CN111163199A - Interior folding hinge and interior book mobile terminal - Google Patents

Interior folding hinge and interior book mobile terminal Download PDF

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Publication number
CN111163199A
CN111163199A CN202010101840.2A CN202010101840A CN111163199A CN 111163199 A CN111163199 A CN 111163199A CN 202010101840 A CN202010101840 A CN 202010101840A CN 111163199 A CN111163199 A CN 111163199A
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CN
China
Prior art keywords
gear
lifting plate
screen
shell
hinge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010101840.2A
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Chinese (zh)
Inventor
陈荣
许钰锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dongguan Huanli Intelligent Technology Co ltd
Original Assignee
Dongguan Huanli Intelligent Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Dongguan Huanli Intelligent Technology Co ltd filed Critical Dongguan Huanli Intelligent Technology Co ltd
Priority to CN202010101840.2A priority Critical patent/CN111163199A/en
Publication of CN111163199A publication Critical patent/CN111163199A/en
Priority to PCT/CN2021/075080 priority patent/WO2021164552A1/en
Pending legal-status Critical Current

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/0206Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings
    • H04M1/0208Portable telephones comprising a plurality of mechanically joined movable body parts, e.g. hinged housings characterized by the relative motions of the body parts
    • H04M1/0214Foldable telephones, i.e. with body parts pivoting to an open position around an axis parallel to the plane they define in closed position
    • H04M1/0216Foldable in one direction, i.e. using a one degree of freedom hinge
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04MTELEPHONIC COMMUNICATION
    • H04M1/00Substation equipment, e.g. for use by subscribers
    • H04M1/02Constructional features of telephone sets
    • H04M1/0202Portable telephone sets, e.g. cordless phones, mobile phones or bar type handsets
    • H04M1/026Details of the structure or mounting of specific components
    • H04M1/0266Details of the structure or mounting of specific components for a display module assembly

Abstract

The invention discloses an inward folding hinge and an inward folding mobile terminal, comprising a hinge mechanism, wherein the hinge mechanism comprises: the synchronous mechanism is internally provided with a gear set which is used for providing mechanical feedback of the terminal and ensuring the smooth rotation of the hinge; the plurality of locking mechanisms are respectively provided with an elastic part which generates elastic supporting force and prevents the terminal shell from sagging or folding under the action of natural gravity; the screen support avoiding mechanisms are arranged corresponding to the left lifting plate and the right lifting plate and are used for realizing that the hinges can support the screen when being opened and can avoid space to bend the screen when being closed; the bottoms of the left cover plate and the right cover plate are respectively provided with a slide rail mechanism which prevents the screen from bulging and is tightly attached to the surfaces of the left cover plate and the right cover plate; the same action structure in the inner part of the invention adopts the same structure and symmetrical installation mode, thus greatly simplifying the structural complexity of the inner folding hinge, simultaneously ensuring the stability of the hinge when opening and closing, and being capable of better adapting to various mobile terminals.

Description

Interior folding hinge and interior book mobile terminal
Technical Field
The invention relates to the field of electronic equipment, in particular to an inward folding hinge and an inward folding mobile terminal.
Background
Because large-screen mobile phones have obvious advantages in the visual and entertainment experience compared with small-screen mobile phones, the flagship mobile phone products of current mainstream manufacturers tend to be designed in a large-screen mode. However, a large-screen mobile phone has great disadvantages in terms of holding comfort and portability, and a small-screen mobile phone has great disadvantages. With the gradual commercialization of flexible display panels, foldable mobile phones are becoming the main direction for mobile phone development of mainstream equipment manufacturers due to the characteristic that the display panel can flexibly change the size in different use scenes.
Wherein interior folding cell-phone is as a common type in common folding cell-phone, in the in-process of carrying out production, it is essential accessory that interior folding hinge is, but traditional interior folding hinge structure actuating mechanism is many and complicated, numerous and diverse kind of actuating mechanism no matter all need drop into a large amount of cost of labor and time cost in design process and manufacturing process, traditional hinge is at the rotation in-process simultaneously, because actuating mechanism is complicated, lead to stability lower, the while is actual when being applied to mobile terminal, the flexible display screen is damaged more easily to the interior folding hinge of complex structure, the life of interior folding mobile terminal has been reduced, and traditional outer folding hinge is also relatively poor to different kinds of mobile terminal suitability.
Disclosure of Invention
The invention aims to provide an inner folding hinge and an inner folding mobile terminal, and aims to solve the problems that the traditional inner folding hinge structure provided in the background art has more and complicated action mechanisms, a great amount of labor cost and time cost are required to be invested in the design process and the manufacturing process of various action mechanisms, and meanwhile, the traditional hinge has low stability due to the complicated action mechanism in the rotating process, and meanwhile, when the traditional hinge is actually applied to a mobile terminal, the flexible display screen is easily damaged by the inner folding hinge with the complicated structure.
In order to achieve the purpose, the invention provides the following technical scheme: an internal folding hinge comprising an articulating mechanism, the articulating mechanism comprising:
the middle shell is internally provided with a plurality of mechanism mounting positions;
the two synchronous mechanisms are symmetrically arranged on the mounting positions at the two ends of the middle shell, and are internally provided with gear sets which are used for providing mechanical feedback of the terminal and ensuring smooth rotation of the hinge, and two rotating ends which are used for realizing synchronous rotation of the terminal shell;
the locking mechanisms are correspondingly arranged on the mounting positions of the middle shell, and each locking mechanism is provided with an elastic part which generates elastic supporting force and prevents the terminal shell from sagging or folding under the action of natural gravity;
the connecting mechanisms are correspondingly arranged on the mounting positions of the middle shell, and each connecting mechanism is provided with a lifting plate fixing seat for realizing the rotary connection of the middle shell with the left lifting plate and the right lifting plate;
the screen support avoiding mechanisms are arranged corresponding to the left lifting plate and the right lifting plate and are used for realizing that the hinges can support the screen when being opened and can avoid space to bend the screen when being closed;
and the screen supporting mechanism comprises a left cover plate and a right cover plate which are kept horizontal and are correspondingly arranged with the left lifting plate and the right lifting plate, and the bottoms of the left cover plate and the right cover plate are respectively provided with a sliding rail mechanism which enables the screen to be always in a tight state in the process of opening and closing the hinge, so that the screen is prevented from bulging and is tightly attached to the surface of the screen.
As a preferred technical scheme of the invention, the synchronizing mechanism comprises a gear seat and a gear positioning plate which are arranged on a corresponding mounting position of the middle shell, two first middle gear rods and second middle gear rods which are horizontally arranged are inserted and mounted at the bottom between the gear seat and the gear positioning plate, a left gear rod and a right gear rod which are respectively opposite to the first middle gear rods and the second middle gear rods are inserted and connected at the top between the lifting plate fixing seat and the gear positioning plate, one ends of the first middle gear rods and the second middle gear rods are respectively sleeved with first full teeth for realizing the synchronous rotation of the two middle gear rods, the two first full teeth are arranged inside the gear seat and are in meshed connection, the other end of the second middle gear rods is also sleeved with second full teeth arranged inside the gear seat, the outer part of the left gear rod is sleeved with second full teeth for realizing the synchronous rotation with the first middle gear rods, and with the first half tooth that full tooth meshing is connected on the first middle part gear pole, the outside of right gear pole has cup jointed the realization and has rotated with second middle part gear pole synchronization to half tooth on the right side that full tooth meshing is connected with the second, half tooth on the left side, first full tooth, the full tooth of second and half tooth on the right side form the gear train of lazytongs, the one end of left side gear pole and right gear pole has not cup jointed left swinging boom and right swivel arm, left swinging boom and right swivel arm form lazytongs's rotation end.
As a preferred technical scheme of the present invention, the locking mechanism includes a return spring a mounted on the middle housing, both ends of the return spring a are respectively sleeved with a ball rod forming an elastic portion in cooperation therewith, and the ball rod is elastically supported and connected with the lifter plate inclined planes correspondingly disposed at the inner sides of the left lifter plate and the right lifter plate.
As a preferable technical scheme of the invention, the connecting mechanism further comprises U-shaped protrusions arranged on the inner sides of the left lifting plate and the right lifting plate, and the U-shaped protrusions are rotatably connected with protruding heads on the sides of the corresponding lifting plate fixing seats through pins.
According to a preferred technical scheme, the screen support avoiding mechanism comprises a spring seat, a push rod is inserted and connected to the middle of the spring seat, a return spring B which is arranged inside the spring seat and used for resetting the push rod is sleeved outside the push rod, one end of the spring seat is fixedly provided with two connecting arms which are opposite in position and provided with arc-shaped grooves, the inside of each arc-shaped groove is connected with a sliding shaft in a sliding mode, a connecting rod with one end abutting against the push rod is sleeved outside the sliding shaft, and the other end of the connecting rod is rotatably connected with U-shaped blocks correspondingly arranged on the outer sides of the left lifting plate and the right lifting plate through rotating pins.
As a preferred technical solution of the present invention, the slide rail mechanism includes a slide base, a slide block fixedly mounted to the corresponding left cover plate and right cover plate is slidably connected to the inside of the slide base, a first stopper and a second stopper fixedly connected to the inside of the slide base and preventing the slide block from being detached are respectively disposed at two ends of the slide block, and a return spring C for returning the slide block is disposed between one end of the slide block and the first stopper.
As a preferred technical scheme of the present invention, the top of the middle housing is further provided with a middle cover plate which is matched with the left lifting plate and the right lifting plate to mount and support the flexible display screen, and when the hinge is completely unfolded, the middle cover plate is flush with the left lifting plate and the right lifting plate.
A folding-in mobile terminal comprises the folding-in hinge, a left shell and a right shell which are used for forming a terminal shell, wherein the left shell and the right shell are respectively positioned on the left side and the right side of a middle shell and are kept horizontal with the middle shell.
As a preferable technical scheme of the invention, the left rotating arm and the right rotating arm are respectively and fixedly connected with the inner side ends of the left shell and the right shell, and the spring seat and the sliding seat are respectively and fixedly connected with the inner sides of the corresponding left shell and the right shell through screws.
Compared with the prior art, the invention has the beneficial effects that:
1) the synchronous mechanism composed of the same structure, the locking mechanism composed of the same structures and the connecting mechanism composed of the same structures are arranged in the two ends of the middle shell, a plurality of full gears and half gears which are arranged on the synchronous mechanism are matched, and the rotating arm is matched with the terminal shell, so that the hinge can drive the terminal shell to synchronously rotate and match clockwise and anticlockwise, and the plurality of gears which are meshed can ensure that the hinge can smoothly rotate and have better mechanical feedback feeling when the inward-folded mobile terminal is used; the ball rod of the locking mechanism is in rotating fit with the inclined plane of the lifting plate on the inner side of the lifting plate under the action of the return spring, the hinge is automatically opened and closed after force is applied by utilizing the lever principle, the locking of the terminal in the complete opening and closing process is realized, and the terminal shell is prevented from sagging or folding under the action of natural gravity; the left lifting plate and the right lifting plate enable the lifting plates to be in running fit with the middle shell through a connecting mechanism; and articulated mechanism still is provided with the screen that a plurality of looks isostructures are constituteed and supports dodges the mechanism for the hinge can support the screen when opening and can dodge the space when closed and bend for the screen, and the slide rail mechanism that a plurality of looks isostructures are constituteed makes the hinge open with closed in-process, and the screen is in the state of tightening always, prevents the screen uplift to hug closely in its surface, the cooperation screen supports dodges the mechanism, prevents that the hinge from rotating to cause the damage to flexible display screen, improves the life at terminal.
2) Two synchronizing mechanism, a plurality of locking mechanical system, a plurality of coupling mechanism, a plurality of screen support in this interior folding hinge dodge the mounting means that mechanism and a plurality of slide rail mechanism all adopted the same structure and symmetry, greatly simplified interior folding hinge's structural complexity, also ensured the stability when opening and shutting of hinge simultaneously, then multiple mobile terminal of adaptation (cell-phone, notebook computer and panel computer etc.) that can be better.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the split structure of the present invention;
FIG. 3 is an enlarged schematic view at A of FIG. 2 of the present invention;
FIG. 4 is a schematic view of the deployment mechanism of the present invention;
FIG. 5 is a schematic view of a closure mechanism of the present invention;
FIG. 6 is a schematic view of the lock mechanism of the present invention in an expanded configuration;
FIG. 7 is a schematic view of the locking mechanism closure of the present invention;
FIG. 8 is an expanded force analysis diagram of the synchronization mechanism of the present invention;
FIG. 9 is a graph of the closing force analysis of the synchronizing mechanism of the present invention
FIG. 10 is an expanded reverse placement force analysis diagram of the synchronization mechanism of the present invention;
FIG. 11 is a schematic structural view of a screen support avoiding mechanism according to the present invention;
FIG. 12 is a schematic disassembled view of the screen support avoidance mechanism of the present invention;
FIG. 13 is a schematic structural view of a slide rail mechanism according to the present invention;
fig. 14 is a schematic diagram of a disassembled structure of the slide rail mechanism of the present invention.
In the figure: 1. a hinge mechanism; 11. a middle housing; 111. a middle cover plate; 1a, a synchronizing mechanism; 1a1, left rotating arm; 1a2, right swivel arm; 1a3, left gear lever; 1a4, right gear lever; 1a5, left half tooth; 1a6, first full tooth; 1a7, second full tooth; 1a8, right half tooth; 1a9, a first middle gear lever; 1a10, second middle gear lever; 1a11, gear seat; 1a12, gear positioning plate; 1b, a locking mechanism; 1b1, cue; 1b2, return spring A; 1b3, lifter plate ramp; 1c, a connecting mechanism; 1c1, a lifting plate fixing seat; 1c2, pin; 1c3, U-shaped protrusion; 1d, a screen supporting and avoiding mechanism; 1d1, U-shaped block; 1d2, spring seat; 1d3, return spring B; 1d4, a mandril; 1d5, connecting arm; 1d6, sliding shaft; 1d7, connecting rod; 1e, a slide rail mechanism; 1e1, a slide; 1e2, first stop; 1e3, return spring C; 1e4, slider; 1e5, second stop; 12. a left lifter plate; 13. a right lifter plate; 2. a left housing; 21. a left cover plate; 3. a right housing; 31. and a right cover 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 to 14, the present invention provides an internal folding hinge, which includes a hinge mechanism 1, wherein the hinge mechanism 1 includes:
a middle shell 11, in which a plurality of mechanism mounting positions are arranged for mounting components used in the hinge action structure;
the two synchronous mechanisms 1a are symmetrically arranged on installation positions at two ends of the middle shell 11, and the synchronous mechanisms 1a are internally provided with gear sets which are used for providing mechanical feedback of the terminal and ensuring smooth rotation of the hinge and two rotating ends which are used for realizing synchronous rotation of the terminal shell;
a plurality of locking mechanisms 1b correspondingly mounted on the mounting position of the middle shell 11, wherein the locking mechanisms 1b are respectively provided with an elastic part which generates elastic supporting force and prevents the terminal shell from sagging or folding under the action of natural gravity;
the connecting mechanisms 1c are correspondingly arranged on the mounting positions of the middle shell 11, and the connecting mechanisms 1c are respectively provided with a lifting plate fixing seat 1c1 for realizing the rotary connection of the middle shell 11 with the left lifting plate 12 and the right lifting plate 13;
a plurality of screen support avoiding mechanisms 1d which are installed corresponding to the left lifting plate 12 and the right lifting plate 13 and are used for realizing that the hinge can support the screen when opened and can avoid the space to bend the screen when closed;
and the screen supporting mechanism comprises a left cover plate 21 and a right cover plate 31 which are kept horizontal and are correspondingly arranged with the left lifting plate 12 and the right lifting plate 13, and the bottoms of the left cover plate 21 and the right cover plate 31 are respectively provided with a slide rail mechanism 1e which can make the screen be always in a tight state in the process of opening and closing the hinge, prevent the screen from bulging and cling to the surface of the screen.
In this embodiment, the synchronizing mechanism 1a includes a gear seat 1a11 and a gear positioning plate 1a12 mounted on a corresponding mounting position of the middle housing 11, two first middle gear rods 1a9 and two second middle gear rods 1a10 horizontally mounted between the gear seat 1a11 and the gear positioning plate 1a12 at the bottom thereof, a left gear rod 1a3 and a right gear rod 1a4 respectively aligned with the first middle gear rod 1a9 and the second middle gear rod 1a10 at the top thereof and inserted between the lift plate fixing seat 1a1 and the gear positioning plate 1a12, one ends of the first middle gear rod 1a9 and the second middle gear rod 1a10 are respectively sleeved with first full teeth 1a6 for realizing synchronous rotation of the two middle gear rods, the two first full teeth 1a6 are disposed inside the gear seat 1a11 and engaged with each other end of the second middle gear rod 1a10 is sleeved with second full teeth 7 a11 a in the gear seat 1a11, the left gear rod 1a3 is externally sleeved with a left half-tooth 1a5 which realizes synchronous rotation with the first middle gear rod 1a9 and is in meshed connection with a first full-tooth 1a6 on the first middle gear rod 1a9, the right gear rod 1a4 is externally sleeved with a right half-tooth 1a8 which realizes synchronous rotation with the second middle gear rod 1a10 and is in meshed connection with a second full-tooth 1a7, the left half-tooth 1a5, the first full-tooth 1a6, the second full-tooth 1a7 and the right half-tooth 1a8 form a gear set of a synchronous mechanism 1a, one ends of the left gear rod 1a3 and the right gear rod 1a4 are respectively sleeved with a left rotating arm 1a1 and a right rotating arm 1a2, and the left rotating arm 1a1 and the right rotating arm 1a2 form a rotating end of the synchronous mechanism 1 a.
Specifically, during the process of closing the folded-in terminal (as shown in fig. 5): the left shell 2 moves clockwise to drive the left rotating arm a11 to move clockwise, and the left rotating arm 1a1 which rotates clockwise drives the left gear rod 1a3 to move clockwise; when the left gear lever 1a3 moves clockwise, the left half-tooth 1a5 is engaged with the first full-tooth 1a6 of the first middle gear lever 1a9, and then drives the first middle gear lever 1a9 to move counterclockwise; since the first middle gear lever 1a9 and the second middle gear lever 1a10 are connected in a meshing rotation by two first full teeth 1a6, the second middle gear lever 1a10 is driven to move clockwise by the first middle gear lever 1a 9; the second middle gear rod 1a10 moving clockwise is meshed and connected with the right half-gear 1a8 on the right gear rod 1a4 through a second full-gear 1a7 to drive the right gear rod 1a4 to move anticlockwise, the right gear rod 1a4 rotating anticlockwise drives the right shell 2 to rotate anticlockwise through the right rotating arm 1a2, and then synchronous closing movement between the left shell and the right shell is achieved;
during unfolding of the folded-in terminal (as shown in fig. 4): the left shell 2 moves anticlockwise, the left rotating arm a11 is driven to move anticlockwise, and the left rotating arm 1a1 which rotates anticlockwise drives the left gear rod 1a3 to move anticlockwise; the left gear rod 1a3 drives the right gear rod 1a4 to move clockwise under the action of the gear in the gear set, and the clockwise rotating right gear rod 1a4 drives the right shell 2 to rotate clockwise through the right rotating arm 1a2, so that synchronous unfolding motion between the left shell and the right shell is realized.
In an embodiment, the locking mechanism 1b includes a return spring A1b2 installed on the middle housing 11, a cue 1b1 forming an elastic part is sleeved on each end of the return spring A1b2, and the cue 1b1 is elastically supported and connected with a lifter plate inclined surface 1b3 correspondingly arranged on the inner side of the left lifter plate 12 and the right lifter plate 13.
Specifically, during the closing of the folded-in terminal (as shown in fig. 7 and 9): when the hinge is closed, the left lifting plate 12 and the right lifting plate 13 rotate, the lifting plate inclined plane 1b3 at one end of the lifting plate presses the spherical surface of the ball rod 1b1 inwards, so that the two ball rods 1b1 move horizontally towards the middle and compress the return spring A1b2, and in the closing process, when the spherical surface passes over the inclined plane, the lifting plate is subjected to a force F3 provided by the return spring A1b2, and an inward force F4 is generated at the outer side of the lifting plate after the conversion (namely the lever principle) by the center of the lifting plate inclined plane 1b3, so that the lifting plate can realize automatic closing locking and simultaneously prevent the hinge from loosening;
during unfolding of the folded-in terminal (as shown in figures 6 and 8): when the lifting plate rotates until the spherical surface of the ball rod 1b1 contacts with the lifting plate inclined surface 1b3, the lifting plate inclined surface 1b3 receives a force F1 provided by a return spring A1b2 of a vertical inclined surface, and a downward force F2 is generated on the outer side of the lifting plate through conversion (namely a lever principle) by the center of the lifting plate inclined surface 1b3, so that the lifting plate can realize automatic opening and locking and prevent the rotating shaft from loosening;
when the fold-in terminal is in the open position and placed in reverse (as shown in figure 10): the lifting plate inclined plane 1b3 is provided with a force F1 by a return spring A1b2, namely the lifting plate inclined plane 1b3 is provided with a component force F1 'vertical to the lifting plate plane and a component force F1' parallel to the lifting plate; f1' is rotated by a horizontal distance L1 from the center of the lifting plate with the lifting plate inclined plane 1b 3; the horizontal distance between the natural gravity G of the terminal shell and the rotation center is L2, and since the hinge reaches the mechanical balance under the opening state, F1' xL 1 is G xL 2, when the hinge is placed reversely, the shells on the two sides are prevented from sagging under the action of the natural gravity, and the structure is prevented from collapsing.
Furthermore, the connecting mechanism 1c further includes a U-shaped protrusion 1c3 disposed inside the left lifting plate 12 and the right lifting plate 13, the U-shaped protrusion 1c3 is rotatably connected to a protrusion corresponding to the side of the lifting plate fixing seat 1c1 through a pin 1c2, and by installing the lifting plate fixing seat 1c1 inside the middle housing 11, the U-shaped protrusion 1c3 inside the left lifting plate 12 and the right lifting plate 13 is matched with the pin 1c2 to be rotatably connected to the protrusion at the side of the lifting plate fixing seat 1c1, so that the left lifting plate 12 and the right lifting plate 13 can be quickly installed on the middle housing 11, and can be prevented from falling off.
In this embodiment, the screen support avoiding mechanism 1d includes spring holder 1d2, the middle part of spring holder 1d2 alternates and is connected with ejector pin 1d4, the outside cover of ejector pin 1d4 is equipped with and arranges inside the spring holder 1d2 and is used for the reset spring B1d3 that ejector pin 1d4 resets in, the one end fixed mounting of spring holder 1d2 has two positions relative and opens the linking arm 1d5 that has the arc wall, the inside sliding connection of arc wall has sliding shaft 1d6, the outside of sliding shaft 1d6 has cup jointed the one end and has connected 1d7 that ejector pin 1d4 contradicts, the other end of connecting rod 1d7 passes through the rotation pin and corresponds the U type piece 1d1 rotation connection that sets up in left lifter plate 12 and the right lifter plate 13 outside.
Specifically, in the process of closing the folded-in terminal: the left shell 2 rotates clockwise, the right shell 3 rotates anticlockwise, the left lifting plate 12 and the right lifting plate 13 rotate to sink to drive the connecting rod 1d7 to rotate to sink, the sliding shaft 1d6 slides in the arc-shaped groove of the connecting arm 1d5, and the mandril 1d4 is extruded to move towards two sides; the bending of the screen by the avoiding space of the lifting plate in the hinge closing process is realized;
in the process of unfolding the fold-in terminal: the left shell 2 rotates anticlockwise, the right shell 3 rotates clockwise, and the left lifting plate 12 and the right lifting plate 13 rotate and ascend; meanwhile, the left lifting plate and the right lifting plate simultaneously drive the connecting rod 1d7 to rotate and ascend, the sliding shaft 1d6 slides in the arc-shaped groove of the connecting arm 1d5, and the reset spring B1d3 pushes the ejector rod 1d4 to move towards the middle; the top rod 1d4 pushes the connecting rod 1d7 to support the lifting plate, so that the screen is supported, and the lifting plate rises to support the screen in the process of opening the hinge.
In this embodiment, the slide rail mechanism 1e includes a slide base 1e1, a slide block 1e4 fixedly installed on the corresponding left cover plate 21 and right cover plate 31 is connected to the inside of the slide base 1e1 in a sliding manner, a first stopper 1e2 and a second stopper 1e5 fixedly connected to the inside of the slide base 1e1 and preventing the slide block 1e4 from being detached are respectively provided at two ends of the slide base 1e4, and a return spring C1e3 for returning the slide block 1e4 is installed between one end of the slide base 1e4 and the first stopper 1e 2.
Specifically, in the process of closing the folded-in terminal: the screen is bent and hidden in an avoiding area of the lifting plate, and the sliding block 1e4 is guided in the sliding seat 1e1 and slides outwards, so that the left cover plate 21 and the right cover plate 31 move outwards to tighten the screen and prevent the screen from bulging;
in the process of unfolding the fold-in terminal: the left lifting plate 12 and the right lifting plate 13 lift up to support the screen, the screen pulls the left cover plate 21 and the right cover plate 31 at the two sides towards the middle, and the slide block 1e4 compresses the return spring C1e3, so that the screen is in a tight state, and the screen is prevented from bulging.
Further, middle apron 111 that cooperation left lifter plate 12 and right lifter plate 13 realized installing and supporting the flexible display screen is still installed at the top of middle casing 11, and when the hinge was unfolded completely, middle apron 111 kept flushing with left lifter plate 12 and right lifter plate 13, ensured that the screen can install in terminal housing inboard fast.
The utility model provides a folding mobile terminal in, includes the folding hinge in of any one of the aforesaid, still includes left casing 2 and right casing 3 that is used for constituteing the terminal housing, and left casing 2 and right casing 3 are located the left side and the right side of middle casing 11 respectively to keep the level with middle casing 11, make this kind of folding hinge in can the multiple mobile terminal of better adaptation.
Furthermore, left swivel arm 1a1 and right swivel arm 1a2 are respectively with the inboard end fixed connection of left casing 2 and right casing 3, spring holder 1d2 and slide 1e1 all through the inboard fixed connection of screw with left casing 2 and right casing 3 that correspond, utilize left swivel arm 1a1 and right swivel arm 1a2 can drive left casing 2 and right casing 3 and carry out synchronous rotation.
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 (9)

1. An internal folding hinge comprising an articulation mechanism, characterized in that the articulation mechanism comprises:
the middle shell is internally provided with a plurality of mechanism mounting positions;
the two synchronous mechanisms are symmetrically arranged on the mounting positions at the two ends of the middle shell, and are internally provided with gear sets which are used for providing mechanical feedback of the terminal and ensuring smooth rotation of the hinge, and two rotating ends which are used for realizing synchronous rotation of the terminal shell;
the locking mechanisms are correspondingly arranged on the mounting positions of the middle shell, and each locking mechanism is provided with an elastic part which generates elastic supporting force and prevents the terminal shell from sagging or folding under the action of natural gravity;
the connecting mechanisms are correspondingly arranged on the mounting positions of the middle shell, and each connecting mechanism is provided with a lifting plate fixing seat for realizing the rotary connection of the middle shell with the left lifting plate and the right lifting plate;
the screen support avoiding mechanisms are arranged corresponding to the left lifting plate and the right lifting plate and are used for realizing that the hinges can support the screen when being opened and can avoid space to bend the screen when being closed;
and the screen supporting mechanism comprises a left cover plate and a right cover plate which are kept horizontal and are correspondingly arranged with the left lifting plate and the right lifting plate, and the bottoms of the left cover plate and the right cover plate are respectively provided with a sliding rail mechanism which enables the screen to be always in a tight state in the process of opening and closing the hinge, so that the screen is prevented from bulging and is tightly attached to the surface of the screen.
2. An internal folding hinge according to claim 1, characterized in that: the synchronous mechanism comprises a gear seat and a gear positioning plate which are arranged on a corresponding mounting position of the middle shell, two first middle gear rods and two second middle gear rods which are horizontally arranged are arranged at the bottom between the gear seat and the gear positioning plate in an inserting way, a left gear rod and a right gear rod which are just opposite to the first middle gear rod and the second middle gear rod are respectively connected at the top between the lifting plate fixing seat and the gear positioning plate in an inserting way, one ends of the first middle gear rod and the second middle gear rod are respectively sleeved with a first full tooth for realizing the synchronous rotation of the two middle gear rods, the two first full teeth are arranged in the gear seat and are connected in a meshing way, the other end of the second middle gear rod is also sleeved with a second full tooth arranged in the gear seat, the outer part of the left gear rod is sleeved with a left half tooth for realizing the synchronous rotation with the first middle gear rod and is connected with the first full teeth on the first middle gear rod in a meshing way, the outside of right side gear pole has cup jointed the realization and has rotated with the second middle part gear pole is synchronous to half tooth on the right side that is connected with the meshing of the full tooth of second, half tooth on the left side, first full tooth, the full tooth of second and half tooth on the right side form the gear train of lazytongs, the one end of left side gear pole and right gear pole has not cup jointed left side swinging boom and right swivel arm, left side swinging boom and right swivel arm form lazytongs's rotation end.
3. An internal folding hinge according to claim 1, characterized in that: the locking mechanism comprises a return spring A arranged on the middle shell, the two ends of the return spring A are respectively sleeved with a ball rod matched with the return spring A to form an elastic part, and the ball rods are connected with the inner sides of the left lifting plate and the right lifting plate in an elastic supporting mode through lifting plate inclined planes correspondingly arranged.
4. An internal folding hinge according to claim 1, characterized in that: the connecting mechanism further comprises U-shaped protrusions arranged on the inner sides of the left lifting plate and the right lifting plate, and the U-shaped protrusions are rotatably connected with protruding heads on the sides of the corresponding lifting plate fixing seats through pins.
5. An internal folding hinge according to claim 1, characterized in that: the screen supports and dodges the mechanism and includes the spring holder, the middle part interlude of spring holder is connected with the ejector pin, and the outside cover of ejector pin is equipped with the reset spring B who arranges the spring holder inside and be used for the ejector pin to reset in, and the one end fixed mounting of spring holder has two relative positions and opens the linking arm that has the arc wall, and the inside sliding connection of arc wall has the sliding shaft, and the connecting rod that one end and ejector pin are inconsistent has been cup jointed to the outside of sliding shaft, and the other end of connecting rod passes through the rotational pin and corresponds the U type piece rotation that sets up in the left.
6. An internal folding hinge according to claim 5, characterized in that: the slide rail mechanism comprises a slide seat, the inside of the slide seat is connected with a slide block fixedly installed with a left cover plate and a right cover plate correspondingly in a sliding mode, a first stop block and a second stop block which are fixedly connected with the inside of the slide seat and prevent the slide block from being separated from are arranged at the two ends of the slide block respectively, and a reset spring C used for resetting the slide block is arranged between one end of the slide block and the first stop block.
7. An internal folding hinge according to claim 1, characterized in that: the top of middle casing still installs the middle apron that the cooperation left lifter plate and right lifter plate realized installing and supporting the flexible display screen, and when the hinge was unfolded completely, middle apron kept flushing with left lifter plate and right lifter plate.
8. A fold-in mobile terminal comprising the fold-in hinge of any one of claims 1 to 7, further comprising a left housing and a right housing for forming a terminal housing, the left housing and the right housing being respectively located at the left side and the right side of the middle housing and being horizontally maintained with the middle housing.
9. A fold-in mobile terminal according to claim 8, characterized in that: the left rotating arm and the right rotating arm are respectively fixedly connected with the inner side ends of the left shell and the right shell, and the spring seat and the sliding seat are respectively fixedly connected with the inner sides of the corresponding left shell and the corresponding right shell through screws.
CN202010101840.2A 2020-02-19 2020-02-19 Interior folding hinge and interior book mobile terminal Pending CN111163199A (en)

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PCT/CN2021/075080 WO2021164552A1 (en) 2020-02-19 2021-02-03 Inward folding hinge and inward folding mobile terminal

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CN111741146A (en) * 2020-06-09 2020-10-02 Oppo(重庆)智能科技有限公司 Folding mechanism and electronic equipment with same
CN112885316A (en) * 2021-04-02 2021-06-01 东莞市美派电子科技有限公司 Folding connecting assembly and foldable electronic organ
WO2021164552A1 (en) * 2020-02-19 2021-08-26 东莞市环力智能科技有限公司 Inward folding hinge and inward folding mobile terminal
WO2022247310A1 (en) * 2021-05-27 2022-12-01 荣耀终端有限公司 Rotating mechanism, support apparatus and electronic device

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KR101139866B1 (en) * 2010-12-10 2012-05-02 (주) 프렉코 Hinge device of folding type mobile phone
CN108055371A (en) * 2018-01-26 2018-05-18 努比亚技术有限公司 A kind of fold mechanism and Foldable mobile terminal
CN110671423A (en) * 2019-11-06 2020-01-10 东莞市环力智能科技有限公司 Three-section type folding hinge for flexible screen and mobile device thereof
CN110782791A (en) * 2019-11-06 2020-02-11 东莞市环力智能科技有限公司 Folding hinge assembly and mobile terminal
CN110738935A (en) * 2019-11-26 2020-01-31 东莞市环力智能科技有限公司 folding flexible screen device
CN111163199A (en) * 2020-02-19 2020-05-15 东莞市环力智能科技有限公司 Interior folding hinge and interior book mobile terminal

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Publication number Priority date Publication date Assignee Title
WO2021164552A1 (en) * 2020-02-19 2021-08-26 东莞市环力智能科技有限公司 Inward folding hinge and inward folding mobile terminal
CN111741146A (en) * 2020-06-09 2020-10-02 Oppo(重庆)智能科技有限公司 Folding mechanism and electronic equipment with same
CN112885316A (en) * 2021-04-02 2021-06-01 东莞市美派电子科技有限公司 Folding connecting assembly and foldable electronic organ
WO2022247310A1 (en) * 2021-05-27 2022-12-01 荣耀终端有限公司 Rotating mechanism, support apparatus and electronic device

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