JP2005270504A - Dust collector and vacuum cleaner - Google Patents

Abstract

A dust collection cup with improved usability is provided.
A rotator 35 movably provided in a first dust collecting section 23 is moved to selectively close either one of a first exhaust port 32 or a communication port 65, and the rotator 35 When the first exhaust port 32 and the communication port 65 are selected, the communication port is slidably contacted to the upstream side of the first filter 34 and scrapes off dust adhering to the first filter 34, so that the communication port can be used during normal cleaning. When the dust collected in the first dust collecting portion 23 with the 65 closed is collected in a predetermined amount or more, the first exhaust port 32 is closed only by rotating the rotating body 35 and the first dust collecting portion. The dust attached to the first filter 34 can be scraped off in conjunction with the movement of the dust in the second dust collecting section 24, and the usability can be improved.
[Selection] Figure 1

Description

  The present invention relates to a dust collector including a filter and a vacuum cleaner including the dust collector.

Conventionally, as a dust collector of this type used in, for example, a vacuum cleaner, a dust collecting cup body provided with a suction port communicating with the downstream side of the main body suction port and an exhaust port communicating with the suction side of the electric blower is used. Have. In the dust collection cup body, a dust separation part for separating dust contained in the air sucked from the suction port from the air is provided. The dust separation unit includes a separation unit communication port communicating with the exhaust port, and a separation unit filter provided at the separation unit communication port. In the dust collection cup body, a dust collection part for collecting the dust separated by the dust separation part is provided. This dust collection part is provided with the dust collection part communication port connected to an exhaust port, and the dust collection part filter provided in this dust collection part communication port (for example, refer patent document 1).
Japanese Patent No. 3460832 (page 4-6, FIG. 3)

  However, in the above dust collector, when each filter is clogged, the air passage from the suction port to the exhaust port is closed and the suction force by the electric blower is reduced. Therefore, each time the filter is clogged, the dust collector must be installed. It must be removed from the vacuum cleaner, the dust cup main body is opened, the dust collected in the dust collector is discarded, and the dust adhering to each filter is removed to restore the suction force.

  As a result, the above-described dust collector has a problem that the operation of removing dust accumulated inside is complicated and the usability is not good.

  This invention is made | formed in view of such a point, and it aims at providing the dust collector which improved usability, and a vacuum cleaner provided with the same.

  The present invention includes a first dust collecting section having a suction port for sucking air and a first exhaust port for exhausting air, and a second exhaust port communicating with the first exhaust port, A second dust collecting portion provided below the dust collecting portion, a communication port communicating the first dust collecting portion and the second dust collecting portion, a filter provided at the first exhaust port, A movable body that is movably provided in the first dust collecting part and that can selectively close either one of the first exhaust port and the communication port by movement, and the movable body is a first exhaust port. Further, when selecting the closing of the communication port, it is possible to scrape dust adhering to the filter by sliding contact with the upstream side of the filter.

  According to the present invention, the movable body that is movably provided in the first dust collecting section is moved to selectively close either the first exhaust port or the communication port, and the movable body is the first When the opening and closing of the exhaust port and the communication port are selected, the communication port is closed during normal cleaning by sliding in contact with the upstream side of the filter and scraping off dust adhering to the filter. When the dust collected in the dust part accumulates a predetermined amount or more in the first dust collection part, the first exhaust port is closed only by moving the moving body, and the dust in the first dust collection part is removed. It becomes possible to scrape off dust adhering to the filter in conjunction with the movement to the dust collecting section, thereby improving usability.

  Hereinafter, the configuration of a vacuum cleaner according to an embodiment of the present invention will be described with reference to FIGS. 1 to 6.

  In FIG. 6, reference numeral 1 denotes a cleaner body, and an electric blower 2 is accommodated in the cleaner body 1. The vacuum cleaner body 1 is a so-called canister-type vacuum cleaner, and captures and collects the dust sucked together with the intake air generated by driving the electric blower 2.

  The vacuum cleaner body 1 includes a lower case 3 having an upper opening and a lid 4 that covers the upper portion of the lower case 3 so as to be openable and closable, and includes a main body case 5 that houses the electric blower 2 therein. . A main body suction port 6 is opened at the front of the main body case 5 as a connection port for sucking air from the outside. An elongated substantially cylindrical hose body 7 is connected to the main body suction port 6. At the tip of the hose body 7, a hand operation unit 8 that can select an operation mode of the electric blower 2 is provided.

  The hand operating unit 8 is provided with a plurality of setting buttons 11 for setting the driving state of the electric blower 2 and the like in the cleaner body 1 to a predetermined state. A gripping portion 12 that protrudes from the proximal end side. In addition, an elongated substantially cylindrical extension tube 13 is detachably connected to the distal end of the hand operation unit 8. Further, a floor brush 14 that is installed on, for example, a carpet on the floor of the room and sucks dust on the carpet is detachably connected to the tip of the extension pipe 13.

  Further, a dust collecting cup 21 as a dust collecting device is provided in the cleaner body 1. The dust collection cup 21 is formed of a member such as a resin, for example, and is sandwiched between the lower case 3 and the lid body 4 so as to be detachable from the cleaner body 1. As shown in FIGS. 1 to 3 and the like, the dust collection cup 21 includes a first dust collection unit 23 located at the upper front side and a second dust collection unit located below the first dust collection unit 23. Each part 24 is provided.

  The first dust collecting portion 23 is formed in a cylindrical shape having an axial direction along the width direction of the cleaner body 1. In addition, the first dust collecting portion 23 has a suction port 31 that communicates with the downstream side of the main body suction port 6 in a state where the dust collection cup 21 is attached to the main body case 5 of the cleaner body 1. A plurality of first exhaust ports 32 that are formed in the opening and communicate with the suction side of the electric blower 2 are formed in the rear side that is the downstream side. That is, the first dust collecting unit 23 has an axial direction that intersects, for example, a direction orthogonal to the air path extending from the suction port 31 to the first exhaust port 32. Further, both end portions in the axial direction of the first dust collecting portion 23 protrude in the width direction from the second dust collecting portion 24 as shown in FIG. 5 and FIG. 3 and a round hole-like fitting hole 33 provided over the lid body 4 and is substantially flush with the side portion of the main body case 5.

  The suction port 31 sucks in air containing dust sucked in from the main body suction port 6 and is provided in a cylindrical shape as shown in FIGS. 1 to 3, and is close to the upper part of the first dust collecting unit 23. From the position, it projects substantially horizontally toward the main body suction port 6. That is, the central axis of the suction port 31 is located above the central axis of the first dust collecting unit 23.

  Each exhaust port 32 exhausts air sucked into the first dust collecting portion 23 from the suction port 31, and a lower end portion is positioned above the central axis of the suction port 31. Further, as shown in FIG. 3, these first exhaust ports 32 are formed in a quadrangular shape and are spaced apart from each other at substantially equal intervals in the width direction of the dust collection cup 21. A mesh-shaped first filter 34 as a filter is attached to each exhaust port 32.

  The first filter 34 collects fine dust contained in the air passing through the first exhaust port 32, and is substantially flush with the upstream opening surface of the first exhaust port 32. Is attached.

  Further, a rotating body 35 as a moving body is coaxially attached to the first dust collecting portion 23 so that it can move, that is, rotate. As shown in FIG. 4, the rotating body 35 includes a substantially semi-cylindrical rotating body main body 41, a handle 42 that is an arm portion as a gripping body provided at one end of the rotating body main body 41 in the axial direction, A disk-shaped side plate 43 positioned between the rotary body 41 and the handle 42, and a washer 44 and a bolt 45 for fixing the handle 42 to the rotary body 41 are provided.

  The rotating body 41 has a semicircular arc-shaped outer peripheral surface portion 41a having an outer diameter along the inner peripheral surface of the first dust collecting portion 23, and a plane portion formed between both side portions of the outer peripheral surface portion 41a. 41b, and the inside is pierced from the flat portion 41b side. Accordingly, the rotating body main body 41 has dust that adheres to the first filter 34 as a result of the rotation, the corner portion adjacent to the outer peripheral surface portion 41a and the flat surface portion 41b is in sliding contact with the upstream side of the first filter 34. The scraping portions 46 and 47 are used to scrape off. In addition, a substantially cylindrical mounting portion 48, which is inserted into the handle 42 and to which the handle 42 is attached, protrudes coaxially with the central axis of the rotary body 41 at one end in the axial direction of the rotary body 41. Has been.

  As shown in FIGS. 3 and 4, the mounting portion 48 is provided with a cutout portion 49 that is cut out in a planar shape from the distal end portion to the axial central region. By this cutout portion 49, the attachment portion 48 is formed with a shaft portion 48a serving as a proximal end portion and a fitting portion 48b serving as a distal end portion.

  The shaft portion 48a is provided in a columnar shape.

  The fitting portion 48b is formed in a substantially semi-cylindrical shape, and a screw stop hole 48c into which the bolt 45 is screwed is formed at the tip.

  In addition, a cylindrical shaft portion 51 that rotatably supports the rotating body 35 on the first dust collecting portion 23 is provided at the other end portion of the rotating body main body 41 in the axial direction. It protrudes coaxially. The shaft 51 is rotatable to a concave shaft support recess 52 provided at one end in the axial direction of the first dust collecting portion 23 with the rotating body 35 attached to the first dust collecting portion 23. It is pivotally supported. Here, the shaft support recessed portion 52 is provided coaxially with the central axis of the first dust collecting portion 23.

  The handle 42 includes a substantially cylindrical attached portion 56 having an insertion hole 55 through which the attachment portion 48 is inserted, a protruding portion 57 projecting radially from the attached portion 56, and the protruding portion 57. And a handle grip 58 provided at the tip.

  The insertion hole 55 is formed in a substantially semicircular shape along the outer surface of the fitting portion 48b of the attachment portion 48. The handle 42 is prevented from rotating with respect to the rotating body 41 by fitting the insertion hole 55 into the fitting portion 48b.

  The attached portion 56 serves as a rotating shaft of the handle 42, and one end side in the axial direction is in contact with the shaft portion 48a and the side plate 43 of the mounting portion 48, and the washer 44 is in contact with the other end side in the axial direction.

  The protruding portion 57 is provided in a flat plate shape in the radial direction of the attached portion 56, for example.

  The handle gripping portion 58 is provided in a columnar shape, and protrudes from the distal end portion of the protruding portion 57 along the axial direction of the rotating body 35.

  The side plate 43 is fixed to a circular mounting opening 61 formed at the other end in the axial direction of the first dust collecting portion 23 with the rotating body 35 attached to the first dust collecting portion 23. Then, the mounting opening 61 is closed. In addition, a cylindrical mounting protrusion 62 through which the mounting portion 48 is rotatably inserted is protruded from the center portion of the side plate 43 on the handle 42 side. Further, the mounting protrusion 62 is formed with a round hole-shaped fitting hole 63 fitted in the shaft portion 48a of the mounting portion 48 in the center. Therefore, the side plate 43 pivotally supports one end of the rotating body main body 41 in the axial direction in a state where the rotating body 35 is attached to the first dust collecting portion 23.

  As a result, as shown in FIGS. 5 and 6, the handle 42 protrudes to one side in the width direction of the main body case 5, and the rotating body 35 can be operated outside the main body case 5 through the handle 42. ing.

  Further, the side plate 43 is provided with a display unit (not shown) that displays the rotational position of the rotating body main body 41 so that it can be visually confirmed from the outside of the main body case 5.

  The first dust collecting unit 23 and the second dust collecting unit 24 are provided below the first dust collecting unit 23 on the rear side of the suction port 31 and on the front side of the first exhaust port 32. A communication port 65 communicating with each other is provided.

  As shown in FIGS. 1 and 2, the communication port 65 is opened downward in the radial direction of the first dust collecting portion 23. The opening center of the communication port 65 is located along a vertical line perpendicular to the central axis of the first dust collecting unit 23. Further, the communication port 65, the suction port 31, and the first exhaust port 32 are spaced apart from each other at substantially equal intervals in the circumferential direction of the first dust collecting unit 23.

  The communication port 65 has a front end portion and a rear end portion facing the outer peripheral surface portion 41a of the rotating body main body 41 in a state where the scraping portion 47 of the rotating body main body 41 is located at the lower end portion of the first exhaust port 32, Only the rear end portion is provided at a position facing the outer peripheral surface portion 41 a of the rotating body main body 41 in a state where the scraping portion 47 of the rotating body main body 41 is positioned at the upper end portion of the first exhaust port 32. That is, as shown in FIG. 1, the rotary body 35 closes the communication port 65 when the first exhaust port 32 is open, and the rotary body 35 is the first when the communication port 65 is open as shown in FIG. The exhaust port 32 is closed. In other words, the rotator 35 selectively closes the first exhaust port 32 and the communication port 65 by rotation.

  The second dust collecting portion 24 has a larger volume than the first dust collecting portion 23, and the front wall portion 71 serving as the front end portion of the communication port 65 and the rear wall portion serving as the rear end portion of the dust collecting cup 21. 72, side wall portions 73, 73 connecting the front wall portion 71 and the rear wall portion 72, and an upper wall portion 74 provided from the rear portion of the first dust collecting portion 23 to the rear wall portion 72, It is partitioned and formed in a rectangular box shape.

  The front wall portion 71 is provided substantially vertically along the vertical direction. In addition, a cup gripping portion 75 that protrudes from below the suction port 31 of the first dust collecting portion 23 and that can grip the dust collecting cup 21 is integrally provided on the front side of the front wall portion 71. . Here, as shown in FIG. 6, the cup gripping portion 75 is exposed to the outside of the main body case 5 with the dust collection cup 21 attached to the main body case 5.

  The rear wall portion 72 is provided substantially vertically along the vertical direction so as to be substantially parallel to the front wall portion 71. Further, the rear wall portion 72 protrudes upward from the upper wall portion 74 at the upper end portion.

  As shown in FIG. 3, the side wall portions 73, 73 are positioned closer to the center side in the width direction of the dust collection cup 21 than both ends in the axial direction of the first dust collection portion 23. These side wall portions 73 and 73 are located inside the lower case 3 with the dust collection cup 21 attached to the main body case 5.

  As shown in FIGS. 1 and 2, the upper wall 74 projects horizontally from the position between the rear communication port 65 and the first exhaust port 32 at the rear of the first dust collecting unit 23. Has been. Further, a second exhaust port 76 communicating with the downstream side of the first exhaust port 32 is formed in the upper wall portion 74. A mesh-like second filter 77 is attached to the second exhaust port 76.

  Further, a rectangular dust disposal port 81 whose periphery is surrounded by a front wall portion 71, a rear wall portion 72, and both side wall portions 73 and 73 is opened below the second dust collecting portion 24. The dust disposal port 81 is closed so as to be openable and closable by a lower lid portion 82 as a dust collecting portion lid. The lower lid portion 82 is airtightly attached to the dust disposal port 81 via an annular seal packing 83.

  And the upper cover part 85 is provided in the rear part of the 1st dust collection part 23 across the back wall part 72 so that attachment or detachment is possible. The upper lid portion 85 defines an exhaust space portion 86 together with the rear portion of the first dust collecting portion 23, the rear wall portion 72, the upper wall portion 74, and the side wall portions 73 and 73. The exhaust space 86 has a first exhaust port 32 on the front side and a second exhaust port 76 on the lower side. The rear wall portion 72 on the rear side has a suction side of the electric blower 2. A discharge port 87 communicating with is formed. The discharge port 87 is provided coaxially with the central axis of the suction port 31, for example.

  Next, the operation of the above embodiment will be described.

  First, both end portions of the first dust collecting portion 23 of the dust collecting cup 21 are fitted in the fitting holes 33 and placed on the lower case 3, and the lid body 4 is rotated and closed.

  Next, the handle gripping portion 58 is gripped and the handle 42 is rotated in the circumferential direction of the first dust collecting portion 23 so that the rotating body main body 41 of the rotating body 35 closes the communication port 65 as shown in FIG. And

  Further, the hose body 7, the extension pipe 13 and the floor brush 14 are sequentially connected to the main body suction port 6, and the electric blower 2 is driven by holding the holding part 12 and pressing a predetermined setting button 11.

  By driving the electric blower 2, dust is sucked together with air from the tip of the floor brush 14, and the dust passes through the extension pipe 13, the hose body 7, and the main body suction port 6 in order and is collected from the suction port 31. The air is sucked into the first dust collecting unit 23 of 21 together with air.

  As for the dust sucked into the first dust collecting section 23, the relatively heavy dust is collected in the first dust collecting section 23, and the relatively small weight is collected by the first filter 34. Collected and separated from the air.

  The air from which the dust is separated passes through the exhaust space 86 and the discharge port 87 from the first exhaust port 32 and is sucked into the electric blower 2. After passing through the electric blower 2, the exhaust hole of the main body case 5 is exhausted. To the outside of the vacuum cleaner body 1.

  When a predetermined amount or more of dust accumulates in the first dust collecting portion 23, the operator grips the handle gripping portion 58 while rotating the electric blower 2 and rotates the handle 42 to rotate it. The rotating body main body 41 of the body 35 opens the communication port 65 and closes the first exhaust port 32 as shown in FIG.

  Then, an air passage is formed through the second exhaust port 76, the exhaust space portion 86, and the exhaust port 87, and the dust accumulated in the first dust collection unit 23 enters the second dust collection unit 24 together with the air. What is relatively heavy is collected in the second dust collecting section 24 and compressed by air, and what is relatively light is collected by the second filter 77 and separated from the air. The

  At the same time, the scraping portion 47 of the rotating body 41 scrapes off dust adhering to the upstream surface of the first filter 34, cleans the first filter 34, and the suction force by the electric blower 2 is restored.

  Thereafter, the operator rotates the handle 42 again to the state shown in FIG. 1 and continues cleaning.

  When a predetermined amount or more of dust has accumulated in the second dust collecting portion 24, the lower lid portion 82 is opened, and the dust is discarded from the dust disposal port 81 to the outside of the dust collecting cup 21. At this time, dust adhering to the second filter 77 is also cleaned.

  As described above, in the above-described embodiment, by rotating the rotating body 35 provided in the first dust collecting portion 23, either the first exhaust port 32 or the communication port 65 is selectively blocked. In conjunction with this selection, the scraping portions 46 and 47 of the rotary body 41 of the rotary body 35 are in sliding contact with the upstream side of the first filter 34 to scrape dust adhering to the first filter 34. It was set as the composition which takes.

  For this reason, during normal cleaning, the communication port 65 is closed at the outer peripheral surface portion 41a of the rotating body main body 41 of the rotating body 35 to collect dust in the first dust collecting portion 23, and the first dust collecting portion. When a predetermined amount or more of dust is accumulated in the rotary body 23, the rotary body 35 is rotated to close the first exhaust port 32 at the outer peripheral surface 41 a of the rotary body main body 41, and the first dust collection part 23 It is possible to move the dust to the second dust collecting unit 24 and to scrape the dust adhering to the first filter 34.

  As a result, it is possible to maintain a state in which dust is not accumulated in the first dust collecting unit 23 only by rotating the rotating body 35, and the first filter 34 without removing the dust collecting cup 21 from the cleaner body 1. Clogging can be eliminated and, for example, when dust accumulates, usability can be improved compared to the conventional case where the dust collecting cup must be removed from the cleaner body and cleaned.

  At the same time, since the clogging of the first filter 34 can be eliminated, the suction force by the electric blower 2 can be restored, and the dust collection efficiency of the dust collection cup 21 can be easily secured.

  Further, the dust that has been moved to the second dust collection unit 24 is compressed in the second dust collection unit 24, so that the dust collection capacity of the second dust collection unit 24 can be secured.

  Then, by compressing the dust in the second dust collecting part 24, the communication port 65 is closed and the first dust collecting part 23 is used in a normal state, thereby reducing the suction efficiency due to the compressed dust. Dust collection efficiency can be secured without causing it.

  Further, by providing the rotating body 35 with the handle 42 and projecting the handle 42 to the outside of the main body case 5, the rotating body 35 can be easily operated from the outside of the cleaner body 1, and the usability can be further improved.

  Furthermore, by using a relatively simple configuration in which the rotator 35 is manually operated, the manufacturing cost can be reduced as compared with, for example, the case where the rotator is automatically rotated.

  Furthermore, since the moving body can be made space-saving by using the rotating body 35 as a moving body, the space in the first dust collection unit 23, that is, the dust collection capacity of the first dust collection unit 23 can be secured.

  In the above-described embodiment, the rotating body 35 may be configured to automatically operate by detecting clogging of the first filter 34, for example.

  In addition to the rotating body 35, various other configurations such as a configuration for switching a shutter are possible as the moving body.

  Further, the vacuum cleaner is not limited to the canister type, but is an upright type in which the floor brush 14 is directly formed on the lower surface of the vacuum cleaner body 1, and the self-cleaning machine in which the vacuum cleaner body 1 and the floor brush 14 are integrated. Even a traveling vacuum cleaner or a handy type can be used correspondingly.

  The dust collection cup 21 can also be used as a dust collector in an incineration facility such as an incinerator.

It is side surface sectional drawing which shows the closed state of the communicating port of the dust collector of one embodiment of this invention. It is side surface sectional drawing which shows the open state of the communicating port of a dust collector same as the above. It is front sectional drawing which shows a dust collector same as the above. It is a disassembled perspective view which shows a part of dust collector same as the above. It is a perspective view which shows a dust collector same as the above. It is a perspective view which shows the vacuum cleaner provided with the dust collector same as the above.

Explanation of symbols

1 Vacuum cleaner body 2 Electric blower
21 Dust collection cup as dust collector
23 First dust collector
24 Second dust collector
31 Suction port
32 First exhaust
34 First filter as a filter
35 Rotating body as a moving body
65 Communication port
76 Second exhaust

Claims (3)

A first dust collecting part that has a suction port for sucking air and a first exhaust port for exhausting air, and that collects dust contained in the air;
A second exhaust port provided to the lower side of the first dust collector, the second exhaust port communicating with the first exhaust port;
A communication port for communicating the first dust collecting part and the second dust collecting part;
A filter provided in the first exhaust port;
A movable body that is movably provided in the first dust collecting portion, and that can selectively close any one of the first exhaust port and the communication port by movement;
The moving body is capable of scraping dust adhering to the filter by slidingly contacting the upstream side of the filter when selecting the blockage of the first exhaust port and the communication port. Dust equipment. The dust collector according to claim 1, wherein the moving body is a rotating body. A vacuum cleaner body containing an electric blower,
A vacuum cleaner comprising: the dust collecting device according to claim 1, wherein a downstream side communicates with a suction side of the electric blower.

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