JP2019000344A - Vacuum cleaner - Google Patents

Abstract

To provide a vacuum cleaner having less load burden on a hose when the hose is stored.SOLUTION: A vacuum cleaner includes: a vacuum cleaner body 2 having a locked part A8; a hose 3 one end of which is connected to the vacuum cleaner body 2 and the other end of which has a suction grip part 5; an extension pipe 6 one end of which is connected to the suction grip part 5 and to the other end of which a floor suction tool 7 is connected; a hook 9 provided to the extension pipe 6 and locked on the locked part A8 when the cleaner is stored in a standing posture; a hooked part B20 provided at the rear end part of the suction grip part 5; and a hose hooking tool 4 fitted to the hose 3. The hose hooking tool 4 is provided with a hook part 15 for being detachably hooked on the hooked part B20 when the hose 3 is stored. The hook part 15 of the hose hooking tool 4 is hooked and locked on the hooked part B20 when the cleaner is stored in a standing posture and thereby weight load on the hose 3 from the hose hooking tool 4 is dispersed, so as to achieve the vacuum cleaner 1 the hose 3 of which has long lifespan.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a vacuum cleaner.

  In the conventional vacuum cleaner storage method, the main body of the vacuum cleaner is placed on the floor, and the engaging part of the pipe is fitted to the locked part provided on the main body of the vacuum cleaner. There is a stand storage for storing the vacuum cleaner so that the pipe stands upright.

  However, when the length of the hose is sufficiently secured for comfortable use of the vacuum cleaner, the hose is in a state of being greatly swollen in the conventional stand storage, so that the appearance is impaired and the storage space is expanded. There was a problem to do.

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

Japanese Patent Laid-Open 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 hooked member of the extension pipe by the hose hooking device, the end surface of the hose hooking device becomes the hose. There was a problem that a concentrated load was applied and the product life of the hose was reduced.

  This invention is for solving such a conventional subject, and it aims at providing the vacuum cleaner which reduces the concentrated load to a hose and has a long product life of a hose.

  In order to solve the above-described conventional problems, the electric vacuum cleaner of the present invention includes an electric blower and a vacuum cleaner main body having a locked portion A for storing a stand, and one end connected to the vacuum cleaner main body. A flexible hose having a suction gripping part at an end, an extension pipe having one end connected to the suction gripping part, a floor suction tool connected to the other end of the extension pipe, and provided in the extension pipe And a latching portion that is latched to the latched portion A when the stand is stored, a latching portion B provided at a rear end portion of the suction gripping portion, and a hose latch attached to the hose. And provided with a hooking portion that is detachably hooked to the hooked portion B when the hose is stowed when the hose is stowed. Hose from hose latching tool by hooking the stopper to the hooked part B of the suction gripping part The load is dispersed, it is possible to prevent a concentrated load to the hose, the product life of the hose can be realized longer vacuum cleaner.

  The vacuum cleaner of the present invention can disperse the load applied to the hose by the hose latch when the vacuum cleaner is housed, and can provide a vacuum cleaner having a long hose product life.

The right view of the electric vacuum cleaner in Embodiment 1 of this invention Right side view of the vacuum cleaner in the stored state Bottom perspective view of the main body of the vacuum cleaner Perspective view of extension tube of the vacuum cleaner Perspective view of hose latch of the vacuum cleaner Sectional view of section A in FIG.

  The first invention is a flexible vacuum cleaner body having a built-in electric blower and having a locked portion A for storing a stand, and one end connected to the vacuum cleaner body and a suction gripping portion at the other end. A hose, an extension pipe having one end connected to the suction gripping part, a floor suction tool connected to the other end of the extension pipe, and the extension pipe. And a hose latch attached to the hose, and a hose latch attached to the hose latch. It is provided with a latching part that is detachably latched to the latched part B when the hose is accommodated. When the hose is accommodated, the latching part of the suction gripping part is used as the latching part B of the suction gripping part. The load on the hose from the hose fasteners can be dispersed to concentrate the load on the hose. Since it is Gukoto, product life of the hose it is possible to realize a long vacuum cleaner.

  In the second invention, in particular, the inner peripheral surface of the hose latch that comes into contact with the outer peripheral surface of the hose when the hose latch 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 latch, the bent portion is not subjected to an excessive load, so that the hose life can be extended.

  In the third invention, in particular, in the axial direction of the hose in the portion where the latching portion is attached, a curved surface portion that is curved or raised on the surface that contacts the hose of the hose latching device of the first invention. A hose latch in a state in which a flat portion is provided and the curved portion and the flat portion are smoothly connected to each other so that the secondary moment of section is substantially constant. The internal stress applied to the connecting portion between the curved surface portion and the flat surface portion can be made substantially uniform, and the product life of the hose fastener can be prolonged.

  In the fourth invention, in particular, the hose according to any one of the first to third inventions has a helical steel wire, and a convex rib is provided on the inner peripheral surface of the hose latch that contacts the outer peripheral surface of the hose. A plurality of attachments, with the hose fasteners attached to the hose, at least one of the convex ribs enters 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 latch and the hose are about to slide, the convex ribs hang on the steel wire on the outer surface of the hose. Sliding can be prevented, and the fixing force between the hose latch and the hose can be improved.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. Note that the present invention is not limited to the embodiments.

(Embodiment 1)
1 is a right side view of the electric vacuum cleaner according to Embodiment 1 of the present invention, FIG. 2 is a right side view of the electric vacuum cleaner in a housed state, and FIG. 3 is a bottom surface of the main body of the vacuum cleaner. FIG. 4 is a perspective view of an extension tube of the vacuum cleaner, FIG. 5 is a perspective view of a hose stopper of the vacuum cleaner, and FIG. 6 is a cross-sectional view of section A in FIG. is there.

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

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

  The vacuum cleaner main body 2 includes an electric blower (not shown) that generates a suction force and a dust collecting part (not shown). Further, a locked portion A8 (see FIG. 3) is provided on the front surface of the bottom surface of the cleaner body 2.

  As shown in FIG. 2, when the vacuum cleaner 1 is stowed and stored with the back surface of the cleaner body 2 attached to the floor and the front face facing up, the locked portion A <b> 8 includes the extension pipe 6. Is formed 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 cleaner body 2 via the hose joint 10 and communicates with the dust collecting portion.

  At the time of storing the stand shown in FIG. 2, the hose latch 4 is attached to the hose 3.

  Further, a hooked portion B20 is provided at the rear end portion of the suction gripping portion 5, and a concave portion (not shown) for fitting the hook portion 15 (see FIG. 5) provided in the hose hooking tool 4 is provided. ) Is formed.

  By fixing the hook portion 15 (see FIG. 5) of the hose latch 4 to the recessed portion of the latched portion B <b> 20 at the rear end of the suction gripping portion 5, the bending of the hose 3 can be suppressed.

  The hose latch 4 is made of a synthetic resin having elasticity, such as polypropylene, and is attached to the hose 3.

  In FIG. 5, the hose latch 4 has a latching hook 11 that is latched at one end and a latching hole 12 of the overlapped latching part 11 at the other end. The connecting portion 18 that connects the curved belt member 14 and the flat belt member 17 of the hose retainer 4 is formed by smoothly connecting the shapes so that the secondary moment of section is substantially constant. The hose latch 4 is wound around and fixed to the hose 3 by the curved belt member 14, the flat belt member 17, and the connecting portion 18.

  Further, the inner peripheral surface of the curved belt member 14 is formed as a curved surface as shown in FIG. 6, and the outer peripheral surface of the flat belt member 17 is integrally formed with a hook portion 15 protruding in the axial direction of the hose 3 as a latching portion. Molded.

  Furthermore, a plurality of abutting ribs for increasing the winding holding force of the hose fastener 4 on the hose 3 by contacting the outer peripheral surface of the hose 3 on the inner peripheral surface of the curved belt member 14 and the flat belt member 17. 16 and a plurality of protruding ribs 19 protruding from the abutment rib 16 are formed.

  As shown in FIG. 1, the suction gripping part 5 has one end connected to the hose 3 and includes a plurality of switches (not shown) for the user to perform operations such as turning on and off the electric blower. Yes.

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

  Since the extension pipe 6 is detachable from the suction gripping part 5, the extension pipe 6 may be detached from the suction gripping part 5 and dust may be sucked from an opening (not shown) of the suction gripping part 5. It is also possible to remove the floor suction tool 7 from the extension pipe 6 and suck dust from the opening 6 a of the extension pipe 6.

  The effect | action by the vacuum cleaner in this Embodiment comprised as mentioned above is as follows.

  When the hose 3 is attached to the hooked part B20 of the suction gripping part 5 by the hose latch 4 and the hose 3 is stored, the load on the hose 3 from the hose latch 4 is dispersed 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 member 17 of the hose latch 4 easy to bend, the force required to widen the both ends of the hose latch 4 when the hose latch 4 is attached to the hose 3 is reduced. Can be attached and detached easily.

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

  In addition, since the curved band 14 having a curved shape is provided on the inner peripheral surface of the hose retainer 4 that comes into contact with the outer peripheral surface of the hose 3, When bending along the inner peripheral surface of the latch 4, an unreasonable burden is not applied to the bent portion, so that the life of the hose 3 can be extended.

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

  In addition, when the hose latch 4 is attached to the hose 3 and a force is applied to the hose 3 in the axial direction so that the hose latch 4 and the hose 3 try to slide, the convex rib 19 is formed on the outer periphery of the hose 3. It is possible to prevent the hose 3 and the hose latch 4 from sliding by being caught between the surface steel wires (not shown), and the fixing force between the hose latch 4 and the hose 3 can be improved.

  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.

  Since the vacuum cleaner according to the present invention can disperse the load applied to the hose by the hose latch when the vacuum cleaner is housed, the product life of the hose is extended. Various vacuum cleaners using the hose Widely applicable to.

DESCRIPTION OF SYMBOLS 1 Electric vacuum cleaner 2 Vacuum cleaner main body 3 Hose 4 Hose latch 5 Suction holding part 6 Extension pipe 6a Opening part 7 Floor suction tool 8 Locked part A
8a Concave part 9 Hook (locking part)
DESCRIPTION OF SYMBOLS 10 Hose coupling 11 Superposition | locking latching part 12 Latch hole 13 Latch hook 14 Curved surface band (curved surface part)
15 Hook part (hanging part)
16 Abutment rib 17 Plane belt (plane part)
18 connecting portion 19 convex rib 20 hooked portion B

Claims (4)

A vacuum cleaner body having a built-in electric blower and having a locked portion A for storing a stand, a flexible hose having one end connected to the vacuum cleaner body and having a suction gripping portion at the other end, An extension pipe connected to the suction gripping part, a floor suction tool connected to the other end of the extension pipe, and a latch provided on the extension pipe and locked to the locked part A when the stand is stored. A stop portion, a hooked portion B provided at the rear end of the suction gripping portion, and a hose hook attached to the hose. The vacuum cleaner which provided the latching | locking part which detachably latches on the latching | hanging part B. The electric vacuum cleaner according to claim 1, wherein an inner peripheral surface of the hose retainer that comes into contact with an outer peripheral surface of the hose when the hose retainer is attached to the hose has a curved surface or a raised shape. A curved surface or a raised curved surface is provided on the surface of the hose latching tool that comes into contact with the hose, and a flat surface portion is arranged in the axial direction of the hose where the latching portion is attached. The vacuum cleaner according to claim 1, wherein the shape is smoothly connected to each other so that the second moment of section is substantially constant. The hose has a spiral steel wire, a plurality of convex ribs are attached to the inner peripheral surface of the hose latch that contacts the outer peripheral surface of the hose, and the convex hose is attached to the hose. The vacuum cleaner according to any one of claims 1 to 3, wherein at least one of the ribs enters between the steel wires on the outer peripheral surface of the hose.

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