KR0117381Y1 - Refrigerator door auto-closing device - Google Patents

Refrigerator door auto-closing device

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Publication number
KR0117381Y1
KR0117381Y1 KR2019950021816U KR19950021816U KR0117381Y1 KR 0117381 Y1 KR0117381 Y1 KR 0117381Y1 KR 2019950021816 U KR2019950021816 U KR 2019950021816U KR 19950021816 U KR19950021816 U KR 19950021816U KR 0117381 Y1 KR0117381 Y1 KR 0117381Y1
Authority
KR
South Korea
Prior art keywords
refrigerator door
motor
closing device
refrigerator
detection switch
Prior art date
Application number
KR2019950021816U
Other languages
Korean (ko)
Other versions
KR970010625U (en
Inventor
이관철
Original Assignee
배순훈
대우전자 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 배순훈, 대우전자 주식회사 filed Critical 배순훈
Priority to KR2019950021816U priority Critical patent/KR0117381Y1/en
Publication of KR970010625U publication Critical patent/KR970010625U/en
Application granted granted Critical
Publication of KR0117381Y1 publication Critical patent/KR0117381Y1/en

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Classifications

    • 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
    • E05F15/79—Power-operated mechanisms for wings with automatic actuation using time control
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D23/00—General constructional features
    • F25D23/02—Doors; Covers
    • F25D23/028—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
    • F25D2700/00—Means for sensing or measuring; Sensors therefor
    • F25D2700/02—Sensors detecting door opening

Abstract

본 고안은 냉장고문 자동닫음 장치에 관한 것으로, 보다 상세하게는 상기 냉장고문의 하부에 모터로 구동되는 바퀴구동장치와 상기 바퀴구동장치를 상, 하로 승강시키는 승강장치를 설치하고 냉장고문 열림감지스위치를 설치하여 냉장고문을 자동으로 닫아줌으로써, 냉장실에 보관되는 음식물이 온도변화에 의하여 급격히 상하는 것을 방지함은 물론 냉기의 유출을 방지하여 전력의 낭비를 방지한 냉장고문 자동닫음 장치에 관한 것이다.The present invention relates to a refrigerator door automatic closing device, and more particularly, a wheel drive device driven by a motor and a lift device for elevating the wheel drive device up and down are installed at a lower part of the refrigerator door, and a refrigerator door open detection switch is installed. By automatically closing the refrigerator door to prevent the food stored in the refrigerating room suddenly damaged by the temperature change, as well as to prevent the leakage of cold air refrigerator door automatic closing device that prevents waste of power.

Description

냉장고문 자동닫음 장치Refrigerator door automatic closing device

제1도는 본 고안의 냉장고문 자동닫음 장치가 냉장고문에 설치되어 있는 것을 보여주는 도면.1 is a view showing that the refrigerator door automatic closing device of the present invention is installed in the refrigerator door.

제2도는 본 고안의 냉장고문 자동닫음 장치를 보인 도면.2 is a view showing a refrigerator door automatic closing device of the present invention.

제3도는 본 고안의 냉장고문 자동닫음 장치를 보인 사시도.3 is a perspective view showing a refrigerator door automatic closing device of the present invention.

제4도는 본 고안의 냉장고문 자동닫음 장치의 작동상태를 설명하기 위한 블럭도.Figure 4 is a block diagram for explaining the operating state of the refrigerator door automatic closing device of the present invention.

*도면의 주요부분에 대한 부호의 설명* Explanation of symbols for main parts of the drawings

1:냉장고문2:바퀴구동장치1: Refrigerator Advisor 2: Wheel Drive

3:승강장치4:하부 프레임3: lifting device 4: lower frame

5:상부 프레임6:문열림감지스위치5: upper frame 6: door open detection switch

7:마이컴20,30:모터7: Microcom 20, 30: Motor

21:바퀴31:이송스크류21: wheel 31: transfer screw

32:이송구33:고정구32: transfer port 33: fixed ball

34,35:승강레버36:핀34, 35: Lifting lever 36: Pin

본 고안은 냉장고문 자동닫음 장치에 관한 것으로, 보다 상세하게는 상기 냉장고문의 하부에 모터로 구동되는 바퀴구동장치와 상기 바퀴구동장치를 상, 하로 승강시키는 승강장치를 설치하고 냉장고문 열림감지스위치를 설치하여 냉장고문을 자동으로 닫아줌으로써, 냉장실에 보관되는 음식물이 온도변화에 의하여 급격히 상하는 것을 방지함은 물론 냉기의 유출을 방지하여 전력의 낭비를 방지한 냉장고문 자동닫음 장치에 관한 것이다.The present invention relates to a refrigerator door automatic closing device, and more particularly, a wheel drive device driven by a motor and a lift device for elevating the wheel drive device up and down are installed at a lower part of the refrigerator door, and a refrigerator door open detection switch is installed. By automatically closing the refrigerator door to prevent the food stored in the refrigerating room suddenly damaged by the temperature change, as well as to prevent the leakage of cold air refrigerator door automatic closing device that prevents waste of power.

일반적으로, 냉장고는 냉매사이클에 따라 발생된 냉기를 냉장실로 공급하여 상기 냉장실내에 보관되어 있는 음식물 등을 소정의 적정온도로 균일하게 냉각시켜 음식물 등을 장시간 보존하기 위해 사용되고 있다.In general, a refrigerator is used for supplying cold air generated according to a refrigerant cycle to a refrigerating compartment to uniformly cool the food and the like stored in the refrigerating compartment at a predetermined temperature and to preserve food and the like for a long time.

그러나, 만일 사용자가 음식물 등을 꺼낸 후, 냉장고문을 완전히 닫지않았을 때 상기 열린 냉장고문 사이로 냉기가 유출되면, 상기 냉장실내의 온도가 적정온도로 유지되지 못하여서 보관된 음식물 등에 온도변화가 발생되기 때문에 보관된 음식물의 신선도가 떨어지므로 냉장고문이 열렸을 때 일정시간이 경과되면 경고음을 발생하는 경고장치를 냉장고에 설치하여 사용자가 냉장고문을 닫아주는 방식이 있는데, 이와같은 방식은 사용자가 경고음을 듣고 냉장고문을 직접 닫아주어야 하는 불편한점이 있었다.However, if the cold air flows out between the open refrigerator doors when the user does not completely close the refrigerator door after taking out the food or the like, since the temperature in the refrigerator compartment is not maintained at an appropriate temperature, a temperature change occurs in the stored food or the like. Since the freshness of stored foods decreases, there is a method in which a user closes the refrigerator door by installing a warning device in the refrigerator that generates a warning sound when a certain time elapses when the refrigerator door is opened. There was an inconvenience to close the door.

또한, 사용자가 장시간 외출하여 닫아주는 사람이 존재하지 않을 때는 경고음이 반복하여 발생하여도 냉장실의 냉기가 계속 유출되는 문제점이 있었다.In addition, there is a problem that the cold air of the refrigerating compartment continues to leak even if the user repeatedly goes out for a long time when there is no person to close.

본 고안은 상기의 이와같은 문제점을 해소시키기 위하여 안출된 것으로서, 냉장고문이 열렸음을 감지하는 열림감지스위치를 상기 냉장고문에 설치하고, 상기 열림감지스위치의 열림감지신호에 따라 구동되는 바퀴구동장치를 냉장고문에 직접 설치함으로써, 냉장고문이 조금 열렸을 때 자동으로 상기 바퀴구동장치가 구동되어 냉장실의 냉기가 외부로 유출되는 것을 방지하고, 냉장실의 적정온도를 유지하여 음식물의 신선도가 떨어지는 것을 방지함은 물론 음식물이 상하는 것을 방지한 냉장고문 자동닫음 장치를 제공하는 것이 주목적이다.The present invention has been devised to solve the above problems, the wheel drive device is installed in the refrigerator door to detect the opening of the refrigerator door is opened, driven by the opening detection signal of the opening detection switch Directly installed in the refrigerator door, the wheel drive device is automatically driven when the refrigerator door is slightly opened to prevent the cold air from leaking to the outside, and to maintain the proper temperature of the refrigerator compartment to prevent the freshness of food from falling. Of course, it is a main object to provide a refrigerator door automatic closing device that prevents food from being damaged.

상기의 이와같은 목적은, 냉장고문이 열렸을 때 온되는 열림감지스위치와; 상기 열림감지스위치의 온신호에 따라 구동되는 바퀴구동장치와; 상기냉장고문이 조금 열렸을 때 자동으로 상기 바퀴구동장치를 승강시켜주는 승강장치와; 상기 열림감지스위치의 온신호를 받아 상기 승강장치 및 바퀴구동장치를 구동시켜주는 모터구동부와; 상기 모터구동부의 구동신호에 의하여 구동되는 모터로 구성된 자동닫음장치를 냉장고문에 직접설치함으로써 달성된다.The above object is an opening detection switch that is turned on when the refrigerator door is opened; A wheel driving device driven according to an on signal of the opening detection switch; An elevating device for automatically elevating the wheel driving device when the refrigerator is slightly opened; A motor driver for driving the lifting device and the wheel driving device in response to an on signal of the opening detection switch; It is achieved by directly installing the automatic closing device composed of a motor driven by the drive signal of the motor driving unit directly on the refrigerator door.

이하, 본 고안의 구성을 첨부도면에 의거하여 상세히 설명하면 다음과 같다.Hereinafter, the configuration of the present invention in detail based on the accompanying drawings.

제1도에 도시된 바와같이, 본 고안의 냉장고문 자동닫음 장치는 냉장고문(1)의 하측부에 설치되어 있다.As shown in Figure 1, the refrigerator door automatic closing device of the present invention is installed on the lower side of the refrigerator door (1).

제2도 및 제3도에 도시된 바와같이, 상기 냉장고문 자동닫음 장치는 크게 바퀴구동장치(2)와, 상기 바퀴구동장치(2)를 상, 하로 승강시키는 승강장치(3)로 구성되어 있고, 상기 바퀴구동장치(2)는 상기 승강장치(3)에 의해 승하강하는 하부프레임(4)에 고정되어 있으며, 상기 승강장치(3)가 설치된 상부프레임(5)은 냉장고에 고정설치 되어 있다.As shown in FIG. 2 and FIG. 3, the refrigerator door automatic closing device is composed of a wheel driving device 2 and a lifting device 3 for elevating the wheel driving device 2 up and down. The wheel driving device 2 is fixed to the lower frame 4 which is lifted and lowered by the lifting device 3, and the upper frame 5 on which the lifting device 3 is installed is fixed to the refrigerator. have.

상기 바퀴구동장치(2)는 하부 프레임(4)에 설치된 제1모터(20)와, 상기 제1모터(20)에 의해 구동되는 바퀴(21)로 구성되며, 상기 바퀴(21)는 냉장고문(1)이 열린 상태에서는 냉장고문(1)을 닫을 수 있도록 바닥면에 닿아 있어야 한다.The wheel drive device 2 is composed of a first motor 20 installed in the lower frame (4), the wheel 21 is driven by the first motor 20, the wheel 21 is a refrigerator door When (1) is open, it should touch the floor so that the refrigerator door (1) can be closed.

그리고, 바퀴구동장치(2)를 상, 하로 승강시키는 승강장치(3)는 상부 프레임(5)에 고정설치된 제2모터(30)에 의해 회전되는 리드스크류(31)와, 상기 리드스크류(31)에 의해 좌우로 이동되게 설치된 이송구(32)와, 상기 상부 프레임(5)에 설치되어 리드스크류(31)가 축착된 고정구(33)와, 상기 이송구(32) 및 고정구(33)에 상단이 결합되고 X자로 교차되어 하단이 하부 프레임(4)에 축착된 승강레버(34)(35)와, 상기 승강레버(34)(35)의 교차점에 축착된 핀(36)으로 구성되어 있다.In addition, the elevating device 3 for elevating the wheel driving device 2 up and down includes a lead screw 31 rotated by a second motor 30 fixed to the upper frame 5 and the lead screw 31. A transfer tool 32 installed to be moved to the left and right by the upper side, a fastener 33 installed on the upper frame 5 and the lead screw 31 condensed, and the transfer tool 32 and the fastener 33. The upper and lower ends are composed of elevating levers 34 and 35 that are intersected with an X-shape and are constricted to the lower frame 4, and pins 36 condensed at the intersection of the elevating levers 34 and 35. .

상술한 본 고안의 바퀴구동장치(2)와 승강장치(3)를 작동시키는 제1, 제2모터(20)(30)는 제4도에 도시된 바와 같이 냉장고문(1)이 열렸을 때 온되는 문열림감지스위치(6)와, 상기 문열림감지스위치(6)의 온신호를 입력 신호로 하여 일정시간이 경과하면 제1, 제2모터(20)(30)를 순차적으로 제어하는 마이컴(7)에 의하여 작동된다.The first and second motors 20 and 30 for operating the wheel drive device 2 and the lift device 3 of the present invention described above are turned on when the refrigerator door 1 is opened as shown in FIG. A microcomputer that sequentially controls the first and second motors 20 and 30 when a predetermined time elapses using the door open detection switch 6 and the ON signal of the door open detection switch 6 as input signals. 7) It works.

이하, 본 고안의 작용, 효과를 상세히 설명하면 다음과 같다.Hereinafter, the operation and effects of the present invention will be described in detail.

냉장고문(1)이 열리게 되면 문열림감지스위치(6)가 온되게 되고 이 신호는 마이컴(7)에 보내지게 된다. 마이컴(7)에서는 일정시간이 경과하게 되면 제2모터(30)를 구동 시키게 되고 이에따라 리드스크류(31)가 회전되어 이송구(32)가 고정구(33)측으로 이동하게 된다.When the refrigerator door 1 is opened, the door open detection switch 6 is turned on and this signal is sent to the microcomputer 7. In the microcomputer 7, when the predetermined time elapses, the second motor 30 is driven, and accordingly, the lead screw 31 is rotated so that the transfer tool 32 moves toward the fixture 33.

이송구(32)가 고정구(33)측으로 이동하게 되면 X자로 교차된 승강레버(34)(35)가 핀(36)을 중심으로 회동하여 오므라지게 되고 이에따라 승강레버(34)(35)의 하단에 연결된 하부 프레임(4)이 하강하게 되어 바퀴(21)가 바닥면에 닿게 된다.When the transfer tool 32 moves to the fixture 33 side, the lifting levers 34 and 35 intersected with the X-shape rotate and rotate around the pin 36, and accordingly the lower ends of the lifting levers 34 and 35. Lower frame 4 connected to the lowered so that the wheel 21 is in contact with the floor.

바퀴(21)가 바닥면에 닿게 되면 마이컴(7)에 의해 제2모터(30)는 정지하게 되고, 제1모터(20)가 구동되게 되어 바퀴(21)가 회전함으로서 냉장고문(1)이 자동으로 닫히게 된다. 냉장고문(1)이 완전히 닫히게 되면 문열림감지스위치(6)가 오프되고 마이컴(7)에서는 이 신호를 입력신호로 하여 제1모터(20)를 정지 시키는 동시에 제2모터(30)를 역방향으로 구동시키게 된다.When the wheels 21 reach the bottom surface, the second motor 30 is stopped by the microcomputer 7, and the first motor 20 is driven to rotate the wheels 21 so that the refrigerator door 1 is closed. It will close automatically. When the refrigerator door 1 is completely closed, the door open detection switch 6 is turned off, and the microcomputer 7 stops the first motor 20 using this signal as an input signal and simultaneously reverses the second motor 30. Will be driven.

제2모터(30)에 의해 이송스크류(31)가 역회전하게 되면 이송구(32)는 고정구(33)로 부터 멀어지게 되고 이에 따라 승강레버(34)(35)가 벌어져 하부 프레임(4)이 바퀴(21)와 함께 상승하여 냉장고문(1)으로 들어가게 되고 제2모터(30)는 정지하게 된다.When the conveying screw 31 is reversed by the second motor 30, the conveying tool 32 is moved away from the fixing tool 33, and thus the lifting levers 34 and 35 are opened to lower the frame 4. Ascends with the wheel 21 to enter the refrigerator door 1 and the second motor 30 is stopped.

이와같이 본 고안은 승강장치(3)와 바퀴구동장치(2)로 구성된 자동닫음 장치를 냉장고문(1)에 직접 설치하여 냉장고문 열림감지스위치(6)의 신호에 따라 승강장치(3) 및 바퀴구동장치(2)로 작동하여 냉장고문(1)이 자동으로 닫히게 함으로써, 냉장실의 냉기유출방지효과 및 전력낭비방지효과를 갖도록 한 유용한 고안이다.Thus, the present invention is installed directly on the refrigerator door (1) of the automatic closing device consisting of the lifting device (3) and the wheel drive device (2) in accordance with the signal of the refrigerator door open detection switch (6) lifting device (3) and the wheel It is a useful design to have the refrigerator door (1) to automatically close by operating as the drive device (2), to have the effect of preventing the cold air leakage of the refrigerating chamber and the power waste prevention effect.

Claims (1)

하부 프레임(4)에 설치된 제1모터(20)와, 상기 제1모터(20)에 의해 구동되는 바퀴(21)로 된 바퀴구동장치(2)와; 냉장고문(1)에 내설된 상부프레임(5)과, 상기 상부 프레임(5)에 고정설치된 제2모터(30)에 의해 회전되는 리드스크류(31)와, 상기 리드스크류(31)에 의해 좌우로 이동되게 설치된 이송구(32)와, 상기 상부 프레임(5)에 설치되어 리드스크류(31)가 축착된 고정구(33)와, 상기 이송구(32) 및 고정구(33)에 상단이 결합되고 X자로 교차되어 하단이 하부 프레임(4)에 축착된 승강레버(34)(35)와, 상기 승강레버(34)(35)의 교차점에 축착된 핀(36)으로 된 승강장치(3)와; 냉장고문(1)이 열렸을 때 온되는 문열림감지스위치(6)와; 상기 문열림감지스위치(6)의 온신호를 입력 신호로 하여 일정시간이 경과하면 제1, 제2모터(20)(30)를 순차적으로 제어하는 마이컴(7)을 포함하는 냉장고문 자동닫음 장치.A wheel driving device (2) comprising a first motor (20) installed on the lower frame (4) and wheels (21) driven by the first motor (20); Left and right by the upper frame 5, the lead screw 31 rotated by the second motor 30 fixed to the upper frame 5, and the lead screw 31 in the refrigerator door (1) A transfer tool 32 installed to be moved to the upper frame 5, a fixture 33 in which the lead screw 31 is condensed, and an upper end thereof is coupled to the transfer tool 32 and the fixture 33. Lifting device (34) consisting of lifting levers (34) and (35) whose lower ends are condensed to the lower frame (4) and pins (36) condensed at the intersections of the lifting levers (34) and (35). ; A door open detection switch 6 which is turned on when the refrigerator door 1 is opened; Refrigerator door automatic closing device including a microcomputer 7 for sequentially controlling the first and second motors 20 and 30 when a predetermined time elapses using the ON signal of the door open detection switch 6 as an input signal. .
KR2019950021816U 1995-08-23 1995-08-23 Refrigerator door auto-closing device KR0117381Y1 (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100471050B1 (en) * 2002-04-30 2005-03-08 삼성전자주식회사 Refrigerator
KR20200094297A (en) * 2019-01-30 2020-08-07 주식회사 창일이엘티 Apparatus for opening and closing window

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100471050B1 (en) * 2002-04-30 2005-03-08 삼성전자주식회사 Refrigerator
KR20200094297A (en) * 2019-01-30 2020-08-07 주식회사 창일이엘티 Apparatus for opening and closing window

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KR970010625U (en) 1997-03-29

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