TWM647934U - Dust collection component and air purifier - Google Patents

Abstract

A dust collection component and an air purifier. The air purifier includes an air purifier body and a dust collection component. The dust collection assembly includes filters, covers and dust suction tubes. The filter allows air to pass from outside to inside to block dust in the air. The cover body covers the outside of the filter element and defines a dust collection space with the filter element. The cover body includes a positioning piece and an adapter piece that can be detachably installed on the positioning piece. The outer surface of the connecting piece forms a connecting hole connected to the dust collecting space. The vacuum hose includes a connecting end and a movable end. The connecting end is installed on the connecting piece and communicates with the connecting hole. The movable end is located outside the air purifier body and is suitable for guiding external dust to the dust collection space. The vacuum tube can be bent to change the position of the movable end relative to the connecting hole. This allows the vacuum tube to be operated by the user according to the user's needs and guide local dust falling in the external environment to the dust collection space. , to expand the dust removal range.

Description

Dust collection components and air purifiers

The present invention relates to an air purifier, in particular to an air purifier with a dust collection component.

The existing air purifier has a fan and a filter, and uses the fan to extract air to drive the air in the external environment to flow through the filter, so that the dust suspended in the air is blocked by the filter, thereby purifying the air. effect, and the purified air will be driven by the fan and discharged from the air purifier. However, existing air purifiers can usually only suck dust suspended in the air to the filter, resulting in some that are too heavy to be easily suspended. Dust (such as human body or pet hair) is deposited on the ground or on the surface of objects, causing the external environment to be dirty.

Therefore, the purpose of the present invention is to provide a dust collection assembly that can solve the aforementioned problems.

Therefore, the new dust collection assembly is suitable for installation on the body of an air purifier. The dust collection component includes a filter element, a cover body and a dust suction pipe.

The filter is installed in the body of the air purifier and allows air to pass from outside to inside to block dust in the air.

The cover body covers the outside of the filter element and defines a dust collection space with the filter element. The cover body includes a positioning member installed on the filter member, and an connecting member detachably installed on the positioning member. The outer surface of the connecting piece forms a connecting hole connected to the dust collection space.

The vacuum suction pipe is in the shape of a long strip and includes a connecting end and a movable end away from the connecting end. The connecting end is installed on the connecting piece and communicates with the connecting hole. The movable end is located outside the air purifier body and is suitable for guiding external dust to the dust collection space. The vacuum tube can be bent to change the position of the movable end relative to the connecting hole.

In some embodiments, the filter element includes a cylindrical and longitudinally extending filter portion, and two mounting seat portions respectively extending outward and transversely from the upper and lower edges of the filter portion. The filter allows air to pass from outside to inside to block dust in the air. The cover surrounds the filter part and fits the mounting seats. The positioning piece abuts a part of the filter part to prevent air from passing through. The connecting piece and another part of the filter part are spaced apart from each other to define the dust collection space.

In some implementations, the dust collection assembly further includes a dust suction member. The dust collector can be detachably sleeved on the movable end and communicates with the connecting hole, and is suitable for guiding external dust to the dust collection space through the dust suction pipe. The diameter of the opening of the dust collector is different from that of the dust collector tube.

In some embodiments, the dust collector includes a sleeve portion that is detachably sleeved on the movable end and communicates with the connecting hole, and a ring portion protruding outward from the periphery of the sleeve portion. The dust collection assembly also contains two hooks. The hooks are respectively arranged on two opposite sides of the movable end. Each hook includes a fulcrum portion elastically connected to the movable end, and a buckle portion bent and extended from the fulcrum portion in a direction away from the connecting end. Each of the hooks can be operated to elastically displace with the fulcrum portion as the fulcrum, so that the buckling portion changes between a buckled position and an unclasped position. In the buckling position, the buckling portion abuts against the side of the ring portion away from the connecting end, so that the dust collector cannot move in a direction away from the connecting end. In the unbuckled position, the buckle part is further away from the sleeve part than the ring part, so that the dust collector can be separated from the dust collector tube.

In some embodiments, the connecting hole is a round hole, the connecting end is in the shape of a circular tube, and the connecting end can be rotatably inserted into the connecting hole.

In some embodiments, the inner wall of the connecting hole is recessed along a radial direction to form two spaced apart grooves. The connecting end can be detachably inserted into the connecting hole. The suction pipe also includes two protrusions. The protrusions are provided on the outer surface of the connecting end and can be detachably inserted into the grooves respectively, so that the connecting end cannot withdraw from the connecting hole.

Therefore, another object of the present invention is to provide an air purifier having the aforementioned dust collecting assembly.

Therefore, the new air purifier includes an air purifier body and the aforementioned dust collection component.

The air purifier body includes a casing and an air intake unit. The interior of the housing forms an accommodation space with an installation opening. The outer surface of the housing forms at least one air inlet connected to the accommodation space and having a diameter smaller than the installation port. The air intake unit is disposed in the accommodation space and can be controlled to operate to generate an air intake suction.

The filter element of the dust collection assembly is disposed in the accommodation space and aligned with the air inlet unit. The positioning component of the cover is disposed in the accommodating space and installed on the filter component.

Wherein, the air purifier can change between a first use state and a second use state. In the first use state, the connecting piece of the cover is installed on the positioning piece and is covered outside the filter piece. One of the connecting piece and the suction pipe passes out of the housing through the installation opening. The dust collection assembly can be driven by the air inlet suction to allow external dust to be guided into the dust collection space through the movable end of the dust suction pipe and blocked by the filter. In the second use state, the connecting member is not covered outside the filter member, so that part of the outer surface of the filter member communicates with the air inlet so that dust from the air inlet is blocked by the filter member.

In some embodiments, the housing includes a base, a surrounding wall extending upward from the periphery of the base, a top seat disposed above the surrounding wall, and a top surface disposed on the base and located in the container. The stopper in the installation space, the base, the surrounding wall and the top base jointly define the accommodation space, the installation opening of the accommodation space is formed in the enclosure wall, the stopper is located on the base away from the installation One side of the mouth is used to limit the dust collection component so that the dust collection component is positioned on the base.

In some embodiments, the housing further includes a grille cover that allows air and dust to pass through. When the air purifier is in the second use state, the grille cover covers the installation opening.

The function of the present invention is that by changing the position of the movable end of the vacuum tube relative to the connecting hole, the vacuum tube can be operated by the user according to the user's needs and guide the local dust falling in the external environment. It is introduced into the dust collection space to expand the dust removal range.

Referring to Figures 1 to 3, an embodiment of the new air purifier is shown. The air purifier is suitable for filtering and removing dust from external air, and includes an air purifier body 100 and a dust collecting assembly 200 that is detachably installed in the air purifier body 100 . The air purifier body 100 is provided with components such as a control module and a power module not shown in the figure, and includes a housing 1 and an air intake unit 2 . The interior of the housing 1 forms an accommodating space 11 with an installation opening 111 . The installation opening 111 allows the dust collection assembly 200 to pass through, so that the dust collection assembly 200 can be installed in the air purifier body 100 . The outer surface of the housing 1 is formed with a plurality of air inlets 131 connected to the accommodating space 11 and having a diameter smaller than the installation port 111 . The air inlets 131 are suitable for guiding external dust suspended in the air together with the air to the accommodation space 11 .

Referring to Figures 1 to 3 and 12, in this embodiment, the housing 1 is in the shape of a rectangular parallelepiped but is not limited thereto, and includes a base 12 that can be disposed on the ground, and a base 12 extending upward from the periphery of the base 12. The surrounding wall 13, a top base 14 provided above the surrounding wall 13, a stopper 15 provided on the top surface of the base 12, and a grid cover 16 that can be detachably installed on the surrounding wall 13 (see Figure 12). The base 12 , the surrounding wall 13 and the top base 14 jointly define the accommodation space 11 . The installation opening 111 of the accommodation space 11 is formed on one side of the surrounding wall 13 . Further, the stopper 15 is located on the side of the base 12 away from the installation opening 111, and the stopper 15 is U-shaped with its opening facing the installation opening 111. In this way, when the dust collection assembly 200 is installed from the When the opening 111 passes through and is installed in the accommodating space 11 , the stopper 15 will restrict the dust collecting assembly 200 from further movement, so as to position the dust collecting assembly 200 on the base 12 . On the other hand, the grill cover 16 is provided with a hole, so that when the grill cover 16 is installed on the surrounding wall 13 to cover the installation opening 111 , the grill cover 16 can also allow air and dust to pass through. In addition, the outer surface of the surrounding wall 13 is recessed inward to form the air inlets 131 connected to the accommodation space 11 . Specifically, the air inlets 131 are respectively formed on two opposite sides of the surrounding wall 13 . The outer surface of the top base 14 is recessed inward to form a plurality of exhaust ports 141 connected to the accommodating space 11 . The exhaust ports 141 are suitable for discharging air from the accommodation space 11 to the outside. However, the air inlets 131 may also be formed on one side of the surrounding wall 13 , or on multiple adjacent sides of the surrounding wall 13 . The positions of the air inlets 131 are not limited to the above description. . In addition, the number of the air inlets 131 may be only one, and is not limited to multiple. On the other hand, the exhaust ports 141 may also be formed in the surrounding wall 13 and are not limited to a specific position, and the number of the exhaust ports 141 may be only one, and the number is not limited to multiple.

Referring to FIG. 2 , the air intake unit 2 is disposed in the accommodation space 11 and is provided with components such as a motor, a fan, and air ducts that are not shown in the figure. And the air intake unit 2 can operate in a controlled manner to generate an air intake suction force. In this embodiment, the upper and lower sides of the air inlet unit 2 are respectively aligned with the exhaust ports 141 and the dust collecting assembly 200, so as to generate the air intake suction force to allow the outside air to flow to the dust collecting assembly. 200, and allow the air passing through the dust collecting assembly 200 to be discharged to the outside through the exhaust ports 141.

Referring to FIGS. 2 to 5 , the dust collection assembly 200 is used to absorb dust and includes a filter 3 , a cover 4 and a dust suction pipe 5 . The filter element 3 is, for example, a filter screen, and is installed in the air purifier body 100 (that is, disposed in the accommodating space 11). The filter 3 can allow air to pass from outside to inside to block dust in the air. Specifically, the filter element 3 includes a cylindrical filter portion 31 extending longitudinally, and two mounting seat portions 32 extending outward and transversely from the upper and lower edges of the filter portion 31 respectively. The central channel of the filter part 31 is aligned with the air intake unit 2. In this way, when the air intake unit 2 is controlled to operate to generate the air intake suction force, the outside air will be driven by the air intake suction force and flow through the filter part 31. The pores on the outer surface of the filter part 31 flow toward the central channel of the filter part 31 , so that the dust in the air cannot pass through the pores of the filter part 31 and is blocked by the filter part 31 . In addition, one of the mounting seat portions 32 is disposed on the top surface of the base 12 , and the other of the mounting seat portions 32 is disposed below the air inlet unit 2 to connect with the air inlet unit 2 connection, but the arrangement manner of the mounting seat portions 32 is not limited to the above description.

The cover body 4 surrounds the filter element 3 and fits the mounting seat portions 32 . And the cover body 4 and the filter element 3 define a dust collection space 6 . Specifically, the cover 4 includes a positioning member 41 disposed in the accommodating space 11 and installed on the filter member 3 , and an connecting member 42 detachably installed on the positioning member 41 . The outer surface of the connecting piece 42 forms a connecting hole 421 connected to the dust collecting space 6 . In this embodiment, the positioning member 41 and the connecting member 42 are quickly connected in a snapping manner, but are not limited to this. In addition, the cross section of the positioning member 41 is semicircular, so that the positioning member 41 is close to a part of the filter part 31 (the side of the filter part 31 away from the installation opening 111), so that air cannot pass; The connecting piece 42 is spaced apart from another part of the filter part 31 (the side of the filter part 31 adjacent to the installation port 111) to define the dust collection space 6. In this way, when the external dust is affected by the inlet air When the dust is guided to the dust collection space 6 by suction, the dust will be concentrated in the dust collection space 6 so that the user can remove the dust, and the positioning member 41 abuts and covers a part of the filter part 31. This allows the air intake suction force of the air intake unit 2 to be concentrated on the portions of the filter portion 31 and the connecting member 42 that are spaced apart from each other, thereby enhancing the dust suction effect of the dust collection assembly 200 .

Referring to Figures 2, 4 to 7, the vacuum tube 5 is elongated and flexible, and includes a connecting end 51 and a movable end 52 away from the connecting end 51. The connecting end 51 is installed on the connecting piece 42 and communicates with the connecting hole 421 . The movable end 52 passes through the installation hole and is located outside the air purifier body 100 , and is suitable for guiding external dust to the dust collecting space 6 . The vacuum tube 5 can be bent to change the position of the movable end 52 relative to the connecting hole 421 . In this embodiment, the connecting end 51 can be detachably inserted into the connecting hole 421 to facilitate storage. Preferably, the connecting hole 421 is a round hole, and the connecting end 51 is in the shape of a circular tube and can be rotatably inserted into the connecting hole 421 . In this way, the vacuum pipe 5 does not need to be disposed during assembly with the connecting piece 42 . It needs alignment and is more convenient. Preferably, the inner wall of the connecting hole 421 is recessed along the radial direction to form two spaced apart grooves 422. The vacuum pipe 5 also includes two outer surfaces provided on the connecting end 51 and can be detachably inserted into the two outer surfaces. The protrusions 53 of the groove 422, in this way, when the connecting end 51 is inserted into the connecting hole 421, the protrusions 53 are respectively inserted into the grooves 422, so that the connecting end 51 does not exert any external force. In this case, it cannot exit from the connecting hole 421 and cannot rotate in the connecting hole 421, but has a positioning effect.

Referring to Figures 3, 5, 8, 9 to 11, further, the dust collection assembly 200 further includes a dust collector 7. The dust collector 7 can be detachably sleeved on the movable end 52 and communicates with the connecting hole 421 , and is suitable for guiding external dust to the dust collection space 6 through the dust suction pipe 5 . The diameter of the opening of the dust collector 7 is different from that of the dust collector tube 5 so as to be used in different external environments (such as slits or drawers). In this embodiment, the dust collector 7 is a flat, single-port rigid pipe with a gradually expanding diameter as shown in Figure 8 . However, the dust collector 7 can also be a Y-shaped double-port rigid pipe as shown in Figure 11 . , not limited to specific types.

Preferably, the dust collector 7 includes a sleeve portion 71 that is detachably sleeved on the movable end 52 and communicates with the connecting hole 421, and a ring portion 72 protruding outward from the periphery of the sleeve portion 71. The dust collecting assembly 200 also includes two hooks 8 . The hooks 8 are respectively arranged on two opposite sides of the movable end 52 . Each hook 8 includes a fulcrum portion 81 elastically connected to the movable end 52 , and a buckle portion 82 extending from the fulcrum portion 81 in a direction away from the connecting end 51 . Each hook 8 can be operated to elastically displace with the fulcrum portion 81 as a fulcrum, so that the buckling portion 82 changes between a buckling position as shown in Figure 9 and an unclasp position as shown in Figure 10 . In the buckling position, the buckling portion 82 abuts against the side of the ring portion 72 away from the connecting end 51 , so that the dust collector 7 cannot move in a direction away from the connecting end 51 . In the unbuckled position, the side of the buckle portion 82 adjacent to the sleeve portion 71 is further away from the sleeve portion 71 than the side of the ring portion 72 away from the sleeve portion 71 , so that the dust collector 7 is not restricted. And can be separated from the dust suction pipe 5 .

Referring to Figures 1, 2, 12 and 13, the air purifier can be converted between a first use state as shown in Figure 1 and a second use state as shown in Figures 12 and 13. In the first use state, the connecting member 42 of the cover 4 is installed on the positioning member 41 and covers the filter member 3 . One of the connecting member 42 and the dust suction pipe 5 passes through the installation opening 111 Passing out of the casing 1 , the dust collection assembly 200 can be driven by the air suction force to allow external dust to be guided to the dust collection space 6 through the movable end 52 of the dust suction pipe 5 and be filtered by the filter. 3 block. In the second use state, the connecting member 42 is not covered outside the filter member 3 so that part of the outer surface of the filter member 3 communicates with the air inlet 131 so that the dust from the air inlet 131 is absorbed by the air inlet 131 . Filter element 3 blocks.

Continuing to refer to Figure 1, Figure 2, Figure 12 and Figure 13, the two usage states of the air purifier will be specifically described below. When the user needs to partially clean the local dust deposited on the ground or the surface of an object, he first removes the grill cover 16 of the air purifier; then, installs the connecting piece 42 on the positioning piece 41 so that the cover 4 Cover the filter 3; then, insert the dust suction tube 5 into the connecting hole 421, and rotate the dust suction tube 5 so that the protrusions 53 are inserted into the grooves 422 to position the dust suction tube 5; finally , operate the hooks 8 to the unbuckled position, and then install the corresponding dust collector 7 on the movable end 52 of the vacuum tube 5 according to the usage environment, and then release the hooks 8 to allow the hooks to 8 is in the buckling position, that is, the air purifier can be converted into the first use state. At this time, start the air purifier and aim the movable end 52 of the dust suction pipe 5 together with the dust suction member 7 at the dust to be removed, so that the dust and air can be absorbed by the air suction generated by the air intake unit 2 The dust collecting member 7 and the dust collecting pipe 5 are driven to the dust collection space 6 and are blocked by the filter member 3 to complete the dust removal action.

When the user needs to remove dust from the air in the external environment, the connecting piece 42 together with the dust suction pipe 5 and the dust suction piece 7 can be removed at the same time, and the grid cover 16 can be installed back to the surrounding wall 13 to shield it. The installation opening 111 enables the air purifier to be converted into the second use state. At this time, when the air purifier is started, the air in the external environment together with the dust suspended in the air will be driven by the air intake suction generated by the air intake unit 2, and the air inlets 131 and the grille cover 16 The holes are guided into the accommodation space 11 and are blocked by the filter element 3 and attached to the filter part to purify the air. In this way, the air purifier can be used for small-scale dust removal or large-scale air purification according to needs. Clean and suitable for a wide range of applications.

To sum up, by changing the position of the movable end 52 of the dust suction tube 5 relative to the connecting hole 421, the dust suction tube 5 can be operated by the user according to the user's needs to remove dust falling in the external environment. Partial dust is guided into the dust collecting space 6 to expand the dust removal range, so the purpose of the present invention can be achieved indeed.

However, the above are only examples of the present invention, and should not be used to limit the scope of the present invention. All simple equivalent changes and modifications made based on the patent scope of the present invention and the content of the patent specification are still within the scope of the present invention. Within the scope covered by this new patent.

100: Air purifier body 1: Shell 11: Accommodation space 111: Installation port 12: Base 13: wall 131:Air inlet 14:Top seat 141:Exhaust port 15: Stopper 16:Gate cover 2:Air intake unit 3:Filter 31:Filtering Department 32:Installation seat 4: Cover body 41: Positioning parts 42: Connecting parts 421:Connection hole 422: Groove 5: Vacuum hose 51:Connection end 52:Active end 53:Protrusion 6: Dust collection space 7: Vacuum collection parts 71: Casing Department 72: Ring part 8: Hook 81: Fulcrum Department 82:Buckle part 200:Dust collection component

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: Figure 1 is a perspective view illustrating one embodiment of the new air purifier; Figure 2 is a perspective view corresponding to Figure 1 , illustrating the connection relationship between the air purifier body and the dust collection assembly in this embodiment, and a portion of a surrounding wall of the air purifier body is removed; Figure 3 is an exploded perspective view illustrating implementation details of the embodiment in a first use state; Figure 4 is a perspective view illustrating the connection relationship between a filter element and a cover body of the dust collection assembly; Figure 5 is a partially exploded view of Figure 4, illustrating the implementation details of the filter element and the cover body; Figure 6 is an incomplete perspective view illustrating the implementation details of a dust suction pipe of the dust collection assembly; Figure 7 is an incomplete side view corresponding to Figure 6; Figure 8 is an incomplete perspective view illustrating the connection relationship between a dust collection piece, two hooks and the dust collection pipe of the dust collection assembly; Figure 9 is an incomplete top view corresponding to Figure 8, illustrating an embodiment in which the hooks are in a buckling position; Figure 10 is an incomplete top view similar to Figure 9, illustrating an embodiment in which the hooks are in an unlatched position; Figure 11 is an incomplete three-dimensional view illustrating different implementation aspects of the dust collector; Figure 12 is a perspective view illustrating the embodiment in a second usage state, in which the dust suction pipe, the dust suction piece, the hooks and a connecting piece of the cover are removed, and the air is purified A grid cover of the machine body is installed on the surrounding wall; and Figure 13 is a perspective view corresponding to Figure 12, with part of the surrounding wall removed.

100: Air purifier body

1: Shell

11: Accommodation space

12: Base

13: wall

14:Top seat

141:Exhaust port

15: Stopper

2:Air intake unit

4: Cover body

5: Vacuum hose

7: Vacuum collection parts

200:Dust collection component

Claims (9)

A dust collection component is suitable for installation on the body of an air purifier and includes: A filter is installed in the body of the air purifier and allows air to pass from outside to inside to block dust in the air; A cover body that covers the outside of the filter element and defines a dust collection space with the filter element. The cover body includes a positioning piece installed on the filter piece, and an adapter piece that is detachably installed on the positioning piece. , the outer surface of the connecting piece forms a connecting hole connected to the dust collecting space; and A vacuum pipe is in the shape of a long strip and includes a connecting end and a movable end away from the connecting end. The connecting end is installed on the connecting piece and connected to the connecting hole. The movable end is located outside the body of the air purifier and is suitable for In order to guide external dust to the dust collection space, the dust suction tube can be deflected to change the position of the movable end relative to the connecting hole. The dust collection assembly according to claim 1, wherein the filter element includes a cylindrical and longitudinally extending filter part, and two mounting seat parts extending outward and transversely from the upper and lower edges of the filter part, respectively. The filter part can allow air to pass from the outside to the inside to block dust in the air; the cover surrounds the filter part and fits with the mounting seats, and the positioning piece is close to the filter part One part prevents air from passing through, and the connecting piece and another part of the filter part are spaced apart from each other to define the dust collection space. The dust collecting assembly as claimed in claim 1 further includes a dust collecting piece that can be detachably mounted on the movable end and connected to the connecting hole, and is suitable for guiding external dust to the connecting hole through the dust collecting pipe. In the dust collecting space, the diameter of the opening of the dust collecting part is different from that of the dust collecting pipe. The dust collection assembly as claimed in claim 3, wherein the dust collector includes a sleeve part that is detachably sleeved on the movable end and communicates with the connecting hole, and a pipe part protruding outward from the periphery of the sleeve part. The ring part, the dust collecting assembly also includes two hooks, the hooks are respectively arranged on two opposite sides of the movable end, each hook includes a fulcrum part elastically connected to the movable end, and a fulcrum part moving away from the fulcrum part The buckle portion is bent and extended in the direction of the connecting end. Each hook can be operated to elastically displace with the fulcrum portion as the fulcrum, so that the buckle portion changes between a buckled position and an unclipped position. In the buckled position, the buckle portion abuts against the side of the ring portion away from the connecting end, so that the dust collector cannot move in a direction away from the connecting end. In the unbuckled position, the buckling portion is further away from the ring portion. The sleeve part enables the dust collector to be separated from the dust collector tube. The dust collecting assembly of claim 1, wherein the connecting hole is a round hole, the connecting end is in the shape of a circular tube, and the connecting end is rotatably inserted into the connecting hole. The dust collecting assembly according to claim 1, wherein the inner wall of the connecting hole is radially recessed to form two spaced apart grooves, the connecting end can be detachably inserted into the connecting hole, and the dust suction pipe further includes Two protrusions are provided on the outer surface of the connecting end and can be detachably inserted into the grooves respectively, so that the connecting end cannot withdraw from the connecting hole. An air purifier including: An air purifier body includes a casing and an air inlet unit. The interior of the casing forms an accommodating space with an installation opening. The outer surface of the casing forms at least one connected to the accommodating space and has a diameter smaller than The air inlet of the installation port, the air inlet unit is arranged in the accommodation space and can be controlled to operate to generate an air intake suction; and As for the dust collection assembly as described in any one of claims 1 to 6, the filter member of the dust collection assembly is disposed in the accommodation space and aligned with the air inlet unit, and the positioning member of the cover is disposed in the accommodation space and installed on the filter element, Wherein, the air purifier can be changed between a first use state and a second use state. In the first use state, the connecting piece of the cover body is installed on the positioning piece and covers the outside of the filter element, One of the connecting piece and the dust suction pipe passes out of the housing through the installation opening, and the dust collecting assembly can be driven by the air inlet suction to allow external dust to be guided to the collection through the movable end of the dust suction pipe. in the dust space and is blocked by the filter element; in the second use state, the connecting element is not covered outside the filter element, so that part of the outer surface of the filter element is connected with the air inlet to allow air from the inlet. Dust in the air port is blocked by the filter. The air purifier as claimed in claim 7, wherein the housing includes a base, a surrounding wall extending upward from the periphery of the base, a top seat disposed above the surrounding wall, and a base disposed on the base. The top surface is a stopper located in the accommodation space. The base, the surrounding wall and the top base jointly define the accommodation space. The installation opening of the accommodation space is formed on the enclosure wall. The stopper is It is located on the side of the base away from the installation opening to limit the dust collection component so that the dust collection component is positioned on the base. The air purifier as claimed in claim 8, wherein the housing further includes a grille cover that allows air and dust to pass through. When the air purifier is in the second use state, the grille cover covers the installation mouth.

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