JP3213603B2 - Electric vacuum cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner having an improved attachment mounting structure.

[0002]

2. Description of the Related Art As one of attachments of a vacuum cleaner, there is an attachment for cleaning a corner of a room, a crosspiece of a shoji, and the like. Conventionally, as shown in FIG. 5 (A), this attachment is normally stored in a storage section formed in the internal space of the vacuum cleaner main body 1 and is taken out of the storage section of the vacuum cleaner main body 1 only when used. As shown in FIG. 5 (B), the attachment 2 is connected to the connection part of the hose grip part 31 at the end of the hose 3 or the connection parts 41 and 42 of the pipe 4.
It was attached to.

[0003] For this reason, the vacuum cleaner main body 1 requires a storage section for an attachment, and the vacuum cleaner main body 1 becomes large, and must be put out or closed every time cleaning is performed, which makes the handling complicated. And the like.

[0004]

Therefore, recently, Japanese Utility Model Application Laid-Open No. 2-25961 (A47L 9/02) and Japanese Utility Model Application Laid-Open No. 1-118.
No. 755 (A47L 9/02), in which the attachment is attached to the connection part of the hose grip part or the connection part of the pipe, and the pipe etc. to be connected further is connected and detached. Has been proposed.

However, according to the former prior art, since the attachment is formed in a ring shape so as to cover substantially the entire circumference of the connecting portion of the pipe, the diameter of the attachment portion becomes large over the entire circumference, and the appearance is poor. At the same time, there is a problem that a dirty attachment can be seen by a user, giving the user discomfort.

In the latter prior art, an attachment is provided at a connection portion of a hose grip portion, and the attachment is inserted into a pipe. Therefore, it is necessary to increase the diameter of a portion of the pipe where the attachment is inserted. In addition, there was a problem that the appearance deteriorated, and a part of the pipe became thick and it was difficult to grasp the pipe.

[0007] In view of the above, it is an object of the present invention to provide an electric vacuum cleaner capable of improving attachment / detachment workability and reducing user discomfort.

[0008]

SUMMARY OF THE INVENTION The present invention provides a cleaner body, a hose having one end connected to the cleaner body and having a hose grip at the other end, and one end detachably connected to the hose grip. And a floor suction device detachably connected to a connection portion at the other end of the pipe,
A pivot portion is formed at the connection portion of the hose grip portion or the connection portion of the pipe, and an attachment is pivotally pivotally supported on the pivot portion, and the attachment has one end face connected to the connection portion of the hose grip portion or the pipe. A position where it abuts on the connection portion and the other end extends in a direction away from the hose grip portion or the pipe, and a position where the connection portion of the hose grip portion or the lower surface side of the connection portion of the pipe is turned. Is formed so as to be rotatable.

When the attachment is turned to the lower surface side of the connection part of the hose grip part or the connection part of the pipe, one end of the attachment is connected to the connection part of the hose grip part or the tip of the connection part of the pipe. It is preferable to form so as not to protrude more.

[0010] The attachment is substantially U-shaped substantially along the outer shape of the connection portion of the hose grip portion or the connection portion of the pipe.
Preferably, it is formed in the shape of a letter, and is detachably attached to the connection part of the hose grip part or the connection part of the pipe by its own elasticity.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1 to 4 are explanatory views of a main part of an embodiment of a vacuum cleaner according to the present invention. FIG. 1 is an explanatory view of a hose grip portion to which a brush attachment according to the present invention is attached. 1A is a side view of a hose grip portion, and FIG. 1B is a view of a connection portion of the hose grip portion in FIG. FIG. 2 is a side sectional view of FIG. FIG. 3 is an explanatory view showing a state in which the brush attachment is retracted from the connection path in order to connect the pipe to the hose grip portion. FIG. 3A is a side view of the connection portion of the hose grip portion, and FIG. FIG. 3 (A) is a view of the connecting portion of the hose grip portion as viewed from the direction indicated by the arrow B. FIG. FIG. 4 is an explanatory view of the brush attachment. FIG. 4 (A) is a side view of the brush attachment, FIG. 4 (B) is a view taken in the direction of arrow C, FIG. 4 (C) is a sectional view taken along the line DD, FIG. ) Is a view taken in the direction of an arrow E, and FIG. 4E is a sectional view taken along the line FF.

As can be seen from these figures, the electric vacuum cleaner according to the present embodiment has two ends of a connecting portion 32 of a hose grip portion 31 formed at the end of the hose 3.
A protrusion 5 serving as a pivot portion is formed, and the brush attachment 6 according to the present embodiment, which rotates from the state of FIG. 1 to the state of FIG. The other configuration of the hose grip part 31 is the same as that of the conventional one, and the upper part thereof is used for adjusting the suction force of a blower for sucking dust and for turning on and off the rotary brush driving motor of the floor suction tool. A lever mechanism 3 for detachably engaging a pipe connected to the distal end portion is provided on the operation portion 33 and the upper surface side of the distal end portion.
4. A joint spring part 35 having a female structure is provided as a power supply connection terminal.

The brush attachment 6 has a brush 62 implanted on one U-shaped surface of a U-shaped frame 61 as shown in FIG. 4, and a hose 62 on the other U-shaped surface as shown in FIG. A cover plate 63 that covers the joint spring portion 35 formed on the distal end surface of the grip portion 31 is provided. As is clear from FIGS. 4C to 4E, the cover plate 63 is formed at the closed end side of the U-shaped frame 61 at a position recessed from the U-shaped end face to the back side. The cover plate 63 has a projection 6 fitted to the joint spring portion 35.
4 are formed. An elongated hole 65 into which the projection 5 is fitted is formed on a side surface on the open end side of the U-shaped frame 61.

The attachment of the brush attachment 6 to the distal end of the hose grip 31 can be achieved by merely pushing the open end of the U-shaped frame 61 slightly and fitting the projection 5 into the elongated hole 65. It can be easily removed. When using the brush attachment 6,
In a state in which the elongated hole 65 is fitted to the projection 5, as shown in FIG. 2, the surface of the brush attachment 6 on which the coating plate 63 is formed is in contact with the distal end of the connection portion, and the brush 62 is implanted. Is turned toward the pipe. Then, the closed end side of the brush attachment 6 is raised above the hose grip portion 31, and the projection 64 is moved to the joint spring portion 35.
To fit. At this time, the protrusion 64 can be fitted and inserted into the joint spring portion 35 without difficulty by the elongated hole 65. If the brush attachment 6 is used in this state, the projection 64 and the joint spring 3
By the fitting with 5, the hose grip portion 31 is securely fixed to the connection portion, and there is no possibility that the hose grip portion 31 comes off during use. In addition, since the dust sucked from the brush attachment 6 does not enter the joint spring portion 35, there is no possibility that the power supply connection portion may cause a contact failure.

On the other hand, when the pipe is connected to the connection portion of the hose grip portion 31 without using the brush attachment 6, the brush attachment 6 is rotated to close the closed end side of the brush attachment 6 as shown in FIG. The hose grip 31 is moved below. In this state, FIG.
A pipe 41 is attached as shown in FIG.
Is fitted to the joint spring portion 35, and a floor suction device is attached to the connection portion of the pipe 41 for cleaning. As described above, the brush attachment 6 according to the present embodiment can be cleaned by the floor suction tool while being attached to the hose grip section 31, and the brush attachment 6 is attached to or detached from the hose grip section 31 every time cleaning is performed by the floor suction tool. There is no need to do anything.

In the above-described embodiment, an example has been described in which the brush attachment 6 is attached to the connection portion of the hose grip portion 31. However, the attachment destination of the brush attachment 6 is not limited to the connection portion of the hose grip portion 31. , Can be similarly attached to the connection portion of the pipe.

[0017]

As described above, according to the structure of the first aspect of the present invention, the attachment can always be kept attached to the hose or pipe connection part, and there is no need to end the attachment. This eliminates the need for a storage space, makes it possible to reduce the size of the vacuum cleaner main body, and eliminates the trouble of inserting and removing the attachment, thereby improving the usability. Also, in the use condition of the attachment,
One end face of the attachment comes into contact with the connection portion of the hose grip portion or the connection portion of the pipe, and the rotation of the attachment is regulated. Therefore, the attachment does not rotate carelessly and the usability can be improved. And so on.

According to the second aspect of the present invention, the attachment is formed such that one end of the attachment does not protrude from the connection portion of the hose grip portion or the connection portion of the pipe when not in use. At the time of cleaning using the connection part of the hose grip part or the connection part of the pipe, the attachment does not become a hindrance, and the effect of reducing the risk of damaging the place to be cleaned by the attachment can be reduced. Play.

Further, according to the configuration of the third aspect of the present invention, there is an effect that the attachment can be easily replaced or the like.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a hose grip portion to which a brush attachment according to an embodiment of the present application is attached.

FIG. 2 is a cross-sectional view of FIG.

FIG. 3 is an explanatory view showing a state in which a brush attachment is retracted from a connection path in order to connect a pipe of a tip part to a hose grip portion.

FIG. 4 is an explanatory diagram of a brush attachment.

FIG. 5 is an explanatory view of a conventional vacuum cleaner.

[Explanation of symbols]

 Reference Signs List 5 Projection (pivot portion) 6 Brush attachment 61 U-shaped frame 62 Brush 63 Coating plate 64 Projection 65 Slot

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) A47L 9/02 A47L 9/04 A47L 9/24

Claims (3)

(57) [Claims] 1. A cleaner body and one end connected to the cleaner body.
A hose having a hose grip portion at the other end;
One end is detachably connected to the connection of the hose grip.
Pipe and a connection portion detachably connected to a connection portion at the other end of the pipe.
A floor suction device to be connected to the hose grip portion.
A pivot is formed at the connection of the section or the pipe, and the pivot is
The attachment is pivotably supported pivotally, and the attachment
With one end face connected to the hose grip
Abuts the hose connection and the other end of the hose grip.
Position extending away from the pipe or pipe
And the connection of the hose grip or the connection of the pipe
A vacuum cleaner formed so as to be rotatable between a position turned to the lower surface side of the part . 2. The hose grip according to claim 2 , wherein
To the underside of the pipe connection or pipe connection.
With the one end of the attachment
Protrudes from the end of the grip connection or pipe connection
The vacuum cleaner according to claim 1, wherein the vacuum cleaner is formed so as not to be formed . 3. The hose grip according to claim 1 , wherein
Approximately along the outer shape of the connection of the pipe or the connection of the pipe
The hose grip is formed in a U-shape
The vacuum cleaner according to claim 1, wherein the vacuum cleaner is detachable from a connection part of the section or a connection part of the pipe .