JPH03224528A - Upright type vacuum cleaner - Google Patents

Abstract

PURPOSE:To eliminate a careless overturn and to obtain a stable upright supporting state by forming plane parts which are joined to each other at the time when a cleaner main body is positioned in a roughly vertical state against a floor nozzle, in the cleaner main body and a connecting pipe. CONSTITUTION:In the upright type vacuum cleaner, in both inside walls of a recessed part 5 in a nozzle main body 1 and a connecting pipe 6, plane parts 11, 12 which are joined to each other at the time when a cleaner main body 9 is turned to a roughly vertical position are formed. Accordingly, when a cleaning work is discontinued, or in the case the work itself is not executed, the cleaner main body 9 can be erected to a roughly vertical state, the connecting pipe 6 is also displaced to a vertical state, and its plane part 12 is joined to the plane part 11 of the recessed part 5 in the cleaner main body 9. In such a manner turning of the cleaner main body 9 is obstructed in this place, it does not occur that its centroid is shifted carelessly, and a stable upright supporting state is obtained.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to an upright vacuum cleaner having a floor nozzle connected to the lower end of the vacuum cleaner body on the intake side.

BACKGROUND ART Conventionally, in this type of upright vacuum cleaner, the main body of the vacuum cleaner is set to be tiltable up and down with respect to the floor nozzle so that, for example, under the bed can be cleaned accurately. This allows it to be displaced in the circumferential direction as well, so that no load is placed on the wrist or the like. Furthermore, in order to use the upright type vacuum cleaner, when cleaning work is interrupted or when not in use, the vacuum cleaner body is held approximately upright with respect to the floor nozzle, and is made to stand on its own through the floor nozzle.

Problems to be Solved by the Invention However, in the above configuration, when the upright vacuum cleaner is in a self-supporting state, the vacuum cleaner body may be displaced in the circumferential direction. As is well known, the vacuum cleaner body contains heavy objects such as a fan motor, and therefore, such displacement in the circumferential direction of the vacuum cleaner body causes the center of gravity to shift, resulting in accidental falls, etc. was occurring.

The present invention solves these conventional problems and provides an upright vacuum cleaner that can be reliably maintained on its own.

Means for Solving the Problems The means of the present invention for achieving the above object consists of a vacuum cleaner body having a fan motor, a dust collector, etc. therein, and a floor connected to the lower end of the vacuum cleaner body on the intake side. The floor nozzle includes a nozzle body, a joint body connected to the rear part of the nozzle body so as to be freely tiltable, and the floor nozzle is attached to the joint body so as to be rotatable in the circumferential direction, and is inserted into the lower end of the vacuum cleaner body on the suction side. The vacuum cleaner main body and the connection pipe are formed with flat parts that join together when the vacuum cleaner main body is positioned substantially perpendicular to the floor nozzle.

Function According to the configuration of the present invention, when the vacuum cleaner main body is positioned substantially perpendicular to the floor nozzle, the flat part formed on the vacuum cleaner main body and the connecting pipe join together, and the vacuum cleaner main body is moved in the circumferential direction of the vacuum cleaner main body. Displacement is prevented. Also, if you tilt the vacuum cleaner body diagonally,
Since the connection between these plane parts is eliminated, the vacuum cleaner main body can be displaced in the circumferential direction as desired.

Example Embodiments of the present invention will be described below with reference to the accompanying drawings.

In FIGS. 1 to 3, a nozzle body 1 has an agitator and a driving motor built therein, and has a pair of wheels 2 at the rear and a joint body 3 between them. This joint body 3 can move up and down with respect to the nozzle body 1.
That is, they are connected so as to be able to rise and fall freely, and a cylindrical portion 4 is formed to protrude from a portion of the rear portion thereof. Also, the nozzle body 1
A concave portion 5 is set in the portion where the joint body 3 is located. Reference numeral 6 denotes a connecting pipe which is externally fitted onto the cylindrical portion 4 and is rotatably connected in the circumferential direction. The rotation range of this connecting pipe is regulated by a rib 7 formed at a constant angle on the outer periphery of the connecting pipe coming into contact with a protrusion 8 provided at a distance from the outer periphery of the cylindrical portion 4.

On the other hand, the vacuum cleaner main body 9 has a fan motor, a dust collector, etc. therein, and a handle 10 is formed above. The connecting pipe is connected to the lower end of the vacuum cleaner main body 9.

Both inner walls of the concave portion 50 in the nozzle body 1 and the connecting pipe are formed with flat portions 11 and 12 which are joined to each other when the cleaner body 9 is rotated to a substantially vertical position.

In the above configuration, during normal cleaning work, the cleaner body 9 is located diagonally rearward with respect to the floor nozzle body 1, and can be displaced in the circumferential direction or in the upward and downward direction depending on the cleaning conditions. can also be done arbitrarily. Further, when the cleaning work is interrupted or when the work itself is not being performed, the cleaner main body 9 is raised to a substantially vertical position. Along with this, the connecting pipe is also displaced to a vertical position, and its flat portion 12 joins to the flat portion 11 of the concave portion 5 in the cleaner body 9. Therefore, the rotation of the cleaner body 9 is prevented at this point, and the center of gravity of the cleaner body 9 is prevented from shifting inadvertently.

Effects of the Invention As described above, the present invention forms flat parts on the vacuum cleaner body and the connecting pipe that connect to each other when the vacuum cleaner body is positioned approximately perpendicular to the floor nozzle, so that the cleaning work is not interrupted. When the vacuum cleaner main body is placed in a substantially vertical state in such cases, displacement of the vacuum cleaner main body in the circumferential direction is forcibly prevented by the joining of the flat parts, and deviation of the center of gravity is prevented. Therefore, there is no risk of injury or impact damage due to an accidental fall, and a stable upright support state can be obtained as an upright vacuum cleaner. Furthermore, during normal cleaning work, the vacuum cleaner main body can be moved not only in the vertical direction but also in the circumferential direction, making it extremely easy to use.

[Brief explanation of drawings]

FIG. 1 is a perspective view of essential parts of a floor nozzle showing an embodiment of the present invention;
FIG. 2 is an overall perspective view of the upright vacuum cleaner, and FIG. 3 is an exploded perspective view of the connecting portion between the floor nozzle and the vacuum cleaner body. DESCRIPTION OF SYMBOLS 1... Nozzle main body, 3... Joint body, 6... Connection pipe 9... Vacuum cleaner main body, 11.12... Plane part.

Claims (1)

[Claims] The vacuum cleaner body has a fan motor, a dust collector, etc. inside, and a floor nozzle connected to the lower end of the vacuum cleaner body on the intake side. It consists of a connected joint body and a connecting pipe that is rotatably attached to the joint body in the circumferential direction and is inserted into the lower end intake side of the vacuum cleaner body. An upright vacuum cleaner that has flat parts that join together when the main body of the vacuum cleaner is placed in a substantially vertical position.