CN220344330U

CN220344330U - Separating device for cleaning machine and cleaning machine

Info

Publication number: CN220344330U
Application number: CN202321519238.6U
Authority: CN
Inventors: 刘逸; 陈炫树; 韦明祥; 黄仁忠; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-06-14
Filing date: 2023-06-14
Publication date: 2024-01-16
Anticipated expiration: 2033-06-14

Abstract

The utility model relates to a separating device for a cleaning machine and the cleaning machine, wherein the separating device for the cleaning machine comprises a shell, and the inner side wall of an air inlet pipeline is provided with a guide plate which gradually guides flow in the direction away from the inner peripheral wall of the shell at the position close to an air outlet; the baffle column is vertically arranged in the cavity, a lateral extension baffle plate is arranged on the peripheral wall of the baffle column at a position adjacent to the guide plate, the baffle plate is positioned on a fluid flow path flowing out through the air outlet, a first gap for fluid to pass through is formed between the baffle plate and the baffle plate, and a space is reserved between the baffle plate and the corresponding position of the peripheral wall of the cavity. The purpose of improving the separation capacity is achieved by suppressing the short-circuit effect of the air flow.

Description

Separating device for cleaning machine and cleaning machine

Technical Field

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

Background

The cleaning machine is a floor cleaning machine, a dust collector or a floor sweeping machine, the cleaning machine sucks the mixture of dust and the like mixed with water vapor on the floor into the inner cavity of the cleaning machine, and in order to separate the mixture of dust particles and water vapor, a separating device is generally adopted in the cleaning machine at present for separation.

The present separating device, such as the chinese patent application No. ZL202222268815.0 (issued to CN 218474563U), discloses a separating device for a cleaning machine, comprising a housing having a chamber therein, and having an air inlet pipe and an air outlet communicating with the chamber, the air outlet being located on top of the chamber; the annular wall is vertically arranged in the cavity, surrounds the periphery of the air outlet and forms a flow passage communicated with the air outlet; the separating piece is vertically arranged in the flow channel and divides the flow channel into at least two sub-flow channels, and the longitudinal section of the separating piece is wavy.

When the separating device is used for separating, negative pressure is formed in the cavity of the separating device, the negative pressure is at the top, part of air flow just enters the separating device and is sucked away by the negative pressure area at the top, so that an air flow short circuit is formed, and the separating device cannot play the cyclone separating function by the air flow short circuit effect. The air flow short circuit effect plays a serious negative effect on the separation of lighter substances such as short hair, dust and the like, the lighter substances such as short hair, dust and the like suspend in the cavity and directly enter the fan under the suction of the negative pressure at the top, so that the service lives of a filter screen and the fan in front of the fan are greatly reduced.

Accordingly, there is a need for further improvements to existing separation devices.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a separating device for a cleaning machine, which improves the separating ability by suppressing the short-circuit effect of the air flow, against the state of the art.

The second technical problem to be solved by the utility model is to provide a cleaning machine with the separating device.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a separating apparatus for a cleaning machine, comprising:

a housing having a chamber therein for communication with a cleaning module of a cleaning machine, the top of the chamber having an air outlet for fluid communication with a fan of the cleaning machine, the chamber having an air inlet duct for tangential entry of fluid, the air inlet duct having an air outlet in communication with the chamber;

the separating device is characterized in that the inner side wall of the air inlet pipeline is provided with a guide plate which gradually guides flow towards the direction far away from the inner peripheral wall of the shell at the position close to the air outlet, and the separating device further comprises:

the baffle column is vertically arranged in the cavity, a lateral extension baffle plate is arranged on the peripheral wall of the baffle column at a position adjacent to the guide plate, the baffle plate is positioned on a fluid flow path flowing out through the air outlet, a first gap for fluid to pass through is formed between the baffle plate and the baffle plate, and a space is reserved between the baffle plate and the corresponding position of the peripheral wall of the cavity.

Preferably, the top of the blocking column blocks part of the air outlet, and a second gap for air flow to pass through is formed between the side wall of the blocking column and the peripheral edge of the air outlet.

In order to prevent the sewage at the bottom of the chamber from flowing upwards to enter the air outlet, the bottom of the blocking column is connected with the inner bottom wall of the chamber.

In order to timely discharge sewage and garbage in the cavity, a drain outlet is arranged at the bottom of the side wall of the cavity and is adjacent to the air outlet.

In order to guide the sewage at the bottom of the cavity towards the sewage outlet and discharge the sewage in the cavity, the inner bottom wall of the cavity is an inclined surface which gradually inclines towards the sewage outlet from top to bottom.

In order to provide a better separation of the solid particles from the gas stream, the baffle is located within the chamber.

In order to rotationally separate the mixed fluid entering the chamber within the chamber, the cross-section of the chamber is circular or elliptical and the cross-section of the blocking post is circular.

In order to prevent garbage, sewage and the like from contacting with a subsequent filter element, a fan and the like after flowing out of the sewage outlet after the cleaner is dumped, the shell is internally provided with an exhaust channel which is at least partially positioned above the cavity, and the exhaust channel is communicated with the cavity through the exhaust outlet.

In order to filter the air flow entering the exhaust channel again, a filter element is arranged in the exhaust channel, and the filter element is positioned on the periphery of the chamber.

The deflector may be in the form of an inclined plate or an arcuate plate, but preferably it is an outwardly arched arcuate plate.

In order to improve the separation capability, a barrier strip which is staggered with the barrier plates is arranged in the first gap, the first end of the barrier strip is connected with the outer wall surface of the guide plate, and a third gap is reserved between the second end of the barrier strip and the barrier plates. In this way, the dust with smaller mass moves along the deflector and then impacts with the barrier strip for further separation.

In order to delay the airflow speed and prolong spiral sedimentation, an expanding channel which gradually expands along the fluid flow path is formed between the baffle strip and the baffle plate, and the third gap is positioned upstream of the expanding channel along the fluid flow path.

Preferably, the blocking plate gradually inclines from inside to outside towards the direction away from the air outlet. In addition, the form of an arcuate plate may also be used.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides a cleaning machine, including separator and fan, its characterized in that: the separator is described and the fan is located downstream of the separator along the fluid flow path.

The cleaning machine is a sweeper or a scrubber, but preferably the cleaning machine is a sweeper.

Compared with the prior art, the utility model has the advantages that: the air inlet pipeline of the separation device is provided with a guide plate for guiding the flow in the direction away from the inner peripheral wall of the shell, mixed fluid containing liquid enters the air inlet pipeline, particles with high specific gravity do not change the movement direction under the inertia effect, impact the peripheral wall of the chamber, and part of large particle substances enter the area of the blocking plate, which is away from the air outlet, along the peripheral side of the chamber and perform spiral sedimentation under the turbulent flow effect of the blocking column; the dust air flow with light specific gravity moves along the guide plate and then enters the cavity through the first gap, then the dust air flow with light specific gravity and the particulate matters with heavy specific gravity are separated at the moment under the turbulent flow action of the blocking column, the separation of solid particles, liquid impurities and air flow is realized, the solid particles and the liquid impurities are settled to the bottom of the cavity, the separation capacity is improved, the subsequent clean air flow moves upwards while bypassing the separating plate and is discharged through the air outlet, the finally discharged air flow almost does not contain liquid impurities, the service life of the subsequent filtering piece and/or the fan is greatly prolonged, and the replacement frequency is reduced.

Drawings

Fig. 1 is a schematic structural view of a separation device of the present embodiment;

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

FIG. 3 is another angular cross-sectional view of FIG. 1;

fig. 4 is a cross-sectional view of the separation device of the present embodiment.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

The cleaning machine of this embodiment is a sweeper. The sweeper of the embodiment comprises a cleaning module for cleaning the floor to be cleaned, a separating device and a fan. The specific structure of the cleaning module in this embodiment adopts a structure in the prior art, and detailed description thereof will not be repeated in this embodiment. Along the fluid flow path, the separation device is located between the cleaning module and the fan 4, the cleaning module being located upstream of the separation device. The air inlet pipeline of the separating device is communicated with the cleaning module, and the air outlet of the separating device is in fluid communication with the inlet of the fan 4. Under the action of the fan, negative pressure is formed in the cleaning module and the separating device, so that dust, water, particles and other garbage are sucked into the cleaning module through the dust suction opening of the cleaning module, then the gas separated by the separating device is discharged, and the separated sewage is stored in the chamber 10 of the separating device.

As shown in fig. 1 to 3, the separation device of the present embodiment includes a housing 1, a blocking column 2, and a filter 7. Wherein the chamber 10 of the housing 1 has a circular or oval cross section, and the chamber 10 is provided inside the housing 1. The top of the aforesaid chamber 10 has an air outlet 101 in fluid communication with the fan 4 of the cleaning machine, and the chamber 10 has an air inlet duct 11 for the air fed tangentially into the chamber 10. In the present embodiment, the part of the air intake duct 11 is located on the peripheral side of the chamber 10.

As shown in fig. 3, the air intake duct 11 of the present embodiment has an air outlet 111 communicating with the chamber 10, and the inner side wall of the air intake duct 11 has a baffle 112 near the air outlet 111 for gradually guiding air in a direction away from the inner peripheral wall of the housing 1, where the baffle 112 is located in the chamber 10 and is an arc plate arched outwards.

As shown in fig. 2, the blocking column 2 is vertically arranged in the chamber 10, the top of the blocking column 2 blocks part of the air outlet 101, and a second gap 5 for air flow to pass through is formed between the side wall of the blocking column 2 and the peripheral edge of the air outlet 101. While the bottom of the blocking column 2 is connected to the inner bottom wall of the chamber 10. In this embodiment, the blocking post 2 has a circular cross section. In addition, the outer peripheral wall of the blocking column 2 is provided with a laterally outwardly extending blocking plate 21 at a position adjacent to the deflector 112, and the blocking plate 21 is gradually inclined from inside to outside in a direction away from the air outlet 111. In the present embodiment, the blocking plate 21 is located on the fluid flow path flowing out through the air outlet 111, and forms a first gap 3 with the baffle 112 for the fluid to pass through, and a space 9 is left between the first gap and the corresponding position of the peripheral wall of the chamber 10.

As shown in fig. 3, a barrier strip 6 staggered with the barrier plate 21 is disposed in the first gap 3, a first end of the barrier strip 6 is connected with an outer wall surface of the deflector 112, and a third gap 8 is left between a second end of the barrier strip 6 and the barrier plate 21. An expansion passage 61 that gradually expands along the fluid flow path is formed between the barrier rib 6 and the barrier plate 21, and the third gap 8 is located upstream of the expansion passage 61 along the fluid flow path.

Further, as shown in fig. 2, the inside of the housing 1 has an exhaust passage 12 at least partially above the chamber 10, and the chamber 10 communicates with the exhaust passage 12 through an exhaust port 101. In the present embodiment, the filter 7 is disposed in the exhaust duct 12, and along the fluid flow path, the filter 7 is located downstream of the exhaust port 101 and upstream of the blower 4. In the present embodiment, the filter 7 is located on the peripheral side of the chamber 10. To facilitate the drainage, the bottom of the side wall of the chamber 10 has a drain 102, the drain 102 being disposed adjacent to the outlet 111. In order to guide the sewage at the bottom of the chamber toward the sewage outlet 102, the inner bottom wall of the chamber 10 has an inclined surface 103 gradually inclined toward the sewage outlet 102 from top to bottom.

The air flow containing the mixed substances enters the air inlet pipeline, the large granular substances with larger mass enter the cavity in a tangential way, the movement direction is not changed under the inertia effect, part of the large granular substances (see hollow arrows in fig. 3) collide with the inner wall surface of the cavity in a tangential way, enter the side area (right side area) of the baffle plate, which is far away from the air outlet, and spiral sedimentation is carried out under the turbulent flow effect of the baffle column 2; the dust with smaller mass moves along the deflector 112 and then collides with the barrier strip, the separated light air flow enters the expansion channel through the third gap and spirally subsides around the peripheral wall of the barrier post 2, and the flow is further refined, particularly referring to the direction indicated by the solid arrow in fig. 3, so that the pressure loss is reduced, the fine substance air flow and the large substance air flow are separated, and the separation effect is particularly fine. The subsequent clean air flow moves upwards around the separating plate and is discharged through the air outlet, and finally the discharged air flow hardly contains liquid impurities, so that the service life of the subsequent filtering piece and/or the fan is greatly prolonged, and the replacement frequency is reduced.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "upper", "lower", "left", "right", "side", "top", "bottom", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Because the disclosed embodiments of the utility model may be arranged in a variety of orientations, the directional terminology is used for purposes of illustration and is in no way limiting, such as "upper" and "lower" are not necessarily limited to being in a direction opposite or coincident with the direction of gravity.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims

1. A separating apparatus for a cleaning machine, comprising:

a housing (1) having a chamber (10) therein for communication with a cleaning module of a cleaning machine, the top of the chamber (10) having an air outlet (101) for fluid communication with a fan (4) of the cleaning machine, and the chamber (10) having an air inlet duct (11) for tangential entry of fluid, the air inlet duct (11) having an air outlet (111) in communication with the chamber (10);

the separating device is characterized in that the inner side wall of the air inlet pipeline (11) is provided with a guide plate (112) which gradually guides flow towards the direction far away from the inner peripheral wall of the shell (1) at the position close to the air outlet (111), and the separating device further comprises:

the baffle column (2) is vertically arranged in the chamber (10), a lateral extension baffle plate (21) is arranged on the peripheral wall of the baffle column (2) at a position adjacent to the guide plate (112), the baffle plate (21) is positioned on a fluid flow path flowing out through the air outlet (111), a first gap (3) for fluid to pass through is formed between the baffle plate (21) and the guide plate (112), and a space (9) is reserved between the baffle plate and the corresponding position of the peripheral wall of the chamber.

2. The separation device of claim 1, wherein: the top of the blocking column (2) is used for blocking part of the air outlet (101), and a second gap (5) for air flow to pass through is formed between the side wall of the blocking column (2) and the peripheral edge of the air outlet (101).

3. The separation device of claim 2, wherein: the bottom of the blocking column (2) is connected with the inner bottom wall of the chamber (10).

4. The separation device of claim 1, wherein: the bottom of the side wall of the chamber (10) is provided with a drain outlet (102), and the drain outlet (102) is arranged adjacent to the air outlet (111).

5. The separator device as claimed in claim 4, wherein: the inner bottom wall of the chamber (10) is an inclined surface (103) which gradually inclines towards the sewage outlet (102) from top to bottom.

6. The separation device of claim 1, wherein: the baffle (112) is located within the chamber (10).

7. The separation device of claim 1, wherein: the cross section of the cavity (10) is circular or elliptical, and the cross section of the blocking column (2) is circular.

8. The separation device of claim 1, wherein: the shell (1) is internally provided with an exhaust channel (12) which is at least partially positioned above the cavity (10), and the exhaust channel (12) is communicated with the cavity (10) through the exhaust outlet (101).

9. The separation device of claim 8, wherein: a filter (7) is arranged in the exhaust channel (12), and the filter (7) is positioned on the periphery of the chamber (10).

10. The separation device of claim 1, wherein: the guide plate is an arc-shaped plate arched outwards.

11. The separation device according to any one of claims 1 to 10, characterized in that: the baffle strips (6) which are staggered with the baffle plates (21) are arranged in the first gaps (3), the first ends of the baffle strips (6) are connected with the outer wall surface of the guide plate (112), and a third gap (8) is reserved between the second ends of the baffle strips (6) and the baffle plates (21).

12. The separation device of claim 11, wherein: an expansion channel (61) gradually expanding along a fluid flow path is formed between the barrier strip (6) and the barrier plate (21), and the third gap (8) is located upstream of the expansion channel (61) along the fluid flow path.

13. The separation device of claim 12, wherein: the blocking plate (21) gradually inclines from inside to outside in a direction away from the air outlet (111).

14. The utility model provides a cleaning machine, including separator and fan (4), its characterized in that: the separation device is a separation device according to any one of claims 1 to 13, the fan (4) being located downstream of the separation device along the fluid flow path.

15. The cleaning machine of claim 14, wherein: the cleaning machine is a sweeper.