JP3024256B2 - Vacuum cleaner suction tool - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a suction device for a vacuum cleaner having a structure suitable for cleaning a floor and a fold.

[0002]

2. Description of the Related Art A conventional floor suction device of this type generally has a structure as disclosed in Japanese Patent Application Laid-Open No. 1-114714, for example. As shown in FIG. 6, a ridge-shaped mounting seat 4 is provided on an outer peripheral portion 3 of a lower suction tool 2 having a suction port 1 for sucking dust and the like.
A raised cloth 5 made of a cut-pile spun cloth is provided on the mounting seat 4 by bonding, so that the floor surface and the folding can be softly touched.

[0003]

In such a conventional suction device for a vacuum cleaner, the brushing cloth 5 pushes a lot of dust particularly when the floor nozzle moves forward, and the brushing cloth 5 moves when moving backward. There was a problem that the efficiency of the cleaning work was reduced due to the back-up. As a means for solving this problem, an attempt has been made to simply provide a suction hole in the portion of the brushed cloth 5 against which the dust is pressed. However, the dust pressed by the brushed cloth 5 is not sucked smoothly and the bonding unevenness of the brushed cloth 5 is not uniform. For example, there is a problem that the brushed cloth 5 is easily turned over.

[0004] The present invention solves the above-mentioned conventional problems, and uses a wiping member for a hard cleaning surface such as a wooden floor or a tatami.
Prevents pushing of garbage and cleans the surface without removing garbage
It is an object of the present invention to provide a suction device for a vacuum cleaner that prevents the suction device from remaining in the suction device.

[0005]

The invention of claim 1, wherein the present invention in order to achieve the above object In order to achieve the above, the suction port is provided on the bottom surface of the floor nozzle body, a wiping body provided at an outer peripheral portion near the suction port 3. The wiping body according to claim 2 , wherein a plurality of auxiliary suction ports communicating with the suction port are provided on an outer peripheral edge of the wiping body.
Akira, which has a raised fabric comprising a wiping strip from the cut pile invention of claim 3, wherein, by arranging a wiping member in the width direction of the floor nozzle body around the suction port as longitudinal, wiping the front of An auxiliary suction port is provided at the front edge of the body , and the invention according to claim 4 , wherein the auxiliary suction port is formed in a substantially V-shape with a wide front portion of the floor nozzle body,
The invention according to claim 5 is characterized in that the wiping bodies are arranged before and after the suction port with the width direction of the floor nozzle body as a longitudinal direction , an auxiliary suction port is provided at a front edge of the front wiping body , and further rearward. after wiping body
Are those formed by an auxiliary suction inlet to the edges, further wherein
Item 6 is a method for wiping in contact with the outer peripheral edge of the auxiliary suction port.
It is a welded part of the body .

[0006]

According to the first aspect of the present invention, the outer periphery of the wiping body is provided.
A plurality of auxiliary suction ports communicating with the suction port are provided at an edge portion.
The dust pushed by the wiping body stops at the outer peripheral edge.
It is effective by the suction force of the auxiliary suction port provided in that part.
Waste can be sucked efficiently. Claim 2
Akira used a brushed cloth made of cut pile as the wiping body.
To prevent scratches on the cleaning surface and provide a polishing effect.
Can be In the invention according to claim 3, the wiping body is placed in front of the suction port.
After that, the width direction of the floor nozzle body is
An auxiliary suction port is provided at the front edge of the
Move the main body of the wiper forward to collect debris at the front edge of the wiper.
Even in this case, suction can be efficiently performed from the auxiliary suction port.
In the invention according to claim 4, the auxiliary suction port is provided in front of the floor nozzle body.
Is formed in a substantially V-shape with a wide
Garbage moving forward and collecting at the front edge of the wiping body
Effectively through the wide front opening to reach the leading edge.
The garbage that reaches can be reduced. Claim 5
Akira also provided an auxiliary suction port at the rear edge of the rear wiping body.
Even when moving the floor nozzle body backward,
Garbage that collects at the trailing edge can be suctioned efficiently
You. The invention according to claim 6 is in contact with the outer peripheral edge of the auxiliary suction port.
Since a part of the wiping body to be welded was welded, the auxiliary suction port of the wiping body
It can prevent turning around. Also, the ultrasonic vibration unit
Auxiliary suction port is formed, and around the ultrasonic vibration part
The wiping body is also welded, and the wiping body is welded and the
Can be performed at the same time.
Productivity can be increased.

[0007]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIGS. 1 and 2 show a first embodiment, in which a floor nozzle body 6 is obtained by combining an upper suction tool 7 and a lower suction tool 8, and 9 is a pipe for electric cleaning. An extension pipe connected to the suction side of the machine body via a hose is detachably connected to the suction pipe, and is rotatably attached to the upper suction tool 7 by a ring 10. A suction port 11 is formed substantially at the center of the lower suction tool 8 and communicates with the pipe 9.
Are formed at the left and right ends.

At the front and rear of the suction groove 12, there is formed a bank-shaped mounting seat 13 which is equal to the length of the lower suction tool 8 in the longitudinal direction.
Reference numeral 14 denotes a raised cloth A, and 15 denotes a raised cloth B, which is made of a cut-pile spun cloth and fixed to the upper surface of the mounting seat 13 with an adhesive or the like. The pile thickness of the raising cloth A14 and the raising cloth B15 is made of ultrafine fibers of 0.1 mm or less and formed at high density. The pile length is set so that the floor nozzle body 6 is attracted to the surface to be cleaned during cleaning so that the mounting seat 13 does not come into contact with the surface to be cleaned. A soft feel is obtained by setting the length to 4 to 6 mm. As for the side portion, the dust suction airflow is higher than the side of the lower suction tool 8 at a high speed.
A side inflow passage 16 is provided to flow into two parts and to secure and improve the side dust absorption performance. The height of the side inflow passage 16 and the shape of the side inflow passage 16 are changed, and the dust-absorbing performance can be varied by adjusting the cross-sectional area of the opening.

Further, the both ends of the raised cloths A14 and B15 have a shape such that dust sucked from the front and side of the floor nozzle main body 6 flows into the suction groove 12 smoothly without being caught by the ends of the raised cloths A14 and B15. Thus, it is formed in an R-shaped and smooth shape. Reference numeral 17 denotes a plurality of auxiliary suction ports provided at the front of the raising cloth 14 and communicates with the suction port 11.
The auxiliary suction port 17 is adapted to suck air.

The operation of the above construction will be described. When the pipe 9 of the floor nozzle body 6 is connected and fixed to the extension pipe to clean the floor surface, the fold, etc., which is the surface to be cleaned, the lower suction tool 8 is used.
The tips of the raised cloths A14 and B15 adhesively fixed to the mounting seat 13 contact the wooden floor surface and slide according to the cleaning operation back and forth. At this time, since the contact with the floor surface and the fold is a cut pile spun cloth made of fine fibers, the elasticity of the raised cloths A14 and B15 is extremely soft, and the contact sliding is soft and smooth. Move tatami etc. At this time, the brushing cloth A14 tries to push the debris on the floor and the fold, but the debris is discharged from the auxiliary suction port 17 into the floor nozzle body 6.
Is sucked into. Therefore, the push of garbage is eliminated.

FIG. 3 shows a second embodiment. The difference from the first embodiment described above is that the auxiliary suction port 17a is formed in a substantially V-shape in which the front of the floor nozzle main body 6 is widened.
This has the effect that a can smoothly suck air. That is, when the floor surface, folding, etc. are cleaned, the raised cloths A14, B1 adhered and fixed to the mounting seat 13 of the lower suction tool 8.
The tip of 5 touches the wooden floor surface and slides according to the cleaning operation back and forth. At this time, since the contact with the floor surface and the fold is a cut pile spun cloth made of fine fibers, the elasticity of the raised cloths A14 and B15 is extremely soft, and the contact sliding is soft and smooth. Move tatami etc. At this time, the brushing cloth A14 tries to push the dust on the floor and the fold, but the auxiliary suction port 17a is formed in a substantially V-shape in which the front of the floor nozzle body 6 is widened. 17a smoothly sucks air, and at the same time dust is sucked. Therefore, the pushing of garbage is eliminated.

FIG. 4 shows a third embodiment. The difference from the second embodiment is that the auxiliary suction port 17b is also provided at the rear part of the rear raising cloth B15. With this configuration, the auxiliary suction port 17b of the raising cloth B15 can suck air smoothly. This has the effect. That is, when cleaning the floor surface, folding, etc., the tip of the brushed cloth B15 adhesively fixed to the mounting seat 13 of the lower suction tool 8 comes into contact with the wooden floor surface and slides in accordance with the cleaning operation back and forth. At this time, since the contact with the floor and the fold is a cut pile spun cloth formed of fine fibers, the elasticity of the raised cloth B15 is extremely soft, and the contact slide is soft and the floor and the fold are smooth. To move. At this time, the brushing cloth A14 tries to push the dust on the floor and the tatami, but the auxiliary suction port 17a sucks the air and also the dust at the same time. The auxiliary suction port 17b sucks air, and at the same time sucks dust.

FIG. 5 shows a fourth embodiment.
A punch 21 having an auxiliary suction port 17, an outer peripheral portion 18, and raised cloths A14 and B15 each composed of an ultrasonic vibrating section 19 and a cradle 20.
, Welding and opening. That is, when the lower suction tool 8 is set on the receiving table 20 and is moved in the direction of arrow P while vibrating the ultrasonic vibrating section 19, the punch 21 of the ultrasonic vibrating section 19 moves to the back of the brushed cloths A14 and B15. When the ultrasonic vibration unit 19 is further moved in the direction of arrow P, the vibration of the ultrasonic vibration unit 19 causes the punch 2 to move.
The lower suction tool 8 at the portion where the first suction tool 1 abuts is heated and melted, and the raising cloths A14 and B15 are welded to the lower suction tool 8, and at the same time, the raising cloths A14 and B15 and the lower suction tool 8 by the punch 21.
Is opened, and an auxiliary suction port 17 is formed. As a result, even if the raised cloths A14 and B15 around the auxiliary suction port 17 have uneven bonding, the raised cloth is reliably welded by ultrasonic welding.
At the same time, the auxiliary suction port 17 is raised by the punch 21,
In order to form the auxiliary suction port 17 on the lower surface 15 and the bottom surface of the floor nozzle body 6, the shape of the raised cloth and the auxiliary suction port 17 is processed in advance so that when the raised cloth and the floor nozzle are bonded, the raised cloth 1
There is no need to attach and pay attention so that there is no displacement between the auxiliary suction ports 4 and 15 and the auxiliary suction port 17, and the appearance is improved without displacement.

In this embodiment, the raised cloths A14, B15
However, even if the auxiliary suction port 17 is provided on the entire outer periphery of the suction port 11 and the auxiliary suction port 17 is provided on the outermost periphery of the raising cloth, the same effect can be obtained with respect to dusting of the raising cloth.

[0016]

As described above, according to the present invention, the outer peripheral edge of the wiping member is provided.
The auxiliary suction port that communicates with the suction port is provided in the
Efficiently collects garbage collected on the outer peripheral edge of the
Thus, it is possible to prevent the wiping body from leaving dust.

[Brief description of the drawings]

FIG. 1 is a bottom view of a floor nozzle of a vacuum cleaner suction tool according to a first embodiment of the present invention.

FIG. 2 is a sectional view of the suction device for the electric vacuum cleaner.

FIG. 3 is a bottom view of a floor nozzle of a vacuum cleaner suction tool according to a second embodiment of the present invention.

FIG. 4 is a bottom view of a floor nozzle of a vacuum cleaner suction tool according to a third embodiment of the present invention.

FIG. 5 is a sectional view of a main part of a floor nozzle of a suction device for a vacuum cleaner according to a fourth embodiment of the present invention.

FIG. 6 is a bottom view of a floor nozzle of a conventional vacuum cleaner suction tool.

[Explanation of symbols]

 6 Floor nozzle body 11 Suction port 14 Brushed cloth A 15 Brushed cloth B 17 Auxiliary suction port

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-309317 (JP, A) Jikken Sho 55-23472 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) A47L 9/02 A47L 9/06

Claims (6)

(57) [Claims] 1. A suction port provided on the bottom surface of the floor nozzle body, a plurality of the the outer periphery around the suction inlet of the wiping strip is provided, communicating with the suction port to the outside <br/> peripheral edge portion of the wiping strip Suction device for vacuum cleaners provided with an auxiliary suction port. 2. The suction tool for a vacuum cleaner according to claim 1, wherein the wiping member is a raised cloth made of cut pile. 3. The wiping body is arranged before and after the suction port with the width direction of the floor nozzle body as a longitudinal direction, and the front edge of the front wiping body is provided.
3. The suction device for a vacuum cleaner according to claim 1, wherein an auxiliary suction port is provided in the portion . 4. The suction tool for a vacuum cleaner according to claim 3, wherein the auxiliary suction port is formed in a substantially V-shape in which the front of the floor nozzle body is wide. 5. The wiping body is arranged before and after the suction port with the width direction of the floor nozzle body as a longitudinal direction, and the front edge of the front wiping body is provided.
The suction tool for a vacuum cleaner according to any one of claims 1, 2 , and 4 , wherein an auxiliary suction port is provided in the portion, and an auxiliary suction port is further provided in a rear edge portion of the rear wiping member . 6. A wiping body in contact with an outer peripheral portion of an auxiliary suction port .
The suction tool for a vacuum cleaner according to any one of claims 1 to 5, wherein a part of the suction tool is welded .