JP2522965Y2 - Fire alarm equipment - Google Patents

Fire alarm equipment

Info

Publication number
JP2522965Y2
JP2522965Y2 JP1989147678U JP14767889U JP2522965Y2 JP 2522965 Y2 JP2522965 Y2 JP 2522965Y2 JP 1989147678 U JP1989147678 U JP 1989147678U JP 14767889 U JP14767889 U JP 14767889U JP 2522965 Y2 JP2522965 Y2 JP 2522965Y2
Authority
JP
Japan
Prior art keywords
terminal
fitting
base
spring
groove
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 - Fee Related
Application number
JP1989147678U
Other languages
Japanese (ja)
Other versions
JPH0386483U (en
Inventor
義則 五十嵐
一郎 小林
靖夫 有賀
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nohmi Bosai Ltd
Original Assignee
Nohmi Bosai Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nohmi Bosai Ltd filed Critical Nohmi Bosai Ltd
Priority to JP1989147678U priority Critical patent/JP2522965Y2/en
Publication of JPH0386483U publication Critical patent/JPH0386483U/ja
Application granted granted Critical
Publication of JP2522965Y2 publication Critical patent/JP2522965Y2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Fire-Detection Mechanisms (AREA)
  • Fire Alarms (AREA)

Description

【考案の詳細な説明】 [産業上の利用分野] 本考案は、火災感知器や中継器の如き火災報知用機器
に係り、さらに詳しくは、内蔵する電気回路と、外部伝
送線とを接続する端子の接続構造を改良した火災報知用
機器に関するものである。
[Detailed description of the invention] [Industrial application field] The present invention relates to a fire alarm device such as a fire detector or a repeater, and more specifically, connects a built-in electric circuit and an external transmission line. The present invention relates to a fire alarm device with an improved terminal connection structure.

[従来の技術] 第11図は一部を断面で示した従来の火災報知器の正面
図である。(1)は天井等に取付けられたベースで、嵌
合金具(95)とこの嵌合金具(95)を押圧するように配
設された嵌合ばね(96)とからなる複数の刃受端子(9
4)が設けられており、この刃受端子(94)には外部伝
送線(図示せず)が接続されている。(5)は煙検出
器、熱検出器などを備えた感知器本体で、ほぼZ状の複
数の刃金具(97)がねじ(98)により取付けられてお
り、感知器本体(5)をベース(1)に当接して回転す
ることにより、刃金具(97)が刃受端子(94)の嵌合金
具(95)と嵌合ばね(96)の間に圧入され、感知器本体
(5)をベース(1)に電気的及び機械的に結合する。
[Prior Art] FIG. 11 is a front view of a conventional fire alarm, a part of which is shown in cross section. (1) is a base mounted on a ceiling or the like, and a plurality of blade receiving terminals each comprising a fitting (95) and a fitting spring (96) arranged to press the fitting (95). (9
4) is provided, and an external transmission line (not shown) is connected to the blade receiving terminal (94). (5) is a sensor main body provided with a smoke detector, a heat detector, and the like. A plurality of substantially Z-shaped blades (97) are attached by screws (98), and the sensor main body (5) is used as a base. The blade (97) is press-fitted between the fitting (95) and the fitting spring (96) of the blade receiving terminal (94) by rotating while contacting (1), and the sensor body (5). Is electrically and mechanically coupled to the base (1).

[考案が解決しようとする課題] 従来の火災感知器等においては、刃金具(97)は感知
器本体(5)にねじ(98)で固定されており、この刃金
具(97)を嵌合金具(95)と嵌合ばね(96)とからなる
刃形端子(94)に圧入するだけなので、長期の使用によ
りねじ(98)が緩んだり、ばね圧が低下したりして接触
不良や結合不良をおこすことがある。
[Problem to be Solved by the Invention] In a conventional fire detector or the like, a blade (97) is fixed to a sensor body (5) with a screw (98), and the blade (97) is fitted with a fitting metal. Since it is only press-fitted into the blade-shaped terminal (94) consisting of the fitting (95) and the fitting spring (96), the screw (98) becomes loose or the spring pressure decreases due to long-term use, resulting in poor contact or bonding. May cause failure.

本考案は、上記の課題を解決すべくなされたもので、
ベースと火災感知器との間に接触不良や結合不良を生ず
るおそれのない強固な接続構造を備えた火災報知用機器
を得ることを目的としたものである。
The present invention has been made to solve the above problems,
It is an object of the present invention to provide a fire alarm device having a strong connection structure that does not cause a contact failure or a connection failure between a base and a fire detector.

[課題を解決するための手段] 本考案に係る火災報知用機器は、ばね材からなり側方
に延出された嵌合端子を有しベースに固定された端子
板、この端子板の嵌合端子と対向しかつほぼ同一平面上
に形成されたほぼU字状の係止部を有しベースに装着さ
れた嵌合ばねからなるベースの端子部と、頭部に溝部が
形成され端部が火災報知器に内蔵された電気回路に接続
された端子金具とを有し、端子板の嵌合端子と嵌合ばね
の係止部とにより端子金具の溝部を挟持すると共に、嵌
合端子により端子金具の頭部を押上げるように構成した
ものである。
[Means for Solving the Problems] A fire alarm device according to the present invention has a fitting terminal made of a spring material and having a laterally extending fitting terminal, fixed to a base, and fitting of the terminal plate. A terminal portion of a base having a substantially U-shaped locking portion opposed to the terminal and formed on substantially the same plane and comprising a fitting spring mounted on the base, and a groove portion formed in a head portion and an end portion formed. A terminal fitting connected to an electric circuit built in the fire alarm; the fitting portion of the terminal plate and the engaging portion of the fitting spring sandwiching the groove of the terminal fitting; It is configured to push up the head of the fitting.

[作用] 火災感知器をベースの下面に当接して押圧しながら回
転すると、端子金具の溝部は嵌合端子の内縁に沿って移
動し、その途中で嵌合ばねの係止部を内側へ移動させ、
係止部の先端部を越えたところで停止する。これにより
端子金具の溝部は嵌合端子と嵌合ばねとの間に挟持さ
れ、火災感知器はベースに電気的及び機械的に結合され
る。
[Function] When the fire detector is rotated while abutting against the lower surface of the base and pressing, the groove of the terminal fitting moves along the inner edge of the fitting terminal, and the locking part of the fitting spring moves inward along the way. Let
Stop beyond the tip of the locking part. Thus, the groove of the terminal fitting is sandwiched between the fitting terminal and the fitting spring, and the fire detector is electrically and mechanically connected to the base.

[実施例] 第1図は本考案実施例の縦断面図、第2図はそのベー
スの下面図、第3図は第2図の要部拡大図、第4図は本
考案実施例の要部を示す分解斜視図である。図におい
て、(1)は天井(9)等に固定された火災感知器のベ
ース、(4)はベース(1)に電気的、機械的に結合さ
れた火災感知器で、電気回路が形成されたプリント基板
(51)を内蔵した感知器本体(5)、投光素子(61)、
受光素子(62)、ラビリンス(図示せず)等からなる光
学台(6)、これらを覆って暗箱を形成する光学台カバ
ー(63)、光学台(6)の外周に設けられた防虫網(6
5)及び煙導入口(71)を有する感知器カバー(7)等
からなっている。
FIG. 1 is a longitudinal sectional view of an embodiment of the present invention, FIG. 2 is a bottom view of a base thereof, FIG. 3 is an enlarged view of a main part of FIG. 2, and FIG. It is an exploded perspective view showing a part. In the figure, (1) is a fire detector base fixed to a ceiling (9) or the like, and (4) is a fire detector electrically and mechanically connected to the base (1), and an electric circuit is formed. Sensor body (5) with built-in printed circuit board (51), light emitting element (61),
An optical bench (6) comprising a light receiving element (62), a labyrinth (not shown), an optical bench cover (63) for forming a dark box by covering them, and an insect net provided on the outer periphery of the optical bench (6) 6
5) and a sensor cover (7) having a smoke inlet (71).

ベース(1)の中心部には伝送線(8)の引出口(1
1)が設けられており、引出口(11)と側壁(12)の間
にはベース(1)を天井等(9)に固定するための鍵穴
状の固定穴(13),(13a)が対向して設けられてい
る。第4図において、(15)は伝送線(8)の挿通溝
(16),(16a)と、傾斜段部(17),(17a)を有する
端子取付壁、(18)は受台、(19)はねじ穴を有する取
付座、(20)は取付座(19)と側壁(12)との間に形成
された固定溝、(21)は後述の嵌合ばね(25)が嵌入さ
れる案内溝、(22)は嵌合ばね(25)の端部が挿入され
る長穴である。
At the center of the base (1) is the outlet (1) of the transmission line (8).
Keyhole-shaped fixing holes (13) and (13a) for fixing the base (1) to the ceiling or the like (9) are provided between the outlet (11) and the side wall (12). They are provided facing each other. In FIG. 4, (15) is a terminal mounting wall having insertion grooves (16) and (16a) of the transmission line (8) and inclined steps (17) and (17a). 19) is a mounting seat having a screw hole, (20) is a fixing groove formed between the mounting seat (19) and the side wall (12), and (21) is a fitting spring (25) described later. The guide groove (22) is an elongated hole into which the end of the fitting spring (25) is inserted.

(25)は嵌合ばねで、第5図に示すように、ベース
(1)の固定溝(20)に嵌合されるコ字状部(26)、そ
れから垂下してベース(1)の案内溝(21)に嵌入され
るL字状部(27)、L字状部(27)から上方に延出され
てほぼU字状に折曲げられた係止部(28)及び係止部
(28)から垂下してベース(1)の長穴(22)に嵌入さ
れる端部(29)からなっている。なお、係止部(28)
は、嵌合ばね25)をベース(1)に装着したとき、後述
の嵌合端子(36)とほぼ同一平面になるように形成され
ている。
A fitting spring (25) is a U-shaped part (26) fitted in the fixing groove (20) of the base (1) as shown in FIG. An L-shaped part (27) fitted into the groove (21), a locking part (28) extending upward from the L-shaped part (27) and bent substantially in a U-shape, and a locking part ( It consists of an end (29) that hangs down from 28) and fits into the elongated hole (22) of the base (1). In addition, locking part (28)
Is formed so that when the fitting spring 25) is mounted on the base (1), the fitting spring (25) is substantially flush with a fitting terminal (36) described later.

(31)はほぼJ字状に折曲げられた端子ばねで、両端
部にはそれぞれ突片(32),(32a)及び(33),(33
a)が形成されている。(34)はベース(1)に設けた
受台(18)への嵌合部である。(35)は導電材料からな
る端子板で、(36)はゆるい円弧状に形成され、端子板
(35)の一方の側に突設された嵌合端子、(37)は固定
ねじ(39)の挿通穴、(38)は解鍵穴である。これらに
よりベース(1)の端子部(10)を構成する。
(31) is a terminal spring bent substantially in a J-shape, and projecting pieces (32), (32a) and (33), (33)
a) is formed. (34) is a fitting portion to the receiving table (18) provided on the base (1). (35) is a terminal plate made of a conductive material, (36) is formed in a loose arc shape, a fitting terminal protruding from one side of the terminal plate (35), and (37) is a fixing screw (39). And (38) is a keyhole. These constitute a terminal portion (10) of the base (1).

再び第1図において、(55)は導電材料からなるボル
ト状の端子金具で、感知器本体(5)に設けた貫通穴
(53)に挿通され、プリント基板(51)のナット(52)
に螺合されてプリント基板(51)を感知器本体(5)に
機械的に結合すると共に、プリント基板(51)に形成さ
れた電気回路と、ベース(1)に形成された端子部(1
0)とを電気的に接続する。この端子金具(55)は、頭
部(56)、この頭部(56)より小径の溝部(57)、頭部
(56)とほぼ同径のフランジ部(58)及びねじ部(59)
からなっている。なお、フランジ部(58)は座金で構成
してもよい。
Referring again to FIG. 1, reference numeral (55) denotes a bolt-shaped terminal fitting made of a conductive material, which is inserted into a through hole (53) provided in the sensor body (5), and a nut (52) of a printed circuit board (51).
To mechanically couple the printed circuit board (51) to the sensor main body (5), and an electric circuit formed on the printed circuit board (51) and a terminal section (1) formed on the base (1).
0) is electrically connected. The terminal fitting (55) includes a head (56), a groove (57) having a smaller diameter than the head (56), a flange (58) having substantially the same diameter as the head (56), and a screw (59).
Consists of The flange (58) may be made of a washer.

次に、上記のような各部からなるベース(1)の端子
部(10)の組立順序の一例を、第4図を参照して説明す
る。先ず、嵌合ばね(25)のコ字状部(26)をベース
(1)の固定溝(20)に嵌合してそのL字状部(27)を
案内溝(21)に嵌合し、端部(29)を長穴(22)に挿入
する。ついで端子ばね(31)の嵌合部(34)を端子取付
壁(15)と受台(18)の間に嵌合し、その上に端子板
(35)を載せて挿通穴(37)に固定ねじ(39)を挿通
し、取付座(19)のねじ穴に螺入すれば、端子部(10)
の組立は終る(第3図、第6図参照)。このとき、端子
ばね(31)の両端部に設けた突片(32),(32a)と(3
3),(33a)及び嵌合ばね(25)のコ字状部(26)は、
それぞれ端子板(35)に圧接されており、嵌合端子(3
6)と嵌合ばね(25)の係止部(28)とは、ほぼ同一平
面でかつ端子金具(55)の溝部(57)の径より狭い間隔
で対向する。
Next, an example of an assembling sequence of the terminal portion (10) of the base (1) composed of the above-described portions will be described with reference to FIG. First, the U-shaped part (26) of the fitting spring (25) is fitted into the fixing groove (20) of the base (1), and the L-shaped part (27) is fitted into the guide groove (21). , Insert the end (29) into the slot (22). Next, the fitting part (34) of the terminal spring (31) is fitted between the terminal mounting wall (15) and the pedestal (18), and the terminal plate (35) is placed thereon and inserted into the insertion hole (37). Insert the fixing screw (39) and screw it into the screw hole of the mounting seat (19).
Is completed (see FIGS. 3 and 6). At this time, the protruding pieces (32), (32a) and (3) provided at both ends of the terminal spring (31) are used.
3), (33a) and the U-shaped part (26) of the fitting spring (25)
Each is pressed into contact with the terminal board (35), and the mating terminals (3
6) and the engaging portion (28) of the fitting spring (25) are opposed to each other at substantially the same plane and at a smaller interval than the diameter of the groove (57) of the terminal fitting (55).

次に、本考案の作用を説明する。ベース(1)の端子
部(10)に伝送線(8)を接続するには、引出口(11)
から引込まれた伝送線(8)の端部を、端子取付壁(1
5)の挿通溝(16),(16a)から差込めばよい。これに
より、伝送線(8)は端子ばね(31)の突片(32),
(33)により端子板(35)との間に圧着され、機械的に
強固に保持されると共に、電気的に接続される(第1図
参照)。
Next, the operation of the present invention will be described. To connect the transmission line (8) to the terminal (10) of the base (1), use the outlet (11)
Connect the end of the transmission line (8) drawn in from the terminal mounting wall (1
It can be inserted through the insertion grooves (16) and (16a) in 5). As a result, the transmission line (8) is connected to the projecting pieces (32) of the terminal spring (31),
By (33), it is crimped between the terminal plate (35) and is mechanically firmly held and electrically connected (see FIG. 1).

ベース(1)の端子部(10)に火災感知器(4)の電
気回路を接続するには、火災感知器(4)をベース
(1)の下面に当接し、押圧しながら回転する。これに
より端子金具(55)の頭部(56)はベース(1)の底部
と、端子板(35)の嵌合端子(36)及び嵌合ばね(25)
の係止部(28)との間に位置し、溝部(57)は固定片
(36)と係止部(28)の先端部に位置する。火災感知器
(4)をさらに同方向に回転すると、端子金具(55)の
溝部(57)は嵌合端子(36)の内縁に沿って移動し、そ
の途中で嵌合ばね(25)の係止部(28)を内側へ移動さ
せ、U字状部の先端部を越えたところで停止し、端子板
(35)の嵌合端子(36)と嵌合ばね(25)の係止部(2
8)との間に挾持される。これにより火災感知器(4)
の電気回路は端子金具(55)及び端子板(35)を介して
伝送線(8)に接続されると共に、火災感知器(4)は
ベース(1)に機械的に結合される。
In order to connect the electric circuit of the fire detector (4) to the terminal portion (10) of the base (1), the fire detector (4) comes into contact with the lower surface of the base (1) and rotates while being pressed. As a result, the head (56) of the terminal fitting (55) is connected to the bottom of the base (1), the fitting terminal (36) and the fitting spring (25) of the terminal plate (35).
The groove (57) is located between the fixing piece (36) and the tip of the locking portion (28). When the fire detector (4) is further rotated in the same direction, the groove (57) of the terminal fitting (55) moves along the inner edge of the fitting terminal (36), and the engagement of the fitting spring (25) on the way. The stopper (28) is moved inward, and stops when it moves beyond the tip of the U-shaped part, and the fitting terminal (36) of the terminal plate (35) and the locking part (2) of the fitting spring (25).
8). Fire detector (4)
Is connected to the transmission line (8) via the terminal fitting (55) and the terminal plate (35), and the fire detector (4) is mechanically connected to the base (1).

上記のような端子構造において、端子金具(55)に押
される嵌合ばね(25)の係止部(28)は、その基部A
(第3図)を中心にして回動するため嵌合ばね(25)の
端部(29)は移動するが、長穴(22)は細長く形成され
ているので自在に移動することができる。また、嵌合ば
ね(25)は線状に形成されているのでストロークを大き
くとることができ、さらに係止部(28)はU字状に形成
されているので、端子金具(56)の結合に際してクリッ
ク感が得られ、火災感知器(4)の装着を確認すること
ができる。
In the terminal structure as described above, the locking portion (28) of the fitting spring (25) pressed by the terminal fitting (55) is provided at the base A thereof.
Although the end portion (29) of the fitting spring (25) is moved to rotate around (FIG. 3), the elongated hole (22) can be freely moved because it is formed to be elongated. Further, the fitting spring (25) is formed in a linear shape, so that a large stroke can be taken. Further, since the locking portion (28) is formed in a U-shape, the connection of the terminal fittings (56) is prevented. At that time, a click feeling is obtained, and the wearing of the fire detector (4) can be confirmed.

また、端子金具(55)の溝部(57)の両側に接触する
金具のうち一方をばね材で構成したので、多少のずれが
あってもばね材の弾性により確実に接着し、導通させる
ことができる。さらに、端子板(35)の嵌合端子(36)
に上方に押上げるばね性を持たせたことにより、第7図
に示すように嵌合端子(36)が端子金具(55)の頭部
(56)を押上げて接続をより確実に行なうことができ
る。
In addition, since one of the metal fittings in contact with both sides of the groove portion (57) of the terminal metal fitting (55) is made of a spring material, even if there is a slight deviation, the elasticity of the spring material makes it possible to securely adhere and conduct. it can. Furthermore, the fitting terminal (36) of the terminal board (35)
As shown in Fig. 7, the fitting terminal (36) pushes up the head (56) of the terminal fitting (55) so that the connection can be made more reliably. Can be.

第8図は本考案の他の実施例を示す要部平面図であ
る。本実施例は端子板(35)の嵌合端子(36)を省略す
ると共に、ベース(1)の取付座(19)と側壁(12)と
の間の固定溝(20)を幅広に形成し、さらに、長穴(2
2)と対向して側壁(12)の近傍に第2の長穴(22a)を
設けたものである。そして、嵌合ばね(25)の係止部
(28)とほぼ同じ高さの位置にゆるい円弧状に形成され
た係止部(28a)を有する第2の嵌合ばね(25a)と、第
5図に示した嵌合ばね(25)とをそれぞれ固定溝(20)
に嵌合して係止部(28),(28a)を対向させ、他端を
長穴(22),(22a)にそれぞれ嵌入して両嵌合ばね(2
5),(25a)のコ字状部(26),(26a)を端子板(3
5)に圧接したものである。
FIG. 8 is a plan view of a main part showing another embodiment of the present invention. In this embodiment, the fitting terminal (36) of the terminal plate (35) is omitted, and the fixing groove (20) between the mounting seat (19) of the base (1) and the side wall (12) is formed wide. , And a long hole (2
A second elongated hole (22a) is provided near the side wall (12) opposite to 2). And a second fitting spring (25a) having a locking portion (28a) formed in a loose arc shape at a position substantially at the same height as the locking portion (28) of the fitting spring (25); Fixing groove (20) with fitting spring (25) shown in FIG.
And the locking portions (28) and (28a) are opposed to each other, and the other ends are fitted into the elongated holes (22) and (22a), respectively.
5), (25a) U-shaped parts (26) and (26a)
It was pressed against 5).

このように構成したことにより、両嵌合ばね(25),
(25a)は第9図に示すように端子金具(55)の溝部(5
7)を押圧しながら頭部(56)を押上げるように作用す
るので、位置決め及び電気的接続を確実に行なうことが
できる。
With such a configuration, the both fitting springs (25),
(25a) is the groove (5) of the terminal fitting (55) as shown in FIG.
Acting to push up the head (56) while pressing 7), it is possible to reliably perform positioning and electrical connection.

第10図は本考案のさらに別の実施例を示すもので、第
8図の実施例の2本の嵌合ばね(25),(25a)に代え
て、係止部(28b)がほぼU字状に形成されて対向配置
された1本の嵌合ばね(25b)により、端子金具(55)
の溝部(57)を挾持するようにしたものである。これに
より部品点数を減らすことができる。
FIG. 10 shows still another embodiment of the present invention. In place of the two fitting springs (25) and (25a) in the embodiment of FIG. 8, a locking portion (28b) is substantially U-shaped. The terminal fitting (55) is formed by a single fitting spring (25b) formed in the shape of a letter and arranged to face each other.
Groove (57). Thereby, the number of parts can be reduced.

[考案の効果] 以上の説明から明らかなように、本考案は外部伝送線
が接続されるベースの端子部を形成する端子板に嵌合端
子を設けると共に、これに対向して嵌合ばねを設け、ま
た火災報知器には頭部に溝部を有する端子金具を設けた
ので、ベースに火災報知器を装着すると、ベースの嵌合
端子と嵌合ばねが火災感知器の端子金具の溝部を挟持し
て圧着すると共に、嵌合端子により端子金具の頭部を押
上げるようにしたので、両者は電気的、機械的に強固に
結合される。このため長期間使用しても結合不良や接触
不良を生ずるおそれがなく、信頼性の高い火災報知器用
機器を得ることができる。
[Effects of the Invention] As is clear from the above description, the present invention provides a fitting terminal on a terminal plate forming a terminal portion of a base to which an external transmission line is connected, and a fitting spring opposed thereto. The fire alarm has a terminal fitting with a groove on the head, so when the fire alarm is attached to the base, the fitting terminal and the fitting spring of the base clamp the groove of the terminal fitting of the fire detector. Then, the heads of the terminal fittings are pushed up by the fitting terminals, so that both are firmly connected electrically and mechanically. For this reason, even if used for a long period of time, there is no possibility of poor connection or poor contact, and a highly reliable fire alarm device can be obtained.

【図面の簡単な説明】[Brief description of the drawings]

第1図は本考案実施例の縦断面図、第2図はそのベース
の下面図、第3図は第2図の要部の拡大図、第4図は本
考案実施例の要部の分解斜視図、第5図(a)は本考案
の要部をなす嵌合ばねの実施例の平面図、(b)はその
側面図、第6図はベースに端子板と嵌合ばねを取付けた
状態を示す断面図、第7図はその作用説明図、第8図は
本考案の他の実施例の要部平面図、第9図はその作用説
明図、第10図は本考案のさらに他の実施例の要部斜視
図、第11図は従来の火災感知器とベースとの結合状態の
一例を示す一部断面図である。 (1):ベース、(15):端子取付壁、(16),(16
a):挿通溝、(19):取付座、(20):固定溝、(2
1):案内溝、(25),(25a),(25b):嵌合ばね、
(28),(28a),(28b):係止部、(31):端子ば
ね、(35):端子板、(36):嵌合端子、(4):火災
感知器、(5):感知器本体、(51):プリント基板、
(55):端子金具、(57):溝部。
1 is a longitudinal sectional view of the embodiment of the present invention, FIG. 2 is a bottom view of the base, FIG. 3 is an enlarged view of a main part of FIG. 2, and FIG. 4 is an exploded view of the main part of the embodiment of the present invention. FIG. 5 (a) is a plan view of an embodiment of a fitting spring which is a main part of the present invention, FIG. 5 (b) is a side view thereof, and FIG. 6 is a diagram in which a terminal plate and a fitting spring are mounted on a base. FIG. 7 is a sectional view showing the state, FIG. 7 is an explanatory view of the operation, FIG. 8 is a plan view of a main part of another embodiment of the present invention, FIG. 9 is an explanatory view of the operation, and FIG. FIG. 11 is a partial sectional view showing an example of a state of connection between a conventional fire detector and a base. (1): Base, (15): Terminal mounting wall, (16), (16)
a): Insertion groove, (19): Mounting seat, (20): Fixing groove, (2
1): Guide groove, (25), (25a), (25b): Fitting spring,
(28), (28a), (28b): locking part, (31): terminal spring, (35): terminal plate, (36): fitting terminal, (4): fire detector, (5): Sensor body, (51): Printed circuit board,
(55): Terminal fitting, (57): Groove.

Claims (1)

(57)【実用新案登録請求の範囲】(57) [Scope of request for utility model registration] 【請求項1】天井等に固定され複数の端子部を備えたベ
ースと、該ベースの端子部に接続して電気的及び機械的
に結合する端子金具を備えた火災感知器とからなる火災
報知用機器において、 ばね材からなり側方に延出された嵌合端子を有し前記ベ
ースに固定された端子板、該端子板の嵌合端子と対向し
かつほぼ同一平面上に形成されたほぼU字状の係止部を
有し前記ベースに装着された嵌合ばねからなるベースの
端子部と、 頭部に溝部が形成され端部が前記火災報知器に内蔵され
た電気回路に接続された端子金具とを有し、 前記端子板の嵌合端子と嵌合ばねの係止部とにより前記
端子金具の溝部を挟持すると共に、前記嵌合端子により
端子金具の頭部を押上げるように構成したことを特徴と
する火災報知用機器。
1. A fire alarm comprising a base fixed to a ceiling or the like and having a plurality of terminals, and a fire detector having terminal fittings connected to the terminals of the base to be electrically and mechanically coupled. A terminal plate having a fitting terminal formed of a spring material and extending laterally, fixed to the base, substantially opposite to the fitting terminal of the terminal plate and formed substantially on the same plane. A base terminal having a U-shaped locking portion and comprising a fitting spring mounted on the base, a groove formed in the head, and an end connected to an electric circuit built in the fire alarm. The terminal fitting has a groove, and the fitting terminal of the terminal plate and the engaging portion of the fitting spring sandwich the groove of the terminal fitting, and the fitting terminal pushes up the head of the terminal fitting. A fire alarm device characterized by comprising.
JP1989147678U 1989-12-25 1989-12-25 Fire alarm equipment Expired - Fee Related JP2522965Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989147678U JP2522965Y2 (en) 1989-12-25 1989-12-25 Fire alarm equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989147678U JP2522965Y2 (en) 1989-12-25 1989-12-25 Fire alarm equipment

Publications (2)

Publication Number Publication Date
JPH0386483U JPH0386483U (en) 1991-09-02
JP2522965Y2 true JP2522965Y2 (en) 1997-01-22

Family

ID=31694183

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989147678U Expired - Fee Related JP2522965Y2 (en) 1989-12-25 1989-12-25 Fire alarm equipment

Country Status (1)

Country Link
JP (1) JP2522965Y2 (en)

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63211497A (en) * 1987-02-27 1988-09-02 ホーチキ株式会社 Sensor fitting construction

Also Published As

Publication number Publication date
JPH0386483U (en) 1991-09-02

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