CN215805720U - Pivot device and electronic device using same - Google Patents
Pivot device and electronic device using same Download PDFInfo
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- CN215805720U CN215805720U CN202122209828.6U CN202122209828U CN215805720U CN 215805720 U CN215805720 U CN 215805720U CN 202122209828 U CN202122209828 U CN 202122209828U CN 215805720 U CN215805720 U CN 215805720U
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Abstract
The utility model relates to the technical field of flexible screen folding devices, and discloses a pivot device, which comprises a door plate and an inner shaft; the two door panels are respectively pivoted on two sides of the inner shaft; the inner shaft is provided with a pivot mechanism and a synchronous mechanism; the hinge mechanism comprises a hinge door plate connecting rod and a hinge bottom plate; the synchronous mechanism comprises a synchronous door plate connecting rod and a synchronous bottom plate; the door plate and the hinge door plate connecting rod are movably connected with the hinge bottom plate; the door plate and the hinge door plate connecting rod can rotate around the hinge bottom plate; the synchronous door plate connecting rod is movably connected with the synchronous bottom plate; the synchronous door plate connecting rod can rotate around the synchronous bottom plate; the door plate is provided with a plurality of arc-shaped limiting blocks; the hinge door plate connecting rod and the synchronous door plate connecting rod are provided with door plate sliding tracks matched with the limiting blocks; the limiting block is inserted into the door plate sliding track.
Description
Technical Field
The present disclosure relates to a flexible screen folding device, and more particularly to a hinge device and an electronic device using the same.
Background
As the flexible display screen is improved in the capability of being flexibly folded or bent, electronic devices with foldable screens are gradually coming out. The folding mechanism has the same action principle, but the structure and the flexible screen are mutually limited, such as the bending and stretching service life of the flexible screen, the design and manufacturing difficulty of the folding mechanism and the like. In order to protect the flexible screen from being bent and damaged, the folding mechanism is complex in design, and the flexible screen is prevented from being influenced by external force by a common virtual circle or a plurality of structures with different rotating circle centers. The complexity of the folding mechanism makes the manufacturing difficult and costly, which is not favorable for the popularization of flexible screen electronic products.
Disclosure of Invention
The utility model provides a hinge device with a simplified structure and an electronic device using the same.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a pivot device comprises a door plate and an inner shaft; the two door panels are respectively pivoted on two sides of the inner shaft; the inner shaft is provided with a pivot mechanism and a synchronous mechanism; the hinge mechanism comprises a hinge door plate connecting rod and a hinge bottom plate; the synchronous mechanism comprises a synchronous door plate connecting rod and a synchronous bottom plate; the door plate and the hinge door plate connecting rod are movably connected with the hinge bottom plate; the door plate and the hinge door plate connecting rod can rotate around the hinge bottom plate; the synchronous door plate connecting rod is movably connected with the synchronous bottom plate; the synchronous door plate connecting rod can rotate around the synchronous bottom plate; the door plate is provided with a plurality of arc-shaped limiting blocks; the hinge door plate connecting rod and the synchronous door plate connecting rod are provided with door plate sliding tracks matched with the limiting blocks; the limiting block is inserted into the door plate sliding track.
Further, the method comprises the following steps: the hinge mechanisms are two in number and are symmetrically distributed at two ends of the inner shaft; the synchronous mechanism is positioned in the middle of the inner shaft.
Further, the method comprises the following steps: the hinge bottom plate is arranged on the inner shaft; a rotating arm is arranged between the hinge bottom plate and the hinge door plate connecting rod.
Further, the method comprises the following steps: two ends of the rotating arm are respectively pivoted with the hinge door panel connecting rod and the hinge bottom plate, so that the hinge door panel connecting rod can rotate around the hinge bottom plate.
Further, the method comprises the following steps: a transmission mechanism is arranged between the hinge bottom plate and the door plate.
Further, the method comprises the following steps: the transmission mechanism comprises a plurality of transmission gears and gear connecting rods which are meshed in sequence; one end of the gear connecting rod is fixedly connected with the transmission gear, and the other end of the gear connecting rod extends into the pivot door panel connecting rod and is pivoted with the door panel, so that the door panel and the pivot door panel connecting rod can synchronously rotate around the pivot bottom plate.
Further, the method comprises the following steps: the synchronous bottom plate is arranged on the inner shaft; and a synchronous swing arm is arranged between the synchronous bottom plate and the synchronous door plate connecting rod.
Further, the method comprises the following steps: one end of the synchronous swing arm is pivoted with the synchronous bottom plate, and the other end of the synchronous swing arm extends into the synchronous door panel connecting rod and is pivoted with the door panel, so that the synchronous door panel connecting rod and the door panel can synchronously rotate around the synchronous bottom plate.
An electronic device comprises the hinge device.
Further, the method comprises the following steps: and a flexible screen is arranged on the door plate.
The utility model has the beneficial effects that:
1. the hinge mechanisms and the synchronizing mechanisms are simple in structure, the number of parts is small, the two sets of hinge mechanisms are utilized to drive the door plate to rotate, the synchronizing mechanisms are arranged between the two sets of hinge mechanisms, synchronous rotation of all parts of the door plate is guaranteed, and damage to the flexible screen caused by unsmooth rotation or deformation and blocking of the door plate is avoided.
2. The door plate is driven to rotate by the gear connecting rod and the pivot door plate connecting rod, so that the door plate is uniformly stressed, and the door plate deformation caused by nonuniform stress is prevented.
3. The limiting block is matched with the door plate sliding track to limit the rotating path of the door plate, so that the door plate can be prevented from deviating when rotating.
Drawings
FIG. 1 is a schematic view of a hinge;
FIG. 2 is an enlarged view of a portion of the hinge;
FIG. 3 is a schematic view of the bottom structure of the hinge;
FIG. 4 is a schematic view of a hinge mechanism;
FIG. 5 is a schematic view of a synchronization mechanism;
FIG. 6 is a cross-sectional view of the hinge mechanism of the hinge device at 180 degrees;
FIG. 7 is a cross-sectional view of the synchronizing mechanism of the hinge device at 180 degrees;
FIG. 8 is a cross-sectional view of the hinge mechanism of the hinge device at 90 degrees;
fig. 9 is a cross-sectional view of the synchronizing mechanism of the hinge device at 90 °.
Labeled as: 1. a door panel; 11. a limiting block; 2. an inner shaft; 21. a hinge mechanism; 211. a hinge door panel connecting rod; 2111. a door panel sliding track; 212. a hinge base plate; 2121. a transmission gear; 2122. a rotating arm; 2123. a gear link; 22. a synchronization mechanism; 221. a synchronous door plate connecting rod; 222. a synchronization backplane; 2221. synchronous swing arm.
Detailed Description
For the purpose of enhancing the understanding of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
Examples
As shown in fig. 1 to 9, a hinge device includes a door panel 1 and an inner shaft 2; the two door panels 1 are respectively pivoted on two sides of the inner shaft 2; the inner shaft 2 is provided with a hinge mechanism 21 and a synchronous mechanism 22; the hinge mechanism 21 comprises a hinge plate connecting rod 211 and a hinge base plate 212; the synchronizing mechanism 22 comprises a synchronizing door panel connecting rod 221 and a synchronizing bottom plate 222; the door panel 1 and the hinge door panel connecting rod 211 are movably connected with the hinge bottom plate 212; the door panel 1 and the hinge door panel connecting rod 211 can rotate around the hinge bottom plate 212; the synchronous door panel connecting rod 221 is movably connected with the synchronous bottom plate 222; the timing door panel connecting rod 221 can rotate around the timing bottom plate 222; the door plate 1 is provided with a plurality of arc-shaped limiting blocks 11; the hinge door panel connecting rod 211 and the synchronous door panel connecting rod 221 are provided with door panel sliding rails 2111 matched with the limiting blocks 11; the limiting block 11 is inserted in the door panel sliding track 2111.
On the basis, the number of the pivot mechanisms 21 is two, and the two pivot mechanisms are symmetrically distributed at two ends of the inner shaft 2; the synchronization mechanism 22 is located in the middle of the inner shaft 2.
On the basis, the hinge bottom plate 212 is installed on the inner shaft 2; a rotating arm 2122 is arranged between the hinge base plate 212 and the hinge plate connecting rod 211.
On the basis, two ends of the rotating arm 2122 are pivotally connected to the door hinge connecting rod 211 and the door hinge base 212, so that the door hinge connecting rod 211 can rotate around the door hinge base 212.
On the basis, a transmission mechanism is arranged between the hinge bottom plate 212 and the door panel 1.
On the basis, the transmission mechanism comprises a plurality of transmission gears 2121 and gear connecting rods 2123 which are meshed in sequence; one end of the gear connecting rod 2123 is fixedly connected to the transmission gear 2121, and the other end of the gear connecting rod extends into the hinge door connecting rod 211 and is pivotally connected to the door 1, so that the door 1 and the hinge door connecting rod 211 can synchronously rotate around the hinge bottom plate 212.
On the basis of the above, the synchronizing base plate 222 is mounted on the inner shaft 2; a synchronous swing arm 2221 is arranged between the synchronous bottom plate 222 and the synchronous door panel connecting rod 221.
On the basis of the above, one end of the synchronous swing arm 2221 is pivotally connected to the synchronous base plate 222, and the other end thereof extends into the synchronous door panel connecting rod 221 and is pivotally connected to the door panel 1, so that the synchronous door panel connecting rod 221 and the door panel 1 can synchronously rotate around the synchronous base plate 222.
In order to ensure that the door panels 1 on the two sides of the inner shaft 2 rotate in a mirror image mode about the inner shaft 2, an even number of the rotating gears 2121 are required; when the rotating gear 2121 rotates, the gear connecting rod 2123 drives the hinge door panel connecting rod 211 and the door panel 1 to rotate synchronously around the inner shaft 2, so as to complete the folding action; in the folding process, the limiting block 11 on the door panel 1 slides along the door panel sliding track 2111 to limit the rotation path of the door panel 1 and prevent the door panel 1 from rotating to abnormally extrude the flexible screen; the rotating arm 2122 assists the hinge plate connecting rod 211 to rotate, so that the integral hinge plate 211 can rotate synchronously, and the unsmooth rotation of the door plate 1 caused by the deviation of the connecting rod of the hinge plate 211 is avoided; the synchronizing mechanism 22 is located in the middle and supports the door panel 1 to rotate synchronously, so that the flexible screen is prevented from being damaged due to the fact that the door panel 1 rotates integrally and asynchronously.
An electronic device comprises the hinge device, a flexible screen is arranged on a door plate 1, and the flexible screen is driven to be folded and laid flat through the rotation of the door plate 1.
The above embodiments should not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent transformations fall within the protection scope of the present invention.
Claims (10)
1. A pivot device comprises a door panel (1) and an inner shaft (2); the two door panels (1) are respectively pivoted on two sides of the inner shaft (2); the method is characterized in that: the inner shaft (2) is provided with a pivot mechanism (21) and a synchronous mechanism (22); the hinge mechanism (21) comprises a hinge door plate connecting rod (211) and a hinge bottom plate (212); the synchronous mechanism (22) comprises a synchronous door panel connecting rod (221) and a synchronous bottom plate (222); the door panel (1) and the hinge door panel connecting rod (211) are movably connected with the hinge bottom plate (212); the door panel (1) and the hinge door panel connecting rod (211) can rotate around the hinge bottom plate (212); the synchronous door plate connecting rod (221) is movably connected with the synchronous bottom plate (222); the synchronous door plate connecting rod (221) can rotate around the synchronous bottom plate (222); a plurality of arc-shaped limiting blocks (11) are arranged on the door panel (1); the hinge door plate connecting rod (211) and the synchronous door plate connecting rod (221) are provided with door plate sliding tracks (2111) matched with the limiting block (11); the limiting block (11) is inserted into the door plate sliding track (2111).
2. A hinge according to claim 1, wherein: the hinge mechanisms (21) are two in number and are symmetrically distributed at two ends of the inner shaft (2); the synchronous mechanism (22) is positioned in the middle of the inner shaft (2).
3. A hinge according to claim 2, wherein: the hinge bottom plate (212) is arranged on the inner shaft (2); a rotating arm (2122) is arranged between the hinge bottom plate (212) and the hinge door plate connecting rod (211).
4. A hinge according to claim 3, wherein: two ends of the rotating arm (2122) are respectively pivoted with the hinge door panel connecting rod (211) and the hinge bottom plate (212), so that the hinge door panel connecting rod (211) can rotate around the hinge bottom plate (212).
5. A hinge according to claim 3, wherein: a transmission mechanism is arranged between the hinge bottom plate (212) and the door panel (1).
6. A hinge according to claim 5, wherein: the transmission mechanism comprises a plurality of transmission gears (2121) and gear connecting rods (2123) which are meshed in sequence; one end of the gear connecting rod (2123) is fixedly connected with the transmission gear (2121), and the other end of the gear connecting rod extends into the hinge door panel connecting rod (211) and is pivoted with the door panel (1), so that the door panel (1) and the hinge door panel connecting rod (211) can synchronously rotate around the hinge bottom plate (212).
7. A hinge according to claim 1, wherein: the synchronous bottom plate (222) is arranged on the inner shaft (2); a synchronous swing arm (2221) is arranged between the synchronous bottom plate (222) and the synchronous door panel connecting rod (221).
8. A hinge according to claim 7, wherein: one end of the synchronous swing arm (2221) is pivoted with the synchronous bottom plate (222), and the other end of the synchronous swing arm extends into the synchronous door panel connecting rod (221) and is pivoted with the door panel (1), so that the synchronous door panel connecting rod (221) and the door panel (1) can synchronously rotate around the synchronous bottom plate (222).
9. An electronic device, characterized in that: a hinge comprising the hinge of any one of claims 1-8.
10. An electronic device according to claim 9, wherein: the door plate (1) is provided with a flexible screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122209828.6U CN215805720U (en) | 2021-09-14 | 2021-09-14 | Pivot device and electronic device using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122209828.6U CN215805720U (en) | 2021-09-14 | 2021-09-14 | Pivot device and electronic device using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215805720U true CN215805720U (en) | 2022-02-11 |
Family
ID=80159569
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122209828.6U Active CN215805720U (en) | 2021-09-14 | 2021-09-14 | Pivot device and electronic device using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215805720U (en) |
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2021
- 2021-09-14 CN CN202122209828.6U patent/CN215805720U/en active Active
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