CN216060371U

CN216060371U - Dirt collecting device for cleaning machine and cleaning machine

Info

Publication number: CN216060371U
Application number: CN202122051197.XU
Authority: CN
Inventors: 王彦荣; 李德来; 宋宗建; 张金京; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2022-03-18
Anticipated expiration: 2031-08-26

Abstract

The utility model relates to a dirt collecting device for a cleaning machine and the cleaning machine, wherein the dirt collecting device for the cleaning machine comprises a shell, wherein a cavity and an air outlet channel are arranged in the shell, the cavity is provided with an air inlet, the air outlet channel is provided with a vent communicated with the cavity, and the air outlet channel is positioned at the downstream of the air inlet along a fluid flow path; the filtering piece is arranged in the air outlet channel and is used for filtering dust; the method is characterized in that: the top wall of the air outlet channel is provided with a flow guide piece extending downwards at a position close to the vent, a flow guide channel for guiding fluid into the air outlet channel is at least formed between the flow guide piece and the peripheral edge of the vent, and the flow guide channel is positioned at the upstream of the filter piece along a fluid flow path. The amount of water vapor entering the subsequent filter piece is reduced to a great extent, and the service life of the filter piece is prolonged.

Description

Dirt collecting device for cleaning machine and cleaning machine

Technical Field

The utility model belongs to the field of household washing and cleaning, and particularly relates to a dirt collecting device for a cleaning machine and the cleaning machine.

Background

At present, a cleaner is a dust collector or a sweeper, the dust collector or the sweeper sucks a mixture of dust mixed with water vapor on the bottom surface and the like into an inner cavity of the cleaner, and in order to separate the mixture of dust particles and the water vapor, separated sewage and garbage are stored in a sewage tank.

For example, the patent application No. ZL201921208546.0 (publication No. CN210612041U) of the vortex filtering and separating system and sweeping robot and equipment of the chinese utility model discloses a vortex filtering and separating system, which includes a filtering structure having a vortex passage chamber, a dust box structure embedded with the filtering structure, a gauze support for connecting the filtering structure and the dust box structure, and a hypar support installed on the dust box structure; the dust box structure is provided with an installation cavity, a dust cavity communicated with the installation cavity, an air inlet communicated with the installation cavity and an air outlet communicated with the dust cavity; the gauze support is provided with a gauze, and the HEPA support is provided with a HEPA; the filtering structure is arranged in the installation cavity, and the vortex channel cavity comprises a starting end, a tail end and a plurality of outlets positioned between the starting end and the tail end; the starting end of the vortex channel cavity is connected with the air inlet, the outlet of the vortex channel cavity is connected with the dust cavity through the gauze support, and the tail end of the vortex channel cavity is connected with the dust cavity. The cleaner vortex channel in the above-mentioned patent has realized separating the mixture of dust particulate matter, steam, and the sewage after the separation is stored to dirt box (dirty device of collection), but, vortex channel separation can have the not thorough condition of separation, and at this moment, partial sewage deposit is to in the dirt box, and partial steam finally arrives the filter screen and collects on the filter screen, in long-term use, can cause the filter screen to go mildy and the pressure drop of filter screen increases to the performance of cleaning machine has been reduced.

Therefore, further improvements to the existing dirt collecting device of the washing machine are required.

SUMMERY OF THE UTILITY MODEL

The first technical problem to be solved by the present invention is to provide a dirt collecting device for a cleaning machine, which improves the water-vapor separation capability, in view of the above-mentioned current state of the art.

A second technical problem to be solved by the present invention is to provide a cleaning machine which is sucked into a dirt collecting device by an air flow.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a dirty device of collection for cleaning machine, including

The air outlet channel is provided with a vent communicated with the cavity, and the air outlet channel is positioned at the downstream of the air inlet along a fluid flow path;

the filtering piece is arranged in the air outlet channel and is used for filtering dust;

the method is characterized in that: the top wall of the air outlet channel is provided with a flow guide piece extending downwards at a position close to the vent, a flow guide channel for guiding fluid into the air outlet channel is at least formed between the flow guide piece and the peripheral edge of the vent, and the flow guide channel is positioned at the upstream of the filter piece along a fluid flow path.

The fluid that gets into behind the vent contacts with the water conservancy diversion spare at first, because fluidic ke yan reaches adherence effect to realize assembling of steam under the effect of gravity, assemble the lower extreme of water conservancy diversion spare gradually, can drop to holding the chamber when the volume of steam reaches a certain amount in-process, accomplish the collection of steam, the reduction of to a great extent steam gets into the volume of follow-up filter piece.

In order to increase the contact area of the flow guide piece and water, the cross section of the flow guide piece is gradually reduced from top to bottom.

The air guide piece can be directly formed on the top wall of the shell or can be detachably mounted, but preferably, an opening is formed in the top wall of the shell, and the air guide piece is mounted at the opening and is partially positioned in the air outlet channel. Therefore, the installation of the flow guide piece is convenient to realize.

The structure of the flow guiding member is various, but preferably, the flow guiding member comprises a connecting part capable of blocking the opening and a flow guiding part arranged below the connecting part, the whole flow guiding part is conical, and the flow guiding channel is formed between the part of the outer peripheral surface of the flow guiding part and the corresponding position of the vent. The flow guide part can also adopt wedge-shaped, triangular and other structural forms.

The air outlet channel can be located on the peripheral side of the cavity, can also be completely located above the cavity, and can also be locally located above the cavity. In addition, the flow guide piece can also be positioned on the peripheral side of the vent,

the projection of the flow guide piece along the vertical direction can be eccentrically arranged in the vent hole and can also be positioned in the center of the vent hole, but preferably, the projection of the flow guide piece along the vertical direction on the plane of the vent hole is positioned in the center of the vent hole. Thus, the sewage accumulated on the flow guide element completely falls into the containing cavity.

Preferably, the baffle is located partially below the vent. Furthermore, the baffle may also be located completely above the vent.

In order to increase the separation of the mixed fluid entering from the air inlet, the periphery of the ventilation opening extends downwards to form a flow passage, and a gap is reserved between the bottom edge of the flow passage and the bottom wall of the cavity.

In order to facilitate the disassembly and assembly of the shell, the shell comprises a bottom shell with an open top and a cover body covering the open top of the bottom shell, the cavity is formed between the cover body and the bottom shell in a surrounding mode, and the air outlet channel is formed in the cover body in a hollow mode.

In order to accelerate the fluid entering from the air inlet, an air inlet channel for supplying air to enter the containing cavity tangentially is arranged on the bottom shell, and the inlet of the air inlet channel is the air inlet.

Preferably, the air inlet channel comprises a straight section and a contraction section which are sequentially arranged along the airflow flow path, the cross-sectional area of the straight section is equal everywhere, and the cross-sectional area of the contraction section is gradually reduced along the airflow flow path.

In order to separate the fluid flowing in through the air inlet channel in the accommodating cavity in a cyclone manner, the cross section of the bottom shell is oval, and the air inlet channel is positioned on the side wall of the shell.

The technical scheme adopted by the utility model for solving the second technical problem is as follows: a cleaning machine having the dirt collecting device defined in any one of claims to, characterized in that: the air outlet device also comprises a fan, wherein the fan is arranged at the outlet of the air outlet channel and is positioned at the downstream of the filter element along the fluid flow path.

Compared with the prior art, the utility model has the advantages that: this an air-out passageway that is arranged in dirty device of collection of cleaner sets up water conservancy diversion spare, the existence of water conservancy diversion spare, on the one hand to carrying out the water conservancy diversion to the fluid that flows in through the vent, on the other hand, the fluid after the entering vent at first contacts with the water conservancy diversion spare, because fluidic ke en reaches the adherence effect, and realize assembling of steam under the effect of gravity, assemble the lower extreme of water conservancy diversion spare gradually, the volume when steam reaches a certain amount in-process and can drop to holding the chamber, accomplish the collection of steam, the separating power of steam has been improved, the reduction of very big degree the quantity that steam gets into follow-up filtration piece, the life of filtering piece has been prolonged.

Drawings

FIG. 1 is a schematic structural view of a dirt collecting device according to this embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic perspective exploded view of FIG. 1;

FIG. 4 is a schematic view of the baffle of FIG. 1;

fig. 5 is a partial structural schematic view of the cleaning machine of the present embodiment.

Detailed Description

The utility model is described in further detail below with reference to the accompanying examples.

As shown in fig. 5, the cleaning machine of the present embodiment is a sweeper. The cleaning machine comprises a housing, a dirt collecting device, a brush head module (not shown) for sweeping the object to be cleaned, and a fan 4. The dirt collecting device is positioned in the shell, and the bottom of the shell is provided with a mouth part for exposing part of the brush head module. The dirt collecting device can separate the mixed airflow. Along the fluid flow path, the dirt collection device is located between the brushhead module, which is located upstream of the dirt collection device, and the fan 4. The air inlet of the dirt collecting device is communicated with the outlet of the brush head module, and the outlet of the dirt collecting device is communicated with the inlet of the fan 4. Under fan 4's effect, can make brush head module and the dirty device of collection form the negative pressure to with rubbish such as dust, water in the dust absorption mouth suction brush head module of brush head module, will separate the back through the dirty device of collection afterwards, most deposit in the bottom of the appearance chamber 100 of the dirty device of collection, the gaseous emission after the separation.

As shown in fig. 1 to 4, the dirt collecting device includes a housing 1, a flow guide member 2 and a filter member 3.

As shown in fig. 3, the casing 1 includes a bottom case 11 with an open top and a cover 12 covering the open top of the bottom case 11, in a state that the cover 12 covers the bottom case 11, a cavity 100 is defined between the cover 12 and the bottom case 11, an air outlet channel 101 is formed in the cover 12, and the air outlet channel 101 is partially located above the cavity 100. The fan 4 is installed at the outlet of the air outlet channel 101. The filter member 3 is disposed in the air outlet passage 101 for filtering dust, and the filter member 3 in this embodiment is a filter screen located upstream of the fan 4 along the fluid flow path.

As shown in fig. 1 and 2, the cross section of the bottom case 11 is oval, an air inlet channel 111 for allowing air to enter the cavity 100 tangentially is disposed on the side wall of the housing 1, an inlet of the air inlet channel 111 is an air inlet 1001 in fluid communication with the cavity 100, and the air outlet channel 101 is located downstream of the air inlet 1001 along a fluid flow path. The air intake channel 111 includes a straight section 1111 and a convergent section 1112 sequentially arranged along the airflow path, wherein the cross-sectional area of the straight section 1111 is equal everywhere, and the cross-sectional area of the convergent section 1112 is gradually reduced along the airflow path. Therefore, the fluid entering from the air inlet forms cyclone along the peripheral wall of the containing cavity after being accelerated by the air inlet channel, and the mixture of dust particles, garbage and water vapor is separated in the containing cavity.

As shown in fig. 1 and fig. 2, a vent 102 communicating the air outlet channel 101 with the cavity 100 is formed on the bottom wall of the cover 12, a flow channel 103 is formed by extending a peripheral edge of the vent 102 downward, and a gap 02 is left between a bottom edge of the flow channel 103 and the bottom wall of the cavity 100. The top wall of the cover 12 is provided with a downwardly extending flow guide element 2 at a position corresponding to the vent 102, specifically, the top wall of the cover 12 of the housing 1 is provided with an opening 103, and the flow guide element 2 is installed at the opening 103 and is partially located in the air outlet channel 101 and is partially located below the vent 102. Specifically, the projection of the baffle member 2 in the vertical direction on the plane of the vent opening 102 is located at the center of the vent opening 102.

As shown in fig. 4, the flow guiding member 2 includes a connecting portion 21 capable of blocking the opening 103 and a flow guiding portion 22 disposed below the connecting portion 21, and the flow guiding portion 22 is integrally tapered, so that the cross section of the flow guiding member 2 is gradually reduced from top to bottom. Furthermore, a flow guide channel 01 for guiding the fluid into the air outlet channel 101 is formed between a part of the outer peripheral surface of the flow guide portion 22 and a corresponding position of the vent 102, and the flow guide channel 01 is located upstream of the filter member 3 along the fluid flow path. In order to facilitate the assembly and disassembly of the diversion member 2, a handle portion 211 is disposed on the top surface of the connection portion 21 of the diversion member 2 for easy operation.

The fluid that gets into behind vent 102 contacts with the water conservancy diversion spare at first, because fluidic ke yan reaches the adherence effect to realize gathering of steam under the effect of gravity, gather the lower extreme of water conservancy diversion spare gradually, can drop to holding the chamber when the volume of steam reaches a certain amount in-process, accomplish the collection of steam, improved the separating power of steam, the reduction of to a great extent steam gets into the volume of follow-up filter piece, has prolonged the life of filter piece. The airflow flow path is specifically referred to the direction indicated by the arrow in fig. 2.

Directional terms such as "upper", "lower", "side", "top", "bottom", and the like are used in the description and claims of the present invention to describe various example structural portions and elements of the present invention, but are used herein for convenience of description only and are to be determined based on example orientations shown in the accompanying drawings. Because the disclosed embodiments of the present invention may be oriented in different directions, the directional terms are used for descriptive purposes and are not to be construed as limiting, e.g., "upper" and "lower" are not necessarily limited to directions opposite to or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion, respectively), i.e., a fluid (gas, liquid or a mixture of both) can flow along a flow path from the first portion and/or be transported to the second portion, and may be a direct communication between the first portion and the second portion, or an indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, e.g., a pipe, a channel, a duct, a flow guide, a hole, a groove, or a chamber that allows a fluid to flow through, or a combination thereof.

Claims

1. A dirty device of collection for cleaning machine, including

The air conditioner comprises a shell (1), wherein a cavity (100) and an air outlet channel (101) are arranged in the shell (1), the cavity (100) is provided with an air inlet (1001), the air outlet channel (101) is provided with a vent (102) communicated with the cavity (100), and the air outlet channel (101) is located at the downstream of the air inlet (1001) along a fluid flow path;

the filtering piece (3) is arranged in the air outlet channel (101) and is used for filtering dust;

the method is characterized in that: the top wall of the air outlet channel (101) is provided with a flow guide part (2) extending downwards at a position close to the ventilation opening (102), at least a flow guide channel (01) for guiding fluid into the air outlet channel (101) is formed between the flow guide part (2) and the peripheral edge of the ventilation opening (102), and the flow guide channel (01) is located at the upstream of the filter piece (3) along a fluid flow path.

2. The dirt collecting device of claim 1, wherein: the cross section of the flow guide piece (2) is gradually reduced from top to bottom.

3. The dirt collecting device of claim 2, wherein: an opening (103) is formed in the top wall of the shell (1), and the flow guide piece (2) is installed at the opening (103) and is locally located in the air outlet channel (101).

4. The dirt collecting device of claim 3, wherein: the flow guide piece (2) comprises a connecting part (21) capable of blocking the opening (103) and a flow guide part (22) arranged below the connecting part (21), the whole flow guide part (22) is conical, and a flow guide channel (01) is formed between the local part of the outer peripheral surface of the flow guide part (22) and the corresponding position of the vent (102).

5. A sewage collecting device according to any one of claims 1 to 4, characterized in that: the air outlet channel (101) is at least partially located above the cavity (100), a vent (102) communicated with the cavity (100) and the air outlet channel (101) is formed in the bottom wall of the air outlet channel (101), and the flow guide piece (2) is arranged corresponding to the vent (102).

6. The dirt collecting device of claim 5, wherein: the projection of the flow guide piece (2) on the plane of the ventilation opening (102) along the vertical direction is positioned in the center of the ventilation opening (102).

7. The dirt collecting device of claim 5, wherein: the flow guide (2) is partially located below the ventilation opening (102).

8. The dirt collecting device of claim 5, wherein: the periphery of the vent (102) extends downwards to form a flow channel (103), and a gap (02) is reserved between the bottom edge of the flow channel (103) and the bottom wall of the cavity (100).

9. The dirt collecting device of claim 5, wherein: casing (1) including open-top drain pan (11) and cover be in open-top lid (12) of drain pan (11), enclose between lid (12) and drain pan (11) and close to be formed with appearance chamber (100), the inside cavity of lid (12) is formed with air-out passageway (101).

10. The dirt collecting device of claim 9, wherein: an air inlet channel (111) for supplying air to enter the cavity (100) tangentially is arranged on the bottom shell (11), and an inlet of the air inlet channel (111) is the air inlet (1001).

11. The dirt collecting device of claim 10, wherein: the air inlet channel (111) comprises a flat section (1111) and a contracted section (1112) which are sequentially arranged along the airflow flow path, the cross-sectional area of the flat section (1111) is equal everywhere, and the cross-sectional area of the contracted section (1112) is gradually reduced along the airflow flow path.

12. The dirt collecting device of claim 9, wherein: the cross section of the bottom shell (11) is oval, and the air inlet channel (111) is located on the side wall of the shell (1).

13. A cleaning machine having the dirt collecting device of any one of claims 1 to 12, characterized in that: the air filter is characterized by further comprising a fan (4), wherein the fan (4) is installed at the outlet of the air outlet channel (101), and the fan (4) is located at the downstream of the filter element (3) along the fluid flow path.