JPS6334952U

JPS6334952U -

Info

Publication number: JPS6334952U
Application number: JP12784286U
Authority: JP
Priority date: 1986-08-21
Filing date: 1986-08-21
Publication date: 1988-03-07

Description

[Brief explanation of the drawing]

第１図はこの考案の一実施例にかかるヒータ装
置の断面図、第２図はパイプヒータ側から見た第
１図に示す実施例の断面図、第３図はヒータ固定
孔へパイプヒータを嵌挿した状態を示すヒータ固
定用基板の断面図、第４図はこの考案の他の実施
例にかかる装置の断面図、第５図はパイプヒータ
側から見た第４図に示す実施例の側面図、第６図
はヒータ固定孔へパイプヒータを嵌挿した状態を
示すヒータ固定用基板の断面図、第７図は従来例
を示す断面図、第８図は他の従来例におけるヒー
タ固定用基板とパイプヒータとの溶着状態を示す
断面図である。１，２１……パイプヒータ、２，２２……ヒー
タ固定用基板、１０，２７……ヒータ固定孔、１
２，３０……突条。 Fig. 1 is a sectional view of a heater device according to an embodiment of this invention, Fig. 2 is a sectional view of the embodiment shown in Fig. 1 as seen from the pipe heater side, and Fig. 3 is a sectional view of the embodiment shown in Fig. 1 when the pipe heater is inserted into the heater fixing hole. FIG. 4 is a sectional view of the heater fixing substrate in a fitted state, FIG. 4 is a sectional view of a device according to another embodiment of the invention, and FIG. 5 is a sectional view of the embodiment shown in FIG. 4 as seen from the pipe heater side. A side view, FIG. 6 is a cross-sectional view of the heater fixing board showing a pipe heater inserted into the heater fixing hole, FIG. 7 is a cross-sectional view of a conventional example, and FIG. 8 is a heater fixing in another conventional example. FIG. 3 is a cross-sectional view showing a welding state between a base plate and a pipe heater. 1, 21... Pipe heater, 2, 22... Heater fixing board, 10, 27... Heater fixing hole, 1
2,30... protrusion.

Claims

[Claims for Utility Model Registration] A pipe heater and a heater fixing board for fixing an end of the pipe heater, the heater fixing board is provided with a heater fixing hole through it, and the heater A protrusion is formed around one opening of the fixing hole, and the end of the pipe heater is inserted into the heater fixing hole to protrude a predetermined length toward the protrusion, and the protrusion is heated and melted. A heater device made by welding a substrate and a pipe heater. 2. The heater device according to claim 1, wherein the pipe heater is a sheathed heater made of stainless steel, and is formed by bending a central portion of its length into a U-shape. 2. The heater device according to claim 1, wherein the heater fixing substrate is provided with a plurality of heater fixing holes, and an end portion of the pipe heater is inserted and fixed into each heater fixing hole. The heater fixing substrate is made of stainless steel, and a cover body is provided on the side where the protrusions are formed.
Heater device as described in section. The heater device according to claim 1, wherein the protrusion is formed to protrude from the surface of the substrate. 2. The heater device according to claim 1, wherein the protrusion is formed by providing a groove around the heater fixing hole on the surface of the substrate so as to protrude from the bottom of the groove.