CN114962431A - Rotating shaft structure and folding display device - Google Patents
Rotating shaft structure and folding display device Download PDFInfo
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- CN114962431A CN114962431A CN202210386082.2A CN202210386082A CN114962431A CN 114962431 A CN114962431 A CN 114962431A CN 202210386082 A CN202210386082 A CN 202210386082A CN 114962431 A CN114962431 A CN 114962431A
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- arc
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- support plate
- supporting plate
- movable
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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
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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
- F16C11/103—Arrangements for locking frictionally clamped
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1675—Miscellaneous details related to the relative movement between the different enclosures or enclosure parts
- G06F1/1681—Details related solely to hinges
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K5/00—Casings, cabinets or drawers for electric apparatus
- H05K5/02—Details
- H05K5/0217—Mechanical details of casings
- H05K5/0226—Hinges
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention relates to a rotating shaft structure which is used for folding a folding display panel and comprises a fixed supporting plate, a movable supporting plate and a gear transmission assembly, wherein the fixed supporting plate is fixed on the fixed supporting plate; the two opposite sides of the gear transmission assembly are symmetrically provided with the fixed supporting plates in a first direction, the two sides of the gear transmission assembly are respectively connected with the movable supporting plates through transmission connecting rods in a second direction perpendicular to the first direction, the two movable supporting plates and the two fixed supporting plates are arranged in a one-to-one correspondence manner, and each movable supporting plate is rotatably connected with the corresponding fixed supporting plate; every be provided with on the movable support plate along the arc guide way that the second direction extends, it is corresponding the one end of transmission connecting rod pass through the slider with arc guide way sliding connection, the other end of transmission connecting rod with gear drive subassembly is connected, wherein, the centre of a circle of arc guide way is towards the holding surface setting of movable support plate.
Description
Technical Field
The invention relates to the technical field of manufacturing of folding display products, in particular to a rotating shaft structure and a folding display device.
Background
In the use of flexible screen, the folding pivot subassembly effect of screen body rear side is very big, and the stress state of flexible screen is directly decided to the movement track of hinge good or bad to the effect to supporting the screen body and protecting the screen body, but at present hinge structure is complicated, and with high costs, and when folding, the route of buckling is little, and the clearance is little between the screen, buckles occasionally and take place the risk of interfering with the screen.
Disclosure of Invention
In order to solve the above technical problems, the present invention provides a hinge structure and a foldable display device, which solve the problem that interference with a screen is likely to occur when bending.
In order to achieve the purpose, the embodiment of the invention adopts the technical scheme that: a rotating shaft structure is used for folding a folding display panel and comprises a fixed supporting plate, a movable supporting plate and a gear transmission assembly;
the two opposite sides of the gear transmission assembly are symmetrically provided with the fixed supporting plates in a first direction, the two sides of the gear transmission assembly are respectively connected with the movable supporting plates through transmission connecting rods in a second direction perpendicular to the first direction, the two movable supporting plates and the two fixed supporting plates are arranged in a one-to-one correspondence manner, and each movable supporting plate is rotatably connected with the corresponding fixed supporting plate;
every be provided with on the movable support plate along the arc guide way that the second direction extends, it is corresponding the one end of transmission connecting rod pass through the slider with arc guide way sliding connection, the other end of transmission connecting rod with gear drive subassembly is connected, wherein, the centre of a circle of arc guide way is towards the holding surface setting of movable support plate.
Optionally, the movable supporting plate comprises a first sub-supporting plate and a rotating connecting plate which is connected with the fixed supporting plate in a sliding mode, the rotating connecting plate is used for being provided with an arc surface on one side connected with the fixed supporting plate, an arc surface guide groove with the bottom surface being the arc surface is formed in the fixed supporting plate, and the rotating connecting plate is rotatably arranged in the arc surface guide groove.
Optionally, the curvature of the bottom surface of the arc guide groove is the same as the curvature of the arc guide groove.
Optionally, a damping member is disposed between the rotating connection plate and the arc guide groove.
Optionally, the damping piece is a friction elastic piece, a first mounting groove is formed in the middle of one face, connected with the arc-surface guide groove, of the rotating connecting plate, the first mounting groove extends along the second direction and penetrates through one end, far away from the first sub-supporting plate, of the rotating connecting plate, a second mounting groove is formed in one side, far away from the first sub-supporting plate, of the arc-surface guide groove, and the friction elastic piece is arranged between the arc-surface guide groove and the rotating connecting plate in a matched mode.
Optionally, the first sub-support plate includes a first portion provided with the rotation connecting plate, and a second portion located on one side of the first portion along the first direction, the second portion is provided with a groove for accommodating a portion of the transmission link, the groove is provided to penetrate through the first sub-support plate along the second direction, and the two opposite side walls of the groove are symmetrically provided with the arc-shaped guide grooves in the first direction;
one end of the transmission connecting rod is provided with a connecting hole extending along the first direction, the sliding part is a transmission shaft, the transmission shaft penetrates through the connecting hole, and two ends of the transmission shaft are exposed out of the connecting hole to be connected in the corresponding arc-shaped guide grooves.
Optionally, the gear transmission assembly includes two gears and two cams, the two gears are engaged with each other, the two gears are arranged side by side along the second direction, the two cams are connected with the two gears in a one-to-one correspondence, each cam is arranged on one side of the corresponding gear far away from the other gear, and each cam is hinged to the corresponding transmission connecting rod;
the two gears are matched with the two cams, so that when the rotating shaft structure is in a folded state, the movable connecting rod is perpendicular to the supporting surface of the fixed supporting plate.
Optionally, one end of the transmission connecting rod connected with the cam is of a cambered surface structure.
Optionally, the fixed support plate includes a support surface and a back surface opposite to the support surface, the back surface is two W-shaped arc surface portions, the two cams are disposed in one-to-one correspondence with the two arc surface portions, and the movement tracks of the two cams are located inside the arc surface portions.
Optionally, the supporting surface of the fixed supporting plate is a plane, and when the rotating shaft structure is in the flat state, the supporting surface of the fixed supporting plate and the supporting surface of the movable supporting plate are located on the same plane.
The embodiment of the invention also provides a folding display device which comprises the rotating shaft structure.
The beneficial effects of the invention are: under the guide limiting effect of the arc-shaped guide groove, the curvature of a movement path of the rotating shaft structure is increased during folding, and interference with a screen is avoided.
Drawings
FIG. 1 is a schematic view showing a bevel gear structure in the related art;
FIG. 2 is a schematic view showing a folded state of an umbrella gear structure according to the related art;
FIG. 3 is a schematic rear view of a spindle structure according to an embodiment of the present invention;
FIG. 4 is a schematic front view of a spindle structure according to an embodiment of the present invention;
FIG. 5 is a schematic view of a movable support plate according to an embodiment of the present invention;
FIG. 6 is a schematic view of a fixed support plate according to an embodiment of the present invention;
FIG. 7 is a schematic view showing a part of a structure of a rotating shaft according to an embodiment of the present invention;
FIG. 8 is a schematic diagram of a second partial structure of the rotating shaft structure in the embodiment of the present invention;
FIG. 9 is a schematic view showing a flattened state in the embodiment of the present invention;
FIG. 10 illustrates an embodiment of the present invention in a collapsed state;
fig. 11 is a schematic diagram illustrating a second folded state of the rotating shaft structure according to the embodiment of the invention.
1, supporting a plate; 2, a transmission structure; 3 connecting the rods; 10 fixing the supporting plate; 101, a cambered surface guide groove; 102 a second mounting groove; 20 a gear assembly; 201 a gear; 202 cam; 30 a movable support plate; 301 rotating the connecting plate; 3011 a first mounting groove; 302 grooves; 3021 side walls; 3022 arc-shaped guide grooves; 40 drive links; 401 a propeller shaft; 50 damping member.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the described embodiments of the invention, are within the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Referring to fig. 3 to 11, the present embodiment provides a hinge structure for folding a display panel, including a fixed support plate 10, a movable support plate 30, and a gear 201 transmission assembly 20;
in a first direction (refer to an X direction in fig. 3), the fixed support plates 10 are symmetrically disposed on two opposite sides of the gear transmission assembly 20, in a second direction (refer to a Y direction in fig. 3) perpendicular to the first direction, two sides of the gear transmission assembly 20 are respectively connected with the movable support plates 30 through transmission connecting rods 40, the two movable support plates 30 are disposed in one-to-one correspondence with the two fixed support plates 10, and each movable support plate 30 is rotatably connected with the corresponding fixed support plate 10;
each movable support plate 30 is provided with an arc-shaped guide groove 3022 extending along the second direction, one end of the corresponding transmission link 40 is slidably connected with the arc-shaped guide groove 3022 through a sliding part, and the other end of the transmission link 40 is connected with the gear transmission assembly 20, wherein the center of the arc-shaped guide groove 3022 is arranged towards the support surface of the movable support plate 30.
The rotating shaft structure in the traditional structure adopts a bevel gear 201 structure shown in fig. 1 and fig. 2, and comprises a transmission structure 2 and support plates 1 located on two opposite sides of the transmission structure 2, wherein the support plates 1 are connected with the transmission structure 2 through a connecting rod 3, and under the action of the transmission structure 2, the support plates 1 on two sides of the transmission structure 2 can move oppositely or oppositely to enable a display panel to be in a folded state or a flattened state, but the curvature of the folding track of the support plates is small, and interference with a screen (namely the display panel) is easy to occur in the folding and bending process. In this embodiment, by the guiding and limiting function of the arc-shaped guide groove 3022, the curvature of the movement path of the transmission link 40 and the movable support plate 30 is increased, that is, the gap between the movement path of the transmission link 40 and the movable support plate 30 and the movement path of the screen is increased, so as to avoid interference with the screen during the folding process.
Illustratively, the movable support plate 30 includes a first sub-support plate and a rotating connection plate 301 slidably connected to the fixed support plate 10, a surface of the rotating connection plate 301 for connecting to the fixed support plate 10 is an arc surface, an arc surface guide groove 101 having an arc surface as a bottom surface is disposed on the fixed support plate 10, and the rotating connection plate 301 is rotatably disposed in the arc surface guide groove 101.
When the pivot structure is folded, the movable support plate 30 is in under the transmission effect that the transmission is connected, the movable support plate 30 rotates, and the motion trail thereof is an arc-shaped trail, through the arc-shaped guide groove 101 and the cooperation of the rotating connecting plate 301, the folding trail of the pivot structure when folded is more effectively guaranteed, the folding process is effectively avoided, and the pivot structure and the folding display panel are interfered.
Illustratively, the curvature of the bottom surface of the arc guide groove 101 is the same as or different from the curvature of the arc guide groove 3022. The arc guide groove 101 plays a role in auxiliary guiding, that is, the arc guide groove 101 and the rotating connecting plate 301 are matched to assist the overall movement track of the movable support plate 30 and the transmission connecting rod 40, so that the movement track of the movable support plate 30 and the movement of the transmission connecting rod 40 are ensured to be smooth.
Illustratively, a damping member 50 is disposed between the rotation connecting plate 301 and the arc guide groove 101, referring to fig. 8.
The damping member 50 performs a damping function to realize a slow switching of the rotation shaft between the folded state and the flattened state.
The specific structural form of the damping element 50 may be various, as long as a damping effect can be achieved, for example, the damping element 50 is a friction elastic sheet, the middle of one side, facing the connection surface of the arc guide groove 101, of the rotating connecting plate 301 is provided with a first mounting groove 3011, referring to fig. 5, the first mounting groove 3011 extends along the second direction and is arranged to penetrate through one end, away from the first sub-support plate, of the rotating connecting plate 301, one side, away from the first sub-support plate, of the arc guide groove 101 is provided with a second mounting groove 102, and the first mounting groove 3011 and the second mounting groove 102 are matched to arrange the friction elastic sheet between the arc guide groove 101 and the rotating connecting plate 301.
The specific connection manner of the transmission link 40 and the movable support plate 30 can be various, and referring to fig. 3-5, 7 and 8, for example, the first sub-support plate includes a first portion provided with the rotation connecting plate 301, and a second portion located at one side of the first portion along the first direction, the second portion being provided with a groove 302 for receiving a portion of the transmission link 40, the groove 302 being provided through the first sub-support plate along the second direction, and the arc-shaped guide grooves 3022 are symmetrically provided on two opposite side walls 3021 of the groove 302 in the first direction;
one end of the transmission link 40 is provided with a connection hole extending along the first direction, the sliding member is a transmission shaft 401, the transmission shaft 401 is inserted into the connection hole, and both ends of the transmission shaft 401 are exposed out of the connection hole to be connected to the corresponding arc-shaped guide groove 3022.
It should be noted that, in the flattened state, a surface of the transmission link 40 away from the bottom surface of the groove 302 and the supporting surface of the movable supporting plate 30 are located on the same plane.
Referring to fig. 7-10, for example, the gear transmission assembly 20 includes two gears 201 and two cams 202, the two gears 201 are engaged with each other, the two gears 201 are arranged side by side along the second direction, the two cams 202 are connected to the two gears 201 in a one-to-one correspondence, each cam 202 is arranged on a side of the corresponding gear 201 away from the other gear 201, and each cam 202 is hinged to the corresponding transmission link 40;
the two gears 201 and the two cams 202 are matched, so that the movable connecting rod is perpendicular to the supporting surface of the fixed supporting plate 10 when the rotating shaft structure is in a folded state.
In the conventional bevel gear 201 structure, after the connection rod is converted from the flat state to the folded state, the angle change of the connection rod is small, less than 90 degrees, and if the movable support plate 30 is perpendicular to the horizontal direction in the folded state, the connection rod is obliquely disposed, resulting in a small gap between the connection rod and the screen, referring to the position indicated by the dotted circle in fig. 2. In this embodiment, the two gears 201 and the two cams 202 are engaged with each other, so that the extending direction of the transmission link 40 is parallel to the third direction in the flat state, the extending direction of the transmission link 40 is parallel to the fourth direction in the folded state, and the third direction is perpendicular to the fourth direction, that is, in the folded state, the transmission link 40 and the supporting surface of the fixed supporting plate 10 are perpendicular to each other, so that the gap between the transmission link 40 and the folded display panel is increased, and the interference with the folded display panel is avoided by referring to the position indicated by the dotted circle in fig. 11.
Illustratively, to facilitate the movement of the transmission link 40, the end of the transmission link 40 connected to the cam 202 is a cambered surface structure.
Illustratively, the fixed support plate 10 includes a support surface and a back surface disposed opposite to the support surface, the back surface is two arc surface portions in a W shape, the two cams 202 are disposed in one-to-one correspondence with the two arc surface portions, and the motion tracks of the two cams 202 are located inside the arc surface portions.
By adopting the scheme, the interference of the movement of the cam 202 on other parts of the folding display device is avoided.
Illustratively, the supporting surface of the fixed supporting plate 10 is a plane, and when the rotating shaft structure is in the flat state, the supporting surface of the fixed supporting plate 10 and the supporting surface of the movable supporting plate 30 are located on the same plane.
By adopting the technical scheme, the flatness of the integral supporting surface of the rotating shaft structure is ensured, and the damage to the folding display panel is avoided.
In summary, compared with the conventional bevel gear 201 structure, the rotating shaft structure of the present embodiment has the following advantages:
1. in the conventional bevel gear 201 structure, when the folded state and the flattened state are switched, the movement path is small, and interference with the screen is easy to occur, but in the embodiment, under the guiding and limiting effect of the arc-shaped guide groove 3022, the movement path is increased (i.e., the movement radius is increased), and interference with the screen is avoided.
2. In the traditional bevel gear 201 structure, a right-angle gear 201 group is adopted, the rotation angle of the connecting rod is less than 90 degrees on the premise of ensuring that the screen has a certain bending radius, and when the connecting rod is folded, the angle between the connecting rod and the movable supporting plate 30 is less than 180 degrees, the gap between the connecting rod and the screen is small, and the connecting rod is easy to interfere with the screen; in the embodiment, under the cooperation of the two gears 201 and the two cams 202, when the foldable screen is folded, the transmission link 40 is perpendicular to the support plate of the fixed support plate 10, so that the gap between the transmission link and the bending area of the screen is increased, and the interference between the transmission link and the screen is avoided.
3. The traditional bevel gear 201 structure has the advantages of large number of parts, small size, high requirement on machining precision, need of adopting a powder metallurgy process and high cost. The rotating shaft structure in the embodiment has the advantages of small number of parts, large size of each part (including the fixed support plate 10, the movable support plate 30 and the gear transmission assembly 20), low requirement on machining precision, capability of adopting the traditional CNC/wire cutting process and low cost.
The embodiment of the invention also provides a folding display device which comprises the rotating shaft structure.
The display device may be: the display device comprises any product or component with a display function, such as a liquid crystal television, a liquid crystal display, a digital photo frame, a mobile phone, a tablet personal computer and the like, wherein the display device further comprises a flexible circuit board, a printed circuit board and a back plate.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (10)
1. A rotating shaft structure is used for folding a display panel and is characterized by comprising a fixed supporting plate, a movable supporting plate and a gear transmission assembly;
the two opposite sides of the gear transmission assembly are symmetrically provided with the fixed supporting plates in a first direction, the two sides of the gear transmission assembly are respectively connected with the movable supporting plates through transmission connecting rods in a second direction perpendicular to the first direction, the two movable supporting plates and the two fixed supporting plates are arranged in a one-to-one correspondence mode, and each movable supporting plate is rotatably connected with the corresponding fixed supporting plate;
every be provided with on the movable support plate along the arc guide way that the second direction extends, it is corresponding the one end of transmission connecting rod pass through the slider with arc guide way sliding connection, the other end of transmission connecting rod with gear drive subassembly is connected, wherein, the centre of a circle orientation of arc guide way the holding surface setting of movable support plate.
2. The rotating shaft structure according to claim 1, wherein the movable support plate comprises a first sub-support plate and a rotating connection plate slidably connected to the fixed support plate, one surface of the rotating connection plate, which is used for being connected to the fixed support plate, is an arc surface, an arc surface guide groove with an arc surface as a bottom surface is arranged on the fixed support plate, and the rotating connection plate is rotatably arranged in the arc surface guide groove.
3. The hinge structure according to claim 2, wherein a damping member is provided between the rotation connecting plate and the arc-shaped guide groove.
4. The rotating shaft structure according to claim 3, wherein the damping member is a friction elastic sheet, a first mounting groove is formed in a middle portion of a side, connected with the arc-shaped guide groove, of the rotating connecting plate, the first mounting groove extends in the second direction and penetrates through one end, far away from the first sub-supporting plate, of the rotating connecting plate, a second mounting groove is formed in one side, far away from the first sub-supporting plate, of the arc-shaped guide groove, and the friction elastic sheet is arranged between the arc-shaped guide groove and the rotating connecting plate through cooperation of the first mounting groove and the second mounting groove.
5. The hinge structure according to claim 2, wherein the first sub-support plate includes a first portion provided with the rotation connecting plate, and a second portion located at one side of the first portion along the first direction, the second portion being provided with a groove for receiving a portion of the transmission link, the groove being provided through the first sub-support plate along the second direction, and the arc-shaped guide grooves being symmetrically provided on two opposite side walls of the groove in the first direction;
one end of the transmission connecting rod is provided with a connecting hole extending along the first direction, the sliding part is a transmission shaft, the transmission shaft penetrates through the connecting hole, and two ends of the transmission shaft are exposed out of the connecting hole to be connected in the corresponding arc-shaped guide grooves.
6. The spindle structure according to claim 2, wherein the gear transmission assembly includes two gears and two cams, the two gears are engaged with each other and arranged side by side along the second direction, the two cams are connected to the two gears in a one-to-one correspondence, each cam is arranged on a side of the corresponding gear far from the other gear, and each cam is hinged to the corresponding transmission link;
the two gears are matched with the two cams, so that when the rotating shaft structure is in a folded state, the movable connecting rod is perpendicular to the supporting surface of the fixed supporting plate.
7. The hinge structure according to claim 6, wherein the end of the transmission link connected to the cam is a cambered surface structure.
8. The rotating shaft structure according to claim 6, wherein the fixed support plate includes a support surface and a back surface opposite to the support surface, the back surface is two W-shaped arc surface portions, the two cams are disposed in one-to-one correspondence with the two arc surface portions, and the movement tracks of the two cams are located inside the arc surface portions.
9. The hinge structure of claim 8, wherein the supporting surface of the fixed supporting plate is a plane, and when the hinge structure is in the flat state, the supporting surface of the fixed supporting plate and the supporting surface of the movable supporting plate are located on the same plane.
10. A folding display device, comprising the hinge structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386082.2A CN114962431A (en) | 2022-04-13 | 2022-04-13 | Rotating shaft structure and folding display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210386082.2A CN114962431A (en) | 2022-04-13 | 2022-04-13 | Rotating shaft structure and folding display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114962431A true CN114962431A (en) | 2022-08-30 |
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ID=82978145
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210386082.2A Pending CN114962431A (en) | 2022-04-13 | 2022-04-13 | Rotating shaft structure and folding display device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114962431A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090233A (en) * | 2014-04-24 | 2015-11-25 | 富泰华工业（深圳）有限公司 | Rotation shaft and electronic device having rotation shaft |
| CN111615277A (en) * | 2019-02-25 | 2020-09-01 | Oppo广东移动通信有限公司 | Rotating device, shell and electronic device |
| US20210195775A1 (en) * | 2019-12-23 | 2021-06-24 | Beijing Xiaomi Mobile Software Co., Ltd. | Hinge structure and folding electronic device |
| CN214661465U (en) * | 2021-03-16 | 2021-11-09 | 兆利科技工业股份有限公司 | Split hinge structure |
-
2022
- 2022-04-13 CN CN202210386082.2A patent/CN114962431A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090233A (en) * | 2014-04-24 | 2015-11-25 | 富泰华工业（深圳）有限公司 | Rotation shaft and electronic device having rotation shaft |
| CN111615277A (en) * | 2019-02-25 | 2020-09-01 | Oppo广东移动通信有限公司 | Rotating device, shell and electronic device |
| US20210195775A1 (en) * | 2019-12-23 | 2021-06-24 | Beijing Xiaomi Mobile Software Co., Ltd. | Hinge structure and folding electronic device |
| CN214661465U (en) * | 2021-03-16 | 2021-11-09 | 兆利科技工业股份有限公司 | Split hinge structure |
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