JPS637937U

JPS637937U -

Info

Publication number: JPS637937U
Application number: JP10081086U
Authority: JP
Priority date: 1986-07-02
Filing date: 1986-07-02
Publication date: 1988-01-19
Also published as: JPH0353437Y2

Description

[Brief explanation of the drawing]

第１図は本考案の実施例に係る保安装置の平面
図、第２図は同じく縦断正面図、第３図はカバー
を外した状態の保安装置の平面図、第４図は同じ
くカバーを外した状態の保安装置の正面図、第５
図は要部の部分断面図、第６図は要部の分解斜視
図、第７図は保安装置の回路図である。１……絶縁ケース、１１……保護素子、１６，
１７……電極部、２３，２４……ライン端子、２
５，２６……作動バネ片、３１，３２……自由端
子、３３，３４……低融点合金、３６，３７……
固定接点部、４１，４２……挿通孔、４４，４５
……可動接点部、４９，５０……挿通孔、５１，
５２……表示片、５５，５６……表示用突起。 Fig. 1 is a plan view of a security device according to an embodiment of the present invention, Fig. 2 is a longitudinal front view, Fig. 3 is a plan view of the security device with the cover removed, and Fig. 4 is a plan view of the security device with the cover removed. Front view of the safety device in the closed state, No. 5
The figure is a partial sectional view of the main part, FIG. 6 is an exploded perspective view of the main part, and FIG. 7 is a circuit diagram of the safety device. 1...Insulating case, 11...Protection element, 16,
17... Electrode section, 23, 24... Line terminal, 2
5, 26... Operating spring piece, 31, 32... Free terminal, 33, 34... Low melting point alloy, 36, 37...
Fixed contact portion, 41, 42...Through hole, 44, 45
...Movable contact portion, 49, 50...Insertion hole, 51,
52...display piece, 55, 56...display protrusion.

Claims

[Scope of utility model registration request]

A line terminal 23 is connected to each of the pair of electrode parts 16 and 17 of the protection element 11 disposed in the insulating case 1.
, 24 with the free ends 31, 32 of the actuating spring pieces 25, 26 elastically deformed, the low melting point alloy 33
, 34, and is connected to one alarm terminal 38 opposite to the free ends 31, 32 of the operating spring pieces 25, 26 through the insertion holes 4 of the display projections 55, 56 shown below.
Fixed contact portions 36, 37 having terminals 1, 42 are disposed between these fixed contact portions 36, 37 and the free ends 31, 32 of the actuating spring pieces 25, 26, which communicate with the other alarm terminal 46. The following display protrusion 55,
56 insertion holes 49, 50, and is not in contact with the fixed contact parts 36, 37 at all times, but has a spring property that makes contact when the operating spring pieces 25, 26 return to their original positions. , 45, and these movable contact portions 44, 45 and the actuating spring piece 25
, 26, there are display pieces 51, 5 made of an insulating material.
2, and the display protrusions 55, 56 provided on the display pieces 51, 52 are connected to the movable contact portion 4.
4, 45 and fixed contact portions 36, 37 through holes 49
, 50, 41, 42, and when the operating spring pieces 25, 26 return to their original positions, the display protrusions 55, 56 are inserted into the display parts 7, 8 of the insulating case 1 and are visible from the outside. A security device characterized by being protruded.