Refrigerating box

Abstract

The utility model relates to a refrigerating box, and belongs to the technical field of refrigerating boxes. Wherein the refrigerating box comprises a box body, a box door and a hinge; a refrigerating chamber is defined in the refrigerator body and provided with a refrigerating chamber opening, and the refrigerating chamber opening is formed in the front side of the refrigerator body. The refrigerator door is arranged at the opening of the refrigerating chamber and used for opening or closing the refrigerating chamber; a first installation cavity is formed in the side, facing the refrigerator body, of the refrigerator door and corresponds to the upper edge of the opening of the refrigerating chamber. The first mounting cavity is provided with a first mounting cavity opening facing the box body; a first rotating shaft is arranged in the first mounting cavity, and the axis of the first rotating shaft extends in the height direction of the box body; the hinge is arranged on the front side of the refrigerator body and located on the upper edge of the refrigerating chamber opening. The end, away from the box body, of the hinge extends into the first mounting cavity from the first mounting cavity opening and is rotationally connected with the first rotating shaft. According to the refrigerator provided by the utility model, the hinge for connecting the refrigerator door with the refrigerator body is hidden in the first mounting cavity of the refrigerator door when the refrigerator door is closed, so that the overall attractiveness of the refrigerator is kept.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigerated boxes, in particular to a refrigerated box. Background Art

[0002] A refrigerator is a device that maintains a stable low-temperature environment through a refrigeration system. According to the purpose of the refrigerator, it can be divided into ordinary household refrigerators, refrigerated containers for transportation, and medical refrigerators. Among them, medical refrigerators are one of the important storage equipment in the medical industry, used to ensure the quality and stability of medical items such as medicines, vaccines, and blood products.

[0003] The door of a refrigerator is mostly connected to the refrigerator body by a hinge. In the prior art, the hinge is usually set on the top of the door, which not only affects the appearance of the entire refrigerator, but also increases the overall height of the refrigerator body, increases the manufacturing cost, and may also cause inconvenience to the user during use.

[0004] The hinge is usually fixedly connected to the box body and rotatably connected to the door to realize the opening and closing of the door. In the prior art, in order to prevent dust and the like from coming into contact with the hinge and causing the hinge to get stuck, an injection molded part is usually set on the door to form a mounting cavity. When the door is closed, the hinge extends into the mounting cavity to prevent dust from entering the hinge. However, this design not only increases the production cost, but also the hinge sizes corresponding to doors of different specifications are different, and the sizes of the corresponding injection molded parts are also different, making production and inventory management complicated.

[0005] Therefore, it is of great significance to design a medical refrigerator that can hide the connecting hinges between the door and the box body and can prevent the hinges from dust. Utility Model Content

[0006] In view of the deficiencies existing in the related art, the utility model provides a refrigerator box by setting a first installation cavity in the box door, and the connecting hinge between the box body and the box door is set in the first installation cavity when the box door is closed, so as to hide the hinge and also protect the hinge.

[0007] The utility model provides a refrigerator, comprising:

[0008] A box body, wherein a refrigerating chamber is defined in the interior thereof, and the refrigerating chamber is provided with a refrigerating chamber opening, and the refrigerating chamber opening is opened at the front side of the box body;

[0009] A box door is arranged at the opening of the refrigerating chamber and is used to open or close the refrigerating chamber; a first installation cavity is arranged on a side of the box door facing the box body, and the first installation cavity is arranged corresponding to the upper edge of the opening of the refrigerating chamber; the first installation cavity is provided with a first installation cavity opening arranged toward the box body; a first rotating shaft is arranged in the first installation cavity, and the axis of the first rotating shaft extends along the height direction of the box body;

[0010] A hinge is arranged on the front side of the box body and located at the upper edge of the opening of the refrigerating chamber; one end of the hinge away from the box body extends from the opening of the first installation cavity into the first installation cavity and is rotatably connected to the first rotating shaft;

[0011] When the door is closed, at least part of the hinge is arranged in the first installation cavity.

[0012] The technical solution is to provide a first installation cavity in the door, and when the door closes the refrigerating chamber, at least part of the hinge is provided in the first installation cavity, so that the first installation cavity accommodates the hinge, thereby hiding the hinge and increasing the overall aesthetics of the refrigerator; and the hinge can also be dustproofed in the first accommodating cavity, thereby increasing the working reliability of the hinge.

[0013] In some of the embodiments, the hinge is provided with a connecting portion, which is provided at an end of the hinge away from the first rotating shaft, and the connecting portion is in contact with and connected to an upper edge of the opening of the refrigerating chamber.

[0014] The technical solution increases the contact area between the hinge and the box body by providing a connecting portion and utilizing the connecting portion to contact the upper edge of the refrigerating chamber.

[0015] In some of the embodiments, the cabinet is provided with a connecting piece, which is arranged at the lower edge of the opening of the refrigerating chamber; a limiting piece is provided at the bottom of the cabinet door, and the limiting piece cooperates with the connecting piece to limit the rotation angle of the cabinet door.

[0016] The technical solution provides a connecting piece on the box body and a limiting piece on the box door, and utilizes the connecting piece and the limiting piece to cooperate with each other to limit the position of the box door, thereby preventing the box door from being loosely closed or the box door and the box body from being excessively squeezed against each other.

[0017] In some of the embodiments, the box door is connected to a second rotating shaft, the second rotating shaft is rotatably connected to the connecting member, and the axis of the second rotating shaft is colinearly arranged with the axis of the first rotating shaft.

[0018] The technical solution provides a second rotating shaft connected to the connecting member so that the connecting member supports the rotation of the door, thereby increasing the stability of the door rotation process.

[0019] In some of the embodiments, at least a portion of the limiting member is located above the connecting member, and the second rotating shaft is disposed along its axis passing through the limiting member.

[0020] The technical solution prevents the connecting member from interfering with the rotation of the door by arranging at least part of the limiting member above the connecting member; and connects the second rotating shaft to the connecting member by arranging the second rotating shaft to pass through the limiting member.

[0021] In some embodiments, the box body is connected to a front cover, the front cover is arranged on the front side of the box body, the front cover is provided with a second installation cavity, the second installation cavity is provided with a second installation cavity opening, the second installation cavity opening is arranged at the top of the front cover, and at least part of the connecting part is arranged in the second installation cavity through the second installation cavity opening.

[0022] The technical solution provides a front cover and utilizes the front cover to form a second installation cavity, so that the second installation cavity hides the connecting piece, thereby ensuring the aesthetics of the medical cold storage room.

[0023] In some embodiments, the connecting member is provided with a blocking portion, which is provided at one end of the connecting member away from the box body, and the blocking portion is provided outside the second installation cavity and extends toward the front of the box body, and the limiting member cooperates with the blocking portion.

[0024] In some embodiments, the limiting member is provided with a bending portion, and one end of the bending portion away from the limiting member is arranged downward, and the bending portion cooperates with the connecting member.

[0025] In some embodiments, the cabinet is provided with a first locking member, the first locking member is located outside the refrigeration chamber and on the side of the cabinet away from the first rotating axis, the cabinet door is provided with a second locking member, the second locking member is located on the side of the cabinet door away from the first rotating axis, and the second locking member cooperates with the first locking member to lock the cabinet door.

[0026] In some embodiments, the housing is provided with a lock cover, which is located outside the refrigeration chamber and on the side of the housing away from the first rotating shaft; the lock cover defines a accommodating cavity, and the first locking member is arranged in the accommodating cavity; when the second locking member cooperates with the first locking member, the second locking member is arranged in the accommodating cavity.

[0027] The technical solution provides a lock cover, uses the lock cover to form a receiving cavity, and arranges the first locking member and the second locking member in the receiving cavity, so that the lock cover protects the first locking member and the second locking member.

[0028] Based on the above technical solution, in the embodiment of the utility model, the refrigerator box is provided with a first installation cavity on the door. When the door closes the refrigerating chamber, at least part of the hinge is arranged in the first installation cavity, so that the first installation cavity can accommodate the hinge, thereby hiding the hinge and increasing the overall aesthetics of the refrigerator box; and the hinge can also be dustproof in the first accommodating cavity to increase the working reliability of the hinge. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0030] Figure 1This is a schematic structural diagram of an embodiment of a refrigerator of the utility model;

[0031] Figure 2 This is a schematic diagram of the structure of an embodiment of the refrigerator of the utility model when the refrigerator door is not installed;

[0032] Figure 3 for Figure 2 A partial enlarged view of the middle part;

[0033] Figure 4 for Figure 2 A partial enlarged view of point B in the middle;

[0034] Figure 5 This is a schematic structural diagram of an embodiment of the refrigerator of the utility model when the refrigerator door and the front cover are not assembled;

[0035] Figure 6 for Figure 5 A partial enlarged view of point C in the middle;

[0036] Figure 7 This is a schematic structural diagram of a front cover and a support member of an embodiment of a refrigerator of the utility model when a door is not installed;

[0037] Figure 8 for Figure 7 A partial enlarged view of point D in the middle;

[0038] Fig. 9 This is a schematic diagram of the structure of a door in an embodiment of a refrigerator of the utility model;

[0039] Fig.10 for Fig. 9 A partial enlarged view of point E in the middle;

[0040] Fig.11 This is a schematic structural diagram of a refrigerator door in an embodiment of the utility model when the door is not equipped with hinges;

[0041] Fig.12 for Fig.11 A partial enlarged view of point F in the middle;

[0042] Fig.13 for Fig.11 A partial enlarged view of point G in the middle.

[0043] In the figure:

[0044] 100, box door; 200, box body; 300, lock cover; 400, front cover; 500, shelf; 600, slide; 700, hinge;

[0045] 101, first installation cavity;

[0046] 110, first rotating shaft; 120, second rotating shaft; 130, limiting member;

[0047] 131, bending part;

[0048] 201, cold storage room; 202, equipment cavity;

[0049] 210, connecting member; 220, supporting member;

[0050] 211, blocking portion; 212, rib plate;

[0051] 710. Connecting part. DETAILED DESCRIPTION

[0052] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0053] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to 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 invention.

[0054] 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 technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features.

[0055] In the description of the present invention, 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 direct connection, or an indirect connection 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 the present invention can be understood according to specific circumstances.

[0056] As attached Figure 1-Figure 13 As shown, in an illustrative embodiment of the refrigerator of the present invention, the refrigerator includes a body 200 , a door 100 and a hinge 700 .

[0057] In the above-mentioned refrigerator, if Figure 1 , Figure 2 , Figure 5 and Figure 7 As shown, the interior of the box body 200 is defined to form a refrigerating chamber 201 and an equipment cavity 202, and the refrigerating chamber 201 is used to refrigerate medical supplies; the refrigerating chamber 201 is provided with a refrigerating chamber opening, and the refrigerating chamber opening is opened on the front side of the box body 200, so that medical supplies can be placed in the refrigerating chamber 201 or taken out from the refrigerating chamber 201 through the refrigerating chamber opening; the equipment cavity 202 is located below the refrigerating chamber 201, and the equipment cavity 202 is used to place refrigeration components such as compressors and condensers for refrigerating the refrigerating chamber 201; the opening of the equipment cavity 202 is at least opened on the front side of the box body 200, so that refrigeration components such as compressors and condensers can be placed in the setting cavity through the opening of the equipment cavity 202.

[0058] like Figure 2 As shown, the cold storage room 201 is provided with a shelf 500 for placing articles. The shelf 500 is usually arranged in plurality, and the plurality of shelves 500 are distributed along the height direction of the box body 200. Arranging the shelf 500 in the cold storage room 201 can not only facilitate the placement of medical articles, but also classify and place the medical articles. Different types of medical articles are placed on different shelves 500 to facilitate the search for required medical articles.

[0059] It should be noted that a slide 600 is also provided in the cold storage chamber 201, and the slide 600 is arranged along the height direction of the box body 200. The shelves 500 are installed on the slide 600, and the fixed position of the shelves 500 on the slide 600 is adjustable so that the distance between adjacent shelves 500 along the height of the box body 200 meets the height requirement for placing items.

[0060] In the above-mentioned refrigerator, if Figure 1 As shown, the door 100 is provided at the opening of the refrigerating chamber, and is used to open or close the refrigerating chamber 201. It should be noted that in some embodiments, the door 100 is a glass door, so that the user can observe the placement of medical items in the refrigerating chamber 201 and related information of the medical items from outside the refrigerating chamber 201.

[0061] In the above-mentioned refrigerator, if Figure 2 As shown, the hinge 700 is used to connect the door 100 and the box body 200; the hinge 700 is fixedly connected to the box body 200, and the hinge 700 is rotatably connected to the door 100, so that the door 100 can open or close the refrigerating chamber 201 in a rotating manner.

[0062] The hinge 700 is located at the front side of the box body 200, and the hinge 700 is fixedly connected to the upper edge of the opening of the refrigerating chamber by fasteners such as bolts or screws.

[0063] like Fig.10 and Fig.12As shown, a first installation cavity 101 is provided on the side of the door 100 facing the box body 200, and the first installation cavity 101 is provided with a first installation cavity opening arranged toward the box body 200. A first rotating shaft 110 is provided in the first installation cavity 101, and the axis of the first rotating shaft 110 extends along the height direction of the box body 200; one end of the hinge 700 connected to the door 100 extends from the first installation cavity opening into the first installation cavity 101 and is connected to the first rotating shaft 110 to realize the rotational connection between the hinge 700 and the door 100.

[0064] It should be noted that when the door 100 is closed, most of the hinges 700 will extend from the opening of the first installation cavity into the first installation cavity 101, so that the hinges 700 in the first installation cavity 101 can be accommodated and hidden, which can not only ensure the overall aesthetics of the refrigerator, but also protect the hinges 700 from dust, prevent the hinges 700 from getting stuck during movement, and increase the reliability of the hinges 700.

[0065] In order to increase the contact area between the hinge 700 and the box body 200, as shown in FIG. Figure 3 As shown, the hinge 700 is provided with a connecting portion 710, which is provided at one end of the hinge 700 away from the first rotating shaft 110, and the connecting portion 710 is in contact with and connected to the upper edge of the refrigerating chamber opening. It should be noted that the connecting portion 710 is in surface contact with the upper edge of the refrigerating chamber opening, and the connecting portion 710 is located outside the first installation cavity 101.

[0066] In some embodiments, the connection portion 710 is formed by bending one end of the hinge 700 away from the door 100 upward.

[0067] In order to limit the rotation angle of the door 100, Figure 4 As shown, the box body 200 is provided with a connecting piece 210, which is arranged at the lower edge of the opening of the refrigerator compartment; a limiting piece 130 is provided at the bottom of the box door 100, and the limiting piece 130 cooperates with the connecting piece 210 to prevent the box door 100 from rotating at too large an angle and colliding with the box body 200.

[0068] In order to increase the rotation stability of the door 100 , the door 100 is connected to a second rotating shaft 120 , which is connected to a connecting member 210 so that the connecting member 210 provides support for the rotation of the door 100 ; the axis of the second rotating shaft 120 is colinear with the axis of the first rotating shaft 110 .

[0069] In some embodiments, at least part of the limit member 130 is located above the connecting member 210 to prevent the connecting member 210 from interfering with the rotation of the door 100; in order to allow the second rotating shaft 120 to be connected to the connecting member 210, the second rotating shaft 120 is arranged along its axis to pass through the limit member 130.

[0070] In other embodiments, the first rotating shaft 110 and the second rotating shaft 120 are designed as an integral unit, that is, the first rotating shaft 110 and the second rotating shaft 120 are the same connecting shaft, and the end of the connecting shaft away from the hinge 700 passes through the door 100 along the height direction of the box body 200 and is connected to the limit member 130, and the connecting shaft passes through the limit member 130 and is rotatably connected to the connecting member 210.

[0071] In the above-mentioned refrigerator, if Figure 1 and Figure 2 As shown, the box body 200 is connected to a front cover 400, which is located at the front side of the box body 200 and is used to close the equipment cavity 202 to maintain the overall aesthetics of the refrigerator; the front cover 400 is arranged protruding from the front side of the box body 200, and when the door 100 closes the refrigerating chamber 201, the front cover 400 is located below the door 100. The front cover 400 is provided with a second installation cavity, and the second installation cavity is provided with a second installation cavity opening, which is provided at the top of the front cover 400, and at least part of the connector 210 is provided in the second installation cavity through the second installation cavity opening, so that the second installation cavity hides the connector 210, thereby ensuring the aesthetics of the medical refrigerating chamber 201.

[0072] like Figure 8 As shown, the connecting member 210 is provided with a blocking portion 211, which is arranged at one end of the connecting member 210 away from the box body 200, and the blocking portion 211 is arranged outside the second installation cavity and located in front of the box body 200, and the limiting member 130 cooperates with the blocking portion 211.

[0073] The connecting member 210 body is arranged along the height direction of the box body 200, and the blocking portion 211 is arranged along the front-to-back direction of the box body 200. There is an angle between the blocking portion 211 and the connecting member 210 body. In order to increase the overall strength of the connecting member 210, the connecting member 210 is provided with ribs 212, and the ribs 212 are used to connect the blocking portion 211 and the connecting member 210 body; at least part of the ribs 212 are located in the second installation cavity.

[0074] like Figure 6 As shown, the box body 200 is provided with a support member 220, and the support member 220 is located below the blocking portion 211, and the top of the support member 220 is in contact with the lower bottom surface of the blocking portion 211, so that the support member 220 supports the blocking portion 211; the support member 220 is connected to the cavity wall of the equipment cavity 202; most of the support members 220 are arranged in the second installation cavity, so that the front cover 400 shields the support member 220, thereby ensuring the overall aesthetics of the refrigerator.

[0075] like Fig.13As shown, the limiting member 130 is provided with a bending portion 131, and one end of the bending portion 131 away from the limiting member 130 is arranged downward, and the bending portion 131 cooperates with the blocking portion 211. When the door 100 is closed, the bending portion 131 is arranged in front of the blocking portion 211, and when the bending portion 131 and the blocking portion 211 abut against each other, the door 100 rotates to the extreme position of the door 100.

[0076] In the above-mentioned refrigerator, the box body 200 is provided with a first locking member, the first locking member is located outside the refrigerator chamber 201 and on the side of the box body 200 away from the first rotating shaft 110, and the box door 100 is provided with a second locking member, the second locking member is located on the side of the box door 100 away from the first rotating shaft 110, and the second locking member cooperates with the first locking member to lock the box door 100.

[0077] like Figure 1 As shown, the box body 200 is provided with a lock cover 300, which is located outside the refrigeration chamber 201 and on the side of the box body 200 away from the first rotating shaft 110; the lock cover 300 is defined to form a accommodating cavity, and the first locking member is arranged in the accommodating cavity; when the second locking member cooperates with the first locking member, the second locking member is arranged in the accommodating cavity.

[0078] By arranging the first locking member and the second locking member in the accommodating cavity, the lock cover 300 can protect the first locking member and the second locking member.

[0079] The working principle of the hinge 700 in the above-mentioned refrigerator is as follows: when the refrigerator chamber 201 is closed, the door 100 rotates toward the direction close to the box body 200, the first rotating shaft 110 rotates synchronously with the door 100, the hinge 700 and the first rotating shaft 110 rotate relative to each other, and the part of the hinge 700 away from the box body 200 extends into the first installing cavity 101 through the opening of the first installing cavity. The first installing cavity 101 hides and protects the hinge 700. When the bending portion 131 abuts against the blocking portion 211, the door 100 rotates to the extreme position.

[0080] The above-mentioned refrigerator can hide the hinge 700, and the overall aesthetics is good; and the hinge 700 is arranged in the first installation cavity 101, and the hinge 700 can also be protected from dust and the like, thereby ensuring the working reliability of the hinge 700; and the overall structure is simple, does not require additional components, has low production costs and is convenient for component management.

[0081] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0082] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for which protection is requested in the utility model.

Claims

1. A refrigerator, characterized in that: include: A box body, a refrigerator compartment is defined in the box body, the refrigerator compartment is provided with a refrigerator compartment opening, and the refrigerator compartment opening is opened at the front side of the box body; A box door is provided at the opening of the refrigerating chamber and is used to open or close the refrigerating chamber; a first installation cavity is provided on a side of the box door facing the box body, and the first installation cavity is provided corresponding to the upper edge of the opening of the refrigerating chamber; the first installation cavity is provided with a first installation cavity opening provided toward the box body; a first rotating shaft is provided in the first installation cavity, and the axis of the first rotating shaft extends along the height direction of the box body; A hinge is arranged on the front side of the box body and located at the upper edge of the opening of the refrigerating chamber; one end of the hinge away from the box body extends from the opening of the first installation cavity into the first installation cavity and is rotatably connected to the first rotating shaft; Wherein, when the box door is closed, at least a portion of the hinge is arranged in the first installation cavity.

2. The refrigerator according to claim 1, characterized in that: The hinge is provided with a connecting portion, which is arranged at one end of the hinge away from the first rotating shaft, and the connecting portion is in contact with and connected to the upper edge of the refrigerating chamber opening.

3. The refrigerator according to claim 1, characterized in that: The box body is provided with a connecting piece, and the connecting piece is arranged at the lower edge of the opening of the refrigerating chamber; the bottom of the box door is provided with a limiting piece, and the limiting piece cooperates with the connecting piece to limit the rotation angle of the box door.

4. The refrigerator according to claim 3, characterized in that: The box door is connected to a second rotating shaft, the second rotating shaft is rotatably connected to the connecting member, and the axis of the second rotating shaft is colinearly arranged with the axis of the first rotating shaft.

5. The refrigerator according to claim 4, characterized in that: At least part of the limiting member is located above the connecting member, and the second rotating shaft is disposed along its axis passing through the limiting member.

6. The refrigerator according to claim 3, characterized in that: The box body is connected to a front cover, the front cover is arranged on the front side of the box body, the front cover is provided with a second installation cavity, the second installation cavity is provided with a second installation cavity opening, the second installation cavity opening is arranged at the top of the front cover, and at least part of the connecting member is arranged in the second installation cavity through the second installation cavity opening.

7. The refrigerator according to claim 6, characterized in that: The connecting member is provided with a blocking portion, the blocking portion is arranged at one end of the connecting member away from the box body, the blocking portion is arranged outside the second installation cavity and extends toward the front of the box body, and the limiting member cooperates with the blocking portion.

8. The refrigerator according to claim 6, characterized in that: The limiting member is provided with a bending portion, one end of the bending portion away from the limiting member is arranged downward, and the bending portion cooperates with the connecting member.

9. The refrigerator according to claim 1 or 3, characterized in that: The box body is provided with a first locking member, which is located outside the refrigerating chamber and on a side of the box body away from the first rotating shaft; the box door is provided with a second locking member, which is located on a side of the box door away from the first rotating shaft, and the second locking member cooperates with the first locking member to lock the box door.

10. The refrigerator according to claim 9, characterized in that: The box body is provided with a lock cover, which is located outside the refrigerating chamber and on the side of the box body away from the first rotating shaft; the lock cover defines a accommodating cavity, and the first locking member is arranged in the accommodating cavity; when the second locking member cooperates with the first locking member, the second locking member is arranged in the accommodating cavity.

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