JP2003164402A - Cleaner - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To reduce the amount of dust which a scraper fails to scrape away upon making sliding contact with the scooping surface portion of a dust collecting part. <P>SOLUTION: The cleaner 10 has the dust collecting part 23 provided behind the scraper 16. The scraper 16 is formed of a brush for scraping dust by making sliding contact with the scooping surface portion 23B of the dust collecting part 23. The scooping surface part 23B of the dust collecting part 23 is provided with a number of grooves 62 extending along the scraping direction of the scraper 16. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

TECHNICAL FIELD The present invention relates to a cleaning tool.

[0002]

2. Description of the Related Art As a cleaning tool, as described in Japanese Patent Application Laid-Open No. 1-262827, a scooping member is rotatably supported on a frame, and a dust removing part is supported on the rear part of the scooping member on the frame. There is something.

[0003]

As shown in FIG. 4 (C), when the brush forming the scooping body slides against the rake face of the dust removing part to scrape up the dust, the tip of the brush and the rake face are separated from each other. Dust is sandwiched between them and scraped up,
Dust easily falls off from the tip of the brush.

When the scraping body dive into the hair of the carpet and scrapes up the dust, the resistance due to the floor edge of the rake face of the dust collecting portion hitting the hair of the carpet is large, and the cleaning tool advances. The operation force is heavy.

An object of the present invention is to reduce the amount of spillage when the scraper is brought into sliding contact with the rake face of the dust collecting part to scrape up the dust.

Another object of the present invention is to reduce the forward operating force of the cleaning tool.

[0007]

According to a first aspect of the present invention, there is provided a cleaning tool in which a scooping member is rotatably supported by a frame, and a dust collecting part is supported by a rear portion of the scooping member in the frame. A cleaning tool in which the lifting body is a brush that scrapes dust by slidingly contacting the rake face of the dust removing part, and the rake face of the dust removing part is provided with a number of grooves extending along the scraping direction of the scraping body. .

[0008]

BEST MODE FOR CARRYING OUT THE INVENTION As shown in FIGS. 1 and 2, a cleaning tool 10 has a support arm 13 connected to a tip portion of a handle 11 via a joint portion 12 and supported on both side arm portions 13A of the support arm 13. The frame 15 is swingably supported in the front-rear direction via the shaft portion 14.

A flexible scraping body 16 made of a brush is rotatably supported on the front part of the frame 15 via a rotary shaft 17, and a contact rotary body 18 made of a roll body is rotary shaft on the rear part of the frame 15. It is rotatably supported via 19, and the scraping body 16 and the contact rotary body 18 are arranged in parallel. The raking body 16 includes a raking portion 16A (brush portion) and a tire portion 16B, and a raking diameter (brush diameter) of the raking portion 16A is larger than a tire diameter of the tire portion 16B. The contact rotating body 18 includes a roll-shaped contact portion 18A and a tire portion 18B. The contact rotating body 18
The contact portion 18A may be provided with an uneven portion on its surface. The concavo-convex portion means that the roll surface of the contact portion 18A is provided with a rib, a convex portion, a concave portion, a grain surface or the like.

On the scraping body 16 and the contact rotary body 18, an adhesive roll 21 straddling the scraping body 16 and the contact rotary body 18 is placed, and the adhesive roll 21 is rotated along with the rotation of the scraping body 16 and the contact rotary body 18. The upper portion of the frame 15 serves as a loading / unloading port for the adhesive roll 21, and is covered with a removable transparent cover 15A. The pressure-sensitive adhesive roll 21 includes a structure of a roll for winding a pressure-sensitive adhesive sheet, a structure of which the surface is made of an adhesive elastomer, and the surface of which is cleaned to be reusable. In the adhesive roll 21 of this embodiment, the adhesive sheet 21A is used as the core 21.
It is configured by a winding roll that is wound around B and can be unwound and cut with the adhesive surface of the adhesive sheet 21A facing outward.

A dust removing part 23 is supported on the rear part of the scraping body 16 in the frame 15. The dust collecting portion 23 includes a bottom surface portion 23A that is in contact with the floor surface, a curved surface (or flat surface) rake surface portion 23B that faces the scraping body 16 without a gap (or through a gap), and a concave dust receiving portion 23C. Have. The dust removing part 23 is supported by the frame 15 so as to be vertically swingable as will be described later, and by its own weight, the bottom end part 23A and the bottom end part of the rake face part 23B are in contact with the floor surface without a gap, and the scraping body 16 is lifted up. The portion 16A guides all the dust to the adhesive roll 21 side by the rake surface portion 23B without letting the dust scraped up by sliding contact with the rake surface portion 23B to the rear along the floor surface, and large dust is received by the dust receiving portion 23C.
Send to.

The dust collecting portion 23 is supported on the frame 15 so as to be vertically swingable independently of the scraping body 16, and the dust receiving portion 23C of the dust collecting portion 23 is supported so as to be openable from the frame 15.

Specifically, the front end of the dust removing part 23 near the scraping body 16 is provided with a swinging part 40 (pins 41 provided on both side surfaces of the dust removing part 23 on the front end side are provided on both side walls of the frame 15). It is swingably supported by the frame 15 by means of a vertically movable hole 42 provided therein. Also, the dust collector 2
The hole 51 of the engagement / disengagement portion 50 provided at the rear end on the side farther from the scraping body 16 in 3 is engageable with the engagement / disengagement pin 52 provided in the frame 15, and the hole 51 is removed from the engagement / disengagement pin 52. The rear end of the dust removing portion 23 is supported so as to be openable from the frame 15. With the hole 51 of the dust removing part 23 engaged with the detachable pin 52 of the frame 15, the detachable pin 52 is used as the central axis of the swing of the dust removing part 23, and the hole 51 of the dust removing part 23 is used as the frame. With the pin 15 detached from the detachable pin 52, the swinging part 40 serves as the opening central axis of the dust removing part 23.

The cleaning operation by the cleaning tool 10 is performed as follows. (1) The cleaning tool 10 is moved forward by the operation force applied in the axial direction of the handle 11, the scraping body 16 and the contact rotary body 18 are rotated, and at the same time, the adhesive roll 21 is rotated together.

(2) When the scraping portion 16A of the scraping body 16 scrapes up dust on the floor surface, this dust is guided by the dust collecting portion 23 and sent out to the side of the adhesive roll 21, and the adhesive roll 21 Adsorbed and captured on the adhesive surface.

(3) The dust trapped on the adhesive surface of the adhesive roll 21 is rotated by the contact roll 18 as the adhesive roll 21 rotates.
To the side of, and is pressed and fixed on the adhesive surface of the adhesive roll 21 by the contact rotator 18.

(4) Adhesive roll 21 from transparent cover 15A
When it is visually recognized that a large amount of dust has been captured on the entire circumference of the adhesive surface of (1), the cover 15A is opened, one cycle of the adhesive sheet 21A is peeled and cut off to expose a new adhesive surface, and then the cover 15A is opened. close.

In the cleaning tool 10, however, as shown in FIG.
As shown in FIG. 4, on the rake face portion 23B of the dust removing portion 23, a large number of protrusions 61 extending along the scraping direction of the scraping body 16 and a plurality of stripes formed between the adjacent convex parts 61. And a groove 62 of.

The rake face portion 23B of the dust removing portion 23 is
Extend the tips of the multiple projections 61 to the bottom surface 23A,
As a result, the floor-side edge 63 of the rake face portion 23B of the dust removing portion 23 is provided with the uneven tooth surface 64 along the width direction of the edge 63. Then, in a plan view of the rake face portion 23B of the dust removing portion 23 (FIG. 3 (C)), for example, a radius of 0.3 m is provided on both side corner portions 65 of the tip end of the protrusion portion 61 forming the uneven tooth surface 64.
An R surface (curved surface) of about m is provided, and an R surface having a radius of, for example, about 0.3 mm is provided at both side corners 67 of the recess 66, and the uneven tooth surface 64 is a carpet of the floor surface at the both side corners 65. To prevent getting caught in.

The tip shape of the rake face portion 23B of the dust removing portion 23 is designed as shown in FIG.
The forms (A) to (C) can be adopted.

(Embodiment 1) (FIG. 5A) If the tip Ra (roundness radius) of the convex portion 61 is made larger than the tip Rb of the groove 62, the catching of the carpet is reduced.
Specifically, Ra was 0.8 mm and the tip Rb of the groove 62 was 0.3 mm. By making Rb smaller than Ra, dust can be easily scraped up. At this time, the parting line of the mold for molding the dust removing part 23 is provided at the tips of Ra and Rb so as not to cause undercut, but since Ra and Rb are different, the parting line passing through the tips of Ra is used. Line Pa
A part is formed on the parting line Pb passing through the tip of Rb and Rb, and the die becomes complicated.

(Embodiment 2) (FIG. 5B) The tip Ra of the convex portion 61 and the tip Rb of the groove 62 are the same 0.5 mm.
By eliminating the step of the parting line P,
Simplified mold. However, the protrusion amount (about 1 mm) of the tip end of the convex portion 61 with respect to the tip end of the groove 62 may be excessive, and the edge 63 of the rake face portion 23B may be slightly caught on the carpet.

(Embodiment 3) (FIG. 5 (C)) The tip Ra of the convex portion 61 and the tip Rb of the groove 62 are the same 0.5 mm.
By eliminating the step of the parting line P,
Simplified mold. Further, with respect to the inclination angle θa (for example, 50 degrees) with respect to the bottom surface portion 23A of the portion other than the tip end side of the convex portion 61, the inclination angle θ with respect to the bottom surface portion 23A on the tip end side of the convex portion 61.
By increasing b (for example, 65 degrees), the amount of protrusion (0.4 mm) of the tip of the convex portion 61 with respect to the tip of the groove 62 was reduced, and the trapping of the carpet by the edge 63 of the rake face portion 23B was suppressed.

According to this embodiment, there are the following effects. (Operation corresponding to claim 1) When the brush forming the scraping body 16 slides on the rake face portion 23B of the dust removing portion 23 to scrape up the dust,
As shown in (A) and (B), the tip of the brush enters the groove 62 of the rake face portion 23B, and the dust is supported by the belly of the brush and scraped up, so that the dust can be removed without dropping from the tip of the brush. Can be reduced.

(Operation corresponding to claim 2) When the scraping body 16 dive into the fluff of the carpet to scrape up dust, the edge 63 on the floor side in the rake face part 23B of the dust removing part 23 is uneven. The tooth surface 64 is formed, and the convex tooth surface of the edge 63 scrapes off the hairs of the carpet and advances, so that the resistance against the advance is small and the forward operation force of the cleaning tool 10 can be reduced.

(Operation corresponding to claim 3) The dust scraped up by the scraping body 16 from the deep part of the hair of the carpet, and the dust scraped backward from the hard flat surface of the flooring, the dust on the rear part of the scraping body 16. Dust collector 23
It is scooped up to be surely guided to the side of the adhesive roll 21, and surely adhered and captured on the adhesive surface of the adhesive roll 21,
The dust collection performance can be improved.

(Other Actions) Since the dust removing part 23 can swing independently of the scraping body 16, when the cleaning tool 10 is used for a carpet having long hair, the scraping body 16 is made up of the carpet hair. The dust collector 23 slides on the upper surface of the carpet and does not resist the forward movement even when it is submerged in the foot and scrapes up the dust, so that the operability is good.

The scraping body 16 includes a scraping portion 16A,
When the tire portion 16B is formed, even if the tire portion 16B is submerged in the fluff of the carpet, the dust removing portion 23 slides on the upper surface of the carpet and does not resist the forward movement.

Since the scraping body 16 is provided with the tire portion 16B, the tire portion 16B is pressed against the floor surface by the weight of the cleaning tool 10 to rotate, and the scraping body 16 is surely rotated. Since the scraping diameter is made larger than the tire diameter, the scraping portion 16A strongly scrapes dust by the scraping force based on the restoration of the elastic deflection to improve the scraping performance and also the dust in the deep part of the fiber of the carpet. You can scrape it well.

It should be noted that the adhesive roll 21 is only required to rotate in association with the movement of the cleaning tool 10, and the adhesive roll 21 is interlocked with the scraping body 16 by interlocking means such as a gear train and a wrapping body. It may be a device that rotates together with the scraping body 16 and rotates.

As the pressure-sensitive adhesive roll used in the present invention, a core roll which is detachably covered with a cylindrical sheet may be used. At this time, the original shape of the tubular sheet is a sheet-type envelope sheet, and a large number of envelope sheets can be stacked and stored. Further, the pressure-sensitive adhesive body of the present invention does not necessarily have to be in a roll shape.

Further, in the present invention, the contact rotating body is not limited to the roll body, but may be a tire or the like.

In the present invention, the floor surface is a tatami mat, a flooring, a carpet or the like, and has a particularly remarkable and unique effect on the carpet.

[0034]

As described above, according to the present invention, it is possible to reduce the spillage when the scraper is brought into sliding contact with the rake face of the dust collecting part to scrape up the dust. Further, according to the present invention, the forward operation force of the cleaning tool can be reduced.

[Brief description of drawings]

FIG. 1 is a schematic view showing a cleaning tool.

FIG. 2 is an exploded perspective view showing a cleaning tool.

FIG. 3 is a schematic view showing a rake face portion of the dust removing portion.

FIG. 4 is a schematic diagram showing a state where dust is picked up by a scraping body.

FIG. 5 is a schematic diagram showing the tip shape of the rake face of the dust collector.

[Explanation of symbols]

10 cleaning tools 15 frames 16 scraping body 21 Adhesive roll (adhesive) 23 Dust collector 23B Rake face 62 Multiple groove 63 edge 64 uneven tooth surface

Claims (3)

[Claims] 1. A cleaning tool in which a scooping body is rotatably supported by a frame, and a dust removing portion is supported at a rear portion of the scraping body in the frame, wherein the scraping body slides on a rake face portion of the dust collecting portion. A cleaning tool that consists of a brush that contacts and scavenges dust, and that has a large number of grooves extending along the scooping direction of the scooping body on the rake face of the dust collector. 2. The cleaning tool according to claim 1, wherein an edge on the floor surface side of the rake face portion of the dust removing portion is provided with an uneven tooth surface along the width direction of the edge. 3. The cleaning tool according to claim 1, wherein the frame is provided with an adhesive body which is arranged above the scraping body and which is arranged above the dust removing section.