JP3024075B2 - Air chamber unit for air conditioner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air chamber unit for an air conditioner used for mixing hot and cold air, distributing airflow, and the like.

[0002]

2. Description of the Related Art For mixing hot and cold air in a multiple duct system,
Or, in order to maintain a constant air volume, mute noise, distribute airflow, and the like, an air chamber is conventionally provided between an air conditioner body or a main duct and an airflow outlet in a space above a building ceiling.

[0003] Such an air chamber is formed of a rather large hollow box having a side wall protruding a neck for connection with a flexible duct or the like in order to secure the above-mentioned functions.

[0004]

Therefore, when the air chamber is stored together with the flexible duct to be connected thereto, a large storage space is required,
Alternatively, the flexible duct is bulky during transportation, and loading and loading operations are complicated. In addition, since the flexible duct has a substantially cylindrical shape, there is a lot of waste in the storage space during loading, and there are many problems in transporting.

[0005] In the case of transporting a flexible duct and an air chamber in a packed state, it is usual to attach a plurality of flexible ducts to one air chamber. However, there is a problem that a large loading space or the like must be devoted to packing the air chamber.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has a problem in transporting an air chamber used for an air conditioner and having an internal space, and a cylindrical flexible duct which is inconvenient for storing and storing the air chamber. The purpose is to eliminate.

[0007]

SUMMARY OF THE INVENTION The above objects of the present invention are as follows.
An air chamber unit for an air conditioner comprising an air chamber connected to an air conditioner and a flexible duct having one end connected to the air chamber and the other end connected to an air outlet, wherein the air chamber is openable and closable. And the flexible duct is housed in the air chamber in a contracted state.

Thus, the internal space of the air chamber, which was conventionally wasted during transportation, can be effectively used as a storage space for the cylindrical flexible duct which is inconvenient to store, and the air chamber and the flexible duct are set as a set. The air chamber can be handled, and the correspondence between the air chamber and the flexible duct used for the air chamber can be ensured.

Here, the air chamber is formed in a rectangular parallelepiped shape, and at least one of the rectangular face plates constituting the air chamber, preferably a top plate, can be opened and closed, and the air chamber assures airtightness. In order to achieve this, it is desirable to provide a packing material for closing the openable and closable face plate in a closed manner.

[0010]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of an air chamber for an air conditioner according to an embodiment of the present invention, and FIG. 2 is a perspective view showing a state in which a flexible duct is housed in the air chamber of FIG.

In the figure, an air chamber 10 is provided with a bottom plate 1.
2 and four sets of peripheral side plates 14a,
14b, 14c, and 14d, and an upper surface plate 18 pivotally attached to the upper end of a pair of peripheral side plates 14c as hinges 16 as an opening / closing portion 15 to form a hollow box body. , A plurality of flexible ducts 22 for connecting the air chamber 10 to an air outlet or the like are accommodated in the hollow box 20.

In the air chamber 10, a hole 24 is formed in a pair of peripheral side plates 14d of the hollow box 20 for supplying air by connecting an air conditioner or a main duct, for example. A duct joint 26 is protrudingly provided.

In order to connect one end of a plurality of flexible ducts 22 to the air chamber 10, the hollow box 2
The other three sets of peripheral side plates 14a, 14b, 14c are each provided with two sets of connecting portions 28.

As shown in FIG. 5, the connecting portion 28 is connected to the flexible duct 22 in which the flange joint 32 is fixed to both ends of the telescopic cylinder 30 shown in FIG. The hole 34 has a diameter substantially the same as that of the hole 22, and a U-shaped groove receiving and locking plate 36 fixed to the peripheral side plate 14 on the outer surface of the hole 34. By fitting the flange joint 32 into the U-shaped groove receiving and locking plate 36 from above, the flexible duct 22 is connected and locked to the hole 34 of the connecting portion 20 with one touch.

In this embodiment, two sets of connecting portions 28 are provided on each of the peripheral side plates 14a, 14b, 14c of the hollow box 20, but the present invention is not limited to this. The holes 34 may be formed in accordance with the number of flexible ducts, and the corresponding number of flexible ducts may be accommodated. The number of the flexible ducts may be set arbitrarily according to the situation of construction. May be formed.

The upper surface plate 18 and each peripheral side plate 1 of the hollow box 20
A packing material 38 is attached to the joint surfaces with the sealing members 4a, 14b, 14c, and 14d in order to maintain airtightness at the time of closing. Further, on the opposite side of the pivoting portion of the upper surface plate 18, a lock mechanism 40, 4 for maintaining a closed state between the upper end of the outer surface of the peripheral side plate 14 a and the outer surface of the edge of the upper surface plate 18.
0 is set.

Further, on the upper surface near the four corners of the upper surface plate 18 of the hollow box 20, four sets of suspensions for suspending the air chamber 10 at the lower end of a suspension shaft suspended from the ceiling slab in the space above the ceiling are provided. The support member 42 is supported so as to protrude outward.

The air chamber 10 in the present embodiment is
As described above, each peripheral side plate 14a, 14
A plurality of flexible ducts 22 branching and connected to the connection portions 28b and 14c are stored, and the upper surface plate 18 is closed and locked by the lock mechanisms 40 and 40 and stored in a warehouse or the like, or a construction site or the like. It is transported to Since the plurality of flexible ducts 22 are housed in the hollow box 20, there is no bulk during storage or transportation, and loading, unloading, or carrying to a vehicle during transportation, etc. Can be performed extremely easily.

Even in the case where the flexible duct 22 is installed in the space above the ceiling of the building, as shown in the plan view of FIG. Take it out of the box and again top plate 1
8 is closed by the lock mechanisms 40, 40, the duct joint 26 of the hollow box 20 is connected to the air conditioner 44 installed in the space above the ceiling, and the hanging bracket 42 is further projected outward to rotate the ceiling slab. And suspended from the lower end of the suspension support shaft at a predetermined height.

Thereafter, the flange joint 32 at one end of each flexible duct 22 is connected to each of the peripheral side plates 14a, 14b, 14c.
The fitting at the U-shaped groove receiving and locking plate 36 of the connecting portion 28 and the expansion and contraction of each flexible duct 22 to the connecting portion 48 of each air blowing port 46 installed on the ceiling plate at the other end. Similarly, the joints 32 can be easily connected, or the flange joints 32 of the flexible duct 22 can be joined to each other and extended while being locked by clips or the like, or limited to the respective air outlets installed on the ceiling plate. Alternatively, the flange joint 32 at the end of the flexible duct 22 may be connected to a connection portion of other various air conditioners or the like.

The hollow box 20 has the upper surface plate 18 as the opening / closing portion 15 pivotally attached to the upper end of the peripheral side plate 14c with the hinge 16 so as to be openable and closable, but is not limited to this. It may be pivotally attached to the peripheral side plates 14a, 14b, 14d so as to be freely opened and closed. The shape of the hollow box 20 is not limited to a rectangular parallelepiped, but may be another hollow polygonal column or a hollow column.

The flexible duct 22 may be made of special vinyl chloride or another known one, but it is preferable to select a flexible duct which is as flexible and stretchable as possible. In particular, if a flexible duct formed by stretching aluminum foil around the shape-retaining ring is used, it can be extended to a length of about 10 times from its contraction, so that it can be used as it is at any construction site. Such a highly versatile air conditioning chamber can be provided. Further, glass wool as a sound deadening material may be stretched inside the hollow box, or the outer periphery of the above-mentioned flexible duct or box may be subjected to flocking to prevent dew condensation.

The connecting portion 28 of the peripheral side plate 14 for connecting the flange joint 32 at one end of the flexible duct 22 is connected.
Is not limited to the U-shaped groove receiving and locking plate 36 shown in FIG. 5, but for example, as shown in FIG. 6, a plurality of pressing claws 50 are pivotally attached to the outer edge of the hole 34 of the peripheral side plate 14. To lock the flange joint 32 with the holding claw 50, or as shown in FIG.
A plurality of locking pins 52 protrude from an outer surface edge of the hole 34 of the peripheral side plate 14, and a flange joint 32 of the flexible duct 22 is provided.
A locking long groove 54 which is fitted to the locking pin 52 and is engaged by rotation can be provided to lock each other.

As shown in FIG. 8 and FIG.
A plurality of fitting grooves 56 are provided on the inner peripheral edge of the hole 34 of No. 4, and a leaf spring fitted in the fitting groove 56 on the contact surface of the flange joint 32 of the flexible duct 22 and further engaged with the inner surface of the peripheral side plate 14. 58, and the leaf spring 58 is inserted into the fitting groove 56.
Alternatively, a mechanism may be used in which the flange joint 32 is engaged with the inner surface of the peripheral side plate 14 by the plate spring 58 while rotating the flange joint 32 after the fitting. Further, the mechanism of each connecting portion 28 may be used as a mechanism for connecting and locking the flange joint 32 at the other end of the flexible duct 22 to the connecting portion 48 of the air outlet 46, whereby the construction efficiency of the air conditioning chamber 10 is improved. Can be improved.

The air conditioning chamber unit according to the present invention may, of course, be modified in any manner without departing from the essence of the invention described in the appended claims.

[0026]

According to the present invention, the following effects can be obtained.

(1) By opening and closing the air chamber and storing the flexible duct in a contracted state in the air chamber, the internal space of the air chamber, which was previously wasted space during transportation, can be stored. Effective use as a storage space for an inconvenient cylindrical flexible duct can be achieved, and the air chamber and the flexible duct can be handled as a set, so that the correspondence between the air chamber and the flexible duct used for this can be ensured.

(2) By making at least one of the face plates of the rectangular parallelepiped air chamber openable and closable, it is easy to put the flexible duct in and out, and furthermore, by closing this openable and closable face plate in a sealing manner with a packing material. The hermeticity of the chamber can be ensured.

[Brief description of the drawings]

FIG. 1 is a perspective view of an air chamber for an air conditioner according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which a flexible duct is housed in the air chamber of FIG. 1 and a top plate is opened.

FIG. 3 is a plan view in which a flexible duct is communicated with an air conditioner and an air outlet through a duct storage type open / close air conditioning chamber.

FIG. 4 is an enlarged perspective view of a flexible duct.

FIG. 5 is an enlarged perspective view showing a connection portion of a peripheral side plate of the hollow box and one end of a flexible duct.

FIG. 6 is an enlarged perspective view showing a connection part of a peripheral side plate and one end of a flexible duct in another embodiment using a holding claw.

FIG. 7 is an enlarged perspective view showing a connection portion of a peripheral side plate and an end of a flexible duct of another embodiment using a locking pin.

FIG. 8 is an enlarged perspective view showing a connection part of a peripheral side plate and one end of a flexible duct in another embodiment using a fitting groove and a plate spring.

9 is an enlarged cross-sectional view of a connection state of a peripheral side plate and a flexible duct in a connection portion of FIG. 8;

[Explanation of symbols]

 Reference Signs List 10 air chamber 12 bottom plate 14, 14a, 14b, 14c, 14d peripheral plate 18 top plate 20 hollow box body (chamber main body) 22 flexible duct 24 hole (air conditioner connection port) 26 duct joint 28 connection portion 34 hole (flexible duct connection) Mouth) 38 Packing material 42 Suspension bracket 46 Air outlet

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shigeaki Okabe 4-1-1, Honcho, Chuo-ku, Osaka City Inside Takenaka Corporation, Osaka Main Store (72) Inventor Toshio Kuno 1034 Wada, Sasaguri-cho, Kasuya-gun, Fukuoka Prefecture 4. Inside Kyoritsu Airtech Co., Ltd. (72) Inventor Yukio Kuno Fukuoka Prefecture Kasuya-gun, Sasaguri-machi Oaza, 1034-4 Kyoda Airtech Co., Ltd. Inside Airtech Co., Ltd. (72) Inventor Tori Akira 1034-4, Wada, Sasaguri-cho, Kasuya-gun, Fukuoka Prefecture Inside Kyoritsu Airtech Co., Ltd. (72) Yukinori Hanada 1034-4, Wada, Sasaguri-cho, Kasuya-gun, Fukuoka Inside Airtech Co., Ltd. (72) Inventor Masatoshi Beppu 1034 Wada, Sasaguri-machi, Kasuya-gun, Fukuoka Prefecture Inside Kyoritsu Airtech Co., Ltd. (56) References JP-A 63-69498 (JP, U) JP-A 1-123148 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) F24F 13/02

Claims (3)

(57) [Claims] An air chamber unit for an air conditioner, comprising: an air chamber connected to an air conditioner; and an extendable flexible duct having one end connected to the air chamber and the other end connected to an air outlet. An air chamber unit for an air conditioner, wherein the air chamber is opened and closed, and the flexible duct is housed in the air chamber in a contracted state. 2. The air chamber unit for an air conditioner according to claim 1, wherein the air chamber has a rectangular parallelepiped shape, and at least one of rectangular face plates constituting the air chamber can be opened and closed. 3. The air chamber unit for an air conditioner according to claim 2, wherein a packing material is provided to close and close the openable and closable face plate.