JPS60261421A - 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.

2. Description of the Related Art Conventional Structures and Problems There have been conventionally known vacuum cleaners equipped with rotating brushes for separating dust adhering to surfaces to be cleaned from surfaces to be cleaned.

The structure will be explained based on FIG. 1. In the figure, 1 is a vacuum cleaner main body, and an electric blower 2
is installed inside. Reference numeral 3 denotes a floor nozzle which is rotatably attached to the tip of the vacuum cleaner body 1. A rotary brush 4 is rotatably supported inside the floor nozzle by a bearing 5. be rotated. The dust separated from the surface to be cleaned by the rotating brush 4 is removed from the suction port 8.
The dust passes through the suction passage 9 and is sucked into the dust collection chamber 11 configured below the filter 1o.

The conventional vacuum cleaner described above has the disadvantage that it is not possible to clean the corners of the floor because it is structurally impossible to position the rotating blade 4 all the way to both sides of the floor nozzle 30.

This drawback is particularly noticeable in cleaning machines that use a rotating brush for cleaning. That is, because the corners around the room cannot be cleaned sufficiently, after a long period of use, there is a noticeable difference between the cleaned surfaces and the uncleaned surfaces.

OBJECTS OF THE INVENTION In view of the above-mentioned drawbacks of the prior art, the present invention attempts to clean corners of a room that cannot be cleaned by vacuum suction.

Therefore, when the suction hose is removed from the vacuum cleaner body, the rotation of the rotating brush is automatically stopped, and even if the main body is stationary, the rotating brush will damage the same floor surface (with 100% sulfur). The present invention provides an extremely practical vacuum cleaner that has the feature that no problems occur.

Structure of the Invention In order to achieve this object, the vacuum cleaner of the present invention transmits the rotational force of an electric blower housed in the vacuum cleaner body to a rotating brush provided in a floor nozzle via a power transmission shaft. In the driving configuration, the connecting means for connecting the motor shaft and the power transmission shaft is selectively switched between the rotary brush and the suction hose 1, which constitutes a separate passage.

DESCRIPTION OF EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. 2 to 8, 12 is a vacuum cleaner body, 13 is a floor nozzle rotatably connected to the vacuum cleaner body 12, and 14 is a handle attached to the vacuum cleaner body 12. An electric blower 16 is supported inside the vacuum cleaner main body 12 via a support rubber 16, and is configured to drive a motor belt 17. The other end of the motor belt 17 is hung around a pulley 18 and transmits rotational force to a power transmission shaft 19 made of a flexible wire or the like. It is a 2° hatast box with a built-in filter 21. 22 is the vacuum cleaner body 1
2, and the υ floor nozzle 13 and the vacuum cleaner main body 12 are rotatably attached to the rotating shaft 23.

The power transmission shaft 19 is an intermediate shaft 2 provided in the floor nozzle 13.
4 and drives the rotary plan 26 via the rotary graph/belt 26. The connecting pipe 22 is provided with a rotation plan side suction port 27 and a hose side suction port 28 . A missing nozzle side plate 13aK hose connecting pipe 2Q is provided to cover the outside of the hose side suction port 28, and the other end of this hose connecting pipe 29 faces the hose connecting pipe 31 via a partition plate 3o.

A communication port 32 is provided in the partition plate 3o, and the hose connection pipe 2
It functions to open and close the air passage between the hose connection pipe 31 and the hose connection pipe 31 facing the pipe 9. 33 is a knob provided on the partition plate 30;
This is for moving the partition plate 3o in the direction of the arrow in FIG. Reference numeral 34 denotes a suction hose connected to the hose connection pipe 31, and constitutes a passage separate from the rotating brush 26. 36 is a rotating brush chamber. Next, the connection means for connecting the motor shaft 43 and the power transmission shaft 19 and its selective switching mechanism will be explained in more detail based on FIGS. 7 and 8. 18A is a transmission pulley, 18B is a transmission pulley. It is a idling pulley. Reference numeral 37 denotes a support fitting that rotatably supports the pulley 18.

The other end of the hose holder 38 is integrally formed with a clutch lever 39 that engages with the motor belt 17, and is rotatably attached to a hose holder support shaft 40. 41 is a hose holder spring that urges the clutch lever 39 side of the hose holder 38 downward; 42 is a hose cap that is detachably engaged with the hose holder 38; and 43 is a motor belt 17.
This is the motor shaft with

The operation of the vacuum cleaner configured as above will be described below.

In the case of FIG. 7, in which the hose cap 42 integrated with the hose 34 is hung on the hose holder 38, the clutch lever 39 positions the motor belt 17 on the transmission gear I718A side. In this state, the power transmission shaft 19 integrated with the transmission boo 1J18A rotates and transmits the rotational force of the motor shaft 43 to the rotating brush 26. Therefore, cleaning can be performed using the normal rotating brush 26.

On the other hand, as shown in FIG. 8, when the hose cap 42 is detached from the hose holder 38, the force of the hose holder spring 41 causes the clutch lever 39 to move downward in the figure. Therefore, the motor belt 17 is
It becomes connected to 718B. Since the idle pulley 18B is not connected to the power transmission shaft 19, the rotational force of the motor shaft 43 is not transmitted to the rotating brush 26. Here, if the partition plate 30 is moved by the knob 33 and the rotating brush side suction port 27 is closed, the hose connection pipe 31 and the hose connection pipe 29 are connected through the communication port 32, and the hose 34 is connected to the hose connection pipe 31 and the hose connection pipe 29 through the communication port 32. It is capable of suctioning dust. Therefore, the hose 34 can be used to clean the surrounding corners of the room, and the cleaning problems caused by the rotating brush 26 can be solved. maintains the cleaning effect of the conventional floor nozzle with a built-in rotating brush, while solving the disadvantage of not being able to clean corners with a hose, and also automatically attaches and detaches the hose. Since the drive and stop of the rotating brush can be controlled, it has the effect of not damaging the floor.

[Brief explanation of drawings]

Fig. 1 is a sectional view from the front of a conventional vacuum cleaner, Fig. 2 is a sectional view from the side of a vacuum cleaner according to an embodiment of the present invention, Fig. 3 is a sectional view from the front, and Fig. 4 is a sectional view from the front. The figure is an enlarged sectional view of the same main part, Figure 5 is an enlarged sectional view of Figure 3 taken by Mu X-rays,
FIG. 6 is a perspective view of the main parts, FIG. 7 is a cross-sectional view of the hose cap being hung on the hose holder, and FIG. 8 is a cross-sectional view of the hose cap being removed from the hose holder. 12... Vacuum cleaner body, 13... Floor nozzle, 15... Electric blower, 17... Electric motor belt, 18... Pulley, 19... Power Transmission shaft, 2
6...Rotating brush, 34...Hose, 38...
...Hose holder, 43 ...Motor shaft. Name of agent: Patent attorney Toshio Nakao and 1 other person No. 1
Figure 5 45 Figure 2, Figure 3, Figure 6, Figure 7, Figure 7, 9) Figure 8.

Claims (1)

[Claims] A floor nozzle with a built-in rotating brush, a vacuum cleaner body rotatably connected to the floor nozzle, a suction hose forming a passage separate from the rotation plan, and an electric motor housed in the vacuum cleaner body. A power transmission shaft that transmits rotational force of a motor shaft of a blower and an electric blower to the rotating brush, a connecting means that connects the motor shaft and the power transmitting shaft, and a connecting means that can be selectively connected to and removed from the hose. A vacuum cleaner consisting of a mechanism that switches between