CN220687823U - Rotating shaft mechanism for improving shaking and hovering performance - Google Patents
Rotating shaft mechanism for improving shaking and hovering performance Download PDFInfo
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- CN220687823U CN220687823U CN202322293101.XU CN202322293101U CN220687823U CN 220687823 U CN220687823 U CN 220687823U CN 202322293101 U CN202322293101 U CN 202322293101U CN 220687823 U CN220687823 U CN 220687823U
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- connecting seat
- rotating arm
- elastic
- shaking
- shaft mechanism
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- 230000007246 mechanism Effects 0.000 title claims abstract description 35
- 239000000463 material Substances 0.000 claims description 30
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 6
- 238000001746 injection moulding Methods 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 description 4
- 239000013013 elastic material Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a rotating shaft mechanism for improving shaking and hovering performance, which comprises a middle connecting seat, a first rotating arm, a second rotating arm and a shell connecting seat, wherein a first elastic friction structure is arranged at the lap joint of the first rotating arm and the shell connecting seat, and friction resistance is provided and the shell connecting seat is prevented from shaking when the shell connecting seat slides relative to the first rotating arm; and/or the lap joint of the second rotating arm and the middle connecting seat is provided with a second elastic friction structure, so that friction resistance is provided and axial rubbing is prevented during rotation. The utility model can improve shaking and hovering performance in a simpler mode without increasing space occupation, and can be applied to a virtual rotating shaft mechanism of the rotating shaft mechanism and a sliding fit structure for comparing a connecting piece with rotating connection, so that the performance of the rotating shaft mechanism is comprehensively improved.
Description
Technical Field
The present utility model relates to a hinge applied to a portable electronic terminal, which may be a mobile phone, a notebook, etc., and particularly a portable electronic terminal employing a flexible screen.
Background
Folding mobile phones sold in the market at present have shaking in the opening and closing directions in the middle state; in the closed state, rubbing exists in the width direction of the mobile phone. In the case of sold mobile phones, the hovering performance is insufficient, as the mobile phones are thinned and made small, the space of the rotating shaft is smaller and smaller, and the problem of poor hovering is more remarkable. In a portable electronic terminal with a flexible screen, in order to improve shaking and hovering performance, a functional mechanism such as a torsion spring is arranged on a sliding piece, but the functional mechanism occupies a large space and is difficult to apply to a thin mobile phone. And, this structure cannot be applied to a virtual hinge in a flexible screen portable electronic terminal.
Disclosure of Invention
The utility model aims to provide a rotating shaft mechanism for improving shaking and hovering performances, which can improve the shaking and hovering performances in a simpler way without increasing space occupation and can be applied to different movement mechanisms in the rotating shaft mechanism. For this purpose, the utility model adopts the following technical scheme:
the rotating shaft mechanism for improving the shaking and hovering performance comprises a middle connecting seat, a first rotating arm, a second rotating arm and a shell connecting seat, wherein the first rotating arm and the middle connecting seat are in rotating connection through a real shaft, the second rotating arm is in rotating connection with the middle connecting seat through an arc sliding block and an arc guide rail, and the shell connecting seat is in sliding connection with the first rotating arm and in rotating connection with the second rotating arm; the device is characterized in that a first elastic friction structure is arranged at the lap joint of the first rotating arm and the shell connecting seat, and friction resistance is provided and the shell connecting seat is prevented from shaking when the shell connecting seat slides relative to the first rotating arm; and/or the lap joint of the second rotating arm and the middle connecting seat is provided with a second elastic friction structure, so that friction resistance is provided and axial rubbing is prevented during rotation.
On the basis of adopting the technical scheme, the utility model can also adopt or combine to adopt the following further technical scheme:
the second elastic friction structure is arranged in the second rotating arm and is positioned at the rear part of the arc sliding block of the second rotating arm, and the rear part is in whole lap joint with the middle connecting seat in the rotation of the second rotating arm; or/and the second elastic friction structure is arranged on a part fixedly connected with the middle connecting seat.
The second elastic friction structure is arranged at the edge part of the circular arc sliding block matched with the circular arc guide rail or/and at the part of the circular arc sliding block, which is positioned at the inner side of the edge part of the circular arc sliding block.
The second elastic friction structure is made of elastic wear-resistant materials or elastic sheets; the elastic sheet is connected with the second rotating arm in a welding, bonding or riveting mode; the elastic wear-resistant material is selected from other materials such as rubber, silica gel and the like; the elastic wear-resistant material is connected with the second rotating arm by embedding injection molding.
The second elastic friction structure is made of elastic wear-resistant materials, and is compressed by being in interference fit with the middle connecting seat, so that gaps at the lap joint are eliminated, shaking and rubbing are improved, meanwhile, friction force is increased by interference fit, and hovering performance is improved.
The first elastic friction structure is arranged on the first rotating arm and is positioned at the front end of the first rotating arm, and the front end is in whole course lap joint with the shell connecting seat in the sliding process of the shell connecting seat.
The first elastic friction structure is made of elastic wear-resistant materials or elastic sheets; the elastic sheet is connected with the first rotating arm in a welding, bonding or riveting mode; the elastic wear-resistant material is selected from other materials such as rubber, silica gel and the like; the elastic wear-resistant material is connected with the first rotating arm by embedding injection molding.
When the elastic wear-resistant material is adopted by the first elastic friction structure, the first elastic friction structure is compressed by being in interference fit with the shell connecting seat, the gap at the lap joint is eliminated, shaking and rubbing are improved, meanwhile, friction force is increased by interference fit, and hovering performance is also improved.
The first elastic friction structure is arranged at the straight part of the first rotating arm.
The rotating shaft mechanism is applied to the portable electronic terminal with the inward-folding flexible screen, the left side and the right side of the middle connecting seat are respectively provided with the first rotating arm, the second rotating arm and the shell connecting seat, and the left side shell and the right side shell of the portable electronic terminal with the inward-folding flexible screen are respectively connected with the shell connecting seats on the left side and the right side.
By adopting the technical scheme of the utility model, the shaking and hovering performance can be improved in a simpler mode without increasing space occupation, and the utility model can be applied to a virtual rotating shaft mechanism of the rotating shaft mechanism and a sliding fit structure for comparing a connecting piece with rotating connection, so that the performance of the rotating shaft mechanism is comprehensively improved.
Drawings
Fig. 1 is a schematic view of an embodiment of a portable electronic terminal, i.e. an inwardly folded flexible screen phone in an open state, wherein a flexible screen is hidden.
Fig. 2 is a schematic view of the folded-in flexible screen cell phone of fig. 1 when folded.
Fig. 3 is a schematic view of an embodiment of the spindle mechanism of the present utility model in an open state.
Fig. 4 is a top view of an embodiment of the spindle mechanism of the present utility model in an open state.
Fig. 5 is a cross-sectional view A-A of fig. 4.
Fig. 6-1, 6-2 and 6-3 are illustrations of the movement of the C-C section of fig. 4 in the open flattened state, the rotational process (intermediate state) and the folded state of the spindle mechanism.
Fig. 7 is a B-B cross-sectional view of fig. 4.
Fig. 8-1, 8-2 and 8-3 are illustrations of the D-D section of fig. 4 in terms of the movement of the spindle mechanism in the open flattened state, the rotational (intermediate) state and the folded state.
Fig. 9 and 10 are schematic views of the spindle mechanism according to the embodiment of the present utility model, respectively, from different directions of the second rotating arm.
Fig. 11 and 12 are schematic and exploded views, respectively, of a first rotary arm in an embodiment of the spindle mechanism.
Detailed Description
Reference is made to the accompanying drawings. The utility model provides a rotating shaft mechanism 300 for improving shaking and hovering performance, which comprises a middle connecting seat 100, wherein the rotating shaft mechanism is applied to an inwardly folded flexible screen portable electronic terminal, a first rotating arm 1, a second rotating arm 2 and a shell connecting seat 3 are arranged on the left side and the right side of the middle connecting seat 100, and a left shell 201 and a right shell 202 of the inwardly folded flexible screen portable electronic terminal are respectively connected with the left shell connecting seat 3 and the right shell connecting seat 3.
The first rotating arm 1 and the middle connecting seat 100 are rotationally connected through the real shaft 10, the second rotating arm 2 and the middle connecting seat 100 are rotationally connected through the arc sliding block 21 and the arc guide rail 101, the arc guide rail 101 belongs to a part of the middle connecting seat 100, the arc sliding block 21 and the arc guide rail 101 form a virtual rotating shaft, and the rotating center of the virtual rotating shaft is located above a supporting surface of the flexible screen of the folding flexible screen portable electronic terminal when the portable electronic terminal is unfolded. The shell connecting seat 3 is connected with the first rotating arm 1 in a sliding manner and is connected with the second rotating arm 2 in a rotating manner; because the above-mentioned orbit rotates and slips and has fit clearance, shake and rub and move inevitably. In the process of flattening, middle and closing of the portable electronic terminal, the lap (lap) is smaller and smaller, so that shaking and rubbing are larger and larger. Further, a friction structure driven by a spring or a disc spring and a cam is generally provided on the real shaft 10, or a rolled-up structure is provided as a hover structure, but hover performance is also increasingly eroded in a trend of making thin and small. The circular arc slider 21 is rotatably coupled to the circular arc rail 101.
In the utility model, a first elastic friction structure is arranged at the lap joint of the first rotating arm 1 and the shell connecting seat 3, and friction resistance is provided and the shell connecting seat 3 is prevented from shaking when the shell connecting seat 3 slides relative to the first rotating arm 1; the overlapping part of the second rotating arm 2 and the middle connecting seat 100 is provided with a second elastic friction structure, and when the second rotating arm 2 rotates, friction resistance is provided and axial rubbing is prevented.
It should be noted that the middle connection base 100 connected to the first swing arm 1 and the middle connection base 100 connected to the second swing arm 2 may be integrated or separated.
As shown in fig. 9 and 10, in this embodiment, the second elastic friction structure is disposed in the second rotating arm 2, and is located at the rear portion of the circular arc slider 21 of the second rotating arm 2 (i.e., the side away from the connection end of the second rotating arm 2 and the chassis connection seat 3), and the rear portion is overlapped with the middle connection seat 3 during the whole rotation of the second rotating arm 2. The second elastic friction structure may be disposed on the front surface P1 and the back surface P2 of the edge of the circular arc slider that is engaged with the circular arc guide 101, or/and disposed at a portion P3 of the circular arc slider that is located inside the edge of the circular arc slider. Alternatively and/or in addition, the second elastic friction structure is provided on a part fixedly connected to the middle connection seat 100, which may be a part forming a constraint or limit or mounting of the second rotating arm 2 (the circular arc slider 21), for example, the pressing block 102 of the circular arc slider shown in the embodiment.
The second elastic friction structure is made of elastic wear-resistant materials or elastic sheets; when the elastic sheet is adopted, the fixing mode is not limited, the elastic sheet material is not limited, and the elastic sheet can be connected with the second rotating arm 2 in a welding, bonding or riveting mode; in this embodiment, the second elastic friction structure is made of an elastic wear-resistant material 22, where the selection range of the elastic wear-resistant material includes some elastic materials such as rubber and silica gel, and has a certain wear resistance, and the elastic wear-resistant material may be connected with the second rotating arm 2 by insert injection molding, at this time, the elastic wear-resistant material is formed on the surface of the circular arc slider with a certain thickness, and forms an interference fit with the middle connecting seat 3 (which may be the circular arc guide rail 101 or the middle connecting seat inside the guide rail according to different positions) to be compressed, so as to eliminate the gap at the lap joint, improve the shake and rub, increase the friction force by the interference fit, and improve the hovering performance.
The first elastic friction structure is arranged on the first rotating arm 1 and is positioned at the front end of the first rotating arm 1 (namely, the end which can be connected with the connecting seat 3 in a sliding way and is a straight part of the first rotating arm 1), and the front end is in lap joint with the connecting seat 3 of the machine shell in the whole sliding process of the connecting seat 3 of the machine shell.
The first elastic friction structure is made of elastic wear-resistant materials or elastic sheets; when the elastic sheet is adopted, the fixing mode is not limited, the elastic sheet material is not limited, and the elastic sheet can be connected with the first rotating arm in a welding, bonding or riveting mode. In this embodiment, the first elastic friction structure is made of an elastic wear-resistant material 11, and the selection range of the elastic wear-resistant material includes some elastic materials such as rubber, silica gel, and the like, and has a certain wear resistance; the elastic wear-resistant material can be connected with the first rotating arm 1 by embedding injection molding, at the moment, the elastic wear-resistant material is in a certain thickness on the surface of the circular arc sliding block, and is compressed by forming interference fit with the shell connecting seat 3, so that gaps at the lap joint are eliminated, shaking and rubbing are improved, meanwhile, friction force is increased by interference fit, and hovering performance is also improved.
The above embodiments are merely examples of the present utility model, but the present utility model is not limited thereto, and any changes or modifications made by those skilled in the art are included in the scope of the present utility model.
It is noted that the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the foregoing drawings are intended to cover non-exclusive inclusions. The terms "mounted," "configured," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; may 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 utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the description of the present utility model, it should be understood that the terms "one end," "another end," "outer side," "inner side," "horizontal," "end," "length," "outer end," "left," "right," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The terms "first," "second," and the like, are also used for simplicity of description only and are not indicative or implying relative importance.
Claims (10)
1. The rotating shaft mechanism for improving the shaking and hovering performance comprises a middle connecting seat, a first rotating arm, a second rotating arm and a shell connecting seat, wherein the first rotating arm and the middle connecting seat are in rotating connection through a real shaft, the second rotating arm is in rotating connection with the middle connecting seat through an arc sliding block and an arc guide rail, and the shell connecting seat is in sliding connection with the first rotating arm and in rotating connection with the second rotating arm; the device is characterized in that a first elastic friction structure is arranged at the lap joint of the first rotating arm and the shell connecting seat, and friction resistance is provided and the shell connecting seat is prevented from shaking when the shell connecting seat slides relative to the first rotating arm; and/or the lap joint of the second rotating arm and the middle connecting seat is provided with a second elastic friction structure, so that friction resistance is provided and axial rubbing is prevented during rotation.
2. The rotary shaft mechanism for improving shaking and hovering performance according to claim 1, wherein the second elastic friction structure is arranged in the second rotating arm and is positioned at the rear part of the circular arc sliding block of the second rotating arm, and the rear part is in lap joint with the middle connecting seat in the whole course of the rotation of the second rotating arm; or/and the second elastic friction structure is arranged on a part fixedly connected with the middle connecting seat.
3. The rotary shaft mechanism for improving shaking and hovering performance according to claim 1, wherein the second elastic friction structure is arranged at the edge of the circular arc sliding block matched with the circular arc guide rail or/and at the position of the circular arc sliding block located at the inner side of the edge of the circular arc sliding block.
4. The rotary shaft mechanism for improving shaking and hovering performance according to claim 1, wherein the second elastic friction structure is made of elastic wear-resistant material or elastic sheet; the elastic sheet is connected with the second rotating arm in a welding, bonding or riveting mode; the elastic wear-resistant material is selected from rubber and silica gel; the elastic wear-resistant material is connected with the second rotating arm by embedding injection molding.
5. The rotary shaft mechanism for improving shaking and hovering performance according to claim 4, wherein the second elastic friction structure is made of elastic wear-resistant material, and is compressed by interference fit with the middle connecting seat, so that gaps at the lap joint are eliminated, shaking and rubbing are improved, friction force is increased by interference fit, and hovering performance is also improved.
6. The rotary shaft mechanism for improving shaking and hovering performance according to claim 1, wherein the first elastic friction structure is arranged on the first rotary arm and is positioned at the front end of the first rotary arm, and the front end is in whole lap joint with the casing connecting seat in sliding of the casing connecting seat.
7. The rotary shaft mechanism for improving shaking and hovering performance according to claim 6, wherein the first elastic friction structure is made of elastic wear-resistant material or elastic sheet; the elastic sheet is connected with the first rotating arm in a welding, bonding or riveting mode; the elastic wear-resistant material is selected from rubber and silica gel; the elastic wear-resistant material is connected with the first rotating arm by embedding injection molding.
8. The rotary shaft mechanism for improving shaking and hovering performance according to claim 7, wherein when the first elastic friction structure is made of elastic wear-resistant material, the first elastic friction structure is compressed by interference fit with the housing connecting seat, so that gaps at the lap joint are eliminated, shaking and rubbing are improved, friction force is increased by interference fit, and hovering performance is also improved.
9. The rotary shaft mechanism for improving sloshing and hovering performance according to claim 6, wherein the first elastic friction structure is provided at a straight portion of the first rotary arm.
10. The rotary shaft mechanism for improving shaking and hovering performance according to claim 1, 2, 3, 4, 5, 6, 7, 8 or 9, wherein the rotary shaft mechanism is applied to a foldable flexible screen portable electronic terminal, the left side and the right side of the middle connecting seat are respectively provided with the first rotary arm, the second rotary arm and the casing connecting seat, and the left casing and the right casing of the foldable flexible screen portable electronic terminal are respectively connected with the casing connecting seats on the left side and the right side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322293101.XU CN220687823U (en) | 2023-08-24 | 2023-08-24 | Rotating shaft mechanism for improving shaking and hovering performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322293101.XU CN220687823U (en) | 2023-08-24 | 2023-08-24 | Rotating shaft mechanism for improving shaking and hovering performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220687823U true CN220687823U (en) | 2024-03-29 |
Family
ID=90375602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322293101.XU Active CN220687823U (en) | 2023-08-24 | 2023-08-24 | Rotating shaft mechanism for improving shaking and hovering performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220687823U (en) |
-
2023
- 2023-08-24 CN CN202322293101.XU patent/CN220687823U/en active Active
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