JP6555705B2 - Vacuum cleaner - Google Patents

Description

  Embodiments described herein relate generally to a vacuum cleaner including a plurality of centrifugal separators.

  2. Description of the Related Art Conventionally, there is a vacuum cleaner that includes a main body case that houses an electric blower and a dust collection cup that is detachably attached to the main body case.

  In recent years, a so-called cyclone separation type in which dust is centrifuged (cyclone separation) by swirling dust-containing air inside is known as a dust collection cup of such a vacuum cleaner. In such a cyclone separation type dust collection cup, the size and specific gravity of dust that can be separated are set according to the size (swivel diameter) of the centrifuge, so centrifuge units with different sizes are provided in multiple stages. Thus, dusts having different sizes and specific gravity in the dust-containing air can be separated.

  For example, such a dust collection cup includes a bottomed cylindrical cup portion and a separation portion that covers the cup portion and is detachably attached. The lower side of the separation part is inserted inside the cup part to constitute a first centrifugal separation part. In addition, a second centrifuge unit that centrifuges dust that is smaller in diameter and smaller than the first centrifuge unit is formed inside the separation unit. And the dust centrifuged by each of the 1st centrifuge part and the 2nd centrifuge part is stored in the inside of a cup part.

  In the case of this configuration, when the dust collection cup is removed from the main body case in order to discard the dust in the cup portion, the cup portion and the separation portion are integrally removed. However, the separation part is heavy because the second centrifugal separation part and the like are formed inside, and if the cup part and the separation part are removed integrally, the dust collecting cup is heavy and difficult to carry.

  In this regard, although it is conceivable to remove the separation part from the cup part and carry only the lightweight cup part, in this case there is no separation part that closes the upper part of the cup part, so the dust accumulated inside the cup part There is a risk that the dust may soar or spill during disposal.

JP 2010-125340 A

  The problem to be solved by the present invention is to provide a vacuum cleaner having a cup portion that is light and easy to handle, and that is less likely to spill dust during disposal.

The vacuum cleaner according to the embodiment includes a main body. The main body portion has a main body case that houses the electric blower and a cup portion that can be attached to and detached from the main body case, and a dust collecting portion that separates and collects dust in the dust-containing air sucked by the electric blower. Formed inside. The dust collection part has a separation part, a communication air passage part, a first reservoir part, and a second reservoir part. The separation unit includes a first centrifuge unit and a second centrifuge unit. The first centrifugal separator centrifuges dust from the dust-containing air sucked by the electric blower. The second centrifugal separator centrifuges dust contained in the air that is located in the main body case and has passed through the first centrifugal separator. The communication air passage part communicates the first centrifugal separator and the second centrifugal separator. The first reservoir stores the dust separated by the first centrifugal separator. The second reservoir stores the dust separated by the second centrifugal separator. The cup part has a cup part main body, a separator part, and a cover part. The cup body is open at one end and forms a first reservoir inside . The cover part is provided integrally with the separator part. The cover portion forms a part of the wall of the communication air passage portion to partition the communication air passage portion and the first centrifugal separation portion and detachably covers one end side of the cup portion main body. The cover section partitions the first reservoir section and the second reservoir section in a state where the cover section is mounted on the cup section body. Further, the separator part is inserted into the cup part body in a state where the cover part is attached to the cup part body and constitutes a first centrifugal separation part between the cup part body. And the 2nd reservoir part is formed between the cup part main body and the cover part with which this cup part main body was mounted | worn.

It is a perspective view which shows the cup part of the vacuum cleaner of one Embodiment. It is a disassembled perspective view of a cup part same as the above. It is a front view of a cup part same as the above. It is sectional drawing of a part of main-body part of a vacuum cleaner same as the above. It is a perspective view which shows the one use condition which mounted | wore the main-body part with the air path body of the vacuum cleaner same as the above at the one end side of a handle | steering-wheel. It is a side view which shows one use condition of a vacuum cleaner same as the above. It is a perspective view which shows the other use condition which mounted | wore the main-body part with the air path body of the vacuum cleaner same as the above at the one end side of a handle | steering-wheel. It is a perspective view which shows the other use condition which mounted | wore the main-body part with the air path body of the vacuum cleaner same as the above at the one end side of the handle | steering-wheel. It is a perspective view which shows the other use condition which mounted | wore the main-body part with the air path body of the vacuum cleaner same as the above at the one end side of the handle | steering-wheel. It is a side view which shows one use condition which removed the air path body from the main-body part by the one end side of the handle | steering_wheel of a vacuum cleaner same as the above. It is a side view which shows the other use state which removed the air path body from the main-body part by the one end side of the handle | steering_wheel of a vacuum cleaner same as the above.

  The configuration of one embodiment will be described below with reference to FIGS.

  1 to 11, reference numeral 11 denotes a stick type (vertical) vacuum cleaner (hereinafter simply referred to as a vacuum cleaner 11) as a vacuum cleaner. The vacuum cleaner 11 is a charging device (not shown) which is a stand (not shown). A vacuum cleaner is comprised with a charging stand.

  The vacuum cleaner 11 can be used while being moved as shown in FIGS. 5 to 9, and a hand-held vacuum cleaner that is carried while being partially shouldered as shown in FIGS. Thus, the mode to be used can be selectively switched.

  As shown in FIGS. 1 to 11, the cleaner 11 includes an air passage body 15 that sucks in dust-containing air, and a main body portion 16 to which the air passage body 15 is connected. Hereinafter, the vertical direction is based on the state in which the cleaner 11 is placed on the surface to be cleaned. That is, the arrow U direction shown in FIG. 6 or the like is the upward direction of the present embodiment, and the arrow D direction is the downward direction of the present embodiment.

  The air passage body 15 includes an attachment part 18 that forms the upstream side (front end side), and a hose part 19 that is connected to the attachment part 18 and forms the downstream side (rear end side).

  The attachment part 18 is appropriately attached to and detached from the hose part 19 according to the form of cleaning, and can be any form, for example, in this embodiment, the floor brush 21 as a suction port, The floor brush 21 is provided with a straight long pipe extension 22 that can be attached to and detached from the front end that is the upstream end.

  The floor brush 21 is also called a suction tool, a suction nozzle, a suction head, and the like, and a longitudinally extending case body 24 along the left-right width direction, that is, a rotationally connected to the rear part of the case body 24. A tube 25. The case body 24 is provided with a dust suction port (not shown) on the lower surface facing the surface to be cleaned, and the rotary tube 25 is pivotally supported with respect to the case body 24 so as to be rotatable in the vertical direction and the direction around the axis. And communicates with the dust inlet. In addition, you may arrange | position the rotating brush as a rotational cleaning body driven by drive means, such as a motor, for example at a dust suction opening.

  The extension pipe 22 includes a suction port portion 27 at a front end portion that is an upstream end portion, and a connection port portion 28 at a rear end portion that is a downstream end portion. The extension tube 22 can be extended and contracted as a configuration in which a plurality of straight tubular extension tube members are slidably connected.

  The suction port 27 is formed in a cylindrical shape (straight tube) from a synthetic resin which is a hard member. A brush bristle portion 31 as a cleaning body portion provided with a bristle 31a as an extension pipe cleaning member is attached to the suction port portion 27 so as to be rotatable in the vertical direction at a front end portion which is an upstream end portion. . The suction port portion 27 is provided with a clamp portion 32 that detachably latches and holds the floor brush 21.

  The connection port portion 28 is a portion that is inserted into the front end portion of the hose portion 19 when the attachment portion 18 (extension pipe 22) is connected to the hose portion 19.

  Further, the hose portion 19 includes a suction port body portion 34 into which the connection port portion 28 is inserted and connected, and an expandable / contractible hose body 35 that is connected to the downstream side (rear end side) of the suction port body portion 34. have.

  The suction port body portion 34 is formed in a cylindrical shape (straight tube) using, for example, a synthetic resin that is a harder member than the hose body 35. A brush portion 37 as a cleaning portion provided with brush bristles 37a is attached to the suction port body portion 34 at the front end portion, which is the upstream end portion, so as to be rotatable in the vertical direction, and at the rear end portion, the air passage body. A handle 38 for gripping operation when operating 15 separately from the main body 16 is projected in a coaxial manner, and a connecting portion 39 communicating with the hose body 35 is branched and projected below the handle 38. ing. The suction port body portion 34 is provided with a holding clamp 40 that holds the attachment portion 18 in a detachable manner.

  The handle 38 operates to move the position of the front end side (upstream side) of the air passage body 15, and is a long cylindrical (cylindrical) shape along the front-rear direction by a member such as a synthetic resin harder than the hose body 35. That is, it is formed in a shaft shape. Therefore, the air passage body 15 can be attached to and detached from the main body portion 16 at a position different from the downstream end portion of the hose body 35, in this embodiment, at the rear end portion of the handle 38 branched to the upstream side of the hose body 35. It has become. The handle 38 is provided with a clamp body 46 as a locking body for detachably locking the handle 38 to the main body portion 16.

  The connecting portion 39 branches the hose body 35 and the handle 38, and forms a straight tube whose axial direction is inclined along a direction intersecting at an acute angle with respect to the axial direction of the suction port body portion 34. It is provided integrally with the body part 34, and the upstream end part of the hose body 35 is inserted and connected in an airtight manner. The connecting portion 39 is located below the front end portion of the handle 38.

  In addition, the hose body 35 is formed in a bellows shape with, for example, a flexible synthetic resin and is stretchable, and one end side, that is, the rear end side, which is the downstream side, is airtightly connected to the main body portion 16, and the upstream side The other end side, that is, the front end side, is held by the connecting portion 39 and is airtightly connected to the suction port body portion 34 (attachment portion 18).

  On the other hand, the main body 16 is structurally provided with a main body case 51 and a substantially bottomed cylindrical dust collecting cup 52 which is a cup portion as a dust container that can be attached to and detached from the lower portion of the main body case 51. Yes. Inside the main body 16, an electric blower 53 is housed, and a dust collecting part 54 for separating and collecting dust from the dust-containing air sucked through the air passage body 15 by the electric blower 53 is provided. It has been. The dust collecting section 54 is roughly divided into a separating section 55 that separates dust, a reservoir section 56 that stores the separated dust, and an air passage section 57 that guides air. In this embodiment, the separation unit 55 includes a first centrifugal separation unit 61 that (centrifuges) relatively large dust (coarse dust) in the dust-containing air, and the dust-containing air that has passed through the first centrifugal separation unit 61. A plurality of second centrifugal separators 62 for (centrifuged) separating relatively small dust (fine dust) remaining in the air and dust (fine dust) slightly remaining in the air that has passed through the second centrifugal separators 62 And a filter 63 that separates and collects by filtration. The reservoir 56 includes a first reservoir 65 that is a coarse dust reservoir that collects the dust separated by the first centrifugal separator 61 and a fine dust reservoir that collects the dust separated by the second centrifugal separator 62. And a second reservoir 66. Further, the air passage portion 57 includes an introduction air passage portion 68 that introduces dust-containing air into the first centrifugal separation portion 61, and a communication air passage portion 69 that communicates the first centrifugal separation portion 61 and the second centrifugal separation portion 62. And a suction air passage portion 70 that communicates the second centrifugal separator 62 and the electric blower 53.

  The main body case 51 is made of, for example, a synthetic resin. The main body case 51 includes a case body 73 that is long in the front-rear direction and a lid 74 that can be attached to and detached from the case main body 73.

  The case main body 73 is formed by combining a plurality of case portions, and an upper portion thereof is an exposed opening 75 to which the lid 74 is attached and detached, and a belt to which a belt (shoulder belt) (not shown) for shoulder hanging is locked. The mounting openings 76 are opened, and a mounting opening 77 to which the dust collecting cup 52 can be attached and detached is opened at the bottom. Further, the front end portion of the case body 73 is connected to the holding receiving portion 78 to which the handle 38 of the air passage body 15 is detachably connected and the air passage to which the rear end portion (downstream end portion) of the hose body 35 is connected. A body connecting portion 79 is provided so as to protrude vertically. Further, a gripping main body handle 80 projects from the rear end portion of the case main body 73. An electric blower is provided inside the case main body 73, that is, between the exposed opening 75 and the mounting opening 77, and between the holding receptacle 78 and the air passage body connecting portion 79 and the main body handle 80. 53 and a unit 81 that accommodates the second centrifuge 62 and the like are provided.

  The exposure opening 75 is a part that is opened and closed by attaching and detaching the lid 74, and that exposes the upper part of the unit part 81 in an open state, and is formed in a longitudinal shape along the front-rear direction. It is located on the upper rear side of 78.

  The belt mounting openings 76 and 76 are opened at the upper part of the case body 73 in front of and behind the exposed opening 75, respectively, and the belt is hung by hooking both ends of the belt in a loop shape on the belt mounting openings 76 and 76. Thus, the main body 16 can be held.

  The mounting opening 77 is opened and closed by attaching and detaching the dust collecting cup 52, and is a portion that exposes the lower portion of the unit portion 81 in an open state, and is formed in a longitudinal shape along the front-rear direction. It is located behind the body connecting portion 79. Further, an elastically deformable annular seal member 84 for airtightly connecting the dust collecting cup 52 is attached to the inner edge portion of the attachment opening 77.

  The holding receiving part 78 has an axial direction along the front-rear direction and the horizontal direction, that is, is formed in a cylindrical shape that opens forward, and is in front of the electric blower 53 (unit part 81) and connected to the air path body It is located above (directly above) the portion 79. An insertion opening (not shown) into which the connection convex part 48 of the air passage body 15 is inserted and a claw part (not shown) of the clamp body 46 located inside the insertion opening are inserted into the holding receiving part 78 from below. An engagement receiving portion (not shown) to be locked is recessed.

  The air passage body connecting portion 79 has an axial direction along the front-rear direction and the horizontal direction, that is, is formed in a cylindrical shape that opens forward, on the front lower side of the electric blower 53 (unit portion 81), and It is located below (directly below) the holding receiving portion 78. In addition, the rear end portion of the hose body 35 is inserted into the air passage body connecting portion 79 from the front and fixed so as not to be detachable. Here, the fact that the rear end portion of the hose body 35 is not detachable from the air passage body connecting portion 79 means that the rear end portion of the hose body 35 is connected to the air passage body unless the air passage body connecting portion 79 is disassembled. It shall be said that it cannot be removed from the connection part 79. A cylindrical seal portion 88 is coaxially attached to the rear end portion of the air passage body connecting portion 79. The seal portion 88 is formed of an elastically deformable member and is brought into pressure contact with the front end portion (upstream end portion) of the dust collection cup 52 attached to the attachment opening 77 to collect the air passage body 15 (hose body 35). The dust cup 52 (dust collecting part 54) is connected in an airtight manner.

  Further, the main body handle 80 is formed at the rear portion of the main body portion 16 (case main body 73) along the up and down direction of the main body portion 16, and the longitudinal direction of the main body portion 16 (case main body 73). It is in a loop shape so as to open in the left-right direction intersecting (orthogonal) with. In addition, a plurality of setting buttons 89 for a user to set the operation of the electric blower 53 with a hand holding the main body handle 80 are spaced apart from each other in the front-rear direction on the upper portion of the main body handle 80. Has been placed.

  The unit portion 81 accommodates the internal structure of the main body case 51, and includes a cylindrical unit main body portion 92 that divides an electric blower chamber 91 that accommodates the electric blower 53 inside, and outside the unit main body portion 92. A cylindrical partition wall portion 93 that is positioned and a cylindrical separation tube portion 94 that is located outside the partition wall portion 93 and that forms the respective second centrifugal separation portions 62 therein are integrally provided. Further, the upper surface portion of the unit portion 81 is a partition wall portion 95 that is formed in a flat plate shape and is positioned horizontally to partition the upper portion of the suction air passage portion 70. For example, a circular suction opening 96 communicating with the suction side of the electric blower chamber 91 (electric blower 53) is opened at the center of the partition wall 95.

  The unit main body 92 has an axial direction along the vertical direction. Between the unit main body portion 92 and the partition wall portion 93, the downstream side (upper side) of the communication air passage portion 69 is positioned in the front-rear direction and is partitioned. That is, a part (downstream side) of the communication air passage portion 69 is defined inside the unit portion 81. The unit main body 92 is gradually reduced in diameter toward the lower end, and the lower end is a circular discharge opening 100 for discharging the exhaust from the electric blower 53. An annular exhaust-side seal member 101 that is elastically deformable is attached to the outside of the discharge opening 100 so as to surround the discharge opening 100.

  The partition wall portion 93 partitions between the communication air passage portion 69 and each second centrifugal separation portion 62 (each separation cylinder portion 94), and both side portions are continuous with the unit main body portion 92 in both directions. The central part is spaced apart from the unit main body 92 in the front-rear direction, that is, formed in an elliptical cylinder shape having a short axis in the left-right direction and a long axis in the front-rear direction. Have. Further, an elastically deformable annular seal member 102 for airtightly connecting the dust collecting cup 52 is attached to the lower end portion of the partition wall portion 93.

  Each separation cylinder portion 94 is also called a cone portion or the like, has an axial direction along the vertical direction, and is arranged, for example, three in front of and behind the unit main body portion 92. These separation cylinder portions 94 are spaced apart from each other on concentric circles centering on the central axis of the unit main body 92 (electric blower 53), and are positioned symmetrically in the longitudinal direction with respect to the central axis of the electric blower 53. . In addition, these separation cylinder portions 94 are gradually reduced in diameter from the upper end portion to the lower end portion. Further, these separation cylinder portions 94 are set to have a diameter smaller than that of the dust collecting cup 52. Therefore, the flow velocity of the swirling flow of the second centrifugal separation portion 62 is the same as that of the swirling flow of the first centrifugal separation portion 61. It is faster than the flow rate. Further, in the vicinity of the upper ends of the separation cylinder portions 94, there is a suction port of the second centrifugal separation portion 62 that communicates with the communication air passage portion 69 and guides the dust-containing air along the tangential direction of the inner surface of the separation cylinder portion 94. A certain suction opening 103 is opened toward the side intersecting the axial direction. Further, at the upper end of the separation cylinder part 94, a cylindrical discharge cylinder part 104 that is coaxial with the separation cylinder part 94 and in which air obtained by centrifuging dust communicates with the suction air passage part 70 is a partition wall part. 95, and a discharge opening portion 105, which is an exhaust port of the second centrifugal separator 62 through which an upper end portion, which is a downstream end of the discharge cylinder portion 104, discharges air to the suction air passage portion 70. It has become. And the lower end part of each separation cylinder part 94 opens to the upper part of the dust collecting cup 52, and the dust discharge port 106 which discharges the dust isolate | separated by the 2nd centrifugation part 62 to the 2nd storage part 66, and It has become. Therefore, the second centrifugal separator 62 partitioned in the separation cylinder 94 is connected to the communication air passage 69 on the upstream side via the suction opening 103 and the suction air passage on the downstream side via the discharge opening 105. It communicates with the portion 70 and communicates with the second reservoir 66 through the dust outlet 106.

  The lid 74 covers the filter 63 and is attached to the exposure opening 75 to close the exposure opening 75, thereby closing the suction air path between the lid 74 and the partition wall 95 that is the upper surface of the unit 81. The section 70 is partitioned and formed, for example, in a plate shape. A locking clamp 107 for locking the lid 74 to the exposed opening 75 is provided at the front part on the upper side of the lid 74 so as to face the front edge of the exposed opening 75.

  The dust collection cup 52 includes a cup body 111 serving as a cylindrical housing with a bottom, and a dust receiving section (thinner) projecting forward and backward from an upper end that is one axial end of the cup body 111. Dust receiving portions) 112, 112, an introduction portion 113 projecting forward from the vicinity of the upper end of the cup portion main body 111, a cover portion 114 that can be attached to and detached from the upper end portion of the cup portion main body 111, and this cover portion 114 The cover body 116 covering the lower body (bottom) side, which is the other end in the axial direction of the cup body 111, and the dust collecting cup 52 are locked to the body case 51. It includes a clamp 117 as a locking means, and is detachable from the mounting opening 77 of the main body case 51. In the dust collecting cup 52, the upper ends of the cup body 111 and the dust receivers 112 and 112 serve as a dust disposal port 118 for discarding dust (coarse dust and fine dust).

  The cup part main body 111 forms a part of the first centrifuge part 61 and the first reservoir part 65. For example, the cup part body 111, together with the dust receiving part 112 and the introduction part 113, has a translucent (transparent) synthetic resin or the like. It is formed integrally with the member. The cup body 111 is positioned around the separator 115 with the cover 114 attached to the cup body 111 (dust disposal port 118), and the first centrifuge 61 together with the separator 115. And the first reservoir 65 is defined inside the lower part (bottom side). Further, the cup body 111 is set to have a diameter larger than that of each separation cylinder 94. Further, the upper end side of the cup portion main body 111 is enlarged in a step shape with respect to the lower end side, and a stepped portion 120 as a support portion for supporting the cover portion 114 is formed at the expanded diameter position. . Further, on both sides of the outer peripheral portion of the cup body 111, a plurality of rib-shaped non-slip portions 121 are provided along the vertical direction at positions closer to the front side, that is, in a direction parallel to the axial direction of the cup body 111. It protrudes along. The bottom of the cup body 111 is coaxial (concentric) with the cup body 111, that is, the central axis of the cup body 111, in other words, the first centrifuge 61 (inside the cup body 111). ) And an exhaust tube 122 as a discharge portion projecting upward along the swirling axis of the air swirling in (), and ribs 123 as a plurality of air guide portions are formed on the outer surface portion of the bottom portion. Each protrudes along the radial direction.

  The exhaust cylinder part 122 is a part for discharging the exhaust of the electric blower 53 to the outside of the main body part 16 so that the exhaust pipe part 122 is inserted into the separation body part 115 with the dust collecting cup 52 attached to the main body case 51. It has become.

  The rib 123 guides the exhaust discharged from the exhaust cylinder part 122 along the radial direction, and is in contact with the bottom surface of the cover body 116.

  Each dust receiving portion 112 is a portion that receives the dust separated by the second centrifugal separator 62, and has a semi-cylinder having an axial direction along a front-rear direction intersecting (orthogonal) with the axial direction of the cup body 111. The upper side is opened, and the side opposite to the cup part main body 111 (on the side opposite to the cup part main body 111) is closed. These dust receiving portions 112 are connected in an airtight manner with the outer edge portion being pressed against the seal member 84 disposed along the inner edge portion of the attachment opening 77 with the dust collecting cup 52 attached to the main body case 51. It has become. A second reservoir 66 is defined between the dust receiver 112 and the cover 114.

  The introduction part 113 is airtightly connected to the airway body connection part 79 so as to airtightly connect the airway body 15 and the dust collecting part 54, and is positioned below the dust receiving part 112 located on the front side. Thus, from one side of the cup part main body 111 to the front, it protrudes in a cylindrical shape along the tangential direction of the cup part main body 111, and the introduction air passage part 68 is defined inside. Therefore, the introduction section 113 introduces the dust-containing air into the first centrifugal separation section 61 in the tangential direction of the cup section main body 111. Further, the front end portion of the introduction portion 113 has a flange surface shape that is pressure-contacted to the rear end portion of the seal portion 88 in a state where the dust collecting cup 52 is attached to the main body case 51 (attachment opening portion 77). The pressure contact portion 124 is formed along the outer edge portion, and a suction port 125 communicating with the first centrifugal separation portion 61 is defined at the rear end portion (downstream end portion) of the introduction portion 113. The inlet 113 has a check valve 126 that opens the suction port 125 only in the backward direction (downstream side) and does not open in the forward direction (upstream side) opposite to the suction direction. Is attached.

  The check valve 126 includes a valve body 128 movably attached to the introduction portion 113, and a position in the front-rear direction of the valve body 128 at the introduction portion 113 (a position in the upstream and downstream direction in the introduction air passage portion 68). And a regulating unit 129 for regulating.

  The valve body 128 is formed in a plate shape by a flexible (elasticity) member such as rubber or elastomer, and the outer edge portion is in close contact with the inner surface of the introduction portion 113 (introduction air passage portion 68) without a gap. Thus, the shape is in line with the cross-sectional shape of the introduction portion 113. Further, the valve body 128 is fixed to the introduction portion 113 (dust collecting cup 52) with a screw or the like inside the upper portion, that is, the central axis side of the cup portion main body 111 (the turning shaft side of the first centrifugal separation portion 61). The body 131 is fixed in the front-rear direction. Therefore, the valve body 128 rotates in the front-rear direction at a position behind the restricting portion 129 on the outer side, which is the side opposite to the fixed body 131 (on the side opposite to the fixed body 131). That is, the valve body 128 is elastically deformed so as to be inclined with respect to the axis of the introduction portion 113 so that the outer portion is rearward of the inner portion, and mainly the outer portion or lower side of the suction port 125. The department is designed to open.

  The restricting portion 129 is formed in an annular shape along the inner edge portion (inner peripheral portion) of the cross-sectional shape of the introduction portion 113, and the introduction portion 113 (introduction air passage portion 68) is in contact with the entire outer edge portion of the valve body 128. It is the part which protruded in the step shape toward the center side of a cross section. Therefore, the restricting portion 129 comes into contact with the outer edge portion of the valve body 128 so that the valve body 128 does not rotate forward of the introducing portion 113 (upstream of the introducing air passage portion 68) with respect to the restricting portion 129. Is regulated.

  Further, the cover part 114 constitutes a part of the air path part 57 (communication air path part 69) of the dust collecting part 54 together with the unit part 81, and serves as a cover part that covers the cup part body 111. The cover body 134 is integrally formed in a plate shape with a synthetic resin and the like, and the front and rear dust receiving portions 112 (second reservoir portions 66) are projected from the front and rear sides of the cover body 134. Inclined wall portions 135, 135 as second covering portions located in the upper portion, and wall portions 136, 136 as outer portions rising from both sides of the cover portion main body 134 and continuing to the inclined wall portions 135, 135, It is a separate body from the cup body 111.

  The cover main body 134 covers the upper part of the cup main body 111 (first reservoir 65), and is formed in a cylindrical shape with a small axial dimension (vertical dimension), that is, a shallow dish shape. A circular communication opening 141 communicating with the portion 115 is opened. Further, at a position outside the communication opening 141 of the cover main body 134, a planar shape in which the seal member 102 of the unit 81 is pressed into contact with the upper part with the dust collecting cup 52 attached to the main body case 51. The cover part pressure contact part 142 extends substantially in the horizontal direction. Therefore, in the cover part main body 134, the cover part main body 134 (cover part 114) constitutes the lower part of the communication air passage part 69 when the cover part pressure contact part 142 is pressed against the seal member 102. In other words, the cover part main body 134 (cover part 114) defines the other part (upstream side) of the communication air passage part 69. Further, on the outer peripheral portion of the cover body 134, an annular seal member 143 that is elastically deformable and is pressed from above onto the step 120 of the cup body 111 with the cover 114 attached to the cup body 111. Is attached. Therefore, the cover member main body 134 (cover portion 114) attached to the cup portion main body 111 defines the first reservoir 65 and the second reservoir 66 by the seal member 143.

  Each inclined wall part 135 covers the upper part of the second reservoir 66 together with the front end part and the rear end part of the cover part main body 134, and has a circular shape into which the lower end part of each separation cylinder part 94 is inserted and fitted. A plurality of insertion holes 145 are opened along the vertical direction. Further, a knob portion 146 for removing the cover portion 114 from the cup portion main body 111 protrudes upward from the inclined wall portion 135 located at the front portion of the cover portion main body 134. The inclined wall portion 135 and the unit portion 81 (the partition wall portion 93 (the seal member 102) and the separation cylinder portion 94) are arranged outside the communication air passage portion 69 and each of the communication air passage portions 69 and the second air passage portions 69. An airtight space 148 that does not communicate with the suction side of the electric blower 53 (no negative pressure generated by driving the electric blower 53) is defined between the centrifugal separator 62 and the centrifugal separator 62. Therefore, the knob portion 146 and the wall portion 136 are located inside the space portion 148, and the knob portion 146 and the wall portion 136 are located outside the air flow sucked by the electric blower 53. ing.

  The knob portion 146 is formed, for example, in the shape of a tongue that curves in an arc shape along the shape of the insertion hole 145 behind the insertion hole 145 located at the center in the left-right direction, and protrudes from the inclined wall portion 135. .

  Each wall portion 136 is curved in an arc shape along the outer edge of the cover portion main body 134 and rises from the cover portion main body 134. With the cover portion 114 attached to the cup portion main body 111, the cup portion main body 111 It is positioned so as to overlap with the inner peripheral edge above the step portion 120 of the above. In addition, an opening 151 is cut out at the upper edge of the wall 136 located on one side, and facing the opening 151, for example, on the separating member 115 or the dust receiving portions 112, 112, etc. A brush body 152 for removing the attached dust is detachably attached. Therefore, the brush body 152 is accommodated in the space portion 148 in a state of being attached to the cover portion 114, and is positioned outside the air flow sucked by the electric blower 53.

  Further, the separator 115 is a center of rotation of the first centrifugal separator 61 and serves as an exhaust flow passage from the electric blower 53, and is formed in a cylindrical shape having an axial direction along the vertical direction. And coaxially (concentrically) with the dust collection cup 52. The separator 115 includes a cylindrical separator body 161, an exhaust portion 162 coaxially positioned inside the separator body 161, and a cylindrical shape having a larger diameter than the separator body 161. Are provided adjacent to each other in the axial direction.

  Separator body 161 has a plurality of openings 164 that open to the periphery and communicate with communication air passage part 69, and a separation filter 165 that covers these openings 164. That is, the outside of the separator body 161 (inside the dust collection cup 52) and the communication air passage 69 are communicated by the opening 164. In the first centrifugal separator 61, air swirls between the outer peripheral surface of the separator body 161 and the inner peripheral surface of the dust collecting cup 52.

  The exhaust part 162 is integrally formed with the separator body 161, and has a double cylinder shape with the separator body 161. Therefore, the exhaust part 162 has a central axis substantially parallel to the central axis of the electric blower 53 and is substantially coaxially arranged with the electric blower 53. The exhaust part 162 is in a state where the cover part 114 is attached to the cup part main body 111, and the lower end part is connected to the upper end part of the exhaust cylinder part 122 inserted into the separator part 115 (separator part main body 161). In addition to being airtightly connected, the upper end of the dust collecting cup 52 is pressed against the exhaust-side seal member 101 and airtightly connected to the discharge opening 100 with the dust collecting cup 52 attached to the main body case 51. Therefore, the outside of the exhaust part 162 and the exhaust cylinder part 122 communicates with the suction side (communication air passage part 69) of the electric blower 53, and the inside of the exhaust part 162 and the exhaust cylinder part 122 communicates with the exhaust side of the electric blower 53. The suction side and the exhaust side are partitioned so as to be separate from each other.

  The compression section 163 is also called a shade section, and is continuous with the lower end portion of the separation body main body 161 having a stepped diameter and is disposed coaxially with the separation body main body 161. The compression unit 163 includes a plurality of compression openings 166 that open along the vertical direction around the lower end of the separator body 161, and a compression filter 167 that covers the compression openings 166. A part of the air swirling between the outer periphery of the separator body 161 and the inner periphery of the dust collecting cup 52 is compressed from the lower end of the compression unit 163 through the compression unit 163 to the compression opening 166 (compression filter 167 ), The dust centrifuged in the first centrifuge 61 is pressed against the compression filter 167 and compressed in the compressor 163.

  Further, the cover body 116 protects the bottom side of the cup body 111, and is formed into a bottomed cylindrical shape with a small axial dimension, that is, a shallow dish shape by a soft member made of a soft synthetic resin such as an elastomer. The cup portion body 111 is attached to the cup portion body 111 so as to cover the lower end portion (rib 123) of the cup portion body 111. A plurality of exhaust openings 171 are respectively formed in the entire outer peripheral portion that is the outer portion of the cover body 116. These exhaust openings 171 are for discharging the exhaust air that is guided along the radial direction through the ribs 123 after being discharged from the exhaust tube portion 122 and hitting the cover body 116 to the outside.

  The clamp 117 detachably locks the dust collecting cup 52 to the main body case 51, and is arranged in a substantially L shape from the upper end of the rear portion of the cup portion main body 111 to the lower portion of the rear portion of the dust receiving portion 112. .

  The electric blower 53 is disposed in the electric blower chamber 91 with the intake port 53a on the suction side as the upper side. Therefore, the electric blower 53 includes the first centrifugal separator 61 (the cup body 111 and the separator 115 of the dust collection cup 52) and the second centrifugal separators 62 (each separation cylinder 94). The suction port 53a is positioned coaxially with the suction opening 96 of the partition wall portion 95 which is the upper surface portion of the unit portion 81, and is airtightly connected to the suction opening 96. The electric blower 53 is driven by power supplied from the secondary battery 174 accommodated in the case main body 73 to generate negative pressure and suck in dust-containing air, and the operation is performed in the case main body 73. It is controlled by a housed main body control unit (not shown).

  Here, the secondary battery 174 is a battery pack that supplies power to the electric blower 53, the main body control unit, the air path body 15 side, and the like, for example, after the case main body 73 that is a position in front of the main body handle 80. Housed at the end. The secondary battery 174 is electrically and mechanically connected to the charging device via a charging terminal 176 that protrudes forward from one side of the front end portion of the case body 73. It can be recharged as needed.

  The main body control unit includes, for example, a microcomputer and the like, and can control the conduction angle of the electric blower 53 to operate or stop the electric blower 53 in a predetermined operation mode.

  The first centrifugal separator 61 is an upstream centrifugal separator (upstream separator) and is located in the dust collection cup 52. The inner peripheral surface of the cup body 111 of the dust collection cup 52 and the separator. Dust (coarse dust) can be centrifuged by swirling air between the outer peripheral surface of the separator body 161 (separation filter 165) of the section 115, for example, arranged coaxially with the electric blower 53. Yes.

  Each of the second centrifugal separators 62 is a downstream centrifugal separator (downstream separator). By rotating air along the inner surface of each separation cylinder 94, dust (fine dust) can be centrifuged. is there. These second centrifugal separators 62 are disposed above and below the first centrifugal separator 61, in the present embodiment, above the upper end of the first centrifugal separator 61 and forward and backward of the electric blower 53. The same number is located symmetrically in the direction and is accommodated in the main body case 51 (case main body 73).

  The filter 63 is a final filter (final filter) located in the most downstream with respect to the air inlet 53a of the electric blower 53 in the dust collecting unit. That is, no means for separating and collecting dust is provided between the downstream side of the filter 63 and the intake port 53a of the electric blower 53, and the air sucked into the electric blower 53 (intake port 53a) is not provided. The dust is collected at the most downstream position. Further, the filter 63 is sandwiched from above and below between the case body 73 (unit part 81) and the lid body 74 and is accommodated in the suction air passage part 70 along the front-rear direction, and the suction opening 96 of the unit part 81 is provided. Covering. Further, the filter 63 is integrally formed, for example, by laminating soft non-woven fabrics in layers, and is configured to filter and collect dust by allowing air to pass therethrough. The filter 63 has a plurality of circular filter openings 63c into which the discharge cylinders 104 are respectively fitted and inserted, and are opened at the front end and the rear end.

  Further, the suction air passage portion 70 is positioned so as to extend in the front-rear direction along the upper portion of the main body case 51 in the case main body 73. The suction air passage portion 70 is divided into an upper air passage 178 which is an upstream suction air passage portion located above the filter 63 and a downstream suction air located below the filter 63 by a filter 63 disposed inside. It is divided vertically into a lower air passage 179 which is an air passage portion. The upper air passage 178 directly communicates with the downstream side of the second centrifugal separator 62 via the discharge opening 105 of each discharge cylinder portion 104 inserted through the filter opening 63c of the filter 63, and the lower air passage 179. However, it communicates with the upper air passage 178 through the filter 63 and communicates with the suction opening 96 of the unit portion 81 (the intake port 53a of the electric blower 53).

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

  When starting the cleaning, first, after assembling the dust collecting cup 52, it is attached to the main body case 51 in advance and the filter 63 is attached to the main body case 51 in advance.

  In the dust collecting cup 52, the seal member 143 is pressed against the stepped portion 120 by inserting the cover portion 114 into the cup portion main body 111 from above, and the first reservoir portion 65 and the second reservoir portion 66 are partitioned. At the same time, the separator part 115 integral with the cover part 114 is coaxially inserted into the cup part body 111 to constitute the first centrifugal separator 61, and the exhaust cylinder part 122 is connected to the separator part 115 from below. It is inserted and hermetically connected to the lower end of the exhaust part 162. Further, a brush body 152 is fixed to the cover portion 114 by fitting a part thereof into the opening portion 151 (FIG. 1).

  Then, the assembled dust collecting cup 52 is aligned with the mounting opening 77 of the main body case 51 and pushed into the main body case 51 (case main body 73) side, whereby the upper end of the cup main body 111 of the dust collecting cup 52 Is pressed against the seal member 84, and the seal member 102 located below the partition wall 93 of the unit part 81 of the main body case 51 is pressed against the cover part pressure contact part 142 of the cover part 114 located above the dust collecting cup 52. Thus, the communication air passage portion 69 is configured, the lower end of each separation cylinder portion 94 is inserted into each communication opening portion 141, and each dust discharge port 106 is communicated with the second reservoir portion 66, so that the exhaust side seal member 101 On the other hand, the upper end portion of the exhaust portion 162 is pressure-contacted so that the exhaust portion 162 is airtightly connected to the discharge opening 100, and the pressure-contact portion 124 of the introduction portion 113 is pressure-contacted to the seal portion 88 so that the introduction air passage portion 68 is the air passage. In a state of being airtightly connected to the rear end portion on the downstream side of the body connecting portion 79 (air passage body 15), The dust collecting cup 52 is locked and held by the main body case 51 by the action of the lamp 117.

  Further, the filter 63 is positioned with respect to the case main body 73 by inserting the discharge cylinder portion 104 into each filter opening 63c, and the lid 74 is aligned with the exposure opening 75 and pushed toward the case main body 73 side. As a result, the lid 74 is latched and held by the case main body 73 by the action of the latching clamp 107 in a state in which the gap between the case main body 73 and the lid 74 is closed.

  In addition, when the dust collection cup 52 and the filter 63 are already attached, the above operations are not necessary.

  As a result, from the air passage body 15, the introduction air passage portion 68 (the check valve 126 and the suction port 125), the first centrifugal separation portion 61, the opening 164 (separation filter 165), the communication air passage portion 69, and the suction opening portion 103. , The second centrifugal separator 62, the discharge opening 105, the suction air passage 70 (the upper air passage 178, the filter 63 and the lower air passage 179), the suction opening 96 and the suction that communicates with the electric blower 53 (the intake port 53a) The air passage and the exhaust air passage communicating with the electric blower 53 (exhaust port), the discharge opening 100, the exhaust portion 162, the exhaust cylinder portion 122, and the exhaust opening 171 are formed in an airtight manner.

  When the cleaner 11 cleans a relatively large area of the surface to be cleaned such as the floor surface of the room, for example, the rear end of the handle 38 of the air passage body 15 as shown in FIGS. The body is attached to the main body 16 at the position of the holding receiving portion 78, and the main body handle 80 is gripped and cleaned while moving the whole.

  At this time, by inserting and fitting the rear end portion of the handle 38 from the front while aligning the rear end portion of the handle portion with the holding receiving portion 78 of the main body portion 16, the connection convex portion 48 is relative to the insertion opening of the holding receiving portion 78 In addition, the claw portion of the clamp body 46 is inserted and locked in the engagement receiving portion, and the air passage body 15 is held by the main body portion 16 at the position of the rear end portion of the handle 38. In this state, as shown in FIGS. 5 and 6, the handle 38 is positioned along the front-rear direction, and the suction port body portion 34 coaxial with the handle 38 is positioned in a straight tube shape along the front-rear direction. The air passage body 15 is configured such that the suction port body portion 34 and the handle 38 are positioned substantially in a straight line, and the rear end portion (downstream end portion) of the hose body 35 branched downward from the suction port body portion 34 The air passage body connecting portion 79 below 38 is connected to the main body portion 16. As a result, the hose body 35 is gently bent from the upstream side to the downstream side and from the upper side to the lower side, and the air passage body 15 is bent sharply upward, downward, left and right to the first centrifuge 61. It communicates substantially linearly along the front-rear direction without doing. For this reason, there is little pressure loss in the air passage body 15, and air and dust easily pass through the inside. That is, the air passage body 15 is mechanically connected to the front end portion of the main body portion 16 at the position of the rear end portion of the handle 38 and the rear end portion of the hose body 35, in other words, at the position aligned vertically. Then, at the position of the rear end portion (downstream end portion) of the hose body 35, it communicates with the introduction air passage portion 68 (suction air passage).

  Further, the air passage body 15 is attached with an attachment portion 18 as necessary. In this case, for example, the connection port portion 28 of the extension tube 22 is inserted and connected to the front end portion that is the upstream end portion of the suction port body portion 34, and the front end portion that is the upstream end portion of the suction port portion 27 of the extension tube 22 The rotary tube 25 of the floor brush 21 is inserted and connected to the cable. At this time, the extension tube 22 is locked and held by the action of the holding clamp 40 while being airtightly connected to the suction port body part 34, and the floor brush 21 is airtightly connected to the extension pipe 22 by the action of the clamp part 32. The locked state is held.

  When the user operates the setting button 89 while holding the main body handle 80, the main body control unit controls the conduction angle of the electric blower 53, and the electric blower 53 is driven in a desired operation mode. The negative pressure generated by the driving of the electric blower 53 includes the suction air passage portion 70 (the lower air passage 179 and the upper air passage 178), each second centrifugal separation portion 62, the communication air passage portion 69, and the first centrifugal separation portion. 61 acts on the inlet air passage portion 68 and the inlet air passage portion 68 to open the suction port 125 by rotating the outer side and lower side portion of the valve body 128 of the check valve 126 rearward, that is, in a direction away from the regulating portion 129. Since it acts on the dust suction port of the floor brush 21 via the air passage body connecting portion 79, the hose body 35, the suction port body portion 34, and the attachment portion 18, the user can remove the floor brush 21 placed on the surface to be cleaned. Dust is sucked together with air from the dust suction port by the negative pressure action of the electric blower 53 on the surface to be cleaned while alternately running back and forth on the surface to be cleaned together with the entire cleaner 11. In addition, the user performs cleaning assistance such as scraping off dust on the surface to be cleaned or polishing the surface to be cleaned by rotating the rotating brush of the floor brush 21 as necessary.

  Further, the floor brush 21 can be removed from the extension pipe 22 and used as necessary, for example, to clean a narrow gap where the floor brush 21 cannot be inserted, such as between furniture and a wall portion ( Fig. 7). In this case, by operating the holding clamp 40, the floor brush 21 is unlocked and removed from the extension tube 22. Then, while using the brush bristle portion 31 of the suction port 27 at the front end of the extension tube 22, the user similarly sucks dust together with air from the suction port 27 to clean the surface to be cleaned.

  On the other hand, for example, when cleaning a relatively small area on a table or a surface to be cleaned, the attachment portion 18 ( The extension pipe 22 and the floor brush 21) are removed, and the main body handle 80 is gripped to perform cleaning while moving the whole.

  At this time, the attachment portion 18 (extension tube 22) is removed from the suction port body portion 34 by operating the holding clamp 40. Then, while holding the handle 80 for the main body and carrying the entire cleaner 11, the user uses the brush portion 37 of the suction port body portion 34 to suck in dust together with air from the suction port body portion 34 and clean it. do.

  At this time, it is also possible to use only the floor brush 21 attached to the suction port part 34 as required, such as the type of the surface to be cleaned (FIG. 9). In this case, the floor brush 21 is hermetically connected to the suction port body part 34 by the action of the holding clamp 40 by inserting the rotary tube 25 of the floor brush 21 into the suction port body part 34 from the upstream side. Held in a state. Then, the user moves the dust brush by the negative pressure of the electric blower 53 on the surface to be cleaned while alternately moving the floor brush 21 placed on the surface to be cleaned back and forth on the surface to be cleaned together with the entire cleaner 11. Inhale dust with air. In addition, the user performs cleaning assistance such as scraping off dust on the surface to be cleaned or polishing the surface to be cleaned by rotating the rotating brush of the floor brush 21 as necessary.

  Furthermore, for example, when cleaning a relatively high position such as a ceiling, as shown in FIG. 10, from the state shown in FIG. The main body 16 is carried by the main body handle 80, or the main body 16 is carried by shouldering the belt hooked between the belt mounting openings 76, 76, while the air passage body 15 is moved to the main body section 16 by the handle 38. The position of the air passage body 15 is operated while the hose body 35 is extended (expanded / contracted), and cleaning is performed by the suction port portion 27 at the front end portion of the extension pipe 22.

  Further, for example, when cleaning a position close to the user's hand, such as the back of an installation such as a television, a vehicle seat, or a staircase, as shown in FIG. 22, carry the main body 16 by the main body handle 80, or carry the main body 16 by shouldering the belt hooked between the belt mounting openings 76, 76, while moving the main body 16 by the handle 38. The position of the air passage body 15 is operated while the hose body 35 of the road body 15 is extended (contracted), and cleaning is performed by the suction port body portion 34.

  In the case of the cleaning configuration shown in FIGS. 10 and 11, the clamp body 46 is operated to remove the air passage body 15 from the main body 16 at the position of the handle 38. Then, the user grasps the handle 38 and basically expands and contracts the hose body 35 to move only the air passage body 15 while moving the brush bristle 31 of the suction port 27 or the brush of the suction port 34. Using part 37 or the like, inhale dust with air and clean it.

  The main body 16 may be placed on the surface to be cleaned, for example, when cleaning a range that can be sufficiently reached only by extending the hose body 35, or when cleaning the bottom of a bed or the like. At this time, the cover body 116 acts as a slipper against the surface to be cleaned, and the main body portion 16 is not dragged by the contraction force of the hose body 35.

  The air sucked together with the dust, that is, the dust-containing air moves with the floor brush 21, the extension pipe 22, the suction port body portion 34, and the hose body 35, and gently bends along the inner surface of the hose body 35. Then, the air flows from the downstream end of the hose body 35 to the introduction air passage portion 68 through the air passage body connection portion 79, and is guided along the outer side of the introduction portion 113 while being rectified by the valve body 128 of the check valve 126. Then, the air is sucked from the suction port 125 into the first centrifugal separator 61 along the tangential direction of the inner peripheral surface of the cup body 111. After that, the dust-containing air is swirled between the inner peripheral surface of the dust collecting cup 52 (cup portion main body 111) and the outer peripheral surface of the separator main body 161 of the separator 115, and particularly large dust (coarse dust). Is centrifuged from the air by its own weight, falls along the inner peripheral surface of the cup body 111, and is collected in the first reservoir 65 of the cup body 111. The dust is compressed by being pressed against the compression filter 167 by a part of the swirling flow in the cup body 111 passing through the compression opening 166 (compression filter 167) from the lower end of the compression unit 163. Accumulate inside.

  The air from which the dust has been centrifuged flows into the opening 164 while passing through the separation filter 165. The air that has passed through the opening 164 (separation filter 165) passes through the communication air passage portion 69 while being rectified by the smooth cylindrical outer periphery of the exhaust portion 162, and cools the electric blower 53 together with the electric blower chamber 91. Further, the air that has passed through the communication air passage 69 flows into the second centrifugal separator 62 through the suction opening 103, and along the inner peripheral surface of the separation cylinder portion 94 in the second centrifugal separator 62. And the fine dust is further centrifuged. The separated fine dust falls from the dust discharge port 106 at the lower end of the separation cylinder portion 94 to the second reservoir 66 in the dust collection cup 52 and is collected. The air from which the fine dust is separated flows out from the respective discharge openings 105 to the upper air path 178 of the suction air passage section 70, and the entire filter 63 is inclined in the thickness direction (vertical direction) toward the suction opening 96. Then, the dust (fine dust) slightly passing through to the lower air passage 179 is collected by the filter 63 and further sucked from the suction opening 96 into the intake port 53a of the electric blower 53.

  Then, the air sucked into the electric blower 53 passes through the electric blower 53 while cooling and becomes exhaust air, and is discharged from the exhaust port into the electric blower chamber 91, and then the lower part of the electric blower chamber 91. Rectified by the smooth inner peripheral surfaces of the exhaust part 162 and the exhaust cylinder part 122 from the discharge opening 100 of the exhaust gas, and passes downwardly inside the separating body part 115 to the outside of the dust collecting cup 52 (main body part 16). Are discharged to the exhaust openings 171 while being dispersed by the ribs 123, and are distributed and exhausted along the radial direction from the exhaust openings 171.

  When the cleaning is completed, the user operates the setting button 89 to stop the electric blower 53, installs and stores the cleaner 11 in the charging device, and charges the secondary battery 174.

  Further, when discarding dust, the dust collecting cup 52 is removed from the main body case 51 (mounting opening 77) by operating the clamp 117 while holding the cup main body 111 by placing a hand on the anti-slip portion 121. . At this time, the dust collecting cup 52 has the cover portion 114 attached to the cup portion main body 111 so that the upper portions of the first reservoir portion 65 and the second reservoir portion 66 are covered with the cover portion 114. The dust that has been collected will not soar. In addition, the check valve 126 is configured such that the valve body 128 opens the suction port 125 because the outer edge portion of the front surface of the valve body 128 is in contact with the restriction portion 129 when the negative pressure of the electric blower 53 is not applied. The front side opposite to the cup body 111 (the side opposite to the cup body 111), that is, the dust does not open in the direction in which dust spills from the first reservoir 65, and the dust in the first reservoir 65 is introduced from the suction port 125 into the inlet 113. There is no spilling outside through. In this state, the user carries the dust collecting cup 52 to a disposal position such as a trash can, picks the knob 146, and removes the cover 114 from the cup body 111. At this time, the knob portion 146 is located in the space portion 148 outside the air passage that communicates with the suction side of the electric blower 53, so that it is not in contact with dust-containing air and is not attached with dust, and is in a clean state Keeps the user's hands from getting dirty. Then, the user turns the cup body 111 upside down and discharges the dust in the first reservoir 65 and the second reservoir 66 from the dust disposal port 118. Further, the cover part 114 removed from the cup part main body 111 is removed by sliding the brush body 152 attached to the upper part of the cover part 114 upward, and the separation part 115 integrated with the cover part 114 is separated. Dust adhering to the filter 165 and the compression filter 167 or dust adhering to the surface of the dust receiving portion 112 and the like are removed and maintained (maintenance). The dust collecting cup 52 can be used after being removed after the dust is removed.

  In addition, since almost no dust remains in the air after passing through the second centrifugal separator 62, the filter 63 is not substantially clogged and basically does not require maintenance. For example, dust attached to the filter 63 can be removed by operating the locking clamp 107 to remove the lid 74 from the case main body 73, exposing and removing the exposed opening 75, and tapping.

  According to the embodiment described above, the electric blower 53 and the second centrifugal separator 62 are disposed in the main body case 51, and the first reservoir 65 of the dust collecting cup 52 that can be attached to and detached from the main body case 51 is provided inside. The upper end side (one end side) of the cup part body 111 formed in the first part is inserted into the cup part body 111 so as to be integrated with the separating part 115 constituting the first centrifugal separation part 61. By covering the part and the first centrifuge part 61 detachably with the cover part 114, the dust collecting cup 52 is disposed in the main body when the dust in the first reservoir part 65 and the second reservoir part 66 is discarded. When the dust collecting cup 52 is removed from the case 51, the dust collecting cup 52 has only the cover portion 114 integrated with the cup portion main body 111 and the separating body portion 115. Therefore, the dust collecting cup 52 is lightweight and easy to handle, and the first The upper part of the reservoir 65 (and the second reservoir 66) is covered by the cover 114. , Or accidentally spilled the dust at the time of disposal, it is difficult or not Maiagara.

  Moreover, the cover portion 114 is not a mere lid that covers the upper end side of the cup portion main body 111, but defines a part (upstream side) of the communication air passage portion 69. The structure can be simplified.

  That is, in the present embodiment, when the main body case 51 and the dust collecting cup 52 that can be attached to and detached from the main body case 51 are configured, by appropriately selecting a wall portion and the like divided by these, A cover part that covers a part of the essential part (communication air passage part 69) covering the cup part main body 111 (first reservoir part 65 (and second reservoir part 66)) without requiring a separate new structure. Since it can be used as 114, it is possible to realize a configuration that reliably prevents dust spillage and soaring during disposal with a simple configuration (low cost).

  In addition, since the second reservoir 66 for storing the dust centrifuged by the second centrifugal separator 62 is formed between the cup body 111 and the cover 114 attached to the cup body 111, Even when the dust cup 52 is removed from the main body case 51, the second reservoir 66 can be covered by the cover 114 attached to the cup main body 111, and the second reservoir 66 can be disposed when the dust is discarded. It will be difficult to spill and soar. In particular, in the second reservoir 66, fine dust, which is relatively small dust, is accumulated, and such fine dust easily rises, so that the upper portion of the second reservoir 66 is covered by the cover 114, It is possible to reliably prevent fine dust from rising.

  Furthermore, since the first reservoir 65 and the second reservoir 66 are partitioned with the cover 114 attached to the cup body 111, the second reservoir is generated by the negative pressure generated by the driving of the electric blower 53. The dust (fine dust) accumulated in the portion 66 does not circulate to the first reservoir 65 (first centrifuge 61), and the dust can be reliably accumulated in the second reservoir 66. it can.

  Since the suction port 125 that sucks dust-containing air into the interior by the electric blower 53 is provided with a check valve 126 that can be opened only in the dust-containing air suction direction, the check valve 126 is provided with the suction port 125. When the dust in the first reservoir 65 that spills from the outside is blocked and discarded, it is possible to reliably prevent the dust accumulated in the first reservoir 65 from spilling from the suction port 125.

  In addition, the valve body 128 of the check valve 126 has an outer portion or a lower side portion that is located on the upper side and the position of the center axis side of the cup portion main body 111 is fixed to the cup portion main body 111 by the fixing body 131. Since it is deformed in an inclined shape so as to open, the dust-containing air sucked into the first centrifugal separator 61 from the introduction portion 113 (introduction air passage portion 68) is rectified by the valve body 128, and the inner periphery of the cup portion main body 111 Guided along the tangential direction to the surface. Therefore, the dust-containing air is easily swirled in the cup portion main body 111, the efficiency of the centrifugal separation in the first centrifugal separation portion 61 can be improved and the dust-containing air is positioned coaxially with the cup portion main body 111. It becomes difficult to spray directly on 115, and adhesion of dust to the separation filter 165 can also be suppressed.

  Although one embodiment of the present invention has been described, this embodiment is presented as an example and is not intended to limit the scope of the invention. The novel embodiment can be implemented in various other forms, and various omissions, replacements, and changes can be made without departing from the scope of the invention. This embodiment and its modifications are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalents thereof.

11 Stick-type vacuum cleaner as a vacuum cleaner
16 Main unit
51 Main unit case
52 Dust collection cup as cup
53 Electric blower
54 Dust collector
55 Separation part
61 First centrifuge
62 Second centrifuge
65 First reservoir
66 Second reservoir
69 Ventilation section
111 Cup body
114 Cover
115 Separating body
125 Suction port
126 Check valve

Claims (2)

A main body case that houses the electric blower and a cup portion that can be attached to and detached from the main body case, and a dust collecting portion that separates and collects dust in the dust-containing air sucked by the electric blower is formed inside. Main body
The dust collecting part is
A first centrifuge for centrifuging dust from the dust-containing air sucked by the electric blower; and a second centrifuge for separating dust contained in the air located in the main body case and passing through the first centrifuge. A separation unit with a centrifuge, and
A communication air passage section that communicates the first centrifuge section and the second centrifuge section;
A first reservoir for storing the dust separated by the first centrifugal separator;
A second reservoir for storing the dust separated by the second centrifugal separator,
The cup part is
A cup body that is open at one end and forms the first reservoir therein ;
A separated body part;
It is provided integrally with the separator, and forms a wall of a part of the communication air passage part to partition the communication air passage part and the first centrifugal separation part and attach / detach one end side of the cup part main body. A cover part that covers the
The cover portion and said second reservoir and said first reservoir is partitioned in a state of being mounted on the cup body,
The separator body is inserted into the cup part body in a state where the cover part is attached to the cup part body, and constitutes the first centrifuge part between the cup part body,
The second reservoir is formed between the cup part main body and the cover part attached to the cup part main body. The cup body has a suction port for sucking dust-containing air into the interior by an electric blower.
The vacuum cleaner according to claim 1, wherein the cup portion includes a check valve that allows the suction port to be opened only in a direction in which the dust-containing air is sucked.

Images