CN111365925A - A simple air duct device with anti-condensation, anti-vibration and fire resistance - Google Patents

Abstract

The invention discloses a simple air duct device with anti-condensation, shock resistance and fire prevention. In the present invention: the air duct foam is installed on the front air duct mask, the fireproof board and the aluminum foil sponge are sequentially installed on the lower end of the rear end face of the air duct foam; the lower end of the front air hood panel is provided with a return air outlet; one surface of the front air hood panel is provided with There are several air outlets; the air outlet is communicated 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 is installed on the rear end face of the air duct foam. The invention installs the centrifugal fan through the air duct foam to improve the shock absorption effect; the air duct and the air outlet are arranged on the air duct foam to send the cold air to each compartment, and the air guide boss is arranged to facilitate the transportation of the cold air to the multiple air outlets and the wind. Channel air guide; install the fireproof plate by setting the installation groove of the fireproof plate to prevent the aluminum foil sponge from collapsing, to facilitate the sealing to form a stable air duct passage, and to prevent the aluminum foil in the aluminum foil sponge from failing, and play the role of the second air duct foam fire prevention .

Description

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

technical field

The invention belongs to the technical field of refrigerators, and in particular relates to a simple air duct device with anti-condensation, shock resistance and fire prevention.

Background technique

In the existing refrigerator air duct device, 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, the air duct device includes a front air duct panel, a rear air duct panel and a fan, and the front air duct panel and the rear air duct panel. The duct panels are arranged opposite to each other, the rear air duct panel is provided with a fan installation port, and the fan is installed on the rear air duct panel through the fan installation port. In this invention, the fan is directly assembled on the front air duct panel, which is easy to cause The fan and the front air duct panel resonate or have abnormal noise, and there is no thermal insulation foam on the back of the front air duct panel, and the surface of the refrigerator is prone to condensation when it starts to work. The air duct device used in the refrigerator freezer disclosed in Chinese Patent Application No. 201711058391.2, the air duct device includes an air duct front plate, an air duct rear plate, an air guide boss, an aluminum foil sponge and a fan, and the back of the invention is directly covered with aluminum foil Sponge, it is easy to cause the sponge to collapse and block the air outlet, affect the air outlet efficiency, indirectly increase the power consumption, and the fire prevention effect is not good, which may easily lead to the appearance of the burner.

SUMMARY OF THE INVENTION

The purpose of the present invention is to provide a simple air duct device with anti-condensation, anti-vibration and fire prevention, install a centrifugal fan by setting the air duct foam, and improve the shock absorption effect; The cold air is sent to each compartment, and the anti-condensation effect is increased by setting the air duct foam; the air guide boss is set to facilitate the delivery of the cold air to multiple air outlets, and it is convenient for the air duct to guide the air; the fireproof board is installed by installing the groove to install the fireproof board. It is easy to seal to form a stable air duct passage, and prevent the aluminum foil sponge from collapsing. At the same time, it can play the role of the second air duct foam fire prevention when the aluminum foil sponge fails. The gap between the simple air duct device of the present invention and the evaporator can be adjusted, and at the same time, the first air duct foam can be used to prevent fire.

In order to solve the above-mentioned technical problems, the present invention is achieved through the following technical solutions:

The present invention is a simple air duct device with anti-condensation, anti-vibration and fire resistance, comprising a front air duct mask, an air duct foam, a rear air duct cover, a centrifugal fan, a fireproof board and an aluminum foil sponge. On the front air duct mask, the centrifugal fan and the rear air duct cover plate are sequentially installed on the upper end of the rear end surface of the air duct foam; the fireproof board and the aluminum foil sponge are sequentially installed on the lower end of the rear end surface of the air duct foam;

The lower end of the front air cover panel is provided with an air return port; the upper part of the air return port is provided with two drainage and drainage grooves; the two outer sides of the drainage and drainage grooves are respectively provided with a clamping claw; A clamping plate is provided; a number of third screw columns, a number of first screw columns and a number of second screw columns are arranged on the rear end surface of the front windshield panel; a surface of the front windshield panel is provided with a number of fixing holes side by side; A surface of the front air cover panel is provided with a number of air outlets; the rear end surface of the front air cover panel is also provided with a temperature sensing head installation groove; the rear end surface of the air duct foam is provided with a centrifugal fan installation groove; The centrifugal fan installation groove is provided with a number of centrifugal fan installation holes on the peripheral side; the centrifugal fan installation hole is matched with the first screw column; the centrifugal fan installation groove is provided with a number of air guide bosses on the peripheral side; the air duct A fireproof board installation groove is arranged under the rear end face of the foam; a fireproof board installation through hole is arranged in the fireproof board installation groove; the rear end face of the air duct foam is provided with a number of air outlet holes; The air outlet is matched; the air outlet is communicated with the centrifugal fan installation slot through the air duct; the rear end surface of the air duct foam is provided with a number of rear air duct cover plate installation holes side by side; the centrifugal fan is fixed in the centrifugal fan installation slot the rear air duct cover plate is installed on the upper end of the rear end of the air duct foam; an air inlet is arranged in the middle of the rear air duct cover plate; the upper surface of the rear air duct cover plate is provided with a number of cover plates for fixing the cover plate fixing hole is matched with the rear air channel cover plate installation hole and the third screw column; a sealing sponge is installed on the upper end of the rear air channel cover plate;

The fireproof board is installed at the lower end of the rear end surface of the air duct foam; the fireproof board is provided with two fireproof board fixing holes side by side; the fireproof board fixing hole is matched with the fireproof board installation via hole and the second screw column; The aluminum foil sponge is installed above the fireproof board; the lower end surface of the aluminum foil sponge is provided with a clamping groove; the clamping groove cooperates with the clamping claw to fix the aluminum foil sponge.

Further, a plurality of air guide ribs of the air return port are arranged side by side on the air return port.

Further, a rubber gasket is installed on the fixing hole.

Further, a sealing sponge is installed above the temperature sensing head installation groove.

Further, two drainage ports are arranged side by side at the lower end of the installation groove of the fireproof board; the drainage ports are matched with the drainage and drainage grooves.

Further, several mounting seats are respectively provided on the peripheral side of the centrifugal fan; the mounting seats are matched with the centrifugal fan mounting hole and the first screw column; the centrifugal fan is also compounded with a layer of motor vibration damping pads.

Further, the upper end of the fireproof plate is provided with a folded plate; the folded plate cooperates with the lower end of the rear air duct cover plate to fix the fireproof plate.

Further, the sealing sponge is fixed on the air outlet above the air duct foam.

The present invention has the following beneficial effects:

In the invention, the centrifugal fan is installed by setting the air duct foam to improve the shock absorption effect, and at the same time, the anti-condensation effect of the front air cover panel when the refrigerator is just started to work is improved; In each compartment, it is convenient to transport cold air to multiple air outlets by setting air guide bosses, which is convenient for air duct guide air, and at the same time, by setting air outlets, the temperature of each compartment can be uniform; It is easy to seal to form a stable air duct passage, and prevent the aluminum foil sponge from collapsing. At the same time, it can play a role in the fire prevention of the second air duct foam when the aluminum foil sponge fails to fire; by setting the air duct foam to install the aluminum foil sponge, it is convenient to fix the fireproof board and adjust the The gap between the simple air duct device and the evaporator is invented, and at the same time, it can play the role of the first air duct foam fire prevention.

Of course, it is not necessary for any product embodying the present invention to achieve all of the above-described advantages simultaneously.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings used in the description of the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained from these drawings without any creative effort.

Figure 1 is an exploded view of a simple air duct device with anti-condensation, shock resistance and fire resistance;

2 is a schematic structural diagram of a simple air duct device with anti-condensation, earthquake resistance and fire resistance;

3 is a schematic structural diagram of a simple air duct device with anti-condensation, shock resistance and fire resistance;

Fig. 4 is the structural representation of air duct foam;

5 is a schematic structural diagram of a refrigerator body;

6 is a schematic structural diagram of a refrigerator with a simple air duct device with anti-condensation, shock resistance and fire resistance;

FIG. 7 is a partial enlarged view of A in FIG. 6 .

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "opening", "upper", "lower", "thickness", "top", "middle", "length", "inside", "around", etc. Indicates the orientation or positional relationship, 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, are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention .

1-7, the present invention is a simple air duct device with anti-condensation, anti-vibration and fire resistance, including a front air duct mask 1, an air duct foam 2, a rear air duct cover 3, and a centrifugal fan 4 , fireproof board 5 and 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 3 are sequentially installed on the rear end surface of the air duct foam 2; the fireproof board 5 and the aluminum foil The sponge 6 is installed on the lower end of the rear end surface of the air duct foam 2 in turn;

The lower end of the front air cover panel 1 is provided with an air return port 101; the air return port 101 is provided with several air return port air guide ribs 102 side by side; the upper part of the air return port 101 is provided with two drainage and drainage grooves 103; A clamping claw 111 is provided; a clamping plate 104 is provided on the peripheral side of the front windshield panel 1; a number of third screw columns 107, a number of first screw columns 105 and a number of second screw columns 106 are provided at the rear end of the front windshield panel 1 ; A surface of the front air cover panel 1 is provided with a number of fixing holes 108 side by side; a rubber gasket 8 is installed on the fixing hole 108; a surface of the front air cover panel 1 is provided with a number of air outlets 109; The cooling effect of the compartment is improved, and the temperature uniformity of the compartment can be improved; the rear end surface of the front air cover panel 1 is also provided with a temperature sensing head installation groove 110; the temperature sensing head installation groove 110 is installed with a temperature sensing head ; A sealing sponge 12 is installed above the temperature sensing head installation groove 110;

A centrifugal fan installation slot 201 is arranged above the rear end surface of the air duct foam 2; a number of centrifugal fan installation holes 202 are arranged on the peripheral side of the centrifugal fan installation slot 201; the centrifugal fan installation holes 202 are matched with the first screw column 105; the centrifugal fan installation slot A plurality of air guide bosses 207 are arranged on the peripheral side of the 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 duct to guide the wind;

A fire board installation groove 203 is arranged under the rear end of the air duct foam 2; a fire board installation through hole 204 is arranged in the fire board installation groove 203; the lower end of the fire board installation groove 203 is provided with two water outlets 205 side by side; The water outlet 205 cooperates with the drainage and drainage groove 103; the rear end surface of the air duct foam 2 is provided with several air outlet holes 206; the air outlet holes 206 cooperate with the air outlet 109; A plurality of rear air duct cover mounting holes 208 are arranged side by side above the rear end surface of the air duct foam 2;

By setting the fireproof board installation groove 203 on the air duct foam 2, it is not only convenient to assemble the fireproof board 5, but also facilitates sealing to form a stable air outlet air duct passage, preventing the aluminum foil sponge 6 from collapsing, and at the same time, the air duct foam 2 can be protected from fire. the role of;

The centrifugal fan 4 is fixed in the centrifugal fan installation groove 201; the peripheral side of the centrifugal fan 4 is respectively provided with a plurality of installation seats 401; the installation seats 401 are matched with the centrifugal fan installation hole 202 and the first screw column 105; Layer motor vibration damping pad;

The rear air duct cover plate 3 is installed on the upper end of the rear end of the air duct foam 2; an air inlet 301 is arranged in the middle of the rear air duct cover plate 3; a plurality of cover plate fixing holes 302 are arranged on the peripheral side of the upper surface of the rear air duct cover plate 3; The cover fixing hole 302 is matched with the rear air duct cover mounting hole 208 and the third screw column 107; the upper end of the rear air duct cover 3 is installed with a sealing sponge 7; the sealing sponge 7 is fixed on the air outlet 206 above the air duct foam 2 superior;

The fireproof board 5 is installed at the lower end of the rear end surface of the air duct foam 2; the fireproof board 5 is provided with two fireproof board fixing holes 501 side by side; The upper end of the plate 5 is provided with a folded plate; the folded plate cooperates with the lower end of the rear air duct cover plate 3 to fix the fireproof plate 5;

The aluminum foil sponge 6 is installed above the fireproof board 5; the lower end surface of the aluminum foil sponge 6 is provided with a clamping slot 601; the clamping slot 601 cooperates with the clamping claw 111 to fix the aluminum foil sponge 6; One side is sponge, and the back is provided with self-adhesive glue, which plays a fixed role.

The air duct device is installed in the storage room of the refrigerator 9, and the inner bottom surface of the storage room is provided with an installation channel 901; the air duct device is fixed in the installation channel 901; the lower end of the installation channel 901 is provided with a return air channel 902 , the air return channel 902 cooperates with the air return port 101;

Several air outlet channels 903 are arranged between the air duct device and the refrigerator drawer; the air outlet channels 903 cooperate with the air outlet 109;

The fresh-keeping chamber of the refrigerator 9 is provided with several air outlet channels 904; the air outlet channels 904 cooperate with the air outlet 109 on the upper end of the air duct device; the sealing sponge 7 is installed between the air outlet channel 904 and the air outlet 109 on the upper end of the air duct device.

A specific application of this embodiment is:

The air return 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 3 . The cold air blown from the air outlet channel of the compartment where the air duct device is located can sink to fully cool the compartment, and the cold air blown from the air outlet channel of another room can rise to the other room for cooling, and it can be easily cooled by the return air. The hot air returned to the air duct device from the tuyere 101 rises and exchanges heat with the evaporator. In this way, the cold air can be returned from the air inlet and return air outlet 101 at the bottom of the storage room, and the multiple air outlets 109 in the middle can be blown out, so that the temperature inside the storage room is uniform; The air is discharged through the air duct device of the other room to discharge the air, so that the temperature inside the other room is uniform. Thereby, the working time of the compressor is reduced and the electricity consumption is saved.

In the description of this specification, description with reference to the terms "one embodiment," "example," "specific example," etc. means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one aspect of the present invention. in one embodiment or example. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above-disclosed preferred embodiments of the present invention are provided only to help illustrate the present invention. The preferred embodiments do not exhaust all the details, nor do they limit the invention to only the described embodiments. Obviously, many modifications and variations are possible in light of the content of this specification. The present 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 well understand and utilize the present invention. The present invention is to be limited only by the claims and their full scope and equivalents.

Claims (8)

1. A simple air duct device with anti-condensation, shock resistance and fire resistance, comprising a front air duct mask (1), an air duct foam (2), a rear air duct cover plate (3), a centrifugal fan (4), a fire retardant The plate (5) and the aluminum foil sponge (6) are characterized in that: the air duct foam (2) is installed on the front air duct mask (1), the centrifugal fan (4) and the rear air duct cover (3) are installed on the upper end of the rear end surface of the air duct foam (2) in sequence; 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); A return air outlet (101) is arranged at the lower end of the front air cover panel (1); two drainage and drainage grooves (103) are arranged above the air return opening (101); two outer sides of the drainage and drainage grooves (103) are arranged A clamping claw (111) is respectively provided; a clamping plate (104) is provided on the peripheral side of the front air cover panel (1); ), several first screw columns (105) and several second screw columns (106); a surface of the front windshield panel (1) is provided with several fixing holes (108) side by side; the front windshield panel (1) ) is provided with a number of air outlets (109); the rear end surface of the front air cover panel (1) is also provided with a temperature sensing head installation groove (110); 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 on the peripheral side of the centrifugal fan installation groove (201); the centrifugal fan is installed The hole (202) is matched with the first screw column (105); the peripheral side of the centrifugal fan installation groove (201) is provided with a plurality of wind guide bosses (207); A fire board installation groove (203) is provided under the rear end surface of the air duct foam (2); a fire board installation through hole (204) is arranged in the fire board installation groove (203); the air duct foam (2) The rear end face is provided with several air outlet holes (206); the air outlet holes (206) cooperate with the air outlet (109); the air outlet holes (206) and the centrifugal fan installation groove (201) pass through the air A plurality of rear air duct cover mounting 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 installation groove (201); The rear air duct cover plate (3) is installed on the upper end of the rear end of the air duct foam (2); an air inlet (301) is arranged in the middle of the rear air duct cover plate (3); the rear air duct cover plate ( 3) A plurality of cover plate fixing holes (302) are arranged on the peripheral side of the upper surface; the cover plate fixing holes (302) are matched with the rear air duct cover plate mounting holes (208) and the third screw column (107); the 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); the fireproof board (5) is provided with two fireproof board fixing holes (501) side by side; the fireproof board fixing holes (501) It is matched with the installation through hole (204) of the fireproof board and the second screw column (106); The aluminum foil sponge (6) is installed above the fireproof board (5); the lower end surface of the aluminum foil sponge (6) is provided with a clamping groove (601); the clamping groove (601) cooperates with the clamping claw (111) to be fixed Foil Sponge (6). 2 . The simple air duct device with anti-condensation, anti-vibration and fire prevention according to claim 1 , wherein, several air guide ribs ( 102 ) for the air return ports are arranged side by side on the air return port ( 101 ). 3 . 3 . The simple air duct device with anti-condensation, anti-vibration and fire resistance according to claim 1 , wherein a rubber gasket ( 8 ) is installed on the fixing hole ( 108 ). 4 . The simple air duct device with anti-condensation, anti-vibration and fire resistance according to claim 1, characterized in that, a sealing sponge (12) is installed above the temperature sensing head installation groove (110). 5. The simple air duct device with anti-condensation, anti-vibration and fire protection according to claim 1, characterized in that, the lower end of the installation groove (203) of the fireproof board is provided with two drains (205) side by side ); the drainage port (205) is matched with the drainage and drainage groove (103). 6. A simple air duct device with anti-condensation, anti-vibration and fire protection according to claim 1, characterized in that a plurality of mounting seats (401) are respectively provided on the peripheral side of the centrifugal fan (4); The installation seat (401) is matched with the centrifugal fan installation hole (202) and the first screw column (105); the centrifugal fan (4) is also compounded with a layer of motor vibration damping pad. 7. A simple air duct device with anti-condensation, anti-vibration and fire protection according to claim 1, wherein the upper end of the fireproof board (5) is provided with a folded plate; The lower end of the road cover plate (3) cooperates to fix the fireproof plate (5). 8. The simple air duct device with anti-condensation, shock resistance and fire prevention according to claim 1, wherein the sealing sponge (7) is fixed on the air outlet (206) above the air duct foam (2). )superior.

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