JPS62105441U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本案防火ダンパー付き換気装置の断面
図、第２図はその平面図、第３図および第４図は
本案防火ダンパー装置の一実施例を示すもので第
３図は平常運転時、第４図は温度フエーズの溶断
時を示す要部拡大断面図、第５図および第６図は
従来例を示す断面図およびその平面図である。 なお図中６は外壁、１６は排気筒、１７は吸気
筒、１８は吸気用ダンパー板、１９は排気用ダン
パー板、２０はばね、２１は化粧カバー、２１ａ
は吸気穴、２１ｂは排気穴、２２は温度フユーズ
を示すものである。 Fig. 1 is a sectional view of the ventilation system with a fire prevention damper according to the present invention, Fig. 2 is a plan view thereof, Figs. FIG. 4 is an enlarged cross-sectional view of a main part showing the melting of the temperature phase, and FIGS. 5 and 6 are a cross-sectional view and a plan view thereof showing a conventional example. In the figure, 6 is an outer wall, 16 is an exhaust pipe, 17 is an intake pipe, 18 is an intake damper plate, 19 is an exhaust damper plate, 20 is a spring, 21 is a decorative cover, 21a
21b is an intake hole, 21b is an exhaust hole, and 22 is a temperature fuse.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 外壁面よりの突出寸法を異にする室内空気の排
気筒とこれを囲む室内への外気の吸気筒、これら
の外側開口を同時に開閉するように連動状態に設
けた排気用ダンパー板と吸気用ダンパー板、これ
ら吸・排気筒と双方のダンパー板を覆い吸・排気
筒の開口にそれぞれ連通された吸気穴と排気穴と
を有する化粧カバーおよび上記各ダンパー板を常
時その閉塞位置に付勢するばねを備え、上記化粧
カバーには常態で上記ばねに抗して上記各ダンパ
ー板をその開放位置に保持し、溶断時に上記ばね
の復元動作を許容する温度フユーズを取付けたこ
とを特徴とする防火ダンパー付き二重管形同時吸
・排気式換気装置。 An exhaust pipe for indoor air that has different protruding dimensions from the outer wall surface, an intake pipe for outside air into the room that surrounds it, and an exhaust damper plate and an intake damper that are interlocked to open and close these outer openings at the same time. a decorative cover that covers the intake and exhaust pipes and both damper plates and has an intake hole and an exhaust hole that communicate with the openings of the intake and exhaust pipes, respectively; and a spring that always urges each damper plate to its closed position. A fire prevention damper, characterized in that the decorative cover is equipped with a temperature fuse that normally holds each damper plate in its open position against the spring and allows the spring to recover when fused. Double pipe type simultaneous intake/exhaust type ventilation system.