CN218625038U - Hinge mechanism of folding screen mobile terminal - Google Patents
Hinge mechanism of folding screen mobile terminal Download PDFInfo
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- CN218625038U CN218625038U CN202222582634.5U CN202222582634U CN218625038U CN 218625038 U CN218625038 U CN 218625038U CN 202222582634 U CN202222582634 U CN 202222582634U CN 218625038 U CN218625038 U CN 218625038U
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- 230000005540 biological transmission Effects 0.000 claims description 8
- 239000007787 solid Substances 0.000 claims description 2
- 230000008878 coupling Effects 0.000 abstract description 3
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
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Abstract
The utility model provides a folding screen mobile terminal's the hinge mechanism, including rotating assembly and the middle part base on left rotating assembly, right side, connect synchronous counter-rotation coupling mechanism, its characterized in that between the rotating assembly on left rotating assembly and right side rotating assembly includes rack plate, toothed bar, rotation linking arm and toothed bar guide bar. The invention controls the movement of the left and right casings relative to the middle bracket and the movement of the rotating support plate relative to the casings by adopting the combination of the gear and rack meshing structure and the rotating structure, improves the movement accuracy, ensures that the rotating support plate does not need to be movably connected with the casings or the structures fixedly connected with the casings, can simplify the rotating support plate to adopt sheet metal parts, and has great significance for controlling the cost.
Description
Technical Field
The utility model relates to a folding screen mobile terminal's the hinge mechanism, mobile terminal can be cell-phone, notebook computer etc..
Background
There is a folding mobile terminal of infolding, and it is when folding, and the middle part of folding screen is bent into the water droplet and is formed, and to the folding screen of water droplet formation, folding screen mobile terminal middle part sets up the rotor plate for at the mobile terminal exhibition level, turn to the level and between the holding surface of middle part apron and left and right sides casing, support the screen, when mobile terminal folds up, the rotor plate rotates to the slope and forms the space of dodging the crooked middle part of water droplet formation. In the existing hinge mechanism, a push-pull rod is adopted for pushing and pulling the sliding drive of the shell, one end of a rotating plate is connected with a middle fixed structure, and the other end of the rotating plate is connected with the shell or a structure fixedly connected with the shell, so that on one hand, the movement accuracy needs to be improved, and on the other hand, the structure of the rotating plate is relatively complex, most of the rotating plates can only adopt MIM (metal injection molding) parts, and the size of the rotating plate is relatively large, so that the control cost is not favorable.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a folding screen mobile terminal's the hinge mechanism can improve the gliding accuracy nature of casing and can change the mounting means of rotor plate simultaneously, helps reduce cost. Therefore, the utility model adopts the following technical proposal:
a hinge mechanism of a folding screen mobile terminal comprises a left rotating component, a right rotating component and a middle base, wherein a synchronous reverse rotation connecting mechanism is connected between the left rotating component and the right rotating component;
the rotary connecting arm is rotatably arranged on the middle base, the rack plate is connected with the rotary connecting arm in a sliding mode, and the sliding direction is perpendicular to the axial direction;
the gear plate guide rod is also rotatably arranged on the middle base, and the rotating shaft of the gear plate guide rod is parallel to the rotating shaft of the rotating connecting arm; the gear plate is connected with the gear plate guide rod in a sliding mode, and the sliding direction is perpendicular to the axial direction;
the gear arranged on the gear plate is meshed and connected with the rack arranged on the rack plate; a motion trail control structure is arranged between the gear plate and the rotary connecting arm;
the gear plate is provided with a fixed part for rotating the support plate, and the rack is positioned below the gear.
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:
and the rotating connecting arms of the rotating assemblies on the left side and the right side are connected with the synchronous and reverse rotating connecting mechanism.
Synchronous reverse rotation coupling mechanism adopts gear drive mechanism, gear drive mechanism's gear shaft and intermediate strut are connected, rotate linking arm and gear shaft or set up the gear among the gear drive mechanism, the gear shaft sets up on the base of middle part
The circle center of the gear on the gear plate is positioned outside the gear plate, and is positioned above the gear plate by taking the flattening of the mobile terminal as a reference state; the motion trail control structure comprises a guide groove and a guide sliding block which are respectively arranged on the gear plate and the rotary connecting arm.
The rotary supporting plate is a sheet metal part and is fixed on the gear plate; rack plates in the left rotating assembly and the right rotating assembly are arranged at the parts for fixing the shell, and the shell and the rack plates are fixed together; when the mobile terminal is in a flattening state, the left rotary supporting plate is positioned between the screen supporting plate of the left casing and the top supporting plate of the middle base, and the right rotary supporting plate is positioned between the screen supporting plate of the right casing and the top supporting plate of the middle base, so that a plane supporting flexible screen is formed.
The hinge mechanism is provided with a torsion mechanism, the torsion mechanism comprises a cam, a spring and a friction structure, the cam is matched with the spring, the spring is matched with the compression cam, and one of the two cams is matched with the shaft sleeve.
The gear plate guide rod is rotatably connected with the middle base through a real shaft.
Due to the adoption of the technical scheme of the utility model, the relative middle part apron of casing (and middle part base) motion and the motion of rotation backup pad for the casing about the control is combined through adopting gear and rack toothing structure and rotating-structure to the invention, has improved the accuracy nature of motion to make the rotation backup pad need not carry out swing joint with casing (or rather than fixed connection's structure), rotate the backup pad and can simplify to adopt the sheet metal component, have very big meaning to control cost.
Drawings
Fig. 1 is a schematic view of an application combination according to an embodiment of the present invention.
Fig. 2 is a schematic view of the hinge mechanism according to the embodiment of the present invention.
Fig. 3 is an exploded view of the embodiment of the present invention.
Fig. 4 is a cross-sectional view of the embodiment of the present invention at the flattening stage.
Fig. 5 is a cross-sectional view of the embodiment of the present invention when folded.
Fig. 6 is a schematic back view of a gear plate according to an embodiment of the present invention.
Fig. 7 is a schematic view of the cooperation of the rotation connecting arm, the gear plate and the gear plate guide rod of the embodiment of the present invention.
Fig. 8 is an exploded view of fig. 7.
Fig. 9 is a top view of a mobile terminal to which the hinge mechanism of the present invention is applied at a flat state.
Detailed Description
Reference is made to the accompanying drawings. The utility model provides a folding screen mobile terminal's the hinge mechanism, including rotating assembly and middle part base on left rotating assembly, right side, connect synchronous antiport coupling mechanism between the rotating assembly on left rotating assembly and right side.
The rotating assembly comprises a rack plate 1, a gear plate 2, a rotating connecting arm 3 and a gear plate guide rod 4; the rack plate 1 is provided with a rack 10, the gear plate 2 is provided with a gear 20, the gear 20 is meshed with the rack 10, and the rack 10 is positioned below the gear 20.
The rotating linking arm 3 is rotatably mounted on the middle base 100, and the rack plate 1 is slidably connected to the rotating linking arm 3 in a direction perpendicular to the axial direction.
The gear plate guide rod 4 is also rotatably mounted on the middle base 300 with its rotation axis 40 parallel to the rotation axis of the rotating connecting arm 3; the gear plate 2 is connected with the gear plate guide rod 4 in a sliding mode, and the sliding direction is perpendicular to the axial direction.
And a motion trail control structure is arranged between the gear plate 2 and the rotary connecting arm 3.
The last fixed part that sets up rotation backup pad 101 that sets up of gear plate 2, rotation backup pad 101 is fixed on gear plate 2 and not with mobile terminal's casing, middle part base 100 lug connection, can adopt the sheet metal component.
The centre of a circle of gear 10 on the gear plate 2 is located outside gear plate 1 to the flat reference state that is used as of mobile terminal exhibition, the centre of a circle of gear 20 on the gear plate 2 is located the top of gear plate 2, the pivot central line of gear plate is the design of virtual centre of a circle, and it is rotatory that rotation linking arm 3 passes through the control of motion trail control structure, and rack plate 1 is controlled by gear plate 2 and rotation linking arm 3 together, and the in-process is being opened and is being rolled up in the limit slip. In this embodiment, the motion trajectory control structure adopts the following structure: comprises a guide slot 21 and a guide slide block 31 which are respectively arranged on the gear plate 2 and the rotary connecting arm 3; the gear plate guide rod 4 is rotatably connected to the middle base 100 via a solid shaft 41.
The synchronous reverse rotation connecting mechanism is connected between the rotation connecting arms of the left rotation assembly and the right rotation assembly, and the rotation connecting arms of the left rotation assembly and the right rotation assembly synchronously rotate in the reverse direction. The synchronous and reverse rotation connecting mechanism adopts a gear transmission mechanism 5, in the embodiment, the gear transmission mechanism comprises four gears, a gear shaft of the gear transmission mechanism is rotatably connected with the middle support, the gears in the gear transmission mechanism are fixed on the gear shaft, the rotation connecting arm 3 is connected with flat positions on gear shafts 51 of gears at two ends of the gear transmission mechanism through flat positions in the shaft sleeve 32, and the rotation connecting arm 3 and the gear shafts 51 rotate together.
The hinge mechanism is also provided with a torsion mechanism for providing a hovering function or/and a function of stopping rotating at any time and positioning a current angle at any time, the torsion mechanism comprises mutually matched cams 61 and 62, a spring 63 matched with a pressing cam and a friction structure 64, one of the mutually matched two cams 61 is arranged on the shaft sleeve 31, and the wheel friction structure can be arranged between the back surface of the shaft sleeve and a fixed part.
To the utility model discloses the mobile terminal who uses, the complete machine rotates the process, controls the casing through gear and rack action and moves for the top support plate 102 (and middle part base 100) that is located the middle part. In the closing process, the shell can rotate while being far away from the top supporting plate 102, the screen accommodating space is increased, and meanwhile, the rotating supporting plate 101 can synchronously rotate along with the gear plate although not connected with the left shell and the right shell, so that a space for avoiding the bent middle part of the water drop shape of the folding screen is formed. During opening, the cabinet rotates while approaching the top support plate 102. And the rotating plate rotates synchronously with the gear, and when the mobile terminal is opened to a flat state, the left and right housings, the left and right rotating support plate 101 and the top support plate 102 form a flat support flexible screen.
As shown in fig. 1, a plurality of hinges H of the present invention may be disposed in the mobile terminal along the circumferential direction.
The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art is in the field of the present invention, and all the changes or modifications are 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 skilled in the art.
In the description of the present invention, it should 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but 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. The terms "first" and "second" are also used for brevity of description only and do not indicate or imply relative importance.
Claims (7)
1. A hinge mechanism of a folding screen mobile terminal comprises a left rotating component, a right rotating component and a middle base, wherein a synchronous reverse rotation connecting mechanism is connected between the left rotating component and the right rotating component;
the rotary connecting arm is rotatably arranged on the middle base, the rack plate is connected with the rotary connecting arm in a sliding mode, and the sliding direction is perpendicular to the axial direction;
the gear plate guide rod is also rotatably arranged on the middle base, and the rotating shaft of the gear plate guide rod is parallel to the rotating shaft of the rotating connecting arm; the gear plate is connected with the gear plate guide rod in a sliding mode, and the sliding direction is perpendicular to the axial direction;
a gear arranged on the gear plate is meshed and connected with a rack arranged on the rack plate; a motion trail control structure is arranged between the gear plate and the rotary connecting arm;
the gear plate is provided with a fixed part for rotating the support plate, and the rack is positioned below the gear.
2. A hinge mechanism of a folding screen mobile terminal according to claim 1, wherein said synchronous counter-rotation connection mechanism is connected between the rotation connection arms of said left side rotation member and said right side rotation member.
3. A hinge mechanism of a foldable screen mobile terminal as claimed in claim 2, wherein said synchronous counter-rotation connecting mechanism is a gear transmission mechanism, a gear shaft of said gear transmission mechanism is connected with an intermediate bracket, said rotation connecting arm is connected with a gear shaft or a gear provided in the gear transmission mechanism, said gear shaft is provided on said intermediate base.
4. The hinge mechanism of a folding screen mobile terminal according to claim 1, wherein the center of the circle of the gear on the gear plate is located outside the gear plate, and the center of the circle of the gear on the gear plate is located above the gear plate with the mobile terminal flattened as a reference; the motion trail control structure comprises a guide groove and a guide sliding block which are respectively arranged on the gear plate and the rotary connecting arm.
5. The hinge mechanism of a folding screen mobile terminal as claimed in claim 1, wherein the rotating support plate is a sheet metal part, the rotating support plate is fixed on a gear plate; rack plates in the left rotating assembly and the right rotating assembly are arranged at the parts for fixing the shell, and the shell and the rack plates are fixed together; when the mobile terminal is in a flattening state, the left rotary supporting plate is positioned between the screen supporting plate of the left casing and the top supporting plate of the middle base, and the right rotary supporting plate is positioned between the screen supporting plate of the right casing and the top supporting plate of the middle base, so that a plane supporting flexible screen is formed.
6. The hinge mechanism of a foldable screen mobile terminal according to claim 1, wherein said rotation connection arm is provided with a sleeve to fit over its rotation shaft, said hinge mechanism further comprises a torsion mechanism, said torsion mechanism comprises a cam engaged with each other, a spring engaged with the pressing cam, and a friction structure, and one of the two cams engaged with each other is provided on said sleeve.
7. A hinge mechanism of a folding screen mobile terminal as claimed in claim 1, characterized in that said gear plate guide is rotatably connected to the middle base by a solid shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222582634.5U CN218625038U (en) | 2022-09-27 | 2022-09-27 | Hinge mechanism of folding screen mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222582634.5U CN218625038U (en) | 2022-09-27 | 2022-09-27 | Hinge mechanism of folding screen mobile terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218625038U true CN218625038U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222582634.5U Active CN218625038U (en) | 2022-09-27 | 2022-09-27 | Hinge mechanism of folding screen mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN218625038U (en) |
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2022
- 2022-09-27 CN CN202222582634.5U patent/CN218625038U/en active Active
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