KR200302331Y1 - Damper driver of air conditioner - Google Patents

Abstract

An object of the present invention is to provide a damper driving device for an air conditioner in a damper driving device of an air conditioner, wherein the damper blade is smoothly rotated and has excellent airtightness when the air outlet and the air inlet are closed.

According to the present invention, a plurality of blades rotatable in a state parallel to the air discharge port and the suction port (3), the rotating shaft 125 fixed to both ends of the blade 120, and the rotating shaft 125 of the blade 120 Rotating gears coupled to the rotating gears 131 and the gears interlocked with each other, the stopper 140 is located between the rotary gear 131 and the blade 120 to control the rotation range of the blade 120, In the damper drive device is fixed along the circumference of the discharge port and the suction port (3) having a frame 160 to surround the rotary gear 131 and the stopper 140 to support the blade 120, the stopper 140 facing each other Protruding portion 132 is formed on one surface of one surface and one surface of the rotary gear 131, the long groove 142 is formed along the circumference of the rotary gear 131 on the other surface, the protruding portion 132 is a long groove ( 142 is inserted into the blade 120, and both ends of the blade 120 have convex portions in the blade 120 direction. Is a damper drive device of an air conditioner is provided that the sealing member 150 for pressing the blade 120 position.

Description

Damper driving device of air conditioner {Damper driver of air conditioner}

The present invention relates to an air conditioner for controlling the temperature, humidity, and airflow distribution of an indoor space to make humans comfortable, and at the same time to remove dust from the air. It is installed at the air outlet and the air inlet to control the rotation position of the damper wing (hereinafter referred to as 'blade') to open / close the outlet and the inlet or control the air flow more accurately.When the outlet and the inlet are closed, the air flow is completely It is to provide a damper driving device of the air conditioner to block.

With the development of the industry, air pollution is getting serious, and air conditioners have been developed to maintain a healthy indoor space while maintaining health from such air pollution.

The air conditioner developed as described above controls the temperature, humidity, and airflow of the indoor space to create a pleasant atmosphere for human activity, and further, collects dust contained in the indoor air in the process of circulating the indoor air. Create a pleasant living environment.

Such an air conditioner is provided with an air discharge port and an air inlet, and the indoor air is sucked through the air inlet and then discharged through the air outlet after the temperature and humidity are controlled. Adjust the flow of air or close the outlet and inlet.

The present invention relates to a drive device for a damper installed at the discharge port and the suction port of such an air conditioner.

1 is a schematic view showing an air conditioner according to the prior art, FIG. 2 is an exploded perspective view of a damper installed at the inlet of the air conditioner shown in FIG. 1, and FIG. 3 is a rotation of the blade shown in FIG. Partial perspective view showing the inlet closed state according to the

1 and 2, the damper 10 is arranged in parallel in one direction of the inlet port 3 of the air conditioner 1 and a plurality of rotatable blades 20, such blades 20 And a driving device 30 to rotate.

2 and 3, the drive device 30 is connected to one end of each blade 20, and a plurality of rotary gears 31, which is geared so as to interlock when all one rotates, the blade 20 ) Is located between the rotary gear 31 and one end of the blade 20 facing the one end of the blade 20 is formed with a projection 35 and the blade 20 by the interference of the rotating blade 20 and the projection 35 Stopper 33 for controlling the rotation angle of the) and a handle 37 is connected to any one of the plurality of rotary gear 31 of the rotary gear 31a to rotate the rotary gear 31. The rubber packing 22 is fixed in the longitudinal direction at one end in the width direction of the blade 20.

Hereinafter, the operation relationship of the conventional damper drive device configured as described above will be described.

When the user pivots the handle 37, one of the plurality of rotary gears 31 rotates one of the plurality of rotary gears, and at the same time, the other rotary gears 31 interlocked with each other interlock with each other and rotate in parallel. Blades 20 rotate about their respective longitudinal center axes.

On the other hand, as shown in Figure 3, when each blade 20 is rotated by the rotary gear 31, the rotation range is controlled by the protrusion 35 formed on the stopper 33. That is, the blade 20 is rotatable only within a range that does not interfere with the protrusion 35 when rotating on one surface of the stopper 33 on which the protrusion 35 is formed.

As such, the flow of air, that is, the airflow, sucked from the suction port 3 is controlled according to the rotation angle of the blade 20. Here, if one surface of all the blades 20 is located perpendicular to the air intake direction, the inlet 3 is closed, wherein the rubber packing 22 fixed to the blades 20 is in close contact with the adjacent blades 20 and the blades. Blocks the flow of air between the 20.

However, such a damper driving device is formed so that the protrusion of the stopper 33 interferes with the blade 20, so that the protrusion 35 of the stopper 33 is exposed to the outside and the appearance is not beautiful, and the stopper 33 ) Protrusion 35 is not completely in contact with the one end surface of the blade 20, there is a disadvantage that air flows between the gap is inferior to airtightness.

The present invention is proposed to solve the problems of the prior art as described above, the blade rotation is more smoothly to facilitate the control of the rotation position of the blade and the air conditioner damper for improving the airtightness between the stopper and the blade The purpose is to provide a drive.

1 is a schematic view showing an air conditioner according to the prior art,

FIG. 2 is an exploded perspective view of a damper installed at an inlet of the air conditioner illustrated in FIG. 1;

3 is a partial perspective view showing a closed state of the inlet port according to the rotation of the blade shown in FIG.

4 is an exploded perspective view of a damper driving device of an air conditioner according to an embodiment of the present invention,

5 is a partial perspective view showing a closed state of the discharge port and the suction port according to the rotation of the blade shown in Figure 4,

6 is a perspective view of the rotary gear shown in FIG.

7 is a perspective view illustrating the stopper shown in FIG. 5;

FIG. 8 is a perspective view illustrating a jam seal shown in FIG. 5.

Explanation of symbols on the main parts of the drawings

1: air conditioner 3: inlet

10: damper 20, 120: blade

100: damper drive device 125, 125a: square shaft

131, 131a: rotary gear 132: protrusion

140, 145: stopper 142: long groove

150: jam seal 160: square frame

170: bracket 180: handle

The present invention for achieving the above object is a plurality of blades rotatably positioned in parallel to the air discharge port and the air inlet in one direction, a rotary shaft fixed to both ends of each blade, and is coupled to rotate the rotary shaft of the blade Rotation gears interlocked with each other and interlocked with each other, a stopper positioned between the rotary gear and the blade to control a rotation range of the blade, and fixed along edges of the discharge port and the suction port, and fixed to the rotary gear and the stopper. In the damper driving device of the air conditioner having a frame surrounding the blade for supporting the blade, a protrusion is formed on one surface of the stopper and one surface of the rotary gear facing each other, the long groove is rotated on the other surface Is formed along the circumference of the gear so that the protrusion is the long groove Inserted into, the both ends of the blade is formed with a convex portion in the blade direction is characterized in that the sealing member for pressing the blade is located.

Preferably, the sealing member is a jam seal, which is stainless steel curved in the width direction along the longitudinal direction.

In the following, with reference to the accompanying drawings a preferred embodiment of the damper drive device of the air conditioner according to the present invention will be described in detail.

4 is an exploded perspective view of a damper driving device of an air conditioner according to an embodiment of the present invention, and FIG. 5 is a partial perspective view showing a closed state of the discharge port and the suction port according to the rotation of the blade shown in FIG. 4. 6 is a perspective view of the rotary gear shown in FIG. 5, FIG. 7 is a perspective view of the stopper shown in FIG. 5, and FIG. 8 is a perspective view of the jam chamber shown in FIG. 5.

As shown in FIGS. 4 and 5, the damper driving device 100 includes a plurality of blades 120 disposed in parallel in one direction of the discharge port and the inlet port 3 of FIG. 1. Rotating gear 131 is connected to the central axis of rotation and the stopper (140, 145) located between the rotary gear 131 and the blade 120 and controls the rotation range of the rotary gear 131 and And a sealing member positioned between the stoppers 140 and 145 and the blade 120 to block the flow of air between the stoppers 140 and 145 and the blade 120, in addition to the air conditioner. Located along the edge of the discharge port and the suction port (1) of the (1) and the square frame 160 for supporting the plurality of blades 120, and any one of the plurality of rotary gears (131) of the rotary gear 131a Connected shafts and handles 180 fixed and pivoted on these shafts to rotate the shafts 180. It includes.

Hereinafter, each component of the damper drive device and its organic coupling relationship will be described in more detail.

The blade 120 is a plate having a shape longer than its width, and the rubber packing 122 is fixed to both ends of the width direction along its length direction. The plurality of blades 120 are spaced at regular intervals and positioned in one direction of the discharge port and the inlet port 3, wherein the spaced apart intervals are defined by the respective blades when one surface of the blade 120 is perpendicular to the air traveling direction. The rubber packing 122 fixed to the 120 and the rubber packing 122 fixed to the other adjacent blade 120 are spaced at an interval such that they interfere with each other.

At both ends of the blade 120, the square shaft 125 is positioned and fixed to the longitudinal center axis of the blade 120, respectively. In addition, the jammer 150, which is a sealing member positioned in contact with both ends of the blade 120, has as many through-holes 152 as the number of the blades 120 through which the square shaft 125 may rotate. ) Is formed, and the square shaft 125 is located through the through hole 152 of the jam chamber 150. The jam chamber 150 is a stainless steel having excellent elasticity having a thickness of 0.1 mm, and is processed into a convexly curved shape in the middle of the width along the longitudinal direction, and the convex portions of the jam chamber 150 are formed at both ends of the blade 120. To face.

In addition, the square shaft 125 fixed to one end of each blade 120 is located through the through hole 144 formed in the center of the first stopper 140, the square shaft 125 fixed to the other end is the second It penetrates through holes (not shown in the figure) formed in the center of the stopper 145 and is fastened to a bushing 127 located outside the second stopper 145. The through hole formed at the center of the first stopper 140 and the second stopper 145 has a size that can be rotated by the square shaft 125 is inserted.

The first stopper 140 and the second stopper 145 are respectively fixed to two vertical frames 161 facing each other of the rectangular frame 160. An inner space is formed in the vertical frame 161 in the longitudinal direction thereof so that the first stopper 140 and the second stopper 145 are interpolated, respectively, and a slot communicating with the inner space is provided on an opposite surface of the vertical frame 161. 163 is formed. Therefore, when the jam chamber 150, the first stopper 140, the jam chamber 150, and the second stopper 145 are interpolated in the inner space of the vertical frame 161 facing each other, the blades 120 may be formed in the first space. The first stopper 140 and the second stopper 145 are spaced apart by the length. Here, the length of the first stopper 140 and the second stopper 145 has a length equal to the distance between the blades 120, as described above. The convex portion of the jam chamber 150 protrudes out of the slot 163 of the vertical frame 161 toward both ends of the blade 120, and the square shafts 125 and 125a penetrate through the slot 163.

Meanwhile, the square shaft 125 penetrating the through hole 144 of the first stopper 140 is fastened to the square hole 134 formed at the center of the rotary gear 131 as shown in FIG. 6. The rotary gears 131 are also interpolated with the first stopper 140 in the vertical frame 161 and are positioned in the longitudinal direction of the vertical frame 161 so that the adjacent rotary gears 131 are meshed with each other. All the rotary gears 131 are linked by the rotation of the rotary gear 131a.

In the rotary gear 131 and the first stopper 140, as shown in FIG. 7, a long groove 142 is formed on one surface of the first stopper 140 facing the rotary gear 131. It is formed with the same curvature as the circumferential curvature of 131. 6, a protrusion 132 is formed on one surface of the rotary gear 131 to be inserted into the long groove 142 formed in the first stopper 140. Accordingly, when the rotary gear 131 rotates, the protrusion 132 moves along the long groove 142, and the long groove 142 guides the rotation of the rotary gear 131. Here, the circumference of the long groove 142 is formed by a range of 0 ° ~ 90 ° around the square axis (125).

Meanwhile, among the square shafts 125 penetrating the first stopper 140 and the rotary gear 131, the square shaft 125a penetrating the rotary gear 131a is relatively larger than the other square shafts 125. The length of the handle 180 is fixed to the rectangular frame 125a penetrating through the vertical frame 161 and penetrating the vertical frame 161.

In addition, a bracket 170 is fixed to an outer surface of the vertical frame 161. A through hole is formed at the center of the bracket 170, and the through hole is rotatably penetrated by the square shaft 125a. The long hole 172 is formed with the same curvature as the curvature of the long groove 142 and the circumferential curvature of the rotary gear 131 described above. The handle 180 is positioned on the outside of the bracket 170 and the bolt 174 is fastened to the handle 180 by passing through the long hole 172 at the inside of the bracket 170. Accordingly, as the bolt 174 moves along the long hole 172 of the bracket 170, the handle 180 pivots by the length of the long hole 172 along the curvature of the long hole 172. Here, the circumference of the long hole 172 is also preferably formed in the range of 0 ° to 90 °.

Hereinafter, the operation relationship of the damper drive device of the air conditioner configured as described above will be described.

When the user grips and pivots the handle 180, the square shaft 125a fixed to the handle 180 rotates along the handle 180, and any rotary gear 131a fixed to the square shaft 125a is rotated. To rotate.

When one of the rotary gears 131a rotates as described above, the upper and lower rotary gears 131 geared to the rotary gear 131a and the other rotary gears 131 geared to the upper and lower rotary gears 131 rotate simultaneously. do. As all the rotary gears 131 rotate, the square shaft 125 fastened to the center of each rotary gear 131 also rotates, and each blade 120 to which the square shaft 125 is fixed rotates the square shaft 125. Rotate accordingly. Here, the rotation directions of the rotary gears 131 geared to each other rotate in opposite directions to each other. Therefore, the long groove 142 of the first stopper 140 and the protrusion 132 of the rotary gear 131 guide the rotation of the respective rotary gears 131 to the blade 120 according to the rotation direction of each rotary gear 131. Are simultaneously rotatable at the same rotational angular velocity.

As described above, when all the rotary gears 131 rotate, the protrusion 132 of the rotary gear 131 moves along the long groove 142 formed in the first stopper 140, and the protrusion 132 is the long groove 142. Interfering with both ends of the rotation of the rotary gear 131 is stopped.

Each of the blades 120 is rotated at the same time by the operation of the handle 180 of the user, when the plane of each of the blades 120 is located perpendicular to the direction of the air flow, the discharge port and the suction port 3 is closed, on the contrary The discharge port and the suction port 3 are completely opened when positioned in parallel with the advancing direction of the air. Then, the degree of opening is controlled according to the rotation angle of the blade 120 to control the amount of air discharged and sucked, and at the same time control the airflow.

Meanwhile, the rubber packing 122 fixed to both ends of the width of the blade 120 in the state in which each blade 120 closes the discharge port and the suction port 3 is the rubber packing 122 fixed to the other blade 120. Is interfered with. When the blade 120 rotates to close the discharge port and the suction port 3, both end surfaces of the blade 120 are in close contact with the convex portion of the jam chamber 150.

As such, when each blade 120 rotates to close the discharge port and the suction port 3, the rubber packings 122 interfere with each other along the longitudinal direction of each blade 120, and both ends of the blade 120 Since it is in close contact with the jam chamber 150, the discharge port and the suction port 3 are completely closed, thereby completely blocking the flow of air.

On the other hand, in the damper driving device of the present invention described above, the protrusion 132 is formed in the rotary gear 131 and the long groove 142 is formed in the first and second stoppers 140 and 145, but on the contrary, A long groove is formed, and a protrusion is formed on the stopper, so that the protrusion may move along the long groove to sufficiently express the purpose and effect of the present invention.

As described in detail above, the damper driving device of the air conditioner of the present invention has excellent airtightness by blocking the air from flowing between the blade and the jam chamber when the blade rotates to close the discharge port and the intake port so that the air flows between the blade and the jam chamber. Has the advantage.

In addition, the damper driving device of the air conditioner of the present invention can control the rotation of the rotary gear more stably because the projection for guiding the rotation of the rotary gear is inserted into the long groove formed in the stopper to rotate, thus the blade rotation position There is an advantage that the control is made easily.

Although the technical idea of the damper driving device of the air conditioner of the present invention has been described with the accompanying drawings, this is illustrative of the best embodiment of the present invention and is not intended to limit the present invention.

Claims (2)

A plurality of blades rotatably positioned in one direction in parallel to the air discharge port and the air suction port, rotation shafts fixed to both ends of the blades, rotation gears engaged with the rotation shafts of the blades, and interlocked with each other; A stopper positioned between the rotary gear and the blade to control a rotation range of the blade, and fixed along an edge of the air discharge port and the air suction port, and surrounding the rotary gear and the stopper to support the blade. In the damper drive of an air conditioner, One of the one surface of the stopper and the one surface of the rotary gear facing each other is formed with a protrusion, the other side is formed with a long groove along the circumference of the rotary gear is inserted into the long groove, Dampers driving device of the air conditioner, characterized in that both ends of the blade is formed with a convex portion in the blade direction for pressing the blade. The method of claim 1, The sealing member is a jam seal (jamb seal), damper driving device of the air conditioner, characterized in that the stainless steel curved in the width direction along the longitudinal direction.