Support structural member and display device
A support structural member and a display device. The support structural member comprises a support frame, a screen body fixture, a screen body connector and a power assembly. The support frame comprises a first support body and a second support body movably connected to the first support body in a first direction. The screen body fixture is connected to the first support body. The screen body connector is configured to guide a screen body to be unfolded or folded. The screen body connector is movably connected to the second support body. The second support body and the screen body connector are both connected to the power assembly, the power assembly drives the second support body to protrude or retract relative to the first support body, and enables the screen body connector and the second support body to move simultaneously in the first direction.
1. A support structural member for a display device, comprising:
a support frame comprising a screen body support surface and an inner surface opposite to the screen body support surface, the support frame comprising a first support body and a second support body, and the second support body being movably connected to the first support body in a first direction;
a screen body connector disposed on the support frame and configured to guide a screen body to be unfolded or folded, the screen body connector being movably connected to the second support body;
a power assembly disposed on the support frame, the second support body and the screen body connector being both connected to the power assembly, and the power assembly driving the second support body to protrude or retract relative to the first support body, and enabling the screen body connector and the second support body to move simultaneously in the first direction; and
a tensioning assembly connected with the second support body and the screen body connector.
2. The support structural member as claimed in claim 1 , further comprising:
a screen body fixing member disposed on a side of the screen body support surface of the support frame and including a fixing plate connected to the first support body, and the power assembly is disposed on a side of the inner surface of the support frame.
3. The support structural member as claimed in claim 2 , wherein the power assembly comprises a first driving mechanism connected with the second support body and driving the second support body to move in the first direction and a second driving mechanism connected with the screen body connector and driving the screen body connector to move in the first direction.
4. The support structural member as claimed in claim 3 , wherein the first driving mechanism comprises a first threaded rod rotatably connected to the second support body and threadly connected with the first support body, when the first threaded rod rotates, the first threaded rod and the second support body move synchronously relative to the first support body in the first direction, to enable the second support body to protrude or retract relative to the first support body.
5. The support structural member as claimed in claim 4 , wherein the power assembly further comprises a first connecting seat fixedly connected to the first support body, and the first connecting seat is threadly connected with the first threaded rod.
6. The support structural member as claimed in claim 4 , wherein the second driving mechanism comprises a second threaded rod rotatably connected to the second support body, the screen body connector is connected to the second threaded rod, and when the second threaded rod rotates relative to the second support body, the second threaded rod drives the screen body connector to move in the first direction.
7. The support structural member as claimed in claim 6 , wherein the screen body connector comprises a second connecting seat, the screen body connector is fixedly connected with the second connecting seat, and the second connecting seat is threadly connected with the second threaded rod.
8. The support structural member as claimed in claim 7 , further comprising:
a fastener for fixing the screen body connector and the second connecting seat, the screen body connector comprises a first strip hole and a second strip hole extending along the first direction, the second connecting seat comprises a first limiting convex column and a second fixing hole, the fastener penetrates through the first strip hole of the screen body connector and the second fixing hole of the second connecting seat, and the first limiting convex column of the second connecting seat extends into the second strip hole of the screen body connector.
9. The support structural member as claimed in claim 6 , wherein the first threaded rod and the second threaded rod comprise a power input end, and the power input end drives the first threaded rod and the second threaded rod to rotate synchronously.
10. The support structural member as claimed in claim 7 , wherein the power assembly further comprises a first mounting seat and a second mounting seat, the first mounting seat and the second mounting seat are disposed on the second support body and spaced in the first direction, and two ends of each of the first threaded rod and the second threaded rod are connected to the first mounting seat and the second mounting seat, respectively, and the first threaded rod and the second threaded rod are spaced in a second direction perpendicular to the first direction.
11. The support structural member as claimed in claim 10 , wherein the first driving mechanism further comprises a first guide rail, the first guide rail extends along the first direction, two ends of the first guide rail are fixed to the first mounting seat and the second mounting seat, respectively, and the first support body is movably connected to the first guide rail.
12. The support structural member as claimed in claim 11 , wherein the second driving mechanism further comprises a second guide rail, the second guide rail extends along the first direction, two ends of the second guide rail are fixed to the first mounting seat and the second mounting seat, respectively, and the screen body connector is movably connected to the second guide rail.
13. The support structural member as claimed in claim 1 , wherein the support frame further comprises a rolling shaft, the rolling shaft is disposed at an end of the second support body away from the first support body, the rolling shaft extends in a second direction perpendicular to the first direction, and two ends of the rolling shaft are rotatably connected to the second support body.
14. The support structural member as claimed in claim 2 , wherein tensioning assembly is configured to tension the screen body connector in the first direction.
15. The support structural member as claimed in claim 14 , wherein the tensioning assembly comprises an elastic member, one end of the elastic member is connected to the second support body, and the other end of the elastic member is connected to the screen body connector, and the elastic member is configured to apply a tensile stress in the first direction to the screen body connector.
16. The support structural member as claimed in claim 2 , further comprising:
a guide assembly disposed on a side of the inner surface of the support frame, wherein the second support body and the screen body connector are both connected with the guide assembly, the guide assembly and the power assembly are spaced in a direction perpendicular to a moving direction of the second support body, and the guide assembly is configured to provide guidance for the second support body and the screen body connector in the first direction.
17. The support structural member as claimed in claim 16 , wherein the guide assembly comprises
a first guide rail fixing seat, a second guide rail fixing seat, a third guide rail and a fourth guide rail, the first guide rail fixing seat and the second guide rail fixing seat are disposed on the second support body and spaced in the first direction, two ends of each of the third guide rail and the fourth guide rail are connected to the first guide rail fixing seat and the second guide rail fixing seat, respectively, the first support body is movably connected to the third guide rail, and the screen body connector is movably connected to the fourth guide rail.
18. A display device, comprising:
a flexible screen; and
the support structural member as claimed in claim 2 , the screen body support surface being configured to support the flexible screen, one end of the flexible screen being connected to the screen body fixing member, and the other end of the flexible screen being bent to be received in the second support body and being connected to the screen body connector, the power assembly driving the second support body to protrude or retract relative to the first support body, and enabling a portion of the flexible screen received in the second support body to be unfolded or folded when the screen body connector and the second support body move simultaneously in the first direction.