CN-122014742-A - Folding module and folding electronic equipment

Abstract

The embodiment of the application relates to the technical field of folding equipment, in particular to a folding module and folding electronic equipment. The embodiment of the application aims to solve the problem of insufficient rigidity of the folding module. According to the folding module provided by the embodiment of the application, the first end and the second end of the damping support are connected with the main shaft through the bolts, meanwhile, the part of the damping support between the first end and the second end is welded with the main shaft, so that the connecting force between the main shaft and the damping support can be improved, the rigidity of the main shaft can be improved through the damping support, the main shaft can be prevented from deforming when falling or being impacted by external force, and further, the damage to devices such as a flexible display panel and the like can be avoided.

Inventors

• WU WEIFENG
• ZHONG DING
• HU YUEHUA
• CHEN WENLU
• Gong Jianen
• YAN ZHIGUO

Assignees

• 华为技术有限公司

Dates

Publication Date

20260512

Application Date

20250926

Claims (17)

1. 1. A folding module, comprising: a main shaft; The first swing arm is rotationally connected with the main shaft, and the rotation axis of the first swing arm is parallel to the length direction of the main shaft; the damping mechanism comprises a damping bracket and a damping assembly, the damping bracket covers the main shaft, the damping bracket is provided with a first end and a second end which are arranged along the length direction of the main shaft, the first end and the second end are connected with the main shaft through bolts, and the damping bracket between the first end and the second end is welded with the main shaft; the damping component is arranged on the damping bracket and is connected with the first swing arm.
2. 2. The folding module according to claim 1, wherein a connecting rib is arranged between the main shaft and the damping bracket, one end of the connecting rib is connected with the main shaft, and the other end of the connecting rib is welded with the damping bracket; or one end of the connecting rib is connected with the damping bracket, and the other end of the connecting rib is welded with the main shaft.
3. 3. The folding module according to claim 2, wherein one end of the connecting rib is connected with the main shaft, the other end of the connecting rib is welded with the damping support, a connecting hole is formed in the damping support, part of the connecting rib is arranged in the connecting hole in a penetrating mode, and the connecting rib arranged in the connecting hole in a penetrating mode is welded with the damping support.
4. 4. A folding module according to claim 2 or 3, wherein the damping bracket comprises a first bracket and a second bracket, the first bracket and the second bracket are arranged along the length direction of the main shaft, and the connecting ribs are welded with the first bracket and the second bracket.
5. 5. The folding module according to any one of claims 1 to 4, wherein the damping assembly comprises a first connecting shaft, a second connecting shaft, a first cam link, a first spring and a second spring, wherein the central lines of the first connecting shaft and the second connecting shaft are parallel to the length direction of the main shaft, and the first connecting shaft and the second connecting shaft are connected with the damping bracket; The damping support or the main shaft is provided with a second guide part, and the first guide part is matched with the second guide part and is used for guiding the first cam connecting rod to move along the length direction parallel to the main shaft.
6. 6. The folding module of claim 5, wherein the first guide portion comprises a guide block disposed on the first cam link, and the second guide portion comprises a guide slot disposed on the damping bracket, the guide block being slidably disposed within the guide slot.
7. 7. The folding module according to claim 5 or 6, further comprising a second swing arm, wherein the first swing arm is rotatably connected to the first connecting shaft, the second swing arm is rotatably connected to the second connecting shaft, and a rotation axis of the second swing arm is parallel to a length direction of the main shaft; the first cam connecting rod is further provided with a third cam, the second swing arm is provided with a fourth cam, and the third cam is matched with the fourth cam.
8. 8. The folding module of any of claims 5-7, wherein the damping assembly further comprises a third connecting shaft and a third spring, the third connecting shaft is disposed on the damping bracket, a center line of the third connecting shaft is parallel to a center line of the first connecting shaft, the third connecting shaft is disposed between the first connecting shaft and the second connecting shaft, the third spring is disposed on the third connecting shaft, and the third spring is abutted against the first cam link.
9. 9. The folding module of claim 8, wherein the first cam link is further provided with a guide hole, and one end of the third connecting shaft is inserted into the guide hole.
10. 10. The folding module of claim 8 or 9, wherein the stiffness coefficient of the third spring is greater than the stiffness coefficients of the first and second springs.
11. 11. The folding module of claim 10, wherein an outer diameter of the third spring is greater than an outer diameter of the first spring and the second spring.
12. 12. The folding module according to any one of claims 8-11, wherein the damping assembly further comprises a second cam link, the first, second and third springs are each disposed between the first and second cam links, one ends of the first, second and third springs are each abutted against the first cam link, and the other ends of the first, second and third springs are each abutted against the second cam link; The folding module further comprises a third swing arm and a fourth swing arm, the third swing arm is rotationally connected with the first connecting shaft, the fourth swing arm is rotationally connected with the second connecting shaft, a seventh cam is arranged on the third swing arm, an eighth cam is arranged on the fourth swing arm, the seventh cam is matched with the fifth cam, and the eighth cam is matched with the sixth cam.
13. 13. The folding module of claim 12, wherein an end of the third connecting shaft facing away from the first cam link is fixedly connected to the second cam link.
14. 14. The folding module of claim 13, wherein the third connecting shaft is of unitary construction with the second cam link.
15. 15. The folding module of any one of claims 12-14, further comprising a synchronization mechanism disposed on the damping mount, the third swing arm and the fourth swing arm being drivingly connected by the synchronization mechanism.
16. 16. The folding module according to claim 15, wherein the synchronizing mechanism comprises a first synchronizing gear, a second synchronizing gear, a fourth connecting shaft and a fifth connecting shaft, the fourth connecting shaft and the fifth connecting shaft are both arranged on one side of the second cam connecting rod, which is away from the first cam connecting rod, one end of each of the fourth connecting shaft and the fifth connecting shaft is connected with the second cam connecting rod, and the other end of each of the fourth connecting shaft and the fifth connecting shaft is connected with the damping bracket; The first synchronous gear is rotationally connected with the fourth connecting shaft, the second synchronous gear is rotationally connected with the fifth connecting shaft, the first synchronous gear is meshed with the second synchronous gear, the third swing arm is provided with a first driving gear, the fourth swing arm is provided with a second driving gear, the first driving gear is meshed with the first synchronous gear, and the second driving gear is meshed with the second synchronous gear.
17. 17. A folding electronic device is characterized by comprising a first middle frame, a second middle frame, a flexible display panel and the folding module set according to any one of claims 1-16, wherein the first middle frame and the second middle frame are connected through the folding module set, and the flexible display panel covers the first middle frame and the second middle frame.

Description

Folding module and folding electronic equipment Technical Field The embodiment of the application relates to the technical field of folding equipment, in particular to a folding module and folding electronic equipment. Background The foldable electronic device (such as a foldable mobile phone, a foldable tablet personal computer and the like) generally comprises a first middle frame, a second middle frame, a folding module and a flexible display panel, wherein the first middle frame and the second middle frame are connected in a foldable manner through the folding module, the flexible display panel covers the first middle frame and the second middle frame, and the first middle frame and the second middle frame swing relative to the folding module in the folding and unfolding process of the foldable electronic device, and meanwhile, the flexible display panel deforms along with the swinging. However, the rigidity of the folding module is generally insufficient, and when the folding electronic device falls or is impacted by external force, the folding module is easily deformed, resulting in damage to devices such as a flexible display panel of the folding electronic device. Disclosure of Invention The embodiment of the application provides a folding module and folding electronic equipment, which can improve the rigidity of a main shaft. The embodiment of the application provides a folding module which comprises a main shaft, a first swing arm and a damping mechanism, wherein the first swing arm is connected with the main shaft in a rotating mode, the rotating axis of the first swing arm is parallel to the length direction of the main shaft, the damping mechanism comprises a damping support and a damping assembly, the damping support covers the main shaft and is provided with a first end and a second end which are arranged along the length direction of the main shaft, the first end and the second end are connected with the main shaft through bolts, the damping support between the first end and the second end is welded with the main shaft, the damping assembly is arranged on the damping support and connected with the first swing arm, and the damping assembly is used for providing damping force for the first swing arm. According to the folding module, the first end and the second end of the damping support are connected with the main shaft through bolts, meanwhile, part of the damping support between the first end and the second end is welded with the main shaft, the connecting force between the main shaft and the damping support can be improved, the rigidity of the main shaft can be improved through the damping support, the main shaft can be prevented from deforming when the main shaft falls or is impacted by external force, and further the damage to devices such as a flexible display panel is avoided. In some embodiments, which may include the above embodiments, the damping mount may be welded directly to the spindle, for example, the damping mount may be directly connected to the spindle by pressure welding, arc welding, laser welding, or the like, and the solder formed by the welding is directly connected to the damping mount and the spindle. In some embodiments, which may include the above embodiments, the damping bracket may be indirectly welded to the main shaft, for example, a connection rib is provided between the main shaft and the damping bracket, one end of the connection rib is connected to the main shaft, and the other end of the connection rib is welded to the damping bracket, or one end of the connection rib is connected to the damping bracket, and the other end of the connection rib is welded to the main shaft. Through the arrangement, the connecting ribs are arranged between the main shaft and the damping support, and can further improve the rigidity of the main shaft and further avoid the main shaft from deforming when falling or being impacted by external force. In some embodiments including the above embodiments, one end of the connecting rib is connected with the spindle, the other end of the connecting rib is welded with the damping bracket, the damping bracket is provided with a connecting hole, part of the connecting rib is arranged in the connecting hole in a penetrating way, and the connecting rib arranged in the connecting hole in a penetrating way is welded with the damping bracket. The connecting area between the connecting ribs and the damping support can be increased, and then the connecting force between the connecting ribs and the damping support is improved. In some embodiments including the above embodiments, the end of the connecting rib facing away from the main shaft is provided with a plug portion, the plug portion is inserted into the connecting hole, the plug portion and the connecting hole are connected by welding, that is, the welding flux formed by welding surrounds the plug portion, and the welding flux connects the plug portion and the damping bracket at the wall of