JPH0221449U

JPH0221449U -

Info

Publication number: JPH0221449U
Application number: JP10052188U
Authority: JP
Priority date: 1988-07-28
Filing date: 1988-07-28
Publication date: 1990-02-13
Also published as: JPH0345002Y2

Description

[Brief explanation of drawings]

第１図は本考案実施例の断面図、第２図は補助
筒４の斜視図、第３図はブラケツト５とゲージ板
５０との関係図、第４図は器具取付け作業におけ
る中間段階の要部説明図、第５図は作業用開口１
５から見た要部切欠正面図、第６図及び第７図は
従来例の説明図であり、図中、Ｗ…壁面、３１…給気通路、３…給気管、３３
…給気箱、２…排気管、２１…排気用エルボ、１
…燃焼室、２２…下流側開放端、１７…前ケース
、３２…給気用開口、１６…後ケース、１５…作
業用開口、Ｆ…フランジ部、１４…蓋板。 Fig. 1 is a sectional view of the embodiment of the present invention, Fig. 2 is a perspective view of the auxiliary tube 4, Fig. 3 is a diagram of the relationship between the bracket 5 and the gauge plate 50, and Fig. 4 is a diagram showing the main points of an intermediate stage in the instrument installation work. Part explanatory diagram, Figure 5 is the working opening 1
5, and FIGS. 6 and 7 are explanatory diagrams of the conventional example. In the figures, W...Wall surface, 31...Air supply passage, 3...Air supply pipe, 33
...Air supply box, 2...Exhaust pipe, 21...Exhaust elbow, 1
...Combustion chamber, 22...Downstream open end, 17...Front case, 32...Air supply opening, 16...Rear case, 15...Working opening, F...Flange portion, 14...Lid plate.

Claims

[Scope of utility model registration request]

The air supply pipe 3 is inserted into the through hole of the wall W, and the gap passage between the exhaust pipe 2 and the exhaust pipe 2 loosely inserted concentrically therein is used as an air supply passage, and the inside of the exhaust pipe 2 is used as an exhaust passage, and the air supply pipe 3 is inserted into the through hole of the wall W. The passage communicates with the combustion chamber 1 housed in the casing, and the exhaust side of the combustion chamber 1 communicates with the exhaust pipe 2, and the front case 1 of the casing
With 7 removed, the exhaust pipe 2 and the air supply pipe 3
In a forced air supply/exhaust type combustion appliance that can be connected to the connection part of the combustion chamber 1, an air supply passage 31 is formed on the back side of the combustion chamber 1 in the rear case 16 attached to the wall surface W, and the combustion chamber 1 An air supply box 33 communicating with the air supply passage 31 is formed above, and an exhaust elbow 21 connected to the upper part of the combustion chamber 1 is accommodated in the air supply box 33. The side open end 22 and the air supply opening 32 formed in the rear wall of the air supply box 33 correspond to the arrangement of the exhaust pipe 2 and the air supply pipe 3, and the working opening 15 is formed in the front part of the air supply box 33. This working opening 15
is removably closed with a cover plate 14, the upstream end of the exhaust pipe 2 is connected to the downstream open end 22, and the upstream flange F of the air supply pipe 3 is attached to the periphery of the air supply opening 32. A forced air supply and exhaust type combustion appliance.