CN-122027724-A - Double folding mechanism and double folding terminal

Abstract

The present application relates to the field of electronic products, and in particular, to a dual-folding mechanism and a dual-folding terminal. The double-folding mechanism comprises a beam body, a first connecting arm, a second connecting arm, a first swing arm and a connecting block, wherein the length direction of the beam body is arranged along a first direction, the first connecting arm is movably connected with the beam body along a second direction, the second direction is intersected with the first direction, the second connecting arm is movably connected with the first connecting arm, the second connecting arm is configured to move away from or move close to the beam body along the first connecting arm, one end of the first swing arm is rotatably connected with the second connecting arm, and the other end of the first swing arm is connected with the connecting block. Under the folding form that the double folding structure is relatively outward, the corresponding display screen is relatively inward, the second connecting arm can be through moving away from the roof beam body and increase the whole length of first connecting arm, second connecting arm and first swing arm to combine the rotation of first swing arm and second connecting arm to be connected and be more favorable to making double folding mechanism adapt to the shape of display screen.

Inventors

• SU SHUAI
• CHEN RUIHAO
• DONG SHAOHONG

Assignees

• 荣耀终端股份有限公司

Dates

Publication Date

20260512

Application Date

20241111

Claims (20)

1. 1. The double-folding mechanism is used for a double-folding terminal and comprises a beam body, a first connecting arm, a second connecting arm, a first swing arm and a connecting block, wherein the length direction of the beam body is arranged along a first direction, the first connecting arm is movably connected with the beam body along a second direction, and the second direction is intersected with the first direction; the second connecting arm is movably connected with the first connecting arm, and the second connecting arm is configured to move away from or move close to the beam body along the first connecting arm; One end of the first swing arm is rotationally connected with the second connecting arm, and the other end of the first swing arm is connected with the connecting block.
2. 2. The double-folding mechanism according to claim 1, wherein one of the beam body and the first connecting arm is provided with a first slide groove, the first slide groove is provided to extend in the second direction, and the other of the beam body and the first connecting arm is slidably connected to the first slide groove in the extending direction of the first slide groove.
3. 3. The double-folding mechanism according to claim 2, wherein a first stop is provided on a side of the beam body facing the connection block, a first projection is provided on a side of the first connection arm facing away from the connection block, and the first projection is configured to move with the first connection arm to abut against a side of the first stop facing away from the connection block.
4. 4. The double-folding mechanism according to claim 3, wherein the first chute is provided on the beam body, and the first stopper is provided on a wall surface of the first chute.
5. 5. The double-folding mechanism according to claim 3, wherein the Liang Tichao has a first receiving recess in a side wall surface of the connection block, the first slide groove is provided in a side wall surface of the first receiving recess in the first direction, the first connection arm extends into the first receiving recess, and a side edge of the first connection arm in the first direction is slidably connected to the first slide groove.
6. 6. The double-folding mechanism of claim 2, wherein the first runner is arranged to bend around the first direction, the first runner comprising two groove wall surfaces arranged opposite each other in a third direction, the third direction intersecting a plane formed by the first direction and the second direction; The first connecting arm is slidably connected with the first sliding groove or the beam body comprises a first sliding part accommodated in the first sliding groove, the first sliding part is bent and arranged around the first direction, the bending central axis of the first sliding part and the bending central axis of the first sliding groove are arranged on the same side of the beam body, and two surfaces of the first sliding part, which are oppositely arranged in the third direction, are respectively abutted to the groove wall surface of the first sliding groove.
7. 7. The double folding mechanism according to any one of claims 1 to 6, wherein one of the first connecting arm and the second connecting arm is provided with a second slide groove extending in a direction intersecting the first direction, and the other of the first connecting arm and the second connecting arm is slidably connected to the second slide groove in the extending direction of the second slide groove to move the second connecting arm away from or closer to the beam body.
8. 8. The double folding mechanism of claim 7, wherein the side wall surface of the first connecting arm facing the connecting block is provided with a second accommodation recess, the second sliding groove is arranged on the side wall surface of the second accommodation recess in the first direction, the second connecting arm extends into the second accommodation recess, and the side edge of the second connecting arm in the first direction is slidingly connected with the second sliding groove.
9. 9. The double-folding mechanism according to claim 7 or 8, wherein the second chute is provided to be folded around the first direction, and the second chute includes two chute wall surfaces provided to be opposed in a direction intersecting a plane formed by the first direction and the second direction; The second connecting arm or the first connecting arm which is in sliding connection with the second sliding groove comprises a second sliding part which is accommodated in the second sliding groove, the second sliding part is bent and arranged around the first direction, the bending central axis of the second sliding part and the bending central axis of the second sliding groove are arranged on the same side of the first connecting arm, and two surfaces which are oppositely arranged in the direction of a plane formed by the first direction and the second direction of the second sliding part are respectively abutted to the groove wall surface of the second sliding groove.
10. 10. The double-folding mechanism according to claim 7 or 8, wherein a second stop is provided on a side of the first connecting arm facing the connecting block, a second projection is provided on a side of the second connecting arm facing away from the connecting block, and the second projection is configured to move with the second connecting arm to abut against a side of the second stop facing away from the connecting block.
11. 11. The double-folding mechanism of claim 5, wherein one of the first connecting arm and the second connecting arm is provided with a second chute extending in a direction intersecting the first direction, and the other of the first connecting arm and the second connecting arm is slidably connected with the second chute in the extending direction of the second chute to move the second connecting arm away from or closer to the beam; a second stop block is arranged on one side, facing the connecting block, of the first connecting arm, a second protruding block is arranged on one side, far away from the connecting block, of the second connecting arm, and the second protruding block is used for moving to abut against one side, facing away from the connecting block, of the second stop block along with the second connecting arm; The second chute is arranged on the first connecting arm, and the second stop block is arranged on the wall surface of the second chute.
12. 12. The double-folding mechanism of claim 11, wherein the side wall surface of the first connecting arm facing the connecting block is provided with a second accommodation recess, and the second sliding groove is arranged on the side wall surface of the second accommodation recess in the first direction; the second lug is arranged on the side edge of the second connecting arm in the first direction, and the second lug is accommodated in the second chute.
13. 13. The double-folding mechanism of claim 12, wherein the first stopper and the first projection are provided on the same side wall surface of the first accommodation recess in a third direction intersecting a plane formed by the first direction and the second direction; the second accommodation recess is provided toward a portion of the connection block as a sub accommodation section penetrating through to an outer surface of the first connection arm in the third direction toward one side of the first bump.
14. 14. The double-folding mechanism of claim 13, wherein the first runner is arranged to bend around the first direction, and the first stop and the first projection are arranged on a same side wall surface of the first accommodating recess facing away from a bending central axis of the first runner in the third direction.
15. 15. The dual folding mechanism of claim 14, wherein the first runner is spaced apart from the first stop in the third direction.
16. 16. The double-folding mechanism according to any one of claims 12 to 15, wherein a portion of the second accommodation recess facing the connection block is provided as a sub-accommodation section, a side of the sub-accommodation section facing away from the first bump penetrating to an outer surface of the first connection arm in a third direction intersecting a plane formed by the first direction and the second direction.
17. 17. The dual folding mechanism of claim 16, wherein the second receiving recess extends through the first connecting arm in the second direction, and a side of the second receiving recess facing away from the first bump extends through to an outer surface of the first connecting arm in the third direction, such that an outer surface of a side of the first connecting arm facing away from the first bump is spaced apart.
18. 18. The double-folding mechanism according to any one of claims 1 to 6, wherein a first notch is formed in a side of the second connecting arm facing the connecting block, the first swing arm extends into the first notch, and the first swing arm is rotatably connected with a wall surface of the first notch; the first swing arm is pivotally connected with the wall surface of the first notch in the first direction.
19. 19. The double-folding mechanism according to any one of claims 1 to 6, characterized in that a side of the second connecting arm facing the connecting block is provided with a third projection for moving with the second connecting arm into abutment with the beam.
20. 20. The double-folding mechanism of any one of claims 1 to 6, wherein the first swing arm is pivotally connected to the second connecting arm.

Description

Double folding mechanism and double folding terminal Technical Field The application relates to the technical field of electronic products, in particular to a double-folding mechanism and a double-folding terminal. Background For a foldable terminal such as a folding cellular phone, the foldable terminal in the related art is provided with a foldable mechanism in the form of a hinge mechanism or the like, so that two parts of the foldable terminal can be folded or unfolded relatively. The foldable terminal such as a folding mobile phone can be rotated from the folded state in which the display screen is positioned at the inner side of the shell to the relatively flattened state and then rotated to the other folded state in which the display screen is positioned at the outer side of the shell, and of course, the foldable terminal such as the folding mobile phone can also be rotated from the folded state in which the display screen is positioned at the outer side of the shell to the relatively flattened state and then rotated to the other folded state in which the display screen is positioned at the inner side of the shell. In the related art, for a foldable terminal such as a mobile phone with a double-folding mode, the display screen is different in shape in the folding state such as the inner side and the outer side, and the display screen is possibly interfered with a foldable mechanism to be knocked or extruded, so that the damage risk of the display screen is required to be reduced. Disclosure of Invention The application provides a double-folding mechanism and a double-folding terminal, which are beneficial to reducing the damage risk of a display screen. In a first aspect, the application provides a double-folding mechanism for a double-folding terminal, which comprises a beam body, a first connecting arm, a second connecting arm, a first swing arm and a connecting block, wherein the length direction of the beam body is set along a first direction, the first connecting arm is movably connected with the beam body along a second direction, the second direction intersects with the first direction, the second connecting arm is movably connected with the first connecting arm, the second connecting arm is configured to move away from or move close to the beam body along the first connecting arm, one end of the first swing arm is rotatably connected with the second connecting arm, and the other end of the first swing arm is connected with the connecting block. The second connecting arm is movably connected with the first connecting arm, the second connecting arm is configured to move away from or move close to the beam body along the first connecting arm, in a folded mode that the double folding structure is relatively inwards and the corresponding display screen is relatively outwards, the second connecting arm can reduce the integral length of the first connecting arm and the second connecting arm through moving close to the beam body, the double folding mechanism can be folded to the folded mode through rotating connection of the first swinging arm and the second connecting arm, in a folded mode that the double folding structure is relatively outwards and the corresponding display screen is relatively inwards, the second connecting arm can increase the integral length of the first connecting arm, the second connecting arm and the first swinging arm through moving away from the beam body, a larger space can be provided for the display screen in the double folding mechanism, and the rotating connection of the first swinging arm and the second connecting arm is more beneficial to enabling the double folding mechanism to adapt to the shape of the display screen, so that the risk of interference between the double folding mechanism and the corresponding display screen is reduced, and damage to the corresponding display screen is reduced. In one possible implementation manner, one of the beam body and the first connecting arm is provided with a first chute, the first chute is arranged in an extending manner along the second direction, and the other of the beam body and the first connecting arm is connected with the first chute in a sliding manner along the extending direction of the first chute. In another possible implementation manner, a first stop block is arranged on one side, facing the connecting block, of the beam body, a first protruding block is arranged on one side, away from the connecting block, of the first connecting arm, and the first protruding block is used for moving to abut against one side, facing away from the connecting block, of the first stop block along with the first connecting arm. In another possible implementation manner, the first chute is disposed on the beam body, and the first stopper is disposed on a wall surface of the first chute. In another possible implementation manner, the Liang Tichao is provided with a first accommodating recess on a side wall surface of the connecting