WO2021062947A1 - Aspirateur industriel - Google Patents

Aspirateur industriel Download PDF

Info

Publication number
WO2021062947A1
WO2021062947A1 PCT/CN2019/125145 CN2019125145W WO2021062947A1 WO 2021062947 A1 WO2021062947 A1 WO 2021062947A1 CN 2019125145 W CN2019125145 W CN 2019125145W WO 2021062947 A1 WO2021062947 A1 WO 2021062947A1
Authority
WO
WIPO (PCT)
Prior art keywords
dust
vacuum cleaner
industrial vacuum
bucket
separation device
Prior art date
Application number
PCT/CN2019/125145
Other languages
English (en)
Chinese (zh)
Inventor
张士松
张骥
毋宏兵
钟红风
Original Assignee
苏州宝时得电动工具有限公司
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 苏州宝时得电动工具有限公司 filed Critical 苏州宝时得电动工具有限公司
Publication of WO2021062947A1 publication Critical patent/WO2021062947A1/fr

Links

Images

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
    • A47L7/00—Suction cleaners adapted for additional purposes; Tables with suction openings for cleaning purposes; Containers for cleaning articles by suction; Suction cleaners adapted to cleaning of brushes; Suction cleaners adapted to taking-up liquids
    • 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
    • A47L9/16—Arrangement or disposition of cyclones or other devices with centrifugal action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
    • B04C—APPARATUS USING FREE VORTEX FLOW, e.g. CYCLONES
    • B04C5/00—Apparatus in which the axial direction of the vortex is reversed
    • B04C5/24—Multiple arrangement thereof
    • B04C5/26—Multiple arrangement thereof for series flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00—Cleaning by methods involving the use of air flow or gas flow
    • B08B5/04—Cleaning by suction, with or without auxiliary action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00—Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06—Dust extraction equipment on grinding or polishing machines

Definitions

  • the invention relates to an industrial vacuum cleaner.
  • Industrial vacuum cleaners are usually used to collect large areas of dust-generating sites; or directly connected to the dust outlet of dust-producing tools, such as grinders, sanders, slotting machines, etc.; or processing metal, plastic or other concrete or stone, etc. material.
  • These vacuum cleaners usually include a dust collection bucket, a motor and a fan that generate airflow, a separation filter device, a power switch, a power cord with a plug, and so on.
  • the motor and the fan generate a vacuum, and the dust-laden air enters the separation filter device through the suction pipe.
  • the technical problem to be solved by the present invention is to provide an industrial vacuum cleaner that can sustain large suction power and resist clogging.
  • an industrial vacuum cleaner comprising: a dust suction duct; an air flow generating device for generating air flow by inhaling air from the dust suction duct, and the air flow generating device includes A motor, a fan driven by the motor; a first-level separation device, including a dust bucket, the dust bucket includes a receiving cavity, the receiving cavity is in communication with the dust suction duct; a connecting channel, including an inlet and an outlet, wherein the The inlet is in communication with the containing cavity; a secondary separation device, the secondary separation device communicates with the outlet and the air flow generating device.
  • the industrial vacuum cleaner of the present invention is provided with a connecting channel between the primary and secondary separation devices, so that the industrial vacuum cleaner can continuously vacuum with large suction power, and the work efficiency is improved.
  • the inner diameter of the dust bucket ranges from 200 mm to 500 mm.
  • the inner diameter of the dust bucket ranges from 250 mm to 400 mm.
  • the industrial vacuum cleaner has a rated power P, and the ratio of the diameter of the primary separator to the rated power P ranges from 0.133 to 0.625 mm/W.
  • the industrial vacuum cleaner has a rated power P, and the ratio of the diameter of the primary separator to the rated power P ranges from 0.167 to 0.5 mm/W.
  • the secondary separation device is provided with a dust cup for collecting dust, and the ratio of the effective volume of the dust bucket to the effective volume of the dust cup is in the range of 6-12.
  • the secondary separation device is provided with a dust cup for collecting dust, and the ratio of the effective volume of the dust bucket to the effective volume of the dust cup is in the range of 7-11.
  • the secondary separation device is provided with a dust cup for collecting dust, the effective volume of the dust bucket is greater than or equal to 5L; the effective volume of the dust cup is greater than or equal to 0.8L.
  • At least part of at least one of the motor and the secondary separation device extends into the receiving cavity.
  • the industrial vacuum cleaner is further provided with a mounting seat detachably connected to the dust bucket, and the air flow generating device is arranged on the mounting seat.
  • the mounting seat is provided with a accommodating cavity accommodated in the accommodating cavity, and the accommodating cavity at least partially accommodates the motor.
  • the accommodating cavity at least partially accommodates the secondary separation device.
  • the secondary separation device is provided with a dust cup extending into the containing cavity
  • the dust cup includes a peripheral wall, wherein one end of the peripheral wall is connected to the mounting seat, and the other end of the peripheral wall is provided with There is a sealing cover movably connected with the peripheral wall.
  • the secondary separation device is provided with a dust cup extending into the receiving cavity, a bracket is provided in the dust bucket, the dust cup is connected to the dust bucket through the bracket, and the dust cup
  • the ash pouring port faces the same direction as the ash pouring port of the dust bucket.
  • the two-stage separation device includes a two-stage separator
  • the two-stage separator includes a separation part, an end cover connected to the separation part
  • the separation part includes a plurality of separation bodies.
  • the main body is provided with an inner cavity penetrating the main body, one end of the inner cavity is provided with an ash inlet on the side wall, and the other end of the inner cavity is an ash outlet, wherein the ash inlet and the air inlet Partly connected, the ash outlet is in communication with the dust cup;
  • the end cover is provided with an air outlet pipe partially communicated with the air outlet, and the air outlet pipe is located in the inner cavity.
  • the end cover and the separation part are detachably connected to the secondary separation device, including an air inlet part communicating with the outlet, an air outlet part communicating with the airflow generating device, a communicating air inlet part, and A secondary separator in the air outlet part and a dust cup communicating with the secondary separator.
  • the separation part is provided with an ash inlet cavity, and the ash inlet cavity communicates with the ash inlet and the air inlet part.
  • an air outlet cavity is provided on the end cover, and the air outlet cavity communicates with the air outlet pipe and the air outlet portion.
  • the inlet is not lower than the lower surface of the dust cup.
  • the dust cup is located in the containing cavity.
  • the secondary separation device includes an air inlet part communicating with the outlet, an air outlet part communicating with the airflow generating device, a secondary separator communicating with the air inlet part and the air outlet part, and the two Dust cup connected to the stage separator.
  • the connecting channel is detachably connected with the mounting seat.
  • a through hole is further provided on the mounting seat, and the through hole communicates with the connecting channel and the secondary separation device.
  • the dust cup has a lower bottom surface for collecting dust; the dust bucket has a lower bottom surface for collecting dust, wherein the bottom surface is higher than the bottom surface of the dust bucket.
  • the separation part is provided with an ash inlet cavity, and the ash inlet cavity communicates with the ash inlet and the air inlet part.
  • an air outlet cavity is provided on the end cover, and the air outlet cavity communicates with the air outlet pipe and the air outlet portion.
  • a sealing element is provided between the end cap and the separation part.
  • the dust cup includes a conical outer peripheral surface.
  • the connecting channel passes through the dust cup.
  • the axis of the secondary separator is parallel to the axis of the motor.
  • a three-stage separation device is provided between the two-stage separation device and the air flow generating device.
  • Figure 1 is a three-dimensional schematic diagram of the industrial vacuum cleaner of the present invention.
  • Fig. 2 is an exploded perspective view of the industrial vacuum cleaner shown in Fig. 1.
  • Fig. 3 is a perspective view of the mounting base of the industrial vacuum cleaner shown in Fig. 1.
  • Fig. 4 is another perspective view of the mounting seat shown in Fig. 3.
  • Fig. 5 is a cross-sectional view of the industrial vacuum cleaner shown in Fig. 1.
  • Fig. 6 is a three-dimensional exploded view of the secondary separation device of the industrial vacuum cleaner shown in Fig. 1.
  • Fig. 7 is a further perspective exploded view of the two-stage separation device shown in Fig. 6.
  • Fig. 8 is a schematic diagram of the installation seat of the industrial vacuum cleaner shown in Fig. 1 removed from the dust bucket, in which part of the dust bucket is removed.
  • Fig. 9 is a three-dimensional schematic diagram of another structure of the dust cup.
  • Fig. 10 and Fig. 11 are a three-dimensional schematic diagram and a three-dimensional exploded view of another structure of the dust cup.
  • the industrial vacuum cleaner 100 includes an airflow generating device 30, a separating device 32 communicating with the airflow generating device 30, and a dust bucket 34 for collecting dust.
  • the lower part of the dust bucket 34 can be installed on the base 36, and a number of rollers 38 are arranged below the base 36 to enable the vacuum cleaner 100 to be easily moved as required.
  • the upper part of the dust bucket 34 can be provided with a protective cover 40, which can cover the airflow generating device 30 to protect the airflow generating device 30, and can also be provided with a handle 42 to facilitate the movement of the vacuum cleaner 100.
  • the industrial vacuum cleaner 100 of the present application is only a habitual name, and does not limit its use occasions.
  • the industrial vacuum cleaner 100 can be widely used in various occasions such as rooms and workshops to perform cleaning work.
  • the main switch 44 of the vacuum cleaner 100 can also be arranged on the protective cover 40.
  • the industrial vacuum cleaner is provided with a power cord 41 that can be electrically connected to the airflow generating device 30, and an AC power source is used to power the industrial vacuum cleaner.
  • a DC power supply such as a battery pack, can also be used for power supply.
  • the protective cover 40 is also provided with a socket 43, which can provide power for other machines. For example, power tools such as grinders and slotting machines can be plugged in, so that when the power tool starts to work, dust can be collected at the same time, which is very convenient.
  • the upper part of the dust bucket 34 includes an opening 52 covered by a detachable mounting seat 50.
  • the opening 52 is also a dust pouring port.
  • the mounting base 50 can be fastened to the dust bucket 34 via any conventional means (such as one or more fastening mechanisms 51).
  • the plane where the opening 52 is located can be defined as the opening plane. It can be understood that the dust bucket 34 and the mounting seat 50 can be hermetically mated.
  • the seal fit may be a seal fit achieved through a form fit, that is, a seal is achieved directly through the shape fit of the dust bucket 34 and the mounting seat 50 without a seal.
  • the sealing fit can also be an elastic fit, that is, the dust bucket 34 is provided with a seal between the mounting seats 50, and the seal fit is realized through the deformation of the seal.
  • the air flow generating device 30 is installed on the mounting seat 50. 2 to 4, the mounting seat 50 includes a seat body 54 and a body 56 extending downward along the seat body 54.
  • the seat body 54 has an upper surface 58 facing away from the dust bucket 34 and an upper surface extending downward along the upper surface.
  • the flange 60 and the upper surface 58 are located behind the lower surface.
  • At least one reinforcing rib 61 is provided on the lower surface to increase the strength and stability of the base 54.
  • the flange 60 is designed to be assembled on the outer surface of the upper part of the dust bucket 34, and the body 56 extends into the dust bucket 34.
  • the body 56 includes an inner wall 64, a bottom wall 66 connected to the inner wall 64, and a receiving cavity 68.
  • the accommodating cavity 68 can be used for accommodating the air flow generating device 30.
  • the mounting base 50 may be made of a suitable conventional material (for example, plastic or metal).
  • the dust suction duct 70 is disposed on the mounting base 50.
  • the dust suction duct 70 is disposed on the upper surface 58 of the mounting base 50, and can be connected to a dust suction hose or nozzle for sucking dust.
  • dust is only a habitual name, which does not mean that the vacuum cleaner can only collect dust.
  • the dust in this embodiment is any dirt to be cleaned, such as dust generated when sanding the wall, wood chips generated from wood processing, and so on.
  • the dust suction duct 70 can also be arranged on the dust bucket 34.
  • the airflow generating device 30 generates suction airflow required for cleaning operations by forming a suction force at the dust suction duct 70 and a discharge force at the exhaust port.
  • the air flow generating device 30 includes a motor 72 and a fan 74 driven by the motor 72, wherein the motor 72 is rotatably arranged in the motor housing 76 around the motor axis X.
  • the dust bucket 34 extends in the longitudinal direction, and the motor axis X is parallel to the longitudinal extension axis of the dust bucket 34.
  • the motor housing 76 is detachably fixed on the mounting base 50 and can be removed together with the mounting base 50.
  • the motor housing 76 may be connected to the bottom wall 66 of the mounting base 50 by fastening elements (such as screws).
  • the motor housing 76 can also be formed integrally with the mounting base 50.
  • an integral structure can be understood as a material-locked connection, such as by welding, bonding, or integral molding, such as manufacturing by a casting.
  • the exhaust port 78 is provided on the motor housing 76 and corresponds to the fan 74.
  • the exhaust port 78 may be in the form of a grille, or an exhaust grill communicating with the exhaust port may be installed at the exhaust port.
  • the air flow generating device 30 is at least partially contained in the containing cavity 68, that is, at least partially extends into the dust bucket 34.
  • the motor 72 extends at least partially into the dust bucket 34; in another embodiment, more than half of the length of the motor 72 in the direction of the axis X extends into the dust bucket 34, that is, the motor 72 is on the axis X. More than half of the length in the direction is below the opening plane.
  • the separation device 32 is provided with at least two stages of separation devices, including a first stage separation device 80 and a second stage separation device 82.
  • the first-stage separation device 80 is not designed with a screen filter.
  • the first-stage separating device 80 includes a first-stage separator.
  • the dust bucket 34 is used as the first-stage separator.
  • the dust bucket 34 includes a side wall 84, a receiving cavity 86, and a lower bottom surface 109.
  • the side wall 84 and the lower bottom surface form a receiving cavity 86, and the receiving cavity 86 is connected with the dust suction duct 70 to separate dust, and at the same time, it can be used to collect dust.
  • the shape of the outer surface of the side wall 84 can be varied, and is not limited to a circular or conical shape.
  • the inner surface of the side wall 84 may be cylindrical or conical.
  • the dust suction duct 70 brings the dust-laden airflow into the interior of the first-stage separator in a direction tangential to the side wall 84, so as to establish a vortex inside the first-stage separator. This vortex is directed downwards from the top wall in the dust bucket 34.
  • the swirling effect in the primary separator removes most of the dust entrained in the suction airflow, and promotes the deposition of dust on the bottom surface 109 of the dust bucket 34.
  • the separation efficiency of the primary separator will affect the performance of the whole machine. Generally, the separation efficiency of the entire vacuum cleaner is about 95%, while the separation efficiency of the first-stage separator is above 65%, or even about 80%. However, if the primary separation efficiency is low, the dust entering the downstream separator (such as the secondary separator) will increase greatly, causing the downstream separator (such as the secondary separator) to be too late to separate, and the dust will be discharged; or blockage will occur, causing The machine is not working properly.
  • the diameter of the primary separator also affects the separation efficiency. If the diameter is too small, such as less than 200mm, the vortex velocity inside the primary separator is relatively high, instead of using dust to deposit in the dust bucket 34; it will even drive the dust deposited in the dust bucket 34 into the downstream separation
  • the separator reduces the separation efficiency. If the diameter is too large, such as greater than 500mm, the vortex velocity inside the first-stage separator is relatively low, which is not conducive to dust deposition, and the separation efficiency of the first-stage separator is reduced; then the dust content entering the downstream separator increases, then It will cause the downstream separator (such as the secondary separator) to be discharged before separation; or blockage will occur, making the machine unable to work normally and affecting the performance of the whole machine.
  • the inner diameter of the dust bucket 34 is in the range of 200 mm to 500 mm, that is, the diameter of the primary separator is in the range of 200 mm to 500 mm; or the circumference of the dust bucket is in the range of 628 mm to 1570 mm.
  • the inner diameter of the dust bucket 34 ranges from 250 mm to 400 mm, that is, the diameter of the primary separator ranges from 250 mm to 400 mm.
  • the inner diameter of the primary separator can also be 300mm, 350mm, etc.
  • the ratio of the diameter of the primary separator to the rated power P of the vacuum cleaner is preferably selected. If the rated power P of the vacuum cleaner is very high and the diameter of the primary separator is too small, the vortex velocity inside the primary separator will increase relatively, which will not be conducive to the dust deposition in the dust bucket 34; The dust in the dust bucket 34 enters the downstream separator, resulting in low separation efficiency. If the rated power P of the vacuum cleaner is low, and the diameter of the primary separator is larger, the vortex velocity inside the primary separator will be lower, and the dust will not be separated and deposited in the dust bucket 34, and will be carried. Into the downstream separator, it is unfavorable to improve the separation efficiency of the first-stage separator.
  • the rated power P is generally between 800W and 1500W. In order to improve the performance of the whole machine, it is better to choose the ratio of the diameter of the primary separator to the rated power P of the vacuum cleaner in the range of 0.133 ⁇ 0.625mm/W. In an alternative embodiment, the ratio of the diameter of the primary separator to the rated power P of the vacuum cleaner ranges from 0.167 to 0.5 mm/W. In an alternative embodiment, the ratio of the diameter of the primary separator to the rated power P of the vacuum cleaner is 0.3 mm/W.
  • One of the more common use environments of the vacuum cleaner of the present invention is engineering environments such as decoration. Due to the large amount of dust, the dust bucket 34 is used as the primary separator, and the ratio of the primary separator to the rated power P is preferably selected. , So that the separation efficiency is high, and it is not easy to be blocked, and then it can continue to suck the dust with large suction.
  • the dust bucket 34 can be made of a transparent or translucent material, and the dust collection in the dust bucket can be directly observed through the side wall 84 without opening the mounting seat 50 to determine whether it needs to be dumped. dust.
  • the secondary separation device 82 is in communication with the primary separation device 80 through the connecting passage 88.
  • the connecting passage 88 has a substantially cylindrical part, and includes an inlet 90 communicating with the receiving cavity 86, an outlet 92 communicating with the secondary separation device 82, and a closed pipe communicating the inlet 90 and the outlet 92.
  • This design avoids blockages between the primary and secondary separation devices 80 and 82, so that the industrial vacuum cleaner can continue to vacuum with high suction.
  • the inlet 90 can be provided with a grid-type filter that is not easy to be clogged to prevent inhalation of large areas of paper dust and cause clogging.
  • the bottom wall 66 of the mounting seat 50 is provided with a through hole 94.
  • the connecting channel 88 is connected to the bottom wall 66 of the mounting seat 50, and the outlet 92 of the connecting channel 88 is in communication with the through hole 94.
  • the connecting channel 88 can also pass through the through hole 94 to communicate with the secondary separation device 82; in another embodiment, the air inlet portion of the secondary separation device 82 can also pass through the through hole 94 to connect The outlet 92 of the passage 88 communicates.
  • the connecting channel 88 can be fixedly or detachably connected to the mounting seat 50 and is located in the receiving cavity 86 of the dust bucket 34.
  • the connecting passage 88 has an axis that coincides with the longitudinal extension axis of the dust bucket 34.
  • the connecting passage 88 may also have an axis deviating from the longitudinal axis of the dust bucket, such as a curved axis, so that the position of the inlet 90 can be changed.
  • the cylindrical portion of the connecting passage 88 may have a variable size, for example, the cylindrical portion may include a decreasing cross-sectional area.
  • connection channel 88, the through hole 94, and the secondary separation device 82 may be in a sealed fit through a form fit, or may be sealed in fit through a sealing element. Furthermore, the sealing effect of the air passage from the receiving cavity 86 to the secondary separation device 82 is ensured.
  • one end of the connecting channel 88 communicating with the receiving cavity 86 is provided with a hollow support frame 87 protruding outward into the receiving cavity 86, and a floating ball 89 capable of closing the entrance of the channel is provided in the support frame 87.
  • the floating ball 89 is located upstream of the secondary separation device 82 on the flow path of the airflow, that is, the airflow first passes through the position of the floating ball 89 and then flows to the secondary separation device 82 through the connecting channel 88.
  • the float ball 89 When the water level reaches the warning, the float ball 89 will move up. Blocking the inlet 90 of the connecting channel 88 makes the air flow unable to flow normally. At this time, the user can know that the water is full through the change of the air flow; it can also be set electronically. When the floating ball 89 blocks the connecting channel 88, the air flow can be detected The change starts the early warning whistle to remind the user that the water is full.
  • the water full here not only refers to pure liquid water, but also refers to flowing dust such as muddy water containing dust.
  • the secondary separation device 82 includes an air inlet portion 96 communicating with the outlet 92, an air outlet portion 98 communicating with the air flow generating device 30, and an air inlet portion 96 communicating with the air outlet portion 98.
  • the secondary separator 99 communicates with the secondary separator 99 and a dust cup 102 for accommodating dust.
  • the secondary separator 99 includes a separating part 103 and an end cover 104 connected to the separating part.
  • the air inlet part 96 communicates with the separating part 103
  • the air outlet part 98 communicates with the end cover 104.
  • the end cap 104 and the separation part 103 are detachably connected, which facilitates cleaning of the internal structure.
  • a sealing member 106 is provided between the end cap 104 and the separating portion 103, and the sealing member 106 is deformed to achieve a sealed connection. This design is convenient for disassembly and maintenance, and can also provide a good sealed space.
  • the end cover 104 includes an upper cover 108 and a lower cover 110, wherein the upper cover 108 and the lower cover 110 jointly form an air outlet cavity 112 communicating with the air outlet portion 98.
  • a sealing member 106 is provided between the upper cover 108 and the lower cover 110. The sealing member 106 is deformed to achieve a seal between the two, and the two can be connected together by a fastener.
  • the air outlet portion 98 includes a pipe communicating with the air outlet cavity 112; of course, the air outlet portion 98 may also include at least two pipes communicating with the air outlet cavity 112, thereby improving dust collection efficiency.
  • the separation part 103 includes a plurality of separation bodies 118. Each separation body 118 is provided with an inner cavity 120 passing through the body 118. An ash inlet 122 is opened on the side wall of one end of the inner cavity 120, and the other end of the inner cavity 120 is an ash outlet. The ash inlet 122 is in communication with the air inlet portion 96, and the ash outlet 124 is in communication with the dust cup 102, and the dust separated by the secondary separator 99 is discharged to the dust cup 102 through the ash outlet 124.
  • the end cover 104 is provided with an air outlet pipe 114 communicating with the air outlet, and the air outlet pipe 114 is located in the inner cavity 120.
  • a plurality of air outlet pipes 114 are located on the bottom wall of the lower cover 110.
  • Each air outlet pipe 114 has a substantially cylindrical shape and protrudes downward from the bottom wall.
  • the air outlet pipe 114 guides the clean air discharged from the secondary separator 99 to the air flow generating device 30 through the air outlet cavity 112.
  • the separating body 118 has a conical shape.
  • the separating body is not limited to a conical shape, and it may be a cylinder.
  • a plurality of tapered separation bodies 118 are arranged around the axis Y of the secondary separator, and can be arranged angularly or symmetrically around the axis Y of the secondary separator.
  • the axis Y of the secondary separator 99 is parallel to the axis X of the motor (as shown in FIG. 5). In a direction parallel to the axis X of the motor, the secondary separator 99 and the motor 72 at least partially overlap.
  • the air outlet portion 98 communicating with the airflow generating device 30 is almost flush with the airflow inlet of the airflow generating device 30, which is more conducive to the circulation of airflow.
  • the separating part 103 is provided with a barrier 126 which separates the end cap 104 and the separating part 103 to form a relatively independent space.
  • the blocking member 126 abuts against the upper surface 125 of the separating portion 103 and the inner diameter of the flange 127 to define an air passage from the air inlet portion 96 to each separating body 118, that is, the ash inlet cavity 128. Then flow from the ash inlet 128 to each ash inlet 122.
  • the blocking member 126 is fixed to the separation part 103 by the fixing plate 111.
  • the barrier 126 is provided with a hole through which the air outlet tube 114 passes, and the hole and the air outlet tube 114 are closely matched to form a relatively sealed space.
  • the connecting passage 88 introduces part of the cleaned air into the ash chamber 128, and then generally guides it tangentially to the ash inlet 122 of each separation body 118, causing a vortex-type swirling flow or a swirling flow.
  • the dust separated by each separating body 118 is collected into the dust cup 102 through the dust outlet 124.
  • the dust cup 102 and the dust bucket 34 are completely separated from each other, so that the air flow in one of them does not affect the air flow in the other. This further improves the dust collection efficiency of the vacuum cleaner.
  • the secondary separation device 82 is installed on the mounting seat 50. It is supported by the mounting base 50 and can be removed together with the mounting base 50, so that the secondary separation device 82 is convenient for cleaning and maintenance.
  • the outer surfaces of at least two of the plurality of separate bodies 118 are provided with connecting lugs 130, which are connected to the bottom of the mounting seat 50 through the connecting lugs 130 by fastening elements (such as screws).
  • 66 on the wall The bottom wall 66 is also provided with a plurality of tapered cavities 132 matched with the separating body 118 for receiving the other end of the separating body 118 provided with the ash outlet 124.
  • a sealing structure is also provided between the separation body 118 and the tapered cavity 132, which improves the sealing effect of the secondary separation device 82.
  • the air inlet portion 96 is also provided with a connecting lug 134, which is connected to the bottom wall 66 of the mounting seat 50 through the connecting lug 134 by a fastening element (such as a screw).
  • the secondary separation device 82 is at least partially accommodated in the accommodating cavity 68, and is arranged in an arc shape on the side of the air flow generating device 30, and the motor housing 76 can be at least partially accommodated in the arc-shaped opening, so designed, Makes the structure more compact.
  • the secondary separation device 82 at least partially extends into the dust bucket 34.
  • the separation part 103 at least partially extends into the dust bucket 34.
  • the separation portion 103 extends into the dust bucket 34, that is, the highest point of the separation portion 103 is not higher than the opening plane, and is all located below the opening plane.
  • the dust cup 102 surrounding or surrounding the plurality of separation bodies 118 includes a peripheral wall 136 and a bottom wall 138.
  • the dust cup 102 is also provided with an ash pouring port 142.
  • the dust cup 102 can be installed on the mounting seat 50 or on the dust bucket 34. Depending on the installation location, the location of the pouring port is also different.
  • the dust cup 102 is connected to the dust bucket 34.
  • the ash pouring port 142 is arranged in the same direction as the ash pouring port 52 of the dust bucket 34 and faces the mounting seat 50.
  • a bracket 140 is provided in the dust bucket 34.
  • the bracket 140 can extend upward from the bottom surface 109 of the dust bucket 34, and the bottom wall 138 of the dust cup 102 is connected with the bracket 140, so that the dust pouring port 142 of the dust cup 102 and the dust pouring port 52 of the dust bucket 34 are facing the same The direction of the seat body 54 of the mounting seat 50. In this way, after the mounting seat 50 is disassembled, the dust in the dust bucket 34 and the dust cup 102 can be disposed of at the same time, eliminating the trouble of discharging the dust separately.
  • the dust cup 102 can be made of transparent or translucent materials, so that the dust collection in the dust cup 102 can be directly observed to determine whether it is necessary to dump the dust.
  • the dust cup 102 and the mounting seat 50 are easy to disassemble and have a good sealing effect.
  • the outer diameter of the peripheral wall 136 of the dust cup 102 close to the upper end of the mounting seat 50 is adapted to the outer diameter of the bottom wall 66 of the mounting seat 50, and a seal (not shown) can surround the bottom wall of the mounting seat 50.
  • 66 is assembled to form a seal between the bottom wall 66 and the peripheral wall 136. In this way, it is easy to disassemble, and the sealing effect is good.
  • the dust cup 102 has a conical outer surface, and the cross section becomes smaller and smaller in the direction away from the mounting seat.
  • the shape of the dust cup 102 is not necessarily limited to a conical shape, it may be a cylinder, or other regular or irregular shapes.
  • the connecting channel 88 passes through the dust cup 102 and has a center line that coincides with the axis of the dust cup 102.
  • the connecting channel 88 can also be directly formed on the dust cup 102. That is, a connecting channel 88 extends upward from the bottom wall 138 of the dust cup 102 to communicate with the receiving cavity 86 and the air inlet portion 96.
  • the dust cup 102a has a different shape and installation method.
  • the dust cup 102 a surrounding or surrounding the plurality of tapered separation bodies 118 has a shape adapted to the separation portion 103.
  • the outer circumferential surface of the dust cup 102a is provided with a groove 103a for at least partially accommodating the connecting channel 88a, and the entrance 90a of the connecting channel 88a is arranged closer to the mounting seat 50.
  • the dust cup 102a includes a peripheral wall 136a and a sealing cover 160a movably arranged with the peripheral wall 136a.
  • the sealing cover 160a is movably connected to the peripheral wall 136a to seal the ash pouring port 142a.
  • one end of the sealing cover 160a is pivotally connected to the peripheral wall 136a, and a locking mechanism 162a is provided between the other end and the peripheral wall 136a, through which the sealing cover 160a can be fixedly connected to the peripheral wall 136a , In turn, the pouring port 142a can be sealed.
  • a sealing structure may be provided between the sealing cover 160a and the peripheral wall 136a to ensure the sealing effect of the dust cup 102a when the sealing cover 160a is not opened.
  • the locking mechanism 162a can have many forms.
  • the locking mechanism 162a includes a clamping portion 164a provided on the peripheral wall 136a, a matching portion 166a provided on the sealing cover 160a, wherein the matching portion 166a is provided with a slot 168a, and one end of the clamping portion 164a is provided There is a pressing end 170a for pressing; the other end is provided with a hook 172a matched with the groove 168a.
  • the hook 172a cooperates with the groove 168a, and the sealing cover 160a can be fixedly connected to the peripheral wall 136a to seal the ash pouring opening 142a; if ash needs to be poured, the mounting seat 50 is removed and the pressing end 170a is pressed to make the hook 172a It is disengaged from the card slot 168a, and the sealing cover 160a is rotated to expose the ash pouring port 142a, which facilitates ash pouring.
  • the dust cup 102b includes a peripheral wall 136b and a sealing cover 160b movably arranged with the peripheral wall 136a.
  • one end of the peripheral wall 136b close to the mounting base 50 is connected to the body 56 of the mounting base 50 by a fastener (screw); the other end of the peripheral wall 136b is an opening to provide an ash pouring port 142b for dumping dust.
  • the sealing cover 160b is movably connected to the other end of the peripheral wall 136b to seal the ash pouring port 142b.
  • the sealing cover 160b can be removed from the peripheral wall 136b, and a locking mechanism 180b is provided between the sealing cover 160b and the peripheral wall 136b. Through the locking mechanism 180b, the sealing cover 160b can be fixedly connected to the peripheral wall 136b, thereby sealing the ash pouring port 142b.
  • the locking mechanism 180b can have many forms.
  • the locking mechanism 180b includes a matching groove 182b provided on the peripheral wall 136b, a protrusion 184b provided on the sealing cover 160b, and the protrusion 184b cooperates with each other.
  • the rotation cooperation of the groove 182b realizes the mutual fixing of the sealing cover 160b and the peripheral wall 136b.
  • a sealing structure may be provided between the sealing cover 160b and the peripheral wall 136b to ensure the sealing effect of the dust cup 102b when the sealing cover 160b is not opened.
  • the connecting channel 88b can be connected to the sealing cover 160b, and this design can facilitate the maintenance of the connecting channel 88b when the sealing cover 160b is removed.
  • a sealing structure is provided between the connecting channel 88b and the through hole 94 (not shown) on the bottom wall 66 to ensure the sealing effect.
  • the connecting channels 88, 88a, 88b and the dust cup 102, 102a, 102b have different installation positions and installation methods, but preferably, the entrance of the connecting channels 88, 88a, 88b is not lower than the dust cup 102 , 102a, 102b bottom surface.
  • the lower surface of the dust cup 102, 102a, 102b means that the dust cup 102, 102a, 102b faces the lower bottom surface 109 of the dust bucket 34.
  • the final stage filter assembly 144 which is used to filter the exhaust air stream containing any pollutants just before it is discharged into the atmosphere.
  • the final stage filter assembly 144 includes a filter element 146 located downstream of the secondary separation device 82 and upstream of the air flow generating device 30.
  • the last-stage filter assembly 144 concentrates the cleaner air flow from the secondary separation device 82 and guides the cleaner air through the filter element 146 to filter any residual fine dust remaining in the discharged airflow, and The clean air flow merges into the air inlet (not shown) of the air flow generating device 30.
  • the filter element 146 is housed in the filter housing 148, and the filter housing 148 and the motor housing 76 are integrally formed.
  • the filter housing 148 is matched with a detachable cover 150, and the filter element 146 can be supported by the cover 150 and can be removed together with it.
  • the filter element 146 is easy to clean and maintain.
  • it can also be provided with a movably enclosed cover with the filter housing 148, such as hinged connection, to provide an inlet for cleaning the filter element 146.
  • the filter element 146 may be one-stage or multi-stage. It may include at least one foam filter.
  • This foam filter can be a composite component of a coarse foam layer and a fine foam layer. If necessary, the two foam layers can be fixed to each other by conventional means. Alternatively or additionally, a pleated filter may be used.
  • the dust-entrained air enters the primary separation device 80 through the suction duct 70 in a tangential direction relative to the side wall of the dust bucket 34.
  • the air then establishes a vortex around the receiving cavity 86, in which many particles and liquids entrained in the air travel along the inner surface of the side wall 84 by centrifugal force and are separated from the rotating airflow by gravity. These particles are concentrated on the bottom surface 109 of the dust bucket 34.
  • the relatively light fine dust withstands less centrifugal force. Therefore, the air flow circulating near the bottom of the dust bucket 34 contains fine dust. Therefore, a blocking member extending to the bottom of the dust bucket 34 may be provided in the dust bucket 34, and the circulating airflow hits the blocking member and prevents further rotation, thereby also causing most of the fine dust entrained in the air to fall.
  • Part of the cleaned air travels through the inlet 90 of the connecting channel 88 and enters the plurality of separation bodies 118 through the ash inlet chamber 128. There, the air swirls or spirally descends along the inner cavities 120 of the several separating bodies 118 to separate the remaining fine dust.
  • the double cleaned air flows upward through the air outlet pipe 114 and enters the air outlet cavity 112.
  • the fine dust separated in the secondary separator accumulates in the dust cup 102, 102a, 102b.
  • the clean air flows out of each air outlet pipe 114 and is recombined to the air outlet cavity 112, enters the final stage filter assembly 144 through the air outlet portion 98, passes through the filter assembly 144, and is in fluid communication with the inlet of the air flow generating device 30.
  • the cleaned air is discharged into the atmosphere through the exhaust port on the electric housing 76.
  • the dust bucket 34 and the dust cup 102 are configured to be relatively sealed structures independently of each other.
  • the mounting seat 50 is removed from the dust bucket 34, and the dust bucket 34 and the dust cup 102 can be tilted at the same time to empty the dirt therein.
  • remove the mounting seat 50 from the dust bucket 34 pour the dirt in the dust cups 102a, 102b into the dust bucket 34, and then dump the dust bucket 34 to empty the dirt.
  • remove the mounting seat 50 from the dust bucket 34 and dump the dirt in the dust bucket 34 and the dust cups 102a, 102b, respectively.
  • the effective volume required by the dust bucket 34 is relatively large, and the effective volume required by the dust cups 102, 102a, and 102b is relatively small.
  • the dust bucket 34 and the dust cup 102, 102a, 102b are emptied at the same frequency, thereby reducing the number of times of ash dumping of the industrial vacuum cleaner.
  • the ratio of the effective volume of the dust bucket 34 to the effective volume of the dust cup 102 is in the range of 6-12.
  • the ratio of the effective volume of the dust bucket 34 to the effective volume of the dust cup 102 ranges from 7 to 11. In an alternative embodiment, the ratio of the effective volume of the dust bucket 34 to the effective volume of the dust cup 102 can also be 8; 9, or 10, etc.
  • the effective volume designates the maximum ash volume of the dust bucket 34 or the dust cup 102 under the normal working state of the vacuum cleaner. And if the vacuum cleaner is blocked due to a large amount of dust or stops working because it is too late to filter and spray dust, it is an abnormal working state.
  • the dust cup 102 is located in the receiving cavity 86 of the dust bucket 34, but in order to increase the effective volume of the dust bucket, the lower bottom surface 101 of the dust cup 102 is higher than the bottom bottom surface 109 of the dust bucket 34 .
  • the lower bottom surface 101 of the dust cup 102 can be idealized as the bottom wall 138 as the plane where the thickness is extremely small and the bottom wall 138 is located.
  • the inner surface of the bottom wall 138 of the dust cup 102 for receiving dust is the lower bottom surface.
  • the sealing cover 160a, 160b can also be idealized as having an extremely small thickness, and the plane where the sealing cover 160a, 160b is located is the bottom surface of the dust cup 102a, 102b or the inner surface of the sealing cover 160a, 160b It is the bottom surface of the dust cup 102a, 102b.
  • the distance L between the lower bottom surface 101 of the dust cup 102 and the lower bottom surface 109 of the dust bucket 34 is about 50 mm to 450 mm.
  • the distance L between the lower bottom surface 101 of the dust cup 102 and the lower bottom surface 109 of the dust bucket 34 may also be 100 mm to 400 mm.
  • the distance L between the lower bottom surface 101 of the dust cup 102 and the lower bottom surface 109 of the dust bucket 34 may also be 150 mm to 350 mm.
  • the effective volume of the dust bucket 34 can be set to be greater than or equal to 5L, can be 6L or 8L, etc.; the effective volume of the dust cup 102 can be set to be greater than or equal to 0.8L, or greater than or equal to 1L, such as 12.L and so on. In this way, for users, they only need to clean the vacuum cleaner once a day after work, which is very convenient to use.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filters For Electric Vacuum Cleaners (AREA)

Abstract

L'invention concerne un aspirateur industriel (100) comprenant : un conduit d'aspiration de poussière (70) ; un dispositif de production d'écoulement d'air (30) permettant d'aspirer de l'air à partir du conduit d'aspiration de poussière (70), de façon à produire un écoulement d'air, le dispositif de production d'écoulement d'air (30) comprenant un moteur (72) et un ventilateur (74) entraîné par le moteur (72) ; un dispositif de séparation primaire (80) comprenant un fût de poussière (34), le fût de poussière (34) comprenant une paroi latérale (84) et une cavité de réception (86) formée par la paroi latérale (84), la cavité de réception (86) étant en communication avec le conduit d'aspiration de poussière (70) ; un canal de liaison (88) comprenant une entrée (90) et une sortie (92), l'entrée (90) étant en communication avec la cavité de réception (86) ; et un dispositif de séparation secondaire (82), le dispositif de séparation secondaire étant en communication avec la sortie (92) et avec le dispositif de production d'écoulement d'air (30). Le canal de liaison (88) est disposé entre le dispositif de séparation primaire (80) et le dispositif de séparation secondaire (82) dans l'aspirateur industriel (100), de sorte que l'aspirateur industriel (100) puisse aspirer la poussière de façon continue à l'aide d'une force d'aspiration élevée, améliorant ainsi l'efficacité de travail.
PCT/CN2019/125145 2019-09-30 2019-12-13 Aspirateur industriel WO2021062947A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910943337 2019-09-30
CN201910943337.9 2019-09-30

Publications (1)

Publication Number Publication Date
WO2021062947A1 true WO2021062947A1 (fr) 2021-04-08

Family

ID=75117170

Family Applications (2)

Application Number Title Priority Date Filing Date
PCT/CN2019/125145 WO2021062947A1 (fr) 2019-09-30 2019-12-13 Aspirateur industriel
PCT/CN2020/119493 WO2021063402A1 (fr) 2019-09-30 2020-09-30 Aspirateur industriel

Family Applications After (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/119493 WO2021063402A1 (fr) 2019-09-30 2020-09-30 Aspirateur industriel

Country Status (2)

Country Link
CN (3) CN112568785A (fr)
WO (2) WO2021062947A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114246522A (zh) * 2021-12-30 2022-03-29 尚科宁家(中国)科技有限公司 一种吸污效果好的表面清洁装置
CN116491851A (zh) * 2022-01-21 2023-07-28 苏州宝时得电动工具有限公司 过滤装置及设有该过滤装置的工业吸尘器
CN115121069B (zh) * 2022-05-27 2023-07-18 浙江大学 自洁除尘装置及除尘设备
CN115370461B (zh) * 2022-08-16 2023-09-22 钱江集团温岭正峰动力有限公司 一种清洁机的散热结构

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728435A1 (fr) * 1995-02-21 1996-08-28 Black & Decker Inc. Aspirateur cyclone
CN201015575Y (zh) * 2007-03-13 2008-02-06 王跃旦 吸尘器旋风分离器
CN201064420Y (zh) * 2007-06-15 2008-05-28 苏州科比电器有限公司 吸尘器两级旋风储尘筒
CN102204800A (zh) * 2010-03-29 2011-10-05 莱克电气股份有限公司 吸尘器旋风除尘装置及其吸尘器
CN103961025A (zh) * 2013-02-04 2014-08-06 苏州宝时得电动工具有限公司 吸尘器
EP3047779A1 (fr) * 2014-04-14 2016-07-27 Jiangsu Midea Cleaning Appliances Co., Ltd. Séparateur à cyclone
WO2016172928A1 (fr) * 2015-04-30 2016-11-03 博世电动工具（中国）有限公司 Composant d'appareil électrique et dépoussiéreur à cyclone
CN109480694A (zh) * 2018-12-12 2019-03-19 深圳市蓝达镭得科技有限公司 灰尘分离装置及吸尘器
CN209136450U (zh) * 2018-08-30 2019-07-23 广东百胜图科技有限公司 一种第一级旋风过滤系统和包括其的吸尘器
CN110169736A (zh) * 2019-07-01 2019-08-27 珠海格力电器股份有限公司 分离器、尘杯组件及除尘器
CN110811414A (zh) * 2018-07-11 2020-02-21 苏州宝时得电动工具有限公司 吸尘设备

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100587357B1 (ko) * 2004-10-08 2006-06-08 엘지전자 주식회사 싸이클론 집진장치
KR100577679B1 (ko) * 2005-03-29 2006-05-10 삼성광주전자 주식회사 사이클론 집진장치 및 이를 포함하는 진공청소기
CN201131706Y (zh) * 2007-12-26 2008-10-15 宁波华东机电制造有限公司 多级旋风过滤器
CN102319043A (zh) * 2011-07-29 2012-01-18 泰怡凯电器(苏州)有限公司 旋风分离装置及装有该装置的旋风吸尘器
CN102613942B (zh) * 2012-03-31 2013-12-25 江苏美的春花电器股份有限公司 立式吸尘器
GB2504776B (en) * 2012-08-10 2015-05-27 Vax Ltd Dust separation in vacuum cleaners
GB2527787B (en) * 2014-07-02 2017-01-18 Dyson Technology Ltd Vacuum cleaner
KR101641261B1 (ko) * 2014-10-28 2016-07-20 엘지전자 주식회사 청소기
CN109247873A (zh) * 2017-07-14 2019-01-22 永康市龙力工贸有限公司 一种旋风分离装置

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0728435A1 (fr) * 1995-02-21 1996-08-28 Black & Decker Inc. Aspirateur cyclone
CN201015575Y (zh) * 2007-03-13 2008-02-06 王跃旦 吸尘器旋风分离器
CN201064420Y (zh) * 2007-06-15 2008-05-28 苏州科比电器有限公司 吸尘器两级旋风储尘筒
CN102204800A (zh) * 2010-03-29 2011-10-05 莱克电气股份有限公司 吸尘器旋风除尘装置及其吸尘器
CN103961025A (zh) * 2013-02-04 2014-08-06 苏州宝时得电动工具有限公司 吸尘器
EP3047779A1 (fr) * 2014-04-14 2016-07-27 Jiangsu Midea Cleaning Appliances Co., Ltd. Séparateur à cyclone
WO2016172928A1 (fr) * 2015-04-30 2016-11-03 博世电动工具（中国）有限公司 Composant d'appareil électrique et dépoussiéreur à cyclone
CN110811414A (zh) * 2018-07-11 2020-02-21 苏州宝时得电动工具有限公司 吸尘设备
CN209136450U (zh) * 2018-08-30 2019-07-23 广东百胜图科技有限公司 一种第一级旋风过滤系统和包括其的吸尘器
CN109480694A (zh) * 2018-12-12 2019-03-19 深圳市蓝达镭得科技有限公司 灰尘分离装置及吸尘器
CN110169736A (zh) * 2019-07-01 2019-08-27 珠海格力电器股份有限公司 分离器、尘杯组件及除尘器

Also Published As

Publication number Publication date
WO2021063402A1 (fr) 2021-04-08
CN112568785A (zh) 2021-03-30
CN213665058U (zh) 2021-07-13
CN112568786A (zh) 2021-03-30

Similar Documents

Publication Publication Date Title
WO2021062947A1 (fr) Aspirateur industriel
CA2535388C (fr) Dispositif de depoussierage de la sous-section d'un aspirateur
WO2020108492A1 (fr) Appareil de nettoyage portatif
CN108463151B (zh) 手持式真空清洁器
KR100390608B1 (ko) 진공청소기의 사이클론 집진장치
KR100437364B1 (ko) 진공청소기의 사이클론 집진장치
US7335241B2 (en) Cyclone vessel dust collector and vacuum cleaner having the same
KR100483552B1 (ko) 진공청소기용 사이클론 집진장치
CN108463152B (zh) 电动吸尘器
CA2538717C (fr) Depoussiereur puissant pour aspirateur
GB2463089A (en) Directing air into a grille
CN102319043A (zh) 旋风分离装置及装有该装置的旋风吸尘器
JP2011098150A (ja) 電気掃除機
JP6402365B2 (ja) 電気掃除機
KR100546622B1 (ko) 청소기의 집진장치
KR102638412B1 (ko) 진공청소기를 위한 분리 시스템 및 분리 시스템을 포함하는 진공청소기
JP4070787B2 (ja) 電気掃除機
CN202198537U (zh) 旋风分离装置及装有该装置的旋风吸尘器
KR100578332B1 (ko) 진공청소기의 집진케이싱용 분리판 및 그것을 이용한집진케이싱
KR20060125955A (ko) 집진 유니트
JP2014018432A (ja) サイクロン分離装置並びに電気掃除機
JP4968313B2 (ja) 電気掃除機
KR100617093B1 (ko) 청소기의 집진장치
KR100635150B1 (ko) 업라이트형 진공 청소기의 집진통 구조
KR200226877Y1 (ko) 진공 청소기

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19947802

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19947802

Country of ref document: EP

Kind code of ref document: A1