JPS60100924A - Electric cleaner - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a vacuum cleaner equipped with a rotating brush for removing dust attached to a surface to be cleaned.

Configuration of Conventional Example and Problems 1-5 Conventionally, vacuum cleaners equipped with a rotating brush that separates dust adhering to the surface to be cleaned from the surface to be cleaned have been known.

The structure will be explained based on FIG. 1. In the figure, 1 is a vacuum cleaner main body, and 5 an electric motor 2 is installed inside the vacuum cleaner main body 1. Reference numeral 3 denotes a floor nozzle, and a rotary brush 4 is rotatably mounted inside the floor nozzle, and is rotated by a five-rotation brush electric motor and a belt 7. The dust separated from the surface to be cleaned by the rotating brush 4 passes through the suction passage 9 from the suction port 8 to the dust collection chamber 11 configured below the filter 10.
be sucked into.

However, in the above configuration, since there are two electric motors, an electric blower and a rotary brush electric motor, the weight becomes heavy and the cost increases. Also, is there a disadvantage that the floor nozzle becomes larger to accommodate the rotating brush electric motor? had.

In addition, vacuum cleaners with an electric blower installed inside the bottom of the vacuum cleaner body and a rotating brush driven by the electric blower are also used, but in this case, the electric blower's position 3--゛ rotates. Since the brush is driven, it is fixed at the bottom of the vacuum cleaner body, and the structure requires a hose to be connected from the suction port to the dust collection chamber and suction from the top to the bottom, resulting in a long distance and large loss. Met.

Purpose of the Invention In view of the above-mentioned drawbacks, the present invention has been developed to reduce the weight and cost by driving the blower and the rotating brush entirely with one electric motor, and to shorten the suction distance. To provide a vacuum cleaner that can be freely switched.

Structure of the Invention In order to achieve this objective, the vacuum cleaner of the present invention uses power from an electric blower to a rotating brush. It has a power transmission shaft such as a flexible wire to transmit power, and a power transmission pulley and an idler pulley are installed on the electric blower side of this power transmission shaft.
With Lee? A bell provided between these pulleys and the shaft of the electric blower can be selectively replaced with the pulley.

With this configuration, a single electric motor can blow air and drive the rotating brush, eliminating the need for a rotating brush electric motor.
Weight and cost can be reduced, and the rotating brush can be freely driven and stopped by replacing the belt k with the power transmission pulley and idler pulley.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

In FIGS. 2 to 6, 12 is a vacuum cleaner body.

13 is a floor nozzle.

An electric blower 14 is installed vertically in the upper part of the vacuum cleaner main body 12, and a first shaft 16 is supported by a first bearing 17 in parallel with the electric blower shaft 15. An electric blower pulley 18 is attached to the electric blower shaft 16, a power transmission pulley 19 and an idler pulley 20 are attached to the first shaft 16, and a bushing 21 is installed inside the idler pulley 20. It idles on one axis 16. Electric blower 1
A first belt 22 is passed between the belt 56 and the first shaft 16, and a power transmission pulley 19 is connected by a switching lever 23.
and the idler pulley 20 can be selectively replaced.

A power transmission shaft 24 such as a flexible wire is attached to the lower end of the first shaft 16, and the power transmission shaft 24 passes through the inside of the cleaner body 12 and is rotatably mounted inside the floor nozzle 13. It is connected to a second shaft 26 provided parallel to the rotating brush 25. The second shaft 26 is the second bearing 2
7 and attached to the second shaft 26
A second belt 30 is passed around the shaft pulley 28 and the rotating brush pulley 29.

Further, the handle 31 is provided with a hand switch knob 32 and a switch 33, and a switching lever 23 is connected to the first hand switch knob 32.

Note that the vacuum cleaner main body 12 and the floor nozzle 13 are connected through a connecting pipe 34.
A filter 36 is provided inside the cleaner body 12, and a dust collection chamber 36 is configured below the filter 36.

6・− About the vacuum cleaner configured as above.

The operation will be explained below.

When the hand switch knob 32 is in the center, switch 33
is in the OFF state. Here, hand switch knob 3
2 is turned down, the switch 33 is turned on, and at the same time, the first belt 22 is hooked onto the power transmission pulley 19 by the switching lever 23. In this state, the output of the electric blower 14 is transmitted from the electric blower shaft 15 to the electric blower IJ-1.
8. First belt 22. The power is transmitted from the first shaft 16 to the power transmission shaft 24 via the power transmission pulley 19 . Here, the rotational speed of the electric blower 14 is reduced. The power transmitted to the power transmission shaft 24 rotates the rotary brush 25 from the second shaft 26 via the second shaft pulley 28, the second belt 30, and the rotary brush pulley 29. The dust separated from the surface to be cleaned by the rotating brush 25 is
It is sucked in through the connecting pipe 34 and collected in the dust collection chamber 36 below the filter 36.

Also, if the 1st hand switch knob 32 is turned up.

71.-2. The switch 33 is turned on, and at the same time, the first belt 22 is applied to the idler pulley 20 by the switching lever 23. In this state, the output of the electric blower 14 is transferred from the electric blower shaft 15 to the electric blower pulley 18. first belt 2
2 to the idler pulley 20, where the first shaft 16 and the idler pulley 20 are connected to the bush 21.
Since the rotating brush 25 idles, no power is transmitted to the single-rotation brush 25, and cleaning can be performed with the rotating brush 25 stopped.

As described above, according to this embodiment, by transmitting power from the electric blower 14 to the rotating brush 25 using the entire power transmission shaft 24, the electric blower 14 can be placed vertically and the vacuum cleaner body can be made thinner. Since the electric blower 14 can still be installed in the upper part of the vacuum cleaner main body 12, the distance from the suction port to the dust collection chamber 361 can be shortened to reduce the cost lost on the way. Further, since the rotating brush 26 can be driven by the electric blower 14, an electric motor for driving the rotating brush is not required.

JP-A-100924(3) Furthermore, a power transmission pulley 19 and an idler pulley 2° are provided on the electric blower side of the power transmission shaft 24, and the belt 22 is connected to the switching L/bar 23 linked to the hand switch knob 32. By changing the brush, the rotating brush 26 can be stopped and rotated using the hand-held operation unit depending on the condition of the surface to be cleaned.

Effects of the Invention As described above, the vacuum cleaner of the present invention transmits power from an electric blower to a rotating brush using a power transmission shaft, and a power transmission pulley and an idler pulley are provided on the electric blower side of the five power transmission shafts. By changing the bell between the pulley and the shaft of the electric blower, the rotating brush can be freely switched and used. Also, since the belt is replaced, the structure is reasonable and does not require any special movable members. I installed the electric blower completely vertically, assembled the entire vacuum cleaner body, shortened the suction distance, and lost money along the way? With a reduced configuration, it is also possible to drive the rotating brush with an electric blower. Furthermore, an electric motor for driving the rotating brush is unnecessary, and weight and cost can be reduced.

[Brief explanation of drawings]

FIG. 1 is a sectional view from the front of a conventional vacuum cleaner, FIGS. 2 to 6 show a vacuum cleaner according to an embodiment of the present invention, FIG. 2 is a side sectional view thereof, and FIG. The figure is a sectional view of the front, FIG. 4 is a detailed sectional view showing the power transmission part on the electric blower side, and FIG. 5 is a sectional view of the hand-operated part. 14... Electric blower, 19... Power transmission pulley, 2o... Idler pulley, 23
...Switching lever, 24...Power transmission shaft,
26...Rotating brush. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 0 Figure 2 30 Figure 3 Figure 4 Figure 5

Claims (1)

[Claims] (1) A vacuum cleaner body with a built-in electric blower, a floor nozzle with a built-in rotating brush rotatably attached to the vacuum cleaner body, and a power transmission shaft that transmits the rotation of the electric blower to the rotating brush, A vacuum cleaner in which a power transmission pulley and an idler pulley are provided on the electric blower side of the power transmission shaft, and a belt tractor provided between these pulleys and the electric blower shaft can be selectively replaced with the pulley. (Rumor) The vacuum cleaner according to claim 1, in which belt replacement is performed using a hand-held operation unit.