JP7065821B2 - Cleaning tool - Google Patents

Description

The present invention relates to a cleaning tool, and more particularly to a cleaning tool having a cleaning tool main body and a handle portion, and wiping a cleaning target with a cleaning sheet attached to the cleaning tool main body.

The cleaning tool that covers the cleaning surface and is equipped with a cleaning sheet made of non-woven fabric, etc., removes dust and dirt from the floor surface, etc. to be cleaned. By wiping the object to be cleaned, dust and dirt can be attached to the cleaning sheet for easy cleaning.

According to such a cleaning tool, if the lower surface of the cleaning tool main body, which is the cleaning surface, is simply a flat surface, dust and dirt are likely to adhere to the peripheral portion of the cleaning surface, and the entire cleaning surface is wiped off. Therefore, various cleaning tools have been developed in which the cleaning efficiency is improved by devising the shape of the cleaning surface of the cleaning tool main body (see, for example, Patent Document 1 and Patent Document 2).

The cleaning tools of Patent Document 1 and Patent Document 2 have a curved shape of the cleaning surface on the lower surface of the cleaning tool body using an elastic cushion material, so that dust and dirt can be easily taken in from the peripheral portion of the cleaning surface to the inside, and the cleaning surface can be used. A large number of irregularities and corrugated ridges are provided to facilitate cleaning of an uneven cleaning target and to easily scrape off dirt on the cleaning target.

Japanese Unexamined Patent Publication No. 2001-299659 Japanese Unexamined Patent Publication No. 2013-34766

Further, in the cleaning tools of Patent Document 1 and Patent Document 2, the cleaning tool main body has a horizontally long rectangular planar shape in a plan view, and the short side direction of the rectangular planar shape is the main cleaning direction. As a result, it is possible to perform cleaning work efficiently by using a cleaning surface with a wide width in the long side direction, but on the other hand, a narrow area with an installation object such as a toilet where a toilet bowl is installed. It is not suitable for cleaning the floor surface and other objects to be cleaned because the base body is not sufficiently deformed when it is applied to the object to be cleaned. For these reasons, it is required to newly develop a cleaning tool suitable for cleaning an object to be cleaned such as a floor surface or an installation object in a narrow area with a floor surface or an installation object.

INDUSTRIAL APPLICABILITY According to the present invention, the work of improving the deformation of the base body when it is applied to the object to be cleaned and efficiently cleaning the object to be cleaned such as the floor surface in a narrow area or the area where the installation object is present. The purpose is to provide a cleaning tool that can be used.

The present invention includes a cleaning tool body including a cleaning head and a base body attached over one surface of the cleaning head, and a handle attached to the other surface of the cleaning head opposite to one surface. A cleaning tool provided with a portion, a cleaning sheet is attached to cover the cleaning surface of the base body, and the cleaning target is wiped off by the cleaning sheet. When viewed in a plan view, the base body has a planar shape having a pair of short side portions and a pair of long side portions on both sides of the pair of short side portions, and the base body has an arcuate cross section along the longitudinal direction. It is formed into a curved plate shape, and is joined to the cleaning head at a pair of short side portions, and is wiped by being in a curved shape protruding from one surface of the cleaning head. The above object is achieved by providing a cleaning tool that is elastically deformably attached by a pressing force on the cleaning head via the handle portion at the time.

In the embodiment of the present invention described later, the front-back, left-right, and up-down directions may be specified, but these directions are specified for convenience in order to briefly explain the relative relationship of the constituent elements of the present invention. It does not limit the direction at the time of manufacture or use when the present invention is carried out.

According to the cleaning tool of the present invention, the work of improving the deformation of the base body when it is applied to the object to be cleaned and cleaning the object to be cleaned such as the floor surface in a narrow area or the area where the installation object is located. Can be done efficiently.

It is a perspective view explaining the whole structure of the cleaning tool which concerns on one preferable embodiment of this invention. It is a main part exploded perspective view explaining the structure of the cleaning tool which concerns on one preferable embodiment of this invention. FIG. 3 is a cross-sectional view taken along the line AA of FIG. 2 in a state where the handle portion and the sandwiching lid piece are removed, which explains the configuration of the cleaning tool main body. It is a perspective view which looked at the cleaning head from the lower surface side. It is a top view and a partially enlarged view of the cleaning surface by a base body. It is a perspective view of the main part of a cleaning tool with a cleaning sheet attached to the cleaning tool main body. The configuration of the joint portion between the cleaning tool main body and the handle portion will be described, (a) is a side view seen from the short side direction of the cleaning tool main body, and (b) is a front view seen from the long side direction of the cleaning tool main body. (C) is an enlarged view of part B of (b). (A) is a partial perspective view in a state where the sandwiching lid piece is open, and (b) is a broken portion perspective view in a state where the sandwiching lid piece is closed, which explains the configuration of the fastening portion for fastening the cleaning sheet. be.

The cleaning tool 10 according to a preferred embodiment of the present invention shown in FIG. 1 covers the cleaning surface 14 of the base body 13 of the cleaning tool main body 11 and has a removable and replaceable cleaning sheet 30 (see FIG. 6). When attached, for example, as a small area of floor or area with installation, preferably for cleaning toilets, washrooms, kitchens, entrance building floors, walls, doors, ceilings, etc., or under or on walls of washing machines. It is used for cleaning the floor surface and installation objects, targeting the gap between the floor and the top surface of the refrigerator. For example, a toilet is generally an area of about one tatami mat or less, and an installation object such as a toilet bowl becomes an obstacle, and the cleaning tool 10 can be freely used, for example, when cleaning the floor of a living room. It is difficult to move, and it is also difficult for the worker to wrap around behind the toilet bowl to perform the work. Therefore, it becomes necessary to perform the work while inserting the cleaning tool main body 11 into the narrow space or the space behind the toilet bowl. The cleaning tool 10 of the present embodiment is used when the work of cleaning the floor surface, the installation object, or the like to be cleaned in such a narrow area of the floor surface or the area where the installation object is present is applied to these objects to be cleaned. It has a function to improve the deformation of the base body 13 and to perform it efficiently by a stable operation with a good turning.

The cleaning tool 10 of the present embodiment is one of a cleaning tool main body 11 including a cleaning head 12 and a base body 13 attached by covering a lower surface which is one surface of the cleaning head 12, and one of the cleaning heads 12. The cleaning sheet 30 is provided with a handle portion 20 attached via a joint portion 40 to the upper surface which is the other surface on the opposite side to the surface, and covers the cleaning surface 14 by the lower surface which is one surface of the base body 13 (FIG. 6) is attached, and the cleaning sheet 30 has a compact shape compared to conventional cleaning tools suitable for cleaning the floor surface of a toilet, for example, the floor surface of a living room, etc. It is a cleaning tool. As shown in FIGS. 2 and 3, the cleaning head 12 and the base body 13 of the cleaning unit main body 11 have a pair of short side portions 12a and 13a and a pair of short side portions 12a and 13a in a plan view. It has a planar shape having a pair of long side portions 12b and 13b on both sides of the above. The base body 13 is formed into a plate shape in which the cross section along the longitudinal direction is curved in an arc shape, and the joining with the cleaning head 12 is performed at the pair of short side portions 13a, and the lower surface of the cleaning head 12 is formed. It is attached so as to be elastically deformable by the pressing force on the cleaning head 12 via the handle portion 20 at the time of wiping by being in a state of protruding from the curved shape.

Further, in the present embodiment, the cleaning sheet 30 covering the cleaning surface 14 by the lower surface, which is preferably one surface of the base body 13, is folded back at the short side portion 13a of the base body 13, as shown in FIG. For example, the end portion is attached to the cleaning head 12 via the attachment portion 50 described later, so that the end portion is attached to the cleaning tool main body 11.

Further, in the present embodiment, as shown in FIGS. 1 and 2, the base body 13 preferably has a planar shape slightly larger than that of the cleaning head 12, and the peripheral portion of the base body 13 is flexible. As a deformable annular overhang piece 15, it continuously overhangs the outer periphery of the peripheral edge of the cleaning head 12 in the circumferential direction.

Here, in the present specification, the direction along the short side portion 12a of the cleaning head 12 is the short side direction or the left-right direction (X direction), and the direction along the long side portion 12b is the long side direction or the front-back direction (Y). It will be described as (direction) (see FIG. 2).

In the present embodiment, as shown in FIGS. 1 to 3, the cleaning head 12 constituting the cleaning tool main body 11 of the cleaning tool 10 has, for example, a maximum length of about 50 to 90 mm in the short side direction (X direction) (this). In the embodiment, it has a substantially rectangular planar shape having a maximum length of about 120 to 160 mm (140 mm in the present embodiment) in the long side direction (Y direction), for example, ABS resin (acrylic nitrile). It is a flat plate-shaped member made of plastic made of (butadiene-styrene) or the like. As a result, the cleaning head 12 has a compact shape as compared with a conventional cleaning tool suitable for work mainly for cleaning the floor surface of the living room. The pair of long side portions 12b of the cleaning head 12 includes a constricted portion 12c having a radius of curvature of, for example, about 200 to 300 mm, which is concavely curved toward the center side to which the handle portion 20 is connected. Further, as shown in FIG. 4, the annular peripheral wall rib 16 is continuously formed in the circumferential direction so as to project toward the lower surface side at a height of, for example, about 3 to 10 mm from the peripheral edge of the cleaning head 12. The outer peripheral surface of the corner of the annular peripheral wall rib 16 in the short side portion 12a is formed so as to have an arc shape. This makes it possible to effectively prevent the cleaning sheet 30 to be mounted from being easily damaged when folded back at the short side portion 12a.

Further, as shown in FIG. 4, on the lower surface side of the cleaning head 12, the pressing force applied from the handle portion 20 attached to the central portion on the upper surface side is applied to the central portion of the region surrounded by the annular peripheral wall rib 16. Reinforcing ribs 17 forming a three-dimensional pattern having a predetermined shape for increasing rigidity are provided so as to project at a height not exceeding the lower end of the annular peripheral wall rib 16 over a considerably wide area of the central portion. There is. The joining ribs 18a are arranged close to the annular peripheral wall ribs 16 on both side short side portions 12a in the long side direction (Y direction) of the region surrounded by the annular peripheral wall ribs 16 and extend in the short side direction (X direction). However, it is provided so as to project at a height not exceeding the lower end of the annular peripheral wall rib 16. Through these joining ribs 18a, the short side portion 13a of the base body 13 is joined and fixed to the short side portion 12a of the cleaning head 12.

Further, on the lower surface side of the cleaning head 12, a circular insertion recess 51 (FIG. 8 (FIG. 8), which will be described later, is adjacent to the central portion side where the reinforcing ribs 17 of the respective joining ribs 18a are provided, and on the upper surface side of the cleaning head 12. The circular convex portion 18b is arranged due to the formation of a)). On the lower surface side of the circular convex portion 18b, a locking rib 18c for engaging the magnet 52 constituting the engagement portion 50 described later is arranged in a concentric circle with the circular convex portion 16b in a divided state. Therefore, it is provided so as to project at a height not exceeding the lower end of the annular peripheral wall rib 16. Further, adjacent to the central portion side of each circular convex portion 18b provided with the reinforcing rib 17, a horizontally long rectangular shape for rotatably pin-connecting the sandwiching lid piece 54 constituting the engagement portion 50 described later. Shaft support ribs 18e project from both ends of the connecting opening 18d in the short side direction (X direction), in which the connecting opening 18d extends in the short side direction (X direction). It is provided. Arc-shaped auxiliary reinforcing ribs 18f are provided on both sides of the circular convex portion 16c in the short side direction (X direction) so as to project.

As shown in FIG. 2, on the upper surface side of the cleaning head 12, a joint portion 40 with the handle portion 20 of the cleaning tool main body 11 is formed in the central portion, preferably a bifurcated head side yoke portion 19 is located in the center. It is provided so as to raise the part. Further, on both side portions in the long side direction (Y direction) sandwiching the head side yoke portion 19, the engagement portions described later are superimposed on the end portions in the long side direction (Y direction) on the upper surface of the cleaning head 12. The sandwiching lid pieces 54 constituting the 50 are attached so as to be openable.

As shown in FIGS. 1 to 3, the base body 13 constituting the cleaning tool main body 11 of the cleaning tool 10 together with the cleaning head 12 is one size larger than the cleaning head 12, for example, the maximum length in the short side direction (X direction). A substantially rectangular planar shape having a thickness of about 60 to 100 mm (82 mm in this embodiment) and a maximum length in the long side direction (Y direction) of about 130 to 170 mm (152 mm in this embodiment). Deformable of having an elastoma having a thickness of preferably about 0.5 to 3.0 mm, for example, having a hardness of about 90 (value measured by durometer type A (shore A) specified by JIS K 6253) and the like. It is a thin plate-shaped member. As a result, when the base body 13 is integrally joined to the cleaning head 12, the peripheral portion of the cleaning head 12 is formed as a flexible and deformable annular overhang piece 15 that overhangs with an overhang width of preferably 2 to 20 mm. It will project outward from the periphery in a continuous state in the circumferential direction. The base body 13 has a radius of curvature larger than the radius of curvature of the constricted portion 12c of the long side portion 12b of the cleaning head 12, preferably at the edge of the annular overhang piece 15 projecting outward from the long side portion 12b of the cleaning head 12. For example, an edge constriction portion 13e that curves concavely with a radius of curvature of about 300 to 500 mm may be provided (see FIG. 5).

Further, the base body 13 is formed into a thin plate having a cross section along the long side direction (Y direction), which is the longitudinal direction, curved in an arc shape with a radius of curvature of preferably about 300 to 600 mm (see FIG. 3). .. As a result, when the base body 13 is integrally joined to the cleaning head 12, it is attached in a state of protruding from the lower surface of the cleaning head 12 in a curved shape, and is attached to the cleaning head 12 via the handle portion 20 at the time of wiping. By the pressing force, it can be elastically deformed so as to be crushed and have a flat shape. It is preferable that the base body 13 retains a curved shape even before being joined to the cleaning head 12.

Further, in the present embodiment, as shown in FIGS. 2 and 3, the short side portions 13a on both sides of the upper surface side, which is the other surface of the base body 13, are formed so as to project toward the lower surface side of the cleaning head 12. The base-side joining ribs 13c are provided at positions corresponding to the joining ribs 18a in a state of being extended and erected in the short side direction (X direction). Further, on the long side portions 13b on both sides of the upper surface side of the base body 13, the pair of plate-shaped ribs 13d are connected to each other so that both ends of the pair of base side joining ribs 13c are connected to each other. At a position corresponding to the annular peripheral wall rib 16 of the pair of long side portions 12b, the ribs are provided in an upright state so as to form an annular continuous rib together with the base side joining rib 13c.

The pair of base-side joining ribs 13c of the short-sided portions 13a on both sides are joined to the pair of joining ribs 18a provided on the lower surface side of the short-sided portions 12a on both sides of the cleaning head 12 from the outside, for example, via an adhesive. By doing so, the base body 13 can be integrally joined to the cleaning head 12. The base-side joining rib 13c can also be joined to the joining rib 18a by other joining methods such as fitting, sandwiching, and ultrasonic sealing. The pair of base-side joining ribs 13c are joined to the pair of joining ribs 18a of the short-sided portions 12a on both sides of the cleaning head 12, so that the pair of plate-shaped ribs 13d of the long-sided portions 13b on both sides of the base body 13 are joined to each other. Can be slidably moved up and down along the inner side surface of the annular peripheral wall rib 16 of the pair of long side portions 12b of the cleaning head 12. The length of the annular peripheral wall rib 16 of the cleaning head 12 is provided by providing the base body with a pair of plate-shaped ribs 13d that can slide along the inner surface of the long side portion of the annular peripheral wall rib 16 of the cleaning head 12. By closing the gap between the side portion and the long side portion of the base body 13 curved in the long side direction (Y direction), it is possible to effectively prevent dust and debris from entering the inside of the cleaning head 12. Will be possible.

Further, by this, the pair of plate-shaped ribs 13d are cleaned by the pressing force on the cleaning head 12 via the handle portion 20 at the time of wiping from the state where the base body 13 is projected from the lower surface of the cleaning head 12 in a curved shape. While sliding along the annular peripheral wall rib 16 of the long side portion 12b of the head 12, it can be elastically deformed and crushed so as to have a flat shape.

Furthermore, in the present embodiment, as shown in FIG. 5, preferably a plurality of planar convex ribs 14a are dispersedly arranged on the lower surface forming the cleaning surface 14, which is one surface of the base body 13. It is provided in a protruding state. The planar convex rib 14a is a three-dimensional rib having a tip preferably a flat surface. The planar convex rib 14a preferably protrudes from the lower surface of the base body 13 at a height of 0.5 to 5 mm, and more preferably protrudes at a height of 1 to 3 mm. By providing a plurality of planar convex ribs 14a on the lower surface of the base body 13 in a distributed manner as a whole, for example, a floor surface to be cleaned and a lower surface of the base body 13 which is a cleaning surface 14 can be provided. When the cleaning tool main body 11 is moved along the floor surface with the cleaning sheet 30 sandwiched between them, the cleaning sheet 30 is placed on the floor surface by a plurality of surfaces formed by finely distributed planar convex ribs 14a. It becomes possible to press the cleaning sheet 30 and cause a relative misalignment with respect to the cleaning surface 14, and especially when the cleaning sheet 30 is a water-decomposable sheet, the cleaning sheet 30 is easily torn and a hole is easily opened. It becomes possible to effectively avoid becoming.

Further, it is preferable that the planar convex rib 14a has a triangular planar shape when viewed in a plan view. In the present embodiment, it has a plane shape having a regular triangular shape. By providing the triangular flat shape, even if the cleaning tool main body 11 is moved not only in the long side direction (Y direction) but also in the short side direction (X direction) to wipe the cleaning target, the cleaning sheet 30 slips and cleans. Cleaning can be performed without causing a relative misalignment with respect to the surface 14. The planar convex ribs 14a having a regular triangular planar shape are arranged radially so that the bottom portions of the planar convex ribs 14a at each of the six locations are arranged on the six sides of a virtual hexagon. It is preferable that the structure is provided. As a result, the position of the cleaning sheet 30 relative to the cleaning surface 14 is displaced even when the cleaning tool main body 11 is moved in the long side direction (Y direction) and the short side direction (X direction) in a mixed manner. Is effectively prevented and reliable cleaning is possible.

In the present embodiment, as shown in FIG. 1, the handle portion 20 constituting the cleaning tool 10 together with the cleaning tool main body 11 is integrally connected and fixed to the elongated rod-shaped handle main body 21 and the upper part of the handle main body 21. It consists of a part 22.

The handle body 21 is formed by connecting a pipe member 21a made of, for example, an aluminum alloy or ABS resin in the axial direction via a known connecting portion 23, so that the entire handle portion 20 including the grip portion 22 can be formed. It is assembled so as to have a length of, for example, about 50 to 70 cm, which is suitable for cleaning a narrow space such as a toilet. A bifurcated handle-side yoke portion 24, preferably composed of a pair of yoke pieces 24a, is integrally provided at the lower end portion of the handle body 21 (handle portion 20). A grip portion 22 is detachably attached to the upper end portion of the handle body 21 via a known connecting portion 23a having a structure substantially similar to that of the connecting portion 23 of the pipe member 21a. The handle portion 20 is rotatably attached to the central portion on the upper surface side of the cleaning head 12 by a joint portion 40 via a rotary connecting member 41 described later.

The grip portion 22 is a molded product made of, for example, ABS resin, and has a thickness that is easy to grip by hand and a substantially cylindrical shape having an outer shape. Ethylene vinyl acetate (preferably ethylene vinyl acetate) is used as a relatively soft elastic material having a rubber hardness of 40 to 80 (value measured by durometer type A (shore A) specified by JIS K 6253) at the upper end of the grip portion 22. EVA) An end cap 25, which is a transparent or translucent elastic member made of resin, is attached, which improves stability when, for example, the handle portion 20 is leaned against a wall, and grips the grip portion 22. It becomes possible to improve the operability of the cleaning tool 10 to be performed.

The joint portion 40 that rotatably connects the cleaning head 12 and the handle portion 20 is provided at the head side yoke portion 19 projecting from the upper surface, which is the other surface of the cleaning head 12, and the tip portion of the handle portion 20. By connecting the handle-side yoke portion 24 to the cleaning head 12 via the rotary connecting member 41, the handle portion 20 can be rotatably connected to the cleaning head 12 in the front-rear direction Y and the left-right direction X. .. The rotation connecting member 41 has a first rotation axis center portion 41a in which the central axis C1 (see FIG. 7B) is arranged in the short side direction (X direction) and the central axis C2 in the long side direction (Y direction). (See FIG. 7A) is provided with a second rotation axis center portion 41b in which the central axis C1 and the central axis C2 are orthogonal to each other. Further, in the present embodiment, the head-side yoke portion 19 is preferably a bifurcated yoke portion with a pair of yoke protrusions 19a, and the handle-side yoke portion 24 is preferably a bifurcated yoke portion with a pair of yoke pieces 24a. It is the yoke part of. Further, in the present embodiment, as shown in FIG. 7B, the height from the lower surface of the cleaning head 12 to the central axis C1 of the first rotation axis center portion 41a on the side close to the lower surface of the rotation connecting member 41. The h1 is preferably 10 to 20 mm.

In the present embodiment, the head-side yoke portion 19 is a raised portion provided in a mound shape from the central portion of the upper surface of the cleaning head 12, as shown in FIGS. 2 and 7 (a) to 7 (c). It has a shape in which the central portion is cut out with a notch width of, for example, about 10 to 30 mm. As a result, the head-side yoke portion 19 includes a pair of symmetrically shaped yoke protrusions 19a arranged at intervals with the steep surface 19b substantially perpendicular to the lower surface of the cleaning head 12 as a facing surface.

Further, in the present embodiment, the first rotating pin member 19c is erected at the spaced portion of the facing surface 19b of the pair of yoke protrusions 19a arranged at intervals, and both ends of the first rotating pin member 19c are provided at the central portion of each facing surface 19b. The portions are provided in a state of being integrally joined to each other. The first rotation shaft center portion 41a of the rotation connection member 41 is rotatably mounted and locked to the first rotation pin member 19c.

In the present embodiment, the handle side yoke portion 24 is paired by forming a through groove 24b having a considerable width from the tip of the handle portion 20 toward the grip portion 22 side in the axial direction at the lower end portion of the handle portion 20. It is formed in a bifurcated shape by the strip-shaped yoke piece 24a. The pair of yoke pieces 24a are formed so that the tip edge portion is formed in an arc shape and the outer peripheral surface is a gently curved convex surface, and the pair of yoke pieces 24a are arranged on both sides of the through groove 24b.

Further, in the present embodiment, the second rotary pin member 24c is erected so as to cross the through groove 24b between the pair of yoke pieces 24a, and both ends thereof are integrally joined to the inner side surface of each yoke piece 24a. It is provided in a state of being. The second rotation shaft center portion 41b of the rotation connection member 41 is rotatably mounted and locked to the second rotation pin member 24c.

In the present embodiment, the rotary connecting member 41 provided between the head-side yoke portion 19 and the handle-side yoke portion 24 is, for example, a molded product made of plastic, and FIGS. 2 and 7 (a) to 7 (a). As shown in (c), a first rotation axis center portion 41a and a second rotation axis center portion 41b whose central axes C1 and C2 are orthogonal to each other in a grade separation shape are provided. The first rotation shaft core portion 41a of the rotation connecting member 41 has a substantially cylindrical shape, for example, a portion opposite to the second rotation shaft core portion 41b side is cut out in a strip shape as a mounting port. The central axis inside the hollow hollow having a substantially cylindrical shape is the central axis C1 of the first rotation axis center portion 41a. The second rotation shaft core portion 41b of the rotation connecting member 41 is, for example, a thick plate-shaped portion provided so as to project outward from the outer peripheral surface of the first rotation shaft core portion 41a. The second rotation shaft center portion 41b has, for example, a mounting recess in which a portion opposite to the first rotation shaft center portion 41a side is cut out in a concave shape, and the central axis of the mounting recess has a central axis. It is the central axis C2 of the second rotation axis center portion 41b.

In the present embodiment, for example, the mounting recess of the second rotation shaft center portion 41b of the rotation connecting member 41 is forcibly pushed into the second rotation pin member 24c between the pair of yoke pieces 24a of the handle side yoke portion 24. Then, the rotation connecting member 41 is attached to the lower end portion of the handle portion 20 by rotatably attaching the second rotation shaft center portion 41b to the second rotation pin member 24c. After that, the mounting port of the first rotation shaft center portion 41a of the rotation connecting member 41 is forcibly pushed to the first rotation pin member 19c between the facing surfaces 19b of the pair of yoke protrusions 19a of the head side yoke portion 19. The joint portion 40 is formed by pushing in while rotatably mounting the first rotation shaft center portion 41a on the first rotation pin member 19c. As a result, the lower end portion of the handle portion 20 is rotatably connected to the central portion of the upper surface of the cleaning head 12. Further, by this, the handle portion 20 is rotated in the left-right direction (X direction) and the front-back direction (Y direction) from the state where the handle portion 20 is erected vertically with respect to the cleaning head 12 of the cleaning tool main body 11 and tilted. At the same time, the handle portion 20 can be freely rotated in the circumferential direction around the rotation connecting member 41 as the rotation center.

In the present embodiment, the cleaning tool 10 is used for cleaning work by covering the cleaning surface 14 by the lower surface of the base body 13 of the cleaning tool main body 11 and attaching a disposable cleaning sheet 30 so as to be removable and replaceable. As shown in FIG. 6, the cleaning sheet 30 is preferably folded back at the short side portions 12a and 13a of the cleaning head 12 and the base body 13, and the end portions are anchored to the cleaning head 12 via the engaging portion 50. As a result, it is attached to the cleaning tool main body 11. The cleaning sheet 30 is folded back at the short side portions 12a and 13a of the base body 13 and the ends are engaged with the cleaning head 12, so that when cleaning a narrow area, the cleaning sheet is started from the short side portions 12a and 13a. It becomes possible to collect dust and dirt better in 30.

The cleaning sheet 30 is attached so as to cover the cleaning surface 14 by the lower surface of the base body 13 of the cleaning tool main body 11, and is known as a sheet suitable for adhering dust, dirt, etc., for example, an olefin-based ultrafine fiber non-woven fabric. Various cleaning sheets can be used. When used for cleaning the floor surface of a toilet or the like, the cleaning sheet 30 is preferably a hydrolyzable sheet that can be flushed directly into a toilet bowl for washing after wiping the floor surface or the like. ..

In the present embodiment, the engaging portion 50 in which the cleaning sheet 30 is attached to the cleaning head 12 and attached to the cleaning tool main body 11 is as shown in FIGS. 2, 6 and 8 (a) and 8 (b). A sandwiching lid piece 54 provided so as to be superposed on a portion on the upper surface side, which is the other surface of the cleaning head 12, which is preferably one step lower in the long side direction (Y direction), and a long side of the cleaning head 12. A magnet 52 attached to either one of the end portion in the direction or the sandwiching lid piece 54 (in this embodiment, the end portion in the long side direction of the cleaning head 12) and the other (in this embodiment, the sandwiching lid piece 54). It is configured to include a magnet 52 to be attached and a magnetic material 53 that can be magnetized. The ends of the cleaning sheet 30 folded back at the short side portions 12a and 13a of the cleaning head 12 and the base body 13 are formed on the upper surface of the end portion preferably one step lower in the long side direction of the cleaning head 12 and the sandwiching lid piece 54. The cleaning sheet 30 can be easily attached to and detached from the cleaning tool main body 11 by being sandwiched and engaged with the lower surface (see FIG. 6). Further, the magnetic force between the magnet 52 and the magnetic body 53 enables more secure engagement between the upper surface of the end portion of the cleaning head 12 and the lower surface of the sandwiching lid piece 54, and the opening / closing operation by the lid piece 54. Can be done more smoothly.

Further, in the present embodiment, the sandwiching lid piece 54 has both ends supported by shaft support ribs 18e provided on both sides of the connecting opening 18d (see FIGS. 3 and 4) formed in, for example, the cleaning head 12. A flange-shaped rotary base 54b (see FIG. 8 (b)) formed so as to be inserted into the connecting opening 18d on the rotary shaft 54a (see FIG. 8 (b)) extending and fixed in the short side direction (X direction). A) and (b)) are preferably pin-connected so that they can be rotatably attached to the cleaning head 12. That is, the sandwiching lid piece 54 can rotate about a rotation shaft 54a arranged in the short side direction apart from the short side portion 12a of the cleaning head 12. Further, as a result, the sandwiching lid piece 54 is provided so as to be openly overlapped with the end portion in the long side direction (Y direction) of the portion on the upper surface side of the cleaning head 12.

Further, in the present embodiment, as shown in FIG. 8B, the magnet 52 constituting the engagement portion 50 has a circular insertion recess 51 formed on the upper surface side of the cleaning head 12 (see FIG. 8A). ) On the lower surface (rear surface) side of the portion protruding downward as the circular convex portion 18b (see FIG. 4), to the locking rib 18c arranged in a state of being concentrically divided with the circular convex portion 18b. It is locked and attached. Further, as a result, the magnet 52 is attached to the back surface side of the plate material in a state of being covered with the plate material of the portion of the insertion recess 51 forming the upper surface of the cleaning head 12.

As shown in FIG. 8B, the magnetic body 53 constituting the engagement portion 50 corresponds to the position of the insertion recess 51 (see FIG. 8A) formed on the upper surface side of the cleaning head 12. It is housed in the inner region of the circular insertion convex portion 54c provided on the lower surface side of the sandwiching lid piece 54, and is attached in a state of being covered by the cover cap 54d which is locked from the outside to the insertion convex portion 54c. Further, as a result, the magnetic material 53 is attached to the back surface side of the plate material in a state of being covered with the plate material of the portion of the cover cap 54d forming the lower surface of the sandwiching lid piece 54.

Here, the magnetic substance is a substance that can be magnetized and means a substance that adheres to a magnet. The magnetic material is preferably a metal such as iron, nickel, or cobalt, which is a ferromagnet that strongly magnetizes in the same direction when the magnet is brought close to it, or may be the magnet itself.

In the present embodiment, the cleaning sheet 30 preferably has a width wider than the length in the short side direction (X direction) of the base body 13 constituting the cleaning tool main body 11 and more than the length in the long side direction (Y direction). It has a rectangular shape with a wide vertical width. The cleaning sheet 30 is arranged on the lower surface side of the base body 13 along the long side direction (Y direction) of the base body 13 in the vertical width direction, and the sandwiching lid piece 54 is opened as shown in FIG. 8A. In this state, the end portion of the cleaning sheet 30 that protrudes outward from the short side portion 13a of the base body 13 in the long side direction (Y direction) is preferably the end portion of the cleaning head 12 and the base body 13. Fold back at the short side portions 12a and 13a. Further, after laying the end portion of the cleaning sheet 30 folded back at the short side portions 12a and 13a on the one step lower end portion on the upper surface of the cleaning head 12, the sandwiching lid piece 54 in the open state is attached to the cleaning sheet 30. As shown in FIG. 8B, the cleaning head 12 is placed in a closed state by overlapping the lower end portion of the upper surface of the cleaning head 12 on which the end portion is laid. As a result, the sandwiching lid piece 54 is preferably arranged so that the upper surface thereof is flush with the upper surface of the central portion of the base body 13, and the upper surface thereof is one step lower at the end portion of the cleaning head 12. The end of the cleaning sheet 30 can be easily sandwiched between the lower surface of the sandwiching lid piece 54 by the magnetic force of the magnet 52 and the magnetic body 53, and the end of the cleaning sheet 30 is sandwiched. Can be held firmly.

That is, according to the present embodiment, the ends on both sides of the cleaning sheet 30 arranged so as to cover the cleaning surface 14 by the lower surface of the base body 13 are folded back at the cleaning head 12 and the short side portions 12a and 13a of the base body 13. The cleaning sheet is preferably sandwiched between the upper surface of both end portions of the cleaning head 12 and the lower surface of the sandwiching lid piece 54 on both sides by the magnetic force of the magnet 52 and the magnetic body 53. The 30 can be easily and stably attached to the cleaning tool main body 11 in a detachable manner. In particular, when the cleaning sheet 30 is a water-decomposable sheet, the cleaning sheet has a large area due to the upper surface of the end portion of the cleaning head 12 and the lower surface of the sandwiching lid piece 54 so that the end portion of the cleaning sheet 30 is not torn. It becomes possible to sandwich and engage the 30.

Further, in the present embodiment, a circular insertion recess 51 in which the magnet 52 is arranged on the back surface side is formed at the lower end portion of the upper surface of the base body 13, and the lower surface of the sandwiching lid piece 54 is inserted. A circular insertion convex portion 54c in which the magnetic body 53 is arranged on the back surface side of the locked cover cap 54d is formed in a portion corresponding to the concave portion 51. As a result, when the sandwiching lid piece 54 is closed and the end portion of the cleaning sheet 30 is sandwiched between the sandwiching lid piece 54 and the one-step lower end portion on the upper surface of the cleaning head 12, the cleaning sheet 30 is inserted. The end portion is a portion of the insertion convex portion 54c to which the insertion recess 51 and the cover cap 54d are locked, and the cover cap 54d locked to the insertion convex portion 54c at the bottom surface portion of the insertion recess 51 which is further lowered. It will be sandwiched between the lower end surface and the lower end surface so as to be pulled in. As a result, it becomes possible to effectively prevent the end portion of the cleaning sheet 30 from being displaced between the upper surface of the end portion of the sandwiched base body 13 and the lower surface of the sandwiched lid piece 54, and cleaning is performed. The sheet 30 can be attached to the cleaning tool main body 11 in a more stable state.

As shown in FIG. 6, the cleaning sheet 30 mounted on the cleaning tool main body 11 as described above preferably has a side portion in the lateral width direction outside the long side portions 12b and 13b of the cleaning head 12 and the base body 13. It is detachably attached to the cleaning tool main body 11 in a state of protruding, and is used for cleaning work. The cleaning sheet 30 used for cleaning work, for example, to which dust and dirt are sufficiently adhered, is in a state in which the sandwiching lid piece 54 is rotated and opened against the magnetic force by hand, for example, and the end portion is sandwiched. By releasing the above, it is possible to remove it from the cleaning tool main body 11 without touching it, and to dispose of it by pouring it into a toilet bowl for washing with water as it is, for example.

Then, in the cleaning tool 10 of the present embodiment having the above-described configuration, the deformation of the base body when applied to the cleaning target is improved, and the floor surface of a narrow area or the floor surface of an area having an installation object, for example, in a toilet is used. It becomes possible to efficiently perform the work of cleaning such as.

That is, according to the present embodiment, the cleaning tool 10 has a compact shape as compared with the conventional cleaning tool suitable for the work of cleaning the floor surface of the living room, and the cleaning head 12 of the cleaning unit main body 11 is provided. And the base body 13 has a planar shape having a pair of short side portions 12a and 13a and a pair of long side portions 12b and 13b on both sides thereof in a plan view, and the base body 13 has a longitudinal direction. The cross section is formed into a plate shape that curves in an arc shape, and the joining and fixing with the cleaning head 12 is performed at the pair of short side portions 13a, and the cross section protrudes from the lower surface of the cleaning head 12 in a curved shape. When it is in the state, it is attached so as to be elastically deformable by the pressing force on the cleaning head 12 via the handle portion 20 at the time of wiping.

As a result, the cleaning work operator applies pressing force from the handle portion 20 to the cleaning surface 14 by the lower surface of the base body 13 protruding in a curved shape when the long side direction Y is the main cleaning direction. Since the surface can be easily deformed, for example, the curved cleaning surface 14 can be satisfactorily elastically deformed while the cleaning unit main body 11 is reciprocated in the long side direction Y, so that cleaning covered with a cleaning sheet 30 can be performed. While it is easy to take in dust and dirt from the peripheral portion on the surface 14, dust and dirt can be efficiently adhered to the entire cleaning sheet 30 to clean the object to be cleaned. Further, by setting the long side direction as the main cleaning direction, when the cleaning unit main body 11 is moved in the long side direction, the width of the cleaning unit main body 11 is narrowed by the short side portion 12a, so that the cleaning unit main body 11 is provided with a compact shape. Together with this, it becomes possible to efficiently perform the work of cleaning the cleaning target such as the floor surface in a narrow area or the floor surface in an area where the installation object is located.

Further, according to the present embodiment, preferably, the pair of long side portions 12b of the cleaning head 12 is provided with a constricted portion 12c that is concavely curved toward the center side to which the handle portion 20 is attached. While the curved constricted portion 12c is aligned with the side surface of an obstacle such as a toilet bowl, the cleaning portion main body 11 is rotated smoothly in a small turn, for example, the handle portion 20 is swirled and wiped without changing hands to clean the toilet bowl or the like. By facilitating the insertion of the cleaning unit main body 11 to the floor surface of the space on the rear side, it becomes possible to more efficiently clean the floor surface in a narrow area, the floor surface in an area with obstacles, and the like. From the same viewpoint, it is preferable that the base body 13 is also provided with the edge edge portion 13e at the edge portion of the annular overhanging piece 15 of the portion protruding outward from the long side portion 13b (see FIG. 5). ).

Further, according to the present embodiment, the base body 13 preferably has a planar shape slightly larger than that of the cleaning head 12, and the peripheral portion of the base body 13 is a flexible and deformable annular overhang piece 15. As a result, since the annular overhanging piece 15 is flexibly deformed to the outside of the peripheral edge of the cleaning head 12, for example, the peripheral edge portion of the base body 13 is placed on the peripheral surface of a surrounding wall or an obstacle. It is possible to easily adhere to them and thoroughly clean the corners where dust and paper dust are likely to collect, such as recesses and gaps at the boundary between the peripheral surface of these surrounding walls and obstacles and the floor surface. It will be possible.

Further, in the present embodiment, preferably, the cleaning sheet 30 can be attached to and detached from the cleaning tool main body 11 in a state where the side portion in the lateral width direction protrudes outward from the long side portions 12b and 13b of the cleaning head 12 and the base body 13. Since it is attached to the floor and used for cleaning work, the boundary between the peripheral surface of the surrounding wall or obstacle and the floor surface is due to the portion protruding outside from these long side portions 12b and 13b. It is possible to more efficiently and firmly clean the corners where dust and paper dust are likely to collect, such as recesses and gaps in the parts.

The present invention is not limited to the above embodiment, and various modifications can be made. For example, the planar convex rib provided on one surface of the base body does not necessarily have to have a regular triangular planar shape in a plan view, and has a right-angled triangular shape, a trapezoidal shape, a rectangular shape, an elliptical shape, and the like. It may have various other planar shapes such as a circular shape. The cleaning tool of the present invention can be used for cleaning walls, windows, ceilings, etc., as well as floors in narrow areas such as toilet floors and floors in areas with obstacles, such as living rooms. It can also be used for cleaning a relatively large area.

10 Cleaning tool 11 Cleaning tool body 12 Cleaning head 12a Short side part 12b Long side part 12c Constriction part 13 Base body 13a Short side part 13b Long side part 13c Base side joining rib 13d Plate-shaped rib 14 Cleaning surface 14a Surface-shaped convex rib 15 Circular overhang piece 16 Circular peripheral wall rib 17 Reinforcing rib 18a Joint rib 18b Circular convex part 18c Locking rib 18d Connecting opening 18e Shaft support rib 19 Head side yoke part 19a York protrusion 19b Opposing surface 19c First rotation pin member 20 Handle part 21 Handle body 22 Gripping part 23, 23a Connecting part 24 Handle side yoke part 24a York piece 24b Through groove 24c Second rotation pin member 30 Cleaning sheet 40 Joint part 41 Rotation connection member 41a First rotation shaft center part 41b Second Drive axis 50 Engagement part 51 Insertion recess 52 Magnet 53 Magnetic material 54 Sandwich lid piece 54a Rotation shaft 54b Rotation base 54c Insertion convex part 54d Cover cap X Direction along the short side (short side direction, left and right direction)
Y Direction along the long side (long side direction, front-back direction)

Claims (11)

A cleaning tool main body including a cleaning head and a base body attached so as to cover one surface of the cleaning head, and a handle portion attached to the other surface opposite to one surface of the cleaning head. A cleaning tool in which a cleaning sheet is attached to cover the cleaning surface of the base body and the cleaning target is wiped off by the cleaning sheet.
The cleaning head and the base body of the cleaning tool main body have a planar shape having a pair of short side portions and a pair of long side portions on both sides of the pair of short side portions in a plan view. ,
The base body is formed into a plate shape in which the cross section along the longitudinal direction is curved in an arc shape, and the joining with the cleaning head is not performed on the long side portion, but is performed only on the pair of short side portions. A cleaning tool that is elastically deformably attached by a pressing force on the cleaning head via the handle portion at the time of wiping by being in a state of protruding from one surface of the cleaning head in a curved shape. The cleaning tool according to claim 1, wherein a hollow portion is held between the flat plate-shaped cleaning head and the base body protruding from one surface of the cleaning head in a curved shape. The cleaning sheet covering the cleaning surface by one surface of the base body is attached to the cleaning tool main body by being folded back at a short side portion of the base body and having an end portion engaged with the cleaning head. The cleaning tool according to claim 1 or 2 . The base body has a planar shape that is one size larger than the cleaning head, and the peripheral edge portion of the base body is a flexible and deformable annular overhang piece in the circumferential direction outside the peripheral edge of the cleaning head. The cleaning tool according to any one of claims 1 to 3, which is continuously overhanging. The cleaning tool according to any one of claims 1 to 4 , wherein the pair of long side portions of the cleaning head is provided with a constricted portion that curves concavely toward the center side to which the handle portion is attached. An annular peripheral wall rib is formed continuously in the circumferential direction so as to project from the peripheral edge of the cleaning head toward the cleaning surface, and each of the pair of long side portions of the annular peripheral wall rib stands upright from the base body. The cleaning tool according to any one of claims 1 to 5 , which is provided with a pair of plate-shaped ribs that can slide along the inner side surface of the above. The cleaning tool according to claim 6, wherein the plate-shaped rib has a height corresponding to a curved shape of the base body toward a central portion in the longitudinal direction. One of claims 1 to 7 , wherein a plurality of planar convex ribs are provided on one surface of the base body in a state of being dispersedly arranged and protruding at a height of 0.5 to 5 mm. Cleaning tool described in the section. The cleaning tool according to claim 8 , wherein the planar convex rib has a triangular planar shape when viewed in a plan view. The cleaning tool according to any one of claims 1 to 9 , wherein the cleaning sheet is a water-decomposable sheet. Any of claims 1 to 10 , wherein the cleaning head has a substantially rectangular planar shape having a maximum length in the short side direction of 50 to 90 mm and a maximum length in the long side direction of 120 to 160 mm. Or the cleaning tool described in item 1.

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