JPH09299295A - Electric vacuum cleaner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an electric vacuum cleaner for improving a stable feeling at the time of erecting a vacuum cleaner main body and making a handle easily graspable at the time of erecting the handle freely rotatably provided on a main body upper surface further. SOLUTION: A lower leg 9 is provided on the lower part of a main body back surface, an upper leg 10 projected from the main body back surface is provided on a handle part 4b, a projection part 14 is provided on the upper leg 10 and a recessed part 15 to be fitted to the projection part 14 is provided on the main body back surface 6 further. In the case of erecting the vacuum cleaner main body 1, after fitting the projection part 14 and the recessed part 15, the lower leg 9 and the upper leg 10 are abutted to a floor surface. Also, the recessed parts 11 and 12 are formed at a position facing the handle part 4b on the upper surface of the vacuum cleaner main body 1 and on the front side of the handle part 4b, and in the case of erecting the handle 4, fingers are put in the recessed parts 11 and 12 and the handle part 4b is grasped.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electric vacuum cleaner having a carrying handle.

[0002]

2. Description of the Related Art FIG. 10 shows, for example, JP-A-5-30906.
11 is a plan view of the conventional electric vacuum cleaner disclosed in Japanese Patent Publication No.
FIG. 4 is a side view of a cross section of the relevant part.

In the figure, 1 is a cleaner body, 2 is an upper surface of the main body, 3 is a shaft provided to face the upper surface 2 of the main body, 4 is a shaft 3
A handle formed by a support portion 4a that is rotatably supported on the handle 4b and a handle portion 4b that connects the support portion 4a, 5 is a groove provided on the upper surface 2 of the main body, 6 is a rear surface of the main body, and 7 is a rear surface of the main body 6. The protrusions, 8 are rear wheels, and 13 are front wheels. Then, when the handle 4 is housed in the groove 5 and installed horizontally on the upper surface 2 of the main body, the grip portion 4b is provided so as to protrude from the rear surface 6 of the main body of the cleaner 1. Further, the projection 7 is provided below the laterally provided handle 4 on the rear surface 6 of the main body, and is provided so as to project rearward from the handle portion 4b.

In the electric vacuum cleaner constructed as described above, when the cleaner body 1 is erected on the floor surface, the rear wheel 8 and the protrusion 7 are brought into contact with the floor surface to erect the cleaner body 1. .
Further, when carrying the cleaner body 1, it was possible to carry the cleaner body 1 by grasping the grip portion 4b protruding from the back surface 6 of the body and erecting the handle 4.

[0005]

Since the conventional vacuum cleaner is constructed as described above, the distance L between the rear wheel 8 and the projection 7 that is in contact with the floor surface when the cleaner main body 1 is stood is sufficient. Therefore, it may become unstable, especially when it is inverted on an inclined surface or when the vacuum cleaner body 1 is subjected to some impact, and it may fall down. Further, in the conventional case, the handle 4b cannot be provided so as to project rearward from the protrusion 7,
There is a problem in that it is difficult to use a finger when the vertical handle 4 of the cleaner body 1 is placed upright, which makes it difficult to catch a finger from behind the handle 4b, that is, from the rear of the body.

The present invention has been made to solve the above problems. For example, when the electric vacuum cleaner is stored, the main body of the vacuum cleaner is inverted in a stable state, and the main body of the vacuum cleaner falls down. The purpose is to prevent the above, and also to make it easier to grasp the handle when carrying the cleaner body.

[0007]

An electric vacuum cleaner according to the present invention is provided on an upper surface of a cleaner body, and is installed vertically when the cleaner body is carried, and horizontally when cleaning or when the cleaner body is inverted. In an electric vacuum cleaner with a movable handle, the handle is provided with a leg that protrudes from the rear surface of the cleaner main body when installed horizontally, and the leg is installed when the handle is installed horizontally and the cleaner main body is inverted. It is designed to be brought into contact with the mounting surface.

Further, the handle has a support portion rotatably supported on the upper surface of the cleaner body and a handle portion connecting the support portion, and the handle portion is provided on the upper surface of the cleaner body in the vicinity of the handle portion. The recess is larger than the part.

Also, the leg portion is provided with a convex portion or a concave portion, and the rear surface of the cleaner body is provided with a concave portion or a convex portion which fits with the convex portion or the concave portion.

Further, a shaft for supporting the handle is provided on the upper surface of the cleaner body, and a bearing hole is formed in the handle as a long hole at a position facing the shaft, and the handle is movable in the longitudinal direction of the bearing hole. It is supported.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION

Embodiment 1. Embodiment 1 of the present invention will be described below with reference to FIGS. 1 to 6. 1 is a plan view of an electric vacuum cleaner showing a first embodiment, FIG. 2 is a sectional side view of an essential part, FIG. 3 is a sectional view of an essential part, and FIG. 4 is a perspective view showing a state in which a handle is gripped from the rear side. 5 is a perspective view showing a state where the handle is grasped from the front side, and FIG. 6 is a perspective view of the handle.

In the figure, 1 is a cleaner body, 2 is an upper surface of the main body, 3 is a shaft provided on the upper surface 2 of the main body, 4 is a support portion 4a rotatably supported by the shaft 3, and the support portion 4a is connected. Handle 5 formed by the handle portion 4b for holding the support portion 4a when the handle 4 is installed horizontally, 6 is a rear surface of the main body, 8 is a rear wheel, and 9 is a rear surface 6 of the main body.
Lower legs 10 provided on the lower portion and projecting rearward from the rear face 6 of the main body and the rear wheel 8a are upper legs provided on the handle portion 4b. When the handle 4 is installed horizontally, the lower leg 10 is rearward from the rear face 6 of the main body. It is provided so as to project. 11 is the upper surface 2 of the main body
Is a concave surface on the lower side of the handle, and is provided at a position facing the handle portion 4b when the handle 4 is installed horizontally. 1
Reference numeral 2 denotes a handle front concave surface provided in communication with the handle lower concave surface 11, and is provided in front of the handle portion 4b when the handle 4 is installed horizontally. Reference numeral 13 is a front wheel, 14 is a convex portion provided on the upper leg 10, and 15 is a concave portion provided on the rear surface 6 of the main body. The convex portion 14 and the concave portion 15 are fitted to each other to restrict the rotation of the handle 4. . Reference numeral 16 denotes a bearing hole provided in the support portion 4a, which is rotatably supported by the shaft 3 and is formed as an elongated hole so that the handle 4 can move back and forth.

In the vacuum cleaner constructed as described above, when the main body 1 of the vacuum cleaner is to be erected, the handle 4 is tilted to the upper surface 2 of the main body, the convex portion 14 provided on the upper leg 10 of the handle portion 4b and the rear surface 6 of the main body. After fitting the recessed part 15 of, the floor surface (mounting surface)
The upper leg 10 and the lower leg 9 are brought into contact with each other to invert the cleaner body 1.

Further, when carrying the cleaner main body 1, since the handle lower concave surface 11 is formed as shown in FIG. 4, by inserting a finger from the main body rear surface 6 side into the side handle lower concave surface 11, the handle portion 4b. Hold and raise the handle 4 to carry the cleaner body 1. Further, as shown in FIG. 5, the handle 4 can be erected by inserting a finger from the handle front concave surface 12 side and grasping the handle 4b.

It is generally known that, when the cleaner body 1 is in an upright position, the longer the distance between the upper leg 10 and the lower leg 9 in contact with the mounting surface is, the more stable it becomes. However, according to the first embodiment described above. The distance between the upper leg 10 provided on the handle 4 and the lower leg 9 provided on the lower portion of the back surface 6 of the main body may be made longer than the distance L between the rear wheel 8 and the protrusion 7 of the conventional vacuum cleaner described above. As a result, the sense of stability when the cleaner body 1 is raised is improved.

Further, concave surfaces 11, 12 are formed around the handle portion 4b.
Since it is formed, the finger can be wound around the handle portion 4b, and the handle portion 4b can be reliably gripped.

Further, when the cleaner body 1 is inverted,
Since the handle 4 is securely fitted and supported by the convex portion 14 and the concave portion 15, the handle 4 is prevented from coming off the cleaner main body 1 and the cleaner main body falling down.

Further, since the bearing hole 14 is formed as an elongated hole,
When the cleaner body 1 is stood, the load applied to the grip portion 4b is applied to the body rear surface 6 of the cleaner body 1, and the shaft 3 or the bearing hole 1
Prevent damage to item 4. Further, when gripping the handle of the handle 4 installed laterally, the handle 4 is pulled by utilizing the play of the bearing hole 14 formed in the elongated hole, and the hand is put in the space of the main body rear surface 6 and the handle 4b. Can hold 4b.

In the present embodiment, the lower leg 9 is provided so as to project rearwardly from the rear wheel 8, but the rear wheel 8 is provided so as to project rearwardly from the rear surface 6 of the main body.
May be used instead of.

Embodiment 2 The second embodiment of the present invention will be described with reference to FIGS. 7 to 9. 7 is a side view of essential parts of an electric vacuum cleaner according to a second embodiment of the present invention, FIG. 8 is a cutaway sectional view of essential parts showing a state in which a cleaner main body is erected on the floor, and FIG.
FIG. 4 is a perspective view of a handle.

In the figure, 1 is a cleaner main body, 2 is an upper surface of the main body, 3 is a shaft, 4 is a handle, 4c is a support portion rotatably supported by the shaft 3, and 4d is a support portion 4c. It is a cylindrical handle. The support portion 4c extends rearward of the main body rear surface 6 and is bent along the shape of the main body rear surface 6. Reference numeral 15 is a concave portion provided on the back surface 6 of the main body, 16 is a bearing hole provided in the support portion 4c, and 17 is a space portion provided between the top surface 2 of the main body and the handle 4, which is used when the horizontally arranged handle 4 is set up. It is possible to put a finger in the space 17 and grasp the handle 4d. Reference numeral 18 denotes an upper leg provided on the support portion 4c, and reference numeral 19 denotes a convex portion provided on the support portion 4c, which is fitted into the concave portion 15 on the rear surface 6 of the main body to restrict the rotation of the handle 4. A rear wheel 8 is provided so as to project rearward from the rear surface 6 of the main body.

In the vacuum cleaner constructed as described above, when the cleaner body 1 is set up, as shown in FIG. 8, the upper leg 18 is positioned above the shaft 3 and the cleaner body 1 is positioned above the shaft 3.
It is also possible to stand up, but to prevent the handle 4 from moving when the cleaner main body 1 is set up, the convex portion 19 of the support portion 4c is drawn in the concave portion 15 provided on the rear surface 6 of the main body at a distance t below the shaft 3. Even if an external force is applied when the cleaner body 1 is inverted, the handle 4 tries to move toward the shaft 3, so that the handle 4 does not fall off from the cleaner body 1. Further, when the cleaner body 1 is stood, the load applied to the upper leg 18 provided on the support portion 4c is applied to the body rear surface 6 of the cleaner body 1, and the shaft 3 or the bearing hole 14 is prevented from being damaged.

Further, since the space portion 17 for inserting a finger is provided between the handle portion 4d of the handle 4 and the upper surface 2 of the main body, the operation for gripping the handle portion 4d becomes easy. Further, the rear wheel 8 and the upper leg 18 come into contact with the floor surface (placement surface) when the cleaner body 1 is inverted, and the distance between them is long, so that a sense of stability is improved.

In the above embodiment, the concave portion is provided on the rear surface of the cleaner body and the convex portion is provided on the upper leg portion. However, the convex portion is provided on the rear surface of the cleaner body and the concave portion is provided on the upper leg portion. May be provided.

[0025]

Since the present invention is constructed as described above, it has the following effects.

Since the handle is provided with the leg portion that comes into contact with the mounting surface, a sufficient contact distance can be ensured when the cleaner body is inverted, and a sense of stability is improved.

Further, since the recess is provided on the upper surface of the cleaner main body in the vicinity of the side where the handle is provided, it is possible to easily grasp the handle by inserting a finger into the recess.

Further, since the convex portion or the concave portion is provided on the leg portion and the concave portion or the convex portion which fits with the convex portion or the concave portion is provided on the rear surface of the cleaner main body, the leg portion and the cleaner main body can be securely fixed. ,
Improves stability when the vacuum cleaner body is inverted.

Furthermore, since the bearing hole is formed as an elongated hole, the load of the cleaner body is not applied to the shaft when the cleaner body is inverted, so that the shaft can be prevented from being broken.

[Brief description of drawings]

FIG. 1 is a plan view of an electric vacuum cleaner showing a first embodiment of the present invention.

FIG. 2 is a cross-sectional side view of essential parts of the electric vacuum cleaner according to the first embodiment of the present invention.

FIG. 3 is a cross-sectional view of main parts of the electric vacuum cleaner showing the first embodiment of the present invention.

FIG. 4 is a perspective view showing a state where the handle of the electric vacuum cleaner according to the first embodiment of the present invention is held.

FIG. 5 is a perspective view showing a state where the handle of the electric vacuum cleaner according to the first embodiment of the present invention is held.

FIG. 6 is a perspective view of the handle according to the first embodiment of the present invention.

FIG. 7 is a side view of essential parts of the electric vacuum cleaner according to the second embodiment of the present invention.

[Fig. 8] Fig. 8 is a cutaway sectional view of essential parts of an electric vacuum cleaner according to a second embodiment of the present invention in a state in which a cleaner body is inverted.

FIG. 9 is a perspective view of a handle according to a second embodiment of the present invention.

FIG. 10 is a plan view of a conventional vacuum cleaner.

FIG. 11 is a sectional side view of a main part of a conventional electric vacuum cleaner.

[Explanation of symbols]

1 Vacuum cleaner main body, 2 Main body upper surface, 3 axis, 4 handle, 4a support part, 4b grip part, 4c support part, 4d
Handle part, 5 grooves, 6 main body rear face, 7 protrusions, 8 rear wheel, 9 lower leg, 10 upper leg, 11 handle lower concave face,
12 handle front concave surface, 13 front wheel, 14 convex portion, 15
Concave part, 16 bearing part, 17 space, 18 upper leg, 1
9 convex part.

Claims (4)

[Claims] 1. An electric vacuum cleaner having a rotatable handle, which is provided on an upper surface of a cleaner body, and which is erected when the cleaner body is carried and horizontally installed when cleaning or when the cleaner body is inverted. Is provided with a leg portion projecting from the rear surface of the cleaner main body when installed horizontally, and when the handle is placed horizontally to invert the cleaner main body, the leg portion is brought into contact with the mounting surface. A characteristic vacuum cleaner. 2. The handle has a support portion that is rotatably supported on the upper surface of the cleaner body, and a handle portion that connects the support portion, and the handle portion on the upper surface of the cleaner body is provided horizontally. The vacuum cleaner according to claim 1, wherein a concave portion larger than the handle portion is formed in the vicinity thereof. 3. The electricity according to claim 1, wherein the leg portion is provided with a convex portion or a concave portion, and the rear surface of the cleaner main body is provided with a concave portion or a convex portion that fits with the convex portion or the concave portion. Vacuum cleaner. 4. A shaft supporting a handle is provided on an upper surface of the cleaner body, and a bearing hole is formed in the handle at a position facing the shaft, and the handle has a longitudinal direction of the bearing hole. The vacuum cleaner according to any one of claims 1 to 4, wherein the vacuum cleaner is movably supported by the vacuum cleaner.