JP2023519441A - refrigerator - Google Patents

Abstract

The present disclosure discloses a refrigerator including a storage compartment, a door, a freshness box, a vacuum assembly and a magnetic sensing switch. A storage cavity is formed in the fresh food box, and the fresh food box is connected to the door. The vacuum assembly includes a vacuum pump, a vacuum line and a vacuum takeover assembly, the vacuum line communicating between the vacuum pump and the vacuum takeover assembly. With the vacuum take-over assembly connected to the freshness box, the vacuum assembly can draw a vacuum to the storage cavity. A vacuum takeover assembly is mounted on the door, and the door is provided with a key switch, which controls the start and stop of the vacuum pump. A key switch controls the start and stop of the vacuum pump, thereby facilitating operation.

Description

This application claims the priority of the Chinese patent application entitled "Refrigerator" with application number 202010381516.0 filed with the Chinese Patent Office on May 8, 2020, and all disclosure contents thereof is incorporated herein by reference.

TECHNICAL FIELD The present disclosure relates to the technical field of refrigeration equipment, and more particularly to a refrigerator equipped with a vacuum freshness keeping device.

In recent years, people's awareness of health has increased, and the need for maintaining the freshness of ingredients has also increased. Refrigerators are the most commonly used household appliances for food storage, and fresh food storage is a technical issue that should be quickly resolved in the field of refrigerators.

At present, manufacturers are developing various freshness-preserving techniques to deal with the problem of freshness storage of foodstuffs, for example, a vacuum preservation technique. In a vacuum, the conditions under which food spoils change. First, it is difficult for microorganisms and various reactive enzymes to survive in a vacuum environment, and it takes a long time to reach the conditions for the propagation of microorganisms; However, since various chemical reactions cannot be completed and the food is not oxidized, the food can be kept fresh for a long time.

Some embodiments of the present application disclose a refrigerator including a storage compartment, a door, a freshness box, a vacuum assembly and a magnetic sensing switch. The fresh box has a storage cavity formed therein and is connected to the door. The vacuum assembly includes a vacuum pump, a vacuum line and a vacuum takeover assembly. A vacuum line communicates with the vacuum pump and the vacuum takeover assembly. With the vacuum takeover assembly connected to the freshness box, the vacuum assembly can draw a vacuum on the storage cavity. A vacuum takeover assembly is mounted on the door, and the door is provided with a key switch, which controls the start and stop of the vacuum pump.

Hereinafter, in order to more clearly describe the technical solution according to the embodiments of the present disclosure, the drawings used in the description of the embodiments will be briefly described. It is clear that it is only a part. Those skilled in the art can derive other drawings based on these drawings without creative effort. Also, the drawings in the following description can be considered schematic and do not limit the actual dimensions of products according to embodiments of the present disclosure.

1 is a diagram showing the structure of a refrigerator according to some embodiments; FIG.

FIG. 4 is an assembled view of a freshness box, vacuum take-over assembly and mounting base, according to some embodiments;

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

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 in the vacuum takeover assembly shown in FIG. 4;

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

FIG. 4 is a cross-sectional view of another vacuum takeover assembly, according to some embodiments;

FIG. 10 is a diagram showing a structure (separable type) of a mounting base according to some embodiments;

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 substrate in the mounting base shown in FIG. 8; FIG.

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

FIG. 10 is a diagram showing a structure (integrated type) of a mounting base according to some embodiments;

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

It is a figure which shows the assembly|attachment structure of the mounting base which concerns on some Example, and the side frame of a door.

It is a figure which shows the partial structure of the side frame of the door which concerns on some Example.

FIG. 4 is a structural schematic diagram of a mounting cover with a key switch mounted thereon according to some embodiments;

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

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

The following clearly and completely describes the technical solution of the embodiments of the present disclosure with reference to the drawings in the embodiments of the present disclosure. Of course, the embodiments described herein are only some of the embodiments of the present disclosure, and are not all embodiments. Based on the embodiments in the present disclosure, all other embodiments that can be easily conceived by persons skilled in the art without particular inventiveness shall fall within the scope of rights of the present disclosure.

In the description of the embodiments of the present disclosure, "top", "bottom", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" The orientations or positional relationships indicated by terms such as , “inside” and “outside” are based on the orientations or positional relationships shown in the drawings and are merely for convenience or simplification of the description of the present disclosure. , should not be understood to indicate or imply that the device or element referred to has a particular orientation, or is required to be configured or operated in a particular orientation. Accordingly, the disclosure should not be taken as limiting.

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

It should be noted that in the description of this disclosure, the terms "attachment," "coupling," and "connection" should be understood broadly, unless otherwise specifically defined or limited. For example, it may be a fixed connection, a removable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium. It may be a connection or an internal communication between two elements. For those skilled in the art, the specific meanings of the terms in this disclosure may 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 storeroom 100 defining a storage space and a plurality of door bodies 200 provided in the storeroom 100 . Here, the door body 200 includes a door body casing 210 located outside the storage room 100, a door body liner 220 located inside the storage room 100, an upper end lid 230, a lower end lid 240, and a door body casing 210. and a foam layer positioned between the door liner 220 , the top lid 230 and the bottom lid 240 .

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

FIG. 2 is an assembled configuration diagram of a safe box, vacuum take-over assembly and 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 (illustration of the freshness box is omitted). As shown in FIGS. 1-3, the refrigerator in the present disclosure further includes a freshness box 400 and a vacuum assembly 500. As shown in FIGS.

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

The freshness box 400 includes a box body and a lid body, and the lid body is provided with a vacuum suction interface section 420 . The vacuum interface portion 420 cooperates with the vacuum suction assembly 500 to facilitate communication of the vacuum suction assembly 500 with the storage cavity 410 to facilitate drawing a vacuum on the storage cavity 410 .

A vacuum assembly 500 can create a vacuum within the freshener 400 . Here, the vacuum state is not an absolute vacuum state, but actually a low pressure state, which enhances the freshness keeping effect of the items stored in the freshness box 400 . Exemplarily, the degree of vacuum inside the fresh box 400 is 0.6-0.9 mpa.

Vacuum assembly 500 includes vacuum pump 530 , vacuum line 520 and vacuum takeover assembly 510 . A vacuum line 520 communicates a vacuum pump 530 and a vacuum takeover assembly 510 , the vacuum takeover assembly 510 is removably connected to the vacuum interface portion 420 , and the vacuum pump 530 applies a vacuum to the entire vacuum assembly 500 . Provides traction power.

When the storage cavity 410 needs to be vacuumed, the vacuum takeover assembly 510 and the storage cavity 410 are communicated, ie the vacuum takeover assembly 510 and the vacuum interface 420 are connected. At this time, when the vacuum pump 530 is activated, the gas in the storage cavity 410 is exhausted through the vacuum takeover assembly 510 and the vacuum suction pipe 520 to the vacuum pump 530, thereby creating a negative pressure in the storage cavity 410. Become.

In some embodiments of the present application, the vacuum pump 530 may be attached to the top lid 230 of the door, and the vacuum line 520 drawn from the vacuum takeover assembly 510 passes through the foam layer of the door 200 to the top. It extends to lid 230 and communicates with vacuum pump 530 .

In some embodiments of the present disclosure, a ledge 260 is provided in the door liner 220, as shown in FIG. The fresh food box 400 is placed directly on the shelf 260 and is detachably connected to the liner 220 of the door. When it is necessary to take out the fresh food box 400 from the refrigerator, the fresh food box 400 can be taken out directly from the shelf 260. - 特許庁

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

In other embodiments, vacuum take-over assembly 510 may be provided away from the side where door 200 and refrigerator housing 300 are hinged. Thus, the vacuum takeover assembly 510 is closer to the user, facilitating related manipulations of the vacuum takeover assembly 510 by the user.

Activation and deactivation of vacuum assembly 500 is controlled by key switch 900 .

FIG. 16 is a structural schematic diagram of a mounting cover with a key switch mounted thereon according to some embodiments. 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. FIG. As shown in FIGS. 16-18, the vacuum takeover assembly 510 is mounted on the door liner 220 and the door 200 is provided with a key switch 900 . The key switch 900 controls starting and stopping of the vacuum pump 530 by communicating with the vacuum pump 530 .

Pressing the key switch 900 while the vacuum assembly 500 is vacuuming will immediately stop the vacuum pump 530 . This improves the safety of the evacuation of the system.

FIG. 4 is a cross-sectional view of a vacuum takeover assembly, according to some embodiments. 5 is a diagram showing the structure of the lower cover in the vacuum takeover assembly shown in FIG. 4. FIG. 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. 4-7, the vacuum take-over assembly 510 includes a top lid 511 and a bottom lid 512, the top lid 511 being a planar structure and the bottom lid 512 having a bottom plate 5125 and a peripheral side plate 5126. include. When the upper lid 511 and the lower lid 512 are engaged and connected, an airflow passage is formed between them. The evacuation pipeline 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 portion 420 , specifically when the lower lid 512 is connected to the vacuum interface portion 420 and the airflow passage communicates with the storage cavity 410 , the vacuum pump 530 is activated, the gas in the storage cavity 410 is exhausted through the air flow passage, the evacuation line 520, and the vacuum pump 530.

The evacuation pipe line 520 is pulled out from the upper lid 511 or the lower lid 512 and extends to the mounting base 600 and is led to the vacuum pump 530 via the mounting base 600 . The evacuation line 520 is hidden between the upper lid 511 and the lower lid 512 and hidden within the mounting base 600 so as not to be exposed.

Illustratively, the present disclosure provides two embodiments of the vacuum take-over assembly 510, one in which the vacuum line 520 is connected with the bottom lid 512, and one in which the vacuum line is connected. A path 520 is connected to the upper lid 511 . A detailed description will be given below.

In one embodiment, a vacuum 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 an annular lower lid projection (represented as lower lid projection I 5121 ) correspondingly, and the lower lid projection I 5121 extends toward the upper lid 511 . The lower lid body 512 is provided with a lower lid intake port 5127 in a region surrounded by the lower lid body projection part I 5121, and the lower lid body projection part I 5121 is provided with a first pipe joint 5251, which is a vacuum suction pipe. Channel 520 is connected to first fitting 5251 .

After the upper lid 511 and the lower lid 512 are engaged, the upper lid protrusion 5111 is inserted into the inner periphery of the lower lid protrusion I 5121, and the tip of the lower lid protrusion I 5121 is attached to the upper lid 511. abut. A cavity is formed by surrounding the upper lid projecting portion 5111 and the lower lid projecting portion I 5121, and both the lower lid intake port 5127 and the first pipe joint 5251 communicate with the cavity to form an airflow passage. During evacuation, the gas in the storage cavity 410 flows through the lower lid inlet 5127, the cavity formed by the upper lid projection 5111 and the lower lid projection I 5121, and the first pipe joint 5251 in that order. to reach the evacuation line 520 .

In some embodiments of the present disclosure, a seal ring 513 is provided between the tip surface of the lower lid protrusion I 5121 and the upper lid 511, thereby achieving sealing of the airflow passage and vacuuming effect. can also be increased.

In some embodiments of the present disclosure, an annular bottom lid projection II 5122 is further provided within the area surrounded by the bottom lid projection I 5121, and the bottom lid projection II 5122 is against airflow. serves as a constant convergence guide. A ventilation hole 51221 is provided in the lower lid projecting portion II 5122 to facilitate gas flow.

In some embodiments of the present disclosure, the second magnet 5112 is secured, such as with an adhesive, within the area surrounded by the top lid projection 5111 , thereby securing the second magnet 5112 within the vacuum takeover assembly 510 . Realize fixed mounting. In addition, even if the mounting structure of the second magnet 5112 fails, the lower lid protruding portion II 5122 can exert a certain protective effect on the second magnet 5122, preventing the second magnet 5112 from falling. cover the lower lid intake port 5127 to avoid affecting the evacuation process.

In some embodiments of the present disclosure, the bottom plate 5125 of the lower lid is provided with a plurality of screw mounting posts 51251 , the plurality of screw mounting posts 51251 are arranged symmetrically around the outer circumference of the lower lid protrusion I 5121 . be. The upper cover 511 is provided with a plurality of screw mounting countersunk holes 5114 correspondingly. By inserting a screw 514 between the screw mounting post 51251 and the screw mounting counterbore 5114, the fixed mounting of the upper lid body 511 and the lower lid body 512 is realized.

An engagement groove 51261 is provided at the rear end of the peripheral side plate 5126 of the lower lid, and an engagement claw 5115 is provided correspondingly to the rear end of the upper lid 511 , and the engagement groove 51261 is engaged with the engagement claw 5115 . As a result, the connection reliability between the upper lid 511 and the lower lid 512 is further enhanced.

In some embodiments of the present disclosure, the surface of the top cover 511 is provided with a plaque 5116, such as an acrylic plate, which covers the screw mounting counterbore 5114 and the screw 514, thereby providing a vacuum take-over. The appearance of assembly 510 is enhanced.

In some embodiments of the present disclosure, the upper lid 511 is further provided with a plurality of third magnets 5113, and the plurality of third magnets 5113 are provided symmetrically around the outer circumference of the second magnet 5112, that is, a plurality of The third magnets 5113 are arranged symmetrically around the outer periphery of the upper cover protrusion 5111 . An adsorption effect is generated between the plurality of third magnets 5113 and the second magnets 5112 , further positioning the second magnets 5112 , and further enhancing the stability of the second magnets 5112 . Correspondingly, a column 51252 is provided on the bottom plate 5125 of the lower cover, and the column 51252 abuts against the third magnet 5113, thereby increasing the mounting reliability of the third magnet 5113 and preventing the third magnet 5113 from falling. can be avoided.

In some embodiments of the present disclosure, the lower lid 512 is provided with a lower lid insert 5123, the lower lid insert 5123 is provided with a soft rubber portion 5124, and the soft rubber portion 5124 is vacuum It is used to make a sealing connection with the pull interface portion 420 .

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

When the vacuum take-over assembly 510 is connected to the vacuum interface portion 420 for vacuuming, the soft rubber portion 5124 is sealingly engaged within the recessed groove portion 421, and the gas within the storage cavity 410 passes through the vent hole 422 to the lower lid. It flows to the body intake port 5127 and then to the evacuation line 520 via the airflow passage. After the vacuum is completed, the vacuum take-over assembly 510 and the vacuum interface 420 are separated, and the relief valve 423 closes the vent 422 to maintain the negative pressure inside the storage cavity 410 .

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 interface portion 420, there is a predetermined height between the lower lid 512 and the relief valve 423. There is distance. This distance provides space for up and down displacement of the relief valve 423 and also forms a gas buffer chamber 515, thereby buffering gas flow and facilitating gas flow.

In some embodiments of the present disclosure, the lower lid 512 is formed with a recess 5128 in an area surrounded by the lower lid insertion portion 5123, and the recess 5128 is recessed in a direction toward the upper lid 511. , the lower lid intake port 5127 is provided in the recess 5128 . Recess 5128 acts as a convergence guide for gas and facilitates gas flow.

In some embodiments of the present disclosure, an arcuate transition 5129 is formed between the lower lid insert 5123 and the outer peripheral surface of the lower lid 512, specifically the lower lid insert 5123. and a peripheral side plate 5126 of the lower lid. The arcuate transition 5129 prevents the bottom lid 512 from getting too close to the top surface of the freshener box 400 and provides a working space for the user to perform displacement movements on the vacuum takeover assembly 510 . .

In some embodiments of the present disclosure, a through hole 51263 is provided in the rear end of the peripheral side plate 5126 of the lower lid, and the vacuum suction pipe 520 pulled out from the first pipe joint 5251 is attached through the through hole 51263. Enter the interior of the base 600 . The through-hole 51263 extends vertically such that the through-hole 51263 provides a large operating space for the vacuum line 520 as the vacuum take-over assembly 510 moves.

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

The upper lid body 511 is provided with an annular upper lid body projection part 5111, the upper lid body projection part 5111 extends toward the lower lid body 512, the upper lid body projection part 5111 is provided with a first pipe joint 5251, and the vacuum is The pull pipe line 520 is connected to the first pipe joint 5251 . The lower lid 512 is provided with an annular lower lid protrusion (denoted as lower lid protrusion I 5121), and the lower lid protrusion I 5121 extends toward the upper lid 511 and extends toward the lower lid 512. A lower lid intake port 5127 is provided in a region surrounded by the lower lid projecting portion I 5121 . The upper lid projecting portion 5111 is inserted on the outer periphery of the lower lid projecting portion I 5121 and contacts 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. 7, the second magnet 5112 is provided within the area surrounded by the upper lid protrusion 5111, while the lower lid protrusion I 5121 is protected against the second magnet 5112. This prevents the second magnet 5112 from falling due to a defective mounting structure and covering the lower lid suction port 5127 to affect the evacuation process.

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

By realizing the attachment of the vacuum takeover assembly 510 through the mounting base 600, on the one hand, the processing of the door 200 is facilitated, and the door 200 does not need to undergo excessive structural changes, depending on the structure of the mounting base 600. It only needs to adaptively adjust the structure of the door; on the other hand, depending on how the vacuum take-over assembly 510 is mounted, only the local structure of the mounting base 600 needs to be adjusted. From the above two perspectives, mounting the vacuum takeover assembly 510 through the mounting base 600 greatly reduces the manufacturing cost and research and development cost of the product.

The mounting base 600 also provides space for mounting the wiring of the evacuation line 520 and associated electrical components for controlling the activation and deactivation of the evacuation assembly 500 .

8 to 15 can be referred to for the structure of the mounting base 600. FIG. As further shown in FIGS. 2 and 3, the mounting base 600 is provided on the door 200 such that at least a portion of the mounting base 600 is exposed from the inside of the door 200 (i.e., the door liner 220) and the other portion is exposed from the door. provided in 200 foam layers.

The vacuum takeover assembly 510 is connected to the portion 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.

Since a part of the mounting base 600 is provided in the foam layer of the door 200, the mounting reliability of the mounting base 600 can be enhanced, and the evacuation pipe 520 and the evacuation assembly 500 can be improved. Mounting space can be provided for wiring of associated 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 200, and a cavity 613 is formed within the mounting substrate 610. , the cavity 613 provides mounting space for the wiring of electrical components associated with the evacuation line 520 and the evacuation assembly 500 . The cavity 613 includes an opening 614 on the side of the door facing the liner 220 , and a mounting cover 620 is provided at the opening 614 to expose 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, the inner wall of the cavity 613 is provided with a plurality of engaging claw portions 618, and the mounting cover 620 is provided with a plurality of corresponding locking tool portions 623 to provide a plurality of engaging portions. The mounting substrate 610 and the mounting cover 620 are assembled by the one-to-one engagement between the claw portions 618 and the plurality of locking tool portions 623 .

If the mounting board 610 and the mounting cover 620 adopt a separate structure, the mounting cover 620 can be removed when the vacuum suction line 520 located in the cavity 613 or the electric parts need to be repaired, facilitating repair. can be

In another embodiment, mounting substrate 610 is integrally molded with mounting cover 620 . As shown in FIGS. 12 and 13, the unitary construction facilitates processing.

In some embodiments of the present disclosure, mounting cover 620 is provided with openings 621 . The opening 621 communicates with the cavity 613 and has an extension 622 on the outer periphery. The extension 622 extends toward the refrigerator compartment and connects to the vacuum take-over assembly 510 , specifically to the lower lid 512 .

In the present disclosure, the extension 622 is provided to surround the left, right, and bottom sides of the opening 621, and the peripheral side plates 5126 on both the left and right sides of the lower lid 512 are rotatable with the left and right sides of the extension 622, respectively. connect to. The opening 621 faces the cavity 613 , specifically the lower cavity 6132 . The lower extension 622 acts as a limit to the downward pivoting range of the vacuum take-over assembly 510 .

FIG. 8 is a diagram illustrating a structure (separate type) of a mounting base according to some embodiments of the present disclosure; As shown in FIGS. 5 and 8, the two peripheral side plates 5126 on the left and right sides of the lower lid body 512 are provided with annular bosses 51262, respectively, and the extending portion 622 is provided with a corresponding round hole 6221 to form an annular boss. 5126 is rotatably mounted within round hole 6221 to provide a rotatable connection between lower lid 512 and extension 622 and also to provide rotatable mounting of vacuum takeover assembly 510. come true.

A second pipe joint 5252 is provided on the side wall of the cavity 613 . The vacuum line 520 drawn from the vacuum takeover assembly 510 (ie, the first fitting 5251 ) is drawn to the vacuum pump 530 via the opening 621 , the cavity 613 and the second fitting 5252 .

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

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

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

FIG. 14 is a diagram showing an assembly structure of the mounting base and the side frame of the door according to some embodiments of the present disclosure. FIG. 15 illustrates a partial structure of a door side frame according to some embodiments of the present disclosure; As shown in FIGS. 14 and 15, a stopper portion 251 is provided on the side facing the foam layer of the side frame 250 of the door. The stopper portion 251 has a plate-like structure, and a locking groove portion 2511 is provided in the stopper portion 251 . A first protrusion 6121 is provided correspondingly to the second mounting board 612, and the first protrusion 6121 is locked in the locking groove 2511, thereby connecting the mounting board 610 and the side frame 250 of the door. Realize connectivity.

In the present disclosure, in order to improve the strength of the stopper portion 251, the stopper portion 251 is provided with a plurality of reinforcing ribs 2513 extending in the horizontal direction. The locking grooves 2511 are formed between some of the reinforcing ribs 2513 , and the locking of the locking grooves 2511 and the first projections 6121 can limit the displacement of the mounting substrate 610 .

In some embodiments of the present disclosure, the stopper portion 251 is further provided with a stop rib 2512 and the second mounting substrate 612 is correspondingly provided with a second protrusion 6122 . A stop rib 2512 abuts the second protrusion 6122 along the horizontal direction to further increase the reliability of the restraint on the mounting substrate 610 .

FIG. 9 is a diagram showing the structure of the mounting base shown in FIG. 8 as seen from the back side. As shown in FIG. 9, the mounting substrate 610 is provided with a plurality of posts 616 that extend toward the outer wall of the door 200 (i.e., the door casing 210) and the outside of the door 200. It abuts against the wall to further enhance the mounting stability of the mounting substrate 610 within the foam layer.

10A and 10B are diagrams showing the structure of a mounting substrate in the mounting base shown in FIG. 8. FIG. 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 upper and lower two spaces, an upper cavity 6131 and a lower cavity 6132, respectively.

In the present disclosure, the second fitting 5252 is provided on the side wall of the lower cavity 6132 and the vacuum line 520 led out from the first fitting 5252 is connected to the second fitting 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 wiring holes 6133 for wiring.

The partition plate 615 allows the upper cavity 6131 to be used for wiring and the lower cavity 6132 to be used for piping. By separating the wiring and the piping, the internal structure becomes more orderly and repairs and inspections are facilitated.

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

In some embodiments of the present disclosure, key switch 900 includes switch trigger plate 910 and 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 pawl structures, and the switch trigger plate 910 is confined within the area enclosed by the plurality of pawl structures. The mounting cover 620 is provided with a mounting hole 624 at a position facing the switch trigger plate 910 , and the button 920 is movably provided in the mounting hole 624 . The button 920 is movable along the mounting hole 624 into or out of contact with the switch trigger plate 910, thereby triggering the key switch 900 response.

The switch trigger plate 910 is positioned within the upper cavity 613 , a wiring hole 6133 is provided in the side wall of the upper cavity 613 , and a line electrically connected to the switch trigger plate 910 is led out through 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 implementations or examples.

Although the above are only specific embodiments of the present disclosure, the protection scope of the present disclosure is not limited to them, and any modification or replacement that a person skilled in the art can easily conceive within the technical scope of the present disclosure is shall fall within the protection scope of the present disclosure. Therefore, the protection scope of this disclosure shall be governed by the scope of the claims.

100 - storage chamber, 110 - freezer compartment, 120 - refrigerator compartment 200 - door body 210 - door body casing 220 - liner 230 - upper end lid 240 - lower end lid 250 - side frame, 251 - stopper part, 2511 - locking groove part , 2512-stop rib, 2513-reinforcement rib 260-shelf 300-warehouse 400-preservation box, 410-storage cavity, 420-vacuum suction interface, 421-groove, 422-vent, 423-relief valve 500- Vacuum drawing assembly 510 - vacuum takeover assembly, 511 - top lid, 5111 - top lid protrusion, 5112 - second magnet, 5113 - third magnet, 5114 - screw mounting counterbore, 5115 - engagement pawl, 5116 - Decorative plate, 512-lower lid, 5121-lower lid protrusion I, 5122-lower lid protrusion II, 51221-vent hole, 5123-lower lid insertion portion, 5124-soft rubber portion, 5125-bottom plate , 51251 - screw mounting post, 51252 - column, 5126 - peripheral side plate, 51261 - engagement groove, 51262 - annular boss, 51263 - through hole, 5127 - lower lid intake, 5128 - recess, 5129 - arcuate transition , 513-seal ring, 514-screw, 515-gas buffer case 520-evacuation pipeline, 5251-first pipe joint, 5252-second pipe joint 530-vacuum pump 600-mounting base 610-mounting substrate, 611- First mounting substrate, 612-second mounting substrate, 6121-first projection, 6122-second projection, 613-cavity, 6131-upper cavity, 6132-lower cavity, 6133-wiring hole, 614-opening, 615—partition plate, 616—post, 617—first magnet, 618—engaging claw portion 620—mounting cover, 621—opening portion, 622—extending portion, 6221—round hole, 623—locking portion, 624 - mounting hole, 625 - switch trigger plate mounting part 900 - key switch, 910 - switch trigger plate, 920 - button

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

TECHNICAL FIELD The present disclosure relates to the technical field of refrigeration equipment, and more particularly to a refrigerator equipped with a vacuum freshness keeping device.

In recent years, people's awareness of health has increased, and the need for maintaining the freshness of ingredients has also increased. Refrigerators are the most commonly used household appliances for food storage, and fresh food storage is a technical issue that should be quickly resolved in the field of refrigerators.

At present, manufacturers are developing various freshness-preserving techniques to deal with the problem of freshness storage of foodstuffs, for example, a vacuum preservation technique. In a vacuum, the conditions under which food spoils change. First, it is difficult for microorganisms and various reactive enzymes to survive in a vacuum environment, and it takes a long time to reach the conditions for the propagation of microorganisms; However, since various chemical reactions cannot be completed and the food is not oxidized, the food can be kept fresh for a long time.

Some embodiments of the present application disclose a refrigerator including a storage compartment, a door, a freshness box, a vacuum assembly and a key switch. The fresh box has a storage cavity formed therein and is connected to the door. The vacuum assembly includes a vacuum pump, a vacuum line and a vacuum takeover assembly. A vacuum line communicates with the vacuum pump and the vacuum takeover assembly. With the vacuum takeover assembly connected to the freshness box, the vacuum assembly can draw a vacuum on the storage cavity. A vacuum takeover assembly is mounted on the door, and the door is provided with a key switch, which controls the start and stop of the vacuum pump.

Hereinafter, in order to more clearly describe the technical solution according to the embodiments of the present disclosure, the drawings used in the description of the embodiments will be briefly described. It is clear that it is only a part. Those skilled in the art can derive other drawings based on these drawings without creative effort. Also, the drawings in the following description can be considered schematic and do not limit the actual dimensions of products according to embodiments of the present disclosure.

1 is a diagram showing the structure of a refrigerator according to some embodiments; FIG.

FIG. 4 is an assembled view of a freshness box, vacuum take-over assembly and mounting base, according to some embodiments;

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

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 in the vacuum takeover assembly shown in FIG. 4;

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

FIG. 4 is a cross-sectional view of another vacuum takeover assembly, according to some embodiments;

FIG. 10 is a diagram showing a structure (separable type) of a mounting base according to some embodiments;

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 substrate in the mounting base shown in FIG. 8; FIG.

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

FIG. 10 is a diagram showing a structure (integrated type) of a mounting base according to some embodiments;

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

It is a figure which shows the assembly|attachment structure of the mounting base which concerns on some Example, and the side frame of a door.

It is a figure which shows the partial structure of the side frame of the door which concerns on some Example.

FIG. 4 is a structural schematic diagram of a mounting cover with a key switch mounted thereon according to some embodiments;

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

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

The following clearly and completely describes the technical solution of the embodiments of the present disclosure with reference to the drawings in the embodiments of the present disclosure. Of course, the embodiments described herein are only some of the embodiments of the present disclosure, and are not all embodiments. Based on the embodiments in the present disclosure, all other embodiments that can be easily conceived by persons skilled in the art without particular inventiveness shall fall within the scope of rights of the present disclosure.

In the description of the embodiments of the present disclosure, "top", "bottom", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom" The orientations or positional relationships indicated by terms such as , “inside” and “outside” are based on the orientations or positional relationships shown in the drawings and are merely for convenience or simplification of the description of the present disclosure. , should not be understood to indicate or imply that the device or element referred to has a particular orientation, or is required to be configured or operated in a particular orientation. Accordingly, the disclosure should not be taken as limiting.

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

It should be noted that in the description of this disclosure, the terms "attachment," "coupling," and "connection" should be understood broadly, unless otherwise specifically defined or limited. For example, it may be a fixed connection, a removable connection, or an integral connection, a mechanical connection, an electrical connection, a direct connection, or an indirect connection through an intermediate medium. It may be a connection or an internal communication between two elements. For those skilled in the art, the specific meanings of the terms in this disclosure may 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 compartment 100 defining a storage space and a plurality of door bodies 200 partially provided within the storage compartment 100 . Here, the door body 200 includes a door body casing 210 located outside the storage room 100, a door body liner 220 located inside the storage room 100, an upper end lid 230, a lower end lid 240, and a door body casing 210. and a foam layer positioned between the door liner 220 , the top lid 230 and the bottom lid 240 .

The storage compartment 100 has an open storage body 300 and is divided into a lower freezing compartment 110 and an upper refrigerating compartment 120 . Each partitioned space can 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 freezing compartment 110 is partitioned into left and right sides to form refrigerating compartments 120, respectively. The refrigerator compartment 120 can be selectively opened and closed by a refrigerator compartment door pivotally attached to the refrigerator compartment 120 .

FIG. 2 is an assembled configuration diagram of a safe box, vacuum take-over assembly and 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 (illustration of the freshness box is omitted). As shown in FIGS. 1-3, the refrigerator in the present disclosure further includes a freshness box 400 and a vacuum assembly 500. As shown in FIGS.

A storage cavity 410 is formed in the freshness box 400, and the freshness box 400 is detachably connected to the door 200 (specifically, the liner 220 of the door) so that the freshness box 400 can be easily stored. It is removed from the door body 200 to improve usability of the freshness box 400.例文帳に追加

The freshness box 400 includes a box body and a lid body, and the lid body is provided with a vacuum suction interface section 420 . The vacuum interface portion 420 cooperates with the vacuum suction assembly 500 to facilitate communication of the vacuum suction assembly 500 with the storage cavity 410 to facilitate drawing a vacuum on the storage cavity 410 .

A vacuum assembly 500 can create a vacuum within the freshener 400 . Here, the vacuum state is not an absolute vacuum state, but actually a low pressure state, which enhances the freshness keeping effect of the items stored in the freshness box 400 . Exemplarily, the degree of vacuum inside the fresh 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 section 420 (see FIG. 2 ), and the vacuum pump extends throughout the vacuum assembly 500 . provides vacuum power to

When the storage cavity 410 needs to be vacuumed, the vacuum takeover assembly 510 and the storage cavity 410 are communicated, ie the vacuum takeover assembly 510 and the vacuum interface 420 are connected. At this time, when the vacuum pump is activated, the gas in the storage cavity 410 is exhausted through the vacuum takeover assembly 510 and the evacuation pipe 520 to the vacuum pump, thereby creating a negative pressure 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, and the vacuum line 520 leading from the vacuum takeover assembly 510 passes through the foam layer of the door 200 to the top lid. 230 and communicates with a vacuum pump.

In some embodiments of the present disclosure, a ledge 260 is provided in the door liner 220, as shown in FIG. The fresh food box 400 is placed directly on the shelf 260 and is detachably connected to the liner 220 of the door. When it is necessary to take out the fresh food box 400 from the refrigerator, the fresh food box 400 can be taken out directly from the shelf 260. - 特許庁

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

In other embodiments, vacuum take-over assembly 510 may be provided away from the side where door 200 and refrigerator housing 300 are hinged. Thus, the vacuum takeover assembly 510 is closer to the user, facilitating related manipulations of the vacuum takeover assembly 510 by the user.

Activation and deactivation of vacuum assembly 500 is controlled by key switch 900 (see FIG. 2).

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

Pressing the key switch 900 while the vacuum assembly 500 is drawing a vacuum will immediately stop the vacuum pump. This improves the safety of the evacuation of the system.

FIG. 4 is a cross-sectional view of a vacuum takeover assembly, according to some embodiments. 5 is a diagram showing the structure of the lower cover in the vacuum takeover assembly shown in FIG. 4. FIG. 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. 4-7, the vacuum take-over assembly 510 includes a top lid 511 and a bottom lid 512, the top lid 511 being a planar structure and the bottom lid 512 having a bottom plate 5125 and a peripheral side plate 5126. include. When the upper lid 511 and the lower lid 512 are engaged and connected, an airflow passage is formed between them. The evacuation pipeline 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 lower lid 512 is connected to the vacuum interface section 420 and the airflow passage communicates with the storage cavity 410 , the vacuum pump is turned on. Upon start-up, the gas in the storage cavity 410 is evacuated through the airflow passage, vacuum line 520, to the vacuum pump.

The evacuation pipeline 520 is pulled 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. FIG. The evacuation line 520 is hidden between the upper lid 511 and the lower lid 512 and hidden within the mounting base 600 so as not to be exposed.

Illustratively, the present disclosure provides two embodiments of the vacuum take-over assembly 510, one in which the vacuum line 520 is connected with the bottom lid 512, and one in which the vacuum line is connected. A path 520 is connected to the upper lid 511 . A detailed description will be given below.

In one embodiment, a vacuum 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 an annular lower lid projection (represented as lower lid projection I 5121 ) correspondingly, and the lower lid projection I 5121 extends toward the upper lid 511 . The lower lid body 512 is provided with a lower lid intake port 5127 in a region surrounded by the lower lid body projection part I 5121, and the lower lid body projection part I 5121 is provided with a first pipe joint 5251, which is a vacuum suction pipe. Channel 520 is connected to first fitting 5251 .

After the upper lid 511 and the lower lid 512 are engaged, the upper lid protrusion 5111 is inserted into the inner periphery of the lower lid protrusion I 5121, and the tip of the lower lid protrusion I 5121 is attached to the upper lid 511. abut. A cavity is formed by surrounding the upper lid projecting portion 5111 and the lower lid projecting portion I 5121, and both the lower lid intake port 5127 and the first pipe joint 5251 communicate with the cavity to form an airflow passage. During evacuation, the gas in the storage cavity 410 flows through the lower lid inlet 5127, the cavity formed by the upper lid projection 5111 and the lower lid projection I 5121, and the first pipe joint 5251 in that order. to reach the evacuation line 520 .

In some embodiments of the present disclosure, a seal ring 513 is provided between the tip surface of the lower lid protrusion I 5121 and the upper lid 511, thereby achieving sealing of the airflow passage and vacuuming effect. can also be increased.

In some embodiments of the present disclosure, an annular bottom lid projection II 5122 is further provided within the area surrounded by the bottom lid projection I 5121, and the bottom lid projection II 5122 is against airflow. serves as a constant convergence guide. A ventilation hole 51221 is provided in the lower lid projecting portion II 5122 to facilitate gas flow.

In some embodiments of the present disclosure, mounting base 600 is provided with a first magnet 617 and vacuum takeover assembly 510 is correspondingly provided with a second magnet 5122, as shown in FIGS. . 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 secured with adhesive or the like within the area surrounded by the top lid projection 5111 , thereby providing a fixed attachment of the second magnet 5112 within the vacuum takeover assembly 510 . In addition, even if the mounting structure of the second magnet 5112 fails, the lower lid protruding portion II 5122 can exert a certain protective effect on the second magnet 5122, preventing the second magnet 5112 from falling. cover the lower lid intake port 5127 to avoid affecting the evacuation process.

In some embodiments of the present disclosure, the bottom plate 5125 of the lower lid is provided with a plurality of screw mounting posts 51251 , the plurality of screw mounting posts 51251 are arranged symmetrically around the outer circumference of the lower lid protrusion I 5121 . be. The upper cover 511 is provided with a plurality of screw mounting countersunk holes 5114 correspondingly. By passing the screw 514 through the mounting counterbore 5114 and inserting it into the screw mounting post 51251, the fixed mounting of the upper lid 511 and the lower lid 512 is realized.

An engagement groove 51261 is provided at the rear end of the peripheral side plate 5126 of the lower lid, and an engagement claw 5115 is provided correspondingly to the rear end of the upper lid 511 , and the engagement groove 51261 is engaged with the engagement claw 5115 . As a result, the connection reliability between the upper lid 511 and the lower lid 512 is further enhanced.

In some embodiments of the present disclosure, the surface of the top cover 511 is provided with a plaque 5116, such as an acrylic plate (see FIG. 4), which covers the screw mounting counterbore 5114 and the screw 514, which This enhances the appearance of vacuum takeover assembly 510 .

In some embodiments of the present disclosure, the upper lid 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 magnets 5112. That is, the plurality of third magnets 5113 are arranged symmetrically around the outer periphery of the upper cover protrusion 5111 . An adsorption effect is generated between the plurality of third magnets 5113 and the second magnets 5112 , further positioning the second magnets 5112 , and further enhancing the stability of the second magnets 5112 . Correspondingly, the bottom plate 5125 of the lower cover is provided with a plurality of columns 51252, each column 51252 abutting against one third magnet 5113, so that the mounting reliability of the third magnet 5113 is enhanced. It is possible to prevent the third magnet 5113 from falling.

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

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

When the vacuum take-over assembly 510 is connected to the vacuum interface portion 420 for vacuuming, the soft rubber portion 5124 is sealingly engaged within the recessed groove portion 421, and the gas within the storage cavity 410 passes through the vent hole 422 to the lower lid. It flows to the body intake port 5127 and then to the evacuation line 520 via the airflow passage. After the vacuum is completed, the vacuum take-over assembly 510 and the vacuum interface 420 are separated, and the relief valve 423 closes the vent 422 to maintain the negative pressure inside the storage cavity 410 .

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 interface portion 420, there is a predetermined height between the lower lid 512 and the relief valve 423. There is distance. This distance provides space for up and down displacement of the relief valve 423 and also forms a gas buffer chamber 515, thereby buffering gas flow and facilitating gas flow.

In some embodiments of the present disclosure, the lower lid 512 is formed with a recess 5128 in an area surrounded by the lower lid insertion portion 5123, and the recess 5128 is recessed in a direction toward the upper lid 511. , the lower lid intake port 5127 is provided in the recess 5128 . Recess 5128 acts as a convergence guide for gas and facilitates gas flow.

In some embodiments of the present disclosure, an arcuate transition 5129 is formed between the lower lid insert 5123 and the outer peripheral surface of the lower lid 512 (see FIG. 4), specifically the lower lid. A circular transition portion 5129 is formed between the body inserting portion 5123 and the peripheral side plate 5126 of the lower cover. The arcuate transition 5129 prevents the bottom lid 512 from getting too close to the top surface of the freshener box 400 and provides a working space for the user to perform displacement movements on the vacuum takeover assembly 510 . .

In some embodiments of the present disclosure, a through hole 51263 is provided in the rear end of the peripheral edge side plate 5126 of the lower cover (see FIG. 5), and the evacuation pipe line 520 pulled out from the first pipe joint 5251 is through the through hole. 51263 enters the inside of the mounting base 600 . The through-hole 51263 extends vertically such that the through-hole 51263 provides a large operating space for the vacuum line 520 as the vacuum take-over assembly 510 moves.

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

The upper lid body 511 is provided with an annular upper lid body projection part 5111, the upper lid body projection part 5111 extends toward the lower lid body 512, the upper lid body projection part 5111 is provided with a first pipe joint 5251, and the vacuum is The pull pipe line 520 is connected to the first pipe joint 5251 . The lower lid 512 is provided with an annular lower lid protrusion (denoted as lower lid protrusion I 5121), and the lower lid protrusion I 5121 extends toward the upper lid 511 and extends toward the lower lid 512. A lower lid intake port 5127 is provided in a region surrounded by the lower lid projecting portion I 5121 . The upper lid projecting portion 5111 is fitted around the outer periphery of the lower lid projecting portion I 5121 and contacts 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. 7, the second magnet 5112 is provided within the area surrounded by the upper lid protrusion 5111, while the lower lid protrusion I 5121 is protected against the second magnet 5112. This prevents the second magnet 5112 from falling due to a defective mounting structure and covering the lower lid suction port 5127 to affect the evacuation process.

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

By realizing the attachment of the vacuum takeover assembly 510 through the mounting base 600, on the one hand, the processing of the door 200 is facilitated, and the door 200 does not need to undergo excessive structural changes, depending on the structure of the mounting base 600. It only needs to adaptively adjust the structure of the door; on the other hand, depending on how the vacuum take-over assembly 510 is mounted, only the local structure of the mounting base 600 needs to be adjusted. From the above two perspectives, mounting the vacuum takeover assembly 510 through the mounting base 600 greatly reduces the manufacturing cost and research and development cost of the product.

The mounting base 600 also provides space for mounting the wiring of the evacuation line 520 and associated electrical components for controlling the activation and deactivation of the evacuation assembly 500 .

8 to 15 can be referred to for the structure of the mounting base 600. FIG. As further shown in FIGS. 2 and 3, the mounting base 600 is provided on the door 200 such that at least a portion of the mounting base 600 is exposed from the inside of the door 200 (i.e., the door liner 220) and the other portion is exposed from the door. provided in 200 foam layers.

The vacuum takeover assembly 510 is connected to the portion 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.

Since a part of the mounting base 600 is provided in the foam layer of the door 200, the mounting reliability of the mounting base 600 can be enhanced, and the evacuation pipe 520 and the evacuation assembly 500 can be improved. Mounting space can be provided for wiring of associated 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 200, and a cavity 613 is formed within the mounting substrate 610. , the cavity 613 provides mounting space for the wiring of electrical components associated with the evacuation line 520 and the evacuation assembly 500 . The cavity 613 includes an opening 614 on the side of the door facing the liner 220 , and a mounting cover 620 is provided at the opening 614 to expose 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, the inner wall of the cavity 613 is provided with a plurality of engaging claw portions 618, and the mounting cover 620 is provided with a plurality of corresponding locking tool portions 623 to provide a plurality of engaging portions. The mounting substrate 610 and the mounting cover 620 are assembled by the one-to-one engagement between the claw portions 618 and the plurality of locking tool portions 623 .

If the mounting board 610 and the mounting cover 620 adopt a separate structure, the mounting cover 620 can be removed when the vacuum suction line 520 located in the cavity 613 or the electric parts need to be repaired, facilitating repair. can be

In another embodiment, mounting substrate 610 is integrally molded with mounting cover 620 . As shown in FIGS. 12 and 13, the unitary construction facilitates processing.

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

In the present disclosure, the extension 622 is provided to surround the left, right, and bottom sides of the opening 621, and the peripheral side plates 5126 on both the left and right sides of the lower lid 512 are rotatable with the left and right sides of the extension 622, respectively. connect to. The opening 621 faces the cavity 613 , specifically the lower cavity 6132 . The lower extension 622 acts as a limit to the downward pivoting range of the vacuum take-over assembly 510 .

FIG. 8 is a diagram illustrating a structure (separate type) of a mounting base according to some embodiments of the present disclosure; As shown in FIGS. 5 and 8, the two peripheral side plates 5126 on the left and right sides of the lower lid body 512 are provided with annular bosses 51262, respectively, and the extending portion 622 is provided with a corresponding round hole 6221 to form an annular boss. 5126 is rotatably mounted within round hole 6221 to provide a rotatable connection between lower lid 512 and extension 622 and also to provide rotatable mounting of vacuum takeover assembly 510. come true.

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

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

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

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

FIG. 14 is a diagram showing an assembly structure of the mounting base and the side frame of the door according to some embodiments of the present disclosure. FIG. 15 illustrates a partial structure of a door side frame according to some embodiments of the present disclosure; As shown in FIGS. 14 and 15, a stopper portion 251 is provided on the side facing the foam layer of the side frame 250 of the door. The stopper portion 251 has a plate-like structure, and a locking groove portion 2511 is provided in the stopper portion 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 connecting the mounting board 610 and the door body. A connection with the side frame 250 is realized.

In the present disclosure, in order to improve the strength of the stopper portion 251, the stopper portion 251 is provided with a plurality of reinforcing ribs 2513 extending in the horizontal direction. The locking grooves 2511 are formed between some of the reinforcing ribs 2513 , and the locking of the locking grooves 2511 and the first projections 6121 can limit the displacement of the mounting substrate 610 .

In some embodiments of the present disclosure, the stopper portion 251 is further provided with a stop rib 2512 and the second mounting substrate 612 is correspondingly provided with a second protrusion 6122 . A stop rib 2512 abuts the second protrusion 6122 along the horizontal direction to further increase the reliability of the restraint on the mounting substrate 610 .

FIG. 9 is a diagram showing the structure of the mounting base shown in FIG. 8 as seen from the back side. As shown in FIG. 9, the mounting substrate 610 is provided with a plurality of posts 616 that extend toward the outer wall of the door 200 (i.e., the door casing 210) and the outside of the door 200. It abuts against the wall to further enhance the mounting stability of the mounting substrate 610 within the foam layer.

10A and 10B are diagrams showing the structure of a mounting substrate in the mounting base shown in FIG. 8. FIG. 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 upper and lower two spaces, an upper cavity 6131 and a lower cavity 6132, respectively.

In the present disclosure, the second fitting 5252 is provided on the side wall of the lower cavity 6132 and the vacuum line 520 led out from the first fitting 5252 is connected to the second fitting 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 wiring holes 6133 for wiring.

The partition plate 615 allows the upper cavity 6131 to be used for wiring and the lower cavity 6132 to be used for piping. By separating the wiring and the piping, the internal structure becomes more orderly and repair and inspection are facilitated.

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

In some embodiments of the present disclosure, a key switch 900 includes a switch trigger plate 910 and a button 920, as shown in FIGS. 16-18. 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 pawl structures, and the switch trigger plate 910 is confined within the area enclosed by the plurality of pawl structures. The mounting cover 620 is provided with a mounting hole 624 at a position facing the switch trigger plate 910 , and the button 920 is movably provided in the mounting hole 624 . Button 920 is moveable along mounting hole 624 into or out of contact with switch trigger plate 910, thereby triggering key switch 900 response.

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

Although the above are only specific embodiments of the present disclosure, the protection scope of the present disclosure is not limited to them, and any modification or replacement that a person skilled in the art can easily conceive within the technical scope of the present disclosure is shall fall within the protection scope of the present disclosure. Therefore, the protection scope of this disclosure shall be governed by the scope of the claims.

100 - storage compartment, 110 - freezer compartment, 120 - refrigerator compartment 200 - door body 210 - door body casing 220 - door body liner 230 - upper end lid 240 - lower end lid 250 - side frame, 251 - stopper part, 2511 - Locking groove part, 2512 - Stop rib, 2513 - Reinforcement rib 260 - Shelf 300 - Warehouse body 400 - Preservation box, 410 - Storage cavity, 420 - Vacuum interface part, 421 - Recessed groove part, 422 - Vent, 423 - Relief Valve 500 - vacuum drawing assembly 510 - vacuum takeover assembly, 511 - top lid, 5111 - top lid protrusion, 5112 - second magnet, 5113 - third magnet, 5114 - screw mounting counterbore, 5115 - engagement pawl , 5116-decorative plate, 512-lower lid, 5121-lower lid protrusion I, 5122-lower lid protrusion II, 51221-vent, 5123-lower lid insertion portion, 5124-soft rubber portion, 5125 - bottom plate, 51251 - screw mounting post, 51252 - column, 5126 - peripheral side plate, 51261 - engagement groove, 51262 - annular boss, 51263 - through hole, 5127 - lower lid intake, 5128 - recess, 5129 - circle Arc transition, 513 - seal ring, 514 - screw, 515 - gas buffer case 520 - evacuation line, 5251 - first fitting, 5252 - second fitting 600 - mounting base 610 - mounting substrate, 611 - second 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-open port, 615 - Partition plate, 616 - Post, 617 - First magnet, 618 - Engagement claw part 620 - Mounting cover, 621 - Opening part, 622 - Extension part, 6221 - Round hole, 623 - Locking tool part, 624 - Mounting hole, 625—switch trigger plate mounting portion 900—key switch, 910—switch trigger plate, 920—button

Claims (8)

a storage room;
a door for opening and closing the storage compartment;
a preservation box having a storage cavity formed therein and connected to the door;
A vacuum assembly for applying a vacuum to the storage cavity, comprising a vacuum pump, a vacuum line and a vacuum takeover assembly, the vacuum line connecting the vacuum pump and the vacuum takeover assembly. a vacuum assembly in communication such that, with the vacuum takeover assembly connected to the safe box, the vacuum assembly is capable of drawing a vacuum on the storage cavity;
with
the vacuum takeover assembly is provided on the door, the door is provided with a key switch, the key switch can control starting and stopping of the vacuum pump;
A refrigerator characterized by: 2. The refrigerator according to claim 1, wherein said vacuum assembly immediately stops said vacuum pump when said key switch is pressed during the vacuuming process. a mounting base is provided on the door body, the mounting base includes a mounting substrate and a mounting cover, the mounting substrate is disposed within the foam layer of the door body, and a cavity is formed in the mounting substrate; The cavity includes an opening on the side facing the inside of the door body, the mounting cover is provided at the opening, and the vacuum takeover assembly is provided on the mounting cover and pulled out from the vacuum takeover assembly. 3. The refrigerator according to claim 1, wherein said evacuation pipeline is connected to said vacuum pump through said opening and said cavity. the key switch includes a switch trigger plate and a button;
A key switch mounting portion is provided on the side of the mounting cover facing the cavity, the switch trigger plate is provided in the key switch mounting portion, and a mounting hole is formed in the mounting cover at a position facing the switch trigger plate. wherein the button is movably provided within the mounting hole, and the button is movable along the mounting hole so as to contact or separate from the switch trigger plate. Item 3. The refrigerator according to item 3. A partition plate is provided in the cavity, and the partition plate divides the cavity into an upper cavity and a lower cavity arranged vertically;
the switch trigger plate is positioned 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 led out through the wiring hole;
A side wall of the lower cavity is provided with a second pipe joint, and the vacuum suction line drawn out from the vacuum take-over assembly passes through the lower cavity to the second pipe joint and further communicates with the vacuum pump. 5. The refrigerator according to claim 4, characterized in that: The mounting cover is provided with an opening, the opening is provided with an extension, the extension is provided to surround the left side, the right side and the bottom side of the opening, and the vacuum takeover assembly is provided. 6. The refrigerator according to claim 5, wherein both 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 faces the lower cavity. the freshness box is provided with a vacuum interface in communication with the storage cavity;
The vacuum take-over assembly includes an upper lid and a lower lid, an air flow passage is formed between the upper lid and the lower lid, and the vacuum suction line is connected to the upper lid or the lower lid. and communicates with the airflow passage, and the lower lid body is connected to the evacuation interface portion so as to communicate the airflow passage and the storage cavity. Refrigerator as described. The upper lid is provided with an annular upper lid protrusion, and the upper lid protrusion extends toward the lower lid;
The lower lid is provided with an annular lower lid projection, the lower lid projection extends toward the upper lid, and the lower lid has an area surrounded by the lower lid projection. is provided with a lower lid intake port, the lower lid protrusion is provided with a first pipe joint, and the evacuation pipe is connected to the first pipe joint;
8. The refrigerator according to claim 7, wherein the upper lid projecting portion is inserted in the inner periphery of the lower lid projecting portion, and a tip of the lower lid projecting portion abuts on the upper lid. .

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