JPH0131883Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) This invention relates to an elongated air outlet or inlet formed in a ceiling surface, particularly in the form of a long and narrow line.

(Prior Art) Conventionally, such particularly elongated linear air outlets or suction ports are formed by connecting a plurality of downwardly opening ducts and suspending them in the ceiling using hanging bolts. , this construction was carried out within a narrow ceiling and required repeated and tedious processing.
In order to eliminate such disadvantages in on-site work, we bring pre-fabricated parts to the site and simply assemble them on-site, making it easy to install a long, thin line-shaped outlet or suction in the ceiling. As a connection unit that can be formed on a surface, can be fixed in the ceiling with a single hanging bolt, and can easily adjust the amount of ventilation.
The present applicant previously proposed the method described in Japanese Utility Model Application Publication No. 56-31237.

(Problem to be solved by the invention) However, in the above invention, a housing having an elongated air outlet or suction port formed on the lower surface is connected to the circular body connected to the duct via a communicating case to form a line-shaped air outlet. Or it forms a suction port,
This also had the disadvantage of consuming time and labor because the number of parts required complicated assembly work on site.

(Means for solving the problem) In view of the above, the present invention omit the use of the communication casing in the above proposal, and opens a long and narrow air outlet or suction port on the lower surface of the circular body connected to the duct in the ceiling. By directly connecting the chambers, the structure is simplified and the construction work is facilitated, and the imbalance in the ventilation distribution due to the omission of the use of the communication casing in the above proposal is prevented, thereby increasing ventilation in the length direction of the outlet or inlet. The distribution is balanced, and the cylindrical body has a connecting tube for the duct protruding from one side, the upper surface is closed with a top plate, and the lower end is open.The adjustment has a window hole that overlaps and communicates with the inner end opening of the connecting tube. A cylinder is rotatably inscribed in the cylindrical body, and a long outlet (intake) chamber is connected to the lower end of the cylindrical body in a direction perpendicular to the axis of the cylindrical body through an opening in the upper surface of the middle part. At least the lower half of the chamber is formed into an arcuate shape, and the lower edge is narrowed along the length of the chamber to form a blowout (suction) port, and a track is formed along the length inside the blowout chamber. An air distribution plate is provided so as to be movable along the air distribution plate.

(Function) The present invention connects an air outlet (intake) chamber to the lower surface of the circular body connected to the ventilation duct in the ceiling through an opening in the middle upper part, and connects an air outlet (intake) opening along the lower edge of the chamber. It is used with an opening on the ceiling surface, and by rotating the adjustment tube inside the cylindrical body and adjusting the amount of communication opening with the duct, the amount of ventilation is adjusted and conditioned air is blown into the room from the outlet (suction). This chamber sucks indoor air, and the lower half of the chamber has an arc shape and the lower half is narrowed, so when the conditioned air is blown out through the cylindrical body, the blown air does not go straight downward. The air is diffused in the length direction of the chamber due to the resistance caused by the narrowed shape, and by moving the exhaust plate along the track and adjusting its position, it is possible to spread the air in the length direction of the long line-shaped outlet. It blows out the air uniformly, and the air blowing out downward or the air flow directly sucked into the opening on the bottom of the cylinder is averaged in the length direction of the linear opening, thereby making the heat distribution in the room uniform. did.

(Example) Embodiments of the present invention will be described with reference to the drawings.

In the drawing, 1 is a connecting tube 2 with duct a on one side.
It is a cylindrical body whose upper surface is closed with a top plate 3 and whose lower surface is opened and closed.
A cylindrical adjustment tube 4 having a window hole 5 that overlaps and communicates with the
is provided rotatably inscribed therein, and the amount of ventilation can be adjusted by rotating the adjusting tube 4 with an operating piece 4a to adjust the degree of overlapping communication between the opening 2a and the window hole 5 overlapping with the opening 2a. The cylindrical body 1 is suspended at a fixed position within the ceiling by one hanging bolt 10 hanging from the ceiling slab at the center of the top plate 3.

In the present invention, a horizontally elongated air outlet chamber 6 is attached to the lower end of the circular body 1, thereby forming an elongated air inlet or air outlet 7 on the ceiling surface.

The outlet (intake) chamber (hereinafter referred to simply as the outlet chamber) has an opening 6a connected to the lower end opening 2b of the cylindrical body 1 on the upper surface of the intermediate portion, and is formed to be elongated in the direction perpendicular to the axis of the cylindrical body 1, that is, in the horizontal direction. Although its cross section is circular in the illustrated example, at least its lower half 6b is configured to have an arcuate cross section, and the lower part is narrowed along the length direction over the entire length to form a line-shaped opening on the lower surface. Inlet or outlet 7
was formed.

Inside the outlet chamber 6, tracks 8, 8 formed by sliding grooves are provided on both sides in the length direction, and one or more air distribution plates 9 are provided so as to be movable along these tracks. As shown in FIG. 4, the plate 9 is formed in the shape of a downwardly curved gutter and has projecting pieces 9a supported on the track 8 on both sides thereof.

The outlet chamber 6 can be connected to the cylindrical body 1 by fitting the cylindrical wall 1a protruding from the lower end of the cylindrical body 1 and the cylindrical wall forming the opening 6a of the chamber 6 with locking screws, or by using both projecting walls. By inserting and rotating a protruding piece provided on one side into a hole formed on the other side, the parts can be assembled and disassembled at any time.

Further, an operation port 11 with an opening/closing lid is provided on one side of the blow-off chamber 6, so that the rotation of the adjustment tube 4 and the movement of the air distribution plate 9 can be adjusted.

The air outlet chamber 6 is connected to the cylindrical body 1 connected to the duct a in this way to form a horizontally long suction or air outlet 7.
As shown by the phantom lines in the figure, a plurality of sets of units can be connected in a line with the chamber 6 to form a long linear suction or outlet 7 of a desired length. Of course, both ends of the chamber 6 located in the middle of the long line are open to communicate with the next chamber, and the outer ends of the chamber 6 located at both ends of the long line are closed to prevent air leakage.

In this way, one unit or a plurality of units are connected to form a long inlet or outlet 7 on the ceiling surface, and the unit is stably supported and held in a fixed position by a hanging bolt 10 at the center of the cylindrical body 1. Adjustment tube 4
By adjusting the amount of ventilation by rotating the chamber 6, the ventilation from the duct a is connected to the long outlet 7 on the lower edge of the chamber 6.
This device blows out indoor air or draws indoor air into the room, and the air distribution plate 9 is moved and adjusted along the track 8 to equalize the ventilation distribution in the length direction of the inlet or outlet 6.

(Effects of the invention) According to the invention, since the air outlet (suction) chamber 6 is directly connected to the circular body 1, it is possible to form an elongated line-shaped air inlet or air outlet 7 on the ceiling surface very simply. In addition to reducing labor and time and making construction easier, the lower half 6b of the chamber 6 is formed with an arcuate cross section, so that the air blown directly into the chamber 6 from the circular body 1 does not go straight downward. The narrow shape of the lower half of the chamber suppresses and guides airflow,
Therefore, by expanding the air flow in the length direction within the chamber 6 and adjusting the movement of the air distribution plate 9 position, it is possible to uniformly rectify the amount of air flow across the linear openings in the length direction. .

[Brief explanation of the drawing]

FIG. 1 is a perspective view showing an embodiment of the connecting unit of the present invention, FIG. 2 is a cutaway side view thereof, FIG. 3 is a cutaway front view thereof, and FIG. 4 is a perspective view of an air distribution plate. a...Duct, 1...Cylindrical body, 2...Connection tube,
2a... Inner end opening of the connection tube, 4... Adjustment tube, 5...
...Window hole of adjustment tube, 6...Blowout or suction port chamber, 6a...Middle upper opening, 7...Suction or blowout port, 8...Race, 9...Air distribution plate.

Claims (1)

[Scope of utility model registration request] An adjustment tube having a window hole that overlaps and communicates with the inner end opening of the connection tube is rotatably inscribed in the cylindrical body, which has a connecting tube for the duct protruding from one side, the upper surface is closed with a top plate, and the lower end is open. A long air outlet (air intake) is provided at the lower end of the circular body in a direction perpendicular to the axis of the circular body.
The chambers are connected by an opening in the upper surface of the middle part, and the blowout chamber has a cross section formed in an arc shape at least in the lower half, and a blowout (suction) opening is formed by narrowing the lower edge along its length. An in-ceiling suspended type air outlet or inlet connection unit comprising an air distribution plate movable along a track formed along the length of the air outlet chamber (intake).