WO2021223281A1

WO2021223281A1 - Refrigerator

Info

Publication number: WO2021223281A1
Application number: PCT/CN2020/094262
Authority: WO
Inventors: 杨春; 赵振雷; 李涛
Original assignee: 海信（山东）冰箱有限公司
Priority date: 2020-05-08
Filing date: 2020-06-04
Publication date: 2021-11-11
Also published as: EP4148363A1; JP2023517382A; CN111578590A; CN111578590B; JP7433466B2

Abstract

Disclosed in the present invention is a refrigerator, comprising a storage chamber, door bodies, a preservation box and a vacuumizing assembly. A storage cavity is formed in the preservation box, the preservation box is provided with a vacuumizing interface portion, and the preservation box is connected to the door bodies. The vacuumizing assembly comprises a vacuum pump, a vacuumizing pipeline and a vacuumizing joint assembly, and the vacuum pump is in communication with the vacuumizing joint assembly by means of the vacuumizing pipeline. When the vacuumizing joint assembly is connected to the vacuumizing interface portion, the vacuumizing assembly can vacuumize 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 vacuumizing pipeline is connected to the upper cover body or the lower cover body and is in communication with the airflow channel, and the lower cover body can be connected to the vacuumizing interface portion so that the airflow channel is in communication with the storage cavity. The vacuumizing joint assembly is of a vertically detachable structure, facilitating installation of components such as a pipeline.

Description

refrigerator

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office, the application number is 202010381538.7, and the invention name is "Refrigerator" on May 8, 2020, the entire content of which is incorporated into this application by reference.

Technical field

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

Background technique

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

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

Summary of the invention

In some embodiments of the present application, the vacuum assembly is used to vacuum the fresh-keeping box, and includes a vacuum pump, a vacuum pipeline, and a vacuum joint assembly. The vacuum pipeline connects the vacuum pump and the vacuum joint assembly. When the vacuum joint assembly is connected to the vacuum interface, the vacuum assembly can vacuum the storage cavity of the fresh-keeping box; the vacuum joint assembly includes an upper cover and a lower cover, so An air flow channel is formed between the upper cover body and the lower cover body, the vacuum pipeline is connected to the upper cover body or the lower cover body and communicates with the air flow channel, and the lower cover body can It is connected with the vacuum interface part so that the air flow channel communicates with the storage cavity. The vacuum joint assembly is a detachable structure from top to bottom, which is simple in structure and convenient for installation of pipelines and other components.

Description of the drawings

In order to explain the technical solutions of the embodiments of the present invention more clearly, the following will briefly introduce the drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, without creative work, other drawings can be obtained from these drawings.

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

2 is a schematic diagram of the assembly structure of the fresh-keeping box, the vacuum joint assembly and the mounting base according to some embodiments of the present application;

Fig. 3 is a schematic structural diagram of the vacuum joint assembly shown in Fig. 2 after being turned upside down (the preservation box is omitted);

Figure 4 is a cross-sectional view of a vacuum joint assembly according to some embodiments of the present application;

Fig. 5 is a schematic diagram of the structure of the lower cover in the vacuum joint assembly shown in Fig. 4;

6 is a schematic diagram of the structure of the upper cover in the vacuum joint assembly shown in FIG. 4;

Figure 7 is a cross-sectional view of a vacuum joint assembly according to some embodiments of the present application;

FIG. 8 is a schematic structural diagram (split type) of a mounting base according to some embodiments of the present application;

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

10 is a schematic diagram of the structure of the mounting base plate in the mounting base shown in FIG. 8;

Figure 11 is a schematic structural diagram of the mounting cover in the mounting base shown in Figure 8;

Figure 12 is a schematic structural diagram (integrated) of a mounting base according to some embodiments of the present application;

Fig. 13 is a schematic structural view of the mounting base shown in Fig. 12 viewed from the back side;

14 is a schematic diagram of the assembly structure of the mounting base and the side frame of the door body according to some embodiments of the present application;

FIG. 15 is a schematic diagram of a partial structure of a side frame of a door body according to some embodiments of the present application.

Reference signs:

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

200-door body;

210-Door shell;

220-inner liner;

230-upper end cover;

240- lower end cover;

250-side frame, 251-limiting part, 2511-slot part, 2512-stop rib, 2513-reinforcing rib;

260-shelf;

300-box;

400-storage box, 410-storage cavity, 420-vacuum interface, 421-groove, 422-vent, 423-pressure relief valve;

500-evacuated components;

510- vacuum joint assembly, 511- upper cover, 5111-upper cover protrusion, 5112-second magnet, 5113-third magnet, 5114-screw mounting counterbore, 5115-hook, 5116-decorative plate , 512-lower cover, 5121-lower cover protruding part I, 5122-lower cover protruding part II, 51221-vent hole, 5123-lower cover plug-in part, 5124-soft rubber part, 5125-base plate , 51251-screw mounting post, 51252-post, 5126-circumferential side plate, 51261-card slot, 51262-ring boss, 51263-through hole, 5127-lower cover air inlet, 5128-recess, 5129-arc -Shaped transition part, 513-seal ring, 514-screw, 515-gas buffer cavity;

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

530-Vacuum pump;

600-installation base;

610-mounting substrate, 611-first mounting substrate, 612-second mounting substrate, 6121-first protrusion, 6122-second protrusion, 613-cavity, 6131-upper cavity, 6132-lower cavity Body, 6133-outlet hole, 614-open, 615-divider, 616-support column, 617-first magnet, 618-hook part;

620-installation cover, 621-opening, 622-extended part, 6221-round hole, 623-buckle part;

900-Key switch.

Detailed ways

The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without any creative work shall fall within the protection scope of this application.

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

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

In the description of this application, it should be noted that the terms "installation", "connection", and "connection" should be understood in a broad sense, unless otherwise clearly specified and limited. For example, it can be a fixed connection or a detachable connection. Connected or integrally connected; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood under specific circumstances. Fig. 1 is a schematic structural diagram of a refrigerator provided by some embodiments of the present application, and the refrigerator has an approximate rectangular parallelepiped shape. The appearance of the refrigerator is defined by a storage room 100 defining a storage space and a plurality of doors 200 disposed in the storage room 100, wherein the door 200 includes a door housing 210 located outside the storage room 100 and a door located inside the storage room 100 The inner bladder 220, the upper end cover 230, the lower end cover 240, and the foaming layer located between the door shell 210, the door inner bladder 220, the upper end cover 230, and the lower end cover 240.

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

2 is a schematic diagram of the assembly structure of the fresh-keeping box, the vacuum joint assembly and the mounting base according to some embodiments of the present application; FIG. 3 is a schematic structural diagram of the vacuum joint assembly shown in FIG. 2 after being turned upside down (the fresh-keeping box is omitted). 1 to 3, the refrigerator in some embodiments of the present application further includes a fresh-keeping box 400 and a vacuum assembly 500.

A storage cavity 410 is formed in the fresh-keeping box 400, and the fresh-keeping box 400 is detachably connected to the door body 200 (specifically, the door inner liner 220), so that the fresh-keeping box 400 can be removed from the door body 200, and the convenience of the fresh-keeping box 400 is improved. sex.

The fresh-keeping box 400 includes a box body and a lid body. The lid body is provided with a vacuum interface part 420. The vacuum interface part 420 is used to cooperate with the vacuum assembly 500 so as to facilitate the communication between the vacuum assembly 500 and the storage cavity 410 for storage. The object chamber 410 is evacuated.

The vacuum assembly 500 can make the inside of the fresh-keeping box 400 reach a vacuum state. The vacuum state here is not an absolute vacuum state, but is actually a low-pressure state, so as to improve the preservation of the items stored in the fresh-keeping box 400. Exemplarily, the vacuum degree in the fresh-keeping box 400 is 0.6-0.9 mpa.

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

When the storage cavity 410 needs to be evacuated, the vacuum joint assembly 510 is connected with the storage cavity 410, that is, the vacuum joint assembly 510 is connected with the vacuum interface 420. At this time, the vacuum pump 530 is started and the storage cavity 410 The gas can be discharged through the vacuum joint assembly 510, the vacuum pipeline 520 to the vacuum pump 530, and the negative pressure in the storage cavity 410 can be realized.

In some embodiments of the present application, referring to FIG. 1, a shelf 260 is provided on the door inner liner 220, and the fresh-keeping box 400 is directly placed in the shelf 260 to realize the detachability between the fresh-keeping box 400 and the door inner liner 220 connect. When the fresh-keeping box 400 needs to be taken out of the refrigerator, the fresh-keeping box 400 can be taken out of the shelf 260 directly.

The vacuum pump 530 can be installed on the upper end cover 230 of the door body, and the vacuum pipe 520 from the vacuum joint assembly 510 can extend through the foam layer of the door body 200 to the upper end cover 230 and communicate with the vacuum pump 530.

The start and stop of the vacuum pump 530 can be controlled by a key switch. Referring to FIG. 2, a key switch 900 is provided on the mounting base 600, and the key switch 900 communicates with the vacuum pump 530. Press the key switch 900, the vacuum pump 530 is turned on, and the vacuum assembly 500 starts to vacuum the storage chamber 410. After the vacuum is completed, the button switch 900 is pressed again, and the vacuum pump 530 stops working.

Fig. 4 is a cross-sectional view of a vacuum joint assembly according to some embodiments of the present application; Fig. 5 is a structural schematic diagram of a lower cover in the vacuum joint assembly shown in Fig. 4; Fig. 6 is a top cover in the vacuum joint assembly shown in Fig. 4 Figure 7 is a cross-sectional view of a vacuum joint assembly according to some embodiments of the present application. 4 to 7, the vacuum joint assembly 510 includes an upper cover 511 and a lower cover 512, the upper cover 511 is a flat structure, and the lower cover 512 includes a bottom plate 5125 and a peripheral side plate 5126. After the upper cover body 511 and the lower cover body 512 are buckled and connected, an air flow channel is formed between the two. The vacuum pipe 520 is connected to the upper cover 511 or the lower cover 512 and communicates with the air flow channel.

When the vacuum joint assembly 510 is connected with the vacuum interface 420, specifically the lower cover 512 is connected with the vacuum interface 420, and the air flow channel is connected with the storage cavity 410. At this time, the vacuum pump 530 is started, and the vacuum pump 530 is activated. The gas can be discharged through the air flow channel and the vacuum pipe 520 to the vacuum pump 530.

The vacuum pipeline 520 is led from the upper cover body 511 or the lower cover body 512 and then extends to the installation base 600, and then leads to the vacuum pump 530 after the installation base 600. The vacuum pipe 520 is hidden between the upper cover body 511 and the lower cover body 512, and is hidden in the mounting base 600, which can prevent the vacuum pipe 520 from being exposed.

This application provides two embodiments of the vacuum joint assembly 510, the first is that the vacuum pipeline 520 is connected to the lower cover 512, and the second is that the vacuum pipeline 520 is connected to the upper cover 511, which will be described in detail below.

In the first type, the vacuum pipe 520 is connected to the lower cover 512, refer to FIGS. 4-6.

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

The lower cover 512 is correspondingly provided with an annular lower cover protrusion (marked as the lower cover protrusion I 5121), and the lower cover protrusion I 5121 extends toward the upper cover 511. The lower cover body 512 is provided with a lower cover body air inlet 5127 in the area enclosed by the lower cover body protrusion I 5121, and the lower cover body protrusion I 5121 is provided with a first pipe joint 5251, a vacuum pipe 520 and a first pipe Connector 5251 is connected.

After the upper cover body 511 and the lower cover body 512 are buckled together, the upper cover body protrusion 5111 is inserted into the inner periphery of the lower cover body protrusion I 5121, and the top end of the lower cover body protrusion I 5121 abuts against the upper cover body 511 Depend on. A cavity is enclosed by the upper cover protruding part 5111 and the lower cover protruding part I 5121, and the lower cover air inlet 5127 and the first pipe joint 5251 are both connected to the cavity to form an air flow channel. When vacuuming, the gas in the storage chamber 410 flows through the lower cover air inlet 5127, the upper cover protruding part 5111 and the lower cover protruding part I 5121 in sequence, the first pipe joint 5251 to the vacuuming pipe Road 520.

In some embodiments of the present application, a sealing ring 513 is provided between the top surface of the lower cover protruding portion I 5121 and the upper cover 511 to realize the sealing of the air flow channel and improve the vacuuming effect.

In some embodiments of the present application, an annular lower cover protrusion II 5122 is also provided in the area surrounded by the lower cover protrusion I 5121, and the lower cover protrusion II 5122 plays a role of gathering and guiding the airflow to a certain extent. A vent 51221 can be provided on the protruding part II 5122 of the lower cover to facilitate gas circulation.

In some embodiments of the present application, the bottom plate 5125 of the lower cover is provided with a plurality of screw mounting posts 51251, and the plurality of screw mounting posts 51251 are arranged symmetrically around the outer circumference of the lower cover protruding portion I 5121; the upper cover 511 is correspondingly provided A plurality of screw mounting counterbores 5114; a screw 514 is inserted between the screw mounting post 51251 and the screw mounting counterbore 5114 to realize the fixed installation of the upper cover 511 and the lower cover 512.

The rear end peripheral side plate 5126 of the lower cover body is provided with a card slot 51261, and the rear end of the upper cover body 511 is provided with a hook 5115 correspondingly. The reliability of the connection between the bodies 512.

In some embodiments of the present application, the surface of the upper cover 511 is provided with a decorative plate 5116, such as an acrylic plate. The decorative plate 5116 covers the screw mounting counterbore 5114 and the screw 514 to improve the aesthetics of the vacuum joint assembly 510.

In some embodiments of the present application, the lower cover 512 is provided with a lower cover insertion portion 5123, the lower cover insertion portion 5123 is provided with a soft rubber portion 5124, and the soft rubber portion 5124 is used for sealing with the vacuum interface portion 420 connect.

4, the vacuum interface 420 includes a groove 421 provided on the fresh-keeping box 400, a vent 422 is provided in the area surrounded by the groove 421, and a pressure relief valve 423 is provided at the vent 422.

When the vacuum joint assembly 510 is connected to the vacuum interface part 420 for vacuuming, the soft rubber part 5124 is sealed and clamped in the groove part 421, and the gas in the storage cavity 410 flows down the air inlet of the cover body through the vent 422 5127, and then flow to the vacuum pipeline 520 through the air flow channel. After the evacuation is completed, the evacuation joint assembly 510 is separated from the evacuation interface 420, and the pressure relief valve 423 blocks the vent 422 to maintain the negative pressure in the storage cavity 410.

In this application, the soft rubber part 5124 has a certain height. When the vacuum joint assembly 510 is connected to the vacuum interface part 420, there is a certain distance between the lower cover 512 and the pressure relief valve 423, which is the distance of the pressure relief valve 423. The up and down displacement provides space and at the same time forms a gas buffer cavity 515, which buffers the flow of gas and facilitates gas circulation.

In some embodiments of the present application, a recess 5128 is formed on the lower cover 512 in the area enclosed by the lower cover insertion portion 5123, and the recess 5128 is recessed in a direction approaching the upper cover 511, and the lower cover air inlet 5127 is provided in The recess is at 5128. The recess 5128 plays a role of gathering and guiding the gas, facilitating gas circulation.

In some embodiments of the present application, an arc-shaped transition portion 5129 is formed between the lower cover insertion portion 5123 and the outer peripheral surface of the lower cover 512, specifically the lower cover insertion portion 5123 and the peripheral side plate 5126 of the lower cover. An arc-shaped transition part 5129 is formed between. The arc-shaped transition portion 5129 prevents the lower cover 512 from being too close to the upper end surface of the crisper 400, and provides an operating space for the user to perform displacement operations on the vacuum joint assembly 510.

In some embodiments of the present application, the peripheral side plate 5126 at the rear end of the lower cover is provided with a through hole 51263, and the vacuum pipe 520 drawn from the first pipe joint 5251 enters the installation base 600 through the through hole 51263. The through hole 51263 extends in the vertical direction, and when the vacuum joint assembly 510 is displaced, it provides a larger space for the vacuum pipeline 520 to move.

In the second type, the vacuum pipe 520 is connected to the upper cover 511, refer to FIG. 7. Most of the structures of the vacuum joint assembly 510 shown in FIG. 7 and the vacuum joint assembly 510 shown in FIG. 4 are the same, and only the differences between the two are described below.

The upper cover 511 is provided with an annular upper cover protruding portion 5111, the upper cover protruding portion 5111 extends toward the lower cover 512, and the upper cover protruding portion 5111 is provided with a first pipe joint 5251, The vacuum line 520 is connected to the first pipe joint 5251. The lower cover 512 is provided with an annular lower cover protrusion (marked as lower cover protrusion I 5121), the lower cover protrusion I 5121 extends toward the upper cover 511, and the lower cover 512 is on the lower cover The area enclosed by the body protrusion I 5121 is provided with a lower cover body air inlet 5127. The upper cover protruding portion 5111 is inserted into the outer periphery of the lower cover protruding portion I 5121 and abuts against the lower cover 512.

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

In some embodiments of the present application, referring to FIG. 1, the vacuum joint assembly 510 is arranged near the hinged side of the door 200 and the cabinet 300 of the refrigerator, so that when the door 200 is opened and closed, the vacuum joint assembly 510 bears a small torque. It is beneficial to improve the stability of the vacuum joint assembly 510.

In other embodiments, the vacuum joint assembly 510 may also be located far away from the hinged side of the door 200 and the box body 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.

In some embodiments of the present application, continuing to refer to FIGS. 1 to 3, a mounting base 600 is provided on the door body 200, and the vacuum joint assembly 510 is arranged on the mounting base 600 in an inverted manner. When the fresh-keeping box 400 needs to be removed from the door 200, the vacuum joint assembly 510 is turned over to separate from the fresh-keeping box 400, that is, the vacuum joint assembly 510 is separated from the vacuum interface 420.

The installation of the vacuum joint assembly 510 is realized by the installation base 600. On the one hand, it is convenient for the processing of the door body 200. The door body 200 does not need to make too many structural changes, and the door body only needs to make corresponding adaptive structural adjustments according to the structure of the installation base 600 On the other hand, according to the installation method of the vacuum joint assembly 510, only the partial structure of the installation base 600 needs to be adjusted. Considering the above two aspects, installing the vacuum joint assembly 510 by installing the base 600 can greatly reduce the production cost and the research and development cost of the product.

In addition, the installation base 600 provides a certain installation space for the wiring of the vacuum pipeline 520 and the installation of related electrical components used to control the start and stop of the vacuum assembly 500.

In some embodiments of the present application, the structural diagram of the mounting base 600 can refer to FIG. 8, the mounting base 600 is provided with a first magnet 617; the structural diagram of the vacuum joint assembly 510 can refer to FIG. 4, the vacuum joint assembly 510 is correspondingly provided There is a second magnet 5112. When the vacuum joint assembly 510 is turned upside down, the first magnet 617 can be attracted to the second magnet 5112.

When the vacuum joint assembly 510 is not in use, the vacuum joint assembly 510 can be turned upside down, and the vacuum joint assembly 510 can be maintained in the state shown in FIG. 3 through the adsorption between the first magnet 617 and the second magnet 5112. At this time, the vacuum joint assembly 510 is close to the door inner liner 220 to avoid occupying the refrigerating space in the refrigerating room.

In some embodiments of the present application, the second magnet 5112 is fixed in the area surrounded by the upper cover protruding portion 5111 by means of gluing or the like, so as to realize the fixed installation of the second magnet 5112 in the vacuum joint assembly 510. At this time, once the installation structure of the second magnet 5112 fails, the lower cover protruding portion II 5122 also protects the second magnet 5112 to prevent the second magnet 5112 from falling and covering the air inlet 5127 of the lower cover. And affect the progress of the vacuum.

In some embodiments of the present application, the upper cover 511 is further provided with a plurality of third magnets 5113, and the plurality of third magnets 5113 are symmetrically arranged on the outer periphery of the second magnet 5112, that is, the plurality of third magnets 5113 surround the upper cover. The outer circumference of the body protrusion 5111 is symmetrically arranged. The plurality of third magnets 5113 and the second magnet 5112 have an adsorption effect, which further serves as a positioning function for the second magnet 5112 and further improves the stability of the second magnet 5112. Correspondingly, a post 51252 is provided on the bottom plate 5125 of the lower cover, and the post 51252 abuts against the third magnet 5113, which improves the installation reliability of the third magnet 5113 and prevents the third magnet 5113 from falling.

In the vacuum joint assembly 510 shown in FIG. 7, the second magnet 5112 is provided in the area surrounded by the upper cover protruding portion 5111. At this time, the lower cover protruding portion I 5121 protects the second magnet 5112. The installation structure of the second magnet 5112 is prevented from failing and falling, covering the air inlet 5127 of the lower cover body, and affecting the vacuuming.

Fig. 8 is a structural schematic diagram of the mounting base of some embodiments of the application (split type); Fig. 9 is a structural schematic view of the mounting base shown in Fig. 8 viewed from the back side; Fig. 10 is a mounting base plate in the mounting base shown in Fig. 8 Figure 11 is a schematic structural diagram of the mounting cover in the mounting base shown in Figure 8; Figure 12 is a structural schematic diagram of the mounting base according to some embodiments of the application (integrated); Figure 13 is the mounting base shown in Figure 12 Fig. 14 is a schematic diagram of the assembly structure of the mounting base and the side frame of the door body according to some embodiments of the present application; Fig. 15 is a schematic view of the partial structure of the side frame of the door body according to some embodiments of the present application.

For the structural diagram of the installation base 600, refer to Figures 8 to 15, and in conjunction with Figures 2 and 3, the installation base 600 is arranged on the door body 200, and at least part of the installation base 600 is exposed on the inner side of the door body 200 (that is, the inner bladder of the door). 220). The other part is arranged in the foamed layer of the door body 200.

The vacuum joint assembly 510 is connected to the part of the mounting base 600 exposed outside the door inner liner 220. The vacuum joint assembly 510 is equivalent to an external connection, which is convenient for disassembly and assembly.

A part of the installation base 600 is arranged in the foam layer of the door body 200, which can improve the installation reliability of the installation base 600 on the one hand, and on the other hand, improve the installation of the wiring of the vacuum pipeline 520 and the electrical components related to the vacuum assembly 500. space.

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 provided in the foam layer of the door 200. A cavity 613 is formed in the mounting substrate 610. The wiring of the vacuum pipeline 520 and the related electrical components of the vacuum assembly 500 provide installation space. The cavity 613 is an opening 614 facing the inner liner 220 of the door. The mounting cover 620 is provided at the opening 614, the mounting cover 620 is exposed, and the vacuum joint assembly 510 is connected to the mounting cover 620.

In some embodiments of the present application, the mounting base plate 610 and the mounting cover plate 620 have a split structure. As shown in FIGS. 8 to 11, a plurality of hook portions 618 are provided on the inner wall of the cavity 613, and the mounting cover plate 620 corresponds to A plurality of buckle parts 623 are provided, and the mounting substrate 610 and the mounting cover plate 620 are assembled by the one-to-one correspondence between the plurality of hook parts 618 and the plurality of buckle parts 623.

When the split structure is adopted, when maintenance and inspection of the vacuum pipeline 520 or electrical components located in the cavity 613 are required, the mounting cover 620 can be removed for easy maintenance.

In other embodiments, the mounting substrate 610 and the mounting cover 620 are integrally formed, as shown in FIGS. 12 and 13, the integrated structure is convenient for processing.

In some embodiments of the present application, an opening 621 is provided on the mounting cover 620, and the opening 621 is in communication with the cavity 613. An extension 622 is provided on the outer periphery of the opening 621, and the extension 622 extends toward the side of the refrigerating compartment. The assembly 510 is connected to the extension portion 622, specifically the lower cover 512 is connected to the extension portion 622.

In the present application, the extension 622 is arranged on the left, right, and lower sides of the opening 621, and the left and right side peripheral walls 5126 of the lower cover 512 are rotatably connected to the extension 622 on the left and right, respectively. 621 is facing the cavity 613, specifically the lower cavity 6132. The extension 622 located on the lower side plays a role in limiting the downward turning range of the vacuum joint assembly 510.

In some embodiments of the present application, referring to FIGS. 5 and 8, the left and right side walls 5126 of the lower cover 512 are respectively provided with annular bosses 51262, and the extension portion 622 is correspondingly provided with a circular hole 6221, and the annular boss The 51262 is rotatably arranged in the circular hole 6221 to realize the rotary connection between the lower cover 512 and the extension 622, and thereby realize the inverted setting of the vacuum joint assembly 510.

The side wall of the cavity 613 is provided with a second pipe joint 5252, and the vacuum pipe 520 drawn from the vacuum joint assembly 510 (that is, the first pipe joint 5251) passes through the opening 621, the cavity 613 and the second pipe joint 5252 Lead to the vacuum pump 530.

In some embodiments of the present application, the second pipe joint 5252 is provided on the side of the cavity 613, as shown in FIG. 9.

In other embodiments, the second pipe joint 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, and the mounting cover 620 is connected to the first mounting substrate 611, 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, first connect the second mounting substrate 612 with the side frame 250 of the door body to realize the pre-positioning of the mounting substrate 610, and then foam the door body 200 to avoid the mounting substrate 610 during the foaming process of the door body 200 Displacement occurs.

In some embodiments of the present application, referring to FIGS. 14 and 15, the side frame 250 of the door body is provided with a limiting portion 251 facing the foamed layer side. The limiting portion 251 is a plate-shaped structure, and the limiting portion 251 is provided with a card slot The second mounting substrate 612 is correspondingly provided with a first protrusion 6121, and the first protrusion 6121 is clamped in the slot portion 2511 to realize the connection between the mounting substrate 610 and the door side frame 250.

In the present 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, and part of the reinforcing ribs 2513 forms the slot portion 2511 between the ribs 2513 and passes through the slot portion. The clamping connection between the 2511 and the first protrusion 6121 can limit the displacement of the mounting substrate 610.

In some embodiments of the present application, a stop rib 2512 is further provided on the limiting portion 251, and a second protrusion 6122 is correspondingly provided on the second mounting substrate 612. Along the horizontal direction, the stop rib 2512 and the second protrusion 6122 are provided. The 6122 abuts to further improve the reliability of the limit of the mounting substrate 610.

In some embodiments of the present application, referring to FIG. 9, a plurality of support columns 616 are provided on the mounting substrate 610, and the support columns 616 extend toward the outer side wall of the door 200 (that is, the housing 210 of the door) and are connected to the door 200 The outer wall abuts to further improve the installation stability of the mounting substrate 610 in the foam layer.

In some embodiments of the present application, referring to FIG. 10, the cavity 613 is provided with a partition plate 615. The partition plate 615 divides the cavity 613 into two spaces arranged up and down, which are an upper cavity 6131 and a lower cavity 6132, respectively. .

In some embodiments of the present application, the second pipe connector 5252 is provided on the side wall of the lower cavity 6132, and the vacuum pipe 520 drawn from the first pipe connector 5252 is connected to the second pipe connector 5252 through the lower cavity 6132. The upper cavity 6131 is used for wiring the electrical components of the vacuum assembly 500, and the side wall of the upper cavity 6131 is provided with an outlet hole 6133 for wiring.

Through the partition plate 615, the upper cavity 6131 is used for cable routing, and the lower cavity 6132 is used for pipe routing. The pipes are separated. On the one hand, the internal structure is more regular, and on the other hand, it is also convenient for maintenance and inspection.

For the integrated mounting base 600, referring to Figs. 12 and 13, the partition plate 615 and the mounting base plate 610 are also integrally formed, and the cavity 613 is automatically formed into the upper cavity 6131 and the upper cavity 6131 arranged up and down through the molding process. The lower cavity 6132 is sufficient.

When the vacuum joint assembly 510 is a flip type, in some embodiments of the present application, 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. In this way, when the vacuum joint assembly 510 is turned upside down, the first magnet 617 can be attracted to the second magnet 5112.

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

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

Claims

A refrigerator, characterized in that it comprises:

Storeroom

The door is used to open or close the storage room; the fresh-keeping box is formed with a storage cavity, the fresh-keeping box is provided with a vacuum interface, and the fresh-keeping box is connected with the door;

A vacuum assembly includes a vacuum pump, a vacuum pipeline, and a vacuum joint assembly. The vacuum pipeline connects the vacuum pump and the vacuum joint assembly. When the vacuum joint assembly is connected to the vacuum interface When the vacuuming component can vacuumize the storage cavity;

The vacuum joint assembly includes 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, and the vacuum pipeline is connected to the upper cover body or the lower cover body Connected to and communicated with the airflow channel, and the lower cover body can be connected with the vacuum interface part to make the airflow channel communicate with the storage cavity.
The refrigerator according to claim 1, wherein,

The upper cover body is provided with an annular upper cover body protruding part, and the upper cover body protruding part extends toward the lower cover body;

The lower cover is provided with an annular lower cover protruding part, the lower cover protruding part extends toward the upper cover, and the lower cover is on the lower cover protruding part A lower cover air inlet is provided in the enclosed area, a first pipe joint is provided on the protruding portion of the lower cover body, and the vacuum pipeline is connected to the first pipe joint;

The protrusion of the upper cover is inserted into the inner circumference of the protrusion of the lower cover, and the top end of the protrusion of the lower cover abuts against the upper cover.
The refrigerator according to claim 2, wherein,

A sealing ring is arranged between the top end of the protruding part of the lower cover and the upper cover.
The refrigerator according to claim 1, wherein,

The upper cover is provided with an annular upper cover protruding portion, the upper cover protruding portion extends toward the lower cover, and the upper cover protruding portion is provided with a first pipe joint , The vacuum pipeline is connected with the first pipe joint;

The lower cover body is provided with an annular lower cover body protruding part, the lower cover body protruding part extends toward the upper cover body, and the lower cover body is on the lower cover body protruding part The air inlet of the lower cover is provided in the enclosed area;

The protrusion of the upper cover is inserted into the outer circumference of the protrusion of the lower cover and abuts against the lower cover.
The refrigerator according to claim 4, wherein,

A sealing ring is arranged between the bottom end of the protruding part of the upper cover and the lower cover.
The refrigerator according to any one of claims 2 to 5, wherein:

The lower cover body is provided with a lower cover body inserting part, and the lower cover body inserting part is provided with a soft rubber part, and the soft rubber part is used for sealing connection with the vacuum interface part.
The refrigerator according to claim 6, wherein:

A recess is formed on the lower cover in an area surrounded by the lower cover inserting portion, the recess is recessed in a direction approaching the upper cover, and the lower cover air inlet is provided in the At the recess.
The refrigerator according to claim 6, wherein:

An arc-shaped transition portion is formed between the insertion portion of the lower cover body and the outer peripheral surface of the lower cover body.
The refrigerator according to any one of claims 2 to 5, wherein:

A screw mounting post is provided on the lower cover body, a screw mounting counterbore is correspondingly provided on the upper cover body, and screws are inserted between the screw mounting post and the screw mounting counterbore.
The refrigerator according to claim 9, wherein,

A decorative board is provided on the surface of the upper cover, and the decorative board covers the screw mounting counterbore.