CN217118305U - Surface cleaning device - Google Patents

Abstract

The utility model discloses a surface cleaning device, which comprises a scrubbing brush part and a cover plate, wherein the scrubbing brush part is provided with a dust bin and the cover plate which is positioned at the lower side of the scrubbing brush part and can be opened and closed up and down, the surface cleaning device also comprises an air outlet component and a peripheral wall surrounding the air outlet component, a cyclone cavity is formed between the air outlet component and the peripheral wall surrounding the air outlet component, the peripheral wall is provided with a tangential inlet, the axial direction of the cyclone cavity is approximately parallel to the surface to be cleaned, the cyclone cavity is communicated with the dust bin, the lower side of the scrubbing brush part is provided with a plurality of rollers for moving and cleaning the scrubbing brush part on the surface to be cleaned, wherein, the lower side of the cover plate is provided with at least one roller for supporting the roller with the surface to be cleaned, the cover plate can be automatically closed through the support of the roller, the surface cleaning device is on the basis of adopting a cyclone separator and being beneficial to reducing the height of the scrubbing brush part, and simultaneously meeting the moving requirement of the scrubbing brush part, the purpose of automatically closing the cover plate is achieved.

Description

Surface cleaning device

Technical Field

The utility model relates to a surface cleaning device technical field such as electric dust absorption mop, floor cleaning machine, dust catcher, robot of sweeping floor (also known as ground is precious), specifically say a surface cleaning device.

Background

In a surface cleaning device having a suction port (a suction port sucks dirty dirt such as dust into a dust bin or a dirt collecting chamber) such as an electric dust-collecting mop, a floor-washing machine, a vacuum cleaner, a floor-sweeping robot (also called a floor cleaner), a part which needs to be moved and cleaned is required to be arranged on a surface to be cleaned because the dirty dirt needs to be sucked through the suction port, and the part is called a floor brush part in the disclosure, the floor brush part moves on the surface to be cleaned, and the dirty is sucked through the suction port, a filtering component, the dust bin or the dirt collecting chamber can be integrally arranged on the floor brush part, or can be separately arranged at a far end (namely, the floor brush part is only provided with a suction related structure, and the filtering component, the dust bin or the dirt collecting chamber and the floor brush part are separately arranged, for example, a common handheld cyclone dust collector is provided, and the filtering component comprises a cyclone separator, and the cyclone separator and the floor brush part are communicated through a suction pipe attachment), the present disclosure mainly discusses a technical scheme that a cyclone separator, a dust bin or a dirt collecting chamber are integrally arranged on a ground brush part, and the structure is complex and large due to the integrated arrangement, particularly the height, and is difficult to further reduce when the cyclone separator is arranged, and the cyclone separator has the advantages of good separation effect and no material consumption, so that at present, for a surface cleaning device adopting the cyclone separator structure, if the height of the ground brush part is required to be smaller, only the separation arrangement can be adopted, and in addition, like a sweeping robot (also called as a floor cleaner) (the whole sweeping robot can be regarded as a ground brush, for convenience of description, the present disclosure refers to the sweeping robot as a ground brush part integrating an air exhaust component and a self-walking structure), if the cyclone separator structure is adopted, the height of the sweeping robot can be greatly increased according to the current structural design, the sweeping robot is not easy to drill into the space with lower height such as the space below a sofa, and the moving range of the sweeping robot is seriously hindered.

The applicant has therefore proposed a surface cleaning apparatus which, while using a cyclone separator, facilitates lowering of the height of a floor brush part and facilitates dumping of dust, the floor brush part of which is provided with a dust bin and a cover plate located below the floor brush part and openable up and down, a rotatable part being provided between one end of the cover plate and the floor brush part, the rotatable part enabling the cover plate to swing open and close around said one end to open/close the dust bin, the other end of the cover plate being connected to the floor brush part by a detachable connection structure, but the floor brush part needs to move smoothly over the surface to be cleaned, so that there is no ready solution in how to achieve automatic closing of the cover plate while satisfying the movement requirements, and to this end, the applicant has further proposed a surface cleaning apparatus which, on the basis of using a cyclone separator and facilitating lowering of the height of the floor brush part, and the aim of automatically closing the cover plate is fulfilled while the requirement of moving the floor brush part is met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art's defect, provide a surface cleaning device, on the basis that adopts cyclone and be favorable to reducing the height of scrubbing brush part to when satisfying the removal requirement of scrubbing brush part, realize the purpose of self-closing apron.

Compared with the prior art, the utility model provides a surface cleaning device, including scrubbing brush part and apron, the scrubbing brush part is equipped with dirt storehouse and the apron that can open and shut from top to bottom that is located scrubbing brush part downside, set up rotatable portion between the one end of apron and the scrubbing brush part, this rotatable portion realizes the apron around one end swing open and shut and open/close dirt storehouse, realize connecting through detachable connection structure between the other end of apron and the scrubbing brush part, still include air outlet assembly and the perisporium around air outlet assembly, form the whirlwind chamber between air outlet assembly and the perisporium around air outlet assembly, the perisporium is equipped with the tangential import, the axial in whirlwind chamber and the roughly parallel arrangement of surface to be cleaned, the whirlwind chamber communicates with the dirt storehouse and sets up, scrubbing brush part downside is equipped with and supplies scrubbing brush part to remove clear a plurality of gyro wheels on the surface to be cleaned, wherein, the downside of apron is equipped with at least one gyro wheel, the roller is used for supporting the surface to be cleaned, the cover plate can be automatically closed through the support of the roller, and the connection between the other end of the cover plate and the floor brush part is recovered through the detachable connection structure during automatic closing.

Preferably, the rotatable portion is provided with a torsion spring, and the cover plate can be automatically opened when the detachable connection structure is opened by an elastic force of the torsion spring.

Preferably, the cyclone chamber is arranged with its axial direction substantially crosswise to the direction of advance of the brush portion, and the tangential inlet is arranged in said direction of advance.

Preferably, the cyclone chamber and the dust bin are arranged in sequence along the axial direction of the cyclone chamber.

Preferably, a dust baffle plate is arranged between the cyclone chamber and the dust bin.

Preferably, the cyclone cavity and the dust bin are communicated through a dust outlet, the dust outlet and the tangential inlet are arranged in a staggered mode along the axial direction of the cyclone cavity, and the dust outlet adopts a tangential outlet and/or an axial outlet.

Preferably, the air outlet end, the tangential inlet and the dust outlet of the air outlet assembly are sequentially arranged along the axial direction of the cyclone cavity.

Preferably, the scrubbing brush part is equipped with and holds the chamber, holds the chamber setting dust storehouse, air outlet assembly and perisporium, the apron is located and holds the chamber downside, the apron through the opening and shutting come the opening/close and hold the chamber.

Preferably, the peripheral wall is formed by splicing two transversely detachable parts, namely a first part and a second part, the first part and the second part are spliced to form the cyclone chamber, the first part is fixedly arranged in the accommodating chamber, and the second part is opened after the cover plate is opened or can be opened together with the cover plate.

Preferably, the first part and the second part are arranged up and down, and the first part and the second part can be opened up and down.

Preferably, a splicing structure which can be opened and closed relatively in a rotating way is adopted between the first part and the second part.

Preferably, the dust bin is formed by splicing two transversely detachable parts, the two parts are respectively marked as a third part and a fourth part, the fourth part and the second part are both arranged on the cover plate, and when the cover plate is opened, the fourth part and the second part are opened simultaneously.

Preferably, the air outlet member is provided on the second portion, and is exposed to the outside of the floor brush portion after the second portion is opened.

Preferably, when the dust blocking partition plate is arranged between the cyclone chamber and the dust bin, the dust blocking partition plate is fixedly arranged, and the second part can be opened relative to the dust blocking partition plate.

Preferably, the tangential inlet is provided on the second portion, which is also exposed outside the brush section after the second portion is opened.

Preferably, the scrubbing brush part is equipped with collects the portion, collects the portion and is used for the scrubbing brush part to gather together by clean surface's filth when advancing, collects the portion and sets up the suction inlet that gathers, and the tangential import with gather the suction inlet detachable intercommunication and be connected, open the back in the second part, the tangential import with gather the suction inlet separately, after the second part splices with the first part again, the tangential import with gather the suction inlet and be connected again.

Preferably, the ground brush part is also provided with a filter, the filter is communicated and connected with the air extraction assembly through an air extraction flow channel, and the filter, the cyclone cavity and the dust bin are sequentially arranged in the ground brush part along the axial direction of the cyclone cavity.

Preferably, the ground brush part is also provided with an air suction assembly and a self-walking structure.

After adopting above-mentioned structure, compare with prior art, the utility model has the advantages of it is following:

although the cyclone separator is arranged, the axial direction of the cyclone cavity is approximately parallel to the surface to be cleaned, the height of the ground brush part is favorably reduced, and meanwhile, the cover plate which is positioned on the lower side of the ground brush part and can be opened and closed up and down is arranged to open the dust bin to pour dust, so that the cyclone separator does not need to be taken out to pour dust, the shell and the base for taking and placing the cyclone separator are omitted, the height of the ground brush part is reduced, and in addition, the dust pouring is convenient. Meanwhile, a plurality of idler wheels for moving and cleaning the floor brush part on the cleaned surface are arranged on the lower side of the floor brush part, at least one idler wheel is arranged on the lower side of the cover plate and used for supporting the cleaned surface, the cover plate can be automatically closed through the support of the idler wheels, and the other end of the cover plate is connected with the floor brush part through the detachable connection structure during automatic closing, so that the cover plate can be automatically closed. To sum up, this application is adopting cyclone and be favorable to reducing the basis of the height of scrubbing brush part to when satisfying the removal requirement of scrubbing brush part, realize the purpose of self-closing apron.

Drawings

FIG. 1 is a perspective view of a floor brush of a surface cleaning apparatus performing a cleaning operation on a surface to be cleaned.

Figure 2 is a top view of a floor brush portion of a surface cleaning apparatus.

FIG. 3 is a schematic sectional view taken along line A-A.

FIG. 4 is a schematic sectional view along the line B-B.

Fig. 5 is a perspective view from below.

Fig. 6 is one of perspective views of an open state.

Fig. 7 is a second perspective view of the open state.

Fig. 8 is a perspective view with a top partially cut away.

Fig. 9 is a top view of fig. 8.

The reference number indicates that 1-machine body, 2-air outlet component, 3-cyclone chamber, 4-tangential inlet, 5-first part, 6-second part, 7-rotating part, 8-dust bin, 9-tangential outlet, 10-axial outlet, 11-air outlet end, 12-dust baffle, 13-button, 14-elastic part, 15-first hook part, 16-second hook part, 17-filter screen, 18-air outlet pipe, 19-collecting part, 20-cleaned surface, 21-filter, 22-cover plate, 23-sealing pad, 24-roller and 25-collecting suction port.

Detailed Description

The following description is presented to disclose the invention so as to enable any person skilled in the art to practice the invention. The embodiments in the following description are given by way of example only, and other obvious variations will occur to those skilled in the art. The basic principles of the invention, as defined in the following description, may be applied to other embodiments, variations, modifications, equivalents and other technical solutions without departing from the spirit and scope of the invention.

In the present disclosure, it should be noted that dust is a generic term, and not just dust, but all dirt, garbage, and the like that can be sucked and processed by a surface cleaning apparatus when cleaning is performed are referred to as dust.

The following is a more detailed description of the present invention:

the present disclosure provides a surface cleaning device, and the disclosed technical solution is applicable to various products, such as an electric dust collecting mop, a dust collector, a sweeper, a sweeping robot (also called a floor cleaner), and the like. The present disclosure is directed to a surface cleaning apparatus, generally referred to as a household, or small, surface cleaning apparatus, which is also a feature of a surface cleaning apparatus provided by the present disclosure, that is, the overall size of the apparatus is small, and the apparatus is suitable for cleaning small spaces.

For easy understanding, as shown in fig. 1 to 9, the present disclosure specifically exemplifies a floor brush part of a surface cleaning apparatus, the floor brush part is provided with a containing cavity and a cover plate 22 which is located at the lower side of the containing cavity and can be opened and closed up and down, a dust bin 8, an air outlet component 2 and a peripheral wall surrounding the air outlet component 2 are arranged in the containing cavity, a cyclone cavity 3 is formed between the air outlet component 2 and the peripheral wall surrounding the air outlet component, the peripheral wall is provided with a tangential inlet 4, the cyclone cavity 3 is arranged in a way that the axial direction is substantially parallel to a surface 20 to be cleaned, the cyclone cavity 3 is arranged to be communicated with the dust bin 8, and the cover plate 22 is used for opening the dust bin 8 to pour dust. Of course, it is also possible that the cover plate 22 is located on the upper side of the accommodating cavity, however, the cover plate 22 is located on the lower side of the accommodating cavity to facilitate dust pouring and cleaning. The floor brush part can be used for an electric dust collection mop, a dust collector, a sweeper, a sweeping robot (also called a floor cleaner) and the like, if the floor sweeping robot is used, the sweeping robot can be realized by adding a suction component and a self-walking structure on the basis of the floor brush part, and at the moment, the floor brush part is a body of the sweeping robot.

In some embodiments, the floor brush part comprises a machine body 1, a filter 21, a cyclone chamber 3 and a dust bin 8 are integrated in the machine body 1, and the filter 21 is connected with the air extraction component through an air outlet pipe 18 in a communication mode. The machine body 1 further comprises an air outlet assembly 2 and a peripheral wall surrounding the air outlet assembly 2, the air outlet assembly 2 is provided with a filter screen 17, the cyclone cavity 3 is formed between the air outlet assembly 2 and the peripheral wall surrounding the air outlet assembly 2, the peripheral wall is provided with a tangential inlet 4, and the peripheral wall is formed by splicing two transversely detachable parts which are respectively marked as a first part 5 and a second part 6. As shown in fig. 4 and 5, the first part 5 and the second part 6 are in a splicing state, in order to improve the sealing performance after splicing, a sealing gasket 23 is arranged between the first part 5 and the second part 6, as shown in fig. 6 and 7, the first part 5 and the second part 6 are in a separation state, when in the separation state, the cyclone chamber 3 is in an open state, thereby facilitating cleaning, and further, when in the separation state, the dust bin 8 is simultaneously in the open state, thereby facilitating dust dumping. As shown in fig. 9, the arrows in the figure indicate the main flow direction of the suction airstream.

In some embodiments, as shown in fig. 3, 8 and 9, the filter 21, the cyclone chamber 3 and the dust bin 8 are sequentially arranged in the machine body 1 along the axial direction of the cyclone chamber 3. After the design, the structure is compact, and in addition, the width along the advancing direction can be made narrower.

In some embodiments, as shown in FIGS. 4, 5 and 6, the axial direction of the cyclone chamber 3 is arranged substantially crosswise to the direction of advance of the brush portion, and the tangential inlet 4 is arranged in said direction of advance. After the design, on one hand, when the scrubbing brush part is pushed, dust enters the cyclone cavity 3 from the tangential inlet 4 along the forward direction, which is beneficial to better cleaning the cleaned surface 20, and on the other hand, the design of entering the flow passage is beneficial to simplification, thereby reducing the structural size, and in addition, the implementation of the technical scheme that the filter 21, the cyclone cavity 3 and the dust bin 8 are sequentially arranged along the axial direction of the cyclone cavity 3 is beneficial.

In some embodiments, as shown in fig. 6 and 7, the first part 5 and the second part 6 are arranged up and down, the second part 6 and the axial extension part are arranged on the cover plate 22, and the cover plate 22 realizes the separation/splicing of the second part 6 and the first part 5 and the opening/closing of the dust bin 8 through the opening and closing arrangement. In the brush section, the first and second sections 5, 6 are arranged above each other to facilitate lowering of the height of the brush section.

In some embodiments, as shown in fig. 6 and 7, a splicing structure capable of being opened and closed relatively in a rotating manner is adopted between the first part 5 and the second part 6, and specifically, a rotatable part 7 is arranged between one end of the cover plate 22 and the machine body 1, so that a rotatable connection is realized, and the rotatable connection realizes that the cover plate 22 is opened and closed around the one end in a swinging manner, so that the design structure is simple, and the opening and closing are reliable. In order to fix the cover plate 22 well and facilitate opening at the same time, as shown in fig. 3, the other end of the cover plate 22 is connected with the machine body 1 through a connection structure formed by a button 13, an elastic member 14, a first hook 15 and a second hook 16, the button 13 and the elastic member 14 are both arranged on the side wall of the machine body 1, the button 13 adopts a lever type structure, the button 13 is rotatably connected with a rotating support arranged on the side wall, the elastic member 14 is arranged between the upper end of the button 13 and the side wall, the lower end of the button 13 is provided with the first hook 15, the other end of the cover plate 22 is provided with the second hook 16 matched with the first hook 15, when the button 13 is pressed, the first hook 15 releases the second hook 16, so that the cover plate 22 is opened, and in order to allow the cover plate 22 to be automatically opened better, the rotatable portion 7 is provided with a torsion spring, and by means of the elastic force of the torsion spring, the cover 22 is better able to open automatically after the first hook 15 releases the second hook 16.

In some embodiments, as shown in fig. 3, 8 and 9, the cyclone chamber 3 and the dust bin 8 are arranged in communication through a dust outlet, the dust outlet and the tangential inlet 4 are arranged in a staggered manner along the axial direction of the cyclone chamber 3, and the dust outlet adopts a tangential outlet 9 and/or an axial outlet 10. So designed, the dust can be better introduced into the dust bin 8 through the tangential outlet 9 and/or the axial outlet 10, thereby facilitating cyclonic separation.

In some embodiments, as shown in FIGS. 3, 6, 8 and 9, a dust barrier 12 is provided between the cyclone chamber 3 and the dust bin 8. With this arrangement, dust entering the dust bin 8 is prevented from being drawn back into the cyclone chamber 3.

In some embodiments, the air outlet end 11, the tangential inlet 4, and the dust outlet of the air outlet assembly 2 are sequentially arranged along the axial direction of the cyclone chamber 3. After the design, compact structure forms the preferred whirlwind separation structure in addition.

In some embodiments, as shown in fig. 5, 6 and 7, the dust bin 8 is formed by splicing two transversely detachable portions, which are respectively referred to as a third portion and a fourth portion, the third portion is connected to the first portion 5, the fourth portion is connected to the second portion 6, and the third portion and the fourth portion are detached simultaneously when the first portion 5 and the second portion 6 are detached. After the design, the dust in the cyclone chamber 3 and the dust in the dust bin 8 can be poured out together, so that the use and the cleaning are more convenient.

In some embodiments, as shown in fig. 6 and 7, the first part 5 is fixedly arranged in the body 1 of the surface cleaning apparatus, the second part 6 is openably arranged relative to the first part 5 to open the cyclone chamber 3, and after the second part 6 is opened, the inner surface of the second part 6 is exposed outside the body 1. After the design, the cyclone separation structure does not need to be additionally disassembled together for cleaning, but only the second part 6 needs to be opened and cleaned relative to the first part 5, and the second part 6 and the first part 5 are spliced again after the cleaning is finished.

In some embodiments, as shown in fig. 6 and 7, the air outlet member 2 is disposed on the second portion 6, and after the second portion 6 is opened, the air outlet member 2 is also exposed outside the body 1. After the design, the air outlet component 2 can be cleaned more conveniently.

In some embodiments, as shown in fig. 6 and 7, the air outlet assembly 2 is skillfully designed on the basis of being disposed on the second portion 6, specifically, in the case of disposing the dust-blocking partition 12 between the cyclone chamber 3 and the dust bin 8, the dust-blocking partition 12 is fixedly disposed, and the second portion 6 can be disposed in an open manner relative to the dust-blocking partition 12, so that: after the second part 6 is opened, the air outlet assembly 2 is exposed outside the machine body 1, and the dust-blocking partition 12 is fixed, so that the blockage caused by the dust-blocking partition 12 at the end of the second part 6 is removed, and the cleaning is more convenient.

In some embodiments, as shown in fig. 6 and 7, the tangential inlet 4 is provided on the second portion 6, and after the second portion 6 is opened, the tangential inlet 4 is also exposed outside the machine body 1. With this design, on the one hand, the tangential inlet 4 can be cleaned more conveniently, and on the other hand, the cyclone chamber 3 can be arranged close to the surface of the machine body 1, for the scrubbing brush part, i.e. the cyclone chamber 3 is arranged below, because the tangential inlet 4 needs to be arranged tangentially, if the tangential inlet 4 is arranged higher, the cyclone chamber 3 is arranged upwards as a whole, so when the tangential inlet 4 is arranged on the second part 6, the tangential inlet 4 can be arranged closer to the surface of the machine body 1, in this case, because the second part 6 is arranged on the cover plate 22, and the second part 6 is opened along with the cover plate 22, so the tangential inlet 4 is arranged on the cover plate 22, and the cover plate 22 is very close to the surface 20 to be cleaned. The downward arrangement of the cyclone chamber 3 provides additional advantages, such as facilitating height reduction of the housing 1, facilitating exposure of the internal structure of the cyclone chamber 3 for easy cleaning, etc.

In some embodiments, as shown in fig. 6 and 7, the machine body 1 is provided with a collecting part 19, the collecting part 19 is used for collecting dirt on the surface 20 to be cleaned, the collecting part 19 is provided with a collecting suction opening 25, the tangential inlet 4 is separately communicated and connected with the collecting suction opening 25, the tangential inlet 4 is separated from the collecting suction opening 25 after the second part 6 is opened, and the tangential inlet 4 is communicated and connected with the collecting suction opening 25 again after the second part 6 is spliced with the first part 5 again. With such a design, on the basis of the design of splicing the second part 6 with the first part 5, better cleaning performance can be maintained, and the gathering part 19 cannot be arranged due to the design of splicing the second part 6 with the first part 5.

In some embodiments, as shown in figures 6 and 7, the second part 6 comprises an axially extending portion, the second part 6 and the axially extending portion together forming part of the inner surface of the cover plate 22, the axially extending portion serving as a fourth part of the dust bin 8, and the axially extending portion opening with the second part 6 when the third part is secured in the housing 1 to allow the third part and the fourth part to be separated for dumping dust. In this case the axial extension is part of a cover plate 22, the outer surface of the cover plate 22 being arranged as a plane for easy movement over the surface 20 to be cleaned, while the cover plate 22 is substantially a flat plate for simplicity of construction.

In some embodiments, as shown in fig. 5, 6 and 7, the lower surface of the body is provided with a plurality of rollers 24, the plurality of rollers 24 facilitate the movement of the brush part on the surface 20 to be cleaned for cleaning work, wherein the lower side of the cover plate 22 is provided with at least one roller 24, the roller 24 is used for supporting the surface 20 to be cleaned, the cover plate 22 can be automatically closed through the support of the roller 24, and the automatic closing is locked through the cooperation of the first hook part 15 and the second hook part 16.

In some embodiments, as shown in figures 1, 2 and 3, the cyclone chamber 3 is arranged with its axis substantially parallel to the surface 20 to be cleaned during cleaning operation of the surface cleaning apparatus. With such a design, the cyclone chamber 3 and the tangential inlet 4 are arranged closer to the surface 20 to be cleaned, so that the cleaning work can be more efficiently carried out, and the height of the machine body 1 can be reduced.

In understanding the present invention, if necessary, the above structure can be understood together with other embodiments/drawings, and detailed description is omitted here.

The above description is only an illustrative embodiment of the present invention, and therefore all equivalent changes or modifications made by the structure, features and principles of the present invention are included in the protection scope of the present invention.

Claims (18)

1. A surface cleaning device comprises a scrubbing brush part and a cover plate, wherein the scrubbing brush part is provided with a dust bin and a cover plate which is positioned on the lower side of the scrubbing brush part and can be opened and closed up and down, a rotatable part is arranged between one end of the cover plate and the scrubbing brush part, the rotatable part realizes that the cover plate swings around the one end to open and close the dust bin, the other end of the cover plate is connected with the scrubbing brush part through a detachable connecting structure, the surface cleaning device is characterized by further comprising an air outlet assembly and a peripheral wall surrounding the air outlet assembly, a cyclone cavity is formed between the air outlet assembly and the peripheral wall surrounding the air outlet assembly, the peripheral wall is provided with a tangential inlet, the axial direction of the cyclone cavity is approximately parallel to a surface to be cleaned, the cyclone cavity is communicated with the dust bin, the lower side of the scrubbing brush part is provided with a plurality of rollers for the scrubbing brush part to move and clean the surface to be cleaned, and the lower side of the cover plate is provided with at least one roller, the roller is used for supporting the surface to be cleaned, the cover plate can be automatically closed through the support of the roller, and the connection between the other end of the cover plate and the floor brush part is recovered through the detachable connection structure during automatic closing.

2. A surface cleaning apparatus as claimed in claim 1, characterised in that the pivotable portion is provided with a torsion spring, by the resilient force of which the cover plate can be opened automatically when the releasable connection is opened.

3. A surface cleaning apparatus as claimed in claim 1, characterised in that the axial direction of the cyclone chamber is arranged generally crosswise to the direction of advance of the brush portion, and in that the tangential inlet is arranged in said direction of advance.

4. A surface cleaning apparatus as claimed in claim 1, characterised in that the cyclone chamber and the dirt bin are arranged in series in the axial direction of the cyclone chamber.

5. A surface cleaning apparatus as claimed in claim 4, characterised in that a dust barrier is provided between the cyclone chamber and the dirt bin.

6. The surface cleaning apparatus of claim 4, wherein the cyclone chamber is in communication with the dust bin through a dust outlet, the dust outlet and the tangential inlet are staggered along an axial direction of the cyclone chamber, and the dust outlet is a tangential outlet and/or an axial outlet.

7. The surface cleaning apparatus of claim 6, wherein the air outlet end, the tangential inlet, and the dust outlet of the air outlet assembly are arranged in sequence along an axial direction of the cyclone chamber.

8. A surface cleaning apparatus as claimed in any one of claims 1 to 6, characterised in that the scrubbing brush section is provided with a receiving chamber in which the dust bin, the air outlet assembly and the peripheral wall are located, and a cover plate is located on the underside of the receiving chamber, the cover plate opening/closing the receiving chamber by said opening/closing.

9. A surface cleaning apparatus as claimed in claim 8, characterised in that the peripheral wall is formed by a laterally detachable splice of two parts, denoted first and second parts respectively, the first part being fixedly located in the receptacle chamber and the second part being openable after or with the cover plate.

10. A surface cleaning apparatus as claimed in claim 9, characterised in that the first and second sections are arranged one above the other and the first and second sections are openable in an up and down direction.

11. A surface cleaning apparatus as claimed in claim 9, characterised in that the first and second parts are in a relatively rotatable open and closed splice configuration.

12. A surface cleaning apparatus as claimed in claim 9, characterised in that the dust bin is formed by a laterally split splice of two parts, denoted third and fourth parts respectively, the fourth and second parts being provided on the cover plate, the fourth and second parts being opened simultaneously when the cover plate is opened.

13. A surface cleaning apparatus as claimed in claim 9, characterised in that the air outlet means is provided on the second section, the air outlet means being exposed outside the scrubbing portion after the second section is opened.

14. A surface cleaning apparatus as claimed in claim 13, characterised in that, in the event that a dust barrier is provided between the cyclone chamber and the dirt bin, the dust barrier is fixedly arranged and the second part is openable relative to the dust barrier.

15. A surface cleaning apparatus as claimed in claim 9, characterised in that the tangential inlet is provided in the second section and is exposed to the exterior of the brush section after the second section is opened.

16. A surface cleaning apparatus according to claim 15, characterised in that the brush section is provided with a collecting portion for collecting dirt from the surface to be cleaned as the brush section advances, the collecting portion being provided with a collecting suction opening, the tangential inlet being separately and communicatively connected to the collecting suction opening, the tangential inlet being separated from the collecting suction opening after the second section has been opened and being reconnected to the collecting suction opening after the second section has been reconnected to the first section.

17. The surface cleaning apparatus of claim 1, wherein the scrubbing brush portion further comprises a filter, the filter is in communication with the air extraction assembly through the air extraction flow path, and the filter, the cyclone chamber, and the dust bin are sequentially disposed in the scrubbing brush portion along an axial direction of the cyclone chamber.

18. A surface cleaning apparatus as claimed in claim 1 or claim 17, characterised in that the scrubbing brush section is further provided with a suction assembly and a self-walking structure.

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