Search

CN-122014738-A - Rotating mechanism and folding electronic equipment

CN122014738ACN 122014738 ACN122014738 ACN 122014738ACN-122014738-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. The rotating mechanism comprises a main shaft, a first rotating shaft component and a second rotating shaft component. In the first rotating shaft assembly, the first end of the first rotating member is rotationally connected with the main shaft, the second end of the first rotating member is slidingly connected with the first fixed frame along the sliding direction of the first sliding groove, the first end of the first swinging rod is rotationally connected with the first rotating member, and the second end of the first swinging rod is slidingly connected with the first fixed frame along the extending direction of the first guiding groove. In the second rotating shaft assembly, the first end of the second rotating member is rotationally connected with the main shaft, the second end of the second rotating member is slidingly connected with the second fixing frame along the extending direction of the second sliding groove, the first end of the second swinging rod is rotationally connected with the second rotating member, and the second end of the second swinging rod is slidingly connected with the second fixing frame along the extending direction of the second guiding groove. The extending direction of the first guide groove and the extending direction of the second guide groove are perpendicular to the second direction.

Inventors

  • WU WEIFENG
  • ZHONG DING
  • HU YUEHUA
  • YAN ZHIGUO
  • LIN HUI
  • ZHAN QIANG

Assignees

  • 华为技术有限公司

Dates

Publication Date
20260512
Application Date
20250117

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 member (210), a first swinging rod (220) and a first fixing frame (230), wherein a first end (210 a) of the first rotating member is rotationally connected with the main shaft (100), a second end (210 b) of the first rotating member is slidably connected with the first fixing frame (230) through a first sliding groove (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 sliding groove (231), a first end (220 a) of the first swinging rod is rotationally connected with the first rotating member (210), a first axis (L1) is arranged relative to the rotating axis of the first rotating member (210), a second end (220 b) of the first swinging rod is slidably connected with the first fixing frame (230) through a first guide groove (224), and the second end (220 b) of the first swinging rod can slide relative to the first fixing frame (230) along the extending direction of the first guide groove (224); The second rotating shaft assembly (300) comprises a second rotating piece (310), a second swinging rod (320) and a second fixing frame (330), wherein a first end (310 a) of the second rotating piece is rotationally connected with the main shaft (100), a second end (310 b) of the second rotating piece is slidably connected with the second fixing frame (330) through a second sliding groove (331), a second end (310 b) of the second rotating piece can slide relative to the second fixing frame (330) along the extending direction of the second sliding groove (331), a first end (320 a) of the second swinging rod is rotationally connected with the second rotating piece (310), a second axis (L2) of the second swinging rod (320) relative to the rotating axis of the second rotating piece (310), and a second end (320 b) of the second swinging rod is slidably connected with the second fixing frame (330) through a second guide groove (324), and the second end (320 b) of the second swinging rod can slide relative to the second fixing frame (330) along the extending direction of the second guide groove (324); When the rotating mechanism is in an unfolding state, the second end (210 b) of the first rotating member, the first end (210 a) of the first rotating member, the first end (310 a) of the second rotating member and the second end (310 b) of the second rotating member are sequentially 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 direction perpendicular to the supporting plane (S), the extending direction of the first guiding groove (224) and the extending direction of the second guiding groove (324) are intersected with the supporting plane (S), the extending direction of the first guiding groove (224) and the extending direction of the second guiding groove (331) are intersected with the second guiding groove (324) in the direction perpendicular to the supporting plane (S), the second sliding groove (331) is also intersected with the direction perpendicular to the supporting plane (S) in the perpendicular projection plane (S) on the first front projection plane (1), 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 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 groove (331) on the supporting plane (S), and the orthographic projection of the second axis (L2) on the supporting plane (S) is also intersected with the orthographic projection of the first direction (X) 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.
  2. 2. The rotating mechanism according to claim 1, wherein the second end (220 b) of the first swing link is slidably connected to the first fixing frame (230) through a first guide groove (224), comprising that the second end (220 b) of the first swing link and the first fixing frame (230) are slidably connected through a first shaft (410) and the first guide groove (224), that the second end (220 b) of the first swing link comprises the first guide groove (224), that the first fixing frame (230) is connected to the first shaft (410), or that the first fixing frame (230) comprises the first guide groove (224), that the second end (220 b) of the first swing link is connected to the first shaft (410), that the extending direction of the first shaft (410) is parallel to the first axis (L1); The second end (320 b) of the second swing rod is in sliding connection with the second fixing frame (330) through a second guide groove (324), the second swing rod comprises a second shaft (510) and a second guide groove (324), the second end (320 b) of the second swing rod comprises a second guide groove (324), the second fixing frame (330) is connected with the second shaft (510), or the second fixing frame (330) comprises a second guide groove (324), the second end (320 b) of the second swing rod is connected with the second shaft (510), and the extending direction of the second shaft (510) is parallel to the second axis (L2).
  3. 3. The rotating mechanism according to claim 2, wherein, When the rotating mechanism is in a unfolded state, the first axis (L1) and the second axis (L2) are parallel to the supporting plane (S), and the first shaft (410) and the second shaft (510) are parallel to the supporting plane (S).
  4. 4. A rotary mechanism according to claim 2 or 3, wherein, The first axis (L1) and the second axis (L2) are both perpendicular to the first direction (X), and the first axis (410) and the second axis (510) are both perpendicular to the first direction (X).
  5. 5. The rotary mechanism of any one of claims 2-4, wherein the rotary mechanism is in a deployed state: In the first direction (X), a distance between the first end (224 a) of the first guide groove and the first end (220 a) of the first swing rod is greater than a distance between the second end (224 b) of the first guide groove and the first end (220 a) of the first swing rod, and in a direction perpendicular to the support plane (S), a distance between the first end (224 a) of the first guide groove and the support plane (S) is greater than a distance between the second end (224 b) of the first guide 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 swing rod 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 swing rod, 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).
  6. 6. The rotating mechanism according to claim 5, wherein the second end (220 b) of the first swing link comprises a first guiding groove (224), the first fixing frame (230) is connected with the first shaft (410), the second end (320 b) of the second swing link comprises a second guiding groove (324), and the second fixing frame (330) is connected with the second shaft (510), wherein: 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.
  7. 7. The rotating mechanism according to claim 5 or 6, wherein the rotating mechanism is in a folded state: the first end (224 a) of the first guide slot pointing in the direction of the second end (224 b) of the first guide slot, parallel to a first direction (X); the first end (324 a) of the second guide slot is directed in a direction of the second end (324 b) of the second guide slot, parallel to the first direction (X).
  8. 8. The rotary mechanism of any one of claims 2-7, wherein the rotary mechanism is in a deployed state: In the second direction (Y), a distance between a third end (224 c) of the first guide groove and the main shaft (100) is greater than a distance between a fourth end (224 d) of the first guide groove and the main shaft (100), the third end (224 c) of the first guide groove being equal in size to the fourth end (224 d) of the first guide groove; In the second direction (Y), a distance between the third end (324 c) of the second guide groove and the main shaft (100) is greater than a distance between the fourth end (324 d) of the second guide groove and the main shaft (100), and a size of the third end (324 c) of the second guide groove is equal to a size of the fourth end (324 d) of the second guide groove.
  9. 9. The rotating mechanism according to any one of claims 1-8, wherein the first end (220 a) of the first swing 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 swing link is slidable relative to the second rotating member (310) along the extending direction of the second axis (L2).
  10. 10. The rotating mechanism according to claim 9, wherein, During the process of converting the unfolding state to the folding state, the rotating mechanism moves along the direction parallel to the first axis (L1) and pointing to the first fixing frame (230) by the main shaft (100) relative to the first rotating member (210), and the first end (320 a) of the second swinging member moves along the direction parallel to the second axis (L2) and pointing to the second fixing frame (330) by the main shaft (100) relative to the second rotating member (310); in the process of converting the folding state into the unfolding state, the first end (220 a) of the first swing rod moves along the direction parallel to the first axis (L1) and pointed to the main shaft (100) by the first fixing frame (230) relative to the first rotating piece (210), and the first end (320 a) of the second swing rod moves along the direction parallel to the second axis (L2) and pointed to the main shaft (100) by the second fixing frame (330) relative to the second rotating piece (310).
  11. 11. The rotating mechanism according to any one of claims 1 to 10, wherein, The first end (220 a) of the first swing rod is rotationally connected with the first rotating member (210), and comprises a first end (220 a) of the first swing rod and the first rotating member (210) which are rotationally connected through a third shaft (420) and a first matching hole (225), wherein the first end (220 a) of the first swing rod comprises the first matching hole (225), the third shaft (420) is connected with the first rotating member (210), or the first rotating member (210) comprises the first matching hole (225), the third shaft (420) is connected with the first end (220 a) of the first swing rod, and the first end (220 a) of the first swing rod slides relative to the first rotating member (210) through the third shaft (420) and the first matching hole (225); The first end (320 a) of the second swing rod is rotationally connected with the second rotating member (310), and the second swing rod comprises a first end (320 a) of the second swing rod and the second rotating member (310) which are rotationally connected through a fourth shaft (520) and a second matching hole (325), wherein the first end (350 a) of the second swing rod comprises the second matching hole (325), the fourth shaft (520) is connected with the second rotating member (310), or the second rotating member (310) comprises the second matching hole (325), the fourth shaft (520) is connected with the first end (350 a) of the second swing rod, and the first end (350 a) of the second swing rod slides relative to the second rotating member (310) through the fourth shaft (520) and the second matching hole (325).
  12. 12. The rotating mechanism according to claim 11, wherein the first end (220 a) of the first swing link includes the first mating hole (225), the third shaft (420) is connected to the first rotating member (210), the first end (350 a) of the second swing link includes the second mating hole (325), and the fourth shaft (520) is connected to the second rotating member (310) with: 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 process of converting the unfolding state to the folding state, the first end (220 a) of the first swing rod moves relative to the first rotating piece (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 swing rod moves relative to the second rotating piece (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 swing 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 swing 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.
  13. 13. A rotary mechanism according to claim 11 or 12, wherein, The first rotating piece (210) comprises a first spiral surface (218), a first end (220 a) of the first swing 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 spiral surface (318), the first end (320 a) of the second swing rod comprises a fourth spiral surface (328) matched with the third spiral surface (318), the rotation directions of the third spiral surface (318) and the fourth spiral surface (328) are the same, and the rotation directions of the third spiral surface (318) and the first spiral surface (218) are opposite.
  14. 14. The rotating mechanism according to claim 13, wherein, The distance between the first helicoidal surface (218) and the second helicoidal surface (228) is unchanged during the transition of the rotating mechanism between the folded state and the unfolded state, and the distance between the third helicoidal surface (318) and the fourth helicoidal surface (328) is unchanged.
  15. 15. The rotating mechanism according to any one of claims 1 to 14, wherein a first end (220 a) of the first swing link is slidable relative to the first fixing frame (230) along an extending direction of the first chute (231), and the first end (220 a) of the first swing link is rotatable relative to the main shaft (100); The first end (320 a) of the second swing 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 swing 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 swing link and the first rotating member (210) are rotationally connected by a third shaft (420), and the first end (320 a) of the second swing link and the second rotating member (310) are rotationally connected by 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 claim 16, wherein when the rotating mechanism is in a folded state, The first axis (410) and the third axis (420) at least partially overlap in the first direction (X), and the second axis (510) and the fourth axis (520) at least partially overlap in the first direction (X).
  18. 18. The rotating mechanism according to any one of claims 1 to 17, 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).
  19. 19. The rotary mechanism of claim 18, wherein the rotary mechanism is in the 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).
  20. 20. The rotating mechanism according to claim 19, wherein during the transition of the rotating mechanism from the unfolded state to the folded state, the first slider (212) moves relative to the first chute (231) in a direction in which the second end (231 b) of the first chute points to the first end (231 a) of the first chute, and the second slider (312) moves relative to the second chute (331) in a direction in which the second end (331 b) of the second chute points to the first end (331 a) of the second chute; 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.

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. The spindle extends in a first direction. The first rotating shaft assembly comprises a first rotating member, a first swinging rod and a first fixing frame, wherein the first end of the first rotating member is rotationally connected with the main shaft, the second end of the first rotating member is slidably connected with the first fixing frame through a first sliding groove, the second end of the first rotating member can slide relative to the first fixing frame along the extending direction of the first sliding groove, the first end of the first swinging rod is rotationally connected with the first rotating member, the rotating axis of the first swinging rod relative to the first rotating member is a first axis, the second end of the first swinging rod is slidably connected with the first fixing frame through a first guide groove, and the second end of the first swinging rod can slide relative to the first fixing frame along the extending direction of the first guide groove. The second rotating shaft assembly comprises a second rotating piece, a second swinging rod and a second fixing frame, wherein the first end of the second rotating piece is rotationally connected with the main shaft, the second end of the second rotating piece is slidably connected 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 swinging rod is rotationally connected with the second rotating piece, the rotating axis of the second swinging rod relative to the second rotating piece is a second axis, the second end of the second swinging rod is slidably connected with the second fixing frame through a second guide groove, and the second end of the second swinging rod can slide relative to the second fixing frame along the extending direction of the second guide groove. When the rotating mechanism is in an unfolding state, the second end of the first rotating member, the first end of the second rotating member and the second end of the second rotating member are sequentially arranged along the second direction, the first rotating shaft assembly, the main shaft and the second rotating shaft assembly jointly form a supporting plane, the extending direction of the first sliding chute and the extending direction of the second sliding chute are intersected with the direction vertical to the supporting plane, the extending direction of the first guiding groove and the extending direction of the second guiding groove are intersected with the supporting plane, and the extending direction of the first guiding groove and the extending direction of the second guiding groove are all vertical to the second direction. The front projection of the first axis on the supporting plane is intersected with the front projection of the extending direction of the first sliding groove on the supporting plane, the front projection of the first axis on the supporting plane is intersected with the fron