CN112855743B - 360-degree folding hinge for flexible screen - Google Patents
360-degree folding hinge for flexible screen Download PDFInfo
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- CN112855743B CN112855743B CN202110190378.2A CN202110190378A CN112855743B CN 112855743 B CN112855743 B CN 112855743B CN 202110190378 A CN202110190378 A CN 202110190378A CN 112855743 B CN112855743 B CN 112855743B
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- rotating shaft
- concave
- flexible screen
- group
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/12—Pivotal connections incorporating flexible connections, e.g. leaf springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention discloses a 360-degree folding hinge for a flexible screen, which comprises at least one hinge group arranged in series; the hinge group comprises a rotating shaft group consisting of at least more than three rotating shafts which are arranged side by side in parallel at intervals, length compensation mechanisms symmetrically arranged on two sides of the rotating shaft group, a synchronous gear group arranged between the rotating shaft group or between the rotating shaft group and the length compensation mechanisms, a concave-convex gear group sleeved on the rotating shaft group and an elastic component sleeved on the rotating shaft group. The invention can realize 360-degree traceless folding of the inside and outside of the flexible screen, protects the screen when the flexible screen is folded inwards, realizes 2-time large screen visual enjoyment when the flexible screen is flattened, and is convenient for mobile display when the flexible screen is folded outwards; the self-adaptive length compensation design is adopted, the flexible screen length change is automatically adapted in the 360-degree bending process, and the special angle locking function is realized.
Description
Technical Field
The invention relates to the field of hinges, in particular to a 360-degree folding hinge for a flexible screen.
Background
With the development of technology, the appearance of mobile electronic devices has changed tremendously, with flexible screens being of great interest due to their unique characteristics and great potential. Compared with the traditional screen, the flexible screen has the characteristics of strong flexibility and bending, can lighten the accidental damage degree of equipment, and has the durability far higher than other screens. And moreover, the flexible screen provides a new interaction mode based on the bendable characteristic for the user, so that more requirements of the user on the electronic equipment can be met.
The flexible screen is mainly folded by a folding hinge inside. However, the existing folding hinge can only meet the requirement of folding in the direction corresponding to the inward folding or the outward folding of the flexible screen, and the hinge structure of the two folding modes is not universal. Namely, the existing folding hinge of the flexible screen can only realize a rotation angle of 180 degrees, so that the development of the flexible screen is limited, and the performance and the function expansion of the flexible screen are not facilitated. Accordingly, there is a need for a folding hinge that enables 360 ° folding rotation.
Disclosure of Invention
In order to solve the technical problems, the invention provides a 360-degree folding hinge for a flexible screen, which realizes 360-degree bidirectional rotation folding of the flexible screen and specific angle locking by improving the structure of the folding hinge, and solves the problems that the existing folding hinge cannot realize 360-degree folding rotation of the flexible screen, has poor stability and unsatisfactory using effect.
In order to achieve the above purpose, the technical scheme of the invention is as follows: a 360 ° folding hinge for a flexible screen comprising at least one set of hinges arranged in series; the hinge group includes:
a rotating shaft group consisting of at least three rotating shafts arranged in parallel at intervals;
length compensation mechanisms symmetrically arranged at two sides of the rotating shaft group; the length compensation mechanism is movably arranged in the axial direction perpendicular to the rotating shaft group and is elastically limited by an elastic fixing piece;
a synchronous gear set installed between the rotating shaft groups or between the rotating shaft groups and the length compensation mechanism; the synchronous gear set enables the rotating shaft set and the length compensation mechanism to synchronously move;
the concave-convex wheel set is sleeved on the rotating shaft set; the concave-convex wheel group comprises a plurality of first concave-convex cams; the first concave-convex wheel is sleeved on the adjacent rotating shafts of the rotating shaft group; the two adjacent first concave-convex cams are sleeved on the same rotating shaft, are arranged and installed adjacently along the axial direction of the same rotating shaft in the rotating shaft group, and the two contact end surfaces of the two adjacent first concave-convex cams are correspondingly provided with matched tooth shapes which undulate along the axial direction of the rotating wheel group;
and an elastic component sleeved on the rotating shaft group; the elastic component provides elastic pressure along the axial direction of the rotating shaft group, so that the first concave-convex wheel and the second concave-convex wheel elastically abut.
As a preferable scheme of the invention, the rotating shaft group comprises a plurality of rotating shafts in singular number, including a central rotating shaft positioned in the middle and a plurality of side rotating shafts symmetrically arranged at two sides of the central rotating shaft.
As a preferred aspect of the present invention, the synchronizing gear set includes a first linking gear and a second linking gear; the length compensation mechanism, the middle rotating shaft and the side rotating shafts are arranged in parallel to form a shaft array formed by a plurality of shaft pieces, and the first linking gear and the second linking gear are respectively connected with two adjacent shaft pieces; the first link gears are sequentially arranged, the second link gears are sequentially arranged, and the first link gears and the second link gears are staggered; teeth are arranged at the end parts of the first linking gear and the second linking gear; the adjacent first link gears are meshed through the teeth and synchronously rotate; and the adjacent second link gears are meshed through the teeth and synchronously rotate.
As a preferable scheme of the invention, the center rotating shaft and the side rotating shafts are sleeved with single-shaft gears; adjacent single-shaft gears are meshed with each other and synchronously rotate.
As a preferable scheme of the invention, a positioning sliding seat is axially connected with the central rotating shaft; the positioning sliding seat is provided with a positioning sliding groove perpendicular to the central rotating shaft; synchronous sliding blocks are movably sleeved on the two side rotating shafts adjacent to the central rotating shaft; the synchronous sliding block is connected with the two side rotating shafts; the synchronous sliding block is movably clamped in the positioning sliding groove and moves along the positioning sliding groove.
As a preferable scheme of the invention, the hinge groups are multiple groups, and the hinge groups are connected through the bobbin sleeve.
As a preferable mode of the invention, the elastic component is a spring; one end of the spring is fixed through the clamp spring, and the other end of the spring pushes the concave-convex wheel set.
As a preferable mode of the invention, the concave-convex wheel group further comprises a second concave-convex wheel; one end of the second concave-convex wheel is connected with the length compensation mechanism, and the other end of the second concave-convex wheel is sleeved on the side rotating shaft adjacent to the length compensation mechanism.
As a preferable scheme of the invention, the length compensation mechanism comprises an elastic movable seat, a tension spring and a movable seat; the elastic moving seat is matched with a linear limiting piece which is fixedly arranged, and the linear limiting piece limits the elastic moving seat to move along the axial direction perpendicular to the rotating shaft group; tension springs are arranged at two ends of the elastic movable seat and are connected with the movable seat; the movable seat, the second concave cam and the synchronous gear set.
As a preferable scheme of the invention, one ends of the central rotating shaft and the side rotating shafts are fixedly provided with movable packaging heads; a rotary plug-in part and a rotary groove are arranged on the movable packaging head; the rotary plug-in part of the movable packaging head is inserted into the rotary groove of the adjacent movable packaging head; the adjacent movable encapsulation heads rotate relatively, and the movable encapsulation heads are mutually fixed along the axial direction of the rotating shaft group.
Through the technical scheme, the beneficial effects of the technical scheme are as follows: the invention is used as a core mechanism of the flexible screen, can realize 360-degree traceless folding of the inside and outside of the flexible screen, protects the screen when the flexible screen is folded inwards, realizes 2-time large screen visual enjoyment when the flexible screen is flattened, and is convenient for mobile display when the flexible screen is folded outwards; the invention adopts a self-adaptive length compensation design, and automatically adapts to the length change of the flexible screen in the 360-degree bending process; meanwhile, the elastic component enables the hinge to have continuous and stable torsion in the rotating process, and the elastic component is matched with the concave-convex wheel set to have a specific angle locking function.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 and 3 are schematic views of the structure of the present invention mounted on a flexible screen.
Fig. 4 is a schematic view of the mounting structure of the present invention.
Fig. 5 is a schematic view of a partial structure of the present invention.
Corresponding part names are indicated by numerals and letters in the drawings:
1. rotating shaft group 2, synchronous gear group 3, concave-convex gear group
4. Length compensation mechanism 5, elastic component 6, movable packaging head
7. Spool sleeve 8, center shaft 9, side shaft
10. A movable seat 11, a first concave-convex wheel 12 and a second concave-convex wheel
13. First linking gear 14, second linking gear 15, synchronous slide block
16. Positioning slide seat 17. Single shaft gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
With reference to fig. 1-5, the present invention discloses a 360 ° folding hinge for a flexible screen, comprising at least one series arrangement of hinge sets. The hinge is respectively connected with the two rotating ends, so that 360-degree rotation of the inner side and the outer side of the two rotating ends is realized, and specific reference can be made to fig. 2 and 3. In order to increase the stability during rotation, the hinge groups may be provided with 2-6 groups. The hinge groups can be connected through a spool sleeve 7.
The hinge group comprises a rotating shaft group 1, a length compensation mechanism 4, a synchronous gear set 2, a concave-convex wheel group 3 and an elastic component 5. The rotating shaft group 1 provides a plurality of rotating axes of synchronous motion in the rotating process for the hinge group. The length compensation mechanism 4 provides length compensation for the bending position, and realizes traceless bending of the flexible screen. The synchronous gear set 2 is a core action cooperative part and realizes synchronous movement among the rotation axes of the rotating shaft set 1. The concave-convex wheel set 3 is matched with the elastic component, so that the hinge set can continuously rotate and damp, the locking function of a specific angle is realized, the locking can be realized when the hinge set rotates at any angle, the flexible screen is prevented from shaking, and the stability is improved.
Specifically, the rotating shaft group 1 is of a multi-shaft structure and is composed of at least more than three rotating shafts 1 which are arranged side by side in parallel at intervals, and multi-shaft synchronous rotation is realized in the rotation process. Preferably, the rotating shaft group 1 includes a single number of rotating shafts, including a central rotating shaft 8 in the middle, and a plurality of side rotating shafts 9 symmetrically disposed at two sides of the central rotating shaft 8.
Referring to fig. 4, the length compensation mechanisms 4 are symmetrically disposed at two sides of the rotating shaft set 1. The length compensation mechanism 4 is movably arranged in the axial direction perpendicular to the rotating shaft group 1 and is elastically limited by an elastic fixing piece. Preferably, the length compensation mechanism 4 comprises an elastic moving seat, a tension spring and a movable seat 10. The elastic moving seat is matched with a linear limiting piece which is fixedly arranged, and the linear limiting piece limits the elastic moving seat to move along the axial direction of the vertical rotating shaft group 1. Specifically, the linear limiting part can be of an existing structure such as a chute or a sliding rail, and only the linear movement limiting can be realized. Tension springs are installed at both ends of the elastic moving seat and connected with the movable seat 10. The movable seat 10 is connected with the second concave cam 12 and the synchronous gear set 2. When the hinge group rotates, the length compensation mechanism 4 can realize length compensation, so that the surface of the flexible screen is smooth and seamless.
The synchronous gear set 2 is installed between the rotating shaft sets 1 or between the rotating shaft sets 1 and the length compensating mechanism 4. The synchronous gear set 2 synchronously moves the rotating shaft set 1 and the length compensating mechanism 4. Specifically, in connection with fig. 5, the synchronizing gear set 2 includes a first linking gear 13 and a second linking gear 14; the length compensation mechanism 4, the middle rotating shaft and the side rotating shafts 9 are arranged in parallel to form a shaft array formed by a plurality of shaft elements, and the first linking gear 13 and the second linking gear 14 are respectively connected with two adjacent shaft elements; the first linking gears 13 are sequentially arranged, the second linking gears 14 are sequentially arranged, and the first linking gears 13 and the second linking gears 14 are staggered. Teeth are provided at both ends of the first linking gear 13 and the second linking gear 14. The adjacent first linking gears 13 are synchronously rotated by tooth meshing. The adjacent second linking gears 14 are synchronously rotated by tooth meshing. In order to improve stability in the rotation process, a single-shaft gear 17 is sleeved on both the central rotating shaft 8 and the side rotating shafts 9; adjacent single-shaft gears 17 are engaged with each other and rotated synchronously. In order to make the two sides of the central rotating shaft 8 symmetrically and synchronously rotate, a positioning sliding seat 16 is axially connected with the central rotating shaft 8. The positioning sliding seat 16 is provided with a positioning sliding groove vertical to the central rotating shaft 8. Synchronous sliding blocks 15 are movably sleeved on the rotating shafts 9 at two side edges adjacent to the central rotating shaft 8. The synchronous slide block 15 is connected with the rotating shafts 9 at the two sides. The synchronous slide block 15 is movably clamped in the positioning slide groove and moves along the positioning slide groove.
The concave-convex wheel group 3 is sleeved on the rotating shaft group 1. The cam group 3 includes a plurality of first cams 11. The first concave-convex wheel 11 is sleeved on the adjacent rotating shafts of the rotating shaft group 1. Two adjacent first concave-convex cams 11 are sleeved on the same rotating shaft, are arranged adjacently along the axial direction of the same rotating shaft in the rotating shaft group 1, and are correspondingly provided with matching tooth shapes which undulate along the axial direction of the rotating wheel group on two contact end surfaces of the adjacent first concave-convex cams 11. With reference to fig. 5, the cam group 3 preferably further comprises a second cam 12; one end of the second concave-convex wheel 12 is connected with the length compensation mechanism 4, and the other end is sleeved on the side rotating shaft 9 adjacent to the length compensation mechanism 4.
The elastic component 5 is sleeved on the rotating shaft group 1. The elastic component 5 provides elastic pressure along the axial direction of the rotating shaft group 1, so that the first concave-convex wheel 11 and the second concave-convex wheel 12 elastically abut. Specifically, the elastic component 5 is a spring; one end of the spring is fixed through the clamp spring, and the other end of the spring pushes the concave-convex wheel set 3.
In order to package the end part of the hinge group and simultaneously perform axial limiting, a movable packaging head 6 is fixedly arranged at one end of a central rotating shaft 8 and one end of a side rotating shaft 9. A rotary plug-in part and a rotary groove are arranged on the movable packaging head 6. The rotary plug-in part of the movable encapsulation head 6 is inserted into the rotary groove of the adjacent movable encapsulation head 6. The adjacent movable encapsulation heads 6 relatively rotate, and the movable encapsulation heads 6 are mutually fixed along the axial direction of the rotating shaft group 1.
Through the specific embodiment, the beneficial effects of the invention are as follows: the invention is used as a core mechanism of the flexible screen, can realize 360-degree traceless folding of the inside and outside of the flexible screen, protects the screen when the flexible screen is folded inwards, realizes 2-time large screen visual enjoyment when the flexible screen is flattened, and is convenient for mobile display when the flexible screen is folded outwards; the invention adopts a self-adaptive length compensation design, and automatically adapts to the length change of the flexible screen in the 360-degree bending process; meanwhile, the elastic component 5 enables the hinge to have continuous and stable torsion in the rotating process, and is matched with the concave-convex wheel set 3, so that the hinge has a specific angle locking function.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. A 360 ° folding hinge for a flexible screen comprising at least one set of hinges arranged in series; the hinge group includes:
a rotating shaft group consisting of at least three rotating shafts arranged in parallel at intervals;
length compensation mechanisms symmetrically arranged at two sides of the rotating shaft group; the length compensation mechanism is movably arranged in the axial direction perpendicular to the rotating shaft group and is elastically limited by an elastic fixing piece;
a synchronous gear set installed between the rotating shaft groups or between the rotating shaft groups and the length compensation mechanism; the synchronous gear set enables the rotating shaft set and the length compensation mechanism to synchronously move;
the concave-convex wheel set is sleeved on the rotating shaft set; the concave-convex wheel group comprises a plurality of first concave-convex cams; the first concave-convex wheel is sleeved on the adjacent rotating shafts of the rotating shaft group; the two adjacent first concave-convex cams are sleeved on the same rotating shaft, are arranged and installed adjacently along the axial direction of the same rotating shaft in the rotating shaft group, and the two contact end surfaces of the adjacent first concave-convex cams are correspondingly provided with matched tooth shapes which undulate along the axial direction of the rotating shaft group;
and an elastic component sleeved on the rotating shaft group; the elastic component provides elastic pressure along the axial direction of the rotating shaft group so that the first concave-convex wheel and the second concave-convex wheel elastically abut against each other;
the concave-convex wheel group further comprises a second concave-convex wheel; one end of the second concave-convex wheel is connected with the length compensation mechanism, and the other end of the second concave-convex wheel is sleeved on a side rotating shaft adjacent to the length compensation mechanism.
2. The 360 ° folding hinge for a flexible screen according to claim 1, wherein the rotation shaft group includes a single number of rotation shafts including a center rotation shaft located in the middle and a plurality of side rotation shafts symmetrically disposed at both sides of the center rotation shaft.
3. The 360 ° folding hinge for a flexible screen of claim 2, wherein the synchronizing gear set comprises a first linking gear and a second linking gear; the length compensation mechanism, the middle rotating shaft and the side rotating shafts are arranged in parallel to form a shaft array formed by a plurality of shaft pieces, and the first linking gear and the second linking gear are respectively connected with two adjacent shaft pieces; the first link gears are sequentially arranged, the second link gears are sequentially arranged, and the first link gears and the second link gears are staggered; teeth are arranged at the end parts of the first linking gear and the second linking gear; the adjacent first link gears are meshed through the teeth and synchronously rotate; and the adjacent second link gears are meshed through the teeth and synchronously rotate.
4. A 360 ° folding hinge for a flexible screen according to claim 3 wherein a single axis gear is sleeved on both the center and side axes; adjacent single-shaft gears are meshed with each other and synchronously rotate.
5. A 360 ° folding hinge for a flexible screen according to claim 3, wherein a positioning slide seat is connected axially to the central spindle; the positioning sliding seat is provided with a positioning sliding groove perpendicular to the central rotating shaft; synchronous sliding blocks are movably sleeved on the two side rotating shafts adjacent to the central rotating shaft; the synchronous sliding block is connected with the two side rotating shafts; the synchronous sliding block is movably clamped in the positioning sliding groove and moves along the positioning sliding groove.
6. The 360 ° folding hinge for a flexible screen of claim 5 wherein the hinge sets are multiple sets, the hinge sets being connected by a bobbin case.
7. The 360 ° folding hinge for a flexible screen of claim 5 wherein the elastic component is a spring; one end of the spring is fixed through the clamp spring, and the other end of the spring pushes the concave-convex wheel set.
8. The 360 ° folding hinge for a flexible screen of claim 7, wherein the length compensation mechanism comprises a resilient moving seat, a tension spring, and a movable seat; the elastic moving seat is matched with a linear limiting piece which is fixedly arranged, and the linear limiting piece limits the elastic moving seat to move along the axial direction perpendicular to the rotating shaft group; tension springs are arranged at two ends of the elastic movable seat and are connected with the movable seat; the movable seat, the second concave cam and the synchronous gear set.
9. The 360 ° folding hinge for a flexible screen of claim 4 wherein a movable encapsulation head is fixedly mounted at one end of the center and side pivots; a rotary plug-in part and a rotary groove are arranged on the movable packaging head; the rotary plug-in part of the movable packaging head is inserted into the rotary groove of the adjacent movable packaging head; the adjacent movable encapsulation heads rotate relatively, and the movable encapsulation heads are mutually fixed along the axial direction of the rotating shaft group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110190378.2A CN112855743B (en) | 2021-02-18 | 2021-02-18 | 360-degree folding hinge for flexible screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110190378.2A CN112855743B (en) | 2021-02-18 | 2021-02-18 | 360-degree folding hinge for flexible screen |
Publications (2)
| Publication Number | Publication Date |
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| CN112855743A CN112855743A (en) | 2021-05-28 |
| CN112855743B true CN112855743B (en) | 2023-09-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110190378.2A Active CN112855743B (en) | 2021-02-18 | 2021-02-18 | 360-degree folding hinge for flexible screen |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113645331B (en) * | 2021-08-12 | 2023-06-09 | 武汉天马微电子有限公司 | Foldable display device |
| CN114241913B (en) | 2021-12-21 | 2023-06-16 | 湖北长江新型显示产业创新中心有限公司 | Bendable display module and display device |
| CN117579728A (en) * | 2022-08-08 | 2024-02-20 | 安费诺飞凤(安吉)通信部品有限公司 | Hinge of flexible screen mobile terminal |
| CN117768563A (en) * | 2022-09-19 | 2024-03-26 | 安费诺飞凤(安吉)通信部品有限公司 | Hinge of folding flexible screen mobile terminal |
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| TWM555108U (en) * | 2017-09-08 | 2018-02-01 | Lian Hong Art Co Ltd | Multi-segment type torsion control pivot device |
| CN108874048A (en) * | 2018-08-10 | 2018-11-23 | 昆山玮硕恒基智能科技股份有限公司 | Folding screen shaft and Folding screen electronic equipment |
| CN110701176A (en) * | 2019-10-29 | 2020-01-17 | 天津华众鑫五金制品有限公司 | Flexible screen rotating structure and flexible screen |
| CN111706604A (en) * | 2020-07-08 | 2020-09-25 | 拓米(成都)应用技术研究院有限公司 | Folding hinge mechanism capable of carrying small-size flexible screen and folding equipment |
| CN112153195A (en) * | 2020-09-29 | 2020-12-29 | 东莞市环力智能科技有限公司 | 360 gear train hinge and mobile terminal |
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2021
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM555108U (en) * | 2017-09-08 | 2018-02-01 | Lian Hong Art Co Ltd | Multi-segment type torsion control pivot device |
| CN108874048A (en) * | 2018-08-10 | 2018-11-23 | 昆山玮硕恒基智能科技股份有限公司 | Folding screen shaft and Folding screen electronic equipment |
| CN110701176A (en) * | 2019-10-29 | 2020-01-17 | 天津华众鑫五金制品有限公司 | Flexible screen rotating structure and flexible screen |
| CN111706604A (en) * | 2020-07-08 | 2020-09-25 | 拓米(成都)应用技术研究院有限公司 | Folding hinge mechanism capable of carrying small-size flexible screen and folding equipment |
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| CN112855743A (en) | 2021-05-28 |
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