JP2775372B2 - Water heater mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water heater mounting structure, and more particularly, to a mounting structure capable of easily mounting a water heater at a predetermined position of a mounting box.

[0002]

2. Description of the Related Art When a water heater is mounted on a mounting box, conventionally, for example, FIG.
As shown in (a), the water heater 51 is fitted into the mounting box 52, and an engaging hole 53 for mounting position setting and temporary fixing formed on the upper side of the water heater 51 is mounted on the upper part of the mounting box 52. After temporarily fixing by engaging with the engaging screw 54, and tightening other screws (including screws not shown in FIG. 5A) such as the fixing screw 55, the engaging screw 54 is tightened. And fixing (FIG. 5B)
A method of mounting the water heater 51 in the mounting box 52 is used.

According to this method, the water heater 51 can be attached alone, but since the engagement hole 53 for temporary fixing is provided on the upper side of the water heater 51, the engagement hole 53 is provided on the upper side. There is a problem that a space for arranging 53 is required, and the position of the exhaust port 56 of the water heater 51 (exhaust position) is lowered, so that the mounting standard cannot be satisfied.

[0004] Although not particularly shown, if it is not possible to increase the gap between the inside of the upper part of the mounting box and the upper side of the water heater, the water heater is installed in the mounting box in the same manner as the above-mentioned conventional method. After the water heater has been fitted, the water heater is lifted to a position where the water heater is to be mounted, that is, to a height (position) at which the water heater can be screwed with the fixing screw, and the water heater is mounted by a method of fixing the screw in that state.

According to this method, the water heater can be mounted on the upper side of the mounting box, but operations such as screw fixing are performed with the water heater raised to a position where the water heater can be screwed with the fixing screw. Since it must be performed, there is a problem that it is difficult to construct by itself.

The present invention has been made to solve the above problems, has excellent workability in a process of attaching a water heater to a mounting box, can be constructed by one person, and has a position of an exhaust port (exhaust position). An object of the present invention is to provide a water heater mounting structure that can be raised.

[0007]

In order to achieve the above object, in the water heater installation structure of the present invention, an exhaust port for exhausting combustion exhaust gas is provided at an upper portion on a front side or a rear side. in water heater mounting structure for mounting the water heater to the front side and rear side in the mounting box having an opening, as well as temporarily fixed water heater to the mounting box, on the water heater
Position that allows the part to fit into the top of the mounting box.
In order to be engaged, the temporary fixed engagement portion for performing the mounting position is located below the center of the side of the water heater other than the upper side.
Provided on the side or the lower side, the temporary fixed engaging portion is engaged with the engaging portion of the mounting box to perform the mounting position,
A predetermined position of the water heater is fixed to the mounting box by a method such as screwing.

Further, the temporary fixing engagement portion of the water heater is a daruma hole, and the engagement portion of the mounting box can engage with the daruma hole at a predetermined position corresponding to the daruma hole of the water heater. It is a hook fixing screw attached with only the head protruding.

The above-mentioned daruma hole means a hole (part) having a large diameter and a hole (part) having a smaller diameter (or width) through which the hook fixing screw passes when the water heater is mounted. It means one hole to be formed (the large-diameter portion and the small-diameter portion communicate with each other), and there is no particular restriction on the specific shape as long as the above requirements are satisfied.

[0010]

[Operation] The temporary fixing engagement portion is attached to a side of the water heater other than the upper side.
It is provided below or below the center.
Therefore, it is not necessary to secure a space for forming a temporary fixing engagement portion on the upper side or the upper side, and the water heater is mounted close to the upper portion of the mounting box having the front side and the back side opened. It becomes possible.

Therefore, it is possible to raise the mounting position of the water heater and raise the position of the exhaust port (ie, the exhaust position).

Further, in a state where the temporary fixing engaging portion of the water heater is engaged with the engaging portion of the mounting box, the water heater can be easily turned on the front side and the rear side only by tightening the fixing screws of other portions. Since the water heater can be mounted on the open mounting box, the water heater can be mounted on the mounting box by one person. In addition, the temporarily fixed engagement portion is not located on the upper side of the water heater.
So that it is located below or below the center of the side
, Making temporary fixing work easier and improving workability.
It becomes possible to do.

Further, a hook hole is formed in the water heater to form a temporary fixing engagement portion, and a hook fixing screw attached to the mounting box is attached with the head protruding as far as it can engage with the ball hole. By making it an engaging part of the box,
Simply hooking the head of the fixing screw into the larger diameter of the daruma hole and engaging the two with each other makes it possible to securely temporarily fix the water heater to the mounting box, making installation easier. Thus, the reliability can be further improved.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a mounting structure of a water heater according to an embodiment of the present invention, and FIGS. 2 and 3 are perspective views showing an engagement relationship of main parts when the water heater is mounted on a mounting box. is there. FIG. 4 is a side sectional view showing an example of a state where the water heater is attached to the attachment box.

As shown in FIGS. 1 to 3, in this embodiment, a daruma hole 2 is formed as a temporary fixing engagement portion at a position below the center of both sides of the water heater 1. An insertion hole 3 for passing a fixing screw 8 is formed above the daruma hole 2. An exhaust port 4 for discharging combustion exhaust gas is formed on the front surface 1a side of the water heater 1.

On the other hand, the mounting box 5 having the front side and the rear side opened is fixed to the metal frame 7, and the mounting box 5
In a screw hole 9 (FIG. 1) formed at a position lower than the center of both sides of the water heater 1, only a hook fixing screw (engaging portion) 6 can be engaged with the daruma hole 2 of the water heater 1. It is attached with the head protruding (see FIG. 2). A screw hole 10 into which the fixing screw 8 is screwed is provided above the screw hole 9.
(FIG. 1) is provided.

When the water heater 1 constructed as described above is mounted on the mounting box 5, the water heater 1 is connected to the lower portion inside the mounting box 5 in the same manner as when a conventional water heater is mounted (see FIG. 5A). The water heater 1 is inserted into the mounting box 5 by rotating the water heater 1 with the corner as a fulcrum, and then the water heater 1 is slightly lifted while being pulled toward the user slightly. The head of the hook fixing screw 6 attached to the attachment box 5 is fitted into the larger diameter portion (lower portion) (see FIG. 2). Then lower the position of water heater 1 a little,
The hook fixing screw 6 is securely engaged with the smaller diameter portion (upper portion) of the round hole 2.

Then, in this state, the fixing screw 8 is passed through the insertion hole 3, screwed into the screw hole 10 of the mounting box 5 and tightened, and then the hook fixing screw 6 engaged with the above-mentioned Daruma hole 2 is tightened (FIG. 3) By doing so, the water heater 1 can be securely mounted on the upper part of the mounting box 5.

FIG. 4 is a side sectional view showing a state in which the water heater 1 having the exhaust port 4 formed on the back surface 1b side is mounted on the mounting box 5 by the mounting structure of the present invention. Can be applied to a water heater in which the exhaust port is attached to either the front side or the back side.

According to the water heater mounting structure of the above embodiment,
Since the daruma hole (temporary fixed engagement part) 2 is formed on the side of the water heater 1, it is not necessary to secure a space for forming the tentative fixed engagement part such as a daruma hole on the upper side. Thus, the water heater 1 can be mounted close to the upper part of the mounting box 5.

Therefore, the position of the exhaust port 4 (exhaust position) of the water heater 1 can be made higher than in the conventional mounting structure.

Further, in a state where the ballhole (temporary fixing engagement portion) 2 of the water heater 1 is engaged with the hook fixing screw 6 of the mounting box 5, the water heater 1 is attached only by tightening the fixing screw 8. The water heater can be attached to the mounting box by itself.

In the above embodiment, the case where the Daruma hole (temporary fixed engaging portion) 2 is formed at a position lower than the center of both sides of the water heater 1 has been described, but in the water heater mounting structure of the present invention. It is possible to form a temporary fixed engaging portion such as a daruma hole at any position other than the upper side of the water heater, for example, it is also possible to form the temporary fixing engaging portion at the lower side of the water heater.

There is no particular limitation on the number of provisionally fixed engaging portions such as daruma holes, and the number of provisionally fixed engaging portions can be determined as appropriate in consideration of the relationship with the arrangement position. Further, in the above-described embodiment, the case where the hook fixing screw is used as the engaging portion is described. However, the engaging portion does not necessarily have to also serve as the fixing screw, and exhibits only the functions of temporary fixing and mounting position setting. It is also possible to configure so that

Further, in other respects, the present invention is not limited to the above embodiment, and various applications and modifications can be made within the scope of the invention.

[0026]

As described above, the water heater mounting structure of the present invention provides a water heater having an exhaust port for exhausting combustion exhaust gas at an upper portion on a front surface side or a rear surface side. While fixing, the temporary fixing engagement part for performing the mounting position, the temporary fixing engagement part is other than the upper side of the water heater.
So that it is located below or below the center of the side
Therefore , it is provided on the side or lower side other than the upper side of the water heater, and the temporary fixed engaging portion is engaged with the engaging portion of the mounting box to determine the mounting position, and the predetermined position of the water heater is determined. Is fixed to the mounting box by means of screws or the like, so there is no need to secure space on the upper side to form a temporary fixed engagement part, and the water heater is located close to the top of the mounting box. It becomes possible to attach.
Therefore, the position of the exhaust port (exhaust position) of the water heater can be increased.

Further, in a state where the temporary fixing engagement portion of the water heater is engaged with the engagement portion of the mounting box, the water heater can be easily mounted on the mounting box simply by tightening a fixing screw of another portion. Therefore, it becomes possible to attach the water heater to the mounting box alone. Also, temporarily fixed engagement
Part is lower than the central part of the side of the water heater other than the upper side
Or on the lower side, so temporary fixing work
It becomes easier and the workability can be improved.

Further, a hook hole is formed in the water heater to form a temporary fixing engagement portion, and a hook fixing screw attached to the mounting box is attached with the head protruding as far as it can engage with the ball hole. By making it an engaging part of the box,
Simply hooking the head of the fixing screw into the larger diameter of the daruma hole and engaging the two with each other makes it possible to securely temporarily fix the water heater to the mounting box, making installation easier. The reliability can be further improved.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a mounting structure of a water heater according to one embodiment of the present invention.

FIG. 2 is a perspective view showing an engagement relationship of main parts when attaching the water heater to the attachment box in one embodiment of the present invention.

FIG. 3 is a perspective view showing an engagement relationship of main parts when attaching the water heater to the attachment box in one embodiment of the present invention.

FIG. 4 is a side sectional view showing a state in which a water heater is mounted on a mounting box by the mounting structure of the present invention.

FIG. 5 is a diagram showing a conventional water heater mounting structure;
(A) is side sectional drawing which shows the process which fits a water heater in a mounting box, (b) is side sectional drawing which shows the state which attached the water heater to the mounting box.

[Description of Signs] 1 Hot water supply unit 2 Temporary fixing engagement part (Dharma hole) 3 Insertion hole 4 Exhaust port 5 Mounting box 6 Engagement part (hook fixing screw) 7 Metal frame 8 Fixing screw 9 Screw hole 10 Screw hole

Claims (2)

(57) [Claims] 1. A water heater mounting structure for mounting a water heater having an exhaust port for exhausting combustion exhaust gas at an upper portion on a front side or a rear side in a mounting box having open front and rear sides. in, as well as temporarily fixed water heater to the mounting box, water heater
Position where the upper part can be fitted into the upper part of the mounting box
As shown in the figure, the temporary fixing engagement portion for determining the mounting position is located at the center of the side of the water heater other than the upper side.
Provided on the lower side or the lower side, the temporary fixing engagement portion is engaged with the engagement portion of the mounting box to determine the mounting position, and the predetermined position of the water heater is fixed to the mounting box by a method such as screwing. A structure for mounting a water heater. 2. The temporary fixing engagement portion of the water heater is a daruma hole, and the engagement portion of the mounting box can engage with the daruma hole at a predetermined position corresponding to the daruma hole of the water heater. 2. The mounting structure for a water heater according to claim 1, wherein said fixing device is a hook fixing screw mounted with only its head protruding.