Rotation connection structure and electronic apparatus

1. A rotation connection mechanism, comprising:

a plate assembly including:

a middle plate;

a first plate being rotatably connected to the middle plate; and

a second plate being rotatably connected to the middle plate;

a movement structure assembly including:

a first movement structure arranged at a first end of the plate assembly, and including:

a first set of movement structures; and

a second set of movement structures including a first movement track and a second movement track, the first plate being slidingly fitted with the first movement track, and the second plate being slidingly fitted with the second movement track; and

a second movement structure arranged symmetrically with the first movement structure and arranged at a second end of the plate assembly; and

a torsion structure assembly arranged on a side of the middle plate and including:

a first torsion structure cooperating with the first movement structure; and

a second torsion structure cooperating with the second movement structure;

wherein:

the movement structure assembly is configured to control the first plate and the second plate to be at a first relative position, and the first plate, the middle plate, and the second plate form a plane;

the movement structure assembly is configured to control the first plate and the second plate to be at a second relative position, and the first plate and the second plate face each other and have a target angle;

the torsion structure assembly provides torsion support at the first relative position and the second relative position through the movement structure assembly;

the torsion structure assembly provides a force for switching the first plate and the second plate between the first relative position and the second relative position through the movement structure;

the first set of movement structures is configured to transfer torsion provided by a main shaft of the first torsion structure; and

the second set of movement structures is configured to linkage-control the first plate and the second plate to switch between the first relative position and the second relative position.

2. The rotation connection mechanism according to claim 1 , wherein the first movement structure includes a first member including:

a first connector configured to be fixedly connected to a first body of an electronic apparatus;

a first connection arm being a connection arm fixedly connected to a first the main shaft of the first torsion structure, the first connector being slidably connected to the first connection arm;

a first connection rod, a first end of the first connection rod being rotatably connected to a body housing of the rotation connection mechanism through a first shaft core, and a second end of the first connection rod being rotatably connected to the first connector through a second shaft core; and

the first movement track, the first movement track being fixed to the first connector.

3. The rotation connection mechanism according to claim 2 , wherein the first movement structure includes a second member mirrored with the first member and including:

a second connector be fixedly connected to a second body of an electronic apparatus;

a second connection arm;

a second connection rod; and

the second movement track;

wherein:

the first connector, the first connection arm, the second connector, and the second connection arm form the first set of movement structures of the first movement structure; and

the first connection rod, the first movement track, the second connection rod, and the second movement track form the second set of movement structures of the first movement structure.

4. The rotational connection mechanism according to claim 3 , wherein an axis of the main shaft, an axis of the first shaft core, and an axis of the second shaft core are not collinear.

5. The rotation connection mechanism according to claim 4 , wherein:

the first plate and the second plate are at the first relative position, and the axis of the main shaft, the axis of the first shaft core, and the axis of the second shaft core form a first triangle;

the first plate and the second plate are at the second relative position, and the axis of the main shaft, the axis of the first shaft core, and the axis of the second shaft core form a second triangle; and

during a switching of the first plate and the second plate between the first relative position and the second relative position, a flexible bending part of a flexible display touchscreen of the electronic apparatus compressed by movement of a mating surface of the first plate and movement of a mating surface of the second plate is avoided.

6. The rotation connection mechanism according to claim 5 , wherein a first connection shaft of the first plate that rotates relative to the middle plate is arranged on a side of the main shaft.

7. The rotation connection mechanism according to claim 1 , wherein:

a first connection shaft of the first plate that rotates relative to the middle plate is arranged at a first edge of the middle plate, and a second connection shaft of the second plate that rotates relative to the middle plate is arranged at a second edge of the middle plate;

the first movement track cooperates with a far end of the first plate corresponding to the first connection shaft;

the second movement track cooperates with a far end of the second plate corresponding to the second connection shaft; and

the first plate and the second plate are at the second relative position, and the far end of the first plate is close to the far end of the second plate.

8. The rotation connection mechanism according to claim 1 , wherein the main shaft of the first torsion structure includes:

a first main shaft including a first special-shaped gear; and

a second main shaft including a second special-shaped gear;

wherein:

the first torsion structure realizes a synchronous rotation through cooperation of a gear assembly with the first special-shaped gear and the second special-shaped gear; and

the first torsion structure realizes a first opening and closing angle of an electronic apparatus corresponding to the first relative position and a second opening and closing angle of the electronic apparatus corresponding to the second relative position through the first special-shaped gear with a first set of position-limiting points and the second special-shaped gear with a second set of position-limiting points.

9. An electronic apparatus comprising:

a first body;

a second body;

a rotation connection mechanism, the first body being movably connected to the second body through the rotation connection mechanism, and the rotation connection mechanism including:

a plate assembly including:

a middle plate;

a first plate being rotatably connected to the middle plate; and

a second plate being rotatably connected to the middle plate;

a movement structure assembly including:

a first movement structure arranged at a first end of the plate assembly, and including:

a first set of movement structures; and

a second set of movement structures including a first movement track and a second movement track, the first plate being slidingly fitted with the first movement track, and the second plate being slidingly fitted with the second movement track; and

a second movement structure arranged symmetrically with the first movement structure and arranged at a second end of the plate assembly; and

a torsion structure assembly arranged on a side of the middle plate and including:

a first torsion structure cooperating with the first movement structure; and

a second torsion structure cooperating with the second movement structure; and

a flexible display touchscreen, a first part of the flexible display touchscreen being fixed on a first surface of the first body, a second part of the flexible display touchscreen being fixed on a second surface of the second body, a third part of the flexible display touchscreen being arranged between the first part and the second part, the third part of the flexible display touchscreen being a flexible bending part, and a movement structure assembly of the rotation connection mechanism being located outside a coverage area of the flexible display touchscreen;

wherein:

the first body is in a first posture with the second body through the rotation connection mechanism, the first plate of the rotation connection mechanism and the second plate of the rotation connection mechanism are at a first relative position, the first plate, the second plate, and the middle plate form a plane, and the plane is coplanar with the first surface of the first body and the second surface of the second body;

the first body is in a second posture with the second body through the rotation connection mechanism, the first plate of the rotation connection mechanism and the second plate of the rotation connection mechanism are at a second relative position, and the first plate and the second plate face to each other and have a target angle;

the torsion structure assembly provides torsion support at a first relative position and the second relative position through the movement structure assembly;

the torsion structure assembly provides a force for switching the first plate and the second plate between the first relative position and the second relative position through the movement structure;

the first set of movement structures is configured to transfer torsion provided by a main shaft of the first torsion structure; and

the second set of movement structures is configured to linkage-control the first plate and the second plate to switch between the first relative position and the second relative position.

10. The electronic apparatus according to claim 9 , wherein:

the first body is in the first posture with the second body through the rotation connection mechanism, and the first plate and the second plate are at the first relative position to provide flat support for the third part to cause the third part of the flexible display screen to be coplanar with the first part and the second part; and

the first body is in the second posture with the second body through the rotation connection mechanism, the first plate and the second plate are at the second relative position to provide accommodation space at the rotation connection mechanism to accommodate the third part of the flexible display screen, the first plate and the first surface form a predetermined angle to cause the third part of the flexible display to form a first outer bending area, the second plate and the second surface form a predetermined angle to cause the third part of the flexible display screen to form a second outer bending area, and an area of the third part of the flexible display screen except for the first outer bending area and the second outer bending area is an inner bending area.

11. The electronic apparatus according to claim 9 , wherein the first movement structure includes a first member including:

a first connector configured to be fixedly connected to a first body of the electronic apparatus;

a first connection arm being a connection arm fixedly connected to the main shaft of the first torsion structure, the first connector being slidably connected to the first connection arm;

a first connection rod, a first end of the first connection rod being rotatably connected to a body housing of the rotation connection mechanism through a first shaft core, and a second end of the first connection rod being rotatably connected to the first connector through a second shaft core; and

the first movement track, the first movement track being fixed to the first connector.

12. The electronic apparatus according to claim 11 , wherein the first movement structure includes a second member mirrored with the first member and including:

a second connector;

a second connection arm;

a second connection rod; and

the second movement track;

wherein:

the first connector, the first connection arm, the second connector, and the second connection arm form the first set of movement structures of the first movement structure; and

the first connection rod, the first movement track, the second connection rod, and the second movement track form the second set of movement structures of the first movement structure.

13. The electronic apparatus according to claim 12 , wherein an axis of the main shaft, an axis of the first shaft core, and an axis of the second shaft core are not collinear.

14. The electronic apparatus according to claim 13 , wherein:

the first plate and the second plate are at the first relative position, and the axis of the main shaft, the axis of the first shaft core, and the axis of the second shaft core form a first triangle;

the first plate and the second plate are at the second relative position, and the axis of the main shaft, the axis of the first shaft core, and the axis of the second shaft core form a second triangle; and

during a switching process of the first plate and the second plate between the first relative position and the second relative position, a flexible bending part of a flexible display touchscreen of the electronic apparatus compressed by movement of a mating surface of the first plate and movement of a mating surface of the second plate can be avoided.

15. The electronic apparatus according to claim 14 , wherein a first connection shaft of the first plate that rotates relative to the middle plate is arranged on an side of the main shaft.

16. The electronic apparatus according to claim 9 , wherein:

a first connection shaft of the first plate that rotates relative to the middle plate is arranged at a first edge of the middle plate, and a second connection shaft of the second plate that rotates relative to the middle plate is arranged at a second edge of the middle plate;

the first movement track cooperates with a far end of the first plate corresponding to the first connection shaft;

the second movement track cooperates with a far end of the second plate corresponding to the second connection shaft; and

the first plate and the second plate are at the second relative position, and the far end of the first plate is close to the far end of the second plate.

17. The electronic apparatus according to claim 9 , wherein the main shaft of the first torsion structure includes:

a first main shaft including a first special-shaped gear; and

a second main shaft including a second special-shaped gear;

wherein:

the first torsion structure realizes a synchronous rotation through cooperation of a gear assembly with the first special-shaped gear and the second special-shaped gear; and

the first torsion structure realizes a first opening and closing angle of the electronic apparatus corresponding to the first relative position and a second opening and closing angle of the electronic apparatus corresponding to the second relative position through the first special-shaped gear with a first set of position-limiting points and the second special-shaped gear with a second set of position-limiting points.

18. A rotation connection mechanism, comprising:

a plate assembly including a middle plate, a first plate rotatably connected to the middle plate, and a second plate rotatably connected to the middle plate;

a movement structure assembly including:

a first movement structure arranged at a first end of the plate assembly, and including:

a first member including:

a first connector configured to be fixedly connected to a first body of an electronic apparatus;

a first connection arm being a connection arm fixedly connected to a main shaft of the first torsion structure, the first connector being slidably connected to the first connection arm;

a first connection rod, a first end of the first connection rod being rotatably connected to a body housing of the rotation connection mechanism through a first shaft core, and a second end of the first connection rod being rotatably connected to the first connector through a second shaft core; and

a first movement track being fixed to the first connector, the first movement track being configured to control switching of the first plate between the first relative position and the second relative position; and

a second member mirrored with the first member, and including a second connector be fixedly connected to a second body of an electronic apparatus, a second connection arm, a second connection rod, and a second movement track; and

a second movement structure arranged symmetrically with the first movement structure and arranged at a second end of the plate assembly; and

a torsion structure assembly arranged on a side of the middle plate, and including a first torsion structure cooperating with the first movement structure, and a second torsion structure cooperating with the second movement structure;

wherein:

the movement structure assembly is configured to control the first plate and the second plate to be at a first relative position, and the first plate, the middle plate, and the second plate form a plane;

the movement structure assembly is configured to control the first plate and the second plate to be at a second relative position, and the first plate and the second plate face each other and have a target angle;

the torsion structure assembly provides torsion support at the first relative position and the second relative position through the movement structure assembly;

the torsion structure assembly provides a force for switching the first plate and the second plate between the first relative position and the second relative position through the movement structure;

the first connector, the first connection arm, the second connector, and the second connection arm form a first set of movement structures of the first movement structure, and the first set of movement structures are configured to transfer torsion provided by the main shaft of the first torsion structure; and

the first connection rod, the first movement track, the second connection rod, and the second movement track form a second set of movement structures of the first movement structure, and the second set of movement structures is configured to linkage-control the first plate and the second plate to switch between the first relative position and the second relative position.