KR100910826B1 - Over turn protective apparatus of blind - Google Patents

Over turn protective apparatus of blind Download PDF

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Publication number
KR100910826B1
KR100910826B1 KR1020080104171A KR20080104171A KR100910826B1 KR 100910826 B1 KR100910826 B1 KR 100910826B1 KR 1020080104171 A KR1020080104171 A KR 1020080104171A KR 20080104171 A KR20080104171 A KR 20080104171A KR 100910826 B1 KR100910826 B1 KR 100910826B1
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KR
South Korea
Prior art keywords
unit
drum
bracket
cover unit
shaft
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KR1020080104171A
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Korean (ko)
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이창길
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이창길
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Priority to KR1020080104171A priority Critical patent/KR100910826B1/en
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    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/40—Roller blinds
    • E06B9/42—Parts or details of roller blinds, e.g. suspension devices, blind boxes
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/24—Screens or other constructions affording protection against light, especially against sunshine; Similar screens for privacy or appearance; Slat blinds
    • E06B9/26—Lamellar or like blinds, e.g. venetian blinds
    • E06B9/28—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable
    • E06B9/30—Lamellar or like blinds, e.g. venetian blinds with horizontal lamellae, e.g. non-liftable liftable
    • E06B9/32—Operating, guiding, or securing devices therefor
    • E06B9/322—Details of operating devices, e.g. pulleys, brakes, spring drums, drives
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
    • E06B9/00—Screening or protective devices for wall or similar openings, with or without operating or securing mechanisms; Closures of similar construction
    • E06B9/56—Operating, guiding or securing devices or arrangements for roll-type closures; Spring drums; Tape drums; Counterweighting arrangements therefor
    • E06B9/80—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling
    • E06B9/82—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic
    • E06B9/88—Safety measures against dropping or unauthorised opening; Braking or immobilising devices; Devices for limiting unrolling automatic for limiting unrolling

Abstract

An over turn protective apparatus of a blind is provided to prevent cloth from being tangled by preventing over turn and idle rotation and to set the ascent and descent range of the blind. An over turn protective apparatus of a blind comprises a shaft(41), a cover unit(43), a drive unit(42), and an anti-reverse rotation unit(44). On the inner circumference of a drive unit, a screw thread corresponding to the screw thread of the shaft is formed. On the outer circumference of the drive unit, a joint combined with a drum is formed. At one end of the drive unit, a first stopper(42a) corresponding to the protrusion(41a) of the cover unit' is formed. The drive unit operates when the drum(10) is rotated. The protrusion of the cover unit regulates the drive unit in the forward rotation of the drive unit. The protrusion of the anti-reverse rotation regulates the drive unit in the reverse rotation of the drive unit. The anti-reverse rotation unit is connected to the shaft.

Description

블라인드의 과회전 방지장치{OVER TURN PROTECTIVE APPARATUS OF BLIND}OVER TURN PROTECTIVE APPARATUS OF BLIND}

본 발명은 블라인드의 과회전방지장치에 관한 것으로, 더욱 상세하게는 블라인드의 과회전 방지 및 파손을 방지할 뿐만 아니라 승·하강 범위를 임의로 설정할 수 있으며, 단순한 조립공정에 의해 그 생산성이 향상될 수 있도록 하는 블라인드의 과회전방지장치에 관한 것이다.The present invention relates to an over-rotating device for blinds, and more particularly, to prevent over-rotation and damage of the blinds, as well as to arbitrarily set a range of lifting and lowering, and to increase productivity by a simple assembly process. It relates to a blind over-rotation device for ensuring.

일반적으로, 블라인드는 각종 건축물의 외벽이나 내벽에 구비되는 창문에 설치되어 차광이나 실내의 조명조절 및 실내의 사생활 침해를 방지하기 위한 수단으로 사용되고, 이외에도 이러한 실용성 및 벽이나 유리의 딱딱함을 부드럽게 하고 색채의 배합에 따라 실내 미관을 향상시키는 실내장식의 중요한 요소로 대두되고 있다. In general, the blinds are installed on the windows provided on the outer or inner walls of various buildings to be used as a means for preventing shading or lighting in the room and invading the privacy of the room. According to the combination of the has been emerging as an important element of the interior decoration to improve the interior aesthetics.

이러한 블라인드는 수평 방향으로 하나 또는 복수개의 차양 즉, 블라인드를 펼치거나 말아 올리는 형태의 롤블라인드 또는 라인블라인드와, 수직 방향을 따라 복수 개로 배열된 각각의 블라인드를 로프로서 연결한 버티컬블라인드 등이 알려져 있다.Such blinds are known as roll blinds or line blinds in the form of one or a plurality of shades in the horizontal direction, that is, the blinds are spread or rolled up, and vertical blinds in which a plurality of the blinds are arranged as ropes in the vertical direction. .

일반적인 롤블라인드는 도 1에 도시된 바와 같이, 블라인드(B)가 파이프 형태의 드럼(10)을 따라 감겨지고, 상기 드럼(10)이 별도의 구동장치(미도시)에 의해 회전하며 상기 블라인드를 감거나 전개하게 된다.Typical roll blinds, as shown in Figure 1, the blind (B) is wound along a pipe-shaped drum 10, the drum 10 is rotated by a separate drive (not shown) and the blind It will be wound or unfolded.

아울러, 상기 드럼(10) 내에는 드럼(10)의 과도한 회전을 억제하는 과회전방지장치(20)가 삽입되고, 드럼(10)의 외측으로 브라켓(30)이 결합된다.In addition, an overrotation preventing device 20 is inserted into the drum 10 to prevent excessive rotation of the drum 10, and the bracket 30 is coupled to the outside of the drum 10.

상기 과회전방지장치(20)는 외주면에 나사산이 형성된 축(21), 일면에 걸림턱(22a)이 형성된 구동유닛(22) 및 커버유닛(23)을 포함하여 구성된다. The over-rotation preventing device 20 includes a shaft 21 having a screw thread formed on an outer circumferential surface thereof, a driving unit 22 having a locking jaw 22 a formed on one surface thereof, and a cover unit 23.

상기 축(21)에는 상기 드럼(10)과 결합되어 상기 드럼(10)과 같이 회전하는 구동유닛(22) 및 커버유닛(23)이 체결되어 있으며, 이 중 상기 구동유닛(22)은 축(21)의 나사산이 형성된 부분에 체결되고, 커버유닛(23)은 나사산이 없는 부분에 체결된다.The drive unit 22 and the cover unit 23 which are coupled to the drum 10 and rotate together with the drum 10 are fastened to the shaft 21, among which the drive unit 22 has a shaft ( 21 is fastened to a threaded portion, and the cover unit 23 is fastened to a threadless portion.

즉, 상기 구동유닛(22)은 상기 드럼(10)의 회전에 대응하여 회전하면서 상기 축(21) 상에서 좌·우 이동하게 되며, 상기 커버유닛(23)은 상기 드럼(10)의 회전에 대응하여 제자리에서 회전하게 된다.That is, the driving unit 22 moves left and right on the shaft 21 while rotating in response to the rotation of the drum 10, and the cover unit 23 corresponds to the rotation of the drum 10. Rotate in place.

따라서, 드럼(10)의 회전에 의해 상기 구동유닛(22)이 축(21) 상에서 이동하는 도중 드럼(10)의 회전이 과도할 경우, 구동유닛(22)의 걸림턱(22a)이 상기 축(21)의 돌출부(21a)에 걸려, 그 회전이 억제된다.Therefore, if the rotation of the drum 10 is excessive while the driving unit 22 is moving on the shaft 21 by the rotation of the drum 10, the locking step 22a of the driving unit 22 may cause the shaft. It catches on the protrusion part 21a of 21, and the rotation is suppressed.

하지만, 상기와 같은 종래의 회전방지장치(20)는 회전방지를 위한 커버유닛(21)의 돌출부(21a)가 일방향에만 형성되어, 반대회전, 즉, 상기 구동유닛(22)이 상기 돌출부(21a)가 없는 방향으로 회전할 경우, 그 회전을 억제할 수단이 없으며, 이로 인해, 상기 구동유닛(22)이 축(21)으로부터 탈락하거나 구동장치 자체가 파손될 뿐만 아니라 블라인드(B)의 승·하강 범위를 설정하지 못하는 등의 문제점이 있었다.However, the conventional anti-rotation device 20 is a protrusion 21a of the cover unit 21 for preventing rotation is formed only in one direction, the opposite rotation, that is, the drive unit 22 is the protrusion 21a If there is no means for suppressing the rotation, the drive unit 22 is dropped from the shaft 21 or the drive device itself is broken, and the blind B is raised or lowered. There was a problem such as not setting the range.

한편, 종래 상기 드럼(10)의 외측에 브라켓(30)이 결합되는 구조는 브라켓(30)에 결합돌출부(30a)가 구비되고, 상기 드럼(10) 내에 삽입되는 과회전방지장치(10)의 축(21) 일면에 상기 결합돌출부(30a)가 삽입될 수 있는 홈(21b)이 형성되어, 상기 브라켓(30)의 결합돌출부(30a)가 축(21)의 홈(21b)에 삽입되어 결합되게 된다.On the other hand, the conventional structure of the bracket 30 is coupled to the outside of the drum 10 is provided with a coupling protrusion (30a) on the bracket 30, of the over-rotation preventing device 10 is inserted into the drum (10) A groove 21b into which the coupling protrusion 30a can be inserted is formed on one surface of the shaft 21, and the coupling protrusion 30a of the bracket 30 is inserted into the groove 21b of the shaft 21 to be coupled thereto. Will be.

하지만, 상기와 같은 결합구조는 블라인드를 조립하는 작업자가 상기 브라켓(30)의 결합돌출부(30a)를 축(21)의 홈(21b)에 삽입함에 있어, 상기 홈(21b)과 결합돌출부(30a)를 맞추기 위해 많은 시간이 소모되고 이로 인해 그 생산성이 현저히 감소하게 되는 문제점 등이 있었다.However, in the coupling structure as described above, when the worker assembling the blind inserts the coupling protrusion 30a of the bracket 30 into the groove 21b of the shaft 21, the groove 21b and the coupling protrusion 30a. There is a problem that a lot of time is spent to match the () and thereby the productivity is significantly reduced.

본 발명은 상술한 문제점을 해결하기 위한 것으로, 블라인드의 과회전방지장치에 역회전방지유닛을 체결하여 블라인드의 과회전 방지 및 파손을 방지할 뿐만 아니라 승·하강 범위를 임의로 설정할 수 있으며, 단순한 조립공정에 의해 그 생산성이 향상될 수 있도록 하는데 그 목적이 있다.The present invention is to solve the above-mentioned problems, by fastening the reverse rotation prevention unit to the anti-rotation device of the blind to prevent the over-rotation and damage of the blind, as well as to set the lifting and lowering range arbitrarily, simple assembly The purpose is to enable the productivity to be improved by the process.

본 발명은 상기 목적을 달성하기 위한 수단으로, 브라인드가 감겨지고, 브라켓에 의해 마감되는 드럼의 내부에 삽입되어, 드럼의 과도한 회전을 방지하는 과회전방지장치에 있어서, 상기 드럼에 삽입되고, 외주면에 나사산이 형성된 축; 상기 축에 일단부가 결합되고, 상기 브라켓에 타단부가 결합되고, 상기 연결부에는 돌출부가 형성된 커버유닛; 내주면에는 상기 축의 나사산에 대응되는 나사산이 형성되고, 외주면에는 상기 드럼과 결합되는 결합부가 형성되고, 일단부에는 상기 커버유닛의 돌출부에 대응되는 제1걸림턱이 형성되고, 타단부에는 제 2걸림턱이 형성되고, 상기 드럼의 회전에 연동되는 구동유닛; 및 상기 축에 체결되되 축방향에 대하여 상기 커버유닛의 결합위치 반대방향에 결합되고, 일단부에는 상기 구동유닛의 제2걸림턱에 대응되는 돌출부가 형성된 역회전방지유닛을 포함하고, 상기 구동유닛은 드럼의 회전이동에 연동되고, 일방향 회전이동은 상기 커버유닛의 돌출부에 단속되고, 타방향 회전이동은 상기 역회전 방지유닛의 돌출부에 의해 단속되는 블라인드의 과회전방지장치를 제공한다.The present invention is a means for achieving the above object, the blind is wound, inserted into the interior of the drum is finished by the bracket, in the over-rotation preventing device for preventing excessive rotation of the drum, inserted into the drum, the outer peripheral surface A screw thread formed in the shaft; A cover unit having one end coupled to the shaft, the other end coupled to the bracket, and the connection portion having a protruding portion; Threads corresponding to the threads of the shaft are formed on the inner circumferential surface, a coupling part coupled to the drum is formed on the outer circumferential surface, a first catching jaw corresponding to the protrusion of the cover unit is formed on one end, and a second catch on the other end. A jaw is formed, the drive unit is linked to the rotation of the drum; And a reverse rotation prevention unit fastened to the shaft and coupled to an opposite direction of the coupling position of the cover unit with respect to the axial direction, and having a protrusion formed at one end thereof corresponding to the second locking jaw of the drive unit. Silver is linked to the rotational movement of the drum, the one-way rotational movement is intermittent to the projection of the cover unit, the other direction of rotational movement is provided with a blind over-rotation prevention device is interrupted by the projection of the reverse rotation prevention unit.

또한, 상기 본 발명에 따른 과회전방지장치의 상기 커버유닛은 탄성체에 지지되고 커버유닛의 외부로 돌출되는 브라켓 결합돌기를 구비하고, 상기 브라켓에는 상기 브라켓 결합돌기에 대응되는 결합홈이 형성되고, 상기 커버유닛의 브라켓 결합돌기가 브라켓의 결함홈에 삽입되어 상기 커버유닛은 브라켓에 고정된다.In addition, the cover unit of the over-rotation preventing device according to the present invention is provided with a bracket engaging projection that is supported on the elastic body and protrudes out of the cover unit, the bracket is formed with a coupling groove corresponding to the bracket engaging projection, The bracket engaging protrusion of the cover unit is inserted into the defect groove of the bracket so that the cover unit is fixed to the bracket.

본 발명에 의하면 블라인드의 공회전, 원단엉킴 등을 유발시키는 과회전 방지 및 파손을 방지할 뿐만 아니라 승·하강 범위를 임의로 설정할 수 있으며, 단순한 조립공정에 의해 그 생산성이 향상될 수 있게 되는 등의 이점이 있다.Advantageous Effects of the Invention According to the present invention, not only the prevention of over-rotation and breakage that causes idle blinding and fabric entanglement can be prevented, but also the arbitrarily set up / down range, and the productivity can be improved by a simple assembly process. There is this.

상기 본 발명의 목적과 특징 및 장점은 첨부도면 및 다음의 상세한 설명을 참조함으로서 더욱 쉽게 이해될 수 있을 것이다.The objects, features and advantages of the present invention will be more readily understood by reference to the accompanying drawings and the following detailed description.

이하, 첨부된 도면을 참조하여 본 발명의 바람직한 실시예의 구성 및 그 작용 효과에 대해 상세히 설명하면 다음과 같다.Hereinafter, with reference to the accompanying drawings will be described in detail the configuration and effect of the preferred embodiment of the present invention.

도 2는 본 발명에 따른 과회전방지장치의 분해사시도로써, 본 발명은 축(41), 커버유닛(43), 구동유닛(42) 및 역회전방지유닛(44)을 포함하여 구성된다.2 is an exploded perspective view of the over-rotation preventing device according to the present invention, the present invention comprises a shaft 41, a cover unit 43, a drive unit 42 and a reverse rotation prevention unit 44.

상기 축(41)의 외주면에는 나사산이 형성된다.A thread is formed on the outer circumferential surface of the shaft 41.

한편, 상기 커버유닛(43)은, 도 3에 도시된 바와 같이, 그 끝단, 즉, 브라켓(50)이 결합되는 방향에 스프링 등의 탄성체에 의해 탄성을 가지는 브라켓 결합돌기(41b)가 형성되며, 상기 브라켓(50)에는 상기 결합돌기(41b)와 대응되는 형태의 결합홈(50a)이 형성되어 상기 축(41)이 상기 브라켓(50)에 용이하게 결합되고, 이로 인해, 생산성이 향상되게 된다.On the other hand, the cover unit 43, as shown in Figure 3, the end, that is, the bracket engaging projection 41b having elasticity by an elastic body such as a spring is formed in the direction that the bracket 50 is coupled to In the bracket 50, a coupling groove 50a having a shape corresponding to the coupling protrusion 41b is formed so that the shaft 41 is easily coupled to the bracket 50, thereby improving productivity. do.

아울러, 상기 탄성을 가지는 브라켓 결합돌기(41b)에 의한 브라켓(50)과의 결합방식에 의해, 브라인드의 조립시, 작업자의 감는 힘, 즉, 드럼(10)에 블라인드(B)를 감는 힘에 따라, 그 개방 범위가 제품에 따라 상이하게 되는 현상을 방지할 뿐만 아니라, 상기 브라켓(50)과 브라켓 결합돌기(41b)의 탈착 용이성에 의해, 상기 브라켓(50)과 브라켓 결합돌기(41b)를 분리한 후, 축(41) 자체를 회전시킬 수 있게 됨으로써, 블라인드(B)의 승·하강 범위를 임의로 설정하여 조립 또는 조절할 수 있게 된다.In addition, by the coupling method with the bracket 50 by the bracket coupling protrusion 41b having the elasticity, when assembling the blind, the winding force of the operator, that is, the force to wind the blind (B) on the drum 10 Therefore, not only does the opening range differ from product to product, but also the bracket 50 and the bracket engaging protrusion 41b are easily removed by the bracket 50 and the bracket engaging projection 41b. After the separation, the shaft 41 itself can be rotated, so that the raising and lowering range of the blind B can be arbitrarily set and assembled or adjusted.

한편, 상기 브라켓(50)과 브라켓 결합돌기(41b)의 탈착 용이성을 증가시키기 위하여, 브라켓 결합돌기(41b)의 외면에 드라이버와 대응되는 형상의 홈을 형성할 수 있다.Meanwhile, in order to increase the detachability of the bracket 50 and the bracket coupling protrusion 41b, a groove having a shape corresponding to the driver may be formed on the outer surface of the bracket coupling protrusion 41b.

또한, 상기 결합홈(50a)은 육각형태로 형성될 수 있다.In addition, the coupling groove 50a may be formed in a hexagonal shape.

상기 커버유닛(43)은 상기 축(41)에서 나사산이 형성되지 않은 부분에 체결된 상태로 드럼(10)과 결합되는 유닛으로써, 드럼(10)의 회전에 대응하여 제자리에서 회전한다.The cover unit 43 is a unit that is coupled to the drum 10 in a state in which the screw 41 is not formed in the shaft 41, and rotates in place corresponding to the rotation of the drum 10.

상기 구동유닛(42)은 상기 축(41)의 나사산 형성부분에 체결된 상태로 상기 드럼(10)과 결합되는 유닛으로써, 드럼(10)의 회전에 연동 회전하며, 좌측 또는 우측으로 이동한다.The driving unit 42 is a unit coupled to the drum 10 in a state of being fastened to the thread forming portion of the shaft 41, and rotates in coordination with the rotation of the drum 10 and moves to the left or the right.

아울러, 상기 구동유닛(42)의 일면에는 제 1걸림턱(42a) 및 제 2걸림턱(42b)이 대칭되어 형성되며, 상기 제 1걸림턱(42a)은, 블라인드의 과회전에 따라 구동유닛(42)이 커버유닛(43)방향으로 이동 시, 상기 커버유닛(43)의 돌출부(41a)에 걸려 그 과회전을 방지하게 되며, 상기 제 2걸림턱(42b)은 블라인드의 과회전에 따라 구동유닛(42)이 상기 커버유닛(43)의 반대방향으로 이동 시, 후술되어질 역회전방지 유닛(44)의 돌출부(44a)에 걸려 그 과회전을 방지하게 된다. In addition, a first catching jaw 42a and a second catching jaw 42b are symmetrically formed on one surface of the driving unit 42, and the first catching jaw 42a is driven by an over-rotation of the blind. When the 42 moves in the direction of the cover unit 43, it is caught by the projection 41a of the cover unit 43 to prevent the over-rotation, the second locking jaw (42b) in accordance with the over-rotation of the blind When the driving unit 42 moves in the opposite direction of the cover unit 43, the driving unit 42 is caught by the protrusion 44a of the reverse rotation prevention unit 44, which will be described later, to prevent the over-rotation thereof.

상기 역회전방지유닛(44)은 축에 체결되되 축방향에 대하여 상기 커버유닛의 결합위치 반대방향에 결합되고, 일단부에는 상기 구동유닛의 제2걸림턱(42b)에 대응되는 돌출부(44a)가 형성된다.The reverse rotation prevention unit 44 is fastened to the shaft, but coupled to the opposite direction of the coupling position of the cover unit with respect to the axial direction, one end of the projection 44a corresponding to the second locking jaw 42b of the drive unit Is formed.

상기 역회전방지유닛(44)은 축(41) 상에 천공한 후, 바형태의 부재를 삽입시켜 구현할 수 있으며, 두개의 너트형상의 부재가 맞물려 구현할 수도 있다.The reverse rotation prevention unit 44 may be embodied by inserting a bar-shaped member after drilling on the shaft 41, and may be implemented by engaging two nut-shaped members.

따라서, 상술한 바와 같이, 블라인드의 과회전에 따라 구동유닛(42)이 상기 커버유닛(43)의 반대방향, 즉, 역회전방지유닛(44)이 체결된 방향으로 이동 시, 상기 구동유닛의 제 2걸림턱(42b)이 상기 돌출부(44a)에 걸려 그 과회전을 방지하게 된다. Therefore, as described above, when the drive unit 42 moves in the opposite direction of the cover unit 43, that is, the direction in which the reverse rotation prevention unit 44 is engaged, according to the over-rotation of the blind, The second catching jaw 42b is caught by the protrusion 44a to prevent over-rotation thereof.

상기와 같이 구성된 본 발명의 블라인드의 과회전방지장치의 작동과정을 살펴보면 다음과 같다.Looking at the operation process of the over-rotating device of the blind of the present invention configured as described above are as follows.

사용자가 블라인드(B)를 하강시키기 위해 구동줄(미도시)을 당겨 드럼(10)을 회전시킴에 있어, 과회전이 될 경우, 상기 구동유닛(42)이 상기 커버유닛(43)측으로 이동하고, 이에 따라 상기 구동유닛(42)의 제 1걸림턱(42a)이 상기 커버유닛(43)에 형성된 돌출부(41a)에 걸려 과회전이 방지된다.When the user pulls a drive line (not shown) to rotate the drum 10 to lower the blind B, when the over rotation occurs, the drive unit 42 moves toward the cover unit 43. Accordingly, the first locking jaw 42a of the driving unit 42 is caught by the protrusion 41a formed on the cover unit 43 to prevent over-rotation.

한편, 사용자가 블라인드(B)를 상승시키기 위해 구동줄(미도시)을 당겨 드럼(10)을 회전시킴에 있어, 과회전이 될 경우, 상기 구동유닛(42)이 상기 역회전방지유닛(44) 측으로 이동하고, 이에 따라 상기 구동유닛(42)의 제 2걸림턱(42b)이 상기 역회전방지유닛(44)의 돌출부(44a)에 걸려 과회전이 방지된다.On the other hand, when the user pulls the drive line (not shown) to rotate the drum 10 to raise the blind (B), when the over-rotation, the drive unit 42 is the reverse rotation prevention unit 44 ), So that the second catching jaw 42b of the driving unit 42 is caught by the protrusion 44a of the reverse rotation preventing unit 44 to prevent over-rotation.

즉, 생산자는 상기 역회전방지유닛(44)과 커버유닛(43)의 돌출부(41a)사이의 간격을 임의로 조절하여 생산함으로써, 블라인드(B)의 승·하강 범위를 임의로 설정할 수 있으며, 블라인드의 역회전 방지 및 파손을 방지할 수 있게 된다..That is, the producer can arbitrarily set the raising and lowering range of the blind (B) by arbitrarily adjusting the gap between the reverse rotation prevention unit 44 and the protrusion 41a of the cover unit 43 to produce, Reverse rotation prevention and damage can be prevented.

또한, 이상에서 설명한 본 발명은 전술한 실시예 및 첨부된 도면에 의해 한정되는 것은 아니고, 본 발명의 기술적 사상을 벗어나지 않는 범위내에서 여러가지 치환, 변형 및 변경이 가능함은 본 발명이 속하는 기술분야에서의 통상의 지식을 가진 자에게 있어 명백할 것이다.In addition, the present invention described above is not limited to the above-described embodiments and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope of the technical idea of the present invention. It will be apparent to those of ordinary skill in the art.

도 1은 일반적인 과회전방지장치의 분해사시도1 is an exploded perspective view of a general over-rotation preventing device

도 2는 본 발명에 따른 과회전방지장치의 분해사시도Figure 2 is an exploded perspective view of the over-rotation prevention device according to the invention

도 3은 도 2의 과회전방지장치와 브라켓의 결합구조를 도시한 사시도Figure 3 is a perspective view showing a coupling structure of the over-rotating device and the bracket of Figure 2

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

B : 블라인드 10 : 드럼 41 : 축B: blind 10: drum 41: shaft

41a : 돌출부 42 : 구동유닛 42a : 제1걸림턱41a: protrusion 42: drive unit 42a: first locking jaw

42b : 제2걸림턱 43 : 커버유닛 44 : 역회전방지유닛42b: second locking jaw 43: cover unit 44: reverse rotation prevention unit

44a : 돌출부 50 : 브라켓 50a : 결합홈44a: protrusion 50: bracket 50a: coupling groove

Claims (3)

브라인드가 감겨지고, 브라켓에 의해 마감되는 드럼의 내부에 삽입되어, 드럼의 과도한 회전을 방지하는 과회전방지장치에 있어서,In the over-rotation preventing device which is inserted in the inside of the drum is wound and closed by the bracket, to prevent excessive rotation of the drum, 상기 드럼에 삽입되고, 외주면에 나사산이 형성된 축;A shaft inserted into the drum and having a thread formed on an outer circumferential surface thereof; 상기 축에 일단부가 결합되고, 상기 브라켓에 타단부가 결합되고, 상기 일단부에는 돌출부가 형성된 커버유닛;A cover unit having one end coupled to the shaft, the other end coupled to the bracket, and one end formed with a protrusion; 내주면에는 상기 축의 나사산에 대응되는 나사산이 형성되고, 외주면에는 상기 드럼과 결합되는 결합부가 형성되고, 일단부에는 상기 커버유닛의 돌출부에 대응되는 제1걸림턱이 형성되고, 타단부에는 제 2걸림턱이 형성되고, 상기 드럼의 회전에 연동되는 구동유닛; 및Threads corresponding to the threads of the shaft are formed on the inner circumferential surface, a coupling part coupled to the drum is formed on the outer circumferential surface, a first catching jaw corresponding to the protrusion of the cover unit is formed on one end, and a second catch on the other end. A jaw is formed, the drive unit is linked to the rotation of the drum; And 상기 축에 체결되되 축방향에 대하여 상기 커버유닛의 결합위치 반대방향측에 결합되고, 일단부에는 상기 구동유닛의 제2걸림턱에 대응되는 돌출부가 형성된 역회전방지유닛을 포함하고,It is fastened to the shaft and coupled to the opposite side of the engagement position of the cover unit with respect to the axial direction, one end includes a reverse rotation prevention unit formed with a projection corresponding to the second locking jaw of the drive unit, 상기 구동유닛은 드럼의 회전이동에 연동되고, 일방향 회전이동은 상기 커버유닛의 돌출부에 의해 단속되고, 타방향 회전이동은 상기 역회전 방지유닛의 돌출부에 의해 단속되는The drive unit is linked to the rotational movement of the drum, the one-way rotational movement is interrupted by the projection of the cover unit, the other direction of rotational movement is interrupted by the projection of the reverse rotation prevention unit 블라인드의 과회전방지장치.Blind overturning device. 제1항에 있어서,The method of claim 1, 상기 커버유닛은 탄성체에 지지되고 커버유닛의 외부로 돌출되는 브라켓 결합돌기를 구비하고, 상기 브라켓에는 상기 브라켓 결합돌기에 대응되는 결합홈이 형성되고, 상기 커버유닛의 브라켓 결합돌기가 브라켓의 결함홈에 삽입되어 상기 커버유닛은 브라켓에 고정되는The cover unit is provided with a bracket engaging projection which is supported by the elastic body and protrudes out of the cover unit, the bracket is formed with a coupling groove corresponding to the bracket engaging projection, the bracket engaging projection of the cover unit is a defect groove of the bracket Inserted into the cover unit is fixed to the bracket 블라인드의 과회전방지장치.Blind overturning device. 제2항에 있어서,The method of claim 2, 상기 결합홈은 육각형태인The coupling groove is a hexagonal shape 블라인드의 과회전방지장치.Blind overturning device.
KR1020080104171A 2008-10-23 2008-10-23 Over turn protective apparatus of blind KR100910826B1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101448564B1 (en) 2013-06-17 2014-10-13 (주)한국윈텍 Device for limiting rotation of roll blind and roll blind having the same

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200385977Y1 (en) 2005-03-02 2005-06-07 유준혁 A winding apparatus for roll blind
KR20050081334A (en) * 2004-02-13 2005-08-19 김학순 Device of a blind and device of rotation thereof
KR200403141Y1 (en) 2005-09-05 2005-12-08 곽재석 Role screen body of revolution connection struction

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20050081334A (en) * 2004-02-13 2005-08-19 김학순 Device of a blind and device of rotation thereof
KR200385977Y1 (en) 2005-03-02 2005-06-07 유준혁 A winding apparatus for roll blind
KR200403141Y1 (en) 2005-09-05 2005-12-08 곽재석 Role screen body of revolution connection struction

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101448564B1 (en) 2013-06-17 2014-10-13 (주)한국윈텍 Device for limiting rotation of roll blind and roll blind having the same

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