JPH01170886U

JPH01170886U -

Info

Publication number: JPH01170886U
Application number: JP6544388U
Authority: JP
Priority date: 1988-05-18
Filing date: 1988-05-18
Publication date: 1989-12-04

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図面はこの考案の実施例を示し、第１図は一部
分解斜視図、第２図および第３図は第１図のそれ
ぞれ―線および―線にそう拡大断面図で
ある。１２……ヘツダタンク、２１……タンク本体、
２２……ヘツダプレート、２３……外向き折曲げ
部、２４……折返し部、２７……折曲げ周縁部、
２８……爪、３１……ビード。 The drawings show an embodiment of the invention, with FIG. 1 being a partially exploded perspective view, and FIGS. 2 and 3 being enlarged cross-sectional views taken along lines - and -, respectively, of FIG. 1. 12... Head tank, 21... Tank body,
22...Header plate, 23...Outward bent portion, 24...Folded portion, 27...Folded peripheral edge portion,
28...nail, 31...bead.

Claims

【実用新案登録請求の範囲】ヘツダタンク１２が、断面Ｕ字状タンク本体２
１と、タンク本体２１の開口を閉鎖しているヘツ
ダプレート２２とを備えており、タンク本体２１
の開口縁部に外向き折曲げ部２３が設けられると
ともに、その先端縁部にタンク本体２１の開口側
に折返された折返し部２４が設けられ、ヘツダプ
レート２２に、折返し部２４の外面にろう接され
た折曲げ周縁部２７が設けられるとともに、折曲
げ部周縁部２７の先端複数位置に、折曲げ部２３
にかしめ止められた爪２８が設けられている熱交
換器において、爪２８の下方にある折返し部２４を挟んで折曲
げ周縁部２７の反対側に、爪２８のかしめ止め時
における折返し部２４の変形を防止するビード３
１が設けられていることを特徴とする熱交換器。[Scope of Claim for Utility Model Registration] The header tank 12 has a U-shaped cross-sectional tank body 2.
1 and a header plate 22 that closes the opening of the tank body 21.
An outward bent portion 23 is provided at the opening edge of the tank body 21 , and a folded portion 24 is provided at the tip edge thereof, which is folded back toward the opening side of the tank body 21 . A bent peripheral edge portion 27 is provided, and bent portions 23 are provided at a plurality of positions at the tip of the bent portion peripheral edge portion 27.
In a heat exchanger in which a pawl 28 is caulked, on the opposite side of the bent peripheral edge 27 across the folded portion 24 below the pawl 28, a portion of the folded portion 24 when the pawl 28 is caulked is placed. Bead 3 to prevent deformation
1. A heat exchanger comprising: 1.