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1. CN107421222 - Device capable of realizing automatic door opening and closing of refrigerator

Office China
Application Number 201710427270.4
Application Date 08.06.2017
Publication Number 107421222
Publication Date 01.12.2017
Publication Kind A
IPC
F25D 23/02
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
23General constructional features
02Doors; Covers
F25D 29/00
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION OR SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
29Arrangement or mounting of control or safety devices
CPC
F25D 23/028
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
23General constructional features
02Doors; Covers
028Details
F25D 29/003
FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
DREFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT COVERED BY ANY OTHER SUBCLASS
29Arrangement or mounting of control or safety devices
003for movable devices
Applicants HEFEI MEILING CO., LTD.
Inventors CAI XUNRU
LIU LEI
ZHANG KUICANG
JIAO QIYI
Title
(EN) Device capable of realizing automatic door opening and closing of refrigerator
(ZH) 一种可以实现冰箱自动开关门的装置
Abstract
(EN)
The invention discloses a device capable of realizing automatic door opening and closing of a refrigerator. The device comprises an arc-shaped chain rod, a driving gear, a driven gear and a limiting and fixing wheel, a motor and a controller, wherein a plurality of inner teeth are arranged on the inner side of the arc-shaped chain rod; one end of the arc-shaped chain rod is fixed on a door body, and the other end of the arc-shaped chain rod extends into a containing cavity at the top of a box body; the driving gear, the driven gear and the inner teeth of the arc-shaped chain rod are meshed with one another in sequence, the driven gear is located on the inner side of the arc-shaped chain rod, and the limiting and fixing wheel is located on the outer side of the arc-shaped chain rod; the limiting and fixing wheel abuts against the outer side of the arc-shaped chain rod through a spring support, so that the driven gear is meshed with the arc-shaped chain rod all the time; the driving gear is installed on an output shaft of the motor; the motor is electrically connected with the controller and is controlled by the controller; and the motor drives the driving gear to rotate, so that the driving gear drives the driven gear to rotate, the driven gear drives the arc-shaped chain rod to move, and the arc-shaped chain rod moves and pulls the door body so as to realize automatic door opening or closing of the door body. The device capable of realizing automatic door opening and closing of the refrigerator has the advantage that automatic door opening and closing is easily achieved.

(ZH)
本发明公开了一种可以实现冰箱自动开关门的装置,包括弧形链杆、主动齿轮、从动齿轮、限位固定轮、电机及控制器,弧形链杆内侧设有多个内齿,弧形链杆一端固定在门体上、另一端延伸至箱体顶部的容纳空腔内,主动齿轮、从动齿轮和弧形链杆的内齿依次相啮合,且从动齿轮和限位固定轮分别位于弧形链杆的内侧和外侧,限位固定轮通过一个弹簧支架紧抵在弧形链杆的外侧使得从动齿轮与弧形链杆始终相啮合,主动齿轮安装在电机的输出轴上,电机与控制器电连接并受控于控制器,通过电机带动主动齿轮转动,从而带动从动齿轮旋转,由从动齿轮带动弧形链杆移动,弧形链杆移动拉动门体实现门体的自动开门或关门。本发明优点:轻松实现自动开关门。