JP2018185090A - Water heater and fitting method of water heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce cost and managerial trouble while even with one bracket, it is possible to cope with a mounting mode in which the arrangement pattern of a locking hole and a final stop hole are different so that it is excellent in workability.SOLUTION: In a bracket 11 attached on a back board 6 of a water heater 1, a first fitting part 12A and a second fitting part 12B are provided at the top and bottom; the arrangement pattern of a locking hole 14A and final stop holes 15A and 15A formed in the first fitting part 12A and the arrangement pattern of a locking hole 14B and final stop holes 15B and 15B formed in the second fitting part 12B are different from each other; a first fitting aspect, in which the second fitting part 12B faces downward is fixed on the back board 6 and the first fitting part 12A faces upward is fixed on the wall surface, and a second aspect, in which the bracket 11 is inverted upside/down to fix the first fitting part 12A downward on the back board 6 and the second fitting part 12B placed on the upper side is fixed on the wall surface, are selectable.SELECTED DRAWING: Figure 4

Description

  The present invention relates to a water heater that accommodates a combustion device and the like and heats the internal water to generate hot water, and a method of attaching the water heater to a vertical surface such as a wall surface.

  The water heater is configured by housing a combustion device including a burner, a heat exchanger, and the like in a housing. For example, as disclosed in Patent Document 1, screws and bolts are provided via brackets provided on the back and top of the housing. It can be attached to the wall of a building.

Japanese Patent Laid-Open No. 2005-9748

The bracket is provided with a locking hole for temporarily fixing to a vertical surface such as a wall surface and a plurality of main locking holes for final locking, and the locking hole is engaged with a temporary fixing screw screwed into the vertical surface. It can be fixed by screwing a screw or the like into the vertical surface through the main retaining hole in a state of being stopped and temporarily fixed.
However, there is a case where a mounting washer is provided on the vertical surface in which a temporary set screw for locking and temporarily fixing the bracket and a screw hole for final fixing with a screw or the like are provided in advance. The arrangement pattern of the temporary fixing screws and screw holes provided in the mounting washer often differs depending on the manufacturing time, the manufacturer, and the like. Therefore, there is a possibility that a single bracket in which the arrangement of the locking holes and the main fixing holes is determined cannot be used. It was necessary to prepare, and the cost and the labor of management were increased.

  Therefore, the present invention provides a water heater and a method for mounting the same, which can cope with mounting modes in which the arrangement pattern of the locking holes and the main locking holes is different even with a single bracket, is excellent in workability, and can reduce the cost and labor of management. It is intended to provide.

In order to achieve the above object, the invention described in claim 1 is a water heater in which a bracket for mounting on a vertical surface is detachably provided at least on the back of a casing housing a combustion device. And
The bracket is provided with a first mounting portion and a second mounting portion at the top and bottom, and both mounting portions have a locking hole for locking to a locking portion provided on the vertical surface, and a vertical surface. A fixing hole for fixing to the rear surface and an attachment hole for fixing to the back surface are formed, and an arrangement pattern of the locking holes and the main fixing holes formed in the first mounting portion, The arrangement pattern of the locking holes and the main fixing holes formed in the mounting portion is different from each other, and the second mounting portion is fixed to the back face downward, and the first mounting portion is fixed to the vertical surface. 1st mounting mode to be selected and a second mounting mode in which the bracket is turned upside down and fixed to the back surface with the first mounting portion facing down, and the second mounting portion up is fixed to the vertical surface It is possible.
According to a second aspect of the present invention, in the configuration of the first aspect, the bracket is formed in a shape in which the first mounting portion and the second mounting portion are vertically asymmetric.
In order to achieve the above object, the invention according to claim 3 is a method of mounting a water heater, wherein the bracket of the water heater according to claim 1 or 2 is provided with a locking portion provided on a vertical surface, and According to the arrangement pattern of the screw holes, either the first mounting mode or the second mounting mode is selected and fixed to the back surface, and is mounted to the vertical surface via the fixed bracket.

According to the first and third aspects of the invention, one bracket can be selected by using the brackets in which the arrangement patterns of the holes are different from each other on the upper and lower sides. However, it is possible to cope with different mounting modes in which the arrangement patterns of the locking holes and the main fixing holes are different. Therefore, it is excellent in workability and can also reduce the cost and labor of management.
According to the second aspect of the present invention, in addition to the effect of the first aspect, since the bracket is formed asymmetrically in the vertical direction, it is easy to distinguish between the first mounting portion and the second mounting portion. It is difficult to make a mistake in the direction of mounting to the vessel.

It is a perspective view of a water heater (1st attachment aspect). It is a front view of a water heater (1st attachment aspect). It is explanatory drawing of a bracket, (A) is a front, (B) is a plane, (C) is a bottom face, (D) shows a side surface, respectively. It is a rear view of a water heater (1st attachment aspect). It is the perspective view which looked at the upper part of the water heater from the back side (the 1st attachment mode). It is explanatory drawing which shows the state which attached the water heater to the wall surface in the 1st attachment aspect. It is a rear view of a water heater (2nd attachment aspect). It is the perspective view which looked at the upper part of the water heater from the back side (2nd attachment aspect).

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 is a perspective view showing an example of a water heater, and FIG. 2 is a front view.
The water heater 1 includes a vertically long box-shaped housing 2 formed of a top plate 3 and a bottom plate 4, left and right side plates 5, 5, and a back plate 6 with an opening formed on the front surface, and a front surface that blocks the front surface of the housing 2. And a cover 7. The casing 2 accommodates components such as a combustion section including a burner, a heat exchange section including a heat exchanger, and a combustion device including an exhaust section. The front cover 7 is provided on the front surface of the exhaust section. A long hole 9 into which the horizontally long exhaust port 8 is fitted is formed, and combustion air intake holes 10 are formed on the lower side and the side of the front surface.

Brackets 11 for attaching to a vertical surface such as a wall surface are provided above and below the back plate 6 of the housing 2. As shown in FIG. 3, the bracket 11 is a metal plate that includes a first mounting portion 12A, a second mounting portion 12B, and a connecting portion 13 that connects both mounting portions 12A and 12B in parallel. is there.
The first and second mounting portions 12A and 12B are screwed to the vertical surface and one locking hole 14 for locking to a locking portion provided on the vertical surface to which the housing 2 is mounted. A pair of main fixing holes 15 and 15 and two pairs of inner mounting holes 16 and 16 and outer mounting holes 17 and 17 having different intervals for screwing to the back plate 6 are formed. However, here, the arrangement patterns of the locking holes 14, the main fixing holes 15, the inner mounting holes 16 and the outer mounting holes 17 are different from each other in the mounting portions 12A and 12B.

  Hereinafter, although the arrangement pattern of each hole in each attachment part 12A, 12B is demonstrated, in order to distinguish with both, the code | symbol of each hole is attached | subjected with A and B. FIG. For convenience, the first mounting portion 12A will be described as the upper side.

First, the first mounting portion 12A has a horizontally long rectangular shape, and a locking hole 14A having an elliptical shape extending in the vertical direction and having a large diameter round hole at the center is formed at the center in the left-right direction. On both the left and right sides of the height, oval main retaining holes 15A, 15A extending left and right are formed at left and right symmetrical positions with the locking hole 14A as the center. Further, a pair of left and right round holes 18A, 18A having a larger diameter than the main stop hole 15A are formed on both outer sides of the main stop holes 15A, 15A.
Further, a pair of left and right reinforcing ribs 19A, 19A are formed upward from the connecting portion 13 between the locking hole 14A and the main locking holes 15A, 15A. On the left and right outer sides of the reinforcing ribs 19A and 19A, a pair of inner mounting holes 16A and 16A that are close to the base end of the reinforcing rib 19A, and a distance closer to the distal end of the reinforcing rib 19A than the inner mounting holes 16A and 16A. A wide pair of outer mounting holes 17A, 17A are formed vertically.

Next, the second attachment portion 12B has a horizontally long rectangular shape that is longer to the left and right than the first attachment portion 12A and shorter to the top and bottom. Thereby, the bracket 11 has a vertically asymmetric shape.
At the center in the left-right direction of the second mounting portion 12B, there is formed a locking hole 14B having an oval shape extending in the vertical direction and having a large-diameter round hole at the upper end, and a pair of left and right reinforcing ribs on both sides thereof. 19B and 19B are formed downward from the connecting portion 13. A pair of inner mounting holes 16B and 16B having the same diameter and the same spacing as the inner mounting holes 16A and 16A and the same diameter and the same spacing as the outer mounting holes 17A and 17A are provided on the base end side outside the reinforcing ribs 19B and 19B. The pair of outer mounting holes 17B, 17B are formed at the same height in the vertical direction, and a pair of left and right round holes having a larger diameter than the inner mounting hole 16B are formed below the inner mounting holes 16B, 16B. 18B and 18B are formed.

A pair of oblong main locking holes 15B and 15B extending in the left and right directions are formed below the round holes 18B and 18B at a wider interval than the main locking holes 15A and 15A. A pair of vertically elongated holes 20 and 20 extending vertically are formed on the outer side.
Here, the outer mounting holes 17A, 17A, the outer mounting holes 17B, 17B, and the inner ends of the main locking holes 15B, 15B are arranged vertically below the outer ends of the main locking holes 15A, 15A. It is an arrangement.

When attaching the water heater 1 configured as described above, first, as shown in FIGS. 4 and 5, the two brackets 11 and 11 are divided into upper and lower parts of the back plate 6 and on the upper side, the second attachment portion 12B. With the first mounting portion 12A facing up and the rear side facing the back plate 6 side, and the back by the pair of left and right screws 21 and 21 through the outer mounting holes 17B and 17B of the second mounting portion 12B. Fix to the plate 6.
On the other hand, on the lower side of the back plate 6, the second mounting portion 12B is directed toward the back plate, the first mounting portion 12A is directed downward and rearward, and the inner mounting hole of the second mounting portion 12B. It fixes to the backplate 6 with a pair of left and right screws 22 and 22 through 16B and 16B.

Then, as shown in FIG. 6, the first mounting portion 12A of the upper bracket 11 is passed through a locking hole 14A through a temporary fixing screw 23 as a locking portion screwed into a wall surface W as a vertical surface. The set screw 23 is temporarily fixed by being locked to the upper end of the lock hole 14A, and the pair of left and right screws 24, 24 are screwed into the wall surface through the main lock holes 15A, 15A on both sides thereof and finally fixed. Further, in the lower bracket 11, a pair of left and right screws 25, 25 are screwed into the wall surface through the main fixing holes 15A, 15A of the first mounting portion 12A. Then, the water heater 1 is attached to the wall surface W via the upper and lower brackets 11 and 11.
In order to insulate and dampen the wall W, a sleeve-like rubber is attached to the screws 24 and 25, and the rubber-equipped screw 24 is not connected through the round holes 18A and 18A but the main holes 15A and 15A. 25 can be screwed into the wall.

On the other hand, a mounting washer is provided on the wall surface, and the screwing position of the temporary fixing screw and the main fixing screw is determined, and this is aligned with the position of the locking hole 14A and the main fixing holes 15A, 15A of the first mounting portion 12A. If not, the direction of the upper and lower brackets 11 and 11 is turned upside down as shown in FIGS. 7 and 8, and on the upper side, the first mounting portion 12A faces the back plate 6 side, and the second mounting portion 12B is faced upward and rearward, and is fixed to the back plate 6 by screws 21 and 21 through the outer mounting holes 17A and 17A of the first mounting portion 12A.
Also, on the lower side of the back plate 6, the first mounting portion 12A is directed to the back plate 6 side, the second mounting portion 12B is directed downward and rearward, and the inner mounting of the first mounting portion 12A is performed. It fixes to the backplate 6 with the screw | threads 22 and 22 through the holes 16A and 16A.

Then, the second mounting portion 12B of the upper bracket 11 is made to pass through a temporary fixing screw provided on a mounting washer (not shown) through the locking hole 14B, and the temporary fixing screw is locked to the upper end of the locking hole 14B. A pair of screws 24, 24 are screwed into the mounting washer through the final fixing holes 15B, 15B on both sides of the temporary fixing, and finally fixed. Further, in the lower bracket 11, a pair of screws 25, 25 are screwed into the mounting washer through the main fixing holes 15B, 15B of the second mounting portion 12B. Then, the water heater 1 is attached to the wall surface W via the upper and lower brackets 11 and 11 as in FIG.
In this case, too, in order to insulate and dampen the wall surface W, a sleeve-like rubber is attached to the screws 24 and 25, and the rubber is attached via the round holes 18B and 18B instead of the main retaining holes 15B and 15B. Can be screwed into the wall.

  Thus, according to the water heater 1 of the said form, the bracket 11 is provided with the 1st attaching part 12A and the 2nd attaching part 12B up and down, and both attachment parts 12A and 12B have a wall surface. A locking hole 14 for locking to a temporary fixing screw 23 provided on W, a main locking hole 15 for fixing to the wall surface W, an inner mounting hole 16 and an outer mounting hole 17 for fixing to the back plate 6. Are formed, the arrangement pattern of the locking holes 14A and the main locking holes 15A and 15A formed in the first mounting portion 12A, and the locking holes 14B and the book formed in the second mounting portion 12B. The arrangement patterns of the stop holes 15B and 15B are different from each other, and are fixed to the back plate 6 with the second mounting portion 12B facing down, and the first mounting portion 12A is fixed to the wall surface W. First mounting with the mounting mode and bracket 11 upside down Fixed to the back plate 6 to 12A facing down, and a second attachment embodiment for fixing the second attachment portion 12B which is on the wall W can be selected.

  Thus, at the installation site, the brackets 11 and 11 are selected from the first mounting mode and the second mounting mode according to the arrangement pattern of the temporary fixing screws 23 and screw holes provided on the wall surface W. And it can construct by the method of attaching to the wall surface W through the brackets 11 and 11 which were fixed to the backplate 6 and fixed. Therefore, even one bracket 11 can cope with different mounting modes in which the arrangement patterns of the locking holes 14 and the main fixing holes 15 are different, and the workability is excellent, and the cost and the labor of management can be reduced.

  In particular, here, the bracket 11 is formed so that the first mounting portion 12A and the second mounting portion 12B are asymmetrical in the vertical direction, so that the first mounting portion 12A and the second mounting portion 12B are distinguished from each other. It becomes easy, and the mistake of the direction to attach with respect to the water heater 1 does not occur easily.

In the above-described embodiment, the mounting holes used when mounting the bracket to the back plate are different in the upper and lower sides in each of the first mounting mode and the second mounting mode (in the first mounting mode, FIG. As shown in FIG. 5, the outer mounting hole 17B is used on the upper side, and the inner mounting hole 16B is used on the lower side. However, the same may be used, and the inner mounting hole and the outer mounting hole may be used together. .
Moreover, the hole used when fixing to a wall surface can also be screwed using an inner attachment hole and an outer attachment hole in addition to this fixed hole. A vertically long hole can also be used in the second mounting portion.

Furthermore, the arrangement pattern of each hole provided in the first attachment portion and the second attachment portion is not limited to the above-described form, and the position, shape, and number of the fixing holes can be changed. The shape of the locking hole can be changed as appropriate, and the round hole can be omitted. The mounting holes may be only one of the inner mounting hole and the outer mounting hole, or the first mounting portion and the second mounting portion may have the same arrangement.
In addition, the shape of the connecting portion can be changed, for example, inclined with respect to the first and second mounting portions, and the bracket need not be vertically asymmetric. Further, the bracket is not limited to being used in the same mounting manner on both the upper and lower sides of the back surface. For example, the upper bracket can be set as the first mounting mode and the lower bracket can be set as the second mounting mode. Furthermore, the bracket is not limited to being used at the top and bottom, but can be used only at the upper part of the back surface.
And in the said form, although the fixation of the bracket via this fixed hole or an attachment hole is performed with the screw, even if it is other fixing tools, such as a volt | bolt, it can fix similarly.

  1 .... Hot water heater, 2 .... Housing, 6 .... Back plate, 7 .... Front cover, 11 .... Bracket, 12A ... First mounting part, 12B ... Second mounting part, 13 .... Connecting part, 14 (14A, 14B) ... Locking hole, 15 (15A, 15B) ... Main stop hole, 16 (16A, 16B) ... Inner mounting hole, 17 (17A, 17B) Outer mounting hole 18A, 18B ... Round holes, 19A, 19B ... Reinforcing ribs, 21, 22, 24, 25 ... Screws, 23 ... Temporary set screws.

Claims (3)

A water heater in which a bracket for attachment to a vertical surface is detachably provided on at least an upper part of a rear surface of a housing containing a combustion device,
The bracket is provided with a first mounting portion and a second mounting portion on the top and bottom, and both the mounting portions have locking holes for locking with locking portions provided on the vertical surface. , A main stop hole for fixing to the vertical surface and an attachment hole for fixing to the back surface are formed, respectively.
The arrangement pattern of the locking holes and the main fastening holes formed in the first mounting portion is different from the arrangement pattern of the locking holes and the main fastening holes formed in the second mounting portion. And
The first mounting mode in which the second mounting portion is fixed to the back surface with the second mounting portion facing down, and the first mounting portion is fixed to the vertical surface, and the bracket is turned upside down to A water heater, wherein a second mounting mode in which the mounting portion is fixed to the back surface with the mounting portion facing down, and the second mounting portion on the top is fixed to the vertical surface is selectable.   The hot water heater according to claim 1, wherein the bracket is formed in a shape in which the first mounting portion and the second mounting portion are vertically asymmetric.   The bracket of the water heater according to claim 1 or 2, the first mounting mode and the second mounting mode according to an arrangement pattern of the locking portion and screw holes provided on the vertical surface, Any one of the above is selected and fixed to the back surface, and attached to the vertical surface via the fixed bracket.

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