A surface cleaning apparatus

Abstract

The surface cleaning device comprises a floor brush part and a cover plate, the floor brush part is provided with a dust bin and a cover plate which can be opened and closed up and down at the lower side of the floor brush part, further comprising an air outlet assembly and a peripheral wall surrounding the air outlet assembly, the air outlet assembly and the peripheral wall surrounding the air outlet assembly form a cyclone chamber, the peripheral wall is provided with a tangential inlet, the axis of the cyclone chamber is arranged substantially parallel to the surface to be cleaned, the cyclone chamber is arranged in communication with the dust bin, the lower side of the floor brush part is provided with a plurality of rollers for moving and cleaning the floor 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 surface to be cleaned, the cover plate can be automatically closed through the support of the roller, the surface cleaning device realizes the purpose of automatically closing the cover plate on the basis of adopting the cyclone separator and being beneficial to reducing the height of the floor brush part, and meeting the moving requirements of the floor brush part.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of surface cleaning devices such as electric dust mop, scrubber, vacuum cleaner, robot sweeper (also known as robot cleaner), and specifically relates to a surface cleaning device. BACKGROUND

[0002] In the surface cleaning device such as electric dust mop, scrubber, vacuum cleaner, robot sweeper (also known as robot cleaner) having a suction port (the suction port sucks dirt and other contaminants into the dust bin or the dirt collection chamber), since the dirt needs to be sucked in through the suction port, a part that moves on the surface to be cleaned for cleaning needs to be provided, which is referred to as the brush part in the present disclosure. The brush part moves on the surface to be cleaned, sucks in the dirt through the suction port, and the filter assembly, dust bin or dirt collection chamber can be integrally provided on the brush part or separately provided at a remote end (i.e. the brush part only has the suction-related structure, and the filter assembly, dust bin or dirt collection chamber is separately provided from the brush part, for example, a common handheld cyclone separation vacuum cleaner, which has a cyclone separator, and the cyclone separator and the brush part are connected through a suction pipe accessory). The present disclosure mainly discusses the technical solution of integrally providing the cyclone separator, dust bin or dirt collection chamber on the brush part. Since the cyclone separator, dust bin or dirt collection chamber needs to be integrally provided, the structure is relatively complex and large, especially the height, which is difficult to further reduce when the cyclone separator is provided. However, the cyclone separator has the advantages of good separation effect and no need for consumables. Therefore, at present, for the surface cleaning device using the cyclone separator structure, if the brush part requires a small height, the separation setting must be used. In addition, for the robot sweeper (also known as robot cleaner) (the robot sweeper as a whole can be regarded as a brush, in order to facilitate the description, the robot sweeper is referred to as the brush part integrated with the air suction assembly and the self-walking structure in the present disclosure), if the cyclone separator structure is used, according to the current structure design, it will cause the height of the robot sweeper to increase a lot, which is not conducive to the robot sweeper to drill into the space with low height such as under the sofa, and seriously hinders the activity range of the robot sweeper.

[0003] Therefore, the applicant proposes a surface cleaning device, which is provided with a cyclone separator and has a low height of the floor brush part, and the floor brush part is provided with a dust bin and a cover plate which is openable and closable upward and downward at the lower side of the floor brush part, a rotatable part is arranged between one end of the cover plate and the floor brush part, the rotatable part enables the cover plate to swing open and close around the one end to open / close the dust bin, and the other end of the cover plate and the floor brush part are connected through a detachable connection structure, however, the floor brush part needs to move smoothly on the surface to be cleaned, therefore, how to realize the automatic closing of the cover plate while meeting the moving requirement, there is no ready solution, for this reason, the applicant further proposes a surface cleaning device, which is provided with a cyclone separator and has a low height of the floor brush part, and meets the moving requirement of the floor brush part while realizing the automatic closing of the cover plate. SUMMARY

[0004] The technical problem to be solved by the present application is to overcome the defects of the prior art, and to propose a surface cleaning device, which is provided with a cyclone separator and has a low height of the floor brush part, and meets the moving requirement of the floor brush part while realizing the automatic closing of the cover plate.

[0005] Compared with the prior art, the present application proposes a surface cleaning device, which comprises a floor brush part and a cover plate, the floor brush part is provided with a dust bin and a cover plate which is openable and closable upward and downward at the lower side of the floor brush part, a rotatable part is arranged between one end of the cover plate and the floor brush part, the rotatable part enables the cover plate to swing open and close around the one end to open / close the dust bin, the other end of the cover plate and the floor brush part are connected through a detachable connection structure, further comprising an air outlet assembly and a peripheral wall surrounding the air outlet assembly, the air outlet assembly and the peripheral wall surrounding the air outlet assembly form a cyclone chamber, the peripheral wall is provided with a tangential inlet, the axial direction of the cyclone chamber is arranged substantially parallel to the surface to be cleaned, the cyclone chamber is arranged in communication with the dust bin, the lower side of the floor brush part is provided with a plurality of rollers for moving and cleaning the floor brush part on the surface to be cleaned, wherein the lower side of the cover plate is provided with at least one roller, the roller is used to support the surface to be cleaned, through the support of the roller, the cover plate can be automatically closed, and the connection between the other end of the cover plate and the floor brush part is restored through the detachable connection structure when the cover plate is automatically closed.

[0006] Preferably, the rotatable part is provided with a torsional spring, through the elastic force of the torsional spring, the cover plate can be automatically opened when the detachable connection structure is opened.

[0007] Preferably, the axial direction of the cyclone chamber is arranged substantially crosswise to the advancing direction of the floor brush part, and the tangential inlet is arranged along the advancing direction.

[0008] Preferably, the cyclone chamber and the dust bin are sequentially arranged along the axial direction of the cyclone chamber.

[0009] Preferably, a dust blocking partition is arranged between the cyclone cavity and the dust bin.

[0010] Preferably, the cyclone cavity and the dust bin are communicated through a dust outlet, the dust outlet and the tangential inlet are arranged in axial direction of the cyclone cavity, and the dust outlet is provided with a tangential outlet and / or an axial outlet.

[0011] Preferably, the gas outlet end of the gas outlet assembly, the tangential inlet and the dust outlet are sequentially arranged in axial direction of the cyclone cavity.

[0012] Preferably, the brush part is provided with a containing cavity, the containing cavity is provided with the dust bin, the gas outlet assembly and the peripheral wall, the cover plate is arranged at the lower side of the containing cavity, and the cover plate opens / closes the containing cavity by opening / closing.

[0013] Preferably, the peripheral wall is composed of two transversely detachable parts, which are respectively referred to as a first part and a second part, the first part and the second part are spliced to form the cyclone cavity, the first part is fixedly arranged in the containing cavity, and the second part is opened after the cover plate is opened or can be opened together with the cover plate.

[0014] Preferably, the first part and the second part are arranged in up-down direction, and the first part and the second part can be opened in up-down direction.

[0015] Preferably, the first part and the second part are spliced by a relatively rotatable opening / closing structure.

[0016] Preferably, the dust bin is composed of two transversely detachable parts, which are respectively referred to as a third part and a fourth part, the fourth part and the second part are arranged on the cover plate, and the fourth part and the second part are opened simultaneously when the cover plate is opened.

[0017] Preferably, the gas outlet assembly is arranged on the second part, and the gas outlet assembly is also exposed outside the brush part after the second part is opened.

[0018] Preferably, for the case that the dust blocking partition is arranged between the cyclone cavity and the dust bin, the dust blocking partition is fixedly arranged, and the second part is arranged to be opened relative to the dust blocking partition.

[0019] Preferably, the tangential inlet is arranged on the second part, and the tangential inlet is also exposed outside the brush part after the second part is opened.

[0020] Preferably, the brush part is provided with a collection part, the collection part is used to gather dirt on the cleaned surface when the brush part advances, the collection part is provided with a collection suction port, the tangential inlet and the collection suction port are separately connected in communication, the tangential inlet and the collection suction port are separated after the second part is opened, and the tangential inlet and the collection suction port are re-connected in communication after the second part is spliced with the first part again.

[0021] Preferably, the floor brush part is further provided with a filter, the filter is connected with the air suction assembly through an air suction channel, the filter, the cyclone chamber and the dust bin are sequentially arranged along the axial direction of the cyclone chamber in the floor brush part.

[0022] Preferably, the floor brush part is further provided with an air suction assembly and a self-walking structure.

[0023] Compared with the prior art, the application has the following advantages by adopting the above structure:

[0024] Although the cyclone separator is provided, the axial direction of the cyclone chamber is arranged substantially parallel to the cleaned surface, which is beneficial to reduce the height of the floor brush part. Meanwhile, the up-and-down openable cover plate arranged at the lower side of the floor brush part is used to open the dust bin to pour dust, so that the cyclone separator does not need to be taken out to pour dust, and the shell and the base for taking and placing the cyclone separator are omitted, thereby reducing the height of the floor brush part and facilitating dust pouring. Meanwhile, the lower side of the floor brush part is provided with a plurality of rollers for moving and cleaning the floor brush part on the cleaned surface, wherein the lower side of the cover plate is provided with at least one roller for supporting the cleaned surface. Through the support of the roller, the cover plate can be automatically closed. When the cover plate is automatically closed, the other end of the cover plate is connected with the floor brush part through the detachable connecting structure, so that the cover plate is automatically closed. In summary, the application is based on the cyclone separator and is beneficial to reduce the height of the floor brush part. Meanwhile, the moving requirement of the floor brush part is met, and the purpose of automatically closing the cover plate is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a perspective view of a floor brush of a surface cleaning device on a cleaned surface.

[0026] Figure 2 It is a top view of a floor brush part of a surface cleaning device.

[0027] Figure 3 It is a sectional view along A-A direction.

[0028] Figure 4 It is a sectional view along B-B direction.

[0029] Figure 5 It is a perspective view from a bottom view angle.

[0030] Figure 6 It is one of perspective views in an open state.

[0031] Figure 7 It is another of perspective views in an open state.

[0032] Figure 8 It is a perspective view in a top partially cut-away state.

[0033] Figure 9 is a top view. Figure 8 is a top view.

[0034] The reference numerals are as follows: 1 - body, 2 - air outlet assembly, 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 blocking partition, 13 - button, 14 - elastic member, 15 - first hook part, 16 - second hook part, 17 - filter screen, 18 - air outlet pipe, 19 - collection part, 20 - surface to be cleaned, 21 - filter, 22 - cover plate, 23 - sealing gasket, 24 - roller, 25 - collection suction port. DETAILED DESCRIPTION

[0035] The following description is provided to enable any person skilled in the art to practice the present application. The embodiments described in the following description are only examples of the present application and are not intended to limit the scope of the present application. The principles described in the following description can be applied to other embodiments, variations, modifications, equivalents, and alternatives of the present application without departing from the spirit and scope of the present application.

[0036] In the present disclosure, it should be noted that dust is a general term, and not only refers to dust. Dirt, garbage and the like that can be cleaned by a surface cleaning device are also referred to as dust.

[0037] The present application will be further described in detail as follows:

[0038] The present disclosure provides a surface cleaning device, and the disclosed technical solutions can be applied to various products, such as an electric dust mop, a vacuum cleaner, a sweeper, a sweeping robot (also known as a robot), and the like. The surface cleaning device referred to in the present disclosure generally refers to a household or small surface cleaning device. This is also a feature of the surface cleaning device provided by the present disclosure, that is, the overall structure size is required to be small, and it can be applied to small space cleaning.

[0039] For ease of understanding, as Figures 1 to 9As shown, the present disclosure specifically exemplifies a floor brush part of a surface cleaning device, the floor brush part is provided with a containing cavity and a lower openable and closable cover plate 22 located at the lower side of the containing cavity, the containing cavity is provided with a dust bin 8, an air outlet assembly 2 and a peripheral wall surrounding the air outlet assembly 2, the air outlet assembly 2 and the peripheral wall surrounding the air outlet assembly form a cyclone cavity 3, the peripheral wall is provided with a tangential inlet 4, the axis of the cyclone cavity 3 is arranged substantially parallel to the surface to be cleaned 20, the cyclone cavity 3 is arranged in communication with the dust bin 8, and the cover plate 22 is used to open the dust bin 8 to pour dust. Of course, the cover plate 22 can also be located at the upper side of the containing cavity, but the cover plate 22 located at the lower side of the containing cavity is more convenient for pouring dust and cleaning. The floor brush part can be used in an electric dust mop, a vacuum cleaner, a sweeper, a sweeping robot (also known as a floor treasure), etc., and if it is a sweeping robot, a suction assembly and a self-walking structure can be added on the basis of the floor brush part to realize the sweeping robot, at this time the floor brush part is the body of the sweeping robot.

[0040] In some embodiments, the floor brush part includes a body 1, the body 1 is integrated with a filter 21, a cyclone cavity 3 and a dust bin 8, and the filter 21 is connected in communication with the air suction assembly through an air outlet pipe 18. The body 1 further includes 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 air outlet assembly 2 and the peripheral wall surrounding the air outlet assembly 2 form the cyclone cavity 3, the peripheral wall is provided with a tangential inlet 4, and the peripheral wall is composed of two transversely detachable parts, which are respectively referred to as a first part 5 and a second part 6. Figure 4 、 5 As shown, the first part 5 and the second part 6 are in a spliced 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. Figure 6 、 7 As shown, the first part 5 and the second part 6 are in a separated state, when in the separated state, the cyclone cavity 3 is in an open state, thereby facilitating cleaning, and further, when in the separated state, the dust bin 8 is also in an open state, thereby facilitating dust pouring. Figure 9 As shown, the arrows in the figure represent the main flow direction of the suction air flow.

[0041] In some embodiments, as shown in Figure 3 、 8 , 9, the filter 21, the cyclone cavity 3 and the dust bin 8 are sequentially arranged in the body 1 along the axis of the cyclone cavity 3. After such design, the structure is relatively compact, and in addition, the width in the forward direction can be made relatively narrow.

[0042] In some embodiments, as shown in Figure 4 、 5As shown in Figure 6, the axial direction of the cyclone chamber 3 is approximately cross-shaped with the forward direction of the floor brush section, and the tangential inlet 4 is arranged along the forward direction. This design has several advantages: firstly, as the floor brush section advances, dust enters the cyclone chamber 3 from the tangential inlet 4 in the forward direction, which facilitates better cleaning of the surface 20 being cleaned; secondly, it simplifies the design of the inlet channel, thereby reducing the structural size; and thirdly, it facilitates the implementation of the technical solution where the filter 21, cyclone chamber 3, and dust bin 8 are arranged sequentially along the axial direction of the cyclone chamber 3.

[0043] In some embodiments, such as Figure 6 , 7 As shown, the first part 5 and the second part 6 are arranged vertically. The cover plate 22 has the second part 6 and an axially extending part. The cover plate 22 is designed to open / close the second part 6 and the first part 5, allowing the dust chamber 8 to be opened / closed. In the floor brush section, the vertical arrangement of the first part 5 and the second part 6 helps to reduce the height of the floor brush section.

[0044] In some embodiments, such as Figure 6 , 7 As shown, the first part 5 and the second part 6 adopt a splicing structure that can be rotated and opened relative to each other. Specifically, a rotatable part 7 is provided between one end of the cover plate 22 and the body 1, thereby realizing a rotatable connection. This rotatable connection allows the cover plate 22 to swing open and close around the aforementioned end. This design structure is simple and the opening and closing is reliable. In order to better fix the cover plate 22 and facilitate opening, as... Figure 3 As shown, the other end of the cover plate 22 is connected to the body 1 through a connection structure formed by a button 13, an elastic element 14, a first hook 15, and a second hook 16. The button 13 and the elastic element 14 are both located on the side wall of the body 1. The button 13 adopts a lever structure and is rotatably connected to a rotating support located on the side wall. An elastic element 14 is provided between the upper end of the button 13 and the side wall, and a first hook 15 is provided at the lower end of the button 13. A second hook 16 that cooperates with the first hook 15 is provided at the other end of the cover plate 22. When the button 13 is pressed, the first hook 15 releases the second hook 16, thereby opening the cover plate 22. In order to enable the cover plate 22 to open automatically more effectively, the rotatable part 7 is provided with a torsion spring. Through the elastic force of the torsion spring, after the first hook 15 releases the second hook 16, the cover plate 22 can open automatically more effectively.

[0045] In some embodiments, such as Figure 3 , 8 As shown in Figure 9, the cyclone chamber 3 and the dust bin 8 are connected by a dust outlet. The dust outlet and the tangential inlet 4 are offset along the axial direction of the cyclone chamber 3. The dust outlet adopts a tangential outlet 9 and / or an axial outlet 10. With this design, the dust can be better introduced into the dust bin 8 through the tangential outlet 9 and / or the axial outlet 10, which is beneficial to cyclone separation.

[0046] In some embodiments, as shown in Figure 3 , 6 , 8, 9, a dust blocking partition 12 is arranged between the cyclone chamber 3 and the dust bin 8. In this way, dust entering the dust bin 8 can be prevented from being sucked into the cyclone chamber 3 again.

[0047] In some embodiments, the air outlet end 11 of the air outlet assembly 2, the tangential inlet 4, and the dust outlet are arranged in sequence along the axial direction of the cyclone chamber 3. In this way, the structure is compact, and a better cyclone separation structure is formed.

[0048] In some embodiments, as shown in Figure 5 , 6 , 7, the dust bin 8 is composed of two transversely detachable parts, which are respectively referred to as a third part and a fourth part. The third part is connected to the first part 5, and the fourth part is connected to the second part 6. When the first part 5 and the second part 6 are detached, the third part and the fourth part are also detached at the same time. In this way, dust in the cyclone chamber 3 and dust in the dust bin 8 can be poured out together, which is more convenient for use and cleaning.

[0049] In some embodiments, as shown in Figure 6 , 7 , the first part 5 is fixedly arranged in the body 1 of the surface cleaning device, and the second part 6 is arranged to be openable relative to the first part 5 to open the cyclone chamber 3. After the second part 6 is opened, the inner surface of the second part 6 is exposed outside the body 1. In this way, the cyclone separation structure does not need to be additionally detached for cleaning, but only needs to be opened relative to the first part 5 for cleaning. After cleaning is completed, the second part 6 and the first part 5 are reassembled.

[0050] In some embodiments, as shown in Figure 6 , 7 , the air outlet assembly 2 is arranged on the second part 6. After the second part 6 is opened, the air outlet assembly 2 is also exposed outside the body 1. In this way, the air outlet assembly 2 can be more conveniently cleaned.

[0051] In some embodiments, as shown in Figure 6 , 7 , based on the air outlet assembly 2 being arranged on the second part 6, a clever design is made. Specifically, for the case where the dust blocking partition 12 is arranged between the cyclone chamber 3 and the dust bin 8, the dust blocking partition 12 is fixedly arranged, and the second part 6 is arranged to be openable relative to the dust blocking partition 12. In this way, after the second part 6 is opened, the air outlet assembly 2 is exposed outside the body 1, and the blocking of the end of the second part 6 by the dust blocking partition 12 is removed, which is more convenient for cleaning.

[0052] In some embodiments, such as Figure 6 , 7 As shown, the tangential inlet 4 is located on the second part 6. When the second part 6 is opened, the tangential inlet 4 is also exposed outside the body 1. This design makes it easier to clean the tangential inlet 4 and allows the cyclone chamber 3 to be positioned closer to the surface of the body 1. For the floor brush, this means the cyclone chamber 3 is positioned lower because the tangential inlet 4 needs to be tangentially positioned. If the tangential inlet 4 were positioned higher, the entire cyclone chamber 3 would be positioned upwards. Therefore, when the tangential inlet 4 is located on the second part 6, it can be positioned closer to the surface of the body 1. In this example, since the second part 6 is located on the cover plate 22, and the second part 6 is opened together with the cover plate 22, the tangential inlet 4 is located on the cover plate 22, which is very close to the surface 20 being cleaned. The lower positioning of the cyclone chamber 3 brings additional benefits, such as reducing the height of the body 1 and exposing the internal structure of the cyclone chamber 3 for easier cleaning.

[0053] In some embodiments, such as Figure 6 , 7 As shown, the body 1 is provided with a collecting section 19, which is used to collect dirt from the surface 20 being cleaned. The collecting section 19 is provided with a general suction port 25. The tangential inlet 4 and the general suction port 25 can be separately connected. After the second part 6 is opened, the tangential inlet 4 and the general suction port 25 are separated. After the second part 6 is reassembled with the first part 5, the tangential inlet 4 and the general suction port 25 are reconnected. With this design, based on the splicing design of the second part 6 and the first part 5 of this disclosure, good cleaning performance can still be maintained, and the collecting section 19 will not be impossible to set up due to the splicing design of the second part 6 and the first part 5.

[0054] In some embodiments, such as Figure 6 , 7 As shown, the second part 6 includes an axially extending portion. The second part 6 and the axially extending portion together constitute the inner surface portion of the cover plate 22. This axially extending portion serves as the fourth part of the dust chamber 8. When the third part is fixed in the body 1, this axially extending portion opens together with the second part 6 to separate the third part from the fourth part for dust emptying. In this example, the axially extending portion is part of the cover plate 22. To facilitate movement on the surface 20 being cleaned, the outer surface of the cover plate 22 is set as a plane, and to simplify the structure, the cover plate 22 is approximately a flat plate.

[0055] In some embodiments, such as Figure 5 , 6As shown in Figs. 1, 2, 3, 4, 5, 6, and 7, the lower surface of the machine body is provided with a plurality of rollers 24, which facilitate the movement of the brush part on the surface to be cleaned 20 for cleaning work. The lower side of the cover plate 22 is provided with at least one roller 24, which is used to support the surface to be cleaned 20. Through the support of the roller 24, the cover plate 22 can be automatically closed, and the automatic closing is locked through the cooperation of the first hook part 15 and the second hook part 16.

[0056] In some embodiments, as shown in Figs. 1, 2, 3, 4, 5, 6, and 7, the surface cleaning device is provided with a plurality of wheels 23, which are used to support the surface to be cleaned 20 and facilitate the movement of the brush part on the surface to be cleaned 20 for cleaning work. Figure 1 、 2 As shown in Figs. 1, 2, 3, 4, 5, 6, and 7, during the cleaning work of the surface cleaning device, the axis of the cyclone chamber 3 is arranged substantially parallel to the surface to be cleaned 20. After this design, it is beneficial to arrange the cyclone chamber 3 and the tangential inlet 4 closer to the surface to be cleaned 20, so as to realize more efficient cleaning work, and it is also beneficial to reduce the height of the machine body 1.

[0057] In understanding the present application, the above structure can refer to other embodiments / attachments Figure 1 It is understood that the above is not repeated here.

[0058] The above is only an embodiment of the present application for illustration, so any equivalent changes or modifications made according to the structure, features and principles of the present application are included in the scope of protection of the present application.

Claims

1. A surface cleaning device, comprising a floor brush portion and a cover plate, wherein the floor brush portion is provided with a dust chamber and a cover plate located below the floor brush portion that can be opened and closed vertically, a rotatable part is provided between one end of the cover plate and the floor brush portion, the rotatable part allowing the cover plate to swing open and close around said one end to open / close the dust chamber, and the other end of the cover plate is connected to the floor brush portion through a detachable connection structure, characterized in that, It also includes an air outlet assembly and a peripheral wall surrounding the air outlet assembly. A cyclone chamber 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 chamber is arranged approximately parallel to the surface being cleaned. The cyclone chamber is connected to the dust chamber. The lower side of the floor brush part is provided with multiple rollers for the floor brush part to move and clean the surface being cleaned. The lower side of the cover plate is provided with at least one roller, which is used to support the surface being cleaned. With the support of the roller, the cover plate can be automatically closed. When automatically closed, the connection between the other end of the cover plate and the floor brush part is restored through the detachable connection structure. The floor brush section is provided with a receiving cavity, which contains the dust bin, air outlet component and peripheral wall. The cover plate is located on the lower side of the receiving cavity, and the cover plate opens / closes the receiving cavity by opening and closing. The perimeter wall is composed of two horizontally separable parts, referred to as the first part and the second part respectively. The first part and the second part are joined together to form the cyclone cavity. The first part is fixedly installed in the receiving cavity, and the second part is opened after the cover is opened or can be opened together with the cover. The tangential inlet is located on the second part, and when the second part is opened, the tangential inlet is also exposed outside the floor brush part; The floor brush section is equipped with a collection section, which is used to gather dirt on the surface being cleaned when the floor brush section moves forward. The collection section is equipped with a collection port. The tangential inlet and the collection port can be connected separately. After the second part is opened, the tangential inlet and the collection port are separated. After the second part is reassembled with the first part, the tangential inlet and the collection port are reconnected.

2. The surface cleaning device according to claim 1, characterized in that, The rotatable part is equipped with a torsion spring, and the cover can be opened automatically when the detachable connection structure is opened by the elastic force of the torsion spring.

3. The surface cleaning device according to claim 1, characterized in that, The axial direction of the cyclone chamber is roughly cross-shaped with the forward direction of the floor brush section, and the tangential inlet is arranged along the forward direction.

4. The surface cleaning device according to claim 1, characterized in that, The cyclone chamber and dust bin are arranged sequentially along the axial direction of the cyclone chamber.

5. The surface cleaning device according to claim 4, characterized in that, A dust-blocking baffle is installed between the cyclone chamber and the dust bin.

6. The surface cleaning device according to claim 4, characterized in that, The cyclone chamber and the dust bin are connected by a dust outlet. The dust outlet and the tangential inlet are offset along the axial direction of the cyclone chamber. The dust outlet is a tangential outlet and / or an axial outlet.

7. The surface cleaning device according to claim 6, characterized in that, The air outlet, tangential inlet, and dust outlet of the air outlet assembly are arranged sequentially along the axial direction of the cyclone chamber.

8. The surface cleaning device according to claim 1, characterized in that, The first and second parts are positioned vertically, and can be opened vertically between them.

9. The surface cleaning device according to claim 1, characterized in that, The first and second parts are connected by a joint structure that allows for relative rotation and opening / closing.

10. The surface cleaning device according to claim 1, characterized in that, The dust chamber is composed of two horizontally detachable parts, referred to as the third and fourth parts respectively. Both the fourth and second parts are mounted on the cover plate, and when the cover plate is opened, the fourth and second parts are opened simultaneously.

11. The surface cleaning device according to claim 1, characterized in that, The air vent assembly is located on the second section, and when the second section is opened, the air vent assembly is also exposed outside the floor brush section.

12. The surface cleaning apparatus according to claim 11, characterized in that, In cases where a dust baffle is installed between the cyclone chamber and the dust bin, the dust baffle is fixed in place, and the second part can be opened relative to the dust baffle.

13. The surface cleaning device according to claim 1, characterized in that, The floor brush section is also equipped with a filter, which is connected to the air extraction component through the air extraction channel. The filter, cyclone chamber, and dust bin are arranged sequentially in the floor brush section along the axial direction of the cyclone chamber.

14. The surface cleaning apparatus according to claim 1 or 13, characterized in that, The floor brush section is also equipped with an air extraction component and a self-propelled structure.

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