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CN-116146594-B - Hinge mechanism and electronic device

CN116146594BCN 116146594 BCN116146594 BCN 116146594BCN-116146594-B

Abstract

The application discloses a hinge mechanism and electronic equipment, which belong to the field of communication equipment, wherein the hinge mechanism comprises a base, a floating support part, an elastic reset piece and a cam, the floating support part is arranged on one side of the base, which is close to a screen of the electronic equipment, and is movably connected with the base, the elastic reset piece is connected between the base and the floating support part, the cam is arranged on one side of the base, which faces the floating support part, and is abutted against the floating support part, and the cam rotates to drive the floating support part to overcome the elastic force of the elastic reset piece and move in a direction away from the base.

Inventors

  • YANG DAJUN

Assignees

  • 维沃移动通信有限公司

Dates

Publication Date
20260512
Application Date
20220908

Claims (10)

  1. 1. The hinge mechanism is applied to electronic equipment and comprises a plurality of screen supporting parts used for supporting a display screen, and two adjacent screen supporting parts are connected in a rotating way through the hinge mechanism, and is characterized by comprising a base, a floating supporting part, an elastic resetting piece and a cam, wherein the floating supporting part is arranged on one side, close to the screen of the electronic equipment, of the base, the floating supporting part is movably connected with the base, and the elastic resetting piece is connected between the base and the floating supporting part; The cam set up in the base orientation one side of floating supporting part, just the cam butt in floating supporting part, the cam rotates in order to drive floating supporting part overcomes the elastic force of elasticity restoring element and to keeping away from the direction motion of base, so that floating supporting part is for electronic equipment's display screen provides the supporting role, and when electronic equipment is in the folded condition, the cam is used for dodging floating supporting part, floating supporting part is in reset under the effect of elasticity restoring element, in order to be close to the direction motion of base is in order to provide dodging the space for electronic equipment's display screen.
  2. 2. The hinge mechanism of claim 1, wherein the outer peripheral surface of the cam includes a first driving surface and a second driving surface, each of the first driving surface and the second driving surface being configured to drive the floating support to move relative to the base, each of the first driving surface and the second driving surface being arcuate surfaces, the first driving surface and the second driving surface having different curvatures.
  3. 3. The hinge mechanism of claim 1, further comprising a drive motor drivingly connected to the cam to drive rotation of the cam.
  4. 4. A hinge mechanism according to claim 3, wherein the cam includes a convexly provided driving portion, an outer peripheral surface of the driving portion being a driving surface for driving the floating support portion to move relative to the base, a curvature of the driving surface being a fixed value; the hinge mechanism comprises a rotating connecting piece, and the rotating connecting piece is configured to be fixed relative to a screen supporting part of the electronic equipment and rotate relative to the base in the rotating direction of the cam; The drive motor is configured to drive the cam through an angle different from an angle through which the rotational connector rotates relative to the base.
  5. 5. The hinge mechanism of claim 1, further comprising an angle sensor for detecting an angle through which the screen support rotates relative to the base.
  6. 6. The hinge mechanism of claim 2, comprising a rotational connector in driving connection with the cam, the rotational connector configured to be fixed relative to a screen support of the electronic device and to rotate relative to the base in a rotational direction of the cam.
  7. 7. The hinge mechanism of claim 6, wherein the cam is an integrally formed structural member with the rotational connector.
  8. 8. The hinge mechanism of claim 7, wherein the number of elastic restoring members is plural, each elastic restoring member being connected between the floating support and the base.
  9. 9. The hinge mechanism according to claim 8, wherein the two of said rotary connectors for connecting with the adjacent two of said screen supports, respectively, are distributed along the rotational axis direction of said cams, said cams are arranged in groups in one-to-one correspondence with said elastic restoring members, and said elastic restoring members are located on one side of the corresponding cams along said rotational axis direction.
  10. 10. An electronic device comprising a display screen, a screen support and the hinge mechanism of any one of claims 1-9, wherein the screen support is rotatably connected to opposite sides of the base in the hinge mechanism, and the display screen is supported on the floating support and each of the screen supports of the hinge mechanism.

Description

Hinge mechanism and electronic device Technical Field The application belongs to the technical field of communication equipment, and particularly relates to a hinge mechanism and electronic equipment. Background In order to achieve the characteristics of portability, large display area and the like, the folding electronic equipment is increasingly popular with consumers, and the folding electronic equipment can provide a better protection effect for a display screen, so that the folding electronic equipment gradually becomes a mainstream design scheme of the folding electronic equipment. In the current internal folding electronic equipment, the fold after the display screen is folded is obvious, and the degree to which the display screen is extruded is serious, which can have a great adverse effect on the service life of the display screen. Disclosure of Invention The embodiment of the application aims to provide a hinge mechanism and electronic equipment, so as to solve the problems that a display screen in the existing inward folding electronic equipment is obvious in crease, serious in extrusion degree and short in service life. In a first aspect, an embodiment of the present application discloses a hinge mechanism, which is applied to an electronic device, where the electronic device includes a plurality of screen support portions for supporting a display screen, two adjacent screen support portions are rotatably connected by the hinge mechanism, the hinge mechanism includes a base, a floating support portion, an elastic reset member and a cam, the floating support portion is disposed on a side of the base, which is close to the screen of the electronic device, and the floating support portion is movably connected with the base, and the elastic reset member is connected between the base and the floating support portion; the cam is arranged on one side of the base facing the floating support part, and is abutted to the floating support part, and the cam rotates to drive the floating support part to overcome the elastic force of the elastic reset piece and move in a direction away from the base. In a second aspect, an embodiment of the present application discloses an electronic device, which includes a display screen, a screen support portion, and the hinge mechanism described above, wherein the two opposite sides of the base in the hinge mechanism are rotatably connected to the screen support portion, and the display screen is supported on the floating support portion and each of the screen support portions of the hinge mechanism. The embodiment of the application discloses a hinge mechanism, wherein a floating support part and a base can move relatively, a cam is arranged on one side of the floating support part, which faces the base, and an elastic reset piece is connected between the floating support part and the base, so that the distance between the floating support part and the base can be changed reciprocally under the combined action of the cam and the elastic reset piece, when the hinge mechanism is applied to an inward folding electronic device, the state of the cam and the state of the electronic device can be mutually connected, and when the electronic device is in an unfolding state, the cam can drive the floating support part to be far away from the base, so as to provide a supporting effect for the corresponding part in a display screen of the electronic device, ensure that the display screen has a good display effect. Drawings The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on the application. In the drawings: FIG. 1 is a schematic view of a hinge mechanism according to an embodiment of the present application; FIG. 2 is a schematic view of a portion of the structure of a hinge mechanism including a floating support according to an embodiment of the present application; FIG. 3 is a schematic view of an assembly between a floating support and a base in a hinge mechanism according to an embodiment of the present application; fig. 4 to 7 are schematic diagrams of a hinge mechanism according to an embodiment of the present application in different states; Fig. 8 to 11 are schematic diagrams of another hinge mechanism according to the embodiment of the present application in different states; Fig. 12 is a schematic structural view of still another hinge mechanism according to an embodiment of the present application. Reference numerals illustrate: 100-base, 110-limit groove, 210-Floating support, 220-connection, 230-threaded connection, 300-Elastic restoring piece, 400-Cam, 510-Drive motor, 520-axle, 530-rotary connection. Detailed Description The following description of the embodiments of the present application will be made clear