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CN-122014741-A - Rotating mechanism and folding electronic equipment

CN122014741ACN 122014741 ACN122014741 ACN 122014741ACN-122014741-A

Abstract

The embodiment of the application provides a rotating mechanism and folding electronic equipment, which are used for solving the problem of poor reliability of a flexible screen. A rotary mechanism is provided that includes a main shaft, a first shaft assembly and a second shaft assembly. The first rotating shaft assembly comprises a first rotating piece, a first connecting rod, a first fixing frame and a first swing arm. The first rotating piece is rotationally connected with the main shaft, the first rotating piece is in sliding connection with the first fixing frame, the first connecting rod is rotationally connected with the first rotating piece, the first connecting rod is in sliding connection with the first fixing frame, the first swing arm is rotationally connected with the main shaft, and the first swing arm is in sliding connection with the first fixing frame. When the rotating mechanism is in a folding state, the first rotating shaft assembly, the main shaft and the second rotating shaft assembly jointly form an accommodating space, and on a supporting surface perpendicular to the main shaft, part of the first swing arm is positioned between the first connecting rod and the main shaft. When the folding electronic equipment is impacted, the first connecting rod can prevent the first swing arm from continuing to slide, and the phenomenon that the accommodating space is reduced is improved.

Inventors

  • WU WEIFENG
  • ZHONG DING
  • TAN YONGBIN
  • HU YUEHUA
  • YAN ZHIGUO

Assignees

  • 华为技术有限公司

Dates

Publication Date
20260512
Application Date
20250917

Claims (20)

  1. 1. A rotary mechanism, comprising: A main shaft (100) extending in a first direction (X); The first rotating shaft assembly (200) comprises a first rotating piece (210), a first connecting rod (220), a first fixing frame (230) and a first swing arm (250), The first end (210 a) of the first rotating member is rotationally connected with the main shaft (100), the second end (210 b) of the first rotating member is slidably connected with the first fixing frame (230) through a first chute (231), the second end (210 b) of the first rotating member can slide relative to the first fixing frame (230) along the extending direction of the first chute (231), the first end (220 a) of the first connecting rod is rotationally connected with the first rotating member (210), the second end (220 b) of the first connecting rod is slidably connected with the first fixing frame (230) through a first guide groove (224), the second end (220 b) of the first connecting rod can slide relative to the first fixing frame (230) along the extending direction of the first guide groove (224), the first end (250 a) of the first swing arm is rotationally connected with the main shaft (100), and the second end (235 b) of the first swing arm can slide relative to the first fixing frame (230) along the extending direction of the first swing arm (235) through a third chute (224); The second rotating shaft assembly (300) comprises a second rotating piece (310), a second connecting rod (320), a second fixing frame (330) and a second swinging arm (350), The first end (310 a) of the second rotating member is rotationally connected with the main shaft (100), the second end (310 b) of the second rotating member is slidably connected with the second fixing frame (330) through a second sliding groove (331), the second end (310 b) of the second rotating member can slide relative to the second fixing frame (330) along the extending direction of the second sliding groove (331), the first end (320 a) of the second connecting rod is rotationally connected with the second rotating member (310), the second end (320 b) of the second connecting rod is slidably connected with the second fixing frame (330) through a second guiding groove (324), the second end (320 b) of the second connecting rod can slide relative to the second fixing frame (330) along the extending direction of the second guiding groove (324), the first end (350 a) of the second swinging arm is rotationally connected with the main shaft (100), and the second end (350 b) of the second swinging arm is slidably connected with the second fixing frame (330) along the extending direction of the fourth sliding groove (335); When the rotating mechanism is in an unfolding state, the first rotating shaft assembly (200) and the second rotating shaft assembly (300) are arranged along a second direction (Y), the first rotating shaft assembly (200), the main shaft (100) and the second rotating shaft assembly (300) jointly form a supporting plane (S), the extending direction of the first sliding groove (231) and the extending direction of the second sliding groove (331) are intersected with the supporting plane (S), the extending direction of the first guide groove (224) and the extending direction of the second guide groove (324) are intersected with the supporting plane (S), and the orthographic projection of the extending direction of the first guide groove (224) and the extending direction of the second guide groove (324) on the supporting plane (S) is perpendicular to the orthographic projection of the second direction (Y) on the supporting plane (S); When the rotating mechanism is in a folded state, the first rotating shaft assembly (200), the main shaft (100) and the second rotating shaft assembly (300) jointly form an accommodating space, on a third direction (Z), part of the first swinging arm (250) is positioned between the first connecting rod (220) and the main shaft (100), part of the second swinging arm (350) is positioned between the second connecting rod (320) and the main shaft (100), and the third direction (Z) is perpendicular to a supporting surface of the main shaft (100).
  2. 2. The rotating mechanism according to claim 1, wherein, The rotation axis of the first connecting rod (220) relative to the first rotating piece (210) is a first axis (L1), the orthographic projection of the first axis (L1) on the supporting plane (S) is intersected with the orthographic projection of the extending direction of the first sliding groove (231) on the supporting plane (S), and the orthographic projection of the first axis (L1) on the supporting plane (S) is also intersected with the orthographic projection of the first direction (X) on the supporting plane (S); The rotation axis of the second connecting rod (320) relative to the second rotating member (310) is a second axis (L2), the orthographic projection of the second axis (L2) on the supporting plane (S) is intersected with the orthographic projection of the extending direction of the second sliding chute (331) on the supporting plane (S), and the orthographic projection of the second axis (L2) on the supporting plane (S) is intersected with the orthographic projection of the first direction (X) on the supporting plane (S).
  3. 3. The rotating mechanism according to claim 1 or 2, wherein when the rotating mechanism is in a unfolded state, the first swing arm (250) is staggered with respect to the front projection of the first link (220) on a first reference plane, the second swing arm (350) is staggered with respect to the front projection of the second link (320) on the first reference plane, and the first reference plane is perpendicular to the first direction (X).
  4. 4. A rotary mechanism according to any one of claim 1 to 3, wherein, When the rotating mechanism is in a unfolding state, in the third direction (Z), part of the first swing arm (250) is positioned between the first connecting rod (220) and the supporting plane (S), and part of the second swing arm (350) is positioned between the second connecting rod (320) and the supporting plane (S).
  5. 5. The rotating mechanism according to any one of claims 1-4, wherein the first mount (230) includes a first aperture (236), the second end (250 b) of the first swing arm includes a first stop block (229), the first mount (230) further includes the third runner (235), the third runner (235) and the first aperture (236) are in communication, the second mount (330) includes a second aperture (336), the second end (350 b) of the second swing arm includes a second stop block (329), the second mount (330) further includes the fourth runner (335), the fourth runner (335) and the second aperture (336) are in communication; When the rotating mechanism is in a folded state, at least part of the first stop block (229) is positioned at a communication part of the first hole (236) and the third sliding groove (235), and at least part of the second stop block (329) is positioned at a communication part of the second hole (336) and the fourth sliding groove (335).
  6. 6. The rotating mechanism according to claim 5, wherein when the rotating mechanism is in a deployed state, at least part of the first stop block (229) is located within the first aperture (236) and the first stop block (229) is further located outside the third runner (235), at least part of the second stop block (329) is located within the second aperture (336) and the second stop block (329) is further located outside the fourth runner (335).
  7. 7. The rotating mechanism according to claim 5 or 6, wherein the rotating mechanism is in a deployed state: The distance between the first end (236 a) of the first hole and the main shaft 100 is equal to the distance between the second end (236 b) of the first hole and the main shaft 100, the distance between the first end (236 a) of the first hole and the supporting plane (S) is smaller than the distance between the second end (236 b) of the first hole and the supporting plane (S), and the first end (236 a) of the first hole is communicated with the third sliding groove (235); The distance between the first end (336 a) of the second hole and the main shaft 100 is equal to the distance between the second end (336 b) of the second hole and the main shaft 100, the distance between the first end (336 a) of the second hole and the supporting plane (S) is smaller than the distance between the second end (336 b) of the second hole and the supporting plane (S), and the first end (336 a) of the second hole is communicated with the fourth sliding groove (335).
  8. 8. The rotating mechanism according to any one of claims 1 to 7, wherein, The second end (220 b) of the first connecting rod is in sliding connection with the first fixing frame (230) through a first guide groove (224), and the first fixing frame comprises a first shaft (410) and a first guide groove (224), wherein the second end (220 b) of the first connecting rod comprises the first guide groove (224), the first fixing frame (230) is connected with the first shaft (410), or the first fixing frame (230) comprises the first guide groove (224), and the second end (220 b) of the first connecting rod is connected with the first shaft (410); The second end (320 b) of the second connecting rod is slidably connected with the second fixing frame (330) through a second guide groove (324), the second end (320 b) of the second connecting rod is slidably connected with the second fixing frame (330) through a second shaft (510) and the second guide groove (324), the second end (320 b) of the second connecting rod comprises the second guide groove (324), the second fixing frame (330) is connected with the second shaft (510), or the second fixing frame (330) comprises the second guide groove (324), and the second end (320 b) of the second connecting rod is connected with the second shaft (510).
  9. 9. The rotating mechanism according to claim 8, wherein, -In the first direction (X), a distance between the first end (224 a) of the first guiding groove and the first end (220 a) of the first connecting rod being greater than a distance between the second end (224 b) of the first guiding groove and the first end (220 a) of the first connecting rod, -in a direction perpendicular to the support plane (S), a distance between the first end (224 a) of the first guiding groove and the support plane (S) being greater than a distance between the second end (224 b) of the first guiding groove and the support plane (S); In the first direction (X), a distance between the first end (324 a) of the second guide groove and the first end (320 a) of the second link is greater than a distance between the second end (324 b) of the second guide groove and the first end (320 a) of the second link, and in a direction perpendicular to the support plane (S), a distance between the first end (324 a) of the second guide groove and the support plane (S) is greater than a distance between the second end (324 b) of the second guide groove and the support plane (S).
  10. 10. The rotating mechanism according to claim 9, wherein the second end (220 b) of the first link comprises a first guiding groove (224), the first fixing bracket (230) is connected to the first shaft (410), the second end (320 b) of the second link comprises a second guiding groove (324), and the second fixing bracket (330) is connected to the second shaft (510), if: During the transition of the rotating mechanism from the unfolding state to the folding state, the first shaft (410) moves relative to the first guide groove (224) along the direction that the first end (224 a) of the first guide groove points to the second end (224 b) of the first guide groove, and the second shaft (510) moves relative to the second guide groove (324) along the direction that the first end (324 a) of the second guide groove points to the second end (324 b) of the second guide groove; During the process of converting the rotating mechanism from the folding state to the unfolding state, the first shaft (410) moves relative to the first guide groove (224) along the direction that the second end (224 b) of the first guide groove points to the first end (224 a) of the first guide groove, and the second shaft (510) moves relative to the second guide groove (324) along the direction that the second end (324 b) of the second guide groove points to the first end (324 a) of the second guide groove.
  11. 11. The rotating mechanism according to any one of claims 1 to 10, wherein, The first end (220 a) of the first link is slidable relative to the first rotating member (210) along the extending direction of the first axis (L1), and the first end (320 a) of the second link is slidable relative to the second rotating member (310) along the extending direction of the second axis (L2).
  12. 12. The rotating mechanism according to any one of claims 1 to 11, wherein, The first end (220 a) of the first connecting rod comprises a first connecting part (227 a) and a second connecting part (227 b) which are arranged at intervals, the first rotating member (210) comprises a first matching part (219 a), a second matching part (219 b) and a third matching part (219 c) which are arranged at intervals, the first end (320 a) of the second connecting rod comprises a third connecting part (327 a) and a fourth connecting part (327 b) which are arranged at intervals, and the second rotating member (310) comprises a fourth matching part (319 a), a fifth matching part (319 b) and a sixth matching part (319 c) which are arranged at intervals; When the rotating mechanism is in a unfolding state, in the second direction (Y), a third shaft (420) sequentially penetrates through the first matching part (219 a), the first connecting part (227 a), the second matching part (219 b), the second connecting part (227 b) and the third matching part (219 c), a first end (250 a) of the first swing arm and the first rotating piece (210) are rotationally connected through the third shaft (420), in the second direction (Y), a fourth shaft (520) sequentially penetrates through the fourth matching part (319 a), the third connecting part (327 a), the fifth matching part (319 b), the fourth connecting part (327 b) and the sixth matching part (319 c), and a first end (350 a) of the second swing arm and the second rotating piece (310) are rotationally connected through the fourth shaft (520).
  13. 13. The rotating mechanism according to claim 12, wherein, The rotation mechanism is in an unfolded state, wherein in the second direction (Y), the distance between the first end (420 a) of the third shaft and the main shaft (100) is smaller than the distance between the second end (420 b) of the third shaft and the main shaft (100), and the distance between the first end (520 a) of the fourth shaft and the main shaft (100) is smaller than the distance between the second end (520 b) of the fourth shaft and the main shaft (100); During the transition of the rotating mechanism from the unfolding state to the folding state, the first end (220 a) of the first connecting rod moves relative to the first rotating member (210) along the direction that the first end (420 a) of the third shaft points to the second end (420 b) of the third shaft, and the first end (320 a) of the second connecting rod moves relative to the second rotating member (310) along the direction that the first end (520 a) of the fourth shaft points to the second end (520 b) of the fourth shaft; In the process of converting the rotating mechanism from the folding state to the unfolding state, the first end (220 a) of the first connecting rod moves relative to the first rotating member (210) along the direction that the second end (420 b) of the third shaft points to the first end (420 a) of the third shaft, and the first end (320 a) of the second connecting rod moves relative to the second rotating member (310) along the direction that the second end (520 b) of the fourth shaft points to the first end (520 a) of the fourth shaft.
  14. 14. The rotating mechanism according to any one of claims 11 to 13, wherein, The first rotating member (210) comprises a first spiral surface (218), the first end (220 a) of the first connecting rod comprises a second spiral surface (228) matched with the first spiral surface (218), and the rotation directions of the first spiral surface (218) and the second spiral surface (228) are the same; the second rotating member (310) comprises a third helicoidal surface (318), the first end (320 a) of the second connecting rod comprises a fourth helicoidal surface (328) matched with the third helicoidal surface (318), the rotation directions of the third helicoidal surface (318) and the fourth helicoidal surface (328) are the same, and the rotation directions of the third helicoidal surface (318) and the first helicoidal surface (218) are opposite.
  15. 15. The rotating mechanism according to any one of claims 1 to 14, wherein a first end (220 a) of the first link is slidable relative to the first mount (230) along an extending direction of the first chute (231), the first end (220 a) of the first link being rotatable relative to the spindle (100); The first end (320 a) of the second connecting rod can slide relative to the second fixing frame (330) along the extending direction of the second sliding groove (331), and the first end (320 a) of the second connecting rod can rotate relative to the main shaft (100).
  16. 16. The rotating mechanism according to any one of claims 2-15, wherein the first end (220 a) of the first link and the first rotating member (210) are rotationally coupled via a third shaft (420), and the first end (320 a) of the second link and the second rotating member (310) are rotationally coupled via a fourth shaft (520); When the rotating mechanism is in an unfolding state, in the thickness direction of the first rotating shaft assembly (200), the distance between the first shaft (410) and the supporting plane (S) is larger than the distance between the third shaft (420) and the supporting plane (S), the distance between the first shaft (410) and the third shaft (420) is a first distance (D1), in the thickness direction of the second rotating shaft assembly (300), the distance between the second shaft (510) and the supporting plane (S) is larger than the distance between the fourth shaft (520) and the supporting plane (S), and the distance between the second shaft (510) and the fourth shaft (520) is a second distance (D2); During the transition of the rotating mechanism from the unfolded state to the folded state, the distance between the first shaft (410) and the third shaft (420) is smaller than the first distance (D1) in the thickness direction of the first rotating shaft assembly (200), and the distance between the second shaft (510) and the fourth shaft (520) is smaller than the second distance (D2) in the thickness direction of the second rotating shaft assembly (300); When the rotating mechanism is in a folded state, a distance between the first shaft (410) and the third shaft (420) is smaller than the first distance (D1) in a thickness direction of the first rotating shaft assembly (200), and a distance between the second shaft (510) and the fourth shaft (520) is smaller than the second distance (D2) in a thickness direction of the second rotating shaft assembly (300).
  17. 17. The rotating mechanism according to any one of claims 1 to 16, wherein, The second end (210 b) of the first rotating member is slidably connected with the first fixing frame (230), and the second end (210 b) of the first rotating member and the first fixing frame (230) are slidably connected through a first sliding block (212) and a first sliding groove (231), wherein the second end (210 b) of the first rotating member comprises the first sliding block (212), the first fixing frame (230) comprises the first sliding groove (231), or the first fixing frame (230) comprises the first sliding block (212), and the second end (210 b) of the first rotating member comprises the first sliding groove (231); The second end (310 b) of the second rotating member is slidably connected with the second fixing frame (330), and the second end (310 b) of the second rotating member and the second fixing frame (330) are slidably connected through a second sliding block (312) and a second sliding groove (331), wherein the second end (310 b) of the second rotating member comprises the second sliding block (312), the second fixing frame (330) comprises the second sliding groove (331), or the second fixing frame (330) comprises the second sliding block (312), and the second end (310 b) of the second rotating member comprises the second sliding groove (331).
  18. 18. The rotary mechanism of claim 17, wherein the rotary mechanism is in a deployed state: In the second direction (Y), the distance between the first end (231 a) of the first runner and the main shaft (100) is smaller than the distance between the second end (231 b) of the first runner and the main shaft (100), and in the direction perpendicular to the support plane (S), the distance between the first end (231 a) of the first runner and the support plane (S) is greater than the distance between the second end (231 b) of the first runner and the support plane (S); In the second direction (Y), a distance between the first end (331 a) of the second chute and the main shaft (100) is smaller than a distance between the second end (331 b) of the second chute and the main shaft (100), and in a direction perpendicular to the support plane (S), a distance between the first end (331 a) of the second chute and the support plane (S) is larger than a distance between the second end (231 b) of the first chute and the support plane (S).
  19. 19. The rotating mechanism according to claim 18, wherein, During the process of converting the rotating mechanism from the unfolding state to the folding state, the first sliding block (212) moves relative to the first sliding groove (231) along the direction that the second end (231 b) of the first sliding groove points to the first end (231 a) of the first sliding groove, and the second sliding block (312) moves relative to the second sliding groove (331) along the direction that the second end (331 b) of the second sliding groove points to the first end (331 a) of the second sliding groove; In the process of converting the rotating mechanism from the folding state to the unfolding state, the first sliding block (212) moves relative to the first sliding groove (231) along the direction that the first end (231 a) of the first sliding groove points to the second end (231 b) of the first sliding groove, and the second sliding block (312) moves relative to the second sliding groove (331) along the direction that the first end (331 a) of the second sliding groove points to the second end (331 b) of the second sliding groove.
  20. 20. The rotating mechanism according to any one of claims 1-19, wherein the first rotating shaft assembly (200) further comprises a first support plate (240) and a second support plate (340), the first support plate (240) being slidably connected to the first rotating member (210), the first support plate (240) being further rotatably connected to the first stationary frame (230), the second support plate (340) being slidably connected to the second rotating member (310), the second support plate (340) being further rotatably connected to the second stationary frame (330); When the rotating mechanism is in an unfolding state, the first rotating shaft assembly (200), the main shaft (100) and the second rotating shaft assembly (300) jointly form a supporting plane (S), and the rotating mechanism comprises a first supporting plate (240), a first fixing frame (230), the main shaft (100), a second supporting plate (340) and a second fixing frame (330) jointly form the supporting plane (S); when the rotating mechanism is in a folded state, the minimum distance between the supporting surface of the first supporting plate (240) and the supporting surface of the second supporting plate (340) along the second direction (Y) is greater than or equal to the distance between the supporting surface of the first fixing frame (230) and the supporting surface of the second fixing frame (330) along the second direction (Y).

Description

Rotating mechanism and folding electronic equipment Technical Field The embodiment of the application relates to the technical field of foldable electronic products, in particular to a rotating mechanism and foldable electronic equipment. Background Along with the continuous development of display technology, a folding display terminal gradually becomes a development trend of future mobile electronic products. Under the unfolding state of the folding electronic equipment, a larger display area can be obtained, and the film watching effect is improved. The folding electronic equipment can obtain smaller volume in the folding state, and is convenient for users to carry. The folding electronic equipment at least comprises a flexible screen and a shell device, wherein the shell device comprises two structural members for bearing the flexible screen and a rotating mechanism. The two structural members are connected to two sides of the rotating mechanism. In the actual use process, the rotating mechanism drives the two structural members to rotate so as to enable the folding electronic equipment to be folded or unfolded. In the conventional in-screen folding electronic apparatus, when the electronic apparatus is folded, the flexible screen is folded at the inner side of the case device, and the bent portion of the flexible screen is easily damaged due to excessive extrusion by the case device, resulting in poor reliability of the flexible screen. Disclosure of Invention The embodiment of the application provides a rotating mechanism and folding electronic equipment, which are used for solving the problem of poor reliability of a flexible screen. In order to achieve the above object, the embodiments of the present application provide the following solutions: In one aspect, a rotating mechanism is provided that includes a main shaft, a first shaft assembly and a second shaft assembly. A spindle extending in a first direction. The first rotating shaft assembly comprises a first rotating piece, a first connecting rod, a first fixing frame and a first swing arm. The first end of the first rotating piece is rotationally connected with the main shaft, the second end of the first rotating piece is in sliding connection with the first fixing frame through a first sliding groove, the second end of the first rotating piece can slide relative to the first fixing frame along the extending direction of the first sliding groove, the first end of the first connecting rod is rotationally connected with the first rotating piece, the second end of the first connecting rod is in sliding connection with the first fixing frame through a first guide groove, the second end of the first connecting rod can slide relative to the first fixing frame along the extending direction of the first guide groove, the first end of the first swing arm is rotationally connected with the main shaft, the second end of the first swing arm is in sliding connection with the first fixing frame through a third sliding groove, and the second end of the first swing arm can slide relative to the first fixing frame along the extending direction of the third sliding groove. The second rotating shaft assembly comprises a second rotating piece, a second connecting rod, a second fixing frame and a second swing arm. The first end of the second rotating piece is rotationally connected with the main shaft, the second end of the second rotating piece is in sliding connection with the second fixing frame through a second sliding groove, the second end of the second rotating piece can slide relative to the second fixing frame along the extending direction of the second sliding groove, the first end of the second connecting rod is rotationally connected with the second rotating piece, the second end of the second connecting rod is in sliding connection with the second fixing frame through a second guide groove, the second end of the second connecting rod can slide relative to the second fixing frame along the extending direction of the second guide groove, the first end of the second swing arm is rotationally connected with the main shaft, the second end of the second swing arm is in sliding connection with the second fixing frame through a fourth sliding groove, and the second end of the second swing arm can slide relative to the second fixing frame along the extending direction of the fourth sliding groove; When the rotating mechanism is in an unfolding state, the first rotating shaft assembly and the second rotating shaft assembly are distributed along a second direction, the first rotating shaft assembly, the main shaft and the second rotating shaft assembly form a supporting plane together, the extending direction of the first sliding chute and the extending direction of the second sliding chute are intersected with the supporting plane, the extending direction of the first guiding groove and the extending direction of the second guiding groove are intersected with the