Hinge of external flexible screen mobile terminal, hinge device and flexible screen mobile terminal

Abstract

The present invention provides a hinge, a hinge device and a flexible screen mobile terminal of an external flexible screen mobile terminal, wherein the hinge comprises an intermediate connector, a left external connector, a left internal connector, a right external connector and a right internal connector; the left external connector and the right external connector are respectively connected to the intermediate connector through a gear meshing connection mechanism, in which the position of the gears other than the gears on the intermediate connector relative to the gears on the intermediate connector is variable, and a sliding guide structure is provided between the left external connector and the left internal connector, between the left internal connector and the intermediate connector, between the intermediate connector and the right internal connector, and between the right internal connector and the right external connector, and a synchronization mechanism is connected between the left internal connector, the intermediate connector and the right internal connector. The present invention has a reasonable structure, and the left side housing and the right side housing of the external flexible screen mobile terminal only need to be fixedly connected to the left external connector and the right external connector, and the installation is convenient.

Description

Technical Field

[0001] The invention relates to a mobile terminal and a hinge thereof. Background Art

[0002] Flexible screen is a new type of screen. External flexible screen mobile terminal is a mobile terminal with flexible screen laid on the outside of the mobile terminal. In the past, external flexible screen hinges required a sliding connection between the housing and the hinge. Summary of the invention

[0003] The first technical problem to be solved by the present invention is to provide a hinge for an external flexible screen mobile terminal, which can be applied to a flexible screen mobile terminal and can support a structure in which a housing and a hinge are fixedly connected. To this end, the present invention adopts the following technical solutions:

[0004] A hinge for an external flexible screen mobile terminal, characterized in that it includes a middle connector, a left outer connector, a left inner connector, a right outer connector and a right inner connector, wherein the left inner connector is located between the middle connector and the left outer connector, and the right inner connector is located between the middle connector and the right outer connector;

[0005] The left outer connector and the right outer connector are connected to the intermediate connector respectively through a gear meshing connection mechanism. In the gear meshing connection mechanism, the position of the gears other than the gears on the intermediate connector relative to the gears on the intermediate connector is variable. A sliding guide structure is provided between the left outer connector and the left inner connector, between the left inner connector and the intermediate connector, between the intermediate connector and the right inner connector, and between the right inner connector and the right outer connector, so that the left outer connector, the left inner connector, the right outer connector, and the right inner connector move in a predetermined direction when the hinge is opened and folded.

[0006] The left inner connector, the middle connector and the right inner connector are connected with a synchronization mechanism, so that under the guidance of the sliding guide mechanism, the left inner connector and the left outer connector rotate synchronously with the right inner connector and the right outer connector in opposite directions.

[0007] On the basis of adopting the above technical solutions, the present invention can also adopt the following further technical solutions separately or in combination:

[0008] In the gear meshing connection mechanism between the left outer connector and the middle connector, the gears on the left outer connector and the middle connector are fixedly connected to the left outer connector and the middle connector respectively; in the gear meshing connection mechanism between the right outer connector and the middle connector, the gears on the right outer connector and the middle connector are fixedly connected to the right outer connector and the middle connector respectively.

[0009] The gear meshing connection mechanism between the left outer connecting body and the middle connecting body includes a first gear fixed on the left outer connecting body, a fourth gear fixed on the middle connecting body, and a second gear and a third gear movably connected on the left inner connecting body, and the third gear and the fourth gear can rotate relative to the left inner connecting body; the first gear, the second gear, the third gear and the fourth gear are meshed and connected in sequence; the gear meshing connection mechanism between the right outer connecting body and the middle connecting body includes an eighth gear fixed on the right outer connecting body, a fifth gear fixed on the middle connecting body, and a sixth gear and a seventh gear movably connected on the right inner connecting body, and the sixth gear and the seventh gear can rotate relative to the right inner connecting body; the fifth gear, the sixth gear, the seventh gear and the eighth gear are meshed and connected in sequence.

[0010] The synchronization mechanism includes a ninth gear, a tenth gear, an eleventh gear and a twelfth gear that are meshed and connected in sequence. The tenth gear and the eleventh gear are connected to the intermediate connecting body, and the ninth gear and the twelfth gear are connected to the left inner connecting body and the right inner connecting body respectively.

[0011] The synchronization mechanism includes a ninth gear, a tenth gear, an eleventh gear and a twelfth gear which are meshed and connected in sequence. The tenth gear, the eleventh gear and the intermediate connecting body are movably connected and can rotate relative to the intermediate connecting body. The ninth gear and the twelfth gear are respectively fixed on the left inner connecting body and the right inner connecting body; the ninth gear and the fourth gear are coaxial gears, and the twelfth gear and the fifth gear are coaxial gears.

[0012] The sliding guide mechanism includes a guide structure arranged between the left outer connector and the left inner connector, a guide structure between the left inner connector and the middle connector, a guide structure between the middle connector and the right inner connector, and a guide structure between the right inner connector and the right outer connector.

[0013] The guide structure adopts arc-shaped guide grooves and arc-shaped sliding blocks, which are respectively arranged on two relatively moving bodies.

[0014] The hinge is provided with a torsion mechanism providing rotation resistance, and the torsion mechanism is provided between the synchronization mechanism and the component in which the synchronization mechanism is provided, or the torsion mechanism is provided between the gear meshing connection mechanism and the component in which the gear meshing connection mechanism is provided.

[0015] The hinge is provided with a torsion mechanism for providing rotational resistance, and the torsion mechanism is respectively arranged between the shaft of the second gear and the left inner connecting body, between the shaft of the third gear and the left inner connecting body, between the shaft of the sixth gear and the right inner connecting body, or between the shaft of the seventh gear and the right inner connecting body.

[0016] Another object of the present invention is to provide a hinge device for an external flexible screen mobile terminal, which includes two of the above-mentioned hinges, and the middle connector, left outer connector, left inner connector, right outer connector and right inner connector of the two hinges are respectively integrated through connecting rods.

[0017] The third object of the present invention is to provide an external flexible screen mobile terminal, which is provided with the above-mentioned hinge device, and the left side shell and the right side shell of the external flexible screen mobile terminal are respectively connected to the left external connecting body and the right external connecting body.

[0018] Furthermore, the left side housing and the right side housing of the external flexible screen mobile terminal are fixedly connected to the left external connecting body and the right external connecting body respectively.

[0019] Due to the adoption of the technical solution of the present invention, the present invention has a reasonable structure, and the left and right housings of the external flexible screen mobile terminal only need to be fixedly connected to the left external connector and the right external connector, which is convenient for installation. When the present invention can be applied to mobile terminals such as mobile phones and computers, it can be used as a hinge therein and as a flexible screen support structure therein, providing support for the flexible screen on the outside of the hinge, so that the flexible screen can be freely unfolded and bent when the mobile phone or computer is opened and closed, realizing a large screen display in a small volume, and making the mobile terminal have a perfect and harmonious appearance when opened and closed. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is an exploded view of an embodiment of a mobile terminal provided by the present invention.

[0021] Figure 2 for Figure 1 Schematic diagram of the middle hinge device.

[0022] Figure 3 for Figure 1 Exploded view of the center hinge.

[0023] Figure 4 for Figure 1 Schematic diagram of the gear mesh connection side of the center hinge in the flattened state.

[0024] Figure 5 for Figure 1 Schematic diagram of the synchronization mechanism side of the center hinge in the flattened state.

[0025] Figure 6 for Figure 1 Schematic diagram of the gear meshing connection mechanism side of the center hinge in the folded state.

[0026] Figure 7 for Figure 1 Schematic diagram of the gear meshing connection mechanism side of the center hinge in the folded state. DETAILED DESCRIPTION

[0027] Referring to the accompanying drawings, the hinge of the external flexible screen mobile terminal provided by the present invention comprises an intermediate connector 1, a left external connector 21, a left internal connector 22, a right external connector 31 and a right internal connector 32. In the left and right positions, the left internal connector 22 is located between the intermediate connector 1 and the left external connector 21, and the right internal connector 32 is located between the intermediate connector 1 and the right external connector 31.

[0028] If necessary, the left inner connecting body 22 can also be composed of a plurality of movable bodies assembled in sequence. The right inner connecting body 32 can also be composed of a plurality of movable bodies assembled in sequence.

[0029] The left outer connecting body 21 and the right outer connecting body 31 are connected to the middle connecting body 1 through a gear meshing connection mechanism.

[0030] In the gear meshing connection mechanism between the left outer connecting body 21 and the middle connecting body 1, the first gear 41 and the fourth gear 44 on the left outer connecting body 21 and the middle connecting body 1 are fixedly connected to the left outer connecting body 21 and the middle connecting body 1 respectively; in the gear meshing connection mechanism between the right outer connecting body and the middle connecting body, the eighth gear 48 and the fifth gear 45 on the right outer connecting body 31 and the middle connecting body 1 are fixedly connected to the right outer connecting body 31 and the middle connecting body 1 respectively, and the first gear 41 cannot rotate relative to the left outer connecting body 21, the fourth gear 44, the fifth gear 45 relative to the middle connecting body 1, and the eighth gear 48 relative to the right outer connecting body 31. The gear between the first gear 41 and the fourth gear 44 can be movably connected to the left inner connecting body 22 and can rotate relative to the left inner connecting body 22. The gear between the fifth gear 45 and the eighth gear 48 can be movably connected to the right inner connecting body 32 and can rotate relative to the right inner connecting body 32. The above-mentioned rotation and fixed configuration can also be exactly the opposite.

[0031] The gears between the first gear 41 and the fourth gear 44 and the gears between the fifth gear 45 and the eighth gear 48 can also be arranged to be connected with other components in a guided manner, so that, as mentioned above, in the gear meshing connection mechanism, the positions of gears other than the gears on the intermediate connecting body relative to the gears on the intermediate connecting body are variable.

[0032] In the above gears, the first gear 41, the second gear 42, the third gear 43 and the fourth gear 44 are meshed and connected in sequence; the fifth gear 45, the sixth gear 46, the seventh gear 47 and the eighth gear 48 are meshed and connected in sequence, and they are symmetrically arranged one by one.

[0033] A sliding guide structure is provided between the left outer connector 21 and the left inner connector 22, between the left inner connector 22 and the middle connector 1, between the middle connector 1 and the right inner connector 32, and between the right inner connector 32 and the right outer connector 31, so that when the hinge is opened and folded, the left outer connector 21 and the left inner connector 22, the right outer connector 31 and the right inner connector 32 move in a predetermined direction, and the end point and starting point of the movement can be seen in FIG. Figure 6 and 7 The sliding guide mechanism includes a guide structure provided between the left outer connector 21 and the left inner connector 22, a guide structure between the left inner connector 22 and the intermediate connector 1, a guide structure between the intermediate connector 1 and the right inner connector 32, and a guide structure between the right inner connector 32 and the right outer connector 31. The guide structure adopts an arc-shaped guide groove 51 and an arc-shaped slider 52, which are respectively provided on two relatively moving bodies. For example, if the left inner connector 22 is provided with an arc-shaped guide groove 51, then the left outer connector 21 is provided with an arc-shaped slider 52, and vice versa.

[0034] The present invention also provides a synchronization mechanism, and the synchronization mechanism is connected between the left inner connector 22, the middle connector 1, and the right inner connector 32, so that under the guidance of the sliding guide mechanism, the left inner connector 22 and the left outer connector 21 rotate synchronously with the right inner connector 32 and the right outer connector 31 in opposite directions.

[0035] The synchronization mechanism can adopt a gear structure, a cam structure, a connecting rod structure, etc. In the present embodiment, a gear structure is adopted, including a ninth gear 61, a tenth gear 62, an eleventh gear 63 and a twelfth gear 64 which are meshed and connected in sequence, the tenth gear 62 and the eleventh gear 63 are connected to the intermediate connecting body 1, and the ninth gear 61 and the twelfth gear 64 are connected to the left inner connecting body 22 and the right inner connecting body 32 respectively.

[0036] The tenth gear 62, the eleventh gear 63 and the intermediate connecting body 1 are movably connected and can rotate relative to the intermediate connecting body, the ninth gear 61 and the twelfth gear 64 are fixed to the left inner connecting body 22 and the right inner connecting body 32 respectively, or the tenth gear 62, the eleventh gear 63 and the intermediate connecting body 1 are fixedly connected, and the ninth gear 61 and the twelfth gear 64 are movably connected to the left inner connecting body 22 and the right inner connecting body 32 respectively and can rotate relative to the left inner connecting body 22 and the right inner connecting body 32 respectively. The ninth gear 61 and the fourth gear 44 are coaxial gears, and the twelfth gear 64 and the fifth gear 45 are coaxial gears.

[0037] The hinge is provided with a torsion mechanism that provides rotation resistance to improve the operating feel, and can further cooperate to form the function of stopping rotation and positioning at any time.

[0038] The torque mechanism may be provided between a synchronization mechanism and a component on which the synchronization mechanism is provided, or the torque mechanism may be provided between components that can move relatively, such as between a gear meshing connection mechanism and a component on which the gear meshing connection mechanism is provided.

[0039] In this embodiment, the torque mechanism is respectively arranged between the shaft 420 of the second gear 42 and the left inner connector, and between the shaft 470 of the seventh gear 47 and the right inner connector. The torque mechanism includes a first component 71 connected to the left inner connector or the right inner connector, and a second component 72 connected to the shaft 420 or the shaft 470 by a flat position and rotated together, which are pressed by a spring 73 to produce a friction fit.

[0040] When applied to an external flexible screen mobile terminal, two hinges can be used, and the middle connector 1, the left external connector 21, the left internal connector 22, the right external connector 31 and the right internal connector 32 of the two hinges are connected as a whole through connecting rods 81, 82, 83, 84 and 85. Together, they can support the flexible screen 100 in the middle of the mobile terminal.

[0041] The left side casing 91 and the right side casing 92 of the external flexible screen mobile terminal are respectively provided with the left support plate and the right support plate of the flexible screen 100, and the left side casing 91 and the right side casing 92 are respectively fixedly connected to the left external connector 21 and the right external connector 31.

[0042] The above description is only a specific embodiment of the present invention, but the structural features of the present invention are not limited thereto. Any changes or modifications made by any technician in the field of the present invention are all included in the protection scope of the present invention.

Claims

1. The hinge of the external flexible screen mobile terminal is characterized by It includes a middle connector, a left outer connector, a left inner connector, a right outer connector and a right inner connector. In terms of left and right positions, the left inner connector is located between the middle connector and the left outer connector, and the right inner connector is located between the middle connector and the right outer connector. The left outer connector and the right outer connector are connected to the intermediate connector respectively through a gear meshing connection mechanism, in which the position of the gears other than the gears on the intermediate connector relative to the gears on the intermediate connector is variable, and a sliding guide mechanism is provided between the left outer connector and the left inner connector, between the left inner connector and the intermediate connector, between the intermediate connector and the right inner connector, and between the right inner connector and the right outer connector, so that the left outer connector, the left inner connector, the right outer connector and the right inner connector move in a predetermined direction when the hinge is opened and folded; A synchronization mechanism is connected between the left inner connector, the middle connector, and the right inner connector, so that under the guidance of the sliding guide mechanism, the left inner connector and the left outer connector rotate synchronously with the right inner connector and the right outer connector in opposite directions; The gear meshing connection mechanism between the left outer connecting body and the middle connecting body comprises a first gear fixed on the left outer connecting body, a fourth gear fixed on the middle connecting body, and a second gear and a third gear movably connected on the left inner connecting body, and the third gear and the fourth gear can rotate relative to the left inner connecting body; the first gear, the second gear, the third gear and the fourth gear are meshed and connected in sequence; The gear meshing connection mechanism between the right outer connecting body and the middle connecting body comprises an eighth gear fixed on the right outer connecting body, a fifth gear fixed on the middle connecting body, and a sixth gear and a seventh gear movably connected on the right inner connecting body, and the sixth gear and the seventh gear can rotate relative to the right inner connecting body; The fifth gear, the sixth gear, the seventh gear and the eighth gear are meshed and connected in sequence; The synchronization mechanism includes a ninth gear, a tenth gear, an eleventh gear and a twelfth gear which are meshed and connected in sequence. The tenth gear, the eleventh gear and the intermediate connecting body are movably connected and can rotate relative to the intermediate connecting body. The ninth gear and the twelfth gear are respectively fixed on the left inner connecting body and the right inner connecting body; the ninth gear and the fourth gear are coaxial gears, and the twelfth gear and the fifth gear are coaxial gears.

2. A hinge for an external flexible screen mobile terminal as claimed in claim 1, characterized in that The sliding guide mechanism includes a guide structure arranged between the left outer connector and the left inner connector, a guide structure between the left inner connector and the middle connector, a guide structure between the middle connector and the right inner connector, and a guide structure between the right inner connector and the right outer connector.

3. A hinge for an external flexible screen mobile terminal as claimed in claim 2, characterized in that The guide structure adopts arc-shaped guide grooves and arc-shaped sliding blocks, which are respectively arranged on two relatively moving bodies.

4. The hinge of the mobile terminal with an external flexible screen as claimed in claim 1, characterized in that The hinge is provided with a torsion mechanism providing rotation resistance, and the torsion mechanism is provided between the synchronization mechanism and the component in which the synchronization mechanism is provided, or the torsion mechanism is provided between the gear meshing connection mechanism and the component in which the gear meshing connection mechanism is provided.

5. The hinge of the mobile terminal with an external flexible screen as claimed in claim 1, characterized in that The hinge is provided with a torsion mechanism for providing rotational resistance, and the torsion mechanism is respectively arranged between the shaft of the second gear and the left inner connecting body or between the shaft of the third gear and the left inner connecting body and between the shaft of the sixth gear and the right inner connecting body or between the shaft of the seventh gear and the right inner connecting body.

6. A hinge device for an external flexible screen mobile terminal, characterized in that It comprises two hinges as claimed in claim 1, 2, 3, 4 or 5, wherein the middle connector, the left outer connector, the left inner connector, the right outer connector and the right inner connector of the two hinges are respectively connected into one body through connecting rods.

7. A mobile terminal with an external flexible screen, characterized in that It is provided with the hinge device as claimed in claim 6, and the left side housing and the right side housing of the external flexible screen mobile terminal are respectively connected to the left external connector and the right external connector.

8. The external flexible screen mobile terminal according to claim 7, characterized in that The left side housing and the right side housing of the external flexible screen mobile terminal are fixedly connected to the left external connecting body and the right external connecting body respectively.

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