JP3656255B2 - Vacuum cleaner suction tool and vacuum cleaner - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a vacuum cleaner suction tool and a vacuum cleaner.
[0002]
[Prior art]
Conventionally, this kind of suction tool has generally adopted the configuration shown in FIGS. 7 and 8 as disclosed in, for example, Japanese Patent Laid-Open No. 4-152923. A suction port 2 for sucking dust into the suction tool 1, an agitator 3 rotatable in the suction port 2, a raised cloth 4 made of a cut pile-shaped spun cloth behind the suction port 2, and the lift It is equipped with an up-and-down device 5 that moves and fixes the blanket 4 up and down. There was a structure that obtained a soft feeling during cleaning work and further prevented the surface to be cleaned from being scratched.
[0003]
[Problems to be solved by the invention]
However, in such a structure, the raised cloth 4 is configured to move up and down behind the suction port 2, and since the raised cloth 4 and the upper and lower devices 5 are built in the rear of the suction port 2, the suction tool 1 is There was a problem that it became large and heavy, and it was difficult to operate.
[0004]
In view of the above problems, the first object of the present invention is to provide a vacuum cleaner suction tool that is small and has good operability.
[0005]
The second object is to prevent the furniture and the like from being damaged by the collision in addition to the first object.
[0006]
[Means for Solving the Problems]
The first, SUMMARY OF order to achieve the second object, a suction tool body having an inlet, a bumper provided on the suction tool main body outer peripheral portion - and the bumper - provided in the upper The bumper is curved to the bottom surface of the suction tool main body and slid in the vertical direction so that the brushed cloth can protrude and retract from the lower surface of the suction tool main body. Also, the electric vacuum cleaner suction tool of the above solution, it is an electric vacuum cleaner connected thereto so as to communicate.
[0007]
[Action]
In the above problem solving means, when cleaning work on the tatami mat / wood floor in the suction tool body, by fixing the bumper downward, the raised cloth protrudes from the bottom surface of the suction tool body and comes into contact with the cleaning surface. Get a soft feeling during cleaning work and prevent scratches on the surface to be cleaned, and even when the suction tool collides with furniture etc., the raised cloth will not touch the furniture and will not be damaged. When cleaning the carpet on the tool body, the raised cloth can be stored compactly by fixing the bumper upward, and a small and light suction tool can be realized. Moreover, the vacuum cleaner connected so that it may communicate with the said suction tool is realizable.
[0008]
【Example】
Hereinafter, a first embodiment of the present invention will be described with reference to the accompanying drawings. 1 to 3, reference numeral 10 denotes a suction tool body, which is obtained by connecting an upper suction tool 14 and a lower suction tool 15 via a bumper 11, a rear bumper A12, and a rear bumper B13. A suction chamber 17 having a lower opening as a suction port 16 is formed inside. The center of the suction chamber 17 is located at the rear of the suction tool body 10 at the upper suction tool 14 and the lower suction tool 15 so as to be supported between the upper suction tool 14 and the lower suction tool 15, and the connection pipe 19 rotatably coupled to the communication pipe 18. In addition, an extension pipe connected to the suction side of the vacuum cleaner via a hose is detachably connected to the connection pipe 19. A motor 20 for driving an agitator and a control unit 21 for controlling the motor 20 are provided on the left and right sides of the communication pipe 18, and power is supplied from a power cord 22.
[0009]
Reference numeral 23 denotes an agitator provided in the suction chamber 17 in parallel therewith, and is rotatably held by bearings A24 and B25 provided on both side walls of the suction chamber 17. The agitator 23 includes a substantially cylindrical rotor 26 and a stirring body 27 made of a flexible material that is continuously attached in the direction in which the outer circumferential surface is longitudinally threaded.
[0010]
A motor pulley 29 is press-fitted and fixed to a motor shaft 28 of the motor 20, and an agitator pulley connected to the agitator 23 by adhesion. -30 is configured to transmit the driving force via the belt 31 and rotate the agitator 23.
[0011]
Reference numeral 32 denotes a rotating plate having a raised cloth 33 made of a cut-pile spun cloth bonded to the surface thereof, which can freely rotate between the lower portion of the agitator 23 and the inside of the suction port 16. When the agitator 23 is rotated downward, the convex portion A36 and the convex portion B37 formed on the rotational plate arm A34 and the rotational plate arm B35 are formed in the concave portion A38 formed in the lower suction tool 15. , And are respectively fixed to the recesses B39, and fixed immediately below the agitator 23. At this time, the raised cloth 33 on the rotating plate 32 contacts the cleaning surface and rotates into the suction port 16. The projection A36 and the projection B37 formed on the rotation plate arm A34 and the rotation plate arm B35 are respectively locked and fixed to the depressions C40 and D41 formed on the lower suction tool 15, respectively. 16 is fixed.
[0012]
Reference numeral 42 denotes an operation portion provided on the rotary plate arm A34, which is configured to protrude from the suction tool 10 so as to rotate the rotary plate 32 from the outside of the suction tool main body 10. .
[0013]
Next, the operation of this embodiment will be described. When cleaning the wooden floor / tatami mat with the suction tool body 10, the rotating plate 32 is fixed to the lower side of the agitator 23 so that the raised cloth 33 protrudes from the lower surface of the suction tool body 10. The contact between the surface and the raised cloth 33 can achieve a soft feeling during cleaning work, and further prevent the surface to be cleaned from being scratched. When the carpet is cleaned with the suction tool body 10, the raised cloth 33 is In order to store in the suction tool main body 10, the rotating plate 32 is rotated and fixed in the suction port 16, and the rotating agitator 23 is brought into contact with the carpet to knock out dust in the pile. Since the rotation plate 32 is configured to rotate in the suction port 16 at this time, it is not necessary to provide an up-and-down mechanism for the raised cloth 33 in addition to the suction port 16, and a small and lightweight carpet. , A wood floor / tatami mat suction tool can be realized. That.
[0014]
Next, a second embodiment of the present invention will be described with reference to the accompanying drawings. In FIG. 1, the rotation center of the rotation plate 32 is the same as the rotation center of the agitator 23, and the rotation plate 32 rotates around the agitator 23. The agitator 23 moves from the lower direction to the front direction.
[0015]
Next, the operation of this embodiment will be described. When cleaning the carpet with the suction tool main body 10, the rotating plate 32 is rotated in the forward direction of the agitator 23, so that it is an obstacle when sucking dust in the backward direction of the agitator 23. Therefore, there is no need to provide any members or parts, and a sufficient dust suction passage can be secured, and cleaning work can be performed without clogging even when large dust is sucked.
[0016]
Next, a third embodiment of the present invention will be described with reference to the accompanying drawings. 4 to 6, a raised cloth bumper 43 is provided at the front portion of the suction tool main body 10, and a raised cloth 33 made of a cut pile-like spun cloth is adhered and fixed to the surface. The raised cloth bumper 43 has a shape curved to the lower surface of the suction tool body 10 so as to cover the front part and the left and right front parts of the suction tool body 10 and cover the vicinity of the front of the suction port 16. In order to move up and down, the arm A44 and the arm B45 provided in the inside are configured to hold the lower suction tool 15. When the raised bumper 43 is moved upward, the notches A46 and B47 provided at the tips of the arm A44 and the arm B45 are formed in the holes A48 and B49 provided in the lower suction tool 15, respectively. The notch A46 and the notch B47 are provided in the lower suction tool 15 when the raised bumper 43 is fixed upward, the raised bumper 43 is fixed upward, and the raised bumper 43 is moved downward. The raised cloth bumper 43 is fixed in the downward direction, and the raised cloth 33 on the raised cloth bumper 43 is in contact with the cleaning surface.
[0017]
Next, the operation of this embodiment will be described. When cleaning the wooden floor / tatami mat with the suction tool body 10, the raised cloth bumper 43 is moved and fixed downward, and the raised cloth 33 on the raised cloth bumper 43 is brought into contact with the cleaning surface. In addition, it is possible to achieve a soft feeling during cleaning work and further prevent the surface to be cleaned from being damaged, and when cleaning the carpet with the suction tool body 10, the brushed bumper 43 is moved and fixed upward, By bringing the rotating agitator 23 into contact with the carpet, the dust in the pile is knocked out and sucked. At this time, the raised cloth 33 moves up and down at the front portion of the agitator 23 in the downward direction of the suction port 16. It is not necessary to provide a raising and lowering mechanism for the raised cloth 33 other than the suction port 16, and a small and lightweight carpet, wooden floor / tatami mat suction tool can be realized, and the raised cloth bumper 43 has a raised surface. Because the blanket 33 was provided Also the suction tool main body 10 during the cleaning operation at the case of a collision in furniture or the like, and it can prevent scratches for napped cloth is in contact with the furniture.
[0018]
【The invention's effect】
As apparent from the above embodiment, the bumper having a napped fabric surface - by vertically moving the very stores compactly the raised fabric contacting the cleaning surface during cleaning operations on wood floors, tatami We can, Ru can provide a good vacuum cleaner for suction tool of operability. Furthermore, the bumper - since provided napped on a surface, when colliding with furniture or the like during cleaning operation can also prevent damage to the furniture.
[Brief description of the drawings]
FIG. 1 is a cross-sectional view of a vacuum cleaner suction tool according to first and second embodiments of the present invention. FIG. 2 is a plan view of the vacuum cleaner suction tool with an upper suction port removed. 3] A perspective view showing a rotating plate of the vacuum cleaner suction tool. [FIG. 4] A sectional view of the vacuum cleaner suction tool according to the third embodiment of the present invention. [FIG. FIG. 6 is a sectional view showing a bumper of the vacuum cleaner suction tool. FIG. 7 is a sectional view of a conventional vacuum cleaner suction tool. Plan view of vacuum cleaner suction tool 【Explanation of symbols】
10 Suction tool body 16 Suction port 20 Motor
23 Agitator
32 Rotating plate 33 Brushed cloth 43 Brushed cloth bumper

Claims (2)

  A suction tool main body having a suction port, a bumper provided on the outer periphery of the suction tool main body, and a raised cloth provided on the bumper, the bumper being curved to the bottom surface of the suction tool main body, And the suction tool for vacuum cleaners which slid up and down and the said raising cloth was made to protrude and retract from the lower surface of the said suction tool main body. The vacuum cleaner connected so that it may communicate with the suction tool for vacuum cleaners of Claim 1 .

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