JP6515506B2 - Alarm device - Google Patents

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JP6515506B2
JP6515506B2 JP2014240678A JP2014240678A JP6515506B2 JP 6515506 B2 JP6515506 B2 JP 6515506B2 JP 2014240678 A JP2014240678 A JP 2014240678A JP 2014240678 A JP2014240678 A JP 2014240678A JP 6515506 B2 JP6515506 B2 JP 6515506B2
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alarm device
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JP2016103124A (en
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高広 梅村
高広 梅村
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サクサ株式会社
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Description

本発明は、警報装置に関する。   The present invention relates to an alarm device.

従来、煙を検知するなどの警報装置が提案されている（特許文献１参照）。
特許文献１の警報装置では、内部に侵入した水を外部に排出させるために水抜き孔を設ける構造が開示されている。このように内部に侵入した水を外部に上手く排出することで、装置内部に設けられた基板等を保護している。 Conventionally, an alarm device for detecting smoke or the like has been proposed (see Patent Document 1).
In the alarm device of Patent Document 1, there is disclosed a structure in which a water draining hole is provided in order to drain water which has entered inside to the outside. Thus, the substrate etc. provided in the inside of an apparatus are protected by discharging | emitting the water which invaded inside to the exterior well.

特開２００３−２４８８７７号公報Unexamined-Japanese-Patent No. 2003-248877

しかしながら、上述のような警報装置においては、装置内の水抜きを要求される場合と、警報装置についての防水を要求される場合があり、水抜き構造を有する仕様と、防水構造を有する仕様を別々に製造する必要があった。   However, in the alarm device as described above, there are cases where drainage of water in the device is required, and cases where waterproofing of the alarm device is required, and there are specifications with a drainage structure and specifications with a waterproof structure. It had to be manufactured separately.

本発明は、上記問題点に鑑みなされたものであって、水抜きを有する仕様と防水を有する仕様を１つの筐体で実現可能な警報装置を提供することを目的とする。   This invention is made in view of the said problem, Comprising: It aims at providing the alarm device which can implement | achieve the specification which has drainage, and the specification which has water resistance with one housing | casing.

上記課題を解決するために、（１）本発明は、警報装置であって、検出部用開口が形成された第１ケースと、前記第１ケースと係合する第２ケースと、を備え、前記第２ケースが内部に侵入した水を外部へ排水する水抜き孔を有し、前記第１ケースと前記第２ケースは、前記水抜き孔が開放状態で係合される第１係合位置と、前記水抜き孔が閉塞状態で係合される第２係合位置とを有し、 前記第1の係合位置で係合するとき水抜き仕様を構成し、前記第２の係合位置で係合するとき防水仕様を構成する。 In order to solve the above-mentioned subject, the present invention is an alarm device, and it is provided with the 1st case by which the opening for detection parts was formed, and the 2nd case engaged with the 1st case, The second case has a water draining hole for draining water which has entered the inside to the outside, and the first case and the second case are in a first engagement position where the water draining hole is engaged in an open state when the water drain hole is closed and a second engagement position to be engaged by the closed state, constitutes a drain specification when engaged with the first engagement position, the second engagement position Make a waterproof specification when engaging with .

（２）上記（１）において、 前記第１ケースが、前記第２係合位置に対応して設けられる第１切り欠き部と、前記第１係合位置に対応して設けられ、前記第１切り欠き部より切り欠きが長い第２切り欠き部と、を有し、前記第１ケースと前記第２ケースの係合時に前記第２切り欠き部によって前記第１ケースに設けられた前記水抜き孔が開放状態となり、前記第１切り欠き部によって前記第１ケースに設けられた前記水抜き孔が閉塞状態となる。 (2) In the above (1), the first case is provided corresponding to a first notch portion provided corresponding to the second engagement position and corresponding to the first engagement position; The water draining provided in the first case by the second notch when the first case and the second case are engaged, the second case having the second notch whose notch is longer than the notch; The hole is opened, and the drain hole provided in the first case is closed by the first notch.

（３）上記（１）又は（２）において、前記第１ケース及び第２ケースの一方に設けられた係合部と、前記第１ケース及び第２ケースの他方に設けられ、前記係合部に係合される被係合部とを有する。
（４）上記（３）において、前記第１ケースと前記第２ケースが係合した状態で取り付けられるベース部材を有し、前記ベース部材が係合溝を有し、前記第２ケースに設けられた係合部が前記ベース部材の係合溝と係合する。 (3) In the above (1) or (2), the engaging portion provided in one of the first case and the second case, and the other of the first case and the second case, the engaging portion And an engaged portion engaged with the
(4) In the above (3), it has a base member attached in a state in which the first case and the second case are engaged, and the base member has an engaging groove and is provided in the second case The engaging portion engages with the engaging groove of the base member.

本発明によれば、水抜きを有する仕様と防水を有する仕様を１つの筐体で実現可能な警報装置を提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, the alarm device which can implement | achieve the specification which has drainage and the specification which has water resistance with one housing | casing can be provided.

本発明の実施形態に係る警報装置の分解斜視図及び斜視図である。They are an exploded perspective view and a perspective view of an alarm device concerning an embodiment of the present invention. （ａ）は水抜き孔が開放状態でケースとカバーが係合される第１係合位置での斜視図、（ｂ）は（ａ）の組み立て図、（ｃ）は水抜き孔が閉塞状態でケースとカバーが係合される第２係合位置での斜視図、（ｄ）は（ｂ）の組み立て図である。(A) is a perspective view at a first engagement position in which the case and the cover are engaged with the drainage hole open, (b) is an assembly drawing of (a), (c) is a closed drainage hole FIG. 7 is a perspective view in a second engagement position in which the case and the cover are engaged with each other, and FIG. （ａ）は本発明の実施形態に係る警報装置のケースの平面図、（ｂ）は正面図、（ｃ）は背面図、（ｄ）は左側面図、（ｅ）は右側面図である。(A) is a plan view of a case of an alarm device according to an embodiment of the present invention, (b) is a front view, (c) is a rear view, (d) is a left side view, and (e) is a right side view . （ａ）は本発明の実施形態に係る警報装置のカバーの平面図、（ｂ）は正面図、（ｃ）は背面図、（ｄ）は左側面図、（ｅ）は右側面図である。(A) is a plan view of a cover of an alarm device according to an embodiment of the present invention, (b) is a front view, (c) is a rear view, (d) is a left side view, and (e) is a right side view . （ａ）は本発明の実施形態に係る警報装置ケースとカバーを係合させて水抜き孔が開放状態としたときの平面図、（ｂ）は正面図、（ｃ）は背面図、（ｄ）は左側面図、（ｅ）は右側面図である。(A) is a plan view when the alarm case according to the embodiment of the present invention is engaged with the cover and the water draining hole is opened, (b) is a front view, (c) is a rear view, (d) ) Is a left side view, and (e) is a right side view. 図５（ａ）のＡ−Ａ断面図である。It is AA sectional drawing of Fig.5 (a). （ａ）は本発明の実施形態に係る警報装置のケースとカバーを係合させて水抜き孔を閉塞状態としたときの平面図、（ｂ）は正面図、（ｃ）は背面図、（ｄ）は左側面図、（ｅ）は右側面図である。(A) is a plan view when the case and the cover of the alarm device according to the embodiment of the present invention are engaged to make the drain hole closed, (b) is a front view, (c) is a rear view, d) is a left side view, and (e) is a right side view. 図７（ａ）のＢ−Ｂ断面図である。It is BB sectional drawing of Fig.7 (a).

以下、添付図面を参照して、本発明を実施するための形態（以下、実施形態）について詳細に説明する。なお、実施形態の説明の全体を通して同じ要素には同じ番号を付している。   Hereinafter, with reference to the accompanying drawings, modes (hereinafter, embodiments) for carrying out the present invention will be described in detail. In addition, the same number is attached | subjected to the same element through the whole description of embodiment.

図１は、本発明の実施形態に係る警報装置の斜視図であって、（ａ）は、本発明の実施形態に係る警報装置の水抜き孔が閉塞状態で係合される第２係合位置での分解斜視図、（ｂ）は本発明の実施形態に係る警報装置の水抜き孔が開放状態で係合される第１係合位置での分解斜視図、（ｃ）は本発明の実施形態に係る警報装置の組み立て状態の斜視図である。   FIG. 1 is a perspective view of an alarm device according to an embodiment of the present invention, wherein (a) is a second engagement in which the drainage hole of the alarm device according to the embodiment of the present invention is closed. (B) is an exploded perspective view of the alarm device according to the embodiment of the present invention in the first engagement position where the drainage hole is engaged in the open state, (c) is an exploded perspective view of the present invention It is a perspective view of the assembled state of the alarm device concerning an embodiment.

図２（ａ）は水抜き孔が開放状態でケースとカバーが係合される第１係合位置での斜視図、（ｂ）は（ａ）の組み立て図、（ｃ）は水抜き孔が閉塞状態でケースとカバーが係合される第２係合位置での斜視図、（ｄ）は（ｂ）の組み立て図である。図２（ａ）（ｃ）では視認しやすいよう基板４２を外して示している。   Fig.2 (a) is a perspective view in the 1st engagement position where a case and a cover are engaged in the state where a drainage hole is open, (b) is an assembly drawing of (a), (c) is a drainage hole The perspective view in the 2nd engagement position where a case and a cover are engaged in a closure state, (d) is an assembly drawing of (b). In FIG. 2 (a) and (c), the substrate 42 is shown removed for easy visual recognition.

図１及び図２に示すように、警報装置１は、煙等を検知するものであって、ケース１０、カバー２０及びベース部材３０を有する。ケース１０は煙を検知するセンサが搭載された基板４２を収容するものであって、レンズ用開口（検出部用開口）１３が形成されており、開口１３にレンズ４１が装着される。カバー２０はケース１０と係合するものであって、カバー２０には内部に侵入した水を外部へ排水するための水抜き孔２３ａが設けられている。また、カバー２０には水抜き孔２３ａに対応する位置に突起２１ａが設けられている。   As shown in FIGS. 1 and 2, the alarm device 1 detects smoke and the like, and includes a case 10, a cover 20 and a base member 30. The case 10 accommodates a substrate 42 on which a sensor for detecting smoke is mounted, and a lens opening (detection unit opening) 13 is formed, and the lens 41 is attached to the opening 13. The cover 20 is engaged with the case 10, and the cover 20 is provided with a drain hole 23a for draining water which has entered inside to the outside. Further, the cover 20 is provided with a projection 21a at a position corresponding to the drainage hole 23a.

ケース１０にはこの突起２１ａに対応させて第１切り欠き部１１ｂ及び第２切り欠き部１１ａが設けられている。第１切り欠き部１１ｂは第２係合位置に対応して設けられ、第２切り欠き部１１ａは第１係合位置に対応して設けられている。第２切り欠き部１１ａは、第１切り欠き部１１ｂよりも切り欠きが長く形成されている。第１切り欠き部１１ｂの周辺構造によってケース１０とカバー２０の係合時に水抜き孔２３ａが閉塞状態となり、第２切り欠き部１１ａによってカバー２０に設けられた水抜き孔２３が外部に露出されて開放状態となる。ケース１０とカバー２０の位置決めはケース１０に設けられた切り欠き部１２ａ及び１２ｂと、カバー２０に設けられた突起２２ａ〜２２ｄによって行われている。ケース１０とカバー２０は基板４２を介してネジ固定される。   The case 10 is provided with a first notch portion 11 b and a second notch portion 11 a corresponding to the protrusion 21 a. The first notch 11b is provided corresponding to the second engagement position, and the second notch 11a is provided corresponding to the first engagement position. The second notch portion 11 a is formed to have a longer notch than the first notch portion 11 b. The drain hole 23a is closed when the case 10 and the cover 20 are engaged due to the peripheral structure of the first notch portion 11b, and the water drain hole 23 provided in the cover 20 is exposed to the outside by the second notch portion 11a. It will be open. Positioning of the case 10 and the cover 20 is performed by the notches 12 a and 12 b provided in the case 10 and the protrusions 22 a to 22 d provided in the cover 20. The case 10 and the cover 20 are screwed through the substrate 42.

図１（ａ）に示すように、警報装置１に防水構造を持たせたい場合には、切り欠き部１２ｂの上側の周壁で水抜き孔２３ａを閉塞させた位置でケース１０とカバー２０を係合させる。図１（ｂ）に示すように、警報装置１に水抜き構造を持たせたい場合には、水抜き孔２３ａの位置を図１（ａ）のカバー２０の位置に対して、９０°時計回りに回転させた位置でケース１０とカバー２０を係合させることにより、水抜き孔２３ａは第２切り欠き部１１ａによって開放状態となる。   As shown in FIG. 1A, when it is desired to provide the alarm device 1 with a waterproof structure, the case 10 and the cover 20 are engaged at a position where the drainage hole 23a is closed by the upper peripheral wall of the notch 12b. Match. As shown in FIG. 1 (b), when the alarm device 1 is desired to have a drainage structure, the position of the drainage hole 23a is clockwise by 90 ° with respect to the position of the cover 20 of FIG. 1 (a). By engaging the case 10 and the cover 20 at the rotated position, the drain hole 23a is opened by the second notch 11a.

ベース部材３０には内部に端子台等が設けられており、カバー２０の突起２２ａ〜２２ｄに対応させて係合溝３１が形成されている。
ケース１０とカバー２０を係合させた状態でカバー２０の突起２２ａ〜２２ｄをベース部材３０の係合溝３１に係合させて回転させることにより、カバー２０がベース部材３０に装着される。ベース部材３０の紙面反対側に設けられた取付構造（不図示）を天井等に取り付けることにより、警報装置１を天井等に取り付けることができる。 A terminal block or the like is provided inside the base member 30, and an engagement groove 31 is formed corresponding to the projections 22 a to 22 d of the cover 20.
The cover 20 is mounted on the base member 30 by engaging the protrusions 22 a to 22 d of the cover 20 with the engagement grooves 31 of the base member 30 and rotating the case 10 and the cover 20 in a state where the case 10 and the cover 20 are engaged. The alarm device 1 can be attached to the ceiling or the like by attaching the attachment structure (not shown) provided on the paper surface opposite side of the base member 30 to the ceiling or the like.

図３（ａ）は、本発明の実施形態に係る警報装置のケースの平面図、（ｂ）は正面図、（ｃ）は背面図、（ｄ）は左側面図、（ｅ）は右側面図である。
図３に示すように、ケース１０は円形状の基部１０ａと、この基部１０ａの中心付近にはレンズ４１が装着されるレンズ用の開口１３が設けられている。ケース１０は基部１０ａの外周に沿って延びる周壁１５が形成され、概略カップ形状を有する。基部１０ａには基板４２に固定するためのネジ孔１６が設けられている。周壁１５には３種類の切り欠きとして、第１切り欠き部１１ｂ、第２切欠き部１１ａ、切り欠き部１２ａ〜１２ｄが設けられている。 Fig.3 (a) is a top view of the case of the alarm device which concerns on embodiment of this invention, (b) is a front view, (c) is a back view, (d) is a left view, (e) is a right side. FIG.
As shown in FIG. 3, the case 10 is provided with a circular base 10 a and an opening 13 for a lens to which a lens 41 is attached near the center of the base 10 a. The case 10 is formed with a peripheral wall 15 extending along the outer periphery of the base 10a and has a substantially cup shape. The base 10 a is provided with screw holes 16 for fixing to the substrate 42. The peripheral wall 15 is provided with a first notch 11b, a second notch 11a, and notches 12a to 12d as three types of notches.

図４（ａ）は、本発明の実施形態に係る警報装置のカバーの平面図、（ｂ）は正面図、（ｃ）は背面図、（ｄ）は左側面図、（ｅ）は右側面図である。図４に示すように、カバー２０は円形状の基部２０ａと、この基部２０ａの外周に沿ってケース１０との装着方向に延びる周壁２７を有する。基部２０ａの周壁２７が形成されている側とは反対側には外部から内部に入った水を受ける皿部２４が形成されている。皿部２４で溜まった水は、排水溝２５ａ、２５ｂを通って外部へ放出される。排水溝２５ａ及び２５ｂの先端には水抜き孔２３ａが形成されている。   4 (a) is a plan view of the cover of the alarm device according to the embodiment of the present invention, (b) is a front view, (c) is a rear view, (d) is a left side view, and (e) is a right side FIG. As shown in FIG. 4, the cover 20 has a circular base 20 a and a peripheral wall 27 extending in the mounting direction with the case 10 along the outer periphery of the base 20 a. On the side opposite to the side on which the peripheral wall 27 of the base portion 20a is formed, a plate portion 24 for receiving water that has entered the inside from the outside is formed. Water accumulated in the tray 24 is discharged to the outside through the drainage grooves 25a, 25b. A drainage hole 23a is formed at the tip of the drainage grooves 25a and 25b.

カバー２０には水抜き孔２３ａの延長上に突起２１ａが設けられており、この突起２１ａは、ケース１０の第２切り欠き部１１ａ及び第１切り欠き部１１ｂに係合される。カバー２０の突起２１ａがケース１０の第２切り欠き部１１ａと係合される場合、水抜き孔２３ａが開放状態となり、カバー２０の突起２１ａが第１切り欠き部１１ｂと係合される場合は、水抜き孔２３ａが閉塞状態となる。また、カバー２０には、９０°の間隔でケース１０の切り欠き部１２ａ〜１２ｄと係合する突起２２ａ〜２２ｄが設けられている。   The cover 20 is provided with a protrusion 21a on the extension of the drain hole 23a, and the protrusion 21a is engaged with the second notch 11a and the first notch 11b of the case 10. When the protrusion 21a of the cover 20 is engaged with the second notch 11a of the case 10, the drain hole 23a is opened and when the protrusion 21a of the cover 20 is engaged with the first notch 11b: The water drain holes 23a are closed. Further, the cover 20 is provided with protrusions 22a to 22d which engage with the notch portions 12a to 12d of the case 10 at an interval of 90 °.

図５は、図２（ｂ）を紙面反対側から見た図であって、（ａ）は、本発明の実施形態に係る警報装置のケースとカバーを係合させて水抜き孔が開放されている状態の平面図、（ｂ）は正面図、（ｃ）は背面図、（ｄ）は左側面図、（ｅ）は右側面図である。図６は、図５（ａ）のＡ−Ａ断面図である。   FIG. 5 is a view of FIG. 2 (b) viewed from the opposite side of the drawing, where (a) is a case where a case and a cover of the alarm device according to the embodiment of the present invention are engaged. (B) is a front view, (c) is a rear view, (d) is a left side view, and (e) is a right side view. FIG. 6 is a cross-sectional view taken along line A-A of FIG.

図５及び図６に示すように、カバー２０の突起２１ａをケース１０の第２切り欠き部１１ａの位置に係合させると、第２切り欠き部１１ａは、水抜き孔２３ａの位置まで切りかかれているため、水抜き孔２３ａが外部へ露出する状態となる。これにより、カバー２０の皿部２４に溜まった水は、排水溝２５ａ及び２５ｂを通り、水抜き孔２３ａを介して外部へ排水される。水抜き孔２３ａが外部に露出しているため、外部から水が浸入する可能性がある。   As shown in FIGS. 5 and 6, when the projection 21a of the cover 20 is engaged with the position of the second notch portion 11a of the case 10, the second notch portion 11a is cut to the position of the drainage hole 23a. Therefore, the water draining hole 23a is exposed to the outside. As a result, the water collected in the plate portion 24 of the cover 20 passes through the drainage grooves 25a and 25b and is drained to the outside through the drainage hole 23a. Since the drainage hole 23a is exposed to the outside, water may infiltrate from the outside.

図７は、図２（ｄ）を紙面反対側から見た図であって、（ａ）は、本発明の実施形態に係る警報装置のケースとカバーを係合させて水抜き孔を閉塞状態としたときの平面図、（ｂ）は正面図、（ｃ）は背面図、（ｄ）は左側面図、（ｅ）は右側面図である。図８は、図７（ａ）のＢ−Ｂ断面図である。   FIG. 7 is a view of FIG. 2 (d) as viewed from the opposite side of the drawing, where (a) is a state in which the water draining hole is closed by engaging the case and the cover of the alarm device according to the embodiment of the present invention (B) is a front view, (c) is a rear view, (d) is a left side view, and (e) is a right side view. FIG. 8 is a cross-sectional view taken along the line B-B in FIG.

図７及び図８に示すように、カバー２０の突起２１ａをケース１０の第１切り欠き１１ｂの位置に係合させると、第１切り欠き部１１ｂは、水抜き孔２３ａの位置まで切りかかれていないため、水抜き孔２３ａは、周壁２７によって外部に露出しない。このため、水抜き孔２３ａから外部から水が内部に侵入することを防ぐことができる。   As shown in FIGS. 7 and 8, when the protrusion 21a of the cover 20 is engaged with the position of the first notch 11b of the case 10, the first notch 11b is cut to the position of the water drain hole 23a. Because there is not, the drainage hole 23 a is not exposed to the outside by the peripheral wall 27. For this reason, it is possible to prevent water from invading from the outside through the drain hole 23a.

本発明の実施形態によれば、ケース１０とカバー２０の係合位置において、水抜き孔２３ａが開放状態で係合される第１係合位置と、水抜き孔２３ａが閉塞状態で係合される第２係合位置とを設けることによって、水抜き構造を有する仕様と防水構造を有する仕様を１つの筐体で実現できた。   According to the embodiment of the present invention, in the engagement position between the case 10 and the cover 20, the first engagement position where the drainage hole 23a is engaged in the open state and the drainage hole 23a is engaged in the closed state By providing the second engagement position, it is possible to realize the specifications having the water draining structure and the specifications having the waterproof structure in one case.

以上、実施形態を用いて本発明を説明したが、本発明の技術的範囲は上記実施形態に記載の範囲には限定されないことは言うまでもない。上記実施形態に、多様な変更または改良を加えることが可能であることが当業者に明らかである。また、その様な変更または改良を加えた形態も本発明の技術的範囲に含まれ得ることが、特許請求の範囲の記載から明らかである。尚、カバー２０に設けられた突起２１ａ、突起２２ａ〜２２ｄが係合部に相当し、ケース１０に設けられた第２切り欠き部１１ａ、第１切り欠き部１１ｂ、１２ａ〜１２ｄが被係合部に相当する。   Although the present invention has been described above using the embodiment, it goes without saying that the technical scope of the present invention is not limited to the scope described in the above embodiment. It will be apparent to those skilled in the art that various changes or modifications can be added to the above embodiment. It is also apparent from the scope of the claims that the embodiments added with such alterations or improvements can be included in the technical scope of the present invention. The projections 21a and the projections 22a to 22d provided on the cover 20 correspond to the engaging portions, and the second notch 11a and the first notches 11b and 12a to 12d provided on the case 10 are engaged. It corresponds to the department.

１ 警報装置
１０ ケース（第１ケース）
１０ａ 基部
１１ａ 第２切り欠き部
１１ｂ 第１切り欠き部
１２ａ、１２ｂ 切り欠き部
１３ レンズ用開口
１５ 周壁
２０ カバー（第２ケース）
２１ａ 突起
２２ａ〜２２ｄ 突起
２３ａ 水抜き孔
２４ 皿部
２５ａ、２５ｂ 排水溝
３０ ベース部材
３１ 係合溝
４１ レンズ 1 Alarm device 10 case (first case)
DESCRIPTION OF SYMBOLS 10a base 11a 2nd notch 11b 1st notch 12a, 12b notch 13 opening for lenses 15 peripheral wall 20 cover (2nd case)
21a Protrusions 22a to 22d Protrusions 23a Water drainage holes 24 Plates 25a, 25b Drain groove 30 Base member 31 Engagement groove 41 Lens

Claims (4)

警報装置であって、
検出部用開口が形成された第１ケースと、
前記第１ケースと係合する第２ケースと、を備え、
前記第２ケースが内部に侵入した水を外部へ排水する水抜き孔を有し、
前記第１ケースと前記第２ケースは、前記水抜き孔が開放状態で係合される第１係合位置と、前記水抜き孔が閉塞状態で係合される第２係合位置とを有し、
前記第1の係合位置で係合するとき水抜き仕様を構成し、前記第２の係合位置で係合するとき防水仕様を構成することを特徴とする警報装置。
An alarm device,
A first case in which an opening for detection unit is formed;
And a second case engaged with the first case,
The second case has a drain hole for draining the water which has entered inside to the outside,
The first case and the second case have a first engagement position in which the drain hole is engaged in an open state, and a second engagement position in which the drain hole is engaged in a closed state. And
An alarm device comprising: a drainage specification when engaging in the first engagement position; and a waterproof specification when engaging in the second engagement position .
前記第１ケースが、
前記第２係合位置に対応して設けられる第１切り欠き部と、
前記第１係合位置に対応して設けられ、前記第１切り欠き部より切り欠きが長い第２切り欠き部と、を有し、
前記第１ケースと前記第２ケースの係合時に前記第２切り欠き部によって前記第１ケースに設けられた前記水抜き孔が開放状態となり、前記第１切り欠き部によって前記第１ケースに設けられた前記水抜き孔が閉塞状態となることを特徴とする請求項１に記載の警報装置。 The first case is
A first notch provided corresponding to the second engagement position;
And a second notch portion provided corresponding to the first engagement position, the notch being longer than the first notch portion,
When the first case and the second case are engaged, the drain hole provided in the first case is opened by the second notch portion, and provided in the first case by the first notch portion. The alarm device according to claim 1, wherein the drain hole is closed. 前記第１ケース及び第２ケースの一方に設けられた係合部と、
前記第１ケース及び第２ケースの他方に設けられ、前記係合部に係合される被係合部と、
を有することを特徴とする請求項１又は請求項２に記載の警報装置。 An engagement portion provided on one of the first case and the second case;
An engaged portion provided on the other of the first case and the second case and engaged with the engaging portion;
The alarm device according to claim 1 or 2, characterized in that 前記第１ケースと前記第２ケースが係合した状態で取り付けられるベース部材を有し、
前記ベース部材が係合溝を有し、
前記第２ケースに設けられた係合部が前記ベース部材の係合溝と係合することを特徴とする請求項３に記載の警報装置。 It has a base member attached in the state which said 1st case and said 2nd case engaged,
The base member has an engagement groove,
The alarm device according to claim 3, wherein an engagement portion provided in the second case engages with an engagement groove of the base member.
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