Refrigerator

Abstract

The utility model relates to a refrigerator. The refrigerator comprises a vacuum cabinet, the vacuum cabinet comprises a cabinet body arranged on the inner side of the box door, and a rotating seat is arranged on the front wall of the cabinet body in a protruding mode; an avoiding groove opposite to the rotating seat is concavely formed in the edge of one side of the cabinet door, and the rotating seat is rotatably connected into the avoiding groove; a stop surface is formed on the groove wall of the avoiding groove; the storage cavity is formed in the cabinet body, a large storage space can be formed, and then the vacuum fresh-keeping space is increased. When the cabinet door rotates relative to the cabinet body, the rotating seat can relatively rotate in the avoiding groove; when the cabinet door is rotationally opened, the stopping surface can be in contact with and abut against the side wall surface of the rotating seat, the door opening angle of the cabinet door can be limited, the door opening stopping problem of the cabinet door is solved, and impact between the cabinet door and the cabinet body can be reduced. The scheme is simple in structure, and the operation convenience of a user can be improved.

Description

Technical Field

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

[0002] A refrigerator is a container that uses the phase change of a refrigerant to create a low-temperature environment for storing food. It is one of the indispensable household appliances for people's home life. As people's living standards improve, the requirements for refrigerators are getting higher and higher.

[0003] In the related refrigerator, the refrigerator usually includes a box body and a door, and a storage compartment is formed in the box body. The door is arranged at the front side of the box body, and the door is used to open and close the storage compartment. The refrigerator is usually also provided with a vacuum preservation module for vacuum preservation of food.

[0004] In the existing refrigerator industry, vacuum fresh-keeping modules are usually vacuum drawers and vacuum fresh-keeping boxes. Vacuum drawers are usually arranged inside the refrigerator body, which requires space in the storage compartment and is relatively expensive. Vacuum fresh-keeping boxes are usually arranged on the door of the refrigerator, but the storage space of vacuum fresh-keeping boxes is small and the operation convenience is poor. Utility Model Content

[0005] The utility model aims to provide a refrigerator to optimize the vacuum preservation structure in the refrigerator and increase the vacuum preservation space.

[0006] The utility model may also provide a refrigerator to optimize the vacuum cabinet structure in the refrigerator to limit the opening angle of the vacuum cabinet door and improve the convenience of operation.

[0007] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0008] According to one aspect of the utility model, the utility model provides a refrigerator, which includes: a box body, which forms an outer shell of the refrigerator, and a storage chamber is arranged in the box body; a box door, which is arranged on the box body, and the box door is used to open or close the storage chamber; a vacuum cabinet, which 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 component, which is arranged in the box door, the vacuum pumping component is connected to the storage cavity, and the vacuum pumping component is used to vacuum the storage cavity; wherein the vacuum cabinet includes: a box body, which is arranged on the inner side of the box door , the storage cavity is formed inside the cabinet body; a rotating seat is convexly provided on the front wall of the cabinet body, and the rotating seat is arranged on one side of the storage cavity; a cabinet door is rotatably connected to the cabinet body, and the cabinet door is used to open or close the storage cavity; a side edge of the cabinet door is recessed with a avoidance groove arranged opposite to the rotating seat, and the rotating seat is rotatably connected to the avoidance groove; a stop surface is formed on the groove wall of the avoidance groove; when the cabinet door rotates relative to the cabinet body, the rotating seat can rotate relatively in the avoidance groove; when the cabinet door is rotated to open, the stop surface can contact and abut against the side wall surface of the rotating seat.

[0009] In some embodiments of the present application, a limiting surface is formed on the side wall of the rotating seat away from the storage cavity, and the limiting surface is arranged parallel to the side wall of the cabinet; when the cabinet door is rotated to open, the stop surface can contact and resist the limiting surface.

[0010] In some embodiments of the present application, the stop surface is arranged to extend vertically, and the stop surface is provided at a side edge of the avoidance groove close to the outer side wall of the cabinet door.

[0011] In some embodiments of the present application, the stop surface is convexly provided on the groove wall of the avoidance groove, and the stop surface is an inclined surface; when the stop surface abuts against the side wall of the rotating seat, the opening angle of the cabinet door is greater than 90°.

[0012] In some embodiments of the present application, a rotating column extending upward is convexly provided on the top surface of the rotating seat; a rotating cavity is opened on the top side groove wall of the avoidance groove, and the rotating cavity is connected with the avoidance groove; when the rotating seat is arranged in the avoidance groove, the rotating column can be rotatably extended into the rotating cavity; when the cabinet door rotates relative to the cabinet body, the cabinet door can rotate relative to the rotating shaft and the rotating seat.

[0013] In some embodiments of the present application, a plurality of rotating seats are protrudingly provided on the front wall of the cabinet body, and the plurality of rotating seats are arranged at intervals along the height direction of the cabinet body; a plurality of avoidance grooves are provided at one side edge of the cabinet door, and the plurality of avoidance grooves are arranged at intervals along the height direction of the cabinet door; the plurality of avoidance grooves are connected to the plurality of rotating seats in a one-to-one correspondence; when the cabinet door is rotated to open, the stop surfaces in the plurality of avoidance grooves can contact and resist the ground with the side walls of the plurality of rotating seats in a one-to-one correspondence.

[0014] In some embodiments of the present application, the vacuum cabinet includes a top cover, and the top cover is detachably covered on the outside of the top wall of the cabinet.

[0015] In some embodiments of the present application, the top of the cabinet door is provided with a rotating shaft member extending upward, and the rotating shaft member is arranged on the rotation axis of the cabinet door; a rotating shaft hole is opened on the bottom surface of the top cover, and the upper end of the rotating shaft member is detachably inserted into the rotating shaft hole; when the cabinet door rotates relative to the cabinet body, the rotating shaft member can rotate in the rotating shaft hole.

[0016] In some embodiments of the present application, a pivot groove is recessed on the top of the cabinet door, and the pivot groove extends vertically downward; the lower end of the pivot member is detachably inserted into the pivot groove so that the pivot member and the cabinet door can rotate synchronously.

[0017] In some embodiments of the present application, the front end of the top cover protrudes from the front wall of the cabinet body and forms a protrusion; the shaft hole is arranged on the bottom surface of the protrusion; when the cabinet door is closed, the protrusion can cover at least part of the top surface of the cabinet door.

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

[0019] In the refrigerator of the embodiment of the utility model, a vacuum cabinet is arranged on the inner side of the refrigerator door, and the vacuum pumping assembly in the door can be used to evacuate the storage cavity in the vacuum cabinet, thereby realizing the vacuum preservation function without occupying the space in the storage room of the cabinet. 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 larger storage space, thereby increasing the space for vacuum preservation. The rotating seat on the front wall of the cabinet body is rotated with the avoidance groove at the side edge of the cabinet door, so that when the cabinet door rotates relative to the cabinet body, the rotating seat can rotate relatively in the avoidance groove. The stop surface on the groove wall of the avoidance groove is contacted and abutted with the side wall surface of the rotating seat, so that the door opening angle can be limited, the door opening stop problem is solved, and the collision between the door and the cabinet body can be reduced. This solution has a simple structure and is conducive to improving the user's operating convenience. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0021] Figure 2 yes Figure 1 Schematic diagram of the structure of the middle box door and vacuum cabinet.

[0022] Figure 3 yes Figure 2 A schematic diagram of the decomposed structure.

[0023] Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of area A in the middle.

[0024] Figure 5 yes Figure 3 Schematic diagram of the exploded structure of the middle box door.

[0025] Figure 6 yes Figure 3 Schematic diagram of the structure of the medium vacuum cabinet.

[0026] Figure 7 yes Figure 6 Schematic diagram of the structure in another state.

[0027] Figure 8 yes Figure 6 A schematic diagram of the decomposed structure.

[0028] Fig. 9 yes Figure 6 Schematic diagram of the structure from another perspective.

[0029] Fig.10 yes Fig. 9 A schematic diagram of the decomposed structure.

[0030] Fig.11 yes Figure 7 Schematic diagram of the structure of the middle cabinet.

[0031] Fig.12 yes Fig.11 Schematic diagram of the structure of the middle sealing ring.

[0032] Fig.13 yes Fig.12 Cross-sectional view along the BB axis.

[0033] Fig.14 yes Figure 7 Schematic diagram of the structure of the middle cabinet door.

[0034] Fig.15 yes Fig. 9 Schematic diagram of the structure from another perspective.

[0035] Fig.16 yes Fig.15 A cross-sectional view of .

[0036] Fig.17 yes Fig.16 Schematic diagram of the enlarged structure of the C area in the middle.

[0037] Fig.18 yes Fig.16 Schematic diagram of the enlarged structure of the D area in the middle.

[0038] Fig.19 yes Figure 7 Front view of .

[0039] Fig. 20 yes Fig.19 Cross-sectional view along the EE axis.

[0040] Fig.21 yes Figure 8 Schematic diagram of the partial decomposition structure in.

[0041] Fig. 22 yes Fig.21 Schematic diagram of some structures in .

[0042] Fig.23 yes Fig. 22 A schematic diagram of the decomposed structure.

[0043] Fig.24 yes Fig. 22 Side view of .

[0044] Fig.25 yes Fig.24 Cross-sectional view along the FF axis.

[0045] Fig.26 yes Fig. 22 Schematic diagram of the enlarged structure of the G region in the middle.

[0046] Fig. 27 yes Fig.26 A schematic diagram of the structure in which the middle locking part and the lock tongue are engaged.

[0047] Fig.28 yes Fig. 27 A schematic diagram of the decomposed structure.

[0048] The reference numerals are as follows: 100, box body; 100a, storage room; 200, box door; 201, door panel; 202, upper end cover; 203, lower end cover; 204, door liner; 2041, liner rib; 2042, support block; 2043, limit slot; 2044, support table; 301, vacuum pump; 302, vacuum pipeline; 1, cabinet; 10, storage cavity; 101, clamping block; 102, lock hole; 103, vacuum pipe; 104, pressure relief hole; 11, sealing ring; 111, connecting part; 112, elastic sealing part; 1121, elastic wall; 1122, sealing wall; 1 2. Rotating seat; 121. Rotating column; 122. Limiting surface; 13. Rotating shaft; 2. Cabinet door; 21. Lock tongue; 211. Lock mouth; 22. Avoiding groove; 221. Rotating cavity; 222. Rotating shaft groove; 223. Stop surface; 3. Side panel; 30. Installation cavity; 31. First buckle; 32. Missing area; 33. Key hole; 4. Top cover; 41. Second buckle; 42. Rotating shaft hole; 43. Protrusion; 5. Pressure relief valve; 6. Connecting rod; 61. Connecting arm; 62. Key arm; 63. Locking part; 631. Locking block; 632. Extrusion surface; 64. Connecting rib; 7. Key assembly; 8. Elastic part. DETAILED DESCRIPTION

[0049] Typical embodiments that embody the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and illustrations therein are essentially for illustrative purposes rather than for limiting the present invention.

[0050] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0051] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0052] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0053] In the existing refrigerator industry, vacuum fresh-keeping modules are usually vacuum drawers and vacuum fresh-keeping boxes. Vacuum drawers are usually arranged inside the refrigerator body, which requires space in the storage compartment and is relatively expensive. Vacuum fresh-keeping boxes are usually arranged on the door of the refrigerator, but the storage space of vacuum fresh-keeping boxes is small and the operation convenience is poor.

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

[0055] See also Figure 1 As shown, the refrigerator provided by the embodiment of the utility model may include a box body 100. The box body 100 may adopt a hollow structure of a rectangular parallelepiped. It is understandable that in other embodiments, the box body 100 may also adopt a hollow shell structure of other shapes.

[0056] In some embodiments, a storage room 100a may be formed in the box 100. The storage room 100a may be used as an independent storage space, and may be used as a refrigerating room, a temperature-changing room, a freezing room, 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 chambers 100a may be provided in the housing 100. The plurality of storage chambers 100a may be arranged in the housing 100 in a manner of being divided up and down or left and right.

[0058] Figure 2 yes Figure 1 Schematic diagram of the structure of the middle box door 200 and the vacuum cabinet.

[0059] See also Figure 1 to Figure 2 As shown, in some embodiments, a door 200 may be provided on the front side of the cabinet 100. The door 200 may be used to open and close the storage chamber 100a. The door 200 may be connected to the cabinet 100 by a hinge, so that the door 200 of the refrigerator can rotate around the axis of the hinge to open and close the door 200 of the refrigerator, thereby opening or closing the corresponding storage chamber 100a.

[0060] In some embodiments, multiple doors 200 may be provided. Multiple doors 200 may be provided in one-to-one correspondence with multiple storage chambers 100a. It should be noted that, in other embodiments, multiple doors 200 may also open and close a storage chamber 100a at the same time.

[0061] See also Figure 1 to Figure 2 As shown, in some embodiments, a box liner (not shown) may be provided in the box body 100. A storage room 100a may be formed in the box liner. Multiple box liner may be provided in the box body 100. Multiple box liner may be arranged in the box body 100 in an upper and lower partition or a left and right partition. One or more storage rooms 100a may be formed in each box liner.

[0062] In some embodiments, a foam layer (not shown) may be provided in the box body 100. The foam layer may be formed in the space between the outer wall of the box liner and the inner wall of the box body 100. The foam layer may be used to insulate the box liner and the interior of the storage chamber 100a to achieve the heat preservation performance of the refrigerator.

[0063] See also Figures 1 to 4 As shown, in some embodiments, a refrigeration system (not shown) may be provided in 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 chamber 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 sequentially connected to form a refrigeration circuit. The refrigerant may circulate in the refrigeration circuit to achieve refrigeration of the interior of the box 100.

[0065] Figure 3 yes Figure 2 A schematic diagram of the decomposed structure. Figure 4 yes Figure 3 Schematic diagram of the enlarged structure of area A in the middle. Figure 5 yes Figure 3 Schematic diagram of the exploded structure of the middle box door 200.

[0066] See also 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 disposed 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 door 200 may include an upper end cover 202. The upper end cover 202 may be disposed in the top region of the door 200. The upper end cover 202 may be disposed in the top region of the back side of the door panel 201. The top surface of the upper end cover 202 may serve as the top side appearance surface of the door 200. The upper end cover 202 may improve the structural strength of the top region of the door 200.

[0068] In some embodiments, the door 200 may include a lower end cover 203. The lower end cover 203 may be disposed in the bottom area of ​​the door 200. The lower end cover 203 may be disposed in the bottom area of ​​the back side of the door panel 201. The bottom surface of the lower end cover 203 may serve as the bottom side appearance surface of the door 200. The lower end cover 203 may improve the structural strength of the bottom area of ​​the door 200.

[0069] In some embodiments, the door 200 may include a door liner 204. The door liner 204 may be disposed on the inner side wall of the door 200. The door liner 204 may be disposed on the side wall of the door 200 facing the storage chamber 100a. A foam layer may be formed between the door liner 204 and the door panel 201 of the door 200. The foam layer may be used to insulate the interior of the door 200 and the interior of the storage chamber 100a, thereby achieving the heat preservation performance of the refrigerator.

[0070] Figure 6 yes Figure 3 Schematic diagram of the structure of the medium vacuum cabinet. Figure 7 yes Figure 6 Schematic diagram of the structure in another state.

[0071] See also Figures 1 to 7 As shown, in some embodiments, the refrigerator may include a vacuum cabinet. The vacuum cabinet may be disposed on the inner side wall of the door 200. A storage cavity 10 may be formed in the vacuum cabinet. The storage cavity 10 may be used for vacuuming, thereby forming a vacuum environment in the storage cavity 10, and then may be used for vacuum preservation of food.

[0072] See also Figure 1 As shown, in some embodiments, when the door 200 is closed, the vacuum cabinet can be arranged in the storage room 100a, and the low temperature environment in the storage room 100a is utilized to store the vacuum cabinet in a low temperature environment, thereby realizing the vacuum low-temperature preservation function of the food.

[0073] See also Figure 3 As shown, in some embodiments, the refrigerator may include a vacuum assembly. The vacuum assembly may be connected to the storage cavity 10 in the vacuum cabinet. The vacuum assembly may be used to vacuum the storage cavity 10, thereby forming a vacuum environment in the storage cavity 10.

[0074] In some embodiments, the vacuum pump assembly may include a vacuum pump 301 and a vacuum pipeline 302. The vacuum pump 301 may be connected to the storage chamber 10 in the vacuum cabinet through the vacuum pipeline 302. The vacuum pump 301 may extract gas in the storage chamber 10 through the vacuum pipeline 302, thereby forming a vacuum environment in the storage chamber 10.

[0075] In some embodiments, the vacuum pump 301 may be disposed inside the upper end cover 202. The vacuum pumping line 302 may be disposed in the foaming layer between the door liner 204. Therefore, the vacuum pump 301 and the vacuum pumping line 302 may not be exposed to the outside, and do not occupy additional space in the storage chamber 100a.

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

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

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

[0079] In some embodiments, a clamping block 101 may be protruded from the left and right side walls of the cabinet 1. The cabinet 1 may be fixed to the ribs 2041 by the clamping block 101, thereby fixing the cabinet 1 of the vacuum cabinet in the area between the two ribs 2041.

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

[0081] In some embodiments, at least two support blocks 2042 may be provided. At least two support blocks 2042 may be provided on the opposite side walls of the two ribs 2041. At least one support block 2042 may be provided on the left and right side walls of the cabinet 1, respectively. Therefore, the left and right side walls of the cabinet 1 may be respectively clamped in the limiting clamping groove 2043 on the inner side of the support block 2042 by at least one clamping block 101, thereby fixing the cabinet 1 in the area between the two ribs 2041.

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

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

[0084] See also 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 disposed at a side edge of the cabinet door 2. The rotation axis of the cabinet door 2 may be extended along the height direction of the cabinet body 1.

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

[0087] See also Figures 2 to 7 As shown, in some embodiments, a lock tongue 21 may be provided on one side of the cabinet door 2 away from its rotation axis. The cabinet door 2 may be locked and fixed with the cabinet body 1 by 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 may be protruded on the inner side wall of the cabinet door 2. The locking tongue 21 may protrude and extend from the inner side wall of the cabinet door 2 toward the cabinet body 1.

[0089] In some embodiments, a lock hole 102 may be provided on the front side wall of the cabinet 1. When the cabinet door 2 is closed, the lock tongue 21 may be arranged opposite to the hole, and the lock tongue 21 may extend into the lock hole 102, and then engage or disengage with the interior of the cabinet 1, thereby locking and unlocking the cabinet door 2.

[0090] See also Figure 7 As shown, in some embodiments, at least two lock tongues 21 are provided on the cabinet door 2. The two lock tongues 21 can be arranged at intervals along the height direction of the cabinet door 2. The two lock tongues 21 can be arranged at intervals along the axial direction of the rotating shaft of the cabinet door 2. At least two lock holes 102 are opened 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 position of the locking tongue 21 and the locking hole 102 can be adjusted as needed and are not limited here.

[0092] Figure 8 yes Figure 6 A schematic diagram of the decomposed structure. Fig. 9 yes Figure 6 Schematic diagram of the structure from another perspective. Fig.10 yes Fig. 9 A schematic diagram of the decomposed structure.

[0093] See also Figures 6 to 10 As shown, in some embodiments, the vacuum cabinet may include a side panel 3. The side panel 3 may be fixed to the side wall of the cabinet body 1. Two side panels 3 may be provided. The two side panels 3 may be fixed to the left and right outer side walls of the cabinet body 1, respectively.

[0094] See also Figure 8 and Fig.10 As shown, in some embodiments, the side panel 3 can be detachably fixed to the outer side wall of the cabinet 1. A first buckle 31 can be protruded on the side wall of the side panel 3 facing the cabinet 1. A first buckle hole (not shown in the figure) can be opened on the corresponding outer side wall of the cabinet 1. The first buckle 31 can be snapped into the first buckle hole, so that the side panel 3 can be snapped and fixed to the outer side wall of the cabinet 1.

[0095] In some embodiments, a plurality of first buckles 31 may be convexly provided on the side panel 3. The plurality of first buckles 31 may be arranged at intervals on the circumferential side edge of the side panel 3. A plurality of first buckles may be provided on the corresponding outer side wall of the cabinet 1. The plurality of first buckles may be arranged one-to-one with the plurality of first buckles 31.

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

[0097] See also Figures 6 to 10 As shown, in some embodiments, reinforcing ribs (not shown in the figure) may be provided on the left and right side walls of the cabinet 1. The reinforcing ribs may be used to improve the structural strength of the left and right side walls of the cabinet 1. When the storage cavity 10 is evacuated, the reinforcing ribs may help maintain the shape of the interior of the cabinet 1 and improve the structural strength of the cabinet 1.

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

[0099] In some embodiments, a reinforcing rib may be provided on the side wall of the side panel 3 facing the cabinet body 1. The reinforcing rib may be used to enhance the structural strength of the side panel 3.

[0100] In some embodiments, the clamping block 101 on the outer wall of the cabinet 1 can be arranged outside the area corresponding to the reinforcing rib. A missing area 32 can be provided on the side panel 3. When the side panel 3 covers the corresponding outer side wall of the cabinet 1, the clamping block 101 can be arranged in the missing area 32, and the clamping block 101 can be exposed on the side panel 3.

[0101] See also Figure 2 As shown, in some embodiments, when the cabinet body 1 of the vacuum cabinet is fixed between two ribs 2041 , the ribs 2041 can cover the missing area 32 and the clamping block 101 , thereby maintaining the beautiful appearance of the vacuum cabinet.

[0102] See also Figures 6 to 10 As shown, in some embodiments, a reinforcing rib (not shown in the figure) may be provided on the bottom surface of the cabinet 1. The reinforcing rib may be used to improve the structural strength of the bottom side wall of the cabinet 1. When the storage cavity 10 is evacuated, the reinforcing rib may help maintain the shape of the interior of the cabinet 1 and improve the structural strength of the cabinet 1.

[0103] See also Figure 2 As shown, in some embodiments, when the cabinet 1 is fixed between two ribs 2041, the bottom wall of the cabinet 1 can be supported on the support platform 2044, and the support platform 2044 can cover part of the reinforcing ribs on the bottom surface of the cabinet 1, thereby maintaining the appearance of the vacuum cabinet. The part of the reinforcing ribs on the bottom surface of the cabinet 1 that are not covered can be hardly seen because they are located at the bottom of the cabinet 1, and thus will not affect the 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 1 , and further cover all the reinforcing ribs of the bottom wall of the cabinet 1 .

[0105] See also Figures 6 to 10 As shown, in some embodiments, a reinforcing rib may be provided on the outer side of the top wall of the cabinet 1. The reinforcing rib may be used to improve the structural strength of the top wall of the cabinet 1. When the storage cavity 10 is evacuated, the reinforcing rib may help maintain the shape of the interior of the cabinet 1 and improve the structural strength of the cabinet 1.

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

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

[0108] In some embodiments, the top cover 4 can be detachably fixed to the top side wall of the cabinet 1. A second buckle 41 can be convexly provided on the bottom wall of the top cover 4 facing the cabinet 1. A second clamping hole (not marked in the figure) can be opened on the top side wall of the cabinet 1. The second clamping hole 41 can be clamped in the second clamping hole, so that the top cover 4 can be clamped and fixed above the top wall of the cabinet 1.

[0109] In some embodiments, a plurality of second buckles 41 may be convexly provided on the top cover 4. The plurality of second buckles 41 may be arranged at intervals on the circumferential side edge of the top cover 4. A plurality of second buckle holes may be provided on the top wall of the cabinet 1. The plurality of second buckle 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 buckles 41 and the second holes can be adjusted as needed and are not limited here.

[0111] See also Figures 6 to 10 As shown, in some embodiments, a reinforcing rib (not shown) may be provided on the back of the cabinet 1. The reinforcing rib may be used to improve the structural strength of the rear wall of the cabinet 1. When the storage cavity 10 is evacuated, the reinforcing rib may help maintain the shape of the interior of the cabinet 1 and improve the structural strength of the cabinet 1.

[0112] See also Figure 2 As shown, when the cabinet 1 is disposed on the inner side of the door 200 , the reinforcing ribs on the back side of the cabinet 1 can be hidden between the back side of the cabinet 1 and the inner side wall of the door 200 , thereby maintaining the beautiful appearance of the vacuum cabinet.

[0113] See also Figures 9 and 10As shown, in some embodiments, a vacuum pipe 103 may be convexly provided on the back of the cabinet 1. The vacuum pipe 103 may be connected to the storage cavity 10 inside the cabinet 1. When the cabinet 1 is arranged on the inner wall of the door 200, the vacuum pipe 302 may be connected to the vacuum pipe 103. Therefore, the vacuum pump 301 may extract the air in the storage cavity 10 through the vacuum pipe 302 and the vacuum pipe 103, so that a vacuum environment may be formed in the storage cavity 10.

[0114] Fig.11 yes Figure 7 Schematic diagram of the structure of the middle cabinet 1. Fig.12 yes Fig.11 A schematic structural diagram of the middle sealing ring 11. Fig.13 yes Fig.12 Cross-sectional view along the BB axis.

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

[0116] See also Fig.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 at 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 at the peripheral edge of the front opening of the storage cavity 10.

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

[0118] See also Fig.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 portion 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 from 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, so that the sealing ring 11 is sealed to the cabinet door 2, thereby sealing and closing the storage cavity 10.

[0119] See also Fig.13 As shown, in some embodiments, the elastic sealing portion 112 includes an elastic wall 1121 and a sealing wall 1122 that are integrally connected. The elastic wall 1121 can be arranged to protrude forward from the front end surface of the connecting portion 111. The sealing wall 1122 can be arranged to be bent and extended from the front end of the elastic wall 1121 toward the peripheral side of the front opening of the storage cavity 10. When the cabinet door 2 is locked and closed, the inner wall of the cabinet door 2 can be sealed against the sealing wall 1122, and the elastic wall 1121 can be squeezed by the sealing wall 1122, so that the sealing ring 11 is sealed with the cabinet door 2, thereby sealing and closing 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 locked or 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 door-opening force, thereby causing the cabinet door 2 to automatically open to a certain angle, thereby making it easier for the user to open the cabinet door 2.

[0121] Fig.14 yes Figure 7 Schematic diagram of the structure of the middle cabinet door 2. Fig.15 yes Fig. 9 Schematic diagram of the structure from another perspective.

[0122] See also Figures 11 to 15 As shown, in some embodiments, a rotating seat 12 may be convexly provided on the front side wall of the cabinet body 1. The rotating seat 12 may be provided on one side of the storage cavity 10. A relief groove 22 arranged opposite to the rotating seat 12 may be concavely provided on one side edge of the cabinet door 2. The rotating seat 12 may be rotatably connected in the relief groove 22. When the cabinet door 2 rotates relative to the cabinet body 1, the rotating seat 12 may rotate relatively in the relief groove 22.

[0123] In some embodiments, a plurality of rotating seats 12 may be convexly provided on the front side wall 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 rotation axis of the cabinet door 2. A plurality of avoidance grooves 22 may be provided at one side edge of the cabinet door 2. The plurality of avoidance grooves 22 may be arranged at intervals along the height direction of the cabinet door 2. The plurality of avoidance grooves 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 position of the rotating seat 12 and the avoiding groove 22 can be adjusted as needed, and are not limited here.

[0125] Fig.16 yes Fig.15 A cross-sectional view of . Fig.17 yes Fig.16 Schematic diagram of the enlarged structure of the C area in the middle.

[0126] See also Figures 11 to 17 As shown, in some embodiments, a rotating column 121 extending upward may be convexly provided on the top surface of the rotating seat 12. The rotating column 121 may be arranged on the rotating shaft of the cabinet door 2. A rotating cavity 221 may be provided on the top side groove wall of the avoidance groove 22. The rotating cavity 221 may be communicated with the avoidance groove 22. When the rotating seat 12 is arranged in the avoidance groove 22, the rotating column 121 can be rotatably extended into the rotating cavity 221.

[0127] When the cabinet door 2 rotates relative to the cabinet body 1, the rotating column 121 can be used as the rotating axis of the cabinet door 2, so that the cabinet door 2 can rotate relative to the rotating column 121 and the rotating base 12. The cabinet door 2 can rotate around the axis of the rotating column 121 as the axis.

[0128] In some embodiments, the rotating columns 121 on the plurality of rotating seats 12 may be coaxially arranged at intervals. The rotating columns 121 on the plurality of rotating seats 12 may all be arranged on the rotating shaft of the cabinet door 2 .

[0129] See also Fig.17 As shown, in some embodiments, the axial length of the rotating seat 12 and the rotating column 121 thereon is less than the axial width of the avoiding groove 22. The rotating seat 12 and the rotating column 121 thereon can directly extend into the avoiding groove 22, and then move upward along the axial direction, so that the rotating column 121 can extend into the rotating cavity 221, simplifying the installation structure of the cabinet door 2.

[0130] Fig.18 yes Fig.16 Schematic diagram of the enlarged structure of the D area in the middle.

[0131] See also Figures 8 to 18As shown, in some embodiments, the vacuum cabinet may include a shaft member 13. The shaft member 13 may be protruding from the top of the cabinet door 2. The shaft member 13 may be arranged to extend upward from the top of the cabinet door 2. The shaft member 13 may be arranged on the rotation axis of the cabinet door 2. A shaft hole 42 may be opened on the bottom surface of the top cover 4. The upper end of the shaft member 13 may be detachably inserted into the shaft hole 42. When the top cover 4 is covered on the top surface of the cabinet body 1, the upper end of the shaft member 13 may be inserted into the shaft hole 42.

[0132] In some embodiments, the rotating shaft 13 can be fixed on the top of the cabinet door 2. The rotating shaft 13 can be coaxially arranged with the rotating column 121 on the rotating seat 12. When the cabinet door 2 rotates relative to the cabinet body 1, the rotating shaft 13 can rotate synchronously with the cabinet door 2, and the rotating shaft 13 can rotate in the rotating shaft hole 42.

[0133] See also Figures 8 to 17 As shown, in some embodiments, a rotating shaft groove 222 may be recessed at the top of the cabinet door 2. The rotating shaft groove 222 may extend vertically downward. The rotating shaft groove 222 may be arranged on the rotation axis of the cabinet door 2. The lower end of the rotating shaft member 13 may be detachably inserted and fixed in the rotating shaft groove 222, so that the rotating shaft member 13 and the cabinet door 2 can rotate synchronously.

[0134] In some embodiments, the rotating shaft may also be integrally formed on the top of the cabinet door 2 .

[0135] It should be noted that, in some other embodiments, the rotating shaft 13 can also be fixed to the bottom of the top cover 4. The rotating shaft 13 can also be arranged to extend downward from the bottom surface of the top cover 4. When the top cover 4 is placed on the top surface of the cabinet body 1, the lower end of the rotating shaft 13 can be inserted into the rotating shaft hole 42. At this time, the lower end of the rotating shaft 13 can be rotatably arranged in the rotating shaft hole 42. When the cabinet door 2 rotates relative to the cabinet body 1, the cabinet door 2 can use the rotating shaft 13 as an axis and rotate relative to the rotating shaft 13, and then rotate relative to the cabinet body 1.

[0136] Fig.19 yes Figure 7 Front view of . Fig. 20 yes Fig.19 Cross-sectional view along the EE axis.

[0137] See also Figures 8 to 20As shown, in some embodiments, a stop surface 223 may be formed on the groove wall of the avoidance groove 22. When the cabinet door 2 is rotated to open, the stop surface 223 of the avoidance groove 22 may contact and abut against the side wall surface of the rotating seat 12. At this time, the cabinet door 2 is at the maximum door opening angle position. Therefore, the door opening angle of the cabinet door 2 can be limited by the stop surface 223, solving the door opening stop problem of the cabinet door 2. By contacting and abutting against the side wall surface of the rotating seat 12, the impact between the cabinet door 2 and the cabinet body 1 can be reduced when the user opens the door, avoiding damage to the cabinet door 2 and the cabinet body 1. This solution has a simple structure and is conducive to improving the user's operating convenience.

[0138] In some embodiments, a limited surface 122 may be formed on the side wall of the rotating seat 12 away from the storage cavity 10. When the cabinet door 2 is rotated to open to the maximum angle, the stop surface 223 of the avoidance groove 22 can contact and abut against the limited surface 122 of the rotating seat 12, thereby limiting the opening angle of the cabinet door 2, solving the problem of the cabinet door 2 opening stop, and reducing the collision between the cabinet door 2 and the cabinet body 1, avoiding damage to the cabinet door 2 and the cabinet body 1.

[0139] In some embodiments, the limiting surface 122 of the rotating seat 12 may be arranged parallel to the side wall of the cabinet 1. It should be noted that in other embodiments, the limiting surface 122 of the rotating seat 12 may also be arranged at an angle to the side wall of the cabinet 1.

[0140] See also Figure 14 to Figure 15 As shown, in some embodiments, the stop surface 223 of the avoidance groove 22 can be arranged to extend vertically. The stop surface 223 can be arranged at the side edge of the avoidance groove 22 close to the outer side wall of the cabinet door 2. It should be noted that, in other embodiments, the limit surface 122 of the rotating seat 12 can also be spaced from the outer side wall of the cabinet door 2.

[0141] In some embodiments, the stop surface 223 of the avoidance groove 22 can be convexly arranged on the groove wall of the avoidance groove 22. The stop surface 223 can be an inclined surface. In the direction from the avoidance groove 22 toward the center of the cabinet door 2, the stop surface 223 can be arranged to extend obliquely toward the direction close to the cabinet body 1. When the stop surface 223 abuts against the side wall of the rotating seat 12, the stop surface 223 can abut against the limiting surface 122, and the opening angle of the cabinet door 2 can be greater than 90°. The maximum opening angle of the cabinet door 2 can be adjusted according to the inclination angle of the stop surface 223.

[0142] See also Figure 14 to Figure 15As shown, in some embodiments, a stop surface 223 is respectively provided in the plurality of avoidance grooves 22. When the cabinet door 2 is rotated and opened to the maximum angle, the stop surfaces 223 in the plurality of avoidance grooves 22 can contact and abut against the limiting surfaces 122 of the side walls of the plurality of rotating seats 12 one by one, thereby stopping the cabinet door 2 together, jointly reducing the collision between the cabinet door 2 and the cabinet body 1, and avoiding damage to the cabinet door 2 and the cabinet body 1.

[0143] See also Figure 14 to Figure 15 As shown, in some embodiments, the front end of the top cover 4 may protrude from the front wall of the cabinet 1. The front end of the top cover 4 may form a protrusion 43. The protrusion 43 may protrude from the front wall of the cabinet 1. The shaft hole 42 may be provided on the bottom surface of the protrusion 43. When the cabinet door 2 is closed, the protrusion 43 can cover at least a portion of the top surface of the cabinet door 2.

[0144] In some embodiments, the width of the protrusion 43 is consistent with the thickness of the cabinet door 2. When the cabinet door 2 is closed, the protrusion 43 can cover the entire top surface of the cabinet door 2.

[0145] It should be noted that, in other embodiments, the width of the protrusion 43 may also be greater than or less than the thickness of the cabinet door 2 .

[0146] Fig.21 yes Figure 8 Schematic diagram of the partial decomposition structure in. Fig. 22 yes Fig.21 Schematic diagram of some structures in . Fig.23 yes Fig. 22 A schematic diagram of the decomposed structure. Fig.24 yes Fig. 22 Side view of . Fig.25 yes Fig.24 Cross-sectional view along the FF axis.

[0147] See also Figures 8 to 25 As shown, in some embodiments, a pressure relief hole 104 may be provided on the side wall of the cabinet 1. The pressure relief hole 104 may be connected to the storage cavity 10. External gas may enter the storage cavity 10 through the pressure relief hole 104, so that the storage cavity 10 and the outside of the cabinet 1 can be balanced in air pressure, so that the cabinet door 2 can be easily opened.

[0148] 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 outside of the cabinet 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 1, so that the air in the storage cavity 10 may be extracted by the vacuum assembly to form a vacuum environment. When the cabinet door 2 needs to be opened, the pressure relief hole 104 may be opened through the pressure relief valve 5, so that external gas may enter the storage cavity 10 through the pressure relief hole 104, thereby allowing the cabinet door 2 to be easily opened.

[0149] In some embodiments, the pressure relief valve 5 may be rotatably disposed outside the side wall of the cabinet 1. When the pressure relief valve 5 rotates toward the side wall of the cabinet 1, the pressure relief valve 5 may close the pressure relief hole 104. When the pressure relief valve 5 rotates toward the side wall away from the cabinet 1, the pressure relief valve 5 may open the pressure relief hole 104.

[0150] See also Figures 6 to 18 As shown, in some embodiments, the pressure relief hole 104 can 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 can be provided on the outside of the side wall of the cabinet body 1 away from the rotation axis of the cabinet door 2.

[0151] In some embodiments, the pressure relief hole 104 may be disposed on a side wall of the cabinet 1 close to the lock tongue 21. The pressure relief valve 5 may be disposed on the outer side of the side wall of the cabinet 1 close to the lock tongue 21.

[0152] See also Figure 8 and Fig.18 As shown, in some embodiments, a mounting cavity 30 may be provided between the side panel 3 and the side wall of the cabinet 1. The mounting cavity 30 may be formed between the side wall of the cabinet 1 away from the rotation axis of the cabinet door 2 and the corresponding side panel 3. The pressure relief valve 5 may be provided in the mounting cavity 30. When the pressure relief valve 5 opens the pressure relief hole 104, the pressure relief hole 104 may communicate the mounting cavity 30 with the storage cavity 10 inside the cabinet 1.

[0153] See also Figures 8 to 23 As shown, in some embodiments, the vacuum cabinet may include a connecting rod 6. The connecting rod 6 may be rotatably disposed on the side wall of the cabinet body 1. The connecting rod 6 may be rotatably disposed in the mounting cavity 30. The connecting rod 6 may be extended and arranged along the direction of its rotation axis. The connecting rod 6 may be extended and arranged 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 disposed on a side of the pressure relief valve 5 close to the cabinet door 2. The connecting rod 6 may be disposed in the area between the pressure relief hole 104 and the cabinet door 2.

[0154] 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 and spaced apart.

[0155] When the connecting rod 6 rotates in one direction, the connecting rod 6 can drive the pressure relief valve 5 to rotate in a direction away from the side wall of the cabinet 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 in a direction close to the side wall of the cabinet 1, so that the pressure relief valve 5 can press and close the pressure relief hole 104.

[0156] See also Figures 18 to 23 As shown, in some embodiments, the pressure relief hole 104 can be arranged at intervals on the side of the connecting rod 6 away from the cabinet door 2. The pressure relief valve 5 can be arranged at intervals on the side of the connecting rod 6 away from the cabinet door 2. A connecting arm 61 can be protrudingly provided on the side of the connecting rod 6 away from the cabinet door 2. The connecting arm 61 can be extended in the direction of the pressure relief hole 104. The pressure relief valve 5 can be arranged on the connecting arm 61. The pressure relief valve 5 can be protruding on 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 in the forward or reverse direction through the connecting arm 61, so that the pressure relief valve 5 rotates toward or away from the side wall of the cabinet 1, and then the pressure relief valve 5 can be close to or away from the pressure relief hole 104.

[0157] See also Figures 8 to 23 As shown, in some embodiments, the vacuum cabinet may include a button assembly 7. The button assembly 7 may be disposed on a side of the connecting rod 6 away from the pressure relief valve 5. When the button assembly 7 is pressed, the button assembly 7 may rotate toward a direction close to the side wall of the cabinet 1, and the pressure relief valve 5 may be driven to rotate toward a direction away from the side wall of the cabinet 1 through the connecting rod 6, so that the pressure relief valve 5 is separated from the pressure relief hole 104, and the pressure relief hole 104 may be opened.

[0158] See also Figures 6 to 8 As shown, in some embodiments, a button hole 33 may be provided on the side panel 3. The button hole 33 may communicate with the mounting cavity 30 between the side panel 3 and the side wall of the cabinet 1. The button assembly 7 may be movably arranged in the button hole 33. The inner end of the button assembly 7 may be arranged in the mounting cavity 30 and may be connected to the connecting rod 6. The outer end of the button assembly 7 may be exposed to the side panel 3 through the button hole 33.

[0159] See also Figures 8 to 23As 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 mounting cavity 30. The elastic member 8 may be used to drive the connecting rod 6 to rotate, and drive the pressure relief valve 5 to rotate in a direction close to the side wall of the cabinet 1, so that the pressure relief valve 5 can press and close 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, so that the pressure relief valve 5 can automatically press and close the pressure relief hole 104. When the user presses the button assembly 7, the connecting rod 6 can overcome the elastic force of the elastic member 8 and rotate in the opposite direction, driving the pressure relief valve 5 to rotate in a direction away from the side wall of the cabinet 1, thereby enabling the pressure relief valve 5 to open the pressure relief hole 104.

[0160] In some embodiments, a button arm 62 may be protruded from the side of the connecting rod 6 away from the pressure relief valve 5. The button arm 62 may be extended toward the direction close to the cabinet door 2. The button assembly 7 may be arranged on the button arm 62. The button assembly 7 may be arranged on the side of the button arm 62 away from the cabinet 1. Therefore, 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 toward the side close to the cabinet 1, and drive the pressure relief valve 5 to rotate toward the side away from the cabinet 1 through the button arm 62 and the connecting rod 6, so that the pressure relief valve 5 can open the pressure relief hole 104.

[0161] Fig.26 yes Fig. 22 Schematic diagram of the enlarged structure of the G region in the middle. Fig. 27 yes Fig.26 Schematic diagram of the structure in which the middle locking portion 63 is engaged with the locking tongue 21. Fig.28 yes Fig. 27 A schematic diagram of the decomposed structure.

[0162] See also Figures 21 to 28 As shown, in some embodiments, a locking portion 63 may be convexly provided on one side of the connecting rod 6 facing the cabinet door 2. The locking portion 63 may be arranged to extend from the connecting rod 6 in the direction toward the cabinet door 2. The locking portion 63 may be arranged 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 be engaged with or separated from the lock tongue 21.

[0163] When the connecting rod 6 drives the locking portion 63 to rotate in a direction away from the cabinet 1, the connecting rod 6 can drive the pressure relief valve 5 to rotate in a direction close to the cabinet 1, so that the pressure relief valve 5 can press and close the pressure relief hole 104. At this time, the locking portion 63 can be engaged with the lock tongue 21, so that the locking portion 63 can be engaged with the side of the lock tongue 21 close to the cabinet 1, thereby locking and fixing the cabinet door 2 on the cabinet 1.

[0164] When the connecting rod 6 drives the locking part 63 to rotate in the opposite direction toward the cabinet 1, the connecting rod 6 can drive the pressure relief valve 5 to rotate in the direction away from the cabinet 1, so that the pressure relief valve 5 can move away and open the pressure relief hole 104, so that the gas enters 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, so that the cabinet door 2 is unlocked and the cabinet door 2 can be easily opened.

[0165] In some embodiments, the elastic member 8 may be convexly disposed on the side wall of the locking portion 63 close to the cabinet 1. One end of the elastic member 8 may be connected to the locking portion 63. The other end of the elastic member 8 may abut against the side wall of the cabinet 1. The elastic member 8 may drive the connecting rod 6 to rotate, and drive the locking portion 63 to rotate toward the side away from the cabinet 1, so that the locking portion 63 is engaged with the lock tongue 21, so that the locking portion 63 can be engaged with the side of the lock tongue 21 close to the cabinet 1, thereby locking the cabinet door 2. At the same time, the elastic member 8 may drive the connecting rod 6 to drive the pressure relief valve 5 to rotate toward the side close to the cabinet 1, so that the pressure relief valve 5 presses and closes the pressure relief hole 104.

[0166] 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 toward the side close to the cabinet body 1, and can drive the connecting rod 6 to overcome the elastic force of the elastic member 8 and rotate in the opposite direction, and can drive the connecting rod 6 to drive the locking part 63 to rotate toward the side close to the cabinet body 1, so that the locking part 63 can be separated from the lock tongue 21, thereby unlocking the cabinet door 2.

[0167] It should be noted that, in some other embodiments, the elastic member 8 may not be disposed on the locking portion 63. The elastic member 8 may also be disposed at other positions of the connecting rod 6.

[0168] See also Figures 7 to 28 As shown, in some embodiments, a lock hole 211 is provided on the lock tongue 21. The elastic member 8 can drive the connecting rod 6 to drive the locking portion 63 to rotate toward the side away from the cabinet body 1, so that the locking portion 63 is engaged with the lock hole 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 in the opposite direction to overcome the elastic force of the elastic member 8, and can drive the connecting rod 6 to drive the locking portion 63 to rotate toward the side close to the cabinet body 1, so that the locking portion 63 can be separated from the lock hole 211 of the lock tongue 21, thereby unlocking the cabinet door 2.

[0169] It should be noted that, in some other embodiments, the lock opening 211 may also be provided on the locking portion 63. At this time, the elastic member 8 may drive the connecting rod 6 to drive the locking portion 63 to rotate toward the side away from the cabinet 1, so that the lock opening 211 of the locking portion 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 may drive the connecting rod 6 to rotate in the opposite direction to overcome the elastic force of the elastic member 8, and may drive the connecting rod 6 to drive the locking portion 63 to rotate toward the side close to the cabinet 1, so that the lock opening 211 of the locking portion 63 can be separated from the lock tongue 21, thereby unlocking the cabinet door 2.

[0170] See also Figures 11 to 28 As shown, in some embodiments, when the locking portion 63 is engaged with the lock opening 211 of the lock tongue 21, the cabinet door 2 is locked, and the inner wall of the cabinet door 2 can abut against the sealing ring 11, thereby sealing and closing the storage cavity 10. At this time, the elastic sealing portion 112 of the sealing ring 11 is elastically compressed, and the sealing wall 1122 can squeeze the elastic wall 1121. When the locking portion 63 is separated from the lock opening 211 of the lock tongue 21, the cabinet door 2 is unlocked, and the elastic force of the elastic sealing portion 112 of the sealing ring 11 can provide a certain door opening force, driving the cabinet door 2 to open automatically.

[0171] See also Figures 21 to 28 As shown, in some embodiments, a locking block 631 is protruding on the side wall of the locking portion 63 away from the cabinet body 1. When the cabinet door 2 is closed, the locking portion 63 can rotate toward 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 portion 63 can be engaged with the locking opening 211 of the locking tongue 21, thereby fixing the locking tongue 21 on the locking portion 63 and locking the cabinet door 2.

[0172] In some embodiments, the lock block 631 may be provided with an inclined extrusion surface 632. In the direction from the cabinet 1 to the cabinet door 2, the extrusion surface 632 may be arranged to extend obliquely toward the direction close to the cabinet 1. When the cabinet door 2 is closed, the lock tongue 21 can first abut against the extrusion surface 632 of the lock block 631, so that the locking portion 63 can first rotate toward the direction close to the side wall of the cabinet 1. When the lock block 631 is located in the lock port 211, under the action of the elastic member 8, the elastic member 8 can drive the locking portion 63 to rotate toward the direction of the side wall of the cabinet 1, and the lock block 631 can be clamped and fixed in the lock port 211.

[0173] In some embodiments, the locking portion 63 is a plate-shaped structure. The plate-shaped locking portion 63 can be arranged facing the side wall of the cabinet 1. The elastic member 8 can be convexly arranged on a side of the locking portion 63 close to the cabinet 1, so that the locking portion 63 and the side wall of the cabinet 1 are arranged at a distance.

[0174] See also Figure 22 to Figure 28As shown, in some embodiments, a connecting rib 64 may be convexly provided on one side of the connecting rod 6 close to the cabinet door 2. The connecting rib 64 may be arranged to extend in a long 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 have the connecting rib 64 extending in the direction of the cabinet door 2. The connecting rib 64 may increase the connection strength between the connecting rod 6 and the locking portion 63. The button arm 62 may be extended in the direction of the cabinet door 2 by the connecting rib 64. The connecting rib 64 may increase the connection strength between the connecting rod 6 and the button arm 62.

[0175] In some embodiments, at least two locking parts 63 may be provided. The two locking parts 63 are arranged at intervals along the extension direction of the connecting rod 6. The key assembly 7 may be provided in the area between the two locking parts 63. The two locking parts 63 may be provided 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 parts 63 can be engaged with the two locking tongues 21 in a one-to-one correspondence. When the key assembly 7 is pressed, the connecting rod 6 can overcome the elastic force of the elastic member 8 and rotate in the opposite direction, and the two locking parts 63 can be separated from the two locking tongues 21 in a one-to-one correspondence.

[0176] It should be noted that the number of the locking portion 63 and the locking tongue 21 can be adjusted as needed, and is not limited here. In addition, when a plurality of locking portions 63 and a plurality of locking tongues 21 are engaged, the locking force of the cabinet door 2 can be increased, and the sealing performance of the sealing ring 11 can be improved.

[0177] Although the utility model has been described with reference to several typical embodiments, it should be understood that the terms used are illustrative and exemplary, rather than restrictive. Since the utility model can be implemented in a variety of forms without departing from the spirit or essence of the utility model, it should be understood that the above-mentioned embodiments are not limited to any of the aforementioned details, but should be widely interpreted within the spirit and scope defined by the attached claims, so all changes and modifications falling within the scope of the claims or their equivalents should be covered by the attached 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 is arranged on the inner side of the box door, and the storage cavity is formed inside the cabinet; a rotating seat is convexly provided on the front wall of the cabinet, and the rotating seat is arranged on one side of the storage cavity; A cabinet door is rotatably connected to the cabinet body, and the cabinet door is used to open or close the storage cavity; a side edge of the cabinet door is concavely provided with a avoidance groove arranged opposite to the rotating seat, and the rotating seat is rotatably connected to the avoidance groove; a stop surface is formed on the groove wall of the avoidance groove; When the cabinet door rotates relative to the cabinet body, the rotating seat can rotate relatively in the avoidance groove; When the cabinet door is rotated to open, the stop surface can contact and abut against the side wall surface of the rotating seat.

2. The refrigerator according to claim 1, characterized in that: A limited position surface is formed on the side wall of the rotating seat away from the storage cavity, and the limited position surface is arranged parallel to the side wall of the cabinet; When the cabinet door is rotated to open, the stop surface can contact and abut against the limiting surface.

3. The refrigerator according to claim 1, characterized in that: The stop surface is arranged to extend vertically, and the stop surface is arranged at the side edge of the avoidance groove close to the outer side wall of the cabinet door.

4. The refrigerator according to claim 1, characterized in that: The stop surface is convexly arranged on the groove wall of the avoidance groove, and the stop surface is an inclined surface; When the stop surface abuts against the side wall of the rotating seat, the opening angle of the cabinet door is greater than 90°.

5. The refrigerator according to claim 1, characterized in that: A rotating column extending upward is convexly provided on the top surface of the rotating seat; A rotation cavity is provided on the top side groove wall of the avoidance groove, and the rotation cavity is communicated with the avoidance groove; When the rotating seat is arranged in the avoidance groove, the rotating column can be rotatably extended into the rotating cavity; when the cabinet door rotates relative to the cabinet body, the cabinet door can rotate relative to the rotating shaft and the rotating seat.

6. The refrigerator according to claim 1, characterized in that: A plurality of rotating seats are convexly provided on the front wall of the cabinet body, and the plurality of rotating seats are arranged at intervals along the height direction of the cabinet body; a plurality of avoiding grooves are provided at one side edge of the cabinet door, and the plurality of avoiding grooves are arranged at intervals along the height direction of the cabinet door; The plurality of avoidance grooves are connected to the plurality of rotating seats in a one-to-one correspondence; When the cabinet door is rotated to open, the stop surfaces in the plurality of avoidance grooves can contact and abut against the ground of the side walls of the plurality of rotating seats in a one-to-one correspondence.

7. The refrigerator according to claim 1, characterized in that: The vacuum cabinet comprises a top cover, and the top cover is detachably covered on the outside of the top wall of the cabinet body.

8. The refrigerator according to claim 7, characterized in that: A rotating shaft member extending upward is convexly disposed on the top of the cabinet door, and the rotating shaft member is arranged on the rotation axis of the cabinet door; A rotating shaft hole is provided on the bottom surface of the top cover, and the upper end of the rotating shaft member is detachably inserted into the rotating shaft hole; When the cabinet door rotates relative to the cabinet body, the rotating shaft can rotate in the rotating shaft hole.

9. The refrigerator according to claim 8, characterized in that: A rotating shaft groove is recessed on the top of the cabinet door, and the rotating shaft groove extends vertically downward; The lower end of the rotating shaft member is detachably inserted into the rotating shaft groove so that the rotating shaft member and the cabinet door can rotate synchronously.

10. The refrigerator according to claim 8, characterized in that The front end of the top cover protrudes out of the front wall of the cabinet to form a protruding portion; the rotating shaft hole is arranged on the bottom surface of the protruding portion; When the cabinet door is closed, the protrusion can cover at least a portion of the top surface of the cabinet door.

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