KR200141324Y1 - Automatic opening apparatus of display case - Google Patents
Automatic opening apparatus of display case Download PDFInfo
- Publication number
- KR200141324Y1 KR200141324Y1 KR2019960011785U KR19960011785U KR200141324Y1 KR 200141324 Y1 KR200141324 Y1 KR 200141324Y1 KR 2019960011785 U KR2019960011785 U KR 2019960011785U KR 19960011785 U KR19960011785 U KR 19960011785U KR 200141324 Y1 KR200141324 Y1 KR 200141324Y1
- Authority
- KR
- South Korea
- Prior art keywords
- door
- drive motor
- screw rod
- rotating screw
- display rack
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims abstract description 14
- 238000005057 refrigeration Methods 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 239000011521 glass Substances 0.000 claims description 4
- 235000013305 food Nutrition 0.000 abstract description 20
- 235000021170 buffet Nutrition 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 235000013311 vegetables Nutrition 0.000 description 2
- 206010016952 Food poisoning Diseases 0.000 description 1
- 208000019331 Foodborne disease Diseases 0.000 description 1
- 235000002918 Fraxinus excelsior Nutrition 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 235000019640 taste Nutrition 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/70—Power-operated mechanisms for wings with automatic actuation
- E05F15/73—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects
- E05F15/75—Power-operated mechanisms for wings with automatic actuation responsive to movement or presence of persons or objects responsive to the weight or other physical contact of a person or object
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47F—SPECIAL FURNITURE, FITTINGS, OR ACCESSORIES FOR SHOPS, STOREHOUSES, BARS, RESTAURANTS OR THE LIKE; PAYING COUNTERS
- A47F3/00—Show cases or show cabinets
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/665—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings
- E05F15/668—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for vertically-sliding wings for overhead wings
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/60—Suspension or transmission members; Accessories therefor
- E05Y2201/622—Suspension or transmission members elements
- E05Y2201/696—Screw mechanisms
- E05Y2201/702—Spindles; Worms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/45—Control modes
- E05Y2400/452—Control modes for saving energy, e.g. sleep or wake-up
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/10—Electronic control
- E05Y2400/45—Control modes
- E05Y2400/456—Control modes for programming, e.g. learning or AI [artificial intelligence]
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2400/00—Electronic control; Electrical power; Power supply; Power or signal transmission; User interfaces
- E05Y2400/80—User interfaces
- E05Y2400/85—User input means
- E05Y2400/856—Actuation thereof
- E05Y2400/858—Actuation thereof by body parts, e.g. by feet
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/10—Adjustable
- E05Y2600/13—Adjustable by motors, magnets, springs or weights
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
- E05Y2600/10—Adjustable
- E05Y2600/30—Adjustment motion
- E05Y2600/31—Linear motion
- E05Y2600/314—Vertical motion
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2900/00—Application of doors, windows, wings or fittings thereof
- E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
- E05Y2900/31—Application of doors, windows, wings or fittings thereof for domestic appliances for refrigerators
Landscapes
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Freezers Or Refrigerated Showcases (AREA)
Abstract
본 고안은 냉장을 요구하는 물건을 진열하는 냉장 진열대의 문을 자동으로 개폐시키도록 하는 개폐장치에 관한 것으로서, 냉장 진열(1)의 전면 문틀(7)에 다수의 감지센서(6)을 구비하고 감지센서(6)의 감지상태에 따라 정,역회전 구동을 하는 구동모터(3)를 하부 내측에 구비하며 구동모터(3)의 축을 회전 나사봉(4)으로 형성하여 상기 회전 나사봉(4)과 나사결합되는 결합너트(5)를 문(2)의 하부 고정틀(8) 내측에 형성하여 구동모터(3)의 구동으로 회전 나사봉(4)의 회전시 문(2)을 상,하로 이송시키도록 하며 문틀(7)의 상부와 구동모터(3)가 구비된 냉장 진열대(1)의 하부에 문(2)의 상,하 승강폭을 제어하도록 리미트 스위치(10)(10')를 구비하여 냉장 진열대에서 음식물을 넣거나 꺼낼 때 문을 손으로 직접 열지 않아도 되므로 손에 그릇을 들고 있거나 할 때 음식물을 냉장 진열대에 삽입하거나 꺼내기 편리하며 사용하지 않을 때에는 항상 냉장 진열대의 문이 닫혀 있게 되어 냉장 진열대의 내부 냉기가 외부로 배출되지 않으므로서 전력낭비를 최소화 할 수 있고 따라서 음식물을 장기간 보관할 수 있는 장점을 가지는 고안이다.The present invention relates to an opening and closing device for automatically opening and closing the door of the refrigeration display rack for displaying objects requiring refrigeration, comprising a plurality of detection sensors (6) in the front door frame (7) of the refrigeration display (1) According to the detection state of the sensor 6 is provided with a drive motor (3) for forward and reverse rotation in the lower inner side and the axis of the drive motor (3) by the rotating screw rod (4) to form the rotating screw rod (4) ) And a coupling nut (5) screwed into the inner side of the lower fixing frame (8) of the door (2) by the drive of the drive motor (3) the door (2) up and down when the rotating screw rod (4) is rotated Limit switch 10 (10 ') to control the upper and lower lifting width of the door (2) to the upper portion of the door frame (7) and the lower part of the refrigerating display stand (1) equipped with a drive motor (3). You do not have to open the door by hand to add or remove food from the refrigerated shelves, It is convenient to insert into or take out of the refrigerated display rack. When not in use, the door of the refrigerated display shelf is always closed so that the internal cold air of the refrigerated display rack is not discharged to the outside, thus minimizing power consumption and thus keeping food for a long time. Branches are devised.
Description
제1도는 본 고안의 분해 사시도.1 is an exploded perspective view of the present invention.
제2도의 (a)와 (b)는 본 고안의 작동상태 단면도.Figure 2 (a) and (b) is a cross-sectional view of the operating state of the present invention.
제3도는 본 고안의 정면도.3 is a front view of the present invention.
제4도는 본 고안의 다른 실시예의 사시도.4 is a perspective view of another embodiment of the present invention.
* 도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings
1 : 냉장진열대 2 : 문1: Refrigerated display rack 2: Door
3 : 구동모터 4 : 회전 나사봉3: drive motor 4: rotary screw rod
5 : 결합너트 6 : 감지센서5: Coupling Nut 6: Sensor
7 : 문틀 8 : 고정틀7: door frame 8: fixed frame
9 : 유리 10, 10' : 리미트 스위치9: glass 10, 10 ': limit switch
본 고안은 냉장을 요구하는 물건을 진열하는 냉장 진열대의 문을 자동으로 개폐시키도록 하는 개폐장치에 관한 것으로서, 특히 부페식당에서와 같이 음식물을 진열하여 수시로 음식물을 꺼내는 냉장 진열대의 문을 자동으로 개폐시켜 냉장 진열대에 진열된 음식물의 신선도를 지속시킬 수 있도록 한 냉장 진열대의 문 자동개폐장치에 관한 것이다.The present invention relates to an opening and closing device for automatically opening and closing the door of the refrigerated display rack for displaying the items that require refrigeration, and particularly to open and close the door of the refrigerated display rack to display the food from time to time, such as in a buffet restaurant The present invention relates to a door automatic opening and closing device of a refrigerated display stand, which enables to maintain freshness of food displayed on the refrigerated display stand.
일반적으로 부페식당에서는 여러 가지 음식물을 진열하여 섭취자가 취향에 따라 다양한 음식물을 섭취할 수 있도록 여러 가지 음식물을 그릇에 담아 진열대의 재치대에 재치시키되 육류와 채소류는 온도가 상승되면 변질되어 식중독 등을 일으키는 문제점이 발생되어 진열대의 내부 온도를 일정온도 이하로 유지시켜 육류와 채소류와 같은 음식물이 부폐되지 않도록 냉장기능을 가지는 냉장 진열대에 삽입시켜 왔으나, 사람이 음식물을 냉장 진열대에서 꺼내기 편리하도록 냉장 진열대의 문이 항상 열려있어 냉기가 외부로 소실되므로 냉장 진열대 내부의 온도를 일정한 온도 이하로 유지하기 위하여서는 대단한 전력소모가 발생되는 단점이 있고 외부공기와의 지속적인 접촉에 의하여 음식물이 쉽게 부폐되는 단점을 가지고 있으며, 이러한 문제점을 해소하고자 냉장 진열대의 문을 닫아 놓을 경우에도 사람이 한손에 그릇을 들고 냉장 진열대의 문을 여닫는 동작이 불편하여 냉장 진열대의 문이 음식물을 꺼내지 않을 때에도 항상 열려있어 음식물의 부폐에 지대한 신경을 써야 하는 결점이 발생되었다.In general, the buffet restaurant displays various foods and puts them in a bowl so that the consumers can eat various foods according to their tastes.The meat and vegetables are deteriorated when the temperature rises to prevent food poisoning. It has been inserted into a refrigerated display rack that has a refrigeration function so that the internal temperature of the display rack is kept below a certain temperature so that foods such as meat and vegetables are not broken.However, it is convenient for a person to take food out of the cold display rack. As the door is always open and cold air is lost to the outside, there is a drawback of great power consumption in order to keep the temperature inside the refrigerator shelves below a certain temperature, and the food is easily destroyed by continuous contact with outside air. And these problems Even if you close the door of the refrigerator shelves to solve the problem, people are holding the bowl in one hand and opening and closing the door of the refrigerator shelves is inconvenient, so the doors of the refrigerator shelves are always open even when they do not take out food. A defect has arisen.
본 고안은 상기와 같은 종래의 제결점을 해소하기 위하여 안출한 것으로서, 냉장 진열대의 문 전면에 다수개의 감지센서를 구비하고 상기 감지센서의 감지상태에 의하여 정,역회전 구동하는 구동수단을 구비하여 구동수단의 구동에 의하여 문이 이송되어 개폐되도록 하는 이송수단을 문의 고정틀 하부에 구비하므로서 사람이 진열대 앞에 일정한 시간이상 서 있으면 감지센서의 감지에 의하여 문이 자동으로 개방되도록 하고 이후 사람이 지나가면 문이 자동으로 닫혀지도록하여 손에 물건을 들고 있을 경우에도 문을 용이하게 열을 수 있도록 하고 냉장 진열대의 내부온도를 항상 일정한 온도 이하로 유지하기가 용이하도록 하여 냉장 진열대의 내부가 외부와 차단되어 냉장 진열대 내부의 음식물이 부폐되는 것을 방지할 수 있도록 하는 냉장 진열대의 문 자동개폐장치를 제공하는데 본 고안의 목적이 있는 것이다.The present invention has been made in order to solve the above conventional drawbacks, provided with a plurality of detection sensors on the front of the door of the refrigerated display rack and provided with a drive means for driving forward, reverse rotation by the detection state of the detection sensor It is equipped with a transport means at the bottom of the fixed frame of the door to allow the door to be transported and opened by the driving means.If a person stands in front of the display rack for a certain time, the door is automatically opened by the detection of a sensor. The door is closed automatically so that the door can be easily opened even if you are holding something in your hand, and it is easy to keep the internal temperature of the refrigerated display rack below a certain temperature at all times. Refrigerated display racks to prevent food from inside the shelves Doors will be designed with the purpose of the present to provide an automatic opening device.
이하, 본 고안을 첨부된 도면에 의하여 상세히 설명하면 다음과 같다.Hereinafter, described in detail by the accompanying drawings of the present invention as follows.
전면에 내부가 투영되도록 한 투명의 유리(9)가 고정틀(8)에 의하여 고정된 문(2)이 문틀(7)에 결합되어 있는 냉장 진열대(1)에 있어서, 냉장 진열대(1)의 전면 문틀(7)에 다수의 감지센서(6)를 구비하고 감지센서(6)의 감지상태에 따라 정,역회전 구동을 하는 구동모터(3)를 하부 내측에 구비하며 구동모터(3)의 축을 회전 나사봉(4)으로 형성하여 상기 회전 나사봉(4)과 나사결합되는 결합너트(5)를 문(2)의 하부 고정틀(8) 내측에 형성하여 구동모터(3)의 구동으로 회전 나사봉(4)의 회전시 문(2)을 상,하로 이송시키도록 하며 문틀(7)의 상부와 구동모터(3)가 구비된 냉장 진열대(1)의 하부에 문(2)의 상,하 승강폭을 제어하도록 리미트 스위치(10(10')을 구비한 것이다.In the refrigeration display stand (1) in which the door (2), in which the transparent glass (9) is fixed by the fixing frame (8) to which the inside is projected on the front surface, is coupled to the door frame (7), the front of the refrigeration display stand (1) The door frame (7) is provided with a plurality of sensing sensors (6) and according to the detection state of the sensing sensor 6 is provided with a drive motor (3) in the lower inner side to drive the shaft of the drive motor (3) It is formed by the rotary screw rod (4) to form a coupling nut (5) screwed with the rotary screw rod (4) inside the lower fixing frame (8) of the door (2) to rotate by the drive of the drive motor (3) When the four-spin 4 is rotated to move the door (2) up and down, the upper and lower of the door (2) in the lower part of the refrigerating display stand (1) equipped with the upper part of the door frame (7) and the drive motor (3) The limit switch 10 (10 ') is provided to control the lifting width.
미설명 부호 11은 음식물을 올려놓는 재치대이다.Reference numeral 11 is a tact table for placing food.
상기와 같이 구성된 본 고안의 작용과 효과를 살펴보면, 상온이하에서 보존시켜야 하는 음식물을 내부에 형성된 재치대(11)에 올려 놓거나 재치대(11)에 놓여진 음식물을 꺼내기 위하여 냉장 진열대(1) 앞에 서면 냉장 진열대(1)의 문틀(7) 전면에 구비된 감지센서(6)가 감지하되 일정한 시간 이상이 경과하면 구동모터(3)에 감지신호를 입력하여 구동모터(3)를 정회전 시키면 구동모터(3)의 축에 형성된 회전 나사봉(4)이 회전하게 되고 회전 나사봉(4)의 회전에 의하여 회전 나사봉(4)과 결합된 결합너트(5)가 하강하게 되는 것으로, 회전 나사봉(4)과 결합된 결합너트(5)는 문(2)의 투명유리(9)를 고정하는 고정틀(8)의 하부에 고정되어 있어 결합너트(5)의 하강에 의하여 문(2)이 하강하게 되어 냉장 진열대(1)가 열려져서 내부에 음식물을 재치대(11)에 올려놓거나 재치대(11)에 놓여진 음식물을 용이하게 꺼낼 수 있게 되는 것이다.Looking at the operation and effect of the present invention configured as described above, the food to be preserved at room temperature or lower placed on the mounting table 11 formed therein or in front of the refrigeration display rack (1) to take out the food placed on the mounting table (11) When the detection sensor 6 provided on the front of the door frame 7 of the refrigerating display stand 1 detects a predetermined time or more, the driving motor 3 is rotated forward by inputting a detection signal to the driving motor 3. The rotating screw rod (4) formed on the shaft of (3) is rotated and the coupling nut (5) coupled with the rotating screw rod (4) is lowered by the rotation of the rotating screw rod (4), the rotating screw rod Coupling nut 5 combined with (4) is fixed to the lower part of the fixing frame (8) for fixing the transparent glass 9 of the door (2), the door (2) is lowered by the lowering of the coupling nut (5) Refrigerated display stand (1) is opened to put food on the mounting table (11) or ashes Placed on the table 11 it will be able to easily take out the food.
그리고, 사용자가 음식물을 삽입하거나 꺼내는 동작을 완료한 후 냉장 진열대(1)앞에서 멀어지게 되면 감지센서(6)가 냉장 진열대(1) 앞에 사람이 없음을 감지하여 감지신호를 구동모터(3)에 전하게 되면 따라서 구동모터(3)는 역회전을 하게 되어 상기와는 반대로 문(2)을 상승시키게 되는 것이다.Then, when the user completes the operation of inserting or taking out food and then moves away from the refrigerator display rack (1), the detection sensor (6) detects that there is no person in front of the refrigerator display rack (1) and sends a detection signal to the driving motor (3). Therefore, the driving motor 3 is reversely rotated to raise the door 2 as opposed to the above.
이때, 문(2)이 결합된 문틀(7)의 상부나 구동모터(3)가 구비된 냉장 진열대(1)의 하부에 문(2)의 승,하강을 제어하도록 리미트 스위치(10)(10')가 구비되어 있어 감지센서(6)가 사람을 감지하여 구동모터(3)가 정회전하므로 문(2)이 하강하여 하부에 구비된 리미트 스위치(10)를 온시키면 구동모터(3)의 전원이 차단되어 문(2)의 하강을 정지시키게 되는 것이다. 감지센서(6)가 사람없음을 감지하여 구동모터(3)를 역회전 시키면 문(2)이 상승하여 문틀(7)에 구비된 리미트 스위치(10')를 온시키면 구동모터(3)의 전원을 차단하여 더 이상 문(2)이 상승되지 못하도록 하는 것이다.At this time, the upper limit of the door frame 7 to which the door 2 is coupled or the lower of the refrigerating display stand 1 provided with the driving motor 3, the limit switch 10, 10 to control the raising and lowering of the door 2. ') Is provided so that the detection sensor 6 detects a person and the driving motor 3 rotates forward. Therefore, when the door 2 descends to turn on the limit switch 10 provided at the lower portion of the driving motor 3 The power is cut off to stop the falling of the door (2). When the detection sensor 6 detects no person and rotates the driving motor 3 in reverse, the door 2 rises to turn on the limit switch 10 ′ provided in the door frame 7. To prevent the door (2) from rising anymore.
또한, 본 고안의 다른 실시예로서는 제4도에 도시된 바와같이 구동모터(3)의 축에 베벨기어(12)를 구비하고 회전 나사봉(4)의 하단에 베벨기어(12)와 치합되는 베벨기어(12')를 구비하여 회전 나사봉(4)에 구동모터(3)의 회전력을 부여하여도 무방한 것이다.In addition, as another embodiment of the present invention is provided with a bevel gear 12 on the shaft of the drive motor (3) as shown in Figure 4 bevel gear that is engaged with the bevel gear 12 at the lower end of the rotating screw rod (4) The gear 12 'may be provided to provide the rotational force of the drive motor 3 to the rotating screw rod 4.
이와같이 본 고안은 냉장 진열대에서 음식물을 넣거나 꺼낼 때 문을 손으로 직접 열지 않아도 되므로 손에 그릇을 들고 있거나 할 때 음식물을 냉장 진열대에 삽입하거나 꺼내기 편리하며 사용하지 않을 때에는 항상 냉장 진열대의 문이 닫혀있게 되어 냉장 진열대의 내부 냉기가 외부로 배출되지 않으므로서 전력낭비를 최소화 할 수 있고 따라서 음식물을 장기간 보관할 수 있는 장점을 가지는 고안이다.As such, the present invention does not require the door to be opened by hand when adding or removing food from the refrigerator, so it is convenient to insert or remove the food into the refrigerator when it is in the hands or when it is in use. Since the internal cold air of the refrigerated display stand is not discharged to the outside, it is possible to minimize the waste of power, and thus has the advantage of storing food for a long time.
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960011785U KR200141324Y1 (en) | 1996-05-14 | 1996-05-14 | Automatic opening apparatus of display case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR2019960011785U KR200141324Y1 (en) | 1996-05-14 | 1996-05-14 | Automatic opening apparatus of display case |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR970060537U KR970060537U (en) | 1997-12-10 |
| KR200141324Y1 true KR200141324Y1 (en) | 1999-04-01 |
Family
ID=19456056
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR2019960011785U KR200141324Y1 (en) | 1996-05-14 | 1996-05-14 | Automatic opening apparatus of display case |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR200141324Y1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040028236A (en) * | 2002-09-30 | 2004-04-03 | 장영호 | Ascent and descent apparatus of window |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040028235A (en) * | 2002-09-30 | 2004-04-03 | 장영호 | Ascent and descent apparatus of window |
| CN214510485U (en) * | 2020-10-28 | 2021-10-29 | 京东方科技集团股份有限公司 | Display cabinet |
-
1996
- 1996-05-14 KR KR2019960011785U patent/KR200141324Y1/en not_active IP Right Cessation
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040028236A (en) * | 2002-09-30 | 2004-04-03 | 장영호 | Ascent and descent apparatus of window |
Also Published As
| Publication number | Publication date |
|---|---|
| KR970060537U (en) | 1997-12-10 |
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