JP2015068537A - Installation mechanism of hot-water storage type water heater - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an installation mechanism of a hot-water storage type water heater capable of improving the installation workability for a small space while ensuring the installation strength for a hot water storage unit.SOLUTION: An installation leg 201 supporting a hot water storage unit 100 is equipped with a seat surface part 201b at its lower end. A fixing metal fitting 210 comprises: a stationary portion 211 having a hole 212 formed to be inserted by an anchor bolt 220 provided on an installation surface; and a support part 213 that is extended, leaving a constant clearance down to the installation surface in a state that the stationary portion 211 is fixed on the installation surface with the anchor bolts 220. When the seat surface part 201b of the installation leg 201 is inserted into the clearance by sliding the hot water storage unit 100, a claw part 214a of the fixing metal fitting 210 is engaged with an engaging part 201d of the installation leg 201.

Description

  The present invention relates to an installation mechanism for fixing an installation leg of a hot water storage unit containing a hot water storage tank to an installation surface.

  The hot water storage unit of a conventional hot water storage type water heater is provided with a notch groove-shaped hole on the bottom surface of the hot water storage unit mounting leg in order to slide and fix the hot water storage unit even in a narrow space such as a wall recess in an apartment house. (For example, patent document 1).

JP 2005-127670 A

  In the hot water storage unit installation leg structure described in Patent Document 1, the hot water storage unit is moved in the front, rear, left, and right directions so that the keyhole shaped hole provided in the bottom surface of the installation base of the hot water storage unit is inserted into the anchor bolt arranged on the installation base. Need to slide. However, it is difficult to move the hot water storage unit to the left and right in a narrow space such as a wall recess in an apartment house, and there is a concern that the hot water storage unit outer case is damaged and the installation work is deteriorated. Moreover, in the case of installation on an installation foundation with a small work space after installation, there is a problem that the product itself becomes an obstacle and it is difficult to nut-fix to an anchor bolt for fixing the back leg. Moreover, in the prior art leg structure described above, since the shape of the notch groove hole or the like is provided on the bottom surface of the hot water storage unit installation leg, the strength of the installation leg bottom surface decreases. In particular, the installation of hot water storage units in apartment buildings such as high-rise buildings requires high seismic strength, and there is a possibility that sufficient strength against earthquake shaking may not be obtained.

  The present invention has been made to solve the above-described problems, and is to install a hot water storage type hot water heater capable of improving the installation workability in a narrow space while ensuring the installation strength of the hot water storage unit. The purpose is to provide a mechanism.

  An installation mechanism of a hot water storage type hot water supply apparatus according to the present invention includes a hot water storage unit that includes a hot water storage tank, an installation leg that supports the hot water storage unit, and a locking member that fixes the installation leg to the installation surface. An installation mechanism of a water heater, wherein the installation leg includes a leg portion extending in a vertical direction from the hot water storage unit, and a seat surface portion provided at a lower end of the leg portion and in contact with the installation surface, and the locking member is an installation surface A fixing portion formed with a hole into which an anchor member is provided, and a fixing portion that is fixed to the installation surface by the anchor member so as to extend through a certain gap with respect to the installation surface. And an engaging portion that engages with the installation leg when the seat surface portion is inserted into the gap.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to improve the installation workability | operativity to a narrow space, ensuring the installation intensity | strength of a hot water storage unit.

It is a perspective view which shows the installation structure of the hot water storage unit which concerns on Embodiment 1 of this invention. It is a figure for demonstrating the structure of the fixing metal fitting of Embodiment 1 of this invention. It is the figure which looked at the engagement mechanism of the fixing metal fitting and installation leg of Embodiment 1 of this invention from the upper direction. It is a figure which shows the AA cross section in FIG. It is a figure for demonstrating the structure of the fixing metal fitting of Embodiment 2 of this invention. It is the figure which looked at the engagement mechanism of the fixing metal fitting and installation leg of Embodiment 2 of this invention from the top. It is a figure for demonstrating the structure of the fixing metal fitting of Embodiment 3 of this invention. It is sectional drawing which cut | disconnected the engagement mechanism of the fixing metal fitting and installation leg of Embodiment 3 of this invention in the horizontal direction.

  Embodiments of the present invention will be described below with reference to the drawings. In addition, in each figure, the same part or an equivalent part attaches | subjects the same code | symbol, and abbreviate | omits the overlapping description.

Embodiment 1 FIG.
A hot water storage unit of a hot water storage type hot water supply apparatus according to Embodiment 1 of the present invention will be described with reference to FIGS. 1 is a perspective view showing an installation configuration of a hot water storage unit according to Embodiment 1 of the present invention. In addition, in FIG. 1, the structure at the time of installing the hot water storage unit 100 in the wall surface recessed part 300 provided in the wall of apartment buildings, such as a high-rise building, is shown. The hot water storage unit 100 has a substantially rectangular parallelepiped shape, and its outer shell is constituted by an outer front case, an outer right side case, an outer left side case, an outer rear case, an outer upper case, and an outer bottom case. In the following description, the horizontal direction along the outer front case is defined as the left-right direction of the hot water storage unit 100, and the horizontal direction along the outer right side case is defined as the front-rear direction. The vertical direction is the vertical direction of the hot water storage unit 100.

  A hot water storage tank (not shown) is housed inside the hot water storage unit 100, and a space between the outer periphery of the hot water storage tank and the outer shell of the hot water storage unit 100 is covered with a heat insulating material (not shown). In addition, the hot water storage unit 100 has one installation leg 200 arranged at the front center of the outer case and two installation legs arranged at both corners on the back side as installation legs for supporting the airframe. 201. In the following description, the case where the installation mechanism is applied to the installation leg 201 on the back side will be described, but the same installation mechanism may be applied to the installation leg 200 on the front side. The installation leg 201 includes a leg portion 201a extending in the vertical direction from the bottom surface of the hot water storage unit 100, and a seat surface portion 201b provided at the lower end of the leg portion 201a and in contact with the installation surface. The seat surface portion 201b includes a reinforcing portion 201c that is bent upward from its left and right ends.

  As shown in FIG. 1, three anchor bolts 220 are driven on the installation surface. A fixed fitting (locking member) 210 is fixed to the anchor bolt 220 that has been struck. FIG. 2 is a view for explaining the configuration of the fixing metal fitting according to the first embodiment of the present invention. As shown in this figure, the fixing bracket 210 includes a fixing portion 211, a hole 212, a support portion 213, a beam portion 214, and a side surface portion 215. The fixing part 211 is a part fixed to the installation surface, and is provided with a hole 212 for inserting an anchor bolt 220 as an anchor member. Further, the support portion 213 is a portion extending forward from the fixing portion 211, and when the fixing bracket 210 is fixed to the installation surface, the seat surface portion 201b is inserted between and supported by the installation surface. For this reason, a gap is formed. Further, the central portion of the support portion 213 is configured as a beam portion 214 having a cantilever structure. A claw portion 214a is provided at the tip of the beam portion 214 in the downward direction. Further, side portions 215 that extend upward along the front-rear direction are formed at the left and right ends of the fixing bracket 210. The side surface portion 215 is for increasing the section modulus of the fixture 210 and improving the earthquake resistance.

  FIG. 3 is a view of the engagement mechanism between the fixing bracket and the installation leg according to the first embodiment of the present invention as viewed from above. FIG. 4 is a view showing an AA cross section in FIG. As shown in FIG. 1, when installing the hot water storage unit 100 on the installation surface, the fixing bracket 210 is first fixed to the installation surface. More specifically, as shown in FIGS. 3 and 4, the hole 212 and the spacer 221 of the fixing bracket 210 are sequentially inserted into the anchor bolt 220 fixed in advance to the installation surface, and are fastened by the nut 222. Next, the installation leg 201 of the hot water storage unit 100 is slid backward with respect to the fixture 210 fixed to the installation surface, and the seat surface portion 201b of the installation leg 201 is inserted into the gap between the support portion 213 and the installation surface. At this time, the seat surface portion 201b is inserted into the back while bending the beam portion 214 of the fixing bracket 210 upward. And if the seat surface part 201b is inserted to the innermost part of a clearance gap, the nail | claw part 214a provided in the front-end | tip of the beam part 214 will engage with the latching | locking part (hole) 201d provided in the seat surface part 201b. Thereby, the installation leg 201 of the hot water storage unit 100 is fixed to the installation surface.

  As described above, according to the engagement mechanism of the first embodiment of the present invention, the fixing bracket 210 is fixed to the anchor bolt 220 in advance, and then the installation leg 201 is slid toward the fixing bracket 210 and fixed. Therefore, it is possible to easily perform the installation work in a narrow space.

Embodiment 2. FIG.
Next, a hot water storage unit according to Embodiment 2 of the present invention will be described with reference to FIGS. 5 and 6. FIG. 5 is a view for explaining the structure of the fixing metal fitting according to the second embodiment of the present invention. FIG. 6 is a top view of the engagement mechanism between the fixture and the mounting leg according to the second embodiment of the present invention.

  As shown in FIGS. 5 and 6, the fixing bracket 210 of the second embodiment is different from the fixing bracket of the first embodiment in that the beam portion 214 and the claw portion 214 a are provided on the left and right sides of the support portion 213. In addition, the seating surface portion 201b of the installation leg 201 according to the second embodiment is provided with locking portions (holes) 201d at positions (two locations) where they engage with the claw portions 214a of the fixing bracket 210.

  According to such a configuration, since the installation leg 201 and the fixture 210 are engaged at a plurality of locations, the strength against shaking is improved, and the anchor bolt 220 against lateral displacement and rolling is used as an axis. It becomes possible to suppress rotation.

  By the way, in the above-described installation mechanism of the second embodiment, the configuration in which the beam portion 214 and the claw portion 214a are provided in two locations has been described, but the configuration may be provided in three or more locations.

Embodiment 3 FIG.
Next, a hot water storage unit according to Embodiment 3 of the present invention will be described with reference to FIGS. FIG. 7 is a diagram for explaining a configuration of a fixing metal fitting according to the third embodiment of the present invention. Moreover, FIG. 8 is sectional drawing which cut | disconnected the engagement mechanism of the fixing metal fitting and installation leg of Embodiment 3 of this invention in the horizontal direction.

  As shown in FIGS. 7 and 8, the fixing bracket 210 according to the third embodiment has a second beam portion 215a formed on the front side of the side surface portion 215 and a second portion facing outward at the tip portion. The claw portion 215b is formed. The reinforcing portion 201c of the installation leg 201 is provided with a second locking portion 201e for locking the second claw portion 215b of the fixing bracket 210.

  According to such a configuration, since the installation leg 201 and the fixture 210 are engaged at a plurality of locations, the strength against shaking is improved, and the anchor bolt 220 against lateral displacement and rolling is used as an axis. It becomes possible to suppress rotation.

  By the way, the engagement mechanism of the third embodiment described above may be configured together with the engagement mechanism in the first or second embodiment. Thereby, the further improvement of the securing strength can be aimed at.

  DESCRIPTION OF SYMBOLS 100 Hot water storage unit, 200 Installation leg (front side), 201 Installation leg (back side), 201a Leg part, 201b Seat surface part, 201c Reinforcement part, 201d Locking part, 201e 2nd locking part, 210 Fixing bracket (locking) Member), 211 fixing part, 212 hole, 213 support part, 214 beam part (engagement part), 214a claw part (engagement part), 215 side part, 215a second beam part, 215b second claw part, 220 anchor bolt, 221 spacer, 222 nut,

Claims (5)

A hot water storage water heater installation mechanism comprising a hot water storage unit incorporating a hot water storage tank, an installation leg for supporting the hot water storage unit, and a locking member for fixing the installation leg to an installation surface,
The installation leg is
Legs extending vertically from the hot water storage unit;
Provided at the lower end of the leg portion, and a seat surface portion in contact with the installation surface,
The locking member is
A fixing part in which a hole into which an anchor member provided on the installation surface is inserted is formed;
A support portion configured to extend through a certain gap with respect to the installation surface in a state where the fixing portion is fixed to the installation surface by the anchor member;
When the seat portion is inserted into the gap, an engaging portion that engages with the installation leg;
An installation mechanism for a hot water storage type water heater comprising: The engaging portion is
A beam portion configured as a part of the support portion and extending along an insertion direction of the installation leg;
A claw portion protruding in the direction of the installation surface from the tip portion of the beam portion,
The hot water storage water heater installation mechanism according to claim 1, wherein the installation leg is formed with an engaging portion for engaging the claw portion on the seat surface portion.   The hot water storage water heater installation mechanism according to claim 1, wherein the locking member includes a plurality of the engaging portions. The installation leg includes a reinforcing portion erected vertically upward from a side along the insertion direction to the locking member in the seat surface portion,
The locking member includes a side surface facing the inner surface of the reinforcing portion,
The engaging portion is configured as a part of the side surface portion, and a second beam portion extending along the insertion direction of the installation leg;
A second claw portion projecting from the distal end portion of the second beam portion toward the outer side of the side surface portion,
4. The hot water storage type hot water heater according to claim 1, wherein the installation leg is formed with a second locking portion formed on the reinforcing portion for engaging with the second claw portion. 5. Installation mechanism.   The installation mechanism of the hot water storage type hot water heater according to any one of claims 1 to 4, wherein the installation leg includes an installation leg provided near the back surface of the hot water storage unit.

Images