JP2011078463A - Vacuum cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vacuum cleaner having a cyclone dust collecting device allowing improvement of convenience. <P>SOLUTION: The vacuum cleaner 1 includes the removable cyclone dust collecting device 20 which has a dust collecting container 22 formed by closing a bottom of a barrel-shaped cylinder part 22a by engaging an openable lid 60 with a lower part of the cylinder part 22a, and separates and collects dust contained in airflow come into the dust collecting container 22 by forming swirling airflow in the dust collecting container 22. The cyclone dust collecting device 20 includes a rotatable handle 41 arranged on an upper part of the dust collecting container 22 and an operating part 27 formed on a peripheral face in a lower part of the dust collecting container 22. The lid 60 is opened by disengaging the lid 60 and the cylinder part 22a when the cyclone dust collecting device 20 is removed and the handle 41 is rotated. The lid 60 is also opened by disengaging the lid 60 and the cylinder part 22a by operating the operating part 27. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vacuum cleaner provided with a cyclone dust collector.

  A conventional vacuum cleaner is disclosed in Patent Document 1. This vacuum cleaner is provided with a detachable cyclone dust collecting device in a main body part equipped with an electric blower. The cyclone dust collecting apparatus has a cylindrical dust collecting container whose bottom is closed by an openable / closable lid. In the upper part of the peripheral surface of the dust collecting container, an inflow port through which airflow flows in a tangential direction opens. The lid is held in a closed state by a lock mechanism provided at the lower part of the dust collecting container, and an operation part for releasing the lock mechanism and opening the lid is provided at the lower part of the peripheral surface of the dust collecting container.

  An inner cylinder is coaxially arranged in the dust collection container, and an outlet port through which air in the dust collection container flows out opens on the peripheral surface of the inner cylinder. In addition, spiral ribs project from the peripheral surface of the inner cylinder. A filter that collects dust is provided on the downstream side of the outlet. A rotatable dust removing member made of an elastic body is disposed on the outer peripheral side of the filter. A handle for rotating the dust removing member and the spiral rib is provided above the inner cylinder.

  By driving the electric blower, an air flow including dust flows into the dust collecting container through the inflow port to form a swirling air flow in the dust collecting container. Dust contained in the swirling airflow in the dust collecting container is separated by centrifugal force and collected at the bottom of the dust collecting container. The airflow from which the dust has been removed flows out from the outlet into the inner cylinder. The airflow flowing through the inner cylinder is exhausted through an electric blower after fine dust is collected by a filter.

  When the cyclone dust collector is detached and the operation unit is operated, the lid is opened and the dust falls from the bottom surface of the dust collecting container and is discarded. At this time, when the handle is rotated, the dust removing member and the spiral rib rotate. The dust removing member strikes the filter while rotating, and dust collected by the filter is removed and discharged. The spiral rib pushes the dust caught in the dust collecting container downward and discharges it.

JP 2000-342492 A (page 4-page 12, FIG. 25)

  However, according to the above-described conventional vacuum cleaner, the cyclone dust collector is attached and removed and disposed above the dust box, and the lid is opened by the operation of the operation unit, and the dust in the dust container is discarded in the dust box. At this time, since the operation unit is arranged below the dust collecting container, the user's hand easily touches the dust falling from the dust collecting container, and the user's hand is easily soiled. In addition, since the user's hand disposed below the dust collection container is disposed above the waste bin, dust falling from the dust collection container may be scattered outside the dust bin. Therefore, there is a problem that the convenience of the vacuum cleaner is poor.

  An object of this invention is to provide the vacuum cleaner which can improve the convenience.

  In order to achieve the above object, the present invention has a dust collection container closed by an openable / closable lid that engages a bottom surface of a cylindrical cylinder part with a lower part of the cylinder part and swivels into the dust collection container. An electric vacuum cleaner comprising a detachable cyclone dust collector that separates and collects dust contained in an air stream that forms an air flow and flows into the dust collecting container, wherein the cyclone dust collector is the collector. A rotatable handle disposed above the dust container; and an operation unit provided on a lower peripheral surface of the dust container; the lid when the cyclone dust collector is detached and the handle is rotated. The lid is opened by releasing the engagement between the lid and the cylinder, and the lid is opened by releasing the engagement between the lid and the cylinder by the operation of the operation part. It is a feature.

  According to this configuration, when cleaning is performed by a vacuum cleaner, air containing dust flows into the dust collecting container of the cyclone dust collecting device, and a swirling airflow is formed in the dust collecting container. The air that has flowed into the dust collection container is separated by the centrifugal force of the swirling airflow, falls off, and is stored at the bottom of the dust collection container. The airflow from which the dust has been removed flows out of the dust collecting container. When the cyclone dust collector is detached and the handle disposed at the upper part is rotated, the engagement between the lower part of the cylindrical part of the dust collecting container and the cover part is released, and the cover part is opened. Thereby, the dust in the dust collecting container is discarded. Moreover, when the operation part provided in the lower part of the dust collecting container is operated, the engagement between the lower part of the cylinder part and the cover part is released, and the cover part is opened.

Moreover, the present invention provides a vacuum cleaner having the above-described configuration,
An inner cylinder that has an outlet through which a swirling airflow flows out, an inner cylinder lower engagement portion disposed in a lower portion, is coaxially disposed in the dust collecting container and rotates integrally with the handle;
A rotating body upper engaging portion that is disposed above the lid portion and engages with the inner cylinder lower engaging portion; and a rotating body lower engaging portion that is disposed below the lid portion, and the lid A lid rotating body that is rotatably attached to the section;
A first lever engaging portion that engages with the rotating member lower engaging portion; and a container engaging portion that is disposed along the peripheral surface of the dust collecting container and provided in the dust collecting container at the closed position. And a second lever engaging portion, which is pivotally attached to the lid portion, and is disposed when the lid portion is opened. A lever that pivots between the open position and
A lever urging member that urges the lever toward the closed position;
The lid is closed by engagement of the second lever engaging portion and the container engaging portion, and the lever is moved to the open position via the inner cylinder and the lid rotating body by rotation of the handle. And the engagement between the second lever engaging portion and the container engaging portion is released, and the lever is moved relative to the container engaging portion by the operation of the operating portion. The engagement between the second lever engaging portion and the container engaging portion is released.

  According to this configuration, the second lever engaging portion of the lever is engaged with the container engaging portion of the dust collecting container by the urging of the lever urging member, and the lid portion is closed. When the handle is rotated, the inner cylinder rotates, and the inner cylinder lower engaging portion and the rotating body upper engaging portion engage with each other to rotate the lid rotating body attached to the lid. The rotation of the lid rotating body engages the lower rotating body engaging portion and the first lever engaging portion, and the lever rotates against the biasing force of the lever biasing member. Thereby, the engagement with the container engaging portion with the second lever engaging portion is released, the lever is arranged at the open position, and the lid portion is opened. Further, when the operation unit is operated, for example, the lever is pressed and the engagement between the second lever engaging unit and the container engaging unit is released, the lever is arranged at the open position, and the lid unit is opened. You may press the container engaging part by operation of an operation part, and may cancel engagement with a 2nd lever engaging part and a container engaging part.

  Further, the present invention is characterized in that, in the vacuum cleaner having the above-described configuration, the lever is pressed by the operation portion and the lever is rotated to the open position.

  According to the present invention, in the vacuum cleaner configured as described above, the lower rotating body engaging portion protrudes downward from the lower surface of the lid rotating body and the first lever engaging portion protrudes upward from the upper surface of the lever. The lid rotating body and the lever rotation shaft are arranged on the shaft of the inner cylinder, which are in contact with each other in the circumferential direction.

  According to this configuration, when the handle is rotated, the rotating body lower engagement portion engages with the first lever engagement portion having the same rotation axis, and the lever rotates about the axis of the inner cylinder. Accordingly, the second lever engaging portion moves along the peripheral surface of the dust collecting container, the lid portion is opened, and the first lever engaging portion is separated downward from the rotating body lower engaging portion.

  According to the present invention, in the electric vacuum cleaner having the above-described configuration, a spiral pressing portion protruding from the peripheral surface of the inner cylinder is provided, and when the handle is rotated, the pressing portion rotates together with the inner cylinder. It is characterized by extruding dust. According to this configuration, when the cyclone dust collecting device is detached and the handle is rotated, the lid on the bottom surface of the dust collecting container is opened and the pressing portion is rotated together with the inner cylinder. Thereby, the dust caught in the dust collecting container is pushed out and discharged.

  According to the present invention, the lid on the bottom of the dust collecting container is opened by the rotation of the handle arranged on the upper part of the cyclone dust collecting device, and the lid is opened by the operation of the operating part arranged on the lower part of the dust collecting container. It is possible to make it difficult for the user's hand to touch the dust falling from the dust collecting container by operating the upper handle. Further, the lower part of the cyclone dust collecting device can be disposed in the trash box, so that dust can be discarded, and dust scattering can be reduced.

  In addition, since the lid is engaged with the lower part of the cylindrical part and the operating part is provided at the lower part of the dust collecting container, the release mechanism for releasing the engagement between the cylindrical part and the lid by the operating part is simplified. Can do. For this reason, the release mechanism by the operation part is unlikely to fail, and the cover part can be opened even if the release mechanism for releasing the engagement between the cylinder part and the cover part by the handle breaks down. Therefore, the convenience of the vacuum cleaner can be improved.

The perspective view which shows the vacuum cleaner of embodiment of this invention Side surface sectional drawing which shows the main-body part of the vacuum cleaner of embodiment of this invention Side surface sectional drawing which shows the cyclone dust collector of the vacuum cleaner of embodiment of this invention The perspective view which shows the cyclone dust collector of the vacuum cleaner of embodiment of this invention The perspective view which looked at the cover part of the cyclone dust collector of the vacuum cleaner of the embodiment of the present invention from the upper part The perspective view which looked at the cover part of the cyclone dust collector of the vacuum cleaner of the embodiment of the present invention from the lower part The disassembled perspective view which looked at the dust removal rotary body and inner cylinder part of the cyclone dust collector of the vacuum cleaner of embodiment of this invention from the upper direction The disassembled perspective view which looked at the dust removal rotary body and inner cylinder part of the cyclone dust collector of the vacuum cleaner of embodiment of this invention from the downward direction The perspective view which shows the filter of the cyclone dust collector of the vacuum cleaner of embodiment of this invention The disassembled perspective view which looked at the inner cylinder part and dust container of the cyclone dust collector of the vacuum cleaner of embodiment of this invention from the upper direction The disassembled perspective view which looked at the inner cylinder part and dust container of the cyclone dust collector of the vacuum cleaner of embodiment of this invention from the downward direction The exploded perspective view which looked at the dust container of the cyclone dust collector of the vacuum cleaner of the embodiment of the present invention from the upper part The disassembled perspective view which looked at the dust container of the cyclone dust collector of the vacuum cleaner of embodiment of this invention from the downward direction The bottom view of the dust container of the cyclone dust collector of the vacuum cleaner of embodiment of this invention The bottom view of the dust container of the cyclone dust collector of the vacuum cleaner of embodiment of this invention Side surface sectional drawing which shows the principal part at the time of mounting | wearing with the cyclone dust collector of the vacuum cleaner of embodiment of this invention Side surface sectional drawing which shows the principal part of the cyclone dust collector of the vacuum cleaner of embodiment of this invention

  Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a vacuum cleaner according to an embodiment. The vacuum cleaner 1 includes a main body 2 that houses an electric blower 6 (see FIG. 2). A power cord 8 that can be pulled out and stored is provided on the back surface of the main body 2. The power cord 8 has a power plug 9 at its tip, and is supplied to the main unit 2 by being inserted into a commercial power outlet.

  A flexible connection hose 3 is connected to the front surface of the main body 2, and an extension pipe 4 is connected to the tip of the connection hose 3. A suction port body 5 having a suction port (not shown) facing the floor surface is provided at the tip of the extension pipe 4. The extension pipe 4 is provided with a gripping portion 13 and an operation portion 14. The user operates the operation unit 14 to perform the cleaning operation, grips the grip 13 and moves the suction port body 5.

  FIG. 2 shows a side sectional view of the main body 2. The main body 2 is provided with an electric blower 6 at the rear, and an exhaust port 7 is opened behind the electric blower 6. A dust collection chamber 19 is provided in front of the electric blower 6, and a detachable cyclone dust collector 20 is disposed in the dust collection chamber 19. The cyclone dust collector 20 is provided with an inlet 21 through which airflow from the connection hose 3 (see FIG. 1) flows and a dust collector exhaust outlet 24 through which airflow from which dust is removed flows. The dust collector exhaust port 24 and the electric blower 6 are connected by a duct 15.

  3 and 4 show a side cross-sectional view and a perspective view of the cyclone dust collector 20. In the cyclone dust collecting device 20, a cover 40 that covers the dust collecting chamber 19 and forms the upper surface of the main body 2 (see FIG. 1) is arranged at the upper part, and a dust collecting container 22 for collecting dust is arranged at the lower part. . A circular handle 41 in a plan view is rotatably held on the upper surface of the cover portion 40, and a dust collector exhaust port 24 is opened behind the handle 41. The cyclone dust collector 20 can be attached to and detached from the main body 2 by grasping the handle 41.

  An inner cylinder portion 50 having an inner cylinder 51 is attached below the cover portion 40. The cylindrical dust collecting container 22 is attached below the inner cylinder portion 50, and the inner cylinder 51 is coaxially arranged in the dust collecting container 22. The bottom surface of the dust collecting container 22 can be freely opened and closed by a lid 60. Further, a filter 37 is disposed on the upper portion of the inner cylinder portion 50, and a dust removing device 30 that removes the filter 37 is provided. The dust removing device 30 includes a dust removing rotator 31, a gear 32, and a dust removing motor 33, and the dust removing rotator 31 holding the filter 37 protrudes into the cover portion 40 and is attached to the upper portion of the inner cylinder portion 50.

  5 and 6 show perspective views of the cover 40 as viewed from above and below, respectively. The cover part 40 is formed in a cup shape having a space part 45 in which the dust removing rotator 31 is disposed. A clutch portion 42 that rotates integrally with the handle 41 and protrudes into the space portion 45 is provided on the upper portion of the cover portion 40.

  The clutch portion 42 is fitted in a sleeve 41a (see FIG. 3) formed inside the handle 41 and can move up and down, and is biased downward by a biasing member (not shown). The clutch part 42 has a handle engaging part 42a made of a plurality of triangular teeth protruding downward and arranged in the circumferential direction. The handle engaging portion 42a is formed as a vertical surface having a circumferential surface extending substantially vertically and substantially parallel to the axial direction, and the other surface is formed as a slope inclined with respect to the axial direction.

  Holding parts 43 and 44 that engage with the inner cylinder part 50 and hold the inner cylinder part 50 are provided oppositely on the peripheral surface of the lower part of the cover part 40.

  7 and 8 are exploded perspective views of the dust removal rotating body 31 and the inner cylinder portion 50 of the dust removal device 30 as viewed from above and below, respectively. The inner cylinder part 50 has an enlarged diameter part 52 that is larger in diameter than the inner cylinder 51 disposed in the dust collecting container 22 above the inner cylinder 51. The inner cylinder 51 is disposed coaxially with the handle 41 and is rotatably supported with respect to the enlarged diameter portion 52.

  The lower surface 52a of the enlarged diameter portion 52 is formed in a conical surface and is inclined, and an opening 52b from which the gear 32 protrudes is formed on the peripheral surface. Mounting engagement portions 53 and 54 that engage with the holding portions 43 and 44 of the cover portion 40 are provided on the outer peripheral surface of the enlarged diameter portion 52 so as to face each other. One attachment engagement portion 54 is formed to be rotatable. The attachment engaging portion 53 is engaged with the holding portion 43, and the attachment engaging portion 54 is rotated and engaged with the holding portion 44. Thereby, the inner cylinder part 50 is attached to the cover part 40. Further, the inner cylinder portion 50 can be detached from the cover portion 40 by rotating the attachment engaging portion 54 with fingers.

  The dust removal rotating body 31 of the dust removal device 30 is inserted into the enlarged diameter portion 52. The dust removal rotary body 31 includes a shaft portion 31a, an arm portion 31b, and an annular portion 31c. The shaft portion 31a is arranged coaxially with the handle 41, extends in the vertical direction, and has an upper surface engaging portion 34 that engages with the handle engaging portion 42a on the upper surface.

  The upper surface engaging portion 34 includes a plurality of triangular teeth extending upward and arranged in the circumferential direction. The upper surface engaging portion 34 is formed as a vertical surface extending in a substantially vertical direction, one surface of the circumferential direction being substantially parallel to the axial direction, and the other surface is formed as a slope inclined with respect to the axial direction.

  A plurality of arm portions 31b are provided at predetermined angular intervals around the axis, and extend outward in the radial direction from the shaft portion 31a. The annular portion 31c has a cylindrical shape concentric with the shaft portion 31a and is supported by the arm portion 31b. A filter 37 is fitted on the inner surface of the annular portion 31c.

  FIG. 9 shows a perspective view of the filter 37. The filter 37 is formed of a pleated filter having a circular shape in plan view, and is formed by being bent so that a crest portion 37a and a trough portion 37b are continuous in a circumferential direction at a predetermined angular interval. Thereby, the collection area of the filter 37 is expanded.

  A gear portion 31d is formed on the outer peripheral surface of the annular portion 31c along the circumferential direction. The gear portion 31d meshes with the gear 32, and the dust removal rotating body 31 is rotated by driving the dust removal motor 33 (see FIG. 4).

  When the handle 41 is rotated in one direction, the vertical surfaces of the handle engaging portion 42a and the upper surface engaging portion 34 are engaged, and the handle 41 and the dust removal rotating body 31 rotate integrally. When the dust removal rotating body 31 is rotated in the same direction by driving the dust removal motor 33, the slopes of the handle engagement portion 42a and the upper surface engagement portion 34 come into contact with each other. Thereby, the clutch part 42 retracts | saves upwards, the rotation of the handle | steering-wheel 41 can be prevented and the dust removal rotary body 31 can be rotated.

  Similarly, when the handle 41 is rotated in the reverse direction, the clutch portion 42 is retracted upward, and the rotation of the dust removal rotary body 31 can be prevented. Therefore, the clutch part 42 and the shaft part 31a constitute a clutch mechanism for connecting and releasing the handle 41 and the dust removing rotary body 31. Note that FIG. 3 described above shows a state in which the clutch portion 42 is retracted upward.

  A plurality of dust removing members 31e (see FIG. 3) projecting downward are provided on the arm portion 31b of the dust removal rotating body 31. The dust removing member 31 e is made of an elastic body and extends to a position beyond the peak portion 37 a of the filter 37. When the dust removal rotating body 31 is rotated by the handle 41 or the dust removal motor 33 (see FIG. 4), the dust removal member 31e rotates integrally and strikes the peak portions 37a (see FIG. 9) of the filter 37 in order. As a result, the filter 37 is vibrated to remove dust adhering to the surface of the filter 37, and the dust is dropped on the enlarged diameter portion 52 of the inner cylinder portion 50.

  A flexible member 36 and a lower end engaging portion 35 are provided below the shaft portion 31 a of the dust removal rotating body 31. The flexible member 36 is disposed along the lower surface 52 a of the enlarged diameter portion 52, and slides on the lower surface 52 a of the enlarged diameter portion 52 by the rotation of the dust removing rotary body 31. Thereby, the dust adhering to the lower surface 52a of the enlarged diameter portion 52 is guided to the central inner cylinder 51. The lower end engaging part 35 engages with an inner cylinder upper engaging part 56 provided at the upper end of the inner cylinder 51. Thereby, the inner cylinder 51 is rotated by the rotation of the dust removing rotator 31.

  On the peripheral surface of the inner cylinder 51, an outlet 51a from which the airflow in the dust collecting container 22 (see FIG. 3) flows out opens. The inner cylinder 51 is formed so as to extend to the lid 60 (see FIG. 3) of the dust collecting container 22, and an opening 51b is provided on the lower surface. Dust falling into the inner cylinder 51 due to the dust removal of the filter 37 accumulates on the lid 60 through the opening 51b.

  At the lower part of the inner cylinder 51, a spiral extruded portion 55 protruding in the radial direction is provided. When the inner cylinder 51 rotates, the dust accumulated in the lower portion of the dust collecting container 22 (see FIG. 3) is compressed by the feeding action of the pushing portion 55. Further, when the inner cylinder 51 is rotated when the lid 60 (see FIG. 3) is opened, the dust accumulated in the lower portion of the dust collecting container 22 (see FIG. 3) is pushed out by the pushing portion 55.

  10 and 11 show an exploded perspective view of the inner cylinder portion 50 and the dust collecting container 22 as viewed from above and an exploded perspective view as viewed from below, respectively. A plurality of mounting ribs 57 project from the lower portion of the outer peripheral surface of the enlarged diameter portion 52. The dust collecting container 22 has a cylindrical cylindrical portion 22a (tubular portion) whose bottom surface is opened and closed by a lid portion 60, and an attachment groove 25 that engages with the attachment rib 57 is formed at the upper end of the cylindrical portion 22a. The dust collecting container 22 can be attached to and detached from the inner cylinder portion 50 by rotating the dust collecting container 22 and engaging / disengaging the mounting groove 25 with the mounting rib 57.

  The inflow port 21 that opens to the peripheral surface of the dust collecting container 22 is provided to allow the airflow to flow in the tangential direction, and is connected to the connection hose 3 (see FIG. 2). Thereby, a whirling airflow is formed in the dust collecting container 22, and dust is separated by the centrifugal force by the whirling airflow.

  An inner cylinder lower engagement portion 58 is provided at the lower part of the inner surface of the inner cylinder 51. The inner cylinder lower engaging portion 58 engages with the rotating body upper engaging portion 63 a of the upper rotating body 63 provided in the lid portion 60. As the inner cylinder 51 rotates, the inner cylinder lower engaging portion 58 engages with the rotating body upper engaging portion 63a, and the upper rotating body 63 rotates.

  12 and 13 show an exploded perspective view of the dust collecting container 22 further disassembled and viewed from above and an exploded perspective view viewed from below. The lid portion 60 is formed in a disc shape and is pivotally supported on the cylindrical portion 22a by a hinge portion 60a provided at one end. A boss 60 b protruding upward is formed on the lid portion 60 so as to be coaxial with the inner cylinder 51. The boss 60b is formed in a hollow shape, and a hole 60c is opened on the upper surface. On the lower surface of the lid 60, a recess 60d is formed that extends in the radial direction from the periphery of the boss 60b and opens one end of the peripheral surface.

  A ring-shaped packing 62 is fitted on the upper surface of the boss 60b. The packing 62 is in contact with the inner surface of the inner cylinder 51 (see FIG. 3) so that the inner cylinder 51 is in close contact with the lid 60, and the outflow of airflow from the opening 51b (see FIG. 8) at the lower end of the inner cylinder 51 is prevented. .

  A lid rotating body 69 having an upper rotating body 63, an intermediate ring 64, a lower rotating body 65, a lower ring 66, a shaft 67 and a fixing screw 68 is attached to the lid portion 60. The upper rotating body 63 is disposed above the lid portion 60, and the intermediate ring 64, the lower rotating body 65, the lower ring 66, and the shaft 67 are disposed below the lid portion 60. The shaft 67 passes through the intermediate ring 64, the lower rotating body 65 and the lower ring 66 and is fixed to the upper rotating body 63 by a fixing screw 68, and the lid rotating body 69 is rotatably attached to the lid 60.

  The upper rotating body 63 is disposed on the upper surface of the boss 60b and is fitted to the peripheral surface of the boss 60b. A shaft portion 63 b having a rectangular cross section is provided on the lower surface of the upper rotating body 63. The upper part of the shaft part 63a is formed in a circular cross section and fits into the hole 60c of the boss 60b. Thereby, the upper rotating body 63 is rotatably arranged with respect to the lid portion 60. On the upper surface of the upper rotating body 63, a rotating body upper engaging portion 63a that engages with the inner cylinder lower engaging portion 58 (see FIG. 11) protrudes.

  The shaft 67 is formed in a rectangular section and has a shaft hole 67a having a rectangular section through which the shaft portion 63b is inserted. A flange portion 67b is formed at the lower end of the shaft 67 so as to protrude in the radial direction. The shaft portion 63b of the upper rotating body 63 is inserted into the shaft hole 67a, and the shaft 67 is fixed to the upper rotating body 63 by a fixing screw 58.

  The intermediate ring 64 is made of a resin having good slipperiness, and has a hole 64a having a rectangular cross section through which the shaft 67 is inserted. The intermediate ring 64 is in contact with the lower surface of the boss 60b and supports the upper surface of the rotating member urging member 61 (see FIG. 3) made of a compression spring.

  The lower rotating body 65 has a hole 65b having a rectangular cross section through which the shaft 67 is inserted, and supports the lower surface of the rotating body biasing member 61 (see FIG. 3). As a result, the lower rotating body 65 is urged downward with respect to the lid 60 by the rotating body urging member 61, and can be slid up and down. Torsion due to friction between the rotator urging member 61 and the boss 60b rotating integrally with the lower rotator 65 can be reduced by the intermediate ring 64, and damage to the rotator urging member 61 can be prevented.

  In addition, the periphery of the hole 65b on the lower surface of the lower rotating body 65 is a flat surface, and a plurality of rotating body lower engaging portions 65a that are separated by a predetermined amount in the circumferential direction project downward from the peripheral portion of the lower surface. . The rotating body lower engaging portion 65 a is engaged with the first lever engaging portion 70 a of the lever 70.

  The lower ring 66 is formed in a cup shape having a cylindrical surface, and has a hole portion 66a through which the shaft 67 is inserted on the upper surface. The upper surface of the lower ring 66 is in contact with the lower surface of the lower rotating body 65, and the flange portion 67b of the shaft 67 is in contact with the periphery of the lower surface side of the hole portion 66a to fix the lower ring 66.

  A lever 70 is disposed in the recess 60 d of the lid 60. The lever 70 is substantially T-shaped having a bottom surface portion 70e that is disposed along the lower surface of the lid portion 60 and extends in the radial direction, and a peripheral surface portion 70f that is disposed along the peripheral surface of the cylindrical portion 22a of the dust collecting container 22. Formed into a mold. The lever 70 has a hole 70 d that fits into the lower ring 66, and is supported so as to be rotatable coaxially with the lid rotating body 69 with respect to the lid 60. The lever 70 is covered with a cover 71 that closes the recess 60d, and the vertical movement is restricted by the upper surface of the recess 60d and the cover 71.

  A plurality of first lever engaging portions 70a separated by a predetermined amount in the circumferential direction are provided on the upper surface side around the hole portion 70d so as to protrude upward. The first lever engaging portion 70a engages with the rotating body lower engaging portion 65a biased downward. Thereby, when the lid rotating body 69 rotates by a predetermined angle, the rotating body lower engaging portion 65a and the first lever engaging portion 70a are engaged, and the lever 70 rotates in the recess 60d. When the lower rotating body 65 moves upward, the engagement between the first lever engaging portion 70a and the rotating body lower engaging portion 65a is released.

  A projection 70b is provided on the peripheral surface portion 70f of the lever 70, and a second lever engaging portion 70c is provided on the front and rear in the circumferential direction of the projection 70b. At the lower end of the cylindrical portion 22 a of the dust collecting container 22, a container engaging portion 28 that engages and disengages the second lever engaging portion 70 c is provided. The lever 70 is urged in a direction in which the second lever engaging portion 70c engages with the container engaging portion 28 by a lever urging portion 73 (see FIG. 14) formed of a compression spring.

  An operation unit 27 is provided at the lower part of the circumferential surface of the cylindrical portion 22a of the dust collecting container 22 so as to contact the projection 70b and move in the circumferential direction. When the operation unit 27 is pressed while holding the lower portion of the dust collecting container 22, the projection 70 b is pressed against the urging force of the lever urging unit 73 and the lever 70 rotates.

  Further, the rotating body lower engaging portion 65a protrudes downward, and the first lever engaging portion 70a protrudes upward and abuts each other in the circumferential direction. The inner cylinder 51, the lid rotating body 69, and the lever 70 are arranged coaxially. Thereby, the rotating shaft of the lever 70 is arranged coaxially with the cylindrical portion 22a, and the peripheral surface portion 70f of the lever 70 can be moved along the peripheral surface of the cylindrical portion 22a with a simple configuration.

  The cover 71 is fixed to the lower surface of the lid portion 60 with screws 72 and closes the recess 60d. The cover 71 is provided with a hole 71a into which the lower ring 66 is fitted. The lower ring 66 protrudes below the cover 71 by the urging force of the rotating body urging member 61 (see FIG. 3).

  FIG. 14 shows a bottom view of the dust collecting container 22. The lever 70 is urged clockwise in the drawing by the urging of the lever urging portion 73. When the lever 70 is disposed at the closed position of one end of the recess 60d shown in the drawing, the second lever engaging portion 70c (see FIG. 13) is disposed at a position where the lower portion is covered by the container engaging portion 28. Thereby, the cover part 60 is latched by the container engaging part 28, and the closed state is maintained.

  As shown in FIG. 15, the lever 70 is disposed at the open position of the other end of the recess 60 d against the urging force of the lever urging portion 73 by pressing of the operation portion 27 or rotation of the handle 41. Accordingly, the second lever engaging portion 70c is retracted from the container engaging portion 28 in the circumferential direction, and the engagement between the second lever engaging portion 70c and the container engaging portion 28 is released. Therefore, the lid 60 can be opened by its own weight.

  In the vacuum cleaner 1 configured as described above, the dust on the floor surface is sucked from the suction port body 5 by driving the electric blower 6, and flows through the extension pipe 4 and the connection hose 3. Airflow containing dust flows into the dust collecting container 22 as shown by an arrow A1 (see FIG. 3) from the inlet 21 of the cyclone dust collector 20, and inside the dust collecting container 22 as shown by an arrow A2 (see FIG. 3). Forms a swirling airflow. The relatively large dust contained in the airflow is removed by the centrifugal force of the swirling airflow, and accumulates on the bottom of the dust collecting container 22.

  The airflow from which the dust has been removed flows out from the outlet 51a into the inner cylinder 51 and rises as indicated by an arrow A3, and fine dust is collected by the filter 37. The airflow that has passed through the filter 37 flows out of the cyclone dust collector 20 through the dust collector exhaust port 24. The airflow flowing out from the cyclone dust collector 20 flows through the duct 15 and is exhausted from the exhaust port 7 via the electric blower 6.

  When the electric blower 6 is stopped by operating the operation unit 14, the dust removal motor 33 of the dust removal device 30 is driven for a predetermined time. The dust removal rotating body 31 is rotated through the gear 32 by the drive of the dust removal motor 33. At this time, the clutch mechanism having the clutch portion 42 is disconnected, and the connection between the handle 41 and the dust removing rotator 31 is released to prevent the handle 41 from rotating.

  The dust removal member 31 e strikes the filter 37 by the rotation of the dust removal rotating body 31, and the dust collected by the filter 37 is removed and falls to the inner cylinder portion 50. At this time, the dust on the lower surface 52 a of the enlarged diameter portion 52 is guided into the inner cylinder 51 by the flexible member 36 and accumulates on the bottom of the inner cylinder 51.

  Further, the rotation of the dust removing rotator 31 causes the lower end engaging portion 35 of the dust removing rotator 31 and the inner cylinder engaging portion 56 to be engaged, and the inner cylinder 51 is rotated. The pushing portion 55 compresses the dust at the bottom of the dust collecting container 22 by the rotation of the inner cylinder 51. Further, the inner cylinder lower engaging portion 58 and the rotating body upper engaging portion 63a are engaged, and the lid rotating body 69 rotates.

  At this time, as shown in FIG. 16, the lower ring 66 of the lid rotating body 69 rises in contact with a predetermined position of the dust collecting chamber 19, and the rotating body lower engaging portion 65a is retracted upward. Thereby, the engagement between the rotating body lower engaging portion 65a and the first lever engaging portion 70a is released. For this reason, the rotation of the lever 70 whose rotation range is restricted by the concave portion 60d is prevented, and the dust removal rotating body 31 can be rotated infinitely.

  Further, when the handle 41 is rotated in a predetermined direction, the lid rotating body 69 is rotated by being connected to the dust removal rotating body 31. At this time, the engagement between the rotating body lower engaging portion 65a and the first lever engaging portion 70a is released. Thereby, when the cyclone dust collector 20 is attached or detached, scattering of dust due to the opening of the lid 60 can be prevented.

  When the cyclone dust collecting device 20 is detached from the dust collecting chamber 19 and the handle 41 is rotated, the handle engaging portion 42 a is engaged with the upper surface engaging portion 34 of the dust removing rotator 31. Thereby, the dust removal rotary body 31 rotates and the filter 37 is removed. The lower end engaging portion 35 of the dust removing rotator 31 engages with the inner cylinder engaging portion 56, and the inner cylinder 51 rotates integrally with the pushing portion 55 by the rotation of the dust removing rotator 31.

  As shown in FIG. 17, the inner cylinder lower engaging portion 58 is engaged with the rotating body upper engaging portion 63 a, and the lid rotating body 69 is rotated by the rotation of the inner cylinder 51. Since the lower ring 66 protrudes downward from the cover 71, the rotating body lower engaging portion 65a engages with the first lever engaging portion 70a, and the lever 70 disposed in the closed position rotates. When the lever 70 is rotated and arranged at the open position, the engagement between the second lever engaging portion 70c and the container engaging portion 28 is released, and the lid portion 60 is opened. Thereby, the dust in the dust collecting container 22 is pushed out by the pushing portion 55 and discarded.

  When the operation unit 27 is pressed, the lever 70 disposed at the closed position is rotated and disposed at the open position. At this time, the first lever engaging portion 70a rotates in a direction away from the rotating body lower engaging portion 65a. Therefore, the load in the dust collecting container 22 can be discarded by reducing the load compared to the operation of the handle 41 that rotates the dust removal rotating body 31, the inner cylinder 51, the lid rotating body 69, and the lever 70 simultaneously.

  The contact surface between the rotating body lower engaging portion 65a and the first lever engaging portion 70a is substantially perpendicular to the surface perpendicular to the rotation axis of the lid rotating body 69 and the lever 70, and the upper side is the lid 60. Inclined in the direction of rotation when opening. By inclining the contact surface, the first lever engaging portion 70a moves downward without sliding with the rotating body lower engaging portion 65a when the lid portion 60 is opened, and generation of frictional force can be prevented.

  Further, since the corresponding contact surface is formed substantially perpendicular to the surface perpendicular to the rotation axis, the force that the rotating body lower engaging portion 65a presses the first lever engaging portion 70a when the lid rotating body 69 rotates. The axial component force can be reduced. Therefore, the handle 60 can be rotated with a light operating force to open the lid 60. In this embodiment, the corresponding contact surface is formed at about 75 ° with respect to the surface perpendicular to the rotation axis.

  According to the present embodiment, the lid 60 on the bottom surface of the dust collecting container 22 is opened by the rotation of the handle 41 disposed on the upper part of the cyclone dust collecting device 20 and the operation of the operation unit 27 disposed on the lower part of the dust collecting container 22 is performed. Thus, the lid 60 is opened, so that it is possible to make it difficult for the user's hand to touch the dust falling from the dust collecting container 22 by operating the upper handle 41. In addition, the lower part of the cyclone dust collecting device 20 can be disposed in the trash box, so that dust can be discarded, and dust scattering can be reduced.

  In addition, since the lid 60 is engaged with the lower part of the inner cylinder 22a (cylinder) and the operation part 27 is provided at the lower part of the dust collecting container 22, the inner cylinder 22a and the lid 60 by the operation part 27 are provided. The release mechanism for releasing the engagement can be simplified. For this reason, the release mechanism by the operation unit 27 is unlikely to break down, and the lid 60 can be opened even if the release mechanism that releases the engagement between the inner cylinder part 22a and the lid 60 by the handle 41 breaks down. Therefore, the convenience of the vacuum cleaner 1 can be improved.

  Moreover, while providing the inner cylinder 51 which has the inner cylinder lower engaging part 58 and rotates integrally with the handle | steering-wheel 41, rotation of the rotatable cover part which has the rotating body upper engaging part 63a and the rotating body lower engaging part 65a is possible. Since the body 69 and the pivotable lever 70 having the first and second lever engaging portions 70a and 70c are provided in the lid portion 60, the lever 70 is moved relative to the container engaging portion 28 by the operation portion 27. By rotating the handle 41 with a simple configuration, the rotating body lower engaging portion 65a and the first lever engaging portion 70a can be engaged to open the lid portion 60.

  In addition, the lid 60 can be opened with a lighter load than when the handle 41 is operated by operating the operation unit 27. Thereby, when the operation of the handle 41 becomes heavy due to the dust caught in the dust collecting container 22 or when the user's force is weak, the dust can be easily discarded by the operation of the operation unit 27. Therefore, the convenience of the vacuum cleaner 1 can be further improved.

  The container engaging portion 28 is rotatably provided, and the operation of the operation portion 27 presses the container engaging portion 28 to release the engagement between the second lever engaging portion 70c and the container engaging portion 28. Also good. That is, the lever 70 may be moved relative to the container engaging portion 28 by the operation portion 27. However, when the lever 70 is rotated to the open position by operating the operation unit 27, the container engaging portion 28 can be fixed and the movable parts can be reduced. Therefore, the configuration can be further simplified and failure can be reduced.

  In addition, the rotating body lower engaging portion 65a protrudes downward and the first lever engaging portion 70a protrudes upward and abuts in the circumferential direction, and the inner cylinder 51, the lid rotating body 69 and the lever 70 are arranged coaxially. Therefore, the peripheral surface portion 70f of the lever 70 can be moved along the peripheral surface of the inner cylindrical portion 22a of the dust collecting container 22 with a simple configuration. Therefore, the lever 70 can be easily rotated by operating the operation unit 27.

  Further, the rotation of the handle 41 opens the lid portion 60 on the bottom surface of the dust collecting container 22 and pushes out the dust by the spiral pressing portion 55. it can. Therefore, the convenience of the vacuum cleaner 1 can be improved.

  According to this invention, it can utilize for the vacuum cleaner provided with the cyclone dust collector.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner 2 Main part 3 Connection hose 4 Extension pipe 5 Suction port body 6 Electric blower 7 Exhaust port 14 Operation part 15 Duct 19 Dust collection chamber 20 Cyclone dust collector 21 Inlet 22 Dust collection container 24 Dust collector exhaust port 27 Operation section 28 Container engagement section 30 Dust removal device 31 Dust removal rotating body 31a Shaft section 31e Dust removal member 32 Gear 33 Dust removal motor 34 Upper surface engagement section 35 Lower end engagement section 37 Filter 40 Cover section 41 Handle 42 Clutch section 42a Handle engagement Part 50 Inner cylinder part 51 Inner cylinder 51a Outlet 52 Expanded part 55 Extrusion part 56 Inner cylinder upper engagement part 58 Inner cylinder lower engagement part 60 Lid part 61 Rotating body biasing member 62 Packing 63 Upper rotating body 63a Rotating body Upper engaging part 64 Intermediate ring 65 Lower rotating body 65a Rotating body lower engaging part 66 Lower ring 67 Shaft 69 Lid rotating body 7 0 lever 70a first lever engaging portion 70c second lever engaging portion 71 cover 73 lever urging member

Claims (5)

  A dust collecting container that is closed by an openable / closable lid that engages a bottom surface of the cylindrical tube part with a lower portion of the cylinder part, and forms a swirling airflow in the dust collecting container to form a dust collecting container in the dust collecting container; In a vacuum cleaner equipped with a detachable cyclone dust collector that separates and collects dust contained in an inflowing airflow, the cyclone dust collector is a rotatable unit disposed above the dust container. A handle and an operating portion provided on a lower peripheral surface of the dust collecting container, and when the handle is rotated by removing the cyclone dust collecting device, the engagement between the lid and the cylinder is released. Then, the lid portion is opened, and the lid portion is opened by releasing the engagement between the lid portion and the tube portion by the operation of the operation portion. An inner cylinder that has an outlet through which a swirling airflow flows out, an inner cylinder lower engagement portion disposed in a lower portion, is coaxially disposed in the dust collecting container and rotates integrally with the handle;
A rotating body upper engaging portion that is disposed above the lid portion and engages with the inner cylinder lower engaging portion; and a rotating body lower engaging portion that is disposed below the lid portion, and the lid A lid rotating body that is rotatably attached to the section;
A first lever engaging portion that engages with the rotating member lower engaging portion; and a container engaging portion that is disposed along the peripheral surface of the dust collecting container and provided in the dust collecting container at the closed position. And a second lever engaging portion that is attached to the lid portion so as to be rotatable, and is disposed when the lid portion is opened. A lever that pivots between the open position and
A lever urging member that urges the lever toward the closed position;
The lid is closed by engagement of the second lever engaging portion and the container engaging portion, and the lever is moved to the open position via the inner cylinder and the lid rotating body by rotation of the handle. And the engagement between the second lever engaging portion and the container engaging portion is released, and the lever is moved relative to the container engaging portion by the operation of the operating portion. The vacuum cleaner according to claim 1, wherein the engagement between the second lever engaging portion and the container engaging portion is released.   The electric vacuum cleaner according to claim 2, wherein the lever is rotated to the open position by an operation of the operation unit.   The rotating body lower engaging portion protrudes downward from the lower surface of the lid rotating body, and the first lever engaging portion protrudes upward from the upper surface of the lever to contact each other in the circumferential direction. The electric vacuum cleaner according to claim 2, wherein a rotating shaft of the lid rotating body and the lever is arranged on the electric vacuum cleaner.   A spiral pressing portion protruding from a peripheral surface of the inner cylinder is provided, and when the handle is rotated, the pressing portion rotates together with the inner cylinder to push out dust. Item 5. The vacuum cleaner according to any one of Items 4 to 6.

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