KR980010174A - Automatic opening and closing device of air intake unit of air conditioner - Google Patents

Abstract

The automatic opening and closing apparatus of an air conditioner according to the present invention is characterized in that the air conditioner is provided with a blade function capable of closing the suction area while the angle of opening and closing is changed by a driving source so that dust, A slider means (150) of the suction grill body (100) comprises a plurality of door means (160) when the slider means (150) receives power and descends, Slider means 170 is provided at the upper end of the slider means 150 so as to restrain the uppermost door means 160 from being separated from the effective stroke, It is possible to make the appearance of the air conditioner at the same time clear and at the same time to prevent the dust and foreign substances in the room from flowing through the suction port, It is possible not only to clean the state but also to suppress the bacterial habit and to reduce the suction air volume when the air conditioner is operated, thereby improving the cooling ability and improving the cleanliness of the room air.

Description

Automatic opening and closing device of air intake unit of air conditioner

1 is a perspective view showing an indoor unit of an air conditioner according to a related art;

Figure 2 is a longitudinal section view of Figure 1;

FIG. 3 is a perspective view explaining a part of a suction grill body according to the present invention. FIG.

FIG. 4 is an exploded perspective view showing a main part of the automatic opening / closing device of the suction opening according to the present invention; FIG.

FIG. 5 is a side view of the main portion showing the engagement relationship with the uppermost door means when the sub-slider means according to the present invention is lifted. FIG.

FIG. 6 is a side view of the main part showing the coupling relation between the uppermost side and the door means when the sub-slider means according to the present invention is lowered.

DESCRIPTION OF THE REFERENCE NUMERALS

100: suction grill body 110: grill side frame

120: guide means 130: interval maintaining means

140: driving means 150: slider means

153: guide portion 153a: guide projection

153b: Elastic projection 153c: Support projection

160: Door means 170 ': Sub-slider means

171: slot groove 172: guide rail

173: coupling groove 174: support groove

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner inlet opening automatic opening and closing apparatus, and more particularly, to an automatic opening and closing apparatus for an air inlet opening of an air conditioner in which an uppermost side blade does not deviate from an effective stroke distance of a slider link during operation.

As shown in FIG. 1, the front panel 3 is disposed on the front surface of the cabinet 1 so as to form an outer appearance. When the indoor air is sucked into the indoor unit, A suction port 5 is formed on the lower side of the front panel 3.

A discharge port 7 is formed above the front panel 3. An operation section 9 is provided on the lower side of the front panel 3 to operate the air conditioner.

The suction port 5 is provided with a suction grille body 11 having a plurality of through holes 11a so as to connect the suction port 5 to the suction port 5 while protecting the suction port 5 from the outside, The discharge port 7 is provided with a plurality of wind direction up and down control plates 13 and wind direction right and left control plates 15 for controlling the flow of the air discharged into the room through the discharge port 7 in the up and down and left and right directions.

2, an air filter 17 is provided on the inner side surface of the suction grille body 11 to filter various foreign substances floating in the air flowing into the indoor unit from the suction port 5 And a control means 19 is provided on the inner surface of the operating portion 9 so as to control the air conditioner itself.

A heat exchanger (21) is provided behind the intake port (5) in the interior of the indoor unit so as to heat-exchange the air sucked into the indoor unit through the suction port (5) into cold air. The blowing fan 23 is fixed to the inner side of the cabinet 1. The blowing fan 23 is installed on the upper side of the cabinet 1 so as to increase the flow of air, Is provided in the duct (27).

When the operating signal is transmitted to the control means 19 by operating the operating portion 9 to operate the indoor unit of the air conditioner according to the related art, And the outdoor unit (not shown) operate simultaneously.

That is, when the motor 25 installed in the indoor unit side is driven with power supplied thereto, the room air is formed in the suction grille body 11 by the blowing force of the blowing fan 23, which is rotated in accordance with the driving force of the motor 25 Various kinds of foreign substances floating in the air are filtered while being sucked into the suction port 5 through the plurality of through holes 11a and passing through the air filter 17 provided on the inner surface of the suction grille body 11. [

The filtered air is sucked into the lower portion of the indoor unit through the suction port 5 and passes through the heat exchanger 21 so that the filtered air comes into contact with the surface of the heat exchanger 21 through which the refrigerant circulates during the operation of the outdoor unit, .

In addition, the heat-exchanged air is guided by the duct 27 as indicated by the dotted line in FIG. 2 to flow upward into the indoor unit and discharged to the room through the dicing mouth 7, The indoor temperature is cooled to a low temperature by being discharged in a desired direction of the room according to the angle of the air flow between the plurality of wind direction upper and lower throttle plates 13 and the wind amount left and right throttle plates 15. [

However, according to the conventional indoor unit of the air conditioner constructed as described above, although the air filter 17 is provided, the suction grille body 11 is provided with a plurality of through holes 11a, The external appearance of the air conditioner can not be recognized at the same time. In addition, since dust and foreign substances in the room are stacked on the air filter 17 through the plurality of through holes 11a, In addition, when the air conditioner is operated without cleaning the air filter (17) and the suction port (5), dust and foreign matter deposited on the air filter (17) The degree of cleanliness of the product is lowered.

SUMMARY OF THE INVENTION It is therefore an object of the present invention to provide an air conditioner which is excellent in appearance and can prevent dust and foreign matter from entering the room through the suction port, The automatic air inlet opening / closing device of the air conditioner which can improve the air conditioning ability and the indoor air cleanliness by eliminating the deterioration of the suction air volume when the air conditioner is operated, .

In order to achieve the above object, an automatic opening and closing apparatus for an air conditioner of an air conditioner according to the present invention is characterized in that an opening angle is changed by a driving source so that dust and foreign matter do not flow through a suction area of the air conditioner at the same time, Wherein the slider means of the suction grille body is operated to descend by receiving the power, the uppermost door of the plurality of door means, Slider means for moving up and down by a spring action and a pressing pressure on the upper end of the slider means so as to restrain the means from being separated from the effective stroke.

Hereinafter, an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

In the drawings, the same components as those of the conventional configuration are denoted by the same reference numerals and symbols, and a detailed description thereof will be omitted.

Reference numeral 100 denotes a suction grill body having a blade function and a door function capable of closing the suction area while the angle of opening and closing is changed by the driving source so that dust or foreign matter or the like is not introduced through the suction area of the air conditioner at the same time It is a tatta.

3 and 4, the suction grill body 100 is provided with a pair of grill side frames 110 detachably attached to the left and right outer front faces with respect to the area of the suction port 5, A pair of guide means 120 provided on the inner side of the side frame 110 and a pair of guide means 120 installed between the upper ends of the pair of grill side frames 110 such that the upper ends of the pair of grill side frames 110 are maintained at regular intervals A driving means 140 installed between the lower ends of the pair of guiding means 120 so that the lower ends of the pair of guiding means 120 are maintained at a constant interval and are driven by power supply, A pair of slider means 150 provided on the outer surface of the pair of guide means 120 so as to move up and down according to the driving of the driving means 140, The lifting force of the slider means 150 A plurality of door means 160 hinged to the inner side surface of the pair of guide means 120 so as to open and close the suction area while being simultaneously rotated up and down according to the rotation of the pair of slider means 150, The uppermost door unit 160 of the plurality of door units 160 can be operated vertically movably at the upper end of a pair of slider units 150 so that the door unit 160 can be operated simultaneously with the other door units 160 without departing from the effective stroke distance. The slider means 170 is constituted.

At this time, the pair of guide means 120 includes a pair of filter guide rails 121 integrally projected to the inner side rear side so that the air filter 17 is vertically detachably inserted into the upper portion of the air filter 17, A plurality of hinge grooves 122 formed in a circular shape so as not to penetrate the upper and lower sides of the inner side surfaces of the door 160 so as to be hinge- A plurality of guide holes 123 are formed through the hinge grooves 122, which are spaced apart from each other at the center of both side surfaces thereof, at predetermined regular intervals so as to be vertically pivotable with a predetermined stroke distance .

The driving unit 140 includes a motor 141 installed at the lower side of the inner surface of one of the pair of the guiding units 120 and a pinion fixed to both ends of the motor unit 141, And a rotation shaft 143 provided between the lower ends of the pair of guide means 120 for simultaneously rotating the guide members 142.

At this time, the pinion 142 is press-fitted and fixed to both ends of the rotation shaft 143 so that the outside name is protruded through the inner surface of the pair of guide means 120.

The pair of slider means 150 is gear-engaged with a pinion 142 fixed to both ends of the rotating shaft 143 of the driving means 140 so as to convert the rotational motion of the pinion 142 into a linear motion, And a plurality of door means 160 hinged to the intermediate ends of the side surfaces of the plurality of door means 160 passing through the plurality of guide holes 123 formed in the pair of guide means 120, A plurality of slot holes 152 respectively formed at upper and lower ends of the guide holes 123 so as to correspond to the plurality of guide holes 123 with respect to the front ends of both side surfaces thereof so as to vertically rotate the sub- The upper ends of the pair of slider means 150 are moved upward by the pressing force of the pair of slider means 150, The guide portion 153 formed on each side is composed.

The rack gear portion 151 is provided with an upper stopping hook 151a so as to prevent the pinion 142 from being detached when the pair of slider means 150 is linearly moved by the rotation of the pinion 142 And is integrally projected.

An upper portion of the uppermost slot 152 of the plurality of slot holes 152 is formed so as to be separated from the second hinge shaft, which will be described later, formed on the door unit 160 to be deviated to the outside.

The guide unit 153 includes a guide protrusion 153a protruding integrally and symmetrically on the upper and lower sides of the sub-slider unit 170 so as to linearly reciprocate the sub-slider unit 170 in the vertical direction, An elastic protrusion 153b partially protruding from a middle height of the outer side surface so as not to be separated from the pair of slider means 150 while restraining the upper effective stroke, And a support protrusion 153c integrally projected at an intermediate height of the outer surface of the spring 180 to support the lower end of the spring 180 provided between the spring 150 and the spring 180.

The plurality of door means 160 includes a first hinge shaft 161 protruding from the lower ends of both sides of the door so as to be hinged to a plurality of hinge grooves 122 formed in the pair of guide means 120, A second hinge shaft 162 protruding from the intermediate height of the both sides of the second hinge shaft 162 so as to be inserted into the slot hole 152 formed in the pair of slider means 150 through the plurality of guide holes 123 formed in the means 120 Consists of.

The first hinge shaft 161 is shorter than the second hinge shaft 161 so as not to interfere with the pair of slider means 150. The pair of sub-slider means 170 includes a plurality of slot-like grooves 171 formed in the top of the inner side surfaces thereof so as not to extend through the slot holes 152 formed at the upper end of the pair of slider means 150, A guide rail 172 protruding vertically from both ends of the guide protrusions 153a formed on the guide portions 153 of the pair of slider means 150 so as to be slidably engaged with the plurality of guide protrusions 153a, An elongated hole 173 which is formed at an effective stroke distance between the lower end and the middle height so as to be resiliently engaged with the engaging projection 153b protruding from the guide portion 153 of the slider means 150 of the slider 150, A support groove 174 formed between the lower end of the inner side surface and the middle height is formed to support and receive the upper end of the spring 180 provided between the sub-slider means 170 and the pair of slider means 150 All.

Next, the operation and effect of the present invention dominant will be described.

When the power is applied in accordance with the operation of the air conditioner and the motor unit 141 of the driving means 140 installed on the suction grill body 100 is driven, it is engaged with the gear (not shown) of the motor unit 141 The pinion 142 rotates and simultaneously rotates another pinion 142 fixed to the other end by means of the rotating shaft 143. The pinion 142 rotates in the same direction as the rack gear portion 142 formed at the lower end of the pair of slider means 150, The slider means 150 includes a pair of slider means 120 and a plurality of door means 160 hinged to each other in a vertical direction by a pair of slider means 120. [ The plurality of door means 160 closes or opens the area of the inlet 5.

That is, when the slider means 150 is guided by the outer surface of the guiding means 120 and linearly moves upward in accordance with the one-directional driving of the driving means 140, the plurality of slot holes 152 formed in the slider means 150 The second hinge shaft 161 of the plurality of door means 160 inserted into the slot hole 152 is pushed upward in the upward direction through the guide hole 123 of the guide means 120 A plurality of door means 160 are provided on the hinge groove 122 formed in the guarding means 120 and the first hinge shaft 161 protruding from the lower ends of both sides of the door means 160, (Counterclockwise) indicated by the center of the hinge point, thereby closing the area of the inlet 5.

When the slider means 150 is moved to the outer side of the guide means 120 and is linearly moved in the downward direction according to the driving direction of the driving means 140, The second hinge shaft 162 of the plurality of door means 160 inserted into the slot hole 152 penetrates through the guide hole 123 of the guide means 120 while being simultaneously moved downward, A plurality of door means 160 may include a hinge bum 122 formed in the guarding means 120 and a first hinge shaft 161 protruding from the lower ends of both sides of the door means 160, (Clockwise direction) indicated by the center of the hinge point of the suction port 5 and opens the area of the suction port 5.

The sub-slider means 170 installed to move up and down by the guide portion 153 formed on the uppermost outer surface of the slider means 150 moves the second hinge shaft 162 in the upward movement of the slider means 150 The lifting operation is stopped instantaneously at the moment when the guide member 120 reaches the uppermost position of the guide means 120 at the same time by a friction action inserted into the slot groove 171 of the sub slider 170 through the slot hole 152, The slider means 150 is also in contact with the pinion 142 and the engagement protrusion 151a formed on the lower end side of the rack gear portion 151 with respect to the lower end of the net slider means 150 reaching the uppermost end of the guide means 120, The sub slider means 170 is received in the guide portion 153 and the distance between the support protrusions 153c of the guide portion 153 and the support grooves 174 of the sub slider means 170 Thereby compressing the spring 180 housed in the housing 150. Thus, The second hinge shaft 162 of the door means 160 is positioned not to deviate from the slot hole 152 of the slider means 150.

However, when the slider means 150 is lowered, the sub-slider means 170 moves the second hinge shaft 161 through the slot hole 152 and into the slot groove 171 of the sub-slider means 170 The slider 150 is gradually projected to the outside of the uppermost end of the slider means 150 by the frictional action and the elastic force of the spring 180.

At this time, since the slot groove 171 formed on the inner surface of the sub-slider means 170 is located on the extension line coinciding with the upper cut-out portion of the slot hole 152 formed at the uppermost end of the slider means 150, The second hinge shaft 161 of the uppermost door means 160 that deviates from the effective stroke of the slot hole 152 during the descending operation of the slider means 150, The hinge shaft 162 and the slot hole 152 are induced to recombine with each other, thereby blocking the operation failure of the uppermost door means 160 in advance.

As described above, according to the automatic opening and closing apparatus for an inlet of an air conditioner of the present invention, a suction grill body having a blade function and a door function capable of closing the suction area while the opening and closing angle is changed by the driving source is provided Therefore, it is possible to make the appearance of the air conditioner at the same time attractive, and at the same time to prevent the dust and foreign substances in the room from entering through the suction port, to clean the storage condition of the air filter. It is possible to eliminate the deterioration of the air volume and to improve the cooling ability and at the same time to improve the cleanliness of the room air.

Claims (4)

A suction function of a suction grill body having a blade function and a door function capable of closing the suction area while the angle of opening and closing is changed by a driving source so that dust and foreign matter do not flow through the suction area of the air conditioner at the same time, The automatic door opening / closing apparatus according to any one of claims 1 to 3, wherein when the slider means of the suction grille body receives the power and is operated to descend, the uppermost door means of the plurality of door means is restrained so as not to be detached from the effective stroke, And a sub-slider means for moving up and down by pressure. The slider device according to claim 1, wherein the slider means is provided with a guide portion at an upper end thereof so that the sub-slider means is raised upward by an elasticity of the upper end of the slider means, Wherein the air inlet opening / closing device of the air conditioner is provided with an air inlet. The slider device according to claim 2, wherein the guide portion includes a guide protrusion protruded symmetrically about the upper and lower sides of the outer side surface so that the sub-slider means is linearly reciprocated precisely in the vertical direction, And a support protrusion projecting at a middle height of the outer surface of the elastic protrusion so as to support the lower end of the spring provided between the sub-slider means and the slider means Automatic opening and closing device of inlet of air conditioner. The slider device according to claim 1, wherein the sub-slider means is provided with a slot groove formed at an upper end of its inner side so as to extend a slot hole formed at the uppermost end of the slider means, and a plurality of guide projections formed on the guide portion of the slider means A coupling hole formed between the lower end of the guide rail and the middle height so as to be elastically coupled with the elastic protrusion protruding from the guide portion of the slider means, And a support groove formed between the lower end of the inner side surface and the intermediate height so as to support and receive an upper end of a spring provided between the sub-slider means and the slider means. ※ Note: It is disclosed by the contents of the first application.