A dual inner folding three-fold screen, buckle plate, battery three-in-one light and thin structure

CN224841174UActive Publication Date: 2026-10-09田珉
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Patent Information

Application Number
CN202522096199.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-20
Publication Date
2026-10-09
Estimated Expiration
2035-09-20

AI Technical Summary

Technical Problem

[0002]现有的三折叠屏,多为一个内折和一个外折结构,呈“Z”形收展;而一段屏幕外折外翻外露,极易造成磨损碰撞,还存在不可遇知的违反常规操作习惯、反折折损的隐患;另外,三折重叠也比较厚重

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Abstract

A kind of dual inner folding three-fold screen, buckle, battery three-in-one light thin structure, it is by first folding carrier 1, second folding carrier 2, No. 1 hinge 3, No. 2 hinge 4, foldable screen 5 and three-fold setting composition.The No. 2 hinge 4 is located in linking No. 1 hinge 3 the other side of second folding carrier 2, and is fixed to the side of second folding carrier 2, the other end is hinged with a screen inner buckle 6.Screen inner buckle 6 is relatively thin, can be in the gap under the coincidence of first folding carrier 1 and second folding carrier 2, and has redundancy buckled in it.A screen inner buckle 6 is provided with a buckle groove 10 with bottom, and an ultrathin sheet lithium battery 11 is arranged in the buckle groove 10 to realize cross power supply.Three-folded, light and thin like straight-line mobile phone;Three-folded, it is a flat panel large screen.The utility model discloses three-folded bidirectional inner folding, screen, buckle, battery three-in-one structure form, with light and thin portable, safe and durable, reduce the characteristics of endurance anxiety.
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Description

Technical Field

[0001] A lightweight structure integrating a screen, mounting plate, and battery in a double-folding and triple-folding configuration relates to the field of electronic display terminal equipment. Background Technology

[0002] Most existing tri-fold screens have an inward fold and an outward fold structure, unfolding in a "Z" shape. However, the outward fold of the screen is exposed and easily damaged by wear and collisions. There is also the risk of unpredictable damage caused by violating conventional operating habits or folding backwards. In addition, the three folds are also quite thick and heavy.

[0003] Purpose of the invention

[0004] The purpose of this invention is to design a lightweight structure for a three-fold screen with a bidirectional inward folding design and an ultra-thin battery mounting plate. Summary of the Invention

[0005] This utility model consists of a first folding carrier 1, a second folding carrier 2, a first hinge 3, a second hinge 4, a foldable screen 5, and a three-fold configuration. The first hinge 3 connects to the first folding carrier 1 and the second folding carrier 2, guiding the foldable screen 5 to fold at angles from 0 to 180 degrees. When the first folding carrier 1 and the second folding carrier 2 are both at 0 degrees and on the same horizontal plane, the foldable screen 5 is also in a horizontal unfolded state. When both the first folding carrier 1 and the second folding carrier 2 are folded inwards at 90-degree angles towards the foldable screen 5, they are parallel and overlapping, and the foldable screen 5 also overlaps and becomes parallel. The second hinge 4 is located on the other side of the second folding carrier 2, which is connected to the first hinge 3, and is fixed to this side of the second folding carrier 2. The other end of the second hinge 4 is hinged to the third folding carrier, specifically to a specially designed inner screen plate 6, thus forming a hinged connection between the second folding carrier 2 and the inner screen plate 6. The inner panel 6 is fitted to a section of the foldable screen 5 that extends from the first folding carrier 1 and the second folding carrier 2, and its size is matched. The inner panel 6 is made of highly rigid metal or plastic material, with high molding hardness and precision, and a thickness of about 1.2 mm. The thickness of the foldable screen 5 is about 0.5 mm, and the total thickness of the inner panel 6 is between 1.5 and 1.8 mm. The unequal thickness function of the snap-fit ​​is achieved, and the difference depends on the width and thickness of the first hinge 3 between the first folding carrier 1 and the second folding carrier 2, and the second hinge 4 between the second folding carrier 2 and the inner panel 6. The thickness of hinge 3 when laid flat is slightly thicker, and the middle area, i.e., the space for screen bending, is wider than the left and right wings. Hinge 4 is relatively thinner and narrower. Therefore, the opening 7 of hinge 1 is 1.5-1.8 mm wider than the opening 8 of hinge 2. The gap between the first folding carrier 1 and the second folding carrier 2 after folding is correspondingly 1.5-1.8 mm, which is sufficient to accommodate the foldable screen 5 and the inner screen clip 6 together. The inner screen clip 6 has a raised hinge cover 9 close to hinge 4. When the first folding carrier 1 is folded in, its front end abuts the edge of the hinge cover 9 and is aligned with it. The thickness of the first folding carrier 1 is level with the height of the raised top of the hinge cover 9; at the same time, the first folding carrier 1 and the second folding carrier 2 overlap vertically, and the inner screen clip 6 is sandwiched between them. The first folding carrier 1 covers the inner screen clip 6. When folded three times, it is as thin and light as a smartphone; when unfolded three times, it becomes a large tablet screen. A rectangular recessed groove 10 with a base is cut into the inner panel 6 of the screen. A border of approximately 3 mm is left between the recessed groove 10 and the four sides of the inner panel 6. The recessed groove 10 is centered. The depth of the recessed groove 10 is approximately 1 mm. An ultra-thin sheet-like lithium battery 11 is installed. Its shape and size are proportionate to the length and width of the recessed groove 10, and its thickness is approximately 1 mm, which is equivalent to the depth of the recessed groove 10.An ultra-thin sheet lithium battery 11 can be placed in the recess 10 of the snap-on plate. A battery flange terminal 12 is formed at one corner of the ultra-thin sheet lithium battery 11. It protrudes from the long rectangular end of the ultra-thin sheet lithium battery 11 towards the second hinge 2. The battery flange terminal 12 connects to the internal cell circuit and is exposed. On one corner of the panel of the snap-on plate 6 near the second hinge 4 of the snap-on plate recess 10 inside the screen, a terminal mounting groove 13 larger than the area of ​​the battery flange terminal 12 is extended. The battery flange terminal 12 can be placed in it. At the same time, a battery recessed terminal 14 is formed. Both can be placed in the terminal mounting groove 13. The battery flange terminal 12 and the battery recessed terminal 14 are matched with each other. The battery recessed terminal 14 is internally connected to an FPC thin flexible flat cable 15. The line segment after its lead-out is close to the space under the foldable screen 5, crosses the second hinge 4 and then leads to the circuit inside the second folding carrier 2 to realize its cross-connection power supply. A cover plate 16 is provided. It covers the entire surface of the cover plate 6 inside the screen, and also covers the exposed surface of the ultra-thin sheet lithium battery 11 lying in the recess 10 of the cover plate.

[0006] This utility model features a three-fold, bi-directional inward folding structure that integrates the screen, mounting plate, and battery into one unit, making it lightweight, portable, safe, durable, and reducing battery anxiety. Attached Figure Description

[0007] Figure 1 This is the front view of this utility model.

[0008] Figure 2 This is an unfolded top view of this utility model.

[0009] Figure 3 This is an unfolded bottom view of this utility model.

[0010] Figure 4 This is a schematic diagram of the internal structure of this utility model.

[0011] Figure 5 This is an unfolded and overlapping side view of this utility model.

[0012] Figure 6 It shows the structure of the internal panel of the screen and the shape of the battery and the cover plate.

[0013] Figure 7 This is a cross-sectional view of the inner panel of the screen. Detailed Implementation

[0014] Example: This example consists of a first folding carrier 1, a second folding carrier 2, a first hinge 3, a second hinge 4, a foldable screen 5, and a three-fold configuration. The first hinge 3 connects to the first folding carrier 1 and the second folding carrier 2, guiding the foldable screen 5 to fold at angles from 0 to 180 degrees. When the first folding carrier 1 and the second folding carrier 2 are both at 0 degrees and on the same horizontal plane, the foldable screen 5 is also unfolded horizontally. When both the first folding carrier 1 and the second folding carrier 2 are folded inwards at 90-degree angles towards the foldable screen 5, they are parallel and overlapping, and the foldable screen 5 also overlaps and becomes parallel. This functionality depends on the support and torsion of the first hinge 3. The second hinge 4 is located on the other side of the second folding carrier 2, which is connected to the first hinge 3, and is fixed to this side of the second folding carrier 2. The other end of the second hinge 4 is hinged to the third folding carrier, specifically to a specially designed inner screen clip 6, thus forming a hinged connection between the second folding carrier 2 and the inner screen clip 6. The inner side of the inner screen clip 6 fits along a section of the foldable screen 5 that extends from the first folding carrier 1 and the second folding carrier 2, and its size is matched to the inner side. The inner screen clip 6 is made of highly rigid metal or plastic material, with high forming hardness, high precision, and a thickness of approximately 1.2 mm. The foldable screen 5 is approximately 0.5 mm thick, and the total thickness including the inner screen clip 6 is between 1.5 and 1.8 mm. This thinness is designed to allow it to be inserted into the gap between the first folding carrier 1 and the second folding carrier 2 within the folded foldable screen 5, achieving a lightweight and secure bidirectional inward folding effect. The difference in thickness that enables the snap-fit ​​function depends on the width and thickness of the first hinge 3 between the first folding carrier 1 and the second folding carrier 2, and the second hinge 4 between the second folding carrier 2 and the inner screen snap-fit ​​plate 6. Specifically, the first hinge 3 is slightly thicker when laid flat, and its central area (the space for screen bending) is wider from the left and right wings. The second hinge 4 is relatively thinner and narrower, with their thickness differences measured in millimeters. The relative thickness of each folding carrier when unfolded horizontally depends mainly on the hinge thickness, while the relative thickness when the two folding carriers are closed and overlapped depends mainly on the hinge width. Therefore, the opening 7 of the first hinge wing is 1.5-1.8 millimeters wider than the opening 8 of the second hinge wing. The corresponding gap between the first folding carrier 1 and the second folding carrier 2 after folding is 1.5-1.8 millimeters, which is sufficient to accommodate the foldable screen 5 and the inner screen snap-fit ​​plate 6 together. The inner screen snap-fit ​​plate 6 has a raised hinge cover 9 close to the second hinge 4. When the first folding carrier 1 is folded in, its front end abuts the edge of the hinge cover 9 and aligns with it. The thickness of the first folding carrier 1 is level with the height of the raised top of the hinge cover 9; at the same time, the first folding carrier 1 and the second folding carrier 2 overlap vertically, and the screen inner panel 6 is sandwiched between them. The first folding carrier 1 covers the top of the screen inner panel 6.On the one hand, there is redundant space, and on the other hand, the manufacturing process includes screen bezel protection measures to prevent them from rubbing against each other and causing damage to the foldable screen 5. After three folds, it is as thin and light as a mobile phone; after three folds unfold, it becomes a large tablet screen. A rectangular recess 10 with a bottom is formed within the inner panel 6 of the screen. A border of about 3 mm is left between the recess 10 and the four sides of the inner panel 6. The recess 10 is centered. The depth of the recess 10 is about 1 mm, leaving a thin bottom so as not to penetrate the inner panel 6. An ultra-thin sheet lithium battery 11 is made. Its shape and size are commensurate with the length and width of the recess 10, and its thickness is about 1 mm, which is equivalent to the depth of the recess 10. The ultra-thin sheet lithium battery 11 can be placed in the recess 10. A battery flange terminal 12 is made at one corner of the ultra-thin sheet lithium battery 11. The long rectangular end of the ultra-thin sheet lithium battery 11 protrudes towards the second hinge 2, and the battery flange terminal 12 connects to the internal cell circuit and is exposed. On a corner of the panel of the inner snap plate 6 near the snap plate groove 10 on the side of the second hinge 4, a terminal mounting groove 13 larger than the area of ​​the battery flange terminal 12 is extended. The battery flange terminal 12 can be placed in it. A battery recessed terminal 14 is also made. Both can be placed in the terminal mounting groove 13. The battery flange terminal 12 and the battery recessed terminal 14 are matched. The battery flange terminal 12 is inserted into the battery recessed terminal 14 and connected to the internal circuit of the cell. An FPC thin flexible flat cable 15 is connected inside the battery recessed terminal 14. The extended segment of the cable runs close to the space under the foldable screen 5, crosses the second hinge 4, and connects to the circuit inside the second folding carrier 2, achieving its cross-connection power supply. A snap plate cover 16 is also made. The entire surface of the inner panel 6 is covered, simultaneously pressing down on the exposed surface of the ultra-thin sheet lithium battery 11 nestled within the inner panel recess 10. A sealing film 17 is applied under the inner panel 6, covering the entire surface of the ultra-thin sheet lithium battery 11 within the inner panel recess 10, to create a smooth appearance and ensure the ultra-thin sheet lithium battery 11 is securely positioned within the inner panel recess 10. A bottom sealing film 18 is applied at the bottom of the inner panel recess 10, directly beneath the ultra-thin sheet lithium battery 11. This combined top and bottom treatment ensures the ultra-thin sheet lithium battery 11 remains securely within the inner panel recess 10, preventing displacement or friction, and also enhances the rigidity of the three-in-one structure supported by the inner panel 6.

Claims

1. A lightweight structure integrating a screen, buckle, and battery in a double-inward-folding and triple-folding configuration, comprising a first folding carrier (1), a second folding carrier (2), a first hinge (3), a second hinge (4), a foldable screen (5), and a triple-folding configuration. The first hinge (3) is responsible for connecting with the first folding carrier (1) and the second folding carrier (2), and guides the foldable screen (5) on it to bend and fold at an angle of 0-180 degrees. When the first folding carrier (1) and the second folding carrier (2) are at the same 0-degree angle and on the same horizontal plane, the foldable screen (5) on it is also in a horizontal unfolded state. When the first folding carrier (1) and the second folding carrier (2) are both folded inward towards the foldable screen (5) at a 90-degree angle, the first folding carrier (1) and the second folding carrier (2) are in a parallel and overlapping state, and the foldable screen (5) is also overlapped and in a parallel state. The realization of this function depends on the support and torsion of the first hinge (3). Its features are, The second hinge (4) is located on the other side of the second folding carrier (2) that connects to the first hinge (3), and is fixed to this side of the second folding carrier (2); the other end of the second hinge (4) is hinged to the third folding carrier, that is, hinged to a specially made screen inner plate (6), thereby forming a hinged connection between the second folding carrier (2) and the screen inner plate (6); the inside of the screen inner plate (6) is attached to a section of the foldable screen (5) that extends along the first folding carrier (1) and the second folding carrier (2), and matches its area size. The screen inner plate (6) is made of highly rigid metal or plastic material, with high forming hardness, high precision, and a thickness of about 1.2 mm; The thickness of the folding screen (5) is about 0.5 mm, and the total thickness including the inner screen plate (6) is between 1.5 and 1.8 mm. The reason for making it so thin is to allow it to be snapped into the gap between the first folding carrier (1) and the second folding carrier (2) in the folded foldable screen (5), thereby achieving a thin and safe bidirectional inward folding effect. The difference in thickness for the snapping function depends on the width and thickness of the first hinge (3) between the first folding carrier (1) and the second folding carrier (2), and the second hinge (4) between the second folding carrier (2) and the inner screen plate (6). That is, the thickness of the first hinge (3) when laid flat is slightly thicker, and the thickness of the middle area is slightly thicker. The folding space of the screen is slightly wider from the left and right wings, while the second hinge (4) is relatively thinner and narrower. Their width and thickness are measured in millimeters. The relative thickness of each folding carrier when it is unfolded in a horizontal state mainly depends on the thickness of the hinge. The relative thickness of the two folding carriers when they are closed and overlapped mainly depends on the width of the hinge. Therefore, the opening (7) of the first hinge wing is 1.5-1.8 mm wider than the opening (8) of the second hinge wing. The gap between the first folding carrier (1) and the second folding carrier (2) after folding is 1.5-1.8 mm, which is enough to accommodate the foldable screen (5) and the inner screen clip (6) together. The inner screen clip (6) is close to the second hinge (4) and has a... The raised hinge cover (9) is aligned with the edge of the hinge cover (9) after the first fold carrier (1) is folded in. The thickness of the first fold carrier (1) is the same as the height of the raised top of the hinge cover (9). At the same time, the first fold carrier (1) and the second fold carrier (2) overlap vertically, and the screen inner plate (6) is sandwiched between them. The first fold carrier (1) covers the top of the screen inner plate (6), providing redundant space and protecting the screen frame in the manufacturing process, so that they do not rub against each other and cause damage to the foldable screen (5). After three folds, it is as thin and light as a mobile phone. When unfolded, it becomes a large tablet screen.

2. The lightweight structure integrating the screen, buckle, and battery in a double-inward-folding, triple-folding configuration according to claim 1, characterized in that... A rectangular recessed groove (10) with a bottom is formed inside the inner panel (6) of the screen. A border of about 3 mm is left between the recessed groove (10) and the four sides of the inner panel (6). The recessed groove (10) is centered and the depth of the recessed groove (10) is about 1 mm, so as to leave a thin bottom and not penetrate the inner panel (6).

3. The lightweight structure integrating the screen, buckle, and battery in a double-inward-folding, triple-folding configuration according to claim 1, characterized in that... An ultra-thin sheet lithium battery (11) is provided, the shape and size of which are appropriate to the length and width of the buckle groove (10), and its thickness is about 1 mm, which is equivalent to the depth of the buckle groove (10). The ultra-thin sheet lithium battery (11) can be placed in the buckle groove (10). A battery flange terminal (12) is provided at one corner of the ultra-thin sheet lithium battery (11), which protrudes from the long rectangular end of the ultra-thin sheet lithium battery (11) and approaches the second hinge (4). The battery flange terminal (12) connects to the internal cell circuit and is exposed to the outside.

4. The lightweight structure integrating the screen, buckle, and battery in a double-inward-folding, triple-folding configuration according to claim 2, characterized in that... On one corner of the panel of the inner panel (6) near the second hinge (4) of the inner panel (10), a terminal mounting groove (13) larger than the area of ​​the battery flange terminal (12) is extended, in which the battery flange terminal (12) can be placed; at the same time, a battery recessed terminal (14) is made, and they can all be placed in the terminal mounting groove (13). The battery flange terminal (12) and the battery recessed terminal (14) match each other. The battery flange terminal (12) is inserted into the battery recessed terminal (14) and connected to the internal circuit of the battery cell; the battery recessed terminal (14) is connected to an FPC thin flexible flat cable (15). The line segment after it is led out is close to the space under the foldable screen (5), crosses the second hinge (4) and then leads to the circuit inside the second folding carrier (2) to realize its cross-type power supply.

5. The lightweight structure integrating the screen, buckle, and battery in a double-inward-folding, triple-folding configuration according to claim 2, characterized in that... A cover plate (16) is provided, which covers the entire surface of the inner cover plate (6) of the screen, and also covers the exposed surface of the ultra-thin sheet lithium battery (11) lying in the recess (10) of the cover plate.

6. The lightweight structure integrating the screen, buckle, and battery in a double-inward-folding, triple-folding configuration according to claim 5, characterized in that... On the upper part of the inner panel (6), covering the entire surface of the ultra-thin sheet lithium battery (11) placed in the inner panel groove (10), that is, a layer of sealing film (17) is applied under the inner panel cover (16) to present a flat appearance and ensure that the ultra-thin sheet lithium battery (11) is stably positioned in the inner panel groove (10); at the bottom of the inner panel groove (10), that is, under the entire ultra-thin sheet lithium battery (11), a layer of bottom sealing film (18) is applied. The same work is done on both the top and bottom to make the ultra-thin sheet lithium battery (11) stable in the inner panel groove (10) and prevent it from shifting or being rubbed. At the same time, it also helps to enhance the rigidity of the three-in-one structure based on the inner panel (6).