KR100300118B1

KR100300118B1 - Refrigerator having lock device

Info

Publication number: KR100300118B1
Application number: KR1019970074546A
Authority: KR
Inventors: 서희춘
Original assignee: 윤종용; 삼성전자 주식회사
Priority date: 1997-12-26
Filing date: 1997-12-26
Publication date: 2001-11-22
Also published as: KR19990054685A

Abstract

PURPOSE: A refrigerator is provided, in which the door lock device is mounted within the refrigerator door, to thereby prevent the connection portion of the lock device from being exposed outward. CONSTITUTION: A refrigerator comprises a cabinet having a first refrigerating compartment and a second refrigerating compartment arranged to be adjacent with each other; a first door and a second door for opening/closing front openings of refrigerating compartments; a rotating locker(20) arranged to be rotatable in a horizontal direction through the surface of the first door, and which has a locking portion arranged at the front end of the rotating locker directed toward the cabinet, in such a manner that the locking portion is engaged with a predetermined portion of the cabinet; a sliding locker(30) installed to be slidable to the first door, and engaged with a locking hole formed at the second door; and an interlock unit for converting the rotating motion of the rotating locker into the sliding motion of the sliding locker, such that the locking of the first door and the locking between the first door and second door are performed at the same time. The interlock unit includes a pinion portion formed at the rotating locker, and a rack portion formed at the sliding rocker and engaged with the pinion portion.

Description

Refrigerator with lock

본 발명은 인접 형성된 제1 및 제2냉각실을 형성하는 캐비닛과, 한쌍의 냉각실의 전면개구를 각각 개폐하는 제1도어를 갖는 냉장고에 관한 것이다.The present invention relates to a refrigerator having cabinets for forming adjacent first and second cooling chambers and first doors for opening and closing front openings of a pair of cooling chambers, respectively.

일반적으로, 냉장고는 냉매를 증발시킬 때에 발생하게 되는 잠열에 의해 냉매주위의 공기를 냉각시키고, 이러한 냉각공기를 이용하여 냉각실내의 저장물을 냉각하는 장치로서, 그러한 장치들중 영업용 냉장고에 대한 일예가 도1에 되어 있다.In general, a refrigerator is a device that cools the air around the refrigerant by latent heat generated when evaporating the refrigerant, and uses the cooling air to cool the storage in the cooling chamber. An example is shown in FIG.

도1에서 보는 바와 같이, 냉장고(100)는 캐비닛(110)과, 캐비닛의 전방면을 개폐하는 복수개의 도어(120)를 구비하고 있다. 캐비닛(110)은 그 내부에 냉각실을 갖고 있으며, 이러한 냉각실에는 냉매의 증발로 인해 발생되는 냉각공기가 유입되게 된다. 또한, 캐비닛의 냉각실 전방면은 개방되어 있으며, 도어(120)는 이러한 개방면을 개폐하도록 캐비닛에 결합되어 있다.As shown in FIG. 1, the refrigerator 100 includes a cabinet 110 and a plurality of doors 120 that open and close the front surface of the cabinet. The cabinet 110 has a cooling chamber therein, and cooling air generated by evaporation of the refrigerant flows into the cooling chamber. In addition, the front surface of the cooling chamber of the cabinet is open, the door 120 is coupled to the cabinet to open and close this open surface.

한편, 도어들(120a,120b,120c,120d)은 캐비닛의 상하부에 한쌍씩 일조로 형성되어 있으며, 이러한 상하 도어들간에는 잠금장치(130)가 장착되어 있다. 잠금장치(130)의 자세한 결합구조에 대해서는 도2를 참조하기로 한다.On the other hand, the doors (120a, 120b, 120c, 120d) are formed in a pair of upper and lower parts of the cabinet, the locking device 130 is mounted between the upper and lower doors. A detailed coupling structure of the locking device 130 will be described with reference to FIG. 2.

도2에서 보는 바와 같이, 캐비닛(110)의 상하측에는 도어(120a,120b)가 결합되어 있다. 상측의 제2도어(120a)는 그 하부에 록킹공(124)이 형성되어 있으며, 하측의 제1도어(120b)는 그 상부에 슬라이딩로커(150)와 회동로커(160)가 장착되어 있다. 슬라이딩로커(150)의 일선단부는 제2도어의 록킹공(124)을 향하고 있으며, 타선단부는 그 측부에 삽입홈(152)이 형성되어 있다. 또한, 로커(160)는 원기둥형상으로 제작되며, 그 일선단부에는 슬라이딩로커의 삽입홈(152)에 삽입되는 돌기축(162)이 형성되어 있고, 타선단부에는 열쇠용 슬롯(164)이 가공되어 있다. 한편, 이러한 도어(120a,120b)간에는 브라켓(140)이 장착되고, 브라켓은 슬라이딩로커(150)이 관통되는 중공을 갖고 있다.As shown in FIG. 2, doors 120a and 120b are coupled to upper and lower sides of the cabinet 110. The upper second door 120a has a locking hole 124 formed at a lower portion thereof, and the lower first door 120b has a sliding rocker 150 and a rotating rocker 160 mounted thereon. One end of the sliding rocker 150 faces the locking hole 124 of the second door, and the other end has an insertion groove 152 formed at the side thereof. In addition, the rocker 160 is manufactured in a cylindrical shape, and a protruding shaft 162 inserted into the insertion groove 152 of the sliding rocker is formed at one end thereof, and a slot 164 for the key is processed at the other end thereof. have. Meanwhile, the bracket 140 is mounted between the doors 120a and 120b, and the bracket has a hollow through which the sliding rocker 150 penetrates.

따라서, 열쇠(170)를 슬롯(164)에 삽입하여 돌리면 돌기축(162)이 축회전하게 되고, 돌기축(162)은 삽입홈(152)의 상하면을 가압하여 슬라이딩로커(150)를 상하로 이동시킴으로써, 도어(120a,120b)들을 동시에 잠금하게 되는 것이다.Therefore, when the key 170 is inserted into the slot 164 and turned, the protrusion shaft 162 rotates, and the protrusion shaft 162 presses the upper and lower surfaces of the insertion groove 152 to move the sliding rocker 150 up and down. By moving, the doors 120a and 120b are simultaneously locked.

하지만, 이러한 종래의 냉장고는 잠금장치의 브라켓(140)이 외부로 노출되어 있으므로, 도어를 통해 저장물을 인입/인출할 때에 방해가 될 뿐만아니라 외관상으로도 보기가 좋지 않게 되는 문제점이 있었다.However, in the conventional refrigerator, since the bracket 140 of the locking device is exposed to the outside, there is a problem in that it is not only obstructive when the storage device is pulled in / out through the door, but also looks bad in appearance.

이에, 본 발명은 이러한 문제점을 해결하기 위해 안출된 것으로서, 그 목적은 냉각실로부터 저장물을 인입/인출할 때에 방해가 되지 않는 잠금장치를 구비한 냉장고를 제공함에 있다.Accordingly, the present invention has been made to solve this problem, an object of the present invention is to provide a refrigerator having a locking device that does not interfere when the storage is drawn in / removed from the cooling chamber.

도1은 종래의 영업용 냉장고중 일예를 도시한 사시도,1 is a perspective view showing an example of a conventional commercial refrigerator;

도2는 도1의 A부분에 대한 종단면도,FIG. 2 is a longitudinal sectional view of part A of FIG. 1;

도3은 본 발명에 따른 냉장고의 잠금장치 부분을 도시한 종단면도,Figure 3 is a longitudinal sectional view showing a locking portion of the refrigerator according to the present invention;

도4는 도3의 잠금장치 결합구조를 도시한 사시도이다.4 is a perspective view showing the locking device coupling structure of FIG.

<도면의 주요부분에 대한 부호의 설명><Description of the symbols for the main parts of the drawings>

10: 잠금장치 20: 회동로커10: locking device 20: rotating rocker

22: 피니언부 24: 록킹부22: pinion part 24: locking part

30: 슬라이딩로커 32: 래크부30: sliding rocker 32: rack portion

40: 록킹홈 50: 열쇠40: locking groove 50: key

이러한 목적을 달성하기 위한 본 발명은 인접 형성된 제1 및 제2냉각실을 형성하는 캐비닛과, 한쌍의 냉각실의 전면개구를 각각 개폐하는 제1도어를 갖는 냉장고에 있어서, 제1도어의 판면에 가로로 회전가능하게 관통설치되며, 캐비닛을 향한 선단부에 캐비닛의 소정 부분과 맞물리는 록킹부를 갖는 회동로커; 제1도어에 슬라이딩 출입가능하게 설치되어 제2도어에 형성된 록킹공과 맞물리는 슬라이딩로커; 및 회동로커의 회전운동을 슬라이딩로커의 슬라이딩운동으로 전환시켜, 제1도어의 록킹과 제1도어와 제2도어간의 록킹을 동시에 이루어 지도록 하는 연동수단을 구비하고 있다.In order to achieve the above object, the present invention provides a refrigerator having a cabinet for forming adjacent first and second cooling chambers and a first door for opening and closing the front openings of a pair of cooling chambers, respectively. A rotatable locker rotatably installed horizontally and having a locking portion engaged with a predetermined portion of the cabinet at a front end of the cabinet; A sliding rocker installed in the first door so as to be slidable and engaged with the locking hole formed in the second door; And an interlocking means for converting the rotational movement of the rotational rocker into the sliding movement of the sliding rocker so that locking of the first door and locking between the first door and the second door are simultaneously performed.

상기 회동로커의 록킹부는 회동로커의 축선방향에 가로로 돌출되어 있으며, 캐비닛에는 록킹부와 맞물리는 록킹홈이 형성된 것을 특징으로 하고 있다.The locking part of the rotating rocker protrudes horizontally in the axial direction of the rotating rocker, and the cabinet is characterized in that a locking groove is formed to engage the locking part.

상기 연동수단은 회동로커에 형성된 피니언부와, 슬라이딩로커에 형성되어 상기 피니언부에 맞물리는 래크부로 이루어지는 것을 특징으로 하고 있다.The interlocking means may include a pinion portion formed in the rotational rocker and a rack portion formed in the sliding rocker to engage the pinion portion.

상기 회동로커의 노출측부에 열쇠용 슬롯이 형성된 것을 특징으로 하고 있다.A key slot is formed on the exposed side of the rotation locker.

이하, 첨부된 도면을 참조하여 본 발명의 구성 및 작용을 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and operation of the present invention.

도3은 본 발명에 따른 잠금장치를 도시한 것으로서, 종래의 잠금장치를 도시하는 도2에 대응되는 도면이다.3 is a view showing a locking device according to the present invention, which corresponds to FIG. 2 showing a conventional locking device.

도3에서 보는 바와 같이, 냉장고의 캐비닛(110) 전방면에는 제1도어 (120b)와 제2도어(120a)가 회동가능하게 결합되어 있다. 이중, 제2도어(120a)는 그 하측단에 록킹공(124)이 형성되어 있고, 제1도어(120b)는 그 상측에 잠금장치(10)가 설치되어 있다. 이러한 잠금장치(10)에 대해서는 도4에 자세히 도시되어 있다.As shown in FIG. 3, the first door 120b and the second door 120a are rotatably coupled to the front surface of the cabinet 110 of the refrigerator. Of the second door 120a, a locking hole 124 is formed at the lower end thereof, and the locking device 10 is provided at the upper side of the first door 120b. Such a lock 10 is shown in detail in FIG.

도4에서 보는 바와 같이, 잠금장치(10)는 제1도어(120b)측에 관통되어 축결합된 회동로커(20)와, 회동로커에 맞물림되어 제2도어(120a)쪽으로 향하고 있는 수직이동로커(30)를 구비하고 있다. 이중, 회동로커(20)는 원기둥형상으로 제작되며, 그 일선단부에는 열쇠(50)가 삽입되는 슬롯(26)이 형성되어 있고, 타선단부에는 캐비닛의 록킹홈(40)에 삽입될 수 있도록 상향으로 돌출한 록킹부(24)가 형성되어 있다. 또한, 이러한 일선단부와 타선단부간의 회동로커(20) 원주면에는 다수의 나사산을 갖는 피니언부(22)가 가공되어 있다. 한편, 수직이동로커(30)는 그 일선단부에 회동로커의 피니언부(22)와 맞물림되는 래크부(32)를 갖고 있으며, 타선단부는 상측도어의 록킹공(124)을 향하고 있다.As shown in Fig. 4, the locking device 10 is a pivoting rocker 20 which is axially coupled to the first door 120b and a vertically movable rocker engaged with the pivoting locker and directed toward the second door 120a. 30 is provided. Of these, the rotation rocker 20 is manufactured in a cylindrical shape, the one end is formed with a slot 26 into which the key 50 is inserted, and the other end is upwardly inserted so as to be inserted into the locking groove 40 of the cabinet. The locking part 24 which protrudes is formed. In addition, a pinion portion 22 having a plurality of threads is machined on the circumferential surface of the rotation rocker 20 between the one end portion and the other end portion. On the other hand, the vertical movement rocker 30 has a rack portion 32 engaged with the pinion portion 22 of the rotational rocker at one end thereof, and the other end portion thereof faces the locking hole 124 of the upper door.

따라서, 하측도어(120b)에 관통된 회동로커의 슬롯(26)에 열쇠(50)를 삽입하여 돌리면, 회동로커의 피니언부(22)와 맞물려 있는 래크부(32)가 상향 또는 하향이동하게 됨으로써 수직이동로커(30)를 상향 또는 하향 이동시키게 된다. 이리하여, 수직이동로커(30)의 선단부가 제2도어(120a)의 록킹공(124)내로/으로부터 삽입/제거됨으로써 도어들을 동시에 잠금 또는 잠금해제할 수 있는 것이다.Therefore, when the key 50 is inserted and turned into the slot 26 of the rotating rocker penetrated by the lower door 120b, the rack portion 32 engaged with the pinion portion 22 of the rotating rocker moves upward or downward. The vertical movement rocker 30 is moved upward or downward. Thus, the front end portion of the vertical movement rocker 30 can be locked / unlocked at the same time by being inserted / removed into / from the locking hole 124 of the second door 120a.

상술한 바와 같이, 본 발명에 따른 냉장고는 도어들을 잠금하는 잠금장치가 도어내부에 장착되게 되므로, 잠금장치의 연결부위가 외부로 노출되지 않게 됨으로써 잠금장치 구조물이 저장물의 입출고를 방해하지 않게 되는 효과가 있다.As described above, in the refrigerator according to the present invention, since the locking device for locking the doors is mounted inside the door, the connection part of the locking device is not exposed to the outside so that the locking device structure does not interfere with the entry and exit of the storage. There is.

Claims

A refrigerator having adjacent cabinets for forming first and second cooling chambers and first and second doors for opening and closing front openings of the pair of cooling chambers, respectively, wherein the refrigerator rotates horizontally on the plate surface of the first door. A rotatable locker, which is installed to be able to penetrate and has a locking portion engaged with a locking groove formed in the cabinet at a front end of the cabinet; A sliding rocker installed in the first door in such a manner as to slide in and out and engaged with the locking hole formed in the second door; Locking and first locking of the first door by having a pinion portion formed on the rotational rocker and a rack portion formed on the sliding rocker to engage the pinion portion, and converting the rotational movement of the rotational rocker to the sliding linear movement of the sliding rocker. A refrigerator having an interlocking means for locking simultaneously between the first door and the second door.

The refrigerator of claim 1, wherein the locking part of the pivoting locker protrudes horizontally in the axial direction of the pivoting locker, and a cabinet is provided with a locking groove engaged with the locking part.

The refrigerator according to claim 1, wherein a key slot is formed on an exposed side of the rotation locker.