KR19990057574A - Home Bar Door Switchgear of Refrigerator - Google Patents

Abstract

The present invention relates to a home bar door opening and closing device of the refrigerator. In the related art, the home bar door is inconvenient and hassle for the user to open and close the home bar door directly. Accordingly, the present invention is a home bar door of a refrigerator supported by a pair of links that can be folded and opened in an opening formed in a refrigerating compartment door, and a latch provided to be elastically supported in the locking direction by a spring on one inner side of the opening, A solenoid connected to move the latch in the release direction by the operation of a power supply, a groove bar door locking protrusion fixed or released to the latch by movement of the latch according to the on / off operation of the solenoid, and one side of the opening A damper which is installed to be connected to the one side link and is compressed by the closing of the home bar door and rotates the home bar door in an opening direction with its own expansion force, and for transmitting a driving force by the damper operation to one side link of the home bar door. Ease of use by being configured by means Of course, not only can the performance and reliability of the device be further increased, but it will also have the effect of creating high added value.

Description

Home Bar Door Switchgear of Refrigerator

The present invention relates to a parallel refrigerator having a freezer compartment and a refrigerating compartment configured side by side, in particular, a parallel refrigerator provided at an upper side of the refrigerating compartment door so that food can be stored or taken out of the refrigerator compartment without opening the refrigerating compartment door. It relates to a home bar door switchgear.

In general, the parallel refrigerator comprises a freezer compartment (2) and the refrigerating compartment (3) arranged side by side with respect to the central insulating wall (4) as shown in Figure 1a and 2a constitute a body (1) The front doors of the freezing compartment 2 and the refrigerating compartment 3 are provided with a door 5. The freezing chamber (2) and the refrigerating chamber (3) is to create a cold air in the premises by the operation of the refrigeration cycle to circulate it to freeze and refrigerated food, the refrigeration cycle is a refrigerant gas is maintained at a high pressure state It consists of a high pressure part which circulates, and a low pressure part which keeps and circulates a refrigerant gas in a low pressure state. The high pressure unit includes a compressor for converting low-temperature low-pressure gas refrigerant into a high-temperature high-pressure gas refrigerant, a condenser for converting the high-temperature, high-pressure gas refrigerant changed in the compressor into a liquid refrigerant of room temperature and high pressure, and a liquid refrigerant at room temperature and high pressure through the condenser. It consists of a dryer for dehumidifying. And a capillary tube for converting the liquid refrigerant of room temperature and high pressure dehumidified through the low pressure section into a liquid refrigerant of low temperature and low pressure, and an evaporator for absorbing external heat while changing the liquid refrigerant of low temperature and low pressure changed in the capillary into a gas state. It consists of an accumulator that blocks the vaporized liquid refrigerant from entering the compressor. In this refrigeration cycle, the evaporator 7 is installed perpendicular to the cold air circulation path 6 on the rear wall of the freezer compartment 2 so as to exchange heat in the circulating air in the furnace to change it to cold, and the cold air above the evaporator 7. The inside of the refrigerator is forcedly circulated by the driving of the blowing fan 8 provided on the side and the blowing force thereof. In addition, the circulated freezer compartment and the refrigerating compartment cold air are sucked to the evaporator 7 side and exchanged with heat, and then discharged to the freezer compartment 2 and the refrigerating compartment 3 by the operation of a blower fan 8 to the freezer compartment 2 and the refrigerating compartment. (3) To freeze and refrigerate food in the interior, and for this purpose, freezing and refrigerating chamber suction ports 9A and 9B are formed at the lower side of the shroud 9 of the freezing compartment 2 and the refrigerating compartment 3. On the upper side, the freezing and refrigerating chamber discharge ports are sucked through the freezing and refrigerating chamber suction ports 9A and 9B to discharge the circulating air exchanged from the evaporator 7 to the freezing chamber 2 and the refrigerating chamber 3 again. 9D) is formed. In addition, the guide tube 9E penetrates through the heat insulating wall 4 in the center so that the refrigerating chamber cold air sucked through the refrigerating chamber suction port 9B can be directed to the evaporator 7 installed in the rear wall side cold air circulation path 6 of the freezing chamber 2. ) Is installed.

In the parallel refrigerator configured as described above, first, the blowing fan 8 installed at the upper side of the freezing chamber 2 rear wall cold air circulation path 6 is driven, and the freezing chamber 2 and the driving unit are driven by the blowing fan 8. The freezing compartment and the refrigerating compartment air are sucked through the inlets 9A and 9B formed at the lower side of the shroud 9 of the refrigerating compartment 3 and flowed into the evaporator 7 installed vertically in the cold air circulation path 6. At this time, the refrigerating chamber air introduced into the refrigerating chamber suction port 9B is led to the cold air circulation path 6 of the rear wall side of the freezing chamber 2 through the guide tube 9E installed through the central insulating wall 4 and is the freezing chamber suction port 9A. It is introduced into the evaporator 7 with the freezer air sucked through the). The freezing and refrigerating chamber air introduced in this way is heat exchanged by the evaporator 7 and then the freezing chamber through the discharge ports 9C and 9D formed at the upper side of the shroud 9 of the freezing chamber 2 and the refrigerating chamber 3. (2) and the refrigerating chamber (3) is to be repeatedly performed continuously.

On the other hand, the upper side of the refrigerating compartment door 5A is provided with a groove bar 10 for taking out or inserting food in the refrigerating compartment 3 without opening the refrigerating compartment door 5A as shown in FIG. The groove bar 10 forms an opening 11 to communicate with the refrigerating chamber 3 by drilling a portion of the refrigerating compartment door 5A in a predetermined area, and installs a groove bar door 12 in the opening 11. It is comprised so that the said opening part 11 may open and close. In addition, the groove bar door 12 is connected to the opening 11 by one of the links 13 and 14 on one side, and the links 13 and 14 are a pair of connecting pieces 13A and 13B. Is rotatably connected to the shaft (13C), one connecting piece (13A) is fixed to the opening 11, the other connecting piece (13B) is fixed to the groove bar door (12) of the home bar door (12) The opening and closing of the home bar door 12 can be supported in the form of a pedestal at right angles to the refrigerating compartment door 5A. Accordingly, in the state where the user puts a large amount of food on the home bar door 12, the user puts the food items into the refrigerator compartment 3 in turn or the food inside the refrigerator compartment 3 one by one on the home bar door 12. It is being put out and eaten.

However, the home bar structure of the conventional refrigerator has a problem in that the user has to open and close the home bar door directly as described above and use the home bar door as well as the inconvenience of opening and closing. Therefore, it is an object of the present invention to open and close the home bar door automatically and automatically by mechanical operation.

Figure 1a, 1b shows the internal structure of a conventional parallel refrigerator,

1A is a front view of the refrigerator body.

1B is a side cross-sectional view of the refrigerator body.

Figure 2 is a partial perspective view of a parallel refrigerator showing a conventional home bar installation.

Figure 3 is a partial perspective view of a parallel refrigerator showing a home bar installation form according to the present invention.

Figure 4 is a side cross-sectional view of the refrigerator compartment door showing the configuration of the present invention.

Figure 5a, 5b shows a damper connection structure of the present invention,

5A is a front view of the damper.

5B is a plan view of a damper.

Figure 6 is a flow chart illustrating a home bar door operation process of the present invention.

* Explanation of symbols for main parts of the drawings

1: refrigerator body 3: refrigerating chamber

5A: refrigerator compartment door 10: home bar

11: opening 12: groove bar door

13,14: Link 15: Brace

15A: Spring 15B: Chamfer

16: Solenoid 16A: Wire

17: jamming 18: damper

18A: axis of rotation 19: circular gear

20: inner gear

In the home bar door of the refrigerator supported by a pair of links that can be folded and opened in the opening formed in the refrigerating compartment door in order to achieve the object of the present invention, a latch provided to be elastically supported in a constant locking direction by a spring inside one side of the opening. And, the solenoid is connected to the latch and the solenoid to move the latch in the release direction by the operation by the power supply, and the groove bar door locking projection which is fixed or released to the latch by the movement of the latch according to the on / off operation of the solenoid, A damper installed on the inner side of the opening to be connected to the one side link and compressed by the closing of the home bar door and rotating the home bar door in an opening direction with its own expansion force, and driving force by the damper operation to one side of the home bar door Configured as a means to pass on a link A home bar door opening and closing device for a refrigerator is provided. In addition, the power transmission means is characterized in that the circular gear is installed on the rotation shaft of the damper, and the inner gear which is engaged with the circular gear on the end side of the linking contact with the circular gear.

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

Figure 3 is a partial perspective view of a parallel refrigerator showing a home bar installation form according to the present invention, Figure 4 is a side cross-sectional view of the refrigerator compartment door showing the configuration of the present invention, Figure 5a, Figure 5b shows a damper connection structure of the present invention The refrigerator door 5A is provided with a groove bar 10 which can take out or put food in the refrigerator compartment 3 without opening the refrigerator compartment door 5A as usual. The groove bar 10 forms an opening 11 to communicate with the refrigerating chamber 3 by drilling a portion of the refrigerating compartment door 5A in a predetermined area, and installs a groove bar door 12 in the opening 11. It is comprised so that the said opening part 11 may open and close. In addition, the groove bar door 12 is connected to the opening 11 by a pair of links 13 and 14, and the links 13 and 14 connect a pair of connecting pieces 13A and 13B. As the structure connected rotatably by the shaft (13C), one connecting piece (13A) is fixed to the opening 11, the other connecting piece (13B) is fixed to the groove bar door (12) to open the groove bar door (12) When the door is folded and expanded as it is closed, the home bar door 12 may be supported in the form of a pedestal at right angles to the refrigerator door 5A.

In the home bar of the refrigerator, as shown in FIG. 5, the present invention includes a latch 15 that is elastically supported in the locking direction by a spring 15A on an upper side of the opening 11. In addition, the latch 15 is connected to the rear solenoid 16 and the wire 16A and moves upward, that is, in the direction of release, while compressing the spring 15A according to the on / off operation of the solenoid 16. It is configured to move the latch 15 downward, that is, in the locking direction by the restoring force by the instantaneous expansion of the spring 15A. In addition, at the upper end of the rear of the home bar door 12, a locking protrusion 17 is fixed to or fixed to the latch 15 according to the operation of the latch 15. At the same time, a damper 18 as illustrated in FIGS. 4A and 4B is installed at one inner side of the opening 11. The damper 18 is filled with working oil so that the rotating shaft 18A of the damper 18 can be rotated by the compression and expansion of the working oil, and the rotating shaft 18A has a circular gear ( 19 is formed and an inner gear 20 meshing with the circular gear 19 is formed at an end side of one side link 13 among both links 13 and 14 supporting the groove bar door 12. The damper 18 and the link 13 are configured to interlock with each other. In further detail, the damper 18 is compressed by the closing of the home bar door 12 by an external force, and expands again when the external force is released to automatically open the home bar door 12 automatically. The damper 18 is configured to be driven by gear transmission by the circular gear 19 and the inner gear 20 engaged with each other. Here, reference numeral 15b is a chamfered portion obtained by pulling one corner portion of the lower end side of the latch 15.

The following describes the operation and operation of the present invention configured as described above.

First, the home bar door 12 is maintained as shown in FIG. In other words, the locking protrusion 17 of the groove bar door 12 is held in a state of being fixed to the upper latch 11 of the opening 11 protruding in the locking direction by the elastic force of the spring 15A and at the same time. (11) The damper 18 provided on the inner one side wall also maintains the compressed state.

In this state, as shown in FIG. 6, when the user presses an operation button (not shown) installed in the refrigerator body 1 to open the home bar door 12, the user is placed at the rear side of the latch 15 according to a signal thereof. The solenoid 16 positioned is operated, and the groove bar 15 connected to the solenoid 16 and the wire 16A by the operation of the solenoid 16 moves upward while overcoming the elastic force of the spring 15A. The locking protrusion 17 of the door 12 is released. Accordingly, the damper 18 installed on one side wall of the opening 11 expands, and the expansion force rotates the rotating shaft 18A and the circular gear 19 arranged on the rotating shaft 18A in the opening direction. The rotational force thereof is transmitted to the inner side gear 20 of the end 13 of the link 13 engaged with the circular gear 19 so as to smoothly open the groove bar door 12 by rotating the link 13 in the opening direction. .

When the home bar door 12 is to be closed in this state, the user directly pushes the home bar door 12 in the closing direction, and the solenoid 16 is turned off to the latch 15. Is a state protruding in the hooking direction by the elastic force of the spring 15A, the damper 18 is compressed again by the operation and gear transmission of the one-side link 13 supporting the groove bar door (12). And while the locking projection 17 of the groove bar door 12 is in sliding contact with the chamfering portion 15B of the latch 15, the latch 15 is slightly moved upward while overcoming the elastic force of the spring 15A. From passing through the latch 15, the latch 15 is protruded in the locking direction again by the elastic force of the spring 15A is fixed to the latch 15.

As such, the present invention enables the home bar door to be opened automatically and smoothly by mechanical operation, thereby increasing the performance and reliability of the device as well as the ease of use, and having the effect of creating high added value.

Claims (2)

A home bar door of a refrigerator, which is supported by a pair of links capable of folding and opening in an opening formed in a refrigerating compartment door, comprising: a latch provided to be elastically supported in the locking direction by a spring on one side of the opening, and the latch being connected to the latch. Solenoid for moving the in the release direction by the operation of the power supply, the groove bar door locking projection to be fixed or released to the latch by the movement of the latch according to the on / off operation of the solenoid, and the one side link to one side inside the opening And a damper which is installed to be connected to and is compressed by the closing of the home bar door and rotates the home bar door in the opening direction with its own expansion force, and means for transmitting a driving force by the damper operation to one side link of the home bar door. Home bar door opening and shutting of the refrigerator Device. The home bar of claim 1, wherein the power transmission unit has a circular gear disposed on a rotation shaft of the damper, and an inner gear engaged with the circular gear is formed at an end side of the link contacting the circular gear. Door opener.