WO2009081946A1 - 電気掃除機 - Google Patents
電気掃除機 Download PDFInfo
- Publication number
- WO2009081946A1 WO2009081946A1 PCT/JP2008/073462 JP2008073462W WO2009081946A1 WO 2009081946 A1 WO2009081946 A1 WO 2009081946A1 JP 2008073462 W JP2008073462 W JP 2008073462W WO 2009081946 A1 WO2009081946 A1 WO 2009081946A1
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- WO
- WIPO (PCT)
- Prior art keywords
- dust
- filter
- case
- separation
- vacuum cleaner
- Prior art date
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Classifications
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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
- A47L9/20—Means for cleaning filters
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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
- A47L9/1658—Construction of outlets
- A47L9/1666—Construction of outlets with filtering means
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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
- A47L9/1691—Mounting or coupling means for cyclonic chamber or dust receptacles
Definitions
- the present invention relates to a vacuum cleaner having a dust separation case that separates dust contained in air using centrifugal force and a dust collection case that collects dust separated from air in the dust separation case. More specifically, the present invention relates to a structure for removing dust adhering to a filter accommodated in a dust separation case by using a removal operation and an attachment operation of the dust collection case with respect to the dust separation case.
- an electric vacuum cleaner that separates dust contained in air sucked by an electric blower using inertia and eliminates the need for a bag-like pack filter is known.
- An example of this type of vacuum cleaner is disclosed in Japanese Patent No. 3999791, for example.
- the vacuum cleaner disclosed in this patent publication is provided with dust separating means for separating dust in the air sucked by the electric blower, and a pleat filter for capturing dust that has passed through the dust separating means.
- the pleated filter is disposed between the dust separating means and the electric blower.
- the dust separating means includes a dust separating case and a dust collecting case.
- the dust separation case has an air flow inlet into which air is sucked, a separation chamber communicating with the air flow inlet, and an air flow passage port located downstream of the separation chamber along the air flow direction.
- the separation chamber includes a cylindrical wall surface, and an intake cylinder is disposed at the center of the separation chamber surrounded by the wall surface.
- the intake cylinder has a large number of ventilation holes.
- the airflow passage opening faces the pleat filter and communicates with the inside of the intake cylinder.
- a dust outlet is formed at the upper end of the dust separation case. The dust outlet communicates with the separation chamber.
- the dust collection case is removably assembled to the dust separation case from above the dust separation case.
- the dust collection case has a dust inlet and a ventilation window.
- the dust inlet is connected to the dust outlet of the dust separation case.
- the ventilation window is covered with a filter and connected to the airflow passage opening of the dust separation case through a ventilation opening opened in the dust separation case.
- the air led to the dust collection case from the separation chamber together with dust flows into the dust separation case airflow passage through the dust collection case ventilation window and the dust separation case ventilation port. Therefore, the air that has passed through the intake cylinder merges with the air that returns from the dust collection case to the dust separation case at the airflow passage port.
- the dust collection case ventilating window is blocked by dust accumulated inside the dust collection case, the flow of air from the dust collection case to the airflow passage port is significantly limited. Therefore, the air in the separation chamber is exclusively sucked into the electric blower through the intake cylinder, and dust is more likely to adhere to the outer peripheral surface of the intake cylinder.
- the intake cylinder is clogged, and dust in the air cannot be efficiently separated in the separation chamber.
- the vacuum cleaner disclosed in the above-mentioned patent publication does not assume that dust adhering to the intake cylinder is removed, and it cannot be denied that the dust suction force of the vacuum cleaner is reduced.
- the vacuum cleaner if the vacuum cleaner has a sensor for detecting the amount or pressure of air sucked into the dust separation case, the amount of air or pressure sucked into the dust separation case is predetermined. It can be detected by the sensor that the value is below the predetermined level. At the same time, based on the detection result of the sensor, it can be notified that the intake cylinder needs to be cleaned.
- An object of the present invention is to provide an electric vacuum cleaner that can easily remove dust attached to a filter in a separation chamber by using a dust collection case removing operation and an attaching operation, and can easily maintain the filter. It is in.
- a vacuum cleaner includes: (1) A vacuum cleaner body having a dust suction port, (2) an electric blower housed in the vacuum cleaner body and sucking air from the dust suction port, and (3) housed in the vacuum cleaner body and sucked from the dust suction port.
- a dust separation case having a separation chamber that separates dust contained in the generated air by centrifugal force, and a ventilation chamber located downstream of the separation chamber along the air flow direction, and (4) the dust separation
- a dust collection case that is detachably attached to the case and collects the dust separated in the separation chamber; and (5) provided in the dust separation case so as to communicate between the separation chamber and the ventilation chamber.
- a breathable filter is provided in the dust separation case so as to communicate between the separation chamber and the ventilation chamber.
- cleaning means for removing dust adhering to the filter by contacting the filter.
- the filter and the cleaning means are relatively rotated via a driving means so as to be interlocked with the removal operation and the attachment operation of the dust collection case with respect to the dust separation case. By this rotation, the dust adhering to the filter is removed by the cleaning means.
- the dust adhering to the filter can be automatically removed by using the operation of removing and attaching the dust collecting case. Therefore, the troublesome work of disassembling the dust separation case and cleaning the filter by human work becomes unnecessary, and the filter maintenance becomes easy.
- FIG. 1 is a perspective view of a vacuum cleaner showing a state in which a vacuum cleaner body, a dust separation case, and a dust collection case are separated from each other in the first embodiment of the present invention.
- FIG. 2 is a perspective view showing a state where the dust separation case and the dust collection case are separated from each other in the first embodiment of the present invention.
- FIG. 3 is a cross-sectional view showing a state in which a dust collection case is attached to a dust separation case in the first embodiment of the present invention.
- 4 is a cross-sectional view taken along line F4-F4 of FIG.
- FIG. 5 is a sectional view taken along line F5-F5 in FIG.
- FIG. 6 is a cross-sectional view taken along line F5-F5 in FIG.
- FIG. 3 showing a state in which the dust collection case is pushed up from the dust separation case in the first embodiment of the present invention.
- 7 is a cross-sectional view taken along line F7-F7 in FIG. 3, showing a state where the dust collection case is separated from the dust separation case in the first embodiment of the present invention.
- FIG. 8 is a cross-sectional view showing a state where a dust collection case is attached to a dust separation case in the second embodiment of the present invention.
- 9 is a cross-sectional view taken along line F9-F9 in FIG.
- FIG. 10 is a sectional view showing a state in which a dust collection case is attached to a dust separation case in the third embodiment of the present invention.
- FIG. 1 shows a vacuum cleaner 1 that can be moved along the floor surface to be cleaned, for example.
- the electric vacuum cleaner 1 includes a vacuum cleaner body 2, a dust separation unit 11, and a known suction unit (not shown).
- the suction unit includes a suction head having a dust suction port, a dust suction hose, and an extension pipe.
- the extension pipe connects between the suction head and the dust suction hose.
- the vacuum cleaner main body 2 has a pair of wheels 3 (only one is shown) in contact with the floor, a caster (not shown), and a unit housing chamber 2a.
- the unit storage chamber 2a is opened upward of the cleaner body 2.
- An upper lid 4 is supported on the cleaner body 2. The upper lid 4 is rotatable between a closed position that covers the unit storage chamber 2a from above and an open position that retreats behind the unit storage chamber 2a and opens the unit storage chamber 2a.
- a dust suction port 5 is formed on the front end wall of the cleaner body 2.
- the dust suction port 5 is for connecting the dust suction hose and communicates with the unit housing chamber 2a.
- the electric blower 6 shown in FIG. 7 is accommodated in the rear part of the cleaner body 2.
- the electric blower 6 has a suction port 6a for sucking air.
- the suction port 6a is located behind the unit storage chamber 2a and opens toward the unit storage chamber 2a. Air discharged from the electric blower 6 is discharged out of the cleaner body 2 through an exhaust port (not shown) opened at the rear end of the cleaner body 2.
- the cleaner body 2 includes a sensor for detecting the pressure of the air sucked into the electric blower 6 and a display member for informing the dust clogging.
- the sensor detects that a state in which the pressure of the air sucked into the electric blower 6 is lower than a predetermined value continues for a predetermined time, the display device is regarded as dust clogging. It is operating.
- the dust separation unit 11 is detachably accommodated in the unit accommodation chamber 2 a of the cleaner body 2.
- the dust separation unit 11 includes a dust separation case 12, a filter 31, a filter drive mechanism 41, first and second cleaning tools 51 a and 51 b, a holding means 61, a release means 65, and a dust collection case 71.
- the dust separation case 12 has a case main body 12a and a filter case 12b.
- the filter case 12b has a substantially cylindrical shape and is provided continuously at the rear part of the case body 12a.
- the case body 12 a includes an air flow inlet 13, an air flow outlet 14, a separation chamber 15, a dust outlet 19, a first vent chamber 22, and a second vent chamber 23. ing.
- the airflow inlet 13 is opened in the front wall of the case body 12a.
- the air flow inlet 13 is connected to the rear end portion of the dust suction port 5 of the cleaner body 2 when the dust separation unit 11 is accommodated in the unit accommodating chamber 2a.
- the air flow outlet 14 is opened in the rear wall of the case body 12a and communicates with the inside of the filter case 12b.
- the airflow outlet 14 is located downstream of the airflow inlet 13 with reference to the air flow direction inside the case body 12a.
- the filter case 12b accommodates a pleated filter 69 as shown in FIG.
- the pleated filter 69 is located between the suction port 6 a of the electric blower 6 and the airflow outlet 14.
- the filter case 12 b has an outlet (not shown) located downstream from the pleated filter 69.
- the outlet of the filter case 12 b communicates with the suction port 6 a of the electric blower 6.
- the case main body 12a includes a first side wall 16 and a guide wall 17 that protrudes from the first side wall 16 toward the side.
- the guide wall 17 has a substantially cylindrical shape and has an opening 17 a facing the first side wall 16.
- the opening 17 a of the guide wall 17 is closed with a removable lid 18.
- the first side wall 16, the guide wall 17, and the lid 18 cooperate with each other to define the separation chamber 15 in the case body 12a.
- the first side wall 16 faces the lid 18 and is located in the back of the separation chamber 15.
- the first side wall 16 has an inlet 20 that opens into the separation chamber 15.
- the inlet 20 is located at the rear portion of the case body 12 a and is shifted rearward from the central portion of the separation chamber 15.
- the dust outlet 19 is formed at the upper end of the case body 12a.
- the dust outlet 19 opens toward the upper side of the case main body 12 a and communicates with the separation chamber 15. Furthermore, as shown in FIG. 4, the dust outlet 19 is located at the front of the case body 12 a and at the upper end of the separation chamber 15 when the separation chamber 15 is viewed from the direction of the lid 18.
- An annular sealing material 21 capable of elastic deformation is provided at the upper end of the case body 12a. The sealing material 21 surrounds the dust outlet 19 so as to seal the dust outlet 19.
- the first ventilation chamber 22 is formed in the case main body 12a so as to connect the air flow inlet 13 and the inlet 20 of the separation chamber 15.
- the first ventilation chamber 22 extends in the front-rear direction of the case main body 12 a at the same height as the upper portion of the separation chamber 15.
- the front end of the first ventilation chamber 22 is continuous with the air flow inlet 13.
- the rear portion of the first ventilation chamber 22 is bent so as to guide the air passing through the first ventilation chamber 22 obliquely downward with respect to the inlet 20. Accordingly, the bottom wall of the rear portion of the first ventilation chamber 22 is inclined so as to gradually become lower in the direction toward the separation chamber 15.
- the inlet 20 that opens into the separation chamber 15 has first to fourth opening edges 20a, 20b, 20c, and 20d.
- the first opening edge 20 a coincides with the lowest position in the bottom wall of the first ventilation chamber 22.
- the second opening edge 20b is positioned above the first opening edge 20a so as to be closer to the air flow inlet 13 than the first opening edge 20a.
- the second opening edge portion 20 b is shifted rearward of the separation chamber 15 from the dust outlet 19.
- the third opening edge portion 20 c connects between one end of the first opening edge portion 20 a and one end of the second opening edge portion 20 b and is curved in an arc shape along the guide wall 17.
- the fourth opening edge 20d is curved in an arc shape so as to connect the other end of the first opening edge 20a and the other end of the second opening edge 20b.
- the fourth opening edge portion 20d faces the third opening edge portion 20c. Therefore, the second opening edge 20 b of the inlet 20 is located at the upstream end along the flow direction of the air flowing from the inlet 20 into the separation chamber 15.
- the second ventilation chamber 23 is located below the first ventilation chamber 22.
- the 1st ventilation chamber 22 and the 2nd ventilation chamber 23 are partitioned off by the partition 24 which the case main body 12a has.
- the separation chamber 15, the first ventilation chamber 22, and the second ventilation chamber 23 cooperate with each other to form a passage that communicates between the airflow inlet 13 and the airflow outlet 14.
- the separation chamber 15 is located between the airflow inlet 13 and the airflow outlet 14.
- the case main body 12 a has a second side wall 25.
- the second side wall 25 is parallel to the first side wall 16 and is located on the opposite side of the separation chamber 15 with respect to the first side wall 16.
- the second side wall 25 defines the second vent chamber 23 in cooperation with the partition wall 24.
- a vent hole 26 is formed in the second side wall 25.
- the vent 26 opens into the second vent chamber 23.
- An annular sealing material 27 that can be elastically deformed is provided on the outer surface of the second side wall 25. The sealing material 27 surrounds the vent hole 26 so as to seal the vent hole 26.
- the filter 31 includes a synthetic resin filter frame 31a and a filter member 31b.
- the filter frame 31a has a hollow cylindrical shape similar to a cone as a preferable example in order to ensure a sufficient filtration area of the filter 31.
- the filter frame 31a has a large diameter portion at one end along the axial direction.
- a base portion 31c is formed integrally with the large diameter portion of the filter frame 31a.
- the base portion 31c is formed in a hollow cylindrical shape coaxial with the filter frame 31a.
- the filter member 31b is made of, for example, a synthetic resin material formed in a mesh shape or a metal material such as stainless steel in which a large number of small holes are formed, and has air permeability.
- the filter member 31b is fixed to the outer peripheral surface of the filter frame 31 by means such as adhesion. Therefore, the filter member 31b has a conical appearance shape that covers the filter frame 31a.
- the filter member 31b is made of stainless steel, the durability becomes higher in comparison with the case where the filter member 31b is made of synthetic resin. In addition, it is difficult for dust to adhere to the filter member 31b, and even if dust adheres to the filter member 31b, there is an advantage that the dust is easily separated from the filter member 31b.
- the filter 31 is rotatably supported by the case body 12 a so as to be positioned at the center of the separation chamber 15. More specifically, a support wall 32 is provided inside the case body 12a. The support wall 32 faces the first side wall 16 on the opposite side of the separation chamber 15, and forms a drive chamber 35 between the first side wall 16. The drive chamber 35 is partitioned from the separation chamber 15 by the first side wall 16. Similarly, the drive chamber 35 is partitioned from the first and second ventilation chambers 22 and 23 by the support wall 32. Furthermore, the drive chamber 35 is formed so as not to hinder the flow of air from the first ventilation chamber 22 toward the separation chamber 15.
- the base 31c of the filter frame 31a straddles between the first side wall 16 and the support wall 32.
- the base portion 31 c penetrates the drive chamber 35 and opens to the second ventilation chamber 23.
- the first side wall 16 and the support wall 32 each have a filter support portion 33.
- the filter support part 33 surrounds the base part 31c of the filter frame 31a from the outside, thereby supporting the base part 31c rotatably.
- the O-ring 34 is fixed to each filter support 33.
- the O-ring 34 is in contact with the outer peripheral surface of the base portion 31c so as to allow the filter 31 to rotate.
- the O-ring 34 blocks communication between the drive chamber 35 and the separation chamber 15 and blocks communication between the drive chamber 35 and the second ventilation chamber 23.
- the filter frame 31 a covered with the filter member 31 b protrudes from the first side wall 16 toward the center of the separation chamber 15.
- the diameter of the filter frame 31a is reduced as it advances from the first side wall 16 toward the lid 18. Therefore, the tip of the filter frame 31a facing the lid 18 has the smallest diameter in the filter frame 31a.
- the filter member 31 b of the filter 31 is located at the boundary between the separation chamber 15 and the second ventilation chamber 23.
- a recess 36 is formed at the upper end of the case body 12 a of the dust separation case 12.
- the concave portion 36 is opened toward the upper side of the case main body 12a.
- the bottom wall 32 a of the recess 36 is formed by a part of the support wall 32 that defines the drive chamber 35.
- the filter drive mechanism 41 includes an elevating rod 42, a compression coil spring 43, and a gear 44.
- the lifting rod 42 passes through a square hole 32 b formed in the bottom wall 32 a of the recess 36. Therefore, the lifting rod 42 is restricted from freely rotating around its axis by the square hole 32b.
- a disc-shaped head 42 a is formed at the upper end of the elevating rod 42. The head 42 a has a larger diameter than the lifting rod 42.
- the lower part of the lifting rod 42 is inserted into the drive chamber 35.
- a rack 45 is formed on the side surface of the lifting rod 42 located in the drive chamber 35. The rack 45 moves linearly following the up-and-down movement of the up-and-down rod 42.
- the compression coil spring 43 is stretched between the bottom wall 32a of the recess 36 and the head 42a of the lifting rod 42 to push up the lifting rod 42. Thereby, when the lifting rod 42 is in a free state, the head 42a at the upper end of the lifting rod 42 projects upward from the upper surface of the case body 12a.
- the gear 44 is integrally formed on the outer peripheral surface of the base portion 31c of the filter frame 31a.
- the gear 44 is coaxial with the base portion 31 c and meshes with the rack 45 in the drive chamber 35. By this meshing, the gear 44 and the rack 45 convert the linear motion of the lifting rod 42 into a rotational motion and transmit it to the filter 31 when the lifting rod 42 moves up and down.
- the filter 31 rotates in the first direction as shown by an arrow in FIG.
- the first direction corresponds to the clockwise direction.
- the filter 31 rotates in the second direction as indicated by an arrow in FIG.
- the second direction is a direction opposite to the first direction and corresponds to a counterclockwise direction.
- the filter 31 preferably rotates one or more times, but the number of rotations of the filter 31 may be less than one.
- the first and second cleaning tools 51a and 51b are examples of cleaning means. As shown in FIGS. 3 and 4, the first and second cleaning tools 51 a and 51 b are fixed to the first side wall 16 of the case body 12 a and exposed to the separation chamber 15.
- the first cleaning tool 51 a is located on the upper side of the filter 31 and is adjacent to the second opening edge 20 b of the inlet 20 that opens into the separation chamber 15.
- the second cleaning tool 51b is disposed on the lower side of the filter 31 that is 180 degrees away from the first cleaning tool 51a in the circumferential direction of the filter 31. Therefore, the first cleaning tool 51 a and the second cleaning tool 51 b face each other in the radial direction of the filter 31.
- the first and second cleaning tools 51 a and 51 b each have a base 52 and a filter contact member 53.
- the base 52 is made of, for example, a synthetic resin material.
- the base 52 has a plate shape extending in the axial direction of the filter frame 31 a, and one end along the longitudinal direction is fixed to the first side wall 16.
- the base 52 has an edge 52 a that faces the guide wall 17 of the separation chamber 15.
- the edge 52a extends in the axial direction of the filter frame 31a.
- the edge 52a is pointed in a triangular shape so as to decrease in width as it goes outward along the radial direction of the filter frame 31a. As a result, it is possible to suppress the edge 52 a of the base 52 from disturbing the air flow passing through the separation chamber 15.
- the filter contact member 53 is for removing dust adhering to the outer peripheral surface of the filter member 31b by contacting the outer peripheral surface of the filter member 31b.
- the filter contact member 53 is made of a soft material such as a brush in which a plurality of hairs are bundled or a cloth.
- the soft filter contact member 53 is deformed so as to follow the outer peripheral surface of the filter member 31b when the filter 31 rotates. Therefore, the soft filter contact member 53 can remove dust adhering to the outer peripheral surface of the filter member 31b without damaging the filter member 31b.
- the tip of the brush hair enters the mesh of the filter member 31b. Therefore, the brush is preferable in that dust attached to the filter member 31b can be surely removed.
- the dust collection case 71 is detachably attached to the case body 12a of the dust separation case 12 from above.
- the dust collection case 71 includes an upper case 72 and a side case 73.
- the upper case 72 is placed on the case body 12a so as to cover the upper surface of the case body 12a.
- the upper case 72 has a handle 71 a that is gripped by hand when the dust collection case 71 is removed from the dust separation case 12.
- the side case 73 extends downward from one end of the upper case 72 and covers the second side wall 25 of the case body 12a from the side.
- the side case 73 has a side cover 73b.
- the side cover 73b is rotatable between a closed position and an open position with its upper end as a fulcrum. In the closed position, the side cover 73 b stands up along the side case 73 and seals the inside of the side case 73. In the open position, the side cover 73b is detached from the side case 73 so that dust accumulated in the side case 73 can be discarded.
- the upper case 72 has a lower wall 72a facing the upper surface of the case body 12a.
- a dust inlet 74 is formed in the lower wall 72a.
- the dust inlet 74 is located at the end of the upper case 72 opposite to the side case 73.
- the dust inlet 74 coincides with the dust outlet 19 of the case body 12a when the dust collection case 71 is attached to the case body 12a of the dust separation case 12.
- a connecting portion between the dust outlet 19 and the dust inlet 74 is sealed by the sealing material 21.
- a hook 75 and a convex portion 76 are integrally formed on the lower wall 72 a of the upper case 72.
- the hook 75 protrudes downward from the lower wall 72a.
- the convex portion 76 has a plate shape protruding downward from the lower wall 72 a and is adjacent to the hook 75.
- the side case 73 has an inner wall 73a that faces the second side wall 25 of the case body 12a.
- a vent hole 77 is formed in the inner wall 73a.
- the ventilation hole 77 is covered with a net-like filter 78.
- the ventilation hole 77 matches the ventilation hole 26 of the second side wall 25 when the dust collection case 71 is attached to the case body 12 a of the dust separation case 12.
- a connection portion between the vent hole 77 and the vent hole 26 is sealed with a sealing material 27.
- the holding means 61 is for holding the dust collecting case 71 attached to the dust separating case 12, and is incorporated in the upper part of the case body 12a. As shown in FIGS. 2 and 7, the holding means 61 has a hook receiver 62.
- the hook receiver 62 protrudes upward from the upper surface of the case body 12a.
- the hook receiver 62 is movable in the front-rear direction of the case body 12a between the engagement position and the engagement release position, as indicated by arrows in FIG.
- the hook receiver 62 engages with the hook 75 of the dust collecting case 71.
- the hook receiver 62 In the disengagement position, the hook receiver 62 is detached from the hook 75.
- the hook receiver 62 is urged forward of the case main body 12a by a spring (not shown) and is held at the engagement position.
- the release means 65 is for separating the dust collection case 71 from the dust separation case 12, and is incorporated in the upper part of the case body 12a. As shown in FIGS. 2 and 7, the release means 65 includes a slide plate 65a.
- the slide plate 65a is supported on the upper portion of the case body 12a so as to be linearly slidable in the front-rear direction of the case body 12a.
- the slide range of the slide plate 65a is defined by a restriction unit (not shown).
- the front end of the slide plate 65a protrudes forward from the front wall of the case body 12a directly above the airflow inlet 13.
- the rear end of the slide plate 65a is in contact with the front end of the hook receiver 62 so as not to hinder the engagement and release of the hook receiver 62 and the hook 75. Therefore, the slide plate 65a is always pressed forward by the spring of the holding means 61.
- an operation piece 66 is rotatably supported on the front end wall of the cleaner body 2.
- the operation piece 66 is an example of an operation unit that artificially operates the release means 65.
- the operation piece 66 is located immediately above the dust suction port 5 and is in contact with the front end of the slide plate 65a.
- the slide plate 65a is slid toward the rear hook receiver 62 against the biasing force of the spring.
- the hook receiver 62 is forcibly moved from the engagement position to the engagement release position, and the engagement between the hook receiver 62 and the hook 75 is released.
- the case body 12 a includes a guide portion 67.
- the guide portion 67 protrudes upward from the case body 12a.
- a groove 67 a is formed in the guide portion 67.
- the convex portion 76 of the dust collecting case 71 is inserted from above, and is open to the upper end surface and the side surface of the guide portion 67.
- a receiving plate and a pop-up spring are accommodated in the groove 67a.
- the receiving plate is for receiving the tip of the convex portion 76 and is supported by the guide portion 67 so as to be movable up and down along the groove 67a.
- the pop-up spring always pushes up the backing plate.
- the dust collection case 71 can be attached to the dust separation case 12 by the following procedure. First, the upper case 72 of the dust collecting case 71 is opposed to the case body 12a from above, and the positions of the tips of the convex portions 76 of the upper case 72 and the upper ends of the grooves 67a of the guide portion 67 are aligned.
- the dust collecting case 71 is lowered toward the case body 12a, and the convex portion 76 is inserted into the groove 67a.
- the dust inlet 74 of the dust collecting case 71 is connected to the dust outlet 19 of the case main body 12a, and the vent hole 77 of the dust collecting case 71 is connected to the vent 26 of the case main body 12a.
- the hook 75 of the dust collecting case 71 engages with the hook receiver 62. By this engagement, the dust collecting case 71 is held at a predetermined position on the upper surface of the case main body 12a.
- the dust collection case 71 is biased upward by the pop-up spring and the compression coil spring 43.
- the hook 75 is always biased in a direction to maintain the engagement with the hook receiver 62.
- the operation piece 66 of the cleaner body 2 is pressed with the fingertip of the hand.
- the slide plate 65a slides toward the hook receiver 62 and moves the hook receiver 62 from the engagement position toward the engagement release position.
- the hook receiver 62 is detached from the hook 75, and the holding of the dust collection case 71 with respect to the dust separation case 12 is released.
- the dust collecting case 71 When the hook receiver 62 is detached from the hook 75, the dust collecting case 71 is pushed up by the pop-up spring and the compression coil spring 43 and jumps out onto the dust separation case 12. Therefore, the dust collection case 71 can be removed from the dust separation case 12 by the operator grasping and lifting the handle 71 a of the dust collection case 71 by hand.
- the air sucked into the separation chamber 15 flows so as to swirl along the cylindrical guide wall 17. Thereby, centrifugal force acts on the dust contained in the air. As a result, coarse dust having a large mass is attracted to the guide wall 17 and moves to the dust outlet 19 along the inner peripheral surface of the guide wall 17. Dust having a large mass flows together with air from the dust outlet 19 through the dust inlet 74 into the upper case 73 of the dust collecting case 71.
- the air containing a large amount of dust that has flowed into the upper case 72 of the dust collecting case 17 reaches the side case 73 as a dust reservoir. Further, the air in the side case 73 passes through the net-like filter 78 and is sucked into the second ventilation chamber 23 from the vent 26 and merges with the air that has passed through the filter member 31 b in the second ventilation chamber 23. To do. Dust with a large mass introduced into the side case 73 is captured by the net-like filter 78 and stops inside the side case 73. Therefore, air from which dust having a large mass has been removed is sucked from the dust collection case 71 into the second ventilation chamber 23 of the dust separation case 12.
- the air filtered by the pleat filter 69 is sucked into the suction port 6a of the electric blower 6 from the outlet of the filter case 12b.
- the air sucked into the suction port 6 a passes through the electric blower 6 and is discharged out of the vacuum cleaner 1 from the exhaust port at the rear end of the cleaner body 2.
- the dust adhering to the outer peripheral surface of the filter member 31 b is blown off by the pressure of the air passing through the separation chamber 15 and guided from the dust outlet 19 to the dust collecting case 71.
- the dust attached to the outer peripheral surface of the filter member 31b may grow as the usage time of the vacuum cleaner 1 elapses.
- the dust collecting case 71 when the inside of the dust collecting case 71 is filled with dust, the dust accumulated in the dust collecting case 71 becomes a resistance, and the air flow in the dust collecting case 71 is obstructed. For this reason, the amount of air sucked into the second ventilation chamber 23 from the dust collection case 71 is reduced. Along with this, the amount of air that passes through the filter 31 from the separation chamber 15 and is sucked into the second ventilation chamber 23 increases. As a result, dust is more likely to adhere to the outer peripheral surface of the filter member 31b of the filter 31, and it is unavoidable that the filter member 31b is clogged. Therefore, since the amount of air sucked into the electric blower 6 decreases, the display device that notifies the clogging of dust may operate.
- the worker who uses the vacuum cleaner 1 opens the upper lid 4 to expose the dust separation unit 11.
- the dust collection case 71 is removed from the dust separation case 12, and the side cover 73b is opened to discard the dust in the dust collection case 71.
- the filter member is used by using the first and second cleaning tools 51a and 51b at the time of removing the dust collecting case 71 and attaching the dust collecting case 71 which are inevitably performed at the time of dust disposal.
- the dust adhering to 31b can be removed automatically.
- the filter 31 and the first and second cleaning tools 51a and 51b rotate relatively following the ascending operation of the elevating rod 42 that pushes up the dust collecting case 71.
- the filter contact member 53 of the first and second cleaning tools 51a and 51b moves along the outer peripheral surface while contacting the outer peripheral surface of the filter member 31b. Therefore, the dust adhering to the outer peripheral surface of the filter member 31 b is removed by the filter contact member 53. The removed dust is collected on the side surface of the filter contact member 53.
- the lifting rod 42 is linearly pushed down by the dust collecting case 71 as shown in FIG.
- the linear motion of the elevating rod 42 is converted into rotational motion by the meshing of the rack 45 and the gear 44 and is transmitted to the filter 31.
- the filter 31 is rotated in the first direction which is the opposite direction to that when the dust collecting case 71 is removed. Therefore, the outer peripheral surface of the filter member 31b is again cleaned by the filter contact member 53 of the first and second cleaning tools 51a and 51b.
- the dust adhering to the outer peripheral surface of the filter member 31b can be automatically removed as the dust collecting case 71 is removed and attached to the dust separating case 12.
- the dust removed from the outer peripheral surface of the filter member 31b and collected on the side surface of the filter contact member 53 falls as a lump to the bottom of the separation chamber 13 from the outer peripheral surface of the filter member 31b. Even if the dust removed from the filter member 31b does not fall from the filter member 31b, the dust is collected on the side surface of the filter contact member 53, so that it is easy to receive the pressure of the air passing through the separation chamber 15. It is kept in a state.
- the filter frame 31a to which the filter member 31b is fixed has a conical shape with a diameter that decreases from the first side wall 16 toward the lid 18.
- the outer peripheral surface of the filter member 31b is inclined with respect to the axis of the filter frame 31a. Therefore, when the filter contact member 53 removes the dust on the outer peripheral surface of the filter member 31b, the removed dust is easily moved along with the inclination of the outer peripheral surface of the filter member 31b.
- the removed dust is collected at the small-diameter tip of the filter frame 31a. Therefore, the dust removed from the outer peripheral surface of the filter member 31b is easily dropped as a lump on the bottom of the separation chamber 15.
- the air flowing through the first ventilation chamber 22 is sucked into the separation chamber 15 from the inlet 20 opened in the first side wall 16. Therefore, the main flow of air passing through the separation chamber 15 toward the dust outlet 19 concentrates and passes near the lid 18 rather than the first side wall 16. Since the small-diameter tip of the filter frame 31a is adjacent to the lid 18, the dust collected at the small-diameter tip of the filter frame 31a can be reliably carried away into the dust collection case 71 using the air flow. it can.
- the dust adhering to the filter 31 inside the separation chamber 15 using the removal operation and attachment operation of the dust collection case 71 with respect to the dust separation case 12. Can be removed automatically. For this reason, after removing the dust separation unit 11 from the cleaner body 2, the cover 18 is removed from the case body 12 a to expose the filter 31 in the separation chamber 15, and the hand from the opening 17 a to the inside of the separation chamber 15. Therefore, it is unnecessary to manually remove dust adhering to the outer peripheral surface of the filter member 31b. Therefore, the maintenance of the filter 31 can be easily performed without requiring time and effort for cleaning the filter 31.
- the filter contact member 53 when a brush is used as the filter contact member 53, dust removed from the outer peripheral surface of the filter member 31b may be entangled with the hair of the brush.
- the filter 31 rotates in the opposite direction to the time when the dust collection case 71 is removed from the dust separation case 12 when the dust collection case 71 is attached to the dust separation case 12. For this reason, the dust adhering to the bristles of the brush with the inversion of the filter 31 is easily peeled off from the brush.
- the second embodiment is different from the first embodiment in that the filter 31 is cleaned using a single cleaning tool 51.
- Other configurations of the dust separation case 12 are the same as those in the first embodiment. Therefore, in the second embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
- the cleaning tool 51 is positioned above the filter 31 and is adjacent to the second opening edge 20 b of the inlet 20 that opens into the separation chamber 15.
- the filter contact member 53 of the cleaning tool 51 is in contact with the outer peripheral surface of the filter member 31b from above the filter 31.
- the filter 31 rotates in the circumferential direction. Therefore, the dust adhering to the outer peripheral surface of the filter member 31 b can be removed by the filter contact member 53.
- the cleaning operation of the filter 31 can be easily performed by using the removal operation and attachment operation of the dust collecting case 71. Therefore, as in the first embodiment, the operation of exposing the filter 31 in the separation chamber 15 and removing the dust adhering to the outer peripheral surface of the filter member 31b by hand can be omitted. Maintenance of the filter 31 is facilitated.
- the single cleaning tool 51 is disposed adjacent to the second opening edge 20b of the inlet 20 that opens to the separation chamber 15, so that the cleaning tool 51 has a function of separating dust. It can prevent adverse effects.
- the main flow of air passing through the separation chamber 15 from the inlet 20 toward the dust outlet 19 flows along the guide wall 17 so as to bypass the cleaning tool 55. Therefore, although the cleaning tool 51 protrudes outward in the radial direction of the filter 31, it is possible to suppress the turbulence of the air flow passing through the separation chamber 15 by the cleaning tool 51. As a result, the flow velocity of the air passing through the separation chamber 15 is difficult to decrease, and the dust contained in the air can be efficiently separated in the separation chamber 15.
- the filter 31 rotates at least once when the dust collection case 71 is removed from and attached to the dust separation case 12. Therefore, the outer peripheral surface of the filter member 31b can be cleaned over the entire circumference with one cleaning tool 51 located in the vicinity of the inlet 20.
- FIG. 10 discloses a third embodiment of the present invention.
- the third embodiment is different from the first embodiment in the manner of attaching the first and second cleaning tools 51a and 51b to the case body 12a.
- Other configurations of the dust separation case 12 are the same as those in the first embodiment. Therefore, in the third embodiment, the same components as those in the first embodiment are denoted by the same reference numerals, and the description thereof is omitted.
- the bases 52 of the first and second cleaning tools 51a and 51b are supported by the first side wall 16 of the case body 12a via hinges 81, respectively. Therefore, the first and second cleaning tools 51a and 51b include a first position where the filter contact member 53 contacts the outer peripheral surface of the filter member 31b, and a first position where the filter contact member 53 separates from the outer peripheral surface of the filter member 31b. It can be rotated between two positions.
- the hinge 81 includes a spring (not shown).
- the spring always urges the first and second cleaning tools 51a and 51b toward the first position. Accordingly, the filter contact member 53 is pressed against the outer peripheral surface of the filter member 31b with an appropriate elasticity.
- the force that presses the filter contact member 53 against the outer peripheral surface of the filter member 31 b is desirably set to a magnitude that does not give excessive resistance to the rotation of the filter 31.
- the filter 31 rotates in the circumferential direction following the removal operation of the dust collection case 71 and the attachment operation of the dust collection case 17. Therefore, the cleaning operation of the filter 31 can be easily performed using the removal operation and the attachment operation of the dust collection case 71.
- the operation of exposing the filter 31 in the separation chamber 15 and removing the dust adhering to the outer peripheral surface of the filter member 31b by hand can be omitted. Maintenance of the filter 31 is facilitated.
- first and second cleaning tools 51a and 51b are movable to a second position away from the outer peripheral surface of the filter member 31b. Thereby, for example, even if hard dust enters between the outer peripheral surface of the filter member 31b and the filter contact member 53, the cleaning operation of the filter 31 is not adversely affected.
- the filter contact member 53 is pushed by the dust. It is. Thereby, the 1st and 2nd cleaning tools 51a and 51b rotate toward the 2nd position from the 1st position by using hinge 81 as a fulcrum. In other words, the filter contact member 53 is separated from the outer peripheral surface of the filter member 31b so as to avoid hard dust.
- the first and second cleaning tools 51a and 51b are again held in the first position by the spring when the hard dust passes through the filter contact member 53. Therefore, the cleaning operation of the rotating filter 31 can be continuously executed.
- the filter frame 31a to which the filter member 31b is fixed and the base portion 31c may be connected to each other so as to be separable from each other.
- the filter frame 31a to which the filter member 31b is fixed is separated from the separation chamber by manually rotating the first and second cleaning tools 51a and 51b from the first position to the second position. 15 can be taken out. Therefore, the filter frame 31a and the filter member 31b can be washed and repaired, and workability in maintaining the filter 31 is improved.
- the cleaning tool and the filter member are relatively moved by rotating the filter following the removal operation and attachment operation of the dust collection case.
- the present invention is not limited to this.
- the filter may be fixed to the first side wall, and the cleaning tool may be rotated following the operation of removing and attaching the dust collecting case. Even if it does in this way, since a filter and a cleaning tool rotate relatively, the dust adhering to a filter can be removed with a cleaning tool.
- the filter frame to which the filter member is fixed is not limited to a conical shape, and may be a cylindrical shape.
- the dust collection case is pushed up by the pop-up spring of the holding means and the compression coil spring of the filter drive mechanism.
- the pop-up spring is eliminated and the dust collection case is collected only by the compression coil spring. You may make it push up a dust case.
- dust attached to the filter in the separation chamber can be easily removed, and filter maintenance is performed. Can be easily performed.
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Abstract
Description
(1)吸塵口を有する掃除機本体と、(2)上記掃除機本体に収容され、上記吸塵口から空気を吸い込む電動送風機と、(3)上記掃除機本体に収容され、上記吸塵口から吸い込まれた空気中に含まれる塵を遠心力により分離する分離室と、この分離室よりも空気の流れ方向に沿う下流に位置する通気室と、を有する塵分離ケースと、(4)上記塵分離ケースに取り外し可能に取り付けられ、上記分離室で分離された塵を回収する集塵ケースと、(5)上記分離室と上記通気室との間を連通させるように上記塵分離ケースに設けられた通気性を有するフィルターと、を備えている。
Claims (14)
- 吸塵口を有する掃除機本体と、
上記掃除機本体に収容され、上記吸塵口から空気を吸い込む電動送風機と、
上記掃除機本体に収容され、上記吸塵口から吸い込まれた空気中に含まれる塵を遠心力により分離する分離室と、この分離室よりも空気の流れ方向に沿う下流に位置する通気室と、を有する塵分離ケースと、
上記塵分離ケースに取り外し可能に取り付けられ、上記分離室で分離された塵を回収する集塵ケースと、
上記分離室と上記通気室との間を連通させるように上記塵分離ケースに設けられた通気性を有するフィルターと、
上記分離室内で上記フィルターに接することにより、上記フィルターに付着している塵を除去する清掃手段と、
上記塵分離ケースに対する上記集塵ケースの取り外し動作および取り付け動作に連動して上記フィルターと上記清掃手段とを相対的に回転させる駆動手段と、を具備したことを特徴とする電気掃除機。 - 請求項1の記載において、上記塵分離ケースに設けられ、上記集塵ケースに係合することで上記集塵ケースを上記塵分離ケースに保持する保持手段と、
上記保持手段と上記集塵ケースとの係合を解除する解除手段と、
上記集塵ケースを上記塵分離ケースから離脱する方向に付勢する付勢手段と、をさらに備えていることを特徴とする電気掃除機。 - 請求項2の記載において、上記掃除機本体は、上記解除手段を人為的に操作する操作部を有することを特徴とする電気掃除機。
- 請求項1の記載において、上記フィルターは、上記分離室内に突出する中空の筒状をなすとともに、上記清掃手段は、上記フィルターの外周面に接する少なくとも一つの清掃具を有することを特徴とする電気掃除機。
- 吸塵口を有する掃除機本体と、
上記掃除機本体に収容され、上記吸塵口から空気を吸い込む電動送風機と、
上記掃除機本体に収容され、上記吸塵口から吸い込まれた空気中に含まれる塵を遠心力により分離する分離室と、上記分離室よりも空気の流れ方向に沿う下流に位置する通気室と、を有する塵分離ケースと、
上記塵分離ケースに取り外し可能に取り付けられ、上記分離室で分離された塵を回収する集塵ケースと、
上記分離室と上記通気室との間を連通させるように上記塵分離ケースに回転可能に支持された通気性を有するフィルターと、
上記塵分離ケースに対する上記集塵ケースの取り外し動作および取り付け動作に連動して上記フィルターを回転させる駆動機構と、
上記分離室内で上記フィルターに接触し、上記フィルターが回転した時に上記フィルターに付着している塵を除去する清掃手段と、を具備したことを特徴とする電気掃除機。 - 請求項5の記載において、上記フィルターは、上記塵分離ケースから上記集塵ケースを取り外す時に第1の方向に回転するとともに、上記塵分離ケースに上記集塵ケースを取り付ける時に上記第1の方向とは逆向きの第2の方向に回転することを特徴とする電気掃除機。
- 請求項6の記載において、上記駆動機構は、(1)上記フィルターと一緒に回転する歯車と、(2)上記塵分離ケースに支持され、上記集塵ケースの取り外し動作および取り付け動作に追従して直線運動するとともに上記歯車と噛み合うラックを有するロッドと、を備えていることを特徴とする電気掃除機。
- 請求項7の記載において、上記塵分離ケースに設けられ、上記集塵ケースに係合することで上記集塵ケースを上記塵分離ケースに保持する保持手段と、
上記保持手段と上記集塵ケースとの係合を解除する解除手段と、
上記集塵ケースを上記塵分離ケースから離脱する方向に付勢する付勢手段と、をさらに備えていることを特徴とする電気掃除機。 - 請求項5の記載において、上記フィルターは、上記分離室内に突出する中空の筒状であり、上記清掃手段は、上記フィルターの外周面に接する一対の清掃具を有し、上記清掃具は、上記フィルターの径方向に向かい合った位置で上記フィルターの軸方向に延びているとともに、夫々上記フィルターの径方向に沿う外側に進むに従い幅を減じるように尖る縁部を有することを特徴とする電気掃除機。
- 請求項9の記載において、上記塵分離ケースは、上記分離室に開口する入口を含み、この入口は、上記分離室に流入する空気の流れ方向に沿う上流端に位置する開口縁部を有し、上記一方の清掃具は、上記開口縁部の近傍に位置することを特徴とする電気掃除機。
- 請求項9の記載において、上記清掃具は、上記フィルターの外周面から遠ざかる方向に回動可能に上記塵分離ケースに支持されていることを特徴とする電気掃除機。
- 請求項5の記載において、上記フィルターは、上記分離室内に突出する中空の筒状であり、上記清掃手段は、上記フィルターの外周面に接する単一の清掃具を有し、この清掃具は、上記フィルターの軸方向に延びているとともに、上記フィルターの径方向に沿う外側に進むに従い幅を減じるように尖る縁部を有することを特徴とする電気掃除機。
- 請求項12の記載において、上記塵分離ケースは、上記分離室に開口する入口を含み、この入口は、上記分離室に流入する空気の流れ方向に沿う上流端に位置する開口縁部を有し、上記一方の清掃具は、上記開口縁部の近傍に位置することを特徴とする電気掃除機。
- 請求項12の記載において、上記清掃具は、上記フィルターの周方向に少なくとも1回転することを特徴とする電気掃除機。
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EP08864123.8A EP2225993B1 (en) | 2007-12-26 | 2008-12-24 | Electric cleaner |
KR1020107006921A KR101164335B1 (ko) | 2007-12-26 | 2008-12-24 | 전기 청소기 |
JP2009547114A JP5197627B2 (ja) | 2007-12-26 | 2008-12-24 | 電気掃除機 |
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JP (1) | JP5197627B2 (ja) |
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Cited By (9)
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CN102772170A (zh) * | 2011-05-09 | 2012-11-14 | 乐金电子(天津)电器有限公司 | 旋风分离器与过滤盒的连接结构 |
JP2014008306A (ja) * | 2012-07-02 | 2014-01-20 | Hitachi Appliances Inc | 電気掃除機 |
JP2015024275A (ja) * | 2014-10-31 | 2015-02-05 | シャープ株式会社 | 電気掃除機 |
US10143345B2 (en) | 2016-01-22 | 2018-12-04 | Dyson Technology Limited | Vacuum cleaning apparatus |
US10299648B2 (en) | 2016-01-22 | 2019-05-28 | Dyson Technology Limited | Vacuum cleaner |
US10390670B2 (en) | 2016-01-22 | 2019-08-27 | Dyson Technology Limited | Separating apparatus and vacuum cleaner |
CN107280580A (zh) * | 2017-08-23 | 2017-10-24 | 小狗电器互联网科技(北京)股份有限公司 | 集尘杯组件及吸尘器 |
CN107280580B (zh) * | 2017-08-23 | 2022-09-27 | 北京小狗吸尘器集团股份有限公司 | 集尘杯组件及吸尘器 |
CN111230966A (zh) * | 2020-03-20 | 2020-06-05 | 菏泽城建工程发展集团有限公司 | 一种装配式cf板安装中的手持式防尘切割装置 |
Also Published As
Publication number | Publication date |
---|---|
RU2433779C1 (ru) | 2011-11-20 |
EP2225993A1 (en) | 2010-09-08 |
KR101164335B1 (ko) | 2012-07-09 |
EP2225993B1 (en) | 2016-02-24 |
EP2225993A4 (en) | 2014-06-11 |
JP5197627B2 (ja) | 2013-05-15 |
KR20100063754A (ko) | 2010-06-11 |
JPWO2009081946A1 (ja) | 2011-05-06 |
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