JP2008154801A - Dust collection container and electric vacuum cleaner provided with the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a dust collector capable of easily removing dust accumulated in a secondary filter simultaneously with dust disposal without dirtying hands and eliminating clogging of the secondary filter. <P>SOLUTION: This dust collector is provided with a coarse dust chamber 28 having a primary filter 38 for collecting coarse dust, the secondary filter 44 for collecting fine dust passing through the coarse dust chamber 28, an opening part 30 for discharging the dust, a lid body 31 openably/closably covering the opening part 30, a pushout plate 40 for pushing out the dust accumulated inside the coarse dust chamber 28, and a dust removal means 49 associated with the operation of the push-out plate 40 and removing the dust attached to the secondary filter 44. When disposing the dust, the dust removal means 49 associated with the pushout plate 40 scrapes off the dust accumulated on the secondary filter 44 so as to reduce the lowering of the air volume due to the clogging of the secondary filter 44, dispense with dust removal work by the secondary filter 44 and improve the maintenance of the secondary filter 44. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a dust collecting container mounted on a main body of a vacuum cleaner and a vacuum cleaner having the dust collecting container.

A conventional dust collection container of this type includes a primary filter that filters coarse dust, a secondary filter that collects fine dust that has passed through the primary filter, and a lid that can be opened and closed. There is one in which dust accumulated in a container is discarded (for example, see Patent Document 1).
JP 2004-121722 A

  However, in the configuration of the conventional dust collecting container as described above, dust is adsorbed on the surface of the secondary filter that collects fine dust that has passed through the primary filter that filters coarse dust, causing clogging, and suction of dust. There existed a subject that suction performance fell early. In addition, the dust adhering to the surface of the secondary filter sometimes accumulates without dropping, and at that time, it is necessary to drag the garbage with bare hands or chopsticks, which is unsanitary and takes a lot of work. There was a problem.

  The present invention solves the above-mentioned conventional problems, and improves the dust separation of the secondary filter in the dust collection container, and can be easily disposed of and can be easily discarded. The purpose is to provide.

  In order to solve the above-described conventional problems, the dust collection container of the present invention includes a coarse dust chamber having a primary filter for collecting coarse dust, and a secondary filter for collecting fine dust that has passed through the coarse dust chamber. , An opening for dust discharge, a lid that covers the opening so as to be openable and closable, a push-out plate that pushes out dust accumulated in the coarse dust chamber, and an operation of the push-out plate, It is equipped with dust removal means to remove the adhering dust. When throwing away the dust, the dust removal means interlocked with the push-out plate scrapes off the dust accumulated on the secondary filter and reduces the air volume drop due to clogging of the secondary filter. In addition, there is no need to remove dust from the secondary filter, and the maintainability of the secondary filter can be improved.

  Moreover, the vacuum cleaner of the present invention includes the dust collecting container according to any one of claims 1 to 6, and can reliably remove dust accumulated on the secondary filter without soiling the hand, Moreover, it is easy to dispose of dust and is easy to use.

  The dust collecting container and the vacuum cleaner of the present invention can remove dust accumulated on the secondary filter without dirtying by hand, prevent clogging of the secondary filter, and easily dispose of dust. it can.

  The first invention includes a coarse dust chamber having a primary filter for collecting coarse dust, a secondary filter for collecting fine dust that has passed through the coarse dust chamber, an opening for discharging dust, and the opening. A lid that freely opens and closes, an extrusion plate that pushes out dust accumulated in the coarse dust chamber, and a dust removal means that removes dust adhering to the secondary filter in conjunction with the operation of the extrusion plate Therefore, when the dust is thrown away, the dust removal means that works in conjunction with the push-out plate scrapes off the dust accumulated on the secondary filter, reducing the air volume drop due to clogging of the secondary filter, and removing the dust from the secondary filter. It becomes unnecessary and the maintainability of the secondary filter can be improved.

  In particular, the second invention uses the secondary filter having the concavo-convex portion of the first invention, and provides the concavo-convex shape portion at a position of the dust removing means facing the concavo-convex portion of the secondary filter. Thus, at least the dust attached to the recesses is scraped out of the uneven portions, and the dust deposited on the secondary filter is efficiently and surely scraped off by scraping out the recesses on which the dust easily accumulates. Is possible.

  In the third invention, in particular, the uneven portion of the dust removing means of the second invention is brought into sliding contact with the uneven portion of the secondary filter, and the uneven portion of the secondary filter and the uneven shape of the dust removing means. The gap between the parts is eliminated, and fine fine dust accumulated on the secondary filter can be surely scraped off.

  In the fourth invention, in particular, the portion of the concavo-convex shape portion of the dust removing means of the second or third invention that is in sliding contact with the concavo-convex portion of the secondary filter is formed of a soft material, and the surface of the secondary filter is damaged. The durability of the secondary filter can be improved.

  In the fifth invention, in particular, a brush is provided on a portion of the concavo-convex shape portion of the dust removing means of the second or third invention that is in sliding contact with the concavo-convex portion of the secondary filter, and the surface of the secondary filter is more damaged. As a result, the durability of the secondary filter is improved and the dust scraping performance is improved.

  In the sixth invention, in particular, the concave / convex ridgeline of the secondary filter according to any one of the second to fifth inventions is set in the vertical direction, and the concave / convex shape portion of the dust removing means is inclined downward. Even if dust adheres to the concavo-convex shape portion, the dust falls by its own weight along the inclined surface, so that the dust does not accumulate on the concavo-convex shape portion of the dust removal means, and as a result, the dust accumulated on the dust removal means is removed. Work becomes unnecessary and the maintainability of the dust removing means can be improved.

  7th invention is what equipped the vacuum cleaner with the dust collecting container of any one of Claims 1-6, and can remove dust deposited on a secondary filter reliably, without dirtying a hand, In addition, it is possible to provide a vacuum cleaner that is easy to dispose of dust and is easy to use.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
A dust collecting container and a vacuum cleaner equipped with the dust collecting container according to the first embodiment of the present invention will be described with reference to FIGS.

  FIG. 1 is an overall perspective view of a vacuum cleaner equipped with a dust collecting container in the present embodiment, FIG. 2 is a sectional view of the vacuum cleaner, FIG. 3 is a sectional view of the dust collecting container, and FIG. FIG. 5 is a perspective view showing a dust box main body and a filter unit of the dust collection container, FIG. 5 is a partially omitted perspective view of the dust collection container, and FIG. 6 is a cross-sectional view of the dust collection container with its lid open. 7 is a perspective view showing the shape of the dust removing means of the dust collecting container.

  1 and 2, the vacuum cleaner main body 1 is provided with an electric blower chamber 3 having an electric blower 2 built in at the rear, and a dust collecting container for storing a dust collecting container 4 that is detachable and separates and collects dust at the front. A container storage portion 5 is arranged, a pair of traveling wheels 6 are rotatably attached to both sides of the lower rear portion, and a traveling caster 7 is similarly attached to the bottom front portion.

  At the front of the vacuum cleaner main body 1, there is provided an air inlet 10 to which a connection pipe 9 provided at one end of the hose 8 is detachably connected.

  The other end of the hose 8 is provided with a tip pipe 12 having a handle 11 that is gripped during cleaning. Reference numeral 13 denotes an extendable or jointable extension pipe, the downstream end of which is detachably connected to the tip pipe 12, and the other end is a suction tool incorporating a rotating brush (not shown) for dusting. 14 is detachably connected.

  A bumper 15 is formed of an elastic material and extends from the front part to both sides of the cleaner body 1 so that it does not damage furniture, pillars, etc. when the cleaner body 1 travels. Is for.

  Reference numeral 16 denotes a main body handle which is used in a standing manner when carrying the cleaner body 1 and is rotatably attached to the upper portion of the cleaner body 1 so that the center of rotation is located on a vertical line passing through the center of gravity of the cleaner body 1. It has been.

  2 and 3, 17 is a dust box handle that is gripped when carrying the dust collection container 4 or removing the dust collection container 4 from the dust collection container storage 5 of the cleaner body 1. The outer shell of the vacuum cleaner main body 1 is composed of a lower body 1a and an upper body 1b in which an electric blower chamber 3 for housing the electric blower 2 is formed in the rear.

  The front part of the electric blower 2 is supported in the electric blower chamber 3 by a support fly 18 made of an elastic body, and the rear part is a support fly 19 made of an elastic material. Reference numeral 20 denotes a partition wall that partitions the electric blower chamber 3 and the dust collecting container storage portion 5. A lattice-shaped partition opening portion 21 that communicates with the suction opening 2 a of the electric blower 2 is provided in the approximate center. The dust filter container 5 is covered with a tertiary filter 22 from the side of the dust container storage unit 5.

  A power cord 23 is detachably provided at a lower rear portion of the dust container storage unit 5 by a mechanism (not shown).

  Next, the configuration of the dust collecting container 4 will be described with reference to FIGS.

  2 to 4, the dust collecting container 4 includes a dust box body 24 and a filter unit 25 that is detachably attached to the rear opening of the dust box body 24.

  First, a configuration for collecting dust sucked together with air from the suction tool 14 will be described.

  When the dust container 4 is attached to the dust container housing 5 of the cleaner body 1, the packing 26 provided behind the suction port 10 of the cleaner body 1 is in airtight contact with the dust box body 24. The dust box body 24 is provided with a suction port 27 through which air is communicated. The dust box body 24 further includes a coarse dust chamber 28 that directly communicates with the suction port 27 and stores coarse dust. Fine dust contained in the suction air that has passed through the coarse dust chamber 28 is captured by the filter unit 25. It has become so.

  The dust box body 24 is further provided with a fine dust chamber 29 for storing fine dust separated from the filter unit 25, and a cover 31 for covering the coarse dust chamber 28 and the opening 30 of the fine dust chamber 29. The lid 31 is pivotally supported by the dust box main body 24 at the rear end.

  3, 5, and 6, the front portion of the lid body 31 is locked by a buckle 32 provided on the dust box main body 24, and the lid body 31 is held in a closed state. When the operation part 33 provided on the control part 33 is pressed, the convex part 34 integrally formed with the operation part 33 presses the flat part 35 of the buckle 32, moves the buckle 32 outward (direction A), and the buckle 32 and the lid The front 31 is unlocked and the lid 31 is opened as shown in FIG.

  3 and 4, the coarse dust chamber 28 has an inclined surface 36 that gradually spreads toward the opening 30 on the entire circumference (four side walls), and includes a plurality of openings 37 on the inclined surface 36. Each opening 37 has a mesh-like primary filter 38. In addition, an extrusion plate 40 having a filter 39 and being pushed downward while scraping off dust is provided at the upper portion of the coarse dust chamber 28, and the shaft 40 a of the extrusion plate 40 is connected to a locking portion 41 at one end of the operation portion 33. Has been.

  With the above configuration, the pusher plate 40 is moved downward by operating the operation part 33 downward, and at the same time, the convex part 34 integrally formed with the operation part 33 pushes the flat part 35 of the buckle 32 and pushes the buckle 32. The lid 31 is opened by moving it outward.

  3 and 4, the filter unit 25 includes a frame body 42 and a secondary filter 44 in which a plurality of uneven portions 43 are formed by pleating.

  A lip 45 is integrally or integrally formed at the downstream end of the frame body 42 of the filter unit 25, and when the dust container 4 is attached to the dust container container 5, The lip 45 is pressed against the surface of the vacuum cleaner body 1 on the surface of the dust collection container housing 5 and is prevented from sucking outside air during operation of the electric blower 2.

  The front face 46 of the filter unit 25 covers the rear opening 47 of the coarse dust chamber 28 in an airtight manner when the filter unit 25 is mounted on the dust box body 24.

  A screw boss 48 is formed on the extrusion plate 40 having a filter 39 for scraping off dust, and a substantially L-shaped dust removing means 49 is fastened to the screw boss 48 with a screw 55 or the like.

  As shown in FIG. 4, the dust removing means 49 has a substantially comb-blade shape so that the one end 50 located at a position facing the uneven portion 43 of the secondary filter 44 enters the uneven portion 43 of the secondary filter 44 as shown in FIG. 4. The uneven portion 51 is formed.

  The operation and action of the dust collecting container in the present embodiment configured as described above are as follows.

  When the operation of the vacuum cleaner is started, the suction force by the electric blower 2 passes through the tertiary filter 22, the secondary filter 44, the primary filter 38 and the filter 39, and then passes through the coarse dust chamber 28, the hose 8 and the extension pipe 13, and the suction tool. 14 is reached. Then, the air containing dust sucked from the suction tool 14 passes through the suction port 10 of the cleaner body 1 and enters the coarse dust chamber 28 straight from the suction port 27 of the dust box body 24, and hits the primary filter 38 and the filter 39. It is collected and deposited there. Fine dust contained in the air that has passed through the primary filter 38 and the filter 39 is captured by the secondary filter 44.

  When removing the dust collection container 4 from the dust collection container storage 5, it is only necessary to hold the dust box handle 17 and lift the dust collection container 4 upward.

  3 and 6, when the operation part 33 is pushed, the convex part 34 formed integrally with the operation part 33 pushes the flat part 35 of the buckle 32, and the buckle 32 is outward (A ), The claw fitting with the front part of the lid 31 is released, and the lid 31 is opened. At this time, the push-out plate 40 connected to the operation unit 33 moves in the direction of the arrow B, and the dust accumulated in the coarse dust chamber 28 is scraped out.

  In conjunction with this series of operations, the one end 50 of the dust removing means 49 connected to the pusher plate 40 slides on the concave and convex portion 43 of the secondary filter 44 in the C direction. When the one end 50 of the dust removing means 49 slides, the dust accumulated on the concave and convex portion 43 of the secondary filter 44 is scraped off, and a reduction in the air volume due to clogging of the secondary filter 44 can be reduced.

  As a result, it is not necessary to remove dust accumulated on the secondary filter 44 in conjunction with the waste disposal work, and the maintainability of the secondary filter 44 can be improved.

  Further, by sliding the uneven portion 51 formed on the one end 50 of the dust removing means 49 with the uneven portion 43 of the secondary filter 44, the dust uniformly deposited on the uneven portion 43 of the secondary filter 44 is surely scraped. A high cleaning effect is obtained.

  In FIG. 4, if the concave and convex portion 51 of the one end 50 of the dust removing means 49 is formed of a soft material, the surface of the secondary filter 44 is not damaged and the durability of the secondary filter 44 is improved. be able to.

  In addition, as shown in FIG. 7, when a brush 52 made of synthetic resin such as nylon is planted or fixed to the end of the uneven portion 51 at one end 50 of the dust removing means 49, the uneven portion 43 of the secondary filter 44. It is possible to more reliably sweep out the fine dust accumulated on the surface, and a high cleaning effect can be obtained.

  Further, if the concave / convex shape portion 51 of the one end 50 of the dust removing means 49 and the concave / convex portion 43 of the secondary filter 44 are brought into sliding contact with each other, the dust deposited on the concave / convex portion 43 of the secondary filter 44 can be more reliably secured. It can be scraped and a higher cleaning effect can be obtained.

  In the present embodiment, as shown in FIG. 4, the secondary filter 44 is configured as a pleated filter having folds in the vertical direction so that the ridges of the concave and convex portions are in the vertical direction, as shown in FIGS. The concave-convex shape portion 51 at one end 50 of the dust removing means 49 is inclined downward to provide an inclined surface 53 and inserted along the concave-convex portion of the secondary filter 44.

  Due to the above configuration, when the concavo-convex shape portion 51 of the one end 50 of the dust removing means 49 slides on the concavo-convex portion 43 of the secondary filter 44, even if dust remains on the concavo-convex shape portion 51 of the one end 50 of the dust removal means 49, The dust slides by its own weight along the inclined surface 53 and falls into the fine dust chamber 29 that stores the fine dust.

  As described above, according to the present embodiment, the work for removing dust accumulated on the dust removing means 49 is eliminated with a simple configuration, and the maintainability of the dust removing means 49 can be improved.

  As described above, the dust collecting container and the vacuum cleaner according to the present invention can easily remove the dust accumulated on the secondary filter provided in the dust collecting container without rubbing the hands at the same time as throwing away the garbage. It is useful for household and commercial vacuum cleaners that have removable dust collection containers.

Whole perspective view of the vacuum cleaner carrying the dust collecting container in Embodiment 1 of this invention Cross section of the vacuum cleaner Cross section of the dust container The perspective view which shows the dust box main body and filter unit of the dust collecting container Partial perspective view of the dust collection container Sectional view of the dust container with the lid open The perspective view which shows the shape of the dust removal means of the dust collecting container

Explanation of symbols

DESCRIPTION OF SYMBOLS 4 Dust collection container 28 Coarse dust chamber 30 Opening part 31 Cover body 38 Primary filter 40 Extrusion board 43 Uneven part 44 Secondary filter 49 Dust removal means 51 Uneven shape part 52 Brush 53 Inclined surface

Claims (7)

A coarse dust chamber having a primary filter for collecting coarse dust, a secondary filter for collecting fine dust that has passed through the coarse dust chamber, an opening for discharging dust, and a lid for opening and closing the opening. A dust collecting container provided with a body, an extrusion plate for extruding dust accumulated in the coarse dust chamber, and a dust removing means for removing dust adhering to the secondary filter in conjunction with the operation of the extrusion plate. Using a secondary filter having a concavo-convex portion, providing a concavo-convex shape portion at a position of the dust removing means facing the concavo-convex portion of the secondary filter, and the ruggedness-shaped portion, and dust adhered to at least the concave portion of the concavo-convex portion The dust collecting container according to claim 1, which is scraped off. The dust collecting container according to claim 2, wherein the concave and convex portion of the dust removing means is brought into sliding contact with the concave and convex portion of the secondary filter. The dust collecting container according to claim 2 or 3, wherein a portion of the concavo-convex shape portion of the dust removing means that is in sliding contact with the concavo-convex portion of the secondary filter is formed of a soft material. The dust collecting container according to claim 2 or 3, wherein a brush is provided on a portion of the concavo-convex shape portion of the dust removing means that is in sliding contact with the concavo-convex portion of the secondary filter. The dust collecting container according to any one of claims 2 to 5, wherein the secondary filter has an uneven ridge line as a vertical direction, and the uneven shape portion of the dust removing means is inclined downward. The vacuum cleaner provided with the dust collecting container of any one of Claims 1-6.

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