JPH10300183A - Wind direction deflecting device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce manufacturing cost by limiting necessary driving sources to one by connecting between a first louver and a second louver through a reversing structure, rotating a wind direction deflecting plate of the second louver in the reverse direction with the rotation of the wind direction deflecting plate of the first louver. SOLUTION: When a driving motor 51 is rotated in the direction of arrows A and B, a wind direction deflecting plate 31 is rotated in the direction of arrows A and B through the connecting rod 34 by the driving arm attached to the driving shaft of a motor. A bearing part 32 latched with a rotating shaft 31a is rotated with the rotation of the rotating shaft 31a along with the rotation of the wind direction deflecting plate 31 and plate material 61 is moved reciprocally in the direction of arrows X1 and X2 by latching action pins 32a of the bearing part 42 with cutout parts 62a of a reversing structure 60. The action pins 42a of the bearing part 42 latched with the cutout parts 63a are driven by the reciprocal movement of the plate material 61, the bearing parts 42 are rotated in the direction of arrows A and B and the direction of rotation is reversed between the bearing part 32 and the bearing part 42.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wind direction changing device which is arranged at an air blow opening of an indoor unit of an air conditioner and changes a blowing direction by moving a wind direction changing plate. It relates to things that move in opposite directions.

[0002]

2. Description of the Related Art Some air conditioner indoor units are provided with a wind direction changing device for changing a blowing direction, that is, a wind direction. FIG. 5 is a schematic diagram showing an example of such a wind direction changing device.

A wind direction changing device 10 is provided at an air outlet (not shown) connected to a ventilation path, and a wind W blown from the air outlet is provided.
And a pair of left and right vertical louvers 11 and 12 for changing the direction of the louvers. The vertical louver 11 includes a plurality of wind direction change plates 11a,
A connecting rod 11b for connecting the wind direction changing plates 11a, an arm 11c connected to an end of the connecting rod 11b, and a motor 11d for rotating the arm 11c are provided. Similarly, the vertical louver 12 includes a plurality of wind direction changing plates 12a and a connecting rod 1 connecting these wind direction changing plates 12a.
2b and an arm 1 connected to an end of the connecting rod 12b.
2c and a motor 12d for rotating the arm 12c. The motor 11d and the motor 12d are driven to operate in opposite directions, and the wind direction change plates 11a and 12d are driven.
a is rotated in the directions of arrows r1 and r2 in FIG. That is, the vertical louvers 11 and 12 are controlled independently.

[0004]

In the above-described conventional wind direction changing device 10, a plurality of motors are required, so that there is a problem that the cost is increased. Further, when a single motor is used, there is a problem that a driving mechanism becomes complicated by using a cam or the like.

Accordingly, an object of the present invention is to provide a wind direction changing device which can move a pair of louver wind direction changing plates in opposite directions with a simple structure using a single drive source.

[0006]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems and to achieve the object, the invention described in claim 1 has a first and a second wind direction changing plates which are respectively rotated. A second louver, first and second rotation axes respectively forming rotation centers of the first and second wind direction change plates, and radial directions from the first and second rotation axes, respectively. And first and second action pins projecting in opposite directions to each other, and first and second engagement portions respectively engaged with the first and second action pins. And a reversing mechanism for rotating the first and second rotating shafts in opposite directions by moving the second engaging portion in the same direction.

According to a second aspect of the present invention, in the first aspect of the present invention, the rotating shaft includes a shaft integrally formed on a wind direction changing plate and a predetermined sliding motion. A bearing portion for supporting the shaft with resistance; and the working pin is formed in the bearing portion.

According to a third aspect of the present invention, in the first aspect of the invention, the reversing mechanism includes a first member having the first engagement portion, and a first member having the first engagement portion. A second member having a second engaging portion, which is freely formed, and wherein the first member and the second member are connected via a sliding portion formed so as to be relatively slidable. Have been.

According to a fourth aspect of the present invention, in the third aspect of the invention, the sliding portion is a groove formed in one of the first member and the second member. And a convex locking portion formed on the other member and locked in the groove.

According to a fifth aspect of the present invention, in the fourth aspect of the invention, the locking portion has a plurality of convex portions, and the pitch of the vertices of each of the convex portions is smaller than the pitch of the groove portion. Is also set short.

[0011] As a result of taking the above measures, the following effects are produced. That is, in the invention described in claim 1, the first louver and the second louver are connected via the reversing mechanism, and thus the first louver is rotated by rotating the wind direction changing plate of the first louver. The wind direction changing plate of the second louver can be rotated in the opposite direction. The reversing mechanism is provided on a first working pin protruding from a rotating shaft attached to the first louver and on a rotating shaft attached to the second louver, and is provided in a direction opposite to the first working pin. Since the second working pin is provided so as to protrude, and the first and second working pins are moved in the same direction, reversal can be performed with a simple configuration.

According to the second aspect of the present invention, the rotating shaft includes a shaft integrally formed on the wind direction changing plate, and a bearing for supporting the shaft with a predetermined sliding resistance. Since the working pin is formed on the bearing portion, the shaft and the bearing portion are appropriately rotated to adjust the relative angle between the first wind direction changing plate and the second wind direction changing plate. Can be.

According to the third aspect of the present invention, since the first member and the second member are connected via the sliding portion formed so as to be relatively slidable, the first member and the second member are connected to each other. The relative angle between the first wind direction changing plate and the second wind direction changing plate can be adjusted by appropriately sliding the second member.

According to the fourth aspect of the invention, the sliding portion is formed in one of the first member and the second member, and is formed in the other member, and is engaged with the groove. And the first member and the second member can be slid with a simple configuration.

In the invention described in claim 5, the locking portion has a plurality of protrusions, and the pitch of the vertices of each of the protrusions is set shorter than the pitch of the groove. Fine adjustments can also be made.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS FIGS. 1A and 1B are views showing a wind direction changing device 20 according to a first embodiment of the present invention. The wind direction changing device 20 includes a pair of first louvers 30 and second louvers 40, a driving unit (driving source) 50 that drives the first louvers 30 and the second louvers 40, and a first louver 3.
And a reversing mechanism 60 for connecting the first louver 40 and the second louver 40 and reversing the direction of rotation.

The first louver 30 includes a plurality of wind direction change plates 31 that rotate around a rotation shaft 31a. The rotating shaft 31a of the wind direction changing plate 31 located on the second louver 40 side of the rotating shaft 31a penetrates an air passage wall (not shown) and is supported by the bearing 32 with a predetermined sliding resistance. The other rotating shafts 31a penetrate through an air passage wall (not shown) and are supported by bearings 33.

The wind direction changing plates 31 are connected by connecting rods 34 so as to rotate in the same direction. The bearing 32 has a first working pin 32a protrudingly formed. In addition,
The sliding resistance between the rotating shaft 31a and the bearing 32 described above is set so that the rotating shaft 31a is locked to the bearing 32 during normal operation, but is easily rotated when operated manually. .

The second louver 40 is shown in FIGS.
As shown in the figure, a plurality of wind direction change plates 41 that rotate around a rotation shaft 41a are provided. The first of the rotating shafts 41a
Rotating shaft 41a of wind direction changing plate 41 located on louver 30 side
Are rotatably supported by the bearing 42 with a predetermined sliding resistance through the air passage wall 21, and the other rotating shafts 41 a are respectively supported by the bearing 43 through the air passage wall 21.

The wind direction changing plates 41 are connected by connecting rods 44 so as to rotate in the same direction. The bearing 42 has a second working pin 42a protruding therefrom. In addition,
The sliding resistance between the rotating shaft 41a and the bearing 42 described above is set so that the rotating shaft 41a is locked to the bearing 42 during normal operation, but is easily rotated when operated manually. .

The driving section 50 includes a driving motor 51 and a driving arm 52.
Is connected to the end 34a of the connecting rod 34 described above. The reversing mechanism 60 includes a flat plate 61.
A pair of openings 62 and 63 are formed in the plate member 61. Notches (engaging portions) are provided in the openings 62 and 63, respectively.
62a and 63a are formed. These notches 62
a and 63a are formed toward opposite directions. The above-described working pins 32a and 42a are engaged with the notches 62a and 63a, respectively.

The wind direction changing device 20 configured as above operates as follows. That is, the drive motor 5
1 to rotate the drive arm 52 in the directions of arrows A and B in FIG. Thereby, the wind direction change plate 31 rotates in the directions of arrows A and B in FIG. Also,
The rotation shaft 31a rotates with the rotation of the wind direction change plate 31. With the rotation of the rotation shaft 31a, the bearing portion 32 locked on the rotation shaft 31a rotates. Furthermore, the plate member 61 reciprocates as shown by arrows X1 and X2 in FIG. 1 because the action pin 32a of the bearing portion 32 engages with the notch portion 62a. Furthermore, the notch 63
The operating pin 42a of the bearing portion 42 engaged with a is driven, and the bearing portion 42 rotates as shown by arrows A and B in FIG. That is, the turning direction of the bearing portion 32 and the bearing portion 42 is reversed by the reversing mechanism 60.

The rotation shaft 41a rotates with the rotation of the bearing portion 42. The wind direction changing plate 41 is rotated with the rotation of the rotating shaft 41 a, and the other wind direction changing plates 41 are connected via the connecting rod 44.
Rotate as shown by arrows A and B in FIG. Therefore, the wind direction change plate 31 and the wind direction change plate 41 rotate in opposite directions.

On the other hand, the rotating shafts 31a and 41a are
Since the motors 2 and 42 are slidably supported on the shaft, the wind direction change plates 31 and 41 can be manually turned in arbitrary directions when the drive motor 51 stops, regardless of the stop state of the reversing mechanism 60. it can.

FIGS. 3A and 3B are views showing a reversing mechanism 70 incorporated in a wind direction changing device 20A (not shown) according to a second embodiment of the present invention. In the description of the present embodiment, the same reference numerals are given to the same functional portions as those in FIG.

The reversing mechanism 70 includes a first member 71 and a second member 72 having a plate shape. The first member 71 has an opening 71a formed therein, and a notch (engaging portion) 71b.
Are formed. The second member 72 has an opening 72a and a notch 72b. These notches 71b and 72b are formed toward the opposite sides.

The bearings 32 and 42 are located in the openings 71a and 72a as in FIG. 1, and the working pins 32a and 42a are engaged with the notches 71b and 72b. In the present embodiment, the bearings 32, 4
2 is fixed to the rotating shafts 31a and 41a and does not slide with each other.

The base end of a plate member 73 extending toward the second member 72 is attached to the first member 71. Plate 73
Is divided into two parts, and the projection 73
a, 73b are formed. As shown in FIGS. 3B and 4, the positions of the protrusions 73 a and 73 b are slightly different toward the second member 72. This interval is a half pitch P / 2 of a pitch P of the groove 74a described later.

The base end of a plate 74 extending toward the first member 71 is attached to the second member 72. Plate 74
3A, grooves 74a are formed at a pitch P as shown in FIG. The above-mentioned convex portion 73 is formed in this groove portion 74a.
a and 73b are engaged with each other to form a sliding portion. In this sliding portion, one of the projections 73a and 73b is locked in the groove 74a during normal operation, but the locking can be easily released manually.

The wind direction changing device 20A thus configured
Then, it operates similarly to the wind direction changing device 20 described above. In addition, since the distance between the first member 71 and the second member 72 of the reversing mechanism 70 can be manually changed as appropriate in the sliding portion, the direction of the wind direction change plate 31 of the first louver 30 and the direction of the second louver 40 can be changed. The direction of the wind direction changing plate 41 can be appropriately changed.

Further, since the pitch of the projections 73a and 73b is set to half of the pitch P of the groove 74a, the adjustment of the interval between the first member 71 and the second member 72 is performed at half the pitch of the groove 74a. And finer adjustments can be made. It should be noted that the present invention is not limited to the above-described embodiment, and it goes without saying that various modifications can be made without departing from the spirit of the present invention.

[0032]

According to the first aspect of the present invention, since the first louver and the second louver are connected via the reversing mechanism, the wind direction changing plate of the first louver is rotated. By moving it, the wind direction change plate of the second louver can be rotated in the reverse direction with a simple configuration. Therefore, only one drive source is required, and the manufacturing cost can be reduced.

According to the second aspect of the present invention, the first
The relative angle between the wind direction changing plate and the second wind direction changing plate can be adjusted. According to the invention described in claim 3,
The relative angle between the first wind direction changing plate and the second wind direction changing plate can be adjusted.

According to the fourth aspect of the invention, the first member and the second member can be slid with a simple structure. According to the invention described in claim 5, it is possible to perform finer adjustment than the pitch of the groove.

[Brief description of the drawings]

FIGS. 1A and 1B are views showing a wind direction changing device according to a first embodiment of the present invention, wherein FIG. 1A is a perspective view and FIG.

FIG. 2 is a diagram showing a main part of the wind direction changing device,
(A) is a top view, (b) is a cross-sectional view taken along line XX in (a) and viewed in the direction of the arrow, and (c) is Y in (a).
Sectional drawing cut | disconnected by the Y line and seen in the arrow direction.

FIG. 3 is a perspective view showing a reversing mechanism incorporated in a wind direction changing device according to a second embodiment of the present invention.

FIG. 4 is a diagram showing a main part of the reversing mechanism.

FIG. 5 is a schematic view showing a conventional wind direction changing device.

[Explanation of symbols]

 20, 20A ... wind direction changing device 30 ... first louver 31 ... wind direction changing plate 31a ... rotating shaft 32a ... first working pin 40 ... second louver 41 ... wind direction changing plate 41a ... turning shaft 42a ... second working pin 50 ... Driving unit 60,70 ... Reversing mechanism

Claims (5)

[Claims] 1. First and second louvers provided with first and second rotating wind direction change plates, respectively, and first and second louvers respectively forming the rotation centers of the first and second wind direction changing plates. First and second working pins formed in a radial direction from the first and second rotating axes, respectively, and projecting in opposite directions to each other; First engaging with the working pins of
And a second engagement portion, wherein the first and second engagement portions are moved in the same direction to rotate the first and second rotation shafts in opposite directions. And a wind direction changing device. 2. The operating pin according to claim 1, wherein the rotating shaft has a shaft formed integrally with the wind direction changing plate, and a bearing for supporting the shaft with a predetermined sliding resistance. The wind direction changing device according to claim 1, wherein the wind direction changing device is formed on the bearing portion. 3. The reversing mechanism is formed with a first member having the first engagement portion, and is configured to be able to freely contact and separate from the first member.
A second member having the second engagement portion, wherein the first member and the second member are connected to each other via a sliding portion slidably formed. The wind direction changing device according to claim 1, wherein: 4. The sliding member includes a first member and a second member.
4. The device according to claim 3, further comprising: a groove formed in one of the members, and a convex locking portion formed in the other member and locked in the groove. Wind direction change device. 5. The wind direction according to claim 4, wherein the locking portion has a plurality of convex portions, and a pitch of vertexes of each of the convex portions is set shorter than a pitch of the groove portions. Change device.