JPS61170803U

JPS61170803U -

Info

Publication number: JPS61170803U
Application number: JP5126985U
Authority: JP
Priority date: 1985-04-05
Filing date: 1985-04-05
Publication date: 1986-10-23

Description

[Brief explanation of the drawing]

第１図は公知の筒煙管式ボイラーの縦断面図
、第２図は同Ａ―Ａ線断面図、第３図は同煙管の
一部切欠側面図、第４図は本案の煙管構造を示す
斜視図、第５図は第１実施例の輪切り状態の断面
図、第６図はＢ―Ｂ線断面図、第７図は第２実施
例の輪切り状態の断面図、第８図は同Ｃ―Ｃ線断
面図である。８……煙管、１０……円管材、１１……環状鍔
部、１２……窪み部、１３，１４……天井及底曲
面部、１５……押込変形部。 Figure 1 is a vertical cross-sectional view of a known smoke tube boiler, Figure 2 is a cross-sectional view taken along the line A--A, Figure 3 is a partially cutaway side view of the smoke tube, and Figure 4 is the smoke tube structure of the present invention. A perspective view, FIG. 5 is a cross-sectional view of the first embodiment in a sliced state, FIG. 6 is a cross-sectional view taken along the line B-B, FIG. 7 is a cross-sectional view of the second embodiment in a sliced state, and FIG. 8 is a cross-sectional view of the same C - It is a sectional view taken along line C. 8... Smoke pipe, 10... Circular pipe material, 11... Annular collar, 12... Recessed part, 13, 14... Ceiling and bottom curved surface parts, 15... Push deformation part.

補正昭６０．８．２２考案の名称を次のように補正する。考案の名称炉筒煙管式ボイラーの煙管構造実用新案登録請求の範囲を次のように補正する
。Amendment August 22, 1980 The name of the invention is amended as follows. Name of the invention: Smoke tube structure of a fire tube boiler The scope of the claim for utility model registration is amended as follows.

【実用新案登録請求の範囲】 (1) 円管材１０の底局面部１４には長さ方向全
体に亘つて一切の加工を施さないで、左右側面に
於いて、水平方向から中心部に向かつて押圧し、
横押込変形部１５を形成して構成したことを特徴
とする炉筒煙管式ボイラーの煙管構造。 (2) 押込変形部１５を、円管材１０の直交線上
に於いて左右方向から均等押圧して対峙形成した
ことを特徴とする実用新案登録請求の範囲第(1)
項記載の炉筒煙管式ボイラーの煙管構造。 (3) 押込変形部１５を、円管材１０の直交線上
に於いて、左右各れか一方から交互に変形したこ
とを特徴とする実用新案登録請求の範囲第(1)項
記載の炉筒煙管式ボイラーの煙管構造。[Scope of Claim for Utility Model Registration] (1) The bottom curved portion 14 of the circular pipe material 10 is not subjected to any processing over the entire length, and the left and right side surfaces are curved from the horizontal direction toward the center. Press,
A smoke tube structure of a furnace and smoke tube type boiler, characterized in that it is configured by forming a lateral push-in deformation portion 15. (2) Utility model registration claim No. (1) characterized in that the push-deformed portions 15 are formed facing each other by pressing equally from the left and right directions on the orthogonal line of the circular pipe material 10.
The smoke tube structure of the furnace and smoke tube boiler described in . (3) The furnace and smoke pipe according to claim (1) of the utility model registration, characterized in that the push-deformed portions 15 are alternately deformed from either the left or right side on the orthogonal line of the circular tube material 10. Smoke pipe structure of a type boiler.

Claims

[Scope of Claim for Utility Model Registration] (1) The bottom curved surface portion 14 of the circular pipe material 10 is not subjected to any processing over its entire length, and the left and right sides are processed from the horizontal direction toward the center. A smoke tube structure of a smoke tube boiler characterized in that it is formed by pressing and forming a horizontally pushed deformed portion 15. (2) Utility model registration claim No. (1) characterized in that the push-deformed portions 15 are formed facing each other by pressing equally from the left and right directions on the orthogonal line of the circular pipe material 10.
The smoke tube structure of the smoke tube boiler described in Section 1. (3) Utility model registration claim No. (1) characterized in that the push-deformed portions 15 are formed alternately from either the left or right side on the orthogonal line of the circular pipe material 10.
The smoke tube structure of the smoke tube boiler described in Section 1.