CN107898383B - Dust cup and dust collector with same - Google Patents
Dust cup and dust collector with same Download PDFInfo
- Publication number
- CN107898383B CN107898383B CN201711104655.3A CN201711104655A CN107898383B CN 107898383 B CN107898383 B CN 107898383B CN 201711104655 A CN201711104655 A CN 201711104655A CN 107898383 B CN107898383 B CN 107898383B
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- channel
- air
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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
- A47L9/12—Dry filters
- A47L9/127—Dry filters tube- or sleeve-shaped
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- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
Abstract
The invention discloses a dust cup and a dust collector with the same, wherein the dust cup comprises: the dust cup comprises a dust cup body, wherein an air inlet is formed at the bottom of the dust cup body, and an air outlet is formed at the top of the dust cup body; the channel piece is arranged in the dust cup body, the lower end of the channel piece is connected with the air inlet, the upper end of the channel piece is connected with the air outlet, a partition piece is arranged in the channel piece to divide the interior of the channel piece into an air outlet channel and an air inlet channel positioned below the air outlet channel, a plurality of through holes are formed in the side wall of the channel piece corresponding to the air outlet channel, and a communication opening is formed in the side wall of the channel piece corresponding to the air inlet channel; the one end of spiral channel spare links to each other with the intercommunication mouth, and the other end of spiral channel spare upwards spirals along the axial of passageway spare and extends to the lateral wall of dirt cup body, and the other end of spiral channel spare communicates with each other with the inside of dirt cup body. The dust cup has a simple structure, is convenient to clean, can improve the dust-gas separation efficiency of the dust removal device, and reduces the pressure loss.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a dust cup and a dust collector with the same.
Background
In the technical field of dust-gas separation, the multi-cone dust-gas separation structure has large pressure loss and relatively complex structure, is not convenient to clean the dust in the dust cup and occupies a large space in the dust cup. In recent years, some single-cone dust-gas separation structures can achieve the same dust-gas separation efficiency as the multi-cone dust-gas separation structures, and meanwhile, the pressure loss is small. However, in the related art, the single cone dust-gas separation structure still has the following problems: (1) the dust-gas separation structure is unreasonable, so that the dust-gas separation efficiency is low; (2) the pressure loss of the dust-gas separation structure is large; (3) as the dust suction amount increases, the pressure loss increases, resulting in a rapid decrease in suction power, in which dust particles that are not separated accumulate on the filter cloths, resulting in clogging of the filter cloths, an increase in pressure loss, and inconvenience in cleaning.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the dust cup which is simple in structure and convenient to clean, and can improve the dust-gas separation efficiency of the dust removal device and reduce the pressure loss.
The invention also provides a dust collector with the dust cup.
A dirt cup in accordance with an embodiment of the first aspect of the present invention includes: the dust cup comprises a dust cup body, wherein an air inlet is formed at the bottom of the dust cup body, and an air outlet is formed at the top of the dust cup body; the channel piece is arranged in the dust cup body, the lower end of the channel piece is connected with the air inlet, the upper end of the channel piece is connected with the air outlet, a partition piece is arranged in the channel piece to divide the interior of the channel piece into an air outlet channel and an air inlet channel positioned below the air outlet channel, a plurality of through holes are formed in the side wall of the channel piece corresponding to the air outlet channel, and a communication opening is formed in the side wall of the channel piece corresponding to the air inlet channel; one end of the spiral channel piece is connected with the communication port, the other end of the spiral channel piece extends to the side wall of the dust cup body in an upward spiral mode along the axial direction of the channel piece, and the other end of the spiral channel piece is communicated with the interior of the dust cup body.
According to the dust cup provided by the embodiment of the invention, the spiral channel piece is spirally extended upwards to the side wall of the dust cup body along the axial direction of the channel piece, when the dust cup is applied to a dust removing device such as a dust collector, impurities are concentrated in the area close to the side wall of the dust cup body at the spiral outlet, and the impurities can spirally flow downwards along the side wall of the dust cup body along with air flow and are finally collected in the dust collecting cavity, so that the effect of separating dust from air is achieved, the dust-air separating efficiency is improved, the pressure loss is reduced, and meanwhile, the dust cup is simple in structure and convenient to clean.
According to some embodiments of the invention, the helical channel member comprises: one end of the first air deflector is connected with one side of the communication port, and the other end of the first air deflector is connected with the side wall of the dust cup body; the second air deflector is arranged on the inner side of the first air deflector, one end of the second air deflector is connected with the channel piece, and the other end of the second air deflector and the other end of the first air deflector are spaced from each other; the first enclosing plate is connected between the tops of the first air deflector and the second air deflector; the second enclosing plate is connected between the bottoms of the first air deflector and the second air deflector, and the second enclosing plate, the first air deflector, the second air deflector and the first enclosing plate jointly define a spiral channel.
According to some embodiments of the invention, the other end of the second air deflector extends to exceed the other end of the first air deflector, so that impurities are prevented from back mixing and escaping, and the dust-gas separation efficiency is ensured.
According to some embodiments of the invention, a portion of the first air deflector adjacent to the communication port has a guiding transition section, and the guiding transition section is formed as a curved section protruding away from the center of the channel member, so that the air flow at the communication port smoothly flows along the guiding transition section, and the pressure loss is further reduced.
According to some embodiments of the present invention, the guiding transition section is formed as a circular arc section protruding away from the center of the channel member, which is simple in structure, convenient to machine, and easy to realize a smooth transition from the communication port to the spiral channel.
According to some embodiments of the invention, the spiral channel is of a volute structure, so that the dust-gas separation efficiency of the dust cup is further improved.
According to some embodiments of the present invention, in the cross section of the dust cup body, the width of the spiral passage member is gradually reduced along the flow direction of the dust and air, which is beneficial to achieving dust and air separation and improving dust and air separation efficiency.
According to some embodiments of the invention, the cross-sectional area of the air inlet channel is smaller than the cross-sectional area of the air outlet channel to improve cleaning efficiency.
According to some embodiments of the invention, the channel member extends linearly along the axial direction of the dust cup body, so that the structure is simple and the pressure loss is further reduced.
A vacuum cleaner in accordance with an embodiment of the second aspect of the present invention includes a dirt cup in accordance with the embodiment of the first aspect of the present invention described above.
According to the dust collector provided by the embodiment of the invention, the dust cup is adopted, so that the dust collector is simple in structure, convenient to clean, high in dust-air separation efficiency and low in pressure loss.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a front view of a dirt cup according to an embodiment of the present invention;
FIG. 2 is a cross-sectional view of the dirt cup shown in FIG. 1;
FIG. 3 is a front view of an assembled structure of a tunnel member and a spiral tunnel member according to an embodiment of the present invention;
FIG. 4 is a schematic view showing an assembled structure of the tunnel member and the spiral tunnel member shown in FIG. 3;
FIG. 5 is another schematic view of the channel member and spiral channel member assembly shown in FIG. 3;
fig. 6 is still another schematic view of the structure of assembling the tunnel member with the spiral tunnel member shown in fig. 3.
Reference numerals:
a dust cup 100,
A dust cup body 1, a dust cup tube 11, an upper cover 12, a lower cover 13,
A channel member 2, an air inlet channel 20a, a communication port 20b, an air outlet channel 20c, a through hole 20d,
A spiral channel member 3, a spiral channel 30a, a spiral outlet 30b,
The first air deflector 31, the second air deflector 32 and the first enclosing plate 33.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "central," "lateral," "upper," "lower," "vertical," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience in describing the invention and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
A dirt cup 100 in accordance with an embodiment of the first aspect of the present invention is described below with reference to fig. 1-6.
As shown in fig. 1 to 6, a dirt cup 100 according to an embodiment of the present invention includes a dirt cup body 1, a passage member 2, and a spiral passage member 3.
The bottom of dirt cup body 1 is formed with the air intake and the top is formed with the air outlet, passageway piece 2 is established in dirt cup body 1, the lower extreme and the air intake of passageway piece 2 link to each other, the upper end and the air outlet of passageway piece 2 link to each other, be equipped with the separator in passageway piece 2 in order to separate into air-out passageway 20c with passageway piece 2 inside and be located the air-out passageway 20a of air-out passageway 20c below, be formed with a plurality of through-holes 20d on the lateral wall of the air-out passageway 20c that corresponds of passageway piece 2, be formed with intercommunication mouth 20b on the lateral wall of the air-out passageway 20a that corresponds of. One end of the spiral channel piece 3 is connected with the communication port 20b, the other end of the spiral channel piece 3 extends upwards spirally along the axial direction of the channel piece 2 to the side wall of the dust cup body 1, and the other end of the spiral channel piece 3 is communicated with the inside of the dust cup body 1.
For example, as shown in fig. 1 to 6, the dust cup body 1 may include a dust cup tube 11, an upper cover 12 and a lower cover 13, the dust cup tube 11 may be formed in a substantially cylindrical structure, the upper cover 12 covers an upper end of the dust cup tube 11, the lower cover 13 covers a lower end of the dust cup tube 11, a dust collecting cavity is defined between the dust cup tube 11 and the lower cover 13, the air inlet may be located on the lower cover 13, and the air outlet may be located on a side wall of the upper cover 12, so as to ensure an aesthetic property of the dust cup 100 and facilitate a layout of a passage in the dust cup 100. The channel member 2 may be substantially formed as a hollow structure and the channel member 2 may extend along an axial direction of the dust cup 100, the lower end of the air inlet channel 20a may be communicated with the air inlet, the upper end of the air outlet channel 20c may be communicated with the air outlet, the channel member 2 has a plurality of through holes 20d to form an inlet of the air outlet channel 20c, and the channel member 2 has a communication port 20b to form an outlet of the air inlet channel 20 a.
A spiral channel 30a is formed in the spiral channel member 3, the spiral channel 30a has a spiral inlet and a spiral outlet 30b, the spiral inlet is located at one end of the spiral channel 30a and is communicated with the communication port 20b, the spiral outlet 30b is located at the other end of the spiral channel 30a and the airflow at the spiral outlet 30b flows along the side wall of the dust cup body 1, wherein the part of the airflow at the spiral outlet 30b close to the side wall of the dust cup body 1 spirally flows downwards along the side wall of the dust cup body 1, and the part of the airflow at the outlet of the spiral channel 30a far away from the side wall of the dust cup body 1 spirally flows upwards.
Specifically, when the dust cup 100 is applied to a dust removing device such as a dust collector, etc., the dust removing device is operated, negative pressure is generated at the air inlet, dust air flows into the dust cup 100 from the air inlet along the air inlet channel 20a and flows into the spiral channel 30a from the communication port 20b, the dust air spirally flows in the spiral channel 30a, so that impurities in the dust air, such as dust, etc., are concentrated near the wall surface of the spiral channel 30a close to the side wall of the dust cup body 1 under the action of centrifugal force; when the dirt gas flows out from spiral outlet 30b, impurity flows to the collection dirt intracavity along the downward spiral of lateral wall of dirt cup body 1, in order to realize the collection of impurity, and the partial air current that is close to 2 central axes of passageway spare of spiral outlet 30b department is comparatively clean and this partial air current upwards spiral flows, and through the secondary filtration of a plurality of through-holes 20d, flow to air-out passageway 20c after purifying, finally flow by the air outlet, thereby the effect of dirt gas separation has been reached, the dirt gas separation efficiency has been improved, the purpose of removing dust has been realized, simultaneously the simple structure of dirt cup 100, be convenient for clear up and pressure loss are lower.
According to the dust cup 100 of the embodiment of the invention, the spiral channel piece 3 extends upwards to the side wall of the dust cup body 1 along the axial direction of the channel piece 2 in a spiral manner, when the dust cup 100 is applied to a dust removing device such as a dust collector, impurities are concentrated in the area close to the side wall of the dust cup body 1 at the spiral outlet 30b, and the impurities can flow downwards along the side wall of the dust cup body 1 along with air flow in a spiral manner and are finally collected in the dust collecting cavity, so that the dust-air separation effect is achieved, the dust-air separation efficiency is improved, the pressure loss is reduced, and meanwhile, the dust cup 100 is simple in structure and convenient to clean.
In an embodiment of the present invention, as shown in fig. 2 to 6, the spiral channel member 3 includes a first air guiding plate 31, a second air guiding plate 32, a first enclosing plate 33 and a second enclosing plate, one end of the first air guiding plate 31 is connected to one side of the communication port 20b, the other end of the first air guiding plate 31 extends upward along a spiral line around the axial direction of the channel member 2 to be connected to the sidewall of the dust cup body 1, the second air guiding plate 32 is disposed inside the first air guiding plate 31, one end of the second air guiding plate 32 is connected to the channel member 2, the second air guiding plate 32 is connected to the other side of the communication port 20b, and the other end of the second air guiding plate 32 and the other end of the first air guiding plate 31 are spaced apart from each other, so that a spiral outlet 30b is defined between the first air guiding plate 31 and the second air guiding plate 32; the first enclosing plate 33 is connected between the tops of the first air guiding plate 31 and the second air guiding plate 32, the second enclosing plate is connected between the bottoms of the first air guiding plate 31 and the second air guiding plate 32, and the second enclosing plate, the first air guiding plate 31, the second air guiding plate 32 and the first enclosing plate 33 define a spiral channel 30a together. Therefore, the spiral channel piece 3 has simple structure, low cost and higher dust-gas separation efficiency.
Optionally, on the cross section of the dust cup body 1, the first air deflector 31 and the second air deflector 32 may both extend along the archimedean spiral, which is beneficial to improving the dust-gas separation efficiency.
In a further embodiment of the present invention, as shown in fig. 2, 5 and 6, a spiral outlet 30b is defined between the other end of the second air guiding plate 32 and the corresponding other end of the first air guiding plate 31, and the other end of the second air guiding plate 32 extends to the other end beyond the first air guiding plate 31, so that the portion of the other end of the second air guiding plate 32 beyond the other end of the first air guiding plate 31 better guides the airflow at the spiral outlet 30b, and the portion of the airflow at the spiral outlet 30b, which is close to the sidewall of the dust cup body 1, spirally flows downwards along the sidewall of the dust cup body 1 into the dust collecting cavity, thereby preventing the back-mixing and escape of impurities and ensuring the dust-air separation efficiency.
In an alternative embodiment of the present invention, the portion of the first air guiding plate 31 adjacent to the communication port 20b has a guiding transition section, and the guiding transition section is formed as a curved section protruding towards the direction away from the center of the channel member 2, so that the guiding transition section can better guide the air flow at the communication port 20b, and the air flow at the communication port 20b smoothly flows along the guiding transition section, thereby further reducing the pressure loss.
Further alternatively, the guide transition section is formed as a circular arc section protruding toward the direction away from the center of the passage member 2, so that the guide transition section is simple in structure, easy to process, and easy to achieve a smooth transition from the communication port 20b to the spiral passage 30 a.
In an alternative embodiment of the present invention, the spiral passage member 3 is a volute structure, so as to further improve the dust-air separation efficiency of the dust cup 100.
In the embodiment of the present invention, as shown in fig. 2, in the cross section of the dust cup body 1, the width of the spiral passage member 3 is gradually reduced along the flowing direction of the dust and air, that is, the width of the spiral passage member 3 in the radial direction of the dust cup body 1 is gradually reduced along the flowing direction of the dust and air in the cross section of the dust cup body 1, so that the flow velocity of the dust and air is gradually increased when the dust and air flows in the spiral passage 30a, which is beneficial to achieving dust and air separation and improving dust and air separation efficiency.
Optionally, as shown in fig. 3 to 6, the cross-sectional area of the air inlet channel 20a is smaller than that of the air outlet channel 20c, so that the flow velocity of the air flow in the air inlet channel 20a is larger than that of the air flow in the air outlet channel 20c, thereby increasing the amount of the impurities sucked in to a certain extent and improving the cleaning efficiency.
As shown in fig. 2 to 6, the duct member 2 may be formed substantially in a cylindrical structure, the duct member 2 may extend linearly in the axial direction of the dust cup body 1, and the duct member 2 may be disposed coaxially with the dust cup body 1, so that the air inlet duct 20a and the air outlet duct 20c may both extend substantially linearly, further reducing the pressure loss, and having a simple structure.
In addition, the dirt cup tube 11 may be a transparent member to facilitate the user to observe the dirt-air separation, the impurity collection, etc. of the dirt cup 100. When the dust collecting chamber has a large amount of impurities, the user can open the lower cover 13 to remove the impurities in the dust collecting chamber and open the upper cover 12 to clean the dust cup 100. It is understood that the upper lid 12 can be snap fit or pivotally connected to the dirt cup holder 11 and the lower lid 13 can be snap fit or pivotally connected to the dirt cup holder 11, but is not limited thereto.
A vacuum cleaner in accordance with an embodiment of the second aspect of the present invention includes a dirt cup 100 in accordance with the above-described embodiment of the first aspect of the present invention. The vacuum cleaner may be an upright vacuum cleaner, but is not limited thereto.
According to the dust collector provided by the embodiment of the invention, by adopting the dust cup 100, the dust collector has a simple structure, is convenient to clean, and has high dust-air separation efficiency and low pressure loss.
Other constructions and operations of the vacuum cleaner according to embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A dirt cup, comprising:
the dust cup comprises a dust cup body, wherein an air inlet is formed at the bottom of the dust cup body, and an air outlet is formed at the top of the dust cup body;
the channel piece is arranged in the dust cup body, the lower end of the channel piece is connected with the air inlet, the upper end of the channel piece is connected with the air outlet, a partition piece is arranged in the channel piece to divide the interior of the channel piece into an air outlet channel and an air inlet channel positioned below the air outlet channel, a plurality of through holes are formed in the side wall of the channel piece corresponding to the air outlet channel, the plurality of through holes form the inlet of the air outlet channel, a communication port is formed in the side wall of the channel piece corresponding to the air inlet channel, and the communication port forms the outlet of the air inlet channel;
one end of the spiral channel piece is connected with the communication port, a spiral outlet is formed at the other end of the spiral channel piece so that the other end of the spiral channel piece is communicated with the interior of the dust cup body, and the other end of the spiral channel piece spirally extends upwards to the side wall of the dust cup body along the axial direction of the channel piece so that the spiral outlet faces towards the side wall of the dust cup body.
2. The dirt cup of claim 1, wherein said spiral channel member comprises:
one end of the first air deflector is connected with one side of the communication port, and the other end of the first air deflector is connected with the side wall of the dust cup body;
the second air deflector is arranged on the inner side of the first air deflector, one end of the second air deflector is connected with the channel piece, and the other end of the second air deflector and the other end of the first air deflector are spaced from each other to limit the spiral outlet;
the first enclosing plate is connected between the tops of the first air deflector and the second air deflector;
the second enclosing plate is connected between the bottoms of the first air deflector and the second air deflector, and the second enclosing plate, the first air deflector, the second air deflector and the first enclosing plate jointly define a spiral channel.
3. The dirt cup of claim 2, wherein the other end of the second air deflector extends beyond the other end of the first air deflector.
4. The dirt cup of claim 2, wherein a portion of the first air deflector adjacent the communication opening has a guide transition formed as a curved section that bulges away from a center of the channel member.
5. The dirt cup of claim 4, wherein said guide transition is formed as a circular arc segment that projects away from the center of said channel member.
6. The dirt cup of claim 1, wherein the spiral channel member is of a volute type construction.
7. The dirt cup of claim 1, wherein said spiral channel member has a width that gradually decreases in a direction of flow of the dirt gas in a cross-section of said dirt cup body.
8. The dirt cup of claim 1, wherein the cross-sectional area of the inlet air channel is less than the cross-sectional area of the outlet air channel.
9. The dirt cup of claim 1, wherein said channel member extends linearly in an axial direction of said dirt cup body.
10. A vacuum cleaner comprising a dirt cup according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104655.3A CN107898383B (en) | 2017-11-10 | 2017-11-10 | Dust cup and dust collector with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711104655.3A CN107898383B (en) | 2017-11-10 | 2017-11-10 | Dust cup and dust collector with same |
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| CN107898383A CN107898383A (en) | 2018-04-13 |
| CN107898383B true CN107898383B (en) | 2020-09-11 |
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| CN201711104655.3A Active CN107898383B (en) | 2017-11-10 | 2017-11-10 | Dust cup and dust collector with same |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109008793B (en) * | 2018-09-30 | 2024-02-27 | 北京小狗吸尘器集团股份有限公司 | Air inlet mechanism and dust collector |
| JP2022514046A (en) * | 2018-12-17 | 2022-02-09 | 蘇州市格美納電器有限公司 | Flat separator and vacuum cleaner |
| CN110353566A (en) * | 2019-07-24 | 2019-10-22 | 苏州圣佳洁智能科技有限公司 | A kind of light-weighted dirt cup of volume |
| EP4171340A4 (en) * | 2020-06-24 | 2024-07-24 | Milwaukee Electric Tool Corp | Vacuum cleaner with liquid retention |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2778546B1 (en) * | 1998-05-15 | 2000-06-30 | Seb Sa | TANGENTIAL WASTE SEPARATION VACUUM |
| KR20000067037A (en) * | 1999-04-22 | 2000-11-15 | 구자홍 | cyclone dust collector |
| KR100607440B1 (en) * | 2004-09-13 | 2006-08-02 | 삼성광주전자 주식회사 | Cyclone dust collector and vacuum cleaner having the same |
| CN1951302A (en) * | 2005-10-17 | 2007-04-25 | 乐金电子(天津)电器有限公司 | Dust collector of vacuum cleaner |
| JP4743233B2 (en) * | 2008-06-18 | 2011-08-10 | 三菱電機株式会社 | Vacuum cleaner |
| CN105011857B (en) * | 2014-04-14 | 2017-11-14 | 江苏美的清洁电器股份有限公司 | Dust catcher |
| CN105559692A (en) * | 2014-10-10 | 2016-05-11 | 江苏美的清洁电器股份有限公司 | Dust cup component of dust collector and dust collector provided with dust cup component |
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