WO2014088280A1 - 도어 클로저 - Google Patents
도어 클로저 Download PDFInfo
- Publication number
- WO2014088280A1 WO2014088280A1 PCT/KR2013/011083 KR2013011083W WO2014088280A1 WO 2014088280 A1 WO2014088280 A1 WO 2014088280A1 KR 2013011083 W KR2013011083 W KR 2013011083W WO 2014088280 A1 WO2014088280 A1 WO 2014088280A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- housing
- hole
- coil spring
- link shaft
- rack gear
- Prior art date
Links
- 238000007789 sealing Methods 0.000 claims description 26
- 238000013016 damping Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Images
Classifications
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- 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
-
- 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
- E05F3/04—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes
- E05F3/10—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction
- E05F3/102—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes with a spring, other than a torsion spring, and a piston, the axes of which are the same or lie in the same direction with rack-and-pinion transmission between driving shaft and piston within the closer housing
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- 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
- E05F1/1008—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 with a coil spring parallel with the pivot axis
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- 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
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/26—Form or shape
- E05Y2800/264—Form or shape compact
-
- 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
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/73—Multiple functions
Definitions
- the present invention relates to a door closer that automatically closes the door by an elastic force when the door is opened.
- FIG. 1 is a cross-sectional view showing an example of a conventional door closer.
- the conventional door closer includes a housing 2 and a link shaft (gear) passing through the center of the housing 2.
- Pinion gear 4 fixed to the shaft and coaxially rotated, a coil spring 9 arranged on one side of the housing 2, and pinion gear 4
- a spring pusher having a rack gear portion 7 engaged with the spring to pressurize the coil spring 9 to accumulate elastic energy for closing the door when the door (not shown) is opened.
- the housing 2 is attached to a door, one end of a link (also called a connecting rod) is fastened to a link shaft (not shown), and the other end of the link is connected to a door frame. Is fastened.
- the housing 2 has an arrangement space of the pinion gear 4 at about the center, an arrangement space of the coil spring 9 on one side, and a spring pusher 6 Arrangement space is provided on the other side. Therefore, it is difficult to compactly configure the housing 2 and it is difficult to miniaturize.
- a coil spring 9 having a large elastic force and a long elastic force is required.
- One side of the housing 2 has a rotational axis (not shown) of the door than the other side of the housing 2. It is difficult to secure an accommodating space of the large coil spring 9 by extending one side of the housing 2 in the direction of the positive X axis (+).
- the pinion gear 4, i.e., the position of the link shaft (not shown) is related to the length of the link and is restricted in moving in the negative direction of the X axis. It is also difficult to secure the accommodating space of the large coil spring 9 by extending the side in the negative X-axis direction.
- the present invention provides a door closer that can be compactly constructed by compactly configuring the inside of the housing.
- the present invention provides a door closer that can be easily extended so that the large spring can be placed inside the housing, and can be installed in the door without occurrence of an operation error such as a poor opening degree of the door.
- the housing is fixed to the door (door), one end of the link (link) connected to the frame (frame) of the door, rotatably fitted to the housing and its upper end protruding out of the housing is A link shaft connected to the other end of the link, a pinion gear coaxially rotating with the link shaft, and inserted into the housing reciprocally in the longitudinal direction of the housing, and on one side A piston having a rack gear portion engaged with the pinion gear at its end, a piston base portion at the other end, and a piston body connecting the rack gear portion with the piston base, and the piston body And a coil spring that is compressed to accumulate elastic energy when the link shaft rotates in a direction in which the door is opened, and is mounted on the link shaft.
- One end of the coil spring which is relatively close, is restricted in movement toward the link shaft within the housing, and the other end of the coil spring relatively far from the link shaft is pushed by the piston base part so that the link shaft is closed. Moving toward to provide a door closer configured to compress the coil spring.
- the link shaft and the pinion gear may be located at one side in the longitudinal direction of the housing, and the coil spring and the piston base part may be located at the other side in the longitudinal direction of the housing.
- a spring through hole into which the coil spring is inserted and a rack gear through hole having an inner diameter smaller than the spring through hole as a passage through which the rack spring is reciprocated are formed in a line with each other, and the door closer of the present invention includes the spring A damping oil filled in the through hole and a sealing unit may be further provided to prevent the damping oil from leaking into the rack gear through hole.
- a seating groove smaller than an inner diameter of the spring through hole and larger than an inner diameter of the rack gear through hole is formed at a portion where the spring through hole and the rack gear through hole are connected, and the sealing unit is formed on an outer circumferential surface of the piston body part.
- a sealing member in a ring shape that fits tightly, and an outer diameter larger than an inner diameter of the rack gear through hole, and fitted to the piston body so as to be positioned between the sealing member and the coil spring, and by the coil spring A washer is pressed against the rack gear through side, and the sealing member may be configured to be pressed into the rack gear through side by the washer and inserted into the seating groove.
- the link shaft is deflected on one side inside the housing, the coil spring providing the elastic force for closing the door, and the piston for compressing the coil spring is located together on the other side inside the housing. . Therefore, it is easy to downsize the door closer housing.
- the other side of the housing can be extended in the longitudinal direction, so that the expanded housing can be installed in the door without changing the position of the link shaft with respect to the door. Therefore, operation errors such as poor opening degree of the door and the like are reduced.
- the door closer may be attached to the door so that the position of the link shaft is kept within a certain distance from the rotation axis of the door.
- 180 ° opening of the door is possible without extending the length of the link.
- the link shaft which is biased on one side of the housing may be located close to the rotation axis of the door, thereby improving the efficiency of the door closer.
- FIG. 1 is a cross-sectional view showing an example of a conventional door closer.
- FIG. 2 is a perspective view illustrating a door equipped with a door closer according to an exemplary embodiment of the present invention.
- FIG. 3 and 4 are cross-sectional views of the interior of the door closer housing of FIG. 2, FIG. 3 shows when the door is closed, and FIG. 4 shows when the door is opened.
- FIG. 5 is a cross-sectional view taken along line V-V of FIG. 3.
- Terminology used herein is a term used to properly express a preferred embodiment of the present invention, which may vary depending on the intention of a user or an operator or customs in the field to which the present invention belongs. Therefore, the definitions of the terms should be made based on the contents throughout the specification.
- FIG. 2 is a perspective view showing a door equipped with a door closer according to an embodiment of the present invention, referring to this, the door closer 20 according to an embodiment of the present invention is rotated about the vertical axis of rotation (17) It is attached to the upper side of the sliding door 14 to be opened and closed. Specifically, a pair of flanges 22 of the housing 21 of the door closer 20 are fixedly attached by screws, and one of the links 25 to which the pair of sticks are connected. The end is connected to the upper side of the door frame 2, the other end of the link 25 is connected to the upper end of the link shaft 30 through the housing 21.
- FIG. 3 and 4 are cross-sectional views of the interior of the door closer housing of FIG. 2, FIG. 3 is a view when the door is closed, FIG. 4 is a view when the door is opened, and FIG. 5 is a cross-sectional view taken along V-V of FIG. 3. 3 to 5,
- the door closer 20 according to the embodiment of the present invention includes a pinion gear 32, a piston 35, and a coil spring 43 in the housing 21. ).
- the pinion gear 32 is formed on the outer circumferential surface of the link shaft 30 and rotates coaxially with the link shaft 30 about the rotation axis of the link shaft 30 parallel to the Z axis.
- the link shaft 30 is inserted into the link shaft through hole 26 formed in the direction parallel to the Z axis in the housing 21.
- the piston 35 extends in the longitudinal direction of the housing 21, that is, in a direction parallel to the X axis, is inserted into the housing 21 and reciprocated in the longitudinal direction of the housing 21.
- the piston 35 has a rack gear portion 40 engaged with the pinion gear 32 at one end, a piston base 36 at the other end, and a piston base 36 and the rack gear. And a piston body portion 38 which connects the portions 40.
- the coil spring 43 is a compression spring in which elastic energy is accumulated when compressed, and is fitted to the piston 35, specifically, the piston body 38.
- the coil spring 43 has an X axis positive (+) when the piston base portion 36 moves toward the link shaft 30, that is, the piston 35 in which the rack gear portion 40 engages the pinion gear 32.
- the coil spring 43 elastically pressurizes the piston 35 so that the link shaft 30 rotates in the direction of closing the door 14 (see FIG. 2).
- the link shaft 30 and the pinion gear 32 are located on one side (right side with respect to the center of the housing 21 with reference to FIG. 3) in the longitudinal direction of the housing 21, and the coil spring 43 and the piston base portion ( 36 is located at the other side in the longitudinal direction of the housing 21 (refer to FIG. 3 to the left with respect to the center of the housing 21).
- the coil spring 32 and the piston 35 can be arranged so as to overlap in the housing 21, so that the inside of the housing 21 can be compactly constructed and can be miniaturized.
- a spring through hole 23 into which the coil spring 43 is inserted and a rack gear through hole 24 having an inner diameter smaller than that of the spring through hole 23 are aligned in the housing 21 as a passage for the rack gear part 40 to reciprocate. It is formed to be connected to.
- the piston 35 is inserted into the housing 21 through the spring through holes 23.
- the rack gear portion 40 enters the rack gear through hole 24 through the spring through hole 23.
- One end of the coil spring 43 is limited in movement in the positive X-axis direction due to the inner diameter narrowing at the boundary between the spring through hole 23 and the rack gear through hole 24.
- the other end of the coil spring 43 moves in the same direction when the piston base portion 36 moves in the positive X-axis direction. Therefore, when the piston 35 moves in the positive X-axis direction, the coil spring 43 is compressed. When the piston 35 moves in the negative X-axis direction, the coil spring 43 expands. Is restored.
- the conventional door closer 1 Comparing the conventional door closer 1 shown in FIG. 1 with the door closer 20 of the present invention in FIGS. 3 and 4, the conventional door closer 1 has a length of the coil spring 9 in order to increase the elastic force.
- the link 25 (see Fig. 2) should be longer as the link shaft is moved away from the rotation axis 17 (see Fig. 2) of the door.
- the door 14 (see FIG. 2) may not open wide enough to 180 °.
- the efficiency of the door closer 1 is lowered.
- the position of the link shaft 30 even when the large spring 35 is mounted inside the housing 21 to increase the door closing force, the position of the link shaft 30 (see FIG.
- the door closer 20 can be attached to the door 14 to keep it within a certain distance from 17.
- the door 14 (see FIG. 2) can be opened to 180 ° without widening the length of the link 25.
- the link shaft 30, which is biased on one side of the housing 21 may be located close to the rotation axis 17 of the door, thereby improving the efficiency of the door closer 20. Can improve.
- the door closer (20) is filled is provided with a damping five days (damping oil) and a sealing unit (sealing unit) so as to prevent the damping five days not leak to the rack gear through hole 24, a spring aperture (23).
- the sealing unit has a sealing member 63 and a washer 60.
- Sealing member 63 is typically made of a rubber material, is a ring-shaped member that is fitted in close contact with the outer peripheral surface of the piston body (38). U-packing (U-packing) having a cross-section of the letter U-shape may be applied to the sealing member (63).
- the washer 60 is made of a metal material and has an outer diameter larger than the inner diameter of the rack gear through-hole 24 and is fitted to the piston body 38 to be positioned between the sealing member 63 and the coil spring 43.
- the washer 60 is located in the spring through hole 23 and is pressed toward the rack gear through hole 24 by the coil spring 43.
- a seating groove 18 smaller than the inner diameter of the spring through hole 23 and larger than the inner diameter of the rack gear through hole 24 is formed at a portion where the spring through hole 23 and the rack gear through hole 24 are connected.
- the sealing member 63 is pressed by the washer 60 toward the rack gear through-hole 24 to be inserted into the seating groove 18.
- the washer 60 has a protrusion 61 protruding from the inner circumference so as to push the sealing member 63 into the mounting groove 18. Not only when the piston 35 moves in the positive X-axis direction, but also when the piston 35 moves in the negative X-axis direction, the washer 60 pressurized by the coil spring 43 is sealed. The 63 is pressed toward the rack gear through-hole 24, and the sealing member 63 is not detached from the mounting groove 18 to block leakage of the damping oil.
- the inlet of the spring through hole 23 formed on the other side of the housing 21 is sealed and closed by a cap 46, the boundary between the rack gear through hole 24 and the spring through hole 23 is made of rubber Only the piston body 38 is movable by the ring-shaped sealing member 48.
- the piston base portion 36 is provided with an oil movement hole 37.
- the piston 35 moves in the positive direction of the X axis, that is, when the door 14 (see Fig. 2) is opened, the damping oil that was on the coil spring 43 side inside the spring through hole 23 It moves to the cap 46 side through the oil movement through hole 37 and retards the movement speed of the piston 35 to mitigate the impact due to the sudden opening of the door 14.
- FIGS. 3 and 4 a door opening and closing operation by the door closer 20 will be described with reference to FIGS. 3 and 4.
- the door 14 (see FIG. 2) is closed when in the state of FIG. 3, and the pinion gear 32 formed on the link shaft 30 (see FIG. 5) is held in half when the door 14 starts to open.
- the piston 35 is maximally moved in the X-axis positive direction as shown in FIG. 4, and the coil spring 43 is compressed to the maximum.
- the present invention can be applied to a sliding door such as a front door of a house, an apartment, an officetel, or a fire door.
Landscapes
- Closing And Opening Devices For Wings, And Checks For Wings (AREA)
- Lock And Its Accessories (AREA)
Abstract
Description
Claims (9)
- 도어(door)에 고정되는 하우징;일 단이 도어의 프레임(frame)에 연결되는 링크(link);상기 하우징에 회전 가능하게 끼워지고 상기 하우징의 외부로 돌출된 자신의 상단부가 상기 링크의 타 단에 연결되는 링크 샤프트(link shaft);상기 링크 샤프트와 동축(同軸) 회전하는 피니언 기어(pinion gear);상기 하우징의 길이 방향으로 왕복 가능하게 상기 하우징의 내부에 삽입되며, 일 측 단부에 상기 피니언 기어에 치합되는 랙 기어부(rack gear portion), 타 측 단부에 피스톤 베이스부, 및 상기 랙 기어부와 상기 피스톤 베이스를 이어주는 피스톤 몸통부를 구비한 피스톤(piston); 및,상기 피스톤 몸통부에 끼워지며, 상기 도어가 개방되는 방향으로 상기 링크 샤프트가 회전하면 압축되어 탄성 에너지를 축적하는 코일 스프링;을 구비하고,상기 링크 샤프트에 상대적으로 가까운 상기 코일 스프링의 일 측 단부는 상기 하우징의 내부에서 상기 링크 샤프트를 향한 이동이 제한되고, 상기 링크 샤프트로부터 상대적으로 먼 상기 코일 스프링의 타측 단부가 상기 피스톤 베이스부에 의해 밀려 상기 링크 샤프트를 향해 이동됨으로써 상기 코일 스프링이 압축되도록 구성된 것을 특징으로 하는 도어 클로저.
- 제1 항에 있어서,상기 링크 샤프트와 상기 피니언 기어는 상기 하우징의 길이 방향으로 일 측에 위치하고,상기 코일 스프링과 상기 피스톤 베이스부는 상기 하우징의 길이 방향으로 타 측에 위치하는 것을 특징으로 하는 도어 클로저.
- 제1 항에 있어서,상기 하우징 내부에는 상기 코일 스프링이 삽입되는 스프링 통공과, 상기 랙 기어부가 왕복하는 통로로서 상기 스프링 통공보다 내경이 작은 랙 기어 통공이 서로 일렬로 연결되게 형성되며,상기 스프링 통공에 채워지는 댐핑 오일(damping oil)과, 상기 댐핑 오일이 상기 랙 기어 통공으로 누출되지 않도록 막는 실링 유닛(sealing unit)을 더 구비하는 것을 특징으로 하는 도어 클로저.
- 제3 항에 있어서,상기 하우징 내부에는, 상기 스프링 통공과 상기 랙 기어 통공이 연결되는 부분에 상기 스프링 통공의 내경보다 작고 상기 랙 기어 통공의 내경보다 큰 안착 홈이 형성되고,상기 실링 유닛은, 상기 피스톤 몸통부의 외주면에 밀착되게 끼워지는 링(ring) 형태의 실링 부재; 및, 상기 랙 기어 통공의 내경보다 큰 외경을 가지며 상기 실링 부재와 상기 코일 스프링 사이에 위치하도록 상기 피스톤 몸통부에 끼워지고, 상기 코일 스프링에 의해 상기 랙 기어 통공 측으로 가압되는 와셔(washer);를 구비하고,상기 실링 부재는 상기 와셔에 의해 상기 랙 기어 통공 측으로 가압되어 상기 안착 홈에 삽입 안착되도록 구성된 것을 특징으로 하는 도어 클로저.
- 도어(door)에 고정되는 하우징;일 단이 도어의 프레임(frame)에 연결되는 링크(link);상기 하우징에 회전 가능하게 끼워지고 상기 링크에 연결되는 링크 샤프트(link shaft);상기 링크 샤프트와 계합하여 상기 링크 샤프트를 회전시키도록 왕복운동하는 피스톤(piston); 및,상기 피스톤을 탄성바이어스 시키는 것으로, 상기 도어가 개방되는 방향으로 상기 링크 샤프트가 회전하면 압축되어 탄성 에너지를 축적하는 코일 스프링;을 구비하고,상기 링크 샤프트에 상대적으로 가까운 상기 코일 스프링의 일 측 단부는 상기 하우징의 내부에서 상기 링크 샤프트를 향한 이동이 제한되고, 상기 링크 샤프트로부터 상대적으로 먼 상기 코일 스프링의 타측 단부가 상기 링크 샤프트를 향해 이동됨으로써 상기 코일 스프링이 압축되도록 구성된 것을 특징으로 하는 도어 클로저.
- 제5항에 있어서,상기 피스톤은 상기 하우징의 길이 방향으로 왕복 가능하게 상기 하우징의 내부에 삽입되며, 일 측 단부에 랙 기어부(rack gear portion), 타 측 단부에 피스톤 베이스부, 및 상기 랙 기어부와 상기 피스톤 베이스를 이어주는 피스톤 몸통부를 구비하고,상기 링크 샤프트에는, 상기 링크 샤프트와 동축(同軸) 회전하며 상기 랙 기어부에 치합되는 피니언 기어(pinion gear)가 결합되어서,상기 랙 기어부가 전방 또는 후방으로 이동함에 따라서 상기 피니언 기어가 회전함으로써, 상기 링크 샤프트가 회전되는 것을 특징으로 하는 도어 클로저.
- 제6 항에 있어서,상기 링크 샤프트와 상기 피니언 기어는 상기 하우징의 길이 방향으로 일 측에 위치하고,상기 코일 스프링과 상기 피스톤 베이스부는 상기 하우징의 길이 방향으로 타 측에 위치하는 것을 특징으로 하는 도어 클로저.
- 제6 항에 있어서,상기 하우징 내부에는 상기 코일 스프링이 삽입되는 스프링 통공과, 상기 랙 기어부가 왕복하는 통로로서 상기 스프링 통공보다 내경이 작은 랙 기어 통공이 서로 일렬로 연결되게 형성되며,상기 스프링 통공에 채워지는 댐핑 오일(damping oil)과, 상기 댐핑 오일이 상기 랙 기어 통공으로 누출되지 않도록 막는 실링 유닛(sealing unit)을 더 구비하는 것을 특징으로 하는 도어 클로저.
- 제8 항에 있어서,상기 하우징 내부에는, 상기 스프링 통공과 상기 랙 기어 통공이 연결되는 부분에 상기 스프링 통공의 내경보다 작고 상기 랙 기어 통공의 내경보다 큰 안착 홈이 형성되고,상기 실링 유닛은, 상기 피스톤 몸통부의 외주면에 밀착되게 끼워지는 링(ring) 형태의 실링 부재; 및, 상기 랙 기어 통공의 내경보다 큰 외경을 가지며 상기 실링 부재와 상기 코일 스프링 사이에 위치하도록 상기 피스톤 몸통부에 끼워지고, 상기 코일 스프링에 의해 상기 랙 기어 통공 측으로 가압되는 와셔(washer);를 구비하고,상기 실링 부재는 상기 와셔에 의해 상기 랙 기어 통공 측으로 가압되어 상기 안착 홈에 삽입 안착되도록 구성된 것을 특징으로 하는 도어 클로저.
Priority Applications (2)
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US14/649,043 US9410353B2 (en) | 2012-12-03 | 2013-12-03 | Door closer |
CN201380063266.4A CN104838078B (zh) | 2012-12-03 | 2013-12-03 | 闭门器 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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KR1020120139177A KR101418582B1 (ko) | 2012-12-03 | 2012-12-03 | 도어 클로저 |
KR10-2012-0139177 | 2012-12-03 |
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WO2014088280A1 true WO2014088280A1 (ko) | 2014-06-12 |
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PCT/KR2013/011083 WO2014088280A1 (ko) | 2012-12-03 | 2013-12-03 | 도어 클로저 |
Country Status (4)
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US (1) | US9410353B2 (ko) |
KR (1) | KR101418582B1 (ko) |
CN (1) | CN104838078B (ko) |
WO (1) | WO2014088280A1 (ko) |
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CN104989209B (zh) * | 2014-12-01 | 2016-07-13 | 上海品贵国际贸易有限公司 | 具速度调整功能的机轴自动归位装置 |
EP3109389B1 (en) * | 2015-06-26 | 2017-10-18 | Locinox | Device for closing a hinged member |
WO2017061846A1 (es) * | 2015-10-06 | 2017-04-13 | Rodriguez Rodriguez Oscar | Sistema cierrapuertas oculto |
JP6278946B2 (ja) * | 2015-11-25 | 2018-02-14 | リョービ株式会社 | ドアクローザ |
JP6982298B2 (ja) * | 2017-10-02 | 2021-12-17 | 日本ドアーチエック製造株式会社 | ドアクローザ |
US10697220B2 (en) * | 2018-10-29 | 2020-06-30 | Toshiba Tec Kabushiki Kaisha | Counterbalance door dampener system and method for automatic duplexing units |
CN109914960A (zh) * | 2019-04-12 | 2019-06-21 | 苏州市富尔达科技股份有限公司 | 一种液压缓冲窗扇关闭器 |
CN110670985A (zh) * | 2019-09-25 | 2020-01-10 | 梁泉贤 | 一种用于消防门的闭门器 |
CN115354934A (zh) * | 2022-09-22 | 2022-11-18 | 厦门市美头山五金制造有限公司 | 一种自动闭门装置 |
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- 2013-12-03 WO PCT/KR2013/011083 patent/WO2014088280A1/ko active Application Filing
- 2013-12-03 CN CN201380063266.4A patent/CN104838078B/zh not_active Expired - Fee Related
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Also Published As
Publication number | Publication date |
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KR101418582B1 (ko) | 2014-07-10 |
KR20140071156A (ko) | 2014-06-11 |
US9410353B2 (en) | 2016-08-09 |
CN104838078B (zh) | 2016-12-21 |
CN104838078A (zh) | 2015-08-12 |
US20150315833A1 (en) | 2015-11-05 |
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