CN216057099U

CN216057099U - U-shaped folding hinge applied to mobile terminal and mobile terminal

Info

Publication number: CN216057099U
Application number: CN202122510016.5U
Authority: CN
Inventors: 洪艳斌; 许钰锋
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 U-shaped folding hinge applied to a mobile terminal and the mobile terminal, which comprise a middle shell and two linkage modules for realizing synchronous rotation and locking of the terminal shell, wherein a plurality of installation positions are arranged in the middle shell, the two linkage modules are respectively positioned at two ends of the middle shell and fixed with the corresponding installation positions, and each linkage module consists of a virtual shaft connecting mechanism, a synchronous rotation mechanism and a locking mechanism. The utility model has the beneficial effects that: the two linkage modules with the same structure are respectively arranged 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 the mobile equipment (a mobile phone, a notebook computer, a tablet computer and the like) can be better adapted.

Description

U-shaped folding hinge applied to mobile terminal and mobile terminal

Technical Field

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

Background

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

The development speed of the flexible screen is very fast, but the development speed of the folding hinge applied to the use of the flexible screen is still slower, the existing inner folding hinge structure has more and complicated action mechanisms and unstable structural connection, the space occupation ratio of the mobile terminal is large, and meanwhile, the hinge is poor in adaptability when being installed on different mobile terminals. Therefore, the research on the internal folding hinge which has small space occupation ratio and simple and efficient action mechanism and is suitable for different terminals is significant.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a U-shaped folding hinge applied to a mobile terminal and the mobile terminal, and aims to solve the problems that the existing internal folding hinge structure has more and complicated action mechanisms, unstable structural connection, large space occupation ratio of the mobile terminal and poor adaptability when the hinge is installed on different mobile terminals.

In order to achieve the purpose, the utility model provides the following technical scheme: a U-shaped 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 respectively positioned at two ends of the middle shell and fixed with corresponding mounting positions;

the linkage module is composed of a virtual shaft connecting mechanism, a synchronous rotating mechanism and a locking mechanism.

Preferably, the virtual shaft connecting mechanism includes two slide rail seats located on the inner side of the end of the middle housing, the two slide rail seats are fixedly connected with the corresponding mounting positions through screws, and the two slide rail seats are respectively connected with the left rotating block and the right rotating block in a sliding manner through provided slide ways.

Preferably, the synchronous rotating mechanism comprises two intermediate gears which are meshed with each other, the two intermediate gears are located between the ends of the two slide rail seats and are rotatably connected with shaft holes formed in the ends of the slide rail seats through connecting shafts, gear arms are respectively meshed and connected to the outer sides of the two intermediate gears, one ends of the two gear arms are rotatably connected with the corresponding shaft holes formed in the ends of the slide rail seats through gear arm connecting shafts, and the other ends of the gear arms are connected with sliding blocks through wheel arm connecting shafts.

Preferably, the two sliding blocks are in sliding connection with sliding grooves arranged at the bottoms of the corresponding left rotating block and the right rotating block through sliding ways, and sliding block bosses are arranged on two sides of each sliding block.

Preferably, the locking mechanism comprises two groups of spring seats which are fixedly arranged at the bottoms of the left rotating block and the right rotating block respectively, a spring support is arranged inside each spring seat, a bulge arranged at one end of each spring support is arranged outside each spring seat, and a spring arranged inside each spring seat is sleeved at the other end of each spring support.

Preferably, the top of the middle shell is further symmetrically provided with a left cover plate and a right cover plate.

A mobile terminal comprises the U-shaped folding hinge applied to the mobile terminal, a left shell and a right shell, wherein the left shell is fixedly connected with a left rotating block and a left cover plate, and the right shell is fixedly connected with a right rotating block and a right cover plate.

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

1) the left shell and the right shell of the mobile terminal can be guided to rotate around respective axes through the virtual shaft connecting mechanism arranged on the linkage module, the gear arm arranged on the synchronous rotating mechanism is in rotating fit with the intermediate gear, so that the left rotating block and the right rotating block can drive the terminal shells to synchronously move, and better mechanical feedback hand feeling is provided;

2) one end of a spring support arranged on the locking mechanism is matched with the sliding block, and the locking mechanism can lock when the hinge is completely opened or closed, so that the flexible display screen is prevented from being damaged due to the fact that the hinge is folded, and the service lives of the hinge and the mobile terminal are prolonged;

3) the two linkage modules with the same structure are respectively arranged 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 the mobile equipment (a mobile phone, a notebook computer, a tablet computer and the like) can be better adapted.

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 the present invention in a closed state;

FIG. 3 is a schematic view of the hinge structure of the present invention;

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

FIG. 5 is a schematic view of the linkage module according to the present invention in a closed state;

FIG. 6 is a schematic illustration of the present invention in broken away form;

FIG. 7 is a schematic diagram illustrating a disassembled linkage module according to the present invention;

FIG. 8 is an expanded cross-sectional view of the present invention;

fig. 9 is a schematic closed section view 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 shaft connecting mechanism; 2a1, a slide rail seat; 2a2, left rotary block; 2a3, right rotary block; 2b, a synchronous rotating mechanism; 2b1, intermediate gear; 2b2, gear arm connecting shaft; 2b3, gear arm; 2b4, wheel arm connecting shaft; 2b5, slider; 2c, a locking mechanism; 2c1, spring seats; 2c2, spring bracket; 2c3, spring; 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.

Referring to fig. 1-9, the present invention provides the following technical solutions: the utility model provides a be applied to mobile terminal's U type folding hinge, includes middle casing 1 and two linkage modules 2 that are used for realizing that the terminal casing rotates in step and locks, and wherein the inside of middle casing 1 is equipped with a plurality of installation positions, and two linkage modules 2 are located the both ends of middle casing 1 respectively and are fixed with the installation position that corresponds, and linkage module 2 comprises virtual shaft coupling mechanism 2a, synchronous slewing mechanism 2b and locking mechanical system 2 c.

In this embodiment: the virtual shaft connecting mechanism 2a comprises two slide rail seats 2a1 positioned on the inner side of the end of the middle shell 1, the two slide rail seats 2a1 are fixedly connected with corresponding mounting positions through screws, and the two slide rail seats 2a1 are respectively connected with a left rotating block 2a2 and a right rotating block 2a3 in a sliding mode through provided sliding ways.

Specifically, when the hinge is opened and closed, the sliding grooves of the left rotating block 2a2 and the right rotating block 2a3 are fitted with the rail of the slide rail seat 2a1, so that the left rotating block 2a2 and the right rotating block 2a3 can rotate around the rotation center of the slide rail seat 2a1, and the rotation of the terminal housing is guided.

In this embodiment: the synchronous rotating mechanism 2b comprises two middle gears 2b1 which are meshed with each other, the two middle gears 2b1 are located between the ends of the two slide rail seats 2a1, the middle gears 2b1 are rotatably connected with shaft holes formed in the ends of the slide rail seats 2a1 through connecting shafts, the outer sides of the two middle gears 2b1 are respectively connected with gear arms 2b3 in a meshed mode, one ends of the two gear arms 2b3 are rotatably connected with the shaft holes formed in the ends of the slide rail seats 2a1 through gear arm connecting shafts 2b2, the other ends of the gear arms 2b3 are connected with sliding blocks 2b5 through wheel arm connecting shafts 2b4, the two sliding blocks 2b5 are slidably connected with sliding grooves formed in the bottoms of the corresponding left rotating block 2a2 and the right rotating block 2a3 through sliding ways, and sliding block bosses are arranged on two sides of the sliding blocks 2b 5.

Specifically, the hinge is unfolded to be closed:

the left shell 3 is pulled to rotate clockwise to drive the left rotating block 2a2 to rotate clockwise, the left rotating block 2a2 rotates clockwise to drive the left slider 2b5 to rotate clockwise, meanwhile, the left slider 2b5 slides along the left rotating block 2a2 sliding groove, in addition, the left slider 2b5 rotates clockwise to drive the left gear arm 2b3 to rotate clockwise, the left gear arm 2b3 rotates clockwise to drive the middle gear 2b1 to rotate, so as to drive the right gear arm 2b3 to move anticlockwise, the right gear arm 2b3 moves anticlockwise to drive the right slider 2b5 to move anticlockwise, the right slider 2b5 drives the right rotating block 2a3 to move anticlockwise, the right rotating block 2a3 moves to drive the right shell 4 to move anticlockwise, and therefore, the left shell and right shell are synchronously closed anticlockwise;

the hinge is closed to unfolded: the left rotating block 2a2 is driven to rotate anticlockwise by pulling the left shell 3 to rotate anticlockwise, the left rotating block 2a2 rotates anticlockwise to drive the left slider 2b5 to rotate anticlockwise, meanwhile, the left slider 2b5 slides along the left rotating block 2a2 sliding groove, in addition, the left slider 2b5 rotates anticlockwise, the left gear arm 2b3 is driven to rotate anticlockwise, the left gear arm 2b3 rotates anticlockwise to drive the middle gear 2b1 to rotate, so as to drive the right gear arm 2b3 to move clockwise, the right gear arm 2b3 moves clockwise, the right slider 2b5 is driven to move clockwise, the right slider 2b5 moves clockwise to drive the right rotating block 2a3 to move clockwise, the right rotating block 2a3 moves clockwise, the right shell 4 is driven to move clockwise, and therefore synchronous opening movement of the left and right shells is achieved.

In this embodiment: locking mechanical system 2c includes two sets of spring holder 2c1 of fixed mounting respectively in left rotatory piece 2a2 and right rotatory piece 2a3 bottom, and spring holder 2c2 is all installed to the inside of every spring holder 2c1, and the outside of spring holder 2c1 is arranged in to the arch that spring holder 2c2 one end was equipped with, and the other pot head of spring holder 2c2 is equipped with and arranges spring 2c3 inside spring holder 2c 1.

Specifically, the hinge is unfolded to be closed:

the sliding block 2b5 slides towards the middle relative to the rotating block, in the sliding process of the sliding block 2b5, the sliding block boss firstly pushes the spring support 2c2 to move towards two sides, and when the spring support 2c2 moves towards two sides, the spring 2c3 can be compressed at the same time; when the slide block 2b5 moves to the state that the boss inclined plane of the slide block is contacted with the protrusion of the spring support 2c2, the spring support 2c2 pushes the slide block 2b5 to automatically slide towards the middle under the action of the spring force, and the locking function of the hinge in the closing process is realized;

the hinge is closed to unfolded: slider 2b5 is to the rotatory piece towards the outside slip, slider 2b5 is at the slip in-process, the slider boss can push away spring bracket 2c2 earlier and move towards both sides, can compress spring 2c3 simultaneously when spring bracket 2c2 moves towards both sides, when slider 2b5 moves its boss inclined plane and the protruding contact of spring bracket 2c2, spring bracket 2c2 pushes away slider 2b5 and automatically slides towards the outside under the effect of spring force, realize the locking function of the expansion process of pivot, of course spring 2c3 also can be other elastic mechanism such as dish spring in locking mechanical system 2 c.

In this embodiment: the top of middle casing 1 still the symmetry is equipped with left side apron 11 and right side apron 12, and the left side apron 11 and the right side apron 12 cooperation terminal housing through the setting can effectively support the screen.

A mobile terminal comprises the U-shaped folding hinge applied to the mobile terminal, a left shell 3 and a right shell 4, wherein the left shell 3 is fixedly connected with a left rotating block 2a2 and a left cover plate 11, and the right shell 4 is fixedly connected with a right rotating block 2a3 and a right cover plate 12.

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 U-shaped 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 locking of a terminal shell, wherein the two linkage modules (2) are respectively positioned at two ends of a middle shell (1) and are fixed with corresponding mounting positions;

the linkage module (2) is composed of a virtual shaft connecting mechanism (2a), a synchronous rotating mechanism (2b) and a locking mechanism (2 c).

2. The U-shaped folding hinge for mobile terminal as claimed in claim 1, wherein: virtual shaft coupling mechanism (2a) is including being located two slide rail seats (2a1) of middle casing (1) end inboard, and two slide rail seats (2a1) all are through screw and the installation position fixed connection that corresponds, and two slide rail seats (2a1) have left rotatory piece (2a2) and right rotatory piece (2a3) through the slide that is equipped with sliding connection respectively.

3. The U-shaped folding hinge for mobile terminal as claimed in claim 2, wherein: synchronous slewing mechanism (2b) includes two intermeshing's intermediate gear (2b1), two intermediate gear (2b1) are located between the end of two slide rail seat (2a1), and intermediate gear (2b1) rotate through the connecting axle and the axle hole that slide rail seat (2a1) end was opened and are connected, the outside of two intermediate gear (2b1) all meshes and is connected with gear arm (2b3), the one end of two gear arms (2b3) is passed through gear arm connecting axle (2b2) and is connected with the corresponding shaft hole of opening of slide rail seat (2a1) end and rotate, the other end of gear arm (2b3) is connected with slider (2b5) through wheel arm connecting axle (2b 4).

4. The U-shaped folding hinge applied to the mobile terminal of claim 3, wherein: two slider (2b5) are through the slide that is equipped with the spout sliding connection that corresponds left rotatory piece (2a2) and right rotatory piece (2a3) bottom and be equipped with, just the both sides of slider (2b5) all are equipped with the slider boss.

5. The U-shaped folding hinge for mobile terminal as claimed in claim 2, wherein: locking mechanical system (2c) include two sets of respectively fixed mounting in spring holder (2c1) of left rotatory piece (2a2) and right rotatory piece (2a3) bottom, spring holder (2c2) are all installed to the inside of every spring holder (2c1), the outside of spring holder (2c1) is arranged in to the arch that spring holder (2c2) one end was equipped with, spring holder (2c2) other pot head is equipped with and arranges spring (2c3) inside spring holder (2c 1).

6. The U-shaped folding hinge for mobile terminal as claimed in claim 2, wherein: the top of the middle shell (1) is also symmetrically provided with a left cover plate (11) and a right cover plate (12).

7. A mobile terminal comprising the U-shaped folding hinge applied to the mobile terminal of any one of claims 1 to 6, further comprising a left housing (3) and a right housing (4), wherein the left housing (3) is fixedly connected with the left rotating block (2a2) and the left cover plate (11), and the right housing (4) is fixedly connected with the right rotating block (2a3) and the right cover plate (12).