CN216777026U - Household appliance with drying function - Google Patents

Abstract

A household appliance with a drying function comprises a box body, at least two air supply pieces and an air supply mechanism, wherein a cavity is defined by the inner wall of the box body; each air supply part is provided with an air outlet and an air inlet which are communicated, each air supply part is arranged along the circumferential direction of the inner wall of the box body at intervals, and the orientation of the air outlet of each air supply part forms an included angle with the wall surface of the box body where the air outlet is positioned, so that the orientation of the air outlet of each air supply part is integrally arranged in a clockwise or anticlockwise rotating direction in the circumferential direction; the output end of the air supply mechanism is communicated with the air inlets of the air supply parts. Compared with the prior art, this application can promote drying efficiency.

Description

Household appliance with drying function

Technical Field

The utility model belongs to the technical field of household appliances, and particularly relates to a household appliance with a drying function.

Background

The existing household appliances such as a cleaning machine, a drying machine, a steaming oven and the like are provided with a drying function. The common drying methods of the existing household appliances are divided into three types, namely residual heat drying, hot air drying and zeolite drying, and the problems of long drying time, poor drying effect and low drying efficiency exist, so that the user experience is not good. Taking a cleaning machine as an example, the existing hot air drying is influenced by the structure of the cleaning machine, and is limited in layout so as not to well play the role of hot air.

For this reason, utility model patent application No. CN 202022220546.1's utility model "a cleaning machine of taking drying function (grant bulletin No. CN213993480U) discloses a cleaning machine of taking drying function, including the box that has the washing chamber, this bottom half is opened and is opened on outlet, the lateral wall and has been opened the air inlet, the box is provided with the drying device who is arranged in with gaseous suction washing chamber outward, drying device has the water conservancy diversion pipeline and is arranged in with gaseous suction water conservancy diversion pipeline's fan, the end of giving vent to anger of water conservancy diversion pipeline is linked together with the air inlet of box, the air inlet end of water conservancy diversion pipeline is connected with the air outlet of fan, the air intake of fan is linked together with the outlet of box. According to the patent, the diversion pipeline of the drying device is communicated with the water outlet, and after the drying device is cleaned, the fan operates to form circulating airflow with the washing cavity, the water outlet, the fan, the diversion pipeline, the air inlet and the washing cavity as a circulating path, so that the flow speed and regularity of the airflow in the washing cavity are improved, the airflow is uniformly distributed in all positions of the washing cavity, and the drying effect is improved.

But the drying effect of the existing household appliances is to be further improved.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of providing a household appliance with a drying function aiming at the current situation of the prior art so as to improve the drying efficiency.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a household appliance with drying function, comprising:

the inner wall of the box body is enclosed to form a cavity;

it is characterized by also comprising:

each air supply part is provided with an air outlet and an air inlet which are communicated, each air supply part is arranged along the circumferential direction of the inner wall of the box body at intervals, and the orientation of the air outlet of each air supply part forms an included angle with the wall surface of the box body where the air outlet is positioned, so that the orientation of the air outlet of each air supply part is integrally arranged in a clockwise or anticlockwise rotating direction in the circumferential direction;

and the output end of the air supply mechanism is communicated with the air inlets of the air supply parts.

Preferably, the inner wall of the box body is provided with mounting holes which are circumferentially arranged at intervals, and at least the air outlet of each air supply member is positioned in the corresponding mounting hole. Of course, each air supply member can also be directly installed and fixed on the inner wall of the box body.

Preferably, each mounting hole is located at the upper part of the side wall of the box body, and the air outlet of each air supply part is inclined downwards relative to the horizontal plane. Thus, the air flow from the air supply member can flow downwards spirally.

Preferably, the included angle between the central axis of the air outlet of each air supply part and the horizontal plane is 30-45 degrees; the included angle between the central axis of the air outlet of each air supply part and the vertical surface is 30-45 degrees.

Preferably, the mounting holes and the air supply components thereof have at least four groups and are arranged at equal intervals along the circumferential direction of the box body.

In each of the above solutions, in order to further improve the drying effect, preferably, the drying device further includes a water pumping mechanism disposed at the bottom of the box body and used for keeping water at the bottom of the box body flowing, the water pumping mechanism has a motor for providing power, the motor is disposed at the bottom of the box body, a power output shaft of the motor penetrates through the bottom wall of the box body and then extends upwards into the box body, a gas guide tube for conveying gas into the box body is formed in the hollow interior of the power output shaft, and the lower end of the gas guide tube is connected with the output end of the gas supply mechanism.

Further, the water pumping mechanism further comprises a spraying arm and an impeller, the spraying arm can be rotatably arranged at the inner bottom of the box body, the impeller can be rotatably arranged below the spraying arm and used for pumping water at the bottom of the box body into the spraying arm, the impeller is connected with a power output shaft of the motor, and the upper end of the air guide pipe extends into the spraying arm. So, the air current can get into in the cavity of box through the spray arm, and because the spray arm can rotate under the exogenic action for the air current that gets into in the box can the spiral flow.

Furthermore, a flow channel extending along the length direction of the spray arm is arranged in the spray arm, a water inlet communicated with the flow channel is formed in the bottom wall of the spray arm, a water spray hole communicated with the flow channel is formed in the top wall of the spray arm, a top plate capable of enclosing the top wall of the spray arm together to form a gas collection cavity is arranged at the top of the spray arm, the gas collection cavity is communicated with the upper end of the gas guide pipe, the water spray hole is located in the gas collection cavity, a gas injection hole opposite to the water spray hole is formed in the top wall of the gas collection cavity, and a gap is reserved between the lower end of the gas injection hole and the upper end of the water spray hole. So, when making the spray arm water spray, partial air can smuggle secretly in the aquatic, and then improves the cleaning performance.

In order to further improve the drying effect, preferably, the drying device further comprises a heating element for heating gas, and the heating element is arranged on a connecting pipeline between the output end of the gas supply mechanism and the lower end of the gas guide pipe.

In each scheme, the top of the cavity is provided with an opening, and the household appliance further comprises a door body which is covered at the opening to open and close the opening.

Furthermore, the door body is provided with an exhaust port, and the cavity is communicated with the external environment through the exhaust port in a closed and open state of the door body.

Furthermore, the door body is provided with a panel and a bottom plate arranged below the panel, the bottom plate is opposite to the cavity of the box body and forms a cavity with the panel, the exhaust port comprises an exhaust inlet arranged on the bottom plate and an exhaust outlet arranged on the panel, the household appliance further comprises a fan blade arranged in the cavity and capable of rotating under the action of airflow from the exhaust inlet to the exhaust outlet, and a device for converting kinetic energy of the fan blade into electric energy.

Preferably, the fan further comprises a cooling mechanism arranged in the cavity and located downstream of the fan blades for reducing the temperature of the airflow.

In each of the above aspects, the household appliance is preferably a washing machine.

Further, the cleaning machine is a water tank type cleaning machine with an opening at the top of the cavity.

Compared with the prior art, the utility model has the advantages that: through set up two at least air supply pieces of arranging along box inner wall circumference interval on the box, the orientation of the air outlet of each air supply piece wholly is clockwise or anticlockwise to arranging in week, so for the air current that blows into in the box from air supply piece can form along clockwise or anticlockwise to rotatory air current soon, promotes the air current drying effect. And the structure is simple, and the implementation is convenient.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a partial structural view of the embodiment of the present invention (omitting the base housing);

FIG. 3 is a schematic structural diagram of an embodiment of the present invention (the door body is omitted);

FIG. 4 is a transverse cross-sectional view of FIG. 3;

FIG. 5 is an exploded perspective view of a portion of an embodiment of the present invention;

fig. 6 is a cross-sectional view of a heating element according to an embodiment of the present invention;

FIG. 7 is a longitudinal cross-sectional view of FIG. 3;

FIG. 8 is an enlarged view of portion A of FIG. 7;

FIG. 9 is a schematic structural diagram of a door body according to an embodiment of the present invention;

FIG. 10 is an enlarged view of portion B of FIG. 9;

FIG. 11 is a schematic view of a partial structure of a door body (a panel with the door body omitted) in an embodiment of the present invention;

FIG. 12 is an enlarged view of portion B of FIG. 4;

fig. 13 is an enlarged view of a portion C in fig. 4.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 13, a preferred embodiment of a household appliance with a drying function according to the present invention is a cleaning machine, which includes a box 1, an air supply member 2, an air supply mechanism 3, a water pumping mechanism 4, a heating member 5, and a door 6.

Wherein, the inner wall of the box body 1 is enclosed to form a cavity 10 with an opening at the top, and the side wall of the box body 1 is provided with a mounting hole 11. The four mounting holes 11 are equally spaced along the circumferential direction of the case 1.

As shown in fig. 3, 4, 5, 12, and 13, the air supply members 2 have four air outlets and four air inlets, which are respectively disposed corresponding to the respective mounting holes 11, each air supply member 2 has an air outlet 21 and an air inlet, which are communicated with each other, the portion where the air outlet is located is inserted into the respective mounting hole 11 from outside to inside, and the orientation of the air outlet 21 of each air supply member 2 forms an included angle with the wall surface of the box body where the air outlet is located, so that the orientation of the air outlet of each air supply member 2 is integrally arranged in a counterclockwise direction in the circumferential direction. In this embodiment, each mounting hole 11 is located at the upper portion of the side wall of the box body 1, and the air outlet 21 of each air supply member 2 is inclined downward relative to the horizontal plane. Specifically, the included angle between the central axis of the air outlet 21 of each air supply part 2 and the horizontal plane is 30-45 degrees; the included angle between the central axis of the air outlet 21 of each air supply part 2 and the vertical surface is 30-45 degrees.

As shown in fig. 5, each of the air blowing members 2 has a plurality of air blowing member units, and the air blowing member units are arranged side by side. Meanwhile, a shell 22 is inserted into each mounting hole 11, a front cover 23 with an air supply hole is arranged on the inner side of the shell 22 opposite to the cavity 10 of the box body 1, the front cover 23 is in sealing fit with the shell 22 through a sealing ring 24, a rear cover 25 opposite to the front cover 22 is arranged on the outer side of the shell 22, an air supply unit is located in the shell 22, and an air outlet 21 of the air supply unit 2 is opposite to the front cover 23.

Meanwhile, the air inlet ends of the air supply members 2 are communicated with each other through an air inlet pipe 31 in the embodiment. The output end of the air supply mechanism 3 is connected with the air inlet pipe 31. The gas supply mechanism 3 adopts a double-head pump which is connected in series. In addition, the air supply mechanism 3 may be a device that generates high-pressure air, such as a plunger pump, a diaphragm pump, an air compressor, or a fan.

As shown in fig. 4, 7 and 8, the water pumping mechanism 4 is provided at the bottom of the tank 1 to keep the water in the bottom of the tank 1 flowing. The water pumping mechanism 4 has a motor 41 for supplying power, a shower arm 42, and an impeller 43. Wherein, motor 41 locates the bottom of box 1 and its power output shaft 411 upwards stretches into in the box 1 after passing box 1 diapire, and the inside cavity of power output shaft 411 forms the air duct that is used for to the conveying gas in the box 1, and the lower extreme of this air duct links to each other with the output of above-mentioned air feed mechanism 3. The shower arm 42 is rotatably provided at the bottom in the cabinet 1. The spraying arm 42 is internally provided with a flow passage 420 extending along the length direction thereof, the center of the bottom wall of the spraying arm 42 is provided with a water inlet 421 communicated with the flow passage 420, the top wall of the spraying arm 42 is provided with a water spraying hole 422 communicated with the flow passage 420, the top of the spraying arm 42 is provided with a top plate 424 capable of enclosing with the top wall of the spraying arm 42 to form a gas collecting cavity 423, the gas collecting cavity 423 is communicated with the upper end of the gas guide pipe, the water spraying hole 422 is positioned in the gas collecting cavity 423, the top wall of the gas collecting cavity 423 is provided with a gas spraying hole 425 opposite to the water spraying hole 422, and a gap is reserved between the lower end of the gas spraying hole 425 and the upper end of the water spraying hole 422. The impeller 43 is rotatably disposed below the spray arm 42 and corresponds to the water inlet 421 of the spray arm 42 for pumping the water at the bottom of the tank 1 into the flow passage 420 of the spray arm 42, and the impeller 43 is connected to the power output shaft 411 of the motor 41.

The heating element 5 is arranged on a connecting pipeline between the output end of the gas supply mechanism 3 and the lower end of the gas guide pipe and used for heating gas. As shown in fig. 6, the heating member 5 is a U-shaped heating pipe. Of course, a straight heating tube or other heating tubes may be used. The heating member 5 is positioned on the upper part of the tank body 1 and is higher than the water level in the tank body during cleaning so as to prevent water from flowing back to the heating member.

Referring to fig. 1, 9, 10 and 11, the door cover is provided at the opening to open and close the opening. The door body 6 is provided with an exhaust port, and the cavity 10 is communicated with the external environment through the exhaust port in the state that the door body 6 is closed and opened. In this embodiment, the door 6 has a panel 61 and a bottom plate 62 disposed below the panel 61, the bottom plate 62 is opposite to the cavity 10 of the cabinet 1 and encloses the chamber 60 with the panel 61, and the exhaust port includes an exhaust inlet 620 opened on the bottom plate 62 and an exhaust outlet 610 opened on the panel 61. In the present embodiment, the exhaust inlet 620 is located at the right rear portion of the bottom plate 62, the vertical distance between the exhaust inlet and a horizontal straight line extending left and right from the center of the bottom plate 62 is L1, the vertical distance between the rear side edge of the bottom plate 62 and the horizontal straight line is L2, L1/3 is not less than L1, and L2 is not less than 1/2. Meanwhile, the exhaust inlet 620 is a plurality of strip-shaped holes distributed side by side at intervals, each strip-shaped hole is obliquely arranged from bottom to top, and an included angle between the axis of each strip-shaped hole and the horizontal plane is 45-60 degrees, so that water inflow is prevented.

The household appliance further comprises a fan blade 7 arranged in the chamber 60 and capable of rotating under the action of the airflow from the exhaust inlet 620 to the exhaust outlet 610, a device 8 for converting the kinetic energy of the fan blade 7 into electric energy, and a cooling mechanism 9. In this embodiment, the air inlet of the fan blade 7 is communicated with the exhaust inlet 620 through a first pipeline, and the exhaust outlet of the fan blade 7 is communicated with the exhaust outlet 610 through a second pipeline. The device 8 consists of an input electromagnetic interference filter, a rectification filter circuit, a power conversion circuit, a PWM controller circuit and an output rectification filter circuit, electric energy enters the device 8 and is stored in the device 8 after being rectified, transformed and stabilized, and the device 8 supplies power to a power board direct current module on the door body 6. The device 8 is provided with a charge/discharge controller which automatically cuts off the circuit of the device 8 supplied by the fan blade 7 when the voltage of the device 8 reaches a maximum value, and automatically cuts off the circuit of the power supply board supplied by the device 8 when the voltage of the device 8 reaches a minimum value. The cooling mechanism 9 is provided in the chamber 60 on a pipe between the fan blades 7 and the exhaust outlet 610, and reduces the temperature of the airflow. The cooling mechanism 9 is a cooling pipe sleeved on the periphery of the pipeline, and the outer surface of the cooling pipe is arranged on the spiral fins to increase the heat dissipation area. Please refer to fig. 11.

In the cleaning process, water at the bottom of the box body is sprayed to the tableware through the spraying arm 42 for cleaning, and at the moment, the door body 6 closes the box body 1.

After the washing is finished, a large amount of water drops are remained on the inner wall of the box body 1 of the washing machine, the dish rack and the tableware on the dish rack. In order to dry quickly, the double-head pump starts to work, a part of gas generated by the double-head pump enters the air supply part, and a part of gas enters the heating part to be heated, so that high-temperature and high-pressure gas is generated. The cold air entering the air supply member 2 is sprayed out through the air outlet end 21 and rotates counterclockwise, and meanwhile, the cold air tends to move downwards. The gas which enters the heating element for heating and generates high temperature and high pressure enters the gas collecting cavity 423 of the spray arm 42 through the power output shaft 411 of the motor 41 and is sprayed out from the gas spraying holes 425 of the spray arm 42, the temperature of the gas from the gas spraying holes 425 is above 70 ℃, the temperature difference enables cold air to drop rapidly, hot air rises rapidly, and the convection velocity of the air on the upper layer and the lower layer is too high. In the convection zone, the airflows with different directions collide and rotate to obtain upward longitudinal speed, and are mutually wound, and the air rotation generates a rotation core. Because the double-head pump supplements the follow-up gas and has certain pressure, a stable cylindrical rotary vortex is developed in the convection area, and the cyclone vortex field effect of upward rotary suction is generated. At the moment, the water drops in the box body can be effectively gathered and pumped out rapidly by using smaller power, and the drying efficiency is improved.

In order to ensure the cleaning effect, the tableware is provided with gaps, for example, the openings of the deep-tray and the shallow-tray are arc-shaped with the distance of 37mm, when cold air comes out from the air supply part 2, the cold air moves in an arc along the disk surface, when the cold air meets hot air, a small cyclone is formed in front of the plate, a small vortex is formed in front of each tableware in the box body, and the small vortex rises along with airflow, under the action of a large number of small vortexes, the two vortexes are finally converged above the tableware to form a large vortex, the large vortex rapidly rises in continuous rotational friction to generate strong rotational ascending airflow, and because a gap is formed between the bowl frame and the trough body and the bowl frame and the trough body are not blocked, a cyclone is formed between the bowl frame and the trough body, when the two cyclones are converged above the tableware, the rotation directions of the two cyclones are the same, according to mutual superposition of wave crests, the two cyclones converge into a cyclone with larger energy, and the drying effect is improved.

Claims (15)

1. A household appliance with drying function, comprising:

the inner wall of the box body (1) is enclosed to form a cavity (10);

it is characterized by also comprising:

the air supply device comprises at least two air supply pieces (2), wherein each air supply piece (2) is provided with an air outlet (21) and an air inlet which are communicated, each air supply piece (2) is arranged at intervals along the circumferential direction of the inner wall of the box body (1), and the orientation of the air outlet (21) of each air supply piece (2) forms an included angle with the wall surface of the box body where the air outlet is located, so that the orientation of the air outlet (21) of each air supply piece (2) is integrally arranged in a clockwise or anticlockwise rotating direction in the circumferential direction;

and the output end of the air supply mechanism (3) is communicated with the air inlets of the air supply parts (2).

2. The household appliance according to claim 1, wherein: the inner wall of the box body (1) is provided with mounting holes (11) which are circumferentially arranged at intervals, and at least the part of each air supply piece (2) where the air outlet (21) is located is positioned in the corresponding mounting hole (11).

3. The household appliance according to claim 2, wherein: each mounting hole (11) is positioned at the upper part of the side wall of the box body (1), and the air outlet (21) of each air supply part (2) is obliquely arranged downwards relative to the horizontal plane.

4. A household appliance as claimed in claim 3, characterized in that: the included angle between the central axis of the air outlet (21) of each air supply part (2) and the horizontal plane is 30-45 degrees; the included angle between the central axis of the air outlet (21) of each air supply piece (2) and the vertical surface is 30-45 degrees.

5. The household appliance according to claim 2, wherein: the mounting holes (11) and the air supply components (2) thereof are at least four groups and are arranged at equal intervals along the circumferential direction of the box body (1).

6. A household appliance as claimed in any one of claims 1 to 5, wherein: still including locating box (1) bottom, be used for making the water of box (1) bottom keep mobile pump water mechanism (4), this pump water mechanism (4) have motor (41) that are used for providing power, this motor (41) locate box (1) bottom and its power output shaft (411) upwards stretch into in box (1) after passing box (1) diapire, the inside cavity formation of power output shaft (411) is arranged in to box (1) air duct of conveying gas, and the lower extreme of this air duct links to each other with the output of above-mentioned air feed mechanism (3).

7. The household appliance according to claim 6, wherein: the water pumping mechanism (4) is characterized by further comprising a spraying arm (42) and an impeller (43), wherein the spraying arm (42) can be rotatably arranged at the bottom in the box body (1), the impeller (43) can be rotatably arranged below the spraying arm (42) and is used for pumping water at the bottom of the box body (1) to the spraying arm (42), the impeller (43) is connected with a power output shaft (411) of the motor (41), and the upper end of the air guide pipe extends into the spraying arm (42).

8. The household appliance according to claim 7, wherein: the spraying arm (42) is internally provided with a flow channel (420) extending along the length direction of the spraying arm, the bottom wall of the spraying arm (42) is provided with a water inlet (421) communicated with the flow channel (420), the top wall of the spraying arm (42) is provided with a water spray hole (422) communicated with the flow channel (420), the top of the spraying arm (42) is provided with a top plate (424) which can jointly enclose a gas collection cavity (423) with the top wall of the spraying arm (42), the gas collection cavity (423) is communicated with the upper end of the gas guide tube, the water spray hole (422) is positioned in the gas collection cavity (423), the top wall of the gas collection cavity (423) is provided with a gas spray hole (425) opposite to the water spray hole (422), and a gap is reserved between the lower end of the gas spray hole (425) and the upper end of the water spray hole (422).

9. The household appliance according to claim 6, wherein: still including being used for the heating member (5) of heating gas, heating member (5) are located the connecting pipeline between the output of air feed mechanism (3) and the air duct lower extreme.

10. A household appliance as claimed in any one of claims 1 to 5, wherein: the top of the cavity (10) is provided with an opening, the household appliance further comprises a door body (6), and the door body (6) is covered at the opening to open and close the opening.

11. The household appliance according to claim 10, wherein: the door body (6) is provided with an exhaust port, and the cavity (10) is communicated with the external environment through the exhaust port in the state that the door body (6) is closed and opened.

12. The household appliance according to claim 11, wherein: the door body (6) is provided with a panel (61) and a bottom plate (62) arranged below the panel (61), the bottom plate (62) is opposite to a cavity (10) of the box body (1) and surrounds the cavity (60) with the panel (61), the exhaust port comprises an exhaust inlet (620) formed in the bottom plate (62) and an exhaust outlet (610) formed in the panel (61), and the household appliance further comprises a fan blade (7) which is arranged in the cavity (60) and can rotate under the action of airflow from the exhaust inlet (620) to the exhaust outlet (610) and a device (8) for converting kinetic energy of the fan blade (7) into electric energy.

13. The household appliance according to claim 12, wherein: and the cooling mechanism (9) is arranged in the cavity (60) and positioned at the downstream of the fan blades (7) and used for reducing the temperature of the airflow.

14. A household appliance as claimed in any one of claims 1 to 5, wherein: the household appliance is a cleaning machine.

15. The household appliance according to claim 14, wherein: the cleaning machine is a water tank type cleaning machine with an opening at the top of the cavity (10).

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