WO2021217779A1

WO2021217779A1 - Refrigerator

Info

Publication number: WO2021217779A1
Application number: PCT/CN2020/094258
Authority: WO
Inventors: 杨春; 张宇; 张建; 刘铁伟; 赵振雷
Original assignee: 海信（山东）冰箱有限公司
Priority date: 2020-04-26
Filing date: 2020-06-04
Publication date: 2021-11-04

Abstract

Disclosed in the present disclosure is a refrigerator, comprising a storage chamber, a door body used for opening or closing the storage chamber, and a vacuum freshness preservation apparatus; the vacuum freshness preservation apparatus is detachably arranged on the door body, and comprises a box body and a vacuumization assembly; a storage cavity is formed within the box body, the box body is detachably connected to the door body, the vacuumization assembly is detachably connected to the storage cavity by means of tubing, and is used for performing vacuumization on the storage cavity. The vacuum freshness preservation apparatus does not occupy additional refrigeration space within the storage chamber, and improves refrigerator refrigeration space utilization. The box body can be taken off of the door body, better facilitating transport and use.

Description

refrigerator

This application requires that it be submitted to the Chinese Patent Office on April 26, 2020, the application number is 202020651045.6, and the invention name is "Refrigerator". The Chinese patent application is required to be submitted to the China Patent Office on April 26, 2020. The application number is 202010339393.4. Invention The priority of the Chinese patent application named "Refrigerator" and the Chinese patent application required to be submitted to the Chinese Patent Office on April 26, 2020, the application number is 202010338616.5, and the invention name "Refrigerator", the entire contents of which are incorporated by reference In this application.

Technical field

This application relates to the technical field of refrigeration equipment, and in particular to a refrigerator with a vacuum preservation device.

Background technique

In recent years, people's health awareness has gradually increased, and the demand for food preservation has also increased. Refrigerators are the most commonly used household appliances for food storage, and food preservation storage has become an urgent technical requirement in the refrigerator field.

At present, various manufacturers have introduced different preservation technologies in response to the problem of food preservation and storage. For example, in the vacuum preservation technology, the conditions of food spoilage under vacuum conditions have changed. First of all, it is difficult for microorganisms and various promoting enzymes to survive in a vacuum environment, and it takes a long time to meet the requirements for microbial growth; secondly, in a vacuum state, the oxygen in the container is greatly reduced, various chemical reactions cannot be completed, and the food will not be oxidized. , Which also allows food to be kept fresh for a long time.

Summary of the invention

On the one hand, some embodiments of the present application provide a refrigerator, including: a storage room; a door for opening or closing the storage room; and further including: a vacuum preservation device, which is detachably provided on the door; The vacuum fresh-keeping device includes: a box body with a storage cavity formed therein, and the box body is detachably connected with the door body; Vacuum the storage cavity.

On the other hand, some embodiments of the present application provide a refrigerator, including a storage room; a door body for opening or closing the storage room, the door body includes an upper end cover, the upper end cover is provided with a containing cavity; ：Box body, in which a storage cavity is formed, and the box body is connected with the door; the vacuum assembly includes a vacuum pump, a suction head assembly and a pipeline. The vacuum pump is arranged in the containing chamber. One end of the pipeline is connected to the vacuum pump and the other end is connected The suction head assembly is detachably connected with the storage cavity, and the vacuuming assembly is used for vacuuming the storage cavity.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained from these drawings. In addition, the drawings in the following description can be regarded as schematic diagrams, and are not a limitation on the actual size of the products involved in the embodiments of the present disclosure.

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

Figure 2 is an exploded view of a vacuum preservation device according to some embodiments of the present application;

Figure 3 is a cross-sectional view of a vacuum preservation device according to some embodiments of the present application;

Figure 4 is an enlarged view of part A in Figure 2;

FIG. 5 is a schematic structural diagram of a second plug-in portion provided on the inner bladder of the door according to some embodiments of the present application;

Fig. 6 is a schematic structural diagram of a vacuum fresh-keeping device according to some embodiments of the present application placed on a door body through a mounting seat;

Fig. 7 is a schematic diagram of the structure of Fig. 6 with the door body omitted;

FIG. 8 is a schematic diagram of the matching structure between the box body and the mounting seat of the vacuum preservation device according to some embodiments of the present application;

Figure 9 is a schematic structural view of a vacuum pump installed on the upper end cover of the door according to some embodiments of the present application;

Figure 10 is a partial structural diagram of the upper end cover of the door according to some embodiments of the present application;

FIG. 11 is a schematic diagram of the pipe running structure of the pipeline when the vacuum pump according to some embodiments of the present application is installed on the upper end cover of the door;

FIG. 12 is a schematic structural diagram of a buckle cover according to some embodiments of the present application;

FIG. 13 is a schematic structural diagram of a vacuum pump installed on a door inner bladder according to some embodiments of the present application;

14 is a schematic diagram of the assembly structure of the vacuum pump and the limiting part according to some embodiments of the present application;

Fig. 15 is a schematic structural diagram of a vacuum pump installed at a hinge cover according to some embodiments of the present application;

FIG. 16 is a schematic diagram of the running structure of the pipeline when the vacuum pump according to some embodiments of the present application is installed at the hinge cover;

Figure 17 is a schematic diagram of the pipeline running structure viewed from the back side of the door body shown in Figure 16;

Figure 18 is a schematic structural diagram of a hinge cover according to some embodiments of the present application;

FIG. 19 is a schematic diagram 1 of a structure for concealing the suction head assembly structure provided on the door inner bladder according to some embodiments of the present application (the movable door is closed);

20 is a second structural diagram (opening the movable door) with the structure of the suction head assembly provided on the inner bladder of the door according to some embodiments of the present application;

FIG. 21 is a third structural diagram (movable door opening) provided on the door inner bladder for hiding the structure of the suction head assembly according to some embodiments of the present application; FIG.

FIG. 22 is a schematic diagram of the wiring structure of the pipeline when the structure of the suction head assembly is concealed on the door inner bladder according to some embodiments of the present application; FIG.

Figure 23 is a time control principle diagram of a vacuum preservation device according to some embodiments of the present application;

Fig. 24 is a schematic diagram of pressure control of a vacuum preservation device according to some embodiments of the present application;

FIG. 25 is a schematic structural diagram of an atmosphere-modified membrane that allows one-way discharge of oxygen in the box according to some embodiments of the present application;

FIG. 26 is a schematic diagram of the structure of the upper cover of the embodiment shown in FIG. 25;

Fig. 27 is a schematic structural diagram of an atmosphere-modified membrane that allows one-way entry of oxygen outside the box according to some embodiments of the present application.

Reference signs:

100-storage room, 110-freezer room, 120-refrigerator room;

200-door body;

210-Door shell;

220-inner liner, 221-second plug-in part, 2211-first convex part, 2212-plug gap, 222-receiving part, 223-moving door, 224-second groove part, 225-second opening ；

230-upper cover, 231-accommodating cavity, 2311-first accommodating cavity, 2312-second accommodating cavity, 2313-first opening, 232-baffle, 2321-notch, 233-first groove, 234 -Buckle cover, 2341-lug, 2342-connecting buckle, 235-support rib, 236-transverse rib, 237-hinge shaft hole;

240- lower end cover;

300-box;

400-Vacuum fresh-keeping device;

410-box, 411-upper cover, 412-lower box, 413-vent, 414-tip connection, 415-locking assembly, 4151-hook, 4152-buckle, 416-storage cavity , 417-first insertion part, 4171-first insertion rib, 4172-first recess, 418-second recess, 4191-first air-conditioning membrane installation part, 4192-second air-conditioning membrane installation part;

420-vacuum assembly, 421-tip assembly, 4211-pipe connection part, 4212-seal part, 4213-pipe joint, 422-pipe, 4221-first pipe, 4222-second pipe, 423 -Vacuum pump, 4231-soft rubber layer;

430-One-way valve;

440-seal;

450-wave card slot;

460-gas buffer cavity;

470-mounting seat, 471-bottom, 4711-second convex portion, 472-third plug-in portion, 4721-third plug-in rib, 4722-third concave portion;

480-limiting part, 481-first limiting piece, 482-second limiting piece, 4821-connecting part;

490-modified atmosphere film, 491-first modified atmosphere film, 492-second modified atmosphere film;

500-hinge, 510-hinge body, 511-second connecting part, 520-hinge shaft;

600-hinge cover, 610-limiting plate, 620-screw hole, 630-first connecting part, 640-accommodating space.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this 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. are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the application and simplifying the description, rather than indicating or implying The referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present application.

The terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Thus, the features defined with "first", "second", and "third" may explicitly or implicitly include one or more of these features. In the description of this application, unless otherwise specified, "plurality" means two or more.

In the description of this application, it should be noted that the terms "installation", "connection", and "connection" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood under specific circumstances.

1 is a structural diagram of a refrigerator provided by some embodiments of the present application; the refrigerator is approximately a rectangular parallelepiped shape, and its appearance is defined by a storage room 100 that defines a storage space and a plurality of doors 200 arranged in the storage room 100, wherein the door 200 It includes a door shell 210 located outside the storage room 100, a door inner liner 220 located inside the storage room 100, an upper end cover 230, a lower end cover 240, and a door shell 210, a door inner liner 220, an upper end cover 230, and a lower end cover. The insulation layer between 240; usually, the insulation layer is filled with foam.

The storage compartment 100 has an open box 300, and the storage compartment 100 is vertically partitioned into a lower freezing compartment 110 and an upper refrigerating compartment 120. Each of the separated spaces may have an independent storage space. In detail, the freezing compartment 110 is located at the lower side of the storage compartment 100 and may be selectively covered by a drawer-type freezing compartment door. The space above the freezing compartment 110 is partitioned into left and right sides to respectively form a refrigerating compartment 120, which can be selectively opened or closed by a refrigerating compartment door pivotally mounted on the refrigerating compartment 120.

1, the door 200 (specifically the door of the refrigerating room) is detachably provided with a vacuum preservation device 400. The vacuum preservation device 400 provides a vacuum storage environment for stored items. At the same time, the vacuum preservation device 400 is located at the door. The inner tank 220 side, that is, located in the low-temperature storage room, the storage items in the vacuum fresh-keeping device 400 will obtain a vacuum, low-temperature storage environment, and the fresh-keeping effect is better.

Figure 2 is an exploded view of the vacuum preservation device provided by some embodiments of the application. 2, the vacuum preservation device 400 includes a box body 410 and a vacuum assembly 420.

The box body 410 has an approximate rectangular parallelepiped shape, and a storage cavity 416 is formed inside for storing items; the box body 410 is detachably connected to the door body 200 so that the box body 410 can be removed from the door body 200 for easy transportation.

The vacuuming assembly 420 and the storage cavity 416 are connected through a pipeline 422 for vacuuming the storage cavity 416 so that the inside of the storage cavity 416 reaches a vacuum state.

The vacuum assembly 420 is detachable. When the storage cavity 416 needs to be evacuated, the vacuum assembly 420 communicates with the storage cavity 416 through the pipeline 422; there is no need to vacuum the storage cavity 416, or the box body 410 needs to be removed from the door 200 At this time, the vacuum assembly 420 is separated from the storage cavity 416.

The vacuum fresh-keeping device 400 is arranged on the door body 200, which can make full use of the space on the side of the inner liner 220 of the door body, does not additionally occupy the refrigerating space in the storage room 100, and improves the space utilization rate of the refrigerator.

The vacuum fresh-keeping device 400 uses an independent box body 410 for storage and fresh-keeping. Compared with the traditional drawer sealing, the sealing process and difficulty of the box body 410 are greatly reduced, which is convenient for processing.

The box body 410 in the vacuum preservation device 400 can be removed from the door body 200, which is more convenient to carry and use.

2, the box body 410 includes an upper cover body 411 and a lower box body 412, which can be buckled and locked or separated.

A locking assembly 415 is provided between the upper cover body 411 and the lower box body 412. During the vacuum operation of the storage cavity 416, the box body 410 needs to be in a closed state to prevent external air from entering the storage cavity 416. At this time, the upper cover body 411 and the lower box body 412 can be buckled and locked by the locking assembly 415, so as to achieve the above-mentioned purpose.

In some embodiments of the present application, as shown in FIG. 2, the locking assembly 415 includes a hook 4151 and a buckle 4152. The hook 4151 is provided on the lower box body 412, and the buckle 4152 is provided on the upper cover body 411. The hook 4151 is connected with the buckle 4152 to realize the buckling and locking of the upper cover body 411 and the lower box body 412.

In some embodiments of the present application, referring to FIG. 2, the locking assembly 415 is provided on one side surface of the box body 410 in the length direction (the front side of the box body 410 in the orientation shown in FIG. 2), and the other is opposite to the locking assembly 415. A rotating shaft structure can be installed on one side to realize the rotating hinge connection between the upper cover body 411 and the lower box body 412.

In some embodiments of the present application, the locking components 415 are provided on two opposite sides in the width direction of the box body 410 (the left and right sides of the box body 410 in the orientation shown in FIG. 7), and the double-sided fastening helps to improve the seal Effect.

Figure 3 is a cross-sectional view of a vacuum preservation device shut down in some embodiments of the application. 2 and 3, a sealing strip 440 is provided between the upper cover body 411 and the lower box body 412, which can improve the sealing effect of the box body 410 and prevent external air from entering the storage cavity 416 and affecting the vacuum effect.

2 and 3, the box body 410 is provided with a vent 413. In some embodiments of the present application, the vent 413 is provided on the upper cover 411, the vent 413 is in communication with the storage cavity 416, and the vent 413 is provided There is a one-way valve 430, which is used to relieve the pressure of the storage chamber 416, and the vacuum assembly 420 is detachably connected to the vent 413 through a pipeline 422.

When the storage chamber 416 needs to be evacuated, the vacuum assembly 420 is connected to the vent 413 through the pipeline 422, and the one-way valve 430 allows the gas in the storage chamber 416 to be unidirectionally discharged through the vent 413; the storage chamber After 416 is vacuumed, the vacuum assembly 420 is separated from the storage chamber 416. At this time, the one-way valve 430 blocks the vent 413 to prevent the gas in the storage chamber 416 from being discharged to achieve vacuum pressure retention; When the cavity 416 is depressurizing, the one-way valve 430 is pulled toward the outside of the box body 410, and external air can enter the storage cavity 416 through the gap between the one-way valve 430 and the vent 413 to achieve pressure relief. 2 and 3, the vacuum assembly 420 includes a vacuum pump 423 and a suction head assembly 421. One end of the pipeline 422 is connected to the vacuum pump 423 and the other end is connected to the suction head assembly 421. The suction head assembly 421 is detachably connected with the vent 413.

When vacuuming, the vacuum pump 423 works, and the gas in the storage chamber 416 is discharged through the vent 413 and the suction head assembly 421 under the action of the vacuum pump 423.

In some embodiments, the vacuum pump 423 is a brush vacuum pump, which is low in cost, small in size, and convenient to take over.

In some embodiments, the pipeline 422 is a flexible tube or a rigid tube. Continuing to refer to Figures 2 and 3, the box body 410 (the upper cover body 411 in this embodiment) is provided with a suction head connecting portion 414, which is a concave portion facing the side of the storage cavity 416, and the suction head The connecting portion 414 is provided with a vent 413, the suction head assembly 421 is detachably connected to the suction head connecting portion 414, and the pipeline 422 is in communication with the vent 413.

The concave suction head connection part 414 makes the position of the vent 413 lower than the upper end surface of the upper cover body 411, so that the upper end surface of the one-way valve 430 is not higher than the upper end surface of the upper cover body 411. When the 410 is transported, it can prevent foreign objects from scratching the one-way valve 430 or the vent 413 and destroying the vacuum state in the box 410; on the other hand, the concave suction head connection part 414 is more convenient for the insertion of the suction head assembly 421 Connection, easy to connect.

The suction head assembly 421 includes a pipe connecting portion 4211 and a sealing portion 4212 connected, one end of the pipe 422 is connected with the pipe connecting portion 4211, and the sealing portion 4212 is fitted with the suction head connecting portion 414 and is detachably and hermetically connected.

The pipeline connecting portion 4211 has a hollow cylindrical structure, and one end of the pipeline connecting portion 4211 is provided with a pipeline joint 4213 for connecting with the pipeline 422.

The sealing portion 4212 is a silicone gasket. The sealing portion 4212 is interference-fitted with the end surface of the peripheral wall of the pipeline connecting portion 4211. The sealing portion 4212 is in an interference fit with the concave suction head connecting portion 414, and the sealing portion 4212 is squeezed and deformed and inserted into it. In the concave suction head connection part 414, the connection between the suction head assembly 421 and the suction head connection part 414 is realized.

When the suction head assembly 421 is connected to the suction head connection part 414, the hollow cylindrical pipe connection part 4211 makes the pipe connection part 4211 and the vent 413 and the one-way valve 430 have a certain distance, and the suction head assembly 421 and A gas buffer chamber 460 will be formed between the suction head connecting parts 414 to improve the smoothness of air extraction and prevent the pipeline connecting part 4211 and the vent 413 from being too close to interfere with the movement of the one-way valve 430, thereby affecting the normal vacuuming conduct.

The box body 410 can be directly detachably connected to the door inner liner 220, or the box body 410 is indirectly mounted on the door inner liner 220 through the mounting seat 470, specifically, the door inner liner 220 is provided with a mounting seat 470, The box body 410 is placed on the mounting seat 470; these two structural forms are described in detail below. In some embodiments of the present application, the box body 410 is directly detachably connected to the door inner liner 220. Specifically, the side wall of the box body 410 (for example, the lower box body 412) is provided with a first insertion portion 417, and the door body Correspondingly, a second plug-in portion 221 is provided on the inner tank 220, and the first plug-in portion 417 and the second plug-in portion 221 are detachably plugged. The first plug-in portion 417 and the second plug-in portion 221 are shown with reference to FIGS. 4 and 5.

A plurality of second inserting portions 221 can be provided on the inner liner 220 at intervals along the height direction thereof, so that a plurality of box bodies 410 can be placed on the inner liner 220 at the same time, or the box bodies 410 have multiple placement positions on the inner liner 220.

Fig. 4 is an enlarged view of part A in Fig. 2. 4, the first plug-in portion 417 is provided on the left and right side walls of the lower box body 412, which includes a first plug-in rib 4171 and a first concave portion 4172 provided on the left and right sides of the first plug-in rib 4171. The lower part of a recessed portion 4172 is open, which facilitates the insertion with the second plug-in portion 221. FIG. 5 is a schematic structural diagram of a second plug-in portion provided on the inner bladder of the door according to some embodiments of the application. 5, the second plug-in portion 221 includes two first convex portions 2211 corresponding to the first concave portion 4172, and a plug gap 2212 is formed between the two first convex portions 2211; when the box body 410 is installed, the first The concave portion 4172 fits with the first convex portion 2211, the first convex portion 2211 is inserted into the first concave portion 4172 from bottom to top, and the first insertion rib 4171 is inserted into the plug gap 2212 from top to bottom, thereby realizing the box body 410 and the inner The connection between the bladder 220 is simple in plugging action and reliable in structure.

The first plug-in portion 417 is configured as a concave portion and a convex rib. The outer side surface of the first plug-in rib 4171 and the outer side surface of the lower box body 412 are on the same plane, so that the overall outer contour of the box body 410 is not obvious. The protruding structure prevents foreign objects from scratching the first insertion portion 417 when the box body 410 is transported, causing the first insertion portion 417 to break and fail, which affects the assembly between the box body 410 and the inner liner 220.

At least one of the mating surfaces of the first plug-in portion 417 and the second plug-in portion 221 is provided with a corrugated groove 450, which improves the reliability of the connection between the first plug-in portion 417 and the second plug-in portion 221.

Another function of the wavy slot 450 is that the height of the box body 410 can be adjusted through the wavy slot 450, so that the tip assembly 421 can be smoothly docked with the tip connection part 414, and the height of the box body 410 is not improper. This causes the pipe 422 to stretch or bend.

The number of the corrugated grooves 450 should not be too large to avoid affecting the convenient insertion between the first insertion portion 417 and the second insertion portion 221.

In some embodiments of the present application, the first insertion rib 4171 faces one of the first recesses 4172 on the side surface, one of the first convex parts 2211 faces the insertion gap 2212 on the side surface, and the inner bladder located at the insertion gap 2212 The walls of 220 are respectively provided with wave clamping grooves 450. In some embodiments of the present application, the box body 410 is indirectly disposed on the door inner liner 220 through the mounting seat 470. FIG. 6 is a schematic structural diagram of the vacuum preservation device provided by some embodiments of the present application being placed on the door body through the mounting seat. Referring to FIG. 6, a mounting seat 470 is provided on the inner bladder 220 of the door, and the box body 410 is placed on the mounting seat 470.

There is no direct connection between the box body 410 and the inner liner 220, which avoids frequent contact and connection between the box body 410 and the inner liner 220, which may cause the box body 410 to wear.

FIG. 7 is a schematic diagram of the structure of FIG. 6 with the door body omitted. Referring to FIG. 7, the box body 410 is slidably connected to the mounting seat 470 in a horizontal direction, which is convenient for taking and placing the box body 410.

Specifically, the mounting seat 470 has a bottom surface 471. The left and right sides and the rear side of the bottom surface 471 are provided with side walls. The front side of the bottom surface 471 is open and has no side walls. The box body 410 is placed on the bottom surface 471. The side opening structure facilitates the insertion and removal of the box body 410.

There is a certain gap between the side wall of the mounting seat 470 and the box body 410, which facilitates the smooth insertion of the box body 410 and avoids friction between the box body 410 and the side wall. Fig. 8 is a schematic diagram of the matching structure between the box body and the mounting seat of the vacuum fresh-keeping device provided by some embodiments of the application. Referring to Figure 8, the bottom surface 471 of the mounting seat 470 in contact with the box body 410 is provided with a second convex portion 4711. The box body 410 (specifically the bottom surface of the lower box body 412) is provided with a second concave portion 418 correspondingly 4711 is located in the second concave portion 418, and the positioning of the box body 410 on the mounting seat 470 is realized by the cooperation between the second convex portion 4711 and the second concave portion 418, and the box body 410 is prevented from moving or sliding out on the mounting seat 470 .

There is a certain gap between the outer contour of the second convex portion 4711 and the inner contour of the second concave portion 418, such as 3 to 5 mm. When the suction head assembly 421 is connected to the box body 410, the gap allows the box body 410 to be installed There is a certain amount of displacement on the seat 470 to adjust the position of the box body 410 to facilitate the smooth access of the suction head assembly 421.

The mounting base 470 and the inner liner 220 are detachably connected by plugging. The left and right side walls of the mounting base 470 are respectively provided with third plug-in parts 472, and the inner liner 220 of the door body is correspondingly provided with a second The plug-in portion 221, the third plug-in portion 472 and the second plug-in portion 221 are detachably plugged.

The third plug-in portion 472 and the second plug-in portion 221 are both plug-in structures extending in the vertical direction. The mounting seat 470 and the inner liner 220 are plugged and fixed in the vertical direction, and the box body 410 is being taken or There is horizontal sliding contact with the mounting seat 470 when placed, so as to avoid affecting the connection between the mounting seat 470 and the inner liner 220 when the box body 410 is taken or placed.

7, the third insertion portion 472 includes a third insertion rib 4721 and a third recess 4722 provided on the left and right sides of the third insertion rib 4721. The lower part of the third recess 4722 is open, which is convenient for the second insertion Insertion between the connecting portions 221; referring to FIG. 5, the second inserting portion 221 includes two first convex portions 2211 corresponding to the third concave portion 4722, and an insertion gap 2212 is formed between the two first convex portions 2211 When assembling the mounting seat 470, the third concave portion 4722 fits with the first convex portion 2211, the first convex portion 2211 is inserted into the third concave portion 4722 from bottom to top, and the third insert rib 4721 is inserted into the plug gap 2212 from top to bottom Inside, the connection between the mounting seat 470 and the inner liner 220 is further realized, and the plugging action is simple and the structure is reliable.

The third plug-in portion 472 is configured as a concave portion and a convex rib. The outer side surface of the third plug-in rib 4721 and the outer side surface of the mounting base 470 are on the same plane, so that the overall outer contour of the mounting base 470 has no obvious protrusion With the structure, when the mounting seat 470 is moved, it can prevent the third inserting portion 472 from being scratched by foreign objects, causing the third inserting portion 472 to break and fail, which affects the assembly between the mounting seat 470 and the inner liner 220.

At least one of the mating surfaces of the third plug-in portion 472 and the second plug-in portion 221 is provided with a corrugated groove 450, which improves the reliability of the connection between the third plug-in portion 472 and the second plug-in portion 221.

Another function of the wave card slot 450 is that the installation height of the mounting seat 470 can be adjusted through the wave card slot 450, so that the suction head assembly 421 can be smoothly docked with the suction head connecting part 414, and the height of the mounting seat 470 is not improper. This causes the pipe 422 to stretch or bend.

The number of corrugated grooves 450 should not be too large to avoid affecting the convenient insertion between the third insertion portion 472 and the second insertion portion 221.

In some embodiments of the present application, the third insertion rib 4721 is on the side facing one of the third recesses 4722, one of the first protrusions 2211 is facing the insertion gap 2212, and the inner bladder located at the insertion gap 2212 The walls of 220 are respectively provided with wave clamping grooves 450.

Three examples of installation positions of the vacuum pump 423 are given below. The vacuum pump 423 is installed on the upper end cover 230 of the door body, the vacuum pump 423 is installed on the door inner bladder 220, and the vacuum pump 423 is installed on the top of the box 300 and located on the hinged cover. Within 600, they will be described in detail below. FIG. 9 is a schematic diagram of the structure of the empty pump installed on the upper end cover of the door body provided by some embodiments of the application. 9, the upper end cover 230 of the door body is provided with a receiving cavity 231, and the vacuum pump 423 is arranged in the receiving cavity 231 to make full use of the internal space of the door body 200, and the vacuum pump 423 is not exposed, which is more beautiful.

The accommodating cavity 231 is a recessed portion recessed toward the inner side of the door body 200, and the top surface of the accommodating cavity 231 and the upper end cover 230 are on the same plane, which does not affect the overall shape of the door body 200.

FIG. 10 is a partial structural diagram of the upper end cover of the door provided by some embodiments of the application. 10, the accommodating cavity 231 is provided with a partition 232, the partition 232 divides the accommodating cavity 231 into a first accommodating cavity 2311 and a second accommodating cavity 2312 arranged on the left and right, the vacuum pump 423 is arranged in the first accommodating cavity 2311, The second accommodating cavity 2312 is used for wiring. For example, the power cord of the vacuum pump 423 and/or the pipeline connecting the vacuum pump 423 can be routed from the second accommodating cavity 2312 to make the arrangement of components in the accommodating cavity 231 more regular.

The partition 232 is provided with a notch 2321 to facilitate the line to penetrate from the second accommodating cavity 2312 into the first accommodating cavity 2311.

The upper end cover 230 is provided with a first groove portion 233, the opening of the first groove portion 233 is provided with a buckle cover 234, the buckle cover 234 and the first groove portion 233 enclose a receiving cavity 231, the buckle cover 234 and the upper end cover 230 can be detachably connected to facilitate the installation and maintenance of the vacuum pump 423.

The buckle cover 234 is a flat structure. In some embodiments, referring to FIG. 9, the left and right ends of the buckle cover 234 are respectively provided with lugs 2341, and the lugs 2341 are provided with screw holes. Connection; Figure 12 is a schematic diagram of the structure of the buckle cover provided by some embodiments of the application. Referring to Figure 12, the buckle cover 234 is provided with a connection buckle 2342, and the upper end cover is correspondingly provided with a hook (not shown), through the connection card The buckle 2342 and the hook are buckled to realize the installation of the buckle cover 234.

11, FIG. 11 is a schematic diagram of the structure of the pipeline 422 as viewed from the back side of the door 200. The bottom of the accommodating cavity 231 is provided with a first opening 2313, and the inner bladder 220 of the door is provided with a second opening. Hole 225, the pipe 422 drawn from the suction head assembly 421 penetrates through the second opening 225 between the inner liner 220 and the door shell 210 (that is, the foam layer), and then passes through the first opening 2313 and the vacuum pump 423 The suction port is connected.

Most of the pipeline 422 is hidden inside the door 200, and only a small section of the pipeline 422 connected to the suction head assembly 421 on the side of the inner tank 220 is exposed, and the overall pipeline is routed in a regular and orderly manner. A vibration damping component is provided between the accommodating cavity 231 and the vacuum pump 423 to reduce the vibration and noise of the vacuum pump 423.

9 and 10, the vibration damping assembly includes a plurality of supporting ribs 235 arranged on the inner wall of the accommodating cavity 231, that is, the inner wall of the first groove portion 233 and the buckle cover 234 are respectively provided with supporting ribs 235, the supporting ribs 235 extends along the circumferential direction of the accommodating cavity 231, and the outer end surface of the supporting rib 235 fits and fits the outer contour of the vacuum pump 423. The supporting rib 235 plays a role in supporting and positioning the vacuum pump 423 on the one hand, and reduces the vacuum pump 423 and the vacuum pump 423 on the other hand. The contact area between the inner walls of the accommodating cavity 231 is beneficial to reduce vibration.

The contour shape formed by the supporting ribs 235 extending in the circumferential direction is adapted to the outer contour of the vacuum pump 423, which has a better wrapping and positioning function for the vacuum pump 423, and makes the installation of the vacuum pump 423 more stable.

The buckle cover 234 is also provided with transverse ribs 236, and the transverse ribs 236 are cross-connected with a plurality of supporting ribs 235 provided on the buckle cover 234 to enhance the strength of the buckle cover 234.

The vibration damping component also includes a soft rubber layer 4231 wrapped around the outer circumference of the vacuum pump 423 to further reduce vibration transmission and noise. The vacuum pump 423 is installed on the inner tank 220 of the door body. The pipe 422 connecting the vacuum pump 423 and the suction head assembly 421 has a shorter length and does not require internal piping. The structure is simpler and easier to assemble. At the same time, the vacuum pump 423 is located on the side of the refrigerated space. The vacuum pump 423 can be kept in a low temperature environment all the time, which is beneficial to prolong the service life of the vacuum pump 423.

FIG. 13 is a schematic diagram of the structure of the vacuum pump installed on the inner bladder of the door according to some embodiments of the application; FIG. 14 is a schematic diagram of the assembly structure of the vacuum pump and the limiting portion provided by some embodiments of the application. 13 and 14, the inner container 220 of the door body is provided with a second groove portion 224 and a limiting portion 480. The limiting portion 480 is detachably connected to the inner container 220, and the vacuum pump 423 can be limited by the limiting portion 480. Located in the second groove portion 224, the vacuum pump 423 is fixed on the inner tank 220; at least part of the vacuum pump 423 is located in the second groove portion 224 to make the vacuum pump 423 more stable; at the same time, the convex size of the vacuum pump 423 is reduced Small, making the 220 side of the inner liner more regular and beautiful.

The limiting portion 480 includes a first limiting piece 481 and a second limiting piece 482. The first limiting piece 481 has a semi-hollow cylindrical structure, and the second limiting piece 482 is also a semi-hollow cylindrical structure. The piece 481 and the second limiting piece 482 are connected by a buckle or the like. After the two are connected, a hollow cavity is formed, and the vacuum pump 423 is located in the hollow cavity.

The first limiting piece 481 and the second limiting piece 482 are made of waterproof material (such as plastic), which has a certain waterproof effect on the vacuum pump 423, and prevents condensation in the refrigerated space from adversely affecting the performance of the vacuum pump 423.

The first limiting piece 481 and/or the second limiting piece 482 are fixedly connected to the inner liner 220 of the door body. In FIG. 14, the left and right sides of the second limiting piece 482 are respectively provided with a connecting portion 4821 through which the connecting portion 4821 passes The screw is fixedly connected with the inner liner 220 to realize the connection between the limit part 480 and the inner liner 220.

The bottom of the hollow cavity enclosed by the first limiting piece 481 and the second limiting piece 482 is provided with a third opening (not labeled) through which the pipe 422 penetrates, and the pipe 422 leading out from the suction head assembly 421 It communicates with the suction port of the vacuum pump 423 after passing through the third opening. FIG. 15 is a schematic structural diagram of a vacuum pump installed at a hinge cover according to some embodiments of the application. 15, the box body 300 and the door body 200 are rotationally connected by a hinge 500. The hinge 500 includes a hinge body 510 and a hinge shaft 520 provided on the hinge body 510. The hinge body 510 and the top surface of the box body 300 are fixedly connected by screws. , The upper end cover 230 is provided with a hinge shaft hole 237, and the hinge shaft 520 passes through the hinge shaft hole 237 to realize the rotational connection between the hinge shaft 520 and the upper end cover 230. When the door 200 is closed or opened, the hinge shaft 520 rotates in the hinge shaft hole 237, and the box 300 is not shown in FIG. 15.

The vacuum pump 423 is arranged on the top surface of the box 300, one end of the pipe 422 is connected to the vacuum pump 423, the middle section of the pipe 422 passes through the hinge shaft 520 and passes through the door 200, and the other end is connected to the suction head assembly 421.

The vacuum pump 423 is arranged on the top of the box 300, and the hinge shaft 520 is used to run the pipe. The external vacuum pump 423 does not occupy the space of the box 300 or the door 200 or the refrigerating space, which improves the space utilization of the refrigerator, and the external vacuum pump 423 It is more convenient to take over and take over.

Continuing to refer to FIG. 15, a hinge cover 600 is fixed on the top surface of the box 300, and the hinge cover 600 covers the vacuum pump 423 and the hinge 500 to prevent the vacuum pump 423 and the hinge 500 from being exposed and improve the aesthetics of the refrigerator.

FIG. 18 is a schematic structural diagram of a hinge cover provided by some embodiments of the application. 18, the hinge cover 600 is provided with a screw hole 620 on the side away from the side of the box body 300, and is fixedly connected to the top surface of the box body 300 by screws. In some embodiments, the hinge cover 600 is connected to the box body 300 by two screws. Fixed connection; the other part of the side of the hinge cover 600 is provided with a first connecting portion 630 (such as a plug-in protrusion), and the hinge body 510 is correspondingly provided with a second connecting portion 511 (such as a plug-in cavity), the first connection The part 630 is clamped to the second connecting part 511.

When installing the hinge cover 600, first connect the first connecting part 630 and the second connecting part 511 to realize the preliminary positioning and installation of the hinge cover 600, and then screw the screws to realize the final fixation between the hinge cover 600 and the box body 300, which is convenient Reliable assembly and structure.

The top surface of the box 300 is provided with a third groove portion (not shown), and the vacuum pump 423 is partially located in the third groove portion; referring to FIG. 18, a plurality of limit plates 610 are provided on the hinge cover 600, and the vacuum pump 423 One part is located in the accommodating space 640 surrounded by a plurality of limit plates 610; through the cooperation between the third groove part and the plurality of limit plates 610, the vacuum pump 423 is restricted in all directions, and the vacuum pump 423 is stable Ground is installed on the top of the box 300.

Reinforcing ribs (not marked) can be arranged between the limiting plate 610 and the body of the hinge cover 600 to enhance the strength of the limiting plate 610.

16 is a schematic diagram of the pipe running structure of the pipeline when the vacuum pump provided by some embodiments of the application is installed at the hinge cover; FIG. 17 is a schematic diagram of the pipe running structure of the pipeline viewed from the back side of the door body shown in FIG. 16. When the vacuum pump 423 is installed on the top of the box 300, the pipeline 422 adopts a two-stage piping method. Specifically, referring to 16 and Figure 17, the pipeline 422 includes a first pipeline 4221 and a second pipeline 4222; the first pipeline One end of the 4221 is connected to the suction head assembly 421, the other end passes through the hinge shaft 520 through the inside of the door 200, and is exposed from the hinge shaft 520; one end of the second pipe 4222 is connected to the vacuum pump 423, and the second pipe 4222 The other end extends close to the hinge shaft 520; the first pipe 4221 and the second pipe 4222 are connected to the outside of the hinge shaft 520 to realize the communication between the vacuum pump 423 and the storage cavity 416.

During installation, the suction head assembly 421 and the first pipeline 4221, the vacuum pump 423 and the second pipeline 4222 are installed separately, which is convenient for pipe connection and assembly.

When there is no need to vacuum the box body 410 or the box body 410 has been removed from the door body 200, in order to make the refrigerated space more tidy and improve the utilization rate of the refrigerated space, in some embodiments of the present application, the door body A hidden structure is provided on the 200 to hide the tip assembly 421 and part of the pipeline 422.

Specifically, the inner liner 220 of the door body is provided with a receiving portion 222. The receiving portion 222 has a hollow cavity and a movable door 223 that can be opened and closed. The movable door 223 opens or closes the hollow cavity, and the suction head assembly 421 and the storage When the object cavity 416 is not connected, the suction head assembly 421 and a part of the pipeline 422 connecting the suction head assembly 421 are located in the hollow cavity to avoid exposure.

FIG. 19 is a schematic diagram 1 of a structure for hiding the suction head assembly structure provided on the door inner bladder provided by some embodiments of the application (the movable door is closed). 19, the suction head assembly 421 and part of the pipeline 422 are located in the accommodating part 222 schematic diagram, at this time the movable door 223 is closed, the suction head assembly 421 and part of the pipeline 422 are located inside the accommodating part 222; The structure diagram when the door 223 is opened; FIG. 21 is a schematic diagram of the structure in which the suction head assembly 421 and part of the pipeline 422 are taken out of the accommodating portion 222 and the suction head assembly 421 is communicated with the storage cavity 416.

In some embodiments, the accommodating portion 222 is a concave structure provided on the inner container 220 to prevent the accommodating portion 222 from being convex and occupying the refrigerating space, thereby increasing the occupancy rate of the refrigerating space.

In some embodiments, the movable door 223 is slidably connected to the inner liner 220. For example, a slide rail structure is provided between the movable door 223 and the inner liner 220, and the movable door 223 can be opened or closed by pushing and pulling the movable door 223 up and down. Simple and easy to operate.

In some embodiments, the movable door 223 is made of a transparent material, and the user can know the placement position of the suction head assembly 421 at a glance when using it, which is convenient for use.

In some embodiments, a movable stopper (such as a rotatable stop bar, not shown) is provided in the receiving portion 222, and the movable stopper limits the pipeline 422 or the suction head assembly 421 in the receiving portion 222. This position makes the placement of the pipeline 422 and the suction head assembly 421 in the accommodating part 222 more reliable and will not fall out.

In some embodiments of the present application, the vacuuming time of the vacuum fresh-keeping device 400 is program-controlled, so that the storage chamber 416 can reach a true vacuum state, and avoiding the vacuuming time being too short and causing the vacuuming failure or the vacuuming time to be too short. Long and damage the vacuum pump 423, box body 410 and other components.

The refrigerator also includes a control system. The control system includes a door switch detection device for detecting the opening or closing of the door. The control system is electrically connected to the vacuum pump 423 in the vacuum assembly 420 to control the opening or closing of the vacuum pump 423; the control system can Counting the running time of the vacuum assembly 420, specifically, counting the running time of the vacuum pump 423.

The configuration of the control system is: when the door switch detecting device detects that the door body 200 is open, the vacuum pumping assembly 420 is controlled to stop running.

After the vacuum assembly 420 is started, when the door switch detection device detects that the door 200 is open, the control system controls the vacuum assembly 420 to stop. After the door switch detection device detects that the door 200 is closed again, the control system controls the vacuum assembly 420 Turn it back on.

When the running time of the vacuuming assembly 420 reaches the set time required for the vacuuming of the storage chamber 416 to complete, the control system controls the vacuuming assembly 420 to stop.

The time control of the vacuum preservation device 400 will be described in detail below with reference to FIG. 23.

It is set that the storage chamber 416 needs time t1 to reach the vacuum state under the action of the vacuuming assembly 420. When vacuuming, the control system first detects whether the door 200 is in the closed state. If so, the control system controls the vacuum pump 423 to open and shut down. The cumulative operating time of the vacuum pump 423 is cleared, and the vacuum assembly 420 starts to vacuum the box body 410 until the vacuum pump 423 runs cumulatively to time t1, indicating that the vacuuming of the box body 410 is completed at this time, and the box body 410 is in a vacuum state. The control system controls the vacuum pump 423 to stop; if the control system first detects that the door 200 is in the open state, the vacuum pump 423 does not start.

When the storage chamber 416 changes to a vacuum state under the action of the vacuum assembly 420, if the control system detects that the door 200 is opened in the middle, the control system will control the vacuum assembly 420 (specifically the vacuum pump 423) to stop and set the vacuum pump 423. The stop operation time is t2. After the door 200 is closed again, the control system will control the vacuum pump 423 to restart. After the vacuum pump 423 runs again (t1-t2), the control system will control the vacuum pump 423 to stop. The accumulated running time is t1, and the inside of the box body 410 reaches a vacuum state.

Through program control, the vacuum pump 423 is stopped when the door 200 is opened, and the user can take the box 410 and other operations at this time; and if the vacuum pump 423 continues to work when the door 200 is opened, the user can perform operations on the box 410 at this time. Operations such as taking it will cause invalid operation of the vacuum pump 423, affect the user experience, and reduce the service life of the vacuum pump 423.

Buttons for controlling the start and stop of the vacuum assembly 420 are provided on the inner tank 220 or on the outer surface of the door. The control system receives the start and stop signals of the buttons to control the start and stop of the vacuum assembly 420. When the user needs to vacuum the box, Simply press the start and stop button of the vacuum component. In some embodiments of the present application, the vacuuming pressure of the vacuum preservation device 400 is programmed to control, so that the storage chamber 416 can reach a true vacuum state, and avoiding that the vacuuming pressure is too small to cause vacuuming failure or excessive vacuuming pressure. The vacuum pump 423, the box body 410 and other components are damaged due to the large size.

The refrigerator also includes a control system. The control system includes a pressure sensor that detects the pressure in the vacuum preservation device. The control system is electrically connected to the vacuum pump 423 in the vacuum assembly 420 to control the opening or closing of the vacuum pump 423.

The configuration of the control system is: when the pressure sensor detects that the pressure in the vacuum preservation device 400 reaches the set pressure value, the vacuuming assembly 420 is controlled to close.

The control system also includes a door switch detection device for detecting the opening or closing of the door body 200. When the door body switch detection device detects that the door body 200 is opened, the control system controls the vacuum assembly 420 to close.

When the storage chamber 416 changes to a vacuum state under the action of the vacuuming assembly 420, when the door switch detection device detects that the door 200 is open, the control system controls the vacuuming assembly 420 to close, and the door switch detection device detects the door 200 After it is closed again, the control system controls the vacuum assembly 420 to open again.

The door 200 is provided with a button for controlling the start and stop of the vacuum assembly, and the control system receives the start and stop signal of the button to control the start and stop of the vacuum assembly 420.

FIG. 24 is a schematic diagram of pressure control of a vacuum preservation device provided by some embodiments of the application. The pressure control of the vacuum preservation device 400 will be described in detail below with reference to FIG. 24.

When the pressure in the storage chamber 416 reaches the pressure P1 under the action of the vacuum assembly 420, the storage chamber 416 is in a vacuum state. When the control system detects that the pressure in the storage chamber 416 is P1, the control system The control vacuum assembly 420 is turned off, specifically, the vacuum pump 423 is controlled to stop.

When the storage chamber 416 changes to a vacuum state under the action of the vacuum assembly 420, if the control system detects that the door 200 is opened in the middle, the control system controls the vacuum pump 423 to stop. After the door 200 is closed again, the control system controls the vacuum pump 423 Re-open, until the pressure value detected by the control system is the value P1, the vacuum pump 423 will be controlled to stop.

Through program control, the vacuum pump is stopped when the door 200 is opened, and the user can perform operations such as taking the box 410 at this time; and if the vacuum pump 423 continues to work when the door 200 is opened, the user can take the box 410 at this time. When the operation is performed, the vacuum pump 423 will be ineffective, which will affect the user experience and reduce the service life of the vacuum pump 423.

Buttons for controlling the start and stop of the vacuum assembly 420 are provided on the inner tank 220 or on the outer surface of the door. The control system receives the start and stop signals of the buttons to control the start and stop of the vacuum assembly 420. When the user needs to vacuum the box, Simply press the start and stop button of the vacuum component.

In some embodiments of the present application, the pressure sensor is arranged on the pipeline 422, and the pressure sensor is electrically connected to the control system to realize pressure detection.

In some embodiments of the present application, the above-mentioned vacuum fresh-keeping device 400 arranged on the door body 200 is further provided with an air-conditioning film 490, and the air-conditioning film 490 may be arranged on the box body 410.

By adjusting the installation direction and the installation position of the atmosphere-adjustable membrane 490, the flow direction of oxygen can be adjusted to achieve different effects. When the atmosphere-modified film 490 allows the oxygen in the storage cavity 416 to be discharged unidirectionally, it can make the storage cavity 416 reach a vacuum, low temperature, and hypoxic state, improve freshness, and be suitable for the storage of fruits, vegetables, fresh milk and other items; When the regulating membrane 490 allows external oxygen to flow into the storage cavity 416 unidirectionally through the atmosphere regulating membrane 490, it can make the storage cavity 416 reach a low temperature and high oxygen state, improve the retention, and is suitable for storage of live fish and the like.

The two installation structures of the atmosphere-adjustable membrane 490 will be described in detail below. FIG. 25 is a schematic structural diagram of a box body provided with an atmosphere-modulating membrane that allows oxygen in the box to be discharged unidirectionally according to some embodiments of the application; FIG. 26 is a schematic structural diagram of the upper cover of the embodiment shown in FIG. 25. 25 and 26, a position where the vacuum assembly 420 communicates with the storage cavity 416 is provided with an atmosphere-modified membrane 490 (marked as the first atmosphere-modified membrane 491), and the first atmosphere-modified membrane 491 allows the storage chamber 416 to The oxygen is unidirectionally exhausted through the vacuum assembly 420, so that the storage cavity 416 reaches a vacuum, low temperature, and low oxygen state.

Specifically, the inner side wall of the upper cover body 411 is provided with a first atmosphere-modified membrane installation portion 4191, the first atmosphere-modified membrane 491 is installed at the first atmosphere-modified membrane installation portion 4191, and the first atmosphere-modified membrane 491 connects the vent 413 Compared with the vacuum fresh-keeping device 400 without the first atmosphere-modified film 491, the vacuum assembly 420 extracts more oxygen per unit working time during vacuuming, thereby making the oxygen content in the box 410 lower. Improve the preservation effect. FIG. 27 is a schematic structural diagram of a box body provided with an air-conditioning membrane that allows oxygen outside the box to enter in one direction according to an embodiment of the application. 27, the box body 410 is provided with an air-conditioning membrane 490 (marked as the second air-conditioning membrane 492). The second air-conditioning membrane 492 allows outside oxygen to flow into the storage cavity 416 in one direction through the second air-conditioning membrane 492. In the vacuum assembly 420, the storage chamber 416 will be vacuumed first, and the pressure in the storage chamber 416 is negative pressure. At this time, a large amount of oxygen outside the storage chamber 416 will enter the storage chamber through the second gas-regulating membrane 492. In the object cavity 416, the oxygen content in the storage cavity 416 is greatly increased.

Specifically, the upper cover body 411 is provided with a second atmosphere-modified film installation portion 4192, the second atmosphere-modified film installation portion 4192 is an opening structure, and the second atmosphere-modified film 492 covers the opening.

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

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

Claims

A refrigerator including:

Storeroom

The door is used to open or close the storage room;

The vacuum fresh-keeping device is detachably arranged on the door body;

The vacuum preservation device includes:

A box body with a storage cavity formed therein, and the box body and the door body are detachably connected;

The vacuuming component is detachably connected with the storage cavity through a pipeline, and is used for vacuuming the storage cavity.
The refrigerator according to claim 1, wherein,

The box body is provided with a vent, the vent is provided with a one-way valve, the one-way valve is used to relieve the pressure of the storage cavity, and the vacuum assembly is connected to the vacuum through the pipeline. The vent can be detachably connected.
The refrigerator according to claim 2, wherein,

The vacuum assembly includes a vacuum pump and a suction head assembly. One end of the pipeline is connected to the vacuum pump and the other end is connected to the suction head assembly. The suction head assembly is detachably connected with the vent.
The refrigerator according to claim 3, wherein,

The box body is provided with a suction head connection part, the suction head connection part is a concave part facing the side of the storage cavity, the suction head connection part is provided with the vent, the suction head assembly It is detachably connected with the suction head connection part, and the pipeline is communicated with the vent.
The refrigerator according to claim 4, wherein,

The suction head assembly includes a connected pipeline connection part and a sealing part, the pipeline is connected to the pipeline connection part, and the sealing part is adapted to the suction head connection part and is detachably and hermetically connected.
The refrigerator according to any one of claims 1 to 5, wherein:

The box body includes a lower box body and an upper cover body, a locking assembly is provided between the lower box body and the upper cover body, and the locking assembly locks the lower box body and the upper cover body tight.
The refrigerator according to claim 6, wherein,

A sealing strip is arranged between the lower box body and the upper cover body.
The refrigerator according to any one of claims 1 to 5, wherein:

A first plug-in portion is provided on the side wall of the box body, a second plug-in portion is correspondingly provided on the inner liner of the door body, and the first plug-in portion and the second plug-in portion are detachable Plug in.
The refrigerator according to claim 8, wherein,

The first plug-in portion includes a first plug-in rib and a first concave portion provided on the left and right sides of the first plug-in rib;

The second plug-in portion includes two first convex portions corresponding to the first concave portion, and an plug-in gap is formed between the two first convex portions;

The first concave portion is adapted to the first convex portion, and the first insertion rib is inserted in the insertion gap.
The refrigerator according to claim 8, wherein,

At least one of the mating surfaces of the first plug-in portion and the second plug-in portion is provided with a corrugated groove.
A refrigerator, characterized in that it comprises:

Storeroom

The door body is used to open or close the storage room, the door body includes an upper end cover, and the upper end cover is provided with a receiving cavity;

The vacuum preservation device includes:

A box body, a storage cavity is formed in the box body, and the box body is connected with the door body;

The vacuum assembly includes a vacuum pump, a suction head assembly, and a pipeline. The vacuum pump is arranged in the containing cavity. One end of the pipeline is connected to the vacuum pump and the other end is connected to the suction head assembly. It is detachably connected with the storage cavity, and the vacuuming assembly is used for vacuuming the storage cavity.
The refrigerator according to claim 11, wherein,

The bottom of the accommodating cavity is provided with a first opening, the inner liner of the door body is provided with a second opening, and the pipeline penetrates the inner liner and the door through the second opening The shells of the body are connected to the suction port of the vacuum pump through the first opening.
The refrigerator according to claim 11, wherein,

A partition is provided in the containing cavity, and the partition divides the containing cavity into a first containing cavity and a second containing cavity, the vacuum pump is arranged in the first containing cavity, and the second containing cavity Used for routing.
The refrigerator according to claim 11, wherein,

A buckle cover is provided at the opening of the containing cavity, and the buckle cover is detachably connected with the upper end cover.
The refrigerator according to any one of claims 11 to 14, wherein:

The box body is provided with a vent, the vent communicates with the storage cavity, and the vent is provided with a one-way valve, and the one-way valve is used to relieve the pressure of the storage cavity, The suction head assembly is detachably connected with the vent.
The refrigerator according to claim 15, wherein,

The box body is provided with a suction head connection part, the suction head connection part is a concave part facing the side of the storage cavity, the suction head connection part is provided with the vent, the suction head assembly It is detachably connected with the suction head connection part.
The refrigerator according to claim 16, characterized in that,

The suction head assembly includes a connected pipeline connection part and a sealing part, the pipeline is connected to the pipeline connection part, and the sealing part is adapted to the suction head connection part and is detachably and hermetically connected.
The refrigerator according to any one of claims 11 to 14, wherein:

The box body includes a lower box body and an upper cover body, a locking assembly is provided between the lower box body and the upper cover body, and the locking assembly locks the lower box body and the upper cover body tight.
The refrigerator according to claim 18, wherein,

A sealing strip is arranged between the lower box body and the upper cover body.