JP2013169237A - Cleaning implement - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning implement capable of effectively wiping dust or soil on a surface to be cleaned, and capable of cleaning the surface to be cleaned by effectively adhering wiped dust or soil in a wide region on a cleaning sheet which is attached by covering a cleaning surface of a cleaning head.SOLUTION: A cleaning implement 10 includes a cleaning head 11 and a handle portion 12. A cleaning sheet 13 is attached by covering a cleaning surface 11a on a lower surface of the cleaning head 11 and a surface to be cleaned is wiped by the cleaning sheet 13. A plurality of scratching projections 14 are protruded on the cleaning surface 11a. These plurality of scratching projections 14 have a shape including V-shaped parts or substantially V-shaped parts 14a in a plan view, and are arranged so that open sides of the V-shaped parts or the substantially V-shaped parts 14a face toward a main cleaning direction X. The scratching projections 14 formed on an outermost periphery, are arranged so that the open sides face outward from the cleaning head 11.

Description

  The present invention relates to a cleaning tool that covers a cleaning surface and wipes the surface to be cleaned by a cleaning head portion on which a cleaning sheet is mounted.

  A cleaning tool that covers the cleaning surface and wipes the surface to be cleaned with the cleaning head portion to which a cleaning sheet made of non-woven fabric or the like is attached, wipes the surface to be cleaned by holding the handle portion attached to the cleaning head portion by hand. Thus, dust and dirt can be attached to the cleaning sheet, and cleaning can be easily performed.

  According to such a cleaning tool, it is considered difficult to efficiently scrape off dust and dirt on the surface to be cleaned if the lower surface of the cleaning head portion to be the cleaning surface is simply a flat surface. There has been disclosed a cleaning tool capable of improving the scraping effect by providing a convex portion or an uneven portion on the lower surface (see, for example, Patent Document 1 and Patent Document 2).

Japanese Patent No. 3027345 JP 2007-54337 A

  The cleaning tool of Patent Document 1 and the cleaning tool of Patent Document 2 have a curved shape of the cleaning surface by the elastic cushion material on the lower surface of the cleaning head part, making it easier to take dust and dirt inward from the peripheral portion of the cleaning surface, The surface to be cleaned can be easily scraped off by providing a plurality of protrusions and irregularities on the cleaning surface, but dust has been scraped off over a wider area of the cleaning sheet that covers the cleaning surface. Development of a technique that enables cleaning of a surface to be cleaned while efficiently attaching dirt and dirt is desired.

  In particular, the cleaning head generally has a rectangular plan view shape, and the surface to be cleaned is usually cleaned with the direction perpendicular to the long side of the rectangular plan view shape as the main cleaning direction. When cleaning is performed in the main cleaning direction, which is the most frequently performed cleaning direction, the scraped dust and dirt are efficiently attached to a wider area of the cleaning sheet that covers the cleaning surface. Therefore, it is desired to develop a technique that makes it possible to clean the surface to be cleaned.

  The present invention can effectively scrape off dust and dirt on the surface to be cleaned, and remove the dust and dirt on the cleaning sheet that covers the cleaning surface of the cleaning head portion over a wider area. It aims at providing the cleaning tool which can clean a to-be-cleaned surface, making it adhere efficiently.

  The present invention is a cleaning tool that includes a cleaning head portion and a handle portion, covers a cleaning surface by a lower surface of the cleaning head portion, is attached with a cleaning sheet, and wipes the surface to be cleaned with the cleaning sheet, The cleaning surface is provided with a plurality of scraping projections, and the plurality of scraping projections have a V-shaped portion or a substantially V-shaped portion in plan view, and the plurality of scraping projections. At least a part of the take-up protrusion achieves the above-mentioned object by providing a cleaning tool in which the open side of the V-shaped portion or the substantially V-shaped portion is disposed in the main cleaning direction. .

  According to the cleaning tool of the present invention, it is possible to effectively scrape dust and dirt on the surface to be cleaned, and to scrape the cleaning sheet over a wider area of the cleaning sheet mounted so as to cover the cleaning surface of the cleaning head unit. The surface to be cleaned can be cleaned while efficiently attaching dust and dirt.

It is a perspective view explaining the whole cleaning tool composition concerning one desirable embodiment of the present invention. It is a disassembled perspective view explaining the structure of a cleaning head part. (A) is a bottom view of the cleaning head part explaining the principal part of the cleaning tool which concerns on preferable one Embodiment of this invention, (b) is an enlarged plan view of a scraping protrusion. (A), (b) is a bottom view of the cleaning head part which illustrates other forms of the cleaning head part of a cleaning tool. (A) is the bottom view of the cleaning head part which illustrates further another form of the cleaning head part of a cleaning tool, (b) is an enlarged plan view of a scraping protrusion. (A), (b) is a bottom view of the cleaning head part which illustrates other forms of the cleaning head part of a cleaning tool. (A) is the bottom view of the cleaning head part which illustrates further another form of the cleaning head part of a cleaning tool, (b) is an enlarged plan view of a scraping protrusion. It is a bottom view of the cleaning head part which illustrates other forms of the cleaning head part of a cleaning tool. (A) is the bottom view of the cleaning head part which illustrates further another form of the cleaning head part of a cleaning tool, (b) is an enlarged plan view of a scraping protrusion. (A), (b) is a bottom view of the cleaning head part which illustrates other forms of the cleaning head part of a cleaning tool. It is an enlarged plan view which illustrates the scraping protrusion provided with the planar view shape containing a substantially V-shaped part.

  A cleaning tool 10 according to a preferred embodiment of the present invention shown in FIG. 1 covers a cleaning surface 11a of a cleaning head portion 11 and attaches a disposable cleaning sheet 13 so as to be detachable and replaceable. It is used when cleaning work. When the cleaning head 10 wipes the surface to be cleaned by the cleaning head unit 11, the cleaning tool 10 scrapes off dust and dirt adhering to the surface to be cleaned, and removes the dust and dirt from the cleaning head unit 11. A function is provided that allows the surface to be cleaned to be cleaned while adhering to a wide area of the cleaning sheet 13 covering the cleaning surface 11a.

  And the cleaning tool 10 of this embodiment is provided with the cleaning head part 11 and the handle | steering-wheel part 12, as shown also in FIG. 2, and the cleaning sheet | seat 13 is mounted | worn with covering the cleaning surface 11a by the lower surface of the cleaning head part 11 Then, the cleaning tool wipes the surface to be cleaned with the cleaning sheet 13, and a plurality of scraping protrusions 14 project from the cleaning surface 11 a as shown in FIG. 3. The plurality of scraping projections 14 have a V-shaped portion or a substantially V-shaped portion 14a in plan view, and at least a part of the plurality of scraping projections 14 is a V-shaped portion or The open side of the substantially V-shaped portion 14a is arranged in the main cleaning direction X.

  In the present specification, a plurality of scraping protrusions means two or more scraping protrusions. However, when the cleaning head portion has a rectangular plan view shape to be described later, practically, It means a large number of scraping protrusions of 3 or more in total including scraping protrusions provided near both ends and the center of the long side of the rectangular plan view shape.

  In the present embodiment, the cleaning head unit 11 has a rectangular plan view shape, and the direction (vertical direction in FIG. 3A) perpendicular to the long side of the rectangular plan view shape is the main cleaning direction X. Yes.

  Further, in the present embodiment, the scraping protrusions 14 provided on the outermost peripheral part along the long sides on both sides of the rectangular plan view shape of the cleaning head part 11 are open to the V-shaped part or the substantially V-shaped part 14a. The side is directed in the main cleaning direction X, and the open side is disposed toward the outside of the cleaning head portion 11.

  Further, in the present embodiment, the scraping protrusions 14 are provided in a plurality of rows (10 rows in the embodiment of FIG. 3A) along the longitudinal direction of the rectangular shape of the cleaning head portion 11 and adjacent to each other. Among the pair of rows, the scraping protrusions 14 arranged in one row and the scraping projections 14 arranged in the other row are formed on the open side of the V-shaped portion or the substantially V-shaped portion 14a. The cleaning head portion 11 is disposed toward the long sides of the different sides of the rectangular plan view shape.

  In this embodiment, the cleaning head part 11 which comprises the cleaning tool 10 consists of the head main body 15 and the base body 16, as shown in FIG.1 and FIG.2. The head main body 15 is a plastic member having a rectangular plan view shape with a long side of about 200 to 500 mm and a short side of about 50 to 150 mm, for example. The head main body 15 is integrally provided with a handle support joint portion 17 at a central portion on the upper surface thereof. A rotational joint 18 provided at the lower end of the handle 12 is rotatably joined to the handle support joint 17 so that the handle 12 is not only in the front-rear direction but also in the left-right direction. In addition, the cleaning work by the cleaning tool 10 can be performed while rotating.

  Further, a known sheet holding portion 19 made of a flexible elastic material having an engagement slit 19 a is provided on the upper surface of the head body 15. After the cleaning sheet 13 is wound around the cleaning head 11 so as to cover the cleaning surface 11a by the lower surface of the base body 16 (the lower surface of the cleaning head portion 11) attached integrally to the lower surface side of the head body 15, the cleaning is performed. By pushing the end portion of the sheet 13 into the engagement slit 19a of the sheet holding portion 19 and engaging, the cleaning sheet 13 can be easily attached to the cleaning head portion 11 so as to be detachable and replaceable (see FIG. 1). .

  The base body 16 that constitutes the cleaning head portion 11 together with the head body 15 is made of, for example, urethane or EVA (ethylene vinyl acetate copolymer) resin as an elastically deformable synthetic resin material. The base body 16 has a rectangular plan view shape that is slightly larger than the head body 15. The base body 16 includes a bottom surface portion 16a and a peripheral wall portion 16b provided on the peripheral edge portion of the bottom surface portion 16a. The bottom surface portion 16a is formed with a thin thickness of about 0.5 to 3 mm, for example. The peripheral wall portion 16b has a substantially triangular cross-sectional shape. A concave fitting portion 16c into which the head body 15 is fitted is formed on the upper surface side of the base body 16 surrounded by the four peripheral wall portions 16b.

  In this embodiment, as shown in FIG. 2, a cushion member 20 is interposed between the lower surface of the head body 15 and the bottom surface portion 16a of the base body 16, and the head body 15 is fitted into the recessed fitting portion 16c. By adhering 15 and the base body 16 using an adhesive or the like, the cleaning head portion 11 in which these are integrated is formed.

  The cushion material 20 interposed between the lower surface of the head main body 15 and the bottom surface portion 16a of the base body 16 is made of, for example, sponge (the material is urethane foam or the like) as a softer cushion material than the base body 16. In the present embodiment, the cushion material 20 fills a gap between, for example, a plurality of reinforcing ribs (not shown) provided on the lower surface side of the head main body 15 and the bottom surface portion 16 a of the base body 16. The head body 15 is mounted over substantially the entire lower surface.

  Since the cushioning material 20 is interposed between the lower surface of the head body 15 and the bottom surface portion 16a of the base body 16, the cleaning head portion 11 is formed. It is possible to extrude in a state where it is supported in a planar shape from the back side. In addition, the bottom surface 16a serving as the cleaning surface 11a can be protruded downward into a curved shape that gently curves through the soft elastic biasing force of the cushion material 20. Thus, for example, in a state where only a slight pressing force is applied from the handle portion 12 to the cleaning head portion 11, it is possible to perform a cleaning operation with a soft feel by fitting the cleaning surface 11a that is curved to the surface to be cleaned. Become. Further, in a state where a considerable pressing force is applied from the handle portion 11 to the cleaning head portion 11 in order to perform the cleaning operation by pressing the cleaning surface 11a against the surface to be cleaned, the cushion material 20 is easily pushed in a balanced manner throughout. While being crushed and accompanied by a soft cushion feeling, the lower surface (cleaning surface 11a) of the base body 16 covered with the cleaning sheet 13 can be a flat surface that fits the surface to be cleaned over a wide range. Become.

  Further, in the present embodiment, the peripheral wall portion 16 b constituting the peripheral portion of the base body 16 has a substantially triangular cross-sectional shape, so that the outer peripheral portion of the base body 16 has an acute angle with respect to the lower surface of the base body 16. A tapered surface. Accordingly, for example, the cleaning operation is effectively performed while the outer peripheral edge of the base body 16 is brought into contact with the wall surface, for example, on the floor surface of the corner portion between the wall surface and the floor surface or the floor surface of the corner portion of the wall surface. It becomes possible to do.

  Furthermore, in this embodiment, as the cleaning sheet 13 that covers the cleaning surface 11a and is attached to the cleaning head unit 11 and adheres dust, dirt, and the like, various known cleaning sheets such as olefin-based ultrafine fiber nonwoven fabrics are used. Can be used.

  In this embodiment, the cleaning surface 11a of the cleaning head portion 11 formed by the lower surface of the base body 16 has a V-shaped portion or a substantially V-shape in plan view as shown in FIGS. 3 (a) and 3 (b). As the shape having the shape-like portion 14a, a plurality of scraping projections 14 having a V-shaped plan view shape are preferably rectangular plan view shapes in which the open side of all the scraping projections 14 is the main cleaning direction X Are disposed integrally with the base body 16 in a direction perpendicular to the long side of the cleaning head section 11.

  In the present embodiment, the scraping protrusions 14 are provided in 10 rows along the longitudinal direction of the rectangular planar view cleaning head portion 11, and the long sides on both sides of the rectangular planar view cleaning head portion 11. The scraping projections 14 arranged in the outermost circumferential rows on both sides are oriented with the open side of the V-shaped part or substantially V-shaped part 14a in the main cleaning direction X, and the open side is set to the cleaning head. It is arranged toward the outside of the part 11.

  Further, in the present embodiment, the scraping protrusions 14 provided in 10 rows along the longitudinal direction of the cleaning head portion 11 having a rectangular plan view shape are the scraping protrusions 14 in one row of each pair of adjacent rows. And the other row of the scraping protrusions 14 are arranged so that the open side of the V-shaped portion or the substantially V-shaped portion 14a faces the long sides of the cleaning head portion 11 on the different sides of the rectangular plan view. Has been.

  Here, in this embodiment, all of the plurality of scraping protrusions 14 protruding from the cleaning surface 11a of the cleaning head portion 11 have the same shape. That is, the scraping protrusions 14 protrude from the cleaning surface 11a of the cleaning head portion 11 at a height of about 0.5 to 5 mm, for example, and as shown in FIG. It has a V-shaped plan view shape in which a pair of linear protruding ribs 21 having a width b1 of about 2 mm are joined at one end thereof. Thereby, the scraping protrusion 14 constitutes a V-shaped portion or a substantially V-shaped portion 14a as a whole.

  In the present embodiment, the scraping protrusion 14 has an angle θ between the pair of protruding ribs 21 forming the V-shaped portion or the substantially V-shaped portion 14a, for example, about 45 to 120 °. The opening width b2 of the open-side end portion of the V-shaped plan view shape is practically about 2 to 10 mm, for example, and the vertical width b3 from the junction base end portion to the open-side end portion of the V-shaped plan view shape. However, the size is practically about 2 to 10 mm, for example.

  Since the V-shaped portions or substantially V-shaped portions 14a of the plurality of scraping projections 14 provided on the cleaning surface 11a of the cleaning head portion 11 have the above-described shapes and sizes, the cleaning sheet 13 Even if the cleaning surface 11a of the cleaning head unit 11 covered with the cleaning surface 11a receives a frictional force when wiping the surface to be cleaned, the scraping projection 14 is difficult to be deformed and effectively removes dust and dirt stuck to the floor. It can be scraped off. Further, at least some of the plurality of scraping protrusions 14 (all scraping protrusions 14 in the present embodiment) are arranged with the open side of the V-shaped portion or the substantially V-shaped portion 14a facing the main cleaning direction X. Therefore, when cleaning is performed in the main cleaning direction X, which is the cleaning direction most frequently performed using the cleaning tool 10, a pair of V-shaped portions or substantially V-shaped portions 14a are opened from the open side. While collecting dust and dirt scraped off toward the base end side where the protruding ribs 21 are joined, the V-shaped portions or substantially V-shaped portions of the respective scraping protrusions 14 distributed throughout the cleaning surface 11a are gathered. It is possible to capture the dust and dirt that have been scraped off in the vicinity of the base end portion of the character-shaped portion 14a. As a result, it is possible to efficiently attach the scraped dust and dirt to a wider area of the cleaning sheet 13 mounted so as to cover the cleaning surface 11a of the cleaning head unit 11.

  Therefore, according to the cleaning tool 10 of the present embodiment, it is possible to effectively scrape dust and dirt on the surface to be cleaned, and the cleaning sheet 13 mounted so as to cover the cleaning surface 11a of the cleaning head portion 11. It is possible to clean the surface to be cleaned while efficiently adhering the scraped dust and dirt to a wider area.

  Moreover, according to the cleaning tool 10 of this embodiment, the scraping protrusion 14 of the outermost peripheral part along the long side of the both sides of the cleaning head part 11 is the open side of the V-shaped part or the substantially V-shaped part 14a. The main cleaning direction X is directed toward the main cleaning direction X, and the opening side is disposed toward the outside of the cleaning head portion 11. Therefore, when the cleaning head portion 11 of the cleaning tool 10 is moved in the main cleaning direction X for cleaning. Further, by collecting dust and dirt inside the pair of protruding ribs 21 constituting the V-shaped portion of each scraping protrusion 14 of the outermost peripheral portion, the outermost periphery along the long sides on both sides of the cleaning head portion 11 is collected. It is possible to efficiently collect dust and dirt on the part.

  Furthermore, according to the cleaning tool 10 of the present embodiment, the scraping protrusions 14 arranged in one row of each pair of adjacent rows and the scraping projections 14 arranged in the other row are V-shaped. Since the open side of the V-shaped portion or the substantially V-shaped portion 14a is arranged toward the long sides of the cleaning head portion 11 on different sides of the rectangular plan view, the cleaning head portion 11 of the cleaning tool 10 is mainly used. When cleaning is performed by reciprocating in the cleaning direction X, the open side of the V-shaped portion or the substantially V-shaped portion 14a opens in both directions of the main cleaning direction X. Furthermore, the surface to be cleaned can be cleaned while being attached to the cleaning sheet 13 efficiently.

  4A and 4B illustrate other forms of the cleaning head portion 11 of the cleaning tool 10 of the present embodiment. The cleaning head portion 11 in the form shown in FIG. 4A has a plurality of scraping projections 14 having a V-shaped plan view shape shown in FIG. The scraping projections 14 arranged in one row of each pair of adjacent rows and the scraping projections 14 arranged in the other row are connected to the open side of the V-shaped portion or the substantially V-shaped portion 14a. Are arranged so as to be directed to the long sides on different sides, and the positions of the cleaning head portion 11 in the rectangular plan view are shifted in a staggered manner in a staggered manner. The cleaning head portion 11 in the form shown in FIG. 4B has a plurality of scraping protrusions 14 having a V-shaped plan view shape shown in FIG. From the configuration shown in FIG. 4 (a), the open side of the V-shaped portion or the substantially V-shaped portion 14a is alternately changed to the longer side in order along the longitudinal direction of the rectangular plan view shape of the cleaning head portion 11. They are arranged to face each other.

  Effects similar to those described above are also achieved by the cleaning tool 10 including the cleaning head portion 11 having the configuration shown in FIGS. 4 (a) and 4 (b). Moreover, according to the cleaning head part 11 of the form shown to Fig.4 (a), the scraping protrusion 14 arrange | positioned at one adjacent row | line | column and the scraping protrusion 14 arrange | positioned at the other row | line | column are open side. Are arranged toward the long sides on different sides and are alternately arranged in a staggered manner, so that when the cleaning tool 10 performs cleaning in the main cleaning direction X, each pair of scraping protrusions Dust and dirt that escaped from between 14 to the back side can be scraped by making contact with the rear-side protrusion 14 arranged in a staggered manner, thereby further improving the cleaning efficiency. become. Moreover, according to the cleaning head part 11 of the form shown in FIG.4 (b), the dust and dirt which escaped to the back side from between each pair of scraping protrusions 14 are shifted in a zigzag pattern and arranged on the back side. In addition to being able to be scraped by being brought into contact with the protrusions 14, dust or dirt is formed inside the pair of protruding ribs 21 constituting the V-shaped part or the substantially V-shaped part 14 a of each scraping protrusion 14. It becomes possible to collect dirt more efficiently.

  FIG. 5A illustrates still another form of the cleaning head portion 11 of the cleaning tool 10 of the present embodiment. The cleaning head portion 11 shown in FIG. 5A is provided with a cleaning surface 11a formed on the lower surface of the base body 16 of the cleaning head portion 11 on the cleaning surface 11a of the cleaning head portion 11 shown in FIG. Instead of the plurality of scraping projections 14 having a letter-like shape in plan view, a plurality of Y-shaped scraping projections 23 by three protruding ribs 22 are provided so as to project as shown in FIG. Is.

  That is, in the cleaning head portion 11 shown in FIG. 5A, the plurality of scraping protrusions 23 protruding from the cleaning surface 11a of the cleaning head portion 11 are each three as shown in FIG. These projecting ribs 22 are joined at their one ends to have a Y-shaped plan view. A pair of adjacent ribs 22 out of the three ribs 22 constitutes a V-shaped portion or a substantially V-shaped portion 23a.

  Also with the cleaning tool 10 provided with the cleaning head part 11 shown in FIG. 5A, substantially the same operational effects as the cleaning tool 10 provided with the cleaning head part 11 shown in FIG.

  FIGS. 6A and 6B illustrate still another form of the cleaning head portion 11 of the cleaning tool 10 of the present embodiment. The cleaning head portion 11 in the form shown in FIG. 6A has a plurality of scraping protrusions 23 having a Y-shaped plan view shape shown in FIG. The scraping projections 23 arranged in one row of each pair of adjacent rows and the scraping projections 23 arranged in the other row are connected to the open side of the V-shaped portion or the substantially V-shaped portion 23a. Are arranged so as to be directed to the long sides on different sides, and the positions of the cleaning head portion 11 in the rectangular plan view are shifted in a staggered manner in a staggered manner. The cleaning head portion 11 shown in FIG. 6B has a plurality of scraping projections 23 having a Y-shaped plan view shape shown in FIG. From the form shown in (a), the direction of the open side of the V-shaped portion or the substantially V-shaped portion 23a is changed by 90 degrees in order along the longitudinal direction of the rectangular plan view shape of the cleaning head portion 11, and the head is changed. The main body 15 is arranged so as to face both the long side and the short side.

  The cleaning tool 10 provided with the cleaning head part 11 shown in FIGS. 6A and 6B is also substantially the same as the cleaning tool 10 provided in the cleaning head part 11 shown in FIGS. 4A and 4B. The effect of is produced.

  FIG. 7A illustrates still another form of the cleaning head portion 11 of the cleaning tool 10 of the present embodiment. The cleaning head portion 11 shown in FIG. 7A has a V provided on the cleaning surface 11a of the cleaning head portion 11 shown in FIG. Instead of the plurality of scraping protrusions 14 having a letter-like shape in plan view, a plurality of X-shaped scraping protrusions 25 by four protruding ribs 24 as shown in FIG. Is.

  That is, in the cleaning head unit 11 shown in FIG. 7A, the plurality of scraping projections 25 protruding from the cleaning surface 11a of the cleaning head unit 11 are each four as shown in FIG. 7B. These projecting ribs 24 are joined at one end thereof to have an X-shaped plan view shape. A pair of adjacent ribs 24 out of the four ribs 24 constitutes a V-shaped portion or a substantially V-shaped portion 25a.

  Also with the cleaning tool 10 provided with the cleaning head part 11 shown in FIG. 7A, substantially the same operational effects as the cleaning tool 10 provided with the cleaning head part 11 shown in FIG. Furthermore, even when the surface to be cleaned is cleaned with the direction perpendicular to the short side of the rectangular plan view as the main cleaning direction, the V-shaped portion or the substantially V-shaped portion 25a facing the short side is opened. Since the side is arranged in the main cleaning direction, the same effect as the case where the surface to be cleaned is cleaned with the direction perpendicular to the long side as the main cleaning direction X is achieved.

  FIG. 8 illustrates still another form of the cleaning head portion 11 of the cleaning tool 10 of the present embodiment. The cleaning head portion 11 shown in FIG. 8 has a plurality of scraping protrusions 25 having an X-shaped plan view shape shown in FIG. The scraping projections 25 arranged in one of the columns and the scraping projections 25 arranged in the other column are different from each other in the V-shaped portion or the open side of the substantially V-shaped portion 25a. While arrange | positioning toward each edge | side, the position of the longitudinal direction of the rectangular planar view shape of the cleaning head part 11 is shifted, and it arrange | positions alternately at zigzag form.

  Also with the cleaning tool 10 provided with the cleaning head part 11 shown in FIG. 8, the effect substantially the same as the cleaning tool 10 provided with the cleaning head part 11 shown to Fig.4 (a) is show | played.

  FIG. 9A illustrates still another form of the cleaning head portion 11 of the cleaning tool 10 of the present embodiment. The cleaning head portion 11 shown in FIG. 9A has a V provided on the cleaning surface 11a of the cleaning head portion 11 shown in FIG. Instead of the plurality of scraping projections 14 having a letter-like shape in plan view, a plurality of starfish-shaped scraping projections 27 with five projecting ribs 26 project as shown in FIG. 9B. It is.

  That is, in the cleaning head portion 11 shown in FIG. 9A, the plurality of scraping projections 27 protruding from the cleaning surface 11a of the cleaning head portion 11 are each five as shown in FIG. 9B. These projecting ribs 26 are joined at one end thereof to have a starfish-like plan view shape. A pair of adjacent protruding ribs 26 of the five protruding ribs 26 constitutes a V-shaped portion or a substantially V-shaped portion 27a.

  Also with the cleaning tool 10 provided with the cleaning head part 11 shown in FIG. 9A, substantially the same operational effects as the cleaning tool 10 provided with the cleaning head part 11 shown in FIG.

  FIGS. 10A and 10B illustrate still another form of the cleaning head portion 11 of the cleaning tool 10 of the present embodiment. The cleaning head portion 11 shown in FIG. 10A has a plurality of scraping protrusions 27 each having a starfish-like plan view shape shown in FIG. The scraping protrusions 27 arranged in one row of the pair of rows and the scraping projections 27 arranged in the other row are separated from the open side of the V-shaped portion or the substantially V-shaped portion 27a. The cleaning head portion 11 is arranged in a staggered manner by shifting the position in the longitudinal direction of the rectangular plan view of the cleaning head portion 11. The cleaning head portion 11 shown in FIG. 10B has a plurality of scraping projections 27 having a starfish-like plan view shape shown in FIG. 9B on the cleaning surface 11a formed by the lower surface of the base body 16. FIG. From the form shown in a), the opening side of the V-shaped portion or the substantially V-shaped portion 27a is changed by 18 degrees in order along the longitudinal direction of the rectangular plan view shape of the cleaning head portion 11 so that the opening side is It is arranged so as to face in multiple directions.

  The cleaning tool 10 including the cleaning head unit 11 illustrated in FIGS. 10A and 10B is substantially the same as the cleaning tool 10 including the cleaning head unit 11 illustrated in FIGS. 4A and 4B. The effect of is produced.

  The present invention is not limited to the above-described embodiment, and various modifications can be made. For example, a cleaning head portion having a rectangular plan view shape may have curved long and short sides. In addition, a square shape may be included in the rectangular plan view shape, and in this case, any one side of the square can be arbitrarily selected as the long side of the rectangular plan view shape. Furthermore, the cleaning head portion does not necessarily have a rectangular plan view shape, and may have other various plan view shapes suitable for cleaning work, such as an oval shape or an oval shape. The main cleaning direction, which is the most frequently performed cleaning direction, does not necessarily have to be a direction perpendicular to the longitudinal direction of the cleaning head portion. Further, the scraping projections with the open side of the V-shaped portion or the substantially V-shaped portion facing the main cleaning direction do not necessarily have to be all of the plurality of scraping projections, and at least a part of the plurality of scraping projections If it is good.

  Further, the V-shaped portions or the substantially V-shaped portions of the plurality of scraping protrusions do not necessarily have a V-shaped plan view shape, and have a substantially V-shaped plan view shape. Also good. For example, as shown in FIG. 11, a pair of linear protruding ribs 21 'forming a V shape are separated from each other at the base end opposite to the open side. In addition, it is possible to employ a structure in which the columnar ribs 28 are arranged in the separated portion of the base end. The plurality of scraping protrusions 14 ′ including such a substantially V-shaped portion can also provide the same effects as described above.

DESCRIPTION OF SYMBOLS 10 Cleaning tool 11 Cleaning head part 11a Cleaning surface 12 Handle part 13 Cleaning sheet 14,23,25,27 Scraping protrusion 14a, 23a, 25a, 27a V-shaped part or substantially V-shaped part 15 Head main body 16 Base body 20 Cushion material 21, 22, 24, 26 Projection rib X Main cleaning direction

Claims (5)

A cleaning tool comprising a cleaning head part and a handle part, wherein a cleaning sheet is mounted to cover a cleaning surface by a lower surface of the cleaning head part, and the surface to be cleaned is wiped by the cleaning sheet,
The cleaning surface is provided with a plurality of scraping projections, and the plurality of scraping projections have a V-shaped portion or a substantially V-shaped portion in plan view, and the plurality of scraping projections. At least a part of the take-up projection is a cleaning tool arranged with the open side of the V-shaped part or the substantially V-shaped part facing the main cleaning direction.   The cleaning tool according to claim 1, wherein the cleaning head portion has a rectangular plan view shape, and a direction perpendicular to a long side of the rectangular plan view shape is a main cleaning direction.   The scraping projections provided on the outermost peripheral part along the long sides on both sides of the rectangular plan view shape of the cleaning head part have the open side of the V-shaped part or the substantially V-shaped part in the main cleaning direction. The cleaning tool according to claim 2, wherein the cleaning tool is disposed so that the open side faces the outside of the cleaning head portion.   The scraping protrusions are provided in a plurality of rows along the longitudinal direction of the rectangular plan view shape of the cleaning head portion, and the scraping protrusions arranged in one row of each pair of adjacent rows And the scraping protrusions arranged in the other row, the open side of the V-shaped portion or the substantially V-shaped portion, respectively, on the long side of the cleaning head portion on the different side of the rectangular plan view shape The cleaning tool of Claim 2 or 3 arrange | positioned.   The scraping protrusions arranged in one row of each pair of adjacent rows and the scraping protrusions arranged in the other row are arranged in the longitudinal direction of the rectangular plan view shape of the cleaning head portion. The cleaning tool according to claim 4, wherein the cleaning tool is arranged in a staggered manner by shifting the position.

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