords
opening
connection
housing
connection block
cable
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JP2012055026A
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Japanese (ja)
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JP5827154B2 (en
Inventor
Kenichi Yasukawa
謙一 安川
Yoshiaki Tsurii
良明 釣井
Yoshito Sugano
祥人 菅野
Eijiro Kamono
栄治郎 加茂野
Sohei Okamoto
壮平 岡本
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Idec Corp
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Idec Corp
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Priority to DE102013102321A priority patent/DE102013102321A1/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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/24—Connections using contact members penetrating or cutting insulation or cable strands
    • H01R4/2416—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type
    • H01R4/242—Connections using contact members penetrating or cutting insulation or cable strands the contact members having insulation-cutting edges, e.g. of tuning fork type the contact members being plates having a single slot
    • H01R4/2425—Flat plates, e.g. multi-layered flat plates
    • H01R4/2429—Flat plates, e.g. multi-layered flat plates mounted in an insulating base
    • 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
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/94—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated
    • H03K17/941—Electronic switching or gating, i.e. not by contact-making and –breaking characterised by the way in which the control signals are generated using an optical detector
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K2217/00—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00
    • H03K2217/94—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated
    • H03K2217/941—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector
    • H03K2217/94102—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector characterised by the type of activation
    • H03K2217/94108—Indexing scheme related to electronic switching or gating, i.e. not by contact-making or -breaking covered by H03K17/00 characterised by the way in which the control signal is generated using an optical detector characterised by the type of activation making use of reflection

Landscapes

  • Switches Operated By Changes In Physical Conditions (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)

Abstract

PROBLEM TO BE SOLVED: To simplify an assembly operation by allowing connection members, such as a cable and a socket, to be connected to terminal parts of a substrate in the final step after the substrate is stored inside a body, and by achieving common use of most processes of the assembly operation between a plurality of types.SOLUTION: A photoelectric switch 10A of a cable connection type is obtained by fitting a first connection block 41 into an opening 31 of a case 3. When the first connection block 41 is fitted into the opening 31, three coated wires 101 exposed to the front surface side of the first connection block 41 are respectively electrically connected to individual terminal 91. A photoelectric switch 10B of a connector connection type is obtained by fitting a second connection block 42 into the opening 31 of the case 3. When the second connection block 42 is fitted into the opening 31, three coated wires 201 exposed to the front surface side of the second connection block 42 are respectively electrically connected to the individual terminals 91.

Description

この発明は、複数種類の接続方式によって外部機器に接続できるようにされ、複数種類の接続方式のなかから選択された１つの接続方式で外部機器に接続される電気機器に関する。   The present invention relates to an electric device that can be connected to an external device by a plurality of types of connection methods and is connected to the external device by a single connection method selected from the plurality of types of connection methods.

電気機器には、外部機器から電源の供給を受けるとともに、外部機器との間で信号の入出力を行うため、電源ラインや信号ライン等を介して外部機器と接続されるものがある。例えば、物体の有無を光学的に検出する光電スイッチは、光源や制御部品への給電のための電源ラインと検出信号を出力するための信号ラインとを介して、外部機器に接続される（例えば、特許文献１参照。）。   Some electrical devices are connected to an external device via a power supply line, a signal line, or the like in order to receive power supply from the external device and to input / output signals to / from the external device. For example, a photoelectric switch that optically detects the presence or absence of an object is connected to an external device via a power supply line for supplying power to a light source or a control component and a signal line for outputting a detection signal (for example, , See Patent Document 1).

電気機器と外部機器との接続に際し、ケーブルを電気機器に直接接続するケーブル方式、ケーブルの先端のプラグを電気機器のソケットに着脱自在に装着するコネクタ方式等の複数の接続方式のうち、使用状況等に適した１つの接続方式が選択的に使用される。   When connecting an electrical device to an external device, use status among multiple connection methods, such as a cable method that directly connects the cable to the electrical device, and a connector method that removably attaches the plug at the end of the cable to the socket of the electrical device. One connection method suitable for the above is selectively used.

そこで、従来の外部機器に接続される電気機器では、本体内部に収納される基板に実装された端子部にケーブル又はソケットを選択的にハンダ付けできるようにし、ケーブル方式タイプとコネクタ方式タイプとで構成部品の共通化を図るようにしたものがある。   Therefore, in an electrical device connected to a conventional external device, a cable or a socket can be selectively soldered to a terminal portion mounted on a board housed inside the main body. Some components are designed to be shared.

特開２００４−１２８４２２号公報JP 2004-128422 A

しかし、従来の電気機器では、組立作業の途中で本体内部に基板を収納する前に、基板の端子部に対するケーブルのハンダ付け作業又はソケットのハンダ付け作業の何れかを選択的に行う必要がある。このため、電気機器の組立作業時に、ケーブル方式タイプとコネクタ方式タイプとの間で、本体内部に基板を収納する工程以後の工程を共通化することができず、部品管理が煩雑になり、組立作業を簡略化することができない。特に、ケーブル方式タイプの電気機器の組立作業では、基板の端子部に対するケーブルのハンダ付け後の工程において、基板にハンダ付けされたケーブルの取り廻しが煩雑になる。このような問題は、光電スイッチに限らず複数の接続方式を選択的に適用して外部機器に接続される電気機器に一般的に生じる。   However, in the conventional electrical device, before the board is accommodated in the main body during the assembly work, it is necessary to selectively perform either the soldering operation of the cable or the soldering operation of the socket to the terminal portion of the board. . For this reason, when assembling electrical equipment, the process after the process of housing the board inside the main body cannot be shared between the cable system type and the connector system type. The work cannot be simplified. In particular, in assembling work of cable-type electrical devices, the cable soldered to the board becomes complicated in the process after the soldering of the cable to the terminal portion of the board. Such a problem generally occurs not only in a photoelectric switch but also in an electric device connected to an external device by selectively applying a plurality of connection methods.

この発明の目的は、本体内部に基板を収納した後の最終行程で、ケーブルやソケット等の接続部材を基板の端子部に接続できるようにし、複数のタイプの間で組立作業の殆どを共通化することができ、組立作業を簡略化できる電気機器を提供することにある。   The purpose of this invention is to allow connection members such as cables and sockets to be connected to the terminal part of the board in the final process after the board is stored inside the main body, and to make most of the assembly work common among multiple types It is an object of the present invention to provide an electric apparatus that can simplify the assembly work.

この発明に係る電気機器は、筐体、端子部、複数の接続ブロックを備えている。筐体は、外部機器に接続される電気部品を収納する中空の筐体であって、一部に開口部を備えている。端子部は、筐体内で、電気部品に接続され、開口部に対向する位置に配置されている。複数の接続ブロックは、外部機器に接続される互いに異なる形状の外部接続部材を有するとともに端子部に接続される互いに同一形状の内部接続部材を有し、筐体の開口部に択一的に装着される。複数の接続ブロックの何れかが開口部に装着された際に内部接続部材が端子部に電気的に接続される。   The electric device according to the present invention includes a housing, a terminal portion, and a plurality of connection blocks. The housing is a hollow housing that houses electrical components connected to an external device, and is partially provided with an opening. The terminal portion is connected to the electrical component in the housing and is disposed at a position facing the opening. The plurality of connection blocks have external connection members of different shapes connected to external devices, and also have internal connection members of the same shape connected to the terminal portions, and are selectively attached to the opening of the housing. Is done. When any of the plurality of connection blocks is attached to the opening, the internal connection member is electrically connected to the terminal portion.

この構成においては、複数の接続ブロックの何れかを筐体の開口部に装着すると、装着された接続ブロックの内部接続部材が筐体内部の端子部に電気的に接続される。複数の接続ブロックのそれぞれが装着される異なるタイプの電気機器について、複数の接続ブロックの何れかを筐体の開口部に装着する最終工程より前の工程までが共通化される。   In this configuration, when any one of the plurality of connection blocks is attached to the opening of the housing, the internal connection member of the attached connection block is electrically connected to the terminal portion inside the housing. For different types of electrical equipment to which each of the plurality of connection blocks is mounted, the steps up to the last step before mounting any one of the plurality of connection blocks to the opening of the housing are made common.

この構成において、筐体は開口部に筐体側係合部を有するものとし、複数の接続ブロックはそれぞれ筐体側係合部に弾性的に係合するブロック側係合部を有するものとすることが好ましい。複数の接続ブロックの何れかを筐体に装着する作業が簡略化できる。   In this configuration, the housing has a housing-side engaging portion in the opening, and each of the plurality of connection blocks has a block-side engaging portion that elastically engages with the housing-side engaging portion. preferable. The work of attaching any of the plurality of connection blocks to the housing can be simplified.

また、複数の接続ブロックとして、外部接続部材がケーブルである第１の接続ブロックと、外部接続部材がコネクタである第２の接続ブロックと、で構成することができる。外部接続部材として第１の接続ブロック又は第２の接続ブロックを選択的に筐体の開口部に装着することで、ケーブル方式タイプの電気機器とコネクタ方式タイプの電気機器との組立作業における工程の殆どを簡略化することができる。   In addition, the plurality of connection blocks can be configured by a first connection block whose external connection member is a cable and a second connection block whose external connection member is a connector. By selectively attaching the first connection block or the second connection block as the external connection member to the opening of the housing, the process of assembling the cable-type electric device and the connector-type electric device can be performed. Most can be simplified.

さらに、開口部は、コネクタの周面の一部が嵌入する凹部を有し、第１の接続ブロックは、凹部を閉塞する突出部を有するものとすることができる。第１の接続ブロックと第２の接続ブロックとの何れが装着された場合にも、開口部を確実に閉塞することができる。   Further, the opening may have a recess into which a part of the peripheral surface of the connector is fitted, and the first connection block may have a protrusion that closes the recess. The opening can be reliably closed regardless of which of the first connection block and the second connection block is attached.

この発明によれば、本体内部に基板を収納した後の最終行程でケーブルやソケット等の接続部材を基板の端子部に接続することができ、複数のタイプの間で組立作業の殆どの工程を共通化して組立作業を簡略化できる。   According to the present invention, a connection member such as a cable or a socket can be connected to the terminal portion of the board in the final process after the board is stored inside the main body, and most steps of assembly work among a plurality of types can be performed. It is possible to simplify the assembly work by sharing it.

この発明の実施形態に係る光電スイッチの分解図である。It is an exploded view of the photoelectric switch which concerns on embodiment of this invention. 同光電スイッチの背面側から見た分解図である。It is the exploded view seen from the back side of the photoelectric switch. 同光電スイッチが備える第１の接続ブロックの分解図である。It is an exploded view of the 1st connection block with which the same photoelectric switch is provided. 同光電スイッチが備える第２の接続ブロックの分解図である。It is an exploded view of the 2nd connection block with which the photoelectric switch is provided. 同光電スイッチにおける第１の接続ブロックの装着状態を示す図である。It is a figure which shows the mounting state of the 1st connection block in the photoelectric switch. 同光電スイッチにおける第２の接続ブロックの装着状態を示す図である。It is a figure which shows the mounting state of the 2nd connection block in the photoelectric switch.

以下に、この発明の実施形態に係る電気機器の一例である光電スイッチについて、図面を参照しつつ説明する。   Hereinafter, a photoelectric switch which is an example of an electrical apparatus according to an embodiment of the present invention will be described with reference to the drawings.

図１に示すように、光電スイッチ１０は、筐体１、支持体２、カバー３、レンズユニット４、フィルタ５、フロントカバー６、ボリュームツマミ７Ａ及び７Ｂ，７Ｂ、ボリュームカバー８を備えている。   As shown in FIG. 1, the photoelectric switch 10 includes a housing 1, a support 2, a cover 3, a lens unit 4, a filter 5, a front cover 6, volume knobs 7A and 7B, 7B, and a volume cover 8.

筐体１は、前後に開放した上下２段の凹部１１及び１２を有している。支持体２は、基板９を支持し、筐体１内に背面側から挿入される。カバー３は、筐体１の背面及び２側面を被覆するように、筐体１に背面側から装着され、筐体１とともに本願発明の筐体の一部を構成する。レンズユニット４は、前後に開放した筒状体であり、筐体１の前面側から凹部１２内に挿入される。フィルタ５は、凹部１１の前面に装着される。フロントカバー６は、凹部１１及び１２の前面側を被覆する。ボリュームツマミ７Ａ及び７Ｂは、基板９に実装されたボリューム１５及び１６に嵌入するように、筐体１の上面の孔部１３及び１４にそれぞれ収納される。ボリュームカバー８は、ボリュームツマミ７Ａ及び７Ｂの上面を被覆する。   The housing 1 has two upper and lower recesses 11 and 12 that are open front and rear. The support 2 supports the substrate 9 and is inserted into the housing 1 from the back side. The cover 3 is attached to the housing 1 from the back side so as to cover the back surface and two side surfaces of the housing 1 and constitutes a part of the housing of the present invention together with the housing 1. The lens unit 4 is a cylindrical body opened front and rear, and is inserted into the recess 12 from the front side of the housing 1. The filter 5 is attached to the front surface of the recess 11. The front cover 6 covers the front side of the recesses 11 and 12. The volume knobs 7A and 7B are accommodated in the holes 13 and 14 on the upper surface of the housing 1 so as to fit into the volumes 15 and 16 mounted on the substrate 9, respectively. The volume cover 8 covers the upper surfaces of the volume knobs 7A and 7B.

図２に示すように、筐体１の背面側にカバー３が装着される。カバー３を筐体に装着する前に、基板９に対する電気部品の実装、支持体２に対する基板９の装着、筐体１に対する支持体２の取付、筐体１に対するボリュームツマミ７Ａ，７Ｂの取付、筐体１に対するボリュームカバー８の取付が、この順に完了している。   As shown in FIG. 2, a cover 3 is attached to the back side of the housing 1. Before mounting the cover 3 on the housing, mounting of electrical components on the substrate 9, mounting of the substrate 9 on the support 2, mounting of the support 2 on the housing 1, mounting of the volume knobs 7A and 7B on the housing 1, Attachment of the volume cover 8 to the housing 1 is completed in this order.

カバー３の背面３Ａ及び底面３Ｂには、開口部３１が形成されている。開口部３１は、面３Ｂ側に凹部３２を備えている。開口部３１には、後述する第１の接続ブロック４１又は第２の接続ブロック４２が選択的に装着される。開口部３１を構成する２側面には、互いに対向する位置に孔部３４が形成されている。孔部３４は、この発明の筐体側係合部に相当する。カバー３の両側面３Ｃ，３Ｄの周囲には、段部３３が形成されている。組立後の光電スイッチ１０を樹脂封止する際に、封止樹脂が段部３３内に浸入することで、封止樹脂をカバー３の表面に確実に固定することができる。   Openings 31 are formed in the back surface 3 </ b> A and the bottom surface 3 </ b> B of the cover 3. The opening 31 includes a recess 32 on the surface 3B side. A first connection block 41 or a second connection block 42 to be described later is selectively attached to the opening 31. Holes 34 are formed on the two side surfaces constituting the opening 31 at positions facing each other. The hole 34 corresponds to the housing side engaging portion of the present invention. Steps 33 are formed around both side surfaces 3C and 3D of the cover 3. When the assembled photoelectric switch 10 is resin-sealed, the sealing resin enters the step portion 33, so that the sealing resin can be reliably fixed to the surface of the cover 3.

支持体２に支持された基板９には、３個の端子９１が実装されている。各端子９１は、基板２のプリント配線により、基板２に実装されている他の電気部品に電気的に接続されている。一例として各端子９１は、中央部にスリットを有する板状体であり、スリット内に挿入された被覆線の被覆部材を切除して内部の導電線に接触する。端子９１は、カバー３を筐体１に装着した状態で開口部３１に対向し、外部から視認できる。   Three terminals 91 are mounted on the substrate 9 supported by the support 2. Each terminal 91 is electrically connected to other electrical components mounted on the substrate 2 by printed wiring on the substrate 2. As an example, each terminal 91 is a plate-like body having a slit at the center, and cuts off the covering member of the covering wire inserted into the slit and contacts the internal conductive wire. The terminal 91 faces the opening 31 in a state where the cover 3 is attached to the housing 1 and can be visually recognized from the outside.

図３に示すように、第１の接続ブロック４１は、本体４１１及び蓋体４１２から構成されている。蓋体４１２は、本体４１１の背面に嵌合する。本体４１１には、底面側に凹部４１１１が形成されており、内部に３つの段部４１１２が形成されている。蓋体４１２には、底面側に凹部４１２１が形成されている。蓋体４１２を本体４１１の背面に嵌合させた状態で、凹部４１１１と凹部４１２１とで円形の孔部を形成する。本体４１１及び蓋体４１２は、凹部４１１１及び４１２１を貫通して本体４１１の内部に挿入されたケーブル１００を挟持する。   As shown in FIG. 3, the first connection block 41 includes a main body 411 and a lid body 412. The lid body 412 is fitted to the back surface of the main body 411. The main body 411 has a concave portion 4111 formed on the bottom surface side, and three step portions 4112 formed therein. The lid body 412 has a recess 4121 on the bottom side. In a state where the lid body 412 is fitted to the back surface of the main body 411, a circular hole is formed by the concave portion 4111 and the concave portion 4121. The main body 411 and the lid body 412 sandwich the cable 100 inserted through the recesses 4111 and 4121 and inserted into the main body 411.

本体４１１には、互いに平行な２側面のそれぞれに突起４１１４が形成されている。突起４１１４は、この発明のブロック側係合部に相当し、ケース３の孔部３４に内側から弾性的に係合する。   The main body 411 has protrusions 4114 formed on two side surfaces parallel to each other. The protrusion 4114 corresponds to the block side engaging portion of the present invention, and elastically engages with the hole 34 of the case 3 from the inside.

ケーブル１００の３本の被覆線１０１は、本体４１１内で互いに分離され、それぞれ段部４１１２内に挿入される。各被覆線１０１は、一部を本体４１１の前面側に露出させて段部４１１２内に収納される。第１の接続ブロック４１は、開口部３１に嵌合して開口部３１を被覆する形状にされている。   The three covered wires 101 of the cable 100 are separated from each other in the main body 411 and are inserted into the step portions 4112 respectively. A part of each covered wire 101 is exposed in the front side of the main body 411 and stored in the stepped portion 4112. The first connection block 41 is shaped to fit into the opening 31 and cover the opening 31.

蓋体４１２には、段部４１２２が周囲に形成されている。光電スイッチ１０を樹脂封止するための封止樹脂が段部４１２２内に浸入することで、封止樹脂を第１の接続ブロック４１の表面に確実に固定することができる。   A step 4122 is formed around the lid 412. The sealing resin for resin-sealing the photoelectric switch 10 enters the step portion 4122, so that the sealing resin can be reliably fixed to the surface of the first connection block 41.

なお、ケーブル１００がこの発明の外部接続部材に相当し、被覆線１０１が同じく内部接続部材に相当する。   The cable 100 corresponds to the external connection member of the present invention, and the covered wire 101 also corresponds to the internal connection member.

また、段部４１２２は、溝部で構成することもできる。以下、段部について同様である。   Further, the step portion 4122 can be formed of a groove portion. Hereinafter, the same applies to the stepped portion.

図４に示すように、第２の接続ブロック４２は、本体４２１及び蓋体４１２から構成されている。蓋体４２２は、本体４２１の背面に嵌合する。本体４２１には、底面側に凹部４２１１が形成されており、内部に３つの段部４２１２が形成されている。蓋体４２２には、底面側に凹部４２２１が形成されている。蓋体４２２を本体４２１の背面に嵌合させた状態で、凹部４２１１と凹部４２２１とで円筒状の凹部を形成する。本体４２１及び蓋体４２２は、凹部４２１１及び４２２１に挿入されたコネクタ（ソケット）２００を挟持する。   As shown in FIG. 4, the second connection block 42 includes a main body 421 and a lid body 412. The lid body 422 is fitted to the back surface of the main body 421. The main body 421 has a recess 4211 formed on the bottom surface side, and three step portions 4212 formed therein. The lid 422 has a recess 4221 on the bottom side. In a state where the lid 422 is fitted to the back surface of the main body 421, a cylindrical recess is formed by the recess 4211 and the recess 4221. The main body 421 and the lid body 422 sandwich the connector (socket) 200 inserted into the recesses 4211 and 4221.

コネクタ２００からは、３本の被覆線２０１が露出している。３本の被覆線２０１は、本体４２１内で互いに分離され、それぞれ段部４２１２内に挿入される。各被覆線２０１は、一部を本体４２１の前面側に露出させて段部４２１２内に収納される。第２の接続ブロック４２は、開口部３１に嵌合して開口部３１を被覆する形状にされている。   Three covered wires 201 are exposed from the connector 200. The three covered wires 201 are separated from each other in the main body 421 and inserted into the stepped portion 4212, respectively. A part of each covered wire 201 is exposed to the front side of the main body 421 and stored in the stepped portion 4212. The second connection block 42 is shaped to fit into the opening 31 and cover the opening 31.

蓋体４２２には、段部４２２２が周囲に形成されている。光電スイッチ１０を樹脂封止するための封止樹脂が段部４２２２内に浸入することで、封止樹脂を第２の接続ブロック４２の表面に確実に固定することができる。   A step portion 4222 is formed around the lid 422. The sealing resin for resin-sealing the photoelectric switch 10 enters the step portion 4222 so that the sealing resin can be reliably fixed to the surface of the second connection block 42.

蓋体４２２には、互いに平行な２側面のそれぞれに突起４２２４が形成されている。突起４２２４は、この発明のブロック側係合部に相当し、ケース３の孔部３４に内側から弾性的に係合する。   The lid body 422 has protrusions 4224 on each of two parallel side surfaces. The protrusion 4224 corresponds to the block side engaging portion of the present invention, and elastically engages with the hole 34 of the case 3 from the inside.

なお、コネクタ２００がこの発明の外部接続部材に相当し、被覆線２０１が同じく内部接続部材に相当する。   The connector 200 corresponds to the external connection member of the present invention, and the covered wire 201 also corresponds to the internal connection member.

図５に示すように、ケーブル接続タイプの光電スイッチ１０Ａは、筐体１に装着されたケース３の開口部３１に、第１の接続ブロック４１を嵌合させることによって得られる。第１の接続ブロック４１を開口部３１に嵌合させると、第１の接続ブロック４１の本体４１１の前面側に露出した３本の被覆線１０１（図３参照）が、それぞれ筐体１内の３つ端子９１のスリット内に嵌入し、各端子９１に電気的に接続される。また、第１の接続ブロック４１の突起４１１４がケース３の孔部３４に内側から弾性的に係合し、ケース３の開口部３１に対する第１の接続ブロック４１の嵌合状態が維持される。   As shown in FIG. 5, the cable connection type photoelectric switch 10 </ b> A is obtained by fitting a first connection block 41 into the opening 31 of the case 3 attached to the housing 1. When the first connection block 41 is fitted into the opening 31, the three covered wires 101 (see FIG. 3) exposed on the front side of the main body 411 of the first connection block 41 are respectively in the housing 1. The three terminals 91 are inserted into the slits and are electrically connected to the terminals 91. Further, the protrusion 4114 of the first connection block 41 is elastically engaged with the hole 34 of the case 3 from the inside, and the fitting state of the first connection block 41 with the opening 31 of the case 3 is maintained.

第１の接続ブロック４１の本体４１１には、突出部４１１３が形成されている。突出部４１１３は、第１の接続ブロック４１を開口部３１に嵌合させた際に、凹部３２を被覆する。   A protrusion 4113 is formed on the main body 411 of the first connection block 41. The protrusion 4113 covers the recess 32 when the first connection block 41 is fitted into the opening 31.

ケーブル１００の端部を図示しない外部機器に接続することにより、ケーブル１００を介して光電スイッチ１０Ａを外部機器に接続することができる。   By connecting the end of the cable 100 to an external device (not shown), the photoelectric switch 10A can be connected to the external device via the cable 100.

図６に示すように、コネクタ接続タイプの光電スイッチ１０Ｂは、筐体１に装着されたケース３の開口部３１に、第２の接続ブロック４２を嵌合させることによって得られる。第２の接続ブロック４２を開口部３１に嵌合させると、第２の接続ブロック４２の本体４２１の前面側に露出した３本の被覆線２０１（図４参照）が、それぞれ筐体１内の３つ端子９１のスリット内に嵌入し、各端子９１に電気的に接続される。また、第２の接続ブロック４２の突起４２２４がケース３の孔部３４に内側から弾性的に係合し、ケース３の開口部３１に対する第２の接続ブロック４２の嵌合状態が維持される。   As shown in FIG. 6, the connector connection type photoelectric switch 10 </ b> B is obtained by fitting the second connection block 42 into the opening 31 of the case 3 attached to the housing 1. When the second connection block 42 is fitted into the opening 31, the three covered wires 201 (see FIG. 4) exposed on the front side of the main body 421 of the second connection block 42 are respectively in the housing 1. The three terminals 91 are inserted into the slits and are electrically connected to the terminals 91. Further, the protrusion 4224 of the second connection block 42 is elastically engaged with the hole 34 of the case 3 from the inside, and the fitting state of the second connection block 42 with the opening 31 of the case 3 is maintained.

第２の接続ブロック４２から露出したコネクタ２００の一部は、第１の接続ブロック４１を開口部３１に嵌合させた際に、凹部３２に嵌入して被覆する。   A part of the connector 200 exposed from the second connection block 42 is fitted and covered in the recess 32 when the first connection block 41 is fitted into the opening 31.

図示しない外部機器から延出したケーブルの端部に取り付けられたコネクタ（プラグ）をコネクタ２００に装着することにより、コネクタ２００を介して光電スイッチ１０Ｂを外部機器に接続することができる。   By attaching a connector (plug) attached to the end of a cable extending from an external device (not shown) to the connector 200, the photoelectric switch 10B can be connected to the external device via the connector 200.

以上のようにして、第１の接続ブロック４１又は第２の接続ブロック４２を選択的に開口部３１に嵌合させることにより、ケーブル接続タイプの光電スイッチ１０Ａとコネクタ接続タイプの光電スイッチ１０Ｂとを選択的に製造することができる。第１の接続ブロック４１又は第２の接続ブロック４２を開口部３１に嵌合させる工程は、樹脂封止工程を除いて光電スイッチ１０Ａ又は１０Ｂの組立作業における最終行程であり、この工程よりも前の工程までの工程を共通化でき、組立作業を簡略化できる。   As described above, by selectively fitting the first connection block 41 or the second connection block 42 into the opening 31, the cable connection type photoelectric switch 10A and the connector connection type photoelectric switch 10B are connected. It can be produced selectively. The step of fitting the first connection block 41 or the second connection block 42 into the opening 31 is the final step in the assembly work of the photoelectric switch 10A or 10B except the resin sealing step, and before this step. The process up to this process can be made common, and the assembly work can be simplified.

上述の実施形態の説明は、すべての点で例示であって、制限的なものではないと考えられるべきである。本発明の範囲は、上述の実施形態ではなく、特許請求の範囲によって示される。さらに、本発明の範囲には、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。例えば、電気機器は光電スイッチに限るものではなく、複数の接続方式の何れかで選択的に外部機器に接続される他の電気機器にも、この発明を同様に実施できる。また、複数の接続方式は、ケーブル接続方式とコネクタ接続方式との組み合わせに限るものではない。   The above description of the embodiment is to be considered in all respects as illustrative and not restrictive. The scope of the present invention is shown not by the above embodiments but by the claims. Furthermore, the scope of the present invention is intended to include all modifications within the meaning and scope equivalent to the scope of the claims. For example, the electrical device is not limited to a photoelectric switch, and the present invention can be similarly applied to other electrical devices that are selectively connected to an external device by any of a plurality of connection methods. The plurality of connection methods are not limited to the combination of the cable connection method and the connector connection method.

１−本体
３−支持体
９−基板
１０−光電スイッチ
４１−第１の接続ブロック
４２−第２の接続ブロック
９１−端子（端子部）
１００−ケーブル（外部接続部材）
１０１，２０１−被覆線（内部接続部材）
２００−コネクタ 1-main body 3-support 9-substrate 10-photoelectric switch 41-first connection block 42-second connection block 91-terminal (terminal portion)
100-cable (external connection member)
101, 201-covered wire (internal connection member)
200-connector

Claims (4)

外部機器に接続される電気部品を収納する中空の筐体であって、一部に開口部を備えた筐体と、
前記筐体内で、前記電気部品に接続され、前記開口部に対向する位置に配置された端子部と、
前記外部機器に接続される互いに異なる形状の外部接続部材を有するとともに前記端子部に接続される互いに同一形状の内部接続部材を有する複数の接続ブロックであって、前記開口部に択一的に装着される複数の接続ブロックと、
を備え、前記複数の接続ブロックの何れかが前記開口部に装着された際に前記内部接続部材が前記端子部に電気的に接続される電気機器。 A hollow housing for storing electrical components connected to an external device, the housing having an opening in part,
A terminal portion that is connected to the electrical component and disposed at a position facing the opening in the housing;
A plurality of connection blocks having external connection members of different shapes connected to the external device and having internal connection members of the same shape connected to the terminal portion, which are alternatively mounted in the opening A plurality of connected blocks,
And the internal connection member is electrically connected to the terminal portion when any of the plurality of connection blocks is attached to the opening. 前記筐体は、前記開口部に筐体側係合部を有し、
前記複数の接続ブロックは、それぞれ前記筐体側係合部に弾性的に係合するブロック側係合部を有する請求項１に記載の電気機器。 The housing has a housing side engaging portion in the opening,
The electrical device according to claim 1, wherein each of the plurality of connection blocks includes a block-side engagement portion that elastically engages with the housing-side engagement portion. 前記複数の接続ブロックは、前記外部接続部材がそれぞれケーブル及びコネクタである第１及び第２の接続ブロックを含む請求項１又は２に記載の電気機器。   The electrical device according to claim 1, wherein the plurality of connection blocks include first and second connection blocks in which the external connection member is a cable and a connector, respectively. 前記開口部は、前記コネクタの周面の一部が嵌入する凹部を有し、
前記第１の接続ブロックは、前記凹部を閉塞する突出部を有する請求項３に記載の電気機器。 The opening has a recess into which a part of the peripheral surface of the connector is fitted,
The electrical device according to claim 3, wherein the first connection block has a protrusion that closes the recess.
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Citations (8)

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JPS6269374U (en) * 1985-10-18 1987-05-01
JPS6399720U (en) * 1986-12-19 1988-06-28
JPH06163131A (en) * 1992-09-25 1994-06-10 Matsushita Electric Works Ltd Structure of connector part of photoelectric sensor
JPH10107456A (en) * 1996-09-27 1998-04-24 Idec Izumi Corp Casing structure for electronic apparatus and assembling thereof
JP2001155596A (en) * 1999-11-26 2001-06-08 Omron Corp Sensor
JP2008177053A (en) * 2007-01-18 2008-07-31 Yazaki Corp Control circuit built-in unit
JP2010135353A (en) * 2008-12-02 2010-06-17 Yazaki Corp Electronic equipment
JP2013012427A (en) * 2011-06-30 2013-01-17 Yazaki Corp Connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4048095B2 (en) 2002-10-07 2008-02-13 Ｉｄｅｃ株式会社 Electrical equipment

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Publication number Priority date Publication date Assignee Title
JPS6269374U (en) * 1985-10-18 1987-05-01
JPS6399720U (en) * 1986-12-19 1988-06-28
JPH06163131A (en) * 1992-09-25 1994-06-10 Matsushita Electric Works Ltd Structure of connector part of photoelectric sensor
JPH10107456A (en) * 1996-09-27 1998-04-24 Idec Izumi Corp Casing structure for electronic apparatus and assembling thereof
JP2001155596A (en) * 1999-11-26 2001-06-08 Omron Corp Sensor
JP2008177053A (en) * 2007-01-18 2008-07-31 Yazaki Corp Control circuit built-in unit
JP2010135353A (en) * 2008-12-02 2010-06-17 Yazaki Corp Electronic equipment
JP2013012427A (en) * 2011-06-30 2013-01-17 Yazaki Corp Connector

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