CN111163199B - Inward folding hinge and inward folding mobile terminal - Google Patents
Inward folding hinge and inward folding mobile terminal Download PDFInfo
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- CN111163199B CN111163199B CN202010101840.2A CN202010101840A CN111163199B CN 111163199 B CN111163199 B CN 111163199B CN 202010101840 A CN202010101840 A CN 202010101840A CN 111163199 B CN111163199 B CN 111163199B
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- 230000007246 mechanism Effects 0.000 claims abstract description 104
- 238000000034 method Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 14
- 230000009471 action Effects 0.000 claims abstract description 12
- 230000005484 gravity Effects 0.000 claims abstract description 7
- 238000007665 sagging Methods 0.000 claims abstract description 6
- 230000001360 synchronised effect Effects 0.000 claims description 34
- 230000008569 process Effects 0.000 claims description 17
- 230000000630 rising effect Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000012938 design process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000011161 development 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
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000002441 reversible effect Effects 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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- 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
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Telephone Set Structure (AREA)
Abstract
本发明公开了一种内折叠铰链及内折移动终端，包括铰接机构，铰接机构包括：同步机构通过内部设置有用于提供终端机械感反馈，且保证铰链顺畅转动的齿轮组；多个锁定机构均设置有通过产生弹性支撑力并防止终端壳体在自然重力作用下导致下垂或过折的弹性部；多个与对应左升降板和右升降板进行安装，并且用于实现铰链在打开时能支撑屏幕和在闭合时能避让空间给屏幕折弯的屏幕支撑避让机构；且左盖板和右盖板的底部均安装有防止屏幕隆起，并紧贴于其表面的滑轨机构；本发明其内部相同动作结构均采用相同结构和对称的安装方式，极大简化了内折叠铰链的结构复杂度，同时也确保了铰链的开合时的稳定性，继而可以更好的适配多种移动终端。
The present invention discloses an inner folding hinge and an inner folding mobile terminal, including an articulated mechanism, wherein the articulated mechanism comprises: a synchronization mechanism having an internally arranged gear set for providing mechanical feedback of the terminal and ensuring smooth rotation of the hinge; a plurality of locking mechanisms each having an elastic portion for generating an elastic supporting force and preventing the terminal shell from sagging or over-folding under the action of natural gravity; a plurality of screen support and avoidance mechanisms which are installed with corresponding left and right lifting plates and are used to enable the hinge to support the screen when opened and to avoid space for the screen to bend when closed; and a slide rail mechanism which prevents the screen from bulging and is closely attached to its surface is installed at the bottom of the left cover plate and the right cover plate; the present invention has the same internal action structure which adopts the same structure and symmetrical installation method, which greatly simplifies the structural complexity of the inner folding hinge, and also ensures the stability of the hinge when opening and closing, so as to better adapt to a variety of mobile terminals.
Description
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
Since large-screen mobile phones have obvious advantages over small-screen mobile phones in visual and entertainment experience, flagship mobile phone products of current mainstream manufacturers tend to be large-screen design. But a large screen mobile phone has a great disadvantage in terms of holding comfort and portability as a smaller screen mobile phone. Along with the gradual commercialization of flexible display panels, the folding mobile phone is becoming a main direction of mobile phone development under mainstream equipment manufacturers due to the characteristic that the display panels of the folding mobile phone can flexibly change in size under different use scenes.
The inner folding mobile phone is used as a common type of common folding mobile phone, in the production process, the inner folding hinge is an indispensable accessory, but the traditional inner folding hinge structure has a plurality of and complex actuating mechanisms, a great amount of labor cost and time cost are required to be input in the design process and the manufacturing process, meanwhile, the traditional hinge is low in stability in the rotation process due to the complex actuating mechanism, and meanwhile, when the inner folding hinge is actually applied to a mobile terminal, the flexible display screen is easily damaged due to the inner folding hinge with a complex structure, the service life of the inner folding mobile terminal is reduced, and the suitability of the traditional outer folding hinge to different types of mobile terminals is poor.
Disclosure of Invention
The invention aims to provide an inner folding hinge and an inner folding mobile terminal, which are used for solving the problems that the traditional inner folding hinge structure provided in the background art is more and more complex in action mechanisms, a great amount of labor cost and time cost are required to be input in both the design process and the manufacturing process of the action mechanisms, meanwhile, the stability is lower due to the fact that the action mechanisms are complex in the rotation process of the traditional hinge, and meanwhile, when the traditional hinge is actually applied to the mobile terminal, the flexible display screen is easily damaged by the inner folding hinge with a complex structure.
In order to achieve the above purpose, the invention provides the following technical scheme that the inner folding hinge comprises a hinge mechanism, wherein the hinge mechanism comprises:
a middle shell, wherein the inside of the middle shell is provided with a plurality of installation positions of the mechanisms;
The two synchronous mechanisms are symmetrically arranged on the mounting positions at two ends of the middle shell, the synchronous mechanisms are internally provided with gear sets for providing mechanical feedback of the terminal and ensuring smooth rotation of the hinge, and the two synchronous mechanisms are further provided with two rotating ends for realizing synchronous rotation of the terminal shell;
The locking mechanisms are correspondingly arranged on the middle shell installation positions and are provided with elastic parts which generate elastic supporting force and prevent the terminal shell from sagging or overstretching under the action of natural gravity;
the connecting mechanisms are correspondingly arranged on the middle shell installation positions, and the connecting mechanisms are respectively 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 supporting avoidance mechanisms are installed corresponding to the left lifting plate and the right lifting plate and are used for realizing that the hinge 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 horizontally kept with the left lifting plate and the right lifting plate and are correspondingly arranged, 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 in a tightening state all the time in the process of opening and closing the hinge, prevents the screen from rising and is clung to the surface of the screen.
As a preferred technical scheme of the invention, the synchronous mechanism comprises a gear seat and a gear positioning plate which are arranged on a corresponding installation position of a middle shell, two first middle gear rods and two second middle gear rods which are horizontally arranged are installed at the bottom between the gear seat and the gear positioning plate in an inserted mode, a left gear rod and a right gear rod which are respectively opposite to the positions of the first middle gear rods and the second middle gear rods are connected to the top between the lifting plate fixing seat and the gear positioning plate in an inserted mode, one ends of the first middle gear rods and the second middle gear rods are respectively connected with first full teeth which are in a sleeved mode and are in synchronous rotation, two first full teeth are arranged in the gear seat in a meshed mode, the other ends of the second middle gear rods are also connected with second full teeth which are arranged in the gear seat in a sleeved mode, a left half tooth which is in synchronous rotation with the first middle gear rod and is in meshed mode with the first full teeth on the first middle gear rod is connected with the outer portion of the lifting plate fixing seat in a sleeved mode, a left half tooth which is in synchronous rotation with the second middle gear rod is achieved, one end of the left half tooth is connected with the second middle gear rod in a sleeved mode, one end of the left half tooth is in meshed mode with the second full tooth is connected with the second full tooth in meshed mode, and one end of the left half tooth is connected with the first full tooth is connected with the right half tooth in a synchronous rotation mechanism, and one end of the other end of the left half tooth is formed synchronous gear is in a synchronous gear.
As a preferable technical scheme of the invention, the locking mechanism comprises a reset spring A arranged on the middle shell, two ends of the reset spring A are sleeved with a ball rod matched with the reset spring A to form an elastic part, and the ball rod is connected with the inclined surfaces of the lifting plates which are correspondingly arranged on the inner sides of the left lifting plate and the right lifting plate in an elastic supporting manner.
As a preferable technical scheme of the invention, the connecting mechanism further comprises U-shaped bulges arranged on the inner sides of the left lifting plate and the right lifting plate, and the U-shaped bulges are in rotary connection with the raised heads on the sides of the fixing seats of the corresponding lifting plates through pins.
As a preferable technical scheme of the invention, the screen support avoiding mechanism comprises a spring seat, the middle part of the spring seat is connected with a push rod in a penetrating way, the outside of the push rod is sleeved with a reset spring B which is arranged in the spring seat and used for resetting 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 grooves, the inside of the arc grooves is connected with a sliding shaft in a sliding way, the outside of the sliding shaft is sleeved with a connecting rod, one end of the connecting rod is in contact with the push rod, and the other end of the connecting rod is in rotary connection with a U-shaped block which is correspondingly arranged on the outer sides of the left lifting plate and the right lifting plate through a rotary pin.
As a preferable technical scheme of the invention, the sliding rail mechanism comprises a sliding seat, a sliding block fixedly installed on a corresponding left cover plate and right cover plate is connected in a sliding manner in the sliding seat, a first stop block and a second stop block which are fixedly connected with the inside of the sliding seat and prevent the sliding block from separating are respectively arranged at two ends of the sliding block, and a reset spring C for resetting the sliding block is installed between one end of the sliding block and the first stop block.
As a preferable technical scheme of the invention, the top of the middle shell is also provided with a middle cover plate which is matched with the left lifting plate and the right lifting plate to realize the installation and the support of the flexible display screen, and when the hinge is completely unfolded, the middle cover plate is kept flush with the left lifting plate and the right lifting plate.
An inward folding mobile terminal comprises any one of the above inward folding hinges, and further comprises 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 right shell through screws.
Compared with the prior art, the invention has the beneficial effects that:
1) Through arranging the synchronous mechanism with the same structure, the locking mechanism with the same structure and the connecting mechanism with the same structure inside the two ends of the middle shell, a plurality of all gears arranged by the synchronous mechanism are matched with the half gears, and the rotating arm is matched with the terminal shell, so that the hinge can drive the terminal shell to synchronously rotate clockwise and anticlockwise, and the meshed gears ensure smooth rotation of the hinge and simultaneously have better mechanical feedback sense when the inward folding mobile terminal is used; the ball rod of the locking mechanism is in running fit with the inclined plane of the lifting plate at the inner side of the lifting plate under the action of the return spring, the hinge is automatically opened and closed after being applied with force by utilizing the lever principle, the terminal shell is prevented from sagging or overstretching under the action of natural gravity when being locked, the lifting plate and the middle shell are in running fit by the left lifting plate and the right lifting plate through the connecting mechanism, the screen supporting avoidance mechanism formed by a plurality of identical structures is further arranged on the hinging mechanism, so that the hinge can support a screen when being opened and can avoid space to bend the screen when being closed, and the screen is always in a tense state in the process of opening and closing the hinge by the sliding rail mechanism formed by a plurality of identical structures, is prevented from rising and clinging to the surface of the screen, and the screen supporting avoidance mechanism is matched to prevent the hinge from damaging the flexible display screen when being rotated, so that the service life of the terminal is prolonged.
2) The two synchronous mechanisms, the plurality of locking mechanisms, the plurality of connecting mechanisms, the plurality of screen support avoidance mechanisms and the plurality of slide rail mechanisms in the inner folding hinge all adopt the same structure and symmetrical installation mode, so that the structural complexity of the inner folding hinge is greatly simplified, the stability of the hinge during opening and closing is ensured, and then the inner folding hinge can be better adapted to various mobile terminals (mobile phones, notebook computers, tablet computers and the like).
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a split structure of the present invention;
FIG. 3 is an enlarged schematic view of FIG. 2 at A in accordance with the present invention;
FIG. 4 is a schematic diagram of the synchronous mechanism of the present invention in an expanded configuration;
FIG. 5 is a schematic diagram of a closed structure of a synchronizing mechanism according to the present invention;
FIG. 6 is a schematic view of the locking mechanism of the present invention in an expanded configuration;
FIG. 7 is a schematic view of a locking mechanism closure of the present invention;
FIG. 8 is a diagram showing an analysis of the deployment force of the synchronizing mechanism according to the present invention;
FIG. 9 is a diagram showing the closing force analysis of the synchronous mechanism according to the present invention
FIG. 10 is a diagram of an analysis of the stress of the deployment and reverse placement of the synchronizing mechanism of the present invention;
FIG. 11 is a schematic view of a screen support evasion mechanism of the present invention;
FIG. 12 is a schematic view of a screen support evasion mechanism of the present invention disassembled;
FIG. 13 is a schematic view of a slide rail mechanism according to the present invention;
fig. 14 is a schematic diagram of a sliding rail mechanism of the present invention.
In the figure, 1, a hinge mechanism, 11, a middle shell, 111, a middle cover plate, 1a, a synchronous mechanism, 1a1, a left rotating arm, 1a2, a right rotating arm, 1a3, a left gear rod, 1a4, a right gear rod, 1a5, a left half tooth, 1a6, a first full tooth, 1a7, a second full tooth, 1a8, a right half tooth, 1a9, a first middle gear rod, 1a10, a second middle gear rod, 1a11, a gear seat, 1a12, a gear positioning plate, 1B, a locking mechanism, 1B1, a club, 1B2, a return spring A, 1B3, a lifting plate inclined plane, 1C, a connecting mechanism, 1C1, a lifting plate fixing seat, 1C2, a pin, 1C3, a U-shaped bulge, 1d, a screen support avoidance mechanism, 1d1, a U-shaped block, 1d2, a second full tooth, 1d3, a return spring B, 1d4, a push rod, 1d5, a connecting arm, 1d6, a sliding shaft, 1d7, a ball arm, 1e, a 1e2, a lifting plate 1e2, a lifting plate, a sliding seat 1e3, a sliding seat 1e, a lifting plate and a sliding seat 1e 2.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1-14, the present invention provides an inner folding hinge, comprising a hinge mechanism 1, the hinge mechanism 1 comprising:
A middle housing 11 having a plurality of mechanism mounting positions for mounting members for the hinge operation structure;
The two synchronous mechanisms 1a, the two synchronous mechanisms 1a are symmetrically arranged on the mounting positions at two ends of the middle shell 11, the synchronous mechanisms 1a are internally provided with a gear set for providing mechanical feedback of the terminal and ensuring smooth rotation of the hinge, and the two synchronous mechanisms are also provided with two rotating ends for realizing synchronous rotation of the terminal shell;
A plurality of locking mechanisms 1b correspondingly mounted on the mounting positions of the intermediate housing 11, the plurality of locking mechanisms 1b each being provided with an elastic portion for preventing the terminal housing from sagging or overstretching under the action of natural gravity by generating an elastic supporting force;
A plurality of connecting mechanisms 1c correspondingly installed on the installation positions of the middle shell 11, wherein the plurality of 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 avoidance 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 space to bend the screen when closed;
And a screen supporting mechanism including a left cover plate 21 and a right cover plate 31 which are horizontally and correspondingly arranged with the left lifting plate 12 and the right lifting plate 13, wherein the bottoms of the left cover plate 21 and the right cover plate 31 are respectively provided with a slide rail mechanism 1e which enables the screen to be always in a tight state in the process of opening and closing the hinge, prevents the screen from rising and clings to the surface of the screen.
In the embodiment, the synchronizing mechanism 1a comprises a gear seat 1a11 and a gear positioning plate 1a12 which are arranged on corresponding installation positions of the middle shell 11, two first middle gear rods 1a9 and second middle gear rods 1a10 which are horizontally arranged are installed at the bottom between the gear seat 1a11 and the gear positioning plate 1a12 in a penetrating manner, a left gear rod 1a3 and a right gear rod 1a4 which are respectively opposite to the positions of the first middle gear rod 1a9 and the second middle gear rod 1a10 are connected to the top between the lifting plate fixing seat 1c1 and the gear positioning plate 1a12 in a penetrating manner, one ends of the first middle gear rod 1a9 and the second middle gear rod 1a10 are respectively sleeved with a first full tooth 1a6 which realizes synchronous rotation of the two middle gear rods, the two first full teeth 1a6 are arranged in the gear seat 1a11 and are in meshed connection, the other end of the second middle gear rod 1a10 is also sleeved with a second full tooth 1a7 arranged in the gear seat 1a11, the outer part of the left gear rod 1a3 is sleeved with a left half tooth 1a5 which is in synchronous rotation with the first middle gear rod 1a9 and is in meshed connection with the first full tooth 1a6 on the first middle gear rod 1a9, the outer part of the right gear rod 1a4 is sleeved with a right half tooth 1a8 which is in synchronous rotation with the second middle gear rod 1a10 and is in meshed connection with the 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 sleeved with a left rotating arm 1a2 and a right rotating arm 1a2, and the left rotating arm 1a2 form a rotating end of the synchronous mechanism 1 a.
Specifically, in the process of closing the inward folding terminal (as shown in fig. 5), the left shell 2 moves clockwise, the left rotating arm a11 is driven to move clockwise, the left rotating arm 1a1 which rotates clockwise drives the left gear rod 1a3 to move clockwise, when the left gear rod 1a3 moves clockwise, the left half gear 1a5 is meshed with the first full gear 1a6 on the first middle gear rod 1a9 and then drives the first middle gear rod 1a9 to move anticlockwise, and because the first middle gear rod 1a9 and the second middle gear rod 1a10 are meshed and rotationally connected through the two first full gears 1a6 and then drive the second middle gear rod 1a10 to move clockwise through the first middle gear rod 1a9, the second middle gear rod 1a10 which moves clockwise is meshed and connected with the right half gear 1a8 on the right gear rod 1a4 through the second full gear 1a7 and then drives the right gear rod 1a4 to move anticlockwise, and then the right gear rod 1a4 drives the right rotating arm 1a2 to drive the shell 3 to rotate anticlockwise, so that the left shell and the right shell is synchronously moved anticlockwise;
In the process of unfolding the inward folding terminal (shown in fig. 4), the left shell 2 moves anticlockwise, the left rotating arm a11 is driven to move anticlockwise, 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 gears in the gear set, and the right gear rod 1a4 which rotates clockwise drives the right shell 3 to rotate clockwise through the right rotating arm 1a2, so that synchronous unfolding movement between the left shell and the right shell is realized.
In the embodiment, the locking mechanism 1b includes a return spring A1b2 mounted on the middle housing 11, two ends of the return spring A1b2 are sleeved with a ball bar 1b1 matched with the ball bar 1b to form an elastic part, and the ball bar 1b1 is elastically supported and connected with lifting plate inclined planes 1b3 correspondingly arranged on the inner sides of the left lifting plate 12 and the right lifting plate 13.
Specifically, in the process of closing the inward folding 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, and the lifting plate inclined surface 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 horizontally move towards the middle and compress the return spring A1b2, and in the closing process, when the spherical surface passes over the inclined surface, the lifting plate is subjected to the force F3 provided by the return spring A1b2, and the outer side of the lifting plate generates the inward force F4 after the center conversion (namely the lever principle) of the lifting plate inclined surface 1b3, so that the lifting plate can realize automatic closing and locking and prevent the hinge from loosening;
In the process of unfolding the inward folding terminal (as shown in fig. 6 and 8), the left lifting plate 12 and the right lifting plate 13 rotate, when the lifting plate rotates to the point that the spherical surface of the ball rod 1b1 contacts with the lifting plate inclined surface 1b3, the lifting plate inclined surface 1b3 is provided with force F1 by a return spring A1b2 of the vertical inclined surface, and the outer side of the lifting plate generates downward force F2 after the conversion (namely, the lever principle) of the center of the lifting plate inclined surface 1b3, so that the lifting plate can realize automatic unlocking and locking and prevent the rotating shaft from loosening;
When the inward folding terminal is in an open state and placed reversely (as shown in fig. 10), the lifting plate inclined plane 1b3 is provided with a force F1 by the reset spring A1b2, namely, the lifting plate inclined plane 1b3 is provided with a component F1 'vertical to the plane of the lifting plate and a component F1' parallel to the lifting plate, the horizontal distance between the F1 'and the lifting plate and the rotation center of the lifting plate inclined plane 1b3 is L1, the horizontal distance between the natural gravity G of the terminal shell and the rotation center of the terminal shell is L2, and the hinge achieves mechanical balance in the open state, so that F1' xL1=GxL2 prevents the shells at two sides from sagging under the action of the natural gravity when the hinge is placed reversely, and prevents the structure from loosening.
Further, the connecting mechanism 1c further comprises a U-shaped protrusion 1c3 arranged on the inner sides of the left lifting plate 12 and the right lifting plate 13, the U-shaped protrusion 1c3 is rotationally connected with a protruding head on the side of the corresponding lifting plate fixing seat 1c1 through a pin 1c2, the lifting plate fixing seat 1c1 is installed in the middle shell 11, the protruding head on the side of the lifting plate fixing seat 1c1 is rotationally connected with the protruding head on the side of the lifting plate fixing seat 1c2 through the matching pin 1c2 of the U-shaped protrusions 1c3 on the inner sides of the left lifting plate 12 and the right lifting plate 13, and the left lifting plate 12 and the right lifting plate 13 can be installed with the middle shell 11 quickly and are prevented from falling off.
In this embodiment, the screen support dodges mechanism 1d includes spring holder 1d2, the middle part of spring holder 1d2 is connected with ejector pin 1d4 in a penetrating way, the outside cover of ejector pin 1d4 is equipped with and arranges in inside spring holder 1d2 and is used for ejector pin 1d4 reset spring B1d3, the one end fixed mounting of spring holder 1d2 has two connection arms 1d5 that the opposite just open arc groove in position, the inside sliding connection in arc groove has slide shaft 1d6, slide shaft 1d 6's outside has cup jointed the connecting rod 1d7 that one end is inconsistent with ejector pin 1d4, the other end of connecting rod 1d7 is rotated with the corresponding U type piece 1d1 that sets up in left lifter plate 12 and right lifter plate 13 outside through the swivel pin.
Specifically, in the process of closing the inward folding 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 and sink to drive the connecting rod 1d7 to rotate and sink, the sliding shaft 1d6 slides in the arc-shaped groove of the connecting arm 1d5 and extrudes the ejector rod 1d4 to move to two sides, and the lifting plate avoiding space bends a screen in the hinge closing process;
In the process of unfolding the inward folding terminal, the left shell 2 rotates anticlockwise, the right shell 3 rotates clockwise, the left lifting plate 12 and the right lifting plate 13 rotate and lift, meanwhile, the left lifting plate and the right lifting plate drive the connecting rod 1d7 to rotate and lift, the sliding shaft 1d6 slides in the arc-shaped groove of the connecting arm 1d5, the reset spring B1d3 pushes the ejector rod 1d4 to move towards the middle, the ejector rod 1d4 pushes the connecting rod 1d7 to support the lifting plate, and therefore the screen is supported, and the lifting plate lifts the support screen in the hinge opening process.
In this embodiment, the slide rail mechanism 1e includes a slide 1e1, a slider 1e4 fixedly mounted on the corresponding left cover plate 21 and right cover plate 31 is slidably connected inside the slide 1e1, two ends of the slider 1e4 are respectively provided with a first stop block 1e2 and a second stop block 1e5 fixedly connected inside the slide 1e1 and preventing the slider 1e4 from separating, and a return spring C1e3 for resetting the slider 1e4 is mounted between one end of the slider 1e4 and the first stop block 1e 2.
Specifically, in the process of closing the inward folding terminal, the screen is bent and hidden in the avoidance 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 the screen is prevented from rising;
In the process of unfolding the inward folding terminal, the left lifting plate 12 and the right lifting plate 13 lift up to support the screen, the left cover plate 21 and the right cover plate 31 on the two sides of the screen are pulled towards the middle, and the sliding block 1e4 compresses the reset spring C1e3, so that the screen is in a tight state, and the screen is prevented from rising.
Further, the top of the middle housing 11 is further provided with a middle cover plate 111 which is matched with the left lifting plate 12 and the right lifting plate 13 to mount and support the flexible display screen, and when the hinge is completely unfolded, the middle cover plate 111 is kept flush with the left lifting plate 12 and the right lifting plate 13, so that the screen can be rapidly mounted on the inner side of the terminal housing.
An inward folding mobile terminal comprises any one of the above inward folding hinges, and further comprises a left shell 2 and a right shell 3 which are used for forming a terminal shell, wherein the left shell 2 and the right shell 3 are respectively positioned on the left side and the right side of a middle shell 11 and are kept horizontal with the middle shell 11, so that the inward folding hinge can be better adapted to various mobile terminals.
Further, the left rotating arm 1a1 and the right rotating arm 1a2 are fixedly connected with the inner side ends of the left shell 2 and the right shell 3 respectively, the spring seat 1d2 and the sliding seat 1e1 are fixedly connected with the inner sides of the corresponding left shell 2 and right shell 3 through screws, and the left shell 2 and the right shell 3 can be driven to synchronously rotate by utilizing the left rotating arm 1a1 and the right rotating arm 1a 2.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated is based on the orientation or positional relationship shown in the drawings, and is merely for convenience in describing the present invention and simplifying the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the present invention, unless explicitly specified and defined otherwise, for example, it may be fixedly connected, detachably connected or integrally formed, mechanically connected, electrically connected, directly connected, indirectly connected through an intermediate medium, connected internally of two elements or the interaction relationship of two elements, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances unless explicitly defined otherwise.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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. An internal folding hinge comprising a hinge mechanism, characterized in that the hinge mechanism comprises:
a middle shell, wherein the inside of the middle shell is provided with a plurality of installation positions of the mechanisms;
The two synchronous mechanisms are symmetrically arranged on the mounting positions at two ends of the middle shell, the synchronous mechanisms are internally provided with gear sets for providing mechanical feedback of the terminal and ensuring smooth rotation of the hinge, and the two synchronous mechanisms are further provided with two rotating ends for realizing synchronous rotation of the terminal shell;
The locking mechanisms are correspondingly arranged on the middle shell installation positions and are provided with elastic parts which generate elastic supporting force and prevent the terminal shell from sagging or overstretching under the action of natural gravity;
the connecting mechanisms are correspondingly arranged on the middle shell installation positions, and the connecting mechanisms are respectively 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 supporting avoidance mechanisms are installed corresponding to the left lifting plate and the right lifting plate and are used for realizing that the hinge can support the screen when being opened and can avoid space to bend the screen when being closed;
the screen supporting mechanism comprises a left cover plate and a right cover plate which are horizontally and correspondingly arranged with the left lifting plate and the right lifting plate, and sliding rail mechanisms which enable the screen to be always in a tight state in the process of opening and closing the hinge are arranged at the bottoms of the left cover plate and the right cover plate, prevent the screen from rising and cling to the surface of the screen;
The synchronous mechanism comprises a gear seat and a gear positioning plate which are arranged on a corresponding installation position of the middle shell, two first middle gear rods and two second middle gear rods which are horizontally arranged are installed at the bottom between the gear seat and the gear positioning plate in an inserted mode, a left gear rod and a right gear rod which are respectively opposite to the positions of the first middle gear rods and the second middle gear rods are connected with the top between the lifting plate fixing seat and the gear positioning plate in an inserted mode, one ends of the first middle gear rods and the second middle gear rods are connected with first full teeth which realize synchronous rotation of the two middle gear rods in a sleeved mode, the two first full teeth are arranged inside the gear seat and are connected with each other in an engaged mode, the other end of the second middle gear rod is connected with second full teeth which are arranged inside the gear seat in a sleeved mode, a left half tooth which is connected with the first full teeth on the first middle gear rod in a meshed mode is connected with the outer portion of the lifting plate fixing seat, a right half tooth which is connected with the second middle gear rod in a meshed mode is connected with the outer portion of the right gear rod in a meshed mode, a left half tooth which is connected with the second full tooth in a meshed mode, the left half tooth, the first full tooth, the full tooth of the second full tooth and the right full tooth gear rod and the right full tooth rotating mechanism are connected with the right half tooth rotating mechanism are formed by the left half tooth and the right full tooth rotating mechanism, and the right full tooth rotating arm are connected with the right full tooth rotation mechanism, and the right half tooth synchronization mechanism, and the right gear rotating end and right gear synchronization mechanism, and the right gear rotating gear rod;
The locking mechanism comprises a reset spring A arranged on the middle shell, two ends of the reset spring A are sleeved with a ball rod matched with the reset spring A to form an elastic part, and the ball rod is connected with lifting plate inclined surfaces which are correspondingly arranged on the inner sides of the left lifting plate and the right lifting plate in an elastic supporting manner.
2. The inner folding hinge according to claim 1, wherein 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 fixing seats of the corresponding lifting plates through pins.
3. The inner folding hinge according to claim 1, wherein the screen support avoiding mechanism comprises a spring seat, a push rod is connected to the middle of the spring seat in a penetrating manner, a reset spring B which is arranged in the spring seat and used for resetting the push rod is sleeved outside the push rod, two connecting arms which are opposite in position and provided with arc grooves are fixedly arranged at one end of the spring seat, a sliding shaft is connected inside the arc grooves in a sliding manner, 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 in rotary connection with U-shaped blocks which are correspondingly arranged outside the left lifting plate and the right lifting plate through a rotary pin.
4. The inner folding hinge according to claim 3, wherein the sliding rail mechanism comprises a sliding seat, a sliding block fixedly installed on the corresponding left cover plate and right cover plate is connected inside the sliding seat in a sliding manner, a first stop block and a second stop block which are fixedly connected with the inside of the sliding seat and prevent the sliding block from being separated are respectively arranged at two ends of the sliding block, and a reset spring C for resetting the sliding block is installed between one end of the sliding block and the first stop block.
5. The inner folding hinge according to claim 1, wherein the middle cover plate which is matched with the left lifting plate and the right lifting plate to realize the installation and the support of the flexible display screen is further arranged at the top of the middle shell, and the middle cover plate is kept flush with the left lifting plate and the right lifting plate when the hinge is fully unfolded.
6. An inward folding mobile terminal comprising an inward folding hinge according to any one of claims 1 to 5, and further comprising a left housing and a right housing for constituting a terminal housing, the left housing and the right housing being located on the left side and the right side of the middle housing, respectively, and being kept horizontal with the middle housing.
7. The inward folding mobile terminal according to claim 6, wherein the left rotating arm and the right rotating arm are fixedly connected with inner side ends of the left shell and the right shell respectively, and the spring seat and the sliding seat are fixedly connected with inner sides of the corresponding left shell and right shell respectively through screws.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010101840.2A CN111163199B (en) | 2020-02-19 | 2020-02-19 | Inward folding hinge and inward folding mobile terminal |
| PCT/CN2021/075080 WO2021164552A1 (en) | 2020-02-19 | 2021-02-03 | Inward folding hinge and inward folding mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010101840.2A CN111163199B (en) | 2020-02-19 | 2020-02-19 | Inward folding hinge and inward folding mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111163199A CN111163199A (en) | 2020-05-15 |
| CN111163199B true CN111163199B (en) | 2025-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010101840.2A Active CN111163199B (en) | 2020-02-19 | 2020-02-19 | Inward folding hinge and inward folding mobile terminal |
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| Country | Link |
|---|---|
| CN (1) | CN111163199B (en) |
| WO (1) | WO2021164552A1 (en) |
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| CN114063706B (en) * | 2020-07-29 | 2025-05-20 | 华为技术有限公司 | Damping mechanism, folding hinge and foldable electronic equipment |
| CN111163199B (en) * | 2020-02-19 | 2025-01-14 | 东莞市环力智能科技有限公司 | Inward folding hinge and inward folding mobile terminal |
| CN111741146B (en) * | 2020-06-09 | 2022-01-11 | Oppo（重庆）智能科技有限公司 | Folding mechanism and electronic equipment with same |
| CN114183657A (en) * | 2020-09-15 | 2022-03-15 | 深圳市易扑势商友科技有限公司 | Video conference is with many shielding formula devices of folding and unfolding |
| CN112901649B (en) * | 2021-03-09 | 2024-12-31 | 东莞市环力智能科技有限公司 | A three-section inner folding hinge |
| 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 |
| CN113923281B (en) * | 2021-05-27 | 2022-11-04 | 荣耀终端有限公司 | A rotating mechanism, support device and electronic equipment |
| CN113266635B (en) * | 2021-06-25 | 2024-11-05 | 东莞市环力智能科技有限公司 | An inner folding hinge for mobile terminal |
| CN113339393A (en) * | 2021-07-16 | 2021-09-03 | 东莞市环力智能科技有限公司 | Mobile terminal and accessory equipment rotating shaft structure thereof |
| CN115641774B (en) * | 2021-07-20 | 2025-07-08 | 江苏盈智融科技有限公司 | Inward folding type flexible screen electronic equipment |
| CN113835473A (en) * | 2021-09-07 | 2021-12-24 | 江苏澳盛复合材料科技有限公司 | A door panel for foldable electronic devices |
| CN113794315B (en) * | 2021-09-23 | 2022-11-15 | 深圳市昱森机电有限公司 | Three-phase asynchronous motor |
| CN115995183A (en) * | 2021-10-20 | 2023-04-21 | 深圳市柔宇科技股份有限公司 | Foldable mechanism and display device |
| CN113873067B (en) * | 2021-10-26 | 2023-09-19 | 维沃移动通信有限公司 | Electronic equipment |
| CN114371413B (en) * | 2021-12-06 | 2025-06-17 | 西安理工大学 | An automatic detection platform for energy storage battery charge |
| CN114333587B (en) * | 2021-12-30 | 2024-06-04 | 中汽创智科技有限公司 | Display mechanism and cabin |
| CN115750580A (en) * | 2022-11-29 | 2023-03-07 | 上海富驰高科技股份有限公司 | Three-section type inward folding hinge and mobile terminal applying same |
| WO2025110460A1 (en) * | 2023-11-20 | 2025-05-30 | 삼성전자주식회사 | Foldable electronic device including hinge assembly |
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| KR101139866B1 (en) * | 2010-12-10 | 2012-05-02 | (주) 프렉코 | Hinge device of folding type mobile phone |
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| KR102319310B1 (en) * | 2015-05-27 | 2021-11-01 | 엘지전자 주식회사 | Mobile terminal |
| CN205847346U (en) * | 2016-06-07 | 2016-12-28 | 杭州安费诺飞凤通信部品有限公司 | The hinge of a kind of flexible screen mobile terminal, hinge means and flexible screen mobile terminal |
| CN108173995A (en) * | 2018-01-08 | 2018-06-15 | 杭州安费诺飞凤通信部品有限公司 | A kind of infolding flexible screen mobile terminal hinge and infolding flexible screen mobile terminal |
| 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 |
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| CN110671423B (en) * | 2019-11-06 | 2024-05-17 | 东莞市环力智能科技有限公司 | Three-section folding hinge for flexible screen and mobile device thereof |
| CN110738935B (en) * | 2019-11-26 | 2024-08-06 | 东莞市环力智能科技有限公司 | Inward folding flexible screen device |
| CN111163199B (en) * | 2020-02-19 | 2025-01-14 | 东莞市环力智能科技有限公司 | Inward folding hinge and inward folding mobile terminal |
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- 2020-02-19 CN CN202010101840.2A patent/CN111163199B/en active Active
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- 2021-02-03 WO PCT/CN2021/075080 patent/WO2021164552A1/en not_active Ceased
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|---|---|---|---|---|
| CN211702084U (en) * | 2020-02-19 | 2020-10-16 | 东莞市环力智能科技有限公司 | Interior folding hinge and interior book mobile terminal |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2021164552A1 (en) | 2021-08-26 |
| CN111163199A (en) | 2020-05-15 |
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