JP2014143270A - Ventilator of box for housing electric apparatus - Google Patents
Ventilator of box for housing electric apparatus Download PDFInfo
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- JP2014143270A JP2014143270A JP2013010082A JP2013010082A JP2014143270A JP 2014143270 A JP2014143270 A JP 2014143270A JP 2013010082 A JP2013010082 A JP 2013010082A JP 2013010082 A JP2013010082 A JP 2013010082A JP 2014143270 A JP2014143270 A JP 2014143270A
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Abstract
Description
本発明は、電気機器収納用箱に取り付けて用いられる換気装置であって、特に内部に防塵・防水用のフィルタを備えた換気装置に関するものである。 The present invention relates to a ventilator that is used by being attached to an electric equipment storage box, and particularly relates to a ventilator provided with a dustproof / waterproof filter inside.
従来から、電気機器収納用箱の筐体内を換気する換気装置として、塵埃や雨水等が筐体内へ侵入することを防止するためのフィルタを備えたものが広く採用されている。このフィルタは定期的にフィルタケースから取り外して交換する必要があるが、この種の換気装置は、電気機器収納用箱に取り付けた状態で、フィルタを交換する場合がある。 2. Description of the Related Art Conventionally, as a ventilation device for ventilating the inside of a housing for storing electric equipment, a device provided with a filter for preventing dust, rainwater, and the like from entering the housing has been widely adopted. Although this filter needs to be periodically removed from the filter case and replaced, this type of ventilator may be replaced in a state where the filter is attached to an electric equipment storage box.
このようなフィルタを交換する構造として、例えば特許文献１の換気装置が知られている。この換気装置は、フィルタを収納するフィルタケースの側面にガイド溝を設け、フィルタカバーの側面にこのガイド溝内を摺動するガイドピンを形成することにより、フィルタカバーを回動させて筺体の内側からフィルタを取り外す構造である（特許文献１図４）。さらに、フィルタカバーの側面には一対の係止爪が形成されているため、フィルタケースからフィルタカバーを引き出す際にこの係止爪がフィルタの側面を押圧してフィルタをフィルタカバーとともに引き出すことができる。この構造によれば、工具を用いなくともフィルタカバーを回動させるだけでフィルタを取り出すことができる。 As a structure for exchanging such a filter, for example, a ventilator disclosed in Patent Document 1 is known. In this ventilation device, a guide groove is provided on the side surface of the filter case for housing the filter, and a guide pin that slides in the guide groove is formed on the side surface of the filter cover. It is the structure which removes a filter from (patent document 1 FIG. 4). Further, since a pair of locking claws are formed on the side surface of the filter cover, when pulling out the filter cover from the filter case, the locking claws can press the side surface of the filter and pull out the filter together with the filter cover. . According to this structure, the filter can be taken out only by rotating the filter cover without using a tool.
しかしこの換気装置は、筐体内にフィルタカバーを大きく回動させるスペースが必要であるので、筐体に多数の電気機器を搭載した場合には、フィルタカバーが電気機器に接触して、フィルタを取り出すことができないことがある。これを防ぐには、フィルタカバーをフィルタケースから取り外せばよいのであるが、特許文献１はガイド溝にガイドピンを嵌合した構造であるため、フィルタカバーを取り外し難いという問題があった。 However, since this ventilation device requires a space for rotating the filter cover in the housing, when a large number of electrical devices are mounted on the housing, the filter cover comes into contact with the electrical devices and takes out the filter. There are times when you can't. To prevent this, the filter cover may be removed from the filter case. However, since Patent Document 1 has a structure in which a guide pin is fitted in the guide groove, there is a problem that it is difficult to remove the filter cover.
本発明の目的は前記問題を解決し、筐体内に多数の電気機器が搭載されている場合にも、フィルタを簡単に取り外すことができる電気機器収納用箱の換気装置を提供することである。 An object of the present invention is to solve the above problems and provide a ventilation device for an electrical equipment storage box in which a filter can be easily removed even when a large number of electrical equipments are mounted in a housing.
上記課題を解決するためになされた請求項１に記載の発明は、内部にフィルタが収納されたフィルタケースと、このフィルタケースを覆うフィルタカバーとを有する電気機器収納用箱の換気装置であって、前記フィルタケース又は前記フィルタカバーの何れか一方に、フィルタカバーを支持するための軸部が突設され、他方には前記軸部が摺動する長孔が形成されており、前記長孔は、フィルタカバーを前後方向に回動させる際に前記軸部が摺動する第１摺動孔と、終端が前記フィルタケース又は前記フィルタカバーの側面周縁に向けて開口された第２摺動孔とからなり、前記第１摺動孔には、フィルタカバーを開位置で支持する開位置軸支持部を設けたことを特徴とするものである。 The invention according to claim 1, which has been made to solve the above problems, is a ventilating device for an electric equipment storage box having a filter case in which a filter is housed and a filter cover covering the filter case. The shaft case for supporting the filter cover is projected from either one of the filter case or the filter cover, and the other is formed with a long hole through which the shaft portion slides. A first sliding hole through which the shaft portion slides when the filter cover is rotated in the front-rear direction; and a second sliding hole whose end is opened toward the peripheral edge of the filter case or the filter cover; The first slide hole is provided with an open position shaft support portion for supporting the filter cover in the open position.
請求項２のように、前記軸部は、前記第１摺動孔を自重により摺動して、前記開位置軸支持部まで移動してもよい。また請求項３のように、前記フィルタケースに前記軸部、前記フィルタカバーに前記長孔を設け、前記第２摺動孔は前記第１摺動孔の前記開位置軸支持部よりも下方位置から延設してもよいし、請求項４のように、前記フィルタケースに前記長孔、前記フィルタカバーに前記軸部を設け、前記第２摺動孔は前記第１摺動孔の前記開位置軸支持部よりも上方位置から延設してもよい。 According to a second aspect of the present invention, the shaft portion may slide to the open position shaft support portion by sliding the first sliding hole by its own weight. According to a third aspect of the present invention, the shaft case is provided in the filter case, and the elongated hole is provided in the filter cover, and the second sliding hole is positioned below the open position shaft support portion of the first sliding hole. The filter case may be provided with the elongated hole in the filter case and the shaft portion in the filter cover, and the second sliding hole may be the opening of the first sliding hole. You may extend from an upper position rather than a position-axis support part.
また、請求項５のように、前記開位置支持部を第１摺動孔の終端に形成してもよいし、請求項６のように、前記第２摺動孔を第１摺動孔から分岐して形成してもよい。 Further, as in claim 5, the open position support portion may be formed at the end of the first sliding hole, and as in claim 6, the second sliding hole is formed from the first sliding hole. It may be formed by branching.
さらに、請求項７のように、前記フィルタケースは、前記軸部が開位置軸支持部に位置するときに、前記フィルタカバーの下端部が当接してフィルタカバーの回転を止める当接面を備えたものとすることが好ましい。また請求項８のように、前記第１摺動孔と前記第２摺動孔との連通口をその他の部分よりも狭幅にすることが好ましい。 Further, according to a seventh aspect of the present invention, the filter case includes a contact surface that stops the rotation of the filter cover by contacting the lower end of the filter cover when the shaft portion is positioned at the open position shaft support portion. Preferably. Further, as in claim 8, it is preferable that the communication opening between the first sliding hole and the second sliding hole is narrower than the other portions.
本発明に係る電気機器収納用箱の換気装置は、前記フィルタケース又は前記フィルタカバーの何れか一方に、フィルタカバーを支持するための軸部が突設され、他方には前記軸部が摺動する長孔が形成されている。この長孔は、フィルタカバーを前後方向に回動させる際に前記軸部が摺動する第１摺動孔と、終端が前記フィルタケース又は前記フィルタカバーの側面周縁に向けて開口された第２摺動孔とからなる。前記軸部が第１摺動孔内を摺動することにより、従来のようにフィルタカバーをフィルタケースに支持させた状態でフィルタを交換することができる。また、フィルタカバーの回動スペースが少ない場合、例えば、フィルタカバーが筐体内に設置された電気機器と接触する恐れがある場合には、前記軸部を第２摺動孔の終端開口から取り出すことにより、簡単にフィルタカバーを取り外して、フィルタを交換することができる。このように本願発明は、フィルタカバーを回動させることも取り外すこともできるので、フィルタ交換を行い易い。 In the ventilating apparatus for an electrical equipment storage box according to the present invention, either one of the filter case or the filter cover is provided with a shaft portion for supporting the filter cover, and the shaft portion is slid on the other side. A long hole is formed. The elongated hole has a first sliding hole through which the shaft portion slides when the filter cover is rotated in the front-rear direction, and a second end whose end is opened toward the peripheral edge of the filter case or the filter cover. It consists of a sliding hole. When the shaft portion slides in the first sliding hole, the filter can be replaced while the filter cover is supported by the filter case as in the prior art. Further, when the rotation space of the filter cover is small, for example, when there is a possibility that the filter cover may come into contact with an electric device installed in the housing, the shaft portion is taken out from the terminal opening of the second sliding hole. Thus, the filter cover can be easily removed and the filter can be replaced. As described above, according to the present invention, the filter cover can be rotated and removed, so that the filter can be easily replaced.
また、前記第１摺動孔には、フィルタカバーを開位置で支持する開位置軸支持部を設けたので、フィルタ交換を容易に行うことができる。 Further, since the first sliding hole is provided with the open position shaft support portion that supports the filter cover in the open position, the filter can be easily replaced.
また、請求項２の発明では、前記軸部が前記第１摺動孔を自重により摺動して、前記開位置軸支持部まで移動することで、容易にフィルタカバーを回動することができる。また、請求項３及び請求項４の発明は、フィルタカバーを手で持ち上げて軸部を第２摺動孔に摺動させる構造であるので、誤ってフィルタカバーを取り外すことを防ぐことができる。 In the invention of claim 2, the filter cover can be easily rotated by the shaft portion sliding through the first sliding hole by its own weight and moving to the open position shaft support portion. . Moreover, since invention of Claim 3 and Claim 4 is a structure which lifts a filter cover by hand and makes a shaft part slide to a 2nd sliding hole, it can prevent removing a filter cover accidentally.
また請求項５のように、前記開位置軸支持部を第１摺動孔の終端に形成すれば、軸部を自然に開位置軸支持部に誘導することができる。さらに、請求項６のように、前記第２摺動孔を第１摺動孔から分岐させることにより、軸部を第１摺動孔から第２摺動孔に直接導いて、フィルタカバーを容易に取り外すことができる。 Further, if the open position shaft support portion is formed at the end of the first sliding hole as in claim 5, the shaft portion can be naturally guided to the open position shaft support portion. Further, as described in claim 6, by branching the second sliding hole from the first sliding hole, the shaft portion is directly guided from the first sliding hole to the second sliding hole, thereby facilitating the filter cover. Can be removed.
請求項７の発明では、前記フィルタケースに前記フィルタカバーの下端部が当接する当接面を形成した。これにより、軸部が開位置軸支持部にあるときにフィルタカバーを安定に保持することができる。さらに、請求項８の発明によれば、第１摺動孔と前記第２摺動孔との連通口が絞られているので、軸部が第１摺動孔を摺動中に誤って第２摺動孔に入ることを防止できる。 According to a seventh aspect of the present invention, a contact surface with which the lower end of the filter cover contacts is formed on the filter case. Thus, the filter cover can be stably held when the shaft portion is in the open position shaft support portion. According to the eighth aspect of the present invention, since the communication port between the first sliding hole and the second sliding hole is narrowed, the shaft portion is erroneously moved while sliding on the first sliding hole. 2 can be prevented from entering the sliding hole.
以下に本発明の好ましい実施形態を示す。
図１〜図３において、１は電気機器収納用箱の筐体に固定されたフィルタケース、２はフィルタケース１の背面側を覆うフィルタカバー、３はフィルタケース１に収納される防塵・防水フィルタである。この換気装置は、図１に示すように、筺体に形成された取付孔２０に外側から嵌め込まれ、内側からねじやビスによって固定されている。
Preferred embodiments of the present invention are shown below.
1 to 3, 1 is a filter case fixed to a housing of an electric equipment storage box, 2 is a filter cover covering the back side of the filter case 1, and 3 is a dustproof / waterproof filter stored in the filter case 1. It is. As shown in FIG. 1, this ventilation device is fitted from the outside into a mounting hole 20 formed in the housing, and is fixed from the inside by screws or screws.
フィルタケース１は、上面及び背面が開口された略四角状の箱体であり、前面板１Ａ、左右側面板１Ｂ及び底面板１Ｃから構成される。前面板１Ａには、左右２箇所に円形状の通気孔４が形成されている。左右側面板１Ｂの上端には、フィルタカバー２を閉状態で保持するためのラッチ受部５が内側に向けて取り付けられている。また、左右側面板１Ｂの下端には、フィルタカバー２を支持するための軸部６が設けられている。底面板１Ｃには、その終端から上方に向かって伸びる当接面７が形成されている。この当接面７にフィルタカバー２の下端を当接させることにより、フィルタカバー２を開いた位置に安定保持させることができる。 The filter case 1 is a substantially rectangular box having an upper surface and a rear surface that are open, and includes a front plate 1A, left and right side plates 1B, and a bottom plate 1C. Circular vents 4 are formed in the front plate 1A at two locations on the left and right. A latch receiving portion 5 for holding the filter cover 2 in a closed state is attached to the upper ends of the left and right side plates 1B inward. A shaft portion 6 for supporting the filter cover 2 is provided at the lower ends of the left and right side plates 1B. A contact surface 7 extending upward from the terminal end is formed on the bottom plate 1C. By bringing the lower end of the filter cover 2 into contact with the contact surface 7, the filter cover 2 can be stably held in the open position.
フィルタカバー２は、前面及び底面が開口された略四角状の箱体であり、天面板２Ａ、左右側面板２Ｂ及び背面板２Ｃから構成される。天面板２Ａの左右両端には、フィルタカバー２を閉じたときにラッチ受け部５に嵌入するラッチ部８が設けられている。また左右側面板２には、下方に長孔９が切り欠き形成されている。この長孔９内をフィルタケース１に設けた軸部６が摺動することにより、フィルタカバー２を前後方向に回動させたり、取り外したりすることができる。 The filter cover 2 is a substantially rectangular box having an open front and bottom surface, and includes a top plate 2A, left and right side plates 2B, and a back plate 2C. Latch portions 8 that are fitted into the latch receiving portions 5 when the filter cover 2 is closed are provided at both left and right ends of the top plate 2A. In addition, a long hole 9 is formed in the left and right side plates 2 in a lower portion. By sliding the shaft portion 6 provided in the filter case 1 in the long hole 9, the filter cover 2 can be rotated in the front-rear direction or removed.
この長孔９は、フィルタカバー２を回動させる際に軸部６が摺動する第１摺動孔９Ａと、終端が側板２Ｂの前端縁に向けて開口された第２摺動孔９Ｂとからなる。本実施形態では、第１摺動孔９Ａと第２摺動孔９ＢはともにＬ字状をなし、第１摺動孔９Ａの終端付近から第２摺動孔９Ｂを連通させている。この第１摺動孔９Ａには、フィルタカバー２を開位置で支持する開位置軸支持部１０が設けられている。本実施形態では、開位置軸支持部１０は第１摺動孔９Ａの終端に形成され、この開位置軸支持部１０の高さ位置より下方位置から第２摺動孔９Ｂを分岐させている。これにより、フィルタカバー２の自重による回動時、軸部６が第２摺動孔９Ｂに入り込むことなく第１摺動孔９Ａの終端まで摺動するため好ましい。なお、第１摺動孔９Ａと第２摺動孔９Ｂとの連通口にあたる第２摺動孔９Ｂの始端をその他の部分よりも狭幅に形成することにより、軸部６が第２摺動孔９Ｂに脱落することをより確実に防止できる。 The long hole 9 includes a first sliding hole 9A through which the shaft portion 6 slides when the filter cover 2 is rotated, and a second sliding hole 9B whose end is opened toward the front edge of the side plate 2B. Consists of. In the present embodiment, the first sliding hole 9A and the second sliding hole 9B are both L-shaped, and the second sliding hole 9B communicates from the vicinity of the terminal end of the first sliding hole 9A. The first sliding hole 9A is provided with an open position shaft support portion 10 that supports the filter cover 2 in the open position. In the present embodiment, the open position shaft support portion 10 is formed at the end of the first slide hole 9A, and the second slide hole 9B is branched from a position lower than the height position of the open position shaft support portion 10. . This is preferable because the shaft portion 6 slides to the end of the first sliding hole 9A without entering the second sliding hole 9B when the filter cover 2 is rotated by its own weight. In addition, the shaft portion 6 is second slid by forming the starting end of the second sliding hole 9B corresponding to the communication port between the first sliding hole 9A and the second sliding hole 9B to be narrower than the other portions. It can prevent more reliably that it falls into the hole 9B.
背面板２Ｃには、フィルタケース１の通気孔４に対応する位置に円形状の通気孔１１が形成され、さらに下端を垂直方向に延設して折り曲げ部１２となしている。この折り曲げ部１２を形成することにより背面板２Ｃの下端の強度を増すことができる。 A circular vent hole 11 is formed in the back plate 2C at a position corresponding to the vent hole 4 of the filter case 1, and a lower end is extended in the vertical direction to form a bent portion 12. By forming the bent portion 12, the strength of the lower end of the back plate 2C can be increased.
次に、フィルタカバー２の回動手順及び取り外し手順を説明する。図１及び図４はフィルタカバー２の閉状態を示す。この状態において、軸部６は第１摺動孔９Ａの始端に支持されている。このときラッチ部８はラッチ受部５に嵌入してフィルタカバー２を固定している。フィルタカバー２を開くには、まずラッチ部８をラッチ受部５から外し、フィルタカバー２を真上に持ち上げて、軸部６を第１摺動孔９Ａの垂直部分の角部まで移動させ、この状態からフィルタカバー２を後方に少し傾ける。そうすると、フィルタカバー２の自重により軸部６が第１摺動孔９Ａの上辺に沿って開位置軸支持部１０まで摺動し、図２及び図５に示す開状態となる。このとき、フィルタカバー２の下端は図６のようにフィルタケース１の当接面７に当接しているので、フィルタカバー２を開状態で安定させることができる。尚、フィルタカバー２を閉めるには上記と逆の手順を踏めばよい。 Next, the rotation procedure and removal procedure of the filter cover 2 will be described. 1 and 4 show the filter cover 2 in a closed state. In this state, the shaft portion 6 is supported at the start end of the first sliding hole 9A. At this time, the latch portion 8 is fitted into the latch receiving portion 5 to fix the filter cover 2. To open the filter cover 2, firstly, the latch portion 8 is removed from the latch receiving portion 5, the filter cover 2 is lifted right above, and the shaft portion 6 is moved to the corner of the vertical portion of the first sliding hole 9 </ b> A, From this state, the filter cover 2 is slightly tilted rearward. Then, the shaft portion 6 slides to the open position shaft support portion 10 along the upper side of the first sliding hole 9A due to the weight of the filter cover 2, and the open state shown in FIGS. At this time, since the lower end of the filter cover 2 is in contact with the contact surface 7 of the filter case 1 as shown in FIG. 6, the filter cover 2 can be stabilized in the open state. In order to close the filter cover 2, the reverse procedure to the above may be performed.
また、筐体内にフィルタカバー２を回動させるだけのスペースがない場合には、フィルタカバー２をフィルタケース１から取り外してフィルタ交換を行うことができる。その手順としては、まず、フィルタカバー２を真上に持ち上げた状態でフィルタカバー２を手前に引く。これにより、軸部６が第１摺動孔９Ａ内を摺動する。軸部６が第２摺動孔９Ｂとの連通口に位置したところで、さらにフィルタカバー２を真上に持ち上げ、その状態でフィルタカバー２を手前に引く。すると第２摺動孔９Ｂの終端から軸部６が外れて、フィルタカバー２を取り外した状態となる。なお、フィルタカバー２を取り付ける場合には上記と逆の手順を踏めばよい。 When there is not enough space to rotate the filter cover 2 in the housing, the filter cover 2 can be removed from the filter case 1 and the filter can be replaced. As the procedure, first, the filter cover 2 is pulled forward while the filter cover 2 is lifted right above. Thereby, the shaft portion 6 slides in the first sliding hole 9A. When the shaft portion 6 is located at the communication port with the second sliding hole 9B, the filter cover 2 is further lifted right above, and the filter cover 2 is pulled forward in this state. Then, the shaft portion 6 is detached from the end of the second sliding hole 9B, and the filter cover 2 is removed. In addition, what is necessary is just to follow the procedure contrary to the above, when attaching the filter cover 2. FIG.
本実施形態では、第１摺動孔９Ａ及び第２摺動孔９Ｂの形状をＬ字状としたがこれに限定されるものではなく、例えば図７のように、第１摺動孔９ＡをＵ字状に形成し、第２摺動孔９Ｂを第１摺動孔９Ａの終端付近からフィルタカバー２の前端縁に向かって直線状に伸ばしてもよいし、図示はしないが、第１摺動孔９Ａを直線状の長孔としてもよい。また図８のように、軸部６と長孔９の形成位置を入れ替えてもよい。すなわち、軸部６をフィルタカバー２に形成し、この軸部６が摺動する長孔９をフィルタケース１に形成してもよい。その場合は、第１摺動孔９Ａの終端付近かつ、開位置軸支持部１０の高さ位置より上方位置から第２摺動孔９Ｂを分岐させる。これにより、軸部６は第１摺動孔９Ａの下辺に沿って摺動する。また、本実施形態は上開き式としたが、軸部６と長孔９を上方に形成することにより下開き式とすることもできる。これにより、換気装置を高い位置に設置した場合でも簡単にフィルタを交換することができる。また、フィルタケース１とフィルタケース１の正面側のフィルタカバーに軸部構造を設け、フィルタケース１の正面側のフィルタカバーを回動及び取外し可能としてもよい。 In the present embodiment, the shape of the first sliding hole 9A and the second sliding hole 9B is L-shaped. However, the present invention is not limited to this. For example, as shown in FIG. The second sliding hole 9B may be linearly extended from the vicinity of the terminal end of the first sliding hole 9A toward the front end edge of the filter cover 2, and although not shown, the first sliding hole 9B may be formed in a U shape. 9 A of moving holes are good also as a linear long hole. Further, as shown in FIG. 8, the positions where the shaft portion 6 and the long hole 9 are formed may be interchanged. That is, the shaft portion 6 may be formed in the filter cover 2, and the long hole 9 in which the shaft portion 6 slides may be formed in the filter case 1. In that case, the second sliding hole 9B is branched from the position near the terminal end of the first sliding hole 9A and above the height position of the open position shaft support portion 10. Thereby, the shaft portion 6 slides along the lower side of the first sliding hole 9A. Moreover, although this embodiment was made into the upward opening type, it can also be made into a downward opening type by forming the axial part 6 and the long hole 9 upwards. Thereby, even when the ventilation device is installed at a high position, the filter can be easily replaced. Further, a shaft portion structure may be provided on the filter case 1 and the filter cover on the front side of the filter case 1 so that the filter cover on the front side of the filter case 1 can be rotated and removed.
以上に説明したように、本発明に係る換気装置は、フィルタカバー２を支持するための軸部６とこの軸部６が摺動する長孔９を形成した。この長孔９は、フィルタカバー２を前後方向に回動させる際に軸部６が摺動する第１摺動孔９Ａと、終端が開口された第２摺動孔９Ｂとからなるので、フィルタカバー２をフィルタケース１に支持させた状態で回動させてフィルタを交換することもできるし、フィルタカバー２をフィルタケース１から取り外してフィルタを交換することもできる。第１摺動孔９Ａには、フィルタカバー２を開位置で支持する開位置軸支持部１０を設けたので、フィルタ交換を容易に行うことができる。さらに、第１摺動孔９Ａと第２摺動孔９Ｂとの連通口をその他の部分よりも狭幅に形成したので、軸部６が第１摺動孔９Ａを摺動中に誤って第２摺動孔９Ｂ内に脱落しにくくなる。また、開位置軸支持部１０を第１摺動孔９Ａの終端に形成したので、軸部６を自然に開位置軸支持部１０に誘導することができる。さらに、第２摺動孔９Ｂを第１摺動孔９Ａから分岐させたので、軸部６を第１摺動孔９Ａから第２摺動孔９Ｂに直接導いて、フィルタカバー２を容易に取り外すことができる、等の利点を有する。 As described above, the ventilator according to the present invention has the shaft portion 6 for supporting the filter cover 2 and the long hole 9 through which the shaft portion 6 slides. The long hole 9 includes a first sliding hole 9A through which the shaft portion 6 slides when the filter cover 2 is rotated in the front-rear direction, and a second sliding hole 9B in which the terminal end is opened. The filter can be exchanged by rotating the cover 2 supported by the filter case 1, or the filter can be exchanged by removing the filter cover 2 from the filter case 1. Since the first slide hole 9A is provided with the open position shaft support portion 10 that supports the filter cover 2 in the open position, the filter can be easily replaced. Further, since the communication opening between the first sliding hole 9A and the second sliding hole 9B is formed to be narrower than the other portions, the shaft portion 6 mistakenly moves while sliding the first sliding hole 9A. 2 It becomes difficult to drop into the sliding hole 9B. Further, since the open position shaft support portion 10 is formed at the end of the first sliding hole 9A, the shaft portion 6 can be naturally guided to the open position shaft support portion 10. Further, since the second sliding hole 9B is branched from the first sliding hole 9A, the shaft portion 6 is directly guided from the first sliding hole 9A to the second sliding hole 9B, and the filter cover 2 is easily removed. Has the advantage of being able to.
１ フィルタケース
２ フィルタカバー
３ フィルタ
４ 通気孔
５ ラッチ受部
６ 軸部
７ 当接面
８ ラッチ部
９ 長孔
９Ａ 第１摺動孔
９Ｂ 第２摺動孔
１０ 開位置軸支持部
１１ 通気孔
１２ 折り曲げ部
２０ 取付孔
DESCRIPTION OF SYMBOLS 1 Filter case 2 Filter cover 3 Filter 4 Vent hole 5 Latch receiving part 6 Shaft part 7 Contact surface 8 Latch part 9 Long hole 9A First sliding hole 9B Second sliding hole 10 Open position shaft support part 11 Vent hole 12 Bending part 20 Mounting hole
Claims (8)
前記フィルタケース又は前記フィルタカバーの何れか一方に、フィルタカバーを支持するための軸部が突設され、他方には前記軸部が摺動する長孔が形成されており、
前記長孔は、フィルタカバーを前後方向に回動させる際に前記軸部が摺動する第１摺動孔と、終端が前記フィルタケース又は前記フィルタカバーの側面周縁に向けて開口された第２摺動孔とからなり、
前記第１摺動孔には、前記フィルタカバーを開位置で支持する開位置軸支持部を設けたことを特徴とする電気機器収納用箱の換気装置。 A ventilation device for an electrical equipment storage box having a filter case in which a filter is housed and a filter cover covering the filter case,
Either one of the filter case or the filter cover is provided with a shaft portion for supporting the filter cover, and the other is formed with a long hole through which the shaft portion slides.
The long hole includes a first sliding hole through which the shaft portion slides when the filter cover is rotated in the front-rear direction, and a second end which is opened toward the peripheral edge of the filter case or the filter cover. Consisting of sliding holes,
The first sliding hole is provided with an open position shaft support portion for supporting the filter cover in an open position, and the ventilation apparatus for an electrical equipment storage box.
前記第２摺動孔は前記第１摺動孔の前記開位置軸支持部よりも下方位置から延設されたものであることを特徴とする請求項２に記載の電気機器収納用箱の換気装置。 The shaft case is provided in the filter case, and the elongated hole is provided in the filter cover,
The ventilation of an electric equipment storage box according to claim 2, wherein the second sliding hole is extended from a position lower than the open position shaft support portion of the first sliding hole. apparatus.
前記第２摺動孔は前記第１摺動孔の前記開位置軸支持部よりも上方位置から延設されたものであることを特徴とする請求項２に記載の電気機器収納用箱の換気装置。 The filter case is provided with the elongated hole, and the filter cover is provided with the shaft portion,
The said 2nd sliding hole is extended from the upper position rather than the said open position shaft support part of the said 1st sliding hole, The ventilation of the box for electrical equipment storage of Claim 2 characterized by the above-mentioned. apparatus.
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| JP2013010082A JP6221079B2 (en) | 2013-01-23 | 2013-01-23 | Ventilator for electrical equipment storage box |
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| JP2013010082A JP6221079B2 (en) | 2013-01-23 | 2013-01-23 | Ventilator for electrical equipment storage box |
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| CN117791326A (en) * | 2024-01-02 | 2024-03-29 | 徐州中铁电气有限公司 | Combined photovoltaic transformer substation |
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| JP6221079B2 (en) | 2017-11-01 |
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