JP2022116462A - vacuum cleaner - Google Patents

Abstract

To provide a vacuum cleaner that restrains dust from being blown into the air during dust discarding, by collecting dust in a dust collection part provided in a cleaner body, when a user puts the vacuum cleaner on a battery charger.SOLUTION: An upper part of a battery charger 5 is provided with an opening, and a dust container 54 is provided therein. The dust container 54 communicates with the opening. When a vacuum cleaner is installed on the battery charger 5, a lid body provided on an opening surface of a dust collection part of the vacuum cleaner is opened. Thus, the opening surface of the dust collection part and the opening of the battery charger 5 communicate with each other, and dust in the dust collection part is discharged into the dust container 54.SELECTED DRAWING: Figure 7

Description

The present invention relates to a charging stand for a vacuum cleaner.

As a background art of this technical field, there is Japanese Patent Application Laid-Open No. 5-84161 (Patent Document 1). The charging stand disclosed in this publication is configured to suck dust in a dust collection chamber into a dust bag through a suction port (suction port) and charge a storage battery.

In addition, there is Japanese Unexamined Patent Application Publication No. 2019-217206 (Patent Document 2). This publication describes a self-running electric vacuum cleaner (cleaning robot) that transfers dust in a dust collecting section to a dust station.

JP-A-5-84161 JP 2019-217206 A

However, the vacuum cleaner described in Patent Document 1 has a structure in which dust is sucked into the dust bag via the suction member. Since the rotating brush is interposed between the flow paths to the bag, it interferes with the transfer of dust.

In addition, the cleaning robot described in Patent Document 2 does not consider how to dispose of the dust collected in the dust station, and there is a concern that dust may be stirred up when disposing of the dust in the dust station.

SUMMARY OF THE INVENTION An object of the present invention is to provide an electric vacuum cleaner that collects dust in a dust collecting part when a user places the rechargeable electric vacuum cleaner on a charging stand, and that can suppress the dust from rising when the dust is thrown away. .

The present invention provides an electric vacuum cleaner including an electric blower, a storage battery, a dust collection part, and a suction body, and a charging stand on which the vacuum cleaner is installed, wherein the charging stand has an opening on the outer surface and a dust container inside, and the dust is collected. The container communicates with the opening, the dust collection part has an opening at one end, and the opening has a cover that can be opened and closed. When the vacuum cleaner is placed on the charging base, the cover opens. The surface communicates with the opening, and the dust in the dust collecting section is discharged into the dust container.

According to the present invention, by providing the dust container on the charging base, dust is prevented from being blown up when the dust is thrown away. Adhesion and tangling of long hair can be suppressed, and the frequency of cleaning the dust case can be greatly reduced.

1 is an external perspective view showing the entirety of a vacuum cleaner placed on a charging stand according to the present invention; FIG. It is a perspective view of the charging stand of Example 1 which concerns on this invention. It is a perspective view which shows the state which removed the stand upper part of the charging stand shown in FIG. It is a front view of the stand upper part of Example 1 which concerns on this invention. FIG. 5 is a perspective view showing a state in which a dust container is removed from the upper part of the stand shown in FIG. 4; FIG. 6 is a perspective view of the dust collection container shown in FIG. 5 with a vinyl bag attached; FIG. 2 is a cross-sectional view taken along line AA shown in FIG. 1; It is a perspective view which shows the charging stand of Example 1 which concerns on this invention, and a mouthpiece. It is a figure showing the flow of internal air in the center sectional view of the charging stand shown in FIG. FIG. 2 is a cross-sectional view showing the entire vacuum cleaner placed on the charging base of Example 2 according to the present invention (cross section taken along line AA shown in FIG. 1).

EMBODIMENT OF THE INVENTION Hereinafter, the charging stand of Example 1 which concerns on this invention is demonstrated with reference to drawings.

FIG. 1 shows an external perspective view of a state in which a vacuum cleaner is placed on a charging stand according to the present invention. A vacuum cleaner 1 is composed of a vacuum cleaner main body 2, an extension pipe 3, and a suction body 4. - 特許庁

The vacuum cleaner body 2 includes an electric blower (not shown) that generates a suction force inside, a dust case 20 that stores dust collected by the suction force of the electric blower, and a hand operation switch 11 on a handle (handle 12). etc.

One end of the extension pipe 3 is connected to the connection port 13 of the cleaner body 2 so as to communicate with the dust case 20 of the cleaner body 2 . The other end of the extension pipe 3 is connected to the mouthpiece 4 .

The extension pipe 3 is communicated with a ventilation passage (not shown) and has a power supply terminal (not shown) to which power is supplied from the main body 2 of the cleaner.

When the hand control switch 11 is operated, the body control circuit (not shown) controls the operation/stop of the electric blower, the switching of the suction force, and the operation/stop of the electric motor (not shown) provided in the suction body 4. A rechargeable battery 15 is used as a power source for driving the cleaner main body 2 and the suction body 4 .

FIG. 2 is a perspective view showing the charging stand 5 of this embodiment. In addition, the charging stand 5 shown in FIG. 2 is in a state where the electric vacuum cleaner 1 is removed. FIG. 3 is a perspective view showing a state in which the stand upper portion 51 of the charging base 5 is removed.

As shown in FIGS. 2 and 3 , the charging stand 5 is composed of a base portion 53 and a stand portion 50 . The stand portion 50 is composed of a stand upper portion 51 and a stand lower portion 52, and the stand upper portion 51 communicates with the stand lower portion 52 and is detachably connected thereto. The stand lower portion 52 communicates with the base portion 53 and is detachably connected thereto. (The stand lower portion 52 and the base portion 53 may not be detachable.)
In this embodiment, charging means for charging the rechargeable battery 15 provided in the cleaner main body 2 is not illustrated, but for example, a main body charging terminal is provided on the side surface of the cleaner main body 2, and the vacuum cleaner 1 is connected to a charging stand. 5, there is a means for the user to insert the DC plug of the separate AC-DC adapter into the charging terminal on the main body side. In addition, the base part 53 is provided with a charging board and an AC cord, the upper part of the stand 51 is provided with a charging base side charging terminal for conducting electricity with the charging board, and the cleaner main body 2 is provided with a main body side charging terminal to charge the vacuum cleaner 1. When placed on the base 5, there is also a means for supplying power by contacting the charging terminal on the body side and the charging terminal on the charging stand side.

The base portion 53 is provided with locking portions 57 for restricting the forward movement of the suction body 6 in a state where the vacuum cleaner 1 is attached. There is a concave shape provided. In other words, a recess 58 is provided in the center.

Further, the base portion 53 is provided with a hole 59 for sucking out the air inside the charging stand 5, although the details will be described later.

FIG. 4 is a front view of the stand upper part 51 that can be attached and detached from the stand part 50. FIG. As shown in FIG. 4, the stand upper part 51 is combined so as to include a part (upper side) of the dust container 54, and the dust container 54 is detachably fixed. The upper part 51 of the stand is a frame with an open upper surface and a lower surface, and the dust container 54 is a quadrangular pyramid-shaped container with an open upper surface and a downward constriction. The dust container 54 is inserted from the bottom side of the upper stand portion 51 . In this embodiment, the stand portion 50 has a square columnar shape, but it may also have a columnar shape. Also good.

The opening 51a on the upper surface of the stand upper portion 51 abuts the flange portion 23 provided on the lower external surface of the dust case 20 when the cleaner body 2 is placed as shown in FIG. Specifically, the opening 51a is larger than the opening of the bottom of the dust case 20 (diameter of the bottom of the dust case 20) and smaller than the diameter of the flange 23 described above, and the opening 51a and the lower part of the dust case 20 are fitted. It has a structure that This is for covering the opening 51a with the lower part of the dust case 20, and also has the effect of fixing the electric vacuum cleaner 1 to the charging base 5 in a state where it is placed.

Although the details of the function will be described later, the protrusion 60 on the upper surface of the stand upper portion 51 is designed to move the bottom of the dust case 20 when the lower portion of the dust case 20 of the cleaner body 2 is fitted into the opening 51a of the stand upper portion 51. It is provided for opening the lid 25 .

The outer surface of the dust container 54 has unevenness in the vertical direction, and a hole 55 is provided in the groove portion 54a. When the dust container 54 is attached to the upper stand 51, the gap between the dust container 54 and the inner wall surface of the upper stand 51 can be increased by providing the hole 55 in the groove 54a on the surface of the dust container 54, thereby improving the flow of air, which will be described later. It has the effect of improving

FIG. 5 is a perspective view of a state in which the dust container 54 is removed from the stand upper portion 51. FIG. The clamp 56 provided on the dust container 54 is provided with a projection 56a projecting in a cylindrical shape. back to When the dust container 54 is attached to the upper stand 51 , the projection 56 a of the clamp 56 comes into contact with the inner wall surface of the upper stand 51 and the clamp 56 tilts inside the dust container 54 . Then, when the dust container 54 is pushed upward, the hole 51b provided in the side surface of the upper stand 51 and the projection 56a are fitted, and the dust container 54 is fixed to the upper stand 51. As shown in FIG.

FIG. 6 is a perspective view of the dust container 54, showing a state in which the plastic bag 70 is attached to the dust container 54. As shown in FIG. When the dust container 54 with the plastic bag 70 attached to the dust container 54 is inserted from the bottom side of the upper stand 51 , the plastic bag 70 is fixed inside the upper stand 51 .

FIG. 7 is a cross-sectional view taken along the line AA shown in FIG. 1 when the vacuum cleaner 1 is placed on the charging base 5 after cleaning. When the vacuum cleaner 1 is placed on the charging base 5, the dust disposal button 21 provided in the dust case 20 of the vacuum cleaner main body 2 is pushed by the protrusion 60 provided on the upper surface of the stand upper portion 51, and the bottom lid 25 opens within the stand upper portion 51. . At this time, although the details of the structure are omitted, the dust 80 inside the dust case 20 is pushed downward by the dust discharge mechanism 22 provided in the dust case 20 and the dust 80 is discharged into the dust container 54 . As described above, the dust container 54 is fitted with the plastic bag 70 , so the dust 80 is contained within the plastic bag 70 . In the conventional cyclone vacuum cleaner, when the dust in the dust case 20 is discharged into, for example, a dustbin, the dust may rise up. Since the cover 51a is covered, it is possible to prevent dust from rising up after the garbage is thrown away. In addition, the dust that rises inside the dust container 54 and the upper part of the stand 51 settles over time, so that the dust will not rise when the vacuum cleaner 1 is removed for the next cleaning. In addition, when the vacuum cleaner 1 is removed, the inside of the dust container 54 can be seen through the opening 51a on the upper surface of the stand upper portion 51, so it is easy to visually recognize how much dust has accumulated.

Next, a description will be given of the hole 59 provided in the base portion 53 of the charging stand 5 described above for sucking out the air inside the charging stand 5 (see FIGS. 2 and 3). 8 is an external perspective view showing a state in which the suction body 4 of the vacuum cleaner 1 is placed on the base portion 53 facing the charging base 5. FIG. FIG. 9 shows a side central cross-sectional view of the charging stand 5, and the arrows shown in the drawing indicate the flow of air. 9 shows a state in which a vinyl bag 70 is attached to the dust container 54. As shown in FIG.

When the suction body 4 is placed facing the charging base 5, the movable portion 4a of the suction body 4 is fitted into the concave portion 58 provided in the base portion 53. Therefore, the bottom surface of the suction body 4 and the hole 59 in the base portion 53 are provided. Minimize gaps between surfaces. This is to increase the amount of air sucked from the hole 59 when the operation switch 11 of the cleaner main body 2 is depressed in the state shown in FIG.

As shown in FIG. 8, when the operation switch 11 of the main body 2 of the vacuum cleaner is pressed while the suction member 4 is placed on the base portion 53, the hole 59 provided in the base portion 53 in the direction of the arrow shown in FIG. The air inside the charging base 5 is sucked out from. Since the plastic bag 70 is attached, the sucked air flows from the outside of the plastic bag 70 to the inside of the dust container 54, through the holes 55 provided in the dust container 54, and from the outside of the dust container 54 to the inside of the lower stand 52 and the base. 53 is reached. The air inside the dust container 54 and the outside of the plastic bag 70 is sucked out, so that the plastic bag 70 sticks to the inner wall surface of the dust container 54, and the plastic bag 70 inside the dust container 54 is pushed inside the dust container 54. It can be spread out into a shape. As a result, the plastic bag 70 does not become an obstacle when the dust is discharged, and the dust can be dropped to the bottom of the dust container 54, so that the plastic bag 70 can be effectively used. In this embodiment, the hole 55 is provided in the dust container 54 and the hole 59 is provided in the base portion. When attaching the plastic bag 70 to the dust container 54, if the user spreads the plastic bag 70 by hand, there is no need to form a hole.

As described above, by providing the dust container 54 on the charging stand 5, it is possible to suppress the dust from rising up when the dust is thrown away. In addition, since the charging base 5 also has a function of charging the cleaner main body 2, the electric vacuum cleaner 1 is placed on the charging base 5 each time the vacuum cleaner 1 is used. Therefore, since the dust inside the dust case 20 is collected each time the dust case 20 is cleaned (each time the battery is charged), it is possible to prevent the dust from adhering to the inner cylinder 30 and the entanglement of long hair and the like due to excessive accumulation of dust. The maintenance frequency can be greatly reduced.

A second embodiment according to the present invention will be described below with reference to FIG. FIG. 10 is a cross-sectional view taken along line AA shown in FIG. 1, and arrows (solid line and broken line arrows) shown in the drawing indicate the flow of air inside the charging base 5. As shown in FIG.

The charging stand 5 of Example 2 includes an electric blower 91 and a paper pack 90 inside. As in the first embodiment, when the vacuum cleaner 1 is placed on the charging base 5 after cleaning, the bottom cover 25 of the dust case 20 provided in the cleaner body 2 is opened to discharge the sucked dust. A feature of the second embodiment is that the electric blower 90 is driven when the vacuum cleaner 1 is placed on the charging stand, and the dust 80 in the dust case 20 is forcibly collected in the paper pack 90 . The charging stand 5 is composed of a stand portion 50 and a base portion 53, and the stand portion 50 is divided into three compartments as shown in the figure.

The first room is a stand upper part 51, the second room is a dust collection case 61 to which a paper pack 90 can be attached, and the third room is a motor case 71 equipped with an electric blower 91. These spaces (chambers) communicate with each other. ing.

The stand upper portion 51 has a switch (tact switch or the like) for driving the electric blower 91 (not shown) on the upper surface of the stand upper portion 51 of the charging base 5 . The switch is located at a position where it can be pressed by the dust case 20 or the like when the cleaner body 2 is placed.

Also, the upper part of the stand 51 should be higher than the trajectory along which the bottom cover 25 of the dust case 20 rotates, and the space is gradually narrowed in a conical shape toward the hole communicating with the second room (the entrance of the paper pack 90). , so that the dust can be smoothly accommodated in the paper pack 90.例文帳に追加

The dust collection case 61 is a room in which the paper pack 90 is loaded as described above. Inside the dust collection case 61, a fixing portion (not shown) for fixing the entrance of the paper pack 90 is provided on the upper surface, and a plurality of holes communicating with the third chamber are provided on the lower surface. The holes on the bottom surface may be of a grid shape or a mesh as long as the paper pack 90 does not fall, and it is desirable to make the opening area as large as possible.

A lid (not shown) for attaching and detaching the paper pack 90 is provided on the side surface of the dust collection case 61 . It is desirable that the lid has a structure that can be opened and closed by being fixed with a hinge or the like, and that it maintains airtightness with packing or the like in the closed state and has a locking mechanism. In general, the charging base 5 is often installed near the wall, so the cover is provided on the side of the charging base 5, but the cover is not limited to this, and may be provided on the back.

The motor case 71 communicates with the lower surface of the dust collection case 61, and internally supports and fixes the electric blower 91 in anti-vibration manner. In this embodiment, a bell-mouth flow path is provided from the lower surface of the dust collection case 61 to the entrance of the electric blower 91 , but the electric blower 91 may be lifted to shorten the distance from the dust collection case 61 . In this embodiment, the dust collection case 61 is provided upward so that the user does not have to bend over when attaching or detaching the paper pack 90 in consideration of usability. The height may be reduced.

The motor case 71 communicates with the base portion 53 , and the base portion 53 includes a drive circuit board 93 for the electric blower 91 and an exhaust hole 92 . The exhaust hole 92 may be provided in the motor case 71 as long as it is on the exhaust side of the electric blower 91 .

When the electric vacuum cleaner 1 is placed on the charging stand 5 having such a structure, the switch on the upper part of the stand 31 is pressed almost simultaneously with the opening of the bottom cover 25 of the dust case 20 of the cleaner body 2, and the electric blower 91 is driven. . The suction force of the electric blower 91 draws outside air through the suction port 4 and the exhaust port (not shown) of the cleaner body 2 . Intake air from the mouthpiece 4 passes through the dust case 20 via the extension pipe 3 and reaches the paper pack 90 . Intake air from the exhaust port of the cleaner main body 2 reaches the paper pack 90 through the exhaust port, the electric blower (not shown), the filter (not shown), and the interior of the inner cylinder 30 . Therefore, not only the dust 80 but also the dust adhered to the inner wall of the dust case 20 due to static electricity is forcibly contained in the paper pack 90 . It is desirable that the driving of the electric blower 91 at this time is automatically stopped after a predetermined period of time has elapsed.

By forcibly sucking the dust in the dust case 20 with the electric blower 91 as in this embodiment, the dust that rises up when throwing away the dust can be efficiently sucked, and the dust that has adhered to the inner wall surface of the dust case 20 due to static electricity or the like. can also be collected, the inside of the dust case 20 can be kept clean. In addition, since the charging base 5 also has a function of charging the cleaner main body 2, the electric vacuum cleaner 1 is placed on the charging base 5 each time the vacuum cleaner 1 is used. Therefore, since the dust inside the dust case 20 is collected each time the dust case 20 is cleaned (each time the battery is charged), it is possible to prevent the dust from adhering to the inner cylinder 30 and the entanglement of long hair and the like due to excessive accumulation of dust. The maintenance frequency can be greatly reduced.

1 Electric Vacuum Cleaner 2 Vacuum Cleaner Body 3 Extension Pipe 4 Mouthpiece 5 Charging Base 20 Dust Case 21 Dust Disposal Button 22 Dust Discharge Mechanism 23 Flange Part 25 Bottom Lid 30 Inner Tube 50 Stand Part 51 Stand Upper Part 51a Opening Part 52 Stand Lower Part 53 Base Part 54 Dust collection container 55, 59 Hole 56 Clamp 56a Projection 60 Protrusion 70 Plastic bag 80 Dust 90 Paper pack 91 Electric blower 92 Exhaust hole

Claims (6)

A vacuum cleaner comprising an electric blower, a storage battery, a dust collection part, and a suction body, and a charging stand on which the vacuum cleaner is installed, wherein the charging stand has an opening on the outer surface and a dust container inside, the dust container. communicates with the opening, the dust collection part has an opening at one end, and the opening has an openable lid, and when the vacuum cleaner is installed on the charging stand, the lid is opened so that the opening surface and the opening communicate with each other, and dust in the dust collecting portion is discharged into the dust container. A vacuum cleaner comprising a vacuum cleaner main body having an electric blower, a dust collection part, and a storage battery, an extension pipe connected to the vacuum cleaner main body, and a suction body connected to the extension pipe, and the vacuum cleaner In the charging stand to be installed, the charging stand has an opening at the top and a dust container inside, the dust container communicates with the opening, the dust collection part has an opening at the bottom, and the opening has a An openable and closable cover is provided, and an opening of a connecting portion that connects the cleaner body and the extension pipe is substantially flush with the opening surface of the dust collecting portion, and the vacuum cleaner body is connected to the electric vacuum cleaner. A vacuum cleaner characterized in that, when the electric vacuum cleaner is installed on the charging base, the lid is opened so that the opening surface and the opening are communicated with each other, and dust in the dust collecting section is discharged into the dust container. 3. The electric vacuum cleaner according to claim 1, wherein the charging base is detachably connected to an upper charging base, a lower charging base and a pedestal, the upper charging base communicates with the lower charging base, and the A vacuum cleaner, wherein a lower part of the charging base communicates with the pedestal part, and the dust container is included in the upper part of the charging base. 4. The vacuum cleaner according to claim 3, wherein said dust container is provided with a plurality of holes. 5. The vacuum cleaner according to claim 4, wherein said base has a plurality of holes communicating with said holes. 5. The electric vacuum cleaner according to claim 4, wherein a dust bag is provided in air communication with the dust container, a second electric blower is provided below the charging base, and an exhaust port is provided on the base. A vacuum cleaner.

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