Refrigerator

Abstract

The utility model relates to a refrigerator, which comprises a vacuum cabinet and a vacuumizing assembly, and is used for vacuumizing the interior of the vacuum cabinet so as to realize a vacuum fresh-keeping function without occupying the space in a storage chamber of a refrigerator body; the vacuum cabinet comprises a cabinet body, a storage cavity is formed in the cabinet body, and reinforcing ribs are arranged on the outer side wall of the cabinet body in a protruding mode; the cabinet door is used for opening or closing the storage cavity; and the shelf board is arranged in the storage cavity. The two transverse ends of the shelf board are detachably fixed to the left side wall and the right side wall of the storage cavity respectively, so that the space in the storage cavity is divided up and down; and the space in the storage cavity can be divided up and down through the shelf boards, so that the food materials in the storage cavity can be conveniently stored in a layered manner. When the storage cavity is vacuumized, the two ends of the shelf board can abut against the left side wall and the right side wall of the storage cavity respectively, so that the structural strength in the cabinet body is enhanced, the overall shape of the vacuum cabinet is kept, and deformation of the vacuum cabinet is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of refrigeration equipment, and particularly relates to a refrigerator. Background Art

[0002] A refrigerator is a container that uses the phase change of a refrigerant to generate a low-temperature environment for storing food materials, and it is one of the indispensable household appliances in people's home life. With the improvement of people's living standards, the requirements for refrigerators are also getting higher and higher.

[0003] In related refrigerators, the refrigerator generally includes a box body and a box door, and a storage compartment is formed inside the box body. The box door is arranged on the front side of the box body, and the box door is used to open and close the storage compartment. A vacuum fresh-keeping module is usually also provided in the refrigerator for vacuum fresh-keeping of food materials.

[0004] In the existing refrigerator industry, the vacuum fresh-keeping module is usually a vacuum drawer and a vacuum fresh-keeping box. The vacuum drawer is usually arranged inside the box body, which needs to occupy the space of the storage compartment and has a high cost. The vacuum fresh-keeping box is usually arranged on the box door, but the storage space of the vacuum fresh-keeping box is small, and the structural strength is insufficient after the space is enlarged. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a refrigerator to optimize the vacuum fresh-keeping structure in the refrigerator and increase the vacuum fresh-keeping space.

[0006] The purpose of the utility model can also be to provide a refrigerator to optimize the vacuum fresh-keeping structure in the refrigerator and increase the structural strength of the vacuum fresh-keeping module.

[0007] To solve the above technical problems, the utility model adopts the following technical solutions:

[0008] According to one aspect of the present utility model, the present utility model provides a refrigerator, which includes: a cabinet body forming an outer shell of the refrigerator, and a storage chamber is provided inside the cabinet body; a cabinet door provided on the cabinet body, and the cabinet door is used to open or close the storage chamber; a vacuum cabinet provided on the inner side of the cabinet door, and a storage cavity is provided inside the vacuum cabinet; when the cabinet door is closed, the vacuum cabinet can be arranged inside the storage chamber; a vacuum pumping assembly provided inside the cabinet door, and the vacuum pumping assembly is connected to the storage cavity, and the vacuum pumping assembly is used to pump vacuum in the storage cavity; wherein, the vacuum cabinet includes: a cabinet body provided on the inner side of the cabinet door, and the storage cavity is formed inside the cabinet body; a cabinet door rotatably connected to the cabinet body, and the cabinet door is used to open or close the storage cavity; a shelf provided inside the storage cavity, the shelf extends horizontally, and the two ends of the shelf in the horizontal direction are respectively detachably fixed on the left and right side walls of the storage cavity to divide the space inside the storage cavity into upper and lower parts; when the storage cavity is pumped vacuum, the two ends of the shelf can respectively abut against the left and right side walls of the storage cavity.

[0009] In some embodiments of the present application, there is a clearance fit between the horizontal end face of the shelf and the side wall of the storage cavity; when the storage cavity is not pumped vacuum, a first assembly gap is formed between the horizontal end face of the shelf and the side wall of the cavity.

[0010] In some embodiments of the present application, a horizontally extending blocking edge is convexly provided inside the cabinet body, and the blocking edge is provided on the rear side wall of the storage cavity; a second assembly gap is formed between the rear side edge of the shelf and the rear side wall of the storage cavity; the blocking edge is blocked above the rear side edge of the shelf, and the blocking edge can completely block the second assembly gap.

[0011] In some embodiments of the present application, a support rib is respectively provided on the left and right side walls of the storage cavity, and a support groove is provided on the support rib; the two ends of the shelf can respectively extend into and be arranged in a support groove, so that the two end parts of the shelf can respectively be supported on a support rib.

[0012] In some embodiments of the present application, the support groove extends along the front-rear direction of the cabinet body, and the front end of the support groove is open; the end part of the shelf can extend into and be arranged in the support groove through the front end opening of the support groove.

[0013] In some embodiments of the present application, elastic hooks are provided on the bottom surface of the shelf, and convex bumps are provided on the side wall of the support rib; when the end part of the shelf extends into and is arranged in the support groove through the front end opening of the support groove, the elastic hooks can be engaged with the convex bumps, and the elastic hooks and the convex bumps are hidden under the shelf.

[0014] In some embodiments of the present application, the clamping protrusion protrudes from the side wall of the supporting rib facing the center of the storage cavity, and the clamping protrusion is located at the rear side of the supporting groove; a fitting portion and a notch area are respectively formed at the left and right ends of the laminate. The fitting portion can be inserted and supported in the supporting groove, and the notch area is located at the rear side of the fitting portion; the elastic catch is located on the side close to the center of the storage cavity of the notch area, and the elastic catch faces the notch area; when the fitting portion can be inserted and supported in the supporting groove, the side edge of the notch area abuts against the side wall of the supporting rib facing the center of the storage cavity, and the elastic catch can be engaged with the clamping protrusion.

[0015] In some embodiments of the present application, reinforcing ribs protrude from the bottom surface of the laminate; one end of the elastic catch is connected to the reinforcing rib on the bottom surface of the laminate; the other end of the elastic catch is the free end and extends towards the rear wall direction of the storage cavity; the free end of the elastic catch is arranged inside the notch area, and a hook portion facing the notch area is provided on the free end of the elastic catch, and the hook portion can be engaged with the clamping protrusion.

[0016] In some embodiments of the present application, reinforcing ribs protrude from the outer side wall of the cabinet body.

[0017] In some embodiments of the present application, the vacuum cabinet includes side plates and a top plate; the side plates cover the reinforcing ribs on the side wall of the cabinet body; the top cover covers the reinforcing ribs outside the top wall of the cabinet body.

[0018] The embodiments of the present utility model have the following advantages and positive effects:

[0019] In the refrigerator of the embodiment of the present utility model, a vacuum cabinet is arranged inside the refrigerator door, and the vacuum pumping assembly inside the door can be used to pump the storage cavity inside the vacuum cabinet into a vacuum, thereby realizing the vacuum fresh-keeping function without occupying the space in the storage compartment of the box body. The vacuum cabinet includes a cabinet body and a cabinet door, and the storage cavity is formed inside the cabinet body, which can form a relatively large storage space. By using the laminate inside the cabinet body, the space inside the storage cavity can be divided vertically, facilitating the layered storage of the food materials in the storage cavity. When pumping the storage cavity inside the cabinet body into a vacuum, the two ends of the laminate are respectively abutted against the cavity wall of the storage cavity to strengthen the internal structure strength of the cabinet body, which is beneficial to maintaining the overall shape of the vacuum cabinet and preventing the vacuum cabinet from deforming. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a schematic structural diagram of a refrigerator according to an embodiment of the present utility model.

[0021] Figure 2 is Figure 1 a schematic structural diagram of the refrigerator door and the vacuum cabinet in

[0022] Figure 3 is Figure 2 a schematic diagram of the decomposition structure of

[0023] Figure 4 is Figure 3 a magnified structure diagram of area A in

[0024] Figure 5 is Figure 3 a schematic diagram of the decomposition structure of the cabinet door in

[0025] Figure 6 is Figure 3 a structure diagram of the vacuum cabinet in

[0026] Figure 7 is Figure 6 a structure diagram in another state

[0027] Figure 8 is Figure 6 a schematic diagram of the decomposition structure of

[0028] Figure 9 is Figure 6 a structure diagram from another perspective

[0029] Figure 10 is Figure 9 a schematic diagram of the decomposition structure of

[0030] Figure 11 is Figure 7 a structure diagram of the cabinet body in

[0031] Figure 12 is Figure 11 a structure diagram of the sealing ring in

[0032] Figure 13 is Figure 12 a sectional view taken along the B-B direction in

[0033] Figure 14 is Figure 7 a structure diagram of the cabinet door in

[0034] Figure 15 is Figure 6 a sectional view of the vacuum cabinet in

[0035] Figure 16 is Figure 11 a schematic diagram of the decomposition structure of

[0036] Figure 17 is Figure 16 a magnified structure diagram of area C in

[0037] Figure 18 is Figure 16Schematic diagram of the middle layer board.

[0038] Figure 19 is Figure 18 Schematic diagram of the structure from another perspective.

[0039] Figure 20 is Figure 18 One side view.

[0040] Figure 21 is Figure 8 Partial exploded view in

[0041] Figure 22 is Figure 21 Partial structure diagram in

[0042] Figure 23 is Figure 22 One exploded view.

[0043] Figure 24 is Figure 22 One side view.

[0044] Figure 25 is Figure 24 Cross-sectional view in the D-D direction in

[0045] Figure 26 is Figure 22 Enlarged structure diagram of area E in

[0046] Figure 27 is Figure 26 Schematic diagram of the structure where the locking part and the lock tongue are engaged in

[0047] Figure 28 is Figure 27 One exploded view.

[0048] The descriptions of the reference numerals are as follows: 100, cabinet; 100a, storage chamber; 200, cabinet door; 201, door panel; 202, upper end cover; 203, lower end cover; 204, inner door liner; 2041, rib on the liner; 2042, support block; 2043, limit card slot; 2044, support platform; 301, vacuum pump; 302, vacuum pumping pipeline; 1, cabinet body; 10, storage cavity; 101, clamping block; 102, lock hole; 103, vacuum connection pipe; 104, pressure relief hole; 11, sealing ring; 111, connecting part; 112, elastic sealing part; 1121, elastic wall; 1122, sealing wall; 12, rotating seat; 14, shelf; 141, fitting part; 142, notch area; 143, elastic catch; 1431, hook part; 15, retaining edge; 16, support rib; 161, support groove; 162, clamping projection; 2, cabinet door; 21, lock tongue; 211, lock port; 22, avoidance groove; 3, side plate; 30, installation cavity; 31, first buckle; 32, absent area; 33, key hole; 4, top cover; 41, second buckle; 43, protruding part; 5, pressure relief valve; 6, connecting rod; 61, connecting arm; 62, key arm; 63, locking part; 631, lock block; 632, extrusion surface; 64, connecting rib; 7, key assembly; 8, elastic part. Detailed implementation manners

[0049] Typical implementation manners reflecting the features and advantages of the present utility model will be described in detail in the following description. It should be understood that the present utility model can have various changes in different implementation manners, all of which do not depart from the scope of the present utility model, and the descriptions and illustrations therein are essentially for illustrative purposes rather than for limiting the present utility model.

[0050] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus cannot be understood as a limitation to the present application.

[0051] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of the said features. In the description of the present application, "a plurality of" means two or more unless otherwise specifically defined.

[0052] In the description of the present application, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "linkage" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0053] In the existing refrigerator industry, the vacuum preservation module is usually a vacuum drawer and a vacuum preservation box. The vacuum drawer is usually arranged inside the box body, which needs to occupy the space of the storage compartment and has a relatively high cost. The vacuum preservation box is usually arranged on the box door, but the storage space of the vacuum preservation box is small, and the structural strength is insufficient after the space is enlarged.

[0054] Figure 1 It is a schematic structural diagram of a refrigerator according to an embodiment of the present invention.

[0055] Please refer to Figure 1 As shown, the refrigerator provided by the embodiment of the present invention may include a box body 100. The box body 100 may adopt a cuboid hollow structure. It can be understood that in other embodiments, the box body 100 may also adopt other shaped hollow shell structures.

[0056] In some embodiments, a storage compartment 100a may be formed inside the box body 100. The storage compartment 100a can be used as an independent storage space for use as a refrigerating compartment, a variable-temperature compartment, a freezing compartment, etc., to meet different storage requirements such as refrigeration and freezing according to different types of stored items.

[0057] In some embodiments, a plurality of storage compartments 100a may be provided inside the box body 100. The plurality of storage compartments 100a may be arranged in the box body 100 in an up-and-down or left-and-right partitioned manner.

[0058] Figure 2 is Figure 1 a schematic structural diagram of the box door 200 and the vacuum cabinet in

[0059] Please refer to Figures 1 to 2 As shown, in some embodiments, a box door 200 may be provided on the front side of the box body 100. The box door 200 can be used to open and close the storage compartment 100a. The box door 200 and the box body 100 may be connected by a hinge so that the box door 200 of the refrigerator can rotate around the axis of the hinge to open and close the box door 200 of the refrigerator, and then open or close the corresponding storage compartment 100a.

[0060] In some embodiments, a plurality of cabinet doors 200 may be provided. The plurality of cabinet doors 200 may be provided in one-to-one correspondence with a plurality of storage compartments 100a. It should be noted that, in other embodiments, a plurality of cabinet doors 200 may also open and close one storage compartment 100a simultaneously.

[0061] Please refer to Figures 1 to 2 As shown, in some embodiments, a liner (not labeled in the figure) may be provided inside the cabinet 100. The storage compartment 100a may be formed inside the liner. A plurality of liners may be provided inside the cabinet 100. The plurality of liners may be arranged in the cabinet 100 with upper and lower separation or left and right separation. One or more storage compartments 100a may be formed inside each liner.

[0062] In some embodiments, a foaming layer (not labeled in the figure) may be provided inside the cabinet 100. The foaming layer may be formed in the space between the outer wall of the liner and the inner wall of the cabinet 100. The foaming layer may be used to insulate the liner and the interior of the storage compartment 100a, achieving the heat preservation performance of the refrigerator.

[0063] Please refer to Figures 1 to 4 As shown, in some embodiments, a refrigeration system (not labeled in the figure) may be provided inside the cabinet 100. The refrigeration system may be provided inside the cabinet 100. The refrigeration system may be used to provide cold air inside the refrigerator to maintain a low-temperature environment in each storage compartment 100a.

[0064] In some embodiments, the refrigeration system may include a compressor, a condenser, a throttling device, and an evaporator. The compressor, the condenser, the throttling device, and the evaporator may be connected in sequence to form a refrigeration circuit. The refrigerant may circulate inside the refrigeration circuit to achieve refrigeration inside the cabinet 100.

[0065] Figure 3 is Figure 2 a schematic exploded view of Figure 4 is Figure 3 an enlarged schematic view of area A in Figure 5 is Figure 3 a schematic exploded view of the cabinet door 200 in

[0066] Please refer to Figures 2 to 5 As shown, in some embodiments, the cabinet door 200 may include a door panel 201. The door panel 201 may be provided on the front wall of the cabinet door 200. The door panel 201 may serve as the front appearance surface of the cabinet door 200.

[0067] In some embodiments, the cabinet door 200 may include an upper end cap 202. The upper end cap 202 may be provided in the top region of the cabinet door 200. The upper end cap 202 may be provided in the top region on the back surface of the door panel 201. The top surface of the upper end cap 202 may serve as the top-side appearance surface of the cabinet door 200. The upper end cap 202 may improve the structural strength of the top region of the cabinet door 200.

[0068] In some embodiments, the cabinet door 200 may include a lower end cap 203. The lower end cap 203 may be provided in the bottom region of the cabinet door 200. The lower end cap 203 may be provided in the bottom region on the back surface of the door panel 201. The bottom surface of the lower end cap 203 may serve as the bottom-side appearance surface of the cabinet door 200. The lower end cap 203 may improve the structural strength of the bottom region of the cabinet door 200.

[0069] In some embodiments, the cabinet door 200 may include a door inner liner 204. The door inner liner 204 may be provided on the inner sidewall of the cabinet door 200. The door inner liner 204 may be provided on the sidewall of the cabinet door 200 facing the storage compartment 100a. A foaming layer may be formed between the door inner liner 204 and the door panel 201 of the cabinet door 200. The foaming layer may be used for heat insulation between the interior of the cabinet door 200 and the interior of the storage compartment 100a, thereby realizing the heat preservation performance of the refrigerator.

[0070] Figure 6 Yes Figure 3 Schematic structural diagram of the vacuum cabinet. Figure 7 Yes Figure 6 Schematic structural diagram in another state.

[0071] Please refer to Figures 1 to 7 As shown, in some embodiments, the refrigerator may include a vacuum cabinet. The vacuum cabinet may be provided on the inner sidewall of the cabinet door 200. A storage cavity 10 may be formed in the vacuum cabinet. The storage cavity 10 may be used for evacuation, and thus a vacuum environment may be formed in the storage cavity 10, and thus it may be used for vacuum fresh-keeping of food ingredients.

[0072] Please refer to Figure 1 As shown, in some embodiments, when the cabinet door 200 is closed, the vacuum cabinet may be arranged in the storage compartment 100a, and by using the low-temperature environment in the storage compartment 100a, the vacuum cabinet is stored in a low-temperature environment, thereby realizing the vacuum low-temperature fresh-keeping function of food ingredients.

[0073] Please refer to Figure 3 As shown, in some embodiments, the refrigerator may include a vacuum pumping assembly. The vacuum pumping assembly may be communicated with the storage cavity 10 in the vacuum cabinet. The vacuum pumping assembly may be used for evacuating the storage cavity 10, and thus a vacuum environment may be formed in the storage cavity 10.

[0074] In some embodiments, the vacuum pumping assembly may include a vacuum pump 301 and a vacuum pumping pipeline 302. The vacuum pump 301 may communicate with the storage cavity 10 inside the vacuum cabinet through the vacuum pumping pipeline 302. The vacuum pump 301 may extract the gas inside the storage cavity 10 through the vacuum pumping pipeline 302, thereby creating a vacuum environment inside the storage cavity 10.

[0075] In some embodiments, the vacuum pump 301 may be provided inside the upper end cap 202. The vacuum pumping pipeline 302 may be disposed in the foaming layer between the door inner liners 204. Therefore, the vacuum pump 301 and the vacuum pumping pipeline 302 may not be exposed, and do not additionally occupy the space of the storage room 100a.

[0076] Please refer to Figures 6 to 7 As shown, in some embodiments, the vacuum cabinet may include a cabinet body 1. The cabinet body 1 may be disposed on the inner side wall of the cabinet door 200. The storage cavity 10 may be formed inside the cabinet body 1. An opening may be formed on the front wall of the cabinet body 1. The opening may communicate with the inside of the storage cavity 10.

[0077] In some embodiments, the vacuum cabinet may be disposed on the door inner liner 204. The door inner liner 204 may be convexly provided with rib strips 2041. The rib strips 2041 may be arranged to extend vertically. The rib strips 2041 may be arranged on the inner side wall of the cabinet door 200. There may be two rib strips 2041. The two rib strips 2041 may be arranged at intervals left and right on the inner side wall of the cabinet door 200. The vacuum cabinet may be disposed between the two rib strips 2041. The cabinet body 1 may be fixed in the area between the two rib strips 2041.

[0078] It should be noted that since the cabinet body 1 may be arranged in the area between the two rib strips 2041 on the inner side of the cabinet door 200. Therefore, the size of the cabinet body 1 is relatively large, and the space of the storage cavity 10 inside the cabinet body 1 is large enough, which is beneficial to meeting the space requirements of the storage cavity 10 in the vacuum cabinet, and can effectively solve the problem of the small storage space of the existing vacuum fresh-keeping box.

[0079] In some embodiments, a clamping block 101 may be respectively convexly provided on the left and right side walls of the cabinet body 1. The cabinet body 1 may be fixed on the rib strip 2041 through the clamping block 101, thereby fixing the cabinet body 1 of the vacuum cabinet in the area between the two rib strips 2041.

[0080] Please refer to Figures 4 to 7 As shown, in some embodiments, a support block 2042 may be convexly provided on the side wall of the rib strip 2041 facing the cabinet body 1. A limiting card slot 2043 is formed between the support block 2042 and the inner side wall of the cabinet door 200. The clamping block 101 can be inserted and fixed in the limiting card slot 2043, thereby fixing the cabinet body 1 on the side wall of the door inner liner 204.

[0081] In some embodiments, at least two support blocks 2042 may be provided. The at least two support blocks 2042 may be respectively disposed on the opposite side walls of the two rib members 2041. At least one support block 2042 may be respectively provided on the left and right side walls of the cabinet body 1. Therefore, the left and right side walls of the cabinet body 1 may be respectively clamped in the limit card slots 2043 inside the support blocks 2042 through at least one clamping block 101, thereby realizing the fixation of the cabinet body 1 in the area between the two rib members 2041.

[0082] In some embodiments, a plurality of support blocks 2042 may be arranged on the side wall of the rib member 2041. The plurality of support blocks 2042 may be arranged at intervals in the vertical direction on the side wall of the inner door liner 204. A plurality of clamping blocks 101 may be provided on the side wall of the cabinet body 1. The plurality of clamping blocks 101 may be arranged at intervals in the vertical direction on the side wall of the cabinet body 1. The plurality of clamping blocks 101 may be respectively clamped with the plurality of support blocks 2042 in one-to-one correspondence.

[0083] Please refer to Figures 2 to 5 As shown, in some embodiments, a support platform 2044 may be convexly provided on the inner side wall of the cabinet door 200. The support platform 2044 may be convexly provided on the inner door liner 204. The support platform 2044 may be provided in the area between the two rib members 2041. The support platform 2044 may be arranged to extend horizontally. The two horizontal ends of the support platform 2044 may be respectively connected to a rib member 2041. The support platform 2044 may be used to support the vacuum cabinet. When the cabinet body 1 is fixed between the two rib members 2041, the bottom of the cabinet body 1 can be supported on the support platform 2044.

[0084] Please refer to Figures 2 to 7 As shown, in some embodiments, the vacuum cabinet may include a cabinet door 2. The cabinet door 2 may be rotatably connected to the front side wall of the cabinet body 1. One side edge of the cabinet door 2 may be rotatably connected to the front side wall of the cabinet body 1.

[0085] In some embodiments, the rotation axis of the cabinet door 2 may be provided at one side edge of the cabinet door 2. The rotation axis of the cabinet door 2 may be arranged to extend along the height direction of the cabinet body 1.

[0086] In some embodiments, the rotation axis of the cabinet door 2 may be provided on the side of the cabinet body 1 away from the rotation axis of the cabinet door 200, so as to facilitate opening the cabinet door 2 further when the cabinet door 200 is opened.

[0087] Please refer to Figures 2 to 7 As shown, in some embodiments, a lock tongue 21 may be provided on the side of the cabinet door 2 away from its rotation axis. The cabinet door 2 may be locked and fixed to the cabinet body 1 through the lock tongue 21 to close the storage cavity 10. After the lock tongue 21 is unlocked from the cabinet body 1, the cabinet door 2 can be opened.

[0088] In some embodiments, the locking tongue 21 can protrude from the inner sidewall of the cabinet door 2. The locking tongue 21 can protrude and extend from the inner sidewall of the cabinet door 2 towards the cabinet body 1.

[0089] In some embodiments, a lock hole 102 can be formed on the front sidewall of the cabinet body 1. When the cabinet door 2 is closed, the locking tongue 21 can be arranged opposite to the hole, and the locking tongue 21 can extend into and be arranged inside the lock hole 102, and then be clamped or separated from the inside of the cabinet body 1 to realize the locking and unlocking of the cabinet door 2.

[0090] Please refer to Figure 7 As shown, in some embodiments, at least two locking tongues 21 are provided on the cabinet door 2. The two locking tongues 21 can be arranged at intervals along the height direction of the cabinet door 2. The two locking tongues 21 can be arranged at intervals along the axial direction of the rotation axis of the cabinet door 2. At least two lock holes 102 are formed on the front wall of the cabinet body 1. The two lock holes 102 can be arranged at intervals along the height direction of the cabinet body 1.

[0091] It should be noted that in other embodiments, the number and positions of the locking tongue 21 and the lock hole 102 can be adjusted as needed, which are not limited herein.

[0092] Figure 8 is Figure 6 a schematic exploded view of. Figure 9 is Figure 6 a schematic structural view from another perspective. Figure 10 is Figure 9 a schematic exploded view of.

[0093] Please refer to Figures 6 to 10 As shown, in some embodiments, the vacuum cabinet can include side plates 3. The side plates 3 can be fixed on the sidewalls of the cabinet body 1. There can be two side plates 3. The two side plates 3 can be respectively fixed on the left and right outer sidewalls of the cabinet body 1.

[0094] Please refer to Figure 8 and Figure 10 As shown, in some embodiments, the side plates 3 can be detachably fixed on the outer sidewalls of the cabinet body 1. A first buckle 31 can protrude from the sidewall of the side plate 3 facing the cabinet body 1. A first card hole (not labeled in the figure) can be formed on the corresponding outer sidewall of the cabinet body 1. The first buckle 31 can be clamped in the first card hole, and then the side plate 3 can be clamped and fixed on the outer sidewall of the cabinet body 1.

[0095] In some embodiments, a plurality of first buckles 31 can protrude from the side plate 3. The plurality of first buckles 31 can be circumferentially arranged at intervals on the circumferential side edge of the side plate 3. A plurality of first card holes can be formed on the corresponding outer sidewalls of the cabinet body 1. The plurality of first card holes can be arranged in one-to-one correspondence with the plurality of first buckles 31.

[0096] It should be noted that in other embodiments, the number and positions of the first buckle 31 and the first card hole can be adjusted as needed, which are not limited herein.

[0097] Please refer to Figures 6 to 10 As shown, in some embodiments, reinforcing ribs (not marked in the figure) can be respectively protruded on the left and right side walls of the cabinet body 1. The reinforcing ribs can be used to improve the structural strength of the left and right side walls of the cabinet body 1. When evacuating the storage cavity 10, the reinforcing ribs can help maintain the shape inside the cabinet body 1 and improve the structural strength of the cabinet body 1.

[0098] In some embodiments, the side plates 3 can cover the reinforcing ribs on the side walls of the cabinet body 1. The two side plates 3 can respectively cover the reinforcing ribs on the left and right side walls of the cabinet body 1, thereby maintaining the aesthetic appearance of the vacuum cabinet.

[0099] In some embodiments, reinforcing ribs can be provided on the side walls of the side plates 3 facing the cabinet body 1. The reinforcing ribs can be used to enhance the structural strength of the side plates 3.

[0100] In some embodiments, the clamping blocks 101 on the outer wall of the cabinet body 1 can be arranged outside the area corresponding to the reinforcing ribs. The side plates 3 can be provided with missing areas 32. When the side plates 3 cover the corresponding outer side walls of the cabinet body 1, the clamping blocks 101 can be arranged in the missing areas 32, and the clamping blocks 101 can be exposed outside the side plates 3.

[0101] Please refer to Figure 2 As shown, in some embodiments, when the cabinet body 1 of the vacuum cabinet is fixed between two bile ribs 2041, the bile ribs 2041 can cover the missing areas 32 and the clamping blocks 101, thereby maintaining the aesthetic appearance of the vacuum cabinet.

[0102] Please refer to Figures 6 to 10 As shown, in some embodiments, reinforcing ribs (not marked in the figure) can be provided on the bottom surface of the cabinet body 1. The reinforcing ribs can be used to improve the structural strength of the bottom side wall of the cabinet body 1. When evacuating the storage cavity 10, the reinforcing ribs can help maintain the shape inside the cabinet body 1 and improve the structural strength of the cabinet body 1.

[0103] Please refer to Figure 2 As shown, in some embodiments, when the cabinet body 1 is fixed between two bile ribs 2041, the bottom wall of the cabinet body 1 can be supported on the support platform 2044, and the support platform 2044 can cover some of the reinforcing ribs on the bottom surface of the cabinet body 1, thereby maintaining the aesthetic appearance of the vacuum cabinet. Some of the reinforcing ribs on the bottom surface of the cabinet body 1 that are not covered are located at the bottom of the cabinet body 1 and are difficult to be seen, so they will not affect the aesthetic appearance of the vacuum cabinet.

[0104] It should be noted that in other embodiments, the support platform 2044 may also cover the entire bottom surface of the cabinet body 1, and thus cover all the reinforcing ribs on the bottom wall of the cabinet body 1.

[0105] Please refer to Figures 6 to 10 As shown, in some embodiments, reinforcing ribs may be provided on the outer side of the top wall of the cabinet body 1. The reinforcing ribs can be used to improve the structural strength of the top wall of the cabinet body 1. When evacuating the storage cavity 10, the reinforcing ribs can help maintain the shape inside the cabinet body 1 and improve the structural strength of the cabinet body 1.

[0106] In some embodiments, the vacuum cabinet may include a top cover 4. The top cover 4 can cover the reinforcing ribs on the outer side of the top wall of the cabinet body 1, thereby maintaining the aesthetic appearance of the vacuum cabinet.

[0107] In some embodiments, reinforcing ribs (not marked in the figure) may be provided on the bottom side wall of the top cover 4 facing the cabinet body 1. The reinforcing ribs can be used to enhance the structural strength of the top cover 4.

[0108] In some embodiments, the top cover 4 may be detachably fixed to the top side wall of the cabinet body 1. A second buckle 41 may protrude from the bottom wall of the top cover 4 facing the cabinet body 1. A second card hole (not marked in the figure) may be formed on the top side wall of the cabinet body 1. The second buckle 41 can be snapped into the second card hole, so that the top cover 4 can be snap-fitted and fixed above the top wall of the cabinet body 1.

[0109] In some embodiments, a plurality of second buckles 41 may protrude from the top cover 4. The plurality of second buckles 41 may be circumferentially spaced and arranged at the circumferential side edge of the top cover 4. A plurality of second card holes may be formed on the top wall of the cabinet body 1. The plurality of second card holes may be arranged in one-to-one correspondence with the plurality of second buckles 41.

[0110] It should be noted that in other embodiments, the number and positions of the second buckle 41 and the second card hole can be adjusted as needed, and are not limited herein.

[0111] Please refer to Figures 6 to 10 As shown, in some embodiments, reinforcing ribs (not marked in the figure) may be provided on the back surface of the cabinet body 1. The reinforcing ribs can be used to improve the structural strength of the rear wall of the cabinet body 1. When evacuating the storage cavity 10, the reinforcing ribs can help maintain the shape inside the cabinet body 1 and improve the structural strength of the cabinet body 1.

[0112] Please refer to Figure 2 As shown, when the cabinet body 1 is disposed inside the cabinet door 200, the reinforcing ribs on the back surface of the cabinet body 1 can be hidden between the back surface of the cabinet body 1 and the inner side wall of the cabinet door 200, thereby maintaining the aesthetic appearance of the vacuum cabinet.

[0113] Please refer to Figures 9 to 10As shown, in some embodiments, a vacuum connection pipe 103 may protrude from the back surface of the cabinet body 1. The vacuum connection pipe 103 may communicate with the storage cavity 10 inside the cabinet body 1. When the cabinet body 1 is disposed on the inner sidewall of the cabinet door 200, the vacuum pumping pipeline 302 may be connected to the vacuum connection pipe 103. Therefore, the vacuum pump 301 may extract the air inside the storage cavity 10 through the vacuum pumping pipeline 302 and the vacuum connection pipe 103, so that a vacuum environment may be formed inside the storage cavity 10.

[0114] Figure 11 is Figure 7 a schematic structural view of the cabinet body 1 in Figure 12 is Figure 11 a schematic structural view of the sealing ring 11 in Figure 13 is Figure 12 a cross-sectional view taken along the line B-B in

[0115] Please refer to Figures 6 to 13 As shown, in some embodiments, a sealing ring 11 may be provided on the front wall of the cabinet body 1. The sealing ring 11 may be annular. The sealing ring 11 may be circumferentially arranged around the peripheral side edge of the front side opening of the storage cavity 10. When the cabinet door 2 is closed and locked, the inner sidewall of the cabinet door 2 can abut against the sealing ring 11, thereby sealing the storage cavity 10. At this time, the locking tongue 21 can be clamped and locked with the cabinet body 1, thereby clamping the sealing ring 11 between the front wall of the cabinet body 1 and the inner sidewall of the cabinet door 2, and sealing the gap between the front wall of the cabinet body 1 and the inner sidewall of the cabinet door 2 through the sealing ring 11, thereby sealing the storage cavity 10.

[0116] Please refer to Figure 13 As shown, in some embodiments, in the cross-sectional view of the sealing ring 11, the sealing ring 11 may include a connecting portion 111. The connecting portion 111 may be located on the back of the sealing ring 11. The connecting portion 111 may be used to connect to the front wall of the box body 100. The connecting portion 111 may be annular. The connecting portion 111 may be circumferentially arranged around the peripheral side edge of the front side opening of the storage cavity 10.

[0117] In some embodiments, an installation groove (not shown in the figure) may be formed on the front wall of the cabinet body 1. The installation groove may be annular. The installation groove may be circumferentially arranged around the periphery of the front side opening of the storage cavity 10. The connecting portion 111 may be embedded in the installation groove, thereby fixing the sealing ring 11 on the front wall of the cabinet body 1.

[0118] Please refer to Figure 13As shown, in some embodiments, in the cross-sectional view of the sealing ring 11, the sealing ring 11 may include an elastic sealing portion 112. The connecting portion 111 and the elastic sealing portion 112 may be integrally connected. The elastic sealing portion 112 may be located at the front of the sealing ring 11. The elastic sealing portion 112 may be arranged to protrude forward from the front end surface of the connecting portion 111. The elastic sealing portion 112 may protrude out of the front wall of the cabinet body 1. The elastic sealing portion 112 may be used to abut against the inner side wall of the cabinet door 2. When the cabinet door 2 is closed and locked, the inner side wall of the cabinet door 2 can abut against the elastic sealing portion 112, making the sealing ring 11 in sealed contact with the cabinet door 2, and then sealing the storage cavity 10.

[0119] Please refer to Figure 13 As shown, in some embodiments, the elastic sealing portion 112 includes an integrally connected elastic wall 1121 and a sealing wall 1122. The elastic wall 1121 may be arranged to protrude forward from the front end surface of the connecting portion 111. The sealing wall 1122 may be bent and extended in the circumferential direction of the front side opening of the storage cavity 10 from the front end of the elastic wall 1121. When the cabinet door 2 is locked and closed, the inner side wall of the cabinet door 2 can be in sealed contact with the sealing wall 1122, and can squeeze the elastic wall 1121 through the sealing wall 1122, making the sealing ring 11 in sealed contact with the cabinet door 2, and then sealing the storage cavity 10.

[0120] In some embodiments, when the lock tongue 21 is separated from the cabinet body 1 and the cabinet door 2 is unlocked, the elastic restoring force of the elastic wall 1121, that is, the elastic force of the elastic sealing portion 112, can provide a certain opening force, and then make the cabinet door 2 automatically open at a certain angle, which is convenient for the user to easily open the cabinet door 2.

[0121] Figure 14 is Figure 7 the schematic structural view of the cabinet door 2 in Figure 15 is Figure 9 the schematic structural view from another perspective.

[0122] Please refer to Figures 11 to 15 As shown, in some embodiments, a rotating seat 12 may protrude from the front side wall of the cabinet body 1. The rotating seat 12 may be arranged on one side of the storage cavity 10. A positioning groove 22 may be recessed at one side edge of the cabinet door 2 and arranged opposite to the rotating seat 12. The rotating seat 12 may be rotatably connected in the positioning groove 22. When the cabinet door 2 rotates relative to the cabinet body 1, the rotating seat 12 may rotate relative to the positioning groove 22.

[0123] In some embodiments, a plurality of rotating seats 12 may protrude from the front sidewall of the cabinet body 1. The plurality of rotating seats 12 may be arranged at intervals along the height direction of the cabinet body 1. The axes of the plurality of rotating seats 12 may be located on the same axis, and the axes of the plurality of rotating seats 12 may be arranged on the rotating shaft of the cabinet door 2. A plurality of avoiding slots 22 may be provided at one side edge of the cabinet door 2. The plurality of avoiding slots 22 may be arranged at intervals along the height direction of the cabinet door 2. The plurality of avoiding slots 22 may be connected to the plurality of rotating seats 12 in a one-to-one correspondence.

[0124] It should be noted that in some other embodiments, the number and positions of the rotating seats 12 and the avoiding slots 22 may be adjusted as needed, and are not limited herein.

[0125] Please refer to Figures 14 to 15 As shown, in some embodiments, the front end of the top cover 4 may protrude from the front wall of the cabinet body 1. The front end of the top cover 4 may form a protruding portion 43. The protruding portion 43 may protrude from the front wall of the cabinet body 1. When the cabinet door 2 is closed, the protruding portion 43 can cover at least a part of the top surface of the cabinet door 2.

[0126] In some embodiments, the width of the protruding portion 43 is the same as the thickness of the cabinet door 2. When the cabinet door 2 is closed, the protruding portion 43 can cover the entire top surface of the cabinet door 2.

[0127] It should be noted that in other embodiments, the width of the protruding portion 43 may also be greater than or less than the thickness of the cabinet door 2.

[0128] Figure 16 is Figure 13 a schematic exploded structure diagram of

[0129] Please refer to Figure 13 and Figure 16 As shown, in some embodiments, a shelf 14 may be provided inside the cabinet body 1. The shelf 14 may be disposed in the storage cavity 10. The shelf 14 may be a plate-like structural member. The shelf 14 may extend horizontally. Both ends of the shelf 14 may be detachably fixed to the left and right sidewalls of the storage cavity 10. Both ends of the shelf 14 may be detachably fixed to the left and right inner sidewalls of the cabinet body 1. The shelf 14 may be used to divide the space inside the storage cavity 10 vertically, which is convenient for storing food materials in the storage cavity 10 in layers.

[0130] In some embodiments, when the storage cavity 10 is evacuated by the evacuation assembly, the cabinet body 1 of the vacuum cabinet may deform inward under the action of the external pressure. Both ends of the shelf 14 can respectively abut against the left and right sidewalls of the storage cavity 10, which can strengthen the internal structural strength of the cabinet body 1, is beneficial to maintaining the overall shape of the vacuum cabinet, and prevents the vacuum cabinet from deforming inward.

[0131] In some embodiments, there may be a clearance fit between the lateral end faces of the shelf board 14 and the side walls of the storage cavity 10. When the storage cavity 10 is not evacuated, a first assembly gap (not shown in the figure) may be formed between the lateral end faces of the shelf board 14 and the side walls of the storage cavity 10. The width of the first assembly gap can be adjusted as needed and is not limited herein. When the storage cavity 10 is evacuated by the evacuation assembly, the cabinet body 1 deforms inward under the action of the external pressure, so that the left and right side walls of the storage cavity 10 abut against the left and right ends of the shelf board 14. At this time, the gap width of the first assembly gap becomes zero, and the shelf board 14 can prevent the left and right side walls of the cabinet body 1 from continuing to deform inward, thereby maintaining the overall shape of the vacuum cabinet and strengthening the internal structural strength of the cabinet body 1.

[0132] Please refer to Figure 13 and Figure 16 As shown, in some embodiments, a laterally extending retaining edge 15 may protrude inside the cabinet body 1. The retaining edge 15 may be provided on the rear side wall of the storage cavity 10. A second assembly gap (not shown in the figure) may be formed between the rear side edge of the shelf board 14 and the rear side wall of the storage cavity 10. The retaining edge 15 can cover the upper side of the rear side edge of the shelf board 14. The retaining edge 15 can completely cover the second assembly gap, preventing the food ingredients on the shelf from entering the second assembly gap and avoiding the second assembly gap from affecting the appearance of the product.

[0133] In some embodiments, the gap width of the second assembly gap can be designed as needed and is not limited herein. The width of the retaining edge 15 can be greater than the gap width of the second assembly gap, so that the retaining edge 15 can completely cover the second assembly gap.

[0134] In some embodiments, the length of the retaining edge 15 can be greater than or equal to the lateral length of the shelf board 14, so that the retaining edge 15 can completely cover the second assembly gap between the rear side edge of the shelf board 14 and the rear side wall of the storage cavity 10.

[0135] Figure 17 is Figure 16 The enlarged structural schematic diagram of area C in.

[0136] Please refer to Figure 13 、 Figure 16 and Figure 17 As shown, in some embodiments, a support rib 16 may protrude from each of the left and right side walls of the storage cavity 10. The support rib 16 may be arranged to extend in a strip shape. The support rib 16 may be arranged to extend in the front-rear direction of the cabinet body 1. A support groove 161 may be formed on the support rib 16. The left and right end portions of the shelf board 14 can respectively extend into and be arranged in a support groove 161, so that the two end portions of the shelf board 14 can respectively be supported on a support rib 16.

[0137] In some embodiments, the support groove 161 may be arranged to extend in the front-rear direction of the cabinet body 1. An opening may be provided at the front end of the support groove 161. The end of the shelf 14 can extend into the support groove 161 through the front opening of the support groove 161, and the end of the shelf 14 can slide back and forth along the support groove 161 to facilitate the installation of the shelf 14 in the storage cavity 10.

[0138] It should be noted that in some other embodiments, the support groove 161 may also be directly recessed on the left and right cavity walls of the storage cavity 10.

[0139] Figure 18 Yes Figure 16 is a schematic structural view of the shelf 14. Figure 19 Yes Figure 18 is a schematic structural view from another perspective. Figure 20 Yes Figure 18 is a side view of...

[0140] Please refer to Figures 13 to 20 As shown, in some embodiments, elastic hooks 143 may be provided on the bottom surface of the shelf 14. A clamping protrusion 162 may protrude from the side wall of the support rib 16. When the end of the shelf 14 extends into the support groove 161 through the front opening of the support groove 161, the elastic hook 143 can be clamped with the clamping protrusion 162, so that the end of the shelf 14 can be limited and fixed in the support groove 161 to prevent the end of the shelf 14 from easily detaching from the support groove 161.

[0141] In some embodiments, when the end of the shelf 14 extends into the support groove 161 through the front opening of the support groove 161, the shelf 14 can cover the elastic hook 143 and the clamping protrusion 162, hiding the elastic hook 143 and the clamping protrusion 162 under the shelf 14 to avoid affecting the appearance beauty.

[0142] In some embodiments, the clamping protrusion 162 may protrude from the side wall of the support rib 16 facing the center of the storage cavity 10. The clamping protrusion 162 may be located at the rear side of the support groove 161. The elastic hook 143 may be arranged facing the inner side wall of the cabinet body 1, so that the elastic hook 143 can be arranged facing the clamping protrusion 162. It should be noted that in some other embodiments, the clamping protrusion 162 may also protrude from other side walls of the support rib 16.

[0143] Please refer to Figure 13 , Figures 16 to 20As shown, in some embodiments, an engaging portion 141 and a notch area 142 may be formed at the end of the laminate 14. The notch area 142 may be located at the rear side of the engaging portion 141. When the shelf is installed in the storage cavity 10, the engaging portion 141 can extend into and be supported in the support groove 161. The engaging portion 141 can extend into and be arranged in the support groove 161 through the front end opening of the support groove 161, and the engaging portion 141 can be supported in the support groove 161.

[0144] In some embodiments, the elastic hook 143 may be located on the side of the notch area 142 closer to the center of the storage cavity 10. The elastic hook 143 may be located on the side of the laminate 14 at the center of the notch area 142. When the engaging portion 141 extends into and is supported in the support groove 161, the side edge of the notch area 142 can abut against the side wall of the support rib 16 facing the center of the storage cavity 10, and the elastic hook 143 can be engaged with the convex 162, thereby hiding the elastic hook 143 and the convex 162 under the laminate 14 to avoid affecting the appearance.

[0145] In some embodiments, an engaging portion 141 and a notch area 142 may be respectively formed at the left and right ends of the laminate 14. The two engaging portions 141 can respectively extend into and be supported in the support grooves 161 of a support rib 16. The side edges of the two notch areas 142 can respectively abut against the side walls of a support rib 16 facing the center of the storage cavity 10.

[0146] In some embodiments, there may be two elastic hooks 143. The two elastic hooks 143 may be respectively located on the side of the laminate 14 at the center of a notch area 142. The two elastic hooks 143 can be respectively engaged with the convexes 162 of a support rib 16.

[0147] Please refer to Figure 19 As shown, in some embodiments, reinforcing ribs may protrude from the bottom surface of the laminate 14. The reinforcing ribs can enhance the structural strength of the laminate 14. When the engaging portion 141 extends into and is supported in the support groove 161, the side edge of the notch area 142 can abut against the side wall of the support rib 16 facing the center of the storage cavity 10, and the elastic hook 143 can be engaged with the convex 162

[0148] Please refer to Figures 16 to 20As shown, in some embodiments, one end of the elastic catch 143 can be connected to the reinforcing rib on the bottom surface of the shelf 14. The other end of the elastic catch 143 can be an automatic end, and the automatic end of the elastic catch 143 can extend towards the rear wall direction of the storage cavity 10. The elastic catch 143 can extend along the front-back direction of the cabinet body 1. The free end of the elastic catch 143 can be arranged inside the notch area 142. The free end of the elastic catch 143 can be arranged on the side of the notch area 142 close to the center of the shelf 14. A hook portion 1431 facing the notch area 142 can be provided on the free end of the elastic catch 143. When the fitting portion 141 extends into and is supported in the support groove 161, the hook portion 1431 of the elastic catch 143 can be engaged with the locking projection 162 on the support rib 16.

[0149] In some embodiments, a first inclined surface (not marked in the figure) can be provided on the side of the locking projection 162 facing the support groove 161. A second inclined surface matching the first inclined surface can be provided on the hook portion 1431 of the elastic catch 143. When the fitting portion 141 slides into the support groove 161 through the front end opening of the support groove 161, the second inclined surface of the hook portion 1431 can abut against the first inclined surface of the locking projection 162, forcing the automatic end of the elastic catch 143 to bend and deform towards the center direction of the storage cavity 10. When the second inclined surface passes over the first inclined surface of the locking projection 162, the automatic end of the elastic catch 143 can recover its deformation, enabling the hook portion 1431 of the elastic catch 143 to be engaged with the locking projection 162 on the support rib 16, locking and fixing the fitting portion 141 in the support groove 161.

[0150] Please refer to Figures 16 to 20 As shown, in some embodiments, the left and right ends of the retaining edge 15 can be respectively connected to a support rib 16. The top surface of the retaining edge 15 can be arranged flush with the top surface of the support rib 16.

[0151] Figure 21 is Figure 8 a partial exploded structural schematic diagram in Figure 22 is Figure 21 a partial structural schematic diagram in Figure 23 is Figure 22 an exploded structural schematic diagram of Figure 24 is Figure 22 a side view of Figure 25 is Figure 24 a cross-sectional view taken along the D-D direction in

[0152] Please refer to Figures 8 to 25As shown, in some embodiments, a pressure relief hole 104 may be formed in the side wall of the cabinet body 1. The pressure relief hole 104 may communicate with the storage cavity 10. External gas may enter the storage cavity 10 through the pressure relief hole 104, so that the air pressure in the storage cavity 10 is balanced with that outside the cabinet body 1, enabling the cabinet door 2 to be easily opened.

[0153] In some embodiments, the vacuum cabinet may include a pressure relief valve 5. The pressure relief valve 5 may be made of a flexible material such as rubber. The pressure relief valve 5 may be arranged on the outer side of the cabinet body 1. The pressure relief valve 5 may be used to open or close the pressure relief hole 104. When the cabinet door 2 is closed and the pressure relief valve 5 closes the pressure relief hole 104, the storage cavity 10 may be isolated from the outside of the cabinet body 1, enabling the air in the storage cavity 10 to be extracted by the vacuum assembly to form a vacuum environment. When it is necessary to open the cabinet door 2, the pressure relief hole 104 may be opened through the pressure relief valve 5, allowing external gas to enter the storage cavity 10 through the pressure relief hole 104, thereby enabling the cabinet door 2 to be easily opened.

[0154] In some embodiments, the pressure relief valve 5 may be rotatably provided on the outer side of the side wall of the cabinet body 1. When the pressure relief valve 5 rotates towards the direction close to the side wall of the cabinet body 1, the pressure relief valve 5 may tightly close the pressure relief hole 104. When the pressure relief valve 5 rotates away from the side wall of the cabinet body 1, the pressure relief valve 5 may open the pressure relief hole 104.

[0155] Please refer to Figures 6 to 18 As shown, in some embodiments, the pressure relief hole 104 may be provided on the side wall of the cabinet body 1 away from the rotation axis of the cabinet door 2. The pressure relief valve 5 may be provided on the outer side of the side wall of the cabinet body 1 away from the rotation axis of the cabinet door 2.

[0156] In some embodiments, the pressure relief hole 104 may be provided on the side wall of the cabinet body 1 close to the lock tongue 21. The pressure relief valve 5 may be provided on the outer side of the side wall of the cabinet body 1 close to the lock tongue 21.

[0157] Please refer to Figure 8 and Figure 18 As shown, in some embodiments, an installation cavity 30 may be provided between the side plate 3 and the side wall of the cabinet body 1. The installation cavity 30 may be formed between the side wall of the cabinet body 1 away from the rotation axis of the cabinet door 2 and the corresponding side plate 3. The pressure relief valve 5 may be provided in the installation cavity 30. When the pressure relief valve 5 opens the pressure relief hole 104, the pressure relief hole 104 may communicate the installation cavity 30 and the storage cavity 10 inside the cabinet body 1.

[0158] Please refer to Figures 8 to 23As shown, in some embodiments, the vacuum cabinet may include a connecting rod 6. The connecting rod 6 may be rotatably arranged on the side wall of the cabinet body 1. The connecting rod 6 may be rotatably arranged in the installation cavity 30. The connecting rod 6 may be arranged to extend along the direction of its rotation axis. The connecting rod 6 may be arranged to extend along the height direction of the cabinet body 1. The connecting rod 6 may be connected to the pressure relief valve 5. The connecting rod 6 may be arranged on the side of the pressure relief valve 5 close to the cabinet door 2. The connecting rod 6 may be arranged in the area between the pressure relief hole 104 and the cabinet door 2.

[0159] In some embodiments, the rotation axis of the connecting rod 6 and the rotation axis of the cabinet door 2 may be arranged in parallel at intervals.

[0160] When the connecting rod 6 rotates in one direction, the connecting rod 6 can drive the pressure relief valve 5 to rotate away from the side wall of the cabinet body 1, so that the pressure relief valve 5 can open the pressure relief hole 104. When the connecting rod 6 rotates in the opposite direction, the connecting rod 6 can drive the pressure relief valve 5 to rotate towards the side wall of the cabinet body 1, so that the pressure relief valve 5 can be pressed to close the pressure relief hole 104.

[0161] Please refer to Figures 18 to 23 As shown, in some embodiments, the pressure relief holes 104 may be arranged at intervals on the side of the connecting rod 6 away from the cabinet door 2. The pressure relief valve 5 may be arranged at intervals on the side of the connecting rod 6 away from the cabinet door 2. A connecting arm 61 may protrude from the side of the connecting rod 6 away from the cabinet door 2. The connecting arm 61 may be arranged to extend towards the pressure relief hole 104. The pressure relief valve 5 may be arranged on the connecting arm 61. The pressure relief valve 5 may protrude from the side wall of the connecting arm 61 facing the pressure relief hole 104. Therefore, the connecting rod 6 can drive the pressure relief valve 5 to rotate synchronously forward or backward through the connecting arm 61, so that the pressure relief valve 5 rotates towards or away from the side wall of the cabinet body 1, and further enables the pressure relief valve 5 to approach or move away from the pressure relief hole 104.

[0162] Please refer to Figures 8 to 23 As shown, in some embodiments, the vacuum cabinet may include a key assembly 7. The key assembly 7 may be arranged on the side of the connecting rod 6 away from the pressure relief valve 5. When the key assembly 7 is pressed, the key assembly 7 can rotate towards the side wall of the cabinet body 1 and can drive the pressure relief valve 5 to rotate away from the side wall of the cabinet body 1 through the connecting rod 6, so that the pressure relief valve 5 is separated from the pressure relief hole 104, and thus the pressure relief hole 104 can be opened.

[0163] Please refer to Figures 6 to 8 As shown, in some embodiments, a key hole 33 may be formed in the side plate 3. The key hole 33 may communicate with the installation cavity 30 between the side plate 3 and the side wall of the cabinet body 1. The key assembly 7 may be movably inserted through the key hole 33. The inner end of the key assembly 7 may be arranged in the installation cavity 30 and may be connected to the connecting rod 6. The outer end of the key assembly 7 may be exposed outside the side plate 3 through the key hole 33.

[0164] Please refer toFigures 8 to 23 As shown, in some embodiments, the vacuum cabinet may include an elastic member 8. The elastic member 8 may be connected to the connecting rod 6. The elastic member 8 may be disposed in the installation cavity 30. The elastic member 8 may be used to drive the connecting rod 6 to rotate, driving the pressure relief valve 5 to rotate towards the side wall of the cabinet body 1, so that the pressure relief valve 5 tightly closes the pressure relief hole 104. Therefore, when the user releases the button assembly 7, the connecting rod 6 and the button assembly 7 can automatically rotate under the elastic force of the elastic member 8, enabling the pressure relief valve 5 to automatically tightly close the pressure relief hole 104. When the user presses the button assembly 7, the connecting rod 6 can rotate reversely against the elastic force of the elastic member 8, driving the pressure relief valve 5 to rotate away from the side wall of the cabinet body 1, and further enabling the pressure relief valve 5 to open the pressure relief hole 104.

[0165] In some embodiments, a button arm 62 may protrude from the side of the connecting rod 6 away from the pressure relief valve 5. The button arm 62 may extend towards the cabinet door 2. The button assembly 7 may be disposed on the button arm 62. The button assembly 7 may be disposed on the side of the button arm 62 away from the cabinet body 1. Therefore, when the button assembly 7 is pressed by the user, the button assembly 7 can rotate towards the side of the cabinet body 1 against the elastic force of the elastic member 8, and drive the pressure relief valve 5 to rotate away from the side of the cabinet body 1 through the button arm 62 and the connecting rod 6, and further enable the pressure relief valve 5 to open the pressure relief hole 104.

[0166] Figure 26 is Figure 22 The enlarged structural schematic diagram of area E in Figure 27 is Figure 26 The structural schematic diagram of the locking portion 63 and the lock tongue 21 being engaged with each other in Figure 28 is Figure 27 One exploded structural schematic diagram of

[0167] Please refer to Figures 21 to 28 As shown, in some embodiments, a locking portion 63 may protrude from the side of the connecting rod 6 towards the cabinet door 2. The locking portion 63 may extend from the connecting rod 6 towards the cabinet door 2. The locking portion 63 may be disposed opposite to the lock tongue 21 on the cabinet door 2. The locking portion 63 and the pressure relief valve 5 may be located on opposite sides of the connecting rod 6. The locking portion 63 may be used to engage with or disengage from the lock tongue 21.

[0168] When the connecting rod 6 drives the locking portion 63 to rotate away from the cabinet body 1, the connecting rod 6 can drive the pressure relief valve 5 to rotate towards the cabinet body 1, so that the pressure relief valve 5 can tightly close the pressure relief hole 104. At this time, the locking portion 63 can be engaged with the lock tongue 21, enabling the locking portion 63 to be engaged on the side of the lock tongue 21 close to the cabinet body 1, and further locking and fixing the cabinet door 2 on the cabinet body 1.

[0169] When the connecting rod 6 drives the locking part 63 to rotate reversely towards the direction close to the cabinet body 1, the connecting rod 6 can drive the pressure relief valve 5 to rotate away from the cabinet body 1, so that the pressure relief valve 5 can move away from and open the pressure relief hole 104, allowing gas to enter the storage cavity 10, thereby balancing the air pressure inside and outside the storage cavity 10. At this time, the locking part 63 can be separated from the lock tongue 21, and then the cabinet door 2 is unlocked, enabling the cabinet door 2 to be easily opened.

[0170] In some embodiments, the elastic member 8 can protrude from the side wall of the locking part 63 close to the cabinet body 1. One end of the elastic member 8 can be connected to the locking part 63. The other end of the elastic member 8 can abut against the side wall of the cabinet body 1. The elastic member 8 can drive the connecting rod 6 to rotate, driving the locking part 63 to rotate away from the cabinet body 1, so that the locking part 63 can be engaged with the lock tongue 21, and the locking part 63 can be engaged on the side of the lock tongue 21 close to the cabinet body 1, thereby locking the cabinet door 2. At the same time, the elastic member 8 can drive the connecting rod 6 to drive the pressure relief valve 5 to rotate towards the side close to the cabinet body 1, so that the pressure relief valve 5 presses against and closes the pressure relief hole 104.

[0171] In some embodiments, when the button assembly 7 is pressed by the user, the button assembly 7 can overcome the elastic force of the elastic member 8 and rotate towards the side close to the cabinet body 1, and can drive the connecting rod 6 to rotate reversely against the elastic force of the elastic member 8, and can drive the connecting rod 6 to drive the locking part 63 to rotate towards the side close to the cabinet body 1, so that the locking part 63 can be separated from the lock tongue 21, and then the cabinet door 2 is unlocked.

[0172] It should be noted that in some other embodiments, the elastic member 8 may not be provided on the locking part 63. The elastic member 8 may also be provided at other positions of the connecting rod 6.

[0173] Please refer to Figures 7 to 28 As shown, in some embodiments, a lock opening 211 is formed on the lock tongue 21. The elastic member 8 can drive the connecting rod 6 to drive the locking part 63 to rotate away from the cabinet body 1, so that the locking part 63 is engaged with the lock opening 211 of the lock tongue 21, thereby locking the cabinet door 2. When the button assembly 7 is pressed by the user, the button assembly 7 can drive the connecting rod 6 to rotate reversely against the elastic force of the elastic member 8, and can drive the connecting rod 6 to drive the locking part 63 to rotate towards the side close to the cabinet body 1, so that the locking part 63 can be separated from the lock opening 211 of the lock tongue 21, and then the cabinet door 2 is unlocked.

[0174] It should be noted that in some other embodiments, the locking opening 211 may also be provided on the locking part 63. At this time, the elastic member 8 can drive the connecting rod 6 to drive the locking part 63 to rotate towards the side away from the cabinet body 1, so that the locking opening 211 of the locking part 63 is engaged with the locking opening 211 of the locking tongue 21, and then the cabinet door 2 can be locked. When the button assembly 7 is pressed by the user, the button assembly 7 can drive the connecting rod 6 to rotate reversely against the elastic force of the elastic member 8, and can drive the connecting rod 6 to drive the locking part 63 to rotate towards the side close to the cabinet body 1, so that the locking opening 211 of the locking part 63 can be separated from the locking tongue 21, and then the cabinet door 2 is unlocked.

[0175] Please refer to Figures 11 to 28 As shown, in some embodiments, when the locking part 63 is engaged with the locking opening 211 of the locking tongue 21, the cabinet door 2 is locked, and the inner side wall of the cabinet door 2 can abut against the sealing ring 11, thereby sealing the storage cavity 10. At this time, the elastic sealing part 112 of the sealing ring 11 is elastically compressed, and the sealing wall 1122 can squeeze the elastic wall 1121. When the locking part 63 is separated from the locking opening 211 of the locking tongue 21, the cabinet door 2 is unlocked, and the elastic force of the elastic sealing part 112 of the sealing ring 11 can provide a certain door opening force to drive the cabinet door 2 to open automatically.

[0176] Please refer to Figures 21 to 28 As shown, in some embodiments, a locking block 631 protrudes from the side wall of the locking part 63 away from the cabinet body 1. When the cabinet door 2 is closed, the locking part 63 can rotate towards the side away from the cabinet body 1 under the action of the elastic member 8, so that the locking block 631 of the locking part 63 can be engaged at the locking opening 211 of the locking tongue 21, and then the locking tongue 21 is fixed on the locking part 63 to lock the cabinet door 2.

[0177] In some embodiments, the locking block 631 may be provided with an inclined extrusion surface 632. In the direction from the cabinet body 1 towards the cabinet door 2, the extrusion surface 632 may be inclined and extend towards the direction close to the cabinet body 1. When the cabinet door 2 is closed, the locking tongue 21 can first abut against the extrusion surface 632 of the locking block 631, so that the locking part 63 can first rotate towards the direction of the side wall close to the cabinet body 1. When the locking block 631 is located in the locking opening 211, under the action of the elastic member 8, the elastic member 8 can drive the locking part 63 to rotate towards the side wall of the cabinet body 1, and the locking block 631 can be engaged and fixed in the locking opening 211.

[0178] In some embodiments, the locking part 63 has a plate-like structure. The plate-like locking part 63 can be arranged facing the side wall of the cabinet body 1. The elastic member 8 can protrude from the side of the locking part 63 close to the cabinet body 1, so that a gap is kept between the locking part 63 and the side wall of the cabinet body 1.

[0179] Please refer to Figures 22 to 28As shown, in some embodiments, a connecting rib 64 may protrude from a side of the connecting rod 6 close to the cabinet door 2. The connecting rib 64 may extend in a strip shape. The extending direction of the connecting rib 64 may be consistent with the extending direction of the connecting rod 6. The locking portion 63 may extend in a direction towards the cabinet door 2 from the connecting rib 64. The connecting rib 64 can improve the connection strength between the connecting rod 6 and the locking portion 63. The key arm 62 may extend in a direction towards the cabinet door 2 from the connecting rib 64. The connecting rib 64 can improve the connection strength between the connecting rod 6 and the key arm 62.

[0180] In some embodiments, there may be at least two locking portions 63. The two locking portions 63 are arranged at intervals along the extending direction of the connecting rod 6. The key assembly 7 may be disposed in a region between the two locking portions 63. The two locking portions 63 may be respectively disposed at the upper and lower ends of the connecting rod 6. When the elastic member 8 drives the connecting rod 6 to rotate, the two locking portions 63 can be respectively engaged with the two lock tongues 21. When the key assembly 7 is pressed, the connecting rod 6 can rotate reversely against the elastic force of the elastic member 8, and the two locking portions 63 can be respectively separated from the two lock tongues 21.

[0181] It should be noted that the number of the locking portions 63 and the lock tongues 21 can be adjusted as needed, and no limitation is made here. In addition, when multiple locking portions 63 are engaged with multiple lock tongues 21, the locking force of the cabinet door 2 can be improved, and the sealing performance of the sealing ring 11 can be improved.

[0182] Although the present invention has been described with reference to several exemplary embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the present invention can be embodied in many forms without departing from the spirit or essence of the invention, it should be understood that the above embodiments are not limited to any of the foregoing details, but should be broadly construed within the spirit and scope defined by the appended claims. Therefore, all changes and modifications falling within the scope of the claims or their equivalents should be covered by the appended claims.

Claims

1. A refrigerator, characterized in that: include: A box body, which forms an outer shell of the refrigerator, and a storage chamber is arranged in the box body; A box door, provided on the box body, and used to open or close the storage chamber; A vacuum cabinet is arranged on the inner side of the box door, and a storage cavity is arranged in the vacuum cabinet; when the box door is closed, the vacuum cabinet can be arranged in the storage chamber; A vacuum pumping assembly is disposed in the box door, the vacuum pumping assembly is connected to the storage cavity, and the vacuum pumping assembly is used to vacuum the storage cavity; Wherein, the vacuum cabinet comprises: A cabinet body is arranged on the inner side of the cabinet door, and the storage cavity is formed inside the cabinet body; A cabinet door, rotatably connected to the cabinet body, and used to open or close the storage cavity; A layer plate is arranged in the storage cavity, the layer plate is extended in the transverse direction, and two transverse ends of the layer plate are detachably fixed to the left and right side walls of the storage cavity respectively, so as to separate the space in the storage cavity into upper and lower parts; When the storage cavity is evacuated, the two ends of the layer plate can respectively abut against the left and right side walls of the storage cavity.

2. The refrigerator according to claim 1, characterized in that: There is a clearance fit between the transverse end surface of the layer plate and the side wall of the storage cavity; When the storage cavity is not evacuated, a first assembly gap is formed between the transverse end surface of the layer plate and the side wall of the storage cavity.

3. The refrigerator according to claim 1, characterized in that: A laterally extending stop edge is protruding from the interior of the cabinet, and the stop edge is arranged on the rear side wall of the storage cavity; A second assembly gap is formed between the rear edge of the layer plate and the rear side wall of the storage cavity; The blocking edge blocks the upper side of the rear edge of the layer plate, and the blocking edge can completely block the second assembly gap.

4. The refrigerator according to claim 1, characterized in that: The left and right side walls of the storage cavity are respectively provided with a support rib, and the support rib is provided with a support groove; Both ends of the layer plate can be respectively extended into and arranged in a supporting groove, so that the two ends of the layer plate can be respectively supported on a supporting rib.

5. The refrigerator according to claim 4, characterized in that: The support groove is extended along the front-to-back direction of the cabinet, and the front end of the support groove is open; The end of the layer plate can extend into the support groove through the front end opening of the support groove and be arranged in the support groove.

6. The refrigerator according to claim 5, characterized in that: An elastic hook is provided on the bottom surface of the layer plate, and a hook protrusion is provided on the side wall of the supporting rib; When the end of the layer plate extends into the support groove through the front end opening of the support groove and is arranged in the support groove, the elastic hook can be engaged with the clamping protrusion, and the elastic hook and the clamping protrusion are hidden under the layer plate.

7. The refrigerator according to claim 6, characterized in that The locking protrusion is convexly arranged on the side wall of the supporting rib facing the center of the storage cavity, and the locking protrusion is located at the rear side of the supporting groove; The left and right ends of the layer plate are respectively formed with an embedding portion and a notch area, the embedding portion can be inserted into and supported in the support groove, and the notch area is located at the rear side of the embedding portion; The elastic hook is located at a side of the notch area close to the center of the storage cavity, and the elastic hook is arranged facing the notch area; When the engaging portion can be extended into and supported in the supporting groove, the side edge of the notch area can abut against the side wall of the supporting rib facing the center of the storage cavity, and the elastic hook can be engaged with the convex hook.

8. The refrigerator according to claim 7, characterized in that: A reinforcing rib is convexly provided on the bottom surface of the layer plate; one end of the elastic hook is connected to the reinforcing rib on the bottom surface of the layer plate; the other end of the elastic hook is an automatic end, and is extended toward the rear wall of the storage cavity; the free end of the elastic hook is arranged on the inner side of the notch area, and a hook portion is provided on the free end of the elastic hook facing the notch area, and the hook portion can be engaged with the convex hook.

9. The refrigerator according to claim 1, characterized in that: Reinforcing ribs are convexly arranged on the outer side wall of the cabinet.

10. The refrigerator according to claim 9, characterized in that: The vacuum cabinet comprises side panels and a top cover; The side plate covers the reinforcing ribs on the side wall of the cabinet; The top cover covers the reinforcing ribs on the outer side of the top wall of the cabinet.

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