WO2021164552A1 - Charnière pliante vers l'intérieur et terminal mobile pliable vers l'intérieur - Google Patents

Charnière pliante vers l'intérieur et terminal mobile pliable vers l'intérieur Download PDF

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Publication number
WO2021164552A1
WO2021164552A1 PCT/CN2021/075080 CN2021075080W WO2021164552A1 WO 2021164552 A1 WO2021164552 A1 WO 2021164552A1 CN 2021075080 W CN2021075080 W CN 2021075080W WO 2021164552 A1 WO2021164552 A1 WO 2021164552A1
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WO
WIPO (PCT)
Prior art keywords
lifting plate
hinge
screen
gear
rod
Prior art date
Application number
PCT/CN2021/075080
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English (en)
Chinese (zh)
Inventor
陈荣
许钰锋
Original Assignee
东莞市环力智能科技有限公司
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Filing date
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Application filed by 东莞市环力智能科技有限公司 filed Critical 东莞市环力智能科技有限公司
Publication of WO2021164552A1 publication Critical patent/WO2021164552A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/02—Constructional features of telephone sets
    • H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026—Details of the structure or mounting of specific components
    • H04M1/0266—Details of the structure or mounting of specific components for a display module assembly

Definitions

  • the invention relates to the field of electronic equipment, in particular to an internal folding hinge and an internal folding mobile terminal.
  • the inner folding mobile phone is a common type of common folding mobile phones.
  • the inner folding hinge is an indispensable accessory, but the traditional inner folding hinge structure has many and complicated action mechanisms and various kinds of actions.
  • the mechanism needs to invest a lot of labor cost and time cost both in the design process and the manufacturing process.
  • the traditional hinge is in the rotation process, due to the complex action mechanism, resulting in low stability.
  • the inner folding hinge with a complicated structure is more likely to damage the flexible display screen, reducing the service life of the inner folding mobile terminal, and the traditional outer folding hinge has poor adaptability to different types of mobile terminals.
  • the purpose of the present invention is to provide an internal folding hinge and an internal folding mobile terminal to solve the problem that the traditional internal folding hinge structure proposed in the background art has many and complicated action mechanisms, and the complicated types of action mechanisms are both in the design process and the manufacturing process. Both need to invest a lot of labor cost and time cost. At the same time, traditional hinges have low stability due to the complex action mechanism during the rotation process. At the same time, when applied to mobile terminals, the internal folding hinges with complex structures are more likely to damage the flexibility. Problems with the display.
  • an inner folding hinge including a hinge mechanism, the hinge mechanism including:
  • the middle shell inside which is provided with a plurality of installation positions for the mechanism
  • the two synchronization mechanisms are installed symmetrically on the installation positions at both ends of the intermediate housing.
  • the synchronization mechanism is internally provided with a gear set for providing terminal mechanical feedback and ensuring the smooth rotation of the hinge. It is also provided with a terminal housing The two rotating ends of the body for synchronous rotation;
  • a plurality of locking mechanisms corresponding to the installation positions of the intermediate housing, and the plurality of locking structures are provided with elastic parts that generate elastic supporting force and prevent the terminal housing from sagging or over-folding under the action of natural gravity;
  • a plurality of connecting mechanisms corresponding to the installation positions of the middle housing, and the plurality of connecting mechanisms are all provided with a lifting plate fixing seat for realizing the rotation connection of the middle housing with the left lifting plate and the right lifting plate;
  • a plurality of corresponding left lifting plates and right lifting plates are installed, and are used to realize the screen supporting and avoiding mechanism that can support the screen when the hinge is opened and can avoid the space to bend the screen when the hinge is closed;
  • the screen support mechanism includes a left cover plate and a right cover plate that are kept horizontally with the left and right lifting plates and are arranged correspondingly, and the bottom of the left cover and the right cover are both installed to make the screen open and hinge on the hinges.
  • the screen is always in a tight state to prevent the screen from swelling and stick to the sliding rail mechanism on its surface.
  • the synchronization mechanism includes a gear seat and a gear positioning plate that are installed on the corresponding installation position of the intermediate housing, and two horizontally installed bottoms are inserted between the gear seat and the gear positioning plate.
  • the first middle gear lever and the second middle gear lever, the top between the lifting plate fixing seat and the gear positioning plate is intersected and connected with the left gear lever and the right gear lever that are directly opposite to the first middle gear lever and the second middle gear lever.
  • the gear rod, one end of the first middle gear rod and the second middle gear rod are sleeved with first full teeth that realize the synchronous rotation of the two middle gear rods, and the two first full teeth are placed inside the gear seat and meshed and connected ,
  • the other end of the second middle gear rod is also sleeved with a second full tooth placed inside the gear seat, and the outer sleeve of the left gear rod is sleeved to realize synchronous rotation with the first middle gear rod, and is connected with the first middle gear.
  • the left half tooth of the first full tooth meshing connection on the rod, the outer sleeve of the right gear rod is sleeved with the right half tooth which realizes the synchronous rotation with the second middle gear rod and meshingly connected with the second full tooth, the left half The teeth, the first full teeth, the second full teeth, and the right half teeth form a gear set of the synchronization mechanism. And the right rotating arm form the rotating end of the synchronization mechanism.
  • the locking mechanism includes a return spring A mounted on the intermediate housing, and both ends of the return spring A are sleeved with a club that cooperates with it to form an elastic part, and the club The inclined surfaces of the lifting plates corresponding to the inner sides of the left lifting plate and the right lifting plate are elastically supported and connected.
  • the connecting mechanism further includes a U-shaped protrusion arranged on the inner side of the left lifting plate and the right lifting plate, and the U-shaped protrusion is connected to the convex side of the fixing seat of the corresponding lifting plate through a pin. Head rotation connection.
  • the screen support avoidance mechanism includes a spring seat, the middle part of the spring seat is inserted and connected with an ejector rod, and the outer part of the ejector rod is sheathed inside the spring seat and used for resetting the ejector rod.
  • Return spring B one end of the spring seat is fixedly installed with two connecting arms with opposite positions and arc-shaped grooves.
  • the inside of the arc-shaped groove is slidably connected with a sliding shaft, and the outside of the sliding shaft is sleeved with one end that is in contact with the ejector rod.
  • the connecting rod, the other end of the connecting rod is rotatably connected with U-shaped blocks provided on the outer sides of the left lifting plate and the right lifting plate through a rotating pin.
  • the sliding rail mechanism includes a sliding seat, and the inside of the sliding seat is slidably connected with a sliding block fixedly installed with the corresponding left cover and the right cover, and both ends of the sliding block A first stopper and a second stopper that are fixedly connected to the inside of the sliding seat and prevent the sliding block from being separated are respectively provided, and a return spring C for resetting the sliding block is installed between one end of the sliding block and the first stopper.
  • the top of the middle casing is also installed with a middle cover that cooperates with the left lifting plate and the right lifting plate to realize the installation and support of the flexible display screen, and when the hinge is fully expanded, the middle cover The board is kept flush with the left lifting board and the right lifting board.
  • An inwardly foldable mobile terminal including an inwardly foldable hinge as described in any one of the above, and also includes a left shell and a right shell for forming a terminal shell, the left shell and the right shell are respectively located in the middle The left and right sides of the shell are kept level with the middle shell.
  • the left rotating arm and the right rotating arm are respectively fixedly connected to the inner ends of the left and right housings, and the spring seat and the sliding seat are both connected to the corresponding left housing by screws.
  • the body and the inner side of the right shell are fixedly connected.
  • the multiple full gears and half gears set by the synchronization mechanism are used for coordination.
  • the rotating arm cooperates with the terminal housing, so that the hinge can drive the terminal housing to rotate clockwise and counterclockwise, and the meshing gears ensure the smooth rotation of the hinge, and also when using the inward-folding mobile terminal It has a good sense of mechanical feedback; under the action of the return spring, the ball lever of the locking mechanism is matched with the inclined surface of the lifting plate inside the lifting plate.
  • the lever principle is used to make the hinge automatically open and close after force is applied, and the terminal is fully opened and closed.
  • the locking when closed prevents the terminal housing from sagging or over-folding under the action of natural gravity; the left lifting plate and the right lifting plate make the lifting plate rotate with the middle housing through the connecting mechanism; and the hinge mechanism is also provided with multiple identical
  • the screen supporting and avoiding mechanism composed of the structure enables the hinge to support the screen when the hinge is opened and to avoid the space to bend the screen when the hinge is closed.
  • the tight state prevents the screen from bulging and sticks to its surface, and cooperates with the screen supporting and avoiding mechanism to prevent the hinge rotation from damaging the flexible display screen and improve the service life of the terminal.
  • the two synchronization mechanisms, multiple locking mechanisms, multiple connecting mechanisms, multiple screen support avoidance mechanisms and multiple slide rail mechanisms in the internal folding hinge adopt the same structure and symmetrical installation method, which greatly simplifies the internal
  • the structural complexity of the folding hinge also ensures the stability of the hinge when it is opened and closed, and can then be better adapted to a variety of mobile terminals (mobile phones, notebook computers, and tablet computers, etc.).
  • Figure 1 is a schematic diagram of the structure of the present invention
  • Figure 2 is a schematic diagram of the split structure of the present invention.
  • Fig. 3 is an enlarged schematic diagram of Fig. 2 at A of the present invention.
  • FIG. 4 is a schematic diagram of the unfolded structure of the synchronization mechanism of the present invention.
  • Figure 5 is a schematic diagram of the closed structure of the synchronization mechanism of the present invention.
  • Figure 6 is a schematic diagram of the unfolded structure of the locking mechanism of the present invention.
  • Figure 7 is a schematic view of the closed structure of the locking mechanism of the present invention.
  • Figure 8 is an analysis diagram of the unfolding force of the synchronization mechanism of the present invention.
  • Figure 9 is the closed force analysis diagram of the synchronization mechanism of the present invention.
  • Fig. 10 is a diagram showing the force analysis of the synchronization mechanism of the present invention when it is deployed in a reverse direction;
  • FIG. 11 is a schematic diagram of the structure of the screen supporting and avoiding mechanism of the present invention.
  • FIG. 12 is a schematic diagram of the disassembly of the screen support avoidance mechanism of the present invention.
  • Figure 13 is a schematic structural diagram of the slide rail mechanism of the present invention.
  • Figure 14 is a schematic diagram of the split structure of the slide rail mechanism of the present invention.
  • the present invention provides an internal folding hinge, an internal folding hinge, including a hinge mechanism 1, the hinge mechanism 1 includes:
  • the middle housing 11 is provided with a plurality of installation positions for the mechanism in the middle housing 11, which is used to install the corresponding parts in the hinge action structure;
  • Two synchronization mechanisms 1a Two synchronization mechanisms 1a are installed symmetrically on the installation positions at both ends of the intermediate housing 11.
  • the synchronization mechanism 1a is provided with a gear set for providing terminal mechanical feedback and ensuring the smooth rotation of the hinge, and is also provided with useful gears. Two rotating ends for realizing synchronous rotation of the terminal housing;
  • a plurality of locking mechanisms 1b corresponding to the installation positions of the intermediate housing 11, and the plurality of locking structures 1b are provided with elastic parts that generate elastic supporting force and prevent the terminal housing from sagging or over-folding under the action of natural gravity;
  • a plurality of connecting mechanisms 1c corresponding to the installation positions of the middle housing 11, and the plurality of connecting mechanisms 1c are all provided with a lifting plate fixing seat for realizing the rotation connection of the middle housing 11 with the left lifting plate 12 and the right lifting plate 13 1c1;
  • a plurality of corresponding left lifting plates 12 and right lifting plates 13 are installed, and are used to realize the screen supporting and avoiding mechanism 1d that can support the screen when the hinge is opened and can avoid the space to bend the screen when the hinge is closed;
  • the screen support mechanism includes a left cover plate 21 and a right cover plate 31 which are kept horizontally with the left lift plate 12 and the right lift plate 13 and are arranged correspondingly, and the bottom of the left cover plate 21 and the right cover plate 31 are both installed During the process of opening and closing the hinge, the screen is always in a tight state to prevent the screen from bulging, and is closely attached to the sliding rail mechanism 1e on the surface.
  • the synchronization mechanism 1a includes a gear seat 1a11 and a gear positioning plate 1a12 installed on the corresponding installation position of the intermediate housing 11. Two horizontally arranged firsts are inserted between the bottom of the gear seat 1a11 and the gear positioning plate 1a12. A middle gear lever 1a9 and a second middle gear lever 1a10. The top of the lifting plate fixing seat 1a1 and the gear positioning plate 1a12 is interspersedly connected with the left side which is directly opposite to the first middle gear lever 1a9 and the second middle gear lever 1a10.
  • the gear lever 1a3 and the right gear lever 1a4, the first middle gear lever 1a9 and the second middle gear lever 1a10 are both sleeved with first full teeth 1a6 for synchronous rotation of the two middle gear bars, and two first full teeth 1a6 is placed inside the gear seat 1a11 and meshingly connected.
  • the other end of the second middle gear rod 1a10 is also sleeved with a second full tooth 1a7 placed inside the gear seat 1a11.
  • a middle gear lever 1a9 rotates synchronously, and the left half tooth 1a5 meshingly connected with the first full tooth 1a6 on the first middle gear lever 1a9, the outer sleeve of the right gear lever 1a4 is sleeved to realize synchronous rotation with the second middle gear lever 1a10, And the right half tooth 1a8 meshingly connected with the second full tooth 1a7, the left half tooth 1a5, the first full tooth 1a6, the second full tooth 1a7 and the right half tooth 1a8 form the gear set of the synchronization mechanism 1a, the left gear lever 1a3 and the right One end of the gear rod 1a4 is sleeved with a left rotating arm 1a1 and a right rotating arm 1a2, and the left rotating arm 1a1 and the right rotating arm 1a2 form the rotating end of the synchronization mechanism 1a.
  • the left housing 2 moves clockwise to drive the left rotating arm a11 to move clockwise, and the left rotating arm 1a1 that rotates clockwise drives the left gear lever 1a3 to move clockwise.
  • the left housing 2 moves counterclockwise, and the left rotating arm a11 is also driven counterclockwise, and the left rotating arm 1a1 rotating counterclockwise drives the left gear lever 1a3 counterclockwise Movement;
  • the left gear lever 1a3 drives the right gear lever 1a4 to move clockwise under the action of the gears in the gear set, and the clockwise rotating right gear lever 1a4 drives the right housing 2 to also rotate clockwise through the right rotating arm 1a2, and then Realize the synchronous unfolding movement between the left and right shells.
  • the locking mechanism 1b includes a return spring A1b2 mounted on the intermediate housing 11. Both ends of the return spring A1b2 are sleeved with a cue 1b1 that cooperates with it to form an elastic part, and the cue 1b1 and the left lifting plate 12 The inclined surface 1b3 of the lifting plate corresponding to the inner side of the right lifting plate 13 is elastically supported and connected.
  • the connecting mechanism 1c further includes a U-shaped protrusion 1c3 provided on the inner side of the left lifting plate 12 and the right lifting plate 13, and the U-shaped protrusion 1c3 is rotatably connected with the convex head on the side of the corresponding lifting plate fixing seat 1c1 through a pin 1c2,
  • the U-shaped protrusions 1c3 on the inner side of the left lifting plate 12 and the right lifting plate 13 are used to rotatably connect the pins 1c2 with the convex heads on the side of the lifting plate fixing seat 1c1,
  • the left lifting plate 12 and the right lifting plate 13 can be quickly installed with the middle housing 11 and prevent falling off.
  • the screen support avoidance mechanism 1d includes a spring seat 1d2, the middle of the spring seat 1d2 is interspersed with a top rod 1d4, and the outer sleeve of the top rod 1d4 is placed inside the spring seat 1d2 and used for resetting of the top rod 1d4.
  • Spring B1d3, one end of the spring seat 1d2 is fixedly installed with two connecting arms 1d5 with opposite positions and arc-shaped grooves.
  • the inside of the arc-shaped groove is slidingly connected with a sliding shaft 1d6, and the outside of the sliding shaft 1d6 is sleeved with one end and the ejector rod
  • the connecting rod 1d7 that conflicts with 1d4 the other end of the connecting rod 1d7 is rotatably connected with the U-shaped block 1d1 provided on the outer side of the left lifting plate 12 and the right lifting plate 13 through a rotating pin.
  • the left housing 2 rotates clockwise
  • the right housing 3 rotates counterclockwise
  • the left lifting plate 12 and the right lifting plate 13 rotate and sink to drive the connecting rod 1d7 to rotate and sink
  • using the sliding shaft 1d6 slides inside the arc groove of the connecting arm 1d5, and squeezes the ejector rod 1d4 to move to both sides; realizes that the lifting plate avoids the space to bend the screen during the hinge closing process;
  • the left housing 2 rotates counterclockwise, the right housing 3 rotates clockwise, the left lifting plate 12 and the right lifting plate 13 rotate and rise; at the same time, the left and right lifting plates simultaneously drive the connecting rod 1d7 Rotate and rise, use the sliding shaft 1d6 to slide inside the arc groove of the connecting arm 1d5, the return spring B1d3 pushes the top rod 1d4 to move in the middle; the top rod 1d4 pushes the connecting rod 1d7 to support the lifting plate, thereby supporting the screen and realizing the hinge opening process In the middle, the lifting plate rises to support the screen.
  • the sliding rail mechanism 1e includes a sliding seat 1e1.
  • the inside of the sliding seat 1e1 is slidably connected with a sliding block 1e4 fixedly installed with the corresponding left cover 21 and the right cover 31, and both ends of the sliding block 1e4 are respectively provided with
  • the first block 1e2 and the second block 1e5 are fixedly connected to the inside of the sliding seat 1e1 and prevent the sliding block 1e4 from being separated, and a return spring for the sliding block 1e4 is installed between one end of the sliding block 1e4 and the first block 1e2 C1e3.
  • the screen is bent and hidden in the avoiding area of the lifting plate, the slider 1e4 is guided in the sliding seat 1e1 and slides outward, so that the left cover 21 and the right cover 31 move outward. Tighten the screen to prevent the screen from bulging;
  • the left lifting plate 12 and the right lifting plate 13 rise to support the screen, the screen pulls the left cover 21 and the right cover 31 on both sides to the middle, and the slider 1e4 compresses the reset spring C1e3, so that the screen is at Tighten the state to prevent the screen from bulging.
  • the top of the middle housing 11 is also installed with a middle cover 111 that cooperates with the left lifting plate 12 and the right lifting plate 13 to install and support the flexible display screen, and when the hinge is fully expanded, the middle cover 111 and the left lift The board 12 and the right lifting board 13 are kept flush to ensure that the screen can be quickly installed inside the terminal housing.
  • An inward-folding mobile terminal including any one of the above-mentioned inward-folding hinges, and further comprising a left housing 2 and a right housing 3 for forming a terminal housing, the left housing 2 and the right housing 3 are respectively located in the middle
  • the left and right sides of the casing 11 are kept horizontal with the middle casing 11, so that this kind of inner folding hinge can better adapt to a variety of mobile terminals.
  • left rotating arm 1a1 and the right rotating arm 1a2 are fixedly connected to the inner ends of the left housing 2 and the right housing 3, respectively, and the spring seat 1d2 and the sliding seat 1e1 are both connected to the corresponding left housing 2 and right housing by screws.
  • the inner side of the body 3 is fixedly connected, and the left housing 2 and the right housing 3 can be driven to rotate synchronously by using the left rotating arm 1a1 and the right rotating arm 1a2.
  • it can be a fixed connection, a detachable connection, or a whole; it can be a mechanical connection or an electrical connection; it can be a direct connection or Indirectly connected through an intermediate medium, it may be the internal communication of two elements or the interaction relationship between two elements.
  • it can be a fixed connection, a detachable connection, or a whole; it can be a mechanical connection or an electrical connection; it can be a direct connection or Indirectly connected through an intermediate medium, it may be the internal communication of two elements or the interaction relationship between two elements.

Abstract

L'invention concerne une charnière pliante vers l'intérieur et un terminal mobile pliable vers l'intérieur. La charnière pliante vers l'intérieur comprend un mécanisme d'articulation. Le mécanisme d'articulation comprend : des mécanismes de synchronisation, un jeu d'engrenages configuré pour fournir un retour tactile mécanique du terminal et assurer une rotation régulière de l'articulation étant disposé à l'intérieur ; une pluralité de mécanismes de verrouillage munis de parties élastiques pour produire une force de support élastique et empêcher l'affaissement d'un boîtier de terminal sous l'effet de la gravité naturelle ou d'un pliage excessif ; et une pluralité de mécanismes de support et de libération d'écran montés de manière correspondante sur une plaque de levage gauche et une plaque de levage droite et configurés pour supporter un écran lorsque l'articulation est ouverte et libérer un espace pour le pliage de l'écran lorsque l'articulation est fermée. De plus, des mécanismes de rail coulissant configurés pour empêcher l'écran de se bomber et fixés étroitement sur la surface de l'écran sont montés sur les fonds d'une plaque de couverture gauche et d'une plaque de couverture droite. Dans la présente invention, les mêmes structures de fonctionnement internes ont une même configuration et une disposition symétrique, ce qui simplifie grandement la complexité structurelle de la charnière pliante vers l'intérieur et assure également la stabilité pendant l'ouverture et la fermeture de la charnière, de sorte que la charnière peut être mieux adaptée à divers terminaux mobiles.
PCT/CN2021/075080 2020-02-19 2021-02-03 Charnière pliante vers l'intérieur et terminal mobile pliable vers l'intérieur WO2021164552A1 (fr)

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CN202010101840.2 2020-02-19
CN202010101840.2A CN111163199A (zh) 2020-02-19 2020-02-19 一种内折叠铰链及内折移动终端

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CN113794315A (zh) * 2021-09-23 2021-12-14 黄息枝 一种三相异步电机
CN113873067A (zh) * 2021-10-26 2021-12-31 维沃移动通信有限公司 电子设备

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CN111163199A (zh) * 2020-02-19 2020-05-15 东莞市环力智能科技有限公司 一种内折叠铰链及内折移动终端
CN111741146B (zh) * 2020-06-09 2022-01-11 Oppo（重庆）智能科技有限公司 折叠机构及具有该折叠机构的电子设备
CN112885316A (zh) * 2021-04-02 2021-06-01 东莞市美派电子科技有限公司 折叠连接组件及可折叠电子琴
CN113905113B (zh) * 2021-05-27 2022-11-04 荣耀终端有限公司 一种转动机构、支撑装置和电子设备

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CN110782791A (zh) * 2019-11-06 2020-02-11 东莞市环力智能科技有限公司 一种折叠铰链组件及移动终端
CN111163199A (zh) * 2020-02-19 2020-05-15 东莞市环力智能科技有限公司 一种内折叠铰链及内折移动终端

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US20120149438A1 (en) * 2010-12-10 2012-06-14 Prexco Co., Ltd. Mobile phone of folding type and hinge device of the same
CN108055371A (zh) * 2018-01-26 2018-05-18 努比亚技术有限公司 一种折叠机构及可折叠移动终端
CN110671423A (zh) * 2019-11-06 2020-01-10 东莞市环力智能科技有限公司 一种用于柔性屏的三段式折叠铰链及其移动设备
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Publication number Priority date Publication date Assignee Title
CN113794315A (zh) * 2021-09-23 2021-12-14 黄息枝 一种三相异步电机
CN113794315B (zh) * 2021-09-23 2022-11-15 深圳市昱森机电有限公司 一种三相异步电机
CN113873067A (zh) * 2021-10-26 2021-12-31 维沃移动通信有限公司 电子设备
CN113873067B (zh) * 2021-10-26 2023-09-19 维沃移动通信有限公司 电子设备

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