JPH044315Y2 - - Google Patents
Info
- Publication number
- JPH044315Y2 JPH044315Y2 JP1985129056U JP12905685U JPH044315Y2 JP H044315 Y2 JPH044315 Y2 JP H044315Y2 JP 1985129056 U JP1985129056 U JP 1985129056U JP 12905685 U JP12905685 U JP 12905685U JP H044315 Y2 JPH044315 Y2 JP H044315Y2
- Authority
- JP
- Japan
- Prior art keywords
- gutter
- lid
- wall
- cover
- upper edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 230000002093 peripheral effect Effects 0.000 claims description 12
- 238000001514 detection method Methods 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- 239000000779 smoke Substances 0.000 description 4
- 230000005494 condensation Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Description
【考案の詳細な説明】
産業上の利用分野
本考案は、光電式やイオン化式煙感知器などの
火災感知器に関するもので、特に火災感知器のケ
ースに関するものである。[Detailed Description of the Invention] Industrial Application Field The present invention relates to a fire detector such as a photoelectric smoke detector or an ionization smoke detector, and particularly relates to a case of a fire detector.
従来の技術
火災感知器の火災感知部や回路部は、ケースの
中に収容されているが、このケースは蓋部とカバ
ー部により構成されている。BACKGROUND OF THE INVENTION A fire detection section and a circuit section of a fire detector are housed in a case, and this case is composed of a lid section and a cover section.
ところで、火災感知器を天井などに設置してお
くと、気温や温度などの変化により空気中の水蒸
気が凝縮し、その水滴が蓋部の底壁の上面に溜ま
るので、この水滴の排水口が必要である。 By the way, if a fire detector is installed on the ceiling, water vapor in the air will condense due to changes in temperature, and the water droplets will accumulate on the top surface of the bottom wall of the lid, so the drain port for these water droplets will be closed. is necessary.
又、火災感知器は、点検や掃除などの為蓋部と
カバー部を分離するので、これらは容易に着脱で
きることが必要である。 Further, since the lid and cover of the fire detector are separated for inspection, cleaning, etc., it is necessary that these can be easily attached and detached.
従来の排水口は、蓋部の底壁上部の側壁を切り
欠いて形成されている。 A conventional drain port is formed by cutting out the side wall at the top of the bottom wall of the lid.
又、蓋部とカバー部の着脱は、両部に設けた係
合部を係合せしめたり、又は、解除せしめたりす
ることにより行なつている。 Further, the lid part and the cover part are attached and detached by engaging or disengaging engaging parts provided on both parts.
考案が解決しようとする問題点
従来の火災感知器では、排水口が蓋部の底壁上
部の側壁に設けられているので、人目につき、感
知器の美感が損われる。Problems to be Solved by the Invention In conventional fire detectors, the drain port is provided on the side wall at the top of the bottom wall of the lid, which attracts people's attention and detracts from the aesthetic appearance of the detector.
又、蓋部とカバー部の係合部に回り止めがない
ので、感知器を天井面のベースに取り付けたり、
取り外したりする時に係合が解除され、両者が分
離することがある。 Also, since there is no rotation stopper in the engagement part between the lid and cover, it is difficult to attach the sensor to the base on the ceiling,
When it is removed, the engagement may be released and the two may separate.
本考案は上記事情に鑑み、美感の向上を図ると
共に天井などへの着脱時に蓋部とカバー部が分離
するのを防止することを目的とする。 In view of the above circumstances, it is an object of the present invention to improve the aesthetic appearance and to prevent the lid part and the cover part from separating when being attached to or removed from a ceiling or the like.
問題点を解決するための手段
本考案は、内部に火災感知部や回路部などを収
容するケースが、カバー部と蓋部とで構成されて
いる火災感知器において、蓋部に、その周縁部分
に、筒状の樋部を設け、カバー部には、その上縁
部分に、樋部に挿入される突柱を設けるととも
に、蓋部の周壁内面にほぼ当接し、かつ、樋部に
対応する部分は、樋部の外壁に当接するように凹
状に形成された環状立壁を設け、突柱に樋部の上
縁または係合部と係合する係合部を設け、又、前
記蓋部の環状立壁の下端とカバー部の上縁部分と
の間に隙間を設けたことを特徴とする火災感知器
のカバーである。Means for Solving the Problems The present invention provides a fire detector in which a case that houses a fire sensing part, a circuit part, etc. is composed of a cover part and a lid part, and the peripheral part of the case is made up of a cover part and a lid part. is provided with a cylindrical gutter portion, and the cover portion is provided with a protrusion inserted into the gutter portion on its upper edge portion, and substantially abuts the inner surface of the peripheral wall of the lid portion and corresponds to the gutter portion. The part is provided with an annular standing wall formed in a concave shape so as to come into contact with the outer wall of the gutter part, and the projecting column is provided with an engaging part that engages with the upper edge of the gutter part or the engaging part. This cover for a fire detector is characterized in that a gap is provided between the lower end of the annular standing wall and the upper edge portion of the cover part.
作 用
天井などに配設された火災感知器の蓋部の底壁
上面に結露などによる水滴が溜まると、その水滴
は樋部の内壁を伝わりながらカバー部の上縁部分
に落下し、該上縁部分と蓋部の下端の隙間から器
外に排出される。Function When water droplets due to condensation accumulate on the top surface of the bottom wall of the lid of a fire detector installed on the ceiling, etc., the water droplets fall to the upper edge of the cover while traveling along the inner wall of the gutter, and It is discharged outside the vessel through the gap between the edge and the lower end of the lid.
又、樋部の内壁とカバー部の突柱は、係脱自在
在であるが、この突柱は樋部内でしか動くことが
できないので、カバー部と蓋部との回り止めとし
て機能する。 Further, the inner wall of the gutter section and the protruding column of the cover section can be freely engaged and disengaged, but since this protruding column can only move within the gutter section, it functions as a rotation stopper between the cover section and the lid section.
実施例
本考案の一実施例を添附図面により説明する
が、同一図面符号は、その名称も機能も同一であ
る。Embodiment An embodiment of the present invention will be described with reference to the accompanying drawings, where the same reference numerals have the same names and functions.
第１図において、１１は火災感知器で、例えば
光電式煙感知器である。 In FIG. 1, 11 is a fire detector, for example a photoelectric smoke detector.
この火災感知器１１は、蓋部１２とカバー部１
３とからなるケース１４を有し、このケース１４
の中には火災感知部１５と回路部１６が収容され
ている。 This fire detector 11 includes a lid part 12 and a cover part 1.
This case 14 has a case 14 consisting of
A fire sensing section 15 and a circuit section 16 are housed inside.
蓋部１２には、円筒状の周壁１７と、該周壁１
７と接続する底壁１８と、筒状の樋部１９とが設
けられているが、底壁１８は中央部が高く、その
周部は、周壁１７に向つて下方に傾斜している。 The lid portion 12 includes a cylindrical peripheral wall 17 and a peripheral wall 1.
7 and a cylindrical gutter portion 19 are provided, the bottom wall 18 is high at the center and its peripheral portion is inclined downward toward the peripheral wall 17.
樋部１９は、蓋部１２の周縁部分に設けられ、
その上端は底壁１８の上面に開口し、その下端
は、周壁１７のほぼ下端まで伸びており、又樋部
１９の内壁１９ａには段状の係合部２１が形成成
されている。 The gutter section 19 is provided at the peripheral portion of the lid section 12,
Its upper end opens on the upper surface of the bottom wall 18, and its lower end extends almost to the lower end of the peripheral wall 17, and a stepped engagement part 21 is formed on the inner wall 19a of the gutter part 19.
カバー部１３の上縁部分２２には、樋部１９に
挿入される突柱２３と、環状立壁２５が形成され
ている。 The upper edge portion 22 of the cover portion 13 is formed with a protrusion 23 to be inserted into the gutter portion 19 and an annular standing wall 25.
突柱２３は、樋部１９の長さより長くその頭部
には樋部１９の係合部２１と係合する鉤状の係合
部２６が形成されている。 The protruding column 23 is longer than the length of the gutter portion 19, and has a hook-shaped engaging portion 26 formed at its head to engage with the engaging portion 21 of the gutter portion 19.
環状立壁２５は、蓋部１２の周壁内面１７ａに
ほぼ当接し、かつ、樋部１９に対応する部分が樋
部１９の外壁１９ｂに当接するように凹状に形成
されている。 The annular standing wall 25 is formed in a concave shape so that it substantially contacts the inner surface 17a of the peripheral wall of the lid portion 12, and a portion corresponding to the gutter portion 19 abuts the outer wall 19b of the gutter portion 19.
樋部１７に対応する部分の上縁部分２２は、外
方に向つて下方に傾斜しており、かつ、樋部１９
の下端との間には排水用の隙間２４が形成されて
いる。 The upper edge portion 22 of the portion corresponding to the gutter portion 17 is inclined outwardly and downwardly, and the gutter portion 19
A gap 24 for drainage is formed between the lower end of the holder and the lower end of the holder.
なお図において、２７は、天井などのベースと
係合する取付金具、２８は煙流通口である。 In the figure, 27 is a mounting bracket that engages with a base such as a ceiling, and 28 is a smoke outlet.
本実施例の作動につき説明すると、蓋部１２の
周壁内面１７ａおよび樋部１９の外壁１９ｂに環
状立壁２５が当接するようにしながらカバー部１
３の突柱２３を樋部１９に挿入すると、突柱２３
は弾性変形しながらその頭部を底壁上に突出さ
せ、鉤状の係合部２６は樋部１９の段状の係合部
２１と係合し、両者は固定される。 To explain the operation of this embodiment, the annular vertical wall 25 is in contact with the inner surface 17a of the circumferential wall of the lid part 12 and the outer wall 19b of the gutter part 19, and the cover part 1 is
When the protruding post 23 of No. 3 is inserted into the gutter part 19, the protruding post 23
causes its head to protrude onto the bottom wall while being elastically deformed, and the hook-shaped engaging portion 26 engages with the stepped engaging portion 21 of the gutter portion 19, and both are fixed.
この状態で、脱着器を用いて、天井などのベー
スに火災感知器１１の取付金具２７を係合せしめ
て固定するが、この際、カバー部１３が回転して
もその回転は樋部内に位置する突柱２３により阻
止される。 In this state, the mounting bracket 27 of the fire detector 11 is engaged and fixed to a base such as a ceiling using a detacher, but at this time, even if the cover part 13 rotates, the rotation is located within the gutter part. This is blocked by the projecting pillar 23.
即ち、樋部１９の幅Ｌは、係合部２１，２６の
幅1，2よりやや大きく形成されているのでカ
バー部１３が回転することがあるが、幅Ｌ−幅
２の距離だけ移動すると突柱２３の側面が樋部内
壁１９ａと接触しその移動を阻止される。この時
の移動距離は係合部２１，２６の幅1，2より
短いので、この回転により係合が解除されること
はない。 That is, since the width L of the gutter part 19 is formed to be slightly larger than the widths 1 and 2 of the engaging parts 21 and 26, the cover part 13 may rotate, but the width L - the width
When the protrusion 23 moves by a distance of 2 , the side surface of the protrusion 23 comes into contact with the inner wall 19a of the gutter portion, and its movement is blocked. Since the moving distance at this time is shorter than the widths 1 and 2 of the engaging portions 21 and 26, the engagement will not be released due to this rotation.
又点検などのために、脱着器を用いて天井など
のベースから火災感知器１１を取り外す場合も、
上述の理由により樋部の係合部２１と突柱の係合
部２６との係合が解除されず、従つて、両者が分
離する事故が生ずることはない。 Also, when removing the fire detector 11 from a base such as a ceiling using a detacher for inspection etc.,
Due to the above-mentioned reason, the engagement between the engagement part 21 of the gutter and the engagement part 26 of the protrusion is not released, and therefore, there is no possibility that the two will separate.
火災感知器１１のケース１４を開く際には底壁
上方に突出している突柱２３の頭部を、内方に向
かつて、指で押すと、係合部２１，２６の係合が
解除され蓋部１２とカバー部１３は分離される。 When opening the case 14 of the fire detector 11, the head of the protrusion 23 protruding above the bottom wall is pushed inward with a finger, and the engagement parts 21 and 26 are disengaged. The lid part 12 and the cover part 13 are separated.
この時指の代わりにドライバーなどの工具を用
いてもよいが、樋部内に工具を挿入しても、工具
は樋部の筒状壁によりケース１４の中に侵入する
のを阻止される。従つて、工具によりケース内の
火災感知部１５や回路部１６が損傷を受けること
はない。 At this time, a tool such as a screwdriver may be used instead of a finger, but even if the tool is inserted into the gutter, the tool is prevented from entering the case 14 by the cylindrical wall of the gutter. Therefore, the fire sensing section 15 and the circuit section 16 inside the case will not be damaged by the tool.
又、蓋部１２の底壁１８の上面に結露などによ
つて溜まる水は、樋部１９の内壁を伝わつて落下
し、カバー部１３の上縁部分２２に至るが、この
水は上縁部分２２と樋部１９の下端との隙間２４
から落下し、器外に排水される。 Further, water that accumulates on the upper surface of the bottom wall 18 of the lid part 12 due to dew condensation or the like falls along the inner wall of the gutter part 19 and reaches the upper edge part 22 of the cover part 13; Gap 24 between 22 and the lower end of the gutter section 19
It falls from the container and is drained outside the container.
この時、樋部１９の外壁１９の外壁１９ｂと、
環状立壁２５は面接接触しているので、樋部１９
の内壁を伝わつて流下する水滴がケース内に侵入
することはない。 At this time, the outer wall 19b of the outer wall 19 of the gutter portion 19,
Since the annular standing wall 25 is in face-to-face contact, the gutter portion 19
Water droplets flowing down the inner wall of the case do not enter the case.
また、上記実施例では樋部１９の内壁１９ａに
係合部２１を設けるようにしたが、突柱２３に設
けた係合部２６を例えば、内側に向け樋部１９の
上縁と係合させるようにしてもよい。 Further, in the above embodiment, the engaging portion 21 is provided on the inner wall 19a of the gutter portion 19, but the engaging portion 26 provided on the protrusion 23 is, for example, directed inward and engaged with the upper edge of the gutter portion 19. You can do it like this.
考案の効果
本考案は以上のように構成したので、底壁上面
に溜まる水滴は樋部を介して蓋部とカバー部との
隙間から排水される。Effects of the Invention Since the present invention is configured as described above, water droplets that accumulate on the upper surface of the bottom wall are drained from the gap between the lid part and the cover part through the gutter part.
従つて、従来例のように蓋部の側部に切り欠き
を形成する必要がないので、ケースの周面は平滑
面となり、感知器の美感は向上する。 Therefore, unlike the conventional example, there is no need to form a notch on the side of the lid, so the circumferential surface of the case becomes a smooth surface, improving the aesthetic appearance of the sensor.
又、カバー部の上縁部分に樋部に挿入される突
柱を設け、この突柱に樋部の係合部と係合する係
合部を設けたので、両係合部が係合している時
は、突柱は樋部内でしか動かずカバー部と蓋部と
の回り止めとして機能する。 In addition, a protrusion that is inserted into the gutter is provided on the upper edge of the cover, and an engaging portion that engages with the engaging portion of the gutter is provided on this protrusion, so that both engaging portions engage with each other. When the gutter is closed, the protruding pillar moves only within the gutter and functions as a rotation stopper between the cover and the lid.
従つて、火災感知器を天井などのベースに取り
付けたり取り外したりする際に、カバー部と蓋部
が分離する事故を防止することができる。 Therefore, when the fire detector is attached to or removed from a base such as a ceiling, it is possible to prevent an accident in which the cover part and the lid part become separated.
第１図は本考案の実施例を示す縦断面図、第２
図は、平面図、第３図、第４図は、第１図の要部
を示す図で、第３図は蓋部の縦断面図、第４図は
カバー部の縦断面図である。
１１……火災感知器、１２……蓋部、１３……
カバー部、１４……ケース、１５……火災感知
部、１６……回路部、１７……周壁、１８……底
壁、１９……樋部、２１，２６……係合部、２２
……上縁部分、２３……突柱、２５……環状立
壁。
Fig. 1 is a vertical sectional view showing an embodiment of the present invention;
3 is a plan view, FIGS. 3 and 4 are views showing the main parts of FIG. 1, FIG. 3 is a longitudinal sectional view of the lid, and FIG. 4 is a longitudinal sectional view of the cover. 11... Fire detector, 12... Lid, 13...
Cover part, 14... Case, 15... Fire sensing part, 16... Circuit part, 17... Peripheral wall, 18... Bottom wall, 19... Gutter part, 21, 26... Engaging part, 22
... Upper edge part, 23 ... Projection pillar, 25 ... Annular standing wall.
Claims (1)
が、カバー部と蓋部とで構成される火災感知器に
おいて、蓋部に、その周縁部分に筒状の樋部を設
け、カバー部には、その上縁部分に、樋部に挿入
される突柱を設けるとともに、蓋部の周壁内面に
ほぼ当接し、かつ、樋部に対応する部分は樋部の
外壁に当接するように凹状に形成された環状立壁
を設け、突柱に樋部の上縁または係合部と係合す
る係合部を設け、又、前記蓋部の環状立壁の下端
とカバー部の上縁部分との間に隙間を設けたこと
を特徴とする火災感知器のケース。 In a fire detector in which a case that houses a fire detection part and a circuit part inside is composed of a cover part and a lid part, the lid part is provided with a cylindrical gutter part at its peripheral part, and the cover part has a cylindrical gutter part. The upper edge part is provided with a protruding pillar that is inserted into the gutter part, and the part that corresponds to the gutter part is formed in a concave shape so that it almost contacts the inner surface of the peripheral wall of the lid part, and the part corresponding to the gutter part comes into contact with the outer wall of the gutter part. an annular standing wall is provided, an engaging part is provided on the protruding pillar to engage with the upper edge of the gutter part or the engaging part, and there is a gap between the lower end of the annular standing wall of the lid part and the upper edge part of the cover part. A fire detector case characterized by being provided with.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985129056U JPH044315Y2 (en) | 1985-08-24 | 1985-08-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985129056U JPH044315Y2 (en) | 1985-08-24 | 1985-08-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6237392U JPS6237392U (en) | 1987-03-05 |
| JPH044315Y2 true JPH044315Y2 (en) | 1992-02-07 |
Family
ID=31025288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985129056U Expired JPH044315Y2 (en) | 1985-08-24 | 1985-08-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH044315Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6667160B2 (en) * | 2016-09-16 | 2020-03-18 | パナソニックＩｐマネジメント株式会社 | Fire detector base and fire detector |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912717U (en) * | 1982-07-16 | 1984-01-26 | ダイキヨ−・ベバスト株式会社 | vehicle roof window |
| JPS59163693A (en) * | 1983-03-07 | 1984-09-14 | エムハ−ト・インダストリ−ズ・インコ−ポレ−テツド | Sensor assembly |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5673094U (en) * | 1979-11-06 | 1981-06-16 |
-
1985
- 1985-08-24 JP JP1985129056U patent/JPH044315Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5912717U (en) * | 1982-07-16 | 1984-01-26 | ダイキヨ−・ベバスト株式会社 | vehicle roof window |
| JPS59163693A (en) * | 1983-03-07 | 1984-09-14 | エムハ−ト・インダストリ−ズ・インコ−ポレ−テツド | Sensor assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6237392U (en) | 1987-03-05 |
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