CN108125619B - Dust-gas separation device and dust collector adopting same - Google Patents
Dust-gas separation device and dust collector adopting same Download PDFInfo
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- CN108125619B CN108125619B CN201810141717.6A CN201810141717A CN108125619B CN 108125619 B CN108125619 B CN 108125619B CN 201810141717 A CN201810141717 A CN 201810141717A CN 108125619 B CN108125619 B CN 108125619B
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- air
- dust
- cyclone
- air inlet
- cover
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1608—Cyclonic chamber constructions
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
- A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
- A47L9/1658—Construction of outlets
- A47L9/1666—Construction of outlets with filtering means
Abstract
The invention discloses a dust-air separating device and a dust collector adopting the same.A dust inlet duct is formed by arranging an air inlet barrel at the central position of a dust cup, so that dust and air directly enter from the air inlet duct at the center of the dust cup, multiple air inlet reversing is avoided, the loss of air volume is reduced, dust can be thrown more favorably, and the performance and the suction force of the whole dust collector are improved. And because the air inlet duct is arranged at the center, the interior of the dust cup still has a circular structure, so that cyclone is convenient to form, the dust-air separation efficiency is improved, and the dust storage volume of the dust cup is increased.
Description
Technical Field
The invention belongs to the field of structural design of dust collectors, and particularly relates to a dust-gas separation device of a dust collector and a dust collector adopting the same.
Background
The vacuum cleaners can be divided into horizontal type, vertical type and hand-held type according to different structural compositions, and users can select different types of vacuum cleaners according to different cleaning requirements.
The handheld dust collector has the advantages of small size, convenience in carrying and use and the like, is mainly used for cleaning in a vehicle, and has a good cleaning effect on a keyboard, an electric appliance and the like. The handheld dust collector generally comprises a dust cup filtering part at the front end and a motor part at the rear end, dust and air enter the dust cup filtering system through an air duct to realize dust and air separation, the separated dust falls into the dust cup, and air is pumped out. At present, in a dust cup filtering system of a dust collector, an air channel is mostly arranged, dust, hair and the like enter a dust cup through the air channel to be separated and filtered, so that the fine dust, the hair and the like can be reversed for many times when passing through the air channel, dust is not thrown easily, air quantity loss is increased easily, and the performance and the suction of the whole dust collector are reduced. And the air duct arranged on the side damages the circular structure inside the dust cup, is not beneficial to forming cyclone, influences the dust-air separation effect and simultaneously reduces the dust storage volume of the dust cup.
Therefore, in view of the above problems, there is a need for a new dust-air separating device, which can effectively solve the problem of large air loss in the air duct by changing the installation position of the air duct, and at the same time, facilitate the formation of the cyclone, effectively improve the dust-air separating efficiency, and increase the dust storage volume of the dust cup.
Disclosure of Invention
In view of the above, the present invention provides a dust-air separating device, in which an air inlet duct is disposed at the center of a dust cup, so as to facilitate formation of cyclone, improve dust-air separating efficiency, effectively solve the problem of large air loss in the air duct, and increase dust storage capacity of the dust cup.
The invention provides a dust-gas separating device, which comprises a dust cup and a cyclone arranged in the dust cup, wherein a cyclone space is formed between the cyclone and the dust cup, an air inlet communicated with the outside is formed at the bottom of the dust cup, an air inlet cylinder is arranged at the central position of the dust cup, one end of the air inlet cylinder is connected to the air inlet and sealed, and the other end of the air inlet cylinder extends upwards to the cyclone.
Preferably, the cyclone comprises a cyclone cover, a spiral cyclone air duct is formed in the cyclone cover, an inlet of the cyclone air duct is located in the middle of the cyclone cover and communicated with the top of the air inlet cylinder, a cyclone cover air outlet communicated with the cyclone space is formed in the cyclone cover, and an outlet of the cyclone air duct is communicated with the cyclone cover air outlet.
Preferably, a connecting pipe extends downwards from the middle of the cyclone cover, and the bottom of the connecting pipe is in butt joint with the top of the air inlet cylinder.
Preferably, the top of the air inlet cylinder extends into the cyclone cover, a cyclone air duct is formed between the inner wall of the cyclone cover and the outer wall of the air inlet cylinder, an air outlet is formed in the part, located in the cyclone cover, of the air inlet cylinder, an air outlet of the cyclone cover communicated with the cyclone space is formed in the cyclone cover, and the air outlet of the cyclone cover are arranged in a staggered mode.
Preferably, the air outlet is higher than the air outlet of the cyclone cover, and the air outlet of the cyclone cover are arranged in a back-to-back manner.
Preferably, the cyclone is still including setting up in the screen panel of whirlwind cover low reaches, form the air inlet wind channel in the air inlet section of thick bamboo, the dirt gas gets into the air inlet wind channel by the air intake to upwards move to the whirlwind wind channel in, the dirt gas switching-over forms spiral air current in the whirlwind wind channel, and spiral air current whirlwind cover air outlet operation carries out the dirt gas separation to the whirlwind space in, and the dust after the separation falls into dirt cup bottom, and the air after the separation moves downstream through the screen panel is discharged after filtering.
Preferably, the mesh enclosure is arranged below the cyclone cover, an air return opening is formed in the cyclone cover, and the separated air runs downstream and is filtered by the mesh enclosure and then is discharged through the air return opening.
Preferably, the bottom of the air inlet cylinder is of an oval structure matched with an air inlet of the dust cup, the top of the air inlet cylinder is of a circular structure, and the diameter of the air inlet cylinder is gradually increased from bottom to top.
Preferably, the bottom of the dust cup can be rotated and opened, and one end of the air inlet cylinder is detachably connected with the bottom of the dust cup.
In order to solve the technical problem, the invention also discloses a dust collector which comprises the dust-air separation device.
Compared with the prior art, the dust-gas separation device disclosed by the invention has the advantages that:
according to the invention, the air inlet cylinder is arranged at the center of the dust cup to form the air inlet channel, so that dust air directly enters from the air inlet channel at the center of the dust cup, multiple air inlet reversing is avoided, the air quantity loss is reduced, dust throwing is facilitated, and the performance and suction of the whole machine are improved.
And because the air inlet duct is arranged at the center, the interior of the dust cup still has a circular structure, so that cyclone is convenient to form, the dust-air separation efficiency is improved, and the dust storage volume of the dust cup is increased.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a front view of a dust and gas separating apparatus of the present disclosure.
Fig. 2 is a front sectional view of the dust-gas separating apparatus disclosed in the present invention.
FIG. 3 is a view showing the internal structure of the dust-gas separating apparatus.
Fig. 4 is an exploded view of the structure of fig. 3.
Fig. 5 is a schematic structural view of the cyclone cover.
Fig. 6 is a perspective view of the dust-gas separating device disclosed in the present invention.
Fig. 7 is a schematic structural view of embodiment 2.
Names of corresponding components represented by numerals or letters in the drawings:
1. dust cup 2, cyclone cover 3, air inlet cylinder 4 and mesh enclosure
11. Air inlet 12, dust collecting space 13, connecting part 14 and cyclone space
21. Cyclone air duct 22, cyclone cover air outlet 23, return air inlet 24 and connecting pipe
31. Air inlet duct 32 and air outlet
Detailed Description
As described in the background section, most of dust cup filter systems of dust collectors currently adopt a separating device arranged beside an air duct, so that dust, hair and the like can be reversed for many times when passing through the air duct, which is not beneficial to dust throwing and causes the performance and suction of the whole dust collector to be reduced. And the air duct arranged on the side destroys the circular structure inside the dust cup, which is not beneficial to forming cyclone and influencing the dust-air separation effect. Therefore, the invention provides a dust-gas separating device aiming at the defects in the prior art.
The technical solution of the present invention will be clearly and completely described by the following detailed description. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 to 6, as shown in the drawings, a dust-air separating apparatus includes a dust cup 1 and a cyclone disposed inside the dust cup, a cyclone space 14 is formed between the cyclone and the dust cup, an air inlet 11 communicated with the outside is formed at the bottom of the dust cup 1, an air inlet drum 3 is disposed at the center of the dust cup 1, one end of the air inlet drum 3 is connected to the air inlet 11 and sealed, and the other end extends upward to the cyclone.
Furthermore, the air inlet 11 at the bottom of the dust cup 1 is bent upwards to form a connecting part 13, the air inlet 11 is formed inside the connecting part 13, the top of the connecting part 13 is used for connecting and fixing the air inlet barrel 3, and the bottom of the air inlet barrel 3 is connected to the connecting part 13 and sealed. The one end and the connecting portion of an air inlet section of thick bamboo can be dismantled and be connected, specifically, the junction of connecting portion 13 and an air inlet section of thick bamboo 3 can adopt the structural style of joint, also makes air intake and an air inlet section of thick bamboo effectively link up when making things convenient for dismouting dirt cup, avoids simultaneously that the dirt gas from the junction to reveal get into in the dust collecting space 12.
In addition, the bottom of the dust cup 1 can be rotated and opened, so that dust in the dust cup can be poured conveniently.
In order to further improve the sealing effect, a sealing ring and other parts can be arranged at the joint to ensure the air tightness of the joint.
The cyclone comprises a cyclone cover 2, a spiral cyclone air duct 21 is formed in the cyclone cover 2, the inlet of the cyclone air duct 21 is positioned in the middle of the cyclone cover 2 and communicated with the top of the air inlet barrel 3, a cyclone cover air outlet 22 communicated with the cyclone space 14 is formed on the cyclone cover 2, and the outlet of the cyclone air duct 21 is communicated with the cyclone cover air outlet 22. The air outlet of the cyclone cover can be arranged on one side or the bottom of the cyclone cover, and the cyclone cover is preferably arranged on the bottom of the cyclone cover.
When the cyclone hood is designed specifically, the middle part of the cyclone hood 2 can extend downwards to form a connecting pipe 24, and the bottom of the connecting pipe 24 is in butt joint with the top of the air inlet barrel 3, so that dust and air are guided into the cyclone air duct 21. In other embodiments, a central hole may be formed in the middle of the cyclone cover 2, and the top of the air inlet barrel 3 is directly butted with the central hole, and the central hole forms an inlet of the cyclone air duct.
The cyclone also comprises a mesh enclosure 4 arranged at the downstream of the cyclone cover 2, an air inlet duct 31 is formed in the air inlet barrel 3, dust and air enter the air inlet duct 31 from the air inlet 11 and move upwards into the cyclone air duct 21, the dust and air are reversed in the cyclone air duct 21 to form spiral air flow, the spiral air flow moves from the cyclone air inlet 22 into the cyclone space 14 for dust and air separation, the separated dust falls into a dust collecting space 12 at the bottom of the dust cup 1, and the separated air moves downstream and is discharged after being filtered by the mesh enclosure 4.
In this embodiment, the mesh enclosure 4 is preferably disposed below the cyclone cover 2, an air return opening 23 is further formed in the cyclone cover 2, and the separated air is filtered by the mesh enclosure 4 downstream and then discharged through the air return opening 23. In other embodiments, the mesh enclosure may be disposed above the cyclone housing or at other positions, and the separated air is directly filtered by the mesh enclosure and then exhausted without passing through the cyclone housing, and the specific structural form is not limited.
Furthermore, a wind shielding rib (not shown) for preventing hairs from winding on the outer wall of the air inlet barrel extends downwards from the bottom of the cyclone cover 2, and the wind shielding rib is vertically arranged on a spiral running path of the dust. The dust and hair running in the cyclone space can be stopped to run and then fall into the bottom of the dust cup downwards under the blocking of the wind shielding rib, so that the hair is prevented from being wound after rotation, and the interior of the subsequent dust cup is convenient to clean.
Preferably, the wind shielding rib is arranged at the wind shield outlet 22, so that dust and air entering the cyclone space from the wind shield outlet 22 firstly passes through the wind shielding rib and then spirally falls into the bottom of the dust cup. In addition, the wind blocking rib can be also provided with a vent hole. Through setting up the ventilation hole, the muscle of keeping out the wind is when realizing blockking that dust, hair are rotatory, can make things convenient for the passing through of air current, does not influence complete machine performance and suction, effectively improves separation efficiency.
Further, the top of the dust cup 1 is provided with filter cotton (not shown), and the air exhausted through the return air inlet is further filtered at the filter cotton and then exhausted out of the machine body.
Furthermore, the air inlet 11 disclosed by the invention is preferably oval, and the bottom of the air inlet drum 3 is of an oval structure matched with the air inlet 11 of the dust cup, so that the effective connection between the air inlet drum 3 and the air inlet at the bottom of the dust cup 1 is met. In other embodiments, the shape of the bottom of the air inlet drum may be changed according to the shape of the air inlet, and is not particularly limited.
The top of the air inlet cylinder 3 is of a circular structure, so that the formation of cyclone is facilitated.
In addition, the air inlet cylinder 3 gradually increases in cylinder diameter from bottom to top. On one hand, the air inlet duct is gradually increased from the air inlet to the air outlet, so that dust and air can conveniently enter. On the other hand, the bottom of the air inlet cylinder has smaller cylinder diameter, so that the occupied dust collecting space is reduced, and the dust storage space of the dust cup is effectively increased.
The working principle of the invention is as follows:
dust and air enter the air inlet duct 31 from the air inlet 11 and move upwards to enter the cyclone air duct 21, the direction is changed in the cyclone air duct 21 to form spiral air flow, the spiral air flow rotates from the air outlet 22 of the air cover to move into the cyclone space 14 for dust and air separation, the separated dust falls into the dust collecting space 12 at the bottom of the dust cup 1, the separated air moves downstream and is filtered by the mesh enclosure, then moves downstream through the air return opening 23, and finally is discharged after being filtered by filter cotton.
Example 2
As shown in fig. 7, the rest of the structure is the same as that of embodiment 1, except that the top of the air inlet cylinder 3 extends into the cyclone cover 2, a cyclone air duct is formed between the inner wall of the cyclone cover 2 and the outer wall of the air inlet cylinder 3, an air outlet 32 is formed in the portion of the air inlet cylinder 3 located in the cyclone cover, a cyclone cover air outlet 22 communicated with the cyclone space 14 is formed in the cyclone cover 2, and the air outlet 32 and the cyclone cover air outlet 22 are arranged in a staggered manner.
Preferably, a spiral air guiding rib (not shown) is integrally formed in the cyclone cover 2, and the dust and air discharged from the air outlet 32 can be guided by the spiral air guiding rib to form cyclone, so that the dust and air separation efficiency is improved.
Further, the air outlet 32 is higher than the air outlet 22 of the cyclone cover, and the air outlet is arranged at the top end of the air inlet cylinder 3 relatively, so that dust and air exhausted through the air outlet 32 can rotate spirally from top to bottom, the spiral rotating path of the dust and air is increased, and dust and air separation is realized as much as possible.
Furthermore, the outlet 32 is preferably located opposite the cyclone shroud outlet 22. The dust and gas discharged from the air outlet at least needs to rotate 180 degrees and then moves to the air outlet of the cyclone cover, so that the dust and gas is prevented from directly rotating the air outlet of the air cover to move to a cyclone space after being discharged from the air outlet, the formation of cyclone is facilitated, and the dust and gas separation efficiency is improved.
In summary, the dust-air separating device disclosed by the invention has the advantages that the air inlet cylinder is arranged at the central position of the dust cup to form the air inlet channel, so that dust air directly enters from the air inlet channel at the center of the dust cup, multiple air inlet reversing is avoided, the air quantity loss is reduced, dust throwing is facilitated, and the performance and the suction force of the whole machine are improved.
And because the air inlet duct is arranged at the center, the interior of the dust cup still has a circular structure, so that cyclone is convenient to form, the dust-air separation efficiency is improved, and the dust storage volume of the dust cup is increased.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A dust-air separating device comprises a dust cup and a cyclone arranged inside the dust cup, a cyclone space is formed between the cyclone and the dust cup, and the dust-air separating device is characterized in that an air inlet communicated with the outside is formed at the bottom of the dust cup, an air inlet barrel is arranged at the central position of the dust cup, one end of the air inlet barrel is connected to the air inlet and sealed, the other end of the air inlet barrel extends upwards to the cyclone, the cyclone comprises a cyclone cover and a mesh enclosure, the mesh enclosure is arranged below the cyclone cover, a spiral cyclone air channel and an air return channel which are mutually isolated are formed in the cyclone cover, a cyclone air outlet and an air return inlet are respectively arranged on the cyclone air channel and the air return channel, dust is reversed in the cyclone air channel to form spiral air flow, the spiral air flow is discharged from the cyclone air outlet and runs to the cyclone space between the cyclone and the dust cup to be separated, and the separated dust, the separated air runs downstream and is filtered by the mesh enclosure, and the filtered air is discharged through a return air inlet of a return air channel in the cyclone cover.
2. The dust-gas separating device of claim 1, wherein the inlet of the cyclone air duct is located in the middle of the cyclone cover and is communicated with the top of the air inlet cylinder, and the outlet of the cyclone air duct is communicated with the air outlet of the cyclone cover.
3. The dust and air separating device of claim 2, wherein a connection pipe extends downwards from the middle of the cyclone cover, and the bottom of the connection pipe is in butt joint with the top of the air inlet drum.
4. The dust-gas separating device of claim 1, wherein the top of the air inlet cylinder extends into the cyclone cover, a cyclone air duct is formed between the inner wall of the cyclone cover and the outer wall of the air inlet cylinder, an air outlet is formed in the part of the air inlet cylinder located in the cyclone cover, and the air outlet of the cyclone cover are arranged in a staggered manner.
5. The dust and gas separating device of claim 4, wherein the air outlet is higher than the cyclone cover air outlet, and the air outlet is opposite to the cyclone cover air outlet.
6. The dust-air separating apparatus of any one of claims 2-5, wherein an air inlet channel is formed in the air inlet cylinder, and dust air enters the air inlet channel from the air inlet and travels upward into the cyclone air channel.
7. The dust-gas separating device of claim 1, wherein the bottom of the air inlet barrel is of an elliptical structure matched with an air inlet of the dust cup, the top of the air inlet barrel is of a circular structure, and the diameter of the air inlet barrel is gradually increased from bottom to top.
8. The dust and gas separating apparatus of claim 1, wherein the bottom of the dust cup is rotatably opened, and one end of the air inlet drum is detachably connected to the bottom of the dust cup.
9. A vacuum cleaner comprising the dust-air separating apparatus as claimed in any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141717.6A CN108125619B (en) | 2018-02-11 | 2018-02-11 | Dust-gas separation device and dust collector adopting same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810141717.6A CN108125619B (en) | 2018-02-11 | 2018-02-11 | Dust-gas separation device and dust collector adopting same |
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| Publication Number | Publication Date |
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| CN108125619A CN108125619A (en) | 2018-06-08 |
| CN108125619B true CN108125619B (en) | 2020-08-28 |
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| CN201810141717.6A Active CN108125619B (en) | 2018-02-11 | 2018-02-11 | Dust-gas separation device and dust collector adopting same |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110419983A (en) * | 2019-08-29 | 2019-11-08 | 天佑电器（苏州）有限公司 | Separation dust collector component and dust catcher with it |
| CN110338703B (en) * | 2019-07-24 | 2024-04-02 | 宁波久昌电器有限公司 | Handheld cyclone separation dust collector |
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| CN202537412U (en) * | 2012-04-26 | 2012-11-21 | 杭州春兰电器实业有限公司 | Multi-cyclone dust removal device for vacuum dust collector |
| CN103767628A (en) * | 2012-10-19 | 2014-05-07 | 莱克电气股份有限公司 | Dual-use wet and dry vacuum cleaner with separating device |
| CN203841612U (en) * | 2014-04-14 | 2014-09-24 | 江苏美的春花电器股份有限公司 | Vacuum cleaner |
| CN208524762U (en) * | 2018-02-11 | 2019-02-22 | 莱克电气股份有限公司 | A kind of dust and gas separator and the dust catcher using the device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7803207B2 (en) * | 2006-03-10 | 2010-09-28 | G.B.D. Corp. | Vacuum cleaner with a divider |
| CA2658046A1 (en) * | 2009-03-11 | 2010-09-11 | G.B.D. Corp. | Surface cleaning apparatus |
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2018
- 2018-02-11 CN CN201810141717.6A patent/CN108125619B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202537412U (en) * | 2012-04-26 | 2012-11-21 | 杭州春兰电器实业有限公司 | Multi-cyclone dust removal device for vacuum dust collector |
| CN103767628A (en) * | 2012-10-19 | 2014-05-07 | 莱克电气股份有限公司 | Dual-use wet and dry vacuum cleaner with separating device |
| CN203841612U (en) * | 2014-04-14 | 2014-09-24 | 江苏美的春花电器股份有限公司 | Vacuum cleaner |
| CN208524762U (en) * | 2018-02-11 | 2019-02-22 | 莱克电气股份有限公司 | A kind of dust and gas separator and the dust catcher using the device |
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