JP2000325277A - Vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a small article from being erroneously sucked and to visually recognizing that the small article is caught by means of a mesh body by attaching the mesh body for preventing erroneous sucking to the inside of a cleaner main body to an opening part of a sucking port attachment so as to be rotatable. SOLUTION: An engagement boss 6 for pivotally supporting a sucking port attachment 4 so as to be rotatable and engagement recessed parts 7 and 8 for positioning and holding the attachment 4 are formed in a pivotal support part. Then U-frame shape attachment frame body 9 is formed in the attachment 4 and a locking hole 10 to be fitted to the engagement boss 6 of the part 3 and engagement dowels 11 and 12 to be respectively fitted to the recessed parts 7 and 8 of the part 3 are formed in the inner peripheral part of the frame body 9. Besides, a mesh body 5 is provided with a shaft 16 where a lock hole 13 of the attachment 4 and a lock boss 15 are formed at both ends, a mesh part 17 for preventing the small article or the like from being sucked and a circular rib 18 formed in the circumference of the mesh part 17.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner, and more particularly to a structure of a suction port attachment.

[0002]

2. Description of the Related Art FIG. 9 is an explanatory view showing the use of a conventional suction port attachment disclosed in Japanese Patent Application Laid-Open No. 7-31566. (A) is a side view of the hand grip portion, (B)
FIG. 5 is a view of the hand grip connection portion as viewed from the direction of the arrow I. FIG. 10 is an explanatory view showing when the suction port attachment is not used, and FIG.
Is a side view thereof, and FIG.

In FIG. 1, reference numeral 1 denotes a cleaner body (not shown).
2 is a hand grip portion formed at the connection portion of the hose 1, 3 is a pivot portion provided on the outer periphery of the hand grip connection portion 2a, and 21 is an inlet attachment pivotally supported by the pivot portion 3. 9, and is detachably provided on the hand grip portion 2 while rotating from the state shown in FIG. 9 to the state shown in FIG. Reference numeral 22 denotes a brush planted on the suction port attachment 21.

The pivot portion 3 is provided with a locking boss 23 for pivotally supporting the suction port attachment 21, and a member for positioning and holding the suction port attachment 21 on both sides thereof in the state of FIG. 9 or FIG. A joint recess 24 is provided on both side surfaces of the hand grip connecting portion 2a. On the other hand, the suction port attachment 21 is provided with a locking hole 25 for fitting with the locking boss 23 on both sides of the open end side of the attachment frame 21a formed in a U-shaped frame, and an engagement recess 24 on the upper part. An engaging dowel 26 to be engaged is formed.

When the suction port attachment 21 is used, a tip part is removed from the hand grip 2 or the extension tube, and the locking boss 23 of the pivot 3 is fitted into the locking hole 25 of the suction port attachment 21. On the other hand, when an extension pipe or the like is connected to the tip of the hand grip portion 3 without using the suction port attachment 21, the suction port attachment 21 is rotated to fit the locking boss 23 into the locking hole 25. At this time, the suction port attachment 21 is securely fixed to the hand grip portion 2 and the lower side of the extension tube, and can be cleaned without disturbing the cleaning.

[0006]

Since the conventional suction port attachment has a large suction port, there is a possibility that accessories or the like may be erroneously sucked into the main body of the cleaner when cleaning the inside of the drawer or the accessory case. there were. As a result, when taking out from the dust collection chamber in the vacuum cleaner main body, there are problems such as dirty hands and spilling of dust. Also,
In the conventional suction port attachment, since the brush was planted in a U-shape, there was a problem of removing dust on the opening side.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and has a simple structure that can prevent erroneous suction of a small object and can visually confirm that the small object has caught on a net body. It is an object of the present invention to provide a vacuum cleaner having:

[0008]

According to the present invention, there is provided a vacuum cleaner having a pivot portion provided at a connection portion of a hand operating portion or an extension pipe communicating with the inside of the cleaner main body, and a rotatably pivotally connected to the pivot portion. A suction port attachment is supported, and a mesh body rotatably provided at an opening of the suction port attachment to prevent erroneous suction into the cleaner body.

Further, a brush is formed on the mesh body.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiment 1 1A and 1B are explanatory views showing the use of a suction port attachment of a vacuum cleaner according to Embodiment 1 of the present invention. FIG. 1A is a side view of a hand grip portion showing an example of a hand operation portion, and FIG. It is an arrow A view of a hand grip connection portion. FIGS. 2A and 2B are explanatory views showing a state in which the suction port attachment is not used. FIG. 2A is a side view of a hand grip, and FIG. FIG. 3 is an explanatory view showing a state in which the suction port attachment is removed, (A) is a side view of a hand grip portion, and (B)
FIG. 5 is a view of the hand grip connection portion as viewed from the direction of the arrow C. 4A and 4B are explanatory diagrams showing the configuration of the suction port attachment, in which FIG. 4A is a front view, FIG. 4B is a sectional view taken along line DD, and FIG. FIG. 5 is a configuration diagram showing a net body for preventing small articles from being sucked.
(A) is the side view, (B) is the F arrow view. FIGS. 6A and 6B are explanatory diagrams showing a net body for preventing small articles from being sucked. FIG. 6A is an explanatory diagram showing a rotating operation, and FIG. 6B is an explanatory diagram showing a stored state.

In the drawings, reference numeral 1 denotes a hose communicating with the inside of the cleaner body (not shown), 2 denotes a hand grip portion which is a hand operation portion provided at an end of the hose 1, and 3 denotes a connection portion of the hand grip portion 2. 2a, a pair of pivot portions provided on the outer periphery, 4 is a suction port attachment rotatably supported by the pivot portion 3, and 5 is a small-piece suction prevention rotatably provided at an inner opening of the suction port attachment 4. It is a net for use.

An engagement boss 6 for pivotally supporting the suction port attachment 4 in the pivot support portion 3, an engagement recess 7 for positioning and holding the suction port attachment 4 in the state of FIG. 1 or 2, respectively, 8 are formed. And
As shown in FIG. 4, a U-shaped attachment frame 9 is formed in the suction port attachment 4, and a locking hole for fitting with the engaging boss 6 of the pivot 3 is formed in the inner periphery of the attachment frame 9. 10 and engagement dowels 11 and 12 that are respectively fitted into the fitting recesses 7 and 8 of the pivot portion 3 are formed. Reference numeral 13 denotes a locking hole that fits into the net body 5 for preventing small articles from being sucked, and reference numeral 14 denotes a brush provided on the attachment frame 9. Also,
The mesh body 5 has a shaft 16 having locking bosses 15 formed at both ends for engaging with the locking holes 13 of the suction port attachment 4, a net portion 17 for preventing the suction of small articles, and a portion around the net portion 17. A formed circumferential rib 18 is provided. The rib 18 has a diameter capable of fitting into the opening of the connection portion 2a of the hand grip 2. Further, the net body 5 has a structure in which dust or the like is prevented from entering through a gap during use by providing a circumferential rib 18 corresponding to the opening of the hand grip 2.

The attachment of the net 5 for preventing the suction of small objects to the suction port attachment 4 is performed by slightly opening the open end side of the attachment frame 6 and fitting the engaging boss 15 of the net 5 into the locking hole 13. And attach them together. To attach the suction port attachment 4 to the grip portion 2 at hand, the release end side of the attachment frame 6 is slightly opened to fit the locking boss 6 into the locking hole 10, and the suction port attachment 4 is used. In this case, the locking dowel 11 is fitted into the engaging recess 7. On the other hand, when other connecting tools such as an extension tube are connected to the hand grip portion 2 without using the suction port attachment 4,
By turning the suction port attachment 4, the closed end side of the suction port attachment 4 is gripped by the hand grip portion 2 as shown in FIG.
To engage the engagement dowel 12 formed in the suction port attachment 4 with the engagement recess 8. In this state, an extension tube or the like is connected to the connection portion 2a of the hand grip portion 2. At this time, the suction port attachment 4 is securely fixed to the lower side of the connection portion 2a of the hand grip 2 by fitting the engagement dowel 12 and the engagement recessed portion 8, so that the suction port attachment 4 is cleaned without disturbing during cleaning. be able to.

When the net 5 is not used, as shown in FIG. 6, the upper end 5a of the net 5 is supported by a finger, and the net 5 is formed in a concave portion 19 formed in the connecting portion 2a of the hand grip 2. Body 5
Of the upper end portion 5a can be stored.

In this embodiment, the grip portion is provided on the hand grip portion, but the hand operation portion is not limited to this shape. Further, in the present embodiment, the pivot support for attaching the suction port attachment is provided at the connection end of the hand operation unit, but it may be formed at the connection end of the extension pipe communicating with the inside of the cleaner body.

Second Embodiment FIG. 7 is an explanatory view showing the use of a suction port attachment of a vacuum cleaner according to a second embodiment of the present invention, wherein (A) is a side view of a hand grip portion,
(B) is a G arrow view of the hand grip connection part. FIG.
3A is a configuration diagram showing a net body, FIG. 3A is a side view thereof, and FIG. In the figure, the same components as those of the first embodiment are denoted by the same reference numerals, and description thereof is omitted. In the second embodiment, a brush is implanted in a net 5 for preventing small articles from being sucked. 20
Is a brush planted at the lower portion of the mesh body 5, and as shown in FIG.
Of the brush 20 is provided. With this configuration, a brush is formed on the entire circumference of the suction port attachment 4, and it is possible to prevent dust from being left behind.

[0017]

According to the present invention, there is provided a suction port attachment rotatably supported by a hand control section or a pivot support section provided at a connection end of an extension pipe communicating with the inside of a cleaner body, and an opening section of the suction port attachment. And a mesh body that is rotatably provided on the cleaner body to prevent erroneous suction into the cleaner body. Can be prevented, and cleaning can be performed without worrying about erroneous suction. Further, it is possible to easily visually observe that the small object has hit the net.

[0018]

[Brief description of the drawings]

FIG. 1 is an explanatory diagram showing a use state of a suction port attachment of a vacuum cleaner according to a first embodiment of the present invention.

FIG. 2 is an explanatory view showing a state when the suction port attachment is not used.

FIG. 3 is an explanatory view showing a state where a suction port attachment is removed.

FIG. 4 is an explanatory diagram showing a configuration of a suction port attachment.

FIG. 5 is a configuration diagram showing a net body for preventing the suction of small objects.

FIG. 6 is an explanatory view showing a net body for preventing the suction of small objects.

FIG. 7 is an explanatory diagram illustrating a use state of a suction port attachment of the vacuum cleaner according to the second embodiment of the present invention.

FIG. 8 is a configuration diagram showing a net body.

FIG. 9 is an explanatory view showing a suction port attachment of a conventional vacuum cleaner.

FIG. 10 is an explanatory view showing a suction port attachment of a conventional vacuum cleaner.

[Explanation of symbols]

1 Hose, 2 hand grips, 3 pivots, 4 inlet attachments, 5 nets, 9 attachment frames, 14 brushes, 20 brushes.

 ──────────────────────────────────────────────────続 き Continuing on the front page (72) Kazuo Mitsui 1728 Koeda, Oaza, Hanazono-cho, Osato-gun, Saitama Prefecture Inside Mitsubishi Electric Home Equipment Co., Ltd. (72) Kazushige Motoki 1728 Koeda, Kazuo, Hanazono-cho, Osato-gun, Saitama Address 1 Mitsubishi Electric Home Equipment Co., Ltd. F-term (reference) 3B057 BA01 BA23 BA27 FA01 FA14 3B061 AA02 AA18 AA26 AA44

Claims (2)

[Claims] 1. A pivot portion provided at a hand operation portion or a connection portion of an extension pipe communicating with the inside of a cleaner main body, a suction port attachment rotatably supported by the pivot portion, and a suction port attachment. A vacuum rotatably provided in the opening to prevent erroneous suction into the cleaner body. 2. The vacuum cleaner according to claim 1, wherein a brush is formed on the net.