JP3062839B2 - Attachment holding structure for 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 an attachment holding structure for a vacuum cleaner.

[0002]

2. Description of the Related Art FIG. 7 is a perspective view of a conventional vacuum cleaner having an attachment holder. 1 is a vacuum cleaner body containing a dust collecting blower, a motor, a dust collecting bag, a cord reel, etc.
The figure shows a state in which the rear portion is set upright. Reference numeral 2 denotes a hose detachably attached to a suction port (not shown) provided in the cleaner body 1, and reference numeral 3 denotes a pipe detachably attached to the hose 2, and a nozzle is attached to a tip portion. 4
Reference numerals a to 4d denote wheels provided on the bottom of the cleaner body.

[0003] Reference numeral 10 denotes a holder engaged with locking holes 5a and 5b provided in the bottom of the cleaner body 1, and details thereof are shown in FIG. The holder 10 is made of a synthetic resin molded product, and has a body portion 11 having a substantially U-shaped cross section, and one end protruding diagonally outwardly and having a rectangular fitting hole 1 having a short diameter substantially equal to the outer diameter of the pipe 3.
3 and two locking pieces 14a, 14b projecting diagonally outward at the other end on the same side as the fitting part 12 at a slightly smaller interval than the outer diameter of the pipe 3. The configured side surface has a substantially inverted concave shape.

Such a holder 10 has a fitting hole 13
When cleaning is performed, the pipe 3 is rotated around the pipe 3 as shown in FIG.
b is elastically fitted to the pipe 10 and held at that position.
Note that the holder 10 may be removed from the pipe 3. After the cleaning, the holder 10 is rotated as shown in FIG.
4a and 14b are removed from the pipe 3, the locking pieces 14a and 14b of the holder 10 are engaged with the locking holes 5a and 5b provided on the bottom of the cleaner body 1 as shown in FIG. And store it.

[0005]

In the conventional holder 10 as described above, since the pipe 3 is merely fitted into the fitting hole 13, the holding force is weak, and the holder 10 is easily slipped. Therefore, as shown in FIG. When the pipe 3 is held by being engaged with the cleaner body 1, the pipe 3 descends due to the weight of the pipe 3 and the hose 2.
May rub against the floor or the like or hit the wall, damaging them. Further, since it is necessary to prepare holders 10 corresponding to the outer diameter and cross-sectional shape of the pipe 3, not only inventory management is troublesome but also cost is increased.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has an object to provide an attachment holding structure for a vacuum cleaner having a holder capable of holding a pipe at a predetermined position without slipping. It is intended for.

[0007]

Means for Solving the Problems] attachment holding structure for an electric vacuum cleaner according to the present invention, a pipe hole for inserting a pipe, and a retaining ring having a slit which opens to the front wall from the pipe bore, the retaining-ring the path by pressing the
It has a pressing piece for reducing the diameter of the i-hole , and comprises a holder movably attached to the holding ring.
Further, the holding ring and the holder are rotatably connected by a shaft and a bearing, and a locking means is provided between the both.

[0008]

The pipe is inserted into the pipe hole of the retaining ring, and the holder is movably attached to the retaining ring. When performing cleaning, the holder is rotated to make the locking piece elastically engage the pipe. At this time, the holder is locked by the locking means. When cleaning is completed, the retaining piece of the holder is removed from the pipe and rotated. With this , it was provided in the fitting hole of the holder .
The pressing piece presses the holding ring from both sides to reduce the diameter of the pipe hole and strongly hold the pipe. At this time, the holder is locked by the locking means. In this state, if the locking piece of the holder is locked in the locking hole provided in the cleaner body, the pipe and the hose are held by the holder.

[0009]

[Embodiment 1] FIG. 1 is a perspective view of an embodiment of the attachment holding structure according to the present invention. In the drawing, reference numeral 20 denotes a rectangular cylindrical holding ring made of a synthetic resin molded product, which is provided with a pipe hole 21 for inserting the pipe 3 as shown in the embodiment of FIG. An opening slit 22 is formed, and both side walls of the slit 22 are configured as pressed pieces 27 and 28. The inner diameter of the pipe hole 21 is substantially equal to or slightly larger than the outer diameter of the pipe 3 to be fitted. Although FIG. 3 shows a substantially square pipe hole 21 for fitting a pipe having a substantially square cross section, the pipe hole 21 is appropriately changed according to the outer shape of the pipe 3. Reference numeral 23 denotes a band-shaped concave portion provided on both side walls, and reference numeral 24 denotes a circular concave bearing portion provided on both side walls above the concave portion 23. Grooves 25, 2 are provided in the vertical and oblique directions of the bearing portion 24.
6 are provided.

Reference numeral 30 denotes a holder made of a synthetic resin molded product.
An example is shown in FIG. The holder 30 has a main body 31 having a substantially U-shaped cross section, and a fitting hole 33 into which the holding ring 20 is fitted, extending obliquely outward from one end of the main body 31 and then laterally. And two locking pieces 38 projecting obliquely outward from the other end on the same side as the fitting part 32 at an interval substantially equal to or slightly smaller than the outer diameter of the pipe 3.
a and 38b.

FIG. 5 is a plan view of the fitting portion 32, and FIG. 6 is a front view thereof. A front plate of the fitting portion 32 or a support plate 34 provided inside the front plate is provided with arc-shaped pressing pieces 35a, 3
5b is provided. When the pipe 3 is held and stored in the cleaner main body, the pressing pieces 35a and 35b are pressed by the pressing pieces 35a and 35b on the holding ring 20 side.
7 and 28 are pressed from the outside, the diameter of the pipe hole 21 of the holding ring 20 is reduced, and the function of increasing the pipe holding force is provided. The holding ring 20 is provided on the inner wall of the fitting portion 32.
Shafts 36a and 36b fitted to the bearing portion 24 provided on the side wall of
Are provided so as to face each other, and ribs 37a and 37b are provided above and below the shafts 36a and 36b.

Next, the operation of the present invention configured as described above will be described. First, the pipe 3 is inserted into the pipe hole 21 of the holding ring 20, and then the holder 30 is fitted to the holding ring 20, and the shafts 36 a and 36 b are connected to the bearing 24 of the holding ring 20, and are rotatable. To be held. After fitting the holding ring 20 to the holder 30, the pipe 3 may be inserted. When performing cleaning, as shown in FIG.
0 is rotated about the shafts 36a and 36b.
a and 38b are elastically fitted to the pipe 3 and
And hold the holder 30 in that position. At this time, the ribs 37a, 37b provided on the inner wall of the fitting hole 33 of the holder 30
Are fitted and locked in the oblique grooves 26 provided in the side wall of the holding ring 20, so that the locking pieces 38 a and 38 b do not come off the pipe 3.

When cleaning is completed, the locking pieces 38a and 38b are removed from the pipe 3 as shown in FIG. 1, and the holder 30 is rotated about the shafts 36a and 36b in the direction of the arrow. As a result, the fitting portion 32 moves downward along the holding ring 20, and the pressing pieces 35 a and 35 b provided in the fitting hole 33 press the pressed pieces 27 and 28 of the holding ring 20 inward from both sides. I do. Since the holding ring 20 is provided with the slit 22, the diameter of the pipe hole 21 is reduced, and the pipe 3 is strongly held. In this state, the locking pieces 38a and 38b of the holder 30 are fixed to the locking holes 5 provided in the cleaner body 1.
The pipe 3 is held without slipping if it is locked to a, 5b. At this time, the ribs 37a and 37b provided on the inner wall of the fitting hole 33 of the holder 30 are fitted and locked in the grooves 25 provided in the vertical direction of the side wall of the holding ring 20.

According to the present invention configured as described above, when the outer diameter or the cross-sectional shape of the pipe 3 changes, the holder 30 is shared by using the holding ring 20 having the pipe hole 21 that matches the outer diameter or the cross-sectional shape. Can be used for

Embodiment 2 FIG. In the above embodiment, the retaining ring 2
0, the bearing portion 24 and the grooves 25, 26
a, 36b and ribs 37a, 37b are shown, but they may be provided on either the holding ring 20 or the holder 30, and the holder 30 is rotatably connected to the holding ring 20 and locked. If so, other means may be provided.

[0016]

As is apparent from the above description, the present invention provides a retaining ring having a slit opening from a pipe hole to a front wall.
Provided with, provided a pressing piece for pressing the holding-ring in the holder, the pipe hole of the retaining ring to rotate the holder for holding the pipe to the cleaner main body is to be reduced in diameter to hold strongly pipe There is no danger of the pipe held by the cleaner body slipping and descending, so that the floor surface and walls are not damaged. Further, since the locking means is provided between the holding ring and the holder, there is no possibility that the holder comes off the pipe or the holding ring during cleaning or storage.

[Brief description of the drawings]

FIG. 1 is a perspective view of an embodiment of the present invention.

FIG. 2 is an operation explanatory view of the present invention.

FIG. 3 is a perspective view of an embodiment of a retaining ring.

FIG. 4 is a perspective view of an embodiment of the holder.

FIG. 5 is a plan view of an embodiment of a fitting portion of the holder.

FIG. 6 is a left side view of FIG. 5;

FIG. 7 is a perspective view of a conventional vacuum cleaner having a pipe holder.

FIG. 8 is a perspective view of the pipe holder of FIG. 7;

FIG. 9 is an operation explanatory view of FIG. 8;

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Vacuum cleaner main body 3 Pipe 5a, 5b Locking hole 20 Holding ring 21 Pipe hole 22 Slit 24 Bearing 25, 26 Groove 30 Holder 35a, 35b Pressing piece 36a, 36b Shaft 37a, 37b Rib 38a, 38b Locking piece

──────────────────────────────────────────────────続 き Continuing on the front page (72) Inventor: Yutaka Takahashi 1728, Koeda, Oaza, Hanazono-cho, Osato-gun, Saitama 1 Inside Mitsubishi Electric Home Equipment Co., Ltd. Mitsubishi Electric Home Equipment Co., Ltd. (56) References JP-A-63-51821 (JP, A) JP-A 63-64345 (JP, U) JP-A 63-64343 (JP, U) JP-A 63-64343 46058 (JP, U) Fully open 1988-36449 (JP, U) Fully open 1979-75062 (JP, U) Fully open 50-100872 (JP, U) Fully open 1988-83153 (JP, U) (58) Field surveyed (Int. Cl. ⁷ , DB name) A47L 9/00 105

Claims (2)

(57) [Claims] 1. A vacuum cleaner having a holder for holding a pipe and being locked to a cleaner body, wherein a pipe hole for inserting the pipe, and an opening from the pipe hole to a front wall.
A holding ring provided with a slit , and reducing the diameter of the pipe hole by pressing the holding ring.
An attachment holding structure for an electric vacuum cleaner, comprising: a holder having a pressing piece to be movably attached to the holding ring. 2. The attachment for a vacuum cleaner according to claim 1, wherein the holding ring and the holder are rotatably connected by a shaft and a bearing, and locking means is provided between the holding ring and the holder. Retention structure.