US 2019/0093410 A1Published application

Door opening and closing device and refrigerator

AssigneesHefei Hualing Co., Ltd., Midea Group Co., Ltd.

InventorsJun YAO, Mingbo JIANG

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Abstract

The present disclosure provides a door opening and closing device, and a refrigerator. A door of the refrigerator is rotatably connected to a refrigerator body by means of a rotating shaft, wherein the rotating shaft is fixedly connected to the door, the door opening and closing device includes a connecting rod, a first drive means, a second drive means and an elastic member. The connecting rod is arranged on the door, and the connecting rod includes a first end and a second end that matches a shaft hole. The first drive means is connected to the connecting rod and is configured to drive the connecting rod to rotate. The second drive means is configured to drive the connecting rod to move towards the shaft hole, and cause the second end of the connecting rod to be inserted into the shaft hole.

Claims19

Dependent claims

A door opening and closing device for a refrigerator, a door of the refrigerator being rotatably connected to a refrigerator body by means of a rotating shaft, wherein the rotating shaft is fixedly connected to the door, a shaft hole is formed in the rotating shaft, the door opening and closing device comprising:

a connecting rod arranged on the door, the connecting rod including a first end and a second end that matches the shaft hole;
a first drive means connected to the connecting rod and configured to drive the connecting rod to rotate;
a second drive means configured to drive the connecting rod to move towards the shaft hole, and cause the second end of the connecting rod to be inserted into the shaft hole;
and
an elastic member, wherein the elastic member is compressed after the second end of the connecting rod is inserted into the shaft hole so that the elastic member can drive the connecting rod to move away from the shaft hole;
and
wherein after the second drive means drives the second end of the connecting rod to be inserted into the shaft hole, the first drive means drives, by means of the connecting rod, the rotating shaft to rotate, so as to make the door rotate relative to the refrigerator body.

4 more elements

Dependencies are inferred from the claim text.

Facts

Application: 16/198,371Filed 21 Nov 2018
Priority: CN 201610384164.827 May 2016
Published: 28 Mar 2019
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

E05F 15/614
For swinging wings: operated by meshing gear wheels, one of which being mounted at the wing pivot axis; operated by a motor acting directly on the…
F25D 23/02
General constructional features: doors; Covers
F25D 23/028
Doors; Covers: details
E05Y 2201/214
Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor: disengaging means

Family

Application16/198,371Continuation
US 10,563,444 B2Related patent
US 2019/0093410 A1This patent

From the US filing history. Foreign family members aren’t listed.

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