EP4209653B1 - Tige de support électrique - Google Patents

Tige de support électrique Download PDF

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Publication number
EP4209653B1
EP4209653B1 EP22177165.2A EP22177165A EP4209653B1 EP 4209653 B1 EP4209653 B1 EP 4209653B1 EP 22177165 A EP22177165 A EP 22177165A EP 4209653 B1 EP4209653 B1 EP 4209653B1
Authority
EP
European Patent Office
Prior art keywords
outer tube
thread
screw rod
transmission screw
electric support
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
EP22177165.2A
Other languages
German (de)
English (en)
Other versions
EP4209653C0 (fr
EP4209653A1 (fr
Inventor
Chi-Wang Wu
Feng-lin YANG
Jeffrey Chung-Chiang Hsi
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.)
Fuzhou Mingfang Automobile Parts Industry Co Ltd
Hsin Chong Machinery Works Co Ltd
Original Assignee
Fuzhou Mingfang Automobile Parts Industry Co Ltd
Hsin Chong Machinery Works 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 Fuzhou Mingfang Automobile Parts Industry Co Ltd, Hsin Chong Machinery Works Co Ltd filed Critical Fuzhou Mingfang Automobile Parts Industry Co Ltd
Publication of EP4209653A1 publication Critical patent/EP4209653A1/fr
Application granted granted Critical
Publication of EP4209653B1 publication Critical patent/EP4209653B1/fr
Publication of EP4209653C0 publication Critical patent/EP4209653C0/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E05F15/00—Power-operated mechanisms for wings
    • E05F15/60—Power-operated mechanisms for wings using electrical actuators
    • E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
    • E05F15/611—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings
    • E05F15/616—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms
    • E05F15/622—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for swinging wings operated by push-pull mechanisms using screw-and-nut mechanisms
    • 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
    • E05Y2201/00—Constructional elements; Accessories therefor
    • E05Y2201/10—Covers; Housings
    • 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
    • E05Y2600/00—Mounting or coupling arrangements for elements provided for in this subclass
    • E05Y2600/50—Mounting methods; Positioning
    • E05Y2600/51—Screwing or bolting
    • 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
    • E05Y2800/23—Combinations of elements of elements of different categories
    • E05Y2800/232—Combinations of elements of elements of different categories of motors and transmissions
    • 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
    • E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
    • E05Y2900/53—Type of wing
    • E05Y2900/546—Tailboards, tailgates or sideboards opening upwards

Definitions

  • This disclosure is directed to an electric support rod of a tailgate of a car and in particular to a two-segment electric support rod which is easy to be assembled.
  • a related-art electric tailgate of a car is supported and driven by electric support rods arranged at two sides of a door frame.
  • the electric support rod has an electric motor and a telescopic pole linked with the electric motor, the telescopic pole can be driven to telescope by controlling the electric motor to rotate so as to open or close the tailgate.
  • the electric support rod has an outer tube, and the telescopic pole and the electric motor are inserted in the outer tube.
  • the telescopic pole has a screw rod connected to the electric motor, and a bearing for fixing the screw rod is arranged between the screw rod and the outer tube.
  • An inner edge of the bearing needs to be tightly fit with the screw rod and an outer edge of the bearing needs to be tightly fit with an inner wall of the outer tube.
  • the outer tube is relatively long, and the bearing is therefore difficult to be assembled.
  • CN 215 212 981 U discloses an example of an electric support rod.
  • This invention is directed to an electric support rod having a driving assembly, an actuating assembly, and a bearing.
  • the driving assembly has a first outer tube and a driving unit accommodated in the first outer tube, the first outer tube has a first engaging end and an internal thread arranged on an inner surface of the first engaging end.
  • the actuating assembly has a second outer tube and a transmission screw rod inserted in the second outer tube, the second outer tube has a second engaging end and a plurality of elastic arms.
  • the elastic arms are axially extended from the second engaging end and disposed spacedly around the transmission screw rod.
  • Each elastic arm has an internal surface facing the transmission screw rod and an external surface opposite to the transmission screw rod.
  • An outer thread structure is arranged on the external surface, a hook portion is disposed protrusively from the internal surface.
  • the second engaging end is inserted in the first engaging end, the internal thread is screwed with the outer thread structure, and one end of the transmission screw rod protrudes from the second outer tube to be engaged the driving unit.
  • the bearing is adapted to sheathe the transmission screw rod, and the hook portion latches an outer edge of the bearing.
  • the outer edge of the bearing is attached on the internal surface of the elastic arm.
  • the actuating assembly further has a telescopic set inserted in the second outer tube and adapted to sheathe the transmission screw rod, and the telescopic set has a nut screwed with the transmission screw rod.
  • the transmission screw rod has a transmission thread
  • the transmission screw rod has a tenon laterally inserted in the transmission screw rod
  • the bearing is clamped between one end of the transmission thread and the tenon.
  • each outer thread structure has a plurality of thread segments disposed parallelly, and the thread segments of the outer thread structure are configured with the internal thread in the same helix line.
  • an outer surface of the second outer tube has an external thread extended from any one of the outer thread structures, and the external thread and the thread segments of the outer thread structures are configured with the internal thread in the same helix line.
  • the outer surface of the second outer tube has a connecting surface, the connecting surface is attached on the inner surface of the first outer tube.
  • the external thread is disposed between the connecting surface and the outer thread structure and is screwed with the internal thread.
  • the connecting surface is a curved annular surface surrounding a lateral side of the second outer tube.
  • the driving unit of the electric support rod of this disclosure may be preassembled to the first outer tube.
  • the telescopic set, the transmission screw rod and the bearing may be preassembled to the second outer tube, and then the first outer tube may be engaged with the second outer tube so that the transmission screw rod is power connected with the driving unit and the bearing is positioned.
  • this disclosure is directed to an electric support rod having a driving assembly 100, an actuating assembly 200 and a bearing 300.
  • the driving assembly 100 has a first outer tube 110 and a driving unit 130 accommodated in the first outer tube 110.
  • the first outer tube 110 has a first engaging end 111, the first engaging end 111 has an opening 101, and an internal thread 112 is arranged on an inner surface of the first engaging end 111.
  • the driving unit 130 at least has a motor.
  • the actuating assembly 200 has a second outer tube 210 and a transmission screw rod 230 inserted in the second outer tube 210.
  • the second outer tube 210 has a second engaging end 211, and a plurality of elastic arms 220.
  • the elastic arms are extended from the second engaging end 211 along an axial direction of the second outer tube 210 and disposed around the transmission screw rod 230 at intervals.
  • Each elastic arm 220 has an internal surface 220a facing the transmission screw rod 230 and an external surface 220b opposite to the transmission screw rod 230, an outer thread structure 222 is arranged on each external surface 220b, a hook portion 223 is disposed protrusively on each internal surface 220a.
  • Each outer thread structure 222 has a plurality of thread segments 222a disposed parallelly, each thread segment 222a is extended across the elastic arm 220 where the thread segment 222a is located, and the thread segments 222a are configured with the internal thread 112 in the same helix line.
  • An outer surface of the second outer tube 210 has a connecting surface 224 and an external thread 221, the connecting surface 224 is a curved annular surface surrounding a lateral side of the second outer tube 210, and the external thread 221 is configured between the connecting surface 224 and the outer thread structures 222.
  • the external thread 221 extended from any one of the outer thread structures 222, and the external thread 221 and the thread segments 222a of the outer thread structures 222 configured with the internal thread 112 in the same helix line.
  • the transmission screw rod 230 has a transmission thread 231, the transmission screw rod 230 is provided with a tenon 232 which is inserted into the transmission screw rod 230 along a lateral direction of the transmission screw rod 230, and the bearing 300 is clamped between one end of the transmission thread 231 and the tenon 232.
  • the tenon 232 is a C-clip, but scope of this disclosure should not be limited to the aforementioned embodiment.
  • the tenon 232 may be a pin inserted into the transmission screw rod 230.
  • the actuating assembly 200 further has a telescopic set 240 inserted in the second outer tube 210 and adapted to sheathe the transmission screw rod 230.
  • the telescopic set 240 has a plurality of tubes movably sheathed with one another, thereby telescoping for varying a length of the telescopic set 240.
  • the telescopic set 240 has a nut 241 screwed with the transmission screw rod 230, the nut 241 is connected to one of the tubes, the nut 241 is moved along a longitudinal direction of the transmission screw rod 230 when the transmission screw rod 230 is rotated, so as to drive the telescopic set 240 to telescope.
  • the bearing 300 is of a ring shape, the bearing 300 sheathes the transmission screw rod 230 and an inner edge thereof is tightly fit with the transmission screw rod 230.
  • An outer diameter of the bearing 300 is fit with a ring enclosed by the internal surfaces 220a of the elastic arm 220.
  • the bearing 300 is put into the second outer tube 210 along a longitudinal direction of the second outer tube 210, the bearing 300 presses the hook portions 223 when moves into the second outer tube 210 so as to outward push the elastic arms 220.
  • the bearing 300 passes the hook portions 223 and then the elastic arms 220 return inward so that an outer edge of the bearing 300 is attached with the internal surfaces 220a of the elastic arms 220, and the hook portions 223 latch the outer edge of the bearing 300 to fix the bearing 300 in the second outer tube 210.
  • the second engaging end 211 is inserted into the first engaging end 111 through the opening 101, the internal thread 112 is screwed with the outer thread structures 222, and the external thread 221 is screwed with the internal thread 112, so that the first outer tube 110 is connected with the second outer tube 210.
  • One end of the transmission screw rod 230 protrudes from the second outer tube 210 to be engaged the driving unit 130, and the transmission screw rod 230 and the motor of the driving unit 130 are co-axially disposed.
  • the first outer tube 110 and the second outer tube 210 may be further welded to fix with each other.
  • the connecting surface 224 is attached with the inner surface of the first outer tube 110, namely attached to a region between the opening 101 and the internal thread 112, and the connecting surface 224 may be fixed with the inner surface of the first outer tube 110 via laser welding, high frequency bonding, binder, etc.
  • the driving unit 130 of the electric support rod of this disclosure may be pre-assembled to the first outer tube 110, the telescopic set 240, the transmission screw rod 230 and the bearing 300 may be pre-assembled to the second outer tube 210, and then the first outer tube 110 may be engaged with the second outer tube 210 so as to link the transmission screw rod 230 with the driving unit 130.
  • the second outer tube 210 has elastic arms 220, the elastic arm 220 has the hook portion 223 and the outer thread structure 222 respectively disposed at inside and outside thereof, the bearing 300 may be fixed by the hook portion 223 when move into the second outer tube 210 so as to avoid loosening for a convenience of engaging the second outer tube 210 with the first outer tube 110.
  • the second outer tube 210 is engaged with the first outer tube 110, and then the elastic arm 220 is positioned by the inner surface of the first outer tube 110 so as to tightly fit the outer edge of the bearing.

Landscapes

  • Mutual Connection Of Rods And Tubes (AREA)
  • Organic Insulating Materials (AREA)
  • Inorganic Insulating Materials (AREA)
  • Vehicle Body Suspensions (AREA)
  • Holders For Apparel And Elements Relating To Apparel (AREA)

Claims (10)

  1. Une tige de support électrique, comprenant :
    un ensemble d'entraînement (100), comprenant un premier tube extérieur (110) et une unité d'entraînement (130) logée dans le premier tube extérieur (110), le premier tube extérieur (110) comprenant une première extrémité d'engagement (111) et un filetage intérieur (112) disposé sur une surface intérieure de la première extrémité d'engagement (111) ;
    un ensemble d'actionnement (200) comprenant un deuxième tube extérieur (210) et une tige de vis de transmission (230) insérée dans le deuxième tube extérieur (210), le deuxième tube extérieur (210) comprenant une deuxième extrémité d'engagement (211), caractérisé en ce que le deuxième tube extérieur (210) comprend en outre une pluralité de bras élastiques (220), les bras élastiques (220) s'étendant axialement à partir de la deuxième extrémité d'engagement (211) et disposés de manière espacée autour de la tige de vis de transmission (230), chaque bras élastique (220) comprend une surface intérieur (220a) orientée vers la tige de vis de transmission (230) et une surface extérieur (220b) opposée à la tige de vis de transmission (230), une structure filetée extérieur (222) disposée sur la surface extérieur (220b), une partie crochet (223) disposée en saillie sur la surface intérieur (220a), la deuxième extrémité d'engagement (211) insérée dans la première extrémité d'engagement (111), le filetage intérieur (112) vissé à la structure filetée extérieur (222), et une extrémité de la tige de vis de transmission (230) faisant saillie du deuxième tube extérieur (210) pour être engagée dans l'unité d'entraînement (130) ; et
    un palier (300), adapté pour entourer la tige de vis de transmission (230), et les parties de crochet (223) verrouillées sur un bord extérieur du palier (300).
  2. La tige de support électrique selon la revendication 1, dans laquelle le bord extérieur du palier (300) est fixé sur la surface intérieur (220a) de chaque bras élastique (220).
  3. La tige de support électrique selon la revendication 1, dans laquelle l'ensemble d'actionnement (200) comprend en outre un ensemble télescopique (240) inséré dans le second tube extérieur (210) et adapté pour entourer la tige de vis de transmission (230), et l'ensemble télescopique (240) comprend un écrou (241) vissé avec la tige de vis de transmission (230).
  4. La tige de support électrique selon la revendication 1, dans laquelle la tige de vis de transmission (230) comprend un filetage de transmission (231), la tige de vis de transmission (230) comprend un tenon (232) inséré latéralement dans la tige de vis de transmission (230), et le palier (300) est serré entre une extrémité du filetage de transmission (231) et le tenon (232).
  5. La tige de support électrique selon la revendication 1, dans laquelle la structure de filetage extérieur (222) comprend une pluralité de segments de filetage (222a) disposés parallèlement, et les segments de filetage (222a) de la structure de filetage extérieur (222) sont configurés avec le filetage intérieur (112) dans une même ligne d'hélice.
  6. La tige de support électrique selon la revendication 1, dans laquelle le deuxième tube extérieur (210) comprend un filetage extérieur (221) disposé sur une surface extérieure de celui-ci et continuant avec la structure de filetage extérieur (222), le filetage extérieur (221) et les segments de filetage (222a) de la structure de filetage extérieur (222) sont configurés avec le filetage intérieur (112) dans une même ligne d'hélice.
  7. La tige de support électrique selon la revendication 6, dans laquelle le deuxième tube extérieur (210) comprend une surface de connexion (224) disposée sur sa surface extérieure, la surface de connexion (224) est fixée sur la surface intérieure du premier tube extérieur (110), et le filetage extérieur (221) est disposé entre la surface de connexion (224) et la structure de filetage extérieur (222) et est vissé avec le filetage intérieur (112).
  8. La tige de support électrique selon la revendication 1, dans laquelle le second tube extérieur (210) comprend une surface de connexion (224) disposée sur sa surface extérieure, et la surface de connexion (224) est fixée sur la surface intérieure du premier tube extérieur (110).
  9. La tige de support électrique selon la revendication 7, dans laquelle la surface de connexion (224) est une surface annulaire courbée entourant un côté latéral du second tube extérieur (210).
  10. La tige de support électrique selon la revendication 8, dans laquelle la surface de connexion (224) est une surface annulaire courbée entourant un côté latéral du second tube extérieur (210).
EP22177165.2A 2022-01-07 2022-06-03 Tige de support électrique Active EP4209653B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW111100731A TWI790884B (zh) 2022-01-07 2022-01-07 電動支撐桿

Publications (3)

Publication Number Publication Date
EP4209653A1 EP4209653A1 (fr) 2023-07-12
EP4209653B1 true EP4209653B1 (fr) 2024-03-27
EP4209653C0 EP4209653C0 (fr) 2024-03-27

Family

ID=81941099

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22177165.2A Active EP4209653B1 (fr) 2022-01-07 2022-06-03 Tige de support électrique

Country Status (2)

Country Link
EP (1) EP4209653B1 (fr)
TW (1) TWI790884B (fr)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWM267389U (en) * 2004-11-26 2005-06-11 Bae Yoan Ventilation Engineeri Improved structure of adjustment valve for airtight type duct
DE102008050885A1 (de) * 2008-10-09 2010-04-22 Roto Frank Ag Entlastungsanordnung eines Fensters, einer Tür oder dergleichen
US10745958B2 (en) * 2015-11-24 2020-08-18 U-Shin Ltd. Door opening and closing apparatus for vehicle
CN210087097U (zh) * 2019-03-25 2020-02-18 广东东箭汽车科技股份有限公司 汽车电动撑杆和汽车
CN215212981U (zh) * 2021-02-19 2021-12-17 福州明芳汽车部件工业有限公司 电动撑杆
CN215056470U (zh) * 2021-07-13 2021-12-07 中山市澳多电子科技有限公司 一种方便组装的汽车尾门撑杆
TWM629374U (zh) * 2022-01-07 2022-07-11 信昌機械廠股份有限公司 電動支撐桿

Also Published As

Publication number Publication date
TW202327919A (zh) 2023-07-16
TWI790884B (zh) 2023-01-21
EP4209653C0 (fr) 2024-03-27
EP4209653A1 (fr) 2023-07-12

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