JP4302268B2 - Pipe joint and connecting structure between toilet and drain pipe using it - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a pipe joint used for renewal of an apartment house.
[0002]
[Prior art]
In the renewal of apartment houses, it was generally considered that it was impossible to change the position of the toilet bowl. For this reason, in order to accommodate elderly people, in addition to being barrier-free, in order to be able to use a toilet in a wheelchair, an existing toilet is provided to widen the toilet space and provide a handrail. Need to move.
[0003]
[Problems to be solved by the invention]
By the way, it is possible to change the drainage vertical pipe to the position of the toilet bowl after movement, but generally the renewal of the apartment house is often done for each house, so it is impossible to move the drainage vertical pipe There are many cases.
[0004]
By the way, in a toilet with a drain outlet at the bottom, as shown in FIG. 6, a lead tube or a resin tube processed into a trumpet shape is generally used in the portion adjacent to the toilet 8 a of the drain pipe 5 a. Further, as shown in FIG. 7, a fixing jig 61a for fixing the toilet bowl 8a and the floor surface F is fixed to the floor surface F, and the fixing jig 61a and the base 81a of the toilet bowl 8a are fixed by a wood screw 6a. The toilet bowl 8a is fixed to the floor surface F. On the other hand, a rubber elastic body for sealing is used between the upper end of the drain pipe 5a processed into a trumpet shape and the lower end of the drain outlet of the toilet 8a.
[0005]
In welded joints of steel pipes, pipe joints with a flange welded to one side of a bent joint body are used at the piping site. In this pipe joint, the opening end face of the bent joint body and the flange end face are flush with each other. ing. For this reason, when a pipe joint is fixed to a drain pipe with a fixing jig via a rubber-like elastic body, the rubber-like elastic body may fall into the drain pipe, and the sealing performance may be impaired.
[0006]
However, there has been no pipe joint that can connect the toilet bowl and the drain pipe after moving to the present.
[0007]
The purpose of the present invention is to move the drainage vertical pipe by changing to a toilet with a drainage outlet on the side, even when an existing toilet bowl has a drainage outlet at the bottom. It is providing the pipe joint which can move and install the toilet bowl without piping connection.
[0008]
[Means for Solving the Problems]
The invention according to claim 1 is a pipe joint having a flange at one end of a 90-degree bent joint body having receptacles at both ends .
The flange is a ring-shaped flange joined to one end outer peripheral surface of the joint body,
A cylindrical guide piece is joined in the bent joint body receptacle on the flange side,
The flange surface and the opening end surface of the receiving port are flush with each other,
The tip of the guide piece protrudes outward from the flange surface,
A plurality of bolt holes are drilled in the outer peripheral edge of the flange .
[0009]
The invention according to claim 2 is a pipe joint having a flange at one end of a 90-degree bent joint body having receptacles at both ends.
The flange is a ring-shaped loose flange;
A locking projection is provided at the distal end of the bent joint body receptacle on the flange side,
A locking step portion that engages with the locking protrusion is provided on the inner peripheral edge of the loose flange,
A cylindrical guide piece is joined in the bent joint body receptacle on the flange side,
The tip of the guide piece protrudes outward from the flange surface,
A plurality of bolt holes are drilled in the outer peripheral edge of the flange .
[0010]
The invention according to claim 3 is connected to the drain outlet of the toilet bowl through a flexible resin tube at one end of the 90-degree bent joint body according to claim 1 or 2, and the flange at the other end has an upper surface. A seal ring is mounted between the outer peripheral surface of the guide piece and the inner peripheral surface of the opening of the drain pipe expanded in a trumpet shape, and is flush with the newly installed floor surface raised from the existing floor surface. The upper end surface of the drain pipe is placed, and a short cylindrical interval holding member that covers the upper end portion of the drain pipe is interposed between the lower surface of the flange and the existing floor surface. This is a connection structure between a toilet and a drain pipe .
[0013]
(Function)
The pipe joint of the present invention according to claim 1, wherein a pipe joint having a flange at one end of a 90-degree bent joint body having receptacles at both ends , wherein the flange is joined to one outer peripheral surface of the joint body. A cylindrical guide piece is joined in the bent joint body receiving port on the flange side, and the opening end surface of the flange surface and the receiving port is flush with each other,
The tip of the guide piece protrudes outward from the flange surface, and a plurality of bolt holes are perforated on the outer peripheral edge of the flange.By attaching a seal ring to the outer periphery of the guide piece, The seal ring can be connected to the upper end of the drain pipe protruding from the floor surface in a watertight manner without falling into the drain pipe.
[0014]
The pipe joint of the present invention according to claim 2 , wherein the flange is a ring-shaped loose flange, wherein the flange is a bent joint on the flange side. A locking projection is provided at the front end of the main body receptacle, a locking step portion that engages with the locking projection is provided on the inner peripheral edge of the loose flange, and the cylindrical guide piece is a bent joint body on the flange side. is joined to the receptacle, the tip of the guide piece is protruded outward from the flange surface, a plurality of bolt holes in the outer peripheral edge of the flange is perforated seal ring on the outer periphery of the guide piece By attaching the seal ring, the seal ring can be connected to the upper end of the drain pipe protruding from the floor surface in a watertight manner without falling into the drain pipe.
Furthermore, since the flange is of a loose type, the flange can be fixed with a fixing bolt without positioning the bolt hole of the flange with respect to the fixture fixed to the floor surface. For this reason, it can respond where the installation position of a new toilet is.
[0015]
In the connection structure between the toilet of the present invention and the drain pipe according to claim 3 , the outlet of one end of the 90-degree bent joint body according to claim 1 or 2 is connected to the drain of the toilet through a flexible resin pipe. The flange at the other end is flush with the newly installed floor surface that is raised from the existing floor surface, and the outer peripheral surface of the guide piece and the inner peripheral surface of the opening of the drain pipe expanded in a trumpet shape. A seal ring is installed in between, and the upper end surface of the drainage pipe is placed on the lower surface of the flange, and a short cylindrical interval that covers the upper end portion of the drainage pipe is maintained between the lower surface of the flange and the existing floor surface. Runode member is interposed, can be covered by the spacing member around the drainage pipe protruding from the existing floor, appearance is improved.
[0018]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an example of an embodiment of the present invention will be described with reference to the drawings.
FIG. 1 is a plan view showing a first embodiment of the pipe joint of the present invention, and FIG. 2 is a sectional view taken along line XX of FIG.
[0019]
In FIG. 1, 1 is a pipe joint made of hard polyvinyl chloride resin, and a 90-degree elbow joint body 2 having receiving ports 21 and 21 at both ends, and a ring shape fixed by bonding to the outer periphery of one end of the joint body 2 The flange 3 and a short cylindrical guide piece 4 inserted and connected into the receiving port 21 of the elbow joint body 2 on the flange 3 side. The opening end surface of the flange surface 3 </ b> A and the receiving port 21 is substantially flush, and the tip of the guide piece 4 protrudes outward from the opening of the receiving port 21.
[0020]
Bolt holes 31 are drilled at four locations on the outer peripheral edge of the flange 3, and a short cylindrical spacing member 32 is concentrically bonded to the guide piece 4 from the flange surface 3 </ b> A located inside the bolt hole 31. Has been erected. The distance holding member 32 has a length corresponding to the protruding length of the drain pipe 5 protruding from the floor surface F, as will be described later. In addition, the length of the space | interval holding member 32 may be lengthened a little, and it may be made to adjust by cut | disconnecting to predetermined length according to the protrusion length of the drainage pipe 5 applied.
[0021]
The spacing member 32 may be a plurality of columnar protrusions instead of the short cylindrical member. In this case, the protrusion may be solid or hollow.
[0022]
Next, the use state of the pipe joint 1 will be described with reference to FIG.
The existing toilet is removed, and the upper end opening 51 of the drain pipe 5 protruding from the floor surface F is exposed. As shown in FIG. 3, the upper end portion of the drain pipe 5 is expanded in a trumpet shape. A rubber seal ring 41 is attached to the outer periphery of the guide piece 4 of the pipe joint 1, the guide piece 4 attached with the seal ring 41 is inserted into the opening 51 of the drain pipe 5, and the flange surface 3 A is connected to the drain pipe 5. Place on the top surface. Then, the position of the bolt hole 31 of the flange 3 is adjusted, and the fixing bolt 6 is screwed into the female screw of the fixture 61 fixed at four locations on the floor surface F to fix the flange 3 of the pipe joint 1.
[0023]
Next, the newly installed toilet bowl 8 is installed at a predetermined position on the raised floor surface F1. The toilet 8 has a drain (not shown) on its side. Then, a flexible resin pipe 7 is connected between the drainage port of the toilet bowl 8 and the receiving port 21 of the pipe joint 1. In addition, the outer peripheral surface of the both ends of the resin pipe 7 is made smooth so that piping connection is possible.
[0024]
In this way, instead of the existing toilet having a drain outlet at the lower part, the toilet 8 having a drain outlet at the side as shown in FIG. 3 is changed to a new one without moving the drain pipe 5. Renewal can be performed by changing the installation position of the toilet 8. For this reason, it is suitable for renewal of an apartment house.
[0025]
Further, by raising the floor surface, the height of the newly installed floor surface F1 can be made the same level as the height of the floor surface F2 on the toilet side, and a barrier-free toilet adapted to elderly and disabled persons can be obtained. it can. Furthermore, the toilet space can be widened to provide handrails and the like.
[0026]
FIG. 4 is a longitudinal sectional view showing a second embodiment of the pipe joint of the present invention.
In this case, as shown in FIG. 4, since the flange present on the outer periphery of one end of the elbow joint body 2 is basically the same as the pipe joint of the first embodiment, except for the loose type, The same parts are denoted by the same reference numerals and description thereof is omitted.
[0027]
That is, as shown in FIG. 5, an annular locking projection 211a is integrally provided on the outer periphery of the opening end of the receiving port 21a on the flange 3a side, while a locking step 311a is formed on the corresponding inner peripheral edge of the flange 3a. Is provided.
[0028]
In this way, by making the flange a loose type, it is possible to cope with the installation position of the newly installed toilet 8.
[0029]
【The invention's effect】
In the pipe joint of the present invention according to claim 1 or 2, since the annular guide piece protrudes outward from the flange surface from the opening end of the bent joint body on the flange side, By mounting the seal ring, the seal ring can be easily connected to the upper end of the drain pipe protruding from the floor surface in a watertight manner without falling into the drain pipe.
In the pipe joint according to claim 2, since the flange is of a loose type, for example, the flange is fixed with a fixing bolt without aligning the bolt hole of the flange with respect to a fixture fixed to the floor surface. Can be fixed. In addition, the pipe joint receiving port can be connected to the pipe in any direction, and the new toilet can be moved at any position.
[0030]
In the connection structure of the toilet and the waste water pipe of the present invention described in claim 3, the drain outlet of the toilet bowl through the claims 1 or 2 flexible resin tube to one end of the socket 90 degree bend joint body according The flange at the other end is flush with the newly installed floor surface that is raised from the existing floor surface, and the outer peripheral surface of the guide piece and the inner peripheral surface of the opening of the drain pipe expanded in a trumpet shape. A seal ring is installed in between, and the upper end surface of the drainage pipe is placed on the lower surface of the flange, and a short cylindrical interval that covers the upper end portion of the drainage pipe is maintained between the lower surface of the flange and the existing floor surface. member is interposed Runode, by abutting the tip of the spacing members on the existing floor, it is possible to angle the new floor and the flange surface always piping connecting the pipe joint to be constant.
Furthermore, since the spacing member is a short cylinder projecting concentrically with the annular guide piece, the periphery of the drainage pipe projecting from the existing floor surface is covered and covered by the spacing member. The above looks good.
[0031]
In the pipe joint of the present invention according to claim 3, since the spacing member is a short tube projecting concentrically with the annular guide piece, the space around the drain pipe protruding from the floor surface is the spacing member. It will be obscured by and will improve the appearance.
[Brief description of the drawings]
FIG. 1 is a plan view showing a first embodiment of a pipe joint of the present invention.
2 is a cross-sectional view taken along the line XX in FIG.
FIG. 3 is an explanatory view showing a usage state of the pipe joint of FIG. 1;
FIG. 4 is a longitudinal sectional view showing a second embodiment of the pipe joint of the present invention.
5 is an enlarged cross-sectional view showing a main part of FIG. 4;
FIG. 6 is an explanatory view showing a conventional toilet mounting structure having a drain outlet at the bottom.
7 is an enlarged cross-sectional view showing a main part of FIG. 5;
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Pipe joint 2 Elbow joint main body 21 Receptacle 3 Flange 31 Bolt hole 32 Spacing holding member 4 Guide piece 5 Drain pipe 6 Fixing bolt 61 Fixing tool 7 Resin pipe 8 Toiletries F, F1, F2 Floor surface

Claims (3)

In a pipe joint having a flange at one end of a 90-degree bent joint body having receptacles at both ends ,
The flange is a ring-shaped flange joined to one end outer peripheral surface of the joint body,
A cylindrical guide piece is joined in the bent joint body receptacle on the flange side,
The flange surface and the opening end surface of the receiving port are flush with each other,
The tip of the guide piece protrudes outward from the flange surface,
A pipe joint , wherein a plurality of bolt holes are drilled in an outer peripheral edge of the flange . In a pipe joint having a flange at one end of a 90-degree bent joint body having receptacles at both ends,
The flange is a ring-shaped loose flange;
A locking projection is provided at the distal end of the bent joint body receptacle on the flange side,
A locking step portion that engages with the locking protrusion is provided on the inner peripheral edge of the loose flange,
A cylindrical guide piece is joined in the bent joint body receptacle on the flange side,
The tip of the guide piece protrudes outward from the flange surface,
A pipe joint , wherein a plurality of bolt holes are drilled in an outer peripheral edge of the flange . A receptacle at one end of the 90-degree bent joint body according to claim 1 or 2 is connected to a drain outlet of a toilet through a flexible resin tube,
The flange at the other end is flush with the new floor raised from the existing floor.
A seal ring is mounted between the outer peripheral surface of the guide piece and the inner peripheral surface of the opening of the drain pipe that is expanded in a trumpet shape,
While the upper end surface of the drain pipe is placed on the lower surface of the flange,
A connecting structure between a toilet and a drain pipe, wherein a short cylindrical spacing member that covers an upper end portion of the drain pipe is interposed between a flange lower surface and an existing floor surface.

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