Washing and drying integrated machine

Abstract

The utility model relates to clothes treatment technical field, concretely provides a washing and drying integrated machine, aims at solving the problem that the drying time of existing washing and drying integrated machine is longer, for this, the utility model's washing and drying integrated machine includes outer tube, communicates drying air duct with outer tube, installs the thread scrap filter device in drying air duct, air inlet pipe and exhaust pipe, the fresh air import on drying air duct communicates with the one end of air inlet pipe, the fresh air export on outer tube communicates with the one end of exhaust pipe, the other end of exhaust pipe communicates with the drain pipe of washing and drying integrated machine, and directly discharges through the drain pipe, in the process of executing drying mode, the fresh air of outside can enter into the inner tube, and can discharge a part of moisture flow to outside, is very favorable to reduce drying time, and the moisture flow is directly discharged to the floor drain, avoids gathering in the vicinity of washing and drying integrated machine, is more favorable to reduce drying time.

Description

Technical Field

[0001] This utility model relates to the field of clothing processing technology, specifically providing a washer-dryer combo machine. Background Technology

[0002] A washer-dryer combo is a device that can both wash and dry clothes.

[0003] Existing washer-dryer combos mainly consist of an inner drum, an outer drum, and a drying unit connected to the outer drum. The drying unit is used to deliver hot air to both the inner and outer drums to dry the clothes in the inner drum. However, existing washer-dryer combos generally require a relatively long drying time, which affects the user experience.

[0004] Therefore, a new technical solution is needed in this field to solve the above problems. Utility Model Content

[0005] The present invention aims to solve the above-mentioned technical problems, namely, to solve the problem that the drying time of existing washer-dryer combos is relatively long.

[0006] In a first aspect, the present invention provides a washer-dryer combo machine, the washer-dryer combo machine including a housing and an inner cylinder, an outer cylinder, a drying air duct, a lint filter, an air inlet pipe and an air outlet pipe installed in the housing. The inner cylinder is rotatably installed inside the outer cylinder. The drying air duct is connected to the outer cylinder. The lint filter is installed inside the drying air duct. A fresh air inlet is provided on the drying air duct. The fresh air inlet is connected to one end of the air inlet pipe. A fresh air outlet is provided on the outer cylinder. The fresh air outlet is connected to one end of the air outlet pipe. The other end of the air outlet pipe is connected to the drain pipe of the washer-dryer combo machine and discharged directly through the drain pipe.

[0007] In the preferred embodiment of the aforementioned washer-dryer, a one-way valve is provided on the exhaust pipe.

[0008] In the preferred embodiment of the above-mentioned washer-dryer, the lint filtering device includes a housing and a first filter screen installed on the housing. The first side of the housing is provided with an air inlet, and the second side of the housing is provided with an air outlet. One of the first side and the second side is a side in the length direction of the housing, and the other of the first side and the second side is a side in the width direction of the housing. The first filter screen is installed at the air outlet.

[0009] In the preferred embodiment of the above-mentioned washer-dryer, the lint filtering device further includes a second filter screen, which is located between the air inlet and the first filter screen.

[0010] In the preferred embodiment of the washer-dryer described above, the second filter extends from the connection between the first side and the second side toward the third side of the outer casing, and the third side is opposite to the second side.

[0011] In the preferred embodiment of the above-mentioned washer-dryer, the lint filter further includes a mounting bracket detachably installed inside the housing, the mounting bracket being able to be pulled out from the air inlet, and the second filter screen being disposed on the mounting bracket.

[0012] In the preferred embodiment of the above-mentioned washer-dryer, the mounting frame includes a first frame, a second frame, and a connecting plate. The first end of the first frame is connected to the first end of the second frame, and the second end of the first frame and the second end of the second frame are connected by the connecting plate. The first frame is located at the air inlet, the second filter is disposed on the second frame, and the connecting plate is disposed opposite to the second side.

[0013] In the preferred embodiment of the washer-dryer described above, the second filter screen is arc-shaped and protrudes towards the first filter screen.

[0014] In the preferred embodiment of the washer-dryer described above, the fresh air inlet is located upstream or downstream of the lint filter; and / or the fresh air outlet is located on the rear wall of the outer cylinder and near the top of the outer cylinder; and / or the washer-dryer also includes an electric valve installed on the air inlet pipe, the electric valve being used to control the opening and closing of the air inlet pipe.

[0015] In the preferred embodiment of the above-mentioned washer-dryer, the drying air duct includes a first air duct and a second air duct that are connected to each other. Both the first air duct and the second air duct are located above the outer cylinder. The first air duct extends in the front-to-back direction, and the second air duct extends in the left-to-right direction and is close to the front end of the outer cylinder. The lint filter is installed in the first air duct, and the fresh air inlet is located in the first air duct. The washer-dryer also includes a heat pump module. The evaporator and condenser of the heat pump module are installed in the second air duct, and the evaporator is located upstream of the condenser.

[0016] By adopting the above technical solution, this utility model connects the air inlet pipe and the air outlet pipe to the drying air duct and the outer cylinder respectively. During the drying mode, fresh air from outside can enter the inner cylinder. The fresh air is relatively dry, and some of the humid air can be discharged to the outside. This setting is very beneficial to reducing the humidity of the airflow, thereby reducing the drying time of the washer-dryer. In addition, the humid airflow is guided to the drain pipe through the air outlet pipe and discharged directly into the floor drain, avoiding accumulation near the washer-dryer and further reducing the drying time of the washer-dryer.

[0017] Furthermore, installing a one-way valve on the exhaust pipe can prevent odors from the floor drain from entering the inner and outer cylinders.

[0018] Furthermore, by setting air inlets and outlets on the sides of the casing of the wire lint filter device along its length and width respectively, the flow direction of the airflow entering the casing can be changed, making it easier to arrange the wire lint filter device.

[0019] Furthermore, by configuring the mounting bracket to be able to be pulled out from the air inlet of the housing, the lint filtered by the second filter can be scraped off through the mounting bracket when it is removed.

[0020] Furthermore, by enclosing the first frame, the second frame, and the connecting plate of the mounting bracket, the mounting bracket can achieve a better effect in scraping off wire debris when disassembling the mounting bracket.

[0021] Furthermore, by setting the second filter screen between the air inlet and the first filter screen to be arc-shaped, it is beneficial to increase the filtration area of ​​the second filter screen, thereby improving the filtration effect of the lint filter device.

[0022] Furthermore, by placing the fresh air inlet upstream of the lint filter, the fresh air entering the drying duct can also be filtered by the lint filter.

[0023] Furthermore, by placing the fresh air inlet downstream of the wire mesh filter, the air resistance is reduced, which helps to draw in more fresh air.

[0024] Furthermore, by installing an electric valve on the air inlet duct, the user can choose to introduce fresh air or not when executing the drying mode, making the control of the washer-dryer more flexible and improving the user experience. Attached Figure Description

[0025] The preferred embodiments of this utility model are described below with reference to the accompanying drawings, in which:

[0026] Figure 1This is a schematic diagram of the structure of the washer-dryer combo of this utility model. Figure 1 ;

[0027] Figure 2 This is a schematic diagram of the outer cylinder and drying device of this utility model;

[0028] Figure 3 This is a schematic diagram of the structure of the washer-dryer combo of this utility model. Figure 2 ;

[0029] Figure 4 This is a schematic diagram of the outer drum of the washer-dryer combo of this utility model;

[0030] Figure 5 This is a schematic diagram of the drying device of the washer-dryer combo of this utility model. Figure 1 ;

[0031] Figure 6 This is a schematic diagram of the drying device of the washer-dryer combo of this utility model. Figure 2 ;

[0032] Figure 7 This is a schematic diagram of the structure of the drying device, the lint filter, the water spray pipe, and the second rinsing device of this utility model.

[0033] Figure 8 yes Figure 7 Enlarged view of point A in the middle;

[0034] Figure 9 This is a schematic diagram of the drying air duct and lint filter device of this utility model;

[0035] Figure 10 This is a schematic diagram of the lint filter device of this utility model;

[0036] Figure 11 This is a schematic diagram of the outer shell of the lint filter device of this utility model;

[0037] Figure 12 This is a schematic diagram of the mounting frame of the lint filter device of this utility model in one embodiment;

[0038] Figure 13 This is a schematic diagram of the scraping component and mounting frame of the lint filter device of this utility model, according to Embodiment 2.

[0039] List of reference numerals in the attached diagram:

[0040] 1. Housing; 2. Outer cylinder; 21. Air outlet; 22. Window gasket; 23. Return air outlet; 31. Drying air duct; 311. First air duct; 312. Second air duct; 313. Top cover; 3111. Air inlet port; 3112. Plug-in interface; 3113. Blocking and positioning structure; 3114. Fresh air inlet; 31131. First inclined surface; 3121. Air outlet port; 3122. Inspection port; 3123. Drain outlet; 32. Fan; 33. Evaporator; 34. Corrugated pipe; 35. Rubber hose; 4. Wire lint filter; 41. Outer shell; 42. Mounting bracket; 43. Handle; 44. Scraping component; 45. First ring 46. ​​Second annular sealing component; 411. Air inlet; 412. Air outlet; 413. Cleaning window; 414. Cover plate; 415. First annular groove; 416. First snap-fit ​​structure; 421. First frame; 422. Second frame; 423. Connecting plate; 4211. Second annular groove; 4212. Second inclined surface; 4213. Second snap-fit ​​structure; 441. Annular scraper; 442. Sealing plate; 51. Air inlet pipe; 52. Air outlet pipe; 53. Electric valve; 54. One-way valve; 6. Condensate pipe; 7. Drain pipe; 8. Water spray pipe; 9. Second flushing device; 91. Water pipe joint. Detailed Implementation

[0041] Preferred embodiments of the present invention will now be described with reference to the accompanying drawings. Those skilled in the art should understand that these embodiments are merely illustrative of the technical principles of the present invention and are not intended to limit the scope of protection of the present invention.

[0042] It should be noted that in the description of this utility model, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0043] Furthermore, it should be noted that in the description of this utility model, unless otherwise explicitly specified and limited, the terms "set," "connect," and "install" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0044] Specifically, this utility model provides a washer-dryer combo machine, such as Figure 1 As shown, the washer-dryer combo of this utility model includes a housing 1 and a drying drum and a drying device installed inside the housing 1. The drying device can deliver hot air into the drying drum to dry the clothes inside the drying drum.

[0045] The drying drum includes an outer drum 2 and an inner drum that is rotatably installed in the outer drum 2. The drying device is directly connected to the outer drum 2. The inner drum is used to hold clothes. The inner drum wall is provided with multiple through holes. When the drying mode is executed, the through holes can be used for ventilation. When the washing mode is executed, the through holes can be used for water flow.

[0046] Preferably, such as Figures 1 to 9 As shown, the drying device of this utility model includes a drying air duct 31, a fan 32, and a heat pump module. The air inlet 3111 of the drying air duct 31 is connected to one end of the drying cylinder, the air outlet 3121 of the drying air duct 31 is connected to the air intake of the fan 32, and the air exhaust port of the fan 32 is connected to the other end of the drying cylinder. The evaporator 33 and the condenser of the heat pump module are installed in the drying air duct 31, and the evaporator 33 is located upstream of the condenser.

[0047] The heat pump module also includes a compressor, refrigerant piping connecting the evaporator 33 and the condenser to the compressor, and a throttling element installed on the refrigerant piping. The compressor is located outside the drying duct 31.

[0048] For example, the drying air duct 31 is located above the outer cylinder 2. An air outlet 21 is provided on the cylinder wall of the outer cylinder 2. The air outlet 21 is close to the rear end of the outer cylinder 2. A window gasket 22 is installed at the cylinder opening of the outer cylinder 2. A return air port 23 is provided on the window gasket 22. The air inlet 3111 of the drying air duct 31 is connected to the air outlet 21 through a corrugated pipe 34. The exhaust port of the fan 32 is connected to the return air port 23 through a rubber pipe 35.

[0049] When the drying mode is executed, the fan 32 is started, and the humid air in the drying cylinder is discharged through the air outlet 21 and enters the drying air duct 31. After being condensed and dehumidified by the evaporator 33, it is heated by the condenser and then flows back to the drying cylinder from the return air outlet 23 to complete one cycle.

[0050] It should be noted that this utility model is not limited to placing the drying air duct 31 above the drying cylinder. For example, the drying air duct 31 can also be placed below or behind the outer cylinder 2. Such adjustments and changes to the specific installation position of the drying air duct 31 do not deviate from the principle and scope of this utility model. Of course, this utility model preferably places the drying air duct 31 above the drying cylinder, which is beneficial for making full use of the space above the drying cylinder and optimizing the layout.

[0051] Furthermore, it should be noted that those skilled in the art can also interchange the positions of the air outlet 21 and the return air outlet 23, so that the front end of the drying cylinder is the outlet and the rear end is the inlet. In addition, the air outlet 21 can be set on the rear wall of the outer cylinder 2, etc. Such flexible adjustments and changes do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model.

[0052] Furthermore, it should be noted that those skilled in the art can also connect the air intake of the fan 32 to the air outlet 21 on the drying cylinder, and then connect the exhaust port of the fan 32 to the air inlet 3111 of the drying duct 31. Alternatively, the drying duct 31 can be set into two sections, with the fan 32 installed between the two sections. Or, the fan 32 can be directly installed inside the drying duct 31, etc. Such adjustments and changes to the installation position of the fan 32 do not deviate from the principle and scope of this utility model and should all be limited to the protection scope of this utility model.

[0053] Furthermore, it should be noted that those skilled in the art can also omit the heat pump module in practical applications and use other types of dehumidifying and heating components to dehumidify and heat the airflow in the drying duct 31. Such flexible adjustments and changes do not deviate from the principles and scope of this utility model and should be limited to the protection scope of this utility model.

[0054] Preferably, such as Figures 1 to 7 As shown, the washer-dryer of this utility model also includes a lint filter 4 installed in the housing 1. The lint filter 4 is installed in the drying air duct 31 and is located upstream of the evaporator 33.

[0055] The lint filter 4 is used to filter the airflow entering the drying duct 31. When the airflow in the drying duct 31 flows through the lint filter 4, the lint and other impurities carried by the airflow are intercepted by the lint filter 4, and the filtered lint is stored in the lint filter 4.

[0056] Preferably, such as Figures 1 to 7 As shown, the lint filter 4 of this utility model is detachably installed in the drying air duct 31. The drying air duct 31 is provided with a plug interface 3112, and the lint filter 4 is inserted into the drying air duct 31 through the plug interface 3112.

[0057] When it is necessary to clean the lint inside the lint filter 4, the lint filter 4 can be removed from the drying air duct 31. A pressure sensor can be installed upstream and downstream of the lint filter 4. The pressure difference between the two sensors determines whether the lint filter 4 needs cleaning. When cleaning is required, a prompt message can be sent to the user to remind them to clean the lint filter 4.

[0058] It should be noted that, in practical applications, those skilled in the art can place the connector 3112 on the side of the drying duct 31, or on the top surface of the drying duct 31, etc. Such adjustments and changes to the specific location of the connector 3112 do not deviate from the principle and scope of this utility model, and should all be limited to the protection scope of this utility model.

[0059] Preferably, such as Figure 1 As shown, the drying air duct 31 is provided with an interface 3112 on the side facing the front panel of the housing 1. The front panel is provided with a disassembly port opposite to the interface 3112, and the lint filter device 4 can be pulled out from the disassembly port.

[0060] When it is necessary to clean the lint filter device 4, the user can pull out the lint filter device 4 from the disassembly port on the front panel of the housing 1 for easy operation. After cleaning the lint filter device 4, the user can then insert the lint filter device 4 back in through the disassembly port.

[0061] Preferably, such as Figures 1 to 9 As shown, the drying air duct 31 of this utility model includes a first air duct 311 and a second air duct 312 that are connected to each other. The first air duct 311 extends in the front-to-back direction, and the second air duct 312 extends in the left-to-right direction and is close to the front end of the drying cylinder. The air inlet port 3111 of the drying air duct 31 is located in the first air duct 311, and the air outlet port 3121 of the drying air duct 31 is located in the second air duct 312. The lint filter device 4 is installed in the first air duct 311, and the evaporator 33 and condenser of the drying module are installed in the second air duct 312.

[0062] For example, both the first air duct 311 and the second air duct 312 are located above the outer cylinder 2. The first air duct 311 is located at the upper left of the outer cylinder 2 and extends from the rear end of the outer cylinder 2 to the front end. An air inlet port 3111 is provided on the bottom wall at the rear end of the first air duct 311. An air outlet 21 on the outer cylinder 2 is located directly below the air inlet port 3111. The air outlet 21 is connected to the upper air inlet port 3111 through a corrugated pipe 34. An insertion interface 3112 is provided at the front end of the first air duct 311. The lint filter 4 is inserted into the first air duct 311 from the front end of the first air duct 311. The left end of the second air duct 312 is connected to the first air duct 311. An air outlet port 3121 is provided at the right end of the second air duct 312. A fan 32 is located at the upper right of the outer cylinder 2. The air inlet of the fan 32 is connected to the air outlet port 3121 on the second air duct 312.

[0063] It should be noted that, in practical applications, those skilled in the art may also place the first air duct 311 on the upper right of the drying cylinder, and correspondingly place the fan 32 on the upper left of the drying cylinder. Such flexible adjustments and changes do not deviate from the principle and scope of this utility model, and should all be limited to the protection scope of this utility model.

[0064] Of course, in this utility model, the first air duct 311 is preferably located at the upper left of the outer cylinder 2. A detergent dispensing device is generally also provided at the upper left corner. In this utility model, the first air duct 311 is preferably located directly above the detergent dispensing device.

[0065] Preferably, such as Figure 3 , Figure 7 and Figure 8 As shown, the washer-dryer of this utility model includes an air inlet pipe 51 and an air outlet pipe 52. A fresh air inlet 3114 is provided on the drying air duct 31, and the fresh air inlet 3114 is connected to one end of the air inlet pipe 51. A fresh air outlet is provided on the outer cylinder 2, and the fresh air outlet is connected to one end of the air outlet pipe 52. The other end of the air outlet pipe 52 is connected to the drain pipe 7 of the washer-dryer and discharged through the drain pipe 7.

[0066] During the drying process, fresh air from outside can be drawn into the drying duct 31 through the air inlet pipe 51, and then enter the inner and outer cylinders 2 along the drying duct 31. Some of the humid air in the inner cylinder can be discharged into the drain pipe 7 through the exhaust pipe 52, and then discharged to the floor drain through the drain pipe 7. By introducing fresh air, the drying efficiency can be improved.

[0067] Preferably, such as Figures 1 to 4 , Figure 7 and Figure 8 As shown, the fresh air inlet 3114 is located upstream of the lint filter device 4.

[0068] For example, the fresh air inlet 3114 is located in the first air duct 311, preferably at the rear end of the first air duct 311. An air inlet is provided on the back plate of the housing 1. The other end of the air inlet pipe 51 is connected to the air inlet on the back plate. The fresh air outlet is located on the rear wall of the outer cylinder 2. The exhaust pipe 52 is located behind the outer cylinder 2.

[0069] It should be noted that, in practical applications, those skilled in the art may also position the fresh air inlet downstream of the online dust filter 4, for example, between the online dust filter 4 and the evaporator 33.

[0070] Furthermore, it should be noted that, in practical applications, those skilled in the art can also place the air inlet on the top or side plate of the housing 1, or they can omit the air inlet from the housing 1, placing the other end of the air inlet pipe 51 between the drying cylinder and the housing 1, etc. Such flexible adjustments and changes do not deviate from the principles and scope of this utility model and should all be limited to the protection scope of this utility model. Of course, this utility model preferably places the air inlet on the back plate of the housing 1.

[0071] Furthermore, it should be noted that the fresh air outlet is not limited to being located on the rear wall of the outer cylinder 2. For example, it can also be located on the top or side of the outer cylinder 2. Such adjustments and changes to the specific location of the fresh air outlet do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model. Of course, this utility model preferably places the fresh air outlet on the rear wall of the outer cylinder 2 and near the top of the outer cylinder 2.

[0072] Preferably, such as Figure 3 As shown, the washer-dryer of this utility model also includes an electric valve 53 installed on the air inlet pipe 51, which is used to control the opening and closing of the air inlet pipe 51.

[0073] The electric valve 53 is connected to the controller of the washer-dryer combo. During the drying mode, if fresh air is introduced, the electric valve 53 will be opened; if fresh air is not introduced, the electric valve 53 will remain closed.

[0074] Preferably, such as Figure 3 As shown, the washer-dryer of this utility model is also equipped with a one-way valve 54 on the exhaust pipe 52.

[0075] By installing a one-way valve 54 on the exhaust pipe 52, it is possible to prevent odors or sewage from the floor drain from flowing back into the outer cylinder 2 along the exhaust pipe 52.

[0076] Preferably, such as Figure 3 , Figure 7 and Figure 9 As shown, the washer-dryer of this utility model also includes a condensate pipe 6, and the drying air duct 31 is provided with a drain outlet 3123 at a position corresponding to the evaporator 33. The drain outlet 3123 is connected to the drain pipe 7 of the washer-dryer through the condensate pipe 6.

[0077] For example, the drain outlet 3123 is provided on the second air duct 312 and located on the bottom wall of the second air duct 312. When the humid air flows through the evaporator 33, the moisture carried by the humid air condenses into condensate on the surface of the evaporator 33. The condensate drips onto the bottom wall of the second air duct 312, enters the condensate pipe 6 along the drain outlet 3123, enters the drain pipe 7 through the condensate pipe 6, and is discharged by drainage.

[0078] Preferably, such as Figure 5 and Figure 6 As shown, the drying air duct 31 of this utility model is provided with an inspection port 3122 at a position corresponding to the evaporator 33 and the condenser. The drying device also includes an upper cover 313 for sealing the inspection port 3122.

[0079] For example, the access port 3122 is provided on the second air duct 312 and located at the top of the second air duct 312. The evaporator 33 and the condenser are located below the access port 3122. When the evaporator 33 or the condenser needs to be repaired, the top cover 313 is opened to expose the evaporator 33 and the condenser for easy repair. After the repair is completed, the access port 3122 is closed again through the top cover 313.

[0080] It should be noted that the inspection port 3122 is not limited to being located at the top of the drying duct 31. For example, it can also be located on the side of the drying duct 31. Such adjustments and changes to the specific location of the inspection port 3122 do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model. Of course, this utility model preferably places the inspection port 3122 at the top of the drying duct 31.

[0081] Furthermore, it should be noted that, in practical applications, those skilled in the art may pivotally connect the upper cover 313 to the drying duct 31, or use fasteners such as screws to fix the upper cover 313 to the drying duct 31, etc. Such adjustments and changes to the specific connection method between the upper cover 313 and the drying duct 31 do not deviate from the principle and scope of this utility model, and should all be limited to the protection scope of this utility model.

[0082] Preferably, the top plate of the housing 1 has an opening at a position corresponding to the inspection port 3122, and the housing 1 also includes a top cover to close the opening.

[0083] By setting an opening on the top plate of the housing 1, when the evaporator 33 or condenser needs to be repaired, it is not necessary to remove the entire top plate. Simply open the top cover and then open the top cover 313 on the drying air duct 31 through the opening on the top plate, making the operation more convenient.

[0084] The opening on the top plate is larger than the inspection port 3122 on the drying air duct 31, making it easier to carry out maintenance work.

[0085] Preferably, such as Figures 5 to 7 As shown, the washer-dryer combo of this utility model also includes a first rinsing device, which is located at the corner of the drying air duct 31 near the air inlet 3111. The first rinsing device is used to rinse the inner wall of the drying air duct 31 at the corner.

[0086] After the airflow in the drying cylinder is discharged from the air outlet 21, it first flows upward and then turns to flow horizontally after impacting the top wall of the drying air duct 31. The corner refers to the position where the airflow changes from vertical to horizontal. Thread debris tends to accumulate at the corner of the drying air duct 31. By setting up a first flushing device to flush the inner wall of the drying air duct 31 at the corner, the thread debris at the corner is washed away, which helps to ensure smooth airflow and thus improves drying efficiency.

[0087] For example, the first flushing device is connected to the first air duct 311 and is used to flush the inner wall of the first air duct 311 at the corner.

[0088] It should be noted that this utility model does not limit the specific structural form of the first rinsing device. For example, those skilled in the art can set the first rinsing device as a water spray pipe, or set the first rinsing device as a water spray channel formed on the drying air duct, etc. Such adjustments and changes to the specific structural form of the first rinsing device do not deviate from the principle and scope of this utility model, and should all be limited to the protection scope of this utility model.

[0089] Preferably, such as Figures 5 to 7 As shown, the first rinsing device includes a water spray pipe 8, which is inserted into the drying air duct 31. The water spray pipe 8 is provided with a water spray nozzle, which faces the inner wall of the drying air duct 31.

[0090] For example, a portion of the water spray pipe 8 is inserted into the first air duct 311. The portion of the water spray pipe 8 inserted into the first air duct 311 is located above the air inlet port 3111. The air inlet port 3111 is located on the bottom wall of the first air duct 311. The end of the water spray pipe 8 located outside the first air duct 311 is connected to a water source (such as a faucet) through a water supply pipe. A solenoid valve is installed on the water supply pipe. When it is necessary to rinse the inner wall of the first air duct 311 at the corner, the solenoid valve is opened to supply water to the water spray pipe 8. Water is sprayed onto the inner wall of the first air duct 311 through the spray nozzle. Water and lint flow into the outer cylinder 2 from the air inlet port 3111 of the first air duct 311 and are finally discharged through the drain pipe 7.

[0091] Preferably, such as Figures 5 to 7 As shown, the washer-dryer of this invention also includes a second rinsing device 9 installed in the second air duct 312, which is used to rinse the evaporator 33.

[0092] Wire debris can easily accumulate on the evaporator 33. By setting up a second flushing device 9 to flush the evaporator 33, it is beneficial to ensure the heat exchange efficiency between the airflow and the evaporator 33, thereby improving the efficiency of condensation and dehumidification, and thus improving the drying efficiency.

[0093] For example, the second flushing device 9 includes a strip-shaped housing located above the evaporator 33 and extending in the front-to-back direction. The bottom wall of the housing is provided with multiple water spray holes, and the top of the housing is open. The top of the housing is sealed to the inner top wall of the second air duct 312. The second air duct 312 is provided with a water inlet at a position corresponding to the housing. A water pipe connector 91 is installed on the water inlet. The water pipe connector 91 is connected to a water source (such as a faucet) through a water supply pipe. A solenoid valve is provided on the water supply pipe. When it is necessary to flush the evaporator 33, the solenoid valve is opened to supply water to the second flushing device 9. Water is sprayed onto the evaporator 33 through the multiple water spray holes on the second flushing device 9. Water and lint flow into the condensate pipe 6 through the drain outlet 3123 of the second air duct 312, then into the drain pipe 7 through the condensate pipe 6, and finally discharged through the drain pipe 7.

[0094] It should be noted that the second flushing device 9 is not limited to the structure of the housing described above. For example, the second flushing device 9 can also be configured as a flushing water pipe or a flushing channel formed on the second air duct 312, etc. Such adjustments and changes to the specific structural form of the second flushing device 9 do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model.

[0095] Preferably, such as Figures 9 to 11 As shown, the lint filter device 4 of this utility model includes a housing 41 and a first filter screen installed on the housing 41. The first side of the housing 41 is provided with an air inlet 411, and the second side of the housing 41 is provided with an air outlet 412. One of the first side and the second side is the side of the housing 41 in the length direction, and the other of the first side and the second side is the side of the housing 41 in the width direction. The first filter screen is installed at the air outlet 412.

[0096] For example, the housing 41 of the lint filter device 4 is a rectangular housing 41 that extends in the front-to-back direction. The first side is the rear end face of the housing 41 (i.e., the side of the housing 41 in the length direction), and the second side is the right side face of the housing 41 (i.e., the side of the housing 41 in the width direction). The second side faces the second air duct 312. The airflow entering the first air duct 311 first enters the housing 41 through the air inlet 411 at the rear end of the housing 41, and then exits through the air outlet 412 on the right side of the housing 41 and enters the second air duct 312. After being dehumidified by the evaporator 33 and heated by the condenser in the second air duct 312, it is discharged from the air outlet 3121 at the right end of the second air duct 312 and enters the fan 32. Finally, it is blown into the drying drum by the fan 32.

[0097] Preferably, the lint filter device 4 of this utility model further includes a second filter screen installed inside the housing 41, the second filter screen being located between the air inlet 411 and the first filter screen.

[0098] Installing a second filter between the air inlet 411 and the first filter screen improves the filtration effect of the lint filter device 4.

[0099] It should be noted that, in practical applications, those skilled in the art can make the mesh count of the first filter screen greater than that of the second filter screen, or they can make the mesh count of the first filter screen equal to that of the second filter screen.

[0100] Ideally, the mesh size of the first filter screen should be larger than that of the second filter screen. That is, the filter first undergoes coarse filtration through the second filter screen, and then undergoes fine filtration through the first filter screen.

[0101] Preferably, the second filter screen is arc-shaped and protrudes towards the first filter screen.

[0102] In other words, the center of the second filter is located on the side of the second filter that is far away from the first filter, which helps to increase the filtration area of ​​the second filter.

[0103] It should be noted that the shape of the second filter is not limited to an arc shape. For example, it can also be straight or V-shaped, etc. Such adjustments and changes to the specific shape of the second filter do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model.

[0104] Of course, it is preferable to set the second filter screen as an arc, which is more conducive to increasing the filtration area of ​​the second filter screen, thereby improving the filtration effect of the lint filter device 4.

[0105] Preferably, the second filter extends from the connection between the first and second sides of the housing 41 toward the third side of the housing 41, with the third side opposite to the second side.

[0106] Preferably, the second filter screen is connected to the third side of the outer casing 41.

[0107] Preferably, such as Figures 10 to 12 As shown, the lint filter device 4 of this utility model also includes a mounting bracket 42 that is detachably installed inside the housing 41. The mounting bracket 42 can be pulled out from the air inlet 411 of the housing 41, and the second filter screen is disposed on the mounting bracket 42.

[0108] By setting the mounting bracket 42 to be able to be pulled out from the air inlet 411 of the housing 41, it is convenient to clean the second filter. In addition, during the process of pulling out the mounting bracket 42 and the second filter, the lint filtered by the second filter will also come out with the mounting bracket 42, which can achieve the effect of scraping off lint.

[0109] Preferably, such as Figures 10 to 12As shown, the mounting frame 42 of the lint filter device 4 of this utility model includes a first frame 421, a second frame 422 and a connecting plate 423. The first end of the first frame 421 is connected to the first end of the second frame 422, and the second end of the first frame 421 and the second end of the second frame 422 are connected by the connecting plate 423. The first frame 421 is located at the air inlet 411, the second filter screen is disposed on the second frame 422, and the connecting plate 423 is disposed opposite to the second side of the outer casing 41.

[0110] Preferably, the shape of the second frame 422 is the same as that of the second filter screen. If the second filter screen is set to be arc-shaped, the second frame 422 is also preferably arc-shaped. The second filter screen extends from the first end of the second frame 422 to the second end of the second frame 422.

[0111] For example, the first frame 421, the second frame 422 and the connecting plate 423 are connected end to end. All the lint filtered by the second filter is located inside the mounting bracket 42. When the mounting bracket 42 is pulled out from the housing 41, it is more convenient to scrape off all the lint filtered by the second filter, thereby improving the lint removal effect.

[0112] Preferably, such as Figure 10 and Figure 12 As shown, the connecting plate 423 of the mounting bracket 42 is attached to the inner wall of the third side of the housing 41.

[0113] In other words, the second end of the second frame 422 is connected to the third side of the outer casing 41, that is, the second filter screen is connected to the third side of the outer casing 41.

[0114] Preferably, such as Figures 10 to 12 As shown, the outer shell 41 of the lint filter device 4 is provided with a first snap-fit ​​structure 416, and the first frame 421 is provided with a second snap-fit ​​structure 4213. The first snap-fit ​​structure 416 and the second snap-fit ​​structure 4213 are snap-fitted together.

[0115] For example, the first snap-fit ​​structure 416 is a snap-fit ​​opening provided on the outer shell 41, and the second snap-fit ​​structure 4213 is a snap hook provided on the first frame 421. The snap hook is adapted to the snap-fit ​​opening. The outer shell 41 is provided with a snap-fit ​​opening at the top and bottom, and correspondingly, the first frame 421 is also provided with a snap hook at the top and bottom.

[0116] It should be noted that the first snap-fit ​​structure 416 and the second snap-fit ​​structure 4213 are not limited to the structure of the snap-fit ​​and the hook as described above. For example, they can also be set as a structure of the slot and the hook, or a structure of two hooks. Such adjustments and changes to the specific structural forms of the first snap-fit ​​structure 416 and the second snap-fit ​​structure 4213 do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model.

[0117] Preferably, the radius of the second filter screen is R, and the dimension of the second filter screen along the length direction of the outer shell 41 is L, where 1.0≤R / L≤3.0.

[0118] For example, the connecting plate 423 of the mounting bracket 42 is attached to the third side of the housing 41, and the two ends of the connecting plate 423 are respectively connected to the second end of the first frame 421 and the second end of the second frame 422. Then, as... Figure 12 As shown, the dimension L of the second filter screen along the length of the outer shell 41 is the length of the connecting plate 423.

[0119] By limiting R / L to between 1.0 and 3.0, the second filter can achieve a better filtration effect. For example, R / L can be set to 1.0, 1.5, 2.0, 2.5, or 3.0. More preferably, 2.0 ≤ R / L ≤ 2.5.

[0120] Preferably, such as Figure 10 and Figure 11 As shown, at least a portion of the housing 41 of the lint filter device 4 of this utility model is made transparent.

[0121] By making a portion of the housing 41 transparent, it is easy to observe whether the lint inside the housing 41 has been cleaned.

[0122] Preferably, such as Figure 10 and Figure 11 As shown, the outer casing 41 of the lint filter device 4 of this utility model is provided with a cleaning window 413. The outer casing 41 also includes a cover plate 414 for closing the cleaning window 413, and the cover plate 414 is made transparent.

[0123] For example, the cover plate 414 is pivotally connected to the housing 41. When it is necessary to clean the wire debris inside the housing 41, the cover plate 414 can be opened and the wire debris inside the housing 41 can be cleaned through the cleaning window 413 on the housing 41.

[0124] Preferably, such as Figure 9 As shown, a handle 43 is provided on the outer wall of the fourth side of the outer shell 41 of the lint filter device 4 of this utility model, and the fourth side is opposite to the first side.

[0125] By providing a handle 43 on the outer casing 41, it is easier to pull the lint filter 4 out of the drying air duct 31.

[0126] Preferably, such as Figure 10 , Figure 11 and Figure 13 As shown, the lint filter device 4 of this utility model also includes a scraping component 44. The scraping component 44 is connected to the mounting frame 42 and is located on the side of the mounting frame 42 away from the air inlet 411 of the outer shell 41. The scraping component 44 can scrape off the lint inside the outer shell 41 as it is pulled out with the mounting frame 42.

[0127] The mounting bracket 42 can only scrape off the lint filtered by the second filter screen. By setting the scraping component 44, the lint filtered by the first filter screen can also be scraped off during the process of pulling out the mounting bracket 42, which helps to improve the cleaning efficiency of the lint filter device 4.

[0128] For example, the scraping member 44 is connected to the connecting plate 423 of the mounting bracket 42. After connecting the first frame 421 and the second frame 422, the connecting plate 423 extends forward to connect with the scraping member 44. Of course, the connecting plate 423 may not extend forward, and the scraping member 44 may be directly connected to the connecting plate 423 at the position where the connecting plate 423 connects with the second frame 422.

[0129] It should be noted that those skilled in the art can set the scraping component 44 as a scraping plate, scraping block, or scraping frame, etc., in practical applications. Such adjustments and changes to the specific structural form of the scraping component 44 do not deviate from the principle and scope of this utility model and should be limited to the protection scope of this utility model.

[0130] Preferably, such as Figure 10 and Figure 13 As shown, the scraping component 44 of this utility model includes an annular scraper 441 and a sealing plate 442. The annular scraper 441 is attached to the inner wall of the outer shell 41 of the lint filter device 4. The sealing plate 442 is connected to the annular scraper 441 and seals the end of the annular scraper 441 away from the air inlet 411.

[0131] For example, the outer casing 41 has a rectangular cross-section, and the annular scraper 441 also forms a rectangular ring. The four sides of the annular scraper 441 are respectively attached to the four inner walls of the outer casing 41, and the sealing plate 442 is integrally formed with the annular scraper 441. The sealing plate 442 can be regarded as the fourth side of the outer casing 41, and the handle 43 of the lint filter device 4 is provided on the outer side wall of the sealing plate 442.

[0132] Preferably, such as Figures 7 to 10As shown, the lint filter device 4 of this utility model is provided with a first annular sealing member 45 at one end of the insertion interface 3112 near the drying air duct 31, and a second annular sealing member 46 at the other end of the lint filter device 4. Both the first annular sealing member 45 and the second annular sealing member 46 are sealed and fitted to the inner wall of the drying air duct 31. The outer diameter of the first annular sealing member 45 is larger than the outer diameter of the second annular sealing member 46.

[0133] In other words, the second annular sealing member 46 located at the inner end is smaller in size. This helps to reduce the friction between the lint filter device 4 and the drying air duct 31 during the installation and disassembly of the lint filter device 4, making it easier to operate.

[0134] For example, the first annular sealing member 45 is disposed at one end of the housing 41 near the insertion interface 3112 of the drying air duct 31, and the second annular sealing member 46 is disposed at the end of the mounting bracket 42 away from the insertion interface 3112. Specifically, the second annular sealing member 46 is disposed on the first frame 421, and both the first annular sealing member 45 and the second annular sealing member 46 are sealed and fitted against the inner wall of the first air duct 311. Of course, if the mounting bracket 42 is not provided, the second annular sealing member 46 can also be disposed on the housing 41 of the lint filter device 4.

[0135] It should be noted that the present invention does not limit the specific structural form of the first annular sealing member 45 and the second annular sealing member 46. For example, they can be set as an annular sealing gasket, an annular sealing ring, or an annular structure composed of multiple sealing strips.

[0136] Preferably, such as Figure 10 and Figure 11 As shown, the lint filter device 4 is provided with a first annular groove 415, and the first annular sealing member 45 is a first annular sealing ring provided in the first annular groove 415.

[0137] For example, a first annular groove 415 is provided at one end of the housing 41 of the online chip filter device 4, and a first annular sealing ring is installed in the first annular groove 415.

[0138] Preferably, such as Figure 10 and Figure 12 As shown, the lint filter device 4 is provided with a second annular groove 4211, and the second annular sealing member 46 is a second annular sealing ring provided in the second annular groove 4211.

[0139] For example, a second annular groove 4211 is provided on the first frame 421 of the mounting bracket 42 of the wire chip filter device 4, and a second annular sealing ring is installed in the second annular groove 4211.

[0140] Preferably, such as Figure 7 and Figure 8 As shown, a blocking and positioning structure 3113 is provided on the inner wall of the drying air duct 31 at a position away from the insertion interface 3112. The blocking and positioning structure 3113 abuts against the lint filter device 4 to position the lint filter device 4 in the set installation position.

[0141] For example, the blocking positioning structure 3113 is disposed on the inner wall of the first air duct 311. During the process of inserting the lint filter device 4 into the first air duct 311, when the end of the lint filter device 4 abuts against the blocking positioning structure 3113, the lint filter device 4 can no longer move forward, indicating that the lint filter device 4 is installed in place.

[0142] It should be noted that, in practical applications, those skilled in the art can configure the housing 41 of the lint filter device 4 to abut against the blocking positioning structure 3113, or the mounting bracket 42 of the lint filter device 4 to abut against the blocking positioning structure 3113, or a structure (such as a block or baffle) that cooperates with the blocking positioning structure 3113 can be provided on the housing 41 or the mounting bracket 42. Such flexible adjustments and changes do not deviate from the principle and scope of this utility model and should all be limited to the protection scope of this utility model.

[0143] Furthermore, it should be noted that those skilled in the art can configure the blocking positioning structure 3113 as a blocking positioning plate, blocking positioning rib, or blocking positioning block in practical applications. Such adjustments and changes to the specific structural form of the blocking positioning structure 3113 do not deviate from the principles and scope of this utility model and should be limited to the protection scope of this utility model.

[0144] Preferably, such as Figure 7 and Figure 8 As shown, the blocking and positioning structure 3113 is an annular positioning rib formed on the inner wall of the drying air duct 31.

[0145] For example, an annular positioning rib is provided along the inner wall of the first air duct 311. The annular positioning rib protrudes from the inner wall of the first air duct 311 into the interior of the first air duct 311. During the installation of the lint filter device 4, the housing 41 or mounting bracket 42 of the lint filter device 4 abuts against the annular positioning rib.

[0146] Preferably, such as Figure 7 , Figure 8 and Figure 12 As shown, the side of the annular positioning rib facing the insertion interface 3112 of the drying air duct 31 is set as the first inclined surface 31131, and the lint filter device 4 is provided with a second inclined surface 4212. The first inclined surface 31131 and the second inclined surface 4212 abut against each other.

[0147] For example, the second inclined surface 4212 is disposed on the first frame 421 of the mounting bracket 42 of the wire lint filter device 4. During the installation of the wire lint filter device 4, the first inclined surface 31131 in the first air duct 311 abuts against the second inclined surface 4212 on the mounting bracket 42 of the wire lint filter device 4.

[0148] Those skilled in the art will understand that although some embodiments herein include certain features included in other embodiments but not others, combinations of features from different embodiments are intended to be within the scope of this application and form different embodiments. For example, any of the claimed embodiments in the claims of this application can be used in any combination.

[0149] The technical solution of this utility model has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it will be readily understood by those skilled in the art that the protection scope of this utility model is obviously not limited to these specific embodiments. Without departing from the principle of this utility model, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will all fall within the protection scope of this utility model.

Claims

1. A washer-dryer, characterized in that, The washer-dryer includes a housing (1) and an inner cylinder, an outer cylinder (2), a drying duct (31), a lint filter (4), an air inlet pipe (51), and an exhaust pipe (52) installed in the housing (1). The inner cylinder is rotatably installed in the outer cylinder (2). The drying duct (31) is connected to the outer cylinder (2). The lint filter (4) is installed in the drying duct (31). A fresh air inlet (3114) is provided on the drying duct (31). The fresh air inlet (3114) is connected to one end of the air inlet pipe (51). A fresh air outlet is provided on the outer cylinder (2). The fresh air outlet is connected to one end of the exhaust pipe (52). The other end of the exhaust pipe (52) is connected to the drain pipe (7) of the washer-dryer and is discharged directly through the drain pipe (7).

2. The washer-dryer according to claim 1, characterized in that, A one-way valve (54) is installed on the exhaust pipe (52).

3. The washer-dryer according to claim 1, characterized in that, The lint filter device (4) includes a housing (41) and a first filter screen installed on the housing (41). The first side of the housing (41) is provided with an air inlet (411), and the second side of the housing (41) is provided with an air outlet (412). One of the first side and the second side is a side in the length direction of the housing (41), and the other of the first side and the second side is a side in the width direction of the housing (41). The first filter screen is installed at the air outlet (412).

4. The washer-dryer according to claim 3, characterized in that, The lint filter device (4) further includes a second filter screen, which is located between the air inlet (411) and the first filter screen.

5. The washer-dryer combo machine according to claim 4, characterized in that, The second filter extends from the connection between the first side and the second side toward the third side of the housing (41), the third side being opposite to the second side.

6. The washer-dryer combo machine according to claim 4, characterized in that, The lint filter (4) further includes a mounting bracket (42) detachably mounted inside the housing (41), the mounting bracket (42) being able to be pulled out from the air inlet (411), and the second filter screen being disposed on the mounting bracket (42).

7. The washer-dryer combo machine according to claim 6, characterized in that, The mounting bracket (42) includes a first frame (421), a second frame (422), and a connecting plate (423). The first end of the first frame (421) is connected to the first end of the second frame (422), and the second end of the first frame (421) and the second end of the second frame (422) are connected by the connecting plate (423). The first frame (421) is located at the air inlet (411), the second filter screen is disposed on the second frame (422), and the connecting plate (423) is disposed opposite to the second side.

8. The washer-dryer combo machine according to claim 4, characterized in that, The second filter screen is arc-shaped and protrudes towards the first filter screen.

9. The washer-dryer combo machine according to claim 1, characterized in that, The fresh air inlet (3114) is located upstream or downstream of the lint filter (4); and / or The fresh air outlet is located on the rear wall of the outer cylinder (2) and near the top of the outer cylinder (2); and / or The washer-dryer also includes an electric valve installed on the air inlet pipe (51), which is used to control the opening and closing of the air inlet pipe (51).

10. The washer-dryer combo machine according to any one of claims 1 to 9, characterized in that, The drying air duct (31) includes a first air duct (311) and a second air duct (312) that are connected. The first air duct (311) and the second air duct (312) are both located above the outer cylinder (2). The first air duct (311) extends in the front-back direction, and the second air duct (312) extends in the left-right direction and is close to the front end of the outer cylinder (2). The lint filter device (4) is installed in the first air duct (311), and the fresh air inlet (3114) is located in the first air duct (311). The washer-dryer also includes a heat pump module. The evaporator (33) and condenser of the heat pump module are installed in the second air duct (312). The evaporator (33) is located upstream of the condenser.

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