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CN-120751045-B - Foldable mechanism and foldable terminal

CN120751045BCN 120751045 BCN120751045 BCN 120751045BCN-120751045-B

Abstract

The application provides a foldable mechanism and a foldable terminal. In the folding mechanism, the elastic stop piece is arranged on the base, the first clamping part and the second clamping part of the elastic stop piece are respectively arranged on two opposite sides of the elastic stop piece, the first rotating part of the first swing arm is rotationally connected with the base and is positioned on one side of the elastic stop piece, which is close to the first clamping part, the third clamping part of the first rotating part is arranged on the peripheral surface of the first rotating part, the second swing arm comprises a second rotating part, the second rotating part is rotationally connected with the base and is positioned on one side of the elastic stop piece, which is close to the second clamping part, the second rotating part is provided with a fourth clamping part, and the fourth clamping part is arranged on the peripheral surface of the second rotating part. When the foldable mechanism is in a flattened state, the first swing arm and the second swing arm are flattened relatively, the first clamping part and the third clamping part are clamped with each other, and the second clamping part and the fourth clamping part are clamped with each other, so that the flattening holding force of the foldable mechanism is ensured.

Inventors

  • WANG LIYANG
  • YANG YANJIANG
  • WANG BIAO

Assignees

  • 荣耀终端股份有限公司

Dates

Publication Date
20260508
Application Date
20240813

Claims (14)

  1. 1. The foldable mechanism is characterized by comprising a base, an elastic stop piece, a first swing arm and a second swing arm, wherein the elastic stop piece is arranged on the base, the elastic stop piece is provided with a first clamping part and a second clamping part, the first clamping part and the second clamping part are respectively arranged on two opposite sides of the elastic stop piece, the first swing arm comprises a first rotating part, the first rotating part is rotationally connected with the base and is positioned on one side, close to the first clamping part, of the elastic stop piece, the first rotating part is provided with a third clamping part and a fifth clamping part, the third clamping part is arranged on the peripheral surface of the first rotating part, the fifth clamping part is arranged on the peripheral surface of the first rotating part, the second swing arm comprises a second rotating part, the second rotating part is rotationally connected with the base and is positioned on one side, close to the second clamping part, the second rotating part is provided with a fourth clamping part, and the fourth clamping part is arranged on the peripheral surface of the second rotating part; When the foldable mechanism is in a flattened state, the first clamping part and the third clamping part are mutually clamped, and the second clamping part and the fourth clamping part are mutually clamped; When the foldable mechanism is in a hovering state, the first clamping part and the third clamping part are arranged at intervals and mutually clamped with the fifth clamping part, wherein when the foldable mechanism is in the hovering state, the unfolding angle of the foldable mechanism is larger than or equal to 0 degree and smaller than 180 degrees, or the unfolding angle of the foldable mechanism is larger than 180 degrees and smaller than or equal to 360 degrees.
  2. 2. The folding mechanism of claim 1, wherein the fifth catch has a plurality of circumferentially spaced around the first rotating portion; When the foldable mechanism is in the hovering state, the first clamping part and one fifth clamping part are mutually clamped.
  3. 3. The foldable mechanism according to claim 1 or 2, wherein the first retaining portion is a protruding pin provided on a surface of the elastic stopper facing the first rotating portion, and the third retaining portion is a groove, an opening of which is located on a peripheral surface of the first rotating portion; Or the first clamping part is a groove, an opening of the groove is positioned on the surface of the elastic stop piece, which faces the first rotating part, the third clamping part is a protruding pin, and the protruding pin is arranged on the peripheral surface of the first rotating part; when the foldable mechanism is in a flattened state, the protruding pin and the groove are mutually clamped.
  4. 4. A folding mechanism according to claim 3, wherein the recess includes a first recess bottom wall surface and two first recess side wall surfaces, the two first recess side wall surfaces being located on opposite sides of the first recess bottom wall surface, respectively, and being connected to the first recess bottom wall surface, the distance between the two first recess side wall surfaces increasing gradually in a direction in which the first recess bottom wall surface faces the opening of the recess.
  5. 5. The folding mechanism according to claim 3 or 4, wherein the protruding pin comprises a first top surface, two first side surfaces and two first mating surfaces, the first top surface is a surface of the protruding pin facing the groove, the two first side surfaces are respectively located on two opposite sides of the first side surfaces and are opposite to each other, each first mating surface is connected between the first top surface and one first side surface, and a distance between the two first mating surfaces gradually increases along a direction from the first top surface to the first side surfaces.
  6. 6. The folding mechanism of any one of claims 1 to 5, wherein the elastic stopper includes a first leaf spring including a first leaf spring portion mounted to the base and a second leaf spring portion mounted to a side of the first leaf spring portion facing away from the second rotating portion, the first catch being provided on a surface of the second leaf spring portion facing away from the first leaf spring portion.
  7. 7. The folding mechanism according to claim 6, wherein the base is provided with a first mounting groove, the first leaf spring is mounted in the first mounting groove, the first leaf spring includes two first fixing portions and a first elastic portion, the two first fixing portions are spaced apart and arranged opposite to each other along a length direction of the base and each abut against a groove wall surface of the first mounting groove, the first elastic portion is located on the same side of the two first fixing portions and is fixedly connected between the two first fixing portions, and the second leaf spring is disposed on a surface of the first elastic portion facing the first fixing portions.
  8. 8. The foldable mechanism of any one of claims 1 to 7, further comprising a cover plate mounted to the base and covering at least a portion of the resilient stop.
  9. 9. The folding mechanism of claim 8, wherein the cover plate is provided with a first avoidance gap and a second avoidance gap, the first avoidance gap and the second avoidance gap both penetrate through the cover plate in a thickness direction of the cover plate, the first avoidance gap is avoided in the first swing arm, and the second avoidance gap is avoided in the second swing arm.
  10. 10. The foldable mechanism of any one of claims 1 to 9, further comprising a first mount, a second mount, a first platen, and a second platen, the first mount being slidably coupled to the first swing arm, the second mount being slidably coupled to the second swing arm, the first platen being rotatably coupled to the first mount, the second platen being rotatably coupled to the second mount; When the foldable mechanism is in the flattening state, the first swing arm and the second swing arm are flattened relatively, the first fixing frame and the second fixing frame are located on two opposite sides of the base respectively, the first pressing plate and the second pressing plate are located on two opposite sides of the base respectively, the top surface of the first fixing frame is flush with the top surface of the first pressing plate, and the top surface of the second fixing frame is flush with the top surface of the second pressing plate.
  11. 11. The folding mechanism of claim 10, wherein when the folding mechanism is in an inward folded state, the first swing arm and the second swing arm are folded relatively, the first fixing frame, the second fixing frame, the first pressing plate and the second pressing plate are located on the same side of the base, and the first fixing frame, the first pressing plate, the base, the second fixing frame and the second pressing plate enclose an avoidance space, and a cross section of the avoidance space is in a water drop shape.
  12. 12. The foldable mechanism of claim 10 or 11, wherein the first swing arm and the second swing arm are folded back to back when the foldable mechanism is in the folded-out state, the first mount, the second mount, the first platen, and the second platen are on a same side of the base, and the top surface of the base, the top surface of the first mount, the top surface of the first platen, the top surface of the second mount, and the top surface of the second platen are flush.
  13. 13. A foldable terminal comprising a first housing, a second housing and a foldable mechanism as claimed in any one of claims 1 to 12, the foldable mechanism being connected between the first housing and the second housing.
  14. 14. The foldable terminal of claim 13, further comprising a display module including a first display portion mounted to the first housing, a second display portion mounted to the second housing, and a foldable portion connected between the first display portion and the second display portion and disposed opposite the foldable mechanism.

Description

Foldable mechanism and foldable terminal Technical Field The present application relates to the technical field of foldable terminals, and in particular, to a foldable mechanism and a foldable terminal. Background With the progress of science and technology, the large-screen intelligent terminal comes, and the foldable terminal is favored by users because of the advantages of large screen, convenience in carrying and the like. Currently, foldable terminals often employ a foldable mechanism to effect folding and unfolding. However, when the foldable mechanism is in a flattened state, the flattening holding force of the foldable mechanism is poor, effective support to the display module cannot be achieved, the problem that the display module is sunken can occur, and the use reliability of the foldable terminal is reduced. Disclosure of Invention The application provides a foldable mechanism and a foldable terminal, which are used for improving the flattening holding force of the foldable mechanism, realizing effective support of a display module, avoiding the problem that the display module is sunken, and ensuring the use reliability of the foldable terminal. In a first aspect, the present application provides a foldable mechanism, including a base, an elastic stop member, a first swing arm and a second swing arm, where the elastic stop member is mounted on the base, the elastic stop member is provided with a first clamping portion and a second clamping portion, the first clamping portion and the second clamping portion are respectively disposed on opposite sides of the elastic stop member, the first swing arm includes a first rotating portion, the first rotating portion is rotationally connected to the base and is disposed on a side of the elastic stop member, which is close to the first clamping portion, the first rotating portion is provided with a third clamping portion, the third clamping portion is disposed on a circumferential surface of the first rotating portion, the second swing arm includes a second rotating portion, which is rotationally connected to the base and is disposed on a side of the elastic stop member, which is close to the second clamping portion, the second rotating portion is provided with a fourth clamping portion, and the fourth clamping portion is disposed on a circumferential surface of the second rotating portion; When the foldable mechanism is in a flattened state, the first swing arm and the second swing arm are flattened relatively, the first clamping part and the third clamping part are mutually clamped, and the second clamping part and the fourth clamping part are mutually clamped so as to limit the rotation of the first swing arm and the second swing arm relative to the base, so that flattening stopping effect of the foldable mechanism is realized. The elastic stop piece, the first swing arm and the second swing arm can improve the flattening holding force of the foldable mechanism, the foldable mechanism can effectively support the display module in the foldable terminal, the problem that the display module is sunken is avoided, and the use reliability of the foldable terminal is guaranteed. In one embodiment, the first rotating portion is further provided with a fifth clamping portion, and the fifth clamping portion is provided on the peripheral surface of the first rotating portion; When the foldable mechanism is in a hovering state, the first clamping part and the third clamping part are arranged at intervals and are mutually clamped with the fifth clamping part. Wherein, when the foldable mechanism is in the hovering state, the unfolding angle of the foldable mechanism is greater than or equal to 0 degrees and less than 180 degrees, or the unfolding angle of the foldable mechanism is greater than 180 degrees and less than or equal to 360 degrees. The design of the fifth clamping part not only can provide the torsion of the foldable mechanism and improve the using hand feeling of the foldable terminal, but also can be respectively matched with the first clamping part to realize the stopping hovering of the foldable mechanism and improve the using experience of the foldable terminal. In one embodiment, the plurality of fifth clamping parts are arranged at intervals around the circumference of the first rotating part; when the foldable mechanism is in a hovering state, the first clamping part and one fourth clamping part are mutually clamped so as to realize the stopping hovering of the foldable mechanism under a plurality of unfolding angles. In one embodiment, the first clamping portion is a protruding pin, the protruding pin is arranged on the surface of the elastic stop piece, which faces the first rotating portion, the third clamping portion is a groove, and an opening of the groove is located on the peripheral surface of the first rotating portion; Or the first clamping part is a groove, an opening of the groove is positioned on the surface of the elastic stop piece