JP2517344Y2 - Piping structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an improvement of a connection structure of an outdoor pipe provided under a washing room with a unit room.

(Technical background) Usually, in a unit room, the outdoor piping taken into the room is provided along the lower side of the washing area and connected to the equipment inside the room. For example, when connecting to the hot water supply device provided in the unit room to connect to the outdoor pipe under the washing area, that is, the hot water supply pipe, or the outdoor pipe branching from the collecting main outside the unit room The same applies when connecting to a class.

Such outdoor piping is connected to indoor piping and equipment by inserting a hole formed in the side wall of the room.

However, when the outdoor side pipes, the indoor side pipes, and the connection part and the insertion part for the equipment are provided in the outdoor side wall portion, not only the outdoor pipe becomes longer, but also the outdoor pipe is used as a washing place. Since it is necessary to make a complicated shape along the side wall of the room, the number of connection points of the outdoor piping itself increases, the risk of water leakage increases, and the piping work is troublesome, which causes a cost increase.

In addition, it is necessary to hide it by another facility such as an L-type counter because the appearance is impaired when the connecting portion is provided on the side wall of the room.

The present invention has been made in view of the above-mentioned conventional circumstances, and the purpose thereof is to take the outdoor piping into the unit room without unnecessarily lengthening or making it into a complicated shape, and to leak water from the connecting portion and downstairs. The purpose of the present invention is to provide a piping structure that does not have to worry about dripping into the pipe, can be easily inspected for water leaks, and does not need to hide the connection part with separate equipment.

Another object is to provide a piping structure capable of easily disconnecting and connecting a hot water supply pipe, which is an outdoor pipe for floor heating, and a water heater in a unit room from the inside of the unit room.

(Technical Means) According to the technical means taken to achieve the above technical subject, claim 1 attaches a connecting pipe having a flange to the end of an outdoor pipe provided on the lower side of a washing place with a connecting threaded rod in the middle. , The connection pipe is projected into the bathtub placing portion from a communication hole of the stepped elevation surface provided at the boundary between the bathtub placing portion and the washing room portion of the floor pan body and screwed and fastened to the step elevation surface, for connection The gist is that the indoor piping is connected to the screw rod from the bathtub mounting side.

A second aspect of the present invention is summarized in that a rotation preventing piece for preventing rotation of the flange is provided on the back surface of the step elevation surface according to the first aspect.

According to claim 3, the outdoor pipe provided under the washing place according to claim 1 or 2 is a hot water supply pipe, and the washing place comprises a washing floor of the floor pan body and a floor heating panel constituting a surface layer of the washing place. The floor heating panel comprises a heat-insulating panel body having a meandering groove with an open surface, a holding portion arranged in the groove and a protrusion protruding from the holding portion and attached to the surface of the panel body with an adhesive. A holding metal fitting having a support piece to be attached, a hot water supply pipe held in the groove and held in the groove, and a heat radiating plate abutting the upper surface of the support piece and superposed on the panel body. It is characterized in that it comprises a support piece, a heat radiating plate, and an adhesive filled between the panel main bodies, and the heat radiating plate is attached to the back surface of the floor pan main body through the adhesive.

(Operation) According to the above technical means, there is the following operation.

(Claim 1) The outdoor piping provided under the washing area is connected to the indoor piping inside the bathtub placement section on the extension of the piping without forming a complicated shape that stands up along the back side of the side wall of the room.

 Also, the connection part is automatically hidden by the bathtub apron.

Further, the leaked water is dropped on the bathtub mounting portion, and the inspection is performed by removing the bathtub apron or the inspection port provided in the bathtub apron.

(Claim 2) The anti-rotation piece prevents the outdoor pipe from rotating due to a screwing rotational force when the anti-rotation piece is held by being screwed to the stepped vertical surface at the boundary between the bathtub placing portion and the washing place portion.

(Claim 3) As shown in FIGS. 4 and 5, the bar (15) is introduced into the notch (14) formed in the washing floor (8 '), and the washing floor (8') and heat sink (4). Adhesive (5 ″)
When peeled off against the adhesive force of, the hot water pipe (2) held by the holding metal fitting (3) appears.

Remove bathtub apron to (11a), bathing port of the Okuyukan (2) As shown in FIG. 16 (2a), the tap hole (2b) and the water heater feed pipe (C) (c _1), the return Release the connection with the pipe (c ₂ ), release the holding of the connection pipe (18) by screwing it to the step elevation (7a), and pull out the hot water supply pipe (2) from the washing floor (8 ') upwards. .

Further, as shown in FIG. 17, a new hot water supply pipe (2) is fitted to the holding metal fitting (3), and the connecting pipe (18) at the tip is connected to the bathtub mounting part (7) and the washing place part (8). Is inserted again from the communication hole (7b) of the stepped elevation surface (7a), and the connecting pipe (18) is screwed to the stepped elevation surface (7a) to be clamped by the feed pipe (c) of the water heater (C). ₁ ), connect with return pipe (c ₂ ).

Therefore, the hot water supply pipe ( ₂ ) for floor heating connected to the feed pipe (c ₁ ) and the return pipe (c ₂ ) of the water heater installed in the room and the pipe when it is damaged can be replaced from the indoor side.

(Effects of the Invention) The present invention is configured as described above and has the following advantages.

(Claim 1) It is possible to take the outdoor piping provided below the washing room into the room from the bathtub placement section on the extension of the outdoor piping without forming a long and complicated shape along the side wall of the room. Not only can the equipment cost be reduced, but the piping work can be performed easily.

Moreover, since the connection of the outdoor piping to the indoor piping inside the unit room is inside the bathtub placement part, not only does it not drip downstairs even if water leaks from the connection, it is automatically hidden by the bathtub apron. It is possible to achieve various advantages such as removing the bathtub apron and easily using the inspection opening of the bathtub apron for checking the water leakage of the connection portion without performing a troublesome work such as hiding in another facility.

(Claim 2) In addition to claim 1, since the outdoor pipe provided under the washing place does not rotate due to the screwing rotational force at the time of being clamped to the stepped surface, the outdoor force is twisted. There is no fear that the life of the pipe will be shortened.

(Claim 3) In addition to the advantages of claims 1 and 2, it is troublesome to perform piping and replacement of a hot water supply pipe for floor heating connected to a water heater in the unit room by putting hands in the space below the washroom. It can be done from within the unit room without performing any special work.

(Example) Next, the Example of this invention is described based on drawing.

The present embodiment shows a case where a hot water supply pipe for floor heating is provided as an outdoor pipe below the floor pan washing section as a piping structure.

FIG. 1 is a cross-sectional plan view of a bathroom showing a usage state of a floor pan with a floor heating function according to the present embodiment. The floor pan with floor heating function (A) includes a floor pan body (A ′) and a floor heating floor panel (A ″).

The floor pan body (A ') is called a bathtub type, and one half of the floor pan (7) and the other half of the tile (8a).
It has a washing area (8) to which is attached and a wall mounting surface (9) is provided at the same edge.

The bathroom (B) is constructed by vertically arranging the wall panels (10) on the wall mounting surface (9) of the floor pan body (A '), and further covering the upper opening with the ceiling wall (not shown). , Bathtub rest (7)
The bathtub (11) is placed on.

The floor heating panel (A ″) includes a panel body (1), a hot water supply pipe (2), a holding metal fitting (3) for the hot water supply pipe (2), a heat radiating plate (4), a mounting metal fitting (6), an adhesive ( 5 ') (5 ").

The panel body (1) is made of synthetic wood or foam material, and is a floor for washing the floor pan body (A ') (8') that is the target of floor heating.
The panel body (1) is formed to have a slightly smaller area and a desired thickness. The panel body (1) is provided with a serpentine groove (1a) having an open surface.

The holding metal fitting (3) is formed of a copper plate, and has a U-shaped holding portion (3a) and a support piece (3b) (3b) horizontally extending in opposite directions from both free ends of the holding portion (3a). ) And a straight section (1a ′) in the groove (1a).
Prepare a required piece of the length that corresponds to, and support piece (3b) (3
b) With the adhesive (5 ') applied to the back surface,
By attaching b) and (3b) to the surface of the panel body (1), the holding portion (3a) is arranged inside the straight portion (1a ') in the groove (1a).

The hot water supply pipe (2) is a copper pipe, which is held in the groove (1a) while being held by the holding portion (3a), and the hot water inlet (2a) and hot water outlet (2b) are connected to the panel body (1). ) It is projected to the outside, specifically, to the bathtub mount (7) side.

The heat radiating plate (4) is a copper plate having an area slightly wider than the piping range of the meandering hot water supply pipe (2), and is in a state of being superposed on the upper surfaces of the supporting pieces (3b) (3b) of the holding metal fitting (3). From above, a mounting metal fitting (6) which penetrates the support pieces (3b) (3b) and bites into the panel body (1) is driven and fixed on the support pieces (3b) (3b).

 The setting metal fitting (6) is a nail, a stacker or the like.

The adhesive (5 ″) is the support piece (3b) of the holding metal fitting (3).
(3b) around, the heat sink (4) and the panel body (1) are filled, and the heat sink (4) part not facing the support pieces (3b) (3b) is attached to the panel body (1). It is fixed.

The floor heating panel (A ″) having the above structure is attached to the back surface of the washing floor (8 ′) with an adhesive (5 ″ ″), and the hot water inlet (2a) and the hot water outlet ( 2b) is connected to the feed pipe (c ₁ ) and the return pipe (c ₂ ) of the water heater (C) installed in the room with the connecting fitting (12).

This connecting fitting (12) is connected to the entrance (2) of the hot water pipe (2).
a), the hot water outlet (2b) and the feed pipe (c ₁ ) and return pipe (c ₂ ) of the water heater (C) installed in the room can be connected and disconnected from the back space of the bathtub (11). I am trying.

In FIG. 15, (2a) and (2b) are the inlet and outlet of the hot water pipe (2), and (12) is the inlet (2a) and outlet (2b).
And the connecting pipe for connecting the feed pipe (c ₁ ) and the return pipe (c ₂ ).

These inlets (2a) and outlets (2b) have flanges (18a) at their tips and connection screw rods (18b) at the ends, and the rear ends of the connection pipes (18) are at both ends of the hot water supply pipe (2). Brazing (19)
It is configured to be fixed in a watertight manner by means of a connection, and a screw rod (18b) for connection is opened through a rotation prevention piece (20) which will be described later on the stepped elevation surface (7a) of the bathtub mounting portion (7). Hole (7b)
And is positioned inside the bathtub rest (7).

The connecting metal fitting (12) is provided with a nut (12a) that holds a stepped surface (7a) with a flange (18a) screwed to a connecting screw rod (18b), and a feed pipe (a) via an asbestos packing (21). c ₁ 1), return pipe (c ₂ ) connecting screw rod (18b) (18b)
It consists of a cap nut (12b) connected to the tip.

The rotation prevention piece (20) is provided on the rear surface of the hole edge of the communication hole (7b), and the flange (18a) collides with the hot water supply pipe (2) even when receiving the turning force when the nut (12a) is screwed. A flange (18a) abutting piece is projectingly provided on the edge so as to prevent rotation of the.

Reference numeral (21) is a caulking material for closing the gap between the connecting hole (7b) of the stepped elevation surface (7a) and the connecting screw rod (18b), and is provided from within the bathtub mounting portion (7). .

Next, a description will be given of how to replace the hot water supply pipe (2) for reasons such as deterioration of durability and water leakage.

First, a marking line is applied to the tile joint (13) so as to surround an area slightly wider than the piping range of the hot water supply pipe (2),
Cut the washing floor (8 ') and heat sink (4) along the marking line with a cemented carbide cutter, etc., and make notches (14) (Fig. 4).

Then insert the bar (15) into the cut (14),
The wash floor (a ₁ ′) and heat sink (4) are forcibly peeled off against the adhesive force of the adhesive (5 ″). At this time, the heat sink (4) is peeled off, and the metal fittings are placed. (6) is removed, and the holding metal fitting (3) and the hot water supply pipe (2) are left in the panel body (1) (Fig. 5).

When removing the hot water pipe (2), remove the bathtub apron (11a), loosen the cap nut (12b), and remove the caulking material (2
After cutting off 1) with a cutter, loosen the nut (12a),
Pull out the hot water pipe (2) onto the washing area (8) (No. 17)
Figure).

Next, after the process of peeling off one row of tiles (8a) around the notch (14) (Fig. 7), fit a new hot water supply pipe (2 ') to the holding part (3a) of the holding metal fitting (3). A new hot water supply pipe (2 ') is held using a guide rod (22) as shown in FIG. 17 together with the step (Fig. 8 and Fig. 9) of accommodating in the groove (1a) (3). Screwing the nut (12a) and the cap nut (12b) to the connecting screw rod (18b) that is located in the bathtub mounting portion (7) by inserting the communication hole (7b) into the The caulking material (21) is applied from the back space (11b) of the bathtub (11).

At that time, the flange (18a) is prevented from rotating even if the hot water supply pipe (2 ') is rotated by the screwing rotational force of the nut (12a) when the hot water supply pipe (2') is attached to the stepped surface (7a). Since it collides with the piece (20), the hot water supply pipe (2 ') does not rotate.

Then, the cap nut (12b) is connected to the connecting screw rod (18b).

Next, avoiding the groove (1a), the support piece (3b) of the holding metal fitting (3)
(3b) Step of attaching heat sink (4) to adhesive (5 ″) applied around (FIG. 10), heat sink (4) and support piece (3b)
A step (FIG. 11) of fixing (3b) to the panel body (1) with the mounting metal fitting (6), a glass mat was placed on the heat sink (4) and around the notch (14), and a curing agent was added. Step of applying adhesive resin (15) (Fig. 12), adhesive resin (15)
FR of the area corresponding to the wash-floor floor (a ₁ ') peeled off by the curing agent
The step of fitting and pressing the P plate (16) (Fig. 13), the step of applying the tile adhesive (17) after curing the adhesive resin (15) and adhering the tile (8a) (Fig. 14) After that, the new hot water supply pipe (2 ') is replaced and the repair is completed.

Further, the above procedure may be performed not only when exchanging the pipes but also when the hot water supply pipe (2) is connected to the washing place (8).

In addition, although the floor pan with a floor heating function having tiles has been described in the present embodiment, a floor pan with a floor heating function having a normal FRP washing place without a tile wall is also targeted.

[Brief description of drawings]

The drawing shows a case where a hot water supply pipe for floor heating is installed in a floor pan as a piping structure, and FIG. 1 is a cross-sectional plan view showing a usage state, and FIG.
The figure is shown in the enlarged sectional view (2)-(2) of FIG. 1 with intermediate portions omitted. FIG. 3 is an enlarged sectional view of (3)-(3) of FIG. In the enlarged sectional views (2)-(2) of Fig. 1 showing the steps of replacement and repair, the intermediate portion is omitted. Fig. 15 is a partially enlarged sectional view of the main part, and Fig. 16 is a bath entrance and outlet. FIG. 17 is a partially enlarged cross-sectional view of the main part in a state in which the connection fitting is disconnected from the sprue, and FIG. 17 is an enlarged cross-sectional view in a state where the inlet / outlet port of the hot water supply pipe is located inside the bathtub placement part. In the figure, (A): Floor pan with floor heating function (A ′): Floor pan body (A ″): Floor heating panel (1): Panel body, (1a): Groove (3): Holding bracket, ( 3a): Holding part (3b) (3b): Support piece, (4): Heat sink (6): Placing metal fittings (5 ') (5 "): Adhesive, (2): Hot water pipe (outdoor) (Piping) (2a): Hot water inlet, (2b): Hot water outlet (18): Connection pipe, (18b): Connection screw rod (20): Rotation prevention piece, (8): Washing room (7): Bathtub mounting portion (7b): the stepped elevation (c _1): feed pipe (indoor piping), (c _2): return line (indoor piping) (C): water heater, (8 '): washing space floor

 ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References: 58-22609 (JP, U): 62-100413 (JP, U): 54-110149 (JP, U): 63- 123192 (JP, U)

Claims (3)

(57) [Scope of utility model registration request] 1. A connection pipe having a flange with a connecting screw rod at the end is attached to an outdoor pipe provided below the washing area,
The connecting pipe is protruded into the bathtub placing portion from a communication hole of a stepped surface provided at a boundary between the bathtub placing portion and the washing area of the floor pan body, and is screwed and fastened to the step raising surface, and the connecting screw is provided. A piping structure in which indoor piping is connected to a rod from the bathtub mounting side. 2. The pipe structure according to claim 1, wherein a rotation preventing piece for preventing rotation of the flange is provided on the back surface of the step elevation surface. 3. The outdoor pipe provided under the washing area is a hot water supply pipe, and the washing area is composed of a floor of the floor pan constituting the surface of the washing area and a floor heating panel, and floor heating. The panel is a heat-insulating panel body having a serpentine groove with an open surface, a holding portion arranged in the groove, and a support piece protruding from the holding portion and attached to the surface of the panel body with an adhesive. A holding metal fitting having, a hot water supply pipe held in the holding portion and housed in the groove, a heat radiating plate abutting the upper surface of the supporting piece and superposed on the panel body, a supporting piece circumference, The piping structure according to claim 1 or 2, further comprising: a heat radiating plate and an adhesive agent filled between the panel main bodies, the heat radiating plate being attached to the back surface of the floor pan body via the adhesive agent.