CN113218122A - Air door mechanism and refrigerator - Google Patents

Air door mechanism and refrigerator Download PDF

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Publication number
CN113218122A
CN113218122A CN202110441382.1A CN202110441382A CN113218122A CN 113218122 A CN113218122 A CN 113218122A CN 202110441382 A CN202110441382 A CN 202110441382A CN 113218122 A CN113218122 A CN 113218122A
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CN
China
Prior art keywords
air
air duct
air door
door
damper
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Pending
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CN202110441382.1A
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Chinese (zh)
Inventor
徐茂启
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anhui Konka Tongchuang Household Appliances Co Ltd
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Anhui Konka Tongchuang Household Appliances Co Ltd
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Application filed by Anhui Konka Tongchuang Household Appliances Co Ltd filed Critical Anhui Konka Tongchuang Household Appliances Co Ltd
Priority to CN202110441382.1A priority Critical patent/CN113218122A/en
Publication of CN113218122A publication Critical patent/CN113218122A/en
Pending legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D11/00—Self-contained movable devices, e.g. domestic refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
    • F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
    • F25D17/06—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation
    • F25D17/062—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection by forced circulation in household refrigerators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D29/00—Arrangement or mounting of control or safety devices

Abstract

The invention relates to the technical field of refrigerators, and provides an air door mechanism and a refrigerator, wherein the air door mechanism comprises: the shell is internally provided with at least one air channel communicated with the compartment; the air door is arranged in the air channel, the air door can rotate in the air channel through the driving of the driving mechanism and can be positioned to any angle, so that the air channel is controlled to be communicated to a closed state, and the adjustment and control of the amount of cold air entering the compartment are realized. The air door is arranged in the air duct, so that the space is saved, and the integral structure of the air door mechanism is simpler and more compact; in the use, only need drive air door pivot in the wind channel to rotate, alright in order to realize closing the wind channel, opening the wind channel, also can rotate the volume of wind size of fixing a position to different angles in the wind channel through the drive air door simultaneously, and close the wind channel, open the wind channel, adjust the whole process of wind channel air volume and do not receive the influence of atmospheric pressure, improved the bearing capacity of product, and then improved the reliability of product.

Description

Air door mechanism and refrigerator
Technical Field
The invention relates to the technical field of refrigerators, in particular to a damper mechanism and a refrigerator.
Background
A refrigerator is a refrigerating apparatus for maintaining freshness of food and extending a preservation life of food, which achieves the above-described effects by maintaining a constant low temperature.
The refrigerator on the market is usually provided with a freezing chamber and a refrigerating chamber, an evaporator is arranged in the freezing chamber, the evaporator enables the freezing chamber to keep a low temperature below 18 ℃ below zero through cooling air, meanwhile, a fan is further arranged in the freezing chamber and drives the cold air to move, so that the cold air continuously circulates between the freezing chamber and the refrigerating chamber, and therefore the refrigerating chamber can also obtain a low temperature and cannot frost. The temperature of the refrigerating chamber is mainly regulated and controlled through an air door mechanism, and when the temperature of the refrigerating chamber is too high and refrigeration is needed, the air door is opened to enable cold air to flow into the refrigerating chamber; when the temperature of the refrigerating chamber reaches the preset temperature, the air door is closed, so that cold air cannot enter the refrigerating chamber, and the refrigerating chamber stops refrigerating.
Air door mechanism among the prior art sets up the wind door plant that can rotate through the air door body that has the ventilation hole, and in the use, accessible drive wind door plant rotates and makes the ventilation hole open entirely to realize ventilating, can also rotate through drive wind door plant and make ventilation hole full cut-off, in order to avoid the ventilation hole ventilative. It is thus clear that need reserve the activity space of wind door plant pivoted around installation air door mechanism to lead to whole air door mechanism to occupy spatial position great, and can't adjust the air volume according to actual conditions, even this structure is adjusted the wind door plant and is opened to a certain angle, also can't guarantee under the wind pressure that this angle can not produce the change.
Disclosure of Invention
The invention aims to provide a damper mechanism and a refrigerator, and aims to solve the technical problems that the damper mechanism in the prior art occupies a large space and cannot adjust ventilation quantity according to actual conditions.
In order to achieve the purpose, the invention adopts the technical scheme that:
in one aspect, the present invention provides a damper mechanism comprising:
the air duct is used for communicating with the compartment;
the air door is arranged in the air channel, and can rotate in the air channel through the driving of the driving mechanism and be positioned to any angle so as to control the full communication of the air channel to a closed state and realize the regulation and control of the amount of cold air entering the compartment.
According to the air door mechanism, the air channels are arranged in the shell side by side and are respectively communicated with the chambers;
and each air duct is internally provided with the air door which is respectively used for adjusting and controlling the air volume entering each chamber.
According to the above-mentioned damper mechanism, the wind channel includes:
the air conditioner comprises a first air channel, a second air channel and a control device, wherein a first air door is arranged in the first air channel and used for adjusting the air quantity entering a first chamber;
a second air duct, wherein a second air door is arranged in the second air duct and is used for adjusting the air quantity entering the second chamber;
and a third air duct, wherein a third air door is arranged in the third air duct, and the third air door is used for adjusting the air volume entering the third chamber.
According to the air door mechanism, a first shunting rib is arranged in the shell, and the first shunting rib and the inner wall of the shell form a first air channel;
a second flow dividing rib is further arranged in the shell, and the second flow dividing rib and the first flow dividing rib form a second air duct;
the second flow dividing ribs and the inner wall of the shell form the third air duct.
According to the air door mechanism, the air door is a cylinder, a ventilation through hole is formed in the cylinder, and cold air enters the air channel through the ventilation through hole;
or the air door is a triangular cylinder;
or the air door is an elliptic cylinder;
or the air door is a semi-cylinder.
According to the above, the air door mechanism further comprises a driving mechanism, and the driving mechanism is arranged above the shell and connected with the air door to drive the air door to rotate.
According to the above, the air door mechanism further comprises a centrifugal fan, the centrifugal fan is arranged inside the shell, and the centrifugal fan sucks cold air from an air inlet of the shell and blows the cold air out of the air outlet into the air channel.
According to the above-mentioned damper mechanism, the wind channel includes:
a main air duct section;
the air duct comprises an involute air duct section, a main air duct section and the involute air duct section, wherein the main air duct section is communicated with the involute air duct section, one side, far away from the main air duct section, of the involute air duct section is an air duct air inlet, and one side, far away from the involute air duct section, of the main air duct section is an air duct air outlet.
According to the aforesaid air door mechanism, the air door is the cylinder, the diameter of air door is greater than the width of main wind channel section, the air door is located in the air channel section of gradually opening.
On the other hand, the invention also provides a refrigerator comprising the air door mechanism.
The air door mechanism and the refrigerator provided by the invention have the beneficial effects that at least:
according to the air door mechanism and the refrigerator, the air door is arranged in the air channel, so that the space is saved, and further, the whole structure of the air door mechanism is simpler and more compact, the installation is convenient, and the cost is low; in the use, only need drive air door pivot in the wind channel to rotate, alright in order to realize closing the wind channel, opening the wind channel, also can rotate the volume of wind size of fixing a position to different angles in the wind channel through the drive air door simultaneously, and close the wind channel, open the wind channel, adjust the whole process of wind channel air volume and do not receive the influence of atmospheric pressure, improved the bearing capacity of product, and then improved the reliability of product.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
FIG. 1 is a first schematic structural diagram of a damper mechanism according to an embodiment of the present invention;
FIG. 2 is a schematic view of a damper mechanism including a damper according to an embodiment of the present invention;
FIG. 3 is a second schematic structural view of a damper mechanism according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a triangular prism provided in the embodiments of the present invention;
fig. 5 is a schematic structural diagram of an elliptical cylinder provided in an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a semi-cylinder according to an embodiment of the present invention;
fig. 7 is a third schematic structural diagram of a damper mechanism according to an embodiment of the present invention.
Wherein, in the figures, the respective reference numerals:
Figure BDA0003035204180000041
Figure BDA0003035204180000051
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly or indirectly secured to the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element. The terms "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positions based on the orientations or positions shown in the drawings, and are for convenience of description only and not to be construed as limiting the technical solution. The terms "first", "second" and "first" are used merely for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. The meaning of "plurality" is two or more unless specifically limited otherwise.
Referring to fig. 1 in combination with fig. 2, the present embodiment provides a damper mechanism 100, including: the device comprises a shell 10, wherein at least one air duct 11 used for being communicated with a compartment is arranged in the shell 10; the air door 12 is arranged in the air duct 11, the air door 12 can be driven by a driving mechanism to rotate in the air duct 11 and can be positioned at any angle, so that the ventilation through hole 121 and the air duct 11 are controlled to be communicated in a closed state, and the adjustment and control of the amount of cold air entering the compartment are realized.
The operation principle of the damper mechanism 100 according to the present embodiment is as follows:
the air door mechanism 100 provided by this embodiment, be provided with air door 12 in wind channel 11, when the cold wind amount of wind that gets into the room needs to be adjusted, actuating mechanism drive air door 12 rotates, when rotating air door 12 and plugging up wind channel 11, wind channel 11 is in the closed condition, then indicate that cold wind in the freezer room can't get into the room, when rotating air door 12 and not plugging up wind channel 11, wind channel 11 is in the open condition, then indicate that cold wind in the freezer room can get into the room, and the cold wind amount of wind that gets into the room can be realized through rotating air door 12 to different angles, and then realize adjusting the amount of wind that cold wind of freezer room got into the cold wind of room according to actual conditions, simultaneously, air door 12 pivoted arbitrary angle can all be fixed a position, can not rotate at will, that is, even under the effect of wind pressure, can not influence its change of location angle yet.
The damper mechanism 100 provided by the present embodiment has at least the following beneficial effects:
in the air door mechanism 100 provided by the embodiment, the air door 12 is arranged in the air duct 11, so that the space is saved, and further, the overall structure of the air door mechanism 100 provided by the embodiment is simpler and more compact, and is convenient to install and low in cost; in the use process, the air duct 11 can be closed and the air duct 11 can be opened only by driving the air door 12 to rotate in situ in the air duct 11, meanwhile, the air volume in the air duct 11 can be adjusted by driving the air door 12 to rotate and position to different angles, the whole process of closing the air duct 11, opening the air duct 11 and adjusting the air volume of the air duct 11 is not influenced by air pressure, the pressure bearing capacity of a product is improved, and the reliability of the product is further improved.
In one embodiment, the air duct 11 is multiple, and the multiple air ducts 11 are arranged in the housing 10 side by side and are respectively used for communicating with the multiple chambers; each air duct 11 is internally provided with the air door 12 which is respectively used for adjusting and controlling the air volume entering each chamber.
In a specific use process, because the cold air volume required by the compartments included in the refrigerator is different, in this embodiment, a plurality of air ducts 11 are arranged in the casing 10, and the air ducts 11 are arranged side by side, that is, the air duct air inlets of the air ducts 11 are in the same direction, so that the cold air can conveniently and rapidly enter the air ducts 11 when being blown into the casing 10. Meanwhile, one air door 12 is arranged in each air duct 11, so that the corresponding adjustment and control of the cold air volume entering one air duct 11 by each air door 12 can be realized, that is, the air door 12 is controlled to adjust the cold air volume passing through the air duct 11 in real time according to the cold air volume required by each compartment, and further, the cold air volume entering each compartment is adjusted in real time. Compared with the conventional situation that each compartment is correspondingly provided with one air door mechanism, in the embodiment, a plurality of air channels 11 are arranged in the shell 10 of the air door mechanism 100, and each air channel 11 is correspondingly communicated with one compartment, so that the use number of the air door mechanism 100 is reduced, the refrigerator using the air door mechanism 100 provided by the embodiment simplifies the structure of the refrigerator as a whole, and increases the effective use space of the refrigerator.
In one embodiment, referring to fig. 3, the air duct 11 includes: a first air duct 11a, wherein a first air door 12a is arranged in the first air duct 11a, and the first air door 12a is used for adjusting the air volume entering the first compartment; a second air duct 11b, wherein a second air door 12b is arranged in the second air duct 11b, and the second air door 12b is used for adjusting the air volume entering the second compartment; and a third air duct 11c, wherein a third air door 12c is arranged in the third air duct 11c, and the third air door 12c is used for adjusting the air volume entering a third compartment.
Through setting up three wind channel 11, three air door 12 to the realization is respectively to the amount of wind of three compartments carry out regulation control. Optionally, the first compartment may be a fresh-keeping compartment, the second compartment may be a temperature-changing compartment, and the third compartment may be a refrigerating compartment. It should be understood that the number of the air ducts 11, the number of the dampers 12, and the number of the corresponding compartments are not limited to the above values, but may be other values, such as: two air ducts 11 and two air doors 12 may be provided, and two compartments may be provided correspondingly, or four air ducts 11 and four air doors 12 may be provided, and four compartments may be provided correspondingly, which is not limited herein.
In one embodiment, please continue to refer to fig. 3, a first flow dividing rib 13 is disposed in the housing 10, and the first flow dividing rib 13 and the inner wall of the housing 10 form the first air duct 11 a; a second flow dividing rib 14 is further arranged in the housing 10, and the second flow dividing rib 14 and the first flow dividing rib 13 form the second air duct 11 b; the second flow dividing rib 14 and the inner wall of the housing 10 form the third air duct 11 c. The three air ducts 11 are formed by matching the first flow dividing ribs 13 and the second flow dividing ribs 14 with the inner wall of the casing 10, and the three air ducts 11 are arranged side by side, that is, the air duct air inlets of the three air ducts 11 are in the same direction, so that cold air conveniently blown into the casing 10 can enter the three air ducts 11 respectively.
In one embodiment, referring to fig. 2, the damper 12 is a cylinder, and the cylinder is provided with a ventilation through hole 121, and the cool air enters the air duct 12 through the ventilation through hole 121. In a specific use process, when the ventilation through hole 121 on the air door 12 is not communicated with the air duct 11, that is, the air duct 11 is in a closed state, it indicates that cold air in the freezing chamber cannot enter the compartment; when the ventilation through hole 121 of the air door 12 is communicated with the air duct 11, that is, the air duct 11 is in an open state, it indicates that cold air in the freezing chamber can enter the compartment, and the size of the communication quantity between the ventilation through hole 121 and the air duct 11 can be adjusted by rotating the air door 12 and positioning the air door to different angles, so that the air quantity of the cold air entering the compartment from the cold air in the freezing chamber can be adjusted according to actual conditions.
Alternatively, the ventilation through-holes 121 are rectangular in shape. It should be understood that the shape of the vent through hole 121 is not limited to the rectangular shape described above, and may be other shapes, which are not limited herein.
In one embodiment, referring to fig. 4, the damper 12 is a triangular prism. In a specific use process, after the triangular cylinder is rotated, cold air entering the shell 10 enters the air duct 12 through a gap between the outer wall of the triangular cylinder and the air duct 1.
In one embodiment, referring to fig. 5, the damper 12 is an elliptical cylinder. In a specific use process, after the elliptical cylinder rotates, cold air entering the shell 10 enters the air duct 12 through a gap between the outer wall of the elliptical cylinder and the air duct 1.
In one embodiment, referring to FIG. 6, the damper 12 is a semi-cylinder. In a specific use process, after the semi-cylinders are rotated, cold air entering the housing 10 enters the air duct 12 through a gap between the outer walls of the semi-cylinders and the air duct 1.
It should be understood that the form and shape of the damper are not limited to the above, and other cases are also possible, and are not limited thereto.
In a specific arrangement, referring to fig. 3, three dampers 12 respectively disposed in the three air ducts 11 are all configured as cylinders, and the cross-sectional shapes of the ventilation through holes 121 are all rectangular.
In another specific arrangement, referring to fig. 7, the first damper 12a is configured as a triangular prism, the second damper 12b is configured as an elliptical cylinder, and the third damper 12c is configured as a semi-cylinder.
In one embodiment, the damper mechanism 100 further includes a driving mechanism (not shown, the same applies below) disposed above the housing 10 and connected to the damper 12 to drive the damper 12 to rotate. The driving mechanism is arranged to conveniently drive the air door 12 to rotate in the air duct 11, so as to completely close the air duct 11, completely open the air duct 11 and adjust the volume of cold air in the air duct 11. Optionally, the drive mechanism is a stepper motor.
Optionally, a connecting shaft 122 is arranged on the air door 12, and the stepping motor is connected with the connecting shaft 122, so as to drive the whole air door 12 to rotate.
In one embodiment, referring to fig. 3, the damper mechanism 100 further includes a centrifugal fan 15, the centrifugal fan 15 is disposed inside the housing 10, and the centrifugal fan 15 sucks cold air from the housing air inlet 101 and blows the cold air out of the air duct 11 through an air outlet (not shown in the drawings, the same applies below). The centrifugal fan 15 sucks cold air outside the casing 10 through the casing air inlet 101, and then blows out the cold air through the air outlet, the cold air blown out from the air outlet can enter the air duct 11, and cold air can be conveyed to the compartment through the adjustment and control of the air door 12. And the centrifugal fan 15 is arranged inside the casing 10, and the air door 12 is also arranged inside the casing 10, so that the whole air door mechanism 100 is compact in structure and stronger in integrity.
In one embodiment, referring to fig. 1, the air duct 11 includes: a main air duct section 111; the main air duct section 111 is communicated with the involute air duct section 112, one side of the involute air duct section 112 away from the main air duct section 111 is an air duct air inlet 1121 (the involute end of the involute air duct section 112 is the air duct air inlet 1121, and correspondingly, the tapered end is connected with the main air duct section 111), and one side of the main air duct section 111 away from the involute air duct section 112 is an air duct air outlet 1111. The gradually-opened air duct section 112 is disposed so that the cold air from the air outlet enters the gradually-opened air duct section 112 through the air duct air inlet 1121, and then enters the main air duct section 111 through the adjustment and control of the air door 12, and the cold air is delivered to each compartment through the air duct air outlet 1111.
In one embodiment, continuing to refer to fig. 1, the damper is a cylinder, the diameter of the damper 12 is larger than the width of the main duct section 111, and the damper 12 is disposed in the involute duct section 112. The arrangement is such that when the air duct 11 needs to be completely closed, the damper 12 is rotated, so that the side of the damper 12 not provided with the ventilation through hole blocks the main air duct section 111, and the air duct 11 is completely closed.
The present embodiment further provides a refrigerator including the damper mechanism 100 described above. Since the damper mechanism 100 has been described in detail above, it will not be described in detail here.
The present embodiment provides a damper mechanism 100 including: the device comprises a shell 10, wherein at least one air duct 11 used for being communicated with a compartment is arranged in the shell 10; the air door 12 is arranged in the air duct 11, the air door 12 can be driven by a driving mechanism to rotate in the air duct 11 and can be positioned at any angle, so that the ventilation through hole 121 and the air duct 11 are controlled to be communicated in a closed state, and the adjustment and control of the amount of cold air entering the compartment are realized. In the air door mechanism 100 provided by the embodiment, the air door 12 is arranged in the air duct 11, so that the space is saved, and further, the overall structure of the air door mechanism 100 provided by the embodiment is simpler and more compact, and is convenient to install and low in cost; in the use process, the air duct 11 can be closed and the air duct 11 can be opened only by driving the air door 12 to rotate in situ in the air duct 11, meanwhile, the air volume in the air duct 11 can be adjusted by driving the air door 12 to rotate and position to different angles, the whole process of closing the air duct 11, opening the air duct 11 and adjusting the air volume of the air duct 11 is not influenced by air pressure, the pressure bearing capacity of a product is improved, and the reliability of the product is further improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. A damper mechanism, comprising:
the air duct is used for communicating with the compartment;
the air door is arranged in the air channel, and can rotate in the air channel through the driving of the driving mechanism and be positioned to any angle so as to control the full communication of the air channel to a closed state and realize the regulation and control of the amount of cold air entering the compartment.
2. The damper mechanism according to claim 1, wherein the air duct is plural, and plural air ducts are provided side by side in the housing for communicating with plural compartments, respectively;
and each air duct is internally provided with the air door which is respectively used for adjusting and controlling the air volume entering each chamber.
3. The damper mechanism of claim 2, wherein the air duct comprises:
the air conditioner comprises a first air channel, a second air channel and a control device, wherein a first air door is arranged in the first air channel and used for adjusting the air quantity entering a first chamber;
a second air duct, wherein a second air door is arranged in the second air duct and is used for adjusting the air quantity entering the second chamber;
and a third air duct, wherein a third air door is arranged in the third air duct, and the third air door is used for adjusting the air volume entering the third chamber.
4. The damper mechanism of claim 3, wherein a first diverter rib is disposed in the housing, the first diverter rib forming the first air channel with the housing inner wall;
a second flow dividing rib is further arranged in the shell, and the second flow dividing rib and the first flow dividing rib form a second air duct;
the second flow dividing ribs and the inner wall of the shell form the third air duct.
5. The damper mechanism according to claim 1, wherein the damper is a cylindrical body, and a ventilation through hole is formed in the cylindrical body, and cold air enters the air duct through the ventilation through hole;
or the air door is a triangular cylinder;
or the air door is an elliptic cylinder;
or the air door is a semi-cylinder.
6. The damper mechanism of claim 1, further comprising a drive mechanism disposed above the housing and coupled to the damper to drive the damper to rotate.
7. The damper mechanism according to claim 1, further comprising a centrifugal fan disposed inside the housing, wherein the centrifugal fan sucks in the cool air from the air inlet of the housing and blows out the cool air into the air duct through the air outlet.
8. The damper mechanism of claim 1, wherein the air duct comprises:
a main air duct section;
the air duct comprises an involute air duct section, a main air duct section and the involute air duct section, wherein the main air duct section is communicated with the involute air duct section, one side, far away from the main air duct section, of the involute air duct section is an air duct air inlet, and one side, far away from the involute air duct section, of the main air duct section is an air duct air outlet.
9. The damper mechanism of claim 8, wherein the damper is cylindrical, the damper has a diameter greater than a width of the main duct section, and the damper is disposed within the involute duct section.
10. A refrigerator comprising the damper mechanism according to any one of claims 1 to 9.
CN202110441382.1A 2021-04-23 2021-04-23 Air door mechanism and refrigerator Pending CN113218122A (en)

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Application Number Priority Date Filing Date Title
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CN110487003A (en) * 2019-09-25 2019-11-22 海信（山东）冰箱有限公司 A kind of refrigerator
CN111271923A (en) * 2020-02-26 2020-06-12 海信（山东）冰箱有限公司 A kind of refrigerator
CN212390683U (en) * 2020-09-30 2021-01-22 江苏雷利电机股份有限公司 Air supply device for air-cooled refrigerator and refrigerator comprising same

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206440056U (en) * 2017-01-24 2017-08-25 江苏雷利电机股份有限公司 Blowing device for wind cooling refrigerator and the refrigerator including the equipment
CN107576129A (en) * 2017-08-11 2018-01-12 青岛海尔股份有限公司 Refrigerator
CN109798720A (en) * 2017-11-16 2019-05-24 合肥华凌股份有限公司 The damper assemblies of refrigeration equipment and refrigeration equipment with it
CN107940872A (en) * 2017-11-23 2018-04-20 海信（山东）冰箱有限公司 A kind of air-supply arrangement and refrigerator
CN110487003A (en) * 2019-09-25 2019-11-22 海信（山东）冰箱有限公司 A kind of refrigerator
CN111271923A (en) * 2020-02-26 2020-06-12 海信（山东）冰箱有限公司 A kind of refrigerator
CN212390683U (en) * 2020-09-30 2021-01-22 江苏雷利电机股份有限公司 Air supply device for air-cooled refrigerator and refrigerator comprising same

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