Air duct structure of dish washing machine

Abstract

The utility model provides an air duct structure of a dish-washing machine, which relates to the technical field of household appliances and comprises a shell mechanism, a fan, a semiconductor condensation sheet and a baffle assembly, an accommodating space is arranged in the shell mechanism, and the shell mechanism is used for being connected with an external liner assembly; the fan and the semiconductor condensation sheet are arranged in the accommodating space, and the fan is used for blowing air to the semiconductor condensation sheet; the semiconductor condensation sheet comprises a condensation sheet cold end and a condensation sheet warm end; the baffle assembly is arranged in the containing space, the baffle assembly is arranged between the draught fan and the semiconductor condensation piece, and the baffle assembly is used for shielding air of the draught fan for the cold end of the condensation piece or the warm end of the condensation piece so as to be used for conveying a heating medium or a refrigerant to the inner container assembly. The technical problems that in the prior art, a draught fan only has the heating or condensing function, and gas exhausted from the inner container contains too much moisture are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of household electrical appliances, in particular to an air duct structure of a dishwasher. Background Art

[0002] In the prior art, a conventional dishwasher includes: a rack placed in an inner tank for accommodating tableware; a washing arm for spraying washing water onto the tableware in the rack; a washing pump and a washing motor for supplying washing water to the washing arm; an air inlet duct connecting the inner tank of the dishwasher with the outside world, a fan on the air inlet duct draws external air into the air inlet duct, and the air enters the inner tank through the air inlet duct to dry the tableware; and an air outlet duct connecting the inner tank of the dishwasher with the outside world, a fan on the air outlet duct draws external air into the air outlet duct, the hot and humid steam coming out of the inner tank is condensed in the air outlet duct, the cold air is discharged to the outside through the air outlet of the air outlet duct, and the condensed water flows back to the inner tank through the return port on the air outlet duct.

[0003] During use, the dishwasher drives the washing pump to transfer the washing water stored in the water tank to the washing arm, and then the washing water is sprayed from the washing arm at high pressure to impact the surface of the tableware in the rack, that is, the high-pressure washing water impacts the surface of the tableware and removes the dirt remaining on the surface of the tableware. After removing the dirt on the surface of the tableware, the tableware is rinsed, and after rinsing, the fan is used to draw the external air into the inner tank through the air inlet duct to dry the tableware; and after drying, the hot and humid steam in the inner tank enters the air outlet duct, and the fan draws cold air into the air outlet duct to condense the hot and humid steam, and finally the cold air is discharged from the air outlet of the air outlet duct to the outside, and the condensed water flows back to the inner tank through the return port on the air outlet duct.

[0004] However, currently available fans can only heat or condense the gas, and cannot solve the problem of excessive moisture in the gas discharged from the inner tank. Utility Model Content

[0005] The utility model aims to provide an air duct structure for a dishwasher, so as to alleviate the technical problems existing in the prior art that the fan only has the function of heating or condensing, and the gas discharged from the inner tank contains too much water.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] In a first aspect, the utility model provides an air duct structure of a dishwasher, comprising a housing mechanism, a fan, a semiconductor condenser sheet and a baffle assembly, wherein a housing space is provided in the housing mechanism, and the housing mechanism is used to be connected to an external inner tank assembly;

[0008] The wind and the semiconductor condensing sheet are both arranged in the accommodating space, and the fan is used to blow air to the semiconductor condensing sheet;

[0009] The semiconductor condenser sheet comprises a condenser sheet cold end and a condenser sheet warm end;

[0010] The baffle assembly is arranged in the accommodating space, and the baffle assembly is arranged between the fan and the semiconductor condenser sheet, and the baffle assembly is used to shield the wind of the fan for the cold end of the condenser sheet or the warm end of the condenser sheet, so as to transport the heat medium or the cold medium to the inner tank assembly.

[0011] Furthermore, the housing structure includes an air duct upper cover, an extension cover, an air duct lower cover and an air duct middle support member, and the air duct upper cover and the extension cover are both connected to one side of the air duct middle support member;

[0012] The side of the air duct middle support member facing away from the air duct upper cover is connected to the air duct lower cover, and the accommodating space is provided between the air duct middle support member and the air duct lower cover;

[0013] The air duct lower cover is used to be connected to the inner tank assembly.

[0014] Further, the baffle assembly includes a baffle and a memory metal piece, one end of the memory metal piece is connected to the lower cover of the air duct, and the other end is connected to the memory metal piece;

[0015] The memory metal piece is connected to the middle support piece of the air duct, and the memory metal piece is used to shield the wind of the fan for the cold end of the condensing sheet or the warm end of the condensing sheet by changing the length of the memory metal piece.

[0016] Furthermore, the middle support of the air duct is provided with a condensed water channel;

[0017] The lower cover of the air duct is provided with a condensed water outlet, and the condensed water outlet is used to be connected to the inner tank assembly;

[0018] The condensed water channel is connected to the condensed water outlet, and the condensed water channel is used to discharge the condensed water into the inner tank assembly through the condensed water outlet.

[0019] Furthermore, the middle support of the air duct is also provided with a condensation air outlet, and the condensation air outlet is used to discharge cold air.

[0020] Furthermore, the lower cover of the air duct is provided with an air inlet and a warm air outlet, an air duct is formed between the air inlet and the warm air outlet, and the air duct is connected to the semiconductor condensing sheet;

[0021] The fan is connected to the lower cover of the air duct at the air inlet, and the fan is used to blow the wind toward the warm air outlet after it is heated by the semiconductor condensing sheet.

[0022] Furthermore, the lower cover of the air duct is provided with a screw column;

[0023] The sub-machine cover is provided with a screw countersunk hole, and the screw countersunk hole is connected to the screw column.

[0024] Furthermore, the air duct structure of the dishwasher further includes an air inlet assembly, and the air inlet assembly includes an air inlet nut and a first sealing ring;

[0025] The air inlet nut is used to pass through the inner tank assembly and be connected to the air inlet;

[0026] The first sealing ring is used to be arranged between the inner tank assembly and the air inlet.

[0027] Furthermore, the air duct structure of the dishwasher further includes an air outlet assembly, and the air outlet assembly includes an air outlet nut and a second sealing ring;

[0028] The air outlet nut is used to pass through the inner tank assembly and be connected to the warm air outlet;

[0029] The second sealing ring is used to be arranged between the inner tank assembly and the warm air outlet.

[0030] Furthermore, the air duct structure of the dishwasher further includes a condensed water outlet assembly, wherein the condensed water outlet assembly includes a condensed water outlet nut and a third sealing ring;

[0031] The condensate outlet nut is used to pass through the inner tank assembly and be connected to the condensate outlet;

[0032] The third sealing ring is used to be arranged between the inner tank assembly and the condensed water outlet.

[0033] The utility model can achieve the following beneficial effects:

[0034] In the first aspect, the utility model provides an air duct structure of a dishwasher, including a shell mechanism, a fan, a semiconductor condensing sheet and a baffle assembly, wherein a accommodating space is provided in the shell mechanism, and the shell mechanism is used to be connected to an external inner tank assembly; the fan and the semiconductor condensing sheet are both arranged in the accommodating space, and the fan is used to blow air to the semiconductor condensing sheet; the semiconductor condensing sheet includes a condensing sheet cold end and a condensing sheet warm end; the baffle assembly is arranged in the accommodating space, and the baffle assembly is arranged between the fan and the semiconductor condensing sheet, and the baffle assembly is used to shield the wind of the fan for the condensing sheet cold end or the condensing sheet warm end, so as to transport the heat medium or the cold medium to the inner tank assembly.

[0035] In the utility model, a accommodating space is provided in the shell mechanism, and this accommodating space includes an air duct for conveying heating air and a path for discharging condensed water. The fan 8 placed in the accommodating space is used for blowing air, and its air outlet faces the semiconductor condenser sheet, and the semiconductor condenser sheet includes a cold end of the condenser sheet and a warm end of the condenser sheet. When in use, the user selects a baffle assembly to block the cold end or the warm end of the condenser sheet according to actual use requirements, so that the wind from the fan blows through the cold end or the warm end of the condenser sheet to achieve cooling or heating.

[0036] Compared with the prior art, the air duct structure of the dishwasher provided by the utility model can realize adjusting the air supply direction of the fan through the baffle assembly, that is, the part of the semiconductor condenser sheet that does not need air supply is blocked by the baffle assembly, so that the wind can pass through the cold end of the condenser sheet or the warm end of the condenser sheet to transmit the refrigerant or the warm medium to the inner tank assembly, so as to realize the function of adjusting the temperature of the inner tank assembly.

[0037] In summary, the utility model at least alleviates the technical problems existing in the prior art that the fan only has the function of heating or condensing, and the gas discharged from the inner tank contains too much moisture. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0039] Figure 1 A schematic diagram of a three-dimensional structure of the dishwasher provided by an embodiment of the utility model, in which the air duct structure is installed on the inner tank assembly from a first perspective;

[0040] Figure 2 A schematic diagram of a three-dimensional structure of the dishwasher provided by an embodiment of the utility model, in which the air duct structure is installed on the inner tank assembly from a second viewing angle;

[0041] Figure 3 An exploded structural diagram of the air duct structure of the dishwasher provided by an embodiment of the utility model;

[0042] Figure 4 A schematic cross-sectional view of the air duct structure of the dishwasher provided by an embodiment of the utility model in a first use state;

[0043] Figure 5 A schematic cross-sectional view of the air duct structure of the dishwasher provided by an embodiment of the utility model in a second use state;

[0044] Figure 6A schematic cross-sectional view of a partial structure of the air duct structure of a dishwasher provided by an embodiment of the utility model;

[0045] Figure 7 A schematic cross-sectional view of a semiconductor condensing sheet portion of an air duct structure of a dishwasher provided by an embodiment of the utility model;

[0046] Figure 8 A schematic structural diagram of a sub-machine cover portion of an air duct structure of a dishwasher provided in an embodiment of the utility model;

[0047] Fig. 9 A schematic structural diagram of an air duct middle support member of an air duct structure of a dishwasher provided in an embodiment of the utility model;

[0048] Fig.10 A schematic structural diagram of an air duct lower cover of an air duct structure of a dishwasher provided in an embodiment of the utility model.

[0049] Icons: 1- duct upper cover; 2- extension cover; 21- screw countersunk hole; 22- buckle; 3- air inlet assembly; 31- air inlet nut; 32- first sealing ring; 4- air outlet assembly; 41- air outlet nut; 42- second sealing ring; 5- condensate outlet assembly; 51- condensate outlet nut; 52- third sealing ring; 6- duct lower cover; 61- air inlet; 62- warm air outlet; 63- condensate outlet; 64- fixing groove; 65- screw column; 7- duct middle support; 71- condensate channel; 72- condensate air outlet; 73- baffle slide; 8- fan; 9- semiconductor condenser; 91- condenser cold end; 92- condenser warm end; 10- baffle; 11- memory metal part. DETAILED DESCRIPTION

[0050] In order to make the purpose, technical scheme and advantages of the embodiments of the present invention clearer, the technical scheme in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings here can be arranged and designed in various different configurations.

[0051] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0052] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0053] In the description of the present utility model, it should be noted that the terms "upper", "lower", "vertical", "horizontal", "inside", "outside", etc. indicate the orientation or position relationship based on the orientation or position relationship shown in the accompanying drawings, or the orientation or position relationship in which the utility model product is usually placed when in use, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0054] In addition, the terms "horizontal", "vertical" and the like do not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0055] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "setting", "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0056] In conjunction with the accompanying drawings, some embodiments of the present invention are described in detail below. In the absence of conflict, the following embodiments and features in the embodiments can be combined with each other.

[0057] Embodiment 1

[0058] This embodiment provides an air duct structure for a dishwasher, referring to Figure 1 , Figure 2 and Figure 7The air duct structure of the dishwasher includes a shell mechanism, a fan 8, a semiconductor condensing sheet 9 and a baffle assembly. A accommodating space is provided in the shell mechanism, and the shell mechanism is used to connect with an external inner tank assembly; the fan 8 and the semiconductor condensing sheet 9 are both arranged in the accommodating space, and the fan 8 is used to blow air to the semiconductor condensing sheet 9; the semiconductor condensing sheet 9 includes a condensing sheet cold end 91 and a condensing sheet warm end 92; the baffle assembly is arranged in the accommodating space, and the baffle assembly is arranged between the fan 8 and the semiconductor condensing sheet 9, and the baffle assembly is used to shield the wind of the fan 8 for the condensing sheet cold end 91 or the condensing sheet warm end 92, so as to transport the heat medium or the cold medium to the inner tank assembly.

[0059] In summary, the embodiments of the utility model at least alleviate the technical problems existing in the prior art that the fan only has the function of heating or condensing, and the gas discharged from the inner tank contains too much moisture.

[0060] In an embodiment of the utility model, an accommodating space is provided in the shell mechanism, and this accommodating space includes an air duct for conveying heating air and a path for discharging condensed water, wherein a fan 8 placed in the accommodating space is used for blowing air, and its air outlet faces a semiconductor condenser sheet 9, and the semiconductor condenser sheet 9 includes a cold end 91 of the condenser sheet and a warm end 92 of the condenser sheet; when in use, the user selects a baffle assembly to block the cold end 91 or the warm end 92 of the condenser sheet according to actual use requirements, so that the wind from the fan 8 blows through the cold end 91 or the warm end 92 of the condenser sheet to achieve cooling or heating.

[0061] Compared with the prior art, the air duct structure of the dishwasher provided in the embodiment of the utility model can realize adjusting the air supply direction of the fan through the baffle assembly, that is, the part of the semiconductor condenser sheet 9 that does not need air supply is blocked by the baffle assembly, so that the wind can pass through the cold end 91 of the condenser sheet or the warm end 92 of the condenser sheet to transmit the refrigerant or warm medium to the inner tank assembly, so as to realize the function of adjusting the temperature of the inner tank assembly.

[0062] In an optional implementation manner of this embodiment, refer to Figure 3 or Fig. 9 The shell structure includes an air duct upper cover 1, an extension cover 2, an air duct lower cover 6 and an air duct middle support 7. The air duct upper cover 1 and the extension cover 2 are both connected to one side of the air duct middle support 7; the side of the air duct middle support 7 facing away from the air duct upper cover 1 is connected to the air duct lower cover 6, and an accommodating space is provided between the air duct middle support 7 and the air duct lower cover 6; the air duct lower cover 6 is used to connect with the liner assembly.

[0063] Specifically: the middle support member 7 of the air duct is arranged in the middle, and one side thereof is connected to the lower cover 6 of the air duct, and the lower cover 6 of the air duct is used to be connected to the outer wall of the inner tank assembly; preferably, an accommodating space is provided between the middle support member 7 of the air duct and the lower cover 6 of the air duct, and this accommodating space is used to accommodate the fan 8 and the semiconductor condensing sheet 9.

[0064] Further, refer to Figure 3 , Figure 4 or Figure 5 The baffle assembly includes a baffle 10 and a memory metal part 11, one end of the memory metal part 11 is connected to the lower cover 6 of the air duct, and the other end is connected to the memory metal part 11; the memory metal part 11 is connected to the middle support part 7 of the air duct, and the memory metal part 11 is used to change the length of the memory metal part 11 to block the wind of the fan 8 for the cold end 91 or the warm end 92 of the condenser sheet.

[0065] Specifically: one end of the memory metal part 11 is connected to the lower cover 6 of the air duct, and the other end is connected to the baffle 10. The baffle 10 is arranged between the lower cover 6 of the air duct and the middle support part 7 of the air duct, and the width of the baffle 10 is consistent with the thickness of the cold end 91 of the condenser plate and the warm end 92 of the condenser plate; preferably, the memory metal part 11 can be a spring. During use, when the temperature of the gas inside the inner tank extracted by the fan 8 is high, the memory metal part 11 is in a compressed state, so that the wind blown by the fan 8 passes through the cold end 91 of the condenser plate, and then condenses the sucked gas; and when the temperature of the gas inside the inner tank extracted by the fan 8 is low, the memory metal part 11 is released from the compressed state, so that the wind blown by the fan 8 passes through the warm end 92 of the condenser plate and returns to the inner tank for drying the tableware.

[0066] In an optional implementation manner of this embodiment, refer to Fig. 9 The middle support member 7 of the air duct is provided with a condensation water channel 71; the lower cover 6 of the air duct is provided with a condensation water outlet 63, which is used to be connected to the inner tank assembly; the condensation water channel 71 is connected to the condensation water outlet 63, and the condensation water channel 71 is used to discharge the condensation water into the inner tank assembly through the condensation water outlet 63.

[0067] Specifically: the middle support member 7 of the air duct is provided with a condensation water channel 71. The wind blown by the fan 8 condenses at the cold end 91 of the condensation plate to produce condensation water. The condensation water flows into the condensation water channel 71 after passing through the inner wall of the middle support member 7 of the air duct, and then enters the inner tank through the condensation water outlet 63.

[0068] Further, refer to Fig. 9 The middle support member 7 of the air duct is also provided with a condensation air outlet 72, which is used to discharge the cold air.

[0069] Specifically: the condensation air outlet 72 is opened on the side wall of the middle support part 7 of the air duct, and the wind blown by the fan 8 is condensed after passing through the cold end 91 of the condensation plate, and the condensed water flows through the inner wall of the middle support part 7 of the air duct and the internal baffle and then flows into the condensation water channel 71, and the cooled wind is discharged from the air duct structure through the condensation air outlet 72.

[0070] In an optional implementation manner of this embodiment, refer to Fig.10The lower cover 6 of the air duct is provided with an air inlet 61 and a warm air outlet 62, a wind duct is formed between the air inlet 61 and the warm air outlet 62, and the wind duct is connected to the semiconductor condensation sheet 9; the fan 8 is connected to the lower cover 6 of the air duct at the air inlet 61, and the fan 8 is used to blow the wind to the warm air outlet 62 after heating it through the semiconductor condensation sheet 9.

[0071] Specifically: an air duct is formed between the air inlet 61 and the warm air outlet 62, the air inlet 61 is connected to the fan 8, and the air duct is connected to the semiconductor condensation sheet 9, that is, the air entering from the air inlet 61 passes through the fan 8, and then passes through the warm end 92 of the semiconductor condensation sheet 9. The heated warm air enters the inner tank from the warm air outlet 62 to dry the tableware in the inner tank.

[0072] In an optional implementation manner of this embodiment, refer to Figure 8 and Fig.10 The lower cover 6 of the air duct is provided with a screw column 65; the extension cover 2 is provided with a screw countersunk hole 21, and the screw countersunk hole 21 is connected to the screw column 65.

[0073] Specifically, the detachable connection between the sub-machine cover 2 and the lower cover 6 of the air duct is achieved through the detachable connection between the screw column 65 and the screw countersunk hole 21 , and the grading cover 2 is used to cover the fan 8 .

[0074] Preferably, the sub-machine cover 2 is also provided with a buckle 22, and the middle support piece 7 of the air duct is provided with a snap-fit ​​notch, and the buckle 22 is used to connect with the snap-fit ​​notch to connect the sub-machine cover 2 with the middle support piece 7 of the air duct.

[0075] In an optional implementation manner of this embodiment, refer to Figure 3 or Figure 6 The air duct structure of the dishwasher also includes an air inlet assembly 3, which includes an air inlet nut 31 and a first sealing ring 32; the air inlet nut 31 is used to pass through the inner tank assembly and connect with the air inlet 61; the first sealing ring 32 is used to be arranged between the inner tank assembly and the air inlet 61.

[0076] Specifically: a thread is provided on the inner wall of the air inlet 61, and the air inlet nut 31 passes through the inner liner wall and is threadedly connected to the air inlet 61, so that the air inlet 61 is fixed relative to the inner liner, and a first sealing ring 32 is provided between the air inlet 61 and the outer wall of the inner liner. The first sealing ring 32 is used to seal the joint between the air inlet 61 and the outer wall of the inner liner.

[0077] In an optional implementation manner of this embodiment, refer to Figure 3 The air duct structure of the dishwasher also includes an air outlet assembly 4, which includes an air outlet nut 41 and a second sealing ring 42; the air outlet nut 41 is used to pass through the inner tank assembly and connect to the warm air outlet 62; the second sealing ring 42 is used to be arranged between the inner tank assembly and the warm air outlet 62.

[0078] Specifically: a thread is provided on the inner wall of the warm air outlet 62, and the air outlet nut 41 passes through the inner tank wall and is threadedly connected to the warm air outlet 62, so that the warm air outlet 62 is fixed relative to the inner tank, and a second sealing ring 42 is provided between the warm air outlet 62 and the outer wall of the inner tank. The second sealing ring 42 is used to seal the joint between the warm air outlet 62 and the outer wall of the inner tank.

[0079] In an optional implementation manner of this embodiment, refer to Figure 3 The air duct structure of the dishwasher also includes a condensate outlet assembly 5, which includes a condensate outlet nut 51 and a third sealing ring 52; the condensate outlet nut 51 is used to pass through the inner tank assembly and connect to the condensate outlet 63; the third sealing ring 52 is used to be arranged between the inner tank assembly and the condensate outlet 63.

[0080] Specifically: a thread is provided on the inner wall of the condensate outlet 63, and the condensate outlet nut 51 passes through the inner tank wall and is threadedly connected to the condensate outlet 63, so that the condensate outlet 63 is fixed relative to the inner tank, and a condensate outlet 63 is provided between the condensate outlet 63 and the outer wall of the inner tank, and the condensate outlet 63 is used to seal the joint between the condensate outlet 63 and the outer wall of the inner tank.

[0081] Preferably, a fixing groove 64 is also provided on the inner wall of the lower cover 6 of the air duct, and the fixing groove is connected to the end of the memory metal part 11 away from the baffle 10; and a baffle slide 73 is provided in the middle support part 7 of the air duct, and a matching slide groove is opened on the inner wall of the lower cover 6 of the air duct, and the baffle 10 is slidably arranged in this baffle slide 73 and the slide groove, so that the baffle 10 can slide in the baffle slide 73 and the slide groove when the memory metal part 11 is compressed or rebounded.

[0082] Preferably, a lower baffle plate is provided on the inner wall of the lower cover 6 of the air duct, which is at a certain angle to the horizontal direction, so that the condensed water in the condensation channel and the hot air channel can flow into the condensed water outlet 63 and be discharged into the inner tank.

[0083] Finally, it should be noted that: the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments, and the same or similar parts between the embodiments can be referenced to each other; the above embodiments in this specification are only used to illustrate the technical solution of the utility model, rather than to limit it; although the utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that: it is still possible to modify the technical solutions recorded in the aforementioned embodiments, or to replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. An air duct structure of a dishwasher, characterized in that: It comprises a shell structure, a fan (8), a semiconductor condensing sheet (9) and a baffle assembly, wherein a housing space is provided in the shell structure, and the shell structure is used to be connected to an external inner tank assembly; The fan (8) and the semiconductor condensing sheet (9) are both arranged in the accommodating space, and the fan (8) is used to blow air toward the semiconductor condensing sheet (9); The semiconductor condenser sheet (9) comprises a condenser sheet cold end (91) and a condenser sheet warm end (92); The baffle assembly is arranged in the accommodating space, and the baffle assembly is arranged between the fan (8) and the semiconductor condenser (9), and the baffle assembly is used to shield the wind of the fan (8) for the cold end (91) of the condenser or the warm end (92) of the condenser, so as to transport the heat medium or the cold medium to the inner tank assembly.

2. The air duct structure of the dishwasher according to claim 1, characterized in that: The housing structure comprises an air duct upper cover (1), an extension cover (2), an air duct lower cover (6) and an air duct middle support member (7), wherein the air duct upper cover (1) and the extension cover (2) are both connected to one side of the air duct middle support member (7); The side of the air duct middle support member (7) facing away from the air duct upper cover (1) is connected to the air duct lower cover (6), and the accommodating space is provided between the air duct middle support member (7) and the air duct lower cover (6); The air duct lower cover (6) is used to be connected to the inner tank assembly.

3. The air duct structure of the dishwasher according to claim 2, characterized in that: The baffle assembly comprises a baffle (10) and a memory metal piece (11), one end of the memory metal piece (11) is connected to the air duct lower cover (6), and the other end is connected to the memory metal piece (11); The memory metal part (11) is connected to the middle support part (7) of the air duct, and the memory metal part (11) is used to shield the wind of the fan (8) for the cold end (91) of the condensing plate or the warm end (92) of the condensing plate by changing the length of the memory metal part (11).

4. The air duct structure of the dishwasher according to claim 2, characterized in that: The air duct middle support member (7) is provided with a condensation water channel (71); The air duct lower cover (6) is provided with a condensed water outlet (63), and the condensed water outlet (63) is used to be connected to the inner tank assembly; The condensed water channel (71) is connected to the condensed water outlet (63), and the condensed water channel (71) is used to discharge the condensed water into the inner tank assembly through the condensed water outlet (63).

5. The air duct structure of the dishwasher according to claim 4, characterized in that: The middle support member (7) of the air duct is also provided with a condensation air outlet (72), and the condensation air outlet (72) is used to discharge cold air.

6. The air duct structure of the dishwasher according to claim 2, characterized in that: The air duct lower cover (6) is provided with an air inlet (61) and a warm air outlet (62), an air duct is formed between the air inlet (61) and the warm air outlet (62), and the air duct is connected to the semiconductor condensing sheet (9); The fan (8) is connected to the lower cover (6) of the air duct at the air inlet (61), and the fan (8) is used to heat the wind through the semiconductor condensing sheet (9) and then blow it toward the warm air outlet (62).

7. The air duct structure of the dishwasher according to claim 2, characterized in that: The air duct lower cover (6) is provided with a screw column (65); The sub-machine cover (2) is provided with a screw countersunk hole (21), and the screw countersunk hole (21) is connected to the screw column (65).

8. The air duct structure of the dishwasher according to claim 6, characterized in that: It also includes an air inlet assembly (3), wherein the air inlet assembly (3) includes an air inlet nut (31) and a first sealing ring (32); The air inlet nut (31) is used to pass through the inner tank assembly and be connected to the air inlet (61); The first sealing ring (32) is used to be arranged between the inner tank assembly and the air inlet (61).

9. The air duct structure of the dishwasher according to claim 6, characterized in that: It also includes an air outlet assembly (4), wherein the air outlet assembly (4) includes an air outlet nut (41) and a second sealing ring (42); The air outlet nut (41) is used to pass through the inner tank assembly and be connected to the warm air outlet (62); The second sealing ring (42) is used to be arranged between the inner tank assembly and the warm air outlet (62).

10. The air duct structure of the dishwasher according to claim 4, characterized in that: It also includes a condensate outlet assembly (5), wherein the condensate outlet assembly (5) includes a condensate outlet nut (51) and a third sealing ring (52); The condensate outlet nut (51) is used to pass through the inner tank assembly and be connected to the condensate outlet (63); The third sealing ring (52) is used to be arranged between the inner tank assembly and the condensed water outlet (63).

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