WO2023056834A1

WO2023056834A1 - Multi-way joint, and cleaning apparatus

Info

Publication number: WO2023056834A1
Application number: PCT/CN2022/119201
Authority: WO
Inventors: 张如; 倪文翊; 张亚林
Original assignee: 追觅创新科技(苏州)有限公司
Priority date: 2021-10-08
Filing date: 2022-09-16
Publication date: 2023-04-13

Abstract

A multi-way joint, comprising a joint body (80A), wherein the joint body (80A) is provided with an inlet chamber (81A) and an outlet chamber; the joint body (80A) is further provided with a first interface (61A), a second interface (14A) and a third interface (62A); the inlet chamber (81A) is in communication with the outlet chamber by means of the third interface (62A); the first interface (61A) is arranged on the bottom of the joint body (80A) and is in communication with the inlet chamber (81A); and the second interface (14A) is arranged on a side wall of the joint body (80A) and is in communication with the inlet chamber (81A). By means of the multi-way joint, the technical problem of an existing cleaning device having a poor dust suction effect after switching between dry and wet trash suction is solved.

Description

A multi-way joint and cleaning equipment

This application claims the priority of the following patent application: the Chinese patent application submitted to the China Patent Office on October 08, 2021, with the application number 202122423019.5, and the title of the invention is "A Dust Collection Device and Cleaning Equipment", filed in October 2021 A Chinese patent application with the application number 202122423082.9 and the title of the invention "Cleaning Equipment" was submitted to the China Patent Office on the 08th, and was submitted to the China Patent Office on October 08, 2021 with the application number 202111172256.7 and the title of the invention is "A Multi-way Joint and cleaning equipment” was submitted to the China Patent Office on October 08, 2021, with the application number 202122421669.6 and the Chinese patent application titled “cleaning equipment”; the entire content of the above patent application is incorporated by reference in this application middle.

【Technical field】

The present application relates to the technical field related to sanitation and cleaning, in particular, to a multi-way joint and cleaning equipment.

【Background technique】

Existing cleaning equipment, such as vacuum cleaners, floor washing machines, etc., the dust cup installed in it needs to transport the garbage to the dust cup through the air duct for filtration during the dust removal operation, and the filtered gas is discharged. This dust collection method When the liquid is sucked, the liquid will be brought into the dust cup, so that the garbage in the dust cup and the liquid are mixed together, sticking in the dust cup, affecting the filtering effect of the dust cup, and the garbage is not easy to clean after sticking, affecting the user However, the existing floor washing machines and vacuum cleaners cannot separate the dry suction garbage and the wet suction garbage independently, so it is very inconvenient to use.

【Content of invention】

Therefore, what this application intends to solve is the technical problem that the existing cleaning device has poor dust collection effect after switching between dry rubbish and hygroscopic rubbish.

In the inconvenient technology after carrying out the switching of dry-absorbing rubbish and hygroscopic rubbish, the equipment for sucking dry rubbish and absorbing liquid is interchangeable.

In order to solve the above technical problems, the application provides a multi-way joint, including: a joint body, the joint body is provided with an inlet cavity and an outlet cavity, and the joint body is also provided with a first interface, a second interface and a third interface, wherein , the inlet cavity and the outlet cavity communicate through the third interface, the first interface is arranged on the bottom of the joint body and communicates with the inlet cavity, and the second interface is arranged on the side wall of the joint body and communicates with the inlet cavity.

Optionally, the second interface protrudes from the outside of the side wall.

Optionally, the multi-way connector also includes:

The first closing part is movably arranged on the second interface to open or close the second interface.

Optionally, a limit frame is provided at the end of the second interface, and the first closure includes:

a first sealing plate, the first sealing plate is rotatably arranged in the second interface;

A torsion piece, the torsion piece is arranged in the second interface, and is drivingly connected with the first sealing plate, so as to drive the first sealing plate to abut against the limit frame to close the second interface.

Optionally, the joint body includes an annular cylinder and a partition, and the partition is arranged inside the annular cylinder to partition the joint body into inlet chambers and outlet chambers arranged at intervals along the axial direction.

Optionally, the outlet cavity is located at the top of the partition, the inlet cavity is located at the bottom of the partition, the third interface is arranged at the center of the partition, there are multiple first interfaces, and the multiple first interfaces are arranged around the third interface.

Optionally, a plurality of ribs are provided on the side of the partition near the inlet, and notches are respectively provided at the bottoms of the plurality of ribs, and the notches form the first interface.

Optionally, a filter is provided at the first interface.

Optionally, the multi-way joint further includes: a bottom cover, which is arranged at the bottom of the joint body, wherein a filtrate channel is provided on the bottom cover, and the filtrate channel communicates with the inlet port through the first interface.

The joint body provided by this application is mainly used in cleaning equipment. The joint body is arranged in the cleaning equipment to connect with different channels, which solves the problem that the cleaning equipment cannot be docked and converted multiple gas paths in the prior art, and improves the universality of the cleaning equipment. Specifically, the joint body is provided with a second interface on the side wall to connect with the wet air duct, a first interface is provided at the bottom to connect with the dry air duct, and the third interface is connected to the second interface and the first interface. connected to discharge the gas in the dry air duct and the wet air duct through the third interface.

The present application also provides a dust collection device, including: a first body assembly, the first body assembly is provided with a first suction port, a second suction port and a first gas outlet, the first suction port, the second suction port The air port and the first air outlet are connected to each other, and the first air suction port can be opened and closed; the host, the host is arranged on the first body assembly; the dry air duct, the dry air duct is arranged on the first body assembly, wherein , the dry air duct is respectively connected with the second suction port and the main engine; the dust cup is set on the dry air duct.

The present application also provides a cleaning device, including a dust suction device, the dust suction device is the above dust suction device, the dust suction device also includes a second body component, the second body component is detachably connected to the dust suction device, wherein the first The second body assembly is provided with a wet air duct, a third air inlet and a second air outlet, and the wet air duct communicates with the third air inlet and the second air outlet respectively, wherein the second air outlet is connected to the first air inlet The positions are set correspondingly, so that after the second body component is connected with the dust suction device, the second air outlet is connected to the first air suction port.

This application provides a dust collection device that can perform dry suction, and can also be docked with other devices to provide power for wet suction. It is more diversified and versatile. Specifically, the dust suction device in this embodiment is located on the side wall There is a first suction port for docking with other dust collection devices, the first suction port communicates with the host, when the first suction port is docked with other dust collection devices, the host can provide power, when connected with After the dust collection device for absorbing moisture or liquid is docked, moisture is sucked into the main unit through the first air suction port, and then discharged through the first air outlet, thus enriching the use of the dust collection device in this embodiment and being able to connect with different dust collection devices equipment, more general.

In addition, the vacuum equipment provided in this application provides two modes of dry suction and wet suction. In the dry suction mode, only the dust suction device can be completed alone. In the wet suction mode, the dust suction device can be connected to the second body component. The vacuuming operation under the wet suction mode, specifically, in the wet suction mode, the wet air channel is connected with the first suction port, and the main engine is connected with the wet air channel through the first suction port, and the wet air is discharged by the generated negative pressure. The gas in the channel is sucked into the host.

The present application also provides a cleaning device, including a body assembly, a drainage assembly, a cleaning assembly, and a suction device, wherein the body assembly has an independently arranged air inlet air duct and an exhaust air duct, and an exhaust air duct connected to the exhaust air duct. At least a part of the drainage assembly is located in the exhaust air duct, the drainage assembly has a condensation surface and a flow guide part, the condensation surface is set towards the windward side of the exhaust air duct, and the vapor and liquid condensed on the condensation surface flow down through the flow guide part; the suction device is set On the body assembly, the suction device communicates with the outside through the air inlet duct, and the suction device exhausts air through the air outlet.

In the present application, a part of the drainage assembly is located in the exhaust air duct, and another part of the drainage assembly is communicated with the cleaning assembly. In this way, the drainage assembly located in the exhaust air duct plays a role of blocking vapor and liquid, so that the vapor The liquid in the liquid is attached to the drainage component, and flows into the cleaning component along the drainage component under its own gravity, while the gas in the vapor liquid bypasses the drainage component and is discharged through the exhaust port, reducing the exhaustion as much as possible. The moisture in the gas discharged from the tuyere prevents the vapor and liquid from wetting the body components, and also avoids wetting the surrounding environment of the body components, which is conducive to improving the user's good impression of the cleaning equipment experience.

The present application also provides a cleaning device, including a body assembly, a first box body and a suction device, wherein the body assembly has an exhaust air duct and an air intake air duct independently arranged, and an air exhaust port communicated with the exhaust air duct ; At least a part of the first box is arranged in the exhaust air duct, the first box has a condensation surface, and the condensation surface is set towards the windward side of the exhaust air duct to block part of the vapor and liquid; the suction device is arranged on the body assembly, The suction device communicates with the outside through the air inlet duct, and the suction device exhausts air through the air outlet.

In this application, by arranging the first box in the exhaust air duct, the first box can play the role of blocking vapor and liquid, so that the liquid in the vapor and liquid adheres to the first box, and under the action of its own gravity It flows into the cleaning component along the first box, while the gas in the vapor and liquid bypasses the first box and is discharged through the exhaust port, so as to reduce the liquid in the gas discharged from the exhaust port as much as possible, thereby avoiding the The liquid wets the body components, and also avoids wetting the surrounding environment of the body components, which is conducive to improving the user's good impression of the use experience of the cleaning equipment.

【Description of drawings】

Fig. 1 is the schematic structural representation of the multi-way connector provided by embodiment 1 of the present application;

Fig. 2 is the structural representation of the cleaning equipment provided by Embodiment 2 of the present application;

Fig. 3 shows the schematic cross-sectional structure diagram of the cleaning equipment of the present application;

Fig. 4 shows the schematic diagram of the enlarged structure at A place in Fig. 3;

Fig. 5 shows the schematic cross-sectional structure diagram of the cleaning equipment of the present application;

Fig. 6 shows a partial cross-sectional structural schematic view of the air inlet duct side of the cleaning device in Fig. 5;

Fig. 7 shows a structural schematic diagram of another viewing angle of the cleaning device in Fig. 5;

FIG. 8 shows a schematic structural view of the first air duct section of the exhaust air duct of the cleaning device in FIG. 5 .

Explanation of reference numerals among Fig. 1 and Fig. 2:

10A-first body assembly; 11A-second air intake; 12A-first air outlet; 13A-dry air duct; 14A-second interface; 20A-second body assembly; 21A-wet air duct; 211A-suction Liquid section; 212A-liquid storage section; 213A-drainage section; 214A-docking port; 215A-direction section; 22A-third suction port; Air duct structure; 30A-host; 40A-dust cup; 50A-liquid storage tank; 60A-multi-way connector; 61A-first interface; 62A-third interface; Mouth; 811A-side wall; 812A-rib; 82A-annular barrel; 83A-baffle.

Description of reference numerals among Fig. 3 to Fig. 8:

10B-body assembly; 11B-exhaust air duct; 111B-first air duct section; 1111B-first sub-air duct section; 1112B-second sub-air duct section; 12B-exhaust air duct; 15B, air intake duct ;20B-drainage assembly; 21B-liquid retaining structure; 211B-liquid retaining plate; 22B-drainage pipeline; 23B-undertaking structure; -box body; 60B-dust cup assembly; 70B, handle assembly; 80B-first box body; 90B-first box body.

【Detailed ways】

The technical solutions of the present application will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the described embodiments are some of the embodiments of the present application, not all of them. Hereinafter, the present application will be described in detail with reference to the drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

It should be noted that the terms "first" and "second" in the description and claims of the present application and the above drawings are used to distinguish similar objects, but not necessarily used to describe a specific sequence or sequence.

In this application, unless stated to the contrary, the used orientation words such as "upper, lower, top, bottom" are generally used for the directions shown in the drawings, or for the parts themselves in the vertical, In terms of vertical or gravitational direction; similarly, for the convenience of understanding and description, "inside and outside" refer to inside and outside relative to the outline of each component itself, but the above orientation words are not used to limit the present application.

The embodiment of the present application provides a multi-way joint, as shown in Figure 1, which includes a joint body 80A, the joint body 80A is provided with an inlet cavity 81A and an outlet cavity, which can be used to enter or discharge gas, liquid or solid-liquid mixture, etc. The joint body 80A is also provided with a first interface 61A, a second interface 14A and a third interface 62A, wherein the inlet cavity 81A and the outlet cavity are communicated through the third interface 62A, and the first interface 61A is arranged at the bottom of the joint body 80A and Communicating with the inlet cavity 81A, the second interface 14A is disposed on the side wall 811A of the joint body 80A and communicates with the inlet cavity 81A.

The joint body 80A in this embodiment is mainly used in cleaning equipment, and the joint body 80A is set in the cleaning equipment to connect with different channels, which solves the problem that the cleaning equipment cannot be docked and converted multiple gas paths in the prior art, and improves the cleaning efficiency. The versatility of the equipment, specifically, the joint body 80A is provided with the second interface 14A on the side wall 811A to connect with the wet air duct 21A, the first interface 61A is provided at the bottom to connect with the dry air duct 13A, and the third The interface 62A communicates with the second interface 14A and the first interface 61A, so as to discharge the gas in the dry air duct 13A and the wet air duct 21A through the third interface 62A.

According to an embodiment of the present application, when the multi-way joint is used in the dry suction mode, its working process is as follows: the first interface 61A enters air or dry garbage, and the incoming wind or dry garbage enters the third port after passing through the inlet 81A. Interface 62A, and then discharged from the outlet;

When the multi-way joint is used in the moisture absorption mode, its working process is as follows: objects such as moisture, liquid or wet garbage enter the second interface 14A, the object enters from the second interface, passes through the inlet, and then passes through the third interface 62A. Into the exit mouth, and then out.

The second interface 14A protrudes from the outer side of the side wall 811A. The first closing member is movably disposed at the second interface 14A to open or close the second interface 14A. The end of the second interface 14A is provided with a limiting frame, the first sealing member includes a first sealing plate and a torsion member, the first sealing plate is rotatably arranged in the second interface 14A; the torsion member is arranged in the second interface 14A, And it is drivingly connected with the first sealing plate, so as to drive the first sealing plate to abut against the limit frame to close the second interface 14A. Wherein, the torsion member can be a torsion spring, a screw nut pair or a transmission shaft and the like.

In order to conveniently set the second interface 14A in a form that can be opened and closed, a protruding second interface 14A is also provided on the outside of the annular cylinder 82A, and the first closing member and torsion member are arranged in the second interface 14A. In the example, the second interface 14A adopts a normally closed setting. Specifically, the second interface 14A is provided with a torsion member and a first sealing plate, and the torsion member applies a flipping driving force to the first sealing plate, so that the first sealing plate is tightly attached to the first sealing plate. The limiting frame closes the second interface 14A, and the first sealing plate can be flipped open to the inner side of the second interface 14A. When the second interface 14A needs to be opened, a driving force to the inner side of the second interface 14A needs to be given to the first sealing plate , to push away the first sealing plate.

The joint body 80A includes an annular cylinder 82A and a partition 83A. The partition 83A is disposed inside the annular cylinder 82A to separate the joint body 80A into an inlet chamber 81A and an outlet chamber arranged at intervals along the axial direction. The outlet cavity is located at the top of the partition 83A, the inlet cavity 81A is located at the bottom of the partition 83A, the third interface 62A is arranged at the center of the partition 83A, there are multiple first interfaces 61A, and the plurality of first interfaces 61A surround the third interface 62A set up. A side of the partition 83A close to the inlet cavity 81A is provided with a plurality of ribs 812A, and the bottoms of the plurality of ribs 812A are respectively provided with notches, and the notches form the first interface 61A.

As shown in Figure 1, the structure of the joint body 80A in this embodiment is specifically set as follows, the partition plate 83A is arranged in the annular cylinder 82A and is located in the middle of the annular cylinder 82A, and the inlet chamber 81A and the inlet cavity are formed on both sides of the partition plate 83A. In the outlet cavity, the bottom of the partition 83A is provided with a plurality of ribs 812A, and the plurality of ribs 812A are symmetrically arranged on both sides of the third interface 62A, and communicate with the third interface 62A respectively, wherein the second interface 14A is provided The channel formed by the two ribs 812A on the side wall 811A of the annular cylinder 82A communicates with the third interface 62A.

A filter element is provided at the first interface 61A, which can be a filter, Hypa, or activated carbon, etc., which have filter and adsorption functions. The filter element can not only filter out the dust coming in from the dry air duct 13A, but also can block the moisture from the second interface 14A entering the inlet cavity 81A when it flows to the third interface 62A in the wet suction mode. And make the liquid in the wet gas hang on the filter element, avoiding entering into the dust cup through the first interface 61A.

The multi-way joint also includes a bottom cover, which is arranged at the bottom of the joint body 80A, wherein a filtrate channel is provided on the bottom cover, and the filtrate channel communicates with the inlet cavity 81A through the first interface 61A.

Further, in order to prevent liquid and moisture from entering the dust cup, a bottom cover is also provided at the bottom of the joint body 80A, and an annular filtrate passage is arranged in the bottom cover, so that when the moisture passes through the filtrate passage, the liquid is as far as possible Hang on the pipe wall of the filtrate channel.

This embodiment provides a cleaning device, including a first body assembly 10A and a second body assembly 20A, the first body assembly 10A is provided with a second air inlet 11A and a first air outlet 12A, wherein the first body The assembly 10A is provided with a multi-way joint, the multi-way joint is the above-mentioned multi-way joint, the second suction port 11A communicates with the first interface 61A on the multi-way joint, and the first air outlet 12A communicates with the third port on the multi-way joint. The interface 62A communicates; the second body assembly 20A is detachably connected with the first body assembly 10A, wherein, the second body assembly 20A is provided with a wet air duct 21A, a third air inlet 22A and a second air outlet 23A, and the wet air The channel 21A communicates with the third air intake port 22A and the second air outlet port 23A respectively, wherein the second air outlet port 23A is set corresponding to the position of the second interface 14A, so that after the second body assembly 20A is connected with the first body assembly 10A , so that the second air outlet 23A is connected to the second interface 14A.

The embodiment of the present application also provides a cleaning device, as shown in Figure 2, which includes a dust suction device, the dust suction device is the above-mentioned dust suction device, the cleaning device also includes a second body assembly 20A, the second body assembly 20A and The dust suction device is detachably connected, wherein, the second body component 20A is provided with a wet air channel 21A, a third air inlet 22A and a second air outlet 23A, and the wet air channel 21A is connected to the third air inlet 22A and the second air outlet respectively. The two air outlets 23A are in communication, wherein the second air outlet 23A is set corresponding to the second interface 14A, so that the second air outlet 23A is connected to the second interface 14A after the second body assembly 20A is connected to the dust collection device .

The cleaning equipment in this embodiment provides two modes of dry suction and wet suction. In the dry suction mode, only the dust suction device alone is required to complete it. The vacuuming operation under the suction mode, specifically, in the wet suction mode, the wet air channel 21A is connected with the second interface 14A, and the host 30A is connected with the wet air channel 21A through the second interface 14A, and the wet air is discharged by the generated negative pressure. The gas in the channel 21A is sucked into the main unit 30A.

The second body component 20A is also provided with an inserting protrusion to insert into the second interface 14A after the first body component 10A and the second body component 20A are connected, wherein the second air outlet 23A is arranged on the insertion protrusion to communicate with the second interface 14A.

In this embodiment, when connecting the second air outlet 23A of the wet air duct 21A with the second interface 14A, the second interface 14A needs to be opened first. The specific opening method is that the second body assembly 20A and the first body assembly 10A After snapping, the insertion protrusion will be inserted into the second interface 14A, and the first sealing plate will be pushed away to establish a connection, and the second air outlet 23A is arranged on the insertion protrusion.

The wet air channel 21A includes a liquid suction section 211A, a liquid storage section 212A, and a liquid discharge section 213A. The liquid suction section 211A, the liquid storage section 212A, and the liquid discharge section 213A are connected in sequence. The second body assembly 20A also includes an air duct structure 25A, a storage The liquid tank 50A and the cleaning piece 70A, the liquid discharge section 213A is set on the air duct structure 25A and communicates with the second air outlet 23A; the liquid storage section 212A is set on the liquid storage tank 50A; the liquid suction section 211A is set on the cleaning piece 70A And communicate with the third suction port 22A.

In this embodiment, the structure of the wet air channel 21A is set, which is mainly divided into three sections. Among them, the liquid suction section 211A is arranged on the cleaning part 70A, communicates with the third suction port 22A at the bottom of the cleaning part 70A, and stores liquid. The section 212A is used to store the liquid sucked up by the liquid suction section 211A, wherein the liquid storage tank 50A is detachably arranged on the second body assembly 20A to facilitate the removal of the liquid for pouring, or a pouring tank is provided at the bottom of the liquid storage tank 50A. The liquid port controls the liquid discharge through the switch. The liquid discharge section 213A is actually used to remove moisture, extract the moisture in the liquid storage tank 50A, enter the second interface 14A through the second air outlet 23A, and then discharge it from the third interface 62A. It can prevent moisture from entering into the dust cup 40A to wet the dust cup 40A. Wherein, the cleaning member may be a cleaning function such as a roller brush or a rag.

The air duct structure 25A, the liquid storage tank 50A and the cleaning piece 70A are arranged vertically from high to low. The liquid storage tank 50A is disposed above the cleaning element 70A, the dust suction device is disposed above the liquid storage tank 50A, and the air duct structure 25A is disposed on one side of the dust suction device.

In this embodiment, the layout of the entire cleaning equipment is described. The cleaning equipment in this embodiment is generally placed vertically, and it is tilted according to needs when in use, but it generally remains standing. Surface contact, above the cleaning part 70A is the liquid storage tank 50A, to temporarily store the sucked liquid or wet garbage, the liquid and wet garbage will be stored at the bottom of the liquid storage tank 50A, and the moisture will enter the drain section 213A from the top , wherein the dust suction device is arranged directly above the liquid storage tank 50A, the air duct structure 25A is arranged on one side above the liquid storage tank 50A, and the arrangement of the entire cleaning equipment is arranged sequentially along the height direction.

The bottom of the air duct structure 25A is provided with a docking port 214A, and the docking port 214A is connected to the liquid storage tank 50A, wherein the cross-sectional area of the end of the docking port 214A close to the liquid storage tank 50A is larger than the cross-sectional area of the end of the docking port 214A away from the liquid storage tank 50A and gradually decrease.

In this embodiment, a docking port 214A connected to the exhaust port above the liquid storage tank 50A is provided at the bottom of the air duct structure 25A. The opening on one side of the tank 50A is small, which improves the suction force for moisture, so that the moisture in the liquid storage tank 50A is sucked into the liquid discharge section 213A through the docking port 214A.

The liquid storage section 212A includes a first section and a second section, the first section is connected to the liquid suction section 211A, and the second section is connected to the liquid discharge section 213A, wherein the first section and the second section are both along It is arranged vertically, and a guide section 215A is provided between the first section and the second section to guide the airflow in the first section to the bottom of the second section.

The liquid storage section 212A in the liquid storage tank 50A in this embodiment is provided with two sections, the first section and the second section are arranged in parallel, and both are placed vertically, and the air flow and garbage move upward through the first section, Then it is introduced to the bottom of the second section through the diversion section 215A, and then the air flow rises from the bottom of the second section, wet garbage and liquid will remain at the bottom of the second section, and the second section will separate solids and gases Perform preliminary separation.

The second body assembly 20A is also provided with a second closing member 24A, which is set corresponding to the position of the second suction port 11A on the dust collection device, so that after the second body assembly 20A is connected to the dust collection device , close the second suction port 11A. The second closure 24A includes a sealing plate.

In this embodiment, when the cleaning device is in the wet suction mode, the dry air duct 13A in the dry suction mode will be closed. Specifically, after the second body assembly 20A is connected to the first body assembly 10A, it is set in the second body assembly The sealing plate on 20A will just be closed at the second suction port 11A of the first body assembly 10A, and the second suction port 11A will be blocked. In order to improve the sealing effect, the sealing plate can be made of elastic material, specifically rubber or EVA material and so on.

The embodiment of the present application also provides a dust collection device, as shown in Figure 1, which includes a first body assembly 10A, a main unit 30A, a dry air duct 13A and a dust cup 40A, and the first body assembly 10A is provided with a first air suction The port 14A, the second air inlet 11A and the first air outlet 12A, the first air inlet 14A, the second air inlet 11A and the first air outlet 12A communicate with each other, and the first air inlet 14A can be opened and closed. Setting; the host 30A is set on the first body assembly 10A; the dry air duct 13A is set on the first body assembly 10A, wherein the dry air duct 13A communicates with the second suction port 11A and the host 30A respectively; the dust cup 40A is set on Dry air duct 13A.

The traditional dust collection device does not have the function of being used in combination with other dust collection devices. The dust collection device that sucks dry garbage will affect its dust collection effect after absorbing wet garbage. In order to make the dust collection device suitable for different use environments, this In the embodiment, a device is designed that can perform dry suction, and can also be docked with other devices to provide power for wet suction, which is more diversified and versatile. Specifically, the dust suction device in this embodiment has a A first suction port 14A for docking with other dust collection devices, the first suction port 14A communicates with the host 30A, when the first suction port 14A is docked with other dust collection devices, the host 30A can provide power, After docking with the dust collection device for absorbing garbage or liquid, the moisture will be sucked into the main machine 30A through the first air suction port 14A, and then discharged through the first air outlet port 12A, thereby enriching the use of the dust collection device in this embodiment and being able to Docking different vacuum equipment, more versatile.

This embodiment provides a multi-way joint, as shown in Figure 1, which includes a joint body 80A, the joint body 80A is provided with an inlet cavity 81A and an air outlet cavity, and the joint body 80A is also provided with a first interface, a first suction The air port 14A and the third interface, wherein the inlet cavity 81A and the air outlet cavity are connected through the third interface, the first interface is set at the bottom of the joint body 80A and communicates with the inlet cavity 81A, and the first suction port 14A is set at the joint body The side wall 811A of 80A communicates with the inlet cavity 81A.

The joint body 80A in this embodiment is mainly used in dust collection equipment, and the joint body 80A is arranged in the dust collection equipment to connect with different channels, which solves the problem that the dust collection equipment cannot be docked to convert multiple air paths in the prior art. The versatility of the dust collection equipment is improved. Specifically, the joint body 80A is provided with a first suction port 14A on the side wall 811A to connect with the wet air duct 21A, and a first interface is provided at the bottom to connect with the dry air. The duct 13A and the third interface communicate with the first air inlet 14A and the first interface, so as to discharge the gas in the dry air duct 13A and the wet air duct 21A through the third interface.

The first air inlet 14A protrudes from the outer side of the side wall 811A. The first closing member is movably disposed at the first suction port 14A to open or close the first suction port 14A. The end of the first suction port 14A is provided with a limiting frame, and the first sealing member includes a first sealing plate and a torsion spring, and the first sealing plate is rotatably arranged in the first suction port 14A; the torsion spring is arranged on the first The air suction port 14A is connected to the first sealing plate to drive the first sealing plate to abut against the limit frame to close the first air suction port 14A.

In order to conveniently set the first suction port 14A in a form that can be opened and closed, a protruding first suction port 14A is also provided on the outside of the annular cylinder 82A. In the port 14A, the first suction port 14A14A in this embodiment adopts a normally closed setting. Specifically, the first suction port 14A14A is provided with a torsion spring and a first sealing plate, and the torsion spring applies a flipping drive to the first sealing plate. Force, so that the first sealing plate is close to the limit frame to close the first suction port 14A14A, and the first sealing plate can be flipped open to the inside of the first suction port 14A14A. When the first suction port 14A14A needs to be opened, It is necessary to give the first sealing plate a driving force toward the inside of the first suction port 14A14A, so as to push the first sealing plate away.

The joint body 80A includes an annular cylinder 82A and a partition 83A. The partition 83A is disposed inside the annular cylinder 82A to separate the joint body 80A into an inlet cavity 81A and an air outlet cavity arranged at intervals along the axial direction. The air outlet chamber is located on the top of the partition 83A, the inlet chamber 81A is located at the bottom of the partition 83A, the third interface is set at the center of the partition 83A, there are multiple first interfaces, and the multiple first interfaces are arranged around the third interface. A side of the partition 83A close to the inlet 81A is provided with a plurality of ribs 812A, and the bottoms of the plurality of ribs 812A are respectively provided with notches, and the notches form a first interface.

As shown in Figure 2, the structure of the joint body 80A in this embodiment is specifically set as follows, the partition plate 83A is arranged in the annular cylinder 82A and is located in the middle of the annular cylinder 82A, forming the inlet chamber 81A and the two sides of the partition plate 83A like this. In the air outlet chamber, a plurality of ribs 812A are arranged at the bottom of the partition 83A, and the plurality of ribs 812A are symmetrically arranged on both sides of the third interface, and communicate with the third interface respectively, wherein the first air inlet 14A The channel provided on the side wall 811A of the annular cylinder 82A is also communicated with the third interface through the channel formed by the two ribs 812A.

A filter is provided at the first interface. The filter screen can not only filter out the dust coming in from the dry air duct 13A, but at the same time, the filter screen can also block the moisture from the first suction port 14A entering the inlet cavity 81A when it flows to the third port in the wet suction mode. , and make the liquid in the wet gas hang on the filter net to avoid entering the dust cup through the first interface.

The multi-way joint also includes a bottom cover, which is arranged at the bottom of the joint body 80A, wherein a filtrate channel is provided on the bottom cover, and the filtrate channel communicates with the inlet cavity 81A through the first interface.

Further, in order to prevent liquid and moisture from entering the dust cup, a bottom cover is also provided at the bottom of the joint body 80A, and an annular filtrate channel is arranged in the bottom cover, so that when the moisture passes through the filtrate channel, the liquid can be separated as much as possible. hanging on the wall of the filtrate channel.

As shown in Figure 2, in this embodiment, a multi-way joint 60A is provided in the housing of the first body assembly 10A. The multi-way joint 60A adopts the three-way principle, and the third interface 62A is arranged above the multi-way joint 60A. An interface 61A is set under the multi-way joint 60A, and the first air suction port 14A is set on the side of the multi-way joint 60A, where the first interface 61A communicates with the dry air duct 13A to discharge the gas in the dry air duct 13A , the first air inlet 14A is used to communicate with the wet air duct 21A to discharge the gas in the wet air duct 21A.

The embodiment of the present application also provides a cleaning device, as shown in Figure 1, which includes a dust collection device, the dust collection device is the above-mentioned dust collection device, and the dust collection device also includes a second body assembly 20A, the second body assembly 20A It is detachably connected with the dust collection device, wherein, the second body assembly 20A is provided with a wet air duct 21A, a third air suction port 22A and a second air outlet 23A, and the wet air duct 21A is connected with the third air suction port 22A and the second air outlet respectively. The second air outlet 23A communicates, wherein the second air outlet 23A is set corresponding to the first air suction port 14A, so that after the second body assembly 20A is connected to the dust suction device, the second air outlet 23A is connected to the first suction port 14A. The air port 14A is connected.

The dust suction device in this embodiment provides two modes of dry suction and wet suction. In the dry suction mode, only the dust suction device can be completed alone. In the wet suction mode, the dust suction device can be connected to the second body assembly 20A. The vacuuming operation under the wet suction mode, specifically, in the wet suction mode, the wet air duct 21A communicates with the first air suction port 14A, and the host 30A communicates with the wet air duct 21A through the first air suction port 14A, and passes the generated The negative pressure sucks the air in the wet air duct 21A into the host 30A.

The second body assembly 20A is also provided with an insertion protrusion to insert into the first suction port 14A after the first body assembly 10A and the second body assembly 20A are connected, wherein the second air outlet 23A is arranged on the insertion protrusion. Lift up to communicate with the first suction port 14A.

In this embodiment, when connecting the second air outlet 23A of the wet air duct 21A with the first air inlet 14A, it is necessary to first open the first air inlet 14A. The specific opening method is that the second body assembly 20A and the first air inlet After a body assembly 10A is clamped, the insertion protrusion will be inserted into the first air suction port 14A, and the first sealing plate will be pushed away to establish a connection, and the second air outlet 23A is set on the insertion protrusion.

In this embodiment, the structure of the wet air channel 21A is set, which is mainly divided into three sections. Among them, the liquid suction section 211A is arranged on the cleaning part 70A, communicates with the third suction port 22A at the bottom of the cleaning part 70A, and stores liquid. The section 212A is used to store the liquid sucked up by the liquid suction section 211A, wherein the liquid storage tank 50A is detachably arranged on the second body assembly 20A to facilitate the removal of the liquid for pouring, or a pouring tank is provided at the bottom of the liquid storage tank 50A. The liquid port controls the liquid discharge through the switch. The liquid discharge section 213A is actually used to remove moisture, extract the moisture in the liquid storage tank 50A, and then enter the first air suction port 14A through the second air outlet 23A, and then from the third interface 62A Discharging can prevent moisture from entering into the dust cup 40A to wet the dust cup 40A.

The air duct structure 25A, the liquid storage tank 50A and the cleaning piece 70A may be arranged vertically from high to low. The liquid storage tank 50A is disposed above the cleaning element 70A, the dust suction device is disposed above the liquid storage tank 50A, and the air duct structure 25A is disposed on one side of the dust suction device.

In this embodiment, the layout of the entire dust collection device is introduced. The dust collection device in this embodiment is generally placed vertically, and it is tilted according to the need when in use, but it generally remains standing. The cleaning part 70A is arranged at the bottom end to In contact with the cleaning surface, the cleaning part 70A is above the liquid storage tank 50A to temporarily store the sucked up liquid or wet garbage. The liquid and wet garbage will be stored at the bottom of the liquid storage tank 50A, and the moisture will enter from the top into the drain Segment 213A, wherein the dust suction device is arranged directly above the liquid storage tank 50A, the air duct structure 25A is arranged on one side above the liquid storage tank 50A, and the entire dust collection equipment is arranged sequentially along the height direction.

The bottom of the air duct structure 25A is provided with a docking port 214A, and the docking port 214A is connected to the liquid storage tank 50A, wherein the cross-sectional area of the end of the docking port 214A close to the liquid storage tank 50A is larger than the cross-sectional area of the end of the docking port 214A away from the liquid storage tank 50A and has a shape of Decrease the setting gradually.

In this embodiment, when the dust suction device is in the wet suction mode, the dry air duct 13A in the dry suction mode will be closed. Specifically, after the second body assembly 20A is connected to the first body assembly 10A, it is set in the second body The sealing plate on the component 20A will just be closed at the second air intake port 11A of the first body assembly 10A to block the second air intake port 11A. In order to improve the sealing effect, the sealing plate is made of elastic material, specifically rubber or EVA material and so on.

As shown in Figures 3 and 4, the cleaning device includes a body assembly 10B, a drainage assembly 20B, a cleaning assembly 30B and a suction device 40B, and the body assembly 10B has an exhaust air duct 11B and an air outlet 12B communicating with the exhaust air duct 11B A part of the drainage assembly 20B is located in the exhaust air duct 11B, the drainage assembly 20B has a condensation surface and a flow guide part, the condensation surface is arranged towards the windward side of the exhaust air duct 11B, and the vapor liquid condensed on the condensation surface flows down through the flow guide part; The cleaning assembly 30B is connected with the body assembly 10B, the cleaning assembly 30B has a suction port, and the guide part communicates with the cleaning assembly 30B; the suction device 40B is arranged on the body assembly 10B, and the suction device 40B communicates with the outside through the suction port, and the suction device 40B passes through The air outlet 12B is exhausted.

By placing a part of the drainage assembly 20B in the exhaust air duct 11B, and at the same time connecting the other part of the drainage assembly 20B with the cleaning assembly 30B, the drainage assembly 20B located in the exhaust air duct 11B plays a role in blocking the steam. The action of the liquid makes the liquid in the vapor-liquid adhere to the drainage assembly 20B, and flows into the cleaning assembly 30B along the drainage assembly 20B under its own gravity, while the gas in the vapor-liquid bypasses the drainage assembly 20B and passes through the drainage assembly 20B. The air outlet 12B is discharged, and the moisture in the gas discharged from the air outlet 12B is reduced as much as possible, thereby preventing the vapor and liquid from wetting the body assembly 10B, and also avoids wetting the surrounding environment of the body assembly 10B, which is conducive to improving the user's awareness of cleaning equipment Good user experience.

As shown in FIG. 3 , the body assembly 10B has a first area and a second area that are connected, wherein the first area is located above the second area, the exhaust air channel 11B is located in the first area, and the air outlet 12B is located in the first area. at the first area. The suction device 40B is disposed at the position where the body assembly 10B has the first area, and the suction device 40B has an air outlet 42B, and the air outlet 42B communicates with the exhaust air duct 11B. In this way, ensure that the air outlet 42B of the suction device 40B is close enough to the air outlet 12B, so as to ensure that the air outlet 12B can discharge air immediately.

As shown in FIG. 3 , above the dotted line B represents the first region, and below the dotted line B represents the second region.

As shown in Figures 3 and 4, the drainage assembly 20B includes a liquid blocking structure 21B, which can be a liquid blocking plate, a liquid blocking groove, or a liquid blocking protrusion, etc., and the liquid blocking structure 21B is arranged on the exhaust air duct 11B Inside, and opposite to the air outlet 42B, the surface of the liquid blocking structure 21B facing the air outlet 42B is a condensation surface, and a flow channel is formed between the liquid blocking structure 21B and the air channel wall of the exhaust air channel 11B; the guide part Including a diversion pipeline 22B, the diversion pipeline 22B is arranged in the second area, the first end of the diversion pipeline 22B communicates with the liquid blocking structure 21B, and the second end of the diversion pipeline 22B communicates with the cleaning assembly 30B. In this way, the condensing surface of the liquid blocking structure 21B plays the role of effectively shielding part of the vapor and liquid, so that the vapor and liquid attached to the condensing surface can flow to the diversion pipeline 22B, and flow to the cleaning assembly 30B through the diversion pipeline 22B, wherein , The diversion part can also be a diversion groove, a diversion surface, etc., which have a structure that guides the flow of vapor and liquid.

As shown in Figure 4, the drainage assembly 20B also includes a receiving structure 23B, the receiving structure 23B is located below the liquid blocking structure 21B, and the receiving structure 23B is used to receive the liquid flowing down from the liquid blocking structure 21B, the receiving structure 23B can be a groove, The receiving plate and the like have a structure for receiving and guiding liquid, and the receiving structure 23B has a drainage end, and the receiving structure 23B communicates with the diversion pipeline 22B through the drainage end. In this way, the receiving structure 23B plays a role of receiving the liquid in the vapor-liquid flowing down the condensing surface, preventing the liquid from flowing to other parts of the body assembly 10B, and the drainage end of the receiving structure 23B plays a role in draining the liquid, ensuring that the liquid can flow along the Flow into the diversion pipeline 22B through the drainage end.

As shown in FIG. 4, the liquid blocking structure 21B includes a plurality of liquid blocking plates 211B, and the plurality of liquid blocking plates 211B are arranged in the exhaust air duct 11B at intervals, and each liquid blocking plate 211B is connected to the exhaust air duct 11B. The walls of the air duct are arranged with gaps to form flow passages. In this way, the plurality of liquid baffles 211B play a multiple condensation role for vapor and liquid, ensuring that the water content in the gas discharged from the air outlet 12B is relatively low; There is a gap between the channel walls to ensure that the wind can be discharged from the air outlet 12B in time along the flow channel.

As shown in FIG. 4 , at least two adjacent liquid baffles 211B among the plurality of liquid baffles 211B are arranged with gaps between different air passage walls of the exhaust air passage 11B. In this way, it is ensured that the flow channel can extend in a "serpentine" manner, so as to ensure that the vapor and liquid can be effectively condensed on the condensation surfaces of the liquid baffles 211B when the wind passes through the liquid baffles 211B.

As shown in FIG. 3 , the cleaning device further includes a box body 50B. The box body 50B is arranged on the body assembly 10B and communicated with the suction port. The suction device 40B sucks fluid into the box body 50B through the suction port. In this way, the box body 50B serves to collect fluid, solid-liquid mixture, and dirt on the surface to be cleaned.

As shown in Figure 3, the box body 50B is arranged at the position where the body assembly 10B has a second area, and the body assembly 10B also has an air inlet duct 15B, and one end of the air inlet duct 15B communicates with the box body 50B, and the air inlet duct 15B The other end of 15B communicates with the air inlet of the suction device 40B. In this way, the suction reliability of the suction device 40B is ensured.

As shown in Figure 3, the cleaning equipment also includes a dust cup assembly 60B, the dust cup assembly 60B is arranged on the body assembly 10B, and is located between the suction device 40B and the box body 50B, the dust cup assembly 60B communicates with the suction device 40B, and the dust Both the cup assembly 60B and the suction device 40B are detachably mounted on the body assembly 10B. In this way, when the user needs to suck dust, he only needs to disassemble the whole body composed of the dust cup assembly 60B and the suction device 40B from the body assembly 10B, so as to ensure that the cleaning equipment can not only perform dry suction work, but also suck dirty fluid on the surface to be cleaned. , so that the cleaning equipment has multiple functions.

As shown in Figures 5 to 8, the cleaning equipment includes a body assembly 10B, a first box body 80B, and a suction device 40B, wherein the body assembly 10B has an exhaust air duct 11B and an air intake duct 15B that are independently arranged, and is connected with the exhaust air duct 11B. The exhaust outlet connected to the air duct 11B; at least a part of the first box body 80B is arranged in the exhaust air duct 11B, the first box body 80B has a condensation surface, and the condensation surface is arranged towards the windward side of the exhaust air duct 11B, To block part of the vapor and liquid; the suction device 40B is arranged on the body assembly 10B, the suction device 40B communicates with the outside through the air inlet duct 15B, and the suction device 40B exhausts through the air outlet.

By arranging the first box body 80B in the exhaust air duct 11B, the first box body 80B can play the role of blocking vapor and liquid, so that the liquid in the vapor liquid adheres to the first box body 80B, and Under the action of gravity, it flows into the cleaning assembly 30B along the first box body 80B, while the gas in the vapor and liquid bypasses the first box body 80B and is discharged through the air exhaust port, so as to reduce the concentration of the gas discharged from the air exhaust port as much as possible. moisture, thereby avoiding the vapor and liquid from wetting the body assembly 10B, and also avoiding the surrounding environment of the body assembly 10B, which is beneficial to improving the user's good impression of the cleaning device experience.

As shown in FIG. 6 , the exhaust air channel 11B is extended along the height direction of the body assembly 10B, and the air outlet is located below the body assembly 10B. In this way, while making full use of the body assembly 10B, it is also conducive to the miniaturization design of the body assembly 10B. In addition, since the air outlet is located below the body assembly 10B, the wind carrying vapor and liquid travels in the exhaust air duct 11B. The path is longer, so that part of the vapor and liquid in the wind can adhere to the air duct wall of the exhaust air duct 11B and flow to the cleaning assembly 30B through the liquid passage hole under the action of gravity.

Optionally, the air exhaust outlets are arranged on both sides of the air exhaust duct 11B in the forward direction of the cleaning equipment. In this way, the wind discharged from the air outlet can avoid the user as much as possible, thereby preventing the wind blown from the air outlet from blowing directly to the user.

Optionally, there are multiple air outlets, and the multiple air outlets are arranged on the exhaust air duct 11B at intervals. In this way, it is ensured that the wind can be discharged through multiple air outlets in time.

As shown in Figure 6, the exhaust air duct 11B includes a first air duct section 111B and a second air duct section 11B2, wherein the first end of the first air duct section 111B communicates with the air outlet of the suction device 40B; The duct section 11B2 is located below the first air duct section 111B, and the second air duct section 11B2 communicates with the second end of the first air duct section 111B, and the air outlet is provided on the second air duct section 11B2. In this way, the first air duct section 111B is tubular, the second air duct section 11B2 utilizes the housing part of the body assembly 10B, and the air outlet is provided on the housing of the body assembly 10B located in the second air duct section 11B2.

As shown in Figure 7, the first air duct section 111B includes a first sub-air duct section 1111B and two second sub-air duct sections 1112B, the first end of the first sub-air duct section 1111B communicates with the air outlet of the suction device 40B , the two second sub-air duct sections 1112B are arranged in parallel, and one end of the two second sub-air duct sections 1112B communicates with the second end of the first sub-air duct section 1111B, and the two second sub-air duct sections The other ends of 1112B are in communication with the second air duct section 11B2.

Optionally, the cleaning device includes two sets of air outlet groups, which are provided in one-to-one correspondence with the two second air duct sections 11B2, and the same group of air outlet groups includes multiple air outlet groups.

Optionally, two second sub-air passage sections 1112B are arranged at intervals, and at least a part of the air inlet air passage 15B is arranged between the two second sub-air passage sections 1112B.

As shown in FIG. 6 , the second sub-air duct section 1112B extends downward along the height direction of the body assembly 10B in turn, then extends in a downwardly inclined direction, and finally extends downward along the height direction of the body assembly 10B.

As shown in Figure 5 and Figure 6, the cleaning equipment also includes a cleaning assembly 30B, the cleaning assembly 30B is connected to the body assembly 10B, and the cleaning assembly 30B has a suction port, the first box body 80B communicates with the cleaning assembly 30B, and the exhaust air duct 11B A liquid passage hole is arranged on the top, and the liquid passage hole communicates with the cleaning assembly 30B.

As shown in FIG. 5 and FIG. 6 , the cleaning assembly 30B is disposed at one end of the body assembly 10B, and the second box 90B is located at the bottom of the body assembly 10B and is disposed close to the cleaning assembly 30B. In this way, by rationally optimizing the positions of the second box 90B and the cleaning assembly 30B, it is ensured that the dirty fluid sucked by the suction port of the cleaning assembly 30B can directly enter the second box 90B, ensuring the reliability of the cleaning device.

As shown in Figure 5 and Figure 6, the cleaning equipment also includes a second box 90B, the second box 90B is arranged on the body assembly 10B and below the suction device 40B, the second box 90B communicates with the suction port, the suction device 40B draws fluid into the second tank 90B through the suction port. In this way, the second tank 90B functions to store dirty fluid on the ground.

Optionally, the air inlet duct 15B is set independently from the exhaust air duct 11B, one end of the air inlet duct 15B communicates with the second box 90B, and the other end of the air inlet duct 15B communicates with the air inlet of the suction device 40B. In this way, the suction reliability of the suction device 40B is ensured.

As shown in Figure 5 and Figure 6, the cleaning equipment also includes a dust cup assembly 60B, the dust cup assembly 60B is arranged on the body assembly 10B, and is located between the suction device 40B and the second box 90B, the dust cup assembly 60B and the suction device 40B is connected, and the dust cup assembly 60B and the suction device 40B can be detachably installed on the body assembly 10B. In this way, when the user needs to dry vacuum, that is, when vacuuming dust, the user only needs to disassemble the whole body composed of the dust cup assembly 60B and the suction device 40B from the body assembly 10B, and then the dust suction operation can be performed to ensure the cleanliness provided by the application. The device can have two functions of dust suction and fluid suction.

As shown in FIG. 5 , the cleaning device further includes a handle assembly 70B. The handle assembly 70B is disposed on the end of the body assembly 10B away from the cleaning assembly 30B. The handle assembly 70B is held by the user. In this way, user convenience is ensured.

In addition, it should be noted that the technical details mentioned in one of the above embodiments are still valid in other embodiments, and will not be repeated here to reduce repetition.

Claims

A multi-way joint is characterized in that it comprises:

A joint body, the joint body is provided with an inlet cavity and an outlet cavity, and the joint body is also provided with a first interface, a second interface and a third interface, wherein the inlet cavity and the outlet cavity pass through the The third interface communicates, the first interface is arranged on the bottom of the joint body and communicates with the inlet cavity, and the second interface is arranged on the side wall of the joint body and communicates with the inlet cavity.
The multi-way joint according to claim 1, wherein the second interface protrudes from the outer side of the side wall.
The multiway joint according to claim 1, wherein the multiway joint further comprises:

A first closing part, the first closing part is movably arranged at the second interface to open or close the second interface.
The multi-way joint according to claim 3, wherein a limiting frame is provided at the end of the second interface, and the first closing member comprises:

a first sealing plate, the first sealing plate is rotatably arranged in the second interface;

a torsion member, the torsion member is arranged in the second interface and is drivingly connected to the first sealing plate, so as to drive the first sealing plate to abut against the limiting frame to close the second interface closure.
The multi-way joint according to claim 1, wherein the joint body includes an annular cylinder and a partition, and the partition is arranged inside the annular cylinder to partition the joint body into The inlet and outlet are arranged at intervals.
The multi-way joint according to claim 5, wherein the outlet cavity is located at the top of the partition, the inlet cavity is located at the bottom of the partition, and the third interface is arranged on the partition In the center of the center, there are multiple first interfaces, and the multiple first interfaces are arranged around the third interface.
The multi-way joint according to claim 6, wherein a plurality of ribs are provided on the side of the partition close to the inlet, the bottoms of the plurality of ribs are respectively provided with notches, and the notches The first interface is formed.
The multi-way joint according to claim 1, wherein a filter element is provided at the first interface.
The multiway joint according to claim 1, wherein the multiway joint further comprises:

A bottom cover, the bottom cover is arranged at the bottom of the joint body, wherein a filtrate channel is provided on the bottom cover, and the filtrate channel communicates with the inlet cavity through the first interface.
A cleaning device, characterized in that it comprises:

The first body assembly, the first body assembly is provided with a second air inlet and a first air outlet, wherein, the first body assembly is provided with a multi-way joint, and the multi-way joint is claimed in claim 1 to The multi-way joint described in any one of 9, the second suction port communicates with the first interface on the multi-way joint, and the first interface communicates with the third interface on the multi-way joint;

The second body component is detachably connected to the first body component, wherein the second body component is provided with a wet air duct, a third air inlet and a second air outlet, so The wet air duct communicates with the third air inlet and the second air outlet respectively, wherein the second air outlet is set correspondingly to the second interface, so that the second body component and the second air outlet After the first body component is connected, the second air outlet is connected to the second interface.