JP2021092335A - Air-conditioning branch chamber - Google Patents

Abstract

To provide an air-conditioning branch chamber with a structure that can be simply installed and facilitates construction.SOLUTION: A heat-insulating chamber body 10 of an air-conditioning branch chamber 3 is formed so as to decrease width from a base end portion toward a tip end portion, and a duct connection port 15 is provided on a side surface 13. The base end portion is provided with a metallic connection port member 20, and is connected with an air-conditioner 2. A metallic strip-shaped reinforcing member 30 is provided so as to connect the base end portion and the tip end portion along at least one of an upper surface 11 and a lower surface 12 of the chamber body 10. A suspension metal fitting 40 is projected out from the reinforcing member 30 at the tip end portion. A coupling portion 42 of the suspension metal fitting 40 is coupled to one suspension material 5 suspended from a ceiling 6.SELECTED DRAWING: Figure 2

Description

The present invention relates to a branch chamber for air conditioning that diverts air from an air conditioner.

In air-conditioning equipment of buildings such as office buildings, air conditioned by an air conditioner is divided into a plurality of ducts by a branch chamber and sent to each air-conditioned area (see Patent Document 1 and the like). For example, the branch chamber of Patent Document 1 is formed in a long box shape, and a plurality of duct connection ports are provided on the side surface. A branch chamber in which the width of the tip side portion in the length direction is gradually reduced is also disclosed.

Japanese Unexamined Patent Publication No. 2015-183940 (FIGS. 1 and 7)

Generally, this type of branch chamber is suspended and supported by being connected to the lower end of a rod-shaped suspension member suspended from the ceiling. In the box-shaped branch chamber, it is necessary to provide a plurality of hanging materials and support them by the plurality of hanging materials, which is troublesome for installation and construction.
In view of such circumstances, an object of the present invention is to provide a branch chamber for air conditioning having a structure that can be easily installed and easily constructed.

In order to solve the above problems, the present invention is an air conditioning branch chamber that divides air from an air conditioner.
A chamber body that contains a heat insulating material made of foamed resin, is formed so that the width decreases from the base end to the tip, and has a duct connection port on the side surface.
A metal connection port member provided at the base end portion and connected to the air conditioner, and
A metal strip-shaped reinforcing member extending along at least one of the upper surface and the lower surface of the chamber body so as to connect the base end portion and the tip end portion.
A hanging metal fitting having a connecting portion with one hanging member and protruding from the reinforcing member at the tip portion, and a hanging metal fitting protruding from the reinforcing member.
It is characterized by being equipped with.

According to the branch chamber for air conditioning, by supporting the base end portion by the air conditioner, the chamber is cantilevered from the air conditioner. The tip of the branch chamber for air conditioning is supported by a single hanging material. The load on the tip end side of the chamber body is transmitted to one hanging member via the reinforcing member and the hanging metal fitting. Since the width of the tip side portion of the chamber body is small, even if it is suspended and supported by only one suspending material, it can be stably supported. Since only one suspension material is required, the construction time required for suspension support is a fraction of the case where a plurality of suspension materials need to be used. The chamber body, which is mainly made of foamed resin, is reinforced by a reinforcing member.

The reinforcing member has an upper strip portion that covers the upper surface of the chamber body, a lower strip portion that covers the lower surface of the chamber body, and a tip strip portion that covers the tip surface of the chamber body. It is preferable that the plate portion and the lower band plate portion are connected via the tip band plate portion, and the upper band plate portion and the lower band plate portion are joined to the connection port member at the base end portion. ..
As a result, the chamber body can be surrounded and held so as to go around the chamber body by the connection port member and the reinforcing member. The base end portion of the reinforcing member is connected to and supported by the air conditioner via the connection port member, and the tip end portion of the reinforcing member is connected to and supported by the hanging member via the hanging metal fitting.
It is preferable that edge walls projecting from the outer surface of the chamber body are formed on both edges of the reinforcing member in the width direction.

According to the present invention, the installation and construction of the branch chamber for air conditioning can be easily performed.

FIG. 1 is a plan view of an air conditioner including a branch chamber for air conditioning according to the first embodiment of the present invention. FIG. 2 is a side sectional view taken along the line II-II of FIG. FIG. 3 is a perspective view of the branch chamber for air conditioning. FIG. 4 is a perspective view of the hanging metal fitting of the branch chamber for air conditioning. FIG. 5 is a side sectional view of an air conditioner including a branch chamber for air conditioning according to the second embodiment of the present invention. FIG. 6 is a side sectional view of an air conditioner including a branch chamber for air conditioning according to a third embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
<First Embodiment FIGS. 1 to 4>
FIG. 1 shows an air conditioner 1 of a building such as an office building.
The air conditioner 1 includes an air conditioner 2, a branch chamber 3 for air conditioning, and a plurality of ducts 4. The air conditioner 2 sends out air from the outlet 2c by adjusting the temperature, humidity, and the like. The outlet 2c has, for example, a horizontally long quadrangular tubular shape.

As shown in FIGS. 1 to 3, the branch chamber 3 divides the air from the air conditioner 2, and includes a chamber main body 10, a connection port member 20, a reinforcing member 30, and a hanging metal fitting 40. There is. As shown in FIG. 2, the chamber main body 10 includes an upper plate 11, a lower plate 12, a pair of side plates 13, and a tip plate 14 at the tip. The base end portion of the chamber body 10 on the side opposite to the tip plate 14 (left side in FIG. 2) is open. As shown in FIG. 1, the chamber main body 10 is formed in a substantially triangular box shape in a plan view so that the width decreases from the base end portion to the tip end portion. The upper plate 11 and the lower plate 12 have a substantially triangular plate shape. The pair of side plates 13 are inclined with respect to the center line L3 connecting the base end portion and the tip end portion so as to approach each other toward the tip end portion. As shown in FIG. 3, the tip plate 14 has a narrow quadrangle.

The plates 11, 12, 13, and 14 of the chamber body 10 are preferably made of a heat insulating material made of a hard foamed resin as a main material. Examples of the foamed resin include, but are not limited to, polyisocyanurate foam. The thicknesses of the plates 11 to 14 are tens of mm to several tens of mm, respectively, but the thickness is not limited to this. Although detailed illustration is omitted, the entire surface of the heat insulating material constituting the plates 11 to 14 is covered with an aluminum sheet.

As shown in FIG. 3, the pair of side plates 13 are provided with a plurality of (for example, three) duct connection ports 15. The duct connection port 15 is formed in a cylindrical shape and projects from the outer surface of the side plate 13, that is, the side surface of the chamber body 10. The three duct connection ports 15 are arranged at intervals in the longitudinal direction of each side plate 13. The number of duct connection ports 15 of each side plate 13 is three in FIG. 3, but is not limited to this, and may be one or two, or four or more.
The material of the duct connection port 15 is a metal such as steel, iron, or aluminum. For example, galvanized steel sheet is used, but the material is not limited to this. As shown in FIG. 1, from each duct connection port 15. The duct 4 extends to the outlet (not shown) of the corresponding air conditioning area.

As shown in FIG. 2, a connection port member 20 is provided at an open base end portion of the chamber body 10. The material of the connection port member 20 is a metal such as steel, iron, or aluminum, and for example, a galvanized steel sheet is used, but the material is not limited thereto.

The connection port member 20 has a horizontally long stepped tubular shape. Specifically, the connection port member 20 integrally has a chamber connection cylinder portion 21 and a device connection cylinder portion 22. The chamber connecting cylinder portion 21 covers the outer peripheral surface and the corner portion formed by the end surface of the base end portion of the chamber body 10.

The device connection cylinder portion 22 projects from the chamber connection cylinder portion 21 and thus from the chamber main body 10 toward the air conditioner 2. The device connection cylinder portion 22 is one size smaller than the chamber connection cylinder portion 21, and a step 23 is formed between the cylinder portions 21 and 22. The device connection cylinder portion 22 is fitted on the outer periphery of the outlet 2c of the air conditioner 2. A collar portion 24 is formed at the protruding end portion of the device connection cylinder portion 22. The collar portion 24 is screwed to the air conditioner 2.
As a result, the base end portion of the branch chamber 3 is connected to and supported by the air conditioner 2. The air conditioner 2 receives the load of the base end side portion of the branch chamber 3.

As shown in FIGS. 1 to 3, a reinforcing member 30 is provided so as to wrap around the outer periphery of the central portion of the chamber body 10 in the width direction. The material of the reinforcing member 30 is a metal such as steel, iron, or aluminum, and for example, a galvanized steel sheet is used, but the reinforcing member 30 is not limited to this. The chamber body 10 is reinforced by the reinforcing member 30.

The reinforcing member 30 includes an upper strip portion 31, a lower strip portion 32, and a tip strip portion 33, and has a bent strip shape. The upper strip portion 31 and the lower strip portion 32 are separated from each other in the vertical direction and extend in parallel so as to connect the base end portion and the tip end portion of the chamber body 10. The ends of the upper and lower strips 31 and 32 on the tip side are connected to each other via the vertically formed tip strips 33.
The reinforcing member 30 is not limited to the one formed by bending one strip, and may be a plurality of strips connected by welding or bolts.

The edge wall 34 is formed by bending both edges of the strips 31, 32, 33 in the width direction outward at a substantially right angle, and the cross-sectional shape of the strips 31, 32, 33 is U-shaped. It has a shape. The edge wall 34 extends over almost the entire length of each strip portion 31, 32, 33. A notch 35 for separating the edge walls 34 is formed between the edge walls 34 of the strips 31, 33 and 32, 33 that intersect at right angles.
By providing the edge wall 34, the bending rigidity of each strip portion 31, 32, 33 is increased.
The strips 31, 32, and 33 of the reinforcing member 30 are not limited to the U-shaped cross-sectional shape, and may have a flat plate shape in which the edge wall 34 is omitted.

As shown in FIG. 2, the reinforcing member 30 extends along the outer surface of the chamber body 10. The upper strip portion 31 covers the upper surface of the chamber body 10 (the outer surface of the upper plate 11). The lower strip portion 32 covers the lower surface of the chamber body 10 (the outer surface of the lower plate 12). The tip strip portion 33 covers the tip surface (outer surface of the tip plate 14) of the chamber body 10.
An aluminum tape may be attached across the reinforcing member 30 and the chamber body 10. The reinforcing member 30 and the chamber body 10 may be adhered with an adhesive. The edge wall 34 may be omitted.

At the base end of the chamber body 10, both ends of the reinforcing member 30 are joined to the connection port member 20. That is, the end portion of the upper strip portion 31 is screwed to the upper plate portion 21a of the chamber connecting cylinder portion 21. The end portion of the lower strip portion 32 is screwed to the bottom plate portion 21b of the chamber connecting cylinder portion 21. As a result, the connection port member 20 and the reinforcing member 30 cooperate with each other to surround and hold the chamber body 10 so as to go around the chamber body 10.

A hanging metal fitting 40 is provided on the tip strip portion 33 (reinforcing member at the tip portion). The hanging metal fitting 40 is made of an L-shaped angle material. The material of the hanging metal fitting 40 is a metal such as steel, iron, or aluminum, and for example, a galvanized steel sheet is used, but the material is not limited thereto.

As shown in FIG. 4, the hanging metal fitting 40 includes a fixing portion 41 and a connecting portion 42. The fixing portion 41 and the connecting portion 42 are orthogonal to each other. The fixing portion 41 is fixed to the tip strip portion 33 by welding or screwing. The connecting portion 42 projects from the tip strip portion 33 toward the tip side. An insertion hole 43 is formed in the connecting portion 42. The insertion hole 43 is an elongated hole that is long in the width direction of the chamber body 10.

As shown in FIG. 2, one hanging member 5 is hung from the ceiling 6. The hanging material 5 is made of a rod material such as a threaded rod. The lower end of the hanging member 5 is inserted into the insertion hole 43 and is connected to the connecting portion 42 by the nut 5b. The tip of the air-conditioning branch chamber 3 is suspended and supported by one suspension member 5. The load on the tip end side of the chamber body 10 is received by one hanging member 5 via the reinforcing member 30 and the hanging metal fitting 40.

When installing the air-conditioning branch chamber 3, the connection port member 20 of the air-conditioning branch chamber 3 is fitted into the outlet 2c of the air conditioner 2, so that the base end portion of the air-conditioning branch chamber 3 becomes the air conditioner 2. Make them support. As a result, the air conditioning branch chamber 3 is cantilevered from the air conditioner 2.
Subsequently, the lower end of one hanging member 5 suspended from the ceiling 6 is passed through the insertion hole 43 of the hanging bracket 40 to connect the hanging member 5 and the hanging bracket 40. Since the insertion hole 43 is an elongated hole, it is possible to absorb the misalignment between the hanging member 5 and the hanging metal fitting 40. As a result, the tip of the air-conditioning branch chamber 3 is suspended and supported by one suspension member 5. Since the width of the air-conditioning branch chamber 3 becomes smaller toward the tip end portion to be suspended and supported, even if the branch chamber 3 is suspended and supported by only one suspension member 5, it can be stably supported.

In this way, the installation and construction of the air conditioning branch chamber 3 can be easily performed. Only one suspension member 5 is required for each branch chamber 3 for air conditioning. Therefore, the construction time required for suspension support is a fraction of the case where it is necessary to use a plurality of suspension materials.

According to the air-conditioning branch chamber 3, the heat insulating property can be ensured by the chamber body 10 made of the foamed resin heat insulating material.
The temperature-controlled air from the air conditioner 2 is introduced into the air-conditioning branch chamber 3 from the outlet 2c and is divided into a plurality of ducts 4. By narrowing the internal flow path of the air-conditioning branch chamber 3 toward the tip, the temperature-controlled air can be divided into the plurality of ducts 4 as evenly as possible.

Next, other embodiments of the present invention will be described. In the following embodiments, the same reference numerals are given to the drawings for configurations that overlap with the above-described embodiments, and the description thereof will be omitted.
<Second Embodiment (Fig. 5)>
As shown in FIG. 5, in the air-conditioning branch chamber 3B of the second embodiment, the reinforcing member 30B is composed of the upper strip portion 31 and the tip strip portion 33, and has a substantially L shape. The lower end portion of the tip strip portion 33 is bent toward the base end portion side to form the lower locking piece 36. The lower locking piece 36 is sufficiently shorter than the upper strip portion 31.
The tip of the chamber body 10 is placed and locked on the lower locking piece 36. The load on the tip end side of the chamber body 10 is transmitted to the hanging member 5 via the reinforcing member 30 including the lower locking piece 36 and the hanging metal fitting 40. As a result, the chamber body 10 can be stably supported.

<Third Embodiment (Fig. 6)>
As shown in FIG. 6, in the air-conditioning branch chamber 3C of the third embodiment, the reinforcing member 30C is composed of a lower strip portion 32 and a tip strip portion 33, and has a substantially L shape. The upper end portion of the tip strip portion 33 is bent toward the base end portion side to form the upper locking piece 37. The upper locking piece 37 is sufficiently shorter than the lower strip portion 32.
The upper surface of the tip of the chamber body 10 is locked to the upper locking piece 37. As a result, the chamber body 10 can be stably supported.

The present invention is not limited to the above-described embodiment, and various modifications can be made without departing from the spirit of the present invention.
For example, the material of the duct connection port 15 is not limited to metal, but may be resin.
The fixing portion 42 of the hanging metal fitting 41 may be fixed to the tip portion of the upper strip portion 31 or the tip portion of the lower strip portion 32.

The present invention can be applied to, for example, building air conditioning equipment.

1 Air conditioner 2 Air conditioner 2c Outlet 3 Air conditioner branch chamber 3B, 3C Air conditioner branch chamber 4 Duct 5 Suspension material 10 Chamber body 13 Side plate 14 Tip plate 15 Duct connection port 20 Connection port member 30 Reinforcement member 30B, 30C Reinforcement member 31 Upper band plate 32 Lower band plate 33 Tip band plate 40 Hanging bracket 43 Insertion hole

Claims (2)

A branch chamber for air conditioning that divides the air from the air conditioner.
A chamber body that contains a heat insulating material made of foamed resin, is formed so that the width decreases from the base end to the tip, and has a duct connection port on the side surface.
A metal connection port member provided at the base end portion and connected to the air conditioner, and
A metal strip-shaped reinforcing member extending along at least one of the upper surface and the lower surface of the chamber body so as to connect the base end portion and the tip end portion.
A hanging metal fitting having a connecting portion with one hanging member and protruding from the reinforcing member at the tip portion, and a hanging metal fitting protruding from the reinforcing member.
A branch chamber for air conditioning, which is characterized by being equipped with. The reinforcing member has an upper strip portion that covers the upper surface of the chamber body, a lower strip portion that covers the lower surface of the chamber body, and a tip strip portion that covers the tip surface of the chamber body. The plate portion and the lower strip portion are connected to each other via the tip strip portion.
The branch chamber for air conditioning according to claim 1, wherein the upper strip portion and the lower strip portion are joined to the connection port member at the base end portion.

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