Support member

Abstract

To provide a support member that allows easy attachment of a drain outlet strainer to a drain outlet drain.SOLUTION: A support member 10 is attached to a drain outlet drain 1 and supports a drain strainer 40. It includes a spring portion 11 configured such that part of the cylindrical circumferential surface is cut out from one end to the other in the axial direction and is elastically deformable so that the width of the cut-out portion in the circumferential direction can be narrowed and widened, a cut-out portion 12 configured from the cut-out portion of the spring portion 11, and a support portion 17 that supports the drain strainer 40. The spring portion 11 presses against the inner surface of a tubular portion 3 inside the tubular portion 3 of the drain outlet drain 1, thereby maintaining the support member 10 attached to the drain outlet drain 1.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a technology for a support member that is attached to a drain for a drain outlet and supports a strainer for a drain outlet. [Background technology]

[0002] BACKGROUND ART Conventionally, various drain outlet drain technologies have been known for use in repairing existing drain outlet drains installed on the roofs of buildings such as buildings and apartment buildings, or at the drain outlets of balconies on each floor. Patent Document 1 describes a drain device that includes a strainer, a drain body that includes a flat plate portion formed with a circular opening connected to a drain pipe, a circular pipe that communicates with the circular opening, the circular opening to which the circular pipe is connected, and a beam portion that is arranged to span the circular opening, and a coil spring that connects the beam portion of the drain body to the top of the strainer inside the strainer (see Patent Document 1).The strainer support means in this drain device uses the elastic force of the coil spring to install the strainer on the drain body without using tools, etc., so that it is low cost and has excellent installation workability, and can effectively prevent the strainer from falling off the drain body. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Publication No. 2022-124585 Summary of the Invention [Problem to be solved by the invention]

[0004] However, the means for supporting the strainer in the drain device described in Patent Document 1 requires the work of connecting the beam part of the drain body and the top part of the strainer with a coil spring inside the strainer, which makes the work of attaching the strainer to the drain body complicated.

[0005] The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a support member that allows for easy attachment of a drain strainer to a drain. [Means for solving the problem]

[0006] The problem to be solved by the present invention is as described above, and the means for solving this problem will now be described.

[0007] That is, the present invention provides a support member that is attached to a drain for a drain used for repairing an existing drain provided in a drain outlet, and supports a strainer for a drain outlet, and the drain for a drain outlet comprises a flange portion having a through hole formed therein, and a cylindrical portion that is configured in a cylindrical shape and is placed inside the drain outlet, one end of the cylindrical portion is connected to the through hole portion of the flange portion, and the cylindrical portion and the flange portion are configured as an integral unit, and the through hole of the flange portion is configured as an inlet through which wastewater flows in, and the other end of the cylindrical portion is configured as an outlet through which the inflowing wastewater flows out. The support member is configured so that a portion of the cylindrical circumferential surface is cut out from one end to the other in the axial direction, and is configured to be elastically deformable so that the width of the cut-out portion in the circumferential direction can be narrowed and widened; a cut-out portion constituted by the cut-out portion of the spring portion; and a support portion that supports the drain strainer; and the spring portion presses the inner surface of the tubular portion inside the drain strainer, thereby maintaining the drain strainer attached to the drain strainer. [Effects of the Invention]

[0008] The present invention has the following effects: That is, according to the present invention, the work of attaching the drain strainer to the drain can be easily performed. [Brief explanation of the drawings]

[0009] [Figure 1]1 is a perspective view showing a state in which a support member according to an embodiment of the present invention is attached to a drain for a drain outlet and a drain strainer. FIG. [Figure 2] FIG. 10 is a cross-sectional view showing the support member, the drain for the drain outlet, and the strainer for the drain outlet attached to the existing drain for the drain outlet. [Figure 3] FIG. 10 is a perspective view showing a drain for a drain outlet attached to the support member. [Figure 4] FIG. [Figure 5] FIG. [Figure 6] FIG. [Figure 7] FIG. [Figure 8] FIG. [Figure 9] Left side view also showing the support member. [Figure 10] Right side view also showing the support member. [Figure 11] FIG. DETAILED DESCRIPTION OF THE INVENTION

[0010] Next, a support member 10 according to an embodiment of the invention will be described with reference to FIGS.

[0011] As shown in FIGS. 1 and 2, the support member 10 is attached to the drain outlet drain 1 and supports the drain outlet strainer 40. The support member 10, the drain outlet drain 1, and the drain outlet strainer 40 form a valve body. First, the drain outlet drain 1 will be described. The drain outlet drain 1 is used to renovate existing drain outlet drains 31 installed at drain outlets 30 on the roofs of buildings such as buildings and condominiums, or on balconies on each floor. The drain outlet 30 is a horizontal drain outlet 30 formed on a side surface above near the floor surface and opens to the side. In other words, the drain outlet drain 1 is used to renovate existing drain outlet drains 31 installed with horizontal drain outlets 30. A pipe member 32 made of, for example, polyvinyl chloride material is installed in the existing drain outlet drain 31. In addition, the drain outlet drain 1 is not limited to being used for renovating an existing drain outlet drain 31 with a horizontal drain outlet 30, but may also be used for renovating an existing drain outlet drain with a vertical drain outlet.

[0012] 1 to 3, the drain outlet drain 1 is made of an elastically deformable material (e.g., lead) that is harder than vinyl chloride. The drain outlet drain 1 includes a flange portion 2, a cylindrical portion 3, an inlet 4, and an outlet 5. The drain outlet drain 1 may also be made of a material softer than lead, such as vinyl chloride.

[0013] The flange 2 of the drain for a drain outlet 1 is disposed outside the drain outlet 30. It is configured as a flat plate-like member bent in a generally L-shape when viewed from the side. The flange 2 includes a horizontal portion 21 and a vertical portion 22 extending upward from the rear end of the horizontal portion 21. The flange 2 is configured by forming a through-hole 23 in the vertical portion 22. The boundary between the horizontal portion 21 and the vertical portion 22 is formed in a curved shape. The through-hole 23 is disposed in the left-right center of the vertical portion 22 near the bottom portion 21.

[0014] The tubular portion 3 of the drain for drain 1 is placed inside the drain 30. The tubular portion 3 is configured in a cylindrical shape. The tubular portion 3 is configured to extend rearward from the flange portion 2 (opposite the side where the horizontal portion 21 of the flange portion 2 is placed). One end (front end) of the tubular portion 3 is connected to the through-hole 23 portion of the flange portion 2 (the edge portion that forms the through-hole), and the tubular portion 3 and the flange portion 2 are configured integrally. The boundary portion between the tubular portion 3 and the flange portion 2 is formed into an inclined or curved surface.

[0015] The through hole 23 of the flange portion 2 of the drain outlet 1 is configured as an inlet 4 through which wastewater flows in, and the other end (rear end) of the tubular portion 3 is configured as an outlet 5 through which the inflowing wastewater flows out. A pipe member 6 is connected to the outlet 5. The pipe member 6 is configured as one piece with the tubular portion 3 by thermal welding. The pipe member 6 is configured to extend rearward from the other end of the tubular portion 3. The pipe member 6 is elastically deformable and is made of a material (e.g., vinyl chloride material) that is softer than lead, and has a bellows-shaped circumferential surface. Note that the pipe member 6 may also be configured as one piece with the tubular portion 3 by placing a resin material (e.g., hard vinyl chloride material) that is harder than the pipe member 6 at the connecting portion with the tubular portion 3 and thermal welding it.

[0016] In the drain outlet drain 1 configured in this manner, the pipe member 6 and the cylindrical portion 3 are inserted into the drain outlet 30 from the front, and the pipe member 6 is inserted into the pipe member 32. Then, the drain outlet drain 1 is placed in the drain outlet 30 so that the underside of the horizontal portion 21 of the flange portion 2 comes into contact with the drain outlet drain 31 and the floor surface, and the rear surface of the vertical portion 22 of the flange portion 2 comes into contact with the drain outlet drain 31 and the side surface around the drain outlet 30 (see Figure 2).

[0017] The drain outlet drain 1 is used with a drain outlet strainer 40 supported by a support member 10 attached to the drain outlet drain 1. Next, the drain outlet strainer 40 will be described. As shown in FIGS. 1 and 2, the drain outlet strainer 40 is supported on the drain outlet drain 1 by being supported by the support member 10. The drain outlet strainer 40 is configured to block the drain hole 30 while allowing water to pass through when attached to the drain outlet drain 1. The drain outlet strainer 40 is made of a metal material and includes a pair of main bodies 41 and 42, a rotating shaft 43, a plurality of water passage holes 44, a locking hole 45, and an insertion hole 46.

[0018] The pair of main bodies 41 and 42 of the drain strainer 40 are each formed in a flat, approximately semicircular shape. The main bodies 41 and 42 are connected to each other via a rotation shaft 43 and are configured to be relatively rotatable around the rotation shaft 43. For convenience, the upper of the pair of main bodies 41 and 42 will be referred to as main body 41, and the lower one will be referred to as main body 42. They are configured symmetrically above and below the rotation shaft 43. For this reason, the drain strainer 40 may be used with the top and bottom facing inverted.

[0019] The water passage holes 44 of the drain strainer 40 allow water to pass through the through-hole 23 side of the flange 2 of the drain 1 for the drain outlet. The water passage holes 44 are formed in each of the pair of main bodies 41 and 42. The water passage holes 44 are linear through-holes whose longitudinal direction is perpendicular to the axial direction of the rotation shaft 43. The multiple water passage holes 44 are arranged side by side in the left-right direction (the axial direction of the rotation shaft 43). The drain strainer 40 prevents foreign matter such as trash from flowing into the through-hole 23 side of the flange 2 of the drain 1 for the drain outlet between the multiple water passage holes 44.

[0020] The insertion hole 46 of the drain strainer 40 is formed in the central water passage hole 44 in the left-right direction among the multiple water passage holes 44. The central water passage hole 44 in the left-right direction among the multiple water passage holes 44 is configured as a locking hole 45. The left-right width of the locking hole 45 is configured to be wider than that of the water passage hole 44. The insertion hole 46 is a circular through-hole, and is configured to be connected to the end of the locking hole 45 in the direction of the rotation shaft 43 and to be continuous with the locking hole 45. The insertion hole 46 is connected to the lower end of the locking hole 45 in the main body 41, and is connected to the rear end of the locking hole 45 in the main body 42. The diameter of the insertion hole 46 is configured to be larger than the left-right width of the locking hole 45, and the insertion hole 46 is configured to allow the insertion of a support part 17 of the support member 10, which will be described later.

[0021] Next, the support member 10 will be described. The support member 10 is configured to be elastically deformable. As shown in Figures 1, 2, or 4 to 11, the support member 10 includes a spring portion 11, a notch portion 12, a front edge portion 13, a rear edge portion 14, a lower edge portion 15, a protruding portion 16, and a support portion 17.

[0022] The spring portion 11 of the support member 10 is configured so that a portion of the circumferential surface of the cylindrical shape with the axial direction being the front-rear direction is cut out from the front end to the rear end of the spring member 11 (from one end to the other end in the axial direction of the spring member 11). The spring portion 11 is configured to be roughly C-shaped when viewed from the front. The spring portion 11 is configured by bending a thin plate-like member (e.g., stainless steel material) and then hardening it. The spring portion 11 is made of a plate-like member that is thinner than the flange portion 2 and the cylindrical portion 3 of the drain outlet 1. For example, the spring portion 11 is configured to be 0.7 mm or less thick, and the flange portion 2 and the cylindrical portion 3 of the drain outlet 1 are configured to be 1.0 mm or more thick. The spring portion 11 is configured to be elastically deformable so that the width of the cutout portion in the circumferential direction of the spring portion 11 narrows and widens. The spring portion 11 is configured to be elastically deformable so that the diameter of the spring portion 11 narrows and widens. The spring portion 11 is deformed so that its diameter decreases (so that the width of the notch in the circumferential direction of the spring portion 11 decreases) when its outer circumferential surface is pressed radially inward by an operator, and is deformed so that it returns to its original diameter when the pressure by the operator is released. The diameter of the spring portion 11 in an unpressed state is configured to be larger than the diameter of the inlet 5 (through hole 23 of the flange portion 2) of the drain outlet drain 1. The spring portion 11 is inserted into the tubular portion 3 from the inlet 5 of the drain outlet drain 1 in a pressed state, and then attached to the drain outlet drain 1 by releasing the pressure. The spring portion 11 presses its outer circumferential surface against the inner circumferential surface of the tubular portion 3 of the drain outlet drain 1, thereby maintaining the state in which the support member 10 is attached to the drain outlet drain 1.

[0023] The cutout 12 of the support member 10 is formed by a cutout portion of the circumferential surface of the spring portion 11. The cutout 12 is formed from the front end to the rear end of the spring portion 11. By forming the cutout 12 in the spring portion 11, the spring portion 11 is configured to be elastically deformable. The cutout 12 is located in the lower part of the spring portion 11.

[0024] The front edge 13 of the support member 10 is formed by the opening edge of the front end of the spring portion 11. The rear edge 14 is formed by the opening edge of the front end of the spring portion 11. The lower edge 15 is formed by the lower end of the spring portion 11 and forms the notch portion 12. The lower edge 15 is formed by a pair of left and right lower edges 15.

[0025] The protruding portion 16 of the support member 10 is provided on the upper part of the front edge portion 14 of the spring portion 11. The protruding portion 16 protrudes forward and upward from the front edge portion 14 of the spring portion 11. The protruding portion 16 is configured to protrude forward and then protrude upward from the front end of the forward protruding portion, and is configured to be roughly L-shaped in side view.

[0026] The support portion 17 of the support member 10 is engaged with the engagement hole 45 of the drain strainer 40, thereby supporting the strainer 40 for the drain outlet 40. The support portion 17 is made of a resin material. The support portion 17 is provided on a portion that protrudes upward from the protrusion 16. The support portion 17 is located above and forward of the spring portion 11, and supports the strainer 40 for the drain outlet 40 above and forward of the spring portion 11. When the support member 10 is attached to the drain for the drain 1, the support portion 17 is located above the through hole 23 of the flange portion 2, and supports the strainer 40 for the drain outlet 40 above the through hole 23 of the flange portion 2.

[0027] The support portion 17 of the support member 10 has a portion configured to be substantially cylindrical, and the substantially cylindrical portion of the support portion 17 is configured to protrude forward from the portion that protrudes upward from the protruding portion 16. The diameter of at least the front end (protruding end) of the substantially cylindrical portion of the support portion 17 is configured to be larger than the left-to-right width of the locking hole 45 of the drain strainer 40 and smaller than the diameter of the insertion hole 46 of the drain strainer 40. The support portion 17 is configured so that the left and right sides of the circumferential surface of the substantially cylindrical portion of the support portion 17 (the circumferential surface at a midpoint in the protruding direction of the support portion 17) are cut out. The left-to-right width of the cutout portions of the support portion 17 is smaller than the diameter of the front end of the substantially cylindrical portion of the support portion 17 and is larger than or equal to the left-to-right width of the locking hole 45 of the drain strainer 40.

[0028] The support member 10 configured as described above is attached to the drain outlet drain 1 and supports the drain outlet strainer 40 (see FIGS. 1 and 2). In attaching the support member 10 to the drain outlet drain 1 and using the support member 10 to support the drain outlet strainer 40, first, the cutout portion 12 of the support member 10 is oriented downward, and while the spring portion 11 of the support member 10 is pressed, the support member 10 is moved from front to rear to insert the spring portion 11 of the support member 10 into the tubular portion 3 from the inlet 5 of the drain outlet drain 1. At this time, the support member 10 is inserted into the tubular portion 3 so that the support portion 17 of the support member 10 is positioned above and in front of the outlet 5 of the drain outlet drain 1 and near the front of the vertical portion 22 of the flange portion 2. Thereafter, the pressure on the spring portion 11 of the support member 10 is released while the support member 10 is inserted into the tubular portion 3 of the drain outlet drain 1 in this manner. Then, the outer surface of the spring portion 11 of the support member 10, whose pressure has been released, presses the inner circumferential surface of the tubular portion 3 of the drain outlet drain 1, thereby maintaining the support member 10 attached to the drain outlet drain 1. At this time, the notch 12 of the support member 10 is located inside the tubular portion 3 of the drain outlet drain 1, near the lower part of the tubular portion 3, and faces the inner circumferential surface of the lower part of the tubular portion 3. In this way, the support member 10 is attached to the drain outlet drain 1.

[0029] Next, with the support member 10 attached to the drain 1 in this manner, the drain strainer 40 is moved from front to rear until the support portion 17 of the support member 10 is inserted into the insertion hole 46 of the main body 41 of the drain strainer 40. At this time, the drain strainer 40 is moved rearward until the notched portion of the support portion 17 of the support member 10 and the locking hole 45 of the drain strainer 40 are aligned. Next, the drain strainer 40 is moved downward (along the longitudinal direction of the locking hole 45). At this time, drain strainer 40 is moved downward until support portion 17 of support member 10 is positioned at the upper end of engagement hole 45 of drain strainer 40, and main body 41 of drain strainer 40 is positioned in front of through-hole 23 of flange portion 2 of drain drain 1, and main body 42 of drain strainer 40 is positioned above horizontal portion 21 of flange 2 of drain drain 1. Then, the opening / closing angle between main body 41 and main body 42 of drain strainer 40 is adjusted so that they match the shapes of horizontal portion 21 and vertical portion 22 of flange 2 of drain drain 1. In this way, drain strainer 40 is supported by support portion 17 of support member 10.

[0030] As described above, the spring portion 11 is configured so that a portion of the circumferential surface of the cylindrical shape is cut out from one end to the other in the axial direction, and is configured to be elastically deformable so that the width of the cutout portion 12 in the circumferential direction of the spring portion 11 becomes narrower and wider, and the support member 10 is maintained in a state where it is attached to the drain outlet drain 1 by the spring portion 11 pressing against the inner surface of the tubular portion 3 inside the tubular portion 3 of the drain outlet drain 1. Therefore, for example, it is possible to attach the support member 10 to the drain outlet drain 1 and then attach the drain outlet strainer 40 to the drain outlet drain 1 via the support member 10 without the need for connection work using a coil spring or the like. Therefore, the support member 10 makes it easy to attach the drain outlet drain 1 to the drain outlet strainer 40.

[0031] As described above, the cutout portion 12 of the support member 10 is disposed below the spring portion 11, and is located near the lower portion of the tubular portion 3 of the drain outlet drain 1 when the support member 10 is attached to the drain outlet drain 1. Therefore, within the tubular portion 3 of the drain outlet drain 1, the drainage water flows through the cutout portion 12 in addition to flowing through the spring portion 11 of the support member 10. Therefore, compared to a case where the spring portion 11 is not formed with the cutout portion 12 and is configured in a tubular shape, the amount of drainage can be increased, and it is also possible to prevent foreign matter such as dirt from getting caught on the spring portion 11 of the support member 10 within the tubular portion 3 of the drain outlet drain 1, thereby preventing a decrease in drainage capacity.

[0032] As described above, the spring portion 11 of the support member 10 is made of a plate-like member that is thinner than the flange portion 2 and the tubular portion 3 of the drain outlet drain 1. For this reason, it is possible to prevent foreign matter such as dirt from getting caught on the leaf springs or the like inside the tubular portion 3 of the drain outlet drain 1, which would otherwise reduce drainage capacity, as in the case of a system in which a drain outlet strainer is kept attached to the drain outlet drain by pressing the inner surface of the tubular portion of the drain outlet drain with a plurality of leaf springs or the like radially arranged on the drain outlet strainer.

[0033] As described above, the support portion 17 of the support member 10 is located above and in front of the outlet 5 of the drain 1 and near the front of the vertical portion 22 of the flange 2 when the support member 10 is attached to the drain 1. This makes it easier to attach the drain strainer 40 to the drain 1 than when the means for attaching the drain strainer 40 to the drain 1 is located, for example, at the boundary between the flange and the cylindrical portion or inside the cylindrical portion. This also makes it possible to prevent foreign matter such as dirt from getting caught on the means for attaching the drain strainer 40 inside the drain strainer 40 or the cylindrical portion 3, which would otherwise cause a decrease in drainage capacity, as would be the case when the means for attaching the drain strainer 40 to the drain drain 1 (for example, a spring or leaf spring) is located inside the strainer or the cylindrical portion.

[0034] As described above, the support portion 17 of the support member 10 supports the drain strainer 40 by engaging with the engaging hole 45 of the drain strainer 40. Therefore, the drain strainer 40 can be attached to the drain drain 1 without the need for connection using, for example, a coil spring or the like, making it easy to attach the drain strainer 40. Furthermore, this prevents foreign matter such as dirt from getting caught on the leaf springs or the like inside the cylindrical portion 3 of the drain drain 1, which would reduce drainage capacity, as in the case of a system in which the drain strainer is maintained attached to the drain drain by pressing the inner surface of the cylindrical portion of the drain drain with a plurality of leaf springs or the like radially arranged on the drain strainer. In addition, instead of holding the drain strainer 40 in an attached state by engaging the support portion 17 of the support member 10 with the engaging hole 45 of the drain strainer 40, the support portion 17 can also be configured to hold the drain strainer 40 in an attached state with fasteners such as screws.

[0035] The upwardly protruding portion of the protruding portion 16 of the support member 10 is configured to leave a predetermined gap (for example, a gap of about 10 mm) between it and the vertical portion 22 of the flange portion 2 of the drain outlet drain 1 when the support member 10 is attached to the drain outlet drain 1. Therefore, even if the protruding portion 16 is configured to position the support portion 17 above and in front of the spring portion 11, a sheet member made of, for example, urethane or the like can be easily positioned between the protruding portion 16 and the support portion 17 and the flange portion 2 of the drain outlet drain 1.

[0036] The boundary between the lower edge 15 and the rear edge 14 of the support member 10 is configured in an arc shape. Therefore, when inserting the spring portion 11 of the support member 10 into the tubular portion 3 of the drain outlet drain 1 from the inlet 5 of the drain outlet drain 1, the spring portion 11 of the support member 10 is prevented from getting caught on the tubular portion 3 of the drain outlet drain 1, making it easy to attach the support member 10 to the drain outlet drain 1.

[0037] The boundary between the lower edge 15 and the front edge 14 of the support member 10 is configured in an arc shape. Therefore, when pulling out the spring portion 11 of the support member 10 from the tubular portion 3 of the drain outlet drain 1, the spring portion 11 of the support member 10 is prevented from getting caught on the tubular portion 3 of the drain outlet drain 1, making it easy to remove the support member 10 from the drain outlet drain 1.

[0038] The lower edges 15 and 17 of the support member 10 are configured to widen toward the rear in a bottom view, which prevents the spring portion 11 of the support member 10 from getting caught on the tubular portion 3 of the drain outlet drain 1 when inserting the spring portion 11 of the support member 10 into the tubular portion 3 of the drain outlet drain 1 from the inlet 5 of the drain outlet drain 1, facilitating the work of attaching the support member 10 to the drain outlet drain 1.

[0039] The lower edge 15 of the support member 10 is configured in a linear shape that slopes front-to-bottom and rear-to-top in a side view. Therefore, when inserting the spring portion 11 of the support member 10 into the tubular portion 3 of the drain outlet drain 1 from the inlet 5 of the drain outlet drain 1, the spring portion 11 of the support member 10 can be prevented from getting caught on the tubular portion 3 of the drain outlet drain 1, making it easy to attach the support member 10 to the drain outlet drain 1. Note that the lower edge 15 of the support member 10 may be configured with a curved surface that convex downward. With this configuration, when inserting the spring portion 11 of the support member 10 into the tubular portion 3 of the drain outlet drain 1 from the inlet 5 of the drain outlet drain 1, the spring portion 11 of the support member 10 can be prevented from getting caught on the tubular portion 3 of the drain outlet drain 1, making it easy to attach the support member 10 to the drain outlet drain 1. [Explanation of symbols]

[0040] 1 Drain for drain outlet 2. Tsuba 3 Cylinder part 4 Inlet 5 Outlet 6 Pipe members 10 Support member 11 Spring part 12 Cutout 13 Leading edge 14 Trailing edge 15 Lower edge 16 Protrusion 17 Support part 21 Horizontal 22 Vertical section 23 Through hole 30 Drain 31 Drain for existing drain outlet 40 Drain strainer 41 Main Unit 42 Main Unit 43 Rotation axis 44 Water vent 45 Locking hole 46 Insertion hole

Claims

1. A support member that is attached to a drain for use in repairing an existing drain provided at a drain outlet and supports a drain strainer, The drain for the drain outlet comprises a flange portion in which a through hole is formed, and a cylindrically configured tubular portion that is placed inside the drain outlet, one end of the tubular portion is connected to the through hole portion of the flange portion, and the tubular portion and the flange portion are configured as an integral unit, the through hole of the flange portion is configured as an inlet through which the inflowing wastewater flows, and the other end of the tubular portion is configured as an outlet through which the inflowing wastewater flows out, The support member is a spring portion configured such that a portion of the cylindrical circumferential surface is cut out from one end to the other end in the axial direction, and configured to be elastically deformable so that the width of the cutout portion in the circumferential direction can be narrowed and widened; a cutout portion formed by a cutout portion of the spring portion; A support portion that supports the drain outlet strainer; Equipped with The spring portion presses the inner surface of the cylindrical portion of the drain outlet drain within the cylindrical portion, thereby maintaining the drain outlet drain attached to the drain outlet drain. Support member.

2. The flange portion of the drain for the drain outlet includes the horizontal portion and a vertical portion extending upward from an end of the horizontal portion, and the cylindrical portion is configured to extend from the vertical portion of the flange portion to a side opposite to the side on which the horizontal portion is disposed, the cutout portion is disposed in a lower portion of the spring portion and is located near a lower portion of the tubular portion of the drain outlet drain when the support member is attached to the drain outlet drain. The support member of claim 1 .

3. The spring portion is made of a plate-like member thinner than the thickness of the cylindrical portion of the drain outlet drain. The support member of claim 2 .

4. The support portion is located above and in front of the inlet of the drain outlet drain when the support member is attached to the drain outlet drain. The support member according to claim 2 or claim 3.

5. The support portion supports the drain strainer by engaging with the support portion. The support member of claim 4 .

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