JPH0731074Y2 - Air blower - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a blower for an air conditioner that uses a duct for a building or a building to perform air conditioning.

[0002]

2. Description of the Related Art A conventional blower for an air conditioner temporarily stores the air in a duct in a box-shaped box, sends the air from the box to a blow-out portion of a ceiling by another connecting duct, and blows the air into the room from the blow-out portion. Is. In this conventional blowing device, the air in the box is deflected at a right angle by the flat partition wall inside the box, and then is sent straight to the blowing portion, and the air is blown in the required direction by the cones and blades in the blowing portion. It was something to put out. However, it was not possible to sufficiently change the direction and directivity of the air only with the cone and the blade of the blowout portion. Therefore, air is not supplied to the necessary places in the room, resulting in insufficient air conditioning. There is also a problem that the pressure loss is large because the air is steeply changed in the duct.

[0003]

[Problems to be Solved by the Invention] The problem of the present invention is to solve these problems of the prior art and to provide a strong turning and directivity. Moreover, there is little pressure loss and directivity adjustment is possible. An object is to provide an air blowing device that is easy, has a simple structure, is easy to manufacture, and can be manufactured at low cost.

[0004]

Means for Solving the Problems The gist of the present invention which has solved the above problems is as follows: 1) Inside of a box, a blow-out portion for restricting the flow of blow-out air is connected to one surface of a box connected to a duct by blades or cones. An air outlet characterized in that a curved elastic flexible plate is arranged on the inner surface of the air duct to form a curved wall surface of an air passage connecting the duct connection port of the box and the air inlet port of the air outlet. Device 2) The air blowing device according to claim 1, wherein the locking position of the end portion of the flexible plate can be freely changed to change the air passage.

[0005]

In the present invention, the air in the duct flows into the box from the duct connection port, passes through the air passage formed by the flexible plate and the inner wall of the duct, and then flows into the blowout portion from the opening on one side of the box and blows out. The flow is diverted by the blades or cones of the section and discharged into the room. In the present invention, since the air passage in the box is guided downward by the curved flexible plate along its smooth curved surface, the air flow is smooth and the pressure loss can be reduced. Further, the blowing directivity at the air blowing portion can be freely adjusted by changing the lower end position of the flexible plate. In particular, if the locking position of the lower end of the flexible plate can be changed, it is possible to easily select a flexible plate having an appropriate directivity. It is possible to change the direction of airflow in the duct depending on the position of the flexible plate to make the directivity and the direction of change strong.

[0006]

Embodiments Embodiments will be described below with reference to the drawings. 1 is a plan view of the embodiment, FIG. 2 is a right side view of the same, FIG. 3 is a central vertical sectional view of the same, FIG. 4 is a vertical sectional view of a state in which the lower end of the flexible plate is located on the leftmost side, and FIG. FIG. 6 is a vertical cross-sectional view showing the lower end of the flexible plate located on the left side of the center, FIG. 6 is a vertical cross-sectional view showing the lower end of the flexible plate located in the center, and FIGS. FIG. 11 is a longitudinal sectional view of another embodiment, FIG. 10 is an explanatory view showing an airflow plane pattern of blown air in the state of FIG. 4, and FIG.
5 is an explanatory view showing the airflow plane pattern of the blown air in the state of FIG. 5, FIG. 12 is an explanatory view showing the airflow plane pattern of the blown air in the state of FIG. 6, and FIG. 13 shows the damper and the flexible plate. FIG. 1 is a vertical sectional view of another embodiment combined together.
4 is a perspective view showing a flexible plate with a damper of the same embodiment.

In the figure, 1 is a cubic box, 2 is a duct, 3 is a lower surface opening of the box 1, 4 is a flexible plate, 5 is a rectangular blowing portion, 6 is a deflecting blade of the blowing portion, 7 is a flexible plate 4
Locking plate at the lower end of the locking plate, 8 is a locking groove formed in the locking plate, and 9
Is an air inlet of the air outlet 5, 10 is a duct connecting port of the box 1, 11 is a damper, 12 is a duct, 13 is a ceiling surface,
Reference numeral 14 is a ceiling hanging metal fitting, 15 is an elastic damper joined at the upper edge of the flexible plate 4, 16 is an air volume adjusting locking plate for inserting and locking the joining end of the damper, and 17 is the locking plate. Locking groove,
Reference numeral 18 denotes a room in which the air blowing device of this embodiment is installed on the ceiling.

The embodiments shown in FIGS. 1 to 9, 13, and 14 are all examples in which a blowing portion having a rectangular blowing surface is connected to a cubic box. In the embodiment shown in FIGS. 1 to 9, the flexible plate 4 is a steel plate, the upper end is pressed against the upper right corner of the inner wall of the box 1, and the lower end is inserted into one of the locking grooves 8 of the locking plate 7 to be flexible. The plate 4 is held in a curved state. This fixing is performed by pressing with the elastic force of the flexible plate and is strong. The air in the duct 1 hits the flexible plate 4 and is guided downward along its smooth curved surface.

As shown in FIG. 4 or 7, when the lower end of the flexible plate 4 is at the leftmost position, the air blown out from the blowing portion 5 strongly flows to the left as shown in FIG. As shown in FIG. 5 or FIG. 8, if the lower end of the flexible plate 4 is located at a position slightly biased to the left near the center, the blown air becomes uniform in all four directions as shown in FIG. Further, as shown in FIG. 6 or 9, when the lower end of the flexible plate 4 is near the center, the blown air strongly flows rightward as shown in FIG.

In this way, the directionality of the blown air can be changed to left, uniform, and right by simply changing the lower end position of the flexible plate 4, and the direction of the blown air can be freely changed according to the arrangement position of the blowing device in the room. You can select the sex and make it easy to use. The position of the lower end of the flexible plate 4 can be easily changed by selecting the locking groove 8 of the locking plate 7 shown in FIG. 3 and inserting the flexible plate 4 again.

In another embodiment shown in FIGS. 13 and 14, a flexible plate-like damper 15 having the same elasticity is joined to the flexible plate 4 at its tip, and the joint end is inside the duct connection port 10. Are inserted into the locking grooves 17 of a plurality of locking plates 16 mounted vertically on the. This is an example in which the amount of inflow air from the duct 2 can be controlled by changing the upper and lower positions of the joint ends. In this example, the damper 11 of the embodiment shown in FIGS. 1 to 9 is not necessary, and it is not necessary to separately attach the damper with a simple structure. The other structures and effects are the same as those of the embodiment shown in FIGS.

[0012]

As described above, according to the present invention, the air is guided downward by the smooth curved surface of the flexible plate, and the pressure loss of air can be reduced because no blind plate or blade is used in the passage. Uneven flow is also suppressed. Further, the blowing direction of the blown air can be changed only by changing the lower end position of the flexible plate, and the directivity can be easily changed. Moreover, it has a simple structure and can be manufactured at low cost.

[Brief description of drawings]

FIG. 1 is a plan view showing an embodiment of the present invention.

FIG. 2 is a right side view of the embodiment.

FIG. 3 is a central vertical sectional view of the embodiment.

FIG. 4 is a vertical cross-sectional view showing a state where the lower end of the flexible plate is located on the leftmost side.

FIG. 5 is a vertical cross-sectional view showing a state in which the lower end of the flexible plate is located on the left side near the center.

FIG. 6 is a vertical cross-sectional view showing a state where the lower end of the flexible plate is located at the center.

FIG. 7 is a vertical cross-sectional view showing a state where the lower end of the flexible plate of another embodiment is located on the leftmost side.

FIG. 8 is a vertical cross-sectional view showing a state in which the lower end of the flexible plate of another embodiment is located on the left side near the center.

FIG. 9 is a vertical cross-sectional view showing a state where the lower end of a flexible plate of another embodiment is located at the center.

FIG. 10 is an explanatory diagram showing an airflow plane pattern of blown air in the state of FIG. 4;

FIG. 11 is an explanatory diagram showing an airflow plane pattern of blown air in the state of FIG. 5;

FIG. 12 is an explanatory diagram showing an airflow plane pattern of blown air in the state of FIG. 6;

FIG. 13 is a vertical sectional view of another embodiment in which a damper and a flexible plate are integrally combined.

FIG. 14 is a perspective view showing a flexible plate with a damper of the same embodiment.

[Explanation of symbols]

 1 Box 2 Duct 3 Lower Surface Opening 4 Flexible Plate 5 Blow-out Part 6 Deflection Blade 7 Locking Plate 8 Locking Groove 9 Air Inlet 10 Duct Connection 11 Damper 12 Ceiling Suspension 13 Ceiling 14 Ceiling Bracket 15 Damper 16 Locking plate 17 Locking groove 18 Chamber

Claims (2)

[Scope of utility model registration request] 1. A box, which is connected to a duct, is connected with a blow-out portion for restricting the flow of blow-out air by a blade or a cone, and a curved elastic flexible plate is arranged inside the box.
An air blowing device characterized by forming a curved wall surface of an air passage connecting the duct connecting port of the box and the air introducing port of the blowing portion with the same flexible plate. 2. The air blowing device according to claim 1, wherein the air passage can be changed by freely changing the locking position of the end portion of the flexible plate.