JP2024020550A - refrigerator - Google Patents

Abstract

To provide a refrigerator which can maintain the freshness of food for a long period of time, and includes a storage chamber, a door, a freshness holding box and a vacuuming assembly.SOLUTION: An attachment base 600 and a key switch are provided on a door. The attachment base includes an attachment baseboard 610 and an attachment cover 620, a cavity is formed in the attachment baseboard, and a switch trigger plate attachment part is provided at a side toward the cavity of the attachment cover. The key switch includes a switch trigger plate and a button, the switch trigger plate being provided in the switch trigger plate attachment part. An attachment hole is provided at a position facing the switch trigger plate of the attachment cover. The button is movably provided in the attachment hole and the button is movable along the attachment hole so as to make contact with or separate from the switch trigger plate. This enables triggering of a response of the key switch and the safety of vacuuming of a system is improved.SELECTED DRAWING: Figure 2

Description

This application claims priority to the Chinese patent application with application number 202010381516.0 filed with the Chinese Patent Office on May 8, 2020, the entire disclosure content of which is incorporated by reference into this application.

TECHNICAL FIELD The present disclosure relates to the technical field of refrigeration devices, and more particularly to refrigerators equipped with vacuum freshness-keeping devices.

In recent years, people's health consciousness has increased, and the need to maintain the freshness of ingredients has also increased. Refrigerators are home appliances most commonly used to store food, and preserving food freshness is a technical issue that needs to be solved as soon as possible in the refrigerator field.

Currently, various manufacturers are developing various freshness preservation technologies to address the issue of food preservation, including vacuum preservation technology. Under vacuum conditions, the conditions under which food deteriorates change. First, it is difficult for microorganisms and various reactive enzymes to survive in a vacuum environment, and it takes a long time to achieve conditions for microbial growth. Secondly, in the vacuum state, the oxygen in the container is greatly reduced, various chemical reactions cannot be completed, and the food is not oxidized, so the food can maintain its freshness for a long time.

Some embodiments of the present application disclose a refrigerator that includes a storage compartment, a door, a preservation box, and a vacuum assembly. The door body is configured to open and close the storage chamber, and the door body is provided with a mounting base and a key switch. The mounting base includes a mounting board and a mounting cover provided in the foam layer of the door body, a cavity is formed in the mounting board, and a switch trigger plate is mounted on the side of the mounting cover facing the cavity. A section will be established. The key switch includes a switch trigger plate and a button, the switch trigger plate is provided in the switch trigger plate mounting portion, a mounting hole is provided in a position of the mounting cover directly facing the switch trigger plate, and the switch trigger plate is provided in the switch trigger plate mounting portion. is movably disposed within the mounting hole, and the button is movable along the mounting hole so as to contact or separate from the switch trigger plate. A storage cavity is formed inside the fresh food preservation box, and the fresh food preservation box is connected to a door body. The vacuum assembly is configured to apply a vacuum to the storage cavity, and the vacuum assembly includes a vacuum pump, a vacuum takeover assembly, and a vacuum line. The key switch can control starting and stopping of the vacuum pump. The vacuum takeover assembly is installed on the door body, and when the vacuum takeover assembly is connected to the food preservation box, the storage cavity can be evacuated. A pre-vacuum line communicates the vacuum pump and the vacuum takeover assembly.

Hereinafter, in order to more clearly explain the technical solution according to the embodiment of the present disclosure, the drawings used in the explanation of the embodiment will be briefly explained. It is clear that this is just a department. Those skilled in the art can also derive other drawings based on these drawings without any creative effort. Also, the drawings in the following description can be considered as schematic illustrations and do not limit the actual dimensions of the products according to the embodiments of the present disclosure.

It is a figure showing the structure of the refrigerator concerning some examples.

FIG. 3 is an assembly configuration diagram of a freshness preservation box, a vacuum takeover assembly, and a mounting base according to some embodiments.

FIG. 3 is a diagram showing a structure in which the vacuum takeover assembly shown in FIG. 2 is rotated upward (illustration of the freshness preservation box is omitted).

1 is a cross-sectional view of a vacuum takeover assembly according to some embodiments; FIG.

5 is a diagram showing the structure of a lower lid body in the vacuum handover assembly shown in FIG. 4. FIG.

FIG. 5 is a diagram showing the structure of the top cover in the vacuum takeover assembly shown in FIG. 4;

FIG. 3 is a cross-sectional view of another vacuum takeover assembly according to some embodiments.

It is a figure showing the structure (separation type) of a mounting base concerning some examples.

FIG. 9 is a diagram showing the structure of the mounting base shown in FIG. 8 as seen from the back side.

9 is a diagram showing the structure of a mounting board in the mounting base shown in FIG. 8. FIG.

9 is a diagram showing the structure of a mounting cover in the mounting base shown in FIG. 8. FIG.

It is a figure which shows the structure (integrated type) of the mounting base based on some Examples.

FIG. 13 is a diagram showing the structure of the mounting base shown in FIG. 12 viewed from the back side.

It is a figure which shows the assembly structure of the mounting base and the side frame of the door body based on some Examples.

It is a figure which shows the partial structure of the side frame of the door body based on some Examples.

FIG. 2 is a structural schematic diagram of a mounting cover to which a key switch according to some embodiments is attached.

17 is a sectional view of the mounting cover shown in FIG. 16. FIG.

FIG. 17 is an exploded view of the mounting cover shown in FIG. 16;

Hereinafter, with reference to the drawings in the embodiments of the present disclosure, the technical solutions of the embodiments of the present disclosure will be clearly and completely explained. Of course, the embodiments described here are only some of the embodiments of the present disclosure, and not all of the embodiments. All other embodiments that can be easily conceived by those skilled in the art based on the embodiments of the present disclosure without any particular originality shall be within the scope of the present disclosure.

In the description of the embodiments of the present disclosure, "top", "bottom", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" are used. The directions or positional relationships indicated by terms such as , "inside", "outside", etc. are based on the directions or positional relationships shown in the drawings, and are merely for the convenience of explaining the present disclosure or for simplifying the explanation. It should be understood that the references are not intended to indicate or imply that the devices or elements referred to have a particular orientation or need to be constructed or operated in a particular orientation. Therefore, it should not be construed as limiting the present disclosure.

The terms "first" and "second" are used for descriptive purposes only and are understood to indicate or imply relative importance or number of designated technical features. Shouldn't. Therefore, the features defined as "first" and "second" can include one or more such features explicitly or implicitly. In the description of this disclosure, "plurality" means two or more, unless otherwise specified.

In the description of the present disclosure, it should be explained that the terms "attachment," "coupling," and "connection" are to be understood in a broad sense unless there is a particularly clear provision or limitation. For example, it may be a fixed, removable or integral connection, a mechanical or electrical connection, a direct connection, an indirect connection via an intermediate medium, etc. It may be a connection, or it may be communication between two elements. For those skilled in the art, the specific meanings of the above terms in this disclosure can be understood depending on the specific situation.

FIG. 1 is a configuration diagram of a refrigerator according to some embodiments of the present disclosure, and the refrigerator has a substantially rectangular parallelepiped shape. The appearance of the refrigerator is defined by a storage chamber 100 that defines a storage space and a plurality of door bodies 200, a portion of which is provided within the storage chamber 100. Here, the door body 200 includes a door body casing 210 located outside the storage room 100, a door liner 220 located inside the storage room 100, an upper end lid 230, a lower end lid 240, and a door casing 210. and a foam layer located between the door liner 220, the upper end cover 230, and the lower end cover 240.

The storage room 100 has an open storage body 300, and the storage room 100 is partitioned into a lower freezer compartment 110 and an upper refrigerator compartment 120. Each partitioned space may have an independent storage space. Specifically, the freezer compartment 110 is located below the storage compartment 100, and can be selectively opened and closed by a pull-out freezer compartment door. The space above the freezer compartment 110 is partitioned into a left side and a right side to form a refrigerator compartment 120, respectively. The refrigerator compartment 120 can be selectively opened and closed by a refrigerator compartment door body pivotally attached to the refrigerator compartment 120.

FIG. 2 is an assembly configuration diagram of a preservation box, a vacuum takeover assembly, and a mounting base according to some embodiments of the present disclosure. FIG. 3 is a diagram showing a structure in which the vacuum takeover assembly shown in FIG. 2 is rotated upward (the freshness preservation box is not shown). As shown in FIGS. 1-3, the refrigerator in the present disclosure further includes a food preservation box 400 and a vacuum assembly 500.

A storage cavity 410 is formed in the freshness preservation box 400, and the freshness preservation box 400 is removably connected to the door body 200 (specifically, the liner 220 of the door body), so that the freshness preservation box 400 can be easily opened. It is removed from the door body 200 to improve the usability of the freshness preservation box 400.

The fresh food preservation box 400 includes a box body and a lid body, and a vacuum interface part 420 is provided on the lid body. Vacuum interface portion 420 cooperates with vacuum suction assembly 500 to facilitate communication between vacuum suction assembly 500 and storage cavity 410 to facilitate evacuation of storage cavity 410 .

The vacuum assembly 500 can bring the inside of the fresh food storage box 400 into a vacuum state. Here, the vacuum state is not an absolute vacuum state, but actually a low pressure state, which enhances the freshness preservation effect of the articles stored in the freshness preservation box 400. Illustratively, the degree of vacuum within the fresh food preservation box 400 is 0.6-0.9 MPa.

Vacuum assembly 500 includes a vacuum pump, vacuum line 520, and vacuum takeover assembly 510. A vacuum line 520 communicates between the vacuum pump and the vacuum takeover assembly 510, the vacuum takeover assembly 510 is removably connected to the vacuum interface 420 (see FIG. 2), and the vacuum pump is connected throughout the vacuum assembly 500. Provides vacuuming power to the

When the storage cavity 410 needs to be evacuated, the vacuum takeover assembly 510 and the storage cavity 410 are communicated, that is, the vacuum takeover assembly 510 and the vacuum interface part 420 are connected. At this time, when the vacuum pump is activated, the gas in the storage cavity 410 is discharged through the vacuum takeover assembly 510 and the evacuation line 520 to the vacuum pump, thereby creating a negative pressure state in the storage cavity 410.

In some embodiments of the present application, the vacuum pump may be attached to the top lid 230 of the door body, and the vacuum conduit 520 leading from the vacuum takeover assembly 510 is routed through the foam layer of the door body 200 to the top lid 230 of the door body. 230 and communicates with the vacuum pump.

In some embodiments of the present disclosure, the door liner 220 is provided with a shelf 260, as shown in FIG. The freshness preservation box 400 is placed directly on the shelf 260 and is removably connected to the door liner 220. If it is necessary to take out the fresh food preservation box 400 from the refrigerator, the fresh food preservation box 400 can be taken out directly from the shelf 260.

In some embodiments of the present disclosure, as shown in FIG. 1, the vacuum takeover assembly 510 is provided near the side where the door body 200 and the refrigerator body 300 are hinged together. This reduces the torque applied to the vacuum handover assembly 510 when the door body 200 is opened and closed, which is advantageous for increasing the stability of the vacuum handover assembly 510.

In other embodiments, the vacuum takeover assembly 510 may be provided away from the side where the door body 200 and the refrigerator body 300 are hinged together. Thus, the vacuum takeover assembly 510 is closer to the user, facilitating related operations on the vacuum takeover assembly 510 by the user.

Starting and stopping the vacuum assembly 500 is controlled by a key switch 900 (see FIG. 2).

FIG. 16 is a structural schematic diagram of a mounting cover to which a key switch according to some embodiments is attached. FIG. 17 is a sectional view of the mounting cover shown in FIG. 16. FIG. 18 is an exploded view of the mounting cover shown in FIG. 16. As shown in FIGS. 16-18, the vacuum takeover assembly 510 is mounted on the liner 220 of the door body, and the door body 200 is provided with a key switch 900. The key switch 900 controls starting and stopping of the vacuum pump by communicating with the vacuum pump.

If the key switch 900 is pressed while the vacuum assembly 500 is drawing a vacuum, the vacuum pump will immediately stop. This improves the safety of vacuuming the system.

FIG. 4 is a cross-sectional view of a vacuum takeover assembly according to some embodiments. FIG. 5 is a diagram showing the structure of the lower lid body in the vacuum takeover assembly shown in FIG. 4. FIG. 6 is a diagram showing the structure of the top cover in the vacuum takeover assembly shown in FIG. 4. FIG. 7 is a cross-sectional view of another vacuum takeover assembly according to some embodiments. As shown in FIGS. 4 to 7, the vacuum takeover assembly 510 includes an upper lid body 511 and a lower lid body 512, the upper lid body 511 has a flat structure, and the lower lid body 512 has a bottom plate 5125 and a peripheral side plate 5126. include. When the upper lid body 511 and the lower lid body 512 are engaged and connected, an airflow passage is formed between them. The evacuation line 520 is connected to the upper lid 511 or the lower lid 512 and communicates with the airflow passage.

When the vacuum takeover assembly 510 is connected to the vacuum interface section 420, specifically when the bottom lid body 512 is connected to the vacuum interface section 420 and the airflow passage communicates with the storage cavity 410, the vacuum pump is activated. Upon activation, the gas within the storage cavity 410 is evacuated via the airflow passageway, evacuation line 520 to the vacuum pump.

The evacuation conduit 520 is drawn out from the upper lid 511 or the lower lid 512, extends to the mounting base 600, and is led to the vacuum pump via the mounting base 600. The evacuation conduit 520 is hidden between the upper lid body 511 and the lower lid body 512 and hidden within the mounting base 600 so as not to be exposed.

Illustratively, the present disclosure provides two embodiments of the vacuum takeover assembly 510, one in which the vacuum line 520 is connected to the lower lid body 512, and the other in which the vacuum line 520 is connected to the lower lid body 512. The channel 520 is connected to the upper lid body 511. This will be explained in detail below.

In one embodiment, the evacuation line 520 is connected to the lower lid 512, as shown in FIGS. 4-6.

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

The lower lid 512 is provided with a corresponding annular lower lid protrusion (denoted as a lower lid protrusion I 5121), and the lower lid protrusion I 5121 extends toward the upper lid 511. The lower lid body 512 is provided with a lower lid intake port 5127 in an area surrounded by the lower lid protrusion I 5121, and the lower lid protrusion I 5121 is provided with a first pipe joint 5251, which connects the evacuation pipe. Channel 520 is connected to first fitting 5251 .

After the upper lid body 511 and the lower lid body 512 are engaged, the upper lid protrusion 5111 is inserted into the inner circumference of the lower lid protrusion I 5121, and the tip of the lower lid protrusion I 5121 is inserted into the upper lid 511. come into contact with A cavity is formed surrounded by the upper lid protrusion 5111 and the lower lid protrusion I 5121, and the lower lid intake port 5127 and the first pipe joint 5251 both communicate with the cavity to form an airflow passage. During evacuation, the gas in the storage cavity 410 flows in the following order: the lower lid inlet 5127, the cavity surrounded by the upper lid protrusion 5111 and the lower lid protrusion I 5121, and the first pipe joint 5251. and reaches the evacuation conduit 520.

In some embodiments of the present disclosure, a seal ring 513 is provided between the distal end surface of the lower lid protrusion I 5121 and the upper lid 511, thereby realizing sealing of the airflow passage and achieving a vacuum drawing effect. can also be enhanced.

In some embodiments of the present disclosure, an annular lower lid protrusion II 5122 is further provided in the area surrounded by the lower lid protrusion I 5121, and the lower lid protrusion II 5122 is configured to prevent air flow. and serves as a certain convergence guide. In order to facilitate gas flow, a vent hole 51221 is provided in the lower lid protrusion II 5122.

In some embodiments of the present disclosure, as shown in FIGS. 4 and 8, the mounting base 600 is provided with a first magnet 617 and the vacuum takeover assembly 510 is provided with a corresponding second magnet 5122. . When the vacuum takeover assembly 510 is rotated upward, the first magnet 617 can be attracted to the second magnet 5112. The second magnet 5112 is fixed with an adhesive or the like within the area surrounded by the top cover protrusion 5111, thereby achieving fixed attachment of the second magnet 5112 within the vacuum takeover assembly 510. Furthermore, even if the mounting structure of the second magnet 5112 fails, the lower lid protrusion II 5122 can exert a certain protective effect on the second magnet 5122, preventing the second magnet 5112 from falling. cover the lower lid inlet 5127 to avoid affecting the evacuation process.

In some embodiments of the present disclosure, a plurality of screw mounting posts 51251 are provided on the bottom plate 5125 of the lower lid, and the plurality of screw mounting posts 51251 are arranged symmetrically around the outer periphery of the lower lid protrusion I 5121. Ru. The upper lid body 511 is provided with a plurality of corresponding screw mounting counterbore holes 5114. The screw 514 passes through the mounting counterbore hole 5114 and is inserted into the screw mounting column 51251, thereby achieving fixed mounting between the upper lid body 511 and the lower lid body 512.

An engagement groove 51261 is provided at the rear end of the peripheral side plate 5126 of the lower lid body, an engagement claw 5115 is provided correspondingly at the rear end of the upper lid body 511, and the engagement groove 51261 engages with the engagement claw 5115. This further improves the connection reliability between the upper lid body 511 and the lower lid body 512.

In some embodiments of the present disclosure, a decorative plate 5116 such as an acrylic plate is provided on the surface of the upper lid body 511 (see FIG. 4), and the decorative plate 5116 covers the screw mounting counterbore hole 5114 and the screw 514. This improves the appearance of the vacuum takeover assembly 510.

In some embodiments of the present disclosure, the upper lid body 511 is further provided with a plurality of third magnets 5113 (see FIG. 6), and the plurality of third magnets 5113 are provided symmetrically around the outer periphery of the second magnet 5112. That is, the plurality of third magnets 5113 are arranged symmetrically surrounding the outer periphery of the upper lid protrusion 5111. An adsorption effect occurs between the plurality of third magnets 5113 and the second magnets 5112, further positioning the second magnets 5112, and further increasing the stability of the second magnets 5112. Correspondingly, a plurality of columns 51252 are provided on the bottom plate 5125 of the lower lid body, and each column 51252 abuts on a respective one of the third magnets 5113, thereby increasing the attachment reliability of the third magnets 5113. Therefore, the third magnet 5113 can be prevented from falling.

In some embodiments of the present disclosure, the lower lid body 512 is provided with a lower lid body insertion part 5123 (see FIG. 4), and the lower lid body insertion part 5123 is provided with a soft rubber part 5124, and the lower lid body insertion part 5123 is provided with a soft rubber part 5124. The rubber part 5124 is used for sealingly connecting the lower lid insertion part 5123 and the vacuum interface part 420.

As shown in FIG. 4, the vacuum interface part 420 includes a groove part 421 provided in the fresh food preservation box 400. A vent 422 is provided in the area surrounded by the groove 421, and a relief valve 423 is provided in the vent 422.

When the vacuum takeover assembly 510 is connected to the evacuation interface part 420 to perform evacuation, the soft rubber part 5124 is sealingly engaged in the recessed groove part 421, and the gas in the storage cavity 410 passes through the vent hole 422 to the bottom lid. It flows to the body intake port 5127 and further flows to the evacuation conduit 520 via the airflow passage. After the evacuation is completed, the vacuum takeover assembly 510 and the evacuation interface section 420 are separated, the vent 422 is closed by the relief valve 423, and the negative pressure state within the storage cavity 410 is maintained.

In the present disclosure, the soft rubber portion 5124 has a predetermined height, and when the vacuum takeover assembly 510 is connected to the vacuum drawing interface portion 420, there is a predetermined height between the lower lid body 512 and the relief valve 423. There is a distance. This distance provides space for the vertical displacement of the relief valve 423 and further forms a gas buffer chamber 515, thereby providing a buffering effect on the gas flow and facilitating gas flow.

In some embodiments of the present disclosure, a recess 5128 is formed in the lower lid 512 in a region surrounded by the lower lid insertion part 5123, and the recess 5128 is recessed in a direction approaching the upper lid 511. , the lower lid intake port 5127 is provided in the recess 5128. The recess 5128 serves as a convergence guide for the gas and facilitates gas flow.

In some embodiments of the present disclosure, an arcuate transition part 5129 is formed between the lower lid insertion part 5123 and the outer circumferential surface of the lower lid 512 (see FIG. 4), specifically, the lower lid An arcuate transition part 5129 is formed between the body insertion part 5123 and the peripheral side plate 5126 of the lower lid body. The arcuate transition portion 5129 prevents the lower lid body 512 from coming too close to the upper end surface of the food preservation box 400 and provides an operating space for the user to perform a displacement operation on the vacuum takeover assembly 510. .

In some embodiments of the present disclosure, a through hole 51263 is provided at the rear end of the peripheral side plate 5126 of the lower lid body (see FIG. 5), and the vacuum line 520 pulled out from the first pipe joint 5251 is provided through the through hole. It enters the inside of the mounting base 600 via 51263. The through hole 51263 extends in the vertical direction, and the through hole 51263 provides a large working space for the vacuum line 520 when the vacuum takeover assembly 510 moves.

In another embodiment, as shown in FIG. 7, a vacuum conduit 520 is connected to the top cover 511. Most of the structures of the vacuum takeover assembly 510 shown in FIG. 7 and the vacuum takeover assembly 510 shown in FIG. 4 are the same, and only the differences between the two will be described below.

The upper lid protrusion 511 is provided with an annular upper lid protrusion 5111, the upper lid protrusion 5111 extends toward the lower lid 512, the upper lid protrusion 5111 is provided with a first pipe joint 5251, and the upper lid protrusion 5111 is provided with a first pipe joint 5251. The pull line 520 is connected to a first pipe joint 5251. The lower lid body 512 is provided with an annular lower lid protrusion (denoted as a lower lid protrusion I 5121). A lower lid intake port 5127 is provided in a region surrounded by the lower lid protrusion I 5121. The upper lid protrusion 5111 is fitted around the outer periphery of the lower lid protrusion I 5121 and comes into contact with the lower lid 512.

A seal ring 513 is provided between the lower end of the upper lid protrusion 5111 and the lower lid 512 in order to improve the airtightness of the airflow passage.

In the vacuum takeover assembly 510 shown in FIG. This prevents the second magnet 5112 from falling due to a defect in the mounting structure and covering the lower lid intake port 5127 and affecting the evacuation process.

In some embodiments of the present application, as shown in FIGS. 1-3, a mounting base 600 is provided on the door body 200 and a vacuum takeover assembly 510 is provided on the mounting base 600.

By realizing the installation of the vacuum takeover assembly 510 through the installation base 600, on the one hand, the processing of the door body 200 is facilitated, and the door body 200 does not need to undergo excessive structural changes, and can be adjusted according to the structure of the installation base 600. It is only necessary to adaptively adjust the structure of the door body. On the other hand, depending on how the vacuum takeover assembly 510 is installed, only the local structure of the mounting base 600 needs to be adjusted. From the above two points of view, mounting the vacuum takeover assembly 510 through the mounting base 600 can significantly reduce product manufacturing costs and research and development costs.

Additionally, the mounting base 600 provides a certain space for mounting the wiring of the evacuation conduit 520 and related electrical components for controlling the activation/stopping of the evacuation assembly 500.

The structure of the mounting base 600 can be seen in FIGS. 8 to 15. Furthermore, as shown in FIGS. 2 and 3, the mounting base 600 is provided on the door body 200, and at least a portion thereof is exposed from the inside of the door body 200 (i.e., the liner 220 of the door body), and the other portion is attached to the door body 200. 200 foam layers.

The vacuum takeover assembly 510 is connected to the part of the mounting base 600 exposed from the door liner 220, which corresponds to an external connection method and is convenient for removal and installation.

By providing a portion of the mounting base 600 within the foam layer of the door body 200, on the one hand, the mounting reliability of the mounting base 600 can be increased, and on the other hand, it is possible to improve the mounting reliability of the mounting base 600, and on the other hand, it is possible to improve the mounting reliability of the mounting base 600. A mounting space can be provided for the wiring of related electrical components.

In some embodiments of the present disclosure, the mounting base 600 includes a mounting substrate 610 and a mounting cover 620, the mounting substrate 610 is provided within the foam layer of the door body 200, and a cavity 613 is formed within the mounting substrate 610. , the cavity 613 provides a mounting space for the vacuum line 520 and the wiring of electrical components associated with the vacuum assembly 500. The cavity 613 includes an opening 614 on the side of the door body facing the liner 220 , and a mounting cover 620 is provided at the opening 614 to be exposed and connect with the vacuum takeover assembly 510 .

In some embodiments of the present disclosure, mounting substrate 610 and mounting cover 620 are separate structures. As shown in FIGS. 8 to 11, a plurality of engagement claws 618 are provided on the inner wall of the cavity 613, and a plurality of locking parts 623 are correspondingly provided on the mounting cover 620. The attachment of the mounting board 610 and the mounting cover 620 is realized by one-to-one engagement between the claw portions 618 and the plurality of locking tool portions 623.

When the mounting board 610 and the mounting cover 620 adopt a separable structure, when it is necessary to repair or inspect the evacuation conduit 520 or electrical components located in the cavity 613, the mounting cover 620 can be removed, making the repair easier. It can be done.

In another embodiment, mounting substrate 610 is integrally molded with mounting cover 620. The unitary structure facilitates processing, as shown in FIGS. 12 and 13.

In some embodiments of the present disclosure, mounting cover 620 is provided with an opening 621 (see FIG. 11). The opening 621 communicates with the cavity 613, and an extension 622 is provided on the outer periphery. The extension portion 622 extends toward the refrigerator compartment and connects to the vacuum takeover assembly 510, and specifically connects to the lower lid body 512.

In the present disclosure, the extending portion 622 is provided to surround the left, right, and lower sides of the opening 621, and the peripheral side plates 5126 on both left and right sides of the lower lid body 512 are rotatable with respect to the left and right sides of the extending portion 622, respectively. Connect to. The opening 621 directly faces the cavity 613, specifically, the lower cavity 6132. The lower extension 622 acts as a limit to the downward rotation range of the vacuum takeover assembly 510.

FIG. 8 is a diagram showing the structure (separate type) of a mounting base according to some embodiments of the present disclosure. As shown in FIGS. 5 and 8, the two left and right peripheral side plates 5126 of the lower lid body 512 are each provided with an annular boss 51262, and the extending portion 622 is provided with a corresponding round hole 6221. 5126 is rotatably disposed within the round hole 6221, thereby realizing a rotatable connection between the lower lid body 512 and the extension portion 622, and further rotatably installing the vacuum takeover assembly 510. Realize.

A second pipe joint 5252 is provided on the side wall of the cavity 613. The vacuum line 520 led out of the vacuum takeover assembly 510 (ie, the first fitting 5251) is connected to the vacuum pump via the opening 621, the cavity 613, and the second fitting 5252.

In some embodiments of the present disclosure, the second fitting 5252 is provided on the side of the cavity 613, as shown in FIG.

In another embodiment, the second fitting 5252 is provided at the bottom of the cavity 613, as shown in FIG.

In some embodiments of the present disclosure, mounting board 610 includes a first mounting board 611 and a second mounting board 612 that are integrally molded. A cavity 613 is formed in the first mounting board 611, a mounting cover 620 is connected to the first mounting board 611, and a second mounting board 612 extends toward the side frame 250 of the door body. Connect to. During manufacturing, the second mounting board 612 is first connected to the side frame 250 of the door body to achieve pre-positioning of the mounting board 610, and then the door body 200 is foam-molded, whereby the mounting board 610 is attached to the door body. 200 to avoid displacement during the foaming process.

FIG. 14 is a diagram showing an assembly structure of a mounting base and a side frame of a door body according to some embodiments of the present disclosure. FIG. 15 is a diagram showing a partial structure of a side frame of a door body according to some embodiments of the present disclosure. As shown in FIGS. 14 and 15, a stopper portion 251 is provided on the side of the side frame 250 of the door body facing the foam layer. The stopper part 251 has a plate-like structure, and a locking groove part 2511 is provided in the stopper part 251. A first protrusion 6121 is provided correspondingly to the second mounting board 612 (see FIG. 9), and the first protrusion 6121 is locked in the locking groove 2511, thereby allowing the mounting board 610 and the door body to Connection with the side frame 250 is realized.

In the present disclosure, in order to improve the strength of the stopper part 251, the stopper part 251 is provided with a plurality of reinforcing ribs 2513 extending in the horizontal direction. The locking groove 2511 is formed between some of the reinforcing ribs 2513, and the displacement of the mounting board 610 can be restricted by locking the locking groove 2511 and the first protrusion 6121.

In some embodiments of the present disclosure, the stopper part 251 is further provided with a stop rib 2512, and the second mounting board 612 is correspondingly provided with a second protrusion 6122. The stop rib 2512 abuts the second protrusion 6122 along the horizontal direction, further increasing the reliability of the restriction on the mounting board 610.

FIG. 9 is a diagram showing the structure of the mounting base shown in FIG. 8 viewed from the back side. As shown in FIG. 9, the mounting board 610 is provided with a plurality of columns 616, and the columns 616 extend toward the outer wall of the door body 200 (i.e., the casing 210 of the door body), and extend toward the outer side of the door body 200. The mounting board 610 contacts the wall and further increases the mounting stability of the mounting board 610 within the foam layer.

FIG. 10 is a diagram showing the structure of the mounting board in the mounting base shown in FIG. 8. As shown in FIG. 10, a partition plate 615 is provided in the cavity 613, and the partition plate 615 divides the cavity 613 into two upper and lower spaces, which are an upper cavity 6131 and a lower cavity 6132, respectively.

In the present disclosure, the second pipe joint 5252 is provided on the side wall of the lower cavity 6132, and the evacuation line 520 drawn out from the first pipe joint 5252 is connected to the second pipe joint 5252 via the lower cavity 6132. The upper cavity 6131 is used for wiring electrical components of the vacuum assembly 500, and a wiring hole 6133 for wiring is provided in the side wall of the upper cavity 6131.

Due to the partition plate 615, the upper cavity 6131 is used for wiring, and the lower cavity 6132 is used for piping. By separating the wiring and piping, the internal structure becomes more orderly and repairs and inspections become easier.

FIG. 12 is a diagram showing the structure (integrated type) of the mounting base according to some embodiments of the present disclosure. FIG. 13 is a diagram showing the structure of the mounting base shown in FIG. 12 viewed from the back side. Regarding the integrated mounting base 600, as shown in FIGS. 12 and 13, the partition plate 615 and the mounting board 610 are also integrally molded, and the upper cavity is arranged vertically within the cavity 613 through the molding process. 6131 and the lower cavity 6132 may be automatically formed.

In some embodiments of the present disclosure, as shown in FIGS. 16-18, a key switch 900 includes a switch trigger plate 910 and a button 920. A switch trigger plate mounting portion 625 is provided on the side of the mounting cover 620 facing the cavity 613, and the switch trigger plate 910 is provided within the switch trigger plate mounting portion 625. The switch trigger plate mounting portion is provided with a plurality of claw structures, and the switch trigger plate 910 is limited within an area surrounded by the plurality of claw structures. A mounting hole 624 is provided in the mounting cover 620 at a position directly facing the switch trigger plate 910, and the button 920 is provided movably within the mounting hole 624. The button 920 is movable along the mounting hole 624 into contact with or away from the switch trigger plate 910, thereby triggering a response of the key switch 900.

The switch trigger plate 910 is located in the upper cavity 613, and a wiring hole 6133 is provided in the side wall of the upper cavity 613 (see FIGS. 10 and 12), and the line electrically connected to the switch trigger plate 910 is formed in the wiring hole. 6133.

In the above descriptions of the embodiments, the specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples.

Although the above are only specific embodiments of the present disclosure, the protection scope of the present disclosure is not limited thereto, and any changes or replacements that can be easily conceived by a person skilled in the art within the technical scope of the present disclosure are not limited thereto. shall be included within the protection scope of this disclosure. Therefore, the protection scope of the present disclosure shall be governed by the scope stated in the claims.

100-Storage room, 110-Freezing room, 120-Refrigerating room 200-Door body 210-Door body casing 220-Door body liner 230-Upper end cover 240-Lower end cover 250-Side frame, 251-Stopper part, 2511- Locking groove section, 2512-stopping rib, 2513-reinforcement rib 260-shelf 300-warehouse 400-fresh preservation box, 410-storage cavity, 420-vacuum interface section, 421-concave groove section, 422-ventilation port, 423-relief Valve 500 - Vacuum pull assembly 510 - Vacuum takeover assembly, 511 - Top cover body, 5111 - Top cover protrusion, 5112 - Second magnet, 5113 - Third magnet, 5114 - Screw mounting counterbore, 5115 - Engagement claw , 5116-Palmet plate, 512-Lower lid body, 5121-Lower lid protrusion I, 5122-Lower lid protrusion II, 51221-Vent hole, 5123-Lower lid insertion part, 5124-Soft rubber part, 5125-bottom plate, 51251-screw mounting column, 51252-column, 5126-peripheral side plate, 51261-engaging groove, 51262-annular boss, 51263-through hole, 5127-lower lid intake port, 5128-recess, 5129-circle Arc-shaped transition part, 513-Seal ring, 514-Screw, 515-Gas buffer case 520-Evacuation line, 5251-First pipe fitting, 5252-Second pipe fitting 600-Mounting base 610-Mounting board, 611-No. 1 Mounting board, 612-Second mounting board, 6121-First protrusion, 6122-Second protrusion, 613-Cavity, 6131-Upper cavity, 6132-Lower cavity, 6133-Wiring hole, 614-Opening port, 615 - Partition plate, 616 - Post, 617 - First magnet, 618 - Engaging claw part 620 - Mounting cover, 621 - Opening part, 622 - Extension part, 6221 - Round hole, 623 - Locking part, 624 - Mounting hole, 625-Switch trigger plate mounting part 900-Key switch, 910-Switch trigger plate, 920-Button

Claims (13)

A refrigerator, the refrigerator including a storage compartment, a door body, a preservation box, and a vacuum assembly,
The door body is configured to open and close the storage chamber, and the door body includes:
The mounting base includes a mounting board and a mounting cover provided in the foam layer of the door body, a cavity is formed in the mounting board, and a switch trigger plate is provided on the side of the mounting cover facing the cavity. a mounting base provided with a mounting part;
The key switch includes a switch trigger plate and a button, the switch trigger plate is provided in the switch trigger plate mounting portion, a mounting hole is provided in a position directly facing the switch trigger plate of the mounting cover, and the a key switch is provided, the button being movable within the mounting hole, and the button being movable along the mounting hole such that the button contacts or separates from the switch trigger plate;
A storage cavity is formed inside the fresh food preservation box, and the fresh food storage box is connected to a door body;
The vacuum assembly is configured to apply a vacuum to the storage cavity, the vacuum assembly comprising:
a vacuum pump, the key switch being able to control starting and stopping of the vacuum pump;
a vacuum takeover assembly provided on the door body, the vacuum takeover assembly being capable of drawing a vacuum to the storage cavity when the vacuum takeover assembly is connected to the food preservation box;
A refrigerator comprising: a vacuum line communicating the vacuum pump and the vacuum transfer assembly. A partition plate is provided in the cavity, and the partition plate partitions the cavity into an upper cavity and a lower cavity arranged above and below,
The switch trigger plate is located in the upper cavity, a wiring hole is provided in a side wall of the upper cavity, and a line electrically connected to the switch trigger plate is drawn out through the wiring hole,
A second pipe joint is provided on a side wall of the lower cavity, and the vacuum line drawn out from the vacuum takeover assembly passes through the lower cavity, reaches the second pipe joint, and further communicates with the vacuum pump. The refrigerator according to claim 1, characterized in that: The mounting cover is provided with an opening, the opening is provided with an extension, and the extension is provided to surround the left, right and lower sides of the opening, and the vacuum takeover assembly is provided with an extension. The refrigerator according to claim 2, wherein the left and right sides of the extension part are rotatably connected to the left and right sides of the extension part, respectively, and the opening part directly faces the lower cavity. The freshness preservation box is provided with a vacuum interface communicating with the storage cavity;
The vacuum takeover assembly includes an upper lid body and a lower lid body, an airflow passage is formed between the upper lid body and the lower lid body, and the vacuum line is connected to the upper lid body or the lower lid body. and is in communication with the air flow passage, and the lower lid body is connected to the vacuum interface part so as to communicate the air flow passage and the storage cavity. Refrigerator as described in. The upper lid is provided with an annular upper lid protrusion, the upper lid protrusion extends toward the lower lid,
The lower lid is provided with an annular lower lid protrusion, the lower lid protrusion extends toward the upper lid, and the lower lid has an area surrounded by the lower lid protrusion. is provided with a lower lid inlet, a first pipe joint is provided on the lower lid protrusion, and the evacuation conduit is connected to the first pipe joint,
The refrigerator according to claim 4, wherein the upper lid protrusion is inserted into an inner periphery of the lower lid protrusion, and a tip of the lower lid protrusion comes into contact with the upper lid. . 6. The refrigerator according to claim 5, wherein a seal ring is provided between the tip of the lower lid protrusion and the upper lid. The upper lid protrusion is provided with an annular upper lid protrusion, the upper lid protrusion extends toward the lower lid, the upper lid protrusion is provided with a first pipe joint, and the evacuation pipe is connected to the evacuation tube. a pipe is connected to the first pipe fitting;
The lower lid is provided with an annular lower lid protrusion, the lower lid protrusion extends toward the upper lid, and the lower lid has an area surrounded by the lower lid protrusion. A lower lid intake port is provided on the
The upper lid protrusion is fitted around the outer periphery of the lower lid protrusion and abuts the lower lid.
The refrigerator according to claim 4, characterized in that: The refrigerator according to claim 4, wherein a seal ring is provided between the bottom end of the upper lid protrusion and the lower lid. The lower lid body is provided with a lower lid body insertion part, and the lower lid body insertion part includes a rubber configured to connect the lower lid body insertion part and the vacuum interface part in a sealed manner. The refrigerator according to any one of claims 4 to 8, further comprising a section. A recess is formed in the lower lid in a region surrounded by the lower lid insertion portion, the recess is recessed in a direction approaching the upper lid, and the lower lid intake port is provided in the recess. The refrigerator according to claim 9, characterized in that: The refrigerator according to claim 9, wherein an arcuate transition part is formed between the lower lid insertion part and the outer peripheral surface of the lower lid. The lower lid body is provided with a screw mounting post, the upper lid body is provided with a corresponding screw mounting counterbored hole, and a screw is drilled in the screw mounting counterbore hole and inserted into the screw mounting post. The refrigerator according to claim 9, characterized in that the refrigerator is equipped with a refrigerator. 13. The refrigerator according to claim 12, wherein a decorative plate is provided on the surface of the upper lid, and the decorative plate covers the screw mounting counterbore.

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