CN221129761U - Suction device and cleaning apparatus - Google Patents

Abstract

An embodiment of the present application provides a suction apparatus including: a fan including opposed first and second ends; the shell comprises a front cover and a main machine shell which are connected, wherein the front cover is covered on the main machine shell, the main machine shell is hollow and is provided with an accommodating space, and the fan is accommodated in the accommodating space of the main machine shell; the first end part of the fan is abutted against the front cover through the first shock absorbing piece; and the second end part of the fan is abutted to the main shell through the second shock absorbing part, so that the fan is arranged in the accommodating space of the main shell in a suspending manner. The suction device provided by the embodiment of the application has low working noise, and the first damping piece and the second damping piece can prolong the service life of the fan and improve the use experience of a user while ensuring the cleaning effect. The embodiment of the application also provides cleaning equipment.

Description

Suction device and cleaning apparatus

Technical Field

The embodiment of the application relates to the technical field of cleaning devices, in particular to a suction device and cleaning equipment.

Background

With the development of urban treatment, the living environment of people is greatly improved, and diseases brought by living sanitation are also gradually valued by people, but a great deal of time is consumed for manual cleaning and sanitation every day, so the demands of people on intelligent cleaning equipment are increasing.

The cleaning equipment is high-efficiency and sanitary equipment, can assist people to complete cleaning work or automatically complete dust collection and floor cleaning work, and plays an important role in the production and life of people. Among them, household cleaning equipment (such as dust collector) is one of the necessary electrical appliances for people's home gradually because of its small size and convenient use. The vacuum cleaner generally comprises a machine body, a floor brush and a suction device, wherein the suction device and the floor brush are respectively connected with the machine body, and dirt on a surface to be cleaned is continuously sucked into a dust cup after a fan in the suction device is started, so that the cleaning work is completed. The existing dust collector is large in noise generated by vibration of the fan when working, is not suitable for being used in working environments such as libraries and partial families which need to be quiet, and cannot meet the use requirements of users, so that the use experience of the users is reduced, and popularization of products is not facilitated.

Therefore, there is a need for a suction device and cleaning apparatus that have low operating noise so as to be able to operate in a demanding operating environment.

Disclosure of utility model

In order to achieve the above purpose, the embodiment of the application provides a suction device and a cleaning device, which have low working noise, ensure the cleaning effect, prolong the service life of a fan and improve the use experience of users.

In a first aspect, an embodiment of the present application provides a suction device, including:

a fan including opposed first and second ends;

The shell comprises a front cover and a main machine shell which are connected, wherein the front cover is covered on the main machine shell, the main machine shell is hollow and is provided with an accommodating space, and the fan is accommodated in the accommodating space of the main machine shell;

The first end part of the fan is abutted against the front cover through the first shock absorbing piece; and

The second end of the fan is abutted to the main machine shell through the second shock absorbing piece, so that the fan is arranged in the accommodating space of the main machine shell in a suspended mode.

Further, the end face of the first shock absorbing member facing the front cover is provided with a plurality of protruding portions, the protruding portions are independent of each other, and the protruding portions are abutted to the front cover.

Further, the front cover is provided with a mounting groove towards the inner surface of the fan, the end face of the first end part of the fan is provided with a convex ring surrounding the air inlet, the first shock absorbing member is hollow and columnar and comprises a third end part and a fourth end part which are opposite, the third end part is accommodated in the mounting groove of the front cover, and the fourth end part is sleeved on the convex ring of the end face of the first end part of the fan.

Further, be equipped with the chimb that is the rectangle on the terminal surface of the second tip of fan, the host computer shell is equipped with the constant head tank, the second shock attenuation piece is including continuous butt portion and extension, the orientation of butt portion be equipped with the recess that is the rectangle on the terminal surface of fan, the recess of butt portion with the chimb cooperation on the second tip of fan, the extension is fixed to be set up in the constant head tank of host computer shell.

Further, the abutting portion of the second shock absorbing member is in a disc shape, the extending portion is cylindrical, the second shock absorbing member further comprises a connecting portion, the connecting portion is arranged between the abutting portion and the extending portion, the connecting portion is in a rectangular block shape, and when the extending portion is arranged in the positioning groove of the main machine shell, the connecting portion abuts against the inner bottom surface of the edge of the positioning groove of the main machine shell.

Further, still include the fan housing, the fan housing cover is established on the fan, be equipped with the pin thread on the cell wall of the mounting groove on the internal surface of protecgulum, the fan housing orientation extend on the tip of protecgulum and be equipped with the box, the fan housing passes through the box with the pin thread lock on the protecgulum with the protecgulum joint, the bottom surface of fan housing is equipped with the through-hole, connecting portion pass the through-hole, and the week side butt of connecting portion is in on the inner wall of through-hole, the fan housing with the fan interval sets up.

Further, the dust cup is arranged on the air inlet side of the front cover, and the central axis of the fan coincides with the central axis of the dust cup.

Further, still include be equipped with the supply-air outlet on the protecgulum of casing, the air intake setting of fan is in the first tip of fan, the air outlet setting of fan is in the side of fan, the fan cover is equipped with the exhaust hole, during the fan work, the air current is through the inside of dirt cup, from the supply-air inlet entering of casing the casing is inside, and via the air intake and the air outlet of fan, follow the exhaust hole discharge of fan cover.

Further, the first shock absorbing member and the second shock absorbing member are both flexible structures.

In a second aspect, embodiments of the present application also provide a cleaning apparatus comprising a suction device as claimed in any one of the preceding claims.

The fan comprises a first end and a second end which are opposite to each other, the shell comprises a front cover and a main machine shell which are connected, the fan is accommodated in an accommodating space of the main machine shell, the front cover is covered on the main machine shell, the first end of the fan is abutted to the front cover through a first damping piece, the second end of the fan is abutted to the main machine shell through a second damping piece, so that the fan can be arranged in the accommodating space of the main machine shell in a suspended mode, and the fan is not in direct contact with the shell. According to the suction device disclosed by the embodiment of the application, the first damping piece and the second damping piece are arranged at the two ends of the fan, so that the fan can be suspended in the shell, the working noise of vibration of the fan is reduced, the cleaning effect is ensured, the service life of the fan is prolonged, and the use experience of a user is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of an explosion structure of a suction device according to an embodiment of the present application;

FIG. 2 is a schematic view of another exploded construction of a suction device according to an embodiment of the present application, showing a fan housing of the suction device;

FIG. 3 is a schematic view of the structure of a suction device according to an embodiment of the present application, in which the direction of airflow is indicated by arrows;

FIG. 4 is a schematic view of a combination of a fan, a first damper, a second damper, and a fan housing;

fig. 5 is a schematic perspective view of a suction device according to an embodiment of the present application, in which a dust cup of the suction device is shown.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present application will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

It should be noted that, in the embodiments of the present application, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific gesture (as shown in the drawings), and if the specific gesture changes, the directional indicators correspondingly change.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.

The cleaning equipment is used as auxiliary equipment, is applied to production and life of people, has more functions, is an indispensable function, and is powered by a fan, but when the fan works normally, the fan can vibrate and resonate with surrounding objects, so that the working noise of the cleaning equipment is large, the cleaning equipment is not suitable for use in working environments such as libraries and partial families which need to be quiet, the use requirements of most users cannot be met, and the use experience of the users is reduced.

Therefore, referring to fig. 1 to 3, the embodiment of the application provides a suction device 10, which is applied to cleaning equipment and is used for generating negative pressure to enable gas to flow directionally, and the suction device 10 of the embodiment of the application has low working noise, ensures the cleaning effect, prolongs the service life of a fan and improves the use experience of users.

Specifically, referring to fig. 1, fig. 1 is a schematic diagram of an exploded structure of a suction device 10 according to an embodiment of the present application. The suction device 10 provided by the embodiment of the application comprises a fan 11, a shell 12, a first shock absorbing member 30 and a second shock absorbing member 40, wherein the fan 11 is used for generating negative pressure to drive gas to directionally flow according to a preset direction. The housing 12 is for accommodating the blower 11, the first damper 30, and the second damper 40. The first damper 30 and the second damper 40 are used to separate the blower 11 and the housing 12 from each other, and prevent the two from touching, so as to reduce the operation noise of the blower 11. The fan 11 includes relative first end 111 and second end 113, the casing 12 includes the protecgulum 121 and the mainframe shell 122 that are connected, protecgulum 121 lid closes on the mainframe shell 122, the mainframe shell 122 is hollow form, and be equipped with accommodation space, the fan 11 holds in the accommodation space of mainframe shell 122, the first end 111 of fan 11 passes through first shock-absorbing member 30 butt on protecgulum 121, the second end 113 of fan 11 passes through second shock-absorbing member 40 butt on mainframe shell 122, the fan 11 passes through the support of first shock-absorbing member 30 and second shock-absorbing member 40 to unsettled setting is in the accommodation space of mainframe shell 122.

According to the suction device 10 provided by the embodiment of the application, the fan 11 is accommodated in the accommodating space of the main machine shell 122, the front cover 121 is covered on the main machine shell 122, the first end 111 of the fan 11 is abutted on the front cover 121 through the first shock absorbing member 30, the second end 113 of the fan 11 is abutted on the main machine shell 122 through the second shock absorbing member 40, and the first shock absorbing member 30 and the second shock absorbing member 40 separate the fan 11 from the shell 12 and avoid contact, so that the fan 11 can be arranged in the accommodating space of the main machine shell 122 in a suspending manner. According to the suction device 10 disclosed by the embodiment of the application, the first damping piece 30 and the second damping piece 40 are arranged at two ends of the fan 11, so that the fan 11 can be suspended and arranged in the shell 12, the working noise of vibration of the fan 11 is reduced, the cleaning effect is ensured, the service life of the fan 11 is prolonged, and the use experience of a user is improved.

The working noise in the suction device 10 is caused by the fact that the fan 11 is in operation, the rotation speed of the impeller is high, dust is deposited on the impeller, the weights at the two ends of the impeller are unbalanced, and the like, so that the fan 11 vibrates, and the vibrating fan 11 contacts the housing 12, so that large noise is generated.

In some embodiments according to the present application, in order to attenuate the vibration conduction due to the fan 11 after the start-up, the end surface of the first damper 30 facing the front cover 121 is provided with a plurality of protrusions (not shown), each of which is independent from the other, thereby reducing the contact area between the front cover 121 and the first damper 30 to further reduce the vibration conduction while reducing the generation of noise.

Referring to fig. 2, fig. 2 is a schematic diagram illustrating an exploded structure of the suction device 10 according to an embodiment of the present application. Wherein, the front cover 121 is provided with a mounting groove 1211 on the inner surface of the fan 11, the end surface of the first end 111 of the fan 11 is provided with a convex ring 1111 surrounding the air inlet 112, the first damper 30 is hollow and columnar, so that the air flow smoothly enters the air inlet 112 of the fan 11 from the air inlet on the front cover 121, the first damper 30 comprises a third end 31 and a fourth end 32 which are opposite, the third end 31 is accommodated in the mounting groove 1211 of the front cover 121 so as to be abutted with the front cover 121, and the fourth end 32 is sleeved on the convex ring 1111 of the end surface of the first end 111 of the fan 11 to separate the contact between the fan 11 and the front cover 121, thereby reducing the transmission of vibration and reducing the generation of noise.

As shown in fig. 1 and 2, in some embodiments according to the present application, a rectangular flange 1131 is provided on an end surface of the second end 113 of the fan 11, the second damper 40 includes an abutment 41 and an extension 42 connected to each other, a rectangular groove 411 is provided on an end surface of the abutment 41 facing the fan 11, and the groove 411 of the abutment 41 cooperates with the flange 1131 on the second end of the fan, so as to connect the second damper 40 with the fan 11. The bottom of the main housing 122 is provided with a positioning slot 20, and the extension 42 is fixedly arranged in the positioning slot 20 of the main housing 122. In addition, in order to reduce vibration conduction after the fan 11 is started, a plurality of mutually independent ribs 43 are arranged on the side wall of the extension portion 42, the extension portion 42 is abutted with the inner wall of the positioning groove 20 through the plurality of ribs 43, and each rib 43 is mutually independently arranged, so that the abutting area of the main casing 122 and the second damping piece 40 is reduced, vibration conduction is further reduced, and noise is reduced.

Further, as shown in fig. 2, the abutting portion 41 of the second shock absorbing member 40 is in a circular plate shape, the extending portion 42 is in a cylindrical shape, the second shock absorbing member 40 further includes a connecting portion 44, the connecting portion 44 is disposed between the abutting portion 41 and the extending portion 42, the connecting portion 44 is in a rectangular block shape, and when the extending portion 42 is disposed in the positioning groove 20 of the main housing 122, the connecting portion 44 abuts against an inner bottom surface of an edge of the positioning groove 20 of the main housing 122, so that the second shock absorbing member 40 can be firmly fixed on the bottom of the main housing 122, and meanwhile, a contact area between the second shock absorbing member 40 and the inner bottom surface of the main housing 122 is reduced, so as to further reduce conduction of vibration and reduce noise.

As shown in fig. 2, the center line of symmetry is the center axis of the blower 11, the housing 12, the first damper 30, and the second damper 40. In the embodiment of the application, the first shock absorbing member 30 and the second shock absorbing member 40 are in central symmetry structures, and central axes of the fan 11, the shell 12, the first shock absorbing member 30 and the second shock absorbing member 40 are coincident, so that wind loss of air flow in the suction device 10 is reduced, wind power of the suction device 10 is enhanced, and a better cleaning effect is exerted.

Further, the first damping member 30 and the second damping member 40 are flexible structures made of silica gel or rubber flexible material, and the flexible structures can absorb the vibration generated by the fan 11 to further reduce the transmission of the vibration, thereby reducing the noise.

In addition, the main casing 122 is hollow and columnar with an opening at one end, the front cover 121 is in a disc shape, and the front cover 121 covers the opening of the main casing 122 so as to fix the fan 11, the first shock absorbing member 30 and the second shock absorbing member 40 in the accommodating space of the main casing 122, thereby realizing the integral assembly of the suction device 10, having simple structure and being convenient for maintenance.

Referring to fig. 4, the suction apparatus 10 according to the embodiment of the present application further includes a fan housing 60, where the fan housing 60 is sleeved on the fan 11 and is engaged with the front cover 121, so as to fix the fan housing 60. In addition, the fan cover 60 and the fan 11 are arranged at intervals, the fan cover 60 is not in direct contact with the fan 11, resonance between the fan 11 and the fan cover 60 is avoided, and the overall working noise of the suction device 10 is further reduced.

Specifically, referring again to fig. 2, in order to avoid abutment of the blower 11 with the blower housing 60, the slot wall of the mounting slot 1211 on the inner surface of the front cover 121 is provided with a male buckle 70, and the end of the blower housing 60 facing the front cover 121 is extended with a female buckle 71, and the female buckle 71 on the blower housing 60 is engaged with the male buckle 70 on the front cover 121, thereby connecting the blower housing 60 and the front cover 121. The detachable connection of the fan housing 60 with the front cover 121 not only facilitates the installation and removal of the fan 11 and the fan housing 60, but also facilitates maintenance.

The fan housing 60 is hollow columnar, one of them end opening, the bottom surface of fan housing is equipped with through-hole 62, the connecting portion 44 of second bolster 40 passes the through-hole 62 of fan housing 60, the week side butt of connecting portion 44 is on the inner wall of through-hole 62, the terminal surface butt at connecting portion 44 and the interior bottom surface at the constant head tank 20 edge of main casing 122, thereby make fan housing 60 unsettled fan 11 of arranging in main casing 122 in that can better protective sheath is established wherein, in order to cooperate with connecting portion 44 of second bolster 40, through-hole 62 is the rectangle.

Further, the fan housing 60 may be made of a flexible material, and the flexible fan housing 60 may reduce vibration conduction of the first damper 30 and the second damper 40, reduce working noise of the suction device 10, and when the suction device 10 is collided, the fan housing 60 may perform a damping effect on the fan 11 in operation, thereby achieving an effect of protecting the fan 11.

As shown in fig. 2, the suction device 10 according to the embodiment of the present application further includes an air supply port 21 provided on a front cover 121 of the housing 12, an air outlet 22 provided on a main housing 122, an air inlet 112 and an air outlet 114 provided on the fan 11, the air inlet 112 provided at a first end 111 of the fan 11, the air outlet 114 provided at a side of the fan 11, the air inlet 112 and the air outlet 114 communicating inside the fan 11, the air supply port 21 of the front cover 121 communicating with the air inlet 112 of the fan 11, the fan cover 60 provided with an air outlet hole 61, and the air outlet 114 of the fan 11 communicating with the air outlet 22 of the main housing 122 through the air outlet hole 61 of the fan cover 60.

As shown in fig. 3, fig. 3 is a schematic structural view of a suction device 10 according to an embodiment of the present application, in which the direction of airflow is indicated by arrows. The negative pressure generated by the blower 11 drives the air inside and outside the housing 12 to continuously flow along a certain direction, when the suction device 10 is in a working state, the air flow passes through the inside of the dust cup 50, particles in the air flow are filtered out from the inside of the dust cup 50, the particles enter the blower 11 from the air supply opening 21 of the front cover 121, are discharged into the accommodating space of the main machine shell 122 from the air outlet hole 61 of the blower cover 60 through the air inlet 112 and the air outlet 114 of the blower 11, and finally are discharged to the outside of the suction device 10 from the air outlet 22 of the main machine shell 122.

Further, the air supply opening 21 of the front cover 121 protrudes toward one end far away from the blower 11 to prevent objects from blocking the air supply opening 21, and the air supply opening 21 is provided with a blocking part to prevent objects with larger volume, such as large plastic films, from being sucked in to avoid the failure of the blower 11.

In addition, the air outlet 22 of the main casing 122 is configured as a ring shape, and a plurality of cross bars are disposed in the air outlet 22 to prevent foreign matters from entering the main casing 122, so as to avoid affecting the normal operation of the suction device 10 and damaging the fan 11, and the inner diameter and the outer diameter of the air outlet 22 are configured according to specific situations, and the shape of the air outlet 22 of the main casing 122 can be designed into various shapes, such as a circle, a semicircle, a square, an ellipse, a triangle, a bar, a fan or other special shapes, and even into a plurality of meshes, which is not limited herein.

Referring to fig. 5, fig. 5 is a schematic perspective view of a suction apparatus 10 according to an embodiment of the present application, in which a dust cup 50 of the suction apparatus 10 is shown. The suction apparatus 10 of the present embodiment further includes a dust cup 50, and the dust cup 50 is used for collecting particles in the airflow sucked by the suction apparatus 10. The dust cup 50 is arranged on the air inlet side of the front cover 121, the central axis of the fan 11 coincides with the central axis of the dust cup 50, so that the wind loss is reduced, the wind power sucked by the suction device 10 is enhanced, and the suction device 10 has better cleaning effect.

In addition, the junction of dirt cup 50 and host computer shell 122 is equipped with spacing portion 80 to be convenient for host computer shell 122 and dirt cup 50 are easily aimed at and are connected when the installation, specifically, spacing portion 80 includes spacing protruding 81 and spacing notch 82, and spacing protruding 81 sets up on dirt cup 50, and spacing notch 82 sets up on host computer shell 122, spacing protruding 81 and spacing notch 82 joint, with this connection dirt cup 50 and host computer shell 122. In some embodiments, the front cover 121 and the main housing 122 are respectively provided with a matched screw hole, and the bolts are screwed with the corresponding screw holes of the front cover 121 and the main housing 122 to connect the front cover 121 and the main housing 122, so that the front cover 121 and the main housing 122 can be detachably mounted, and the maintenance is convenient.

The suction device 10 of the embodiment of the present application further includes a handle 90, which is convenient for a user to hold the cleaning apparatus for working, further enhances the user experience, and reduces the fatigue of the working, specifically, the handle 90 includes a handle body and a holding portion, the handle body is connected with the body of the cleaning apparatus, and the holding portion is convenient for the user to hold.

According to the suction device 10 provided by the embodiment of the application, the fan 11 comprises the first end 111 and the second end 113 which are opposite, the shell 12 comprises the front cover 121 and the main machine shell 122 which are connected, the fan 11 is accommodated in the accommodating space of the main machine shell 122, the front cover 121 is covered on the main machine shell 122, the first end 111 of the fan 11 is abutted on the front cover 121 through the first shock absorbing member 30, the second end 113 of the fan 11 is abutted on the main machine shell 122 through the second shock absorbing member 40, so that the fan 11 can be arranged in the accommodating space of the main machine shell 122 in a suspending manner, and the fan 11 is not in direct contact with the shell 12. For the suction device 10 of the embodiment of the application, the first damping piece 30 and the second damping piece 40 are arranged at two ends of the fan 11, so that the fan 11 can be arranged in the shell 12, the working noise of the vibration of the fan 11 is reduced, the service life of the fan 11 is prolonged while the cleaning effect is ensured, and the use experience of a user is improved.

The embodiment of the present application further provides a cleaning apparatus (not shown) including the suction device 10 as described above, and the specific structure of the suction device 10 is discussed above, and since the cleaning apparatus adopts all the technical solutions of all the embodiments, at least all the beneficial effects caused by the technical solutions of the embodiments are provided, and will not be described in detail herein.

It should be noted that the cleaning device is a hand-held cleaner, a hand-held scrubber, a hand-held sweeper, or a hand-held washing and sweeping integrated machine.

Currently, the existing suction apparatus 10 is too noisy to be used in a quiet environment. In the suction device 10 provided by the embodiment of the application, the negative pressure generated by the fan 11 drives the air inside and outside the shell 12 to continuously flow along a certain direction, the fan 11 comprises the first end 111 and the second end 113 which are opposite, the shell 12 comprises the front cover 121 and the main shell 122 which are connected, the fan 11 is accommodated in the accommodating space of the main shell 122, the front cover 121 covers the main shell 122, the first end 111 of the fan 11 is abutted to the front cover 121 through the first shock absorbing member 30, the second end 113 of the fan 11 is abutted to the main shell 122 through the second shock absorbing member 40, so that the fan 11 can be arranged in the accommodating space of the main shell 122 in a suspended manner, and the fan 11 is not in direct contact with the shell 12. For the suction device 10 of the embodiment of the application, the first damping piece 30 and the second damping piece 40 are arranged at two ends of the fan 11, so that the fan 11 can be arranged in the shell 12, the working noise of the vibration of the fan 11 is reduced, the service life of the fan 11 is prolonged while the cleaning effect is ensured, and the use experience of a user is improved.

In addition, the cleaning device can be wired or wireless, can adapt to different working environments, and further enhances the experience of a user, and is not limited herein. In some embodiments, if the cleaning device is wireless, the cleaning device is further provided with a charging port through which an external power source is mounted inside the body to charge the power source in the cleaning device.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the scope of the application, and all equivalent structural changes made by the description of the present application and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the application.

Claims (9)

1. A suction device, comprising:

a fan including opposed first and second ends;

The shell comprises a front cover and a main machine shell which are connected, wherein the front cover is covered on the main machine shell, the main machine shell is hollow and is provided with an accommodating space, and the fan is accommodated in the accommodating space of the main machine shell;

The first end part of the fan is abutted against the front cover through the first shock absorbing piece; and

The second shock-absorbing member, the second tip of fan passes through the butt of second shock-absorbing member is in on the host computer shell, so that the fan unsettled ground sets up in the accommodation space of host computer shell, the second shock-absorbing member is including continuous butt portion and extension, the butt portion of second shock-absorbing member is the disk form, the extension is cylindric, the second shock-absorbing member still includes connecting portion, connecting portion set up the butt portion with between the extension, connecting portion is rectangular block, the host computer shell is equipped with the constant head tank, when the extension set up in the constant head tank of host computer shell, connecting portion butt is in on the interior bottom surface at constant head tank edge of host computer shell.

2. The suction device as claimed in claim 1, wherein the end face of the first shock absorbing member facing the front cover is provided with a plurality of projections, the plurality of projections being independent of each other, the plurality of projections abutting on the front cover.

3. The suction device as claimed in claim 2, wherein the inner surface of the front cover facing the fan is provided with a mounting groove, the end surface of the first end of the fan is provided with a convex ring surrounding the air inlet, the first shock absorbing member is in a hollow column shape, the first shock absorbing member comprises a third end and a fourth end which are opposite, the third end is accommodated in the mounting groove of the front cover, and the fourth end is sleeved on the convex ring of the end surface of the first end of the fan.

4. The suction device as claimed in claim 1, wherein a rectangular convex edge is provided on an end surface of the second end portion of the fan, a rectangular groove is provided on an end surface of the abutting portion facing the fan, the groove of the abutting portion is matched with the convex edge on the second end portion of the fan, the extending portion is fixedly arranged in a positioning groove of the main casing, a plurality of mutually independent convex ribs are provided on a side wall of the extending portion, and the extending portion abuts against an inner wall of the positioning groove through the convex ribs.

5. The suction apparatus of claim 4, further comprising a fan cover, wherein the fan cover is sleeved on the fan, a male buckle is arranged on a groove wall of a mounting groove on an inner surface of the front cover, a female buckle is arranged on an end portion of the fan cover, which faces the front cover, in an extending manner, the fan cover is buckled with the male buckle on the front cover through the female buckle, the fan cover is clamped with the front cover, a through hole is arranged on the bottom surface of the fan cover, the connecting portion penetrates through the through hole, the circumference side of the connecting portion is abutted on an inner wall of the through hole, and the fan cover is arranged at intervals with the fan.

6. The suction apparatus of claim 5 further comprising a dirt cup disposed on the air intake side of the front cover, the central axis of the blower being coincident with the central axis of the dirt cup.

7. The suction apparatus of claim 6 further comprising an air supply port provided in the front cover of the housing, the air inlet of the blower being provided in the first end of the blower, the air outlet of the blower being provided in the side of the blower, the blower housing being provided with an air outlet, the blower being operable to provide an air flow through the interior of the dirt cup from the air supply port of the housing into the interior of the housing and out of the air outlet of the blower housing via the air inlet and the air outlet of the blower.

8. A suction device as claimed in any one of claims 1 to 7, wherein the first and second shock absorbing members are each of flexible construction.

9. A cleaning appliance comprising a suction device as claimed in any one of claims 1 to 8.