CN216057100U

CN216057100U - Folding hinge applied to mobile terminal and folding terminal

Info

Publication number: CN216057100U
Application number: CN202122510075.2U
Authority: CN
Inventors: 许钰锋; 周鹏
Original assignee: Dongguan Huanli Intelligent Technology Co ltd
Current assignee: Dongguan Huanli Intelligent Technology Co ltd
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2022-03-15
Anticipated expiration: 2031-10-19

Abstract

The utility model provides a folding hinge applied to a mobile terminal and the folding terminal, which comprise a middle shell and two linkage modules for realizing synchronous rotation and quick locking of the terminal shell, wherein a plurality of mounting positions are arranged in the middle shell; the two linkage modules are respectively positioned at two ends in the middle shell and are arranged on corresponding installation positions; each linkage module is composed of a virtual axis mechanism, a gear synchronization mechanism and a locking mechanism. The utility model has the beneficial effects that: the two linkage modules with the same structure are respectively installed at the two ends of the middle shell and form a folding hinge structure, so that the folding hinge structure is simpler, the miniaturization of the folding hinge can be realized, and then, various mobile devices (mobile phones, notebook computers, tablet computers and the like) can be better adapted, and the locking can be realized when the terminal shell is completely opened and closed through the arranged locking mechanism, so that the texture of the product at the folding terminal is increased.

Description

Folding hinge applied to mobile terminal and folding terminal

Technical Field

The utility model belongs to the technical field of electronic equipment, and particularly relates to a folding hinge applied to a mobile terminal and the folding terminal.

Background

The flexible screen is a flexible screen and is referred to as a flexible OLED. The successful mass production of the flexible screen is not limited to the manufacture of a new generation of high-end smart phone, and the application of the wearable device is greatly influenced due to the characteristics of low power consumption and flexibility.

The folding hinge is an important component of the flexible screen, the existing three-section type internal folding hinge has many and complex actuating mechanisms and unstable structural connection, the space occupation ratio of the mobile terminal is large, and meanwhile, the hinge has poor adaptability to different mobile terminals. Therefore, the research on the inner folding hinge which has small space occupation ratio and simple and efficient action mechanism and can meet the appearance of various folding mobile terminals is significant.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a folding hinge applied to a mobile terminal and the folding terminal, and aims to solve the problems that the existing three-section type internal folding hinge has more and complicated action mechanisms, unstable structural connection, large space occupation ratio of the mobile terminal and poor adaptability of the hinge to different mobile terminals.

In order to achieve the purpose, the utility model provides the following technical scheme: a folding hinge applied to a mobile terminal, comprising: the middle shell is internally provided with a plurality of mounting positions;

the two linkage modules are used for realizing synchronous rotation and quick locking of the terminal shell, are respectively positioned at two ends in the middle shell and are arranged on corresponding installation positions;

preferably, each linkage module is composed of a virtual axis mechanism, a gear synchronization mechanism and a locking mechanism.

Preferably, the virtual axis mechanism includes a rotating bracket fixedly connected to the corresponding mounting position inside the middle housing, arc-shaped grooves are respectively formed on both sides of the rotating bracket, and the arc-shaped grooves on both sides are respectively and rotatably connected with the left rotating block and the right rotating block through arc-shaped protrusions.

Preferably, the gear synchronizing mechanism comprises two intermediate gears which are connected with one end of the rotating support in an inserting mode, teeth of the two intermediate gears are connected in a meshing mode, one ends of the two intermediate gears are sleeved with limiting plates, two T-shaped intermediate connecting shafts are further connected between the limiting plates and the rotating support in an inserting mode, one ends of the intermediate connecting shafts are sleeved with first springs which are abutted to the rotating support, and the other ends of the intermediate connecting shafts penetrate through corresponding inserting holes of the rotating support and are sleeved with first E buttons.

Preferably, the gear synchronizing mechanism further comprises two gear arms respectively sleeved at the middle parts of the two middle connecting shafts, teeth of the two gear arms are respectively meshed with teeth of the two middle connecting shafts, one end of each gear arm is connected with a side connecting shaft in an inserting manner, the two side connecting shafts are respectively in interactive connection with guide slideways arranged at the bottoms of the left rotating block and the right rotating block, and one end of each side connecting shaft is sleeved with a second E buckle.

Preferably, the locking mechanism comprises a plurality of second springs arranged in spring grooves at the bottom of the rotating support, two ends of each second spring are fixedly connected with ejector rods, and one end of each ejector rod is arranged in the corresponding arc-shaped groove.

Preferably, a left cover plate and a right cover plate are respectively mounted on two sides of the top of the middle shell.

A folding terminal comprises the folding hinge applied to the mobile terminal, and further comprises a left shell and a right shell which are fixedly connected with a left rotating block and a right rotating block respectively.

Compared with the prior art, the utility model has the beneficial effects that:

1) the two linkage modules with the same structure are respectively arranged at two ends of the middle shell to form a folding hinge structure, so that the folding hinge structure is simpler, the miniaturization of the folding hinge can be realized, the folding hinge can be better adapted to various mobile devices (mobile phones, notebook computers, tablet computers and the like), the locking can be realized when the terminal shell is completely opened and closed through the arranged locking mechanism, and the texture of the folding terminal is improved;

2) virtual axle center mechanism that linkage module set up for the left casing and the right casing of terminal housing can lead around the rotation center of rotatory piece and rotate, ensure simultaneously that left casing and right casing when carrying out synchronous rotation, remain throughout to rotate the axle center and be in same straight line, make left casing, middle casing, right casing and linkage module can constitute the motion closed loop, also can increase the life who assembles this hinge mobile terminal to a certain extent.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of a closed configuration of the present invention;

FIG. 3 is a schematic illustration of the present invention in broken away form;

FIG. 4 is a schematic structural diagram of a linkage module according to the present invention;

FIG. 5 is a schematic view of a virtual axis mechanism according to the present invention;

FIG. 6 is a schematic view of a back structure of the linkage module according to the present invention;

FIG. 7 is a schematic structural view of a gear synchronizing mechanism of the present invention;

FIG. 8 is a schematic view of a left rotary block structure according to the present invention;

FIG. 9 is a schematic view of a rotary stand according to the present invention;

FIG. 10 is a schematic view of a linkage module according to the present invention;

FIG. 11 is a schematic view of the hinge of the present invention shown deployed;

fig. 12 is a schematic view of the hinge closure of the present invention.

In the figure: 1. a middle housing; 11. a left cover plate; 12. a right cover plate; 2. a linkage module; 2a, a virtual axis mechanism; 2a1, rotating bracket; 2a11, an arc-shaped slot; 2a2, left rotary block; 2a3, right rotary block; 2b, a gear synchronizing mechanism; 2b1, intermediate gear; 2b2 and a limit plate; 2b3, middle connecting shaft; 2b4, a first spring; 2b5, first E-button; 2b6, gear arm; 2b7, side connecting shaft; 2b8, second E-button; 2c, a locking mechanism; 2c1, a second spring; 2c2, a push rod; 3. a left housing; 4. and a right housing.

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. 1-12, the present invention provides the following technical solutions: a folding hinge applied to a mobile terminal, comprising: the device comprises a middle shell 1, wherein a plurality of mounting positions are arranged inside the middle shell 1;

the two linkage modules 2 are used for realizing synchronous rotation and quick locking of the terminal shell, and the two linkage modules 2 are respectively positioned at two ends inside the middle shell 1 and are arranged on corresponding installation positions;

in this embodiment: each linkage module 2 is composed of a virtual axis mechanism 2a, a gear synchronizing mechanism 2b and a locking mechanism 2c, and the virtual axis mechanism 2a, the gear synchronizing mechanism 2b and the locking mechanism 2c can be arranged to form a complete whole to form the linkage module 2, so that the hinge can be miniaturized as much as possible.

In this embodiment: the virtual axis mechanism 2a includes a rotating bracket 2a1 fixedly connected to the corresponding mounting position inside the middle housing 1, both sides of the rotating bracket 2a1 are provided with arc-shaped grooves 2a11, and the arc-shaped grooves 2a11 on both sides are respectively connected with a left rotating block 2a2 and a right rotating block 2a3 through arc-shaped protrusions.

Specifically, the rotation centers of the left and right rotary blocks 2a2 and 2a3 can be restricted by the arc-shaped grooves 2a11 of the rotary bracket 2a1 cooperating with the arc-shaped protrusions, thereby restricting the rotation center of the terminal housing;

when the hinge is being opened and closed, the left rotary piece 2a2 rotates about its center of rotation, and the right rotary piece 2a3 rotates about its center of rotation.

In this embodiment: the gear synchronizing mechanism 2b comprises two intermediate gears 2b1 which are in penetrating connection with one ends of rotary supports 2a1, teeth of the two intermediate gears 2b1 are in meshing connection, one ends of the two intermediate gears 2b1 are sleeved with limiting plates 2b2, two T-shaped intermediate connecting shafts 2b3 are further in penetrating connection between the limiting plates 2b2 and the rotary supports 2a1, one ends of the intermediate connecting shafts 2b3 are sleeved with first springs 2b4 which are abutted to the rotary supports 2a1, the other ends of the intermediate connecting shafts 2b3 penetrate through inserting holes corresponding to the rotary supports 2a1 and are sleeved with first E buckles 2b5, the gear synchronizing mechanism 2b further comprises two gear arms 2b6 which are respectively sleeved on the middle portions of the two intermediate connecting shafts 2b3, teeth of the two gear arms 2b6 are respectively in meshing connection with teeth of the two intermediate gears 2b1, one end of each gear arm 2b6 is connected with a side connecting shaft 2b7, a right-penetrating side connecting shaft 7 is respectively connected with a rotary block 599 and a rotary slide rail 599 which is respectively arranged on the bottom of the rotary support 2a rotary guide rail 599 And one end of the side connecting shaft 2b7 is sleeved with a second E buckle 2b 8.

Specifically, during the process of the hinge from opening to closing:

the left shell 3 of the mobile terminal moves clockwise to drive the left rotating block 2a2 to move clockwise; the left rotating block 2a2 drives the left gear arm 2b6 to move clockwise through the left connecting shaft 2b7, the left gear arm 2b6 drives the middle gear 2b1 to rotate clockwise, and the two middle gears 2b1 are meshed with each other to drive the right gear arm 2b6 to move counterclockwise; the right gear arm 2b6 on the right side is matched with the right connecting shaft 2b7 to drive the right rotating block 2a3 to move anticlockwise, and then the right shell 4 is driven to move anticlockwise; thereby realizing synchronous closing movement of the hinge;

in the process of opening the rotating shaft from closing:

the left housing 3 of the mobile terminal moves counterclockwise, which drives the left rotation block 2a2 to move counterclockwise; the left rotating block 2a2 drives the left gear arm 2b6 to move anticlockwise through the left connecting shaft 2b 7; the middle gear 2b1 is driven to rotate by clockwise movement of the left gear arm 2b6, so that the right gear arm 2b6 is driven to move anticlockwise; the right rotary block 2a3 is driven to move counterclockwise by the counterclockwise movement of the right gear arm 2b6 in cooperation with the right connecting shaft 2b7, and then the right housing 4 is driven to move counterclockwise, thereby realizing the synchronous opening movement of the hinge.

In this embodiment: the locking mechanism 2c comprises a plurality of second springs 2c1 arranged in spring grooves at the bottom of the rotating bracket 2a1, two ends of each second spring 2c1 are fixedly connected with ejector rods 2c2, and one end of each ejector rod 2c2 is arranged in the corresponding arc-shaped groove 2a 11.

Specifically, when the hinge is unfolded or closed, the left rotating block 2a2 and the right rotating block 2a3 rotate in the corresponding arc-shaped groove 2a11, wherein the rotating ends of the left rotating block 2a2 and the right rotating block 2a3 are both provided with openings, when the hinge is completely opened or closed, the openings of the left rotating block 2a2 and the right rotating block 2a3 are opposite to the external arrangement of the ejector rod 2c2, and the ejector rod 2c2 enters the openings under the elastic action of the second spring 2c1, so that the opening and closing of the folding terminal are locked.

In addition, when the hinge rotates, the whole process provides the torsion of the rotating shaft through the spring, and the spring can be an elastic mechanism such as a disc spring.

In this embodiment: the top both sides of middle casing 1 still install left side apron 11 and right side apron 12 respectively, effectively support the flexible screen through the left side apron 11 and the right side apron 12 that set up.

A folder terminal comprising a folder hinge applied to a mobile terminal as claimed in any one of the above, further comprising a left housing 3 and a right housing 4 fixedly connected to a left rotary block 2a2 and a right rotary block 2a3, respectively.

Wherein left casing 3 and right casing 4 and left side apron 11 and right side apron 12 flush the setting, and left casing 3 and right casing 4 through setting up cooperate left side apron 11 and right side apron 12 can further realize carrying out the erection bracing to the flexible screen.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A folding hinge applied to a mobile terminal, comprising: the device comprises a middle shell (1), wherein a plurality of mounting positions are arranged inside the middle shell (1);

the terminal shell comprises two linkage modules (2) for realizing synchronous rotation and quick locking of the terminal shell, wherein the two linkage modules (2) are respectively positioned at two ends inside a middle shell (1) and are arranged on corresponding mounting positions;

each linkage module (2) is composed of a virtual axis mechanism (2a), a gear synchronization mechanism (2b) and a locking mechanism (2 c).

2. The folding hinge applied to a mobile terminal according to claim 1, wherein: virtual axle center mechanism (2a) includes that fixed connection corresponds runing rest (2a1) on the installation position in middle casing (1) inside, the both sides of runing rest (2a1) all are equipped with arc wall (2a11), and arc wall (2a11) that are located both sides rotate respectively through the arc arch that is equipped with and are connected with left rotatory piece (2a2) and right rotatory piece (2a 3).

3. The folding hinge applied to a mobile terminal according to claim 2, wherein: gear synchro mechanism (2b) include two intermediate gear (2b1) of being connected with runing rest (2a1) one end interlude, and the tooth meshing of two intermediate gear (2b1) is connected, and the one end of two intermediate gear (2b1) has cup jointed limiting plate (2b2), it still alternates between limiting plate (2b2) and runing rest (2a1) and is connected with well connecting axle (2b3) of two T types, the one end of well connecting axle (2b3) has cup jointed first spring (2b4) inconsistent with runing rest (2a1), the plug hole that the other end of well connecting axle (2b3) passed runing rest (2a1) and corresponds has cup jointed first E and detain (2b 5).

4. The folding hinge applied to a mobile terminal according to claim 3, wherein: gear synchro mechanism (2b) still including cup jointing two gear arms (2b6) at two middle connecting axle (2b3) middle parts respectively, the tooth of two gear arms (2b6) is connected with the tooth meshing of two intermediate gear (2b1) respectively, every the one end of gear arm (2b6) all alternates and is connected with side connecting axle (2b7), two side connecting axle (2b7) are equipped with direction slide interactive connection with left rotatory piece (2a2) and right rotatory piece (2a3) bottom respectively, just the one end of side connecting axle (2b7) has cup jointed second E and has detained (2b 8).

5. The folding hinge applied to a mobile terminal according to claim 2, wherein: the locking mechanism (2c) comprises a plurality of second springs (2c1) arranged in spring grooves at the bottom of the rotating support (2a1), two ends of each second spring (2c1) are fixedly connected with ejector rods (2c2), and one end of each ejector rod (2c2) is arranged in a corresponding arc-shaped groove (2a 11).

6. The folding hinge applied to a mobile terminal according to claim 1, wherein: and a left cover plate (11) and a right cover plate (12) are respectively arranged on two sides of the top of the middle shell (1).

7. A folding terminal comprising a folding hinge applied to a mobile terminal according to any one of claims 1 to 6, further comprising a left housing (3) and a right housing (4) fixedly connected to the left rotary block (2a2) and the right rotary block (2a3), respectively.