JPH07124084A - Suction device for vacuum cleaner - Google Patents

Abstract

PURPOSE:To prevent the body of a suction device from being entangled by a futon (Japanese quilt and mattress) or a curtain by providing a rotary member having tiny holes on the outer circumference of the body of the suction device which has a curved part formed before and after a flat part. CONSTITUTION:A front wheel 11 and a rear wheel 12 are pivotally supported free to turn on walls 7 and 8 of both side parts of the body 1 of a suction device. A rotary member 10 is provided with a plurality of suction ports 13 which has an opening area enough to be large, compared with the mesh of the rotary member 10. The rotary member 10 moves to be free to turn along a flat part of the body 1 of a suction device so that a larger contact area is formed between the body 1 of the suction device and a surface to be cleaned to allow the moving of the body 1 of the suction device smoothly without being entangled by a futon or a curtain. The body 1 of the suction device has the wheels 11 and 12 pivotably supported thereon free to rotate independently of each other and so as to change the direction of moving easily. The connection pipe 2 turns to the body 1 of the suction device by the movement thereof in the longitudinal direction to allow the maintaining of a suction port 9 parallel with respect to the surface to be cleaned and constantly free from the movement of the body 1 of the suction device thereby enabling the maintaining of a better dust collection capacity.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a suction tool which is connected to an electric vacuum cleaner and used for cleaning a futon or a curtain.

[0002]

2. Description of the Related Art Conventionally, as this kind of suction tool, one in which a net-shaped rotary member is rotatably provided on the outer circumference of a cylindrical suction tool body is disclosed in, for example, Japanese Patent Laid-Open No. 54-158068 (92 (3)). Known in D101.9). This suction tool sucks dust and the like through the rotating member from the intake port formed in the lower outer periphery of the suction tool main body, and collects it into the electric vacuum cleaner from the connecting pipe provided on the side surface of the suction tool main body. ing.

However, the rotary member is composed of a single ring-shaped net that covers the entire outer circumference of the cylindrical suction tool body, and the suction port is provided by notching a part of the cylindrical portion. Therefore, since the suction tool body sinks into the futon or curtain, the mobility of the suction tool body is poor.

Also in the structure in which the rotary member is rotatably supported by the suction tool body, it is necessary to provide spirals on both ends of the rotary member and also to provide spirals on the outer circumference of the disk corresponding to the spirals. , Had a complicated configuration.

Further, since the connecting pipe is fixed to the side surface of the suction tool body, the angle facing the surface to be cleaned of the suction tool body changes with the pushing and pulling operation, and the distance and angle of the intake port to the surface to be cleaned are changed. Change, the suction force changes, and there is a drawback that uneven cleaning occurs.

[0006]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned drawbacks, and an object of the present invention is to provide a suction tool which improves cleaning workability and can eliminate uneven cleaning.

[0007]

The first means of the present invention is to:
A suction tool body having a flat surface portion having a suction port formed on the bottom surface and curved surface portions formed in the front and rear; a rotary member having a large number of small holes rotatably provided on the outer circumference of the suction tool body; And a connection pipe provided on the tool body and connected to the electric vacuum cleaner.

A second means of the present invention is provided with a suction tool body having a flat surface portion having an intake port formed on the bottom surface and curved surface portions formed in the front and rear, and rotatably provided on the outer circumference of the suction tool body. A rotating member having a large number of small holes, a connecting pipe provided on the suction tool body and connected to an electric vacuum cleaner, and front and rear wheels provided on the front and rear of both side surfaces of the suction tool body. It is characterized by

A third means of the present invention is provided with a suction tool body having a flat surface portion having an intake port formed on the bottom surface and curved surface portions formed in the front and rear, and rotatably provided on the outer circumference of the suction tool body. A rotary member having a large number of small holes, a connection pipe provided in the suction tool body and connected to an electric vacuum cleaner, and a front wheel and a rear wheel provided in front and rear of both side surfaces of the suction tool body, The outer periphery of at least one of the front wheel and the rear wheel is formed so as to project outward from the outer periphery of the rotating member.

According to a fourth aspect of the present invention, there is provided a suction tool body having a flat surface portion having an intake port formed on the bottom surface and curved surface portions formed in the front and rear, and rotatably provided on the outer circumference of the suction tool body. A rotary member having a large number of small holes; and a connecting pipe provided in the suction tool body and connected to an electric vacuum cleaner, wherein a plurality of intake ports are provided in a flat portion of the suction tool body. To do.

The fifth means of the present invention is provided with a suction tool body having a flat surface portion having an intake port formed on the bottom surface and curved surface portions formed in the front and rear, and rotatably provided on the outer circumference of the suction tool body. A rotary member having a large number of small holes; and a connecting pipe provided on the suction tool body and connected to an electric vacuum cleaner, wherein the rotary member has a plurality of intake holes larger than the small holes. Is characterized by.

A sixth means of the present invention is provided with a suction tool body having a flat surface portion having an intake port formed on the bottom surface and curved surface portions formed in the front and rear, and rotatably provided on the outer circumference of the suction tool body. A rotary member having a large number of small holes, a pair of left and right connecting pipes rotatably provided on both side surfaces of the suction tool body, and the left and right connecting pipes are communicated with each other, and a connecting pipe is formed at a substantially central portion thereof. It is characterized in that it is provided with a connecting pipe that is provided and a connecting pipe.

[0013]

According to the first aspect of the present invention, the dust on the surface to be cleaned is sucked from the intake port of the suction tool body through the small hole of the rotating member. When the suction tool body is moved, the rotating member is rotated by the movement of the suction tool body due to the frictional resistance between the rotary member and the surface to be cleaned. Since the rotating member moves along the flat surface of the suction tool body and is rotatable, the contact area between the suction tool body and the surface to be cleaned (futon or curtain) is large, and the futon or curtain is attached to the suction tool body. The suction tool body can be moved smoothly without being entangled.

According to the configuration of claim 2 of the present invention, since the wheels can be moved by the front and rear wheels on both sides of the suction tool body, the surface to be cleaned and the suction tool body do not come into close contact with each other, and the running performance is good. . Since the wheels are independently rotatable on both sides of the suction tool body, the moving direction of the suction tool body can be easily changed.

According to the third aspect of the present invention, the rotating member is separated from the suction tool body by at least one of the front wheel and the rear wheel provided on the front and rear sides of the suction tool body. To prevent.

According to the structure of claim 4 of the present invention, since the suction tool body is provided with a plurality of suction ports, the suction port area is large and the suction force with the surface to be cleaned is small, so that Good mobility.

According to the fifth aspect of the present invention, the dust on the surface to be cleaned is sucked from the suction port of the suction tool body through the small hole of the rotating member. Although the lint and hair are caught in the small holes and are not sucked, these lint and hair can be sucked from the intake holes provided in the rotating member.

According to the sixth aspect of the present invention, the dust on the surface to be cleaned is sucked from the intake port of the suction tool body through the small hole of the rotating member. When the suction tool body is moved, the rotating member is rotated by the movement of the suction tool body due to the frictional resistance between the rotary member and the surface to be cleaned. Also, since the connecting tube is rotatably supported by the suction tool body, the connection tube rotates as the suction tool body moves, and the suction tool body is always kept parallel to the surface to be cleaned. As it leans, the air intake always contacts the surface to be cleaned.

[0019]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to FIGS.

Reference numeral 1 is a main body of a suction tool made of synthetic resin, 2 is a connection consisting of left and right connecting pipes 3 and 4, a connecting pipe 5 connecting them, and a connecting pipe 6 provided in the center thereof and connected to an electric vacuum cleaner. A tube is pivotally supported on the walls 7 and 8 on both sides of the suction tool body 1 so as to be rotatable in the front-rear direction. Indicated by 9, 9 ... Intake ports provided on the bottom surface of the suction tool body 1. Reference numeral 10 denotes a net-shaped rotating member that is loosely fitted to the outer periphery of the suction tool body 1,
It is made of a flexible material such as synthetic resin such as polypropylene or polyethylene, which has a large friction resistance against the surface to be cleaned such as rubber. Reference numeral 11 is a front wheel, and 12 is a rear wheel, which are rotatably supported by walls 7 and 8 on both sides of the suction tool body 1, respectively. Reference numerals 13, 13 ... Indicate a plurality of intake ports provided in the rotating member 10 and have a sufficiently large opening area as compared with the mesh (small holes) of the rotating member 10. 14, 1
Reference numeral 4 is a curved surface portion provided in front of and behind the suction tool body 1, and the mesh-like rotary member 10 is slidably contacted with the bottom surface 15 of the suction tool body 1 and the outer peripheral portions of the curved surface portions 14 and 14 to rotate. There is.

Then, the connecting pipe 2 is connected to an electric vacuum cleaner (not shown), and the surface to be cleaned such as a futon is cleaned. Suction tool body 1
When the wheel is moved in the front-rear direction, the wheels 11, 12 and the rotating member 10 come into contact with the surface to be cleaned, and the friction between the wheel 11, 12 and the rotating member causes the wheels 11, 12 and the rotating member to move as the suction tool body 1 moves. 10 rotates. The rotating member 10 is the suction tool body 1
It contacts the outer peripheral surface of and rotates while sliding. Since the suction tool main body 1 independently rotatably supports the wheels 11 and 12 on both sides independently of each other, the moving direction can be easily changed even when the moving direction of the suction tool main body 1 is changed. . Also,
Since the wheels 11 and 12 are formed to have a larger diameter than the rotating member 10 and the ends of the rotating member 10 are covered with the wheels 11 and 12,
It is less likely that the end of the rotating member 10 will be caught on the surface to be cleaned, impairing the mobility, and the rotating member 10 will not interfere with the suction tool body 1
It also serves to prevent you from leaving.

Since the connecting pipe 2 rotates with respect to the suction tool body 1 as the suction tool body 1 moves in the front-rear direction, regardless of the movement of the suction tool body 1, the intake port 9 of the suction tool body 1 will be described. , 9
... can always maintain the same position with respect to the surface to be cleaned (always parallel to the surface to be cleaned), and can maintain good dust collecting ability.

Further, since the rotary member 10 is formed with the opening 13 communicating with the intake port 9 of the suction tool body 1, the intake port 9 and the opening 13 of the suction tool body 1 are accompanied by the rotation of the rotary member 10. It is possible to reliably suck even relatively large dust such as hair and lint at a position where is matched.

[0024]

As described above, according to the structure of claim 1 of the present invention, the mobility of the suction tool body can be improved, the cleaning workability can be improved, and the rotary member can be the suction tool. Since it moves along the flat part of the main body and is freely rotatable, the contact area between the suction tool body and the surface to be cleaned (futon or curtain) is large, and the futon or curtain does not get entangled in the suction tool body, resulting in a smooth surface. The suction tool body can be moved to.

According to the second aspect of the present invention,
Mobility of the suction tool body can be improved, and cleaning workability can be improved. Further, since the wheels are independently rotatable on both sides of the suction tool body, the moving direction of the suction tool body can be easily changed.

According to the third aspect of the present invention, the rotating member is separated from the suction tool body by at least one of the front wheel and the rear wheel provided on the front and rear sides of the suction tool body. Can be prevented.

According to the structure of claim 4 of the present invention, the area of the intake port provided in the main body of the suction tool is large, the suction force with respect to the surface to be cleaned is small, and the mobility of the main body of the suction tool is improved.

According to the structure of claim 5 of the present invention, the intake port provided in the rotating member can also sufficiently suck the lint and hair.

According to the structure of claim 6 of the present invention, even if the suction tool body is moved in the front-rear direction, the connecting pipe is rotated in accordance with the movement, and the suction tool body is always kept against the surface to be cleaned. Since they are kept parallel to each other, the intake port is always in contact with the surface to be cleaned, so that good intake characteristics can be obtained.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

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

FIG. 3 is a sectional view taken along line BB of FIG.

FIG. 4 is a bottom view of the same.

[Explanation of symbols]

 1 Suction Tool Main Body 2 Connection Tube 7 Side Wall 8 Side Wall 9 Intake Port 10 Rotating Member 11 Front Wheel 12 Rear Wheel 13 Intake Port 14 Curved Surface

Claims (6)

[Claims] 1. A rotation having a suction tool body having a flat surface portion having an intake port on the bottom surface and curved surface portions formed in the front and rear, and a large number of small holes rotatably provided on the outer circumference of the suction tool body. A suction tool for a vacuum cleaner, comprising: a member; and a connecting pipe provided on the suction tool body and connected to a vacuum cleaner. 2. A rotation having a suction tool body having a flat surface portion having a suction port formed on the bottom surface and curved surface portions formed in the front and rear, and a large number of small holes rotatably provided on the outer circumference of the suction tool body. An electric cleaning device comprising: a member, a connecting pipe provided in the suction tool body and connected to an electric vacuum cleaner, and front and rear wheels provided in front and rear of both side surfaces of the suction tool body. Machine suction tool. 3. A rotation having a suction tool body having a flat surface portion having an intake port on the bottom surface and curved surface portions formed in the front and rear, and a large number of small holes rotatably provided on the outer circumference of the suction tool body. A member, a connecting pipe provided on the suction tool body and connected to the electric vacuum cleaner, and a front wheel and a rear wheel provided on the front and rear of both side surfaces of the suction tool body, respectively, of the front wheel or the rear wheel. A suction tool for an electric vacuum cleaner, wherein at least one outer circumference is formed so as to project outward from the outer circumference of the rotating member. 4. A rotation having a suction tool body having a flat surface portion having an intake port on the bottom surface and curved surface portions formed in the front and rear, and a large number of small holes rotatably provided on the outer circumference of the suction tool body. A suction tool for an electric vacuum cleaner, comprising: a member; and a connection pipe provided in the suction tool body and connected to an electric vacuum cleaner, wherein a plurality of intake ports are provided in a flat surface portion of the suction tool body. . 5. A rotation having a suction tool body having a flat surface portion having an intake port on the bottom surface and curved surface portions formed in the front and rear, and a large number of small holes rotatably provided on the outer circumference of the suction tool body. An electric vacuum cleaner, comprising: a member; and a connecting pipe provided on the suction tool body and connected to an electric vacuum cleaner, wherein the rotary member has a plurality of intake holes larger than the small holes. Suction tool. 6. A rotation having a suction tool body having a flat surface portion having a suction port on the bottom surface and curved surface portions formed in the front and rear, and a large number of small holes rotatably provided on the outer circumference of the suction tool body. A member, a pair of left and right connecting pipes rotatably provided on both side surfaces of the suction tool body, and a connecting pipe which connects the left and right connecting pipes and which has a connecting pipe formed in a substantially central portion thereof. A suction tool for an electric vacuum cleaner, comprising: a connecting pipe.