JP2012059678A - Electrical apparatus - Google Patents

Electrical apparatus Download PDF

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Publication number
JP2012059678A
JP2012059678A JP2010204787A JP2010204787A JP2012059678A JP 2012059678 A JP2012059678 A JP 2012059678A JP 2010204787 A JP2010204787 A JP 2010204787A JP 2010204787 A JP2010204787 A JP 2010204787A JP 2012059678 A JP2012059678 A JP 2012059678A
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Japan
Prior art keywords
recess
lid member
terminal
electric device
fixing bolt
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JP2010204787A
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JP5635344B2 (en
Inventor
Yasuhiro Sumino
安弘 住野
Kiwamu Shibata
究 柴田
Hiroyuki Kudo
弘行 工藤
Hiroshi Miura
啓 三浦
Susumu Nakano
進 中埜
Kei Matsumiya
桂 松宮
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Panasonic Corp
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Panasonic Corp
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Priority to JP2010204787A priority Critical patent/JP5635344B2/en
Priority to TW100132686A priority patent/TWI436536B/en
Priority to CN201180003009.2A priority patent/CN102652380B/en
Priority to PCT/IB2011/002112 priority patent/WO2012035399A1/en
Priority to KR1020127002776A priority patent/KR101282499B1/en
Publication of JP2012059678A publication Critical patent/JP2012059678A/en
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Publication of JP5635344B2 publication Critical patent/JP5635344B2/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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • 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
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/34—Conductive members located under head of screw
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks

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  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide an electrical apparatus of which a terminal cover that covers a terminal part is easily opened/closed, and a place on which the terminal cover is put is not required to be paid attention to, with no possibility of missing.SOLUTION: An electrical apparatus 10 includes a box-like case 11, and a circuit that operates upon receiving power supply from outside is housed inside the case 11. Relating to the case 11, a recess 25 is provided at a first surface 21 and a second surface 22, adjoining each other, and the recess 25 is provided with a plurality of terminal parts 262 which are electrically connected to the circuit and in which a threaded terminal can be screwed. Since a lid member 40 whose cross section is almost L-like and which covers the recess 25 is provided to the case 11 for opening/closing with a rotational axis L1 which is parallel to a ridge line as a center, the rid member 40 that covers the terminal member 262 is easily opened/closed, for improved work efficiency. Since the rid member 40 is not required to be dismounted from the case 11, there is no need to pay attention to a place on which the rid member 40 is put, with no possibility of missing.

Description

本発明は、例えば分電盤に収納されて使用できる電気機器に関するものである。   The present invention relates to an electric device that can be used by being housed in, for example, a distribution board.

従来から、例えば遠隔監視制御システムの調光端末器のように、分電盤に収納されて使用される電気機器が知られている（例えば、特許文献１参照）。
図１０に示すように、特許文献１に記載の電気機器１００は、ボディー１０１とカバー１０２を結合して構成される箱形の器体１０３を有する。器体１０３には、複数の螺子端子からなり、商用電源に接続される電源用端子部１０４、照明負荷からの電線が接続される負荷用端子部１０５および調光信号等の信号を伝送する信号線が接続される信号用端子部１０６が設けられている。 2. Description of the Related Art Conventionally, an electric device that is housed in a distribution board and used like a dimming terminal of a remote monitoring control system is known (for example, see Patent Document 1).
As shown in FIG. 10, the electric device 100 described in Patent Document 1 includes a box-shaped container 103 configured by combining a body 101 and a cover 102. The body 103 includes a plurality of screw terminals, a power terminal 104 connected to a commercial power source, a load terminal 105 connected to an electric wire from a lighting load, and a signal for transmitting a signal such as a dimming signal. A signal terminal portion 106 to which a line is connected is provided.

電源用端子部１０４および負荷用端子部１０５は、カバー１０２の前面に設けられている端子用凹部１０７に設けられており、螺子により接続される。端子用凹部１０７には端子カバー１０８が設けられており、端子用凹部１０７の上部および前部の一部を覆っている。なお、端子カバー１０８は、固定ボルト１０９によりカバー１０２に着脱可能に取り付けられている。
これにより、作業者の指が端子用凹部１０７に侵入するのを防止している。 The power terminal 104 and the load terminal 105 are provided in a terminal recess 107 provided on the front surface of the cover 102, and are connected by screws. A terminal cover 108 is provided in the terminal recess 107 and covers an upper portion and a part of the front portion of the terminal recess 107. The terminal cover 108 is detachably attached to the cover 102 with fixing bolts 109.
This prevents the operator's finger from entering the terminal recess 107.

特開２００９−２６６４８７号公報（第１図）JP 2009-266487 A (FIG. 1)

しかしながら、前述した特許文献１に記載の電気機器１００においては、電源用端子部１０４および負荷用端子部１０５への接続作業の際には、カバー１０２とは別体である端子カバー１０８を取り外す必要がある。この際、固定ボルト１０９を取り外して、端子カバー１０８を外してから作業を行わねばならず、面倒であるという問題があった。
また、取り外した端子カバー１０８や固定ボルト１０９の置き場所を考慮する必要があり、余分な留意が要求される。さらに、留意が足りない場合には、端子カバー１０８や固定ボルト１０９等を紛失する虞もある。 However, in the electric device 100 described in Patent Document 1 described above, when connecting to the power supply terminal unit 104 and the load terminal unit 105, it is necessary to remove the terminal cover 108 that is separate from the cover 102. There is. At this time, the fixing bolt 109 must be removed and the terminal cover 108 must be removed before starting the operation, which is troublesome.
Further, it is necessary to consider the place where the removed terminal cover 108 and fixing bolt 109 are placed, and extra care is required. Furthermore, if attention is not enough, the terminal cover 108 and the fixing bolt 109 may be lost.

本発明は、従来の問題を解決するためになされたもので、端子部を覆う蓋部材を容易に開閉することができ、蓋部材の置き場所に留意することなく，紛失の虞がない電気機器を提供することを目的とする。   The present invention has been made to solve the conventional problems, and can easily open and close the lid member covering the terminal portion, and there is no risk of losing without paying attention to the place where the lid member is placed. The purpose is to provide.

本発明の電気機器は、外部からの電源の供給を受けて動作する回路を収納した箱形状の筐体と、前記筐体における互いに隣り合う第１の面および第２の面に亘って設けられ、かつ、前記第１の面および前記第２の面間の稜線に沿った両端部の角部が残るように設けられた凹部と、前記凹部に設けられ、前記回路に対して電気的に接続されているとともにねじ端子が螺合可能な複数の端子部と、前記凹部を覆う断面略Ｌ字状の蓋部材と、前記蓋部材が、前記稜線と平行な回動軸を中心として前記筐体に対して開閉可能であるものである。   The electrical device of the present invention is provided across a box-shaped housing that houses a circuit that operates by receiving power from the outside, and the first surface and the second surface that are adjacent to each other in the housing. And a recess provided to leave corners at both ends along the ridge line between the first surface and the second surface, and the recess provided in the recess and electrically connected to the circuit A plurality of terminal portions to which screw terminals can be screwed together, a lid member having a substantially L-shaped cross-section covering the recess, and the lid member centering on a rotation axis parallel to the ridge line Can be opened and closed.

また、本発明の電気機器は、前記筐体に対して前記蓋部材が着脱自在であるものである。   In the electric device of the present invention, the lid member can be attached to and detached from the housing.

また、本発明の電気機器は、前記蓋部材の裏面に設けられ、前記凹部を覆う状態において前記凹部の底部まで延びる筒部と、前記蓋部材の表面側から前記筒部に挿通され、前記凹部の前記底部に螺子部が螺合される固定ボルトとを有するものである。   The electrical device of the present invention is provided on the back surface of the lid member and extends to the bottom of the recess in a state of covering the recess, and is inserted into the cylinder from the surface side of the lid member, and the recess And a fixing bolt with which a screw part is screwed to the bottom part.

また、本発明の電気機器は、前記筒部の内面に前記固定ボルトの前記螺子部が螺合通過する螺合部が設けられているとともに、前記螺合部と前記固定ボルトの頭部との間に圧縮ばねが介装されているものである。   In the electric device according to the present invention, a screwing portion through which the screw portion of the fixing bolt is screwed and passed is provided on an inner surface of the cylindrical portion, and the screwing portion and a head of the fixing bolt are provided. A compression spring is interposed between them.

さらに、本発明の電気機器は、前記蓋部材における前記回動軸と平行な方向に沿った端縁に設けられた第１係合部と、前記凹部の内面に設けられ、前記蓋部材が前記凹部を覆う状態において前記第１係合部に係合する第２係合部とを備えるものである。   Furthermore, the electric device according to the present invention is provided on a first engagement portion provided at an edge of the lid member along a direction parallel to the rotation axis, and provided on an inner surface of the recess, and the lid member is And a second engagement portion that engages with the first engagement portion in a state of covering the recess.

本発明は、筐体において互いに隣り合う第１の面および第２の面に亘って複数の端子部を有する凹部が設けられており、凹部を覆う断面略Ｌ字状の蓋部材が回動軸を中心として筐体に対して開閉可能に設けられているので、端子部を覆う蓋部材を容易に開閉することができ、作業効率を向上できる。また、蓋部材は筐体から外さなくてよいので、蓋部材の置き場所に留意する必要がなく、紛失の虞もないという効果を有する電気機器を提供できる。   According to the present invention, a recess having a plurality of terminal portions is provided across a first surface and a second surface adjacent to each other in a housing, and a substantially L-shaped lid member covering the recess is a rotation shaft. The lid member covering the terminal portion can be easily opened and closed, and the working efficiency can be improved. In addition, since the lid member does not have to be removed from the housing, it is not necessary to pay attention to the place where the lid member is placed, and it is possible to provide an electric device having an effect that there is no risk of loss.

本発明に係る実施形態の電気機器の全体斜視図The whole perspective view of the electric equipment of the embodiment concerning the present invention. 本発明に係る実施形態の電気機器において蓋部材を開けた状態の全体斜視図The whole perspective view of the state which opened the lid member in the electric equipment of the embodiment concerning the present invention. 本発明に係る実施形態の電気機器において蓋部材を取り外した状態の平面図The top view of the state which removed the cover member in the electric equipment of embodiment which concerns on this invention 蓋部材を表側から見た分解斜視図The exploded perspective view which looked at the cover member from the front side 蓋部材を裏側から見た斜視図The perspective view which looked at the lid member from the back side （Ａ）は図４中ＶＩ部分の拡大斜視図であり、（Ｂ）は（Ａ）中Ｂ方向から見た背面図4A is an enlarged perspective view of a portion VI in FIG. 4, and FIG. 4B is a rear view as viewed from the B direction in FIG. 図５中ＶＩＩ−ＶＩＩ位置の断面図Sectional drawing of the VII-VII position in FIG. 図２中ＶＩＩＩ部分の拡大斜視図FIG. 2 is an enlarged perspective view of the VIII portion. 図４中ＩＸ部分の拡大斜視図Enlarged perspective view of IX portion in FIG. （Ａ）は従来の電気機器の全体斜視図であり、（Ｂ）は一部分解斜視図(A) is the whole perspective view of the conventional electric equipment, (B) is a partially exploded perspective view.

以下、本発明に係る実施形態の電気機器について、図面を用いて説明する。
図１に示す本発明に係る実施形態の電気機器１０は、例えば分電盤（図示省略）に収納される遠隔監視制御システムの調光端末器として用いることができる。 Hereinafter, an electrical apparatus according to an embodiment of the present invention will be described with reference to the drawings.
The electric device 10 according to the embodiment of the present invention shown in FIG. 1 can be used as a dimming terminal of a remote monitoring control system housed in, for example, a distribution board (not shown).

図１および図２に示すように、電気機器１０は、例えば、絶縁性を有する合成樹脂材料で形成され下方に開口した矩形箱状の上筐体２０と、アルミダイカスト等の熱伝導性の高い材料で形成され上方に開口した下筐体３０とを組み合わせた矩形箱形状の筐体１１を有する。筐体１１の内部には、外部からの電源の供給を受けて動作する回路を収納している。
なお、以下の説明においては、図１中左手前側を前側とし、右奥側を後側と定める。 As shown in FIG. 1 and FIG. 2, the electric device 10 includes, for example, a rectangular box-shaped upper housing 20 formed of an insulating synthetic resin material and opened downward, and a high thermal conductivity such as aluminum die casting. A rectangular box-shaped casing 11 is formed by combining a lower casing 30 formed of a material and opened upward. A circuit that operates in response to the supply of power from the outside is accommodated in the housing 11.
In the following description, the left front side in FIG. 1 is defined as the front side, and the right back side is defined as the rear side.

下筐体３０の前面３１および後面（図示省略）には、複数個の係合孔３２が設けられている。
従って、電気機器１０を分電盤（図示省略）内部に収納して固定する際に、分電盤に設けられている取付具や、筐体１１同士を連設するための連設板（図示省略）を挿入することにより、容易に取り付けることができる。 A plurality of engagement holes 32 are provided on the front surface 31 and the rear surface (not shown) of the lower housing 30.
Therefore, when the electrical device 10 is housed and fixed inside a distribution board (not shown), a fixture provided on the distribution board and a connection plate (not shown) for connecting the casings 11 together. It can be easily attached by inserting (omitted).

上筐体２０には、互いに隣り合う第１の面である上面２１および第２の面である前面２２に亘って設けられ、且つ、上面２１および前面２２間の稜線２３に沿った両端部の角部である側面前部２４が残るように凹部２５（図３参照）が設けられている。   The upper housing 20 is provided across the upper surface 21 that is the first surface adjacent to each other and the front surface 22 that is the second surface, and at both ends along the ridge line 23 between the upper surface 21 and the front surface 22. A concave portion 25 (see FIG. 3) is provided so that the side surface front portion 24 that is a corner portion remains.

また、側面前部２４の内面２４１には上下方向にリブ２４２が設けられており、リブ２４２の上端には、後述する蓋部材４０を仮止めするための第２係合部である係止爪２４３が，凹部２５の内側に突出して設けられている。
図８に示すように、係止爪２４３は、先端下面に、凹部２５の内側に水平に突出するストッパ面２４４を有し、先端上面には、先端に向かって下降する傾斜面２４５を有する。 In addition, a rib 242 is provided on the inner surface 241 of the front side portion 24 in the vertical direction, and a locking claw which is a second engaging portion for temporarily fixing a lid member 40 described later on the upper end of the rib 242. 243 is provided so as to protrude inside the recess 25.
As shown in FIG. 8, the locking claw 243 has a stopper surface 244 that protrudes horizontally inside the recess 25 on the lower surface of the distal end, and an inclined surface 245 that descends toward the distal end on the upper surface of the distal end.

図２に示すように、凹部２５は、前側の深い凹部（前凹部２５１）と、後側の浅い凹部（後凹部２５２）とから、全体Ｌ字形状に形成されており、両凹部２５１，２５２の底部２５１Ａ，２５２Ａは段違いに設けられている。両凹部２５１，２５２には、幅方向に所定間隔で仕切板２６１が設けられており、各々複数個の端子部２６２が設けられて接続部２６を形成している。   As shown in FIG. 2, the recess 25 is formed in an overall L shape from a deep recess on the front side (front recess 251) and a shallow recess on the rear side (rear recess 252). The bottom portions 251A and 252A are provided at different levels. In both the concave portions 251 and 252, partition plates 261 are provided at a predetermined interval in the width direction, and a plurality of terminal portions 262 are provided to form connection portions 26.

ここでは、図３にも示すように、各凹部２５１，２５２に８個ずつ，合計１６個の端子部２６２が設けられており、例えば、８個の端子部２６２に端子２６３を設けて使用している。端子２６３は、筐体１１内部に収納されている回路（図示省略）に接続される端子板２６４と、端子板２６４に設けられたねじ孔に螺合するねじ端子２６５とで構成される。
なお、端子部２６２のうちの２個には、後述する蓋部材４０を固定するためのねじ孔２８が設けられている（図３参照）。 Here, as shown in FIG. 3, a total of 16 terminal portions 262 are provided in each of the recesses 251 and 252, for example, the terminal 263 is provided in the eight terminal portions 262. ing. The terminal 263 includes a terminal plate 264 connected to a circuit (not shown) housed in the housing 11 and a screw terminal 265 screwed into a screw hole provided in the terminal plate 264.
Two of the terminal portions 262 are provided with screw holes 28 for fixing a lid member 40 described later (see FIG. 3).

従って、端子２６２に接続される信号線等の電線（図示省略）は、導線をねじ端子２６５に巻き付けてねじ端子２６５を締め付けることにより、電気的および機械的に接続できる。あるいは、電線の先端に取り付けた圧着端子（図示省略）にねじ端子２６５が挿通できる貫通穴を設けておき、貫通穴にねじ端子２６５を挿通して締め付けて接続することもできる。   Therefore, an electric wire (not shown) such as a signal line connected to the terminal 262 can be electrically and mechanically connected by winding the conductive wire around the screw terminal 265 and tightening the screw terminal 265. Alternatively, a through hole into which the screw terminal 265 can be inserted is provided in a crimp terminal (not shown) attached to the tip of the electric wire, and the screw terminal 265 can be inserted into the through hole and tightened to be connected.

また、図３に示すように、上筐体２０の上面２１の後端部には、商用電源に接続される接続部２７が設けられている。この接続部２７は２個の端子２７１，２７２を有している。
なお、端子２７１，２７２の構造は、前述した端子２６３と同様である。 As shown in FIG. 3, a connection portion 27 connected to a commercial power source is provided at the rear end portion of the upper surface 21 of the upper housing 20. The connection portion 27 has two terminals 271 and 272.
The structure of the terminals 271 and 272 is the same as the terminal 263 described above.

図２に示すように、上筐体２０の凹部２５を覆う蓋部材４０が、回動軸Ｌ１まわりに開閉可能且つ取り外し可能に設けられている。
図４に示すように、蓋部材４０は、上筐体２０の前凹部２５１に対応する前部４１と、後凹部２５２に対応する後部４２とから階段状（Ｌ字形状）に設けられている。後部４２の後端部には、蓋部材４０を回動軸Ｌ１まわりに開閉可能に支持するための軸突起４３が設けられている。 As shown in FIG. 2, a lid member 40 that covers the concave portion 25 of the upper housing 20 is provided so as to be openable and closable and removable around the rotation axis L1.
As shown in FIG. 4, the lid member 40 is provided in a stepped shape (L shape) from a front portion 41 corresponding to the front recess 251 of the upper housing 20 and a rear portion 42 corresponding to the rear recess 252. . A shaft protrusion 43 for supporting the lid member 40 so as to be openable and closable around the rotation axis L1 is provided at the rear end portion of the rear portion 42.

図６（Ａ）に示すように、軸突起４３は、蓋部材４０の後部４２の側面から外側へ突出する略半円形状の部材である。また、図６（Ｂ）に示すように、軸突起４３は、上筐体２０の上面２１の前端に設けられる回動軸Ｌ１上に設けられており、上面２１の前端において左右両端部に設けられている軸受け部２１１（図１参照）の先端に凹設されている軸凹部２１２に嵌合する。
従って、軸突起４３が軸凹部２１２に嵌合することにより、蓋部材４０は開閉可能に支持される。そして、所定以上の外力を作用させることにより、半球状の軸突起４３は軸凹部２１２から離脱するので、蓋部材４０を筐体１１から取り外すことができる。 As shown in FIG. 6A, the shaft protrusion 43 is a substantially semicircular member that protrudes outward from the side surface of the rear portion 42 of the lid member 40. Further, as shown in FIG. 6B, the shaft protrusions 43 are provided on the rotation shaft L1 provided at the front end of the upper surface 21 of the upper housing 20, and are provided at both left and right end portions at the front end of the upper surface 21. It fits into a shaft recess 212 that is recessed at the tip of the bearing 211 (see FIG. 1).
Therefore, when the shaft protrusion 43 is fitted into the shaft recess 212, the lid member 40 is supported to be openable and closable. Then, by applying an external force of a predetermined level or more, the hemispherical shaft protrusion 43 is detached from the shaft recess 212, so that the lid member 40 can be removed from the housing 11.

図４に示すように、蓋部材４０には、蓋部材４０を閉じた状態で各端子部２６２に対応する円形の開口部４４が設けられており、ねじ回しを挿入して端子部２６２のねじ端子２６５を回すことができる。各開口部４４は、蓋部材４０の外面４０２に設けられた複数のリブ４０４により仕切られるとともに、蓋部材４０が補強されている。また、蓋部材４０の前面４０３にもリブ４０５が設けられており、蓋部材４０の補強を図っている。   As shown in FIG. 4, the lid member 40 is provided with a circular opening 44 corresponding to each terminal portion 262 in a state in which the lid member 40 is closed. Terminal 265 can be turned. Each opening 44 is partitioned by a plurality of ribs 404 provided on the outer surface 402 of the lid member 40, and the lid member 40 is reinforced. A rib 405 is also provided on the front surface 403 of the lid member 40 to reinforce the lid member 40.

開口部４４のうち、後部４２に設けられている２個の開口部４４１，４４１から固定ボルト４５を挿通して、凹部２５の底部２５２Ａに設けられているねじ孔２８に締め付けることにより、蓋部材４０を固定する。
なお、固定ボルト４５は、頭部４５１および螺子部４５２を有しており、頭部４５１と螺子部４５２との間には、螺子部４５２の谷径よりも小径の軸部４５３を有する。 Of the opening 44, the fixing bolt 45 is inserted through the two openings 441 and 441 provided in the rear portion 42, and tightened into the screw hole 28 provided in the bottom 252 </ b> A of the recess 25. 40 is fixed.
The fixing bolt 45 includes a head portion 451 and a screw portion 452, and a shaft portion 453 having a smaller diameter than the valley diameter of the screw portion 452 is provided between the head portion 451 and the screw portion 452.

図５に示すように、蓋部材４０の内面４０１には、開口部４４１に連続して筒部４６が設けられている。筒部４６は、蓋部材４０を閉じた際に、先端４６３が上筐体２０の凹部２５の底部２５２Ａに当接する長さを有する。   As shown in FIG. 5, a cylindrical portion 46 is provided on the inner surface 401 of the lid member 40 so as to be continuous with the opening 441. The cylindrical portion 46 has such a length that the tip 463 comes into contact with the bottom 252A of the concave portion 25 of the upper housing 20 when the lid member 40 is closed.

図７に示すように、筒部４６は、上側の大径部４６１と、下側の小径部４６２を有する。大径部４６１は、固定ボルト４５の頭部４５１が通過可能な内径を有しており、小径部４６２は、螺子部４５２および軸部４５３が通過可能な内径を有する。
大径部４６１と小径部４６２との境界には、隔壁４７が設けられており、固定ボルト４５の螺子部４５２が螺合する螺合部４７１が設けられている。また、固定ボルト４５には圧縮ばね４８が介装されており、固定ボルト４５を筒部４６に取り付けた状態で、筒部４６の隔壁４７の上面と、固定ボルト４５の頭部４５１の下面との間に取り付けられる。 As shown in FIG. 7, the cylindrical portion 46 has an upper large diameter portion 461 and a lower small diameter portion 462. The large diameter portion 461 has an inner diameter through which the head portion 451 of the fixing bolt 45 can pass, and the small diameter portion 462 has an inner diameter through which the screw portion 452 and the shaft portion 453 can pass.
A partition wall 47 is provided at the boundary between the large-diameter portion 461 and the small-diameter portion 462, and a screwing portion 471 into which the screw portion 452 of the fixing bolt 45 is screwed is provided. A compression spring 48 is interposed in the fixing bolt 45. With the fixing bolt 45 attached to the cylindrical portion 46, the upper surface of the partition wall 47 of the cylindrical portion 46, and the lower surface of the head 451 of the fixing bolt 45 It is attached between.

なお、固定ボルト４５は、予め蓋部材４０の開口部４４１に取り付けておく。すなわち、固定ボルト４５の螺子部４５２が筒部４６の隔壁４７の螺合部４７１を通過した状態としておくのが望ましい。
この状態では、筒部４６に取り付けられた固定ボルト４５は、圧縮ばね４８により上方へ付勢されるが、固定ボルト４５の螺子部４５２が隔壁４７の螺合部４７１を下方へ通過した状態では、固定ボルト４５は筒部４６から脱落することはない。これにより、蓋部材４０の固定作業が容易になる。 The fixing bolt 45 is attached in advance to the opening 441 of the lid member 40. That is, it is desirable that the screw part 452 of the fixing bolt 45 pass through the screwing part 471 of the partition wall 47 of the cylinder part 46.
In this state, the fixing bolt 45 attached to the cylindrical portion 46 is urged upward by the compression spring 48, but in a state where the screw portion 452 of the fixing bolt 45 passes the screwing portion 471 of the partition wall 47 downward. The fixing bolt 45 does not fall off from the cylindrical portion 46. Thereby, the fixing operation of the lid member 40 is facilitated.

図４に示すように、蓋部材４０の両側端部には、前述した凹部２５に設けられている係止爪２４３が係合する第１係合部である係合凹部４９が設けられている。図９に示すように、係合凹部４９は、矩形状の切欠４９１と、切欠４９１内部の係合部４９２とを有する。
従って、係止爪２４３が係合凹部４９に係合すると、係合部４９２を係合するとともに、切欠４９１に収容されるので、係止爪２４３は外部に突出しない。 As shown in FIG. 4, engagement concave portions 49, which are first engagement portions with which the locking claws 243 provided in the concave portions 25 are engaged, are provided at both end portions of the lid member 40. . As shown in FIG. 9, the engagement recess 49 has a rectangular cutout 491 and an engagement portion 492 inside the cutout 491.
Therefore, when the latching claw 243 is engaged with the engagement recess 49, the engagement portion 492 is engaged and is accommodated in the notch 491, so that the latching claw 243 does not protrude to the outside.

次に、電気機器１０への電線の接続作業について説明する。
電気機器１０の蓋部材４０を開ける。もしくは、開けて取り外す。電線の先端を所定の位置の端子部２６２に接続し、ねじ端子２６５を締め付けて、電線を電気的および機械的に接続する。
次いで、蓋部材４０を閉じる。あるいは、蓋部材４０を取り外してある場合には、蓋部材４０に設けられている軸突起４３を、上筐体２０の凹部２５に設けられている軸凹部２１２に嵌合させた後に閉じる。これにより、上筐体２０の凹部２５に設けられている係止爪２４３により蓋部材４０の係合凹部４９を係止するので、蓋部材４０は仮止めされる。この際、係止爪２４３の上面に傾斜面２４５が設けられているので、係合凹部４９は容易に係止爪２４３により係止される。
その後、蓋部材４０の筒部４６に取り付けられている固定ボルト４５を、凹部２５の底部２５２Ａのねじ孔２８に締結して，取付を完了する。 Next, the connection work of the electric wire to the electric device 10 will be described.
The lid member 40 of the electric device 10 is opened. Or open and remove. The tip of the electric wire is connected to the terminal portion 262 at a predetermined position, the screw terminal 265 is tightened, and the electric wire is electrically and mechanically connected.
Next, the lid member 40 is closed. Alternatively, when the lid member 40 has been removed, the shaft protrusion 43 provided on the lid member 40 is closed after being fitted to the shaft recess 212 provided on the recess 25 of the upper housing 20. As a result, the engaging recess 49 of the lid member 40 is locked by the locking claw 243 provided in the recess 25 of the upper housing 20, so that the lid member 40 is temporarily fixed. At this time, since the inclined surface 245 is provided on the upper surface of the locking claw 243, the engaging recess 49 is easily locked by the locking claw 243.
Thereafter, the fixing bolt 45 attached to the cylindrical portion 46 of the lid member 40 is fastened to the screw hole 28 of the bottom portion 252A of the recess 25 to complete the attachment.

以上、説明した本発明に係る実施形態の電気機器１０によれば、筐体１１において、互いに隣り合う上面２１および前面２２に亘って凹部２５が設けられており、凹部２５には回路に対して電気的に接続されているとともにねじ端子２６５が螺合可能な複数の端子部２６２が設けられている。
凹部２５は、上面２１および前面２２の稜線２３に沿った両端部の側面前部２４が残るように設けられており、凹部２５を覆う断面略Ｌ字状の蓋部材４０が、稜線２３と平行な回動軸Ｌ１を中心として、筐体１１に対して開閉可能に設けられているので、端子部２６２を覆う蓋部材４０を容易に開閉することができ、作業効率を向上できる。
また、蓋部材４０は筐体１１から外さなくてもよいので、蓋部材４０の置き場所に留意する必要がなく、紛失の虞もない。 As described above, according to the electric device 10 according to the embodiment of the present invention described above, the housing 11 is provided with the recess 25 across the upper surface 21 and the front surface 22 adjacent to each other, and the recess 25 is connected to the circuit. A plurality of terminal portions 262 that are electrically connected and to which the screw terminals 265 can be screwed are provided.
The recess 25 is provided so that the front side portions 24 at both ends along the ridge line 23 of the upper surface 21 and the front surface 22 remain, and a substantially L-shaped lid member 40 covering the recess 25 is parallel to the ridge line 23. Since it is provided so as to be openable and closable with respect to the housing 11 around the rotation axis L1, the lid member 40 covering the terminal portion 262 can be easily opened and closed, and work efficiency can be improved.
Moreover, since it is not necessary to remove the cover member 40 from the housing | casing 11, it is not necessary to pay attention to the place of the cover member 40, and there is no possibility of loss.

また、蓋部材４０は筐体１１に対して開閉可能であるとともに、着脱自在とすることができるので、蓋部材４０が作業の邪魔になる場合等には、蓋部材４０を取り外すことができ、作業性が向上する。また、電気機器１０の組立性も向上する。   Further, since the lid member 40 can be opened and closed with respect to the housing 11 and can be detachable, the lid member 40 can be removed when the lid member 40 interferes with work, Workability is improved. Moreover, the assemblability of the electric device 10 is also improved.

また、蓋部材４０の内面には、凹部２５の底部２５２Ａまで延びる筒部４６が設けられているので、蓋部材４０を閉じた際に筒部４６が底部２５２Ａに当接して支持する。このため、凹部２５に挿通され凹部２５の底部２５２Ａに螺合する固定ボルト４５をしっかり締結しても、蓋部材４０の撓みを防止できる。   Moreover, since the cylinder part 46 extended to the bottom part 252A of the recessed part 25 is provided in the inner surface of the cover member 40, when the cover member 40 is closed, the cylinder part 46 contacts and supports the bottom part 252A. For this reason, even if the fixing bolt 45 inserted through the concave portion 25 and screwed into the bottom portion 252A of the concave portion 25 is firmly fastened, the lid member 40 can be prevented from bending.

また、筒部４６の内面には、固定ボルト４５の螺子部４５２が螺合通過する螺合部４７１が設けられているので、螺合部４７１を通過した状態では、固定ボルト４５は筒部４６から脱落しない。
また、筒部４６内面の螺合部４７１と固定ボルト４５の頭部４５１との間に圧縮ばね４８が介装されているので、固定ボルト４５は上方へ付勢されており、固定ボルト４５がガタつかない。 Further, since the screw portion 471 through which the screw portion 452 of the fixing bolt 45 is screwed and passed is provided on the inner surface of the tube portion 46, the fixing bolt 45 is in the state where the screw portion 471 is passed. Do not fall off.
Further, since the compression spring 48 is interposed between the threaded portion 471 on the inner surface of the cylinder portion 46 and the head portion 451 of the fixing bolt 45, the fixing bolt 45 is urged upward, and the fixing bolt 45 is It ’s not rattling.

さらに、蓋部材４０において回動軸Ｌ１と平行な方向に沿った端縁に設けられた係合凹部４９が、凹部２５の内面に設けられ、蓋部材４０が凹部２５を覆う状態において係止爪２４３に係合するので、蓋部材４０が閉じた状態で仮止めでき、作業性を改善できる。   Further, an engagement recess 49 provided on an edge of the lid member 40 along the direction parallel to the rotation axis L <b> 1 is provided on the inner surface of the recess 25. Since it engages with H.243, it is possible to temporarily fix the lid member 40 in a closed state, thereby improving workability.

なお、本発明の電気機器は、前述した実施形態に限定されるものでなく、適宜な変形，改良等が可能である。   In addition, the electric equipment of this invention is not limited to embodiment mentioned above, A suitable deformation | transformation, improvement, etc. are possible.

１０ 電気機器
１１ 筐体
２１ 上面（第１の面）
２２ 前面（第２の面）
２３ 稜線
２４ 側面前部（角部）
２４１ 内面
２４３ 係止爪（第２係合部）
２５ 凹部
２５２Ａ 底部
２６２ 端子部
２６５ ねじ端子
４０ 蓋部材
４０１ 内面（裏面）
４０２ 外面（表面）
４５ 固定ボルト
４５１ 頭部
４５２ 螺子部
４６ 筒部
４７１ 螺合部
４８ 圧縮ばね
４９ 係合凹部（第１係合部）
Ｌ１ 回動軸 10 Electrical equipment 11 Housing 21 Upper surface (first surface)
22 Front (second surface)
23 Ridge line 24 Front side (corner)
241 Inner surface 243 Locking claw (second engaging portion)
25 concave portion 252A bottom portion 262 terminal portion 265 screw terminal 40 lid member 401 inner surface (back surface)
402 External surface (surface)
45 Fixing bolt 451 Head 452 Screw portion 46 Tube portion 471 Screwing portion 48 Compression spring 49 Engaging recess (first engaging portion)
L1 rotation axis

Claims (5)

外部からの電源の供給を受けて動作する回路を収納した箱形状の筐体と、
前記筐体における互いに隣り合う第１の面および第２の面に亘って設けられ、かつ、前記第１の面および前記第２の面間の稜線に沿った両端部の角部が残るように設けられた凹部と、
前記凹部に設けられ、前記回路に対して電気的に接続されているとともにねじ端子が螺合可能な複数の端子部と、
前記凹部を覆う断面略Ｌ字状の蓋部材と、
前記蓋部材が、前記稜線と平行な回動軸を中心として前記筐体に対して開閉可能である電気機器。 A box-shaped housing containing a circuit that operates in response to an external power supply;
The corners of both ends along the ridge line between the first surface and the second surface are left so as to be provided across the first surface and the second surface adjacent to each other in the housing. A provided recess,
A plurality of terminal portions that are provided in the recess and are electrically connected to the circuit and capable of being screwed together;
A lid member having a substantially L-shaped cross section covering the recess;
An electric device in which the lid member is openable and closable with respect to the housing around a rotation axis parallel to the ridgeline. 請求項１に記載の電気機器において、
前記筐体に対して前記蓋部材が着脱自在である電気機器。 The electric device according to claim 1,
An electric device in which the lid member is detachable from the housing. 請求項１または請求項２に記載の電気機器において、
前記蓋部材の裏面に設けられ、前記凹部を覆う状態において前記凹部の底部まで延びる筒部と、
前記蓋部材の表面側から前記筒部に挿通され、前記凹部の前記底部に螺子部が螺合される固定ボルトとを有する電気機器。 In the electric equipment according to claim 1 or 2,
A cylindrical portion provided on the back surface of the lid member and extending to the bottom of the recess in a state of covering the recess;
An electric device having a fixing bolt that is inserted into the cylindrical portion from the surface side of the lid member and in which a screw portion is screwed to the bottom portion of the concave portion. 請求項３に記載の電気機器において、
前記筒部の内面に前記固定ボルトの前記螺子部が螺合通過する螺合部が設けられているとともに、前記螺合部と前記固定ボルトの頭部との間に圧縮ばねが介装されている電気機器。 The electrical device according to claim 3,
A screwing portion through which the screw portion of the fixing bolt is screwed and passed is provided on the inner surface of the cylindrical portion, and a compression spring is interposed between the screwing portion and the head of the fixing bolt. Electrical equipment. 請求項３または請求項４に記載の電気機器において、
前記蓋部材における前記回動軸と平行な方向に沿った端縁に設けられた第１係合部と、
前記凹部の内面に設けられ、前記蓋部材が前記凹部を覆う状態において前記第１係合部に係合する第２係合部とを備える電気機器。 In the electric device according to claim 3 or 4,
A first engagement portion provided at an edge of the lid member along a direction parallel to the rotation axis;
An electric device comprising: a second engagement portion that is provided on an inner surface of the recess and engages with the first engagement portion in a state where the lid member covers the recess.
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TWI436536B (en) 2014-05-01
TW201216580A (en) 2012-04-16
WO2012035399A1 (en) 2012-03-22
CN102652380B (en) 2014-11-05
KR20120049243A (en) 2012-05-16

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