JPH047480Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a wind direction changing device that can be applied to air conditioners in general.

(Prior art) Figure 3 shows the appearance of a wall-mounted air conditioner, and Figure 4 shows the appearance of a wall-mounted air conditioner.
The figure shows a cross section of the air outlet 1 taken along the line X--X in FIG.

Generally, the air outlet 1 is provided with a movable horizontal louver 2 to give the blown air directionality in the upward and downward directions, and a movable vertical louver 3 to give the airflow directionality in the left and right directions. For example, at the position of the movable horizontal louver 2, the blown air blows in the direction shown by the solid line arrow 4, and at the position of the movable horizontal louver 2', the blowing air blows in the direction shown by the broken line arrow 4'. The vertical louver 3 similarly performs a wind direction change action in the left and right directions.

FIG. 5 shows another example of the air outlet, and FIG. 6 shows the configuration of a horizontal louver and a vertical louver.

The vertical louver 5 is rotatable around a bearing hole 9 of a vertical louver rotation shaft 8 provided in an upper horizontal louver 6 and a lower horizontal louver 7 that constitute the horizontal louver 10, and can be oriented to the left or right direction of the blowing air. I'm trying to give it some gender.

The horizontal louver 10 is supported by a bearing hole 13 of a horizontal louver rotating shaft 11 provided in the outlet body 12 and is rotatable, so that the blown air has directionality both upward and downward. Further, if necessary, the movement of the plurality of vertical louvers 5 is restricted by a connecting rod 14 via a connecting portion 15 so that they face in the same direction.

In the configuration of the above conventional example, when attempting to automatically swing the vertical louver 5, the swinging device is installed inside the horizontal louver 10, and the horizontal louver 10
It is difficult to wire the device, and even if it were possible,
There are problems such as the swinging device blocking ventilation.

In order to solve this problem, the connecting rod for vertical louver swing is extended to the outside of the horizontal louver through the hollow part of the horizontal louver rotating shaft, which has a hollow tubular structure, and is automatically swung via a drive device. We proposed Utility Application No. 16038, 1983, which made it possible to do so.

FIG. 7 shows the above example, and to describe only the differences from that shown in FIG. . The connecting rod 14 is
It is longer than the conventional one, and its end 16 passes through the hollow part 21 and reaches the position of a vertical louver swinging device (not shown) fixed to the main body.

With this configuration, the horizontal louver 1
Regardless of the rotation of the vertical louver 5, it is possible to swing the vertical louver 5 via the connecting rod 14 by a swinging device fixed to the main body (not shown).

FIG. 8 is a sectional view showing a general example for reciprocating the connecting rod 14 in the above example. are loosely connected in the vertical direction. The connecting rod 30 passes through the rotating shaft 11 of the horizontal louver 10, and the other end is connected to the connecting rod 31 with a known free joint portion 34. Further, the other end of the connecting rod 31 is rotatably connected to the crank 32 at a connecting portion 35.
is a motor 33 that is decelerated and has an appropriate rotation speed.
It is designed to be rotated by .

With the above configuration, the rotation of the motor 33 makes it possible to reciprocate the connecting rod 14 regardless of the rotation of the horizontal louver 10.

(Problems to be Solved by the Invention) However, in the above configuration, transmission "backlash" occurs due to the structure. In other words, in the free joint part 34 and the connecting part 35, an appropriate clearance is required to smooth rotation and rocking, but this clearance becomes "play" and interferes with the flow of air passing through the vertical louver. As a result, problems such as chattering noise occur.

(Means for solving the problem) The present invention has a plurality of horizontal louvers rotatably installed at the air outlet via a horizontal rotation axis, and a vertical rotation axis between the plurality of horizontal louvers. In a wind direction changing device for an air conditioner comprising a plurality of vertical louvers that are swingably installed and a connecting member that connects the plurality of horizontal louvers, one end of the connecting member that connects the plurality of vertical louvers is connected to the The rotation shaft of the horizontal louver is passed through and extended to the outside of the horizontal louver, and a flange is provided at the end of the louver, and an elliptical cam rotated by a drive device is brought into contact with the flange to cause the connecting member to reciprocate. The present invention is characterized in that a spring is provided for applying tension to the connecting member.

(Function) By configuring as described above, the vertical louver can be automatically swung through the drive device to change the wind direction, and the tension of the spring eliminates looseness due to play in the connecting parts, etc. be able to.

(Example) An example will be described based on FIGS. 1 and 2.

To explain only the points that are different from those shown in FIG. 8, the connecting rod 14 is loosely connected to the connecting rod 40 and the connecting portion 44 in a direction perpendicular to the sliding direction of the connecting rod 40. The rod 40 has a disk-shaped collar 41 at the other end, and is pressed in the direction of the cam 42 by a spring 43 so as to be in constant contact with the cam 42. The cam 42 is rotated by a motor 33 that is moderately decelerated.

As a result of the above, the rotation of the cam 42 is transmitted to the collar 41 without the aforementioned "connection play" and is converted into a reciprocating sliding movement of the connection rod 40.

FIG. 2 shows a cross-sectional view along the length direction of the horizontal louver 10, and there are many vertical louvers,
When it is necessary to use a plurality of connecting rods 14, for example, when it is necessary to connect two connecting rods 14 and 14a as shown in FIG. "Connection play" occurs and similar problems occur. The spring 45 prevents this "connection play", and connects one end of the spring 45 to the connection rod 1.
4a, and the other end is hooked to the hook 47 of the horizontal louver 10, which applies tension to the connecting rod.The tension is applied to the connecting rod 40 in any state during sliding. is made weaker than the force of the spring 43 pressing against the cam 42.

With the above configuration, it is possible to eliminate "backlash" due to play in all the connecting parts.

In the above embodiment, the vertical louver 5 is connected to the motor 33, the cam 42, the collar 41, the connecting rod 40, and the
Although the explanation has been given on an example in which the swing is made to swing through the shaft, it goes without saying that the structure shown in FIG. 8 can also be applied in the same manner.

(Effects) As is clear from the above description, according to the present invention, it is possible to prevent the chatter noise of the vertical louvers caused by the "backlash" caused by play in the connecting parts, and to realize comfortable air conditioning.

[Brief explanation of the drawing]

Fig. 1 is a partially cutaway perspective view showing an embodiment of the present invention, Fig. 2 is a sectional view along the longitudinal direction of the horizontal louver, Fig. 3 is a perspective view of a conventional wall-mounted air conditioner, and Fig. 4 is a perspective view of a conventional wall-mounted air conditioner. The figures are a cross-sectional view taken along the line X-X in Fig. 3, Fig. 5 is a sectional view showing another example of the conventional device, Fig. 6 is a partially cutaway perspective view of the wind direction changing device shown in Fig. 5, and Fig. 7. 8 is a partially cutaway perspective view showing another example of the conventional one, and FIG. 8 is a cross-sectional view showing an example in which the vertical louver in the example shown in FIG. 7 is driven by a motor. 5... Vertical louver, 8... Rotating shaft, 10... Horizontal louver, 11... Rotating shaft, 14... Connecting rod, 3
3... Motor, 40... Connecting rod, 41... Tsuba, 4
2...Oval cam, 43...Spring.

Claims (1)

[Scope of utility model registration request] a plurality of horizontal louvers rotatably installed at the air outlet via a horizontal rotation axis; a plurality of vertical louvers installed between the plurality of horizontal louvers so as to be swingable via a vertical rotation axis; In an air conditioner wind direction changing device comprising a connecting member connecting the plurality of vertical louvers, one end of the connecting member connecting the plurality of vertical louvers is passed through the rotation axis of the horizontal louver, and the horizontal louver is connected to the horizontal louver. a spring that extends outside, has a collar at its end, contacts an elliptical cam rotated by a drive device to enable the connecting member to reciprocate, and applies tension to the connecting member; A wind direction changing device for an air conditioner, characterized by being provided with.