JP2000051125A - Cleaner head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaner head unit with two heads which can be switched from one head to the other easily by simple operation without removing the heads and which can shorten the period of time necessary for cleaning. SOLUTION: This cleaning head unit has a suction cylinder 3 communicating with a vacuum source and a first head and a second head at the end of the suction cylinder 3. Communication through the suction cylinder 3 between the first head and the vacuum source or between the second head and the vacuum source can be switched. The first head is the head for flat floors, and the second head for gaps.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vacuum cleaner head, and more particularly to a vacuum cleaner head mainly used at home, which can be easily switched between two heads without removing the head.

[0002]

2. Description of the Related Art Conventionally, a vacuum cleaner mainly used at home includes a flat portion head for cleaning a floor,
Heads suitable for each place, such as a head for a narrow portion for cleaning a gap between furniture and a wall, etc., have been prepared, and these heads have been replaced and used.

[0003] However, it is troublesome to remove or attach each head during actual cleaning, and if the head is not stored in one place, it takes time and effort to search for a desired head. It took a long time.

[0004]

SUMMARY OF THE INVENTION Accordingly, the present invention has been made in view of the above-mentioned problems of the conventional vacuum cleaner head, and is intended to be used by simply switching the two heads by a simple operation without removing the two heads. It is an object of the present invention to provide a vacuum cleaner head which can reduce the time required for cleaning.

[0005]

According to the first aspect of the present invention,
A vacuum cleaner head, comprising: a suction cylinder communicating with a vacuum source; and a first head and a second head at an end of the suction cylinder, wherein the first head or the second head is provided through the suction cylinder. The communication with the vacuum source can be switched.

The invention according to claim 2 is characterized in that the first head is a flat portion head and the second head is a narrow portion head.

According to a third aspect of the present invention, when the narrow portion head slides in the suction tube and the narrow portion head is used, the narrow portion head is moved from the opening of the suction tube. It is characterized by protruding outside.

According to a fourth aspect of the present invention, the narrow portion head is rotatably mounted on the flat portion head, and an opening and a protrusion provided in a rotating portion of the narrow portion head are provided. The communication between the narrow section head or the flat section head and the vacuum source can be switched by a partition formed inside the flat section head.

According to the first aspect of the present invention, a suction tube communicating with a vacuum source, a first head and a second head at an end of the suction tube are provided, and the first and second heads are provided via the suction tube. Since the communication between one head or the second head and the vacuum source can be switched, the two heads can be switched and used without removing them, and the time required for cleaning can be reduced.

According to the second aspect of the present invention, the communication between the head for the flat portion or the head for the narrow portion and the vacuum source can be switched via the suction tube, so that the two heads can be switched and used without being removed. And the time required for cleaning can be reduced.

According to the third aspect of the present invention, when the head for the narrow portion slides in the suction tube and the head for the narrow portion is used, the head for the narrow portion is moved from the opening of the suction tube. Since the two heads protrude outside, the two heads can be switched and used by a simple operation without removing the two heads.

According to the fourth aspect of the present invention, the head for the narrow portion is rotatably fixed to the head for the flat portion, and the opening and the projection provided in the rotating portion of the head for the narrow portion; Since the communication between the head for the narrow portion or the head for the flat portion and the vacuum source can be switched by a partition formed inside the head for the flat portion, the two heads can be switched by a simple operation without removing the two heads. Can be used.

[0013]

Next, a specific example of an embodiment of a cleaner head according to the present invention will be described with reference to the drawings.

FIG. 1 is a schematic view showing a first embodiment of a cleaner head according to the present invention. In this embodiment,
The head 1 for the flat part and the head 2 for the narrow part are switched and used.

The flat portion head 1 is a commonly used flat portion head having a horizontally wide suction port. In the present invention, the flat portion head 1 is formed integrally with the suction tube 3 and is formed integrally with the suction tube 3.
It is not removed from.

On the other hand, the narrow portion head 2 is a normal narrow portion head having a cylindrical body and a tip portion formed in a narrow sword shape. It is held so that it can slide.

The suction cylinder 3 communicates with a vacuum source (not shown),
The narrow portion head 2 is accommodated therein, and an opening / closing valve 4 for taking the narrow portion head 2 in and out is provided at the bottom of the suction tube 3 near the flat portion head 1. Further, as a mechanism for taking the head 2 for a narrow part out of the on-off valve 4, a groove 3 a extending in the axial direction is formed in the suction cylinder 3, and the suction cylinder 3 is moved along the groove 3 a. A rubber plate 5 (FIG. 2) is adhered inside. still,
An airtight state is secured between the outer surface of the cylindrical portion of the narrow portion head 2 and the inner surface of the suction tube 3.

On the other hand, as shown in FIG. 2, a handle 2a is erected on the surface of the head 2 for a narrow portion.
Is inserted into the rubber plate 5 and the groove 3a and protrudes from the suction cylinder 3 to the outside. By moving the handle 2a along the groove 3a, the narrow portion head 2 slides inside the suction tube 3.

As shown in FIG. 3, a notch 3b is formed in the groove 3a at a predetermined interval in a direction perpendicular to the direction in which the groove 3a extends, and a handle 2a is attached to the notch 3b. By the insertion, the movement of the groove 3 a in the extending direction is hindered, and the narrow portion head 2 can be fixed in the suction cylinder 3.

As shown in FIGS. 4 and 5, the on-off valve 4 is
It is always urged by a spring 6 in the closing direction, and when the narrow portion head 2 is not used, the on-off valve 4 is closed. When the head 2 is lowered for use, the on-off valve 4 is opened, and the tip of the head 2 for a narrow part appears outside. Note that a packing 8 is provided around the opening 7 in order to ensure an airtight state when the on-off valve 4 is closed.

With the above-described structure, when the flat portion head 1 is used, the narrow portion head 2 is housed inside the suction tube 3 and the on-off valve 4 is closed. 3
Through which the suction port of the flat part head 1 communicates with the vacuum source,
Cleaning by the flat part head 1 becomes possible.

On the other hand, when the narrow head 2 is used, the narrow head 2 is made to protrude from the on-off valve 4 to the outside.
The suction port of the flat part head 1 communicates with the vacuum source via the suction cylinder 3. To adjust the protruding length of the narrow portion head 2, the handle 2a may be moved and inserted into the notch 3b. At this time, the outer surface of the narrow portion head 2 and the inner surface of the suction cylinder 3 are kept airtight, and the rubber plate 5 is provided along the groove 3a. The inlet does not communicate with the vacuum source.

FIGS. 6 to 9 are schematic views showing a second embodiment of the cleaner head according to the present invention. In this embodiment, the flat portion head 11 and the narrow portion head 12 are switched. Is done.

As shown in FIGS. 6 and 7, the flat portion head 11 is a commonly used flat portion head having a suction port formed to be wide and horizontally long. It is formed integrally and is not removed from the suction tube 13. In addition, inside the flat portion head 11, FIG.
As shown in FIG. 9 and FIG. 9, a partition wall 11a is provided, and functions to prevent communication between the narrow section head 12 and the vacuum source when the flat section head 11 is used, as described later.

On the other hand, the narrow portion head 12 is a normal narrow portion head having a cylindrical body and a narrow sword-shaped tip, and a rotating portion 12a at the end. Be provided.
The rotation shaft 12a is rotatable around a support shaft 14 fixed to the flat portion head 11, and this rotation allows the entire narrow portion head 12 to be rotatable in the Y direction. Further, the rotating shaft 12a is provided with an opening 12b and a protruding portion 12c.

The suction tube 13 communicates with a vacuum source, and one end of the suction tube 13 is provided with the flat portion head 11.

FIG. 8 is a cross-sectional view of the flat portion head 11 in use. In this state, the flat portion head 1
1 is provided with a partition wall 11a.
Is closed, the communication between the head 12 for the narrow part and the vacuum source is prevented, and the head 11 for the flat part is closed.
Only communicates with the vacuum source via the suction tube 13.

On the other hand, FIG. 9 is a view showing a state in which the narrow portion head 12 is tilted forward in FIG. 8, and is a cross-sectional view in a state where the narrow portion head 12 is used. In this state, since the entrance opening 11b of the flat portion head 11 is closed by the projection 12c of the narrow portion head 12, communication between the flat portion head 11 and the vacuum source is prevented, and the narrow portion head is formed. Only 12 suction ports communicate with the vacuum source via the suction tube 13.

In the above-mentioned two embodiments, the case where the head for the flat portion and the head for the narrow portion are switched is described. However, the type of the cleaner head is not limited to these. In the case of the embodiment, any other head may be used as long as the head can be housed inside the suction tube and can slide inside the suction tube to protrude from the opening to the outside. Similarly, in the second embodiment, it is also possible to mount a head used for another purpose instead of the head for a narrow portion. Further, instead of the flat portion head, a cylindrical head having a brush-like hair at the tip may be attached, and the type of the head can be appropriately selected in the present invention.

In the above embodiment, the case where the narrow portion head is slid inside the suction tube or the case where the narrow portion head is rotated with respect to the flat portion head is described.
The present invention is not limited to these configurations, and covers all configurations that can be switched and used without removing any of the two heads from the suction cylinder communicating with the vacuum source. Of course, the present invention is not limited to the case where the head is switched manually, but also of course the case where the automatic switching is performed using an electric motor or the like.

[0031]

As described above, according to the first aspect of the present invention, the two heads can be switched and used without removing them, and the storage location of the two heads can be made one. Therefore, it is possible to provide a cleaner head capable of reducing the time required for cleaning.

According to the second aspect of the present invention, the head for the flat portion and the head for the narrow portion can be switched and used without being removed, and the storage space for the two heads can be reduced to one. Thus, it is possible to provide a cleaner head capable of reducing the time required for cleaning.

According to the third or fourth aspect of the present invention, it is possible to provide a cleaner head which can be switched and used without removing the flat portion head and the narrow portion head by a simple operation. it can.

[Brief description of the drawings]

FIG. 1 is a schematic view showing a first embodiment of a cleaner head according to the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is an enlarged view showing the vicinity of a notch of the cleaner head of FIG. 1;

FIG. 4 is an enlarged view showing the vicinity of an opening / closing valve of the cleaner head of FIG. 1;

FIG. 5 is an enlarged perspective view showing the vicinity of an opening / closing valve of the cleaner head of FIG. 1;

FIG. 6 is a perspective view showing a second embodiment of the cleaner head according to the present invention.

FIG. 7 is a side view of the cleaner head of FIG. 6;

FIG. 8 is a cross-sectional view illustrating a use state of the flat portion head of the cleaner head of FIG. 6;

FIG. 9 is a cross-sectional view showing a use state of the narrow portion head of the cleaner head of FIG. 6;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Flat part head 2 Narrow part head 2a Handle 3 Suction cylinder 3a Groove 3b Notch part 4 On-off valve 5 Rubber plate 6 Spring 7 Opening 8 Packing 11 Flat part head 11a Partition wall 11b Inlet opening part 12 Narrow part head 12a Rotating part 12b Opening part 12c Projecting part 13 Suction cylinder 14 Support shaft

Claims (4)

[Claims] 1. A suction cylinder communicating with a vacuum source, a first head and a second head at an end of the suction cylinder, and the first head or the second head and the vacuum are connected via the suction cylinder. A cleaner head characterized in that communication with a source can be switched. 2. The cleaner head according to claim 1, wherein the first head is a flat portion head, and the second head is a narrow portion head. 3. When the narrow portion head slides in the suction tube and the narrow portion head is used, it is required that the narrow portion head protrudes outside from the opening of the suction tube. 3. The vacuum cleaner head according to claim 2, wherein: 4. The flat portion head, wherein the narrow portion head is rotatably mounted on the flat portion head, and an opening and a projection provided in a rotary portion of the narrow portion head are provided inside the flat portion head. 3. The cleaning head according to claim 2, wherein communication between the narrow portion head or the flat portion head and the vacuum source can be switched by a partition formed in the vacuum source.