JP2002286234A - Pipe connection structure for floor-heating panel - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a structure for facilitating a work for watertight pipe- connection between a header pipe and a hot water pipe in a floor heating panel. SOLUTION: In the floor-heating panel 1, a recess 4 for connection is formed for connection of the header pipe 2 with the hot-water pipe 3. After the connection of the pipes 2 and 3, the recess 4 is closed with a cover 5, which is fixed to the panel main body 10. Packing parts P are formed dividedly up and down to hold the connection parts of the pipes 2 and 3 and make the parts watertight. The lower packing parts P1 are formed on the bottom of the recess 4, and the upper packing parts P2 are formed on the rear of the cover 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a pipe connection structure for a floor heating panel, and more particularly to a technique for facilitating watertight connection between a header pipe and a hot water pipe. It is.

[0002]

2. Description of the Related Art Conventionally, a connection recess 4 for connecting a header pipe 2 and a hot water pipe 3 is formed in a floor heating panel 1, and after the header pipe 2 and the hot water pipe 3 are connected, a connection recess 4 is formed on a lid body 5.
As shown in FIGS. 7 and 8, the pipe connection structure of the floor heating panel closed at the end of the hot water pipe 3 with the pipe band 9 shifted to the pipe joint fitting 8 attached to the end of the header pipe 2. The part is inserted, the pipe band 9 is moved to a predetermined position and set, and then the lid 5 is attached to the connection recess 4. In addition, the pipe band 9 is for pressing the header pipe 2 and the hot water pipe 3 strongly and preventing displacement, thereby obtaining a sufficient watertightness of the connecting portion.

[0003]

By the way, in the conventional pipe connection structure of the floor heating panel, the pipe band 9 is moved a plurality of times at one connection point.
There has been a problem that the work for connecting several, usually four, connections becomes complicated and the workability is reduced.

[0004] The present invention has been made in view of such a problem, and a pipe connection structure for a floor heating panel that can easily perform an operation of connecting a header pipe and a hot water pipe in a watertight manner regardless of the number of connections. It is an object to provide

[0005]

According to the first aspect of the present invention, a connection recess 4 for connecting the header pipe 2 and the hot water pipe 3 is formed in the floor heating panel 1, and after the header pipe 2 and the hot water pipe 3 are connected. A pipe connection structure of a floor heating panel in which the connection recess 4 is closed by a lid 5 fixed to the panel body 10 side, wherein packing for maintaining watertightness by holding a connection point between the header pipe 2 and the hot water pipe 3 The lower part P is divided into upper and lower parts, and the lower packing part P1 is attached to the bottom of the connection recess 4 and the upper packing part P2 is attached to the back surface of the lid 5.
According to such a configuration, the header pipe 2 and the hot water pipe 3
Are connected via the pipe joint fitting 8, and when the lid 5 is fixed to the panel main body 10, the hot water pipe is formed by the lower packing P1 on the connection recess 4 side and the upper packing P2 on the lid 5 side. 3 and the pipe joint fitting 8 can be strongly pressed to ensure sufficient watertightness at the connection point. By fixing the lid 5 to the panel body 10 in this manner, for example, the hot water pipe 3 Even in the case where the number of connection points increases to four, predetermined connection can be easily and quickly performed.

According to a second aspect of the present invention, the lid 5 is provided with a positioning piece 6 for positioning the header tube 2. According to such a configuration, when the lid 5 is fixed to the panel main body 10, the positioning of the header tube 2 is performed by the positioning piece 6 formed on the lid 5, thereby preventing the header tube 2 from being displaced. As a result, a predetermined connection state can be maintained for a long period of time.

According to a third aspect of the present invention, a reinforcing member 7 is provided on the back surface of the lid 5 so as to abut against and be fixed to the bottom surface of the connection recess 4. According to such a configuration, since the reinforcing member 7 attached to the lid 5 is fixed to the bottom surface of the connection recess 4, the strength of the lid 5 itself is increased, and the lid 5 is attached to the panel body 10. The strength can be increased, and as a result, a predetermined connection state between the header pipe 2 and the hot water pipe 3 by the lid 5 can be maintained.

[0008]

Embodiments of the present invention will be described below. FIG. 1A is a schematic plan view with a lid removed, and FIG. 1B is a schematic plan view of a floor heating panel. FIG. 2 (a)
FIG. 2 is a rear view of the lid, and FIG. FIG. 3A is a plan view showing a lower packing portion, and FIG. 3B is a perspective view in which the lower packing portion is attached to a connection recess.

The floor heating panel 1 is provided with a hot water pipe 3 over substantially the entire area by, for example, meandering over the entire surface of the panel body 10 to form a concave groove.
To connect the hot water pipe 3 and the header pipe 2 at the connection recess 4 formed in the panel body 10, and to supply the hot water supplied from the hot water supply unit (not shown) from the header pipe 2 to the hot water pipe 3. Hot water pipe 3 and heat sink (not shown)
And the like, heat exchange is performed to achieve floor heating and indoor heating.

In the present embodiment, the hot water pipe 3,
Two hot water supply pipes 3 are used, and a supply port 3a of each hot water pipe 3 is connected to the header pipe 2 on the hot water supply (outgoing path) side, and an outlet 3b of each hot water pipe 3 is connected to the header pipe 2 on the return path side. The work for watertightness of such four connection points can be performed easily and quickly at a glance.
The details will be described below.

As shown in FIG. 2, an upper packing portion P2 is provided on the back surface of the lid 5 covering the connection recess 4. The upper packing portion P2 is provided on the upper packing support 17a.
b is fixed. In the present embodiment, four upper packing portions P2 are connected, and
3 are formed so that the upper half of the supply ports 3a, 3a and the discharge ports 3b, 3b of the two hot water pipes 3, 3 can be pressed.

As shown in FIG. 3, a lower packing portion P1 is provided at the bottom of the connection recess 4. Lower packing part P1
The lower packing 18b is fixed to the lower packing support 18a. Four lower packing portions P1 are connected, and a groove portion 14 is formed in each of the lower packing portions P1, so that the lower half portions of the supply ports 3a, 3a and the discharge ports 3b, 3b of the two hot water pipes 3, 3 can be pressed. Like that. Lid 5
Is fixed to the panel body 10 by fixing means such as an adhesive or a screw.

As described above, according to the present invention, the packing portion P for maintaining the connection between the header pipe 2 and the hot water pipe 3 for watertightness is divided into upper and lower parts, and the lower packing part P1 is provided at the bottom of the connection recess 4. Since the upper packing portion P2 is attached to the back surface of the lid 5, after connecting the header pipe 2 and the pipe joint fitting 8 attached to the tip of the hot water pipe 3, the lid 5 is attached to the panel body 10. When fixed, the hot water pipe 3 and the pipe joint fitting 8 are formed by the lower packing P1 on the connection recess 4 side and the upper packing P2 on the lid 5 side.
Is strongly pressed to ensure sufficient watertightness at the connection point, and watertightness is ensured even when the hot water pipe 3 and the pipe joint fitting 8 expand when hot water is supplied. By fixing the lid 5 to the panel main body 10 in this manner, a predetermined connection can be easily and quickly performed even when the number of connection points of the hot water pipes 3 increases, such as four. It is.

As shown in FIG. 2, a hook-shaped positioning piece 6 is provided near the tip of each groove 13 of the upper packing portion P2 attached to the lid 5 in the direction in which the groove 13 is extended.
Are extended, and the header tube 2 is
Can be positioned. Then, as shown in FIGS. 4 and 5, the header pipe 2 is locked with the positioning piece 6 in a state where the lid 5 is shifted, and the supply ports 3a of the hot water pipes 3, 3 are connected to the pipe joint fittings 8,.
3a and the outlets 3b, 3b can be inserted and connected. After the connection, the positioning pieces 6 ...
Thus, each connection state is maintained, and the predetermined connection state is maintained for a long period of time.

FIG. 6 shows another embodiment. However, the basic configuration of the present embodiment is common to the above-described embodiment, and the common portions are denoted by the same reference numerals and description thereof is omitted.

In this embodiment, a reinforcing member 7 is provided on the back surface of the lid 5 so as to be in contact with and fixed to the bottom surface of the connection recess 4, and the reinforcing member 7 is provided with pins 15. Part P
2 are also provided with pins 15. In this case, the positioning piece 6 does not exist.

In this embodiment, the reinforcing member 7 attached to the lid 5 abuts against the bottom surface of the connection recess 4 and is fixed by the pins 15..., And the upper packing part P2 is pinned to the lower packing part P1. 15, the lid 5
This increases the strength of itself and the strength of attachment of the lid 5 to the panel main body 10, and as a result, a predetermined connection state between the header pipe 2 and the hot water pipe 3 by the lid 5 can be maintained.

[0018]

According to the first aspect of the present invention, a connection recess for connecting the header pipe and the hot water pipe is formed in the floor heating panel,
It is a piping connection structure of a floor heating panel in which the connection recess is closed by a lid fixed to the panel body side after the connection between the header pipe and the hot water pipe, and a connection point between the header pipe and the hot water pipe is held. Divide the packing part to make watertight up and down,
Since the lower packing part is attached to the bottom of the connection recess and the upper packing part is attached to the back of the lid, after connecting the header pipe and the hot water pipe via the pipe joint fitting, the lid is fixed to the panel body In this case, the hot water pipe and the pipe joint fitting can be strongly pressed by the lower packing part on the connection recess side and the upper packing part on the lid body, and the watertightness of the connection part can be sufficiently ensured. By fixing the lid to the panel body as described above, there is an advantage that a predetermined connection can be easily and quickly performed even when the number of connection points of the hot water pipe is increased as four. .

In the second aspect, the lid is provided with a positioning piece for positioning the header tube.
In addition to the effect of claim 1, when the lid is fixed to the panel main body, the positioning of the header pipe is performed by the positioning piece formed on the lid, so that the header pipe can be prevented from being displaced, and as predetermined. There is an advantage that the connection state can be maintained for a long time.

According to the third aspect of the present invention, a reinforcing member is provided on the back surface of the lid so as to abut against the bottom surface of the connection recess. Since the material is fixed to the bottom of the connection recess, the strength of the lid itself is increased and the mounting strength of the lid to the panel body is increased, and as a result, the predetermined connection between the header pipe and the hot water pipe by the lid is made. There is an advantage that the state can be maintained.

[Brief description of the drawings]

FIG. 1 shows an embodiment of the present invention, wherein (a) is a schematic plan view with a lid removed, and (b) is a schematic plan view of a floor heating panel.

FIG. 2A is a rear view of the lid, and FIG. 2B is a perspective view.

FIG. 3A is a plan view showing a lower packing portion, and FIG. 3B is a perspective view in which the lower packing portion is attached to a connection recess.

FIG. 4 is a schematic perspective view showing an operation of connecting the above hot water pipe to a pipe joint fitting.

FIGS. 5A and 5B are cross-sectional views showing an operation of connecting a hot water pipe to a pipe joint fitting, and FIG. 5C is a cross-sectional view after connection.

FIG. 6 shows a lid according to another embodiment of the above, wherein (a) is a rear view, (b) and (c) are side views, and (d) is a perspective view.

FIG. 7 shows a conventional example, in which (a) is a plan view with a lid removed,
(B) is a plan view of a lid, and (c) is a plan view of a floor heating panel.

FIG. 8 (a) is an explanatory view showing an operation of connecting a hot water pipe to the above pipe joint fitting, and FIG. 8 (b) is a front view of a pipe band.

[Explanation of symbols]

 Reference Signs List 1 floor heating panel 2 header pipe 3 hot water pipe 4 connection recess 5 lid 6 positioning piece 7 reinforcing material

Claims (3)

[Claims] 1. A connection recess for connecting a header pipe and a hot water pipe is formed in a floor heating panel, and after the header pipe and the hot water pipe are connected, the connection recess is closed with a lid fixed to the panel body side. Floor heating panel piping connection structure,
The packing part that holds the connection point between the header pipe and the hot water pipe to make it watertight is divided into upper and lower parts, the lower packing part is attached to the bottom of the connection recess, and the upper packing part is attached to the back of the lid. Characterized by a floor heating panel piping connection structure. 2. The lid according to claim 1, wherein a positioning piece for positioning the header tube is provided on the lid.
The pipe connection structure of the floor heating panel described in the above. 3. The piping connection structure for a floor heating panel according to claim 1, wherein a reinforcing material is provided on the back surface of the lid so as to abut against and be fixed to the bottom surface of the connection recess.