JPH0716192A - Upright type electric vacuum cleaner - Google Patents

Abstract

PURPOSE:To lessen the consumption of electricity and to prevent a temp. rise by lighting a lamp at the time of ordinary use and putting out the lamp at the time of using an attachment. CONSTITUTION:A circuit of the lamp 12 built in a floor nozzle 4 freely turnably supported in the body 1 closes a limit switch 13 when a hose cuff 7 disposed at the front end of a flexible hose 6 connected to the body 1 is mounted on the floor nozzle 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an upright type electric vacuum cleaner.

[0002]

2. Description of the Related Art Conventionally, in this type of vacuum cleaner, the lamp is generally in a constantly lit state.

[0003]

In the structure of the conventional electric vacuum cleaner as described above, even when the lower end of the flexible hose is detached from the floor nozzle portion and the attachment is connected for cleaning, the lamp is always operated. There is a problem that not only the electricity bill is wasted due to the lighting state, but also the temperature of the resin parts around the lamp rises too much because the air flow is not generated in the floor nozzle portion. .

An object of the present invention is to solve the above-mentioned problems. In normal use, the lamp is turned on, and when the attachment is connected and cleaning is performed, the lamp is automatically turned off. Is what you are trying to do.

[0005]

In order to achieve the above object, the first means of the present invention is to provide a switch provided near the floor nozzle pipe inside the floor nozzle at the lower end portion of the flexible hose. It is turned on and off by attaching and detaching the hose cuff.

The second means is that the floor nozzle pipe is made of an insulating material, the terminal of the lead wire for feeding the lamp is embedded in the floor nozzle pipe, and the hose cuff provided at the lower end of the flexible hose. Only the tip portion of is made of a conductive metal material and turned on and off by attaching and detaching the hose cuff.

[0007]

According to the first means configured as described above,
When the hose cuff is used as a normal upright type vacuum cleaner, that is, when the hose cuff is installed, the hose cuff pushes a switch to close the circuit and turn on the lamp. Then, the switch is opened and the lamp is turned off.

According to the second means, the basic operation is the same as that of the first means, but the terminals embedded in the floor nozzle pipe are short-circuited by the conductive metal material at the tip end by mounting the hose cuff. This is to close the circuit.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The first means will be described below with reference to FIG.

FIG. 1 is a sectional view of an essential part of an upright type electric vacuum cleaner, in which 1 is a cleaner main body (hereinafter referred to as a main body), a fan motor 2 is arranged in a lower portion, and a dust collecting chamber 3 is formed in an upper portion. is doing. A floor nozzle 4 is rotatably provided on the main body 1 and has a rotary brush 5 built therein. A flexible hose 6 connects the dust collecting chamber 3 and the floor nozzle 4, and a hose cuff 7 is provided at the lower end thereof. 8 is a floor nozzle 4
It is a floor nozzle pipe that is disposed inside and connects the hose cuff 7. Reference numeral 9 denotes a dust collecting bag arranged in the dust collecting chamber 3.
Reference numeral 10 denotes a belt that connects the motor shaft 2a integrally formed with the fan motor 2 and the rotating brush 5 to transmit the rotation. Reference numeral 11 denotes an exhaust port formed behind the fan motor 2 of the main body 1 in the air flow direction. Reference numeral 12 is a lamp arranged in the floor nozzle 4 and is connected in parallel from a power cord 14 to the fan motor 2 via a limit switch 13. The button portion of the limit switch 13 faces the tip end portion of the hose cuff 7 and is configured to be closed when the hose cuff 7 is attached. Reference numeral 15 is a reflector of the lamp 12. Reference numeral 16 is a handle provided on the upper end of the main body 1.

The operation of the above structure will be described. When the main body 1 is tilted by the handle 16 and the fan motor 2 is operated in the normal cleaning state of the carpet, the rotating brush 5 is rotated by the belt 10 to be lifted up from the carpet. Dust collected along with air from the hose 6 to the dust collection chamber 3
The clean air stored in the dust collecting bag 9 passes through the fan motor 2 and is discharged from the exhaust port 11. In this cleaning state, the hose cuff 7 is attached to the floor nozzle pipe 8 and the hose cuff 7 pushes the button portion of the limit switch 13, so that the circuit is closed and the lamp 12 is lit.

On the other hand, when cleaning a sofa, a shelf or the like using an attachment (not shown) or the like, the hose cuff 7 is detached from the floor nozzle pipe 8 and the attachment is attached to the tip of the hose cuff 7. When the hose cuff 7 is removed, the button of the limit switch 13 is released, the circuit is opened, and the lamp 12 is turned off.

As described above, when the first means is used as a normal upright type electric vacuum cleaner, that is, when the hose cuff 7 is mounted, the hose cuff 7 pushes the switch 13 to cause the circuit. When the attachment is in use and the hose cuff 7 is detached, the switch 13 is opened to turn off the lamp 12 to turn off the lamp 12, which not only eliminates the waste of electricity bills, but also causes the floor nozzle portion to be closed. It is possible to prevent the temperature rise of the resin parts around the lamp due to the disappearance of the flow.

Next, the second means will be described below with reference to FIGS. 2 and 3. The second means is that the contact point 13a is attached to the floor nozzle pipe 8 instead of the limit switch 13 of the first means, and the conductive metal ring 7a is arranged at the tip of the hose cuff 7, so that the hose cuff 7
The contact 13a and the conductive metal ring 7a are brought into contact with and separated from each other by attaching and detaching.

As described above, according to the second means, not only the contact mechanism can be constructed at a low cost, but also the stress at the tip of the hose cuff 7 which is received when the attachment is in use can be supported by the conductive metal ring 7a. It is possible to provide a high upright electric vacuum cleaner.

[0016]

As described above, according to the first aspect of the present invention, when the hose cuff is used as a normal upright type electric vacuum cleaner, that is, when the hose cuff is attached, the hose cuff operates the switch. Press to close the circuit to turn on the lamp, and open the switch to turn off the lamp when the hose cuff is detached when the attachment is used.This not only eliminates waste of electricity bills, but also creates airflow in the floor nozzle. It was possible to prevent the temperature rise of the resin parts around the lamp due to the disappearance.

According to the second means, not only can the contact mechanism be constructed at a low cost, but also the stress at the tip of the hose cuff, which is received when the attachment is in use, can be supported by the conductive metal ring. I was able to provide an electric vacuum cleaner.

[Brief description of drawings]

FIG. 1 is a sectional view of an essential part of an upright type electric vacuum cleaner according to an embodiment of the present invention.

FIG. 2 is a sectional view of a floor nozzle of an upright type vacuum cleaner according to another embodiment of the present invention.

FIG. 3 is a perspective view of a main part of the electric vacuum cleaner.

FIG. 4 is a perspective view of an upright electric vacuum cleaner.

[Explanation of symbols]

 1 Main Body 4 Floor Nozzle 6 Hose 7 Hose Cuff 7a Conductive Metal Ring 8 Floor Nozzle Pipe 12 Lamp 13 Limit Switch 13a Contact

Claims (2)

[Claims] 1. A main body having a fan motor built in below, a dust collecting chamber formed on the suction side, and an operating handle provided at the top, and the main body pivotally supported by the main body, and the bottom is opened at this opening. This flexible hose is equipped with a floor nozzle part that has a rotating brush and a built-in lamp, and a flexible hose that connects one end to the dust collection chamber and detachably connects the bottom end to the floor nozzle part. The upright electric vacuum cleaner which opens and closes the lighting circuit of the lamp by attaching and detaching the hose cuff at the lower end of the and the floor nozzle. 2. The upright electric vacuum cleaner according to claim 1, wherein a terminal is attached to the floor nozzle pipe, and only a tip portion of a hose cuff provided at a lower end of the flexible hose is made of conductive metal.