JPH0382486U - - Google Patents
Info
- Publication number
- JPH0382486U JPH0382486U JP14415789U JP14415789U JPH0382486U JP H0382486 U JPH0382486 U JP H0382486U JP 14415789 U JP14415789 U JP 14415789U JP 14415789 U JP14415789 U JP 14415789U JP H0382486 U JPH0382486 U JP H0382486U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- circuit board
- printed circuit
- mounting screw
- fire detector
- 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.)
- Granted
Links
- 238000003780 insertion Methods 0.000 claims description 4
- 230000037431 insertion Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 2
- 241000238631 Hexapoda Species 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図は本考案実施例の縦断面図、第２図は電
子部品と回路パターンを省略したプリント基板の
下面図、第３図のＡ，Ｂ，Ｃは本体の外観説明図
で、Ａは上面図、ＢはＡの側面図、ＣはＢの下面
図、第４図は第１図の要部の拡大説明図である。
図において、１……本体、２……筺体、３……
収容室、１１……取付ネジ、１２……フランジ、
１３……挿通孔、１４……段部、１５……フツク
、１６……キヤツプ、１７……ガイド壁、２０…
…プリント基板、２１……回路素子、２２……ナ
ツト、２３……貫通孔、２４……折曲片、２５…
…導出孔、２６……隙間、２７……締付け面、２
９……確認灯、３０……暗箱、３１……光学台、
３２……光学台カバー、３３……凹部、３４……
突起鍔、３６……鍵形爪、３７……投光素子、３
８……受光素子、４５……防虫網、４６……本体
１のカバー、４７……空気の流通口、４８……引
掛片、４９……挿入穴である。
Fig. 1 is a vertical cross-sectional view of the embodiment of the present invention, Fig. 2 is a bottom view of the printed circuit board with electronic components and circuit patterns omitted, and Fig. 3 A, B, and C are explanatory views of the external appearance of the main body. B is a top view, B is a side view of A, C is a bottom view of B, and FIG. 4 is an enlarged explanatory view of the main part of FIG. 1. In the figure, 1... main body, 2... housing, 3...
Containment chamber, 11...Mounting screw, 12...Flange,
13...Insertion hole, 14...Step, 15...Hook, 16...Cap, 17...Guide wall, 20...
...Printed circuit board, 21...Circuit element, 22...Nut, 23...Through hole, 24...Bend piece, 25...
...Outlet hole, 26...Gap, 27...Tightening surface, 2
9...Confirmation light, 30...Dark box, 31...Optical bench,
32...Optical bench cover, 33...Recess, 34...
Projection flange, 36... Key-shaped claw, 37... Light emitting element, 3
8... Light receiving element, 45... Insect screen, 46... Cover of main body 1, 47... Air circulation port, 48... Hooking piece, 49... Insertion hole.
Claims (1)
置され内部に形成される収容室内に回路素子を収
容するプリント基板と、前記筺体の挿通孔に挿通
され頭部を露出している取付ネジと、該取付ネジ
に螺合して前記プリント基板に固定されたナツト
とを有する本体を具備する火災感知器において、 前記取付ネジとナツトの螺合に伴う前記挿通孔
の回りの締付け面を密に形成して密着させてなる
本体を備えたことを特徴とする火災感知器。 (2) 取付ネジは入出力端子を兼ねているもので
ある請求項(1)記載の火災感知器。[Scope of Claim for Utility Model Registration] (1) A cylindrical housing with a lid, a printed circuit board that accommodates a circuit element in a housing chamber formed inside and arranged on the open surface of the housing, and a printed circuit board that is inserted into an insertion hole of the housing. A fire detector comprising a main body having a mounting screw whose head is exposed and a nut screwed into the mounting screw and fixed to the printed circuit board, A fire detector comprising a main body in which a tightening surface around the insertion hole is tightly formed and brought into close contact. (2) The fire detector according to claim (1), wherein the mounting screw also serves as an input/output terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14415789U JP2526375Y2 (en) | 1989-12-15 | 1989-12-15 | Fire detector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14415789U JP2526375Y2 (en) | 1989-12-15 | 1989-12-15 | Fire detector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0382486U true JPH0382486U (en) | 1991-08-22 |
| JP2526375Y2 JP2526375Y2 (en) | 1997-02-19 |
Family
ID=31690890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14415789U Expired - Fee Related JP2526375Y2 (en) | 1989-12-15 | 1989-12-15 | Fire detector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2526375Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003141653A (en) * | 2001-10-31 | 2003-05-16 | Nohmi Bosai Ltd | Fire sensor |
| JP2014197274A (en) * | 2013-03-29 | 2014-10-16 | 能美防災株式会社 | Smoke sensing device |
-
1989
- 1989-12-15 JP JP14415789U patent/JP2526375Y2/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003141653A (en) * | 2001-10-31 | 2003-05-16 | Nohmi Bosai Ltd | Fire sensor |
| JP2014197274A (en) * | 2013-03-29 | 2014-10-16 | 能美防災株式会社 | Smoke sensing device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2526375Y2 (en) | 1997-02-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |