Refrigerator air duct assembly

Abstract

The utility model provides a refrigerator air duct assembly which comprises two groups of cold air guide ports and an inner drainage blade roller, the specifications of the two groups of cold air guide ports are the same, the front view cross section of each cold air guide port is of a rectangular structure, the front sides of the two groups of cold air guide ports are connected with an air outlet of evaporator equipment in a sealed mode, and the inner drainage blade roller is arranged in the air outlet of the evaporator equipment. A group of cold air guide ports are formed in the air outlet of the evaporator equipment, and a group of sealing covers which are used for being connected with the air outlet of the evaporator equipment in a sealing manner are arranged on the outer side of each group of cold air guide ports. And compared with the prior art, the utility model has the following beneficial effects: the sealing covers are used for being connected with the air outlet of the evaporator equipment in a sealing manner; wind power is actively conducted through the inner heat preservation shell, heat preservation is conducted on the outside of the inner heat preservation shell, cold air is transversely transmitted through the first side guide opening and the second side guide opening, and the outer heat preservation effect is provided for the outer side of the flow dividing pipe through the heat preservation outer layer.

Description

Technical Field

[0001] The utility model belongs to the technical field of refrigerator air ducts and relates to a refrigerator air duct component. Background Art

[0002] The refrigerator air duct is a key component of the refrigerator's internal air circulation system, responsible for evenly distributing cold air throughout the refrigerator's various compartments to ensure that food is effectively cooled and preserved. A well-designed refrigerator air duct system can improve the refrigerator's cooling efficiency, reduce energy consumption, and help prolong the freshness of food. In modern refrigerator designs, the air duct is typically located at the back or sides of the refrigerator. One or more fans draw cold air from the evaporator and direct it through the duct to various parts of the refrigerator. The evaporator is the core component of the refrigerator's refrigeration system, lowering the air temperature by absorbing heat. If the refrigerator air duct cannot quickly regulate the flow rate of cold air, it will lead to a series of problems that affect the refrigerator's performance and food preservation.

[0003] Temperature uniformity inside the refrigerator can be affected. A refrigerator's air duct system is responsible for evenly distributing cold air to all areas. If the air ducts can't quickly regulate the flow of cold air, the cold air may concentrate in certain areas, while other areas don't receive adequate cooling. This can lead to uneven temperatures inside the refrigerator, affecting the freshness of food, especially for foods that are sensitive to temperature fluctuations. Therefore, there is an urgent need for a refrigerator air duct assembly to address this issue. Utility Model Content

[0004] In view of the deficiencies in the prior art, the present invention aims to provide a refrigerator air duct assembly to solve the problems raised in the above background technology.

[0005] The utility model is realized by the following technical solution: a refrigerator air duct assembly, comprising: a cold air guide port and an inner guide vane roller, wherein the cold air guide port is provided in two groups, and the two groups of cold air guide ports have the same specifications;

[0006] The cross-section of the cold air guide ports is a rectangular structure when viewed from the front, and the front sides of the two groups of cold air guide ports are sealed to a group of evaporator device air outlets;

[0007] A group of sealing covers are provided on the outside of each group of cold air ducts for sealing connection with the air outlet of the evaporator device, and several groups of annular blocking inner rings are provided on the inside of the sealing covers. A group of air ducts for transmitting the cold air inside the air outlet of the evaporator device is provided on the rear side of each group of cold air ducts, which can be sealed with the air outlet of the evaporator device by using the sealing covers.

[0008] As a preferred embodiment, the cross-section of the air duct is a trapezoidal structure when viewed from the side, and the lower end is an inclined structure. There are two groups of air ducts, and the rear sides of the two groups of air ducts are interconnected with the interior of a group of diversion pipes.

[0009] As a preferred embodiment, the upper end of the diversion pipe is provided with two groups of upper guide channels for guiding air to the upper layer of the refrigerator. Each group of the upper guide channels is provided with a group of internal sealing gaskets for sealingly connecting with external air duct connectors. The internal sealing gaskets can be used to seal the external air duct connectors.

[0010] As a preferred embodiment, a group of inner insulation shells for actively conducting wind and keeping the outside of the diversion pipe warm are provided inside the middle position of the diversion pipe, a group of upper guide ports for providing wind to the inside of the upper guide channel are provided at the upper end of the inner insulation shell, and a group of side guide ports 1 for providing wind to the inside of the side guide ring pipe 2 are provided on the left side of the inner insulation shell. By using the inner insulation shell, the wind can be actively conducted and the outside can be kept warm.

[0011] As a preferred embodiment, a group of side guide ports 2 for providing wind to the inside of the side guide ring tube 1 is provided on the right side of the inner insulation shell. The side guide ports 1 and 2 have the same specifications, and are both provided with a group of inner guide blade rollers for transverse wind conduction. The front and rear sides of the inner guide blade rollers are movably connected to the inside of the inner insulation shell through a group of sealed bearings, and the rear side of the inner guide blade roller is provided with a group of motors for actively providing rotational power to the inner guide blade roller, which can transmit cold air laterally by using the side guide ports 1 and 2.

[0012] As a preferred embodiment, a plurality of groups of spiral arc blades are provided on the outside of the inner guide blade roller and are evenly distributed on the outside of the inner guide blade roller. A group of side guide ring pipes 2 for transferring the cold air laterally is provided on the left side of the side guide port 1.

[0013] A set of side guide ring pipes 1 for transferring cold air laterally is provided on the right side of the side guide port 2. The side guide ring pipes 1 and 2 are sealedly connected to the side guide port 2 and the side guide port 1 respectively.

[0014] As a preferred embodiment, the outside of the diversion pipe is provided with a group of thermal insulation outer layers for providing thermal insulation effect on the outside of the diversion pipe, the lower end of the thermal insulation outer layer is provided with a group of diversion bottom shells for collecting and diverting condensed water outside the diversion pipe, and the outside of the lower end of the diversion bottom shell is provided with a group of sealing connection seats for sealingly connecting the lower end thereof, which can provide external thermal insulation effect to the outside of the diversion pipe by using the thermal insulation outer layer.

[0015] After adopting the above technical solution, the beneficial effects of the utility model are: by using a sealed cover to seal the air outlet of the evaporator device, by using an inner insulation shell to actively conduct wind power and insulate its outside, by using side guide port 1 and side guide port 2 to transmit cold air laterally, and by using an insulation outer layer to provide an outer insulation effect to the outside of the diversion pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 This is a schematic diagram of the structure of a refrigerator air duct assembly according to the present invention, viewed from the right front oblique side;

[0018] Figure 2 This is a bottom view structural diagram of a cohesive cavity in a refrigerator air duct assembly according to the present invention;

[0019] Figure 3 This is a schematic diagram of the structure of the inner insulation shell in a refrigerator air duct assembly of the present invention, viewed from the left oblique front side;

[0020] Figure 4 This is a left-side structural schematic diagram of an inner guide vane roller inside a side guide port of a refrigerator air duct assembly according to the present invention;

[0021] In the figure: 100-cold air guide port, 110-side fixing frame, 120-sealed cover, 130-air duct, 140-diverter pipe, 150-upper guide channel, 160-inner sealing gasket, 170-side guide ring pipe 1, 180-side guide ring pipe 2, 190-insulation outer layer, 200-guide bottom shell, 210-sealed connecting seat, 220-inner coagulation chamber, 230-upper guide port, 240-side guide buckle 1, 250-side guide buckle 2, 260-inner guide impeller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4A refrigerator air duct assembly includes: a cold air guide port 100, a diverter pipe 140, an inner cohesion chamber 220, and an inner guide vane roller 260. The cold air guide ports 100 are provided in two groups, and the two groups of cold air guide ports 100 have the same specifications.

[0024] The cross-section of the cold air guide 100 is a rectangular structure when viewed from the front. The front sides of the two sets of cold air guide 100 are sealed and connected to the air outlet of the evaporator device.

[0025] Each group of cold air ducts 100 is provided with a group of sealing covers 120 on the outside for sealing connection with the air outlet of the evaporator device, and a plurality of groups of flow-blocking inner rings of annular structures are provided on the inside of the sealing covers 120. Each group of cold air ducts 100 is provided with a group of air ducts 130 on the rear side for transmitting the cold air inside the air outlet of the evaporator device, which can be sealed with the air outlet of the evaporator device by using the sealing covers 120.

[0026] The cross section of the air duct 130 is a trapezoidal structure when viewed from the side, and the lower end is an inclined structure. There are two groups of air ducts 130, and the rear sides of the two groups of air ducts 130 are interconnected with the inside of a group of diversion pipes 140.

[0027] Two groups of upper guide channels 150 for guiding air to the upper layer of the refrigerator are provided at the upper end of the diversion pipe 140. A group of inner sealing gaskets 160 for sealingly connecting with external air duct connectors are provided inside each group of upper guide channels 150. The inner sealing gaskets 160 can be used to seal the external air duct connectors.

[0028] A group of inner insulation shells for actively conducting wind and keeping the outside of the diverter pipe 140 warm are provided inside the middle position of the diverter pipe 140, a group of upper guide ports 230 for providing wind to the inside of the upper guide channel 150 are provided at the upper end of the inner insulation shell, and a group of side guide ports 1 for providing wind to the inside of the opposite side guide ring pipe 2 180 are provided on the left side of the inner insulation shell. The wind can be actively conducted and the outside can be kept warm by using the inner insulation shell.

[0029] A group of side guide ports 2 for providing wind to the inside of the side guide ring tube 170 is provided on the right side of the inner insulation shell. The side guide ports 1 and 2 have the same specifications, and are both provided with a group of inner guide blade rollers 260 for transverse wind conduction. The front and rear sides of the inner guide blade rollers 260 are movably connected to the inside of the inner insulation shell through a group of sealed bearings, and the rear side of the inner guide blade rollers 260 is provided with a group of motors for actively providing rotational power to them, which can transmit cold air laterally by using the side guide ports 1 and 2.

[0030] The outer side of the inner guide roller 260 is provided with a plurality of groups of spiral arc blades, which are evenly distributed on the outer side of the inner guide roller 260. The left side of the side guide port 1 is provided with a group of side guide ring pipes 2 180 for transferring the cold air laterally.

[0031] A set of side guide ring pipes 170 for transferring cold air laterally is provided on the right side of the side guide port 2. The side guide ring pipes 170 and 180 are sealedly connected to the side guide port 2 and the side guide port 1 respectively.

[0032] The outside of the diverter pipe 140 is provided with a group of insulating outer layers 190 for providing insulation effect on the outside thereof, the lower end of the insulating outer layer 190 is provided with a group of diversion bottom shells 200 for collecting and diverting the condensed water outside the diverter pipe 140, and the outer side of the lower end of the diversion bottom shell 200 is provided with a group of sealing connection seats 210 for sealingly connecting the lower end thereof, which can provide an outer insulation effect for the outside of the diverter pipe 140 by using the insulating outer layer 190.

[0033] See also Figures 1-4 As the first embodiment of the present invention: In order to solve the problem that the uniformity of the temperature inside the refrigerator will be affected, the air duct system of the refrigerator is responsible for distributing the cold air evenly to various areas. If the air duct cannot quickly regulate the flow speed of the cold air, the cold air may be concentrated in certain areas, while other areas cannot be cooled sufficiently, which will cause uneven temperature inside the refrigerator and affect the preservation effect of food. First, the cold air is passed through the two sets of cold air inlets through the external evaporator and uniformly transmitted to the inside of the diversion pipe 140 by the two sets of air ducts 130. Since the diversion pipe 14 0 A group of inner insulation shells for actively conducting wind and keeping the outside warm are provided inside the middle position of the inner insulation shell. A group of side guide ports 2 for providing wind to the inside of the side guide ring tube 170 are provided on the right side of the inner insulation shell. The side guide ports 1 and 2 have the same specifications, and are both provided with a group of inner guide blade rollers 260 for conducting lateral wind. The cold air inside the diversion pipe 140 is distributed at a specified flow rate through several groups of inner guide blade rollers 260, and the amount of cold air at different positions is regulated by adjusting the rotation speed of the inner guide blade rollers 260 to meet the use of different functional areas of the refrigerator.

[0034] See also Figures 1-4 , as the second embodiment of the present invention: Based on the description in the above embodiment, further, when the cold air is transmitted for a long time, a temperature difference will be formed on the outer wall of the shunt pipe 140, and condensation water will be formed outside the shunt pipe 140. When a large amount of condensation water is gathered, the dripping condensation water can be retained by the guide bottom shell 200 to prevent the condensation water from damaging the electrical equipment inside the refrigerator.

[0035] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A refrigerator air duct assembly, comprising: The cold air guide port (100), the diversion pipe (140), the inner condensation cavity (220) and the inner guide blade roller (260) are characterized in that: the cold air guide port (100) is provided with two groups, and the two groups of the cold air guide ports (100) have the same specifications; The front cross-section of the cold air guide openings (100) is a rectangular structure, and the front sides of the two groups of cold air guide openings (100) are sealedly connected to a group of evaporator device air outlets; Each group of cold air guide ports (100) is provided with a group of sealing covers (120) on the outside for sealingly connecting with the air outlet of the evaporator device, and a plurality of groups of flow-blocking inner rings with annular structures are provided on the inside of the sealing covers (120). Each group of cold air guide ports (100) is provided with a group of air ducts (130) on the rear side for transmitting the cold air inside the air outlet of the evaporator device.

2. The refrigerator air duct assembly according to claim 1, characterized in that: The cross section of the air duct (130) is a trapezoidal structure when viewed from the side, and the lower end is an inclined structure. Two groups of the air duct (130) are provided, and the rear sides of the two groups of the air duct (130) are interconnected with the interior of a group of diversion pipes (140).

3. The refrigerator air duct assembly according to claim 2, characterized in that: Two groups of upper guide channels (150) for guiding air to the upper layer of the refrigerator are provided at the upper end of the diversion pipe (140), and each group of upper guide channels (150) is provided with a group of inner sealing gaskets (160) for sealingly connecting with an external air duct connector.

4. The refrigerator air duct assembly according to claim 3, characterized in that: A group of inner insulation shells for actively conducting wind power and keeping the outside of the diverter pipe (140) warm are provided inside the middle position of the diverter pipe (140), a group of upper guide ports (230) for providing wind power to the inside of the upper guide channel (150) are provided at the upper end of the inner insulation shell, and a group of side guide ports 1 for providing wind power to the inside of the opposite side guide ring pipe 2 (180) are provided on the left side of the inner insulation shell.

5. The refrigerator air duct assembly according to claim 4, characterized in that: The right side of the inner heat-insulating shell is provided with a side guide port 2 for providing wind force to the inside of the side guide ring tube 1 (170), the side guide port 1 and the side guide port 2 have the same specifications, and are both provided with a group of inner guide blade rollers (260) for conducting lateral wind force, the front and rear sides of the inner guide blade rollers (260) are movably connected to the inside of the inner heat-insulating shell through a group of sealed bearings, and the rear side of the inner guide blade rollers (260) is provided with a group of motors for actively providing rotational power to the inner guide blade rollers (260).

6. The refrigerator air duct assembly according to claim 5, characterized in that: The outer side of the inner guide blade roller (260) is provided with a plurality of groups of spiral arc blades, which are evenly distributed on the outer side of the inner guide blade roller (260); the left side of the side guide port 1 is provided with a group of side guide ring pipes 2 (180) for horizontally transmitting cold air; A set of side guide ring pipes 1 (170) for transferring cold air laterally is provided on the right side of the side guide port 2. The side guide ring pipes 1 (170) and 2 (180) are sealedly connected to the side guide port 2 and the side guide port 1, respectively.

7. The refrigerator air duct assembly according to claim 4, characterized in that: The outer side of the diverter pipe (140) is provided with a group of heat-insulating outer layers (190) for providing heat insulation to the outer side thereof, the lower end of the heat-insulating outer layer (190) is provided with a group of diversion bottom shells (200) for collecting and diverting condensed water outside the diverter pipe (140), and the outer side of the lower end of the diversion bottom shell (200) is provided with a group of sealing connection seats (210) for sealingly connecting the lower end thereof.

Images