JPH0542072A - Attachment holding structure for electric cleaner - Google Patents

Abstract

PURPOSE:To obtain an attachment holding structure for an electric cleaner which has a holder retainable accurately in a specified position without slipping on a pipe. CONSTITUTION:This invention comprises a pipe hole 21, a holding ring 20 which has a slit 22 to be opened on the front wall from the pipe hole, the body part 31 and a fitting part 32 and retaining pieces 38a and 38b provided on both sides thereof. The fitting part 32 is provided with a fitting hole 33 and pressing pieces 35a and 35b inside the front internal side of the fitting hole 33. A holder 30 is rotatably connected to the holding ring 20 fitted into the fitting hole 33.

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 provided with an attachment holder. 1 is a cleaner body with a built-in dust collecting blower, motor, dust collecting bag, cord reel, etc.
The figure shows a state in which the rear part is placed upright. Reference numeral 2 is a hose detachably attached to a suction port (not shown) provided in the cleaner body 1, and reference numeral 3 is a pipe detachably attached to the hose 2, and a nozzle is attached to a tip portion thereof. Four
The wheels a to 4d are provided on the bottom of the cleaner body.

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

Such a holder 10 has a fitting hole 13 formed therein.
When the pipe 3 is inserted in the cleaning device, the pipe 3 is rotated about the fulcrum as shown in FIG.
b is elastically fitted to the pipe 10 and held in that position.
The holder 10 may be removed from the pipe 3. When cleaning is completed, the holder 10 is rotated as shown in FIG.
4a and 14b are removed from the pipe 3, and the locking pieces 14a and 14b of the holder 10 are engaged with the locking holes 5a and 5b provided at the bottom of the cleaner body 1 as shown in FIG. Hold and store.

[0005]

In the conventional holder 10 as described above, since the pipe 3 is simply fitted into the fitting hole 13 of the holder 10, the holding force is weak and the holder 10 easily slides. When the pipe 3 is held by being engaged with the cleaner body 1, the pipe 3 is lowered by the weight of the pipe 3 and the hose 2, and the pipe 3 is removed when the cleaner body 1 is taken out for cleaning.
The bottom edge of the may scratch the floor or hit the wall. In addition, it is necessary to prepare the holders 10 that match the outer diameter and the cross-sectional shape of the pipe 3 respectively, so that not only is inventory management troublesome, but also the cost is increased.

The present invention has been made to solve the above problems, and provides an attachment holding structure for an electric vacuum cleaner, which is provided with a holder capable of holding the pipe in a predetermined position without slipping. It is intended for.

[0007]

An attachment holding structure for an electric vacuum cleaner according to the present invention includes a pipe hole, a holding ring having a slit that opens from the pipe hole to a front wall, a main body portion, and fittings provided on both sides thereof. It consists of a mating part and a locking piece, and the fitting part is provided with a fitting hole and a pressing piece inside the front part of this fitting hole, and it is rotatably connected to the retaining ring fitted in the fitting hole. It consists of a holder. Further, the holding ring and the holder are rotatably connected by a shaft and a bearing, and a locking means is provided between them.

[0008]

The pipe is inserted into the pipe hole of the holding ring, the holding ring is fitted into the fitting hole of the holder, and the holder is rotatably connected by the connecting means. When cleaning, the holder is rotated to elastically engage the locking piece with the pipe. At this time, the holder is locked by the locking means. After cleaning, remove the holder locking piece from the pipe and rotate. As a result, the pressing piece provided in the fitting hole of the holder 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]

【Example】

Example 1. FIG. 1 is a perspective view of an embodiment of an attachment holding structure according to the present invention. In the figure, reference numeral 20 denotes a rectangular tubular retaining ring made of a synthetic resin molded product, which is provided with a pipe hole 21 into which the pipe 3 is fitted as shown in the embodiment of FIG. 3, and from this pipe hole 21 to the front wall. An opening slit 22 is formed. 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 a pipe hole 21 having a substantially rectangular shape is shown in FIG. 3 for fitting a pipe having a substantially rectangular cross section, the pipe hole 21 may be appropriately changed according to the outer shape of the pipe 3. 23 is a band-shaped recess provided on both side walls, 24
Is a circular concave bearing portion provided on both side walls above the concave portion 23, and the groove 2 is formed in the vertical and diagonal directions of the bearing portion 24.
5, 26 are provided.

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

FIG. 5 is a plan view of the fitting portion 32, and FIG. 6 is a front view thereof. The front plate of the fitting portion 32 or the support plate 34 provided on the inside of the front plate is provided with arcuate pressing pieces 35a, 3 extending inside from the vicinity of both end portions thereof, and thus into the fitting hole 33.
5b is provided. Further, the inner wall of the fitting portion 32 has the shaft 3 fitted to the bearing portion 24 provided on the side wall of the retaining ring 20.
6a and 36b are provided so as to face each other, and the shaft 36
Ribs 37a and 37b are provided above and below a 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 into the holding ring 20 and the shafts 36a and 36b thereof are connected to the bearing portion 24 of the holding ring 20 so as to be rotatable. To hold. The pipe 3 may be inserted after the holding ring 20 is fitted to the holder 30. When cleaning, as shown in FIG.
0 around the shafts 36a and 36b, the locking piece 38
a and 38b are elastically fitted to the pipe 3 to hold the holding ring 20.
And hold the holder 30 in that position. At this time, ribs 37a and 37b provided on the inner wall of the fitting hole 33 of the holder 30 are provided.
Is fitted and locked in the groove 26 in the oblique direction provided on the side wall of the retaining ring 20, so that the locking pieces 38a, 38b will not come off from the pipe 3.

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

According to the present invention constructed as described above, when the outer diameter or the cross-sectional shape of the pipe 3 is changed, the holder ring 30 having the pipe hole 21 that matches the changed diameter is used, so that the holder 30 is common. Can be used for

Example 2. In the above embodiment, the retaining ring 2
The bearing portion 24 and the grooves 25 and 26 are attached to
Although a and 36b and ribs 37a and 37b are shown, 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, according to the present invention, a holding member for a pipe is constituted by the holding ring and the holder, and when the holder is rotated to hold the pipe in the cleaner body, the pipe hole of the holding ring is formed. Since the pipe is reduced in diameter to hold the pipe strongly, there is no risk that the pipe held by the cleaner body will slide down, and thus the floor surface or the wall will not be damaged. Further, since the locking means is provided between the holding ring and the holder, there is no fear that the holder will come off from the pipe or the holding ring during cleaning or storage.

[Brief description of drawings]

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

FIG. 2 is an explanatory view of the operation 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 a holder.

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

FIG. 6 is a left side view of FIG.

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

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

FIG. 9 is an explanatory view of the operation of FIG.

[Explanation 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 31 Main Body 32 Fitting Part 33 Fitting Hole 35a, 35b Pressing Piece 36a, 36b Shaft 37a, 37b rib 38a, 38b locking piece

Front page continuation (72) Inventor Yutaka Takahashi 1728 Omaeda, Maeda, Hanazono-gun, Saitama Prefecture 1728 Mitsubishi Electric Home Appliances Co., Ltd. Equipment Co., Ltd.

Claims (2)

[Claims] 1. A vacuum cleaner including a holder that holds a pipe and is locked to a main body of the vacuum cleaner, the holding ring having a pipe hole into which the pipe is inserted and a slit that opens from the pipe hole to a front wall. And a fitting portion that extends diagonally outward from one side of the main body having a substantially U-shaped cross section, and a locking piece that extends diagonally outward from the other side and that can be elastically fitted to the pipe. The fitting portion is provided with a fitting hole into which the holding ring is fitted, and a pressing piece for pressing the holding ring from both sides is provided inside a front portion of the fitting hole. An attachment holding structure for a vacuum cleaner, comprising: a holder rotatably connected to a holding ring fitted in a hole. 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.