JPH09203563A - Hot water heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To fix a hot water heater positively to a wall or a ceiling, prevent a resonance of the hot water heater caused by vibration of an earthquake or the like and further prevent damage of the hot water heater by providing an outer casing, a fixing section fixed to the lower section of the casing so as to be fixed to a foundation, and an upper fixing section to be fixed to either a wall or a ceiling through a connecting section with a fastening member fixed to an outer peripheral wall of an upper section of the outer casing. SOLUTION: A hot water boiler is arranged within an outer member 21 and fed water is changed into hot water and the hot water is fed from a hot water pipe 22 into a bath tub or the like. A fixing fitting 23 is fixed to the lower section of the outer casing 21 and further fixed to a foundation 25 such as a concrete or the like by anchor bolts 24 together with the hot water boiler. A fastening band B1 formed by a steel plate for use in adjusting a vertical position and an outer peripheral position is fixed to the upper part of this outer casing 21. This fastening band B1 is set such that one arm of the L-shaped fixing fitting 32 having holes at both leading ends is fixed by welding or the like. Then, a connecting member 35 having an adjusting hole is fixed to the other arm of this fixing fitting 32 by screws 35a and fixed to a wall W and a ceiling C or the like.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water heater,
The present invention relates to a water heater in which a lower part of an external housing is fixed to a foundation and an upper part is fixed to a wall or a ceiling in an appropriate place.

[0002]

2. Description of the Related Art Generally, in a water heater, a lower hot water can body provided in an outer casing is provided with a water supply pipe and a heater, and an upper hot water can body is provided with a hot water supply pipe. ing. A heat insulating material is attached to the outer wall portion of the hot water can body, and the exterior housing is attached so as to cover the heat insulating material. Water is supplied to the hot water can body, which is stored as hot water and is supplied to a hand bath or a bathtub as needed.

A water heater provided with such a hot water can body and an outer casing is usually composed of a long cylindrical body extending in the height direction, and the lower part thereof is fixed to a foundation by anchor bolts or the like.

However, this water heater has a possibility that the foundation will be damaged when a large earthquake occurs and that the lower fixing part is incomplete, and the water heater may fall down.

In order to prevent this, as shown in FIG. 13, the lower exterior casing 11 of the water heater 10 is firmly fixed to the foundation (not shown), while the top exterior casing 11 is connected to the wall via the connecting member 12. It is fixed to W.

Fixing of the top exterior casing 11 is performed by the hot water can body 1.
Surround the hot water supply pipe 14 of No. 3 and attach the vibration-proof metal fitting 15,
The vibration-proof metal fitting 15 is attached to the top of the exterior housing 11 with the screw 16 together with the connecting member 12. In addition,
Reference numeral 17 is a heat insulating material that surrounds the hot water can body 13 and the like.

In the water heater 10 having such a structure, even if a large earthquake is received, the lower part and the upper part of the outer casing 11 are fixed, so that the resonance of the earthquake can be removed. Therefore, damage to the foundation can be reduced and the water heater 10 can be prevented from falling.

However, since the hot water supply pipe 14 is directly fixed to the wall W via the vibration-proof metal fitting 15, the exterior housing 11, and the connecting member 12, stress concentrates on the hot water supply pipe 14 and destroys it. There was a problem to say.

Further, in this kind of water heater 10, there is a problem that the fixing position of the lower part and the fixing position of the upper part are set in advance, so that the mounting place is greatly restricted.

As shown in FIG. 14, mounting members 18, 18 are mounted on the upper portion in order to relax the restriction of the mounting position, and the mounting members 18, 18 are moved along a sliding bar 19 fixed to a wall or the like. There is a water heater 10A that can be installed at the desired position while being operated.

By doing so, the water heater 10A can be prevented from falling and can be installed at a desired position such as a wall, but the mounting position of the water heater 10A is determined by the position of the sliding bar 19 and the water heater 10A can be installed. There was a problem that it could not be installed at the position desired by the user.

Therefore, the present invention provides a water heater having a high vibration resistance, which stably fixes the lower part to the foundation and securely fixes the upper part to the wall and the ceiling, and prevents resonance and damage or falling due to vibration such as an earthquake. That is the purpose.

[0013]

According to the present invention, there is provided an outer casing having therein a hot water can body extending in a height direction, a lower fixing portion attached to a lower portion of the outer casing and fixed to a foundation, and the outer casing. There is provided a water heater characterized in that a tightening body attached to an upper outer peripheral wall of a housing is provided with an upper fixing portion fixed to a wall or a ceiling via a connecting member.

Further, the tightening body of the present invention provides a water heater characterized by being a steel plate band.

Further, the present invention provides a water heater characterized in that the fastening body of the present invention is provided with a fixing metal fitting which can be moved on the fastening body and fixed at a predetermined position.

Further, the connecting member of the present invention provides a water heater characterized in that the length can be adjusted between the upper fixing portion and the wall or ceiling.

Further, the tightening body of the present invention is to provide a water heater characterized in that it is integrally attached to the upper outer peripheral wall of the upper lid of the detachable outer casing together with the upper lid.

[0018]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of a water heater of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1, the water heater 20 of the present invention is provided with a comparatively high cylindrical outer casing 21 extending in the height direction. Although not shown, a hot water can body covered with a heat insulating material is provided inside the exterior housing 21, and the hot water is supplied from the hot water supply pipe 22 at the top to the hot tub.

At the lower part of the exterior housing 21, a fixing metal fitting 23 is provided.
Is attached and fixed to a foundation 25 such as concrete together with the hot water can body by anchor bolts 24.

Further, a water supply pipe, a heater (none of which are shown), and a control device 26 are provided in the lower hot water can body inside the outer casing 21 so as to heat and control the water supply to a desired temperature. Has become.

Further, a fastening band B1 having a steel plate property is attached to the upper part of the outer casing 21 so as to surround the outer peripheral wall thereof and adjust the vertical position and the outer peripheral position.

As shown in FIGS. 2 and 3, this tightening band B1 is provided with a tightening piece 28 having holes 27 at both ends, and is tightened to the outer peripheral wall of the outer casing 21 by a tightening bolt 29 and a tightening nut 30. Has become.

As shown in FIG. 4, the fastening band B1 has a plurality of L-shaped fittings 3 having holes 31 at both ends.
One of the two arms is fixed at a distance by welding or the like, and the other arm is projected outward. As shown in FIG. 5, a connecting member 35 having a plurality of adjusting holes 33, 34 is provided on the other arm of the mounting bracket 32 with a screw 35a.
And is fixed to the wall W, the ceiling C, or the like.

A method of fixing the water heater 20 having the above structure will be described.

First, the anchor bolt 24 is attached to the exterior housing 21.
The fixing metal fitting 23 is inserted to fix the lower portion of the outer casing 21 to the foundation 25.

Next, the tightening band B1 is located on the upper outer peripheral wall of the outer casing 21 at a height displaced from the resonance point of the outer casing 21 against an earthquake or the like. Then, the fitting 32 of the tightening band B1 is attached to the wall W as shown in FIG.
The left and right positions are adjusted in the circumferential direction so that the optimum position, that is, the position where the connecting member 35 is easily attached is arranged.

When the optimum position of the tightening band B1 is determined, a tightening bolt 29 is inserted into the hole 27 of the tightening piece 28, and the tightening nut 30 is used to tighten the outer peripheral wall of the outer casing 21.

After tightening the tightening band B1, the fixing bracket 3
The length of the connecting member 35 is adjusted so that the distance between the wall 2 and the wall 2 is matched. After this adjustment is made, both ends of the connecting member 35 are fixed to the fixing fitting 32 and the wall W with screws 35a.

Therefore, regardless of the positions of the foundation 25 and the wall W, the water heater 20 can be easily and reliably fixed to the foundation 25 and the wall W only by adjusting the position of the tightening band B1.

The tightening band B1 is used for the outer casing 2
Since the resonance point for vibration such as an earthquake can be shifted just by adjusting the height position of the outer peripheral wall of No. 1, the outer casing 21 does not fall down even if it receives strong vibration.

Further, since the tightening band B1 is tightened on the outer peripheral wall portion of the outer casing 21, not only the stress is not directly concentrated on the hot water supply pipe 22, but also the hot water supply pipe 22 is not damaged and leaks hot water to the outside.

Others Since the tightening band B1 is tightened to the upper outer peripheral wall of the outer casing 21, the outer casing 21 does not fall over even if the foundation 25 is damaged.

In the above embodiment, the exterior housing 21 is fixed to the wall W by the connecting member 35. However, as shown in FIG. 8, the turnbuckle 37 is provided when the wall W does not exist at a close position. Alternatively, the connecting member 38 may be used for fixing between the mounting member 32 and the fixing member 32a mounted on the ceiling C.

In this way as well, the upper exterior casing 21 of the water heater 20 is securely fixed to the adjacent fixed portion, that is, the ceiling C or the like, and the fastening band B1 is used for the fixing.
By displacing from the resonance point of the outer casing 21, it is possible to prevent a fall against strong vibration such as an earthquake.

Further, in the above embodiment, the fastening band B1 to which the mounting bracket 32 is fixed is fastened to the outer casing 21 of the water heater 20, but the mounting bracket 41 is moved on the fastening band B2 as shown in FIG. When the mounting bracket 41 is located at the predetermined position on the tightening band B2, fix it and tighten the tightening band B
2 may be fastened to the upper exterior casing 21 of the water heater 20.

As shown in FIGS. 10 and 11, such a mounting bracket 41 has a long hole 42 through which the tightening band B2 is inserted in one L-shaped arm and a plurality of holes for connecting the connecting member 38 and the like to the other arm. 43 is open.

The tightening band B2 is passed through the long hole 42 of the mounting bracket 41 to move the mounting bracket 41 left and right in the longitudinal direction to determine the position. When the position of the mounting bracket 41 is determined, the tightening band B2 is directly tightened and fixed. Alternatively, as shown in FIG. 9, screws may be inserted into the mounting holes 44 of the mounting bracket 41 and a plurality of holes 45 opened at intervals in the tightening band B2 and fixed, and then tightened.

With this structure, the tightening band B2
The resonance point can be shifted only by moving the upper part of the outer casing 21 in the vertical direction. When the position of this tightening band B2 is determined, the position of the mounting bracket 41 is adjusted and fixed on the tightening band 40 and then tightened to the exterior housing 21, so that the optimum position for fixing to the wall W and the ceiling C can be selected.

Therefore, the tightening band B2 to be fastened to the outer casing 21 can be easily attached, and the upper portion of the outer casing 21 can be accurately attached to the wall W regardless of the position of the foundation 25 for fixing the water heater 20 by the tightening band B2. It can be fixed to the ceiling C.

Therefore, it is possible to prevent the outer casing 21 from tipping over against vibration such as an earthquake and to prevent concentration of stress applied to the hot water supply pipe 22 to prevent leakage of hot water.

FIG. 12 shows another embodiment. A hot water can body (not shown) of the water heater 20 and an outer casing 51 are provided with a removable upper lid 52 on the upper part of the outer casing 51 for facilitating assembling of the hot water can body or internal inspection.

Even with the upper lid 52 of such an outer casing 51, the fastening band B2 can be fastened to the upper outer peripheral wall portion thereof.

When tightening the tightening band B2, the screw hole 53 of the upper lid 52 and the hole 45 of the tightening band B2 are tightened.
It is possible to fix the water heater 20 to a desired position on the wall W and the ceiling C by aligning the positions with the above and fixing them integrally with a screw and arranging the mounting bracket 32 or the mounting bracket 41 at a predetermined position of the tightening band B2. it can.

In this way, the tightening band B2 and the upper lid 52 can be integrally fixed, so that the tightening band B2 can be easily tightened. Further, by tightening the tightening band B2, the resonance point of the outer casing 21 against vibration such as an earthquake can be removed to prevent the water heater 20 from falling and the concentration of stress applied to the hot water supply pipe 22.

Although not shown, the exterior casing of the water heater may be formed in a rectangular shape and the tightening band B1 or the tightening band B2 may be tightened thereto.

[0047]

According to the present invention, an outer casing having therein a hot water can body extending in the height direction, a lower fixing portion attached to a lower portion of the outer casing and fixed to a foundation, and an upper portion of the outer casing are provided. Since the tightening body attached to the outer peripheral wall is provided with the upper fixing portion that is fixed to the wall or the ceiling through the connecting member, the upper and lower fixing positions can be easily adjusted, and the water heater has a resonance point against vibration such as an earthquake. It is possible to prevent the sliding water heater from falling due to vibration such as an earthquake.

Further, since the tightening body of the present invention is made of the steel plate band, the supporting position of the outer casing can be freely selected and the connecting members can be easily connected.

Further, since the fastening body of the present invention is provided with the fixing metal fitting which moves on the fastening body and is fixed at the predetermined position, the adjustment of the fastening body can be reduced.

Further, since the connecting member of the present invention has a length adjustable between the upper fixing portion and the wall or ceiling, the water heater can be fixed according to the position of the wall or ceiling, and the water heater can be fixed. There are no major restrictions on the installation location.

Further, since the tightening body of the present invention is attached to the upper outer peripheral wall of the outer housing integrally with the upper lid of the outer housing, not only the tightening of the tightening body is simple but also the tightening is made firm. I can do it.

[Brief description of drawings]

FIG. 1 is a front view showing a main part of a water heater of the present invention.

FIG. 2 is a plan view of a tightening band that is tightened in FIG.

FIG. 3 is an explanatory view showing a tightened state of a tightening band.

FIG. 4 is an explanatory view showing a main part of a tightening band.

FIG. 5 is a cross-sectional view showing an example of a connecting member.

FIG. 6 is an explanatory plan view showing a mounting example of the water heater.

FIG. 7 is a front explanatory view showing a mounting example of a water heater similar to FIG.

FIG. 8 is a front explanatory view showing an attachment example of another water heater.

FIG. 9 is an explanatory view showing a main part of another tightening band.

FIG. 10 is a perspective view showing an example of another fixing member.

FIG. 11 is a perspective view showing the fixing metal fitting of FIG. 10 in a different position.

FIG. 12 is an explanatory view showing a tightened state of another tightening band.

FIG. 13 is an upper front view showing a tightening example of a conventional water heater.

FIG. 14 is a perspective view showing a fastening example of another conventional water heater.

[Explanation of symbols]

 10, 20 Water heater 11, 21, 51 Exterior housing 12 Connecting member 15 Seismic metal fitting 18 Mounting member 19 Sliding rod 22 Hot water supply pipe 23, 41 Fixing metal fitting 24 Anchor bolt 25 Foundation B1, B2 Tightening band 28 Tightening piece 29 Tightening bolt 30 Tightening nut 32 Fixing fitting 35, 38 Connecting member 37 Turnbuckle 52 Lid

Claims (5)

[Claims] 1. An exterior casing having a hot water can body extending in the height direction, a lower fixing portion attached to a lower portion of the exterior casing and fixed to a foundation, and attached to an upper outer peripheral wall of the exterior casing. A water heater characterized by comprising: an upper fixing portion that is fixed to a wall or a ceiling via a connecting member to the tightening body. 2. The water heater according to claim 1, wherein the tightening body is a steel plate band. 3. The water heater according to claim 1, wherein the tightening body is provided with a fixing metal piece that can be moved on the tightening body and fixed at a predetermined position. 4. The water heater according to claim 1, wherein the connecting member has a length adjustable between the upper fixing portion and the wall or ceiling. 5. The water heater according to claim 1, wherein the tightening body is attached integrally to the upper outer peripheral wall of the upper lid of the detachable outer casing integrally with the upper lid.