CN216930060U

CN216930060U - Be applied to flexible screen mobile terminal's motion

Info

Publication number: CN216930060U
Application number: CN202122210341.XU
Authority: CN
Inventors: 张建南; 顾启翔
Original assignee: Anfano Feifeng Anji Communications Products Co ltd
Current assignee: Anfano Feifeng Anji Communications Products Co ltd
Priority date: 2021-09-13
Filing date: 2021-09-13
Publication date: 2022-07-08
Anticipated expiration: 2031-09-13
Also published as: WO2023035944A1

Abstract

The utility model provides a movement mechanism applied to a flexible screen mobile terminal, which comprises a left rotating arm, a right rotating arm and a fixed seat, wherein the left rotating arm and the right rotating arm are respectively connected with a virtual circle center rotating connection structure, the virtual circle center rotating connection structure adopts an arc guide groove and an arc slide block structure, the arc slide block is arranged at the end part of the rotating arm, the fixed seat is provided with a bottom floating block, the arc guide groove is divided into an upper part and a lower part at the bottom of the groove, the upper part is arranged in the fixed seat, the lower part is arranged on the bottom floating block, and the arc guide groove is synthesized by the upper part and the lower part; the bottom slider and the anchor are resiliently coupled in a direction perpendicular to a reference plane. The utility model not only ensures that the arc guide rail and the arc slide block can be attached and slide without gaps, but also can properly retract to prevent the clamping caused by over-small gaps, thereby ensuring the space, eliminating the Z-direction shaking amount and solving the problems of shaking and clamping caused by tolerance accumulation.

Description

Be applied to flexible screen mobile terminal's motion

Technical Field

The utility model relates to a motion mechanism applied to a flexible screen mobile terminal such as a mobile phone.

Background

In order to realize the thin design of the mobile terminal, the rotating arms on the left side and the right side of the mobile terminal are connected with the middle fixing seat by adopting a virtual circle center rotating connection structure under many conditions. The virtual circle center rotating connection structure adopts a circular arc guide rail and a circular arc slide block structure, the circular arc slide block is arranged at the end part of the rotating arm, the circular arc guide rail is arranged in the fixed seat and is fixed and locked by screws for assembly, and the clearance between the circular arc guide rail and the circular arc slide block is larger or smaller due to the accumulation of machining and assembly tolerance, so that the sliding fit between the circular arc slide block and the circular arc guide rail is blocked or the shaking amount is large.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a moving mechanism applied to a flexible screen mobile terminal, which is convenient to mount and can ensure that an arc guide rail and an arc sliding block are uniformly matched without being influenced by the size of machining and assembling tolerance for the moving mechanism adopting a virtual circle center rotating connection structure. Therefore, the utility model adopts the following technical scheme:

a motion mechanism applied to a flexible screen mobile terminal comprises a left rotating arm, a right rotating arm and a fixed seat, wherein the left rotating arm and the right rotating arm are respectively connected with a virtual circle center rotating connection structure which adopts an arc guide groove and an arc slider structure, and the arc slider is arranged at the end part of the rotating arm; the bottom floating block and the fixed seat are elastically connected in a direction perpendicular to a reference plane, and the reference plane is a flexible screen surface of the flexible screen mobile terminal during flattening.

On the basis of the technical scheme, the utility model can also adopt the following further technical schemes or combine the further technical schemes for use:

the elastic connection comprises the following structure: the bottom floating block is connected with the fixed seat through a screw, the bottom floating block is provided with a unthreaded hole matched with the screw, and a spring washer is arranged between the bottom surface of the bottom floating block and the head of the screw.

And a lifting guide structure is arranged between the bottom floating block and the fixed seat.

The lifting guide structure comprises a guide column arranged on the bottom floating block and a guide hole arranged on the fixed seat.

And a step is arranged at the position where the screw is correspondingly arranged on the bottom surface of the bottom floating block.

The width of the corresponding groove is smaller than the thickness of the arc sliding block when the upper part and the lower part are closed.

The circle center of the arc guide groove is positioned above the top surface of the fixed seat.

The fixing seat is arranged at a position fixedly connected with the middle shell of the flexible screen mobile terminal.

By adopting the technical scheme of the utility model, the arc guide rail and the arc sliding block can be attached and slide without a gap through elastic connection in the Z direction, and can also be properly retracted to prevent jamming caused by too small gap, thereby ensuring space, eliminating Z-direction shaking amount and solving the shaking and jamming problems caused by tolerance accumulation.

Drawings

Fig. 1 is a top view of a flexible screen mobile terminal according to an embodiment of the present invention when the flexible screen mobile terminal is unfolded.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is a sectional view B-B of fig. 1.

Fig. 4 is an exploded view of fig. 1.

Detailed Description

Referring to the accompanying drawings, the movement mechanism applied to the flexible screen mobile terminal provided by the utility model comprises a left rotating arm 1, a right rotating arm 2 and a fixed seat 3, wherein in the flexible screen mobile terminal, the left rotating arm 1 and the right rotating arm 2 are respectively connected with a left shell and a right shell of the flexible screen mobile terminal, and the fixed seat 3 is fixed in a middle shell of the flexible screen mobile terminal.

The left rotating arm 1 and the right rotating arm 2 are respectively connected with a virtual circle center rotating connection structure. The virtual circle center rotating connection structure comprises an arc guide groove and an arc slide block 5, the arc guide groove is connected with the arc slide block 5 in a sliding mode, the fixed seat 3 is provided with a bottom floating block 6, the end parts of the left rotating arm 1 and the right rotating arm 2 are respectively provided with the arc slide block 5, the arc guide groove is divided into an upper part 41 and a lower part 42 at the bottom of the groove, the lower part 42 is arranged on the bottom floating block 6, the upper part 41 is arranged in the fixed seat 3, and the arc guide groove is formed by combining the upper part 41 and the lower part 42; the bottom floating block 6 and the fixed seat 3 are elastically connected in the direction perpendicular to the reference plane, so that the bottom floating block 6 has the floating characteristic, the final width of the arc guide groove can be adaptively adjusted according to the thickness of the arc sliding block, and the problems of shaking and blockage caused by tolerance accumulation are solved. The reference plane is a flexible screen surface of the flexible screen mobile terminal during flattening. The circle center of the arc guide groove is positioned above the top surface of the fixed seat 3.

The elastic connection comprises the following structure: the bottom floating block 6 is connected with the fixed seat 3 through a screw 7, the bottom floating block 6 is provided with a light hole 61 matched with the screw 7, and a spring washer 8 is arranged between the bottom surface of the bottom floating block 6 and a head 70 of the screw 7. The bottom surface of the bottom slider 6 is provided with a step 62 corresponding to the position where the screw 7 is arranged, for accommodating the spring washer 8 and the head 70 of the screw 7.

And a lifting guide structure is arranged between the bottom floating block 6 and the fixed seat 3. The lifting guide structure comprises a guide column 63 arranged at the lower part of the bottom floating block 6 and a guide hole 30 arranged on the fixed seat 3.

The width of the corresponding guide slot when the upper part 41 and the lower part 42 are closed is smaller than the thickness of the circular arc slider 5, and after assembly, the slot walls 43 of the upper part 41 and the lower part 42 always clamp the circular arc slider 5 by the elastic force provided by the spring washer 8.

The fixing base 3 is provided with a part (such as a screw hole 9) fixedly connected with the middle shell of the flexible screen mobile terminal, that is, the fixing base 3 is fixedly connected with the middle shell.

The above description is only an embodiment of the present invention, but the structural features of the present invention are not limited thereto, and any changes or modifications within the scope of the present invention by those skilled in the art are covered by the present invention.

It is to be understood that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the utility model and the above-described drawings are intended to cover non-exclusive inclusions. The terms "mounted," "disposed," "provided," "connected," and "sleeved" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or an electrical connection; may be directly connected, or indirectly connected through intervening media, or may be in internal communication between two devices, elements or components. The specific meanings of the above terms in the present invention can be understood by those of ordinary skill in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "inside", "horizontal", "end", "length", "outer end", "left", "right", and the like indicate orientations or positional relationships based on those shown in the drawings, only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, are not to be construed as limiting the present invention. The terms "first" and "second" are also used for brevity of description only and do not indicate or imply relative importance.

Claims

1. A motion mechanism applied to a flexible screen mobile terminal comprises a left rotating arm, a right rotating arm and a fixed seat, wherein the left rotating arm and the right rotating arm are respectively connected with a virtual circle center rotating connection structure which adopts an arc guide groove and an arc slider structure, and the arc slider is arranged at the end part of the rotating arm; the bottom floating block and the fixed seat are elastically connected in a direction perpendicular to a reference plane, and the reference plane is a flexible screen surface of the flexible screen mobile terminal during flattening.

2. A motion mechanism applied to a flexible screen mobile terminal according to claim 1, wherein said elastic connection comprises the following structure: the bottom floating block is connected with the fixed seat through a screw, the bottom floating block is provided with a unthreaded hole matched with the screw, and a spring washer is arranged between the bottom surface of the bottom floating block and the head of the screw.

3. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 1, wherein a lifting guide structure is disposed between the bottom floating block and the fixed base.

4. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 3, wherein the lifting guide structure comprises a guide post provided on the bottom slider and a guide hole provided on the fixing base.

5. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 2, wherein the bottom surface of the bottom slider is provided with a step corresponding to the position where the screw is provided.

6. The moving mechanism applied to a flexible screen mobile terminal as claimed in claim 1, wherein the width of the corresponding slot when the upper and lower portions are closed is smaller than the thickness of the circular arc slider.

7. The moving mechanism as claimed in claim 1, wherein the center of the arc-shaped guiding slot is located above the top surface of the fixing base.

8. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 1, wherein the fixing base is provided at a portion fixedly connected to the middle housing of the flexible screen mobile terminal.