JP2017008566A - Hair catcher - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hair catcher that can effectively suppress adhesion of foreign matter to a collecting part while more reliably preventing degradation of drain capacity, eventually achieves better cleaning properties.SOLUTION: A hair catcher 5 includes a collecting part 54. An upper surface of the collecting part 54 includes a stair part 55 alternately formed of multiple steps 57 and a surface part 56 disposed between respective steps 57. The stair part 55 is configured so that drainage water may flow from a high side toward a low side among two surface parts 56 adjacent to each other across the steps 57. In the part where the stair part 55 exists in the collecting part 54, multiple water passage holes 59 are penetrated and formed. By these configurations, foreign matter can be collected in a mass in the lower part of the stair part 55. Also, in the position where the steps 57 are present, the foreign matter such as hairs becomes like a floating state. Furthermore, even if a hole part 59 positioned in the lower part of the stair part 55 is closed to some extent, the drainage water can be washed away through the hole part 59 positioned in the upstream side of the stair part 55.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a hair catcher that is provided in a drainage channel such as a basin or a bathtub and collects hair, dust, and the like.

  2. Description of the Related Art Conventionally, there has been known a technique of providing a hair catcher in a flow path of drainage that flows down from a tank body (for example, a basin, a bathtub, a sink, etc.) and collecting foreign matters such as dust and hair contained in the drainage. As the hair catcher, for example, a cylindrical shaft tube portion, an annular peripheral ring portion provided coaxially with the shaft tube portion, and between the axial tube portion and the peripheral ring portion, and collects foreign matter. Have been proposed (for example, see Patent Document 1).

  Moreover, as a collection part, as described in the said patent document, the dish-shaped thing is known widely. However, when such a collecting unit is used, the collected foreign matter is present in a relatively wide range, and tends to cling to the collecting unit. Therefore, removing the foreign matter from the collecting part is a troublesome and time-consuming work, and there is a risk of degrading the cleaning property. Moreover, there exists a possibility that drainage capability may fall by presence of the collected foreign material.

  Therefore, in order to improve the cleaning property and the like, a technique has been proposed in which a collection portion is provided in a spiral shape with a shaft (shaft tube portion) as a center (see, for example, Patent Document 2). According to this technique, since a part of the drainage flows spirally in the collection part, foreign substances are collected together in the lower part of the collection part. As a result, the collected foreign matter can be easily removed, and it is possible to make it difficult for the drainage capacity to decrease due to the presence of the collected foreign matter.

JP 2010-37920 A JP 2005-83118 A

  However, even when the above technique is used, there is a situation in which an elongated foreign object such as hair is in close contact with the collecting unit in a state of extending along the flow direction of drainage in the collecting unit. Can occur. When such a situation occurs, it is not easy to remove foreign matter such as hair that is in close contact with the collecting portion.

  The present invention has been made in view of the above circumstances, and its purpose is to more effectively prevent the foreign matter from adhering to the collecting portion while more reliably preventing the drainage capacity from being lowered. It is providing the hair catcher which can implement | achieve better cleaning property.

  In the following, each means suitable for solving the above-described object will be described in terms of items. In addition, the effect specific to the means to respond | corresponds as needed is added.

Means 1. A hair catcher provided with a collecting part arranged in a drainage channel,
The upper surface of the collection portion includes a plurality of step portions and step portions formed by alternately forming surface portions arranged between the step portions,
The staircase portion is configured such that drainage flows from a higher side to a lower side of the two surface portions adjacent to each other with the stepped portion interposed therebetween. A hair catcher characterized in that a large number of holes for water passage are formed therethrough.

  In addition, if it does not even have a configuration in which the drainage is intentionally collected in the surface portion, the drainage flowing from above will cause the drainage to flow from the higher side to the lower side of the two adjacent surface portions across the stepped portion. Will flow. " In addition, in order to allow drainage to flow more reliably from the higher side to the lower side of the two adjacent surface portions across the step portion, for example, an inclined surface that is inclined downward toward the lower surface portion of the surface portion. It is good also as a shape.

  According to the said means 1, the upper surface of the collection part is provided with the step part by which a several step part and the surface part arrange | positioned between each step part are formed alternately. Furthermore, the staircase portion is configured such that drainage flows from the higher side to the lower side of the two adjacent surface portions across the stepped portion. Therefore, a part of the drainage flows along the staircase portion and flows to the lower side (downstream side) of the staircase portion, and foreign substances can be collected together at the lower portion of the staircase portion. Thereby, removal of a foreign material becomes easy and cleaning property can be improved.

  In addition, even if a slender foreign object such as hair rides on the staircase in a state extending along the direction of drainage, the foreign object such as hair seems to float at the position where the step is present. It becomes a state. Therefore, it is possible to effectively prevent foreign matters such as hair from coming into close contact with the collecting portion (step portion), and foreign matters can be easily removed. As a result, better cleaning properties can be realized.

  In addition, according to the above-mentioned means 1, even if the holes located on the lower side (downstream side) of the staircase portion are somewhat blocked due to the collection of foreign matters in the lower portion of the staircase portion, Drainage can flow through the hole located on the upstream side. Accordingly, it is possible to more reliably prevent the drainage capacity from being lowered.

Mean 2. The collection part has an annular shape surrounding its central axis,
The hair catcher according to means 1, wherein the staircase portion is provided around the central axis and has a spiral staircase shape.

  According to the said means 2, the width | variety of a staircase part can be made comparatively small and waste_water | drain can be poured more vigorously in a staircase part. Accordingly, the foreign matter can be more reliably pushed down to the lower side (downstream side) of the staircase portion, and the foreign matter can be collected more efficiently at the lower portion of the staircase portion. As a result, the cleanability and drainage capacity can be further improved.

  Furthermore, according to the said means 2, the length of the step part along the flow direction of waste_water | drain can be ensured more largely. Therefore, it is possible to provide more step portions from the uppermost surface portion (uppermost surface portion) to the lowermost surface portion (lowermost surface portion). As a result, it is possible to more reliably prevent foreign matter from adhering to the collecting portion.

  Moreover, the design freedom in a staircase part can be improved by ensuring the length of a staircase part large. For example, the gradient in the staircase portion, the depth (height) of the staircase portion, the length and depth of the pocket portion described later, and the like can be set to appropriate values more easily. Here, for example, if the slope at the staircase is set to an appropriate value, the ease of removing foreign matter from the staircase can be improved while maintaining the momentum of drainage at the staircase sufficiently, and the cleaning performance is further improved. Can be increased. In addition, for example, if the length or depth of the pocket portion is set to an appropriate value, it is possible to more easily remove foreign matter accumulated in the pocket portion while more reliably depositing foreign matter on the pocket portion, Cleanability can be further enhanced.

  In addition, according to the above means 2, the length of the staircase portion is ensured to be large, so that foreign matter collected at the lower portion of the staircase portion does not easily protrude to the upper side (upstream side) of the staircase portion. Therefore, the user can grasp (at a glance) the collection site of the foreign matter in the staircase portion more easily. As a result, the hair catcher can be more easily cleaned.

  Means 3. The upper surface of the said collection part is equipped with the continuous surface which continues from the lowermost surface part located in the lowest part among the said surface parts to the uppermost surface part located in the uppermost part among the said surface parts, The means 2 characterized by the above-mentioned. Hair catcher.

  According to the means 3, a continuous surface is provided which extends from the lowermost surface portion (spiral end portion) where foreign substances are most likely to be deposited to the uppermost surface portion (starting end portion of the spiral). Therefore, the foreign matter deposited on the collecting portion can be removed very easily by wiping the collecting portion from the lowermost surface portion through the continuous surface to the uppermost surface portion side. Thereby, the cleaning property can be further improved.

  Furthermore, according to the means 3, the lowermost portion of the staircase portion has a hollow shape having a lowermost surface portion, a stepped portion, and a continuous surface, so that foreign matters can be more reliably collected at the hollow shape portion. it can. As a result, the cleanability can be further improved.

  Means 4. 4. The hair catcher according to claim 3, wherein the continuous surface has a smooth surface shape in which the hole is not formed.

  According to the above means 4, since the continuous surface is a smooth surface without a hole, foreign matter is continuously generated when the collecting portion is wiped from the lowermost surface through the continuous surface to the uppermost surface. It is difficult to cause a situation where the surface is caught (enters the hole). Therefore, much better cleaning properties can be obtained.

  Means 5. The hair catcher according to means 3 or 4, wherein the uppermost surface portion has a smooth surface shape in which the hole portion is not formed.

  According to the means 5, most of the drainage that has flowed down to the uppermost surface portion can flow to the lower surface portion adjacent to the uppermost surface portion with the step portion interposed therebetween. Accordingly, the drainage can flow more vigorously in the staircase portion, and foreign matters can be pushed more reliably to the lower side (downstream side) of the staircase portion. As a result, the cleanability and drainage capacity can be further enhanced.

  Means 6. The hair catcher according to any one of means 3 to 5, wherein the uppermost surface portion includes a protrusion that guides drainage toward the surface portion adjacent to the uppermost surface portion with the stepped portion interposed therebetween. .

  According to the means 6, the drainage that has flowed down to the uppermost surface portion can be more efficiently flowed to the lower surface portion adjacent to the uppermost surface portion with the step portion interposed therebetween. Accordingly, the drainage can be more vigorously flowed in the staircase portion, and as a result, the cleaning performance and drainage capacity can be further enhanced.

  Mean 7 When viewed from above, the step portion extends outward from the central axis side of the collecting portion, and has a shape that gradually curves toward the downstream side in the drainage flow direction of the step portion. The hair catcher according to any one of means 2 to 6.

  According to the means 7, when the drainage flows from the surface portion to the surface portion located one step below the surface portion through the portion located on the outer peripheral side of the step portion, it is collected in the vector of the drainage flow direction. A vector component directed toward the central axis of the part can be generated. Therefore, when drainage flows down the staircase, the drainage can smoothly flow spirally. Thereby, a foreign material can be flowed more reliably to the lower part side (downstream side) of a staircase part, and cleaning property and drainage capacity can be further improved as a result.

  Means 8. The water flow area of the hole located downstream in the flow direction of drainage in the staircase is basically made larger than the water flow area of the hole located upstream in the flow direction. A hair catcher according to any one of means 1 to 7, wherein

  Note that “basically” is not only the case where the water flow area of all the holes located on the downstream side is larger than the water flow area of each hole located on the upstream side, but also on the downstream side. This includes the case where the water flow area of most of the holes located in the area is larger than the water flow area of each hole located on the upstream side.

  According to the means 8, basically, the water passage area of the hole located on the downstream side is made larger than the water passage area of the hole located on the upstream side. Therefore, even when foreign matter is collected to some extent at the lower part of the staircase, drainage can easily flow through the downstream hole, and the drainage capacity can be further enhanced.

  On the other hand, according to the above means 8, the water flow area of the hole located on the upstream side is made relatively small, so it becomes difficult for the drainage to pass through the hole on the upstream side, and consequently from the upstream side of the staircase part to the downstream side. Drainage can flow more vigorously to the side. As a result, foreign substances can be more reliably pushed down to the lower side (downstream side) of the staircase, and as a result, more excellent cleaning properties and drainage ability can be obtained.

  Means 9. The hair catcher according to any one of means 1 to 8, wherein the staircase portion is provided with a pocket portion surrounded at all sides by a wall portion formed of the step portion at a lowermost portion thereof.

  According to the said means 9, a foreign material can be collected more reliably in a pocket part, and cleaning property can be improved further.

  Means 10. The means according to any one of means 1 to 9, wherein the step portion has an inclined surface shape or a curved surface shape that gradually decreases from a higher side to a lower side of the two surface portions adjacent to the step portion. Hair catcher.

  According to the above means 10, when cleaning the staircase portion, it becomes easy to wipe off the dirt adhering to the boundary portion between the step portion and the lower surface portion adjacent to the step portion. Therefore, the cleaning property can be further improved.

It is sectional drawing which shows the structure of a drain plug device. It is a perspective view of a hair catcher. It is a top view of a hair catcher. It is the JJ sectional view taken on the line of FIG. It is a rear view of a hair catcher. It is a side view of a hair catcher. It is a top view of the hair catcher which shows the structure of the step part in another embodiment. It is the KK sectional view taken on the line of FIG. It is a plane schematic diagram of the hair catcher which shows the structure of the step part in another embodiment.

  Hereinafter, an embodiment will be described with reference to the drawings. As shown in FIG. 1, the drain plug device 1 is attached to a basin 100 as a tank body, and includes a drain pipe 2, a plug lid side mechanism portion 3, a drain port device 4, and a hair catcher 5. I have. The washbasin 100 includes a bottom wall portion 101 that constitutes the bottom surface thereof, and a drain outlet 102 is formed in the bottom wall portion 101. Moreover, the washbasin 100 is provided with an overflow port (not shown) for preventing overflow of water.

  The drain pipe 2 includes a main pipe 21, a branch pipe 22, and a mounting pipe 23.

  The main pipe 21 has a cylindrical shape extending along the vertical direction, and is attached to the back surface of the bottom wall portion 101 so that its internal space communicates with the drain port 102 by, for example, screwing or the like. The water in the basin 100 is discharged through the inside of the main pipe 21. An annular seal member 6 made of an elastically deformable material is disposed between the upper end portion of the main pipe 21 and the bottom wall portion 101, and the gap between the drain pipe 2 and the bottom wall portion 101 is determined by the seal member 6. Is hermetically sealed.

  The branch pipe 22 extends from the outer periphery of the main pipe 21 along a direction intersecting with the direction in which the main pipe 21 extends. Further, the branch pipe 22 has an internal space communicating with the internal space of the main pipe 21 and is connected to the overflow port via a predetermined connecting pipe 7. Thereby, the waste water that has passed through the overflow port flows into the main pipe 21 through the connecting pipe 7.

  The attachment pipe 23 extends from the outer periphery of the main pipe 21 along a direction orthogonal to the direction in which the main pipe 21 extends, and the internal space communicates with the internal space of the main pipe 21. The attachment tube 23 functions as an attached portion of the stopper lid side mechanism portion 3.

  The stopper lid side mechanism portion 3 is attached to the attachment tube 23 with a part thereof being inserted through the attachment tube 23. The plug lid side mechanism unit 3 is provided on the outer peripheral side of a disc-shaped rotation unit (not shown) that rotates on a rotation axis parallel to the central axis of the attachment tube 23 and an end surface of the rotation unit. And a support projection 31 projecting into the drain pipe 2 (main pipe 21). The support protrusion 31 is disposed in the drain pipe 2 (main pipe 21) and supports the drain port device 4. In the present embodiment, the support protrusion 31 is short enough not to reach the central axis of the drain pipe 2 (main pipe 21).

  Further, a tubular tube member 8 and a transmission member 9 (for example, a wire or the like) disposed in the tube member 8 are connected to the stopper lid side mechanism unit 3. The transmission member 9 can reciprocate within the tube member 8, and can be reciprocated by displacing a predetermined operation member (not shown) (for example, an operation button capable of reciprocation or a rotatable operation handle). It is supposed to move. Then, as the transmission member 9 reciprocates, the rotating portion rotates, and as a result, the support protrusion 31 moves up and down.

  The drain port device 4 includes a water passage member 41, a support shaft 42, and a plug lid 43.

  The water passage member 41 is disposed in a state that can move up and down in the drain pipe 2 (main pipe 21), and has an annular outer peripheral wall portion 41A and a lower catch extending inward from the inner periphery of the outer peripheral wall portion 41A. And a collecting portion 41B.

  The outer peripheral wall portion 41A is disposed in the drain pipe 2 (main pipe 21) so as to be along the inner peripheral surface of the drain pipe 2 (main pipe 21). Further, the lower end surface of the outer peripheral wall portion 41 </ b> A is placed on the support protrusion 31, so that the water flow member 41 and the drain port device 4 are supported in the drain pipe 2 (main pipe 21) by the support protrusion 31. It has become so.

  The lower collection portion 41B has an inner peripheral portion fixed to the support shaft 42 and has a plurality of ribs extending along the radial direction of the outer peripheral wall portion 41A. In the lower collection part 41B, the waste water flowing through the drain pipe 2 flows down through the gap formed between the ribs, while the dust contained in the waste water is collected.

  The support shaft 42 has a rod shape, and an upper end portion thereof is attached to the central portion of the back surface of the stopper lid 43, and a lower end side portion thereof is fixed to the water passage member 41 (lower collecting portion 41 </ b> B). Therefore, when the water passing member 41 moves up and down due to the support protrusion 31 moving up and down, the support shaft 42 and the plug lid 43 move up and down together with the water passing member 41.

  The plug lid 43 is a disc-shaped lid portion 43A made of a resin or the like, and an annular packing portion made of an elastically deformable material (for example, rubber or resin) attached to the back outer peripheral side of the lid portion 43A. 43B. In the present embodiment, when the stopper lid 43 is moved downward along with the downward movement of the support protrusion 31, the entire outer peripheral portion of the packing portion 43 </ b> B comes into contact with the bottom wall portion 101 so that the drain port 102 is closed. It has become. On the other hand, when the stopper lid 43 is moved upward with the upward movement of the support protrusion 31, the packing portion 43 </ b> B is separated from the bottom wall portion 101 so that the drainage port 102 is opened.

  In the present embodiment, the support protrusion 31 is in contact with the lower end surface of the outer peripheral wall portion 41A when the drain port 102 is opened. However, when the drain port 102 is closed, the support protrusion 31 is connected to the outer peripheral wall portion 41A. It is separated from the lower end surface. Thereby, when the drain outlet 102 is closed, the stopper lid 43 (packing part 43B) can be reliably brought into contact with the bottom wall part 101, and good water tightness can be obtained.

  In the present embodiment, the drain port device 4 and the hair catcher 5 can be detached from the drain pipe 2 at a time by pulling up the stopper lid 43 and the support shaft 42 from the front side of the basin 100. . And when the drain port apparatus 4 and the hair catcher 5 are removed from the drain pipe 2, only the support protrusion 31 will protrude slightly in the drain pipe 2 (main pipe 21). For this reason, it is possible to improve maintenance and cleaning properties.

  Next, the structure of the hair catcher 5 which is a characteristic part of the present invention will be described.

  In the present embodiment, the hair catcher 5 is disposed inside the drain pipe 2 (main pipe 21) (that is, the drain flow path), and as shown in FIGS. 52.

  The middle tube portion 51 has a cylindrical shape extending along the direction of the central axis CL1 of the hair catcher 5, and the support shaft 42 is inserted into the inner periphery thereof. In addition, a plurality of protrusions extending in parallel with the central axis CL <b> 1 are provided at equal intervals along the circumferential direction of the middle cylinder part 51 on the inner circumference of the middle cylinder part 51. Thereby, since contact | adherence of the middle cylinder part 51 and the support shaft 42 can be prevented, the hair catcher 5 can be hold | maintained in a fixed position, without the hair catcher 5 moving up at the time of the support shaft 42 moving up. It can be done. In this embodiment, the hair catcher 5 is placed on the constricted portion on the inner peripheral surface of the drain pipe 2 (main pipe 21) (see FIG. 1), and basically does not move. Yes.

  The dish part 52 has a bowl shape that spreads outward from the outer peripheral surface of the middle cylinder part 51, and includes an outer wall part 53 and a collection part 54.

  The outer wall portion 53 prevents foreign matter that has flowed into the collecting portion 54 from flowing out of the hair catcher 5. The outer wall portion 53 has an annular shape centered on the central axis CL <b> 1 and is located on the outermost periphery of the hair catcher 5. Moreover, the outer wall 53 is in a state of being erected on the outermost peripheral portion of the collecting portion 54, and the inner peripheral surface thereof is inclined downward toward the central axis CL1 and has a relatively inclined angle. It has a large slope. Since the inner peripheral surface of the outer wall portion 53 is configured in this way, it is possible to more reliably prevent the outflow of foreign matter that has flowed into the collecting portion 54, and to improve manufacturability (for example, ease of die cutting). It can be secured.

  The collection part 54 is for collecting foreign substances such as dust contained in the waste water. In the present embodiment, the central axis of the collection part 54 coincides with the central axis CL1, and the collection part 54 has an annular shape surrounding the central axis CL1.

  In addition, the upper surface of the collecting portion 54 includes a staircase portion 55 that is provided around the central axis CL1 and has a spiral staircase shape. In the present embodiment, almost the entire upper surface of the collection portion 54 is a staircase portion 55. The staircase portion 55 is formed by alternately forming surface portions 56 and step portions 57. In the present embodiment, a plurality (three or more in the present embodiment) of the surface portions 56 and the step portions 57 are provided.

  Each surface portion 56 is constituted by a plurality of surfaces that gradually lower along the circumferential direction of the central axis CL1. The surface portion 56 is located between the uppermost surface portion 56A located at the uppermost position, the lowermost surface portion 56B located at the lowermost position, the uppermost surface portion 56A and the lowermost surface portion 56B, and along the circumferential direction of the central axis CL1. There are a plurality of intermediate surface portions 56C arranged side by side. In the present embodiment, each of the intermediate surface portion 56C and the lowermost surface portion 56B has a curved surface shape that gradually decreases along the direction from the outer wall portion 53 toward the middle cylinder portion 51, while the center axis CL1. In the direction along the circumferential direction, they have substantially the same height.

  Further, the lowermost surface portion 56B is surrounded on all sides by the middle tube portion 51, the step portion 57, the outer wall portion 53, and a continuous surface 60 described later, and the lowermost surface portion 56B, the middle tube portion 51, the step portion 57, and the outer wall portion. 53 and the continuous surface 60 form a pocket 58 that is a hollow space. That is, a pocket portion 58 is provided at the lowermost portion of the staircase portion 55. In the present embodiment, the middle cylinder portion 51, the stepped portion 57, the outer wall portion 53, and the continuous surface 60 surrounding the lowermost surface portion 56B correspond to the wall portion.

  The stepped portions 57 are located between the uppermost surface portion 56A and the intermediate surface portion 56C (the uppermost one of the intermediate surface portions 56C), between the intermediate surface portions 56C, and between the intermediate surface portions 56C (lowermost of the intermediate surface portions 56C). And the lowermost surface portion 56B, and is a surface connecting the surface portions 56 to each other. In the present embodiment, each step portion 57 has an inclined surface shape that gradually decreases from the high-side surface portion 56 toward the low-side surface portion 56. Moreover, in this embodiment, since each surface part 56 and each step part 57 are comprised as mentioned above, drainage is performed toward the low side from the high side among the two surface parts 56 adjacent on both sides of the step part 57. It comes to flow.

  If the drainage is not intentionally collected in the surface portion 56, for example, by providing an excessively large dent in the depth and area of the surface portion 56, the stepped portion 57 can be removed by drainage flowing from above. The drainage flows from the higher side to the lower side of the two surface portions 56 adjacent to each other.

  Further, in the present embodiment, when viewed from above, the stepped portion 57 extends outward from the central axis CL1 side toward the downstream side in the drainage flow direction of the stepped portion 55 (the circumferential direction of the central axis CL1). And a shape that gradually curves (in the direction from the uppermost surface portion 56A toward the lowermost surface portion 56B).

  Further, a large number of water passage holes 59 are formed through the entire area of the collecting portion 54 where the staircase portion 55 exists and excluding the uppermost surface portion 56A. And most (for example, half or more) of each hole part 59 located in the downstream of the drainage flow direction in the staircase part 55 has a water flow area of each hole part 59 located upstream in the flow direction. It is supposed to be larger than the water flow area. In the present embodiment, when viewed from above, the water flow area of the hole 59 located on the upstream side of the reference position is compared with a position where the center axis CL1 is sandwiched between the continuous surface 60 described later as a reference position. The water flow area of the hole 59 located on the downstream side of the reference position is relatively large.

  In addition, the upper surface of the collection portion 54 includes a continuous surface 60 that continues from the lowermost surface portion 56B to the uppermost surface portion 56A. The hole 59 is not formed in the continuous surface 60, and the continuous surface 60 is a smooth surface (a shape having no irregularities on the surface). In the present embodiment, the shape of the surface from the lowermost surface portion 56B to the continuous surface 60 is configured to smoothly transition, and a corner is formed between the lowermost surface portion 56B and the continuous surface 60. Absent. Furthermore, the shape of the surface from the continuous surface 60 to the uppermost surface portion 56A is also configured to smoothly transition, and no corner is formed between the continuous surface 60 and the uppermost surface portion 56A. That is, in the present embodiment, the surface from the lowermost surface portion 56B through the continuous surface 60 to the uppermost surface portion 56A is a smooth surface with no irregularities on the surface.

  Similarly to the continuous surface 60, no hole 59 is formed in the uppermost surface portion 56A, and the uppermost surface portion 56A has a smooth surface shape (smooth shape with no irregularities on the surface).

  In addition, a protrusion 61 that slightly protrudes upward is provided on the continuous surface 60 side of the uppermost surface portion 56A. The protruding portion 61 includes a surface that is inclined downward toward the stepped portion 57 side connected to the uppermost surface portion 56A. The drainage that has flowed down to the uppermost surface portion 56A from the inclined surface provided on the protrusion 61 is directed to the lower surface portion 56 (intermediate surface portion 56C) adjacent to the uppermost surface portion 56A with the stepped portion 57 interposed therebetween. It is to be directed to.

  As described above in detail, according to the present embodiment, part of the drainage flows along the staircase portion 55 to the lower side (downstream side) of the staircase portion 55, and the lower portion (pocket portion 58) of the staircase portion 55. ) Can collect all the foreign substances together. Thereby, removal of a foreign material becomes easy and cleaning property can be improved.

  Even if a long and narrow foreign object such as hair rides on the stepped portion 55 in a state extending along the drainage flow direction, the foreign matter such as hair floats at the position where the stepped portion 57 exists. It will be like a state. Therefore, it is possible to effectively prevent foreign matter such as hair from coming into close contact with the collecting portion 54 (stepped portion 55), and foreign matter can be easily removed. As a result, better cleaning properties can be realized.

  In addition, even if the holes 59 located on the lower side (downstream side) of the staircase portion 55 are somewhat blocked due to the collection of foreign matters in the lower portion of the staircase portion 55, Drainage can flow through the hole 59 located. Accordingly, it is possible to more reliably prevent the drainage capacity from being lowered.

  In the present embodiment, since the staircase portion 55 has a spiral staircase shape, the width of the staircase portion 55 can be made relatively small, and the drainage can flow more vigorously in the staircase portion 55. Therefore, the foreign matter can be more reliably pushed to the lower side (downstream side) of the staircase portion 55, and the foreign matter can be collected more efficiently at the lower portion of the staircase portion 55. As a result, the cleanability and drainage capacity can be further improved.

  Furthermore, by making the staircase portion 55 into a spiral staircase shape, the length of the staircase portion 55 along the flow direction of the drainage can be secured larger. Therefore, more stepped portions 57 can be provided between the uppermost surface portion 56A and the lowermost surface portion 56B. As a result, it is possible to more reliably prevent foreign matter from adhering to the collection part 54.

  In addition, since the length of the staircase portion 55 can be ensured to be large, the degree of design freedom in the staircase portion 55 can be improved. Further, the foreign matter collected at the lower portion (pocket portion 58) of the staircase portion 55 is difficult to protrude to the upper side (upstream side) of the staircase portion 55. Therefore, the user can more easily (at a glance) grasp the foreign matter collection site in the staircase portion 55. As a result, the hair catcher 5 can be more easily cleaned.

  In the present embodiment, a continuous surface 60 that is continuous from the lowermost surface portion 56B to the uppermost surface portion 56A is provided. Accordingly, the foreign matter accumulated on the collecting portion 54 can be removed very easily by wiping the collecting portion 54 from the lowermost surface portion 56B through the continuous surface 60 to the uppermost surface portion 56A side. Thereby, the cleaning property can be further improved.

  Furthermore, since the lowest part of the staircase part 55 is provided with the pocket part 58 of the hollow shape which consists of the lowermost part 56B, the step part 57, the continuous surface 60, etc., it can collect a foreign material more reliably in the pocket part 58. Can do. As a result, the cleanability can be further improved.

  In addition, since the continuous surface 60 is a smooth surface in which the hole 59 is not formed, when the collecting portion 54 is wiped from the lowermost surface portion 56B to the uppermost surface portion 56A side through the continuous surface 60, foreign matter is removed. Is not easily caught on the continuous surface 60 (enters into the hole). Therefore, much better cleaning properties can be obtained.

  Further, since the uppermost surface portion 56A is also a smooth surface with no hole 59 formed therein, most of the drainage that has flowed down to the uppermost surface portion 56A is adjacent to the uppermost surface portion 56A across the stepped portion 57. It can flow to the lower surface portion 56 (intermediate surface portion 56C) side. Accordingly, the drainage can flow more vigorously in the staircase portion 55, and foreign matter can be pushed more reliably to the lower side of the staircase portion 55. As a result, the cleanability and drainage capacity can be further enhanced.

  Further, in the present embodiment, the drainage that has flowed down to the uppermost surface portion 56A by the protruding portion 61 is more efficiently transferred to the lower surface portion 56 (intermediate surface portion 56C) side adjacent to the uppermost surface portion 56A across the stepped portion 57. Can flow well. Accordingly, the drainage can be made to flow more vigorously in the staircase portion 55, and as a result, the cleanability and drainage capacity can be further enhanced.

  Further, according to the present embodiment, when drainage flows from the surface portion 56 to the surface portion 56 located one step below the surface portion 56 through the portion located on the outer peripheral side of the step portion 57, the flow direction of the drainage. In this vector, a vector component directed toward the central axis CL1 can be generated. Therefore, when the drainage flows down the stepped portion 55, the drainage can smoothly flow spirally. Thereby, a foreign material can be pushed more reliably to the lower part side (downstream side) of the staircase part 55, and cleaning property and drainage capacity can be further improved as a result.

  Furthermore, in the present embodiment, basically, the water passage area of the hole 59 located on the downstream side in the flow direction is made larger than the water passage area of the hole 59 located on the upstream side in the flow direction. . Therefore, even when foreign matter is collected to some extent in the lower part of the staircase portion 55, drainage can easily flow through the hole 59 on the downstream side, and the drainage capacity can be further enhanced.

  On the other hand, since the water flow area of the hole 59 located on the upstream side in the flow direction is relatively small, it becomes difficult for drainage to pass through the hole 59 on the upstream side, and as a result, from the upstream side to the downstream side of the staircase portion 55. The drainage can be drained more vigorously. As a result, the foreign matter can be more reliably pushed down to the lower side (downstream side) of the staircase portion 55, and as a result, more excellent cleaning properties and drainage ability can be obtained.

  Moreover, the step part 57 has comprised the inclined surface shape which becomes low gradually toward the low side from the high side among the two surface parts 56 adjacent to self. Therefore, when cleaning the staircase portion 55, it becomes easy to wipe off dirt adhering to the boundary portion between the step portion 57 and the lower surface portion 56 adjacent to the step portion 57. Therefore, the cleaning property can be further improved.

  In addition, it is not limited to the description content of the said embodiment, For example, you may implement as follows. Of course, other application examples and modification examples not illustrated below are also possible.

  (A) In the embodiment described above, the hair catcher 5 includes the middle cylinder portion 51, but may not include the middle cylinder portion 51. That is, the hair catcher may have a structure that does not include a through hole at the center.

  (B) In the above embodiment, the staircase portion 55 has a spiral staircase shape provided around the central axis CL1, but the staircase portion does not necessarily have a spiral staircase shape. Therefore, for example, as shown in FIGS. 7 and 8, the stepped portion 65 may be configured such that the surface portions 66 and the stepped portions 67 are alternately arranged along the direction orthogonal to the central axis CL <b> 1.

  For example, as shown in FIG. 9 (the hole portion 59 is not shown in FIG. 9), when viewed from above, each step portion 77 is located on the lowermost surface (lowermost surface portion 76B) side of the surface portion 76. You may comprise in the staircase part 75 so that the curved shape centering on may be made. In this case, the drainage can flow more reliably toward the lower portion (lowermost surface portion 76B) of the staircase portion 75, and as a result, foreign matters can be more reliably captured at the lower portion (lowermost surface portion 76B) of the staircase portion 75. Can be collected.

  (C) The shape of the stepped portion 57 in the above embodiment is an example, and the shape is not limited to that in the above embodiment. Therefore, for example, the step portion may have a shape extending along the vertical direction between the high-side surface portion 56 and the low-side surface portion 56.

  Further, for example, the stepped portion may have a curved surface shape that gradually decreases from the high-side surface portion 56 toward the low-side surface portion 56 and is recessed obliquely downward. In this case, the surface from the lowermost portion of the step portion 57 to the surface portion 56 may be a continuous surface without unevenness, and a corner may not be formed at the lowermost portion of the step portion 57 and the boundary portion of the surface portion 56. Good. By comprising in this way, adhesion of the stain | pollution | contamination with respect to the site | part between the lower part of the step part 57 and the surface part 56 can be suppressed effectively, and hygiene can be improved. Further, even if dirt is attached to a portion between the lower portion of the step portion 57 and the surface portion 56, the stain can be easily removed by wiping the portion from the surface portion 56 to the step portion 57, for example. it can. Therefore, the cleaning property can be improved.

  Further, for example, the stepped portion may have a shape extending radially around the central axis CL1 when viewed from above.

  (D) In the above embodiment, the hole 59 basically has a water passage area that is located on the downstream side in the flow direction, but is larger than that on the upstream side. However, the configuration of the hole 59 is not necessarily limited to this. Therefore, for example, you may comprise so that the water flow area of each hole 59 may become the same. Moreover, you may comprise so that the water flow area of the hole part 59 may become large gradually toward the downstream from the upstream of the said flow direction. Even in this case, similarly to the above-described embodiment, the drainage can easily flow through the hole 59 on the downstream side, and the drainage capacity can be further enhanced. Further, the drainage can flow more vigorously from the upstream side to the downstream side of the staircase portion 55, and as a result, more excellent cleanability and drainage capability can be obtained.

  (E) In the above embodiment, the hole 59 is not formed in the uppermost surface portion 56A and the continuous surface 60, but the hole portion 59 may be formed in at least one of the uppermost surface portion 56A and the continuous surface 60.

  (F) In the above embodiment, the support shaft 42 is configured to move up and down as the support protrusion 31 moves up and down, but the method of moving the support shaft 42 is not particularly limited. For example, the driving force due to the operation of the transmission member 9 is directly transmitted to the support shaft 42, or the elastic force of a predetermined elastic member (for example, a spring member or the like) is transmitted to the support shaft 42. You may comprise so that 42 may move.

  (G) In the said embodiment, although the washbasin 100 is illustrated as a tank body, the tank body which can apply the technical idea of this invention is not limited to a washbasin. Therefore, for example, the technical idea of the present invention may be applied to a bathtub or a kitchen sink.

  (H) In the above-described embodiment, the stopper lid 43 (packing portion 43B) is configured to close the drain port 102 by contacting the bottom wall portion 101 (basin 100). The portion 43 </ b> B) may be configured to close the drain port 102 by contacting a member (for example, a cylindrical member inserted through the drain port 102) installed in the basin 100.

  5 ... Hair catcher, 54 ... Collection part, 55, 65 ... Stair part, 56, 66, 76 ... Face part, 56A ... Top face part, 56B, 76B ... Bottom face part, 57, 67, 77 ... Step part, 58 ... pocket part, 59 ... hole part, 60 ... continuous surface, 61 ... projection part, CL1 ... central axis.

Claims (10)

A hair catcher provided with a collecting part arranged in a drainage channel,
The upper surface of the collection portion includes a plurality of step portions and step portions formed by alternately forming surface portions arranged between the step portions,
The staircase portion is configured such that drainage flows from a higher side to a lower side of the two surface portions adjacent to each other with the stepped portion interposed therebetween. A hair catcher characterized in that a large number of holes for water passage are formed therethrough. The collection part has an annular shape surrounding its central axis,
The hair catcher according to claim 1, wherein the staircase portion is provided around the central axis and has a spiral staircase shape.   The upper surface of the said collection part is provided with the continuous surface which continues from the lowermost surface part located in the lowest part among the said surface parts to the uppermost surface part located in the uppermost part among the said surface parts. The listed hair catcher.   The hair catcher according to claim 3, wherein the continuous surface has a smooth surface shape in which the hole is not formed.   The hair catcher according to claim 3 or 4, wherein the uppermost surface portion has a smooth surface shape in which the hole portion is not formed.   The said uppermost surface part is equipped with the projection part which guides waste_water | drain toward the said surface part side which pinches | interposes the said uppermost surface part and the said step part, It is any one of Claim 3 thru | or 5 characterized by the above-mentioned. Hair catcher.   When viewed from above, the step portion extends outward from the central axis side of the collecting portion, and has a shape that gradually curves toward the downstream side in the drainage flow direction of the step portion. The hair catcher according to any one of claims 2 to 6.   The water flow area of the hole located downstream in the flow direction of drainage in the staircase is basically made larger than the water flow area of the hole located upstream in the flow direction. The hair catcher according to any one of claims 1 to 7.   The hair according to any one of claims 1 to 8, wherein the staircase portion includes a pocket portion surrounded at all sides by a wall portion including at least a part of the step portion at a lowermost portion thereof. catcher.   10. The stepped portion has an inclined surface shape or a curved surface shape that gradually decreases from a higher side to a lower side of the two surface portions adjacent to the stepped portion. The hair catcher according to item.

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