JPS6251489U

JPS6251489U -

Info

Publication number: JPS6251489U
Application number: JP14093285U
Authority: JP
Priority date: 1985-09-13
Filing date: 1985-09-13
Publication date: 1987-03-31

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例のリングを示す上面
図、第２図は同上の断面図、第３図は同上の組み
立て状態を示す要部断面図、第４図はボデイの要
部の拡大斜視図、第５図は同上の側面図、第６図
はボデイの全体を示す上面図、第７図は従来例の
全体を示す断面図、第８図は感熱ブロツクを示す
一部を破断した側面図、第９図は第８図のＢ部の
拡大断面図、第１０図及び第１１図は従来のボデ
イと感熱ブロツクとの取付状態を示す断面図であ
る。１はボデイ、２は感熱ブロツク、３はリング、
４は感熱板、５はダイアフラム、７は感熱室、９
は接点である。 Fig. 1 is a top view showing a ring according to an embodiment of the present invention, Fig. 2 is a sectional view of the same, Fig. 3 is a sectional view of the main parts showing the assembled state of the above, and Fig. 4 is a main part of the body. An enlarged perspective view, FIG. 5 is a side view of the same as above, FIG. 6 is a top view showing the entire body, FIG. 7 is a sectional view showing the entire conventional example, and FIG. 8 is a partially cutaway view showing the heat-sensitive block. FIG. 9 is an enlarged sectional view of section B in FIG. 8, and FIGS. 10 and 11 are sectional views showing how the conventional body and heat-sensitive block are attached. 1 is the body, 2 is the heat sensitive block, 3 is the ring,
4 is a heat sensitive plate, 5 is a diaphragm, 7 is a heat sensitive chamber, 9
is a contact point.

Claims

[Claims for Utility Model Registration] (1) A heat-sensitive block consisting of at least a heat-sensitive plate and a diaphragm forming a heat-sensitive chamber, a contact spring driven by displacement of the diaphragm due to expansion and contraction of air in the heat-sensitive chamber, and the contact point. In a differential heat sensor equipped with a contact formed in a spring and which opens and closes when the contact spring is driven to detect a fire,
A differential heat sensor characterized by comprising a fixture that clamps the peripheral edge of the heat-sensitive block placed on the body and is welded to the body. (2) The differential heat sensor according to claim 1, wherein the welding between the fixture and the body is ultrasonic welding.