JP4494087B2 - Sheet cleaning tool - Google Patents

Description

  In the present invention, an elastic body is disposed at an appropriate location on the upper surface of the cleaning tool body, a radial kerf is formed in the elastic body, and the cleaning sheet is covered from the lower surface to the upper surface of the cleaning tool body. The present invention relates to a sheet-like cleaning tool in which both end portions are pushed and locked into a cut groove of an elastic body with a finger.

  FIG. 26 is an explanatory view of a first conventional cleaning tool disclosed by Japanese Utility Model Laid-Open No. 49-68263. As shown in (26A), (26B) and (26C), this conventional cleaning tool includes a holding plate 101 for a cleaning fiber cloth 113 and a cleaning rod 103 rotatably connected to the holding plate 101. It is a tool. The holding plate 101 has a cleaning fiber cloth fixing device having a large number of cuts 110 made of at least two flexible resin plates at the end of the upper surface and gathering at the center common point.

FIGS. 28, 29, and 30 are views showing a second conventional cleaning tool disclosed by actual climbing 3026675. In this conventional cleaning tool, as shown in the figure, a cleaning sheet mounting tool 221 that can mount a cleaning sheet 219 can be fitted and installed in a fitting hole 224 formed on the upper surface of the cleaning tool main body. . The cleaning sheet mounting tool 221 includes a cylindrical portion (not shown) and a top surface portion 223, and allows the cylindrical portion to be fitted, and an opening slit 225 and a holding slit 226 are formed in the top surface portion 223. . Among these, the opening slits 225 are provided to extend radially, and the holding slits 226 are continuous with the opening slits 225 and are formed in a sawtooth shape.
Japanese Utility Model Publication No. 49-68263 Actual registration No. 3022675

  In the cleaning tool of the first prior art described above, the cleaning fiber cloth 113 is pushed into the numerous cuts 110 formed in the holding plate 101 with a finger. Thereafter, when the finger is pulled out, as shown in FIG. 27, the tip 110a of the cut 110 portion bites into the finger U from the periphery, and the finger becomes sore that it breaks. When the finger U is pulled upward, the gap between the tips 110a of the cuts 110 is gradually narrowed, so that it gradually bites into the back of the finger. For this reason, there is a problem that the pain of the finger U gradually increases and this pain is felt severely until the drawing is finished.

  Further, in the cleaning tool of the second prior art described above, since the saw blade-shaped holding slit 226 is formed in addition to the radial opening slit 225, the cleaning sheet 219 is opened to the opening slit 225 with a finger. When pushing in and pulling out the finger, the radial portion and the sawtooth-shaped portion bite at the same time. Thus, since the radial part and many saw-tooth shaped parts bite into the finger, the finger becomes so painful that it is broken. This also has a problem in that when the finger is pulled upward, the distance between the tip portions gradually becomes narrower and more painful. In particular, in the second prior art, in addition to the tip corner portion of the opening slit 225, the tip portion of the holding slit 226 bites into the finger at the same time, and the finger becomes more painful.

  The present invention has been made in view of the above-described conventional problems, and when the cleaning sheet is pushed into the central portion of the radial kerf with a finger and the finger is pulled out, the divided piece is divided by the kerf. Can prevent the tip of the bite from biting into the finger at one time, and can pull out the finger without feeling the pain of the finger, and the cleaning sheet is securely locked in the groove and attached. It aims at providing the sheet-like cleaning tool which can be used.

  The present invention has been proposed in order to solve the above-described problems. In the first embodiment of the present invention, an elastic body is disposed at an appropriate position on the upper surface of the cleaning tool body, and the elastic body is radially cut. In the sheet-like cleaning tool in which a groove is formed, a cleaning sheet is covered from the lower surface to the upper surface of the cleaning tool body, and both end portions of the cleaning sheet are pushed into the cut grooves of the elastic body with a finger and locked. A sheet-like cleaning tool in which the rigidity of one or more divided pieces is larger than the rigidity of the opposed divided pieces among the divided pieces divided by the radial kerfs of the elastic body.

  According to a second aspect of the present invention, an elastic body is disposed at an appropriate location on the upper surface of the cleaning tool body, a radial kerf is formed in the elastic body, and a cleaning sheet is placed from the lower surface to the upper surface of the cleaning tool body. In the sheet-like cleaning tool in which both end portions of the cleaning sheet are pushed into the kerf of the elastic body with a finger and locked, a hole is formed at the center of the tip of the divided piece divided by the kerf. It is a sheet-like cleaning tool that is formed and has the tip of each divided piece formed at the tip of a protruding curve.

  According to a third aspect of the present invention, an elastic body is disposed at an appropriate location on the upper surface of the cleaning tool body, a radial kerf is formed in the elastic body, and the cleaning sheet is covered from the lower surface to the upper surface of the cleaning tool body. In the sheet-like cleaning tool in which both ends of the cleaning sheet are pushed into the cut groove of the elastic body with a finger and locked, at least one of the divided pieces divided by the cut groove has a surface thereof Or it is the sheet-like cleaning tool provided with the sharp part cut diagonally toward the front-end | tip in the back surface.

  According to a fourth aspect of the present invention, an elastic body is disposed at an appropriate location on the upper surface of the cleaning tool main body, a radial kerf is formed in the elastic body, and the cleaning sheet is covered from the lower surface to the upper surface of the cleaning tool main body. In the sheet-like cleaning tool in which both end portions of the cleaning sheet are pushed into the kerf of the elastic body with a finger and locked, the surface is formed on all of the divided pieces divided by the radial kerf of the elastic body. This is a sheet-like cleaning tool provided with a built-up portion having the same size.

  According to a fifth aspect of the present invention, there is provided a sheet-like cleaning tool in which the kerf is configured such that a wide divided piece and a small divided piece are formed in the elastic body.

  A sixth aspect of the present invention is a sheet-like cleaning tool in which at least one of the divided pieces is provided with a built-up portion that rises on the surface to increase rigidity.

  According to a seventh aspect of the present invention, a built-up portion that rises on the surface is provided on all of the divided pieces that are divided by the kerf, and a large build-up portion that is greatly raised in the build-up portion and a small build-up that is raised slightly This is a sheet-like cleaning tool in which the portion is formed and the rigidity is increased by the large build-up portion.

  The 8th form of this invention is a sheet-like cleaning tool with which the said build-up part is formed so that the front-end | tip part of the said division | segmentation piece may be the highest and it may become low gradually toward the outer side.

  The 9th form of this invention is a sheet-like cleaning tool with which the said build-up part is formed in the protruding shape at the front-end | tip part of the said division | segmentation piece.

  A tenth aspect of the present invention is a sheet-like cleaning tool in which at least one of the divided pieces is formed thicker than the other divided pieces to increase rigidity.

  An eleventh aspect of the present invention is a sheet-like cleaning tool in which a bulging portion having the same thickness is formed in at least one of the divided pieces to increase rigidity.

  A twelfth aspect of the present invention is a sheet-like cleaning tool in which a tip of the divided piece is formed in an arc shape.

  According to a thirteenth aspect of the present invention, in the sheet-like cleaning tool according to any one of the first to ninth aspects, a sheet formed by communicating a non-radial kerf simultaneously with a radial kerf in the elastic body. It is a cleaning tool.

  According to the first aspect of the present invention, when the end portion of the cleaning sheet is locked and fixed by the plurality of divided pieces formed by the kerf, the end portion of the cleaning sheet with the finger at the center portion of the kerf Press in. At this time, there are split pieces with high rigidity and split pieces with low rigidity, and the split pieces with low rigidity are easier to bend, so the finger inserted in the center of the kerf naturally moves to the split piece side with low rigidity. However, if a finger is inserted at this eccentric position, as a result, the divided piece having low rigidity is bent (bent) greatly, and the divided piece having high rigidity is bent small. In other words, the low-rigidity divided piece facing the high-rigidity divided piece first bends downward. After that, since the divided piece with high rigidity is slightly bent downward, the divided piece with high rigidity does not bite into the finger. In particular, when pulling out this finger after pushing the edge of the cleaning sheet with the finger, the split pieces facing the finger do not bite at the same time, so the finger is cut and the groove is in a state where there is almost no feeling that the finger hurts Can be pulled out from. Therefore, unlike the conventional case, when the finger is pulled out, the tip of the opposing divided piece does not bite at the same time, and the finger can be safely pulled out without feeling the pain of tearing the finger. it can.

  According to the second aspect of the present invention, when the end portion of the cleaning sheet is locked and fixed by the divided piece formed by the kerf, the hole is formed in the central portion of the distal end portion of these divided pieces. So you can put it smoothly when you put your finger. Further, when the finger is pulled out, the hole is formed, and the tip of the divided piece is formed at the protruding curved tip, so that the amount of the tip of each divided piece bites into the finger is reduced, and the pain is hardly caused. You can pull your finger out without feeling. When the tip of the divided piece is a sharp curved tip, the curved tip may bite into the finger, which may hurt the finger. However, in this embodiment, since the tip is formed as a projecting curved tip, there is no sharpness and the finger is not damaged. Also, when inserting a finger, each divided piece bends downward, but the tip of the divided piece is not an acute angle, and the distance between the tips of the opposed divided pieces is widened by the size of the hole. When pulling out, it is suppressed that the front-end | tip of a division | segmentation piece bites into a finger | toe. The finger can be pulled out without much pain.

  According to the 3rd form of this invention, since the front-end | tip part of a division | segmentation piece is cut diagonally, this sharp part becomes thin, As a result, it has a big softness | flexibility. Therefore, when inserting a finger into the center of the kerf, the sharpened portion cut obliquely toward the tip is easily bent downward along the finger, so that the tip does not bite into the finger. That is, the sharply cut sharpened portion has a weakened strength and is easy to bend. Therefore, when the finger is inserted, the sharpened portion bends along the skin portion of the finger. In addition, when pulling out a finger, the sharp point easily bends upward without causing pain to the finger, and the sharp point does not bite into the finger, and the finger is easily pulled out with almost no pain. be able to. Further, the sharpened portion bites between the fibers of the cleaning sheet and exhibits the effect of preventing the sheet from being removed.

  According to the fourth aspect of the present invention, since the overlaid portions having the same size are formed on the surfaces of all the divided pieces, even if the finger is inserted into the center of the kerf, the overlaid portion is around the finger. It touches and does not pierce the finger. Therefore, even when the finger is pulled out, the padding portion only presses the finger, so that the finger is not pierced and the finger pain is greatly reduced compared to the case without the padding portion. is there.

  According to the fifth aspect of the present invention, the narrow divided piece is less rigid than the wide divided piece and has a property of bending easily. Therefore, when inserting a finger together with the cleaning sheet into the center of the radial kerf, the narrow divided piece bends downward before the wide divided piece, and then the wide divided piece faces downward. The divided pieces do not bend downward at the same time. Thereby, a finger is not pinched by the tip of the wide divided piece and the tip of the small divided piece. Therefore, when the finger is pulled out, the tips of the divided pieces facing the finger do not bite at the same time, and the finger can be pulled out with almost no pain.

  According to the sixth aspect of the present invention, since the rigidity of the divided piece having the build-up part is larger than that of the divided piece without the build-up part, the divided piece having the build-up part is difficult to bend and the build-up part. The split piece without is easy to bend. Therefore, when the finger is inserted into the center portion of the kerf together with the cleaning sheet, the finger hits the built-up portion first, so that the tip of the finger naturally moves to a divided piece having no built-up portion. That is, the finger moves to the divided piece without the build-up portion and hits in an eccentric state. When a finger is inserted in this state, the split piece without the build-up part bends first, the split piece with the build-up part is bent slightly, and both do not bend downward at the same time. The tip does not bite at the same time. Therefore, when the finger is pulled out, the tip of each divided piece does not bite into the finger at the same time, and the finger can be pulled out with almost no pain.

  According to the seventh aspect of the present invention, all of the divided pieces are provided with a built-up portion, a large built-up portion and a small built-up portion are formed in the built-up portion, and the rigidity is increased by the large built-up portion. Yes. Therefore, when the finger is inserted, the divided piece of the small build-up portion with small rigidity is bent more greatly, and the divided piece of the large build-up portion with high rigidity is bent slightly. As a result, the tip of each divided piece does not bite into the finger simultaneously. Therefore, when the finger is pulled out, the tip of each divided piece does not bite into the finger at the same time, and the finger can be pulled out with almost no pain.

  According to the 8th form of this invention, since the front-end | tip part of the build-up part is formed highest, the rigidity of this part is especially large. As a result, when the finger is inserted into the center of the kerf together with the cleaning sheet, the finger shifts to the side without the build-up portion due to the build-up portion, and the divided piece having no build-up portion and low rigidity is first. Bend downward (bend). After that, the divided pieces having the build-up portion are slightly bent downward, so that the opposed divided pieces do not bite into the fingers simultaneously from the left and right. Therefore, when the finger is pulled out, the divided pieces with respect to the finger do not bite in from the left and right, so that the finger can be pulled out with almost no pain. In addition, since the highest tip of the built-up portion of the split piece comes into contact with the finger, the tip can be prevented from biting into the finger.

  According to the ninth aspect of the present invention, since the built-up portion is formed in a protruding shape at the tip of the split piece, when the finger is inserted together with the cleaning sheet, the finger is meated by the protruding built-up portion. It moves forcibly in the direction where there is no heap. Therefore, the divided piece without the build-up portion is bent downward by the finger, and the bend of the divided piece with the build-up portion is extremely small. That is, since the divided pieces face each other and do not bite into the finger, they can be pulled out without feeling pain when pulling out the finger. An arbitrary shape such as a mountain shape or a rod shape is selected as the protruding shape.

  According to the tenth aspect of the present invention, the thickly divided piece has high rigidity, and therefore when the finger is inserted into the central portion of the kerf together with the cleaning sheet, the thin piece is first provided. Then, the thick divided piece bends slightly downward. Thereby, the front-end | tip of a division piece does not bite into a finger | toe from both sides simultaneously. Therefore, when the finger is pulled out, the divided pieces do not bite into the finger at the same time, and the finger can be pulled out without feeling any pain in the finger.

  According to the 11th form of this invention, the bulging part with the same thickness is formed in at least one of the division pieces. In this embodiment, the thickness of the divided piece is the same, but if a concave or convex bulge is formed in at least one divided piece, the rigidity of the divided piece is increased by the presence of the bulged part. Therefore, the rigidity of the split piece without the bulging portion is relatively small, and when the finger is inserted, the split piece without the bulging portion bends greatly first, and the pain of the finger is greatly reduced.

  According to the twelfth aspect of the present invention, the tip of the split piece is formed in an arc shape, and a circular hole is formed in the center, so that it is easy to insert a finger into the circular hole. And since the front-end | tip of a division | segmentation piece is circular arc shape, the biting into a finger becomes very small. Therefore, when the finger is pulled out after the finger is inserted into the hole and the cleaning sheet is locked to the divided piece, the finger touches the arc-shaped portion of the divided piece. Since the arc-shaped portion has a shape along the surface of the finger, the finger can be pulled out with almost no pain in the finger.

  According to the thirteenth aspect of the present invention, since the non-radial kerf is formed in communication with the elastic body at the same time as the radial kerf, the cleaning sheet is locked by the radial kerf without finger pain. In addition, the locking force is reinforced by the radial kerf. If the radial kerf is, for example, serrated, the end of the cleaning sheet can be reliably locked by the serrated portion. Thereby, it can prevent that the sheet | seat for cleaning removes carelessly. In other words, even if a sawtooth kerf is formed, the split piece divided by the radial kerf has a large or small rigidity, so when inserting a finger, the less rigid split piece should face down first. Then, the divided piece with higher rigidity is slightly bent downward. As a result, the serrated portion does not bite into the inserted finger from both sides at the same time. Therefore, when the finger is pulled out, the serrated portion does not bite at the same time, and the finger can be pulled out with almost no pain.

Hereinafter, an embodiment of a sheet-like cleaning tool according to the present invention will be described in detail with reference to FIGS.
FIG. 1 shows a first embodiment of a sheet-like cleaning tool according to the present invention, (1A) is a plan view of a state before the cleaning sheet is attached, and (1B) is a state after the cleaning sheet is attached. FIG. As shown in (1A), in the sheet-like cleaning tool of the first embodiment, a rubber elastic body 2 is detachably attached to the left and right positions of the upper surface of a thick, substantially rectangular cleaning tool body 1. .

  The elastic body 2 is formed in a substantially elliptical shape around the mounting portion 2a to which the front and rear cleaning sheets 3 are attached, and these mounting portions 2a and 2a are connected to each other by a central substantially elliptical connecting portion 2b. . A plurality of kerfs 2c are formed radially from the center of each mounting portion 2a, and five divided pieces 2d are formed by the plurality of radial kerfs 2c. Of these divided pieces 2d, a built-up portion 2e is formed in the vicinity of the central portion of the cut groove 2c in the outer three divided pieces 2d.

  As shown to (1B), the cleaning tool 3 which consists of a nonwoven fabric etc. is attached to the cleaning tool main body 1 from the lower surface side to the upper surface side. In this attachment method, the end portion on the upper surface side of the cleaning tool main body 1 in the cleaning sheet 3 is pushed into each cut groove 2c portion of the elastic body 2 with a finger U. Thereby, the end piece part of the cleaning sheet 3 enters the inside of the edge part of the divided piece 2d divided by the kerf 2c and is detachably attached. In addition, support protrusions 1 a and 1 a for attaching the handle 4 are provided at the center of the cleaning tool main body 1.

  FIG. 2 is a perspective view of the entire sheet-like cleaning tool in a state before the cleaning sheet is attached. As shown in FIG. 2, the sheet-like cleaning tool has a lower end portion 4 a of an elongated handle 4 attached to a support protrusion 1 a, 1 a in the center of the cleaning tool body 1 so as to be able to rotate back and forth.

FIG. 3 is a perspective view after the cleaning sheet of the same sheet-like cleaning tool is attached. As shown in FIG. 3, the cleaning sheet 3 is attached from the lower surface side to the upper surface side of the cleaning tool main body 1. That is, as described above, the edge on the upper surface side of the cleaning sheet 3 is pushed into the kerf 2c portion of the elastic body 2 attached to the cleaning tool body 1 with a finger and is placed inside the edge of the split piece 2d. The cleaning sheet is attached by entering and locking.
In the state shown in FIG. 3, a cleaning worker, a housewife, etc. hold the handle 4 and press the cleaning sheet 3 against the surface of the floor or the like to clean the room while shifting it back and forth. When the cleaning sheet 3 is contaminated with dust or the like on the surface of the floor or the like, the cleaning sheet 3 is removed from the cleaning tool body 1 and replaced with a new cleaning sheet 3 to perform cleaning again.

  FIG. 4 is a longitudinal sectional view of a main part of the sheet-like cleaning tool. As shown in FIG. 4, the cleaning tool main body 1 is formed with a recess 1b to which the elastic body 2 is detachably attached on both the left and right sides. The cleaning tool main body 1 is divided into upper and lower stages, and is composed of a wide lower main body 1c and an upper main body 1d attached to the lower main body 1c. The wide lower body 1c is formed of an elastic material such as rubber having a good cushioning property.

  Locking protrusions 1e are provided on both sides inside the upper main body 1d, and locking both-side protrusions 1f are also provided in the central portion. The elastic body 2 is formed with a locking recess 2f and a locking both-side recess 2g into which the locking projection 1e of the upper body 1d and the locking projections 1f are engaged and locked. By locking each of these locking portions, the elastic body 2 is detachably attached to the upper body 1d of the cleaning tool body 1.

  FIG. 5 is a longitudinal cross-sectional view of a main part of the sheet-like cleaning tool in an exploded state. As shown in FIG. 5, the elastic body 2 is attached to the upper body 1 d of the cleaning tool body 1 by being engaged and locked so as to be covered from the upper side of the cleaning tool body 1. Therefore, when the elastic body 2 deteriorates due to long-term use, the elastic body 2 is removed from the cleaning tool main body 1. After that, the new elastic body 2 can be replaced and the new elastic body 2 can be attached to the cleaning tool body 1 and used repeatedly.

FIG. 6 shows the main part of the sheet-like cleaning tool, (6A) is an enlarged partial plan view thereof, (6B) is an enlarged sectional view thereof, and (6C) is a case where a finger is inserted into the center of the groove. Explanatory drawing which shows a state, (6D) is explanatory drawing which shows a state when pulling out a finger | toe. (6A) As shown in (6B), in the first embodiment, a plurality of radial kerfs 2c are formed to form five divided pieces 2d. The build-up part 2e is formed in the three divided pieces 2d, and the tip part is formed highest so that it gradually becomes lower toward the outside.

  According to the sheet-like cleaning tool of the first embodiment, as shown in (6C), when the finger U is inserted together with the cleaning sheet 3 into the center portion of the kerf 2c, the tip of the finger U is rigid. Since the upper portion of the finger U hits the raised portion 2e after sliding on the larger raised portion 2e and hitting the lower divided piece 2d which does not have the raised portion 2e first, the finger U is eccentric to each divided piece 2d. Hit in the state. As a result, when the finger U is inserted, the divided piece 2d having a low rigidity without the build-up portion 2e is bent downward first, and then the divided piece 2d having a built-up portion 2e is bent downward. Therefore, the split piece 2d without the build-up portion 2e and the split piece 2d with the build-up portion 2e are not simultaneously bent downward, and the tip of each split piece 2d does not bite into the finger U. As a result, as shown in (6D), when the finger U is pulled out, the tips of the divided pieces 2d do not bite into the finger U at the same time, and the finger U can be pulled out with almost no pain. it can.

  FIG. 7 shows a main part of the second embodiment of the sheet-like cleaning tool, (7A) is an enlarged partial plan view thereof, (7B) is an enlarged sectional view thereof, and (7C) is a center portion of a groove by cutting a finger. (7D) is explanatory drawing which shows a state when pulling out a finger | toe. As shown in (7A) and (7B), in this second embodiment, the build-up portion 2e is formed in two adjacent divided pieces 2d.

  According to the sheet-like cleaning tool of the second embodiment, as in the sheet-like cleaning tool of the first embodiment described above, as shown in (7C), together with the cleaning sheet 3 at the center of the kerf 2c. When the finger U is inserted into the finger U, the tip of the finger U first hits the divided piece 2d that does not have the built-up portion 2e, and then the upper side of the finger U hits the built-up portion 2e. It hits in an eccentric state. In this state, the finger U is inserted, and the divided piece 2d without the built-up portion 2e and the divided piece 2d with the built-up portion 2e are not simultaneously bent downward, and the tip of each divided piece 2d is simultaneously placed on the finger U. I don't bite. Therefore, as shown in (7D), when the finger U is pulled out, the tip of each divided piece 2d does not bite into the finger U at the same time, and the finger U can be pulled out with almost no pain.

  FIG. 8 shows an essential part of the third embodiment of the sheet-like cleaning tool, (8A) is an enlarged partial plan view thereof, (8B) is an enlarged partial sectional view thereof, and (8C) is a center portion of the groove by cutting a finger. (8D) is explanatory drawing which shows a state when pulling out a finger | toe. (8A) As shown in (8B), in this third embodiment, the build-up portion 2e is formed in one divided piece 2d.

  According to the sheet-like cleaning tool of the third embodiment, as shown in (8C), together with the cleaning sheet 3 at the center of the kerf 2c, as in the sheet-like cleaning tool of the first embodiment described above. When the finger U is inserted into the finger U, the tip of the finger U first hits the split piece 2d that does not have the build-up portion 2e, and then the upper side of the finger U hits the build-up portion 2e. Hit in an eccentric state. In this state, the finger U is inserted into the intersecting portion of the cut groove 2c, and the divided piece 2d without the build-up portion 2e and the divided piece 2d with the build-up portion 2e are not bent downward at the same time. The tips of the split pieces 2d do not bite at the same time. Therefore, as shown in (8D), when the finger U is pulled out, the tips of the divided pieces 2d do not bite into the finger U at the same time, and the finger U can be pulled out with almost no pain.

  FIG. 9 shows an essential part of the fourth embodiment of the sheet-like cleaning tool, (9A) is an enlarged partial plan view thereof, (9B) is an enlarged sectional view thereof, and (9C) is a center portion of the groove by cutting a finger. (9D) is an explanatory view showing a state when a finger is pulled out. As shown in (9A) and (9B), in the fourth embodiment, the build-up portion 2e is formed in two divided pieces 2d located on the inner side.

  Therefore, according to the sheet-like cleaning tool of the ninth embodiment, as shown in (9C), when inserting the finger U together with the cleaning sheet 3 into the center of the kerf 2c, the tip of the finger U First hits the divided piece 2d not having the built-up portion 2e, and then the upper side of the finger U hits the built-up portion 2e, so that the finger U hits each divided piece in an eccentric state. In this state, the finger U is inserted, and the divided piece 2d without the built-up portion 2e and the divided piece 2d with the built-up portion 2e are not simultaneously bent downward, and the tip of each divided piece 2d is simultaneously placed on the finger U. I don't bite. Therefore, as shown in (9D), when the finger U is pulled out, the tips of the divided pieces 2d do not bite into the finger U at the same time, and the finger U can be pulled out with almost no pain.

  FIG. 10 shows an essential part of a fifth embodiment of the sheet-like cleaning tool, (10A) is an enlarged partial plan view thereof, (10B) is an enlarged sectional view thereof, and (10C) is a center portion of a groove by cutting a finger. (10D) is explanatory drawing which shows a state when pulling out a finger | toe. As shown in (10A) and (10B), in the sheet-like cleaning tool of the fifth embodiment, the adjacent three pieces 2h of the divided pieces 2d are formed thick, and the other adjacent two pieces 2i are formed thin. Yes.

  Therefore, according to the fifth embodiment, as shown in (10C), when the finger U is inserted together with the cleaning sheet 3 into the central portion of the kerf 2c, the thin and less rigid divided piece 2i is directed downward first. Then, the thick and rigid divided piece 2h bends thereafter. When the finger U is pulled out, as shown in (10D), the thick divided piece 2h does not bite into the finger U, and the thin divided piece 2i can be pulled out without biting into the finger U. Thereby, when the finger U is pulled out, no pain is felt.

  FIG. 11 shows an essential part of the sixth embodiment of the sheet-like cleaning tool, (11A) is an enlarged partial plan view thereof, (11B) is an enlarged sectional view thereof, and (11C) is a center portion of a groove by cutting a finger. (11D) is an explanatory view showing a state when a finger is pulled out. (11A) As shown in (11B), in the sheet-like cleaning tool of the fifth embodiment, adjacent one pieces 2h of the divided pieces 2d are formed thick, and the other plural pieces 2i are formed thin.

  Therefore, according to the sixth embodiment, as shown in (11C), when the finger U is inserted into the central portion of the kerf 2c together with the cleaning sheet 3, the thin divided piece 2i is first bent downward, and thereafter The thick divided piece 2h bends. When the finger U is pulled out, as shown in (11D), the thick divided piece 2h does not bite into the finger U, and the thin divided piece 2i can be pulled out without biting into the finger U. Thereby, when the finger U is pulled out, no pain is felt.

  FIG. 12 shows the main part of the seventh embodiment of the sheet-like cleaning tool, (12A) is an enlarged partial plan view thereof, (12B) is an enlarged sectional view thereof, and (12C) is a center part of a groove by cutting a finger. (12D) is explanatory drawing which shows a state when pulling out a finger | toe. (12A) As shown in (12B), a plurality of radial kerfs 2c are provided in the elastic body 2 so that a large divided piece 2j and a small divided piece 2k are formed.

  Therefore, according to the seventh embodiment, when inserting the finger U together with the cleaning sheet 3 into the center portion of the radial kerf 2c, as shown in (12C), a large and wide divided Prior to the piece 2j, the small divided piece 2k having a small rigidity is bent downward, and then the large divided piece 2j having a large rigidity is slightly bent downward, and each divided piece 2j, 2k is bent downward simultaneously. There is no. Thereby, a finger is not pinched | interposed simultaneously by the front-end | tip of a large divided piece, and the front-end | tip of a small divided piece. Therefore, as shown in (12D), when the finger U is pulled out, the tips of the divided pieces 2j and 2k do not bite into the finger U at the same time, and the finger U can be pulled out with almost no pain. .

  FIG. 13: shows the principal part of 8th Embodiment of the sheet-like cleaning tool, (13A) is the expanded partial top view, (13B) is the expanded part sectional drawing, (13C) cuts a finger and is the center part of a groove | channel. It is explanatory drawing which shows a state when it inserts in. As shown in (13A) and (13B), all of the divided pieces 2d divided by the kerf 2c are provided with sharp portions 2m that are cut obliquely toward the tip on the back surface.

  Therefore, according to the eighth embodiment, as shown in (13C), when inserting the finger U into the central portion of the kerf 2c, the sharpened portion 2m cut obliquely toward the tip is thin. Since it has great flexibility and bends downward along the finger U, the tip 2m does not bite into the finger U. That is, since the sharpened portion 2m cut obliquely has a weak strength and is easy to bend, it bends along the skin portion of the finger U when the finger U is inserted. Thus, when the finger U is pulled out, the sharpened portion 2m is easily bent upward and does not bite into the finger U, and the finger U can be pulled out with almost no pain. Of course, the same effect can be obtained by providing not only this, but also a sharpened portion that is cut obliquely toward the tip on the surface of all of the divided pieces 2d.

  FIG. 14 shows an essential part of a ninth embodiment of the sheet-like cleaning tool, (14A) is an enlarged partial plan view thereof, (14B) is an enlarged sectional view thereof, and (14C) is a center portion of a groove by cutting a finger. It is explanatory drawing which shows a state when it inserts in. As shown in (14A) and (14B), the tip of the split piece 2d is formed into a protruding curved tip 2d1, and a circular hole 2n is formed in the center.

  Therefore, according to the ninth embodiment, as shown in (14C), since the circular hole 2n is formed at the center, it is easy to insert the finger U into the circular hole 2n. Further, after inserting the finger U into the hole 2n and locking the cleaning sheet 3 to the divided piece 2d, when the finger U is pulled out, the finger U hits the protruding curved tip 2d1 of the divided piece 2d, and the finger U The amount to bite into is small. Further, since the projecting curved tip 2d1 is projectingly curved even if it comes into contact with the finger U, the finger U can be pulled out with little biting into the finger and almost no pain in the finger U.

  FIG. 15 shows a comparison between a conventional sheet-like cleaning tool and the sheet-like cleaning tool according to the present invention. (15A) is a partial plan view of a conventional sheet-like cleaning tool, and (15B) and (15C) are The fragmentary top view which showed the sheet-like cleaning tool which concerns on this invention according to the kind, (15D) is the fragmentary top view of the state which provided the build-up part in all the division | segmentation pieces by the kerf of the elastic body of a sheet-like cleaning tool. .

  As shown in (15A), five radial kerfs 2c are formed in the conventional sheet-like cleaning tool. In the sheet-like cleaning tool of the present invention shown in (15B), a hole 2n is formed at the center of the kerf 2c, and the sheet-like cleaning tool of the present invention shown in (15C) is divided into three adjacent pieces. Overlaying part 2e is formed in the tip part of piece 2d. In the sheet-like cleaning tool shown in (15D), the built-up portions 2e are formed on all the divided pieces 2d.

  FIG. 16 is a table showing how much pain is applied to a finger when the finger is inserted into and pulled out from the central portion of the cut groove of each sheet-like cleaning tool shown in FIG. The table shown in FIG. 16 is a questionnaire for 6 housewives about the pain of fingers U when the fingers U are inserted and pulled out in the center of the cut groove 2c of the elastic body 2 of each sheet-like cleaning tool shown in FIG. It is a thing.

  As shown in this table, in the conventional sheet-like cleaning tool shown in (15A), 5 housewives out of 6 feel pain. In the sheet-like cleaning tool of the present invention shown in (15B), one person did not feel pain, four people felt that they were slightly painful, and one person felt pain. In the sheet-like cleaning tool of the present invention shown in (15C), one person did not feel pain and five people were slightly painful. In the sheet-like cleaning tool shown in (15D), four people felt somewhat painful, and two people felt painful. Therefore, as shown in this table, it was found that the sheet-like cleaning tool of the present invention gave the best results in how the fingers U feel pain.

  FIG. 17 shows a process of putting a finger in and pulling out the central portion of the groove of the conventional sheet-like cleaning tool, and (17A) is an explanatory view showing a state immediately before inserting the finger into the central portion of the groove. ) Is an explanatory view of a state where a finger is slightly inserted into the center portion of the kerf, and (17C) is that the tip of the divided piece bites into the finger when the finger is pulled out after being inserted into the center portion of the kerf. It is explanatory drawing of a state.

  As shown in (17C) through (17A) through (17B) on a conventional sheet-shaped cleaning tool, when the finger U is inserted into the central portion of the groove 2c and pulled out, the finger is clearly shown in (17C). You will feel the pain that the tips of all the divided pieces 2d bite into the U and tear.

  FIG. 18 shows a process when the finger is inserted into and pulled out from the one provided with the build-up portion that is the sheet-shaped cleaning tool according to the present invention, and (18A) shows the state when the finger is inserted. Explanatory drawing which shows, (18B) is explanatory drawing which shows the state when pulling out the finger.

  (18A) As shown in (18A), in the sheet-like cleaning tool of the present invention, when the build-up portion 2e is formed on a part of the divided pieces 2d, when the finger U is inserted into the central portion of the cut groove 2c, the build-up portion The divided piece 2d without 2e is bent downward first. Thereafter, the divided piece 2d having the build-up portion 2e is bent slightly downward. As a result, as shown in (18B), when the finger U is pulled out, the tip end portion of the split piece 2d does not bite into the finger U at the same time, and the pain is hardly felt.

  FIG. 19 shows a state in which a finger is inserted into the center portion of each kerf of the conventional sheet-shaped cleaning tool and the sheet-shaped cleaning tool according to the present invention, and (19A) shows a divided piece in the case of the conventional sheet-shaped cleaning tool. (19B) is an explanatory view of the state where the divided piece in the case of the sheet-like cleaning tool according to the present invention is in contact with the finger.

  As shown in (19A), since the split piece 2d of the conventional sheet-like cleaning tool does not have the build-up portion 2e, the tip of the split piece 2d tends to bite into the finger U and feels painful. On the other hand, when the built-up portion 2e is provided on the divided piece 2d as in the sheet-like cleaning tool of the present invention, the tip of the divided piece 2d hardly bites into the finger U and hardly feels pain.

  FIG. 20 is a table showing the results of a comparative examination of pain when a finger is inserted into and pulled out from the central portion of the kerf due to the difference in surface hardness of the elastic body attached to the surface of the sheet-like cleaning tool. As shown in FIG. 20, for the 45D elastic body 2 having a surface hardness of 35D, 40D, and 45D and a protrusion, that is, a built-up portion 2e, evaluation of finger insertion pain was received by five housewives. . As a result, the surface hardness of 35D did not feel the most pain.

  As for the surface hardness of 40D, a result of feeling the second pain after 35D was obtained. The results showed that the surface hardness of 45D felt the most painful. It was found that the 45D type provided with the protrusions, ie, the built-up portion 2e, felt less painful than the 45D type provided with no built-up portion 2e.

  FIG. 21 is a table showing a tensile strength test result of a cleaning sheet made of a nonwoven fabric in a kerf portion due to a difference in surface hardness of an elastic body attached to the surface of the sheet-like cleaning tool. As shown in FIG. 21, corresponding to FIG. 20, as for the tensile strength of the cleaning sheet 3 made of the non-woven fabric by the elastic body 2 having a difference in surface hardness, the result of 35D having the lowest surface hardness is the weakest. Came out. Next, the 40D type was weak, the 45D type had the strongest tensile strength, and the one provided with the protrusion, that is, the overlaid portion 2e, showed the strong tensile strength.

  FIG. 22 is a graph showing the average value of the tensile strength test results shown in FIG. 21 based on the difference in surface hardness of the elastic body attached to the surface of the sheet-like cleaning tool. As shown in FIG. 21, the average value of the tensile strength is 2.79 for the elastic body 2 having a surface hardness of 35D, 4.70 for the elastic body 2 having a surface hardness of 40D, and the elastic body 2 having a surface hardness of 45D. The result is 8.77.

  Accordingly, the elastic body 2 having a high surface hardness has a high tensile strength, but the pain when the finger U is inserted and pulled out is more painful, and the elastic body 2 having a low surface hardness is a low tensile strength but the pulling force when the finger U is inserted and pulled out. The result showed that there was almost no pain. From these test results, it can be said that the tensile strength is strong and the pain when the finger U is inserted and pulled out is hardly felt. Body 2 was found to be the most preferred.

  FIG. 23 is an explanatory view of a tenth embodiment of a sheet-like cleaning tool in which a large build-up portion and a small build-up portion are formed. As shown in (23A) and (23B), a built-up portion is formed on all the divided pieces 2d, and a large built-up portion 2e1 having a large rigidity is formed on a part of the divided pieces 2d. Is formed with a small build-up portion 2e2 having a small rigidity. When the finger is inserted as in (23C), the small build-up portion 2e2 bends greatly and the large build-up portion 2e1 bends small. As a result, when pulling out the finger, as shown in (23D), the large build-up part 2e1 is inverted first, and the large build-up part 2e1 and the small build-up part 2e2 do not sandwich the finger simultaneously, Finger pain is greatly reduced.

  FIG. 24 is an explanatory view of an eleventh embodiment of a sheet-like cleaning tool in which a bulging portion is formed on one or more divided pieces. As shown in (24A) and (24B), the bulging portion 2s is formed on some of the divided pieces 2d, and nothing is formed on the other divided pieces 2d. Although the thickness of all the divided pieces 2d is the same, due to the presence of the bulging portion 2s, the divided piece on which the bulging portion 2s is formed becomes more rigid than the other divided pieces. Therefore, as shown in (24C), when a finger is inserted, the divided piece without the bulging portion 2s bends greatly, and the divided piece of the bulging portion 2s bends small. As a result, when pulling out the finger, as shown in (24D), the divided piece having the bulging portion 2s is inverted first, and the opposed divided pieces do not sandwich the finger at the same time. The pain is greatly reduced.

  FIG. 25 is an explanatory view of a twelfth embodiment of the sheet-like cleaning tool in which the built-up portions having the same size are formed in all the divided pieces. As shown in (25A) and (25B), all the divided pieces 2d are formed with the overlaid portions 2e having the same size. Therefore, since the rigidity of all the divided pieces is the same, as shown in (25C), when the finger is inserted, all the divided pieces 2e are bent similarly. However, the build-up portion 2e is pressed against the finger, and the sharp tip of the divided piece does not bite. Further, when pulling out the finger, as shown in (25D), the built-up portion 2e is inverted, but since the sharp tip does not bite into the finger, finger pain is greatly reduced when the finger is pulled out. It will be.

  The present invention is not limited to the above-described embodiments and modifications, and includes various modifications and design changes within the technical scope without departing from the technical idea of the present invention. Needless to say.

  The sheet-like cleaning tool according to the present invention is used when cleaning the flooring of a home, office or factory, the floor of a store, etc. so that the cleaning sheet is periodically replaced and rented to a user from a manufacturer or the like. It may be.

1 shows a first embodiment of a sheet-like cleaning tool according to the present invention, (1A) is a plan view of a state before the cleaning sheet is attached, and (1B) is a plane showing a state after the cleaning sheet is attached. FIG. It is a perspective view of the state before showing the whole structure of the sheet-like cleaning tool, and attaching the cleaning sheet. It is a perspective view after attaching the cleaning sheet of the sheet-like cleaning tool. It is a longitudinal cross-sectional view of the principal part of the sheet-like cleaning tool. It is a longitudinal cross-sectional view of the state which the principal part of the sheet-like cleaning tool decomposed | disassembled. The main part of the sheet-like cleaning tool is shown, (6A) is an enlarged partial plan view, (6B) is an enlarged part sectional view, and (6C) shows a state when a finger is inserted into the center of the groove. Explanatory drawing (6D) is explanatory drawing which shows a state when pulling out a finger | toe. The main part of 2nd Embodiment of the sheet-like cleaning tool is shown, (7A) is the enlarged partial plan view, (7B) is the enlarged part sectional view, (7C) is the finger inserted in the center of the groove (7D) is explanatory drawing which shows a state when pulling out a finger | toe. The main part of 3rd Embodiment of the sheet-like cleaning tool is shown, (8A) is the enlarged partial plan view, (8B) is the enlarged partial sectional view, and (8C) is when inserting the finger into the center of the groove. (8D) is explanatory drawing which shows a state when pulling out a finger | toe. The principal part of 4th Embodiment of the sheet-like cleaning tool is shown, (9A) is the enlarged partial plan view, (9B) is the enlarged part sectional view, (9C) is the finger inserted in the center of the groove (9D) is explanatory drawing which shows a state when pulling out a finger | toe. The principal part of 5th Embodiment of the same sheet-like cleaning tool is shown, (10A) is the expanded partial top view, (10B) is the expanded part sectional view, (10C) inserted the finger into the center part of the groove, and (10C) (10D) is explanatory drawing which shows a state when pulling out a finger | toe. The principal part of 6th Embodiment of the sheet-like cleaning tool is shown, (11A) is the enlarged partial plan view, (11B) is the enlarged part sectional view, and (11C) is the finger inserted into the center of the groove. (11D) is explanatory drawing which shows a state when pulling out a finger | toe. The main part of 7th Embodiment of the sheet-like cleaning tool is shown, (12A) is the enlarged partial plan view, (12B) is the enlarged part sectional view, (12C) is the finger inserted into the center of the groove. (12D) is explanatory drawing which shows a state when pulling out a finger | toe. The principal part of 8th Embodiment of the sheet-like cleaning tool is shown, (13A) is the enlarged partial plan view, (13B) is the enlarged part sectional view, (13C) is the finger inserted in the center of the groove It is explanatory drawing which shows the state at the time. The principal part of 9th Embodiment of the sheet-like cleaning tool is shown, (14A) is the expanded partial top view, (14B) is the expanded part sectional view, (14C) inserted the finger into the center part of the groove, and (14C) It is explanatory drawing which shows the state at the time. In order to compare the conventional sheet-like cleaning tool and the sheet-like cleaning tool according to the present invention, (15A) is a partial plan view of the conventional sheet-like cleaning tool, and (15B) and (15C) are according to the present invention. The partial top view which showed the sheet-shaped cleaning tool which concerns according to a kind, (15D) is the partial top view of the state which provided the build-up part in all the division | segmentation pieces by the kerf of the elastic body of a sheet-like cleaning tool. It is a table | surface which shows the pain level of a finger | toe when inserting a finger in the center part of the groove of each sheet-like cleaning tool shown in FIG. 15, and pulling it out. The process of putting a finger into the central part of the groove of the conventional sheet-shaped cleaning tool and drawing it out is shown, (17A) is an explanatory view showing the state immediately before inserting the finger into the central part of the groove, (17B) is the Explanatory drawing of a state where a finger is slightly inserted into the central portion of the kerf, (17C) is an explanation of a state where the tip of the divided piece is biting into the finger when the finger is pulled out after being inserted into the central portion of the kerf FIG. The step when inserting a finger into and pulling out the build-up part which is the sheet-shaped cleaning tool which concerns on this invention in what was provided in one division | segmentation piece, (18A) is explanatory drawing which shows the state when inserting the finger (18B) is an explanatory view showing a state when the finger is pulled out. The state which inserted the finger | toe into the center part of each groove | channel of the conventional sheet-like cleaning tool and the sheet-like cleaning tool which concerns on this invention is shown, (19A) is the division | segmentation piece in the case of the conventional sheet-like cleaning tool to a finger. Explanatory drawing of the state which digs in, (19B) is explanatory drawing of the state which the division piece in the case of the sheet-like cleaning tool which concerns on this invention has hit | hung the finger | toe. It is a table | surface which shows the result of having compared and examined the pain when inserting and extracting a finger | toe in the center part of a kerf by the difference in the surface hardness of the elastic body attached to the surface of a sheet-like cleaning tool. It is a table | surface which shows the tensile strength test result of the cleaning sheet | seat which consists of a nonwoven fabric in the groove part by the difference in the surface hardness of the elastic body attached to the surface of a sheet-like cleaning tool. It is a graph which shows the average value of the tensile strength test result shown in FIG. 21 based on the difference in the surface hardness of the elastic body attached to the surface of a sheet-like cleaning tool. FIG. 23 is an explanatory view of a tenth embodiment of a sheet-like cleaning tool in which a large build-up portion and a small build-up portion are formed. FIG. 24 is an explanatory view of an eleventh embodiment of a sheet-like cleaning tool in which a bulging portion is formed on one or more divided pieces. FIG. 25 is an explanatory view of a twelfth embodiment of the sheet-like cleaning tool in which the built-up portions having the same size are formed in all the divided pieces. The conventional improved cleaning tool is shown, (26A) is a perspective view before attaching a fiber cloth, (26B) is the partial expanded perspective view, (26C) is a perspective view of the state which attaches a fiber cloth. It is explanatory drawing which shows a state when inserting a finger in the center part of the cut | interruption of the cleaning tool, and pulling it out. The conventional cleaning tool is shown, (28A) is a top view before attaching a nonwoven fabric sheet, (28B) is a top view of the state which attached the nonwoven fabric sheet. It is a perspective view which shows the whole structure of the cleaning tool. It is a partial enlarged plan view of the cleaning tool.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Cleaning tool main body 1a Support protrusion 1b Recess 1c Lower main body 1d Upper main body 1e Locking protrusion 1f Locking both-side protrusion 2 Elastic body 2a Mounting portion 2b Connecting portion 2c Cut groove 2d Split piece 2e Overlaying portion 2e1 Large build-up part 2e2 Small build-up part 2f Locking recess 2g Locking both-side recess 2h Thick split piece 2i Thin split piece 2j Wide split piece 2k Small split piece 2m Sharpened part 2n Hole part 2s Swelling part 3 Cleaning sheet 4 Handle 4a Lower end

Claims (4)

An elastic body is disposed at an appropriate location on the upper surface of the cleaning tool body, a radial kerf is formed in the elastic body, a cleaning sheet is placed from the lower surface to the upper surface of the cleaning tool body, and both end portions of the cleaning sheet are covered. the sheet cleaning tool which is adapted be engaged push with a finger kerf of the elastic body, in a divided piece, one or more rigid split piece was larger than the rigidity of the split pieces opposed to the A raised portion is formed on the surface of only the divided piece formed in the vicinity of the peripheral portion of the cleaning tool main body among the divided pieces, and the finger along with the cleaning sheet is formed at the center of the kerf. A sheet-like cleaning tool , wherein a tip of the finger slides on the built-up portion when inserting a finger . The sheet-shaped cleaning tool according to claim 1, wherein the radial kerf is configured such that a large divided piece and a small divided piece are formed on the elastic body. The sheet-like cleaning tool according to claim 1, wherein at least one of the divided pieces is formed thicker than the other divided pieces to increase rigidity. The sheet-like cleaning tool according to any one of claims 1 to 3 , wherein a non-radial kerf is connected to the elastic body simultaneously with the radial kerf.

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