Living device mounting structure

The mounting structure facilitates easy installation of large, high-efficiency water heaters in apartment building pipe shafts by using a sliding mechanism to avoid connector interference, enhancing installation efficiency.

JP2025145947APending Publication Date: 2025-10-03NORITZ CORP
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Patent Information

Application Number
JP2024046473
Authority / Receiving Office
JP · JP
Patent Type
Applications
Current Assignee / Owner
Filing Date
2024-03-22
Publication Date
2025-10-03

AI Technical Summary

Technical Problem

The installation of high-efficiency water heaters, such as heat pump and fuel cell water heaters, in apartment building pipe shafts is challenging due to their larger size and weight, requiring significant labor to align protruding connectors with mounting hardware during installation.

Method used

A mounting structure with a rectangular cylindrical frame member and support members that allow the equipment to slide into position, with a piping connection portion above the mounting portion to avoid interference with the frame, and a shielding member to facilitate easy installation.

Benefits of technology

The solution enables easy and efficient installation of high-efficiency water heaters by allowing them to be slid into place without interference from connectors, reducing installation workload and enabling easy pipe connection.

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Abstract

To provide a living device mounting structure capable of easily installing a living device to a pipe shaft.SOLUTION: In a living device mounting structure for fixing a living device (2) having a case (10) via a mounting metal fitting (20) to an opening metal frame (9) provided on a pipe shaft (PS) of an apartment house, the mounting metal fitting has: a rectangular cylindrical frame member (21) fixed to the opening metal fitting; a pair of support members (23) extending inward of the pipe shaft from a lower end of the frame member to support a bottom of the case and having an upper face part positioned above a lower face part of the frame member; and a reinforcement member (24) for coupling an end of the support member. The support member is configured to slide the living device while supporting the bottom of the case. The case of the living device has a location part (10a) for locating the supporting member on the bottom, and a pipeline connection part (10c), at which connection metal fittings (12a, 12b) for connection to an external pipeline is arranged. The pipeline connection part is positioned above the location part, so that a lower end of the connection metal fitting is positioned above the location part.SELECTED DRAWING: Figure 1
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Description

[Technical Field]

[0001] The present invention relates to a mounting structure for housing equipment to be installed in a pipe shaft of an apartment building. [Background technology]

[0002] In apartment buildings, pipe shafts are generally installed as storage spaces for water pipes and gas pipes that run vertically. At the opening of the pipe shaft, a metal frame is installed to support an openable door or panel, and residential equipment such as a gas water heater is typically fixed to the metal frame. Because typical household gas water heaters are small, it is relatively easy to fix them to the metal frame of the pipe shaft.

[0003] In recent years, there has been a demand for high-efficiency water heaters, such as heat pump water heaters and water heaters that utilize the exhaust heat of fuel cells, which are more energy efficient than combustion-type water heaters, to be installed in pipe shafts.High-efficiency water heaters are larger and more complex in configuration than gas water heaters, so they are divided into multiple functional units and installed in pipe shafts.

[0004] The multiple functional units of a high-efficiency water heater have narrow widths (lengths in the left-right direction) so that they can be fixed to the metal frame of the opening, and the depth (lengths in the front-to-back direction) is increased to ensure the size necessary to install the functional components. These functional units are often larger and heavier than gas water heaters, and because of the increased depth, the center of gravity of the functional units is further to the rear than that of gas water heaters. Therefore, to improve earthquake resistance, as in Patent Document 1, for example, the functional units are fixed via mounting frames (mounting brackets) to a frame (metal frame of the opening) to which support members that extend in the depth direction and support the functional units are fixed. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Patent Publication No. 2023-079874 Summary of the Invention [Problem to be solved by the invention]

[0006] In Patent Document 1, when fixing a functional unit to an opening metal frame, the lifted functional unit is inserted into a mounting bracket attached to the opening metal frame, facing inward toward the pipe shaft, and placed on a support member, and the functional unit is then fixed to the mounting bracket with screws. Because the functional unit is supported by the support member, the screw fixing work is easy.

[0007] However, because the bottom of the functional unit has multiple pipe connectors protruding downward, these connectors must be inserted without interfering with the mounting hardware. Since the heavy functional unit is usually lifted from the outside of the pipe shaft, it is not easy to insert the lifted functional unit into the fixing position. Therefore, the labor required to install the home appliance is significant, and improvements were needed.

[0008] SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide a mounting structure for housing equipment that allows housing equipment to be easily installed in a pipe shaft. [Means for solving the problem]

[0009] The mounting structure for residential equipment of the invention of claim 1 is a mounting structure for residential equipment in which residential equipment having a box-shaped case is fixed via mounting brackets to an opening metal frame installed in a pipe shaft of an apartment building, the mounting brackets having a rectangular cylindrical frame member fixed to the opening metal frame, a pair of left and right support members each extending from the lower end of the frame member inward into the pipe shaft to support the bottom of the case and having an upper surface located above the lower surface of the frame member, and a reinforcing member connecting the ends of these support members, the support members being configured to support the bottom of the placed residential equipment while allowing the residential equipment to slide, the residential equipment having at its bottom a mounting portion for placing it on the support member and a piping connection portion on which a connecting bracket for connecting to external piping is arranged, the piping connection portion being located above the placing portion so that the lower end of the connecting bracket is located above the placing portion.

[0010] According to the above configuration, when installing a plumbing fixture in a pipe shaft, the fixture is inserted into a rectangular cylindrical frame member fixed to the opening metal frame, and its mounting portion is placed on the support member. The plumbing fixture has a pipe connection portion located above the mounting portion, and the lower ends of the fittings disposed on the pipe connection portion are located above the mounting portion. Therefore, when the mounting portion is placed on the support member, the fittings of the pipe connection portion do not interfere with the frame member, so the plumbing fixture can be easily moved to its fixed position, reducing the workload.

[0011] The mounting structure for housing equipment of the invention of claim 2 is characterized in that, in the invention of claim 1, the piping connection portion is formed by recessing the front portion of the bottom of the case upward. According to the above configuration, a piping connection portion is formed in the front portion of the bottom of the plumbing equipment, so that after the rear portion of the mounting portion of the plumbing equipment is placed on the support member, the plumbing equipment can be easily slid to a fixed position without interference between the connecting fittings and the frame member.

[0012] The mounting structure for home appliances of the invention of claim 3 is characterized in that, in the invention of claim 1, the mounting portion is formed on the lower end of the left side plate and right side plate of the case, which extend below the lower end of the connecting fitting. According to the above configuration, after placing a portion of the mounting portion formed on the lower end of the left and right side plates of the case, which extends downward below the connecting fittings of the piping connection section, on the support member, the household appliance can be easily slid to the fixed position without interference between the connecting fittings and the frame member. [Effects of the Invention]

[0013] According to the mounting structure for housing equipment of the present invention, housing equipment can be easily installed in the pipe shaft. [Brief explanation of the drawings]

[0014] [Figure 1] 1 is a perspective view showing a mounting structure for a housing equipment according to an embodiment of the present invention; [Figure 2] FIG. 2 is a left side view of a power generating unit constituting the household equipment according to the embodiment of the present invention. [Figure 3] FIG. 10 is a left side view showing another example of the power generation unit. [Figure 4] FIG. 1 is a perspective view of a mounting bracket according to an embodiment of the present invention. [Figure 5] FIG. 10 is a perspective view of a main part showing a support member equipped with a guide member. [Figure 6] FIG. 10 is a left side view showing the state in which the power generation unit is being installed. DETAILED DESCRIPTION OF THE INVENTION

[0015] Hereinafter, the mode for carrying out the present invention will be described based on examples. [Example]

[0016] In an apartment building, as shown in Figure 1, a pipe shaft PS is installed in each unit as a storage space for water pipes, gas pipes, etc. The pipe shaft PS is installed, for example, facing a common corridor, and household appliances are installed inside the pipe shaft PS. Note that the arrows F, L, and U in the figure indicate the front, left, and top of the pipe shaft PS, respectively, and also indicate the front, left, and top of the household appliances installed inside the pipe shaft PS.

[0017] A highly efficient hot water supply system comprised of multiple functional units is installed as a residential equipment in the pipe shaft PS. For example, a hot water supply system 1 of the storage type is installed as a residential equipment. The hot water supply system 1 has a heat source (power generation unit 2) that uses heat generated when a fuel cell generates electricity, a hot water storage tank 3, and a backup combustion-type heat source (combustion unit 4). This hot water supply system 1 stores high-temperature water heated by the power generation unit 2 in the hot water storage tank 3, and supplies hot water by adjusting the temperature by mixing clean water with the high-temperature water drawn from the hot water storage tank 3. If the heat capacity of the hot water in the hot water storage tank 3 is insufficient, the combustion unit 4 heats the water and supplies hot water.

[0018] An opening metal frame 9 having a frame body 6, horizontal bars 7, and vertical bars 8 is fixed to the opening of the pipe shaft PS in order to support a door 5a for opening and closing this opening. Exhaust gas from the power generation unit 2 during power generation and exhaust gas from the combustion unit 4 during combustion are discharged toward the front of the pipe shaft PS. To prevent this exhaust gas from hitting people, the power generation unit 2 and the combustion unit 4 are fixed to the opening metal frame 9 and installed at the top of the pipe shaft PS. Note that the doors in front of the power generation unit 2 and the combustion unit 4 are not shown in the illustration.

[0019] The power generation unit 2 and combustion unit 4 have a small width (length in the left-right direction) so that they can fit into the upper part of the pipe shaft PS, and a depth (length in the front-to-back direction) greater than the width, ensuring the size necessary to mount functional components. In order to support the power generation unit 2 and combustion unit 4, which are heavy objects and have a large depth that has shifted the center of gravity to the rear, the opening metal frame 9 is divided into two sections at the top by horizontal beams 7 and vertical beams 8. The front parts of the power generation unit 2 and combustion unit 4 are fixed to the opening metal frame 9 via mounting brackets 20.

[0020] The hot water tank 3 is installed behind the power generation unit 2 and the combustion unit 4. Gas piping and multiple hot and cold water piping are connected to the bottom of the power generation unit 2 and the combustion unit 4.

[0021] As shown in Figures 1 and 2, the power generation unit 2 has a box-shaped case 10 whose depth is greater than its width, and an exhaust stack 11 that protrudes forward. Functional components such as a fuel cell stack and an exhaust heat recovery device are housed inside the case 10. The case 10 has a mounting portion 10a provided at the bottom, a flange portion 10b formed by protruding outward from the case 10 so as to surround the front portion of the case 10, and a pipe connection portion 10c located above the mounting portion 10a. The pipe connection portion 10c is preferably formed by recessing the front portion of the bottom of the case 10 upward.

[0022] The pipe connection portion 10c is provided with a plurality of fittings 12a, 12b that protrude downward for connecting pipes such as external hot and cold water pipes. If there are fittings 12c or drain plugs that cannot be arranged in the pipe connection portion 10c, these are arranged at the bottom of the case 10 as close to the rear as possible.

[0023] The power generation unit 2 is fixed to the opening metal frame 9 via mounting brackets 20. At this time, the flange portion 10b of the case 10 is fixed to the mounting bracket 20. A shielding member 14 for shielding the front side of the pipe connection portion 10c is fixed to the lower portion of the flange portion 10b with, for example, screws. The shielding member 14 is formed, for example, by bending a plate-shaped metal material, and the lower end of the shielding member 14 is located lower than the lower ends of the connection brackets 12a and 12b.

[0024] 3, the left and right side plates of case 10 may be extended downward beyond the lower ends of connector fittings 12a to 12c, thereby forming the lower ends of the left and right side plates of case 10 as mounting portion 10a. In this case, the entire bottom between the left and right side plates can be used as pipe connection portion 10c above mounting portion 10a, which alleviates restrictions on the placement of connector fittings 12a, etc.

[0025] 4, the mounting bracket 20 has a rectangular cylindrical frame member 21 that is inserted into the opening metal frame 9 and fixed with, for example, screws, a pair of left and right support members 23 that extend horizontally rearward from the lower end portions of the left and right ends of the frame member 21, and a reinforcing member 24 that connects the ends (rear ends) of these support members 23. The reinforcing member 24 maintains the distance between the rear ends of the left and right support members 23.

[0026] The frame member 21 is formed into a rectangular cylindrical shape by connecting an upper surface portion 21a, a left surface portion 21b, a right surface portion 21c, and a lower surface portion 21d. The upper surface portion 21a, the left surface portion 21b, the right surface portion 21c, and the lower surface portion 21d each have a front end portion bent outward from the cylinder. Front ends of a pair of left and right support members 23 are fixed to both left and right ends of the lower surface portion 21d and to both left and right ends of the bent front end portion of the lower surface portion 21d, for example, with screws. In addition, the front end portions of the left surface portion 21b, the right surface portion 21c, and the lower surface portion 21d are each fixed to the opening metal frame 9, for example, with screws.

[0027] The flange portion 10b of the power generation unit 2 is fixed to the upper surface portion 21a of the frame member 21, for example, with screws. The shielding member 14 attached to the flange portion 10b is fixed to the lower surface portion 21d of the frame member 21, for example, with screws.

[0028] The pair of left and right support members 23 support the mounting portion 10a of the case 10 of the power generation unit 2, which is inserted into and mounted on the frame member 21. As shown in Figures 4 and 5, the left and right support members 23 each have a horizontal upper surface 23a formed by bending the upper end portion into a stepped shape that is positioned higher toward the inside (the side closer to the other support member 23), and the upper surface 23a of the left and right support members 23 abut against the mounting portion 10a to support the power generation unit 2. The support members 23 are formed with a vertical width that can ensure the strength to support a heavy load, and are made less likely to deform because they are bent into a stepped shape and their rear ends are connected by a reinforcing member 24.

[0029] The upper surface 23a of the support member 23 is located higher than the lower surface 21d of the frame member 21, allowing the power generation unit 2 to slide without the case 10 coming into contact with the lower surface 21d of the frame member 21. This upper surface 23a is formed with a narrow width over substantially the entire length of the support member 23 so as to function as a sliding member that reduces friction with the mounting portion 10a. This upper surface 23a may be equipped with a sliding member made of, for example, a lubricating synthetic resin to further reduce friction.

[0030] In order to prevent the power generation unit 2 placed on the left and right support members 23 from shifting in the left-right direction, the left and right support members 23 are each equipped with a guide member 25. The upper ends of the guide members 25 extend above the upper surface 23a of the support members 23 and abut against the lower end portions of the left and right side surfaces of the case 10, preventing the power generation unit 2 from shifting in the left-right direction when it slides.

[0031] Next, the installation of the power generating unit 2 in the pipe shaft PS will be described. The mounting bracket 20 shown in Fig. 4 is inserted from the front of the pipe shaft PS and fixed into the opening metal frame 9. The power generation unit 2 shown in Fig. 2 or 3 is lifted from the outside (front) of the pipe shaft PS and inserted into the frame member 21 of the mounting bracket 20 toward the inside (rear) of the pipe shaft PS as shown in Fig. 6.

[0032] 2, the power generation unit 2 is inserted, for example, in a forward tilted position so that the connector fittings 12c and other components disposed on the outside of the pipe connection portion 10c pass over the frame member 21 and fit between the left and right support members 23, and then the power generation unit 2 is placed in an upright position, so that a portion of the rear side of the mounting portion 10a is placed on the support members 23. On the other hand, in the power generation unit 2 of FIG. 3, the connector fittings 12a to 12c located above the mounting portion 10a do not interfere with the frame member 21, and a portion of the rear side of the mounting portion 10a can be placed on the support members 23. In this way, the upper surface 23a of the support members 23 abuts against the mounting portion 10a, supporting the power generation unit 2.

[0033] With a portion of the rear side of the mounting portion 10a placed on the support member 23, the power generation unit 2 is slid inward (rearward) of the pipe shaft PS and inserted to the fixed position (see FIG. 1). At the fixed position, the shielding member 14 attached to the flange portion 10b abuts against the bent rear end of the lower surface 21d of the frame member 21. There are no members between the left and right support members 23 that may interfere with the connecting fittings 12c, the connecting fittings 12a and 12b arranged on the pipe connection portion 10c do not interfere with the frame member 21, and the upper surface 23a of the support member 23 is formed to reduce friction, so the power generation unit 2 can be easily inserted to the fixed position.

[0034] The power generation unit 2 inserted into the fixed position is fixed with screws to the upper surface 21a of the frame member 21. In addition, the shielding member 14 attached to the flange portion 10b is fixed with screws to the lower surface 21d of the frame member 21. Although not explained further, similar to the power generation unit 2, the combustion unit 4 having a mounting portion and a pipe connection portion can also be easily fixed to the opening metal frame 9 of the pipe shaft PS. In addition, if the pipe connection portion 10c is located in the front portion of the power generation unit 2, the work of connecting pipes to the connecting fittings 12a, 12b of the pipe connection portion 10c can be easily performed from the front of the pipe shaft PS.

[0035] The operation and effect of the mounting structure for a housing equipment, in which a housing equipment such as a power generating unit 2 is mounted via a mounting bracket 20 to the opening metal frame 9 of the pipe shaft PS, will be described. The mounting bracket 20 includes a rectangular cylindrical frame member 21 fixed to the opening metal frame 9, a pair of left and right support members 23 each extending from the lower end of the frame member 21 toward the inside of the pipe shaft PS, and a reinforcing member 24 connecting the ends of these support members 23. The pair of left and right support members 23 have upper surfaces 23a located above the lower surface 21d of the frame member 21 and support a mounting portion 10a provided on the bottom of the case 10. The support members 23 allow the power generation unit 2 to slide while supporting the mounting portion 10a of the mounted power generation unit 2. The power generation unit 2 includes the mounting portion 10a for mounting on the support member 23 and a piping connection portion 10c on which fittings 12a and 12b for connecting external piping are disposed. The piping connection portion 10c is located above the mounting portion 10a so that the lower ends of the fittings 12a and 12b are located above the mounting portion 10a.

[0036] When installing the power generation unit 2 in the pipe shaft PS, the power generation unit 2 is lifted and inserted into a rectangular cylindrical frame member 21 fixed to the opening metal frame 9, and its mounting portion 10a is placed on the support member 23. The power generation unit 2 has a pipe connection portion 10c located above the mounting portion 10a, and the lower ends of the fittings 12a, 12b disposed on the pipe connection portion 10c are located above the mounting portion 10a. Therefore, when the mounting portion 10a is placed on the support member 23, the fittings 12a, 12b of the pipe connection portion 10c do not interfere with the frame member 21, so the power generation unit 2 can be easily moved to its fixed position, reducing the workload.

[0037] When the piping connection portion 10c is formed by recessing the front portion of the bottom of the case 10 upward, after the rear portion of the mounting portion 10a is placed on the support member 23, the power generation unit 2 can be easily slid to the fixed position without interference between the connecting fittings 12a, 12b and the frame member 21. Furthermore, when connecting piping or the like to the fixed power generation unit 2, the connecting work can be easily performed from the front of the pipe shaft PS to the connecting fittings 12a, 12b of the piping connection portion 10c.

[0038] When the mounting portion 10a is formed on the lower ends of the left and right side plates of the case 10, extending downward below the lower ends of the connecting fittings 12a and 12b, after the rear portion of the mounting portion 10a is placed on the support member 23, the power generation unit 2 can be easily slid to the fixed position without interference between the connecting fittings 12a to 12c and the frame member 21.

[0039] In a hot water storage type water heater in which a heat pump type heat source unit and a backup combustion type heat source unit are each functional units, they can be configured to be fixed to the opening metal frame 9 of the pipe shaft PS in the same manner as above. In addition, a person skilled in the art can implement the above embodiment in various modified forms without departing from the spirit of the present invention, and the present invention includes such modified forms. [Explanation of symbols]

[0040] 1: Hot water supply equipment 2: Power generation unit 3: Hot water tank 4: Combustion unit 5a: Door 6: Frame 7: Horizontal bar 8: Vertical bars 9: Opening metal frame 10: Case 10a: Placement section 10b: Flange part 10c: Pipe connection 11:Exhaust pipe 12a~12c: Connection fittings 14: Shielding member 20: Mounting bracket 21: Frame member 21a: Top part 21b: Left side 21c: Right side 21d: Bottom part 23: Support member 23a: Top part 24: Reinforcement member 25: Guide member PS: Pipe shaft

Claims

1. In a mounting structure for housing equipment, a housing equipment having a box-shaped case is fixed to an opening metal frame installed in a pipe shaft of an apartment building via a mounting bracket, The mounting fixture comprises a rectangular cylindrical frame member fixed to the opening metal frame, a pair of left and right support members each extending from a lower end of the frame member toward the inside of the pipe shaft to support the bottom of the case and having an upper surface located above the lower surface of the frame member, and a reinforcing member connecting the ends of these support members, the support member is configured to support the bottom of the placed household equipment while allowing the household equipment to slide; The housing equipment has, at the bottom, a mounting portion for mounting on the support member and a piping connection portion provided with a connector for connecting to an external piping, The pipe connection portion is positioned above the mounting portion so that the lower end of the connecting fitting is positioned above the mounting portion.

2. 2. The mounting structure for housing equipment according to claim 1, wherein the pipe connection portion is formed by recessing the front portion of the bottom of the case upward.

3. 2. The mounting structure for housing equipment according to claim 1, wherein the mounting portions are formed at the lower ends of the left and right side plates of the case, which extend below the lower ends of the connecting fittings.

Citation Information

Patent Citations

  • Fixing device of facility device

    JP2023079874A