EP2388483B1 - Dispositif de ventilateur doté de pales pliables simultanément - Google Patents

Dispositif de ventilateur doté de pales pliables simultanément Download PDF

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Publication number
EP2388483B1
EP2388483B1 EP10163025.9A EP10163025A EP2388483B1 EP 2388483 B1 EP2388483 B1 EP 2388483B1 EP 10163025 A EP10163025 A EP 10163025A EP 2388483 B1 EP2388483 B1 EP 2388483B1
Authority
EP
European Patent Office
Prior art keywords
shell
blades
shells
blade
coupling rod
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.)
Active
Application number
EP10163025.9A
Other languages
German (de)
English (en)
Other versions
EP2388483A1 (fr
Inventor
Ching-Wen Liu
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.)
Pan Air Electric Co Ltd
Original Assignee
Pan Air Electric 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 Pan Air Electric Co Ltd filed Critical Pan Air Electric Co Ltd
Priority to TR2018/08226T priority Critical patent/TR201808226T4/tr
Priority to EP10163025.9A priority patent/EP2388483B1/fr
Priority to ES10163025.9T priority patent/ES2672358T3/es
Priority to SG2010040426A priority patent/SG176348A1/en
Publication of EP2388483A1 publication Critical patent/EP2388483A1/fr
Application granted granted Critical
Publication of EP2388483B1 publication Critical patent/EP2388483B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/26—Rotors specially for elastic fluids
    • F04D29/32—Rotors specially for elastic fluids for axial flow pumps
    • F04D29/34—Blade mountings
    • F04D29/36—Blade mountings adjustable
    • F04D29/362—Blade mountings adjustable during rotation
    • F04D29/364—The blades having only a predetermined number of possible positions

Definitions

  • the present invention relates to fan device, and more particularly to a fan device which has simultaneously foldable blades.
  • Ceiling fans are widely used in many households today as ceiling fans are extremely useful and convenient to circulate air within a closed space.
  • a conventional ceiling fan includes a plurality of fan blades secured to a rotatably driven outer portion of the motor assembly.
  • the motor assembly is surrounded by a housing including top and bottom plates in a clamped engagement with an annular translucent panel, disposed peripherally between the plates, and including an annular fluorescent light bulb disposed within the housing in a surrounding relation to the motor assembly, including a support structure to hold the light bulb in a generally central position between the plates.
  • the conventional ceiling fan has some drawbacks: for instance, the fan blades are secured to the outer portion of the motor assembly for simultaneously rotating with the motor assembly to provide an air ventilating effect when in operation.
  • the fan blades When the ceiling fan is not in operation mode, the fan blades remained in a spread-opened state.
  • the ceiling fan may not be used all year round, when the ceiling fan is not used for a certain period of time, the spread-opened fan blades not only occupies a lot of space, but may also influences the aesthetical appearance.
  • the fan blades are easily worn when the fan blades are remained spread-opened but not used for a long period of time.
  • US 2008/226449 A1 patent application discloses a similar inventive concept.
  • the conventional ceiling fan of US 2008/226449 has folding fan blades and a blade support arranged to be rotated by an electric motor, with blades being secured to the blade support, a root end of each blade being pivotable between folded and operative positions about a blade pivot axis fixed in the blade support.
  • An improved mechanism is provided for synchronizing movement of the blades.
  • the conventional ceiling fan uses a sun gear mounted to the blade support and arranged to mesh with planet gears that rotate about the blade pivot axis.
  • the present invention has arisen to obviate/ mitigate the disadvantages of the conventional fan devices.
  • the present invention relates to a fan device having simultaneously foldable blades which comprises a rotatable driving unit, a plurality of supporting frames extend outwardly from the driving unit, a plurality of shells are respectively rotatably mounted on the supporting frames, a plurality of blades are respectively disposed on the shells, and a plurality of coupling rods are respectively positioned between every two adjacent shells.
  • Each supporting frame has a pivot mounted on one end thereof and extending upwardly therefrom.
  • Each shell has a center hole defined therein for receivably engaging with the pivot of the corresponding supporting frame.
  • a plurality of bores are annularly defined in the shell such that the center hole is encircled by the bores.
  • Each blade has an assembling portion disposed on one end thereof for assembling with a corresponding shell.
  • Each assembling portion has a through hole defined therein for receivably engaging with a corresponding pivot such that the blade is pivotally rotatable relative to the supporting frame.
  • a plurality of securing holes are annularly defined in the assembling portion, the securing holes of each blade are correspondingly and vertically aligned with the bores of the corresponding shell.
  • Each coupling rod includes an arcuate main section and two arcuate connecting sections which are integrally and respectively formed on two ends of the main section.
  • the main section of the coupling rod is oppositely arched relative to the two connecting sections of the coupling rod.
  • Each connecting section has an arcuate shape corresponding to a periphery of the shell for preventing the connecting section from colliding with the pivot of the supporting frame when operating.
  • Each connecting section has a penetrating hole defined therein and corresponding to any one of the bores of the shell.
  • the two connecting sections of each coupling rod are respectively pivotally connected to the two corresponding adjacent shells.
  • a securing bolt passes through the aligned penetrating hole, the securing hole and the bore for securely assembling the coupling rod, the shell, and the blade.
  • the supporting frames are synchronously rotated with the driving unit and driving the shells to simultaneously rotate, the shells rotatably driving the coupling rods to be pivotally moved relative to the supporting frames for simultaneously driving the blades to retractably fold/unfold.
  • a fan device having simultaneously foldable blades in accordance with the present invention comprises a rotatable driving unit 10 which has a generally rounded configuration.
  • Four supporting frames 11 extend radially and outwardly from the driving unit 10.
  • Each supporting frame 11 has a pivot 12 which is mounted on one end thereof and extending upwardly therefrom.
  • Four shells 20 are rotatably respectively mounted on the four supporting frames 11.
  • the shells 20 are disc-shaped.
  • Each shell 20 has a center hole 21 defined therein for receivably engaging with the pivot 12 of the corresponding supporting frame 11.
  • Three bores 22 are annularly defined in an inner periphery of the shell 20 such that the center hole 21 is encircled by the bores 22.
  • Each blade 40 has an assembling portion 41 which is disposed on one end thereof for assembling with the corresponding shell 20.
  • the assembling portion 41 protrudes from a bottom surface of the blade 40.
  • Each assembling portion 41 has a through hole 42 defined therein for receivably engaging with the pivot 12 of the corresponding supporting frame 11.
  • Three securing holes 43 are annularly defined in an inner periphery of the assembling portion 41 of the blade 40 such that the through hole 42 is encircled by the securing holes 43.
  • the three securing holes 43 are correspondingly vertically aligned with the three bores 22 of the shell 20.
  • Each coupling rod 30 is respectively positioned between every two adjacent shells 20. Two ends of each coupling rod 30 are respectively pivotally connected to the two adjacent shells 20.
  • Each coupling rod 30 has an arcuate main section 32 and two arcuate connecting sections 31 integrally and respectively formed on two ends of the main section 32.
  • the main section 32 of the coupling rod 30 is oppositely arched relative to the two connecting sections 31.
  • Each connecting section 31 has a penetrating hole 33 defined therein.
  • the penetrating hole 33 of the connecting section 31 corresponds to any one of the bores 22 of the shell 20 for the connecting section 31 to pivotally engage with the shell 20, such that a rotation of the shell 20 would drive the coupling rod 30 to slightly pivotally move relative to the supporting frame 11.
  • Each connecting section 31 has an arcuate shape which corresponds to a periphery of the shell 20, such that the connecting section 31 of the coupling rod 30 is prevented from colliding with the pivot 12 of the supporting frame when operating (as shown in Fig.3 and Fig.4 ).
  • a securing bolt 34 passes through the aligned penetrating hole 33, securing hole 43, and the bore 22, such that the coupling rod 30, the blade 40, and the shell 20 are securely assembled together by the securing bolt 34 for synchronous movement during operation.
  • the shells 20 and the blades 40 are rotatable relative to the supporting frames 11 of the driving unit 10 and the coupling rods 30 are driven to pivotally move relative to the shells 20 by rotations of the shells 20 (operation of the present invention will be further described in details hereinafter).
  • Fig.2 to Fig.5 operation of the fan device having simultaneously foldable blades in accordance with the present invention will be described in detailed below.
  • the blades 40 are inwardly retractably folded, the blades 40 are folded in such a way that each blade 40 overlaps one another and the folded blades 40 configure a generally circular shape such that the driving unit 10 is annularly enclosed by the blades 40, therefore when the blades 40 are folded, the fan device occupies very little space for easy storage and provides an aesthetical effect to an appearance of the fan device.
  • the driving unit 10 is actuated to rotate, the four supporting frames 11 synchronously rotate with the driving unit 10.
  • the driving unit 10 When the driving unit 10 is dis-actuated, a rotation speed of the driving unit 10 is gradually decreased; the shells 20 likewise rotate with the supporting frames 11 of the driving unit 10, the connecting sections 31 of the coupling rods 30 likewise are guided by the rotations of the shells 20 to move along the tip peripheries of the supporting frames 11 and drive the blades 40 to retractably fold inward, such that when the driving unit 10 is halted from rotation, the blades 40 are inwardly folded as in the initial non-operated state described above.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (4)

  1. - Dispositif de ventilateur ayant des pales pliables simultanément et une unité d'entraînement rotative, dans lequel :
    l'unité d'entraînement rotative (10) ayant une pluralité de cadres de support (11) s'étendant vers l'extérieur à partir de celle-ci, chaque cadre de support (11) ayant un pivot (12) monté sur une extrémité de celui-ci et s'étendant vers le haut à partir de celui-ci ;
    une pluralité de coques (20) respectivement montées de manière rotative sur le cadre de support (11), chaque coque (20) ayant un trou central (21) défini à l'intérieur de celle-ci pour engager, par réception, le pivot (12) du cadre de support correspondant (11) ;
    une pluralité de pales (40) respectivement disposées sur les coques (40), chaque pale (40) ayant une partie d'assemblage (41) disposée sur une extrémité de celle-ci pour s'assembler à une coque correspondante (20), chaque partie d'assemblage (41) ayant un trou traversant (42) défini à l'intérieur de celle-ci pour engager, par réception, un pivot correspondant (12) de telle sorte que la pale (40) est apte à tourner de manière pivotante par rapport au cadre de support (11) ; caractérisé par
    une pluralité de tiges de couplage (30) respectivement positionnées entre chaque paire de coques adjacentes (20), chaque tige de couplage (30) ayant deux extrémités respectivement reliées de manière pivotante aux deux coques adjacentes correspondantes (20) ;
    lorsque l'unité d'entraînement (10) tourne, les cadres de support (11) sont amenées à tourner de manière synchrone avec l'unité d'entraînement (10) et entraînent les coques (20) en rotation simultanée, et les coques (20) entraînent en rotation les tiges de couplage (30) pour qu'elles soient déplacées de manière pivotante par rapport aux cadres de support (11) pour amener simultanément les pales (40) à se plier/déplier de manière rétractable.
  2. - Dispositif de ventilateur ayant des pales pliables simultanément selon la revendication 1, caractérisé par le fait que chaque tige de couplage (30) comprend une section principale arquée (32) et deux sections de liaison arquées (31) formées d'un seul tenant et respectivement sur deux extrémités de la section principale (32) ; chaque section de liaison (31) ayant une forme arquée correspondant à une périphérie de la coque (20) pour empêcher la section de liaison (31) d'entrer en collision avec le pivot (12) du cadre de support (11) en fonctionnement.
  3. - Dispositif de ventilateur ayant des pales pliables simultanément selon la revendication 1, caractérisé par le fait que chaque coque (20) a une pluralité d'alésages (22) définis de manière annulaire à l'intérieur de celle-ci de telle sorte que le trou central (21) est encerclé par les alésages (22) ; chaque pale (40) ayant une pluralité de trous de fixation (43) définis de manière annulaire dans la partie d'assemblage (41) de celle-ci, les trous de fixation (43) de chaque pale (40) étant alignés verticalement et de manière correspondante avec les alésages (22) de la coque correspondante (20) ; chaque extrémité de la tige de couplage (30) ayant un trou de pénétration (33) défini à l'intérieur de celle-ci et correspondant à l'un quelconque des alésages (22) de la coque (20) ; le trou de pénétration (33), le trou de fixation (43) et l'alésage (22) alignés ayant un boulon de fixation (34) passant à travers ceux-ci pour assembler de manière sûre la tige de couplage (30), la coque (20) et la pale (40).
  4. - Dispositif de ventilateur ayant des pales pliables simultanément selon la revendication 2, caractérisé par le fait que la section principale (32) de la tige de couplage (30) est arquée de manière opposée par rapport aux deux sections de liaison (31) de la tige de couplage (30).
EP10163025.9A 2010-05-17 2010-05-17 Dispositif de ventilateur doté de pales pliables simultanément Active EP2388483B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
TR2018/08226T TR201808226T4 (tr) 2010-05-17 2010-05-17 Aynı anda katlanabilen bıçaklara sahip fan cihazı.
EP10163025.9A EP2388483B1 (fr) 2010-05-17 2010-05-17 Dispositif de ventilateur doté de pales pliables simultanément
ES10163025.9T ES2672358T3 (es) 2010-05-17 2010-05-17 Dispositivo de ventilador que presenta aspas que pueden plegarse simultáneamente
SG2010040426A SG176348A1 (en) 2010-05-17 2010-06-09 Fan device having simultaneously foldableblades

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP10163025.9A EP2388483B1 (fr) 2010-05-17 2010-05-17 Dispositif de ventilateur doté de pales pliables simultanément

Publications (2)

Publication Number Publication Date
EP2388483A1 EP2388483A1 (fr) 2011-11-23
EP2388483B1 true EP2388483B1 (fr) 2018-04-18

Family

ID=42938368

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10163025.9A Active EP2388483B1 (fr) 2010-05-17 2010-05-17 Dispositif de ventilateur doté de pales pliables simultanément

Country Status (4)

Country Link
EP (1) EP2388483B1 (fr)
ES (1) ES2672358T3 (fr)
SG (1) SG176348A1 (fr)
TR (1) TR201808226T4 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108302054A (zh) * 2018-01-22 2018-07-20 袁海龙 一种收纳式吊扇
CN109026777B (zh) * 2018-08-11 2024-01-16 中山宝扇电器有限公司 吊扇灯

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1445402A (en) * 1922-03-06 1923-02-13 Velle Clarence W Le Disappearing electric fan
US2079942A (en) * 1935-05-13 1937-05-11 Velle Clarence W Le Folding electric fan
US7153100B2 (en) * 2004-12-23 2006-12-26 Fanimation, Inc. Ceiling fan with retractable fan blades
CN102174937A (zh) * 2005-07-13 2011-09-07 法纳威科技(香港)有限公司 组合的灯具和天花板风扇

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
ES2672358T3 (es) 2018-06-14
SG176348A1 (en) 2011-12-29
EP2388483A1 (fr) 2011-11-23
TR201808226T4 (tr) 2018-07-23

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