KR100277588B1 - Refrigerator - Google Patents

Abstract

The present invention relates to a refrigerator. A refrigerator according to the present invention includes a main body having a cooling chamber, a door for opening and closing a front opening of the cooling chamber, an ice tray provided in the cooling chamber, a baffle for opening and closing an ice discharge port provided at the front of the door, Pressurizes the baffle to open and open the ice discharge port; and an operating lever to open and close the baffle in a return direction to block the ice discharge port, and to move in synchronization with the rotation of the baffle. With a rack; A pinion that rotates in engagement with the rack; Damping means connected to the pinion so as to be integrally rotatable with the pinion to lower the rotational speed of the pinion; A guide arm disposed in parallel with the rack; A guide member having an open transfer guide path disposed on one side and a return transfer guide formed on the other side of the open transfer guide is formed to communicate with the open transfer guide, and guide the guide arm along a return transfer path. Characterized in that it comprises a guide means to. As a result, a refrigerator which can reduce component costs and improve reliability is provided.

Description

Refrigerator

The present invention relates to a refrigerator, and more particularly, to open and close a main body having a cooling chamber, a door for opening and closing a front opening of the cooling chamber, an ice tray provided in the cooling chamber, and an ice discharge port provided at the front of the door. It relates to a refrigerator having a baffle, an opening lever for pressing the baffle to open the ice discharge port, and an operation lever for opening and closing the baffle in a return direction in which the baffle blocks the ice discharge port.

The refrigerator has a main body in which a freezer compartment and a refrigerating compartment are formed with an intermediate partition therebetween, and a freezer compartment door and a refrigerating compartment door that open and close front openings of the freezer compartment and the refrigerating compartment. Some of these refrigerators are provided with a dispenser on the front of the door to provide an ice tray in the freezer compartment and a water storage tank in the refrigerating compartment to supply ice and water to the outside.

5 is an enlarged exploded perspective view of a dispenser region of a conventional refrigerator, FIG. 6 is a side cross-sectional view of the operating lever region of FIG. 5, and FIG. 7 is an enlarged side cross-sectional view of the pneumatic cylinder of FIG. 5. As shown in these figures, the freezing chamber door 107 has a door outer plate 119 forming an appearance and a door inner plate 121 spaced apart from the door outer plate 119 at a filling interval of the heat insulating material. Door caps (not shown) are coupled to upper and lower ends of the outer plate 119 and the door inner plate 121 to be coupled to block the upper and lower ends.

An opening 120 is formed in the central region of the door outer plate 119, and the dispenser accommodating part 124 recessed from the plate surface is formed in the door inner plate 121 corresponding thereto. The dispenser accommodating part 124 is coupled to the dispenser case 125 having a substantially rectangular cylindrical shape, and a dispenser cover 122 having an operation panel 123 for operating an apparatus is formed on the front side of the dispenser case 125. Are combined.

A cylindrical ice guide member 127 is formed in the upper region of the dispenser case 125. An ice discharge port 129 is formed at the end of the ice guide member 127, and the support bracket 130 is coupled to the front edge of the ice discharge port 129, and the support pin 130 has a pivot pin 133. Baffle 131 for rotating and opening the ice discharge port 129 is coupled to the axis. The pivot pin 133 of the baffle 131 is coupled with a spring 135 for applying an elastic force to the baffle 131 in the direction in which the baffle 131 blocks the ice discharge port 129.

On the other hand, the baffle 131 is coupled to the operation lever 137 so that the baffle 131 is spaced apart from the ice discharge port 129 so that the ice discharge port 129 is open, and rotatable, on one side of the operation lever 137 A locking pin 141 protruding parallel from the rotation shaft 139 and parallel to the rotation shaft 139 is formed. The locking pin 141 applies resistance to the rotation of the operating lever 137 so that the ice can be completely discharged from the ice discharge port 129 during the return direction rotation in which the baffle 131 rotates to block the ice discharge port 129. The pneumatic cylinder mechanism 143 is coupled.

The pneumatic cylinder mechanism 143 has a cylindrical cylinder 145 and a piston 147 accommodated to slide in the cylinder 145. The piston rod 149 is coupled to the piston 147, and the other end of the piston rod 149 is coupled to the locking pin 141 of the operation lever 137 so as to be relatively movable. The piston 147 is provided with an air passing hole 151 along the shaft center, and the air passing hole 151 is opened and closed by a blocking member 153 provided at the end of the piston rod 149.

By such a configuration, when the operation lever 137 is pressurized inwardly, the operation lever 137 rotates about the rotation shaft 139 by the shaft, whereby the baffle 131 rotates the ice pin 133 around the ice discharge port 129. Rotate so as to be spaced apart from) so that the ice discharge port 129 is opened. When the operation lever 137 is released from pressure, the operation lever 137 rotates the rotation shaft 139 back to the axis. At this time, the pneumatic cylinder mechanism 143 coupled to the locking pin 141 of the operation lever 137 is rotated. ) Adds resistance to the return rotation of the operation lever 137. That is, the air passing hole 151 of the piston 147 is opened at the time of the open rotation of the operation lever 137 to smoothly rotate the operation lever 137, and the air passage at the time of the return rotation of the operation lever 137. The ball 151 is blocked by the blocking member 153 to compress the air to apply resistance to the return rotation of the operating lever 137.

By the way, in such a conventional refrigerator, a pneumatic cylinder mechanism that resists rotation of the operating lever so that ice can be completely discharged from the ice discharge port is dependent on imports, and the purchase cost is relatively high, and the inner diameter of the cylinder Since the outer diameter portions of the piston are in sliding contact with each other, the airtightness may be degraded as the service period elapses. Therefore, when the airtightness is lowered, there is a problem that it is difficult to maintain a constant return rotation speed of the operation lever, which may lower the reliability of the product.

Accordingly, it is an object of the present invention to provide a refrigerator which can reduce component costs and improve reliability.

1 is a perspective view of a refrigerator according to the present invention;

2 is an exploded perspective view of the dispenser region of the refrigerator of FIG. 1;

3 and 4 are views for explaining the operation of the rack and the guide arm, respectively,

5 is an exploded perspective view of a dispenser area of a conventional refrigerator;

6 is a side cross-sectional view of the operating lever installation area of FIG. 5;

7 is an enlarged cross-sectional view of the pneumatic cylinder mechanism of FIG. 5.

* Explanation of symbols for the main parts of the drawings

1: body 3: freezer

5: refrigerating chamber 25: dispenser case

29 ice outlet 31 baffle

37: operation lever 40: rack

41: pinion 43: damping means

45: guide arm 47: guide roller

49: guide member 51: open transfer guide

53: return transfer guide 55: guide member

57: guide surface

According to the present invention, there is provided a main body having a cooling chamber, a door for opening and closing a front opening of the cooling chamber, an ice tray provided in the cooling chamber, and a baffle for opening and closing an ice discharge port provided at the front of the door; And a control lever for pressing the baffle to open and close the baffle to open the ice discharge port, and the operation lever to open and close the baffle in a return direction to block the ice discharge port. A rack movable in linkage, a pinion rotating in engagement with the rack, damping means connected to the pinion so as to be integrally rotatable with the pinion, and reducing rotational speed of the pinion; The guide arm is formed, and the open transfer guide path disposed on one side and the other side of the open transfer guide path. Provided with a guide member having returned to the conveying guide is formed to communicate with the open conveying guide, and is achieved by a refrigerator comprising a guide means to be moved guided along the return conveyance path of the guide arm.

Here, the guide means, it may be desirable to include a guide roller rotatably installed in the end region of the guide arm to move along the open transfer guide path and the return transfer guide path.

In addition, the guide means, it may be effective to further include a guide member which is installed to be rotatable at the end position of the return transfer guide path to guide the guide roller to the open transfer guide path.

In addition, it is preferable that a guide surface inclined downward with respect to the return direction of the guide roller is formed at the end position of the open transfer guide path of the guide rib formed between the return transfer guide path and the open transfer guide path.

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

1 is a perspective view of a refrigerator according to the present invention, FIG. 2 is an enlarged exploded perspective view of the dispenser area of the refrigerator of FIG. 1, and FIGS. 3 and 4 are views for explaining the operation of the rack and the guide arm, respectively. As shown in these drawings, the refrigerator according to the present invention includes a main body 1 having a freezer compartment 3 and a refrigerating compartment 5 formed at right and left sides with an intermediate partition 2 interposed therebetween, and the front openings thereof rotated. It has a freezing chamber door 7 and a refrigerating chamber door 9 respectively coupled to the front left and right regions of the main body 1 to open and close.

In the upper region of the refrigerating compartment 5, a plurality of shelves 10 are installed along the vertical direction to divide the space in the refrigerating compartment 5, and the lower region of the refrigerating compartment 5 can store and store vegetables and fruits. A plurality of storage drawers 12 are provided. Behind these drawers 12, a water storage tank (not shown) is installed to store water.

An ice making tray 13 for ice making is installed in an upper region of the freezing compartment 3, and an ice storage container 15 is provided below the ice making tray 13 to store ice that has been de-iced from the ice making tray 13. ) Is provided. An ice passage opening 17 is formed on the lower front surface of the ice storage container 15 to penetrate the plate surface so that the ice stored in the ice storage container 15 can be discharged.

On the other hand, the freezer door 7 has a door outer plate 19 to form an appearance and a door inner plate 21 spaced apart from the door outer plate 19 at a filling interval of the heat insulating material, and the door outer plate 19 and the door are spaced apart from each other. Door caps (not shown) are coupled to upper and lower ends of the inner plate 21 to be coupled to block the upper and lower ends.

An opening 20 is formed in the central region of the door outer plate 19 through the plate surface, and the dispenser accommodating portion 24 recessed from the plate surface is formed in the door inner plate 21 corresponding thereto. The dispenser accommodating part 24 is coupled with a dispenser case 25 having a substantially rectangular cylindrical shape, and a dispenser cover 22 having an operation panel 23 for operating an apparatus is formed on the front side of the dispenser case 25. Are combined.

In the central region of the dispenser case 25, a supply space 26 recessed from the plate surface is formed, and in the upper region, a cylindrical ice guide member 27 for guiding the ice from the ice passage opening 17 is formed. . The support bracket 30 is coupled to the front edge of the ice discharge port 29 formed at the end of the ice guide member 27, and the support bracket 30 is connected to the ice discharge port 29 with the pivot pin 33 as the axis. The baffle 31 which opens and closes is rotatably coupled. The pivot pin 33 of the baffle 31 is coupled with a spring 35 for applying an elastic force to the baffle 31 in the direction in which the baffle 31 blocks the ice discharge port 29.

The baffle 31 is coupled to the operation lever 37 so that the baffle 31 is spaced apart from the ice discharge port 29 so that the ice discharge port 29 is opened, and the operation lever 37 is provided at the rear side of the operation lever 37. An open detecting switch 38 for contacting 37 and detecting rotation of the operating lever 37 is protruded toward the operating lever 37.

On the other hand, one side of the baffle 31 is formed with a rack 40 protruding toward the front, the lower side of the rack 40 is coupled to the pinion 41 is engaged with the rack 40. The rotation shaft of the pinion 41 is provided with damping means 43 for applying resistance to the rotation of the pinion 41. On the upper side of the rack 40 is arranged side by side with the rack 40, the guide arm 45 is formed to slide in conjunction with the rotation of the baffle 31, the guide arm (45) in the end region of the guide arm ( A guide roller 47 having a rotating shaft formed transversely in the longitudinal direction of 45 is rotatably coupled.

The guide roller 47 is an opening transfer guide path 51 which is contacted during the opening rotation in which the baffle 31 is spaced apart from the ice discharge port 29 around the pivot pin 33 and rotated so that the ice discharge port 29 is opened. And the baffle 31 are accommodated in the guide member 49 having the return transfer guide path 53 which is contacted at the time of the return rotation blocking the ice discharge port 29.

A guide rib 52 for guiding the guide rollers 47 is formed between the return transfer guide path 53 and the open transfer guide path 51 of the guide member 49, and the return direction of the guide rib 52 is formed. The guide roller 47 is guided to the open transfer guide 51 at the end position of the guide roller, and when the guide roller 47 passes from the return transfer guide 53 to the open transfer guide 51, it rotates upward. When the guide roller 47 enters the open transfer guide 51, the induction member 55 is rotated downward so that the end thereof contacts the return transfer guide 53.

In addition, a guide surface 57 is formed at an end position of the open transfer guide path 51 so as to be inclined downward with respect to the return transfer direction so that the guide roller 47 can smoothly enter the return transfer guide path 53. It is.

By this configuration, when the operating lever 37 is pressurized inward to open the pivot shaft 39 to the shaft, the baffle 31 in contact with the operating lever 37 opens the pivot pin 33 to the shaft. Done. At this time, the guide roller 47 coupled to the guide arm 45 is moved upward along the guide member 55 to be guided along the open transfer guide 51 and spaced apart from the guide arm 45 at a predetermined interval. The racks 40 arranged in parallel are also pivoted upward and linearly spaced apart from the pinion 41 by a predetermined interval.

When the operation lever 37 is released from pressure, the baffle 31 is rotated by the spring 35 coupled to the pivot pin 33 of the baffle 31. At this time, the guide roller 47 is opened. Along the downwardly inclined guide surface 57 formed at the end of the transport guide 51 enters the return transport guide 53. Then, the rack 40 arranged side by side with the guide arm 45 is rotated downward to slide in engagement with the pinion 41. Damping means 43 rotatably connected to the rotation axis of the pinion 41 applies a resistance to the rotation of the pinion 41 to apply a resistance to the sliding movement of the rack (40). As a result, the baffle 31 rotates at a predetermined delay speed to block the ice discharge port 29.

The guide roller 47 enters and stops in the open transfer guide 51 while pushing up the guide member 55 rotatably installed at the end position of the return transfer guide 53 to move upward. Is rotated downward to contact the return transfer guide (53).

In this way, the rack sliding sliding in conjunction with the rotation of the baffle, the pinion to rotate in engagement with the rack, the damping means connected to the pinion so as to be rotatable integrally with the pinion to lower the rotational speed of the pinion, and The guide arm is formed in parallel with the rack and guide means for guiding the guide arm along the return transfer path to interact with each other so that the baffle rotates back with a predetermined delay speed to block the ice discharge port. You can do that. The rack and pinion and the damping means are relatively simple in configuration and easy to manufacture, and can be easily purchased at low cost, thereby reducing component costs.

As described above, according to the present invention, there is provided a refrigerator capable of reducing component costs and improving reliability.

Claims (4)

A main body having a cooling chamber, a door for opening and closing the front opening of the cooling chamber, an ice tray provided in the cooling chamber, a baffle for opening and closing the ice discharge port provided at the front of the door, and the baffle being pressed A refrigerator having an opening direction for opening the ice discharge port and an operation lever for opening and closing the baffle in the return direction in which the baffle blocks the ice discharge port, A rack movable in linkage with the rotation of the baffle; A pinion that rotates in engagement with the rack; Damping means connected to the pinion so as to be integrally rotatable with the pinion to lower the rotational speed of the pinion; A guide arm disposed in parallel with the rack; A guide member having an open transfer guide path disposed on one surface and a return transfer guide path formed to communicate with the open transfer guide path is provided on the other side of the open transfer guide path, and the guide arm is moved along the return transfer path. Refrigerator comprising a guide means for guiding movement. The method of claim 1, And the guide means is rotatably installed in an end region of the guide arm and includes a guide roller moving along the open transfer guide path and the return transfer guide path. The method according to claim 1 or 2, The guide means, the refrigerator is characterized in that it further comprises a guide member which is rotatably installed at the end position of the return transfer guide path to guide the guide roller to the open transfer guide path. The method of claim 3, And a guide surface inclined downward with respect to the return direction of the guide roller at the end position of the open transfer guide path of the guide rib formed between the return transfer guide path and the open transfer guide path.

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