JPH1019358A - Blowoff outlet automatic oscillating apparatus for spot type air conditioner - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a blowoff outlet automatic oscillating apparatus for a spot type air conditioner capable of adjusting the angle of oscillation for easily changing an air direction from an air blowoff outlet from the outside with a simplified construction. SOLUTION: An automatic oscillating apparatus includes a rotary cylinder 1 for changing an air direction from a bloweoff outlet, a motor 4 for rocking the rotary cylinder 1, and a link mechanism 6, 7 for coupling the motor 4 and the rotary cylinder 1 to oscillate the rotary cylinder 1 a predetermined angle. In this case, a continuous gourd-shaped elongated hole 8 is formed in a frame plate 3 located inside the rotary cylinder 1 for stopping an engagement pin 10 of the link mechanism 7, and a relief hole 13 is formed in the frame plate 3 located on opposite outsides of a necked part of the elongated hole 8 for expanding the diameter of the neck part. Further, there is provided an operation knob 14 on the rotary cylinder 1 for changing an engagement position of the engagement pin 10 with respect to the elongated hole 8 to adjust an oscillating angle range by rotating the rotary cylinder 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic air outlet swinging device for a spot type air conditioner, which is capable of adjusting an angle of a swing for changing a wind direction from an air outlet of an air conditioner or the like.

[0002]

2. Description of the Related Art As shown in FIG. 9, a spot type air conditioner has an
A blow duct 93 for determining a wind direction from a blow outlet 92 is rotatably connected to an upper portion of the blower duct 2.
A refrigeration cycle (not shown) is housed inside the spot type air conditioner main body 91, and the air sucked from an air suction port 94 formed on the front surface of the spot type air conditioner main body 91 exchanges heat. Thus, the air is blown out from the blow-out duct 93. A drain receiving container 95 for storing drain water generated by a heat exchanger or the like is provided below the air inlet 94.

[0003] As shown in FIG. 8, the base end of the blow-out duct 93 is fitted to the upper end of a rotary cylinder 96.
A motor 97 for swinging the rotary cylinder 96 is provided beside the. The rotating cylinder 96 and the motor 97 are connected via a first link 98 and a second link 99.
Is rotated by a link mechanism 100 including a first link 98 and a second link 99 into a reciprocating rotational movement of the rotary cylinder 96 at a predetermined angle, and the blowing duct 93 is swung.

[0004] As one of the automatic outlet swinging devices of the spot type air conditioner, there is an apparatus disclosed in Japanese Utility Model Publication No. 7-31069. As shown in FIG. 6, this device swings a rotating cylinder 63 that changes the direction of the wind from an outlet, and a first link 62 that is rotationally driven by a motor 61.
And a second link 65 connected to one of the arms 64 extending in the radial direction of the rotary cylinder 63 by a single shaft, and converts the rotational motion into a reciprocating motion and transmits it to the rotary cylinder 63. ing. When the swing angle θ is adjusted, the swing position of the second link 65 and the arm 64 is moved.

The connection between the second link 65 and the arm 64 is made by a groove 66 formed in the arm 64 as shown in FIG.
An elongated hole 67 is formed at the bottom of the groove, and a slidable block 68 is inserted into the groove 66. The block 68 and the arm 64 are connected via the elongated hole 67 by a screw 69. Also, along the longitudinal direction of the arm 64 from the block 68,
A rod 70 is extended and provided rotatably. A protrusion 71 is formed on a side surface of the rod 70, and a plurality of locking grooves 72 for locking the protrusion 71 are formed on a side surface of the groove 66 of the arm 64. ing. By locking the projection 71 in the locking groove 72, the pivot position is determined. By changing the locking groove 72 in which the projection 71 locks, the pivot position is changed and the swing angle is adjusted. It has become.

[0006]

According to the above configuration,
By changing the pivot position between the second link 65 and the arm 64, the angle of the swing that changes the wind direction from the air outlet can be adjusted. In order to change the pivoting position, the rod 70 is rotated by 90 degrees, and the projection 71 is
2, the rod 70 must be rotated 90 degrees again to lock the projection 71 in the locking groove 72, and the operation is difficult.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to solve the above-mentioned conventional problems by using a spot type air conditioner having a simple structure and capable of easily adjusting the swing angle of changing the wind direction from an air outlet from the outside. The purpose of the present invention is to provide an automatic swinging device for the air outlet of the machine.

[0008]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention provides a rotary cylinder for changing the direction of air flow from an outlet, a motor for swinging the rotary cylinder, and a motor and the rotary cylinder. An automatic oscillating device having a link mechanism for connecting and swinging the rotary cylinder at a predetermined angle, wherein a continuous gourd-shaped long hole for locking an engaging pin of the link mechanism is provided on a frame plate inside the rotary cylinder. The rotary cylinder is provided with an operation knob for rotating the rotary cylinder to change the locking position of the engagement pin with respect to the elongated hole to adjust the swing angle range.

The continuous gourd-shaped long hole is
Locking holes for locking the engagement pins are formed side by side on the frame plate, and constricted portions are formed between the locking holes. The constricted portions are enlarged on the frame plates on both outer sides of the constricted portion. It is desirable that a relief hole is formed.

Further, the frame plate is provided so as to connect an arbitrary pair of arms extending in the radial direction inside the rotary cylinder, and the frame plate is formed of an elastic synthetic resin material. May be done.

According to the above configuration, it is possible to easily adjust the swing angle at which the wind direction from the air outlet is changed simply by grasping the operation knob from outside and turning the rotary cylinder.

Further, it is preferable that the operation knob is mounted outside the joint between the rotary cylinder and the arm. Thereby, the rotation of the rotary cylinder while grasping the operation knob is performed smoothly.

[0013]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

As shown in FIGS. 1 and 3, the rotary cylinder 1 provided at the air outlet of the air conditioner swings around a line L extending in a radial direction from a center portion 15 thereof so as to change the wind direction. It has become. Arms 2 extending in the radial direction from the boss 16 provided around the central portion 15 of the rotary cylinder 1 toward the rotary cylinder 1 are provided at three positions at equal angles inside the rotary cylinder 1. . Between a pair of adjacent arms 2, a frame plate 3 for connecting the arms 2 is provided to be bridged. The frame plate 3 has a transmission arm 7 described later.
Is extended outward from a portion near the center of the rotary cylinder 1 and transmitted as compared with the radial line L as the distance from the center portion 15 increases. It is formed obliquely so as to have a predetermined angle with the radial direction so as to approach the arm 7 side.

Although not shown, an outlet duct having a tip directed in a predetermined direction is fitted to the upper end of the rotary cylinder 1.

By the way, near the rotating cylinder 1, the rotating cylinder 1
A motor 4 for swinging the rotating cylinder 1 is provided, and a rotating arm 6 and a transmission arm 7, which are link mechanisms for connecting the motor 4 and the rotating barrel 1 to swing the rotating barrel 1 by a predetermined angle, are provided. I have. One end of the rotating arm 6 is fixed to the rotating shaft 5 of the motor 4, and the other end is pivotally supported on one end of the transmission arm 7 via a connecting pin 9. The other end of the transmission arm 7 on the side of the rotary cylinder 1 is rotatably locked to the elongated hole 8 via an engagement pin 10.

As shown in FIG. 2, the elongated hole 8 is formed by arranging three locking holes 11 for locking the cylindrically formed engaging pins 10 in a line. The respective outer peripheral lines intersect with each other, and at the intersecting portions, the space between the holes is narrowed, and a narrow portion 12 which is a narrow portion is formed. That is, the shape of the elongated hole 8 is a continuous gourd-like shape in which gourds are arranged and attached.

On both outer sides of the constricted portion 12, engagement pins 10 are provided.
A relief hole 13 is provided for expanding the diameter of the constricted portion 12 when the constricted portion 12 passes through the constricted portion 12. This relief hole 13
At a predetermined distance from the outer peripheral line of the elongated hole 8 of the frame plate 3, the outer peripheral line is formed to be elongated along the outer peripheral line of the constricted portion 12, and formed at four locations on both outer sides of each constricted portion 12. Have been. The frame plate 3 in which the elongated holes 8 and the blind holes 13 are formed is integrally formed of a synthetic resin material such as polyacetal having a spring effect.

As shown in FIG. 1, one arm 2
An operation knob 14 for rotating the rotary cylinder 1 to shift the engagement position between the engagement pin 10 of the transmission arm 7 and the elongated hole 8 is attached to the outside of the joint between the rotary cylinder 1 and the rotary cylinder 1.

The operation of the embodiment of the present invention will be described from the above configuration.

When the head 4 is swung to change the wind direction from the air outlet, the motor 4 is driven, and the rotating arm 6 is rotated together with the rotating shaft 5 as shown by a chain line arrow in FIG. The side end rotates and the link pin including the rotating arm 6 and the transmission arm 7 causes the engaging pin 10 at the end of the transmission arm 7 on the side of the rotary cylinder 1 to reciprocate. The rotary cylinder 1 swings by a predetermined angle about the center portion 15 thereof, and an outlet duct (not shown) fitted to the upper end portion also swings.

In FIG. 1, the engaging pin 10 of the transmission arm 7 is provided with the locking hole 1 farthest from the center of the rotary cylinder 1 of the elongated hole 8.
1, the rotary cylinder 1 reciprocates within an angle θ1 in the range of the dashed line drawn from the center portion 15 thereof.

Next, the operation in the case where the engaging position between the engaging pin 10 of the transmission arm 7 and the elongated hole 8 is shifted will be described.
FIG. 2A shows a state in which the engagement pin 10 is locked in the center locking hole 11, and FIG. 2B shows a state in which the engagement pin 10 is located in the constricted portion 12. FIG. 2C is a view showing a state in which the engaging pin 10 is locked in the locking hole 11 at the end.

As shown in FIG. 2A, when the engaging pin 10 of the transmission arm 7 is locked in the locking hole 11, the engaging pin 10 is rotatably supported, and 7
The engagement pin 10 and the locking hole 11 are configured to rotate relative to each other in accordance with the reciprocating motion. This engagement pin 1
In order to move 0 to the adjacent locking hole 11, the external operation knob is grasped, and the rotary cylinder 1 is rotated and shifted in a predetermined direction. Then, since the relief holes 13 are formed on both outer sides of the constricted portion 12, the relief holes 13 are pressed and deformed,
As shown in FIG. 2B, the constricted portion 12 of the elongated hole 8 is pushed by the engaging pin 10 and smoothly expanded in the outward direction. Further, the rotary cylinder 1 is rotated until the engaging pin 10 moves to the adjacent locking hole 11. Here, since the frame plate 3 is formed of a synthetic resin material such as polyacetal having a spring effect, as shown in FIG. 2 (c), the constricted portion 12 once expanded and the deformed relief hole 13 are again formed. The original shape is restored and the engagement pin 10 is locked.

Also, since the operation knob 14 is attached to the outside of the joint between the arm 2 and the rotary cylinder 1,
When the rotary cylinder 1 is rotated, a force is transmitted in a straight line from the operation knob 14 to the central portion 15 of the rotary cylinder 1, so that the engaging position between the engagement pin 10 and the elongated hole 8 can be smoothly changed without requiring extra force. Can be shifted.

By the above operation, the locking position between the engaging pin 10 of the transmission arm 7 and the elongated hole 8 is shifted toward the center of the elongated hole 8 or the central portion 15 of the rotary cylinder 1 as shown in FIGS. Can be shifted to the locking hole 11. Thus, the swing angle of the outlet can be adjusted in three stages, such as the angles θ2 and θ3 in the range of the dashed line. 4 and 5, since the configuration of the apparatus is the same as that of FIG. 1, the same reference numerals are given and the description is omitted.

Since the width of the reciprocating movement of the transmission arm 7 is the same, the closer the engagement position between the engaging pin 10 and the elongated hole 8 of the transmission arm 7 is to the center portion 15 of the rotary cylinder 1, the more the swing of the transmission arm 7 is made. The angle increases, and the value increases in the order of θ1, θ2, θ3.

By the way, when the rotating arm 6 is in the middle of the swing range, the engaging pins 10 are at the angles θ1, θ2, θ3.
The direction of the elongated hole 8 and the inclination of the line L are determined so as to be located on the same center line L of the rotary cylinder 1.
Swings around the same line L.

In this embodiment, the locking holes 11 are provided at three places in the elongated holes 8 so that they can be adjusted in three stages. It is also conceivable to increase or decrease.

[0030]

In summary, according to the present invention, the swing angle can be easily adjusted from the outside, and the frame plate is formed of an elastic synthetic resin material integrally with the oblong hole and the blind hole, so that the frame can be restored. It has a strong effect, and does not require the provision of a fixing spring member or the like in the elongated hole, and exhibits an excellent effect that the configuration can be simplified as compared with the conventional device.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of an automatic outlet swinging device for a spot type air conditioner according to the present invention.

FIG. 2 is an enlarged plan view showing a long hole.

FIG. 3 is a side view of the automatic outlet swinging device of the spot type air conditioner according to the present invention.

FIG. 4 is a plan view showing the movement of the rotary cylinder when the transmission arm is locked in the center locking hole of the elongated hole.

FIG. 5 is a plan view showing the movement of the rotary cylinder when the transmission arm is locked in a locking hole near the center of the elongated hole.

FIG. 6 is a plan view showing a conventional automatic swing device.

FIG. 7 is a plan view showing a joint between a second link and an arm of the conventional automatic swing device.

FIG. 8 is a side sectional view showing an outlet of a conventional spot type air conditioner.

9A is a front view showing a conventional spot type air conditioner, and FIG. 9B is a side view thereof.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Rotating cylinder 2 Arm 3 Frame plate 4 Motor 6 Rotating arm (link mechanism) 7 Transmission arm (link mechanism) 8 Long hole 10 Engagement pin 11 Locking hole 12 Constriction part 13 Negative hole 14 Operation knob

Claims (4)

[Claims] 1. A rotary cylinder for changing a wind direction from an outlet, a motor for rocking the rotary cylinder, and a link mechanism connecting the motor and the rotary cylinder for rocking the rotary cylinder by a predetermined angle. In the automatic swinging device provided with, a continuous gourd-shaped long hole for engaging the engaging pin of the link mechanism is formed in the frame plate inside the rotating cylinder, and the rotating cylinder is rotated by the rotating cylinder. An automatic swinging device for an outlet of a spot type air conditioner, comprising an operation knob for adjusting a swing angle range by changing a locking position of an engagement pin with respect to a long hole. 2. The continuous gourd-shaped elongated hole is formed by arranging locking holes for locking an engaging pin on the frame plate and forming a constricted portion between the locking holes. 2. The automatic swinging device for an outlet of a spot-type air conditioner according to claim 1, wherein relief holes for expanding the constricted portion are formed in the frame plates on both outer sides of the constricted portion. 3. The frame plate is provided so as to connect any one of a plurality of arms extending radially inside the rotary cylinder, and the frame plate is formed of an elastic synthetic resin material. The automatic swinging device for the outlet of a spot type air conditioner according to claim 1 or 2, wherein 4. The automatic swinging device for an outlet of a spot-type air conditioner according to claim 3, wherein the operation knob is attached outside a joint between the rotary cylinder and the arm.