JP6782399B2 - Hose hook - Google Patents

Description

The present invention relates to a hose hook .

The conventional method of storing an electric vacuum cleaner is to stand the vacuum cleaner body on the floor, fit the locking part of the pipe to the locked part provided on the vacuum cleaner body, and place it on the floor. There is a stand storage that stores the vacuum cleaner so that the pipe stands upright.

However, if the hose is long enough for comfortable use of the vacuum cleaner, the hose is in a greatly inflated state in the conventional stand storage, which impairs the appearance and expands the storage space. There was a problem to do.

In order to solve such a problem, the hose is equipped with a hook and the extension pipe is equipped with a hook, and the hose hook is attached to the hook when the vacuum cleaner is stored. (See, for example, Patent Document 1).

Japanese Unexamined Patent Publication No. 2-98329

However, in the technique of the conventional vacuum cleaner described in Patent Document 1 described above, when the hose is attached to the hooking tool of the extension pipe by the hose hooking tool, the end face of the hose hooking tool is attached to the hose. There is a problem that a concentrated load is applied and the product life of the hose is shortened.

An object of the present invention is to solve such a conventional problem, and an object of the present invention is to provide an electric vacuum cleaner having a long product life of a hose by reducing a concentrated load on the hose.

The present invention is a hose hook that can be attached to and detached from a hose, and has a hook at one end and a hook that is hooked at the other end, and is made of an elastic synthetic resin. It is a hook.

The vacuum cleaner of the present invention can disperse the load on the hose by the hose hook when the vacuum cleaner is stored, and can provide a vacuum cleaner having a long product life of the hose.

Right side view of the vacuum cleaner according to the first embodiment of the present invention. Right side view of the vacuum cleaner in the stowed state Bottom perspective view of the vacuum cleaner body of the same vacuum cleaner Perspective view of the extension pipe of the vacuum cleaner Perspective view of the hose stopper of the vacuum cleaner Cross-sectional arrow view of part A in FIG.

The first invention is a flexible vacuum cleaner body having a built-in electric blower and a locked portion A for storing a stand, and a flexible hose having one end connected to the vacuum cleaner body and a suction grip portion at the other end. A hose, an extension pipe whose one end is connected to the suction grip portion, a floor suction tool connected to the other end of the extension pipe, and the locked portion A provided on the extension pipe when the stand is stored. The hose stopper is provided with a locking portion to be locked to the hose, a hooked portion B provided at the rear end of the suction grip portion, and a hose hook attached to the hose. A hooking portion is provided on the hooked portion B to be detachably hooked when the hose is stored. When the hose is stored, the hooked portion of the hose hook is sucked into the hooked portion B of the gripping portion. By hooking on the hose, the load from the hose hook to the hose can be distributed and the concentrated load on the hose can be prevented, so that a vacuum cleaner having a long hose product life can be realized.

In the second invention, in particular, the inner peripheral surface of the hose hook that comes into contact with the outer peripheral surface of the hose when the hose hook of the first invention is attached to the hose has a curved surface or a raised shape. When the hose bends along the inner peripheral surface of the hose hook, the bent portion is not overloaded, so that the life of the hose can be extended.

In the third invention, in particular, a curved surface having a curved surface or a raised shape on a surface of the hose hook of the first invention that comes into contact with the hose is formed in the axial direction of the hose at the portion to which the hook is attached. A flat surface portion is arranged, and the curved surface portion and the flat surface portion are smoothly connected in a shape so that the secondary moment of the cross section is substantially constant. The hose hooking tool is attached to the hose. The internal stress applied to the connection portion between the curved surface portion and the flat surface portion can be made substantially uniform, and the product life of the hose hook can be extended.

In the fourth invention, in particular, the hose of any one of the first to third inventions has a spiral steel wire, and a convex rib is provided on the inner peripheral surface of the hose hook that contacts the outer peripheral surface of the hose. In a state where a plurality of the hose hooks are attached to the hose, at least one of the convex ribs is inserted between the steel wires on the outer peripheral surface of the hose. When a force is applied to the hose in the direction of the central axis of the hose and the hose hook and the hose try to slide, the convex ribs hang on the steel wire on the outer peripheral surface of the hose, causing the hose and the hose hook to slide. It is possible to prevent sliding and improve the fixing force between the hose hook and the hose.

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

(Embodiment 1)
FIG. 1 is a right side view of the vacuum cleaner according to the first embodiment of the present invention, FIG. 2 is a right side view of the vacuum cleaner in a stored state, and FIG. 3 is a bottom surface of the vacuum cleaner body of the vacuum cleaner. A perspective view, FIG. 4 is a perspective view of an extension pipe of the vacuum cleaner, FIG. 5 is a perspective view of a hose hook of the vacuum cleaner, and FIG. 6 is a cross-sectional arrow view of part A of FIG. is there.

In the following, regarding the description of the vacuum cleaner 1 and its components (components), for convenience, the left side in FIG. 1 is the front (tip) side, the right side is the back (rear end) side, and the upper side is the upper surface (upper) side, lower. The side is the bottom (bottom) side, the front is the right side, and the back is the left side.

As shown in FIG. 1, the vacuum cleaner 1 according to the present embodiment includes a vacuum cleaner main body 2, a hose 3 having a spiral steel wire (not shown), a hose hook 4, and a suction grip. A portion 5, an extension pipe 6, and a floor suction tool 7 are included.

The vacuum cleaner main body 2 has a built-in electric blower (not shown) that generates suction force and also has a dust collector (not shown). Further, a locked portion A8 (see FIG. 3) is provided on the front surface of the bottom surface of the vacuum cleaner main body 2.

As shown in FIG. 2, when the back surface of the vacuum cleaner body 2 is attached to the floor and the vacuum cleaner 1 is erected and stored with the front surface facing the sky, that is, when the vacuum cleaner 1 is stored in a stand, the locked portion A8 is an extension pipe 6 Is to be kept in a substantially vertical state, and a recess 8a for fitting a hook 9 (see FIG. 4) as a locking portion provided in the extension pipe 6 is formed.

One end of the hose 3 is connected to the vacuum cleaner main body 2 via a hose joint 10 and communicates with the dust collecting portion.

When the stand shown in FIG. 2 is stored, the hose hook 4 is attached to the hose 3.

Further, a hook portion B20 is provided at the rear end portion of the suction grip portion 5, and a recess (shown in FIG. 5) for fitting the hook portion 15 (see FIG. 5) provided in the hose hook 4 is provided. Is formed.

By fixing the hook portion 15 (see FIG. 5) of the hose hook 4 to the recess of the hooked portion B20 at the rear end of the suction grip portion 5, the hose 3 can be suppressed from bending.

The hose hook 4 is made of an elastic synthetic resin such as polypropylene and is attached to the hose 3.

In FIG. 5, the hose hook 4 has a polymerization locking portion 11 at one end and a hook 13 at the other end that is hooked into the hook hole 12 of the polymerization locking portion 11. The connecting portion 18 that connects the curved band body 14 and the flat band body 17 of the hose hook 4 is formed by smoothly connecting the shapes so that the moment of inertia of area is substantially constant. The hose hook 4 is wound and fixed to the hose 3 by the curved band 14, the flat band 17, and the connecting portion 18.

Further, the inner peripheral surface of the curved strip 14 is formed of a curved surface as shown in FIG. 6, and the outer peripheral surface of the flat strip 17 is integrated with a hook portion 15 protruding in the axial direction of the hose 3 as a hook portion. It is molded.

Further, on the inner peripheral surfaces of the curved band 14 and the flat band 17, a plurality of contact ribs for contacting the outer peripheral surface of the hose 3 to increase the winding holding force of the hose hook 4 around the hose 3 are provided. 16 and a plurality of convex ribs 19 protruding from the contact rib 16 are formed so as to project.

As shown in FIG. 1, one end of the suction grip portion 5 is connected to the hose 3, and is provided with a plurality of switches (not shown) for the user to perform operations such as turning on and off the power of the electric blower. There is.

On the other hand, an extension pipe 6 is connected to the other end of the suction grip portion 5, and a floor suction tool 7 is connected to the tip of the extension pipe 6, and the user uses the suction grip portion 5. When the power is turned on, the electric blower inside the vacuum cleaner main body 2 is driven, and suction air is generated from the suction port (not shown) of the floor suction tool 7 to suck up the dust on the floor surface and the like. It is possible to collect dust in the dust collecting portion inside the vacuum cleaner main body 2 via the extension pipe 6, the suction grip portion 5, and the hose 3.

Since the extension pipe 6 is detachable from the suction grip portion 5, the extension pipe 6 can be removed from the suction grip portion 5 to suck dust from the opening (not shown) of the suction grip portion 5. It is also possible to remove the floor suction tool 7 from the extension pipe 6 and suck dust from the opening portion 6a of the extension pipe 6.

The operation of the vacuum cleaner in the present embodiment configured as described above is as follows.

When the hose 3 is attached to the hooked portion B20 of the suction grip portion 5 by the hose hook 4 to store the hose 3, the load from the hose hook 4 to the hose 3 is distributed and concentrated on the hose 3. By preventing the load, the product life of the hose 3 can be extended.

Further, by making the flat band 17 of the hose hook 4 easy to bend, the force required to widen the space between both ends of the hose hook 4 when the hose hook 4 is attached to the hose 3 is reduced. It can be attached and detached easily.

Further, the internal stress applied to the connection portion 18 of the hose hook 4 when the hose hook 4 is attached to the hose 3 can be made substantially uniform, and the product life of the hose hook 4 can be extended. can do.

Further, since the curved band 14 having a curved shape is provided on the inner peripheral surface of the hose hook 4 that comes into contact with the outer peripheral surface of the hose 3, when the hose hook 4 is attached to the hose 3, the hose 3 is a hose. When the hose 4 is bent along the inner peripheral surface, the bent portion is not overloaded, so that the life of the hose 3 can be extended.

In the present embodiment, the curved band 14 has a curved shape, but it goes without saying that the same action and effect can be obtained even if the curved band 14 has a raised shape.

Further, when the hose hook 4 is attached to the hose 3 and a force is applied to the hose 3 in the axial direction and the hose hook 4 and the hose 3 try to slide, the convex rib 19 is the outer circumference of the hose 3. It is possible to prevent the hose 3 and the hose hook 4 from sliding due to being caught between the steel wires (not shown) on the surface, and it is possible to improve the fixing force between the hose hook 4 and the hose 3.

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.

The vacuum cleaner according to the present invention can distribute the load on the hose by the hose hook when the vacuum cleaner is stored, so that the product life of the hose is extended, and various vacuum cleaners using the hose. Widely applicable to.

1 Vacuum cleaner 2 Vacuum cleaner body 3 Hose 4 Hose hook 5 Suction grip 6 Extension pipe 6a Opening 7 Floor suction 8 Locked part A
8a Recess 9 Hook (locking part)
10 Hose joint 11 Polymerized locking part 12 Hook hole 13 Hook hook 14 Curved band (curved surface)
15 Hook part (hanging part)
16 Reliable rib 17 Flat band (flat part)
18 Connection part 19 Convex rib 20 Hooking part B

Claims (2)

A hose hook that is detachable from a hose and is made of an elastic synthetic resin and has a hook at one end and a hook that is hooked at the other end. When the stopper is attached to the hose, the inner peripheral surface of the hose hook facing the outer peripheral surface of the hose has a curved surface and a raised shape, and the outer peripheral surface of the hose is on the inner peripheral surface of the hose locking tool. A curved band having a curved surface whose cut surface in the inner diameter direction of the hose is substantially circular in a portion in contact with the hose, and a flat band having a flat surface on a portion facing the outer peripheral surface of the hose. The flat band is wider than the curved band, and a hose having a hook portion protruding in the axial direction of the hose is formed on the outer peripheral surface of the flat band with the hose hook attached to the hose. Hose. A plurality of contact ribs on the inner peripheral surface of the curved band that come into contact with the outer peripheral surface of the hose, and a plurality of protrusions on the inner peripheral surface of the flat band that protrude from the contact ribs that contact the outer peripheral surface of the hose. The convex rib has a rib, and the convex rib has a mountain shape along the axial direction of the hose. With the hose hook attached to the hose, at least one of the convex ribs is the outer circumference of the hose. The hose hook according to claim 1, which is capable of entering between steel wires on a surface.

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