CN114794968A

CN114794968A - A separation module and cleaning machine for cleaning machine

Info

Publication number: CN114794968A
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: 2022-07-29
Anticipated expiration: 2041-01-19
Also published as: CN114794968B

Abstract

The invention relates to a separation module for a cleaning machine and a cleaning machine with the separation module, the separation module for the cleaning machine comprises a shell, a first separation module and a second separation module, wherein the shell is internally provided with a chamber, the chamber is provided with an air inlet and an air outlet which is communicated with the air inlet in a fluid mode, and the air outlet is positioned at the downstream of the air inlet along a fluid flow path; a filter covering the air outlet; characterized in that it further comprises an impeller rotatably disposed within said chamber and drivingly connected to said filter element for driving at least a portion of said filter element in movement relative to said housing. The dust of filtering piece can be cleared up automatically to reach the purpose of clearing away the dust on the filtering piece, overcome the loaded down with trivial details nature that needs the manual shake of user to bring in the background art, it is more laborsaving, and user experience is good.

Description

A separation module and cleaning machine for cleaning machine

Technical Field

The invention 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, a mixture of dust mixed with water vapor on the bottom surface and the like is sucked into an inner cavity of the cleaner, and a separating device is usually adopted for separating the mixture of dust particles and water vapor at present.

For example, the Chinese utility model patent "a filter component for manually cleaning dust for a dust collector", the patent number of which is ZL201520728203.2 (publication number is CN204950802U), discloses a filter component for manually cleaning dust for a dust collector, which comprises a shell 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 mounted on the air inlet; the filter cartridge is arranged in the shell, a cavity is arranged between the filter cartridge and the shell, the lower end of the filter cartridge and the bottom of the shell are fixedly connected with a spring, a hose is communicated with one side of the filter cartridge, 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 cylinder, vertically and upwards penetrates through the shell, 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; an ash outlet is formed in the bottom of the shell.

Although in the above-mentioned patent shake the dust on the cartridge filter down through shaking the cartridge filter (filtering piece), but need the user to adopt manual shake, hard and influence user's experience.

Therefore, further improvements to existing separation modules are needed.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a separation module for a cleaning machine, which can shake a filter member without manual operation to achieve the purpose of cleaning ash, in view of the current state of the prior art.

The second technical problem to be solved by the invention is to provide a separation module for improving the dust cleaning capability of the filter element.

A third technical problem to be solved by the present invention is to provide a separation module that achieves the purpose of improving the separation capacity by air flow impingement.

The fourth technical problem to be solved by the invention is to provide a cleaning machine for both dry and wet purposes.

The technical scheme adopted by the invention 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;

a filter covering the air outlet;

it is characterized by also comprising

An impeller rotatably disposed within the chamber and drivingly connected to the filter element for driving at least a portion of the filter element in movement relative to the housing.

The structural style of filtering piece has the multiple, for the convenience to tremble the dust on filtering the piece, filter the piece including being annular go-between and setting up flexible filter in the go-between, the longitudinal section of flexible filter is the ripple form. So, at impeller pivoted in-process, stir the cassette easily, make the dust clearance of cassette get off then.

Preferably, the air exit is seted up on the roof of casing, the week of air exit is formed with the shell that is the back taper along downwardly extending, the lower extreme of shell is uncovered, the impeller can set up with rotating in the shell and on the open position of neighbouring lower extreme, and the axis of rotation of this impeller extends along upper and lower direction, the impeller pass through the drive strip with flexible cassette contacts. Therefore, in the rotating process of the impeller, the driving strip rotates along with the impeller to flap the flexible filter plate, so that dust on the flexible filter plate is flapped.

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 vertical 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 includes first blade segment and the second blade segment that upwards arranges in proper order from bottom to top, the vertical section of first blade segment with the contained angle that becomes between the axis of rotation of impeller is alpha, the vertical section of second blade segment with the contained angle that becomes between the axis of rotation of impeller is beta, wherein contained angle alpha > beta. Therefore, the whole blade adopts a bending structure, and the bent blade effectively inhibits the separation at the outlet of the blade (the downstream position of the blade along the fluid flow path), thereby weakening the accumulation of low-energy fluid and reducing the flow loss.

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

In order to further improve the separation capacity, at least two guide vanes which are arranged at intervals along the circumferential direction are arranged on the position, close to the lower end, of the outer circumferential wall of the shell, and a wind guide channel is formed between every two adjacent guide vanes. The existence of above-mentioned water conservancy diversion piece has improved the probability that the air current mixes the striking, in addition, also can strengthen the rotation of air current, has improved the separation effect.

The vanes may be directly connected to the outer wall of the casing or may be mounted on the outer wall of the casing in the form of a connection ring, but preferably, the outer periphery of the lower end of the casing is sleeved with a ring-shaped collar on which the guide vanes are disposed.

The technical scheme adopted by the invention for solving the second technical problem is as follows: the filtering piece can be arranged at the air outlet along the fluid flowing direction of the air outlet under the action of wind power, and the filtering piece is also applied to the filtering piece and always has an elastic piece with a trend of moving towards the opposite direction in an energy storage state. Therefore, the filtering piece can move along the fluid flowing direction of the air outlet under the action of wind power, and has the tendency of moving towards the opposite direction under the action of the elastic piece, so that the shaking of the filtering piece is realized, and the dust on the filtering piece can be shaken, thereby achieving the purpose of removing the dust on the filtering piece.

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

The elastic member may be in the form of a spring or a spring plate, but preferably, the elastic member is a spring located between the filter member and the cover plate, an 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 invention for solving the third technical problem is as follows: the two air inlets are arranged at intervals along the circumferential direction of the shell, and flow paths of fluid flowing in through the two air inlets are intersected and converged in the cavity, and the intersection is located at the upstream of the lower end opening of the shell along the flow path of the fluid.

In order to improve the separation capacity, the two air inlets are formed in the same side wall of the shell, and the projection of the center 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 located between the two air inlets. Therefore, two air flows flowing out from the two air inlets can generate opposite impact, sedimentation of particles with large specific gravity is facilitated, and the separation effect is improved.

Specifically, air inlet channels are arranged in the cavity at positions corresponding to the air inlets, the number of the air inlet channels is two, the air inlet channels are located on the periphery of the cyclone separator, an arc-shaped flow channel is formed between the outer side wall of the cyclone separator and the inner side wall of the cavity, two ends of the cross section of the arc-shaped flow channel are respectively communicated with the two air inlet channels, and the intersection is located in the arc-shaped flow channel.

Preferably, the number of the chambers is two, and the chambers are communicated with each other, and each chamber is internally provided with one of the shells and is correspondingly provided with two of the air inlets. The existence of two cavities has increased the intake of separation module, can alleviate the too big condition of windage because of the amount of wind is too big.

The technical scheme adopted by the invention for solving the fourth technical problem is as follows: a cleaning machine with above-mentioned separation module which characterized in that: the air purifier is characterized by further comprising a cleaning module and a fan, the separating module is located between the cleaning module and the fan along an airflow flow path, each air inlet of the separating module is communicated with the outlet of the cleaning module, and the air outlet of the separating module is communicated with the inlet of the fan.

Compared with the prior art, the invention has the advantages that: this an impeller for separation module of cleaner can set up in the cavity with rotating, and is connected with filtering a piece drive to the drive filters the shell motion relatively of at least local ability of piece, then filters the dust of piece and can be cleared up automatically, thereby has reached and has clear away the purpose of filtering the piece dust, has overcome the loaded down with trivial details nature that needs the manual shake of user to bring among the background art, and is more laborsaving, and user experience is good.

Drawings

FIG. 1 is a schematic structural diagram of the present embodiment;

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

FIG. 3 is an enlarged view of section I of FIG. 2;

FIG. 4 is a cross-sectional view at another angle 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 structural 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 of a part of the structure of the cleaning machine of the present embodiment;

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

Detailed Description

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

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 separating module 04 for separating a mixture of water and dust, the separating module 04 being located between the cleaning module 01 and the fan 5 along an airflow flow path. The intake 411 of the separation module 04 is in communication with the outlet of the cleaning module and the exhaust 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 separation module 04, so that dust, water and other garbage are sucked into the cleaning module 01 through the dust suction port 111 of the cleaning module 01, and then the gas separated by the separation 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 housing 4 has two chambers 41 arranged side by side and communicated with each other, each chamber 41 has an air inlet 411, the air inlet 411 is opened on a front side wall of the housing 4, a 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 a corresponding air outlet 412, and the air outlet 412 is located downstream of the air inlet 411 along a fluid flow path. In addition, a cover plate 49 is provided on the casing 4 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, a baffle 46 is installed on the sidewall of the housing 4 where the air inlet 411 is located, an opening 461 is opened on the baffle 46 at a position corresponding to the air inlet 411, a blocking piece 462 capable of moving relative to the air inlet 411 to open or close the air inlet 411 is installed on the baffle 46 at a position corresponding to the opening 461, specifically, the blocking piece 462 is rotatably installed on the side edge of the opening 461 and opens the opening 461 under the action of wind, and the blocking piece 462 itself has elasticity and always has a tendency of closing the opening 461 under the action of its own elasticity, so that, in a non-working state, the air flow in the separation module is prevented from being guided to the cleaning module 01 through the opening 461.

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

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

Thus, the air flow entering through one of the air inlets 411 and the air flow entering through the other air inlet 411 collide with each other in the arc-shaped flow passage 414, at this time, particles with large specific gravity settle due to the collision, the two settled air flows enter the inlet 421 of the housing 42, the air after cyclone separation of the housing 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 a position of the outer peripheral wall of the outer casing 42 adjacent to the lower end, at least two blades 451 arranged at intervals along the circumferential direction are arranged on the outer peripheral wall of the collar 45, an air guide channel 452 is formed between two adjacent blades 451, and the air guide channel 452 is located upstream of the inlet 421 and downstream of the arc-shaped flow channel 414 along the fluid flow path.

As shown in fig. 3 and 8, the air outlet 412 is covered with a filter member 43, and an annular seal ring (not shown) is disposed between the filter member 43 and the air outlet 412. Specifically, the filter member 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 located below the filter member 43, the impeller 40 is capable of rotating around its axis under the action of wind, specifically, the impeller 40 includes a connecting shaft 402 and blades 401, the connecting shaft 402 extends in the up-down direction, the housing 42 is provided with brackets 425 extending transversely at a position adjacent to the inlet 421, as shown in fig. 8, the connecting shaft 402 is rotatably provided on the brackets 425, and the blades 401 have 10 blades, and are circumferentially spaced apart from each other on the outer circumferential wall of the connecting shaft 402. As shown in fig. 3, 9 and 10, the blade 401 includes a first blade segment 4011 and a second blade segment 4012 arranged in this order from bottom to top, and as shown in fig. 10, an included angle formed between a longitudinal section of the first blade segment 4011 and a rotation axis of the impeller 40 is α, and an included angle formed between a longitudinal section of the second blade segment 4012 and a rotation axis of the impeller 40 is β, where the included angle α > β, and thus, the aforementioned blade is of a bent structure. In this embodiment, 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, the heights of the first blade segment 4011 and the second blade segment 4012 are equal along the vertical direction.

In order to realize shaking of the flexible filter sheet 432, the 5 blades 401 of the impeller 40 arranged at intervals are all provided with the driving strips 403, and as shown in fig. 3 and 10, as for an example, the upper edge of the second blade segment 4012 of the blade 401 is provided with the driving strips 403 arranged at intervals along the length direction of the upper edge and extending upwards, and the upper end of the driving strip 403 is in contact with the flexible filter sheet 432, so that in the process of rotating the impeller 40, the driving strips 403 rotate along with the impeller 40, so as to stir the flexible filter sheet 432, similarly to beating the flexible filter sheet 432, at this time, dust on the flexible filter sheet 432 is beaten down.

Furthermore, an elastic element is provided between the cover plate 49 and the filter element 43, which element always has the tendency to move the filter element 43 downward in the charged state. Specifically, as shown in fig. 2 and 4, the elastic member is a spring 400, an upper end of the spring 400 is in contact with the cover plate 49, and a lower end of the spring 400 is in contact with the connection ring 431 of the filter member 43. Thus, under the effect of induced draft of fan 5, filter 43 can move up under the wind-force effect and the elasticity of sealing member to can move down under the effect of spring 400, thereby realized filtering the shake of piece 43, then the dust of filtering on the piece is shaken down.

The specific orientation of the above embodiment is shown by the arrows in fig. 4.

The term "fluid communication" as used herein refers to the spatial relationship between two components or portions (hereinafter collectively referred to as a first portion and a second portion respectively), i.e., the 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 direct communication between the first portion and the second portion, or indirect communication between the first portion and the second portion via at least one third element, such as a fluid channel, such as a pipe, a channel, a conduit, a flow guide, a hole, a groove, a chamber allowing the fluid to flow therethrough, or a combination thereof.

Directional terms such as "front," "rear," "upper," "lower," "left," "right," "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 invention, but are used herein for convenience of description only and are to be determined based on the example orientations shown in the figures. Because the disclosed embodiments of the invention may be oriented in different directions, the directional terms are used for illustrative purposes and should not be construed as limiting, and for example, "upper" and "lower" are not necessarily limited to directions 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 intake vent (411) and an exhaust vent (412) in fluid communication with the intake vent (411), the exhaust vent (412) being downstream of the intake vent (411) along a fluid flow path;

a filter (43) covering the air outlet (412);

it is characterized by also comprising

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

2. The separation module of claim 1, wherein: the filter piece (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: air exit (412) are seted up on the roof of casing (4), the week of air exit (412) is formed with shell (42) that are the back taper along downwardly extending, the lower extreme of shell (42) is uncovered, impeller (40) can set up with rotating in shell (42) and on the open position of neighbouring lower extreme, and the axis of rotation of this impeller (40) extends along upper and lower direction, impeller (40) through drive strip (403) with flexible cassette (432) contact.

4. The separation module of claim 3, wherein: impeller (40) include connecting axle and blade (401), connecting axle (402) extend along upper and lower direction, blade (401) have a plurality ofly, and arrange along circumference interval on the periphery wall of connecting axle (402), drive strip (403) upwards extend, at least two be provided with on blade (401) drive strip (403).

5. The separation module of claim 3, 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, an included angle formed between the longitudinal section of the second blade segment (4012) and the rotation axis of the impeller (40) is beta, and 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 is 4.5x, the profile of the cross-section of the first blade segment (4011) satisfies: y is 3 x.

7. The separation module of claim 3, wherein: the air guide device is characterized in that at least two guide vanes (451) which are arranged at intervals along the circumferential direction are arranged on the position, close to the lower end, of the outer circumferential 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 an annular lantern ring (45), and the flow deflector (451) is arranged on the lantern ring (45).

9. The separation module according to any one of claims 1 to 8, wherein: filter piece (43) can be along under the wind-force effect the fluid flow direction movingly of air exit (412) sets up air exit (412) department, still including being used in filter piece (43) are last, and make under the energy storage state always filter piece (43) have towards the elastic component of opposite direction movement trend.

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 air discharge port (412), and an air discharge passage (491) communicating with the air discharge port (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 3 to 11, wherein: the two air inlets (411) are arranged at intervals along the circumferential direction of the outer shell (42), and the flow paths of the fluid flowing in through the two air inlets (411) are intersected in the chamber (41) along the flow paths of the fluid, and the intersection is positioned at the upstream of the lower end opening of the outer shell (42).

13. The separation module of claim 12, wherein: the two air inlets (411) are formed in the same side wall of the shell (4), and the projection of the center line of the shell (42) on the plane where the air inlets (411) are located along the flowing direction of fluid flowing in through the air inlets (411) is located between the two air inlets (411).

14. The separation module of claim 13, wherein: be provided with inlet air duct (413) in chamber (41) on the position that corresponds air intake (411), inlet air duct (413) have two, and all are located cyclone (42) are peripheral, be formed with arc runner (414) between the lateral wall of cyclone (42) and the inside wall of chamber (41), the both ends of the cross section of arc runner (414) respectively with two inlet air duct (413) are linked together, the intersection is located in arc runner (414).

15. The separation module of claim 14, wherein: the number of the cavities (41) is two, the cavities are communicated with each other, one shell (42) is arranged in each cavity (41), and the two air inlets (411) are correspondingly arranged in each cavity.

16. A cleaning machine having a separation module according to any one of claims 1 to 15, characterized in that: the air purifier is characterized by further comprising a cleaning module (01) and a fan (5), the separating module (04) is located between the cleaning module (01) and the fan (5) along an airflow flow path, each air inlet (411) of the separating module (04) is communicated with an outlet of the cleaning module (01), and an air outlet (412) of the separating module is communicated with an inlet (211) of the fan (5).