CN211288435U - Flexible screen hinge and electronic equipment - Google Patents
Flexible screen hinge and electronic equipment Download PDFInfo
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- CN211288435U CN211288435U CN201922338537.XU CN201922338537U CN211288435U CN 211288435 U CN211288435 U CN 211288435U CN 201922338537 U CN201922338537 U CN 201922338537U CN 211288435 U CN211288435 U CN 211288435U
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- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 4
- 238000011161 development Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 125000006850 spacer group Chemical group 0.000 description 3
- 238000005253 cladding Methods 0.000 description 2
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Abstract
The utility model discloses a flexible screen hinge and electronic equipment, including synchronous gear group and compensation gear group, intermeshing has formed a gear drive synchronization structure between two epaxial first gears of gear of synchronous gear group, can realize the function that two axle cores opened and shut in step. The second gears on the two shaft cores of the compensation gear set are meshed with the adjacent first gears, and the sizes of the first gears and the second gears are different, and the gear ratio of the first gears to the second gears is not 1:1, so that the first gears can rotate relative to the gear shaft during rotation, and the second gears on the two shaft cores can synchronously rotate around the adjacent first gears, so that the overturning of the preset angle is realized. Like this, utilize the gear ratio transmission of different big or small gears to produce the variable, can compensate the flexible screen because of the skew that the bending brought, and then can avoid producing the power of dragging to the flexible screen because of bending or opening the process, guarantee the stability of flexible screen, and the structure is very simple, greatly reduced manufacturing cost.
Description
Technical Field
The utility model relates to a flexible screen technical field especially relates to a flexible screen hinge and electronic equipment.
Background
With the updating of electronic products, the display screens of various electronic device terminals, such as mobile phones, tablet computers, and the like, become larger and larger, because the larger display screen can provide richer information for users, improve the efficiency of human-computer communication, and can bring better use experience. However, as the screen is increased, the external dimension of the electronic equipment terminal base body is also increased correspondingly; the increase of the size of the electronic equipment base body brings inconvenience for carrying and storing, which restricts the enlargement of the display screen. At present, the flexible screen technology well finds a compromise point between the miniaturization development of an electronic equipment substrate and the large-screen development of a display screen, for example, a flexible screen mobile phone is the same in size as a conventional mobile phone after being folded, and can be conveniently carried; when the screen is unfolded, a screen with an overlarge display area can be obtained. A flexible screen phone is different from a flip phone because the folding is done on one screen, i.e. the display screen needs to be bent 180 degrees and has a certain radian at the bend. To realize the folding function of the flexible screen, the design of the connecting hinge at the bending position, which is the connecting component for realizing the folding, is the biggest technical problem besides the flexible screen. In view of the specificity of the flexible screen, the traditional hinge has no way to meet the functional requirements, and a special flexible screen hinge is needed to assist the realization. At present, the flexible screen hinge is usually of a sectional type structure, is arranged and bent like beetles or spines, and can share part of stress of each section, so that the stress of the whole folding structure is more uniform. However, with the structure, the bending radius of the screen is large, so that the thickness of a product is large, and the flexible screen is subjected to pulling force in the bending or opening process, so that the stability of the flexible screen is affected. There are also some other technical solutions, such as the flexible screen internal and external double-folding synchronous rotating mechanism disclosed in patent document CN110131299A, however, these technical solutions are quite complex in structure, numerous in parts, and relatively high in production and processing costs.
Disclosure of Invention
In order to solve the technical problem, the utility model provides a flexible screen hinge and electronic equipment can realize 0-180 degrees upsets, bends or opens the in-process at the flexible screen, can compensate because of the skew that the bending brought, avoids bending or opens the process and produces the power of dragging to the flexible screen, guarantees the stability of flexible screen, and the structure is very simple, manufacturing cost greatly reduced.
The technical scheme of the utility model is realized like this:
a flexible screen hinge comprises a synchronous gear set and a compensation gear set, wherein the synchronous gear set comprises two gear shafts and a pair of first connecting sheets, a first gear is correspondingly sleeved on each gear shaft, the two gear shafts are arranged side by side, the first gear on one gear shaft and the first gear on the other gear shaft are in meshing transmission, and the first gears can freely rotate in the circumferential direction relative to the gear shafts; the pair of first connecting pieces are clamped at the front end and the rear end of the two first gears and are simultaneously sleeved on the two gear shafts; the compensation gear set comprises two shaft cores and two pairs of second connecting sheets, a second gear is correspondingly sleeved on each shaft core, the two shaft cores are respectively arranged on the left side and the right side of the synchronous gear set, the second gears on the shaft cores are in meshing transmission with the first gears on the adjacent gear shafts, and the second gears can axially slide relative to the shaft cores and can circumferentially stop; the pair of second connecting pieces are clamped at the front end and the rear end of one first gear and one second gear and are simultaneously sleeved on one gear shaft and one shaft core; the other pair of second connecting pieces are clamped at the front end and the rear end of the other first gear and the other second gear and are simultaneously sleeved on the other gear shaft and the other shaft core; a first shaft stop is formed on each gear shaft, and the pair of second connecting pieces, the pair of first connecting pieces and the first gear are locked to the first shaft stop through a locking assembly after being sleeved on the corresponding gear shaft; a second shaft stop is formed on each shaft core, and a pair of second connecting sheets and a second gear are locked at the second shaft stop through a torsion assembly after being sleeved on the corresponding shaft core; the second gear is different in size from the first gear, and a gear ratio of the first gear to the second gear is not 1: 1.
Furthermore, the locking assembly comprises a first gasket and a first nut, the first nut locks the pair of second connecting sheets, the pair of first connecting sheets and the first gear to the first shaft stop, and the first gasket is arranged on the inner side of the first nut.
Further, still include the connecting block, the connecting block is located the inboard of first gasket, just two are located simultaneously to the connecting block the gear shaft is last, connecting block one side be equipped with be used for with the flexible screen bend the department bond lug together.
Furthermore, the torsion assembly comprises two second gaskets, a plurality of butterfly-shaped elastic sheets and a second nut, the second nut locks the pair of second connecting sheets and the second gear to the second shaft stopper, and one first gasket, a plurality of butterfly-shaped elastic sheets and the other first gasket are sequentially arranged on the inner side of the second nut.
Furthermore, the torsion assembly comprises a plurality of torsion pieces, round holes corresponding to the gear shafts and C-shaped through holes corresponding to the shaft cores and having stretching amount are formed in the torsion pieces, the shaft cores and adjacent gear shafts are sleeved with the torsion pieces at the same time and locked through the first nuts, the gear shafts can rotate freely in the circumferential direction relative to the round holes, and the shaft cores are elastically coated by the C-shaped through holes.
The utility model provides an electronic equipment, including casing A, casing B, flexible screen and flexible screen hinge, flexible screen hinged joint in casing A with between the casing B, flexible screen lays in proper order casing A flexible screen hinge with on the casing B.
Furthermore, a lock accessory is arranged corresponding to each shaft core, one lock accessory is connected with a shell A of the electronic equipment, and the other lock accessory is connected with a shell B of the electronic equipment.
The utility model has the advantages that: the utility model provides a flexible screen hinge and electronic equipment, synchromesh gear set have set up two gear shafts, correspond on every gear shaft and set up first gear to make intermeshing between two first gears, formed a gear drive synchronization structure, like this, set up two axle cores in the synchromesh gear set left and right sides and can open and shut the rotation in step. The compensation gear set is provided with two shaft cores, each shaft core is correspondingly provided with a second gear, the second gear is meshed with the first gear of the adjacent synchronous gear set, and due to the fact that the first gear and the second gear are different in size and the gear ratio of the first gear to the second gear is not 1:1, when the compensation gear set rotates, the first gear can rotate relative to a gear shaft, the second gears on the two shaft cores can synchronously rotate around the adjacent first gears, and the overturning of a preset angle, such as 180-degree overturning, is achieved. Therefore, the gear ratio transmission of different gears is utilized to generate a variable, the position deviation of the flexible screen caused by bending can be compensated, the pulling force on the flexible screen caused by bending or opening can be avoided, and the stability of the flexible screen is ensured. The pair of first connecting sheets is used for clamping and positioning two first gears, the pair of second connecting sheets is used for clamping and positioning one first gear and one second gear, the other pair of second connecting sheets is used for clamping and positioning the other first gear and the other second gear, the locking assembly is used for locking the first connecting sheets and the first gears to a first shaft stop of the gear shaft, and the torsion assembly is used for locking the first connecting sheets, the second connecting sheets and the second gears to a second shaft stop of the shaft core and providing rotary torsion for rotation of the shaft core. Use the utility model discloses the electronic equipment of flexible screen hinge can realize 0-180 degree synchronous upset, just the utility model discloses a gear drive realizes the flexible compensation of flexible screen with the help of variable tooth, and the structure is very simple, greatly reduced the production and processing cost, and can reduce the design space who occupies flexible screen electronic equipment, the slimming development of the electronic equipment of being convenient for.
Drawings
Fig. 1 is a structural schematic diagram of the flexible screen hinge at 0 degree of the present invention;
fig. 2 is a perspective view of the 0-degree state structure of the flexible screen hinge of the present invention;
fig. 3 is a schematic structural view of the flexible screen hinge in a 180-degree state according to the present invention;
fig. 4 is a perspective view of the flexible screen hinge of the present invention in a 180 degree state;
fig. 5 is a schematic structural diagram of the electronic device of the present invention.
Detailed Description
In order to clearly understand the technical content of the present invention, the following embodiments are specifically mentioned, which are only for the purpose of better understanding the content of the present invention and not for the purpose of limiting the scope of the present invention. The components in the structures of the drawings of the embodiments are not necessarily to scale, and do not represent actual relative sizes of the structures in the embodiments. The upper side or upper side of the structure or surface includes the case where other layers are interposed.
As shown in fig. 1, 2, 3, 4 and 5, a flexible screen hinge comprises a synchronous gear set and a compensation gear set, wherein the synchronous gear set comprises two gear shafts 1 and a pair of first connecting plates 2, a first gear 3 is correspondingly sleeved on each gear shaft, the two gear shafts are arranged side by side, the first gear on one gear shaft is in meshing transmission with the first gear on the other gear shaft, and the first gears can freely rotate in the circumferential direction relative to the gear shafts; the pair of first connecting pieces are clamped at the front end and the rear end of the two first gears and are simultaneously sleeved on the two gear shafts; the compensation gear set comprises two shaft cores 4 and two pairs of second connecting sheets 5, a second gear 6 is correspondingly sleeved on each shaft core, the two shaft cores are respectively arranged on the left side and the right side of the synchronous gear set, the second gears on the shaft cores are in meshing transmission with the first gears on the adjacent gear shafts, and the second gears can axially slide relative to the shaft cores and can circumferentially stop; the pair of second connecting pieces are clamped at the front end and the rear end of one first gear and one second gear and are simultaneously sleeved on one gear shaft and one shaft core; the other pair of second connecting pieces are clamped at the front end and the rear end of the other first gear and the other second gear and are simultaneously sleeved on the other gear shaft and the other shaft core; a first shaft stop 101 is formed on each gear shaft, and after the pair of second connecting sheets, the pair of first connecting sheets and the first gear are sleeved on the corresponding gear shaft, the gear shaft is locked to the first shaft stop through a locking assembly 7; a second shaft stop 401 is formed on each shaft core, and a pair of second connecting sheets and a second gear are locked to the second shaft stops through a torsion assembly 8 after being sleeved on the corresponding shaft cores; the second gear is different in size from the first gear, and a gear ratio of the first gear to the second gear is not 1: 1.
In the structure, the synchronous gear set is provided with two gear shafts, the first gear is correspondingly arranged on each gear shaft, the two first gears are meshed with each other to form a gear transmission synchronous structure, and thus, the two shaft cores arranged on the left side and the right side of the synchronous gear set can synchronously open and close to rotate. The compensation gear set is provided with two shaft cores, each shaft core is correspondingly provided with a second gear, the second gear is meshed with the first gear of the adjacent synchronous gear set, and due to the fact that the first gear and the second gear are different in size and the gear ratio of the first gear to the second gear is not 1:1, when the compensation gear set rotates, the first gear can rotate relative to a gear shaft, the second gears on the two shaft cores can synchronously rotate around the adjacent first gears, and the overturning of a preset angle, such as 180-degree overturning, is achieved. Therefore, the gear ratio transmission of different gears is utilized to generate a variable, the position deviation of the flexible screen caused by bending can be compensated, the pulling force on the flexible screen caused by bending or opening can be avoided, and the stability of the flexible screen is ensured. The pair of first connecting sheets is used for clamping and positioning two first gears, the pair of second connecting sheets is used for clamping and positioning one first gear and one second gear, the other pair of second connecting sheets is used for clamping and positioning the other first gear and the other second gear, the locking assembly is used for locking the first connecting sheets and the first gears to a first shaft stop of the gear shaft, and the torsion assembly is used for locking the first connecting sheets, the second connecting sheets and the second gears to a second shaft stop of the shaft core and providing rotary torsion for rotation of the shaft core.
Referring to fig. 2 and 4, a pair of first connecting pieces may be sandwiched between two pairs of second connecting pieces, and likewise, it may be designed that two pairs of second connecting pieces are sandwiched between a pair of first connecting pieces.
Preferably, referring to fig. 2, the locking assembly includes a first washer 701 and a first nut 702, the first nut locks the pair of second connecting pieces, the pair of first connecting pieces and the first gear to the first axle stop, and the first washer is disposed on the inner side of the first nut. Therefore, the first gasket, the first connecting sheet and the first gear are locked at the first shaft stop through the first nut, so that the first gear can be positioned and can freely rotate relative to the gear shaft.
Preferably, referring to fig. 2 and 4, the flexible screen assembly further comprises a connecting block 9, the connecting block is arranged on the inner side of the first gasket, the two gear shafts are sleeved with the connecting block at the same time, and a protruding block 901 for being bonded with a bending part of the flexible screen is arranged on one side of the connecting block. The connecting block is connected between two gear shafts, links together two gear shafts, can keep the synchronous stability of two gear shafts, and through setting up the lug in one side of connecting block, the lug is used for bonding the department of bending of flexible screen, and the orientation when can confirming the flexible screen and bending, orientation uncertain problem when solving the flexible screen and bending improves the life of product.
Preferably, referring to fig. 2, the torsion assembly 8 includes two second spacers 801, a plurality of butterfly-shaped elastic pieces 802, and a second nut 803, the second nut locks the pair of second connecting pieces and the second gear to the second shaft stop, and one first spacer, the plurality of butterfly-shaped elastic pieces, and the other first spacer are sequentially disposed on an inner side of the second nut. The torque assembly formed by the second nut, the second gasket and the butterfly-shaped elastic sheet can realize the functions of providing rotating torque and tight-fit positioning. However, the torsion providing method is not limited to this, and in other embodiments, a cladding torsion method may be adopted, for example, the torsion assembly is provided as a plurality of torsion pieces, the torsion pieces are provided with circular holes corresponding to the gear shafts and C-shaped through holes corresponding to the shaft cores and having a stretching amount, the torsion pieces are simultaneously sleeved on the shaft cores and the adjacent gear shafts and are locked by the first nuts on the gear shafts, so that the gear shafts can freely rotate in the circumferential direction relative to the circular holes, and the shaft cores are elastically clad by the C-shaped through holes. Therefore, the functions of providing the rotating torque force and the tight-fit positioning can be realized through the elastic cladding force between the shaft core and the torque sheet.
As shown in fig. 5, an electronic device includes a housing a100, a housing B200, a flexible screen, and a flexible screen hinge, where the flexible screen hinge is connected between the housing a and the housing B, and the flexible screen is sequentially laid on the housing a, the flexible screen hinge, and the housing B. Use the utility model discloses the electronic equipment of flexible screen hinge can realize 0-180 degree synchronous upset, just the utility model discloses a gear drive realizes the flexible compensation of flexible screen with the help of variable tooth, and the structure is very simple, greatly reduced the production and processing cost, and can reduce the design space who occupies flexible screen electronic equipment, the slimming development of the electronic equipment of being convenient for.
Preferably, one locking accessory 300 is provided for each spindle, one of the locking accessories being connected to the housing a of the electronic device and the other locking accessory being connected to the housing B of the electronic device. Therefore, the two shaft cores are connected with the shell A and the shell B of the electronic equipment through the lock accessories, the two shaft cores are connected with the shell A and the shell B of the electronic equipment, and when the shell A and the shell B are opened or closed, the two shaft cores rotate synchronously.
To sum up, the utility model provides a flexible screen hinge and electronic equipment can realize flexible screen upset 180 degrees, bends or opens the skew that the in-process can compensate because of the bending brings, avoids bending or opens the process and produces the power of dragging to flexible screen, guarantees the stability of flexible screen, and the structure is very simple, manufacturing cost greatly reduced.
The above embodiments have been described in detail with reference to the accompanying drawings. Those skilled in the art can make various modifications and changes to the above embodiments without departing from the spirit of the present invention, and the scope of the present invention is also covered by the appended claims.
Claims (7)
1. A flexible screen hinge which characterized in that: the gear comprises a synchronous gear set and a compensation gear set, wherein the synchronous gear set comprises two gear shafts (1) and a pair of first connecting plates (2), a first gear (3) is correspondingly sleeved on each gear shaft, the two gear shafts are arranged in parallel, the first gear on one gear shaft and the first gear on the other gear shaft are in meshing transmission, and the first gears can freely rotate in the circumferential direction relative to the gear shafts; the pair of first connecting pieces are clamped at the front end and the rear end of the two first gears and are simultaneously sleeved on the two gear shafts; the compensating gear set comprises two shaft cores (4) and two pairs of second connecting sheets (5), a second gear (6) is correspondingly sleeved on each shaft core, the two shaft cores are respectively arranged on the left side and the right side of the synchronous gear set, the second gears on the shaft cores are in meshing transmission with the first gears on the adjacent gear shafts, and the second gears can axially slide relative to the shaft cores and can be circumferentially stopped; the pair of second connecting pieces are clamped at the front end and the rear end of one first gear and one second gear and are simultaneously sleeved on one gear shaft and one shaft core; the other pair of second connecting pieces are clamped at the front end and the rear end of the other first gear and the other second gear and are simultaneously sleeved on the other gear shaft and the other shaft core; a first shaft stop (101) is formed on each gear shaft, and after the pair of second connecting sheets, the pair of first connecting sheets and the first gear are sleeved on the corresponding gear shaft, the gear shafts are locked to the first shaft stops through a locking assembly (7); a second shaft stop (401) is formed on each shaft core, and a pair of second connecting sheets and a second gear are locked at the second shaft stop through a torsion assembly (8) after being sleeved on the corresponding shaft core; the second gear is different in size from the first gear, and a gear ratio of the first gear to the second gear is not 1: 1.
2. The flexible screen hinge of claim 1, wherein: the locking assembly comprises a first gasket (701) and a first nut (702), the first nut locks the pair of second connecting sheets, the pair of first connecting sheets and the first gear to the first shaft stop, and the first gasket is arranged on the inner side of the first nut.
3. The flexible screen hinge of claim 2, wherein: the flexible screen bending device is characterized by further comprising a connecting block (9), wherein the connecting block is arranged on the inner side of the first gasket, the connecting block is simultaneously sleeved on the two gear shafts, and a protruding block (901) which is used for being bonded with a bending part of the flexible screen is arranged on one side of the connecting block.
4. The flexible screen hinge of claim 2, wherein: the torsion assembly (8) comprises two second gaskets (801), a plurality of butterfly-shaped elastic sheets (802) and a second nut (803), the second nut locks the pair of second connecting sheets and the second gear to the second shaft stop, and one first gasket, the plurality of butterfly-shaped elastic sheets and the other first gasket are sequentially arranged on the inner side of the second nut.
5. The flexible screen hinge of claim 2, wherein: the torsion assembly comprises a plurality of torsion pieces, round holes corresponding to the gear shafts and C-shaped through holes corresponding to the shaft cores and having stretching amount are formed in the torsion pieces, the shaft cores and adjacent gear shafts are sleeved with the torsion pieces at the same time and are locked through the first nuts, the gear shafts can rotate freely in the circumferential direction relative to the round holes, and the shaft cores are elastically coated by the C-shaped through holes.
6. An electronic device, characterized in that: the flexible screen hinge comprises a shell A (100), a shell B (200), a flexible screen and the flexible screen hinge according to any one of claims 1 to 5, wherein the flexible screen hinge is connected between the shell A and the shell B, and the flexible screen is sequentially laid on the shell A, the flexible screen hinge and the shell B.
7. The electronic device of claim 6, wherein: and a lock accessory (300) is arranged corresponding to each shaft core, one lock accessory is connected with the shell A of the electronic equipment, and the other lock accessory is connected with the shell B of the electronic equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338537.XU CN211288435U (en) | 2019-12-24 | 2019-12-24 | Flexible screen hinge and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922338537.XU CN211288435U (en) | 2019-12-24 | 2019-12-24 | Flexible screen hinge and electronic equipment |
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| Publication Number | Publication Date |
|---|---|
| CN211288435U true CN211288435U (en) | 2020-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922338537.XU Withdrawn - After Issue CN211288435U (en) | 2019-12-24 | 2019-12-24 | Flexible screen hinge and electronic equipment |
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| Country | Link |
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| CN (1) | CN211288435U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110848242A (en) * | 2019-12-24 | 2020-02-28 | 昆山玮硕恒基智能科技股份有限公司 | Flexible screen hinge and electronic equipment |
| CN112581864A (en) * | 2020-09-24 | 2021-03-30 | 东莞市驭舟五金制品有限公司 | Rotating shaft mechanism of flexible screen |
| WO2021077829A1 (en) * | 2019-10-22 | 2021-04-29 | 华为技术有限公司 | Rotary shaft mechanism of electronic device and electronic device |
-
2019
- 2019-12-24 CN CN201922338537.XU patent/CN211288435U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021077829A1 (en) * | 2019-10-22 | 2021-04-29 | 华为技术有限公司 | Rotary shaft mechanism of electronic device and electronic device |
| CN110848242A (en) * | 2019-12-24 | 2020-02-28 | 昆山玮硕恒基智能科技股份有限公司 | Flexible screen hinge and electronic equipment |
| CN110848242B (en) * | 2019-12-24 | 2024-04-30 | 昆山玮硕恒基智能科技股份有限公司 | Flexible screen hinge and electronic equipment |
| CN112581864A (en) * | 2020-09-24 | 2021-03-30 | 东莞市驭舟五金制品有限公司 | Rotating shaft mechanism of flexible screen |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200818 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200818 Effective date of abandoning: 20240430 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |