Hair catcher

Abstract

To provide a hair catcher which is easily cleaned.SOLUTION: The hair catcher 1 is arranged on the 100A of a drain hole. The hair catcher 1 includes a hair catcher body 10, a shaft member 20, and regulating parts (a first uneven part 42 and a second uneven part 52). The hair catcher body 10 has a perforated plate 30. The perforated plate 30 is formed with a through-hole 31 penetrating in the vertical direction. The shaft member 20 is vertically movable through the through-hole 31 of the perforated plate 30. The regulating part regulates the rotation of the perforated plate 30 around the axis of the shaft member 20.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to a hair catcher. [Background technology]

[0002] Patent Document 1 discloses a conventional hair catcher. This hair catcher has a collecting part as a perforated plate. The collecting part has a through hole through which a shaft member passes. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2017-166131 Summary of the Invention [Problem to be solved by the invention]

[0004] In this type of hair catcher, the strainer is sometimes mounted so as to be rotatable relative to the axis of the shaft member. In this case, when cleaning the strainer, scrubbing it with a cleaning tool such as a toothbrush can cause the strainer to rotate around the axis of the shaft member, making the work difficult.

[0005] Therefore, an object of the present disclosure is to provide a hair catcher that is easy to clean. [Means for solving the problem]

[0006] The hair catcher of the present disclosure is a hair catcher that is placed in a drain hole and includes a hair catcher body having a strainer with a through hole formed therethrough from top to bottom, an axial member that can move freely in the vertical direction through the through hole, and a regulating part that regulates the rotation of the strainer around the axis of the axial member. [Brief explanation of the drawings]

[0007] [Figure 1]1 is a diagram showing a state in which the hair catcher according to the first embodiment is in use, with the shaft member in a first position. [Figure 2] FIG. 1 is a perspective view showing a hair catcher according to a first embodiment. [Figure 3] FIG. 1 is an exploded perspective view showing a hair catcher according to a first embodiment. [Figure 4] FIG. 2 is a side cross-sectional view showing the hair catcher body according to the first embodiment. [Figure 5] 1 is a diagram showing the hair catcher according to the first embodiment in use, with the shaft member in a second position. FIG. [Figure 6] FIG. 2 is a diagram showing the hair catcher according to the first embodiment in use, with a drain plug attached to the upper end of the shaft member. [Figure 7] 1 is a diagram for explaining the operation of the hair catcher according to the first embodiment, showing the state in which the shaft member is in the first position. [Figure 8] FIG. 4 is a diagram for explaining the operation of the hair catcher according to the first embodiment, showing the state in which the shaft member is in the second position. [Figure 9] 10 is a diagram for explaining the operation of the hair catcher according to the first embodiment, showing a state in which rotation is restricted by a restricting portion. FIG. [Figure 10] 10A and 10B are diagrams illustrating a shaft member according to another embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0008] First, embodiments of the present disclosure will be listed and described. Any combination of the following embodiments without causing any contradiction is also included in the embodiments for carrying out the invention.

[0009] A hair catcher according to the present disclosure is a hair catcher that is placed in a drain hole, [1] The hair catcher comprises a hair catcher body having a strainer with a through hole formed therethrough from top to bottom, an axial member that passes through the through hole and moves freely in the vertical direction, and a regulating part that regulates the rotation of the strainer around the axis of the axial member.

[0010] With this configuration, when cleaning the hair catcher, for example by scrubbing the strainer with a cleaning tool such as a brush, the restricting portion can restrict the strainer from rotating due to the force applied to the strainer by the cleaning tool. Therefore, the hair catcher can easily perform cleaning work without rotating the strainer around the axis of the shaft member.

[0011] [2] In the above [1], the shaft member has a drain plug detachably attached to its upper end, which moves in conjunction with the vertical movement of the shaft member to open and close the drain hole. With this configuration, the hair catcher can function like a conventional drain plug device by using it with the drain plug attached, such as by closing the drain hole. [3] In either of [1] and [2] above, the hair catcher body has a tubular portion extending downward from the underside of the strainer and into which the shaft member is inserted, and the restricting portion has a first uneven portion that forms a vertically uneven lower end surface at the lower end of the tubular portion, and a second uneven portion that protrudes radially outward from the outer circumferential surface of the shaft member and forms a vertically uneven upper end surface that vertically meshes with the first uneven portion. With this configuration, the hair catcher can easily achieve a configuration that can suppress rotation of the strainer relative to the shaft member. [4] In either of [1] and [2] above, the hair catcher body has a tubular portion extending downward from the underside of the strainer and into which the shaft member is inserted, and the restricting portion has a first rib that protrudes radially inward from the inner peripheral surface of the tubular portion and extends vertically, and a second rib that protrudes radially outward from the outer peripheral surface of the shaft member and extends vertically to radially engage with the first rib. With this configuration, the hair catcher can easily achieve a configuration that can suppress rotation of the strainer relative to the shaft member.

[0012] <Embodiment 1> As shown in FIG. 1, the hair catcher 1 according to the first embodiment is provided in a washbasin 100. The hair catcher 1 is placed in a drain hole 100A in the washbasin 100. In addition to the hair catcher 1, the washbasin 100 also includes a washbasin body 110, a drain pipe 120, a connecting fitting 130, an overflow pipe 140, and an elevating mechanism 150. The hair catcher 1 collects foreign matter, particularly fibrous foreign matter such as hair, in the drainage water flowing into the drain hole 100A. The hair catcher 1 is detachably attached to the drain hole 100A.

[0013] The washbasin body 110 is made of ceramic. A hole 110A, which constitutes the drain hole 100A, is formed vertically through the bottom of the washbasin body 110. The inner circumferential surface of the hole 110A is inclined, with the diameter decreasing as it extends downward. At the lower end of the hole 110A, a step 110B is formed, with the diameter decreasing radially inward from the inclined surface.

[0014] The drain pipe 120 is connected below the step 110B in the washbasin body 110. The drain pipe 120 is watertightly connected to the opening edge of the lower end of the hole 110A by a connecting fitting 130. The connecting fitting 130 is cylindrical and fitted into the inner periphery of the hole 110A. The upper end of the connecting fitting 130 is hooked onto the upper edge of the step 110B, and the lower end is threadedly engaged with the inner periphery of the upper end of the drain pipe 120. The inner periphery of the upper end of the connecting fitting 130 is inclined, increasing in diameter as it extends upward, and is continuous with the inclination of the inner periphery of the hole 110A.

[0015] The overflow pipe 140 is connected to the lower part of the drain pipe 120. The overflow pipe 140 forms a flow path that circulates overflow water from an overflow port (not shown) formed in the washbasin body 110 to the drain pipe 120. The lifting mechanism 150 is located slightly below the connection point of the drain pipe 120 with the overflow pipe 140. The lifting mechanism 150 raises and lowers the shaft member 20 (described later) of the hair catcher 1 by operating a lifting operation unit (not shown) located on the upper periphery of the washbasin body 110. Specifically, the lifting mechanism 150 has a support protrusion 151. The support protrusion 151 protrudes into the drain pipe 120, and a ring-shaped portion 60 (described later) of the shaft member 20 is placed on the support protrusion 151. The support protrusion 151 moves up and down by operating the lifting operation unit (not shown). The shaft member 20 moves up and down in accordance with the up and down movement of the support protrusion 151.

[0016] As shown in FIGS. 1 to 3, the hair catcher 1 comprises a hair catcher main body 10 and a shaft member 20. When the hair catcher 1 is placed in the drain hole 100A, the outer peripheral edge of the strainer 30 (described later) of the hair catcher main body 10 rests on the upper end of the connecting fitting 130. This fixes the hair catcher main body 10 in the drain hole 100A. The shaft member 20 rests on the support protrusion 151 at the annular portion 60 (described later). This allows the shaft member 20 to be moved freely in the vertical direction in the drain hole 100A. In other words, when the hair catcher 1 is placed in the drain hole 100A, the shaft member 20 can be moved vertically relative to the hair catcher main body 10.

[0017] As shown in Figures 2 to 4, the hair catcher body 10 has a strainer 30 and a tubular portion 40. The strainer 30 is formed by sheet metal processing a thin metal plate. The strainer 30 is disk-shaped. As shown in Figure 4, the strainer 30 is gently curved upward from the center toward the radially outward direction. As a result, the upper surface 30A of the strainer 30 forms a gently continuous curved surface without any steps from the center to the outer edge of the strainer 30. The upper surface 30A of the strainer 30 is a collecting surface that collects foreign matter. The lower surface 30B of the strainer 30 forms a curved surface that is approximately parallel to the upper surface 30A.

[0018] As shown in Figures 2 to 4, the perforated plate 30 has a shallow dish-like shape in which the vertical dimension is sufficiently small relative to the radial dimension. Specifically, the diameter of the perforated plate 30 is approximately 60 mm. The dimension (height) from the top to the bottom of the perforated plate 30 is approximately 6 mm. The vertical dimension of the perforated plate 30 is smaller than the vertical movement distance of the shaft member 20. In the perforated plate 30, the average inclination angle of the upper surface 30A with respect to the horizontal plane is 12° or less. In the perforated plate 30, the maximum inclination angle of the upper surface 30A with respect to the horizontal plane is 30° or less. The minimum radius of curvature of the curved surface formed by the upper surface 30A of the perforated plate 30 is 17 mm or more. In other words, the upper surface 30A of the perforated plate 30 forms a continuous curved surface from the center to the outer edge, with an average inclination angle with respect to the horizontal plane of 12° or less, a maximum inclination angle of 30° or less, and a minimum radius of curvature of 17 mm or more. In this embodiment, the perforated plate 30 is formed by processing a thin stainless steel plate having a thickness of 0.5 mm. The thickness of the perforated plate 30 is approximately uniform throughout from the center to the outer edge in the radial direction.

[0019] As shown in Figures 2 to 4, the strainer 30 has a through hole 31 and water passage holes 32. The through hole 31 and the water passage holes 32 are each formed by penetrating the strainer 30 in the plate thickness direction. The through hole 31 is formed at the radial center of the strainer 30. The shaft member 20 passes through the through hole 31. A plurality of water passage holes 32 are formed radially from the through hole 31 as the center. Each water passage hole 32 is formed in the shape of an elongated hole with the radial direction of the strainer 30 as the longitudinal direction.

[0020] As shown in Figures 2 to 4, the hair catcher body 10 has a tubular portion 40. The tubular portion 40 is a molded resin product. The tubular portion 40 is cylindrical. A shaft portion 50 (described later) of the shaft member 20 is inserted into the tubular portion 40. The tubular portion 40 extends downward from the lower surface 30B of the strainer 30. The tubular portion 40 is concentric with the through hole 31 and connected to the lower surface 30B of the strainer 30 by adhesive or the like. A rib 41 is formed on the inner peripheral surface of the tubular portion 40. The rib 41 corresponds to the first rib according to the present disclosure. The rib 41 protrudes radially inward from the inner peripheral surface of the tubular portion 40. A plurality of ribs 41 are formed circumferentially on the inner peripheral surface. These multiple ribs 41 reduce the contact area between the outer peripheral surface of the shaft portion 50 and the tubular portion 40, thereby improving the sliding properties of the shaft portion 50 relative to the tubular portion 40.

[0021] The tubular portion 40 is provided with a first uneven portion 42. The first uneven portion 42, together with a second uneven portion 52 (described later) of the shaft portion 50, functions as a restricting portion according to the present disclosure. The first uneven portion 42 is formed by making the lower end surface of the tubular portion 40 uneven in the vertical direction along the circumferential direction. The first uneven portion 42 has a corrugated uneven shape along the circumferential direction. The corrugated shape of the first uneven portion 42 is sinusoidal. The first uneven portion 42 can be meshed with the second uneven portion 52 in the vertical direction. When the first uneven portion 42 and the second uneven portion 52 are meshed, rotation of the hair catcher body 10 around the axis of the shaft member 20 is restricted. When the first uneven portion 42 and the second uneven portion 52 are not meshed, the hair catcher body 10 is freely rotatable around the axis of the shaft member 20.

[0022] The shaft member 20 is movable up and down through the through-hole 31 of the perforated plate 30. The vertical movement of the shaft member 20 is controlled by a lifting mechanism 150. The shaft member 20 is movable up and down by the lifting mechanism 150 between a first position (see FIG. 1) which is the upper end position, and a second position (see FIG. 5) which is the lower end position.

[0023] As shown in Figures 2 and 3, the shaft member 20 has a shaft portion 50 and an annular portion 60. The shaft portion 50 is cylindrical and extends in the vertical direction. The shaft portion 50 is inserted from below into the tubular portion 40 of the hair catcher body 10 and the through-hole 31 of the strainer plate 30. The shaft portion 50 is provided with a connecting portion 51 and a second uneven portion 52. The connecting portion 51 is provided at the upper end of the shaft portion 50. The second uneven portion 52 is provided at the lower end of the shaft portion 50.

[0024] The connecting portion 51 is the portion of the shaft portion 50 to which the drain plug 70, which will be described later, is connected. The connecting portion 51 is cylindrical and has an outer diameter that is smaller than that of other portions of the shaft portion 50. In other words, the upper end of the shaft portion 50 is formed in a stepped shape with a smaller diameter at the connecting portion 51 at the upper end. The upper end surface of the connecting portion 51 is the upper end surface 20A of the shaft member 20. The upper end surface 20A is a flat surface without any depressions or the like that could collect drainage water.

[0025] As shown in FIG. 1, when the shaft member 20 is in the first position, the upper end surface 20A is positioned at a position that is approximately flush with or below the upper surface 30A of the strainer 30 at the upper periphery of the through hole 31. In the present embodiment, when the shaft member 20 is in the first position, the upper end surface 20A is approximately flush with the upper surface 30A of the strainer 30 at the upper periphery of the through hole 31 (see FIG. 7). As shown in FIG. 5, when the shaft member 20 is in the second position, the upper end surface 20A is positioned above the upper surface 30A of the strainer 30 at the upper periphery of the through hole 31, i.e., above the first position.

[0026] As shown in FIG. 6, a drain plug 70 is detachably attached to the connection part 51. When attached to the connection part 51, the drain plug 70 moves in accordance with the vertical movement of the shaft member 20 to open and close the drain hole 100A. As shown in FIG. 6, the drain plug 70 closes the drain hole 100A when the shaft member 20 is in the first position. This prevents the washbasin 100 from discharging wastewater through the drain hole 100A. When the shaft member 20 is in the second position, the drain plug 70 opens the drain hole 100A. This allows the washbasin 100 to discharge wastewater through the drain hole 100A.

[0027] The second uneven portion 52 meshes with the first uneven portion 42 of the tubular portion 40 in the vertical direction. The second uneven portion 52 protrudes radially outward from the outer peripheral surface of the shaft portion 50. In other words, the second uneven portion 52 is formed with a larger diameter than the outer diameter of the portion of the shaft portion 50 above the second uneven portion 52. The second uneven portion 52 forms an upper end surface that is uneven in the vertical direction. The second uneven portion 52 meshes with the lower end surface of the first uneven portion 42.

[0028] The first uneven portion 42 and the second uneven portion 52 mesh with each other when the hair catcher 1 is removed from the drainage hole 100A. The second uneven portion 52 is provided at the lower end of the shaft portion 50. The second uneven portion 52 meshes with the first uneven portion 42 when the shaft member 20 moves further upward relative to the hair catcher body 10 beyond the second position. The first uneven portion 42 and the second uneven portion 52 do not mesh with each other when the shaft member 20 is within the range of movement between the first and second positions. Therefore, when the hair catcher 1 is disposed within the drainage hole 100A and the shaft member 20 is raised and lowered by the lifting mechanism 150, the first uneven portion 42 and the second uneven portion 52 do not mesh with each other.

[0029] The annular portion 60 is provided at the lower end of the shaft member 20. The annular portion 60 has a circular ring shape in plan view, with a diameter larger than the outer diameter of the shaft member 50. The outer diameter of the annular portion 60 is slightly smaller than the inner diameter of the drain hole 100A. A space is formed between the inner peripheral surface of the annular portion 60 and the outer peripheral surface of the shaft member 50, through which drainage water flowing through the drain pipe 120 can pass. The annular portion 60 is connected to the lower end of the shaft member 50 concentrically with the shaft member 50 via multiple spokes 61. When the hair catcher 1 is placed in the drain hole 100A, the annular portion 60 is placed on the support protrusion 151 of the lifting mechanism 150. With the annular portion 60 placed on the support protrusion 151, the shaft member 20 moves up and down in accordance with the up and down movement of the support protrusion 151. When the support protrusion 151 is in the lowest position (see FIG. 1), the shaft member 20 is placed in the first position, which is the lowest position. When the support protrusion 151 is at the upper limit position (see FIG. 5), the shaft member 20 is disposed at the second position, which is the upper limit position.

[0030] 1, when the shaft member 20 is in the first position, the annular portion 60 is positioned below the lower end of the connection portion of the drain pipe 120 with the overflow pipe 140. This allows the hair catcher 1 to perform the function of catching and collecting fibrous foreign matter in the drainage water that flows from the overflow pipe 140 into the drain pipe 120 by the annular portion 60 and the spokes 61.

[0031] The operation of the hair catcher 1 configured as described above will now be described. As shown in Figure 1, the hair catcher 1 is used by positioning the shaft member 20 in the first position while it is placed in the drain hole 100A. This first position is a position where the upper end surface 20A of the shaft member 20 is positioned approximately flush with or below the upper surface 30A of the strainer 30 at the upper periphery of the through-hole 31. The hair catcher 1 is positioned with a neat appearance, with nothing protruding from the upper surface 30A of the strainer 30 (see Figures 1, 2, and 7).

[0032] The hair catcher 1 allows wastewater that has flowed into the drain hole 100A to pass through the water passage holes 32 in the strainer 30 and flow downstream. The hair catcher 1 collects foreign matter contained in the wastewater that has flowed into the drain hole 100A in the strainer 30. The symbol F shown in Figures 7 and 8 schematically represents fibrous foreign matter collected in the strainer 30. As shown in Figure 7, the hair catcher 1 can accumulate the collected fibrous foreign matter F in a flat state along the upper surface 30A of the strainer 30, which is formed as a gently curved surface without protrusions or steep slopes, and the upper end surface 20A of the shaft member 20.

[0033] For example, in a conventional hair catcher in which the shaft member is positioned to protrude upward from the top surface of the strainer, fibrous foreign matter captured by the strainer can become difficult to remove because it becomes entangled around the shaft member. In the hair catcher 1 of this embodiment, the top end surface 20A of the shaft member 20 is positioned at a position that is approximately flush with the top surface 30A of the strainer 30 at the upper periphery of the through-hole 31, allowing foreign matter F to accumulate in a flat state on the top surface 30A of the strainer 30, making it easy to remove.

[0034] In the hair catcher 1, when removing foreign matter trapped on the strainer 30, the shaft member 20 can be raised to the second position. The second position is a position where the upper end surface 20A of the shaft member 20 is positioned above the position where it is approximately flush with the upper surface 30A of the strainer 30 at the upper periphery of the through-hole 31, i.e., a position higher than the first position. Fibrous foreign matter can become entangled and stick to the surface of the strainer, making it difficult to remove. When the shaft member 20 of the hair catcher 1 is moved from the first position to the second position, the upper end surface 20A of the shaft member 20 moves above the upper surface 30A of the strainer 30. As a result, as shown in FIG. 8, foreign matter F on the strainer 30 is lifted by the upper end surface 20A of the shaft member 20 and partially lifted off the upper surface 30A of the strainer 30, making removal even easier.

[0035] In the hair catcher 1, the vertical size of the strainer 30 is smaller than the movement range of the shaft member 20. When the shaft member 20 is in the second position, the upper end of the shaft member 20 protrudes above the upper end of the strainer 30. Therefore, foreign matter lifted by the upper end surface 20A of the shaft member 20 is lifted above the upper end of the strainer 30, making it particularly easy to remove.

[0036] When cleaning the strainer 30 of the hair catcher 1, the hair catcher 1 is removed from the drain hole 100A. In this case, the shaft member 20 is raised from the first position to the second position. When in the second position, the upper end surface 20A of the shaft member 20 is positioned higher than in the first position. That is, when the shaft member 20 is in the second position, its upper end protrudes upward from the upper surface 30A of the strainer 30. By pinching the upper end of the shaft member 20 protruding from the upper surface 30A of the strainer 30 with the fingers, the entire hair catcher 1 can be easily removed from the drain hole 100A. For example, if the strainer 30 is grasped and removed, the shaft member 20, which is separate from the strainer 30, remains in the drain hole 100A and must be removed separately. In contrast, when the shaft member 20 is pinched and removed by its upper end, the entire hair catcher body 10 including the strainer 30 can be removed together with the shaft member 20, and the entire hair catcher 1 can be removed at once.

[0037] After removing the hair catcher 1 from the drain hole 100A, it is recommended to hold the upper end of the shaft member 20 and clean it using a cleaning tool such as a toothbrush. When the upper end of the shaft member 20 is held, the hair catcher body 10 moves downward relative to the shaft member 20. As a result, as shown in FIG. 9 , the first uneven portion 42 at the lower end of the tubular portion 40 and the second uneven portion 52 at the lower end of the shaft member 50 engage with each other. In this state, while holding any part of the shaft member 20, such as the upper end of the shaft member 20, the strainer 30 is scrubbed and cleaned with a cleaning tool. The engagement between the first uneven portion 42 and the second uneven portion 52 restricts the relative rotation of the strainer 30 with respect to the shaft member 20, facilitating cleaning. The first uneven portion 42 and the second uneven portion 52 form sinusoidal corrugated irregularities along the circumferential direction. Therefore, when the first uneven portion 42 and the second uneven portion 52 are engaged with each other, rattles in the circumferential direction between the hair catcher body 10 and the shaft member 20 can be effectively suppressed.

[0038] The water passage holes 32 formed in the strainer 30 are formed as elongated holes with the longitudinal direction being the radial direction of the strainer 30. Therefore, when cleaning the strainer 30 of the hair catcher 1, it is easy to scrub the strainer 30 by moving a cleaning tool such as a toothbrush along the radial direction of the strainer 30.

[0039] When using the washbasin 100 with water, a drain plug 70 is attached to the hair catcher 1. The drain plug 70 is detachably attached to the connecting portion 51 at the upper end of the shaft portion 50. The drain plug 70 moves up and down in conjunction with the vertical movement of the shaft member 20, and can open and close the drain hole 100A. The state shown in Figure 6 shows the state in which the shaft member 20 is in the first position. In this state, the drain plug 70 attached to the connecting portion 51 closes the drain hole 100A.

[0040] As described above, the hair catcher 1 of embodiment 1 is placed in the drain hole 100A. The hair catcher 1 comprises the hair catcher main body 10, the shaft member 20, and the first uneven portion 42 and the second uneven portion 52 as restricting portions. The hair catcher main body 10 has a strainer 30. The strainer 30 has a through-hole 31 formed therethrough in the vertical direction. The shaft member 20 passes through the through-hole 31 of the strainer 30 and is movable vertically. The first uneven portion 42 and the second uneven portion 52 restrict the strainer 30 from rotating around the axis of the shaft member 20.

[0041] The hair catcher 1 can restrict the rotation of the strainer 30 around the axis of the shaft member 20 by the first uneven portion 42 and the second uneven portion 52 serving as restricting portions. This makes cleaning the hair catcher 1 easy.

[0042] In hair catcher 1, drain plug 70 can be attached and detached to the upper end of shaft member 20. Drain plug 70 moves in conjunction with the up and down movement of shaft member 20 to open and close drain hole 100A. Therefore, by attaching drain plug 70 and using hair catcher 1, it can function like a conventional drain plug device, for example by closing drain hole 100A.

[0043] In the hair catcher 1, the hair catcher body 10 has a tubular portion 40. The tubular portion 40 extends downward from the lower surface 30B of the strainer 30, and the shaft member 20 is inserted into the tubular portion 40. The first uneven portion 42 and the second uneven portion 52 serving as restricting portions are configured as follows. That is, the first uneven portion 42 forms a lower end surface that is uneven in the vertical direction at the lower end of the tubular portion 40. The second uneven portion 52 protrudes radially outward from the outer peripheral surface of the shaft portion 50, which is the outer peripheral surface of the shaft member 20, and forms an upper end surface that is uneven in the vertical direction, thereby vertically engaging with the first uneven portion 42. Therefore, the hair catcher 1 can easily achieve a configuration that can suppress rotation of the strainer 30 relative to the shaft member 20.

[0044] In the hair catcher 1, the first uneven portion 42 and the second uneven portion 52 have a wavy uneven shape along the circumferential direction. Therefore, when the first uneven portion 42 and the second uneven portion 52 are engaged with each other, they can effectively suppress rattling in the circumferential direction between the hair catcher body 10 and the shaft member 20.

[0045] <Other embodiments> The present disclosure is not limited to the embodiments described above and illustrated in the drawings, and the following embodiments, for example, are also included within the technical scope of the present disclosure.

[0046] The hair catcher according to the present disclosure may be placed in a drain hole other than a drain hole in a washbasin, such as a drain hole in a bathroom floor or a drain hole in a kitchen sink.

[0047] The configuration of the hair catcher body according to the present disclosure is not limited to the above-described embodiment. The hair catcher body may be configured to have only a strainer without a tubular portion. When the hair catcher body has a tubular portion, the hair catcher body may be formed by integrally forming the strainer and the tubular portion by sheet metal processing using a plate material such as stainless steel, or by integrally molding them by resin injection molding.

[0048] The shape, size, material, and shape of the water passage holes of the strainer according to the present disclosure are not limited to those described in the above embodiments. The strainer may be made of a material other than metal, such as resin. The strainer may be surface-treated, such as with a ceramic coating. The water passage holes may have shapes other than elongated holes, such as round holes.

[0049] The shape, size, material, etc. of the shaft member according to the present disclosure are not limited to those in the above-described embodiment. The shaft member may be configured to have only a shaft portion without having an annular portion, spokes, etc.

[0050] The height of the upper end surface of the shaft member when the shaft member is in the first position is not particularly limited, as long as it is at a position that is approximately flush with or below the upper surface of the strainer at the upper periphery of the through hole. Note that "approximately flush with the upper surface of the strainer" in the present disclosure means a height that allows fibrous foreign matter accumulated on the strainer to rest comfortably on the upper end surface of the shaft member. Therefore, the upper end surface of the shaft member in the first position may also be slightly higher than the upper surface of the strainer at the upper periphery of the through hole. The upper end surface of the shaft member in the second position may be higher than the position of the upper end surface of the shaft member in the first position.

[0051] The shape of the restricting portion according to the present disclosure is not limited to the configuration having the first concave-convex portion and the second concave-convex portion exemplified in the above embodiment. When the restricting portion is configured with the first concave-convex portion and the second concave-convex portion, the shape of these is not limited to the sinusoidal concave-convex shape exemplified in the above embodiment, such as a sawtooth shape or a pulse wave shape.

[0052] The restricting portion according to the present disclosure may be configured to have, for example, a rib 252 shown in FIG. 10 . This rib 252 corresponds to the second rib according to the present disclosure. The rib 252 is provided on a shaft portion 250 of the shaft member 220. The shaft portion 250 has the same configuration as the shaft portion 50 according to the first embodiment, except that the shaft portion 250 has the rib 252 instead of the second uneven portion 52 according to the first embodiment. The rib 252 is formed on the outer peripheral surface of the shaft portion 250, protruding radially outward and extending in the up-down direction. The rib 252 is engaged radially with the rib 41 formed on the inner peripheral surface of the tubular portion 40. That is, the rib 252 shown in FIG. 10 constitutes a restricting portion together with the rib 41 formed on the tubular portion 40. In this restricting portion, the rib 41 of the tubular portion 40 corresponds to the first rib according to the present disclosure. The rib 252 on the shaft member 220 side and the rib 41 on the hair catcher body 10 side are engaged with each other by moving the shaft portion 250 upward relative to the tube portion 40. [Explanation of symbols]

[0053] 1...hair catcher, 10...hair catcher body, 20...shaft member, 30...sieve, 30B...underside of the strainer, 31...through hole, 40...tubular portion, 41...rib (first rib), 42...first uneven portion, 50...shaft portion, 52...second uneven portion, 70...drain plug, 100A...drain hole, 220...shaft member, 250...shaft portion, 252...rib (second rib)

Claims

1. A hair catcher disposed in the drain hole, a hair catcher body having a perforated plate with through holes formed therein that extend vertically; a shaft member that passes through the through hole and is movable in the up and down direction; a restricting portion that restricts the rotation of the perforated plate around the axis of the shaft member; Equipped with a hair catcher.

2. 2. The hair catcher according to claim 1, wherein the shaft member has a drain plug detachably attached to an upper end thereof, the drain plug moving in conjunction with vertical movement of the shaft member to open and close the drain hole.

3. The hair catcher body has a tubular portion extending downward from the underside of the strainer and into which the shaft member is inserted, 3. A hair catcher as described in claim 1, wherein the regulating portion has a first uneven portion that forms a lower end surface that is uneven in the vertical direction at the lower end of the tubular portion, and a second uneven portion that protrudes radially outward on the outer peripheral surface of the shaft member, forms an upper end surface that is uneven in the vertical direction, and engages with the first uneven portion in the vertical direction.

4. The hair catcher body has a tubular portion extending downward from the underside of the strainer and into which the shaft member is inserted, 3. A hair catcher as described in claim 1, wherein the regulating portion has a first rib that protrudes radially inward from the inner surface of the tubular portion and extends in the vertical direction, and a second rib that protrudes radially outward from the outer surface of the shaft member and extends in the vertical direction, radially engaging with the first rib.

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