CN217682781U - Multi-joint hinge - Google Patents
Multi-joint hinge Download PDFInfo
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- CN217682781U CN217682781U CN202220851206.5U CN202220851206U CN217682781U CN 217682781 U CN217682781 U CN 217682781U CN 202220851206 U CN202220851206 U CN 202220851206U CN 217682781 U CN217682781 U CN 217682781U
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- joint
- flexible screen
- arc groove
- fixed plate
- circular arc
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Abstract
The utility model provides a multi-joint hinge, including fixed plate, left side and right side motion structure all include side joint spare and intermediate junction joint spare, intermediate junction joint spare and side joint spare rotate through first circular arc groove and first round pin and connect, fixed plate and intermediate junction joint spare rotate through second circular arc groove and second round pin and connect, swing joint restraint connecting rod between side joint spare and the fixed plate, the centre of a circle of first and second circular arc groove is located the flexible screen support surface when flexible screen mobile terminal is flattened; the synchronous reverse connection structure is connected between the left side movement structure and the right side movement structure. The utility model discloses simple structure under the condition that does not use lifter plate or rotor plate, can adapt to the form when flexible screen buckles to and then the arc shape of buckling to flexible screen middle part provides the circular arc and supports, can be applied to the hinge equipment on digital products such as notebook computer, panel computer, cell-phone.
Description
Technical Field
The utility model relates to a hinge especially relates to be applied to the hinge of portable mobile terminals such as notebook computer that adopts flexible screen.
Background
To flexible screen mobile terminal, in order to adapt to the form when flexible screen buckles, some can adopt the backup pad that is close to the middle part to rotate the scheme of dodging, also some can adopt the mode that middle part backup pad goes up and down. These structures all have the problem of relatively complex structures, increasing the quality risk and cost.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a many joints hinge can be applied to portable mobile terminal such as notebook computer that adopts flexible screen, provides dodging of flexible screen middle part position when folding, and simple structure.
Therefore, the utility model adopts the following technical scheme:
the multi-joint hinge comprises a fixed plate and is characterized in that the multi-joint hinge further comprises a left side motion structure and a right side motion structure, the left side motion structure and the right side motion structure respectively comprise a side joint part and a middle connection joint part, the middle connection joint part and the side joint part are rotationally connected through a first arc groove and a first pin, the fixed plate and the middle connection joint part are rotationally connected through a second arc groove and a second pin, a constraint connecting rod is movably connected between the side joint part and the fixed plate, the constraint connecting rod is provided with a position avoiding concave area, the state corresponding to the unfolding and the normal state of the applied flexible screen mobile terminal is taken as a reference state, and the circle centers of the first arc groove and the second arc groove are positioned above the flexible screen supporting surface when the flexible screen mobile terminal is unfolded; and a synchronous reverse connection structure is connected between the left side movement structure and the right side movement structure.
On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme, or to these further technical scheme combined use:
in the axial projection, the first circular arc groove circle centers of the left side motion structure and the right side motion structure are symmetrically arranged, and the second circular arc groove circle centers of the left side motion structure and the right side motion structure are symmetrically arranged.
The state of the flexible screen mobile terminal corresponding to the application in flattening is taken as a reference state, in the overlooking projection, the middle connecting joint pieces of the left moving structure and the right moving structure are arranged in a staggered mode in the axial direction, and the adjacent end portions are overlapped in a staggered mode.
The end parts of the constraint connecting rods of the left side movement structure and the right side movement structure are provided with the synchronous reverse connection structure, and the synchronous reverse connection structure adopts a gear meshing transmission mechanism.
The surface of the restraint connecting rod avoidance concave area is set to be corresponding to the middle bending shape of the flexible screen during folding, and the middle bending part of the flexible screen during folding is supported.
The first circular arc groove and the second circular arc groove are both arranged in the middle connecting joint piece.
The constraint connecting rod is rotatably connected with the fixed plate through a solid shaft and is movably connected with the side joint piece through a guide groove and a pin.
The middle connecting joint part is a metal plate part.
The constraint connecting rod is respectively connected with the side joint piece and the fixing plate in a rotating way through a real shaft.
The side joint pieces of the left side motion structure and the right side motion structure are provided with positions for connecting the hinge to the flexible screen mobile terminal.
The utility model provides a many joints hinge simple structure under the condition that does not use lifter plate or rotor plate, can adapt to the form when flexible screen buckles to and then the arc shape of buckling to flexible screen middle part provides the circular arc and supports, can be applied to the hinge equipment on digital products such as notebook computer, panel computer, cell-phone. The utility model discloses a cooperation symmetrical gear drive realizes the simultaneous movement of both sides motion structure, compares that conventional full gear drive can be more stable, and the synchronism is higher.
Drawings
Fig. 1 is an exploded view of an embodiment of the present invention.
FIG. 2 is a schematic view of a multi-joint connection structure according to an embodiment of the present invention
Fig. 3 is a schematic diagram of a synchronous reverse connection structure according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of the embodiment of the present invention when the corresponding mobile terminal is folded.
Fig. 5 is a schematic diagram of the embodiment of the present invention when the mobile terminal is unfolded.
Detailed Description
Reference is made to the accompanying drawings. The utility model provides a multi-joint hinge, including fixed plate 3, left side motion structure and right side motion structure when being applied to flexible screen mobile terminal, fixed plate 3 is installed in flexible screen mobile terminal's middle casing.
Left side motion structure and right side motion structure all include side joint spare 1 and intermediate junction joint spare 2, intermediate junction joint spare 2 and side joint spare 1 rotate through first circular arc groove 11 and first round pin 12 to be connected, fixed plate 3 and intermediate junction joint spare 2 rotate through second circular arc groove 21 and second round pin 22 to be connected, swing joint restraint connecting rod 4 between side joint spare 1 and the fixed plate 3, restraint connecting rod 4 makes many joints hinge have had the rigidity. The restraining connecting rod 4 is provided with a clearance concave area 40.
From this, left side motion structure and right side motion structure set up two joints respectively, and through adjusting the interval between two joints, can change the size change in interior limit space, satisfy the demand that the product used. The side joint members 1 of the left and right moving structures are provided with portions, such as screw connection portions 13, for connecting the hinge to the flexible screen mobile terminal.
Taking the state of the applied flexible screen mobile terminal during flattening as a reference state, wherein circle centers A1 and A2 of the first arc groove 11 and the second arc groove 21 are positioned above the flexible screen supporting surface during flattening of the flexible screen mobile terminal; and a synchronous reverse connection structure is connected between the left side movement structure and the right side movement structure. The restraint connecting rod 4 is rotatably connected with the fixed plate 3 through a solid shaft 51 and is movably connected with the side joint element 1 through a guide groove 53 and a pin 52. Wherein the guide slot is arranged on the restraining link 4.
The utility model discloses in, the rotation center symmetry sets up, that is, on the axial projection, the first circular arc groove centre of a circle A1 symmetry of left side motion structure and right side motion structure sets up, the second circular arc groove centre of a circle A2 symmetry of left side motion structure and right side motion structure sets up.
Further, with the state of the applied flexible screen mobile terminal in flat state as a reference state, in a top view projection, the middle connecting side joint members 2 of the left side motion structure and the right side motion structure are arranged in a staggered manner in the axial direction, and are overlapped at the adjacent end portions 20 in a staggered manner. Preferably, the first arc groove 11 and the second arc groove 21 are both provided on the intermediate connection joint member 2. The middle connecting joint part is a metal plate part.
The end parts of the restraint connecting rods 4 of the left side movement structure and the right side movement structure are provided with the synchronous reverse connection structure, the synchronous reverse connection structure adopts a gear meshing transmission mechanism, reference numerals 41 and 42 are gears arranged at the end parts of the restraint connecting rods 4 of the left side movement structure and the right side movement structure, and the gears 41 and 42 are in meshing connection.
The surface of the restraining link avoiding concave area 40 is set to correspond to the middle bending shape of the flexible screen when folded, and supports the middle bending part of the flexible screen when folded.
The above description is only for the specific embodiments of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications made by those skilled in the art in the field of the present invention are all covered in the protection scope of the present invention.
It is to be understood that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the invention and the above-described drawings are intended to cover non-exclusive inclusions. The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "the inside", "the horizontal", "the end", "the length", "the outer end", "the left", "the right", "the upper", "the lower", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
Claims (10)
1. The multi-joint hinge comprises a fixed plate and is characterized by further comprising a left side motion structure and a right side motion structure, wherein the left side motion structure and the right side motion structure respectively comprise a side joint part and a middle connection joint part, the middle connection joint part and the side joint part are rotationally connected through a first arc groove and a first pin, the fixed plate and the middle connection joint part are rotationally connected through a second arc groove and a second pin, a constraint connecting rod is movably connected between the side joint part and the fixed plate, the constraint connecting rod is provided with a position avoiding concave area, the state corresponding to the applied flexible screen mobile terminal during flattening is taken as a reference state, and the circle centers of the first arc groove and the second arc groove are located above the flexible screen supporting surface when the flexible screen mobile terminal is flattened; and a synchronous reverse connection structure is connected between the left side movement structure and the right side movement structure.
2. The multi-joint hinge according to claim 1, wherein in axial projection, the first circular arc grooves of the left and right moving structures are arranged in a circle-symmetric manner, and the second circular arc grooves of the left and right moving structures are arranged in a circle-symmetric manner.
3. The multi-joint hinge according to claim 2, wherein the intermediate connecting joint members of the left side motion structure and the right side motion structure are axially offset in a plan view projection with a staggered overlap at adjacent ends, with reference to a flat state corresponding to the flexible screen mobile terminal to which the multi-joint hinge is applied.
4. The multi-joint hinge according to claim 1, wherein the synchronous counter-rotating connecting structure is provided at the end of the restraining link of the left and right moving structures, and the synchronous counter-rotating connecting structure employs a gear engagement transmission mechanism.
5. The multi-joint hinge according to claim 1, wherein the surface of the restraining link avoiding concave area is configured to correspond to a middle bending shape of the flexible screen when folded and to support the middle bending portion of the flexible screen when folded.
6. The multi-joint hinge according to claim 1, wherein the first circular arc groove and the second circular arc groove are provided in the intermediate connection joint member.
7. The multi-joint hinge according to claim 1, wherein said constraining links are pivotally connected to the fixed plate by solid shafts and movably connected to the side joint members by guide slots and pins.
8. The multiple knuckle hinge of claim 1, wherein the intermediate connecting knuckle is a sheet metal member.
9. The multi-joint hinge according to claim 1, wherein the restraining links are pivotally connected to the lateral side joint members and the fixed plate by means of solid shafts, respectively.
10. The multi-joint hinge of claim 1, wherein the side joint members of said left and right motion structures are provided at locations connecting said hinge to a flexible screen mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220851206.5U CN217682781U (en) | 2022-04-13 | 2022-04-13 | Multi-joint hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220851206.5U CN217682781U (en) | 2022-04-13 | 2022-04-13 | Multi-joint hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217682781U true CN217682781U (en) | 2022-10-28 |
Family
ID=83733455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220851206.5U Active CN217682781U (en) | 2022-04-13 | 2022-04-13 | Multi-joint hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217682781U (en) |
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2022
- 2022-04-13 CN CN202220851206.5U patent/CN217682781U/en active Active
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