Air inlet device of dish washing machine

Abstract

An air inlet device of a dish-washing machine comprises an air inlet pipe assembly, an air inlet hole and an air outlet hole communicated with an inner container of the dish-washing machine are formed in the air inlet pipe assembly, the air inlet device further comprises an air box and a deodorization assembly arranged in the air box, and the air inlet hole, the air box and the air outlet hole are sequentially communicated; the air inlet pipe assembly is internally provided with an air channel communicating with the air inlet hole, the air outlet hole and the air box, and the air channel is provided with a heating part. The independent air box is arranged on the outer side of the air inlet pipe assembly, the deodorization assembly is arranged in the air box, external cold air enters the air box after entering the air inlet pipe assembly and being heated by the heating component, then returns into the air inlet pipe assembly and enters the inner container of the dish washing machine, peculiar smells of air in the inner container can be removed, and the air can be refreshed; the inner container is disinfected and sterilized to ensure that the inner container of the dish washing machine has a clean working environment; besides, when the deodorization assembly is replaced by the external air box, the deodorization assembly can be replaced only by disassembling the air box, the disassembly and assembly are simple and rapid, and the deodorization assembly is very convenient to replace.

Description

Technical Field

[0001] The utility model relates to the technical field of dishwashers, in particular to an air inlet device of a dishwasher. Background Art

[0002] Chinese patent document No. CN105147220A disclosed a dishwasher on December 16, 2015, including an inner tank, an air duct and an air inlet device. A washing cavity is formed in the inner tank, an air outlet is provided on the inner tank, the air duct is arranged in the inner tank, and the air duct is provided with air outlets arranged along the length direction of the air duct, and the air inlet device is connected to the air duct. The air inlet device of the dishwasher is used to introduce hot air into the inner tank, so as to dry the washed tableware. The air inlet device has a single function and does not have the function of deodorizing and disinfecting the inner tank; in addition, some existing air inlet devices have built-in deodorizing components, but this makes the internal structure of the air inlet device complicated, and the deodorizing components are not convenient to disassemble and replace.

[0003] Therefore, further improvements are necessary. Utility Model Content

[0004] The utility model aims to provide an air inlet device for a dishwasher which has a simple structure, can effectively remove odor from an inner tank, has a good purification effect, is convenient to assemble and disassemble, and is highly practical, so as to overcome the shortcomings of the prior art.

[0005] An air inlet device for a dishwasher designed for this purpose includes an air inlet duct assembly, on which an air inlet hole and an air outlet hole connected to an inner tank of the dishwasher are provided. The invention is characterized in that the air inlet duct assembly also includes an air box and a deodorizing assembly arranged in the air box, and the air inlet hole, the air box and the air outlet hole are connected in sequence.

[0006] An air duct which is connected to the air inlet hole, the air outlet hole and the air box respectively is arranged in the air inlet pipe assembly, and a heating component is arranged on the air duct.

[0007] The air duct includes an air inlet channel and an air outlet channel. The air inlet channel is connected to the air inlet hole, and the air outlet channel is connected to the air outlet hole and the air box respectively. A damper for connecting or cutting off the air inlet channel and the air outlet channel is arranged between the air inlet channel and the air outlet channel.

[0008] The air box is provided with an air inlet and an air outlet, and the air outlet channel is connected to the air inlet and the air outlet respectively.

[0009] The air box is polygonal, circular or elliptical, and the air inlet and the air outlet are respectively extended and arranged on the outside of the air box.

[0010] The air box is located outside the air inlet duct assembly, and the air box is located between the air door and the air outlet.

[0011] The deodorizing component includes silver ions and / or an ion generator and / or an ozone generator and / or an air freshener.

[0012] The air inlet duct assembly is formed by connecting a "7"-shaped air inlet duct and a "T"-shaped air outlet duct. The air inlet channel is located in the air inlet duct, the air outlet channel is located in the air outlet duct, and the air outlet holes are respectively arranged at both ends of the "T" shape of the air outlet duct.

[0013] It also includes a fan; the fan is arranged outside the air inlet, and the air outlet end of the fan is connected to the air inlet, or the fan is arranged in the air inlet channel.

[0014] An air outlet connecting channel and an air inlet connecting channel are respectively extended on one side of the air outlet channel, one end of the air outlet connecting channel is connected to the air inlet, one end of the air inlet connecting channel is connected to the air outlet, and the other end of the air outlet connecting channel and the other end of the air inlet connecting channel are respectively provided with guide plates extending into the air outlet channel.

[0015] The utility model arranges an independent air box on the outside of the air inlet duct assembly, and arranges a deodorizing assembly in the air box. External cold air enters the air inlet duct assembly, is heated by a heating component, and then enters the air box, and then returns to the air inlet duct assembly and enters the inner tank of the dishwasher. The odor of the air in the inner tank can be removed, the air is refreshed, and the inner tank is disinfected and sterilized, thereby ensuring a clean working environment for the inner tank of the dishwasher. In addition, when replacing the deodorizing assembly of the external air box, it only needs to disassemble the air box to replace it. The disassembly and assembly are simple and quick, making the replacement of the deodorizing assembly very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the air inlet device in one embodiment of the utility model.

[0017] Figure 2 It is a partial structural schematic diagram of the air inlet device in one embodiment of the utility model.

[0018] Figure 3 It is a schematic diagram of the exploded structure of the air inlet device in one embodiment of the utility model.

[0019] Figure 4 It is a schematic diagram of the overall structure of another aspect of the air inlet device in one embodiment of the utility model. DETAILED DESCRIPTION

[0020] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0021] See also Figure 1-Figure 4 The air inlet device of the dishwasher includes an air inlet duct assembly 1, on which an air inlet hole 2 and an air outlet hole 3 connected to the inner tank of the dishwasher are arranged, and also includes an air box 4 and a deodorizing assembly 5 arranged in the air box 4. The air inlet hole 2, the air box 4 and the air outlet hole 3 are connected in sequence.

[0022] An air duct 6 is provided in the air inlet duct assembly 1 and is connected to the air inlet hole 2, the air outlet hole 3 and the air box 4 respectively. A heating component 7 is provided on the air duct 6, and the heating component 7 is a PTC heater.

[0023] The air duct 6 includes an air inlet channel 8 and an air outlet channel 9. The air inlet channel 8 is connected to the air inlet hole 2, and the air outlet channel 9 is connected to the air outlet hole 3 and the air box 4 respectively. A damper 10 is provided between the air inlet channel 8 and the air outlet channel 9 for connecting or cutting off the air inlet channel 8 and the air outlet channel 9.

[0024] The heating component 7 is arranged on the air inlet passage 8 .

[0025] The damper 10 is a baffle, and a rotating hole 18 is provided at one end of the damper 10. A rotating shaft 19 and a limiting plate 20 are provided on the air inlet duct assembly 1. The damper 10 is rotatably installed on the rotating shaft 19 through the rotating hole 18. When no external wind enters the air inlet duct assembly 1, the damper 10 rotates downward under the action of gravity, and the other end of the damper 10 abuts against the limiting plate 20. At this time, the air inlet channel 8 and the air outlet channel 9 are cut off and are not connected to each other. When external wind enters the air inlet duct assembly 1, the external wind pushes the damper 10 to rotate upward, and at this time, the air inlet channel 8 and the air outlet channel 9 are connected.

[0026] The air box 4 is provided with an air inlet 11 and an air outlet 12, and the air outlet channel 9 is connected to the air inlet 11 and the air outlet 12 respectively, and the positions of the air inlet 11 and the air outlet 12 can be interchanged.

[0027] The air box 4 is polygonal, circular or elliptical in shape, and the air inlet 11 and the air outlet 12 are respectively extended and arranged on the outside of the air box 4. The air box 4 of this embodiment is square in shape.

[0028] A plurality of positioning cards 21 are arranged in the air box 4 , and the deodorizing component 5 is positioned and installed between the plurality of positioning cards 21 .

[0029] The air box 4 is located outside the air inlet duct assembly 1 , and the air box 4 is located between the damper 10 and the air outlet hole 3 , and the air box 4 is located on one side of the air outlet channel 9 .

[0030] The deodorizing component 5 includes silver ions and / or an ion generator and / or an ozone generator and / or an air freshener.

[0031] The air inlet duct assembly 1 is formed by connecting a "7"-shaped air inlet duct 13 and a "T"-shaped air outlet duct 14. The air inlet channel 8 is located in the air inlet duct 13, the air outlet channel 9 is located in the air outlet duct 14, the air outlet holes 3 are respectively arranged at the "T"-shaped ends of the air outlet duct 14, and the air inlet hole 2 is arranged at the "7"-shaped tail end of the air inlet duct 13.

[0032] It also includes a fan; the fan is arranged outside the air inlet hole 2, and the air outlet end of the fan is connected to the air inlet hole 2, or the fan is arranged in the air inlet channel 8.

[0033] An air outlet connecting channel 15 and an air inlet connecting channel 16 are respectively extended on one side of the air outlet channel 9 (air outlet duct 14), one end of the air outlet connecting channel 15 is connected to the air inlet 11, and one end of the air inlet connecting channel 16 is connected to the air outlet 12, and the other end of the air outlet connecting channel 15 and the other end of the air inlet connecting channel 16 are respectively provided with guide plates 17 extending into the air outlet channel 9, the guide plates 17 of the air outlet connecting channel 15 can guide the wind to flow toward the air box 4, and the guide plates 17 of the air inlet connecting channel 16 can guide the wind to flow toward the air outlet 3. In addition, the guide plates 17 can prevent water vapor and water droplets in the air outlet channel 9 from flowing back to the air outlet connecting channel 15 and the air inlet connecting channel 16, and then enter the air box 4.

[0034] like Figure 2 As shown by the arrow, when the fan is working, the external wind enters the air inlet channel 8 through the air inlet hole 2, and then is heated by the heating component 7. The hot air then pushes open the damper 10 and enters the air outlet channel 9. The hot air enters the air box 4 through the air inlet 11, is purified by the deodorizing component 5, and then flows back to the air outlet channel 9 through the air outlet 12, and then flows into the inner tank of the dishwasher through the air outlet hole 3 to dry the tableware, remove the odor of the air in the inner tank, refresh the air, and disinfect and sterilize the inner tank.

[0035] The air inlet duct assembly 1 includes a first shell 22 and a second shell 23 that are mutually engaged, and an air duct 6 is formed between the first shell 22 and the second shell 23. The air box 4 includes a third shell 24 and a fourth shell 25. The third shell 24 is respectively provided with a first buckle 26 on the periphery, and the fourth shell 25 is respectively provided with a first clamping position 27 on the periphery. The first buckle 26 and the first clamping position 27 are mutually engaged to connect the third shell 24 and the fourth shell 25. The first shell 22 and the second shell 23 are respectively provided with a second buckle 28. The third shell 24 and the fourth shell 25 are respectively provided with a second clamping position 29, and the second buckle 28 and the second clamping position 29 are buckled with each other to connect the first shell 22 and the third shell 24, the second shell 23 and the fourth shell 25, and then connect the air inlet duct assembly 1 and the air box 4; when replacing the deodorizing assembly 5, unfasten the first buckle 26 and the first clamping position 27, unfasten the second buckle 28 of the first shell 22 and the second clamping position 29 of the third shell 24, remove the third shell 24, and then the deodorizing assembly 5 can be taken out for replacement.

[0036] The above is a preferred embodiment of the utility model, which shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. The utility model may have various changes and improvements without departing from the spirit and scope of the utility model, and these changes and improvements fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An air inlet device for a dishwasher, comprising an air inlet duct assembly (1), the air inlet duct assembly (1) being provided with an air inlet hole (2) and an air outlet hole (3) communicating with an inner container of the dishwasher, characterized in that: It also includes an air box (4) and a deodorizing component (5) disposed in the air box (4), wherein the air inlet (2), the air box (4) and the air outlet (3) are connected in sequence; An air duct (6) is provided in the air inlet duct assembly (1) and is connected to the air inlet hole (2), the air outlet hole (3) and the air box (4) respectively. A heating component (7) is provided on the air duct (6); The air duct (6) comprises an air inlet channel (8) and an air outlet channel (9), the air inlet channel (8) being connected to the air inlet hole (2), the air outlet channel (9) being connected to the air outlet hole (3) and the air box (4), respectively, and a damper (10) for connecting or disconnecting the air inlet channel (8) and the air outlet channel (9) being provided between the air inlet channel (8) and the air outlet channel (9).

2. The air inlet device of the dishwasher according to claim 1, characterized in that: An air inlet (11) and an air outlet (12) are provided on the air box (4), and the air outlet channel (9) is connected to the air inlet (11) and the air outlet (12) respectively.

3. The air inlet device of the dishwasher according to claim 2, characterized in that: The air box (4) is polygonal, circular or elliptical in shape, and the air inlet (11) and the air outlet (12) are respectively extended and arranged on the outside of the air box (4).

4. The air inlet device of the dishwasher according to claim 1, characterized in that: The air box (4) is located outside the air inlet pipe assembly (1), and the air box (4) is located between the air door (10) and the air outlet hole (3).

5. The air inlet device of the dishwasher according to claim 1, characterized in that: The deodorizing component (5) includes silver ions and / or an ion generator and / or an ozone generator and / or an air freshener.

6. The air inlet device of the dishwasher according to claim 1, characterized in that: The air inlet duct assembly (1) is formed by connecting a "7"-shaped air inlet duct (13) and a "T"-shaped air outlet duct (14); the air inlet channel (8) is located in the air inlet duct (13); the air outlet channel (9) is located in the air outlet duct (14); and the air outlet holes (3) are respectively arranged at both ends of the "T" shape of the air outlet duct (14).

7. The air inlet device of the dishwasher according to claim 1, characterized in that: It also includes a fan; the fan is arranged outside the air inlet hole (2), and the air outlet end of the fan is connected to the air inlet hole (2), or the fan is arranged in the air inlet channel (8).

8. The air inlet device of the dishwasher according to claim 2, characterized in that: An air outlet connecting channel (15) and an air inlet connecting channel (16) are respectively extended on one side of the air outlet channel (9); one end of the air outlet connecting channel (15) is connected to the air inlet (11); one end of the air inlet connecting channel (16) is connected to the air outlet (12); and the other end of the air outlet connecting channel (15) and the other end of the air inlet connecting channel (16) are respectively provided with guide plates (17) extending into the air outlet channel (9).

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