Refrigerator

Abstract

The present disclosure provides a refrigerator, including a storage compartment and a door opening or closing the storage compartment. A vacuum sealing device is disposed on the door. The vacuum sealing device includes an upper support and a lower support opposite to each other and a vacuumization assembly. The lower support is detachably connected to the door; opening cavities are formed on mutually-opposed surfaces of the upper support and/or the lower support; the upper support can move close to or away from the lower support under the drive of a driving device; the upper supports moves close to the lower support until the upper support and the lower support are butt-joined, and the opening cavities sealingly form a vacuumization region by sealing portions; the vacuumization assembly is in communication with the vacuumization region through a pipe to perform vacuumization or depressurization for the vaccumization region.

1 . A refrigerator, comprising:
 a storage compartment;   a door opening or closing the storage compartment, wherein a vacuum sealing device is disposed on the door, and the vacuum sealing device comprises:   an upper support and a lower support opposite to each other, wherein opening cavities are formed on mutually-opposed surfaces of the upper support and/or the lower support; when the upper support and the lower support are butt-joined, the opening cavities sealingly form a vacuumization region by sealing portions; the lower support is detachably mounted to the door;   a driving device configured to drive the upper support close to or away from the lower support;   a vacuumization assembly in communication with the vacuumization region through a pipe to perform vacuumization or depressurization for the vacuumization region.   
     
     
         2 . The refrigerator according to  claim 1 , wherein a mounting hole communicating inside with outside is formed on the door, the lower support and a small insulation door are disposed in the mounting hole, and the small insulation door is at an inner side of the door. 
     
     
         3 . The refrigerator according to  claim 2 , wherein the small insulation door and the lower support are integrally formed. 
     
     
         4 . The refrigerator according to  claim 3 , wherein the lower support and the small insulation door are formed of a first housing and a second housing with opening cavities and an insulation piece disposed between the first housing and the second housing; the first housing is snap-fitted with the second housing, the first housing is provided with an extension arm along a direction away from the second housing, and the lower support is formed on the extension arm. 
     
     
         5 . The refrigerator according to  claim 2 , wherein the lower support is detachably connected to the small insulation door. 
     
     
         6 . The refrigerator according to  claim 5 , wherein the lower support and the small insulation door are formed of the first housing and the second housing with opening cavities and the insulation piece disposed between the first housing and the second housing; the first housing is snap-fitted with the second housing, the first housing is provided with an extension arm along a direction away from the second housing, and the lower support is formed on the extension arm. 
     
     
         7 . The refrigerator according to  claim 2 , wherein a small door gasket is disposed between the small insulation door and a door inner liner. 
     
     
         8 . The refrigerator according to  claim 2 , wherein a locking device is disposed between the small insulation door and the door inner liner, and the locking device is used to lock the small insulation door to the door. 
     
     
         9 . The refrigerator according to  claim 8 , wherein the locking device comprises:
 a locking hook assembly disposed on the small insulation door and a locking groove disposed on the door inner liner;   wherein the locking hook assembly comprises a locking hook inserted through the small insulation door, the locking hook switches between a first position and a second position, and the locking hook, when in the first position, is mated with the locking groove to lock the small insulation door, and when in the second position, is separated from the locking groove to unlock the small insulation door.   
     
     
         10 . The refrigerator according to  claim 1 , wherein the lower support is detachably mounted to the door from an outer side of the door. 
     
     
         11 . The refrigerator according to  claim 10 , wherein the lower support is detachably connected to the door through a second push ejection switch, or the lower support is detachably connected to the door by snap-fitting. 
     
     
         12 . The refrigerator according to  claim 1 , wherein the vacuum sealing device further comprises an insulation cushion disposed at one of the lower support and the upper support; and a heating device disposed at the other of the lower support and the upper support, wherein the insulation cushion and the heating device are opposed to each other. 
     
     
         13 . The refrigerator according to  claim 1 , wherein the vacuumization assembly comprises a vacuum pump in communication with the vacuumization region through a pipe; a pressure detection device and a pressure relief device are further disposed on the pipe, the pressure detection device is used to detect the pressure of the vacuumization region, and the pressure relief device is controlled to release the pressure of the vacuumization region. 
     
     
         14 . The refrigerator according to  claim 13 , wherein the driving device comprises a motor and a transmission mechanism, the transmission mechanism is used to convert a rotational movement of the motor into a rectilinear movement and an output end of the transmission mechanism is connected with the upper support. 
     
     
         15 . The refrigerator according to  claim 13 , wherein the driving device and the vacuumization assembly are mounted in one mounting base, a mounting cavity recessed inwardly is disposed at the door housing, and the mounting base and the upper support are mounted into the mounting cavity. 
     
     
         16 . The refrigerator according to  claim 15 , wherein a bar table door is disposed at an area of the outer side of the door where the vacuum sealing device is located, a lower end of the bar table door is hinged with the door, and an upper end of the bar table door is connected with the door housing through a first push ejection switch. 
     
     
         17 . The refrigerator according to  claim 16 , wherein an inner side of the bar table door further includes an operation panel covered on an outer side of the mounting cavity, an inserting hole applicable for inserting a storage bag to be inserted is formed on the operation panel, a display control device is further disposed on the operation panel and the display control panel comprises an indicating device for displaying a working state of the vacuum sealing device. 
     
     
         18 . The refrigerator according to  claim 17 , wherein an auxiliary door plate is disposed at an area of the door where the vacuum sealing device is located, a surface of the auxiliary door plate is flushed with a surface of the door housing, an inserting hole applicable for inserting a storage bag to be inserted is formed on the auxiliary door plate, a display control device is further disposed on the auxiliary door plate and the display control device comprises an indicating device for displaying a working state of the vacuum sealing device.