A refrigerator in which a rotating bar installed to one of a pair of doors is rotated when the other door is opened or closed. The refrigerator includes a rotating bar to seal a gap between doors, and a guide device to guide rotation of the rotating bar. The guide device includes a base having a rec
A refrigerator in which a rotating bar installed to one of a pair of doors is rotated when the other door is opened or closed. The refrigerator includes a rotating bar to seal a gap between doors, and a guide device to guide rotation of the rotating bar. The guide device includes a base having a receptacle, a rotating unit mounted in the receptacle and rotated by a rotating shaft, a ramp structure fixed in the receptacle and having a ramp, a linkage unit linearly movably secured to the rotating unit and connected to the rotating bar so as to be linearly moved on the ramp and rotated along with the rotating unit about the rotating shaft, and an elastic unit supported by the rotating unit and adapted to transmit elastic force to the linkage unit to allow the linkage unit to move on the ramp.
대표청구항▼
1. A refrigerator comprising: a main body;a storage compartment defined within the main body and having an open front side;a door including a first door and a second door rotatably coupled to the main body respectively so as to open or close the open front side of the storage compartment, the second
1. A refrigerator comprising: a main body;a storage compartment defined within the main body and having an open front side;a door including a first door and a second door rotatably coupled to the main body respectively so as to open or close the open front side of the storage compartment, the second door having a protrusion formed at an upper end of a rear surface thereof;a rotating bar rotatably coupled to the first door and having a guide groove formed in the top thereof; anda guide device provided at the main body to guide rotation of the rotating bar,wherein the guide device includes a rotating unit configured to be rotated by a rotating shaft;a linkage unit linearly movably secured to the rotating unit and connected to the rotating bar, the linkage unit being rotated along with the rotating unit about the rotating shaft so as to rotate the rotating bar; andan elastic unit supported by the rotating unit and adapted to allow the linkage unit to be linearly moved and rotated by transmitting elastic force to the linkage unit,wherein if the protrusion rotates the rotating unit as the second door is closed, the rotating bar is rotated by the linkage unit that is rotated along with the rotating unit, thereby sealing a gap between the first door and the second door, andwherein if the second door is opened, the rotating bar is rotated as the linkage unit is linearly moved and rotated by elastic force of the elastic unit, thereby releasing sealing of the gap. 2. The refrigerator according to claim 1, wherein the rotating bar includes: a case that internally defines an accommodation space and has an open side;an insulating member accommodated in the accommodation space;a rotating bar cover coupled to the open side of the case;a metal plate coupled to an exterior of the rotating bar cover; anda heat radiation member placed in a space between the rotating bar cover and the metal plate to prevent condensation on the metal plate. 3. The refrigerator according to claim 2, wherein the guide groove is formed in a top of the case. 4. The refrigerator according to claim 2, wherein the rotating bar is rotatably coupled to the first door via a hinge bracket, and the case has a hinge bracket coupling portion to which the hinge bracket is rotatably coupled. 5. The refrigerator according to claim 1, wherein the guide device further includes: a base having a receptacle in which the rotating unit, the linkage unit, and the elastic unit are accommodated;a cover coupled to the top of the base; andan anti-separation member provided between the cover and the base, the anti-separation member being coupled to a top of the receptacle so as to prevent separation of the rotating unit, the linkage unit, and the elastic unit accommodated in the receptacle of the base. 6. The refrigerator according to claim 5, wherein a ramp structure having a ramp is fixed in the receptacle, and the linkage unit is moved on the ramp and rotated about the rotating shaft. 7. The refrigerator according to claim 6, wherein the rotating unit includes: a contact portion configured to come into contact with the protrusion of the second door;a guide portion configured to guide linear movement of the linkage unit;a rotating hole for penetration of the rotating shaft; anda support portion by which the elastic unit is supported. 8. The refrigerator according to claim 7, wherein the rotating unit is rotated in a counterclockwise direction about the rotating shaft if the protrusion comes into contact with the contact portion to thereby push the contact portion as the second door is closed, thereby causing the linkage unit to be rotated in a counterclockwise direction about the rotating shaft, whereby the rotating bar is rotated by the linkage unit so as to seal a gap between the first door and the second door. 9. The refrigerator according to claim 8, wherein the linkage unit is linearly moved and rotated in a clockwise direction on the ramp by the elastic unit as the protrusion that has pushed the contact portion of the rotating unit is separated from the contact portion if the second door is opened, whereby the rotating bar is rotated by the linkage unit so as to release sealing of the gap. 10. The refrigerator according to claim 9, wherein the linkage unit includes: a head portion configured to come into contact with the ramp and be moved on the ramp;an insertion boss connected to the rotating bar to rotate the rotating bar;a body portion having a movement passage through which the rotating shaft passes to enable linear movement of the linkage unit; anda coupling portion to which the elastic unit is coupled. 11. The refrigerator according to claim 10, wherein the linkage unit is coupled to the elastic unit supported by the support portion of the rotating unit and is linearly moved on the ramp and rotated in a clockwise or counterclockwise direction about the rotating shaft by elastic force of the elastic unit. 12. The refrigerator according to claim 11, wherein the receptacle of the base has a first coupling hole into which the rotating shaft is inserted, a first guide hole through which the insertion boss passes to thereby be inserted into the guide groove, the first guide hole serving to guide the insertion boss to allow the linkage unit to be rotated about the rotating shaft, and a second guide hole configured to outwardly expose the contact portion such that the contact portion comes into contact with the protrusion, the second guide hole serving to guide the contact portion to allow the rotating unit to be rotated about the rotating shaft. 13. The refrigerator according to claim 12, wherein a seating portion is formed in an upper region of the receptacle such that the anti-separation member is seated on the seating portion, and the seating portion and the anti-separation member are respectively provided at corresponding positions thereof with a plurality of fastening holes to couple the anti-separation member and the seating portion to each other. 14. The refrigerator according to claim 13, wherein the anti-separation member has a second coupling hole into which the rotating shaft is inserted. 15. A refrigerator comprising: a main body;a storage compartment defined within the main body and having an open front side;a door including a first door and a second door rotatably coupled to the main body respectively so as to open or close the open front side of the storage compartment;a rotating bar rotatably coupled to the first door and having a guide groove formed in the top thereof, the rotating bar being rotated to seal a gap between the first door and the second door if the door is closed and to release sealing of the gap if the door is opened; anda guide device provided at the main body to guide rotation of the rotating bar,wherein the guide device includes a base having a receptacle therein;a rotating unit mounted in the receptacle so as to be rotated by a rotating shaft;a ramp structure fixed in the receptacle and having a ramp;a linkage unit linearly movably secured to the rotating unit and connected to the rotating bar, the linkage unit being linearly moved on the ramp and rotated along with the rotating unit about the rotating shaft; andan elastic unit supported by the rotating unit and adapted to transmit elastic force to the linkage unit so as to allow the linkage unit to be linearly moved on the ramp. 16. The refrigerator according to claim 15, wherein the second door is provided at an upper end of a rear surface thereof with a protrusion such that the protrusion comes into contact with the rotating unit to rotate the rotating unit when the second door is closed. 17. The refrigerator according to claim 16, wherein if the protrusion rotates the rotating unit as the second door is closed, the rotating bar is rotated by the linkage unit that is rotated along with the rotating unit, thereby sealing the gap between the first door and the second door, and wherein if the second door is opened, the rotating bar is rotated as the linkage unit is linearly moved and rotated by the elastic unit, thereby releasing sealing of the gap. 18. The refrigerator according to claim 17, wherein the guide device further includes: a cover coupled to a top of the base; andan anti-separation member provided between the cover and the base and coupled to a top of the receptacle so as to prevent separation of the rotating unit, the ramp structure, the linkage unit, and the elastic unit accommodated in the receptacle of the base. 19. The refrigerator according to claim 18, wherein the rotating unit includes: a contact portion configured to come into contact with the protrusion of the second door;a guide portion configured to guide linear movement of the linkage unit;a rotating hole for penetration of the rotating shaft; anda support portion by which the elastic unit is supported. 20. The refrigerator according to claim 19, wherein the rotating unit is rotated in a counterclockwise direction about the rotating shaft if the protrusion comes into contact with the contact portion to thereby push the contact portion as the second door is closed, thereby causing the linkage unit to be rotated in a counterclockwise direction about the rotating shaft. 21. The refrigerator according to claim 20, wherein the linkage unit includes: a head portion configured to come into contact with the ramp and be moved on the ramp;an insertion boss connected to the rotating bar to rotate the rotating bar;a body portion having a movement passage through which the rotating shaft passes to enable linear movement of the linkage unit; anda coupling portion to which the elastic unit is coupled. 22. The refrigerator according to claim 21, wherein the rotating unit is rotated in a counterclockwise direction about the rotating shaft if the protrusion comes into contact with the contact portion to thereby push the contact portion as the second door is closed, thereby causing the linkage unit to be rotated in a counterclockwise direction about the rotating shaft, whereby the rotating bar is rotated by the linkage unit so as to seal a gap between the first door and the second door, and wherein the linkage unit is linearly moved and rotated in a clockwise direction on the ramp by the elastic unit as the protrusion that has pushed the contact portion of the rotating unit is separated from the contact portion if the second door is opened, whereby the rotating bar is rotated by the linkage unit so as to release sealing of the gap. 23. The refrigerator according to claim 22, wherein the receptacle of the base has a first coupling hole into which the rotating shaft is rotatably inserted, a first guide hole through which the insertion boss passes to thereby be inserted into the guide groove, the first guide hole serving to guide the insertion boss to allow the linkage unit to be rotated about the rotating shaft, and a second guide hole configured to outwardly expose the contact portion such that the contact portion comes into contact with the protrusion, the second guide hole serving to guide the contact portion to allow the rotating unit to be rotated about the rotating shaft. 24. A refrigerator comprising: a main body;a storage compartment defined within the main body and having an open front side;a door including a first door and a second door rotatably coupled to the main body respectively so as to open or close the open front side of the storage compartment, the second door having a protrusion formed at an upper end of a rear surface thereof;a rotating bar rotatably coupled to the first door and having a guide groove formed in the top thereof; anda guide device provided at the main body to guide rotation of the rotating bar,wherein the rotating bar is rotated to seal a gap between the first door and the second door if the first door is closed,wherein the rotating bar is rotated to release sealing of the gap between the first door and the second door if the second door is opened in a closed state of the first door, andwherein the rotating bar is rotated to seal the gap between the first door and the second door if the second door is closed in a closed state of the first door. 25. A refrigerator comprising: a main body;a storage compartment defined within the main body and having an open front side;a first door rotatably coupled to the main body so as to open or close a part of the open front side of the storage compartment, wherein a rotating bar is rotatably coupled to the first door;a second door rotatably coupled to the main body so as to open or close a part of the open front side of the storage compartment, wherein the second door rotates the rotating bar via opening/closing thereof; anda guide device provided at the main body to guide rotation of the rotating bar such that the rotating bar seals a gap between the first door and the second door or releases the sealing as the second door is opened or closed. 26. The refrigerator according to claim 25, wherein the guide device includes: a base having a receptacle therein;a rotating unit mounted in the receptacle so as to be rotated by a rotating shaft;a ramp structure fixed in the receptacle and having a ramp;a linkage unit linearly movably secured to the rotating unit and connected to the rotating bar, the linkage unit being rotated along with the rotating unit about the rotating shaft so as to rotate the rotating bar; andan elastic unit supported by the rotating unit and adapted to transmit elastic force to the linkage unit so as to allow the linkage unit to be linearly moved and rotated. 27. The refrigerator according to claim 26, wherein the second door is provided with a protrusion such that the protrusion comes into contact with the rotating unit to rotate the rotating unit in a counterclockwise direction about the rotating shaft when the open second door is closed, and the linkage unit is rotated in a counterclockwise direction about the rotating shaft simultaneously with rotation of the rotating unit so as to rotate the rotating bar such that the rotating bar seals the gap between the first door and the second door. 28. The refrigerator according to claim 27, wherein the elastic unit is compressed by linear movement of the linkage unit on the ramp when the linkage unit is rotated in a counterclockwise direction about the rotating shaft. 29. The refrigerator according to claim 28, wherein the linkage unit is moved on the ramp and rotated in a clockwise direction about the rotating shaft by elastic force of the elastic unit as the protrusion is separated from the rotating unit when the closed second door is opened, and the rotating bar is rotated via rotation of the linkage unit so as to release sealing of the gap between the first door and the second door. 30. The refrigerator according to claim 29, wherein the rotating unit and the linkage unit are rotated in a clockwise direction about the rotating shaft so as to be moved to a position where the rotating unit comes into contact with the protrusion when the second door is closed.
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이 특허에 인용된 특허 (6)
Do Gab Bu (Kyungsangnam-Do KRX), Cam operated door seal for refrigerator.
Kuehl, Steven John; Vonderhaar, John J.; Wu, Guolian; Wu, Mianxue, Hydrophilic structure for condensation management on the movable mullion of a refrigerator.
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