JP2018190881A - Box for housing electric device - Google Patents

Box for housing electric device Download PDF

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Publication number
JP2018190881A
JP2018190881A JP2017093793A JP2017093793A JP2018190881A JP 2018190881 A JP2018190881 A JP 2018190881A JP 2017093793 A JP2017093793 A JP 2017093793A JP 2017093793 A JP2017093793 A JP 2017093793A JP 2018190881 A JP2018190881 A JP 2018190881A
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door
housing
shaft
bearing portion
bearing
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JP6949422B2 (en
Inventor
加藤　剛志
Tsuyoshi Kato
剛志 加藤
宏野 鈴木
Koya Suzuki
宏野 鈴木
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Nitto Kogyo Co Ltd
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Nitto Kogyo Co Ltd
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  • Pivots And Pivotal Connections (AREA)
  • Casings For Electric Apparatus (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a box for housing an electric device which can adjust a distance between an opening periphery and a door back surface when a door is in a closed position.SOLUTION: A box 1 for housing an electric device includes: a housing 11 having an opening 12; and a door 13 which closes the opening 12. The box 1 includes first bearing parts 21 and second bearing parts 22 which can connect the housing to the door by shafts 23 fitted therein. A rotation center of the door set when the shafts 23 are fitted in the second bearings 22 is different from a rotation center of the door set when the shafts 23 are fitted in the first bearings 21.SELECTED DRAWING: Figure 2

Description

本発明は、電気機器収納用箱に関するものである。   The present invention relates to an electric equipment storage box.

特許文献１に記載されているように、開口を有した筐体と、その開口を塞ぐ扉で構成される電気機器収納用箱が知られている。電気機器収納用箱には、開口周囲の水切り部と扉裏面を当接させることで、止水する場合がある。また、水切り部にパッキンを設け、パッキンと扉裏面を当接させることで、止水する場合がある。   As described in Patent Document 1, there is known an electric equipment storage box including a housing having an opening and a door that closes the opening. The electrical equipment storage box may stop water by bringing the draining portion around the opening into contact with the back surface of the door. Further, there may be a case where water is stopped by providing packing at the draining portion and bringing the packing into contact with the back of the door.

特開２０１３−１７２１２３号公報JP 2013-172123 A

ところで、通常、水切り部と扉裏面とを密着させて使用する構造のものに対して水切り部と扉裏面との間にパッキンを介在させると、扉が閉まらなくなる。また、水切部と扉裏面との間にパッキンを介在させて使用する構造のものに対してパッキンを取り付けなかった場合、水切り部と扉裏面との間に看過できない隙間が生じる。したがって、電気機器収納用箱は、パッキンを介在させて使用する形態のものと、パッキンを介在させずに使用するものを分けて製造する必要があった。このため、サイズの異なる筐体や扉を複数用意する必要があり、コスト高となっていた。   By the way, normally, if a packing is interposed between the draining portion and the door rear surface in a structure in which the draining portion and the door rear surface are used in close contact, the door cannot be closed. In addition, when the packing is not attached to a structure that is used with a packing interposed between the draining portion and the back surface of the door, a gap that cannot be overlooked is generated between the draining portion and the back surface of the door. Therefore, it is necessary to manufacture the electrical equipment storage box separately from the form in which the packing is used and the form in which the packing is used without using the packing. For this reason, it is necessary to prepare a plurality of housings and doors having different sizes, resulting in high costs.

本件の発明者は、この点について鋭意検討することにより、解決を試みた。本発明の課題は、扉が閉じ位置にある場合の開口周囲と扉裏面との距離を調整可能な電気機器収納用箱とすることである。   The inventor of the present case tried to solve the problem by diligently examining this point. An object of the present invention is to provide an electric equipment storage box in which the distance between the periphery of the opening and the back of the door when the door is in the closed position can be adjusted.

上記課題を解決するため、開口を有した筐体と、開口を塞ぐ扉を備えた電気機器収納用箱であって、軸を嵌めることで筐体と扉を連結可能な第一の軸受部と第二の軸受部を備え、第二の軸受部に軸を嵌めた場合の扉の回動中心は、第一の軸受部に軸を嵌めた場合の扉の回動中心と異なる電気機器収納用箱とする。   In order to solve the above-described problem, a housing for an electric device including a housing having an opening and a door that closes the opening, and a first bearing portion that can connect the housing and the door by fitting a shaft; When the second bearing portion is provided and the shaft is fitted to the second bearing portion, the door rotation center is different from the door rotation center when the shaft is fitted to the first bearing portion. A box.

第一の軸受部と第二の軸受部を筐体の前後方向にずらして設けた構成とすることが好ましい。   It is preferable that the first bearing portion and the second bearing portion are provided so as to be shifted in the front-rear direction of the housing.

軸が第一の軸受部に嵌められており、扉が閉じ位置となった場合に筐体と扉との間に生じる隙間にパッキンを介在させた構成とすることが好ましい。   It is preferable that the shaft is fitted in the first bearing portion and the packing is interposed in the gap generated between the housing and the door when the door is in the closed position.

本発明では、扉が閉じ位置にある場合の開口周囲と扉裏面との距離を調整可能な電気機器収納用箱とすることが可能となる。   In this invention, it becomes possible to set it as the electric equipment storage box which can adjust the distance of the opening periphery when a door exists in a closed position, and a door back surface.

実施形態の電気機器収納用箱の斜視図である。但し扉を開放している。It is a perspective view of the electric equipment storage box of an embodiment. However, the door is open. 実施形態の電気機器収納用箱の分解斜視図である。It is a disassembled perspective view of the electric equipment storage box of an embodiment. 第一の軸受部に軸を嵌め込んだ場合の電気機器収納用箱の斜視図である。It is a perspective view of the electric equipment storage box at the time of inserting a shaft in the 1st bearing part. 図３のＩＶ−ＩＶ断面図である。It is IV-IV sectional drawing of FIG. 第二の軸受部に軸を嵌め込んだ場合の電気機器収納用箱の斜視図である。It is a perspective view of the electric equipment storage box at the time of inserting a shaft in the 2nd bearing part. 図５のＶＩ−ＶＩ断面図である。It is VI-VI sectional drawing of FIG. 第一の軸受部に沿った切欠部と第二の軸受部に沿った切欠部が同一方向に延びるように設けられていることを表した図である。It is a figure showing that the notch part along the 1st bearing part and the notch part along the 2nd bearing part are provided so that it may extend in the same direction. 第一の軸受部に沿った切欠部と第二の軸受部に沿った切欠部が異なる方向に延びるように設けられていることを表した図である。It is a figure showing that the notch part along the 1st bearing part and the notch part along the 2nd bearing part are provided so that it may extend in a different direction. 実施形態における筐体側の鎖錠部周りを表した図である。It is a figure showing the circumference of a lock part by the side of a case in an embodiment.

以下に発明を実施するための形態を示す。本実施形態の電気機器収納用箱１は、開口１２を有した筐体１１と、開口１２を塞ぐ扉１３を備えている。また、軸２３を嵌めることで筐体１１と扉１３を連結可能な第一の軸受部２１と第二の軸受部２２を備えている。この第二の軸受部２２に軸２３を嵌めた場合の扉１３の回動中心は、第一の軸受部２１に軸２３を嵌めた場合の扉１３の回動中心と異なるものとなる。このため、扉１３が閉じ位置にある場合の開口１２の周囲と扉１３の裏面との距離を調整可能な電気機器収納用箱１とすることが可能となる。   The form for implementing this invention is shown below. The electric device storage box 1 of the present embodiment includes a housing 11 having an opening 12 and a door 13 that closes the opening 12. Further, a first bearing portion 21 and a second bearing portion 22 that can connect the housing 11 and the door 13 by fitting the shaft 23 are provided. The rotation center of the door 13 when the shaft 23 is fitted to the second bearing portion 22 is different from the rotation center of the door 13 when the shaft 23 is fitted to the first bearing portion 21. For this reason, it becomes possible to set it as the electric equipment storage box 1 which can adjust the distance of the circumference | surroundings of the opening 12 when the door 13 exists in a closed position, and the back surface of the door 13. FIG.

図１に示されていることから理解されるように、本実施形態の電気機器収納用箱１は、筐体１１と扉１３と屋根１４を備えている。本実施形態の筐体１１は、内部に基板９１を備えているが、この基板９１上には電気機器などを配置する。図２に示されていることから理解されるように、筐体１１と扉１３は、それぞれ接続部３１，３２を有し、それらの接続部３１，３２が接続されることで、扉１３が筐体１１に対して回動自在に取り付けられる。より具体的には、軸２３を第一の軸受部２１又は第二の軸受部２２に嵌めることで扉１３と筐体１１が回動可能に連結される。   As can be understood from FIG. 1, the electric device storage box 1 of this embodiment includes a housing 11, a door 13, and a roof 14. The housing 11 of the present embodiment includes a substrate 91 inside, and an electric device or the like is disposed on the substrate 91. As can be understood from FIG. 2, the housing 11 and the door 13 have connection portions 31 and 32, respectively. It is attached to the housing 11 so as to be rotatable. More specifically, the door 13 and the housing 11 are rotatably connected by fitting the shaft 23 to the first bearing portion 21 or the second bearing portion 22.

本実施形態の筐体１１と扉１３は樹脂で形成されており、各接続部３１，３２は筐体１１や扉１３に一体に形成されているが、筐体１１と扉１３は金属製でも構わないし、別体で形成された蝶番を筐体１１や扉１３に取り付けてもよい。   The casing 11 and the door 13 of the present embodiment are formed of resin, and the connecting portions 31 and 32 are formed integrally with the casing 11 and the door 13, but the casing 11 and the door 13 may be made of metal. Of course, a hinge formed separately may be attached to the housing 11 or the door 13.

筐体１１と扉１３は、接続部３１，３２が設けられた側面部とは反対側の側面部に、鎖錠部が設けられている。筐体１１側の鎖錠部８１に対して、扉１３側の鎖錠部８２が嵌合されることによって、電気機器収納用箱１は鎖錠される。なお、本実施形態では筐体１１の上部に屋根１４を設けているが、このようにすることで、鎖錠された電気機器収納用箱１の筐体１１と扉１３との間から筐体１１の内部に水が浸入することを抑制することができる。   The casing 11 and the door 13 are provided with a locking portion on the side surface opposite to the side surface on which the connection portions 31 and 32 are provided. The electrical device storage box 1 is locked by fitting the lock portion 82 on the door 13 side to the lock portion 81 on the housing 11 side. In the present embodiment, the roof 14 is provided on the upper portion of the housing 11, but by doing so, the housing is formed between the housing 11 and the door 13 of the locked electric device storage box 1. It is possible to prevent water from entering the inside of 11.

ところで、本実施形態の筐体１１の接続部３１には、複数の軸受部を備えている。このように筐体１１の接続部３１に軸受部を複数設けることで、扉１３側に設けた軸２３の取り付け位置を変更することができる。例えば図３及び図４に示したように軸２３を取り付けた場合と、図５及び図６に示したように軸２３を取り付けた場合では、軸２３の取り付け位置を変更したため、扉１３の回動軌跡が変わり、扉１３を閉じ位置にした際の扉１３と筐体１１との位置関係が変わる。このため、サイズの異なる筐体１１や扉１３を用意することなく、筐体１１と扉１３の間の空間の変更に対応することができる。   By the way, the connection part 31 of the housing | casing 11 of this embodiment is provided with the some bearing part. Thus, by providing a plurality of bearing portions in the connection portion 31 of the housing 11, the mounting position of the shaft 23 provided on the door 13 side can be changed. For example, when the shaft 23 is attached as shown in FIG. 3 and FIG. 4 and when the shaft 23 is attached as shown in FIG. 5 and FIG. The movement locus changes, and the positional relationship between the door 13 and the housing 11 when the door 13 is set to the closed position is changed. For this reason, it is possible to cope with a change in the space between the casing 11 and the door 13 without preparing the casing 11 and the door 13 having different sizes.

本実施形態では、軸受部が筐体１１の前後方向に並ぶように配置している。このような位置関係とすることで、構造を複雑化させることなく、筐体１１と扉１３の間の空間の変更に対応することができる。なお、ここでは前側の軸受部を第一の軸受部２１、後側の軸受部を第二の軸受部２２ということにする。   In the present embodiment, the bearing portions are arranged in the front-rear direction of the housing 11. By adopting such a positional relationship, it is possible to cope with a change in the space between the housing 11 and the door 13 without complicating the structure. Here, the front bearing portion is referred to as the first bearing portion 21, and the rear bearing portion is referred to as the second bearing portion 22.

図７及び図８に示す形態では、一部に切欠き部２５を設けた穴形状の軸受部とするとともに円柱状の軸２３としている。この場合、切欠き部２５から軸２３を挿入することで軸２３と軸受部を組み合わせることができる。軸２３は軸受部から容易に外れない構成であることが好ましいが、例えば、円柱状の軸２３の側面に凹部を設け、その凹部のみが切欠き部２５を通過することができるようにすることで、扉１３をある一定の角度開いた状態でのみ筐体１１から扉１３を取り外せるようにするようにすれば、軸２３が軸受部から容易に外れないものとなる。なお、軸受部を弾性変形させて切欠き部２５を大きくすることにより、軸２３が軸受部内に挿入されるような構造としてもよい。   In the form shown in FIG.7 and FIG.8, it is set as the cylindrical shaft 23 while setting it as the hole-shaped bearing part which provided the notch part 25 in part. In this case, the shaft 23 and the bearing portion can be combined by inserting the shaft 23 from the notch 25. The shaft 23 is preferably configured so as not to be easily detached from the bearing portion. For example, a concave portion is provided on the side surface of the cylindrical shaft 23 so that only the concave portion can pass through the notch portion 25. Thus, if the door 13 can be detached from the housing 11 only when the door 13 is opened at a certain angle, the shaft 23 cannot be easily detached from the bearing portion. In addition, it is good also as a structure where the shaft 23 is inserted in a bearing part by elastically deforming a bearing part and enlarging the notch part 25. FIG.

図７に示す例では、第一の軸受部２１の切欠き部２５と第二の軸受部２２の切欠き部２５が同じ方向に設けられている。したがって、軸２３を軸受部に嵌め込む際の移動方向は同一となる。より具体的には、いずれの軸受部に対して軸２３嵌め込む場合でも、軸２３を筐体１１の左右方向に移動させることになる。一方、図８に示す例では、第一の軸受部２１の切欠き部２５は筐体１１の左右方向に向かって延びるように設けており、第二の軸受部２２の切欠き部２５は筐体１１の前後方向に向かって延びるように設けている。このようにすると、軸２３を第一の軸受部２１に嵌め込む場合と第二の軸受部２２に嵌め込む場合で、軸２３を動かす方向が変わるため、軸２３を取り付ける際の位置確認を容易にすることができる。   In the example shown in FIG. 7, the notch portion 25 of the first bearing portion 21 and the notch portion 25 of the second bearing portion 22 are provided in the same direction. Therefore, the moving direction when the shaft 23 is fitted into the bearing portion is the same. More specifically, the shaft 23 is moved in the left-right direction of the housing 11 even when the shaft 23 is fitted into any bearing portion. On the other hand, in the example shown in FIG. 8, the notch portion 25 of the first bearing portion 21 is provided so as to extend in the left-right direction of the housing 11, and the notch portion 25 of the second bearing portion 22 is the housing. It is provided so as to extend in the front-rear direction of the body 11. If it does in this way, since the direction which moves the axis | shaft 23 changes with the case where the axis | shaft 23 is fitted in the 1st bearing part 21, and the case where it is fitted in the 2nd bearing part 22, the position confirmation at the time of attaching the axis | shaft 23 is easy. Can be.

本実施形態では、筐体１１側の接続部３１が穴形状の軸受部を備え、扉１３側の接続部３２が軸２３を備えた構成としたが、筐体１１側の接続部３１も扉１３側の接続部３２も、ともに穴形状とし、別部材からなる軸２３を両者の穴に挿入することで接続する構成としても構わない。   In the present embodiment, the connection portion 31 on the housing 11 side includes a hole-shaped bearing portion, and the connection portion 32 on the door 13 side includes the shaft 23. However, the connection portion 31 on the housing 11 side is also a door. The 13-side connecting portion 32 may also be formed in a hole shape and connected by inserting a shaft 23 made of a separate member into both holes.

ところで、本実施形態では、軸２３の取り付け位置を変更可能としているが、鎖錠部もそれに対応させたものとしている。本実施形態では、扉１３側の鎖錠部８２に係止する筐体１１側の鎖錠部８１に係止部を複数設けている。より具体的には、第一の軸受部２１を利用する場合に用いられる第１係止部７１と、第二の軸受部２２を利用する場合に用いられる第２係止部７２を備えたものとし、筐体１１側の鎖錠部８１に係止する構造としている。   By the way, in this embodiment, although the attachment position of the axis | shaft 23 can be changed, the locking part shall also be made to respond | correspond to it. In the present embodiment, a plurality of locking portions are provided in the locking portion 81 on the housing 11 side that is locked to the locking portion 82 on the door 13 side. More specifically, a first locking portion 71 used when using the first bearing portion 21 and a second locking portion 72 used when using the second bearing portion 22 are provided. And it is set as the structure latched to the locking part 81 by the side of the housing | casing 11. FIG.

本実施形態の筐体１１側の鎖錠部８１の構造としては、第１係止部７１と、第２係止部７２とが扉１３の前後方向に並んで配置されることが好ましい。図９に示す例では、必要に応じて、第１係止部７１と第２係止部７２との間を切り離すことのできる形状としており、第１係止部７１を使用する場合には、第２係止部７２を切り離す。なお、係止部を複数備える構造は、筐体１１側ではなく、扉１３側であっても構わない。   As a structure of the locking part 81 on the housing 11 side of the present embodiment, it is preferable that the first locking part 71 and the second locking part 72 are arranged side by side in the front-rear direction of the door 13. In the example shown in FIG. 9, if necessary, the first locking portion 71 and the second locking portion 72 are separated from each other, and when the first locking portion 71 is used, The second locking portion 72 is cut off. Note that the structure having a plurality of locking portions may be on the door 13 side instead of the housing 11 side.

本実施形態では、第二の軸受部２２に軸２３を取り付けた場合には、筐体１１の開口１２の周囲の水切り１５と、扉１３の内側の当接面とが当接することで、筐体１１の内部に水が浸入することを防ぐ。また、第一の軸受部２１に軸２３を取り付けた場合には、扉１３が閉じ位置となった場合でも、筐体１１の水切り１５と、扉１３の当接面との間に隙間が生じる。しかし、この筐体１１と扉１３との間に生じる隙間にパッキン６を介在させることで、筐体１１内部への水の浸入を防ぐことができ、水切り１５と当接面を当接する構造よりも防水性能を高めることができる。なお、本実施形態ではパッキン６を扉１３に貼り付けているが、パッキン６を貼付する位置は、筐体１１の水切り１５でも、扉１３の当接面でも構わない。   In the present embodiment, when the shaft 23 is attached to the second bearing portion 22, the drainer 15 around the opening 12 of the housing 11 and the contact surface inside the door 13 come into contact with each other. Prevents water from entering the body 11. Further, when the shaft 23 is attached to the first bearing portion 21, even when the door 13 is in the closed position, a gap is generated between the drainer 15 of the housing 11 and the contact surface of the door 13. . However, by interposing the packing 6 in the gap formed between the housing 11 and the door 13, it is possible to prevent water from entering the housing 11, and the structure in which the drainer 15 and the contact surface are in contact with each other. Can also improve the waterproof performance. In this embodiment, the packing 6 is affixed to the door 13, but the position where the packing 6 is affixed may be the draining 15 of the housing 11 or the contact surface of the door 13.

以上、一つの実施形態を中心に説明してきたが、本発明は上記実施形態に限定されることはなく、各種の態様とすることが可能である。例えば、第一係止部を使用する際に第二係止部を折り曲げて使用する形態とすることも可能である。また、筐体側に軸、扉側に複数の軸受部を形成する形態としても構わない。   As mentioned above, although it demonstrated centering on one embodiment, this invention is not limited to the said embodiment, It can be set as various aspects. For example, when the first locking portion is used, the second locking portion can be bent and used. Moreover, it is good also as a form which forms a shaft in the housing | casing side and a some bearing part in the door side.

実施形態では二つの回転中心のいずれかを選択できるように軸受部は二つであるが、回転中心を三つ以上の中から選択できるように、軸受部を設けても良い。   In the embodiment, there are two bearing portions so that either one of the two rotation centers can be selected, but a bearing portion may be provided so that the rotation center can be selected from among three or more.

１ 電気機器収納用箱
６ パッキン
１１ 筐体
１２ 開口
１３ 扉
２１ 第一の軸受部
２２ 第二の軸受部
２３ 軸 DESCRIPTION OF SYMBOLS 1 Electrical equipment storage box 6 Packing 11 Housing | casing 12 Opening 13 Door 21 1st bearing part 22 2nd bearing part 23 Axis

Claims (3)

開口を有した筐体と、開口を塞ぐ扉を備えた電気機器収納用箱であって、
軸を嵌めることで筐体と扉を連結可能な第一の軸受部と第二の軸受部を備え、
第二の軸受部に軸を嵌めた場合の扉の回動中心は、第一の軸受部に軸を嵌めた場合の扉の回動中心と異なる電気機器収納用箱。 An electrical equipment storage box having a housing having an opening and a door closing the opening,
A first bearing portion and a second bearing portion that can connect the housing and the door by fitting the shaft,
The electrical equipment storage box in which the rotation center of the door when the shaft is fitted to the second bearing portion is different from the rotation center of the door when the shaft is fitted to the first bearing portion. 第一の軸受部と第二の軸受部を筐体の前後方向にずらして設けた請求項１に記載の電気機器収納用箱。   The electric device storage box according to claim 1, wherein the first bearing portion and the second bearing portion are provided so as to be shifted in the front-rear direction of the housing. 軸が第一の軸受部に嵌められており、扉が閉じ位置となった場合に筐体と扉との間に生じる隙間にパッキンを介在させた請求項１又は２に記載の電気機器収納用箱。   The electrical equipment storage according to claim 1 or 2, wherein a shaft is fitted in the first bearing portion, and a packing is interposed in a gap generated between the housing and the door when the door is in a closed position. box.
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Publication number Priority date Publication date Assignee Title
TWI684702B (en) * 2019-04-09 2020-02-11 廣達電腦股份有限公司 Module assembly and combination with chassis and rail assembly

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JPH0582980A (en) * 1991-09-25 1993-04-02 Matsushita Electric Works Ltd Cover structure for electric equipment
JPH10196195A (en) * 1997-01-16 1998-07-28 Matsushita Electric Ind Co Ltd Bearing device
JP3051554U (en) * 1998-02-17 1998-08-25 ワコースチール株式会社 Retractable grating lid
JPH11255255A (en) * 1998-03-06 1999-09-21 Tdk Corp Article storage case
JP2003318565A (en) * 2002-04-22 2003-11-07 Matsushita Electric Ind Co Ltd Housing structure of electrical equipment
JP2005041563A (en) * 2003-07-25 2005-02-17 Shinko Electric Ind Co Ltd Lid attaching structure
JP2005299114A (en) * 2004-04-07 2005-10-27 Kawamura Electric Inc Door mounting structure of box for enclosing electrical apparatus
JP2009197528A (en) * 2008-02-25 2009-09-03 Daido Signal Co Ltd Casing with airtight door for outdoor installation
JP2012126415A (en) * 2010-12-14 2012-07-05 Kao Corp Hinge structure of hinge cap

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Publication number Priority date Publication date Assignee Title
JPH0582980A (en) * 1991-09-25 1993-04-02 Matsushita Electric Works Ltd Cover structure for electric equipment
JPH10196195A (en) * 1997-01-16 1998-07-28 Matsushita Electric Ind Co Ltd Bearing device
JP3051554U (en) * 1998-02-17 1998-08-25 ワコースチール株式会社 Retractable grating lid
JPH11255255A (en) * 1998-03-06 1999-09-21 Tdk Corp Article storage case
JP2003318565A (en) * 2002-04-22 2003-11-07 Matsushita Electric Ind Co Ltd Housing structure of electrical equipment
JP2005041563A (en) * 2003-07-25 2005-02-17 Shinko Electric Ind Co Ltd Lid attaching structure
JP2005299114A (en) * 2004-04-07 2005-10-27 Kawamura Electric Inc Door mounting structure of box for enclosing electrical apparatus
JP2009197528A (en) * 2008-02-25 2009-09-03 Daido Signal Co Ltd Casing with airtight door for outdoor installation
JP2012126415A (en) * 2010-12-14 2012-07-05 Kao Corp Hinge structure of hinge cap

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI684702B (en) * 2019-04-09 2020-02-11 廣達電腦股份有限公司 Module assembly and combination with chassis and rail assembly
US11598132B2 (en) 2019-04-09 2023-03-07 Quanta Computer Inc. Double shaft 180 degrees rotation sheet metal mechanism

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