WO2020095488A1

WO2020095488A1 - Cleaning head for cleaner, cleaner with said cleaning head, application of cleaning sheet to said cleaner, and cleaning sheet for said cleaner

Info

Publication number: WO2020095488A1
Application number: PCT/JP2019/029879
Authority: WO
Inventors: 須田　朋和; 優佳眞鍋; 泰彦釼持
Original assignee: ユニ・チャーム株式会社
Priority date: 2018-11-09
Filing date: 2019-07-30
Publication date: 2020-05-14
Also published as: TW202017527A; KR20210090629A; CN112839558A; TWI703953B; JP2020075059A

Abstract

The purpose of this disclosure is to provide a cleaning head for a cleaner which has excellent horizontal cleaning properties and excellent vertical cleaning properties. The cleaning head of this disclosure is configured as follows. The cleaning head (1) for a cleaner (3) which is provided with a cleaning head (3) and a head rotation member (5) rotatably mounted to the cleaning head (3) is characterized in that: the cleaning head (3) is provided with a cleaning surface (111) having a plate-like shape and extending in a direction along a plane direction (P), and with a head rotation member connection section (117) having a head rotation axis (RA₁) extending in the direction along the plane direction (P); the cleaning head (3) is divided into a first head region (119) and a second head region (121) by an imaginary plane (IS) passing through the head rotation axis (RA₁) and extending in a thickness direction (T); and the cleaning head (3) has a center of gravity in the first head region (119).

Description

Cleaning head for cleaning tool, cleaning tool including the cleaning head, use of cleaning sheet on the cleaning tool, and cleaning sheet for the cleaning tool

The present disclosure relates to a cleaning head for a cleaning tool, a cleaning tool including the cleaning head, use of a cleaning sheet for the cleaning tool, and a cleaning sheet for the cleaning tool.

There is known a type of cleaning tool that attaches a cleaning sheet to a cleaning head.
For example, in Patent Document 1, a main body formed with a slit for sandwiching a cleaning sheet, a support arm formed in a substantially U shape in which the main body is rotatably supported, and an end portion of the support arm are free. Disclosed is a cleaning tool, which is provided with a handle connected through a joint.

The cleaning tool A described in FIG. 1 of Patent Document 1 is, as described in paragraph [0014] of Patent Document 1, a main body 1 in which a slit for sandwiching a cleaning sheet S is formed, and the main body is rotatable. It is composed of a support arm 2 supported in a substantially U shape and a handle 4 to which an end of the support arm 2 is connected via a universal joint 3. A handle 5 is attached to the upper end of the handle 4 for easy holding.

In the cleaning tool A described in Patent Document 1, as shown in paragraph [0022] of Patent Document 1 and FIG. 8, when wiping a wide surface such as a floor, the lower cover body 22 having a wide wiping surface is moved downward. It is intended for cleaning.
Further, the cleaning tool A described in Patent Document 1 can be cleaned by rotating the main body 1 by 90 degrees and using the lateral surface as shown in paragraph [0024] of Patent Document 1 and FIG. 9.

Utility model registration No. 3152632

In the cleaning tool A described in Patent Document 1, the main body 1 passes through the rotation axis of the main body 1 (support arm 2) and extends in a direction orthogonal to the cleaning surfaces (the surfaces of the upper cover body 21 and the lower cover body 22). There is no difference in mass between the first main body portion and the second main body portion when divided into two main body portions, that is, the first main body portion and the second main body portion by the orthogonal plane (that is, the main body 1). Since the center of gravity of (1) exists on the rotation axis), when the support arm 2 is lifted, the main body 1 is not easy to stand up as shown in FIG. 9 and is not easy to clean the vertical surface.
Therefore, it is an object of the present disclosure to provide a cleaning head for a cleaning tool that is excellent in horizontal cleanability and vertical cleanability.

The present disclosure provides a cleaning head for a cleaning tool, comprising a cleaning head and a head rotating member rotatably attached to the cleaning head, wherein the cleaning head has a planar direction and a thickness direction. While having a plate-like shape having, a cleaning surface extending in a direction along the plane direction, and a head rotation member connecting portion including a head rotation shaft extending in a direction along the plane direction. The cleaning head is divided into a first head region and a second head region by an imaginary surface passing through the head rotation axis and extending in the thickness direction, and the cleaning head has a center of gravity thereof. Have been found in the first head region.

The cleaning head for a cleaning tool according to the present disclosure is excellent in horizontal cleanability and vertical cleanability.

FIG. 1 is a perspective view of a cleaning tool 1 according to the first embodiment. FIG. 2 is a perspective view of the cleaning head 3. FIG. 3 is a front view of the cleaning tool 1 in the narrow space cleaning mode. FIG. 4 is a rear view of the cleaning tool 1 in the narrow space cleaning mode. FIG. 5 is a development view of the cleaning head 3 on the first inner surface 129 and the second inner surface 139 sides in the expanded configuration. FIG. 6 is a cross-sectional view of the cleaning head 3 taken along the line VI-VI in FIG. FIG. 7 is a development view of the cleaning head 3 on the side of the first outer surface 127 and the second outer surface 137 in the development state. FIG. 8 is a perspective view of the bracket 5. FIG. 9 is a diagram for explaining a method of attaching the cleaning sheet 31 to the cleaning head 3. FIG. 10 is a diagram for explaining a method of attaching the cleaning sheet 31 to the cleaning head 3. FIG. 11 is a diagram for explaining a method of attaching the cleaning sheet 31 to the cleaning head 3. FIG. 12 is a diagram for explaining a wide space cleaning mode of the cleaning tool 1. FIG. 13 is a diagram for explaining the cleaning tool 1 in the narrow space cleaning mode. FIG. 14 is a perspective view of the cleaning tool 1 according to the second embodiment. FIG. 15 is a cross-sectional view of the cleaning tool 1 taken along the line XV-XV in FIG. FIG. 16 is a diagram for explaining the cleaning tool 1 according to the third embodiment.

[Definition]
・ "Narrow space" and "wide space"
In the present specification, a narrow space is referred to as a "narrow space", a narrow space extending in a direction along the vertical direction and narrow in a direction along the horizontal direction is referred to as a "vertical narrow space", and A space extending in the horizontal direction and narrow in the vertical direction may be referred to as a “horizontal narrow space”. In addition, a surface forming the narrow space may be referred to as a “cleaning surface”, and a portion where two cleaning surfaces extending in different directions intersect may be referred to as a “corner”.
Examples of the surface to be cleaned include walls, floor surfaces, top surfaces of furniture, side surfaces and bottom surfaces, top surfaces, side surfaces and bottom surfaces of electrical appliances, and the like.
In addition, in this specification, a wide space may be referred to as a “wide space”.

・ "Along the prescribed direction" for the object
As used herein, "along a predetermined direction" with respect to an object means that the object extends in a direction closer to the predetermined direction than an orthogonal direction orthogonal to the predetermined direction, and In general, the object extends so as to have a crossing angle with a predetermined direction, preferably less than 45 °, more preferably 30 ° or less, even more preferably 20 ° or less, and even more preferably 5 ° or less. Means that
In this specification, when the intersection angle is 5 ° or less, it may be referred to as “parallel to a predetermined direction”.

Examples of the predetermined direction include a horizontal direction, a vertical direction, a plane direction, a longitudinal direction, a lateral direction, and a thickness direction.
For example, the surface to be cleaned that is the object is “along the vertical direction” means that the surface to be cleaned is preferably less than 45 ° with respect to the vertical direction, more preferably 30 ° or less, further preferably 20 ° or less, and Even more preferably it means extending so as to have a crossing angle of 5 ° or less.

・ "Along a predetermined line" related to the object
As used herein, "along a predetermined line" with respect to an object means that the object extends in a direction closer to the predetermined line than an orthogonal direction orthogonal to the predetermined line, and Typically, the object extends so as to have a crossing angle with a given line, preferably less than 45 °, more preferably less than 30 °, even more preferably less than 20 °, and even more preferably less than 5 °. Means that
In the present specification, when the intersection angle is 5 ° or less, it may be referred to as “parallel to a predetermined line”.

Examples of the predetermined line include a shaft, for example, a head rotating shaft, a holding unit rotating shaft, a handle rotating shaft, and the like.
For example, the weight as an object is "along the axis of rotation of the head" when the weight is less than 45 ° with respect to the axis of rotation of the head, more preferably less than 30 °, even more preferably less than 20 °, and even more. It preferably extends so as to have a crossing angle of 5 ° or less.

・ "Horizontal cleanability" and "Vertical cleanability"
In the present specification, “horizontal cleaning property” means cleaning property of a surface to be cleaned extending in a direction along the horizontal direction, and “vertical cleaning property” means cleaning property extending in a direction along the vertical direction. It means the cleanability of the cleaning surface.
・ "Narrow space cleanability"
In the present specification, “narrow space cleanability” means the cleanability of the surface to be cleaned that constitutes the narrow space. In addition, in the present specification, the cleaning properties of the surfaces to be cleaned that form the vertical narrow space and the horizontal narrow space are referred to as “vertical narrow space cleaning property” and “horizontal narrow space cleaning property”, respectively.
・ "Cleaning surface switchability"
In the present specification, "cleaning surface switchability" means switchability of a cleaning surface (first cleaning surface to second cleaning surface, or second cleaning surface to first cleaning surface).

・ "Narrow space cleaning mode" and "wide space cleaning mode" related to cleaning tools
In the present specification, the “narrow space cleaning mode” relating to the cleaning tool is a mode for cleaning a narrow space using the cleaning tool, and includes a cleaning head, a head rotating member (particularly, a bracket), and a cleaning tool handle. This means a configuration in which the planar direction of the cleaning head, the virtual surface of the head rotating member (particularly, the virtual surface of the bracket), and the handle axis are held in parallel (preferably on the same plane). In addition, the cleaning head and the head rotating member (particularly, the bracket) should be arranged such that the plane direction of the cleaning head and the virtual surface of the head rotating member (particularly, the virtual surface of the bracket) are parallel (preferably on the same plane). The holding may be referred to as matching the planar direction of the cleaning head with the virtual surface of the head rotating member (particularly, the bracket) of the head rotating member (particularly, the virtual surface of the bracket).
In the present specification, the plane angle of the cleaning head, the virtual surface of the head rotating member, and / or the parallel with respect to the handle axis have an intersection angle of 10 ° or less, preferably 5 ° or less, and more preferably 0 °. Means that.

In the present specification, the “wide space cleaning mode” regarding the cleaning tool holds the cleaning head so that the planar direction of the cleaning head intersects with the virtual surface of the head rotating member (particularly, the bracket) and the virtual surface of the head rotating member (particularly, the virtual bracket surface). It means the above-mentioned form.
The above definition means a typical form when cleaning a narrow space and a wide space using a cleaning tool, and does not limit the form of cleaning using a cleaning tool.

・ "Closed form" and "deployed form" related to the clamping part
In the present specification, the “closed form” regarding the sandwiching unit means a form in which the sandwiching unit is closed when the cleaning head includes the sandwiching unit. Further, when the sandwiching portion includes the first sandwiching portion and the second sandwiching portion having the rotating end and the opening / closing end, the “closed form” regarding the sandwiching part means a form in which the opening / closing end is closed. ..
In the present specification, the “deployment form” regarding the sandwiching unit means a form in which the sandwiching unit is opened when the cleaning head includes the sandwiching unit. When the sandwiching portion includes the first sandwiching portion and the second sandwiching portion having the rotating end and the opening / closing end, the “deployment form” regarding the sandwiching part is a form in which the opening / closing end is not closed, in particular, This means a form in which the portion that constitutes the open / close end of the first sandwiching portion and the portion that constitutes the open / close end of the second sandwiching portion exist at the furthest positions.
In both the closed configuration and the expanded configuration, the sandwiching portion may sandwich the cleaning sheet, and may not sandwich the cleaning sheet.

・ "Standing" for cleaning head
In this specification, the cleaning head is erected by rotating the cleaning head from a state in which the plane direction extends in the horizontal direction to a state in which the plane direction extends in the vertical direction. Means to let. For example, the cleaning head can be erected by lifting the cleaning head and rotating it from a state in which the plane direction extends in the horizontal direction to a state in which the plane direction extends in the vertical direction.

・ "Inside" and "outside"
In the present specification, “inward” and “outward” refer to a predetermined line, for example, a center line (for example, a longitudinal center line, a lateral center line, a thickness center line, etc.) For example, in an object having a rotating shaft, such as a head rotating shaft, a gripping unit rotating shaft, a handle rotating shaft, a handle shaft, etc., it means a direction approaching a predetermined line and a direction moving away from the axis. For example, the inner side in the longitudinal direction means a direction approaching the longitudinal centerline extending in the lateral direction in the longitudinal direction.

・ "Inside position" and "outside position"
Further, in the present specification, that one is arranged at an “inward position” with respect to the other means that one is arranged at a position closer to a predetermined target line than the other. However, the fact that one is arranged “outer side” than the other means that one is arranged farther from the predetermined line of interest than the other.

Specifically, the present disclosure relates to the following aspects.
[Aspect 1]
A cleaning head for a cleaning tool, comprising a cleaning head and a head rotating member rotatably attached to the cleaning head,
The cleaning head has a plate-like shape having a plane direction and a thickness direction, a cleaning surface extending in a direction along the plane direction, and a head rotating shaft extending in a direction along the plane direction. And a head rotation member connecting portion that is provided with,
The cleaning head is divided into a first head region and a second head region by an imaginary surface passing through the head rotation axis and extending in the thickness direction,
The cleaning head has its center of gravity in the first head area,
The cleaning head described above.

Since the cleaning head has its center of gravity in the first head area, when the user lifts the cleaning tool including the cleaning head, the first head area moves downward and the second head area moves upward. Since the cleaning head is easily moved upright, that is, the cleaning head is easily erected, the cleaning head is excellent in the horizontal direction cleaning property as well as the vertical direction cleaning property.
Further, the cleaning head is excellent in vertical narrow space cleanability because the cleaning head easily stands up when the user lifts the cleaning tool including the cleaning head.

[Aspect 2]
The cleaning head according to aspect 1, wherein the cleaning head includes, as the cleaning surface, a first cleaning surface and a second cleaning surface that face each other with the head rotation shaft interposed therebetween.

Since the cleaning head has the predetermined first cleaning surface and the predetermined second cleaning surface, when the user lifts the cleaning tool including the cleaning head, the cleaning head stands up and the vertical narrow space is maintained. The two opposing surfaces to be cleaned that are configured can be cleaned at one time, and the vertical narrow space cleanability is excellent.
Further, since the cleaning head includes the predetermined first cleaning surface and the second cleaning surface, the cleaning head easily stands up when the user lifts the cleaning tool including the cleaning head. Excellent cleaning surface switching.

[Aspect 3]
The cleaning head according to aspect 1 or 2, wherein the cleaning head has a weight in the first head area, so that the center of gravity of the cleaning head is in the first head area.

Since the cleaning head includes the weight in the first head area, and has the center of gravity of the cleaning head in the first head area, the configuration of the cleaning head itself (for example, the soft member forming the outer surface of the cleaning head, the cleaning head It is not necessary to adjust the center of gravity of the cleaning head by means of a hard member or the like constituting the inside, and the structure of the cleaning head can be simplified.

[Mode 4]
The cleaning head according to aspect 3, wherein the weight is separated from the head rotation shaft and extends in a direction along the head rotation shaft.
Since the cleaning head includes the weights arranged in the predetermined direction, when the user lifts the cleaning tool including the cleaning head, the cleaning head easily stands up, and the cleaning head is cleaned in the vertical direction. Excellent in performance.

[Aspect 5]
The cleaning head is configured to hold a cleaning sheet,
The cleaning head is a nipping portion having a first nipping portion and a second nipping portion, which nips at least one of one end portion and the other end portion of the cleaning sheet, and has a deployed form and a closed form. Equipped with something that can be taken,
The first sandwiching portion and the second sandwiching portion are rotatably connected by a rotating end having a sandwiching portion rotating shaft extending in a direction along the head rotating shaft and arranged at a position closer to the first head region. And an open / close end that extends in the direction along the head rotation axis and is openably and closably connected to the open / close end that is disposed in the second head region.
The cleaning head according to aspect 3 or 4.

In the above cleaning head, since the first holding portion and the second holding portion are connected by the predetermined rotating end and the predetermined opening / closing end, when the user lifts the cleaning tool to which the cleaning head is attached, In addition, the cleaning head is erected so that the open / close end faces upward, and the user can easily remove the cleaning sheet. Also, when the user lifts the cleaning tool to which the cleaning head is attached, the cleaning head stands up so that the rotating end faces downward, so that the cleaning head corresponding to the rotating end portion of the cleaning head. The side surface of is excellent in cleaning the corners of the vertically narrow space.

[Aspect 6]
The cleaning head according to the fifth aspect, wherein the head rotating member connecting portion and the weight are arranged in the first holding portion.

In the above cleaning head, since the head rotating member connecting portion and the weight are arranged in the first sandwiching portion, the cleaning head is liable to stand upright when the cleaning tool including the cleaning head is lifted, and thus the vertical cleaning property is improved. In addition to being excellent, the user of the cleaning tool hardly feels the weight of the cleaning tool.

[Aspect 7]
Aspects 3 to 6, wherein the cleaning head further includes a thickness direction center virtual surface arranged at the center in the thickness direction, and the weight is arranged so as to intersect the thickness direction center virtual surface. The cleaning head according to any one of 1.

In the above cleaning head, since the weight is present on the virtual center plane in the thickness direction, when the user lifts the cleaning tool including the cleaning head, it stands up so that the cleaning head extends in the direction along the vertical direction. Since it is easy to do (the cleaning head is hard to tilt), it is excellent in vertical cleaning property and cleaning surface switching property.

[Aspect 8]
A cleaning tool comprising a cleaning head, a head rotating member, and a cleaning tool handle,
The cleaning head has a plate-like shape having a plane direction and a thickness direction, a cleaning surface extending in a direction along the plane direction, and a head rotating shaft extending in a direction along the plane direction. And a head rotation member connecting portion that is provided with,
The cleaning head is divided into a first head region and a second head region by an imaginary surface passing through the head rotation axis and extending in the thickness direction,
The cleaning head has its center of gravity in the first head area,
The head rotating member is rotatably connected to the cleaning head via the head rotating member connecting portion,
The cleaning tool handle is connected to the head rotating member,
The cleaning tool as described above.
The cleaning tool has the same effect as that of the first aspect.

[Aspect 9]
9. The cleaning tool according to aspect 8, wherein the cleaning tool further includes a rotation suppressing member for suppressing the free rotation of the cleaning head about the head rotation shaft.

Since the cleaning tool further includes a predetermined rotation suppressing member, in use, from the cleaning of the surface to be cleaned extending in the horizontal direction to the surface to be cleaned extending in the vertical direction. When switching to cleaning, for example, when the cleaning tool (cleaning head) is lifted, the cleaning head does not continue to swing like a pendulum and easily stops in an upright state. As a result, the cleaning tool has excellent vertical cleanability.

[Aspect 10]
10. The cleaning tool according to aspect 9, wherein the rotation suppressing member is grease arranged in the head rotating member connecting portion.
In the above cleaning tool, since the rotation suppressing member is grease, it is possible to easily suppress the rotation of the cleaning head, and the rotation suppressing effect is unlikely to decrease over time.

[Aspect 11]
11. The cleaning tool according to any one of aspects 8 to 10, wherein the head rotating member is arranged on a virtual surface of the head rotating member that is a single plane.
In the above cleaning tool, since the head rotating member is arranged on the virtual surface of the head rotating member, the head rotating member does not easily obstruct the cleaning of the narrow space, and the cleaning tool has excellent narrow space cleaning properties.

[Aspect 12]
12. The cleaning tool according to aspect 11, wherein the cleaning tool is configured such that the cleaning head and the head rotating member can be fixed so that a planar direction of the cleaning head and a virtual surface of the head rotating member coincide with each other. ..

Since the cleaning tool is configured so that the cleaning head and the head rotating member can be fixed so that the planar direction of the cleaning head and the virtual surface of the head rotating member coincide with each other, cleaning is performed when the cleaning tool is lifted. The cleaning head is erected, and the cleaning head and the head rotation member are fixed so that the plane direction of the cleaning head coincides with the virtual surface of the head rotation member, and the cleaning tool is excellent in narrow space cleanability.

[Aspect 13]
Use of a cleaning sheet for a cleaning tool comprising a cleaning head capable of holding the cleaning sheet,
The cleaning head has a plate-like shape having a plane direction and a thickness direction, a cleaning surface extending in a direction along the plane direction, and a head rotating shaft extending in a direction along the plane direction. And a head rotation member connecting portion that is provided with,
The cleaning head is divided into a first head region and a second head region by an imaginary surface passing through the head rotation axis and extending in the thickness direction,
The cleaning head has its center of gravity in the first head area,
The use as described above.
The use has the same effect as that of the first aspect.

[Aspect 14]
A cleaning sheet for the cleaning head according to any one of aspects 1 to 7 or for the cleaning tool according to any one of aspects 8 to 12,
The cleaning head is configured to be able to hold the cleaning sheet,
The cleaning sheet is configured to be held by the cleaning head,
The above cleaning sheet.
Since the cleaning sheet is configured to be held by the predetermined cleaning head, it has the same effect as that of the first aspect.

A cleaning head for a cleaning tool of the present disclosure (hereinafter, a “cleaning head for a cleaning tool” may be simply referred to as a “cleaning head”), a cleaning tool including a cleaning head of the present disclosure (hereinafter, “cleaning head”). The “cleaning tool including a head” may be simply referred to as “cleaning tool”), and the use of the cleaning sheet of the present disclosure in the above cleaning tool (hereinafter, “use of the cleaning sheet in the above cleaning tool”). , May be simply referred to as “use for cleaning tool” or “use”), and a cleaning sheet for a cleaning tool of the present disclosure (hereinafter, “cleaning sheet for cleaning tool” is simply referred to as “cleaning sheet”). May be referred to)) will be described in detail below.

In the following description of the embodiment related to the cleaning tool, the embodiment related to the cleaning tool, the cleaning head, the use for the cleaning tool, and the cleaning sheet will be collectively described. Further, in the embodiment related to the cleaning tool, for ease of understanding, the cleaning tool is ordered from the member on the surface to be cleaned side to the member on the user side, specifically, the cleaning head, the head rotating member, and the cleaning tool. The patterns will be described in order.

1 to 13 are diagrams for explaining a cleaning tool 1 according to one of the embodiments of the present disclosure (hereinafter, referred to as “first embodiment”). Specifically, FIG. 1 is a perspective view of the cleaning tool 1. FIG. 2 is a perspective view of the cleaning head 3, and corresponds to an enlarged view of the portion of the cleaning head 3 of the cleaning tool 1 shown in FIG. 3 and 4 are a front view and a rear view of the cleaning tool 1 in the narrow space cleaning mode, respectively. FIG. 5 is a development view of the cleaning head 3 on the first inner surface 129 and the second inner surface 139 sides in the expanded configuration. FIG. 6 is a cross-sectional view of the cleaning head 3 taken along the line VI-VI in FIG. FIG. 7 is a development view of the cleaning head 3 on the side of the first outer surface 127 and the second outer surface 137 in the development state. FIG. 8 is a perspective view of the bracket 5 as a head rotating member. 9 to 11 are views for explaining a method of attaching the cleaning sheet 31 to the cleaning head 3. FIG. 12 is a diagram for explaining a wide space cleaning mode of the cleaning tool 1. FIG. 13 is a diagram for explaining the cleaning tool 1 in the narrow space cleaning mode.

The cleaning tool 1 according to the first embodiment includes a cleaning head 3, a bracket 5 as a head rotating member that is rotatably connected to the cleaning head 3, and a cleaning tool handle 7 that is connected to the bracket 5. I have it.
The cleaning head 3 has a plate-like shape having a plane direction P and a thickness direction T, and extends along the plane direction P in parallel to the cleaning surface 111 (specifically, the first cleaning surface 113). And a second cleaning surface 115) and a bracket hole 117 having a head rotation axis RA ₁ extending parallel to the plane direction P (specifically, the longitudinal direction L) as a head rotation member connecting portion. Is equipped with. The first cleaning surface 113 and the second cleaning surface 115 face each other in the thickness direction T with the head rotation axis RA ₁ interposed therebetween. The head rotation axis RA ₁ is a rotation axis for rotating the cleaning head 3 with respect to the bracket 5.

The cleaning head 3 has a longitudinal direction L and a lateral direction S orthogonal to the longitudinal direction L. The longitudinal direction L and the lateral direction S are arranged in the plane direction P. The bracket hole 117 and the head rotation axis RA ₁ extend in the longitudinal direction L. The bracket hole 117 has an opening 117a on one side surface (not shown) of the four side surfaces (not shown) of the cleaning head 3.

The cleaning head 3 is divided into a first head region 119 and a second head region 121 by an imaginary plane IS that passes through the head rotation axis RA ₁ and extends in the thickness direction T, and the cleaning head 3 is a cleaning head. The center of gravity of 3 is provided in the first head region 119. The center of gravity of the cleaning head 3 is adjusted by two weights 153 described later.

The cleaning head 3 is configured to hold the cleaning sheet 31. Specifically, the cleaning head 3 includes a holding portion 123 configured to hold the cleaning sheet 31 by holding both one end 33 and the other end 35 of the cleaning sheet 31. ing.

The sandwiching portion 123 includes a first sandwiching portion 125 and a second sandwiching portion 135, and the first sandwiching portion 125 and the second sandwiching portion 135 extend parallel to the head rotation axis RA ₁ (longitudinal direction L). It is rotatably connected by a rotating end 145 having a holding portion rotating shaft RA ₂ and is openably and closably connected by an opening / closing end 147 extending parallel to the head rotating shaft RA ₁ (longitudinal direction L). ..

The open / close end 147 is arranged at one end 149 of the cleaning head 3 in the lateral direction S, and the rotating end 145 is arranged at the other end 151 of the cleaning head 3 in the lateral direction S.
The bracket hole 117 is arranged in the first holding portion 125 (specifically, the first hard member 133 described later).

The first sandwiching portion 125 includes a first outer surface 127 and a first inner surface 129, and the first sandwiching portion 125 includes a first soft member 131 that constitutes the first outer surface 127 and a first inner surface 129 that constitutes the first inner surface 129. 1 hard member 133. The second sandwiching portion 135 includes a second outer surface 137 and a second inner surface 139, and the second sandwiching portion 135 includes a second soft member 141 forming the second outer surface 137 and a second inner surface 139 forming the second inner surface 139. 2 hard member 143.

The first sandwiching portion 125 includes two metal weights 153 arranged on the first outer surface 127 side surface (the first soft member 131 side surface) of the first hard member 133 in the first head region 119. I have it. 2 Tsunoomori 153, spaced apart from the head rotation axis RA _1, and the head rotation axis RA ₁ (longitudinal direction L) and running parallel, 2 Tsunoomori 153 is disposed adjacent the transverse direction S ing.

Further, the two weights 153 are arranged between the head rotation axis RA ₁ and the rotation end 145 of the first holding portion 125. This makes it difficult for the user to remember the weight of the weight 153 when using the cleaning tool 1, and facilitates the cleaning head 3 to stand up when the cleaning tool 1 is lifted.

As shown in FIG. 6, the cleaning head 3, further comprising a thickness direction center virtual surface IS _T disposed in the center of the thickness direction T, 2 Tsunoomori 153, the thickness direction center ideal plane IS _T It is arranged to intersect. This makes it difficult for the user to remember the weight of the weight 153 when using the cleaning tool 1, and facilitates the cleaning head 3 to stand up when the cleaning tool 1 is lifted.

The first inner surface 129 of the first sandwiching portion 125 has two first recesses 157 arranged at an inner position in the longitudinal direction L and an outer side in the longitudinal direction L with respect to the two first recesses 157. It is provided with two first convex portions 155 arranged at positions. Each of the two first concave portions 157 is recessed toward the second sandwiching portion 135 in the thickness direction T, and each of the two first convex portions 155 is in the thickness direction T the second sandwiching portion 135. Protruding towards.

The second inner surface 139 of the second sandwiching portion 135 has an outer side in the longitudinal direction L with respect to the two second convex portions 159 and two second convex portions 159 arranged in the longitudinal direction L. And two second recesses 161 arranged at one position. Each of the two second protrusions 159 protrudes toward the first sandwiching portion 125 in the thickness direction T, and each of the two second recesses 161 in the thickness direction T includes the first sandwiching portion 125. It is depressed toward.

The top surface of each of the two first protrusions 155 and the top surface of each of the two second protrusions 159 have a first slit portion 163 and a second slit portion 163 for holding the cleaning sheet 31, respectively. The slit portion 165 is provided.

Also, each of the two second convex portions 159 and each of the two first concave portions 157 are configured to mesh with each other when the holding portion 123 is closed. Further, each of the two second concave portions 161 and each of the two first convex portions 155 are configured to mesh with each other in the closed configuration of the sandwiching portion 123.

Further, cleaning is performed between the two first concave portions 157 of the first inner surface 129 of the first holding portion 125 and between the two second convex portions 159 of the second inner surface 139 of the second holding portion 135, respectively. Marks 167 (

marks

167a and 167b) for aligning the positions of the one end 33 of the sheet 31 and the other end 35 are arranged.

The first sandwiching portion 125 and the second sandwiching portion 135 each include a fitting protrusion 169 and a fitting recess 171 configured to hold the closed configuration of the sandwiching portion 123.
Specifically, the fitting protrusions 169 are arranged at both ends of the first sandwiching portion 125 in the longitudinal direction L, and the fitting protrusions 169 project outward in the longitudinal direction L. At the same time, it can expand and contract in the longitudinal direction L. Further, a fitting recess 171 configured to be fitted with the fitting protrusion 169 is arranged at each of both ends in the longitudinal direction L of the second sandwiching portion 135, and the fitting recess 171 has a long length. It is recessed outward in the direction L. By fitting the fitting protrusion 169 and the fitting recess 171 at both ends of the first holding portion 125 in the longitudinal direction L, the closed state of the holding portion 123 is maintained.

A recessed portion 173 for deploying the holding portion 123 in the closed configuration is arranged on each of both side surfaces arranged at both ends in the longitudinal direction L of the cleaning head 3. The recessed portion 173 is arranged at a position closer to the opening / closing end 147 than the rotating end 145 in the lateral direction S, and the recessed portion 173 includes the first hard member 133 and the first soft member 131 of the first sandwiching portion 125, Although it is arranged over the second hard member 143 and the second soft member 141 of the second holding portion 135, the bottom portion 175 of the recess 173 (the portion located inward in the longitudinal direction L) is the first holding portion. It is composed of the first hard member 133 of 125 and the second hard member 143 of the second holding portion 135. This makes it easy for the user to insert his / her finger into the recessed portion 173 and to expand the sandwiching portion 123 (the first sandwiching portion 125 and the second sandwiching portion 135) to form an expanded configuration, which in turn spreads the cleaning sheet 31 to the cleaning head. It becomes easy to attach to 3.

As shown in FIG. 6, the bracket hole 117 includes two bracket holding portions 118 for holding the head connecting portion 201 of the bracket 5. The two bracket holding portions 118 are arranged so as to cover the periphery of the bracket 5, and the diameter of the inner surface of the bracket holding portion 118 is configured to be larger than the diameter of the outer surface of the head connecting portion 201 of the bracket 5.

The cleaning tool 1 (cleaning head 3) has a rotation suppressing member inside the bracket holding portion 118 (more specifically, between the outer surface of the head connecting portion 201 of the bracket 5 and the inner surface of the bracket holding portion 118). Specifically, it is provided with grease (indicated by X in FIG. 6). The grease increases the friction between the inner surface (not shown) of the bracket hole 117 and the outer surface of the bracket 5 (specifically, the head connecting portion 201 described later), so that the cleaning head 3 moves against the bracket 5. To prevent it from rotating too much.

As shown in FIG. 8, the bracket 5 is composed of a rod-shaped member, and is connected to the head connecting portion 201 that is rotatably connected to the bracket hole 117 and the cleaning tool handle 7. The handle connecting portion 203 and the separating portion 205 that separates the head connecting portion 201 and the handle connecting portion 203 are provided. The head connecting portion 201, the handle connecting portion 203, and the separating portion 205 are arranged on the bracket virtual surface IS _B which is a single plane.

In the cleaning tool handle 7, the connecting rod 301, the first handle portion 307, the second handle portion 309, the third handle portion 311, and the fourth handle portion 313 having the grip 315 are connected in that order. The connecting rod 301, the first handle portion 307, the second handle portion 309, the third handle portion 311, and the fourth handle portion 313 can be switched between a connection mode and a separation mode. Is configured.

The connecting rod 301 is a rotating portion having a handle rotation axis RA ₃ that allows the handle 7 for a cleaning tool to rotate in a predetermined direction, and is composed of a pair of a first joint portion 303 and a second joint portion 305. .. The first joint portion 303 is connected to the handle connecting portion 203, and the second joint portion 305 is connected to the first handle portion 307.
The connecting rod 301 (cleaning tool handle 7) is connected to the handle connecting portion 203 of the bracket 5 so that the connecting rod 301 (cleaning tool handle 7) is rotatable on the bracket virtual surface IS _B (that is, the handle). The axis of rotation RA ₃ is connected such that it is orthogonal to the virtual plane IS _{B of the} bracket.

When the user uses the cleaning tool 1, the user puts his or her hand into the recessed portions 173 arranged on both side surfaces of the cleaning head 3 in the closed configuration in the longitudinal direction L to deploy the cleaning head 3 in the deployed configuration. As shown in FIG. 9, the cleaning head 3 in the expanded form is placed on the cleaning sheet 31 such that the first inner surface 129 and the second inner surface 139 of the holding portion 123 (the first holding portion 125 and the second holding portion 135) are upward. Place it so that it faces.

Next, the one end 33 and the other end 35 of the cleaning sheet 31 are aligned with the marks 167a (167) and 167b (167) of the first nipping portion 125, respectively, so that one end of the cleaning sheet 31 is aligned with the other end. The portion 33 and the other end portion 35 are folded toward the first inner surface 129 and the second inner surface 139, respectively.

Next, as shown in FIG. 10, the user inserts one end 33 of the cleaning sheet 31 into the first slit portions 163 arranged in each of the two first convex portions 155 of the first holding portion 125. The other end portion 35 of the cleaning sheet 31 is fixed to the second slit portions 165 arranged on the two second convex portions 159 of the second holding portion 135.

Next, the first holding portion 125 and the second holding portion 135 are rotated about the holding portion rotation axis RA ₂ of the rotating end 145, and the fitting projection 169 and the fitting recess 171 are fitted to each other, as shown in FIG. 11. Thus, the cleaning head 3 is in the closed configuration. As a result, the one end 33 of the cleaning sheet 31 is held by the first slits 163 of the two first protrusions 155, and is meshed with the combination of the first protrusion 155 and the second recess 161 ( It is held by the combination of the first concave portion 157 and the second convex portion 159 (two places in total), so that one end 33 of the cleaning sheet 31 is unlikely to come off from the holding portion 123 during use. ..

Similarly, the other end portion 35 of the cleaning sheet 31 is held by the second slit portions 165 of the two second convex portions 159 and is meshed with the combination of the first convex portion 155 and the second concave portion 161 ( It is held by a combination of the first concave portion 157 and the second convex portion 159 (two places in total), so that the other end portion 35 of the cleaning sheet 31 does not easily come off from the holding portion 123 during use. ..

When the user cleans a wide space, the cleaning tool 1 can be in a wide space cleaning mode as shown in FIG. 12, and the surface to be cleaned can be cleaned without particular limitation. The first surface 37 of the cleaning sheet 31 (the surface on the first cleaning surface 113 side of the cleaning head 3) is used for cleaning the surface to be cleaned, and when the first surface 37 becomes dirty, the cleaning head 3 is rotated 180 °. The surface to be cleaned can be cleaned using the second surface 39 of the cleaning sheet (the surface on the second cleaning surface 115 side of the cleaning head 3).

When the user cleans a narrow space, for example, a vertical narrow space 51 as shown in FIG. 13, the cleaning tool 1 is used in a narrow space cleaning mode, specifically, the cleaning head 3 is used. 3 is rotated so that a plane direction (not shown) of the bracket 3 and an imaginary bracket surface (not shown) of the bracket 5 coincide with each other, and the end portion of the cleaning head 3 in the longitudinal direction L (preferably, the bracket hole 117). The end portion on the side where the opening 117a does not exist) can be put in a narrow space to clean the surface to be cleaned in the narrow space.

In order to change the form of the cleaning tool 1 from the wide space cleaning mode to the narrow space cleaning mode, the cleaning tool 1 may simply be lifted. When the cleaning tool 1 (cleaning head 3) is lifted, the center of gravity of the cleaning head 3 exists in the first head region 119, and thus the cleaning head 3 easily stands up with the first head region 119 facing downward.

Further, since the cleaning tool 1 (cleaning head 3) has grease as a rotation suppressing member between the inner surface of the bracket hole 117 and the outer surface of the head connecting portion 201 of the bracket 5, the cleaning tool 1 is lifted. At this time, the cleaning head 3 is less likely to continue swinging like a pendulum, and easily stands upright.

Further, in the cleaning head 3 of the cleaning tool 1 according to the first embodiment, the rotating end 145 is arranged at the other end 151 of the cleaning head 3 in the lateral direction S of the first head region 119, so that cleaning is performed. When the head 3 is lifted, the cleaning head 3 stands up so that the rotating end 145 faces downward and the opening / closing end 147 faces upward. Therefore, it is easy to clean the corner 53 of the vertically narrow space 51 by using the side surface of the cleaning head 3 on the first head region 119 side (rotating end 145 side), and at that time, the cleaning sheet 31 causes the cleaning head 3 to clean. It becomes difficult to come off.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), examples of the cleaning head include those that perform cleaning without attaching the cleaning sheet, those that attach the cleaning sheet and perform cleaning.
Examples of the cleaning head that performs cleaning without attaching the cleaning sheet include those having a brush portion and those having a sponge portion.

Examples of the cleaning sheet for the cleaning head that attaches the cleaning sheet and performs cleaning include those known in the art, such as those containing a nonwoven fabric and those containing a tow. Examples of the cleaning sheet include a dry type and a wet type impregnated with a chemical solution.
The cleaning sheet is a cleaning sheet having one end and the other end, and is configured such that the one end and the other end are fixed to a cleaning head and used. There can be, and a cylindrical cleaning sheet that is configured to cover the cleaning head. The tubular cleaning sheet is preferably used for a one-handed cleaning head described later.

In the cleaning tool of the present disclosure (cleaning head of the present disclosure, use of the present disclosure), the cleaning head has a plate-like shape having a plane direction and a thickness direction and extends in a direction along the plane direction. The cleaning device includes a cleaning surface and a head rotation member connecting portion having a head rotation shaft extending in a direction along the plane. The head rotation shaft is a rotation shaft for rotating the cleaning head with respect to the head rotation member.

The plate-like shape may have two surface portions extending in the direction along the plane and facing each other, and side portions extending in the direction along the thickness direction. For example, the shape is not particularly limited. The surface portion has a polygonal shape, for example, a triangle (for example, an isosceles triangle), a quadrangle (for example, a rectangle, a rhombus), a pentagon, a hexagon, or the like, which is a curved shape, for example, when viewed from the thickness direction of the cleaning head. Can be circular, oval, etc. The plate-like shape may have a longitudinal direction and a lateral direction in the plane direction.

Further, the surface portion and the side surface portion are not only flat surfaces but also curved surfaces (for example, curved surfaces in which central regions other than both ends project outward, curved regions in which central regions other than both ends are recessed inward). Surface) and may include a relief structure, eg, one or more protrusions, one or more recesses, and the like. As a result, when the cleaning head is configured to hold the cleaning sheet, the cleaning sheet attached to the cleaning head is less likely to shift, and the cleaning sheet does not come off the cleaning head when using the cleaning tool. It gets harder.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), in the cleaning head, only one surface portion (one surface, that is, only the first cleaning surface) of the two surface portions has the cleaning surface. It may be configured, and the two surface portions (both sides, that is, the first cleaning surface and the second cleaning surface) may constitute the cleaning surface.

In the cleaning tool of the present disclosure (cleaning head of the present disclosure, use of the present disclosure), the thickness of the cleaning head (length in the thickness direction) is not particularly limited, but from the viewpoint of cleaning a narrow space. The thickness is preferably thin, and the thickness is preferably 3.0 cm or less, more preferably 2.0 cm or less. From the viewpoint of the strength of the cleaning tool, the thickness is preferably 0.1 cm or more, and more preferably 1.0 cm or more. The thickness of the cleaning head means the thickest part of the cleaning head.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), the cleaning head has a virtual surface that passes through the head rotation axis of the head rotation member connecting portion and extends in the thickness direction of the cleaning head. The cleaning head is divided into a first head area and a second head area, and the cleaning head has the center of gravity of the cleaning head in the first head area. In the cleaning tool, the first area of the cleaning head moves downward in a state where the center of gravity of the cleaning head is held horizontally with the head rotation shaft of the cleaning head and the cleaning head is not fixed, and It is preferable that the second region is provided so as to move upward. This is from the viewpoint of vertical cleanability and vertical narrow space cleanability.

The center of gravity of the cleaning head can be adjusted in the first head region and the second head region by changing the mass of a member that constitutes the cleaning head, such as a soft member or a hard member.
Further, the center of gravity of the cleaning head can be adjusted by disposing an additional member such as a weight in the first head area. Examples of the material of the weight include metal (for example, iron, stainless steel, lead, copper, magnet), rubber, plastic and the like.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), the head rotation member connecting portion of the cleaning head includes a head rotation shaft extending in a direction along the plane direction of the cleaning head, The cleaning head and the head rotating member are not particularly limited as long as they can be rotatably connected to each other.

Although a preferable configuration of the head rotating member will be described later, the head rotating member connecting portion is (i) for a bracket having an opening portion configured to rotatably connect a rod-shaped bracket as the head rotating member. Hole (for example, the one shown in the first embodiment), (ii) configured to rotatably connect to a rotary member side joint portion (for example, an arcuate rotary member side joint portion) as a head rotary member. Head-side joint portion (for example, a cylindrical head-side joint portion configured to be inserted into an arc-shaped rotary member-side joint portion, for example, the first joint member 5a described in JP-A-2017-384). ) And the like.

When the head rotating member connecting portion is a bracket hole, the opening of the bracket hole can be arranged at any position of the cleaning head, and is preferably arranged on the side surface. When the cleaning head has a longitudinal direction and a lateral direction, the opening portion of the bracket hole has a side surface portion (both side surface portions) that constitutes an end portion (both end portions) in the longitudinal direction, and an end portion in the lateral direction (both ends). Can be disposed on the side surface portions (both side surface portions) that form the end portion, and are preferably disposed on the side surface portions (both side surface portions) that form the end portions (both end portions) in the longitudinal direction. This is from the viewpoint of ease of use of the cleaning tool.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), the head rotation shaft of the cleaning head, the head rotation member (for example, the hole for the bracket, the head side joint portion, etc.) are arranged in the predetermined direction. It is preferable to be arranged at the center of the side surface portion in the plane direction, and when the cleaning head has a longitudinal direction and a lateral direction, the predetermined direction may be the longitudinal direction or the lateral direction, and the cleaning may be performed. It is preferable that the head rotation shaft of the head, the head rotation member (for example, the bracket hole, the head side joint portion, etc.) be arranged at the center in the longitudinal direction or the center in the lateral direction. This is from the viewpoint of ease of rotation of the cleaning head and usability of the cleaning tool.

The weight can be arranged at any position in the first head region, but it is preferable that it is arranged at least at a position far from the head rotation axis. The center of gravity of the cleaning head can be efficiently separated from the head rotation shaft while suppressing an increase in the mass of the cleaning head (making it easier to stand up). Excellent in cleaning performance and cleaning surface switching performance.
The weight may be arranged so as to extend in a direction along the head rotation axis, and may be arranged so as to extend along a direction orthogonal to the head rotation axis.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), when the cleaning head includes an odd number or an even number of weights, an odd number or an even number of weights is It can be arranged so as to intersect with a virtual virtual surface in the thickness direction, which is arranged at the center in the thickness direction. Accordingly, when the user lifts the cleaning tool including the cleaning head, the cleaning head easily stands up in the direction along the vertical direction.
Further, in the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), when the cleaning head includes an even number of weights, the even number of weights is the above-mentioned virtual center plane in the thickness direction. Can be targeted to. Accordingly, when the user lifts the cleaning tool including the cleaning head, the cleaning head easily stands up in the direction along the vertical direction.

Further, in the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), when the cleaning head includes a weight, the weight is arranged in the thickness direction centered in the thickness direction of the cleaning head. It can be arranged to be asymmetric with respect to the central virtual plane. For example, when the cleaning head includes one weight, the weight can be arranged so as not to intersect the virtual center plane in the thickness direction. As a result, when the user lifts the cleaning tool including the cleaning head, the cleaning head easily tilts in a direction tilted from the vertical direction, so that the cleaning tool is switched between the horizontal cleaning mode and the vertical cleaning mode. It will be easier.

In the cleaning tool according to the present disclosure (the cleaning head according to the present disclosure and the use according to the present disclosure), when the cleaning head attaches and cleans the cleaning sheet, the cleaning head includes one end of the cleaning sheet and A sandwiching part that sandwiches at least one of the other ends can be provided, which is configured so as to be capable of adopting a deployed configuration and a closed configuration. As a result, the end of the cleaning sheet that is clamped by the clamping section does not easily come off the clamping section, and the cleaning sheet does not easily come off the cleaning head. The sandwiching portion can sandwich one end and the other end of the cleaning sheet, and can sandwich both one end and the other end of the cleaning sheet.

The sandwiching portion is not particularly limited as long as it can sandwich the cleaning sheet, but the sandwiching portion includes a first sandwiching portion and a second sandwiching portion, and the first sandwiching portion and the second sandwiching portion. The portions are rotatably connected by a rotary end having a sandwiching portion rotation shaft extending in a direction along a predetermined direction (preferably, a direction along the head rotation axis, the longitudinal direction, etc.), and a predetermined direction ( It is preferable that the opening and closing ends extend in the direction along the head rotation axis, the longitudinal direction, etc.) so that they can be opened and closed. As a result, the end of the cleaning sheet that is clamped by the clamping section does not easily come off the clamping section, and the cleaning sheet does not easily come off the cleaning head.

The rotating end and the opening / closing end can be arranged at arbitrary positions of the cleaning head. For example, when the rotating end (pinching part rotating shaft) and / or the opening / closing end extends in the direction along the head rotating shaft. In addition, the rotating end (pinching portion rotating shaft) and / or the opening / closing end may be arranged at an end portion in a direction orthogonal to the head rotating shaft, a region adjacent to the head rotating shaft, or the like. Further, when the rotating end (pinching part rotating shaft) and / or the opening / closing end extends in the direction along the longitudinal direction of the cleaning head, the rotating end (pinching part rotating shaft) and / or the opening / closing end is a short side. It may be arranged at the end of the direction, a region adjacent to the head rotation axis, or the like.

14 and 15 are diagrams for explaining the cleaning tool 1 according to another embodiment of the present disclosure (hereinafter, may be referred to as “second embodiment”). Specifically, FIG. 14 is a perspective view of the cleaning tool 1 according to the second embodiment. FIG. 15 is a cross-sectional view of the cleaning tool 1 taken along the line XV-XV in FIG.

The cleaning tool 1 according to the second embodiment includes a sandwiching portion 123 including a first sandwiching portion 125 and a second sandwiching portion 135. The first sandwiching portion 125 and the second sandwiching portion 135 are rotatably connected by a rotary end 145 having a sandwiching portion rotation axis RA ₂ extending parallel to the head rotation axis RA ₁ (longitudinal direction L), and It is openably and closably connected by an open / close end 147 extending parallel to the head rotation axis RA ₁ (longitudinal direction L).

In the cleaning tool 1 according to the second embodiment, the rotating end 145 is arranged in the second head region 121, but not the other end 151 in the lateral direction S, but the head rotating shaft in the second head region 121. It is located at a position closer to RA ₁ . The open / close end 147 is arranged at one end 149 in the lateral direction S of the first head region 119.

In the cleaning tool 1 (cleaning head 3) according to the second embodiment, a magnet as the weight 153 is arranged in the first head area 119. The bracket 5 as a head rotating member is composed of a rod-shaped member and is rotatably connected to a bracket hole (not shown) as a head rotating member connecting portion, and a cleaning tool. A handle connecting portion 203 connected to the handle 7 and a head connecting portion 201 and a separating portion 205 separating the handle connecting portion 203 are provided, and the head connecting portion 201, the handle connecting portion 203, and the separating portion are provided. 205 is disposed on a bracket virtual surface (not shown) that is a single plane.

The head connecting portion 201 of the bracket 5 is a head fixing magnet 181 that projects toward the opposite side of the handle connecting portion 203 of the bracket 5 at a position facing the weight 153, and is arranged so as to attract the weight 153. It has what it has. For example, when the user lifts the cleaning tool 1 to clean a narrow space in the vertical direction, the first head region 119 including the magnet as the weight 153 moves downward, the cleaning head 3 stands up, and the magnet The weight 153 is attracted to the head fixing magnet 181, and the cleaning head 3 can be fixed in a standing state. Therefore, the cleaning tool 1 according to the second embodiment is excellent in vertical cleanability in addition to horizontal cleanability. Since the bracket 5 is made of stainless steel, which is a non-magnetic material, the weight 153 as a magnet does not attract the bracket 5 itself, and the weight 153 as a magnet includes only the protruding head fixing magnet 181. It is designed to attract.

In addition, in the cleaning tool 1 according to the second embodiment, the first holding portion 125 is arranged at a position corresponding to the weight 153 of the second holding portion 135 so as to attract the magnet forming the weight 153, and the holding magnet 183. The holding portion 123 can hold the closed state by the holding magnet 183 of the first holding portion 125 and the weight 153 (magnet) of the second holding portion 135 attracting each other. In other words, the weight 153 is used not only for disposing the center of gravity in the first head region 119, but also for holding the holding portion 123 in the closed state.

Further, in the cleaning tool 1 according to the second embodiment, one end portion (not shown) of the cleaning sheet (not shown) is arranged on the first outer surface 127 of the first sandwiching portion 125, and the two first sheets are provided. The other end portion (not shown) of the cleaning sheet (not shown) held by the slit portion 163 is provided to the two second slit portions 165 arranged on the second inner surface 139 of the second holding portion 135. Retained. In other words, one end (not shown) of the cleaning sheet (not shown) is held by the first outer surface 127 of the cleaning head 3 and the other end (not shown) of the cleaning sheet (not shown). ) Is held by the holding portion 123 of the cleaning head 3.
The other parts of the cleaning tool 1 according to the second embodiment are similar to those of the cleaning tool 1 according to the first embodiment, and therefore description thereof is omitted.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), when the cleaning head is configured to be capable of holding a cleaning sheet, the cleaning head is configured to perform cleaning for holding the cleaning sheet. It is preferable to include a seat fixing portion. As the cleaning sheet fixing portion, sandwiching (for example, sandwiching portion), slit portion (for example, the first slit portion 163 and the second slit portion 165 shown in the first and second embodiments), a surface fastener. Hook members and the like.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), in the case where the cleaning head includes a cleaning sheet fixing portion for holding the cleaning sheet, the cleaning head has an outer surface, One or more cleaning sheet fixing parts may be provided, and one or more cleaning sheet fixing parts may be provided on the inner surface thereof.

As an example in which the cleaning head includes one or a plurality of cleaning sheet fixing portions on its inner surface, for example, the cleaning head includes a holding portion, for example, a holding portion having a first holding portion and a second holding portion. Some of them are listed. The first sandwiching portion and the second sandwiching portion are rotatably connected by a rotating end having a sandwiching portion rotating shaft extending in a predetermined direction (preferably, a direction along the head rotating shaft, the longitudinal direction, etc.). , The one that is openably and closably connected by an opening and closing end extending in a predetermined direction (preferably, a direction along the head rotation axis, the longitudinal direction, etc.), and the first inner surface or the second inner surface of the first holding portion. An example is one in which the second inner surface of the sandwiching portion is provided with the cleaning sheet fixing portion.

Further, the cleaning head can be provided with one or a plurality of cleaning sheet fixing portions on its outer surface, and the cleaning head is provided with a sandwiching portion, for example, a sandwiching portion having a first sandwiching portion and a second sandwiching portion. In this case, the first outer surface of the first sandwiching portion and / or the second outer surface of the second sandwiching portion may include the cleaning sheet fixing portion.

In the cleaning tool of the present disclosure (cleaning head of the present disclosure, use of the present disclosure), the cleaning head includes a holding portion having a first holding portion and a second holding portion, and a weight is arranged in the first head region. In that case, the weight and the head rotation member connecting portion are preferably arranged in the first sandwiching portion. This makes it difficult for the user to remember the weight of the weight when using the cleaning tool, and makes it easier for the cleaning head to stand up when the cleaning tool is lifted. Excellent in vertical cleaning property, vertical narrow space cleaning property, cleaning surface switching property, etc.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), in the case where the cleaning head includes a holding portion, for example, a holding portion including a first holding portion and a second holding portion As the holding means for holding the closed form of the first holding portion and the second holding portion, a known means in the art can be adopted, and for example, a pair of fitting projections and a fitting Examples thereof include a combination recess, a surface fastener (a hook type member and a loop type member), a pair of magnets, a pair of magnets and a ferromagnetic material (for example, iron, cobalt, nickel), a clip spring, a mechanical lock and the like.

The pair of fitting projections and fitting recesses are respectively projected and recessed in a predetermined direction, and the predetermined direction is a direction that constitutes a plane direction of the cleaning head (for example, a longitudinal direction or a lateral direction). ) Is preferred, more preferably in the direction that constitutes the longitudinal direction of the cleaning head (for example, inward or outward in the longitudinal direction), and even more preferably inward in the longitudinal direction of the cleaning head. As a result, it becomes easier to maintain the closed form of the holding portion.

In the cleaning tool of the present disclosure (the cleaning head of the present disclosure, the use of the present disclosure), the cleaning head can be made of various materials, the outer surface of which is made of a soft member, and the inner portion is made of the above-mentioned soft material. It is preferable that it is made of a hard member that is harder than the member. This is from the viewpoint of both operability and cleanability.

Examples of the material forming the soft member include ethylene vinyl acetate copolymer (EVA), polyurethane (PU), elastomer, rubber, sponge, various foams, cloth (for example, non-woven fabric, such as felt, woven fabric, and knitted fabric). Examples of the material forming the hard member include ABS resin, polyolefin (eg, polyethylene (PE), polypropylene (PP), etc.), polyethylene terephthalate (PET), polyacetal (POM), polycarbonate ( PC), polystyrene (PS), polyamide (PA), polyvinyl chloride (PVC), acrylic resin and composite materials thereof, and metal (for example, aluminum).

In the cleaning tool of the present disclosure (use of the present disclosure), the cleaning tool may include a cleaning head, a head rotating member, and a cleaning tool handle.
The structure of the head rotating member is not particularly limited as long as it can connect the cleaning head to the cleaning tool handle.
When the head rotation member connecting portion of the cleaning head is a bracket hole having an opening, the head rotation member is formed of a rod-shaped member, and the cleaning head is inserted through the bracket hole of the cleaning head. Preferably, the bracket is configured to be rotatably coupled to. From the viewpoint of cleanability in a narrow space, it is preferable that the bracket is disposed on a bracket virtual surface that is a single plane.

Examples of the rod-shaped member include those having a circular, elliptical, or polygonal cross section, and the bracket preferably has at least a circular cross section of the head connecting portion, and the entire bracket has a circular cross section. Is preferred. This is because the cleaning head rotates about the head rotation axis and the bracket does not easily damage the surface to be cleaned. Examples of the material of the bracket include a metal, for example, a magnetic material (magnetic metal), for example, iron (for example, zinc-plated iron), a non-magnetic material (non-magnetic metal), for example, stainless steel, aluminum and the like. Be done.

In the cleaning tool of the present disclosure (use of the present disclosure), the cleaning tool includes a cleaning head fixing mechanism described below, and the cleaning head fixing mechanism is a pair of magnets or a pair of magnets and a ferromagnetic material. Sometimes the bracket may be constructed of ferromagnetic, non-magnetic and combinations thereof, and may include magnets.
For example, the cleaning head can be fixed at a desired position by forming the bracket from a non-magnetic material (for example, stainless steel) and disposing a ferromagnetic material or a magnet in a part thereof.

The bracket includes, for example, a head connecting portion that is rotatably connected to the bracket hole, a handle connecting portion that is connected to the handle for the cleaning tool, and a separating portion that separates the head connecting portion and the handle connecting portion. Can be equipped with. The handle connecting part and the separating part and the head connecting part and the separating part may be connected so as to intersect with each other, and may be integrated so as to be curved.

The head connecting part and the handle connecting part can have arbitrary lengths. For example, the head connecting portion may have substantially the same length as the handle connecting portion, thereby reducing the weight of the bracket and thus the cleaning tool and accurately applying the force applied to the cleaning tool handle to the cleaning head. It becomes easy to convey to. Further, the head connecting portion may be longer than the handle connecting portion, so that the force applied to the cleaning tool handle can be easily transmitted to the cleaning head. Further, the head connecting portion may have a length substantially the same as that of the cleaning head or a length longer than that of the cleaning head, so that the force applied to the cleaning tool handle is transmitted to the entire cleaning head. It will be easier.

In the head connecting portion, the handle connecting portion, and the separating portion, at least the head connecting portion and the handle connecting portion are preferably arranged on the virtual plane of the bracket, and the head connecting portion, the handle connecting portion, and the separating portion. However, it is more preferable that they are arranged on the virtual plane of the bracket. This is from the viewpoint of cleanability in a narrow space.

When the head rotation member connecting portion of the cleaning head is the head-side joint portion, the head rotation member rotates together with the head-side joint portion of the cleaning head (for example, a cylindrical head-side joint portion including the head rotation shaft). It can be a rotary member side joint portion configured to be connected as possible (for example, a rotary member side joint portion configured to cover a columnar head side joint portion).

In the cleaning tool of the present disclosure (use of the present disclosure), it is preferable that the cleaning tool further includes a rotation suppressing member for suppressing the cleaning head from freely rotating around the head rotation axis. Accordingly, when the cleaning tool is lifted, the cleaning head can be prevented from continuing to swing like a pendulum about the head rotation shaft.

Examples of the rotation suppressing member include a head rotating member connecting portion of a cleaning head and a head rotating member [for example, an inner surface of a hole for a bracket and an outer surface of a bracket (for example, a head connecting portion), a head side joint). Between the portion and the joint portion on the rotating member side, etc.]. By using the friction enhancer, the rotation suppressing effect does not easily decrease with time.

Further, as the rotation suppressing member, a protruding member (for example, a head connecting portion of the bracket) arranged on a head rotating member (for example, a part or all of an outer periphery of the head connecting portion of the bracket, a rotating member side joint portion, or the like) is used. An O-shaped ring arranged on the entire outer circumference, which is configured to cause friction with a head rotating member connecting portion (for example, an inner surface of a bracket hole, a head side joint portion), a head rotating member connecting portion A protrusion member disposed on a portion (for example, the inner surface of the bracket hole, the head-side joint portion, etc.), which causes friction with the head rotation member (for example, the outer surface of the head coupling portion of the bracket, the bracket-side joint portion) And the like.

In the cleaning tool of the present disclosure (use of the present disclosure), the cleaning tool may be configured to be able to fix the cleaning head to the head rotating member or the handle for the cleaning tool (hereinafter, the cleaning tool is referred to as “cleaning head”). It is sometimes referred to as having a "fixing mechanism"). Accordingly, the cleaning head can be fixed when the cleaning tool is not to be rotated, such as when carrying the cleaning tool or when storing the cleaning tool, and the cleaning tool has excellent cleaning head fixing properties.

In the cleaning tool of the present disclosure (use of the present disclosure), when fixing the cleaning head to the head rotating member, the head rotating member may be a bracket or a rotating member side joint portion, and may be a bracket. preferable. Further, in the case where the head rotating member that fixes the cleaning head is a bracket, and the bracket is arranged on the bracket virtual surface, the cleaning tool sets the cleaning head and the bracket to the plane direction of the cleaning head. It is preferable that the bracket can be fixed so as to match the virtual surface of the bracket. As a result, the cleaning tool has excellent cleanability in a narrow space.
The cleaning head can be fixed to any of the head connecting portion, the handle connecting portion, or the separating portion of the bracket.

The cleaning head fixing mechanism includes a pair of magnets, a pair of magnets and a ferromagnetic material (for example, iron, cobalt, nickel), a pair of fitting parts, and the like. As an example in which the cleaning head fixing mechanism is a pair of magnets, a magnet arranged in a head rotating member (for example, a head connecting portion of a bracket, a handle connecting portion and / or a separating portion, a rotating member side joint portion, etc.), An embodiment (for example, the second embodiment) of the cleaning head including the magnet arranged on the head rotating member and the magnet arranged at the corresponding position can be given. The same applies to an example in which the cleaning head fixing mechanism is a pair of magnets and a ferromagnetic material. As an example in which the cleaning head fixing mechanism is a pair of fitting portions, a third embodiment described later, that is, a rod-shaped bracket as a head rotating member, and a rod-shaped bracket arranged on the cleaning head, are fitted. And a groove portion formed so as to do so.

In the case where the cleaning head fixing mechanism is a pair of magnets and the magnet is arranged in the head connecting portion of the bracket, the head connecting portion of the bracket is made of a non-magnetic material and the magnet Is preferably arranged at a predetermined position in the circumferential direction of the head rotation shaft, and it is more preferable that the magnet protrudes from the head connecting portion of the bracket in a direction orthogonal to the head rotation shaft. By doing so, the cleaning head is easily fixed at a desired position.

In the cleaning tool of the present disclosure (use of the present disclosure), when the cleaning head is fixed to the handle for the cleaning tool, the head rotating member and the head rotating member connecting portion include a pair of rotating member side joint portions and a head side joint. It is preferably part. Further, it is preferable that the cleaning head includes a receiving portion for receiving the cleaning tool handle, which extends in a direction (preferably a direction orthogonal to the head) intersecting the head rotation axis in the plane direction. This is for fixing the cleaning head to the cleaning tool handle.
The receiving portion may penetrate in the thickness direction of the cleaning head, or may not penetrate in the thickness direction of the cleaning head.

The cleaning head fixing mechanism is similar to the case of fixing the cleaning head to the head rotating member, and includes a pair of magnets, a pair of magnets and a ferromagnetic material (for example, iron, cobalt, nickel), and a pair of fitting portions. Etc. As an example in which the cleaning head fixing mechanism is a pair of magnets, it is arranged at a position corresponding to the magnet arranged on the cleaning tool handle and the receiving part of the cleaning head on the cleaning tool handle. Embodiments including a magnet are included. The same applies to an example in which the cleaning head fixing mechanism is a pair of magnets and a ferromagnetic material. As an example in which the cleaning head fixing mechanism is a pair of fitting portions, a cleaning tool handle and a groove portion that is arranged in the receiving portion of the cleaning head and that is formed so as to fit with the cleaning tool handle are provided. Can be mentioned.

FIG. 16 is a diagram for explaining the cleaning tool 1 according to another embodiment of the present disclosure (hereinafter, may be referred to as “third embodiment”).
In the cleaning tool 1 according to the third embodiment, the cleaning head 3 rotates the head on the side surface having the bracket hole 117 as the head rotation member connecting portion and on both sides of the bracket hole 117 in the lateral direction S, respectively. A groove portion 191 extending parallel to the lateral direction S is provided for holding the separated portion 205 of the bracket 5 as a member.

The bracket 5 is composed of a rod-shaped member, and is connected to a head connecting portion (not shown) that is rotatably connected to the bracket hole 117 and a cleaning tool handle (not shown). A handle connecting portion 203, a head connecting portion (not shown), and a separating portion 205 separating the handle connecting portion 203 from each other. The head connecting portion (not shown), the handle connecting portion 203, and The separating portion 205 is disposed on a bracket virtual surface (not shown) that is a single plane.

In the cleaning tool 1 according to the third embodiment, when the plane direction P of the cleaning head 3 and the bracket virtual surface (not shown) are matched, the spacing portion 205 of the bracket 5 is held by the groove portion 191. The flat surface direction P of the cleaning head 3 and the bracket virtual surface (not shown) can be fixed in a state of being aligned with each other.

In the cleaning tool of the present disclosure (use of the present disclosure), the cleaning tool is so-called one-handed, for example, when the cleaning head is only in one place, through the bracket hole as the head rotating member connecting portion, the head rotating member. And the cleaning head is connected to the rotary member side joint portion as the head rotary member through the head side joint portion as the head rotary member joint portion at only one place. And so on.

In the cleaning tool of the present disclosure (use of the present disclosure), the cleaning tool is a so-called two-handed holder. The cleaning head that is connected to the bracket as the head rotating member is rotated at a plurality of locations (preferably at two locations) via the head-side joint portion that serves as the head rotating member coupling portion. For example, it may be connected to the member-side joint portion.

By holding the cleaning tool with one hand, as shown in FIG. 13, it becomes easier to clean the narrow space by using the end of the cleaning head where the bracket as the head rotating member does not exist. In addition, by holding the cleaning tool with both hands, the force of the user is easily transmitted to the cleaning head.

As a cleaning tool having both hands, for example, a cleaning tool connected to a bracket as a head rotation member via two bracket holes as a head rotation member, which are arranged at two positions on the side surface of the cleaning head. Is mentioned.
When the cleaning tool of the present disclosure (use of the present disclosure) has a longitudinal direction and a lateral direction, the two bracket holes are provided on two side surfaces facing each other, which are arranged at both longitudinal ends of the cleaning head. Part or two side parts facing each other, which are arranged at both ends in the lateral direction of the cleaning head, and two side parts facing each other, which are arranged at both longitudinal ends of the cleaning head. Preferably.

The two bracket holes may be continuously integrated and separated, but preferably have a single head rotation shaft.

1 Cleaning Tool 3 Cleaning Head 5 Bracket 7 Cleaning Tool Handle 31 Cleaning Sheet 111 Cleaning Surface 113 First Cleaning Surface 115 Second Cleaning Surface 117 Bracket Hole 117a Opening 118 Bracket Holding 119 First Head Area 121 Second Head Area 123 clamping portion 125 first holding portion 135 second sandwiching portions 145 rotate end 147 open end 153 weight P planar direction T thickness direction L longitudinal direction S widthwise direction iS virtual surface iS _T the thickness direction center ideal plane iS _B bracket virtual Surface RA ₁ Head rotation axis RA ₂ Clamping section rotation axis RA ₃ Handle rotation axis

Claims

A cleaning head for a cleaning tool, comprising a cleaning head and a head rotating member rotatably attached to the cleaning head,
The cleaning head has a plate-like shape having a plane direction and a thickness direction, a cleaning surface extending in a direction along the plane direction, and a head rotation shaft extending in a direction along the plane direction. And a head rotation member connecting portion that is provided with,
The cleaning head is divided into a first head region and a second head region by an imaginary surface that passes through the head rotation axis and extends in the thickness direction,
The cleaning head has its center of gravity in the first head area,
The cleaning head described above.
The cleaning head according to claim 1, wherein the cleaning head includes, as the cleaning surface, a first cleaning surface and a second cleaning surface that face each other with the head rotation shaft interposed therebetween.
The cleaning head according to claim 1 or 2, wherein the cleaning head has a weight in the first head area, so that the center of gravity of the cleaning head is in the first head area.
The cleaning head according to claim 3, wherein the weight is separated from the head rotation shaft and extends in a direction along the head rotation shaft.
The cleaning head is configured to hold a cleaning sheet,
The cleaning head is a nipping portion having a first nipping portion and a second nipping portion, which nips at least one of one end portion and the other end portion of the cleaning sheet, and has a deployed form and a closed form. Equipped with something that can be taken,
The first sandwiching portion and the second sandwiching portion are rotatably connected by a rotary end having a sandwiching portion rotation shaft extending in a direction along the head rotation shaft and arranged at a position closer to the first head region. And an open / close end that extends in the direction along the head rotation axis and that is openably and closably coupled to the open / close end that is disposed in the second head region,
The cleaning head according to claim 3 or 4.
The cleaning head according to claim 5, wherein the head rotating member connecting portion and the weight are arranged in the first holding portion.
The cleaning head further comprises a thickness-direction virtual center plane disposed at the center of the thickness-direction, and the weight is disposed so as to intersect the thickness-direction center virtual plane. The cleaning head according to any one of 6 above.
A cleaning tool comprising a cleaning head, a head rotating member, and a cleaning tool handle,
The cleaning head has a plate-like shape having a plane direction and a thickness direction, a cleaning surface extending in a direction along the plane direction, and a head rotation shaft extending in a direction along the plane direction. And a head rotation member connecting portion that is provided with,
The cleaning head is divided into a first head region and a second head region by an imaginary surface that passes through the head rotation axis and extends in the thickness direction,
The cleaning head has its center of gravity in the first head area,
The head rotating member is rotatably connected to the cleaning head via the head rotating member connecting portion,
The cleaning tool handle is connected to the head rotating member,
The cleaning tool as described above.
9. The cleaning tool according to claim 8, wherein the cleaning tool further includes a rotation suppressing member for suppressing the free rotation of the cleaning head about the head rotation axis.
The cleaning tool according to claim 9, wherein the rotation suppressing member is grease arranged in the head rotating member connecting portion.
The cleaning tool according to any one of claims 8 to 10, wherein the head rotating member is arranged on a virtual surface of the head rotating member that is a single plane.
The cleaning tool according to claim 11, wherein the cleaning tool is configured to fix the cleaning head and the head rotating member so that a planar direction of the cleaning head and a virtual surface of the head rotating member coincide with each other. Ingredient
Use of a cleaning sheet for a cleaning tool comprising a cleaning head capable of holding the cleaning sheet,
The cleaning head has a plate-like shape having a plane direction and a thickness direction, a cleaning surface extending in a direction along the plane direction, and a head rotation shaft extending in a direction along the plane direction. And a head rotation member connecting portion that is provided with,
The cleaning head is divided into a first head region and a second head region by an imaginary surface that passes through the head rotation axis and extends in the thickness direction,
The cleaning head has its center of gravity in the first head area,
The use, characterized in that
A cleaning sheet for the cleaning head according to any one of claims 1 to 7 or the cleaning tool according to any one of claims 8 to 12,
The cleaning head is configured to be able to hold the cleaning sheet,
The cleaning sheet is configured to be held by the cleaning head,
The cleaning sheet.