JPS61164989U - - Google Patents

Description

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

第１図：本考案断熱扉の構成を示す断面図。第
２図：冷蔵庫用扉として使用される本考案断熱扉
の構成を示す断面図。第３図：従来の冷蔵庫用扉
を冷蔵庫本体に装着し天面側から見た平面図。第
４図：第３図の断面図。 符号、１：扉内板、２：扉枠体、３：扉外板、
４：保持片、５：膨出部、６：断熱材、７：凸設
平坦部、８ａ，８ｂ：扉外板保持片、９：冷蔵庫
本体、１０：断熱扉、１１：ひんじ、１２：ガス
ケツト装着口、Ａ：外面寸法、Ｂ：内面寸法、Ｃ
：段差。 FIG. 1: A sectional view showing the structure of the heat insulating door of the present invention. FIG. 2: A sectional view showing the structure of the inventive heat insulating door used as a refrigerator door. Figure 3: A plan view of a conventional refrigerator door attached to the refrigerator body, viewed from the top side. Figure 4: Cross-sectional view of Figure 3. Code, 1: Door inner plate, 2: Door frame, 3: Door outer plate,
4: Holding piece, 5: Swelling part, 6: Heat insulating material, 7: Convex flat part, 8a, 8b: Door outer plate holding piece, 9: Refrigerator body, 10: Heat insulating door, 11: Hinge, 12: Gasket installation port, A: External dimensions, B: Internal dimensions, C
:Step.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 合成樹脂製の薄板から成り、両側部に膨出部を
一体に形成した扉内板に対向して扉外板を配設し
、上記扉内板と扉外板の周囲間隙を閉塞する扉枠
体を設け、上記扉内板、扉外板、扉枠体の三者か
ら囲繞形成される空間に、発泡断熱材を注入発泡
して成る断熱扉において、上記扉内板の中央部に
、上記両膨出部間を連設する凸設平坦部を形成し
、この凸設平坦部と膨出部との段差を、他の部分
と膨出部との段差より小さくしたことを特徴とす
る断熱扉。 A door frame made of a thin synthetic resin plate, in which a door outer plate is disposed opposite an inner door plate that has bulges integrally formed on both sides, and closes the gap between the inner door plate and the outer door plate. In the insulated door, the foamed insulation material is injected and foamed into a space surrounded by the door inner plate, the door outer plate, and the door frame. A heat insulating device characterized in that a convex flat portion is formed continuously between the two bulged portions, and the step difference between the convex flat portion and the bulged portion is smaller than the step difference between the other portion and the bulged portion. door.