Refrigerator and glass door thereof

Abstract

The present application provides a refrigerator and a glass door thereof. The glass door for the refrigerator comprises a glass plate body and an outer frame for being hinged to a cabinet or a door body of the refrigerator, the outer frame extending along the edge of the glass plate body and being fixedly connected to the edge of the glass plate body, and the outer frame covering part of the edge of the glass plate body. The glass door of the present application is more lightweight, has a more beautiful appearance, and makes the overall thickness of the refrigerator with a composite door structure thinner.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of refrigeration technology, and in particular, to a refrigerator and a glass door thereof. BACKGROUND

[0002] The door body of a conventional refrigerator usually comprises an outer door shell and an inner door liner, and a thick foaming layer is usually arranged between the door shell and the door liner. A bottle seat and other storage devices are arranged on the door liner. Such a door body is very thick and heavy, and it is difficult for a user to open and close the door.

[0003] With the advancement of technology, some composite door structures have appeared in the field of refrigerators. An inner storage compartment is formed in the door body of a refrigerator, and a sub-door is arranged on the front side of the door body to open and close the inner storage compartment. For a refrigerator with such a composite door structure, the door body is thicker and heavier due to the arrangement of the double-layer door body and the storage of more storage objects in the door body, which not only affects the user experience of opening and closing the door, but also seriously affects the appearance of the refrigerator. SUMMARY

[0004] The present application aims to at least solve one of the above-mentioned defects in the prior art, and to provide a glass door for a refrigerator which is more lightweight and has a more beautiful appearance.

[0005] Another object of the present application is to provide a refrigerator applying the glass door.

[0006] A further object of the present application is to make the overall thickness of a refrigerator with a composite door structure thinner.

[0007] In one aspect, the present application provides a glass door for a refrigerator, comprising:

[0008] a glass plate body; and

[0009] an outer frame for being hingedly connected to a cabinet or a door body of the refrigerator, the outer frame extending along an edge of the glass plate body and being fixedly connected to the edge of the glass plate body; and

[0010] the outer frame covering part of the edge of the glass plate body.

[0011] Optionally, the outer frame comprises a vertical frame and two horizontal frames bent and extended from both ends of the vertical frame in the length direction, so as to cover part of a vertical edge and two horizontal edges of the glass plate body.

[0012] Optionally, the part of the horizontal edge of the glass plate body not covered by the horizontal frame has a handle part protruding in the vertical direction.

[0013] Optionally, the ratio of the length of each horizontal frame to the length of the horizontal edge of the glass door body is between 2 / 5 and 3 / 5.

[0014] Optionally, the outer frame is formed with a clamping groove with an opening facing the edge of the glass plate body, so as to clamp and fix the edge of the glass plate body.

[0015] Optionally, the glass plate body is made of vacuum glass.

[0016] In another aspect, the present application also provides a refrigerator comprising the glass door according to any one of the above.

[0017] Optionally, the refrigerator comprises a cabinet body with an open front side to define a first chamber; a door body mounted on the cabinet body to open and close the first chamber, the door body defining a second chamber with an open front side; and the glass door mounted on the door body to open and close the second chamber.

[0018] Optionally, the rear wall of the door body is provided with an air supply opening and an air return opening, both of which communicate with the first chamber and the second chamber; the rear wall is hollow, and the inside of the rear wall defines a dew removal air duct communicating with the first chamber; the front surface of the rear wall is provided with a plurality of dew removal holes communicating with the second chamber and the dew removal air duct; the refrigerator is configured to be in a cooling supply cycle mode in which air in the first chamber enters the second chamber through the air supply opening and then returns to the first chamber through the air return opening, or in a dew removal mode in which air in the first chamber enters the dew removal air duct, so that part of the air flow flows to the front surface of the rear wall through the dew removal holes to remove condensation on the surface of the rear wall.

[0019] Optionally, the arrangement density of the dew removal holes gradually decreases in the direction from the air supply opening to the air return opening.

[0020] The glass door for a refrigerator of the present application comprises a glass plate body and an outer frame fixedly connected, and the outer frame is hinged to other components (such as a cabinet body or a door body) of the refrigerator. The glass door is thinner than a conventional door body and has a more beautiful appearance. Moreover, the outer frame of the present application is not a complete square frame, but a half-frame structure, so that it only covers part of the edge of the glass plate body. On the basis of ensuring the connection strength, the total length of the outer frame is smaller, the weight is lighter, the cost is lower, and the appearance is more unique. In addition, the glass plate body of the present application is made of vacuum glass, so that it has better heat insulation performance.

[0021] Further, the glass door of the present application is particularly suitable for a composite door refrigerator, and the door body is provided with a second chamber which is opened and closed by the glass door. Since the glass door is thinner, it is more labor-saving to open and close the second chamber. Moreover, this structure also makes the total thickness of the door body (including the door body and the glass door) of the composite door refrigerator not too thick, and the weight not too heavy, so that it is more labor-saving to open and close the door body as a whole. In addition, since the outer frame of the glass door is a half-frame structure, the user's field of view is wider, and more details in the second chamber can be observed, which improves the grade of the product.

[0022] Further, the present application can effectively remove the condensation on the inner wall of the second chamber by specially designing the door. Specifically, the present application specially makes the rear wall of the door hollow to define a defrosting air duct and makes the front surface of the rear wall open a plurality of defrosting holes. When the second chamber needs normal refrigeration, the refrigerator runs a cooling cycle mode to make the air in the first chamber enter the second chamber through the air supply port to refrigerate the second chamber. When the rear wall surface of the second chamber (i.e. the front surface of the rear wall of the door) needs to be defrosted, the refrigerator runs a defrosting mode to make the air in the first chamber enter the defrosting air duct inside the rear wall of the door so that part of the air flow flows to the front surface of the rear wall through the defrosting holes. The relative humidity of the air in the defrosting air duct is necessarily lower than that of the original air flow near the condensation (the relative humidity of the air near the condensation is necessarily very high), so the low-humidity air introduced into the defrosting air duct can promote the evaporation of the condensation.

[0023] Moreover, the refrigerator of the present application does not use the traditional method of electric heating or introducing hot air to the rear wall when running the defrosting mode, but uses the cold air in the first chamber to defrost, which basically does not affect the normal refrigeration of the second chamber, and the structure design is very ingenious.

[0024] The above and other objects, advantages and features of the present application will become more apparent from the following detailed description of some embodiments thereof, when considered with the attached drawings. BRIEF DESCRIPTION OF DRAWINGS

[0025] Some embodiments of the present application will be described in detail with reference to the attached drawings below. The same reference numbers in different drawings denote the same or similar components or parts. It should be understood by those skilled in the art that the drawings are not necessarily drawn to scale. In the drawings:

[0026] Figure 1 is a structural schematic view of a glass door for a refrigerator according to an embodiment of the present application;

[0027] Figure 2 is a structural schematic view of a glass door according to an embodiment of the present application; Figure 1

[0028] Figure 3 is a structural schematic view of the assembly of the door body and the glass door in a refrigerator according to an embodiment of the present application;

[0029] Figure 4 is a schematic view of a refrigerator according to an embodiment of the present application in a cooling cycle mode;

[0030] Figure 5 is an enlarged view of A in Figure 4

[0031] Figure 6 is an enlarged view of B in Figure 4 ​​The diagram shows the state of the refrigerator when it is in decondensation mode.

[0032] Figure 7 yes Figure 6 Enlarged view of point B. Detailed Implementation

[0033] The following reference Figures 1 to 7 This invention describes an embodiment of a refrigerator and its glass door. The terms "front," "rear," "upper," "lower," "top," "bottom," "inner," "outer," and "lateral," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention.

[0034] This invention provides a glass door for a refrigerator, which is installed on the refrigerator body or door to open and close the corresponding storage compartment.

[0035] Figure 1 This is a schematic diagram of the structure of a glass door for a refrigerator according to an embodiment of the present invention; Figure 2 yes Figure 1 An exploded view of the glass door shown. Figure 1 and Figure 2 As shown, the glass door 300 for a refrigerator according to an embodiment of the present invention generally includes a glass panel 310 and an outer frame 320. The glass panel 310 is flat and constitutes the main body of the glass door 300. The glass panel 310 may be made of vacuum glass to improve its heat insulation performance.

[0036] The outer frame 320 is used for hinged to the refrigerator body or door. For example... Figure 1 As shown, the outer frame 320 has hinge shafts 323 at both its upper and lower ends to achieve hinged connection with the box or door. The outer frame 320 extends along the edge of the glass panel 310 and is fixedly connected to the edge of the glass panel 310. That is, the outer frame 320 only covers the edge portion of the glass panel 310, so that the main part of the glass panel 310 is not obstructed, thus utilizing its transparency advantage. The outer frame 320 covers only part of the edge of the glass panel 310. That is, the remaining edge of the glass panel 310 is exposed.

[0037] In the embodiment of the present application, the glass door 300 is thinner than the conventional door body, and has a more beautiful appearance. In addition, the outer frame 320 is not a complete square frame, but a half-frame structure, which only covers part of the edges of the glass plate body 310. On the basis of ensuring the connection strength, the total length of the outer frame 320 is shorter, the weight is lighter, the cost is lower, and the appearance is more unique. The glass door body of some existing furniture or other products usually adopts a fully enclosed outer frame structure, so that all the edges of the glass are covered, which lacks innovation. The embodiment of the present application breaks through the shackles of this design habit and creates a new glass door design concept.

[0038] In some embodiments, as shown in Figure 1 and Figure 2 , the outer frame 320 includes a vertical edge frame 321 and two horizontal edge frames 322 extending from both ends of the vertical edge frame 321 in the length direction (the outer frame 320 as a whole is a "U" shape with the opening facing the open side of the glass door 300), to cover part of a vertical edge and two horizontal edges of the glass plate body 310. The shape of the outer frame 320 is beneficial to the arrangement of the hinge structure, and can meet the strength requirement of the outer frame 320. In addition, the structure is the most simple, the weight is the lightest, and more material costs are saved.

[0039] Further, the ratio of the length of each horizontal edge frame 322 to the length of the horizontal edge of the glass door 300 body can be between 2 / 5 and 3 / 5, to achieve the best combination of strength and lightness.

[0040] In some embodiments, as shown in Figure 1 and Figure 2 , the outer frame 320 can be formed with a clamping groove 328 opening towards the edge of the glass plate body 310, to clamp and fix the edge of the glass plate body 310, to realize the fixed connection between the outer frame 320 and the glass plate body 310. This fixing method is simple in structure and has a very firm connection. Of course, in some alternative embodiments, other ways can also be used to complete the connection between the two, such as through the bonding method.

[0041] In some embodiments, as shown in Figure 1 and Figure 2 , the section of one horizontal edge of the glass plate body 310 which is not covered by the horizontal edge frame 322 has a handle part 311 protruding in the vertical direction. For example, the right section of the lower edge of the glass plate body 310 forms a downward protruding handle part 311 (the part indicated by the dashed line frame of Figure 1 is the handle part 311). In this embodiment, the handle part 311 is formed by the shape of the glass plate body 310 itself, without the need to additionally set a handle of plastic or other materials on the glass surface, so that the overall structure of the glass plate body 310 is more simple.

[0042] The embodiment of the present application also provides a refrigerator comprising the glass door 300 of any of the above embodiments. The refrigerator of the embodiment of the present application is not additionally limited in structure. The refrigerator can be refrigerated by a vapor compression refrigeration cycle system, a semiconductor refrigeration system or other means. According to different refrigeration temperatures, the chambers in the refrigerator can be divided into a refrigeration chamber, a freezing chamber and a variable temperature chamber. For example, the temperature in the refrigeration chamber is generally controlled to be between 2-10°C, preferably 4-7°C. The temperature in the freezing chamber is generally controlled to be between -22- -14°C. The variable temperature chamber can be adjusted to be between -18-8°C to achieve a variable temperature effect. The optimal storage temperature of different kinds of goods is not the same, and the storage chamber suitable for storage is also not the same. For example, vegetable food is suitable to be stored in the refrigeration chamber, and meat food is suitable to be stored in the freezing chamber.

[0043] The glass door 300 of the present application is particularly suitable for a composite door refrigerator. Figure 3 is a schematic view of the assembly structure of the door body and the glass door 300 in a refrigerator according to an embodiment of the present application; Figure 4 is a schematic view of a refrigerator according to an embodiment of the present application in a refrigeration cycle mode.

[0044] As shown in Figure 3 and Figure 4 , the refrigerator is a composite door refrigerator, specifically, the refrigerator comprises a cabinet 100, a door body 200 and a glass door 300. The front side of the cabinet 100 is open to define a first chamber 101. The door body 200 is installed on the cabinet 100 for opening and closing the first chamber 101, and the door body 200 defines a second chamber 201 with an open front side. The glass door 300 is installed on the door body 200 for opening and closing the second chamber 201. The first chamber 101 of the embodiment of the present application is preferably a refrigeration chamber. The front side of the door body 200 can be provided with a sealing strip 400 for sealing with the rear surface of the glass door 300. The front side of the door body 200 can also be provided with a magnet 500 for attracting another magnet on the glass door 300, so that the glass door 300 is more tightly closed, reducing the leakage of cold air.

[0045] The door body 200 can be rotatably installed on the cabinet 100 at the front side of the cabinet 100, and the front side of the door body 200 is open to define the aforementioned second chamber 201, so that the glass door 300 is rotatably installed on the door body 200 at the front side of the door body 200. When the door body 200 is opened, the user accesses goods from the first chamber 101. When the door body 200 is closed and the glass door 300 is opened, the user can access goods from the second chamber 201.

[0046] The embodiment of the present application opens and closes the second chamber 201 by the glass door 300. Since the glass door 300 is lighter and thinner, the user can open and close the second chamber 201 more easily. Moreover, the total thickness of the door body (including the door body 200 and the glass door 300) of the composite door refrigerator is not too thick, and the weight is not too heavy, so that the opening and closing of the door body is more labor-saving. In addition, since the outer frame 320 of the glass door 300 is a half-frame structure, the user's field of view is wider, and more details in the second chamber 201 can be observed, thereby improving the grade of the product.

[0047] Figure 5 is an enlarged view of A of Figure 4 Figure 6 is a state diagram of the refrigerator shown in Figure 4 when it is in a dew removal mode; Figure 7 is an enlarged view of B of Figure 6 , and the arrows in each diagram indicate the direction of the air.

[0048] The existing composite door refrigerator often has the problem of condensation on the inner wall of the door body chamber (the second chamber 201 of the present application). The inventor realizes that since the rear wall 211 of the door body 200 is close to the first chamber 101, heat conduction can occur between the air in the first chamber 101 and the rear wall 211, so the temperature of the front surface of the rear wall 211 is lower than that of the other walls of the second chamber 201, and condensation is more likely to occur.

[0049] Based on the above understanding, the embodiment of the present application specially designs the door body 200 to remove dew from the front surface of the rear wall 211 of the second chamber 201. Specifically, the rear wall 211 of the door body 200 is provided with an air supply port 212 and an air return port 214, both of which communicate the first chamber 101 and the second chamber 201. Moreover, the rear wall 211 of the door body 200 is hollow, and the inside of the rear wall 211 defines a dew removal air duct 215 that communicates the first chamber 101. That is, the hollow space of the rear wall 211 constitutes the dew removal air duct 215. The front surface of the rear wall 211 is provided with a plurality of dew removal holes 2154 that communicate the second chamber 201 and the dew removal air duct 215. The refrigerator is configured to be in a cooling circulation mode in which the air in the first chamber 101 enters the second chamber 201 through the air supply port 212 and then returns to the first chamber 101 through the air return port 214, so as to use the cold air in the first chamber 101 to cool the second chamber 201, as shown in Figure 4 and Figure 5 . Alternatively, the refrigerator is in a dew removal mode in which the air in the first chamber 101 enters the dew removal air duct 215, so that part of the air flow flows to the front surface of the rear wall 211 through the dew removal holes 2154 to remove the condensation on the surface, as shown in Figure 6 and Figure 7 .

[0050] ​In the embodiment of the present application, the refrigerator is in the aforementioned cooling cycle mode in the normal state. However, when the door is opened to introduce wet air or high-humidity storage, and a large amount of condensation appears on the front surface of the rear wall 211 of the door body 200, the refrigerator can be controlled to run in the aforementioned condensation removal mode, so that the air in the first chamber 101 enters the condensation removal air duct 215 inside the rear wall 211 of the door body 200, so that part of the air flow flows to the front surface of the rear wall 211 through the condensation removal hole 2154. Since the relative humidity of the air in the condensation removal air duct 215 is necessarily lower than the relative humidity of the original air flow at the front surface of the rear wall 211 of the door body 200 (the relative humidity of the air near the condensation is necessarily very high), the low-humidity air introduced into the condensation removal air duct 215 can promote the evaporation of the condensation, and complete the condensation removal process. When the condensation removal is completed, the refrigerator can be controlled to switch to the cooling cycle mode.

[0051] The switching time of the cooling cycle mode and the condensation removal mode can be automatically controlled by the refrigerator, for example, the running mode of the refrigerator is automatically switched according to the detection result of the humidity sensor. It can also be manually controlled, for example, the user can manually switch the running mode of the refrigerator when he finds that the condensation removal is needed or the condensation removal is needed to be stopped.

[0052] The refrigerator in the embodiment of the present application also does not use the traditional method of electric heating or introducing hot air to the rear wall 211 when running in the condensation removal mode, but still uses the cold air of the first chamber 101 for condensation removal. The condensation removal process basically does not affect the normal refrigeration of the second chamber 201, and the structure design is very ingenious.

[0053] In some embodiments, as shown in Figure 4 and Figure 6 The condensation removal air duct 215 can be connected to the inlet 2151 and the outlet 2152 of the first chamber 101, so as to form an air circulation between the condensation removal air duct 215 and the first chamber 101, to avoid the air flow for condensation removal from being accumulated near the condensation removal hole 2154 and unable to circulate, thereby affecting the condensation removal effect. In addition, the refrigerator is further configured to: when in the cooling cycle mode, the inlet 2151 and the outlet 2152 are respectively in a closed state and an open state; and when in the condensation removal mode, the inlet 2151 and the outlet 2152 are both in an open state. That is, when in the cooling cycle mode, only the inlet 2151 of the condensation removal air duct 215 needs to be closed. When in the condensation removal mode, the inlet 2151 of the condensation removal air duct 215 is opened. Since the opening and closing of the inlet 2151 and the outlet 2152 of the condensation removal air duct 215 have been controlled to control the conduction and closure of the condensation removal air duct 215, the outlet 2152 of the condensation removal air duct 215 does not need to be controlled. In the two modes, the outlet 2152 of the condensation removal air duct 215 is in a normal open state and does not need to be controlled, so as to simplify the structure and control of the refrigerator.

[0054] In some embodiments, as shown in Figure 4 andFigure 6 As shown, the inlet 2151 of the dew removal air duct 215 can penetrate the sidewall of the air supply port 212 to communicate with the air supply port 212. That is, the dew removal air duct 215 communicates with the first chamber 101 by using the air supply port 212, and there is no need to open another hole in the rear wall 211. The outlet 2152 of the dew removal air duct 215 can also penetrate the sidewall of the air return port 214 to communicate with the air return port 214. That is, the dew removal air duct 215 communicates with the first chamber 101 by using the air return port 214, and there is no need to open another hole in the rear wall 211. This design structure is very ingenious, simplifying the opening structure of the rear wall 211 of the door body 200, and the rear surface of the rear wall 211 of the door body 200 only needs to be directly provided with the air supply port 212 and the air return port 214.

[0055] In some embodiments, as shown in Figure 4 and Figure 6 , the air supply port 212 and the air return port 214 are respectively located at the top and bottom of the rear wall 211. When the refrigerator is in the cooling cycle mode, cold air flows into the second chamber 201 from the air supply port 212, and due to the relatively large density, it has a sinking effect and will flow downward and sequentially cool each height region of the second chamber 201. After the air temperature gradually rises, it flows back to the first chamber 101 from the air return port 214 at the bottom of the second chamber 201. In this way, a more unobstructed air circulation is formed, and the cooling effect of the second chamber 201 is improved. When the refrigerator is in the dew removal mode, cold air enters the dew removal air duct 215 from the top of the dew removal air duct 215, which is also more conducive to downward flow, making the dew removal air duct 215 have better flow and facilitating the dew removal process.

[0056] As shown in Figure 5 and Figure 7 , the refrigerator can further include an air door 216, which is installed at the air supply port 212 and is configured to be controllably moved to a cooling state (as shown in Figure 5 ) in which the inlet 2151 is closed and the air supply port 212 is open, or to a dew removal state (as shown in Figure 7 ) in which the inlet 2151 is open and the air supply port 212 is closed. This embodiment effectively utilizes the advantage that the inlet 2151 communicates with the air supply port 212, and uses one air door 216 to control the air supply port 212 and the inlet 2151, simplifying the air inlet and outlet control, and the design is very ingenious.

[0057] Specifically, as shown in Figure 5 and Figure 7 , one end of the air door 216 can be rotatably installed at the front edge of the inlet 2151, so as to be rotated to the cooling state (as shown in Figure 5 ) or the dew removal state (as shown in Figure 7 ). In the embodiment of the present application, there is no need to set a complex movement mechanism and control logic, and only the rotation of one air door 216 can complete the switching of the operation mode of the refrigerator, greatly simplifying the structure and control.

[0058] In some embodiments, as shown in Figures 4 to 7 The refrigerator further comprises a fan 230 located at the air supply port 212 for facilitating the air flow of the first chamber 101 to the air supply port 212 to accelerate the cooling cycle speed. Of course, for the scheme that the air inlet 2151 is communicated with the air supply port 212, the fan 230 is also used to facilitate the air flow of the first chamber 101 to the dew removal air duct 215.

[0059] The inventor realizes that the closer to the air supply port 212, the more condensation produced by the rear wall 211 of the door body 200, and the closer to the air return port 214, the less condensation. For this reason, the embodiments of the present application particularly design the arrangement density of the dew removal holes 2154, and gradually decrease the arrangement density of the dew removal holes 2154 in the direction from the air supply port 212 to the air return port 214 to match the change trend of the condensation degree at different positions of the rear wall 211 of the door body 200 and reduce the excessive and meaningless openings. The opening area of the rear wall 211 of the door body 200 can be distributed throughout the front surface of the rear wall 211 to achieve sufficient dew removal, or can be distributed in a part of the front surface of the rear wall 211. The opening rate of the dew removal holes 2154 can be 30% to 80%. The dew removal holes 2154 can be arranged in a matrix or other arrangement. The dew removal holes 2154 can be circular, oval, square or other shapes. Preferably, the dew removal holes 2154 are long strip holes with the length direction parallel to the air flow direction of the dew removal air duct 215, which is beneficial to destroy the integrity of the dew drops and accelerate the dispersion and evaporation of the dew drops.

[0060] At this point, those skilled in the art should recognize that although the present application has been shown and described in detail a plurality of exemplary embodiments, many other variations or modifications can be directly determined or deduced according to the disclosure of the present application without departing from the spirit and scope of the present application, which conform to the principles of the present application. Therefore, the scope of the present application should be understood and recognized as covering all these other variations or modifications.

Claims

1. A refrigerator characterized by The refrigerator comprises: a cabinet with an open front side to define a first chamber; a door body mounted on the cabinet to open and close the first chamber, the door body defining a second chamber with an open front side; and a glass door mounted on the door body to open and close the second chamber; a rear wall of the door body is provided with an air supply opening and an air return opening, both of which communicate with the first chamber and the second chamber; the rear wall is hollow, and an internal portion of the rear wall defines a dew removal air duct communicating with the first chamber; a front surface of the rear wall is provided with a plurality of dew removal holes communicating with the second chamber and the dew removal air duct; the refrigerator is configured to be in a cooling circulation mode in which air in the first chamber enters the second chamber through the air supply opening and returns to the first chamber through the air return opening, or in a dew removal mode in which air in the first chamber enters the dew removal air duct, and part of the air flow flows to the front surface of the rear wall through the dew removal holes to remove condensation on the surface of the front surface of the rear wall. The glass door comprises: a glass plate body; and an outer frame for being hingedly connected to the cabinet or the door body of the refrigerator, the outer frame extending along an edge of the glass plate body and being fixedly connected to the edge of the glass plate body; and the outer frame covers part of the edge of the glass plate body, and both ends of the outer frame are provided with hinge shafts to realize hinged connection with the cabinet or the door body.

2. The refrigerator according to claim 1, wherein the outer frame comprises a vertical frame and two horizontal frames bent and extended from both ends of the vertical frame in the length direction to cover part of a vertical edge and two horizontal edges of the glass plate body.

3. The refrigerator according to claim 2, wherein a section of the horizontal edge of the glass plate body that is not covered by the horizontal frame has a handle portion protruding in the vertical direction.

4. The refrigerator according to claim 2, wherein a ratio of the length of each horizontal frame to the length of the horizontal edge of the glass door body is between 2 / 5 and 3 / 5.

5. The refrigerator according to claim 1, wherein the outer frame is formed with a clamping groove with an opening facing the edge of the glass plate body to clamp and fix the edge of the glass plate body.

6. The refrigerator according to claim 1, wherein the glass plate body is made of vacuum glass.

7. The refrigerator according to claim 1, wherein in a direction from the air supply opening to the air return opening, the arrangement density of the dew removal holes gradually decreases. ​ ​ ​

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