CN116350121A - Floor brush mechanism and cleaning device - Google Patents

Abstract

The invention relates to the technical field of household appliances, in particular to a floor brush mechanism and a cleaning device. The invention provides a floor brush mechanism which comprises a dust collecting device, wherein the dust collecting device comprises a dust collecting box and two groups of filter components, the dust collecting box is provided with an air inlet and an air outlet, the two groups of filter components are arranged at intervals along a first direction, the filter components comprise a filter screen and a cyclone mechanism which are arranged in the dust collecting box, air entering from the air inlet is discharged from the air outlet after sequentially passing through the filter screen and the cyclone mechanism, and the air inlet is arranged between the filter screens of the two groups of filter components; the cyclone mechanism comprises a second inlet and an outlet which are both arranged above the cyclone mechanism, the outlet is communicated with the air outlet and is positioned at the middle position of the second inlet, so that more small-size dust can be prevented from blocking at the air outlet, and the better cleaning effect of the cleaning device is ensured. The cleaning device can achieve better cleaning effect by applying the floor brush mechanism.

Description

Floor brush mechanism and cleaning device

Technical Field

The invention relates to the technical field of household appliances, in particular to a floor brush mechanism and a cleaning device.

Background

The existing cleaning device comprises a floor brush mechanism and a machine body mechanism which are connected, a dust collecting device for primarily filtering dust and sundries is arranged on the floor brush mechanism, a dust storage device for secondarily filtering the dust and sundries is arranged on the machine body mechanism, the cleaning device can effectively reduce the volume and the quality of the machine body mechanism by separating the dust collecting device from the dust storage device, and an operator can conveniently hold the machine body mechanism to operate the cleaning device. The dust collecting device comprises a dust collecting box and a filter screen, wherein the dust collecting box is provided with an air inlet and an air outlet, the filter screen is arranged inside the dust collecting box, and air entering from the air inlet is discharged from the air outlet after passing through the filter screen. Because the filtering capability of a single filter screen is poor, a plurality of small-volume dust can cross the filter screen and enter the air outlet, so that the air outlet is blocked, and the dust collection effect of the cleaning device is affected. In addition, the impurities of the large particles and the small particles are mixed in the dust box, so that the dust box is inconvenient to clean.

Based on the above, it is needed to provide a dust collecting device, a floor brush mechanism and a cleaning device, so as to solve the problems of inconvenient cleaning of the dust collecting box, poor filtering capability of the dust collecting device, easy blockage of the air outlet and poor dust collection effect of the cleaning device.

Disclosure of Invention

The first object of the invention is to provide a floor brush mechanism which can realize the effect of multi-stage filtration of gas entering from a gas inlet, and a cyclone mechanism can realize the filtration of dust with smaller volume, so that the blockage of more dust with smaller volume at a gas outlet is avoided, and the better cleaning effect of a cleaning device is ensured.

In order to achieve the above purpose, the invention adopts the following technical scheme:

a floor brush mechanism comprising a dust collection device, the dust collection device comprising:

the dust box is provided with an air inlet and an air outlet; and

the two groups of filter components are arranged at intervals along a first direction, the filter components comprise a filter screen and a cyclone mechanism which are arranged in the dust collecting box, gas entering from the gas inlet sequentially passes through the filter screen and the cyclone mechanism and then is discharged from the gas outlet, and the gas inlet is arranged between the filter screens of the two groups of filter components;

the cyclone mechanism comprises a second inlet and an outlet which are both arranged above the cyclone mechanism, the outlet is communicated with the air outlet and is positioned in the middle of the second inlet, and the air passing through the filter screen is discharged from the air outlet after sequentially passing through the second inlet and the outlet.

Preferably, the two groups of filter assemblies are arranged at intervals along the first direction, the two groups of filter assemblies and the dust collecting box form a first dust collecting space together, and the air inlet is positioned between the two groups of filter assemblies along the first direction.

Preferably, the air outlet is located between two groups of filter assemblies along the first direction, and the two groups of filter assemblies are symmetrically distributed on two sides of the air inlet and the air outlet.

Preferably, the cyclone mechanism comprises at least two cyclone cone assemblies which are arranged at intervals along a second direction, and the first direction is perpendicular to the second direction.

Preferably, the dust collecting device further includes:

and the first partition plates are arranged between the adjacent cyclone cone assemblies.

Preferably, the dust collecting device further includes:

the air duct is arranged at the upper part of the dust collection box, the cyclone cone assembly and the air outlet are respectively communicated with the air duct, and the air outlet is positioned at the middle position of the air duct along the first direction.

Preferably, the cyclone cone assembly comprises:

the cyclone cone comprises a cyclone cone body and blades, wherein the cyclone cone body extends downwards from a lower plate of the air duct and is communicated with the inside of the air duct, a first inlet is formed in the bottom end of the cyclone cone body, and the blades are arranged on the periphery of the cyclone cone body and are spirally distributed from top to bottom; and

the dust collection cover is provided with an opening at the upper end, is arranged on the periphery of the cyclone cone body at intervals with the cyclone cone body, and forms the second inlet with the cyclone cone body.

Preferably, the blades are arranged in a plurality, the blades are arranged at equal intervals along the circumference of the cyclone cone body, and adjacent blades form cyclone channels.

Preferably, the ratio of the maximum outer diameter of the cyclone cone body to the maximum outer diameter of the dust hood is 1/3-2/3.

Preferably, the ratio of the maximum outer diameter of the cyclone cone body to the height of the cyclone cone body is 1/3-1/2.

As a preferable scheme, the bottom of the dust collecting cover is provided with an ash outlet.

Preferably, the cyclone mechanism comprises two cyclone cone assemblies, and the ash outlets of the two cyclone cone assemblies face away.

As a preferred scheme, the filter screen with the dust collection box forms the accommodation cavity that is used for placing the whirlwind awl subassembly, the scrubbing brush mechanism still includes:

the second partition plate is arranged in the accommodating cavity and divides the accommodating cavity into an air inlet space and a second dust collecting space which are mutually independent, the air inlet space is opposite to the filter screen, the second inlet is positioned in the air inlet space, and the ash outlet is positioned in the second dust collecting space.

Preferably, the distance between the second partition plate and the filter screen along the first direction is gradually reduced from top to bottom, and an included angle between the second partition plate and the filter screen is 30-150 degrees.

Preferably, the dust collecting box has a dimension L1 along the first direction, the distances between the axes of the two sets of cyclone cone assemblies facing each other along the first direction are L2, the maximum diameter of the cyclone cone assemblies is R, wherein L2/L1 is 0.7-0.9, and R/L1 is 0.04-0.08.

Preferably, the dust collecting box has a dimension L3 along the second direction, and the distance between the axes of the two cyclone cone assemblies at the two ends of each group of the filter assemblies along the second direction is L4, wherein L3/L4 is 0.7-0.9, and r/L1 is 0.25-0.45.

Preferably, the dust box comprises a dust cup, and the dust cup comprises:

the dust cup body is provided with a lower opening at the lower part;

the dust cup cover body is provided with at least a first position for blocking the lower opening and a second position for opening the lower opening relative to the dust cup body; and

the first locking component can enable the dust-falling cup cover body to be switched from the first position to the second position by triggering the first locking component.

As a preferred scheme, lower dirt bowl cover body with dirt cup body pin joint, lower dirt bowl cover body includes first locking part, first locking component includes:

the first button is pivoted with the dust cup body and comprises a second locking part; and

and a second elastic member capable of locking the first locking portion and the second locking portion, and unlocking the first locking portion and the second locking portion by pressing the first button.

Preferably, the floor brush mechanism further comprises:

the dust collecting box is arranged in the accommodating groove, and the dust discharging cup cover body is abutted to the inner wall of the accommodating groove.

Preferably, the dust box further comprises a second locking assembly, the second locking assembly comprising:

the locking piece is arranged on the dust cup;

the first elastic piece is respectively connected with the locking piece and the dust cup, and the first elastic piece can drive the locking piece to be inserted into the shell.

Preferably, the second locking assembly further comprises:

and the second button is arranged on the dust cup, and the second button is triggered to drive the locking piece to compress the first elastic piece so as to separate the locking piece from the shell.

Preferably, the ground brush mechanism further comprises a rolling brush, and the rolling brush comprises:

the first motor comprises a stator and a rotor which are coaxially arranged, the stator is connected with the shell, and the axis of the first motor is parallel to the first direction;

and the bristles are coated on the periphery of the rotor.

The second object of the present invention is to provide a cleaning device with better dust collection effect.

In order to achieve the above purpose, the invention adopts the following technical scheme:

a cleaning device comprising a connecting rod comprising a floor brush mechanism as described above, said connecting rod being in communication with said floor brush mechanism.

As a preferred scheme, the cleaning device further comprises a dust storage device, the dust storage device comprises a handheld dust cup and a second motor, and the handheld dust cup is respectively connected with the second motor and one end, far away from the floor brush mechanism, of the connecting rod.

The beneficial effects of the invention are as follows:

according to the floor brush mechanism provided by the invention, the gas entering from the air inlet is discharged from the air outlet after sequentially passing through the filter screen and the cyclone mechanism, so that the effect of multi-stage filtration on the gas entering from the air inlet can be realized, the cyclone mechanism can realize the filtration on dust with smaller volume, the blockage of more dust with smaller volume at the air outlet is avoided, and the better cleaning effect of the cleaning device is ensured.

The cleaning device provided by the invention can achieve better cleaning effect by applying the floor brush mechanism.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following description will briefly explain the drawings needed in the description of the embodiments of the present invention, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the contents of the embodiments of the present invention and these drawings without inventive effort for those skilled in the art.

FIG. 1 is a schematic view of a cleaning apparatus according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a floor brush mechanism according to an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a roll brush provided by an embodiment of the present invention;

fig. 4 is an exploded view of a dust collecting device provided by an embodiment of the present invention;

FIG. 5 is a schematic view of a cyclone cone according to an embodiment of the present invention;

fig. 6 is a schematic view of a part of a dust collecting device according to an embodiment of the present invention;

fig. 7 is a schematic diagram of a part of a dust collecting device according to an embodiment of the present invention;

fig. 8 is a cross-sectional view of a dust collecting device provided by an embodiment of the present invention;

fig. 9 is a partial cross-sectional view of a dust collecting device provided in an embodiment of the present invention;

FIG. 10 is a schematic view of a dust collector (excluding a cover of a dust cup) according to an embodiment of the present invention;

fig. 11 is a schematic structural view of a dust collecting device according to an embodiment of the present invention;

fig. 12 is a schematic structural diagram of a dust collecting device according to a second embodiment of the present invention;

FIG. 13 is a second partial cross-sectional view of the dust collection device according to the embodiment of the invention;

fig. 14 is a schematic structural view of a second locking assembly according to an embodiment of the present invention.

The figures are labeled as follows:

1000-a floor brush mechanism; 2000-body mechanism; 2001-connecting rod; 2002-dust storage device; 20021-hand-held dirt cup; 20022-a second motor;

100-dust collection device; 200-a housing; 201-accommodating grooves; 300-rolling brush; 301-a first motor; 3011-a stator; 3012-a rotor; 302-bristles;

1-a dust collection box; 11-a dust cup body; 111-air inlet; 112-an air outlet; 113-a first dust collection space; 114-a receiving cavity; 1141-an air inlet space; 1142-a second dust collection space; 115-lower opening; 116-upper opening; 12-a dust-discharging cup cover body; 121-a first locking portion; 13-a first locking assembly; 131-a first button; 1311-a second locking portion; 132-a second elastic member; 14-a second locking assembly; 141-a second button; 1411-a first ramp; 142-locking member; 1421-a second bevel; 1422-a second guide slot; 143-a first elastic member; 144-a first guide mechanism; 1441-guide block; 1442-a first guide groove; 145-a second guide mechanism; 15-a dust-feeding cup cover body; 2-a filter assembly; 21-a filter screen; 22-cyclone cone assembly; 221-cyclone cone; 2211—a cyclone cone body; 22111—a first inlet; 22112-outlet; 2212-leaf; 2213—a cyclone channel; 222-dust hood; 2221-opening; 2222-ash hole; 223-a second inlet; 3-a second separator; 4-an air duct; 41-duct space.

Detailed Description

The invention is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present invention are shown in the drawings.

In the description of the present invention, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

In the present invention, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1, the present embodiment provides a cleaning device, which may be a dust collector, a floor scrubber, a sweeping robot, etc., and may be used for cleaning dirt or garbage on the floor. The cleaning device comprises a ground brush mechanism 1000 and a machine body mechanism 2000, the machine body mechanism 2000 comprises a connecting rod 2001 and a dust storage device 2002, the ground brush mechanism 1000 is arranged at the lower end of the connecting rod 2001 and is communicated with the connecting rod 2001, the dust storage device 2002 is arranged at the upper end of the connecting rod 2001 and is communicated with the connecting rod 2001, the ground brush mechanism 1000 can lift dust or sundries on the ground, the dust storage device 2002 can provide negative pressure and enable the dust or sundries to pass through the ground brush mechanism 1000 and the connecting rod 2001 in sequence and then be stored in the dust storage device 2002.

Specifically, as shown in fig. 1, the dust storage device 2002 includes a handheld dust cup 20021 and a second motor 20022, the handheld dust cup 20021 is respectively connected with the second motor 20022 and one end of the connecting rod 2001 far away from the ground brush mechanism 1000, the second motor 20022 works to enable negative pressure to be generated at the handheld dust cup 20021, and dust and impurities sucked from the ground brush mechanism 1000 can be sucked into the handheld dust cup 20021 due to the negative pressure. In addition, as shown in fig. 1, the second motor 20022 is detachably connected with the handheld dust cup 20021, so that an operator can conveniently detach the handheld dust cup 20021 which is full of dust and impurities from the dust storage device 2002 for cleaning.

As shown in fig. 2, the floor brush mechanism 1000 includes a housing 200, a dust collecting device 100 and a rolling brush 300, the dust collecting device 100 is disposed on the housing 200, as shown in fig. 3, the rolling brush 300 includes a first motor 301 and bristles 302, an axis of the first motor 301 extends along an X direction (a first direction), the first motor 301 includes a stator 3011 and a rotor 3012 which are coaxially disposed, the stator 3011 is connected with the housing 200, the bristles 302 are coated on an outer periphery of the rotor 3012, and the rolling brush 300 adopts a mode of being disposed in the first motor 301, so that a dust storage space of the floor brush mechanism 1000 can be greatly increased.

As shown in fig. 2 and 4, the dust collecting device 100 includes a dust collecting box 1 and a filtering component 2, the dust collecting box 1 is provided with an air inlet 111 and an air outlet 112, the filtering component 2 includes a filter screen 21 and a cyclone mechanism which are arranged in the dust collecting box 1, and air entering from the air inlet 111 is discharged from the air outlet 112 after sequentially passing through the filter screen 21 and the cyclone mechanism, so that the effect of secondary filtering of the air entering from the air inlet 111 can be achieved, the cyclone mechanism can filter dust with smaller volume, the frequency of cleaning a handheld dust cup 20021 by an operator is reduced, and the better cleaning effect of the cleaning device is ensured.

As shown in fig. 4, the filter assemblies 2 are preferably arranged in two groups, the two groups of filter assemblies 2 are arranged at intervals along the X direction, the two groups of filter assemblies 2 and the dust collecting box 1 together form a first dust collecting space 113, and the air inlet 111 is located between the two groups of filter assemblies 2 along the X direction. The gas with dust and sundries entering from the air inlet 111 receives the combined adsorption force of the two filter assemblies 2, so the gas with dust and sundries has a trend of moving towards the space direction between the two filter assemblies 2, and the dust and sundries are deposited in the first dust collection space 113 due to certain gravity, so that only a small amount of dust and sundries in the gas to be filtered can be impacted on the filter assemblies 2, the filter assemblies 2 can be effectively prevented from being blocked, the cleaning frequency of an operator to the dust collection device 100 is reduced, and the user experience of the operator can be better improved.

As shown in fig. 4, the air outlet 112 is located between two groups of filter assemblies 2 along the X direction, the two groups of filter assemblies 2 are symmetrically distributed on two sides of the air inlet 111 and the air outlet 112, the suction forces of two channels are balanced, and the problem of blockage of the single-side filter assembly 2 caused by overlarge suction force of one channel and overlarge total air flow of the single-side filter assembly 2 is avoided.

Preferably, as shown in fig. 4, the cyclone mechanism comprises two cyclone cone assemblies 22 which are arranged at intervals along the Y direction (the second direction), and distances from the two cyclone cone assemblies 22 in one group of cyclone mechanisms to the air outlets are almost the same, so that the suction force of each cyclone cone assembly 22 in one group of cyclone mechanisms is ensured to be basically the same, and the blockage of one or a plurality of cyclone cone assemblies 22 is avoided. In other embodiments, the cyclone cone assemblies 22 may be provided in three, four or more, and the greater the number of cyclone cone assemblies 22 provided, the better the cleaning effect of the cyclone mechanism.

As a preferred scheme, the dust collecting device 100 further comprises a first partition board, the first partition board is arranged between the adjacent cyclone cone assemblies 22, so that mutual interference between the cyclone cone assemblies 22 is avoided, the cyclone filtering effect of the cyclone mechanism is improved, and the better filtering effect of the dust collecting device 100 is ensured.

As a preferred scheme, as shown in fig. 4, the dust collecting device 100 further includes an air duct 4, the air duct 4 is disposed on the upper portion of the dust collecting box 1, the cyclone cone assembly 22 and the air outlet 112 are respectively communicated with the air duct 4, the air outlet 112 is located at a middle position of the air duct 4 along the X direction, so that the communication summary of different cyclone cone assemblies 22 and the air outlet 112 can be realized, and the filtered air in different flow channels can be summarized to the air outlet 112 and then discharged to the connecting rod 2001.

Referring to fig. 4 and 5, the structure of the cyclone cone assembly 22 is described, as shown in fig. 4 and 5, the cyclone cone assembly 22 includes a cyclone cone 221 and a dust collecting cover 222, the cyclone cone 221 includes a cyclone cone body 2211 and blades 2212, the cyclone cone body 2211 extends downward from a lower plate of the air duct 4 and is communicated with the interior of the air duct 4, a first inlet 22111 is provided at a bottom end of the cyclone cone body 2211, the blades 2212 are arranged at an outer periphery of the cyclone cone body 2211 and spirally from top to bottom, an opening 2221 is provided at an upper end of the dust collecting cover 222, the dust collecting cover 222 is arranged at an outer periphery of the cyclone cone body 2211 and is arranged at an interval with the cyclone cone body 2211, and a second inlet 223 is formed between an upper end of the dust collecting cover 222 and the cyclone cone body 2211. The gas passing through the filter screen 21 enters from the second inlet 223 and then flows along the blades 2212 from top to bottom to be cyclone-separated, and the separated clean gas sequentially passes through the first inlet 22111, the inside of the cyclone cone body 2211 and the upper end of the cyclone cone body 2211 as shown in fig. 5 and then is discharged into the air duct 4, and dust separated by cyclone separation is deposited in the dust collecting cover 222 as shown in fig. 4 under the action of gravity, so that the dust collecting cover 222 can realize better recovery effect on the dust. As shown in fig. 4, the dust hood 222 is detachably connected with the cyclone cone body 2211, so that the dust hood 222 can be quickly detached from the cyclone cone body 2211, an operator can quickly clean dust in the dust hood 222, and the dust hood 222 can be repeatedly used for many times.

As shown in fig. 4 and 5, an outlet 22112 is formed in the cyclone cone body 2211 and is communicated with the air duct 4, the second inlet 223 and the outlet 22112 are both disposed above the cyclone cone body 2211, the outlet 22112 is located at the middle position of the second inlet 223, the gas passing through the filter screen 21 sequentially passes through the second inlet 223 and the outlet 22112 and then is discharged from the air outlet 112, the gas entering from the air inlet 111 can pass through a longer path in the cyclone cone assembly 22, and a sufficient cyclone separation effect on the gas can be achieved, so that the gas discharged from the cyclone cone assembly 22 is cleaner.

As shown in fig. 5, the blades 2212 are arranged in a plurality, the blades 2212 are arranged at equal intervals along the circumferential direction of the cyclone cone body 2211, the adjacent blades 2212 form cyclone channels 2213, the blades 2212 form a plurality of groups of cyclone channels 2213 connected in parallel, the filtering efficiency of the cyclone cone assembly 22 on dust can be improved, the volume of the gas passing through the cyclone cone assembly 22 in unit time is large, and the suction force of the cleaning device is large. As shown in fig. 4, the ratio of the maximum outer diameter of the cyclone cone body 2211 to the maximum outer diameter of the dust collecting cover 222 is 1/3-2/3, and the ratio of the maximum outer diameter of the cyclone cone body 2211 to the height of the cyclone cone body 2211 is 1/3-1/2, so that the cyclone cone assembly 22 can achieve better cyclone separation effect under the condition of moderate volume through reasonable size design.

As shown in fig. 6, the dust collecting cover 222 has an ash outlet 2222 at the bottom, and the dust separated by cyclone can be discharged from the ash outlet 2222 into the dust collecting box 1, so as to store and store more dust. As shown in fig. 6 to 8, the cyclone mechanism includes two cyclone cone assemblies 22, the ash outlets 2222 of the two cyclone cone assemblies 22 deviate from each other, so that the cyclone cone assemblies 22 with strong cyclone capability are prevented from forming an air wall at the ash outlet 2222 to influence the cyclone cone assemblies 22 with weak cyclone capability, and each cyclone cone assembly 22 is guaranteed to have a better dust filtering effect.

As shown in fig. 4, 6 and 7, the filter screen 21 and the dust collecting box 1 form a containing cavity 114 for placing the cyclone cone assembly 22, the floor brush mechanism 1000 further comprises a second partition board 3, the second partition board 3 is arranged in the containing cavity 114 and divides the containing cavity 114 into an air inlet space 1141 and a second dust collecting space 1142 which are independent from each other, the air inlet space 1141 is opposite to the filter screen 21, the second inlet 223 is located in the air inlet space 1141, and the ash outlet 2222 is located in the second dust collecting space 1142. By the arrangement of the second partition plate 3, the air passing through the filter screen 21 cannot lift the dust in the second dust collecting space 1142, so that the dust in the second dust collecting space 1142 is prevented from entering the cyclone cone assembly 22 again.

As shown in fig. 9, the distance between the second partition plate 3 and the filter screen 21 along the X direction gradually decreases from top to bottom, so that a larger air inlet area from the filter screen 21 can be ensured, and more air can enter the cyclone cone assembly 22 after passing through the filter screen 21. Preferably, as shown in fig. 9, the included angle between the second partition board 3 and the filter screen 21 is 30-150 degrees.

As shown in fig. 10, the dust collecting box 1 has a dimension L1 along the X direction, the distances between the axes of the two sets of cyclone cone assemblies 22 facing each other along the X direction are L2, the maximum diameter of the cyclone cone assemblies 22 is R, wherein L2/L1 is 0.7-0.9, and R/L1 is 0.04-0.08. The dimension of the dust collection box 1 along the Y direction is L3, the distance between the axes of the two cyclone cone assemblies 22 at the two ends of each group of filter assemblies 2 along the Y direction is L4, wherein L3/L4 is 0.7-0.9, R/L1 is 0.25-0.45, the reasonable arrangement of the cyclone cone assemblies 22 can be realized, and the compact arrangement of the cyclone cone assemblies 22 can be realized.

As a preferred scheme, as shown in fig. 4, 11 and 12, the dust collecting box 1 comprises a dust cup, the dust cup comprises a dust cup body 11, a lower dust cup cover body 12 and a first locking component 13, as shown in fig. 4, a lower opening 115 positioned at the lower part of the dust cup body 11 is formed in the dust cup body 11, the lower dust cup cover body 12 at least has a first position for blocking the lower opening 115 and a second position for opening the lower opening 115 relative to the dust cup body 11, an operator operates the first locking component 13 to trigger the first locking component 13, and the lower dust cup cover body 12 can be switched from the first position to the second position, so that the one-key dust discharging effect of the dust cup can be realized, the operation of the operator is convenient, and the operation is simple and convenient.

As shown in fig. 11 to 13, the lower dust cup cover 12 is pivoted to the dust cup body 11, the lower dust cup cover 12 includes a first locking portion 121, the first locking assembly 13 includes a first button 131 and a second elastic member 132, the first button 131 is pivoted to the dust cup body 11 and includes a second locking portion 1311, the second elastic member 132 can lock the first locking portion 121 and the second locking portion 1311, and the first button 131 is pressed to unlock the first locking portion 121 and the second locking portion 1311, so that the quick locking and unlocking operation of the lower dust cup cover 12 and the dust cup body 11 can be realized.

As a preferred solution, as shown in fig. 2, a housing groove is formed in the housing 200, the dust collecting box 1 is disposed in the housing groove, the dust collecting box 1 is abutted against the inner wall of the housing groove 201, and only when the dust collecting box 1 is taken out from the housing groove and then is unlocked by one key, the dust collecting box 12 can be opened, so that the problem that dust caused by the opening of the dust collecting cup 12 due to the incorrect touching of the first button 131 is scattered on the housing 200 is avoided.

In addition, as shown in fig. 2 and 14, the dust collecting box 1 further includes a second locking assembly 14, and the second locking assembly 14 can realize stable locking of the dust collecting device 100 and the housing 200, so as to prevent the dust collecting device 100 from moving relatively in the housing 200. As a preferred scheme, as shown in fig. 14, the second locking assembly 14 includes a locking member 142 and a first elastic member 143, the locking member 142 is disposed on the dust cup, the first elastic member 143 is connected with the locking member 143 and the dust cup respectively, the first elastic member 143 can drive the locking member 143 to be inserted into the housing 200, and through the arrangement of the first elastic member 143, automatic locking of the locking member 143 can be achieved, so that the effect of stable locking of the dust cup and the housing 200 can be achieved. Specifically, to achieve a large abutment force against the lock piece 143, the first elastic piece 143 may be a spring having a large elastic force.

Preferably, as shown in fig. 14, the second locking assembly 14 further includes a second button 141, where the second button 141 is disposed on the dust cup, and triggering the second button 141 can drive the locking member 142 to compress the first elastic member 143 so as to separate the locking member 142 from the housing 200, so that an operator can implement a quick unlocking action between the dust cup and the housing 200 through a simple triggering action change.

Specifically, as shown in fig. 14, a first inclined plane 1411 is disposed on the second button 141, a second inclined plane 1421 is disposed on the locking member 142, the first inclined plane 1411 abuts against the second inclined plane 1421 and slides mutually, when the second button 141 can slide along the X direction relative to the dust cup, the first inclined plane 1411 and the second inclined plane 1421 cooperate to drive the locking member 142 to move along the Y direction, so that the locking member 142 is disengaged from the housing 200, and quick unlocking of the dust cup and the housing 200 is realized. Preferably, as shown in fig. 14, the second locking assembly 14 further includes a first guiding mechanism 144, where the first guiding mechanism 144 can perform a guiding function on the movement of the locking member 142 along the X direction, so as to avoid the deflection of the locking member 142 along the X direction. Specifically, as shown in fig. 14, the first guide mechanism 144 includes two guide blocks 1441 arranged along the Y direction, a first guide groove 1442 extending along the X direction is formed between the two guide blocks 1441, the locking member 142 is disposed in the first guide groove 1442 and can slide along the first guide groove 1442, and the two guide blocks 1441 can limit the locking member 142 together, so as to ensure that the locking member 142 slides accurately along the X direction.

As shown in fig. 14, the locking member 142 is provided with a second guiding groove 1422 extending along the Y direction, the dust cup is provided with a second guiding mechanism 145 extending along the Y direction, the second guiding mechanism 145 is inserted into the second guiding groove 1422 and can slide along the second guiding groove 1422, and the guiding effect of the locking member 142 moving along the Y direction can be achieved by matching the second guiding mechanism 145 with the second guiding groove 1422, so that the effect of relatively accurately inserting the locking member 142 into the housing 200 is achieved. In other embodiments, the dust cup may be provided with a second guiding groove 1422, the locking piece 142 is provided with a second guiding mechanism 145, and the second guiding mechanism 145 is inserted into the second guiding groove 1422, so that the above effect can be achieved.

Note that the basic principles and main features of the present invention and advantages of the present invention are shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the foregoing embodiments, but rather, the foregoing embodiments and description illustrate the principles of the invention, and that various changes and modifications may be effected therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (10)

1. A floor brush mechanism comprising a dust collecting device (100), characterized in that the dust collecting device (100) comprises:

a dust box (1) is provided with an air inlet (111) and an air outlet (112); and

the two groups of filter assemblies (2) are arranged at intervals along a first direction, the filter assemblies (2) comprise filter screens (21) and cyclone mechanisms which are arranged in the dust collection box (1), gas entering from the gas inlet (111) sequentially passes through the filter screens (21) and the cyclone mechanisms and then is discharged from the gas outlet (112), and the gas inlet (111) is arranged between the filter screens (21) of the two groups of filter assemblies (2);

wherein, cyclone mechanism is including all setting up second import (223) and export (22112) above it, export (22112) with gas outlet (112) are linked together and are located the intermediate position of second import (223), the gas that passes through filter screen (21) is in proper order through second import (223) with export (22112) back follow gas outlet (112) is discharged.

2. The floor brush mechanism according to claim 1, wherein two sets of the filter assemblies (2) are arranged at intervals along a first direction, the two sets of the filter assemblies (2) and the dust collection box (1) together form a first dust collection space (113), and the air inlet (111) is located between the two sets of the filter assemblies (2) along the first direction.

Preferably, the air outlet (112) is located between two groups of filter assemblies (2) along the first direction, and the two groups of filter assemblies (2) are symmetrically distributed on two sides of the air inlet (111) and the air outlet (112).

Preferably, the cyclone mechanism comprises at least two cyclone cone assemblies (22) which are arranged at intervals along a second direction, and the first direction is perpendicular to the second direction.

Preferably, the dust collecting device (100) further includes:

and a first partition plate is arranged between the adjacent cyclone cone assemblies (22).

Preferably, the dust collecting device (100) further includes:

the air duct (4) is arranged on the upper part of the dust collection box (1), the cyclone cone assembly (22) and the air outlet (112) are respectively communicated with the air duct (4), and the air outlet (112) is positioned at the middle position of the air duct (4) along the first direction.

Preferably, the cyclone cone assembly (22) comprises:

the cyclone cone (221) comprises a cyclone cone body (2211) and blades (2212), wherein the cyclone cone body (2211) extends downwards from a lower plate of the air duct (4) and is communicated with the inside of the air duct (4), a first inlet (22111) is formed in the bottom end of the cyclone cone body (2211), and the blades (2212) are arranged on the periphery of the cyclone cone body (2211) and are spirally distributed from top to bottom; and

the dust collection cover (222) is provided with an opening (2221) at the upper end, the dust collection cover (222) is covered on the periphery of the cyclone cone body (2211) and is arranged at intervals with the cyclone cone body (2211), and the second inlet (223) is formed by the upper end of the dust collection cover (222) and the cyclone cone body (2211).

Preferably, a plurality of blades (2212) are arranged, the blades (2212) are distributed at equal intervals along the circumferential direction of the cyclone cone body (2211), and adjacent blades (2212) form cyclone channels (2213).

Preferably, the ratio of the maximum outer diameter of the cyclone cone body (2211) to the maximum outer diameter of the dust collecting cover (222) is 1/3-2/3.

Preferably, the ratio of the maximum outer diameter of the cyclone cone body (2211) to the height of the cyclone cone body (2211) is 1/3-1/2.

Preferably, the dust collecting cover (222) is provided with an ash outlet (2222) at the bottom.

Preferably, the cyclone mechanism comprises two cyclone cone assemblies (22), and the ash outlets (2222) of the two cyclone cone assemblies (22) are away from each other.

As a preferred solution, the filter screen (21) and the dust box (1) form a containing cavity (114) for placing the cyclone cone assembly (22), and the floor brush mechanism further comprises:

the second partition plate (3) is arranged in the accommodating cavity (114) and divides the accommodating cavity (114) into an air inlet space (1141) and a second dust collecting space (1142) which are independent of each other, the air inlet space (1141) is opposite to the filter screen (21), the second inlet (223) is positioned in the air inlet space (1141), and the ash outlet (2222) is positioned in the second dust collecting space (1142).

Preferably, the distance between the second partition plate (3) and the filter screen (21) along the first direction is gradually reduced from top to bottom, and an included angle between the second partition plate (3) and the filter screen (21) is 30-150 degrees.

3. The floor brush mechanism according to claim 1, wherein the dust collection box (1) has a dimension L1 in the first direction, the distances between the axes of the two sets of cyclone cone assemblies (22) facing each other in the first direction are L2, the maximum diameter of the cyclone cone assemblies (22) is R, wherein L2/L1 is 0.7 to 0.9, and R/L1 is 0.04 to 0.08.

Preferably, the dimension of the dust collecting box (1) along the second direction is L3, the distance between the axes of the two cyclone cone assemblies (22) at the two ends of each group of the filter assemblies (2) along the second direction is L4, wherein L3/L4 is 0.7-0.9, and R/L1 is 0.25-0.45.

4. The floor brush mechanism according to claim 1, characterized in that the dust box (1) comprises a dust cup comprising:

the dust cup body (11) is provided with a lower opening (115) positioned at the lower part of the dust cup body;

a lower dust cup cover body (12), wherein the lower dust cup cover body (12) at least has a first position for blocking the lower opening (115) and a second position for opening the lower opening (115) relative to the dust cup body (11); and

the first locking assembly (13) can enable the dust cup cover body (12) to be switched from the first position to the second position by triggering the first locking assembly (13).

5. The floor brush mechanism of claim 4, wherein the lower dust cup cover (12) is pivotally connected to the dust cup body (11), the lower dust cup cover (12) includes a first locking portion (121), and the first locking assembly (13) includes:

a first button (131) pivotally connected to the dust cup body (11) and comprising a second locking portion (1311); and

and a second elastic member (132) capable of locking the first locking portion (121) and the second locking portion (1311), wherein the first locking portion (121) and the second locking portion (1311) are unlocked by pressing the first button (131).

6. The floor brush mechanism of claim 4, further comprising:

the dust collecting device comprises a shell (200), wherein a containing groove is formed in the shell (200), the dust collecting box (1) is arranged in the containing groove, and the dust discharging cup cover body (12) is abutted to the inner wall of the containing groove.

7. The floor brush mechanism according to claim 6, wherein the dust box (1) further comprises a second locking assembly (14), the second locking assembly (14) comprising:

a locking member (142) disposed on the dirt cup;

the first elastic piece (143) is respectively connected with the locking piece (142) and the dust cup, and the first elastic piece (143) can drive the locking piece (142) to be inserted into the shell (200).

8. The floor brush mechanism of claim 7, wherein the second locking assembly (14) further comprises:

and a second button (141) arranged on the dust cup, wherein the second button (141) is triggered to drive the locking piece (142) to compress the first elastic piece (143) so as to separate the locking piece (142) from the shell (200).

9. The floor brush mechanism of claim 7, further comprising a roller brush (300), the roller brush (300) comprising:

a first motor (301) including a stator (3011) and a rotor (3012) coaxially disposed, the stator (3011) being connected to the housing (200), an axis of the first motor (301) being parallel to the first direction;

and bristles (302) which are wrapped around the outer periphery of the rotor (3012).

10. A cleaning device comprising a connecting rod (2001), characterized by comprising a floor brush mechanism according to any one of claims 1 to 9, said connecting rod (2001) being in communication with said floor brush mechanism.

As a preferred scheme, the cleaning device further comprises a dust storage device (2002), the dust storage device (2002) comprises a handheld dust cup (20021) and a second motor (20022), and the handheld dust cup (20021) is respectively connected with the second motor (20022) and one end of the connecting rod (2001) far away from the floor brush mechanism.

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