JPS63103191U - - Google Patents
Info
- Publication number
- JPS63103191U JPS63103191U JP20286186U JP20286186U JPS63103191U JP S63103191 U JPS63103191 U JP S63103191U JP 20286186 U JP20286186 U JP 20286186U JP 20286186 U JP20286186 U JP 20286186U JP S63103191 U JPS63103191 U JP S63103191U
- Authority
- JP
- Japan
- Prior art keywords
- shield
- utility
- model registration
- external electrode
- cover
- 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
- 239000000779 smoke Substances 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Description
第１図は、この考案の実施例を示す縦断面図、
第２図は、第１図の要部拡大図、第３図は、第２
図のシールドカバーの平面図、第４図は、従来例
を示す断面図である。
１０……基台、１２……シールド基板、１３…
…プリント基板、１４……外部電極、１８……煙
流入口、２０……カバー、２１……空気流通口、
３０……シールドカバー、３２……開口部、３２
ａ……周縁、３３……上方折曲片、Ｂ……本体。
FIG. 1 is a longitudinal sectional view showing an embodiment of this invention;
Figure 2 is an enlarged view of the main parts of Figure 1, and Figure 3 is an enlarged view of the main parts of Figure 1.
FIG. 4 is a plan view of the shield cover shown in the figure, and FIG. 4 is a sectional view showing a conventional example. 10... Base, 12... Shield board, 13...
...Printed circuit board, 14...External electrode, 18...Smoke inlet, 20...Cover, 21...Air distribution port,
30... Shield cover, 32... Opening, 32
a... Periphery, 33... Upper bent piece, B... Main body.
Claims (1)
される本体内に、少なくともシールド基板とシー
ルドカバーとを備えたシールドケースを設けこの
シールドケース内に煙流入口を有する外部電極が
取り付けられたプリント基板を設けると共に外部
電極の煙流入口を有する小径部が挿通されるシー
ルドカバーの開口部の周縁に、複数の上方折曲片
を設け、この複数の上方折曲片によつて外部電極
の側壁を圧接挾持したことを特徴とするイオン化
式火災感知器。 (2) シールドケースは、シールド板と防虫金網
とを備えていることを特徴とする実用新案登録請
求の範囲第(1)項記載のイオン化式火災感知器。 (3) シールド板は、折曲片と押圧片とを備えて
ることを特徴とする実用新案登録請求の範囲第(2
)項記載のイオン化式火災感知器。 (4) 折曲片は、外部電極の底壁とカバーとの間
に配設され、該底壁に弾接することを特徴とする
実用新案登録請求の範囲第(3)項記載のイオン化
式火災感知器。 (5) 押圧片は、シールド板の周縁に設けられた
防虫金網の内側を押圧することを特徴とする実用
新案登録請求の範囲第(3)項記載のイオン化式火
災感知器。[Scope of Claim for Utility Model Registration] (1) A shield case including at least a shield board and a shield cover is provided in the main body, which is composed of a base and a cover having an air flow hole, and smoke flow inside the shield case is provided. A printed circuit board to which an external electrode having an inlet is attached is provided, and a plurality of upwardly bent pieces are provided at the periphery of the opening of the shield cover through which the small diameter part having the smoke inlet of the external electrode is inserted. An ionization type fire detector characterized in that a side wall of an external electrode is pressed and clamped by a bent piece. (2) The ionization fire detector according to claim (1) of the utility model registration, wherein the shield case includes a shield plate and an insect-proof wire mesh. (3) Utility model registration claim No. 2, characterized in that the shield plate includes a bending piece and a pressing piece.
Ionization type fire detector described in ). (4) The ionization type fire according to claim (3) of the utility model registration claim, wherein the bent piece is disposed between the bottom wall of the external electrode and the cover and makes elastic contact with the bottom wall. sensor. (5) The ionization type fire detector according to claim (3) of the utility model registration, characterized in that the pressing piece presses the inside of an insect-proof wire mesh provided on the periphery of the shield plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986202861U JPH057673Y2 (en) | 1986-12-24 | 1986-12-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986202861U JPH057673Y2 (en) | 1986-12-24 | 1986-12-24 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63103191U true JPS63103191U (en) | 1988-07-04 |
| JPH057673Y2 JPH057673Y2 (en) | 1993-02-25 |
Family
ID=31167643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986202861U Expired - Lifetime JPH057673Y2 (en) | 1986-12-24 | 1986-12-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH057673Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03110597U (en) * | 1990-02-23 | 1991-11-13 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS593363U (en) * | 1982-06-29 | 1984-01-10 | ニツタン株式会社 | ionization smoke detector |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS593363B2 (en) * | 1978-02-13 | 1984-01-24 | 日東精工株式会社 | Goods transfer device |
-
1986
- 1986-12-24 JP JP1986202861U patent/JPH057673Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS593363U (en) * | 1982-06-29 | 1984-01-10 | ニツタン株式会社 | ionization smoke detector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03110597U (en) * | 1990-02-23 | 1991-11-13 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH057673Y2 (en) | 1993-02-25 |
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