CN217544065U

CN217544065U - Internal folding flexible screen rotating shaft mechanism

Info

Publication number: CN217544065U
Application number: CN202123261397.4U
Authority: CN
Inventors: 陳威仲; 万鹏程; 董小慧
Original assignee: Kunshan Kersen Science and Technology Co Ltd
Current assignee: Kunshan Kersen Science and Technology Co Ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-10-04
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a flexible screen pivot mechanism of infolding formula, its 2 pivot units are that the axisymmetric interval sets up and connect through well door plant between its respective supporting seat, and the pivot unit includes: the supporting seat with set up respectively in first swinging boom, the second swinging boom of supporting seat both sides, first swinging boom, the respective one end of second swinging boom rotationally install on the supporting seat, its respective other end extends to the direction of keeping away from the supporting seat, first swinging boom, second swinging boom all further include: the lower surface of the movable part is an arc-shaped surface, and the supporting seat is provided with an arc-shaped groove in sliding fit with the movable part. The utility model discloses can effectively avoid flexible screen to produce the crease or lead to the condition that local performance became invalid at folding in-process repeatedly for a long time.

Description

Internal folding flexible screen rotating shaft mechanism

Technical Field

The utility model relates to a flexible screen pivot mechanism of infolding formula belongs to electronic product technical field.

Background

With the development of science and technology, users have higher requirements for the use of electronic products, which leads to more and more diversified functions of the electronic products, and many new forms of electronic products are produced, such as a foldable flexible screen mobile phone, which generally includes a left housing and a right housing, wherein the left housing and the right housing are connected together by a rotating shaft assembly, a flexible screen is covered on the left housing and the right housing, and the left housing and the right housing are relatively rotated by the rotating shaft assembly to fold the left housing and the right housing when in use. The middle part of the screen body of the current flexible screen can be folded in an arc shape when the screen is closed, so that the screen is easy to crease after being used for a long time, the appearance is attractive, and the screen can be damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an interior flexible screen pivot mechanism of folding formula, this interior flexible screen pivot mechanism of folding formula expand and carry out the basis that well supported to the flexible screen at the fixed point that realizes 0 ~180 on, effectively avoid the flexible screen to produce the crease or lead to the condition that the local performance became invalid at folding in-process repeatedly for a long time.

In order to achieve the above purpose, the utility model adopts the technical scheme that: an in-folded flexible screen pivot mechanism, comprising: pivot unit and well door plant, 2 the pivot unit is axisymmetric interval setting and passes through between its respective supporting seat well door plant is connected, the pivot unit includes: the supporting seat, a first rotating arm and a second rotating arm are respectively arranged on two sides of the supporting seat, one end of each of the first rotating arm and the second rotating arm is rotatably arranged on the supporting seat, and the other end of each of the first rotating arm and the second rotating arm extends in a direction far away from the supporting seat;

the first rotating arm and the first connecting rod gear which are positioned on the same side of the supporting seat are arranged in parallel at intervals and are connected through a first movable block, the second rotating arm and the second connecting rod gear which are positioned on the other side of the supporting seat are arranged in parallel at intervals and are connected through a second movable block, the first movable block and the second movable block are correspondingly and rotatably connected with the first rotating arm and the second rotating arm and are in sliding fit with the first connecting rod gear and the second connecting rod gear, the gear ends of the first connecting rod gear and the second connecting rod gear are in transmission connection through at least two gears which are meshed with each other, and a damping module is arranged on the outer side of one end of each gear;

a first door plate is arranged between the respective first rotating arms of the 2 rotating shaft units and connected with each other, a second door plate is arranged between the respective second rotating arms of the rotating shaft units, the lower surfaces of the first door plate and the second door plate are respectively provided with 2 connecting blocks with strip-shaped holes and 2 arc-shaped sliding blocks, the obliquely arranged strip-shaped holes are connected with the middle parts of the corresponding first rotating arms or the corresponding second rotating arms through a stop pin, and the arc-shaped sliding blocks are in sliding fit with arc-shaped sliding grooves correspondingly formed in the first movable blocks or the second movable blocks;

the first rotating arm and the second rotating arm further comprise: with supporting seat normal running fit's movable part, the connecting rod portion and the connection of being connected with first movable block, second movable block the transition portion of movable part and connecting rod portion, the lower surface of movable part is the arcwall face, it has the arc recess with movable part sliding fit to open on the supporting seat, when first swinging boom, second swinging boom are in the exhibition flat state, the movable part embedding in the arc recess, when first swinging boom, second swinging boom are in fold condition, the movable part is carried on the back in the edge of connecting rod portion one end and the edge overlap joint that the arc recess is close to connecting rod portion one end.

The further improved scheme in the technical scheme is as follows:

1. in the above scheme, the upper surface of the movable part is an arc-shaped surface, and an arc-shaped convex block matched with the upper surface of the movable part is formed on the supporting seat and positioned right above the arc-shaped groove, so that a sliding groove area for the movable part to be embedded into and slide is formed between the arc-shaped convex block and the arc-shaped groove in a surrounding mode.

2. In the above scheme, the first link gear and the second link gear are respectively mounted on the support base through a support shaft, at least two gear shafts for mounting the gears are arranged between 2 support shafts arranged in parallel, one end of each support shaft and one end of each gear shaft correspondingly penetrate through the gear ends of the first link gear and the second link gear and the gears and are embedded into the support base, and the other ends of the support shafts are connected through a buckle piece.

3. In the above scheme, the supporting seat outside is provided with an outer casing, back shaft, gear shaft and cramp all are located this outer casing.

4. In the above scheme, the first rotating arm and the second rotating arm are respectively connected with the corresponding first movable block and the second movable block through the pin shaft at the ends far away from the supporting seat.

5. In the above scheme, the first movable block and the second movable block are both provided with sliding chutes matched with the respective connecting rod ends of the first connecting rod gear and the second connecting rod gear.

6. In the above scheme, the upper surfaces of the first door panel and the second door panel are used for contacting with the lower surface of the flexible screen.

Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:

the utility model discloses flexible screen pivot mechanism of infolding formula is realizing 0 ~180 fixed point expansion and carrying out the basis that well supported to flexible screen, and it sets up respectively in the first swinging boom of supporting seat both sides, second swinging boom and all further includes: with supporting seat normal running fit's movable part, with first movable block, the connecting rod portion that the second movable block is connected and the transition portion of connecting movable part and connecting rod portion, the lower surface of movable part is the arcwall face, it has the arc recess with movable part sliding fit to open on the supporting seat, when first swinging boom, the second swinging boom is in the exhibition flat state, movable part embedding arc recess is interior, when first swinging boom, when the second swinging boom is in fold condition, the edge that movable part back on the back of the body in connecting rod portion one end is close to the edge overlap joint of connecting rod portion one end with the arc recess, the movable part of swinging boom slides to the outside along the arc recess in the pivoted, can be under the condition that does not increase structure thickness, increase the space that encloses under the fold condition, can provide bigger accommodation space for the flexible screen equipment that adopts this patent pivot mechanism, thereby effectively avoid the flexible screen to produce or lead to the condition that the local performance became invalid at long-time folding in-time repeatedly, the life of extension equipment.

Drawings

Fig. 1 is a schematic view of the whole structure of the flexible screen rotating shaft mechanism of the utility model;

fig. 2 is an exploded schematic view of the rotating shaft mechanism of the inward-folding flexible screen of the present invention;

fig. 3 is a schematic view of a partial structure of the rotating shaft mechanism of the inward-folding flexible screen of the present invention;

FIG. 4 is a structural sectional view of the present invention in an expanded state;

fig. 5 is a structural sectional view of the present invention in a folded state.

In the drawings above: 1. a supporting base; 2. a first rotating arm; 3. a second rotating arm; 4. a first link gear; 41. a gear end; 42. a connecting rod end; 5. a second link gear; 51. a gear end; 52. a connecting rod end; 6. a first movable block; 61. a chute; 7. a second movable block; 71. a chute; 8. a gear; 9. a damping module; 10. a support shaft; 11. a gear shaft; 12. buckling pieces; 13. an outer housing; 14. a movable portion; 15. a link section; 16. a transition section; 17. an arc-shaped groove; 18. an arc-shaped bump; 19. a middle door panel; 27. a first door panel; 28. a second door panel; 29. a strip-shaped hole; 30. connecting blocks; 31. an arc-shaped sliding block; 32. a stop pin; 33. an arc chute.

Detailed Description

Example 1: an in-folded flexible screen pivot mechanism, comprising: the pivot unit is in

central door plant

19,2 the pivot unit is axisymmetric interval setting and passes through between its respective supporting seat 1 through well door plant 19 connects, the pivot unit includes: the supporting seat comprises a supporting seat 1, and a first rotating arm 2 and a second rotating arm 3 which are respectively arranged at two sides of the supporting seat 1, wherein one end of each of the first rotating arm 2 and the second rotating arm 3 is rotatably arranged on the supporting seat 1, and the other end of each of the first rotating arm 2 and the second rotating arm 3 extends in a direction far away from the supporting seat 1;

the first rotating arm 2 and the first connecting rod gear 4 which are positioned on the same side of the supporting seat 1 are arranged in parallel at intervals and are connected through a first movable block 6, the second rotating arm 3 and the second connecting rod gear 5 which are positioned on the other side of the supporting seat 1 are arranged in parallel at intervals and are connected through a second movable block 7, the first movable block 6 and the second movable block 7 are correspondingly and rotatably connected with the first rotating arm 2 and the second rotating arm 3 and are in sliding fit with the first connecting rod gear 4 and the second connecting rod gear 5, the gear ends 41 and 51 of the first connecting rod gear 4 and the second connecting rod gear 5 are in transmission connection through at least two gears 8 which are meshed with each other, and the damping module 9 is arranged outside one end of each gear 8;

a first door panel 27 is installed between the respective first rotating arms 2 of the 2 rotating shaft units for connection, a second door panel 28 is installed between the respective second rotating arms 3 of the rotating shaft units, the respective lower surfaces of the first door panel 27 and the second door panel 28 are respectively provided with 2 connecting blocks 30 with strip-shaped

holes

29 and 2 arc-shaped sliding blocks 31, the obliquely arranged strip-shaped holes 29 are connected with the middle parts of the corresponding first rotating arms 2 or the corresponding second rotating arms 3 through stop pins 32, and the arc-shaped sliding blocks 31 are in sliding fit with arc-shaped sliding chutes 33 correspondingly arranged on the first movable blocks 6 or the second movable blocks 7;

the first rotating arm 2 and the second rotating arm 3 each further include: with supporting seat 1 normal running fit's movable part 14, the connecting rod portion 15 and the connection of being connected with first movable block 6, second movable block 7 the transition portion 16 of movable part 14 and connecting rod portion 15, the lower surface of movable part 14 is the arcwall face, it has the arc recess 17 with 14 sliding fit of movable part to open on the supporting seat 1, when first swinging boom 2, second swinging boom 3 are in the flattening state, the movable part 14 imbeds in the arc recess 17, when first swinging boom 2, second swinging boom 3 are in fold condition, the movable part 14 is carried on the back in the edge of connecting rod portion 15 one end and the edge overlap joint that arc recess 17 is close to connecting rod portion 15 one end.

The upper surface of the movable part 14 is an arc surface, an arc-shaped convex block 18 matched with the upper surface of the movable part 14 is formed on the support seat 1 and positioned right above the arc-shaped groove 17, so that a sliding groove area for the movable part 14 to be embedded and slide is defined between the arc-shaped convex block 18 and the arc-shaped groove 17; the upper surfaces of the first and

second door panels

27 and 28 are adapted to contact the lower surface of the flexible screen.

The first link gear 4 and the second link gear 5 are respectively mounted on the support base 1 through a support shaft 10, at least two gear shafts 11 for mounting the gear 8 are arranged between 2 parallel support shafts 10, one end of each of the support shafts 10 and the gear shafts 11 correspondingly penetrates through the gear ends 41 and 51 of the first link gear 4 and the second link gear 5 and the gear 8 and is embedded in the support base 1, and the other end is connected through a buckle piece 12.

An outer shell 13 is disposed outside the supporting base 1, and the supporting shaft 10, the gear shaft 11 and the cramp 12 are all disposed in the outer shell 13.

The first movable block 6 and the second movable block 7 are respectively provided with sliding

grooves

61 and 71 which are matched with the connecting rod ends 42 and 52 of the first connecting rod gear 4 and the second connecting rod gear 5.

Example 2: an in-folded flexible screen pivot mechanism, comprising: the pivot unit is in

central door plant

19,2 the pivot unit is axisymmetric interval setting and passes through between its respective supporting seat 1 through well door plant 19 connects, the pivot unit includes: the device comprises a supporting seat 1, and a first rotating arm 2 and a second rotating arm 3 which are respectively arranged on two sides of the supporting seat 1, wherein one end of each of the first rotating arm 2 and the second rotating arm 3 is rotatably arranged on the supporting seat 1, and the other end of each of the first rotating arm 2 and the second rotating arm 3 extends towards the direction far away from the supporting seat 1;

the first rotating arm 2 and the first connecting rod gear 4 which are positioned on the same side of the supporting seat 1 are arranged in parallel at intervals and are connected through a first movable block 6, the second rotating arm 3 and the second connecting rod gear 5 which are positioned on the other side of the supporting seat 1 are arranged in parallel at intervals and are connected through a second movable block 7, the first movable block 6 and the second movable block 7 are correspondingly and rotatably connected with the first rotating arm 2 and the second rotating arm 3 and are in sliding fit with the first connecting rod gear 4 and the second connecting rod gear 5, the respective gear ends 41 and 51 of the first connecting rod gear 4 and the second connecting rod gear 5 are in transmission connection through at least two gears 8 which are meshed with each other, and the damping module 9 is arranged outside one end of each gear 8;

holes

the first rotating arm 2 and the second rotating arm 3 each further include: with supporting seat 1 normal running fit's movable part 14, the connecting rod portion 15 and the connection of being connected with first movable block 6, second movable block 7 the transition portion 16 of movable part 14 and connecting rod portion 15, the lower surface of movable part 14 is the arcwall face, it has the arc recess 17 with 14 sliding fit of movable part to open on the supporting seat 1, when first swinging boom 2, second swinging boom 3 are in the exhibition flat state, the movable part 14 imbeds in the arc recess 17, when first swinging boom 2, second swinging boom 3 are in fold condition, movable part 14 is carried on the back in the edge of connecting rod portion 15 one end and the edge overlap joint that arc recess 17 is close to connecting rod portion 15 one end.

The upper surface of the movable part 14 is an arc surface, and an arc-shaped projection 18 matched with the upper surface of the movable part 14 is formed on the support seat 1 and located right above the arc-shaped groove 17, so that a sliding groove area for the movable part 14 to be embedded and slide is defined between the arc-shaped projection 18 and the arc-shaped groove 17.

The first rotating arm 2 and the second rotating arm 3 are respectively connected with the corresponding first movable block 6 and the second movable block 7 through pin shafts at one end far away from the supporting seat 1.

When adopting above-mentioned infolding formula flexible screen pivot mechanism, it is on realizing that 0 ~180 fixed point expandes and carry out the basis that well supported to the flexible screen, and it sets up respectively in first swinging boom, the second swinging boom of supporting seat both sides and all further includes: with supporting seat normal running fit's movable part, with first movable block, the connecting rod portion that the second movable block is connected and the transition portion of connecting movable part and connecting rod portion, the lower surface of movable part is the arcwall face, it has the arc recess with movable part sliding fit to open on the supporting seat, when first swinging boom, the second swinging boom is in the exhibition flat state, movable part embedding arc recess is interior, when first swinging boom, when the second swinging boom is in fold condition, the edge that movable part back on the back of the body in connecting rod portion one end is close to the edge overlap joint of connecting rod portion one end with the arc recess, the movable part of swinging boom slides to the outside along the arc recess in the pivoted, can be under the condition that does not increase structure thickness, increase the space that encloses under the fold condition, can provide bigger accommodation space for the flexible screen equipment that adopts this patent pivot mechanism, thereby effectively avoid the flexible screen to produce or lead to the condition that the local performance became invalid at long-time folding in-time repeatedly, the life of extension equipment.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. An in-folded flexible screen pivot mechanism, comprising: pivot unit and well door plant (19), 2 the pivot unit is axisymmetric interval setting and passes through between its respective supporting seat (1) well door plant (19) connect its characterized in that: the rotation shaft unit includes: the supporting seat comprises a supporting seat (1), and a first rotating arm (2) and a second rotating arm (3) which are respectively arranged on two sides of the supporting seat (1), wherein one end of each of the first rotating arm (2) and the second rotating arm (3) is rotatably arranged on the supporting seat (1), and the other end of each of the first rotating arm and the second rotating arm extends in a direction far away from the supporting seat (1);

the first rotating arm (2) positioned on the same side of the supporting seat (1) is arranged in parallel with the first connecting rod gear (4) at intervals and is connected with the first connecting rod gear (4) through a first movable block (6), the second rotating arm (3) positioned on the other side of the supporting seat (1) is arranged in parallel with the second connecting rod gear (5) at intervals and is connected with the second connecting rod gear (5) through a second movable block (7), the first movable block (6) and the second movable block (7) are correspondingly connected with the first rotating arm (2) and the second rotating arm (3) in a rotating mode and are in sliding fit with the first connecting rod gear (4) and the second connecting rod gear (5), the gear ends (41 and 51) of the first connecting rod gear (4) and the second connecting rod gear (5) are in transmission connection through at least two gears (8) meshed with each other, and a damping module (9) is arranged on the outer side of one end of each gear (8);

a first door panel (27) is installed between the respective first rotating arms (2) of the 2 rotating shaft units for connection, a second door panel (28) is installed between the respective second rotating arms (3), the respective lower surfaces of the first door panel (27) and the second door panel (28) are respectively provided with 2 connecting blocks (30) provided with strip-shaped holes (29) and 2 arc-shaped sliding blocks (31), the obliquely arranged strip-shaped holes (29) are connected with the middle parts of the corresponding first rotating arms (2) or second rotating arms (3) through stop pins (32), and the arc-shaped sliding blocks (31) are in sliding fit with arc-shaped sliding grooves (33) correspondingly arranged on the first movable blocks (6) or the second movable blocks (7);

the first rotating arm (2) and the second rotating arm (3) further comprise: connecting rod portion (15) and connection of being connected with supporting seat (1) normal running fit movable part (14), with first movable block (6), second movable block (7) movable part (14) and transition portion (16) of connecting rod portion (15), the lower surface of movable part (14) is the arcwall face, it has arc recess (17) with movable part (14) sliding fit to open on supporting seat (1), when first swinging boom (2), second swinging boom (3) are in the exhibition flat state, movable part (14) embedding in arc recess (17), when first swinging boom (2), second swinging boom (3) are in fold condition, movable part (14) carry on the back in the edge of connecting rod portion (15) one end and arc recess (17) are close to the edge overlap joint of connecting rod portion (15) one end.

2. The hinge mechanism of claim 1, wherein: the upper surface of activity portion (14) is the arcwall face, be formed with arc lug (18) that match with the upper surface of activity portion (14) on supporting seat (1) and be located arc recess (17) directly over to enclose between this arc lug (18) and arc recess (17) and become to supply activity portion (14) embedding gliding spout district.

3. The hinge mechanism of claim 1, wherein: first connecting rod gear (4), second connecting rod gear (5) are respectively installed on supporting seat (1) through a supporting shaft (10), 2 of parallel arrangement be provided with at least two gear shafts (11) that are used for installing gear (8) between supporting shaft (10), in supporting shaft (10), the respective one end of gear shaft (11) passed gear end (41, 51) and gear (8) of first connecting rod gear (4), second connecting rod gear (5) and embedding supporting seat (1) correspondingly, connect through a cramp (12) between its respective other end.

4. The hinge mechanism of claim 3, wherein: an outer shell (13) is arranged on the outer side of the supporting seat (1), and the supporting shaft (10), the gear shaft (11) and the buckle piece (12) are all located in the outer shell (13).

5. The hinge mechanism of claim 1, wherein: one end of each of the first rotating arm (2) and the second rotating arm (3) far away from the supporting seat (1) is connected with the corresponding first movable block (6) and the second movable block (7) through pin shafts.

6. The hinge mechanism of claim 1, wherein: and the first movable block (6) and the second movable block (7) are respectively provided with a sliding chute (61, 71) matched with the respective connecting rod ends (42, 52) of the first connecting rod gear (4) and the second connecting rod gear (5).

7. The hinge mechanism of claim 1, wherein: the upper surfaces of the first door panel (27) and the second door panel (28) are used for contacting with the lower surface of the flexible screen.