Refrigerator air duct cover plate

Abstract

The utility model discloses a refrigerator air duct cover plate, specifically related to refrigerator accessories field, install the buckle ring for the joint in the air duct cover plate edge, set up the anti-condensation slope in the air duct cover plate middle part, the top of anti-condensation slope is penetrated with a plurality of equidistance distribution's flow guide hole, set up the back and forth movement's flow guide piece outside flow guide hole, set up the flow guide plate in the anti-condensation slope bottom, and the flow guide plate bottom end is inclined to the refrigerator inside, and the surface of flow guide plate is provided with a plurality of flow guide grooves. The utility model utilizes flow guide hole and evenly disperses to the refrigerator inside with cold air, avoids partial supercooling, and the flow guide piece can move back and forth, adjusts the cold air flow and direction, realizes dynamic distribution, and the flow guide plate is inclined to the refrigerator inside, and the surface sets up flow guide groove, further guides cold air and flows along the preset path, reduces the cold air stagnation.

Description

Technical Field

[0001] This utility model relates to the field of refrigerator accessories, and more specifically, to a refrigerator air duct cover. Background Technology

[0002] The refrigerator's air duct system is one of the core components of the refrigeration cycle. Its cover, as a key carrier for cold air distribution, directly affects the refrigerator's temperature control uniformity, energy efficiency, and long-term stability. Traditional air duct covers often use fixed air vents or simple grille structures. This concentrated, direct airflow causes ice buildup in areas near the duct (such as the back wall of the refrigerator compartment), while drawers or doors further away remain warm, affecting food preservation. Condensation generated during heat exchange tends to accumulate on the cover surface or inside the duct. Especially in high-humidity environments, accumulated water and ice can clog air vents, increasing resistance to cold air circulation and forcing the compressor to run at high frequency, thus increasing energy consumption (experiments show that duct blockage can increase energy consumption by more than 20%). While existing technologies attempt to improve drainage by adding drain holes or increasing slope, the lack of a systematic airflow design means that localized water accumulation problems still exist. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a refrigerator air duct cover plate. A snap-fit ​​ring strip for locking is installed at the edge of the air duct cover plate. An anti-condensation slope is provided in the middle of the air duct cover plate. Several equidistant guide holes are penetrating through the top of the anti-condensation slope. A guide plate that moves back and forth is provided on the outside of the guide holes. A guide plate is provided at the bottom of the anti-condensation slope. The bottom end of the guide plate is inclined towards the inside of the refrigerator. Several guide grooves are opened on the surface of the guide plate.

[0004] In a preferred embodiment, a plurality of rubber sealing rings are installed on the inner sidewall of the snap ring strip.

[0005] In a preferred embodiment, the anti-condensation slope is integrated with the air duct cover, and the anti-condensation slope is recessed towards the inside of the refrigerator and inclined at the edge.

[0006] In a preferred embodiment, a plurality of guide vanes are connected by connecting rods, and a positioning plate is fixedly installed on the inner side wall of the air duct cover. A servo push rod is fixed on the positioning plate, and the output shaft of the servo push rod is fixedly connected to the outermost guide vane.

[0007] In a preferred embodiment, the guide vane is arc-shaped, with one edge of the guide vane in contact with the surface of the anti-condensation slope.

[0008] The technical effects and advantages of this utility model are as follows:

[0009] 1. This utility model uses guide holes to evenly distribute cold air into the refrigerator, avoiding local overcooling. The guide plate can move back and forth to adjust the flow and direction of cold air and achieve dynamic distribution. The guide plate is inclined to the inside of the refrigerator and has guide grooves on its surface to further guide the cold air to flow along a preset path and reduce cold air stagnation.

[0010] 2. The anti-condensation slope is recessed towards the inside of the refrigerator and has an inclined edge. It adopts an integrated recessed structure to guide the condensate water along the slope to the bottom guide plate, and finally collects it through the guide channel to the drain outlet, preventing water from accumulating and freezing to block the air duct. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0012] Figure 2 This is a schematic diagram of the structure of this utility model facing the inside of the refrigerator.

[0013] Explanation of reference numerals in the attached drawings: 1. Duct cover plate, 2. Clip-on strip, 3. Anti-condensation slope, 4. Guide hole, 5. Guide plate, 6. Guide plate, 7. Guide groove, 8. Rubber sealing ring, 9. Connecting rod, 10. Servo push rod, 11. Positioning plate. Detailed Implementation

[0014] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the present invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described to better illustrate the principles and practical applications of the present invention, and to enable those skilled in the art to understand the present invention and design various embodiments with various modifications suitable for a particular purpose.

[0015] like Figure 1-2 The refrigerator air duct cover shown has a snap ring strip 2 installed at the edge of the air duct cover 1 for snapping, an anti-condensation slope 3 provided in the middle of the air duct cover 1, a number of equally distributed guide holes 4 penetrating through the top of the anti-condensation slope 3, a guide plate 5 that moves back and forth provided outside the guide holes 4, a guide plate 6 provided at the bottom of the anti-condensation slope 3, the bottom of the guide plate 6 is inclined towards the inside of the refrigerator, and a number of guide grooves 7 are opened on the surface of the guide plate 6.

[0016] Based on the above, during operation, the guide holes 4 are located at the top of the anti-condensation slope 3 and are evenly distributed to distribute the cold air evenly into the refrigerator, avoiding local overcooling. The guide plate 5 can move back and forth to adjust the flow rate and direction of the cold air and achieve dynamic distribution. The guide plate 6 is inclined towards the inside of the refrigerator and has a guide groove 7 on its surface to further guide the cold air to flow along the preset path and reduce the stagnation of cold air.

[0017] Several rubber sealing rings 8 are installed on the inner wall of the buckle strip 2. The buckle strip 2 fixes the edge of the cover plate, and the rubber sealing rings 8 enhance the sealing performance, prevent cold air leakage and external moisture intrusion, and reduce energy consumption.

[0018] The anti-condensation slope 3 is integrated with the air duct cover 1. The anti-condensation slope 3 is recessed towards the inside of the refrigerator and is inclined at the edge. The integrated recessed structure guides the condensate to flow along the slope to the bottom guide plate 6, and finally collects it at the drain outlet through the guide groove 7, preventing water from accumulating and freezing to block the air duct.

[0019] A connecting rod 9 connects several guide vanes 5. A positioning plate 11 is fixedly installed on the inner wall of the air duct cover 1. A servo push rod 10 is fixed on the positioning plate 11. The output shaft of the servo push rod 10 is fixedly connected to the outermost guide vane 5.

[0020] Based on the above, the servo push rod 10 and the connecting rod 9 are used to control its back and forth movement, adjust the airflow and direction, and achieve dynamic distribution. For example, the position of the guide vane 5 can be adjusted according to the needs of the refrigerator or freezer compartment to enhance the cooling intensity of a specific area.

[0021] The guide vane 5 is arc-shaped, with one edge of the guide vane 5 fitting against the surface of the anti-condensation slope 3. The arc-shaped curved surface design reduces airflow noise.

[0022] Furthermore, the guide hole 4 and the adjustable guide plate 5 work together to dynamically adjust the coverage of cold air, solving the problem of "cold zone" and "hot zone" caused by the fixed air guide in the traditional air duct cover 1. The anti-condensation slope 3 and the guide groove 7 form a systematic drainage path, which significantly reduces the residual condensate. Combined with the sealing design, it reduces the probability of frost formation and the frequency of manual defrosting.

[0023] Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art and related fields based on the embodiments of this utility model without creative effort should fall within the protection scope of this utility model. Structures, devices, and operating methods not specifically described and explained in this utility model, unless otherwise specified or limited, shall be implemented according to conventional means in the art.

Claims

1. A refrigerator air duct cover, characterized in that, A snap-fit ​​strip is installed at the edge of the duct cover for snapping. An anti-condensation slope is set in the middle of the duct cover. Several equidistant guide holes are penetrating through the top of the anti-condensation slope. A guide vane that moves back and forth is set on the outside of the guide holes. A guide plate is set at the bottom of the anti-condensation slope. The bottom of the guide plate is inclined towards the inside of the refrigerator. Several guide grooves are opened on the surface of the guide plate.

2. The refrigerator air duct cover plate of claim 1, wherein: Several rubber sealing rings are installed on the inner wall of the buckle strip.

3. The refrigerator air duct cover plate of claim 1, wherein: The anti-condensation slope is integrated with the air duct cover, and the anti-condensation slope is recessed towards the inside of the refrigerator and inclined at the edge.

4. The refrigerator air duct cover plate of claim 1, wherein: A series of guide vanes are connected by connecting rods. A positioning plate is fixedly installed on the inner wall of the air duct cover. A servo push rod is fixed on the positioning plate. The output shaft of the servo push rod is fixedly connected to the outermost guide vane.

5. The refrigerator air duct cover plate of claim 4, wherein: The guide vane is arc-shaped, with one edge of the guide vane in contact with the surface of the anti-condensation slope.

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