CN219953944U - Semi-circular shaft hinge of flexible screen electronic terminal - Google Patents
Semi-circular shaft hinge of flexible screen electronic terminal Download PDFInfo
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- CN219953944U CN219953944U CN202321132217.9U CN202321132217U CN219953944U CN 219953944 U CN219953944 U CN 219953944U CN 202321132217 U CN202321132217 U CN 202321132217U CN 219953944 U CN219953944 U CN 219953944U
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Abstract
The utility model discloses a semicircular axis hinge of a flexible screen electronic terminal, which is characterized in that: the device comprises a base and sliding block movable frames arranged on two sides of the base, wherein a rotating main arm, a rotating auxiliary arm and a synchronous movable block are respectively arranged between the base and the sliding block movable frames; the base is provided with a cam movable frame, the base is connected with the cam movable frame in a lifting combination way, a spring for realizing lifting buffering is arranged between the base and the cam movable frame, the cam movable frame is in concave-convex fit with the revolute pair arm, and the spring provides elasticity to realize clamping point positioning; the base and the sliding block movable frame are respectively provided with a semicircular sliding block, both ends of the rotating main arm and one end of the rotating auxiliary arm are respectively provided with a semicircular sliding groove, and the semicircular sliding blocks are in sliding fit with the semicircular sliding grooves; the sliding block movable frame is provided with an inclined sliding groove, the synchronous movable block and the revolute pair arm are respectively provided with an inclined sliding block, and the inclined sliding blocks are in sliding fit with the inclined sliding grooves.
Description
Technical Field
The utility model relates to the technical field of telephone design, in particular to a design technology of a flexible screen folding mobile phone, and in particular relates to a semicircular axis hinge of a flexible screen electronic terminal.
Background
Compared with a traditional backlight source screen (LCD), the flexible screen (OLED) can emit light, and can realize excellent image quality through self-luminescence, and color development is natural and has no harm of blue light; the screen can be flexibly used, and can be bent and folded; the flexible light and thin screen is free from heating and comfortable in hand feeling, can create various screen forms such as a flexible screen, a curved screen, a folding screen and the like, and meets the development requirements of mobile phones. In the future, the flexible screen will be widely applied along with the continuous penetration of the personal intelligent terminal, and can also be used for various flexible screen electronic terminal products, such as: tablet, display, smart wearable device, etc.
The flexible screen generally comprises a plurality of layers of high polymer materials and OCA optical cement, and the complete flexible display screen comprising a plurality of layers of display materials is formed with a plurality of neutral layers, and due to the relation of multi-layer stacking, different stacks of the flexible display screen can generate elastic change and other factors, the bending movement track of the flexible display screen is necessarily irregular, and the flexible screen needs to have good plasticity and ductility when applied to a folding screen mobile phone, and the test is that: after repeated stretching and compression for many times, whether the screen can still keep crease-free and damage-free; whether the circuit board and components in the mobile phone can withstand folding and bending and the like; secondly, the bending area of the whole screen of the foldable mobile phone is connected with the middle frame or the shell through a precise hinge, so that the screen is bent and supported; at the same time, the hinge is sufficiently durable and reliable to withstand twenty thousand folds without error. The joint angle of the hinge and the screen is one of the technical difficulties of the foldable mobile phone, and the problems of low processing yield and high cost are also urgently needed to be solved.
To meet the above functions, a precise microstructure hinge is needed to realize, and the existing hinge can basically realize simple functions of damping torsion and synchronization, but cannot completely solve the problems of crease elimination and service life guarantee, and cannot meet the high precision and cost requirements of industrial manufacturing.
At present, the electronic terminal applied to the flexible screen is required to effectively save space, and mainly aims to improve the user experience, so that the electronic terminal is light and thin, and is convenient to use, and therefore higher requirements are provided for realizing a hinge capable of bending and rotating.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a semicircular axis hinge of a flexible screen electronic terminal.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the semicircular shaft hinge of the flexible screen electronic terminal comprises a base and sliding block movable frames arranged on two sides of the base, wherein a rotating main arm, a rotating auxiliary arm and a synchronous movable block are respectively arranged between the base and the sliding block movable frames;
the base is provided with a cam movable frame, the base is connected with the cam movable frame in a lifting combination way, a spring for realizing lifting buffering is arranged between the base and the cam movable frame, the cam movable frame is in concave-convex fit with the revolute pair arm, and the spring provides elasticity to realize clamping point positioning;
the base and the sliding block movable frame are respectively provided with a semicircular sliding block, both ends of the rotating main arm and one end of the rotating auxiliary arm are respectively provided with a semicircular sliding groove, and the semicircular sliding blocks are in sliding fit with the semicircular sliding grooves;
the sliding block movable frame is provided with an inclined sliding groove, the synchronous movable block and the revolute pair arm are respectively provided with an inclined sliding block, and the inclined sliding blocks are in sliding fit with the inclined sliding grooves.
Particularly, a rack is arranged between the synchronous movable blocks, a gear is arranged between the racks, the gear is meshed with the rack to realize synchronization, the gear and the rack are arranged on the base, a sliding column is arranged on the rack, a chute is arranged on the synchronous movable blocks, and the sliding column slides in the chute to realize synchronous rotation connection.
Particularly, the base is provided with a lifting hole, the cam movable frame is provided with a lifting column, and the lifting column is in lifting fit with the lifting hole.
Particularly, a screw thread movable block is arranged on the base, a screw thread groove is arranged on the screw thread movable block, a screw thread is arranged on the synchronous movable block, and the screw thread slides in the screw thread groove to realize synchronization.
The utility model has the beneficial effects that: according to the semicircular shaft hinge of the flexible screen electronic terminal, the clamping point self-locking and rotating assembly is integrally designed, all parts including the synchronous mechanism are integrated on the base, the whole joint for realizing rotation bending is realized by adopting a semicircular shaft connecting mode, namely, the semicircular arc groove and the semicircular arc sliding block are in sliding fit, so that the space is effectively saved, and the structure is simple and effective.
Drawings
FIG. 1 is a view of the hinge 0 degree structure in the embodiment of the present patent.
Fig. 2 is a 90 degree block diagram of the hinge in the embodiment of the present patent.
Fig. 3 is a 180 degree block diagram of the hinge in the embodiment of the present patent.
Fig. 4 is a partial structural view of the hinge in the embodiment of the present patent.
Fig. 5 is a schematic view of a partial connection of the base in the embodiment of the present patent.
Fig. 6 is a schematic diagram of the rack and pinion structure in the embodiment of the present patent.
Fig. 7 is a structural view of the rotating main arm in the embodiment of the present patent.
Fig. 8 is a diagram of the structure of the base in the embodiment of the present patent.
Fig. 9 is a diagram of a synchronous moving block structure in the embodiment of this patent.
Fig. 10 is a schematic view of a rotary sub-arm in the embodiment of the present patent.
Fig. 11 is an exploded view of the embodiment of the present patent.
Fig. 12 is a schematic view of a threaded connection of the embodiment of the present patent.
Fig. 13 is an exploded view of the threaded connection in the present embodiment.
Detailed Description
The utility model is further described below with reference to the accompanying drawings of the specification:
example 1:
as shown in fig. 1 to 13, the semicircular axis hinge of the flexible screen electronic terminal provided in this embodiment includes a base 1 and a sliding block movable frame 2 disposed at two sides of the base 1, and a main rotating arm 3, a auxiliary rotating arm 4 and a synchronous movable block 5 are respectively disposed between the base 1 and the sliding block movable frame 2; the base 1 is provided with a cam movable frame 6, the base 1 is connected with the cam movable frame 6 in a lifting combination way, a spring 7 for realizing lifting buffering is arranged between the base 1 and the cam movable frame 6, the cam movable frame 6 is matched with the revolute pair arm 4 in a concave-convex manner, the concave-convex manner is realized through a convex block 201 on the cam movable frame 6 and a groove 202 on the revolute pair arm 4, and the spring 7 provides elasticity to realize clamping point positioning; the base 1 and the sliding block movable frame 2 are respectively provided with a semicircular arc sliding block 55, both ends of the rotating main arm 3 and one end of the rotating auxiliary arm 4 are respectively provided with a semicircular arc sliding groove 66, and the semicircular arc sliding blocks 55 are in sliding fit with the semicircular arc sliding grooves 66; the sliding block movable frame 2 is provided with an inclined sliding groove 77, the synchronous movable block 5 and the revolute pair arm 4 are respectively provided with an inclined sliding block 88, and the inclined sliding blocks 88 are in sliding fit with the inclined sliding groove 77.
In this embodiment, a rack 8 is disposed between the synchronous moving blocks 5, a gear 9 is disposed between the racks 8, the gear 9 is meshed with the rack 8 to achieve synchronization, the gear 9 and the rack 8 are both disposed on the base 1, a sliding column 99 is disposed on the rack 8, a chute 98 is disposed on the synchronous moving blocks 5, and the sliding column 99 slides in the chute 98 to achieve synchronous rotation connection. The base 1 is provided with a lifting hole 33, the cam movable frame 6 is provided with a lifting column 44, and the lifting column 44 is in lifting fit with the lifting hole 33. A rivet for realizing positioning is arranged between the base 1 and the gear 9. The lower part of the base 1 is also provided with a rotating shaft cover 12. The upper ends of the sliding block movable frames 2 on the two sides of the base 1 are provided with a screen lower connecting plate 13.
When the gear and rack synchronization is not adopted, the base 1 is provided with a threaded movable block 11, the threaded movable block 11 is provided with a spiral groove 111, the synchronous movable block 5 is provided with a spiral line 112, and the spiral line 112 slides in the spiral groove 111 to realize synchronization. When the synchronous mode is adopted, the two ends of the synchronous movable block are provided with independent arc blocks 301 which are in sliding fit with the synchronous movable block.
The basic principle of the above embodiment is as follows:
the hinge of this embodiment takes the base 1 as the main body, the rotation main arm 3, the rotation auxiliary arm 4 and the synchronization movable block 5 are all arranged on two sides of the base 1 to realize the utilization of space maximization, the base 1 and the rotation main arm 3, the rotation auxiliary arm 4 and the synchronization movable block 5 are all in sliding fit with the semicircular arc sliding groove 66 to form a semicircular shaft rotation mechanism through the semicircular arc sliding block 55, and the rotation auxiliary arm 4, the synchronization movable block 5 and the sliding block movable frame 2 are directly in sliding fit with the inclined sliding groove 77 to realize rotation connection, a connection mode of a straight sliding groove and a straight sliding block is not adopted, and the space is saved, and the rotation main arm 3 and the sliding block movable frame 2 are also in sliding fit with the semicircular arc sliding groove 66 through the semicircular arc sliding block 55.
The integral design is with stuck point auto-lock and rotation subassembly integrated design, and all spare and accessory parts including synchro mechanism are integrated on the base, and the junction that whole realization was rotated and is buckled all adopts the connected mode of semicircle axle, and semicircular arc groove and semicircular arc slider's sliding fit realize promptly, effectively practices thrift the space, and the simple effective of structural composition.
The foregoing description is only illustrative of the preferred embodiments of the utility model and is not intended to limit the scope of the utility model, so that equivalent changes or modifications to the constructions, features and principles of the utility model described herein will be made by those ordinarily skilled in the art without departing from the spirit of the utility model.
Claims (4)
1. The semicircle axle hinge of flexible screen electronic terminal, its characterized in that: the device comprises a base and sliding block movable frames arranged on two sides of the base, wherein a rotating main arm, a rotating auxiliary arm and a synchronous movable block are respectively arranged between the base and the sliding block movable frames;
the base is provided with a cam movable frame, the base is connected with the cam movable frame in a lifting combination way, a spring for realizing lifting buffering is arranged between the base and the cam movable frame, the cam movable frame is in concave-convex fit with the revolute pair arm, and the spring provides elasticity to realize clamping point positioning;
the base and the sliding block movable frame are respectively provided with a semicircular sliding block, both ends of the rotating main arm and one end of the rotating auxiliary arm are respectively provided with a semicircular sliding groove, and the semicircular sliding blocks are in sliding fit with the semicircular sliding grooves;
the sliding block movable frame is provided with an inclined sliding groove, the synchronous movable block and the revolute pair arm are respectively provided with an inclined sliding block, and the inclined sliding blocks are in sliding fit with the inclined sliding grooves.
2. The flexible screen electronic terminal semicircular axis hinge of claim 1, wherein:
the synchronous movable blocks are arranged on the base, a rack is arranged between the synchronous movable blocks, a gear is arranged between the racks, the gear is meshed with the rack to realize synchronization, the gear and the rack are arranged on the base, a sliding column is arranged on the rack, a chute is arranged on the synchronous movable blocks, and the sliding column slides in the chute to realize synchronous rotation connection.
3. The flexible screen electronic terminal semicircular axis hinge of claim 1, wherein:
the lifting hole is formed in the base, the lifting column is arranged on the cam movable frame, and the lifting column is in lifting fit with the lifting hole.
4. The flexible screen electronic terminal semicircular axis hinge of claim 1, wherein:
the base is provided with a threaded movable block, the threaded movable block is provided with a spiral groove, the synchronous movable block is provided with spiral lines, and the spiral lines slide in the spiral grooves to realize synchronization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321132217.9U CN219953944U (en) | 2023-05-10 | 2023-05-10 | Semi-circular shaft hinge of flexible screen electronic terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321132217.9U CN219953944U (en) | 2023-05-10 | 2023-05-10 | Semi-circular shaft hinge of flexible screen electronic terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219953944U true CN219953944U (en) | 2023-11-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321132217.9U Active CN219953944U (en) | 2023-05-10 | 2023-05-10 | Semi-circular shaft hinge of flexible screen electronic terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219953944U (en) |
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2023
- 2023-05-10 CN CN202321132217.9U patent/CN219953944U/en active Active
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