JP2021003179A - Cleaning tool - Google Patents

Abstract

To provide a cleaning tool with a sheet holding part whose tightly-holding force is not reduced in using for a long period of time.SOLUTION: A holding part 9 has a gap part 9b, an opening part 9c on an upper surface, and a lid part 9e which has a push-in part 9f for closing the opening part 9c. On both sides of the lid part 9e, a side plate part 9g whose lower end is arc-shaped is provided and rotates the lid part 9e as a supporting point by abutting on an arc part recessed in the inside in the gap part 9b. A spring part 9m arranged between a back surface of the lid part 9e and the gap part 9b pushes up and energizes the lid part 9e. A restraining part 9n is provided on a back part of the lid part 9e and stops the rotation of the lid part 9e above the opening part 9c. In pushing the push-in part 9f of the lid part 9e downward together with a cleaning sheet, the lid part 9e rotates downward by acting against the upward energizing force by the spring part 9m. In removing a hand from the push-in part 9f, the lid part 9e rises by the spring part 9m and engages the cleaning sheet between the lid part and the opening part 9c for holding.SELECTED DRAWING: Figure 5

Description

The present invention relates to a cleaning tool to which a cleaning cloth is attached and dust is wiped off from the surface to be cleaned.

Patent Document 1 discloses a cleaning tool in which a cleaning sheet made of a wiping material, that is, a non-woven fabric is interchangeably attached and used.

Seat holding portions are provided at the four corners of the surface of the mop head. A sheet-shaped thin-walled portion made of a synthetic resin material is attached to these sheet-holding portions, and a plurality of serrated elastic tongue pieces are formed on the thin-walled portion.

Then, the cleaning sheet is circulated around the back side of the mop head, and the four corners on the front side are inserted into the sheet holding portion to hold the cleaning sheet.

Japanese Unexamined Patent Publication No. 2016-112734

However, in such a cleaning tool described in Patent Document 1, the elastic tongue piece is deformed as the sheet holding portion is used, and the holding force is weakened. Therefore, there is a problem that the cleaning sheet is easily removed by long-term use.

In addition, since the sheet holding portion of the conventional cleaning tool is an integrally molded product, a gap is generated between the elastic tongue pieces, so that the holding force of the cleaning sheet is weak and it is not possible to hold a thick cloth or the like. is there.

An object of the present invention is to solve the above-mentioned problems, to reliably hold a cleaning cloth such as a cleaning sheet or a rag, and to have a cleaning portion having a sheet holding portion that does not reduce the holding force even after long-term use. It is to provide the ingredients.

The cleaning tool according to the present invention for achieving the above object has a rod-shaped handle portion, a rectangular head portion having gaps arranged at four corners of the surface and holding a cleaning cloth, and the handle portion. A cleaning tool including a joint portion connecting the head portion and a joint portion, the holding portion is arranged so as to close a substantially rectangular opening that opens the upper surface of the gap portion and the opening. It is composed of a lid portion and a spring portion arranged between the back surface of the lid portion and the bottom portion of the gap portion, and the spring portion has an urging force in a direction in which the lid portion closes the opening. It is a feature.

According to the cleaning tool according to the present invention, by using a spring portion for the holding portion for holding the cleaning cloth, the holding portion can lock cleaning sheets and rags having different thicknesses, and can be cleaned even after long-term use. The holding force against the cloth does not decrease.

It is a perspective view of the cleaning tool of an Example. It is an exploded perspective view of a joint part and the like. It is sectional drawing of a head part and a joint part. It is sectional drawing of a head part and a joint part. It is sectional drawing of the sheet holding part. It is explanatory drawing of the sheet holding part with the cleaning sheet sandwiched.

The present invention will be described in detail with reference to the illustrated examples.
FIG. 1 is a perspective view of the cleaning tool of the embodiment, and FIG. 2 is an exploded perspective view of a state in which a joint portion and the like are disassembled. FIG. 3 is a cross-sectional view of the head portion and the joint portion between A and A parallel to the lateral direction of the head portion shown in FIG. 1, and FIG. 4 is a cross-sectional view of the head portion between BB parallel to the longitudinal direction of the head portion. FIG. 5 is a cross-sectional view of a portion and a joint portion, and FIG. 5 is a cross-sectional view of a seat holding portion between CCs parallel to the lateral direction of the head portion.

The cleaning tool 1 is composed of a rod-shaped handle portion 2, a head portion 3 for attaching a cleaning sheet S made of non-woven fabric, a cleaning cloth including a rag, and a joint portion 4 for connecting the handle portion 2 and the head portion 3. .. The handle portion 2 is rotatable with respect to the head portion 3 via the joint portion 4 in any direction of substantially 360 degrees in a plan view. In the embodiment, for convenience of explanation, the longitudinal direction of the head portion 3 is referred to as the X direction and the lateral direction is referred to as the Y direction as shown in FIG.

The handle portion 2 has a length of, for example, about 1.2 m, is made of a lightweight metal such as aluminum, a hard synthetic resin, or the like, and has a tubular body having a diameter of, for example, about 1.5 cm, and a handle base portion 2a and a handle base. It is composed of a grip portion 2b made of a non-slip material such as rubber attached to the upper end of the portion 2a. The lower end of the handle base portion 2a is a cylindrical portion 2c into which the joint portion 4 is inserted.

The head portion 3 is, for example, a substantially rectangular body having a width of 25 cm in the X direction, a height of 8 cm in the Y direction, and a height of about 3 cm. The head portion 3 is a synthetic resin having flexibility and elasticity such as a rectangular substrate portion 3a made of a hard synthetic resin material and foamed EVA or urethane resin bonded so as to cover the bottom surface of the substrate portion 3a. It is composed of a sliding portion 3b made of a material. As the size of the handle portion 2 and the head portion 3, an appropriate size can be adopted depending on the cleaning place to be used and the like.

A connecting portion 3c for connecting to the joint portion 4 is provided in the upper center of the substrate portion 3a, and the connecting portions 3c are erected on the substrate portion 3a at a predetermined interval and face each other in the X direction. It is composed of the standing piece 3d of. A pair of first shaft hole portions 3e recessed in the X direction are formed on the inner surface of these standing pieces 3d so as to face each other.

A joint portion 4 composed of a plurality of members for connecting the handle portion 2 to the head portion 3 and rotating the handle portion 3 in an arbitrary direction is interposed between the connecting portion 3c and the handle portion 2. The joint portion 4 is composed of a rotating portion 5 made of a hard synthetic resin material or the like, a locking portion 6, and an engaging portion 7, respectively, in this order from the bottom, and includes a synthetic resin or metal bolt 8 for connecting these. ing. The rotating portion 5 is rotatably connected to the first shaft hole portion 3e of the connecting portion 3c, the lock portion 6 is fitted on the rotating portion 5, and the engaging portion 7 rotates on the lock portion 6. Connected as possible, its upper end is inserted into the handle 2.

In the rotating portion 5, a pair of plate body portions 5a are provided on both sides in the X direction, and a cylindrical first shaft portion 5b is provided outside the plate body portions 5a toward the outside in the X direction. It is protruding. Further, a protrusion 5d provided with a first through hole 5c penetrating in the Y direction at the upper portion is provided between the plate body portions 5a.

In the lock portion 6, a hole portion 6a into which the protrusion 5d of the rotating portion 5 enters is formed on the lower back surface. The lock portion 6 is mounted on the rotating portion 5, has a covering portion 6b at the upper portion, and wall portions 6c are formed on both sides of the covering portion 6b in the X direction. The wall portion 6c forms a groove shape from the outside of the lock portion 6, and the lock portion 6 is connected to the rotating portion 5 by pushing it between the protruding portion 5d of the rotating portion 5 and the plate body portion 5a. ..

A pair of second shaft portions 6d project from both sides of the cover portion 6b, that is, in the Y direction, and a first through hole of the rotating portion 5 is provided at the center of the two second shaft portions 6d. A second through hole 6e that communicates with 5c is formed.

The engaging portion 7 is provided with an upper end portion 7a inserted into the handle portion 2 and a pair of flat plate-shaped arm portions 7b suspended downward from both sides in an inverted U shape. A pair of second shaft hole portions 7c into which the second shaft portion 6d of the lock portion 6 is inserted are provided on the inner surface of the lower end of the arm portion 7b in the Y direction so as to face each other. Further, at the center of the second shaft hole portion 7c, a third through hole 7e that communicates with the first through hole 5c and the second through hole 6e and inserts the bolt 8 is provided. The through hole 7e of No. 3 is formed with an internal screw that is screwed into the external screw at the tip of the bolt 8.

Holding portions 9 for holding the cleaning cloth are arranged at the four corners of the surface of the substrate portion 3a. The upper portion of the holding portion 9 is a trapezoidal portion 9a formed on the substrate portion 3a, and the trapezoidal portion 9a has an empty box-shaped gap portion 9b extending downward. A substantially rectangular opening 9c is opened on the upper surface of the gap 9b, that is, the upper surface of the trapezoidal portion 9a, and a substantially semicircular notch 9d is provided on the outside of a part of the opening 9c in the Y direction. Has been done.

A plate-shaped lid portion 9e having substantially the same shape as the opening portion 9c is arranged in the opening portion 9c so as to close the opening portion 9c, and a pushing portion 9f is provided at a position corresponding to the notch portion 9d. It is formed integrally with the lid portion 9e to be lower than the lid portion 9e.

Further, as shown in the perspective view of FIG. 2, side plate portions 9g are bent in an L shape on both sides of the lid portion 9e, and protrusions 9h are formed on the outside of these side plate portions 9g. When the lid portion 9e is attached to the opening portion 9c, the protrusions 9h of the side plate portions 9g provided on both sides of the lid portion 9e are pushed into the groove portions 9i provided on the side walls on both sides of the gap portion 9b to finally obtain the final result. It is fitted into the recess 9j provided at the lower end of the groove 9i. The protrusions 9h and the recesses 9j may be arranged in reverse with respect to the lid portion 9e and the gap portion 9b.

At the lower end of the side wall of the gap 9b, a protrusion 9k is provided which protrudes upward from the bottom of the gap 9b and whose upper end is recessed in an arc shape. The lid portion 9e is rotatable around the protrusion 9h pivotally supported by the recess 9j while the arc-shaped lower end of the side plate portion 9g is in contact with the upper end of the protrusion 9k sandwiching the groove portion 9i. There is.

A spring portion 9m made of, for example, a coil spring is arranged between the back surface of the lid portion 9e and the pedestal 9l at the bottom of the gap portion 9b, and the spring portion 9m is urged to push up the lid portion 9e. Therefore, the spring portion 9m always has an urging force in the direction in which the lid portion 9e closes the opening portion 9c.

Further, a plate-shaped restraining portion 9n is provided at the rear portion of the lid portion 9e, and when the lid portion 9e closes the opening 9c, the restraining portion 9n comes into contact with the rear wall of the gap portion 9b and the lid is closed. The portion 9e plays a role of restraining the portion 9e from rotating above the opening 9c. Even if the plate-shaped restraint portion 9n is not provided, the rear side portion of the lid portion 9e is used as the restraint portion 9n and is in contact with the rear wall of the gap portion 9b to restrain the rotation of the lid portion 9e. Good.

Further, in order to prevent the cleaning sheet S from slipping, a plurality of small protrusions are formed on the back surface of the upper surface plate 9o which is outside the opening 9c in the Y direction and surrounds the substantially semicircular notch 9d. 9p is formed.

When the pushing portion 9f of the lid portion 9e is pushed inward with a finger, as shown on the left side of FIG. 5, the lid portion 9e resists the upward urging force of the spring portion 9m and pushes the protruding portion 9k which is a fulcrum. It rotates downward to the center and sinks. When the finger is released from the pushing portion 9f, the lid portion 9e rises due to the spring portion 9m, but the restraining portion 9n comes into contact with the rear wall of the gap portion 9b, so that the lid portion 9e stays at the position of the opening 9c and the opening portion 9c. It does not pop out above 9c.

In order to attach the joint portion 4 to the head portion 3, the pair of first shaft portions 5b of the rotating portion 5 is inserted into the pair of first shaft hole portions 3e of the standing piece 3d of the head portion 3 and rotated. The portion 5 is attached so as to rotate in the Y direction about the X direction. Next, the lock portion 6 is arranged on the rotating portion 5, the protrusion 5d of the rotating portion 5 is inserted into the hole 6a of the lock portion 6, and the protrusion 5d and the plate body portion 5a of the rotating portion 5 are inserted. The wall portion 6c of the lock portion 6 is pushed in between, and the lock portion 6 is attached to the rotating portion 5.

Subsequently, by inserting the second shaft portion 6d of the lock portion 6 into the second shaft hole portion 7c of the arm portion 7b of the engaging portion 7, the engaging portion 7 is centered on the lock portion 6 in the Y direction. Will rotate in the X direction. Finally, the bolt 8 is inserted into the first through hole 5c of the rotating portion 5, the second through hole 6e of the lock portion 6, and the third through hole 7e of the engaging portion, and the external screw of the bolt 8 is screwed. The bolt 8 is fixed by screwing it into the internal screw of the third through hole 7e of the engaging portion. By fixing with bolts 8, the rotating portion 5, the locking portion 6, and the engaging portion 7 are integrated.

When the assembly of the joint portion 4 is completed, the handle portion 2 can rotate with respect to the head portion 3 in an arbitrary angle range in the Y direction by the first shaft portion 5b of the rotating portion 5, and the lock portion 6 has a position. It rotates in the X direction by the shaft portion 6d of 2. That is, the handle portion 2 can lie down and stand up in the front-rear direction and the left-right direction, that is, in any direction and angle. Therefore, the head portion 3 can be inserted into a narrow place such as a floor surface, and every corner can be cleaned with a cleaning sheet.

When using the cleaning tool 1, as shown in FIG. 6, for example, a commercially available cleaning sheet S made of a non-woven fabric having a width of 30 cm, a length of 20 cm, and a thickness of about 0.5 mm can be attached to the head portion 3. In the embodiment, the cleaning sheet S described above is used as the cleaning cloth to be attached, but a rag or the like having a thickness larger than that of the cleaning sheet S can also be used.

To attach the cleaning sheet S, the end edge portion on one side is pushed into the holding portion 9 on one side of the substrate portion 3a and circulated so as to cover the lower surface of the sliding portion 3b, and the other side of the cleaning sheet S is attached. The cleaning sheet S can be fixed to the substrate portion 3a by pushing the end edge portion of the above into the holding portion 9 on the other side of the substrate portion 3a.

That is, the cleaning sheet S is placed on the holding portion 9, the pushing portion 9f of the lid portion 9e is pushed together with the cleaning sheet S against the spring portion 9m with a finger, the cleaning sheet S is pushed into the gap portion 9b, and the lid portion The cleaning sheet S is sandwiched by the urging force of the spring portion 9m in the gap between the 9e and the opening 9c. At that time, the small protrusion 9p provided on the back surface of the opening 9c applies a frictional force to the cleaning sheet S, making it more difficult to remove.

Then, by holding the handle portion 2 of the cleaning tool 1 and sliding the head portion 3 on the floor surface, the wall surface, or the like, dust adheres to the cleaning sheet S. When sufficient dust adheres to the cleaning sheet S, the cleaning sheet S is pushed from the holding portion 9 by the pushing portion 9f of the lid portion 9e with a finger to remove the cleaning sheet S. If the back surface of the removed cleaning sheet S is still unused, the front and back surfaces can be inverted and attached to the holding portion 9 again for use. After sufficient dust has adhered to both sides of the cleaning sheet S, the cleaning sheet S is removed and discarded, and a new cleaning sheet S is attached to the head portion 3.

According to the cleaning tool 1 according to the present invention, by using the spring portion 9m for the holding portion 9 for holding the cleaning cloth, the holding portion 9 can lock the cleaning sheet S and the rag having different thicknesses and for a long period of time. Even if it is used, the holding force against the cleaning cloth does not decrease.

1 Cleaning tool 2 Handle part 3 Head part 9 Holding part 9b Void part 9c Opening part 9d Notch part 9e Lid part 9f Pushing part 9g Side plate part 9h Protrusion 9j Recession 9m Spring part 9n Stopping part 9o Top plate 9p Small protrusion

Claims (5)

A cleaning tool consisting of a rod-shaped handle portion, a rectangular head portion having gaps arranged at four corners of the surface and holding a holding portion for holding a cleaning cloth, and a joint portion connecting the handle portion and the head portion. There,
The holding portion is between a substantially rectangular opening that opens the upper surface of the gap portion, a lid portion that is arranged so as to close the opening portion, a back surface portion of the lid portion, and a bottom portion of the gap portion. It consists of an arranged spring part
The spring portion is a cleaning tool characterized in that the lid portion has an urging force in a direction of closing the opening. Side plate portions having protrusions or recesses on the outside are provided on both sides of the lid portion, and the protrusions or recesses are fitted into the recesses or protrusions provided on the side walls on both sides of the gap portion. The cleaning tool according to claim 1, wherein the lid portion can be rotated around the protrusion of the side plate portion or the concave portion of the side plate portion. The cleaning tool according to claim 1 or 2, wherein the lid portion includes a restraining portion that restrains the lid portion from rotating upward from the opening. A notch is provided on the outside of the opening in the lateral direction of the head, and a push-in portion is formed in the lid at a position corresponding to the notch. The cleaning tool according to any one of claims 1 to 3. The cleaning according to any one of 1 to 4, wherein a plurality of small protrusions are formed on the back surface of the upper surface plate arranged outside the head portion of the opening in the lateral direction. Ingredients.

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