JP4895863B2 - Electronic equipment casing - Google Patents

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JP4895863B2
JP4895863B2 JP2007050103A JP2007050103A JP4895863B2 JP 4895863 B2 JP4895863 B2 JP 4895863B2 JP 2007050103 A JP2007050103 A JP 2007050103A JP 2007050103 A JP2007050103 A JP 2007050103A JP 4895863 B2 JP4895863 B2 JP 4895863B2
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mounting seat
rearward
casing
insertion hole
mounting
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JP2008218500A5 (en
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仁志 長野
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Ｄｘアンテナ株式会社
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Description

本発明は、電子機器のケーシングに関するものである。   The present invention relates to a casing of an electronic device.

電子機器として、例えば家庭用又は共同受信用の増幅器のように、背面部に後方に突出しＵ形ボルトが取付可能である取付座を有するケーシングを備え、前記ケーシングの下部に被取付面に取り付けるための取付ブラケット部が設けられ、複数の機器ユニットが内部に収納されるものが知られている（例えば、特許文献１参照）。
特開２００７−１２８００号公報（段落００２３〜００２７および図１〜図４） As an electronic device, for example, a housing having a mounting seat that protrudes rearward and on which a U-shaped bolt can be attached, such as an amplifier for home use or community reception, and is attached to a mounting surface at a lower portion of the casing. A mounting bracket portion is provided, and a plurality of device units are accommodated therein (see, for example, Patent Document 1).
JP 2007-12800 A (paragraphs 0023 to 0027 and FIGS. 1 to 4)

そのようなケーシングの内部に収納される機器ユニットは、一定の大きさを有する一方、そのような機器ユニットが収納されるケーシングは、できるだけ薄型化したいという要求がある。   A device unit housed in such a casing has a certain size, while a casing in which such a device unit is housed is required to be as thin as possible.

発明者は、ケーシングの背面板部には、後方に突出する取付座が設けられていることから、その取付座が設けられていない部分（デッドスペース）において、背面板部を後方に突出させ、その後方突出部に厚さが厚い機器ユニットを収納するようにすれば、ケーシングの薄型化が図れることに着想し、本発明をなすに至ったものである。   Since the inventor is provided with a mounting seat that protrudes backward on the back plate portion of the casing, in the portion where the mounting seat is not provided (dead space), the back plate portion protrudes backward, The idea was that the casing could be made thinner if a thicker device unit was accommodated in the rearward projecting portion, and the present invention was achieved.

また、前述したような増幅器は、それのケーシングとほぼ同じ大きさのＰ１タイプの縦長の専用取付ボックス内に取り付けられる場合がある。その場合には、前記ボックスの大きさによる制約から、取付ブラケット部をケーシングの左右側部よりも中央寄りの背面下部に設ける必要があるので、Ｕ字形ボルトを取り付ける際に、取付ブラケット部および前述した後方突出部が邪魔になり、Ｕ字形ボルトの取付けが困難になる。   Also, the amplifier as described above may be mounted in a P1 type vertically long dedicated mounting box that is approximately the same size as its casing. In that case, because of the limitation due to the size of the box, it is necessary to provide the mounting bracket part at the lower back part closer to the center than the left and right side parts of the casing. The rearward projecting portion thus obstructed makes it difficult to attach the U-shaped bolt.

本発明は、Ｕ字形ボルトの取付性を損なうことなく、薄型化が図れる電子機器のケーシングを提供することを目的とする。   An object of this invention is to provide the casing of the electronic device which can achieve thickness reduction, without impairing the attachment property of a U-shaped volt | bolt.

請求項１の発明は、背面板部に、Ｕ字形ボルトが取付可能である取付座が後方に突出して設けられ、内部に機器ユニットが収納される電子機器のケーシングであって、前記背面板部の下部中央寄りに、１対の取付ブラケット部が後方に突出して設けられ、前記背面板部は、前記取付座が設けられる下側部分と、前記機器ユニットの大きさに対応して後方に突出しその後方突出量が前記取付座の後方突出量より小さい上側部分とにより形成され、前記取付座に挿通孔が形成され、前記挿通孔の左右開口部は、それの上側部分側に、開口面積を大きくする切り欠き部が形成されていることを特徴とする。 The invention according to claim 1 is a casing of an electronic device in which a mounting seat on which a U-shaped bolt can be mounted is provided on the back plate portion so as to protrude rearward, and the device unit is accommodated therein, and the back plate portion A pair of mounting brackets protrudes rearward near the center of the lower part, and the back plate protrudes backward corresponding to the size of the device unit and the lower part where the mounting seat is provided. A rearward projecting amount is formed by an upper portion smaller than a rear projecting amount of the mounting seat, an insertion hole is formed in the mounting seat, and left and right openings of the insertion hole have an opening area on the upper portion side thereof. A notch to be enlarged is formed .

このようにすれば、前記取付座が設けられる下側部分とは異なる上側部分が、前記機器ユニットの大きさに対応して後方に突出しその後方突出量が前記取付座の突出量より小さいので、前記取付座が設けられる部分以外の後方スペースを利用して、ケーシング全体としての最大厚さを大きくすることなく、所定形状の機器ユニットを収納することができる。また、前記取付座には、前記上側部分側から前記Ｕ字形ボルトの挿通が可能である挿通孔が形成されているので、Ｕ字形ボルトを取り付ける場合には、前記取付座の挿通孔にＵ字形ボルトをスムーズに挿通でき、Ｕ字形ボルトの取付けが容易である。つまり、Ｕ字形ボルトの取付性を損なうことがない。そして、このように機器ユニットを収納した電子機器を専用の取付ボックス内に取り付けたり、Ｕ字形ボルトを取付座に取り付けてマストに取り付けることができる。   In this way, the upper portion different from the lower portion where the mounting seat is provided protrudes rearward corresponding to the size of the device unit, and the rearward protruding amount is smaller than the protruding amount of the mounting seat. A device unit having a predetermined shape can be stored without increasing the maximum thickness of the entire casing by using a rear space other than the portion where the mounting seat is provided. In addition, since the insertion seat is formed with an insertion hole through which the U-shaped bolt can be inserted from the upper portion side, when the U-shaped bolt is to be attached, a U-shape is formed in the insertion hole of the mounting seat. Bolts can be inserted smoothly and U-shaped bolts can be easily installed. That is, the mounting property of the U-shaped bolt is not impaired. And the electronic device which accommodated the apparatus unit in this way can be attached in a dedicated attachment box, or can be attached to a mast by attaching a U-shaped bolt to an attachment seat.

また、挿通孔の左右開口部のうち上側部分側に開口面積を大きくする切り欠き部が形成されているので、前記挿通孔にＵ字形ボルトを挿通して取り付ける場合に、上側部分が後方に突出していても、Ｕ字形ボルトを簡単に挿通して、容易に取り付けることができる。 Moreover, since the notch part which enlarges opening area is formed in the upper part side among the right-and-left opening parts of an insertion hole, when inserting and attaching a U-shaped volt | bolt to the said insertion hole, an upper part protrudes back. Even so, the U-shaped bolt can be easily inserted and attached easily.

請求項２に記載のように、前記取付ブラケット部の後方突出量は、前記取付座の後方突出量に等しく、前記下側部分の後方突出量は、前記挿通孔の前後方向の幅の半分である構成とすることが望ましい。 As described in claim 2 , the rearward protrusion amount of the mounting bracket portion is equal to the rearward protrusion amount of the mounting seat, and the rearward protrusion amount of the lower portion is half of the width in the front-rear direction of the insertion hole. A certain configuration is desirable.

このようにすれば、前記取付ブラケット部の後方突出量は、前記取付座の後方突出量と等しいので、取付座より後方に突出部分がなく、薄型化に有利である。また、上側部分の後方突出量は、前記挿通孔の前後方向の幅の半分であるので、前記上側部分が後方に突出していることは、前記挿通孔へのＵ字形ボルトの挿通の邪魔にならず、その挿通を容易に行う上で有利である。 In this way, the rearward projecting amount of the mounting bracket portion is equal to the rearward projecting amount of the mounting seat, so there is no projecting portion behind the mounting seat, which is advantageous for thinning. Further, since the rearward protrusion amount of the upper portion is half of the width in the front-rear direction of the insertion hole , the fact that the upper portion protrudes rearward obstructs the insertion of the U-shaped bolt into the insertion hole. Therefore, it is advantageous for easy insertion.

請求項３に記載のように、前記上側部分には、前記電子機器が取り付けられる被取付面の係止具に係止される被係止部が設けられ、前記被係止部の後方突出量は、前記取付座の後方突出量に等しいことが望ましい。 According to a third aspect of the present invention, the upper portion is provided with a locked portion that is locked by a locking tool on a mounting surface to which the electronic device is mounted, and a rearward protruding amount of the locked portion. Is preferably equal to the rearward protrusion amount of the mounting seat.

このようにすれば、前記被係止部の後方突出量は、前記取付座の後方突出量にほぼ等しいので、前記被係止部は取付座より後方に突出することにはならず、ケーシングの薄型化に有利である。また、前記被係止部の後方突出量は前記取付ブラケット部の後方への突出量と同程度であるので、被取付面に取り付けた状態で電子機器が傾くことなく、１対の取付ブラケット部と被係止部とを介して安定した状態で取り付けられる。   In this way, since the rearward protruding amount of the locked portion is substantially equal to the rearward protruding amount of the mounting seat, the locked portion does not protrude rearward from the mounting seat. It is advantageous for thinning. Further, since the rearward projecting amount of the locked portion is substantially the same as the rearward projecting amount of the mounting bracket portion, a pair of mounting bracket portions without tilting the electronic device when attached to the mounting surface And is attached in a stable state via the locked portion.

以上のように、本発明は、前記取付座が設けられる下側部分とは異なる上側部分が、前記機器ユニットの大きさに対応して後方に突出しその後方突出量が前記取付座の突出量より小さく、前記取付座には、前記上側部分側から前記Ｕ字形ボルトの挿通が可能である挿通孔を形成しているので、前記取付座が設けられる部分以外の後方スペースを利用して、全体としての最大厚さを大きくすることなく、所定形状の機器ユニットを収納することができ、また、前記取付座の挿通孔にＵ字形ボルトをスムーズに挿通できるので、Ｕ字形ボルトの取付性を損なうことがなく、Ｕ字形ボルトの取付けが容易である。   As described above, according to the present invention, the upper portion different from the lower portion provided with the mounting seat protrudes rearward corresponding to the size of the device unit, and the rearward protruding amount is larger than the protruding amount of the mounting seat. Since the mounting seat is formed with an insertion hole through which the U-shaped bolt can be inserted from the upper portion side, using the rear space other than the portion where the mounting seat is provided, as a whole It is possible to store a device unit of a predetermined shape without increasing the maximum thickness of the housing, and since the U-shaped bolt can be smoothly inserted into the insertion hole of the mounting seat, the mounting performance of the U-shaped bolt is impaired. It is easy to install the U-shaped bolt.

以下、本発明の実施の形態を図面に沿って説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

図１は本発明に係る電子機器である共同受信用増幅器を正面側からみた斜視図、図２は同増幅器を裏面側からみた斜視図、図３は同増幅器の側面図、図４は図１のＡ−Ａ線における断面図である。   FIG. 1 is a perspective view of a common reception amplifier as an electronic apparatus according to the present invention as seen from the front side, FIG. 2 is a perspective view of the amplifier as seen from the back side, FIG. 3 is a side view of the amplifier, and FIG. It is sectional drawing in the AA of.

図１〜図４に示すように、共同受信用増幅器１（電子機器）は、ケーブルテレビ施設からの伝送されたテレビジョン信号を増幅する増幅ユニットＵ１（機器ユニット）、前記増幅ユニットＵ１に電力を供給する電源ユニットＵ２（機器ユニット）を収納する縦長のケーシング２を有する。このケーシング２は、正面(前面)を開放した箱状のケーシング本体３と、このケーシング本体３の開放部を開閉自在に覆う蓋体４とを備える。蓋体４は、上端部左右のフランジ部４ａ，４ａがケーシング本体３の両側面に支軸５により回転可能に軸着され、蓋体４の被係合孔部４ｂにケーシング本体３の係止爪部３ａが係脱可能に係合することで、蓋体４がケーシング本体３の前面を閉じた状態を保持するようになっている。なお、本例ではケーシング本体３および蓋体４はそれぞれ合成樹脂製である。   As shown in FIGS. 1 to 4, the collective reception amplifier 1 (electronic device) includes an amplification unit U1 (device unit) that amplifies a television signal transmitted from a cable television facility, and supplies power to the amplification unit U1. It has a vertically long casing 2 that houses a power supply unit U2 (device unit) to be supplied. The casing 2 includes a box-shaped casing body 3 whose front surface (front surface) is open, and a lid body 4 that covers an open portion of the casing body 3 so as to be freely opened and closed. The lid body 4 has left and right flange portions 4 a and 4 a that are pivotally attached to both side surfaces of the casing body 3 by a support shaft 5, and the casing body 3 is locked in the engaged hole portion 4 b of the lid body 4. By engaging the claw portion 3a so as to be detachable, the lid 4 holds the state where the front surface of the casing body 3 is closed. In this example, the casing body 3 and the lid body 4 are each made of synthetic resin.

図１に示すように、ケーシング本体３の底面部には、複数（４つ）の筒状の挿通孔部６が設けられており、左端の挿通孔部６内にテレビジョン信号を入力する端子１２が、右端の挿通孔部６内に増幅されたテレビジョン信号を出力する端子１１がそれぞれ設けられている。なお、１３はモニタ用の端子である。端子１１〜１３が設けられていない挿通孔部６は、具体的に図示していないが、キャップにて閉塞される。 As shown in FIG. 1, a plurality (four) of cylindrical insertion holes 6 are provided on the bottom surface of the casing body 3, and a terminal for inputting a television signal into the leftmost insertion hole 6. 12 are respectively provided with terminals 11 for outputting the amplified television signals in the insertion hole 6 at the right end. Reference numeral 13 denotes a monitor terminal. The insertion hole 6 where the terminals 11 to 13 are not provided is blocked by a cap, although not specifically illustrated.

図２に示すように、ケーシング本体３の背面板部には、傾斜段部３Ａを境として、ほぼフラットな下側部分３Ｂと、この下側部分３Ｂよりも一定量（突出量Δ１ 図３参照）だけ後方に突出するほぼフラットな上側部分３Ｃとに分けられている。前述した背面板部の形状に対応して、ケーシング本体３の内部空間も上下で段部を介して深さが異なるようになっている。   As shown in FIG. 2, the back plate portion of the casing body 3 has a substantially flat lower portion 3 </ b> B with the inclined step portion 3 </ b> A as a boundary, and a fixed amount (projection amount Δ <b> 1 see FIG. 3). ) And a substantially flat upper portion 3C protruding rearward. Corresponding to the shape of the back plate portion described above, the internal space of the casing body 3 is also different in depth up and down via the stepped portion.

下側部分３Ｂには、Ｕ字形ボルト２１（図８（ｂ）（ｃ）参照）が取付可能である取付座２２が一定量（突出量Δ２ 図３参照）だけ後方に突出して設けられ、Ｕ字形ボルト２１などを用いることで、後述するように増幅器１をマストＭ（図８（ｃ）参照）に取り付けることができるようになっている。また、ケーシング本体３の背面下部（下側部分３Ｂの下部）には、１対の取付ブラケット部２３，２３が中央部寄りに設けられている。また、上側部分３Ｃには、取付座２２と同程度の突出量だけ後方に突出する中空の被係止部２６および１対の脚部２７，２７が一体に形成されている。そして、この取付ブラケット部２３，２３や被係止部２６を利用して、この増幅器１（ケーシング２）とほぼ同じ大きさのＰ１タイプの専用取付ボックス４１内に増幅器１を取り付けることができるようにもなっている。この専用取り付けボックス４１は、図５〜図７に示すように、増幅器１（ケーシング２）とほぼ同じ大きさの箱状のボックス本体４１Ａと、このボックス本体４１Ａの開口部を開閉可能に閉塞する蓋体４１Ｂとを備え、ボックス本体４１Ａ内に、増幅器１を雄ねじ（図示せず）にて取り付けるための取付板４２が設けられている。   The lower portion 3B is provided with a mounting seat 22 to which a U-shaped bolt 21 (see FIGS. 8B and 8C) can be mounted so as to protrude rearward by a certain amount (projection amount Δ2 see FIG. 3). The amplifier 1 can be attached to the mast M (see FIG. 8C) as will be described later by using the character bolt 21 or the like. In addition, a pair of mounting bracket portions 23, 23 are provided closer to the center portion in the lower rear portion of the casing body 3 (lower portion of the lower portion 3 </ b> B). Further, the upper portion 3C is integrally formed with a hollow locked portion 26 and a pair of leg portions 27, 27 that protrude rearward by the same amount of protrusion as the mounting seat 22. By using the mounting bracket portions 23 and 23 and the locked portion 26, the amplifier 1 can be mounted in a P1-type dedicated mounting box 41 having the same size as the amplifier 1 (casing 2). It is also. As shown in FIGS. 5 to 7, the dedicated mounting box 41 closes the box-shaped box body 41 </ b> A having approximately the same size as the amplifier 1 (casing 2) and the opening of the box body 41 </ b> A so as to be opened and closed. An attachment plate 42 for attaching the amplifier 1 with a male screw (not shown) is provided in the box body 41A.

電源ユニットＵ２は増幅ユニットＵ１よりも厚さが厚く、この厚さが厚い電源ユニットＵ２の大きさに対応して、上側部分３Ｃが下側部分３Ｂよりも後方に一定量突出している。また、上側部分３Ｃの、下側部分３Ｂからの突出量Δ１は、取付座２２の突出量Δ２より小さくなっている。   The power supply unit U2 is thicker than the amplification unit U1, and the upper portion 3C protrudes from the lower portion 3B by a certain amount corresponding to the thickness of the thick power supply unit U2. Further, the protrusion amount Δ1 of the upper portion 3C from the lower portion 3B is smaller than the protrusion amount Δ2 of the mounting seat 22.

つまり、上側部分３Ｃ側が、下側部分３Ｂ側よりも、傾斜段部３Ａの高さ（突出量Δ１に対応する）に相当するだけ深さが深くなっている一方、蓋体４には、ケーシング本体３のように深さを変えるための傾斜段部は設けられていない。そして、この上側部分３Ｃに対応するケーシング内部には、厚さが厚い電源ユニットＵ２が収納され、下側部分３Ｂに対応するケーシング内部には電源ユニットＵ２よりは厚さが薄い増幅ユニットＵ１などが収納されるようになっている。つまり、ケーシング２の厚さをできるだけ薄くしたいという要求から、背面板部のうち取付座２２を設けていない上側部分３Ｃは、取付座２２の突出量に相当する程度まで後方に突出させてもケーシング２全体としての厚さは厚くする必要がないので、下側部分３Ｂよりも深さが深い上側部分３Ｃを、ケーシング２全体としての厚さを厚くすることなく、設けることができる。   That is, the upper portion 3C side is deeper than the lower portion 3B side by a depth corresponding to the height of the inclined step portion 3A (corresponding to the protrusion amount Δ1), while the lid 4 has a casing. Unlike the main body 3, an inclined step for changing the depth is not provided. A thick power supply unit U2 is accommodated in the casing corresponding to the upper portion 3C, and an amplification unit U1 thinner than the power supply unit U2 is accommodated in the casing corresponding to the lower portion 3B. It is designed to be stored. That is, in order to reduce the thickness of the casing 2 as much as possible, the upper portion 3 </ b> C of the back plate portion that is not provided with the mounting seat 22 protrudes rearward to the extent corresponding to the protruding amount of the mounting seat 22. Since it is not necessary to increase the thickness as a whole, the upper portion 3C having a depth deeper than that of the lower portion 3B can be provided without increasing the thickness of the casing 2 as a whole.

下側部分３Ｂつまり傾斜段部３Ａ近傍のほぼ中央部位に、マストＭに取り付けるのに用いる平面視ほぼ矩形状の取付座２２が一定量（突出量Δ２）だけ後方へ突出するように、一体に形成されている。   The lower portion 3B, that is, the substantially central portion in the vicinity of the inclined step portion 3A, is integrally formed so that the substantially rectangular mounting seat 22 used for mounting to the mast M protrudes backward by a certain amount (protrusion amount Δ2). Is formed.

取付座２２は幅方向の中間位置に、上下方向に延びる係合凹部２２ａが設けられている。また、取付座２２の高さ方向のほぼ中間位置には、挿通孔２４が幅方向に貫通して設けられている。この取付座２２の挿通孔２４に対して、Ｕ字形ボルト２１の基部２１ａを回転可能に挿通し、マスト押え具３１および一対の蝶ねじ３２，３２を適用して、Ｕ字形ボルト２１を起立させた状態で、取付座２２の係合凹部２２ａとマスト押え具３１とでマストＭを挟持することで、増幅器１がマストＭに取り付けられるようになっている（図８参照）。 The mounting seat 22 is provided with an engaging recess 22a extending in the vertical direction at an intermediate position in the width direction. Further, an insertion hole 24 is provided at a substantially intermediate position in the height direction of the mounting seat 22 so as to penetrate in the width direction. The base 21a of the U-shaped bolt 21 is rotatably inserted into the insertion hole 24 of the mounting seat 22, and the U-shaped bolt 21 is raised by applying the mast presser 31 and the pair of thumb screws 32, 32. In this state, the amplifier 1 is attached to the mast M by sandwiching the mast M between the engagement recess 22a of the mounting seat 22 and the mast presser 31 (see FIG. 8).

この取付座２２の、後方への突出量Δ２とほぼ等しい量だけ、前述した１対の取付ブラケット部２３，２３も後方に突出するように間隔を隔てて設けられている。   The pair of mounting bracket portions 23 and 23 described above are provided at an interval so as to protrude rearward by an amount substantially equal to the rearward protrusion amount Δ2 of the mounting seat 22.

ところで、このように１対の取付ブラケット部２３，２３が、下側部分３Ｂ（ケーシング３）の下部中央付近に設けられているので、取付ブラケット部２３，２３が邪魔となって、挿通孔２４へのＵ字形ボルト２１の挿通は下側部分３Ｂ側からはできない。そのため、傾斜段部３Ａを介して下側部分３Ｂよりも後方に突出している上側部分３Ｃ側から、取付座２２の挿通孔２４へのＵ字形ボルト２１の挿通を行う必要がある。この挿通孔２４へのＵ字形ボルト２１の基部２１ａの挿通が容易となるように、挿通孔２４を形成する取付座２２の上側部分に上側部分３Ｃ側の一部を切除する切り欠き部２２ｂが形成されている。この切り欠き部２２ｂの形成に加えて、切り欠き部２２ｂの上側に位置する部分を、外側になるほど挿通孔２４の開口面積が大きくなるように斜めに切除された傾斜面２２ｅ（図３および図９参照）とすることでも、Ｕ字形ボルト２１の挿通がスムーズになるように開口面積（挿通断面積）を大きくするように配慮している。よって、マストに取り付ける場合に、取付座２２の挿通孔２４にＵ字形ボルト２１をスムーズに挿通することができるので、Ｕ字形ボルトの取付性を損なうことがない。よってＵ字形ボルトの取付けが容易である。   By the way, since the pair of mounting bracket portions 23 and 23 are provided in the vicinity of the lower center of the lower portion 3B (casing 3) as described above, the mounting bracket portions 23 and 23 become an obstacle and the insertion hole 24 is provided. The U-shaped bolt 21 cannot be inserted through the lower portion 3B. Therefore, it is necessary to insert the U-shaped bolt 21 into the insertion hole 24 of the mounting seat 22 from the side of the upper portion 3C protruding rearward from the lower portion 3B via the inclined step portion 3A. In order to facilitate the insertion of the base 21a of the U-shaped bolt 21 into the insertion hole 24, a notch 22b for excising a part on the upper portion 3C side is formed on the upper portion of the mounting seat 22 forming the insertion hole 24. Is formed. In addition to the formation of the cutout portion 22b, an inclined surface 22e (FIGS. 3 and FIG. 3) obtained by obliquely cutting a portion located above the cutout portion 22b so that the opening area of the insertion hole 24 increases toward the outside. 9) is also considered to increase the opening area (insertion cross-sectional area) so that the U-shaped bolt 21 can be inserted smoothly. Therefore, when attaching to the mast, the U-shaped bolt 21 can be smoothly inserted into the insertion hole 24 of the mounting seat 22, so that the attachment of the U-shaped bolt is not impaired. Therefore, it is easy to attach the U-shaped bolt.

また、取付座２２において、挿通孔２４の両側開口の上側と下側には取付座２２の両側面から略三角形状の突起部２２ｃ，２２ｄがそれぞれ外側方へ突設されている。下側の突起部２２ｄは上側の突起部２２ｃに比べて外方への突出寸法が大きく、Ｕ字形ボルト２１はケーシング本体３の背面板部に対し略直角に起立した状態から、下方への回転が下側の突起部２２ｄに当たって阻止されるが、上方への回転は上側の突起部２２ｃに接触し、わずかに両側ねじ部２１ｂが拡がる程度で許容される。なお、Ｕ字形ボルト２１の両側先端部分には外周面に雄ねじが刻設されてねじ部２１ｂに形成されている。これらの各ねじ部２１ｂには、蝶ねじが回転可能に螺合される。   Further, in the mounting seat 22, substantially triangular projections 22 c and 22 d protrude outwardly from both side surfaces of the mounting seat 22 on the upper side and the lower side of the opening on both sides of the insertion hole 24. The lower projecting portion 22d has a larger outward projecting dimension than the upper projecting portion 22c, and the U-shaped bolt 21 is rotated downward from a state in which the U-shaped bolt 21 stands substantially perpendicular to the rear plate portion of the casing body 3. Is prevented by hitting the lower projection 22d, but upward rotation is allowed only by contacting the upper projection 22c and slightly expanding the screw portions 21b on both sides. In addition, a male screw is engraved on the outer peripheral surface at both end portions of the U-shaped bolt 21 to form a screw portion 21b. A wing screw is rotatably engaged with each of the screw portions 21b.

マスト押え具３１は、板状面の上下縁部から相対向辺が前方に張出し断面コの字形に形成されている。板状面の両側にはＵ字形ボルト２１の両側ねじ部２１ｂ，２１ｂに挿通可能な長孔３１ａ及び切り欠き孔３１ｂが設けられている。また、上下の相対向辺の幅方向中央部は円弧状または山形状で内側に湾曲する凹状部に形成され、凹状部の内側（内面）が歯型の係合部３１ｃに形成されている。   The mast presser 31 is formed in a U-shaped cross section with opposing sides projecting forward from the upper and lower edges of the plate-like surface. On both sides of the plate-like surface, there are provided a long hole 31a and a notch hole 31b that can be inserted into the both side screw portions 21b, 21b of the U-shaped bolt 21. Moreover, the center part in the width direction of the upper and lower opposing sides is formed in a concave part that is curved inward in an arc shape or a mountain shape, and the inner side (inner surface) of the concave part is formed in a tooth-shaped engagement part 31c.

続いて、前記増幅器を取り付ける場合を、マストＭに取り付ける場合と、Ｐ１タイプの専用取付ボックス４１内に取り付ける場合とに分けて説明する。なお、Ｕ字形ボルト２１は、専用取付ボックス４１内に取り付ける場合には用いられず、マストＭに取り付ける場合にのみ取付座２２に取り付けられる。
（Ｐ１タイプの専用取付ボックスに取り付ける場合）
専用取付ボックス４１内の取付板４２の係止具（図示せず）に上側部分３Ｃの被係止部２６を係止具に係止させ、その状態で取付ブラケット部２３，２３の取付孔２３ａ，２３ａに、ねじ部材（図示せず）を適用して、取付板４２にねじ止めする。これにより、取付ブラケット部２３，２３および被係止部２６の３箇所で支持された状態で取り付けられることになる。
（マストに取り付ける場合）
まずＵ字形ボルト２１を、上側部分３Ｃ側から取付座２２の挿通孔２４に挿入することで、挿通孔２４に対してＵ字形ボルト２１の基部２１ａが回転可能に支持されるように取り付ける。この場合、挿通孔２４を形成する取付座２２の上側部分に切り欠き部２２ｂおよび傾斜面２２ｅが形成され、開口面積（挿通断面積）が大きくされているので、取付座２２の挿通孔２４にＵ字形ボルト２１をスムーズに挿通することができ、取付座２２（挿通孔２４）へのＵ字形ボルト２１の取付けが容易である。 Subsequently, the case where the amplifier is attached will be described separately for the case where it is attached to the mast M and the case where it is attached within the P1 type dedicated attachment box 41. Note that the U-shaped bolt 21 is not used when mounted in the dedicated mounting box 41, and is mounted on the mounting seat 22 only when mounted on the mast M.
(When mounting to P1 type dedicated mounting box)
The locked portion 26 of the upper portion 3C is locked to the locking tool by a locking tool (not shown) of the mounting plate 42 in the dedicated mounting box 41, and the mounting holes 23a of the mounting bracket portions 23, 23 in this state. 23a, a screw member (not shown) is applied and screwed to the mounting plate 42. Thereby, it attaches in the state supported by three places of the attachment bracket parts 23 and 23 and the to-be-latched part 26. FIG.
(When attaching to mast)
First, the U-shaped bolt 21 is inserted into the insertion hole 24 of the mounting seat 22 from the upper portion 3 </ b> C side so that the base 21 a of the U-shaped bolt 21 is rotatably supported with respect to the insertion hole 24. In this case, the notch 22b and the inclined surface 22e are formed in the upper part of the mounting seat 22 forming the insertion hole 24, and the opening area (insertion cross-sectional area) is increased. The U-shaped bolt 21 can be smoothly inserted, and the U-shaped bolt 21 can be easily attached to the mounting seat 22 (insertion hole 24).

それから、図８（ａ）（ｂ）に示すように、Ｕ字形ボルト２１を、基部２１ａを回転軸として回転させて、ケーシング本体３の背面板部に対し略直角に起立させ、マストに取付座２２の係合凹部２２ａを当接する。この起立状態では、Ｕ字形ボルト２１の基部２１ａ両側は上下の突起部２２ｃ，２２ｄに挟まれるので、起立状態に安定して保持され、Ｕ字形ボルト２１を、基部２１ａを回転軸として回転し難くなっている。   Then, as shown in FIGS. 8 (a) and 8 (b), the U-shaped bolt 21 is rotated with the base portion 21a as the rotation axis, and is erected substantially at right angles to the back plate portion of the casing body 3, and is attached to the mast. The 22 engaging recesses 22a are brought into contact with each other. In this standing state, both sides of the base 21a of the U-shaped bolt 21 are sandwiched between the upper and lower protrusions 22c and 22d, so that the U-shaped bolt 21 is not easily rotated with the base 21a as a rotation axis. It has become.

それから、図８（ｃ）に示すように、押え具３１の両側の孔３１ａ，３１ｂを両側ねじ部２１ｂ，２１ｂに挿通し、両側ねじ部２１ｂ，２１ｂ間に跨った状態に取り付け、両側の蝶ねじ３２，３２を締め付ける。マスト押え具３１は両側ねじ部２１ｂ、２１ｂに沿ってマストＭ側へ押し付けられ、歯状の係合部３１ｃがマストＭの反対面に押圧される。この状態で、各蝶ねじ３２，３２を締め付ければ、マストＭが取付座２２の係合凹部２２ａとマスト押え具３１の係合部３１ｃとで挟持され、増幅器１はマストＭに対し堅固に固定される。   Then, as shown in FIG. 8 (c), the holes 31a and 31b on both sides of the presser 31 are inserted into the screw parts 21b and 21b on both sides and attached so as to straddle the screw parts 21b and 21b. Tighten the screws 32, 32. The mast presser 31 is pressed against the mast M side along the screw portions 21b and 21b on both sides, and the tooth-like engagement portion 31c is pressed against the opposite surface of the mast M. When the thumbscrews 32 are tightened in this state, the mast M is sandwiched between the engaging recess 22a of the mounting seat 22 and the engaging portion 31c of the mast presser 31, and the amplifier 1 is firmly attached to the mast M. Fixed.

本発明に係る電子機器である共同受信用増幅器を正面側からみた斜視図である。It is the perspective view which looked at the common reception amplifier which is an electronic device concerning the present invention from the front side. 同増幅器を裏面側からみた斜視図である。It is the perspective view which looked at the same amplifier from the back side. 同増幅器の側面図である。It is a side view of the same amplifier. 図１のＡ−Ａ線における断面図である。It is sectional drawing in the AA of FIG. 蓋体を開放した状態の専用取付ボックスを示す斜視図である。It is a perspective view which shows the exclusive attachment box of the state which open | released the cover body. 前記専用取付ボックスに前記増幅器を収納した状態を示す斜視図である。It is a perspective view which shows the state which accommodated the said amplifier in the said exclusive attachment box. 図６のＢ部詳細図である。FIG. 7 is a detailed view of part B in FIG. 6. （ａ）〜（ｃ）はマストへの取り付け方法の説明図である。(A)-(c) is explanatory drawing of the attachment method to a mast. 取付座にＵ字形ボルトを取り付けた状態を側方から示す斜視図である。It is a perspective view which shows the state which attached the U-shaped volt | bolt to the attachment seat from the side.

符号の説明Explanation of symbols

１ 共同受信用増幅器
２ ケーシング
３ ケーシング本体
３Ｂ 下側部分
３Ｃ 上側部分
２１ Ｕ字形ボルト
２２ 取付座
２３ 取付ブラケット部
２４ 挿通孔
２２ｂ 切り欠き部
４１ 専用取付ボックス
Ｕ２ 電源ユニット DESCRIPTION OF SYMBOLS 1 Common reception amplifier 2 Casing 3 Casing main body 3B Lower part 3C Upper part 21 U-shaped volt | bolt 22 Mounting seat 23 Mounting bracket part 24 Insertion hole 22b Notch part 41 Dedicated mounting box U2 Power supply unit

Claims (3)

背面板部に、Ｕ字形ボルトが取付可能である取付座が後方に突出して設けられ、内部に機器ユニットが収納される電子機器のケーシングであって、
前記背面板部の下部中央寄りに、１対の取付ブラケット部が後方に突出して設けられ、
前記背面板部は、前記取付座が設けられる下側部分と、前記機器ユニットの大きさに対応して後方に突出しその後方突出量が前記取付座の後方突出量より小さい上側部分とにより形成され、
前記取付座に挿通孔が形成され、前記挿通孔の左右開口部は、それの上側部分側に、開口面積を大きくする切り欠き部が形成されていることを特徴とする電子機器のケーシング。 A mounting plate on which a U-shaped bolt can be mounted is provided on the back plate portion so as to protrude rearward, and is a casing of an electronic device in which a device unit is housed.
Near the bottom center of the back plate part, a pair of mounting bracket parts are provided protruding rearward,
The back plate portion is formed by a lower portion provided with the mounting seat and an upper portion projecting rearward corresponding to the size of the device unit and having a rearward projecting amount smaller than the rear projecting amount of the mounting seat. ,
A casing for an electronic device, wherein an insertion hole is formed in the mounting seat, and a left and right opening of the insertion hole is formed with a notch for increasing an opening area on an upper portion side thereof . 前記取付ブラケット部の後方突出量は、前記取付座の後方突出量に等しく、前記上側部分の後方突出量は、前記挿通孔の前後方向の幅の半分であることを特徴とする請求項１記載の電子機器のケーシング。 The rear protrusion amount of the mounting bracket portion is equal to the rear protrusion amount of the mounting seat, and the rear protrusion amount of the upper portion is half of the width in the front-rear direction of the insertion hole. Electronics casings. 前記上側部分には、前記電子機器が取り付けられる被取付面の係止具に係止される被係止部が設けられ、
前記被係止部の後方突出量は、前記取付座の後方突出量に等しいことを特徴とする請求項１または２に記載の電子機器のケーシング。 The upper portion is provided with a locked portion that is locked to a locking tool of a mounted surface to which the electronic device is mounted,
The rearward projection amount of the locking portion, the casing of the electronic device according to claim 1 or 2, characterized in that equal to rearward projection amount of the mounting seat.
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