JP5035896B2 - Airtight component of distribution board - Google Patents

Airtight component of distribution board Download PDF

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JP5035896B2
JP5035896B2 JP2007255187A JP2007255187A JP5035896B2 JP 5035896 B2 JP5035896 B2 JP 5035896B2 JP 2007255187 A JP2007255187 A JP 2007255187A JP 2007255187 A JP2007255187 A JP 2007255187A JP 5035896 B2 JP5035896 B2 JP 5035896B2
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distribution board
airtight member
airtight
wall
connection terminals
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JP2009089509A (en
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三輪　　修
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河村電器産業株式会社
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Description

本発明は、住宅の壁面に取り付けられる分電盤を気密する気密部材に関する。   The present invention relates to an airtight member that hermetically seals a distribution board attached to a wall surface of a house.

近年、住宅は断熱性能が求められて高気密化が進められており、壁面に取り付けられる分電盤にも気密対策が要求されている。分電盤は、一般的に壁に形成した配線孔から電線を引き込んで配線されるため、この配線孔から空気が逃げないように気密対策をする必要がある。そして、その気密対策としては、分電盤本体の背面全体にパッキンを設けたり、更に分電盤本体の前面が開閉自在な蓋で覆われる場合には分電盤本体の前面に形成された機器の操作窓を気密するために分電盤本体と接触する蓋の裏面にパッキンを設けていた（例えば、特許文献１参照。）。   In recent years, houses have been required to have high heat-tightness due to their heat insulation performance, and the air-tightness measures are required for the distribution boards attached to the walls. Since the distribution board is generally wired by drawing an electric wire from a wiring hole formed in the wall, it is necessary to take an airtight measure so that air does not escape from the wiring hole. And as a measure against airtightness, a device is formed on the front surface of the distribution board body when packing is provided on the entire rear surface of the distribution board body or when the front surface of the distribution board body is covered with an openable / closable lid. In order to hermetically seal the operation window, a packing is provided on the back surface of the lid that contacts the distribution board main body (see, for example, Patent Document 1).

特開２０００−１３４７２７号公報JP 2000-134727 A

このように、従来の分電盤の気密構造では分電盤本体の背面全体と壁との間にパッキンを設けるため、分電盤の壁からの突出を小さくするためには気密材の厚みが大きくできず、従って、薄い気密材を使用しなければならないが、気密材に切れ目を入れて配線孔から電線を挿通させるので薄い気密材では電線との密着性が低く、而も分電盤に入出線される電線数は多いので切れ目が多くなり、気密性が高くなかった。また、蓋の裏面に設けられる気密材は蓋の縁に沿って貼り付けるので加工に手間がかかり、壁面の歪みで本体が変形した場合には蓋と分電盤本体の密着性が良くないので気密性が低くなってしまっていた。また、蓋と本体に気密対策をすることによって分電盤本体に収容される電気機器の放熱性が悪くなり、温度上昇性能が厳しくなるという欠点があった。また、分電盤本体の前面に蓋を有しない分電盤においては気密対策ができないという問題があった。   In this way, in the conventional airtight structure of the distribution board, since the packing is provided between the entire rear surface of the distribution board body and the wall, the thickness of the airtight material is small in order to reduce the protrusion from the wall of the distribution board. Therefore, it is necessary to use a thin airtight material. However, since the airtight material is cut and the electric wire is inserted through the wiring hole, the thin airtight material has low adhesion to the electric wire, so Since the number of incoming and outgoing wires is large, there are many breaks and the airtightness is not high. In addition, since the airtight material provided on the back of the lid is attached along the edge of the lid, it takes time to process, and when the body deforms due to wall distortion, the adhesion between the lid and the distribution board body is not good. The airtightness was low. In addition, there is a drawback in that the heat dissipation of the electrical equipment housed in the distribution board main body is deteriorated and the temperature rise performance becomes severe by taking measures against airtightness between the lid and the main body. In addition, there is a problem that an airtight measure cannot be taken in a distribution board having no lid on the front surface of the distribution board body.

本発明は、請求項１に記載の発明によれば、壁面に形成した配線孔を通して複数の電線を引き込んで成る分電盤を気密する気密部材であって、気密部材は配線孔を塞ぐように設け、壁外と壁内の両側の電線を連結する接続端子を複数設け、接続端子を横一列に配置し、壁内側の接続端子の前方に分割したパッキンを接続端子の配列に沿って設けたことを特徴とする。 According to the first aspect of the present invention, there is provided an airtight member that hermetically seals a distribution board formed by drawing a plurality of electric wires through a wiring hole formed in a wall surface, and the airtight member closes the wiring hole. Provided a plurality of connection terminals that connect the electric wires on both sides of the wall outside and inside the wall, arranged the connection terminals in a horizontal row, and provided a packing divided in front of the connection terminals inside the wall along the arrangement of the connection terminals It is characterized by that.

請求項２に記載の発明によれば、請求項１に記載の分電盤の気密部材において、分割した一方のパッキンの長手方向両端を軸支して回動自在に設けたことを特徴とする。 According to a second aspect of the present invention, the airtight member of the distribution board according to the first aspect is characterized in that it is rotatably provided by pivotally supporting both longitudinal ends of one of the divided packings. .

請求項１に記載の発明によれば、配線孔に気密部材を嵌めて完全に塞ぐので手間がかからず容易に気密性能を向上することができ、分電盤本体の変形にも影響されず、また、分電盤の背面と壁面との間にパッキンを設けないので分電盤の壁面からの突出量を増やすことがなく、分電盤本体に気密対策をしないので分電盤本体の放熱性能を向上し、温度上昇性能に余裕ができ、而も分電盤本体の前面に蓋を有しない分電盤において気密対策が可能になるという効果がある。さらにパッキンで電線を挟持することで接続端子から漏れる空気を防いで気密性能を向上するという効果がある。 According to the first aspect of the present invention, since the airtight member is fitted into the wiring hole and completely closed, the airtight performance can be easily improved without taking time and is not affected by the deformation of the distribution board body. In addition, since no packing is provided between the rear panel and the wall surface of the distribution board, the amount of protrusion from the wall surface of the distribution board is not increased, and no airtight measures are taken on the distribution panel body, so heat dissipation from the distribution panel body There is an effect that the performance can be improved, the temperature rise performance can be afforded, and the airtight measures can be taken in the distribution board having no lid on the front surface of the distribution board body. Further, by sandwiching the electric wire with the packing, there is an effect of preventing air leaking from the connection terminal and improving the airtight performance.

請求項２に記載の発明によれば、請求項１に記載の発明の効果に加えて、パッキンによる電線の挟持・開放が容易にできるという効果がある。 According to the invention described in claim 2, in addition to the effect of the invention described in claim 1, there is an effect that the electric wire can be easily held and opened by the packing.

気密部材は壁面に形成された配線孔を塞ぐ本体部と、本体部の前端縁に形成された鍔部とを樹脂材料により形成し、本体部に壁外と壁内の両側の電線を連結する速結端子構造の複数の接続端子を電線挿入孔が横一列となるように設ける。そして、気密部材の背面側の速結端子に電線を接続した上で鍔部が壁面に当接するように配線孔に嵌めて取り付けることで配線孔を塞ぎ、前面側の速結端子に電線の一方端を接続して他方端を分電盤の分岐ブレーカに接続して配線を行う。   The airtight member is formed of a resin material for the main body part that closes the wiring hole formed on the wall surface and the collar part formed on the front edge of the main body part, and the electric wires on both the outside and inside the wall are connected to the main body part. A plurality of connection terminals having a quick connection terminal structure are provided so that the wire insertion holes are in a horizontal row. Then, after connecting the electric wire to the quick connection terminal on the back side of the airtight member, the wiring hole is closed by fitting and attaching to the wiring hole so that the collar comes into contact with the wall surface. Connect the end and connect the other end to the branch breaker of the distribution board.

本発明に係る分電盤の気密部材の実施例１を図１〜図３の添付図面に基づいて説明する。   A first embodiment of an airtight member of a distribution board according to the present invention will be described with reference to the accompanying drawings of FIGS.

気密部材１は分電盤２に配線するために壁面３に形成された配線孔４を塞ぐ本体部５と、本体部５の前端縁から外方に張設されて配線孔４の周囲に当接する鍔部６とを樹脂材料により形成し、本体部５には前後に電線挿入孔７ａが設けられて電線８を連結する速結端子構造の複数の接続端子７が電線挿入孔７ａが横一列となるように設けられている。また、前面には電線挿入孔７ａに並設してコネクタ７ｂが設けられ、背面の速結端子と連結している。   The airtight member 1 has a main body portion 5 that closes the wiring hole 4 formed in the wall surface 3 for wiring to the distribution board 2, and is stretched outward from the front edge of the main body portion 5 so as to contact the periphery of the wiring hole 4. A plurality of connection terminals 7 having a quick connection terminal structure in which a wire insertion hole 7a is provided at the front and rear of the main body 5 and the electric wires 8 are connected to each other are formed in a horizontal row. It is provided to become. In addition, a connector 7b is provided on the front side in parallel with the electric wire insertion hole 7a, and is connected to a quick connection terminal on the back side.

また、本体部５は壁内側（背面側）の接続端子７の前方に分割したパッキン９が分割面を接続端子７の電線挿入孔７ａの配列に沿うようにして設けられている。分割されたパッキン９は一方が本体部５から後方に突設されたコ字状の固定片１０に固定され、他方がコ字片１１に固定されて長手方向両端を本体部５に軸支して回動自在に設けられている。パッキン９の分割面には電線８を挟持したときに隙間ができないように密着性を高めるためのスリット９ａが形成されている。   Further, the main body 5 is provided with a packing 9 divided in front of the connection terminal 7 on the inner side (back side) so that the divided surface follows the arrangement of the wire insertion holes 7 a of the connection terminal 7. One of the divided packings 9 is fixed to a U-shaped fixing piece 10 protruding rearward from the main body 5, and the other is fixed to the U-shaped piece 11 so that both ends in the longitudinal direction are pivotally supported on the main body 5. And can be rotated freely. A slit 9a is formed on the dividing surface of the packing 9 to improve adhesion so that a gap is not formed when the electric wire 8 is clamped.

このように形成された気密部材１は、コ字片１１を開放した状態で壁内側の電線８を背面側の接続端子７の電線挿入孔７ａに差し込んで接続し、電線８の接続が完了したらコ字片１１を回動させて閉塞し、パッキン９で電線８を挟持する。尚、コ字片１１は両端に係合部１１ａが固定片１０の係合部１０ａに係合することで固定される構造になっている。パッキン９で電線８を挟持することで電線挿入孔７ａから空気が漏れるのを防いで気密性を高めている。   When the airtight member 1 formed in this way is connected by inserting the wire 8 inside the wall into the wire insertion hole 7a of the connection terminal 7 on the back side with the U-shaped piece 11 opened, the connection of the wire 8 is completed. The U-shaped piece 11 is rotated and closed, and the wire 8 is clamped by the packing 9. The U-shaped piece 11 has a structure that is fixed to both ends by engaging the engaging portion 11a with the engaging portion 10a of the fixing piece 10. By sandwiching the electric wire 8 with the packing 9, air is prevented from leaking from the electric wire insertion hole 7a, thereby improving the airtightness.

そして、気密部材１の本体部５を壁面３の配線孔４に挿入し、鍔部６を配線孔４の周囲に当接させて固定する。固定する方法としては、本体部５に板バネを設けて壁３に係合させたり、鍔部６に孔を設けてネジで締め付け固定したり、はさみ金具で固定したり、分電盤２で鍔部６を押さえて固定するなど固定方法について限定はない。   And the main-body part 5 of the airtight member 1 is inserted in the wiring hole 4 of the wall surface 3, and the collar part 6 is contact | abutted to the circumference | surroundings of the wiring hole 4, and is fixed. As a fixing method, a plate spring is provided in the main body portion 5 to be engaged with the wall 3, a hole is provided in the flange portion 6 to be fastened with screws, a scissor metal fitting is used, or a distribution board 2 is used. There is no limitation on the fixing method such as pressing and fixing the collar portion 6.

それから、分電盤２を壁面３に固定し、気密部材１の前面の電線挿入孔７ａ又はコネクタ７ｂに電線８を接続して分岐ブレーカに配線を行うことにより、負荷と分岐ブレーカとを電気的に接続する。尚、分電盤２の固定は気密部材の固定方法によっては気密部材１の取り付けを行うより前に行うことも可能である。   Then, the distribution board 2 is fixed to the wall surface 3, and the load and the branch breaker are electrically connected by connecting the wire 8 to the wire insertion hole 7a or the connector 7b on the front surface of the hermetic member 1 and wiring the branch breaker. Connect to. The distribution board 2 can be fixed before the airtight member 1 is attached depending on the method of fixing the airtight member.

尚、本実施例において前面側の接続端子７を速結端子とコネクタの２種類で構成したが、これに限定するものではなく、どちらか一方のみでも良いし、また、これらとは異なる接続端子であっても良い。   In the present embodiment, the front side connection terminal 7 is composed of two types of quick connection terminals and connectors. However, the present invention is not limited to this, and only one of them may be used, or a connection terminal different from these. It may be.

本発明に係る気密部材と分電盤を示す斜視図である。It is a perspective view which shows the airtight member and distribution board which concern on this invention. 本発明に係る気密部材の正面図である。It is a front view of the airtight member concerning the present invention. 本発明に係る気密部材の背面側から見た斜視図であり、（ａ）はコ字片が開放した状態、（ｂ）はコ字片が閉塞した状態を示す。It is the perspective view seen from the back side of the airtight member concerning the present invention, (a) shows the state where the U-shaped piece opened, and (b) shows the state where the U-shaped piece closed.

１ 気密部材
２ 分電盤
３ 壁面
４ 配線孔
５ 本体部
６ 鍔部
７ 接続端子
７ａ 電線挿入孔
７ｂ コネクタ
８ 電線
９ パッキン
９ａ スリット
１０ 固定片
１１ コ字片 DESCRIPTION OF SYMBOLS 1 Airtight member 2 Distribution board 3 Wall surface 4 Wiring hole 5 Main body part 6 Gutter part 7 Connection terminal 7a Wire insertion hole 7b Connector 8 Electric wire 9 Packing 9a Slit 10 Fixed piece 11 U-shaped piece

Claims (2)

壁面に形成した配線孔を通して複数の電線を引き込んで成る分電盤を気密する気密部材であって、該気密部材は前記配線孔を塞ぐように設け、壁外と壁内の両側の電線を連結する接続端子を複数設け、該接続端子を横一列に配置し、壁内側の前記接続端子の前方に分割したパッキンを前記接続端子の配列に沿って設けたことを特徴とする分電盤の気密部材。 An airtight member that hermetically seals a distribution board formed by drawing a plurality of electric wires through a wiring hole formed in a wall surface, and the airtight member is provided so as to close the wiring hole, and connects the electric wires on both sides inside and outside the wall. A plurality of connection terminals to be arranged, the connection terminals are arranged in a horizontal row, and a packing divided in front of the connection terminals on the inner side of the wall is provided along the array of the connection terminals. Element. 分割した一方のパッキンの長手方向両端を軸支して回動自在に設けたことを特徴とする請求項１に記載の気密部材。 The airtight member according to claim 1 , wherein the airtight member is rotatably provided by pivotally supporting both longitudinal ends of one of the divided packings.
JP2007255187A 2007-09-28 2007-09-28 Airtight component of distribution board Active JP5035896B2 (en)

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JP6074665B2 (en) * 2014-02-19 2017-02-08 パナソニックＩｐマネジメント株式会社 Electric vacuum cleaner
CN104283125A (en) * 2014-10-29 2015-01-14 四川合创电器有限责任公司 Waterproof power distribution cabinet

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JP2001095113A (en) * 1999-09-22 2001-04-06 Kawamura Electric Inc Distribution board for house

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