CN216977271U

CN216977271U - Refrigerator air duct structure

Info

Publication number: CN216977271U
Application number: CN202122662306.1U
Authority: CN
Inventors: 翟本强
Original assignee: Anhui Konka Tongchuang Household Appliances Co Ltd
Current assignee: Anhui Konka Tongchuang Household Appliances Co Ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-07-15
Anticipated expiration: 2031-10-30

Abstract

A refrigerator air duct structure solves the problem that an existing refrigerator air duct is easy to block, and therefore the refrigerator is affected in working. The refrigerator comprises a refrigerator body, wherein an air duct air inlet is formed in the lower end of the interior of the refrigerator body; a U-shaped pipe is fixed inside the refrigerator body, and the outlet end of the air extraction chamber is communicated with the U-shaped pipe; an evaporator is fixed in the refrigerator body, and two upper ports of the U-shaped pipe are communicated with the evaporator; an air outlet is arranged in the refrigerator body, and the outlet end of the evaporator is communicated with the air outlet.

Description

Refrigerator air duct structure

Technical Field

The utility model relates to the technical field of air feeder equipment, in particular to a bidirectional straight pipe air feeder.

Background

A refrigerator is a kind of a refrigerating apparatus maintaining a constant low temperature. The storeroom generally need set up into the return air duct, will carry out air conditioning circulation, when deposit article in the storeroom too much, probably cause the wind channel to import and export the jam, cause the influence to refrigerator refrigeration effect, moreover because the evaporimeter temperature is lower, the easy ice that condenses of wind channel is usually used the defroster and is deiced, can cause the inside moisture in wind channel to gather, and the time has been of a specified duration can exert an influence to refrigerator work.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, provides a refrigerator air duct structure, and effectively solves the problem that the existing refrigerator air duct is easy to block, so that the refrigerator work is influenced.

The utility model is realized by the following technical scheme: a refrigerator air duct structure comprises a refrigerator body, wherein an air duct air inlet is formed in the lower end of the interior of the refrigerator body, an air extraction chamber is formed in the refrigerator body, and the air duct air inlet is communicated with the inlet end of the air extraction chamber;

a U-shaped pipe is fixed inside the refrigerator body, and the outlet end of the air extraction chamber is communicated with the U-shaped pipe;

an evaporator is fixed in the refrigerator body, and two upper ports of the U-shaped pipe are communicated with the evaporator;

an air outlet is arranged in the refrigerator body, and the outlet end of the evaporator is communicated with the air outlet.

Preferably, a first branch pipe is fixedly connected in the refrigerator body, one end of the first branch pipe is connected with an air inlet of the air duct, and the other end of the first branch pipe is connected with an inlet end of the air extraction chamber.

Preferably, the first branch pipe is of a Z-shaped structure.

Preferably, the bottom of the U-shaped pipe is communicated with a water outlet pipe, an electromagnetic valve is arranged on the water outlet pipe, and the electromagnetic valve controls the opening and closing of the water outlet pipe.

Preferably, a defrosting device is arranged at the communication position of the U-shaped pipe and the evaporator.

Preferably, the air outlet comprises a horizontal first air duct air outlet and a vertical second air duct air outlet which are arranged in the refrigerator body;

the outlet end of the evaporator is communicated with an air duct conveying pipe, the end part of the air duct conveying pipe is communicated with the first air duct air outlet, the outer wall of the air duct conveying pipe is communicated with a plurality of third branch pipes, and the third branch pipes are communicated with the second air duct air outlet.

Preferably, the first air duct air outlet and the second air duct air outlet are both communicated with a plurality of air outlet connectors.

Preferably, the outlet end of the air draft chamber is communicated with a second branch pipe, and the other end of the second branch pipe is communicated with the U-shaped pipe.

Preferably, a tesla valve is arranged between the air duct conveying pipe and the evaporator.

Preferably, the solenoid valve includes electro-magnet, reset spring, slip iron plate and shutoff pole, fixedly connected with reset spring between electro-magnet and the slip iron plate, slip iron plate keep away from electro-magnet one side fixedly connected with shutoff pole.

Preferably, the rotatable fan that is equipped with in the convulsions room, convulsions room lateral wall can be dismantled and be connected with the motor, the output and the fan fixed connection of motor.

The refrigerator air duct blocking device is novel in structure, ingenious in conception, simple and convenient to operate, and capable of well preventing blocking of the air duct and prolonging the service life of the refrigerator.

Drawings

FIG. 1 is a schematic cross-sectional view of the present invention;

FIG. 2 is an enlarged view of part A of FIG. 1;

FIG. 3 is an enlarged view of the portion B of FIG. 1;

wherein: 1. a refrigerator body; 2. an air inlet of the air duct; 3. an air extraction chamber; 4. a U-shaped pipe; 5. an evaporator; 6. a first branch pipe; 7. a water outlet pipe; 8. a defrosting device; 9. a first air duct air outlet; 10. a second air duct air outlet; 11. an air duct conveying pipe; 12. a third branch pipe; 13. an air outlet joint; 14. a second branch pipe; 15. a Tesla valve; 16. an electromagnet; 17. a return spring; 18. sliding the iron block; 19. a plugging rod.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-3, an air duct structure of a refrigerator comprises a refrigerator body 1, an air duct inlet 2 is arranged at the lower end inside the refrigerator body 1, an air extraction chamber 3 is arranged in the refrigerator body 1, and the air duct inlet 2 is communicated with the inlet end of the air extraction chamber 3;

a U-shaped pipe 4 is fixed inside the refrigerator body 1, and the outlet end of the air extraction chamber 3 is communicated with the U-shaped pipe 4;

an evaporator 5 is fixed in the refrigerator body 1, and two upper ports of the U-shaped pipe 4 are communicated with the evaporator 5;

an air outlet is arranged in the refrigerator body 1, and the outlet end of the evaporator 5 is communicated with the air outlet.

In the utility model, the air duct air inlet 2 is fixedly arranged on the inner bottom surface of the refrigerator body 1 through the support rod, air is extracted from the air duct air inlet 2 through the air extracting chamber 3, air in the storage chamber of the refrigerator body 1 is extracted from the air duct air inlet 2, the air enters the U-shaped pipe 4, then cold air is formed through the evaporator 5, and the cold air is conveyed into the storage chamber of the refrigerator body 1 through the air outlet to complete cold air circulation, so that the blockage of the refrigerator air duct can be effectively avoided.

A first branch pipe 6 is fixedly connected in the refrigerator body 1, one end of the first branch pipe 6 is connected with the air inlet 2 of the air duct, and the other end of the first branch pipe 6 is connected with the inlet end of the air exhaust chamber 3.

The first branch pipe 6 is hollow, one end of the first branch pipe 6 is hermetically communicated with the air inlet 2 of the air duct, the first branch pipe 6 is Z-shaped, the other end of the first branch pipe 6 is hermetically communicated with the air exhaust chamber 3, and when the air exhaust chamber 3 works, air in the storage chamber of the refrigerator body 1 enters the air exhaust chamber 3 through the air inlet 2 of the air duct and the first branch pipe 6.

The outlet end of the air draft chamber 3 is communicated with a second branch pipe 14, and the other end of the second branch pipe 14 is communicated with the U-shaped pipe 4.

The tail end of the second branch pipe 14 is communicated with the side wall of the U-shaped pipe 4, and the air in the air extracting chamber 3 enters the U-shaped pipe 4 through the second branch pipe 14.

The angle between one end of the second branch pipe 14 far away from the air draft chamber 3 and the outer wall of the U-shaped pipe 4 is 30-60 degrees.

A defrosting device 8 is arranged at the communication part of the U-shaped pipe 4 and the evaporator 5.

The defroster 8 removes ice condensation at the connection of the U-shaped pipe 4 and the evaporator 5.

The bottom of the U-shaped pipe 4 is communicated with a water outlet pipe 7, an electromagnetic valve is arranged on the water outlet pipe 7, and the electromagnetic valve controls the water outlet pipe 7 to be opened and closed.

When the defrosting device 8 works, the condensed ice is formed into water and the water is accumulated at the bottom of the U-shaped pipe 4, and the accumulated water can be discharged by opening the electromagnetic valve.

The electromagnetic valve comprises an electromagnet 16, a return spring 17, a sliding iron block 18 and a blocking rod 19, wherein the return spring 17 is fixedly connected between the electromagnet 16 and the sliding iron block 18, and the blocking rod 19 is fixedly connected to one side, far away from the electromagnet 16, of the sliding iron block 18;

the air outlets comprise a horizontal first air duct air outlet 9 and a vertical second air duct air outlet 10 which are arranged in the refrigerator body 1;

the outlet end of the evaporator 5 is communicated with an air duct conveying pipe 11, the end part of the air duct conveying pipe 11 is communicated with the first air duct air outlet 9, the outer wall of the air duct conveying pipe 11 is communicated with a plurality of third branch pipes 12, and the third branch pipes 12 are communicated with the second air duct air outlet 10.

The evaporator 5 is vertically and hermetically communicated with the two ends of the U-shaped pipe 4, the outlet end of the evaporator 5 is communicated with an air duct conveying pipe 11, one end, away from the evaporator 5, of the air duct conveying pipe 11 is hermetically communicated with a first air duct air outlet 9, the outer wall of the air duct conveying pipe 11 is hermetically communicated with one end of a plurality of third branch pipes 12, and each third branch pipe 12 is communicated with a second air duct air outlet 10.

The first air duct air outlet 9 and the second air duct air outlet 10 are both communicated with a plurality of air outlet connectors 13.

The side face of the air outlet connector 13 is provided with a plurality of air outlet holes, so that the possibility that the air inlet and the air outlet of the air duct of the refrigerator are blocked due to overlarge articles to be stored in the refrigerator is greatly reduced, and the refrigerating stability of the refrigerator is improved.

A Tesla valve 15 is arranged between the air duct conveying pipe 11 and the evaporator 5.

The tesla valve 15 prevents the air in the refrigerator from flowing back to the evaporator 5 through the first air duct air outlet 9, the second air duct air outlet 10 and the air duct conveying pipe 11, so that ice is condensed at the joint of the evaporator 5 and the air duct conveying pipe 11.

A fan is rotatably arranged in the air extracting chamber 3, the side wall of the air extracting chamber 3 is detachably connected with a motor, and the output end of the motor is fixedly connected with the fan.

A motor is fixedly arranged on one side of the air extracting chamber 3 through a bolt, and a fan positioned in the air extracting chamber 3 is coaxially and fixedly connected with the output end of the motor.

When the air-cooling device is used, the motor is operated to drive the air-extracting chamber 3 to extract air in the storage chamber of the refrigerator from the air duct air inlet 2, the air is conveyed into the U-shaped pipe 4 through the second branch pipe 14, then cold air is formed through the evaporator 5, and the cold air is conveyed into the storage chamber of the refrigerator through the first air duct air outlet 9, the second air duct air outlet 10 and the air outlet joint 13 through the air duct conveying pipe 11, so that cold air circulation is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. A refrigerator air duct structure comprises a refrigerator body (1) and is characterized in that an air duct air inlet (2) is formed in the lower end of the interior of the refrigerator body (1), an air exhaust chamber (3) is formed in the refrigerator body (1), and the air duct air inlet (2) is communicated with the inlet end of the air exhaust chamber (3);

a U-shaped pipe (4) is fixed inside the refrigerator body (1), and the outlet end of the air exhaust chamber (3) is communicated with the U-shaped pipe (4);

an evaporator (5) is fixed in the refrigerator body (1), and two upper ports of the U-shaped pipe (4) are communicated with the evaporator (5);

an air outlet is arranged in the refrigerator body (1), and the outlet end of the evaporator (5) is communicated with the air outlet.

2. The air duct structure of the refrigerator as claimed in claim 1, wherein a first branch pipe (6) is fixedly connected in the refrigerator body (1), one end of the first branch pipe (6) is connected with the air inlet (2) of the air duct, and the other end of the first branch pipe (6) is connected with the inlet end of the air draft chamber (3).

3. A refrigerator air duct structure according to claim 2, characterized in that the first branch duct (6) is Z-shaped.

4. The air duct structure of the refrigerator as claimed in claim 1, wherein the bottom of the U-shaped tube (4) is communicated with a water outlet tube (7), the water outlet tube (7) is provided with an electromagnetic valve, and the electromagnetic valve controls the opening and closing of the water outlet tube (7).

5. The air duct structure of the refrigerator as claimed in claim 1, wherein a defroster (8) is provided at a communication part of the U-shaped tube (4) and the evaporator (5).

6. The air duct structure of the refrigerator as claimed in claim 1, wherein the air outlets include a first horizontal air duct air outlet (9) and a second vertical air duct air outlet (10) arranged inside the refrigerator body (1);

the outlet end of the evaporator (5) is communicated with an air duct conveying pipe (11), the end part of the air duct conveying pipe (11) is communicated with the first air duct air outlet (9), the outer wall of the air duct conveying pipe (11) is communicated with a plurality of third branch pipes (12), and the third branch pipes (12) are communicated with the second air duct air outlet (10).

7. The air duct structure of the refrigerator as claimed in claim 6, wherein the first air duct outlet (9) and the second air duct outlet (10) are both connected with a plurality of air outlet connectors (13).

8. The air duct structure of the refrigerator as claimed in claim 1, wherein the outlet end of the air draft chamber (3) is connected with a second branch pipe (14), and the other end of the second branch pipe (14) is connected with the U-shaped pipe (4).

9. A refrigerator air duct structure according to claim 6, characterized in that a Tesla valve (15) is arranged between the air duct delivery pipe (11) and the evaporator (5).