Hinge suitable for screen of mobile terminal

Abstract

A hinge suitable for a screen of a mobile terminal comprises a shaft, a shaft sleeve (11) connected to a substrate (1), a sliding plate (3), and a sliding driving structure, wherein the sliding driving structure comprises a driving component (3) which is connected to the shaft and cannot rotate and slide relative to the shaft, and axial sliding components (41, 42) sleeved on the shaft; the axial sliding components are connected to the driving component by means of connecting structures and can be driven to slide in the axial direction; the sliding plate is slidably connected to the substrate; the axial sliding components are connected to the sliding plate by means of a multi-stage folding connecting rod; and the sliding plate can be pushed and pulled to move back and forth in a direction perpendicular to the shaft. The hinge can also move perpendicular to the shaft in the rotating process of the sliding plate, and when the sliding plate is connected to the screen, when a screen module is rotated to open, the screen can be automatically slid to expose a secondary screen window, and when the screen module is rotated to close, the screen can be automatically slid to reset and close the secondary screen window, thereby increasing the total area of the screen under the same plane size of the screen module.

Description

A hinge suitable for mobile terminal screen Technical Field

[0001] The present invention relates to a hinge of a mobile terminal, which may be a portable electronic terminal such as a mobile phone or a notebook computer. Background Art

[0002] For portable electronic devices such as foldable phones and laptops, their screens are pivotally connected to the host module via a hinge. The screen module is roughly the same size as the host module, and the screen size is constrained by the screen module's area, often being smaller than the screen module's. Therefore, increasing the screen area requires increasing the combined dimensions of the host module and screen module.

[0003] Summary of the Invention

[0004] The purpose of the present invention is to provide a hinge suitable for a mobile terminal screen, which can move the screen by sliding during the rotation and opening of the screen module of the mobile terminal, provide a secondary screen display window, and expand the total area of ​​the screen while maintaining the same screen module plane size.

[0005] To this end, the present invention adopts the following technical solutions:

[0006] A hinge suitable for a mobile terminal screen, comprising a shaft and a shaft sleeve, wherein the shaft sleeve is connected to a base plate, and is characterized in that the hinge is also provided with a sliding plate and a sliding drive structure, wherein the sliding drive structure comprises a driving component connected to the shaft and cannot rotate or slide relative to the shaft, and an axial sliding component sleeved on the shaft, wherein the axial sliding component and the driving component are connected by a connecting structure and can be driven to slide axially, the sliding plate is slidably connected to the base plate, and the axial sliding component is connected to the sliding plate by a multi-stage folding link, and can push and pull the sliding plate to move back and forth in a direction perpendicular to the shaft.

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

[0008] The axial sliding component includes a first axial sliding component and a second axial sliding component with opposite sliding directions. The folding link adopts an X-cross rotating link that is connected in sequence and rotates in multiple stages. The ends of the two links of the first section of the X-cross rotating link are respectively rotatably connected to the first axial sliding component and the second axial sliding component, and the ends of the two links of the last section of the cross rotating link are movably connected to the sliding plate; a track groove for the extension and retraction of the folding link is provided on the base plate, and the folding link is provided with a guide component that cooperates with the track groove.

[0009] The track groove includes a middle straight groove and arc grooves symmetrically arranged on both sides of the middle straight groove.

[0010] The arcuate groove cooperates with the guide component on the rotation connection node of the first section X-cross rotating link and the second section X-cross rotating link, and the middle straight groove cooperates with the guide component set on the X-cross node.

[0011] The driving component is a component with a spiral ball groove, the axial sliding component is provided with a steel ball concave hole, the connecting structure is a steel ball, and the steel ball is connected between the steel ball concave hole and the spiral ball groove.

[0012] The lever action of the multi-stage folding connecting rod amplifies the sliding amount perpendicular to the axial direction, and obtains a larger sliding amount perpendicular to the axial direction with a smaller axial sliding amount.

[0013] The multi-stage is 2-stage, 3-stage or 4-stage.

[0014] The driving component adopts a component with opposite spiral ball grooves, the first axial sliding component and the second axial sliding component are provided with steel ball recesses, the connecting structure adopts steel balls, the steel balls are connected between the steel ball recesses and the spiral ball grooves, the component with opposite spiral ball grooves is provided with a flat shaft hole, the shaft includes a first shaft and a second shaft, the first shaft and the second shaft are connected to the component with opposite spiral ball grooves from both ends, the first axial sliding component and the second axial sliding component are respectively sleeved on the first shaft and the second shaft; the base plate is rotatably connected to the first shaft and the second shaft through shaft sleeves respectively.

[0015] The shaft sleeve is a component independent of the base plate and is connected to the base plate through a connecting structure. At least a part of the shaft sleeve is a spring-tube type shaft sleeve to clamp the shaft.

[0016] The shaft is connected to the host module of the mobile terminal, the base plate is connected to the shell of the screen module of the mobile terminal, and the sliding plate is connected to the main screen in the screen module.

[0017] Due to the technical solution of the present invention, the hinge of the present invention can also generate movement perpendicular to the axis during the rotation of the sliding plate. When the sliding plate is connected to the screen, the screen can automatically slide when the screen module rotates open, revealing the secondary screen window. When the screen module rotates closed, the screen can automatically slide back to close the secondary screen window, thereby expanding the total screen area while maintaining the same screen module planar dimensions. Furthermore, the solution adopted by the present invention has a simple structure, requires few components, can achieve a longer sliding stroke in a direction perpendicular to the axial direction, and has a reliable structure and stable support. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] FIG1 is a top view of a hinge embodiment of the present invention when the notebook computer is in a closed state.

[0019] FIG2 is a top view of the hinge embodiment of the present invention when the laptop computer is in a position where the screen is opened to a working angle.

[0020] FIG3 is an exploded view of the structure of the hinge embodiment shown in FIG1 and FIG2.

[0021] FIG4 is a schematic diagram of a partial structure of a hinge embodiment of the present invention.

[0022] FIG5 is a side view of a notebook computer using an embodiment of the hinge of the present invention in a closed state.

[0023] FIG6 is a side view of a laptop computer using the hinge embodiment of the present invention when the screen is opened to a working angle. DETAILED DESCRIPTION

[0024] Refer to the accompanying drawings. The present invention provides a hinge suitable for a mobile terminal screen, which can provide a function for the laptop screen to extend upward, reduce the size of the product, and can also be used for the screen end of a flip phone to extend, and can also be applied to a scroll screen mobile terminal. The hinge includes a shaft, a shaft sleeve 11, and the shaft sleeve is connected to the base plate 1. The hinge is also provided with a sliding plate 2 and a sliding drive structure. The sliding drive structure includes a driving component 3 connected to the shaft and cannot rotate and slide relative to the shaft, and an axial sliding component sleeved on the shaft. The axial sliding component and the driving component 3 are connected by a connecting structure and can be driven to slide axially. The sliding plate 2 is slidably connected to the base plate 1. Slide rails can be provided on both sides of the base plate 1 or the sliding plate 2. The axial sliding component is connected to the sliding plate 2 by a multi-stage folding link, and can push and pull the sliding plate 2 to move back and forth in a direction perpendicular to the axis.

[0025] Taking the application in a laptop computer as an example, the axis is connected to the host module 101 of the laptop computer (for example, fixed to the host module 101 by screws), the substrate 1 is connected to the shell 102 of the laptop computer screen module (for example, fixed by screws and glue), and the sliding plate 2 is connected to the main screen 103 in the screen module (for example, fixed by screws and glue).

[0026] The axial sliding component includes a first axial sliding component 41 and a second axial sliding component 42 with opposite sliding directions. The folding link adopts an X-cross rotating link (which can be connected by rivets) that is connected in sequence and rotated in multiple stages. In this embodiment, a three-stage X-cross rotating link is provided, which is numbered 51, 52, and 53 respectively. A two-stage or four-stage X-cross rotating link can also be provided as needed. The rotation and sliding are converted into the telescopic movement of the sliding plate 2 through the linkage group in conjunction with the track groove, and different magnifications can be achieved through the number of X-cross rotating link stages. Through the leverage of the multi-stage folding link, the sliding amount perpendicular to the axial direction is amplified, and a larger sliding amount perpendicular to the axial direction is obtained with a smaller axial sliding amount.

[0027] The ends of the two connecting rods of the first section X-cross rotating connecting rod 51 are respectively rotatably connected to the first axial sliding component 41 and the second axial sliding component 42 (which can be connected by rivets), and the ends of the two connecting rods of the last section cross rotating connecting rod 53 are movably connected to the sliding plate 2 (which can be connected to the transverse sliding groove 21 on the sliding plate by rivets); a track groove for the extension and retraction of the folding connecting rod is provided on the base plate 1, and the folding connecting rod is provided with a guide component that cooperates with the track groove.

[0028] The track groove includes a central straight groove 12 and arcuate grooves 13 symmetrically arranged on either side of the central straight groove. The arcuate groove 13 cooperates with the guide components (e.g., the rotation connection shaft 54 ​​with an extended end inserted into the arcuate groove 13) on the rotation connection node of the first X-cross rotation link 51 and the second X-cross rotation link 52, while the central straight groove 12 cooperates with the guide components (e.g., the rotation connection shaft 55 with an extended end inserted into the central straight groove 12) provided on the X-cross node.

[0029] The driving component 3 is a component with opposite spiral ball grooves 30, which are composed of two sets of ball grooves with opposite rotation directions. The first axial sliding component 41 and the second axial sliding component 42 are provided with steel ball recesses 43. The connecting structure uses a steel ball 6, which is connected between the steel ball recesses 43 and the spiral ball grooves 30. The ball groove mechanism converts the rotational motion into the axial linear reciprocating sliding of the ball retainer, that is, the two axial sliding components. The folding connecting rod is then converted into the telescopic motion of the sliding plate. At the same time, the leverage effect of the three-stage connecting rod is used to amplify the slippage. When the two axial sliding components 41 and 42 are relatively close to each other, the main screen 103 can be pushed out synchronously during rotation. When the two axial sliding components 41 and 42 are separated, the main screen 103 retracts. The spiral ball groove 30 design of the ball groove mechanism can achieve telescopic movement at different angles and different rates, can adapt to various needs, and has a simpler structure without the need for complex supporting structures.

[0030] The component with the opposing helical ball grooves 30 is provided with a flat shaft hole 31. The shaft comprises a first shaft 71 and a second shaft 72. The first shaft 71 and the second shaft 72 are connected to the component with the opposing helical ball grooves at both ends via flat shaft segments, and can further be connected using an interference fit. The first axial sliding component 41 and the second axial sliding component 42 are respectively sleeved on the first shaft 71 and the second shaft 72. The base plate 1 is rotatably connected to the first shaft 71 and the second shaft 72 via shaft sleeves 11.

[0031] The sleeve 11 can be a separate component from the base plate 1 and connected to the base plate 1 through a connection structure (such as rivets, screws or welding). At least a part of the sleeve 11 is a spring-type sleeve to clamp the first shaft 71 and the second shaft 72.

[0032] 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 this field within the field of the present invention are included in the protection scope of the present invention.

[0033] It should be noted that the terms "including" and "having" and any variations thereof in the specification and claims of the present invention and the above-mentioned drawings are intended to cover non-exclusive inclusions. The terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to the specific circumstances.

[0034] In the description of the present invention, it should be understood that terms such as "one end," "the other end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," and "right" indicate positions or locations based on those shown in the accompanying drawings. These terms are intended solely to facilitate and simplify the description of the present invention and are not intended to indicate or imply that the devices or components referred to must have, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on the present invention. The terms "first" and "second" are used solely for brevity and are not intended to indicate or imply relative importance.

Claims

1. A hinge suitable for a mobile terminal screen, comprising a shaft and a sleeve, wherein the sleeve is connected to a substrate, characterized in that The hinge is also provided with a sliding plate and a sliding drive structure, and the sliding drive structure includes a driving component connected to the shaft and cannot rotate and slide relative to the shaft, and an axial sliding component sleeved on the shaft, and the axial sliding component and the driving component are connected by a connecting structure and can be driven to slide axially, the sliding plate is slidably connected to the base plate, and the axial sliding component is connected to the sliding plate by a multi-stage folding connecting rod, so as to push and pull the sliding plate to move back and forth in a direction perpendicular to the shaft.

2. A hinge suitable for a mobile terminal screen as claimed in claim 1, characterized in that The axial sliding component includes a first axial sliding component and a second axial sliding component with opposite sliding directions. The folding link adopts an X-cross rotating link that is rotated and connected in sequence in multiple stages. The ends of the two links of the first section of the X-cross rotating link are respectively rotationally connected to the first axial sliding component and the second axial sliding component, and the ends of the two links of the last section of the cross rotating link are movably connected to the sliding plate; a track groove for the extension and retraction of the folding link is provided on the base plate, and the folding link is provided with a guide component that cooperates with the track groove.

3. A hinge suitable for a mobile terminal screen as claimed in claim 2, characterized in that The track groove comprises a middle straight groove and arc grooves symmetrically arranged on both sides of the middle straight groove.

4. A hinge suitable for a mobile terminal screen as claimed in claim 3, characterized in that The arc groove cooperates with the guide parts on the rotation connection nodes of the first section X-cross rotation link and the second section X-cross rotation link, and the middle straight groove cooperates with the guide parts set on the X-cross node.

5. A hinge suitable for a mobile terminal screen as claimed in claim 1, characterized in that The driving component is a component with a spiral ball groove, the axial sliding component is provided with a steel ball concave hole, the connecting structure is a steel ball, and the steel ball is connected between the steel ball concave hole and the spiral ball groove.

6. A hinge suitable for a mobile terminal screen as claimed in claim 1 or 2, characterized in that The sliding amount perpendicular to the axial direction is magnified through the lever action of the multi-stage folding connecting rod, so that a larger sliding amount perpendicular to the axial direction is obtained with a smaller axial sliding amount.

7. A hinge suitable for a mobile terminal screen as claimed in claim 6, characterized in that The multiple stages are 2 stages, 3 stages or 4 stages.

8. A hinge suitable for a mobile terminal screen as claimed in claim 2, characterized in that The driving component adopts a component with opposite spiral ball grooves, the first axial sliding component and the second axial sliding component are provided with steel ball recesses, the connecting structure adopts a steel ball, the steel ball is connected between the steel ball recesses and the spiral ball grooves, the component with opposite spiral ball grooves is provided with a flat shaft hole, the shaft includes a first shaft and a second shaft, the first shaft and the second shaft are connected to the component with opposite spiral ball grooves from both ends of the component with opposite spiral ball grooves, the first axial sliding component and the second axial sliding component are respectively sleeved on the first shaft and the second shaft; the base plate is rotatably connected to the first shaft and the second shaft through shaft sleeves respectively.

9. A hinge suitable for a mobile terminal screen as claimed in claim 1, characterized in that The shaft sleeve is a component independent of the base plate and is connected to the base plate through a connecting structure. At least part of the shaft sleeve is a reed-tube type shaft sleeve to clamp the shaft.

10. A hinge suitable for a mobile terminal screen as claimed in claim 1, characterized in that The shaft is connected to a host module of a mobile terminal, the base plate is connected to a housing of a screen module of the mobile terminal, and the sliding plate is connected to a main screen in the screen module.

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