A simple air duct device with anti-condensation, earthquake resistance and fire protection

Abstract

The present invention discloses a simple air duct device with anti-condensation, earthquake resistance and fire prevention. In the present invention: the air duct foam is installed on the front air duct mask, and the fireproof board and the aluminum foil sponge are installed at the lower end of the rear end surface of the air duct foam in sequence; the lower end of the front air hood panel is provided with a return air port; a surface of the front air hood panel is provided with a plurality of air outlets; the air outlet is connected with the centrifugal fan installation slot through the air duct; the centrifugal fan is fixed in the centrifugal fan installation slot; the rear air duct cover plate is installed at the upper end of the rear end surface of the air duct foam. The present invention installs the centrifugal fan through the air duct foam to improve the shock absorption effect; by arranging the air duct and the air outlet on the air duct foam to send the cold air to each compartment, the air guide boss is arranged to facilitate the delivery of cold air to multiple air outlets and the air duct wind guide; by arranging the fireproof board installation groove to install the fireproof board, the aluminum foil sponge is prevented from collapsing, it is convenient to seal and form a stable air duct passage, and prevent the aluminum foil in the aluminum foil sponge from failing, so as to play the role of fire prevention of the second air duct foam.

Description

Technical Field

[0001] The invention belongs to the technical field of refrigerators, and in particular relates to a simple air duct device with the functions of anti-condensation, anti-vibration and fire prevention. Background Art

[0002] In the existing refrigerator air duct devices, there are basically a front air duct panel, a rear air duct panel and a fan. Among them, the air duct device used in the freezer compartment of the refrigerator disclosed in Chinese Patent Application No. 201811520798.7 includes a front air duct panel, a rear air duct panel and a fan, the front air duct panel is arranged opposite to the rear air duct panel, the rear air duct panel is provided with a fan mounting port, and the fan is installed on the rear air duct panel through the fan mounting port. The fan of this invention is directly assembled on the front air duct panel, which easily causes the fan to resonate with the front air duct panel or make abnormal noises, and there is no insulation foam on the back of the front air duct panel, so condensation water is easy to appear on the surface when the refrigerator is just started. The air duct device used in the freezer compartment of the refrigerator disclosed in Chinese Patent Application No. 201711058391.2 includes an air duct front plate, an air duct rear plate, an air guide boss, an aluminum foil sponge and a fan. The invention directly covers the aluminum foil sponge at the rear, which can easily cause the sponge to collapse and block the air outlet duct, affecting the air outlet efficiency, indirectly increasing power consumption, and having a poor fire prevention effect, which can easily lead to the occurrence of fires. Summary of the invention

[0003] The object of the present invention is to provide a simple air duct device with anti-condensation, earthquake resistance and fire prevention. The centrifugal fan is installed by arranging air duct foam to improve the shock absorption effect; and the cold air is sent to each compartment by arranging air ducts and air outlets on the air duct foam, and the anti-condensation effect is increased by arranging air duct foam; and the air guide boss is arranged to facilitate the delivery of cold air to multiple air outlets and facilitate air duct guidance; the fireproof board is installed by arranging a fireproof board installation groove, which is convenient for sealing to form a stable air duct passage and prevent the collapse of the aluminum foil sponge, and at the same time, it can play the role of the second air duct foam fire prevention when the aluminum foil sponge fire prevention fails; the air duct foam is arranged to install the aluminum foil sponge, which is convenient for fixing the fireproof board and adjusting the gap between the simple air duct device of the present invention and the evaporator, and at the same time, it can play the role of the first air duct foam fire prevention.

[0004] In order to solve the above technical problems, the present invention is achieved through the following technical solutions:

[0005] The present invention is a simple air duct device with anti-condensation, earthquake resistance and fire prevention, comprising a front air duct mask, air duct foam, a rear air duct cover plate, a centrifugal fan, a fireproof board and an aluminum foil sponge, wherein the air duct foam is installed on the front air duct mask, the centrifugal fan and the rear air duct cover plate are installed in sequence on the upper end of the rear end surface of the air duct foam; the fireproof board and the aluminum foil sponge are installed in sequence on the lower end of the rear end surface of the air duct foam;

[0006] A return air outlet is provided at the lower end of the front air hood panel; two drainage grooves are provided above the return air outlet; a claw is provided on each outer side of the drainage groove; a clamping plate is provided on the surrounding side of the front air hood panel; a plurality of third screw columns, a plurality of first screw columns and a plurality of second screw columns are provided on the rear end face of the front air hood panel; a plurality of fixing holes are provided side by side on one surface of the front air hood panel; a plurality of air outlets are provided on one surface of the front air hood panel; a temperature sensing head mounting groove is also provided on the rear end face of the front air hood panel; a centrifugal fan mounting groove is provided above the rear end face of the air duct foam; a plurality of centrifugal fan mounting holes are provided on the surrounding side of the centrifugal fan mounting groove; the centrifugal fan mounting hole cooperates with the first screw column; a plurality of third screw columns are provided on the surrounding side of the centrifugal fan mounting groove Dry air guide boss; a fireproof plate mounting groove is provided below the rear end surface of the air duct foam; a fireproof plate mounting through hole is provided in the fireproof plate mounting groove; a plurality of air outlet holes are provided on the rear end surface of the air duct foam; the air outlet holes cooperate with the air outlet; the air outlet holes are connected to the centrifugal fan mounting groove through the air duct; a plurality of rear air duct cover plate mounting holes are provided side by side above the rear end surface of the air duct foam; the centrifugal fan is fixed in the centrifugal fan mounting groove; the rear air duct cover plate is installed on the upper end of the rear end surface of the air duct foam; an air inlet is provided in the middle of the rear air duct cover plate; a plurality of cover plate fixing holes are provided on the circumferential side of the upper surface of the rear air duct cover plate; the cover plate fixing holes cooperate with the rear air duct cover plate mounting holes and the third screw column; a sealing sponge is installed on the upper end of the rear air duct cover plate;

[0007] The fireproof board is installed at the lower end of the rear end surface of the air duct foam; two fireproof board fixing holes are arranged side by side on the fireproof board; the fireproof board fixing holes cooperate with the fireproof board installation holes and the second screw columns; the aluminum foil sponge is installed above the fireproof board; a card slot is provided on the lower end surface of the aluminum foil sponge; the card slot cooperates with the claw to fix the aluminum foil sponge.

[0008] Furthermore, a plurality of return air outlet air guide ribs are arranged side by side on the return air outlet.

[0009] Furthermore, a rubber gasket is installed on the fixing hole.

[0010] Furthermore, a temperature sensing head sealing sponge is installed above the temperature sensing head installation groove.

[0011] Furthermore, two drainage outlets are arranged side by side at the lower end of the fireproof board installation groove; and the drainage outlets cooperate with the drainage groove.

[0012] Furthermore, a plurality of mounting seats are respectively arranged on the peripheral sides of the centrifugal fan; the mounting seats cooperate with the mounting holes of the centrifugal fan and the first screw columns; and a layer of motor vibration damping pad is also compounded on the centrifugal fan.

[0013] Furthermore, a folding plate is provided at the upper end of the fireproof board; the folding plate cooperates with the lower end of the rear air duct cover plate to fix the fireproof board.

[0014] Furthermore, the sealing sponge is fixed on the air outlet above the air duct foam.

[0015] The present invention has the following beneficial effects:

[0016] The present invention improves the shock absorption effect by arranging air duct foam to install a centrifugal fan, and at the same time improves the anti-condensation effect of the front air hood panel when the refrigerator is just started; and by arranging air ducts and air outlets on the air duct foam, cold air is sent to each compartment, and by arranging an air guide boss, it is convenient to transport cold air to multiple air outlets, which is convenient for air duct air guidance, and at the same time, the temperature of each compartment can be uniform by arranging the air outlet; by arranging a fireproof board installation groove to install the fireproof board, it is convenient to seal and form a stable air duct passage, and prevent the aluminum foil sponge from collapsing, and at the same time, it can play the role of the second air duct foam fire prevention when the aluminum foil sponge fire prevention fails; by arranging the air duct foam to install the aluminum foil sponge, it is convenient to fix the fireproof board and adjust the gap between the simple air duct device of the present invention and the evaporator, and at the same time, it can play the role of the first air duct foam fire prevention.

[0017] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for describing the embodiments are briefly introduced below. 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 creative work.

[0019] Figure 1 It is an exploded view of a simple air duct device with anti-condensation, earthquake resistance and fire protection;

[0020] Figure 2 It is a structural schematic diagram of a simple air duct device with anti-condensation, earthquake resistance and fire protection;

[0021] Figure 3 It is a structural schematic diagram of a simple air duct device with anti-condensation, earthquake resistance and fire protection;

[0022] Figure 4 It is the structural schematic diagram of the air duct foam;

[0023] Figure 5 It is a structural schematic diagram of the refrigerator body;

[0024] Figure 6The schematic diagram of the structure of a refrigerator with a simple air duct device that is anti-condensation, anti-vibration and fireproof;

[0025] Figure 7 for Figure 6 A partial enlarged view of point A in the middle. DETAILED DESCRIPTION

[0026] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0027] In the description of the present invention, it should be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "all around" and the like indicating orientation or positional relationship are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the components or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0028] See also Figure 1-7 As shown, the present invention is a simple air duct device with anti-condensation, earthquake resistance and fire prevention, comprising a front air duct mask 1, an air duct foam 2, a rear air duct cover plate 3, a centrifugal fan 4, a fireproof board 5 and an aluminum foil sponge 6. The air duct foam 2 is installed on the front air duct mask 1, the centrifugal fan 4 and the rear air duct cover plate 3 are installed in sequence on the upper end of the rear end surface of the air duct foam 2; the fireproof board 5 and the aluminum foil sponge 6 are installed in sequence on the lower end of the rear end surface of the air duct foam 2;

[0029] A return air vent 101 is provided at the lower end of the front air hood panel 1; a plurality of return air vent guide ribs 102 are arranged side by side on the return air vent 101; two drainage grooves 103 are provided above the return air vent 101; a claw 111 is provided on each of the two outer sides of the drainage groove 103; a clamping plate 104 is provided on the peripheral side of the front air hood panel 1; a plurality of third screw columns 107, a plurality of first screw columns 105 and a plurality of second screw columns 106 are provided on the rear end surface of the front air hood panel 1; a plurality of third screw columns 107, a plurality of first screw columns 105 and a plurality of second screw columns 106 are provided on the rear end surface of the front air hood panel 1 A plurality of fixing holes 108 are arranged side by side on the surface; a rubber gasket 8 is installed on the fixing hole 108; a plurality of air outlets 109 are arranged on one surface of the front air hood panel 1; by providing a plurality of air outlets 109, the cooling effect on the compartment can be improved, and the uniformity of the temperature of the compartment can be improved; a temperature sensing head installation groove 110 is also arranged on the rear end surface of the front air hood panel 1; a temperature sensing head is installed in the temperature sensing head installation groove 110; a temperature sensing head sealing sponge 12 is installed above the temperature sensing head installation groove 110;

[0030] A centrifugal fan installation slot 201 is provided above the rear end surface of the air duct foam 2; a plurality of centrifugal fan installation holes 202 are provided around the centrifugal fan installation slot 201; the centrifugal fan installation holes 202 cooperate with the first screw column 105; a plurality of air guide bosses 207 are provided around the centrifugal fan installation slot 201; the air guide bosses 207 can not only facilitate the delivery of cold air to the plurality of air outlet holes 206, but also facilitate the air guide of the air duct;

[0031] A fireproof board installation groove 203 is provided below the rear end surface of the air duct foam 2; a fireproof board installation through hole 204 is provided in the fireproof board installation groove 203; two drainage ports 205 are arranged side by side at the lower end of the fireproof board installation groove 203; the drainage ports 205 cooperate with the drainage and drainage groove 103; a plurality of air outlet holes 206 are provided on the rear end surface of the air duct foam 2; the air outlet holes 206 cooperate with the air outlet 109; the air outlet holes 206 are connected to the centrifugal fan installation groove 201 through the air duct; a plurality of rear air duct cover plate installation holes 208 are arranged side by side above the rear end surface of the air duct foam 2;

[0032] By providing a fireproof board installation groove 203 on the air duct foam 2, it is not only easy to assemble the fireproof board 5, but also easy to seal to form a stable air outlet air duct passage, prevent the aluminum foil sponge 6 from collapsing, and at the same time play the role of fireproofing the air duct foam 2;

[0033] The centrifugal fan 4 is fixed in the centrifugal fan installation groove 201; a plurality of installation seats 401 are respectively provided on the peripheral sides of the centrifugal fan 4; the installation seats 401 cooperate with the centrifugal fan installation holes 202 and the first screw columns 105; a layer of motor vibration damping pad is also compounded on the centrifugal fan 4;

[0034] The rear air duct cover plate 3 is installed on the upper end of the rear end surface of the air duct foam 2; an air inlet 301 is provided in the middle of the rear air duct cover plate 3; a plurality of cover plate fixing holes 302 are provided on the circumference of the upper surface of the rear air duct cover plate 3; the cover plate fixing holes 302 cooperate with the rear air duct cover plate mounting holes 208 and the third screw column 107; a sealing sponge 7 is installed on the upper end of the rear air duct cover plate 3; the sealing sponge 7 is fixed on the air outlet 206 above the air duct foam 2;

[0035] The fireproof board 5 is installed at the lower end of the rear end surface of the air duct foam 2; two fireproof board fixing holes 501 are arranged side by side on the fireproof board 5; the fireproof board fixing holes 501 cooperate with the fireproof board installation holes 204 and the second screw column 106; a folding plate is arranged at the upper end of the fireproof board 5; the folding plate cooperates with the lower end of the rear air duct cover plate 3 to fix the fireproof board 5;

[0036] The aluminum foil sponge 6 is installed above the fireproof board 5; a slot 601 is provided on the lower end surface of the aluminum foil sponge 6; the slot 601 cooperates with the claw 111 to fix the aluminum foil sponge 6; one side of the aluminum foil sponge 6 is provided with aluminum foil to play a fireproof role, the other side is sponge, and the back side is provided with self-adhesive glue to play a fixing role.

[0037] The air duct device is installed in the storage room of the refrigerator 9, and a mounting groove 901 is provided on the inner bottom surface of the storage room; the air duct device is fixed in the mounting groove 901; a return air groove 902 is provided at the lower end of the mounting groove 901, and the return air groove 902 cooperates with the return air port 101;

[0038] A plurality of air outlet channels 903 are provided between the air duct device and the refrigerator drawer; the air outlet channels 903 cooperate with the air outlet 109;

[0039] A plurality of air outlet channels 904 are provided in the fresh-keeping chamber of the refrigerator 9; the air outlet channels 904 cooperate with the air outlet 109 at the upper end of the air duct device; and the sealing sponge 7 is installed between the air outlet channels 904 and the air outlet 109 at the upper end of the air duct device.

[0040] A specific application of this embodiment is:

[0041] The return air port 101 is formed at the lower end of the front air duct mask 1, and the air inlet 301 is provided on the rear air duct cover plate 3. The cold air blown out from the air outlet channel of the compartment where the air duct device is located can be made to sink to fully cool the compartment, and the cold air blown out from the air outlet channel of another compartment can rise to another compartment for cooling, and the hot air returning to the air duct device from the return air port 101 can be easily raised to exchange heat with the evaporator. In this way, the cold air can be returned from the air inlet and return air port 101 at the bottom of the storage room, and blown out from the multiple air outlets 109 in the middle, so that the temperature inside the storage room is uniform; in addition, the cold air is blown out from the air outlet 109 at the upper end of the air duct device into another compartment, and the air is discharged through the multiple air outlet channels of the air duct device of the other compartment, so that the temperature inside the other compartment is uniform. This reduces the working time of the compressor and saves electricity.

[0042] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0043] The preferred embodiments of the present invention disclosed above are only used to help illustrate the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A simple air duct device with anti-condensation, anti-seismic and fire-proof functions, comprising a front air duct mask (1), air duct foam (2), a rear air duct cover plate (3), a centrifugal fan (4), a fireproof plate (5) and an aluminum foil sponge (6), characterized in that: The air duct foam (2) is mounted on the front air duct mask (1); the centrifugal fan (4) and the rear air duct cover plate (3) are mounted in sequence on the upper end of the rear end surface of the air duct foam (2); the fireproof plate (5) and the aluminum foil sponge (6) are mounted in sequence on the lower end of the rear end surface of the air duct foam (2); The lower end of the front air duct mask (1) is provided with a return air port (101); two drainage grooves (103) are provided above the return air port (101); two outer sides of the drainage grooves (103) are respectively provided with a clamping claw (111); a clamping plate (104) is provided on the peripheral side of the front air duct mask (1); a plurality of third screw columns (107), a plurality of first screw columns (105) and a plurality of second screw columns (106) are provided on the rear end surface of the front air duct mask (1); a plurality of fixing holes (108) are arranged side by side on one surface of the front air duct mask (1); a plurality of air outlets (109) are provided on one surface of the front air duct mask (1); and a temperature sensing head mounting groove (110) is also provided on the rear end surface of the front air duct mask (1); A centrifugal fan installation groove (201) is provided above the rear end surface of the air duct foam (2); a plurality of centrifugal fan installation holes (202) are provided around the centrifugal fan installation groove (201); the centrifugal fan installation holes (202) cooperate with the first screw column (105); a plurality of air guide bosses (207) are provided around the centrifugal fan installation groove (201); A fireproof plate installation groove (203) is provided below the rear end surface of the air duct foam (2); a fireproof plate installation through hole (204) is provided in the fireproof plate installation groove (203); a plurality of air outlet holes (206) are provided on the rear end surface of the air duct foam (2); the air outlet holes (206) cooperate with the air outlet (109); the air outlet holes (206) are connected to the centrifugal fan installation groove (201) through the air duct; a plurality of rear air duct cover plate installation holes (208) are arranged side by side above the rear end surface of the air duct foam (2); The centrifugal fan (4) is fixed in the centrifugal fan mounting slot (201); The rear air duct cover plate (3) is mounted on the upper end of the rear end surface of the air duct foam (2); an air inlet (301) is provided in the middle of the rear air duct cover plate (3); a plurality of cover plate fixing holes (302) are provided on the circumference of the upper surface of the rear air duct cover plate (3); the cover plate fixing holes (302) cooperate with the rear air duct cover plate mounting holes (208) and the third screw column (107); a sealing sponge (7) is installed on the upper end of the rear air duct cover plate (3); The fireproof board (5) is installed at the lower end of the rear end surface of the air duct foam (2); two fireproof board fixing holes (501) are arranged side by side on the fireproof board (5); the fireproof board fixing holes (501) cooperate with the fireproof board installation holes (204) and the second screw column (106); The aluminum foil sponge (6) is installed above the fireproof board (5); a clamping groove (601) is provided on the lower end surface of the aluminum foil sponge (6); the clamping groove (601) cooperates with the clamping claw (111) to fix the aluminum foil sponge (6).

2. A simple air duct device with anti-condensation, earthquake resistance and fire prevention according to claim 1, characterized in that: A plurality of return air outlet air guide ribs (102) are arranged side by side on the return air outlet (101).

3. The simple air duct device with anti-condensation, earthquake resistance and fire prevention according to claim 1, characterized in that: A rubber gasket (8) is installed on the fixing hole (108).

4. The simple air duct device with anti-condensation, earthquake resistance and fire prevention according to claim 1, characterized in that: A temperature sensing head sealing sponge (12) is installed above the temperature sensing head installation groove (110).

5. The simple air duct device with anti-condensation, earthquake resistance and fire prevention according to claim 1, characterized in that: Two drainage openings (205) are arranged side by side at the lower end of the fireproof board installation groove (203); the drainage openings (205) cooperate with the drainage groove (103).

6. The simple air duct device with anti-condensation, earthquake resistance and fire prevention according to claim 1, characterized in that: A plurality of mounting seats (401) are respectively provided on the peripheral sides of the centrifugal fan (4); the mounting seats (401) cooperate with the centrifugal fan mounting holes (202) and the first screw columns (105); and a layer of motor vibration damping pads is also compounded on the centrifugal fan (4).

7. The simple air duct device with anti-condensation, earthquake resistance and fire prevention according to claim 1, characterized in that: The upper end of the fireproof board (5) is provided with a folding plate; the folding plate cooperates with the lower end of the rear air duct cover plate (3) to fix the fireproof board (5).

8. The simple air duct device with anti-condensation, earthquake resistance and fire prevention according to claim 1, characterized in that: The sealing sponge (7) is fixed on the air outlet hole (206) above the air duct foam (2).

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