CN210087816U

CN210087816U - Four-connecting-rod double-shaft hinge and inward-folding flexible screen mobile terminal

Info

Publication number: CN210087816U
Application number: CN201821924670.2U
Authority: CN
Inventors: 曾平居; 方敬发
Original assignee: Hangzhou Amphenol Phoenix Telecom Parts Co Ltd
Current assignee: Hangzhou Amphenol Phoenix Telecom Parts Co Ltd
Priority date: 2018-11-21
Filing date: 2018-11-21
Publication date: 2020-02-18
Anticipated expiration: 2028-11-21

Abstract

The utility model provides a four connecting rod biax hinge and infolding flexible screen mobile terminal, including first, secondary shaft, first, second adapting unit, first, secondary shaft respectively with first, second adapting unit fixed connection, the hinge still is provided with third, fourth shaft, and first, secondary shaft and third, the parallel interval of fourth shaft set up, third, fourth shaft are connected and can rotate relatively respectively with first, second adapting unit respectively, connect first rotatable connecting rod between first, the secondary shaft, connect the rotatable connecting rod of second between third, the fourth shaft. The utility model discloses can work in from 0 closed to 180 expandes, and when 0 closed, can form between first second adapting unit and rotate the space that the connecting rod supported the formation by first second, when being applied to flexible screen mobile terminal of infolding, can be convenient for form the space that holds the flexible screen bending part of infolding, just the utility model discloses simple structure, atress are balanced to can provide the function of stall at any time fixing a position.

Description

Four-connecting-rod double-shaft hinge and inward-folding flexible screen mobile terminal

Technical Field

The utility model relates to a two-axis hinge of electronic product, electronic product can be mobile terminal, especially the flexible screen mobile terminal of infolding.

Background

Flexible screens are an emerging screen. For the mechanical structure of the flexible screen mobile terminal, what needs to be solved at present is how to support the flexible screen to adapt to the situation that the flexible screen needs a certain bending characteristic when the mobile terminal is folded, so that the flexible screen can be applied to the mobile terminal. At present, most hinge structures which are matched with the bending requirement of the flexible screen are complex.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that at first will solve provides a four connecting rod biax hinge, simple structure can be in the hinge of inboard interior flexible screen mobile terminal of rolling over as flexible screen. Therefore, the utility model adopts the following technical scheme:

the utility model provides a four connecting rod biax hinge, includes primary shaft and secondary shaft, first connecting part and second adapting unit, its characterized in that, primary shaft and secondary shaft respectively with first connecting part and second adapting unit fixed connection, the hinge still is provided with third axle, fourth axle, primary shaft and secondary shaft and the parallel interval setting of third axle and fourth axle, third axle and fourth axle are connected and can be respectively relative rotation with first connecting part and second adapting unit, connect first rotatable connecting rod between primary shaft and the secondary shaft, connect the rotatable connecting rod of second between third axle and the fourth axle.

Further, the first and second rotatable links are located on the left and right sides of the hinge, and the connection portion of the first connection member and the connection portion of the second connection member are located in the middle.

Furthermore, the first shaft and the first connecting part cannot rotate relatively, the second shaft and the second connecting part cannot rotate relatively, and the two ends of the first rotatable connecting rod are provided with the reed pipe structures to be respectively connected with the first shaft and the second shaft, so that a torsion structure is formed, and the function of stopping rotation at any time and positioning at any time is provided.

Further, the first shaft, the second shaft, the third shaft, and the fourth shaft are positioned so that the center axes thereof are in the same plane in one state, and the plane in which the center axes of the first shaft and the third shaft connected to the first connecting member are positioned and the plane in which the center axes of the second shaft and the fourth shaft connected to the second connecting member are positioned are parallel or nearly parallel to each other in another state.

Further, the first and second connecting parts are provided with a rotation angle limiting structure at the side where the first rotation link is located.

The utility model also provides an interior flexible screen mobile terminal of rolling over interior flexible screen mobile terminal adopts foretell four-bar linkage two-axis hinge as flexible screen left bearing structure, right bearing structure's connection hinge.

Because adopt the technical scheme of the utility model, the utility model discloses a two-axis hinge can work in from 0 closed to 180 expandes, and when 0 closure, can form the space that is supported the formation by first rotatable connecting rod and second rotation connecting rod between first adapting unit and second adapting unit, when being applied to interior book flexible screen mobile terminal, can be convenient for form the space that holds the crooked position of interior book flexible screen, just the utility model discloses simple structure, atress are balanced to can provide the function of stall at any time and fix a position.

Drawings

Fig. 1 is a schematic view of an angle view of an embodiment of the present invention.

Fig. 2 is a schematic view of another angle of the embodiment of the present invention.

Fig. 3 is an exploded view of an embodiment of the present invention.

Fig. 4 is a side view of an embodiment of the present invention with the hinge in a flattened state.

Fig. 5 is a side view of an embodiment of the present invention with the hinge in a closed position.

Detailed Description

Reference is made to the accompanying drawings. The utility model provides a four-bar double-shaft hinge, including the primary shaft 11 and secondary shaft 12, first adapting unit 100 and second adapting unit 200, the primary shaft 11 and secondary shaft 12 respectively with first adapting unit 100 and second adapting unit 200 fixed connection, wherein, primary shaft 11 and first adapting unit 100 fixed connection, secondary shaft 12 and second adapting unit 200 fixed connection. Shaft holes are respectively arranged at the connecting part 101 of the first connecting part 100 and the connecting part 201 of the second connecting part 200, the shaft holes are flat holes, the shaft also has a flat position at the connecting part, the first shaft 11 and the first connecting part 100 can not rotate relatively, and the second shaft 12 and the second connecting part 200 can not rotate relatively.

The hinge is further provided with a third shaft 13, a fourth shaft 14, a first shaft 11 and a second shaft 12 are arranged in parallel with the third shaft 13 and the fourth shaft 14 at intervals, the third shaft 13 and the fourth shaft 14 are respectively connected with the first connecting component 100 and the second connecting component 200 and can respectively rotate relatively, a connecting shaft hole in a connecting part 101 on the third shaft 13 and the first connecting component 100 is in clearance fit and can rotate relatively with the first connecting component 100, a connecting shaft hole in a connecting part 201 on the fourth shaft 14 and the second connecting component 200 is in clearance fit and can rotate relatively with the second connecting component 200, the first rotatable connecting rod 2 is connected between the first shaft 11 and the second shaft 12, and the second rotatable connecting rod 3 is connected between the third shaft 13 and the fourth shaft 14.

The first rotatable link 2 and the second rotatable link 3 are positioned at the left and right sides of the hinge, and the connection portion 101 of the first connection part and the connection portion 201 of the second connection part are positioned in the middle, so that a balanced four-bar linkage structure is formed, and the inclination of the motion process is prevented.

Preferably, the two ends of the first rotatable connecting rod 2 are provided with the

reed pipe structures

21 and 22, and are respectively connected with the first shaft 11 and the second shaft 12 through the

reed pipe structures

21 and 22 to form a torsion structure, so that the function of stopping rotation at any time and positioning at any time is provided, and the second rotatable connecting rod 3 is used as an auxiliary rotating mechanism. The torsion mechanism can also be arranged between other parts which rotate relatively.

The first shaft 11, the second shaft 12 and the third shaft 13, the fourth shaft 14 are positioned so that their central axes are in the same plane in a condition, as shown in fig. 4, in which the corresponding hinges and the applied folded-in flexible screen are in a 180 ° flattened condition. Moreover, the arrangement of the four

shafts

11, 12, 13, 14 also satisfies the condition that the plane of the central axes of the first shaft 11 and the third shaft 13 connected to the first connecting component 100 and the plane of the central axes of the second shaft 12 and the fourth shaft 14 connected to the second connecting component 200 are parallel or nearly parallel in another state, as shown in fig. 4, when the corresponding hinge and the applied invaginated flexible screen are in the folded closed state, the two links of the first rotatable link 2 and the second rotatable link 3 support the first connecting component 100 and the second connecting component 200 through the upper and lower two support points, and a gap 300 is formed between the first connecting component 100 and the second connecting component 200, so that when the movable terminal for the invaginated flexible screen is applied, a space for accommodating the bending part of the invaginated flexible screen can be conveniently formed.

The first connecting part 100 and the second connecting part 200 are provided with rotation angle

limiting structures

102 and 202 on the side where the first rotating connecting rod 2 is located so as to limit the hinge to be opened and closed in a rotation mode between 0 degrees and 180 degrees or to be opened and closed in a rotation mode within a specified other angle range, the rotation angle

limiting structures

102 and 202 can be limiting edges, gears and the like matched with the first rotating connecting rod 2, and the rotation angle limiting structures are designed on the side where the first rotating connecting rod 2 on the first connecting part 100 and the second connecting part 200 is located, so that dead points can be avoided in the movement process of the mechanism from 180 degrees to 0 degrees.

Being applied to flexible screen mobile terminal of infolding, four connecting rod biax hinges are as the connection hinge of flexible screen left side bearing structure, right bearing structure, wherein first connecting part 100 and second connecting part 200 respectively with left bearing structure and right bearing structure connect.

The above description is only for the specific embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any person skilled in the art is in the field of the present invention, and all the changes or modifications are covered in the protection scope of the present invention.

Claims

1. The utility model provides a four connecting rod biax hinge, includes primary shaft and secondary shaft, first connecting part and second adapting unit, its characterized in that, primary shaft and secondary shaft respectively with first connecting part and second adapting unit fixed connection, the hinge still is provided with third axle, fourth axle, primary shaft and secondary shaft and the parallel interval setting of third axle and fourth axle, third axle and fourth axle are connected and can be respectively relative rotation with first connecting part and second adapting unit, connect first rotatable connecting rod between primary shaft and the secondary shaft, connect the rotatable connecting rod of second between third axle and the fourth axle.

2. A four-link biaxial hinge as defined in claim 1, wherein said first rotatable link and said second rotatable link are located on the left and right sides of the hinge, and the connection portion of the first connecting member and the connection portion of the second connecting member are located in the middle.

3. The four-bar biaxial hinge according to claim 1, wherein said first shaft and said first connecting member are not rotatable relative to each other, said second shaft and said second connecting member are not rotatable relative to each other, and said first rotatable connecting bar has a spring tube structure at both ends thereof for connecting with said first shaft and said second shaft, respectively, to form a torsion structure, thereby providing a function of stopping rotation at any time and positioning at any time.

4. A four-bar biaxial hinge as defined in claim 1, wherein said first shaft, second shaft and third shaft and fourth shaft are positioned so that their central axes are in the same plane in one state and at an angle of parallel or nearly parallel to the plane in which the central axes of the first shaft and third shaft connected to the first connecting member and the plane in which the central axes of the second shaft and fourth shaft connected to the second connecting member are in the other state.

5. A four-bar biaxial hinge as defined in claim 1, wherein said first connecting part and said second connecting part are provided with a rotation angle restricting structure on the side where said first rotating link is located.

6. A folding-in flexible screen mobile terminal, characterized in that the folding-in flexible screen mobile terminal adopts the four-bar biaxial hinge of claim 1, 2, 3, 4 or 5 as the connecting hinge of the left and right support structures of the flexible screen.