JPH10205883A - Slim type hot-water supplier - Google Patents

Abstract

PROBLEM TO BE SOLVED: To permit the use of parts of a slim type hot-water supplier in common without spoiling maintenance servsceability by a method wherein a combustion chamber assembly is received in an outside casing while facing the take-out port of a burner assembly toward the side surface of the casing while a rail assembly for taking the combustion chamber assembly out of the outside casing is provided. SOLUTION: A combustion chamber assembly 20 is incorporated into an outside casing 10 so that the opening and closing lid 14a, provided on the side surface of a burner case 14, comes to the front surface of the casing 10 while one of exhausting ports of an exhaust hood 11 is closed and the other exhausting port is opened. The replacing work of the burner assembly is effected by providing the outside casing 10 with a rail assembly 30 to take the combustion chamber assembly 20 out of the outside casing 10. In this case, the rail assembly 30 is constituted of the two-stage sliding structure of first and second rails 31, 32 whereby the combustion chamber assembly 20 can be drawn out sufficiently to a place, whereat the assembling work of the assembly 20 is effected easily by the rails, having a length which can be received in the outside casing 10.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water heater mainly installed in a pipe shaft of an apartment house, an apartment house or the like.

[0002]

2. Description of the Related Art Conventionally, a water heater for use in an apartment house or the like is mounted inside a pipe shaft, but the size of the pipe shaft is not uniform, and there are cases in which a narrow opening is provided inside. . For this reason, a water heater having a small width (250 mm or less), that is, a slim water heater, is known for a pipe shaft having a narrow frontage, which is suitable for the storage space. As shown in FIG. 4 (with the front cover removed), the conventional slim type water heater has the same width and depth, and accordingly, the components have the same width and depth. Components are used. The components include an outer body casing 40, a combustion chamber assembly 50 provided in the outer body casing 40, a fan assembly 46 for supplying combustion air, and piping such as a water supply pipe 47, a hot water supply pipe 48, and a gas pipe 49. Consists of The combustion chamber assembly includes an exhaust hood 41 for discharging combustion exhaust gas, a heat exchanger 42 for raising the water temperature with high-temperature exhaust gas, an inner body 43 forming the combustion chamber, and a burner case 44 for housing a burner assembly 45. I have.

[0003]

However, the slim type water heater has a large width and a small depth which is conventionally produced in large numbers due to the special shape of the slim water heater, such that the front width and the depth are substantially the same. The parts used in the container cannot be shared and used, and most of the used parts are dedicated parts. Therefore, it is conceivable that the depth of the outer casing 40 is increased and the combustion chamber assembly used in the thin water heater is rotated by 90 degrees and attached to the slim type water heater. However, the burner assembly outlet 44a of the burner case is required. Since it is located from the front to the side, it is difficult to replace the burner from the front, and it is time-consuming to remove and disassemble the equipment when repairing a failure or for maintenance and inspection, and then replace the burner in the combustion chamber assembly. Must be performed. Of course, dedicated parts were produced in a variety of small quantities, and were expensive in terms of production and management. As shown in FIG. 5, a thin water heater is used in which each part is long and small in depth.
The parts configuration of the combustion chamber assembly is almost the same as that of the slim type water heater, and the same reference numerals as those of the slim type water heater are attached and the description is omitted.

[0004] It is an object of the present invention to provide a slim water heater that solves the above-mentioned problems and allows the components of a thin water heater to be shared without impairing maintainability.

[0005]

According to a first aspect of the present invention, there is provided a slim water heater in which components such as an exhaust hood, a heat exchanger, a burner case, and a burner are integrally assembled. A slim water heater having a depth greater than a front width, comprising a combustion chamber assembly provided with a burner assembly outlet on a side surface of the burner case, and an outer casing housing the combustion chamber assembly. A gist of the present invention is that a chamber assembly is housed in the outer casing with the burner assembly outlet facing the side, and a rail assembly for drawing the combustion chamber assembly out of the outer casing.

The slim water heater according to the second aspect of the present invention is characterized in that the rail assembly is constituted by a sliding two-stage rail.

In a slim type water heater according to a third aspect of the present invention, components such as an exhaust hood, a heat exchanger, a burner case, and a burner assembly are integrally assembled, and a burner assembly is mounted on a side surface of the burner case. What is claimed is: 1. A slim water heater having a depth greater than a front width, comprising a combustion chamber assembly provided with an outlet, and an outer body casing accommodating the combustion chamber assembly, wherein the combustion chamber assembly is connected to the burner assembly outlet. And a hook for engaging the combustion chamber assembly with the outer body casing is provided.

In the slim type water heater according to the first aspect of the present invention, since the combustion chamber assembly can be taken out to the outside by the rail assembly provided on the outer casing, the burner assembly of the burner case at the time of replacement of the burner assembly. Even if the outlet is located on the side, the burner can be easily taken out because the work is performed outside the outer casing. In addition, by bringing the front of the combustion chamber assembly of the thin water heater toward the side, it can be incorporated into a slim water heater having a depth greater than the front width. Therefore, the combustion chamber assembly of the thin water heater can be used as a slim water heater.

Further, in the slim type water heater according to the second aspect, the rail is elongated by sliding the two-stage rail. Therefore, the combustion chamber assembly can be pulled out to a position where the replacement operation of the burner assembly can be sufficiently performed by the rail length accommodated in the outer casing.

In the slim water heater according to the third aspect of the present invention, the combustion chamber assembly is fixed to the outer body casing by the hook. Therefore, the combustion chamber assembly is supported only by the hook even after the mounting screw of the combustion chamber assembly is removed. Since the combustion chamber assembly can be taken out as it is, there is no need for the operator to support the combustion chamber assembly, and the combustion chamber assembly can be taken out to the outside. However, the burner can be easily replaced.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to further clarify the configuration and operation of the present invention described above, an embodiment of a slim type water heater of the present invention will be described below. FIG. 1 is a schematic configuration diagram of a slim water heater as one embodiment. The slim water heater 1 includes an outer body casing 10 having a width smaller than the depth, a combustion chamber assembly 20 provided in the outer body casing 10, and a fan assembly (not shown) for supplying combustion air to the combustion chamber assembly 20. And water supply pipe 17, hot water supply pipe 18, gas conduit 1
9 and the like. The combustion chamber assembly 20
Exhaust hood 11 for discharging combustion exhaust gas, heat exchanger 12 for heating water flowing through with high-temperature exhaust gas, inner shell 13 forming a combustion chamber, and burner case 1 for housing burner assembly 15
And 4.

A rail assembly 30 is mounted on the inner side surface (right side in the drawing) of the outer casing 10. As shown in FIG. 2, the rail assembly 30 includes a first cylindrical rail 31 fixed to the outer casing 10 and a second rail 32 having a U-shaped cross section. The first rail 31 is a tubular body having a rectangular cross section, a groove 37 is formed in the sliding direction of one side surface, and the upper surface is cut from the rear to near the middle in the longitudinal direction to form the locking portion 36. The second rail 32
A sliding groove 33 having a U-shaped back central portion opened in the sliding direction.
A locking piece 35 whose upper rear end in the longitudinal direction is bent upward is formed, and is slidably mounted inside the first rail 31.

As shown in FIG. 3, the exhaust hood 11 also serves as an exhaust hood of a thin water heater, and has exhaust ports 11a and 11b formed on the front and one side, and has different exhaust directions. However, any exhaust port can be shared by closing it. The front exhaust port 11a is provided with an exhaust cover 11d, and the side exhaust port 11b is closed by a closing plate 11c. A sliding pin 34 is fitted on the other side. The sliding pin 34 is mounted in the sliding groove 33 of the second rail 32. As shown in FIG. 2, the burner case 14 is provided with an opening / closing lid 14a on a side surface, and repairs and replacements of the burner assembly 15 are performed during maintenance.

Next, replacement of parts in repair or the like, for example, replacement of the burner assembly 15 will be described. First, the front cover (not shown) is removed, and then the combustion chamber assembly 2
0, a hot water supply pipe 18, a hot water supply pipe 18,
The joint of the gas conduit 19 is removed. Then, a fixing member (not shown) such as a screw fixing the combustion chamber assembly 20 to the outer body casing 10 is removed, and the combustion chamber assembly 20 is slid on a rail and taken out. At this time, the sliding pin 34 provided on the exhaust hood 11 slides in the sliding groove 33 of the second rail 32,
Next, the combustion chamber assembly 20 is guided to the outside while the second rail 32 slides on the first rail 31. At the same time, the combustion chamber assembly 20 is supported on the second rail via the sliding pin 34. Further, since the locking piece 35 of the second rail 32 is locked by the locking portion 36 of the first rail 31, it is not pulled out more than necessary. When the combustion chamber assembly 20 is pulled out, work on the side of the combustion chamber assembly 20 is enabled. Therefore, the opening / closing lid 1 provided on the side of the burner case 14
4a, the fixing member (not shown) of the burner assembly 15 is removed, and the burner assembly is taken out for repair and replacement. After the burner assembly is repaired or replaced, the burner assembly is stored in the combustion chamber assembly 20 by sliding the rail surface in the same manner as when the burner assembly is taken out and stored in the outer casing 10.

When the combustion chamber assembly 20 of this embodiment is used for a thin water heater, the combustion chamber assembly 20 is mounted such that the opening / closing lid 14a provided on the side surface of the burner case 14 faces the front. And one exhaust port 11a of the exhaust hood 11 is closed, and the other exhaust port 11b is opened. The replacement operation of the burner assembly 15 can be easily performed from the front only by removing the front cover since the opening / closing lid 14a for attaching and detaching the burner assembly 15 is located at the front.

As described above, according to the slim water heater 1 of the present embodiment, the burner assembly 15 is housed in the outer body casing such that the outlet is located on the side, so that the combustion chamber assembly 20 of the thin water heater is provided. Can be used, and a rail assembly 30 is provided on the outer body casing 10 so that the combustion chamber assembly 20 can be used.
Can be easily taken out of the outer casing 10 so that when the burner assembly 15 is repaired or replaced, even if the attachment / detachment portion of the burner assembly 15 is on the side surface of the burner case 14, the operation can be performed without any trouble. Can be. Further, since the rail assembly 30 is a two-stage slide of the first and second rails 31 and 32, it is possible to sufficiently pull out the combustion chamber assembly to a place where the work can be easily performed by a rail having a length that can be accommodated in the outer body casing 10. it can. Moreover, since the locking piece 35 is used to stop at the locking portion 36, the second rail 32 is pulled out too much and
It does not occur that it comes off the rail 31.
Further, the exhaust hood 11 has exhaust ports 11a,
11b, it can be used for both thin and slim water heaters.

The embodiments of the present invention have been described above.
The present invention is not limited to such an embodiment. For example, the rail assembly 30 may be provided not only on the side surface of the outer body casing 10 but also on the upper surface or any other position, or a plurality of rail assemblies may be provided. As shown in FIG. 6, a hook 21 and a hook receiver 22 are used instead of the rail assembly 30 so that an operator does not need to support the attachment and detachment of the combustion chamber assembly 20.
May be provided in the combustion chamber assembly 20 and the outer casing 10. In this case, since the combustion chamber assembly is engaged with the outer casing by hooks, even after the mounting screws of the combustion chamber assembly are removed, only the hooks are used. Because it is supported, the combustion chamber assembly can be taken out as it is, and the operator does not need to support it. Further, a connection port 7b of an exhaust adapter 7a as shown in FIGS. 7 and 8 is connected to an exhaust port of an exhaust hood of the thin water heater to exhaust air to the exhaust port 7 of the exhaust adapter 7a.
In this case, the size and shape of the exhaust port 7c can be freely set since the exhaust adapter 7a may be a dedicated product. In this case, a thin exhaust hood may be used. Can be used as is. Of course, the present invention can be implemented in various modes without departing from the gist of the present invention.

[0018]

As described above in detail, according to the slim water heater of the present invention, the rail assembly is provided on the outer casing, the burner assembly outlet is provided on the side of the burner case, and the combustion chamber of the thin water heater is provided. Since the assembly can be used for slim water heaters, parts can be easily replaced and the thin water heater and the combustion chamber assembly can be shared without compromising maintenance, reducing the number of parts and improving productivity. I do.

Further, according to the slim type water heater according to the second aspect of the present invention, since the rail assembly is of a two-stage rail slide type, the combustion chamber assembly can be pulled out to a place where the work can be easily performed with a compact rail. Can increase productivity.

Further, according to the slim water heater according to the third aspect of the present invention, the combustion chamber assembly can be supported at the time of repair or replacement of the burner by a simple mechanism such as provision of a hook, which is economical.

[Brief description of the drawings]

FIG. 1 is a schematic view of a slim type water heater as one embodiment.

FIG. 2 is a schematic explanatory view of a combustion chamber assembly and a rail assembly as one embodiment.

FIG. 3 is a schematic view of an exhaust hood as one embodiment.

FIG. 4 is a schematic view of a slim type water heater as a conventional example.

FIG. 5 is a schematic view of a thin water heater as a conventional example.

FIG. 6 is a schematic explanatory view of a combustion chamber assembly and hooks as another embodiment.

FIG. 7 is a schematic diagram of a slim water heater as another embodiment.

FIG. 8 is a schematic view of an exhaust adapter as another embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Slim type water heater 10 ... Outer body casing 11 ... Exhaust hood 11a, 11b ... Exhaust port 11c ... Closure plate 14 ... Burner case 14a ... Lid 15 ... Burner assembly 20 ... Combustion chamber assembly 30 ... Rail assembly 31 ... 1st rail 32 ... second rail 33 ... sliding groove 34 ... sliding pin 35 ... locking piece 36 ... locking part 37 ... groove

Claims (3)

[Claims] An exhaust hood, a heat exchanger, a burner case,
A part deeper than a front width including a combustion chamber assembly in which components such as a burner assembly are integrally assembled and provided with a burner assembly outlet on a side surface of the burner case, and an outer trunk casing for housing the combustion chamber assembly. Is a large slim water heater, wherein the combustion chamber assembly is housed in the outer body casing with the burner assembly outlet facing a side, and the combustion chamber assembly is drawn out of the outer body casing. A slim water heater characterized by a rail assembly. 2. The slim water heater according to claim 1, wherein said rail assembly comprises a sliding two-stage rail. 3. An exhaust hood, a heat exchanger, a burner case,
A part deeper than a front width including a combustion chamber assembly in which components such as a burner assembly are integrally assembled and provided with a burner assembly outlet on a side surface of the burner case, and an outer trunk casing for housing the combustion chamber assembly. Is a large slim water heater, wherein the combustion chamber assembly is housed in the outer casing with the burner assembly outlet facing the side, and a hook for engaging the combustion chamber assembly with the outer casing. A slim water heater characterized by having: