CN111700540A - Desktop dust collector - Google Patents

Abstract

The invention discloses a desktop dust collector which comprises a shell and a dust collector main machine arranged in the shell, wherein the dust collector main machine comprises a dust collector motor, a dust collecting component and an auxiliary device electrically connected with the dust collector motor; the dust collector motor is vertically arranged in the shell, and the air suction opening is positioned below the air exhaust opening; the central axis of the vacuum cleaner motor is not coincident with the central axis of the housing so that the vacuum cleaner motor is eccentrically disposed within the housing. According to the invention, the motor of the dust collector is eccentrically arranged in the shell, so that the structure is optimized, the space utilization rate is improved, the heat dissipation performance of the motor of the dust collector is improved, and a space is provided for the design of the air duct which is smooth up and down and has no bending, so that the dust collector has a good dust collection effect.

Description

Desktop dust collector

Technical Field

The invention relates to the field of household appliances, in particular to a desktop dust collector.

Background

As a device for sucking dirt such as dust by using negative pressure and collecting the dirt together, along with the change of science and technology and the continuous change of user requirements, dust collectors have evolved into different types, such as horizontal dust collectors, vertical dust collectors, and handheld dust collectors. Most desktop dust collectors on the market correspond the dust catcher motor with the air inlet of dirt cup and arrange between two parties, though this kind of design simple structure, the dust catcher motor is arranged between two parties and is made the shell inner space width of dust catcher equal, lacks the space of great width in order to install large-scale part, can only increase the installation of shell diameter with the large-scale part of adaptation, causes the shell inner space utilization low, and product overall structure is too fat.

For example, according to the technical scheme disclosed in chinese patent 201720987916X, only a small-sized vacuum cleaner motor can be installed in the housing due to the distribution and volume of the product components, and the suction force of the small-sized vacuum cleaner motor is small, so that the performance of the tabletop vacuum cleaner is limited and the dust-collecting capability is poor.

Disclosure of Invention

The invention aims to provide a desktop dust collector, which is compact in structure and beneficial to improving the dust collection capacity of the dust collector by eccentrically and vertically arranging a motor in a shell.

The invention is realized by adopting the following technical scheme: a desktop dust collector comprises a shell and a dust collector main machine arranged in the shell, wherein the dust collector main machine comprises a dust collector motor, a dust collecting assembly and an auxiliary device electrically connected with the dust collector motor; the dust collector motor is vertically arranged in the shell, and the air suction opening is positioned below the air exhaust opening; the central axis of the vacuum cleaner motor is not coincident with the central axis of the housing so that the vacuum cleaner motor is eccentrically disposed within the housing.

In a preferred embodiment, the auxiliary device comprises a charging circuit board, a storage battery and a control circuit board, wherein the charging circuit board, the storage battery and the control circuit board are distributed around the motor of the dust collector.

In a preferred embodiment, the housing is provided with a first compartment, a second compartment, a third compartment and a fourth compartment inside, the charging circuit board is provided in the first compartment, the storage battery is provided in the second compartment, the control circuit board is provided in the third compartment, and the cleaner motor is provided in the fourth compartment.

In a preferred embodiment, a fixing plate is provided in the third compartment, and the control circuit board is fixed in the housing by the fixing plate.

In a preferred embodiment, the vacuum cleaner main unit further includes an upper cover, the upper cover is disposed on the housing, a motor bracket, a fixing bracket and an upper blocking plate are disposed on a lower surface of the upper cover, the vacuum cleaner motor is fixed on the motor bracket, the charging circuit board is fixed on the fixing bracket, the upper blocking plate is inserted into the housing, the first compartment, the second compartment and the third compartment are disposed on one side of the upper blocking plate, and the fourth compartment is disposed on the other side of the upper blocking plate.

In a preferred embodiment, the dust collecting assembly comprises a dust collecting channel, a dust cup and a filter arranged in the dust cup, wherein a dust collecting opening is formed in the lower tail end of the dust collecting channel, the lower tail end of the dust collecting channel is communicated with the dust cup, and the dust cup is communicated with an air suction opening of a dust collector motor so that the filter is limited between the dust collecting opening and the air suction opening of the dust collector motor.

In a preferred embodiment, the housing is provided with a lower bracket, the lower bracket is provided with an air inlet channel, and the dust cup and the dust collector motor are respectively and fixedly connected with the lower bracket so that the air inlet channel is communicated between the dust cup and an air suction inlet of the dust collector motor.

In a preferred embodiment, a first sealing member is provided between the lower bracket and the filter to close a coupling gap between the lower bracket and the filter, or/and a second sealing member is provided between the cleaner motor and the lower bracket to close a coupling gap between the cleaner motor and the lower bracket.

In a preferred embodiment, the air inlet channel is provided with a grid support, a mounting groove is arranged below the grid support, and porous filtering sponge is arranged in the mounting groove.

In a preferred embodiment, the motor of the vacuum cleaner is provided with an air outlet, the housing is provided with an air outlet, and the housing is internally provided with a partition member for partitioning the air outlet and the air outlet into an independent space.

Compared with the prior art, the invention provides the desktop dust collector, the motor of the dust collector is vertically arranged and eccentrically arranged in the shell, and the desktop dust collector has the following advantages: firstly, the dust collector motor is vertically arranged and eccentrically arranged in the shell, so that a larger space is formed on one side of the dust collector motor, which is far away from the inner wall of the shell, the space provides an installation space for arranging the auxiliary device, the auxiliary device and the dust collector motor are conveniently connected and installed, and the dust collector is compact in integral structure and small in size; secondly, the dust collector motor is vertically arranged in the shell, the air suction opening is positioned below the air exhaust opening, so that the dust collecting component is connected and arranged below the air suction opening, the dust collecting component, the air suction opening and the air exhaust opening form a dust collecting air duct which is almost not bent from bottom to top, air is smoothly sucked to air out, the suction force is larger, and the dust collecting capacity of the dust collector is improved; thirdly, the limited space in the shell can be fully utilized, the dust collector motor with larger size is placed in a vertical placement mode, the contact area between the dust collector motor and the shell or a firmware part for fixing the dust collector motor is relatively small, and therefore the heat dissipation performance is good, and stable and reliable work is protected.

Drawings

Fig. 1 is a schematic structural view of a table-top dust collector.

Fig. 2 is a schematic view of a half-section structure of a desktop dust collector.

Fig. 3 is a schematic view of the internal top structure of the housing of the desktop vacuum cleaner.

Fig. 4 is a schematic perspective view of a housing of a tabletop dust collector.

Fig. 5 is a schematic structural diagram of an upper cover of a desktop dust collector.

Fig. 6 is a schematic structural diagram of a surface cover plate of a desktop dust collector.

Figure 7 is a cross-sectional view of a dirt cup of a tabletop cleaner in accordance with the present invention.

Figure 8 is a schematic view of a second seal member of a tabletop cleaner of the present invention.

Fig. 9 is a schematic view of a filter of a table top vacuum cleaner according to the present invention.

Figure 10 is a first perspective view of a lower housing of a tabletop cleaner.

Figure 11 is a second perspective view of a lower housing of a tabletop cleaner according to the present invention.

The elements in the figures have the following meanings: a cleaner main body 1; a housing 2; a first compartment 21; a second compartment 22; a third compartment 23; a fourth compartment 24; an air outlet 25; a partition 26; a cleaner motor 31; a charging circuit board 32; a storage battery 33; a control circuit board 34; a circuit board fixing plate 41; a mounting post 42; an upper cover 5; a motor bracket 51; a fixed bracket 52; an upper barrier plate 53; a first catch 54; a face cover plate 6; a face cover positioning plate 61; a second catch 62; a dust collection assembly 7; a dust cup 71; an air inlet 711; a dust-blocking sheet 712; fixing posts 713; a filter 8; a first seal 9; a second seal member 10; a bottom seal portion 101; a side seal portion 102; an upper support end surface 103; a lower support end surface 104; an air guide passage 105; an inner seal end face 106; an outer sealing end face 107; a lower bracket 11; an air inlet 111; a grid support 112; a mounting groove 113; a porous filter sponge 114; positioning plate 115; a card slot 116; a handle portion 12; a bottom bracket 122.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Referring to fig. 1 to 4, a desktop vacuum cleaner includes a housing 2 and a vacuum cleaner main body 1 disposed in the housing 2, where the vacuum cleaner main body 1 includes a vacuum cleaner motor 31, a dust collecting assembly 7, and an auxiliary device electrically connected to the vacuum cleaner motor 31, the vacuum cleaner motor 31 has an air suction opening and an air exhaust opening, and the air suction opening is connected to the dust collecting assembly 7; the dust collector motor 31 is vertically arranged in the shell 2, and the air suction opening is positioned below the air exhaust opening; the central axis of the cleaner motor 31 is not coincident with the central axis of the housing 2 so that the cleaner motor 31 is eccentrically disposed in the housing 2.

Compared with the arrangement of the dust collector motor 31 which is arranged towards the middle in the prior art, the invention has the following advantages that: firstly, the dust collector motor 31 is vertically arranged and eccentrically arranged in the shell 2, so that a larger space is formed on one side of the dust collector motor 31 away from the inner wall of the shell 2, the space provides an installation space for arranging the auxiliary device, the auxiliary device and the dust collector motor 31 are conveniently connected and installed, and the dust collector is compact in integral structure and small in size; secondly, the dust collector motor 31 is vertically arranged in the shell 2, and the air suction opening is positioned below the air exhaust opening, so that the dust collection component 7 is connected and arranged below the air suction opening, the dust collection component 7, the air suction opening and the air exhaust opening form a dust collection air duct which is almost not bent from bottom to top, air is smoothly sucked to air outlet, the suction force is larger, and the dust collection capacity of the dust collector is improved; thirdly, the limited space in the housing 2 can be fully utilized, the dust collector motor 31 with a larger size is placed in a standing mode, and the contact area between the dust collector motor 31 and the housing 2 or a firmware part for fixing the dust collector motor 31 is relatively small, so that the heat dissipation performance is good, and the stable and reliable work is protected.

The vacuum cleaner motor 31 is a product of any one of the models purchased in the market, and the vacuum cleaner motor 31 actually comprises a motor and a fan driven by the motor, and the fan is driven by the motor to rotate at a high speed. The air suction opening is communicated with the dust collection assembly 7 so that dust and other sundries are sucked into the dust collection assembly 7 along with air flow, the dust and other sundries are left in the dust collection assembly 7, and the air flow is discharged from the air outlet of the dust collector motor 31.

Specifically, the auxiliary device includes a charging circuit board 32, a storage battery 33 and a control circuit board 34, the charging circuit board 32, the storage battery 33 and the control circuit board 34 are distributed around the vacuum cleaner motor 31, the charging circuit board 32 is used for arranging a charging circuit, the storage battery 33 is used for providing electric energy, and the control circuit board 34 is used for arranging a control circuit.

Specifically, the housing 2 is provided with a first compartment 21, a second compartment 22, a third compartment 23 and a fourth compartment 24 which are independent of each other, the charging circuit board 32 is disposed in the first compartment 21, the storage battery 33 is disposed in the second compartment 22, the control circuit board 34 is disposed in the third compartment 23, and the cleaner motor 31 is disposed in the fourth compartment 24. With the above-described configuration, the charging circuit board 32, the storage battery 33, the control circuit board 34, and the cleaner motor 31 are respectively located in the first compartment 21, the second compartment 22, the third compartment 23, and the fourth compartment 24, so that the units are independent of each other and interference therebetween is avoided.

Further, a fixing plate 41 is disposed in the third compartment 23, and the control circuit board 34 is fixed in the inner housing 2 through the fixing plate 41. Specifically, the fixing plate 41 is provided with a mounting post 42, and the control circuit board can be locked on the mounting post 42 by using a screw. Therefore, the control circuit board can be very conveniently installed and fixed.

Further, referring to fig. 5, the cleaner main body 1 further includes an upper cover 5, the upper cover 5 is disposed on the housing 2, a motor bracket 51, a fixing bracket 52 and an upper blocking plate 53 are disposed on a lower surface of the upper cover 5, the cleaner motor 31 is fixed on the motor bracket 51, the charging circuit board 32 is fixed on the fixing bracket 52, the upper blocking plate 53 is inserted into the housing 2, the first compartment 21, the second compartment 22 and the third compartment 23 are disposed on one side of the upper blocking plate 53, the fourth compartment 24 is disposed on the other side of the upper blocking plate 53, and a first buckle 54 for connecting with the housing 2 is further disposed on the upper cover 5. Under the above-mentioned structural configuration, the upper cover 5 plays a role of closing the housing 2 on the one hand, and on the other hand, the motor bracket 51 can realize the fixed of the dust collector motor 31, the fixed bolster 52 can realize the fixed of the charging circuit board 32, the upper baffle plate 53 divides the four compartments into two parts, one part is used for arranging the dust collector motor 31, the other part is used for arranging other units, under such structural configuration, because the dust collector motor is the main source of heat and vibration, separate the dust collector motor 31 from other functional units, can reduce the interference of the dust collector motor to other parts effectively practically, produce good protective effect to other parts.

Specifically, refer to fig. 6, the desktop dust collector with separate see structure of this embodiment still includes face apron 6, face apron 6 lid is located on the shell 2, face apron 6 suits with the shape of shell 2, and its both sides are provided with the face lid locating plate 61 of being connected with shell 2, are provided with second buckle 62 in the bottom of face apron 6, are provided with on the shell 2 and detain the position muscle, and second buckle 62 mutually supports with detaining the position muscle, realizes the fixed of face apron 6.

Further combine fig. 2, collection dirt subassembly 7 includes dust absorption passageway, dirt cup 71 and establishes filter 8 in the dirt cup 71, dust absorption passageway's lower end is equipped with dust absorption mouth 711, dust absorption passageway's lower end with dirt cup 71 is linked together, just dirt cup 71 with dust collector motor 31's inlet scoop is linked together, so that filter 8 is spacing in dust absorption mouth 711 with between dust collector motor 31's the inlet scoop, thereby let follow debris such as dust absorption mouth 711 along with air suction's wind and dust are stayed after filter 8 in the dirt cup 71 and can not get into in dust collector motor 31's the inlet scoop.

The dust suction channel and the dust cup 71 can be of an integral structure, that is, the dust suction port 711 is directly arranged on the dust cup 71, for example, the dust suction port 711 is arranged at the bottom of the dust cup 71; of course, the dust suction channel may be a separate structure from the dust cup 71, for example, a separate dust suction channel may be provided below the dust cup 71.

In addition, a lower bracket 11 is installed in the housing 2, and the dust cup 71 and the dust collector motor 31 are respectively fixed on the lower bracket 11 so as to communicate the suction openings of the dust cup 71 and the dust collector motor 31. For example, the lower bracket 11 is provided with an air inlet channel 111 penetrating through the lower bracket from top to bottom; the dust cup 71 is connected below the lower bracket 11, and the dust cup 71 is communicated with the lower tail end of the air inlet channel 111; the dust collector motor 31 is located above the lower bracket 11, and an air suction opening of the dust collector motor 31 is communicated with the upper tail end of the air inlet channel 111.

In addition, the dust collecting assembly 7 further comprises a first sealing element 9 or/and a second sealing element 10, the first sealing element 9 is arranged between the lower bracket 11 and the filter 8 to seal a combination gap between the lower bracket 11 and the filter 8, and the second sealing element 10 is arranged between the dust collector motor 31 and the lower bracket 11 to seal a combination gap between an air suction opening of the dust collector motor 31 and the upper end of the air inlet channel 111 of the lower bracket 11.

Under the above structure, when the dust collector motor of the dust collector motor 31 is started, suction force is generated, air carrying impurities enters through the dust cup 71, is filtered by the filter 8, the impurities are retained in the dust cup 71, the filtered air enters into the air suction port of the dust collector motor 31 through the air inlet channel 111 of the lower bracket 11 and is then discharged, the channel through which the air flows is basically a straight-flow channel from bottom to top, no complex turning exists, air inlet and air outlet are smoother by reducing the obstacle of air passing, and the suction performance of the dust collector is improved; meanwhile, the dust collector is further provided with a first sealing element 9 and a second sealing element 10, the first sealing element 9 seals a combination gap between the lower support 11 and the filter 8, the second sealing element 10 seals a combination gap between the dust collector motor 31 and the lower support 11, and the combination gap is a gap at the joint of the two objects, so that air leakage of a flow channel of air is prevented.

Be equipped with the air exit on the dust catcher motor 31, be equipped with air outlet 25 on the shell 2, shell 2 is inside to be equipped with and to separate disconnected piece 26, be used for with the air exit with air outlet 25 keeps apart in an independent space. In the working process, the air sucked into the dust collector motor 317 flows into the independent space through the air outlet and then flows out of the shell 2 from the air outlet 25, the air outlet and the air outlet 25 are positioned in the independent space through the arrangement of the partition 26, namely, the air can only flow to the air outlet 25 through the air outlet, and under the structural arrangement, the air cannot flow back to the position below the dust collector motor 31 after flowing out through the air outlet and can only flow out from the air outlet 25, so that the exhaust efficiency is further improved.

Specifically, the partition 26 may be configured to be block-shaped, strip-shaped or plate-shaped, as long as the partition function can be achieved, and in this embodiment, the partition 26 is configured to be a plate-shaped structure that is transversely disposed, so as to achieve a good isolation function.

More specifically, the housing 2 is composed of a plurality of sections of cylinders, the upper part is large, the lower part is small, and the housing 2 is also internally provided with an air deflector which is approximately L-shaped, so that the motor of the dust collector is separated from other elements, and the air flow is collected to facilitate the air of the motor 31 of the dust collector to be discharged into the atmosphere.

Regarding the arrangement of the first sealing member 9 and the second sealing member 10, the sealing function is mainly performed, in order to achieve a good sealing function, the first sealing member 9 needs to be tightly attached to the joint end surface of the lower bracket 11 and the filter 8, and the second sealing member 10 needs to be tightly attached to the joint end surface of the lower bracket 11 and the dust collector motor 31, so as to achieve a good sealing effect. In terms of material selection, the first sealing element 9 is preferably a sealing cotton or a sealing rubber mat, in this embodiment a sealing cotton, and the second sealing element is also preferably a sealing cotton or a sealing rubber mat, in this embodiment a sealing rubber mat.

Specifically, referring to fig. 8, the second seal 10 is composed of a bottom seal portion 101 and a side seal portion 102. Wherein bottom seal portion 101 has upper support terminal surface 103 and lower support terminal surface 104, when installing dust catcher motor 31, because dust catcher motor 31 and the effect of lower carriage 11 can make upper support surface and lower support surface take place the displacement, thereby make second sealing member 10 compress tightly, thereby realize sealedly, it is an arc curved surface to have an air guide channel 105 in bottom seal portion 101 in addition, be convenient for with the leading-in dust catcher motor 31 of the air current in lower carriage 11 air inlet channel 111, side seal portion 102 has interior sealing terminal surface 106 and external sealing terminal surface 107, thereby realize dust catcher motor 31's sealed through the side of parcel dust catcher motor housing 2.

Further, referring to fig. 7, a dust blocking surface is formed at the dust suction port 711, and a dust blocking sheet 712 is arranged on the dust suction port 711; specifically, a fixing column 713 is arranged at the dust suction port 711, and the dust blocking sheet 712 is fixed on the fixing column 713. With the above arrangement, when the vacuum cleaner is in an operating state, air enters from the dust suction port 711 under the action of the vacuum cleaner motor 31, the dust blocking sheet 712 is turned up due to the action of the airflow, and when the vacuum cleaner is in a non-operating state, the dust blocking sheet 712 automatically falls down due to the absence of the airflow to cover the dust suction port 711, thereby preventing dust from leaking from the dust suction port 711. Even, in order to improve the dust collection and cleaning capability, the dust collection opening 711 is further provided with a brush, and the brush lightly brushes the tabletop in the using process, so that dust is prevented from adhering to the tabletop, and the dust can enter the dust cup 71 from the dust collection opening 711 along with airflow, and the dust collection and cleaning effect is improved.

Referring to fig. 9, the filter 8 includes a handle portion 12 and a filter portion including a bottom bracket 122 and a filter net wrapped on the bottom bracket 122, the bottom bracket 122 is connected to a lower portion of the handle portion 12, and the first sealing member 9 is disposed between the handle portion 12 and the lower bracket 11. The handle portion 12 is used for connection and fixation, and the bottom bracket 122 is used for supporting a filter screen, which is used for realizing main filtering action.

Referring to fig. 10 and 11, a grid support 112 is arranged on the air inlet channel 111, an installation groove 113 is arranged below the grid support 112, and a porous filtering sponge 114 is arranged in the installation groove 113. Specifically, the lower bracket 11 is provided with an air inlet channel 111, a positioning plate 115, a clamping groove 116 and a filter cotton mounting groove 113. The air intake channel 111 is an eccentric circle, the end surface of the tail part of the air intake channel is the upper sealing end surface of the lower bracket 11, when the motor 31 of the dust collector is arranged corresponding to the position of the second sealing element 10, the upper sealing end surface can contact and press the second sealing element 10, so that the part is sealed, the air inlet of the dust collector can only enter from the air inlet channel 111, the air intake channel 111 is provided with a grid support 112, one side of the bottom of which is provided with an installation groove 113 for placing a porous filtering sponge 114 therein, the porous filtering sponge 114 is used for isolating dust, when the user forgets to install the filter 8, dust is prevented from entering the cleaner motor, thereby burning the cleaner motor, a positioning plate 115 is distributed on the other side of the air inlet channel 111, the side end surface of the positioning plate 115 is a positioning end surface for supporting the second sealing element 10 and the dust collector motor 31, a locking groove 116 is formed in the bottom of the lower bracket 11, and the first sealing member 9 is disposed in the locking groove 116.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

The foregoing description of the embodiments is provided to facilitate an understanding and use of the invention and it will be apparent to those skilled in the art that various modifications to the embodiments and the generic principles defined herein may be applied to other embodiments without the use of inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims (10)

1. A desktop dust collector comprises a shell and a dust collector main machine arranged in the shell, wherein the dust collector main machine comprises a dust collector motor, a dust collecting assembly and an auxiliary device electrically connected with the dust collector motor; the vacuum cleaner is characterized in that the dust collector motor is vertically arranged in the shell, and the air suction opening is positioned below the air exhaust opening; the central axis of the vacuum cleaner motor is not coincident with the central axis of the housing so that the vacuum cleaner motor is eccentrically disposed within the housing.

2. A tabletop cleaner as claimed in claim 1, wherein the auxiliary device comprises a charging circuit board, a storage battery and a control circuit board, the charging circuit board, the storage battery and the control circuit board being distributed around the motor of the cleaner.

3. A tabletop cleaner as claimed in claim 2, wherein the housing has a first compartment, a second compartment, a third compartment and a fourth compartment, the first compartment, the second compartment, the third compartment and the fourth compartment being independent of each other, the charging circuit board is disposed in the first compartment, the battery is disposed in the second compartment, the control circuit board is disposed in the third compartment, and the cleaner motor is disposed in the fourth compartment.

4. A tabletop cleaner as claimed in claim 3, wherein a fixing plate is provided in the third compartment, and the control circuit board is fixed in the housing by the fixing plate.

5. The tabletop cleaner of claim 1, wherein the cleaner body further comprises an upper cover, the upper cover is disposed on the housing, a motor bracket, a fixing support and an upper blocking plate are disposed on a lower surface of the upper cover, the cleaner motor is fixed on the motor bracket, the charging circuit board is fixed on the fixing support, the upper blocking plate is inserted into the housing, the first compartment, the second compartment and the third compartment are disposed on one side of the upper blocking plate, and the fourth compartment is disposed on the other side of the upper blocking plate.

6. The tabletop dust collector of any one of claims 1 to 5, wherein the dust collection assembly comprises a dust collection channel, a dust cup and a filter arranged in the dust cup, the lower end of the dust collection channel is provided with a dust collection opening, the lower end of the dust collection channel is communicated with the dust cup, and the dust cup is communicated with the air suction opening of the dust collector motor so that the filter is limited between the dust collection opening and the air suction opening of the dust collector motor.

7. The tabletop dust collector of claim 6, wherein the housing is provided with a lower bracket, the lower bracket is provided with an air inlet channel, and the dust cup and the dust collector motor are respectively and fixedly connected with the lower bracket so that the air inlet channel is communicated between the dust cup and an air suction opening of the dust collector motor.

8. A table top cleaner according to claim 7, wherein a first seal is provided between the lower bracket and the filter to close the coupling gap between the lower bracket and the filter, or/and a second seal is provided between the cleaner motor and the lower bracket to close the coupling gap between the cleaner motor and the lower bracket.

9. The tabletop dust collector of claim 7, wherein the air inlet channel is provided with a grid support, a mounting groove is arranged below the grid support, and a porous filtering sponge is arranged in the mounting groove.

10. The tabletop vacuum cleaner of claim 6, wherein the vacuum cleaner motor is provided with an air outlet, the housing is provided with an air outlet, and the housing is provided with a partition member therein to separate the air outlet and the air outlet in an independent space.

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