JP5388717B2 - Dust collector and vacuum cleaner - Google Patents

Description

  The present invention relates to a dust collector having a dust discharge member for discharging dust from a dust discharge port to the outside of a case body, and a vacuum cleaner provided with the dust collector.

  2. Description of the Related Art Conventionally, a dust collection cup as a dust collector used in a vacuum cleaner has an intake port and an exhaust port formed before and after a case body made of synthetic resin or the like, and a dust exhaust at the bottom of the case body. An exit is formed. Moreover, the cover body which can open and close a dust discharge port is attached to the case body so that rotation is possible. Further, an air passage is defined inside the case body so as to communicate from the intake port to the exhaust port, and a filter is disposed in the air passage. This filter is attached to an extruding part as a dust discharge member integrally formed in a plate shape on the upper part of the lid, and this extruding part is rotated with the lid to open the lid. It is configured to rotate integrally to push out dust stored on the front side of the filter toward the dust outlet (see, for example, Patent Document 1).

JP 2005-152380 A (page 4-6, FIG. 4 and FIG. 6)

  However, the dust collector described above has a problem that it is not easy to discharge the dust adhered to the inner surface of the case body and the dust accumulated in the gap between the pushing portion and the inner surface of the case body.

  This invention is made in view of such a point, and it aims at providing the dust collector which can discharge | emit the dust accommodated in the case body effectively from a dust discharge port, and a vacuum cleaner provided with the same. .

The present invention provides a case body provided with an air inlet, an air outlet, and a dust outlet that is located below and is housed inside, and that collects dust sucked from the air inlet. A first filter portion that is provided with one filter and is rotatably disposed on the case body toward the dust outlet, a lid that is capable of opening and closing the dust outlet, and a pivot body disposed on the case body, A dust discharging member for discharging the dust contained in the container from the dust outlet to the outside of the case body by rotation, and at least a part of the edge of the dust discharge member, and the case by the rotation of the dust discharge member A cleaning member capable of sliding contact with the inner surface of the body , wherein the dust discharge port is positioned downstream of the first filter, and the first filter portion is positioned closer to the dust discharge port than the dust discharge member. is there.

According to the present invention, at least part of the edge portion of the dust discharge member, by attaching the inner surface in sliding contact cleaning member of the case body by the rotation of the dust discharge member, the dust contained in the to case body first when discharged from the dust discharge port located at the bottom and a downstream side of the first filter, the dust and the dust discharge member attached to the inner surface of the case body by the rotation of the dust discharge member and the inner surface of the edge and the case body since even the cleaning member scrapes off the collected dust in the gap, can be effectively discharged case body of the dust from the bottom of the dust discharge port.

It is a longitudinal cross-sectional view which shows a part of vacuum cleaner main body of the vacuum cleaner provided with the dust collector of one embodiment of this invention. It is explanatory sectional drawing which shows typically operation | movement of the dust discharge member of a dust collector same as the above. It is a perspective view which shows a dust collector same as the above. It is a perspective sectional view showing a dust collecting device same as the above. It is a perspective view which shows a vacuum cleaner same as the above.

  Hereinafter, the configuration of an embodiment of the present invention will be described with reference to FIGS.

  In FIG. 5, reference numeral 11 denotes a so-called canister-type vacuum cleaner, and the vacuum cleaner 11 has a pipe part 12 and a vacuum cleaner body 13 to which the pipe part 12 is detachably connected.

  The pipe part 12 is provided on the distal end side of the hose body 16, the connecting pipe part 15 connected to the cleaner body 13, the flexible hose body 16 communicating with the distal end side of the connecting pipe part 15. The hand operating section 17, the extension pipe 18 detachably connected to the distal end side of the hand operating section 17, and the floor brush 19 as a suction port body detachably connected to the distal end side of the extension pipe 18. It has.

  On the hand operating portion 17, a gripping portion 21 protrudes toward the hose body 16, and the gripping portion 21 is provided with a plurality of setting buttons 22 for operation.

  Further, as shown in FIG. 1, the vacuum cleaner main body 13 includes a main body case 25, and an electric blower chamber 28 that houses an electric blower 27 on the rear side of the partition wall 26 formed inside the main body case 25, and A cord reel chamber (not shown) that houses a cord reel around which a power cord (not shown) is wound is partitioned, and the electric blower 27 is connected to the front side of the partition wall 26 through a communication port 31 provided in the partition wall 26. A main body dust collection chamber 35 communicating with the suction side is defined, and a dust collection cup 36 as a dust collector is detachably provided in the main body dust collection chamber 35.

  The main body case 25 is formed of, for example, a rigid synthetic resin, and the upper case 39 that covers the electric blower chamber 28 and the cord reel chamber, which are the upper rear portion of the lower case 38, and the lower case 38 that is open on the upper side. A main body cover 40 that is pivotally supported so as to be pivotable in the vertical direction with respect to the upper case 39 or the lower case 38 and that can open and close the main body dust collecting chamber 35, and a rear panel 41 that covers the rear portions of the electric blower chamber 28 and the cord reel chamber And.

  On the front side of the lower case 38, a main body suction port 43 that communicates with the main body dust collecting chamber 35 and that can be connected to the connection pipe portion 15 is formed. Further, on both sides of the lower case 38, large-diameter traveling wheels 44 (FIG. 5) that allow the cleaner body 13 to travel on the floor surface to be cleaned are rotatably attached. A swivel wheel unit 45 is attached to the lower portion of the lower case 38 so as to turn freely.

  Further, a handle body 47 for carrying the cleaner body 13 is attached to the upper case 39. The handle body 47 is also configured to function as a button for winding the power cord around the cord reel.

  The rear panel 41 is formed with a plurality of main body exhaust holes 49 in the vertical direction and the left-right direction that communicate the electric blower chamber 28 and the cord reel chamber with the outside of the main body case 25 (the vacuum cleaner main body 13).

  As shown in FIGS. 1 to 4, the dust collecting cup 36 includes a case body 51 formed of, for example, a synthetic resin having rigidity, and an exhaust-side filter that is detachably disposed at the rear part of the case body 51. A filter body 52, a lid body 53 pivotally supported at the lower part of the case body 51, and a handle 54 formed at the upper part of the case body 51.

  The case body 51 includes a dust container 56 that substantially stores most of the sucked dust (mainly coarse dust), and a case main body 61 that divides one and the other air passages 57 and 58 through which intake air passes. The filter body attaching part 62 for attaching / detaching the filter body 52 continuously to the rear part which is the downstream side of the case body part 61 and the expanding part 63 continuing to the lower part of the case body part 61 are integrally provided. Yes.

  The case main body 61 has a front surface portion 65 having a rectangular shape in front view, which is an upstream side surface portion, an upper surface portion 66 that continues from the upper portion of the front surface portion 65 to the rear, and continuous to both sides of the front surface portion 65 and the upper surface portion 66. And side portions 67 and 67 are provided. Further, a first filter portion 68 and a second filter portion 69 as a dust discharge member are rotatably attached to the inside of the case main body portion 61.

  In the front surface portion 65, a circular intake port 71 having an opening direction (axial direction) along the front-rear direction is formed horizontally at a substantially central portion in the vertical direction. In the present embodiment, since the opening direction of the intake port 71 is substantially the same between the outer side and the inner side of the case body 51, the opening direction of the intake port 71 on the inner side of the case body 51 and the case body 51 will be described below. The opening direction of the intake port 71 on the outside is not distinguished, and both are referred to as the opening direction of the intake port 71.

  In addition, the front portion of the front surface portion 65 defines an accommodating portion that accommodates a locking body drive mechanism (not shown) for operating the locking bodies 72, 72 for locking the lid 53 to the case body 51. An accommodating section partition body 73 is attached. Further, the lower end portion of the front surface portion 65 is continuous with the upper portion of the expanding portion 63.

  The container section 73 is formed in an arch shape from the upper side of the intake port 71 to the lower parts on both sides, and is fixed to the front surface part 65 by a plurality of screws (not shown). In addition, a cylindrical air guide portion 76 having an axial direction along the opening direction of the air intake port 71 is formed in the central portion of the accommodating portion partitioning body 73, and the air guide portion 76 is upstream of the air intake port 71. Are arranged coaxially. The air guide portion 76 has a dust collecting portion at the front end with respect to the rear end portion of the cylindrical seal member 77 having flexibility (elasticity) attached to the rear portion on the downstream side of the main body suction port 43. By being in pressure contact with the cup 36 attached to the main body dust collection chamber 35, the intake port 71 and the main body suction port 43 are connected in an airtight manner.

  Each locking body 72 is pivotable in the front-rear direction with the upper end portion pivotally supported at the lower portions on both sides of the accommodating section partitioning body 73. Further, the lower end portion of each locking body 72 protrudes below the expanding portion 63, and a claw portion (not shown) for locking the lid 53 is formed at the rear portion of the lower end portion. . Further, each locking body 72 is biased so that the lower end side is rotated rearward by, for example, biasing means such as a spring forming a part of the locking body driving mechanism.

  Further, the upper surface portion 66 is formed to be curved in an arc shape upward, and is inclined upward from the front side (upstream side) to the rear side (downstream side). Further, the front end portion of the upper surface portion 66 is disposed upstream of the upper end portion of the front surface portion 65 as a stepped first stopper portion that restricts the rotation range of the second filter portion 69 (rotation stop). A front stopper portion 79 which is a side) stopper portion is formed.

  Each side surface portion 67 is formed so as to gradually expand from the upper side to the lower side with respect to the front surface portion 65. Further, the lower end portion of each side surface portion 67 is continuous with the upper portion of the expanding portion 63.

  The first filter portion 68 includes a first filter frame portion 81 formed in a frame shape with a synthetic resin having rigidity and the like, and a mesh-like (one) primary filter attached to the first filter frame portion 81. And a lower filter 82 as a planar first filter which is a filtration filter. The first filter portion 68 is located on the lower side, which is the lid 53 side, with respect to the second filter portion 69.

  The first filter frame portion 81 is integrally formed with a front (upstream side) first filter frame portion 84 positioned on the front side and a rear (downstream side) first filter frame portion 85 positioned on the rear side. The first inclined surface 86 to which the lower filter 82 is attached is formed. Further, the outer peripheral edge of the first filter frame portion 81 is in close contact with the inner surface of the case main body portion 61 without a gap. The first filter frame portion 81 is arranged in an inclined shape upward from the front side to the rear side.

  The front first filter frame portion 84 is a front (upstream) first ventilation opening 84a (FIG. 3) as a ventilation opening for constituting one air passage 57 that communicates the upstream side and the downstream side of the lower filter 82. Are formed in a lattice shape having a plurality of and are flat. A frame seal member 84b is attached to the lower end portion, which is the front end portion of the front first filter frame portion 84, and the upper portion of the frame portion seal member 84b is below the intake port 71 and the case main body portion 61. Is in contact with the inner surface of the widened portion 63 located below the front surface portion 65 of the first embodiment. Further, the front first filter frame portion 84 is inclined at a predetermined angle of 45 ° or less in a side view with respect to a horizontal direction that is an opening direction on the inner surface side of the case body portion 61 of the air inlet 71. The lower end portion of the front first filter frame portion 84 is in contact with and supported by the upper portion of the front end side of the lid 53.

  The rear first filter frame portion 85 is a rear (downstream) first ventilation opening 85a (see FIG. 5) as a ventilation opening for constituting one air passage 57 that communicates the upstream side and the downstream side of the lower filter 82. 3) is formed in a lattice shape including a plurality of plates, and has a flat plate shape. Further, a first rib portion 85b having a triangular shape in a side view as a transmission portion that comes into contact with the second filter portion 69 side is provided on the rear upper portion of the rear first filter frame portion 85. It is formed to project at a position between 85a (FIG. 3). Further, the rear first filter frame portion 85 is formed to be bent upward with respect to the front first filter frame portion 84. Further, the upper end portion, which is the rear end portion of the rear first filter frame portion 85, is the lower side of the partition wall portion 87 that is continuous in a wall shape between the side surface portions 67, 67 of the case body portion 61 in the left-right width direction. In this position, a pivot shaft 85c is pivotally supported by the side surface portions 67 and 67 of the case main body 61 so as to be pivotable. Therefore, the first filter portion 68 can be rotated in the vertical direction with respect to the case main body portion 61. Further, the rear first filter frame portion 85 has a predetermined angle of 45 ° or less in a side view with respect to a horizontal direction that is an opening direction on the inner surface side of the case main body portion 61 of the air intake port 71, and the front first It is inclined at an angle larger than that of the filter frame portion 84. Therefore, the first inclined surface 86 as a whole intersects the horizontal direction that is the opening direction of the air inlet 71 on the inner surface side of the case main body 61 at a predetermined angle of 45 ° or less in a side view. The state in which the first inclined surface 86 intersects the opening direction on the inner surface side of the case main body 61 of the intake port 71 at a predetermined angle of 45 ° or less in a side view is, for example, the first inclined surface 86. When the first filter frame portion 81 or the lower filter 82 constituting the curved portion is curved downward in an arc shape, a plane including the front end side and the rear end side of the first filter frame portion 81, or a tangent line ( It also includes a state in which the tangent plane) intersects the opening direction of the air inlet 71 on the inner surface side of the case main body 61 at a predetermined angle of 45 ° or less in a side view.

  The first rib portion 85b is formed with curved corners so as not to form a sharp portion where dust is easily caught.

  The lower filter 82 is disposed so as to block each of the front first ventilation opening 84a (FIG. 3) and the rear first ventilation opening 85a (FIG. 3). In FIG. 3, the lower filter 82 is omitted for convenience.

  The partition wall portion 87 is located on the rear upper side of the expanded portion 63 and on the front side of the filter body attaching portion 62. Further, the partition wall portion 87 is formed in an L shape in a side view in which the front side is bent upward.

  The second filter portion 69 includes a second filter frame portion 88 formed in a plate shape with a synthetic resin having rigidity, and a mesh-like (the other) primary filter attached to the second filter frame portion 88. And an upper filter 89 as a second filter as a planar filter. A dust container 56 is defined between the second filter unit 69 and the first filter unit 68.

  The second filter frame portion 88 forms a second inclined surface 91 to which the upper filter 89 is attached. In addition, the outer peripheral edge of the second filter frame 88 is in close contact with the inner surface of the case main body 61 without a gap. Further, the second filter frame portion 88 includes a plurality of second ventilation openings 88a (FIG. 3) as ventilation openings for constituting the other air passage 58 that communicates the upstream side and the downstream side of the upper filter 89. It is formed in a grid shape and is flat. A bristle brush portion 88b as a cleaning member that is in sliding contact with the inner surface of the upper surface portion 66 is attached to the upper edge portion of the second filter frame portion 88. Further, the lower end portion of the second filter frame portion 88 (second inclined surface 91) is the case body at the front side of the partition wall portion 87, that is, in front of and above the rotation shaft 85c of the first filter portion 68. The rotary shaft 88c is pivotally supported by the side surface portions 67, 67 of the portion 61, is crossed with respect to the first filter frame portion 81 (first inclined surface 86), and has a lid. It is arranged along the vertical direction with 53 closed, and is adjacent to the rear part of the first filter frame 81 (first inclined surface 86). Further, the rear part of the second filter frame part 88 is a downstream (rotation start side) stopper part as a wall-like second stopper part in which the bristle brush part 88b side protrudes downward from the lower part of the upper surface part 66. Backward rotation is restricted by contacting the rear stopper 92. Accordingly, the second filter frame portion 88 (second filter portion 69) can be rotated in the front-rear direction between the stopper portions 79 and 92 with respect to the case body portion 61. Further, the second filter frame portion 88 is urged forward along the rotation direction by a rotation urging means (not shown) such as a torsion spring. For this reason, the second filter portion 69 has a rotation range between the stopper portions 79 and 92, the rear stopper portion 92 side being a rotation start position, and the front stopper portion 79 side being a rotation end position. Further, on the lower front portion of the second filter frame portion 88, there is a second rib portion 88d having a triangular shape in a side view as a protruding portion that comes into contact with the first rib portion 85b of the first filter frame portion 81. It is formed to project at a position between the two ventilation openings 88a (FIG. 3).

  The pivot shaft 88c is pivotally supported at a position on the rear side of the case body 51, that is, on the downstream side.

  The second rib portion 88d is formed such that each corner portion is curved so that a sharp portion where dust is easily caught is not formed.

  The upper filter 89 is disposed so as to close the second ventilation opening 88a (FIG. 3). For this reason, the upper filter 89 is located facing the downstream side of the intake port 71. In FIG. 3, the upper filter 89 is omitted for convenience.

  The filter body attaching portion 62 is formed in a quadrangular frame shape, and is widened in a step shape at the rear surface of the upper surface portion 66, the side surface portions 67 and 67, and the expanded portion 63. That is, the filter body attaching portion 62 divides an exhaust port 93 communicating with the downstream side of the intake port 71 through the inside of the case main body 61 in a square shape at the rear portion of the case body 51. The exhaust port 93 is formed at a position facing the intake port 71.

  Further, the expanding portion 63 is formed in a frame shape and is expanded in a step shape below the front surface portion 65 and the side surface portions 67 and 67. That is, the expanding portion 63 partitions a dust discharge port 95 for dust disposal that communicates with the inside of the case body 61 at the lower portion of the case body 51. In addition, a wall portion 63a that is continuous with the lower portion of the partition wall portion 87 and extends in the left-right width direction is formed at the rear portion of the expanded portion 63 at a position facing the front side of the filter body mounting portion 62. The part 63a is formed with an opening 63b that allows the filter body attaching part 62 side and the inside of the expanding part 63 to communicate with each other. Further, in the expanding part 63, the rear side projects downward from the front side. Accordingly, the dust discharge port 95 has an opening direction in a direction inclined with respect to the vertical vertical direction orthogonal to the opening direction of the intake port 71, and opens toward the front lower side. Therefore, the dust discharge port 95 can have a larger opening area than the case where the dust discharge port 95 is opened in the vertical vertical direction.

  Further, the filter body 52 can be attached to the rear part of the filter body attaching portion 62 so as to block the entire exhaust port 93. That is, the filter body 52 is located on the downstream side of the filters 82 and 89 and communicates with the intake port 71 side via the air passages 57 and 58. The filter body 52 includes a rectangular frame-shaped filter frame 97, a pleated filter 98 that is a surface dust collecting filter as a main (secondary) filter held by the filter frame 97, and dust collected by the pleated filter 98. And a dust removing means (not shown) for removing.

  The filter frame 97 is configured to airtightly close a gap with the edge of the exhaust port 93 in a state where the filter body 52 is attached to the exhaust port 93.

  The pleated filter 98 has a pleated shape in which a front protruding portion protruding to the front side and a rear protruding portion protruding to the rear side are alternately continued in the left-right width direction.

  The dust removing means is located, for example, on the downstream side of the pleated filter 98, and is arranged so as to be movable in the left-right width direction with respect to the pleated filter 98. By this movement, the tip of the rear side protruding portion of the pleated filter 98 is sequentially arranged. The pleated filter 98 is repelled by getting over and vibration is applied to the pleated filter 98, and dust collected on the pleated filter 98 is removed. The dust removing means may be configured to be manually operated, or may be configured to be automatically operated at a predetermined timing such as when the electric blower 27 is stopped or immediately before the operation of the electric blower 27 is started.

  The lid 53 includes a dish-like lid body 53a whose upper side is open, a projection 53b that projects upward from the vicinity of the center in the front-rear direction of the bottom of the lid body 53a, and a rear side of the projection 53b. And a rotation shaft 53c located at the center.

  The lid body 53a is formed in such a size that the dust discharge port 95 can be opened and closed, and is located below the first filter portion 68. Further, the upper peripheral portion of the lid body 53a is pressed against the lower end of the expanding portion 63 in a state where the lid 53 is closed, and is flexible (elastic) for airtightly closing the dust discharge port 95. ) Is attached. Furthermore, engaged portions 102 and 102 to which the claw portions on the lower ends of the locking bodies 72 and 72 are engaged are formed at the front end portion of the lid body 53a, respectively.

  The protruding portion 53b includes a wall-like inclined portion 53d inclined upward from the front side to the rear side, and a wall-like facing portion 53e formed along the vertical direction from the upper side of the rear portion of the inclined portion 53d. I have. A plurality of first ventilation openings 53f are formed side by side in the left-right width direction on the inclined portion 53d, and a plurality of second ventilation openings 53g are formed side by side in the left-right width direction on the facing portion 53e. Yes. Further, a support protrusion 53h as a protrusion protruding upward is integrally formed between the first ventilation openings 53f and 53f of the inclined portion 53d. Further, between the rear portion of the inclined portion 53d and the front portion of the facing portion 53e, a cylindrical communication air passage portion 53i that communicates the ventilation openings 53f and 53g is formed linearly along the front-rear direction. .

  As shown in FIG. 3, the first ventilation opening 53f faces the lower side of the rear first ventilation opening 85a in a state where the lid 53 is closed.

  The support protrusion 53h contacts the lower side of the first filter portion 68 (first filter frame portion 81) with the lid 53 closed, thereby causing the first filter portion 68 (first filter frame portion 81) to contact. It is a portion that is supported from the lower side at a position that is maximally rotated upward.

  Further, as shown in FIGS. 1 to 3, the rotation shaft 53c is located at the lower part of the filter body mounting portion 62, that is, at the outer (rear) position than the rotation shafts 85c and 88c of the filter portions 68 and 69. It is pivotally supported and is located downstream of the case body 51. For this reason, the lid 53 can open and close the dust discharge port 95 by rotating.

  Further, the handle 54 is formed along the front-rear direction of the case body 51, and a part of the locking body drive mechanism for operating the locking bodies 72, 72 is disposed inside. An opening 105 for exposing the operation button 104 for operating the locking body drive mechanism to the outside is formed at a position closer to the rear side at the upper portion of the handle 54.

  Further, as shown in FIG. 3, the one air passage 57 is connected to each of the first ventilation openings 84a and 85a (the lower filter 82 shown in FIG. 1), the first ventilation opening 53f, and the communication air passage 53i from the intake port 71. This is an air path that flows to the exhaust port 93 via the second ventilation opening 53g, the opening 63b, and the filter body 52 (pleat filter 98). The other air passage 58 is an air passage that flows from the intake port 71 to the exhaust port 93 via the second ventilation opening 88a (upper filter 89 shown in FIG. 1) and the filter body 52 (pleat filter 98).

  Further, as shown in FIGS. 1 to 3, the electric blower 27 is arranged in front and rear of the electric blower chamber 28 in a state where at least a part is covered with a substantially cylindrical electric blower cover 107 formed of, for example, a synthetic resin. Arranged along the direction. Furthermore, the electric blower 27 is driven in the operation mode set by the setting button 22 (FIG. 5) by a main body control unit (not shown) accommodated in the main body case 25 (the vacuum cleaner main body 13). Be controlled.

  In addition, the front part of the electric blower cover 107 has a substantially cylindrical shape gradually reduced in diameter from the front side on the upstream side to the rear side on the downstream side in the rear part on the downstream side of the communication port 31 of the partition wall 26. A cover suction port 109 into which the rear end that is the downstream end of the inducer 108 that is a rectifier is inserted is formed, and the downstream end of the inducer 108 that is inserted into the cover suction port 109 is the suction side of the electric blower 27. Is airtightly connected. A cover exhaust port 110 for discharging the exhaust from the electric blower 27 is formed in the lower part on the rear side of the electric blower cover 107.

  The electric blower cover 107 may be divided into a plurality of parts, for example, up and down, front and rear, or the electric blower 27 may be elastically suspended inside via a suspension means (not shown). Further, the electric blower cover 107 itself may be elastically supported by the lower case 38 of the main body case 25 or the like.

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

  First, as shown in FIG. 1, a dust collection cup 36 is attached in the main body dust collection chamber 35 of the cleaner body 13. At this time, the first filter portion 68 is supported from below by the support protrusion 53h of the lid 53, and the front end portion of the first filter frame portion 81 is below the intake port 71 and the front surface portion 65 of the case body portion 61. The second filter portion 69 is held in contact with the inner surface of the expanding portion 63 located below the first filter portion 68 so that the first rib portion 85b of the first filter portion 68 contacts the second rib portion 88d. Thus, the rear part of the upper end side of the second filter frame part 88 is held in a state of being in contact with the rear side stopper part 92 and is prevented from rotating. Therefore, the second filter unit 69 is rotatable to the dust discharge port 95 side, here the end side opposite to the dust discharge port 95 side in the rotatable range of the second filter unit 69, That is, the rotation is prevented against the biasing by the lid 53 on the rotation start position side. In this state, the second filter portion 69 has a rear portion, that is, a downstream peripheral edge that is in close contact with the rear stopper portion 92, so that no air leakage occurs between the inner surface of the case body 51 and the surroundings. It has become.

  Thereafter, as shown in FIG. 5, the connecting pipe part 15 of the pipe part 12 is connected to the main body suction port 43 of the vacuum cleaner main body 13, and the hose body 16, the extension pipe 18 and the floor brush 19 are sequentially connected to each other. In this state, the floor brush 19 is placed on the floor surface, the grip portion 21 is gripped, and the desired setting button 22 is operated, so that the main body control portion causes the electric blower 27 to operate in a desired operation mode. Then, the operator causes the floor brush 19 to travel back and forth on the floor surface via the extension pipe 18 by the grip portion 21.

  The negative pressure generated by driving the electric blower 27 acts on the floor brush 19 via the inducer 108, the communication port 31, the dust collection cup 36, the main body suction port 43, the hose body 16 and the extension pipe 18, and is on the floor surface. Inhale dust with air.

  The sucked air becomes intake air, and is collected together with dust from the floor brush 19 through the extension pipe 18, the hose body 16 and the main body suction port 43 through the suction port 71 of the dust collection cup 36 shown in FIG. It is sucked in.

  Most of the intake air flows straight, flows along the upstream surface of the lower filter 82 of the first filter portion 68, and is blown to the upper filter 89 of the second filter portion 69, and a part of the intake air is passed through the first filter portion 68. Passes through the lower filter 82. Dust collected by the lower filter 82 after the intake air has passed through the lower filter 82 is peeled off from the lower filter 82 by the force of the intake air and blown away in the direction away from the intake port 71. (Coarse dust D such as cotton dust (FIG. 2)) is collected by the upper filter 89 of the second filter portion 69, and the lower filter 82 of the first filter portion 68 is blown off by dust being peeled off by the intake air. The state where clogging is suppressed is maintained. Therefore, the intake air generated by driving the electric blower 27 is bypassed to the lower filter 82 side where the clogging is suppressed even when the upper filter 89 is clogged over time. The suction force lasts. That is, the lower filter 82 mainly functions as a filter for maintaining the suction force, and the upper filter 89 mainly functions as a filter for collecting dust.

  Part of the intake air that has passed through the lower filter 82 (on the one air passage 57 side) passes from the opening 63b to the pleated filter 98 side through the communication air passage portion 53i. Further, the intake air that has passed through the upper filter 89 (the other air passage 58 side) passes directly to the pleated filter 98 side. When these pass through the pleated filter 98, fine dust (fine dust) that cannot be collected by the filters 82 and 89 is collected on the surface by the pleated filter 98.

  Thereafter, the intake air is exhausted from the exhaust port 93 to the downstream side (outside) of the dust collecting cup 36, and is sucked into the suction side of the electric blower 27 through the communication port 31 and the inducer 108 shown in FIG. After passing through this electric blower 27 while cooling, it becomes exhaust air, exhausted from the cover exhaust port 110 of the electric blower cover 107, and then from the electric blower chamber 28 and the cord reel chamber through the main body exhaust hole 49 13 (external body case 25) is exhausted outside.

  When cleaning is completed, the operator operates the setting button 22 shown in FIG. 5 to stop the electric blower 27.

  When a certain amount of coarse dust accumulates in the dust collection cup 36, the operator opens the body cover 40 of the body case 25, removes the dust collection cup 36 from the body dust collection chamber 35, and holds the handle 54. Then carry the dust collection cup 36 onto a waste disposal such as a trash can. Then, when the operator operates the operation button 104, the locking bodies 72, 72 are disengaged from the engaged portions 102, 102, and the front end side of the lid body 53 is moved downward by its own weight around the rotation shaft 53c. Rotates and the dust outlet 95 opens.

  At this time, as shown in FIG. 2, the first filter portion 68 supported from the lower side by the support protrusion 53h of the lid body 53 loses support from the lower side when the lid body 53 opens downward. The front end side rotates downward due to its own weight. At the same time, the first rib portion 85b of the first filter portion 68 is separated from the second rib portion 88d of the second filter portion 69, so that the second filter portion 69 is moved forward by the urging force of the rotation urging means. Rotate vigorously. Therefore, the coarse dust D stored in the dust container 56 between the upper side of the first filter unit 68 and the lower side of the second filter unit 69 is removed by the rotation and the own weight of the second filter unit 69. It is discharged so as to be pushed out from the outlet 95 to a waste part outside the dust collecting cup 36.

  Further, as the second filter portion 69 rotates, the bristle brush portion 88b of the second filter portion 69 slides along the lower surface, which is the inner surface of the upper surface portion 66 of the case body 51, so that the upper surface portion 66 The dust adhering to the lower surface is scraped off and discharged together with the coarse dust D from the dust outlet 95 to the outside of the dust collecting cup 36.

  The second filter portion 69 stops rotating by vigorously coming into contact with the front stopper portion 79 located on the upper portion of the intake port 71 from the upper side, and the upper filter Part of the dust attached to 89 is shaken off. In addition, the second filter portion 69 has an upper surface facing the front stopper portion 79 and an upstream surface facing the dust discharge port 95 side. The opening direction of the dust discharge port 95 is, for example, 45 ° or less. It is inclined at a predetermined angle.

  After the dust is discarded, when the operator rotates the lid 53 upward, the support protrusion 53h of the lid 53 comes into contact with the lower side of the first filter portion 68, and the first filter portion 68 also When the first filter portion 68 is turned upward, the first rib portion 85b of the first filter portion 68 comes into contact with the second rib portion 88d of the second filter portion 69 and is secondly moved. The filter unit 69 is pushed upward against the urging force of the rotation urging means. Then, the locking bodies 72 and 72 are engaged with the engaged portions 102 and 102 of the lid 53 in a state where the dust discharge port 95 is completely closed by the lid body 53a of the lid 53, so that the lid 53 Since the first filter part 68 is locked to the case body 51, the front end part of the first filter frame part 81 is positioned below the front face part 65 of the case body part 61 below the intake port 71. The second filter portion 69 is held in a state in which the rear portion on the upper end side of the second filter frame portion 88 is in contact with the rear stopper portion 92. The dust collection cup 36 can be used repeatedly by discarding the dust in this way.

  As described above, according to the embodiment, a part of the upper edge portion of the second filter portion 69 is in sliding contact with the inner surface of the upper surface portion 66 of the case body 51 by the rotation of the second filter portion 69. By attaching the bristle brush portion 88b, when the dust (coarse dust D (FIG. 2)) accommodated in the case body 51 by the rotation of the second filter portion 69 is discharged from the dust discharge port 95, the case body 51 Since the bristle brush portion 88b scrapes off dust (fine dust) adhering to the inner surface and dust accumulated in the gap between the edge of the second filter portion 69 and the inner surface of the case body 51, the dust contained in the case body 51 Can be effectively discharged from the dust discharge port 95.

  In particular, the bristle brush portion 88b attached to the second filter portion 69 is located on the upper side in the case body 51, that is, the position facing the dust discharge port 95 (the position farthest from the dust discharge port 95), that is, the worker in the case body 51. However, since dust (fine dust) adhering to a position where cleaning is most difficult is scraped off, the maintainability of the dust collecting cup 36 is improved.

  In addition, since the dust is discharged by the rotation of the second filter portion 69, the second filter portion 69 is compared with a configuration in which, for example, the dust discharge member is moved along the opening direction of the dust discharge port 95 to push out the dust. Dust can be reliably discharged even if the rotation range is small.

  Further, the second filter portion 69 is urged toward the dust discharge port 95, and the second filter portion 69 is rotated while the dust discharge port 95 is closed by the lid 53. When the lid 53 is blocked against the urging at a position that can be rotated to the dust outlet 95 side, the second filter unit 69 is located on the dust outlet 95 side when the lid 53 is opened. The dust (coarse dust D (FIG. 2)) accommodated in the dust accommodating portion 56 and the dust scraped off by the bristle brush portion 88b are more effectively discharged from the dust discharge port 95. it can.

  Furthermore, since the upper filter 89 facing the intake port 71 is provided, most of the dust is collected by the upper filter 89 due to the passage of the intake air, so the second filter unit 69 is rotated toward the intake port 71 side. By using it as a moving dust discharge member, it is possible to effectively discharge dust in the dust container 56 and facilitate the discharge of dust.

  Then, by allowing the second filter unit 69 to rotate to the position above the intake port 71, when the second filter unit 69 is rotated, the downstream side of the second filter unit 69 (upper filter 89). Since it becomes difficult for the dust to go around (rear side), it is possible to prevent the dust from being left inside the case body 51 without being discharged from the dust discharge port 95.

  In particular, since the second filter unit 69 can rotate to a position at a predetermined angle of 45 ° or less with respect to the opening direction of the dust discharge port 95, the dust (fine dust) scraped by the bristle brush unit 88b is The dust can be discharged more effectively from the dust outlet 95.

  Further, the second filter portion 69 and the lid body 53 can be rotated, and the rotation shafts 88c and 53c are pivotally supported at the downstream position of the case body 51, whereby the second filter portion. It is possible to easily form a configuration in which dust is discharged from the dust discharge port 95 by rotating the 69 and the lid 53.

  Further, by disposing the rotation shaft 53 c of the lid 53 outward from the rotation shaft 88 c of the second filter portion 69, dust discharged by the rotation of the second filter portion 69 can be removed from the lid 53. It becomes difficult to adhere to the rotating shaft 53c.

  Then, the second filter portion 69 and the lid 53 are each rotated against the urging at a position where the second filter portion 69 can rotate toward the dust discharge port 95. By forming the second rib portion 88d and the supporting projection portion 53h to be blocked, the second filter portion 69 can be rotated to the dust discharge port 95 side only by closing the lid 53. The second filter portion 69 can be held in a state where it is blocked against the bias.

  In addition, rib portions 88d and 85b are formed in the filter portions 68 and 69, respectively, and the rib portions 88d and 85b are brought into contact with each other to rotate the second filter portion 69 toward the dust discharge port 95. Since it blocks against biasing at a possible position, the amount of protrusion of each of the rib portions 88d and 85b can be suppressed as compared with the case where only one of them is formed. When dust is discharged, dust such as coarse dust D (FIG. 2) is not easily caught on the ribs 88d and 85b, and dust can be discharged more effectively. Moreover, since each rib part 88d, 85b curves each corner | angular part, dust becomes difficult to catch on rib part 88d, 85b more.

  In the above-described embodiment, the protrusions may protrude from the lid 53, or may protrude from the lid 53 and the second filter portion 69, respectively.

  In addition, if the second filter unit 69 is prevented from rotating against the biasing by the lid 53 at the rotatable position, the blocked position is not necessarily the rotation start position. Also good. In this case, for example, a sealing property is ensured so that air does not leak to the downstream side between the peripheral edge portion of the second filter portion 69 and the inner surface of the case body 51 at a position where this rotation is prevented. For example, the second filter portion 69 is rotated to the rotation start position side by the negative pressure generated by driving the electric blower 27, so that the second stopper portion 92 is in close contact with the rear stopper portion 92 and the like, and the sealing performance is secured. If it is a structure, there can exist an effect similar to the said one Embodiment.

  The second filter unit 69 may be configured not to be urged in the rotation direction by the rotation urging means but to rotate toward the dust discharge port 95 due to its own weight, for example.

  Further, as the dust discharging member, a member not provided with a filter can be used.

  And as a cleaning member, not only a bristle brush part but the braid | blade etc. which were formed with the member which has flexibility, for example may be sufficient.

  Furthermore, the lid 53 may be configured to open and close the dust discharge port 95 by movement other than rotation.

Et al is, the cord reel chamber, such as a power cord and cord reel is not an essential element. That is, the electric vacuum cleaner 11 may be configured to supply power to the electric blower 27 or the like by a battery such as a secondary battery.

  And as the vacuum cleaner 11, for example, an upright type in which the floor brush 19 is connected to the lower part of the vacuum cleaner main body 13, or an arbitrary type such as a handy type can be used. The configuration is not limited.

11 Vacuum cleaner
13 Vacuum cleaner body
27 Electric blower
36 Dust collection cup as dust collector
51 Case body
53 lid
53c, 88c rotation axis
53h Support protrusion as protrusion
68 1st filter section
69 Second filter part as dust discharge member
71 Air intake
82 Lower filter as the first filter
88b Bristle brush as a cleaning member
88d 2nd rib as protrusion
89 Upper filter as second filter
93 exhaust ports
95 Dust outlet

Claims (9)

A case body having an air inlet, an air outlet, and a dust outlet for discharging the dust contained in the lower part and housed inside;
A first filter part that includes a first filter that collects dust sucked from the air intake port, and is arranged in the case body so as to be rotatable toward the dust discharge port side;
A lid capable of opening and closing the dust outlet;
A dust discharge member that is rotatably disposed in the case body, and that discharges dust contained in the case body from the dust discharge port to the outside of the case body by rotation;
A cleaning member attached to at least a part of the edge of the dust discharge member, and capable of sliding contact with the inner surface of the case body by rotation of the dust discharge member ;
The dust outlet is located downstream of the first filter;
The dust collecting apparatus, wherein the first filter portion is located closer to the dust discharge port than the dust discharge member . The lid body supports the first filter portion in a state where the dust discharge port is closed, at a position where rotation is prevented,
Dust discharge member is biased to the dust discharge port side, the lid member by the supported by the lid in the in rotatable position to the dust discharge port side while closing the dust discharge port The dust collector according to claim 1, wherein the first filter portion prevents rotation against the bias. The dust collector according to claim 1 or 2, wherein the dust discharge member includes a second filter facing the air inlet and is arranged to rotate toward the air inlet. The dust collecting device according to any one of claims 1 to 3, wherein the dust discharging member is rotatable to a position above the intake port. The dust collecting device according to claim 4, wherein the dust discharging member is rotatable to a position at a predetermined angle of 45 ° or less with respect to the opening direction of the dust discharging port. 6. The dust discharge member and the lid body are respectively arranged so as to be rotatable, and the rotation shaft is pivotally supported at a position on the downstream side of the case body. Dust collector. The dust collector according to claim 6, wherein the pivot shaft of the lid body is located outward from the pivot shaft of the dust discharge member. A protrusion is formed on at least one of the dust discharge member and the lid, and prevents the rotation of the dust discharge member against the bias at a position where the rotation of the dust discharge member can be turned to the dust discharge port side. The dust collector according to claim 2, wherein A vacuum cleaner body containing an electric blower,
An electric vacuum cleaner comprising: the dust collecting device according to any one of claims 1 to 8 disposed in the main body of the vacuum cleaner so that an exhaust port communicates with a suction side of the electric blower.