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CN-116838704-B - Rotating shaft device, folding shell and electronic equipment

CN116838704BCN 116838704 BCN116838704 BCN 116838704BCN-116838704-B

Abstract

The application provides a rotating shaft device which comprises a positioning seat, a rotating part, a connecting part, a linkage part and a distance sensor, wherein two opposite ends of the rotating part are respectively and rotatably connected with the positioning seat and the connecting part, one end of the linkage part is rotatably connected with the positioning seat, one end of the linkage part, which is far away from the positioning seat, is slidably connected with the connecting part, the relative position of the distance sensor and the connecting part is fixed, the relative distance between the distance sensor and the linkage part is changed in the sliding process of the linkage part relative to the connecting part, and the distance sensor is used for obtaining sliding movement information data of the linkage part relative to the distance sensor so as to realize the rotating angle detection of the rotating shaft device. The application also provides a folding shell with the rotating shaft device and electronic equipment.

Inventors

  • LIANG ZIHAO

Assignees

  • OPPO广东移动通信有限公司

Dates

Publication Date
20260512
Application Date
20220324

Claims (14)

  1. 1. The rotating shaft device comprises a positioning seat, a rotating piece, a connecting piece, a linkage piece and a distance sensor, wherein two opposite ends of the rotating piece are respectively and rotatably connected with the positioning seat and the connecting piece, one end of the linkage piece is rotatably connected with the positioning seat, one end of the linkage piece, which is far away from the positioning seat, is slidably connected with the connecting piece, the distance sensor is fixed with the relative position of the connecting piece, a first distance is reserved between the rotating axis of the linkage piece and the positioning seat and the distance sensor, a second distance is reserved between the rotating axis of the rotating piece and the positioning seat and the distance sensor, the linkage piece slides relative to the connecting piece in the rotating process of the linkage piece relative to the positioning seat, the rotating piece rotates relative to the positioning seat and the connecting piece, the value of the first distance is unchanged, and the distance sensor is used for detecting the relative change of the rotating angle of the rotating shaft sensor relative to the distance sensor.
  2. 2. The apparatus according to claim 1, wherein the distance between the distance sensor and the linkage member is gradually increased during folding of the linkage member relative to the positioning seat, and the distance between the distance sensor and the linkage member is gradually decreased during flattening of the linkage member relative to the positioning seat.
  3. 3. The apparatus according to claim 1, wherein the distance sensor is located at an end of the linkage member away from the positioning seat, the linkage member includes an end surface facing the distance sensor, a relative distance between the distance sensor and the end surface of the linkage member gradually increases during folding of the linkage member relative to the positioning seat, and a relative distance between the distance sensor and the end surface of the linkage member gradually decreases during flattening of the linkage member relative to the positioning seat.
  4. 4. The rotating shaft device according to claim 1, wherein the linkage member and the connecting member are in sliding connection through cooperation of a guide chute and a guide rail, and the extending direction of the guide chute is perpendicular to the rotation axis between the linkage member and the positioning seat.
  5. 5. The apparatus according to claim 4, wherein the linkage member has the guide rail, the connecting member is provided with the guide groove, or the connecting member has the guide rail, and the linkage member is provided with the guide groove.
  6. 6. The rotary shaft device according to claim 1, wherein a rotational axis between the linkage member and the positioning seat is parallel to a rotational axis between the rotary member and the positioning seat, and a rotational axis between the linkage member and the positioning seat is parallel to a rotational axis between the rotary member and the connecting member.
  7. 7. The apparatus according to claim 1, wherein the first distance gradually increases during folding of the linkage relative to the positioning seat, and the first distance gradually decreases during flattening of the linkage relative to the positioning seat.
  8. 8. The rotating shaft device according to claim 1, wherein the two opposite sides of the positioning seat are respectively provided with the linkage members, the first distance is gradually increased in the folding process of the two linkage members, the included angle between the two linkage members is gradually increased, and the first distance is gradually decreased in the flattening process of the two linkage members, and the included angle between the two linkage members is gradually decreased.
  9. 9. The rotating shaft device according to any one of claims 1 to 8, further comprising two rotating shafts and gear combinations arranged on the two rotating shafts, wherein the two opposite sides of the positioning seat are respectively provided with the linkage members, the two linkage members are respectively connected to the two rotating shafts, and the linkage members rotate around the axes of the corresponding rotating shafts to drive the rotating shafts to rotate, and the two linkage members realize synchronous folding or synchronous flattening through the gear combinations.
  10. 10. The apparatus according to claim 9, further comprising a limiting assembly, wherein the limiting assembly includes a pushing member provided on the linkage member, a pushing member and an elastic member, the pushing member includes a first cam, the pushing member includes a second cam, the first cam and the second cam are rotatable against each other, the elastic member has a pre-elastic force that makes the pushing member and the pushing member abut against each other, and during rotation of the first cam of the pushing member relative to the second cam of the pushing member, the elastic member is elastically deformed by the pushing member, and a frictional resistance between the pushing member and the pushing member positions the linkage member.
  11. 11. The rotary shaft device according to claim 1, further comprising a support assembly, wherein the support assembly comprises a side support, the side support is rotatably connected with the connecting piece through the cooperation of a first circular arc rail and a first circular arc groove, the rotating piece is rotatably connected with the positioning seat through the cooperation of a second circular arc rail and a second circular arc groove, the axis line of the first circular arc groove is parallel to the axis line of the second circular arc groove, and the side support is slidably connected with the linkage through the cooperation of a limiting chute and a sliding guide part.
  12. 12. The apparatus of claim 11, wherein the limiting chute includes a first limiting section and a second limiting section at opposite ends thereof, the first limiting section being further away from the positioning seat than the second limiting section, the slide guide being positioned at the first limiting section when the two side supports are in a fully folded state, and the slide guide being positioned at the second limiting section when the two side supports are in a flattened state.
  13. 13. A folding casing, characterized in that the folding casing comprises a rotating shaft device and two frames according to any one of claims 1-12, wherein the rotating shaft device is positioned between the two frames, the two frames are respectively connected with two connecting pieces of the rotating shaft device, and a distance sensor of the rotating shaft device is arranged on the frames or a distance sensor of the rotating shaft device is arranged on the connecting pieces.
  14. 14. An electronic device, wherein the electronic device comprises a flexible member, a main board and the folding housing according to claim 13, the flexible member is disposed on the folding housing, the main board is disposed in a frame of the folding housing, and the distance sensor of the rotating shaft device is electrically connected to the main board.

Description

Rotating shaft device, folding shell and electronic equipment Technical Field The invention relates to the field of rotating shafts of flexible screens, in particular to a rotating shaft device, a folding shell provided with the rotating shaft device and electronic equipment provided with the folding shell. Background With the development of display devices, foldable electronic devices with flexible display screens are now developed, and the foldable areas of the flexible display screens are generally supported by a rotating shaft device. The conventional rotating shaft device generally adopts the matching of a magnet and a Hall sensor to realize the angle detection of folding or unfolding of the foldable electronic equipment. However, the magnet not only occupies the inner space of the rotating shaft device, but also increases the weight of the foldable electronic device. Disclosure of Invention The application provides a rotating shaft device, a folding shell provided with the rotating shaft device and electronic equipment provided with the folding shell. The application provides a rotating shaft device which comprises a positioning seat, a rotating piece, a connecting piece, a linkage piece and a distance sensor, wherein two opposite ends of the rotating piece are respectively and rotatably connected with the positioning seat and the connecting piece, one end of the linkage piece is rotatably connected with the positioning seat, one end of the linkage piece, which is far away from the positioning seat, is slidably connected with the connecting piece, the relative position of the distance sensor and the connecting piece is fixed, the relative distance between the distance sensor and the linkage piece is changed in the sliding process of the linkage piece relative to the connecting piece, and the distance sensor is used for obtaining sliding movement information data of the linkage piece relative to the distance sensor so as to realize the rotating angle detection of the rotating shaft device. The application also provides a folding shell which comprises a rotating shaft device and two frame bodies, wherein the rotating shaft device is positioned between the two frame bodies, the two frame bodies are respectively connected with two connecting pieces of the rotating shaft device, and a distance sensor of the rotating shaft device is connected with one frame body. The application also provides electronic equipment, which comprises a flexible piece, a main board and a folding shell, wherein the flexible piece is arranged on the folding shell, the main board is arranged in a frame body of the folding shell, and a distance sensor of the rotating shaft device is electrically connected with the main board. Compared with the bending flexible display screen of the folding electronic equipment in the related art, the angle detection is carried out in the opening process by adopting the matching mode of the magnet and the Hall sensor, the magnet not only occupies the inner space of the rotating shaft device, but also weight of the folding electronic equipment is increased. In the process of flattening or folding the electronic equipment, the linkage piece slides relative to the connecting piece, the distance sensor obtains the movement information data of the linkage piece relative to the distance sensor and transmits the movement information data to the main board, the processor on the main board receives the movement information data and obtains the rotating angle of the frame body relative to the positioning seat through conversion so as to realize the detection of the rotating angle of the rotating shaft device, and the processor controls the dynamic picture display of the flexible piece according to the rotating angle, so that the electronic equipment plays with animation effect in the process of unfolding or folding. The rotating shaft device adopts the distance sensor without a magnet, namely, a space is not required to be arranged on the rotating shaft device for the magnet, so that the arrangement of other elements of the rotating shaft device is facilitated, secondly, the distance sensor can improve the detection precision, the poor effects of dullness or delay do not occur in the folding or flattening process of the rotating shaft device, the angle detection precision is improved, the animation effect is improved, the user experience is improved, in addition, the rotating shaft device is free of the magnet, the rotating shaft device is prevented from adsorbing foreign matters outside the rotating shaft device, the guide matters are prevented from entering the folding electronic equipment in the rotating process of the rotating shaft device, the magnet is omitted from the rotating shaft device, the whole weight of the rotating shaft device is reduced, the manufacturing process steps are reduced, and the cost is saved. Drawings In order to more clearly illustrate the technical solutions of the embodiments of