JPH0733923B2 - Flow deflector - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a flow deflector provided at a blowout port of an air conditioner or the like for deflecting a flow from a blower source in an arbitrary direction to blow it out. .

2. Description of the Related Art As a prior art of the present invention, there is JP-A-60-30808. This configuration / operation is shown below. This is shown in Figs. 6 and 7.
As shown in the figure, 1 is a flow path that guides the flow sent from a blower or the like, 1a is a tubular body that forms the flow path, 1b is the axis of the flow path, and 2 is the entire circumference with respect to the axis 1b of the flow path. Circular nozzles 4 having a restriction 3 are guide walls formed so as to surround the nozzles 2 on the downstream side of the nozzles 2, and are gradually expanded with the outlet of the nozzles 2 as a starting point. An aperture 3 is provided upstream of the nozzle 2.
A bias shield 5 is provided for blocking the bias flow generated by. (A perspective view is shown in FIG. 7).
This rotates about the rotating shaft 6, is located outside the nozzle near the outlet of the nozzle 2, and has an arcuate cross section.

The operation of the above configuration will be described with reference to FIGS. 6 to 9. First, as shown in FIG. 6, the bias shield 5 and the nozzle 3
The case where and are almost in contact will be described. In this case, a part of the flow F _I entering the flow path becomes the bias flow F _B due to the throttle 3. Here, the bias flow F _B is generated on the left side of the figure, but the bias flow is not generated on the right side due to the effect of the bias shield 5. (It is blocked by the bias shield.) Therefore, the mainstream F _A
Is attached to the right guide wall as a result of being directed in the direction of the right guide wall by the bias flow FB from the left side, and is deflected to the right by a wide deflection angle θ. The deflection angle θ at this time can be arbitrarily set depending on the shape of the guide wall 4. FIG. 7 shows the case where the bias shield 5 is rotated leftward and the flow F _A
Deflects leftward to a wide angle.

Next, a case where the rotating shaft 6 is rotated to move the bias shield 5 to the position shown in FIG. 8 will be described. In this case, a gap D is created between the bias shield 5 and the diaphragm 3. From this gap D, a flow F _BL that opposes the bias flow F _b is generated, and the force of F _B is weakened. As a result,
The combined flow F _A weakens the force of adhering to the guide wall 4, and the deflection angle of the blowout flow becomes smaller than that in the case of FIG. 7. The deflection angle increases in inverse proportion to the size of the gap D.

Next, the case where the bias shield 5 is moved to the position shown in FIG. 9 will be described. In this case, the flow F _BL generated from the gap D has almost the same strength as the bias flow F _B, and the combined flow F _A is blown to the front without being deflected.

As described above, by operating the rotating shaft 6 to rotate or vertically move the bias shield 5, the position and strength of the flow adhered to the guide wall are changed, and the position where the flow blowing direction is deflected at a wide angle is changed. It can be set in any direction three-dimensionally from the front to the front.

Problems to be Solved by the Invention In the above-mentioned prior art, although it is possible to send a concentrated flow to an arbitrary position, the blowout flow is blown uniformly in almost all directions substantially perpendicular to the axis of the flow path. It is not possible to realize the state of putting out, that is, the state of distribution.

The present invention solves such a conventional problem, and realizes a dispersed state while making the most of the conventional characteristics, and makes it possible to uniformly air-condition an entire air-conditioned room.

Means for Solving the Problems In order to solve the above problems, the flow deflector of the present invention is
A nozzle that is provided at the outlet of the flow channel and has a throttle from the entire circumference with respect to the axis of the flow channel, a guide wall that gradually expands toward the downstream of the nozzle, and is arranged on the upstream side of the nozzle, A bias shield that is movable in the axial direction of the flow channel and is rotatable about the axis of the flow channel and that blocks a part of the flow toward the axis of the flow channel narrowed by the diaphragm.
Is arranged on the downstream side of the nozzle and is rotatable about the axis of the flow path in the same direction as the rotation of the bias shield, and the flow path of the flow path moves as the bias shield moves in the upstream direction. And a dispersion whose tilt angle with respect to the axis changes.

Action The present invention has the above-described configuration, in which the angle of the dispersion with respect to the axis of the flow path changes in accordance with the movement of the bias shield, and when the bias shield moves largely upstream, the dispersion becomes the flow axis. On the other hand, it becomes almost vertical, and the blowout flow becomes dispersed. Also, the bias shield approaches the nozzle,
When the blowout flow is deflected, the inclination angle of the dispersion body changes in accordance with the deflected state, and at the same time, the dispersion shield rotates in the same direction as the bias shield to perform the flow rectifying action.

Embodiment An embodiment of the present invention will be described below with reference to the accompanying drawings.
7 is a flow path, 8 is a wall forming the flow path, 9 is an axis of the flow path, 10 is a nozzle having a throttle 11, 12 is a guide wall which gradually expands toward the downstream side of the nozzle 10, and 13 is a throttle 11. It is a bias shield that blocks a part of the flow toward the flow path axis 9 and is formed in a substantially arcuate shape. The bias shield 13
Are connected to the outer shaft 15 by the support shaft 14 at approximately the center position. On the downstream side of the nozzle 10, in the vicinity of the guide wall 12, a disc-shaped (in the figure, a blade shape is formed so as to follow the flow) disperser 16 is arranged, which is located at the downstream end of the outer shaft 15 It is mounted to rotate around 17. The dispersion body shaft 17 is provided substantially at a right angle to the support shaft 14 of the bias shield 13 so that the dispersion body 16 can rotate in a plane formed by the support shaft 14 and the flow path shaft 9. The outer shaft 15 moves in the flow direction with respect to the inner shaft 15a, and the movement is controlled by a cam 18 rotated by a motor 17a fixed to the wall 8. On the other hand, the inner shaft 15a is rotated by a motor 17b fixed to the wall 8, and the rotation is transmitted to the outer shaft by a protrusion 19 provided on the inner shaft 15a through a groove 20 provided on the outer shaft 15, The inner shaft and the outer shaft rotate in the same direction. Also 21 is
A disc fixed to the outer shaft 15 transmits the displacement of the cam 18 to the outer shaft. The first locking member 22 is provided at the downstream end of the inner shaft 15a.
On the other hand, a second locking member 23 is provided between the bias shield 13 and the dispersion 16. Further, the dispersion 16 is provided with a turning groove 24 for turning about 90 ° along the outer shaft 15. A return spring 25 is provided between the dispersion body 16 and the outer shaft 15, and the dispersion body 16 is normally urged so as to face the same direction as the movement direction of the outer shaft.

The operation of the above configuration will be described below. FIG. 3 shows the case where the bias shield 13 is moved to the upstream side, and as shown in the prior art, the blowout flow from the nozzle 10 flows upward without being deflected. At this time, the dispersion 16 is a return spring.
By 25, it is directed almost in the direction of the axis 9 of the flow path. That is, the angle α formed by the axis of the flow path and the center line 16a of the dispersion 16 is close to 0 °. Therefore, the flow from the nozzle is not affected by the dispersion and flows upward as it is. Next, as shown in FIG. 4, when the bias shield 13 is brought into close contact with the nozzle 10, the flow is deflected to the right as described in the prior art. At this time, the dispersion
Simultaneously with the bias shield, 16 moves downstream via the outer shaft 15. A first locking member 22 fixed to the inner shaft 15a is provided on the downstream side, and when the dispersion body 16 moves to the downstream side, the first locking member 22 comes into contact with the first locking member 22 and the dispersion body Axis 17
Rotate around. The rotation angle α is the same as the position of the first locking member 22 so that when the bias shield 13 is at the position shown in FIG. 4, it is substantially the same as the tangent angle β to the axis of the flow path of the guide wall 12. Is set. In this state, the flow exiting from the nozzle 10 and deflected to the right side of the drawing is in the direction in which the dispersion 16 deflects the flow, so that the adhesion to the guide wall is further promoted and the deflection characteristics are improved. To do. Further, at the intermediate position between FIGS. 3 and 4, both the deflection and the angle of the dispersion 16 are at the intermediate position, and the deflection operation is performed linearly. The outer shaft 15 is set so that the rotation of the motor 17a is cam 1
By 8 it is moved up and down, and the outer shaft 15 is moved through the disk 21. That is, the motor
By controlling the rotation of 17a, the setting of the outer shaft 15, that is, the position and angle of the bias shield 13 and the dispersion 16 can be controlled. Also, by rotating the motor 17b, the shaft 1
5a rotates. This rotation is caused by the protrusion 19 provided on the inner shaft,
It is transmitted to the outer shaft by the groove 20 provided in the outer shaft. Then, the bias shield 13 and the dispersion body 16 are rotated in the same direction. That is, the rotation direction of the flow can be arbitrarily set by controlling the rotation of the motor 17b. Next, as shown in FIG. 5, the case where the bias shield 13 is moved to the most upstream side will be described. In this case, the dispersion 16 contacts the second locking member 23, and the rotation angle α becomes about 90 °. In this state, the flow from the nozzle is directed upward in the figure, but the flow adheres to the entire circumference of the guide wall 12 due to the biasing action of the dispersion body. As a result, there is a so-called dispersed state in which the air is blown out uniformly in all lateral directions in the figure. As described above, by configuring the dispersion body 16 to move in association with the movement of the bias shield 13, it is possible to realize the dispersion operation while maintaining the flow deflection operation by the bias shield 13. Become.

Effects of the Invention As described above, according to the flow deflecting device of the present invention, the following effects are obtained.

(1) Since the disperser rotates in the same direction as the rotation of the bias shield and rotates in the flow direction in conjunction with the axial movement, the disperser tilts in accordance with the flow deflection state and the flow is rectified. It works and enables distributed operation.

(2) Since the dispersion member rotates in the same direction as the flow direction, the flow direction is made clear by the dispersion member, and the direction indicating means is unnecessary.

[Brief description of drawings]

FIG. 1 is a partially cutaway perspective view of a flow deflector according to an embodiment of the present invention, FIGS. 2, 3, 4, and 5 are sectional views of the same, and FIG. 6 is a conventional flow deflector. FIG. 7 is a partially cutaway perspective view of FIG. 7, FIG. 7 is an enlarged view of the relevant part, and FIG. 8, FIG. 9, FIG. 10, FIG. 7 ... Flow path, 9 ... Flow path axis, 10 ... Nozzle, 11 ... Restrictor, 12 ... Guide wall, 13 ... Bias shield, 16 ... Disperser.

Claims (2)

[Claims] 1. A nozzle provided at an outlet of a flow path and having a restriction from the entire circumference with respect to the axis of the flow path, a guide wall gradually expanding toward the downstream side of the nozzle, and an upstream side of the nozzle. And a bias shield which is arranged on the side, is movable in the axial direction of the flow path, is rotatable about the axis of the flow path, and blocks a part of the flow toward the axis of the flow path narrowed by the throttle. And is rotatable downstream from the nozzle about the axis of the flow path in the same direction as the rotation of the bias shield, and the flow is increased as the bias shield moves in the upstream direction. A flow deflector comprising a dispersion having a large inclination angle with respect to the axis of the path. 2. The flow deflector according to claim 1, wherein the dispersion body and the bias shield are provided on one shaft which is movable in the axial direction and rotatable about the axis of the flow path. .