Cleaning equipment

Abstract

The invention provides a cleaning device which comprises a jet cleaning system, a dirt suction system, an air drying system and a change-over valve, and the jet cleaning system comprises a first passage, a clean water tank, a first pump and a cleaning part, and the clean water tank, the first pump and the cleaning part are connected into the first passage in series; the sewage suction system comprises a second passage, and a cleaning part, a second pump and a sewage tank which are connected in series with the second passage; the second pump is suitable for driving sewage to be sucked from the cleaning part and collected in the sewage tank; the air drying system comprises a third passage, a cleaning part connected to the third passage in series and a second pump machine; the second pump machine is suitable for driving airflow to flow into the cleaning part through the third passage; the second pump machine comprises an air inlet end and an air outlet end, the change-over valve is connected to the air inlet end and the air outlet end in parallel, and the change-over valve is suitable for selectively connecting the second pump machine to the second passage or the third passage so as to achieve switching between the dirt suction function and the air drying function. By designing the change-over valve structure, the equipment can be simply and conveniently switched between a dirt suction function and an air drying function.

Description

Technical Field

[0001] The invention belongs to the technical field of cleaning equipment, and in particular relates to a cleaning equipment. Background Art

[0002] As people's requirements for cleanliness and hygiene continue to increase, the functions of cleaning equipment are becoming increasingly diversified. Traditional cleaning equipment usually has relatively simple functions, often only having a single cleaning function, such as simple spray cleaning or suction cleaning, which cannot meet the user's diverse needs for cleaning and drying in different scenarios. Moreover, some existing multifunctional cleaning equipment has a complex function switching structure, inconvenient operation, and is not conducive to user use. At the same time, when switching between different functions, it is difficult for users to intuitively judge whether the switch is in place, which affects the normal use of the equipment. Summary of the invention

[0003] In view of the above-mentioned defects of the prior art, an object of the present invention is to provide a cleaning device to meet the needs of users.

[0004] To achieve the above object, the present invention provides a cleaning device, comprising

[0005] A jet cleaning system comprising a first passage and a clean water tank, a first pump and a cleaning component connected in series to the first passage;

[0006] A sewage suction system, comprising a second passage and the cleaning component, a second pump and a sewage tank connected in series to the second passage, wherein the second pump is adapted to drive the sewage to be sucked by the cleaning component and collected in the sewage tank;

[0007] An air drying system, comprising a third passage, the cleaning component connected in series to the third passage, and the second pump, wherein the second pump is adapted to drive airflow through the third passage into the cleaning component;

[0008] in:

[0009] The second pump includes an air inlet end and an air outlet end;

[0010] A conversion valve is connected in parallel to the air inlet end and the air outlet end, and the conversion valve is suitable for selectively connecting the second pump to the second passage or the third passage to achieve switching between a sewage suction function and an air drying function.

[0011] As a preferred embodiment: the conversion valve includes a valve body, the valve body includes

[0012] A first air inlet passage, which is suitable for selectively connecting the sewage tank or the environment to the air inlet end;

[0013] A first gas outlet passage, which is suitable for connecting the gas outlet end with the environment;

[0014] A multifunctional passage, which is suitable for selectively connecting the sewage tank or the air outlet to the cleaning component;

[0015] Among them: when the second pump is connected to the second passage, the cleaning component, the multifunctional passage, the sewage tank, the first air inlet passage, the second pump and the first air outlet passage are connected in sequence; when the second pump is connected to the third passage, the environment, the first air inlet passage, the pump, the multifunctional passage and the cleaning component are connected in sequence.

[0016] As a preferred embodiment: the first air intake passage includes a sewage suction air inlet, an air drying air inlet and two first air outlets, the sewage suction air inlet is suitable for connecting to the sewage tank, the air drying air inlet is suitable for connecting to the environment, and the first air outlet is suitable for connecting to the air inlet end.

[0017] As a preference, the multifunctional passage comprises a second vent, a second water inlet and a second air outlet, the second vent being adapted to be connected to the cleaning component, wherein:

[0018] When the second water inlet is connected to the sewage tank, the valve sleeve closes the second air outlet, and the multifunctional passage participates in forming the second passage; when the second air outlet is connected to the air outlet end, the valve sleeve closes the second water inlet, and the multifunctional passage participates in forming the third passage.

[0019] Preferably, the conversion valve comprises a valve sleeve and a valve body inserted in the valve sleeve, and the nested design provides space and support for the rotation of the valve body. The valve body switches the second pump to the second passage or the third passage by rotation.

[0020] Preferably, the valve body includes a tubular main valve body, a first partition plate and a second partition plate, wherein the first partition plate is suitable for separating the first air inlet passage and the first air outlet passage, and the second partition plate is suitable for separating the multifunctional passage and the first air outlet passage. The first partition plate and the second partition plate avoid mutual interference of airflows between different passages, and ensure the independence and stability of each functional passage.

[0021] Wherein: the first baffle is arranged perpendicular to the tubular main valve body, and / or the longitudinal section of the second baffle is S-shaped, the orthographic projection of the first air outlet passage partially overlaps with the orthographic projection of the multifunctional passage, and the orthographic projection refers to the projection from top to bottom. On the one hand, the S-shaped design enables the valve body to achieve a more complex passage layout in a limited space, improves space utilization, and makes the valve body structure more compact and reasonable; on the other hand, the S-shaped shape can guide and optimize the airflow. Specifically, in the air-drying function, when the airflow flows from the air outlet of the second pump to the multifunctional passage and then reaches the cleaning component, the S-shaped baffle can make the airflow smoother during the flow process, reduce the turbulence and energy loss of the airflow, improve the airflow transmission efficiency, and thus enhance the air-drying effect. In the sewage suction function, it also helps to maintain the stability of the airflow between the sewage tank and other passages to ensure the smooth progress of the sewage suction process.

[0022] As a preferred embodiment, the invention comprises a main box body and the clean water tank and the sewage tank arranged on both sides of the main box body, wherein:

[0023] The main box is suitable for accommodating the first pump, the second pump and the conversion valve, and the main box protects various components inside the device and provides overall structural support for the device. The main box includes a first vent, and the first vent is suitable for connecting to the first air inlet passage or the first air outlet passage;

[0024] The sewage tank comprises a water inlet pipe and an air outlet pipe, the water inlet pipe is in communication with the sewage tank and the multifunctional passage, and the air outlet pipe is in communication with the sewage tank and the first air inlet passage.

[0025] As a preferred embodiment, the valve sleeve is formed with an intake branch suitable for communicating with the intake end and a valve sleeve body suitable for accommodating the valve body, wherein:

[0026] The valve sleeve body is formed with a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is adapted to connect the multifunctional passage and the water inlet pipe, and the second connecting pipe is adapted to connect the air outlet pipe and the sewage suction inlet port;

[0027] The operating part is suitable for closing one end of the valve sleeve body, and the other end of the valve sleeve body is suitable for communicating with the cleaning component;

[0028] The valve sleeve body comprises a third connecting pipe and a fourth connecting pipe, the first air outlet passage comprises an air outlet opening, the third connecting pipe is adapted to connect the second pump and the air outlet opening, and the fourth connecting pipe is adapted to connect the air outlet opening and the environment;

[0029] The valve sleeve body includes a valve sleeve air inlet port adapted to communicate with the air-drying air inlet port and the first air inlet passage.

[0030] Preferably, the valve sleeve body includes a stop ring suitable for limiting and abutting against the valve body, so as to ensure the position accuracy of the valve body during rotation and ensure that each passage can be accurately connected when switching.

[0031] Preferably, the valve body rotates at least 90° to achieve switching.

[0032] Preferably, the valve body comprises an operating portion extending from the valve sleeve and the main box body, the operating portion comprises a convex ridge for holding, and when the convex ridge is arranged vertically or horizontally, it indicates that the valve body is in the correct position.

[0033] Specifically, the valve body rotates 180° to achieve function switching. The convex ridge includes a first indicator and a second indicator disposed at both ends thereof. When the first indicator is located at the upper end, the second pump is connected to the second passage through the conversion valve to achieve the sewage suction function. When the second indicator is located at the upper end, the second pump is connected to the third passage through the conversion valve to achieve the air drying function. This design is conducive to the user's operation, and the user can simply and clearly understand the status of the conversion valve and the second pump.

[0034] As a preferred embodiment: the main box also includes

[0035] A volute air collecting disk, comprising an air collecting inlet and an air collecting outlet, wherein the air collecting inlet is suitable for connecting to the air outlet of the second pump, and the air collecting outlet is suitable for connecting to the first air outlet passage or the multi-functional passage; and / or a heating component, which is suitable for heating the air so that the cleaning component can output hot air flow to achieve drying, thereby improving drying efficiency.

[0036] As a preferred embodiment: the wind gathering inlet is arranged at the center thereof, and the wind gathering outlet is arranged along its tangent direction, so that the airflow can be evenly diffused to the periphery of the volute, and under the action of centrifugal force, the airflow can flow along the curve of the volute to achieve a wind gathering effect.

[0037] As a preference, the heating component may be arranged between the air gathering inlet and the second pump, or the heating component may be arranged inside the air gathering disk.

[0038] Preferably, the cleaning component is a brush head having a brush head passage, and the brush head passage is suitable for connecting the environment and one end of the valve sleeve body.

[0039] As preferably: the cleaning device also includes

[0040] The control system is suitable for coordinating the work of various systems, including the start, stop, and operation parameter adjustment of the spray cleaning system, the suction system, and the drying system. The control system can be a simple manual operation panel or a microprocessor-based intelligent control system to achieve an automated and intelligent cleaning process.

[0041] The power module is suitable for providing power support for the device to ensure the normal operation of the device. The power module can be an external power adapter or a built-in rechargeable battery. Different power forms are suitable for different usage scenarios.

[0042] The walking mechanism includes walking wheels, which can be driven by manpower or by a motor. The walking mechanism enables the equipment to move on different ground environments, and can also be used to perform cleaning work according to a preset path or mode through a control system.

[0043] The beneficial effects of the present invention are:

[0044] 1. By setting up the jet cleaning system, sewage suction system and air drying system, one device can simultaneously realize multiple functions such as clean water jet cleaning, sewage suction and air drying, which greatly improves the practicality and convenience of the equipment and meets the cleaning needs of users in different scenarios. For example, after cleaning the oily kitchen floor, it can be directly air-dried to avoid slippery floor.

[0045] Second, the second pump can be switched between the second passage (sewage suction function) and the third passage (air drying function) by setting a conversion valve structure. Furthermore, the passage layout and connection method of the valve body enable the second pump to be flexibly connected between different passages, meeting the diverse cleaning needs of the equipment and greatly improving the practicality and functionality of the equipment.

[0046] 3. The valve body realizes function switching by rotating. This operation method is simple and direct, and easy for users to master. At the same time, the rotating valve body structure is relatively stable. During frequent switching, it can maintain the reliability of the connection of each channel, reduce the occurrence of failures caused by loose components or poor contact, and improve the stability and service life of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] Figure 1 A schematic structural diagram of a cleaning device provided by the present invention.

[0048] Figure 2 The present invention is a schematic cross-sectional view of a cleaning device provided by the present invention.

[0049] Figure 3 This is a schematic diagram of the interior of the sewage tank provided by the present invention.

[0050] Figure 4This is a schematic diagram of the assembly of the conversion valve and the air collecting disk provided by the present invention.

[0051] Figure 5 A schematic diagram of the assembly of the conversion valve and the air collecting disk provided by the present invention from another angle.

[0052] Figure 6 This is a schematic structural diagram of the valve body provided by the present invention.

[0053] Figure 7 This is a cross-sectional schematic diagram of the valve body provided by the present invention.

[0054] In the figure: 1, main box body; 11, first vent; 2, clean water tank; 3, sewage tank; 31, water inlet pipe; 32, air outlet pipe; 41, valve sleeve; 411, valve sleeve body; 4111, stop ring; 4112, first connecting pipe; 4113, second connecting pipe; 4114, third connecting pipe; 4115, fourth connecting pipe; 4116, valve sleeve air inlet; 412, air inlet branch; 42, valve body; 421, tubular main valve body ; 422, first partition; 423, second partition; 424, first air inlet passage; 4241, sewage suction inlet; 4242, first air outlet; 425, first air outlet passage; , 4251, air outlet opening; 426, multi-function passage; 4261, second air vent; 4262, second water inlet; 4263, second air outlet; 427, operating part; 4271, convex ridge; 5, volute air collecting disk; 51, air collecting outlet. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solutions and advantages of the present invention more clear, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments.

[0056] It should also be noted that, in order to avoid obscuring the present invention due to unnecessary details, only structures and / or processing steps closely related to the scheme of the present invention are shown in the drawings, while other details that are not closely related to the present invention are omitted.

[0057] In addition, it should be noted that the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0058] like Figure 1-7The present invention provides a cleaning device, including a jet cleaning system, a sewage suction system, an air drying system and a conversion valve. The jet cleaning system includes a first passage and a clean water tank 2 connected in series to the first passage, a first pump and a cleaning component, and the cleaning component is a brush head with a brush head passage. The sewage suction system includes a second passage and a cleaning component connected in series to the second passage, a second pump and a sewage tank 3, and the second pump is suitable for driving sewage to be sucked into the cleaning component and collected in the sewage tank 3. The air drying system includes a third passage, a cleaning component connected in series to the third passage, and a second pump, and the second pump is suitable for driving air flow through the third passage into the cleaning component. The second pump includes an air inlet end and an air outlet end, and the conversion valve is connected in parallel to the air inlet end and the air outlet end, and the conversion valve is suitable for selectively connecting the second pump to the second passage or the third passage to achieve the switching of the sewage suction function and the air drying function.

[0059] In this embodiment, the cleaning equipment includes a main housing 1, and a clean water tank 2 and a sewage tank 3 are respectively arranged on both sides of the main housing 1. The main housing 1 contains a first pump, a second pump, a conversion valve, a volute air gathering disk 5 and a heating component. The volute air gathering disk 5 includes an air gathering inlet and an air gathering outlet 51. The air gathering inlet is suitable for connecting to the air outlet of the second pump. The air gathering inlet is arranged in the center thereof, and the air gathering outlet 51 is arranged along its tangent direction. The airflow can be evenly diffused to the periphery of the volute. Under the action of centrifugal force, the airflow can flow along the curve of the volute to achieve a wind gathering effect. The heating component can be arranged between the air gathering inlet and the air outlet of the second pump. The heating component is suitable for heating the air so that the cleaning component can output hot airflow to achieve drying, thereby improving the drying efficiency.

[0060] In this embodiment, the conversion valve includes a valve sleeve 41 and a valve body 42. The valve sleeve 41 is formed with an intake branch 412 suitable for connecting to the intake end and a valve sleeve body 411 suitable for accommodating the valve body 42. The valve body 42 is plugged into the valve sleeve body 411. The nested design provides space and support for the rotation of the valve body 42. The valve body 42 switches the second pump to access the second passage or the third passage by rotation. Further, the valve sleeve body 411 includes a stop ring 4111 suitable for abutting the valve body 42 along its axial limit position to ensure the position accuracy of the valve body 42 during the rotation process, and ensure that each passage can be accurately connected when switching. The valve body 42 includes a tubular main valve body 421 and an operating portion 427 extending from the valve sleeve 41 and the main box body 1. The tubular main valve body 421 includes a first air inlet passage 424, a first air outlet passage 425 and a multifunctional passage 426. The first air inlet passage 424 is suitable for selectively connecting the sewage tank 3 or the environment to the air inlet end, the first air outlet passage 425 is suitable for connecting the air outlet end and the environment, and the multifunctional passage 426 is suitable for selectively connecting the sewage tank 3 or the air outlet end to the cleaning component. When the second pump is connected to the second passage, the cleaning component, the multifunctional passage 426, the sewage tank 3, the first air inlet passage 424, the second pump and the first air outlet passage 425 are connected in sequence; when the second pump is connected to the third passage, the environment, the first air inlet passage 424, the pump 6, the multifunctional passage 426 and the cleaning component are connected in sequence.

[0061] In this embodiment, the main housing 1 includes a first vent 11 adapted to communicate with the environment. The sewage tank 3 includes a water inlet pipe 31 and an air outlet pipe 32, wherein the water inlet pipe 31 is communicated with the sewage tank 3, and the air outlet pipe 32 is communicated with the sewage tank 3. One axial end of the valve sleeve body 411 is closed by the operating portion 427, and the other axial end of the valve sleeve body 411 is adapted to communicate with the brush head passage. A first communicating pipe 4112, a second communicating pipe 4113, a third communicating pipe 4114, a fourth communicating pipe 4115, and a valve sleeve air inlet 4116 are formed on the peripheral wall of the valve sleeve body 411. The first air inlet passage 424 includes a sewage suction air inlet 4241, an air drying air inlet and two oppositely arranged first air outlets 4242, the sewage suction air inlet 4241 and the air drying air inlet are shared, the first air outlet 4242 is adapted to be connected to the air inlet end through the air inlet branch 412, the sewage suction air inlet 4241 is connected to the air outlet pipe 32 through the second connecting pipe 4113, and the air drying air inlet is connected to the environment through the valve sleeve air inlet 4116 and the first vent 11. The first air outlet passage 425 includes an air outlet opening 4251, the third connecting pipe 4114 is adapted to be connected to the air gathering outlet 51 and the air outlet opening 4251, and the fourth connecting pipe 4115 is adapted to be connected to the environment through the air outlet opening 4251 and the first vent 11. The multifunctional passage 426 includes a second vent 4261, a second water inlet 4262 and a second air outlet 4263. The second vent 4261 is adapted to be connected to the brush head passage through one axial end of the connecting valve sleeve body 411. The second water inlet 4262 is connected to the water inlet pipe 31 through the first connecting pipe 4112. The second air outlet 4263 is connected to the air gathering outlet 51 through the third connecting pipe 4114. When the second water inlet 4262 is connected to the sewage tank 3, the valve sleeve 41 closes the second air outlet 4263, and the multifunctional passage 426 participates in forming the second passage; when the second air outlet 4263 is connected to the air outlet, the valve sleeve 41 closes the second water inlet 4262, and the multifunctional passage 426 participates in forming the third passage.

[0062] In this embodiment, the valve body 42 rotates 180° to achieve function switching. The operating portion 427 includes a grippable ridge 4271, which prompts the switch to be in place only when the ridge 431 is set vertically. The ridge 4271 includes a first indicator mark and a second indicator mark set at both ends thereof. When the first indicator mark is at the upper end, the second pump machine is connected to the second passage through the conversion valve 4 to achieve the sewage suction function. When the second indicator mark is at the upper end, the second pump machine is connected to the third passage through the conversion valve to achieve the air-drying function. This design is conducive to the user's operation, and the user can simply and clearly understand the status of the conversion valve and the second pump machine.

[0063] In this embodiment, the tubular main valve body 421 includes a first partition plate 422 and a second partition plate 423, wherein the first partition plate 422 is suitable for separating the first air inlet passage 424 and the first air outlet passage 425, and the second partition plate 423 is suitable for separating the multifunctional passage 426 and the first air outlet passage 425. The first partition plate 422 and the second partition plate 423 avoid mutual interference of airflows between different passages, and ensure the independence and stability of each functional passage. Wherein: the first partition plate 422 is arranged perpendicular to the tubular main valve body 421, and / or, the longitudinal section of the second partition plate 423 is S-shaped, and the orthographic projection of the first air outlet passage 425 partially overlaps with the orthographic projection of the multifunctional passage 426, and the orthographic projection refers to the projection from top to bottom. On the one hand, the S-shaped design enables the valve body 42 to achieve a more complex passage layout within a limited space, improves space utilization, and makes the valve body 42 structure more compact and reasonable; on the other hand, the S-shaped shape can guide and optimize the airflow. Specifically, in the air-drying function, when the airflow flows from the second pump outlet to the multifunctional passage 426 and then reaches the cleaning component, the S-shaped partition can make the airflow smoother during the flow process, reduce the turbulence and energy loss of the airflow, improve the airflow transmission efficiency, and thus enhance the air-drying effect. In the sewage suction function, it also helps to maintain the stability of the airflow between the sewage tank 3 and other passages to ensure the smooth progress of the sewage suction process.

[0064] In the present embodiment, the cleaning equipment also includes a control system suitable for coordinating the work of each system, a power module and a walking mechanism suitable for providing power support for the equipment. The control system includes the start, stop, and operation parameter adjustment of the spray cleaning system, the suction system, and the drying system. The control system can be a simple manual operation panel or an intelligent control system based on a microprocessor to realize an automated and intelligent cleaning process. The power module can be an external power adapter or a built-in rechargeable battery, and different power supply forms are suitable for different usage scenarios. The walking mechanism includes a walking wheel, which can be driven by manpower, and the walking mechanism enables the equipment to move on different ground environments. In some other embodiments, the walking wheel can also be driven by a motor, and the cleaning work can also be carried out according to a preset path or mode through the control system.

[0065] The above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention may be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the present invention.

Claims

1. A cleaning device, characterized in that: include A jet cleaning system comprising a first passage and a clean water tank, a first pump and a cleaning component connected in series to the first passage; A sewage suction system, comprising a second passage and the cleaning component, a second pump and a sewage tank connected in series to the second passage, wherein the second pump is adapted to drive the sewage to be sucked by the cleaning component and collected in the sewage tank; An air drying system, comprising a third passage, the cleaning component connected in series to the third passage, and the second pump, wherein the second pump is adapted to drive airflow through the third passage into the cleaning component; in: The second pump includes an air inlet end and an air outlet end; A conversion valve is connected in parallel to the air inlet end and the air outlet end, and the conversion valve is suitable for selectively connecting the second pump to the second passage or the third passage to achieve switching between a sewage suction function and an air drying function.

2. A cleaning device according to claim 1, characterized in that: The conversion valve comprises a valve body, wherein the valve body comprises A first air inlet passage, which is suitable for selectively connecting the sewage tank or the environment to the air inlet end; A first gas outlet passage, which is suitable for connecting the gas outlet end with the environment; A multifunctional passage, which is suitable for selectively connecting the sewage tank or the air outlet to the cleaning component; Among them: when the second pump is connected to the second passage, the cleaning component, the multifunctional passage, the sewage tank, the first air inlet passage, the second pump and the first air outlet passage are connected in sequence; when the second pump is connected to the third passage, the environment, the first air inlet passage, the pump, the multifunctional passage and the cleaning component are connected in sequence.

3. A cleaning device according to claim 2, characterized in that: The first air inlet passage includes a sewage suction air inlet, an air drying air inlet and two first air outlets. The sewage suction air inlet is suitable for connecting to the sewage tank, the air drying air inlet is suitable for connecting to the environment, and the first air outlet is suitable for connecting to the air inlet end.

4. A cleaning device according to claim 3, characterized in that: The multifunctional passage comprises a second vent, a second water inlet and a second air outlet, wherein the second vent is adapted to communicate with the cleaning component, wherein: When the second water inlet is connected to the sewage tank, the valve sleeve closes the second air outlet, and the multifunctional passage participates in forming the second passage; when the second air outlet is connected to the air outlet end, the valve sleeve closes the second water inlet, and the multifunctional passage participates in forming the third passage.

5. A cleaning device according to claims 2-4, characterized in that: The conversion valve includes a valve sleeve and a valve body inserted in the valve sleeve, and the valve body switches the second pump to connect to the second passage or the third passage by rotating.

6. A cleaning device according to claim 5, characterized in that: The valve body comprises a tubular main valve body, a first partition plate and a second partition plate, wherein the first partition plate is adapted to separate the first air inlet passage and the first air outlet passage, and the second partition plate is adapted to separate the multifunctional passage and the first air outlet passage; Wherein: the first baffle is arranged perpendicular to the tubular main valve body, and / or the longitudinal section of the second baffle is S-shaped, the orthographic projection of the first air outlet passage partially overlaps with the orthographic projection of the multifunctional passage, and the orthographic projection refers to the projection from top to bottom.

7. A cleaning device according to claim 5, characterized in that: It comprises a main box body and the clean water tank and the sewage tank arranged on both sides of the main box body, wherein: The main housing is suitable for accommodating the first pump, the second pump and the conversion valve, and the main housing comprises a first vent, and the first vent is suitable for communicating with the first air inlet passage or the first air outlet passage; The sewage tank comprises a water inlet pipe and an air outlet pipe, the water inlet pipe is in communication with the sewage tank and the multifunctional passage, and the air outlet pipe is in communication with the sewage tank and the first air inlet passage.

8. A cleaning device according to claim 7, characterized in that: The valve sleeve is formed with an intake branch suitable for communicating with the intake end and a valve sleeve body suitable for accommodating the valve body, wherein: The valve sleeve body is formed with a first connecting pipe and a second connecting pipe, wherein the first connecting pipe is adapted to connect the multifunctional passage and the water inlet pipe, and the second connecting pipe is adapted to connect the air outlet pipe and the sewage suction inlet port; The operating part is suitable for closing one end of the valve sleeve body, and the other end of the valve sleeve body is suitable for communicating with the cleaning component; The valve sleeve body comprises a third connecting pipe and a fourth connecting pipe, the first air outlet passage comprises an air outlet opening, the third connecting pipe is adapted to connect the second pump and the air outlet opening, and the fourth connecting pipe is adapted to connect the air outlet opening and the environment; The valve sleeve body includes a valve sleeve air inlet port adapted to communicate with the air-drying air inlet port and the first air inlet passage.

9. A cleaning device according to claim 7, characterized in that: The valve body rotates at least 90° to achieve switching; and / or, the valve body includes an operating portion extending from the valve sleeve and the main box body, and the operating portion includes a convex ridge that can be grasped, and when the convex ridge is vertically or horizontally arranged, it indicates that the switching is in place.

10. A cleaning device according to claim 7, characterized in that: The main box also includes A volute air gathering disk, comprising an air gathering inlet and an air gathering outlet, wherein the air gathering inlet is adapted to be connected to an air outlet end of the second pump, and the air gathering outlet is adapted to be connected to the first air outlet passage or the multifunctional passage; And / or, a heating component, which is suitable for heating air so that the cleaning component can output hot air flow to achieve drying.

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