KR20010019761A - Hinge bracket for microwave oven and marking method thereof - Google Patents

Hinge bracket for microwave oven and marking method thereof Download PDF

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Publication number
KR20010019761A
KR20010019761A KR1019990036345A KR19990036345A KR20010019761A KR 20010019761 A KR20010019761 A KR 20010019761A KR 1019990036345 A KR1019990036345 A KR 1019990036345A KR 19990036345 A KR19990036345 A KR 19990036345A KR 20010019761 A KR20010019761 A KR 20010019761A
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South Korea
Prior art keywords
hinge bracket
door
hinge
microwave oven
main body
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KR1019990036345A
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Korean (ko)
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KR100334641B1 (en
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조재만
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윤종용
삼성전자 주식회사
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Priority to KR1019990036345A priority Critical patent/KR100334641B1/en
Publication of KR20010019761A publication Critical patent/KR20010019761A/en
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    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6414—Aspects relating to the door of the microwave heating apparatus
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B6/00—Heating by electric, magnetic or electromagnetic fields
    • H05B6/64—Heating using microwaves
    • H05B6/6408—Supports or covers specially adapted for use in microwave heating apparatus

Abstract

PURPOSE: A hinge bracket and a producing method thereof are provided to easily assemble a microwave oven and to prevent the microwave oven from being defective. CONSTITUTION: A hinge bracket(10) comprises a fixing portion(21) fixed to a body by a welding; and a pair of door hinge portions(23) drawn forward through a hinge through hole to rotate a door and bent from the upper and the lower end of the fixing portion. A pin combining hole(25) is formed in the free end area of the door hinge portion and an uneven pattern(20) is formed on the surface of the hinge bracket. The uneven pattern increases the surface tension of the hinge bracket to prevent the door hinge portions from being bent. A metal plate material is pressed, blanked and stamped to be the intermediate molding material of the hinge bracket with the uneven pattern. The both ends of the intermediate molding material are bent to form the door hinge portion.

Description

전자렌지용 힌지브라켓 및 그 제조방법{HINGE BRACKET FOR MICROWAVE OVEN AND MARKING METHOD THEREOF}HINGE BRACKET FOR MICROWAVE OVEN AND MARKING METHOD THEREOF}

본 발명은, 조리실을 형성하는 본체와, 상기 조리실의 전면개구를 개폐하는 도어와, 상기 본체에 설치되어 상기 도어를 회동지지하는 힌지브라켓을 갖는 전자렌지에 관한 것이다.The present invention relates to a microwave oven having a main body that forms a cooking chamber, a door that opens and closes the front opening of the cooking chamber, and a hinge bracket installed on the main body to support the door.

도 4는 종래의 힌지브라켓을 갖는 전자렌지의 사시도이고, 도 5는 도 4의 힌지브라켓 사시도이다. 이들 도면에 도시된 바와 같이, 전자렌지는, 조리실(113) 및 부품실(미도시)이 형성되어 있는 본체(101)와, 본체(101)의 전방에 설치되어 조리실(113)의 전면개구를 회동개폐하는 도어(103)와, 본체(101)의 전방 좌측영역에 설치되어 도어(103)를 회동지지하는 힌지브라켓(110)을 구비하고 있다.Figure 4 is a perspective view of a microwave oven having a conventional hinge bracket, Figure 5 is a perspective view of the hinge bracket of FIG. As shown in these figures, the microwave oven is provided in front of the main body 101 and the main body 101 in which the cooking chamber 113 and the component chamber (not shown) are formed, and the front opening of the cooking chamber 113 is opened. The door 103 which rotates and opens and the hinge bracket 110 which is provided in the front left area | region of the main body 101, and supports the door 103 is rotated.

본체(101)의 전방 좌측영역의 상,하 연부에는 후술할 힌지브라켓(110)의 도어힌지부(123)가 본체(101)의 전방으로 인출될 수 있도록 힌지통과공(111)이 형성되어 있으며, 힌지통과공(111)에 대응하는 도어(103)의 배면 상,하 연부에는 힌지브라켓(110)의 인출된 도어힌지부(123)와 결합되는 힌지핀(미도시)이 마련되어 있다.Hinge passing holes 111 are formed at the upper and lower edges of the front left region of the main body 101 so that the door hinge 123 of the hinge bracket 110 to be described later can be drawn out to the front of the main body 101. A hinge pin (not shown) coupled to the door hinge portion 123 drawn out of the hinge bracket 110 is provided at the upper and lower edges of the door 103 corresponding to the hinge passage hole 111.

한편, 종래의 힌지브라켓(110)은, 도 5에 도시된 바와 같이, 용접 등에 의해 본체(101)에 고정되는 고정부(121)와, 고정부(121)의 상,하 단부로부터 절곡 형성되며 본체(101)의 힌지통과공(111)을 통해 본체(101)의 전방으로 인출되어 도어(103)를 회동지지하는 한 쌍의 도어힌지부(123)로 구성되어 있으며, 도어힌지부(123)의 자유단부영역에는 도어(103)의 힌지핀이 결합되는 핀결합공(125)이 형성되어 있다.Meanwhile, as shown in FIG. 5, the conventional hinge bracket 110 is bent from the upper and lower ends of the fixing part 121 and the fixing part 121 fixed to the main body 101 by welding or the like. It is composed of a pair of door hinge 123 which is drawn out to the front of the main body 101 through the hinge through hole 111 of the main body 101 to rotate the door 103, the door hinge 123 In the free end region of the pin 103 is formed a pin coupling hole 125 to which the hinge pin of the door 103 is coupled.

이 힌지브라켓(110)은 금속판재를 프레스가공하여 제작되는데, 그 제작공정은 다음과 같다. 우선 금속판재를 마련한 다음, 프레스가공 방식 중 블랭킹가공에 의해 힌지브라켓(110)의 중간성형물을 얻고 난 후, 중간성형물의 양단부를 벤딩하여 도어힌지부(123)를 형성함으로써, 힌지브라켓(110)의 완제품을 형성하게 된다.The hinge bracket 110 is produced by pressing a metal plate, the manufacturing process is as follows. First, after preparing the metal sheet, and then obtaining the intermediate molding of the hinge bracket 110 by blanking in the press working method, by bending both ends of the intermediate molding to form the door hinge 123, the hinge bracket 110 To form a finished product.

그런데, 이러한 종래의 힌지브라켓(110)에 있어서는, 힌지브라켓(110)의 소재인 금속판재가 권취된 롤형상으로 제작공정에 투입되기 때문에, 프레스가공 후에도 금속판재에 남아있는 잔류응력에 의해, 힌지브라켓(110)에 휨이 발생하여 평탄도를 저하시키게 된다.By the way, in the conventional hinge bracket 110, since the metal plate material, which is the material of the hinge bracket 110, is introduced into the manufacturing process in the form of a rolled roll, the hinge bracket is retained by the residual stress remaining on the metal plate material after the press working. Warpage occurs at 110 to reduce flatness.

이에 의해, 힌지브라켓(110)의 고정부(121)를 본체(101)에 고정하는 작업 및 힌지브라켓(110)의 도어힌지부(123)와 도어(103)의 힌지핀(미도시)간의 조립작업이 용이하지 못한 문제점이 발생하다.Thereby, the work of fixing the fixing part 121 of the hinge bracket 110 to the main body 101, and assembling between the door hinge part 123 of the hinge bracket 110 and the hinge pin (not shown) of the door 103. Problems arise that are not easy to work.

또한, 도어(103)의 조립 후에도 힌지브라켓(110)의 휨에 의해 도어(103)가 일측으로 치우쳐 본체(101)의 전면과 접촉됨으로써, 소위 핫스폿(Hot Spot)이라고 하는 발열현상이 발생하여 제품불량을 초래하는 문제점이 있다.In addition, even after assembly of the door 103, the door 103 is biased to one side and contacted with the front surface of the main body 101 due to the bending of the hinge bracket 110, so that a heat generation phenomenon called a hot spot occurs. There is a problem that causes product defects.

따라서, 본 발명의 목적은, 조립작업을 용이하게 할 수 있으며, 제품불량을 방지할 수 있는 전자렌지용 힌지브라켓 및 그 제조방법을 제공하는 것이다.Accordingly, it is an object of the present invention to provide a hinge bracket for a microwave oven and a method of manufacturing the same, which can facilitate assembly work and prevent product defects.

도 1은 본 발명에 따른 힌지브라켓을 갖는 전자렌지의 사시도,1 is a perspective view of a microwave oven having a hinge bracket according to the present invention,

도 2는 도 1의 힌지브라켓의 사시도,Figure 2 is a perspective view of the hinge bracket of Figure 1,

도 3은 도 2의 Ⅲ-Ⅲ선에 따른 단면도,3 is a cross-sectional view taken along line III-III of FIG. 2;

도 4는 종래의 힌지브라켓을 갖는 전자렌지의 사시도,4 is a perspective view of a microwave oven having a conventional hinge bracket,

도 5는 도 4의 힌지브라켓 사시도.5 is a perspective view of the hinge bracket of FIG.

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

1 : 본체 3 : 도어1: body 3: door

10 : 힌지브라켓 13 : 조리실10: hinge bracket 13: cooking chamber

20 : 요철패턴 21 : 고정부20: uneven pattern 21: fixing part

23 : 도어힌지부23: door hinge

상기 목적은, 본 발명에 따라, 조리실이 형성되어 있는 본체에 설치되어 상기 조리실의 전면개구를 회동개폐하는 도어를 회동지지하는 전자렌지용 힌지브라켓에 있어서, 상기 힌지브라켓 표면의 적어도 일부영역에 휨방지용 요철패턴이 형성되어 있는 것을 특징으로 하는 전자렌지에 의해서 달성된다.The object of the present invention is a hinge bracket for a microwave oven, which is installed in a main body in which a cooking chamber is formed and pivotally supports a door for opening and closing a front opening of the cooking chamber, wherein the bending bracket is bent in at least a portion of the surface of the hinge bracket. It is achieved by the microwave oven characterized by the prevention uneven | corrugated pattern formed.

여기서, 상기 휨방지용 요철패턴은 메쉬형상을 가지며, 상기 힌지브라켓 표면의 전구간에 걸쳐 형성되는 것이 바람직하다.Here, the bending preventing concave-convex pattern has a mesh shape, it is preferably formed over the entire span of the hinge bracket surface.

한편, 상기 목적은, 본 발명의 다른 분야에 따르면, 조리실이 형성되어 있는 본체에 설치되어 상기 조리실의 전면개구를 회동개폐하는 도어를 회동지지하는 전자렌지용 힌지브라켓의 제조방법에 있어서, 소재판재의 블랭킹과 동시에 스탬핑을 시행하여 표면에 요철패턴을 갖는 중간성형물을 얻는 단계와; 상기 도어를 회동지지하는 도어힌지부를 갖도록 상기 중간성형물의 양단부를 벤딩하여 완제품을 얻는 단계를 포함하는 것을 특징으로 하는 전자렌지용 힌지브라켓의 제조방법에 의해 달성될 수 있다.On the other hand, the above object, according to another field of the present invention, in the manufacturing method of the hinge bracket for a microwave oven, which is installed in the main body in which the cooking chamber is formed to rotate the door for rotating and opening the front opening of the cooking chamber, Stamping simultaneously with the blanking step to obtain an intermediate molded product having an uneven pattern on the surface; It can be achieved by a method for manufacturing a hinge bracket for a microwave oven, comprising the step of obtaining the finished product by bending both ends of the intermediate molding to have a door hinge portion for supporting the door.

이하에서는 첨부도면을 참조하여 본 고안에 대해 상세히 설명한다.Hereinafter, with reference to the accompanying drawings will be described in detail for the subject innovation.

도 1은 본 발명에 따른 힌지브라켓을 갖는 전자렌지의 사시도이고, 도 2는 도 1의 힌지브라켓의 사시도이며, 도 3은 도 2의 Ⅲ-Ⅲ선에 따른 단면도이다. 이들 도면에 도시된 바와 같이, 전자렌지는, 조리실(13) 및 부품실(미도시)이 형성되어 있는 본체(1)와, 본체(1)의 전방에 설치되어 조리실(13)의 전면개구를 회동개폐하는 도어(3)와, 본체(1)의 전방 좌측영역에 설치되어 도어(3)를 회동지지하는 힌지브라켓(10)을 구비하고 있다.1 is a perspective view of a microwave oven having a hinge bracket according to the present invention, Figure 2 is a perspective view of the hinge bracket of Figure 1, Figure 3 is a cross-sectional view taken along line III-III of FIG. As shown in these figures, the microwave oven is provided in front of the main body 1 and the main body 1 in which the cooking chamber 13 and the component chamber (not shown) are formed, and the front opening of the cooking chamber 13 is opened. A door 3 for rotating and opening, and a hinge bracket 10 provided in the front left area of the main body 1 for supporting the door 3 in a rotational manner.

본체(1)의 전방 좌측영역의 상,하 연부에는 후술할 힌지브라켓(10)의 도어힌지부(23)가 본체(1)의 전방으로 인출될 수 있도록 힌지통과공(11)이 형성되어 있으며, 힌지통과공(11)에 대응하는 도어(3)의 배면 상,하 연부에는 힌지브라켓(10)의 인출된 도어힌지부(23)와 결합되는 힌지핀(미도시)이 마련되어 있다.Hinge passing holes 11 are formed at the upper and lower edges of the front left region of the main body 1 so that the door hinge 23 of the hinge bracket 10 to be described later can be drawn out to the front of the main body 1. The hinge pins (not shown) coupled to the door hinges 23 of the hinge brackets 10 are provided at upper and lower edges of the rear surface of the door 3 corresponding to the hinge passage hole 11.

한편, 본 발명에 따른 힌지브라켓(10)은, 도 2 및 도 3에 도시된 바와 같이, 용접 등에 의해 본체(1)에 고정되는 고정부(21)와, 고정부(21)의 상,하 단부로부터 절곡 형성되며 본체(1)의 힌지통과공(11)을 통해 본체(1)의 전방으로 인출되어 도어(3)를 회동지지하는 한 쌍의 도어힌지부(23)로 구성되어 있다. 그리고, 도어힌지부(23)의 자유단부영역에는 도어(3)의 힌지핀이 결합되는 핀결합공(25)이 형성되어 있으며, 힌지브라켓(10)의 표면에는 메쉬형상의 휨방지용 요철패턴(20)이 표면의 전구간에 걸쳐 형성되어 있다. 이 요철패턴(20)은 힌지브라켓(10)의 표면장력을 향상시켜 프레스성형 후 힌지브라켓(10)의 휨을 방지한다.On the other hand, the hinge bracket 10 according to the present invention, as shown in Figs. 2 and 3, the fixing portion 21 is fixed to the main body 1 by welding or the like, the upper and lower portions of the fixing portion 21 It is formed from a pair of door hinges 23 which are bent from the end and drawn out to the front of the main body 1 through the hinge passage hole 11 of the main body 1 to pivotally support the door 3. In addition, a pin coupling hole 25 to which the hinge pins of the door 3 are coupled is formed in the free end region of the door hinge portion 23, and a mesh-shaped bending prevention concave-convex pattern is formed on the surface of the hinge bracket 10. 20) formed throughout the entire surface of the surface. The uneven pattern 20 improves the surface tension of the hinge bracket 10 to prevent bending of the hinge bracket 10 after press molding.

이러한 전자렌지용 힌지브라켓(10)은 금속판재를 프레스가공 하여 제작되며, 그 제작공정은, 우선, 금속판재를 마련한 다음, 프레스가공 방식 중 블랭킹과 동시에 스탬핑 가공하여 표면에 요철패턴(20)을 갖는 힌지브라켓(10)의 중간성형물을 얻고 난 후, 중간성형물의 양단부를 벤딩하여 도어힌지부(23)를 형성함으로써, 힌지브라켓(10)의 완제품을 형성하게 된다.The hinge bracket 10 for a microwave oven is manufactured by pressing a metal plate material, and the manufacturing process includes, firstly, preparing a metal plate material, and then stamping and simultaneously stamping the surface of the press working method to form an uneven pattern 20 on the surface. After obtaining the intermediate molding of the hinge bracket 10 having, the bent ends of the intermediate molding to form a door hinge portion 23, thereby forming the finished product of the hinge bracket (10).

이와 같이, 힌지브라켓(10)의 표면에 메쉬형상의 요철패턴(20)을 형성하여 힌지브라켓(10)의 표면장력을 향상시킴으로써, 금속판재에 남아있는 잔류응력에 영향을 받지 않고, 힌지브라켓(10)의 평탄도를 향상시킬 수 있다.Thus, by forming the mesh-shaped uneven pattern 20 on the surface of the hinge bracket 10 to improve the surface tension of the hinge bracket 10, the hinge bracket ( 10) can improve the flatness.

이에 의해, 힌지브라켓(10)의 고정부(21)를 본체(1)에 고정하는 작업 및 힌지브라켓(10)의 도어힌지부(23)와 도어(3)의 힌지핀간의 조립작업을 용이하게 행할 수 있다.As a result, the work for fixing the fixing portion 21 of the hinge bracket 10 to the main body 1 and the assembling work between the door hinge portion 23 of the hinge bracket 10 and the hinge pins of the door 3 can be easily performed. I can do it.

또한, 힌지브라켓(10)의 평탄도를 향상시킴으로써, 도어(3)의 치우침에 의해 발생하는 본체(1)와 도어(3)간의 접촉에 따른 핫스폿(Hot Spot)현상을 방지하여 제품불량을 개선할 수 있다.In addition, by improving the flatness of the hinge bracket 10, it is possible to prevent hot spots caused by contact between the main body 1 and the door 3 caused by the bias of the door 3 to prevent product defects. It can be improved.

이상 설명한 바와 같이, 본 발명에 따르면, 조립작업을 용이하게 할 수 있으며, 제품불량을 방지할 수 있는 전자렌지용 힌지브라켓이 제공된다.As described above, according to the present invention, there is provided a hinge bracket for a microwave oven which can facilitate the assembly work and can prevent product defects.

Claims (3)

조리실이 형성되어 있는 본체에 설치되어 상기 조리실의 전면개구를 회동개폐하는 도어를 회동지지하는 전자렌지용 힌지브라켓에 있어서,In the hinge bracket for a microwave oven, which is installed on a main body in which a cooking chamber is formed, and pivotally supports a door for rotating and opening the front opening of the cooking chamber. 상기 힌지브라켓 표면의 적어도 일부영역에 휨방지용 요철패턴이 형성되어 있는 것을 특징으로 하는 전자렌지용 힌지브라켓.The hinge bracket for microwave oven, characterized in that the bending preventing irregularities pattern is formed in at least a portion of the surface of the hinge bracket. 제 1항에 있어서,The method of claim 1, 상기 휨방지용 요철패턴은 메쉬형상을 가지며, 상기 힌지브라켓 표면의 전구간에 걸쳐 형성되는 것을 특징으로 하는 전자렌지용 힌지브라켓.The bending preventing concave-convex pattern has a mesh shape, the hinge bracket for a microwave oven, characterized in that formed over the entire span of the hinge bracket surface. 조리실이 형성되어 있는 본체에 설치되어 상기 조리실의 전면개구를 회동개폐하는 도어를 회동지지하는 전자렌지용 힌지브라켓의 제조방법에 있어서,In the method of manufacturing a hinge bracket for a microwave oven is installed on the main body is formed in the cooking chamber to rotate the door for rotating and opening the front opening of the cooking chamber, 소재판재의 블랭킹과 동시에 스탬핑을 시행하여 표면에 요철패턴을 갖는 중간성형물을 얻는 단계와;Obtaining an intermediate molding having a concave-convex pattern on the surface by performing stamping simultaneously with the blanking of the material sheet; 상기 도어를 회동지지하는 도어힌지부를 갖도록 상기 중간성형물의 양단부를 벤딩하여 완제품을 얻는 단계를 포함하는 것을 특징으로 하는 전자렌지용 힌지브라켓의 제조방법.And bending the both ends of the intermediate molded part to have a door hinge part for supporting the door to obtain a finished product.
KR1019990036345A 1999-08-30 1999-08-30 Hinge bracket for microwave oven and marking method thereof KR100334641B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100646894B1 (en) * 2003-10-16 2006-11-17 엘지전자 주식회사 A Structure of Hinge assembly for Microwave oven

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100646894B1 (en) * 2003-10-16 2006-11-17 엘지전자 주식회사 A Structure of Hinge assembly for Microwave oven

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