CN115929772B - Dual-axis hinge with flexible screen - Google Patents
Dual-axis hinge with flexible screenInfo
- Publication number
- CN115929772B CN115929772B CN202310133750.5A CN202310133750A CN115929772B CN 115929772 B CN115929772 B CN 115929772B CN 202310133750 A CN202310133750 A CN 202310133750A CN 115929772 B CN115929772 B CN 115929772B
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- limiting
- sides
- shaft
- rotating shafts
- flexible screen
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Abstract
本发明属于双轴铰链技术领域，具体为搭配柔性屏幕实施的双轴铰链，包括转轴和轴安装座，所述转轴的数量为两个，所述轴安装座的本体上开设有与两个转轴相对应的安装孔；两个所述转轴的外侧均套设有限位套，两侧所述限位套的周缘前侧均开设有限位缺口；所述轴安装座后侧的上下方均设置有支撑块，上下侧所述支撑块之间活动连接有等臂杠杆，所述等臂杠杆包括杠杆本体，所述杠杆本体的左右端分别设置有受到两个限位套作用的受力端，两侧所述受力端分别与两个限位缺口相对应；本发明不需要提供可活动切换片滑移所需要的工作空间，可以避免可活动切换片位移时产生的转轴错误切换，进而可以降低两个转轴产生错误切换的概率。
The present invention belongs to the technical field of double-axis hinges, specifically a double-axis hinge implemented in conjunction with a flexible screen, including a rotating shaft and an shaft mounting seat, the number of the rotating shafts being two, and the main body of the shaft mounting seat is provided with mounting holes corresponding to the two rotating shafts; the outer sides of the two rotating shafts are both sleeved with limit sleeves, and the front sides of the peripheries of the limit sleeves on both sides are provided with limit notches; support blocks are provided on the upper and lower sides of the rear side of the shaft mounting seat, and an equal-arm lever is movably connected between the upper and lower support blocks, and the equal-arm lever includes a lever body, and the left and right ends of the lever body are respectively provided with force-bearing ends acted upon by two limit sleeves, and the force-bearing ends on both sides respectively correspond to the two limit notches; the present invention does not need to provide the working space required for the sliding of the movable switching piece, can avoid the incorrect switching of the rotating shaft caused by the displacement of the movable switching piece, and thereby can reduce the probability of incorrect switching of the two rotating shafts.
Description
Technical Field
The invention relates to the technical field of biaxial hinges, in particular to a biaxial hinge implemented by matching with a flexible screen.
Background
A biaxial hinge in a flexible screen is a hinge in which a movable switching piece causes a biaxial rotation to be switched. In the prior art, in the implementation process, for example, a TWM584450U, TWI763516B, TWM625917U, TWM625897U, TWM581358U is disclosed, a movable switching piece is used to temporarily limit one of the shafts (at this time, one of the shafts can rotate, and the other shaft cannot rotate), and when the rotatable shaft rotates to the limit, the rotatable shaft can drive the movable switching piece to generate displacement, and when the movable switching piece displaces, the movable switching piece can release the limitation and temporarily limit the other shaft (at this time, the original rotatable shaft is fixed, and the original fixed shaft can rotate), and through the back-and-forth displacement of the movable switching piece, the two shafts are respectively limited singly (that is, only one shaft can rotate all the time), so as to achieve the purpose of shaft switching rotation.
The body type of the current biaxial hinge is limited by the movable space of the movable switching piece, and the movable space of the movable switching piece is difficult to miniaturize, which is not beneficial to the miniaturization of the volume of the biaxial hinge, and further the adoption of the flexible screen to the biaxial hinge can be influenced; in addition, the movable switching piece has the risk of false actuation during the back and forth displacement, and the false actuation of the movable switching piece can lead to the shaft not rotating normally.
Disclosure of Invention
The invention aims to provide a double-shaft hinge matched with a flexible screen to solve the problems that the body shape of the double-shaft hinge proposed in the background art is limited by the movable space of a movable switching piece, and the whole size is not beneficial to miniaturization.
The double-shaft hinge matched with the flexible screen comprises two rotating shafts and shaft mounting seats, wherein the body of the shaft mounting seat is provided with mounting holes corresponding to the two rotating shafts;
a limiting sleeve is sleeved on the outer sides of the two rotating shafts, and limiting notches are formed in the front sides of the peripheries of the limiting sleeves on the two sides;
The upper part and the lower part of the rear side of the shaft mounting seat are respectively provided with a supporting block, an equal arm lever is movably connected between the supporting blocks on the upper side and the lower side, the equal arm lever comprises a lever body, the left end and the right end of the lever body are respectively provided with a stress end acted by two limiting sleeves, and the stress ends on the two sides are respectively corresponding to the two limiting gaps;
When the rotating shaft rotates, the stress end on one side of the equal arm lever is positioned in a limiting notch on the rotating limiting sleeve, and the stress end on the other side of the equal arm lever is attached to the front side of the non-rotating limiting sleeve.
Preferably, a mounting groove for accommodating the equal arm lever is formed in the rear side of the body of the shaft mounting seat, and the mounting groove is located between the upper side and the lower side of the supporting block.
Preferably, the outside of pivot is provided with spacing wheel, the front side of axle mount pad is provided with and is used for limiting spacing wheel rotation angle's limiting block, the limiting block is located between the both sides mounting hole.
Preferably, the left end and the right end of the limiting block are respectively provided with a stop plane which can be abutted against the limiting wheel and a stop inclined plane connected with the stop plane at one side close to the limiting wheel, the stop planes at two sides are centrosymmetric, and the stop inclined planes at two sides are centrosymmetric.
Preferably, the body outside of spacing wheel has seted up the track groove, spacing wheel is provided with the conflict plane that contradicts with the backstop plane in the end department of track groove.
Preferably, the two limiting sleeves are arranged on one side close to the shaft mounting seat to be a plane.
Preferably, the outer sides of the two rotating shafts are respectively sleeved with a torsion generating assembly, and the torsion generating assemblies are positioned at the rear sides of the limiting sleeves.
Preferably, the torsion generating device further comprises an auxiliary supporting plate, wherein the auxiliary supporting plate is positioned between the torsion generating assembly and the limiting sleeve, and a through hole through which the two rotating shafts can pass is formed in the body of the auxiliary supporting plate.
Preferably, the upper end and the lower end of the lever body are respectively provided with an assembling convex column movably connected with the supporting blocks, the rear side of the lever body is provided with an auxiliary positioning block, and the auxiliary positioning block is positioned between the supporting blocks at two sides.
Preferably, the rear side of the lever body is provided with an arc-shaped surface.
Compared with the prior art, the invention has the beneficial effects that:
1) The equal arm lever in the biaxial hinge does not displace in the switching process of the two rotating shafts, and the implementation mode of the movable switching piece adopted by the existing biaxial hinge is changed;
2) The invention can avoid the error switching of the rotating shafts generated when the movable switching piece shifts, thereby reducing the probability of error switching of the two rotating shafts, and the double-shaft hinge can solve the problem that the movable switching piece has error actuation risk because the movable switching piece does not need to be used.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is an exploded view of the structure of the present invention;
FIG. 3 shows an equal arm according to the invention a lever structure schematic diagram;
FIG. 4 is a schematic view of a spindle structure according to the present invention;
FIG. 5 is a schematic view of the stop collar of the present invention;
FIG. 6 is a schematic view of the shaft mount of the present invention;
FIG. 7 is a schematic diagram of a limiting block structure according to the present invention;
FIG. 8 is a schematic cross-sectional view of a first shaft rotatable structure according to the present invention;
FIG. 9 is a schematic view of the cross-sectional structure of the view A-A of FIG. 8 in accordance with the present invention;
FIG. 10 is a schematic view of the structure of the B-B cross-section of FIG. 8 according to the present invention;
FIG. 11 is a schematic cross-sectional view of a second rotatable structure of the present invention;
FIG. 12 is a schematic view of the cross-sectional structure of FIG. 11 taken along line C-C in accordance with the present invention;
FIG. 13 is a schematic view of the structure of the invention in section D-D of FIG. 11.
In the figure, a rotating shaft 10, a limiting wheel 101, a track groove 102, a shaft 20 mounting seat 201, a mounting hole 202, a mounting groove 203, a supporting block 21, a limiting block 211, a limiting plane 212, a limiting inclined plane 30, a limiting notch 301, a lever 40 and the like, a lever body 41, a group of convex columns 42, an auxiliary positioning block 43, a stress end 44, an auxiliary supporting plate 50 and a torsion generating component 60 are arranged.
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.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Examples:
Referring to fig. 1-13, the present invention provides a technical solution, including a dual-axis hinge implemented with a flexible screen, including two rotating shafts 10 and shaft mounting seats 20, the number of the rotating shafts 10 is two, the two rotating shafts 10 are a first shaft 11 and a second shaft 12, the outer sides of the two rotating shafts 10 are respectively sleeved with a stop collar 30, the rotating shafts 10 include flat shafts, flat grooves corresponding to the flat shafts are formed on the body of the stop collar 30, the rotating shafts 10 can drive the stop collar 30 to rotate synchronously, the number of the stop collars 30 is two, the first stop collar 31 is sleeved on the outer side of the first shaft 11, the second stop collar 32 is sleeved on the outer side of the second shaft 12, and the front sides of the peripheries of the two side stop collars 30 are both provided with stop notches 301;
The body of the shaft mounting seat 20 is provided with mounting holes 201 corresponding to the two rotating shafts 10, the mounting holes 201 are cylindrical holes, and the rotating shafts 10 penetrating through the mounting holes 201 cannot rotate along with the rotating shafts 10 when rotating;
The upper and lower sides of the rear side of the shaft mounting seat 20 are respectively provided with a supporting block 203, an equal arm lever 40 is movably connected between the upper and lower side supporting blocks 203, the equal arm lever 40 takes the two supporting blocks 203 as movable supporting points, and the equal arm lever 40 can swing around the axis between the two movable supporting points;
The equal arm lever 40 comprises a lever body 41, the left end and the right end of the lever body 41 are respectively provided with a stress end 44 acted by two limiting sleeves 30, the stress ends 44 on two sides are respectively corresponding to two limiting notches 301, the rotation of the limiting sleeves 30 can be limited by the stress ends 44, after the stress ends 44 sink into the limiting notches 301, the limiting notches 301 corresponding to the stress ends 44 can not rotate, and the limiting sleeves 30 corresponding to the limiting notches 301 and the rotating shaft 10 can not rotate;
when the rotating shaft 10 rotates, the force-bearing end 44 on one side of the equal arm lever 40 is positioned in the limit notch 301 on the rotating limit sleeve 30, the force-bearing end 44 on the other side of the equal arm lever 40 is attached to the front side of the non-rotating limit sleeve 30, and only one force-bearing end 44 on both sides can sink into the limit notch 301 at the same time, namely, only one rotating shaft 10 can rotate at the same time.
Referring to fig. 8 to 10, before the biaxial hinge of the present invention is operated, it is assumed that the force-bearing end 44 at the left end of the equal arm lever 40 contacts the front surface of the first stop collar 31, the force-bearing end 44 at the right end of the equal arm lever 40 is sunk into the stop notch 301 at the front side of the second stop collar 32, the second stop collar 32 cannot rotate due to the limitation of the force-bearing end 44, the second shaft 12 rotating synchronously with the second stop collar 32 cannot rotate as well, only the first shaft 11 in the two rotating shafts 10 can rotate, the first shaft 11 can drive the first stop collar 31 to rotate synchronously when rotating, and after the stop notch 301 on the first stop collar 31 rotates to a certain angle, the stop notch 301 on the first stop collar 31 aligns with the force-bearing end 44 at the left end of the equal arm lever 40, i.e. the force-bearing end 44 at the left end of the equal arm lever 40 can sink into the stop notch 301 on the first stop collar 31, at this moment the rotation state of the equal arm lever 40 is not limited, i.e. the second stop collar 32 can also rotate;
Referring to fig. 11 to 13, when the rotation state of the equal arm lever 40 is not limited, once the biaxial hinge continues to be stressed, the second limiting sleeve 32 pushes the equal arm lever 40 to change the angle of the equal arm lever 40, the stressed end 44 at the right end of the equal arm lever 40 is separated from the limiting notch 301 at the front side of the second limiting sleeve 32, the surface at the front side of the second limiting sleeve 32 starts to be in contact with the stressed end 44 at the left end of the equal arm lever 40, so as to allow the second shaft 12 to rotate, and meanwhile, the stressed end 44 at the left end of the equal arm lever 40 is sunk into the limiting notch 301 at the front side of the first limiting sleeve 31, the first shaft 11 is limited by the first limiting sleeve 31, and when the limiting notch 301 on the second limiting sleeve 32 rotates to a certain angle, the limiting notch 301 on the second limiting sleeve 32 is aligned with the stressed end 44 at the right end of the equal arm lever 40, the rotation state of the equal arm lever 40 is restored to be free, so as to realize the switching rotation of the first shaft 11 and the second shaft 12.
Referring to fig. 3,6 and 8, a mounting groove 202 for accommodating the arm lever 40 is formed at the rear side of the body of the shaft mounting seat 20, the mounting groove 202 is located between the upper and lower side supporting blocks 203, and the upper and lower side supporting blocks 203 are respectively formed in a claw shape for assembling the connecting portion on the arm lever 40.
Referring to fig. 2,4, 7, 10 and 13, the front side of the shaft mounting seat 20 is provided with a limiting block 21, the limiting block 21 is positioned between mounting holes 201 on two sides, the outer sides of the two rotating shafts 10 are provided with limiting wheels 101, after the rotating shafts 10 are assembled, the limiting wheels 101 on the two rotating shafts 10 are respectively positioned on the left side and the right side of the limiting block 21, the limiting block 21 is used for limiting the rotation angle of the limiting wheels 101 on two sides, and at least one of the limiting wheels 101 and the limiting sleeve 30 on the same rotating shaft 10 is not integrally formed with the rotating shaft 10 so as to facilitate the assembly of the rotating shaft 10;
The left end and the right end of the limiting block 21 are respectively provided with a stop plane 211, the stop planes 211 are arranged on one side close to the limiting wheel 101 and are used for abutting against the limiting wheel 101 to limit the rotation angle of the limiting wheel 101, the left end and the right end of the limiting block 21 are also provided with stop inclined planes 212 connected with the stop planes 211, the two side stop planes 211 are in central symmetry, the two side stop planes 211 are parallel to each other, the two side stop inclined planes 212 are also in central symmetry, and the two side stop inclined planes 212 are also parallel to each other;
The track groove 102 has been seted up in the body outside of spacing wheel 101, track groove 102 is by the defect part of spacing wheel 101, track groove 102 is located the one side that spacing wheel 101 is close to axle mount pad 20, the surface of axle mount pad can act as a side wall of track groove 102, the left and right sides end of limiting block 21 stretches into respectively in the track groove 102 of spacing wheel 101 in both sides, spacing wheel 101 is provided with the conflict plane that contradicts with backstop plane 211 in the end department of track groove 102, at spacing wheel 101 pivoted in-process, after the laminating of conflict plane and backstop plane 211, through the conflict spacing of backstop plane 211, the rotation of spacing wheel 101 can be stopped.
The two limiting sleeves 30 are all arranged to be planar on one side close to the shaft mounting seat 20, namely, the limiting sleeve 30 is arranged to be planar on one side close to the shaft mounting seat 20, except for the part formed with the limiting notch 301, the rest parts are all planar, and the rotation of the limiting sleeve 30 in contact with the stress end 44 can be facilitated through the planar.
Referring to fig. 1 and 2, the torque generating assemblies 60 are sleeved on the outer sides of the two rotating shafts 10, the torque generating assemblies 60 are located on the rear sides of the limiting sleeves 30, the torque generating assemblies 60 can be implemented according to any mode in the field of current biaxial hinges, the torque generating assemblies 60 comprise first torque generating assemblies 61 and second torque generating assemblies 62, the first torque generating assemblies 61 are sleeved on the outer sides of the first shafts 11, the first torque generating assemblies 61 provide torque required in the rotation process for the first shafts 11, the second torque generating assemblies 62 are sleeved on the outer sides of the second shafts 12, and the second torque generating assemblies 62 provide torque required in the rotation process for the second shafts 12.
Referring to fig. 1 and 2, the device further includes an auxiliary supporting plate 50, the auxiliary supporting plate 50 is located between the torsion generating assembly 60 and the limiting sleeve 30, a through hole is formed in the body of the auxiliary supporting plate 50 for the two rotating shafts 10 to pass through, the auxiliary supporting plate 50 can be used for fixing the first shaft 11 and the second shaft 12 by the coaxial mounting base 20, and can also be used for shielding the peer arm lever 40, so as to reduce the false interference of the peer arm lever 40 movement of other objects.
Referring to fig. 2 and 3, the upper and lower ends of the lever body 41 are respectively provided with an assembling convex column 42 movably connected with the supporting blocks 203, the rear side of the lever body 41 is provided with an auxiliary positioning block 43, the auxiliary positioning block 43 is located between the supporting blocks 203 on both sides, and after the assembly of the equal arm lever 40 is completed, the upper and lower supporting blocks 203 are clamped on the upper and lower sides of the auxiliary positioning block 43, so that the jump of the upper and lower sides of the auxiliary positioning block 43 can be avoided, and error offset of the equal arm lever 40 is avoided, and correct actuation of the equal arm lever 40 is ensured.
Referring to fig. 3 and 8, the lever body 41 is not a straight part, the lever body 41 is disposed away from the shaft mounting seat 20 to form an arc surface, further, the force bearing ends 44 on the left and right sides of the lever body 41 are slightly bent, when the force bearing ends 44 incline relative to the lever body 41, the lever body 41 will not excessively protrude out of the mounting groove 202, which is beneficial to reducing the working space required by the equal arm lever 40, and in addition, the probability of error collision between the force bearing ends 44 and the stop collar 30 can be reduced due to the slightly bending of the force bearing ends 44.
While the basic principles and main features of the present invention and advantages of the present invention have been shown and described above, it will be apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments and can be embodied in other specific forms without departing from the spirit or essential features of the present invention, and therefore, the embodiments should be considered exemplary and non-limiting in all respects, the scope of the present invention is defined by the appended claims rather than the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The double-shaft hinge matched with the flexible screen is characterized by comprising two rotating shafts (10) and shaft mounting seats (20), wherein the number of the rotating shafts (10) is two, and mounting holes (201) corresponding to the two rotating shafts (10) are formed in a body of the shaft mounting seat (20);
A limiting sleeve (30) is sleeved on the outer sides of the two rotating shafts (10), and limiting notches (301) are formed in the front sides of the peripheries of the limiting sleeves (30) on the two sides;
The upper part and the lower part of the rear side of the shaft mounting seat (20) are respectively provided with a supporting block (203), an equal arm lever (40) is rotatably connected between the supporting blocks (203) on the upper side and the lower side, the equal arm lever (40) comprises a lever body (41), the left end and the right end of the lever body (41) are respectively provided with a stress end (44) acted by two limiting sleeves (30), and the stress ends (44) on the two sides are respectively corresponding to the two limiting gaps (301);
When the rotating shaft (10) rotates, a stress end (44) at one side of the equal arm lever (40) is positioned in a limit notch (301) on the rotating limit sleeve (30), and the stress end (44) at the other side of the equal arm lever (40) is attached to the front side of the non-rotating limit sleeve (30);
The outer side of the rotating shaft (10) is provided with a limiting wheel (101), the front side of the shaft mounting seat (20) is provided with a limiting block (21) for limiting the rotating angle of the limiting wheel (101), and the limiting block (21) is positioned between mounting holes (201) at two sides;
The left end and the right end of the limiting block (21) are respectively provided with a stop plane (211) which can be abutted against the limiting wheel (101) and a stop inclined plane (212) connected with the stop plane (211) at one side close to the limiting wheel (101), the stop planes (211) at two sides are in central symmetry, and the stop inclined planes (212) at two sides are also in central symmetry;
The upper end and the lower end of the lever body (41) are respectively provided with an assembling convex column (42) movably connected with the supporting blocks (203), the rear side of the lever body (41) is provided with an auxiliary positioning block (43), and the auxiliary positioning blocks (43) are positioned between the supporting blocks (203) at two sides.
2. The dual-axis hinge with a flexible screen as claimed in claim 1, wherein a mounting groove (202) for accommodating the equal arm lever (40) is formed on the rear side of the body of the axle mounting base (20), and the mounting groove (202) is located between the upper side and the lower side of the supporting block (203).
3. The dual-axis hinge with a flexible screen as claimed in claim 1, wherein the outer side of the body of the limiting wheel (101) is provided with a track groove (102), and the end of the track groove (102) of the limiting wheel (101) is provided with a collision plane which is in collision with the stop plane (211).
4. The dual-axis hinge for a flexible screen according to claim 1, wherein the two limiting collars (30) are each provided with a flat surface on a side close to the shaft mount (20).
5. The dual-axis hinge with a flexible screen as claimed in claim 1, wherein the outer sides of the two rotating shafts (10) are respectively sleeved with a torsion generating component (60), and the torsion generating components (60) are positioned at the rear side of the limiting sleeve (30).
6. The dual-axis hinge with a flexible screen as recited in claim 5, further comprising an auxiliary supporting plate (50), wherein the auxiliary supporting plate (50) is located between the torsion generating component (60) and the limiting sleeve (30), and a through hole for the two rotating shafts (10) to penetrate is formed in the body of the auxiliary supporting plate (50).
7. The dual-axis hinge for a flexible screen according to claim 1, wherein the rear side of the lever body (41) is configured as an arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310133750.5A CN115929772B (en) | 2023-02-20 | 2023-02-20 | Dual-axis hinge with flexible screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310133750.5A CN115929772B (en) | 2023-02-20 | 2023-02-20 | Dual-axis hinge with flexible screen |
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| Publication Number | Publication Date |
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| CN115929772A CN115929772A (en) | 2023-04-07 |
| CN115929772B true CN115929772B (en) | 2025-09-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202310133750.5A Active CN115929772B (en) | 2023-02-20 | 2023-02-20 | Dual-axis hinge with flexible screen |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983970A (en) * | 2019-12-16 | 2021-06-18 | 兆利科技工业股份有限公司 | Double-shaft hinge capable of alternatively rotating |
| CN218266772U (en) * | 2022-05-17 | 2023-01-10 | 荣耀终端有限公司 | Rotating shaft mechanism and foldable electronic device |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104866026B (en) * | 2015-06-01 | 2018-10-30 | 苏州三星电子电脑有限公司 | Shaft |
| CN107191469B (en) * | 2017-07-04 | 2020-02-18 | 新连刚电子科技（重庆）有限公司 | Multi-section switching pivot device |
| TWM569867U (en) * | 2018-05-31 | 2018-11-11 | 兆利科技工業股份有限公司 | A dual shaft alternately-flipped structure |
| TWM592212U (en) * | 2019-08-08 | 2020-03-11 | 兆利科技工業股份有限公司 | Dual shaft type hinge structure |
| TW202136657A (en) * | 2020-03-25 | 2021-10-01 | 鑫禾科技股份有限公司 | Two-axis hinge enabling the switching piece to slide stably |
| CN111720427B (en) * | 2020-07-26 | 2024-05-14 | 昆山玮硕恒基智能科技股份有限公司 | Double-screen pivot device |
| TWM608053U (en) * | 2020-10-16 | 2021-02-21 | 鑫禾科技股份有限公司 | Structurally stable two-axis hinge |
| CN215890764U (en) * | 2021-07-20 | 2022-02-22 | 安费诺飞凤(安吉)通信部品有限公司 | Double-shaft hinge |
-
2023
- 2023-02-20 CN CN202310133750.5A patent/CN115929772B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112983970A (en) * | 2019-12-16 | 2021-06-18 | 兆利科技工业股份有限公司 | Double-shaft hinge capable of alternatively rotating |
| CN218266772U (en) * | 2022-05-17 | 2023-01-10 | 荣耀终端有限公司 | Rotating shaft mechanism and foldable electronic device |
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| CN115929772A (en) | 2023-04-07 |
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