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KR200488951Y1 - Hinge apparatus for a folding door - Google Patents

Hinge apparatus for a folding door Download PDF

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Publication number
KR200488951Y1
KR200488951Y1 KR2020180004514U KR20180004514U KR200488951Y1 KR 200488951 Y1 KR200488951 Y1 KR 200488951Y1 KR 2020180004514 U KR2020180004514 U KR 2020180004514U KR 20180004514 U KR20180004514 U KR 20180004514U KR 200488951 Y1 KR200488951 Y1 KR 200488951Y1
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South Korea
Prior art keywords
door
cam
frame
lower cam
rotated
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KR2020180004514U
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Korean (ko)
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배진영
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배진영
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Priority to KR2020180004514U priority Critical patent/KR200488951Y1/en
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D11/00—Additional features or accessories of hinges
    • E05D11/08—Friction devices between relatively-movable hinge parts
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D15/00—Suspension arrangements for wings
    • E05D15/26—Suspension arrangements for wings for folding wings
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
    • E05D7/082—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated at a considerable distance from the edges of the wing, e.g. for balanced wings
    • E05D7/086—Braking devices structurally combined with hinges
    • 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
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
    • E05F1/1223—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a compression or traction spring
    • 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
    • E05F3/00—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices
    • E05F3/20—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices in hinges
    • 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
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Hinges (AREA)

Abstract

본 고안은 접이식 도어를 앞 또는 뒤로 열면 다시 닫힌 상태로 되게 하는 접이식 도어 힌지장치에 관한 것으로, 상부캠 하부와 하부캠 상부가 1/2 원호로 연속되어서, 상기 하부캠의 회전에 따라 서로 맞물리거나 어긋나 벌어지게 형성되는 승하강가이드부가 형성되게 하되, 상기 하부캠의 외주면에 2개 한 쌍의 결합리브에 의해 그 사이에 결합홈이 형성되게 하고, 상, 하부캡과, 탄성부가 삽입되는 도어측면프레임의 내주면에 상기 결합리브가 삽입되는 프레임결합홈이 형성되게 하는 동시에 상기 결합홈에 삽입되는 프레임결합돌기가 형성되게 하는 것을 특징으로 한다.The present invention relates to a foldable door hinge device for bringing a folding door into a closed state when opened or closed in a front or rear direction, wherein the upper cam lower part and the upper cam upper part are continuous in a ½ arc, And a pair of coupling ribs formed on an outer circumferential surface of the lower cam so as to form an engagement groove therebetween, the upper and lower caps, and the door side surface into which the elastic portion is inserted A frame engaging groove into which the engaging rib is inserted is formed on an inner peripheral surface of the frame, and a frame engaging projection inserted into the engaging groove is formed.

Description

접이식 도어 힌지장치{HINGE APPARATUS FOR A FOLDING DOOR}HINGE APPARATUS FOR A FOLDING DOOR

본 고안은 접이식 도어 힌지장치에 관한 것으로, 특히, 도어를 앞 또는 뒤로 열면 다시 닫힌 상태로 되게 하는 접이식 도어 힌지장치에 관한 것이다.The present invention relates to a folding door hinge device, and more particularly to a folding door hinge device that causes a door to be closed again when opened frontward or backward.

일반적으로 폴딩도어(folding Door)는 열릴 때 함께 접히는 2개의 연접식 도어로 구성된 미닫이도어로, 방음, 방풍이 우수하여 건물 내, 외부용으로 설치되어 사용되고 있으며, 도어가 열리면 자동으로 닫히게 하는 힌지장치가 설치된다.Generally, a folding door is a sliding door composed of two connecting doors folded together when it is opened. It is installed and used inside and outside the building because of its excellent soundproofing and wind protection. It also has a hinge device Respectively.

상기 힌지장치는 도어가 열리면 자동으로 닫히게 하는 것으로, 도어를 앞 또는 뒤로 회전시켜 열면, 캠이 탄성체를 압축 또는 인장시키면서 자동으로 도어가 닫히게 한다.The hinge device automatically closes when the door is opened. When the door is opened by rotating the door forward or backward, the cam automatically closes the door while compressing or tensioning the elastic body.

종래 힌지축과 캠이 면접촉 슬라이딩 운동하여서 작동할 때 발생하는 응력에 견디면서, 캠에 탄성력을 부여하여 문을 열어도 자동으로 복귀되게 하는 것이 대한민국 공개특허 제2007-0060369호에 개시되어 있으나, 캠의 힌지축 및 캠부의 면접촉 구간이 적어 부하가 증대되어, 복귀되는 힘을 상쇄하기 어려운 구조를 갖는 문제점이 있었다.Japanese Unexamined Patent Application Publication No. 2007-0060369 discloses that the hinge shaft and the cam are resilient to the stress generated when the cam is in sliding contact with the surface, and are automatically returned even if the door is opened by applying an elastic force to the cam. The hinge axis of the cam and the surface contact portion of the cam portion are so small that the load is increased and the restoring force is not easily canceled.

또한, 회전방지 가이드의 구성이 별도로 설치되어, 조립 작업성이 저하되는 한편, 구성 부푼의 증가로 생산원가가 상승되는 문제점이 있었다.In addition, the configuration of the anti-rotation guide is separately provided, which lowers the assembly workability, and increases the production cost due to an increase in the construction bulge.

본 고안은 상기와 같은 문제점을 개선하기 위한 것으로, 그 목적은 도어가 어느 회전방향으로 회전되어 열려도, 부하를 줄일 수 있게 상,하부 캠이 서로 맞물리게 하는 것과, 구성 부품을 단순화 하여 조립 작업성이 향상되게 하는 접이식 도어 힌지장치를 제공하는 것이다.The object of the present invention is to solve the above problems, and it is an object of the present invention to provide a door for a door, which can be opened and rotated in any direction of rotation, so that the upper and lower cams are engaged with each other to reduce the load, And a door hinge device for a folding door.

본 고안의 접이식 도어 힌지장치는 문틀상부에 고정되는 문틀고정구(110)에 결속되고, 하부가 1/2 원호로 연속되는 상부캠(140)과, 도어측면에 결속되는 도어고정구(130)와 서로 회전되고, 상부가 1/2 원호로 연속되는 하부캠(150)과, 하부캠(150) 아래에서 탄성력으로 지지하는 탄성부(170)와, 상,하부캠(140)(150)과 탄성부(170)가 동일 축으로 연결하게 되는 힌지핀부(160)와, 상기 상, 하부캠(140)(150)과, 탄성부(170)가 삽입되는 도어측면프레임(20)으로 구성되고, 상기 상, 하부캠(140)(150)이 서로 맞물렸다가 하부캠(150)이 회전되어 어긋나면 서로 벌어져서 탄성부(170)에 의해 복원력을 갖는 하부캠(150)에 의해 회전이 자동 복귀되며, 하부캠(150)의 회전에 따라 서로 맞물리거나 어긋나 벌어지게 형성되는 승하강가이드부(141)(151)가 형성되는 접이식 도어힌지장치에 있어서, 상기 하부캠(150)의 외주면에 2개 한 쌍의 결합리브(152)에 의해 그 중앙에 결합홈(153)이 형성되게 하는 한편, 상기 도어측면프레임(20)의 내주면에 2개 한 쌍의 프레임결합홈(22)에 의해 그 중앙에 프레임결합돌기(23)가 형성되게 하여, 상기 프레임결합돌기(23)와 상기 결합홈(153)이 결합되게 하고, 상기 도어고정구(130)의 상부에 상기 힌지핀부(160)의 상부가 좌, 우로 움직이지 않게 고정되어 회전되게 하는 연결구(132)가 삽입되는 돌출구(131)가 형성되는 것을 특징으로 한다.The foldable door hinge device of the present invention includes a top cam 140 bounded by a door frame fastener 110 fixed to an upper portion of a door frame and having a lower portion connected to a half circular arc, A lower cam 150 rotatably connected to the lower cam 150 and having an upper portion connected to the lower cam 150 and an upper portion connected to the upper portion of the lower cam 150, And a door side frame 20 into which the elastic part 170 is inserted, wherein the upper and lower cams 140 and 150 and the upper and lower cams 140 and 150 are coupled to each other by a hinge pin part 160, The upper cam 150 and the lower cam 150 are engaged with each other and the lower cam 150 is rotated so that the lower cam 150 is separated from the lower cam 150 and the rotation is automatically returned by the lower cam 150 having the restoring force by the elastic portion 170, Descending guide portions 141 and 151 formed to be engaged with or disengaged from each other in accordance with rotation of the cam 150, A coupling groove 153 is formed in the center of the lower cam 150 by a pair of coupling ribs 152 on the outer circumferential surface of the lower cam 150 and two pairs of coupling grooves 153 are formed on the inner peripheral surface of the door side frame 20. [ The frame engaging protrusion 23 is formed at the center of the frame engaging groove 22 so that the frame engaging protrusion 23 and the engaging groove 153 are engaged with each other, And a protrusion 131 into which a connection port 132 for fixing the upper portion of the hinge pin portion 160 to the left and right is fixed is formed.

본 고안은 반원호의 캠곡선이 연속되어 동작이 부드럽다. 그리고 어느 회전방향으로 회전하여도 캠에 부하를 줄여 내구성을 높이는 동시에 도어의 각속도를 줄여 도어를 보호하는 효과가 있다. 또한, 직관적인 구성으로 복잡하지 않아 조립이 쉬운 효과도 있다.The present invention is smooth in motion with a continuous cam curve of a semicircular arc. Even if the door is rotated in any rotation direction, the load on the cam is reduced to improve the durability, and the door is protected by reducing the angular velocity of the door. In addition, the intuitive structure is not complicated and there is also an effect of easy assembly.

도 1은 본 고안 힌지장치가 문틀에 설치된 상태도.
도 2는 본 고안 힌지장치가 문틀에 설치된 상태도.
도 3은 본 고안 힌지장치의 사시도.
도 4는 본 고안 힌지장치의 분해도.
도 5는 본 고안 힌지장치의 문틀고정구 사시도.
도 6은 본 고안에 따른 상부캠의 사시도.
도 7은 본 고안에 따른 하부캠 사시도.
도 8은 본 고안에 따른 하부캠의 평면도.
도 9는 본 고안에 따른 도어측면프레임의 평면도.
도 10은 본 고안에 따른 힌지장치의 상부 분해사시도.
도 11 내지 13은 본 고안에 따른 접이식도어 힌지장치의 사용상태도.1 is a state in which the present invention hinge device is installed on a door frame.
2 is a state in which the present invention hinge device is installed on a door frame.
3 is a perspective view of the inventive hinge device.
4 is an exploded view of the inventive hinge device.
5 is a perspective view of the door frame of the present invention hinge device.
6 is a perspective view of the upper cam according to the present invention;
7 is a bottom cam perspective view of the present invention.
8 is a plan view of the lower cam according to the present invention;
9 is a plan view of a door side frame according to the present invention;
10 is a top exploded perspective view of the hinge apparatus according to the present invention;
11 to 13 are views showing the use state of the folding door hinge apparatus according to the present invention.

이하 첨부된 도면과 같이 본 고안을 설명하면 다음과 같다.Hereinafter, the present invention will be described with reference to the accompanying drawings.

본 고안은 도 1 및 2와 같이 문틀상부프레임(10) 도어(D)에 설치된 도어측면프레임(20)에 구성되는 힌지장치(100)이다.The present invention is a hinge apparatus 100 configured on a door side frame 20 provided on a door D of a door frame upper frame 10 as shown in Figs.

상기 힌지장치(100)는 도 3 및 4와 같이 문틀고정구(110), 도어고정구(130), 상부캠(140), 하부캠(150), 탄성부(170), 힌지핀부(160)로 구성된다.3 and 4, the hinge unit 100 includes a door frame fixing unit 110, a door fixing unit 130, an upper cam 140, a lower cam 150, an elastic unit 170, and a hinge pin unit 160 do.

상기 힌지핀부(160)는 상부에서 다각형으로 형성되는 고정머리구(161)와 탄성부(170)의 스프링(172)이 위아래로 압축 및 인장되게 가이드하는 스프링(172)가이드구(162), 상기 스프링(172)을 결속하기 위해 볼트(111a)로 형성되는 스프링(172)고정꼬리구(163)로 구성된다.The hinge pin part 160 includes a fixed head 161 formed in a polygonal shape at the upper part and a spring 172 guide 162 for guiding the spring 172 of the elastic part 170 to be compressed and pulled up and down, And a spring 172 fixed tail hole 163 formed by a bolt 111a for binding the spring 172. [

상기 고정머리구(161)는 내부에 볼트(111a)가 결속되는 너트홈(164)이 형성되고, 일반적으로 6각형이나 8각형이 될수 있다.The fixed head 161 is formed with a nut groove 164 into which a bolt 111a is coupled, and may be generally hexagonal or octagonal.

도 4 및 도 10 을 참조하여 보면, 상기 문틀고정구(110)는 문틀상부프레임(10)에 상부가 삽입고정된다.4 and 10, the upper part of the door frame fixing part 110 is fixedly inserted into the door frame upper frame 10.

상기 문틀고정구(110)는 내부에 제1힌지핀고정구(113)가 상기 관통형성되어 상기 고정머리구(161)가 삽입되면서 상부가 결속되게 하는 상부고정부가 구성된다.The door frame fastener 110 is formed with an upper fixing part through which the first hinge pin fastener 113 is inserted and the upper part is fastened while the fixed head part 161 is inserted.

상부고정부는 볼트(111a)가 상기 고정머리구(161)의 너트홈(164)에 볼트결합되고, 중간에 와셔(111b)를 포함시켜 풀림이 잘되지 않게 한다.The bolt 111a is bolted to the nut groove 164 of the fixed head 161 and the washer 111b is inserted in the middle of the bolt 111a.

또한, 상기 문틀고정구(110) 하부에는 상기 도어고정구(130) 상부가 삽입되는 홈인 삽입홈(112)이 형성된다.In addition, a lower portion of the door frame fixing hole 110 is formed with an insertion groove 112 into which the upper portion of the door fixing hole 130 is inserted.

상기 도어고정구(130)는 도 11과 같이, 도어측면에 결합된 도어측면프레임(20) 상부에 볼트결합된다.The door fastener 130 is bolted to the upper portion of the door side frame 20 coupled to the door side as shown in FIG.

상기 도어고정구(130)는 도 10과 같이 내부가 관통되어서 상기 고정머리구(161)가 삽입되어 회전되게 구성된다. 상기 도어고정구(130) 내부에서 상기 고정머리구(161)가 흔들리지 않게 고정머리구(161)를 고정하는 연결구(132)가 형성된다. 또한, 상기 도어고정구(130) 상부에는 내부 관통구가 연장되어 돌출되는 관인 돌출구(131)가 형성되어, 상기 삽입홈(112)에 삽입되게 된다.The door fastener 130 is inserted through the inside of the door fastener 130 as shown in FIG. A connection port 132 for fixing the fixed head opening 161 is formed in the door fixing hole 130 so that the fixed head opening 161 is not shaken. Further, a protrusion 131, which is a protruding tube, is formed at an upper portion of the door fixing hole 130 and inserted into the insertion groove 112.

상기 도어고정구(130) 아래로 상부캠(140) 및 하부캠(150)이 구성된다.The upper cam 140 and the lower cam 150 are formed below the door fastener 130.

도 6과 같이 상부캠(140) 내부에는 고정머리구(161)에 대응되는 형상의 구멍인 제2힌지핀고정구(142)가 형성된다. 상기 제2힌지핀고정구(142)에 고정머리구(161)가 삽입되어 상기 고정머리구(161)에 의해서 회전되지 못하게 된다. 상부캠(140) 아래로 반원호가 외연을 따라서 물결모양으로 연속되는 승하강가이드부(141,151)가 형성된다. 도 7 같이 상기 상부캠(140)의 승하강가이드부(141)에 대응되어서 상기 하부캠(150)이 위쪽으로 반원호가 연속되어 형성되는 승하강가이드부(151)가 형성된다. 그리고 하부캠(150) 바깥면으로 도 7과8을 참조하여서 결합홈(153)이 승하강가이드부(151)의 최고점 및 최저점에 형성된다. 상기 결합홈(153)을 중심으로 양옆에 결합리브(152)가 형성된다.6, a second hinge pin fixing hole 142, which is a hole corresponding to the fixed head hole 161, is formed in the upper cam 140. The fixed head 161 is inserted into the second hinge pin fixing hole 142 and can not be rotated by the fixed head 161. Descending guide portions 141 and 151 are formed below the upper cam 140 so that the semicircular arc is continuous in a wave shape along the outer edge. As shown in FIG. 7, upward and downward guide portions 151 are formed to correspond to the up-and-down guide portions 141 of the upper cam 140, and the lower cams 150 are formed by continuous semicircular circles upward. Referring to FIGS. 7 and 8, the engaging groove 153 is formed on the outer surface of the lower cam 150 at the highest point and the lowest point of the lifting guide 151. And engaging ribs 152 are formed on both sides of the engaging groove 153.

도 9와 같이 상기 도어측면프레임(20)은 내부에 힌지장치(100)가 위에서 삽입되게 형성되고, 상기 하부캠(150)의 결합홈(153)에 대응되어 삽입되게 프레임결합돌기(23)가 형성된다. 그리고 상기 결합리브(152)에 대응되어 삽입되게 프레임결합홈(22)이 형성되며, 상기 하부캠(150)이 올바르게 하부캠(150)에 삽입되게 결합가이드돌기(21)가 형성된다. 9, the door side frame 20 is formed so that the hinge device 100 is inserted into the upper side and the frame engaging projection 23 is inserted to correspond to the engaging groove 153 of the lower cam 150 . A frame engaging groove 22 is formed to be inserted into the engaging rib 152 and the engaging guide protrusion 21 is formed so that the lower cam 150 is inserted into the lower cam 150 correctly.

상기 탄성부(170)는 도 3 및 도 4 와같이, 상기 하부캠(150) 아래에서 상기 스프링(172)가이드구(162) 및 스프링(172)고정꼬리구(163)에 삽입관통되어 구성된다.3 and 4, the elastic portion 170 is inserted through the lower portion of the lower cam 150 into the spring 172 and the fixed portion 163 of the spring 172 .

상기 하부캠(150)의 회전에 영향이 없게 상부에서 베어링(171)과, 상기 베어링(171) 아래로 스프링(172)이 스프링(172)가이드구(162)에 삽입되어 구성된다.A bearing 171 and a spring 172 are inserted into the guide 172 of the spring 172 under the bearing 171 so as not to affect the rotation of the lower cam 150.

상기 스프링(172)아래로 관통되어 돌출된 상기 스프링(172)고정꼬리구(163)에 스프링고정구(173)가 나사결합되어서 스프링(172)을 고정하게 된다.The spring fixing member 173 is screwed to the fixed fixing member 163 of the spring 172 protruding through the spring 172 to fix the spring 172.

상기 스프링고정구(173)는 와셔(174)와 이중너트(175)가 구성되고 와셔(174)와 너트(175)가 더 포함될 수 있다.The spring fixture 173 may further include a washer 174 and a nut 175. The washer 174 and the double nut 175 may be formed.

상기와 같이 구성된 본 고안은 다음과 같이 동작한다.The present invention configured as described above operates as follows.

도 1과 도 2와 같이 힌지장치(100)의 하부캠(150)의 결합리브(152) 및 결합홈(153)을 도어(D)에 결합된 도어측면프레임(20)의 프레임결합가이드돌기(21)와 프레임결합홈(22) 및 프레임결합돌기(23)에 마추어 삽입한다. 그리고 도어고정구(130)를 상기 도어측면프레임(20)에 볼트결합하여 고정한다.The engaging rib 152 and the engaging groove 153 of the lower cam 150 of the hinge device 100 are engaged with the frame engaging guide protrusion (not shown) of the door side frame 20 coupled to the door D 21, the frame engaging groove 22 and the frame engaging projection 23, Then, the door fixing frame 130 is bolted to the door side frame 20 and fixed.

상기 힌지장치(100)의 문틀고정구(110)를 문틀상부프레임(10)에 삽입고정한다. The door frame fastener 110 of the hinge device 100 is inserted and fixed in the door frame upper frame 10.

도 11 내지 도 13과 같이 도어(D)를 밀거나 당겨서 열면 상부캠(140) 및 하부캠(150)에서 승하강가이드부(141,151)의 각 최고의 볼록한부분이 서로 만나게 되고, 탄성부(170)의 스프링(172)을 상기 하부캠(150)이 누르게되어서 최고로 압축되게 된다. 그래서 스프링(172)의 복원력에 의해서 상기 상부캠(140) 및 하부캠(150)의 승하강가이드부(141,151)가 서로 맞물리게 되고 다시 도어(D)의 관성력에 어긋나게 되면서 스프링(172)을 압축의 자동복원이 반복되게 된다. 즉, 반원호의 승하강가이드부(141,151)가 연속되어 동작이 부드러우면서, 어느 회전방향으로 회전하여도 캠에 부하를 줄여 내구성을 높이게 된다. 그리고 관성에 발생되는 도어(D)의 여닫힘의 반복을 줄여 도어(D)를 보호하는 효과가 있다. 또한 상부캠(140) 및 하부캠(150)이 직관적으로 이해하기 쉽고, 상기 하부캠(150)과 도어측면프레임(20)과의 결합이 쉬워 조립이 용이하다.When the door D is pushed or opened as shown in FIGS. 11 to 13, the uppermost cam 140 and the lower cam 150 are brought into contact with each other at their respective convex portions of the elevation guide portions 141 and 151, The spring 172 of the lower cam 150 is pressed by the lower cam 150 to be compressed to the maximum. The upward and downward guide portions 141 and 151 of the upper cam 140 and the lower cam 150 are engaged with each other due to the restoring force of the spring 172 and the inertia force of the door D is changed again, Automatic restoration is repeated. That is, the upward and downward guide portions 141 and 151 of the semicircular arc are continuous, so that the operation is smooth, and the durability is improved by reducing the load on the cam even if it rotates in any rotation direction. There is an effect of reducing the repetition of opening and closing of the door D generated in the inertia, thereby protecting the door D. Also, the upper cam 140 and the lower cam 150 are intuitively easy to understand, and the lower cam 150 and the door side frame 20 are easy to assemble to facilitate assembly.

D : 도어 10 : 문틀상부프레임
20 : 도어측면프레임 21 : 프레임결합가이드돌기
22 : 프레임결합홈 23 : 프레임결합돌기
100 : 힌지장치 110 : 문틀고정구
111 : 상부고정구 111a : 볼트
111b : 와셔 112 : 삽입홈
113 : 제1힌지핀고정구 130 : 도어고정구
131 : 돌출구 132 : 연결구
140 : 상부캠 141, 151 : 승하강가이드부
142 : 제2힌지핀고정구 150 : 하부캠
152 : 결합리브 153 : 결합홈
160 : 힌지핀부 161 : 고정머리구
162 : 스프링가이드구 163 : 스프링고정꼬리구
164 : 너트홈 170 : 탄성부
171 : 베어링 172 : 스프링
173 : 스프링고정구 174 : 와셔
175 : 너트D: door 10: frame upper frame
20: door side frame 21: frame engaging guide projection
22: frame engaging groove 23: frame engaging projection
100: hinge device 110: door frame fastener
111: upper fixture 111a: bolt
111b: Washer 112: Insert groove
113: first hinge pin fixing member 130: door fixing member
131: protrusion 132: connector
140: upper cam 141, 151: rising /
142: second hinge pin fixture 150: lower cam
152: engaging rib 153: engaging groove
160: hinge pin portion 161: fixed head portion
162: spring guide sphere 163: spring fixing tail sphere
164: nut groove 170: elastic part
171: Bearing 172: Spring
173: Spring clamp 174: Washer
175: Nuts

Claims (3)

문틀상부에 고정되는 문틀고정구(110)에 결속되고, 하부가 1/2 원호로 연속되는 상부캠(140)과, 도어측면에 결속되는 도어고정구(130)와 서로 회전되고, 상부가 1/2 원호로 연속되는 하부캠(150)과, 하부캠(150) 아래에서 탄성력으로 지지하는 탄성부(170)와, 상,하부캠(140)(150)과 탄성부(170)가 동일 축으로 연결하게 되는 힌지핀부(160)와, 상기 상, 하부캠(140)(150)과, 탄성부(170)가 삽입되는 도어측면프레임(20)으로 구성되고, 상기 상, 하부캠(140)(150)이 서로 맞물렸다가 하부캠(150)이 회전되어 어긋나면 서로 벌어져서 탄성부(170)에 의해 복원력을 갖는 하부캠(150)에 의해 회전이 자동 복귀되며, 하부캠(150)의 회전에 따라 서로 맞물리거나 어긋나 벌어지게 형성되는 승하강가이드부(141)(151)가 형성되는 접이식 도어힌지장치에 있어서,
상기 하부캠(150)의 외주면에 2개 한 쌍의 결합리브(152)에 의해 그 중앙에 결합홈(153)이 형성되게 하는 한편, 상기 도어측면프레임(20)의 내주면에 2개 한 쌍의 프레임결합홈(22)에 의해 그 중앙에 프레임결합돌기(23)가 형성되게 하여, 상기 프레임결합돌기(23)와 상기 결합홈(153)이 결합되게 하고, 상기 도어고정구(130)의 상부에 상기 힌지핀부(160)의 상부가 좌, 우로 움직이지 않게 고정되어 회전되게 하는 연결구(132)가 삽입되는 돌출구(131)가 형성되는 것을 특징으로 하는 접이식 도어 힌지장치.The upper cam 140 coupled to the door frame fastener 110 fixed to the upper portion of the door frame and the lower portion of which is continuous with the ½ circular arc and the door fastener 130 fastened to the door side are rotated with each other, The upper and lower cams 140 and 150 and the elastic part 170 are connected to each other by the same axis, The upper and lower cams 140 and 150 and the door side frame 20 into which the elastic part 170 is inserted and the upper and lower cams 140 and 150 When the lower cam 150 is rotated, the upper cam 150 is rotated to be automatically rotated by the lower cam 150 having the restoring force by the elastic portion 170. When the lower cam 150 rotates, Descending guide portions (141) (151) formed to be engaged with each other or widened outwardly are formed in the folding door hinge device,
A coupling groove 153 is formed in the center of the lower cam 150 by a pair of coupling ribs 152 on the outer circumferential surface of the lower cam 150 and two pairs of coupling grooves 153 are formed on the inner peripheral surface of the door side frame 20. [ The frame engaging protrusion 23 is formed at the center of the frame engaging groove 22 so that the frame engaging protrusion 23 and the engaging groove 153 are engaged with each other, Wherein a protrusion (131) for inserting a connection port (132) for fixing the upper portion of the hinge pin portion (160) to the left and right without being moved is formed in the hinge pin portion (160). 삭제delete 삭제delete
KR2020180004514U 2018-10-01 2018-10-01 Hinge apparatus for a folding door Active KR200488951Y1 (en)

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200319233Y1 (en) * 2003-04-24 2003-07-04 임병택 hinge assembly
KR200319122Y1 (en) * 2003-04-24 2003-07-04 임병택 door hinge with fixed cam
JP3683245B2 (en) * 2002-09-20 2005-08-17 勲 増田 Automatic return hinge and door system
KR20160140280A (en) * 2015-05-29 2016-12-07 정영호 Hinge Structure For A Folding Type Door

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3683245B2 (en) * 2002-09-20 2005-08-17 勲 増田 Automatic return hinge and door system
KR200319233Y1 (en) * 2003-04-24 2003-07-04 임병택 hinge assembly
KR200319122Y1 (en) * 2003-04-24 2003-07-04 임병택 door hinge with fixed cam
KR20160140280A (en) * 2015-05-29 2016-12-07 정영호 Hinge Structure For A Folding Type Door

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