CN107692929B - Dust cup and dust collector with same - Google Patents
Dust cup and dust collector with same Download PDFInfo
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- CN107692929B CN107692929B CN201711078672.4A CN201711078672A CN107692929B CN 107692929 B CN107692929 B CN 107692929B CN 201711078672 A CN201711078672 A CN 201711078672A CN 107692929 B CN107692929 B CN 107692929B
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- channel
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- dust cup
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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
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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
- A47L9/1683—Dust collecting chambers; Dust collecting receptacles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filters For Electric Vacuum Cleaners (AREA)
- Cyclones (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 and an air outlet are formed on the dust cup body; the channel piece is arranged in the dust cup body, a partition piece is arranged in the channel piece to partition the interior of the channel piece into an air outlet channel and an air inlet 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 cyclone assembly is located the below of a plurality of through-holes, and the cyclone assembly includes a cyclone and a spiral guide, and the spiral guide is connected between the internal perisporium of a cyclone and the periphery wall of passageway spare, and the spiral guide extends along the axial spiral of passageway spare, and prescribes a limit to the screw channel between spiral guide, a cyclone and the passageway spare, and the import and the intercommunication mouth intercommunication of screw channel. 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 according to a first invention embodiment 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; the cyclone assembly is positioned below the through holes and comprises a cyclone cylinder and a spiral guide piece, the cyclone cylinder is sleeved outside the channel piece, the spiral guide piece is connected between the inner peripheral wall of the cyclone cylinder and the outer peripheral wall of the channel piece, the spiral guide piece spirally extends along the axial direction of the channel piece, a spiral channel is defined among the spiral guide piece, the cyclone cylinder and the channel piece, and the inlet of the spiral channel is communicated with the communication port.
According to the dust cup provided by the embodiment of the invention, the cyclone assembly is arranged below the through holes, so that when the dust cup is applied to a dust removal device such as a dust collector, impurities in the spiral channel are more easily concentrated near the wall surface of the spiral channel close to the side wall of the dust cup body, and the part of the impurities close to the through holes is prevented from directly passing through the through holes to flow into the air outlet channel, so that the dust-air separation 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 partition is a partition plate, and an upper end surface of the cyclone is lower than the partition; or the upper end surface of the cyclone cylinder is flush with the separating piece, so that the concentration of impurities is favorably improved, and the dust-gas separation efficiency is improved.
According to some embodiments of the invention, a guiding transition section is connected between the side wall of the communication port far away from the spiral guiding piece and the cyclone barrel, and the guiding transition section is formed into a curved surface section protruding towards the direction far away from the center of the channel piece, so that the airflow 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 helical guide spirals in 1.25 turns.
According to some embodiments of the invention, the helix angle of the helical guide is 15 °.
According to some embodiments of the invention, the lead of the helical guide is 39 mm.
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.
According to some embodiments of the invention, the vacuum cleaner is an upright vacuum cleaner.
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 schematic structural view of a dirt cup according to an embodiment of the present invention;
FIG. 2 is a front view of the dirt cup shown in FIG. 1;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a cross-sectional view taken along line B-B of FIG. 2;
FIG. 5 is a cross-sectional view taken along line C-C of FIG. 2;
FIG. 6 is a cross-sectional view taken along line D-D of FIG. 3;
fig. 7 is a sectional view taken along line E-E of fig. 3.
Reference numerals:
a dust cup 100,
A dust cup body 1, an air inlet 10a, an air outlet 10b, a dust collecting cavity 10c, a dust cup tube 11, an upper cover 12, a lower cover 13, a channel piece 2, a separating piece 21, a guide transition section 22,
An air inlet channel 20a, a communication port 20b, an air outlet channel 20c, a through hole 20d,
A cyclone assembly 3, a cyclone cylinder 31, a spiral guide piece 32,
And 4, filtering cotton.
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," "length," "upper," "lower," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of description and simplicity of 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 present 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. 1-7.
As shown in fig. 1 to 7, a dirt cup 100 according to an embodiment of the present invention includes a dirt cup body 1, a passage member 2, and a cyclone assembly 3.
The bottom of dirt cup body 1 is formed with air intake 10a and the top is formed with air outlet 10b, passageway piece 2 is established in dirt cup body 1, the lower extreme of passageway piece 2 links to each other with air intake 10a, the upper end of passageway piece 2 links to each other with air outlet 10b, be equipped with separator 21 in the passageway piece 2 in order to separate into air-out passageway 20c with passageway piece 2 is inside and be located the air inlet channel 20a of air-out passageway 20c below, be formed with a plurality of through-holes 20d on the lateral wall of the air outlet channel 20c that corresponds of passageway piece 2, be formed with intercommunication mouth 20b on the lateral wall of the air inlet channel 20a that corresponds of passageway piece 2. The cyclone assembly 3 is located below the plurality of through holes 20d, the cyclone assembly 3 comprises a cyclone cylinder 31 and a spiral guide piece 32, the cyclone cylinder 31 is sleeved outside the channel piece 2, the spiral guide piece 32 is connected between the inner peripheral wall of the cyclone cylinder 31 and the outer peripheral wall of the channel piece 2, the spiral guide piece 32 spirally extends along the axial direction of the channel piece 2, a spiral channel is defined among the spiral guide piece 32, the cyclone cylinder 31 and the channel piece 2, and the inlet of the spiral channel is communicated with the communication port 20 b.
For example, as shown in fig. 1 to 3, 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 10c is defined between the dust cup tube 11 and the lower cover 13, the air inlet 10a may be located on the lower cover 13, and the air outlet 10b 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 linearly along the axial direction of the dust cup 100, the lower end of the air inlet channel 20a may be communicated with the air inlet 10a, the upper end of the air outlet channel 20c may be communicated with the air outlet 10b, 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.
The cyclone 31 may be formed in a substantially cylindrical structure having an open upper end and a closed lower end, the spiral guide 32 spirally extends from bottom to top along the axial direction of the passage member 2, and the upper end of the cyclone 31 may be located above the upper end of the spiral guide 32 in the up-down direction.
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 10a, dust air flows into the dust cup 100 from the air inlet 10a along the air inlet channel 20a and flows into the spiral channel from the communication port 20b, and the dust air spirally flows in the spiral channel, so that impurities such as dust, etc. in the dust air are concentrated near the wall surface of the spiral channel close to the side wall of the dust cup body 1 under the action of centrifugal force; when the dust and air flow out from the outlet of the spiral channel, the dust and air firstly spirally flows upwards along the part of the cyclone cylinder 31 higher than the upper end of the spiral guide piece 32 until the part is separated from the cyclone cylinder 31, and then the impurities spirally flow downwards into the dust collection cavity 10c under the action of centrifugal force and self gravity to realize the collection of the impurities, and the cleaner air flow spirally flows upwards, and is filtered again through the through holes 20d, flows to the air outlet channel 20c after being purified, and finally flows out from the air outlet 10b, thereby achieving the effect of dust and air separation, realizing the purpose of dust removal, and simultaneously the dust cup 100 has a simple structure, is convenient to clean and has lower pressure loss. Because the cyclone component 3 is positioned below the through holes 20d, spiral flowing of impurities is facilitated and the impurities are concentrated near the wall surface of the spiral channel close to the side wall of the dust cup body 1, and meanwhile, the situation that the parts of the impurities close to the through holes 20d directly pass through the through holes 20d and flow into the air outlet channel 20c is avoided, and therefore dust-air separation efficiency is improved.
According to the dust cup 100 of the embodiment of the invention, by arranging the cyclone assembly 3 below the plurality of through holes 20d, when the dust cup 100 is applied to a dust removing device such as a dust collector, impurities in the spiral channel are more easily concentrated near the wall surface of the spiral channel close to the side wall of the dust cup body 1, and the part of the impurities close to the plurality of through holes 20d is prevented from directly passing through the through holes 20d to flow into the air outlet channel 20c, so that 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 some optional embodiments of the present invention, as shown in fig. 3 to 5, the partition 21 is a partition plate, and the upper end surface of the cyclone cylinder 31 is lower than the partition 21, so as to facilitate increasing the concentration of impurities, prevent the portion of the impurities near the plurality of through holes 20d from directly passing through the through holes 20d to flow into the air outlet channel 20c, and improve the dust-air separation efficiency.
In other optional embodiments of the present invention, the partition 21 is a partition plate, and the upper end surface of the cyclone cylinder 31 is flush with the partition 21, which is also beneficial to improve the concentration of impurities, so as to prevent the part of the impurities close to the plurality of through holes 20d from directly passing through the through holes 20d and flowing into the air outlet channel 20c, thereby ensuring the dust-air separation efficiency.
In a further embodiment of the present invention, a guiding transition section 22 is connected between the sidewall of the communication port 20b far from the spiral guide 32 and the cyclone 31, and the guiding transition section 22 is formed as a curved section protruding toward the direction far from the center of the channel member 2, so that the guiding transition section 22 can better guide the airflow at the communication port 20b, and the airflow at the communication port 20b smoothly flows along the guiding transition section 22, further reducing the pressure loss.
Alternatively, as shown in fig. 6 and 7, the guide transition section 22 is formed as a circular arc section protruding away from the center of the tunnel member 2, so that the guide transition section 22 has a simple structure, is easy to process, and easily achieves a smooth transition from the communication port 20b to the spiral passage.
In the embodiment of the present invention, as shown in fig. 3-7, the spiral guide 32 has 1.25 spiral turns, so that the dust and air can flow spirally better under the guidance of the spiral guide 32, and the impurities in the dust and air can be concentrated near the wall surface of the spiral channel close to the sidewall of the dust cup body 1 under the action of centrifugal force, which is beneficial to improving the concentration of the impurities, thereby further improving the dust and air separation efficiency.
It will be appreciated that the number of turns of the helix of the helical guide 32 may be specifically set according to practical circumstances to better meet practical applications, for example, but not limited thereto, the number of turns of the helical guide 32 may be varied within a certain range with respect to 1.25 turns.
Specifically, as shown in fig. 3-7, the helix angle of the helical guide 32 is 15 °, which avoids the problem that the rotation speed of the impurities is low and the concentration of the impurities is poor due to the fact that the dust and air climb too fast when the dust and air flow in the helical channel, thereby facilitating the improvement of the concentration of the impurities and improving the dust and air separation efficiency.
It is understood that the lead angle of the screw guide 32 may be specifically set according to actual conditions to better meet practical applications, for example, the lead angle of the screw guide 32 may be varied within a certain range with respect to 15 °, but is not limited thereto.
As shown in fig. 3-7, the spiral guide 32 extends along a spiral line, and the lead (axial distance between corresponding points of two adjacent teeth of the spiral guide 32) of the spiral guide 32 is 39mm, which can also prevent the dust gas from climbing too fast in the spiral flow in the spiral channel to cause the low rotation speed of the impurities and the poor concentration of the impurities, thereby facilitating the increase of the concentration of the impurities and improving the dust-gas separation efficiency.
It will be appreciated that the lead of the helical guide 32 may be specifically set according to practical circumstances to better meet practical applications, for example, but not limited to, the lead of the helical guide 32 may vary within a certain range with respect to 39 mm.
As shown in fig. 3, the duct member 2 may be formed substantially in a cylindrical structure, the duct member 2 may extend linearly along 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, thereby further reducing pressure loss, and having a simple structure.
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.
A dirt cup 100 according to an embodiment of the present invention is described in detail below in one particular embodiment with reference to fig. 1-7. It is to be understood that the following description is only exemplary, and not a specific limitation of the invention.
As shown in fig. 1 to 7, the dust cup 100 includes a dust cup body 1, a duct member 2, and a cyclone assembly 3, the dust cup body 1 includes a dust cup tube 11, an upper cover 12, and a lower cover 13, the dust cup tube 11 is formed into a substantially conical structure, the upper cover 12 is disposed at an upper end of the dust cup tube 11, an air outlet 10b is formed on a side wall of the upper cover 12, the lower cover 13 is disposed at a lower end of the dust cup tube 11, an air inlet 10a is formed on the lower cover 13, and a dust collecting cavity 10c is defined between the dust cup tube 11 and the lower cover 13. The channel member 2 is arranged in the dust cup body 1, the channel member 2 is roughly formed into a cylindrical structure, the channel member 2 extends along the axial straight line of the dust cup 100, the channel member 2 and the dust cup body 1 are coaxially arranged, a partition member 21 is arranged in the channel member 2 to divide the interior of the channel member 2 into an air outlet channel 20c and an air inlet channel 20a located below the air outlet channel 20c, the lower end of the air inlet channel 20a is communicated with the air inlet 10a, the upper end of the air outlet channel 20c is communicated with the air outlet 10b, a plurality of through holes 20d are formed in the channel member 2 to form an inlet of the air outlet channel 20c, and a communication port 20b is formed in the channel member 2 to form an outlet of the air inlet. The cyclone assembly 3 is located below the plurality of through holes 20d, the cyclone assembly 3 comprises a cyclone cylinder 31 and a spiral guide 32, the cyclone cylinder 31 is sleeved outside the channel member 2, the cyclone cylinder 31 is roughly formed into a cylindrical structure with an open upper end and a closed lower end, the spiral guide 32 is connected between the inner peripheral wall of the cyclone cylinder 31 and the outer peripheral wall of the channel member 2, the spiral guide 32 spirally extends along the axial direction of the channel member 2, the number of spiral turns of the spiral guide 32 is 1.25, the helix angle of the spiral guide 32 is 15 degrees, the lead of the spiral guide 32 is 39mm, a spiral channel is defined among the spiral guide 32, the cyclone cylinder 31 and the channel member 2, and the inlet of the spiral channel is communicated with the communication port 20 b. Wherein, the upper end of the cyclone 31 is located above the upper end of the spiral guide 32 in the up-down direction.
Specifically, the partition 21 is a partition plate, and the upper end surface of the cyclone 31 is lower than the upper end of the partition 21. As shown in fig. 6 and 7, a guiding transition section 22 is connected between the sidewall of the communication port 20b far from the spiral guide 32 and the cyclone 31, and the guiding transition section 22 is formed as a circular arc section protruding toward the direction far from the center of the passage member 2, so as to better guide the airflow at the communication port 20b into the spiral passage. Be equipped with filter pulp 4 in the upper cover 12, filter pulp 4 is located between air-out passageway 20c and air outlet 10b and further filters the air current, promotes the dust collection rate.
The dust cup tube 11 is a transparent member to facilitate the user to observe the dust-air separation, impurity collection, etc. of the dust cup 100. When the dust collecting chamber 10c has a large amount of collected foreign substances, the user can open the lower cover 13 to remove the foreign substances from the dust collecting chamber 10c and open the upper cover 12 to clean the dust cup. 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.
When the dust cup 100 is applied to a dust removing device such as a dust collector, etc., the dust removing device operates, negative pressure is generated at the air inlet 10a, dust gas flows into the dust cup 100 from the air inlet 10a along the air inlet channel 20a and flows into the spiral channel from the communication port 20b, and the dust gas spirally flows in the spiral channel, so that impurities such as dust, etc. in the dust gas are concentrated near the wall surface of the spiral channel close to the side wall of the dust cup body 1 under the action of centrifugal force; when the dust and air flows out from the outlet of the spiral channel, the dust and air firstly spirally flows upwards along the part of the cyclone cylinder 31 higher than the upper end of the spiral guide piece 32 until the part is separated from the cyclone cylinder 31, and then the impurities spirally flow downwards into the dust collection cavity 10c under the action of centrifugal force and self gravity to realize the collection of the impurities, and the cleaner air flow spirally flows upwards, and is filtered again through the through holes 20d and the filter cotton 4 and flows out from the air outlet 10b after being purified, thereby achieving the effect of dust and air separation, improving the dust and air separation efficiency, realizing the purpose of dust removal, having good dust removal rate, and simultaneously the dust cup 100 has simple structure, is convenient to clean and has lower pressure loss. However, the pressure loss can be reduced to some extent by increasing the size of the through holes 20d and increasing the number of the through holes 20 d.
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, and a communication opening is formed in the side wall of the channel piece corresponding to the air inlet channel;
the cyclone assembly is positioned below the through holes and comprises a cyclone cylinder and a spiral guide piece, the cyclone cylinder is sleeved outside the channel piece, the spiral guide piece is connected between the inner peripheral wall of the cyclone cylinder and the outer peripheral wall of the channel piece, the spiral guide piece spirally extends along the axial direction of the channel piece, a spiral channel is defined among the spiral guide piece, the cyclone cylinder and the channel piece, and the inlet of the spiral channel is communicated with the communication port.
2. The dirt cup of claim 1, wherein the divider is a divider plate,
the upper end surface of the cyclone cylinder is lower than the separator; or
The upper end surface of the cyclone cylinder is flush with the separator.
3. The dirt cup of claim 1 or 2, wherein a guide transition is connected between the sidewall of the communication opening remote from the helical guide and the cyclone barrel, and the guide transition is formed as a curved section that is convex in a direction away from the center of the passage member.
4. The dirt cup of claim 3, wherein said guide transition is formed as a circular arc segment that projects away from the center of said channel member.
5. The dirt cup of claim 1, wherein the helical guide spirals for 1.25 turns.
6. The dirt cup of claim 1, wherein the helix angle of the helical guide is 15 °.
7. The dirt cup of claim 1, wherein the helical guide has a lead of 39 mm.
8. The dirt cup of claim 1, wherein said channel member extends linearly in an axial direction of said dirt cup body.
9. A vacuum cleaner comprising a dirt cup according to any one of claims 1-8.
10. A vacuum cleaner as claimed in claim 9, wherein the vacuum cleaner is an upright vacuum cleaner.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711078672.4A CN107692929B (en) | 2017-11-06 | 2017-11-06 | Dust cup and dust collector with same |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711078672.4A CN107692929B (en) | 2017-11-06 | 2017-11-06 | Dust cup and dust collector with same |
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| CN107692929A CN107692929A (en) | 2018-02-16 |
| CN107692929B true CN107692929B (en) | 2020-07-03 |
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| CN110384434A (en) * | 2018-04-23 | 2019-10-29 | 美的集团股份有限公司 | Series connection cyclone separation dust cup and dust catcher |
| CN108514376B (en) * | 2018-06-13 | 2023-08-04 | 江苏美的清洁电器股份有限公司 | Cyclone separator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100387179C (en) * | 2006-03-06 | 2008-05-14 | 王跃旦 | Cyclone type dust cup of vacuum cleaner |
| KR20080076045A (en) * | 2007-02-14 | 2008-08-20 | 삼성광주전자 주식회사 | Multi cyclone dust collecting apparatus having filter |
| CN104997468B (en) * | 2014-04-14 | 2017-12-01 | 江苏美的清洁电器股份有限公司 | The dust collect plant of dust catcher |
| CN104644058B (en) * | 2015-03-12 | 2017-02-01 | 江苏美的清洁电器股份有限公司 | Dust cup for dust collector and dust collector |
| CN204562014U (en) * | 2015-04-17 | 2015-08-19 | 小狗电器（北京）有限公司 | A kind of cyclone body dirt cup with wind-guiding spiral plate |
| CN105615773A (en) * | 2016-03-02 | 2016-06-01 | 江苏美的清洁电器股份有限公司 | Dust collecting unit for dust collector and dust collector with dust collecting unit |
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| Publication number | Publication date |
|---|---|
| CN107692929A (en) | 2018-02-16 |
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