CN115844281A - Air suction system and ground cleaning device - Google Patents

Abstract

The invention relates to an air suction system and a ground cleaning device, wherein the air suction system comprises: a main housing having a receiving cavity; the silencing assembly is accommodated in the accommodating cavity and defines a fan mounting cavity; the fan is accommodated in the fan mounting cavity; the silencing assembly is provided with a silencing channel which is communicated with the fan installation cavity and the accommodating cavity, the silencing channel is arranged outside the fan in a winding mode along the circumferential direction, and the silencing channel extends in a zigzag mode. Above-mentioned suction system, the noise that the fan produced in the operation process is transmitted to holding the chamber through the noise elimination passageway, because the noise elimination passageway zigzag extends, consequently prolonged the transmission route of noise in limited space to play the effect of the noise elimination of making an uproar of falling, effectively weakened the noise pollution that ground belt cleaning device brought in the course of the work, optimized ground belt cleaning device's use and experienced.

Description

Air suction system and ground cleaning device

Technical Field

The invention relates to the technical field of cleaning equipment, in particular to an air suction system and a ground cleaning device.

Background

With the increasing demand of people for quality of life, the demand of environmental sanitation is also higher and higher correspondingly. However, the work pressure of modern people is increasing day by day, and people need to be relieved from the heavy cleaning work, so that the floor cleaning devices such as a dust collector and a floor washer are provided to reduce the difficulty of floor cleaning and improve the floor cleaning efficiency. The floor cleaning machine can clean the ground by using water and suck up sewage at the same time, has good cleaning effect and higher cleaning efficiency, and is gradually popular with people.

The floor cleaning machine absorbs sewage generated in the cleaning process through negative pressure generated by the air suction system, but the working noise of the air suction system is large, so that the normal life and work of nearby personnel are influenced, and meanwhile, adverse effects are caused on the health of a user, and the further popularization and application of the floor cleaning machine are not facilitated.

Disclosure of Invention

The invention provides an air suction system and a ground cleaning device aiming at the problem of larger working noise of a floor washing machine, and the air suction system and the ground cleaning device can achieve the technical effect of reducing the working noise.

According to an aspect of the present application, there is provided an air suction system including:

a main housing having a receiving cavity;

the silencing assembly is contained in the containing cavity and defines a fan mounting cavity; and

the fan is accommodated in the fan mounting cavity;

the noise elimination assembly is provided with a noise elimination channel which is communicated with the fan installation cavity and the containing cavity, the noise elimination channel is arranged outside the fan in a winding mode along the circumferential direction, and the noise elimination channel extends in a zigzag mode.

In one embodiment, the silencing channel comprises a plurality of sub silencing channels which are sequentially communicated, the sound wave propagation direction in each silencing channel is parallel to the axial direction of the fan, and the sound wave propagation directions in two adjacent sub silencing channels are opposite.

In one embodiment, each of the sub sound attenuation channels circumferentially surrounds the fan, all the sub sound attenuation channels are coaxially arranged, and two adjacent sub sound attenuation channels are communicated with each other.

In one embodiment, the sound attenuation assembly comprises a plurality of sound attenuation parts, each sound attenuation part circumferentially surrounds the fan, all the sound attenuation parts are coaxially arranged, and the sub sound attenuation channels are defined between the adjacent sound attenuation parts.

In one embodiment, the muffler assembly comprises:

a first sound damper comprising a first end wall, a first outer side wall and at least one first sound damping rib, wherein the first outer side wall extends from the edge of the first end wall in the same direction, the first sound damping rib is positioned inside the first outer side wall, and the first sound damping rib extends from the first end wall along the extending direction of the first outer side wall; and

the second silencing piece comprises a second end wall, a second outer side wall and at least one second silencing rib, the second outer side wall extends towards the same direction from the edge of the second end wall, the second silencing rib is positioned on the inner side of the second outer side wall, and the second silencing rib extends from the second end wall along the extending direction of the second outer side wall;

the first silencing piece and the second silencing piece are mutually inserted and connected along the axial direction of the fan, one end, far away from the first end wall, of the first outer side wall is abutted against one end, far away from the second end wall, of the second outer side wall, and the first silencing rib and the second silencing rib are staggered and arranged at intervals in the radial direction of the fan to form a plurality of sub-silencing channels.

In one embodiment, the first end wall defines a plurality of air flow holes, each of which communicates with the sub-sound-damping channel defined by the first outer side wall and the second sound-damping rib.

In one embodiment, the noise elimination assembly further comprises a plurality of noise elimination blocks, and the noise elimination blocks are convexly arranged on the wall of the fan installation cavity.

In one embodiment, the air suction system further includes a fan anti-vibration pad, two opposite ends of the fan in the axial direction are respectively limited to the main housing, the fan anti-vibration pad is abutted between the fan and the main housing to apply a fastening force to the fan, and the fan anti-vibration pad can deform in a recoverable manner under the action of an external force.

In one embodiment, the air suction system further comprises a silencing assembly shockproof pad, two ends of the silencing assembly are respectively limited on the main shell, the silencing assembly shockproof pad is abutted between the silencing assembly and the main shell to apply a fastening force to the silencing assembly, and the silencing assembly shockproof pad can deform in a recoverable manner under the action of an external force.

According to another aspect of the present application, there is provided a floor cleaning apparatus comprising the above-described suction system.

Above-mentioned suction system, the noise that the fan produced in the operation process is transmitted to holding the chamber through the noise elimination passageway, because the noise elimination passageway zigzag extends, consequently prolonged the transmission route of noise in limited space to play the effect of the noise elimination of making an uproar of falling, effectively weakened the noise pollution that ground belt cleaning device brought in the course of the work, optimized ground belt cleaning device's use and experienced.

Drawings

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

FIG. 2 is a schematic view of an air suction system of the floor scrubbing apparatus shown in FIG. 1;

FIG. 3 is a schematic structural view of a muffler assembly of the suction system shown in FIG. 2;

FIG. 4 is an exploded view of the muffler assembly shown in FIG. 3;

FIG. 5 is a longitudinal cross-sectional view of the muffler assembly shown in FIG. 2;

FIG. 6 is a transverse cross-sectional view of the muffler assembly shown in FIG. 2;

FIG. 7 is an enlarged view of a portion of the floor scrubbing apparatus shown in FIG. 1 at A;

fig. 8 is an enlarged view of a portion of the floor scrubbing apparatus shown in fig. 1 at B.

The reference numbers illustrate:

100. a floor cleaning device; 10. a main body; 12. an air suction system; 121. a main housing; 1212. limiting ribs; 122. a muffler assembly; 1221. a first muffler member; 1221a, a first end wall; 1221b, a first outer sidewall; 1221c, a first sound-damping rib; 1222. an airflow aperture; 1223. a second muffler; 1223a, a second end wall; 1223b, a second outer sidewall; 1223c, second sound-damping ribs; 1224. a noise elimination block; 1225. a sound-deadening channel; 1227. a fan mounting cavity; 123. a fan; 124. a first fan crash pad; 125. a second fan crash pad; 126. a first muffler assembly crash pad; 127. a second muffler assembly anti-vibration pad; 30. a sewage tank; 50. a water purifying tank; 70. a cleaning assembly; 90. a handle is operated.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1, an embodiment of the present invention provides a floor cleaning device 100 for cleaning a hard surface such as a floor. In the following embodiments, the floor cleaning device 100 is a hand-held floor cleaning machine, and a user can hold the floor cleaning device 100 to clean the floor.

The floor washing device 100 includes a main body 10, a foul water tank 30, a fresh water tank 50, a cleaning assembly 70, and an operating handle 90. Wherein, an air suction system 12 is provided in the main body 10 for forming a negative pressure to collect sewage and dirt generated during the cleaning process. The sump 30 is installed at one end of the main body 10 to store sewage and contaminants generated during the cleaning process. The fresh water tank 50 is provided at one side of the main body 10 and the foul water tank 30 to store the cleaning water. The cleaning assembly 70 is installed at an end of the sump 30 remote from the main body 10 for cleaning the floor.

When the floor washing apparatus 100 is used to wash the floor, the clean water in the clean water tank 50 is sprayed toward the cleaning assembly 70, and the cleaning assembly 70 washes the floor using the clean water, and at the same time, the suction system 12 generates a negative pressure to recover the sewage on the floor and the cleaning assembly 70 into the foul water tank 30. When the cleaning is completed, the sewage in the sewage tank 30 can be discharged.

It should be noted that, since the specific configurations of the main body 10, the foul water tank 30, the clean water tank 50, the cleaning assembly 70, and the operation handle 90 are not essential to the present invention, they are not described herein and can be arranged as needed.

As mentioned in the background of the invention, the above-mentioned floor cleaning device 100 has a large working noise during the use, and the inventor of the present invention has found in the research that the working noise of the floor cleaning device 100 mainly comes from the suction system 12, so that the noise of the suction system 12 is reduced to effectively reduce the working noise of the floor cleaning device 100, and reduce the noise pollution during the cleaning process.

In order to solve the above problem, referring to fig. 1 and 2, the air suction system 12 of the present application includes a main housing 121, a noise elimination assembly 122, and a fan 123. The main housing 121 is a hollow housing structure to form an accommodating cavity for accommodating the noise elimination assembly 122 and the fan 123. Preferably, the main housing 121 is integrally provided with the outer case of the main body 10, thereby simplifying the construction of the main body 10. The noise elimination assembly 122 is accommodated in the accommodating cavity, and the noise elimination assembly 122 defines a fan installation cavity 1227 with an air inlet and an air outlet which are communicated with each other. The blower 123 is rotatably received in the blower mounting cavity 1227, and the blower 123 forms an airflow from the inlet to the outlet to draw the sewage into the sewage tank 30. Wherein, noise elimination subassembly 122 has intercommunication fan installation cavity 1227 and the noise elimination passageway 1225 that holds the chamber, and noise elimination passageway 1225 is around locating outside fan 123 along circumference, and noise elimination passageway 1225 zigzag extension.

So, the noise that fan 123 produced in the operation process is transmitted to holding the chamber through noise elimination passageway 1225, because noise elimination passageway 1225 zigzag extends, consequently prolonged the transfer path of noise in limited space to play the effect of noise reduction and noise elimination, effectively weakened the noise pollution that ground belt cleaning device 100 brought in the course of the work, optimized ground belt cleaning device 100's use and experienced.

As shown in fig. 3, 4 and 5, in some embodiments, the noise elimination assembly 122 is a hollow shell structure, the noise elimination assembly 122 is sleeved outside the fan 123, and a central axis of the noise elimination assembly 122 coincides with a central axis of the fan 123. The muffling assembly 122 comprises a plurality of muffling portions, each of which circumferentially surrounds the fan 123, and all of which are coaxially disposed, with sub-muffling channels defined between adjacent muffling portions.

Specifically, the muffler assembly 122 includes a first muffler piece 1221 and a second muffler piece 1223 that are insertable into each other in the axial direction of the fan 123. The first silencing member 1221 is a hollow cylindrical structure, and includes a first end wall 1221a, a first outer side wall 1221b, and at least one first silencing rib 1221c. The first end wall 1221a is circular, the first outer side wall 1221b extends from the edge of the first end wall 1221a in the same direction, the first silencing rib 1221c is located inside the first outer side wall 1221b, and the first silencing rib 1221c extends from the first end wall 1221a in the extending direction of the first outer side wall 1221 b.

The second silencing member 1223 has a hollow cylindrical structure, and includes a second end wall 1223a, a second outer side wall 1223b, and at least one second silencing rib 1223c. The second end wall 1223a is circular, the second outer side wall 1223b extends from an edge of the second end wall 1223a toward the other end of the fan 123, the second silencing rib 1223c is located inside the second outer side wall 1223b, and the second silencing rib 1223c extends from the second end wall 1223a in the extending direction of the second outer side wall 1223 b. The second end wall 1223a is further provided with a plurality of connecting studs protruding from a side thereof away from the second outer sidewall 1223b, and the connecting studs can be coupled with the main housing 121.

When the first noise elimination piece 1221 and the second noise elimination piece 1223 are inserted into each other along the axial direction of the fan 123, the first end wall 1221a and the second end arm are disposed at intervals along the axial direction of the fan 123, the first end wall 1221a is located at the air inlet end of the fan 123, and the second end wall 1223a is located at the air outlet end of the fan 123. The end of the first outer side wall 1221b, which is far from the first end wall 1221a, and the end of the second outer side wall 1223b, which is far from the second end wall 1223a, are abutted against each other to form a sound-deadening portion, the first sound-deadening ribs 1221c and the second sound-deadening ribs 1223c are staggered and spaced in the radial direction of the fan 123, a gap exists between the first sound-deadening ribs 1221c and the second end wall 1223a, and a gap exists between the second sound-deadening ribs 1223c and the first end wall 1221 a.

Thus, the first noise elimination piece 1221 and the second noise elimination piece 1223 form a plurality of sub noise elimination channels, each sub noise elimination channel circumferentially surrounds the fan 123, all the sub noise elimination channels are coaxially arranged, adjacent sub noise elimination channels are mutually communicated to form a complete noise elimination channel 1225, the sound wave propagation direction in each sub noise elimination channel is parallel to the axial direction of the fan 123, and the sound wave propagation directions in adjacent sub noise elimination channels are opposite.

In this way, sound waves of noise generated by the fan 123 during operation reciprocally propagate in the sub sound attenuation channel along the axial direction of the fan 123, and the noise gradually decreases during propagation.

As a preferred embodiment, the first noise damper 1221 includes two first noise damping ribs 1221c, and the length of the first noise damping rib 1221c located inside the first noise damper 1221 is smaller than the length of the first noise damping rib 1221c located outside. The second silencing piece 1223 includes one second silencing rib 1223c, and the length of the second silencing rib 1223c is between two first silencing ribs 1221c. When the first silencing piece 1221 and the second silencing piece 1223 are inserted into each other along the axial direction of the fan 123, the first silencing rib 1221c located at the innermost side forms a cavity wall of the fan installation cavity 1227, and the second silencing rib 1223c extends into a space between the two first silencing ribs 1221c to form three sub-silencing channels. It is to be understood that the number and length of the first and second silencing ribs 1221c and 1223c are not limited thereto, and different numbers and lengths may be provided as needed to adjust the silencing effect.

As shown in fig. 6, further, in order to communicate the sound attenuation passage 1225 with the accommodating chamber, the first end wall 1221a is opened with a plurality of air flow holes 1222, the plurality of air flow holes 1222 are arranged at intervals in the circumferential direction, and each air flow hole 1222 communicates with a sub sound attenuation passage defined by the first outer side wall 1221b and the second sound attenuation rib 1223c.

In some embodiments, sound attenuation module 122 further includes a plurality of sound attenuation blocks 1224, and the plurality of sound attenuation blocks 1224 protrude from the wall of fan installation cavity 1227. Specifically, the wall of the fan installation cavity 1227 is formed by the inner side walls of the innermost first sound-deadening ribs 1221c of the first sound-deadening member 1221, and thus the plurality of sound-deadening blocks 1224 are protruded on the inner side walls of the innermost first sound-deadening ribs 1221c of the first sound-deadening member 1221.

As a preferred embodiment, the sound attenuation blocks 1224 are made of a plastic material, the sound attenuation blocks 1224 are irregularly arranged, and the adjacent sound attenuation blocks 1224 are obliquely arranged along different angles, so that noise generated by the fan 123 repeatedly runs in the sound attenuation module 122, the noise is gradually reduced, and the further noise reduction and sound attenuation functions are achieved. It is understood that the number, shape and arrangement of the noise elimination blocks 1224 are not limited, and may be set as desired to meet different noise reduction requirements.

Referring to fig. 7 and 8, in some embodiments, the air suction system 12 further includes a fan anti-vibration pad, two axially opposite ends of the fan 123 are respectively limited to the main housing 121, the fan anti-vibration pad is abutted between the fan 123 and the main housing 121 to apply a fastening force to the fan 123, and the fan anti-vibration pad can be deformed in a recoverable manner under an external force. So, fan 123 passes through the fan antivrbration pad flexibility and is fixed in main casing body 121, and the fan antivrbration pad can absorb fan 123's vibrations, compares in adopting the dead fixed mode of fastener lock, has the good effect of noise elimination of making an uproar of falling.

Specifically, in an embodiment, an end of the fan 123 close to the air outlet of the fan mounting cavity 1227 is provided with a mounting groove extending along the circumferential direction, the annular first fan anti-vibration pad 124 is accommodated in the mounting groove, an annular limiting rib 1212 is convexly arranged in the main housing 121, and the limiting rib 1212 is inserted into the mounting groove along the axial direction of the fan 123 and abuts against the first fan anti-vibration pad 124. The one end that main casing body 121 is close to the air intake is equipped with annular mounting groove, and the bottom of fan 123 is inserted and is located in the mounting groove, and annular second fan crash pad 125 is located between the cell wall of mounting groove and the outer wall of fan 123.

Referring to fig. 7 and 8, in some embodiments, the suction system 12 further includes a damping assembly shock pad, two ends of the damping assembly 122 are respectively limited to the main housing 121, the damping assembly shock pad is abutted between the damping assembly 122 and the main housing 121 to apply a fastening force to the damping assembly 122, and the damping assembly shock pad can generate a recoverable deformation under an external force. Therefore, the noise elimination assembly 122 is flexibly fixed in the main shell 121 through the noise elimination assembly shockproof pad, the noise elimination assembly shockproof pad can absorb the vibration of the noise elimination assembly 122, and compared with a mode of locking and fixing by a fastener, the noise elimination assembly shockproof pad has a good noise reduction and noise elimination effect.

Specifically, in one embodiment, the inner edge of the first end wall 1221a of the first noise damping member 1221 of the noise damping assembly 122 is wrapped with the annular first noise damping assembly crash pad 126, and the inner edge of the second end wall 1223a of the second noise damping member 1223 is wrapped with the annular second noise damping assembly crash pad 127, such that the first end wall 1221a and the second end wall 1223a are coupled to the fan 123 via the first noise damping assembly crash pad 126 and the second noise damping assembly crash pad 127, respectively.

The ground cleaning device 100 isolates the noise generated by the fan 123 through the noise elimination assembly 122, the transmission path of noise sound waves is remarkably increased through the zigzag noise elimination channel 1225 surrounding the outside of the fan 123, and the noise is continuously reflected in the noise elimination assembly 122 through the arrangement of the noise elimination block 1224, so that the remarkable noise reduction and elimination effect is achieved, the working noise of the ground cleaning device 100 is reduced, the influence on surrounding personnel is effectively reduced, and the health of a user is protected.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that various changes and modifications can be made by those skilled in the art without departing from the spirit of the invention, and these changes and modifications are all within the scope of the invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An air suction system, comprising:

a main housing (121) having a receiving cavity;

the silencing assembly (122) is accommodated in the accommodating cavity, and the silencing assembly (122) defines a fan installation cavity (1227); and

the fan (123) is accommodated in the fan mounting cavity (1227);

the silencing assembly (122) is provided with a silencing channel (1225) communicated with the fan installation cavity (1227) and the accommodating cavity, the silencing channel (1225) is arranged outside the fan (123) in a circumferential winding mode, and the silencing channel (1225) extends in a zigzag mode.

2. The suction system according to claim 1, wherein the silencing passage (1225) comprises a plurality of sub silencing passages which are communicated with each other in sequence, the sound wave propagation direction in each sub silencing passage is parallel to the axial direction of the fan (123), and the sound wave propagation directions in two adjacent sub silencing passages are opposite.

3. The suction system according to claim 2, wherein each sub-muffling channel circumferentially surrounds the fan (123), all the sub-muffling channels are coaxially arranged, and two adjacent sub-muffling channels are communicated with each other.

4. The suction system according to claim 3, characterized in that the muffling assembly (122) comprises a plurality of muffling portions, each of which circumferentially surrounds the fan (123) and is coaxially arranged, and the sub-muffling channels are defined between adjacent muffling portions.

5. The suction system of claim 4, wherein the muffler assembly (122) includes:

a first noise damper (1221) comprising a first end wall (1221 a), a first outer side wall (1221 b) and at least one first noise damping rib (1221 c), the first outer side wall (1221 b) extending from an edge of the first end wall (1221 a) in the same direction, the first noise damping rib (1221 c) being located inside the first outer side wall (1221 b), the first noise damping rib (1221 c) extending from the first end wall (1221 a) in the direction of extension of the first outer side wall (1221 b); and

a second muffler (1223) including a second end wall (1223 a), a second outer side wall (1223 b), and at least one second muffler rib (1223 c), the second outer side wall (1223 b) extending from an edge of the second end wall (1223 a) in the same direction, the second muffler rib (1223 c) being located inside the second outer side wall (1223 b), the second muffler rib (1223 c) extending from the second end wall (1223 a) in the extending direction of the second outer side wall (1223 b);

the first noise elimination piece (1221) and the second noise elimination piece (1223) are inserted into each other along the axial direction of the fan (123), one end, away from the first end wall (1221 a), of the first outer side wall (1221 b) and one end, away from the second end wall (1223 a), of the second outer side wall (1223 b) abut against each other to form the noise elimination portion, and the first noise elimination ribs (1221 c) and the second noise elimination ribs (1223 c) are staggered in the radial direction of the fan (123) and arranged at intervals to form a plurality of sub noise elimination channels.

6. The suction system according to claim 5, wherein the first end wall (1221 a) defines a plurality of air flow holes (1222), each air flow hole (1222) communicating with the sub-muffling channel defined by the first outer side wall (1221 b) and the second muffling rib (1223 c).

7. The suction system according to claim 1, wherein the muffler assembly (122) further comprises a plurality of muffler blocks (1224), and the plurality of muffler blocks (1224) are arranged on the wall of the fan installation cavity in a protruding mode.

8. The air suction system according to claim 1, further comprising a fan anti-vibration pad, wherein two axially opposite ends of the fan (123) are respectively limited to the main housing (121), the fan anti-vibration pad is abutted between the fan (123) and the main housing (121) to apply a fastening force to the fan (123), and the fan anti-vibration pad can be deformed in a restorable manner under the action of an external force.

9. The air suction system according to claim 1, further comprising a noise elimination assembly shock pad, wherein two ends of the noise elimination assembly (122) are respectively limited to the main shell (121), the noise elimination assembly shock pad is abutted between the noise elimination assembly (122) and the main shell (121) to apply a fastening force to the noise elimination assembly (122), and the noise elimination assembly shock pad can be deformed in a restorable manner under the action of an external force.

10. A floor cleaning apparatus comprising an aspiration system according to any one of claims 1 to 9.

Images