JP2010007286A - Toilet bowl drain outlet connecting structure - Google Patents

Abstract

[PROBLEMS] To provide a toilet drain connection structure that can cope with several types of drain pipes having different inner diameters regardless of the state of construction of the drain pipe and prevent an adapter from falling into the drain pipe.
In a toilet drain connection structure, a floor flange (5) includes a cylindrical vertical connection cylinder part (7) and a cover piece (8) extending outward and downward from the upper end of the vertical connection cylinder part (7), and an adapter (6) is cylindrical. Is provided in the cover piece 8 of the floor flange 5, and an inner peripheral connection portion 9 is provided on the inner periphery to which the vertical connection cylinder portion 7 of the floor flange 5 is fitted, and the upper end portion of the drain pipe 4 is fitted on the outer periphery. A plurality of drain pipe connection portions 10 having different inner diameters can be provided, and the drain port 2 of the toilet 1 is inserted into the vertical connection cylinder portion 7 of the floor flange 5, and the adapter 6 is fitted in the vertical connection cylinder portion 7 of the floor flange 5. By changing the height, the drain pipe connecting portion 10 of the adapter 6 suitable for the inner diameter of the drain pipe 4 is fitted to the upper end portion of the drain pipe 4.
[Selection] Figure 1

Description

  The present invention relates to a toilet drainage connection structure in which a drainage port of a toilet bowl and an upper end portion of a drainage pipe opened to a floor surface are connected by a floor flange and an adapter.

  Currently, hard vinyl chloride pipes are widely used as drainage pipes for Western-style toilets. These hard vinyl chloride pipes include VP75 shown in FIG. 13 (a), VU75 shown in FIG. 13 (b), and FIG. There are four types, VP100 shown in (c) and VU100 shown in FIG. Here, VP75 has an outer diameter of 89 mmφ and an inner diameter of 77 mmφ, VU75 has an outer diameter of 89 mmφ and an inner diameter of 83 mmφ, VP100 has an outer diameter of 114 mmφ and an inner diameter of 100 mmφ, and VU100 has an outer diameter of 114 mmφ and an inner diameter of Is 107 mmφ. And in the recent construction, as shown to Fig.13 (a)-(d), it is the mainstream to cut | disconnect the drain pipes 4a-4d flatly on the floor surface 3. FIG. On the other hand, in the old construction, as shown in FIGS. 14A to 14D, the drain pipes 4a to 4d are cut off by protruding from the floor surface 3. 14A to 14D show drain pipes 4a to 4d corresponding to FIGS. 13A to 13D, respectively.

  Conventionally, as shown in Japanese Patent Application Laid-Open No. 7-42219, a toilet drain outlet connection structure is known in which a toilet drain and an upper end of a drain pipe opened to the floor are connected by a floor flange and an adapter. . In this toilet drain connection structure, as shown in FIGS. 15C and 15D, an inner peripheral connection portion 9 into which the vertical connection cylinder portion 7 of the floor flange 5 is inserted and fitted is provided on the inner periphery of the adapter 6. A large-diameter drain pipe connecting portion 10a on which the upper end of the drain pipe 4d can be fitted and fitted on the outer periphery of the adapter 6 and a small-diameter drain pipe connecting portion 10c on which the upper end of the drain pipe 4c can be fitted and fitted. It is arranged stepwise up and down.

  Further, as shown in FIGS. 15A and 15B, a large-diameter fitting portion 21 on which the upper end portion of the drain pipe 4b can be fitted and fitted to the outer periphery of the vertical connecting cylinder portion 7 of the floor flange 5, A small-diameter fitting portion 22 on which the upper end portion of the drain pipe 4a can be fitted and fitted is arranged in a stepwise manner up and down.

Furthermore, in another embodiment shown in Japanese Patent Application Laid-Open No. 7-42219, as shown in FIG. 16 (d), the adapter 6 is formed in a double cylinder shape, and an outer cylinder is formed by a cleavable flange portion 26. A large-diameter drainage pipe connecting portion 10a that is separated into a portion 23 and an inner cylinder portion 24 and on which the upper end portion of the drainage pipe 4d can be fitted and fitted is provided on the outer periphery of the outer cylinder portion 23. In this case, when the outer cylindrical portion 23 of the adapter 6 is cut and removed at the flange piece portion 26, the upper end portion of the drain pipe 4b is fitted and fitted to the outer periphery of the inner cylindrical portion 24 as shown in FIG. 16 (b). It becomes the small diameter drainage pipe connection part 10c to obtain. Then, as shown in FIG. 16 (c), the outer cylinder portion 23 has a cylindrical auxiliary adapter 25 whose inner diameter is the same as the small-diameter drain pipe connecting portion 10c of the adapter 6 and whose outer diameter is the same as the inner diameter of the drain pipe 4c. When fitted to the outer periphery of the inner cylinder portion 24 of the adapter 6 that has been cut and removed, the outer periphery of the auxiliary adapter 25 becomes an intermediate-diameter drain pipe connecting portion 10b to which the upper end of the drain pipe 4c can be fitted. Moreover, as shown to Fig.16 (a), the outer periphery of the perpendicular | vertical connection cylinder part 7 of the floor flange 5 can be fitted and fitted with the upper end part of the drain pipe 4a, without interposing the adapter 6. FIG.
JP 7-42219 A

  However, in the former example of the conventional example, as shown in FIGS. 15C and 15D, the installation height of the floor flange 5 with respect to the floor surface 3 changes in the drain pipe 4c and the drain pipe 4d. Construction was difficult.

  Further, in the latter case of the above conventional example, as shown in FIG. 16C, it is necessary to provide an auxiliary adapter 25 or to cut the adapter 6, which increases management costs and causes construction errors. It was a thing.

  Furthermore, in both of the above conventional examples, since it is premised on the connection with the drainage pipes 4a to 4d in the recent construction state, when connecting to the drainage pipes 4a to 4d in the old construction state, the drainage pipe 4a at the time of construction. The work of cutting ~ 4d so as to be flat with the floor surface 3 was forced.

  In addition, in the toilet drainage connection structure shown in FIGS. 15 (d) and 16 (d), the adapter 6 may come off from the outer periphery of the vertical connection cylinder portion 7 of the floor flange 5 and fall into the drain pipe 4d. It was.

  The present invention has been made in view of the above-described background art, and its purpose is to cope with several types of drain pipes having different inner diameters regardless of the state of construction of the drain pipe, and the adapter falls into the drain pipe. It is providing the toilet drain connection structure which prevents this.

  In order to solve the above-mentioned problem, the invention according to claim 1 of the present application is directed to a toilet drain outlet connection structure in which a drain outlet of a toilet bowl and an upper end portion of a drain pipe opened to the floor surface are connected by a floor flange and an adapter. Has a cylindrical vertical connecting cylinder and a cover piece extending outward and downward from the upper end of the vertical connecting cylinder, and the adapter is cylindrical and fits within the floor flange cover piece, and the floor flange is vertically connected to the inner periphery. Provided with an inner periphery connection part to which the cylinder part is fitted, and a plurality of drain pipe connection parts with different inner diameters that can be fitted and fitted to the outer periphery on the outer periphery in a stepped manner so that the smaller the inner diameter, the lower the position. The drain outlet of the toilet is inserted into the vertical connection cylinder part of the floor flange, and the adapter's drain pipe connection part suitable for the inner diameter of the drain pipe is changed by changing the fitting height of the adapter in the vertical connection cylinder part of the floor flange. On the drain pipe It is to be fitted to parts.

  The invention described in claim 2 of the present application is the drainage pipe connection part provided in a stepped manner in the adapter for connecting a toilet drainage pipe according to claim 1 above, wherein an annular groove that opens below the adapter and accommodates the upper end of the drainage pipe is provided. Among these, it is provided so as to be connected to the drain pipe connecting portion having the smallest diameter.

  The invention according to claim 3 of the present application is the toilet drainage pipe connection adapter according to claim 1, wherein the drainage pipe connection portion having the minimum diameter is provided above the adapter, and is opened above the adapter to connect the drainage pipe with the minimum diameter. An annular groove is provided so as to be connected to the section, and the adapter is used upside down, so that the upper end portion of the drain pipe is fitted in the annular groove.

  Invention of Claim 4 of this application WHEREIN: The toilet drain pipe connection adapter as described in any one of the said Claim 1 thru | or 3 WHEREIN: The adapter was comprised with the resin material containing the microcapsule in which the adhesive agent was included. It is said.

  The invention according to claim 5 of the present application is characterized in that, in the toilet drain pipe connection adapter according to any one of claims 1 to 3, the inner peripheral connection portion of the adapter is formed of an elastic body.

  The invention described in claim 6 of the present application is the toilet drain pipe connection adapter according to any one of claims 1 to 3, wherein the outer periphery of the vertical connection cylinder portion of the floor flange and the inner periphery connection portion of the adapter are screwed together. It is characterized by having a screw structure that fits together.

  In the toilet drain connection structure according to the first aspect of the present invention, the drain pipe connection portion having a different inner diameter that the upper end portion of the drain pipe can be fitted and fitted to the outer periphery of the adapter is positioned lower as the inner diameter is smaller. By providing a plurality of staircases, it is possible to deal with several types of drain pipes (VP75, VU75, VP100, VU100) having different inner diameters with a single adapter in addition to the floor flange. In addition, since the installation height of the floor flange is not changed and the processing for cutting the adapter is unnecessary, the construction is facilitated, the production efficiency is improved, and the mistakes during the construction are reduced. Furthermore, since the drain pipe connection part of the adapter suitable for the inner diameter of the drain pipe is fitted to the upper end part of the drain pipe, it is possible to prevent the adapter from coming off the floor flange and falling into the drain pipe. Moreover, since the height of the drain pipe end surface protruding from the floor surface can be absorbed in the space sandwiched between the vertical connection cylinder part of the floor flange, the cover piece and the floor surface, the drain pipe end surface is flat on the floor surface. In addition to the drainage pipe in the construction state, the drainage pipe in the old construction state in which the end face of the drainage pipe protrudes from the floor surface can be handled.

  In the toilet drain connection structure of the present invention according to claim 2, in particular, by providing an annular groove that opens below the adapter, the height of the drain pipe protruding from the floor surface can be absorbed by the annular groove. The height of the flange can be kept low.

  In the toilet drain connection structure according to the third aspect of the present invention, in particular, by providing an annular groove that opens above the adapter, the thickness of the outer peripheral side of the annular groove increases, and the adapter is used upside down. This increases the area of contact between the floor and the adapter, allowing the adapter to be stably fixed. Further, it can withstand the pushing pressure when the drain pipe is placed in the annular groove.

  In the toilet drain connection structure of the invention of claim 4 of the present application, in particular, the adapter is made of a resin material including a microcapsule in which an adhesive is encapsulated, so that the microcapsule subjected to the pressing pressure is bonded at the time of connection. Since the agent oozes out, the vertical connection cylinder part of the floor flange and the inner peripheral connection part of the adapter, the upper end part of the drain pipe and the drain pipe connection part of the adapter can be securely adhered to prevent leakage of filth and odor. it can.

  In the toilet drain connection structure of the invention according to claim 5 of the present application, in particular, the inner peripheral connection portion of the adapter is made of an elastic body, so that the vertical connection cylinder portion of the floor flange and the inner peripheral connection portion of the adapter are surely secured. It is possible to prevent leakage of filth and bad odor.

  In the toilet drain connection structure according to the sixth aspect of the present invention, in particular, the floor flange is constituted by a screw structure in which the outer periphery of the vertical connection cylinder portion of the floor flange and the inner periphery connection portion of the adapter are screwed together. The vertical connection tube portion and the inner peripheral connection portion of the adapter can be securely adhered to each other, and leakage of filth and odor can be prevented. Moreover, the fitting height of the adapter in the vertical connection cylinder part of the floor flange can be reliably fixed.

  1 to 5 show a toilet drainage connection structure according to a first embodiment of the present invention. As shown in FIG. 1, this toilet drainage connection structure is a toilet drainage connection structure in which a drainage port 2 of a toilet 1 and an upper end portion of a drainage pipe 4 that opens to a floor surface 3 are connected by a floor flange 5 and an adapter 6. The floor flange 5 includes a cylindrical vertical connecting cylinder portion 7 and a cover piece 8 extending outwardly and downwardly from the upper end of the vertical connecting cylinder portion 7, and the adapter 6 has a cylindrical shape inside the cover piece 8 of the floor flange 5. A drain pipe connecting portion having a different inner diameter that can be fitted and fitted with an upper end portion of the drain pipe 4 on the outer periphery. 10 is provided in a step-like manner so that the smaller the inner diameter is, the drain port 2 of the toilet 1 is inserted into the vertical connection cylinder 7 of the floor flange 5, and the vertical connection cylinder 7 of the floor flange 5 By changing the fitting height of the adapter 6, the inside of the drain pipe 4 Drainage pipe connecting portion 10 of the adapter 6 suitable forms as fitted to the upper end of the drainage tube 4.

  Hereinafter, the toilet drain connection structure of this embodiment will be described in more detail. As shown in FIG. 3, the toilet 1 installed on the floor surface 3 of the toilet includes a drain port 2 for discharging sewage therein. By connecting the drain port 2 and the upper end of the drain pipe 4 that opens to the floor surface 3 with the floor flange 5 and the adapter 6, the sewage from the drain port 2 is discharged into the drain pipe 4.

  As shown in FIG. 2, the floor flange 5 includes a vertical connecting cylinder portion 7 having a cylindrical shape and a cover piece 8 extending outward and downward from the upper end of the vertical connecting cylinder portion 7. The cover piece 8 includes a horizontal holding part 17 that extends outward from the upper end of the vertical connecting cylinder part 7, a vertical holding part 18 that hangs downward from the end of the horizontal holding part 17, and a vertical holding part 18 It consists of a flange portion 19 projecting outward from the lower end, and the floor flange 5 is integrally formed of synthetic resin. The floor flange 5 is fixed to the floor surface 3 by a flange portion 19.

  As shown in FIG. 2, the adapter 6 is integrally formed of a synthetic resin into a cylindrical shape as a whole and fits in the cover piece 8 of the floor flange 5. And the inner periphery connection part 9 by which the vertical connection cylinder part 7 of the floor flange 5 is fitted to an inner periphery is provided, and the large diameter drain pipe connection part 10a with which the upper end part of the drain pipe 4 can be fitted and fitted to the outer periphery; An intermediate-diameter drainage pipe connection portion 10b and a small-diameter drainage pipe connection portion 10c are provided, and the drainage pipe connection portion 10 having a smaller inner diameter is arranged in a stepped manner so as to be positioned below.

  Next, a method of connecting the drain port 2 of the toilet 1 and the upper ends of the drainage pipes 4a to 4d in the recent construction state using the floor flange 5 and the adapter 6 of the present embodiment will be described. As shown in FIG. 4A, the upper end of the drain pipe 4a of the VP75 standard is fitted to the outer periphery of the vertical connection cylinder portion 7 of the floor flange 5, and the drain port 2 is perpendicular to the floor flange 5. It is inserted into the connecting cylinder 7 and connected. As shown in FIG. 4 (b), the upper end portion of the VU 75 standard drain pipe 4 b is fitted into a small-diameter drain pipe connecting portion 10 c disposed on the outer periphery of the adapter 6. The inner peripheral connection portion 9 of the adapter 6 is fitted to the outer periphery of the vertical connection cylinder portion 7 of the floor flange 5. Then, the drain port 2 is inserted into the vertical connection cylinder portion 7 of the floor flange 5, and the upper end portion of the drain pipe 4 b is connected to the drain port 2. Similarly, as shown in FIGS. 4C and 4D, the upper end portion of the drain pipe 4c of the VP 100 is fitted to the intermediate diameter drain pipe connecting portion 10b, and the upper end portion of the drain pipe 4d of the VU 100 is a large diameter drain. The pipe connection part 10a is respectively fitted and connected to the drain port 2. In this case, the fitting height of the adapter 6 in the vertical connection cylinder portion 7 of the floor flange 5 changes according to the inner diameter of the drain pipe 4, and the smaller the inner diameter of the drain pipe 4, the higher the fitting height. This is because the drain pipe connecting portion 10 having a smaller inner diameter is arranged in a stepped manner so as to be positioned below the adapter 6. Therefore, by changing the fitting height of the adapter 6 in the vertical connection cylinder part 7 of the floor flange 5, the upper ends of the drain pipes 4b to 4d are fitted and fitted to the drain pipe connection parts 10a to 10c of the adapter 6 as appropriate. The

  In addition, after inserting and fitting the vertical connection cylinder part 7 of the floor flange 5 to the inner peripheral connection part 9 of the adapter 6, the drain pipe connection parts 10a to 10c of the adapter 6 are covered with the upper ends of the drain pipes 4b to 4d. Alternatively, after the drain pipe connection portions 10a to 10c of the adapter 6 are mounted on the upper end portions of the drain pipes 4b to 4d, the vertical connection cylinder portion 7 of the floor flange 5 is attached to the inner peripheral connection portion 9 of the adapter 6. May be inserted and fitted.

  Moreover, the method to connect the drain port 2 of the toilet bowl 1 and the upper end part of the drain pipes 4a-4d of an old construction state is demonstrated using Fig.5 (a)-(d). Here, FIGS. 5A to 5D correspond to FIGS. 4A to 4D, respectively. As shown in FIG. 5 (a), the upper end of the drain pipe 4a is fitted to the outer periphery of the vertical connection cylinder part 7 of the floor flange 5 in the same manner as the drain pipe 4a shown in FIG. 4 (a). Connected. In this case, since the upper end portion of the drain pipe 4a protruding from the floor surface 3 is accommodated in a space sandwiched between the vertical connecting cylinder portion 7, the cover piece 8, and the floor surface 3 of the floor flange 5, the installation height of the floor flange 5 is set. Is the same as FIG. As shown in FIG. 5 (b), the upper end of the drain pipe 4b is fitted and connected to the small-diameter drain pipe connecting portion 10c in the same manner as the drain pipe 4b shown in FIG. 4 (b). In this case, the fitting height of the adapter 6 in the vertical connection cylinder portion 7 of the floor flange 5 is increased by the height of the drain pipe 4b protruding from the floor surface 3. However, since the adapter 6 is housed in a space sandwiched between the vertical connection cylinder portion 7 of the floor flange 5, the cover piece 8, and the floor surface 3, the installation height of the floor flange 5 is the same as that in FIG. Similarly, as shown in FIGS. 5C and 5D, the upper end portion of the drain pipe 4c is fitted to the intermediate diameter drain pipe connection portion 10b, and the upper end portion of the drain pipe 4d is the large diameter drain pipe connection portion 10a. Are connected to each other. Also in this case, although the fitting height of the adapter 6 in the vertical connection cylinder portion 7 of the floor flange 5 is increased by the height of the drain pipes 4c and 4d protruding from the floor surface 3, the installation height of the floor flange 5 is This is the same as FIGS. 4C and 4D.

  Therefore, in addition to the floor flange 5, a single adapter 6 can correspond to four types of drain pipes 4a to 4d having different inner diameters. In addition, since the installation height of the floor flange 5 is not changed and the processing for cutting the adapter 6 is unnecessary, the construction is facilitated, the production efficiency is improved, and the mistakes during the construction are reduced. is there. Furthermore, since the drain pipe connecting portions 10a to 10c of the adapter 6 suitable for the inner diameters of the drain pipes 4b to 4d are fitted to the upper ends of the drain pipes 4b to 4d, the adapter 6 is detached from the floor flange 5 and drained. It can prevent falling in the pipe | tubes 4b-4d. In addition, since the height of the drain pipe end surface protruding from the floor surface 3 can be absorbed in the space sandwiched between the vertical connection cylinder portion 7 of the floor flange 5, the cover piece 8 and the floor surface 3, the drain pipe end surface is the floor surface 3. In addition to the drainage pipes 4a to 4d in the recent construction state which is the same as the above, the drainage pipes 4a to 4d in the old construction state in which the end face of the drainage pipe protrudes from the floor surface 3 can be handled.

  6 and 7 show a toilet drainage connection structure according to a second embodiment of the present invention. Here, only matters different from those in the first embodiment will be described, and other matters (configuration, operational effects, and the like) are the same as those in the first embodiment, and thus description thereof will be omitted. As shown in FIG. 6B, this toilet drainage connection structure is provided with an annular groove 11 that opens below the adapter 6 and accommodates the upper end of the drainage pipe 4b so as to be connected to the small-diameter drainage pipe connection part 10c. Yes.

  Next, a method of connecting the drain port 2 of the toilet 1 and the upper ends of the drainage pipes 4a to 4d in the recent construction state using the floor flange 5 and the adapter 6 of the present embodiment will be described. As shown in FIG. 6 (a), the upper end of the drain pipe 4a is connected in the same manner as in FIG. 4 (a). As shown in FIG. 6B, the upper end of the drain pipe 4b is fitted and connected to a small-diameter drain pipe connecting portion 10c disposed on the outer periphery of the adapter 6. In this case, the annular groove 11 is closed by the upper end portion of the drain pipe 4b. Moreover, the fitting height of the adapter 6 in the vertical connection cylinder part 7 of the floor flange 5 is the same as FIG. 4B, and the installation height of the floor flange 5 does not change. As shown in FIGS. 6C and 6D, the upper ends of the drain pipes 4c and 4d are connected in the same manner as in FIGS. 4C and 4D, respectively. Also in this case, the fitting height of the adapter 6 in the vertical connection cylinder portion 7 of the floor flange 5 is the same as that in FIGS. 4C and 4D, and the installation height of the floor flange 5 does not change.

  Moreover, the method of connecting the drain port 2 of the toilet bowl 1 and the upper end part of the drain pipes 4a-4d of an old construction state is demonstrated using Fig.7 (a)-(d). Here, FIGS. 7A to 7D correspond to FIGS. 6A to 6D, respectively. As shown in FIG. 7 (a), the upper end of the drain pipe 4a is connected in the same manner as in FIG. 5 (a). As shown in FIG. 7B, the upper end portion of the drain pipe 4b is housed in the annular groove 11, and is fitted and connected to the small-diameter drain pipe connecting portion 10c connected to the annular groove 11. In this case, since the height of the drain pipe 4b protruding from the floor surface 3 can be absorbed by the annular groove 11, the fitting height of the adapter 6 in the vertical connection cylinder portion 7 of the floor flange 5 is lower than that in FIG. The installation height of the floor flange 5 does not change. As shown in FIGS. 7C and 7D, the upper ends of the drain pipes 4c and 4d are connected in the same manner as in FIGS. 5C and 5D, respectively. Also in this case, the fitting height of the adapter 6 in the vertical connection cylinder portion 7 of the floor flange 5 is the same as in FIGS. 5C and 5D, and the installation height of the floor flange 5 does not change.

  Therefore, since the annular groove 11 opened below the adapter 6 is provided, the height of the drain pipe 4b protruding from the floor surface 3 can be absorbed by the annular groove 11, so that the height of the floor flange 5 is kept low. Can do.

  8 and 9 show a toilet drainage connection structure according to a third embodiment of the present invention. Here, only matters different from those in the first embodiment will be described, and other matters (configuration, operational effects, and the like) are the same as those in the first embodiment, and thus description thereof will be omitted. As shown in FIG. 8C, this toilet drainage connection structure is provided with a small-diameter drain pipe connection portion 10c above the adapter 6, and opens above the adapter 6 so as to be connected to the small-diameter drain pipe connection portion 10c. By providing the groove 11 and using the adapter 6 upside down, the upper end portion of the drain pipe 4 b is placed in the annular groove 11.

  Next, a method of connecting the drain port 2 of the toilet 1 and the upper ends of the drainage pipes 4a to 4d in the recent construction state using the floor flange 5 and the adapter 6 of the present embodiment will be described. As shown to Fig.8 (a), the upper end part of the drain pipe 4a is connected by the same method as Fig.4 (a). As shown in FIG. 8 (b), when the adapter 6 is used with its upper surface down, the upper end of the drain pipe 4b is fitted and connected to a small-diameter drain pipe connecting portion 10c provided above the adapter 6. . In this case, the annular groove 11 is closed by the upper end portion of the drain pipe 4b. Moreover, the fitting height of the adapter 6 in the vertical connection cylinder part 7 of the floor flange 5 is the same as FIG. 4B, and the installation height of the floor flange 5 does not change. Furthermore, since the wall thickness on the outer peripheral side of the annular groove 11 is larger than in FIG. 6B, the area where the floor surface 3 and the adapter 6 are in contact with each other increases. As shown in FIGS. 8 (c) and 8 (d), when the adapter 6 is used with its upper surface facing upward, the upper end of the drainage pipe 4c is fitted into the intermediate diameter drainage pipe connecting part 10b, and the upper end of the drainage pipe 4d. Are fitted and connected to the large-diameter drain pipe connecting portion 10a. In this case, the fitting height of the adapter 6 in the vertical connection cylinder portion 7 of the floor flange 5 is the height of the small-diameter drain pipe connection portion 10c provided above the adapter 6 from FIGS. 4 (c) and 4 (d). The height of the floor flange 5 does not change.

  Moreover, the method to connect the drain port 2 of the toilet bowl 1 and the upper end part of the drain pipes 4a-4d of an old construction state is demonstrated using Fig.9 (a)-(d). Here, FIGS. 9A to 9D correspond to FIGS. 8A to 8D, respectively. As shown to Fig.9 (a), the upper end part of the drain pipe 4a is connected by the same method as Fig.5 (a). As shown in FIG. 9B, when the adapter 6 is used with the upper surface down, the upper end portion of the drain pipe 4b is fitted in the annular groove 11 and is fitted into the small-diameter drain pipe connecting portion 10c connected to the annular groove 11. Connected. In this case, since the height of the drain pipe 4b protruding from the floor surface 3 can be absorbed by the annular groove 11, the fitting height of the adapter 6 in the vertical connection cylinder portion 7 of the floor flange 5 is lower than that in FIG. The installation height of the floor flange 5 does not change. Moreover, since the thickness of the outer peripheral side of the annular groove 11 is large compared with FIG.7 (b), it can endure the pushing pressure at the time of construction. As shown in FIGS. 9 (c) and 9 (d), when the adapter 6 is used with the upper surface facing upward, the upper end portion of the drain pipe 4c is fitted into the intermediate diameter drain pipe connecting portion 10b, and the upper end portion of the drain pipe 4d. Are fitted and connected to the large-diameter drain pipe connecting portion 10a. In this case, the fitting height of the adapter 6 in the vertical connection cylinder part 7 of the floor flange 5 is the height of the small diameter drain pipe connection part 10c provided above the adapter 6 from FIGS. 5 (c) and 5 (d). The height of the floor flange 5 does not change.

  Therefore, by providing the annular groove 11 that opens above the adapter 6, the wall thickness on the outer peripheral side of the annular groove 11 is increased. By using the adapter 6 upside down, the area of contact between the floor 3 and the adapter 6 is increased. The adapter 6 can be stably fixed. Further, it can withstand the pushing pressure when the drain pipe 4b is placed in the annular groove 11.

  FIG. 10 shows a toilet drainage connection structure according to a fourth embodiment of the present invention. Here, only matters different from those in the first embodiment will be described, and other matters (configuration, operational effects, and the like) are the same as those in the first embodiment, and thus description thereof will be omitted. In this toilet drainage connection structure, as shown in FIGS. 10A and 10B, the adapter 6 is composed of a resin material 14 including a microcapsule 13 in which an adhesive 12 is included.

  The adapter 6 is obtained by dispersing microcapsules 13 containing an adhesive 12 in a resin material 14 and integrally forming a synthetic resin into a cylindrical shape as a whole.

  Accordingly, since the adhesive 12 oozes out from the microcapsule 13 that has been subjected to the pressing pressure at the time of connection, the vertical connection cylinder 7 of the floor flange 5 and the inner peripheral connection 9 of the adapter 6, the upper end of the drain pipe 4 and the adapter 6 The drainage pipe connecting part 10 can be securely adhered, and leakage of filth and odor can be prevented.

  FIG. 11 shows a toilet drainage connection structure according to a fifth embodiment of the present invention. Here, only matters different from those in the first embodiment will be described, and other matters (configuration, operational effects, and the like) are the same as those in the first embodiment, and thus description thereof will be omitted. In the toilet drain connection structure, as shown in FIG. 11, the inner peripheral connection portion 9 of the adapter 6 is constituted by an elastic body 15.

  The adapter 6 is integrally molded into a cylindrical shape as a whole by simultaneously molding, for example, two colors of elastomer resin as the elastic body 15.

  Therefore, the vertical connection cylinder part 7 of the floor flange 5 and the inner peripheral connection part 9 of the adapter 6 can be brought into close contact with each other, and leakage of filth and bad odor can be prevented.

  FIG. 12 shows a toilet drain pipe connecting adapter according to a sixth embodiment of the present invention. Here, only matters different from those in the first embodiment will be described, and other matters (configuration, operational effects, and the like) are the same as those in the first embodiment, and thus description thereof will be omitted. As shown in FIG. 12, the toilet drain connection structure includes a screw structure 16 that screwes the outer periphery of the vertical connection cylinder portion 7 of the floor flange 5 and the inner periphery connection portion 9 of the adapter 6 together.

  Therefore, the vertical connection cylinder part 7 of the floor flange 5 and the inner peripheral connection part 9 of the adapter 6 can be brought into close contact with each other, and leakage of filth and bad odor can be prevented. Moreover, the fitting height of the adapter 6 in the vertical connection cylinder part 7 of the floor flange 5 can be reliably fixed.

It is sectional drawing which shows the toilet bowl drainage connection structure which is 1st Embodiment of this invention. It is an exploded view which shows the toilet bowl drainage port connection structure. It is a fragmentary sectional view which fractures | ruptures and shows a part of toilet bowl which constructed the toilet drain connection structure. The state in which the toilet drainage connection structure is used for a drainage pipe in a recent construction state is shown. (A) is VP75, (b) is VU75, (c) is VP100, (d) is the connection state with VU100, respectively. It is sectional drawing shown. The state which used the toilet drainage connection structure for the drain pipe of the old construction state is shown, (a) shows VP75, (b) shows VU75, (c) shows VP100, (d) shows the connection state with VU100, respectively. It is sectional drawing. The state which used the toilet drainage connection structure which is 2nd Embodiment of this invention for the drain pipe of the recent construction state is shown, (a) is VP75, (b) is VU75, (c) is VP100, (d ) Is a cross-sectional view showing a connection state with the VU 100. The state which used the toilet drainage connection structure for the drain pipe of the old construction state is shown, (a) shows VP75, (b) shows VU75, (c) shows VP100, (d) shows the connection state with VU100, respectively. It is sectional drawing. The state which used the toilet drainage connection structure which is 3rd Embodiment of this invention for the drain pipe of the recent construction state is shown, (a) is VP75, (b) is VU75, (c) is VP100, (d ) Is a cross-sectional view showing a connection state with the VU 100. The state which used the toilet drainage connection structure for the drain pipe of the old construction state is shown, (a) shows VP75, (b) shows VU75, (c) shows VP100, (d) shows the connection state with VU100, respectively. It is sectional drawing. The toilet drainage connection structure which is the 4th Embodiment of this invention is shown, (a) is sectional drawing, (b) has shown the A section enlarged view in (a), respectively. It is sectional drawing which shows the toilet bowl drainage port connection structure which is the 5th Embodiment of this invention. It is sectional drawing which shows the toilet bowl drainage port connection structure which is 6th Embodiment of this invention. The drain pipe of the recent construction state is shown, (a) is VP75, (b) is VU75, (c) is VP100, (d) is sectional drawing which shows VU100, respectively. The drain pipe of an old construction state is shown, (a) is VP75, (b) is VU75, (c) is VP100, (d) is sectional drawing which shows VU100, respectively. The state which used the toilet drain connection structure which is a prior art example for the drain pipe of the recent construction state is shown, (a) is VP75, (b) is VU75, (c) is VP100, (d) is the connection with VU100. It is sectional drawing which shows a state, respectively. The state which used the toilet drain connection structure which is a prior art example for the drain pipe of the recent construction state is shown, (a) is VP75, (b) is VU75, (c) is VP100, (d) is the connection with VU100. It is sectional drawing which shows a state, respectively.

Explanation of symbols

1 Toilet 2 Drain outlet 3 Floor 4 Drain pipe 4a VP75
4b VU75
4c VP100
4d VU100
5 Floor flange 6 Adapter 7 Vertical connection part 8 Cover piece 9 Inner circumference connection part 10 Drain pipe connection part 10a Large diameter drain pipe connection part 10b Middle diameter drain pipe connection part 10c Small diameter drain pipe connection part 11 Annular groove 12 Adhesive 13 Micro Capsule 14 Resin material 15 Elastic body 16 Screw structure

Claims (6)

  In a toilet drain connection structure in which the toilet drain and the upper end of the drain pipe that opens to the floor are connected by a floor flange and adapter, the floor flange is connected to the cylindrical vertical connection cylinder and the vertical connection cylinder from the upper end. A cover piece that extends downward, the adapter is cylindrical and fits inside the cover piece of the floor flange, the inner periphery is provided with an inner peripheral connection part that fits the vertical connection cylinder part of the floor flange, and the outer periphery is drained A plurality of drainage pipe connections with different inner diameters that can be fitted to the upper end of the pipe are provided in a stepped manner so that the smaller the inner diameter, the lower the inner diameter, and the drainage outlet of the toilet is inserted into the vertical connection cylinder part of the floor flange By changing the fitting height of the adapter in the vertical connection cylinder part of the floor flange, the drain pipe connection part of the adapter suitable for the inner diameter of the drain pipe can be fitted to the upper end part of the drain pipe. Characteristic toilet drainage Connection structure.   An annular groove that opens below the adapter and accommodates the upper end of the drainage pipe is provided so as to be connected to the drainage pipe connection part having the smallest diameter among the drainage pipe connection parts provided in a staircase shape. The toilet drain connection structure according to 1.   By installing a drain pipe connection part with the smallest diameter above the adapter, opening above the adapter, providing an annular groove to connect with the drain pipe connection part with the smallest diameter, and using the adapter upside down, the upper end of the drain pipe The toilet drain connection structure according to claim 1, wherein the portion is placed in an annular groove.   The toilet drain connection structure according to any one of claims 1 to 3, wherein the adapter is made of a resin material including a microcapsule containing an adhesive.   The toilet drain connection structure according to any one of claims 1 to 3, wherein an inner peripheral connection portion of the adapter is formed of an elastic body.   The toilet drainage connection structure according to any one of claims 1 to 3, wherein the toilet drain connection structure is configured by a screw structure in which an outer periphery of a vertical connection cylinder portion of a floor flange and an inner periphery connection portion of an adapter are screwed together.

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