JP2002061956A - Wall attachement for boiler - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the flexibility of attachment pitch of upper and lower brackets. SOLUTION: A slide plate 20 where first screw insertion holes 23 and 23 and the second screw insertion hole 24 are bored is mounted slidably at the lower plate 12 of a lower bracket 3, and the attachment pitches of the upper and lower brackets 2 and 3 are adjustable in the slide range L3 of the slide plate 20.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wall fixture used to attach a water heater to a building wall.

[0002]

2. Description of the Related Art A wall mounting device is composed of a pair of brackets which are fixed to the upper and lower positions on the back surface of a water heater by spot welding or the like, respectively, and a hanging through hole or notch provided in an upper bracket is mounted on a wall surface. The water heater can be attached by hooking the screw or the like and screwing the lower bracket to the wall surface using the screw insertion hole provided in the lower bracket. However, if the mounting pitch of the upper and lower brackets is changed, for example, when the water heater is replaced with a different model, it is necessary to refasten the mounting screw, and the mounting work is troublesome. Further, depending on the state of the wall surface, such as a tiled wall, the repositioning may not be possible. Accordingly, the applicant of the present application has disclosed in
In Japanese Patent No. 2446, a plurality of suspension through-holes of the upper bracket are provided at different heights, and a plurality of screw insertion holes of the lower bracket are provided at the top and bottom. A wall mounting tool is provided which allows the mounting pitch of the upper and lower brackets to be selected by selection.

[0003]

However, even in the wall mounting device described in the above publication, the selectable mounting pitch is limited by the positions of the suspension through holes and the screw insertion holes, and the mounting pitch cannot be adjusted. In particular, there is a case where it is not possible to cope with a case where the water heater is replaced with a water heater of a different manufacturer.

[0004] In view of the above, the invention according to claim 1 provides a wall of a water heater that can be easily mounted even if it is replaced with a water heater of a different manufacturer by increasing the degree of freedom of the mounting pitch of the upper and lower brackets. It is intended to provide a fixture.

[0005]

In order to achieve the above object, according to the first aspect of the present invention, a portion having a screw insertion hole in a lower bracket is provided so as to be slidable in a vertical direction, and is suspended by an upper bracket. The distance from the position to the screw insertion hole is adjustable. In addition to the object of claim 1, the invention according to claim 2 has an upper plate in which a lower bracket is fixed to a back surface of the water heater in order to stabilize the water heater in a mounted state, In the case of a lower plate which is provided below the upper plate and has a portion having a screw insertion hole, the upper plate has a contact plate extending in contact with the bottom surface of the water heater. is there. According to the third aspect of the present invention, in addition to the object of the first or second aspect, in order to further increase the degree of freedom of the mounting pitch, the upper bracket has
A plurality of suspension through holes or notches are provided at different heights.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view of a wall mounting device 1 of the present invention. An upper bracket 2 is shown above and a lower bracket 3 is shown below, and a side view of a water heater 30 to which the wall mounting device 1 is attached is shown on the left side. Is shown. First, the upper bracket 2
As shown also in FIG. 2, a rectangular plate having an upper plate 4 and a lower plate 5 bent up and down so as to be parallel to each other, and in the center of the upper plate 4 located on the back side, A keyhole-shaped suspension through-hole 6 is formed, and a horseshoe-shaped recessed hole is provided in the center of the lower plate 5 located on the near side, recessed toward the back side, and the bottom surface is positioned on the same plane as the upper plate 4. A concave portion 7 and an inverted V-shaped notch 8 having a tapered lower end opening in the concave portion 7 are formed on the same line as the suspension through-hole 6. 9 and 9 are screw holes formed on both sides of the lower plate 5, and 10 and 10 are reinforcing V
Bead.

Next, as shown in FIG. 3, the lower bracket 3 has the upper plate 11 facing forward and the lower plate 12
Is a rectangular plate bent so that it is located at the back, and the upper plate 11 has a rectangular contact plate 13
The upper plate 11 is bent upward so as to be left at an angle of °, and screw holes 14 are formed on the left and right sides of the upper plate 11. 15,15
Is a V-bead. The lower plate 12 has a first rectangular shape.
The through holes 16, 16 are arranged vertically and symmetrically side by side, respectively, and between the first through holes 16, a second oval hole 17 having the same length as the first through hole 16 and an oval shape is provided. Has been drilled. Further, on both sides of the lower plate 12, guide pieces 18, 18 are formed at right angles to the front side over substantially the entire length of the side edge, and each guide piece 18 is slightly above and below the first through hole 16. An oval guide hole 19 having a short dimension is formed.

On the other hand, reference numeral 20 denotes a slide plate, which is a strip-shaped plate having a width approximately one-third the vertical dimension of the lower plate 12.
A boss 22 is formed to have a U-shape formed by bending bent pieces 21 and 21 on both sides so as to be loosely fitted between the guide pieces 18, 18, and projecting outward from the center of each bent piece 21. Are inserted into the guide holes 19, 19 of the guide pieces 18, 18 on both sides, respectively, so that the bosses 22, 22 are located at the upper and lower ends of the guide holes 19, 19, as indicated by the two-dot chain line. It is mounted to be slidable up and down within the contact area (L3 in FIG. 3). In the slide plate 20, first screw insertion holes 23, 23 having a length substantially the same as the width of the first through holes 16 are provided at positions overlapping the first through holes 16, 16 of the lower plate 12. At positions overlapping the second through holes 17, second screw through holes 24 having substantially the same width as the second through holes 17 are respectively formed, so that the first and second screws can be inserted regardless of the position of the slide plate 20. The holes 23 and 24 are always located in the first and second through holes 16 and 17.

The wall fixture 1 constructed as above is shown in FIG.
As described above, the upper and lower sides of the back cover 31 of the water heater 30 are fixed by screws, respectively. In the lower bracket 3 in particular, the bottom surface of the back cover 31 is fixed to the contact plate 13. After the upper and lower brackets 2 and 3 are fixed, the through holes 6 for hanging the upper bracket 2 are attached to mounting screws (not shown) on the wall side.
Alternatively, when the notch 8 is hooked, the water heater 30 is suspended from the wall by the upper bracket 2. Next, the lower bracket 3
The slide plate 20 may be screwed to the wall using the first screw insertion holes 23, 23 or the second screw insertion hole 24. However, since the slide plate 20 can be slid up and down, the sliding range of the slide plate 20 , The screwing position can be freely determined. That is, when the upper bracket 2 is engaged with the suspension through-hole 6, the mounting range L3 of the slide plate 20 is set to the mounting pitch L1 when the slide plate 20 is at the upper limit position.
You can select the mounting pitch up to (L1 + L3)
When the upper bracket 2 is engaged with the notch 8, the sliding range L3 of the slide plate 20 is added to the mounting pitch L2 when the slide plate 20 is at the upper limit position (L2 + L
The mounting pitch up to 3) can be selected.

As described above, according to the above embodiment, the first screw insertion hole 23 and the second screw insertion hole 2
4 is provided so as to be slidable, and the mounting pitch of the upper and lower brackets 2 and 3 can be adjusted, so that the degree of freedom of the mounting pitch is increased. Even if the length of the water heater 30 changes greatly when replacing from the water heater, a new water heater 30 can be easily installed without changing the position of the first mounting screw. , Workability is improved. In the lower bracket 3, the contact plate 1 is in contact with the bottom surface of the water heater 30 when the heater 30 is attached to the back cover 31.
Since the contact plate 3 is formed, the contact plate 13 works to prevent the water heater 30 from inclining left and right, so that stability during mounting is achieved.

The shape of the lower bracket and the specific slide structure of the slide plate are not limited to the above-described embodiment. For example, instead of the boss 22 in the slide plate 20, a screw is folded through the guide hole 19 of the lower plate 12. The lower bracket 3 may be screwed into the bent piece 21, or the first bracket insertion hole 23 and the second screw
Any one of the screw insertion hole 24 and the corresponding one of the first through hole 16 and the second through hole 17 on the lower plate 12 side may be eliminated. As shown in FIG. 4, the guide piece 25 of the lower plate 12 of the lower bracket 3 is bent in a U-shape inward, and the slide plate 20 is a flat plate having no bent portion, and the guide piece 25, 25 has both ends. A structure in which the slidable body can be slid by holding the body can be adopted. In this case, the slide plate 20
A boss 26 and the like are required on the lower plate 12 to prevent the lower plate 12 from coming off and to determine the slide range. Therefore, when the slide plate 20 is fitted between the guide pieces 25, 25, the slide plate 20 may be slightly bent toward the front to get over the boss 26. Note that the slide plate 20 is provided with the lower plate 1 in any of the configurations shown in FIGS.
2 may be provided on the opposite surface.

Further, in the above embodiment, the upper bracket 2 is provided with the suspension through-hole 6 and the notch 8, so that the upper suspension position can be selected. With this configuration, the suspension through holes 6
The degree of freedom of the mounting pitch is further increased by the interval between the notch 8 and the notch 8, which is a preferable form. However, the through holes for suspension can be further increased in the vertical direction, and if the degree of freedom by the upper bracket is unnecessary. Conversely, one of the hanging through hole and the notch may be omitted. On the other hand, the number of the contact plates 13 is not limited to one at the center, and a plurality of contact plates 13 may be provided at symmetric positions.

[0013]

According to the first aspect of the present invention, the portion having the screw insertion hole in the lower bracket is provided so as to be slidable in the vertical direction, and the distance from the hanging position by the upper bracket to the screw insertion hole is adjusted. By making it possible, the degree of freedom of the mounting pitch is increased, and the length of the water heater can be greatly changed when replacing from different types of water heaters as well as different models between the same manufacturers. In addition, a new water heater can be easily mounted without changing the position of the first mounting screw, and workability is improved. According to the second aspect of the invention, in addition to the effect of the first aspect,
By extending the contact plate that contacts the bottom surface of the water heater on the upper plate of the lower bracket, the water heater can be stabilized in the mounted state. According to the invention set forth in claim 3, claim 1 is provided.
In addition to the effect of the second aspect, by providing a plurality of through holes or notches for suspension at the upper and lower heights in the upper bracket, the degree of freedom of the mounting pitch can be further increased.

[Brief description of the drawings]

FIG. 1 is an explanatory view showing a state where a wall fixture and a wall fixture are attached to a water heater.

FIG. 2A is a front view of an upper bracket. (B) It is a side view of an upper bracket. (C) It is a bottom view of an upper bracket.

FIG. 3A is a front view of a lower bracket. (B) It is a side view of a lower bracket. (C) It is a bottom view of a lower bracket.

FIG. 4A is a front view of a lower bracket of a modified example. (B) It is a side view of the lower bracket of a modification. (C) It is a bottom view of the lower bracket of a modification.

[Explanation of symbols]

1. Wall mounting brackets 2. Upper brackets 3. Lower brackets 6. Through holes for suspension, 8. Notches, 11 Upper plate, 12 Lower plate, 13 Contact plate, 20 slide plate, 21 bent piece, 23 first screw insertion hole, 24
· 2nd screw insertion hole, 30 · · water heater, 31 · · · back cover.

Claims (3)

[Claims] 1. An upper bracket and a lower bracket which are respectively fixed to upper and lower positions on a back surface of a water heater, wherein the upper bracket has a suspension through hole or notch, and the lower bracket has a screw insertion hole. Are respectively formed on the wall mounting tool of the water heater, wherein a portion having the screw insertion hole in the lower bracket is provided so as to be slidable in a vertical direction, from a hanging position by the upper bracket to the screw insertion hole. Characterized in that the distance of the wall can be adjusted. The lower bracket comprises an upper plate fixed to the back of the water heater and a lower plate extending below the upper plate and having a portion having a screw insertion hole. The water heater wall mounting device according to claim 1, wherein a contact plate that abuts on a bottom surface of the water heater is extended from the upper plate. 3. The water heater wall mounting device according to claim 1, wherein a plurality of suspension through holes or notches are provided on the upper bracket at different heights.