JPH0465556U

JPH0465556U -

Info

Publication number: JPH0465556U
Application number: JP10692790U
Authority: JP
Priority date: 1990-10-13
Filing date: 1990-10-13
Publication date: 1992-06-08

Description

[Brief explanation of drawings]

第１図は、本案呼吸器本体の側断面図、第２図
は、第１図に於けるＸ−Ｘ線及びＹ−Ｙ線の共通
拡大断面図、第３図は、本案防煙マスクの装着要
領の説明図、第４図は、従来技術の説明図である
。主要部分の符号の説明、１……呼吸器本体、２
……呼気弁室、５……呼気弁、７……排気弁、８
……螺孔、１０，１０ａ……気孔、１１……口金
、１４……帽体、１５……挿孔、１６……吸気管
、１９……開口部、２０……締輪、Ａ……防煙マ
スク。 Fig. 1 is a side sectional view of the main body of the proposed respirator, Fig. 2 is a common enlarged sectional view taken along the X-X line and Y-Y line in Fig. 1, and Fig. 3 is a cross-sectional view of the proposed smoke mask. FIG. 4, which is an explanatory diagram of the mounting procedure, is an explanatory diagram of the prior art. Explanation of symbols of main parts, 1...Respiratory body, 2
...Exhalation valve chamber, 5...Exhalation valve, 7...Exhaust valve, 8
...screw hole, 10, 10a ... hole, 11 ... cap, 14 ... cap body, 15 ... hole, 16 ... suction pipe, 19 ... opening, 20 ... fastening ring, A ... Smoke mask.

Claims

[Scope of Claim for Utility Model Registration] An exhalation valve 5 that opens due to internal negative pressure due to inhalation during breathing and closes due to internal pressure due to exhalation; and an exhalation valve 5 that closes due to internal negative pressure during inspiration; It is provided with an exhalation valve chamber 2 having an exhaust valve 7 which is normally open, and a stoma 10 communicating with the exhalation valve chamber 2 is provided with a stoma 1.
A respiratory organ main body 1 to which a cap 11 having a diameter of 0a is attached; a cap body 14 made of synthetic resin in the form of a bag and having an opening 19 that can be expanded and contracted by a fastening ring 20 and an insertion hole 15 fitted into the cap 11; A structure of a simple smoke mask, characterized in that a smoke mask B is constructed by inserting the insertion hole 15 between the screw hole 8 and the base 11.