CN111578588B

CN111578588B - Refrigerator with a door

Info

Publication number: CN111578588B
Application number: CN202010381518.XA
Authority: CN
Inventors: 杨春; 刘铁伟; 张建
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: 2021-11-30
Anticipated expiration: 2040-05-08
Also published as: CN111578588A

Abstract

The invention discloses a refrigerator which comprises a refrigerator body, a door body, a preservation box and a vacuumizing assembly. A storage chamber is formed in the box body, and a compressor bin is arranged at the bottom of the box body. The box body is hinged with the door body through a hinge, and the hinge is provided with a hinge shaft hole. The storage cavity is formed in the preservation box, and 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 vacuumizing pipeline is communicated with the vacuum pump and the vacuumizing joint assembly, and when the vacuumizing joint assembly is communicated with the storage cavity, the vacuumizing assembly can vacuumize the storage cavity. The vacuum pump is arranged in the compressor bin, the vacuumizing joint assembly is arranged on the inner side of the door body, and a vacuumizing pipeline led out of the vacuumizing joint assembly sequentially passes through the foaming layer of the door body, the hinge shaft hole and the foaming layer of the box body to reach the vacuum pump. The vacuum pump is placed in the compressor bin, so that the refrigeration space is not additionally occupied. The vacuumizing pipeline is hidden, and the structure is more compact.

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 used for evacuating the preservation box, and includes a vacuum pump, an evacuation pipeline and an evacuation connector assembly, the vacuum pump and the evacuation connector assembly are communicated by the evacuation pipeline, and when the evacuation connector assembly is communicated with the storage cavity of the preservation box, the evacuation assembly can evacuate the storage cavity; the vacuum pump is arranged in the compressor bin, the vacuumizing joint assembly is arranged on the inner side of the door body, and the vacuumizing pipeline led out from the vacuumizing joint assembly sequentially passes through the foaming layer of the door body, the hinge shaft hole of the hinge for connecting the door body and the box body and the foaming layer of the box body to the vacuum pump. The vacuum pump is placed in the compressor bin, so that the refrigeration space is not additionally occupied. The vacuumizing pipeline is hidden, and the structure is more compact.

In some embodiments of the present application, a mounting bracket is provided in the compressor compartment, and the vacuum pump is provided on the mounting bracket.

In some embodiments of the present application, a vibration damping portion is disposed between the mounting bracket and the bottom surface of the compressor compartment.

In some embodiments of the present application, the vacuum line leading from the vacuum connector assembly and the vacuum line leading from the vacuum pump are communicated through a fourth pipe joint at a position near the hinge and outside the box body.

In some embodiments of the present application, a shielding cover is arranged on the box body, and the shielding cover shields the fourth pipe joint.

In some embodiments of the present application, a mounting base is disposed on the door body, the vacuum pumping joint assembly is connected to the mounting base, a first pipe joint is disposed on the vacuum pumping joint assembly, and a second pipe joint is disposed on the mounting base; the vacuum pumping pipeline comprises a first vacuum pumping pipeline section, a second vacuum pumping pipeline section and a third vacuum pumping pipeline section which are sequentially communicated, two ends of the first vacuum pumping pipeline section are respectively connected with the first pipe joint and the second pipe joint, two ends of the second vacuum pumping pipeline section are respectively connected with the second pipe joint and the fourth pipe joint, and two ends of the third vacuum pumping pipeline section are respectively connected with the fourth pipe joint and an air suction port of the vacuum pump.

In some embodiments of this application, be formed with the cavity in the installation base, the one end of second coupling is located in the cavity, with the evacuation pipeline is connected for one section, the other end of second coupling is located in the foaming layer of the door body, with evacuation pipeline two-section connection.

In some embodiments of the present application, the foaming layer of box and the foaming layer of the door body are equallyd divide and are equipped with solid pipe block, be formed with the poling hole on the solid pipe block, evacuation pipeline two-stage section with evacuation pipeline three-stage is worn to locate in the poling hole.

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 joint assembly comprises an upper cover body and a lower cover body, an airflow channel is formed between the upper cover body and the lower cover body, the upper cover body or the lower cover body is provided with the first pipe joint, one end of one section of vacuumizing pipeline is connected with the first pipe joint and communicated with the airflow channel, and the lower cover body can be connected with the vacuumizing interface part so as to enable the airflow channel to be communicated with the storage cavity.

In some embodiments of this application, 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 with the installation apron is connected, follows first coupling is drawn forth one section warp of evacuation pipeline the inner chamber of evacuation joint subassembly uncovered the cavity extremely the second coupling.

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 piping structure of a vacuum line when a vacuum pump according to an embodiment is installed in a compressor compartment;

fig. 17 is an enlarged view of a portion B in fig. 16.

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, 310-a compressor bin, 320-a mounting bracket and 330-a vibration damping part;

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 installation counter bore, 5115-clamping hook, 5116-decorative plate, 512-lower cover body, 5121-lower cover body protrusion I, 5122-lower cover body protrusion II, 51221-vent hole, 5123-lower cover body insertion part, 5124-soft rubber part, 5125-bottom plate, 51251-screw installation 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-gas buffer cavity;

520-a vacuum-pumping pipeline, 522-a second vacuum-pumping pipeline, 523-a third vacuum-pumping pipeline, 5251-a first pipe joint, 5252-a second pipe joint, 5254-a fourth pipe joint and 526-a pipe fixing block;

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;

700-hinge, 710-hinge shaft hole;

900-key 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", "third" and "fourth" 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, features defined as "first", "second", "third", "fourth" may explicitly or implicitly include one or more of the features. 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.

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.

Vacuum pump mounted in compressor cabin

Referring to fig. 16 and 17, a compressor housing 310 for installing a compressor is provided at the bottom of the case 300, and a vacuum pump 530 may be installed in the compressor housing 310, and the vacuum pump 530 is not exposed to the outside and does not occupy an additional refrigerating space.

The cabinet 300 is rotatably connected to the door 200 by a hinge 700 to rotatably open or close the door 200, and the hinge 700 has a hinge shaft hole 710.

The vacuum-pumping pipeline 520 led out from the vacuum-pumping joint assembly 510 sequentially extends to the vacuum pump 530 through the foaming layer of the door body 200, the hinge shaft hole 710 and the foaming layer of the box body 300, and the vacuum-pumping pipeline 520 is hidden, so that the structure is more compact.

In some embodiments of the present disclosure, a mounting bracket 320 is disposed in the compressor compartment 310, and the vacuum pump 530 is disposed on the mounting bracket 320, so that the vacuum pump 530 is fixedly mounted in the compressor compartment 310.

A vibration damping portion 330, such as rubber wool, is disposed between the mounting bracket 320 and the bottom surface of the compressor housing 310 to reduce vibration transmitted to the casing 300 when the vacuum pump 530 operates, thereby reducing vibration noise.

In some embodiments of the present application, the vacuum line 520 leading from the vacuum connector assembly 520 is communicated with the vacuum line 520 leading from the vacuum pump 530 at a position near the hinge 700 and outside the box 300 through a fourth pipe connector 5254, which facilitates the butt-joint installation of the lines.

A shielding cover (not shown) is disposed on the box 300, and the shielding cover shields the fourth pipe joint 5254 to prevent the fourth pipe joint 5254 and the adjacent pipes from being exposed.

In some embodiments, the vacuum line 520 is a three-stage structure, and includes a first vacuum line segment, a second vacuum line segment 522, and a third vacuum line segment 523, which are sequentially connected.

The door body 200 is provided with an installation base 600, and the vacuum-pumping joint assembly 510 is arranged on the installation base 600.

The two ends of one section of the vacuum line are connected to the first pipe connector 5251 and the second pipe connector 5252, respectively, and one section of the vacuum line is located in the inner cavity of the vacuum connector assembly 510 and the cavity 613 of the mounting base.

Both ends of the second evacuation pipe section 522 are connected to the second pipe joint 5252 and the fourth pipe joint 5254, respectively, and most of the second evacuation pipe section 522 is located in the foamed layer of the door body 200.

Two ends of the three segments 523 of the vacuum pipeline are respectively connected with the fourth pipe joint 5254 and the air suction port of the vacuum pump, and most of the three segments 523 of the vacuum pipeline are positioned in the foaming layer of the box body 300.

The three-section structure of the vacuum-pumping pipeline 520 is convenient to install, the two sections 522 of the vacuum-pumping pipeline are pre-embedded in the foaming layer of the door body 200, and one end of the two sections 522 of the vacuum-pumping pipeline is connected with the second pipe joint 5252; embedding three sections 523 of the vacuumizing pipeline in a foaming layer of the box body 300, wherein one end of each three section 523 of the vacuumizing pipeline is connected with an air suction port of a vacuum pump; a vacuum line segment is connected between the first pipe connector 5251 and the second pipe connector 5252; after the door 200 is hinged to the cabinet 300, the other end of the second vacuum-pumping pipe 522 extends out along the hinge axis hole 710 and then is connected to the fourth pipe joint 5254; the other end of the fourth pipe joint 5254 is connected with three sections 523 of the vacuum-pumping pipeline; at this point, the vacuum line 520 is connected.

In the present embodiment, the vacuum line segment 523 led out from the vacuum pump 530 extends upward, the vacuum line segment 522 led out from the second pipe connector 5252 also extends upward, and the vacuum line segment 522 and the vacuum line segment 523 are in butt joint communication at the hinge 700 located at the upper portion of the box body 300. The space at the upper hinge 700 is open, which facilitates the installation operation.

In some embodiments of the application, the foaming layer of the box body 300 and the foaming layer of the door body 200 are respectively provided with a pipe fixing block 526, a through hole is formed in the pipe fixing block 526, and the second vacuumizing pipeline section 522 and the third vacuumizing pipeline section 523 penetrate through the through hole, so that the pre-positioning installation of the second vacuumizing pipeline section 522 in the foaming layer of the door body 200 is realized, and the displacement of the second vacuumizing pipeline section 522 in the foaming forming process of the door body 200 is avoided; the pre-positioning installation of the three vacuum pumping pipeline sections 513 in the foaming layer of the box body 300 is realized, and the displacement of the three vacuum pumping pipeline sections 523 in the foaming forming process of the box body 300 is avoided.

The vacuum pump 530 can be started and stopped by controlling the key switch, referring to fig. 2, the installation base 600 is provided with the key switch 900, the key switch 900 is pressed, the vacuum pump 530 is started, and the vacuumizing assembly 500 starts to vacuumize the storage cavity 410. After the vacuum pumping is completed, the key switch 900 is pressed again, and the vacuum pump 530 stops working.

Vacuum joint assembly

In some embodiments of the present application, the vacuum joint assembly 510 is disposed on the door body 200, specifically on the mounting base 600, and the vacuum 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.

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.

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, and a wire outlet 6133 for routing is disposed on a sidewall of the upper cavity 6131.

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, characterized by comprising:

the compressor comprises a box body, a compressor chamber, a foaming layer and a compressor, wherein a storage chamber is formed in the box body;

the door body is used for opening or closing the storage chamber and is provided with a foaming layer;

the hinge is used for hinging the box body and the door body and is provided with a hinge shaft hole;

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 comprises a vacuum pump, a vacuumizing pipeline and a vacuumizing joint assembly, the vacuumizing pipeline is used for communicating the vacuum pump with the vacuumizing joint assembly, and when the vacuumizing joint assembly is communicated with the storage cavity, the vacuumizing assembly can vacuumize the storage cavity;

the vacuum pump is arranged in the compressor bin, the vacuumizing joint assembly is arranged on the inner side of the door body, and the vacuumizing pipeline led out of the vacuumizing joint assembly sequentially passes through the foaming layer of the door body, the hinge shaft hole and the foaming layer of the box body to reach the vacuum pump;

the door body is provided with an installation base, the vacuumizing joint assembly is connected with the installation base, the vacuumizing joint assembly is provided with a first pipe joint, and the installation base is provided with a second pipe joint;

the vacuumizing pipeline is provided with a vacuumizing pipeline section, two ends of the vacuumizing pipeline section are respectively connected with the first pipe joint and the second pipe joint, and the vacuumizing pipeline section is located in an inner cavity of the vacuumizing joint assembly and a cavity of the mounting base.

2. The refrigerator according to claim 1,

the compressor is characterized in that a mounting bracket is arranged in the compressor bin, and the vacuum pump is arranged on the mounting bracket.

3. The refrigerator according to claim 2,

and a vibration damping part is arranged between the mounting bracket and the bottom surface of the compressor bin.

4. The refrigerator according to claim 1,

the vacuumizing pipeline led out from the vacuumizing joint assembly is communicated with the vacuumizing pipeline led out from the vacuum pump at a position close to the hinge and positioned on the outer side of the box body through a fourth pipe joint.

5. The refrigerator according to claim 4,

and a shielding cover is arranged on the box body and shields the fourth pipe joint.

6. The refrigerator according to claim 4,

the vacuum pumping pipeline comprises a first vacuum pumping pipeline section, a second vacuum pumping pipeline section and a third vacuum pumping pipeline section which are sequentially communicated, two ends of the second vacuum pumping pipeline section are respectively connected with the second pipe joint and the fourth pipe joint, and two ends of the third vacuum pumping pipeline section are respectively connected with the fourth pipe joint and an air suction port of the vacuum pump.

7. The refrigerator according to claim 6,

a cavity is formed in the mounting base, one end of the second pipe joint is located in the cavity and connected with the first section of the vacuumizing pipeline, and the other end of the second pipe joint is located in the foaming layer of the door body and connected with the second section of the vacuumizing pipeline.

8. The refrigerator according to claim 6,

the foaming layer of the box body and the foaming layer of the door body are respectively provided with a pipe fixing block, a pipe penetrating hole is formed in the pipe fixing block, and the second vacuum pumping pipeline section and the third vacuum pumping pipeline section penetrate through the pipe penetrating hole.

9. The refrigerator according to any one of claims 6 to 8,

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

the vacuumizing joint assembly comprises an upper cover body and a lower cover body, an airflow channel is formed between the upper cover body and the lower cover body, the upper cover body or the lower cover body is provided with the first pipe joint, one end of one section of vacuumizing pipeline is connected with the first pipe joint and communicated with the airflow channel, and the lower cover body can be connected with the vacuumizing interface part so as to enable the airflow channel to be communicated with the storage cavity.

10. The refrigerator according to claim 9,

the installation base comprises an installation base plate and an installation cover plate, the installation base plate is arranged in a foaming layer of the door body, a cavity is formed in the installation base plate, the cavity faces towards the inner side of the door body and is open, the installation cover plate is arranged at the open position, the vacuumizing joint assembly is connected with the installation cover plate, and the vacuumizing pipeline is led out from the first pipe joint and is communicated with the inner cavity of the vacuumizing joint assembly through one section of the cavity, which is open, and the cavity is communicated with the second pipe joint.