JP5610522B2 - Electric vacuum cleaner - Google Patents

Description

  The present invention relates to a vacuum cleaner provided with a dust collecting part in a detachable manner.

  A conventional vacuum cleaner is disclosed in Patent Document 1. In this vacuum cleaner, a main body part covered with a main body cover is provided with an electric blower, and a dust collection chamber is provided on the upstream side of the electric blower.

  The dust collecting portion is provided with a bottomed cylindrical dust collecting container having a circular cross section having an opening surface on the upper surface. The dust collecting container is provided with an inlet for allowing air to flow in a circumferential tangential direction on the peripheral surface, and a swirling airflow is formed by the air flowing from the inlet. In the dust collecting container, an inner cylinder having an air flow outlet on its peripheral surface is arranged coaxially. A filter held by a filter holding unit is disposed on the opening surface of the upper surface of the dust collecting container.

  The airflow containing dust flows into the dust collecting container from the inlet, and large dust is separated and accumulated in the dust collecting container by the centrifugal force of the swirling airflow. The airflow from which large dust has been removed flows through the inner cylinder via the outlet, and fine dust is collected by the filter. The airflow from which fine dust has been removed flows out of the dust collecting part, passes through the electric blower, and is exhausted to the outside of the main body part. Thereby, the surface to be cleaned can be cleaned. A window portion for visually recognizing the inside of the dust collecting container is formed on the front surface of the main body portion.

  In front of the filter holding portion, a rotatable gripping portion whose upper portion is pivotally supported by a horizontal axis is provided. An engaging part (key part) is connected to the grip part via a link mechanism. The engaging portion slides up and down as the gripping portion rotates, and is biased upward. When the lower part of the gripping part is gripped with fingers and rotated forward, the engaging part is lowered, and when the finger is released from the gripping part, the engaging part is raised by urging.

  The dust collecting part is inserted into the dust collecting chamber of the main body with the engaging part lowered by the rotation of the gripping part. When the gripping part is released, the engaging part protrudes upward from the filter holding part and engages the main body cover. To do. Thereby, a dust collection part is mounted | worn with a main-body part. Further, when the gripping part of the dust collecting part mounted on the main body part is rotated, the engaging part is lowered and the engagement with the main body cover is released. As a result, the dust collecting part can be pulled out and detached from the main body part forward, and dust can be discarded or the filter can be cleaned.

Japanese Unexamined Patent Publication No. 2008-93341 (pages 4-6, FIG. 12)

  However, according to the above-described conventional vacuum cleaner, the dust collector is pulled forward by supporting the main body with one hand when the dust collector is attached and detached, and gripping and rotating the grip. For this reason, when one hand of the user is blocked, the dust collecting part cannot be easily detached, and 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 provides a vacuum cleaner in which a dust collecting part is detachably provided in a main body part that houses an electric blower, wherein the dust collecting part includes a dust collecting container in which dust accumulates, and the main body A cover that covers the upper part of the dust collecting container by forming an exterior of the part, a grip that is pivotally supported by the cover and pivots in the vertical direction, and engages with the main body to It is characterized by comprising an engaging portion that locks the mounted state and is disengaged from the main body when the gripping portion is rotated upward.

  According to this configuration, the dust collecting part having the dust collecting container is mounted on the main body part, and the mounting state is locked by the engagement between the main body part and the engaging part. The airflow flows into the dust collecting container by driving the electric blower, and the dust contained in the airflow is separated and accumulated in the dust collecting container. When the open end of the grip portion is gripped and pulled upward, the grip portion rotates. Thereby, the engagement between the engaging portion and the main body portion is released, and the dust collecting portion is pulled up and detached from the main body portion.

  In the electric vacuum cleaner having the above-described configuration, the present invention is characterized in that a window portion for visually recognizing the inside of the dust collecting container is provided at the front portion of the main body portion. According to this configuration, the dust accumulated in the dust collecting container is visually recognized through the window portion, and the dust disposal time can be determined.

  Further, the present invention is characterized in that, in the vacuum cleaner having the above-described configuration, the open end of the grip portion is disposed in the vicinity of the central axis of the dust collecting container. According to this configuration, the open end of the gripping portion is disposed substantially vertically above the center of gravity of the dust collection portion. Thereby, the dust collection part which hold | gripped and detached | attached by holding | gripping the open end of a holding part can be conveyed stably.

  According to the present invention, in the electric vacuum cleaner having the above-described configuration, a slide member that has the engagement portion at a rear end and is provided on the cover portion so as to be slidable in the front-rear direction and biased rearwardly, and the grip portion A projecting portion projecting downward from between the pivot shaft and the open end, and the slide member has an inclined surface that is inclined rearward and abuts the front end of the projecting portion, and The protrusion is slid on the inclined surface by the rotation, and the engaging portion moves forward and backward.

  According to this configuration, when the grip portion is gripped and rotated upward, the projecting portion protruding below the grip portion rotates upward and slides on the inclined surface of the slide member. Since the upper surface of the inclined surface is inclined rearward, the slide member slides forward by the rotation of the protruding portion. As a result, the engagement portion provided at the rear end of the slide member moves forward and the engagement with the main body portion is released. When the finger is released from the grip portion, the slide member is retracted integrally with the engaging portion by urging, and the engaging portion is engaged with the main body portion.

  Further, the present invention is characterized in that, in the vacuum cleaner having the above-described configuration, a shielding rib that covers the front of the slide member is provided on the lower surface of the grip portion.

  According to the present invention, when the gripping part pivotally supported by the cover part covering the upper part of the dust collecting container is rotated in the vertical direction, and the engaging part engaged with the main body part is rotated upward the gripping part, the main body Since the engagement with the body part is released, when the dust collecting part is attached or detached, when the grip part is grasped with one hand and pulled upward, the engagement between the engagement part and the body part is released by the weight of the body part. . And the state by which engagement with the engaging part and the main-body part was cancelled | released by the dead weight of the dust-collecting part is maintained, and the dust-collecting part can be pulled up and removed from the main-body part. Therefore, even if one hand of the user is blocked, the dust collecting part can be easily detached and 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 The perspective view which shows the dust collection part of the vacuum cleaner of embodiment of this invention Side surface sectional drawing which shows the dust collection part of the vacuum cleaner of embodiment of this invention The disassembled perspective view which shows the cover part of the dust collection part of the vacuum cleaner of embodiment of this invention The perspective view which shows the state which installed the slide member in the cover part housing | casing of the dust collecting part of the vacuum cleaner of embodiment of this invention. The perspective view which looked at the holding part of the dust collection part of the vacuum cleaner of the embodiment of the present invention from the lower part Side surface sectional drawing which shows the cross section which passes along the protrusion part of the dust collection part of the vacuum cleaner of embodiment of this invention Side surface sectional drawing which shows the state which removed the dust collecting part of the main-body part 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 pipe gripping portion 13 and an operation portion 14. The user operates the operation unit 14 to perform the cleaning operation, grips the pipe gripping part 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 covered with a main body cover 10, and the electric blower 6 is arranged at the rear. A connection port 10a for connecting the connection hose 3 (see FIG. 1) is opened on the front surface of the main body cover 10, and an exhaust port 10b is opened on the back surface. A dust collection chamber 19 is provided in front of the electric blower 6, and a cyclone type dust collection unit 20 is disposed in the dust collection chamber 19. As will be described in detail later, the dust collection container 22 of the dust collection unit 20 is made of a transparent resin, and a window 10 c that allows the inside of the dust collection container 22 to be visually recognized is provided at the front part of the main body cover 10.

  The dust collecting unit 20 is provided with an inlet 22a communicating with the connection port 10a and a dust collecting unit exhaust port 42a through which an airflow from which dust is removed flows. The dust collector exhaust port 42 a and the electric blower 6 are connected by a duct 15.

  A cover part 40 that forms an exterior of the main body part 2 is arranged on the upper part of the dust collecting part 20 in a manner continuous to the main body cover 10. On the upper surface of the cover part 40, a rotatable gripping part 41 pivotally supported at the rear part is provided. An engaging portion 43 that engages with the main body cover 10 and locks the mounted state of the dust collecting portion 20 is provided behind the upper portion of the cover portion 40.

  3 and 4 show a perspective view and a side cross-sectional view of the dust collecting unit 20. The dust collection unit 20 includes a cover unit 40, a filter holding unit 50, and a dust collection container 22. The dust collection container 22 is made of a transparent resin, and is formed in a bottomed cylindrical shape having a substantially circular cross section with an opening surface 22b on the upper surface. An inlet 22a that communicates with the connection port 10a (see FIG. 2) and into which airflow from the connection hose 3 (see FIG. 1) flows is provided on the peripheral surface of the front portion of the dust collecting container 22.

  An airflow flows in the circumferential tangential direction into the dust collecting container 22 through the inlet 22 a, and a swirling airflow is formed in the dust collecting container 22. Thereby, a cyclone type dust collector is formed, and the dust contained in the airflow is separated by centrifugal force. In addition, a clip 23 that is rotatable about a horizontal axis is provided on the peripheral surface of the rear portion of the dust collecting container 22.

  The filter holding unit 50 holds a filter 37 that is circular in plan view. The filter 37 is formed of a pleated filter, and is formed by bending so that a crest and a trough are continuous in a direction perpendicular to the axial direction. Thereby, the filter 37 has a wide collection area, covers the opening surface 22b of the dust collection container 22, and collects dust.

  The filter holding part 50 has an annular part 50 a along the circumferential surface of the filter 37 that is circular in plan view, and is detachably provided to the dust collecting container 22. When the filter holding part 50 is inserted into the dust collecting container 22 integrally with an inner cylinder 51 described later and the clip 23 is engaged with the back surface of the filter holding part 50, the filter holding part 50 is attached to the dust collecting container 22. When the clip 23 is rotated to disengage the filter holding portion 50, the filter holding portion 50 can be detached from the dust collecting container 22.

  An inner cylinder 51 protrudes from the lower surface of the filter holding unit 50. The inner cylinder 51 is arranged coaxially with the dust collecting container 22, and an air flow outlet 51 a is provided on the peripheral surface.

  The upper surface of the cover portion 40 is formed as an inclined surface with the front side lowered, and a communication passage 42 that allows the filter 37 and the duct 15 (see FIG. 2) to communicate with each other is formed inside the cover portion 40. On the back surface of the cover portion 40, a dust collection portion exhaust port 42 a that is an end surface of the communication passage 42 opens. The cover part 40 is pivotally supported on the filter holding part 50 by a hinge part 60 provided on the back surface, and opens and closes the upper side of the filter 37.

  FIG. 5 shows an exploded perspective view of the cover 40. The cover unit 40 includes a cover unit housing 46, a slide member 47, a gripping unit 41, and an upper surface cover 45. The cover housing 46 is formed with a communication passage 42 (see FIG. 4), and a recess 46a is formed on the upper surface. An opening 46 e opens on the back surface of the recess 46.

  Guide ribs 46d extending forward from the left and right ends of the opening 46e are provided at the rear of the recess 46a. The upper portions of the opposing guide ribs 46d bend in a direction approaching each other. In front of the guide rib 46, an L-shaped upper surface restricting portion 46c is provided at the center in the left-right direction. In addition, bearing portions 46 b that support the grip portion 41 are provided at the left and right ends of the rear portion of the recess 46.

  The slide member 47 is formed in a T-shape in a plan view having a fitting portion 47a extending in the front-rear direction and a contact portion 47b extending left and right from the front end of the fitting portion 47a. The fitting portion 47a is fitted between the left and right guide ribs 46d of the cover housing 46, and the contact portion 47b is in contact with the protruding portion 41b (see FIG. 7) of the grip portion 41. The fitting portion 47a is formed with a through hole 47c penetrating vertically, and the engagement portion 43 is provided integrally with the rear portion protruding rearward from the back surface. The back surface of the contact portion 47b is formed by an inclined surface 47d whose upper side is inclined backward.

  FIG. 6 is a perspective view showing a state where the slide member 47 is installed in the cover housing 46. The upper surface restricting portion 46c is inserted into the through hole 47c of the slide member 47, and the fitting portion 47a of the slide member 47 is disposed between the both guide ribs 46d. Further, the engaging portion 43 (see FIG. 5) provided at the rear end of the fitting portion 47a is inserted through the opening 46e (see FIG. 5).

  The side surface of the fitting portion 47a is slidably guided by the guide rib 46d so that the slide member 47 can slide back and forth. At this time, the upper portion of the guide rib 46d slides on the upper surface of the fitting portion 47a, and the upper portion of the upper surface regulating portion 46c slides on the upper surface of the contact portion 47b. Thereby, the vertical movement of the slide member 47 is restricted. Further, a compression spring (not shown) is disposed between the back wall of the through hole 47c of the slide member 47 and the upper surface regulating portion 46c, and the slide member 47 is urged rearward.

  In FIG. 5, the grip portion 41 has a shaft portion 41 a protruding from the left and right ends of the rear portion. The upper surface cover 45 opens an opening 45 a through which the grip portion 41 passes, and is engaged with the cover portion housing 46. On the lower surface of the upper surface cover 45, bearing portions 45b are projected from the left and right ends of the rear portion. When the shaft portion 41a of the grip portion 41 is disposed in front of the bearing portion 46b of the cover portion housing 46 and the upper surface cover 45 is attached, the shaft portion 41a is supported by the bearing portion 46b and the bearing portion 45b. Thereby, the holding part 41 is pivotally supported, and can hold the open end of the front end and rotate in the vertical direction. Further, the open end of the grip portion 41 is disposed in the vicinity of the central axis C (see FIG. 4) of the dust collecting container 22.

  FIG. 7 shows a perspective view of the grip portion 41 as viewed from below. A rib 41d extending in the left-right direction is provided at the front end of the lower surface of the grip portion 41. When the user grips the open end of the grip portion 41, the finger is caught on the rib 41d, and the finger can be prevented from slipping.

  A substantially L-shaped protruding portion 41b is provided between the shaft portion 41a on the lower surface of the grip portion 41 and the open end. The front end of the protruding portion 41b abuts on the inclined surface 47d of the slide member 47, and slides on the inclined surface 47d by the rotation of the grip portion 41. That is, as shown in FIG. 8, when the open end of the gripping portion 41 is pulled upward, the protruding portion 41b rotates upward and slides on the inclined surface 47d. Since the upper surface of the inclined surface 47d is inclined rearward, the slide member 47 slides forward by the rotation of the protruding portion 41b.

  Further, a shielding rib 41 c that covers the front of the slide member 47 is provided on the lower surface of the grip portion 41. It is possible to prevent a finger that has gripped the open end of the grip portion 41 by the shielding rib 41 c from coming into contact with the slide member 47.

  In the vacuum cleaner 1 having the above-described configuration, when the electric blower 6 is driven, dust on the floor surface is sucked from the suction port body 5 and flows through the extension pipe 4 and the connection hose 3. The air flow including dust flows into the dust collecting container 22 of the dust collecting unit 20 through the connection port 10a and the inflow port 22a, and forms a swirling air flow in the dust collecting container 22. The relatively large dust contained in the airflow is removed by the centrifugal force of the swirling airflow, and is accumulated in the dust collecting container 22.

  The airflow from which the large dust has been removed flows out from the outlet 51 a into the inner cylinder 51 and rises, and fine dust is collected by the filter 37. The airflow that has passed through the filter 37 flows out of the dust collector 20 through the dust collector exhaust port 42a. The airflow flowing out from the dust collecting unit 20 flows through the duct 15 and is exhausted from the exhaust port 10b through the electric blower 6.

  When the user grips the open end of the gripping portion 41 with one hand and pulls it upward, the gripping portion 41 is rotated by the weight of the main body 2 that engages with the engaging portion 43. Thereby, the front end of the protrusion 41b slides on the inclined surface 47d, the slide member 47 advances, and the engagement between the engagement portion 43 and the main body 2 (main body cover 10) is released. And the state by which engagement with the engaging part 43 and the main-body part 2 was cancelled | released by the dead weight of the dust-collecting part 20 is maintained, and as shown in FIG. 9, the dust-collecting part 20 is pulled up and removed from the main-body part 2. be able to.

  When the filter holding part 50 and the cover part 40 of the dust collecting part 20 detached from the main body part 2 are detached from the dust collecting container 22 by the rotation of the clip 23, the dust in the dust collecting container 22 is discarded. Moreover, when the cover part 40 pivotally supported by the filter holding part 50 is opened by the hinge part 60, dust removal of the filter 37, washing of the filter 37, and the like can be performed.

  The desorbed dust collecting portion 20 is inserted from above into the dust collecting chamber 19 of the main body 2 with the open end of the grasping portion 41 held by one hand and pulled up. When the finger is released from the grip portion 41, the slide member 47 is retracted by urging. Thereby, the engaging part 43 and the main body cover 10 are engaged, and the mounting state of the dust collecting part 20 is locked.

  According to this embodiment, the grip part 41 pivotally supported by the cover part 40 covering the upper side of the dust collecting container 22 rotates in the vertical direction, and the engaging part 43 engaged with the main body part 2 moves the grip part 41 upward. Since the engagement with the main body 2 is released when the dust collecting section 20 is detached, when the dust collecting section 20 is attached or detached, the engaging section is held by the weight of the main body 2 by grasping the grasping section 41 with one hand and pulling it upward. 43 and the main body 2 are disengaged. And the state by which the engagement part 43 and the main-body part 2 were released by the dead weight of the dust-collecting part 20 is maintained, and the dust-collecting part 20 can be pulled up and removed from the main-body part 2.

  For this reason, even if it is a case where one hand of a user is obstruct | occluded, the dust collecting part 20 can be remove | desorbed easily. In addition, the dust collector 20 is lifted and transported after the gripper 41 is lifted up and detached from the main body 2, so that the dust collector 20 can be lifted by a series of operations. Therefore, the convenience of the vacuum cleaner 1 can be improved.

  Further, when the window portion 10c and the grip portion 41 are arranged on the front surface of the main body portion 2 as in the conventional example, the window portion 10c is blocked, and thus the grip portion 41 cannot be enlarged. In the present embodiment, a window portion 10 c for visually recognizing the inside of the dust collecting container 22 is provided at the front portion of the main body portion 2, and the grip portion 41 is disposed on the upper surface of the main body portion 2. Thereby, the holding | grip part 41 can be enlarged, the distance of the axial part 41a and an open end can be formed long, and it can be rotated by small force. Therefore, the dust collecting unit 20 can be easily detached.

  Further, since the open end of the gripping portion 41 is disposed in the vicinity of the central axis C of the dust collecting container 22, the open end of the gripping portion 41 is disposed substantially vertically above the center of gravity of the dust collecting portion 20. Thereby, the dust collection part 20 which hold | gripped and detached | attached by holding | gripping the open end of the holding part 41 can be conveyed stably, and the convenience of the vacuum cleaner 1 can be improved more.

  Further, the slide member 47 integral with the engaging portion 43 is provided with an inclined surface 47d inclined upward in the rear direction, and the protruding portion 41b protruding downward from between the shaft portion 41a and the open end of the holding portion 41 is the holding portion 41. The engaging portion 43 moves forward and backward by sliding on the inclined surface 47d by the rotation of the. Thereby, the slide member 47 and the protrusion 41b can be arranged in a small space in the vertical direction between the grip 41 and the recess 46a, and a large moving distance of the engaging portion 43 can be obtained. Therefore, the dust collector 20 and the vacuum cleaner 1 can be reduced in size.

  Further, since the shielding rib 41 c that covers the front of the slide member 47 is provided on the lower surface of the grip portion 41, it is possible to prevent the finger that grips the open end of the grip portion 41 from contacting the slide member 47.

  In the present embodiment, the vacuum cleaner 1 is formed in a canister type in which the suction port body 5 is connected to the main body portion 2 in which the electric blower 6 is housed via the connection hose 3. May be a vertical vacuum cleaner provided integrally.

  ADVANTAGE OF THE INVENTION According to this invention, it can utilize for the vacuum cleaner provided with the dust collection part which has a dust collection container in which dust accumulate | stores so that attachment or detachment is possible.

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner 2 Main-body part 3 Connection hose 4 Extension pipe 5 Suction inlet 6 Electric blower 10 Main body cover 13 Pipe holding part 14 Operation part 15 Duct 19 Dust collection chamber 20 Dust collection part 22 Dust collection container 22a Inlet 23 Clip 37 Filter 40 Cover part 41 Grasping part 41a Shaft part 41b Protruding part 41c Shielding rib 42 Communication path 42a Dust collecting part exhaust port 43 Engaging part 45 Upper surface cover 45b, 46b Bearing part 46 Cover part housing 46a Recessed part 46c Upper surface restricting part 46d Guide Rib 46e Opening portion 47 Slide member 47a Fitting portion 47b Abutting portion 47d Inclined surface 50 Filter holding portion 51 Inner cylinder 51a Outlet port 60 Hinge portion

Claims (2)

An electric vacuum cleaner in which a dust collecting part is detachably provided in a main body part that houses an electric blower, wherein the dust collecting part forms a dust collecting container in which dust accumulates, and an exterior of the main body part to form the dust collecting container A cover portion that covers the upper portion of the cover, a grip portion that is pivotally supported by the cover portion and rotates in the vertical direction, and engages with the main body portion to lock the mounting state of the dust collecting portion and the grip portion is moved upward. And an engagement portion that is disengaged from the main body when rotated to the rear, and the engagement portion at the rear end is provided on the cover portion so as to be slidable in the front-rear direction and urged rearwardly A sliding member, and a projecting portion projecting downward from between the pivot shaft and the open end of the gripping portion, and the sliding member is tilted upward and comes into contact with the front end of the projecting portion And the projecting portion slides on the inclined surface by the rotation of the gripping portion. Vacuum cleaner, wherein the engaging portion moves forward and backward Te. Vacuum cleaner according to claim 1, characterized in that projecting from the shielding rib that covers the front of the slide member to the lower surface of the gripping portion.

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