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CN-118433279-B - Rotating shaft mechanism and mobile terminal

CN118433279BCN 118433279 BCN118433279 BCN 118433279BCN-118433279-B

Abstract

A rotating shaft mechanism and a mobile terminal are provided. The rotating shaft mechanism comprises a main body, a rotating assembly and a third door plate. The rotating assembly comprises a first rotating mechanism and a second rotating mechanism, the first rotating mechanism comprises a first swing arm, a first connecting rod, a first door plate and a first shell bracket, and the second rotating mechanism comprises a second swing arm, a second connecting rod, a second door plate and a second shell bracket. The third door plate is movably connected to the main body and is positioned between the first rotating mechanism and the second rotating mechanism. When the first rotating mechanism and the second rotating mechanism rotate to be far away from each other, the third door plate moves in a second direction perpendicular to the first direction and is far away from the main body, and when the first rotating mechanism and the second rotating mechanism rotate to the first position, the third door plate is abutted with the first door plate and the second door plate and is flush in the second direction. The folding terminal can be lifted to open and close, the whole machine light and thin requirement of the folding terminal can be met, and the flexible screen of the folding terminal can be smoothly supported.

Inventors

  • SUN JIGUANG
  • ZHONG DING
  • SHEN HEWEN
  • ZHAN QIANG
  • TIAN HAIQIANG
  • JIN CHENYU

Assignees

  • 华为技术有限公司

Dates

Publication Date
20260512
Application Date
20230131

Claims (17)

  1. 1. A spindle mechanism, comprising: a main body; The rotating assembly comprises a first rotating mechanism and a second rotating mechanism, wherein the first rotating mechanism and the second rotating mechanism are distributed on two sides of the main body in a first direction, and the first rotating mechanism comprises a first swing arm, a first connecting rod, a first door plate and a first shell bracket; The third door plate is movably connected to the main body and is positioned between the first rotating mechanism and the second rotating mechanism; Wherein, the The first end of the first swing arm is rotationally connected with the main body, the first shell bracket is rotationally connected with the second end of the first swing arm, the second end of the second swing arm is rotationally connected with the main body, and the second shell bracket is rotationally connected with the second end of the second swing arm; The first door plate is fixedly connected to the first swing arm; the second door panel is fixedly connected to the second swing arm; The first end of the first connecting rod is fixedly connected with a first rotating part, the first rotating part is rotationally connected with the main body, the second end of the first connecting rod is in sliding connection with the first shell bracket, the first end of the second connecting rod is fixedly connected with a second rotating part, the second rotating part is rotationally connected with the main body, and the second end of the second connecting rod is in sliding connection with the second shell bracket; When the first and second rotating mechanisms rotate to be away from each other, the third door panel moves in a second direction and away from the main body, the second direction being perpendicular to the first direction; when the first rotating mechanism and the second rotating mechanism rotate to a first position, the third door plate is abutted with the first door plate and the second door plate and is flush in the second direction; When the first rotating mechanism and the second rotating mechanism rotate to be close to each other, the third door plate moves in the second direction and is close to the main body, and when the first rotating mechanism and the second rotating mechanism rotate to the second position, the third door plate forms a preset included angle with the first door plate and the second door plate to form an accommodating space.
  2. 2. The pivot mechanism of claim 1, wherein a first lifting portion is fixedly connected to the first rotating portion, the first lifting portion rotates with the first rotating portion when the first rotating portion rotates, a second lifting portion is fixedly connected to the second rotating portion, the second lifting portion rotates with the second rotating portion when the second rotating portion rotates, and the first lifting portion and the second lifting portion abut against the third door panel when the first lifting portion and the second lifting portion rotate to a first preset position in a process of rotating the first rotating mechanism and the second rotating mechanism to be away from each other.
  3. 3. The rotating shaft mechanism according to claim 1, wherein a third lifting portion is fixedly connected to one side of the first swing arm, which is close to the third door panel, and is rotated along with the first swing arm when the first swing arm rotates, a fourth lifting portion is fixedly connected to one side of the second swing arm, which is close to the third door panel, and is rotated along with the second swing arm when the second swing arm rotates, and the third lifting portion and the fourth lifting portion are abutted to the third door panel when the third lifting portion and the fourth lifting portion rotate to a second preset position in the process of rotating the first rotating mechanism and the second rotating mechanism to be far away from each other.
  4. 4. The rotating shaft mechanism according to claim 1, wherein a fifth lifting portion is fixedly connected to a side edge of the first door plate, which is close to the third door plate, and is rotated along with the first door plate when the first door plate rotates, a sixth lifting portion is fixedly connected to a side edge of the second door plate, which is close to the third door plate, and is rotated along with the second door plate when the second door plate rotates, and the fifth lifting portion and the sixth lifting portion are abutted against the third door plate when the fifth lifting portion and the sixth lifting portion rotate to a third preset position in a process of rotating the first rotating mechanism and the second rotating mechanism to be far away from each other.
  5. 5. The spindle mechanism as recited in claim 1 further comprising a reset mechanism; the main body is provided with a first guide hole, the reset mechanism penetrates through the first guide hole, and the reset mechanism is fixedly connected with the third door plate; The reset mechanism drives the third door panel to move in the second direction and approach the main body when the first rotating mechanism and the second rotating mechanism rotate to approach each other.
  6. 6. The spindle mechanism as recited in claim 5 wherein said reset mechanism includes a first guide post, a stop member and an elastic member; The first guide post penetrates through the first guide hole, and the first end of the first guide post is fixedly connected with the third door plate; The limiting piece is fixedly connected to the second end of the first guide post; one end of the elastic piece is connected with the limiting piece, the other end of the elastic piece is connected with the main body, and when the first rotating mechanism and the second rotating mechanism rotate to be close to each other, the elastic piece drives the limiting piece to move in the second direction and to be close to the main body so as to drive the third door plate to move in the second direction and to be close to the main body.
  7. 7. The pivot mechanism of claim 2, wherein a side edge of the third door panel adjacent to the first link is fixedly connected with a first extension portion, a side edge of the third door panel adjacent to the second link is fixedly connected with a second extension portion, and when the first lifting portion and the second lifting portion rotate to the first preset position, the first lifting portion abuts against the first extension portion, and the second lifting portion abuts against the second extension portion.
  8. 8. The pivot mechanism of claim 1, wherein the first end of the first swing arm is rotatably connected to the main body through a first arc-shaped rotating assembly, the first arc-shaped rotating assembly comprises a first arc-shaped chute and a first arc-shaped slide block, the first arc-shaped chute and the first arc-shaped slide block are respectively arranged at the first end of the first swing arm and the main body, and the first arc-shaped slide block is movably connected in the first arc-shaped chute; The first shell support and the second end of the first swing arm are rotationally connected through a second arc-shaped rotating assembly, the second arc-shaped rotating assembly comprises a second arc-shaped chute and a second arc-shaped sliding block, the second arc-shaped chute and the second arc-shaped sliding block are respectively arranged at the second end of the first swing arm and on the first shell support, and the second arc-shaped sliding block is movably connected in the second arc-shaped chute.
  9. 9. The pivot mechanism of claim 1, wherein the first end of the second swing arm is rotatably connected with the main body through a third arc-shaped rotating assembly, the third arc-shaped rotating assembly comprises a third arc-shaped chute and a third arc-shaped sliding block, the third arc-shaped chute and the third arc-shaped sliding block are respectively arranged on the first end of the second swing arm and the main body, and the third arc-shaped sliding block is movably connected in the third arc-shaped chute; The second shell support and the second end of the second swing arm are rotationally connected through a fourth arc-shaped rotating assembly, the fourth arc-shaped rotating assembly comprises a fourth arc-shaped chute and a fourth arc-shaped sliding block, the fourth arc-shaped chute and the fourth arc-shaped sliding block are respectively arranged at the second end of the second swing arm and on the second shell support, and the fourth arc-shaped sliding block is movably connected in the fourth arc-shaped chute.
  10. 10. The rotating shaft mechanism according to claim 1, wherein a first limiting chute is arranged on the first shell support, a second end of the first connecting rod is slidably connected in the first limiting chute, a second limiting chute is arranged on the second shell support, and a second end of the second connecting rod is slidably connected in the second limiting chute.
  11. 11. The spindle mechanism as recited in claim 1 further comprising a damping assembly; the damping component comprises a conjoined cam, an elastic module and a limiting bracket; The elastic module is characterized in that the limiting support is fixedly connected with the main body, the conjoined cam is arranged between the limiting support and the first connecting rod and between the limiting support and the second connecting rod in the first direction, and two ends of the elastic module are respectively abutted with the conjoined cam and the limiting support; The first rotating part, the second rotating part and the conjoined cam are provided with damping parts, when the first shell bracket and the second shell bracket rotate, the first connecting rod and the second connecting rod rotate, the first rotating part, the second rotating part and the conjoined cam rotate relatively, and the damping parts provide damping force.
  12. 12. The rotary shaft mechanism as claimed in claim 11, wherein the damping portion includes a first cam surface and a second cam surface, the first cam surface being provided on a side of the first rotating portion and the second rotating portion facing the one-piece cam, respectively, the second cam surface being provided on a side of the one-piece cam facing the first rotating portion and the second rotating portion, the first cam surface being in abutment with the second cam surface, the first cam surface sliding relatively with the second cam surface when the first link and the second link rotate, the one-piece cam sliding in the first direction and approaching or moving away from the first link and the second link.
  13. 13. The spindle mechanism as recited in claim 11 wherein the damping assembly further comprises a first limit shaft disposed along the first direction, the first and second links and the conjoined cam being coupled to the limit bracket via the first limit shaft.
  14. 14. The spindle mechanism as recited in claim 11 wherein said first rotating portion and said second rotating portion are rotatably coupled by a drive gear set; The transmission gear set comprises at least two transmission gears meshed with each other, the axial direction of the transmission gears is along the first direction, the transmission gears, close to the first rotating part, in the transmission gear set are in rotary connection with the first rotating part, and the transmission gears, close to the second rotating part, in the transmission gear set are in rotary connection with the second rotating part; The first rotating part is provided with a first circumferential surface which winds the first direction, the first circumferential surface is provided with a first toothed structure, the first toothed structure is meshed with the transmission gear, the second rotating part is provided with a second circumferential surface which winds the first direction, the second circumferential surface is provided with a second toothed structure, and the second toothed structure is meshed with the transmission gear.
  15. 15. The spindle mechanism as recited in claim 14 wherein the damping assembly further comprises a second limiting shaft disposed along the first direction, the drive gear being rotatably coupled to the second limiting shaft.
  16. 16. The hinge mechanism according to any one of claims 1 to 15, further comprising a back cover, wherein the main body is fixedly connected to the back cover, and the back cover and the third door panel are respectively located at two sides of the main body in the second direction.
  17. 17. A mobile terminal, comprising a first housing, a second housing, a flexible screen, and the spindle mechanism according to any one of claims 1 to 16; the first shell is fixedly connected with the first shell bracket, and the second shell is fixedly connected with the second shell bracket; the flexible screen is covered on the first shell, the rotating shaft mechanism and the second shell and is fixedly connected with the first shell and the second shell; When the first rotating mechanism and the second rotating mechanism rotate to the first position, the first door plate, the second door plate and the third door plate are used for supporting the flexible screen; When the first rotating mechanism and the second rotating mechanism rotate to the second position, the first door plate, the second door plate and the third door plate form the accommodating space to accommodate the flexible screen.

Description

Rotating shaft mechanism and mobile terminal Technical Field The present application relates to the field of electronic devices, and in particular, to a rotating shaft mechanism and a mobile terminal. Background In the field of mobile terminals, with consumer demands for screen size expansion, flexible folder terminals are an important trend in the development of future mobile terminals. The flexible folding terminal generally comprises a flexible screen, a rotating shaft module, a shell and other structural members, and when the whole flexible folding terminal is opened, the rotating shaft module provides damping force, and the flexible screen is bent. Under the development trend of the whole machine of the flexible folding terminal being light and thin, in order to adapt to the light and thin whole machine of the flexible folding terminal, the layout space of the rotating shaft module is compressed, so that the damping and hovering functions of the rotating shaft module are poor, and more comfortable opening and closing experience is difficult to provide in the opening and closing process of the whole machine. Disclosure of Invention The application provides a rotating shaft mechanism and a mobile terminal, which are used for increasing the layout space of a rotating shaft module. In a first aspect, the present disclosure provides a spindle mechanism that may include a main body, a rotating assembly, and a third door panel. The rotating assembly comprises a first rotating mechanism and a second rotating mechanism, the first rotating mechanism and the second rotating mechanism are distributed on two sides of the main body in the first direction, the first rotating mechanism comprises a first swing arm, a first connecting rod, a first door plate and a first shell bracket, and the second rotating mechanism comprises a second swing arm, a second connecting rod, a second door plate and a second shell bracket. The third door plate is movably connected to the main body, and the third door plate is located between the first rotating mechanism and the second rotating mechanism. The first end of the first swing arm is rotationally connected with the main body, the first shell support is rotationally connected with the second end of the first swing arm, the second end of the second swing arm is rotationally connected with the main body, and the second shell support is rotationally connected with the second end of the second swing arm. The first door plate is fixedly connected to the first swing arm, and the second door plate is fixedly connected to the second swing arm. The first end of the first connecting rod is fixedly connected with a first rotating part, the first rotating part is rotationally connected with the main body, the second end of the first connecting rod is in sliding connection with the first shell support, the first end of the second connecting rod is fixedly connected with a second rotating part, the second rotating part is rotationally connected with the main body, the second end of the second connecting rod is in sliding connection with the second shell support, when the first shell support and the second shell support rotate, the first connecting rod and the first shell support slide relatively, and the second connecting rod and the second shell support slide relatively. When the first rotating mechanism and the second rotating mechanism rotate to be far away from each other, the third door plate moves in a second direction and far away from the main body, the second direction is perpendicular to the first direction, and when the first rotating mechanism and the second rotating mechanism rotate to a first position, the third door plate is abutted with the first door plate and the second door plate and is flush in the second direction. When the first rotating mechanism and the second rotating mechanism rotate to be close to each other, the third door plate moves in the second direction and approaches the main body, and when the first rotating mechanism and the second rotating mechanism rotate to the second position, the third door plate forms a preset included angle with the first door plate and the second door plate to form an accommodating space. According to the technical scheme provided by the application, the first shell support is rotationally connected with the first swing arm, so that the first shell support and the first swing arm can provide a rotation axial direction when the flexible folding terminal is opened, and the first swing arm is rotationally connected with the main body, so that the first swing arm and the main body can also provide a rotation axial direction when the flexible folding terminal is opened. Similarly, the second housing bracket and the second swing arm may provide a rotational axis when the flexible folding terminal is opened, and the second swing arm and the main body may also provide a rotational axis when the flexible folding terminal is opened. From this, p