Refrigerator
a technology for refrigerators and air conditioners, applied in the field of refrigerators, to achieve the effects of uniform damping force, reduced manufacturing cost of buffer devices to reduce shock generated, and reduced opening of home bar doors
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first embodiment
[0029]FIG. 2 is a disassembled perspective view illustrating a buffer structure of home bar door unit of refrigerator according to the invention. FIG. 3 is a sectional view taken along a line I-I′ of FIG. 1.
[0030]Referring to FIGS. 2 and 3, the home-bar structure of refrigerator according to the first embodiment comprises a frame 40 adapted on an inner edge par of the opening part 46 adapted in the door 12, 13, and a home bar door unit 30 coupled to the frame so that a lower end part thereof pivotally rotate.
[0031]In detail, a hinge 31 is formed protruded from both side faces of lower end part of the home bar door unit 30, and a damping unit 50 is adapted in a lower part of back face of the home bar door unit 30 and in a lower part of front face of the frame 40.
[0032]More in detail, the frame 40 is constructed of a front-face frame 41 facing to the front of the door 12, 13 and a back-face frame 42 combined with a back face of the front-face frame 41. In the right and left side face ...
second embodiment
[0047]FIG. 8 is a sectional view showing a buffer structure of home bar door of refrigerator according to the invention.
[0048]Referring to FIG. 8, a damping unit 60 for the buffer of home bar door according to the second embodiment of the invention comprises a cam 61 adapted in both side faces of the home bar door 30, and a resistant repeating a tensile and a shrinkage through the cam 61.
[0049]The cam 61 is adapted to perform the same function as the pressurizing face 32 of the first embodiment and is inserted into a hinge of the home bar door 30. The resistant is comprised of a stopper 62 and an elastic member 63 like in the first embodiment.
[0050]More in detail, the cam 61 is a cam member of a type that a half diameter not a concentric circle is expanded as shown in the drawing, and pressurizes the stopper 62 in a step of opening the home bar door 30. While the home bar door 30 is opened, the cam 61 rotates together and the damper 62 retreats, and the elastic member 63 is shrunk. ...
third embodiment
[0051]FIG. 9 is a sectional view showing a buffer structure of home bar door of refrigerator according to the invention.
[0052]With reference to FIG. 9, a damping unit 70 for a buffer of home bar door according to a third embodiment of the invention comprises cam 61 having adapted in the second embodiment, and a torsion spring 64 combined with the back-face frame 42.
[0053]In an operation of the damping unit 70, the torsion spring 64 is maintained as an original state in a state the home bar door 30 is closed, and is pressurized by the cam 61 in a step of opening the home bar door 30. That is, a width of the torsion spring 64 of a v shape becomes narrow by the cam 61, cumulating elasticity. Thus, the cam 61 rotates together when opening the home bar door 30, to pressurize the torsion spring 64. Elastic force cumulated in the torsion force 64 acts as a resistance force against the home bar door 30, thus controlling a rapid opening of the home bar door 30.
[0054]In other embodiments, the...
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