JP2020130915A - Suction attachment and vacuum cleaner using the same - Google Patents

Abstract

To provide a suction attachment capable of preventing dust leakage and invasion of foreign substance such as water from a suction port when attaching/detaching a suction port part, and to provide a vacuum cleaner using the same.SOLUTION: A suction attachment includes: a connection pipe part 5 one end side of which can be connected to a vacuum body 1; a suction port part 3 detachably connected to the other end side of the connection pipe part 5; and a connection pipe closed part 4 detachably connected to the other end side of the connection pipe part 5 and closing the opening part on the other side of the connection pipe part 5. The connection pipe closed part 4 is attachable/detachable to/from the connection pipe part 5 regardless of the attachment/detachment condition of the suction port 3 to/from the connection pipe part 5. The suction attachment and a vacuum cleaner using the suction attachment enable prevention of dust leakage from a suction port 7 or invasion of foreign substance such as water from the suction port 7 at the time of attachment/detachment of the suction port part 3.SELECTED DRAWING: Figure 2

Description

The present invention relates to a suction attachment and a vacuum cleaner using the same.

Some conventional general vacuum cleaners are provided with a suction port having a brush at the suction port of the suction attachment and a connecting part for connecting to a hose or the like connected to the main body of the vacuum cleaner. For suction attachments whose suction port brush has worn out due to use, it is necessary to replace the bristle brush. However, the structure of the connecting portion of the suction attachment is complicated, and there is a problem that it becomes difficult for the user to replace the bristle brush of the suction port by himself / herself. In order to solve such a problem, when the bristle brush is worn, the suction port is configured so that the user can easily replace it, and the manufacturer can be asked to replace it, or the suction attachment can be replaced. A technique for providing a suction attachment that does not cause waste such as replacement by purchase of the whole is disclosed (for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2012-376

However, in the technique described in Patent Document 1 described above, when the suction port portion of the suction attachment is attached or detached, the suction port is in an open state, so that dust or the like inside the vacuum cleaner leaks from the suction port to the outside. , Has problems such as unsanitary conditions. In addition, there is a problem that foreign matter such as water may enter the inside of the vacuum cleaner from the suction port.

The present invention is for solving such a problem, and when attaching and detaching the suction port portion, dust leakage inside the vacuum cleaner from the suction port and electric cleaning of foreign matter such as water from the suction port It is an object of the present invention to provide a suction attachment capable of preventing intrusion into the machine and an electric vacuum cleaner using the suction attachment.

In order to solve the above-mentioned conventional problems, a connecting pipe portion whose one end side can be connected to the vacuum cleaner body, a suction port portion which is detachably connected to the other end side of the connecting pipe portion, and the other end side of the connecting pipe portion. It has a connecting pipe closing portion that is detachably connected to and closes the opening on the other end side of the connecting pipe portion, and the connecting pipe closing portion is described above regardless of the attachment / detachment state of the suction port portion to the connecting pipe portion. Provided is a suction attachment that can be attached to and detached from the connecting pipe portion, and a vacuum cleaner using the same.

With the above configuration, when attaching / detaching the suction port, a suction attachment that makes it possible to prevent dust leakage inside the vacuum cleaner from the suction port and foreign matter such as water from the suction port from entering the inside of the vacuum cleaner. And it is possible to provide a vacuum cleaner using this.

In the suction attachment of the present invention and the vacuum cleaner using the suction attachment, when the suction port is attached / detached, dust leaks inside the vacuum cleaner from the suction port and the inside of the vacuum cleaner for foreign matter such as water from the suction port. It is possible to prevent invasion into.

External perspective view of the vacuum cleaner according to the embodiment of the present invention External perspective view of the suction attachment according to the embodiment of the present invention as viewed from above. The same, exploded perspective view of the suction attachment The same, an exploded perspective view showing the connection portion between the connecting pipe portion of the suction attachment and the connecting pipe closing portion. The same, an external perspective view seen from above with the suction port connected to the connecting pipe of the suction attachment. Similarly, an external perspective view of the suction attachment with the connecting pipe closing portion connected to the connecting pipe portion as viewed from above.

The suction attachment of the first invention has a connecting pipe portion whose one end side can be connected to the vacuum cleaner body, a suction port portion which is detachably connected to the other end side of the connecting pipe portion, and the other end side of the connecting pipe portion. It has a connecting pipe closing portion that is detachably connected and closes the opening on the other end side of the connecting pipe portion, and the connecting pipe closing portion is the connection regardless of the attachment / detachment state of the suction port portion to the connecting pipe portion. By making it removable to the pipe part, when attaching and detaching the suction port part, it is possible to prevent dust leakage inside the vacuum cleaner from the suction port and foreign matter such as water from the suction port from entering the inside of the vacuum cleaner. Is possible. Here, regardless of the state of attachment / detachment of the suction port portion to the connecting pipe portion, the case where the suction port portion is connected, the suction port portion is not connected, or the suction port portion is attached / detached. Both are included.

In the second invention, in particular, the suction port portion of the first invention is connected to the outer surface of the connecting pipe portion, and the connecting pipe closing portion is connected to the inner surface of the connecting pipe portion. When attaching / detaching the mouth portion, it is possible to prevent dust leakage inside the vacuum cleaner from the suction port and foreign matter such as water from the suction port from entering the inside of the vacuum cleaner.

In the third invention, in particular, the connecting pipe closing portion of the first invention or the second invention can be easily connected by the user by providing a take-out knob portion on the side opposite to the connecting side to the connecting pipe portion. The closing portion 4 can be attached and detached.

The fourth invention is, in particular, by using a vacuum cleaner provided with the suction attachment of any one of the first to third inventions, when the suction port portion of the suction attachment is attached and detached, electricity from the suction port is supplied. It is possible to prevent dust leakage inside the vacuum cleaner and foreign matter such as water from the suction port from entering the inside of the vacuum cleaner.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The present invention is not limited to this embodiment.

(Embodiment)
Hereinafter, embodiments will be described with reference to FIGS. 1 to 6.

FIG. 1 shows an external perspective view of the vacuum cleaner according to the embodiment of the present invention. In FIG. 1, the vacuum cleaner main body 1 includes an electric blower (not shown) and a dust collector (not shown) that generate suction force. One end of the suction attachment 2 is connected to the vacuum cleaner main body 1 and communicates with the dust collecting portion.

FIG. 2 shows an external perspective view of the suction attachment according to the embodiment of the present invention as viewed from above. In the suction attachment 2, a suction port portion 3 which is a portion for sucking dust from the suction port 7 by bringing it closer to the surface to be cleaned, a suction port portion 3 and a connecting pipe closing portion 4 are attached to one end side, and the other end side is a vacuum cleaner. Close the suction port 7 (see FIG. 3), which is the opening on the side opposite to the connection side of the connecting pipe portion 5 connected to the main body 1 and the vacuum cleaner main body 1 of the connecting pipe portion 5, and from the inside of the vacuum cleaner. It has a connecting pipe closing portion 4 for preventing dust leakage to the outside and foreign matter such as water from the outside into the inside of the vacuum cleaner. The connecting pipe portion 5 has a pipe portion 6 to which the suction port portion 3 and the connecting pipe closing portion 4 are attached to one end side, and a connecting portion 9 having one end side connected to the vacuum cleaner main body 1.

Here, since the outer diameter of the connecting pipe closing portion 4 is smaller than the inner diameter of the opening edge 15 of the suction port portion 3, even when the suction port portion 3 is connected to the pipe portion 6 of the connecting pipe portion 5, the connecting pipe closing portion 4 is closed. The portion 4 can be attached to and detached from the pipe portion 6.

FIG. 3 shows an exploded perspective view of the suction attachment according to the embodiment of the present invention. In FIG. 3, the suction port portion 3 includes a fitting portion 14 with the outer peripheral surface of the pipe portion 6 and a circular opening edge 15. The opening surrounded by the opening edge 15 is an opening for taking in dust from the surface to be cleaned, and a bristle brush 16 for scraping out the dust on the surface to be cleaned and preventing damage to furniture or the like is planted. There is. The bristle brush 16 is made of a flexible material such as nylon thread or horsehair.

The pipe portion 6 includes a connecting portion 9 connected to the vacuum cleaner main body 1, a fitting portion 20 for fitting the suction port portion 3, and a pipe opening end 22. The fitting portion 20 is provided with protrusions 21 (four locations in the embodiment of the present invention), and when the inner peripheral surface of the suction port portion 3 enters the fitting portion 20 of the pipe portion 6, the protrusions 21 are provided. It is configured to be held by overcoming 21 and being press-fitted.

FIG. 4 is an exploded perspective view showing a connecting portion between the connecting pipe portion 5 and the connecting pipe closing portion 4 of the suction attachment according to the embodiment of the present invention. In FIG. 4, the connecting pipe closing portion 4 is formed on the side opposite to the connecting side to the connecting pipe portion 5 and the fitting portion 17 with the pipe portion 6, and the central portion has a substantially rectangular shape and the tip portion has a substantially arc shape. It has a take-out knob 18 (see FIG. 6).

The fitting portion 17 has a side wall 17a that fits with the inner peripheral surface of the pipe portion 6, and when the side wall 17a enters the inner peripheral surface of the pipe portion 6 while pressing, the side wall 17a is subjected to its own restoring force. It spreads in the outer peripheral direction and fits into the inner peripheral surface of the pipe portion 6.

Since the side wall 17a is formed with a notch portion 17b, the side wall 17a is easily elastically deformed when inserted into the pipe portion 6, and is easily inserted into the inner peripheral surface of the pipe portion 6.

Further, the take-out knob portion 18 is located outside the opening edge 15 of the connecting pipe closing portion 4 (opposite to the connecting side to the connecting pipe portion 5) in a state where the connecting pipe closing portion 4 is connected to the connecting pipe portion 5. It is extended so that the user can easily attach / detach the connecting pipe closing portion 4.

As described above, when the suction port portion 3 and the connecting pipe closing portion 4 are connected to the connecting pipe portion 5, the outer diameter of the connecting pipe closing portion 4 is larger than the inner diameter of the opening edge 15 of the suction port portion 3. Due to its small size, the connecting pipe closing portion 4 can be attached to and detached from the pipe portion 6 even when the suction port portion 3 is connected to the pipe portion 6 of the connecting pipe portion 5.

FIG. 5 shows an external perspective view of the suction attachment 2 according to the embodiment of the present invention as viewed from above with the suction port 3 connected to the connecting pipe portion 5. In FIG. 5, the suction port portion 3 is connected to the connecting pipe portion 5 of the suction attachment 2, and the connecting portion 9 is connected to the vacuum cleaner main body 1 (see FIG. 1), whereby the electric blower of the vacuum cleaner main body 1 (shown in FIG. As the suction force is generated, the suction port 3 is brought closer to the surface to be cleaned to suck in dust.

FIG. 6 shows an external perspective view of the suction attachment 2 according to the embodiment of the present invention as viewed from above with the connecting pipe closing portion 4 connected to the connecting pipe portion 5. In FIG. 6, the connecting pipe closing portion 4 is connected to the connecting pipe portion 5 of the suction attachment 2 by fitting, and when the suction port portion 3 is attached or detached, dust leaks inside the vacuum cleaner from the suction port 7 or the like. , It is possible to prevent foreign matter such as water from entering the inside of the vacuum cleaner from the suction port 7.

In the embodiment of the present invention, one end side of the suction attachment 2 is directly connected to the vacuum cleaner main body 1, but some are connected via a hose, an extension pipe, or the like.

Further, the connection pipe closing portion 4 can be attached to and detached from the connecting pipe portion 5 regardless of the attachment / detachment state of the suction port portion 3 to the connecting pipe portion 5. When the suction port portion 3 is connected, the suction port portion 3 The connecting pipe closing portion 4 can be attached to and detached from the connecting pipe portion 5 in a state including both cases where the suction port portion 3 is attached and detached when is not connected.

Further, in the embodiment of the present invention, the pipe portion 6 has a cylindrical shape, and the connecting pipe closing portion 4 is connected by fitting with the inner peripheral surface of the pipe portion 6, but the pipe portion 6 is connected. The connecting pipe closing portion 4 may be connected by fitting with the inner side surface of the pipe portion 6 in a square tubular shape or the like. Further, the connection between the connecting pipe closing portion 4 and the pipe portion 6 may be made by a magnet or the like, or may be connected by screwing.

Further, in the embodiment of the present invention, the pipe portion 6 has a cylindrical shape, and the suction port portion 3 is connected by fitting with the outer peripheral surface of the pipe portion 6, but the pipe portion 6 is a square cylinder. The suction port portion 3 may be connected by fitting with the outer surface of the pipe portion 6 depending on the shape or the like. Further, the pipe portion 6 and the suction port portion 3 may be connected by a magnet or the like, or may be connected by screwing. Further, the connection between the pipe portion 6 and the suction port portion 3 may be the connection at the pipe opening end 22.

Further, in the embodiment of the present invention, the connecting pipe closing portion 4 is connected to the inner surface of the pipe portion 6, and the suction port portion 3 is connected to the outer surface of the pipe portion 6, but the pipe portion 6 The outer diameter of the connecting portion 9 is larger than that near the pipe opening end 22, or the outer diameter of the connecting pipe closing portion 4 of the connecting portion between the connecting pipe closing portion 4 and the pipe portion 6 is the suction port portion 3. If it is smaller than the inner diameter of the pipe, the connecting pipe closing portion 4 is connected to the outer surface of the pipe portion 6 near the pipe opening end 22, and the suction port portion 3 is connected to the connecting portion 9 side from the vicinity of the pipe opening end 22. It may be connected to the outer surface of 6.

Further, in the embodiment of the present invention, the connecting pipe closing portion 4 is connected to the inner surface of the pipe portion 6, and the suction port portion 3 is connected to the outer surface of the pipe portion 6, but the pipe portion 6 The inner diameter of the suction port 3 is smaller on the connection portion 9 side than the vicinity of the pipe opening end 22, or the inner diameter of the suction port 3 at the connection portion between the suction port 3 and the pipe portion 6 is larger than the outer diameter of the suction port 3. If it is small, the suction port 3 is connected to the inner surface of the pipe 6 near the pipe opening end 22, and the connecting pipe closing portion 4 is inside the pipe 6 on the connecting portion 9 side from the vicinity of the pipe opening end 22. It may be connected to the side surface.

Further, in the embodiment of the present invention, the suction port portion 3 is provided with a bristle brush 16 but only the opening edge 15 or a member having elasticity may be provided, and the opening edge 15 is a circle. In addition to the shape, it may be square or the like.

As described above, in the present embodiment, the suction attachment 2 is suckable because the connecting pipe closing portion 4 can be attached to and detached from the connecting pipe portion 5 regardless of the attachment / detachment state of the suction port portion 3 to the connecting pipe portion 5. When attaching and detaching the mouth portion 3, it is possible to prevent dust leakage from the suction port 7 and foreign matter such as water from entering.

Further, the connecting pipe closing portion 4 of the present embodiment is provided with a take-out knob on the side opposite to the connecting side to the connecting pipe portion 5, so that the user can easily attach / detach the connecting pipe closing portion 4. There is.

The present invention is not limited to the contents of the above embodiments, and various modifications can be made within the scope of the claims.

In the suction attachment according to the present invention and the vacuum cleaner using the suction attachment, when the suction port is attached / detached, dust leaks from the suction port inside the vacuum cleaner, water from the suction port to the inside of the vacuum cleaner, etc. It is possible to prevent the invasion of foreign matter, and it can be applied to various vacuum cleaners for both home and business use.

1 Vacuum cleaner body 2 Suction attachment 3 Suction port 4 Connecting pipe closing part 5 Connecting pipe part 6 Pipe part 7 Suction port 9 Connection part 14, 17, 20 Fitting part 15 Opening edge 16 Hair brush 17a Side wall 17b Notch part 18 Take-out knob 21 Protrusion 22 Pipe open end

Claims (4)

A connecting pipe part that can be connected to the vacuum cleaner body on one end side,
A suction port portion that is detachably connected to the other end side of the connecting pipe portion and
It has a connecting pipe closing portion that is detachably connected to the other end side of the connecting pipe portion and closes an opening on the other end side of the connecting pipe portion.
The connecting pipe closing portion is a suction attachment that can be attached to and detached from the connecting pipe portion regardless of the attachment / detachment state of the suction port portion to the connecting pipe portion. The suction attachment according to claim 1, wherein the suction port portion is connected to the outer surface of the connecting pipe portion, and the connecting pipe closing portion is connected to the inner surface surface of the connecting pipe portion. The connecting pipe closing portion is provided with a take-out knob portion on the side opposite to the connecting side to the connecting pipe portion.
The suction attachment according to any one of claims 1 and 2. A vacuum cleaner provided with the suction attachment according to any one of claims 1 to 3.