A drainable upper end cover for a refrigerator door body, a refrigerator door body, a refrigerator

Abstract

The present invention provides a drainable upper end cover for a refrigerator door body, which includes an upper end cover body arranged at the top of the refrigerator door body. The upper end cover body includes a top end cover. Among them, a drain groove is provided on the top end cover, and a drain port is provided on one side of the drain groove. The present invention also provides a refrigerator door body and a refrigerator. Water enters the drain groove along the outer surface of the top end cover or first enters the area around the drain groove and then flows into the drain groove, and is discharged from the drain port to achieve drainage. The structure is simple, which can not only drain the accumulated water on the upper end cover body, but also does not affect the overall beauty of the upper end cover body.

Description

Technical Field

[0001] The present invention relates to the technical field of household appliances, and particularly to a drainable upper end cover for a refrigerator door body, a refrigerator door body, and a refrigerator. Background Art

[0002] Nowadays, as an essential household appliance, the refrigerator is used frequently and has rich functions. The function of the refrigerator door body is not only to serve as a door to connect and isolate the refrigerator cabinet from the outside world, but also to bring some other spiritual enjoyments to users. For example, a display screen is added to the refrigerator door body to provide users with a diverse intelligent experience. Therefore, inevitably, there will be some structures such as circuit boards and circuit wiring harnesses inside the refrigerator door body. In addition, when users use the refrigerator, due to the water droplets that may condense on the outer wall of the upper end cover of the refrigerator door body, or the water that may penetrate to the outer wall of the upper end cover of the refrigerator door body because users are used to placing green plants on the top of the refrigerator, and the water then penetrates into the refrigerator door body along the connection between the periphery of the upper end cover and the exterior trim strip, the door shell, and the door liner, which may cause potential safety hazards to the circuit. Therefore, a corresponding drainage structure needs to be set up to drain the water existing on the outer wall of the upper end cover without penetrating into the refrigerator door body.

[0003] The existing drainage structure of the refrigerator door body drains water along the side wall of the refrigerator door body to the bottom of the refrigerator door body through a drainage groove, with a complex structure and high requirements for assembly accuracy. Summary of the Invention

[0004] In order to overcome the deficiencies of the prior art, the present invention provides a drainable upper end cover for a refrigerator door body, including an upper end cover body, which is provided with a drainage groove in a closed manner and can effectively drain water, with a simple structure.

[0005] In order to achieve the above object, the present invention is realized through the following technical solutions.

[0006] The first object of the present invention is to provide a drainable upper end cover for a refrigerator door body, including an upper end cover body arranged at the top of the refrigerator door body, and the upper end cover body includes an upper end cover; wherein,

[0007] The upper end cover is provided with a drainage groove, and a drainage port is arranged on one side of the drainage groove; the water on the outer surface of the upper end cover flows to the drainage groove and is discharged from the drainage port.

[0008] Preferably, it further includes a closing cover, and the closing cover is fixed to the top of the upper end cover to close the drainage groove.

[0009] Preferably, the upper end cover and the closing cover are connected by a plurality of screws.

[0010] Preferably, the top cover is provided with a first groove and a second groove for accommodating electrical components; the drainage groove and the second groove are respectively arranged in the first groove, and the drainage opening is arranged on the side wall of the first groove; the closing cover closes the first groove.

[0011] Preferably, the outer wall of the second groove corresponding to the inner area of the first groove extends upward to form a diversion cavity between the inner wall of the first groove; the diversion cavity is connected to the drainage groove;

[0012] At least one screw connection between the top cover and the closing cover corresponds to the diversion cavity, so that the water on the outer wall of the top cover enters the diversion cavity from the screw connection and then flows into the drainage groove.

[0013] Preferably, the upper end cover body is provided with a first through hole for pivotally connecting to the refrigerator cabinet; the drainage opening faces the first through hole.

[0014] Preferably, the top cover is provided with a diversion platform corresponding to the drainage opening, and the height of the diversion platform is lower than the bottom of the drainage opening.

[0015] Preferably, the first through hole is arranged on the diversion platform.

[0016] Preferably, one side wall of the second groove coincides with one side wall of the first groove.

[0017] Preferably, the inner wall of the first groove is provided with a mounting platform for placing the closing cover, so that the outer surface of the closing cover is flush with the outer surface of the top cover.

[0018] Preferably, the inner surface of the closing cover is provided with a diversion protrusion, and the diversion protrusion is provided with a diversion groove; the diversion protrusion corresponds to the diversion cavity to guide water to flow into the drainage groove along the diversion cavity.

[0019] Preferably, the closing cover is provided with a plurality of second through holes, and the top cover is provided with a plurality of threaded holes corresponding to the second through holes for screw connection;

[0020] One end of the diversion protrusion is connected to the outer wall of the second through hole that is far from the drainage groove and corresponds to the diversion cavity.

[0021] Preferably, the bottom of the threaded hole is closed.

[0022] Preferably, the diversion protrusion is provided with a bent extension part to block the water in the diversion cavity from entering the threaded hole located in the diversion cavity and close to the drainage groove.

[0023] Preferably, a first baffle and a second baffle with intersecting positions are arranged near the drain outlet in the drain trough to slow down the drainage speed of the drain outlet.

[0024] Preferably, one end of the closing cover is provided with a bent portion to seal the contact portion between one end of the closing cover and the upper surface of the top cover.

[0025] Preferably, the bottom surface of the drain trough is in a slope shape to guide water to be discharged from the drain outlet.

[0026] The second object of the present invention is to provide a refrigerator door body, including the upper cover body as described above.

[0027] The third object of the present invention is to provide a refrigerator, including a refrigerator door body as described above.

[0028] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0029] A drainable upper cover for a refrigerator door body provided by the present invention has a drain trough on the top cover. When there is accumulated water on the upper surface of the top cover, the water will enter the drain trough along the outer surface of the top cover or first enter the area around the drain trough and then flow into the drain trough, finally realizing drainage, and the structure is simple. In a preferred solution, a closing cover is further included to seal the drain trough. The water enters the upper surface of the top cover along the connection between the top cover and the closing cover, and then enters the drain trough and is discharged, which can not only drain the accumulated water on the upper surface of the upper cover body, but also does not affect the overall beauty of the upper cover body and does not accumulate dust. In a preferred solution of the present invention, a first groove and a second groove are further included. The drain trough and the second groove are both arranged in the first groove. The second groove is used to place electrical components. A diversion cavity is provided on the top cover, and a diversion protrusion and a diversion groove are provided on the closing cover to guide the water entering the first groove, drain the water orderly and smoothly, and will not affect the electrical components in the second groove, making the functions of the upper cover diversified, and avoiding potential safety hazards of the circuit caused by water.

[0030] The above description is only an overview of the technical solution of the present invention. In order to be able to understand the technical means of the present invention more clearly and implement it according to the content of the specification, the following takes the preferred embodiments of the present invention and combines with the drawings to describe in detail as follows. The specific implementation manners of the present invention are given in detail by the following embodiments and their drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The drawings described herein are used to provide a further understanding of the present invention, form a part of this application, and the illustrative embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0032] Figure 1 is a schematic three-dimensional structure diagram of the upper cover body in an embodiment of the present inventionFigure 1 ;

[0033] Figure 2 Exploded structural schematic diagram of the upper end cover body in an embodiment of the present invention;

[0034] Figure 3 Stereoscopic structural schematic diagram of the closing cover in an embodiment of the present invention;

[0035] Figure 4 Cross-sectional view of the upper end cover body in an embodiment of the present invention;

[0036] Figure 5 Stereoscopic structural schematic diagram of the top cover in an embodiment of the present invention;

[0037] Figure 6 Stereoscopic structural schematic diagram of the upper end cover body in an embodiment of the present invention Figure 2 .

[0038] In the figure:

[0039] 110, upper end cover body;

[0040] 111, top cover; 1111, drainage groove; 11111, drainage port; 11112, first baffle; 11113, second baffle; 1112, first groove; 11121, mounting table; 1113, second groove; 1114, diversion cavity; 11141, first diversion cavity; 11142, second diversion cavity; 11143, third diversion cavity; 1115, diversion platform; 11151, first through hole; 1116, threaded hole; 11161, first threaded hole; 11162, second threaded hole;

[0041] 112, closing cover; 1121, diversion protrusion; 11211, diversion groove; 11212, extension part; 1122, second through hole; 1123, bending part. Detailed implementation manners

[0042] The following further elaborates on the present invention in conjunction with the accompanying drawings. The foregoing and other objects, features, aspects, and advantages of the present invention will become more apparent, enabling those skilled in the art to implement it based on the description in the specification. In the drawings, for clarity, the shapes and dimensions may be enlarged, and the same reference numerals will be used throughout all the figures to indicate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, etc. are based on the orientation or positional relationship shown in the drawings. Specifically, "height" corresponds to the dimension from the top to the bottom, "width" corresponds to the dimension from the left to the right, and "depth" corresponds to the dimension from the front to the back. These relative terms are for convenience of description and generally do not require a specific orientation. Terms related to attachment, connection, etc. (e.g., "connect" and "attach") refer to the relationship in which these structures are directly or indirectly fixed or attached to each other through an intermediate structure, as well as a movable or rigid attachment or relationship, unless otherwise explicitly stated.

[0043] Next, in combination with the accompanying drawings and specific embodiments, the present invention will be further described. It should be noted that, on the premise of no conflict, the following-described embodiments or technical features can be arbitrarily combined to form new embodiments.

[0044] Embodiment 1

[0045] As Figure 1 shown, the present invention provides a drainable upper end cap for a refrigerator door body, including an upper end cap body 110 provided at the top end of the refrigerator door body. The upper end cap body 110 includes a top end cap 111; among them,

[0046] The top end cap 111 is provided with a drain groove 1111, and a drain port 11111 is provided on one side of the drain groove 1111;

[0047] The water flowing on the outer surface of the top end cap 111 flows into the drain groove 1111 and is discharged from the drain port 11111.

[0048] Furthermore, as Figure 2 shown, it further includes a closing cap 112. The closing cap 112 is fixed to the top of the top end cap 111 to close the drain groove to prevent dust accumulation in the drain groove. Further, the bottom surface of the drain groove 1111 is in the shape of a slope, gradually becoming lower along the direction towards the drain port 1111, and the drain port 11111 is located on the side where the low end of the slope is located, so as to guide the water to be discharged from the drain port 11111.

[0049] The top cover 111 and the closing cover 112 are connected by a number of screws. The closing cover 112 is provided with a number of second through holes 1122, and the top cover 111 is provided with a number of threaded holes 1116 corresponding to the second through holes 1122. The bottoms of the threaded holes 1116 are closed. The number of threaded holes 1116 and the number of second through holes 1122 correspond to each other one by one for the screws to pass through for screw connection.

[0050] The top cover 111 is provided with a first groove 1112 and a second groove 1113 for placing electrical components; a drain groove 1111 and a second groove 1113 are respectively arranged in the first groove 1112, and a drain port 11111 is arranged on the side wall of the first groove 1112; the closing cover 112 covers the first groove 1112, and the closing cover 112 seals the first groove 1112, leaving a notch at the position corresponding to the drain port 11111 for the drain groove 1111 to drain water.

[0051] The outer wall of the second groove 1113 corresponding to the inner area of the first groove 1112 extends upward to form a diversion cavity 1114 between the inner wall of the first groove 1112; the diversion cavity 1114 is connected to the drain groove 1111;

[0052] At least one screw connection part between the top cover 111 and the closing cover 112 corresponds to the diversion cavity 1114, so that the water on the outer wall of the top cover 111 enters the diversion cavity 1114 from the screw connection part and then flows into the drain groove 1111.

[0053] As Figure 2 shown, the first threaded hole 11161 located in the diversion cavity 1114 is a common threaded hole, and the second threaded hole 11162 located in the second groove 1113 for accommodating electrical components can be a threaded hole made of a micro-expansion material or waterproof treatment is carried out in the threaded hole, so that after the screw is screwed into the second threaded hole 11162, the screw and the second threaded hole 11162 form a sealed connection structure, and the water on the outer wall of the upper cover body 110 will not fall into the second groove 1113, but will only specifically fall into the diversion cavity 1114 for diversion and drainage to achieve effective and safe drainage.

[0054] The upper cover body 110 is provided with a first through hole 11151 for pivotally connecting to the refrigerator cabinet; the drain port 11111 faces the first through hole 11151, and the drain port 11111 is close to the pivot connection part of the refrigerator door body and the refrigerator cabinet, facilitating the water discharged from the drain port 11111 to fall from the side wall or door seal of the door body near the pivot connection part of the refrigerator door body and the refrigerator cabinet.

[0055] The top cover 111 is provided with a diversion platform 1115 corresponding to the drain outlet 11111. The height of the diversion platform 1115 is lower than the bottom of the drain outlet 11111, so that the water accumulated in the drain groove 1111 is discharged along the drain outlet 11111 onto the diversion platform 1115, and then falls along the side wall of the door body or the door seal near the diversion platform 1115.

[0056] The first through hole 11151 is arranged on the diversion platform 1115. That is, the drain groove 1111 and the diversion platform 1115 are close to the pivoting joint of the refrigerator door body and the refrigerator cabinet body. It falls along the side wall of the door body or the door seal near the diversion platform 1115, and the drainage route is hidden and safe, without affecting the user experience.

[0057] One side wall of the second groove 1113 coincides with one side wall of the first groove 1112 to increase the space of the second groove 1113 for accommodating electrical components. Such as Figure 2 shown, the second groove 1113 is rectangular, and three outer walls form a diversion cavity 1114 with the inner area of the first groove 1112, and one side wall coincides with one side of the first groove 1112.

[0058] The inner wall of the first groove 1112 is provided with a mounting platform 11121 for placing the closing cover 112, so that the outer surface of the closing cover 112 is flush with the outer surface of the top cover 111. That is, one surface of the closing cover 112 fits on the mounting platform 11121, the side wall of the closing cover 112 located in the first groove 1112 fits with the inner wall of the first groove 1112, and the outer surface of the closing cover 112 is flush with the outer surface of the top cover 111, so that the upper surface of the upper cover body 110 is flat and beautiful.

[0059] Such as Figure 3 、 Figure 4 shown, the inner surface of the closing cover 112 is provided with a diversion protrusion 1121, and the diversion protrusion 1121 is provided with a diversion groove 11211; the diversion protrusion 1121 corresponds to the diversion cavity 1114 to guide water to flow into the drain groove 1111 along the diversion cavity 1114.

[0060] In one embodiment, one end of the diversion protrusion 1121 is connected to the outer wall of the second through hole 1122 that is far from the drain groove 1111 and corresponds to the diversion cavity 1114, so as to guide the water on the outer surface of the closing cover 112 to leave preferentially from the connection part of the closing cover 112 and the second through hole 1122 that is far from the drain groove and corresponds to the diversion cavity 1114, and then flow to the drain groove 1111 along the diversion cavity 1114 to dredge the water flow, so as to prevent too much water from accumulating on the surface of the top cover 111. Such as Figure 2 、 Figure 5 shown, the drain groove 1111 is close to the pivoting joint of the refrigerator door body and the refrigerator cabinet body, and the second through hole 1122 that is far from the drain groove 1111 and corresponds to the diversion cavity 1114 and the drain groove 1111 are respectively located on both sides of the second groove 1113.

[0061] The diversion protrusion 1121 extends into the diversion cavity 1114 and does not contact the bottom surface of the diversion cavity 1114, leaving a space for water to flow along the diversion cavity 1114. Since the water accumulated on the upper end cover 110 will not be in a large amount, and the screw connection between the top cover 111 and the closed cover 112 is relatively tight, the water will enter the first threaded hole 11161 in the diversion cavity 1114 in the form of water droplets or fine water flows along the screw connection between the top cover 111 and the closed cover 112. The water overflows from the first threaded hole 11161 and, under the pushing action of its own gravity, enters the drainage groove 1111 along the diversion groove 11211 provided on the diversion protrusion 1121 for drainage. Due to the diversion effect of the diversion groove 11211, the water is easily diverted along the diversion groove 11211, and the water on the upper end cover body 110 easily flows downward from the second through hole 1122 connected to the diversion protrusion 1121, and then enters the corresponding area of the diversion cavity 1114 corresponding to the second through hole 1122. Further, for the sake of clear explanation, as Figure 2 、 Figure 5 shown, the first diversion cavity 11141 is far from the drainage groove 1111, the third diversion cavity 11143 is close to the drainage groove 1111, and the second diversion cavity 11142 is located between the first diversion cavity 11141 and the third diversion cavity 11143. The water easily flows in from the second through hole 1122 connected to the diversion protrusion 1121 and flows through the first diversion cavity 11141, the second diversion cavity 11142, and the third diversion cavity 11143 in sequence along the diversion groove 11211, and finally flows into the drainage groove 1111.

[0062] The diversion protrusion 1121 is provided with a bent extension part 11212 to block the water in the diversion cavity 1114 from entering the threaded hole 1116 located in the diversion cavity 1114 and close to the drainage groove 1111. That is, as Figure 2 、 Figure 3 shown, the two first threaded holes 11161 in the third diversion cavity 11143 close to the drainage groove 1111 are partially blocked by the extension part 11212 from the drainage groove 1111. If there is water accumulation on the surface of the third diversion cavity 11143, the water will flow to the lower place, that is, flow into the drainage groove 1111. Even if there is too much water accumulation on the surface of the third diversion cavity 11143, due to the partial blockage of the extension part 11212 and the different sizes of the spaces on both sides of the extension part 11212, the water accumulation on the surface of the third diversion cavity 11143 is not easy to flow to the two first threaded holes 11161, but directly flows into the drainage groove 1111; if the water on the outer surface of the upper end cover body 110 flows into the two first threaded holes 11161 in the third diversion cavity 11143 and overflows, since there is still a gap between the extension part 11212 and the surface of the third diversion cavity 11143, the water flows through this gap and flows to the drainage groove 1111 to achieve drainage.

[0063] Inside the drain trough 1111, near the drain opening 11111, there are first baffles 11112 and second baffles 11113 with intersecting positions, which achieve two - stage blocking of the water flow to slow down the drainage speed and drainage volume of the drain opening 11111, so that the water flowing to the diversion platform 1115 can smoothly fall to the side wall or door seal of the door body, to avoid the water discharged from the drain opening 11111 accumulating on the surface of the diversion platform 1115.

[0064] As Figure 3 shown, one end of the closing cover 112 is provided with a bent portion 1123 to seal the abutting portion between one end of the closing cover 112 and the upper surface of the top cover 111, so as to improve the waterproof performance of the upper end cover body 110. Since the closing cover 112 is provided with the bent portion 1123, which is bent and closely attached to an outer wall of the top cover 111, the height of the side wall of the first groove 1112 near the bent portion 1123 of the top cover 111 does not exceed the height of the installation table 11121 and can support one end of the closing cover 112.

[0065] Embodiment 2

[0066] The present invention provides a refrigerator door body, including the upper end cover body 110 as described above.

[0067] In one embodiment, it further includes a door liner and a door panel body. The other three - peripheral frames of the door body are assembled with the upper end cover body 110 to form a door body frame. The door liner is arranged in parallel with the door panel body and is fixedly connected to the periphery by the door body frame. Further, a foaming layer is provided to form a foamed door body assembly. Further, it also includes a display screen assembly, and the display screen assembly is detachably installed on the foamed door body assembly.

[0068] Embodiment 3

[0069] The present invention provides a refrigerator, including a refrigerator door body as described above. The water accumulated on the top of the refrigerator can be discharged along the drain trough 1111 of the upper end cover body 110. Usually, when users use the refrigerator, there will generally not be a situation where a large amount of water is spilled onto the top of the refrigerator. Generally, there will be some condensed water droplets or water permeated from green plant potted plants. Through the drainable upper end cover body 110, the water can be effectively drained, so as to avoid water accumulating on the top of the refrigerator or water permeating into the refrigerator door body, resulting in potential safety hazards to the circuit.

[0070] Compared with the prior art, the present invention provides a drainable upper end cover for a refrigerator door body, which realizes drainage, has a simple structure, can not only drain the water accumulated on the upper end cover body, but also does not affect the overall aesthetics of the upper end cover body, does not accumulate dust, and the upper end cover can be provided for placing electrical components without potential safety hazards to the circuit.

[0071] The above are only the preferred embodiments of the present invention and do not impose any form of limitation on the present invention. Any ordinary technician in the industry can smoothly implement the present invention according to what is shown in the accompanying drawings of the specification and the above. However, any minor changes, modifications, and equivalent variations made by those skilled in the art within the scope of the technical solution of the present invention by using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications, and evolutions made to the above embodiments based on the substantial technology of the present invention still fall within the protection scope of the technical solution of the present invention.

Claims

1. A drainable upper cover for a refrigerator door body, comprising an upper cover body (110) arranged at the top end of the refrigerator door body, characterized in that, The upper end cover body (110) includes a top end cover (111); wherein, The top end cover (111) is provided with a drainage groove (1111), and a drainage port (11111) is provided on one side of the drainage groove (1111); the water flowing on the outer surface of the top end cover (111) flows into the drainage groove (1111) and is discharged from the drainage port (11111); The top end cover (111) is provided with a first groove (1112) and a second groove (1113) for accommodating electrical components; the outer wall of the second groove (1113) corresponding to the inner area of the first groove (1112) extends upward to form a diversion cavity (1114) with the inner wall of the first groove (1112); The upper end cover body (110) is provided with a first through hole (11151) for pivotally connecting to the refrigerator cabinet; the drainage port (11111) faces the first through hole (11151); The top end cover (111) is provided with a diversion platform (1115) corresponding to the drainage port (11111), and the height of the diversion platform (1115) is lower than the bottom of the drainage port (11111); the first through hole (11151) is arranged on the diversion platform (1115); At a position near the drainage port (11111) in the drainage groove (1111), there are first baffles (11112) and second baffles (11113) with staggered positions to slow down the drainage speed of the drainage port (11111); The bottom surface of the drainage groove (1111) is a slope surface, and the drainage port (11111) is located on the side where the low end of the slope surface is located to guide water to be discharged from the drainage port (11111).

2. The drainable upper end cover for a refrigerator door body according to claim 1, characterized in that, It further includes a closing cover (112), and the closing cover (112) is fixed on the top of the top end cover (111) to close the drainage groove (1111).

3. The drainable upper end cap for a refrigerator door body according to claim 2, wherein The top end cover (111) and the closing cover (112) are connected by a plurality of screws.

4. The drainable upper end cap for a refrigerator door body according to claim 3, wherein, The drainage groove (1111) and the second groove (1113) are respectively arranged in the first groove (1112), and the drainage port (11111) is arranged on the side wall of the first groove (1112); the closing cover (112) closes the first groove (1112).

5. The drainable upper end cover for a refrigerator door body according to claim 4, characterized in that, The diversion cavity (1114) is connected to the drainage groove (1111); At least one screw connection part between the top end cover (111) and the closing cover (112) corresponds to the diversion cavity (1114), so that the water on the outer wall of the top end cover (111) enters the diversion cavity (1114) from the screw connection part and then flows into the drainage groove (1111).

6. A drainable upper end cap for a refrigerator door body according to claim 4, characterized in that, One side wall of the second groove (1113) coincides with one side wall of the first groove (1112).

7. A drainable upper end cover for a refrigerator door body according to claim 4, characterized in that, The inner wall of the first groove (1112) is provided with an installation platform (11121) for placing the closing cover (112) so that the outer surface of the closing cover (112) is flush with the outer surface of the top end cover (111).

8. The drainable upper end cover for a refrigerator door body according to claim 2, characterized in that, The inner surface of the closing cover (112) is provided with a flow guiding projection (1121), and the flow guiding projection (1121) is provided with a flow guiding groove (11211); the flow guiding projection (1121) corresponds to the flow guiding cavity (1114) to guide water to flow into the drain tank (1111) along the flow guiding cavity (1114).

9. The drainable upper end cap for a refrigerator door body according to claim 8, wherein, The closing cover (112) is provided with a plurality of second through holes (1122), and the top cover (111) is provided with a plurality of threaded holes (1116) corresponding to the second through holes (1122) for screw connection; One end of the flow guiding projection (1121) is connected to the outer wall of the second through hole (1122) that is away from the drain tank (1111) and corresponds to the flow guiding cavity (1114).

10. A drainable upper end cap for a refrigerator door body according to claim 9, characterized in that, The bottom of the threaded hole (1116) is closed.

11. The drainable upper end cap for a refrigerator door body according to claim 9, wherein, The flow guiding projection (1121) is provided with a bent extension part (11212) to block the water in the flow guiding cavity (1114) from entering the threaded hole (1116) located in the flow guiding cavity (1114) and close to the drain tank (1111).

12. A refrigerator door body, characterized in that, It includes the upper cover body (110) according to any one of claims 1-11.

13. A refrigerator, characterized in that, It includes a refrigerator door body according to claim 12.

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