CN114794968B

CN114794968B - Separation module for cleaning machine and cleaning machine

Info

Publication number: CN114794968B
Application number: CN202110065465.5A
Authority: CN
Inventors: 王强; 刘逸; 李德来; 田生芃; 韦明祥; 曹军达; 张旭东; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2023-11-17
Anticipated expiration: 2041-01-19
Also published as: CN114794968A

Abstract

The utility model relates to a separation module for a cleaning machine and the cleaning machine with the separation module, and the separation module for the cleaning machine comprises a shell, wherein a cavity is arranged in the shell, the cavity is provided with an air inlet and an air outlet which is in fluid communication with the air inlet, and the air outlet is positioned at the downstream of the air inlet along a fluid flow path; the filter piece covers the air outlet; the filter is characterized by further comprising an impeller which is rotatably arranged in the cavity and is in driving connection with the filter element so as to drive at least part of the filter element to move relative to the shell. The dust of filter can be cleared up automatically to reach the purpose of cleaing away the dust on the filter, overcome the complicacy that needs the manual shake of user to bring among the background art, more laborsaving, and user experience is good.

Description

Separation module 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 separation module for a cleaning machine and the cleaning machine.

Background

At present, a cleaner is a dust collector or a sweeper, and the dust collector or the sweeper sucks a mixture of dust and the like with water vapor mixed on the bottom surface into an inner cavity of the dust collector or the sweeper, so as to separate the mixture of dust particles and water vapor, and a separating device is generally adopted for separating the mixture.

As in chinese patent No. ZL201520728203.2 (grant publication No. CN 204950802U), a filter assembly for manual ash removal for a vacuum cleaner is disclosed, which comprises a housing and a filter cartridge; the shell is of a sealing structure, an air inlet is formed in the side wall of the shell, and a coarse filter screen is arranged on the air inlet; the filter cartridge is arranged in the shell, a cavity is formed between the filter cartridge and the shell, the lower end of the filter cartridge is fixedly connected with a spring at the bottom of the shell, one side of the filter cartridge is communicated with a hose, the other end of the hose penetrates through the shell, and the end part of the hose is communicated with an air outlet pipe; a connecting rod is fixed at the top of the filter cartridge, the connecting rod vertically passes through the shell upwards, a sealing ring is arranged at the joint of the connecting rod and the shell, and a handle is fixed at the upper end of the connecting rod; the bottom of the shell is provided with an ash outlet.

Although the dust on the filter cartridge is shaken down by shaking the filter cartridge (filter element) in the above patent, it is necessary for the user to use manual shaking, which is laborious and affects the user's experience.

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

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a separation module for a cleaner, which can shake a filter element without manual operation to achieve the purpose of cleaning ash.

The second technical problem to be solved by the utility model is to provide a separation module for improving the ash removing capability of a filter element.

The third technical problem to be solved by the utility model is to provide a separation module which achieves the purpose of improving the separation capability through airflow collision.

The fourth technical problem to be solved by the utility model is to provide a wet and dry cleaning machine.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a separation module for a cleaning machine comprises

A housing having a chamber therein, the chamber having an air inlet and an air outlet in fluid communication with the air inlet, the air outlet being located downstream of the air inlet along a fluid flow path;

the filter piece covers the air outlet;

characterized in that it also comprises

And the impeller is rotatably arranged in the cavity and is in driving connection with the filter element so as to drive at least part of the filter element to move relative to the shell.

The filter element has various structural forms, and in order to facilitate shaking dust on the filter element, the filter element comprises an annular connecting ring and a flexible filter disc arranged in the connecting ring, and the longitudinal section of the flexible filter disc is corrugated. Therefore, in the process of rotating the impeller, the filter plate is easy to stir, and then dust on the filter plate is cleaned.

Preferably, the air outlet is formed on the top wall of the casing, an inverted conical casing is formed by extending the periphery of the air outlet downwards, the lower end of the casing is open, the impeller is rotatably arranged in the casing and adjacent to the position of the lower end opening, the rotation axis of the impeller extends along the up-down direction, and the impeller is contacted with the flexible filter sheet through the driving strip. In this way, in the process of rotating the impeller, the driving strips flap the flexible filter sheet along with the rotation of the impeller, so that dust on the flexible filter sheet is flap.

The impeller has various structural forms, but preferably, the impeller comprises a connecting shaft and a plurality of blades, the connecting shaft extends along the up-down direction, the blades are arranged on the peripheral wall of the connecting shaft at intervals along the circumferential direction, the driving strips extend upwards, and at least two blades are provided with the driving strips.

Preferably, the blade comprises a first blade segment and a second blade segment which are sequentially arranged from bottom to top, an included angle formed between the longitudinal section of the first blade segment and the rotation axis of the impeller is alpha, and an included angle formed between the longitudinal section of the second blade segment and the rotation axis of the impeller is beta, wherein the included angle alpha is more than beta. Therefore, the whole blade adopts a bending structure, and the bending blade effectively inhibits the separation at the outlet of the blade (the downstream position of the blade along the fluid flow path), weakens the accumulation of low-energy fluid and reduces the flow loss.

Preferably, the profile of the cross section of the second blade segment satisfies: y=4.5x, the profile of the cross section of the first blade segment satisfies: y=3x. The radial pressure gradient of the blade is effectively controlled, and the migration of the boundary layer can be controlled.

In order to further improve the separation capability, at least two guide vanes which are arranged at intervals along the circumferential direction are arranged on the position, adjacent to the lower end, of the outer peripheral wall of the shell, and an air guide channel is formed between every two adjacent guide vanes. The existence of the guide vane improves the probability of air flow mixing impact, and in addition, the rotation of the air flow can be enhanced, and the separation effect is improved.

The blades can be directly connected to the outer wall of the shell, can also be installed on the outer wall of the shell in the form of a connecting ring, but preferably, the periphery of the lower end of the shell is sleeved with a ring-shaped lantern ring, and the guide vane is arranged on the lantern ring.

The utility model solves the second technical problem by adopting the technical proposal that: the filter element is movably arranged at the air outlet along the fluid flow direction of the air outlet under the action of wind force, and the filter element also comprises an elastic element which acts on the filter element and always enables the filter element to have a movement trend towards the opposite direction under the energy storage state. Therefore, the filter element can move along the fluid flow direction of the air outlet under the action of wind force, and has a trend of moving towards the opposite direction under the action of the elastic element, so that the filter element can shake, dust on the filter element can be shaken down, and the aim of removing the dust on the filter element is fulfilled.

Preferably, along the fluid flow path, the housing is provided with a cover plate located downstream of the air outlet, and an air outlet channel communicated with the air outlet is formed between the cover plate and the housing.

The elastic member may be in the form of a spring or a reed, but preferably, the elastic member is a spring located between the filter member and the cover plate, the upper end of the spring is in contact with the cover plate, and the other end of the spring is in contact with the filter member.

The technical scheme adopted by the utility model for solving the third technical problem is as follows: the two air inlets are arranged at intervals along the circumferential direction of the shell, the flow paths of the fluid flowing in through the two air inlets are intersected in the cavity, and along the fluid flow paths, the intersection is located at the upstream of the opening at the lower end of the shell.

In order to improve the separation capability, the two air inlets are formed in the same side wall of the shell, and the projection of the central line of the shell on the plane of the air inlets along the flowing direction of the fluid flowing in through the air inlets is positioned between the two air inlets. Thus, two airflows flowing out from the two air inlets can be hedging, which is beneficial to sedimentation of particles with high specific gravity and improves the separation effect.

Specifically, be provided with the air inlet passageway in the cavity in the position that corresponds the air intake, the air inlet passageway is two, and all be located the periphery of shell, be formed with the arc runner between the lateral wall of shell and the inside wall of cavity, the both ends of the cross section of arc runner are linked together with two respectively the air inlet passageway, the junction is located in the arc runner.

Preferably, two chambers are provided and are communicated, and each chamber is provided with one shell and two air inlets. The existence of the two chambers increases the air inlet quantity of the separation module, and can relieve the condition of overlarge wind resistance caused by overlarge air quantity.

The technical scheme adopted by the utility model for solving the fourth technical problem is as follows: the cleaning machine with the separation module is characterized in that: the air inlet of the separation module is communicated with the outlet of the cleaning module, and the air outlet of the separation module is communicated with the inlet of the fan.

Compared with the prior art, the utility model has the advantages that: the impeller of the separation module for the cleaning machine can be rotationally arranged in the cavity and is in driving connection with the filter element, so that at least part of the filter element is driven to move relative to the shell, and then dust of the filter element can be automatically cleaned, thereby achieving the purpose of cleaning the dust on the filter element, overcoming the complexity caused by manual shaking of a user in the background art, saving more labor and having good user experience.

Drawings

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

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

FIG. 3 is an enlarged schematic view of the portion I in FIG. 2;

FIG. 4 is another angular cross-sectional view of FIG. 1;

FIG. 5 is a schematic perspective exploded view of a portion of the structure of FIG. 1;

fig. 6 is a sectional view of the present embodiment;

FIG. 7 is a schematic view of a portion of the structure of FIG. 1;

FIG. 8 is a cross-sectional view of FIG. 7;

FIG. 9 is a schematic view of the impeller of FIG. 1;

FIG. 10 is a schematic view of a portion of the structure of FIG. 9;

FIG. 11 is a schematic view showing a part of the structure of the cleaning machine of the present embodiment;

fig. 12 (a) is a schematic flow diagram of a conventional fan blade, and (b) is a schematic flow diagram of the fan blade in fig. 9.

Detailed Description

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

As shown in fig. 11, the cleaning machine of the present embodiment is a sweeper, and the object to be cleaned is a floor. The sweeper comprises a cleaning module 01, a fan 5 and a separation module 04 for separating a water and dust mixture, wherein the separation module 04 is positioned between the cleaning module 01 and the fan 5 along an airflow flow path. The air inlet 411 of the separation module 04 is in communication with the outlet of the cleaning module and the outlet 412 of the separation module 04 is in fluid communication with the inlet of the fan 5. Under the action of the fan 5, negative pressure is formed in the cleaning module 01 and the separating module 04, so that dust, water and other garbage are sucked into the cleaning module 01 through the dust suction opening 111 of the cleaning module 01, and then the gas separated by the separating module 04 is discharged.

As shown in fig. 1 to 10, the separation module for a cleaning machine includes a housing 4, as shown in fig. 2, the interior of the housing 4 has two chambers 41 which are arranged side by side and are communicated, each chamber 41 has an air inlet 411, the air inlet 411 is opened on the front side wall of the housing 4, the top wall of the housing 4 has an air outlet 412 at a position corresponding to each chamber, the air inlet 411 of each chamber 41 is in fluid communication with the corresponding air outlet 412, and along the fluid flow path, the air outlet 412 is located downstream of the air inlet 411. In addition, the casing 4 is provided with a cover plate 49 at a position above the air outlet 412, an air outlet passage 491 communicating with the air outlet 412 is formed between the cover plate 49 and the top wall of the casing 4, and the air outlet passage 491 communicates with the inlet of the fan 5.

As shown in fig. 5, the housing 4 is provided with a baffle 46 on a side wall where the air inlet 411 is located, the baffle 46 is provided with an opening 461 at a position corresponding to the air inlet 411, the baffle 46 is provided with a baffle 462 capable of moving relative to the air inlet 411 to open or close the air inlet 411 at a position corresponding to the opening 461, specifically, the baffle 462 is rotatably provided on a side edge of the opening 461, and under the action of wind, the opening 461 is opened, and the baffle 462 has elasticity and always has a tendency of closing the opening 461 under the action of self elasticity, so that in a non-working state, the air flow in the separation module is prevented from being guided into the cleaning module 01 through the opening 461.

The structure of both chambers 41 is the same, and one of them will be described as an example. As shown in fig. 2, the periphery of the air outlet 412 of the chamber 41 extends downward to form a housing 42, the housing 42 is a cyclone separator with an overall inverted cone shape, the upper and lower ends of the housing 42 are both open, in this embodiment, a cavity 420 is hollow in the housing, the lower end of the cavity 420 is an inlet 421, the upper end of the cavity 420 is an air outlet 422, and the air outlet 422 is the air outlet, and along the fluid flow path, the air outlet 422 is located downstream of the inlet 421.

As shown in fig. 7, two air inlets 411 of each chamber 41 are formed on the front side wall of the housing 4, and are arranged at intervals left and right, and a projection of the center line of the housing 42 on the plane of the air inlets 411 along the front-rear direction is located between the two air inlets 411. Each air inlet 411 is provided with an air inlet channel 413, and the air inlet channels 413 are positioned in the chamber 41 and are positioned at the periphery of the shell 42, so that two air inlet channels 413 are arranged. As shown in fig. 6 and 7, an arc-shaped flow passage 414 is formed between the outer side wall of the housing 42 and the inner side wall of the chamber 41, and both ends of the cross section of the arc-shaped flow passage 414 are respectively communicated with two air inlet passages 413, so that the flow paths of the fluid flowing in through the two air inlets 411 meet in the chamber 41, and the intersection is located in the arc-shaped flow passage 414 and upstream of the inlet 421.

In this way, the airflow entering through one air inlet 411 and the airflow entering through the other air inlet 411 collide in the arc-shaped flow channel 414, at this time, particles with high specific gravity are settled due to the collision, the two airflow after settlement enter the inlet 421 of the casing 42, the air after cyclone separation of the casing is discharged through the air outlet, and the settled particles are located at the bottom of the chamber 41. The fluid flow path is specifically seen in the direction indicated by the hollow arrow in fig. 4.

As shown in fig. 2 and 3, a collar 45 is sleeved on the outer peripheral wall of the casing 42 adjacent to the lower end, at least two blades 451 are circumferentially spaced apart from each other on the outer peripheral wall of the collar 45, and an air guide channel 452 is formed between two adjacent blades 451, and along the fluid flow path, the air guide channel 452 is located upstream of the inlet 421 and downstream of the arc-shaped flow channel 414.

As shown in fig. 3 and 8, the air outlet 412 is covered with a filter 43, and an annular sealing ring (not shown) is disposed between the filter 43 and the air outlet 412. Specifically, the filter 43 includes a ring-shaped connection ring 431 and a flexible filter sheet 432 disposed in the connection ring 431, and a longitudinal section of the flexible filter sheet 432 is corrugated.

As shown in fig. 2 to 4, an impeller 40 is provided in the housing 42, the impeller 40 is positioned under the filter 43, the impeller 40 is rotatable about its own axis by wind force, and specifically, the impeller 40 includes a connection shaft 402 and blades 401, the connection shaft 402 extends in the up-down direction, the housing 42 is provided with a bracket 425 extending laterally at a position adjacent to the inlet 421, as shown in fig. 8, the connection shaft 402 is rotatably provided on the bracket 425, and 10 of the aforementioned blades 401 are arranged on the outer peripheral wall of the connection shaft 402 at intervals in the circumferential direction. As shown in fig. 3, 9 and 10, the blade 401 includes a first blade segment 4011 and a second blade segment 4012 sequentially arranged from bottom to top, and as shown in fig. 10, an included angle α formed between a longitudinal section of the first blade segment 4011 and a rotation axis of the impeller 40, and an included angle β formed between a longitudinal section of the second blade segment 4012 and the rotation axis of the impeller 40, where the included angle α > β, and thus, the aforementioned blade adopts a bending structure. In this embodiment, the profile of the cross section of the second blade section 4012 satisfies: y=4.5x, the profile of the cross section of the first blade segment 4011 satisfies: y=3x, and along the vertical direction, the heights of the first and second blade segments 4011 and 4012 are equal.

In order to realize the shaking of the flexible filter 432, the 5 blades 401 of the impeller 40 which are arranged at intervals are all provided with driving bars 403, and one of the blades is taken as an example for illustration, as shown in fig. 3 and 10, the upper edge of the second blade section 4012 of the blade 401 is provided with driving bars 403 which are arranged at intervals along the length direction of the upper edge and extend upwards, and the upper ends of the driving bars 403 are in contact with the flexible filter 432, so that in the process of rotating the impeller 40, the driving bars 403 rotate along with the impeller 40, and thereby the flexible filter 432 is stirred, and the flexible filter 432 is similar to being beaten, and dust on the flexible filter 432 is beaten down.

Furthermore, an elastic element is arranged between the cover plate 49 and the filter element 43, which element always tends to move the filter element 43 downwards in the energy-storage state. Specifically, as shown in fig. 2 and 4, the elastic member is a spring 400, the upper end of the spring 400 is in contact with the cover plate 49, and the lower end of the spring 400 is in contact with the connection ring 431 of the filter 43. Thus, under the suction effect of the blower 5, the filter 43 can move upward under the wind force and the elasticity of the sealing member, and can move downward under the action of the spring 400, thereby realizing the shaking of the filter 43, and then the dust on the filter is shaken down.

The specific orientation in the above embodiment is seen in the direction indicated by the arrow in fig. 4.

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.

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.

Claims

1. A separation module for a cleaning machine comprises

A housing (4) having a chamber (41) therein, the chamber (41) having an air inlet (411) and an air outlet (412) in fluid communication with the air inlet (411), the air outlet (412) being located downstream of the air inlet (411) along a fluid flow path;

a filter (43) covering the exhaust port (412);

the air outlet (412) is formed on the top wall of the shell (4), the periphery of the air outlet (412) extends downwards to form an inverted cone-shaped shell (42), and the lower end of the shell (42) is open; and also comprises

An impeller (40) rotatably disposed within the chamber (41) and drivingly connected to the filter element (43) so as to drive at least part of the filter element (43) in a movement relative to the housing (42);

the two air inlets (411) are arranged at intervals along the circumferential direction of the shell (42), the flow paths of fluid flowing in through the two air inlets (411) are intersected in the cavity (41) and located at the upstream of the opening of the lower end of the shell (42), air inlet channels (413) are arranged in the cavity (41) at positions corresponding to the air inlets (411), the two air inlet channels (413) are located at the periphery of the shell (42), an arc-shaped flow channel (414) is formed between the outer side wall of the shell (42) and the inner side wall of the cavity (41), and two ends of the cross section of the arc-shaped flow channel (414) are respectively connected with the two air inlet channels (413), and the intersection is located in the arc-shaped flow channel (414).

2. The separation module of claim 1, wherein: the filter element (43) comprises an annular connecting ring (431) and a flexible filter sheet (432) arranged in the connecting ring (431), and the longitudinal section of the flexible filter sheet (432) is corrugated.

3. The separation module of claim 2, wherein: the impeller (40) is rotatably arranged in the shell (42) and adjacent to the position with the lower end open, the rotation axis of the impeller (40) extends along the up-down direction, and the impeller (40) is contacted with the flexible filter sheet (432) through the driving strip (403).

4. A separation module according to claim 3, characterized in that: the impeller (40) comprises a connecting shaft and blades (401), wherein the connecting shaft (402) extends along the up-down direction, a plurality of blades (401) are arranged on the peripheral wall of the connecting shaft (402) at intervals along the circumferential direction, driving strips (403) extend upwards, and at least two blades (401) are provided with the driving strips (403).

5. The separation module of claim 4, wherein: the blade (401) comprises a first blade segment (4011) and a second blade segment (4012) which are sequentially arranged from bottom to top, an included angle formed between the longitudinal section of the first blade segment (4011) and the rotation axis of the impeller (40) is alpha, and an included angle formed between the longitudinal section of the second blade segment (4012) and the rotation axis of the impeller (40) is beta, wherein the included angle alpha is larger than beta.

6. The separation module of claim 5, wherein: the profile of the cross section of the second blade segment (4012) satisfies: y=4.5x, the profile of the cross section of the first blade segment (4011) satisfies: y=3x.

7. A separation module according to claim 3, characterized in that: at least two guide vanes (451) which are arranged at intervals along the circumferential direction are arranged at the position, adjacent to the lower end, of the outer peripheral wall of the shell (42), and an air guide channel (452) is formed between every two adjacent guide vanes (451).

8. The separation module of claim 7, wherein: the periphery of the lower end of the shell (42) is sleeved with a ring-shaped lantern ring (45), and the deflector (451) is arranged on the lantern ring (45).

9. The separation module of claim 1, wherein: the filter element (43) is movably arranged at the air outlet (412) along the fluid flow direction of the air outlet (412) under the action of wind force, and the filter element also comprises an elastic element which acts on the filter element (43) and always enables the filter element (43) to have a movement trend towards the opposite direction under the energy storage state.

10. The separation module of claim 9, wherein: along the fluid flow path, the housing (4) is provided with a cover plate (49) downstream of the exhaust outlet (412), and an air outlet channel (491) communicated with the exhaust outlet (412) is formed between the cover plate (49) and the housing (4).

11. The separation module of claim 10, wherein: the elastic piece is a spring (400) positioned between the filter piece (43) and the cover plate (49), the upper end of the spring (400) is in contact with the cover plate (49), and the other end of the spring (400) is in contact with the filter piece (43).

12. The separation module according to any one of claims 1 to 11, wherein: the two air inlets (411) are formed in the same side wall of the shell (4), and the projection of the central line of the shell (42) on the plane of the air inlets (411) along the flowing direction of fluid flowing in through the air inlets (411) is located between the two air inlets (411).

13. The separation module of claim 12, wherein: the two chambers (41) are communicated, one shell (42) is arranged in each chamber (41), and two air inlets (411) are respectively and correspondingly arranged.

14. A cleaning machine having a separation module according to any one of claims 1 to 13, characterized in that: the air conditioner further comprises a cleaning module (01) and a fan (5), the separation module (04) is located between the cleaning module (01) and the fan (5) along the airflow flowing path, each air inlet (411) of the separation module (04) is communicated with the outlet of the cleaning module (01), and an air outlet (412) of the separation module is communicated with the inlet (211) of the fan (5).