CN220324088U

CN220324088U - Fold line synchronous supporting structure of folding screen

Info

Publication number: CN220324088U
Application number: CN202321760574.XU
Authority: CN
Inventors: 刘海廉
Original assignee: CPT Technology Group Co Ltd
Current assignee: CPT Technology Group Co Ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-01-09
Anticipated expiration: 2033-07-06

Abstract

The utility model discloses a synchronous support structure at crease positions of a folding screen, belonging to the technical field of folding screens, which comprises a bending screen arranged at the center line of a display screen, wherein a plate is attached to and supported at the bottom of the bending screen, and the top of a support column is fixedly connected with the bottom of a support plate; the two rack-mounted gears are clamped on the left side and the right side of the support column, the rack-mounted gears on the left side and the right side are meshed with racks on the lower end of the support column for transmission, and the hinge structure for tracking and supporting can be achieved through bending of the screen, so that the situation that the flexible folding screen is not supported at the bending position is improved, the supporting force of the screen can be kept, the bending degree of the flexible folding screen can be reduced, stress concentration is avoided, the service life of the flexible folding screen is prolonged, the depth and the degree of crease generation are reduced, the time of occurrence of the crease is prolonged, and the experience of a user for watching the screen is improved.

Description

Fold line synchronous supporting structure of folding screen

Technical Field

The utility model relates to the technical field of folding screens, in particular to a synchronous supporting structure at a crease of a folding screen.

Background

With the development of display technology, OLED screen display products have begun to spread, and play an important role in small-sized and high-end products, and electronic products using flexible folding screens have also become reality in recent years due to the bendable characteristics of OLED screens. However, due to the influence of the existing materials, the flexible folding screen still leaves creases with different degrees after folding, and the width range and the depth of the creases can be different according to the habit of a user, which can bring bad use experience to the user.

In repeated frequent folding operation, the crease of the folding screen is likely to crack and damage after being used for a period of time, and the time of occurrence of the crack is different according to the different bending force of a user.

The main reason for this phenomenon is that when the mobile phone screen spreads out smoothly, the bending part is not stressed and is in a better state, and when the folding screen turns over, the folding screen bends and bulges towards the back of the machine body, the folding screen is bent and jacked up by receiving larger force, the screen is not supported, larger bending is easy to form, bending occurs for a long time, folds are generated, the folds are not supported, the bending part of the screen is expanded continuously, larger deformation is formed, and the folding screen is broken.

Based on the above, the utility model designs a synchronous supporting structure at the crease of the folding screen to solve the above problems.

Disclosure of Invention

The utility model aims to provide a synchronous support structure at a crease of a folding screen, which can improve the condition that the flexible folding screen is not supported at the bending position by following the bending of the screen, not only can keep the supporting force of the screen, but also can reduce the bending degree of the flexible folding screen, avoid stress concentration, improve the service life of the flexible folding screen, reduce the depth and degree of crease generation, prolong the occurrence time of the crease and improve the experience of a user for watching the screen.

The utility model is realized in the following way: a fold synchronous support structure for a folding screen, comprising:

the gear, the support column, the display screen and the support plate are arranged in a rack;

the display screen is of a flat plate structure, a curved screen is arranged at the center line of the display screen, and the curved screen and the display screen are of an integral structure;

the supporting plate is of a strip-shaped structure, the top of the supporting plate is flat, and the supporting plate is attached to and supported at the bottom of the curved screen;

the support column is a rack with teeth arranged on two sides, and the top of the support column is fixedly connected with the bottom of the support plate;

the two rack-mounted gears are clamped on the left side and the right side of the support column, and the rack-mounted gears on the left side and the right side are meshed with racks on the two sides of the support column for transmission;

and the whole stress structure is formed by locking the rack gear and the supporting frame below the display screen.

Further, the rack-mounted gear and the support column are arranged below the display screen, the connecting piece is arranged on the outer side of the rack-mounted gear, the outer side of the connecting piece is of a flat plate structure, and the top surface of the connecting piece is parallel to the display screen.

Further, the center lines of the supporting plates and the bending screen are parallel to each other on the same vertical plane, the supporting plates are of flat strip structures made of stainless steel, and the lengths and the widths of the supporting plates are smaller than those of the bending screen, and the difference between the lengths and the widths of the supporting plates is not more than 2mm.

Further, the support columns and the support plates are of an integral structure, and the axes of the support columns are perpendicular to the plane of the support plates;

the bottom of the supporting plate is connected and supported with a plurality of supporting columns, and the supporting columns are uniformly distributed.

Further, the display screen and the bending screen are a flexible screen which is integrated.

The beneficial effects of the utility model are as follows: 1. according to the utility model, the bending screen of the bending part in the middle of the display screen is supported by adding the supporting plate, and the whole bending screen is supported, so that the situation that the bending screen is not supported and excessively bent is avoided, and the bending screen is effectively prevented from being broken directly;

2. limiting the bending screen of the display screen through the supporting plate, and blocking the movement trend of the bending screen to the bottom continuously in repeated opening and closing operations of the bending screen, so that the condition of abnormal stress of the whole screen is effectively avoided, and the occurrence of folds is effectively prolonged or avoided;

3. the frame gear of the device is synchronously turned over with the display screen and rotated, and can also drive the support column to synchronously lift up and down, so as to stably support the curved screen, and the synchronous support avoids the condition that the support of the support plate is separated from the curved screen, so that the support plate continuously synchronously supports the curved screen, the bending degree of the display screen is relieved, and the service life of the display screen is effectively prolonged.

Drawings

The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.

FIG. 1 is a schematic view of the overall internal structure of the present utility model;

FIG. 2 is a schematic view of the meshing structure of the rack-mounted gear and the support column of the present utility model;

FIG. 3 is a schematic view of the back structure of the display screen of the present utility model;

FIG. 4 is a schematic diagram of a front structure of a display screen according to the present utility model;

fig. 5 is a schematic view of a single rack-mounted gear configuration of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1-rack gear, 11-connecting piece, 2-support column, 21-connection ring, 3-display screen, 31-bending screen and 4-support plate.

Detailed Description

Referring to fig. 1 to 5, the present utility model provides a technical solution: a fold synchronous support structure for a folding screen, comprising:

the gear 1, the support column 2, the display screen 3 and the support plate 4 are arranged in a rack;

the display screen 3 is of a flat plate structure, a curved screen 31 is arranged at the center line of the display screen 3, and the curved screen 31 and the display screen 3 are of an integral structure;

the supporting plate 4 is of a strip-shaped structure, the top of the supporting plate 4 is flat, and the supporting plate 4 is attached and supported at the bottom of the curved screen 31;

the support column 2 is a rack with teeth arranged on two sides, and the top of the support column 2 is fixedly connected with the bottom of the support plate 4;

the two rack-mounted gears 1 are clamped on the left side and the right side of the support column 2, and the rack-mounted gears 1 on the left side and the right side are meshed with racks at the lower ends of the two sides of the support column 2 for transmission;

the whole atress structure in support frame locking position of rack-mounted gear 1 and display screen 3 below can track the hinge structure of support through following the screen bending to improve the condition that flexible folding screen does not have the support in the bend, not only can keep the holding power of screen, also can reduce the degree of flexible folding screen buckling, avoid stress concentration, improve the life-span of flexible folding screen, reduce the degree of depth and the degree that the crease produced, the time that the crease appears is prolonged, improve the experience that the user watched the screen.

The frame gear 1 and the support column 2 are arranged below the display screen 3, the connecting piece 11 is arranged on the outer side of the frame gear 1, the outer side of the connecting piece 11 is of a flat plate structure, the top surface of the connecting piece 11 is parallel to the display screen 3, bending stress is carried out through the connecting piece 11, and the frame gear 1 is driven to rotate synchronously, and the structure is stable;

the center lines of the supporting plate 4 and the bending screen 31 are parallel to each other on the same vertical plane, the supporting plate 4 is of a flat strip structure made of stainless steel, the length and the width of the supporting plate 4 are smaller than those of the bending screen 31, and the difference is not more than 2mm, so that the supporting plate 4 can be kept parallel to folds of the bending screen 31 when being supported, and the folds can be stably supported;

the support column 2 and the support plate 4 are of an integral structure, and the axis of the support column 2 is perpendicular to the plane of the support plate 4;

the bottom of the supporting plate 4 is connected with and supports a plurality of supporting columns 2, the supporting columns 2 are uniformly distributed, and the supporting structure is stable, so that the supporting columns 2 stably support the supporting plate 4;

the display 3 and the curved screen 31 are a flexible screen which is an integral unit, and are a common device for folding electronic equipment, and the separation is only for convenience of description in order to distinguish the positional relationship.

In one embodiment of the utility model:

the embodiment of the utility model provides a synchronous supporting structure at the crease of a folding screen, which solves the technical problems that: 1. at present, a flexible screen is used in the production of many folding mobile phones, the folding part of the display screen 3 is repeatedly bent and closed, along with the increase of the using time, crease marks, particularly the display screen 3 with higher hardness, are easy to appear, the bending part of the display screen 3 is generally set as a bending screen 31, and the crease marks basically appear on the bending screen 31; 2. the display 3 is positioned on the shell at the back of the mobile phone so as to position the display 3, and when the bending screen 31 is bent under stress, the display 3 is easily extended outwards, and the bending stress pulls the display 3, so that each time the bending screen is bent, the display 3 is pulled by the bending screen, and the display 3 is fixed on the shell, so that mutual stress pulling is formed, and the display 3 and the bending screen 31 are easily separated from the limitation of the shell; 3. the bending screen 31 is frequently repeatedly bent and folded, the bottom of the bending screen 31 is not supported, stress concentration is easy to form, the flexible screen is also a glass bottle, the glass bottle is fragile, the bending screen 31 which is not supported can form folds on the front surface once being stressed excessively, and the back surface can be stressed more greatly, so that the glass bottle is easy to break.

The technical problems solved by the utility model are as follows: through simple structure, carry out continuous support to the crooked screen 31 of display screen 3 kink, resist the stress of crooked screen 31, effectively alleviate or avoid rupture and the crease of crooked screen 31.

The technical effects are realized as follows: 1. according to the utility model, the bending screen 31 of the bending part in the middle of the display screen 3 is supported by adding the supporting plate 4, and the bending crease lines of the whole bending screen 31 are supported, so that the situation that the bending screen 31 is not supported and excessively bent is avoided, and the bending screen is effectively prevented from being broken directly;

2. the bending screen 31 of the display screen 3 is limited through the supporting plate 4, the bending screen 31 is blocked against the movement trend of the bottom continuously in the repeated opening and closing operation of the bending screen 31, the situation that the whole display screen 3 is stressed abnormally is effectively avoided, the force downwards separated from the mobile phone shell when the display screen 3 is bent can be resisted, the situation that the whole display screen 3 in a bending state is stressed abnormally is blocked, the time of occurrence of folds on the bending screen 31 is effectively prolonged, the situation that the using state is better is avoided, and the folds of the bending screen 31 can be avoided;

3. the frame gear 1 of this device turns over in step with the display screen 3 and turns over the rotation, also can drive support column 2 and lift in step, thereby support the synchronous jacking of crooked screen 31, thereby carry out stable support to crooked screen 31, such synchronous support has avoided the circumstances that the support of fagging 4 breaks away from with crooked screen, make fagging 4 form continuous synchronous support to crooked screen 31, alleviate the crooked degree of display screen, effectively prolong the life-span of display screen, and turn over the process at whole display screen 3 and continuously support, that is no matter display screen 3 is expanded, is folded or turns over the in-process, continuously keep synchronous support, the supporting effect is good, there is not the sky window period.

4. The device has the advantages of simple structure, no other requirements, only small reserved space, independent action, no influence of other parts of the mobile phone, small structure, convenient installation and avoidance of the originally small space inside the mobile phone, and can be also suitable for various folding display equipment.

The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows:

in order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

When the utility model is manufactured, the rack-mounted gear 1, the support column 2, the display screen 3 and the support plate 4 are required to be manufactured and assembled;

the display screen 3 is of a flat plate-shaped structure, a curved screen 31 is arranged at the center line of the display screen 3, and the curved screen 31 and the display screen 3 are of an integral structure; the display 3 is a flexible screen integral with the curved screen 31. From the front display view of the display screen 3, the curved screen 31 is in a strip structure, the display screen 3 is divided into two different pieces through the curved screen 31, which is just a display state, and in fact, the display screen 3 and the curved screen 31 are a complete screen, and the curved screen 31 is a curved crease of the display screen 3.

The supporting plate 4 is of a strip-shaped structure, and the supporting plate 4 is attached and supported at the bottom of the curved screen 31; the central lines of the supporting plate 4 and the bending screen 31 are parallel to each other on the same vertical plane, the supporting plate 4 is of a flat strip structure made of stainless steel, the length and the width of the supporting plate 4 are smaller than those of the bending screen 31, the difference is not more than 2mm, namely, the width of the short side of the supporting plate 4 is smaller than that of the bending screen 31 by 1mm, and the supporting plate 4 can cover the width of a crease and can completely support the crease with most concentrated bending stress when the bending screen 31 is folded as long as the supporting plate 4 does not collide with other parts; the length of the long side of the supporting plate 4 is optimal to cover the bending screen 31 completely, so long as the supporting plate does not extend out of the mobile phone shell, the more complete the long side is, the better the supporting force is, and the more complete the bending screen 31 is protected.

The support column 2 is a rack with teeth arranged on both sides, and the top of the support column 2 is fixedly connected with the bottom of the support plate 4; the support column 2 and the support plate 4 are of an integral structure, and the axis of the support column 2 is vertical to the plane of the support plate 4; the bottom of the supporting plate 4 is connected with and supports a plurality of supporting columns 2, the supporting columns 2 are uniformly distributed, the number of the supporting columns 2 can be customized according to the width of the folding part of the display screen 3, and the supporting plates can be set according to requirements and are generally uniformly arranged, so that the supporting force is more uniform.

The gear of rack-mounted gear 1 has only laid the tooth with support column 2 stroke cooperation cambered surface, and rack-mounted gear 1 does not lay the meshing tooth with support column 2 incoherent one side, avoid rack-mounted gear 1 to interfere with other parts of cell-phone, rack-mounted gear 1 and support column 2 all set up in display screen 3 below, rack-mounted gear 1's the outside has set up link member 11, link member 11 is flat structure, link member 11's top surface is parallel with display screen 3, and rack-mounted gear 1's rotation direction and the plane mutually perpendicular that display screen 3 is located, two rack-mounted gears 1 centre gripping are in the left and right sides of support column 2, the straight-bar of support column 2, the upper half is smooth straight-bar, the lower half is the rack, rack-mounted gear 1 of left and right sides all meshes the transmission with the tooth of support column 2 lower extreme rack.

The support column 2 lower extreme can set up the guide sleeve, is convenient for keep vertical with the support column spacing, ensures that support column 2 vertical lift can, unlimited structure, as long as make support column 2 keep vertical can, and do not have the guide sleeve, as long as support column 2 centre gripping is stable between rack-mounted gear 1, also can keep vertical steady support.

The connecting ring 21 is the butt joint of the support column 2 and the support plate 4, the support column 2 and the support plate 4 can be welded, the whole structure can be formed during manufacturing, and the top of the support column 2 can be a cylinder or a square long bar structure.

The connecting piece 11 and the display screen 3 are fixed into an integral stress structure, the display screen 3 is fixedly connected with the bottom shell, the connecting piece 11 is connected with the bottom shell to rotate synchronously, the connecting piece 11 and the display screen 3 can rotate synchronously, and the bottom of the support column 2 is not contacted with the outer shell.

And the whole stress structure of the locking position of the support gear 1 and the mobile phone shell support frame below the display screen 3.

When the display screen 3 is in an unfolding state, the support columns 2 are lifted to provide supporting force for the support plates 4, when the display screen 3 starts to fold, the connecting pieces 11 are driven to turn over, so that the rack-mounted gears 1 also rotate, the display screens 3 on two sides of the curved screen 31 turn over together, the two connecting pieces 11 turn over together, so that the rack-mounted gears 1 on two sides of the support columns 2 rotate together, the meshed teeth push racks of the support columns 2 downwards in a meshed manner, the support plates 4 synchronously lower, a space is reserved for bending the curved screen 31, synchronous support is maintained, the largest point of bending stress can be propped up to form complete supporting force, after the two sides of the display screen 3 turn over and are attached, the curved screen 31 is bent to the largest extent, at the moment, the support columns 2 support folding marks, the bending screen 31 is prevented from being stressed too much, the whole support plates 4 are parallel to the curved screen 31 in the unfolding state, and the folding marks can be continuously and synchronously supported.

Likewise, when the display screen 3 is in a folded state, the connector 11 is folded together in a following manner when the display screen is turned over and unfolded, the support column 2 is jacked up upwards through the rack gears 1 on two sides, the bending screen 31 in a flattened state is supported, the flexible bending screen 31 is prevented from being extruded by the folded and unfolded display screen 3, stable support is formed, and the stress concentration state is effectively relieved.

The folding display screen 3 support device has the advantages that the structure is simple, the folding display screen 3 support device can be applied to various different devices, the occupied space is small, any electronic control is not needed, the use is simple, the synchronous support can be kept as long as the matching positions of the racks and the gears are adjusted, and the support effect is good.

While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.

Claims

1. A synchronous support structure at a crease of a folding screen, comprising: the display screen comprises a rack gear (1), a support column (2), a display screen (3) and a support plate (4);

the display screen (3) is of a flat plate structure, a curved screen (31) is arranged at the center line of the display screen (3), and the curved screen (31) and the display screen (3) are of an integral structure;

the supporting plate (4) is of a strip-shaped structure, the top of the supporting plate (4) is flat, and the supporting plate (4) is attached and supported at the bottom of the bending screen (31);

the support column (2) is a rack with teeth arranged on two sides, and the top of the support column (2) is fixedly connected with the bottom of the support plate (4);

the two rack-mounted gears (1) are clamped on the left side and the right side of the support column (2), and the rack-mounted gears (1) on the left side and the right side are meshed with racks on the two sides of the support column (2) for transmission;

and the support frame below the rack gear (1) and the display screen (3) are locked to form a position integral stress structure.

2. A synchronous support structure at folds of a folding screen according to claim 1, characterized in that: the rack-mounted gear (1) and the support column (2) are arranged below the display screen (3), the connecting piece (11) is arranged on the outer side of the rack-mounted gear (1), the outer side of the connecting piece (11) is of a flat plate structure, and the top surface of the connecting piece (11) is parallel to the display screen (3).

3. A synchronous support structure at folds of a folding screen according to claim 1, characterized in that: the center lines of the supporting plates (4) and the bending screen (31) are parallel to each other on the same vertical plane, the supporting plates (4) are of flat strip structures made of stainless steel, and the lengths and the widths of the supporting plates (4) are smaller than those of the bending screen (31), and the difference is not more than 2mm.

4. A synchronous support structure at folds of a folding screen according to claim 1, characterized in that: the support column (2) and the support plate (4) are of an integral structure, and the axis of the support column (2) is perpendicular to the plane of the support plate (4);

the bottom of the supporting plate (4) is connected with and supports a plurality of supporting columns (2), and the supporting columns (2) are uniformly distributed.

5. A synchronous support structure at folds of a folding screen according to claim 1, characterized in that: the display screen (3) and the bending screen (31) are a flexible screen which is integrated.