CN113623921A

CN113623921A - Refrigerator with a door

Info

Publication number: CN113623921A
Application number: CN202010382018.8A
Authority: CN
Inventors: 杨春; 冯泽中; 蒋文静
Original assignee: Hisense Shandong Refrigerator Co Ltd
Current assignee: Hisense Shandong Refrigerator Co Ltd
Priority date: 2020-05-08
Filing date: 2020-05-08
Publication date: 2021-11-09
Anticipated expiration: 2040-05-08
Also published as: CN113623921B

Abstract

The invention discloses a refrigerator, which comprises a storage chamber, a door body, a preservation box, a vacuumizing assembly and a magnetic-sensitive switch, wherein a storage chamber is formed in the preservation box, the preservation box is connected with the door body, the vacuumizing assembly comprises a vacuum pump, a vacuumizing pipeline and a vacuumizing joint assembly, the vacuum pump and the vacuumizing joint assembly are communicated through the vacuumizing pipeline, and when the vacuumizing joint assembly is connected with the preservation box, the vacuumizing assembly can vacuumize the storage chamber. The vacuumizing joint assembly is arranged on the door body in a turnover mode, a magnet is arranged on the vacuumizing joint assembly, a magnetic sensitive switch is correspondingly arranged on the door body, and the magnetic sensitive switch is communicated with the vacuum pump and controls the starting and stopping of the vacuum pump. When the vacuumizing joint component is turned upwards, the magnet is close to the magnetic sensitive switch and can trigger the magnetic sensitive switch to be turned off. When the vacuumizing joint component turns downwards, the magnet is far away from the magnetic sensitive switch and can trigger the magnetic sensitive switch to be turned on. Through the cooperation between evacuation joint subassembly and the magnetic sensitive switch, realize that the automation of evacuation subassembly stops, improve and use the convenience.

Description

Refrigerator with a door

Technical Field

The invention relates to the technical field of refrigeration equipment, in particular to a refrigerator with a vacuum refreshing device.

Background

In recent years, people's health consciousness is gradually improved, and the demand for food material preservation is also improved, so that the refrigerator is used as the most common household appliance for storing food materials, and the food material preservation storage becomes a technical demand to be solved urgently in the field of refrigerators.

At present, different preservation technologies are introduced by various manufacturers aiming at the problem of food material preservation and storage. For example, in the vacuum preservation technology, the food deterioration condition is changed in the vacuum state. Firstly, in a vacuum environment, microorganisms and various promoting enzymes are difficult to survive, and the requirement of microorganism breeding can be met for a long time; secondly, under the vacuum state, the oxygen in the container is greatly reduced, various chemical reactions can not be completed, the food can not be oxidized, and the food can be preserved for a long time.

The vacuum preservation technology applied to the refrigerator at present mainly comprises the steps that a sealed drawer is arranged in the refrigerator, and the drawer is vacuumized through a small vacuum pump arranged outside the drawer, so that the drawer is kept in a negative pressure state, and the preservation of food materials in the drawer is realized. This preservation method has the following limitations: 1. because the vacuum pumping treatment is realized by a vacuum pump, the vacuum pump can occupy part of the storage space of the refrigerating chamber; 2. the drawer is required to be sealed in the fresh-keeping mode, otherwise, the vacuum state cannot be formed in the drawer, and therefore higher requirements are provided for the forming and assembling processes of the drawer; 3. the drawer belongs to an inherent part in the refrigerator, and the drawer can not be taken out of the refrigerator for random transportation, so that the drawer is inconvenient for the transportation and the use of vacuum fresh-keeping articles.

Disclosure of Invention

In some embodiments of this application, a refrigerator is provided, the door body inner bag side of refrigerator is equipped with the crisper and is used for carrying out the evacuation subassembly of evacuation to the crisper, and the crisper can not additionally occupy the cold-stored space in the storeroom, and the cold-stored space of the internal inner bag side of make full use of improves the cold-stored space utilization of refrigerator.

In some embodiments of the present application, the evacuation assembly is configured to evacuate a storage cavity of the preservation box, and the evacuation assembly includes a vacuum pump, an evacuation pipeline and an evacuation connector assembly, and the vacuum pump and the evacuation connector assembly are communicated by the evacuation pipeline, and when the evacuation connector assembly is connected to the preservation box, the evacuation assembly can evacuate the storage cavity; the vacuumizing connector assembly is arranged on the door body in a turnover mode, a magnet is arranged on the vacuumizing connector assembly, a magnetic sensitive switch is correspondingly arranged on the door body, and the magnetic sensitive switch is communicated with the vacuum pump and controls the starting and stopping of the vacuum pump; when the vacuumizing joint assembly is turned upwards, the magnet is close to the magnetic sensitive switch and can trigger the magnetic sensitive switch to be turned off; when the vacuumizing joint component turns downwards, the magnet is far away from the magnetic sensitive switch and can trigger the magnetic sensitive switch to be turned on. Through the cooperation between evacuation joint subassembly and the magnetic sensitive switch, realize that the automation of evacuation subassembly stops, convenient to use more improves and uses the convenience.

In some embodiments of the present application, during the vacuum pumping process of the vacuum pumping assembly, if the vacuum pumping joint assembly is turned upwards, the magnetic sensitive switch may be triggered to be turned off, and the vacuum pump is immediately stopped.

In some embodiments of this application, be equipped with the installation base on the door body, the installation base includes mounting substrate and installation apron, mounting substrate locates in the foaming layer of the door body, be formed with the cavity in the mounting substrate, the cavity orientation the inboard of the door body is uncovered, the installation apron is located uncovered department, the evacuation joint subassembly is located with overturning on the installation apron, follow the evacuation joint subassembly is drawn forth the evacuation pipeline warp uncovered the cavity extremely the vacuum pump.

In some embodiments of this application, the installation apron orientation one side of cavity is equipped with the magnetic sensitive switch installation department, the magnetic sensitive switch is located in the magnetic sensitive switch installation department.

In some embodiments of the present application, a partition plate is disposed in the cavity, and the partition plate divides the cavity into an upper cavity and a lower cavity which are arranged up and down; the magnetic sensitive switch is positioned in the upper cavity, a wire outlet hole is formed in the side wall of the upper cavity, and a circuit electrically connected with the magnetic sensitive switch is led out through the wire outlet hole; and a second pipe joint is arranged on the side wall of the lower cavity, and the vacuumizing pipeline led out from the vacuumizing joint assembly passes through the lower cavity to the second pipe joint and then is communicated with the vacuum pump.

In some embodiments of this application, be equipped with the opening on the installation apron, opening department is equipped with the extension, the extension encloses to be established the left side, right side and the downside of opening, the left and right sides of evacuation joint subassembly respectively with be located left side and right side the extension rotates to be connected, the opening is just right cavity down.

In some embodiments of the present application, the preservation box is provided with a vacuum-pumping interface part communicated with the storage cavity; the vacuumizing connector assembly comprises an upper cover body and a lower cover body, an air flow channel is formed between the upper cover body and the lower cover body, the vacuumizing pipeline is connected with the upper cover body or the lower cover body and is communicated with the air flow channel, and the lower cover body can be connected with the vacuumizing interface part so as to enable the air flow channel to be communicated with the storage cavity; the magnet is arranged on the upper cover body.

In some embodiments of the present application, an annular upper cover protruding portion is disposed on the upper cover, and the upper cover protruding portion extends toward the lower cover; the lower cover body is provided with a circular lower cover body protruding part, the lower cover body protruding part extends towards the upper cover body, a lower cover body air inlet is formed in the area, surrounded by the lower cover body protruding part, of the lower cover body, a first pipe joint is arranged on the lower cover body protruding part, and the vacuumizing pipeline is connected with the first pipe joint; the upper cover body bulge is inserted into the inner periphery of the lower cover body bulge, and the top end of the lower cover body bulge is abutted to the upper cover body.

In some embodiments of this application, be equipped with two magnet installation departments on the upper cover body, every all be equipped with magnet on the magnet installation department, follow first coupling is drawn forth the evacuation pipeline is through two clearance between the magnet installation department is drawn forth.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural view of a refrigerator according to an embodiment;

FIG. 2 is a schematic view of an assembly of the crisper, the vacuum adapter assembly, and the mounting base according to an embodiment;

FIG. 3 is a schematic structural view of the vacuum adapter assembly shown in FIG. 2 after being turned upwards (the crisper is omitted);

FIG. 4 is a cross-sectional view of an evacuation connector assembly according to an embodiment;

FIG. 5 is a schematic view of a lower cover of the vacuum adapter assembly shown in FIG. 4;

FIG. 6 is a schematic view of the upper cover of the vacuum adapter assembly shown in FIG. 4;

FIG. 7 is a cross-sectional view of an evacuation connector assembly according to another embodiment;

fig. 8 is a schematic structural view (split type) of a mounting base according to the embodiment;

fig. 9 is a schematic view of the mounting base shown in fig. 8, viewed from the back side;

FIG. 10 is a schematic view of a mounting substrate in the mounting base shown in FIG. 8;

FIG. 11 is a schematic view of the mounting plate of the mounting base of FIG. 8;

FIG. 12 is a schematic structural view of a mounting base according to another embodiment (one-piece);

fig. 13 is a schematic view of the mounting base of fig. 12, viewed from the back side;

FIG. 14 is a schematic view of an assembly structure for mounting a base and a bodyside bezel in accordance with an embodiment;

FIG. 15 is a schematic view of a partial structure of a door body side frame according to an embodiment;

FIG. 16 is a schematic view of a mounting cover with a magnetic sensitive switch mounted thereon according to an embodiment;

FIG. 17 is a schematic diagram of an upper cover of an evacuation connector assembly according to another embodiment.

Reference numerals:

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

200-a door body;

210-a door body shell;

220-inner container;

230-upper end cap;

240-lower end cap;

250-side frame, 251-limiting part, 2511-clamping groove part, 2512-stopping rib and 2513-reinforcing rib;

260-a shelf;

300-a box body;

400-fresh-keeping box, 410-storage cavity, 420-vacuumizing interface part, 421-groove part, 422-vent, 423-pressure release valve;

500-a vacuum pumping assembly;

510-vacuum pumping joint component, 511-upper cover body, 5111-upper cover body protrusion, 5112-second magnet, 5113-third magnet, 5114-screw mounting counter bore, 5115-trip, 5116-decorative plate, 5117-magnet mounting part, 512-lower cover body, 5121-lower cover body protrusion I, 5122-lower cover body protrusion II, 51221-vent hole, 5123-lower cover body plug part, 5124-soft rubber part, 5125-bottom plate, 51251-screw mounting column, 51252-column, 5126-peripheral side plate, 51261-clamping groove, 51262-annular boss, 51263-through hole, 5127-lower cover body air inlet, 5128-concave part, 5129-arc transition part, 513-sealing ring, 514-screw and 515-air buffer cavity;

520-vacuum line, 5251-first pipe joint, 5252-second pipe joint;

530-a vacuum pump;

600-mounting a base;

610-mounting substrate, 611-first mounting substrate, 612-second mounting substrate, 6121-first boss, 6122-second boss, 613-cavity, 6131-upper cavity, 6132-lower cavity, 6133-outlet, 614-opening, 615-separation plate, 616-support column, 617-first magnet, 618-hook part;

620-mounting cover plate, 621-opening part, 622-extending part, 6221-round hole, 623-buckling part and 626-magnetic sensitive switch mounting part;

800-magnetic sensitive switch.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.

The terms "first", "second" and "first" are used for descriptive purposes only and are not to 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 explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

[ basic operation principle of refrigerator ]

Fig. 1 is a perspective view of an embodiment of a refrigerator of the present application, the refrigerator of the present embodiment having an approximately rectangular parallelepiped shape. The refrigerator has an external appearance defined by a storage chamber 100 defining a storage space, and a plurality of door bodies 200 disposed in the storage chamber 100, wherein the door bodies 200 include a door body outer case 210 located outside the storage chamber 100, a door body inner container 220 located inside the storage chamber 100, an upper end cover 230, a lower end cover 240, and a foaming layer located between the door body outer case 210, the door body inner container 220, the upper end cover 230, and the lower end cover 240.

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

[ fresh-keeping box, vacuum-pumping component ]

Referring to fig. 1 to 3, the refrigerator of the present application further includes a fresh food box 400 and a vacuum pumping assembly 500.

The storage cavity 410 is formed in the preservation box 400, the preservation box 400 is detachably connected with the door body 200 (specifically, the door body inner container 220), the preservation box 400 is convenient to take down from the door body 200, and the use convenience of the preservation box 400 is improved.

The preservation box 400 comprises a box body and a cover body, wherein a vacuumizing connector part 420 is arranged on the cover body, and the vacuumizing connector part 420 is used for being matched with the vacuumizing assembly 500, so that the vacuumizing assembly 500 is communicated with the storage cavity 410 and the storage cavity 410 is vacuumized.

The vacuum pumping assembly 500 can make the interior of the preservation box 400 reach a vacuum state, which is not an absolute vacuum state but a low pressure state, so as to improve the preservation of the articles stored in the preservation box 400. The vacuum degree in the preservation box 400 in this embodiment is 0.6-0.9 mpa.

The evacuation assembly 500 includes a vacuum pump 530, an evacuation pipeline 520 and an evacuation connector assembly 510, the evacuation pipeline 520 connects the vacuum pump 530 and the evacuation connector assembly 510, the evacuation connector assembly 510 is detachably connected to the evacuation interface 420, and the vacuum pump 530 provides evacuation power for the entire evacuation assembly 500.

When the storage cavity 410 needs to be evacuated, the evacuation connector assembly 510 is communicated with the storage cavity 410, that is, the evacuation connector assembly 510 is connected to the evacuation interface 420, at this time, the vacuum pump 530 is started, and the gas in the storage cavity 410 can be exhausted from the vacuum pump 530 through the evacuation connector assembly 510 and the evacuation pipeline 520, so as to realize the negative pressure in the storage cavity 410.

The vacuumizing joint assembly 510 is arranged on the door body 200, specifically on the door body liner 220, and the vacuumizing joint assembly 510 can be communicated with the storage cavity 410.

When the preservation box 400 needs to be taken down from the door body 200, the vacuum-pumping connector assembly 510 is turned over to be separated from the preservation box 400, that is, the vacuum-pumping connector assembly 510 is separated from the vacuum-pumping interface part 420.

On the door body inner bag 220 was located with overturning to evacuation connector subassembly 510 in this application, according to whether need carry out the evacuation to crisper 400 and with evacuation connector subassembly 510 upwards upset or overturn downwards can, the simple operation, convenient to use.

The vacuum pump 530 may be mounted on the upper end cover 230 of the door body, and the vacuum line 520 leading from the vacuum joint assembly 510 may extend to the upper end cover 230 through the foamed layer of the door body 200, and communicate with the vacuum pump 530.

The vacuum pump 530 can be started or stopped by a key switch, referring to fig. 2, a key switch 900 is arranged on the installation base 600, and the key switch 900 is communicated with the vacuum pump 530. The key switch 900 is pressed, the vacuum pump 530 is started, and the vacuum pumping assembly 500 starts to evacuate the storage cavity 410. After the vacuum pumping is completed, the key switch 900 is pressed again, and the vacuum pump 530 stops working.

In some embodiments of the application, referring to fig. 1, the shelf 260 is arranged on the door body inner container 220, and the preservation box 400 is directly placed in the shelf 260, so that the preservation box 400 is detachably connected with the door body inner container 220. When the preservation box 400 needs to be taken out of the refrigerator, the preservation box 400 can be directly taken out of the shelf 260.

[ magnetosensitive switch ]

The start and stop of the vacuum pumping assembly 500 are controlled by the magnetic sensitive switch 800.

Referring to fig. 16 and 17, the vacuum pumping joint assembly 510 is arranged on the inner container 220 of the door body in an inverted manner, a magnet (not shown) is arranged on the vacuum pumping joint assembly 510, a magnetic sensitive switch 800 is correspondingly arranged on the door body 200, and the magnetic sensitive switch 800 communicates with the vacuum pump 530 to control the on/off of the vacuum pump 530.

When the vacuum-pumping joint assembly 510 is turned upwards, the vacuum-pumping joint assembly 510 is separated from the vacuum-pumping interface part 420 on the fresh-keeping box 400, and the storage cavity 410 does not need to be vacuumized, at this time, the magnet gradually approaches the magnetic sensitive switch 800 along with the upward turning action of the vacuum-pumping joint assembly 510, and triggers the magnetic sensitive switch 800 to be turned off, and the vacuum pump 530 stops.

When the vacuum-pumping joint assembly 510 is turned over downwards, the vacuum-pumping joint assembly 510 is connected with the vacuum-pumping interface part 420 on the fresh-keeping box 400, and the storage cavity 410 needs to be vacuumized, at this time, the magnet gradually gets away from the magnetic sensitive switch 800 along with the downward turning action of the vacuum-pumping joint assembly 510, and triggers the magnetic sensitive switch 800 to be turned on, and the vacuum pump 530 is turned on.

The magnet triggers the magnetic-sensing switch 800 to generate a corresponding instruction along with the action of the vacuumizing connector assembly 510, so that the response intellectualization and the corresponding speed of the vacuumizing assembly 510 are improved, and the use experience of a user is improved.

In some embodiments of the present application, during the vacuum pumping process of the vacuum pumping assembly 500, if the vacuum pumping connector assembly 510 is turned upwards, the magnetic sensitive switch 900 will be triggered to be turned off, and the vacuum pump 530 is immediately stopped, so as to improve the safety of the vacuum pumping process of the apparatus.

In some embodiments of the present application, referring to fig. 16, a magnetic switch mounting portion 626 is disposed on a side of the mounting cover 620 facing the cavity 613, and the magnetic switch 800 is disposed in the magnetic switch mounting portion 626.

In the present application, the magnetic sensitive switch installation portion 626 includes a plurality of claw structures, and the magnetic sensitive switch 800 is limited in the area where the plurality of claw structures are. The magnetic sensitive switch 800 is located above the opening 614.

In some embodiments of the present application, referring to fig. 17, a magnet (not shown) for triggering the magnetic sensitive switch 800 is disposed on the upper cover 511 of the vacuum joint assembly 510, so that when the vacuum joint assembly 510 is turned upwards or downwards, the magnet can trigger the magnetic sensitive switch 800 more swiftly and accurately.

Go up the lid 511 and be equipped with magnet installation department 5117, magnet installation department 5117 has a plurality of jack catch structures, and magnet is spacing in the region that a plurality of jack catch structures enclose, realizes the fixed mounting of magnet.

In some embodiments of the present application, two magnet mounting portions 5117 are disposed on the upper cover 511, and each magnet mounting portion 5117 is provided with a magnet, and the two magnets simultaneously sense the magnetic-sensitive switch 800, thereby improving reliability.

The evacuation line 520 leading from the evacuation connector assembly 510 is led out through the gap between the two magnet mounting portions 5117, and the routing of the evacuation line 520 is not affected.

In some embodiments of the present application, with continued reference to fig. 1 to 3, a mounting base 600 is disposed on the door body 200, and the vacuum pumping connector assembly 510 is disposed on the mounting base 600 in an overturned manner.

The installation of the vacuum-pumping joint assembly 510 is realized through the installation base 600, on one hand, the processing of the door body 200 is convenient, the door body 200 does not need to make excessive structural changes, and the door body only needs to make corresponding adaptive structural adjustment according to the structure of the installation base 600; on the other hand, according to the installation manner of the vacuum joint assembly 510, only the partial structure of the installation base 600 needs to be adjusted. In view of the above two aspects, the installation of the vacuum connector assembly 510 by the installation base 600 can greatly reduce the production cost and the development cost.

In addition, the mounting base 600 provides a certain mounting space for the wiring of the vacuum line 520 and the installation of related electrical components for controlling the start and stop of the vacuum assembly 500.

In some embodiments of the present application, referring to fig. 8, a schematic structural diagram of the mounting base 600 may be provided, where a first magnet 617 is disposed on the mounting base 600; referring to fig. 4, a schematic structural diagram of the vacuum joint assembly 510 can be seen, wherein a second magnet 5112 is correspondingly disposed on the vacuum joint assembly 510. When the vacuum connector assembly 510 is flipped up, the first magnet 617 can be attracted to the second magnet 5112.

When the vacuum fitting assembly 510 is not in use, the vacuum fitting assembly 510 may be flipped up and held in the state shown in fig. 3 by the attraction between the first magnet 617 and the second magnet 5112. At this time, the vacuumizing joint assembly 510 is close to the door body inner container 220, so that the refrigerating space in the refrigerating chamber is prevented from being occupied.

In some embodiments of the present application, referring to fig. 1, the vacuum pumping joint assembly 510 is disposed at a side close to a hinge of the door 200 and the refrigerator body 300, so that when the door 200 is opened or closed, a moment borne by the vacuum pumping joint assembly 510 is small, which is beneficial to improving the stability of the vacuum pumping joint assembly 510.

In other embodiments, the vacuum joint assembly 510 may be disposed away from the side of the door 200 hinged to the cabinet 300, so that the vacuum joint assembly 510 is closer to the user side, which facilitates the user to perform related operations on the vacuum joint assembly 510.

[ vacuum pumping joint Assembly ]

Referring to fig. 4 to 7, the vacuum joint assembly 510 includes an upper cover 511 and a lower cover 512, wherein the upper cover 511 is a flat plate structure, and the lower cover 512 includes a bottom plate 5125 and a peripheral side plate 5126. After the upper cover 511 and the lower cover 512 are fastened and connected, an air flow channel is formed between the two. The vacuum line 520 is connected to the upper cover 511 or the lower cover 512 and communicates with the air flow path.

When the vacuum joint assembly 510 is connected to the vacuum interface 420, specifically, the lower cover 512 is connected to the vacuum interface 420, the air flow channel is communicated with the storage chamber 410, and at this time, the vacuum pump 530 is started, so that the air in the storage chamber 410 can be exhausted from the vacuum pump 530 through the air flow channel and the vacuum pipeline 520.

The vacuum pipe 520 extends from the upper cover 511 or the lower cover 512 to the mounting base 600, and then leads to the vacuum pump 530 after passing through the mounting base 600. The vacuum pipeline 520 is hidden between the upper cover 511 and the lower cover 512 and in the mounting base 600, so as to prevent the vacuum pipeline 520 from being exposed.

The present application provides two embodiments of the vacuum connector assembly 510, the first embodiment is a vacuum line 520 connected to the lower cover 512, and the second embodiment is a vacuum line 520 connected to the upper cover 511, which will be described in detail below.

First, the vacuum line 520 is connected to the lower cover 512, as shown in fig. 4 to 6.

The upper cover 511 is provided with an annular upper cover projection 5111, and the upper cover projection 5111 extends toward the lower cover 512.

The lower cover 512 is correspondingly provided with an annular lower cover protruding part (marked as a lower cover protruding part I5121), and the lower cover protruding part I5121 extends towards the upper cover 511. A lower cover body air inlet 5127 is arranged in an area surrounded by a lower cover body protruding portion I5121 on the lower cover body 512, a first pipe joint 5251 is arranged on the lower cover body protruding portion I5121, and the vacuum pumping pipeline 520 is connected with the first pipe joint 5251.

After the upper cover 511 and the lower cover 512 are fastened, the upper cover protruding portion 5111 is inserted into the inner periphery of the lower cover protruding portion i 5121, and the top end of the lower cover protruding portion i 5121 abuts against the upper cover 511. A cavity is defined by the upper cover body convex part 5111 and the lower cover body convex part I5121, and the lower cover body air inlet 5127 and the first pipe joint 5251 are communicated with the cavity to form an air flow channel. During vacuum pumping, the gas in the storage cavity 410 flows through the lower cover body gas inlet 5127, the cavity surrounded by the upper cover body protruding portion 5111 and the lower cover body protruding portion i 5121, the first pipe joint 5251 and the vacuum pumping pipeline 520 in sequence.

In some embodiments of the present application, a sealing ring 513 is disposed between the top end surface of the lower cover body protruding portion i 5121 and the upper cover body 511, so as to seal the air flow channel and improve the vacuum pumping effect.

In some embodiments of the present application, an annular lower cover body protruding portion ii 5122 is further disposed in an area surrounded by the lower cover body protruding portion i 5121, and the lower cover body protruding portion ii 5122 plays a certain gathering and guiding role for the airflow. The lower cover body protruding part II 5122 can be provided with a vent 51221 so as to facilitate air circulation.

In some embodiments of the present application, the second magnet 5112 is fixed in the area surrounded by the protruding portion 5111 of the upper cover by gluing, etc. to achieve the fixed installation of the second magnet 5112 in the vacuum joint assembly 510. At this time, once the mounting structure of the second magnet 5112 fails, the lower cover protruding portion ii 5122 also has a certain protection effect on the second magnet 5112, so as to prevent the second magnet 5112 from falling to cover the lower cover air inlet 5127, which may affect the vacuum pumping.

In some embodiments of the present application, a plurality of screw mounting posts 51251 are disposed on the bottom plate 5125 of the lower cover, and the screw mounting posts 51251 are symmetrically arranged around the periphery of the protruding portion i 5121 of the lower cover; a plurality of screw mounting counter bores 5114 are correspondingly arranged on the upper cover body 511; screws 514 are arranged between the screw mounting columns 51251 and the screw mounting counter bores 5114 in a penetrating mode, and the upper cover body 511 and the lower cover body 512 are fixedly mounted.

A clamping groove 51261 is formed in the rear end peripheral side plate 5126 of the lower cover body, a clamping hook 5115 is correspondingly arranged at the rear end of the upper cover body 511, the clamping groove 51261 is clamped with the clamping hook 5115, and the connection reliability between the upper cover body 511 and the lower cover body 512 is further improved.

In some embodiments of the present application, a decorative plate 5116, such as an acrylic plate, is disposed on the surface of the upper cover 511, and the decorative plate 5116 covers the screw mounting counter bore 5114 and the screw 514, so as to enhance the aesthetic appearance of the vacuum connector assembly 510.

In some embodiments of the present application, a plurality of third magnets 5113 are further disposed on the upper cover 511, and the plurality of third magnets 5113 are symmetrically disposed on the outer periphery of the second magnet 5112, that is, the plurality of third magnets 5113 are symmetrically disposed around the outer periphery of the upper cover protruding portion 5111. An adsorption effect is generated between the plurality of third magnets 5113 and the second magnet 5112, so that the second magnet 5112 is further positioned, and the stability of the second magnet 5112 is further improved. Correspondingly, the upright post 51252 is arranged on the bottom plate 5125 of the lower cover body, and the upright post 51252 abuts against the third magnet 5113, so that the installation reliability of the third magnet 5113 is improved, and the third magnet 5113 is prevented from falling off.

In some embodiments of the present disclosure, a lower cover body insertion portion 5123 is disposed on the lower cover body 512, a soft rubber portion 5124 is disposed on the lower cover body insertion portion 5123, and the soft rubber portion 5124 is used for being hermetically connected to the vacuum pumping interface portion 420.

Referring to fig. 4, the vacuum interface 420 includes a groove portion 421 disposed on the preservation box 400, a vent 422 is disposed in an area surrounded by the groove portion 421, and a pressure release valve 423 is disposed at the vent 422.

When the vacuum joint assembly 510 is connected to the vacuum port 420 for vacuum pumping, the soft rubber portion 5124 is sealingly engaged with the recessed portion 421, and the air in the storage chamber 410 flows through the air port 422 to the lower cover body air inlet 5127, and then flows through the air flow channel to the vacuum line 520. After the vacuum pumping is completed, the vacuum pumping joint assembly 510 is separated from the vacuum pumping interface part 420, and the vent 422 is blocked by the pressure relief valve 423 to maintain the negative pressure in the storage cavity 410.

In this application, flexible glue portion 5124 has a take the altitude, and when evacuation joint subassembly 510 was connected with evacuation interface part 420, lid 512 and relief valve 423 had the certain distance down between, and this distance provides the space for the upper and lower displacement of relief valve 423, has also formed gaseous cushion chamber 515 simultaneously, plays the cushioning effect to gaseous flow, the gaseous circulation of being convenient for.

In some embodiments of the present application, a concave portion 5128 is formed on the lower cover 512 in an area surrounded by the lower cover insertion portion 5123, the concave portion 5128 is concave toward a direction close to the upper cover 511, and the lower cover air inlet 5127 is disposed at the concave portion 5128. The concave part 5128 plays a gathering and guiding role for gas, and gas circulation is facilitated.

In some embodiments of the present disclosure, an arc-shaped transition portion 5129 is formed between the lower cover body insertion-connection portion 5123 and the outer peripheral surface of the lower cover body 512, and specifically, an arc-shaped transition portion 5129 is formed between the lower cover body insertion-connection portion 5123 and the peripheral side plate 5126 of the lower cover body. The arc-shaped transition portion 5129 prevents the lower cover 512 from being too close to the upper end surface of the fresh food box 400, thereby providing an operating space for the user to displace the vacuum connector assembly 510.

In some embodiments of the present invention, a through hole 51263 is formed in the peripheral side plate 5126 at the rear end of the lower cover, and the vacuum line 520 led out from the first pipe connector 5251 enters the interior of the mounting base 600 through the through hole 51263. The through hole 51263 extends in a vertical direction, and the vacuum connector assembly 510 provides a large moving space for the vacuum line 520 when being displaced.

Second, the vacuum line 520 is connected to the upper cover 511, as shown in fig. 7. The evacuation connection assembly 510 shown in fig. 7 is identical in most respects to the evacuation connection assembly 510 shown in fig. 4, and only the differences therebetween will be described.

The upper cover 511 is provided with an annular upper cover projection 5111, the upper cover projection 5111 extends towards the lower cover 512, the upper cover projection 5111 is provided with a first pipe connector 5251, and the vacuum pipeline 520 is connected with the first pipe connector 5251. The lower cover body 512 is provided with an annular lower cover body protruding part (marked as a lower cover body protruding part I5121), the lower cover body protruding part I5121 extends towards the upper cover body 511, and a lower cover body air inlet 5127 is arranged in the area surrounded by the lower cover body protruding part I5121 on the lower cover body 512. The upper cover body protruding portion 5111 is inserted into the periphery of the lower cover body protruding portion i 5121 and abuts against the lower cover body 512.

A sealing ring 513 is disposed between the lower end of the upper cover body protruding portion 5111 and the lower cover body 512, so as to improve the sealing performance of the air flow channel.

In the evacuation connector assembly 510 shown in fig. 7, the second magnet 5112 is disposed in the area surrounded by the upper cover projection 5111, and at this time, the lower cover projection i 5121 protects the second magnet 5112, so as to prevent the second magnet 5112 from falling off due to failure of the mounting structure and covering the lower cover air inlet 5127, which would affect the evacuation.

[ mounting base ]

Referring to fig. 8 to 15, and with reference to fig. 2 and 3, the mounting base 600 is disposed on the door 200, a portion of the mounting base 600 is exposed to the inner side of the door 200 (i.e., the door inner container 220), and another portion of the mounting base 600 is disposed in the foaming layer of the door 200.

The vacuum-pumping joint assembly 510 is connected with the part of the mounting base 600 exposed out of the door body inner container 220, and the vacuum-pumping joint assembly 510 is equivalent to an external connection mode and is convenient to disassemble and assemble.

A portion of the mounting base 600 is disposed in the foam layer of the door 200, which can improve the mounting reliability of the mounting base 600, and can improve the mounting space for the vacuum-pumping pipeline 520 and the routing of the electrical components related to the vacuum-pumping assembly 500.

In some embodiments of the present application, the mounting base 600 includes a mounting substrate 610 and a mounting cover 620, the mounting substrate 610 is disposed in the foaming layer of the door 200, a cavity 613 is formed in the mounting substrate 610, and the cavity 613 provides a mounting space for the vacuum pumping pipeline 520 and the routing of the electrical components related to the vacuum pumping assembly 500. The cavity 613 is open 614 towards the door inner container 220, the mounting cover plate 620 is disposed at the open 614, the mounting cover plate 620 is exposed, and the vacuum-pumping connector assembly 510 is connected with the mounting cover plate 620.

In some embodiments of the present application, the mounting substrate 610 and the mounting cover plate 620 are split structures, as shown in fig. 8 to 11, a plurality of hook portions 618 are disposed on an inner wall of the cavity 613, a plurality of fastening portions 623 are correspondingly disposed on the mounting cover plate 620, and the mounting substrate 610 and the mounting cover plate 620 are assembled by clamping the plurality of hook portions 618 and the plurality of fastening portions 623 in a one-to-one correspondence.

When a split structure is adopted, when the vacuum pumping pipeline 520 or the electrical component in the cavity 613 needs to be maintained and checked, the mounting cover plate 620 can be detached, so that maintenance is facilitated.

In other embodiments, the mounting substrate 610 is integrally formed with the mounting cover 620, as shown in fig. 12 and 13, which is a unitary structure that facilitates manufacturing.

In some embodiments of the present application, the mounting cover plate 620 is provided with an opening portion 621, the opening portion 621 is communicated with the cavity 613, an extension portion 622 is disposed on the periphery of the opening portion 621, the extension portion 622 extends toward the refrigerating chamber side, the vacuum pumping connector assembly 510 is connected to the extension portion 622, and specifically, the lower cover 512 is connected to the extension portion 622.

In this application, the extending portions 622 are surrounded on the left side, the right side and the lower side of the opening portion 621, the left and right side peripheral walls 5126 of the lower cover 512 are respectively rotatably connected with the extending portions 622 on the left side and the right side, and the opening portion 621 faces the cavity 613, specifically, the lower cavity 6132. The extension 622 on the underside provides a stop for the downward tilt range of the vacuum connector assembly 510.

In some embodiments of the present application, referring to fig. 5 and 8, the left and right sidewalls 5126 of the lower cover 512 are respectively provided with an annular protrusion 51262, the extending portion 622 is correspondingly provided with a circular hole 6221, and the annular protrusion 51262 is rotatably disposed in the circular hole 6221, so as to realize the rotational connection between the lower cover 512 and the extending portion 622, and further realize the turning arrangement of the vacuum pumping joint assembly 510.

A second pipe connector 5252 is provided on the sidewall of the cavity 613, and a vacuum line 520 leading from the vacuum connector assembly 510 (i.e., the first pipe connector 5251) is led to the vacuum pump 530 through the opening 621, the cavity 613 and the second pipe connector 5252.

In some embodiments of the present application, a second pipe fitting 5252 is provided at the side of the cavity 613, as shown in fig. 9.

In other embodiments, a second coupler 5252 is provided at the bottom of the cavity 613, as shown in fig. 13.

In some embodiments of the present application, the mounting substrate 610 includes a first mounting substrate 611 and a second mounting substrate 612 that are integrally formed, a cavity 613 is formed on the first mounting substrate 611, the mounting cover 620 is connected to the first mounting substrate 611, and the second mounting substrate 612 extends toward the side frame 250 of the door body and is connected to the side frame 250 of the door body. During production and processing, the second mounting substrate 612 is connected with the side frame 250 of the door body to realize the pre-positioning of the mounting substrate 610, and then the door body 200 is subjected to foaming molding to avoid the displacement of the mounting substrate 610 in the foaming process of the door body 200.

In some embodiments of the present application, referring to fig. 14 and 15, a side frame 250 of the door body is provided with a limiting portion 251 facing the foaming layer side, the limiting portion 251 is a plate-shaped structure, and the limiting portion 251 is provided with a clamping groove portion 2511; the second mounting substrate 612 is correspondingly provided with a first protruding portion 6121, and the first protruding portion 6121 is clamped in the clamping groove portion 2511, so that the mounting substrate 610 is connected with the door side frame 250.

In this application, the limiting portion 251 is provided with a plurality of reinforcing ribs 2513 extending in the horizontal direction to improve the strength of the limiting portion 251, wherein the slot portion 2511 is formed between some of the reinforcing ribs 2513, and the displacement of the mounting substrate 610 can be limited by the clamping between the slot portion 2511 and the first protrusion 6121.

In some embodiments of the present application, the limiting portion 251 is further provided with a stopping rib 2512, the second mounting substrate 612 is correspondingly provided with a second protruding portion 6122, and the stopping rib 2512 abuts against the second protruding portion 6122 along the horizontal direction, so that the limiting reliability of the mounting substrate 610 is further improved.

In some embodiments of the present application, referring to fig. 9, a plurality of support pillars 616 are disposed on the mounting substrate 610, and the support pillars 616 extend toward the outer sidewall of the door body 200 (i.e., the outer shell 210 of the door body) and abut against the outer sidewall of the door body 200, so as to further improve the mounting stability of the mounting substrate 610 in the foam layer.

In some embodiments of the present application, referring to fig. 10, a partition plate 615 is disposed in the cavity 613, and the partition plate 615 partitions the cavity 613 into two spaces, namely an upper cavity 6131 and a lower cavity 6132, which are disposed up and down.

In this application, the second coupling 5252 is disposed on the sidewall of the lower chamber 6132, and the vacuum line 520 leading from the first coupling 5252 is coupled to the second coupling 5252 via the lower chamber 6132. The upper cavity 6131 is used for routing electrical components of the vacuum pumping assembly 500, a wire outlet 6133 for routing is arranged on the side wall of the upper cavity 6131, the magnetic sensitive switch 800 is located in the upper cavity 6131, and a line electrically connected with the magnetic sensitive switch 800 is led out through the wire outlet 6113.

Through division board 615, make upper chamber 6131 be used for walking the line, lower chamber 6132 is used for walking the pipe, and the spool separation makes inner structure more regular on the one hand, and on the other hand also is convenient for maintain the inspection.

Referring to fig. 12 and 13, the integrated mounting base 600 also has an integrally formed structure of the partition plate 615 and the mounting substrate 610, and the upper cavity 6131 and the lower cavity 6132 arranged up and down are automatically formed in the cavity 613 by a molding process.

When the vacuum joint assembly 510 is flip-top, in some embodiments of the present disclosure, the first magnet 617 is disposed on the mounting substrate 610, specifically the first mounting substrate 611, and the first magnet 617 is located above the mounting cover 620. Thus, when the vacuum adapter 510 is flipped up, the first magnet 617 can be attracted to the second magnet 5112.

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

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A refrigerator, comprising:

a storage chamber;

a door for opening or closing the storage chamber;

it is characterized by also comprising:

the preservation box is internally provided with a storage cavity and is connected with the door body;

the vacuumizing assembly is used for vacuumizing the storage cavity and comprises a vacuum pump, a vacuumizing pipeline and a vacuumizing joint assembly, the vacuum pump and the vacuumizing joint assembly are communicated through the vacuumizing pipeline, and when the vacuumizing joint assembly is connected with the preservation box, the vacuumizing assembly can vacuumize the storage cavity;

the vacuumizing connector assembly is arranged on the door body in a turnover mode, a magnet is arranged on the vacuumizing connector assembly, a magnetic sensitive switch is correspondingly arranged on the door body, and the magnetic sensitive switch is communicated with the vacuum pump and controls the vacuum pump to be started or stopped;

when the vacuumizing joint assembly is turned upwards, the magnet is close to the magnetic sensitive switch and can trigger the magnetic sensitive switch to be turned off;

when the vacuumizing joint component turns downwards, the magnet is far away from the magnetic sensitive switch and can trigger the magnetic sensitive switch to be turned on.

2. The refrigerator according to claim 1,

and in the process of vacuumizing by the vacuumizing assembly, if the vacuumizing joint assembly turns upwards, the magnetic-sensitive switch can be triggered to be turned off, and the vacuum pump stops immediately.

3. The refrigerator according to claim 1 or 2,

be equipped with the installation base on the door body, the installation base includes mounting substrate and installation apron, mounting substrate locates in the foaming layer of the door body, be formed with the cavity in the mounting substrate, the cavity orientation the inboard of the door body is uncovered, the installation apron is located uncovered department, the evacuation joint subassembly is located with overturning on the installation apron, follow the evacuation joint subassembly is drawn forth the evacuation pipeline warp uncovered the cavity extremely the vacuum pump.

4. The refrigerator according to claim 3,

the installation apron orientation one side of cavity is equipped with the magnetic sensitive switch installation department, the magnetic sensitive switch is located in the magnetic sensitive switch installation department.

5. The refrigerator according to claim 4,

a partition plate is arranged in the cavity and divides the cavity into an upper cavity and a lower cavity which are arranged up and down;

the magnetic sensitive switch is positioned in the upper cavity, a wire outlet hole is formed in the side wall of the upper cavity, and a circuit electrically connected with the magnetic sensitive switch is led out through the wire outlet hole;

and a second pipe joint is arranged on the side wall of the lower cavity, and the vacuumizing pipeline led out from the vacuumizing joint assembly passes through the lower cavity to the second pipe joint and then is communicated with the vacuum pump.

6. The refrigerator according to claim 5,

be equipped with the opening on the installation apron, opening department is equipped with the extension, the extension encloses to be established the left side, right side and the downside of opening, the left and right sides of evacuation joint subassembly respectively with be located left side and right side the extension rotates to be connected, the opening is just right cavity down.

7. The refrigerator according to claim 1,

the preservation box is provided with a vacuumizing interface part communicated with the storage cavity;

the vacuumizing connector assembly comprises an upper cover body and a lower cover body, an air flow channel is formed between the upper cover body and the lower cover body, the vacuumizing pipeline is connected with the upper cover body or the lower cover body and is communicated with the air flow channel, and the lower cover body can be connected with the vacuumizing interface part so as to enable the air flow channel to be communicated with the storage cavity;

the magnet is arranged on the upper cover body.

8. The refrigerator according to claim 7,

the upper cover body is provided with a circular upper cover body bulge part, and the upper cover body bulge part extends towards the lower cover body;

the lower cover body is provided with a circular lower cover body protruding part, the lower cover body protruding part extends towards the upper cover body, a lower cover body air inlet is formed in the area, surrounded by the lower cover body protruding part, of the lower cover body, a first pipe joint is arranged on the lower cover body protruding part, and the vacuumizing pipeline is connected with the first pipe joint;

the upper cover body bulge is inserted into the inner periphery of the lower cover body bulge, and the top end of the lower cover body bulge is abutted to the upper cover body.

9. The refrigerator according to claim 8,

go up the lid and be equipped with two magnet installation departments, every all be equipped with magnet on the magnet installation department, follow first coupling is drawn forth the evacuation pipeline is through two clearance between the magnet installation department is drawn forth.