KR100229486B1 - Refrigerator having air distribution apparatus - Google Patents

Abstract

The present invention relates to a refrigerator having a cooling chamber for cooling and storing food, comprising: a cold air duct provided on a wall surface of the cooling chamber to guide the flow of cold air and having a plurality of cold air discharge openings opened toward the cooling chamber; A plurality of cold air distribution blades rotatably installed at a predetermined place among the plurality of cold air discharge ports; A plurality of shutters capable of opening and closing the remaining cold air discharge ports of the plurality of cold air discharge ports; And a driving means for rotating the respective cold air distribution vanes within a predetermined range and opening and closing the respective shutters. Thereby, the aesthetics in a cooling chamber will improve. In addition, the cold air distribution blades and the shutters can be operated in combination to uniformly distribute cold air in the cooling chamber, and the driving motor can be controlled to control the opening and closing of the shutter, thereby preventing excessive supply of cold air. At the same time, the amount of cold air discharge can be adjusted by operating the open state of the shutter.

Description

Refrigerator with cold air distributor

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a refrigerator. The present invention relates to a refrigerator capable of distributing cold air, which makes it possible to realize a beautiful appearance in a cooling chamber and to realize uniform cooling in the cooling chamber.

In recent years, a refrigerator having a cold air distribution device for evenly distributing cold air discharged into the cooling chamber to maintain a uniform temperature distribution in the cooling chamber has been proposed. A refrigerator having such a cold air distribution device is disclosed in WO 95/27278 filed by the present applicant with the PCT application, and also various types of cold air distribution devices having other configurations have been previously applied.

The refrigerator generally has a cold air duct that guides the flow of cold air and has a cold air outlet opening toward the cooling chamber, and the cold air distribution device is installed adjacent to the cold air outlet in the cold air duct. 7 to 9 are exploded perspective views of the conventional cold air distribution apparatus disclosed in various forms, respectively. The cold air distribution device 110 shown in FIG. 7 is a cold air distribution wing filed by the present applicant with a PCT application, and a drive motor for rotating the rotary shaft 121 and the plurality of cold air distribution blades 111 and the rotary shaft 121. 131 is comprised. The rotating shaft 121 is rotatably installed on the rear side of the refrigerating chamber 3, and the rotating shaft 121 of the driving motor 131 is coupled to the upper portion of the rotating shaft 121. The cold air distribution blades 111 are formed in a plate-shaped body curved in a wave shape with respect to the plane including the axis of the rotation shaft 121, and are spaced apart from each other to correspond to each of the cold air discharge ports 16 along the rotation shaft 121. It is. At the upper and lower ends of each cold air distributing wing 111, a pair of end plates 113 formed of an upper plate 113a and a lower plate 113b is formed, and an intermediate plate is formed between the upper plate 113a and the lower plate 113b. 115 is provided to divide the cold air distribution blade 111 into the first blade portion 117 and the second blade portion 119. Each wing portion 117, 119 is bent to form an S-shaped cross section, and each wing portion 117, 119 of each cold air distribution wing 111 is bent in the opposite direction to each other.

In the refrigerator having the conventional cold air distribution device 110 having such a configuration, when the driving motor 131 rotates the rotation shaft 121 at a low speed, the cold air supplied along the cold air duct 15 is curved of the cold air distribution blades 111. The flow path direction is changed by the formed plate surface, and it spreads to the left and right in a refrigerating chamber, and is discharged. On the other hand, when intensive cooling is necessary for a specific site, the rotating shaft 121 is stopped in accordance with the direction of the cold air distribution blade 111 so that cold air is concentrated discharged toward the site. By such a cold air distribution device 110, it is possible to realize uniform cooling and concentrated cooling in the refrigerating chamber.

Meanwhile, the cold air distributors 141 and 151 as shown in FIGS. 8 and 9 are selected from among cold air distributors previously filed by the present applicant, and a plurality of vertical distribution vanes attached to each cold air outlet 161. 143, the horizontal distribution blade 144, and the drive unit 145 for driving the vertical distribution blade 143 and the horizontal distribution blade 144 in combination. The horizontal distribution blades 144 are installed on the front surface of the cold air discharge port 161 so as to be rotatable up and down with a parallel axis in the horizontal direction. The drive unit 145 has a rotating shaft 146 which is rotatably installed in the vertical direction at the rear of these horizontal distribution blades 143 and a drive cam 147 which is formed coaxially along the axial direction of the rotating shaft 146. The transmission member transmits the rotational force of the driving cam 147 to the horizontal distribution blades 144 and the rotating member 148 to rotate up and down, and the drive motor 149 to rotate the rotating shaft 146. On the other hand, the vertical distribution blade 143 is provided corresponding to the cold air discharge port 161 along the axial direction of the rotating shaft 146.

Thus, the cold air distribution apparatus 141,151 of FIG.8 and FIG.9 which has substantially the same structure has the vertical distribution blade | wing 143 and the transmission member 143 of a mutually different shape. In FIG. 8, a single plate-shaped vertical distributing blade 143 is provided coaxially with the rotation shaft 146, and the tubular transmission member 148 is hinged with each horizontal distributing blade 144 along one side lengthwise direction. And a working protrusion 163 extending toward the driving cam 147. In addition, in FIG. 9, a pair of plate-shaped cold air distribution blades 143 are disposed to face each other with the rotation shaft 146 interposed therebetween, and the electric member 148 hinged to each of the cold air distribution blades 143. And an actuating lever 165 is provided between the drive cam 147 and the drive cam 147 to enable drive transmission.

The cold air distribution devices 141 and 151 of this configuration are operated by driving the drive motor 149 coupled to the rotation shaft 146, and at this time, the vertical distribution wing 143 is 360 with the rotation of the rotation shaft 146 ° rotates, in conjunction with the horizontal distribution wing 144 is rotated up and down in front of the cold air discharge port (161). Accordingly, the cold air from the cold air duct (not shown) is uniformly distributed in the cooling chamber by the combined operation of the vertical distribution blade 143 and the horizontal distribution blade 144. Further, by stopping these vertical distributing blades 143 and horizontal distributing blades 144 in a specific region, more efficient concentrated cooling can be achieved.

By the way, in the conventional refrigerator having such cold air distribution devices 110, 141, and 151, a plurality of cold air discharge ports 161, which must be provided in order to discharge the cold air, are left in the cooling chamber, so that the beauty There is a problem of deterioration. In some cases, the cool air from the cold air duct may be excessively discharged through the cold air discharge port 161 which is always opened. At this time, food may not be stored satisfactorily due to overcooling of the generated cooling chamber.

Accordingly, it is an object of the present invention to provide a refrigerator in which a shutter is provided for intermittently opening and closing the cold air discharge port provided in the cooling chamber in consideration of such a problem in the related art, thereby providing a beautiful appearance in the cooling chamber.

Another object of the present invention is to provide a cold air-distributable refrigerator that can uniformly control the supply of cold air through intermittent opening and closing of the shutter and at the same time distribute the cold air discharged evenly to realize uniform cooling in the cooling chamber.

1 is a front sectional view of a refrigerator having a cold air distribution device according to the present invention;

2 is a side cross-sectional view of FIG.

3 is an exploded perspective view of a cold air distribution device according to the present invention;

Figure 4 is an assembled rear perspective view of Figure 3,

5 and 6 is an enlarged view of a portion of Figure 2, showing an operating state of the cold air distribution device according to the present invention,

7 to 9 are side cross-sectional views of a conventional cold air distribution device, respectively.

<Description of the symbols for the main parts of the drawings>

2, 3: Cooling chamber 5: Intermediate bulkhead

6, 7: door 12a, 12b: evaporator

13a, 13b: cooling chamber fan 15: cold air duct

16a, 16b, 16c: cold air outlet 20: duct housing

21: duct member 30: shutter device

31: rotating shaft 35: drive motor

40: cold air grill member 51: horizontal distribution wing

55: hinge protrusion 60: distribution wing drive unit

61: linkage member 62: distribution wing action projection

63a, 63b, 63c: drive cam 65: cam groove

66: action lever 69: action pin

71: shutter 75: shutter drive unit

76: shutter driving member 79: shutter action projection

According to the present invention, in the refrigerator having a cooling chamber for cooling and storing food, the object is provided on the wall surface of the cooling chamber to guide the flow of cold air and has a plurality of cold air discharge openings opened toward the cooling chamber. Ducts; A plurality of cold air distribution blades rotatably installed at a predetermined place among the plurality of cold air discharge ports; A plurality of shutters capable of opening and closing the remaining cold air discharge ports of the plurality of cold air discharge ports; It is achieved by a refrigerator, characterized in that it comprises a drive means for rotating each of the cold air distribution blades within a predetermined range, and opening and closing the respective shutters.

Here, the drive means, and a single rotary shaft rotatably installed in the cold air duct behind the cold air discharge port; A drive motor for rotating the rotating shaft; A plurality of drive cams provided to correspond to the plurality of cold air discharge ports coaxially along the longitudinal direction of the rotary shaft; A distribution blade driving unit configured to transmit and rotate the rotational movement of the driving cam between the cold air distribution blade and the corresponding drive cam to rotate the cold air distribution blade; And a shutter driver configured to transfer the rotational movement of the drive cam to each of the shutters between the shutters and the corresponding drive cams.

At this time, each of the drive cams, the cam body is provided coaxially and mutually expanded in the radial direction of the cross section of the rotary shaft; It can be simply configured to include a cam groove having a corrugated camp profile of elevating along the cylindrical surface of the cam body, the distribution blade drive unit is disposed in parallel to the rotation axis, the respective cold air distribution along the longitudinal direction An interlocking member hinged to the wing and having a dispensing wing action protrusion projecting toward the rear; The action pin is rotatably supported on a horizontal fixed shaft between the distributing wing action projection of the interlocking member and the driving cam corresponding to one end thereof, the end of which is hinged to the dispensing wing action protrusion and is engaged with the cam groove of the drive cam at the other end. The branch can be configured simply by including an actuating lever. Then, the actuating lever lifts the interlocking member by the actuating pin ascending along the camp profile of the corresponding cam groove when the rotating shaft rotates.

The shutter driving unit may be simply configured as a shutter action protrusion protruding from the rear surface of the shutter toward the corresponding cam groove.

On the other hand, the cooling chamber is partitioned into a plurality of food storage zones arranged in the upper and lower layers; Each cold air outlet is preferably configured to be provided corresponding to each of the food storage area. At this time, the food storage area to which the shutter is attached is provided with a pair of cold air outlets parallel to each other in a horizontal direction; The shutter driving unit further includes a shutter driving member having a horizontal member interconnecting the pair of cold air discharge ports and a vertical member extending downward in a direction orthogonal from the central region of the horizontal member; The shutter action projection may be provided at the end of the vertical member.

The plurality of cold air distributing vanes may be provided as horizontal distributing vanes having pivot axes parallel to each other in a horizontal direction, and the vertical distributing vanes coaxially formed on the rotating shaft rotatably installed at the rear of the plurality of horizontal distributing vanes. If the configuration further includes, it is possible to achieve an effective cold air distribution by the mutual combination operation of the horizontal distribution wing and the vertical distribution wing.

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

1 is a front sectional view of a refrigerator having a cold air distribution device according to the present invention, Figure 2 is a side sectional view of FIG. As can be seen from these figures, the refrigerator 1 having the present cold air distribution device is a pair of cooling chambers divided into a freezing chamber 2 and a refrigerating chamber 3 by an intermediate partition 5 in a substantially rectangular main body. The opening and closing doors 6 and 7 are provided in the opening front of each cooling chamber 2 and 3, respectively.

The refrigerator compartment 3 is provided with a plurality of shelves 8 for placing food to partition the refrigerator compartment 3 into a plurality of food storage areas in the vertical direction. The special refrigeration chamber 18 used for storing the food suitable for a specific temperature range is formed in the upper side of the refrigerating chamber 3, and the vegetable chamber 19 for storing vegetables is formed in the lower side of the refrigerating chamber 3. As shown in FIG.

In the main body 4, a compressor 11, a condenser, a freezer compartment evaporator 12a, and a refrigerator compartment evaporator 12b, which are not shown, are installed to perform a refrigeration cycle, and cold air is generated in each of the evaporators 12a and 12b. A freezer compartment fan 13a and a refrigerating compartment fan 13b are installed above the evaporators 12a and 12b to forcibly blow cold air generated in each of the evaporators 12a and 12b to the freezer compartment 2 or the refrigerator compartment 3.

On the rear wall surface of the refrigerating chamber 3, a duct housing 20 is provided which forms a cold air duct 15 that provides a flow path of cold air from the evaporator 12b. The duct housing 20 includes a duct member 21 for forming cold air ducts 15 to insulate cold air insulated, a front plate 23 attached to the front surface of the duct member 21, and a duct member 21. It consists of a seal plate (25) adhered to the back of the) and a partial cylindrical cold air grill member (40) installed in front of the front plate (23).

The cold air discharge openings 16 which are opened toward the refrigerating chamber 3 are provided in the cold air grill member 40 at predetermined intervals along the longitudinal direction so as to correspond to the storage area of the cooling chamber. In this embodiment, three storage zones divided into upper and lower layers are provided, and a single cold air outlet 16a is formed in the upper storage zone, and a pair of cold air parallel to the horizontal direction in the central and lower storage zones, respectively. The discharge ports 16b and 16c are formed. The front surface of the partial cylindrical cold air grill member 40 is slightly protruded from the rear wall surface of the refrigerating chamber 3 as a whole, so that the cold air flowing through the cold air duct 15 is passed through the respective cold air discharge ports 16a, 16b, and 16c. It is distributed in the refrigerating chamber 3 in a large discharge angle range.

At the rear of the cold air duct 15, a circulation duct 17 connecting the refrigerating chamber 3 and the refrigerator compartment evaporator 12b is formed to be isolated from the cold air duct 15. The cold air blown into the cold air duct 15 by the refrigerating chamber fan 13b is supplied into the refrigerating chamber 3 through each cold air discharge outlet, and the cold air discharged as described above to cool the refrigerating chamber 3 is circulated through the circulation duct 17. Return to the refrigerator compartment evaporator 12b.

Figure 3 is an exploded perspective view of another cold air distribution device according to the present invention, Figure 4 is an assembled rear perspective view of FIG. As can be seen from these figures, the present cold air distribution device 30 includes a plurality of horizontal distribution wings 51 having a rotation axis parallel to the upper cold air discharge port 16a, and a central and lower cold air discharge port 16b. And a shutter 71 which is installed to open and close at each of the 16c, and a driving unit which rotates the horizontal distribution blades 51 vertically and simultaneously opens and closes the shutters 71.

The horizontal distributing blade 51 has a front protrusion and a back cutout corresponding to the cold air discharge port 16a, and has a substantially "∨" shape in which the attachments of the protrusions are cut out, and each of the rotating pins extending laterally from both ends thereof ( 53) is installed. On the other hand, the cold air grill member 40 is provided with a flange portion 45 extending in the orthogonal direction from the rear surface at both longitudinal longitudinal edges thereof, and includes a rotating hole for accommodating the rotation pin 53 in these flange portions 45 ( 47) are arranged opposite each other. The horizontal distribution blades 51 in which the two rotation pins 53 are respectively accommodated in the opposite rotation holes 47 are rotatable vertically in front of the cold air discharge port 16a. The horizontal distribution blades 51 are also provided with hinge protrusions 55 protruding from the edge to the rear.

In addition, the shutter 71 that opens and closes the opening surfaces of the center and lower cold air discharge ports 16b and 16c is a substantially rectangular plate-like body, and forms a smoothly curved plate surface so as to correspond to a front surface protruded inwardly. On the rear surface of the cold air grill member 40, a pair of guide rails 81 are provided on both side edges of the cold air discharge ports 16b and 16c to face each other along the sliding direction of the shutter 71. The guide rails 81 have sliding grooves 83 for receiving the sliding edges of the shutters 71 on opposite surfaces, and the shutters 71 have cold air discharge ports 16b along the sliding grooves 83. , 16c) will slide between the open and closed positions.

On the other hand, the drive unit is provided in the vertical direction to the rear of the cold air discharge ports (16a, 16b, 16c) in the cold air duct rotatable shaft 31, the drive motor 35 for rotating the rotary shaft 31, and the rotary shaft The rotational force of (31) is composed of a dispensing blade driver (60) for switching the vertically displaced movement of the horizontal distributing blade (51) and a shutter driver (75) for switching the sliding opening and closing movement of the shutter (71). The rotary shaft 31 is rotatably received in the lower end of the rotary shaft hole 49 provided in the lower edge of the cold air grill member 40, the drive motor 35 is coupled to the upper end. The drive motor 35 preferably uses a stepping motor capable of controlling forward and reverse rotation and stop angle positions, and is housed in the motor case 27 at the top of the front plate 23.

The dispensing wing drive unit 60 includes a drive cam 63a coaxially installed on the rotation shaft 31, an interlocking member 61 for integrally rotating the horizontal distributing blade 51, and an interlocking member 61. It is rotatably installed between the drive cam (63a) is composed of an actuating lever 66 for elevating the interlocking member 61 in accordance with the rotation of the drive cam (63a). The drive cam 63a has a cam body 64 which is enlarged in the radial direction in cross section and a cam groove 65 having a wave shaped camp profile that moves up and down along the cylindrical surface of the cam body 64.

The interlocking member 61 is disposed in parallel with the rotating shaft 31 between the horizontal distribution blade 51 and the rotating shaft 31. The interlocking member 61 is provided with a plurality of hinge holes at predetermined intervals along the longitudinal direction thereof to receive the hinge protrusions 55 protruding from the horizontal distribution blades 51 so as to be able to swing. When the interlocking member 61 is raised and lowered, each horizontal distribution blade 51 rotates up and down as opposed to the lifting and lowering of the interlocking member 61. The interlocking member 61 also has a dispensing wing action projection 62 extending toward the rotation shaft 31 provided on the rear surface thereof.

On the other hand, the actuating lever 66 has a substantially rectangular plate shape, extending from the rear surface of the cold air grill member 40 in a direction perpendicular to the plate to be fixed between the drive cam (63) and the interlocking member (61) ( 50) is rotatably supported. At one end of the actuating lever 66 is formed a working hole 67 for receiving the dispensing wing action protrusion 62 extending from the interlocking member 61, while the other end is directed toward the drive cam 63a. A protruding working pin 69 is provided. The action pin 69 is engaged with the cam groove 65 of the drive cam 63a to move up and down as the camp profile moves up and down. When the action pin 69 is raised and lowered, accordingly, the opposite end portion which rotates the action shaft 50 in the axis is lifted in the reverse direction, and the interlocking member 61 moves up and down. Thus, the vertical distributing blade 51 can be rotated up and down.

The rotation hole 68 of the action lever 66 is preferably provided to be predetermined eccentric from the center to the action pin side. The reason for this is to increase the vertical rotation angle of the acting hole side with respect to the vertical rotation angle of the acting pin side, and the closer the rotation hole 68 is to the acting pin side, the larger the vertical rotation angle of the acting hole side becomes. . Thus, by properly adjusting the position of the rotary hole 68, it is possible to maximize the vertical rotation of the horizontal distribution blade 51 with respect to the small rotational torque of the action pin side.

On the other hand, the shutter driver 75 is interposed between the drive cams 63b and 63c, the drive cams 63b and 63c and the shutter 71 formed on the rotation shaft 37 to interact with the drive cams 63b and 63c. And a shutter electric member 76 which opens and closes the shutter 71. The drive cams 63a and 63b have a cam body 64 and a cam groove 65 as described above, and are provided corresponding to the center and lower cold air discharge ports 16b and 16c along the axial direction of the rotation shaft 31. have.

The shutter transmission member 76 is composed of a horizontal member 77 in the horizontal direction and a vertical member 76 extending downward from the center region of the horizontal member 77 and has a substantially "T" shape as a whole. Shutters 71 are fixed to both ends of 77, respectively. At the lower end of the vertical member 76, shutter action projections 79 protruding toward the drive cams 63b and 63c are provided. The shutter action projection 79 is engaged with the cam groove 65 of the drive cams 63b and 63c, and when the cam body 64 is rotated, it moves up and down along the camp profile formed by the cam groove 65. Will rotate.

The lifting and lowering motion of the shutter action member 76 is enabled by the lifting and lowering of the shutter action protrusion 79, whereby the shutters 71 on both sides respectively coupled to the shutter drive member 76 are cold air discharge ports 16b, The opening face of 16c can be slidably moved in the vertical direction.

On the other hand, in the cold air distribution apparatus 30 which concerns on this invention, the plate-shaped vertical distribution blade 91 is coaxially provided in the rotating shaft area | region corresponding to the upper cold air discharge port 16a in which the horizontal distribution blade 51 was provided. The vertical distribution blade 91 rotates integrally with the rotary shaft 31 and serves to distribute the cool air discharged into the cooling chamber through the cold air discharge port 16a in the horizontal direction. At the upper and lower ends of the vertical dispensing blade 91, connecting plates 93 are provided which face each other in parallel. They prevent the cold air discharged and guided by the vertical distribution blade 91 from being dispersed in the vertical direction.

With this configuration, FIGS. 5 and 6 are enlarged views of FIG. 2 and show the operating state of the cold air distribution device 30 according to the present invention in detail. The driving motor 35 is intermittently driven by the control signal of the controller, and the driving motor 35 to which the control signal is applied rotates at a predetermined speed to rotate the rotating shaft 31 by 360 °. Then, the vertical distributing blade 91 and the driving cams 63a, 63b, and 63c, which are installed coaxially with the rotation shaft 31, rotate. In this case, the cam grooves of the driving cams 63a, 63b, and 63c are rotated. The action pin 69 of the distribution wing driver 60 engaged with the 65 and the shutter action protrusion 79 of the shutter driver 75 are elevated along the camp profile.

When the action pin 69 is raised and lowered, the interlocking member 61 is raised and lowered by the rotation of the action lever 66. Accordingly, each horizontal distribution blade 51 hinged to the interlocking member 61 is also vertically moved. Will be rotated. At this time, the cold air discharged to the upper cold air discharge port 16a is distributed in the horizontal direction according to the rotation angle position of the vertical distribution blade 91, and in the vertical direction according to the rotation angle position of the horizontal distribution blade 51 on the downstream side. It is distributed and uniformly supplied to the refrigerating chamber.

On the other hand, when the shutter action projection 79 is elevated, the shutter 71 coupled to the shutter transmission member 76 in conjunction with this sliding movement to open and close the cold air outlet 16b, 16c in the center and bottom. In FIG. 5, the state in which the shutter 71 completely opens the cold air discharge ports 16b and 16c and the horizontal distribution blade 51 is upwardly shown, and in FIG. 6, the shutter 71 in the cold air discharge ports 16b and 16c. A horizontal distribution blade 51 is shown which closes and descends.

As described above, in the refrigerator having the cold air distribution device according to the present invention, it is possible to effectively achieve uniform cooling in the refrigerating chamber by the horizontal distribution blades and the vertical distribution blades for guiding the distribution of the cold air discharged from the cold air duct and the shutter. In addition, since the opening and closing movement of the shutter can be controlled by controlling the driving motor, excessive supply of cold air can be prevented, and at the same time, the amount of cold air discharge can be adjusted by manipulating the open state of the shutter. And the excellent effect that the aesthetics in a cooling chamber becomes beautiful is provided.

Claims (8)

In the refrigerator having a cooling chamber for cooling and storing food, A cold air duct provided on a wall surface of the cooling chamber to guide the flow of cold air and having a plurality of cold air discharge openings opened toward the cooling chamber; A plurality of cold air distribution blades rotatably installed at a predetermined place among the plurality of cold air discharge ports; A plurality of shutters provided adjacent to the remaining cold air discharge ports of the plurality of cold air discharge ports to open and close the remaining cold air discharge ports; A rotating shaft rotatably installed in the cold air duct to the rear of the cold air discharge port; A drive motor for rotating the rotating shaft; A plurality of drive cams provided to correspond to the plurality of cold air discharge ports coaxially along the longitudinal direction of the rotary shaft; A distribution wing driver provided between the cold air distribution blade and the corresponding drive cam to convert a rotational movement of the drive cam into a rotational motion of the cold air distribution blade; And a shutter driver provided between the shutters and the respective drive cams to convert the rotational movements of the drive cams to the lifting movements of the shutters so as to open and close the respective cold air discharge ports attached to the shutters. Refrigerator, characterized in that. The method of claim 1, Each drive cam, A cam body which is expanded in the radial direction of the cross section of the rotating shaft and is provided coaxially with each other; And a cam groove having a corrugated camp profile that moves up and down along the cylindrical surface of the cam body. The method of claim 1, The distribution wing drive unit, An interlocking member disposed in parallel with the rotating shaft and hinged to each of the cold air distributing wings along a longitudinal direction, and having a distributing wing action protrusion projecting toward the rear; The action pin is rotatably supported on a horizontal fixed shaft between the distributing wing action projection of the interlocking member and the driving cam corresponding to one end thereof, the end of which is hinged to the dispensing wing action protrusion and is engaged with the cam groove of the drive cam at the other end. Refrigerator comprising a working lever having. The method of claim 3, And the actuating lever lifts the interlocking member by lifting the actuating pin along the camp profile of the corresponding cam groove when the rotating shaft is rotated. The method of claim 1, And the shutter driver includes a shutter action protrusion protruding from a rear surface of the shutter toward a corresponding cam groove. The method according to claim 5, A food storage zone in the cooling chamber to which the shutter is attached is provided with a pair of cold air outlets parallel to each other in a horizontal direction; The shutter driver, And a shutter transmission member having a horizontal member interconnecting the pair of cold air discharge ports, and a vertical member extending downward in an orthogonal direction from a central region of the horizontal member; The refrigerator characterized in that the shutter action projection is provided at the end of the vertical member. The method of claim 1, And the plurality of cold air distribution blades are horizontal distribution blades having pivot axes parallel to each other in a horizontal direction. The method of claim 7, wherein And a vertical distribution wing formed coaxially with the rotation shaft rotatably installed at the rear of the plurality of horizontal distribution blades.

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