Sink dishwasher with drying and disinfecting functions

Abstract

A sink dishwasher with drying and disinfecting functions comprises a sink, a cover plate and a drying and disinfecting device, and the sink comprises an annular edge plate, a lower air inlet hole formed in a rear wall plate, an upper exhaust pressure relief hole formed in the rear wall plate and an exhaust hole set formed in the annular edge plate; the exhaust pressure relief hole is communicated with the exhaust hole group; the drying and disinfecting device comprises a shell with a front opening, a fan, an air heating device, a flow guide pipe, a negative ion generator and an air guide part, the negative ion generator comprises a circuit board, a high-voltage power supply and a discharge electrode, the fan, the air heating device and the flow guide pipe are sequentially communicated and arranged in the shell, the flow guide pipe extends out of the shell, and the discharge electrode is arranged in the flow guide pipe; the air guide piece is communicated with the flow guide pipe; the shell and the rear wall plate are buckled and fixed, and the air guide piece is communicated with the air inlet hole; and the air inlet end of the air guide piece is provided with an anti-backflow device. By arranging the anti-backflow device in the air guide piece, steam or water flow is prevented from entering the drying and disinfecting device when the sink dishwasher works, and potential safety hazards are eliminated.

Description

Technical Field

[0001] The utility model relates to a sink dishwasher. Background Art

[0002] Currently, Chinese Patent No. 202021883623.5 discloses a dishwasher with a hot air drying mechanism equipped with a negative ion generator. The hot air drying mechanism includes at least an air heater, a fan, and a negative ion generator. The fan is mounted on the air heater, and the negative ion generator is located between the air heater and the fan. The hot air drying mechanism is connected to a water tank within the dishwasher. The water tank is provided with an exhaust port. The wet steam generated by hot air heating the dishes is discharged through the exhaust port on the water tank. However, a problem exists: backflow prevention is not achieved after the fan stops working, posing a safety hazard. Utility Model Content

[0003] The purpose of the utility model is to provide a water tank dishwasher equipped with a drying and disinfecting function, which has the characteristics of preventing backflow and eliminating hidden dangers.

[0004] The utility model is realized as follows: a water tank dishwasher with drying and disinfection function, which is special in that it comprises a water tank, a cover plate and a drying and disinfection device.

[0005] The water tank includes an annular edge plate, an air inlet hole at the lower part of the rear wall plate, an exhaust pressure relief hole at the upper part, and an exhaust hole group provided on the annular edge plate; the exhaust pressure relief hole is connected to the exhaust hole group;

[0006] The drying and disinfecting device includes a front-opening housing, a fan, an air heating device, a guide pipe, a negative ion generator and an air guide. The negative ion generator includes a circuit board, a high-voltage power supply and a discharge electrode.

[0007] The fan, air heating device and air guide pipe are connected in sequence and arranged in the shell. The air guide pipe extends from the shell, and the discharge electrode is arranged in the air guide pipe; the air guide piece is connected to the air guide pipe; the shell is fastened and fixed to the rear wall plate, and the air guide piece is connected to the air inlet hole; the air inlet end of the air guide piece is provided with an anti-backflow device.

[0008] The special feature of the water tank dishwasher with drying and disinfection function is that the air heating device comprises a shell with openings at both ends and a PTC heater, and the shell is provided with air inlet holes;

[0009] One end of the shell is connected to the fan, and the other end is connected to the guide pipe.

[0010] The special feature of the above-mentioned water tank dishwasher with drying and disinfection function is that it also includes a frame, which includes a fan cavity, an air inlet pipe arranged on the top of the fan cavity, a control cavity and a power cavity;

[0011] The fan is arranged in the fan cavity, the high-voltage power supply is arranged in the power cavity, the circuit board is arranged in the control cavity, and the seat frame is fixed to the back plate of the shell.

[0012] The special feature of the above-mentioned water-sink dishwasher with drying and disinfection function is that the air guide comprises a vertical pipe with a lower opening, a side interface and an air outlet cavity.

[0013] The side interface is plugged into the guide pipe, the air outlet cavity is fixed and sealed to the rear wall plate of the water tank, and the air outlet cavity is butted against the air inlet hole.

[0014] The special feature of the water tank dishwasher with drying and disinfection function is that the vertical pipe is provided with an upper opening, and the side wall plate opposite to the side interface is provided with a hinge groove with an upper opening.

[0015] The anti-backflow device includes a damper plate, and half shafts are provided at both ends of the upper end of the damper plate;

[0016] Also includes the top cover,

[0017] The half shaft of the damper plate rotates with the hinge groove and fits with the side wall plate to close the air outlet end of the side interface; the top cover is plugged into the upper opening of the vertical pipe to keep the half shaft in the hinge groove.

[0018] The special feature of the water tank dishwasher with drying and disinfection function is that the shell is provided with a first air hole group and a second air hole group which cooperate with the fan and the air heating device.

[0019] The utility model discloses a water tank dishwasher provided with drying and disinfecting functions. The backflow prevention device is arranged in the air guide piece to prevent steam or water from entering the drying and disinfecting device when the water tank dishwasher is working, thereby eliminating potential safety hazards. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the present utility model.

[0021] Figure 2 It is a three-dimensional exploded view of the present utility model.

[0022] Figure 3 This is one of the partial cross-sectional views of the present invention.

[0023] Figure 4 This is the second partial sectional view of the present invention.

[0024] Figure 5 It is a cross-sectional view of the drying and disinfecting device of the present utility model.

[0025] Figure 6 It is a three-dimensional diagram of the drying and disinfecting device of the present utility model.

[0026] Figure 7It is a three-dimensional exploded view of the drying and disinfecting device of the utility model. DETAILED DESCRIPTION

[0027] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0028] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediate medium, or internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this utility model based on the specific circumstances.

[0029] like Figure 1 、 Figure 2 As shown, a sink dishwasher with drying and disinfection function includes a sink 1, a cover plate 2 and a drying and disinfection device.

[0030] The water tank 1 includes an annular edge plate 11, an air inlet 12 provided at the lower part of the rear wall plate, an exhaust pressure relief hole 13 provided at the upper part, and an exhaust hole group 14 provided on the annular edge plate 11; the exhaust pressure relief hole 13 is connected to the exhaust hole group 14; the rear end of the cover plate 2 is hinged to the edge plate portion at the rear of the annular edge plate 11, and the exhaust hole group 14 is located on the edge plate portion at the rear of the hinge between the cover plate 2 and the annular edge plate 11; Figure 1 、 Figure 3 As shown, the exhaust pressure relief hole 13 is connected to the exhaust hole group 14 through the air guide device, and can also be connected through a right-angle pipe;

[0031] The drying and disinfecting device includes a housing 3 with a front opening, a fan 4, an air heating device 5, a flow guide 6, a negative ion generator and an air guide 8. The negative ion generator includes a circuit board 71, a high-voltage power supply 72 and a discharge electrode 73.

[0032] The fan 4, the air heating device 5 and the guide pipe 6 are connected in sequence and arranged in the shell 3. The guide pipe 6 extends from the shell 3, and the discharge electrode 73 is arranged in the guide pipe 6; the air guide member 8 is connected to the guide pipe 6; the shell 3 is fastened and fixed to the rear wall plate of the water tank 1, and the air guide member 8 is connected to the air inlet 12; the air inlet end of the air guide member 8 is provided with an anti-backflow device.

[0033] The air heating device 5 comprises a housing 51 with openings at both ends and a PTC heater 52. The housing 51 is provided with an air inlet hole.

[0034] One end of the housing 51 is connected to the fan 4 , and the other end is connected to the flow guide pipe 6 .

[0035] As a further improvement of the present invention: it also includes a base frame 9, which includes a fan chamber 91, an air inlet pipe 92 provided on the top of the fan chamber 91, a control chamber 93 and a power chamber 94;

[0036] The fan 4 is arranged in the fan cavity 91 , the high-voltage power supply is arranged in the power cavity 94 , the circuit board is arranged in the control cavity 93 , and the mount 9 is arranged in the shell 3 and fixed to the back plate of the shell 3 .

[0037] The air guide 8 includes a vertical pipe 81 with a lower opening, a side interface 82, and an air outlet cavity 83 provided at the lower end of the vertical pipe 81.

[0038] The side interface 82 is plugged into the guide pipe 6 , the air outlet cavity 83 is fixed and sealed to the rear wall plate of the water tank 1 , and the air outlet cavity 83 is connected to the air inlet 12 .

[0039] As a further improvement of the present invention: the vertical pipe 81 is provided with an upper opening, and the side wall plate opposite to the side interface 82 is provided with a hinge groove 811 with an upper opening.

[0040] The anti-backflow device includes a damper plate 10, and half shafts are provided at both ends of the upper end of the damper plate 10;

[0041] Also included is a top cover 812,

[0042] The half shaft of the damper plate 10 rotates with the hinge groove 811 and fits with the side wall plate and closes the air outlet end of the side interface 82; the top cover 812 is plugged into the upper opening of the vertical pipe 81 to keep the half shaft in the hinge groove 811. Figure 5 As shown, the fan 4 rotates, the air heating device 5 works, the damper plate 10 rotates clockwise, and the hot air enters the water tank through the vertical pipe 81 and the air outlet cavity 83;

[0043] When the fan 4 stops rotating, the damper plate 10 rotates counterclockwise and resets under the action of gravity, closing the air outlet end of the side interface; the dishwashing setting of the sink 1 works to prevent steam from entering the drying and disinfecting device.

[0044] As a further improvement of the present invention, the housing 3 is provided with a first air hole group 31 and a second air hole group 32 that cooperate with the fan 4 and the air heating device 5 .

[0045] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A sink dishwasher with drying and disinfection function, characterized by: Including sink, cover and drying and disinfection device, The water tank includes an annular edge plate, an air inlet hole at the lower part of the rear wall plate, an exhaust pressure relief hole at the upper part, and an exhaust hole group provided on the annular edge plate; the exhaust pressure relief hole is connected to the exhaust hole group; The drying and disinfecting device includes a front-opening housing, a fan, an air heating device, a guide pipe, a negative ion generator and an air guide. The negative ion generator includes a circuit board, a high-voltage power supply and a discharge electrode. The fan, air heating device and air guide pipe are connected in sequence and arranged in the shell. The air guide pipe extends from the shell, and the discharge electrode is arranged in the air guide pipe; the air guide piece is connected to the air guide pipe; the shell is fastened and fixed to the rear wall plate, and the air guide piece is connected to the air inlet hole; the air inlet end of the air guide piece is provided with an anti-backflow device.

2. The dishwasher with a drying and disinfecting function according to claim 1, characterized in that: The air heating device comprises a shell with openings at both ends and a PTC heater, wherein the shell is provided with an air inlet hole; One end of the shell is connected to the fan, and the other end is connected to the guide pipe.

3. The dishwasher with a drying and disinfecting function according to claim 1, characterized in that: It also includes a base frame, which includes a fan chamber, an air inlet pipe arranged on the top of the fan chamber, a control chamber and a power chamber; The fan is arranged in the fan cavity, the high-voltage power supply is arranged in the power cavity, the circuit board is arranged in the control cavity, and the seat frame is fixed to the back plate of the shell.

4. The dishwasher with a drying and disinfecting function according to claim 1, characterized in that: The air guide comprises a vertical pipe with a lower opening, a side interface and an air outlet cavity. The side interface is plugged into the guide pipe, the air outlet cavity is fixed and sealed to the rear wall plate of the water tank, and the air outlet cavity is butted against the air inlet hole.

5. The sink dishwasher with drying and disinfection function according to claim 4, characterized in that: The vertical pipe is provided with an upper opening, and the side wall plate opposite to the side interface is provided with a hinge groove with an upper opening. The anti-backflow device includes a damper plate, and half shafts are provided at both ends of the upper end of the damper plate; Also includes the top cover, The half shaft of the damper plate rotates with the hinge groove and fits with the side wall plate to close the air outlet end of the side interface; the top cover is plugged into the upper opening of the vertical pipe to keep the half shaft in the hinge groove.

6. The dishwasher with a drying and disinfecting function according to claim 2, characterized in that: The shell is provided with a first air hole group and a second air hole group which cooperate with the fan and the air heating device.

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