JP4912129B2 - Louver for electrical equipment cabinet - Google Patents

Louver for electrical equipment cabinet Download PDF

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JP4912129B2
JP4912129B2 JP2006328075A JP2006328075A JP4912129B2 JP 4912129 B2 JP4912129 B2 JP 4912129B2 JP 2006328075 A JP2006328075 A JP 2006328075A JP 2006328075 A JP2006328075 A JP 2006328075A JP 4912129 B2 JP4912129 B2 JP 4912129B2
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louver
attached
filter case
mounting flange
electrical equipment
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JP2008141910A (en
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宏 蒲
正巳 井口
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Nitto Kogyo Corp
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Nitto Kogyo Corp
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Description

本発明は、屋外に設置した配電盤、制御盤等の電気機器キャビネット内に換気口から雨水が浸入するのを防止して換気を行う電気機器キャビネット用ルーバーに関するものである。   The present invention relates to a louver for an electrical equipment cabinet that ventilates by preventing rainwater from entering into electrical equipment cabinets such as switchboards and control panels installed outdoors.

従来の防水構造を採用した電気機器キャビネット用ルーバーとしては、特開２０００−２９５７２１公報（特許文献１）に示すように、外側のガラリの背面に逆向きの内側ガラリを設けて、これらガラリにより雨水を下方に流下させてルーバー下部に設けた水抜き孔から外部に排出して、また、流下せずフィルタに到達する雨水はフィルタで捕捉したうえフィルタ内を流下させたうえ下部のシンクを経て前記水抜き孔から排出させてキャビネット内に雨水が浸入するのを防止するものであった。   As a louver for an electrical equipment cabinet adopting a conventional waterproof structure, as shown in Japanese Patent Laid-Open No. 2000-295721 (Patent Document 1), a reverse inner louver is provided on the back of an outer louver, and rainwater is generated by these louvers. The rainwater that reaches the filter without flowing down is trapped by the filter and then flows down through the filter and passes through the sink at the lower part. It was discharged from the drain hole to prevent rainwater from entering the cabinet.

ところが、この従来のものは内側ガラリを外側のガラリの背面に溶接して製作するのを普通とするため、ルーバーの表面に溶接跡が残る。このため外観品質を良くするため塗装を施しており、ステンレスのように地肌が綺麗で耐食性のある材質であっても塗装を行う必要があり、製作コストがその分高くなるという問題があった。   However, since the conventional one is usually manufactured by welding the inner louver to the back surface of the outer louver, a welding mark remains on the surface of the louver. For this reason, the coating is applied to improve the appearance quality, and it is necessary to perform the coating even if the surface is clean and corrosion-resistant, such as stainless steel, resulting in a problem that the manufacturing cost is increased accordingly.

特開２０００−２９５７２１公報（図１参照）JP 2000-295721 A (see FIG. 1)

本発明は前記のような問題点を解決して、内側ガラリを外側ガラリに溶接することなく設置でき、また、外側ガラリに取付用のボルト・ナットを溶接することなくフィルタ収納ケースに取り付けができ、外側ガラリの表面に溶接跡がなくて塗装を不要とする防水性に優れた電気機器キャビネット用ルーバーを提供することを目的として完成されたものである。   The present invention solves the above-described problems, and can be installed without welding the inner louver to the outer louver, and can be attached to the filter storage case without welding bolts and nuts for attachment to the outer louver. The present invention has been completed for the purpose of providing a louver for an electrical equipment cabinet that has no weld marks on the surface of the outer louver and is excellent in waterproofness that does not require painting.

本発明の電気機器キャビネット用ルーバーは、キャビネットの換気孔に前面から嵌合して取り付けるフィルタケースの前面開口周縁に連設した取付用フランジ部の枠部に内側ガラリを取り付けたうえ、前記内側ガラリの前面を覆う外側ガラリを該外側ガラリの周縁後方に連設した周枠部を前記取付用フランジ部の周縁を囲装したうえ該周枠部の両側板部の先端に内向きに設けた係止爪を前記取付用フランジ部の枠部の側枠部に設けた切欠部の基端下方に設けた係止溝部に係止させて取り付けたことを特徴とするものを基本の発明とする。また、内側ガラリを、フィルタケースの側枠部に設けた低段部に該内側ガラリの両側縁部に張設した係止片部を嵌合させて取り付けてもよい。 The louver for an electrical equipment cabinet of the present invention has an inner louver attached to a frame portion of a mounting flange portion that is connected to the periphery of the front opening of a filter case that is fitted and fitted into the ventilation hole of the cabinet from the front. A peripheral frame portion that is formed by continuously connecting an outer louver covering the front surface of the outer louver and surrounding the rim of the mounting flange portion and inwardly provided at the front ends of both side plate portions of the peripheral rim portion. A basic invention is characterized in that the pawl is fixedly attached to an engaging groove provided below the base end of the notch provided in the side frame of the attaching flange . Further, the inner louver may be attached by fitting a locking piece portion stretched on both side edges of the inner louver to a lower step portion provided on the side frame portion of the filter case.

前記のような本発明は、外側ガラリは取付用のボルト・ナットを溶接することなくフィルタケースに取り付けができるので、外側ガラリの表面に溶接跡がないので地肌が綺麗で耐食性のある材質のものにあっては塗装を不要として安価に提供できるものである。そして、本発明に係るものはフィルタケースと外側ガラリの間に内側ガラリが位置しているので、外側ガラリを通過した雨水は先ずこの内側ガラリにより下方に流下されて外側ガラリの周枠部の下板部に設けた排出口から外部に排出して、流下せずフィルタケースに到達する雨水は該フィルタケースに収納したフィルタで捕捉したうえフィルタ内を流下させたうえフィルタケースの下面を経て前記排出口から排出させてキャビネット内に雨水が浸入す
るのを防止するものである。 In the present invention as described above, since the outer louver can be attached to the filter case without welding the bolts and nuts for attachment, there is no welding mark on the surface of the outer louver, so the surface is clean and has a corrosion-resistant material. In this case, it is possible to provide coating at low cost without requiring painting. In the present invention, since the inner louver is located between the filter case and the outer louver, the rain water that has passed through the outer louver is first caused to flow downward by the inner louver and below the peripheral frame portion of the outer louver. Rainwater that reaches the filter case without flowing down through the discharge port provided in the plate part is captured by a filter housed in the filter case, flows down in the filter, passes through the lower surface of the filter case, and then drains. It is discharged from the outlet to prevent rainwater from entering the cabinet.

また、本発明に係るものは、内側ガラリを該内側ガラリの両側縁部に張設した係止片部をフィルタケースの側枠部に設けた低段部に嵌合したうえ、外側ガラリにより覆って取り付けたものであるから、内側ガラリと外側ガラリの取付作業が容易なものである。   Further, according to the present invention, the engaging piece portion in which the inner louver is stretched on both side edges of the inner louver is fitted to the low step portion provided in the side frame portion of the filter case, and is covered with the outer louver. Therefore, it is easy to attach the inner louver and the outer louver.

次に、本発明の好ましい実施の形態を図を参照して説明する。
１はキャビネット１００の換気孔１０１に前面から嵌合して取り付けるフィルタケースであり、このフィルタケース１は短枠筒体状のケース本体１１の前縁に取付フランジ部１２を張設して該取付フランジ部１２の縁前方に枠部１３を張設している。そして、両側の側枠部１３ａ、１３ａには後記する内側ガラリ２の両端に張設した係止片部２３、２３を嵌合する低段部１４を設けるとともに内側ガラリ２に設けた切欠部２１ａと上下位置が合致する切欠部１５を設けて、さらに、該切欠部１５の基端下方に後記する外側ガラリ３に設けた係止爪３４ａを係止する係止溝部１５ａを設けてある。 Next, a preferred embodiment of the present invention will be described with reference to the drawings.
Reference numeral 1 denotes a filter case that is fitted and attached to the ventilation hole 101 of the cabinet 100 from the front. The filter case 1 is attached by attaching a mounting flange portion 12 to the front edge of a case body 11 having a short frame cylindrical shape. A frame portion 13 is stretched in front of the edge of the flange portion 12. Further, the side frame portions 13a, 13a on both sides are provided with a low step portion 14 for fitting engagement pieces 23, 23 stretched at both ends of the inner gallery 2 to be described later, and a notch portion 21a provided in the inner gallery 2. A notch portion 15 whose upper and lower positions coincide with each other is provided, and further, a locking groove portion 15a for locking a locking claw 34a provided on the outer gallery 3 described later is provided below the base end of the notch portion 15.

２は内側ガラリであり、該内側ガラリ２は板状のガラリ本体２１に後向きの傾斜板よりなるガラリ板２２を多数配設して各ガラリ板２２により横長の換気口２２ａを形成している。そして、この内側ガラリ２はその両側端すなわちガラリ本体２１の両側端を前記フィルタケース１の側枠部１３ａ、１３ａに当接したうえ両側端に張設した係止片部２３、２３を前記フィルタケース１の側枠部１３ａ、１３ａに設けた低段部１４、１４に嵌合させて上下左右の位置がずれないようにしたうえ内側ガラリ２の両側端すなわちガラリ本体２１の両側端に設けた切欠部２１ａ、２１ａを前記側枠部１３ａ、１３ａに設けた切欠部１５、１５に合致させてフィルタケース１に取り付けられている。   Reference numeral 2 denotes an inner louver. The inner louver 2 has a plate-like louver main body 21 provided with a large number of louver plates 22 made of rearward inclined plates, and each louver plate 22 forms a horizontally elongated ventilation port 22a. The inner louver 2 has both end portions, that is, both end portions of the louver main body 21 in contact with the side frame portions 13a and 13a of the filter case 1, and locking pieces 23 and 23 stretched on both side ends. The upper and lower left and right positions of the case 1 are fitted to the lower step portions 14 and 14 provided on the side frame portions 13 a and 13 a so that the upper and lower left and right positions are not shifted, and are provided on both side ends of the inner louver 2, that is, on both side ends of the louver main body 21. The notches 21a and 21a are attached to the filter case 1 so as to match the notches 15 and 15 provided in the side frame portions 13a and 13a.

また、該内側ガラリ２はその上下端すなわちガラリ本体２１の上下端の前方に後記する外側ガラリ３の上下端内面と当接して該内側ガラリ２と外側ガラリ３との間に間隙を形成するためのスペース片部２４、２４を折曲形成している。   Further, the inner louver 2 abuts the upper and lower inner surfaces of the outer louver 3, which will be described later, in front of the upper and lower ends of the louver main body 21 to form a gap between the inner louver 2 and the outer louver 3. The space pieces 24, 24 are bent.

３は前記内側ガラリ２の前面を覆う外側ガラリであり、該外側ガラリ３は板状のガラリ本体３１に先端が外向きで斜め下向きのガラリ板３２を多数配設して各ガラリ板３２により横長の換気口３２ａを形成し、また、周縁後方すなわちガラリ本体３１の周縁後方に周枠部３３が連設している。そして、該外側ガラリ３は周枠部３３を前記フィルタケース１の取付用フランジ部１２の周縁を囲装したうえ該周枠部３３の両側板部３４の先端に内向きに設けた係止爪３４ａを前記内側ガラリ２に設けた切欠部２１ａと取付フランジ部１２の側枠部１３ａに設けた切欠部１５を前方から挿通したうえ、外側ガラリ３を下方にスライドさせて係止爪３４ａを側枠部１３ａに設けた切欠部１５の基端下方に設けた係止溝部１５ａに係止させて取り付けるものである。   3 is an outer louver covering the front surface of the inner louver 2, and the outer louver 3 has a plate-like louver main body 31 provided with a large number of louvered plates 32 whose ends are outward and obliquely downward. The peripheral frame 33 is continuously provided at the rear of the periphery, that is, at the rear of the periphery of the main body 31. The outer louver 3 has a locking claw that surrounds the peripheral frame portion 33 around the periphery of the mounting flange portion 12 of the filter case 1 and is provided inwardly at the tips of both side plate portions 34 of the peripheral frame portion 33. 34a is inserted through the notch portion 21a provided in the inner louver 2 and the notch portion 15 provided in the side frame portion 13a of the mounting flange portion 12 from the front, and the outer louver 3 is slid downward to bring the locking claw 34a to the side. It is attached by being engaged with an engaging groove 15a provided below the base end of the notch 15 provided in the frame 13a.

なお、外側ガラリ３の下方にねじ挿通孔３５が設けられており、止めねじ４をねじ挿通孔３５から挿通したうえ内側ガラリ２に設けたねじ孔５に螺合させて、外側ガラリ３が離脱することが無いものとしている。   A screw insertion hole 35 is provided below the outer louver 3, and the set screw 4 is inserted through the screw insertion hole 35 and then screwed into the screw hole 5 provided in the inner louver 2, so that the outer louver 3 is detached. There is nothing to do.

このように構成された本発明に係る電気機器キャビネット用ルーバーは、内側ガラリ２と外側ガラリ３がフィルタケース１に取付用のボルト・ナットを使用することなく取り付けたものであるのでボルト・ナットを溶接する必要がないので外側ガラリ３の表面に溶接跡がないので地肌が綺麗で耐食性のある材質のものにあっては塗装を不要として安価に提供できるものである。   In the louver for an electrical equipment cabinet according to the present invention configured as described above, the inner louver 2 and the outer louver 3 are attached to the filter case 1 without using bolts and nuts for mounting. Since there is no welding mark on the surface of the outer louver 3 because it is not necessary to weld, a material with a clean background and corrosion resistance can be provided at low cost without requiring painting.

そして、本発明に係るものはフィルタケース１と外側ガラリ３の間に内側ガラリ２が位
置しているので、外側ガラリ３を通過した雨水は先ずこの内側ガラリ２により下方に流下されて外側ガラリ３の周枠部３３の下板部３３ａに設けた排出口３３ｂから外部に排出して、流下せずフィルタケース１に到達する雨水は該フィルタケース１に収納したフィルタ１ａにより捕捉したうえフィルタ１ａ内を流下させたうえフィルタケース１の下面を経て前記排出口３３ｂから排出させてキャビネット１００内に雨水が浸入するのを防止するものである。なお、内側ガラリ２の上下端すなわちガラリ本体２１の上下端の前方にスペース片部２４、２４を折曲形成して外側ガラリ３との間に間隙（Ｓ）を形成するものとしておけば、図２に示すように内側ガラリ２と外側ガラリ３とのガラリ板２２、３２の上下位置をずらして換気口２２ａ、３２ａの上下位置が異なったものとして雨水の浸入ができない構成としても通風性能を高めた換気が行えるものとなる。 In the present invention, since the inner gallery 2 is located between the filter case 1 and the outer gallery 3, the rain water that has passed through the outer gallery 3 is first caused to flow downward by the inner gallery 2 and then to the outer gallery 3. Rainwater that reaches the filter case 1 without flowing down from the discharge port 33b provided in the lower plate portion 33a of the peripheral frame portion 33 is captured by the filter 1a accommodated in the filter case 1 and is then stored in the filter 1a. Is allowed to flow down and is discharged from the discharge port 33b through the lower surface of the filter case 1 to prevent rainwater from entering the cabinet 100. If the space pieces 24, 24 are bent in front of the upper and lower ends of the inner louver 2, that is, the upper and lower ends of the louver main body 21, a gap (S) is formed between the inner louver 3 and the outer louver 3. As shown in Fig. 2, even if the vertical position of the vent holes 22a, 32a is different by shifting the vertical position of the louver plates 22, 32 between the inner louver 2 and the outer louver 3, the ventilation performance is improved. Ventilation can be performed.

また、本発明に係るものは、内側ガラリ２を該内側ガラリ２の両側端を前記フィルタケース１の側枠部１３ａ、１３ａに当接したうえ両側端に張設した係止片部２３、２３をフィルタケース１の側枠部１３ａ、１３ａに設けた低段部１４、１４に嵌合させて上下左右の位置がずれることなくしたうえ両側端に設けた切欠部２１ａ、２１ａを側枠部１３ａ、１３ａに設けた切欠部１５、１５に合致させてフィルタケース１に組み込んでいる。   Further, according to the present invention, the inner louver 2 has the locking pieces 23, 23, which are stretched on both side ends while the both ends of the inner louver 2 are in contact with the side frame portions 13 a, 13 a of the filter case 1. Is fitted to the lower step portions 14 and 14 provided in the side frame portions 13a and 13a of the filter case 1 so that the vertical and horizontal positions are not shifted, and the notches 21a and 21a provided on both side ends are provided on the side frame portion 13a. , 13a are incorporated in the filter case 1 so as to match the notches 15 and 15 provided in 13a.

そして、該内側ガラリ２の前面を覆う外側ガラリ３は、周枠部３３を前記フィルタケース１の取付用フランジ部１２の周縁を囲装したうえ該周枠部３３の両側板部３４の先端に内向きに設けた係止爪３４ａを前記内側ガラリ２に設けた切欠部２１ａと取付フランジ部１２の側枠部１３ａに設けた切欠部１５を前方から挿通したうえ、外側ガラリ３を下方にスライドさせて係止爪３４ａを側枠部１３に設けた切欠部１５の基端下方に設けた係止溝部１５ａに係止させて取り付けたものであるから、フィルタケース１への内側ガラリ２と外側ガラリ３の組み付け作業は容易なものであり、また、フィルタ１ａの清掃・交換作業の際に内側ガラリ２と外側ガラリ３の取り外しも容易なものである。   The outer louver 3 that covers the front surface of the inner louver 2 surrounds the peripheral frame portion 33 around the periphery of the mounting flange portion 12 of the filter case 1, and is attached to the distal ends of both side plate portions 34 of the peripheral frame portion 33. A locking claw 34a provided inward is inserted through the notch 21a provided in the inner louver 2 and the notch 15 provided in the side frame 13a of the mounting flange 12 from the front, and the outer louver 3 is slid downward. Since the locking claw 34a is locked and attached to the locking groove 15a provided below the base end of the notch 15 provided in the side frame 13, the inner louver 2 and the outer side of the filter case 1 are attached. The assembling work of the louver 3 is easy, and the inner louver 2 and the outer louver 3 can be easily removed when the filter 1a is cleaned and replaced.

本発明の実施形態を分解して示す断面図。Sectional drawing which decomposes | disassembles and shows embodiment of this invention. 本発明の実施形態を示す断面図。Sectional drawing which shows embodiment of this invention. 本発明の実施形態の内側ガラリをフィルタケースに取付けた状態を示す斜視図。The perspective view which shows the state which attached the inner side louver of embodiment of this invention to the filter case. 本発明の実施形態の外側ガラリを示す背面側からの斜視図。The perspective view from the back side which shows the outer side gallery of embodiment of this invention. 本発明の実施形態を示す斜視図。The perspective view which shows embodiment of this invention.

符号の説明Explanation of symbols

１ フィルタケース
12 取付用フランジ部
13 枠部
13a 側枠部
14 低段部
15 切欠部
15a 係止溝部
２ 内側ガラリ
21a 切込部
23 係止片部
３ 外側ガラリ
33 周枠部
34 側板部
34a 係止爪
100 キャビネット
101 換気孔 1 Filter case
12 Mounting flange
13 Frame
13a Side frame
14 Low section
15 Notch
15a Locking groove 2 Inner louver
21a notch
23 Locking piece 3 Outer louver
33 Perimeter frame
34 Side plate
34a Locking claw
100 cabinets
101 Ventilation hole

Claims (2)

キャビネットの換気孔に前面から嵌合して取り付けるフィルタケースの前面開口周縁に連設した取付用フランジ部の枠部に内側ガラリを取り付けたうえ、前記内側ガラリの前面を覆う外側ガラリを該外側ガラリの周縁後方に連設した周枠部を前記取付用フランジ部の周縁を囲装したうえ該周枠部の両側板部の先端に内向きに設けた係止爪を前記取付用フランジ部の枠部の側枠部に設けた切欠部の基端下方に設けた係止溝部に係止させて取り付けたことを特徴とする電気機器キャビネット用ルーバー。 The inner louver is attached to the frame portion of the mounting flange portion that is continuously connected to the periphery of the front opening of the filter case that is fitted to the ventilation hole of the cabinet from the front, and the outer louver covering the front surface of the inner louver is attached to the outer louver. A peripheral frame portion provided continuously to the rear of the peripheral edge of the mounting flange portion surrounds the peripheral edge of the mounting flange portion, and a locking claw provided inwardly at the ends of both side plate portions of the peripheral frame portion is provided on the frame of the mounting flange portion. A louver for an electrical equipment cabinet, wherein the louver is attached by being engaged with an engaging groove provided below a base end of a notch provided in a side frame of the part . 内側ガラリを、フィルタケースの側枠部に設けた低段部に該内側ガラリの両側縁部に張設した係止片部を嵌合させて取り付けたことを特徴とする請求項１に記載の電気機器キャビネット用ルーバー。   2. The inner louver is attached by fitting a locking piece portion stretched on both side edges of the inner louver to a lower step portion provided on a side frame portion of the filter case. Louver for electrical equipment cabinet.
JP2006328075A 2006-12-05 2006-12-05 Louver for electrical equipment cabinet Active JP4912129B2 (en)

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