JPS60139189U

JPS60139189U - Elastic fittings for heat exchanger heating tubes

Info

Publication number: JPS60139189U
Application number: JP2252184U
Authority: JP
Inventors: 岡本　義男
Original assignee: ガデリウス株式会社
Priority date: 1984-02-21
Filing date: 1984-02-21
Publication date: 1985-09-14

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of drawings]

第１図は熱交換器の管板穴と加熱管と取付具との着装前
の相対配置関係を示す断面図、第２図は管板に取付具と
加熱管とが着装された状態を示す断面図、第３図は他の
実施例の断面図である。尚、図中の主要部の符号の次の通りである。１・・・取
付具、２，３・・・外径、４・・・管板穴、５・・・外
径、６・・・管板、７・・・管板穴径、８・・・テーパ
ー面、９・・・外径、１０・・・溝巾、１１・・・管板
々厚、１２・・・内径、１３・・・加熱管、１４・・・
外径、１５・・・内径、１６・・・外径、１７・・パ０
゛リング、１８・・・圧着面、１９・・・凹部。Figure 1 is a sectional view showing the relative arrangement of the heat exchanger tube plate holes, heating tubes, and fittings before they are installed, and Figure 2 shows the tube plate with the fittings and heating tubes installed. Cross-sectional view, FIG. 3 is a cross-sectional view of another embodiment. The main parts in the figure are as follows. 1... Mounting tool, 2, 3... Outer diameter, 4... Tube plate hole, 5... Outer diameter, 6... Tube plate, 7... Tube plate hole diameter, 8...・Tapered surface, 9...Outer diameter, 10...Groove width, 11...Tube plate thickness, 12...Inner diameter, 13...Heating tube, 14...
Outer diameter, 15...Inner diameter, 16...Outer diameter, 17...Pa 0
Ring, 18... crimp surface, 19... recess.

Claims

[Scope of utility model registration request]

(1) In the mounting mechanism of the heat exchanger, tube plate, and heating tube,
Using an elastic material that maintains airtightness between the inner diameter surface of the tube plate hole and the outer diameter surface of the heating tube by its own elastic force, the outer diameter of the surface in contact with the inner diameter surface of the tube plate hole is larger than the inner diameter of the tube plate hole, and the outer diameter An elastic fitting for a heating tube of a heat exchanger, characterized in that the inner diameter of the surface in contact with the surface is smaller than the outer diameter of the heating tube.

(2) An elastic fitting for a heating tube of a heat exchanger according to claim 1, wherein the elastic material has heat and corrosion resistance.

(3) It is equipped with an overhanging portion having an outer diameter larger than the inner diameter of the tubesheet hole on the insertion side into the tubesheet hole, and a flange portion having an outer diameter larger than the inner diameter of the tubesheet hole on the pressing side into the tubesheet hole. Claims 1 to 2 of claims for utility model registration characterized by
Elastic fittings for heating tubes for heat exchangers as described in Section 1.

(4) A request for utility model registration characterized in that the outer diameter of the tip on the insertion side into the tubesheet hole is smaller than the inner diameter of the tubesheet hole, and the surface is tapered from the tip on the insertion side to the tubesheet hole to the overhanging part. An elastic fitting for a heating tube of a heat exchanger according to items 1 to 3.

(5) Heating of the heat exchanger according to claims 1 to 4 of the claims registered as a utility model, characterized in that the surface in contact with the inner diameter surface of the tube plate hole and/or the surface in contact with the outer surface of the heating tube has a recessed portion. Elastic fittings for tubes.