CN217159769U

CN217159769U - Be applied to flexible screen mobile terminal's motion

Info

Publication number: CN217159769U
Application number: CN202220286026.7U
Authority: CN
Inventors: 顾启翔; 张建南
Original assignee: Hangzhou Amphenol Phoenix Telecom Parts Co Ltd
Current assignee: Hangzhou Amphenol Phoenix Telecom Parts Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-08-09
Anticipated expiration: 2032-02-11

Abstract

The utility model provides a motion mechanism applied to a flexible screen mobile terminal, which comprises a left side connecting arm, a right side connecting arm and a fixed seat, wherein the left side connecting arm and the right side connecting arm are respectively and rotatably arranged on the fixed seat through a connecting structure; left side linking arm, right side linking arm all include casing connecting piece and rotor arm, casing connecting piece and rotor arm sliding connection and constitute flexible linking arm, its characterized in that sets up the slope structure in the sliding connection structure of casing connecting piece and rotor arm motion mechanism when opening towards the flat angle that corresponds flexible screen mobile terminal, the slope enters into gradually from the low point to the high point and connects in the cooperation, flexible linking arm rotates to folding angular position in-process from the flat angular position that corresponds flexible screen mobile terminal, the high point on slope withdraws from connecting the cooperation gradually. The utility model discloses can not only guarantee that sliding fit is smooth and easy but also solve the exhibition flat time axial shake the momentum big under normal tolerance cooperation.

Description

Be applied to flexible screen mobile terminal's motion

Technical Field

The utility model relates to a be applied to the motion of flexible screen mobile terminal such as cell-phone, especially relate to the motion of flexible screen mobile terminal of infolding.

Background

In the flexible screen mobile terminal folded inwards, the left shell, the right shell and the middle connecting support are connected through the motion mechanism, so that the flexible screen mobile terminal is unfolded and folded. The moving mechanism needs to provide rotating and sliding movement functions for the left shell and the right shell, and in the folding process, the rotating radius of the left shell and the rotating radius of the right shell are gradually enlarged, and in the flattening process, the rotating radius of the left shell and the rotating radius of the right shell are gradually reduced. When the axial dimension is relatively large, due to the accumulation of tolerance between the parts, either the sliding fit is stuck or the shaking amount is large when the flat is flattened.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a be applied to flexible screen mobile terminal's motion is provided, can both guarantee that sliding fit is smooth and easy and solve the exhibition flat time axial shake the momentum big under the normal tolerance cooperation. Therefore, the utility model adopts the following technical scheme:

a motion mechanism applied to a flexible screen mobile terminal comprises a left connecting arm, a right connecting arm and a fixed seat, wherein the left connecting arm and the right connecting arm are respectively and rotatably arranged on the fixed seat through connecting structures; left side linking arm, right side linking arm all include casing connecting piece and rotor arm, casing connecting piece and rotor arm sliding connection and constitute flexible linking arm, its characterized in that sets up the slope structure in the sliding connection structure of casing connecting piece and rotor arm motion mechanism when opening towards the flat angle that corresponds flexible screen mobile terminal, the slope enters into gradually from the low point to the high point and connects in the cooperation, flexible linking arm rotates to folding angular position in-process from the flat angular position that corresponds flexible screen mobile terminal, the high point on slope withdraws from connecting the cooperation gradually.

On the basis of adopting above-mentioned technical scheme, the utility model discloses still can adopt following further technical scheme, or to these further technical scheme combined use:

in the sliding connection structure, the casing connecting piece is provided with a sliding groove or a sliding block, the rotating arm is provided with a sliding block matched with the sliding groove or a sliding groove matched with the sliding block, and the slope is arranged on the sliding block or the sliding groove.

When the connecting and matching are carried out, the high point of the slope is in transition matching with the wall matched with the slope.

The shell connecting piece is provided with a sliding chute, and the rotating arm is provided with a sliding block matched with the sliding chute; the direction of the slope is such that the high point is close to the rotating connection end of the rotating arm and the low point is far away from the rotating connection end of the rotating arm.

When the telescopic connecting arm is located at the angle position corresponding to the folding of the flexible screen mobile terminal, the slope is out of connection fit; the high point of the ramp is near the root of the rotor arm.

The moving mechanism is further provided with a push-pull rotating arm, the push-pull rotating arm is connected with the fixed seat through a virtual circle center rotating connection structure, the virtual circle center rotating connection structure adopts an arc guide groove and an arc slider structure, the arc slider 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 formed by combining the upper part and the lower part; 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.

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.

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.

Due to the adoption of the technical scheme of the utility model, the exercise use requirement is met; meanwhile, in the flattening process, the slope bump structure gradually enters the chute, and the lateral clearance between the slope bump structure and the chute is gradually reduced until eliminated, so that the problem of shaking caused by the clearance of a sliding pair when the equipment is in a unfolded use state is solved, and a certain operation hand feeling is provided; in the folding process, the slope bump structure is gradually separated from the sliding groove, the gap is enlarged, and the sliding smoothness is not affected in the opening and closing process; the utility model discloses can not only guarantee that sliding fit is smooth and easy but also solve the exhibition flat time axial shake the momentum big under normal tolerance cooperation.

Drawings

Fig. 1 is the embodiment of the utility model provides a correspond flexible screen mobile terminal plan view at ordinary times.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is an enlarged view of a portion C in fig. 1.

Fig. 4 is an enlarged view of the ramp into engagement.

Fig. 5 is a schematic view of a rotating arm.

Fig. 6 is a top view of the swivel arm.

Fig. 7 and 8 are sectional views a-A, B-B in fig. 1, respectively.

Detailed Description

Referring to the drawings, the utility model provides a be applied to flexible screen mobile terminal's motion, including left side linking arm 101, right side linking arm 102 and fixing base 3, left side linking arm and right side are connected the rotor arm respectively with interior flexible screen mobile terminal's left side casing and right side casing fixed connection, and fixing base 3 is fixed in flexible screen mobile terminal's middle casing.

The left connecting arm 101 and the right connecting arm 102 are respectively and rotatably arranged on the fixed seat 3 through connecting structures; left side linking arm, right side linking arm all include casing connecting piece 12 and rotor arm 11,

casing connecting piece

12 and 11 sliding connection of rotor arm and constitute flexible linking arm, can set up on the casing connecting piece 12 and carry out fixed connection's position with the casing or with casing fixed connection's part, for example have combination plane and screw hole.

Set up slope structure 8 in the sliding connection structure of casing connecting piece and rotor arm motion when opening towards the flat angle that corresponds flexible screen mobile terminal, slope 8 enters into gradually from low point 81 to high point 82 and connects the cooperation, flexible connecting arm rotates to folding angle position in-process from the flat angle position that corresponds flexible screen mobile terminal, the high point 82 of slope 8 withdraws from gradually connecting the cooperation.

In the sliding connection structure, the housing connecting member 12 may be provided with a sliding groove 121, and the rotating arm 11 may be provided with a sliding block 111 engaged with the sliding groove 121, or the housing connecting member 12 may be provided with a sliding block and the rotating arm 11 may be provided with a sliding groove.

The ramp 8 can be arranged on the slide or on the wall of the runner, i.e. the ramp can be arranged on the housing connection 12 or on the swivel arm 11, which is achieved by merely reversing the direction of the ramp. From the manufacturing point of view, the arrangement on the sliding block is more convenient. When the ramp 8 is disposed on the rotating arm 11, the direction of the ramp 8 is such that the high point 82 is close to the rotating link end 110 of the rotating arm 11 and the low point 81 is far from the rotating link end 110 of the rotating arm, and further, the high point is close to the root of the rotating arm 11. When the telescopic connecting arm is located at the angle position corresponding to the folding of the flexible screen mobile terminal, the slope 8 exits from the connection fit, in this embodiment, the exit chute 121.

As shown, the high point 82 of the ramp 8 is in transition fit with the wall that it engages (e.g., the chute wall) and the chute mixing block itself is in clearance fit when the connection is engaged.

The utility model provides a be applied to flexible screen mobile terminal's motion still includes left side push-and-pull rotor arm 21 and right side push-and-pull rotor arm 22, and in flexible screen mobile terminal, left side push-and-pull rotor arm 21 and right side push-and-pull rotor arm 22 rotate with flexible screen mobile terminal's left side casing (or rather than fixed connection's part, for example above-mentioned casing connecting piece 12) and right side casing (or rather than fixed connection's part, for example above-mentioned casing connecting piece 12) and be connected.

The left push-pull rotating arm 21 and the right push-pull rotating arm 22 are respectively connected with the 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 side push-pull rotating arm 21 and the right side push-pull rotating arm 22 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 in the Z direction of the mobile terminal 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 the 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 groove when the upper part 41 and the lower part 42 are closed is smaller than the thickness of the arc sliding block 5, and after assembly, the groove walls 43 of the upper part 41 and the lower part 42 always clamp the arc sliding block 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 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.

It is to be understood that the terms "comprises" and "comprising," and any variations thereof, in the description and claims of the invention 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "the outside", "the inside", "the level", "the end", "the length", "the outer end", "the left", "the right", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not 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 connecting arm, a right connecting arm and a fixed seat, wherein the left connecting arm and the right connecting arm are respectively and rotatably arranged on the fixed seat through connecting structures; left side linking arm, right side linking arm all include casing connecting piece and rotor arm, casing connecting piece and rotor arm sliding connection and constitute flexible linking arm, its characterized in that sets up the slope structure in the sliding connection structure of casing connecting piece and rotor arm motion mechanism when opening towards the flat angle that corresponds flexible screen mobile terminal, the slope enters into gradually from the low point to the high point and connects in the cooperation, flexible linking arm rotates to folding angular position in-process from the flat angular position that corresponds flexible screen mobile terminal, the high point on slope withdraws from connecting the cooperation gradually.

2. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 1, wherein in the sliding connection structure, the housing connecting member is provided with a sliding slot or a sliding block, the rotating arm is provided with a sliding block engaged with the sliding slot or a sliding slot engaged with the sliding block, and the ramp is provided on the sliding block or the sliding slot.

3. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 1, wherein the high point of the slope is in transition fit with the wall matched with the high point when the connection is matched.

4. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 2, wherein the case connecting member is provided with a sliding slot, and the rotating arm is provided with a sliding block engaged with the sliding slot; the direction of the slope is such that the high point is close to the rotating connection end of the rotating arm and the low point is far away from the rotating connection end of the rotating arm.

5. The moving mechanism as claimed in claim 1, wherein the ramp is out of engagement when the retractable connecting arm is at an angular position corresponding to the folding of the flexible screen mobile terminal; the high point of the ramp is near the root of the rotor arm.

6. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 1, wherein the moving mechanism further comprises a push-pull rotating arm, the push-pull rotating arm is connected with the fixed base through a virtual circle center rotating connection structure, the virtual circle center rotating connection structure adopts a circular arc guide slot and a circular arc slider structure, the circular arc slider is arranged at the end of the rotating arm, the fixed base is provided with a bottom floating block, the circular arc guide slot is divided into an upper part and a lower part at the bottom of the slot, the upper part is arranged in the fixed base, the lower part is arranged on the bottom floating block, and the circular arc guide slot is formed by the upper part and the lower part; 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.

7. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 6, wherein 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.

8. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 6, wherein a lifting guide structure is disposed between the bottom floating block and the fixed base.

9. The moving mechanism applied to the flexible screen mobile terminal as claimed in claim 7, wherein a step is provided on the bottom surface of the bottom slider corresponding to the position where the screw is provided.

10. The moving mechanism applied to a flexible screen mobile terminal as claimed in claim 6, 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.