JPS5958195U

JPS5958195U - fire door

Info

Publication number: JPS5958195U
Application number: JP15427682U
Authority: JP
Inventors: 青山　啓伸; 吉武　正彦
Original assignee: 日本建鐵株式会社
Priority date: 1982-10-12
Filing date: 1982-10-12
Publication date: 1984-04-16
Also published as: JPH0113194Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案による防火ドアの概略を示す縦断面図、
第２図はその正面図、第３図は本考案の一例による防火
ドアの下部の縦断面図、第４図は第３図の線Ａ−Ａに沿
って取った断面図、第５図は火災時にドアの下端のすき
間を閉じた状態の第３図に類似の断面図、そして第６図
は第３図の線Ｂ−Ｂから見た側面図である。図中、１・・・ドア、２・・・下枠、５・・・下框、６
・・・スライドフレーム、７・・田−ラ、９・・・長Ｌ
　　１０−・・スライドピン、１３・・・ガイドピン、
１６・・・レバー、１９・・・ヒユーズメタル、２２・
・・ばね、２３・・・鏑２のガイドピン、２４・・・ば
ね。FIG. 1 is a longitudinal sectional view schematically showing a fire door according to the present invention;
Fig. 2 is a front view thereof, Fig. 3 is a vertical sectional view of the lower part of a fire door according to an example of the present invention, Fig. 4 is a sectional view taken along line A-A in Fig. 3, and Fig. 5 is a A sectional view similar to FIG. 3 with the gap at the lower end of the door closed in the event of a fire, and FIG. 6 a side view taken along line B--B in FIG. 3. In the diagram, 1...door, 2...bottom frame, 5...bottom stile, 6
...Slide frame, 7...Tara, 9...Long L
10-...Slide pin, 13...Guide pin,
16...Lever, 19...Fuse metal, 22.
...Spring, 23...Guide pin of Kabura 2, 24...Spring.

Claims

[Scope of utility model registration request]

(1) A slide frame installed in the lower sill of the door so as to be slidable up and down, and the slide tool that can descend and come into contact with the lower sill so as to close the gap at the lower end of the door if the fuse metal described below melts in the event of a fire. A fire door comprising: a roller attached to a lenim; and a fuse metal that locks the roller upward together with the slide frame.

(2) The fire door according to claim 1, wherein the roller is a split roller divided into appropriate lengths.

(3) The slide frame is attached to the lower stile by engaging a slide pin fixed to the lower stile with a vertically long elongated hole provided on each end surface of the slide frame. The fire door described in paragraph 1.

(4) a guide pin located approximately in the center of the upper plate of the slide frame and passing through a hole in the upper plate of the lower stile; and a pivot lever having one end passing through the hole in the upper part of the guide pin;
The fire door according to claim 1, wherein the roller is held upward by the other end of the lever that protrudes outside being held by the fuse metal.

(5) The fire door according to claim 3, wherein a spring is installed between the slide frame and the upper plate of the lower stile around the guide pin.

(6) The upper plate of the slide frame has an upwardly protruding
At least a pair of second guide pins are provided that pass through holes in the upper plate of the lower stile, and a space between the slide frame and the upper plate of the lower stile is provided around each second guide pin. A fire prevention door according to claim 1 of the utility model registration claim, in which a spring is installed. 5