JP2003254545A - Hot water floor heating apparatus and joint elbow - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a hot water floor heating apparatus and a joint elbow for easily connecting and fitting a hose to the joint elbow ever at the occurrence of dislocation depending on the position of a rising hole of a hot water floor heating panel, without a failure to fasten a hose band in connecting and sticking the hose to a projecting part of the joint elbow. <P>SOLUTION: The hose 3 disposed at the tip of a hot water pipe 1 of a hot water floor heating panel 2 with the built-in hot water pipe 1 is connected using the joint elbow 8 formed with a hose band temporary fixing part 7 larger than the outer diameter of the hose 3 and smaller than the width of a hose band 6, at the root of the projecting part 5 of a joint elbow body 4 for connecting the hose 3. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a joint elbow for connecting hot water floor heating panels and a hot water floor heating apparatus using the joint elbow.

[0002]

2. Description of the Related Art As shown in FIGS. 5 and 6, a joint elbow 21 used for a hot water floor heating panel 20 has a protrusion 23 of a joint elbow body 22 arranged at a right angle.
a and 23b are simply arranged at right angles, and a margin for the stroke for connecting to the protrusion 23a is provided in the hose 24, that is, the sum of the stroke X of the bamboo shoot and the gripping margin Y of the joint tool and the hose. The total length W of the hot water hose 24 corresponding to the total length Z of the band 25 had to be constantly maintained. Therefore, since the stroke for moving the hose band 25 to the root side 26 of the joint elbow main body 22 is long (X + Y + Z = W), it is difficult to insert the hose band 25, and the hose band 25 is connected by the movement at the time of connection. There was a problem that it was difficult. In addition, the hose band 25 had to be inserted inside the hose 24 in advance, so that the user forgot to tighten the hose band 25.

Furthermore, as shown in FIG. 6, when the pipe is raised from under the floor, the pipe 2 of the hot water floor heating panel 20 is used.
It is necessary to make a rise hole 28 inward from the tip of 7.
It was necessary to open the rising hole 28 before installing the hot water floor heating panel 20, or to lift the pipe 27 to open the rising hole 28. Therefore, there is a problem that it is difficult to connect the hose band 25 that is previously inserted inside the hose 24 due to the opening position of the rising hole 28.

[0004]

SUMMARY OF THE INVENTION The present invention is intended to solve the above problems, and when connecting and fixing a hose to the protrusion of a joint elbow, it is not necessary to forget to tighten the hose band, and the hot water floor is used. Provided is a hot water floor heating device and a joint elbow in which connection and attachment of a joint elbow and a hose are easy even if a positional deviation occurs due to the position of a rising hole of a heating panel.

[0005]

According to a first aspect of the present invention, there is provided a hot water floor heating apparatus having a hose band which is larger than an outer diameter of the hose at a base of a projection of a joint elbow body for connecting a hose of the hot water floor heating panel. It is characterized in that the hose is connected using a joint elbow having a hose band temporary fixing portion having a width smaller than that of the hose.

Therefore, when connecting and fixing the hose to the protrusion of the joint elbow, it is not necessary to forget to tighten the hose band.

A hot water floor heating apparatus according to a second aspect of the present invention is characterized in that the joint elbow according to the first aspect is connected to a hose through a rising hole provided in a hot water floor heating panel. Is.

Therefore, in addition to the above effect, the hose can be easily connected and attached even if the position of the rising hole of the hot water floor heating panel is misaligned.

In the joint elbow according to a third aspect of the present invention, the projections of the joint elbow body are arranged at right angles, and the base of the projection of the joint elbow body for connecting at least one hose is larger than the outer diameter of the hose. A hose band temporary fixing portion having a large size and a width smaller than that of the hose band is formed.

Therefore, when the hose is connected and fixed to the protrusion of the joint elbow, it is not necessary to forget to tighten the protrusion.
Further, the hose can be easily connected and attached even if the position of the rising hole of the water floor heating panel is displaced. Furthermore, by the hose band temporary fixing part that is larger than the outer diameter of the protrusion and smaller than the width of the hose band,
You can securely tighten the hose band without forgetting to tighten it.

According to a fourth aspect of the present invention, in the joint elbow, the protrusion of the joint elbow body is linearly arranged, and at least one of the hoses is connected to the root of the protrusion of the joint elbow body by an outer diameter of the hose. A hose band temporary fixing portion having a large size and a width smaller than that of the hose band is formed.

Therefore, when connecting and fixing the hose to the protrusion of the joint elbow, it is not necessary to forget to tighten the protrusion.
In addition, the hose can be connected and attached easily even if the position of the rising hole of the floor heating panel is displaced. Further, the hose band temporary fixing portion, which is larger than the outer diameter of the protrusion and smaller than the width of the hose band, can be securely fastened without forgetting to tighten the hose band.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIGS. 1 and 3, a hot water floor heating system A according to an embodiment of the present invention will be described.

The hot water floor heating system A has a joint elbow body having right-angled projections 5a and 5b for connecting a hose 3 arranged at the tip of the hot water pipe 1 of a hot water floor heating panel 2 having a built-in hot water pipe 1. The hose 3 is connected using a joint elbow 8 formed by forming a round hose band temporary fixing portion 7 having a diameter larger than the outer diameter of the hose 3 and smaller than the width of the hose band 6 at the base of the protruding portion 5a of 4. It is a thing.

The joint elbow 8 is made of a synthetic resin made of vinyl chloride resin, acrylic resin, polycarbonate resin, or the like, or is made of metal such as iron or aluminum, and is formed in a substantially L-shape. A width larger than the outer diameter of the hose 3 and smaller than the width W2 of the hose band 6 is provided at the base of the stepped projection 5 of the joint elbow body 4 that connects at least one hose 3 with the portion 5 arranged at a right angle. The hose band temporary fixing portion 7 of W1 is formed. At this time, the dimensional width relationship between the hose band 6 and the hose band temporary fixing portion 7 is W2> W1, and the hose 3
Is formed so that it can be easily inserted and the tightening force of the hose band 6 can be increased. Further, the hose band 6 is formed of a spring body having elasticity, and an operation portion 9 which can be expanded and contracted by a finger is provided on an upper portion of the spring body. By pressing the operation portion 9 of the hose band 6, the body portion is opened and movable.

The length for connecting the joint elbow 8 of the hose 3 is the sum of the stroke X of the bamboo shoot and the grip margin Y of the joint tool and the sum of the length Z of the hose band 6 as in the conventional case. Since it is not necessary to always have the length of the hot water hose 3 and the hose band temporary fixing portion 7 is formed, the actual length of the hot water hose 3 is the stroke X of the bamboo shoot and the grip allowance Y of the joint tool. (X + Y), the length Z of the hose band 6 is not necessary, and the length of the hose band 6 is shorter than the conventional connection length.

Therefore, when the hose 3 is inserted and fixed to the protruding portion 5a of the joint elbow 8, at the base of the stepped protruding portion 5a of the joint elbow body 4, the width W2 is larger than the outer diameter of the hose 3 and the width W2 of the hose band 6. Smaller width W
1 hose band temporary fixing part 7 is formed,
Since the hose band 6 is temporarily fixed to the hose band temporary fixing portion 7 at the base of a, the hose band 6 is easily noticed at the time of connection, and since the hose 3 is clamped with the diameter increased, it is not necessary to forget to tighten the hose band 6. Moreover, since the width W2 of the hose band 6 is larger than the width W1 of the temporary hose band fixing portion 7, the tightening force is increased.

Further, FIG. 2 relates to a different embodiment and shows a linear joint elbow 8 having a stepped projection 5a,
5b is formed to be larger than the outer diameter of the hose 3 at the base, and the hose band 6 is temporarily fixed to the hose band temporary fixing portion 7 at the base of the projections 5a and 5b, so that it is easily noticeable at the time of connection. Moreover, since the hose 3 is clamped with the diameter increased, it is not necessary to forget to tighten the hose band 6.
Moreover, since the width W2 of the hose band 6 is larger than the width W1 of the temporary hose band fixing portion 7, the tightening force is increased.

Hereinafter, as shown in FIG. 4, a state in which the rising hole 10 is opened in the hot water floor heating apparatus A according to the embodiment of the present invention and the hose 3 is connected to the joint elbow 8 will be described.

When the pipe is raised from under the floor, the raising hole 1 is provided inside the tip of the hot water pipe 1 of the hot water floor heating panel 2.
It is necessary to cut 0 with a saw or the like. This start-up hole 1
No. 0 had to be opened before the hot water floor heating panel 2 was installed, or the rising hole 10 had to be opened with the hot water pipe 1 being lifted. Therefore, even if the connection length of the hose 3 is deviated due to the opening position of the rising hole 10, the hose band having a diameter larger than the outer diameter of the hose 3 and smaller than the width of the hose band 6 is formed at the root of the protrusion 5 of the joint elbow 8. Since the hose band 6 is temporarily fixed to the temporary fixing portion 7, the hose 3 can be easily inserted and fixed in the rising hole 10 without forgetting to tighten the hose band 6 even if the starting hole 10 is opened small. it can.

Further, since the hose 3 can be shortened and connected to the joint elbow 8 as compared with the conventional one, the operation of the hose 3 is simple. Further, even after the hot water floor heating panel 2 is installed, the rising hole 10 can be opened and the hose 3 can be connected, which is convenient.

[0022]

As described above, in the hot water floor heating apparatus according to the first aspect of the present invention, the hose band is larger than the outer diameter of the hose at the root of the projection of the joint elbow body for connecting the hose of the hot water floor heating panel. Since the hose is connected using a joint elbow that has a hose band temporary fixing part that is smaller than the width of the hose, be sure to secure the hose band temporary fixing part in advance when connecting and fixing the hose to the protrusion part of the joint elbow. It is temporarily fixed, and I never forget to tighten the hose band.

In the hot water floor heating apparatus according to the second aspect of the present invention, even when the joint elbow is connected to the hose from the underfloor through the rising hole provided in the hot water floor heating panel, the standing of the hot water floor heating panel is achieved. Even if the position of the raising hole causes a displacement, the hose can be easily connected and attached.

In the joint elbow according to a third aspect of the present invention, the protrusions of the joint elbow body are arranged at right angles,
A hose band temporary fixing part that is larger than the outer diameter of the hose and smaller than the width of the hose band is formed at the base of the protruding part of the joint elbow body that connects at least one hose. Do not forget to tighten the protrusion when connecting and fixing. Further, the hose can be easily connected and attached even if the position of the rising hole of the water floor heating panel is displaced.

In the joint elbow according to claim 4 of the present invention, the protrusion of the joint elbow main body is arranged in a straight line, and the base of the protrusion of the joint elbow main body connecting at least one hose is larger than the outer diameter of the hose. Since the hose band temporary fixing portion having a large size and smaller than the width of the hose band is formed, when the hose is connected and fixed to the protruding portion of the joint elbow, it is not necessary to forget to tighten the protruding portion. Further, the hose can be easily connected and attached even if the position of the rising hole of the water floor heating panel is displaced.

[Brief description of drawings]

FIG. 1 is a plan view of an L-shaped joint elbow according to the present invention.

FIG. 2 is a plan view of a flat joint elbow according to the present invention.

FIG. 3 is a plan view showing a state where a hose is inserted into an L-shaped joint elbow according to the present invention.

FIG. 4 is a plan view showing a state in which the L-shaped joint elbow according to the present invention is connected to a hose through a rising hole provided in a hot water floor heating panel.

FIG. 5 is a plan view showing a state where a hose is inserted into a conventional joint elbow.

FIG. 6 is a plan view showing a state in which a conventional joint elbow is connected to a hose via a rising hole provided in a hot water floor heating panel.

[Explanation of symbols]

A hot water floor heating system 1 hot water pipe 2 Hot water floor heating panel 3 hose 4 Joint elbow body 5 protrusions 6 hose bands 7 Hose band temporary fixing part 8 joint elbow 9 Operation part 10 Startup hole

Claims (4)

[Claims] 1. A joint elbow in which a hose band temporary fixing portion having a diameter larger than the outer diameter of the hose and smaller than the width of the hose band is formed at the base of the protrusion of the joint elbow body for connecting the hose of the hot water floor heating panel. Hot water floor heating system characterized by connecting a hose. 2. The hot water floor heating apparatus according to claim 1, wherein the joint elbow is connected to the hose through a rising hole provided in the hot water floor heating panel. 3. The joint elbow main body has protrusions arranged at right angles, and at the base of the protrusion of the joint elbow main body connecting at least one hose, the protrusion is larger than the outer diameter of the hose and smaller than the width of the hose band. Joint elbow formed by temporarily fixing the hose band. 4. The projection of the joint elbow main body is linearly arranged, and at the base of the projection of the joint elbow main body connecting at least one hose, the projection is larger than the outer diameter of the hose and smaller than the width of the hose band. Joint elbow formed by temporarily fixing the hose band.