WO2022021599A1 - Dispositif de filtration et aspirateur - Google Patents

Dispositif de filtration et aspirateur Download PDF

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Publication number
WO2022021599A1
WO2022021599A1 PCT/CN2020/118894 CN2020118894W WO2022021599A1 WO 2022021599 A1 WO2022021599 A1 WO 2022021599A1 CN 2020118894 W CN2020118894 W CN 2020118894W WO 2022021599 A1 WO2022021599 A1 WO 2022021599A1
Authority
WO
WIPO (PCT)
Prior art keywords
positioning portion
filter
knob
dust filter
filter assembly
Prior art date
Application number
PCT/CN2020/118894
Other languages
English (en)
Chinese (zh)
Inventor
李迎亮
刘海平
朱锦昌
Original Assignee
天佑电器（苏州）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 天佑电器（苏州）有限公司 filed Critical 天佑电器（苏州）有限公司
Publication of WO2022021599A1 publication Critical patent/WO2022021599A1/fr

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Classifications

    • 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
    • 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
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours

Definitions

  • the utility model relates to a filter device and a vacuum cleaner, in particular to a filter device and a vacuum cleaner which can avoid sealing failure during assembly.
  • a vacuum cleaner is a common household cleaning device that separates dust and debris from the air. By far, filtration is the most common and effective solution for gas and dust separation.
  • the filter device needs to be frequently removed from the vacuum cleaner during use. For example, a large amount of dust will accumulate on the filter device of the vacuum cleaner after being used for a period of time.
  • the existing replaceable filter installs the filter on the dust filter bar through the chassis, and there may be various installation and use states, including the completely uninstalled state, the incompletely installed state and the fully installed state, where the completely uninstalled state refers to the chassis.
  • Disengaged from the dust filter bar the filter is not attached to the vacuum cleaner;
  • the incompletely installed state means that the chassis is matched with the dust filter bar, the filter has been attached to the vacuum cleaner but not installed in place, resulting in the failure of the seal between the chassis and the dust filter bar.
  • the phenomenon of dust leakage; the fully installed state means that the chassis is matched with the dust filter bar, the filter has been attached to the vacuum cleaner and installed in place, and the seal between the chassis and the dust filter bar is effective and can be used normally.
  • the utility model provides a filter device and a vacuum cleaner which can avoid sealing failure during assembly.
  • the utility model provides a filter device, which comprises:
  • the end of the dust filter bar is provided with a first positioning part
  • a locking member which includes a second positioning portion and a third positioning portion, the third positioning portion is restricted on the filter assembly, and the second positioning portion is detachably engaged with the first positioning portion;
  • the elastic element when the fastener is in the locking position, the elastic element is in a compressed state, and the second positioning portion cooperates with the first positioning portion to connect the filter assembly to the dust filter bar; the When the locking member deviates from the locking position, the second positioning portion is at least partially disengaged from the first positioning portion, and the elastic element provides a force on the filter assembly to make the filter assembly free from the filter assembly. The dust filter bar is disengaged.
  • the locking member is a knob, the knob rotates in a first rotation direction to reach the locking position, and the knob rotates in a second rotation direction to unlock from the locking position.
  • the first positioning portion includes two separate annular rib plates that are detachably fitted with the knob, and when the knob is matched with the annular rib plate, the two Separate annular rib plates are located on both sides of the rotating shaft of the knob.
  • the filter assembly includes a separate filter element and a chassis, and the third positioning portion is limited on the chassis.
  • the elastic element includes a compression spring or an elastic sheet, one end of the compression spring or elastic sheet is fixed on the dust filter bar or the chassis, and the other end of the compression spring or elastic sheet is a free end.
  • the elastic element includes a torsion spring, one end of the torsion spring is fixed on the dust filter bar or the chassis, and the other end of the torsion spring is fixed on the knob.
  • the utility model also provides a filter device, which includes:
  • the end of the dust filter bar is provided with a first positioning part
  • a locking member which includes a second positioning portion and a third positioning portion, the third positioning portion is restricted on the filter assembly, and the second positioning portion is detachably engaged with the first positioning portion;
  • the second positioning portion when the locking member is in the locking position, the second positioning portion cooperates with the first positioning portion to connect the filter assembly to the dust filter bar; when the locking member deviates from the locking position, The second positioning portion is disengaged from the first positioning portion, and the filter assembly is disengaged from the dust filter bar under the action of its own gravity.
  • the first positioning portion is an annular rib, and the first positioning portion includes a limiting rib, a supporting rib, and a climbing rib.
  • the climbing rib is The plate is located upstream of the support rib, and the limiting rib is located downstream of the support rib.
  • the utility model also provides a vacuum cleaner including the filtering device.
  • the filter assembly when the filter assembly is installed in the present invention, the filter assembly can automatically pop up or fall off when the locking member deviates from the locking position, so that the user can find and fix the filter assembly in time. Therefore, the situation of sealing failure of the filter assembly during the assembly process is effectively avoided, and the failure of the motor caused by the poor sealing is also avoided.
  • the locking member is set as a knob, and the rotary operation of the knob can make the filter assembly move between the locking position and the deviating locking position, which is convenient for the user to operate.
  • the utility model separates the filter element and the chassis, which is convenient for assembly.
  • the first positioning part of the utility model includes a climbing rib plate, which is beneficial for the user to achieve locking through a rotating operation.
  • FIG. 1 is an exploded schematic view of a filter device and a lower cover of the present invention
  • Fig. 2 is the three-dimensional structure diagram of the dust filter bar in the filter device of the present invention.
  • Fig. 3 is the top view of Fig. 2;
  • FIG. 4 is a first installation state diagram of the first embodiment of the filter device of the present invention, wherein the locking member is inserted into the through hole, the elastic element is a compression spring, and the compression spring is not yet compressed;
  • Fig. 5 is the enlarged schematic diagram of area A in Fig. 4;
  • Fig. 6 is the second installation state diagram of the first embodiment of the filter device of the present invention, wherein the arm moves on the climbing rib, and the compression spring has been compressed;
  • Fig. 7 is the enlarged schematic diagram of area B in Fig. 6;
  • Fig. 8 is the third installation state diagram of the first embodiment of the filter device of the present invention, wherein the arm has moved to the support rib plate, and the compression spring is in the maximum compression state;
  • Fig. 9 is the enlarged schematic diagram of area C in Fig. 8.
  • Fig. 10 is the installation state diagram of the second embodiment of the filter device of the present invention, wherein the climbing rib is 90 degrees;
  • Fig. 11 is the enlarged schematic diagram of area D in Fig. 10;
  • FIG. 12 is a schematic structural diagram of the third embodiment of the filter device of the present invention in which the elastic element is an elastic sheet;
  • FIG. 13 is a schematic structural diagram of the third embodiment of the filter device of the present invention in which the elastic element is a torsion spring;
  • Fig. 14 is the installation state diagram of the third embodiment of the filter device of the present invention, wherein the arm has been moved to the support rib plate, the elastic element is a shrapnel, and the shrapnel is in a state of maximum compression;
  • Fig. 15 is an enlarged schematic view of region E in Fig. 14;
  • FIG. 16 is a view of the installation state of the third embodiment of the filter device of the present invention, wherein the arm has moved to the support rib plate, the elastic element is a torsion spring, and the torsion spring is in a state of maximum compression;
  • FIG. 17 is an enlarged schematic view of the area F in FIG. 16 .
  • plural means at least two, such as two, three, etc., unless otherwise expressly and specifically defined.
  • the terms “installation”, “connection”, “connection”, “fixed” and other terms should be understood in a broad sense, for example, it may be a fixed connection or a detachable connection Connection, or integration; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal communication between the two elements or the interaction relationship between the two elements.
  • the specific meanings of the above terms in the present invention can be understood according to specific situations.
  • a first feature "on” or “under” a second feature may include the first and second features in direct contact, or may include the first and second features The features are not in direct contact but through additional features between them.
  • the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the vacuum cleaner of the present invention includes a dust collecting bucket, a body assembly detachably connected to the dust collecting bucket and accommodating a motor, and a filter device detachably connected to the body assembly.
  • the vacuum cleaner of the utility model can be any one of a barrel vacuum cleaner, a vertical vacuum cleaner or a horizontal vacuum cleaner, and a replaceable filter assembly is arranged in the vacuum cleaner.
  • the utility model provides a filter device, which comprises:
  • the dust filter bar 10, the end of the dust filter bar 10 is provided with a first positioning part 11;
  • the filter assembly 20 is sleeved outside the dust filter column 10;
  • the locking member 40 includes a second positioning portion 41 and a third positioning portion 42 , the third positioning portion 42 is restricted on the filter assembly 20 , the second positioning portion 41 and the first positioning portion 11 releasably cooperate;
  • the elastic element 30 when the fastener 40 is in the locking position, the elastic element 30 is in a compressed state, and the second positioning portion 41 cooperates with the first positioning portion 11 to connect the filter assembly 20 to the dust filter
  • the second positioning portion 41 and the first positioning portion 11 are at least partially disengaged, and the elastic element 30 provides a force to the filter assembly 20 to disengage the filter assembly 20 from the dust filter bar 10 .
  • the dust filter bar 10 is detachably connected to the body assembly, for example, the dust filter bar 10 is connected to the lower cover 1 of the body assembly.
  • the dust filter bar 10 includes several longitudinal ribs and several transverse ribs and allows air to flow therethrough. When the dust filter bar 10 is connected to the body assembly, the dust filter bar 10 extends into the dust collecting bucket (not shown).
  • the dust filter bar 10 can be directly connected to the fuselage assembly, or can be connected to the fuselage assembly through an adapter.
  • the end of the dust filter bar 10 is provided with a through hole 12 , and the second positioning portion 41 of the locking member 40 penetrates through the through hole from the outside of the dust filter bar 10 .
  • the second positioning portion 41 is dislocated from the through hole 12 , so that the second positioning portion 41 and the first positioning portion 11 abut against each other.
  • the shape of the through hole 12 is adapted to the shape of the fastener 40 , the shape of the through hole 12 is a non-circular through hole, and the through hole 12 has a first radial dimension in the first radial direction, and has a first radial dimension in the second radial direction.
  • the direction has a second radial dimension, and the first radial dimension is not equal to the second radial dimension.
  • the through hole 12 can be a single regular shape through hole, or a compound hole, which is formed by combining a plurality of holes with different shapes.
  • the through hole 12 in this embodiment is formed by combining a round hole and a long and narrow through hole. .
  • the through hole 12 enables a portion of the fastener 40 to be clamped outside the through hole 12 , and the second positioning portion 41 of the fastener 40 penetrates through the through hole 12 .
  • the locking member 40 is a knob, and the knob rotates along a first rotation direction to reach the locked position, and the knob rotates along a second rotation direction to unlock from the locked position.
  • the first positioning portion 11 includes two separate annular rib plates that are detachably fitted with the knob, and the knob and the annular rib are located between the knob and the annular rib.
  • the two separated annular rib plates are located on both sides of the rotating shaft of the knob.
  • the second positioning portion 41 is a rotatable arm extending in a direction perpendicular to the rotation axis.
  • the rotatable arm is respectively connected to The two annular ribs abut against each other.
  • the filter assembly 20 includes a filter element 22 and a bottom plate 23 which are formed separately, and the third positioning portion 42 is limited on the bottom plate 23 .
  • the utility model separates the filter element 22 and the chassis 23, which is convenient for assembly.
  • the filter element 22 may be made from a variety of suitable filter materials including, but not limited to, paper; cloth; fiberglass materials; splitfiber materials; material; felt material; natural fiber filter material; the filter element 22 may be pleated or pleated, or it may be non-pleated according to actual conditions. Regardless of the material used to form the filter element 22, the filter element 22 is folded into multiple pleats and formed into a generally cylindrical or tube-like shape with a corrugated or pleated appearance, thereby increasing the exposed surface area. Such folds increase the area of the filter element 22 in contact with the airflow during operation of the vacuum apparatus, thereby effectively improving filtration without reducing airflow.
  • suitable filter materials including, but not limited to, paper; cloth; fiberglass materials; splitfiber materials; material; felt material; natural fiber filter material; the filter element 22 may be pleated or pleated, or it may be non-pleated according to actual conditions. Regardless of the material used to form the filter element 22, the filter element 22 is folded into multiple pleats and formed into a generally cylindrical or tube-like shape with a
  • the elastic element 30 includes a compression spring 31 or an elastic sheet 32, and one end of the compression spring 31 or the elastic sheet 32 is fixed on the dust filter bar 10 or the chassis 23, so the The other end of the compression spring 31 or the shrapnel 32 is the free end.
  • the free end of the compression spring 31 or the shrapnel 32 abuts the chassis 23, and is connected between the chassis 23 and the dust filter.
  • the spacing between the columns 22 is constantly getting smaller and is in a state of elastic compression to accumulate the elastic force that keeps the chassis 23 away from the dust filter column 10.
  • the elastic force of the elastic element 30 can make the chassis 23 It automatically pops up in the direction away from the dust filter bar 10 .
  • the number of the compression springs 31 or elastic pieces 32 can be set as required, and can be one or more.
  • a guide groove for guiding the movement of the compression spring 31 or the elastic sheet 32 can be provided on the dust filter bar 10 .
  • the elastic element 30 includes a torsion spring 33, one end of the torsion spring 33 is fixed on the dust filter bar 10 or the chassis 23, and the other end of the torsion spring 33 fixed on the knob.
  • the torsion spring 33 provides the knob with a reverse restoring force, so that the knob returns to the initial position when the knob is not installed in place, so that the second positioning portion 41 is disengaged from the through hole 12 .
  • the first positioning portion 11 includes a limiting rib 111 , a supporting rib 112 and a climbing rib 113 .
  • the climbing rib 113 is located upstream of the support rib 112
  • the limiting rib 111 is located downstream of the support rib 112
  • a protruding point 114 is provided at the end of the climbing rib 113 .
  • the torsion spring 33 can not be automatically reset at the locking position, and the rotating arm of the knob will stop at the protruding point after jumping over the protruding point 114 in the first rotation direction. 114, and when the force exerted on the knob in the second rotation direction reaches a predetermined magnitude, the arm jumps over the protuberance 114 and returns to the initial position.
  • one end of the torsion spring 33 is fixed on the chassis 23, and the other end of the torsion spring 33 is fixed on the knob, so that the chassis 23 and the knob always maintain a relative position without (that is, when the chassis 23 is not installed, the knob returns to the initial position through the reset function of the torsion spring 33.
  • the torsion spring The reset function of 33 makes the knob return to the initial position of installation, so that the filter assembly 20 automatically falls off, which is convenient for customers to find and tighten the knob.
  • one end of the torsion spring 33 is fixed on the dust filter bar 10
  • the other end of the torsion spring 33 is fixed on the knob
  • one end of the torsion spring 33 is fixed on the knob
  • one end is fixed on the knob.
  • On the dust filter bar 10 keep the relative position unchanged. In this way, by rotating the knob, the knob will be subjected to the reaction force of the torsion spring.
  • the reset function of the torsion spring 33 will automatically return to the initial position, so that the filter assembly 20 will fall off automatically. This makes it easier for the customer to find and tighten the knob.
  • the included angle of the climbing rib 113 relative to the cross section of the dust filter bar 10 is 30°-90°. The smaller the included angle is, when the knob is assembled, the rotation of the knob will drive the arm to slide along the slope, and the climbing rib 113 provides the knob to transition from the deviated locking position to the locking position. Glides more smoothly.
  • a material with better lubricity can be used to make the knob, or lubricating oil can be applied between the jib and the climbing rib.
  • the dust filter bar 10 is first fixed on the machine head assembly, then the elastic element 30 is installed on the bottom of the dust filter bar 10, the filter element 22 is installed outside the dust filter bar 10, and then the chassis 23 is installed. Then, rotate the knob according to the first rotation direction, and tighten the filter element 22 through the climbing rib 113 of the dust filter bar 10. After crossing the climbing rib 113 and overcoming the ejection force of the elastic element 30, the rotating arm of the knob and the dust filter bar are in contact with each other. The supporting ribs 112 are abutted and fitted to reach the tightened state. During this process, the elastic element 30 is compressed from the initial state.
  • a first sealing member for example, a first sealing member, is sandwiched between the chassis 23 and the filter element 22 .
  • the base plate and the filter element are sealedly connected through the first sealing member, and a second sealing member 50 is sandwiched between the knob and the base plate, and the second sealing member 50 is used to seal the connection.
  • the knob is sealed with the chassis 23 .
  • the knob does not go over the top of the climbing rib 113 (eg, the protruding point 114 )
  • the chassis 23 will automatically bounce up due to the ejection force of the elastic element 30 and the guiding effect of the climbing rib 113 ; that is, the filter core 22 will automatically fall off without the support of the chassis 23 .
  • the user can be effectively reminded to find out that the filter element 22 and the chassis 23 are not assembled properly and re-installed in time before use, which can effectively avoid the leakage of dust caused by the failure of the sealing of the filter assembly 20, so as to ensure the normal operation of the motor. Work.
  • the elastic element 30 can also be omitted as required, and the self-gravity is used for fool-proof setting.
  • the ejection force on the chassis 23 (the self-gravity of the filter assembly 20 ) is greater than the frictional force, the chassis 23 It can fall off automatically.
  • the utility model also provides a vacuum cleaner, which includes:
  • the dust filter bar 10, the end of the dust filter bar 10 is provided with a first positioning part 11;
  • the filter assembly 20 is sleeved outside the dust filter column 10;
  • the locking member 40 includes a second positioning portion 41 and a third positioning portion 42 , the third positioning portion 42 is restricted on the filter assembly 20 , the second positioning portion 41 and the first positioning portion 11 releasably cooperate;
  • the second positioning portion 41 cooperates with the first positioning portion 11 to connect the filter assembly 20 to the dust filter bar 10; the locking member 40 When deviating from the locking position, the second positioning portion 41 is disengaged from the first positioning portion 11 , and the filter assembly 20 is disengaged from the dust filter bar 10 under the action of its own gravity.
  • an elastic element 30 needs to be added to increase the ejection force to help it fall off.
  • the first positioning portion 11 is an annular rib, and the first positioning portion 11 includes a limiting rib 111 , a supporting rib 112 and a climbing rib 113 .
  • the climbing rib 113 is located upstream of the supporting rib 112
  • the limiting rib 111 is located downstream of the supporting rib 112 .
  • the included angle of the climbing rib 113 relative to the cross section of the dust filter bar 10 is 30°-90°. As shown in FIG. 11 , the climbing rib 113 is opposite to The included angle between the cross section of the dust filter bar 10 is 90°.
  • the knob can be pressed first, and when the surface of the arm and the support rib 112 is matched to the height of the support rib 112 of the dust filter bar 10 , the knob can be rotated to make the arm against the support rib 112 .
  • the chassis 23 will fall off automatically by the self-gravity of the filter assembly 20 , and the filter element 22 will also fall off automatically because there is no support from the chassis 23 . If the elastic element 30 is provided in the filter device, if it is not pressed in place, the chassis 23 will automatically fall off by superimposing the ejection force of the elastic element 30 by the self-gravity of the filter assembly 20, and the filter element 22 will also automatically fall off because there is no support from the chassis 23.
  • the smaller the included angle is, when the knob is rotated for assembly, the rotation of the knob will drive the arm to slide along the slope, and the climbing rib 113 provides the knob to lock from the deviation
  • the fixed position transitions to the locked position, and the smaller the included angle, the smoother the arm slides.
  • a material with better lubricity can be used to make the knob, or lubricating oil can be applied between the jib and the climbing rib 113 .
  • the filter assembly when the filter assembly is installed in the present invention, when the locking member deviates from the locking position, the filter assembly can automatically pop up or fall off, so that the user can find and fix the filter assembly in time, thereby effectively This avoids the failure of the sealing of the filter assembly during the assembly process, and also avoids the poor dust suction effect caused by the poor sealing.
  • the locking member is set as a knob, and the rotation operation of the rotation can make the filter assembly move between the locking position and the deviating locking position, which is convenient for the user to operate.
  • the utility model separates the filter element and the chassis, which is convenient for assembly.
  • the first positioning part of the utility model includes a climbing rib plate, which is beneficial for the user to achieve locking through a rotating operation.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)
  • Filtering Of Dispersed Particles In Gases (AREA)

Abstract

Dispositif de filtration et aspirateur. Le dispositif de filtration comprend une barrière de filtration de poussière (10), un ensemble filtre (20), un élément élastique (30) et un élément de verrouillage (40), une première partie de positionnement (11) étant disposée au niveau d'une partie d'extrémité de la barrière de filtration de poussière (10) ; l'ensemble filtre (20) est emmanché à l'extérieur de la barrière de filtration de poussière (10) ; l'élément élastique (30) est intercalé entre la barrière de filtration de poussière (10) et l'ensemble filtre (20) ; l'élément de verrouillage (40) comprend une deuxième partie de positionnement (41) et une troisième partie de positionnement (42), la troisième partie de positionnement (42) est limitée à l'ensemble filtre (20), et la deuxième partie de positionnement (41) est équipée de manière amovible de la première partie de positionnement (11) ; et lorsque l'élément de verrouillage (40) est dévié à partir d'une position verrouillée, la deuxième partie de positionnement (41) est au moins partiellement détachée de la première partie de positionnement (11), et l'élément élastique (30) fournit une force d'action sur l'ensemble filtre (20) de sorte que l'ensemble filtre (20) est détaché de la barrière de filtration de poussière (10). La présente invention évite efficacement la situation de défaillance de joint pendant l'assemblage de l'ensemble filtre (20).
PCT/CN2020/118894 2020-07-27 2020-09-29 Dispositif de filtration et aspirateur WO2022021599A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202021507210.7 2020-07-27
CN202021507210.7U CN214208236U (zh) 2020-07-27 2020-07-27 过滤装置与吸尘器

Publications (1)

Publication Number Publication Date
WO2022021599A1 true WO2022021599A1 (fr) 2022-02-03

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ID=77672811

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Application Number Title Priority Date Filing Date
PCT/CN2020/118894 WO2022021599A1 (fr) 2020-07-27 2020-09-29 Dispositif de filtration et aspirateur

Country Status (2)

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CN (1) CN214208236U (fr)
WO (1) WO2022021599A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160302631A1 (en) * 2015-04-18 2016-10-20 Francisco Guerra Vacuum cleaner with scent attachment
CN205831725U (zh) * 2016-03-29 2016-12-28 江苏美的清洁电器股份有限公司 吸尘器
CN106388705A (zh) * 2016-11-08 2017-02-15 苏州欧圣电气工业有限公司 过滤组件、过滤装置及吸尘器
CN206729835U (zh) * 2016-11-08 2017-12-12 苏州欧圣电气股份有限公司 过滤组件、过滤装置及吸尘器
CN110547722A (zh) * 2019-09-30 2019-12-10 珠海格力电器股份有限公司 吸尘器壳体及设有其的吸尘器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20160302631A1 (en) * 2015-04-18 2016-10-20 Francisco Guerra Vacuum cleaner with scent attachment
CN205831725U (zh) * 2016-03-29 2016-12-28 江苏美的清洁电器股份有限公司 吸尘器
CN106388705A (zh) * 2016-11-08 2017-02-15 苏州欧圣电气工业有限公司 过滤组件、过滤装置及吸尘器
CN206729835U (zh) * 2016-11-08 2017-12-12 苏州欧圣电气股份有限公司 过滤组件、过滤装置及吸尘器
CN110547722A (zh) * 2019-09-30 2019-12-10 珠海格力电器股份有限公司 吸尘器壳体及设有其的吸尘器

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