JP2011183018A - Suction device for vacuum cleaner and vacuum cleaner using the device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a suction device for a vacuum cleaner that improves the durability of a group of brushes and stably supplies negative ions to a surface to be cleaned. <P>SOLUTION: The suction device for the vacuum cleaner includes: a body 1 of the suction device which provides a suction port 15 at the lower surface; a rotating brush 7 which is freely rotatably attached to the section near the port 15; a brush 8 which is arranged at the outer circumference of the brush 7 and made of a material positioned on a positive side of the charge order; and a cylindrical wearable member 10 which is arranged at the brush 7 and made of a material positioned on a negative side of the charge order. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a vacuum cleaner suction tool for wiping and cleaning a floor, and a vacuum cleaner including the same.

  Conventionally, in this type of vacuum cleaner suction tool, a group of brushes with different charging orders is provided in the vacuum cleaner suction tool, and negative ions are generated by rotating the brush group while frictioning each other. There has been proposed a vacuum cleaner suction tool having a configuration in which the negative ions are adsorbed to dust on a surface to be cleaned and collected (see, for example, Patent Document 1).

  As such a conventional vacuum cleaner suction tool, for example, a vacuum cleaner suction tool having a configuration shown in FIG. 5 has been proposed.

  As shown in FIG. 5, in the opening 18 provided on the lower surface of the suction tool main body 19, a brush group 16 having a brush 16a having a negative charging order and a brush group having a brush 17a having a positive charging order. 17 are rotatably provided, and the brush groups 16 and 17 are formed by the resistance force between the brush groups 16 and 17 generated when the suction tool body 19 moves on the surface to be cleaned and the surface to be cleaned. A vacuum cleaner suction tool has been proposed which has a configuration that rotates and generates negative ions by friction between the brush 16a of the brush group 16 and the brush 17a of the brush group 17 at the time of rotation.

JP 2005-305194 A

  However, the conventional vacuum cleaner suction tool still has room for improvement from the viewpoint of improving the durability of the brush group.

  That is, in the above conventional vacuum cleaner suction tool, the brush group having a brush with a positive charge order and the brush group having a brush with a negative charge order are in contact with each other because of contact between the brushes. The area of the part increases. For this reason, the present inventors have found that the brushes may be worn and worn with each other, or the brushes may be entangled and torn apart, and the durability is low.

  The present invention has been made in view of the above-described problems of the prior art, and can improve the durability of the brush group, and can stably supply negative ions to the surface to be cleaned. The purpose is to provide.

  In order to solve the above-described problems of the prior art, the present invention is provided on a suction tool body having a suction port on a lower surface, a rotary brush rotatably provided in the vicinity of the suction port, and an outer peripheral portion of the rotary brush. A vacuum cleaner suction tool having a brush body made of a material having a positive charging order and a cylindrical wear body made of a material having a negative charging order provided on the rotating brush. provide.

  As described above, in the vacuum cleaner suction tool according to the present invention, the brush body made of a material having a positive charging order and the cylindrical wear body made of a material having a negative charging order rub against each other. In this configuration, negative ions are generated.

  As a result, the area of the contact portion between the brush body having a positive charging order and the wear body having a negative charging order is reduced, so that the brushes wear and wear each other, or the brushes become tangled and torn. In addition, durability can be improved and negative ions can be stably supplied to the surface to be cleaned.

  According to the vacuum cleaner suction tool of the present invention, the durability of the brush group can be improved and negative ions can be stably supplied to the surface to be cleaned.

Whole perspective view of the vacuum cleaner which equipped with the suction tool for vacuum cleaners in Embodiment 1 of this invention Side surface sectional drawing of the suction tool for vacuum cleaners in Embodiment 1 of this invention The top view of the vacuum cleaner suction tool in Embodiment 1 of this invention The top view which removed the upper member of the suction tool for vacuum cleaners in Embodiment 1 of this invention Side sectional view of a conventional vacuum cleaner suction tool

  1st invention is provided in the outer peripheral part of the suction tool main body which has a suction port in the lower surface, the rotation brush provided in the vicinity of the suction port freely, and a charge order is a plus side. The vacuum cleaner suction tool includes a brush body made of a material and a cylindrical wear body made of a material that is provided on the rotating brush and has a negative charging order.

  As a result, the area of the contact portion between the brush body having a positive charging order and the wear body having a negative charging order is reduced, so that the brushes wear and wear each other, or the brushes become tangled and torn. In addition, durability can be improved and negative ions can be stably supplied to the surface to be cleaned.

  In a second aspect of the invention, in particular, in the first aspect of the invention, the wear body is configured to be rotationally driven by the rotational force of the rotating brush.

  Thereby, since the part which contacts the brush body of an abrasion body changes not changing, abrasion of an abrasion body can fully be suppressed and durability of an abrasion body can be improved.

  According to a third invention, in particular, in the first or second invention, the suction tool main body is provided with a drive unit for rotationally driving the rotary brush, and the drive part is sucked from the left side surface of the suction tool main body. When the main body is viewed, the rotating brush is configured to rotate counterclockwise.

  Generally, like the above-described conventional vacuum cleaner suction tools, brush groups having different charging orders due to the resistance force between the brush group generated when the suction tool body moves on the surface to be cleaned and the surface to be cleaned, etc. In the vacuum cleaner suction tool having a configuration in which negative ions are generated by friction between brush groups having different charging orders when rotating, respectively, when the user advances the suction tool body, The brush group rotates counterclockwise when the suction tool body is viewed from the left side. Further, when the user reversely operates the suction tool main body, each brush group rotates clockwise when the suction tool main body is viewed from the left side.

  The direction in which the negative ions are released is determined by the rotation direction of the brush group having the plus side brush, so that when the user moves the suction device backward, the negative ions are released into the suction device body. Therefore, depending on the rotation direction of the brush group having brushes with a positive charging order, negative ions may not be supplied to the surface to be cleaned sufficiently stably.

  Therefore, a drive unit that drives a rotating brush having a brush body made of a material with a positive charging order is provided, and the rotating brush rotates counterclockwise when the suction tool body is viewed from the left side of the suction tool body. As described above, by driving by the driving unit, the negative ion emission direction becomes a constant direction, and negative ions can be supplied to the surface to be cleaned more stably.

  In a fourth aspect of the invention, in particular, in any one of the first to third aspects of the invention, the wear body has a length in the longitudinal direction of the wear body that is shorter than a length in the longitudinal direction of the rotating brush. A plurality of wear bodies are arranged in the longitudinal direction.

  Thereby, since the length which a wear body contacts with respect to the full length of a rotating brush becomes short, the load added to a rotating brush can be reduced.

  The fifth aspect of the invention is, in particular, in any one of the first to fourth aspects of the invention, wherein the suction tool body is configured such that the wear body can be seen from the upper part of the suction tool body. .

  Thereby, since it can be visually recognized from the user side that the dust has entangled with the wear body, the cleaning time of the wear body can be easily confirmed.

  In a sixth aspect of the invention, in particular, in any one of the first to fifth aspects of the invention, a strip-shaped plate made of a material having a negative charging order is provided on the outer periphery of the wear body. It is what.

  Thereby, the part which generate | occur | produces the negative ion of a wear body turns into a location where the plate and the rotating brush contacted, and since it does not always contact, durability of a wear body can be improved further.

  According to a seventh aspect of the invention, in the sixth aspect of the invention, the plate is provided so as to protrude from the surface of the wear body.

  As a result, the frictional body of the rotating brush repels the protruding end surface of the plate to rotate the wearer, which improves the rotational property of the wearer and improves the rotational speed, and the contact between the plate and the frictional member. Is performed at the edge portion of the plate, and the number of contact between the plate and the bristles is improved by improving the rotational speed of the wear body, so that the amount of negative ions generated can be stabilized.

  In an eighth aspect of the invention, in particular, in any one of the first to seventh aspects of the invention, the surface facing the rotating brush in front of the suction tool body is made of a material having a negative charging order. A plate portion is provided.

  Thus, negative ions are generated in each of the friction between the wear body and the rotating brush and the friction between the plate portion and the rotating brush, and the negative ions can be supplied to the surface to be cleaned more stably. .

9th invention made it the vacuum cleaner which has the vacuum cleaner main body which incorporated the electric blower which emits a suction wind, and the suction tool for vacuum cleaners in any one of Claims 1-8. It is.

  Thereby, while being able to improve durability of a brush body, the vacuum cleaner provided with the vacuum cleaner suction tool which can supply a negative ion stably to a to-be-cleaned surface can be provided.

  Hereinafter, preferred embodiments of the vacuum cleaner suction tool of the present invention will be described with reference to the drawings. In the following description, the same or corresponding parts are denoted by the same reference numerals, and redundant description is omitted.

(Embodiment 1)
Embodiment 1 of the vacuum cleaner suction tool of the present invention will be described with reference to FIGS.

  1 is an overall perspective view of an electric vacuum cleaner equipped with a vacuum cleaner suction tool according to Embodiment 1 of the present invention. FIG. 2 is a side cross-sectional view of the vacuum cleaner suction tool according to Embodiment 1 of the present invention. Furthermore, FIG. 3 is a top view of the vacuum cleaner suction tool according to Embodiment 1 of the present invention. FIG. 4 is a top view of the vacuum cleaner suction tool according to Embodiment 1 of the present invention with the upper member removed.

  As shown in FIG. 1, the vacuum cleaner 100 mainly includes a suction tool main body 1 that collects dust on a surface to be cleaned, a vacuum cleaner main body 22 having an electric blower 23 that generates suction air, and an electric blower 23. A control circuit (not shown) for controlling is provided, a hose 21 having one end connected to the cleaner body, and an extension pipe 20 having one end connected to the hose 21 and the other end connected to the suction tool body 1. It consists of and.

  As shown in FIGS. 2 to 4, the suction tool main body 1 mainly constitutes the lower surface of the suction tool main body 1, the lower member 5 having the suction port 15 on the lower surface, and the upper surface of the suction tool main body 1. It is comprised from the member 2. In addition, a pipe 6 is disposed in the central part at the rear of the suction tool main body 1, and the pipe 6 is sandwiched between the lower member 5 and the upper member 2.

  In the suction port 15, a rotating brush 7 that is rotatably supported by the suction tool body 1 is provided. On the outer peripheral surface of the rotating brush 7, a plurality of brush bodies 8 made of a material having a positive charging order are arranged in a spiral shape. On the front inner wall of the lower member 5, a plate portion 9 made of a material having a negative charging order is provided, and the brush body 8 is configured to contact the plate portion 9.

  A drive unit 13 made of an electric motor, a turbine, or the like is provided on either the left or right side of the suction tool body 1, and the output of the drive unit 13 is transmitted to a gear provided at one end of the rotary brush 7 by the belt 14. Has been communicated.

  A wear body 10 is provided at an upper portion in front of the rotation center axis of the rotary brush 7 so as to contact the brush body 8. The optimal amount of contact between the brush body 8 and the wear body 10 is 1 to 2 mm. Further, the wear body 10 is set shorter than the entire length of the rotary brush 7 in the longitudinal direction. Two to three wear bodies 10 are installed in the longitudinal direction of the rotating brush 7. The wear body 10 is rotatably supported by a shaft 12.

  The surface of the wear body 10 is made of a material having a negative charging order, and a strip-shaped plate 11 extending in the longitudinal direction of the wear body 10 is provided. It is comprised so that it may protrude from the surface.

The wear body 10 is provided with a hole on the window in the front part on the middle member 4 that covers the upper part of the lower member 5, is installed so as to face the suction port 15, and is supported by the shaft 12. The upper member 2 constituting the appearance is covered on the middle member 4, and is configured so that it can be confirmed even when the wear body 10 is viewed from the upper surface of the upper member 2 by the window portion 3 formed integrally with the upper member 2. .
The sliding member 8 is in contact with the front inner wall of the lower member 5, and a plate member 9 made of a material having a negative charge row order such as Teflon (registered trademark) is provided on the front inner wall of the lower member 5. It is.

  Here, materials that are easily charged on the positive side, such as nylon and wool, are used as materials that have a positive charging order, and materials that are negatively charged, such as fluororesin and vinyl chloride, are used as materials that have a negative charging order. A material that is easily charged on the side may be used.

  About the vacuum cleaner suction tool comprised as mentioned above, the operation | movement and an effect | action are demonstrated below.

  First, the electric blower 23 is activated from a switch on the circuit provided in the hose 21. Negative pressure is generated by the electric blower 23, and suction air flowing into the cleaner body 22 is generated inside the hose 21 and the extension pipe 20. Suction air is generated in the suction port 15 through the pipe 6 in the suction tool main body 1, and dust on the floor surface is sucked and sent into the cleaner main body 22.

  When the drive unit 13 is an electric motor, the drive unit 13 is also activated when the electric blower 23 is activated, and power is transmitted to the rotating brush 7 via the belt 14. From FIG. 1, the rotation direction of the rotary brush 7 is counterclockwise when the suction tool body 1 is viewed from the left side surface of the suction tool body 1.

  Here, the left side surface of the suction tool main body 1 is the arrow C side in FIG. Moreover, the front of the suction tool main body 1 is the arrow A side in FIG. 1, and corresponds to the direction in which the user operates the suction tool main body 1 forward. Furthermore, the rear of the suction tool main body 1 is the arrow B side in FIG. 1 and corresponds to the direction in which the user reversely operates the suction tool main body 1. Moreover, the right side surface of the suction tool main body 1 is the arrow D side in FIG.

  When the rotary brush 7 is driven, the brush body 8 comes into contact with the wear body 10, and the wear body 10 is rotationally driven by the driving force of the brush body 8. Since the rotating brush 7 rotates counterclockwise, the wear body 10 is driven clockwise. Moreover, it can confirm that the abrasion body 10 is rotationally driven from the window part 3. FIG.

  The brush body 8 is in contact with the plate 11 and the plate portion 9, and negative ions are generated by sliding a positive charge order with a negative charge order. Therefore, negative ions are generated between the brush body 8, the plate 11, and the plate member 9.

  Since negative ions are generated so as to be ejected and dispersed on the surface to be cleaned, in this case, since the rotation direction of the rotating brush 7 is counterclockwise, it is dispersed toward the front portion of the suction tool body 1. Will be. Since both the plate 11 and the plate member 9 exist in the longitudinal direction of the rotating brush 7, negative ions are scattered toward the front of the suction tool main body by the length in the longitudinal direction of the rotating brush.

  The vacuum cleaner suction tool according to the present invention can stably supply negative ions to the floor surface and have excellent durability, so that the vacuum cleaner suction tool for wiping and cleaning the floor, etc. It can be applied to other uses.

DESCRIPTION OF SYMBOLS 1 Suction tool main body 7 Rotating brush 8 Brush body 10 Wear body 15 Suction port

Claims (9)

A suction tool body having a suction port on the lower surface;
A rotating brush provided rotatably in the vicinity of the suction port;
The brush body is provided on the outer peripheral portion of the rotating brush, and the brush body is made of a material having a charging order on the plus side;
A cylindrical wear body made of a material provided on the rotating brush and having a negative charging order,
A vacuum cleaner suction tool. The vacuum cleaner suction tool according to claim 1, wherein the wear body is rotationally driven by a rotational force of the rotary brush. The suction tool body is provided with a drive unit that rotationally drives the rotary brush, and the drive unit counteracts the rotary brush when the suction tool body is viewed from the left side surface of the suction tool body. The vacuum cleaner suction tool according to claim 1 or 2, wherein the vacuum cleaner suction tool is configured to rotate clockwise. The wear body is formed so that the length of the wear body in the longitudinal direction is shorter than the length of the rotary brush in the longitudinal direction, and a plurality of the wear bodies are arranged in the longitudinal direction. The vacuum cleaner suction tool according to any one of claims 1 to 3. The suction tool for a vacuum cleaner according to any one of claims 1 to 4, wherein the suction tool body is configured such that the wearable body can be viewed from an upper part of the suction tool body. The vacuum cleaner suction tool according to any one of claims 1 to 5, wherein a strip-shaped plate made of a material having a negative charging order is provided on an outer periphery of the wear body. The vacuum cleaner suction tool according to claim 6, wherein the plate is provided so as to protrude from a surface of the wear body. The electricity according to any one of claims 1 to 7, wherein a plate portion made of a material having a negative charging order is provided on a surface facing the rotating brush in front of the suction tool body. Vacuum cleaner suction tool. The vacuum cleaner which has the vacuum cleaner main body which incorporated the electric blower which emits a suction wind, and the suction tool for vacuum cleaners in any one of Claims 1-8.