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WO2025102762A9 - Mécanisme d'arbre rotatif et dispositif électronique - Google Patents

Mécanisme d'arbre rotatif et dispositif électronique

Info

Publication number
WO2025102762A9
WO2025102762A9 PCT/CN2024/103313 CN2024103313W WO2025102762A9 WO 2025102762 A9 WO2025102762 A9 WO 2025102762A9 CN 2024103313 W CN2024103313 W CN 2024103313W WO 2025102762 A9 WO2025102762 A9 WO 2025102762A9
Authority
WO
WIPO (PCT)
Prior art keywords
mounting plate
base
rotating member
support rod
link
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.)
Pending
Application number
PCT/CN2024/103313
Other languages
English (en)
Chinese (zh)
Other versions
WO2025102762A1 (fr
Inventor
孙继光
钟鼎
范文
詹强
肖振林
李开旭
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies 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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2025102762A1 publication Critical patent/WO2025102762A1/fr
Publication of WO2025102762A9 publication Critical patent/WO2025102762A9/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/045—Pivotal connections with at least a pair of arms pivoting relatively to at least one other arm, all arms being mounted on one pin
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
    • G06F1/1681—Details related solely to hinges
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • 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
    • 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
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K5/00—Casings, cabinets or drawers for electric apparatus
    • H05K5/02—Details
    • H05K5/0217—Mechanical details of casings
    • H05K5/0226—Hinges

Definitions

  • the present application relates to the technical field of electronic equipment, and in particular to a rotating shaft mechanism and electronic equipment.
  • the present application provides a hinge mechanism.
  • the hinge mechanism includes a base and at least one half-axle module, wherein the half-axle module includes a first link assembly and a second link assembly.
  • the first link assembly includes a first mounting plate, a first rotating member, a first link assembly, a second link assembly, and a first sliding member.
  • the first mounting plate and the first rotating member are disposed on one side of the base.
  • the first rotating member is slidably connected to the first mounting plate and rotatably connected to the base.
  • the first link assembly is rotatably connected to the side of the first rotating member facing the base.
  • the second link assembly is rotatably connected to the side of the first link assembly facing away from the first rotating member.
  • the first sliding member is rotatably connected to the side of the second link assembly facing away from the first link assembly.
  • the second link assembly includes a second mounting plate, a second rotating member, a third link assembly, a fourth link assembly, and a second sliding member.
  • the second mounting plate and the second rotating member are disposed on the side of the base facing away from the first mounting plate.
  • the second rotating member is slidably connected to the second mounting plate and rotatably connected to the base.
  • the third link assembly is rotatably connected to the side of the second rotating member facing the base.
  • the fourth link is rotatably connected to a side of the third link away from the second rotatable member.
  • the second sliding member is rotatably connected to a side of the fourth link away from the third link.
  • a third arc arm is provided on the side of the first rotating member facing the base
  • a fifth arc guide groove is provided on the side of the base facing the first rotating member
  • the third arc arm is accommodated in the fifth arc guide groove
  • the first rotating member and the base are rotationally connected by sliding in the fifth arc guide groove.
  • a fourth arc arm is provided on the side of the second rotating member facing the base
  • a sixth arc guide groove is provided on the side of the base facing the second rotating member
  • the fourth arc arm is accommodated in the sixth arc guide groove
  • the second rotating member and the base are rotationally connected by sliding in the sixth arc guide groove.
  • the third arc arm has a first notch
  • the fourth arc arm has a second notch.
  • the first rotating member has a first end rotatably connected to the first link member, and the first end is located in the second notch.
  • the second rotating member has a second end rotatably connected to the third link member, and the second end is located in the first notch. This allows the first and second rotating members to be staggered, further reducing the overall size of the half-axle module.
  • references to "one embodiment” or “some embodiments” in this specification mean that a particular feature, structure, or characteristic described in conjunction with that embodiment is included in one or more embodiments of the present application.
  • phrases such as “in one embodiment,” “in some embodiments,” “in other embodiments,” and “in yet other embodiments” appearing in various places in this specification do not necessarily refer to the same embodiment, but rather mean “one or more but not all embodiments,” unless otherwise specifically emphasized.
  • the terms “including,” “comprising,” “having,” and variations thereof mean “including but not limited to,” unless otherwise specifically emphasized.
  • the hinge mechanism can be applied to, but is not limited to, foldable electronic devices such as mobile phones, smart wearable devices, tablet computers, or laptop computers.
  • FIG1 is a schematic diagram of the electronic device provided in the embodiments of the present application.
  • the electronic device 10 provided in the present application is an outward-folding electronic device.
  • the electronic device 10 may also include a flexible display 12, a first shell 13, and a second shell 14.
  • FIG2 is a schematic diagram of the electronic device provided in the embodiments of the present application in a flattened state
  • FIG3 is an exploded view of the electronic device in FIG2
  • FIG4 is a schematic diagram of the electronic device provided in the embodiments of the present application in a folded state
  • FIG5 is an exploded view of the electronic device in FIG4 .
  • the first shell 13 and the second shell 14 are arranged on either side of the hinge mechanism 11 and can rotate about the hinge mechanism 11.
  • the flexible display 12 When using the electronic device 10, it can be folded or unfolded according to different usage scenarios.
  • the flexible display 12 when the electronic device 10 is in the flattened state, the flexible display 12 is located on the same side of the hinge mechanism 11, the first housing 13, and the second housing 14.
  • the outer surface of the first housing 13 facing away from the flexible display 12, the outer surface of the hinge mechanism 11 facing away from the flexible display 12, and the outer surface of the second housing 14 facing away from the flexible display 12 can collectively serve as the exterior surface of the electronic device 10.
  • the first housing 13 and the second housing 14 when the electronic device 10 is in the folded state, the first housing 13 and the second housing 14 are positioned opposite each other, and the flexible display 12 serves as both the display surface and the exterior surface of the electronic device 10.
  • the process of the electronic device 10 moving from the flattened state to the folded state, or vice versa is the process of the first housing 13 and the second housing 14 rotating about the hinge mechanism 11. During this process, the flexible display 12 bends or flattens along with the first housing 13 and the second housing 14.
  • FIG9 is a schematic diagram of a half-axle module provided in an embodiment of the present application
  • FIG10 is an exploded schematic diagram of a half-axle module provided in an embodiment of the present application.
  • the half-axle module 112 includes a first link component 1121 and a second link component 1122.
  • the first link component 1121 and the second link component 1122 are respectively connected to the base 111.
  • the half-axle module 112 may also include a synchronization component 1123, a first damping component 1124 and a second damping component 1125.
  • the synchronization component 1123 is used to synchronize the rotation of the first link component 1121 and the second link component 1122, and the first damping component 1124 and the second damping component 1125 provide torsional force during the rotation of the rotating shaft mechanism 11, so as to ensure stable rotation of the rotating shaft mechanism 11.
  • the base 111 may specifically include a main outer shaft 111a and a main inner shaft 111b.
  • the main outer shaft 111a is located on the side of the main inner shaft 111b facing the flexible display screen 12, and the main outer shaft 111a is fixedly connected to the main inner shaft 111b.
  • the main outer shaft 111a and the main inner shaft 111b can be connected by bonding, threading, or welding, and this application does not impose any specific restrictions.
  • Figure 11 is a schematic diagram of a first link assembly provided in an embodiment of the present application
  • Figure 12 is an exploded view of the first link assembly in Figure 11.
  • the first link assembly 1121 includes a first mounting plate 11211, a first rotating member 11212, a first link member 11213, a second link member 11214, and a first sliding member 11215.
  • the first mounting plate 11211 and the first rotating member 11212 are disposed on one side of the base 111, with the first rotating member 11212 located on the side of the first mounting plate 11211 away from the flexible display 12.
  • the first rotating member 11212 is slidably coupled to the first mounting plate 11211 and is rotatably coupled to the base 111.
  • the third link member 11223 is rotationally coupled to the side of the second rotating member 11222 facing the base 111.
  • the fourth link 11224 is rotatably connected to a side of the third link 11223 that is away from the second rotating member 11222.
  • the second sliding member 11225 is rotatably connected to a side of the fourth link 11224 that is away from the third link 11223.
  • the second sliding member 11225 is fixedly connected to the first mounting plate 11211, and the first sliding member 11215 is fixedly connected to the second mounting plate 11221.
  • Figure 16 is a schematic diagram of the first rotating member provided in an embodiment of the present application
  • Figure 17 is another schematic diagram of the first rotating member provided in an embodiment of the present application.
  • the first rotating member 11212 is provided with a third arc arm 112121 on the side facing the base 111.
  • the first rotating member 11212 is provided with a second slide groove 112124 on the side facing the first mounting plate 11211.
  • Figure 18 is a schematic diagram of the first link assembly and the second link assembly in a flattened state provided in an embodiment of the present application.
  • Figure 19 is another schematic diagram of the first link assembly and the second link assembly in a flattened state provided in an embodiment of the present application.
  • Figure 20 is a schematic diagram of the first link assembly and the second link assembly in a semi-folded state provided in an embodiment of the present application.
  • the second sliding member 11225 is accommodated in the second slide groove 112124 and is fixedly connected to the first mounting plate 11211.
  • Figure 21 is a schematic diagram illustrating the cooperation of the first link assembly, the second link assembly, and the base according to an embodiment of the present application.
  • Figure 22 is another schematic diagram illustrating the cooperation of the first link assembly, the second link assembly, and the base according to an embodiment of the present application.
  • Figure 22 shows a cross-sectional view of the first link assembly along the line A-A in Figure 21.
  • the second sliding member 11225 is located between the first mounting plate 11211 and the first rotating member 11212 and can be located simultaneously in the first sliding groove 112112 and the second sliding groove 112124.
  • the third arcuate arm 112121 has a first notch 112122, and the first rotating member 11212 has a first end 11212a rotatably connected to the first link 11213.
  • the fourth arcuate arm 112221 has a second notch 112222, and the second rotating member 11222 has a second end 11222a rotatably connected to the third link 11223.
  • the first end 11212a is located within the second notch 112222, and the second end 11222a is located within the first notch 112122.
  • a first limiting groove 112123 is provided on the sidewall of the first notch 112122 near the second end.
  • the first limiting groove 112123 extends away from the base 111 and communicates with the second sliding groove 112124.
  • a second limiting groove 112223 is provided on the side wall of the second notch 112222 near the first end 11212a.
  • the second limiting groove 112223 extends in a direction away from the base 111 and communicates with the fourth slide 112224.
  • Figure 27 is a schematic diagram of the fourth, fifth, and sixth pins according to an embodiment of the present application cooperating with the first limiting groove and the second slide.
  • Figure 28 is another schematic diagram of the fourth, fifth, and sixth pins according to an embodiment of the present application cooperating with the first limiting groove and the second slide.
  • Figure 29 is another schematic diagram of the fourth, fifth, and sixth pins according to an embodiment of the present application cooperating with the first limiting groove and the second slide.
  • Figure 27 shows the electronic device in a flattened state
  • Figure 28 shows the electronic device in a semi-folded state
  • Figure 29 shows the electronic device in a folded state.
  • the fourth pin 11226, the fifth pin 11227, and the sixth pin 11228 are at least partially received in the first limiting groove 112123 and slide along the first limiting groove 112123.
  • the fourth pin 11226 can be located in the first limiting groove 112123, and the fifth pin 11227 and the sixth pin 11228 are located in the second sliding groove 112124.
  • the fourth pin 11226 gradually disengages from the first limiting groove 112123, while the fifth pin 11227 and the sixth pin 11228 move toward the first limiting groove 112123.
  • the first pin shaft 11216 , the second pin shaft 11217 and the third pin shaft 11218 are at least partially accommodated in the second limiting groove 112223 and slide along the second limiting groove 112223 , which will not be described in detail here.
  • Figures 30(a), 30(b), and 30(c) are schematic diagrams illustrating the movement of the first link assembly from a flattened state to a folded state according to an embodiment of the present application.
  • the cross-sections shown in Figures 30(a), 30(b), and 30(c) are schematic cross-sections taken along the B-B direction of Figure 7 .
  • Figure 30(a) illustrates the flattened state
  • Figure 30(b) illustrates a semi-folded state between the flattened state and the folded state
  • Figure 30(c) illustrates the folded state.
  • the first rotating member 11212 rotates about the base 111 and slides relative to the first mounting plate 11211.
  • the first rotating member 11212 rotates about the base 111 in a direction toward the second mounting plate 11221 (counterclockwise in Figures 30(a), 30(b), and 30(c)).
  • the first rotating member 11212 drives the first link 11213, the second link 11214, and the first sliding member 11215 to move toward the first mounting plate 11211.
  • the second mounting plate 11221 follows the first sliding member 11215 in its movement toward the base 111.
  • the first rotating member 11212 rotates about the base 111 in a direction away from the second mounting plate 11221 (clockwise in Figures 30(a), 30(b), and 30(c)).
  • the first rotating member 11212 drives the first link 11213, the second link 11214, and the first sliding member 11215 to move away from the first mounting plate 11211.
  • Figures 31(a), 31(b), and 31(c) are schematic diagrams illustrating the movement of the second link assembly from a flattened state to a folded state according to an embodiment of the present application.
  • the cross-sections shown in Figures 31(a), 31(b), and 31(c) are schematic cross-sections taken along the C-C direction of Figure 7 .
  • Figure 31(a) illustrates the flattened state
  • Figure 31(b) illustrates a semi-folded state between the flattened state and the folded state
  • Figure 31(c) illustrates the folded state.
  • the second rotating member 11222 rotates about the base 111 and slides relative to the second mounting plate 11221.
  • the first mounting plate 11211 and the second mounting plate 11221 transform from the flattened state to the folded state
  • the second rotating member 11222 rotates about the base 111 in a direction toward the first mounting plate 11211 (clockwise in Figures 31(a), 31(b), and 31(c)).
  • the second rotating member 11222 drives the third link 11223, the fourth link 11224, and the second sliding member 11225 to move toward the second mounting plate 11221.
  • the first mounting plate 11211 follows the second sliding member 11225 in its movement toward the base 111.
  • the second rotating member 11222 rotates about the base 111 in a direction away from the first mounting plate 11211 (counterclockwise in Figures 31(a), 31(b), and 31(c)).
  • the second rotating member 11222 drives the third link 11223, the fourth link 11224, and the second sliding member 11225 to move away from the second mounting plate 11221.
  • the first mounting plate 11211 follows the second sliding member 11225 in a direction away from the base 111. Therefore, the first link assembly 1121 and the second link assembly 1122 can achieve flattening and folding of the hinge mechanism 11. This structure is simple and has low manufacturing costs.
  • the hinge mechanism 11 also includes a first support rod 113 and a second support rod 114.
  • the first support rod 113 is located between the first mounting plate 11211 and the base 111, and is arranged close to the flexible display screen 12.
  • the first support rod 113 is rotatably connected to the half-axis module 112 and the base 111 respectively.
  • the second support rod 114 is located between the second mounting plate 11221 and the base 111, and is arranged close to the flexible display screen 12.
  • the second support rod 114 is rotatably connected to the half-axis module 112 and the base 111 respectively.
  • the first support rod 113 has a first support surface S1 on the side facing the flexible display screen 12
  • the second support rod 114 has a second support surface S2 on the side facing the flexible display screen 12
  • the base 111 has a third support surface S3 on the side facing the flexible display screen 12.
  • Figure 32 is a schematic diagram of the half-axis module provided in an embodiment of the present application in an unfolded state. As shown in Figure 32, when the hinge mechanism 11 is in a flattened state, the first support surface S1, the second support surface S2, and the third support surface S3 form a flat support surface for supporting the flexible display screen 12.
  • Figure 33 is a schematic diagram of the half-axis module provided in an embodiment of the present application in a folded state.
  • the first support surface, the second support surface, and the third support surface form a U-shaped support surface for supporting the flexible display screen 12.
  • the third support surface S3 refers to the appearance surface of the base 111.
  • the appearance surface of the main outer shaft 111a facing the flexible display screen 12 can be the third support surface S3.
  • FIG34 is a schematic diagram of the first support rod provided in an embodiment of the present application.
  • the side of the first support rod 113 facing away from the base 111 can be connected to the first mounting plate 11211.
  • a first curved arm 1131 is provided on the side of the first support rod 113 facing the base 111
  • a first pin 1132 is provided on the side of the first support rod 113 facing the first mounting plate 11211.
  • FIG35 is a schematic diagram of the rotating shaft mechanism provided in an embodiment of the present application in a flattened state
  • FIG36 is a schematic diagram of the rotating shaft mechanism provided in an embodiment of the present application in a folded state.
  • a first curved guide groove 1111 is provided on the side of the base 111 facing the first support rod 113.
  • the first curved arm 1131 is accommodated in the first curved guide groove 1111, and the first curved arm 1131 slides within the first curved guide groove 1111 to achieve the rotational connection between the first support rod 113 and the base 111.
  • a second arc-shaped guide groove 112111 is provided on the side of the first mounting plate 11211 facing the first support rod 113, and the first pin 1132 is accommodated in the second arc-shaped guide groove 112111, and the relative movement between the first support rod 113 and the first mounting plate 11211 is realized by sliding the first pin 1132 in the second arc-shaped guide groove 112111.
  • Figure 37 is a schematic diagram of a second support rod provided in an embodiment of the present application. As shown in Figure 37, the side of the second support rod 114 facing away from the base 111 can be connected to the second mounting plate 11221. Specifically, a second curved arm 1141 is provided on the side of the second support rod 114 facing the base 111, and a second pin 1142 is provided on the side of the second support rod 114 facing the second mounting plate 11221.
  • Figure 38 is another schematic diagram of the hinge mechanism provided in an embodiment of the present application in a flattened state
  • Figure 39 is another schematic diagram of the hinge mechanism provided in an embodiment of the present application in a folded state.
  • a third curved guide groove 1112 is provided on the side of the base 111 facing the second support rod 114.
  • the second curved arm 1141 is accommodated in the third curved guide groove 1112, and the second curved arm 1141 slides within the third curved guide groove 1112 to achieve the rotational connection between the second support rod 114 and the base 111.
  • a fourth arc-shaped guide groove 112211 is provided on the side of the second mounting plate 11221 facing the second support rod 114, and the second pin 1142 is accommodated in the fourth arc-shaped guide groove 112211, and the relative movement between the second support rod 114 and the second mounting plate 11221 is realized by sliding the second pin 1142 in the fourth arc-shaped guide groove 112211.
  • the side of the first support rod 113 away from the base 111 can be connected to the first rotating member 11212.
  • the second arcuate guide groove 112111 can be provided on the side of the first rotating member 11212 facing the first support rod 113.
  • the first pin 1132 is accommodated in the second arcuate guide groove 112111, and the relative movement between the first support rod 113 and the first rotating member 11212 is achieved by the sliding of the first pin 1132 in the second arcuate guide groove 112111.
  • the side of the second support rod 114 away from the base 111 can be connected to the second rotating member 11222.
  • the fourth arc-shaped guide groove 112211 can be set on the side of the second rotating member 11222 facing the second support rod 114, the second pin 1142 is accommodated in the fourth arc-shaped guide groove 112211, and the relative movement between the second support rod 114 and the second rotating member 11222 is realized by sliding the second pin 1142 in the fourth arc-shaped guide groove 112211.
  • first support rod 113 and the second support rod 114 can be omitted.
  • a first support sheet is provided on the side of the flexible display 12 facing the first housing 13, and the side of the first support sheet facing away from the base 111 is fixedly connected to the flexible display 12.
  • a second support sheet is provided on the side of the flexible display 12 facing the second housing 14, and the side of the second support sheet facing away from the base 111 is fixedly connected to the flexible display 12. The first support sheet and the second support sheet are used together to support the flexible display 12.
  • Figure 40 is a schematic diagram of a synchronization assembly provided in an embodiment of the present application
  • Figure 41 is a schematic diagram of a first gear slider and a second gear slider provided in an embodiment of the present application.
  • the synchronization assembly 1123 includes a first rotating shaft 11231, a second rotating shaft 11232, a first gear slider 11233, and a second gear slider 11234.
  • the first rotating shaft 11231 and the second rotating shaft 11232 are arranged parallel to the base 111.
  • the first rotating shaft 11231 is arranged near the first mounting plate 11211.
  • the first gear slider 11233 includes a first slider body 112331 and a first tooth portion 112332.
  • the first tooth portion 112332 is sleeved on the circumference of the first rotating shaft 11231, and the first tooth portion 112332 and the first rotating shaft 11231 are rotatably connected.
  • the first slider body 112331 is located on the side of the first tooth portion 112332 away from the base 111, and is slidably connected to the first mounting plate 11211.
  • the second gear slider 11234 includes a second slider body 112341 and a second tooth portion 112342.
  • the second tooth portion 112342 is sleeved around the circumference of the second rotating shaft 11232 and is rotationally connected to the second rotating shaft 11232.
  • the first tooth portion 112332 and the second tooth portion 112342 are engaged.
  • the second slider body 112341 is located on the side of the second tooth portion 112342 away from the base 111, and is slidably connected to the second mounting plate 11221.
  • the first slider body 112331 slides relative to the first mounting plate 11211
  • the second slider body 112341 slides relative to the second mounting plate 11221.
  • the first and second teeth 112332 and 112342 engage, the first and second teeth 112332 and 112342 rotate synchronously.
  • the first and second teeth 112332 and 112342 rotate at the same angle and speed, resulting in the first slider body 112331 sliding equal to the second slider body 112341 sliding equal to the first mounting plate 11211. Consequently, the first and second mounting plates 11211 and 11221 rotate synchronously relative to the base 111.
  • the first damping assembly 1124 and the second damping assembly 1125 are used to provide torsional force to the first link assembly 1121 and the second link assembly 1122 to stabilize the rotation of the rotating shaft mechanism 11.
  • the first damping assembly 1124 is arranged on the first mounting plate 11211
  • the second damping assembly 1125 is arranged on the second mounting plate 11221.
  • the structure of the first damping assembly 1124 is similar to that of the second damping assembly 1125.
  • Figure 42 is a schematic diagram of the cooperation between the first damping assembly and the first mounting plate provided in an embodiment of the present application
  • Figure 43 is a schematic diagram of the first damping assembly provided in an embodiment of the present application.
  • the first damping assembly 1124 includes a first bracket 11241 and a first spring 11242.
  • the first mounting plate 11211 is provided with a first frame 112113.
  • the first frame 112113 and the first bracket 11241 can be enclosed to form an accommodating space, and the first spring 11242 is disposed within the accommodating space.
  • the first frame 112113 is slidably connected to the first bracket 11241.
  • the first bracket 11241 has a first protrusion 112411.
  • the first rotating member 11212 has a second protrusion 112125.
  • the first protrusion 112411 can abut against the second protrusion 112125.
  • FIG44 is a schematic diagram of the first damping assembly and the first mounting plate provided in an embodiment of the present application in a flattened state. As shown in FIG44 , in the flattened state, the first protrusion 112411 abuts against the second protrusion 112125, and there is no interaction force between the first protrusion 112411 and the second protrusion 112125.
  • FIG45 is a schematic diagram of the first damping assembly and the first mounting plate provided in an embodiment of the present application in a semi-folded state.
  • FIG. 45 is a schematic diagram of the first damping assembly and the first mounting plate provided in the folded state according to an embodiment of the present application.
  • the second protrusion 112125 separates from the first protrusion 112411, and the first protrusion 112411 returns to its original position (i.e., the position in the flattened state) under the elastic force of the first spring 11242 until it reaches the folded state.
  • FIG47 is another schematic diagram of the half-axle module provided in an embodiment of the present application in a flattened state
  • FIG48 is another schematic diagram of the half-axle module provided in an embodiment of the present application in a semi-folded state
  • FIG49 is another schematic diagram of the half-axle module provided in an embodiment of the present application in a folded state.
  • the hinge mechanism 11 further includes a first door panel 115 and a second door panel 116.
  • the first door panel 115 is fixedly connected to the side of the first rotating member 11212 away from the flexible display screen 12
  • the second door panel 116 is fixedly connected to the side of the second rotating member 11222 away from the flexible display screen 12.
  • the first door panel 115 slides relative to the first mounting plate 11211 along with the first rotating member 11212, and the second door panel 116 slides relative to the second mounting plate 11221 along with the second rotating member 11222.
  • the first door panel 115 and the second door panel 116 can shield the first link assembly 1121 and the second link assembly 1122.
  • the hinge mechanism 11 is in the folded state, the end of the first door panel 115 away from the base 111 is accommodated in the receiving groove formed by the first mounting plate 11211 and the first housing 13, and the end of the second door panel 116 away from the base 111 is accommodated in the receiving groove formed by the second mounting plate 11221 and the second housing 14.
  • the hinge mechanism 11 may further include a third door panel.
  • the third door panel is positioned between the first door panel 115 and the second door panel 116 and is connected to the base 111.
  • the third door panel may be a separate component from the base 111 and may be fixedly connected to the main inner shaft 111b of the base 111 by bonding.
  • the third door panel and the main inner shaft 111b may be integrally formed, thereby enhancing the structural strength of the third door panel.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Computer Hardware Design (AREA)
  • Signal Processing (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Mechanical Engineering (AREA)
  • Telephone Set Structure (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

L'invention concerne un mécanisme d'arbre rotatif (11) et un dispositif électronique (10). Le mécanisme d'arbre rotatif (11) comprend une base (111), des modules de demi-arbre (112), une première tige de support (113) et une seconde tige de support (114), un premier ensemble de liaison (1121) de chaque module de demi-arbre (112) comprenant une première plaque de montage (11211), un premier élément rotatif (11212), un premier élément de liaison (11213), un deuxième élément de liaison (11214) et un premier élément coulissant (11215) ; et un second ensemble de liaison (1122) de chaque module de demi-arbre comprenant une seconde plaque de montage (11221), un second élément rotatif (11222), un troisième élément de liaison (11223), un quatrième élément de liaison (11224) et un second élément coulissant (11225). Lorsque le dispositif électronique (10) est plié ou déplié, le premier élément rotatif (11212) tourne autour de la base (111) et coulisse par rapport à la première plaque de montage (11211), et le second élément rotatif (11222) tourne autour de la base (111) et coulisse par rapport à la seconde plaque de montage (11221) ; lorsque le dispositif électronique est déplié, la première tige de support (113), la seconde tige de support (114) et la base (111) forment une face de support plate ; et lorsque le dispositif électronique est plié, la première tige de support (113), la seconde tige de support (114) et la base (111) forment une face de support en forme de U.
PCT/CN2024/103313 2023-11-15 2024-07-03 Mécanisme d'arbre rotatif et dispositif électronique Pending WO2025102762A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202311527678.0 2023-11-15
CN202311527678.0A CN120007685B (zh) 2023-11-15 2023-11-15 一种转轴机构以及电子设备

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WO2025102762A9 true WO2025102762A9 (fr) 2025-10-09

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KR20200081639A (ko) * 2018-12-27 2020-07-08 (주)에이유플렉스 플렉서블 디스플레이패널이 설치되는 인폴딩타입 힌지구조
CN110748553B (zh) * 2019-11-13 2024-11-15 东莞市劲丰电子有限公司 两轴连杆与圆弧结合的外折同步转动机构
CN113833741B (zh) * 2020-06-24 2023-04-07 华为技术有限公司 一种折叠装置及电子设备
CN114584638B (zh) * 2020-11-30 2024-05-17 华为技术有限公司 一种转轴机构及移动终端
CN114697417A (zh) * 2020-12-29 2022-07-01 华为技术有限公司 支撑结构、折叠机构及电子设备
CN116066665B (zh) * 2021-10-29 2025-10-31 北京小米移动软件有限公司 铰链装置及折叠式电子设备
CN116567117A (zh) * 2022-01-27 2023-08-08 Oppo广东移动通信有限公司 折叠机构、机壳及可折叠电子设备
TWI803201B (zh) * 2022-02-21 2023-05-21 富世達股份有限公司 鉸鏈

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