CN217478138U - Dust-gas separation box and garbage can - Google Patents

Abstract

The embodiment of the utility model relates to an intelligence furniture, in particular to dirt gas separation box and garbage bin, this dirt gas separation box sets up in the air inlet side of the staving of garbage bin, and dirt gas separation box has around predetermineeing the axis direction: an inner side, an outer side opposite the inner side; the inner side of the garbage can body surrounds the direction of a preset axis to form a garbage throwing opening communicated with the air inlet side of the can body; this dirt gas separation box still has: a dust outlet channel arranged between the inner side and the outer side; the dust outlet channel is provided with an air inlet communicated with the dust collection channel of the garbage can and an air outlet arranged on the inner side, and the air outlet direction of the air outlet points to the air inlet side of the can body. Compared with the prior art, the air outlet direction of the air outlet of the dust outlet channel is towards the air inlet side of the barrel body, so that the pressure difference between the air inlet side and the inside of the barrel body can be avoided, and the laying efficiency of the garbage bag in the barrel body can be improved.

Description

Dust-gas separation box and garbage can

Technical Field

The embodiment of the utility model relates to an intelligence furniture, in particular to dirt gas separation box and garbage bin.

Background

The intelligent garbage can is used as intelligent furniture equipment capable of automatically opening and closing the garbage turnover cover and automatically sealing and packaging, thoroughly solves the hidden danger of sanitary pollution of a traditional garbage can to a user, can effectively prevent various infectious diseases from being propagated through garbage and prevent the odor of the garbage in the can from overflowing, and is more and more widely applied to families.

Because the position of placing the garbage bin in the house is often found dirty than other places because the user often can go out when puting in rubbish that some rubbish can't be accurate drop into the garbage bin and lead to, especially some rubbish that the quality is lighter such as dust, hair extremely easily can lead to partly dropping outside the garbage bin. Therefore, in order to solve the occurrence of the phenomenon, the dust collection function of some garbage cans is provided at present, namely, the dust collection port is arranged at the bottom of the garbage can, when a user puts garbage in the garbage can, the dust collection port can collect dust on the ground at the same time, so that the garbage falling out of the garbage can be sucked into the can body again, and the position where the garbage can is placed can be kept clean all the time.

However, the inventor found that, because the dust-air separating box is required to be arranged on the air inlet side of the barrel body of the garbage can, when dust is sucked, dust, hair and other garbage enter the dust suction channel through the dust suction opening of the garbage can, enter the dust outlet channel of the dust-air separating box through the dust suction channel, and are finally discharged from the air outlet of the dust outlet channel, because the air outlet is positioned above the air inlet side of the barrel body, and the air outlet direction of the air outlet is parallel to the air inlet side, during the process of discharging dust, hair and other garbage from the dust outlet channel, the garbage is not directly discharged to the inside of the barrel body, but is firstly sprayed to the inside wall of the dust-air separating box, therefore, part of the garbage is embedded in the seam between the dust-air separating box and the barrel body under the action of the air flow of the air outlet for a long time, and the inside wall of the dust-air separating box and the seam between the dust-air separating box and the barrel body are polluted, can cause the peculiar smell in the barrel body over time.

In addition, because the dust absorption work of garbage bin usually goes on simultaneously with laying of disposal bag, promptly the garbage bin is when laying the disposal bag in to the staving through evacuating device, the dust absorption mouth of garbage bin also can begin dust absorption work simultaneously, and, because the direction of giving vent to anger of the gas outlet of dirt gas separation box is the air inlet side that is on a parallel with the staving, thereby lead to the air inlet side can produce certain pressure differential with the staving is inside, not only can cause certain influence to the laying efficiency of disposal bag, and often can lead to the disposal bag when laying, can't smooth the inner wall of attaching to the staving.

SUMMERY OF THE UTILITY MODEL

The utility model discloses embodiment's aim at designs a dirt gas separation box and garbage bin, can avoid dirt gas separation box at the in-process of discharge rubbish, causes the pollution to the inner wall of dirt gas separation box and the seam crossing of dirt gas separation box and staving, can also improve laying efficiency of disposal bag simultaneously to enable the disposal bag when laying, level and smooth attached on the inner wall of staving.

In order to solve the technical problem, the utility model provides an embodiment provides a dirt gas separation box sets up in the air inlet side of the staving of garbage bin, dirt gas separation box has around predetermineeing the axis direction: an inner side, an outer side opposite the inner side; the inner side of the garbage can body surrounds a preset axial direction to form a garbage throwing opening communicated with the air inlet side of the garbage can body;

the dust-gas separation box further has: a dust outlet channel disposed between the inner side and the outer side; the dust outlet channel is provided with an air inlet communicated with the dust suction channel of the garbage can and an air outlet arranged on the inner side, and the air outlet direction of the air outlet points to the air inlet side of the can body.

Additionally, the utility model discloses an embodiment still provides a garbage bin, include:

a barrel body having, along a preset axis direction: an air inlet side and a barrel bottom opposite to the air inlet side;

the base is arranged at the bottom of the barrel body; the base is provided with a dust suction port;

a dust collection pipeline; the dust absorption pipeline is provided with an air inlet end connected with the dust absorption port and an air outlet end formed on the air inlet side of the barrel body;

the dust-air separation box is detachably arranged on the air inlet side of the barrel body; the air inlet of the dust outlet channel is communicated with the air outlet end of the dust suction pipeline;

and the vacuumizing device acts on the dust absorption pipeline and the air inlet side of the barrel body, so that the dust absorption pipeline passes through the dust absorption port to generate first air flow entering the barrel body, and simultaneously, the air inlet side generates second air flow entering the barrel body.

The utility model discloses an embodiment is for prior art, because dirt gas separation box has around predetermineeing the axis direction: the inside, with the inboard outside relatively, simultaneously, still have out the dirt passageway between inboard and the outside, in addition, the air inlet that goes out the dirt passageway communicates with the dust absorption pipeline of garbage bin, and the gas outlet of going out the dirt passageway sets up in the inboard of dirt gas separation box to, the air outlet direction of giving vent to anger of this gas outlet is to the air inlet side of staving. Therefore, when the air outlet discharges dust, hair and other garbage, the garbage can be directly discharged into the barrel body and cannot splash onto the inner wall of the dust-air separation box, so that the inner wall of the dust-air separation box and the joint between the dust-air separation box and the barrel body are prevented from being polluted, and meanwhile, because the air outlet direction of the air outlet of the dust outlet channel is towards the air inlet side of the barrel body, the pressure difference between the air inlet side and the inside of the barrel body can be avoided, so that the laying efficiency of garbage bags in the barrel body can be improved.

In addition, the dust-gas separation box includes: the upper cover and the lower cover are mutually buckled along the preset axial direction;

the upper cover has around the preset axis direction: a first inner wall, a first outer wall opposite the first inner wall, a roof connecting the first inner wall and the first outer wall;

the lower cover has around the preset axis direction: a second inner wall, a second outer wall opposite the second inner wall, a floor connecting the second inner wall and the second outer wall;

wherein one side of the first inner wall far away from the first outer wall and one side of the second inner wall far away from the second outer wall jointly form the inner side; one side of the first outer wall, which is far away from the first inner wall, and one side of the second outer wall, which is far away from the second inner wall, jointly form the outer side;

the air outlet is arranged on the first inner wall, and the air inlet is arranged on the bottom plate.

In addition, the dust outlet passage includes:

the vertical pipeline is connected with the air inlet and vertically extends from the air inlet to the direction of the top plate;

the inclined pipeline is connected with the air outlet and obliquely extends from the air outlet to the direction of the first outer wall;

the inclined pipeline is communicated with the vertical pipeline, and an included angle formed by the axis direction of the inclined pipeline and the preset axis direction is an obtuse angle.

In addition, one side of the inclined pipeline relative to the top plate is an inclined surface, and the inclined surface extends from the first inner wall to the first outer wall in an inclined mode gradually towards the direction far away from the bottom plate.

In addition, the inner diameter of the inclined pipeline gradually increases from the air outlet to the direction far away from the air outlet.

In addition, the dust-gas separation box further includes:

the air deflector is arranged on the first inner wall of the upper cover and is positioned above the air outlet;

the air deflector is formed by obliquely extending towards the direction of the bottom plate from one side connected with the first inner wall to the other side.

In addition, the dust-gas separation box further has:

a return air passage disposed between the first inner wall and the first outer wall; the air return passage has: the exhaust port is arranged on the bottom plate, and the air return port is arranged on the first inner wall;

the exhaust port is communicated with an exhaust pipeline of the garbage can, and the air return port is communicated with the air inlet side of the can body.

In addition, the air inlet direction of the air return port is perpendicular to the air outlet direction of the air outlet.

In addition, the axis direction of the return air port is directed to the top plate.

In addition, the dust-gas separation box further includes:

the air inlet cover covers the air return port of the air return channel;

wherein, the air inlet cover is for the dense filtration pore of one side of return air mouth.

Drawings

One or more embodiments are illustrated by way of example in the accompanying drawings, which correspond to the figures in which like reference numerals refer to similar elements and which are not to scale unless otherwise specified.

Fig. 1 is a schematic axial view of a dust-gas separation box according to a first embodiment of the present invention;

fig. 2 is an exploded schematic view of a dust and gas separation box according to a first embodiment of the present invention;

FIG. 3 is a schematic view of a dust removal channel in a dust-gas separation box according to a first embodiment of the present invention;

FIG. 4 is an exploded view of the dust and air separation box and the barrel according to the first embodiment of the present invention;

FIG. 5 is a schematic view of the assembly of the dust-air separating box and the barrel according to the first embodiment of the present invention;

FIG. 6 is a schematic view of a dust removal channel in a dust-gas separation box according to a second embodiment of the present invention;

fig. 7 is a schematic structural view of a trash can according to a third embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, it will be appreciated by those of ordinary skill in the art that in various embodiments of the invention, numerous technical details are set forth in order to provide a better understanding of the present application. However, the technical solution claimed in the present application can be implemented without these technical details and various changes and modifications based on the following embodiments.

Example one

The first embodiment of the utility model relates to a dirt gas separation box, as shown in fig. 4, this dirt gas separation box 1 sets up in the air inlet side 21 of the staving 2 of garbage bin to, combine fig. 1 to show, this dirt gas separation box 1 has around presetting the axis direction: an inner side 11 and an outer side 12 opposite the inner side 11. Wherein, the inner side 11 surrounds the preset axial direction to form a garbage throwing opening 13 communicated with the air inlet side 21 of the barrel body 2.

As shown in fig. 1 and 2, the dust-gas separation box 1 of the present embodiment further includes: a dust channel 14 arranged between the inner side 11 and the outer side 12. The dust outlet channel 14 has an air inlet 141 communicated with the dust suction channel 3 of the trash can, and an air outlet 142 disposed at the inner side 12, and an air outlet direction of the air outlet 142 is directed to the air inlet side 21 of the can body 2.

As can be seen from the above, the dust-air separation box 1 has, around the predetermined axis direction: the dust-collecting device comprises an inner side 11, an outer side 12 opposite to the inner side 11, and a dust outlet channel 14 between the inner side 11 and the outer side 12, wherein an air inlet 141 of the dust outlet channel 14 is communicated with a dust suction pipeline 3 of the garbage bin, an air outlet 142 of the dust outlet channel 14 is arranged on the inner side 11 of the dust-air separation box 1, and an air outlet direction of the air outlet 142 is directed to an air inlet side 21 of the bin body 2. Therefore, when the air outlet 142 discharges garbage such as dust and hair, the garbage can be directly discharged into the barrel body 2 without splashing to the inner wall of the dust-air separation box 1, thereby preventing the inner wall of the dust-air separation box 1 and the joint between the dust-air separation box 1 and the barrel body 2 from being polluted, and meanwhile, because the air outlet direction of the air outlet 142 of the dust outlet channel 14 is directed to the air inlet side 21 of the barrel body 2, the pressure difference between the air inlet side 21 and the inside of the barrel body 2 can be avoided, thereby improving the laying efficiency of garbage bags in the barrel body 2.

Specifically, in the present embodiment, as shown in fig. 2, the dust-gas separation box 1 includes: and an upper cap 15 and a lower cap 16 which are fastened to each other in a predetermined axial direction. As shown in fig. 2, the upper cover 15 has, around a predetermined axis direction: a first inner wall 151, a first outer wall 152 opposite to the first inner wall 151, and a top plate 153 connecting the first inner wall 151 and the first outer wall 152. Meanwhile, as shown in fig. 2, the lower cover 16 has, around a preset axis direction: a second inner wall 161, a second outer wall 162 opposite to the second inner wall 161, and a bottom plate 163 connecting the second inner wall 161 and the second outer wall 162.

In the present embodiment, as shown in fig. 1 and 2, the side of the first inner wall 151 of the upper cover 15 away from the first outer wall 152 and the side of the second inner wall 161 of the lower cover 16 away from the second outer wall 162 together form the inner side 11 of the dust-gas separation box 1; meanwhile, as shown in fig. 1 and 2, a side of the first outer wall 152 of the upper cover 15 away from the first inner wall 151 and a side of the second outer wall 162 of the lower cover 16 away from the second inner wall 161 together constitute the outer side 12 of the dust-gas separating box 1. In order to discharge dust, hair, and other debris into the tub 2 through the dust outlet duct 14, the air outlet 142 may be provided on the first inner wall 151 of the upper cover 15 and the air inlet 141 may be provided on the bottom plate 163 of the lower cover 16 in the present embodiment.

Further, in order to satisfy the arrangement of the air inlet 141 and the air outlet 142, as shown in fig. 2 and 3, the dust outlet passage 14 includes: a vertical pipe 143 and an inclined pipe 144. Wherein, the vertical pipe 143 is connected to the air inlet 141 and extends vertically from the air inlet 141 to the direction of the top plate 153; meanwhile, the inclined duct 144 is connected to the air outlet 142 and extends obliquely from the air outlet 142 toward the first outer wall 152. The inclined pipeline 144 is further communicated with the vertical pipeline 143, and an included angle formed between the axial direction of the inclined pipeline 144 and the predetermined axial direction is an obtuse angle. It can be easily seen that the vertical pipe 143 is formed by extending the air inlet 141 toward the top plate 153 of the upper cover 15, so that the dust channel 14 can be connected to the dust suction pipe 3 through the vertical pipe 143, and the inclined pipe 144 forms an obtuse angle with the predetermined axial direction, so that the dust channel 14 can be discharged toward the air inlet side 21 of the tub 2 when the garbage is discharged through the air outlet 142.

In addition, it should be noted that, in order to make the included angle formed between the axial direction of the dust outlet channel 14 and the predetermined axial direction be an obtuse angle, in the present embodiment, as shown in fig. 3, one side of the inclined pipeline 144 opposite to the top plate 153 is an inclined plane 1441, and the inclined plane 1441 extends from the first inner wall 151 to the first outer wall 152 in a direction gradually away from the bottom plate 163, so that when the gas is ejected through the gas outlet 142 of the inclined pipeline 144, the gas can flow toward the air inlet side 21 of the barrel body 2 under the guiding action of the inclined plane 1441. As shown in fig. 2 and 3, the inclined surface 1441 may gradually increase the inner diameter of the inclined pipeline 144 from the gas outlet 142 to a direction away from the gas outlet 142, that is, the inner diameter of the gas outlet 142 is the smallest compared with the inner diameters of other parts of the inclined pipeline 144, so that the gas may be continuously compressed in the process of passing through the inclined pipeline 144, and the force of the gas sprayed from the gas outlet 142 of the inclined pipeline 144 may be increased, thereby further improving the laying efficiency of the garbage bag.

In addition, in order to avoid that the lid 4 cannot well seal the garbage inlet 13 of the dust-gas separation box 1 due to excessive air pressure in the barrel body 2, as shown in fig. 2 and 5, the dust-gas separation box 1 of the present embodiment further includes: a return air passage 17, and the return air passage 17 is provided between the first inner wall 151 and the first outer wall 152, and at the same time, the return air passage 17 has: an exhaust port 171 disposed on the bottom plate 163, and a return air port 172 disposed on the first inner wall 152. At the same time, the exhaust port 171 is also in communication with the exhaust duct 5 of the trash can, while the return port 172 is in communication with the intake side 21 of the can body 2. In practical application, when going out dirt passageway 14 and exhausting to staving 2 in, along with the continuous rising of staving 2 internal gas pressure, unnecessary gas can get into return air passageway 17 through return air port 172 to get into the exhaust pipe 5 of garbage bin through gas vent 171, thereby arrange outside staving 2, make bung 4 can not too big because of staving 2 internal gas pressure, and can't cover tight rubbish input port 13, effectively prevented that the peculiar smell in the staving 2 from the phenomenon that the bung 4 appears overflowing.

Also, as a preferable mode, in the present embodiment, as shown in fig. 2, the air inlet direction of the return air port 172 of the return air channel 17 is perpendicular to the air outlet direction of the air outlet 142 of the dust outlet channel 14. So that the air inlet direction and the air outlet direction are staggered with respect to each other, when the dust outlet channel 14 discharges dust, hair, etc. into the tub 2 through the air outlet 142, it is effectively prevented that the dust directly enters the air return channel 17 through the air return opening 172. Meanwhile, in some embodiments, as shown in fig. 2, the axis direction of the return air opening 172 of the return air channel 17 is directed to the top plate 153 of the upper cover 15, that is, the return air opening 172 of the return air channel 17 is raised in the direction of the top plate 153, so that dust, hair, and other debris discharged from the air outlet 142 can be further prevented from entering the return air channel 17, and the return air channel 17 is prevented from being blocked.

In order to further prevent the dust ejected from the air outlet 142 of the dust outlet duct 14 from entering the return air duct 17 through the return air opening 172, the dust-air separation box 1 of the present embodiment further includes, as shown in fig. 2: the air inlet cover 18 covers the air return opening 172 of the air return channel 17, wherein a side of the air inlet cover 18 opposite to the air return opening 172 is densely provided with filter holes (not shown), which not only allow the air return channel 17 to return air normally, but also effectively block the garbage sprayed from the dust outlet channel 14 from escaping into the dust outlet channel 14.

Example two

The second embodiment of the present invention relates to a dust-gas separation box, and the second embodiment is further improved on the basis of the first embodiment, and the main improvement thereof lies in that, as shown in fig. 6, the dust-gas separation box 1 of the present embodiment further includes: and the air deflector 19 is arranged on the first inner wall 151 of the upper cover 15, the air deflector 19 is positioned above the air outlet 142, and the air deflector 19 is formed by extending obliquely from one side connected with the first inner wall 151 to the other side in the direction of the bottom plate 163 of the lower cover 16.

It can be seen from the above that, the air deflector 19 can guide the air flow ejected from the air outlet 142 of the dust outlet channel 14 toward the bottom plate 163, so that the garbage ejected from the air outlet 142 can directly impact on the air deflector 19, the garbage ejected from the air outlet 142 can be further prevented from polluting the inner wall of the dust-air separation box 1, and meanwhile, the laying efficiency of the garbage bag in the barrel 2 can be further improved.

EXAMPLE III

The utility model discloses a third embodiment relates to a garbage bin, as shown in fig. 7, include: the dust and air separating box comprises a barrel body 2, a barrel cover 4, a base 7, a dust suction pipeline 3, an exhaust pipeline 5, a vacuum pumping device 6 and the dust and air separating box 1 according to the first embodiment or the second embodiment.

As shown in fig. 7, the barrel 2 has: an air inlet side 21 and a barrel bottom 22 opposite to the air inlet side 21. The base 7 is provided at the bottom 22 of the tub 2, and the base 7 is provided with a dust suction port 71. In addition, as shown in fig. 7, the dust suction pipe 3 has an air inlet end 31 connected to the dust suction port 71, and an air outlet end 32 formed on the air inlet side 21 of the tub 2.

Further, in the present embodiment, as shown in fig. 7, the vacuum extractor 6 acts on the suction duct 3 and the suction side 21 of the tub 2, so that the suction duct 3 passes through the suction opening 71 to generate a first air flow into the tub 2, and at the same time, the suction side 21 generates a second air flow into the tub 2.

Finally, in the present embodiment, as shown in fig. 7, the dust-air separating box 1 is detachably provided on the air intake side 21 of the tub 2. The air inlet 141 of the dust outlet passage 14 communicates with the air outlet end 32 of the dust suction pipe 3.

As can be seen from the above, the dust-air separating box 1 has, around the predetermined axial direction: the dust-collecting device comprises an inner side 11, an outer side 12 opposite to the inner side 11, and a dust outlet channel 14 between the inner side 11 and the outer side 12, wherein an air inlet 141 of the dust outlet channel 14 is communicated with a dust suction pipeline 3 of the trash can, an air outlet 142 of the dust outlet channel 14 is arranged on the inner side 11 of the dust-air separation box 1, and an air outlet direction of the air outlet 142 points to an air inlet side 21 of the can body 2. Therefore, when the air outlet 142 discharges dust, hair and other garbage, the garbage can be directly discharged into the barrel body 2 without splashing on the inner wall of the dust-air separation box 1, thereby avoiding pollution to the inner wall of the dust-air separation box 1 and the joint of the dust-air separation box 1 and the barrel body 2, and meanwhile, because the air outlet direction of the air outlet 142 of the dust outlet channel 14 is towards the air inlet side 21 of the barrel body 2, pressure difference between the air inlet side 21 and the inside of the barrel body 2 can be avoided, thereby improving the laying efficiency of garbage bags in the barrel body 2.

It will be understood by those skilled in the art that the foregoing embodiments are specific to the implementation of the present invention and that various changes in form and details may be made therein without departing from the spirit and scope of the invention in its practical application.

Claims (11)

1. The utility model provides a dirt gas separation box sets up in the air inlet side of the staving of garbage bin, its characterized in that, dirt gas separation box has around predetermineeing the axis direction: an inner side, an outer side opposite the inner side; the inner side of the garbage can body surrounds a preset axial direction to form a garbage throwing opening communicated with the air inlet side of the garbage can body;

the dust-gas separation box further has: a dust outlet channel disposed between the inner side and the outer side; the dust outlet channel is provided with an air inlet communicated with the dust suction channel of the garbage can and an air outlet arranged on the inner side, and the air outlet direction of the air outlet points to the air inlet side of the can body.

2. The dust and gas separation box of claim 1, comprising: the upper cover and the lower cover are mutually buckled along the preset axial direction;

the upper cover has around the predetermined axis direction: a first inner wall, a first outer wall opposite the first inner wall, a top panel connecting the first inner wall and the first outer wall;

the lower cover has around the preset axis direction: a second inner wall, a second outer wall opposite the second inner wall, a floor connecting the second inner wall and the second outer wall;

wherein one side of the first inner wall far away from the first outer wall and one side of the second inner wall far away from the second outer wall jointly form the inner side; one side of the first outer wall, which is far away from the first inner wall, and one side of the second outer wall, which is far away from the second inner wall, jointly form the outer side;

the air outlet is arranged on the first inner wall, and the air inlet is arranged on the bottom plate.

3. The dust-gas separation box of claim 2, wherein the dust outlet channel comprises:

the vertical pipeline is connected with the air inlet and vertically extends from the air inlet to the direction of the top plate;

the inclined pipeline is connected with the air outlet and formed by extending obliquely from the air outlet to the direction of the first outer wall;

the inclined pipeline is communicated with the vertical pipeline, and an included angle formed by the axis direction of the inclined pipeline and the preset axis direction is an obtuse angle.

4. The dust and gas separation box of claim 3, wherein a side of the inclined duct opposite to the top plate is an inclined surface, and the inclined surface extends from the first inner wall to the first outer wall in a direction gradually away from the bottom plate.

5. The dust and gas separation box of claim 4, wherein the inner diameter of the inclined duct is gradually increased from the gas outlet toward a direction away from the gas outlet.

6. The dust and gas separation box according to any one of claims 2 to 5, further comprising:

the air deflector is arranged on the first inner wall of the upper cover and is positioned above the air outlet;

the air deflector is formed by obliquely extending towards the direction of the bottom plate from one side connected with the first inner wall to the other side.

7. The dust and gas separation box of claim 2, further comprising:

a return air passage disposed between the first inner wall and the first outer wall; the air return passage has: the exhaust port is arranged on the bottom plate, and the air return port is arranged on the first inner wall;

the exhaust port is communicated with an exhaust pipeline of the garbage can, and the air return port is communicated with the air inlet side of the can body.

8. The dust and gas separation box of claim 7, wherein an air inlet direction of the air return port is perpendicular to an air outlet direction of the air outlet port.

9. The dust and gas separation box of claim 7, wherein the axis direction of the return air port is directed toward the top plate.

10. The dust and gas separation box of any one of claims 7-9, further comprising:

the air inlet cover covers the air return port of the air return channel;

wherein, the air inlet cover is close to the filtration pore of laying aside of return air mouth.

11. A trash can, comprising:

a barrel body having, along a preset axis direction: an air inlet side and a barrel bottom opposite to the air inlet side;

the base is arranged at the barrel bottom of the barrel body; the base is provided with a dust suction port;

a dust collection pipeline; the dust absorption pipeline is provided with an air inlet end connected with the dust absorption port and an air outlet end formed on the air inlet side of the barrel body;

the dust-air separating box of any one of claims 1 to 10, detachably provided to the air inlet side of the tub; the air inlet of the dust outlet channel is communicated with the air outlet end of the dust suction pipeline;

and the vacuumizing device acts on the dust absorption pipeline and the air inlet side of the barrel body, so that the dust absorption pipeline passes through the dust absorption port to generate first air flow entering the barrel body, and simultaneously, the air inlet side generates second air flow entering the barrel body.

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