JP2939596B2 - Line type outlet for system ceiling - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION I. Object of the Invention (1) Field of Industrial Use The present invention relates to a system ceiling in which lighting, smoke detectors, air-conditioning vents, etc. are collectively installed on the ceiling of a building. The present invention relates to a line-type air outlet for a system ceiling for forming a long groove-shaped air-conditioning air outlet.

(2) Prior Art In recent years, on the ceiling surface of a high-rise building, or a commercial or residential building, an illumination lamp, a smoke sensing device, an air-conditioning outlet, and the like have been concentrated and arranged in a straight line. The so-called system ceiling is frequently used from the viewpoint of interior beauty and construction. A line-type air outlet having a long rectangular air outlet as an air-conditioning air outlet may be installed on the side of the ceiling light, or a line-type air outlet may be installed separately from the light in a straight line. ing.

Conventionally, in this line-type outlet, as shown in FIG. 13, a single blade or a T-shaped blade installed near the lower end opening is set to rotate at a predetermined angle, and warm air in winter is directly The cold air in the summer was set to blow downward and in the horizontal direction parallel to the ceiling surface.

(3) Problems to be Solved by the Invention However, with the blades provided at the line-type outlet, it is easy to blow out downward or perpendicular to the ceiling surface or in a lateral direction parallel to the ceiling surface, but at an angle of 45 degrees. In the downward blowing,
It is difficult to cause the airflow to become turbulent and blow out intensively in a diagonal direction of 45 degrees. Therefore, there has been a problem that it is difficult to finely adjust the blowing direction.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has as its object the purpose of providing the lower end air outlet in a long rectangular frame along a circumferential surface of a circle inscribed inside the frame. By arranging a pair of arc-shaped long plates and rotatably pivoting a wind direction adjuster provided with openings having different opening widths on upper and lower surfaces,
It is an object of the present invention to provide a system ceiling line-type outlet capable of obtaining a favorable blowing characteristic in a 45-degree oblique direction and accurately discharging air downward and horizontally to a ceiling surface.

II. Configuration of the Invention (1) Means for Solving the Problems In order to achieve the above object, the present invention is directed to a line-type outlet for a system ceiling for blowing conditioned air from an elongated rectangular outlet, An outlet frame 20 having an elongated rectangular outlet 18 opened on the lower surface, and a rotatably supported rotatable around the longitudinal direction of the outlet 18 in the outlet frame 20 and near the outlet 18 in the outlet frame 20. And a wind direction adjuster 22.The wind direction adjuster is disposed embedded in the outlet frame so as not to protrude downward from the outlet, and the wind direction adjuster 22 has a cross section of the outlet frame 20.
Along the circumferential surface of a circle which is substantially inscribed inside, is provided at a position substantially opposite to the circumferential surface and substantially symmetrically so as to form two openings 34a and 34b, and is formed into a substantially cylindrical shape. A pair of arc-shaped long plates 36, 36, which are permanently assembled, the pair of arc-shaped long plates
The opening width length of one opening 34a formed by 36, 36 and the opening width length of the other opening 34b are formed so as to be different from each other. And a line-type outlet 16 for the system ceiling having a continuous arc-shaped inner wall which is not formed.

Further, the pair of arc-shaped long plates 36, 36 are connected to the outlet frame 20.
Both ends are engaged with locking grooves 44, 44, which are formed on the circumferential surfaces of a pair of coma shafts 38, 38 rotatably supported therein, and the arc-shaped long plates 36, 36 and the coma shaft 38 are engaged. , 38 may be provided with an uneven surface 48 for a clue on the outer peripheral surface.

(2) Operation The system ceiling line type air outlet of the present invention is provided with a lower end of an air outlet frame having an elongated rectangular air outlet on the lower surface at an opening linearly provided at a predetermined position on a ceiling plate of the system ceiling. The fitting port is fixed and the connection port of each outlet frame and the main duct arranged behind the ceiling are communicated with the flexible duct. In each of the line-type outlets linearly arranged on the system ceiling in this manner, the wide-width side opening of the wind direction adjuster at the lower position in the outlet frame is inclined and disposed near the inner wall of the outlet frame. At the same time, by adjusting the end of the opening on the narrow width side to substantially coincide with the end of the outlet, high-precision air blowing is performed at an angle of 45 degrees obliquely downward.

When the opening narrower than the indoor side is set directly below, the cool air and warm air blown into the outlet frame are blown out directly below the narrow opening of the wind direction adjuster, and the wide opening When the portion is obliquely opposed to the lower end opening, it is blown out in parallel to the ceiling surface, and the blowing direction can be freely selected in a desired direction.

(3) Embodiment Hereinafter, a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 shows a system ceiling 14 in which an illuminating lamp 10 and a smoke detector 12 are centrally installed.

In the figure, a long rectangular outlet 18 for a system ceiling line type outlet 16 according to the present invention is arranged at a side position of the lighting lamp 10 and the smoke detector 12 connected in series.

As shown in FIGS. 2 to 5, the system ceiling line type air outlet 16 (hereinafter referred to as the line type air outlet) is a trapezoidal hollow air outlet having a long rectangular air outlet 18 opened on the lower surface. An outlet frame 20 and a wind direction adjuster 22 rotatably pivotally mounted at a lower position in the outlet frame 20 are provided.

As shown in FIGS. 4 and 5, the outlet frame 20 has trapezoidally opposed vertical frame plates 24, 24 and shields the upper surface from both ends of the vertical frame plates 24, 24. For this reason, a gap maintaining plate 26 having a narrow width is provided. A connection port 28 communicates with the center of the one vertical frame plate 24, and each of the vertical frame plates 24, 24 has, at its lower end, a receiving edge 30, 30, which is bent inwardly, and this receiving edge 30. , 30 and have packings 32, 32, such as felt, adhered to the inner surfaces of the vertical frame plates 24, 24. Also, vertical frame plate 2
A pair of left and right inverted L-shaped plates 33, 33 are attached to the lower positions of the outer surfaces of 4, 24 to support the ceiling rack.

As shown in FIGS. 6 and 7, the wind direction adjuster 22 has a cross section along a circumferential surface of a circle C substantially inscribed in the outlet frame 20, and is located at a position opposite to the circumferential surface. And a pair of arc-shaped long plates 36, 36 arranged substantially symmetrically so that a wide opening 34a and a narrow opening 34b are formed.
Both ends are engaged and held by a pair of frame shafts 38,38. Note that this arc-shaped long plate may be formed in close contact with the inner wall of the outlet frame as long as the inner wall of the outlet frame is kept airtight.

As shown in FIGS. 8 and 9, the top axis 38 is formed of a short columnar body 40, and concave portions 42, 42 are provided on the circumferential surface thereof symmetrically with respect to a vertical line. . The recesses 42, 42 are located approximately from the intersection of the lower end of the top shaft 38 and the vertical line in FIG.
It is recessed from 30 degrees to 120 degrees. Locking grooves 44, 44 are formed at both ends of the recesses 42, 42, so that both side ends of the arc-shaped long plate 36 are locked in the locking grooves 44, 44. 38 and an arc-shaped long plate 36 are connected.

The top axis 38 has a small axial hole in the axis of the cylindrical body 40.
An opening 46 is formed, and an uneven surface 48 is provided on the outer peripheral surface other than the concave portions 42 for clues.

6, 7, 10, and 11, the arc-shaped long plate 36 includes a thin plate 50 curved to one surface, the inner wall surface has an arc-shaped cross section, and the long end portions of the thin plate 50 are long. The protruding sides 52, 52 for engaging with the locking grooves 44, 44 of the concave portion 42 of the coma shaft 38 are provided on the outer surface thereof, and the outer surface thereof has an uneven surface 48 similar to the coma shaft 38.
Is engraved. The concave portion 42 of the pair of top shafts 38, 38,
The inner surfaces of both ends of the pair of arc-shaped long plates 36, 36 are brought into contact with 42, and the protruding sides 52, 52 of the arc-shaped long plates 36, 36 are locked in the locking grooves 44, 44, and the wind direction adjuster 22 is Assemble. The assembled wind direction adjuster 22 is mounted on a bearing frame 54 installed at the lower center of the outlet frame 20, a lower side surface 26a of the spacing plate 26, and screw shafts 56, 56 screwed to the top shafts 38, 38. The shaft hole 46 is slightly rigidly mounted on the shaft.

In the present embodiment, the center angle theta ₁ with respect to the center of the circle inscribed in the air outlet frame in the wide side of the opening 34a of the arc length plate 36 in a state where the set frame shaft 38 two pairs in Figure 7 about 106 are formed each time, the center angle theta ₂ of the narrow-side opening 34b is formed by setting the 34 degrees.

The line type outlet 16 is, for example, as shown in FIG. 5, the lower end of the outlet frame 20 is fitted into an opening 58 linearly provided at a predetermined position of a ceiling plate 14a of the system ceiling 14, Ceiling plate 14a, the lower surface of the end of the ceiling 14a, and the receiving edge 30 of the outlet frame 20,
The lower surface of 30 is received by T-shaped rack bars 60, 60, and the outlet frame 20 is inserted into the opening 58 while the inverted L-shaped plates 33, 33 are attached to and supported by the upper ends of the T-shaped rack bars 60, 60. The flexible duct 62 connects the connection port 28 of each outlet frame 20 with a main duct (not shown) arranged behind the ceiling. As described above, each line-type outlet 16 linearly arranged on the system ceiling 14 is provided with a wind direction adjuster 22 at a lower position in a vertical narrow-width outlet frame 20 by using the wind direction adjuster 22 shown in FIG.
The opening 34a on the wide side is inclined toward the inner wall of the outlet frame, and the end of the opening 34b on the narrow side is adjusted to substantially coincide with the end of the outlet 18. Thus, while being guided by the arc-shaped inner wall, the airflow smoothly and reliably performs high-precision air blowing obliquely downward at 45 degrees over a long distance from the air outlet 18. Further, the reach distance is long.

When the narrow opening 34b is set just below the indoor side as shown in FIG. 12 (a), the cool air and warm air blown into the outlet frame 20 are exposed to the wide opening of the wind direction adjuster 22. It is squeezed to the opening 36b narrower than 34a and is blown out right below while flowing therethrough, so that the reaching distance becomes longer. When the wide opening 34a is set right below, the blowing is diffused widely, and the reach of the cool air and the warm air is shortened. Therefore, when a person is performing office work or the like while being located directly below the ceiling-type line outlet in a room, an arbitrary opening is set downward in consideration of a desired blowing amount and a reaching distance. Can be used.

Further, when the wide opening 34a is obliquely opposed to the lower end opening as shown in FIG. 12 (c), the air flow is blown out in a state of being diffused parallel to the ceiling surface. Therefore, by simply adjusting the wind direction adjuster 22 to a predetermined angle,
The blowing direction can be freely selected in a desired direction, and in particular, it is possible to obtain a good blowing direction characteristic of 45 degrees downward, which was difficult to obtain with a conventional line-type outlet of this kind, with high precision. Is possible.

The gap between the inner wall of the outlet frame 20 and the wind direction adjuster 22 is kept secret by packings 32, 32 such as felt, and the air flows only through the openings 34a, 34b. Furthermore, an arc-shaped long plate
Since the outer surfaces of 36 and 36 are in contact with the packings 32 and 32 and are locked by the resistance, the blowing direction can be maintained without rotation even if ventilation resistance is applied to the pair of arc-shaped long plates 36 and 36. .

In addition, since the concave and convex surfaces are engraved on the outer surfaces of the arc-shaped long plates 36, 36 and the coma shafts 38, 38, the blowing direction can be adjusted by easily rotating the wind direction adjuster 22 manually from the indoor side.

III. Effects of the Invention As described above, the line type outlet for the system ceiling of the present invention is a line type outlet for the system ceiling that blows out conditioned air from the rectangular outlet, and the rectangular outlet on the lower surface. An outlet frame having an outlet opened, and a wind direction adjuster rotatably supported in the outlet frame near the outlet near the longitudinal direction of the outlet so as to be rotatable around the longitudinal direction of the outlet. The air conditioner is disposed in the air outlet frame so as not to protrude downward from the air outlet, and the wind direction adjuster has a cross section along a circumferential surface of a circle substantially inscribed in the air outlet frame. A pair of arc-shaped long plates which are provided at substantially symmetrical positions so as to form two openings at positions opposed to the circumferential surface and are integrally assembled in a substantially cylindrical shape; The opening width length of one opening formed by the arc-shaped long plate and the opening width length of the other opening are Is formed so that the arc-shaped long plate has a continuous arc-shaped inner wall that does not form any protrusions or voids on both ends of the cross-section, so that it has a very simple structure, and It is low-cost, and can be easily adjusted at the time of construction, and can blow out obliquely downward 45 degrees with high accuracy. At the same time, the narrow opening is adjusted right below and vertical downward blowing is performed, and the wide opening is rotated obliquely downward to easily obtain a blowing parallel to the ceiling surface, and , A pair of arc-shaped long plates and a cylindrical body are assembled together and only the integral blade is rotated around the axis, so it is hard to break down, maintenance is very easy, and fine adjustment of the blowing direction can be made easily. Become.

Further, the arc-shaped long plate is engaged with both ends in a locking groove formed in a circumferential surface of a pair of coma shafts rotatably supported in the outlet frame, thereby forming a wind direction adjuster. Since it is easy to manufacture itself and has an irregular surface on the outer peripheral surface of the arc-shaped long plate and the coma shaft, the angle of the opening is adjusted by adjusting the angle of the opening while rotating it easily manually from the indoor side, and the Can be adjusted.

[Brief description of the drawings]

FIG. 1 is an explanatory view of a system ceiling incorporating a system ceiling line-type outlet according to an embodiment of the present invention, which is seen through a room, FIG. 2 is a front view of the system ceiling line-type outlet, 3 is a bottom view, FIG. 4 is an enlarged front view with a part thereof cut out, FIG. 5 is an enlarged vertical sectional view thereof, and FIG. 6 is a part showing an internal wind direction adjuster. FIG. 7 is an enlarged front view of the top axis of the wind direction adjuster, FIG. 9 is an enlarged left side view thereof, FIG. The figure is a partially enlarged front view of the arc-shaped long plate of the wind direction adjuster, FIG. 11 is an enlarged left side view thereof, FIG. 12 is an explanatory view showing the blowing direction by the wind direction adjuster, FIG. It is explanatory drawing which showed the conventional line type outlet. 14 ... System ceiling, 16 ... Line ceiling outlet for system ceiling, 18 ... Outlet, 20 ... Outlet frame, 22 ... Wind direction adjuster, 34a, 34b ... Opening, 36a, 36b ... … Arc plate, 38
…… Top axis, 48 …… Uneven surface

Continuation of the front page (56) References JP-A-52-91546 (JP, A) JP-A-61-6140 (JP, U) JP-A-54-101062 (JP, U) (58) Fields investigated (Int) .Cl. ⁶ , DB name) F24F 13/00

Claims (2)

(57) [Claims] 1. A line-type outlet for a system ceiling for blowing conditioned air from an elongated rectangular outlet, the outlet frame having an elongated rectangular outlet opening on a lower surface, and the inside of the outlet frame. A wind direction adjuster rotatably supported around the longitudinal direction of the outlet at the vicinity of the outlet, wherein the wind direction adjuster is provided in the outlet frame so as not to protrude downward from the outlet. The wind direction adjuster is arranged in a buried manner, and has a cross section along a circumferential surface of a circle substantially inscribing the inside of the outlet frame, and two openings are formed at opposing positions of the circumferential surface. A pair of arc-shaped long plates provided at substantially symmetrical positions so as to be integrally assembled in a substantially cylindrical shape, and the opening width length of one opening formed by the pair of arc-shaped long plates and the other The opening widths of the openings are formed differently, and the arc-shaped long plate extends across both ends of the cross section. A line-type air outlet for a system ceiling having a continuous arc-shaped inner wall without any projections or voids. 2. A pair of arc-shaped long plates, both ends of which are engaged in a locking groove formed in a circumferential surface of a pair of coma shafts rotatably supported in the outlet frame. 2. The line-type outlet for a system ceiling according to claim 1, wherein said arc-shaped long plate and the coma shaft are provided on the outer peripheral surface thereof with an uneven surface for a clue.