CN111327739A - U-shaped hinge and mobile terminal - Google Patents
U-shaped hinge and mobile terminal Download PDFInfo
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- CN111327739A CN111327739A CN202010274875.6A CN202010274875A CN111327739A CN 111327739 A CN111327739 A CN 111327739A CN 202010274875 A CN202010274875 A CN 202010274875A CN 111327739 A CN111327739 A CN 111327739A
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- 238000013016 damping Methods 0.000 claims abstract description 81
- 230000007246 mechanism Effects 0.000 claims abstract description 73
- 230000001360 synchronised effect Effects 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 7
- 210000002421 cell wall Anatomy 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 230000009471 action Effects 0.000 description 9
- 238000000034 method Methods 0.000 description 5
- 238000003780 insertion Methods 0.000 description 4
- 230000037431 insertion Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/0206—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
- H04M1/0208—Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
- H04M1/0214—Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
- H04M1/0216—Foldable in one direction, i.e. using a one degree of freedom hinge
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/10—Arrangements for locking
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function
- G06F1/1616—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function with folding flat displays, e.g. laptop computers or notebooks having a clamshell configuration, with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/1613—Constructional details or arrangements for portable computers
- G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
- G06F1/1637—Details related to the display arrangement, including those related to the mounting of the display in the housing
- G06F1/1652—Details related to the display arrangement, including those related to the mounting of the display in the housing the display being flexible, e.g. mimicking a sheet of paper, or rollable
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/0202—Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
- H04M1/026—Details of the structure or mounting of specific components
- H04M1/0266—Details of the structure or mounting of specific components for a display module assembly
- H04M1/0268—Details of the structure or mounting of specific components for a display module assembly including a flexible display panel
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Computer Hardware Design (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Mechanical Engineering (AREA)
- Mathematical Physics (AREA)
- Telephone Set Structure (AREA)
Abstract
The invention discloses a U-shaped hinge and a mobile terminal, comprising a hinge mechanism, wherein the hinge mechanism comprises: the left middle frame and the right middle frame are used for supporting the flexible display screen; the damping mechanism is arranged in the middle of the U-shaped hinge seat, and realizes the damping rotary motion of the middle frame and the rotating axis and the automatic closing of the middle frame through the distance difference generated by the internal cam mechanism; the two synchronous mechanisms are symmetrically arranged at two ends of the U-shaped hinge seat and provide mechanical rotation feedback and stop along with folding; the terminal can generate damping when rotating through the damping mechanism, so that the use experience effect of the terminal is better, and meanwhile, due to the fact that the structure is simple, the manufacturing cost is low, the terminal can be better adapted to various mobile terminals (mobile phones, notebook computers, tablet computers and the like) or other terminals with folding display requirements, and the adaptability is better.
Description
Technical Field
The invention relates to the field of electronic equipment, in particular to a U-shaped hinge and a mobile terminal.
Background
The flexible screen is a flexible screen and is referred to as a flexible OLED. The successful mass production of the flexible screen is not limited to the manufacture of a new generation of high-end smart phone, and the application of the wearable device is greatly influenced due to the characteristics of low power consumption and flexibility.
The development speed of flexible screen is very fast, but be applied to the folding hinge development speed that flexible screen used still more slowly, the hinge that many flexible screens adopted and casing are all old-fashioned casing, when the casing passes through the hinge and rotates, rotation synchronism between the casing is relatively poor, its inner structure's linkage feedback nature is relatively poor simultaneously, hinge pivoted action smoothness nature can not be guaranteed, the terminal equipment is very easily damaged to the stress of hinge rotation in-process, lead to terminal equipment's life greatly reduced, also reduced people to the good sense of use of flexible folding screen equipment, also do not benefit to the popularization and the sale of flexible folding screen equipment.
Disclosure of Invention
The invention aims to provide a U-shaped hinge and a mobile terminal, and aims to solve the problems that hinges and shells adopted by many traditional flexible screens in the background technology are old shells, when the shells rotate through the hinges, the rotation synchronism among the shells is poor, the linkage feedback performance of the internal structures is poor, the smoothness of the rotation action of the hinges is not guaranteed, and the stress in the rotation process of the hinges is easy to damage terminal equipment, so that the service life of the terminal equipment is greatly reduced.
In order to achieve the purpose, the invention provides the following technical scheme: a U-shaped hinge comprising a hinge mechanism, the hinge mechanism comprising:
the inner side of the flexible display screen is preset with a plurality of mounting hole positions and is used for a U-shaped hinge seat of the hinge rotating assembly, and a left middle frame and a right middle frame which are used for supporting the flexible display screen are respectively arranged on two sides of the U-shaped hinge seat;
the damping mechanism is arranged in the middle of the U-shaped hinge seat, is installed with the left middle frame, the right middle frame and the installation hole positions through screws, is used for keeping the flexible display screen at a constant length when the hinge rotates, and realizes damping rotary motion of the middle frame and the rotation axis and automatic closing of the middle frame through the distance difference generated by the internal cam mechanism;
the two synchronous mechanisms are symmetrically arranged at two ends of the U-shaped hinge seat, are installed with corresponding installation hole positions by using screws, and drive the terminal shell to synchronously rotate, provide mechanical rotation feedback and stop along with folding by setting a meshed synchronous even-numbered gear transmission system;
set up between damping mechanism and lazytongs, install through screw and left center and right center to carry out quick locking when being used for the hinge to expand, prevent that the hinge from taking place two locking mechanical system of folding.
As a preferred technical scheme of the invention, the damping mechanism comprises a fixed seat fixedly mounted with mounting hole positions on the inner side of a U-shaped hinge seat through screws, three fixed partition plates are fixedly mounted on the top of the fixed seat at equal intervals, a damping pressure spring mechanism is mounted on each of two sides of each of the three fixed partition plates, and a left connecting piece and a right connecting piece are mounted on each of two sides of the fixed seat through two damping pressure spring mechanisms.
As a preferred technical scheme of the invention, the damping pressure spring mechanism comprises a pressure spring shaft fixedly connected with one side of three fixed partition plates in an inserting manner, a damping cam arranged between two adjacent fixed partition plates is sleeved outside the pressure spring shaft, and a damping pressure spring sleeved outside the pressure spring shaft is fixedly connected to one side of each damping cam;
the left connecting piece comprises two left guide rail fixing concave wheels which are respectively matched with two damping cams on one of the pressure spring shafts, one ends of the two left guide rail fixing concave wheels, which are far away from the damping cams, are respectively in sliding connection with a left concave wheel track block through a through hole matched with the damping guide rail shafts and clamping springs, the left concave wheel track block is connected with the left middle frame through screws, the right connecting piece comprises two right guide rail fixing concave wheels which are respectively matched with the two damping cams on the other one of the pressure spring shafts, one ends of the two right guide rail fixing concave wheels, which are far away from the damping cams, are respectively in sliding connection with a right concave wheel track block through a through hole matched with the damping guide rail shafts and the clamping springs, and the right concave wheel track block is connected with the right middle frame through screws;
the guide rail fixing concave wheel is matched with the concave wheel track block to form a cam mechanism.
As a preferred technical scheme of the invention, the synchronizing mechanism comprises a first intermediate gear seat and a second intermediate gear seat which are installed through screws and installation hole positions on the inner sides of U-shaped hinge seats, two intermediate gear shafts and two synchronous gear seats are installed between the first intermediate gear seat and the second intermediate gear seat, a left rotating gear rack and a right rotating gear rack are respectively arranged between one side of the two synchronous gear seats and the two intermediate gear seats, two synchronous gears which are respectively meshed with the two intermediate gears on the two intermediate gear shafts are also installed between the two synchronous gear seats, the other two intermediate gears on the two intermediate gear shafts are respectively meshed with gear rings of the left rotating gear rack and the right rotating gear rack, arc-shaped guide strips are respectively arranged on one sides of the left rotating gear rack and the right rotating gear rack, the two arc-shaped guide strips are respectively connected with arc-shaped guide grooves arranged on the inner sides of the first intermediate gear seat and the second intermediate gear seat in a guiding and sliding manner, and the synchronous gear is meshed and connected with the carrier gear to form a synchronous even-numbered gear transmission system.
As a preferred technical scheme of the invention, the locking mechanism comprises a lock seat and an inserting piece which are arranged on the inner side of the U-shaped hinge seat, a lock groove is formed in the middle of the lock seat, a spring is fixedly connected in an opening of a groove wall on one side of the lock groove, a locking head is installed at one end of the spring and is connected with a lock hole formed in the inserting piece in a clamping manner, and the lock seat and the inserting piece are respectively connected with the left middle frame and the right middle frame.
A mobile terminal comprises the U-shaped hinge, a left shell and a right shell, wherein the left shell and the right shell are respectively positioned on two sides of the hinge and form a terminal shell, and the left shell and the right shell are respectively fixedly installed with a left rotating gear rack and a right rotating gear rack.
As a preferred technical scheme of the invention, a left supporting plate and a right supporting plate which smoothly support the rotation of the flexible display screen are respectively arranged on the inner sides of the left shell and the right shell, and the left supporting plate and the right supporting plate are fixedly connected with the flexible display screen.
Compared with the prior art, the invention has the beneficial effects that:
1) the damping mechanism is arranged, so that damping can be generated when the terminal rotates, the damping generated on the left side and the right side of the terminal is equal, the use experience effect of the terminal is better, meanwhile, the cam mechanism arranged on the damping mechanism enables the hinge to be automatically closed when a damping cam of the guide rail fixing concave wheel and the damping cam rotate and cross a damping limit position, the damping pressure spring is matched with the cam mechanism and the concave wheel track block is in sliding fit with the damping guide rail shaft, the hinge is prevented from being locked in the rotating process, and the use quality of the terminal is further improved;
2) through the arranged synchronizing mechanism, the left shell and the right shell can be respectively driven to synchronously rotate by utilizing a synchronous even-numbered gear transmission system and two rotating gear carriers, the symmetrical and synchronous motion generated by combination between even-numbered gears is utilized, so that the input rotating stroke of the terminal shell is shortened to 1/2 of the output rotating stroke, and when the carrier gear is meshed with the synchronizing gear and the special-shaped gear ring to rotate, a better mechanical feedback feeling can be generated to hands, the left shell and the right shell can be folded and stopped at any time, and the use of the mobile terminal and the popularization and sale of products are facilitated;
3) through the arranged locking mechanism, when the hinge is completely opened, the hinge can be quickly locked, and the flexible display screen is prevented from being damaged due to the fact that the hinge is folded;
4) the U-shaped hinge is simple in structure, low in manufacturing cost and long in service life, can be better adapted to various mobile terminals (mobile phones, notebook computers, tablet computers and the like) or other terminals with folding display requirements, and is good in adaptability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic exploded view of the hinge mechanism of the present invention;
FIG. 3 is a schematic view of the damper mechanism of the present invention in an expanded configuration;
FIG. 4 is a schematic view of a closed configuration of the damping mechanism of the present invention;
FIG. 5 is a schematic disassembled view of the damping mechanism of the present invention;
FIG. 6 is a schematic view of a closure mechanism of the present invention;
FIG. 7 is a schematic view of the deployment mechanism of the present invention;
FIG. 8 is a schematic diagram of the synchronization mechanism of the present invention shown disassembled;
FIG. 9 is a schematic view of the locking mechanism closure of the present invention;
FIG. 10 is a schematic view of the lock mechanism of the present invention in an expanded configuration;
FIG. 11 is a disassembled schematic view of the locking mechanism of the present invention;
FIG. 12 is a fully expanded schematic view of the present invention;
fig. 13 is a fully closed schematic of the present invention.
In the figure: 1. a hinge mechanism; 11. a U-shaped hinge base; 12. a left middle frame; 13. a right middle frame; 1a, a damping mechanism; 1a1, a fixed seat; 1a11, fixed partition; 1a2, left connector; 1a21, a left guide rail fixing concave wheel; 1a3, right connector; 1a31, right guide rail fixing concave wheel; 1a4 and a damping pressure spring mechanism; 1a41, compression spring shaft; 1a42, damping cam; 1a43, damping pressure spring; 1a5, left concave wheel track block; 1a6, right sheave rail block; 1a7, damping guide rail shaft; 1b, a synchronizing mechanism; 1b1, a first carrier gear seat; 1b2, a second carrier gear seat; 1b3, synchronizing gear seat; 1b4, synchromesh; 1b5, a gap bridge gear shaft; 1b6, left rotary gear rack; 1b7, right rotary gear carrier; 1c, a locking mechanism; 1c1, lock base; 1c11, spring; 1c12, locking head 1c2, insert; 2. a left housing; 21. a left supporting plate; 3. a right housing; 31. and a right supporting plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-2, the present invention provides a U-shaped hinge, comprising a hinge mechanism 1, the hinge mechanism 1 comprising:
a plurality of mounting hole sites are preset on the inner side of the flexible display screen, and are used for a U-shaped hinge seat 11 of the hinge rotating assembly, and a left middle frame 12 and a right middle frame 13 which are used for supporting the flexible display screen are respectively arranged on two sides of the U-shaped hinge seat 11;
the damping mechanism 1a is arranged in the middle of the U-shaped hinge seat 11, is installed with the left middle frame 12, the right middle frame 13 and the installation hole positions through screws, is used for keeping the flexible display screen at a constant length when the hinge rotates, and realizes damping rotary motion of the middle frame and a rotation axis and automatic closing of the middle frame through a distance difference generated by an internal cam mechanism;
the two synchronous mechanisms 1b are symmetrically arranged at two ends of the U-shaped hinge seat 11, are installed by utilizing screws and corresponding installation hole positions, drive the terminal shell to synchronously rotate through setting a meshed synchronous even-numbered gear transmission system, and provide mechanical rotation feedback and stop along with folding;
the two locking mechanisms 1c are arranged between the damping mechanism 1a and the synchronizing mechanism 1b, are installed with the left middle frame 12 and the right middle frame 13 through screws, and are used for locking quickly when the hinge is unfolded to prevent the hinge from being folded.
In this embodiment, referring to fig. 5, the damping mechanism 1a includes a fixed seat 1a1 fixedly mounted on an inner side mounting hole of the U-shaped hinge seat 11 through a screw, three fixed partition plates 1a11 are fixedly mounted on the top of the fixed seat 1a1 at equal intervals, a damping pressure spring mechanism 1a4 is mounted on each of two sides of the three fixed partition plates 1a11, and a left connecting member 1a2 and a right connecting member 1a3 are mounted on each of two sides of the fixed seat 1a1 through two damping pressure spring mechanisms 1a 4; the damping pressure spring mechanism 1a4 comprises a pressure spring shaft 1a41 fixedly connected with one side of three fixed partition plates 1a11 in a penetrating manner, a damping cam 1a42 arranged between two adjacent fixed partition plates 1a11 is sleeved outside the pressure spring shaft 1a41, and a damping pressure spring 1a43 sleeved outside the pressure spring shaft 1a41 is fixedly connected to one side of each damping cam 1a 42; the left connecting piece 1a2 comprises two left guide rail fixing concave wheels 1a21 which are respectively matched with two damping cams 1a42 on one compression spring shaft 1a41, one ends of the two left guide rail fixing concave wheels 1a21, which are far away from the damping cams 1a42, are respectively in sliding connection with a left concave wheel track block 1a5 through opened through hole matched damping guide rail shafts 1a7 and snap springs, the left concave wheel track block 1a5 is connected with the left middle frame 12 through screws, the right connecting piece 1a3 comprises two right guide rail fixing concave wheels 1a31 which are respectively matched with the two damping cams 1a42 on the other compression spring shaft 1a41, one ends of the two right guide rail fixing concave wheels 1a31, which are far away from the damping cams 1a42, are respectively in sliding connection with a right concave wheel track blocks 1a6 through opened through hole matched damping guide rail shafts 1a7 and snap springs, and the right concave wheel track blocks 1a6 are connected with the right middle frame 13 through screws; the guide rail fixing concave wheel is matched with the concave wheel track block to form a cam mechanism.
Specifically, when the terminal is unfolded, as shown in fig. 4, by pulling the left housing 2 counterclockwise to pull the right housing 3 clockwise, the acting force acts on the left middle frame 12 and the right middle frame 13, respectively, the left middle frame 12 rotating counterclockwise drives the left concave wheel track block 1a5 to slide on one damping guide rail shaft 1a7, so that when the hinge is unfolded, the distance compensation is performed on the left guide rail fixing concave wheel 1a21 rotating counterclockwise, the right middle frame 13 rotating instantaneous needle drives the right concave wheel track block 1a6 to slide on the other damping guide rail shaft 1a7, so that when the hinge is unfolded, the distance compensation is performed on the right guide rail fixing concave wheel 1a31 rotating instantaneous needle, and when the left guide rail fixing concave wheel 1a21 and the right guide rail fixing concave wheel 1a31 rotate, the cams thereof can be in rotating fit with the corresponding damping cams 1a42, and at the same time under the action of the damping pressure spring 1a43, the terminal can generate certain damping in the unfolding process, and under the action of the synchronizing mechanism 1b, when the terminal is unfolded, the damping on the two sides is the same, so that the use hand feeling is improved;
when the terminal is closed, as shown in fig. 3, by pulling the left housing 2 clockwise and pulling the right housing 3 counterclockwise, the left middle frame 12, the right middle frame 13, the left concave wheel track block 1a5, the right concave wheel track block 1a6, the left guide rail fixing concave wheel 1a21 and the right guide rail fixing concave wheel 1a31 are all rotated in the opposite direction to the terminal when the terminal is unfolded, the left concave wheel track block 1a5 and the right concave wheel track block 1a6 are also slid on the corresponding damping guide rail shafts 1a7, so that when the hinge is closed, the distance compensation is performed on the rotation of the left guide rail fixing concave wheel 1a21 and the right guide rail fixing concave wheel 1a31, and under the action of the damping pressure spring 1a43, the terminal can generate equal damping during the closing process, and simultaneously, during the rotation of the cam of the guide rail fixing concave wheel and the damping cam 1a42, when the left middle frame 12 and the right middle frame 13 cross the damping extreme position, and the hand feeling of the terminal is further improved.
In this embodiment, referring to fig. 8, the synchronizing mechanism 1b includes two carrier gear shafts 1b5 and two synchronizing gear holders 1b3 installed between the first carrier gear seat 1b1 and the second carrier gear seat 1b2 installed through screws and the inner side installation hole of the U-shaped hinge seat 11, a left rotating gear rack 1b6 and a right rotating gear rack 1b7 are respectively installed between one side of the two synchronizing gear seats 1b3 and the two carrier gear seats, two synchronizing gears 1b4 respectively engaged with the two carrier gears on the two carrier gear shafts 1b5 are further installed between the two synchronizing gear seats 1b3, the other two carrier gears on the two carrier gear shafts 1b5 are respectively engaged with the gear rings of the left rotating gear rack 1b6 and the right rotating gear rack 1b7, arc-shaped guide bars are respectively installed on one side of the left rotating gear rack 1b6 and one side of the right rotating gear rack 1b7, the two arc guide bars are respectively connected with the arc guide grooves arranged on the inner sides of the first carrier gear seat 1b1 and the second carrier gear seat 1b2 in a guiding and sliding manner, and the synchronous gear 1b4 is meshed with the carrier gear to form a synchronous even-numbered gear transmission system.
Specifically, when the terminal is unfolded, as shown in fig. 7, the left housing 2 is pulled counterclockwise to pull the right housing 3 clockwise, the acting force acts on the left rotating gear rack 1b6 and the right rotating gear rack 1b7 respectively, the gear ring of the left rotating gear rack 1b6 rotating counterclockwise drives the carrier gear on one of the carrier gear shafts 1b5 to rotate, and since an even number of synchronizing gears 1b4 are engaged and connected between the two carrier gear shafts 1b5, the carrier gear on the other carrier gear shaft 1b5 also rotates, and then the right rotating gear rack 1b7 drives the right housing 3 to rotate synchronously; under the action of the meshed gears, the rotation stroke of the hinge input is shortened to 1/2 of the output rotation stroke, and then under the action of the synchronous mechanism 1b, synchronous rotation of the terminal shell is realized;
when the terminal is closed, as shown in fig. 6, by pulling the left housing 2 clockwise and the right housing 3 counterclockwise, the left rotary carrier 1b6 and the right rotary carrier 1b7 are rotated synchronously by the synchronous even-numbered gear train.
In this embodiment, please refer to fig. 11, the locking mechanism 1c includes a lock seat 1c1 and an inserting piece 1c2 disposed inside the U-shaped hinge seat 11, a lock slot is opened at the middle of the lock seat 1c1, a spring 1c11 is fixedly connected in an opening of a side slot wall of the lock slot, a locking head 1c12 is installed at one end of the spring 1c11, the locking head 1c12 is engaged with a lock hole opened in the inserting piece 1c2, and the lock seat 1c1 and the inserting piece 1c2 are respectively connected with the left middle frame 12 and the right middle frame 13.
Specifically, when the terminal is unfolded, as shown in fig. 10, the left housing 2 is pulled counterclockwise to pull the right housing 3 clockwise, the lock seat 1c1 and the insertion sheet 1c2 gradually get close together, when the mobile terminal is completely unfolded, one side of the insertion sheet 1c2 is placed in the lock groove, and the lock hole is locked with the locking head 1c12, at this time, the elastic force applied by the spring 1c11 to the locking head 1c12 is greater than the damping generated by the damping mechanism 1a, so as to ensure that the terminal can quickly enter the locked state when being completely unfolded;
when the terminal is closed, as shown in fig. 9, by pulling the left housing 2 clockwise and pulling the right housing 3 counterclockwise, the lock base 1c1 is gradually separated from the insertion sheet 1c2, and the lock hole of the insertion sheet 1c2 is separated from the lock head 1c12, and the lock head 1c12 is reset under the action of the spring 1c11, so that the lock state is released;
wherein locking head 1c12 may be spherical, hemispherical, or other symmetrically shaped components.
A mobile terminal comprising a U-shaped hinge of any one of the above, further comprising a left casing 2 and a right casing 3 (shown in FIG. 12) respectively positioned at both sides of the hinge mechanism 1 and forming a terminal housing, the left casing 2 and the right casing 3 being fixedly mounted with a left rotary carrier 1b6 and a right rotary carrier 1b7 respectively, so that the U-shaped hinge can be adapted to a better mobile terminal.
Further, the inboard of left casing 2 and right casing 3 is installed respectively and is rotated the left fagging 21 and the right fagging 31 that carry out level and smooth support to flexible display screen, and left fagging 21 and right fagging 31 and flexible display screen fixed connection ensure through left fagging 21 and right fagging 31 cooperation left center 12 and right center 13 can stabilize the support to flexible display screen.
It should be added that: because the geometric axis of the gear ring of the rotary gear rack is close to the flexible display screen, when the left shell 2 and the right shell 3 rotate to the closed position (as shown in fig. 13), the flexible display screen is folded to form a small R angle, when the left shell 2 rotates 90 degrees clockwise, and simultaneously the right shell 3 rotates 90 degrees counterclockwise synchronously under the action of the synchronizing mechanism 1b, the state of the flexible display screen is changed from a plane to a plane on the left side and a plane on the right side of the terminal, the two planes are parallel, and a small R semicircle is formed at the bottom, so that the screen forms a 'U' shape, and the screen of the U-shaped part is naturally hidden in the separation blades at the two ends of the U-shaped hinge seat 11.
In the description of the present invention, it is to be understood that the indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings and are only for convenience in describing the present invention and simplifying the description, but are not intended to indicate or imply that the indicated devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the present invention.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A U-shaped hinge, comprising a hinge mechanism, the hinge mechanism comprising:
the inner side of the flexible display screen is preset with a plurality of mounting hole positions and is used for a U-shaped hinge seat of the hinge rotating assembly, and a left middle frame and a right middle frame which are used for supporting the flexible display screen are respectively arranged on two sides of the U-shaped hinge seat;
the damping mechanism is arranged in the middle of the U-shaped hinge seat, is installed with the left middle frame, the right middle frame and the installation hole positions through screws, is used for keeping the flexible display screen at a constant length when the hinge rotates, and realizes damping rotary motion of the middle frame and the rotation axis and automatic closing of the middle frame through the distance difference generated by the internal cam mechanism;
the two synchronous mechanisms are symmetrically arranged at two ends of the U-shaped hinge seat, are installed with corresponding installation hole positions by using screws, and drive the terminal shell to synchronously rotate, provide mechanical rotation feedback and stop along with folding by setting a meshed synchronous even-numbered gear transmission system;
set up between damping mechanism and lazytongs, install through screw and left center and right center to carry out quick locking when being used for the hinge to expand, prevent that the hinge from taking place two locking mechanical system of folding.
2. A U-shaped hinge according to claim 1, wherein: damping mechanism includes the fixing base that carries out fixed mounting through screw and the inboard installation hole site of U type hinge seat, the top equidistance fixed mounting of fixing base has three fixed baffles, and a damping pressure spring mechanism is all installed to three fixed baffles's both sides, and left connecting piece and right connecting piece are installed respectively through two damping pressure spring mechanisms to the both sides of fixing base.
3. A U-shaped hinge according to claim 2, wherein: the damping pressure spring mechanism comprises a pressure spring shaft fixedly connected with one side of the three fixed partition plates in an inserting manner, a damping cam arranged between the two adjacent fixed partition plates is sleeved outside the pressure spring shaft, and a damping pressure spring sleeved outside the pressure spring shaft is fixedly connected to one side of each damping cam;
the left connecting piece comprises two left guide rail fixing concave wheels which are respectively matched with two damping cams on one of the pressure spring shafts, one ends of the two left guide rail fixing concave wheels, which are far away from the damping cams, are respectively in sliding connection with a left concave wheel track block through a through hole matched with the damping guide rail shafts and clamping springs, the left concave wheel track block is connected with the left middle frame through screws, the right connecting piece comprises two right guide rail fixing concave wheels which are respectively matched with the two damping cams on the other one of the pressure spring shafts, one ends of the two right guide rail fixing concave wheels, which are far away from the damping cams, are respectively in sliding connection with a right concave wheel track block through a through hole matched with the damping guide rail shafts and the clamping springs, and the right concave wheel track block is connected with the right middle frame through screws;
the guide rail fixing concave wheel is matched with the concave wheel track block to form a cam mechanism.
4. A U-shaped hinge according to claim 3, wherein: the synchronizing mechanism comprises a first intermediate gear seat and a second intermediate gear seat which are arranged through screws and mounting hole positions on the inner side of the U-shaped hinge seat, two intermediate gear shafts and two synchronizing gear seats are arranged between the first intermediate gear seat and the second intermediate gear seat, the left-handed gear rack and the right-handed gear rack are respectively arranged between one side of each of the two synchronous gear seats and the two carrier gear seats, two synchronous gears which are respectively meshed with the two carrier gears on the two carrier gear shafts are further installed between the two synchronous gear seats, the other two carrier gears on the two carrier gear shafts are respectively meshed with gear rings of the left-handed gear rack and the right-handed gear rack, arc guide strips are arranged on one sides of the left-handed gear rack and the right-handed gear rack, the two arc guide strips are respectively connected with the first carrier gear seat and the second carrier gear seat in a guiding sliding mode through arc guide grooves, and the synchronous gears are meshed with the carrier gears to form a synchronous even-numbered gear transmission system.
5. A U-shaped hinge according to claim 4, characterized in that: locking mechanical system is including arranging U type hinge seat inboard lock seat and inserted sheet in, the locked groove has been seted up at the middle part of lock seat, fixedly connected with spring in the trompil of one side cell wall of locked groove, locking head is installed to the one end of spring, and locking head is offered some lockhole blocks with the inserted sheet and is connected, and lock seat and inserted sheet are connected with left center and right center respectively.
6. A mobile terminal comprising a U-shaped hinge according to any one of claims 1 to 5, further comprising a left housing and a right housing respectively disposed at both sides of the hinge mechanism and forming a terminal housing, the left housing and the right housing being fixedly mounted to the left rotary carrier and the right rotary carrier, respectively.
7. A mobile terminal according to claim 6, characterized in that: the inboard of left side casing and right casing is installed respectively and is rotated left fagging and the right fagging that carries out level and smooth support to flexible display screen, and left fagging and right fagging and flexible display screen fixed connection.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010274875.6A CN111327739A (en) | 2020-04-09 | 2020-04-09 | U-shaped hinge and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010274875.6A CN111327739A (en) | 2020-04-09 | 2020-04-09 | U-shaped hinge and mobile terminal |
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| CN111327739A true CN111327739A (en) | 2020-06-23 |
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| CN202010274875.6A Pending CN111327739A (en) | 2020-04-09 | 2020-04-09 | U-shaped hinge and mobile terminal |
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| CN114079680A (en) * | 2020-08-18 | 2022-02-22 | 深圳市柔宇科技股份有限公司 | Foldable electronic device |
| US11467633B2 (en) | 2019-12-13 | 2022-10-11 | Huawei Technologies Co., Ltd. | Hinge and mobile terminal |
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| CN117420890B (en) * | 2023-12-19 | 2024-03-15 | 合肥联宝信息技术有限公司 | Rotating shaft sleeve of notebook computer folding outside screen |
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