JP3605624B2 - Air outlet unit - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to an air outlet unit of an air conditioner or a ventilation device, for example, and more particularly to an air outlet unit installed on a ceiling.
[0002]
[Prior art]
As shown in FIG. 13, the air outlet unit of the air conditioner or the like includes a duct connection port 22 connected to the machine main body by an air duct, and a lower opening 23 for discharging air entered from the duct connection port 22. And a blowout grill fixed to the lower opening 23 of the chamber 24 and blowing the air in the chamber 24 into the room.
[0003]
For example, the air outlet unit is often installed in a plurality of branches, for example, from one air conditioner main body. Therefore, the air outlet unit is connected to the duct connection port 22 in order to regulate the amount of air entering the chamber 24. An air volume adjusting damper 26 is provided.
[0004]
That is, in the air conditioner, after the plurality of indoor units are mounted, it is necessary to adjust the air volume of each chamber with a damper. In this case, the blowout grill 25 once mounted to the chamber with the screw 27 or the like is used. It is necessary to remove this as shown in the figure and adjust the air flow, and then attach the blowout grill 25 again. Furthermore, when balancing the air volume of a plurality of chambers, the attachment and detachment of the blow-out grill 25 must be repeated several times, and there is a problem that workability is poor.
[0005]
Also, when the outlet grill is attached, if there is a gap between the ceiling plate and the outlet grill vertically, or if there is a gap between the chamber and the outlet grill, remove the outlet grill and remove the chamber as above. It was necessary to adjust the height of the chamber by turning the nuts of the suspended bolts, which again caused a problem in workability.
[0006]
[Problems to be solved by the invention]
The present invention addresses the above situation and finds a new structure in a part of the blowout grill, so that the damper can be adjusted and the height of the chamber can be adjusted without removing the grille main body even after the blowout grill is installed. It is intended to make
[0007]
[Means for Solving the Problems]
That is, the air outlet unit of the present invention that meets the above object is firstly suspended from the ceiling with a duct connection port connected to the ventilation duct and a lower opening for discharging air from the duct connection port. and outlet chamber, fixed to the lower opening of the chamber, it and a rectangular outlet grille for blowing air in the chamber interior, detachable part of the crosspiece of the upper Symbol rectangular outlet grille from the grill body ungated, the air outlet unit which made possibly inserted manually into the chamber by removing the crosspiece, the crosspiece as long plate of the outlet grille central, a triangular prism-shaped louver in the桟上portion And a fitting elastic claw is provided at one end of the wind direction plate so that the elastic claw can be elastically fitted into a claw receiving recess formed in the grill main body, while the other end of the crosspiece is provided. Forming a channel-like recess and composed as may fitted projections and inverted T-shaped fitting having an ear-like portion formed on the grill body, characterized in that without a detachable crosspiece from the grill body.
[0008]
In the air outlet unit of the present invention, it is also possible to provide a flap-shaped air volume control damper at the duct connection port of the chamber, and to form a cutout into which a finger can be inserted.
[0009]
On the other hand, when the height of the chamber is easily adjusted, in the air outlet unit of the present invention, only one suspension bolt that suspends the chamber penetrates the center of the upper wall of the chamber. It is preferable that the penetrated bolt is fastened by a nut inside the chamber, and the height of the chamber is adjusted by adjusting the tightening of the nut.
[0010]
Further, in the mounting structure of the chamber, a bolt through hole in the upper wall of the chamber is formed to have a size that allows the nut to be inserted, and a heat insulating material is overlapped on the upper surface, and a slit for inserting the bolt shaft portion from one end is provided. The provided mounting plate may be interposed between the nut inserted through the bolt through hole and the upper wall of the chamber in a washer shape.
[0011]
[Action]
In the air outlet unit of the present invention, since the hand can be inserted into the chamber and the damper can be adjusted by removing a part of the bar of the outlet grill, it is necessary to remove the outlet grill one by one when adjusting the air volume of the chamber. And the workability when the air outlet unit is attached can be greatly improved.
Further, in this case, by forming a cutout portion in the damper, it is possible to easily insert a finger and further easily adjust the damper.
[0012]
On the other hand, when the height adjustment of the chamber is facilitated, the hanging bolt of the chamber is provided so that the nut comes in the chamber as described above, the bar is removed, and the nut is turned, so that the blowing grill is mounted. It is possible to adjust the height of the chamber with.
[0013]
Furthermore, the bolt through hole of the chamber can be inserted with the hanging bolt together with the nut, and the mounting plate can be slid and inserted between the nut and the bolt through hole to easily fix the chamber to the hanging bolt. It is also possible to
[0014]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.
[0015]
1 is an exploded perspective view showing an air outlet unit of the embodiment of the present invention, FIG. 2 is an exploded perspective view showing an outlet grill of the air outlet unit, FIG. 3 is a perspective view of the outlet grill, and FIG. It is a perspective view which shows the center crosspiece of a grill.
[0016]
As shown in FIG. 1, the air outlet unit of the above embodiment includes a box-shaped outlet chamber 1 suspended from a concrete wall or the like above a ceiling plate (not shown), and a lower opening 3 of the chamber 1. And a blowing grill 2 for blowing air in the chamber 1 into the room.
[0017]
The chamber 1 has a duct connection port 4 connected to, for example, an air conditioner main body (not shown), and air from the duct connection port 4 is discharged from the lower opening 3. Further, two semicircular flap-shaped dampers 5 are formed in the duct connection port 4 of the chamber 1 so as to be freely opened and closed. Notches 6 (including through holes) are formed in these dampers 5 so that a finger can be hooked or inserted as shown in the drawing.
[0018]
In this embodiment of the present invention, the long plate-like bar 7 at the center of the blowout grill 2 is made detachable from the grill main body 2, and as shown in FIG. A space 8 that can be inserted into the inside is formed.
[0019]
As shown in FIG. 4, the crosspiece 7 has a triangular prism-shaped wind direction plate 9 at an upper portion, and an elastic claw portion 10 for fitting at one end of the wind direction plate 9. As shown in FIGS. 5 and 6, the bar 7 is attached to the grill body 2 by inserting a channel-shaped recess 11 formed at the other end of the bar 7 into an inverted T-shaped bracket formed in the grill body 2. As shown in the figure, the elastic claw 10 is pushed into the claw receiving portion 13 of the grill main body 2 by elastically fitting the elastic claw 10 into the claw receiving recess 13. By doing. As shown in the figure, the claw receiving recess 13, the inverted T-shaped fitting 28, and the projection 12 are also formed on the opposite side of the grill main body 2, so that the bar 7 can be mounted in the opposite direction. .
[0020]
FIG. 11A shows the fitting of the inverted T-shaped fitting 28 and the recess 11 of the bar 7, and FIG. 11B shows the fitting of the projection 12 and the recess 11 of the bar 7. (A) is a cross-section showing the relationship between the bar 7 on the side of the elastic claw 10 and the inverted T-shaped fitting 28, and FIG. FIG.
[0021]
As shown in FIGS. 11 (A) and 11 (B), on the concave portion 11 side of the crosspiece 7, the inverted T-shaped fitting 28 and the projection 12 are fitted into the channel-shaped concave portion 11 as shown in FIG. On the side of the elastic claws 10 of the bar 7, since the bar 7 does not have the concave portion 11 as shown in FIGS. 12A and 12B, the bar 7 is fitted with the inverted T-shaped fitting 28 and the projection 12. Instead, as shown in FIGS. 5 and 6, the crosspiece 7 is fixed by the elastic fitting of the elastic claw portion 10. The inverted T-shaped fitting 28 and the projection 12 shown in FIGS. 12 (A) and 12 (B) are adapted to fit into the recess 11 of the bar 7 when the bar 7 is mounted in the opposite direction as described above. .
[0022]
On the other hand, as shown in FIGS. 1 and 7, the chamber 1 has one suspension bolt 15 penetrating through the center of the chamber upper wall 14 and is screwed to the suspension bolt 15 via a washer 17 in the chamber 1. The wing nut 16 is suspended from the wing nut 16, and the height of the wing nut 16 is adjusted by adjusting the wing nut 16. The rotation of the wing nut 16 can also be performed by removing the bar 7 at the center of the blowout grill 2.
[0023]
Further, as shown in FIG. 8, a bolt through hole 18 'at the center of the chamber upper wall 14 is formed to have a size through which a hexagon nut or a wing nut 16 can be inserted, and as shown in FIG. And a mounting plate 21 having a slit 20 through which the shaft of the bolt 15 is inserted from one end is provided between the nut 16 and the chamber upper wall 14 through the bolt through hole 18 'as shown in FIG. It is also possible to interpose in the shape of a washer.
The heat insulating material 19 has flexibility and elasticity, and the slit 20 ′ acts so as to close the slit 20 of the mounting plate 21 to suppress air leakage.
[0024]
In the air outlet unit according to the embodiment of the present invention, as shown in FIG. 1, by removing the center bar 7 of the outlet grill 2, the hand can be inserted into the chamber 1 and the damper 5 can be adjusted. Therefore, it is not necessary to remove the blow-out grill 2 one by one when adjusting the air volume of the chamber 1, and it is possible to greatly improve the workability when the air blow-out unit is attached. In this case, the notch 6 is formed in the dam bar 5. Thereby, it is also possible to make it easier to insert a finger and to further easily adjust the damper. When the height of the chamber 1 is adjusted, as shown in FIG. 7, a suspension bolt 15 of the chamber 1 is provided so that a nut 16 comes inside the chamber 1, the bar 7 is removed, and the nut 16 is turned. Accordingly, it is possible to easily adjust the height of the chamber 1 with the blowout grill 2 inserted.
[0025]
As shown in FIGS. 8 to 10, the bolt through hole 18 of the chamber 1 is made so that the suspension bolt 15 can be inserted together with the nut 16, and the mounting plate is provided between the pre-attached nut 16 and the bolt through hole 18. By slidably inserting 21, it is possible to improve the conventional operation of attaching a nut while holding the chamber.
[0026]
As described above, the embodiment of the present invention has been described. However, the ridges 29 forming the channel-shaped concave portions 11 of the crosspiece 7 are cut off at predetermined positions immediately before the elastic claws 10 as shown in FIG. The elastic claw 10 can be positioned by bringing the ear 10a of the elastic claw 10 into contact with the notch-side end 29a of the protruding ridge 29 and fixing the same. Then, the end of the wind direction plate 9 is brought into contact with the ear portion 10a of the elastic claw portion 10 as shown in the figure, whereby the position of the wind direction plate 9 (centering) can be performed.
[0027]
【The invention's effect】
As described above, the air outlet unit of the present invention has a configuration in which a part of the outlet grill is shaped like a long plate in the center of a rectangular outlet and a wind direction plate is provided on the upper part of the outlet, and an elastic claw portion at one end thereof is provided. No and the channel-like recess of the other end of the elastic Hamada' and bars the pawl receiving recess of the grill body, inverted T-shaped fitting of the grille body, enabling detachable from grill body by fitting insertion and removal of the projection, this are those that brought possibly inserted manually into the chamber by removing the crosspiece, that part of the outlet grille to remove as disconnect fitting described above, can adjust the damper by inserting a hand into the chamber from one in which a marked effect of the removal of one by one outlet grille when the air volume adjusting chamber, also greatly improve the workability at the time of blowout unit mounted in need is not attach.
Moreover, since the crosspiece is securely fitted and held at both ends in the rectangular blowout grill, it can be stably held at the time of attachment.
Further, by forming a cutout portion in the damper, it is possible to easily insert a finger and to further facilitate the adjustment of the damper.
On the other hand, when adjusting the height of the chamber, a hanging bolt for the chamber is provided so that the nut comes in the chamber, the bar is removed, and the nut is turned. Can be easily adjusted.
[0028]
Further, the bolt through hole of the chamber can be inserted so that the suspension bolt can be inserted together with the nut, and the mounting plate can be slid between the nut and the bolt through hole to perform the nut tightening work while holding the chamber. It is possible to abolish and fix the chamber to the suspension bolts easily.
[Brief description of the drawings]
FIG. 1 is an exploded perspective view showing an air outlet unit according to an embodiment of the present invention.
FIG. 2 is an exploded perspective view showing an outlet grill of the unit.
FIG. 3 is a perspective view of the outlet grill.
FIG. 4 is a perspective view showing a center crosspiece of the outlet grill.
FIG. 5 is a cross-sectional view showing a state in which the crosspiece is attached to a blowout grill.
FIG. 6 is a sectional view showing a state after attachment.
FIG. 7 is a cross-sectional view showing an attached state of a chamber.
FIG. 8 is a cross-sectional view showing a state before mounting in another mounting method of the chamber.
FIG. 9 is a perspective view showing a mounting plate used in the mounting method.
FIG. 10 is a cross-sectional view showing a state after mounting according to the mounting method.
FIG. 11A is a cross-sectional view showing the fitting of the inverted T-shaped fitting and the recess of the crosspiece.
(B) It is sectional drawing which shows the fitting of the protrusion and the recessed part of a crosspiece.
12A is a cross-sectional view showing the relationship between the inverted T-shaped bracket and the elastic claw side of the crosspiece. FIG.
(B) It is sectional drawing which shows the relationship between a protrusion and the elastic nail | claw part side of a crosspiece.
FIG. 13 is an exploded perspective view showing an air outlet unit of a conventional air conditioner.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Chamber 2 Blow-off grill 3 Lower opening 4 Duct connection port 5 Damper 6 Notch 7 Bar 8 Air gap 9 Wind direction board 10 Elastic claw 10a Elastic claw ear 11 Channel-shaped recess 12 Protrusion 13 Claw receiving recess 14 Upper chamber wall 15 Hanging Bolt 16 Wing Nut 17 Washer 18 Bolt Through Hole 19 Heat Insulation Material 20 Slit 21 Mounting Plate 28 Inverted T-shaped Fitting 28a Ear-shaped Part 29 Convex Strip 29a Notch Side End of Convex Strip

Claims (4)

An outlet chamber that is suspended from the ceiling with a duct connection port that connects to the air duct and a lower opening that discharges air from the duct connection port, and is fixed to the lower opening of the chamber, and air inside the chamber is indoors. it and a rectangular outlet grille blown into, without the detachable part of the crosspiece of the rectangular outlet grille from the grill body, the sky Ki吹which made possibly inserted manually into the chamber by removing the bars In the outlet unit , the crosspiece is a long plate of the central portion of the blowout grill, a triangular prism-shaped wind direction plate is formed at the upper portion of the crosspiece, and a fitting elastic claw portion is provided at one end of the wind direction plate to form the elastic claw portion. An inverted T-shaped metal having a lug-shaped portion formed in the grill main body by forming a channel-shaped concave on the other end side of the bar while allowing the claw receiving concave portion formed in the grill main body to be elastically fitted. Air outlet unit, characterized in that the content composed as may fitted projections were without a detachable crosspiece from the grill body. 2. The air outlet unit according to claim 1, wherein a flap-shaped air volume adjusting damper is provided at a duct connection port of the chamber, and a cutout portion into which a finger can be inserted is formed in the damper. Only one suspension bolt for suspending the chamber penetrates the center of the upper wall of the chamber, and the penetrated bolt is fastened with a nut inside the chamber. 3. The air outlet unit according to claim 1, wherein the adjustment is performed. A bolt through hole in the upper wall of the chamber is formed in such a size that the nut can be inserted therethrough, a heat insulating material is superposed on the upper surface, and a mounting plate provided with a slit for inserting a bolt shaft portion from one end is inserted into the bolt through hole. 4. The air outlet unit according to claim 3, wherein a washer is interposed between the nut passing through the hole and the upper wall of the chamber.

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