CN220608226U - Dust separating structure of handheld dust collector - Google Patents
Dust separating structure of handheld dust collector Download PDFInfo
- Publication number
- CN220608226U CN220608226U CN202322212628.5U CN202322212628U CN220608226U CN 220608226 U CN220608226 U CN 220608226U CN 202322212628 U CN202322212628 U CN 202322212628U CN 220608226 U CN220608226 U CN 220608226U
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- dust
- filter
- spiral air
- baffle
- component
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- 239000000428 dust Substances 0.000 title claims abstract description 137
- 239000002245 particle Substances 0.000 claims abstract description 31
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 238000000926 separation method Methods 0.000 claims abstract description 8
- 210000001503 joint Anatomy 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims 2
- 238000000576 coating method Methods 0.000 claims 2
- 239000011148 porous material Substances 0.000 abstract 2
- 238000005253 cladding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Abstract
The utility model provides a separation dirt structure of hand-held type dust catcher, including dirt cup subassembly, advance dirt pipe, filter and filter element, advance the dirt pipe setting in the bottom of dirt cup subassembly, the inner chamber of dirt cup subassembly is through advancing dirt pipe intercommunication external world, the filter setting is provided with helical air deflector in the inner chamber, its bottom, in order to form first spiral wind channel, form the second spiral wind channel between filter and the inner chamber lateral wall, filter element sets up inside the filter, form the third spiral wind channel between filter element and the filter, be provided with the filtration pore on the filter, advance dirt pipe, first spiral wind channel, second spiral wind channel, filtration pore and third spiral wind channel communicate in proper order. The handheld dust collector can improve the separation efficiency of dust particles, can effectively separate the dust particles, ensures that the pressure in the dust cup is uniformly distributed due to the design of the spiral air duct, and the dust particles are not easy to adhere to the filter, so that the suction force of the dust collector is reduced, the dust collection amount is reduced, and the dust collection capacity and the dust collection amount of the dust collector are improved.
Description
Technical Field
The present disclosure relates to vacuum cleaners, and particularly to a dust separating structure of a vacuum cleaner.
Background
The existing dust collectors with a plurality of cyclone modes have the working modes that after air mixed with dust is sucked in, the air mixed with dust rotates at a high speed, and then the dust or small dirt is thrown out from the air mixed with dirt one by one in a sequence from heavy to light through the centrifugal force of the rotating air, and the used dust or small dirt is trapped in a dust barrel; however, in cyclone dust collectors, especially in multi-stage cyclone dust cup type structures, an outer mesh filter is initially adopted, a plurality of tangential air inlets for air flow entering a downstream second stage cyclone are arranged at the downstream of the outer mesh filter, and little air flow enters the tangential air inlets after entering a primary separator for separation, and turbulence occurs in the dust cup due to uneven pressure distribution in the dust cup, so that the separation efficiency is affected and the pressure loss is increased.
Therefore, further improvements are needed.
Disclosure of Invention
The utility model aims to provide a dust separating structure of a handheld dust collector, which has the advantages of simple structure, high separating efficiency, good dust collecting effect and strong practicability, so as to overcome the defects in the prior art.
According to the separation dirt structure of this purpose design, including dirt cup subassembly, its characterized in that: the dust cup assembly comprises a dust cup assembly, a dust inlet pipe, a filter and a filtering component, wherein the dust inlet pipe is arranged at the bottom of the dust cup assembly, an inner cavity of the dust cup assembly is communicated with the outside through the dust inlet pipe, the filter is arranged in the inner cavity, a spiral air deflector is arranged at the bottom of the filter to form a first spiral air channel, a second spiral air channel is formed between the filter and the side wall of the inner cavity, the filtering component is arranged in the filter, a third spiral air channel is formed between the filtering component and the filter, a filtering hole is formed in the filter, and the dust inlet pipe, the first spiral air channel, the second spiral air channel, the filtering hole and the third spiral air channel are sequentially communicated; when the handheld dust collector works, dust particles enter the first spiral air duct through the dust inlet pipe and flow to the side wall of the inner cavity along the first spiral air duct, the dust particles rotate along the side wall of the inner cavity so as to enable heavy dust particles to fall off, and part of light dust particles enter the filter through the second spiral air duct and the filter holes and enter the filter part along the third spiral air duct.
The air deflector partially coats the dust inlet pipe.
The air deflector comprises a first baffle and a second baffle which are arc-shaped, the first baffle and the second baffle mutually form a first spiral air channel, a spiral air inlet is formed in the first baffle, and the dust inlet pipe is communicated with the first spiral air channel through the spiral air inlet.
One end of the second baffle is in butt joint with the first baffle, and the other end of the second baffle extends to a position close to the side wall of the inner cavity, so that the first spiral air duct and the second spiral air duct are mutually communicated.
The height of the second baffle is higher than that of the first baffle, and a part of the second baffle higher than that of the first baffle forms a cladding part, and the cladding part partially cladding the dust inlet pipe.
The filter component is conical, and the width of the filter component is gradually reduced from top to bottom, so that a third spiral air channel with the width gradually increased from top to bottom is formed between the filter component and the filter.
The cross section of the filtering component is in an inverted trapezoid shape.
The top of the filter component is connected with the filter, a gap is reserved between the bottom of the filter component and the filter, and the gap is communicated with the third spiral air duct.
An air suction component is arranged in the dust cup component, the air inlet end of the air suction component is communicated with the inside of the filter, and the air outlet end of the air suction component is communicated with the outside.
One end of the dust inlet pipe extends out of the dust cup assembly, and the other end extends into the inner cavity of the dust cup assembly.
According to the utility model, the dust inlet pipe, the filter and the filter component are arranged, the spiral air deflector is arranged at the bottom of the filter to form a first spiral air channel, a second spiral air channel is formed between the filter and the side wall of the inner cavity, a third spiral air channel is formed between the filter component and the filter, dust particles enter the first spiral air channel from the dust inlet pipe and are spirally separated to the wall (the side wall of the inner cavity) of the dust cup, then the dust particles rotate along the side wall of the inner cavity to enable heavy dust particles to fall, a small part of light dust particles enter the filter through the second spiral air channel and the filter hole, a secondary dust separation effect is formed between the sea kerchief and the filter, the light dust particles entering the filter enter the sea kerchief along the third spiral air channel for filtering, the structure can improve the dust particle separation efficiency, and the design of the spiral air channel enables the pressure distribution in the dust cup to be uniform; in addition, the light dust particles rotate at a high speed when passing through the third spiral air duct, so that the dust particles are not easy to adhere to the filter, the suction force of the dust collector is reduced, the dust collection amount is reduced, and the dust collection capacity and the dust collection amount of the dust collector are improved.
In addition, the air deflector partially coats the dust inlet pipe, the first-stage spiral airflow can be better formed, the section of the filtering component is in an inverted trapezoid shape, the lower space between the filtering component and the filter is large, the upper space is small, a space is reserved for forming a third spiral air duct, and the width of the third spiral air duct is gradually increased from top to bottom due to the characteristic of dust collection airflow, so that wind resistance can be reduced, and light dust particles can smoothly enter the HEPA for filtering.
Drawings
Figure 1 is a cross-sectional view of a cleaner in accordance with one embodiment of the present utility model.
Fig. 2 is a schematic view of the overall structure of a vacuum cleaner according to an embodiment of the utility model.
Figure 3 is a schematic view of the overall structure of the cleaner after removing the dirt cup in accordance with an embodiment of the present utility model.
Fig. 4 is a schematic diagram showing the overall structure of a filter according to an embodiment of the utility model.
Fig. 5 is a schematic view showing the overall structure of a filter unit according to an embodiment of the present utility model.
Detailed Description
The utility model is further described below with reference to the drawings and examples.
Referring to fig. 1-5, the dust separating structure of the handheld dust collector comprises a dust cup assembly a, a dust inlet pipe 1, a filter 2 and a filtering component 3, wherein the dust inlet pipe 1 is arranged at the bottom of the dust cup assembly a, an inner cavity 4 of the dust cup assembly a is communicated with the outside through the dust inlet pipe 1, the filter 2 is arranged in the inner cavity 4, a spiral air deflector 5 is arranged at the bottom of the inner cavity to form a first spiral air channel 6, a second spiral air channel 7 is formed between the filter 2 and the side wall of the inner cavity 4, the filtering component 3 is arranged inside the filter 2, a third spiral air channel 8 is formed between the filtering component 3 and the filter 2, a filtering hole 2.1 is formed in the filter 2, and the dust inlet pipe 1, the first spiral air channel 6, the second spiral air channel 7, the filtering hole 2.1 and the third spiral air channel 8 are sequentially communicated; referring to fig. 1 and 4, when the hand-held cleaner is in operation, dust particles enter the first spiral duct 6 through the dust inlet pipe 1 and flow to the side wall of the inner cavity 4 along the first spiral duct 6 to form a first-stage spiral airflow, then the dust particles rotate along the side wall of the inner cavity 4 to enable heavy dust particles to fall down so as to separate heavy dust particles from light dust particles, then part of the light dust particles enter the filter 2 through the second spiral duct 7 and the filter holes 2.1 to form a second-stage spiral airflow so as to secondarily separate the dust particles, and the light dust particles entering the filter 2 enter the filter part 3 along the third spiral duct 8 so as to be filtered.
The air deflector 5 partially coats the dust inlet pipe 1.
The air deflector 5 comprises a first baffle plate 9 and a second baffle plate 10 which are arc-shaped, the first baffle plate 9 and the second baffle plate 10 mutually form a first spiral air duct 6, a spiral air inlet 9.1 is arranged in the first baffle plate 9, and the dust inlet pipe 1 is communicated with the first spiral air duct 6 through the spiral air inlet 9.1.
One end of the second baffle plate 10 is abutted with the first baffle plate 9, and the other end of the second baffle plate extends to a position close to the side wall of the inner cavity 4, so that the first spiral air duct 6 and the second spiral air duct 7 are communicated with each other, the first baffle plate 9 is positioned at the center of the inner cavity 4, and therefore dust particles flow to the side wall of the inner cavity 4 from the center of the inner cavity 4 after entering the first spiral air duct 6.
The height of the second baffle plate 10 is higher than that of the first baffle plate 9, and a part of the second baffle plate 10 higher than the first baffle plate 9 forms a cladding part 10.1, and the cladding part 10.1 partially cladding the dust inlet pipe 1 so as to guide dust particle airflow in the dust inlet pipe 1 to enter the first spiral duct 6.
The filter element 3 is tapered and gradually reduces in width from top to bottom, so that a third spiral air duct 8 with gradually increasing width from top to bottom is formed between the filter element 3 and the filter 2.
The cross section of the filter element 3 is in the shape of an inverted trapezoid.
The top of filter element 3 is connected with filter 2, leaves clearance 11 between filter element 3's bottom and the filter 2, and clearance 11 intercommunication third spiral wind channel 8, this structure can further reduce the windage.
An air suction component 12 is arranged in the dust cup component a, the air inlet end of the air suction component 12 is communicated with the inside of the filter 2, the air outlet end of the air suction component is communicated with the outside, and under the air suction effect of the air suction component 12, the inner cavity 4 forms negative pressure, so that dust particle airflow enters the inner cavity 4.
One end of the dust inlet pipe 1 extends out of the dust cup assembly a, and the other end extends into the inner cavity 4 of the dust cup assembly a.
The filter element 3 is a hepa.
The dust cup assembly a comprises a main body shell 13 and a dust cup 14 which are arranged up and down, an air exhausting component 12 is arranged inside the main body shell 13, a dust inlet pipe 1 is arranged at the bottom of the dust cup 14, and an inner cavity 4 is arranged inside the dust cup 14.
The foregoing is a preferred embodiment of the utility model showing and describing the general principles, features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the foregoing embodiments, which have been described in the foregoing description merely illustrates the principles of the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a dust separation structure of hand-held type dust catcher, includes dirt cup subassembly (a), its characterized in that: the dust cup comprises a dust cup assembly (a), and is characterized by further comprising a dust inlet pipe (1), a filter (2) and a filter component (3), wherein the dust inlet pipe (1) is arranged at the bottom of the dust cup assembly (a), an inner cavity (4) of the dust cup assembly (a) is communicated with the outside through the dust inlet pipe (1), the filter (2) is arranged in the inner cavity (4), a spiral air deflector (5) is arranged at the bottom of the filter to form a first spiral air channel (6), a second spiral air channel (7) is formed between the filter (2) and the side wall of the inner cavity (4), the filter component (3) is arranged inside the filter (2), a third spiral air channel (8) is formed between the filter component (3) and the filter (2), a filter hole (2.1) is formed in the filter (2), and the dust inlet pipe (1), the first spiral air channel (6), the second spiral air channel (7), the filter hole (2.1) and the third spiral air channel (8) are sequentially communicated; when the handheld dust collector works, dust particles enter the first spiral air duct (6) through the dust inlet pipe (1) and flow to the side wall of the inner cavity (4) along the first spiral air duct (6), the dust particles rotate along the side wall of the inner cavity (4) to enable heavy dust particles to fall off, and part of light dust particles enter the filter (2) through the second spiral air duct (7) and the filter hole (2.1) and enter the filter part (3) along the third spiral air duct (8).
2. The dust separating structure of a hand-held cleaner according to claim 1, wherein: the air deflector (5) partially coats the dust inlet pipe (1).
3. The dust separating structure of a hand-held cleaner according to claim 2, wherein: the air deflector (5) comprises a first baffle (9) and a second baffle (10) which are arc-shaped, the first baffle (9) and the second baffle (10) form a first spiral air channel (6) mutually, a spiral air inlet (9.1) is formed in the first baffle (9), and the dust inlet pipe (1) is communicated with the first spiral air channel (6) through the spiral air inlet (9.1).
4. A dust separating structure of a hand-held cleaner according to claim 3, wherein: one end of the second baffle (10) is in butt joint with the first baffle (9), and the other end of the second baffle extends to a position close to the side wall of the inner cavity (4) so as to enable the first spiral air duct (6) to be communicated with the second spiral air duct (7).
5. A dust separating structure of a hand-held cleaner according to claim 3, wherein: the height of the second baffle (10) is higher than that of the first baffle (9), and a part of the second baffle (10) higher than the first baffle (9) forms a coating part (10.1), and the coating part (10.1) partially coats the dust inlet pipe (1).
6. The dust separating structure of a hand-held cleaner according to claim 1, wherein: the filter component (3) is conical, and the width of the filter component is gradually reduced from top to bottom, so that a third spiral air duct (8) with the width gradually increased from top to bottom is formed between the filter component (3) and the filter (2).
7. The dust separating structure of a hand-held cleaner of claim 6, wherein: the section of the filtering component (3) is in an inverted trapezoid shape.
8. The dust separating structure of a hand-held cleaner of claim 6, wherein: the top of the filter component (3) is connected with the filter (2), a gap (11) is reserved between the bottom of the filter component (3) and the filter (2), and the gap (11) is communicated with the third spiral air duct (8).
9. The dust separating structure of a hand-held cleaner according to claim 1, wherein: an air exhausting component (12) is arranged in the dust cup component (a), the air inlet end of the air exhausting component (12) is communicated with the inside of the filter (2), and the air outlet end is communicated with the outside.
10. The dust separating structure of a hand-held cleaner according to claim 1, wherein: one end of the dust inlet pipe (1) extends out of the dust cup component (a), and the other end extends into the inner cavity (4) of the dust cup component (a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212628.5U CN220608226U (en) | 2023-08-16 | 2023-08-16 | Dust separating structure of handheld dust collector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322212628.5U CN220608226U (en) | 2023-08-16 | 2023-08-16 | Dust separating structure of handheld dust collector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220608226U true CN220608226U (en) | 2024-03-19 |
Family
ID=90233791
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322212628.5U Active CN220608226U (en) | 2023-08-16 | 2023-08-16 | Dust separating structure of handheld dust collector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220608226U (en) |
-
2023
- 2023-08-16 CN CN202322212628.5U patent/CN220608226U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |