WO2022033149A1 - Refrigerator - Google Patents

Abstract

Disclosed by the present application are a refrigerator and an installation structural member applied to the refrigerator. The refrigerator comprises a low-temperature storage chamber and a door body for opening or closing the storage chamber. The installation structural member is arranged in an internal space of the door body, and is used for installing components arranged on the door body. A vacuum storage device is detachably arranged on the door body. A vacuuming assembly is arranged inside the door body, detachably communicates with the vacuum storage device by means of a pipeline, and used for vacuuming a vacuum storage space. The installation structural member comprises an installation part, a support part, a first connecting part and a second connecting part. The installation part is connected to the first connecting part by means of the support part. The first connecting part is connected to a lower end cover, and is used for fixing the installation structural member inside the door body. The second connecting part is used for fixing the installation structural member on the inner side wall of a cavity in the door body.

Description

a refrigerator

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application filed with the China Patent Office on August 14, 2020, the application number is 202010817978.2, and the invention name is a refrigerator and a mounting structure applied to the refrigerator, and on August 14, 2020 The priority of the Chinese patent application filed with the Chinese Patent Office with the application number of 202010817063.1 and the invention name is refrigerator, the entire contents of which are incorporated in this application by reference.

technical field

The present application relates to the technical field of household appliances, in particular to a refrigerator.

Background technique

In recent years, people's health awareness has gradually increased, and the demand for food preservation has also increased. Refrigerator is the most commonly used household appliance for food storage, and food preservation storage has become an urgent technical requirement in the field of refrigerators. Vacuum preservation technology is increasingly used in the field of refrigerator preservation.

SUMMARY OF THE INVENTION

On the one hand, some embodiments of the present application provide a refrigerator, comprising: a low-temperature storage compartment for forming a low-temperature storage space; a door body for opening or closing the low-temperature storage compartment; a mounting structure member, disposed in the inner space of the door body, It is used to install some components for refrigerators arranged on the door body; the vacuum storage device is detachably arranged on the door body, and a vacuum storage space is formed inside the vacuum storage device; the vacuuming component is arranged in the inner space of the door body, and is connected with the vacuum storage device. The storage device is detachably communicated through a pipeline, and is used for evacuating the vacuum storage space.

On the other hand, some embodiments of the present application provide a refrigerator, which includes: a box body, defining a low-temperature storage room with heat insulation; a door body, arranged on the box body, to open or close the low-temperature storage room; There is a foam layer, and the door body includes a metal door casing with a front panel and a side panel, a bottom frame arranged at the bottom of the door casing, and an inner casing plate opposite to the front panel; the vacuum storage device is arranged at the door body near the low temperature One side of the storage room, in which air can be evacuated to form an air pressure lower than the atmospheric pressure outside the refrigerator to facilitate the preservation of food; a vacuum pump, which is arranged on the top of the door body; and the vacuum pump is connected with a suction line at least partially located in the foam layer The installation piece is arranged in the foam layer of the door body; the installation piece includes: an adapter plate, which extends from the front panel to the direction of the inner shell plate; a fixed plate, one end of which is connected with the bottom frame, and the other end is connected with the switch The connecting plate is connected to the end close to the front panel; wherein, the fixing plate abuts against the front panel; the mounting plate is connected to the end of the adapter plate close to the inner shell plate, and the mounting plate abuts against the inner shell plate; the mounting plate It is provided with an abutment part abutting against the front panel; an air extraction joint communicates with the air extraction pipeline; the air extraction joint is rotatably arranged on the mounting plate to connect or separate with the vacuum storage device.

Description of drawings

FIG. 1 is a structural diagram of a refrigerator according to some embodiments of the present application;

FIG. 2 is an outline view of an inner cavity of a refrigerator according to some embodiments of the present application;

3 is a structural diagram of a vacuum storage device according to some embodiments of the present application;

Fig. 4 is the enlarged schematic diagram at "B" in Fig. 3;

5 is an internal structural diagram of an ice door body according to some embodiments of the present application;

6 is an external structural diagram of the connection between the vacuum storage device and the suction joint according to some embodiments of the present application;

7 is an internal structural diagram of the connection between the vacuum storage device and the suction joint according to some embodiments of the present application;

8 is a structural diagram of a first installation space according to some embodiments of the present application;

FIG. 9 is an internal structure diagram of a door cavity according to some embodiments of the present application;

10 is a structural diagram of a mounting portion and a mounting plate according to some embodiments of the present application;

FIG. 11 is a structural diagram of the connection between a mounting structure and a fixed structure according to some embodiments of the present application;

FIG. 12 is a structural diagram of a connection between a mounting structure and a fixed structure in another direction according to some embodiments of the present application;

13 is a structural diagram of a mounting structure according to some embodiments of the present application;

Figure 14 is an enlarged schematic view at "A" in Figure 13;

FIG. 15 is a structural diagram of an installation part according to some embodiments of the present application;

16 is a schematic diagram of the overall structure of a refrigerator according to some embodiments of the present application;

17 is a schematic structural diagram of a state in which an air extraction joint of a refrigerator is connected to a vacuum storage device according to some embodiments of the present application;

FIG. 18 is a schematic structural diagram of a separated state of an air extraction joint of a refrigerator and a vacuum storage device according to some embodiments of the present application;

19 is a schematic diagram of an exploded structure of a door of a refrigerator according to some embodiments of the present application;

20 is a schematic diagram of the internal structure of a door body of a refrigerator according to some embodiments of the present application;

21 is a schematic structural diagram of a one-way ventilation unit of a refrigerator according to some embodiments of the present application;

22 is a partial structural schematic diagram of a door body of a refrigerator according to some embodiments of the present application;

23 is a partial structural schematic diagram of a door body of a refrigerator according to some embodiments of the present application from another perspective;

FIG. 24 is a schematic structural diagram of a mounting member of a refrigerator according to some embodiments of the present application;

FIG. 25 is a schematic diagram from another perspective of a mount for a refrigerator according to some embodiments of the present application;

26 is a cross-sectional view of a door of a refrigerator according to some embodiments of the present application;

Figure 27 is an enlarged view of the A region of Figure 26;

FIG. 28 is a schematic structural diagram of a mounting seat of a refrigerator according to some embodiments of the present application.

detailed description

The specific implementations of the present application will be described in further detail below with reference to the accompanying drawings and embodiments. The following examples are used to illustrate the present application, but are not intended to limit the scope of the present application.

In the description of this application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", The orientation or positional relationship indicated by "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying The device or element referred to must have a particular orientation, be constructed and operate in a particular orientation, and therefore should not be construed as a limitation of the present application.

The terms "first" and "second" are only used for descriptive purposes, and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may expressly or implicitly include one or more of that feature. In the description of this application, unless stated otherwise, "plurality" means two or more.

In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be internal communication between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood in specific situations.

FIG. 1 is a structural diagram of a refrigerator according to some embodiments of the present application; FIG. 2 is an outline view of an inner cavity of a refrigerator according to some embodiments of the present application. As shown in FIGS. 1 and 2 , the refrigerator has an approximately rectangular parallelepiped shape. The appearance of the refrigerator is defined by a box body defining the low temperature storage room 100 and a door body 200 disposed on the box body. The door body 200 is rotatably connected to the box body and is fastened to the opening of the low temperature storage room 100; The outer shell of the door body 200 on the outside of the low temperature storage room 100 , the inner container of the door body 200 , the upper end cover 204 and the lower end cover 205 located on the inner side of the cryogenic storage room 100 , and the outer shell of the door body 200 , the inner container of the door body 200 , the upper end cover 204 and the lower end cover The thermal insulation layer between 205; usually, the thermal insulation layer is filled with foam.

As shown in FIG. 1 and FIG. 2 , the door body 200 includes an outer shell, an inner container, an upper end cover 204 and a lower end cover 205. The outer shell is an integral frame of the door body 200 and is used to support and protect the entire door body 200. The inner container It is arranged inside the housing 202, on the side of the door 200 opposite to the low-temperature storage room 100, and a cavity is formed between the inner liner of the housing, and the cavity is provided with a plurality of components and filled with foaming material , which is used to keep the low temperature storage room 100 warm.

The top end of the door body 200 is provided with an upper end cover 204, the lower end of the door body 200 is provided with a lower end cover 205, the detachable sealing cover of the upper end cover 204 is arranged on the upper opening of the cavity, the upper end cover 204 forms a first installation space 214, and the lower end cover 205 A detachable sealing cover is provided at the lower opening of the cavity, and a second installation space 215 is formed in the lower end cover 205. The first installation space 214 and the second installation space 215 are respectively used to place some components of the refrigerator, wherein the second installation space Fixed components are provided in 215 .

It should be noted that, since a plurality of refrigerator components are arranged in the inner cavity of the door body 200, the detachable covers of the upper end cover 204 and the lower end cover 205 are provided on the cavity to facilitate the maintenance and inspection of the door body 200. When a component in the body 200 fails, the interior of the cavity of the door body 200 can be inspected through the upper and lower end caps 205 .

The low-temperature storage compartment 100 is a box with an opening. The low-temperature storage compartment 100 is vertically divided into a lower freezing compartment and an upper refrigerating compartment. Each of the separated spaces may have an independent storage space. The space is partitioned into left and right sides to respectively form refrigerating chambers, which can be selectively opened or closed through a refrigerating chamber door body 200 pivotally mounted on the refrigerating chambers.

FIG. 5 is an internal structural diagram of an ice door body according to some embodiments of the present application. As shown in FIG. 1 , FIG. 2 and FIG. 5 , the door body 200 (specifically, the door body 200 of the refrigerating room) is detachably provided with a vacuum storage device 300 , and the vacuum storage device 300 can carry the vacuum storage device 300 with him according to the needs of the user. Carrying, the convenience of using the vacuum storage device 300 is improved. The vacuum storage device 300 provides a vacuum storage environment for storing items. The vacuum storage device 300 uses an independent box body for storage and freshness. Compared with the traditional drawer seal, the box The sealing process and difficulty of the body will be greatly reduced, which is convenient for processing.

If the vacuum storage device 300 is located on the inner side of the door body 200, that is, in a low temperature storage room, the storage items in the vacuum storage device 300 will obtain a vacuum and low temperature storage environment, and the preservation effect is better.

In a specific embodiment of the present application, a mounting frame 201 is provided on the inner tank of the door body 200, the vacuum storage device 300 is placed on the mounting frame 201, and the installation position of the mounting frame 201 needs to ensure that when the door body 200 is closed, it is placed on the mounting frame 201. The vacuum storage device 300 on the mounting rack 201 should be in a low temperature storage room.

In other embodiments of the present application, the vacuum storage device 300 may also be disposed at other positions in the refrigerator, which is not limited herein.

As shown in FIG. 1 and FIG. 5 , the door body 200 is also provided with a vacuum pumping assembly. The vacuum pumping assembly includes: a vacuum tube 601 , a vacuum pump 400 and a suction joint 500 . One end of the vacuum tube 601 is connected to the vacuum pump 400 , and the other end passes through the door body 200 The inner wall is connected with a suction joint 500 , which is detachably connected to the sealing interface 303 . When vacuuming, the vacuum pump 400 works, and the gas in the vacuum storage device 300 is discharged under the action of the vacuum pump 400 .

FIG. 8 is a structural diagram of a first installation space according to some embodiments of the present application. As shown in FIG. 1 , FIG. 5 and FIG. 8 , the vacuum pump 400 is arranged in the first installation space 214 and is used to extract the power of air. The vacuum pump 400 is connected to the vacuum tube 601 , and the vacuum tube 601 is arranged in the inner cavity of the door body 200 . One end of 601 is connected to the vacuum pump 400, and the other end is connected to the suction joint 500.

When the vacuum storage device 300 needs to be evacuated, the suction joint 500 is inserted into the sealing interface 303 of the vacuum storage device 300, the suction joint 500 is communicated with the sealing interface 303, the vacuum pump 400 is operated, and the air in the vacuum storage device 300 passes through The sealing interface 303-vacuum connector-vacuum tube 601-vacuum pump 400 is discharged in sequence.

When the vacuum storage device 300 needs to be removed, the suction joint 500 is rotated, and the suction joint 500 is pulled out from the sealing interface 303 to realize the separation of the vacuum storage device 300 and the vacuuming assembly.

It should be noted that the suction joint 500 is connected to the vacuum storage device and the vacuum tube 601, and the suction joint 500 and the installation structure are rotatably connected to realize the conversion of the connection state with the vacuum storage device 300, thereby making the vacuum storage device 300 detachable If the vacuum storage device 300 is installed on the door body 200, the user can take off the vacuum storage device 300 at will to meet the needs of use.

In a possible implementation manner of the present application, the vacuum tube 601 is a flexible tube or a hard tube, and the vacuum tube 601 is connected to the foam layer of the door body 200 through a fixing block, and will not additionally occupy the refrigerating room in the low-temperature storage room 100 , making full use of the The refrigerating chamber on the side of the inner liner 203 of the door body 200 improves the utilization rate of the refrigerating chamber of the refrigerator.

In a possible implementation of the present application, the vacuum pump 400 is a brush vacuum pump 400, which is low in cost, small in size, and easy to take over. The vacuum pump 400 is arranged inside the door body 200. When the vacuum pump 400 is turned on, the air in the vacuum storage device 300 passes through The vacuum tube 601 is discharged out of the device to obtain a vacuum environment. In a possible implementation manner of the present application, the vacuum pump 400 is provided to the vacuum pump 400 placement cavity on the top of the door body 200, and the door body 200 is provided with a cavity cover, and the cavity cover is detachably covered with the vacuum pump 400 through the clamping groove and the clamping piece. The opening of the cavity is placed to facilitate maintenance of the vacuum pump 400 .

It should be noted that the vacuum storage device 300 provides a vacuum storage environment for the stored items, and at the same time, the vacuum storage device 300 is arranged on the door body 200 so as not to additionally occupy the refrigeration space in the storage room, and the side of the inner tank 203 of the door body 200 is fully utilized. The refrigerating space of the refrigerator is improved, the utilization rate of the refrigerating space of the refrigerator is improved, and the connection between the vacuum tube 601 and the vacuum storage device 300 is facilitated.

In addition, it should be noted that, as shown in FIG. 9 , the vacuum pump 400 extracts the air in the vacuum storage device 300 through the vacuum tube 601, and performs low-temperature preservation on the food to be preserved in the vacuum storage device 300 to reduce the oxygen content in the storage space. The vacuum storage device Items stored within 300 will be stored in a vacuum and low temperature storage environment, with better fresh-keeping effect and improved fresh-keeping effect and duration.

FIG. 6 is an external structural diagram of the connection between the vacuum storage device and the suction joint according to some embodiments of the present application. As shown in FIG. 3 , FIG. 4 and FIG. 6 , the vacuum storage device 300 includes a vacuum box 302 and a vacuum box cover 301 . The vacuum box cover 301 is sealed and provided on the vacuum box 302 , and a vacuum box cover 301 and the vacuum box 302 are provided between the vacuum box cover 301 and the vacuum box 302 . The sealing strip 306 improves the sealing effect of the vacuum storage device 300 and prevents external air from entering the sealed cavity and affects the vacuum effect, so as to form a vacuum-tight storage space.

The vacuum box cover 301 is provided with a sealing interface 303, a pressure relief valve 304 and a fixing device 305. The pressure relief valve 304 is arranged in the sealing interface 303 and is used to block or connect the gas in the test box and the outside gas. The pressure relief valve 304 is: One-way valve, when inhaling the sealing interface 303, the pressure relief valve 304 is opened by suction, and the air in the vacuum storage device 300 is sucked out of the outside. When the inhalation is stopped, the pressure relief valve 304 is naturally closed, and the pressure relief valve 304 The sealing interface 303 is blocked to prevent the gas in the storage chamber from being discharged, so that the vacuum storage device 300 is completely sealed and vacuum pressure is maintained.

The sealing interface 303 is a concave part concave to the inner side of the vacuum box 302, and the pressure relief valve 304 is arranged inside the concave sealing interface 303, and the position is lower than the upper end surface of the vacuum box cover 301, so that the upper end surface of the pressure relief valve 304 is not high On the upper end surface of the upper cover body, when the box body is transported, foreign objects can be prevented from scratching against the pressure relief valve 304 or the sealing interface 303 and destroying the vacuum state in the box body.

It should be noted that the separate design of the vacuum storage device 300 can facilitate the insertion and removal of the food to be kept fresh, and the pressure relief valve 304 is provided on the vacuum box cover 301 to facilitate opening the vacuum box cover 301. When the vacuum storage device 300 is in a vacuum state And when the vacuum box cover 301 needs to be opened, the storage chamber needs to be decompressed, and the decompression valve 304 can be manually pulled toward the outside of the box body, and the decompression valve 304 can be pulled out and opened, and the outside air can quickly enter through the decompression valve 304. In the vacuum storage device 300 , the air pressure in the vacuum storage device 300 is balanced with the atmospheric pressure, and the vacuum storage device 300 can be opened by releasing the fixing device 305 .

FIG. 3 is a structural diagram of a vacuum storage device according to some embodiments of the present application; FIG. 4 is an enlarged schematic diagram of the position “B” in FIG. 3 . As shown in FIG. 3 and FIG. 4 , the vacuum box 302 and the vacuum box cover 301 are locked and sealed by the fixing device 305. During the vacuuming operation of the storage chamber, the vacuum storage device 300 needs to be in a closed state to avoid external The gas enters the storage cavity, and at this time, the vacuum box cover 301 and the vacuum box 302 can be fastened and locked by the locking assembly, so as to achieve the above purpose.

In a specific embodiment of the present application, as shown in FIGS. 3 and 4 , the fixing device 305 is a hook 307 rotatably arranged on the vacuum box cover 301 and a strip-shaped curved buckle arranged in the locking area of the vacuum box 302 308, the hook 307 is buckled on the buckle 308 to ensure that the vacuum box cover 301 is locked on the vacuum box 302 and the sealing of the vacuum storage device 300 is ensured. When the hook 307 is buckled to the buckle 308, The vacuum storage device 300 is in a locked state; when the hook 307 is disengaged from the buckle 308 and turned away from the locking area, the vacuum storage device 300 is in an unlocked state. In addition, the fixing device 305 is provided in the width direction of the vacuum storage device 300 On the opposite sides, double-sided fastening helps improve the sealing effect.

Fig. 6 is an external structural diagram of the connection between the vacuum storage device and the suction joint according to some embodiments of the present application; Fig. 7 is an internal structural diagram of the connection between the vacuum storage device and the suction joint according to some embodiments of the present application. As shown in FIG. 6 and FIG. 7 , a suction joint 500 is provided at the connection between the vacuum tube 601 and the vacuum storage device 300 . In the concave portion, a pluggable connection is realized, and at the same time, the suction joint 500 is communicated with the vacuum storage device 300 , and the suction joint 500 is rotatably arranged on the door body 200 .

10 is a structural diagram of a mounting portion and a mounting plate according to some embodiments of the present application. As shown in FIG. 6 , FIG. 7 and FIG. 10 , one end of the suction joint 500 is rotatably connected to the installation cover. In the sealed interface 303 of the storage device 300, a plug-in connection is realized. In an embodiment of the present application, a rotating device is provided at the connection between the suction joint 500 and the installation cover to ensure that the suction joint 500 can rotate at a certain angle around the connection of the installation cover, which is convenient for the suction joint 500 and the vacuum storage device 300 It also solves the problem of placement of the suction joint 500 when the suction joint 500 is disconnected from the vacuum storage device 300.

As shown in FIG. 6 and FIG. 10 , in some embodiments of the present application, the refrigerator includes a switch 713 component, and the switch 713 component is electrically connected to the vacuuming component to control the on-off of the circuit of the vacuuming component.

FIG. 11 is a structural diagram of the connection between a mounting structure and a fixed structure according to some embodiments of the present application; FIG. 12 is a structural diagram of a connection between a mounting structure and a fixed structure in another direction according to some embodiments of the present application; Structural diagrams of installation structural members of some embodiments of the application; FIG. 14 is an enlarged schematic view of “A” in FIG. 13 . As shown in FIG. 11 to FIG. 14 , the mounting structure includes a mounting portion 710 , a supporting portion 720 , a first connecting portion 730 and a second connecting portion 740 , and the mounting structure is disposed between the housing of the door body 200 and the inner container. In the interior space, the mounting structure is a vertical mounting frame structure as a whole. The mounting portion 710 is provided with a mounting plate 712 and a mounting cavity 711. The mounting cavity 711 is a space formed by the mounting structure plate facing the door body 200, and the mounting plate 712 is covered. At the open end of the mounting cavity 711, one end of the support portion 720 is connected to the mounting portion 710, and the other end is connected to the first connecting portion 730. The support portion 720 is used to support the mounting portion 710 and form the overall structure of the mounting structure. A connecting portion 730 is fixedly installed on the fixing component provided inside the lower end cover 205 , and the second connecting portion 740 is disposed on the mounting structure for supporting and constraining the mounting structure on the inner sidewall of the inner cavity of the door body 200 .

It should be noted that the mounting structure is used to install some components for refrigerators arranged on the door body 200, including the suction joint 500, etc., and the mounting structure is fixedly installed on the lower end cover 205 of the door body 200. On the one hand, the interior of the door body 200 plays a role of supporting the internal structure of the door body 200 , and on the other hand, the more important thing is that the arrangement of the installation structural components facilitates the installation of other structural components on the door body 200 .

FIG. 15 is a structural diagram of a mounting portion according to some embodiments of the present application. As shown in FIG. 10 and FIG. 15 , the mounting structure includes a mounting portion 710 . The mounting portion 710 is provided with a mounting plate 712 and a mounting cavity 711 . The mounting cavity 711 is a space recessed toward the door body 200 for accommodating a vacuum The junctions of the vias and the junctions of the conductive paths. In some specific embodiments of the present application, the interior of the installation cavity 711 is a trachea placement area 714 and a lead wire 602 placement area, respectively, the trachea placement area 714 is on the lower layer, and the lead wire 602 placement area is on the upper layer, and the two areas are separated by a partition 716. The placement area 714 is provided with a vacuum tube 601 joint for accommodating the vacuum tube 601; the wire 602 placement area is provided with a switch 713 for the connection of the control circuit, and the wire 602 placement area is also provided with a wire 602 hole on the side wall for passing through the connection Wire 602 of switch 713.

It should be noted that the installation structure requires space for accommodating the trachea and the wire 602, and the installation cavity 711 is set as a cavity with a concave structure, so as to avoid occupying the refrigerated space due to the convexity of the installation cavity 711, and improve the occupancy rate of the refrigerated space.

It should also be noted that the trachea placement area 714 is connected with a joint for connecting the vacuum tube 601, the wire 602 placement area is communicated with a wire 602 hole for passing the wire 602, and the trachea placement area 714 and the wire 602 placement area are set It is a two-layer structure, which can separate the gas and electricity in the installation cavity 711, which increases the safety of the installation structure.

In a specific embodiment of the present application, as shown in FIG. 10 , the switch 713 is set as a push-type contact switch 713 , which is set in the placement area of the wire 602 of the installation cavity 711 , and communicates with the vacuum pump 400 through the wire 602 to control the opening of the vacuum pump 400 On the mounting plate 712, there is a switch 713 hole, which is used to expose the button of the switch 713, which is convenient for the user to operate. Similar to the vacuum tube 601, the conductive device is also arranged inside the door body 200, and is reserved in the installation cavity 711. A section of the conductive device reserves a certain movable range for the disassembly of the mounting plate 712 .

When the user presses the switch 713, the switch 713 turns on the circuit, and the power supply of the circuit shares the same power supply with other electrical components of the refrigerator. In this embodiment, the power supply is a household AC power supply. The switch 713 pops up, the circuit is disconnected, and the vacuum pump 400 stops working.

In some specific embodiments, the refrigerator is provided with a controller, and the controller is electrically connected to the switch 713 in the same way, and pressing the switch 713 drives the controller to run.

In a specific embodiment of the present application, as shown in FIG. 12 , the support portion 720 is a plate-like structure as a whole, and there are fence-shaped baffles 721 extending along the normal direction of the surface of the support portion 720 , and the baffles 721 are staggered into a plurality of rectangles. , which strengthens the support portion 720 and also increases the stability of the support portion 720 .

The support portion 720 is provided with a plurality of flow holes 722 to ensure that the foam material flows in the inner space of the door body 200 . In an embodiment of the present application, the flow holes 722 are set to be circular to ensure the structure of the support portion 720 . At the same time of stability, the area of the orifice 722 is increased.

It should be noted that a fence-type baffle 721 is provided on one side of the support portion 720 to enhance the structural strength of the support portion 720, and a plurality of flow holes 722 are reserved in the support portion 720, so that the foaming material can be foamed in the cavity When the foaming material flows sufficiently, the foaming material can better fill the inner space of the entire door body 200 and avoid the influence of the installation structure on the thermal insulation performance of the door body 200 .

As shown in FIG. 11 and FIG. 13 , the installation structure further includes a first connection part 730 and a second connection part 740 . The first connection part 730 is disposed at the lower part of the support part 720 and connects the installation structure and the lower end cover 205 . The connecting portion 740 is disposed on one side of the installation structure relative to the door body 200 , supports the installation structure and is limited to the inner side wall of the door body 200 .

In an embodiment of the present application, as shown in FIG. 11 and FIG. 13 , the first connecting portion 730 is provided with a mounting hook 731 , and a mounting hole is opened at a position corresponding to the fixing component of the lower end cover 205 , and is located in the second mounting space 215 There is a chute perpendicular to the bottom surface of the lower end cover 205, and the installation structure is inserted into the chute to ensure that the installation structure is perpendicular to the lower end cover 205. The parts are fixed on the lower end cap 205.

It should be noted that, in other embodiments of the present application, the mounting structure and the lower end cover 205 also include other connection forms, which are not limited herein.

It should also be noted that, since the door body 200 needs to play a supporting role, the door body 200 is made of sheet metal material, but it cannot be a plastic part plug-in structure. The connection between 216 and the installation structure can solve the problem that the installation structure cannot be reliably connected in the door body 200, and improve the stability of the installation effect.

In some embodiments of the present application, as shown in FIG. 13 and FIG. 14 , there are a plurality of second connecting parts 740 , and the second connecting parts 740 are disposed on the side of the installation structure relative to the door body 200 , and the second connecting parts 740 The connecting portion 740 is configured as a cylindrical support structure for supporting the mounting structure on the inner sidewall of the cavity, and a support limiting groove is provided on the inner sidewall of the cavity, and the second connecting portion 740 is inserted into the supporting limiting groove for limiting. position, wherein an opening 741 is provided on the cylindrical support structure.

In an embodiment of the present application, a felt is provided on the inner side wall of the cavity to prevent the second connecting portion 740 from pressing the sheet metal door body 200 to an indentation.

It should be noted that a plurality of second connecting parts 740 are provided on the side of the mounting structure relative to the inner side wall of the cavity, and the mounting structure is supported on the inner side wall of the door body 200 so that the mounting structure and the inner surface of the door body 200 are in contact with each other. There are gaps between them. On the one hand, it plays a certain supporting role on the surface of the door body 200. Supporting the door body 200 through the cylindrical support structure also saves materials to a certain extent. There is a certain space distance, so that the foaming material can be fully flowed and filled inside the door body 200 .

In an embodiment of the present application, the cylindrical support structure is provided with an opening 741, and the open structure is conducive to filling the foam material.

In some embodiments of the present application, the vacuum storage device is detachably arranged on the door body, which is convenient for users to carry the vacuum storage device. The vacuuming assembly is fixedly connected, and the vacuuming assembly is arranged in the inner cavity of the door body so that it does not occupy too much available space of the refrigerator, and also facilitates the communication between the vacuuming assembly and the vacuum storage device disposed on the door body.

In some embodiments of the present application, by improving the structure of the door body, the door body is provided with an upper end cover and a lower end cover, and the upper end cover and the cavity of the door body form a first installation space for placing the refrigerator vacuum pump, the lower end cover and the lower end cover. The cavity of the door body forms a second installation space for installing structural components, and the upper end cover and the lower end cover are detachably connected to the door body, which facilitates maintenance and inspection of the internal parts of the door body.

Some embodiments of the present application improve the connection form between the installation structure and the door body. By arranging a fixing component on the lower end cover, the fixing component is fixedly and cooperatively connected with the first connecting part on the installation structure, so that the installation structure is It can be stably fixed inside the door body, which increases the connection reliability of the installation structural parts inside the door body. At the same time, it solves the problem that the ice door body is mostly made of sheet metal materials, so it cannot be used as a plastic part plug-in structure.

In some embodiments of the present application, the installation structure includes an installation part, a support part, a first connection part and a second connection part, the installation part and the first connection part are fixedly arranged at both ends of the support part, and the installation part is provided with a installation plate and a second connection part. The installation cavity is used to install and place parts of the vacuum assembly. The first connection part is fixedly connected to the lower end cover, so that the installation structure can be stably fixed inside the door body, and the second connection part is arranged corresponding to the inner side wall of the door shell. The connection plays a supporting and limiting role for the installation of the installation structure, and improves the connection reliability of the installation structure and the door shell.

Some embodiments of the present application are provided with a plurality of flow holes on the support portion, and the flow holes are used to fully flow the foam material when the foam material is foamed in the cavity, so that the foam material can better fill the entire door The interior space of the door body can be avoided to avoid the influence of the installation structural parts on the thermal insulation performance of the door body.

Some embodiments of the present application improve the installation cavity, the installation cavity is divided into a trachea placement area and a wire placement area, and the trachea placement area and the wire placement area are separated by a partition, and the trachea placement area is connected with a joint, and the joint is used for piercing Set up a vacuum tube, which is used to connect the vacuum pump and the vacuum storage device. The wire placement area is connected with a threading hole. The threading hole is used to thread the wire. The wire is electrically connected to the switch, the vacuum pump and the power supply. item security.

16 is a schematic diagram of the overall structure of a refrigerator according to some embodiments of the present application. As shown in FIG. 16 , the refrigerator 10 includes a box body 11 , and the box body 11 defines a plurality of thermally insulated low temperature storage compartments for storing food and other items. In this embodiment, the low-temperature storage compartments are the refrigerating compartment 12 located at the upper portion and the freezing compartment located at the bottom, respectively. Each low-temperature storage room is provided with its own door body; the storage room 12 is provided with a door 5 of the door type, which can be rotated to open the low-temperature storage room. The door body 5 is connected with the box body 11 through the door hinge plate; wherein, the door hinge plate is provided with a connecting sleeve, and the door body 5 is provided with a rotating sleeve sleeved on the connecting sleeve; the connecting sleeve and the rotating sleeve One of the barrels is provided with a through hole 53 . The refrigerator 10 has an evaporative refrigeration system forming a closed loop. Since such a refrigeration system is well known in the prior art, it will not be repeated here.

17 is a schematic structural diagram of a state in which an air extraction joint of a refrigerator and a vacuum storage device are connected according to some embodiments of the present application; FIG. 18 is a schematic structural diagram of a state in which the air extraction joint of a refrigerator and a vacuum storage device are separated according to some embodiments of the present application; Fig. 19 is a schematic diagram showing the exploded structure of the door of a refrigerator according to some embodiments of the present application; as shown in Figs. 17-19, the door 5 is provided with a vacuum storage device 14 that can be kept in a low pressure state, an air extraction device and a Connect the vacuum storage device 14 to the suction connector 4 of the suction device. Specifically, the vacuum storage device 14 is detachably arranged on the door body 5 . The air extraction device is arranged on the top of the door body 5 where the vacuum storage device 14 is located, and the air extraction device is used to evacuate the gas in the vacuum storage device 14 to form a low pressure state in the vacuum storage device 14 . The air extraction connector 4 is rotatably arranged on the door body 5 and is located on the side of the door body 5 close to the vacuum storage device 14 . By turning over the suction joint 4, the suction joint 4 is connected or separated from the vacuum storage device 14, so that the suction joint 4 is connected or disconnected from the suction device.

When the vacuum storage device 14 is connected to the air extraction connector 4 and the air extraction device is activated, the gas in the vacuum storage device 14 is evacuated, and the vacuum storage device 14 is in a low pressure state. In some embodiments of the present application, at the end of the vacuuming procedure, the pressure within the vacuum storage device 14 is between a standard atmospheric pressure and an absolute vacuum. Since the air pressure in the vacuum storage device 14 is lower than the standard atmospheric pressure, it is also commonly referred to as "vacuum storage" by those skilled in the art, and the state where the air pressure is lower than the standard atmospheric pressure is referred to as a "vacuum state".

FIG. 20 is a schematic diagram of the internal structure of a door body according to some embodiments of the present application. As shown in FIGS. 19-20 , a receiving portion 5 a is provided on the top of the door body 5 . The air extraction device includes a vacuum pump 1 installed in the accommodating portion 5a, a rubber sleeve sleeved outside the vacuum pump 1, an air extraction pipeline 15 and an exhaust pipeline connected with the vacuum pump 1; one end of the air extraction pipeline 15 is communicated with the vacuum pump 1, The other end is communicated with the air extraction joint 4 so as to be used for communicating with the vacuum storage device 14 when the air extraction joint 4 is connected with the vacuum storage device 14 .

In some embodiments of the present application, the air extraction pipeline 15 extends from top to bottom along the door body 5 to the air extraction joint 4 . Among them, as shown in FIGS. 19-20 , a plurality of sponge blocks 17 are arranged on the air suction line 15, and the sponge blocks 17 are fixed on the door body, so as to fix the air suction line 15 and the door body 5 through a plurality of fixing positions , to ensure that the setting path of the air extraction pipeline 15 is effective. In a possible implementation manner, a pressure relief unit communicated with the gas extraction pipeline 15 is provided, so as to allow external air to enter the gas extraction pipeline 15 of the gas extraction device after the vacuum extraction, so as to balance the gas extraction The internal and external air pressures of the air extraction pipeline 15 of the device can reduce the internal and external pressure difference of the air extraction joint 4 and facilitate the user to turn over the air extraction joint 4 to separate it from the vacuum storage device 14 . In this embodiment, the pressure relief unit is installed in the accommodating portion 5a.

21 is a schematic structural diagram of a one-way ventilation unit of a refrigerator according to some embodiments of the present application. As shown in FIG. 21 , the vacuum storage device 14 is provided with a one-way ventilation unit 8 ; specifically, the one-way ventilation unit 8 includes a column 80 formed on the vacuum storage device 14 and an air extraction hole 81 passing through the column 80 . The upright column 80 has an inner end portion 80a located inside the vacuum storage device 14 and an outer end portion 80b located outside the vacuum storage device 14; wherein the air extraction hole 81 forms an air outlet 82 at the outer end portion 80b of the upright column 80; A floating column 83 is installed, and the radial dimension of the floating column 83 is smaller than the radial dimension of the air extraction hole 81 . The floating column 83 and the upright column 80 together define an air extraction channel 85 , and the air extraction channel 85 is always connected to the inner cavity of the vacuum storage device 14 . One end of the floating column 83 is provided with a second baffle 83b, which is used to cooperate with the outer end 80b to open or close the air outlet 82;

The floating column 83 is provided with a first baffle plate 83a at one end close to the inner end 80a, and an accommodation groove 84 for accommodating the upright column 80 is formed between the first baffle plate 83a and the second baffle plate 83b; the first baffle plate 83a It is used to cooperate with the inner end 80a of the upright column 80 ; a vent is provided on the side wall of the inner end portion 80a of the upright column 80 to communicate with the inner cavity of the vacuum storage device 14 and the air extraction channel 85 .

As shown in FIG. 18 , the air extraction joint 4 is provided with a docking port 4a, and the docking port 4a is communicated with the air extraction pipeline 15 . Specifically, a connecting pipeline can be set to communicate with the air extraction pipeline 15, wherein the connecting pipeline is at least partially located outside the air extraction joint 4, that is, a certain length is reserved after the connecting pipeline extends out of the air extraction joint 4, so that the connecting pipeline extends There is an extra section after the air extraction joint 4 to reserve space for manual operation by the installer, so as to facilitate the installation personnel to connect the connecting pipeline with the air extraction pipeline 15 of the air extraction device.

When the overturned suction joint 4 is connected to the vacuum storage device 14, the suction joint 4 is installed in the butt groove 86, and is sealed with the butt groove 86; The ports 4a are butted against each other, so that the inner cavity of the vacuum storage device 14 is communicated with the pumping pipeline 15 during vacuuming.

When the vacuum storage device 14 is pumped, a negative pressure is generated on the side of the floating column 83 close to the suction joint 4, the floating column 83 is moved towards the direction close to the suction joint 4 by the action of the air pressure, and the second baffle 83b is in phase with the outer end 80b. separation, the air outlet 82 is opened; the air of the vacuum storage device 14 sequentially passes through the air extraction channel 85, the air outlet 82, the air extraction joint 4, the air extraction pipeline 15, the vacuum pump 1 and the exhaust pipeline; the vacuum storage device 14 stops pumping During the air, since the pressure on the side of the floating column 83 close to the inner cavity of the vacuum storage device 14 is less than the pressure on the side close to the suction joint 4, the floating column 83 is moved away from the suction joint 4 by the air pressure, and the second baffle 83b In sealing engagement with the outer end 80b, the air outlet 82 is closed. At this time, by opening the pressure relief unit, the gas enters the air extraction pipeline 15 to balance the internal and external air pressure of the air extraction pipeline 15, and it is convenient for the user to flip the air extraction joint 4 to separate it from the vacuum storage device 14.

In some embodiments of the present application, the exhaust line may be configured to communicate with the outside atmosphere of the refrigerator 10 , so as to exhaust the air extracted from the vacuum storage device 14 to the outside of the refrigerator 10 .

Specifically, referring to FIGS. 19-20 , the door body 5 includes a door casing 50 , a top frame 53 located at the top of the door casing 50 , a bottom frame 55 located at the bottom of the door casing 50 , and an inner casing panel 52 ; wherein the door casing 50 includes The front panel 51 and the side panels provided at opposite ends of the front panel 51; the side panels provided at the opposite ends of the front panel 51, the top frame 53 and the bottom frame 55 cooperate to form a door frame, and the door shell 50, the top frame 53 and The bottom frame 55 cooperates to form an open accommodating space 59 close to one side of the low-voltage storage compartment; the inner shell plate 52 covers the open end of the accommodating space 59 above.

In this application, the door shell 50 is made of metal; in some embodiments, the door shell 50 is a sheet metal part, that is, the front panel 51 and the side panels disposed at opposite ends of the front panel 51 are integrally formed; A mounting piece 9 is provided for mounting the extraction connection 4 .

FIG. 22 is a partial structural schematic diagram of a door of a refrigerator according to some embodiments of the present application, and FIG. 23 is a partial structural schematic diagram of a door of a refrigerator according to some embodiments of the present application from another perspective. As shown in FIGS. 22-23 , the bottom frame 55 is provided with an assembly plate 54, the assembly plate 54 is provided with a first clamping hole 54a, and the assembly plate 54 is provided with two oppositely distributed slots 56 for connecting with Fittings 9 fit. The slot 56 is arranged in the vertical direction. A support table 58 for supporting the mounting element 9 is provided in a region between the two slots 56 , wherein the support table 58 includes a plurality of support plates 57 distributed at a distance. In addition, a region of the slot 56 parallel to the support plate 57 and lower than the support table 58 is provided with a first through hole 56 a, that is, a first through hole 56 a is arranged in the region where the slot 56 is stacked.

Fig. 24 is a schematic structural diagram of a mounting member of a refrigerator according to some embodiments of the present application; Fig. 25 is a schematic diagram of another perspective view of a mounting member of a refrigerator according to some embodiments of the present application; Fig. 26 is a schematic diagram of a refrigerator according to some embodiments of the present application Fig. 27 is an enlarged view of the A area of Fig. 26; referring to Fig. 19-Fig. 20, Fig. 24-Fig. 27, the mounting member 9 includes a mounting plate 90, and one end of the mounting plate 90 is provided with a fixing plate 91; Wherein, the mounting plate 90 is in contact with the inner shell plate 52 . In this embodiment, the mounting plate 90 is disposed in close contact with the inner shell plate 52 . The fixing plate 91 is provided with a hook 91b, and the fixing plate 91 is installed in the slot 56 of the bottom frame 55. The hooks 91b on the top are matched with the first holes 54a on the mounting plate 54 to fix the fixing plate 91 with the bottom frame 55 , that is, to install the mounting member 9 on the bottom frame 55 . The end of the above fixing plate 91 is installed on the support table 58 , which can effectively limit the length of the fixing plate 91 inserted into the slot 56 , and ensure that the fixing plate 91 is installed in place so that the hooks 91 b on the fixing plate 91 are connected to the mounting plate 54 . corresponding to the first card hole 54a. The fixing plate 91 is installed in the slot 56 , and the supporting plate 57 is completely exposed outside the fixing plate 91 ; that is, the fixing plate 91 does not block the supporting plate 57 at all.

In addition, the fixing plate 91 is in contact with the front panel 51 ; and the side of the fixing plate 91 away from the front panel 51 is provided with a plurality of slats 6 , and the plurality of slats 6 are distributed in an intersecting manner, and the position where the slats 6 are crossed and connected to each other is provided with The second through holes 18 and the third through holes 19 are provided in a plurality of regions formed by dividing the fixing plate 91 by the plurality of slats 6 . The side of the fixing plate 91 close to the front panel 51 is provided with a protruding strip 16 around the third through hole 19 to abut with the front panel 51 ; The first perforation 56a on the bottom frame 55, the second perforation 18 and the third perforation 19 on the fixing plate 91 are used as the flow ports of the foamed material during the preparation of the foamed layer in the refrigerator production process, so that the foamed material can be fully filled The gap between the components improves the integrity of the door body.

In some embodiments of the present application, the mounting plate 90 and the fixing plate 91 are connected by an adapter plate 92 , and the mounting plate 90 and the fixing plate 91 are located on opposite sides of the adapter plate 92 respectively, and are respectively opposite to the adapter plate 92 . Both ends are connected. In this embodiment, the mounting plate 90 is located on the side of the fixed plate 91 close to the inner shell plate 52 of the door body; specifically, a felt layer 2 is provided between the front plate 51 and the fixed plate 91 , and the fixed plate 91 is in contact with the felt layer 2 catch. As described above, the mounting plate 90 is brought into contact with the inner case plate 52 through the adapter plate 92 .

A mounting cavity 93 is formed on the mounting plate 90 , and the mounting member 9 is provided with a ferromagnetic member 13 at a position above the mounting chamber 93 , that is, a member made of ferromagnetic material; in this embodiment, the ferromagnetic member 13 is a sheet metal member. The installation cavity 93 is formed with a cavity opening 93a on one side of the inner shell plate 52, and a projection 93b is provided on the inner cavity wall surrounding the cavity opening 93a on the installation cavity 93; There are wiring passages 98 and pipeline joints 95 , wherein one end of the pipeline joint 95 is communicated with the gas extraction pipeline 15 of the gas extraction device, and the other end is communicated with the gas extraction joint 4 . In this embodiment, the installation cavity 93 is provided with a partition 94, the partition 94 is provided with a second clamping hole 99, and the partition 94 divides the installation cavity 93 into a first sub-chamber 93c and a second sub-chamber 93d; wherein The first sub-cavity 93c is located on the upper side of the second sub-cavity 93d. The wiring channel 98 is provided on the cavity wall of the first sub-chamber 93c and communicates with the first sub-chamber 93c; the pipeline joint 95 is provided on the cavity wall of the second sub-chamber 93d and communicates with the second sub-chamber 93d. The inner and outer sides of the cavity 93d; the arrangement of the above partitions 94 separates the wire routing from the air extraction pipeline 15, so as to avoid the influence between the circuit and the pipeline.

Abutting portions 96 are provided on the side of the mounting plate 90 close to the front panel 51 , and a plurality of abutting portions 96 are distributed around the mounting cavity 93 ; wherein the abutting portions 96 are in the shape of hollow grooves, and the extending direction of the hollow grooves is perpendicular to the mounting plate 90. In this embodiment, the cross-section of the abutting portion 96 parallel to the mounting plate 90 is fan-shaped; in a possible implementation, the center of the circle corresponding to the fan-shaped cross-section of the abutting portion 96 parallel to the mounting plate 90 The angle is greater than 180°. A mating plate 97 is provided in the circumferential direction of the abutting portion 96 , and the mating plate 97 connects the mounting plate 90 and the abutting portion 96 to strengthen the connection strength of the abutting portion 96 and the mounting plate 90 . In some embodiments, the sponge block 17 on the air suction line 15 is fixed on the felt layer 2 , and the abutting portion 96 abuts the felt layer 2 .

The mounting member 9 is provided with a mounting seat 7 connected to the air extraction joint 4; FIG. 28 is a schematic structural diagram of a mounting seat of a refrigerator according to some embodiments of the present application. As shown in FIG. 28, the mounting seat 7 includes a first connecting plate 71. A second convex plate 72 is formed on the side of the first connecting plate 71 close to the inner shell plate 52, and the second convex plate 72 is formed with a matching hole 73 which is matched with the convex block 93b in the installation cavity 93; The connecting plate 71 is provided with a first hook 77 which is matched with the second locking hole 99 on the partition plate 94; to fix the mounting seat 7 on the door body 5; and the first connecting plate 71 shields the opening of the mounting cavity 93 93a. The first connecting plate 71 is provided with an air extraction button 74, and a switch plate 76 is provided on the side of the air extraction button 74 close to the inner shell plate 52; The wire channel 98 passes through the through hole 53 provided on the rotating sleeve or the connecting sleeve to be connected with the electric control box in the box body 11 .

In addition, in this embodiment, a magnet block is provided in the suction joint 4, and the magnet block in the suction joint 4 corresponds to the position of the ferromagnetic piece 13 on the mounting member 9, and the suction joint 4 is close to the door body 5. In the process of , an interaction occurs, so that the suction joint 4 is adsorbed on the inner shell plate 52 .

A foam layer is provided between the front panel 51 and the inner shell panel 52 , the mounting member 9 is arranged in the foam layer between the front panel 51 and the inner shell panel 52 of the door body 5 , and the mounting panel 90 and the inner shell panel 52 are arranged in the foam layer. In contact with each other, as shown in FIG. 18 , an opening 52 a corresponding to the cavity opening 93 a of the installation cavity 93 is formed on the inner shell plate 52 . During the production process of the door body, the mounting member 9 is installed in the slot 56 of the bottom frame 55 through the fixing plate 91 , and the end of the fixing plate 91 is installed on the supporting table 58 formed by the cooperation of the plurality of supporting plates 57 . The hook 91b of the mounting plate 54 is matched with the first hook 54a on the mounting plate 54, the abutting portion 96 on the mounting member 9 is in contact with the felt layer 2, and the door shell 50, the top frame 53 and the bottom frame 55 cooperate to form an accommodating space 59 is filled with foaming material. During the foaming process of the foaming material, the foaming material is filled in the hollow groove of the abutting part 96, and is filled in each perforation through the second perforation 18 and the third perforation 19 on the fixing plate 91. Inside and multiple areas divided by the intersection of multiple slats 6, and filled between multiple support plates 57 at the same time, around the air extraction pipeline 15 and the switch connecting wires, so as to be sufficiently and tightly connected with the various components in the accommodating space 59 The above arrangement effectively improves the connection strength of components such as the mounting member 9, the door shell, the air extraction pipeline 15 and the switch connecting wire, that is, effectively improves the integrity of the door body and its internal components; at the same time, it improves the air extraction pipe. The overall airtightness of the road 15 ensures the effectiveness of vacuuming.

As another possible implementation, the abutting portion 96 can be provided with two parts, one part is a solid cylinder connected to the mounting plate 90 , and the other part is a hollow groove to ensure that the abutting portion 96 is connected to the mounting plate 90 strength, and enhance the connection strength between the abutting portion 96 and the door body.

In this application, an air-extraction joint is arranged to be connected to a vacuum storage device for vacuuming, and the installation piece and the air-extraction pipeline are arranged in the foam layer so as to be fully combined with the foam layer. On the one hand, the air-tightness of the air-extraction pipeline is improved. On the other hand, improve the fixing strength and stability of the installation parts and the air extraction pipeline, and finally form an integral component with good sealing and high integrity, which ensures the high efficiency of vacuuming and effectively prolongs the preservation time of food; in addition, a metal door is installed. The shell cooperates with the bottom frame, on the one hand, the overall strength of the door body can be improved;

In the foregoing description of the embodiments, the particular features, structures, materials or characteristics may be combined in any suitable manner in any one or more of the embodiments or examples.

The above are only specific embodiments of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by those skilled in the art within the technical scope disclosed in the present application shall be covered. within the scope of protection of this application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (19)

1. A refrigerator, comprising:

   low temperature storage room;

   a door for opening or closing the low temperature storage compartment;

   It is characterized in that, described refrigerator also includes:

   an installation structure, which is arranged in the inner space of the door body and is used for installing some components for refrigerators arranged on the door body;

   a vacuum storage device, the vacuum storage device is detachably arranged on the door body, and a vacuum storage space is formed inside the vacuum storage device;

   The vacuuming assembly is arranged in the inner space of the door body, and the vacuuming assembly and the vacuum storage device are detachably communicated with the vacuum storage device through pipelines, and are used for vacuuming the vacuum storage space.
2. The refrigerator of claim 1, wherein the door body comprises:

   an outer casing, which forms the outer frame of the door body and is used for supporting and protecting the overall structure of the door body;

   The inner liner is arranged inside the outer shell to completely seal the low-temperature storage room when the door is closed, and a cavity is formed between the outer shell and the inner liner, and the cavity is The cavity is used to fill the foam material to form the thermal insulation layer;

   The upper end cover, the upper end cover is detachably installed on the top of the door body, and the upper end cover is covered with an upper opening that seals the cavity, and a first installation space is formed inside the upper end cover for placing the some parts of the refrigerator;

   A lower end cover, the lower end cover is detachably installed on the bottom end of the door body, and the lower end cover is covered with a lower opening that seals the cavity, and a second installation space is formed inside the lower end cover for placement For some components of the refrigerator, a fixing assembly is formed in the second installation space for installing and fixing the installation structural member.
3. The refrigerator according to claim 1, wherein the vacuum storage device is detachably mounted on the mounting structure, the vacuum storage device comprises a vacuum box and a vacuum box cover, and the vacuum box cover is buckled In the vacuum box to form a sealed environment, the vacuum box cover is provided with a sealing interface, a pressure relief valve and a fixing device, the sealing interface is used to install and communicate with the suction joint, and the pressure relief valve is arranged at the The sealing interface is used for blocking or connecting the gas in the vacuum storage device with the external gas, and the fixing device is used for fixing the vacuum box cover on the vacuum box.
4. The refrigerator of claim 1, wherein the vacuuming assembly comprises:

   a suction joint, the suction joint is detachably inserted and communicated with the sealing interface, and the suction joint is rotatably mounted on the mounting structure;

   a vacuum pump, the vacuum pump is arranged in the first installation space inside the upper end cover, and a vacuum pipe is communicated between the vacuum pump and the suction joint;

   Wherein, the vacuum tube is arranged in the cavity formed between the outer shell of the door body and the inner container.
5. The refrigerator according to claim 1, wherein the mounting structure comprises:

   an installation part, the installation part is provided with an installation plate and an installation cavity, the installation cavity is a space formed by the depression of the installation structural member plate facing the door body, and the installation plate covers the opening of the installation cavity end;

   a support portion, one end of the support portion is connected to the mounting portion, the support portion is used to support the mounting portion and form an integral structure of the mounting structure;

   a first connection part, the other end of the support part is connected to the first connection part, and the first connection part is fixedly installed on the fixing component provided inside the lower end cover;

   A second connecting portion, the second connecting portion is disposed on the mounting structure, and is used for supporting and confining the mounting structure to the inner sidewall of the cavity in the door body.
6. The refrigerator according to claim 5, wherein the installation cavity comprises a trachea placement area and a wire placement area, the trachea placement area and the wire placement area are separated by a partition, and the trachea placement area A connector is communicated with, and the connector is used for passing through the vacuum tube, and the wire placement area is connected with a wire hole, and the wire hole is used for passing the wire.
7. The refrigerator according to claim 5, wherein a switch is provided on the mounting plate, and the switch is electrically connected to the vacuum pump through a wire to control the opening and closing of the vacuum pump.
8. The refrigerator according to claim 5, wherein a plurality of flow holes are provided on the support portion, and the flow holes are used for the foaming material when the foaming material is foamed in the cavity. Full flow.
9. The refrigerator according to claim 5, characterized in that, there are a plurality of the second connecting parts, and the second connecting parts are configured as a cylindrical support structure for supporting the mounting structure on the On the inner side wall of the cavity, a support limit groove is arranged on the inner side wall of the cavity, and the second connecting part is inserted into the support limit groove to limit the position; wherein, the cylindrical support structure is provided with There is an opening.
10. A refrigerator, characterized in that it comprises:

    Box, defining an insulated low temperature storage room;

    The door body is arranged on the box body to open or close the low temperature storage room; the door body is provided with a foam layer, and the door body includes a metal door shell with a front panel and a side panel, a device a bottom frame at the bottom of the door shell and an inner shell panel disposed opposite to the front panel;

    The vacuum storage device is arranged on the side of the door body close to the low temperature storage room, and can be evacuated to form a pressure lower than the atmospheric pressure outside the refrigerator to facilitate the preservation of food;

    a vacuum pump, which is arranged on the top of the door body; and the vacuum pump is connected with an air extraction pipeline at least partially located in the foam layer;

    The mounting piece is arranged in the foam layer of the door body; the mounting piece includes:

    an adapter plate, which extends from the front panel to the inner shell panel;

    a fixing plate, one end of which is cooperatively connected with the bottom frame, and the other end is connected with the end of the adapter plate close to the front panel; wherein, the fixing plate is in abutment with the front panel;

    The mounting plate is connected with one end of the adapter plate close to the inner shell plate, and the mounting plate abuts against the inner shell plate; the mounting plate is provided with abutting plates abutting against the front panel connection;

    an air extraction joint, which is communicated with the air extraction pipeline; the air extraction joint is rotatably arranged on the mounting plate so as to be connected or separated from the vacuum storage device.
11. The refrigerator according to claim 10, characterized in that: the bottom frame is provided with an assembly plate, the assembly plate is provided with a first clamping hole, and the opposite ends of the assembly plate are provided with slots;

    The fixing plate is provided with a clamping block matched with the first clamping hole; the fixing plate is installed in the slot, and the clamping block on the fixing plate is connected with the first clamping block on the assembling plate. The clamping holes are matched to fixedly connect the fixing plate with the bottom frame.
12. The refrigerator according to claim 11, wherein: a support table for installing the fixing plate is provided in the area between the two slots on the assembly plate; the support table includes a plurality of spacings distributed support plates;

    A first through hole is provided in a region of the slot which is lower than the support table.
13. The refrigerator according to claim 10, characterized in that: a side of the fixing plate away from the front panel is provided with a plurality of slats; a plurality of the slats are cross-distributed, and the slats are cross-connected A second perforation is provided at the position, and a third perforation is provided in a plurality of regions formed by dividing the fixing plate by a plurality of the slats.
14. The refrigerator according to claim 13, wherein a side of the fixing plate close to the front panel is provided with a protruding strip, and the protruding strip is distributed around the third through hole and abuts with the front panel .
15. The refrigerator according to claim 10, wherein a plurality of matching plates are provided in the circumferential direction of the abutting portion, and the matching plates are combined with the foam layer.
16. The refrigerator according to any one of claims 10-15, wherein the abutting portion is in the shape of a hollow groove, and is combined with the foam layer.
17. The refrigerator according to claim 16, wherein a cross section of the abutting portion parallel to the mounting plate is fan-shaped.
18. The refrigerator according to claim 17, wherein the central angle corresponding to the fan-shaped cross section of the abutting portion parallel to the mounting plate is greater than 180°.
19. The refrigerator according to claim 10, wherein an installation cavity is formed on the installation plate, and an opening corresponding to a cavity of the installation cavity is formed on the inner shell plate;

    A mounting seat is connected on the mounting plate, the mounting seat is fixedly connected with the mounting piece through the inner cavity wall of the mounting cavity, and shields the cavity opening of the mounting cavity;

    The suction joint is rotatably connected to the mounting seat.

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