JPH043275U

JPH043275U -

Info

Publication number: JPH043275U
Application number: JP3998790U
Authority: JP
Priority date: 1990-04-13
Filing date: 1990-04-13
Publication date: 1992-01-13
Anticipated expiration: 2005-04-13
Also published as: JP2510248Y2

Description

[Brief explanation of drawings]

第１図はこの考案の一実施例に係るパイプ接合
構造を示す第２図の−線に沿う断面図、第２
図はそのパイプ接合構造を備えた積層型ヒータコ
アの斜視図、第３図は第２図の−線に沿う断
面図、第４図は第３図の−線に沿う断面図、
第５図は従来のパイプ接合構造を示す斜視図、第
６図は第５図の−線に沿う断面図である。１……タンク、２……偏平チユーブ（チユーブ
）、３……コルゲートフイン、４……流入パイプ
、５……流出パイプ、６ｃ，６ｄ……タンクの内
壁面、８……仕切、１１，１３……パイプ先端部
、１２ａ，１２ｂ，１４ａ，１４ｂ……接合片。 Figure 1 is a sectional view taken along the - line in Figure 2, showing a pipe joint structure according to an embodiment of this invention;
The figure is a perspective view of a laminated heater core equipped with the pipe joint structure, FIG. 3 is a sectional view taken along the - line in FIG. 2, and FIG. 4 is a sectional view taken along the - line in FIG. 3.
FIG. 5 is a perspective view showing a conventional pipe joint structure, and FIG. 6 is a sectional view taken along the line - in FIG. 1... Tank, 2... Flat tube (tube), 3... Corrugated fin, 4... Inflow pipe, 5... Outflow pipe, 6c, 6d... Inner wall surface of tank, 8... Partition, 11, 13 ... Pipe tip, 12a, 12b, 14a, 14b... Joint piece.

Claims

[Scope of utility model registration request]

Flat tubes and bellows-shaped corrugated fins are alternately stacked, the ends of the tubes are inserted into the bottom of the tank, the inside of the tank is divided into two in the longitudinal direction by a partition, and the tubes are stacked in the direction of stacking the tubes. In a pipe joint structure for a heat exchanger tank, in which a tip end of a pipe is inserted into the upper surface of the tank in a direction perpendicular to the pipe, at least the tip end of the pipe is flattened, and the inner wall surface of the tank facing the 1. A pipe joint structure for a heat exchanger tank, characterized in that joint pieces that contact the partitions are provided at the tips of the pipes, and each of the joint pieces and the inner wall surface are joined by brazing.