EP2623699A1 - Ferme-porte automatique - Google Patents

Ferme-porte automatique Download PDF

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Publication number
EP2623699A1
EP2623699A1 EP20130166246 EP13166246A EP2623699A1 EP 2623699 A1 EP2623699 A1 EP 2623699A1 EP 20130166246 EP20130166246 EP 20130166246 EP 13166246 A EP13166246 A EP 13166246A EP 2623699 A1 EP2623699 A1 EP 2623699A1
Authority
EP
European Patent Office
Prior art keywords
disposed
oil
door closer
chamber
automatic door
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP20130166246
Other languages
German (de)
English (en)
Inventor
Rick Yu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Taiwan Fu Hsing Industrial Co Ltd
Original Assignee
Taiwan Fu Hsing Industrial Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Taiwan Fu Hsing Industrial Co Ltd filed Critical Taiwan Fu Hsing Industrial Co Ltd
Publication of EP2623699A1 publication Critical patent/EP2623699A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • E05F3/104—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 cam-and-slide transmission between driving shaft and piston within the closer housing
    • 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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/50—Power-operated mechanisms for wings using fluid-pressure actuators
    • E05F15/53—Power-operated mechanisms for wings using fluid-pressure actuators for swinging wings
    • 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
    • E05F3/06—Closers or openers with braking devices, e.g. checks; Construction of pneumatic or liquid braking devices with liquid piston brakes in which a torsion spring rotates a member around an axis perpendicular to the axis of the piston
    • 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
    • E05F3/12—Special devices controlling the circulation of the liquid, e.g. valve arrangement
    • 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
    • E05Y2800/20—Combinations of elements
    • E05Y2800/22—Combinations of elements of not identical elements of the same category, e.g. combinations of not identical springs
    • 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

Definitions

  • the present invention relates to a door closer, and more particularly to an automatic door closer comprising the features of the preamble portion of claim 1.
  • a door closer is typically used for providing a damping action against a door to generate a buffer effect when closing the door, and, a resilient member installed within the door closer can store energy during compression to automatically and slowly pull the door back and then restore a door-closing state when an exterior force is moved away from the door.
  • Taiwan Patent No. 428,658 discloses movement of a door closer which is performed by applying a wheel, a rack and a spring.
  • the above-described door closer has a backlash when the wheel engages with the rack, and that backlash becomes larger and larger through long term attrition to make engagement of the wheel and the rack cause intermittent contact, which results in unsmooth operation of the door closer.
  • An automatic door closer comprising the features of the preamble portion of claim 1 is known from US 5,901,412 A .
  • the object of the present invention is to provide an automatic door closer which overcomes the afore-described drawbacks inherent to the prior art.
  • Operating smooth of the automatic door closer can be improved via reciprocation of the slider and the tube shaped piston and action of the first oil passage according to the present invention.
  • an automatic door closer in accordance with a preferred embodiment of the present invention comprises a casting 10, a sliding assembly 20, a drive assembly 30, a piston assembly 40, an elastic assembly 50 and a pair of lid 60.
  • the casting 10 is defined as a long oriented axis 10a and a short oriented axis 10b, where there are a front chamber 111, a rear chamber 113 and a middle chamber 112 in communication with the front chamber 111 and the rear chamber 113, which are located along the long oriented axis 10a.
  • the casting 10 has a shaft hole 12 located along the short oriented axis 10b and penetrating the middle chamber 112.
  • the front chamber 111, the middle chamber 112 and the rear chamber 113 are filled with hydraulic oil.
  • the first oil passage 13 has an oil inlet 13a in communication with the front chamber 111 and an oil outlet 13b in communication with the rear chamber 113.
  • the first check valve 14 is disposed adjacent to the oil outlet 13b of the first oil passage 13.
  • the second oil passage 15 has an inlet 15a in communication with the rear chamber 113, a first outlet 15b and a second outlet 15c.
  • the second check valve 16 is disposed adjacent to the inlet 15a of the second oil passage 15.
  • the casting 10 further has a first speed control valve 17 disposed at the first outlet 15b of the second oil passage 15 and a second speed control valve 18 disposed at the second outlet 15c of the second oil passage 15 applied for adjusting oil output of the first outlet 15b and the second outlet 15c respectively.
  • the sliding assembly 20 is movably disposed within the middle chamber 112 of the casting 10 and comprises a slider 21, a first roller 22 and a second roller 23, wherein the slider 21 has an upper plate 211, a lower plate 212 opposite to the upper plate 211, a side plate 213 coupling to the upper plate 211 and the lower plate 212 and a space 214 formed between the upper plate 211 and the lower plate 212.
  • the side plate 213 has an oil drain hole 213a
  • the first roller 22 is movably disposed within the space 214, besides, the upper plate 211 and the lower plate 212 have an open hole 211a, 212a formed thereon respectively and which are corresponding to each other.
  • Each of the open holes 211a, 212a corresponds to the shaft hole 12 of the casting 10
  • the first roller 22 corresponds to each of the open holes 211a, 212a
  • the second roller 23 is fixed within the space 214 and adjacent to the side plate 213 of the slider 21.
  • the slider 21 further has a through hole 215 formed thereon and penetrating the upper plate 211 and the lower plate 212
  • the second roller 23 corresponds to the through hole 215.
  • the sliding assembly 20 further comprises a second fixing unit 25 and an E shaped ring 26, wherein the second fixing unit 25 is inserted into the through hole 215 of the slider 21 and penetrates the second roller 23 so as to fix the second roller 23 into the space 214 of the slider 21.
  • the E shaped ring 26 is fastened to one end of the second fixing unit 25 thereby preventing the second fixing unit 25 from slipping.
  • the drive assembly 30 comprises a shaft 31, an eccentric cam 32 coupled to the shaft 31 and a shaft cap 33.
  • the shaft 31 is pivotally disposed within the shaft hole 12 of the casting 10 and inserted into the open holes 211a, 212a of the upper plate 211 and the lower plate 212 respectively, and preferably the shaft 31 is integrally formed with the eccentric cam 32 for enhancing structural strength of the shaft 31.
  • the eccentric cam 32 is located within the space 214 of the slider 21 and contacts against the first roller 22 and the second roller 23 of the sliding assembly 20.
  • the shaft cap 33 is disposed on the shaft 31 and tightly covers the shaft hole 12 of the casting 10.
  • the shaft 31 is coupled to the shaft hole 12 of the casting 10 by means of the shaft cap 33 and one end of the shaft 31 protrudes from the shaft cap 33 so as to couple a linking rod unit not shown in the drawings which is fixed on a door or a door frame.
  • the linking rod unit drives the shaft 31 of the drive assembly 30 to rotate and the eccentric cam 32 rotates accompanying to the shaft 31, and then the rotating eccentric cam 32 pushes the first roller 22 and the second roller 23 which contact against the eccentric cam 32, when the eccentric cam 32 pushes the second roller 23, the slider 21 will be moved from the middle chamber 112 to the front chamber 111.
  • the second roller 23 is fixed to the slider 21 via the second fixing unit 25 so that the slider 21 can be moved with the second roller 23 while the eccentric cam 32 pushes the second roller 23.
  • the piston assembly 40 is disposed and movable within the rear chamber 113 of the casting 10 and comprises a tube shaped piston 41 and a relief valve assembly 42 disposed within the tube shaped piston 41.
  • the tube shaped piston 41 has an outside wall 41a, a first end portion 411 coupled to the first roller 22, a second end portion 412 opposite to the first end portion 411, an axial oil passage 413 in communication with the first end portion 411 and the second end portion 412 and a transverse oil passage 414 in communication with the outside wall 41a and the axial oil passage 413.
  • the first end portion 411 has an upper protruding plate 411a, a lower protruding plate 411b opposite to the upper protruding plate 411a and a connecting hole 411c penetrating the upper protruding plate 411a and the lower protruding plate 411b.
  • the first roller 22 is located between the upper protruding plate 411a and the lower protruding plate 411b and corresponds to the connecting hole 411c.
  • the upper protruding plate 411a and the lower protruding plate 411b are inserted into and axially movable within the open hole 211a of the upper plate 211 and the open hole 212a of the lower plate 212 respectively in this embodiment.
  • the sliding assembly 20 may further comprise a first fixing unit 24 for coupling the first end portion 411 of the tube shaped piston 41 to the first roller 22, wherein the first fixing unit 24 is inserted into the connecting hole 411c of the first end portion 411 and penetrates the first roller 22, so that the first end portion 411 can be coupled to the first roller 22 via the first fixing unit 24 and the tube shaped piston 41 will be moved within the rear chamber 113 while the eccentric cam 32 pushes the first roller 22.
  • the transverse oil passage 414 movably corresponds to the first outlet 15b or the second outlet 15c of the second oil passage 15.
  • the relief valve assembly 42 disposed within the axial oil passage 413 of the tube shaped piston 41 comprises a valve carrier 421, a valve holder 422 inserted into the valve carrier 421 and a relief valve 423 disposed within the valve holder 422.
  • the valve holder 422 has an oil drain passage 422a and the relief valve 423 disposed within the oil drain passage 422a will close the oil drain passage 422a0 under normal operation.
  • it further comprises a filter 43 disposed at one end of the valve carrier 421 in this embodiment applied for filtering impurity contained in the hydraulic oil and preventing impurity from entering the oil drain passage 422a to cause obstruction unable to function normally.
  • the elastic assembly 50 is disposed within the front chamber 111 of the casting 10 and contacts against the slider 21 of the sliding assembly 20.
  • the elastic assembly 50 is capable of adjusting opening/closing force with respect to the automatic door closer, which comprises a first resilient member 51 located at one side of the slider 21, an second resilient member 52 inserted into the first resilient member 51, an adjusting unit 53, an spring end cap 54 disposed at one end of the second resilient member 52, a rejecting unit 55 contacting against the side plate 213 of the slider 21, a third check valve 56 disposed within the rejecting unit 55, a stopper 57 able to limit the third check valve 56 and an oil ring 58 disposed around the rejecting unit 55.
  • the first resilient member 51 has a first end 51a and a second end 51b contacted against the rejecting unit 55.
  • the rejecting unit 55 is disposed and movable within the front chamber 111 of the casting 10 and has a surface 55a facing the first resilient member 51, a protruding pole 55b formed on the surface 55a, an outer wall 55c and an oil return passage 55d corresponding to the oil drain hole 213a.
  • the rejecting unit 55 is integrally formed with the side plate 213 of the slider 21 in another embodiment.
  • One end of the second resilient member 52 is disposed on the protruding pole 55b of the rejecting unit 55 and contacts against the surface 55a of the rejecting unit 55.
  • the adjusting unit 53 is disposed at one end of the front chamber 111 and coupled to the first end 51a of the first resilient member 51, and the spring end cap 54 is disposed between the adjusting unit 53 and the second resilient member 52.
  • the adjusting unit 53 comprises an adjusting screw 531 and an adjusting screw cap 532 coupled to the adjusting screw 531
  • the spring end cap 54 is disposed between the adjusting screw cap 532 of the adjusting unit 53 and the second resilient member 52
  • the adjusting screw cap 532 contacts against the spring end cap 54.
  • the first resilient member 51 and the second resilient member 52 are utilized for pressuring the rejecting unit 55, and the adjusting screw 531 may adjust compressing force of not only the adjusting screw cap 532 against the first resilient member 51 but also the spring end cap 54 against the second resilient member 52 by pushing the spring end cap 54, thereby further achieving the efficiency of adjusting opening/closing force of the automatic door closer.
  • the first resilient member 51 and the second resilient member 52 may also allow the slider 21 to restore by pushing the rejecting unit 55.
  • the third check valve 56 is disposed within the oil return passage 55d of the rejecting unit 55 and the stopper 57 penetrates the protruding pole 55b and the oil return passage 55d of the rejecting unit 55 to limit the third check valve 56 within the oil return passage 55d.
  • the oil ring 58 is disposed around the outer wall 55c of the rejecting unit 55 capable of preventing the hydraulic oil from flowing between the outer wall 55c of the rejecting unit 55 and a front chamber wall 111a of the front chamber 111.
  • the pair of lid 60 seal the two ends of the casting 10 respectively to prevent the hydraulic oil from leaking.
  • the operating method of the automatic door closer will be described as follows by referring to Fig.4A, Fig.4B , Fig.5 , Fig.6A and Fig.6B .
  • the eccentric cam 32 rotates to push the second roller 23 and drive the slider 21 moving toward the front chamber 111.
  • the slider 21 will push the rejecting unit 55 to compress the first resilient member 51 and the second resilient member 52.
  • the rejecting unit 55 makes a movement, the hydraulic oil inside the front chamber 111 flows into the oil inlet 13a of the first oil passage 13 to produce a hydraulic oil pressure inside the first oil passage 13 capable of making the first check valve 14 open.
  • the hydraulic oil will flow from the first outlet 15b and the second outlet 15c of the second oil passage 15 into the transverse oil passage 414 and the axial oil passage 413 of the tube shaped piston 41 and through the middle chamber 112, the oil drain hole 213a of the side plate 213 of the slider 21 and the oil return passage 55d of the rejecting unit 55 in order, and finally flow back to the front chamber 111 to close the door.
  • the hydraulic oil first flows from the first outlet 15b of the second oil passage 15 into the transverse oil passage 414 and the axial oil passage 413 of the tube shaped piston 41 and following the tube shaped piston 41 moves gradually toward the lid 60, which makes the first outlet 15b of the second oil passage 15 close.
  • the hydraulic oil changes to flow from the second outlet 15c of the second oil passage 15 into the transverse oil passage 414 and the axial oil passage 413 of the tube shaped piston 41. Furthermore, when the hydraulic oil flows into the oil return passage 55d of the rejecting unit 55, the third check valve 56 will open allowing the hydraulic oil to flow smoothly back to the front chamber 111.
  • the eccentric cam 32 has a rotation center O, a maximum radius R1 and a minimum radius R2, the maximum interval X must be greater than a difference Y of the maximum radius R1 and the minimum radius R2 X>Y so as to prevent the rejecting unit 55 from obstructing motion of oil passage when rejecting unit 55 moves in this embodiment.
  • the relief valve 423 of the relief valve assembly 42 applied in this embodiment will open quickly when the door is suddenly hit by an exterior force during door-closing process to make the hydraulic oil located at the rear chamber 113 flow directly into the oil drain passage 422a of the valve holder 422 and through the middle chamber 112, the oil drain hole 213a of the side plate 213 of the slider 21 and the oil return passage 55d of the rejecting unit 55 in order, and finally flow quickly back to the front chamber 111.
  • the hydraulic oil can flow quickly back as to prevent the door closer from damaging as well as operating smooth of automatic door closer can be improved via reciprocation of the slider 21 and the tube shaped piston 41 and action of the first oil passage 13 and the second oil passage 15 according to the present invention.

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
EP20130166246 2008-06-27 2009-06-26 Ferme-porte automatique Withdrawn EP2623699A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TW097124352A TWI345607B (en) 2008-06-27 2008-06-27 Automatic door closer
EP09163898.1A EP2138662B1 (fr) 2008-06-27 2009-06-26 Ferme-porte automatique

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP09163898.1 Division 2009-06-26

Publications (1)

Publication Number Publication Date
EP2623699A1 true EP2623699A1 (fr) 2013-08-07

Family

ID=41119742

Family Applications (2)

Application Number Title Priority Date Filing Date
EP09163898.1A Not-in-force EP2138662B1 (fr) 2008-06-27 2009-06-26 Ferme-porte automatique
EP20130166246 Withdrawn EP2623699A1 (fr) 2008-06-27 2009-06-26 Ferme-porte automatique

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP09163898.1A Not-in-force EP2138662B1 (fr) 2008-06-27 2009-06-26 Ferme-porte automatique

Country Status (3)

Country Link
EP (2) EP2138662B1 (fr)
ES (1) ES2429218T3 (fr)
TW (1) TWI345607B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746508B1 (fr) 2010-09-06 2018-09-12 In & Tec S.r.l. Charnière de fermeture de porte, en particulier pour portes en verre

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5332716A (en) * 1988-09-13 1994-07-26 Jeffrey Labovitz Pollen suppressant comprising a 5-oxy- or amino-substituted cinnoline
EP2360337A1 (fr) * 2010-02-12 2011-08-24 Taiwan Fu Hsing Industrial Co. Ltd. Structure de ferme-porte automatique
AU2012101498B4 (en) * 2010-09-06 2012-12-13 In & Tec S.R.L. Door closer, particularly for glass doors
CN202659012U (zh) * 2010-10-14 2013-01-09 邹忠 带有自动定心组件的铰链及门铰链转轴
USD664830S1 (en) 2011-08-25 2012-08-07 Taiwan Fu Hsing Industrial Co., Ltd. Piston for door closer
JP6006150B2 (ja) * 2013-03-28 2016-10-12 リョービ株式会社 ドアクローザ
EP3029252A1 (fr) * 2014-12-05 2016-06-08 DORMA Deutschland GmbH Ferme-porte monté dans le sol
ES2631687T3 (es) * 2014-12-17 2017-09-04 Dormakaba Deutschland Gmbh Accionamiento de puerta
CN105583620B (zh) * 2016-01-28 2018-03-13 冯幸泉 闭门器自动装配机
CN106978951B (zh) * 2016-09-19 2019-05-10 上海品贵国际贸易有限公司 具有减速或控速功能的机轴自动归位装置
EP3401485B1 (fr) * 2017-05-12 2020-07-01 dormakaba Deutschland GmbH Actionneur de porte
CN109930936B (zh) * 2019-03-22 2020-09-22 温州欧德门控科技发展有限公司 液压闭门器
KR102177949B1 (ko) * 2019-12-17 2020-11-12 이장우 구조가 개선된 도어 클로저 장치
KR102383839B1 (ko) * 2020-10-28 2022-04-08 이장우 도어용 플로어 힌지 장치

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146693A2 (fr) * 1983-12-13 1985-07-03 Dorma Baubeschlag GmbH. & Co. KG Ferme-porte
US5901412A (en) 1996-01-30 1999-05-11 Dorma Gmbh + Co. Kg Top-mounted door closer
DE20112896U1 (de) * 2001-08-03 2002-12-05 Società Italiana Progetti S.r.l., Magenta, Mailand/Milano Selbsttätiger Türschließer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0146693A2 (fr) * 1983-12-13 1985-07-03 Dorma Baubeschlag GmbH. & Co. KG Ferme-porte
US5901412A (en) 1996-01-30 1999-05-11 Dorma Gmbh + Co. Kg Top-mounted door closer
DE20112896U1 (de) * 2001-08-03 2002-12-05 Società Italiana Progetti S.r.l., Magenta, Mailand/Milano Selbsttätiger Türschließer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2746508B1 (fr) 2010-09-06 2018-09-12 In & Tec S.r.l. Charnière de fermeture de porte, en particulier pour portes en verre

Also Published As

Publication number Publication date
EP2138662A3 (fr) 2010-07-28
TWI345607B (en) 2011-07-21
EP2138662B1 (fr) 2013-06-26
ES2429218T3 (es) 2013-11-13
TW201000741A (en) 2010-01-01
EP2138662A2 (fr) 2009-12-30

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