Drain socket

Abstract

To provide a drain socket capable of relaxing conditions and restrictions of an installation position of a toilet bowl body.SOLUTION: The flange portion 26 of the water drainage socket 20 includes a side flange side 26aa having a screw fixing hole side 26a for connecting to the bottom surface 5 with a screw, the side flange side 26b being located on both sides of the bent portion 24 in a direction orthogonal to a direction in which the horizontal pipe portion 22 extends, and a front flange side wall located on a side opposite to the horizontal pipe portion 22. Two of the vertical ribs 28 are provided so as to extend in the direction orthogonal to the direction in which the horizontal pipe part 22 extends and so as to face each other on the side 26a of both side flanges, and the screw fixing hole side 26aa is provided on the front side of the vertical rib 28 provided so as to extend in the direction orthogonal to the direction in which the horizontal pipe part 22 extends.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present invention relates to a drain socket that connects an outlet of a toilet body to a drain opening opened in a floor surface. [Background technology]

[0002] In conventional Western-style toilet devices, when the toilet body is installed so that the outlet of the toilet body (trap) is spaced apart in a plane from the drain opening opened on the floor, a drain socket is used to take this distance into consideration (see, for example, Patent Document 1).

[0003] The flanges of this type of drain socket, which are provided to protrude around the bent portion of the drain outlet connection part, have a generally circular planar outline. For example, the same is true in the device disclosed in Patent Document 1, where the side flanges located on both sides of the bent portion and the front flange located in front of the bent portion have approximately the same protruding dimensions from the bent portion. Note that the side flanges have screw fixing holes, but no screw fixing holes are provided in front of the bent portion.

[0004] The reason why the front flange of the flange part protrudes in the same way as the side flanges, even though it does not have screw fixing holes, is to ensure that it covers the floor flange with an insertion part that is separate from the drain socket body and is attached directly to the drain outlet. Also, considering this double structure, it is possible to provide screw fixing holes even in the front flange that protrudes greatly. Incidentally, providing such a floor flange can compensate for misalignment between the outlet on the bent part and the drain outlet on the floor, but for this reason too, the front flange needs to protrude greatly. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Application Laid-Open No. 2014-181441 Summary of the Invention [Problem to be solved by the invention]

[0006] When using a drain socket like the one described above, it is naturally necessary to hide the connection between the drain socket's drain port connector and the drain port with the peripheral wall of the toilet body. Therefore, the toilet body must be installed so that the front flange of the flange part is also covered by the peripheral wall. In other words, if the front flange protrudes significantly, the toilet body must be installed so that the front end of the peripheral wall is located forward of the tip of the front flange.

[0007] In other words, the more the front flange protrudes, the farther the toilet body must be installed from the rear wall of the toilet room, which imposes strict conditions and restrictions on the installation location of the toilet body, and may make it impossible to accommodate renovations.

[0008] The present invention has been proposed in consideration of the above circumstances, and its object is to provide a drain socket that can ease the conditions and restrictions on the installation position of the toilet body. [Means for solving the problem]

[0009] In order to achieve the above object, the drain socket of the present invention is a drain socket that connects an outflow outlet of a toilet body and a drain outlet opened in a floor surface, and comprises a toilet connection part that is connected to the outflow outlet, a drain outlet connection part that is connected to the drain outlet, and a horizontal piping part that connects the toilet connection part and the drain outlet connection part, and the drain outlet connection part comprises a bent part that is arranged to extend from the end of the horizontal piping part, a drain outlet insertion part that is attached to the drain outlet and extends in a cylindrical shape so that the inside of the bent part is connected to the bent part, and a flange part that is installed on the floor surface and protrudes in the circumferential direction at the boundary on the outer surface side between the bent part and the drain outlet insertion part, and the flange The section includes side flanges located on both sides of the bent section in a direction perpendicular to the extension direction of the horizontal piping section, and having screw fixing holes for connecting with screws to the floor surface, and a front flange located on the opposite side of the horizontal piping section, and a plurality of vertical ribs are provided along the circumferential direction at the inside corner between the flange section and the bent section, two of the vertical ribs are provided so as to extend in a direction perpendicular to the extension direction of the horizontal piping section and to face each other on both side flanges, and the screw fixing holes are provided forward of the vertical ribs provided so as to extend in a direction perpendicular to the extension direction of the horizontal piping section. [Effects of the Invention]

[0010] Since the drain socket of the present invention has the above-described configuration, the conditions and restrictions on the installation position of the toilet body can be relaxed. [Brief explanation of the drawings]

[0011] [Figure 1] 1A is a vertical cross-sectional view of a drain socket according to an embodiment of the present invention, FIG. 1B is a plan view of a drain outlet connection part of the drain socket, and FIG. 1C is a perspective view of the same. [Figure 2] FIG. 2 is a vertical cross-sectional view showing how the drain socket is installed in the Western-style toilet device. [Figure 3] FIG. 2 is a diagram for explaining the front end position of the drainage socket, and corresponds to the partial vertical cross section of FIG. 1(a). DETAILED DESCRIPTION OF THE INVENTION

[0012] An embodiment of the present invention will be described below with reference to the accompanying drawings. First, the basic configuration of the drain socket 20 will be described. In the following description, directions such as front-to-back, up-down, etc. will be defined based on the toilet device 1 to which the drain socket 20 is attached.

[0013] As shown in Figures 1 and 2, the drain socket 20 connects the outlet 13 of the toilet body 10 to the drain outlet 7 opened in the floor surface 5. It is equipped with a toilet connection part 21 connected to the outlet 13, a drain outlet connection part 23 connected to the drain outlet 7, and a horizontal piping part 22 connecting the toilet connection part 21 and the drain outlet connection part 23.

[0014] The drain outlet connection portion 23 is configured to include a bent portion 24, a drain outlet insertion portion 25, and a flange portion 26. The bent portion 24 is arranged to extend from the end of the horizontal piping portion 22, and the drain outlet insertion portion 25 is a portion that is inserted into and attached to the drain outlet 7, and extends cylindrically so that the interior is in communication with the bent portion 24. The outer shape of this drain outlet insertion portion 25 is tapered downward by changing the thickness of the pipe. In addition, the flange portion 26 is a portion that is installed on the floor surface 5, as shown in Figures 1(b) and (c), and protrudes circumferentially at the outer boundary between the bent portion 24 and the drain outlet insertion portion 25.

[0015] The flange portion 26 includes at least side flanges 26a having screw fixing holes 26aa located on both sides of the bent portion 24 in a direction perpendicular to the extension direction of the horizontal piping portion 22, and a front flange 26b located on the opposite side from the horizontal piping portion 22. The degree of protrusion of the front flange 26b is set to be smaller than the degree of protrusion of the side flanges 26a.

[0016] 2, the toilet device 1 to which the drain socket 20 is attached comprises the toilet body 10 and a peripheral wall 15 that surrounds the toilet body 10. The toilet body 10 comprises a bowl 11 that is shaped like a mortar with a narrowed bottom, a trap 12 connected to an outlet 11a on the bottom side of the bowl 11, a toilet seat (not shown), and a toilet lid (not shown).

[0017] This trap 12 is of the mechanically operated type and has a cylindrical bellows structure so that it can be switched between a water-sealing position (upper position) and a water-draining position (lower position), as shown by the two-dot chain arrow in Figure 2. This trap 12 is arranged inside a trap case 14, and wastewater discharged from an outlet 12a of the trap 12 is discharged from the lower end opening of the trap case 14 (outlet 13 of the toilet body 10). This outlet 13 is cylindrical and is connected to the drain inlet 21a of the drain socket 20.

[0018] The peripheral wall 15 of the toilet body 10 is arranged around the bowl 11 and the trap 12 so as to hide them.

[0019] The peripheral wall 15 is also arranged to surround the drain outlet 7. The drain outlet 7 is located forward of the outlet 13 of the toilet body 10 and below the front part of the bowl 11. The drain outlet insertion portion 25 of the drain outlet connection portion 23 of the drain socket 20 is connected to the drain outlet 7. Therefore, the drain socket 20, which is arranged to connect the outlet 13 of the toilet body 10 and the drain outlet 7, is also hidden by the peripheral wall 15.

[0020] The toilet apparatus 1 in which this drain socket 20 can be installed is not limited to one with a mechanically operated trap 12 as shown in Figure 2, but can also be applied to toilet apparatuses with fixed traps. This type of drain socket 20 can be used as long as the drain outlet 7 provided in the floor surface 5 and the outlet 13 of the toilet body 10 are separated in the front-to-rear direction.

[0021] Next, the detailed structure of the drain socket 20 and the relationship between the drain socket 20 and the toilet device 1 will be described in detail with reference to FIGS.

[0022] As described above, the drain socket 20 includes the toilet connection part 21, the horizontal piping part 22, and the drain port connection part 23, but in this embodiment it is composed of three separable parts that are different from the divisions of these parts. Specifically, the drain socket 20 is composed of three parts: a first component 31, a second component 32, and an adjustment connector 33.

[0023] 1(a), the first component 31 is a member formed by integrating the toilet connection part 21 having the drain inlet part 21a and a cylindrical part 31a that is a part of the horizontal piping part 22 on the toilet connection part 21 side. An installation base part 31c is integrally formed below the drain inlet part 21a of the first component 31 to allow the first component 31 to be stably installed on the floor surface 5.

[0024] The second component 32 is a member corresponding to the drain port connector 23 that is connected to the horizontal piping section 22 (see Figures 1(b) and (c)), and for this purpose, the toilet side is provided with a toilet side opening 32a that is larger in diameter than the main cylindrical part of the drain port connector 23. The lower part of the outer surface of this toilet side opening 32a is formed thick to allow for height adjustment.

[0025] The adjustment connector 33 is a cylindrical member for connecting the adjustment connector 33 itself between the first component 31 and the second component 32, thereby forming the horizontal piping section 22 with the cylindrical section 31a of the first component 31 and the adjustment connector 33. It is desirable that the inner bottom surface of the horizontal piping section 22 be provided with a water gradient for drainage.

[0026] The adjustment connector 33 has a large diameter portion 33a and a small diameter portion 33b, and the large diameter portion 33a is connected to the drain side opening 31b of the tubular portion 31a of the first component 31 so as to fit over the outside. The small diameter portion 33b is connected to the toilet side opening 32a of the second component 32 so as to fit over the inside.

[0027] The drain socket 20 is a component that connects the position of the trap 12 in the drain position (the position of the drain inlet 21a of the toilet connection part 21) to the drain outlet 7 in the front-to-rear direction, so the overall length of the drain socket 20 needs to roughly match the distance between the drain position and the position of the drain outlet 7. To achieve this length, the small diameter part 33b can be cut to adjust its length. Note that the drain socket 20 may not necessarily be configured using such an adjustment connector 33. For example, the drain socket 20 may be configured to connect two members (e.g., a first component 31 and a second component 32) or four members (e.g., a first component 31 and a second component 32 and two adjustment connectors 33).

[0028] The drain outlet connection part 23 corresponding to the second component 32 includes a toilet side opening 32a, a bent part 24, a drain outlet insertion part 25, and a flange part 26. The interior is connected from the toilet side opening 32a via the bent part 24 to the drain outlet insertion part 25.

[0029] The drain socket 20 is positioned properly by inserting and attaching this drain insertion part 25 into the drain 7 and aligning the drain inlet part 21a of the rear toilet connection part 21 with the position of the outlet 13 (the opening at the bottom end of the trap case 14) of the toilet body 10 (see Figures 1(a) and 2). When the drain socket 20 is correctly installed in this way, the back surface of the flange part 26 abuts against the floor surface 5.

[0030] 1(b), the flange portion 26 has two side flanges 26a located on both sides of the bent portion 24, i.e., on both sides in the direction perpendicular to the longitudinal direction (the direction of drainage flow) of the horizontal piping portion 22, and a front flange 26b located in front of the bent portion 24. The rear portion of the flange portion 26 corresponds to the lower outer surface of the toilet-side opening 32a.

[0031] 1(b), side flanges 26a have a curved or polygonal outer shape in a plan view, protruding like wings on both sides of bent portion 24. Each of side flanges 26a has two screw fixing holes 26aa aligned front to back so as to roughly follow the shape of the outer edge, for connecting to floor surface 5 with screws.

[0032] On the other hand, front flange 26b protrudes so that its outer shape is a substantially circular arc, with both ends of the arc positioned inward of the outer edges of side flanges 26a (in the direction in which the outer edges approach each other) and at obtuse-angled bend 26ba with front end edges 26ab of side flanges 26a.

[0033] In other words, front flange 26b has a notched shape so that the front ends of the outer edges of side flanges 26a are not bent and extend forward, rearward of imaginary curved line 27 (two-dot chain line in FIG. 1(b)) that connects the front ends of the outer edges of front flanges 26b in a concentric arc with front flange 26b. In other words, front flange 26b does not have the portions of side flange 26a where two screw fixing holes 26aa are provided that extend forward, and front flange 26b does not have any holes for fixing with screws.

[0034] By giving the front flange 26b this shape, the dimension A from the center X of the drain outlet 7 (see Figure 1(b)) to the outer edge is sufficiently smaller than the dimension B from the center X of the drain outlet 7 to the outer edge of the side flange 26a (see Figure 1(b)). In other words, the front end position C where the center line of the drain socket 20 in a plan view intersects with the outer edge of the arc-shaped front flange 26b is located rearward of the front end position D where the center line intersects with the imaginary curved line 27 (see Figure 1(b)).

[0035] 3 is a schematic vertical cross-sectional view comparing front end position C (the drain socket 20) with front end position D (the drain socket 200 corresponding to front end position D). The peripheral wall 15 of the toilet apparatus 1 needs to be installed so that the lower end of its front end portion 15a is located further forward than front end positions C and D. Therefore, if the distance between front end positions C and D and the front end portion 15a of the peripheral wall 15 is the same, the front end portion 15a in the case of front end position C will be further rearward than the front end portion 15a in the case of front end position D.

[0036] In other words, by making the degree to which the front flange 26b protrudes forward smaller than the degree to which the side flanges 26a protrude, as shown in Figure 1(b), the entire toilet apparatus 1 can be brought closer to the rear wall (not shown) of the toilet room. In other words, by making the flange portion 26 of the drain outlet connection portion 23 of the drain socket 20 shaped as shown in Figure 1(b), the conditions and restrictions on the installation position of the toilet body 10, i.e., the toilet apparatus 1, are reduced, leading to increased freedom in the installation position.

[0037] Furthermore, the back surface of flange portion 26 (the surface on the drain port insertion portion 25 side) is substantially flat except for screw fixing holes 26aa provided in side flange 26a. Therefore, if drain socket 20 is positioned appropriately, substantially the entire flange portion 26 will be in close contact with floor surface 5. This allows drain socket 20 to be installed stably.

[0038] Furthermore, since the drain outlet insertion portion 25 is fitted into the drain outlet 7 and the flange portion 26 is in close contact with the floor surface 5, the drain outlet connection portion 23 of the drain socket 20 can be prevented from shifting or tilting, and leakage of drainage water can also be prevented.

[0039] Furthermore, because the drain outlet insertion portion 25 is formed integrally with the drain outlet connection portion 23 as part of the drain socket 20, there is no need for a separate floor flange used in attaching conventional drain sockets. Therefore, it is necessary to form the drain outlet insertion portion 25 so that there is no dimensional error relative to the drain outlet 7. However, in this embodiment, the drain outlet insertion portion 25 has a tapered shape that narrows downward, so it can be securely attached to the drain outlet 7 even if there is some error.

[0040] Because the drain socket 20 has this structure, there is no problem even if screws are not used to fasten the front flange 26b of the flange portion 26. In other words, there is no problem with the installation strength of the drain socket 20 when the degree of protrusion of the front flange 26b is made smaller than the degree of protrusion of the side flange 26a.

[0041] In the embodiment described above, the front flange 26b of the flange portion 26 is arc-shaped. However, other shapes are also acceptable, and various shapes are acceptable as long as the degree of protrusion is small, i.e., the front end position C (see FIG. 1(b)) is as far rearward as possible. For example, the front flange 26b may be shaped like a straight line connecting the two bent portions 26ba in FIG. 1(b) with the front side cut away. Furthermore, the front flange 26b may not be substantially formed as long as the drain port insertion portion 25 is securely attached and fixed to the drain port 7 within its vertical dimensions (within the range of the tapered surface). In other words, the protruding dimension of the front flange 26b may be 0 (zero). The drain port insertion portion 25 may not be tapered, but may be a tubular body with a constant outer diameter.

[0042] 1(b) and other figures, a plurality of vertical ribs 28, triangular in side view, are formed along the circumferential direction at the inside corner between the bent portion 24 and the flange portion 26. These vertical ribs 28 reinforce the flange portion 26 and prevent breakage. In particular, at the front side, the front flange 26b protrudes only slightly, so the vertical ribs 28 can improve strength. [Explanation of symbols]

[0043] 1 Toilet equipment 5. Floor 7 Drain port 10 Toilet bowl body 13 Outlet 5. Floor 7 Drain port 20 drain socket 21 Toilet connection 22 Horizontal piping section 23 Drainage outlet connection 24 Bend 25 Drain insertion part 26 Flange 26a Side flange 26aa Screw fixing hole 26b Front flange 28 Vertical ribs

Claims

1. A drain socket that connects the outlet of the toilet body to a drain opening on the floor, a toilet connection part connected to the outlet, a drain outlet connection part connected to the drain, and a horizontal piping part connecting the toilet connection part and the drain outlet connection part, The drain outlet connection portion includes a bent portion arranged to extend from the end of the horizontal piping portion, a drain outlet insertion portion that extends cylindrically so that the inside is connected to the bent portion and is attached to the drain outlet, and a flange portion that is installed on the floor surface and protrudes circumferentially at the outer boundary between the bent portion and the drain outlet insertion portion, The flange portion includes side flanges having screw fixing holes for connecting with screws to a floor surface, the side flanges being located on both sides of the bent portion in a direction perpendicular to the extension direction of the horizontal piping portion, and a front flange located on the opposite side of the horizontal piping portion, a plurality of vertical ribs are provided along a circumferential direction at the inside corner between the flange portion and the bent portion, and two of the vertical ribs are provided so as to extend in a direction perpendicular to the extension direction of the horizontal piping portion and to face each other on both of the side flanges; A drain socket characterized in that the screw fixing hole is located forward of the vertical rib, which is arranged to extend in a direction perpendicular to the direction in which the horizontal piping section extends.

2. In claim 1, The front end edges of the two side flanges are formed along a direction perpendicular to the direction in which the horizontal piping section extends, A drain socket characterized in that the front flange is formed between the front end edges of the two side flanges so that the bending angles of the bending portions between each of the front end edges and the outer edge of the front flange form obtuse angles and protrude forward.

3. In claim 1 or 2, A drain socket characterized in that the screw fixing hole is located forward of the center of the drain outlet when the drain outlet connection portion is connected to the drain outlet.

4. In claim 2 or 3, A drain socket characterized in that the front edge forms a line segment.

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