CN220089351U - Desktop dust extraction - Google Patents

Abstract

The utility model provides a desktop dust collection device, which comprises a shell component, an air suction mechanism, a filtering mechanism and a cleaning mechanism, wherein a working space is arranged in the shell component, and the shell component comprises a dust collection opening and an air exhaust opening; the air suction mechanism is connected with the shell assembly and is used for providing dust suction power; the filtering mechanism is arranged in the shell component; the cleaning mechanism is arranged in the shell assembly and is used for cleaning dust on the filtering mechanism. The desktop dust collection device is provided with a filtering mechanism and an air suction mechanism, wherein the filtering mechanism and the air suction mechanism are arranged in a shell assembly, the air suction mechanism provides suction force, dust is sucked into the shell assembly from a dust collection opening, filtered by the filtering mechanism and then discharged from an exhaust opening; the cleaning mechanism is arranged in the shell assembly, and can remove dust on the filtering mechanism, so that the filtering mechanism is kept clean, the ventilation degree of the filtering mechanism is guaranteed, and the suction force of the desktop dust suction device can be guaranteed.

Description

Desktop dust extraction

Technical Field

The utility model relates to the technical field of desktop dust collection devices, in particular to a desktop dust collection device.

Background

Along with the development of society, various domestic appliances are gradually designed to meet the small household appliance demands of daily families, the appearance of the desktop dust collection device greatly facilitates the life of people, and when people are collecting desktop fragments and dust, the desktop dust collection device is convenient for users to clean the desktop conveniently after being used, and hands are not dirty and the desktop dust collection device is convenient to use.

Most of the traditional desktop dust collection devices in the current market adopt fans to generate negative pressure, dust on the desktop is sucked into a collection cup from a dust collection opening of a bottom cover, fan blades are directly placed in the bottom cover, no interlayer exists, the fan blades are easy to be blocked by hairs, pen scraps and the like during operation, the whole machine is caused to work ineffectively, a motor and a battery are seriously caused to generate heat too high, and potential safety hazards exist.

The prior art can refer to the Chinese patent with the publication number of CN210408260U, and provides a desktop dust collection device, wherein a cup cover is arranged between a collecting cup and a fan, the cup cover can separate a fan blade from the collecting cup, a filter window is arranged on the cup cover, and dust in the collecting cup can be blown to an exhaust hole by the fan to be discharged. However, when the fan is operated, the dust in the collecting cup may be sucked onto the filter screen, and the filter screen may be blocked by the dust over time, so that the suction force of the dust collector is weakened and the efficiency is deteriorated.

In summary, the desktop dust collection device in the prior art has a further room for improvement.

Disclosure of Invention

According to the technical problem, the cleaning mechanism is arranged in the dust collector, so that the filter screen in the filtering mechanism can be cleaned by the cleaning mechanism on the premise of not opening the desktop dust collector, and the desktop dust collector is convenient, sanitary and trouble-saving.

The utility model provides a desktop dust collection device, which comprises,

the shell assembly is provided with a working space inside and comprises a dust collection port and an exhaust port;

the air suction mechanism is connected with the shell assembly and is used for providing dust collection power;

a filter mechanism disposed in the housing assembly;

and the cleaning mechanism is arranged in the shell assembly and is used for cleaning dust on the filtering mechanism.

Compared with the prior art, the desktop dust collection device is provided with the filtering mechanism and the air suction mechanism, the filtering mechanism and the air suction mechanism are arranged in the shell assembly, the air suction mechanism provides suction force to suck dust from the dust collection opening into the shell assembly, and the dust is discharged from the air outlet after being filtered by the filtering mechanism;

particularly, in order to prevent dust from blocking the filtering mechanism and affecting the dust collection function of the desktop dust collection device after long-term use, the utility model also provides a cleaning mechanism which is arranged in the shell assembly and can remove the dust on the filtering mechanism, so that the filtering mechanism is kept clean, the ventilation degree of the filtering mechanism is ensured, and the suction force of the desktop dust collection device can be ensured; and cleaning mechanism sets up in the casing subassembly, need not take out filtering mechanism and recleaning, can increase the convenience that the user cleaned filtering mechanism, can not dirty user's hand, and is comparatively clean, save trouble and convenient.

Further, the cleaning mechanism comprises a transmission assembly and a cleaning piece, wherein the transmission assembly is connected with the cleaning piece to drive the cleaning piece to rotate.

Further, the transmission assembly comprises transmission teeth, the inner wall of the shell assembly is provided with matching teeth matched with the transmission teeth, and the shell assembly can be rotated to drive the transmission assembly to rotate.

Further, the transmission assembly comprises transmission teeth, the transmission teeth are connected with the air suction mechanism, and the air suction mechanism can drive the transmission assembly to rotate when rotating.

Further, the transmission assembly comprises a roller, the roller is exposed at the bottom of the dust collection opening, and the roller can drive the cleaning piece to rotate when rotating.

Further, the filtering mechanism further comprises a filter screen bracket and a filter screen, and the filter screen is connected to the filter screen bracket;

the filter screen support is connected with the shell component.

Further, a filter opening is formed in the filter screen support, and a filter window capable of circulating air is formed at the overlapping part of the filter opening and the filter screen.

Further, the cleaning member comprises a brush and a mounting member, wherein the brush is connected to the mounting member, and the mounting member is connected with the transmission assembly.

Further, the air suction mechanism comprises a fan and a motor, the motor is connected to the shell assembly, and the fan is connected with an output shaft of the motor;

the air suction mechanism further comprises a guide cover, and the guide cover is connected to the bottom of the fan.

Further, the filtering mechanism further comprises a filter screen cover, the filter screen cover is connected with the filter screen support, and an air outlet is formed in the filter screen cover.

The desktop dust collection device has at least the following technical effects:

the dust collection device is provided with the filtering mechanism and the cleaning mechanism, the filtering mechanism has a filtering effect on the sucked gas, the dust content in the discharged gas is less, and the cleaning mechanism can remove the dust adhered on the filtering mechanism, so that the dust is prevented from blocking the filtering mechanism, and the dust collection effect of the desktop dust collection device is prevented from being influenced;

the transmission assembly is connected with the shell assembly or the suction mechanism through the transmission assembly and the cleaning piece, so that the rotating shell assembly can drive the cleaning piece to rotate to clean the filtering mechanism, or the cleaning piece can rotate along with the rotation of the suction mechanism to clean the filtering mechanism;

by arranging the exposed roller, when the desktop dust collection device rolls on the desktop to absorb dust, the roller rotates and drives the cleaning piece to clean the filtering mechanism.

Drawings

Fig. 1 is a schematic structural view of a desktop dust collector according to a first embodiment of the utility model;

fig. 2 is a schematic cross-sectional view of a desktop dust collector according to a first embodiment of the utility model;

fig. 3 is an exploded view of a desktop vacuum cleaner according to a first embodiment of the present utility model;

FIG. 4 is an enlarged schematic view of portion A of FIG. 2;

fig. 5 is a schematic cross-sectional view of a desktop dust collector according to a second embodiment of the utility model;

fig. 6 is an exploded view of a desktop vacuum cleaner according to a second embodiment of the present utility model;

FIG. 7 is a schematic view of a mounting member according to a second embodiment of the present utility model;

FIG. 8 is an enlarged schematic view of portion B of FIG. 5;

fig. 9 is a schematic cross-sectional view of a table top dust collector according to a third embodiment of the utility model;

FIG. 10 is an enlarged schematic view of portion C of FIG. 9;

FIG. 11 is an exploded view of a desktop vacuum cleaner in accordance with a third embodiment of the present utility model;

fig. 12 is a schematic structural view of a desktop dust collector according to a fourth embodiment of the present utility model;

fig. 13 is a schematic cross-sectional view of a desktop dust collector according to a fourth embodiment of the utility model;

fig. 14 is an exploded view of a desktop suction device according to a fourth embodiment of the present utility model;

FIG. 15 is a schematic view of a cleaning mechanism according to a fourth embodiment of the present utility model;

fig. 16 is an enlarged schematic view of a portion D of fig. 13.

Reference numerals: 1. a desktop dust collection device;

11. a housing assembly; 111. A bottom cover; 112. A bracket;

1111. a dust collection port; 1112. Mating teeth; 1121. An exhaust port;

12. an air suction mechanism; 121. a fan; 122. a motor; 123. a guide cover;

13. a filtering mechanism; 131. a filter screen; 132. a filter screen bracket; 133. a filter screen cover; 1321. filtering; 1331. an air outlet;

14. a cleaning mechanism; 141. a transmission assembly; 142. a cleaning member; 1411. a drive tooth; 1412. a roller; 1413. a turntable; 1421. a brush; 1422. a mounting member;

15. supporting the brush.

Detailed Description

In order to better understand the technical solutions of the present disclosure, the present disclosure will be described in detail, clearly and completely with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

The utility model is described in further detail below with reference to the accompanying drawings, see for example figures 1 to 16.

Example 1

As shown in fig. 1 to 4, which are a structural schematic view, a cross-sectional structural schematic view and an explosion schematic view of a tabletop dust collection device 1 of the present utility model, the tabletop dust collection device 1 of the present embodiment includes a housing assembly 11, an air suction mechanism 12, a filtering mechanism 13 and a cleaning mechanism 14, wherein a working space is formed inside the housing assembly 11, the housing assembly 11 includes a dust suction port 1111 and an air exhaust port 1121, the filtering mechanism 13 and the air suction mechanism 12 are disposed in the housing assembly 11, the air suction mechanism 12 provides suction force to suck dust from the dust suction port 1111 into the housing assembly 11, and the dust is filtered by the filtering mechanism 13 and then discharged from the air exhaust port 1121; the filter mechanism 13 is arranged in the shell assembly 11, a dust collection space is formed between the lower part of the filter mechanism 13 and the shell assembly 11, and the air suction mechanism 12 is arranged above the filter mechanism 13 and forms an air exhaust space with the shell assembly 11; the filter mechanism 13 has a filtering effect on the sucked gas, so that most of dust in the sucked gas is left in a dust collecting space formed by the filter mechanism 13 and the housing assembly 11, and the dust content in the gas discharged from the gas outlet 1121 is low; and the cleaning mechanism 14 is arranged in the shell assembly 11, and the cleaning mechanism 14 is matched with the filtering mechanism 13 to clean dust on the filtering mechanism 13, so that the filtering mechanism 13 is kept clean under the condition of avoiding dust blocking the filtering mechanism 13 when the dust collecting device is used for a long time, and then the ventilation degree of the filtering mechanism 13 is ensured, and the dust collecting function of the dust collecting device can be ensured.

Further, the housing assembly 11 includes a bottom cover 111 and a bracket 112, the bottom cover 111 is fixedly connected with the bracket 112 through a turnbuckle, the bracket 112 is connected to the bottom cover 111, the bottom cover 111 and the bracket 112 form a dust collection space, and the dust collection space includes a dust collection space at the lower part and an exhaust space at the upper part; the dust collection opening 1111 is arranged on the bottom cover 111, the air exhaust port 1121 is arranged on the bracket 112, and the air suction mechanism 12 is arranged on the bracket 112; the air suction mechanism 12 comprises a fan 121 and a motor 122, the motor 122 is fixedly connected to the bracket 112, the bracket 112 is provided with an installation space for accommodating the motor 122, and a rotating shaft of the motor 122 passes through a hole of the installation space and enters the desktop dust collection device 1; the top of the fan 121 is rotationally connected with a rotating shaft of the motor 122, and the motor 122 is used for driving the fan 121 to rotate to generate suction air, so that negative pressure is generated in the desktop dust collection device 1, and dust is collected; as shown in fig. 2 and 3, the desktop dust collection device 1 further includes a guide cover 123, the guide cover 123 is connected between the fan 121 and the filtering mechanism 13, the guide cover 123 is in an inverted frustum shape, an air inlet hole is formed in the bottom of the guide cover 123 and used for guiding air filtered by the filtering mechanism 13 to the fan 121, a connecting hole is formed in the top of the guide cover 123, a connecting column is arranged at the bottom of a fan blade of the fan 121 and inserted into the connecting hole, the fan 121 and the guide cover 123 are fixedly connected, the guide cover 123 can be driven by the fan 121 to rotate, so that air between the guide cover 123 and the fan 121 can be relatively compressed and concentrated, and suction is improved. In this embodiment, the exhaust hole is located above the air guide sleeve 123, and the fan 121 is a centrifugal fan 121. It should be noted that, the desktop dust collection device 1 of the present utility model further includes a control circuit board, a battery and a motor 122, and the connection relationship between the control circuit board, the battery and the motor is not an utility model point of the present utility model and is not described herein.

Further, the filtering mechanism 13 further comprises a filter screen bracket 132 and a filter screen 131, the filter screen 131 is connected to the filter screen bracket 132, and the filter screen 131 and the filter screen bracket 132 are formed by in-mold injection molding and are of an integrated structure; the filter screen bracket 132 is connected with the shell assembly 11, the shell assembly comprises a bottom cover 111 and a bracket 112, the filter screen bracket 132 is connected with the bracket 112 through buckles on two sides, a circle of ribs in the middle of the bottom cover 111 props against the filter screen bracket 132, plays a limiting and supporting role on the filter screen bracket 132, and can ensure the relative stability of a dust collection space between the filter screen bracket 132 and the bottom of the bottom cover 111; the filter screen 131 is connected to the filter screen bracket 132, and the filter screen bracket 132 is used for fixing the filter screen 131 and assisting the filter screen 131 in filtering; in this embodiment, the filter screen 131 is connected to the bottom of the filter screen bracket 132, that is, the filter screen 131 is located between the filter screen bracket 132 and the bottom cover 111, so that dust passes through the filter screen 131 and then passes through the filter screen bracket 132, thereby reducing the probability of dust adhering to the filter screen bracket 132 and ensuring effective collection of dust;

as shown in fig. 3, the filter screen bracket 132 is provided with at least one filter port 1321, and the overlapping part of the filter ports 1321 and the filter screen 131 forms a filter window capable of circulating air, and the filter port 1321 ensures the filtering effect and simultaneously ensures the structural stability of the filter screen bracket 132; when the desktop dust collection device 1 works, the gas carrying dust enters the dust collection space and then passes through the filter window part for filtering.

Further, the cleaning member 142 includes a brush 1421 and a mounting member 1422, the brush 1421 is connected to the mounting member 1422, the mounting member 1422 is connected to the transmission assembly 141, the mounting member 1422 is used for mounting the brush 1421, the mounting member 1422 is connected to the transmission assembly 141, and the brush 1421 can be driven to rotate, so that the brush 1421 cleans dust on the filter screen 131. As shown in FIG. 3, the mounting member 1422 is elongated and may have brushes 1421 mounted on both ends thereof.

Further, as shown in fig. 2 to 4, the filtering mechanism 13 further includes a filter cover 133, and the filter cover 133 is connected to the filter support 132; in this embodiment, the filter screen cover 133 is located between the filter screen bracket 132 and the bracket 112, the filter screen cover 133 is provided with a mounting hole, the filter screen bracket 132 is provided with a mounting protrusion matched with the mounting hole, the mounting protrusion is inserted into the mounting hole to realize connection of the filter screen cover 133 and the filter screen bracket 132, in addition, the filter screen cover 133 is provided with a limit stop bar, the limit stop bar is located at two sides of a hook of the filter screen bracket 132, so that the filter screen cover 133 and the filter screen bracket 132 keep opposite limit action, the filter screen cover 133 is matched with the filter screen bracket 132, a relatively airtight space can be formed between the filter screen cover 133 and the filter screen 131, the fan 121 and the bottom cover 111 are effectively isolated, and the probability of dust entering the fan 121 is reduced; the air outlet 1331 is arranged on the filter screen cover 133, the air outlet 1331 is arranged in the middle of the filter screen cover 133, and the filter screen 1321 is arranged at the outer edge of the filter screen bracket 132, so that the air outlet 1331 is staggered with the filter screen 1321, gas entering from a dust collection space is prevented from directly exiting from the air outlet 1331, the gas is prevented from exiting from the filter screen 1321 as much as possible and then is contacted with the solid part of the filter screen cover 133, part of dust is blocked, and then the gas exits from the air outlet 1331 in the middle of the filter screen cover 133, so that the dust content in the gas is effectively reduced;

as shown in fig. 4, the filter screen cover 133 is connected with the transmission component 141, and a mounting groove is formed at the bottom of the filter screen cover 133 and connected with the transmission component 141, so that a certain limiting effect is performed on the transmission component 141, and the stability of the transmission component 141 is ensured.

Further, as shown in fig. 2 to 4, the cleaning mechanism 14 includes a transmission assembly 141 and a cleaning member 142, the transmission assembly 141 is connected to the cleaning member 142 to rotate the cleaning member 142, the transmission assembly 141 is used for transmitting steering power, and the cleaning member 142 is rotated by the transmission assembly 141, so that the cleaning member 142 rotates relative to the filtering mechanism 13, the cleaning member 142 moves relative to the filtering mechanism 13, the cleaning member 142 rubs against the filtering mechanism 13, and the cleaning member 142 sweeps dust on the filtering mechanism 13, so that the filtering mechanism 13 is kept clean.

Further, in the present embodiment, as shown in fig. 2 to 4, the transmission assembly 141 includes a transmission gear 1411, one end of the transmission gear 1411 is rotatably connected to the motor 122, and the other end is connected to the cleaning member 142, and when the motor 122 rotates, the transmission gear 1411 can transmit a rotational force to the cleaning member 142 such that the cleaning member 142 rotates to clean the filter mechanism 13; preferably, the transmission gear 1411 is a three-stage transmission structure, and the three-stage transmission structure can be used for stably outputting the rotation power of the speed reduction, so that the rotation of the cleaning member 142 is relatively stable, wherein the primary gear is connected with the rotating shaft of the motor 122; the secondary gear is meshed with the primary gear, one end of the secondary gear is connected in the filter screen cover 133, and the other end of the secondary gear is connected in the filter screen bracket 132; the three-stage gear is meshed with the two-stage gear, the end part of the three-stage gear penetrates through the filter screen bracket 132 to be fixedly connected with the cleaning piece 142, and the three-stage gear is rotationally connected with the filter screen bracket 132; in this embodiment, the rotating shaft of the motor 122 is connected with the fan 121, and the protruding connecting shaft at the bottom of the fan 121 is fixedly connected with the primary gear. In actual use, the desktop dust collection device 1 starts to collect dust, and the brush 1421 starts to rotate, so that the filter screen 131 is automatically cleaned while dust is collected.

Further, a supporting brush 15 is provided at the bottom of the bottom cover 111; the support hairbrushes 15 are at least one group, and the support hairbrushes 15 raise the bottom of the collecting cup to form an air suction space; in addition, the supporting brush 15 can sweep the fine garbage attached to the table top to reduce the adhesion force, thereby helping to suck the garbage into the collecting cup.

Example two

In the present embodiment, the difference from the first embodiment is that there is no screen cover 133 in the present embodiment, and the shape of the cleaning member 142 in the present embodiment is different, the connection relationship of the transmission assembly 141 is different, and the arrangement of the filter openings 1321 on the screen bracket 132 is different; as shown in fig. 4 to 8, the dust suction device of the present embodiment is schematically shown in structure, cross-sectional structure and explosion.

As shown in fig. 6, in this embodiment, the transmission assembly 141 includes transmission teeth 1411, the inner wall of the bottom cover 111 is provided with engagement teeth 1112 engaged with the transmission teeth 1411, the transmission teeth 1411 are engaged with the mounting member 1422, when the bottom cover 111 is rotated, the engagement teeth 1112 of the bottom cover 111 are engaged with the transmission teeth 1411, the transmission teeth 1411 are engaged with the mounting member 1422, and the mounting member 1422 is driven to rotate, so that the brush 1421 rotates relative to the filter screen 131 to clean dust on the filter screen 131.

As shown in fig. 7, the mounting member 1422 includes a support cover and a support column, the side of the support column is provided with a rack that is matched with the driving gear 1411, the end of the support column is inserted into the bottom cover 111, the brush 1421 is mounted in at least one mounting hole of the support cover, and when a plurality of mounting holes are provided, the mounting holes can be Y-shaped; as shown in fig. 6, the dust suction opening 1111 of the bottom cover 111 is provided with a limiting hole for installing a supporting column, and the supporting column is rotatably connected with the limiting hole and plays a limiting role on the supporting column.

Correspondingly, a support structure matched with the mounting piece 1422 is arranged at the filter port 1321 of the filter screen bracket 132, a connecting column is arranged in the center of the support structure, and the connecting column is inserted into a connecting hole of a support cover on the mounting piece 1422 to limit the support cover; the supporting mechanism is provided with a supporting bar, the supporting bar divides the filter port 1321 into a plurality of small ports and plays a limiting role on the filter screen 131, so that the filter screen 131 is prevented from being shifted due to the fact that the filter screen 131 is acted when the suction force is too large, and the stability of the filter screen 131 is ensured; the connecting posts cooperate with the support posts to limit the mounting member 1422 up and down, so as to ensure the stability of the mounting member 1422. Holes for inserting the connecting posts are formed in the corresponding filter screens 131, and the filter screens 131 are arranged between the mounting members 1422 and the supporting structures. Filter outlet 1321 is disposed directly above mounting member 1422, and filter outlet 1321, suction outlet 1111 and the air inlet of pod 123 are located on the same axis.

Example III

In this embodiment, the difference between the first embodiment and the second embodiment is that the shape and the connection relationship between the driving component 141 and the cleaning member 142 are different, as shown in fig. 9 to 11, which are schematic structural diagrams, schematic sectional structural diagrams and schematic explosion diagrams of the dust suction device of this embodiment.

The transmission assembly 141 is fixedly connected with the cleaning piece 142, the transmission assembly 141 comprises transmission teeth 1411, a limiting hole is formed in the transmission teeth 1411, a limiting column matched with the limiting hole is arranged on the filter screen bracket 132 in a covering mode, the limiting column is inserted into the limiting hole to realize axial limiting fixation of the transmission teeth 1411, and the limiting teeth can only rotate around the limiting column; the driving teeth 1411 are engaged with the mating teeth 1112 of the bottom cover 111, the mounting member 1422 is fixedly connected with the driving teeth 1411, when the bottom cover 111 is rotated, the mating teeth 1112 of the bottom cover 111 are mated with the driving teeth 1411, and the driving teeth 1411 and the mounting member 1422 are rotated together, so that the brush 1421 rotates relative to the filter screen 131 to clean dust on the filter screen 131.

As shown in fig. 11, the mounting member 1422 is long handle-shaped, and the mounting member 1422 is provided with at least one mounting hole for mounting the brush 1421.

Example IV

In this embodiment, the difference from the first embodiment is that in this embodiment, the cleaning member 142 has different shapes, the connection relationship of the transmission assembly 141 is different, the connection position of the filter screen bracket 132 and the filter screen cover 133 is different, and the shape and position of the filter port 1321 are different; as shown in fig. 12 to 16, the dust collector of the present embodiment is schematically configured, schematically configured in cross section, exploded, partially enlarged, and the like.

In this embodiment, filtering mechanism 13 includes filter screen support 132, filter screen 131 and filter screen lid 133, filter screen 131 sets up between filter screen support 132 and filter screen lid 133, filter screen lid 133 sets up the below at filter screen support 132, filter screen lid 133 sets up in the position that is close to dust absorption mouth 1111 promptly, be equipped with spacing post on the filter screen support 132 outer wall, be equipped with on the filter screen lid 133 outer wall with spacing post complex spacing groove, the spacing groove is L type and the top has the opening, when filter screen lid 133 and filter screen support 132 are installed, insert spacing post from the opening at the top of spacing groove, go up the filter screen lid 133 again, make filter screen lid 133 and filter screen support 132 relatively fixed, thereby accomplish the connection of filter screen lid 133 and filter screen support 132, make filter screen lid 133 can play the supporting role to filter screen 131 from filter screen 131 bottom, guarantee the stability of filter screen 131.

As shown in fig. 13 to 16, the transmission assembly 141 includes a roller 1412 and a turntable 1413, wherein the roller 1412 and the turntable 1413 are both disposed at the bottom of the dust suction opening 1111 and exposed at the bottom of the dust suction opening 1111, the roller 1412 is rotatably connected to the bottom of the turntable 1413, and the rotation of the roller 1412 can drive the turntable 1413 to rotate; and the cleaning member 142 is disposed above the suction opening 1111, the cleaning member 142 is connected to the turntable 1413 through the suction opening 1111, and the cleaning member 142 is rotated together when the turntable 1413 is rotated. Further, the mounting member 1422 of the cleaning member 142 has a disc shape, and at least one mounting hole is formed therein, in which the brush 1421 is mounted.

As shown in fig. 14, the dust collection opening 1111 is provided with a support structure, the support structure is located between the turntable 1413 and the mounting member 1422, the support structure comprises a support plate for mounting and supporting the mounting member 1422, the support plate is provided with an annular flange, the mounting member 1422 can be limited in the support plate, the outer diameter of the mounting member 1422 is smaller than that of the support plate, the outer diameter of the support plate is smaller than that of the dust collection opening 1111, a dust collection channel is formed between the support plate and the dust collection opening 1111, dust enters the dust collector from the dust collection channel, and the dust collection channel is annular.

As shown in fig. 15 and 16, a mounting protrusion is provided at the bottom of the mounting member 1422, a mounting groove matched with the mounting protrusion is provided on the turntable 1413, a hole through which the mounting protrusion can pass is provided on the supporting plate, and the mounting protrusion is inserted into the mounting groove after passing through the supporting plate, thereby realizing connection between the mounting member 1422 and the turntable 1413. And the bottom of the turntable 1413 is connected with a roller 1412, the roller 1412 is rotatable, when a user uses the desktop dust collection device 1, the roller 1412 rotates with the desktop through friction when the user moves the desktop dust collection device 1, and the roller 1412 drives the turntable 1413 to rotate, so that the turntable 1413 drives the mounting member 1422 to move, and then the brush 1421 on the mounting member 1422 rotates, and the brush 1421 acts on dust on the filter screen 131 to realize cleaning of the filter screen 131.

The foregoing has outlined rather broadly the more detailed description of the utility model in order that the detailed description of the utility model that follows may be better understood, and in order that the present utility model may be better understood. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims (10)

1. A desktop dust collection device is characterized by comprising

A housing assembly (11), wherein a working space is formed inside the housing assembly (11), and the housing assembly (11) comprises a dust collection opening (1111) and an exhaust opening (1121);

the air suction mechanism (12) is connected with the shell assembly (11) and is used for providing dust collection power;

-a filter means (13), said filter means (13) being arranged in said housing assembly (11);

-a cleaning means (14), said cleaning means (14) being arranged in said housing assembly (11), said cleaning means (14) being adapted to clean dust from said filter means (13).

2. A desktop suction apparatus as claimed in claim 1, characterized in that,

the cleaning mechanism (14) comprises a transmission assembly (141) and a cleaning piece (142), and the transmission assembly (141) is connected with the cleaning piece (142) to drive the cleaning piece (142) to rotate.

3. A desktop suction apparatus as claimed in claim 2, characterized in that,

the transmission assembly (141) comprises transmission teeth (1411), the inner wall of the shell assembly (11) is provided with matching teeth (1112) matched with the transmission teeth (1411), and the shell assembly (11) can be rotated to drive the transmission assembly (141) to rotate.

4. A desktop suction apparatus as claimed in claim 2, characterized in that,

the transmission assembly (141) comprises transmission teeth (1411), the transmission teeth (1411) are connected with the air suction mechanism (12), and the air suction mechanism (12) can drive the transmission assembly (141) to rotate when rotating.

5. A desktop suction apparatus as claimed in claim 2, characterized in that,

the transmission assembly (141) comprises a roller (1412), the roller (1412) is exposed at the bottom of the dust collection opening (1111), and the roller (1412) can drive the cleaning piece (142) to rotate when rotating.

6. A desktop suction apparatus as claimed in any one of claims 1 to 5, characterized in that,

the filtering mechanism (13) further comprises a filter screen bracket (132) and a filter screen (131), and the filter screen (131) is connected to the filter screen bracket (132);

the screen bracket (132) is connected with the shell component (11).

7. A desktop suction apparatus as claimed in claim 6, characterized in that,

the filter screen bracket (132) is provided with a filter port (1321), and the overlapping part of the filter port (1321) and the filter screen (131) forms a filter window capable of circulating air.

8. A desktop suction apparatus as claimed in any one of claims 2 to 5, characterized in that,

the cleaning piece (142) comprises a brush (1421) and a mounting piece (1422), wherein the brush (1421) is connected to the mounting piece (1422), and the mounting piece (1422) is connected with the transmission assembly (141).

9. A desktop suction apparatus as claimed in any one of claims 1 to 5, characterized in that,

the air suction mechanism (12) comprises a fan (121) and a motor (122), the motor (122) is connected to the shell assembly (11), and the fan (121) is connected with an output shaft of the motor (122);

the air suction mechanism (12) further comprises a guide cover (123), and the guide cover (123) is connected to the bottom of the fan (121).

10. A desktop suction apparatus as claimed in claim 6, characterized in that,

the filter mechanism (13) further comprises a filter screen cover (133), the filter screen cover (133) is connected with the filter screen support (132), and an air outlet (1331) is formed in the filter screen cover (133).