JP3392198B2 - Electric water heater plumbing equipment - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to piping equipment for electric water heaters used in detached houses, condominiums and the like.

[0002]

2. Description of the Related Art As a method of supplying hot water to a building, there is a conventional pipe branching system that has corrosion of a pipe, instability of water pressure
In order to solve the drawbacks such as the complexity of construction and the difficulty of updating, the resin pipe 41 and the header 42 as shown in FIG.
Header piping schemes have been used.

That is, this piping system eliminates corrosion by using a resin pipe 41 such as a cross-linked polyethylene pipe or polybutene pipe, and uses a header 42 to eliminate water pressure instability and shorten the waiting time for hot water. By improving the usability and by using the sheath pipe 43 through which the resin pipe 41 is passed, the water supply and hot water supply pipe can be updated without destroying the slab structure and the interior.

As shown in FIG. 10, an electric water heater used in a detached house or an apartment house is provided with various functional parts such as a water supply relief valve 44 and a hot water relief valve 45 around an electric water heater 40. ing.

When the header piping system using the resin pipe 41 is adopted for the electric water heater 40, the connection between the functional parts around the electric water heater 40, the water supply, and the fixing of the header for the hot water supply piping to the building are not achieved. Since it is constructed on-site, there is a problem in that work skill is indispensable and on-site construction time is increased.

To solve this problem, as shown in FIG.
As shown in FIG. 12, a rectangular pipe frame 50 made of an aluminum extruded product is erected from the floor, and the functional parts and the water supply and hot water supply pipe headers 51 and 52 can be attached to the pipe frame 50. Proposed. According to this configuration, since the functional parts around the electric water heater and the headers 51 and 52 for water supply and hot water supply piping are attached to the pipe frame 50, the connection, maintenance, and inspection of the piping around the electric water heater are collectively performed. You can

[0007]

However, as shown in FIG.
1, According to the configuration shown in FIG. 12, since the pipe frame 50 is formed of an aluminum extrusion molded product, and an extrusion molding frame is required at the time of manufacturing, the manufacturing cost becomes high and the external pressure from the lateral direction, etc. There was a problem that it was weak in terms of strength. Further, the pipe frame 50 has a rectangular shape,
Since the horizontal distance between the pipe frames 50 is uniform in the vertical direction, headers 51, 52 for functional parts, water supply, and hot water supply pipes are provided.
When the dimensions are different, the piping frames 50 suitable for the dimensions are individually manufactured, so that a large number of types of piping frames 50 are required, which is troublesome and the manufacturing cost further increases.

The present invention solves the above-mentioned problems, and while it is possible to obtain sufficient strength, the manufacturing cost can be kept low, and functional parts of various sizes, water supply pipes, hot water supply pipe headers, etc. are commonly used. It is an object of the present invention to provide piping equipment for an electric water heater that can be attached to the piping frame of.

[0009]

In order to solve the above-mentioned problems, the first means of the present invention is to use a pipe material having a triangular shape or a round shape.
And the horizontal distance between the pipes is increased.
Forming a loop-shaped piping frame that changes sequentially in the downward direction
However, the horizontal distance of this piping frame is
A machine connected to an electric water heater between changing pipe materials
Install the functional parts and water supply header and hot water supply header
It will be.

[0010]

The second means of the present invention is the first means described above .
In the means , the piping frame is configured to be attachable to the wall or the floor supporting member. A third means of the present invention is the same as the second means, wherein the piping frame is attachable to a wall or a floor-standing support member via an attachment fitting.

The fourth means of the present invention is the same as the third means, wherein both ends of the pipe material of the piping frame are attached by means of mounting fittings.
The pipe frames are formed in a loop shape by fixing the parts in a state of abutting each other.

[0013]

With the first means, the pipe frame is formed of a loop-shaped pipe, so that the pipe frame has sufficient strength and
An inexpensive material such as an iron pipe can be used. In addition,
The pipe frame is formed into a loop shape such as a triangle shape or a round shape, and piping is performed.
A pie in which the horizontal distance of the frame sequentially changes in the vertical direction.
Between the plug members, functional parts connected to the electric water heater and
By installing the water supply header and the hot water supply header,
For functional parts of various sizes and headers for water supply and hot water supply piping
Even one piping frame can be used.

[0014]

Further, since the pipe frame can be attached to the wall or the floor support member by the second means,
The pipe frame can be attached to both the wall and the floor, and by attaching the pipe frame through the attaching metal fitting in the third means, the attachment to the wall or the floor supporting member can be performed easily and reliably. be able to.

Further, by the above-mentioned fourth means, the mounting fitting can also be used as a member for holding the shape of the pipe frame in a loop shape.

[0017]

Embodiments of the present invention will be described below with reference to FIGS. As shown in FIG. 1, a resin pipe 1 supplied with water from a water meter is connected to a water supply header 2, and each outlet 3 of the water supply header 2 is connected to a water supply port of each water supply device by a resin pipe. In addition, after passing through the water stopcock 4 and the pressure reducing valve 5 from the water supply header 2, it is connected to the water supply port 7 of the electric water heater 6. Here, a water supply relief valve 8 is connected to the downstream side branch portion of the water supply header 2 so as to ensure the safety of the water supply pressure and enable drainage of water at the time of preventing freeze of the pipe.

A hot water supply port 10 is provided above the electric water heater 6 via an air vent valve 9, and a hot water supply header 12 is connected to the hot water supply port 10 through a hot water supply stopcock 11. A resin pipe is provided from each outlet 13 of the hot water supply header 12 to the hot water supply port of each hot water supply device. Here, the hot water supply relief valve 14 is connected to the upstream branch portion of the hot water supply header 12 to ensure the safety of the hot water supply pressure and to enable drainage of water when the pipe is frozen.

Drainage from a water stopcock 16 connected to a drainage port 15 of the electric water heater 6 is received by a hopper 17 and connected to a drainage pipe. 2 to 4 show the pipe frame 20 of the present invention.
An example of the piping equipment using the
Reference numeral 0 indicates a pipe material having a circular cross section, that is, a so-called electric wire tube, which is formed in a substantially triangular shape. This pipe material can be easily bent into a substantially triangular shape by using a bending jig.

The piping frame 20 is, as shown in FIGS.
It can be attached to the wall 23 via the wall mounting metal fittings 21 and 22, and is also mounted to the floor support members 25 and 26 via the floor mounting metal fitting 24 as shown in FIGS. It is possible.

That is, when the pipe frame 20 is mounted on the wall 23, the pipe frame 20 is fixedly supported by the wall mounting metal fittings 21 and 22 via the bolts 32, and the pipe frame 20 is mounted on the floor 27. In some cases, floor mounting hardware 28, 2
Floor support members 25 and 26 fixed to the floor 27 at 9
The pipe frame 20 is fixedly supported by the floor mounting bracket 24 and the bolts 33.

Further, the pipe frame 20 is bolted to the wall mounting metal fitting 21 or the floor-standing support member 25 in a state where both ends 20a and 20b of the pipe material which is cut and curved to a predetermined length are butted against each other. It is fixed by and is formed in a triangular shape.

Resin pipes are connected to the water supply and hot water supply headers 2 and 12 in correspondence with the required number of water supply and hot water supply ports, and a water supply stopcock 4, a pressure reducing valve 5, a water supply relief valve 8, as functional parts,
Together with the hot water supply stopcock 11, the hot water supply relief valve 14, etc., the hot water supply stopcock 11 and the hot water supply relief valve 14 are held by the pipe frame 20 via a U-shaped bolt 31, a wall mounting metal piece 21, and a metal band (not shown).

With the above construction, since the pipe frame 20 is made of the iron pipe material, the pipe frame 20 has sufficient strength, the manufacturing cost is low, and the mold and the like required when using the extrusion molded product are not necessary. Moreover, it can be easily formed into a triangular shape using a bending jig. Further, since the pipe frame 20 has a triangular shape and the horizontal distance between the pipe frames 20 sequentially changes in the vertical direction, the same applies to the functional parts of various sizes, the water supply and hot water supply pipe headers 2 and 12, and the like. It can be installed at a horizontal distance suitable for piping, and the same shape of the piping frame 20 can be used for functional parts of various sizes and water supply,
The hot water supply pipe headers 2 and 12 can be easily held.

Further, the pipe frame 20 is attached to the wall mounting fittings 21 and 2.
Since it is configured to be attachable to the support member 25 or 26 for floor placement, the pipe frame 20 can be attached to both the wall 23 and the floor 27 in common. Especially the wall 23
Since it is possible to install it on the floor, the anchor embedding work that was conventionally required when installing on the floor is unnecessary, and after the construction work of the electric water heater installation space, it is possible to perform water supply and hot water supply piping work, waiting time for construction work. Can be reduced.
Further, the wall mounting fittings 21 and 22 and the floor mounting fitting 24 can easily and reliably mount the piping frame 20 to the wall 23 or the floor-standing support members 25 and 26.

Further, since the both ends 20a, 20b of the pipe frame 20 are abutted against each other and formed into a triangular shape by the wall mounting metal fittings 21, 22 and the floor mounting metal fitting 24, the strength of the piping frame 20 is improved. Together with both ends 2 of the piping frame 20
It is possible to prevent the alignment positions of 0a and 20b from shifting, and further, since the wall mounting metal fittings 21 and 22 and the floor mounting metal fitting 24 are also used as members for holding the shape of the pipe frame 20, the number of parts can be reduced. .

When the pipe frame 20 is installed on the wall 23 via the wall mounting metal fittings 21 and 22, not only can it be installed along the vertical direction, but it can also be oriented laterally or diagonally. Is. Further, the pipe 20 can protect the main pipes, and the pipe 20 can be moved while holding the pipe, which increases the portability.

FIG. 8 relates to another embodiment in which the piping frame 35 has a round shape, and the piping frame 35 can also obtain the same operational effect as the triangular piping frame 20. Further, the piping frame 20 is not limited to the triangular shape or the round shape, and a polygonal shape may be used.

[0029]

As described above, according to the present invention, the pipe frame
By forming the pipe material into a loop shape , the pipe frame has sufficient strength, and an inexpensive material such as an iron pipe can be used, so that the cost can be reduced.

Further, the piping frame is formed in a loop shape such as a triangular shape or a round shape, and the horizontal distance of this piping frame corresponds to the vertical direction.
Connected to an electric water heater between pipe materials that change sequentially
Function parts and water supply header and hot water supply header
By mounting Rukoto, functional parts and water of various sizes, the mounting of the header for hot water supply pipe can be accommodated in the piping frame of the same dimensions.

Further, by constructing the piping frame so that it can be freely attached to the wall or the floor supporting member via the mounting metal fitting, the piping frame can be attached to both the wall and the floor, Since it can be installed on the wall, the anchor embedding work that was conventionally required when installing on the floor is unnecessary, and after the construction work of the piping frame space, it is possible to perform water supply and hot water supply piping work, and the construction wait time Can be reduced.

Further, the pipe material of the piping frame is attached by the mounting bracket.
By fixing both ends in a state of being abutted against each other and forming the pipe frame in a loop shape, the mounting metal fitting can also be used as a member for holding the shape of the pipe frame, and the number of parts can be reduced.

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of piping equipment of an electric water heater according to an embodiment of the present invention.

[Fig. 2] Front view of piping equipment of the electric water heater

FIG. 3 is a plan view of piping equipment of the electric water heater.

[Fig. 4] Side view of piping equipment of the electric water heater

FIG. 5 is a front view of piping equipment of an electric water heater according to another embodiment of the present invention.

FIG. 6 is a plan view of piping equipment of the electric water heater.

[Fig. 7] Side view of piping equipment of the electric water heater

FIG. 8 is a front view of piping equipment of an electric water heater according to another embodiment of the present invention.

FIG. 9 (a) is a perspective view showing a structure of a header piping system using a resin pipe in a piping facility of a conventional electric water heater, and FIG. 9 (b) is an enlarged perspective view showing a sheath pipe of the same piping system.

FIG. 10 is a front view showing an arrangement of main functional piping parts of a conventional electric water heater.

FIG. 11 is a front view of piping equipment for an electric water heater that employs a conventional header piping system.

FIG. 12 is a side view of piping equipment of an electric water heater using a conventional header piping system.

[Explanation of symbols]

2 water supply header 4 Water stopcock 5 Pressure reducing valve 6 electric water heater 8 Water supply relief valve 11 Hot water supply stopcock 12 Hot water supply header 14 Hot water supply relief valve 20,35 piping frame 20a, 20b both ends 21,22 Wall mounting bracket 23 walls 24 Floor mounting bracket 25,26 Floor support member 27 floors

─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Hiromi Awatsuji 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd. (72) Ino Hideo Ando 1006 Kadoma, Kadoma City, Osaka Matsushita Electric Industrial Co., Ltd. In-house (72) Inventor Hideo Nakamura 3-3-22 Nakanoshima, Kita-ku, Osaka City, Osaka Prefecture Kansai Electric Power Co., Inc. (72) Inventor Masashi Wada 3-3-22 Nakanoshima, Kita-ku, Osaka City, Osaka Kansai Electric Power Co., Inc. In-house (72) Inventor Emi Fukumoto 3-22 Nakanoshima, Kita-ku, Osaka-shi, Osaka Kansai Electric Power Co., Inc. (72) Inventor Kiyoshi Watanabe 2-10-5 Katamachi, Miyajima, Osaka-shi, Osaka Kumagaya Co., Ltd. Group Osaka Branch (72) Inventor Eiichi Ishikawa 2-10-5 Katamachi, Miyakojima-ku, Osaka City, Osaka Prefecture Kumagaya Co., Ltd. Osaka Branch (72) Inventor Hibiki Yamashiro Osaka Prefecture 2-10-5 Katamachi, Miyakojima-ku, Kumagai Gumi Co., Ltd. Osaka Branch (56) References JP-A-5-312413 (JP, A) JP-A-51-122822 (JP, A) SAI-KAI 64-53586 ( JP, U) Actual development Sho 62-82484 (JP, U) (58) Fields investigated (Int.Cl. ⁷ , DB name) F24H 9/06 301 F16L 1/00

Claims (4)

(57) [Claims] 1. The pipe material is shaped like a triangle or a circle.
Bend it so that the horizontal distance between the pipes
To form a looped piping frame that changes in sequence and
A pie in which the horizontal distance of the frame sequentially changes in the vertical direction.
Between the plug members, functional parts connected to the electric water heater and
Plumbing equipment for electric water heaters with a water supply header and a hot water supply header attached . 2. The pipe frame is attached to a wall or a floor support member.
The plumbing system for an electric water heater according to claim 1, which is attachable. 3. The pipe frame is a wall or floor through a mounting bracket.
The plumbing equipment for an electric water heater according to claim 2, which is attachable to a support member for placement . 4. Both ends of the pipe material of the piping frame by means of mounting brackets
Loop the pipe frame by fixing the parts butted against each other
The piping equipment of the electric water heater according to any one of claims 1 to 3 , which is formed into a shape .